Reimplement most of the asynchronous handling

This also involves a major split of the authentication code, which allows
the fingerprint and password logins to use the same code.

.github/ISSUE_TEMPLATE/bug.yml

@@ -0,0 +1,54 @@
+name: Bug report
+description: File a bug report.
+title: "[Bug] "
+labels: ["bug"]
+body:
+  - type: checkboxes
+    id: prerequisites
+    attributes:
+      label: Pre-requisites
+      description: By submitting this issue, you agree to have done the following.
+      options:
+        - label: I have looked for any other duplicate issues
+          required: true
+  - type: input
+    id: version
+    attributes:
+      label: Ly version
+      description: The output of `ly --version`
+      placeholder: 1.1.0-dev.12+2b0301c
+    validations:
+      required: true
+  - type: textarea
+    id: observed
+    attributes:
+      label: Observed behavior
+      description: What happened?
+    validations:
+      required: true
+  - type: textarea
+    id: expected
+    attributes:
+      label: Expected behavior
+      description: What did you expect to happen instead?
+    validations:
+      required: true
+  - type: textarea
+    id: reproduction
+    attributes:
+      label: Steps to reproduce
+      description: What **exactly** can someone else do in order to observe the problem you observed?
+      placeholder: |
+        1. Authenticate with ...
+        2. Go to ...
+        3. Create file ...
+        4. Log out and log back in
+        5. Observe error
+    validations:
+      required: true
+  - type: textarea
+    id: logs
+    attributes:
+      label: Relevant logs
+      description: Please copy and paste any relevant logs, error messages or any other output. This will be automatically formatted into code, so no need for backticks. Screenshots are accepted if they make life easier for you.
+      render: shell

.github/ISSUE_TEMPLATE/feature.yml

@@ -0,0 +1,22 @@
+name: Feature request
+description: Request a new feature or enhancement.
+title: "[Feature] "
+labels: ["feature"]
+body:
+  - type: checkboxes
+    id: prerequisites
+    attributes:
+      label: Pre-requisites
+      description: By submitting this issue, you agree to have done the following.
+      options:
+        - label: I have looked for any other duplicate issues
+          required: true
+        - label: I have confirmed the requested feature doesn't exist in the latest version in development
+          required: true
+  - type: textarea
+    id: wanted
+    attributes:
+      label: Wanted behavior
+      description: What do you want to be added? Describe the behavior clearly.
+    validations:
+      required: true

.gitignore

@@ -1,3 +1,5 @@
-bin
-obj
+.idea/
+zig-cache/
+zig-out/
 valgrind.log
+.zig-cache

.gitmodules

@@ -1,12 +0,0 @@
-[submodule "sub/argoat"]
-	path = sub/argoat
-	url = https://github.com/nullgemm/argoat.git
-[submodule "sub/configator"]
-	path = sub/configator
-	url = https://github.com/nullgemm/configator.git
-[submodule "sub/dragonfail"]
-	path = sub/dragonfail
-	url = https://github.com/nullgemm/dragonfail.git
-[submodule "sub/termbox_next"]
-	path = sub/termbox_next
-	url = https://github.com/nullgemm/termbox_next.git

build.zig

@@ -0,0 +1,476 @@
+const std = @import("std");
+const builtin = @import("builtin");
+
+const PatchMap = std.StringHashMap([]const u8);
+
+const min_zig_string = "0.12.0";
+const current_zig = builtin.zig_version;
+
+// Implementing zig version detection through compile time
+comptime {
+    const min_zig = std.SemanticVersion.parse(min_zig_string) catch unreachable;
+    if (current_zig.order(min_zig) == .lt) {
+        @compileError(std.fmt.comptimePrint("Your Zig version v{} does not meet the minimum build requirement of v{}", .{ current_zig, min_zig }));
+    }
+}
+
+const ly_version = std.SemanticVersion{ .major = 1, .minor = 1, .patch = 0 };
+
+var dest_directory: []const u8 = undefined;
+var config_directory: []const u8 = undefined;
+var prefix_directory: []const u8 = undefined;
+var executable_name: []const u8 = undefined;
+var default_tty_str: []const u8 = undefined;
+
+const ProgressNode = if (current_zig.minor == 12) *std.Progress.Node else std.Progress.Node;
+
+pub fn build(b: *std.Build) !void {
+    dest_directory = b.option([]const u8, "dest_directory", "Specify a destination directory for installation") orelse "";
+    config_directory = b.option([]const u8, "config_directory", "Specify a default config directory (default is /etc). This path gets embedded into the binary") orelse "/etc";
+    prefix_directory = b.option([]const u8, "prefix_directory", "Specify a default prefix directory (default is /usr)") orelse "/usr";
+    executable_name = b.option([]const u8, "name", "Specify installed executable file name (default is ly)") orelse "ly";
+
+    const bin_directory = try b.allocator.dupe(u8, config_directory);
+    config_directory = try std.fs.path.join(b.allocator, &[_][]const u8{ dest_directory, config_directory });
+
+    const build_options = b.addOptions();
+    const version_str = try getVersionStr(b, "ly", ly_version);
+    const enable_x11_support = b.option(bool, "enable_x11_support", "Enable X11 support (default is on)") orelse true;
+    const default_tty = b.option(u8, "default_tty", "Set the TTY (default is 2)") orelse 2;
+
+    default_tty_str = try std.fmt.allocPrint(b.allocator, "{d}", .{default_tty});
+
+    build_options.addOption([]const u8, "config_directory", bin_directory);
+    build_options.addOption([]const u8, "prefix_directory", prefix_directory);
+    build_options.addOption([]const u8, "version", version_str);
+    build_options.addOption(u8, "tty", default_tty);
+    build_options.addOption(bool, "enable_x11_support", enable_x11_support);
+
+    const target = b.standardTargetOptions(.{});
+    const optimize = b.standardOptimizeOption(.{});
+
+    const exe = b.addExecutable(.{
+        .name = "ly",
+        .root_source_file = b.path("src/main.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+
+    const zigini = b.dependency("zigini", .{ .target = target, .optimize = optimize });
+    exe.root_module.addImport("zigini", zigini.module("zigini"));
+
+    exe.root_module.addOptions("build_options", build_options);
+
+    const clap = b.dependency("clap", .{ .target = target, .optimize = optimize });
+    exe.root_module.addImport("clap", clap.module("clap"));
+
+    exe.addIncludePath(b.path("include"));
+    exe.linkSystemLibrary("pam");
+    if (enable_x11_support) exe.linkSystemLibrary("xcb");
+    exe.linkLibC();
+
+    const translate_c = b.addTranslateC(.{
+        .root_source_file = b.path("include/termbox2.h"),
+        .target = target,
+        .optimize = optimize,
+    });
+    translate_c.defineCMacroRaw("TB_IMPL");
+    const termbox2 = translate_c.addModule("termbox2");
+    exe.root_module.addImport("termbox2", termbox2);
+
+    b.installArtifact(exe);
+
+    const run_cmd = b.addRunArtifact(exe);
+
+    run_cmd.step.dependOn(b.getInstallStep());
+
+    if (b.args) |args| run_cmd.addArgs(args);
+
+    const run_step = b.step("run", "Run the app");
+    run_step.dependOn(&run_cmd.step);
+
+    const installexe_step = b.step("installexe", "Install Ly");
+    installexe_step.makeFn = ExeInstaller(true).make;
+    installexe_step.dependOn(b.getInstallStep());
+
+    const installnoconf_step = b.step("installnoconf", "Install Ly without its configuration file");
+    installnoconf_step.makeFn = ExeInstaller(false).make;
+    installnoconf_step.dependOn(b.getInstallStep());
+
+    const installsystemd_step = b.step("installsystemd", "Install the Ly systemd service");
+    installsystemd_step.makeFn = ServiceInstaller(.Systemd).make;
+    installsystemd_step.dependOn(installexe_step);
+
+    const installopenrc_step = b.step("installopenrc", "Install the Ly openrc service");
+    installopenrc_step.makeFn = ServiceInstaller(.Openrc).make;
+    installopenrc_step.dependOn(installexe_step);
+
+    const installrunit_step = b.step("installrunit", "Install the Ly runit service");
+    installrunit_step.makeFn = ServiceInstaller(.Runit).make;
+    installrunit_step.dependOn(installexe_step);
+
+    const installs6_step = b.step("installs6", "Install the Ly s6 service");
+    installs6_step.makeFn = ServiceInstaller(.S6).make;
+    installs6_step.dependOn(installexe_step);
+
+    const installdinit_step = b.step("installdinit", "Install the Ly dinit service");
+    installdinit_step.makeFn = ServiceInstaller(.Dinit).make;
+    installdinit_step.dependOn(installexe_step);
+
+    const uninstallall_step = b.step("uninstallall", "Uninstall Ly and all services");
+    uninstallall_step.makeFn = uninstallall;
+}
+
+pub fn ExeInstaller(install_conf: bool) type {
+    return struct {
+        pub fn make(step: *std.Build.Step, _: ProgressNode) !void {
+            try install_ly(step.owner.allocator, install_conf);
+        }
+    };
+}
+
+const InitSystem = enum {
+    Systemd,
+    Openrc,
+    Runit,
+    S6,
+    Dinit,
+};
+
+pub fn ServiceInstaller(comptime init_system: InitSystem) type {
+    return struct {
+        pub fn make(step: *std.Build.Step, _: ProgressNode) !void {
+            const allocator = step.owner.allocator;
+
+            var patch_map = PatchMap.init(allocator);
+            defer patch_map.deinit();
+
+            try patch_map.put("$DEFAULT_TTY", default_tty_str);
+            try patch_map.put("$CONFIG_DIRECTORY", config_directory);
+            try patch_map.put("$PREFIX_DIRECTORY", prefix_directory);
+            try patch_map.put("$EXECUTABLE_NAME", executable_name);
+
+            switch (init_system) {
+                .Systemd => {
+                    const service_path = try std.fs.path.join(allocator, &[_][]const u8{ dest_directory, prefix_directory, "/lib/systemd/system" });
+                    std.fs.cwd().makePath(service_path) catch {};
+                    var service_dir = std.fs.cwd().openDir(service_path, .{}) catch unreachable;
+                    defer service_dir.close();
+
+                    const patched_service = try patchFile(allocator, "res/ly.service", patch_map);
+                    try installText(patched_service, service_dir, service_path, "ly.service", .{ .mode = 0o644 });
+                },
+                .Openrc => {
+                    const service_path = try std.fs.path.join(allocator, &[_][]const u8{ dest_directory, config_directory, "/init.d" });
+                    std.fs.cwd().makePath(service_path) catch {};
+                    var service_dir = std.fs.cwd().openDir(service_path, .{}) catch unreachable;
+                    defer service_dir.close();
+
+                    const patched_service = try patchFile(allocator, "res/ly-openrc", patch_map);
+                    try installText(patched_service, service_dir, service_path, executable_name, .{ .mode = 0o755 });
+                },
+                .Runit => {
+                    const service_path = try std.fs.path.join(allocator, &[_][]const u8{ dest_directory, config_directory, "/sv/ly" });
+                    std.fs.cwd().makePath(service_path) catch {};
+                    var service_dir = std.fs.cwd().openDir(service_path, .{}) catch unreachable;
+                    defer service_dir.close();
+
+                    const supervise_path = try std.fs.path.join(allocator, &[_][]const u8{ service_path, "supervise" });
+
+                    const patched_conf = try patchFile(allocator, "res/ly-runit-service/conf", patch_map);
+                    try installText(patched_conf, service_dir, service_path, "conf", .{});
+
+                    try installFile("res/ly-runit-service/finish", service_dir, service_path, "finish", .{ .override_mode = 0o755 });
+
+                    const patched_run = try patchFile(allocator, "res/ly-runit-service/run", patch_map);
+                    try installText(patched_run, service_dir, service_path, "run", .{ .mode = 0o755 });
+
+                    try std.fs.cwd().symLink("/run/runit/supervise.ly", supervise_path, .{});
+                    std.debug.print("info: installed symlink /run/runit/supervise.ly\n", .{});
+                },
+                .S6 => {
+                    const admin_service_path = try std.fs.path.join(allocator, &[_][]const u8{ dest_directory, config_directory, "/s6/adminsv/default/contents.d" });
+                    std.fs.cwd().makePath(admin_service_path) catch {};
+                    var admin_service_dir = std.fs.cwd().openDir(admin_service_path, .{}) catch unreachable;
+                    defer admin_service_dir.close();
+
+                    const file = try admin_service_dir.createFile("ly-srv", .{});
+                    file.close();
+
+                    const service_path = try std.fs.path.join(allocator, &[_][]const u8{ dest_directory, config_directory, "/s6/sv/ly-srv" });
+                    std.fs.cwd().makePath(service_path) catch {};
+                    var service_dir = std.fs.cwd().openDir(service_path, .{}) catch unreachable;
+                    defer service_dir.close();
+
+                    const patched_run = try patchFile(allocator, "res/ly-s6/run", patch_map);
+                    try installText(patched_run, service_dir, service_path, "run", .{ .mode = 0o755 });
+
+                    try installFile("res/ly-s6/type", service_dir, service_path, "type", .{});
+                },
+                .Dinit => {
+                    const service_path = try std.fs.path.join(allocator, &[_][]const u8{ dest_directory, config_directory, "/dinit.d" });
+                    std.fs.cwd().makePath(service_path) catch {};
+                    var service_dir = std.fs.cwd().openDir(service_path, .{}) catch unreachable;
+                    defer service_dir.close();
+
+                    const patched_service = try patchFile(allocator, "res/ly-dinit", patch_map);
+                    try installText(patched_service, service_dir, service_path, "ly", .{});
+                },
+            }
+        }
+    };
+}
+
+fn install_ly(allocator: std.mem.Allocator, install_config: bool) !void {
+    const ly_config_directory = try std.fs.path.join(allocator, &[_][]const u8{ config_directory, "/ly" });
+
+    std.fs.cwd().makePath(ly_config_directory) catch {
+        std.debug.print("warn: {s} already exists as a directory.\n", .{ly_config_directory});
+    };
+
+    const ly_lang_path = try std.fs.path.join(allocator, &[_][]const u8{ config_directory, "/ly/lang" });
+    std.fs.cwd().makePath(ly_lang_path) catch {
+        std.debug.print("warn: {s} already exists as a directory.\n", .{config_directory});
+    };
+
+    {
+        const exe_path = try std.fs.path.join(allocator, &[_][]const u8{ dest_directory, prefix_directory, "/bin" });
+        if (!std.mem.eql(u8, dest_directory, "")) {
+            std.fs.cwd().makePath(exe_path) catch {
+                std.debug.print("warn: {s} already exists as a directory.\n", .{exe_path});
+            };
+        }
+
+        var executable_dir = std.fs.cwd().openDir(exe_path, .{}) catch unreachable;
+        defer executable_dir.close();
+
+        try installFile("zig-out/bin/ly", executable_dir, exe_path, executable_name, .{});
+    }
+
+    {
+        var config_dir = std.fs.cwd().openDir(ly_config_directory, .{}) catch unreachable;
+        defer config_dir.close();
+
+        if (install_config) {
+            var patch_map = PatchMap.init(allocator);
+            defer patch_map.deinit();
+
+            try patch_map.put("$DEFAULT_TTY", default_tty_str);
+            try patch_map.put("$CONFIG_DIRECTORY", config_directory);
+            try patch_map.put("$PREFIX_DIRECTORY", prefix_directory);
+
+            const patched_config = try patchFile(allocator, "res/config.ini", patch_map);
+            try installText(patched_config, config_dir, ly_config_directory, "config.ini", .{});
+        }
+
+        {
+            var patch_map = PatchMap.init(allocator);
+            defer patch_map.deinit();
+
+            try patch_map.put("$CONFIG_DIRECTORY", config_directory);
+
+            const patched_setup = try patchFile(allocator, "res/setup.sh", patch_map);
+            try installText(patched_setup, config_dir, ly_config_directory, "setup.sh", .{ .mode = 0o755 });
+        }
+    }
+
+    {
+        var lang_dir = std.fs.cwd().openDir(ly_lang_path, .{}) catch unreachable;
+        defer lang_dir.close();
+
+        try installFile("res/lang/cat.ini", lang_dir, ly_lang_path, "cat.ini", .{});
+        try installFile("res/lang/cs.ini", lang_dir, ly_lang_path, "cs.ini", .{});
+        try installFile("res/lang/de.ini", lang_dir, ly_lang_path, "de.ini", .{});
+        try installFile("res/lang/en.ini", lang_dir, ly_lang_path, "en.ini", .{});
+        try installFile("res/lang/es.ini", lang_dir, ly_lang_path, "es.ini", .{});
+        try installFile("res/lang/fr.ini", lang_dir, ly_lang_path, "fr.ini", .{});
+        try installFile("res/lang/it.ini", lang_dir, ly_lang_path, "it.ini", .{});
+        try installFile("res/lang/pl.ini", lang_dir, ly_lang_path, "pl.ini", .{});
+        try installFile("res/lang/pt.ini", lang_dir, ly_lang_path, "pt.ini", .{});
+        try installFile("res/lang/pt_BR.ini", lang_dir, ly_lang_path, "pt_BR.ini", .{});
+        try installFile("res/lang/ro.ini", lang_dir, ly_lang_path, "ro.ini", .{});
+        try installFile("res/lang/ru.ini", lang_dir, ly_lang_path, "ru.ini", .{});
+        try installFile("res/lang/sr.ini", lang_dir, ly_lang_path, "sr.ini", .{});
+        try installFile("res/lang/sv.ini", lang_dir, ly_lang_path, "sv.ini", .{});
+        try installFile("res/lang/tr.ini", lang_dir, ly_lang_path, "tr.ini", .{});
+        try installFile("res/lang/uk.ini", lang_dir, ly_lang_path, "uk.ini", .{});
+    }
+
+    {
+        const pam_path = try std.fs.path.join(allocator, &[_][]const u8{ dest_directory, config_directory, "/pam.d" });
+        if (!std.mem.eql(u8, dest_directory, "")) {
+            std.fs.cwd().makePath(pam_path) catch {
+                std.debug.print("warn: {s} already exists as a directory.\n", .{pam_path});
+            };
+        }
+
+        var pam_dir = std.fs.cwd().openDir(pam_path, .{}) catch unreachable;
+        defer pam_dir.close();
+
+        try installFile("res/pam.d/ly", pam_dir, pam_path, "ly", .{ .override_mode = 0o644 });
+    }
+}
+
+pub fn uninstallall(step: *std.Build.Step, _: ProgressNode) !void {
+    const allocator = step.owner.allocator;
+
+    try deleteTree(allocator, config_directory, "/ly", "ly config directory not found");
+
+    const exe_path = try std.fs.path.join(allocator, &[_][]const u8{ dest_directory, prefix_directory, "/bin/", executable_name });
+    var success = true;
+    std.fs.cwd().deleteFile(exe_path) catch {
+        std.debug.print("warn: ly executable not found\n", .{});
+        success = false;
+    };
+    if (success) std.debug.print("info: deleted {s}\n", .{exe_path});
+
+    try deleteFile(allocator, config_directory, "/pam.d/ly", "ly pam file not found");
+    try deleteFile(allocator, prefix_directory, "/lib/systemd/system/ly.service", "systemd service not found");
+    try deleteFile(allocator, config_directory, "/init.d/ly", "openrc service not found");
+    try deleteTree(allocator, config_directory, "/sv/ly", "runit service not found");
+    try deleteTree(allocator, config_directory, "/s6/sv/ly-srv", "s6 service not found");
+    try deleteFile(allocator, config_directory, "/s6/adminsv/default/contents.d/ly-srv", "s6 admin service not found");
+    try deleteFile(allocator, config_directory, "/dinit.d/ly", "dinit service not found");
+}
+
+fn getVersionStr(b: *std.Build, name: []const u8, version: std.SemanticVersion) ![]const u8 {
+    const version_str = b.fmt("{d}.{d}.{d}", .{ version.major, version.minor, version.patch });
+
+    var status: u8 = undefined;
+    const git_describe_raw = b.runAllowFail(&[_][]const u8{
+        "git",
+        "-C",
+        b.build_root.path orelse ".",
+        "describe",
+        "--match",
+        "*.*.*",
+        "--tags",
+    }, &status, .Ignore) catch {
+        return version_str;
+    };
+    var git_describe = std.mem.trim(u8, git_describe_raw, " \n\r");
+    git_describe = std.mem.trimLeft(u8, git_describe, "v");
+
+    switch (std.mem.count(u8, git_describe, "-")) {
+        0 => {
+            if (!std.mem.eql(u8, version_str, git_describe)) {
+                std.debug.print("{s} version '{s}' does not match git tag: '{s}'\n", .{ name, version_str, git_describe });
+                std.process.exit(1);
+            }
+            return version_str;
+        },
+        2 => {
+            // Untagged development build (e.g. 0.10.0-dev.2025+ecf0050a9).
+            var it = std.mem.splitScalar(u8, git_describe, '-');
+            const tagged_ancestor = std.mem.trimLeft(u8, it.first(), "v");
+            const commit_height = it.next().?;
+            const commit_id = it.next().?;
+
+            const ancestor_ver = try std.SemanticVersion.parse(tagged_ancestor);
+            if (version.order(ancestor_ver) != .gt) {
+                std.debug.print("{s} version '{}' must be greater than tagged ancestor '{}'\n", .{ name, version, ancestor_ver });
+                std.process.exit(1);
+            }
+
+            // Check that the commit hash is prefixed with a 'g' (a Git convention).
+            if (commit_id.len < 1 or commit_id[0] != 'g') {
+                std.debug.print("Unexpected `git describe` output: {s}\n", .{git_describe});
+                return version_str;
+            }
+
+            // The version is reformatted in accordance with the https://semver.org specification.
+            return b.fmt("{s}-dev.{s}+{s}", .{ version_str, commit_height, commit_id[1..] });
+        },
+        else => {
+            std.debug.print("Unexpected `git describe` output: {s}\n", .{git_describe});
+            return version_str;
+        },
+    }
+}
+
+fn installFile(
+    source_file: []const u8,
+    destination_directory: std.fs.Dir,
+    destination_directory_path: []const u8,
+    destination_file: []const u8,
+    options: std.fs.Dir.CopyFileOptions,
+) !void {
+    try std.fs.cwd().copyFile(source_file, destination_directory, destination_file, options);
+    std.debug.print("info: installed {s}/{s}\n", .{ destination_directory_path, destination_file });
+}
+
+fn patchFile(allocator: std.mem.Allocator, source_file: []const u8, patch_map: PatchMap) ![]const u8 {
+    var file = try std.fs.cwd().openFile(source_file, .{});
+    defer file.close();
+
+    const reader = file.reader();
+    var text = try reader.readAllAlloc(allocator, std.math.maxInt(u16));
+
+    var iterator = patch_map.iterator();
+    while (iterator.next()) |kv| {
+        const new_text = try std.mem.replaceOwned(u8, allocator, text, kv.key_ptr.*, kv.value_ptr.*);
+        allocator.free(text);
+        text = new_text;
+    }
+
+    return text;
+}
+
+fn installText(
+    text: []const u8,
+    destination_directory: std.fs.Dir,
+    destination_directory_path: []const u8,
+    destination_file: []const u8,
+    options: std.fs.File.CreateFlags,
+) !void {
+    var file = try destination_directory.createFile(destination_file, options);
+    defer file.close();
+
+    const writer = file.writer();
+    try writer.writeAll(text);
+
+    std.debug.print("info: installed {s}/{s}\n", .{ destination_directory_path, destination_file });
+}
+
+fn deleteFile(
+    allocator: std.mem.Allocator,
+    prefix: []const u8,
+    file: []const u8,
+    warning: []const u8,
+) !void {
+    const path = try std.fs.path.join(allocator, &[_][]const u8{ dest_directory, prefix, file });
+
+    std.fs.cwd().deleteFile(path) catch |err| {
+        if (err == error.FileNotFound) {
+            std.debug.print("warn: {s}\n", .{warning});
+            return;
+        }
+
+        return err;
+    };
+
+    std.debug.print("info: deleted {s}\n", .{path});
+}
+
+fn deleteTree(
+    allocator: std.mem.Allocator,
+    prefix: []const u8,
+    directory: []const u8,
+    warning: []const u8,
+) !void {
+    const path = try std.fs.path.join(allocator, &[_][]const u8{ dest_directory, prefix, directory });
+
+    var dir = std.fs.cwd().openDir(path, .{}) catch |err| {
+        if (err == error.FileNotFound) {
+            std.debug.print("warn: {s}\n", .{warning});
+            return;
+        }
+
+        return err;
+    };
+    dir.close();
+
+    try std.fs.cwd().deleteTree(path);
+
+    std.debug.print("info: deleted {s}\n", .{path});
+}

build.zig.zon

@@ -0,0 +1,16 @@
+.{
+    .name = "ly",
+    .version = "1.0.0",
+    .minimum_zig_version = "0.12.0",
+    .dependencies = .{
+        .clap = .{
+            .url = "https://github.com/Hejsil/zig-clap/archive/refs/tags/0.9.1.tar.gz",
+            .hash = "122062d301a203d003547b414237229b09a7980095061697349f8bef41be9c30266b",
+        },
+        .zigini = .{
+            .url = "https://github.com/Kawaii-Ash/zigini/archive/0bba97a12582928e097f4074cc746c43351ba4c8.tar.gz",
+            .hash = "12209b971367b4066d40ecad4728e6fdffc4cc4f19356d424c2de57f5b69ac7a619a",
+        },
+    },
+    .paths = .{""},
+}

makefile

@@ -1,118 +0,0 @@
-NAME = ly
-CC = gcc
-FLAGS = -std=c99 -pedantic -g
-FLAGS+= -Wall -Wextra -Werror=vla -Wno-unused-parameter
-#FLAGS+= -DDEBUG
-FLAGS+= -DLY_VERSION=\"$(shell git describe --long --tags | sed 's/\([^-]*-g\)/r\1/;s/-/./g')\"
-LINK = -lpam -lxcb
-VALGRIND = --show-leak-kinds=all --track-origins=yes --leak-check=full --suppressions=../res/valgrind.supp
-CMD = ./$(NAME)
-
-OS:= $(shell uname -s)
-ifeq ($(OS), Linux)
-	FLAGS+= -D_DEFAULT_SOURCE
-endif
-
-BIND = bin
-OBJD = obj
-SRCD = src
-SUBD = sub
-RESD = res
-TESTD = tests
-
-DATADIR ?= ${DESTDIR}/etc/ly
-FLAGS+= -DDATADIR=\"$(DATADIR)\"
-
-INCL = -I$(SRCD)
-INCL+= -I$(SUBD)/ctypes
-INCL+= -I$(SUBD)/argoat/src
-INCL+= -I$(SUBD)/configator/src
-INCL+= -I$(SUBD)/dragonfail/src
-INCL+= -I$(SUBD)/termbox_next/src
-
-SRCS = $(SRCD)/main.c
-SRCS += $(SRCD)/config.c
-SRCS += $(SRCD)/draw.c
-SRCS += $(SRCD)/inputs.c
-SRCS += $(SRCD)/login.c
-SRCS += $(SRCD)/utils.c
-SRCS += $(SUBD)/argoat/src/argoat.c
-SRCS += $(SUBD)/configator/src/configator.c
-SRCS += $(SUBD)/dragonfail/src/dragonfail.c
-
-SRCS_OBJS:= $(patsubst %.c,$(OBJD)/%.o,$(SRCS))
-SRCS_OBJS+= $(SUBD)/termbox_next/bin/termbox.a
-
-.PHONY: final
-final: $(BIND)/$(NAME)
-
-$(OBJD)/%.o: %.c
-	@echo "building object $@"
-	@mkdir -p $(@D)
-	@$(CC) $(INCL) $(FLAGS) -c -o $@ $<
-
-$(SUBD)/termbox_next/bin/termbox.a:
-	@echo "building static object $@"
-	@(cd $(SUBD)/termbox_next && $(MAKE))
-
-$(BIND)/$(NAME): $(SRCS_OBJS)
-	@echo "compiling executable $@"
-	@mkdir -p $(@D)
-	@$(CC) -o $@ $^ $(LINK)
-
-run:
-	@cd $(BIND) && $(CMD)
-
-leak: leakgrind
-leakgrind: $(BIND)/$(NAME)
-	@rm -f valgrind.log
-	@cd $(BIND) && valgrind $(VALGRIND) 2> ../valgrind.log $(CMD)
-	@less valgrind.log
-
-install: $(BIND)/$(NAME)
-	@echo "installing ly"
-	@install -dZ ${DESTDIR}/etc/ly
-	@install -DZ $(BIND)/$(NAME) -t ${DESTDIR}/usr/bin
-	@install -DZ $(RESD)/config.ini -t ${DESTDIR}/etc/ly
-	@install -DZ $(RESD)/xsetup.sh -t $(DATADIR)
-	@install -DZ $(RESD)/wsetup.sh -t $(DATADIR)
-	@install -dZ $(DATADIR)/lang
-	@install -DZ $(RESD)/lang/* -t $(DATADIR)/lang
-	@install -DZ $(RESD)/pam.d/ly -m 644 -t ${DESTDIR}/etc/pam.d
-
-installnoconf: $(BIND)/$(NAME)
-	@echo "installing ly without the configuration file"
-	@install -dZ ${DESTDIR}/etc/ly
-	@install -DZ $(BIND)/$(NAME) -t ${DESTDIR}/usr/bin
-	@install -DZ $(RESD)/xsetup.sh -t $(DATADIR)
-	@install -DZ $(RESD)/wsetup.sh -t $(DATADIR)
-	@install -dZ $(DATADIR)/lang
-	@install -DZ $(RESD)/lang/* -t $(DATADIR)/lang
-	@install -DZ $(RESD)/pam.d/ly -m 644 -t ${DESTDIR}/etc/pam.d
-
-installsystemd:
-	@echo "installing systemd service"
-	@install -DZ $(RESD)/ly.service -m 644 -t ${DESTDIR}/usr/lib/systemd/system
-
-installopenrc:
-	@echo "installing openrc service"
-	@install -DZ $(RESD)/ly-openrc -m 755 -T ${DESTDIR}/etc/init.d/${NAME}
-
-installrunit:
-	@echo "installing runit service"
-	@install -DZ $(RESD)/ly-runit-service/* -t ${DESTDIR}/etc/sv/ly
-
-uninstall:
-	@echo "uninstalling"
-	@rm -rf ${DESTDIR}/etc/ly
-	@rm -rf $(DATADIR)
-	@rm -f ${DESTDIR}/usr/bin/ly
-	@rm -f ${DESTDIR}/usr/lib/systemd/system/ly.service
-	@rm -f ${DESTDIR}/etc/pam.d/ly
-	@rm -f ${DESTDIR}/etc/init.d/${NAME}
-	@rm -rf ${DESTDIR}/etc/sv/ly
-
-clean:
-	@echo "cleaning"
-	@rm -rf $(BIND) $(OBJD) valgrind.log
-	@(cd $(SUBD)/termbox_next && $(MAKE) clean)

readme.md

@@ -1,32 +1,42 @@
 
 # Ly - a TUI display manager
-![Ly screenshot](https://user-images.githubusercontent.com/5473047/88958888-65efbf80-d2a1-11ea-8ae5-3f263bce9cce.png "Ly screenshot")
+![Ly screenshot](.github/screenshot.png "Ly screenshot")
 
 Ly is a lightweight TUI (ncurses-like) display manager for Linux and BSD.
 
 ## Dependencies
- - a C99 compiler (tested with tcc and gcc)
- - a C standard library
- - GNU make
- - pam
- - xcb
- - xorg
- - xorg-xauth
- - mcookie
- - tput
- - shutdown
+- Compile-time:
+  - zig >=0.12.0
+  - libc
+  - pam
+  - xcb (optional, required by default; needed for X11 support)
+- Runtime (with default config):
+  - xorg
+  - xorg-xauth
+  - shutdown
 
-On Debian-based distros running `apt install build-essential libpam0g-dev libxcb-xkb-dev` as root should install all the dependencies for you. 
-For Fedora try running `dnf install make automake gcc gcc-c++ kernel-devel pam-devel libxcb-devel`
+### Debian
+```
+# apt install build-essential libpam0g-dev libxcb-xkb-dev
+```
+
+### Fedora
+**Warning**: You may encounter issues with SELinux on Fedora.
+It is recommended to add a rule for Ly as it currently does not ship one.
+
+```
+# dnf install kernel-devel pam-devel libxcb-devel
+```
 
 ## Support
-The following desktop environments were tested with success
-
+The following desktop environments were tested with success:
  - awesome
  - bspwm
  - budgie
  - cinnamon
+ - cosmic
  - deepin
+ - dwl
  - dwm
  - enlightenment
  - gnome
@@ -57,7 +67,7 @@ changing the source code won't be necessary :)
 ## Cloning and Compiling
 Clone the repository
 ```
-$ git clone --recurse-submodules https://github.com/fairyglade/ly
+$ git clone https://github.com/fairyglade/ly
 ```
 
 Change the directory to ly
@@ -67,18 +77,18 @@ $ cd ly
 
 Compile
 ```
-$ make
+$ zig build
 ```
 
 Test in the configured tty (tty2 by default)
 or a terminal emulator (but desktop environments won't start)
 ```
-# make run
+# zig build run
 ```
 
 Install Ly and the provided systemd service file
 ```
-# make install installsystemd
+# zig build installsystemd
 ```
 
 Enable the service
@@ -93,12 +103,13 @@ disable getty on Ly's tty to prevent "login" from spawning on top of it
 ```
 
 ### OpenRC
+**NOTE 1**: On Gentoo, Ly will disable the `display-manager-init` service in order to run.
 
 Clone, compile and test.
 
 Install Ly and the provided OpenRC service
 ```
-# make install installopenrc
+# zig build installopenrc
 ```
 
 Enable the service
@@ -108,16 +119,17 @@ Enable the service
 
 You can edit which tty Ly will start on by editing the `tty` option in the configuration file.
 
-If you choose a tty that already has a login/getty running (has a basic login prompt), then you have to disable the getty so it doesn't respawn on top of ly
+If you choose a tty that already has a login/getty running (has a basic login prompt),
+then you have to disable getty, so it doesn't respawn on top of ly
 ```
 # rc-update del agetty.tty2
 ```
 
-### runit
+**NOTE 2**: To avoid a console spawning on top on Ly, comment out the appropriate line from /etc/inittab (default is 2).
 
+### runit
 ```
-$ make
-# make install installrunit
+# zig build installrunit
 # ln -s /etc/sv/ly /var/service/
 ```
 
@@ -129,18 +141,82 @@ You should as well disable your existing display manager service if needed, e.g.
 # rm /var/service/lxdm
 ```
 
-The agetty service for the tty console where you are running ly should be disabled. For instance, if you are running ly on tty2 (that's the default, check your `/etc/ly/config.ini`) you should disable the agetty-tty2 service like this:
+The agetty service for the tty console where you are running ly should be disabled.
+For instance, if you are running ly on tty2 (that's the default, check your `/etc/ly/config.ini`)
+you should disable the agetty-tty2 service like this:
 
 ```
 # rm /var/service/agetty-tty2
 ```
 
+### s6
+```
+# zig build installs6
+```
+
+Then, edit `/etc/s6/config/ttyX.conf` and set `SPAWN="no"`, where X is the TTY ID (e.g. `2`).
+
+Finally, enable the service:
+
+```
+# s6-service add default ly-srv
+# s6-db-reload
+# s6-rc -u change ly-srv
+```
+
+### dinit
+```
+# zig build installdinit
+# dinitctl enable ly
+```
+
+In addition to the steps above, you will also have to keep a TTY free within `/etc/dinit.d/config/console.conf`.
+
+To do that, change `ACTIVE_CONSOLES` so that the tty that ly should use in `/etc/ly/config.ini` is free.
+
+### Updating
+You can also install Ly without copying the system service and the configuration file. That's
+called *updating*. To update, simply run:
+
+```
+# zig build installnoconf
+```
+
+If you want to also copy the default config file (but still not the system service), run:
+
+```
+# zig build installexe
+```
+
 ## Arch Linux Installation
 You can install ly from the [`[extra]` repos](https://archlinux.org/packages/extra/x86_64/ly/):
 ```
 $ sudo pacman -S ly
 ```
 
+## Gentoo Installation
+You can install ly from the GURU repository:
+
+Note: If the package is masked, you may need to unmask it using ~amd64 keyword:
+```bash
+# echo 'x11-misc/ly ~amd64' >> /etc/portage/package.accept_keywords
+```
+
+1. Enable the GURU repository:
+```bash
+# eselect repository enable guru
+```
+
+2. Sync the GURU repository:
+```bash
+# emaint sync -r guru
+```
+
+3. Install ly from source:
+```bash
+# emerge --ask x11-misc/ly
+```
+
 ## Configuration
 You can find all the configuration in `/etc/ly/config.ini`.
 The file is commented, and includes the default values.
@@ -169,9 +245,10 @@ Take a look at your .xsession if X doesn't start, as it can interfere
 
 ## PSX DOOM fire animation
 To enable the famous PSX DOOM fire described by [Fabien Sanglard](http://fabiensanglard.net/doom_fire_psx/index.html),
-just uncomment `animate = true` in `/etc/ly/config.ini`. You may also
+just set `animation = doom` in `/etc/ly/config.ini`. You may also
 disable the main box borders with `hide_borders = true`.
 
 ## Additional Information
 The name "Ly" is a tribute to the fairy from the game Rayman.
 Ly was tested by oxodao, who is some seriously awesome dude.
+

res/config.ini

@@ -1,24 +1,4 @@
-# Animation enabled/disabled
-#animate = false
-
-# The active animation
-# 0 -> PSX DOOM fire (default)
-# 1 -> CMatrix 
-#animation = 0
-
-# format string for clock in top right corner (see strftime specification)
-#clock = %c
-
-# enable/disable big clock
-#bigclock = true
-
-# The character used to mask the password
-#asterisk = *
-
-# Erase password input on failure
-#blank_password = false
-
-#The `fg` and `bg` color settings take a digit 0-8 corresponding to:
+# The color settings in Ly take a digit 0-8 corresponding to:
 #define TB_DEFAULT 0x00
 #define TB_BLACK   0x01
 #define TB_RED     0x02
@@ -28,113 +8,212 @@
 #define TB_MAGENTA 0x06
 #define TB_CYAN    0x07
 #define TB_WHITE   0x08
+# The default color varies, but usually it makes the background black and the foreground white.
+# You can also combine these colors with the following style attributes using bitwise OR:
+#define TB_BOLD      0x0100
+#define TB_UNDERLINE 0x0200
+#define TB_REVERSE   0x0400
+#define TB_ITALIC    0x0800
+#define TB_BLINK     0x1000
+#define TB_HI_BLACK  0x2000
+#define TB_BRIGHT    0x4000
+#define TB_DIM       0x8000
+# For example, to set the foreground color to red and bold, you would do 0x02 | 0x0100 = 0x0102.
+# Note that you must pre-calculate the value because Ly doesn't parse bitwise OR operations in its config.
 #
-# Setting both to zero makes `bg` black and `fg` white. To set the actual color palette you are encouraged to use another tool 
-# such as [mkinitcpio-colors](https://github.com/evanpurkhiser/mkinitcpio-colors). Note that the color palette defined with 
-# `mkinitcpio-colors` takes 16 colors (0-15), only values 0-8 are valid for `ly` config and these values do not correspond 
-# exactly. For instance, in defining palettes with `mkinitcpio-colors` the order is black, dark red, dark green, brown, dark 
+# Moreover, to set the VT color palette, you are encouraged to use another tool such as
+# mkinitcpio-colors (https://github.com/evanpurkhiser/mkinitcpio-colors). Note that the color palette defined with
+# mkinitcpio-colors takes 16 colors (0-15), only values 0-8 are valid with Ly and these values do not correspond
+# exactly. For instance, in defining palettes with mkinitcpio-colors, the order is black, dark red, dark green, brown, dark
 # blue, dark purple, dark cyan, light gray, dark gray, bright red, bright green, yellow, bright blue, bright purple, bright
 # cyan, and white, indexed in that order 0 through 15. For example, the color defined for white (indexed at 15 in the mkinitcpio
-# config) will be used by `ly` for `fg = 8`.
+# config) will be used by Ly for fg = 0x0008.
+
+# The active animation
+# none   -> Nothing
+# doom   -> PSX DOOM fire
+# matrix -> CMatrix
+animation = none
+
+# Stop the animation after some time
+# 0 -> Run forever
+# 1..2e12 -> Stop the animation after this many seconds
+animation_timeout_sec = 0
+
+# The character used to mask the password
+# If null, the password will be hidden
+# Note: you can use a # by escaping it like so: \#
+asterisk = *
+
+# The number of failed authentications before a special animation is played... ;)
+auth_fails = 10
 
 # Background color id
-#bg = 0
+bg = 0x0000
 
-# Foreground color id
-#fg = 9
+# Change the state and language of the big clock
+# none -> Disabled (default)
+# en   -> English
+# fa   -> Farsi
+bigclock = none
 
 # Blank main box background
 # Setting to false will make it transparent
-#blank_box = true
+blank_box = true
 
-# Remove main box borders
-#hide_borders = false
+# Border foreground color id
+border_fg = 0x0008
 
-# Main box margins
-#margin_box_h = 2
-#margin_box_v = 1
+# Title to show at the top of the main box
+# If set to null, none will be shown
+box_title = null
 
-# Input boxes length
-#input_len = 34
+# Brightness increase command
+brightness_down_cmd = $PREFIX_DIRECTORY/bin/brightnessctl -q s 10%-
 
-# Max input sizes
-#max_desktop_len = 100
-#max_login_len = 255
-#max_password_len = 255
+# Brightness decrease key
+brightness_down_key = F5
 
+# Brightness increase command
+brightness_up_cmd = $PREFIX_DIRECTORY/bin/brightnessctl -q s +10%
 
-# Input box active by default on startup
-#default_input = 2
+# Brightness increase key
+brightness_up_key = F6
 
-# Load the saved desktop and username
-#load = true
+# Erase password input on failure
+clear_password = false
 
-# Save the current desktop and login as defaults
-#save = true
+# Format string for clock in top right corner (see strftime specification). Example: %c
+# If null, the clock won't be shown
+clock = null
 
-# File in which to save and load the default desktop and login
-#save_file = /etc/ly/save
-
-
-# Remove F1/F2 command hints
-#hide_f1_commands = false
-
-# Command executed when pressing F1
-#shutdown_cmd = /sbin/shutdown -a now
-
-# Command executed when pressing F2
-#restart_cmd = /sbin/shutdown -r now
-
-
-# Active language
-# Available languages are found in /etc/ly/lang/
-#lang = en
-
-
-# tty in use
-#tty = 2
+# CMatrix animation foreground color id
+cmatrix_fg = 0x0003
 
 # Console path
-#console_dev = /dev/console
+console_dev = /dev/console
 
-# Default path
-#path = /sbin:/bin:/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin
+# Input box active by default on startup
+# Available inputs: info_line, session, login, password
+default_input = login
 
+# Error background color id
+error_bg = 0x0000
+
+# Error foreground color id
+# Default is red and bold: TB_RED | TB_BOLD
+error_fg = 0x0102
+
+# Foreground color id
+fg = 0x0008
+
+# Remove main box borders
+hide_borders = false
+
+# Remove power management command hints
+hide_key_hints = false
+
+# Initial text to show on the info line
+# If set to null, the info line defaults to the hostname
+initial_info_text = null
+
+# Input boxes length
+input_len = 34
+
+# Active language
+# Available languages are found in $CONFIG_DIRECTORY/ly/lang/
+lang = en
+
+# Load the saved desktop and username
+load = true
+
+# Command executed when logging in
+# If null, no command will be executed
+# Important: the code itself must end with `exec "$@"` in order to launch the session!
+# You can also set environment variables in there, they'll persist until logout
+login_cmd = null
+
+# Command executed when logging out
+# If null, no command will be executed
+# Important: the session will already be terminated when this command is executed, so
+# no need to add `exec "$@"` at the end
+logout_cmd = null
+
+# Main box horizontal margin
+margin_box_h = 2
+
+# Main box vertical margin
+margin_box_v = 1
 
 # Event timeout in milliseconds
-#min_refresh_delta = 5
+min_refresh_delta = 5
+
+# Set numlock on/off at startup
+numlock = false
+
+# Default path
+# If null, ly doesn't set a path
+path = /sbin:/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
+
+# Command executed when pressing restart_key
+restart_cmd = /sbin/shutdown -r now
+
+# Specifies the key used for restart (F1-F12)
+restart_key = F2
+
+# Save the current desktop and login as defaults
+save = true
 
 # Service name (set to ly to use the provided pam config file)
-#service_name = ly
+service_name = ly
 
-# Terminal reset command (tput is faster)
-#term_reset_cmd = /usr/bin/tput reset
+# Session log file path
+# This will contain stdout and stderr of X11 and Wayland sessions
+# By default it's saved in the user's home directory
+# Note: this file won't be used in a shell session (due to the need of stdout and stderr)
+session_log = ly-session.log
 
-# Cookie generator
-#mcookie_cmd = /usr/bin/mcookie
+# Setup command
+setup_cmd = $CONFIG_DIRECTORY/ly/setup.sh
 
+# Command executed when pressing shutdown_key
+shutdown_cmd = /sbin/shutdown -a now
 
-# Wayland setup command
-#wayland_cmd = /etc/ly/wsetup.sh
+# Specifies the key used for shutdown (F1-F12)
+shutdown_key = F1
 
-# Add wayland specifier to session names
-#wayland_specifier = false
+# Command executed when pressing sleep key (can be null)
+sleep_cmd = null
+
+# Specifies the key used for sleep (F1-F12)
+sleep_key = F3
+
+# Center the session name.
+text_in_center = false
+
+# TTY in use
+tty = $DEFAULT_TTY
+
+# Default vi mode
+# normal   -> normal mode
+# insert   -> insert mode
+vi_default_mode = normal
+
+# Enable vi keybindings
+vi_mode = false
 
 # Wayland desktop environments
-#waylandsessions = /usr/share/wayland-sessions
-
-
-# xinitrc
-#xinitrc = ~/.xinitrc
+waylandsessions = $PREFIX_DIRECTORY/share/wayland-sessions
 
 # Xorg server command
-#x_cmd = /usr/bin/X
-
-# Xorg setup command
-#x_cmd_setup = /etc/ly/xsetup.sh
+x_cmd = $PREFIX_DIRECTORY/bin/X
 
 # Xorg xauthority edition tool
-#xauth_cmd = /usr/bin/xauth
+xauth_cmd = $PREFIX_DIRECTORY/bin/xauth
+
+# xinitrc
+# If null, the xinitrc session will be hidden
+xinitrc = ~/.xinitrc
 
 # Xorg desktop environments
-#xsessions = /usr/share/xsessions
+xsessions = $PREFIX_DIRECTORY/share/xsessions

res/lang/cat.ini

@@ -34,12 +34,12 @@ err_user_init = error al inicialitzar usuari
 err_user_uid = error al establir el UID de l'usuari
 err_xsessions_dir = error al cercar la carpeta de sessions
 err_xsessions_open = error al obrir la carpeta de sessions
-f1 = F1 aturar
-f2 = F2 reiniciar
 login = iniciar sessió
 logout = tancar sessió
 numlock = Bloq Num
 password = Clau
+restart = reiniciar
 shell = shell
+shutdown = aturar
 wayland = wayland
 xinitrc = xinitrc

res/lang/cs.ini

@@ -2,7 +2,7 @@ capslock = capslock
 err_alloc = alokace paměti selhala
 err_bounds = index je mimo hranice pole
 err_chdir = nelze otevřít domovský adresář
-err_console_dev = chyba při přístupi do konzole
+err_console_dev = chyba při přístupu do konzole
 err_dgn_oob = zpráva protokolu
 err_domain = neplatná doména
 err_hostname = nelze získat název hostitele
@@ -34,12 +34,12 @@ err_user_init = inicializace uživatele selhala
 err_user_uid = nastavení UID uživateli selhalo
 err_xsessions_dir = nepodařilo se najít složku relací
 err_xsessions_open = nepodařilo se otevřít složku relací
-f1 = F1 vypnout
-f2 = F2 restartovat
 login = uživatel
 logout = odhlášen
 numlock = numlock
 password = heslo
+restart = restartovat
 shell = příkazový řádek
+shutdown = vypnout
 wayland = wayland
 xinitrc = xinitrc

res/lang/de.ini

@@ -34,12 +34,12 @@ err_user_init = Initialisierung des Nutzers fehlgeschlagen
 err_user_uid = Setzen der Benutzer Id fehlgeschlagen
 err_xsessions_dir = Fehler beim finden des Sitzungsordners
 err_xsessions_open = Fehler beim öffnen des Sitzungsordners
-f1 = F1 Herunterfahren
-f2 = F2 Neustarten
 login = Anmelden
 logout = Abgemeldet
 numlock = Numtaste
 password = Passwort
+restart = Neustarten
 shell = shell
+shutdown = Herunterfahren
 wayland = wayland
 xinitrc = xinitrc

res/lang/en.ini

@@ -1,13 +1,19 @@
+authenticating = authenticating...
+brightness_down = decrease brightness
+brightness_up = increase brightness
 capslock = capslock
 err_alloc = failed memory allocation
 err_bounds = out-of-bounds index
+err_brightness_change = failed to change brightness
 err_chdir = failed to open home folder
 err_console_dev = failed to access console
 err_dgn_oob = log message
 err_domain = invalid domain
+err_envlist = failed to get envlist
 err_hostname = failed to get hostname
 err_mlock = failed to lock password memory
 err_null = null pointer
+err_numlock = failed to set numlock
 err_pam = pam transaction failed
 err_pam_abort = pam transaction aborted
 err_pam_acct_expired = account expired
@@ -29,17 +35,25 @@ err_perm_dir = failed to change current directory
 err_perm_group = failed to downgrade group permissions
 err_perm_user = failed to downgrade user permissions
 err_pwnam = failed to get user info
+err_unknown = an unknown error occurred
 err_user_gid = failed to set user GID
 err_user_init = failed to initialize user
 err_user_uid = failed to set user UID
+err_xauth = xauth command failed
+err_xcb_conn = xcb connection failed
 err_xsessions_dir = failed to find sessions folder
 err_xsessions_open = failed to open sessions folder
-f1 = F1 shutdown
-f2 = F2 reboot
+insert = insert
 login = login
 logout = logged out
+normal = normal
+no_x11_support = x11 support disabled at compile-time
 numlock = numlock
 password = password
+restart = reboot
 shell = shell
+shutdown = shutdown
+sleep = sleep
 wayland = wayland
 xinitrc = xinitrc
+x11 = x11

res/lang/es.ini

@@ -1,3 +1,6 @@
+authenticating = autenticando...
+brightness_down = bajar brillo
+brightness_up = subir brillo
 capslock = Bloq Mayús
 err_alloc = asignación de memoria fallida
 err_bounds = índice fuera de límites
@@ -34,12 +37,17 @@ err_user_init = error al inicializar usuario
 err_user_uid = error al establecer el UID del usuario
 err_xsessions_dir = error al buscar la carpeta de sesiones
 err_xsessions_open = error al abrir la carpeta de sesiones
-f1 = F1 apagar
-f2 = F2 reiniciar
-login = iniciar sesión
+insert = insertar
+login = usuario
 logout = cerrar sesión
+no_x11_support = soporte para x11 deshabilitado en tiempo de compilación
+normal = normal
 numlock = Bloq Num
+other = otro
 password = contraseña
+restart = reiniciar
 shell = shell
+shutdown = apagar
+sleep = suspender
 wayland = wayland
 xinitrc = xinitrc

res/lang/fr.ini

@@ -1,19 +1,25 @@
-capslock = verr.maj
+authenticating = authentification...
+brightness_down = diminuer la luminosité
+brightness_up = augmenter la luminosité
+capslock = verr.maj
 err_alloc = échec d'allocation mémoire
 err_bounds = indice hors-limite
+err_brightness_change = échec du changement de luminosité
 err_chdir = échec de l'ouverture du répertoire home
 err_console_dev = échec d'accès à la console
 err_dgn_oob = message
 err_domain = domaine invalide
+err_envlist = échec de lecture de la liste d'environnement
 err_hostname = échec de lecture du nom d'hôte
 err_mlock = échec du verrouillage mémoire
 err_null = pointeur null
+err_numlock = échec de modification du verr.num
 err_pam = échec de la transaction pam
 err_pam_abort = transaction pam avortée
 err_pam_acct_expired = compte expiré
 err_pam_auth = erreur d'authentification
-err_pam_authok_reqd = tiquet expiré
 err_pam_authinfo_unavail = échec de l'obtention des infos utilisateur
+err_pam_authok_reqd = tiquet expiré
 err_pam_buf = erreur de mémoire tampon
 err_pam_cred_err = échec de la modification des identifiants
 err_pam_cred_expired = identifiants expirés
@@ -29,17 +35,25 @@ err_perm_dir = échec de changement de répertoire
 err_perm_group = échec du déclassement des permissions de groupe
 err_perm_user = échec du déclassement des permissions utilisateur
 err_pwnam = échec de lecture des infos utilisateur
+err_unknown = une erreur inconnue est survenue
 err_user_gid = échec de modification du GID
 err_user_init = échec d'initialisation de l'utilisateur
 err_user_uid = échec de modification du UID
+err_xauth = échec de la commande xauth
+err_xcb_conn = échec de la connexion xcb
 err_xsessions_dir = échec de la recherche du dossier de sessions
 err_xsessions_open = échec de l'ouverture du dossier de sessions
-f1 = F1 éteindre
-f2 = F2 redémarrer
+insert = insertion
 login = identifiant
-logout = déconnection
+logout = déconnecté
+normal = normal
+no_x11_support = support pour x11 désactivé lors de la compilation
 numlock = verr.num
 password = mot de passe
+restart = redémarrer
 shell = shell
+shutdown = éteindre
+sleep = veille
 wayland = wayland
 xinitrc = xinitrc
+x11 = x11

res/lang/it.ini

@@ -34,12 +34,12 @@ err_user_init = impossibile inizializzare utente
 err_user_uid = impossible impostare UID utente
 err_xsessions_dir = impossibile localizzare cartella sessioni
 err_xsessions_open = impossibile aprire cartella sessioni
-f1 = F1 arresto
-f2 = F2 riavvio
 login = username
 logout = scollegato
 numlock = numlock
 password = password
+restart = riavvio
 shell = shell
+shutdown = arresto
 wayland = wayland
 xinitrc = xinitrc

res/lang/pl.ini

@@ -34,12 +34,12 @@ err_user_init = nie udało się zainicjalizować użytkownika
 err_user_uid = nie udało się ustawić UID użytkownika
 err_xsessions_dir = nie udało się znaleźć folderu sesji
 err_xsessions_open = nie udało się otworzyć folderu sesji
-f1 = F1 wyłącz
-f2 = F2 uruchom ponownie
 login = login
 logout = wylogowano
 numlock = numlock
 password = hasło
+restart = uruchom ponownie
 shell = powłoka
+shutdown = wyłącz
 wayland = wayland
 xinitrc = xinitrc

res/lang/pt.ini

@@ -34,12 +34,12 @@ err_user_init = erro ao iniciar o utilizador
 err_user_uid = erro ao definir o UID do utilizador
 err_xsessions_dir = erro ao localizar a pasta das sessões
 err_xsessions_open = erro ao abrir a pasta das sessões
-f1 = F1 encerrar
-f2 = F2 reiniciar
 login = iniciar sessão
 logout = terminar sessão
 numlock = numlock
 password = palavra-passe
+restart = reiniciar
 shell = shell
+shutdown = encerrar
 wayland = wayland
 xinitrc = xinitrc

res/lang/pt_BR.ini

@@ -34,12 +34,12 @@ err_user_init = não foi possível iniciar o usuário
 err_user_uid = não foi possível definir o UID do usuário
 err_xsessions_dir = não foi possível encontrar a pasta das sessões
 err_xsessions_open = não foi possível abrir a pasta das sessões
-f1 = F1 desligar
-f2 = F2 reiniciar
 login = conectar
 logout = desconectado
 numlock = numlock
 password = senha
+restart = reiniciar
 shell = shell
+shutdown = desligar
 wayland = wayland
 xinitrc = xinitrc

res/lang/ro.ini

@@ -34,12 +34,12 @@ err_perm_user = nu s-a putut face downgrade permisiunilor de utilizator
 
 
 
-f1 = F1 opreşte sistemul
-f2 = F2 resetează
 login = utilizator
 logout = opreşte sesiunea
 numlock = numlock
 password = parolă
+restart = resetează
 shell = shell
+shutdown = opreşte sistemul
 wayland = wayland
 xinitrc = xinitrc

res/lang/ru.ini

@@ -34,12 +34,12 @@ err_user_init = не удалось инициализировать польз
 err_user_uid = не удалось установить UID пользователя
 err_xsessions_dir = не удалось найти сессионную папку
 err_xsessions_open = не удалось открыть сессионную папку
-f1 = F1 выключить
-f2 = F2 перезагрузить
 login = логин
 logout = logged out
 numlock = numlock
 password = пароль
+restart = перезагрузить
 shell = shell
+shutdown = выключить
 wayland = wayland
 xinitrc = xinitrc

res/lang/sr.ini

@@ -34,12 +34,12 @@ err_user_init = neuspijensa inicijalizacija korisnika
 err_user_uid = neuspijesno postavljanje UID-a korisnika
 err_xsessions_dir = neuspijesno pronalazenje foldera sesija
 err_xsessions_open = neuspijesno otvaranje foldera sesija 
-f1 = F1 ugasi
-f2 = F2 ponovo pokreni
 login = korisnik
 logout = izlogovan
 numlock = numlock
 password = lozinka
+restart = ponovo pokreni
 shell = shell
+shutdown = ugasi
 wayland = wayland
 xinitrc = xinitrc

res/lang/sv.ini

@@ -34,12 +34,12 @@ err_user_init = misslyckades att initialisera användaren
 err_user_uid = misslyckades att ställa in användar-UID
 err_xsessions_dir = misslyckades att hitta sessionskatalog
 err_xsessions_open = misslyckades att öppna sessionskatalog
-f1 = F1 stäng av
-f2 = F2 starta om
-login = inloggad
+login = inloggning
 logout = utloggad
 numlock = numlock
 password = lösenord
+restart = starta om
 shell = skal
+shutdown = stäng av
 wayland = wayland
 xinitrc = xinitrc

res/lang/tr.ini

@@ -34,12 +34,12 @@ err_user_init = kullanici oturumu baslatilamadi
 err_user_uid = kullanici icin UID ayarlanamadi
 err_xsessions_dir = oturumlar klasoru bulunamadi
 err_xsessions_open = oturumlar klasoru acilamadi
-f1 = F1 makineyi kapat
-f2 = F2 yeniden baslat
 login = kullanici
 logout = oturumdan cikis yapildi
 numlock = numlock
 password = sifre
+restart = yeniden baslat
 shell = shell
+shutdown = makineyi kapat
 wayland = wayland
 xinitrc = xinitrc

res/lang/uk.ini

@@ -34,12 +34,12 @@ err_user_init = не вдалося ініціалізувати користу
 err_user_uid = не вдалося змінити UID користувача
 err_xsessions_dir = не вдалося знайти каталог сесій
 err_xsessions_open = не вдалося відкрити каталог сесій
-f1 = F1 вимкнути
-f2 = F2 перезавантажити
 login = логін
 logout = вийти
 numlock = numlock
 password = пароль
+restart = перезавантажити
 shell = оболонка
+shutdown = вимкнути
 wayland = wayland
 xinitrc = xinitrc

res/ly-dinit

@@ -0,0 +1,8 @@
+type            = process
+restart         = true
+smooth-recovery = true
+command         = $PREFIX_DIRECTORY/bin/$EXE_NAME
+depends-on      = loginready
+termsignal      = HUP
+# ly needs access to the console while loginready already occupies it
+options         = shares-console

res/ly-openrc

@@ -20,16 +20,16 @@ then
 fi
 
 ## Get the tty from the conf file
-CONFTTY=$(cat /etc/ly/config.ini | sed -n 's/^tty.*=[^1-9]*// p')
+CONFTTY=$(cat $CONFIG_DIRECTORY/ly/config.ini | sed -n 's/^tty.*=[^1-9]*// p')
 
 ## The execution vars
-# If CONFTTY is empty then default to 2
-TTY="tty${CONFTTY:-2}"
+# If CONFTTY is empty then default to $DEFAULT_TTY
+TTY="tty${CONFTTY:-$DEFAULT_TTY}"
 TERM=linux
 BAUD=38400
 # If we don't have getty then we should have agetty
 command=${commandB:-$commandUL}
-command_args_foreground="-nl /usr/bin/ly $TTY $BAUD $TERM"
+command_args_foreground="-nl $PREFIX_DIRECTORY/bin/$EXECUTABLE_NAME $TTY $BAUD $TERM"
 
 depend() {
          after agetty

res/ly-runit-service/conf

@@ -8,5 +8,5 @@ fi
 BAUD_RATE=38400
 TERM_NAME=linux
 
-auxtty=$(/bin/cat /etc/ly/config.ini 2>/dev/null 1| /bin/sed -n 's/\(^[[:space:]]*tty[[:space:]]*=[[:space:]]*\)\([[:digit:]][[:digit:]]*\)\(.*\)/\2/p')
-TTY=tty${auxtty:-2}
+auxtty=$(/bin/cat $CONFIG_DIRECTORY/ly/config.ini 2>/dev/null 1| /bin/sed -n 's/\(^[[:space:]]*tty[[:space:]]*=[[:space:]]*\)\([[:digit:]][[:digit:]]*\)\(.*\)/\2/p')
+TTY=tty${auxtty:-$DEFAULT_TTY}

res/ly-runit-service/run

@@ -10,4 +10,4 @@ elif [ -x /sbin/agetty -o -x /bin/agetty ]; then
 	GETTY=agetty
 fi
 
-exec setsid ${GETTY} ${GETTY_ARGS} -nl /usr/bin/ly "${TTY}" "${BAUD_RATE}" "${TERM_NAME}"
+exec setsid ${GETTY} ${GETTY_ARGS} -nl $PREFIX_DIRECTORY/bin/$EXECUTABLE_NAME "${TTY}" "${BAUD_RATE}" "${TERM_NAME}"

res/ly-s6/run

@@ -0,0 +1,2 @@
+#!/bin/execlineb -P
+exec agetty -L -8 -n -l $PREFIX_DIRECTORY/bin/$EXE_NAME tty$DEFAULT_TTY 115200

res/ly-s6/type

@@ -0,0 +1 @@
+longrun

res/ly.service

@@ -1,13 +1,14 @@
 [Unit]
 Description=TUI display manager
 After=systemd-user-sessions.service plymouth-quit-wait.service
-After=getty@tty2.service
+After=getty@tty$DEFAULT_TTY.service
+Conflicts=getty@tty$DEFAULT_TTY.service
 
 [Service]
 Type=idle
-ExecStart=/usr/bin/ly
+ExecStart=$PREFIX_DIRECTORY/bin/$EXECUTABLE_NAME
 StandardInput=tty
-TTYPath=/dev/tty2
+TTYPath=/dev/tty$DEFAULT_TTY
 TTYReset=yes
 TTYVHangup=yes
 

res/pam.d/ly

@@ -1,6 +1,18 @@
 #%PAM-1.0
 
+auth       sufficient   pam_unix.so try_first_pass likeauth nullok # empty-password will not pass this, but will not fail causing the next line to get executed
+-auth      sufficient   pam_fprintd.so # We do not want to get errors when pam_fprintd.so is not present
 auth       include      login
+-auth      optional     pam_gnome_keyring.so
+-auth      optional     pam_kwallet5.so
+
 account    include      login
+
 password   include      login
+-password  optional     pam_gnome_keyring.so use_authtok
+
+-session   optional     pam_systemd.so       class=greeter
+-session   optional     pam_elogind.so
 session    include      login
+-session   optional     pam_gnome_keyring.so auto_start
+-session   optional     pam_kwallet5.so      auto_start

res/setup.sh

@@ -0,0 +1,107 @@
+#!/bin/sh
+# Shell environment setup after login
+# Copyright (C) 2015-2016 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>
+
+# This file is extracted from kde-workspace (kdm/kfrontend/genkdmconf.c)
+# Copyright (C) 2001-2005 Oswald Buddenhagen <ossi@kde.org>
+
+# Copyright (C) 2024 The Fairy Glade
+# This work is free. You can redistribute it and/or modify it under the
+# terms of the Do What The Fuck You Want To Public License, Version 2,
+# as published by Sam Hocevar. See the LICENSE file for more details.
+
+# Note that the respective logout scripts are not sourced.
+case $SHELL in
+*/bash)
+    [ -z "$BASH" ] && exec $SHELL "$0" "$@"
+    set +o posix
+    [ -f "$CONFIG_DIRECTORY"/profile ] && . "$CONFIG_DIRECTORY"/profile
+    if [ -f "$HOME"/.bash_profile ]; then
+        . "$HOME"/.bash_profile
+    elif [ -f "$HOME"/.bash_login ]; then
+        . "$HOME"/.bash_login
+    elif [ -f "$HOME"/.profile ]; then
+        . "$HOME"/.profile
+    fi
+    ;;
+*/zsh)
+    [ -z "$ZSH_NAME" ] && exec $SHELL "$0" "$@"
+    [ -d "$CONFIG_DIRECTORY"/zsh ] && zdir="$CONFIG_DIRECTORY"/zsh || zdir="$CONFIG_DIRECTORY"
+    zhome=${ZDOTDIR:-"$HOME"}
+    # zshenv is always sourced automatically.
+    [ -f "$zdir"/zprofile ] && . "$zdir"/zprofile
+    [ -f "$zhome"/.zprofile ] && . "$zhome"/.zprofile
+    [ -f "$zdir"/zlogin ] && . "$zdir"/zlogin
+    [ -f "$zhome"/.zlogin ] && . "$zhome"/.zlogin
+    emulate -R sh
+    ;;
+*/csh|*/tcsh)
+    # [t]cshrc is always sourced automatically.
+    # Note that sourcing csh.login after .cshrc is non-standard.
+    sess_tmp=$(mktemp /tmp/sess-env-XXXXXX)
+    $SHELL -c "if (-f $CONFIG_DIRECTORY/csh.login) source $CONFIG_DIRECTORY/csh.login; if (-f ~/.login) source ~/.login; /bin/sh -c 'export -p' >! $sess_tmp"
+    . "$sess_tmp"
+    rm -f "$sess_tmp"
+    ;;
+*/fish)
+    [ -f "$CONFIG_DIRECTORY"/profile ] && . "$CONFIG_DIRECTORY"/profile
+    [ -f "$HOME"/.profile ] && . "$HOME"/.profile
+    sess_tmp=$(mktemp /tmp/sess-env-XXXXXX)
+    $SHELL --login -c "/bin/sh -c 'export -p' > $sess_tmp"
+    . "$sess_tmp"
+    rm -f "$sess_tmp"
+    ;;
+*) # Plain sh, ksh, and anything we do not know.
+    [ -f "$CONFIG_DIRECTORY"/profile ] && . "$CONFIG_DIRECTORY"/profile
+    [ -f "$HOME"/.profile ] && . "$HOME"/.profile
+    ;;
+esac
+
+if [ "$XDG_SESSION_TYPE" = "x11" ]; then
+    [ -f "$CONFIG_DIRECTORY"/xprofile ] && . "$CONFIG_DIRECTORY"/xprofile
+    [ -f "$HOME"/.xprofile ] && . "$HOME"/.xprofile
+
+    # run all system xinitrc shell scripts.
+    if [ -d "$CONFIG_DIRECTORY"/X11/xinit/xinitrc.d ]; then
+        for i in "$CONFIG_DIRECTORY"/X11/xinit/xinitrc.d/* ; do
+            if [ -x "$i" ]; then
+                . "$i"
+            fi
+        done
+    fi
+
+    # Load Xsession scripts
+    # OPTIONFILE, USERXSESSION, USERXSESSIONRC and ALTUSERXSESSION are required
+    # by the scripts to work
+    xsessionddir="$CONFIG_DIRECTORY"/X11/Xsession.d
+    export OPTIONFILE="$CONFIG_DIRECTORY"/X11/Xsession.options
+    export USERXSESSION="$HOME"/.xsession
+    export USERXSESSIONRC="$HOME"/.xsessionrc
+    export ALTUSERXSESSION="$HOME"/.Xsession
+
+    if [ -d "$xsessionddir" ]; then
+        for i in $(ls "$xsessionddir"); do
+            script="$xsessionddir/$i"
+            echo "Loading X session script $script"
+            if [ -r "$script" ] && [ -f "$script" ] && expr "$i" : '^[[:alnum:]_-]\+$' > /dev/null; then
+                . "$script"
+            fi
+        done
+    fi
+
+    if [ -d "$CONFIG_DIRECTORY"/X11/Xresources ]; then
+        for i in "$CONFIG_DIRECTORY"/X11/Xresources/*; do
+            [ -f "$i" ] && xrdb -merge "$i"
+        done
+    elif [ -f "$CONFIG_DIRECTORY"/X11/Xresources ]; then
+        xrdb -merge "$CONFIG_DIRECTORY"/X11/Xresources
+    fi
+    [ -f "$HOME"/.Xresources ] && xrdb -merge "$HOME"/.Xresources
+    [ -f "$XDG_CONFIG_HOME"/X11/Xresources ] && xrdb -merge "$XDG_CONFIG_HOME"/X11/Xresources
+
+    if [ -f "$USERXSESSION" ]; then
+        . "$USERXSESSION"
+    fi
+fi
+
+exec "$@"

res/wsetup.sh

@@ -1,54 +0,0 @@
-#!/bin/sh
-# wayland-session - run as user
-# Copyright (C) 2015-2016 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>
-
-# This file is extracted from kde-workspace (kdm/kfrontend/genkdmconf.c)
-# Copyright (C) 2001-2005 Oswald Buddenhagen <ossi@kde.org>
-
-# Note that the respective logout scripts are not sourced.
-case $SHELL in
-  */bash)
-    [ -z "$BASH" ] && exec $SHELL $0 "$@"
-    set +o posix
-    [ -f /etc/profile ] && . /etc/profile
-    if [ -f $HOME/.bash_profile ]; then
-      . $HOME/.bash_profile
-    elif [ -f $HOME/.bash_login ]; then
-      . $HOME/.bash_login
-    elif [ -f $HOME/.profile ]; then
-      . $HOME/.profile
-    fi
-    ;;
-*/zsh)
-    [ -z "$ZSH_NAME" ] && exec $SHELL $0 "$@"
-    [ -d /etc/zsh ] && zdir=/etc/zsh || zdir=/etc
-    zhome=${ZDOTDIR:-$HOME}
-    # zshenv is always sourced automatically.
-    [ -f $zdir/zprofile ] && . $zdir/zprofile
-    [ -f $zhome/.zprofile ] && . $zhome/.zprofile
-    [ -f $zdir/zlogin ] && . $zdir/zlogin
-    [ -f $zhome/.zlogin ] && . $zhome/.zlogin
-    emulate -R sh
-    ;;
-  */csh|*/tcsh)
-    # [t]cshrc is always sourced automatically.
-    # Note that sourcing csh.login after .cshrc is non-standard.
-    wlsess_tmp=`mktemp /tmp/wlsess-env-XXXXXX`
-    $SHELL -c "if (-f /etc/csh.login) source /etc/csh.login; if (-f ~/.login) source ~/.login; /bin/sh -c 'export -p' >! $wlsess_tmp"
-    . $wlsess_tmp
-    rm -f $wlsess_tmp
-    ;;
-  */fish)
-    [ -f /etc/profile ] && . /etc/profile
-    xsess_tmp=`mktemp /tmp/xsess-env-XXXXXX`
-    $SHELL --login -c "/bin/sh -c 'export -p' > $xsess_tmp"
-    . $xsess_tmp
-    rm -f $xsess_tmp
-    ;;
-  *) # Plain sh, ksh, and anything we do not know.
-    [ -f /etc/profile ] && . /etc/profile
-    [ -f $HOME/.profile ] && . $HOME/.profile
-    ;;
-esac
-
-exec "$@"

res/xsetup.sh

@@ -1,103 +0,0 @@
-#! /bin/sh
-# Xsession - run as user
-# Copyright (C) 2016 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>
-
-# This file is extracted from kde-workspace (kdm/kfrontend/genkdmconf.c)
-# Copyright (C) 2001-2005 Oswald Buddenhagen <ossi@kde.org>
-
-# Note that the respective logout scripts are not sourced.
-case $SHELL in
-  */bash)
-    [ -z "$BASH" ] && exec $SHELL $0 "$@"
-    set +o posix
-    [ -f /etc/profile ] && . /etc/profile
-    if [ -f $HOME/.bash_profile ]; then
-      . $HOME/.bash_profile
-    elif [ -f $HOME/.bash_login ]; then
-      . $HOME/.bash_login
-    elif [ -f $HOME/.profile ]; then
-      . $HOME/.profile
-    fi
-    ;;
-*/zsh)
-    [ -z "$ZSH_NAME" ] && exec $SHELL $0 "$@"
-    [ -d /etc/zsh ] && zdir=/etc/zsh || zdir=/etc
-    zhome=${ZDOTDIR:-$HOME}
-    # zshenv is always sourced automatically.
-    [ -f $zdir/zprofile ] && . $zdir/zprofile
-    [ -f $zhome/.zprofile ] && . $zhome/.zprofile
-    [ -f $zdir/zlogin ] && . $zdir/zlogin
-    [ -f $zhome/.zlogin ] && . $zhome/.zlogin
-    emulate -R sh
-    ;;
-  */csh|*/tcsh)
-    # [t]cshrc is always sourced automatically.
-    # Note that sourcing csh.login after .cshrc is non-standard.
-    xsess_tmp=`mktemp /tmp/xsess-env-XXXXXX`
-    $SHELL -c "if (-f /etc/csh.login) source /etc/csh.login; if (-f ~/.login) source ~/.login; /bin/sh -c 'export -p' >! $xsess_tmp"
-    . $xsess_tmp
-    rm -f $xsess_tmp
-    ;;
-  */fish)
-    [ -f /etc/profile ] && . /etc/profile
-    xsess_tmp=`mktemp /tmp/xsess-env-XXXXXX`
-    $SHELL --login -c "/bin/sh -c 'export -p' > $xsess_tmp"
-    . $xsess_tmp
-    rm -f $xsess_tmp
-    ;;
-  *) # Plain sh, ksh, and anything we do not know.
-    [ -f /etc/profile ] && . /etc/profile
-    [ -f $HOME/.profile ] && . $HOME/.profile
-    ;;
-esac
-
-[ -f /etc/xprofile ] && . /etc/xprofile
-[ -f $HOME/.xprofile ] && . $HOME/.xprofile
-
-# run all system xinitrc shell scripts.
-if [ -d /etc/X11/xinit/xinitrc.d ]; then
-  for i in /etc/X11/xinit/xinitrc.d/* ; do
-  if [ -x "$i" ]; then
-    . "$i"
-  fi
-  done
-fi
-
-# Load Xsession scripts
-# OPTIONFILE, USERXSESSION, USERXSESSIONRC and ALTUSERXSESSION are required
-# by the scripts to work
-xsessionddir="/etc/X11/Xsession.d"
-OPTIONFILE=/etc/X11/Xsession.options
-USERXSESSION=$HOME/.xsession
-USERXSESSIONRC=$HOME/.xsessionrc
-ALTUSERXSESSION=$HOME/.Xsession
-
-if [ -d "$xsessionddir" ]; then
-    for i in `ls $xsessionddir`; do
-        script="$xsessionddir/$i"
-        echo "Loading X session script $script"
-        if [ -r "$script"  -a -f "$script" ] && expr "$i" : '^[[:alnum:]_-]\+$' > /dev/null; then
-            . "$script"
-        fi
-    done
-fi
-
-if [ -d /etc/X11/Xresources ]; then
-  for i in /etc/X11/Xresources/*; do
-    [ -f $i ] && xrdb -merge $i
-  done
-elif [ -f /etc/X11/Xresources ]; then
-  xrdb -merge /etc/X11/Xresources
-fi
-[ -f $HOME/.Xresources ] && xrdb -merge $HOME/.Xresources
-[ -f $XDG_CONFIG_HOME/X11/Xresources ] && xrdb -merge $XDG_CONFIG_HOME/X11/Xresources
-
-if [ -f "$USERXSESSION" ]; then
-  . "$USERXSESSION"
-fi
-
-if [ -z "$*" ]; then
-    exec xmessage -center -buttons OK:0 -default OK "Sorry, $DESKTOP_SESSION is no valid session."
-else
-    exec $@
-fi

src/SharedError.zig

@@ -0,0 +1,39 @@
+const std = @import("std");
+
+const ErrInt = std.meta.Int(.unsigned, @bitSizeOf(anyerror));
+
+const ErrorHandler = packed struct {
+    has_error: bool = false,
+    err_int: ErrInt = 0,
+};
+
+const SharedError = @This();
+
+data: []align(std.mem.page_size) u8,
+
+pub fn init() !SharedError {
+    const data = try std.posix.mmap(null, @sizeOf(ErrorHandler), std.posix.PROT.READ | std.posix.PROT.WRITE, .{ .TYPE = .SHARED, .ANONYMOUS = true }, -1, 0);
+
+    return .{ .data = data };
+}
+
+pub fn deinit(self: *SharedError) void {
+    std.posix.munmap(self.data);
+}
+
+pub fn writeError(self: SharedError, err: anyerror) void {
+    var buf_stream = std.io.fixedBufferStream(self.data);
+    const writer = buf_stream.writer();
+    writer.writeStruct(ErrorHandler{ .has_error = true, .err_int = @intFromError(err) }) catch {};
+}
+
+pub fn readError(self: SharedError) ?anyerror {
+    var buf_stream = std.io.fixedBufferStream(self.data);
+    const reader = buf_stream.reader();
+    const err_handler = try reader.readStruct(ErrorHandler);
+
+    if (err_handler.has_error)
+        return @errorFromInt(err_handler.err_int);
+
+    return null;
+}

src/animations/Doom.zig

@@ -0,0 +1,92 @@
+const std = @import("std");
+const Allocator = std.mem.Allocator;
+const TerminalBuffer = @import("../tui/TerminalBuffer.zig");
+const utils = @import("../tui/utils.zig");
+
+const interop = @import("../interop.zig");
+const termbox = interop.termbox;
+
+const Doom = @This();
+
+pub const STEPS = 13;
+pub const FIRE = [_]utils.Cell{
+    utils.initCell(' ', 9, 0),
+    utils.initCell(0x2591, 2, 0), // Red
+    utils.initCell(0x2592, 2, 0), // Red
+    utils.initCell(0x2593, 2, 0), // Red
+    utils.initCell(0x2588, 2, 0), // Red
+    utils.initCell(0x2591, 4, 2), // Yellow
+    utils.initCell(0x2592, 4, 2), // Yellow
+    utils.initCell(0x2593, 4, 2), // Yellow
+    utils.initCell(0x2588, 4, 2), // Yellow
+    utils.initCell(0x2591, 8, 4), // White
+    utils.initCell(0x2592, 8, 4), // White
+    utils.initCell(0x2593, 8, 4), // White
+    utils.initCell(0x2588, 8, 4), // White
+};
+
+allocator: Allocator,
+terminal_buffer: *TerminalBuffer,
+buffer: []u8,
+
+pub fn init(allocator: Allocator, terminal_buffer: *TerminalBuffer) !Doom {
+    const buffer = try allocator.alloc(u8, terminal_buffer.width * terminal_buffer.height);
+    initBuffer(buffer, terminal_buffer.width);
+
+    return .{
+        .allocator = allocator,
+        .terminal_buffer = terminal_buffer,
+        .buffer = buffer,
+    };
+}
+
+pub fn deinit(self: Doom) void {
+    self.allocator.free(self.buffer);
+}
+
+pub fn realloc(self: *Doom) !void {
+    const buffer = try self.allocator.realloc(self.buffer, self.terminal_buffer.width * self.terminal_buffer.height);
+    initBuffer(buffer, self.terminal_buffer.width);
+    self.buffer = buffer;
+}
+
+pub fn draw(self: Doom) void {
+    for (0..self.terminal_buffer.width) |x| {
+        for (1..self.terminal_buffer.height) |y| {
+            const source = y * self.terminal_buffer.width + x;
+            const random = (self.terminal_buffer.random.int(u16) % 7) & 3;
+
+            var dest = (source - @min(source, random)) + 1;
+            if (self.terminal_buffer.width > dest) dest = 0 else dest -= self.terminal_buffer.width;
+
+            const buffer_source = self.buffer[source];
+            const buffer_dest_offset = random & 1;
+
+            if (buffer_source < buffer_dest_offset) continue;
+
+            var buffer_dest = buffer_source - buffer_dest_offset;
+            if (buffer_dest > 12) buffer_dest = 0;
+            self.buffer[dest] = @intCast(buffer_dest);
+
+            self.terminal_buffer.buffer[dest] = toTermboxCell(FIRE[buffer_dest]);
+            self.terminal_buffer.buffer[source] = toTermboxCell(FIRE[buffer_source]);
+        }
+    }
+}
+
+fn initBuffer(buffer: []u8, width: usize) void {
+    const length = buffer.len - width;
+    const slice_start = buffer[0..length];
+    const slice_end = buffer[length..];
+
+    @memset(slice_start, 0);
+    @memset(slice_end, STEPS - 1);
+}
+
+fn toTermboxCell(cell: utils.Cell) termbox.tb_cell {
+    return .{
+        .ch = cell.ch,
+        .fg = cell.fg,
+        .bg = cell.bg,
+    };
+}

src/animations/Matrix.zig

@@ -0,0 +1,184 @@
+const std = @import("std");
+const Allocator = std.mem.Allocator;
+const Random = std.rand.Random;
+const TerminalBuffer = @import("../tui/TerminalBuffer.zig");
+
+const interop = @import("../interop.zig");
+const termbox = interop.termbox;
+
+pub const FRAME_DELAY: u64 = 8;
+
+// Allowed codepoints
+pub const MIN_CODEPOINT: isize = 33;
+pub const MAX_CODEPOINT: isize = 123 - MIN_CODEPOINT;
+
+// Characters change mid-scroll
+pub const MID_SCROLL_CHANGE = true;
+
+const Matrix = @This();
+
+pub const Dot = struct {
+    value: isize,
+    is_head: bool,
+};
+
+pub const Line = struct {
+    space: isize,
+    length: isize,
+    update: isize,
+};
+
+allocator: Allocator,
+terminal_buffer: *TerminalBuffer,
+dots: []Dot,
+lines: []Line,
+frame: u64,
+count: u64,
+fg_ini: u16,
+
+pub fn init(allocator: Allocator, terminal_buffer: *TerminalBuffer, fg_ini: u16) !Matrix {
+    const dots = try allocator.alloc(Dot, terminal_buffer.width * (terminal_buffer.height + 1));
+    const lines = try allocator.alloc(Line, terminal_buffer.width);
+
+    initBuffers(dots, lines, terminal_buffer.width, terminal_buffer.height, terminal_buffer.random);
+
+    return .{
+        .allocator = allocator,
+        .terminal_buffer = terminal_buffer,
+        .dots = dots,
+        .lines = lines,
+        .frame = 3,
+        .count = 0,
+        .fg_ini = fg_ini,
+    };
+}
+
+pub fn deinit(self: Matrix) void {
+    self.allocator.free(self.dots);
+    self.allocator.free(self.lines);
+}
+
+pub fn realloc(self: *Matrix) !void {
+    const dots = try self.allocator.realloc(self.dots, self.terminal_buffer.width * (self.terminal_buffer.height + 1));
+    const lines = try self.allocator.realloc(self.lines, self.terminal_buffer.width);
+
+    initBuffers(dots, lines, self.terminal_buffer.width, self.terminal_buffer.height, self.terminal_buffer.random);
+
+    self.dots = dots;
+    self.lines = lines;
+}
+
+pub fn draw(self: *Matrix) void {
+    const buf_height = self.terminal_buffer.height;
+    const buf_width = self.terminal_buffer.width;
+    self.count += 1;
+    if (self.count > FRAME_DELAY) {
+        self.frame += 1;
+        if (self.frame > 4) self.frame = 1;
+        self.count = 0;
+
+        var x: usize = 0;
+        while (x < self.terminal_buffer.width) : (x += 2) {
+            var tail: usize = 0;
+            var line = &self.lines[x];
+            if (self.frame <= line.update) continue;
+
+            if (self.dots[x].value == -1 and self.dots[self.terminal_buffer.width + x].value == ' ') {
+                if (line.space > 0) {
+                    line.space -= 1;
+                } else {
+                    const randint = self.terminal_buffer.random.int(i16);
+                    const h: isize = @intCast(self.terminal_buffer.height);
+                    line.length = @mod(randint, h - 3) + 3;
+                    self.dots[x].value = @mod(randint, MAX_CODEPOINT) + MIN_CODEPOINT;
+                    line.space = @mod(randint, h + 1);
+                }
+            }
+
+            var y: usize = 0;
+            var first_col = true;
+            var seg_len: u64 = 0;
+            height_it: while (y <= buf_height) : (y += 1) {
+                var dot = &self.dots[buf_width * y + x];
+                // Skip over spaces
+                while (y <= buf_height and (dot.value == ' ' or dot.value == -1)) {
+                    y += 1;
+                    if (y > buf_height) break :height_it;
+                    dot = &self.dots[buf_width * y + x];
+                }
+
+                // Find the head of this column
+                tail = y;
+                seg_len = 0;
+                while (y <= buf_height and dot.value != ' ' and dot.value != -1) {
+                    dot.is_head = false;
+                    if (MID_SCROLL_CHANGE) {
+                        const randint = self.terminal_buffer.random.int(i16);
+                        if (@mod(randint, 8) == 0) {
+                            dot.value = @mod(randint, MAX_CODEPOINT) + MIN_CODEPOINT;
+                        }
+                    }
+
+                    y += 1;
+                    seg_len += 1;
+                    // Head's down offscreen
+                    if (y > buf_height) {
+                        self.dots[buf_width * tail + x].value = ' ';
+                        break :height_it;
+                    }
+                    dot = &self.dots[buf_width * y + x];
+                }
+
+                const randint = self.terminal_buffer.random.int(i16);
+                dot.value = @mod(randint, MAX_CODEPOINT) + MIN_CODEPOINT;
+                dot.is_head = true;
+
+                if (seg_len > line.length or !first_col) {
+                    self.dots[buf_width * tail + x].value = ' ';
+                    self.dots[x].value = -1;
+                }
+                first_col = false;
+            }
+        }
+    }
+
+    var x: usize = 0;
+    while (x < buf_width) : (x += 2) {
+        var y: usize = 1;
+        while (y <= self.terminal_buffer.height) : (y += 1) {
+            const dot = self.dots[buf_width * y + x];
+
+            var fg = self.fg_ini;
+
+            if (dot.value == -1 or dot.value == ' ') {
+                _ = termbox.tb_set_cell(@intCast(x), @intCast(y - 1), ' ', fg, termbox.TB_DEFAULT);
+                continue;
+            }
+
+            if (dot.is_head) fg = @intCast(termbox.TB_WHITE | termbox.TB_BOLD);
+            _ = termbox.tb_set_cell(@intCast(x), @intCast(y - 1), @intCast(dot.value), fg, termbox.TB_DEFAULT);
+        }
+    }
+}
+
+fn initBuffers(dots: []Dot, lines: []Line, width: usize, height: usize, random: Random) void {
+    var y: usize = 0;
+    while (y <= height) : (y += 1) {
+        var x: usize = 0;
+        while (x < width) : (x += 2) {
+            dots[y * width + x].value = -1;
+        }
+    }
+
+    var x: usize = 0;
+    while (x < width) : (x += 2) {
+        var line = lines[x];
+        const h: isize = @intCast(height);
+        line.space = @mod(random.int(i16), h) + 1;
+        line.length = @mod(random.int(i16), h - 3) + 3;
+        line.update = @mod(random.int(i16), 3) + 1;
+        lines[x] = line;
+
+        dots[width + x].value = ' ';
+    }
+}

src/auth.zig

@@ -0,0 +1,599 @@
+const std = @import("std");
+const build_options = @import("build_options");
+const builtin = @import("builtin");
+const enums = @import("enums.zig");
+const interop = @import("interop.zig");
+const TerminalBuffer = @import("tui/TerminalBuffer.zig");
+const Session = @import("tui/components/Session.zig");
+const Text = @import("tui/components/Text.zig");
+const Config = @import("config/Config.zig");
+const Allocator = std.mem.Allocator;
+const Md5 = std.crypto.hash.Md5;
+const utmp = interop.utmp;
+const Utmp = utmp.utmpx;
+const SharedError = @import("SharedError.zig");
+
+// When setting the currentLogin you must deallocate the previous currentLogin first
+pub var currentLogin: ?[:0]const u8 = null;
+pub var asyncPamHandle: ?*interop.pam.pam_handle = null;
+pub var current_environment: ?Session.Environment = null;
+
+fn environment_equals(e0: Session.Environment, e1: Session.Environment) bool {
+    if (!std.mem.eql(u8, e0.cmd, e1.cmd)) {
+        return false;
+    }
+    if (!std.mem.eql(u8, e0.name, e1.name)) {
+        return false;
+    }
+    if (!std.mem.eql(u8, e0.specifier, e1.specifier)) {
+        return false;
+    }
+    if (!(e0.xdg_desktop_names == null and e1.xdg_desktop_names == null) or
+        (e0.xdg_desktop_names != null and e1.xdg_desktop_names != null and !std.mem.eql(u8, e0.xdg_desktop_names.?, e1.xdg_desktop_names.?)))
+    {
+        return false;
+    }
+    if (!(e0.xdg_session_desktop == null and e1.xdg_session_desktop == null) or
+        (e0.xdg_session_desktop != null and e1.xdg_session_desktop != null and !std.mem.eql(u8, e0.xdg_session_desktop.?, e1.xdg_session_desktop.?)))
+    {
+        return false;
+    }
+    if (e0.display_server != e1.display_server) {
+        return false;
+    }
+    return true;
+}
+
+pub fn automaticLogin(config: Config, login: [:0]const u8, environment: Session.Environment, wakesem: *std.Thread.Semaphore) !void {
+    while (asyncPamHandle == null and currentLogin != null and std.mem.eql(u8, currentLogin.?, login)) {
+        if (authenticate(config, login, "", environment)) |handle| {
+            if (currentLogin != null and !std.mem.eql(u8, currentLogin.?, login) and environment_equals(current_environment.?, environment)) {
+                return;
+            }
+            asyncPamHandle = handle;
+            wakesem.post();
+            return;
+        } else |_| {}
+    }
+}
+
+pub fn startAutomaticLogin(allocator: std.mem.Allocator, config: Config, login: Text, environment: Session.Environment, wakesem: *std.Thread.Semaphore) !void {
+    if (currentLogin) |clogin| {
+        allocator.free(clogin);
+        currentLogin = null;
+    }
+    const login_text = try allocator.dupeZ(u8, login.text.items);
+    currentLogin = login_text;
+    var handle = try std.Thread.spawn(.{}, automaticLogin, .{
+        config,
+        login_text,
+        environment,
+        wakesem,
+    });
+    handle.detach();
+}
+
+var xorg_pid: std.posix.pid_t = 0;
+pub fn xorgSignalHandler(i: c_int) callconv(.C) void {
+    if (xorg_pid > 0) _ = std.c.kill(xorg_pid, i);
+}
+
+var child_pid: std.posix.pid_t = 0;
+pub fn sessionSignalHandler(i: c_int) callconv(.C) void {
+    if (child_pid > 0) _ = std.c.kill(child_pid, i);
+}
+
+pub fn authenticate(
+    config: Config,
+    login: [:0]const u8,
+    password: [:0]const u8,
+    environment: Session.Environment,
+) !*interop.pam.pam_handle {
+    var pam_tty_buffer: [6]u8 = undefined;
+    const pam_tty_str = try std.fmt.bufPrintZ(&pam_tty_buffer, "tty{d}", .{config.tty});
+    var tty_buffer: [2]u8 = undefined;
+    const tty_str = try std.fmt.bufPrintZ(&tty_buffer, "{d}", .{config.tty});
+
+    // Set the XDG environment variables
+    setXdgSessionEnv(environment.display_server);
+    try setXdgEnv(tty_str, environment.xdg_session_desktop orelse "", environment.xdg_desktop_names orelse "");
+
+    // Open the PAM session
+    var credentials = [_:null]?[*:0]const u8{ login, password };
+
+    const conv = interop.pam.pam_conv{
+        .conv = loginConv,
+        .appdata_ptr = @ptrCast(&credentials),
+    };
+    var handle: ?*interop.pam.pam_handle = undefined;
+
+    // Do the PAM routine
+    var status = interop.pam.pam_start(config.service_name, null, &conv, &handle);
+    if (status != interop.pam.PAM_SUCCESS) return pamDiagnose(status);
+    errdefer _ = interop.pam.pam_end(handle, status);
+
+    // Set PAM_TTY as the current TTY. This is required in case it isn't being set by another PAM module
+    status = interop.pam.pam_set_item(handle, interop.pam.PAM_TTY, pam_tty_str.ptr);
+    if (status != interop.pam.PAM_SUCCESS) return pamDiagnose(status);
+
+    status = interop.pam.pam_authenticate(handle, 0);
+    if (status != interop.pam.PAM_SUCCESS) return pamDiagnose(status);
+
+    status = interop.pam.pam_acct_mgmt(handle, 0);
+    if (status != interop.pam.PAM_SUCCESS) return pamDiagnose(status);
+
+    status = interop.pam.pam_setcred(handle, interop.pam.PAM_ESTABLISH_CRED);
+    errdefer _ = interop.pam.pam_end(handle, status);
+
+    if (status != interop.pam.PAM_SUCCESS) return pamDiagnose(status);
+    return handle.?;
+}
+
+pub fn finaliseAuth(config: Config, environment: Session.Environment, handle: ?*interop.pam.pam_handle, login: [:0]const u8) !void {
+    var status: c_int = undefined;
+    defer status = interop.pam.pam_end(handle, status);
+    defer status = interop.pam.pam_setcred(handle, interop.pam.PAM_DELETE_CRED);
+
+    // Open the PAM session
+    status = interop.pam.pam_open_session(handle, 0);
+    if (status != interop.pam.PAM_SUCCESS) return pamDiagnose(status);
+    defer status = interop.pam.pam_close_session(handle, status);
+
+    var pwd: *interop.pwd.passwd = undefined;
+    {
+        defer interop.pwd.endpwent();
+
+        // Get password structure from username
+        pwd = interop.pwd.getpwnam(login) orelse return error.GetPasswordNameFailed;
+    }
+
+    // Set user shell if it hasn't already been set
+    if (pwd.pw_shell == null) {
+        interop.unistd.setusershell();
+        pwd.pw_shell = interop.unistd.getusershell();
+        interop.unistd.endusershell();
+    }
+
+    var shared_err = try SharedError.init();
+    defer shared_err.deinit();
+
+    child_pid = try std.posix.fork();
+    if (child_pid == 0) {
+        startSession(config, pwd, handle, environment) catch |e| {
+            shared_err.writeError(e);
+            std.process.exit(1);
+        };
+        std.process.exit(0);
+    }
+
+    var entry = std.mem.zeroes(Utmp);
+
+    {
+        // If an error occurs here, we can send SIGTERM to the session
+        errdefer cleanup: {
+            _ = std.posix.kill(child_pid, std.posix.SIG.TERM) catch break :cleanup;
+            _ = std.posix.waitpid(child_pid, 0);
+        }
+
+        // If we receive SIGTERM, forward it to child_pid
+        const act = std.posix.Sigaction{
+            .handler = .{ .handler = &sessionSignalHandler },
+            .mask = std.posix.empty_sigset,
+            .flags = 0,
+        };
+        try std.posix.sigaction(std.posix.SIG.TERM, &act, null);
+
+        try addUtmpEntry(&entry, pwd.pw_name.?, child_pid);
+    }
+    // Wait for the session to stop
+    _ = std.posix.waitpid(child_pid, 0);
+
+    removeUtmpEntry(&entry);
+
+    if (shared_err.readError()) |err| return err;
+}
+
+fn startSession(
+    config: Config,
+    pwd: *interop.pwd.passwd,
+    handle: ?*interop.pam.pam_handle,
+    environment: Session.Environment,
+) !void {
+    if (builtin.os.tag == .freebsd) {
+        // FreeBSD has initgroups() in unistd
+        const status = interop.unistd.initgroups(pwd.pw_name, pwd.pw_gid);
+        if (status != 0) return error.GroupInitializationFailed;
+
+        // FreeBSD sets the GID and UID with setusercontext()
+        const result = interop.pwd.setusercontext(null, pwd, pwd.pw_uid, interop.pwd.LOGIN_SETALL);
+        if (result != 0) return error.SetUserUidFailed;
+    } else {
+        const status = interop.grp.initgroups(pwd.pw_name, pwd.pw_gid);
+        if (status != 0) return error.GroupInitializationFailed;
+
+        std.posix.setgid(pwd.pw_gid) catch return error.SetUserGidFailed;
+        std.posix.setuid(pwd.pw_uid) catch return error.SetUserUidFailed;
+    }
+
+    // Set up the environment
+    try initEnv(pwd, config.path);
+
+    // Set the PAM variables
+    const pam_env_vars: ?[*:null]?[*:0]u8 = interop.pam.pam_getenvlist(handle);
+    if (pam_env_vars == null) return error.GetEnvListFailed;
+
+    const env_list = std.mem.span(pam_env_vars.?);
+    for (env_list) |env_var| _ = interop.stdlib.putenv(env_var);
+
+    // Change to the user's home directory
+    std.posix.chdirZ(pwd.pw_dir.?) catch return error.ChangeDirectoryFailed;
+
+    // Execute what the user requested
+    switch (environment.display_server) {
+        .wayland => try executeWaylandCmd(pwd.pw_shell.?, config, environment.cmd),
+        .shell => try executeShellCmd(pwd.pw_shell.?, config),
+        .xinitrc, .x11 => if (build_options.enable_x11_support) {
+            var vt_buf: [5]u8 = undefined;
+            const vt = try std.fmt.bufPrint(&vt_buf, "vt{d}", .{config.tty});
+            try executeX11Cmd(pwd.pw_shell.?, pwd.pw_dir.?, config, environment.cmd, vt);
+        },
+    }
+}
+
+fn initEnv(pwd: *interop.pwd.passwd, path_env: ?[:0]const u8) !void {
+    _ = interop.stdlib.setenv("HOME", pwd.pw_dir, 1);
+    _ = interop.stdlib.setenv("PWD", pwd.pw_dir, 1);
+    _ = interop.stdlib.setenv("SHELL", pwd.pw_shell, 1);
+    _ = interop.stdlib.setenv("USER", pwd.pw_name, 1);
+    _ = interop.stdlib.setenv("LOGNAME", pwd.pw_name, 1);
+
+    if (path_env) |path| {
+        const status = interop.stdlib.setenv("PATH", path, 1);
+        if (status != 0) return error.SetPathFailed;
+    }
+}
+
+fn setXdgSessionEnv(display_server: enums.DisplayServer) void {
+    _ = interop.stdlib.setenv("XDG_SESSION_TYPE", switch (display_server) {
+        .wayland => "wayland",
+        .shell => "tty",
+        .xinitrc, .x11 => "x11",
+    }, 0);
+}
+
+fn setXdgEnv(tty_str: [:0]u8, desktop_name: [:0]const u8, xdg_desktop_names: [:0]const u8) !void {
+    // The "/run/user/%d" directory is not available on FreeBSD. It is much
+    // better to stick to the defaults and let applications using
+    // XDG_RUNTIME_DIR to fall back to directories inside user's home
+    // directory.
+    if (builtin.os.tag != .freebsd) {
+        const uid = interop.unistd.getuid();
+        var uid_buffer: [10 + @sizeOf(u32) + 1]u8 = undefined;
+        const uid_str = try std.fmt.bufPrintZ(&uid_buffer, "/run/user/{d}", .{uid});
+
+        _ = interop.stdlib.setenv("XDG_RUNTIME_DIR", uid_str, 0);
+    }
+
+    _ = interop.stdlib.setenv("XDG_CURRENT_DESKTOP", xdg_desktop_names, 0);
+    _ = interop.stdlib.setenv("XDG_SESSION_CLASS", "user", 0);
+    _ = interop.stdlib.setenv("XDG_SESSION_ID", "1", 0);
+    _ = interop.stdlib.setenv("XDG_SESSION_DESKTOP", desktop_name, 0);
+    _ = interop.stdlib.setenv("XDG_SEAT", "seat0", 0);
+    _ = interop.stdlib.setenv("XDG_VTNR", tty_str, 0);
+}
+
+fn loginConv(
+    num_msg: c_int,
+    msg: ?[*]?*const interop.pam.pam_message,
+    resp: ?*?[*]interop.pam.pam_response,
+    appdata_ptr: ?*anyopaque,
+) callconv(.C) c_int {
+    const message_count: u32 = @intCast(num_msg);
+    const messages = msg.?;
+
+    const allocator = std.heap.c_allocator;
+    const response = allocator.alloc(interop.pam.pam_response, message_count) catch return interop.pam.PAM_BUF_ERR;
+
+    // Initialise allocated memory to 0
+    // This ensures memory can be freed by pam on success
+    @memset(response, std.mem.zeroes(interop.pam.pam_response));
+
+    var username: ?[:0]u8 = null;
+    var password: ?[:0]u8 = null;
+    var status: c_int = interop.pam.PAM_SUCCESS;
+
+    for (0..message_count) |i| set_credentials: {
+        switch (messages[i].?.msg_style) {
+            interop.pam.PAM_PROMPT_ECHO_ON => {
+                const data: [*][*:0]u8 = @ptrCast(@alignCast(appdata_ptr));
+                username = allocator.dupeZ(u8, std.mem.span(data[0])) catch {
+                    status = interop.pam.PAM_BUF_ERR;
+                    break :set_credentials;
+                };
+                response[i].resp = username.?;
+            },
+            interop.pam.PAM_PROMPT_ECHO_OFF => {
+                const data: [*][*:0]u8 = @ptrCast(@alignCast(appdata_ptr));
+                password = allocator.dupeZ(u8, std.mem.span(data[1])) catch {
+                    status = interop.pam.PAM_BUF_ERR;
+                    break :set_credentials;
+                };
+                response[i].resp = password.?;
+            },
+            interop.pam.PAM_ERROR_MSG => {
+                status = interop.pam.PAM_CONV_ERR;
+                break :set_credentials;
+            },
+            else => {},
+        }
+    }
+
+    if (status != interop.pam.PAM_SUCCESS) {
+        // Memory is freed by pam otherwise
+        allocator.free(response);
+        if (username != null) allocator.free(username.?);
+        if (password != null) allocator.free(password.?);
+    } else {
+        resp.?.* = response.ptr;
+    }
+
+    return status;
+}
+
+fn getFreeDisplay() !u8 {
+    var buf: [15]u8 = undefined;
+    var i: u8 = 0;
+    while (i < 200) : (i += 1) {
+        const xlock = try std.fmt.bufPrint(&buf, "/tmp/.X{d}-lock", .{i});
+        std.posix.access(xlock, std.posix.F_OK) catch break;
+    }
+    return i;
+}
+
+fn getXPid(display_num: u8) !i32 {
+    var buf: [15]u8 = undefined;
+    const file_name = try std.fmt.bufPrint(&buf, "/tmp/.X{d}-lock", .{display_num});
+    const file = try std.fs.openFileAbsolute(file_name, .{});
+    defer file.close();
+
+    var file_buf: [20]u8 = undefined;
+    var fbs = std.io.fixedBufferStream(&file_buf);
+
+    _ = try file.reader().streamUntilDelimiter(fbs.writer(), '\n', 20);
+    const line = fbs.getWritten();
+
+    return std.fmt.parseInt(i32, std.mem.trim(u8, line, " "), 10);
+}
+
+fn createXauthFile(pwd: [:0]const u8) ![:0]const u8 {
+    var xauth_buf: [100]u8 = undefined;
+    var xauth_dir: [:0]const u8 = undefined;
+    const xdg_rt_dir = std.posix.getenv("XDG_RUNTIME_DIR");
+    var xauth_file: []const u8 = "lyxauth";
+
+    if (xdg_rt_dir == null) {
+        const xdg_cfg_home = std.posix.getenv("XDG_CONFIG_HOME");
+        var sb: std.c.Stat = undefined;
+        if (xdg_cfg_home == null) {
+            xauth_dir = try std.fmt.bufPrintZ(&xauth_buf, "{s}/.config", .{pwd});
+            _ = std.c.stat(xauth_dir, &sb);
+            const mode = sb.mode & std.posix.S.IFMT;
+            if (mode == std.posix.S.IFDIR) {
+                xauth_dir = try std.fmt.bufPrintZ(&xauth_buf, "{s}/ly", .{xauth_dir});
+            } else {
+                xauth_dir = pwd;
+                xauth_file = ".lyxauth";
+            }
+        } else {
+            xauth_dir = try std.fmt.bufPrintZ(&xauth_buf, "{s}/ly", .{xdg_cfg_home.?});
+        }
+
+        _ = std.c.stat(xauth_dir, &sb);
+        const mode = sb.mode & std.posix.S.IFMT;
+        if (mode != std.posix.S.IFDIR) {
+            std.posix.mkdir(xauth_dir, 777) catch {
+                xauth_dir = pwd;
+                xauth_file = ".lyxauth";
+            };
+        }
+    } else {
+        xauth_dir = xdg_rt_dir.?;
+    }
+
+    // Trim trailing slashes
+    var i = xauth_dir.len - 1;
+    while (xauth_dir[i] == '/') i -= 1;
+    const trimmed_xauth_dir = xauth_dir[0 .. i + 1];
+
+    var buf: [256]u8 = undefined;
+    const xauthority: [:0]u8 = try std.fmt.bufPrintZ(&buf, "{s}/{s}", .{ trimmed_xauth_dir, xauth_file });
+    const file = try std.fs.createFileAbsoluteZ(xauthority, .{});
+    file.close();
+
+    return xauthority;
+}
+
+fn mcookie() [Md5.digest_length * 2]u8 {
+    var buf: [4096]u8 = undefined;
+    std.crypto.random.bytes(&buf);
+
+    var out: [Md5.digest_length]u8 = undefined;
+    Md5.hash(&buf, &out, .{});
+
+    return std.fmt.bytesToHex(&out, .lower);
+}
+
+fn xauth(display_name: [:0]u8, shell: [*:0]const u8, pw_dir: [*:0]const u8, config: Config) !void {
+    var pwd_buf: [100]u8 = undefined;
+    const pwd = try std.fmt.bufPrintZ(&pwd_buf, "{s}", .{pw_dir});
+
+    const xauthority = try createXauthFile(pwd);
+    _ = interop.stdlib.setenv("XAUTHORITY", xauthority, 1);
+    _ = interop.stdlib.setenv("DISPLAY", display_name, 1);
+
+    const magic_cookie = mcookie();
+
+    const pid = try std.posix.fork();
+    if (pid == 0) {
+        const log_file = try redirectStandardStreams(config.session_log, true);
+        defer log_file.close();
+
+        var cmd_buffer: [1024]u8 = undefined;
+        const cmd_str = std.fmt.bufPrintZ(&cmd_buffer, "{s} add {s} . {s}", .{ config.xauth_cmd, display_name, magic_cookie }) catch std.process.exit(1);
+        const args = [_:null]?[*:0]const u8{ shell, "-c", cmd_str };
+        std.posix.execveZ(shell, &args, std.c.environ) catch {};
+        std.process.exit(1);
+    }
+
+    const status = std.posix.waitpid(pid, 0);
+    if (status.status != 0) return error.XauthFailed;
+}
+
+fn executeShellCmd(shell: [*:0]const u8, config: Config) !void {
+    // We don't want to redirect stdout and stderr in a shell session
+
+    var cmd_buffer: [1024]u8 = undefined;
+    const cmd_str = try std.fmt.bufPrintZ(&cmd_buffer, "{s} {s} {s}", .{ config.setup_cmd, config.login_cmd orelse "", shell });
+    const args = [_:null]?[*:0]const u8{ shell, "-c", cmd_str };
+    return std.posix.execveZ(shell, &args, std.c.environ);
+}
+
+fn executeWaylandCmd(shell: [*:0]const u8, config: Config, desktop_cmd: []const u8) !void {
+    const log_file = try redirectStandardStreams(config.session_log, true);
+    defer log_file.close();
+
+    var cmd_buffer: [1024]u8 = undefined;
+    const cmd_str = try std.fmt.bufPrintZ(&cmd_buffer, "{s} {s} {s}", .{ config.setup_cmd, config.login_cmd orelse "", desktop_cmd });
+    const args = [_:null]?[*:0]const u8{ shell, "-c", cmd_str };
+    return std.posix.execveZ(shell, &args, std.c.environ);
+}
+
+fn executeX11Cmd(shell: [*:0]const u8, pw_dir: [*:0]const u8, config: Config, desktop_cmd: []const u8, vt: []const u8) !void {
+    const display_num = try getFreeDisplay();
+    var buf: [5]u8 = undefined;
+    const display_name = try std.fmt.bufPrintZ(&buf, ":{d}", .{display_num});
+    try xauth(display_name, shell, pw_dir, config);
+
+    const pid = try std.posix.fork();
+    if (pid == 0) {
+        var cmd_buffer: [1024]u8 = undefined;
+        const cmd_str = std.fmt.bufPrintZ(&cmd_buffer, "{s} {s} {s} >{s} 2>&1", .{ config.x_cmd, display_name, vt, config.session_log }) catch std.process.exit(1);
+        const args = [_:null]?[*:0]const u8{ shell, "-c", cmd_str };
+        std.posix.execveZ(shell, &args, std.c.environ) catch {};
+        std.process.exit(1);
+    }
+
+    var ok: c_int = undefined;
+    var xcb: ?*interop.xcb.xcb_connection_t = null;
+    while (ok != 0) {
+        xcb = interop.xcb.xcb_connect(null, null);
+        ok = interop.xcb.xcb_connection_has_error(xcb);
+        std.posix.kill(pid, 0) catch |e| {
+            if (e == error.ProcessNotFound and ok != 0) return error.XcbConnectionFailed;
+        };
+    }
+
+    // X Server detaches from the process.
+    // PID can be fetched from /tmp/X{d}.lock
+    const x_pid = try getXPid(display_num);
+
+    xorg_pid = try std.posix.fork();
+    if (xorg_pid == 0) {
+        var cmd_buffer: [1024]u8 = undefined;
+        const cmd_str = std.fmt.bufPrintZ(&cmd_buffer, "{s} {s} {s} >{s} 2>&1", .{ config.setup_cmd, config.login_cmd orelse "", desktop_cmd, config.session_log }) catch std.process.exit(1);
+        const args = [_:null]?[*:0]const u8{ shell, "-c", cmd_str };
+        std.posix.execveZ(shell, &args, std.c.environ) catch {};
+        std.process.exit(1);
+    }
+
+    // If we receive SIGTERM, clean up by killing the xorg_pid process
+    const act = std.posix.Sigaction{
+        .handler = .{ .handler = &xorgSignalHandler },
+        .mask = std.posix.empty_sigset,
+        .flags = 0,
+    };
+    try std.posix.sigaction(std.posix.SIG.TERM, &act, null);
+
+    _ = std.posix.waitpid(xorg_pid, 0);
+    interop.xcb.xcb_disconnect(xcb);
+
+    std.posix.kill(x_pid, 0) catch return;
+    std.posix.kill(x_pid, std.posix.SIG.TERM) catch {};
+
+    var status: c_int = 0;
+    _ = std.c.waitpid(x_pid, &status, 0);
+}
+
+fn redirectStandardStreams(session_log: []const u8, create: bool) !std.fs.File {
+    const log_file = if (create) (try std.fs.cwd().createFile(session_log, .{ .mode = 0o666 })) else (try std.fs.cwd().openFile(session_log, .{ .mode = .read_write }));
+
+    try std.posix.dup2(std.posix.STDOUT_FILENO, std.posix.STDERR_FILENO);
+    try std.posix.dup2(log_file.handle, std.posix.STDOUT_FILENO);
+
+    return log_file;
+}
+
+fn addUtmpEntry(entry: *Utmp, username: [*:0]const u8, pid: c_int) !void {
+    entry.ut_type = utmp.USER_PROCESS;
+    entry.ut_pid = pid;
+
+    var buf: [4096]u8 = undefined;
+    const ttyname = try std.os.getFdPath(std.posix.STDIN_FILENO, &buf);
+
+    var ttyname_buf: [@sizeOf(@TypeOf(entry.ut_line))]u8 = undefined;
+    _ = try std.fmt.bufPrintZ(&ttyname_buf, "{s}", .{ttyname["/dev/".len..]});
+
+    entry.ut_line = ttyname_buf;
+    entry.ut_id = ttyname_buf["tty".len..7].*;
+
+    var username_buf: [@sizeOf(@TypeOf(entry.ut_user))]u8 = undefined;
+    _ = try std.fmt.bufPrintZ(&username_buf, "{s}", .{username});
+
+    entry.ut_user = username_buf;
+
+    var host: [@sizeOf(@TypeOf(entry.ut_host))]u8 = undefined;
+    host[0] = 0;
+    entry.ut_host = host;
+
+    var tv: interop.system_time.timeval = undefined;
+    _ = interop.system_time.gettimeofday(&tv, null);
+
+    entry.ut_tv = .{
+        .tv_sec = @intCast(tv.tv_sec),
+        .tv_usec = @intCast(tv.tv_usec),
+    };
+    entry.ut_addr_v6[0] = 0;
+
+    utmp.setutxent();
+    _ = utmp.pututxline(entry);
+    utmp.endutxent();
+}
+
+fn removeUtmpEntry(entry: *Utmp) void {
+    entry.ut_type = utmp.DEAD_PROCESS;
+    entry.ut_line[0] = 0;
+    entry.ut_user[0] = 0;
+    utmp.setutxent();
+    _ = utmp.pututxline(entry);
+    utmp.endutxent();
+}
+
+fn pamDiagnose(status: c_int) anyerror {
+    return switch (status) {
+        interop.pam.PAM_ACCT_EXPIRED => return error.PamAccountExpired,
+        interop.pam.PAM_AUTH_ERR => return error.PamAuthError,
+        interop.pam.PAM_AUTHINFO_UNAVAIL => return error.PamAuthInfoUnavailable,
+        interop.pam.PAM_BUF_ERR => return error.PamBufferError,
+        interop.pam.PAM_CRED_ERR => return error.PamCredentialsError,
+        interop.pam.PAM_CRED_EXPIRED => return error.PamCredentialsExpired,
+        interop.pam.PAM_CRED_INSUFFICIENT => return error.PamCredentialsInsufficient,
+        interop.pam.PAM_CRED_UNAVAIL => return error.PamCredentialsUnavailable,
+        interop.pam.PAM_MAXTRIES => return error.PamMaximumTries,
+        interop.pam.PAM_NEW_AUTHTOK_REQD => return error.PamNewAuthTokenRequired,
+        interop.pam.PAM_PERM_DENIED => return error.PamPermissionDenied,
+        interop.pam.PAM_SESSION_ERR => return error.PamSessionError,
+        interop.pam.PAM_SYSTEM_ERR => return error.PamSystemError,
+        interop.pam.PAM_USER_UNKNOWN => return error.PamUserUnknown,
+        else => return error.PamAbort,
+    };
+}

src/bigclock.h

@@ -1,146 +0,0 @@
-#include <stdint.h>
-
-#define CLOCK_W 5
-#define CLOCK_H 5
-
-#if defined(__linux__) || defined(__FreeBSD__)
-	#define X 0x2593
-	#define _ 0x0000
-#else
-	#define X '#'
-	#define _ 0
-#endif
-
-#if CLOCK_W == 5 && CLOCK_H == 5
-
-uint32_t CLOCK_0[] = {
-	X,X,X,X,X,
-	X,X,_,X,X,
-	X,X,_,X,X,
-	X,X,_,X,X,
-	X,X,X,X,X
-};
-
-uint32_t CLOCK_1[] = {
-	_,_,_,X,X,
-	_,_,_,X,X,
-	_,_,_,X,X,
-	_,_,_,X,X,
-	_,_,_,X,X
-};
-
-uint32_t CLOCK_2[] = {
-	X,X,X,X,X,
-	_,_,_,X,X,
-	X,X,X,X,X,
-	X,X,_,_,_,
-	X,X,X,X,X
-};
-
-uint32_t CLOCK_3[] = {
-	X,X,X,X,X,
-	_,_,_,X,X,
-	X,X,X,X,X,
-	_,_,_,X,X,
-	X,X,X,X,X
-};
-
-uint32_t CLOCK_4[] = {
-	X,X,_,X,X,
-	X,X,_,X,X,
-	X,X,X,X,X,
-	_,_,_,X,X,
-	_,_,_,X,X
-};
-
-uint32_t CLOCK_5[] = {
-	X,X,X,X,X,
-	X,X,_,_,_,
-	X,X,X,X,X,
-	_,_,_,X,X,
-	X,X,X,X,X
-};
-
-uint32_t CLOCK_6[] = {
-	X,X,X,X,X,
-	X,X,_,_,_,
-	X,X,X,X,X,
-	X,X,_,X,X,
-	X,X,X,X,X,
-};
-
-uint32_t CLOCK_7[] = {
-	X,X,X,X,X,
-	_,_,_,X,X,
-	_,_,_,X,X,
-	_,_,_,X,X,
-	_,_,_,X,X
-};
-
-uint32_t CLOCK_8[] = {
-	X,X,X,X,X,
-	X,X,_,X,X,
-	X,X,X,X,X,
-	X,X,_,X,X,
-	X,X,X,X,X
-};
-
-uint32_t CLOCK_9[] = {
-	X,X,X,X,X,
-	X,X,_,X,X,
-	X,X,X,X,X,
-	_,_,_,X,X,
-	X,X,X,X,X
-};
-
-uint32_t CLOCK_S[] = {
-	_,_,_,_,_,
-	_,_,X,_,_,
-	_,_,_,_,_,
-	_,_,X,_,_,
-	_,_,_,_,_
-};
-
-uint32_t CLOCK_E[] = {
-	_,_,_,_,_,
-	_,_,_,_,_,
-	_,_,_,_,_,
-	_,_,_,_,_,
-	_,_,_,_,_
-};
-
-#endif
-
-#undef X
-#undef _
-
-static inline uint32_t* CLOCK_N(char c)
-{
-	switch(c)
-	{
-		case '0':
-			return CLOCK_0;
-		case '1':
-			return CLOCK_1;
-		case '2':
-			return CLOCK_2;
-		case '3':
-			return CLOCK_3;
-		case '4':
-			return CLOCK_4;
-		case '5':
-			return CLOCK_5;
-		case '6':
-			return CLOCK_6;
-		case '7':
-			return CLOCK_7;
-		case '8':
-			return CLOCK_8;
-		case '9':
-			return CLOCK_9;
-		case ':':
-			return CLOCK_S;
-		default:
-			return CLOCK_E;
-	}
-}

src/bigclock.zig

@@ -0,0 +1,58 @@
+const std = @import("std");
+const interop = @import("interop.zig");
+const utils = @import("tui/utils.zig");
+const enums = @import("enums.zig");
+const Lang  = @import("bigclock/Lang.zig");
+const en    = @import("bigclock/en.zig");
+const fa    = @import("bigclock/fa.zig");
+
+const termbox    = interop.termbox;
+const Bigclock   = enums.Bigclock;
+pub const WIDTH  = Lang.WIDTH;
+pub const HEIGHT = Lang.HEIGHT;
+pub const SIZE   = Lang.SIZE;
+
+pub fn clockCell(animate: bool, char: u8, fg: u16, bg: u16, bigclock: Bigclock) [SIZE]utils.Cell {
+    var cells: [SIZE]utils.Cell = undefined;
+
+    var tv: interop.system_time.timeval = undefined;
+    _ = interop.system_time.gettimeofday(&tv, null);
+
+    const clock_chars = toBigNumber(if (animate and char == ':' and @divTrunc(tv.tv_usec, 500000) != 0) ' ' else char, bigclock);
+    for (0..cells.len) |i| cells[i] = utils.initCell(clock_chars[i], fg, bg);
+
+    return cells;
+}
+
+pub fn alphaBlit(x: usize, y: usize, tb_width: usize, tb_height: usize, cells: [SIZE]utils.Cell) void {
+    if (x + WIDTH >= tb_width or y + HEIGHT >= tb_height) return;
+
+    for (0..HEIGHT) |yy| {
+        for (0..WIDTH) |xx| {
+            const cell = cells[yy * WIDTH + xx];
+            if (cell.ch != 0) utils.putCell(x + xx, y + yy, cell);
+        }
+    }
+}
+
+fn toBigNumber(char: u8, bigclock: Bigclock) []const u21 {
+    const locale_chars = switch (bigclock) {
+        .fa     => fa.locale_chars,
+        .en     => en.locale_chars,
+        .none   => unreachable,
+    };
+    return switch (char) {
+        '0' => &locale_chars.ZERO,
+        '1' => &locale_chars.ONE,
+        '2' => &locale_chars.TWO,
+        '3' => &locale_chars.THREE,
+        '4' => &locale_chars.FOUR,
+        '5' => &locale_chars.FIVE,
+        '6' => &locale_chars.SIX,
+        '7' => &locale_chars.SEVEN,
+        '8' => &locale_chars.EIGHT,
+        '9' => &locale_chars.NINE,
+        ':' => &locale_chars.S,
+        else => &locale_chars.E,
+    };
+}

src/bigclock/Lang.zig

@@ -0,0 +1,23 @@
+const builtin = @import("builtin");
+
+pub const WIDTH = 5;
+pub const HEIGHT = 5;
+pub const SIZE = WIDTH * HEIGHT;
+
+pub const X: u32 = if (builtin.os.tag == .linux or builtin.os.tag.isBSD()) 0x2593 else '#';
+pub const O: u32 = 0;
+
+pub const LocaleChars = struct {
+    ZERO:   [SIZE]u21,
+    ONE:    [SIZE]u21,
+    TWO:    [SIZE]u21,
+    THREE:  [SIZE]u21,
+    FOUR:   [SIZE]u21,
+    FIVE:   [SIZE]u21,
+    SIX:    [SIZE]u21,
+    SEVEN:  [SIZE]u21,
+    EIGHT:  [SIZE]u21,
+    NINE:   [SIZE]u21,
+    S:      [SIZE]u21,
+    E:      [SIZE]u21,
+};

src/bigclock/en.zig

@@ -0,0 +1,94 @@
+const Lang = @import("Lang.zig");
+
+const LocaleChars = Lang.LocaleChars;
+const X = Lang.X;
+const O = Lang.O;
+
+// zig fmt: off
+pub const locale_chars = LocaleChars{
+    .ZERO = [_]u21{
+        X,X,X,X,X,
+        X,X,O,X,X,
+        X,X,O,X,X,
+        X,X,O,X,X,
+        X,X,X,X,X,
+    },
+    .ONE = [_]u21{
+        O,O,O,X,X,
+        O,O,O,X,X,
+        O,O,O,X,X,
+        O,O,O,X,X,
+        O,O,O,X,X,
+    },
+    .TWO = [_]u21{
+        X,X,X,X,X,
+        O,O,O,X,X,
+        X,X,X,X,X,
+        X,X,O,O,O,
+        X,X,X,X,X,
+    },
+    .THREE = [_]u21{
+        X,X,X,X,X,
+        O,O,O,X,X,
+        X,X,X,X,X,
+        O,O,O,X,X,
+        X,X,X,X,X,
+    },
+    .FOUR = [_]u21{
+        X,X,O,X,X,
+        X,X,O,X,X,
+        X,X,X,X,X,
+        O,O,O,X,X,
+        O,O,O,X,X,
+    },
+    .FIVE = [_]u21{
+        X,X,X,X,X,
+        X,X,O,O,O,
+        X,X,X,X,X,
+        O,O,O,X,X,
+        X,X,X,X,X,
+    },
+    .SIX = [_]u21{
+        X,X,X,X,X,
+        X,X,O,O,O,
+        X,X,X,X,X,
+        X,X,O,X,X,
+        X,X,X,X,X,
+    },
+    .SEVEN = [_]u21{
+        X,X,X,X,X,
+        O,O,O,X,X,
+        O,O,O,X,X,
+        O,O,O,X,X,
+        O,O,O,X,X,
+    },
+    .EIGHT = [_]u21{
+        X,X,X,X,X,
+        X,X,O,X,X,
+        X,X,X,X,X,
+        X,X,O,X,X,
+        X,X,X,X,X,
+    },
+    .NINE = [_]u21{
+        X,X,X,X,X,
+        X,X,O,X,X,
+        X,X,X,X,X,
+        O,O,O,X,X,
+        X,X,X,X,X,
+    },
+    .S = [_]u21{
+        O,O,O,O,O,
+        O,O,X,O,O,
+        O,O,O,O,O,
+        O,O,X,O,O,
+        O,O,O,O,O,
+    },
+    .E = [_]u21{
+        O,O,O,O,O,
+        O,O,O,O,O,
+        O,O,O,O,O,
+        O,O,O,O,O,
+        O,O,O,O,O,
+    },
+};
+// zig fmt: on

src/bigclock/fa.zig

@@ -0,0 +1,94 @@
+const Lang = @import("Lang.zig");
+
+const LocaleChars = Lang.LocaleChars;
+const X = Lang.X;
+const O = Lang.O;
+
+// zig fmt: off
+pub const locale_chars = LocaleChars{
+    .ZERO = [_]u21{
+        O,O,O,O,O,
+        O,O,X,O,O,
+        O,X,O,X,O,
+        O,O,X,O,O,
+        O,O,O,O,O,
+    },
+    .ONE = [_]u21{
+        O,O,X,O,O,
+        O,X,X,O,O,
+        O,O,X,O,O,
+        O,O,X,O,O,
+        O,O,X,O,O,
+    },
+    .TWO = [_]u21{
+        O,X,O,X,O,
+        O,X,X,X,O,
+        O,X,O,O,O,
+        O,X,O,O,O,
+        O,X,O,O,O,
+    },
+    .THREE = [_]u21{
+        X,O,X,O,X,
+        X,X,X,X,X,
+        X,O,O,O,O,
+        X,O,O,O,O,
+        X,O,O,O,O,
+    },
+    .FOUR = [_]u21{
+        O,X,O,X,X,
+        O,X,X,O,O,
+        O,X,X,X,X,
+        O,X,O,O,O,
+        O,X,O,O,O,
+    },
+    .FIVE = [_]u21{
+        O,O,X,X,O,
+        O,X,O,O,X,
+        X,O,O,O,X,
+        X,O,X,O,X,
+        O,X,O,X,O,
+    },
+    .SIX = [_]u21{
+        O,X,X,O,O,
+        O,X,O,O,X,
+        O,O,X,O,O,
+        O,X,O,O,O,
+        X,O,O,O,O,
+    },
+    .SEVEN = [_]u21{
+        X,O,O,O,X,
+        X,O,O,O,X,
+        O,X,O,X,O,
+        O,X,O,X,O,
+        O,O,X,O,O,
+    },
+    .EIGHT = [_]u21{
+        O,O,O,X,O,
+        O,O,X,O,X,
+        O,O,X,O,X,
+        O,X,O,O,X,
+        O,X,O,O,X,
+    },
+    .NINE = [_]u21{
+        O,X,X,X,O,
+        O,X,O,X,O,
+        O,X,X,X,O,
+        O,O,O,X,O,
+        O,O,O,X,O,
+    },
+    .S = [_]u21{
+        O,O,O,O,O,
+        O,O,X,O,O,
+        O,O,O,O,O,
+        O,O,X,O,O,
+        O,O,O,O,O,
+    },
+    .E = [_]u21{
+        O,O,O,O,O,
+        O,O,O,O,O,
+        O,O,O,O,O,
+        O,O,O,O,O,
+        O,O,O,O,O,
+    },
+};
+// zig fmt: on

src/config.c

@@ -1,378 +0,0 @@
-#include "configator.h"
-
-#include "config.h"
-
-#include <stdbool.h>
-#include <stddef.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-#include <unistd.h>
-
-#ifndef DEBUG
-	#define INI_LANG DATADIR "/lang/%s.ini"
-	#define INI_CONFIG "/etc/ly/config.ini"
-#else
-	#define INI_LANG "../res/lang/%s.ini"
-	#define INI_CONFIG "../res/config.ini"
-#endif
-
-static void lang_handle(void* data, char** pars, const int pars_count)
-{
-	if (*((char**)data) != NULL)
-	{
-		free (*((char**)data));
-	}
-
-	*((char**)data) = strdup(*pars);
-}
-
-static void config_handle_u8(void* data, char** pars, const int pars_count)
-{
-	if (strcmp(*pars, "") == 0)
-	{
-		*((uint8_t*)data) = 0;
-	}
-	else
-	{
-		*((uint8_t*)data) = atoi(*pars);
-	}
-}
-
-static void config_handle_u16(void* data, char** pars, const int pars_count)
-{
-	if (strcmp(*pars, "") == 0)
-	{
-		*((uint16_t*)data) = 0;
-	}
-	else
-	{
-		*((uint16_t*)data) = atoi(*pars);
-	}
-}
-
-void config_handle_str(void* data, char** pars, const int pars_count)
-{
-	if (*((char**)data) != NULL)
-	{
-		free(*((char**)data));
-	}
-
-	*((char**)data) = strdup(*pars);
-}
-
-static void config_handle_char(void* data, char** pars, const int pars_count)
-{
-	*((char*)data) = **pars;
-}
-
-static void config_handle_bool(void* data, char** pars, const int pars_count)
-{
-	*((bool*)data) = (strcmp("true", *pars) == 0);
-}
-
-void lang_load()
-{
-	// must be alphabetically sorted
-	struct configator_param map_no_section[] =
-	{
-		{"capslock", &lang.capslock, lang_handle},
-		{"err_alloc", &lang.err_alloc, lang_handle},
-		{"err_bounds", &lang.err_bounds, lang_handle},
-		{"err_chdir", &lang.err_chdir, lang_handle},
-		{"err_console_dev", &lang.err_console_dev, lang_handle},
-		{"err_dgn_oob", &lang.err_dgn_oob, lang_handle},
-		{"err_domain", &lang.err_domain, lang_handle},
-		{"err_hostname", &lang.err_hostname, lang_handle},
-		{"err_mlock", &lang.err_mlock, lang_handle},
-		{"err_null", &lang.err_null, lang_handle},
-		{"err_pam", &lang.err_pam, lang_handle},
-		{"err_pam_abort", &lang.err_pam_abort, lang_handle},
-		{"err_pam_acct_expired", &lang.err_pam_acct_expired, lang_handle},
-		{"err_pam_auth", &lang.err_pam_auth, lang_handle},
-		{"err_pam_authinfo_unavail", &lang.err_pam_authinfo_unavail, lang_handle},
-		{"err_pam_authok_reqd", &lang.err_pam_authok_reqd, lang_handle},
-		{"err_pam_buf", &lang.err_pam_buf, lang_handle},
-		{"err_pam_cred_err", &lang.err_pam_cred_err, lang_handle},
-		{"err_pam_cred_expired", &lang.err_pam_cred_expired, lang_handle},
-		{"err_pam_cred_insufficient", &lang.err_pam_cred_insufficient, lang_handle},
-		{"err_pam_cred_unavail", &lang.err_pam_cred_unavail, lang_handle},
-		{"err_pam_maxtries", &lang.err_pam_maxtries, lang_handle},
-		{"err_pam_perm_denied", &lang.err_pam_perm_denied, lang_handle},
-		{"err_pam_session", &lang.err_pam_session, lang_handle},
-		{"err_pam_sys", &lang.err_pam_sys, lang_handle},
-		{"err_pam_user_unknown", &lang.err_pam_user_unknown, lang_handle},
-		{"err_path", &lang.err_path, lang_handle},
-		{"err_perm_dir", &lang.err_perm_dir, lang_handle},
-		{"err_perm_group", &lang.err_perm_group, lang_handle},
-		{"err_perm_user", &lang.err_perm_user, lang_handle},
-		{"err_pwnam", &lang.err_pwnam, lang_handle},
-		{"err_user_gid", &lang.err_user_gid, lang_handle},
-		{"err_user_init", &lang.err_user_init, lang_handle},
-		{"err_user_uid", &lang.err_user_uid, lang_handle},
-		{"err_xsessions_dir", &lang.err_xsessions_dir, lang_handle},
-		{"err_xsessions_open", &lang.err_xsessions_open, lang_handle},
-		{"f1", &lang.f1, lang_handle},
-		{"f2", &lang.f2, lang_handle},
-		{"login", &lang.login, lang_handle},
-		{"logout", &lang.logout, lang_handle},
-		{"numlock", &lang.numlock, lang_handle},
-		{"password", &lang.password, lang_handle},
-		{"shell", &lang.shell, lang_handle},
-		{"wayland", &lang.wayland, lang_handle},
-		{"xinitrc", &lang.xinitrc, lang_handle},
-	};
-
-	uint16_t map_len[] = {45};
-	struct configator_param* map[] =
-	{
-		map_no_section,
-	};
-
-	uint16_t sections_len = 0;
-	struct configator_param* sections = NULL;
-
-	struct configator lang;
-	lang.map = map;
-	lang.map_len = map_len;
-	lang.sections = sections;
-	lang.sections_len = sections_len;
-
-	char file[256];
-	snprintf(file, 256, INI_LANG, config.lang);
-
-	if (access(file, F_OK) != -1)
-	{
-		configator(&lang, file);
-	}
-}
-
-void config_load(const char *cfg_path)
-{
-	if (cfg_path == NULL)
-	{
-		cfg_path = INI_CONFIG;
-	}
-	// must be alphabetically sorted
-	struct configator_param map_no_section[] =
-	{
-		{"animate", &config.animate, config_handle_bool},
-		{"animation", &config.animation, config_handle_u8},
-		{"asterisk", &config.asterisk, config_handle_char},
-		{"bg", &config.bg, config_handle_u8},
-		{"bigclock", &config.bigclock, config_handle_bool},
-		{"blank_box", &config.blank_box, config_handle_bool},
-		{"blank_password", &config.blank_password, config_handle_bool},
-		{"clock", &config.clock, config_handle_str},
-		{"console_dev", &config.console_dev, config_handle_str},
-		{"default_input", &config.default_input, config_handle_u8},
-		{"fg", &config.fg, config_handle_u8},
-		{"hide_borders", &config.hide_borders, config_handle_bool},
-		{"hide_f1_commands", &config.hide_f1_commands, config_handle_bool},
-		{"input_len", &config.input_len, config_handle_u8},
-		{"lang", &config.lang, config_handle_str},
-		{"load", &config.load, config_handle_bool},
-		{"margin_box_h", &config.margin_box_h, config_handle_u8},
-		{"margin_box_v", &config.margin_box_v, config_handle_u8},
-		{"max_desktop_len", &config.max_desktop_len, config_handle_u8},
-		{"max_login_len", &config.max_login_len, config_handle_u8},
-		{"max_password_len", &config.max_password_len, config_handle_u8},
-		{"mcookie_cmd", &config.mcookie_cmd, config_handle_str},
-		{"min_refresh_delta", &config.min_refresh_delta, config_handle_u16},
-		{"path", &config.path, config_handle_str},
-		{"restart_cmd", &config.restart_cmd, config_handle_str},
-		{"save", &config.save, config_handle_bool},
-		{"save_file", &config.save_file, config_handle_str},
-		{"service_name", &config.service_name, config_handle_str},
-		{"shutdown_cmd", &config.shutdown_cmd, config_handle_str},
-		{"term_reset_cmd", &config.term_reset_cmd, config_handle_str},
-		{"tty", &config.tty, config_handle_u8},
-		{"wayland_cmd", &config.wayland_cmd, config_handle_str},
-		{"wayland_specifier", &config.wayland_specifier, config_handle_bool},
-		{"waylandsessions", &config.waylandsessions, config_handle_str},
-		{"x_cmd", &config.x_cmd, config_handle_str},
-		{"xinitrc", &config.xinitrc, config_handle_str},
-		{"x_cmd_setup", &config.x_cmd_setup, config_handle_str},
-		{"xauth_cmd", &config.xauth_cmd, config_handle_str},
-		{"xsessions", &config.xsessions, config_handle_str},
-	};
-
-	uint16_t map_len[] = {34};
-	struct configator_param* map[] =
-	{
-		map_no_section,
-	};
-
-	uint16_t sections_len = 0;
-	struct configator_param* sections = NULL;
-
-	struct configator config;
-	config.map = map;
-	config.map_len = map_len;
-	config.sections = sections;
-	config.sections_len = sections_len;
-
-	configator(&config, (char *) cfg_path);
-}
-
-void lang_defaults()
-{
-	lang.capslock = strdup("capslock");
-	lang.err_alloc = strdup("failed memory allocation");
-	lang.err_bounds = strdup("out-of-bounds index");
-	lang.err_chdir = strdup("failed to open home folder");
-	lang.err_console_dev = strdup("failed to access console");
-	lang.err_dgn_oob = strdup("log message");
-	lang.err_domain = strdup("invalid domain");
-	lang.err_hostname = strdup("failed to get hostname");
-	lang.err_mlock = strdup("failed to lock password memory");
-	lang.err_null = strdup("null pointer");
-	lang.err_pam = strdup("pam transaction failed");
-	lang.err_pam_abort = strdup("pam transaction aborted");
-	lang.err_pam_acct_expired = strdup("account expired");
-	lang.err_pam_auth = strdup("authentication error");
-	lang.err_pam_authinfo_unavail = strdup("failed to get user info");
-	lang.err_pam_authok_reqd = strdup("token expired");
-	lang.err_pam_buf = strdup("memory buffer error");
-	lang.err_pam_cred_err = strdup("failed to set credentials");
-	lang.err_pam_cred_expired = strdup("credentials expired");
-	lang.err_pam_cred_insufficient = strdup("insufficient credentials");
-	lang.err_pam_cred_unavail = strdup("failed to get credentials");
-	lang.err_pam_maxtries = strdup("reached maximum tries limit");
-	lang.err_pam_perm_denied = strdup("permission denied");
-	lang.err_pam_session = strdup("session error");
-	lang.err_pam_sys = strdup("system error");
-	lang.err_pam_user_unknown = strdup("unknown user");
-	lang.err_path = strdup("failed to set path");
-	lang.err_perm_dir = strdup("failed to change current directory");
-	lang.err_perm_group = strdup("failed to downgrade group permissions");
-	lang.err_perm_user = strdup("failed to downgrade user permissions");
-	lang.err_pwnam = strdup("failed to get user info");
-	lang.err_user_gid = strdup("failed to set user GID");
-	lang.err_user_init = strdup("failed to initialize user");
-	lang.err_user_uid = strdup("failed to set user UID");
-	lang.err_xsessions_dir = strdup("failed to find sessions folder");
-	lang.err_xsessions_open = strdup("failed to open sessions folder");
-	lang.f1 = strdup("F1 shutdown");
-	lang.f2 = strdup("F2 reboot");
-	lang.login = strdup("login:");
-	lang.logout = strdup("logged out");
-	lang.numlock = strdup("numlock");
-	lang.password = strdup("password:");
-	lang.shell = strdup("shell");
-	lang.wayland = strdup("wayland");
-	lang.xinitrc = strdup("xinitrc");
-}
-
-void config_defaults()
-{
-	config.animate = false;
-	config.animation = 0;
-	config.asterisk = '*';
-	config.bg = 0;
-	config.bigclock = false;
-	config.blank_box = true;
-	config.blank_password = false;
-	config.clock = NULL;
-	config.console_dev = strdup("/dev/console");
-	config.default_input = LOGIN_INPUT;
-	config.fg = 9;
-	config.hide_borders = false;
-	config.input_len = 34;
-	config.lang = strdup("en");
-	config.load = true;
-	config.margin_box_h = 2;
-	config.margin_box_v = 1;
-	config.max_desktop_len = 100;
-	config.max_login_len = 255;
-	config.max_password_len = 255;
-	config.mcookie_cmd = strdup("/usr/bin/mcookie");
-	config.min_refresh_delta = 5;
-	config.path = strdup("/sbin:/bin:/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin");
-	config.restart_cmd = strdup("/sbin/shutdown -r now");
-	config.save = true;
-	config.save_file = strdup("/etc/ly/save");
-	config.service_name = strdup("ly");
-	config.shutdown_cmd = strdup("/sbin/shutdown -a now");
-	config.term_reset_cmd = strdup("/usr/bin/tput reset");
-	config.tty = 2;
-	config.wayland_cmd = strdup(DATADIR "/wsetup.sh");
-	config.wayland_specifier = false;
-	config.waylandsessions = strdup("/usr/share/wayland-sessions");
-	config.x_cmd = strdup("/usr/bin/X");
-	config.xinitrc = strdup("~/.xinitrc");
-	config.x_cmd_setup = strdup(DATADIR "/xsetup.sh");
-	config.xauth_cmd = strdup("/usr/bin/xauth");
-	config.xsessions = strdup("/usr/share/xsessions");
-}
-
-void lang_free()
-{
-	free(lang.capslock);
-	free(lang.err_alloc);
-	free(lang.err_bounds);
-	free(lang.err_chdir);
-	free(lang.err_console_dev);
-	free(lang.err_dgn_oob);
-	free(lang.err_domain);
-	free(lang.err_hostname);
-	free(lang.err_mlock);
-	free(lang.err_null);
-	free(lang.err_pam);
-	free(lang.err_pam_abort);
-	free(lang.err_pam_acct_expired);
-	free(lang.err_pam_auth);
-	free(lang.err_pam_authinfo_unavail);
-	free(lang.err_pam_authok_reqd);
-	free(lang.err_pam_buf);
-	free(lang.err_pam_cred_err);
-	free(lang.err_pam_cred_expired);
-	free(lang.err_pam_cred_insufficient);
-	free(lang.err_pam_cred_unavail);
-	free(lang.err_pam_maxtries);
-	free(lang.err_pam_perm_denied);
-	free(lang.err_pam_session);
-	free(lang.err_pam_sys);
-	free(lang.err_pam_user_unknown);
-	free(lang.err_path);
-	free(lang.err_perm_dir);
-	free(lang.err_perm_group);
-	free(lang.err_perm_user);
-	free(lang.err_pwnam);
-	free(lang.err_user_gid);
-	free(lang.err_user_init);
-	free(lang.err_user_uid);
-	free(lang.err_xsessions_dir);
-	free(lang.err_xsessions_open);
-	free(lang.f1);
-	free(lang.f2);
-	free(lang.login);
-	free(lang.logout);
-	free(lang.numlock);
-	free(lang.password);
-	free(lang.shell);
-	free(lang.wayland);
-	free(lang.xinitrc);
-}
-
-void config_free()
-{
-	free(config.clock);
-	free(config.console_dev);
-	free(config.lang);
-	free(config.mcookie_cmd);
-	free(config.path);
-	free(config.restart_cmd);
-	free(config.save_file);
-	free(config.service_name);
-	free(config.shutdown_cmd);
-	free(config.term_reset_cmd);
-	free(config.wayland_cmd);
-	free(config.waylandsessions);
-	free(config.x_cmd);
-	free(config.xinitrc);
-	free(config.x_cmd_setup);
-	free(config.xauth_cmd);
-	free(config.xsessions);
-}

src/config.h

@@ -1,116 +0,0 @@
-#ifndef H_LY_CONFIG
-#define H_LY_CONFIG
-
-#include <stdbool.h>
-#include <stdint.h>
-
-enum INPUTS {
-	SESSION_SWITCH,
-	LOGIN_INPUT,
-	PASSWORD_INPUT,
-};
-
-struct lang
-{
-	char* capslock;
-	char* err_alloc;
-	char* err_bounds;
-	char* err_chdir;
-	char* err_console_dev;
-	char* err_dgn_oob;
-	char* err_domain;
-	char* err_hostname;
-	char* err_mlock;
-	char* err_null;
-	char* err_pam;
-	char* err_pam_abort;
-	char* err_pam_acct_expired;
-	char* err_pam_auth;
-	char* err_pam_authinfo_unavail;
-	char* err_pam_authok_reqd;
-	char* err_pam_buf;
-	char* err_pam_cred_err;
-	char* err_pam_cred_expired;
-	char* err_pam_cred_insufficient;
-	char* err_pam_cred_unavail;
-	char* err_pam_maxtries;
-	char* err_pam_perm_denied;
-	char* err_pam_session;
-	char* err_pam_sys;
-	char* err_pam_user_unknown;
-	char* err_path;
-	char* err_perm_dir;
-	char* err_perm_group;
-	char* err_perm_user;
-	char* err_pwnam;
-	char* err_user_gid;
-	char* err_user_init;
-	char* err_user_uid;
-	char* err_xsessions_dir;
-	char* err_xsessions_open;
-	char* f1;
-	char* f2;
-	char* login;
-	char* logout;
-	char* numlock;
-	char* password;
-	char* shell;
-	char* wayland;
-	char* xinitrc;
-};
-
-struct config
-{
-	bool animate;
-	uint8_t animation;
-	char asterisk;
-	uint8_t bg;
-	bool bigclock;
-	bool blank_box;
-	bool blank_password;
-	char* clock;
-	char* console_dev;
-	uint8_t default_input;
-	uint8_t fg;
-	bool hide_borders;
-	bool hide_f1_commands;
-	uint8_t input_len;
-	char* lang;
-	bool load;
-	uint8_t margin_box_h;
-	uint8_t margin_box_v;
-	uint8_t max_desktop_len;
-	uint8_t max_login_len;
-	uint8_t max_password_len;
-	char* mcookie_cmd;
-	uint16_t min_refresh_delta;
-	char* path;
-	char* restart_cmd;
-	bool save;
-	char* save_file;
-	char* service_name;
-	char* shutdown_cmd;
-	char* term_reset_cmd;
-	uint8_t tty;
-	char* wayland_cmd;
-	bool wayland_specifier;
-	char* waylandsessions;
-	char* x_cmd;
-	char* xinitrc;
-	char* x_cmd_setup;
-	char* xauth_cmd;
-	char* xsessions;
-};
-
-extern struct lang lang;
-extern struct config config;
-
-void config_handle_str(void* data, char** pars, const int pars_count);
-void lang_load();
-void config_load(const char *cfg_path);
-void lang_defaults();
-void config_defaults();
-void lang_free();
-void config_free();
-
-#endif

src/config/Config.zig

@@ -0,0 +1,61 @@
+const build_options = @import("build_options");
+const enums = @import("../enums.zig");
+
+const Animation = enums.Animation;
+const Input = enums.Input;
+const ViMode = enums.ViMode;
+const Bigclock = enums.Bigclock;
+
+animation: Animation = .none,
+animation_timeout_sec: u12 = 0,
+asterisk: ?u8 = '*',
+auth_fails: u64 = 10,
+bg: u16 = 0,
+bigclock: Bigclock = .none,
+blank_box: bool = true,
+border_fg: u16 = 8,
+box_title: ?[]const u8 = null,
+brightness_down_cmd: [:0]const u8 = build_options.prefix_directory ++ "/bin/brightnessctl -q s 10%-",
+brightness_down_key: []const u8 = "F5",
+brightness_up_cmd: [:0]const u8 = build_options.prefix_directory ++ "/bin/brightnessctl -q s +10%",
+brightness_up_key: []const u8 = "F6",
+clear_password: bool = false,
+clock: ?[:0]const u8 = null,
+cmatrix_fg: u16 = 3,
+console_dev: []const u8 = "/dev/console",
+default_input: Input = .login,
+error_bg: u16 = 0,
+error_fg: u16 = 258,
+fg: u16 = 8,
+hide_borders: bool = false,
+hide_key_hints: bool = false,
+initial_info_text: ?[]const u8 = null,
+input_len: u8 = 34,
+lang: []const u8 = "en",
+load: bool = true,
+login_cmd: ?[]const u8 = null,
+logout_cmd: ?[]const u8 = null,
+margin_box_h: u8 = 2,
+margin_box_v: u8 = 1,
+min_refresh_delta: u16 = 5,
+numlock: bool = false,
+path: ?[:0]const u8 = "/sbin:/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin",
+restart_cmd: []const u8 = "/sbin/shutdown -r now",
+restart_key: []const u8 = "F2",
+save: bool = true,
+service_name: [:0]const u8 = "ly",
+session_log: []const u8 = "ly-session.log",
+setup_cmd: []const u8 = build_options.config_directory ++ "/ly/setup.sh",
+shutdown_cmd: []const u8 = "/sbin/shutdown -a now",
+shutdown_key: []const u8 = "F1",
+sleep_cmd: ?[]const u8 = null,
+sleep_key: []const u8 = "F3",
+text_in_center: bool = false,
+tty: u8 = build_options.tty,
+vi_default_mode: ViMode = .normal,
+vi_mode: bool = false,
+waylandsessions: []const u8 = build_options.prefix_directory ++ "/share/wayland-sessions",
+x_cmd: []const u8 = build_options.prefix_directory ++ "/bin/X",
+xauth_cmd: []const u8 = build_options.prefix_directory ++ "/bin/xauth",
+xinitrc: ?[]const u8 = "~/.xinitrc",
+xsessions: []const u8 = build_options.prefix_directory ++ "/share/xsessions",

src/config/Lang.zig

@@ -0,0 +1,61 @@
+authenticating: []const u8 = "authenticating...",
+brightness_down: []const u8 = "decrease brightness",
+brightness_up: []const u8 = "increase brightness",
+capslock: []const u8 = "capslock",
+err_alloc: []const u8 = "failed memory allocation",
+err_bounds: []const u8 = "out-of-bounds index",
+err_brightness_change: []const u8 = "failed to change brightness",
+err_chdir: []const u8 = "failed to open home folder",
+err_config: []const u8 = "unable to parse config file",
+err_console_dev: []const u8 = "failed to access console",
+err_dgn_oob: []const u8 = "log message",
+err_domain: []const u8 = "invalid domain",
+err_envlist: []const u8 = "failed to get envlist",
+err_hostname: []const u8 = "failed to get hostname",
+err_mlock: []const u8 = "failed to lock password memory",
+err_null: []const u8 = "null pointer",
+err_numlock: []const u8 = "failed to set numlock",
+err_pam: []const u8 = "pam transaction failed",
+err_pam_abort: []const u8 = "pam transaction aborted",
+err_pam_acct_expired: []const u8 = "account expired",
+err_pam_auth: []const u8 = "authentication error",
+err_pam_authinfo_unavail: []const u8 = "failed to get user info",
+err_pam_authok_reqd: []const u8 = "token expired",
+err_pam_buf: []const u8 = "memory buffer error",
+err_pam_cred_err: []const u8 = "failed to set credentials",
+err_pam_cred_expired: []const u8 = "credentials expired",
+err_pam_cred_insufficient: []const u8 = "insufficient credentials",
+err_pam_cred_unavail: []const u8 = "failed to get credentials",
+err_pam_maxtries: []const u8 = "reached maximum tries limit",
+err_pam_perm_denied: []const u8 = "permission denied",
+err_pam_session: []const u8 = "session error",
+err_pam_sys: []const u8 = "system error",
+err_pam_user_unknown: []const u8 = "unknown user",
+err_path: []const u8 = "failed to set path",
+err_perm_dir: []const u8 = "failed to change current directory",
+err_perm_group: []const u8 = "failed to downgrade group permissions",
+err_perm_user: []const u8 = "failed to downgrade user permissions",
+err_pwnam: []const u8 = "failed to get user info",
+err_unknown: []const u8 = "an unknown error occurred",
+err_user_gid: []const u8 = "failed to set user GID",
+err_user_init: []const u8 = "failed to initialize user",
+err_user_uid: []const u8 = "failed to set user UID",
+err_xauth: []const u8 = "xauth command failed",
+err_xcb_conn: []const u8 = "xcb connection failed",
+err_xsessions_dir: []const u8 = "failed to find sessions folder",
+err_xsessions_open: []const u8 = "failed to open sessions folder",
+insert: []const u8 = "insert",
+login: []const u8 = "login:",
+logout: []const u8 = "logged out",
+normal: []const u8 = "normal",
+no_x11_support: []const u8 = "x11 support disabled at compile-time",
+numlock: []const u8 = "numlock",
+other: []const u8 = "other",
+password: []const u8 = "password:",
+restart: []const u8 = "reboot",
+shell: [:0]const u8 = "shell",
+shutdown: []const u8 = "shutdown",
+sleep: []const u8 = "sleep",
+wayland: []const u8 = "wayland",
+xinitrc: [:0]const u8 = "xinitrc",
+x11: []const u8 = "x11",

src/config/Save.zig

@@ -0,0 +1,2 @@
+user: ?[]const u8 = null,
+session_index: ?usize = null,

src/config/migrator.zig

@@ -0,0 +1,144 @@
+// The migrator ensures compatibility with <=0.6.0 configuration files
+
+const std = @import("std");
+const ini = @import("zigini");
+const Save = @import("Save.zig");
+const enums = @import("../enums.zig");
+
+var temporary_allocator = std.heap.page_allocator;
+
+pub var maybe_animate: ?bool = null;
+pub var maybe_save_file: ?[]const u8 = null;
+
+pub var mapped_config_fields = false;
+
+pub fn configFieldHandler(_: std.mem.Allocator, field: ini.IniField) ?ini.IniField {
+    if (std.mem.eql(u8, field.key, "animate")) {
+        // The option doesn't exist anymore, but we save its value for "animation"
+        maybe_animate = std.mem.eql(u8, field.value, "true");
+
+        mapped_config_fields = true;
+        return null;
+    }
+
+    if (std.mem.eql(u8, field.key, "animation")) {
+        // The option now uses a string (which then gets converted into an enum) instead of an integer
+        // It also combines the previous "animate" and "animation" options
+        const animation = std.fmt.parseInt(u8, field.value, 10) catch return field;
+        var mapped_field = field;
+
+        mapped_field.value = switch (animation) {
+            0 => "doom",
+            1 => "matrix",
+            else => "none",
+        };
+
+        mapped_config_fields = true;
+        return mapped_field;
+    }
+
+    if (std.mem.eql(u8, field.key, "blank_password")) {
+        // The option has simply been renamed
+        var mapped_field = field;
+        mapped_field.key = "clear_password";
+
+        mapped_config_fields = true;
+        return mapped_field;
+    }
+
+    if (std.mem.eql(u8, field.key, "default_input")) {
+        // The option now uses a string (which then gets converted into an enum) instead of an integer
+        const default_input = std.fmt.parseInt(u8, field.value, 10) catch return field;
+        var mapped_field = field;
+
+        mapped_field.value = switch (default_input) {
+            0 => "session",
+            1 => "login",
+            2 => "password",
+            else => "login",
+        };
+
+        mapped_config_fields = true;
+        return mapped_field;
+    }
+
+    if (std.mem.eql(u8, field.key, "save_file")) {
+        // The option doesn't exist anymore, but we save its value for migration later on
+        maybe_save_file = temporary_allocator.dupe(u8, field.value) catch return null;
+
+        mapped_config_fields = true;
+        return null;
+    }
+
+    if (std.mem.eql(u8, field.key, "wayland_specifier") or
+        std.mem.eql(u8, field.key, "max_desktop_len") or
+        std.mem.eql(u8, field.key, "max_login_len") or
+        std.mem.eql(u8, field.key, "max_password_len") or
+        std.mem.eql(u8, field.key, "mcookie_cmd") or
+        std.mem.eql(u8, field.key, "term_reset_cmd") or
+        std.mem.eql(u8, field.key, "term_restore_cursor_cmd") or
+        std.mem.eql(u8, field.key, "x_cmd_setup") or
+        std.mem.eql(u8, field.key, "wayland_cmd"))
+    {
+        // The options don't exist anymore
+        mapped_config_fields = true;
+        return null;
+    }
+
+    if (std.mem.eql(u8, field.key, "bigclock")) {
+        // The option now uses a string (which then gets converted into an enum) instead of an boolean
+        // It also includes the ability to change active bigclock's language
+        var mapped_field = field;
+
+        if (std.mem.eql(u8, field.value, "true")){
+            mapped_field.value = "en";
+            mapped_config_fields = true;
+        }else if (std.mem.eql(u8, field.value, "false")){
+            mapped_field.value = "none";
+            mapped_config_fields = true;
+        }
+        
+        return mapped_field;
+    }
+
+    return field;
+}
+
+// This is the stuff we only handle after reading the config.
+// For example, the "animate" field could come after "animation"
+pub fn lateConfigFieldHandler(animation: *enums.Animation) void {
+    if (maybe_animate) |animate| {
+        if (!animate) animation.* = .none;
+    }
+}
+
+pub fn tryMigrateSaveFile(user_buf: *[32]u8) Save {
+    var save = Save{};
+
+    if (maybe_save_file) |path| {
+        defer temporary_allocator.free(path);
+
+        var file = std.fs.openFileAbsolute(path, .{}) catch return save;
+        defer file.close();
+
+        const reader = file.reader();
+
+        var user_fbs = std.io.fixedBufferStream(user_buf);
+        reader.streamUntilDelimiter(user_fbs.writer(), '\n', user_buf.len) catch return save;
+        const user = user_fbs.getWritten();
+        if (user.len > 0) save.user = user;
+
+        var session_buf: [20]u8 = undefined;
+        var session_fbs = std.io.fixedBufferStream(&session_buf);
+        reader.streamUntilDelimiter(session_fbs.writer(), '\n', session_buf.len) catch return save;
+
+        const session_index_str = session_fbs.getWritten();
+        var session_index: ?usize = null;
+        if (session_index_str.len > 0) {
+            session_index = std.fmt.parseUnsigned(usize, session_index_str, 10) catch return save;
+        }
+        save.session_index = session_index;
+    }
+
+    return save;
+}

src/dragonfail_error.h

@@ -1,27 +0,0 @@
-#ifndef H_DRAGONFAIL_ERROR
-#define H_DRAGONFAIL_ERROR
-
-enum dgn_error
-{
-	DGN_OK, // do not remove
-
-	DGN_NULL,
-	DGN_ALLOC,
-	DGN_BOUNDS,
-	DGN_DOMAIN,
-	DGN_MLOCK,
-	DGN_XSESSIONS_DIR,
-	DGN_XSESSIONS_OPEN,
-	DGN_PATH,
-	DGN_CHDIR,
-	DGN_PWNAM,
-	DGN_USER_INIT,
-	DGN_USER_GID,
-	DGN_USER_UID,
-	DGN_PAM,
-	DGN_HOSTNAME,
-
-	DGN_SIZE, // do not remove
-};
-
-#endif

src/draw.c

@@ -1,997 +0,0 @@
-#include "dragonfail.h"
-#include "termbox.h"
-
-#include "inputs.h"
-#include "utils.h"
-#include "config.h"
-#include "draw.h"
-#include "bigclock.h"
-
-#include <ctype.h>
-#include <fcntl.h>
-#include <stdbool.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/ioctl.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <unistd.h>
-#include <time.h>
-
-#if defined(__DragonFly__) || defined(__FreeBSD__)
-	#include <sys/kbio.h>
-#else // linux
-	#include <linux/kd.h>
-#endif
-
-#define DOOM_STEPS 13
-
-void draw_init(struct term_buf* buf)
-{
-	buf->width = tb_width();
-	buf->height = tb_height();
-	hostname(&buf->info_line);
-
-	uint16_t len_login = strlen(lang.login);
-	uint16_t len_password = strlen(lang.password);
-
-	if (len_login > len_password)
-	{
-		buf->labels_max_len = len_login;
-	}
-	else
-	{
-		buf->labels_max_len = len_password;
-	}
-
-	buf->box_height = 7 + (2 * config.margin_box_v);
-	buf->box_width =
-		(2 * config.margin_box_h)
-		+ (config.input_len + 1)
-		+ buf->labels_max_len;
-
-#if defined(__linux__) || defined(__FreeBSD__)
-	buf->box_chars.left_up = 0x250c;
-	buf->box_chars.left_down = 0x2514;
-	buf->box_chars.right_up = 0x2510;
-	buf->box_chars.right_down = 0x2518;
-	buf->box_chars.top = 0x2500;
-	buf->box_chars.bot = 0x2500;
-	buf->box_chars.left = 0x2502;
-	buf->box_chars.right = 0x2502;
-#else
-	buf->box_chars.left_up = '+';
-	buf->box_chars.left_down = '+';
-	buf->box_chars.right_up = '+';
-	buf->box_chars.right_down= '+';
-	buf->box_chars.top = '-';
-	buf->box_chars.bot = '-';
-	buf->box_chars.left = '|';
-	buf->box_chars.right = '|';
-#endif
-}
-
-static void doom_free(struct term_buf* buf);
-static void matrix_free(struct term_buf* buf);
-
-void draw_free(struct term_buf* buf)
-{
-	if (config.animate)
-	{
-		switch (config.animation)
-		{
-			case 0:
-				doom_free(buf);
-				break;
-			case 1:
-				matrix_free(buf);
-				break;
-		}
-	}
-}
-
-void draw_box(struct term_buf* buf)
-{
-	uint16_t box_x = (buf->width - buf->box_width) / 2;
-	uint16_t box_y = (buf->height - buf->box_height) / 2;
-	uint16_t box_x2 = (buf->width + buf->box_width) / 2;
-	uint16_t box_y2 = (buf->height + buf->box_height) / 2;
-	buf->box_x = box_x;
-	buf->box_y = box_y;
-
-	if (!config.hide_borders)
-	{
-		// corners
-		tb_change_cell(
-			box_x - 1,
-			box_y - 1,
-			buf->box_chars.left_up,
-			config.fg,
-			config.bg);
-		tb_change_cell(
-			box_x2,
-			box_y - 1,
-			buf->box_chars.right_up,
-			config.fg,
-			config.bg);
-		tb_change_cell(
-			box_x - 1,
-			box_y2,
-			buf->box_chars.left_down,
-			config.fg,
-			config.bg);
-		tb_change_cell(
-			box_x2,
-			box_y2,
-			buf->box_chars.right_down,
-			config.fg,
-			config.bg);
-
-		// top and bottom
-		struct tb_cell c1 = {buf->box_chars.top, config.fg, config.bg};
-		struct tb_cell c2 = {buf->box_chars.bot, config.fg, config.bg};
-
-		for (uint16_t i = 0; i < buf->box_width; ++i)
-		{
-			tb_put_cell(
-				box_x + i,
-				box_y - 1,
-				&c1);
-			tb_put_cell(
-				box_x + i,
-				box_y2,
-				&c2);
-		}
-
-		// left and right
-		c1.ch = buf->box_chars.left;
-		c2.ch = buf->box_chars.right;
-
-		for (uint16_t i = 0; i < buf->box_height; ++i)
-		{
-			tb_put_cell(
-				box_x - 1,
-				box_y + i,
-				&c1);
-
-			tb_put_cell(
-				box_x2,
-				box_y + i,
-				&c2);
-		}
-	}
-
-	if (config.blank_box)
-	{
-		struct tb_cell blank = {' ', config.fg, config.bg};
-
-		for (uint16_t i = 0; i < buf->box_height; ++i)
-		{
-			for (uint16_t k = 0; k < buf->box_width; ++k)
-			{
-				tb_put_cell(
-					box_x + k,
-					box_y + i,
-					&blank);
-			}
-		}
-	}
-}
-
-char* time_str(char* fmt, int maxlen)
-{
-	time_t timer;
-	char* buffer = malloc(maxlen);
-	struct tm* tm_info;
-
-	timer = time(NULL);
-	tm_info = localtime(&timer);
-
-	if (strftime(buffer, maxlen, fmt, tm_info) == 0)
-    {
-        buffer[0] = '\0';
-    }
-	
-	return buffer;
-}
-
-extern inline uint32_t* CLOCK_N(char c);
-
-struct tb_cell* clock_cell(char c)
-{
-	struct tb_cell* cells = malloc(sizeof(struct tb_cell) * CLOCK_W * CLOCK_H);
-
-	struct timeval tv;
-	gettimeofday(&tv, NULL);
-	if (config.animate && c == ':' && tv.tv_usec / 500000)
-    {
-        c = ' ';
-    }
-	uint32_t* clockchars = CLOCK_N(c);
-
-	for (int i = 0; i < CLOCK_W * CLOCK_H; i++)
-	{
-		cells[i].ch = clockchars[i];
-		cells[i].fg = config.fg;
-		cells[i].bg = config.bg;
-	}
-
-	return cells;
-}
-
-void alpha_blit(struct tb_cell* buf, uint16_t x, uint16_t y, uint16_t w, uint16_t h, struct tb_cell* cells)
-{
-	if (x + w >= tb_width() || y + h >= tb_height())
-		return;
-
-	for (int i = 0; i < h; i++)
-	{
-		for (int j = 0; j < w; j++)
-		{
-			struct tb_cell cell = cells[i * w + j];
-			if (cell.ch)
-            {
-                buf[(y + i) * tb_width() + (x + j)] = cell;
-            }
-		}
-	}
-}
-
-void draw_bigclock(struct term_buf* buf)
-{
-	if (!config.bigclock)
-    {
-        return;
-    }
-
-	int xo = buf->width / 2 - (5 * (CLOCK_W + 1)) / 2;
-	int yo = (buf->height - buf->box_height) / 2 - CLOCK_H - 2;
-
-	char* clockstr = time_str("%H:%M", 6);
-	struct tb_cell* clockcell;
-
-	for (int i = 0; i < 5; i++)
-	{
-		clockcell = clock_cell(clockstr[i]);
-		alpha_blit(tb_cell_buffer(), xo + i * (CLOCK_W + 1), yo, CLOCK_W, CLOCK_H, clockcell);
-		free(clockcell);
-	}
-
-	free(clockstr);
-}
-
-void draw_clock(struct term_buf* buf)
-{
-	if (config.clock == NULL || strlen(config.clock) == 0)
-    {
-        return;
-    }
-
-	char* clockstr = time_str(config.clock, 32);
-	int clockstrlen = strlen(clockstr);
-
-	struct tb_cell* cells = strn_cell(clockstr, clockstrlen);
-	tb_blit(buf->width - clockstrlen, 0, clockstrlen, 1, cells);
-
-	free(clockstr);
-	free(cells);
-}
-
-struct tb_cell* strn_cell(char* s, uint16_t len) // throws
-{
-	struct tb_cell* cells = malloc((sizeof (struct tb_cell)) * len);
-	char* s2 = s;
-	uint32_t c;
-
-	if (cells != NULL)
-	{
-		for (uint16_t i = 0; i < len; ++i)
-		{
-			if ((s2 - s) >= len)
-			{
-				break;
-			}
-
-			s2 += utf8_char_to_unicode(&c, s2);
-
-			cells[i].ch = c;
-			cells[i].bg = config.bg;
-			cells[i].fg = config.fg;
-		}
-	}
-	else
-	{
-		dgn_throw(DGN_ALLOC);
-	}
-
-	return cells;
-}
-
-struct tb_cell* str_cell(char* s) // throws
-{
-	return strn_cell(s, strlen(s));
-}
-
-void draw_labels(struct term_buf* buf) // throws
-{
-	// login text
-	struct tb_cell* login = str_cell(lang.login);
-
-	if (dgn_catch())
-	{
-		dgn_reset();
-	}
-	else
-	{
-		tb_blit(
-			buf->box_x + config.margin_box_h,
-			buf->box_y + config.margin_box_v + 4,
-			strlen(lang.login),
-			1,
-			login);
-		free(login);
-	}
-
-	// password text
-	struct tb_cell* password = str_cell(lang.password);
-
-	if (dgn_catch())
-	{
-		dgn_reset();
-	}
-	else
-	{
-		tb_blit(
-			buf->box_x + config.margin_box_h,
-			buf->box_y + config.margin_box_v + 6,
-			strlen(lang.password),
-			1,
-			password);
-		free(password);
-	}
-
-	if (buf->info_line != NULL)
-	{
-		uint16_t len = strlen(buf->info_line);
-		struct tb_cell* info_cell = str_cell(buf->info_line);
-
-		if (dgn_catch())
-		{
-			dgn_reset();
-		}
-		else
-		{
-			tb_blit(
-				buf->box_x + ((buf->box_width - len) / 2),
-				buf->box_y + config.margin_box_v,
-				len,
-				1,
-				info_cell);
-			free(info_cell);
-		}
-	}
-}
-
-void draw_f_commands()
-{
-	struct tb_cell* f1 = str_cell(lang.f1);
-
-	if (dgn_catch())
-	{
-		dgn_reset();
-	}
-	else
-	{
-		tb_blit(0, 0, strlen(lang.f1), 1, f1);
-		free(f1);
-	}
-
-	struct tb_cell* f2 = str_cell(lang.f2);
-
-	if (dgn_catch())
-	{
-		dgn_reset();
-	}
-	else
-	{
-		tb_blit(strlen(lang.f1) + 1, 0, strlen(lang.f2), 1, f2);
-		free(f2);
-	}
-}
-
-void draw_lock_state(struct term_buf* buf)
-{
-	// get values
-	int fd = open(config.console_dev, O_RDONLY);
-
-	if (fd < 0)
-	{
-		buf->info_line = lang.err_console_dev;
-		return;
-	}
-
-	bool numlock_on;
-	bool capslock_on;
-
-#if defined(__DragonFly__) || defined(__FreeBSD__)
-	int led;
-	ioctl(fd, KDGETLED, &led);
-	numlock_on = led & LED_NUM;
-	capslock_on = led & LED_CAP;
-#else // linux
-	char led;
-	ioctl(fd, KDGKBLED, &led);
-	numlock_on = led & K_NUMLOCK;
-	capslock_on = led & K_CAPSLOCK;
-#endif
-
-	close(fd);
-
-	// print text
-	uint16_t pos_x = buf->width - strlen(lang.numlock);
-
-	if (numlock_on)
-	{
-		struct tb_cell* numlock = str_cell(lang.numlock);
-
-		if (dgn_catch())
-		{
-			dgn_reset();
-		}
-		else
-		{
-			tb_blit(pos_x, 0, strlen(lang.numlock), 1, numlock);
-			free(numlock);
-		}
-	}
-
-	pos_x -= strlen(lang.capslock) + 1;
-
-	if (capslock_on)
-	{
-		struct tb_cell* capslock = str_cell(lang.capslock);
-
-		if (dgn_catch())
-		{
-			dgn_reset();
-		}
-		else
-		{
-			tb_blit(pos_x, 0, strlen(lang.capslock), 1, capslock);
-			free(capslock);
-		}
-	}
-}
-
-void draw_desktop(struct desktop* target)
-{
-	uint16_t len = strlen(target->list[target->cur]);
-
-	if (len > (target->visible_len - 3))
-	{
-		len = target->visible_len - 3;
-	}
-
-	tb_change_cell(
-		target->x,
-		target->y,
-		'<',
-		config.fg,
-		config.bg);
-
-	tb_change_cell(
-		target->x + target->visible_len - 1,
-		target->y,
-		'>',
-		config.fg,
-		config.bg);
-
-	for (uint16_t i = 0; i < len; ++ i)
-	{
-		tb_change_cell(
-			target->x + i + 2,
-			target->y,
-			target->list[target->cur][i],
-			config.fg,
-			config.bg);
-	}
-}
-
-void draw_input(struct text* input)
-{
-	uint16_t len = strlen(input->text);
-	uint16_t visible_len = input->visible_len;
-
-	if (len > visible_len)
-	{
-		len = visible_len;
-	}
-
-	struct tb_cell* cells = strn_cell(input->visible_start, len);
-
-	if (dgn_catch())
-	{
-		dgn_reset();
-	}
-	else
-	{
-		tb_blit(input->x, input->y, len, 1, cells);
-		free(cells);
-
-		struct tb_cell c1 = {' ', config.fg, config.bg};
-
-		for (uint16_t i = input->end - input->visible_start; i < visible_len; ++i)
-		{
-			tb_put_cell(
-				input->x + i,
-				input->y,
-				&c1);
-		}
-	}
-}
-
-void draw_input_mask(struct text* input)
-{
-	uint16_t len = strlen(input->text);
-	uint16_t visible_len = input->visible_len;
-
-	if (len > visible_len)
-	{
-		len = visible_len;
-	}
-
-	struct tb_cell c1 = {config.asterisk, config.fg, config.bg};
-	struct tb_cell c2 = {' ', config.fg, config.bg};
-
-	for (uint16_t i = 0; i < visible_len; ++i)
-	{
-		if (input->visible_start + i < input->end)
-		{
-			tb_put_cell(
-				input->x + i,
-				input->y,
-				&c1);
-		}
-		else
-		{
-			tb_put_cell(
-				input->x + i,
-				input->y,
-				&c2);
-		}
-	}
-}
-
-void position_input(
-	struct term_buf* buf,
-	struct desktop* desktop,
-	struct text* login,
-	struct text* password)
-{
-	uint16_t x = buf->box_x + config.margin_box_h + buf->labels_max_len + 1;
-	int32_t len = buf->box_x + buf->box_width - config.margin_box_h - x;
-
-	if (len < 0)
-	{
-		return;
-	}
-
-	desktop->x = x;
-	desktop->y = buf->box_y + config.margin_box_v + 2;
-	desktop->visible_len = len;
-
-	login->x = x;
-	login->y = buf->box_y + config.margin_box_v + 4;
-	login->visible_len = len;
-
-	password->x = x;
-	password->y = buf->box_y + config.margin_box_v + 6;
-	password->visible_len = len;
-}
-
-static void doom_init(struct term_buf* buf)
-{
-	buf->init_width = buf->width;
-	buf->init_height = buf->height;
-	buf->astate.doom = malloc(sizeof(struct doom_state));
-
-	if (buf->astate.doom == NULL)
-	{
-		dgn_throw(DGN_ALLOC);
-	}
-
-	uint16_t tmp_len = buf->width * buf->height;
-	buf->astate.doom->buf = malloc(tmp_len);
-	tmp_len -= buf->width;
-
-	if (buf->astate.doom->buf == NULL)
-	{
-		dgn_throw(DGN_ALLOC);
-	}
-
-	memset(buf->astate.doom->buf, 0, tmp_len);
-	memset(buf->astate.doom->buf + tmp_len, DOOM_STEPS - 1, buf->width);
-}
-
-static void doom_free(struct term_buf* buf)
-{
-	free(buf->astate.doom->buf);
-	free(buf->astate.doom);
-}
-
-// Adapted from cmatrix
-static void matrix_init(struct term_buf* buf)
-{
-	buf->init_width = buf->width;
-	buf->init_height = buf->height;
-	buf->astate.matrix = malloc(sizeof(struct matrix_state));
-	struct matrix_state* s = buf->astate.matrix;
-
-	if (s == NULL)
-	{
-		dgn_throw(DGN_ALLOC);
-	}
-
-	uint16_t len = buf->height + 1;
-	s->grid = malloc(sizeof(struct matrix_dot*) * len);
-
-	if (s->grid == NULL)
-	{
-		dgn_throw(DGN_ALLOC);
-	}
-
-	len = (buf->height + 1) * buf->width;
-	(s->grid)[0] = malloc(sizeof(struct matrix_dot) * len);
-
-	if ((s->grid)[0] == NULL)
-	{
-		dgn_throw(DGN_ALLOC);
-	}
-
-	for (int i = 1; i <= buf->height; ++i)
-	{
-		s->grid[i] = s->grid[i - 1] + buf->width;
-
-		if (s->grid[i] == NULL)
-		{
-			dgn_throw(DGN_ALLOC);
-		}
-	}
-
-	s->length = malloc(buf->width * sizeof(int));
-
-	if (s->length == NULL)
-	{
-		dgn_throw(DGN_ALLOC);
-	}
-
-	s->spaces = malloc(buf->width * sizeof(int));
-
-	if (s->spaces == NULL)
-	{
-		dgn_throw(DGN_ALLOC);
-	}
-
-	s->updates = malloc(buf->width * sizeof(int));
-
-	if (s->updates == NULL)
-	{
-		dgn_throw(DGN_ALLOC);
-	}
-
-	// Initialize grid
-	for (int i = 0; i <= buf->height; ++i)
-	{
-		for (int j = 0; j <= buf->width - 1; j += 2)
-		{
-			s->grid[i][j].val = -1;
-		}
-	}
-
-	for (int j = 0; j < buf->width; j += 2)
-	{
-		s->spaces[j] = (int) rand() % buf->height + 1;
-		s->length[j] = (int) rand() % (buf->height - 3) + 3;
-		s->grid[1][j].val = ' ';
-		s->updates[j] = (int) rand() % 3 + 1;
-	}
-}
-
-static void matrix_free(struct term_buf* buf)
-{
-	free(buf->astate.matrix->grid[0]);
-	free(buf->astate.matrix->grid);
-	free(buf->astate.matrix->length);
-	free(buf->astate.matrix->spaces);
-	free(buf->astate.matrix->updates);
-	free(buf->astate.matrix);
-}
-
-void animate_init(struct term_buf* buf)
-{
-	if (config.animate)
-	{
-		switch(config.animation)
-		{
-			case 0:
-			{
-				doom_init(buf);
-				break;
-			}
-			case 1:
-			{
-				matrix_init(buf);
-				break;
-			}
-		}
-	}
-}
-
-static void doom(struct term_buf* term_buf)
-{
-	static struct tb_cell fire[DOOM_STEPS] =
-	{
-		{' ', 9, 0}, // default
-		{0x2591, 2, 0}, // red
-		{0x2592, 2, 0}, // red
-		{0x2593, 2, 0}, // red
-		{0x2588, 2, 0}, // red
-		{0x2591, 4, 2}, // yellow
-		{0x2592, 4, 2}, // yellow
-		{0x2593, 4, 2}, // yellow
-		{0x2588, 4, 2}, // yellow
-		{0x2591, 8, 4}, // white
-		{0x2592, 8, 4}, // white
-		{0x2593, 8, 4}, // white
-		{0x2588, 8, 4}, // white
-	};
-
-	uint16_t src;
-	uint16_t random;
-	uint16_t dst;
-
-	uint16_t w = term_buf->init_width;
-	uint8_t* tmp = term_buf->astate.doom->buf;
-
-	if ((term_buf->width != term_buf->init_width) || (term_buf->height != term_buf->init_height))
-	{
-		return;
-	}
-
-	struct tb_cell* buf = tb_cell_buffer();
-
-	for (uint16_t x = 0; x < w; ++x)
-	{
-		for (uint16_t y = 1; y < term_buf->init_height; ++y)
-		{
-			src = y * w + x;
-			random = ((rand() % 7) & 3);
-			dst = src - random + 1;
-
-			if (w > dst)
-			{
-				dst = 0;
-			}
-			else
-			{
-				dst -= w;
-			}
-
-			tmp[dst] = tmp[src] - (random & 1);
-
-			if (tmp[dst] > 12)
-			{
-				tmp[dst] = 0;
-			}
-
-			buf[dst] = fire[tmp[dst]];
-			buf[src] = fire[tmp[src]];
-		}
-	}
-}
-
-// Adapted from cmatrix
-static void matrix(struct term_buf* buf)
-{
-	static int frame = 3;
-	const int frame_delay = 8;
-	static int count = 0;
-	bool first_col;
-	struct matrix_state* s = buf->astate.matrix;
-
-	// Allowed codepoints
-	const int randmin = 33;
-	const int randnum = 123 - randmin;
-	// Chars change mid-scroll
-	const bool changes = true;
-
-	if ((buf->width != buf->init_width) || (buf->height != buf->init_height))
-	{
-		return;
-	}
-
-	count += 1;
-	if (count > frame_delay)
-    {
-		frame += 1;
-		if (frame > 4) frame = 1;
-		count = 0;
-
-		for (int j = 0; j < buf->width; j += 2)
-		{
-			int tail;
-			if (frame > s->updates[j])
-			{
-				if (s->grid[0][j].val == -1 && s->grid[1][j].val == ' ')
-				{
-					if (s->spaces[j] > 0)
-					{
-						s->spaces[j]--;
-					} else {
-						s->length[j] = (int) rand() % (buf->height - 3) + 3;
-						s->grid[0][j].val = (int) rand() % randnum + randmin;
-						s->spaces[j] = (int) rand() % buf->height + 1;
-					}
-				}
-
-				int i = 0, seg_len = 0;
-				first_col = 1;
-				while (i <= buf->height)
-				{
-					// Skip over spaces
-					while (i <= buf->height
-							&& (s->grid[i][j].val == ' ' || s->grid[i][j].val == -1))
-					{
-						i++;
-					}
-
-					if (i > buf->height) break;
-
-					// Find the head of this col
-					tail = i;
-					seg_len = 0;
-					while (i <= buf->height
-							&& (s->grid[i][j].val != ' ' && s->grid[i][j].val != -1))
-					{
-						s->grid[i][j].is_head = false;
-						if (changes)
-						{
-							if (rand() % 8 == 0)
-								s->grid[i][j].val = (int) rand() % randnum + randmin;
-						}
-						i++;
-						seg_len++;
-					}
-
-					// Head's down offscreen
-					if (i > buf->height)
-					{
-						s->grid[tail][j].val = ' ';
-						continue;
-					}
-
-					s->grid[i][j].val = (int) rand() % randnum + randmin;
-					s->grid[i][j].is_head = true;
-
-					if (seg_len > s->length[j] || !first_col) {
-						s->grid[tail][j].val = ' ';
-						s->grid[0][j].val = -1;
-					}
-					first_col = 0;
-					i++;
-				}
-			}
-		}
-	}
-
-	uint32_t blank;
-	utf8_char_to_unicode(&blank, " ");
-
-	for (int j = 0; j < buf->width; j += 2)
-    {
-		for (int i = 1; i <= buf->height; ++i)
-		{
-			uint32_t c;
-			int fg = TB_GREEN;
-			int bg = TB_DEFAULT;
-
-			if (s->grid[i][j].val == -1 || s->grid[i][j].val == ' ')
-			{
-				tb_change_cell(j, i - 1, blank, fg, bg);
-				continue;
-			}
-
-			char tmp[2];
-			tmp[0] = s->grid[i][j].val;
-			tmp[1] = '\0';
-			if(utf8_char_to_unicode(&c, tmp))
-			{
-				if (s->grid[i][j].is_head)
-				{
-					fg = TB_WHITE | TB_BOLD;
-				}
-				tb_change_cell(j, i - 1, c, fg, bg);
-			}
-		}
-	}
-}
-
-void animate(struct term_buf* buf)
-{
-	buf->width = tb_width();
-	buf->height = tb_height();
-
-	if (config.animate)
-	{
-		switch(config.animation)
-		{
-			case 0:
-			{
-				doom(buf);
-				break;
-			}
-			case 1:
-			{
-				matrix(buf);
-				break;
-			}
-		}
-	}
-}
-
-bool cascade(struct term_buf* term_buf, uint8_t* fails)
-{
-	uint16_t width = term_buf->width;
-	uint16_t height = term_buf->height;
-
-	struct tb_cell* buf = tb_cell_buffer();
-	bool changes = false;
-	char c_under;
-	char c;
-
-	for (int i = height - 2; i >= 0; --i)
-	{
-		for (int k = 0; k < width; ++k)
-		{
-			c = buf[i * width + k].ch;
-
-			if (isspace(c))
-			{
-				continue;
-			}
-
-			c_under = buf[(i + 1) * width + k].ch;
-			
-			if (!isspace(c_under))
-			{
-				continue;
-			}
-
-			if (!changes)
-			{
-				changes = true;
-			}
-
-			if ((rand() % 10) > 7)
-			{
-				continue;
-			}
-
-			buf[(i + 1) * width + k] = buf[i * width + k];
-			buf[i * width + k].ch = ' ';
-		}
-	}
-
-	// stop force-updating 
-	if (!changes)
-	{
-		sleep(7);
-		*fails = 0;
-
-		return false;
-	}
-
-	// force-update
-	return true;
-}

src/draw.h

@@ -1,92 +0,0 @@
-#ifndef H_LY_DRAW
-#define H_LY_DRAW
-
-#include "termbox.h"
-#include "inputs.h"
-
-#include <stdbool.h>
-#include <stdint.h>
-
-struct box
-{
-	uint32_t left_up;
-	uint32_t left_down;
-	uint32_t right_up;
-	uint32_t right_down;
-	uint32_t top;
-	uint32_t bot;
-	uint32_t left;
-	uint32_t right;
-};
-
-struct matrix_dot
-{
-	int val;
-	bool is_head;
-};
-
-struct matrix_state
-{
-	struct matrix_dot** grid;
-	int* length;
-	int* spaces;
-	int* updates;
-};
-
-struct doom_state
-{
-	uint8_t* buf;
-};
-
-union anim_state
-{
-	struct doom_state* doom;
-	struct matrix_state* matrix;
-};
-
-struct term_buf
-{
-	uint16_t width;
-	uint16_t height;
-	uint16_t init_width;
-	uint16_t init_height;
-
-	struct box box_chars;
-	char* info_line;
-	uint16_t labels_max_len;
-	uint16_t box_x;
-	uint16_t box_y;
-	uint16_t box_width;
-	uint16_t box_height;
-
-	union anim_state astate;
-};
-
-void draw_init(struct term_buf* buf);
-void draw_free(struct term_buf* buf);
-void draw_box(struct term_buf* buf);
-
-struct tb_cell* strn_cell(char* s, uint16_t len);
-struct tb_cell* str_cell(char* s);
-
-void draw_labels(struct term_buf* buf);
-void draw_f_commands();
-void draw_lock_state(struct term_buf* buf);
-void draw_desktop(struct desktop* target);
-void draw_input(struct text* input);
-void draw_input_mask(struct text* input);
-
-void position_input(
-	struct term_buf* buf,
-	struct desktop* desktop,
-	struct text* login,
-	struct text* password);
-
-void animate_init(struct term_buf* buf);
-void animate(struct term_buf* buf);
-bool cascade(struct term_buf* buf, uint8_t* fails);
-
-void draw_bigclock(struct term_buf *buf);
-void draw_clock(struct term_buf *buf);
-
-#endif

src/enums.zig

@@ -0,0 +1,30 @@
+pub const Animation = enum {
+    none,
+    doom,
+    matrix,
+};
+
+pub const DisplayServer = enum {
+    wayland,
+    shell,
+    xinitrc,
+    x11,
+};
+
+pub const Input = enum {
+    info_line,
+    session,
+    login,
+    password,
+};
+
+pub const ViMode = enum {
+    normal,
+    insert,
+};
+
+pub const Bigclock = enum {
+    none,
+    en,
+    fa,
+};

src/inputs.c

@@ -1,285 +0,0 @@
-#include "dragonfail.h"
-#include "termbox.h"
-#include "inputs.h"
-#include "config.h"
-
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/mman.h>
-#include <ctype.h>
-
-void handle_desktop(void* input_struct, struct tb_event* event)
-{
-	struct desktop* target = (struct desktop*) input_struct;
-
-	if ((event != NULL) && (event->type == TB_EVENT_KEY))
-	{
-		if (event->key == TB_KEY_ARROW_LEFT || (event->key == TB_KEY_CTRL_H))
-		{
-			input_desktop_right(target);
-		}
-		else if (event->key == TB_KEY_ARROW_RIGHT || (event->key == TB_KEY_CTRL_L))
-		{
-			input_desktop_left(target);
-		}
-	}
-
-	tb_set_cursor(target->x + 2, target->y);
-}
-
-void handle_text(void* input_struct, struct tb_event* event)
-{
-	struct text* target = (struct text*) input_struct;
-
-	if ((event != NULL) && (event->type == TB_EVENT_KEY))
-	{
-		if (event->key == TB_KEY_ARROW_LEFT)
-		{
-			input_text_left(target);
-		}
-		else if (event->key == TB_KEY_ARROW_RIGHT)
-		{
-			input_text_right(target);
-		}
-		else if (event->key == TB_KEY_DELETE)
-		{
-			input_text_delete(target);
-		}
-		else if ((event->key == TB_KEY_BACKSPACE)
-			|| (event->key == TB_KEY_BACKSPACE2))
-		{
-			input_text_backspace(target);
-		}
-		else if (((event->ch > 31) && (event->ch < 127))
-			|| (event->key == TB_KEY_SPACE))
-		{
-			char buf[7] = {0};
-
-			if (event->key == TB_KEY_SPACE)
-			{
-				buf[0] = ' ';
-			}
-			else
-			{
-				utf8_unicode_to_char(buf, event->ch);
-			}
-
-			input_text_write(target, buf[0]);
-		}
-	}
-
-	tb_set_cursor(
-		target->x + (target->cur - target->visible_start),
-		target->y);
-}
-
-void input_desktop(struct desktop* target)
-{
-	target->list = NULL;
-    target->list_simple = NULL;
-	target->cmd = NULL;
-	target->display_server = NULL;
-	target->cur = 0;
-	target->len = 0;
-
-	input_desktop_add(target, strdup(lang.shell), strdup(""), DS_SHELL);
-	input_desktop_add(target, strdup(lang.xinitrc), strdup(config.xinitrc), DS_XINITRC);
-#if 0
-	input_desktop_add(target, strdup(lang.wayland), strdup(""), DS_WAYLAND);
-#endif
-}
-
-void input_text(struct text* target, uint64_t len)
-{
-	target->text = malloc(len + 1);
-
-	if (target->text == NULL)
-	{
-		dgn_throw(DGN_ALLOC);
-		return;
-	}
-	else
-	{
-		int ok = mlock(target->text, len + 1);
-
-		if (ok < 0)
-		{
-			dgn_throw(DGN_MLOCK);
-			return;
-		}
-
-		memset(target->text, 0, len + 1);
-	}
-
-	target->cur = target->text;
-	target->end = target->text;
-	target->visible_start = target->text;
-	target->len = len;
-	target->x = 0;
-	target->y = 0;
-}
-
-void input_desktop_free(struct desktop* target)
-{
-	if (target != NULL)
-	{
-		for (uint16_t i = 0; i < target->len; ++i)
-		{
-			if (target->list[i] != NULL)
-			{
-				free(target->list[i]);
-			}
-
-			if (target->cmd[i] != NULL)
-			{
-				free(target->cmd[i]);
-			}
-		}
-
-		free(target->list);
-		free(target->cmd);
-		free(target->display_server);
-	}
-}
-
-void input_text_free(struct text* target)
-{
-	memset(target->text, 0, target->len);
-	munlock(target->text, target->len + 1);
-	free(target->text);
-}
-
-void input_desktop_right(struct desktop* target)
-{
-	++(target->cur);
-
-	if (target->cur >= target->len)
-	{
-		target->cur = 0;
-	}
-}
-
-void input_desktop_left(struct desktop* target)
-{
-	--(target->cur);
-
-	if (target->cur >= target->len)
-	{
-		target->cur = target->len - 1;
-	}
-}
-
-void input_desktop_add(
-	struct desktop* target,
-	char* name,
-	char* cmd,
-	enum display_server display_server)
-{
-	++(target->len);
-	target->list = realloc(target->list, target->len * (sizeof (char*)));
-    target->list_simple = realloc(target->list_simple, target->len * (sizeof (char*)));
-    target->cmd = realloc(target->cmd, target->len * (sizeof (char*)));
-	target->display_server = realloc(
-		target->display_server,
-		target->len * (sizeof (enum display_server)));
-	target->cur = target->len - 1;
-
-	if ((target->list == NULL)
-		|| (target->cmd == NULL)
-		|| (target->display_server == NULL))
-	{
-		dgn_throw(DGN_ALLOC);
-		return;
-	}
-
-    target->list[target->cur] = name;
-
-    int name_len = strlen(name);
-    char* name_simple = strdup(name);
-
-    if (strstr(name_simple, " ") != NULL)
-    {
-        name_simple = strtok(name_simple, " ");
-    }
-
-    for (int i = 0; i < name_len; i++)
-    {
-        name_simple[i] = tolower(name_simple[i]);
-    }
-
-    target->list_simple[target->cur] = name_simple;
-    target->cmd[target->cur] = cmd;
-	target->display_server[target->cur] = display_server;
-}
-
-void input_text_right(struct text* target)
-{
-	if (target->cur < target->end)
-	{
-		++(target->cur);
-
-		if ((target->cur - target->visible_start) > target->visible_len)
-		{
-			++(target->visible_start);
-		}
-	}
-}
-
-void input_text_left(struct text* target)
-{
-	if (target->cur > target->text)
-	{
-		--(target->cur);
-
-		if ((target->cur - target->visible_start) < 0)
-		{
-			--(target->visible_start);
-		}
-	}
-}
-
-void input_text_write(struct text* target, char ascii)
-{
-	if (ascii <= 0)
-	{
-		return; // unices do not support usernames and passwords other than ascii
-	}
-
-	if ((target->end - target->text + 1) < target->len)
-	{
-		// moves the text to the right to add space for the new ascii char
-		memcpy(target->cur + 1, target->cur, target->end - target->cur);
-		++(target->end);
-		// adds the new char and moves the cursor to the right
-		*(target->cur) = ascii;
-		input_text_right(target);
-	}
-}
-
-void input_text_delete(struct text* target)
-{
-	if (target->cur < target->end)
-	{
-		// moves the text on the right to overwrite the currently pointed char
-		memcpy(target->cur, target->cur + 1, target->end - target->cur + 1);
-		--(target->end);
-	}
-}
-
-void input_text_backspace(struct text* target)
-{
-	if (target->cur > target->text)
-	{
-		input_text_left(target);
-		input_text_delete(target);
-	}
-}
-
-void input_text_clear(struct text* target)
-{
-	memset(target->text, 0, target->len + 1);
-	target->cur = target->text;
-	target->end = target->text;
-	target->visible_start = target->text;
-}

src/inputs.h

@@ -1,57 +0,0 @@
-#ifndef H_LY_INPUTS
-#define H_LY_INPUTS
-
-#include "termbox.h"
-
-#include <stdint.h>
-
-enum display_server {DS_WAYLAND, DS_SHELL, DS_XINITRC, DS_XORG};
-
-struct text
-{
-	char* text;
-	char* end;
-	int64_t len;
-	char* cur;
-	char* visible_start;
-	uint16_t visible_len;
-
-	uint16_t x;
-	uint16_t y;
-};
-
-struct desktop
-{
-	char** list;
-    char** list_simple;
-	char** cmd;
-	enum display_server* display_server;
-
-	uint16_t cur;
-	uint16_t len;
-	uint16_t visible_len;
-	uint16_t x;
-	uint16_t y;
-};
-
-void handle_desktop(void* input_struct, struct tb_event* event);
-void handle_text(void* input_struct, struct tb_event* event);
-void input_desktop(struct desktop* target);
-void input_text(struct text* target, uint64_t len);
-void input_desktop_free(struct desktop* target);
-void input_text_free(struct text* target);
-void input_desktop_right(struct desktop* target);
-void input_desktop_left(struct desktop* target);
-void input_desktop_add(
-	struct desktop* target,
-	char* name,
-	char* cmd,
-	enum display_server display_server);
-void input_text_right(struct text* target);
-void input_text_left(struct text* target);
-void input_text_write(struct text* target, char ascii);
-void input_text_delete(struct text* target);
-void input_text_backspace(struct text* target);
-void input_text_clear(struct text* target);
-
-#endif

src/interop.zig

@@ -0,0 +1,111 @@
+const std = @import("std");
+const builtin = @import("builtin");
+const Allocator = std.mem.Allocator;
+
+pub const termbox = @import("termbox2");
+
+pub const pam = @cImport({
+    @cInclude("security/pam_appl.h");
+});
+
+pub const utmp = @cImport({
+    @cInclude("utmpx.h");
+});
+
+// Exists for X11 support only
+pub const xcb = @cImport({
+    @cInclude("xcb/xcb.h");
+});
+
+pub const unistd = @cImport({
+    @cInclude("unistd.h");
+});
+
+pub const time = @cImport({
+    @cInclude("time.h");
+});
+
+pub const system_time = @cImport({
+    @cInclude("sys/time.h");
+});
+
+pub const stdlib = @cImport({
+    @cInclude("stdlib.h");
+});
+
+pub const pwd = @cImport({
+    @cInclude("pwd.h");
+    // We include a FreeBSD-specific header here since login_cap.h references
+    // the passwd struct directly, so we can't import it separately'
+    if (builtin.os.tag == .freebsd) @cInclude("login_cap.h");
+});
+
+pub const grp = @cImport({
+    @cInclude("grp.h");
+});
+
+// BSD-specific headers
+pub const kbio = @cImport({
+    @cInclude("sys/kbio.h");
+});
+
+// Linux-specific headers
+pub const kd = @cImport({
+    @cInclude("sys/kd.h");
+});
+
+pub const vt = @cImport({
+    @cInclude("sys/vt.h");
+});
+
+// Used for getting & setting the lock state
+const LedState = if (builtin.os.tag.isBSD()) c_int else c_char;
+const get_led_state = if (builtin.os.tag.isBSD()) kbio.KDGETLED else kd.KDGKBLED;
+const set_led_state = if (builtin.os.tag.isBSD()) kbio.KDSETLED else kd.KDSKBLED;
+const numlock_led = if (builtin.os.tag.isBSD()) kbio.LED_NUM else kd.K_NUMLOCK;
+const capslock_led = if (builtin.os.tag.isBSD()) kbio.LED_CAP else kd.K_CAPSLOCK;
+
+pub fn timeAsString(buf: [:0]u8, format: [:0]const u8) ![]u8 {
+    const timer = std.time.timestamp();
+    const tm_info = time.localtime(&timer);
+
+    const len = time.strftime(buf, buf.len, format, tm_info);
+    if (len < 0) return error.CannotGetFormattedTime;
+
+    return buf[0..len];
+}
+
+pub fn switchTty(console_dev: []const u8, tty: u8) !void {
+    const fd = try std.posix.open(console_dev, .{ .ACCMODE = .WRONLY }, 0);
+    defer std.posix.close(fd);
+
+    _ = std.c.ioctl(fd, vt.VT_ACTIVATE, tty);
+    _ = std.c.ioctl(fd, vt.VT_WAITACTIVE, tty);
+}
+
+pub fn getLockState(console_dev: []const u8) !struct {
+    numlock: bool,
+    capslock: bool,
+} {
+    const fd = try std.posix.open(console_dev, .{ .ACCMODE = .RDONLY }, 0);
+    defer std.posix.close(fd);
+
+    var led: LedState = undefined;
+    _ = std.c.ioctl(fd, get_led_state, &led);
+
+    return .{
+        .numlock = (led & numlock_led) != 0,
+        .capslock = (led & capslock_led) != 0,
+    };
+}
+
+pub fn setNumlock(val: bool) !void {
+    var led: LedState = undefined;
+    _ = std.c.ioctl(0, get_led_state, &led);
+
+    const numlock = (led & numlock_led) != 0;
+    if (numlock != val) {
+        const status = std.c.ioctl(std.posix.STDIN_FILENO, set_led_state, led ^ numlock_led);
+        if (status != 0) return error.FailedToSetNumlock;
+    }
+}

src/login.c

@@ -1,715 +0,0 @@
-#include "dragonfail.h"
-#include "termbox.h"
-
-#include "inputs.h"
-#include "draw.h"
-#include "utils.h"
-#include "config.h"
-#include "login.h"
-
-#include <errno.h>
-#include <grp.h>
-#include <pwd.h>
-#include <security/pam_appl.h>
-#include <signal.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <sys/wait.h>
-#include <unistd.h>
-#include <utmp.h>
-#include <xcb/xcb.h>
-
-int get_free_display()
-{
-	char xlock[1024];
-	uint8_t i;
-
-	for (i = 0; i < 200; ++i)
-	{
-		snprintf(xlock, 1024, "/tmp/.X%d-lock", i);
-
-		if (access(xlock, F_OK) == -1)
-		{
-			break;
-		}
-	}
-
-	return i;
-}
-
-void reset_terminal(struct passwd* pwd)
-{
-	pid_t pid = fork();
-
-	if (pid == 0)
-	{
-		execl(pwd->pw_shell, pwd->pw_shell, "-c", config.term_reset_cmd, NULL);
-		exit(EXIT_SUCCESS);
-	}
-
-	int status;
-	waitpid(pid, &status, 0);
-}
-
-int login_conv(
-	int num_msg,
-	const struct pam_message** msg,
-	struct pam_response** resp,
-	void* appdata_ptr)
-{
-	*resp = calloc(num_msg, sizeof (struct pam_response));
-
-	if (*resp == NULL)
-	{
-		return PAM_BUF_ERR;
-	}
-
-	char* username;
-	char* password;
-	int ok = PAM_SUCCESS;
-	int i;
-
-	for (i = 0; i < num_msg; ++i)
-	{
-		switch (msg[i]->msg_style)
-		{
-			case PAM_PROMPT_ECHO_ON:
-			{
-				username = ((char**) appdata_ptr)[0];
-				(*resp)[i].resp = strdup(username);
-				break;
-			}
-			case PAM_PROMPT_ECHO_OFF:
-			{
-				password = ((char**) appdata_ptr)[1];
-				(*resp)[i].resp = strdup(password);
-				break;
-			}
-			case PAM_ERROR_MSG:
-			{
-				ok = PAM_CONV_ERR;
-				break;
-			}
-		}
-
-		if (ok != PAM_SUCCESS)
-		{
-			break;
-		}
-	}
-
-	if (ok != PAM_SUCCESS)
-	{
-		for (i = 0; i < num_msg; ++i)
-		{
-			if ((*resp)[i].resp == NULL)
-			{
-				continue;
-			}
-
-			free((*resp)[i].resp);
-			(*resp)[i].resp = NULL;
-		}
-
-		free(*resp);
-		*resp = NULL;
-	}
-
-	return ok;
-}
-
-void pam_diagnose(int error, struct term_buf* buf)
-{
-	switch (error)
-	{
-		case PAM_ACCT_EXPIRED:
-		{
-			buf->info_line = lang.err_pam_acct_expired;
-			break;
-		}
-		case PAM_AUTH_ERR:
-		{
-			buf->info_line = lang.err_pam_auth;
-			break;
-		}
-		case PAM_AUTHINFO_UNAVAIL:
-		{
-			buf->info_line = lang.err_pam_authinfo_unavail;
-			break;
-		}
-		case PAM_BUF_ERR:
-		{
-			buf->info_line = lang.err_pam_buf;
-			break;
-		}
-		case PAM_CRED_ERR:
-		{
-			buf->info_line = lang.err_pam_cred_err;
-			break;
-		}
-		case PAM_CRED_EXPIRED:
-		{
-			buf->info_line = lang.err_pam_cred_expired;
-			break;
-		}
-		case PAM_CRED_INSUFFICIENT:
-		{
-			buf->info_line = lang.err_pam_cred_insufficient;
-			break;
-		}
-		case PAM_CRED_UNAVAIL:
-		{
-			buf->info_line = lang.err_pam_cred_unavail;
-			break;
-		}
-		case PAM_MAXTRIES:
-		{
-			buf->info_line = lang.err_pam_maxtries;
-			break;
-		}
-		case PAM_NEW_AUTHTOK_REQD:
-		{
-			buf->info_line = lang.err_pam_authok_reqd;
-			break;
-		}
-		case PAM_PERM_DENIED:
-		{
-			buf->info_line = lang.err_pam_perm_denied;
-			break;
-		}
-		case PAM_SESSION_ERR:
-		{
-			buf->info_line = lang.err_pam_session;
-			break;
-		}
-		case PAM_SYSTEM_ERR:
-		{
-			buf->info_line = lang.err_pam_sys;
-			break;
-		}
-		case PAM_USER_UNKNOWN:
-		{
-			buf->info_line = lang.err_pam_user_unknown;
-			break;
-		}
-		case PAM_ABORT:
-		default:
-		{
-			buf->info_line = lang.err_pam_abort;
-			break;
-		}
-	}
-
-	dgn_throw(DGN_PAM);
-}
-
-void env_init(struct passwd* pwd)
-{
-	extern char** environ;
-	char* term = getenv("TERM");
-	char* lang = getenv("LANG");
-	// clean env
-	environ[0] = NULL;
-	
-	setenv("TERM", term ? term : "linux", 1);
-	setenv("HOME", pwd->pw_dir, 1);
-	setenv("PWD", pwd->pw_dir, 1);
-	setenv("SHELL", pwd->pw_shell, 1);
-	setenv("USER", pwd->pw_name, 1);
-	setenv("LOGNAME", pwd->pw_name, 1);
-	setenv("LANG", lang ? lang : "C", 1);
-
-	// Set PATH if specified in the configuration
-	if (strlen(config.path))
-	{
-		int ok = setenv("PATH", config.path, 1);
-
-		if (ok != 0)
-		{
-			dgn_throw(DGN_PATH);
-		}
-	}
-}
-
-void env_xdg_session(const enum display_server display_server)
-{
-	switch (display_server)
-	{
-		case DS_WAYLAND:
-		{
-			setenv("XDG_SESSION_TYPE", "wayland", 1);
-			break;
-		}
-		case DS_SHELL:
-		{
-			setenv("XDG_SESSION_TYPE", "tty", 0);
-			break;
-		}
-		case DS_XINITRC:
-		case DS_XORG:
-		{
-			setenv("XDG_SESSION_TYPE", "x11", 0);
-			break;
-		}
-	}
-}
-
-void env_xdg(const char* tty_id, const char* desktop_name)
-{
-    char user[20];
-    snprintf(user, 20, "/run/user/%d", getuid());
-    setenv("XDG_RUNTIME_DIR", user, 0);
-    setenv("XDG_SESSION_CLASS", "user", 0);
-    setenv("XDG_SESSION_ID", "1", 0);
-    setenv("XDG_SESSION_DESKTOP", desktop_name, 0);
-    setenv("XDG_SEAT", "seat0", 0);
-    setenv("XDG_VTNR", tty_id, 0);
-}
-
-void add_utmp_entry(
-	struct utmp *entry,
-	char *username,
-	pid_t display_pid
-) {
-	entry->ut_type = USER_PROCESS;
-	entry->ut_pid = display_pid;
-	strcpy(entry->ut_line, ttyname(STDIN_FILENO) + strlen("/dev/"));
-
-	/* only correct for ptys named /dev/tty[pqr][0-9a-z] */
-	strcpy(entry->ut_id, ttyname(STDIN_FILENO) + strlen("/dev/tty"));
-
-	time((long int *) &entry->ut_time);
-
-	strncpy(entry->ut_user, username, UT_NAMESIZE);
-	memset(entry->ut_host, 0, UT_HOSTSIZE);
-	entry->ut_addr = 0;
-	setutent();
-
-	pututline(entry);
-}
-
-void remove_utmp_entry(struct utmp *entry) {
-	entry->ut_type = DEAD_PROCESS;
-	memset(entry->ut_line, 0, UT_LINESIZE);
-	entry->ut_time = 0;
-	memset(entry->ut_user, 0, UT_NAMESIZE);
-	setutent();
-	pututline(entry);
-	endutent();
-}
-
-void xauth(const char* display_name, const char* shell, char* pwd)
-{
-	const char* xauth_file = "lyxauth";
-	char* xauth_dir = getenv("XDG_RUNTIME_DIR");
-	if ((xauth_dir == NULL) || (*xauth_dir == '\0'))
-	{
-		xauth_dir = getenv("XDG_CONFIG_HOME");
-		struct stat sb;
-		if ((xauth_dir == NULL) || (*xauth_dir == '\0'))
-		{
-			xauth_dir = strdup(pwd);
-			strcat(xauth_dir, "/.config");
-			stat(xauth_dir, &sb);
-			if (S_ISDIR(sb.st_mode))
-			{
-				strcat(xauth_dir, "/ly");
-			}
-			else
-			{
-				xauth_dir = pwd;
-				xauth_file = ".lyxauth";
-			}
-		}
-		else
-		{
-			strcat(xauth_dir, "/ly");
-		}
-
-		// If .config/ly/ or XDG_CONFIG_HOME/ly/ doesn't exist and can't create the directory, use pwd
-		// Passing pwd beforehand is safe since stat will always evaluate false
-		stat(xauth_dir, &sb);
-		if (!S_ISDIR(sb.st_mode) && mkdir(xauth_dir, 0777) == -1)
-		{
-			xauth_dir = pwd;
-			xauth_file = ".lyxauth";
-		}
-	}
-
-	// trim trailing slashes
-	int i = strlen(xauth_dir) - 1;
-	while (xauth_dir[i] == '/') i--;
-	xauth_dir[i + 1] = '\0';
-
-	char xauthority[256];
-	snprintf(xauthority, 256, "%s/%s", xauth_dir, xauth_file);
-	setenv("XAUTHORITY", xauthority, 1);
-	setenv("DISPLAY", display_name, 1);
-
-	FILE* fp = fopen(xauthority, "ab+");
-
-	if (fp != NULL)
-	{
-		fclose(fp);
-	}
-
-	pid_t pid = fork();
-
-	if (pid == 0)
-	{
-		char cmd[1024];
-		snprintf(
-			cmd,
-			1024,
-			"%s add %s . `%s`",
-			config.xauth_cmd,
-			display_name,
-			config.mcookie_cmd);
-		execl(shell, shell, "-c", cmd, NULL);
-		exit(EXIT_SUCCESS);
-	}
-
-	int status;
-	waitpid(pid, &status, 0);
-}
-
-void xorg(
-	struct passwd* pwd,
-	const char* vt,
-	const char* desktop_cmd)
-{
-	char display_name[4];
-
-	snprintf(display_name, 3, ":%d", get_free_display());
-	xauth(display_name, pwd->pw_shell, pwd->pw_dir);
-
-	// start xorg
-	pid_t pid = fork();
-
-	if (pid == 0)
-	{
-		char x_cmd[1024];
-		snprintf(
-			x_cmd,
-			1024,
-			"%s %s %s",
-			config.x_cmd,
-			display_name,
-			vt);
-		execl(pwd->pw_shell, pwd->pw_shell, "-c", x_cmd, NULL);
-		exit(EXIT_SUCCESS);
-	}
-
-	int ok;
-	xcb_connection_t* xcb;
-
-	do
-	{
-		xcb = xcb_connect(NULL, NULL);
-		ok = xcb_connection_has_error(xcb);
-		kill(pid, 0);
-	}
-	while((ok != 0) && (errno != ESRCH));
-
-	if (ok != 0)
-	{
-		return;
-	}
-
-	pid_t xorg_pid = fork();
-
-	if (xorg_pid == 0)
-	{
-		char de_cmd[1024];
-		snprintf(
-			de_cmd,
-			1024,
-			"%s %s",
-			config.x_cmd_setup,
-			desktop_cmd);
-		execl(pwd->pw_shell, pwd->pw_shell, "-c", de_cmd, NULL);
-		exit(EXIT_SUCCESS);
-	}
-
-	int status;
-	waitpid(xorg_pid, &status, 0);
-	xcb_disconnect(xcb);
-	kill(pid, 0);
-
-	if (errno != ESRCH)
-	{
-		kill(pid, SIGTERM);
-		waitpid(pid, &status, 0);
-	}
-}
-
-void wayland(
-	struct passwd* pwd,
-	const char* desktop_cmd)
-{
-
-	char cmd[1024];
-	snprintf(cmd, 1024, "%s %s", config.wayland_cmd, desktop_cmd);
-	execl(pwd->pw_shell, pwd->pw_shell, "-c", cmd, NULL);
-}
-
-void shell(struct passwd* pwd)
-{
-	const char* pos = strrchr(pwd->pw_shell, '/');
-	char args[1024];
-	args[0] = '-';
-
-	if (pos != NULL)
-	{
-		pos = pos + 1;
-	}
-	else
-	{
-		pos = pwd->pw_shell;
-	}
-
-	strncpy(args + 1, pos, 1023);
-	execl(pwd->pw_shell, args, NULL);
-}
-
-// pam_do performs the pam action specified in pam_action
-// on pam_action fail, call diagnose and end pam session
-int pam_do(
-	int (pam_action)(struct pam_handle *, int),
-	struct pam_handle *handle,
-	int flags,
-	struct term_buf *buf)
-{
-	int status = pam_action(handle, flags);
-
-	if (status != PAM_SUCCESS) {
-		pam_diagnose(status, buf);
-		pam_end(handle, status);
-	}
-
-	return status;
-}
-
-void auth(
-	struct desktop* desktop,
-	struct text* login,
-	struct text* password,
-	struct term_buf* buf)
-{
-	int ok;
-
-    char tty_id [3];
-    snprintf(tty_id, 3, "%d", config.tty);
-
-    // Add XDG environment variables
-    env_xdg_session(desktop->display_server[desktop->cur]);
-    env_xdg(tty_id, desktop->list_simple[desktop->cur]);
-
-	// open pam session
-	const char* creds[2] = {login->text, password->text};
-	struct pam_conv conv = {login_conv, creds};
-	struct pam_handle* handle;
-
-	ok = pam_start(config.service_name, NULL, &conv, &handle);
-
-	if (ok != PAM_SUCCESS)
-	{
-		pam_diagnose(ok, buf);
-		pam_end(handle, ok);
-		return;
-	}
-
-	ok = pam_do(pam_authenticate, handle, 0, buf);
-
-	if (ok != PAM_SUCCESS)
-	{
-		return;
-	}
-
-	ok = pam_do(pam_acct_mgmt, handle, 0, buf);
-
-	if (ok != PAM_SUCCESS)
-	{
-		return;
-	}
-
-	ok = pam_do(pam_setcred, handle, PAM_ESTABLISH_CRED, buf);
-
-	if (ok != PAM_SUCCESS)
-	{
-		return;
-	}
-
-	ok = pam_do(pam_open_session, handle, 0, buf);
-
-	if (ok != PAM_SUCCESS)
-	{
-		return;
-	}
-
-	// clear the credentials
-	input_text_clear(password);
-
-	// get passwd structure
-	struct passwd* pwd = getpwnam(login->text);
-	endpwent();
-
-	if (pwd == NULL)
-	{
-		dgn_throw(DGN_PWNAM);
-		pam_end(handle, ok);
-		return;
-	}
-
-	// set user shell
-	if (pwd->pw_shell[0] == '\0')
-	{
-		setusershell();
-
-		char* shell = getusershell();
-
-		if (shell != NULL)
-		{
-			strcpy(pwd->pw_shell, shell);
-		}
-
-		endusershell();
-	}
-
-	// restore regular terminal mode
-	tb_clear();
-	tb_present();
-	tb_shutdown();
-
-	// start desktop environment
-	pid_t pid = fork();
-
-	if (pid == 0)
-	{
-		// set user info
-		ok = initgroups(pwd->pw_name, pwd->pw_gid);
-
-		if (ok != 0)
-		{
-			dgn_throw(DGN_USER_INIT);
-			exit(EXIT_FAILURE);
-		}
-
-		ok = setgid(pwd->pw_gid);
-
-		if (ok != 0)
-		{
-			dgn_throw(DGN_USER_GID);
-			exit(EXIT_FAILURE);
-		}
-
-		ok = setuid(pwd->pw_uid);
-
-		if (ok != 0)
-		{
-			dgn_throw(DGN_USER_UID);
-			exit(EXIT_FAILURE);
-		}
-
-		// get a display
-		char vt[5];
-		snprintf(vt, 5, "vt%d", config.tty);
-
-		// set env (this clears the environment)
-		env_init(pwd);
-		// Re-add XDG environment variables from lines 508,509
-		env_xdg_session(desktop->display_server[desktop->cur]);
-		env_xdg(tty_id, desktop->list_simple[desktop->cur]);
-
-		if (dgn_catch())
-		{
-			exit(EXIT_FAILURE);
-		}
-
-		// add pam variables
-		char** env = pam_getenvlist(handle);
-
-		for (uint16_t i = 0; env && env[i]; ++i)
-		{
-			putenv(env[i]);
-		}
-
-		// execute
-		int ok = chdir(pwd->pw_dir);
-
-		if (ok != 0)
-		{
-			dgn_throw(DGN_CHDIR);
-			exit(EXIT_FAILURE);
-		}
-
-		reset_terminal(pwd);
-		switch (desktop->display_server[desktop->cur])
-		{
-			case DS_WAYLAND:
-			{
-				wayland(pwd, desktop->cmd[desktop->cur]);
-				break;
-			}
-			case DS_SHELL:
-			{
-				shell(pwd);
-				break;
-			}
-			case DS_XINITRC:
-			case DS_XORG:
-			{
-				xorg(pwd, vt, desktop->cmd[desktop->cur]);
-				break;
-			}
-		}
-
-		exit(EXIT_SUCCESS);
-	}
-
-	// add utmp audit
-	struct utmp entry;
-	add_utmp_entry(&entry, pwd->pw_name, pid);
-
-	// wait for the session to stop
-	int status;
-	waitpid(pid, &status, 0);
-	remove_utmp_entry(&entry);
-
-	reset_terminal(pwd);
-
-	// reinit termbox
-	tb_init();
-	tb_select_output_mode(TB_OUTPUT_NORMAL);
-
-	// reload the desktop environment list on logout
-	input_desktop_free(desktop);
-	input_desktop(desktop);
-	desktop_load(desktop);
-
-	// close pam session
-	ok = pam_do(pam_close_session, handle, 0, buf);
-
-	if (ok != PAM_SUCCESS)
-	{
-		return;
-	}
-
-	ok = pam_do(pam_setcred, handle, PAM_DELETE_CRED, buf);
-
-	if (ok != PAM_SUCCESS)
-	{
-		return;
-	}
-
-	ok = pam_end(handle, 0);
-
-	if (ok != PAM_SUCCESS)
-	{
-		pam_diagnose(ok, buf);
-	}
-}
-

src/login.h

@@ -1,13 +0,0 @@
-#ifndef H_LY_LOGIN
-#define H_LY_LOGIN
-
-#include "draw.h"
-#include "inputs.h"
-
-void auth(
-	struct desktop* desktop,
-	struct text* login,
-	struct text* password,
-	struct term_buf* buf);
-
-#endif

src/main.c

@@ -1,356 +0,0 @@
-#include "argoat.h"
-#include "configator.h"
-#include "dragonfail.h"
-#include "termbox.h"
-
-#include "draw.h"
-#include "inputs.h"
-#include "login.h"
-#include "utils.h"
-#include "config.h"
-
-#include <stdbool.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stddef.h>
-#include <string.h>
-#include <sys/time.h>
-#include <unistd.h>
-#include <stdlib.h>
-
-#define ARG_COUNT 7
-
-#ifndef LY_VERSION
-#define LY_VERSION "0.6.0"
-#endif
-
-// global
-struct lang lang;
-struct config config;
-
-// args handles
-void arg_help(void* data, char** pars, const int pars_count)
-{
-	printf("If you want to configure Ly, please check the config file, usually located at /etc/ly/config.ini.\n");
-    exit(0);
-}
-
-void arg_version(void* data, char** pars, const int pars_count)
-{
-    printf("Ly version %s\n", LY_VERSION);
-    exit(0);
-}
-
-// low-level error messages
-void log_init(char** log)
-{
-	log[DGN_OK] = lang.err_dgn_oob;
-	log[DGN_NULL] = lang.err_null;
-	log[DGN_ALLOC] = lang.err_alloc;
-	log[DGN_BOUNDS] = lang.err_bounds;
-	log[DGN_DOMAIN] = lang.err_domain;
-	log[DGN_MLOCK] = lang.err_mlock;
-	log[DGN_XSESSIONS_DIR] = lang.err_xsessions_dir;
-	log[DGN_XSESSIONS_OPEN] = lang.err_xsessions_open;
-	log[DGN_PATH] = lang.err_path;
-	log[DGN_CHDIR] = lang.err_chdir;
-	log[DGN_PWNAM] = lang.err_pwnam;
-	log[DGN_USER_INIT] = lang.err_user_init;
-	log[DGN_USER_GID] = lang.err_user_gid;
-	log[DGN_USER_UID] = lang.err_user_uid;
-	log[DGN_PAM] = lang.err_pam;
-	log[DGN_HOSTNAME] = lang.err_hostname;
-}
-
-void arg_config(void* data, char** pars, const int pars_count)
-{
-	*((char **)data) = *pars;
-}
-
-// ly!
-int main(int argc, char** argv)
-{
-	// init error lib
-	log_init(dgn_init());
-
-	// load config
-	config_defaults();
-	lang_defaults();
-
-	char *config_path = NULL;
-	// parse args
-	const struct argoat_sprig sprigs[ARG_COUNT] =
-	{
-		{NULL, 0, NULL, NULL},
-		{"config", 0, &config_path, arg_config},
-		{"c", 0, &config_path, arg_config},
-		{"help", 0, NULL, arg_help},
-		{"h", 0, NULL, arg_help},
-		{"version", 0, NULL, arg_version},
-		{"v", 0, NULL, arg_version},
-	};
-
-	struct argoat args = {sprigs, ARG_COUNT, NULL, 0, 0};
-	argoat_graze(&args, argc, argv);
-
-	// init inputs
-	struct desktop desktop;
-	struct text login;
-	struct text password;
-	input_desktop(&desktop);
-	input_text(&login, config.max_login_len);
-	input_text(&password, config.max_password_len);
-
-	if (dgn_catch())
-	{
-		config_free();
-		lang_free();
-		return 1;
-	}
-
-	config_load(config_path);
-	lang_load();
-
-	void* input_structs[3] =
-	{
-		(void*) &desktop,
-		(void*) &login,
-		(void*) &password,
-	};
-
-	void (*input_handles[3]) (void*, struct tb_event*) =
-	{
-		handle_desktop,
-		handle_text,
-		handle_text,
-	};
-
-	desktop_load(&desktop);
-	load(&desktop, &login);
-
-	// start termbox
-	tb_init();
-	tb_select_output_mode(TB_OUTPUT_NORMAL);
-	tb_clear();
-
-	// init visible elements
-	struct tb_event event;
-	struct term_buf buf;
-	
-	//Place the curser on the login field if there is no saved username, if there is, place the curser on the password field
-	uint8_t active_input;
-        if (config.default_input == LOGIN_INPUT && login.text != login.end){
-        	active_input = PASSWORD_INPUT;
-        }
-        else{
-        	active_input = config.default_input;
-        }
-
-
-	// init drawing stuff
-	draw_init(&buf);
-
-	// draw_box and position_input are called because they need to be
-	// called before *input_handles[active_input] for the cursor to be
-	// positioned correctly
-	draw_box(&buf);
-	position_input(&buf, &desktop, &login, &password);
-	(*input_handles[active_input])(input_structs[active_input], NULL);
-
-	if (config.animate)
-	{
-		animate_init(&buf);
-
-		if (dgn_catch())
-		{
-			config.animate = false;
-			dgn_reset();
-		}
-	}
-
-	// init state info
-	int error;
-	bool run = true;
-	bool update = true;
-	bool reboot = false;
-	bool shutdown = false;
-	uint8_t auth_fails = 0;
-
-	switch_tty(&buf);
-
-	// main loop
-	while (run)
-	{
-		if (update)
-		{
-			if (auth_fails < 10)
-			{
-				(*input_handles[active_input])(input_structs[active_input], NULL);
-				tb_clear();
-				animate(&buf);
-				draw_bigclock(&buf);
-				draw_box(&buf);
-				draw_clock(&buf);
-				draw_labels(&buf);
-				if(!config.hide_f1_commands)
-					draw_f_commands();
-				draw_lock_state(&buf);
-				position_input(&buf, &desktop, &login, &password);
-				draw_desktop(&desktop);
-				draw_input(&login);
-				draw_input_mask(&password);
-				update = config.animate;
-			}
-			else
-			{
-				usleep(10000);
-				update = cascade(&buf, &auth_fails);
-			}
-
-			tb_present();
-		}
-
-		int timeout = -1;
-
-		if (config.animate)
-		{
-			timeout = config.min_refresh_delta;
-		}
-		else
-		{
-			struct timeval tv;
-			gettimeofday(&tv, NULL);
-			if (config.bigclock)
-				timeout = (60 - tv.tv_sec % 60) * 1000 - tv.tv_usec / 1000 + 1;
-			if (config.clock)
-				timeout = 1000 - tv.tv_usec / 1000 + 1;
-		}
-
-		if (timeout == -1)
-        {
-            error = tb_poll_event(&event);
-        }
-		else
-        {
-            error = tb_peek_event(&event, timeout);
-        }
-
-		if (error < 0)
-		{
-			continue;
-		}
-
-		if (event.type == TB_EVENT_KEY)
-		{
-			switch (event.key)
-			{
-			case TB_KEY_F1:
-				shutdown = true;
-				run = false;
-				break;
-			case TB_KEY_F2:
-				reboot = true;
-				run = false;
-				break;
-			case TB_KEY_CTRL_C:
-				run = false;
-				break;
-			case TB_KEY_CTRL_U:
-				if (active_input > 0)
-				{
-					input_text_clear(input_structs[active_input]);
-					update = true;
-				}
-				break;
-			case TB_KEY_CTRL_K:
-			case TB_KEY_ARROW_UP:
-				if (active_input > 0)
-				{
-					--active_input;
-					update = true;
-				}
-				break;
-			case TB_KEY_CTRL_J:
-			case TB_KEY_ARROW_DOWN:
-				if (active_input < 2)
-				{
-					++active_input;
-					update = true;
-				}
-				break;
-			case TB_KEY_TAB:
-				++active_input;
-
-				if (active_input > 2)
-				{
-					active_input = SESSION_SWITCH;
-				}
-				update = true;
-				break;
-			case TB_KEY_ENTER:
-				save(&desktop, &login);
-				auth(&desktop, &login, &password, &buf);
-				update = true;
-
-				if (dgn_catch())
-				{
-					++auth_fails;
-					// move focus back to password input
-					active_input = PASSWORD_INPUT;
-
-					if (dgn_output_code() != DGN_PAM)
-					{
-						buf.info_line = dgn_output_log();
-					}
-
-					if (config.blank_password)
-					{
-						input_text_clear(&password);
-					}
-
-					dgn_reset();
-				}
-				else
-				{
-					buf.info_line = lang.logout;
-				}
-
-				load(&desktop, &login);
-				system("tput cnorm");
-				break;
-			default:
-				(*input_handles[active_input])(
-					input_structs[active_input],
-					&event);
-				update = true;
-				break;
-			}
-		}
-	}
-
-	// stop termbox
-	tb_shutdown();
-
-	// free inputs
-	input_desktop_free(&desktop);
-	input_text_free(&login);
-	input_text_free(&password);
-	free_hostname();
-
-	// unload config
-	draw_free(&buf);
-	lang_free();
-
-	if (shutdown)
-	{
-		execl("/bin/sh", "sh", "-c", config.shutdown_cmd, NULL);
-	}
-    else if (reboot)
-	{
-		execl("/bin/sh", "sh", "-c", config.restart_cmd, NULL);
-	}
-
-	config_free();
-
-	return 0;
-}

src/main.zig

@@ -0,0 +1,889 @@
+const std = @import("std");
+const build_options = @import("build_options");
+const builtin = @import("builtin");
+const clap = @import("clap");
+const ini = @import("zigini");
+const auth = @import("auth.zig");
+const bigclock = @import("bigclock.zig");
+const interop = @import("interop.zig");
+const Doom = @import("animations/Doom.zig");
+const Matrix = @import("animations/Matrix.zig");
+const TerminalBuffer = @import("tui/TerminalBuffer.zig");
+const Session = @import("tui/components/Session.zig");
+const Text = @import("tui/components/Text.zig");
+const InfoLine = @import("tui/components/InfoLine.zig");
+const Config = @import("config/Config.zig");
+const Lang = @import("config/Lang.zig");
+const Save = @import("config/Save.zig");
+const migrator = @import("config/migrator.zig");
+const SharedError = @import("SharedError.zig");
+const utils = @import("tui/utils.zig");
+
+const Ini = ini.Ini;
+const termbox = interop.termbox;
+const unistd = interop.unistd;
+const temporary_allocator = std.heap.page_allocator;
+
+var session_pid: std.posix.pid_t = -1;
+pub fn signalHandler(i: c_int) callconv(.C) void {
+    if (session_pid == 0) return;
+
+    // Forward signal to session to clean up
+    if (session_pid > 0) {
+        _ = std.c.kill(session_pid, i);
+        var status: c_int = 0;
+        _ = std.c.waitpid(session_pid, &status, 0);
+    }
+
+    _ = termbox.tb_shutdown();
+    std.c.exit(i);
+}
+
+fn eventThreadMain(event: *?termbox.tb_event, event_error: *c_int, timeout: *c_int, wake: *std.Thread.Semaphore, cont: *std.Thread.Semaphore) void {
+    while (true) {
+        cont.wait();
+        var e: termbox.tb_event = undefined;
+        event_error.* = termbox.tb_peek_event(&e, timeout.*);
+        event.* = e;
+        wake.post();
+    }
+}
+
+pub fn main() !void {
+    var shutdown = false;
+    var restart = false;
+    var shutdown_cmd: []const u8 = undefined;
+    var restart_cmd: []const u8 = undefined;
+
+    const stderr = std.io.getStdErr().writer();
+
+    defer {
+        // If we can't shutdown or restart due to an error, we print it to standard error. If that fails, just bail out
+        if (shutdown) {
+            const shutdown_error = std.process.execv(temporary_allocator, &[_][]const u8{ "/bin/sh", "-c", shutdown_cmd });
+            stderr.print("error: couldn't shutdown: {any}\n", .{shutdown_error}) catch std.process.exit(1);
+        } else if (restart) {
+            const restart_error = std.process.execv(temporary_allocator, &[_][]const u8{ "/bin/sh", "-c", restart_cmd });
+            stderr.print("error: couldn't restart: {any}\n", .{restart_error}) catch std.process.exit(1);
+        } else {
+            // The user has quit Ly using Ctrl+C
+            temporary_allocator.free(shutdown_cmd);
+            temporary_allocator.free(restart_cmd);
+        }
+    }
+
+    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
+    defer _ = gpa.deinit();
+
+    // to be able to stop the animation after some time
+
+    var tv_zero: interop.system_time.timeval = undefined;
+    _ = interop.system_time.gettimeofday(&tv_zero, null);
+    var animation_timed_out: bool = false;
+
+    const allocator = gpa.allocator();
+
+    // Load arguments
+    const params = comptime clap.parseParamsComptime(
+        \\-h, --help                Shows all commands.
+        \\-v, --version             Shows the version of Ly.
+        \\-c, --config <str>        Overrides the default configuration path. Example: --config /usr/share/ly
+    );
+
+    var diag = clap.Diagnostic{};
+    var res = clap.parse(clap.Help, &params, clap.parsers.default, .{ .diagnostic = &diag, .allocator = allocator }) catch |err| {
+        diag.report(stderr, err) catch {};
+        return err;
+    };
+    defer res.deinit();
+
+    var config: Config = undefined;
+    var lang: Lang = undefined;
+    var save: Save = undefined;
+    var config_load_failed = false;
+
+    if (res.args.help != 0) {
+        try clap.help(stderr, clap.Help, &params, .{});
+
+        _ = try stderr.write("Note: if you want to configure Ly, please check the config file, which is located at " ++ build_options.config_directory ++ "/ly/config.ini.\n");
+        std.process.exit(0);
+    }
+    if (res.args.version != 0) {
+        _ = try stderr.write("Ly version " ++ build_options.version ++ "\n");
+        std.process.exit(0);
+    }
+
+    // Load configuration file
+    var config_ini = Ini(Config).init(allocator);
+    defer config_ini.deinit();
+
+    var lang_ini = Ini(Lang).init(allocator);
+    defer lang_ini.deinit();
+
+    var save_ini = Ini(Save).init(allocator);
+    defer save_ini.deinit();
+
+    var save_path: []const u8 = build_options.config_directory ++ "/ly/save.ini";
+    var save_path_alloc = false;
+    defer {
+        if (save_path_alloc) allocator.free(save_path);
+    }
+
+    const comment_characters = "#";
+
+    if (res.args.config) |s| {
+        const trailing_slash = if (s[s.len - 1] != '/') "/" else "";
+
+        const config_path = try std.fmt.allocPrint(allocator, "{s}{s}config.ini", .{ s, trailing_slash });
+        defer allocator.free(config_path);
+
+        config = config_ini.readFileToStruct(config_path, comment_characters, migrator.configFieldHandler) catch _config: {
+            config_load_failed = true;
+            break :_config Config{};
+        };
+
+        const lang_path = try std.fmt.allocPrint(allocator, "{s}{s}lang/{s}.ini", .{ s, trailing_slash, config.lang });
+        defer allocator.free(lang_path);
+
+        lang = lang_ini.readFileToStruct(lang_path, comment_characters, null) catch Lang{};
+
+        if (config.load) {
+            save_path = try std.fmt.allocPrint(allocator, "{s}{s}save.ini", .{ s, trailing_slash });
+            save_path_alloc = true;
+
+            var user_buf: [32]u8 = undefined;
+            save = save_ini.readFileToStruct(save_path, comment_characters, null) catch migrator.tryMigrateSaveFile(&user_buf);
+        }
+
+        migrator.lateConfigFieldHandler(&config.animation);
+    } else {
+        const config_path = build_options.config_directory ++ "/ly/config.ini";
+
+        config = config_ini.readFileToStruct(config_path, comment_characters, migrator.configFieldHandler) catch _config: {
+            config_load_failed = true;
+            break :_config Config{};
+        };
+
+        const lang_path = try std.fmt.allocPrint(allocator, "{s}/ly/lang/{s}.ini", .{ build_options.config_directory, config.lang });
+        defer allocator.free(lang_path);
+
+        lang = lang_ini.readFileToStruct(lang_path, comment_characters, null) catch Lang{};
+
+        if (config.load) {
+            var user_buf: [32]u8 = undefined;
+            save = save_ini.readFileToStruct(save_path, comment_characters, null) catch migrator.tryMigrateSaveFile(&user_buf);
+        }
+
+        migrator.lateConfigFieldHandler(&config.animation);
+    }
+
+    // if (migrator.mapped_config_fields) save_migrated_config: {
+    //     var file = try std.fs.cwd().createFile(config_path, .{});
+    //     defer file.close();
+
+    //     const writer = file.writer();
+    //     ini.writeFromStruct(config, writer, null, true, .{}) catch {
+    //         break :save_migrated_config;
+    //     };
+    // }
+
+    // These strings only end up getting freed if the user quits Ly using Ctrl+C, which is fine since in the other cases
+    // we end up shutting down or restarting the system
+    shutdown_cmd = try temporary_allocator.dupe(u8, config.shutdown_cmd);
+    restart_cmd = try temporary_allocator.dupe(u8, config.restart_cmd);
+
+    // Initialize termbox
+    _ = termbox.tb_init();
+    defer _ = termbox.tb_shutdown();
+
+    const act = std.posix.Sigaction{
+        .handler = .{ .handler = &signalHandler },
+        .mask = std.posix.empty_sigset,
+        .flags = 0,
+    };
+    try std.posix.sigaction(std.posix.SIG.TERM, &act, null);
+
+    _ = termbox.tb_set_output_mode(termbox.TB_OUTPUT_NORMAL);
+    _ = termbox.tb_clear();
+
+    // Needed to reset termbox after auth
+    const tb_termios = try std.posix.tcgetattr(std.posix.STDIN_FILENO);
+
+    // Initialize terminal buffer
+    const labels_max_length = @max(lang.login.len, lang.password.len);
+
+    var seed: u64 = undefined;
+    std.crypto.random.bytes(std.mem.asBytes(&seed)); // Get a random seed for the PRNG (used by animations)
+
+    var prng = std.Random.DefaultPrng.init(seed);
+    const random = prng.random();
+
+    var buffer = TerminalBuffer.init(config, labels_max_length, random);
+
+    // Initialize components
+    var info_line = InfoLine.init(allocator, &buffer);
+    defer info_line.deinit();
+
+    if (config_load_failed) {
+        // We can't localize this since the config failed to load so we'd fallback to the default language anyway
+        try info_line.addMessage("unable to parse config file", config.error_bg, config.error_fg);
+    }
+
+    interop.setNumlock(config.numlock) catch {
+        try info_line.addMessage(lang.err_numlock, config.error_bg, config.error_fg);
+    };
+
+    var session = Session.init(allocator, &buffer, lang);
+    defer session.deinit();
+
+    session.addEnvironment(.{ .Name = lang.shell }, null, .shell) catch {
+        try info_line.addMessage(lang.err_alloc, config.error_bg, config.error_fg);
+    };
+
+    if (build_options.enable_x11_support) {
+        if (config.xinitrc) |xinitrc| {
+            session.addEnvironment(.{ .Name = lang.xinitrc, .Exec = xinitrc }, null, .xinitrc) catch {
+                try info_line.addMessage(lang.err_alloc, config.error_bg, config.error_fg);
+            };
+        }
+    } else {
+        try info_line.addMessage(lang.no_x11_support, config.bg, config.fg);
+    }
+
+    if (config.initial_info_text) |text| {
+        try info_line.addMessage(text, config.bg, config.fg);
+    } else get_host_name: {
+        // Initialize information line with host name
+        var name_buf: [std.posix.HOST_NAME_MAX]u8 = undefined;
+        const hostname = std.posix.gethostname(&name_buf) catch {
+            try info_line.addMessage(lang.err_hostname, config.error_bg, config.error_fg);
+            break :get_host_name;
+        };
+        try info_line.addMessage(hostname, config.bg, config.fg);
+    }
+
+    try session.crawl(config.waylandsessions, .wayland);
+    if (build_options.enable_x11_support) try session.crawl(config.xsessions, .x11);
+
+    var login = Text.init(allocator, &buffer, false, null);
+    defer login.deinit();
+
+    var password = Text.init(allocator, &buffer, true, config.asterisk);
+    defer password.deinit();
+
+    var active_input = config.default_input;
+    var insert_mode = !config.vi_mode or config.vi_default_mode == .insert;
+
+    // Load last saved username and desktop selection, if any
+    if (config.load) {
+        if (save.user) |user| {
+            try login.text.appendSlice(user);
+            login.end = user.len;
+            login.cursor = login.end;
+            active_input = .password;
+        }
+
+        if (save.session_index) |session_index| {
+            if (session_index < session.label.list.items.len) session.label.current = session_index;
+        }
+    }
+
+    // Place components on the screen
+    {
+        buffer.drawBoxCenter(!config.hide_borders, config.blank_box);
+
+        const coordinates = buffer.calculateComponentCoordinates();
+        info_line.label.position(coordinates.start_x, coordinates.y, coordinates.full_visible_length, null);
+        session.label.position(coordinates.x, coordinates.y + 2, coordinates.visible_length, config.text_in_center);
+        login.position(coordinates.x, coordinates.y + 4, coordinates.visible_length);
+        password.position(coordinates.x, coordinates.y + 6, coordinates.visible_length);
+
+        switch (active_input) {
+            .info_line => info_line.label.handle(null, insert_mode),
+            .session => session.label.handle(null, insert_mode),
+            .login => login.handle(null, insert_mode) catch {
+                try info_line.addMessage(lang.err_alloc, config.error_bg, config.error_fg);
+            },
+            .password => password.handle(null, insert_mode) catch {
+                try info_line.addMessage(lang.err_alloc, config.error_bg, config.error_fg);
+            },
+        }
+    }
+
+    // Initialize the animation, if any
+    var doom: Doom = undefined;
+    var matrix: Matrix = undefined;
+
+    switch (config.animation) {
+        .none => {},
+        .doom => doom = try Doom.init(allocator, &buffer),
+        .matrix => matrix = try Matrix.init(allocator, &buffer, config.cmatrix_fg),
+    }
+    defer {
+        switch (config.animation) {
+            .none => {},
+            .doom => doom.deinit(),
+            .matrix => matrix.deinit(),
+        }
+    }
+
+    const animate = config.animation != .none;
+    const shutdown_key = try std.fmt.parseInt(u8, config.shutdown_key[1..], 10);
+    const shutdown_len = try utils.strWidth(lang.shutdown);
+    const restart_key = try std.fmt.parseInt(u8, config.restart_key[1..], 10);
+    const restart_len = try utils.strWidth(lang.restart);
+    const sleep_key = try std.fmt.parseInt(u8, config.sleep_key[1..], 10);
+    const sleep_len = try utils.strWidth(lang.sleep);
+    const brightness_down_key = try std.fmt.parseInt(u8, config.brightness_down_key[1..], 10);
+    const brightness_down_len = try utils.strWidth(lang.brightness_down);
+    const brightness_up_key = try std.fmt.parseInt(u8, config.brightness_up_key[1..], 10);
+    const brightness_up_len = try utils.strWidth(lang.brightness_up);
+
+    var event_timeout: c_int = std.math.maxInt(c_int);
+    var event_error: c_int = undefined;
+    var event: ?termbox.tb_event = null;
+    var wake: std.Thread.Semaphore = .{};
+    var doneEvent: std.Thread.Semaphore = .{};
+    var run = true;
+    var update = true;
+    var resolution_changed = false;
+    var auth_fails: u64 = 0;
+
+    // Switch to selected TTY if possible
+    interop.switchTty(config.console_dev, config.tty) catch {
+        try info_line.addMessage(lang.err_console_dev, config.error_bg, config.error_fg);
+    };
+
+    doneEvent.post();
+    const thandle = try std.Thread.spawn(.{}, eventThreadMain, .{ &event, &event_error, &event_timeout, &wake, &doneEvent });
+
+    thandle.detach();
+
+    {
+        const current_environment = session.label.list.items[session.label.current];
+        try auth.startAutomaticLogin(allocator, config, login, current_environment, &wake);
+    }
+    defer allocator.free(auth.currentLogin.?);
+    while (run) {
+        // If there's no input or there's an animation, a resolution change needs to be checked
+        if (!update or config.animation != .none) {
+            if (!update) std.time.sleep(std.time.ns_per_ms * 100);
+
+            _ = termbox.tb_present(); // Required to update tb_width(), tb_height() and tb_cell_buffer()
+
+            const width: usize = @intCast(termbox.tb_width());
+            const height: usize = @intCast(termbox.tb_height());
+
+            if (width != buffer.width or height != buffer.height) {
+                // If it did change, then update the cell buffer, reallocate the current animation's buffers, and force a draw update
+
+                buffer.width = width;
+                buffer.height = height;
+                buffer.buffer = termbox.tb_cell_buffer();
+
+                switch (config.animation) {
+                    .none => {},
+                    .doom => doom.realloc() catch {
+                        try info_line.addMessage(lang.err_alloc, config.error_bg, config.error_fg);
+                    },
+                    .matrix => matrix.realloc() catch {
+                        try info_line.addMessage(lang.err_alloc, config.error_bg, config.error_fg);
+                    },
+                }
+
+                update = true;
+                resolution_changed = true;
+            }
+        }
+
+        if (update) {
+            // If the user entered a wrong password 10 times in a row, play a cascade animation, else update normally
+            if (auth_fails < config.auth_fails) {
+                _ = termbox.tb_clear();
+
+                if (!animation_timed_out) {
+                    switch (config.animation) {
+                        .none => {},
+                        .doom => doom.draw(),
+                        .matrix => matrix.draw(),
+                    }
+                }
+
+                if (config.bigclock != .none and buffer.box_height + (bigclock.HEIGHT + 2) * 2 < buffer.height) draw_big_clock: {
+                    const format = "%H:%M";
+                    const xo = buffer.width / 2 - @min(buffer.width, (format.len * (bigclock.WIDTH + 1))) / 2;
+                    const yo = (buffer.height - buffer.box_height) / 2 - bigclock.HEIGHT - 2;
+
+                    var clock_buf: [format.len + 1:0]u8 = undefined;
+                    const clock_str = interop.timeAsString(&clock_buf, format) catch {
+                        break :draw_big_clock;
+                    };
+
+                    for (clock_str, 0..) |c, i| {
+                        const clock_cell = bigclock.clockCell(animate, c, buffer.fg, buffer.bg, config.bigclock);
+                        bigclock.alphaBlit(xo + i * (bigclock.WIDTH + 1), yo, buffer.width, buffer.height, clock_cell);
+                    }
+                }
+
+                buffer.drawBoxCenter(!config.hide_borders, config.blank_box);
+
+                if (resolution_changed) {
+                    const coordinates = buffer.calculateComponentCoordinates();
+                    info_line.label.position(coordinates.start_x, coordinates.y, coordinates.full_visible_length, null);
+                    session.label.position(coordinates.x, coordinates.y + 2, coordinates.visible_length, config.text_in_center);
+                    login.position(coordinates.x, coordinates.y + 4, coordinates.visible_length);
+                    password.position(coordinates.x, coordinates.y + 6, coordinates.visible_length);
+
+                    resolution_changed = false;
+                }
+
+                switch (active_input) {
+                    .info_line => info_line.label.handle(null, insert_mode),
+                    .session => session.label.handle(null, insert_mode),
+                    .login => login.handle(null, insert_mode) catch {
+                        try info_line.addMessage(lang.err_alloc, config.error_bg, config.error_fg);
+                    },
+                    .password => password.handle(null, insert_mode) catch {
+                        try info_line.addMessage(lang.err_alloc, config.error_bg, config.error_fg);
+                    },
+                }
+
+                if (config.clock) |clock| draw_clock: {
+                    var clock_buf: [32:0]u8 = undefined;
+                    const clock_str = interop.timeAsString(&clock_buf, clock) catch {
+                        break :draw_clock;
+                    };
+
+                    if (clock_str.len == 0) return error.FormattedTimeEmpty;
+
+                    buffer.drawLabel(clock_str, buffer.width - @min(buffer.width, clock_str.len), 0);
+                }
+
+                const label_x = buffer.box_x + buffer.margin_box_h;
+                const label_y = buffer.box_y + buffer.margin_box_v;
+
+                buffer.drawLabel(lang.login, label_x, label_y + 4);
+                buffer.drawLabel(lang.password, label_x, label_y + 6);
+
+                info_line.label.draw();
+
+                if (!config.hide_key_hints) {
+                    var length: usize = 0;
+
+                    buffer.drawLabel(config.shutdown_key, length, 0);
+                    length += config.shutdown_key.len + 1;
+                    buffer.drawLabel(" ", length - 1, 0);
+
+                    buffer.drawLabel(lang.shutdown, length, 0);
+                    length += shutdown_len + 1;
+
+                    buffer.drawLabel(config.restart_key, length, 0);
+                    length += config.restart_key.len + 1;
+                    buffer.drawLabel(" ", length - 1, 0);
+
+                    buffer.drawLabel(lang.restart, length, 0);
+                    length += restart_len + 1;
+
+                    if (config.sleep_cmd != null) {
+                        buffer.drawLabel(config.sleep_key, length, 0);
+                        length += config.sleep_key.len + 1;
+                        buffer.drawLabel(" ", length - 1, 0);
+
+                        buffer.drawLabel(lang.sleep, length, 0);
+                        length += sleep_len + 1;
+                    }
+
+                    buffer.drawLabel(config.brightness_down_key, length, 0);
+                    length += config.brightness_down_key.len + 1;
+                    buffer.drawLabel(" ", length - 1, 0);
+
+                    buffer.drawLabel(lang.brightness_down, length, 0);
+                    length += brightness_down_len + 1;
+
+                    buffer.drawLabel(config.brightness_up_key, length, 0);
+                    length += config.brightness_up_key.len + 1;
+                    buffer.drawLabel(" ", length - 1, 0);
+
+                    buffer.drawLabel(lang.brightness_up, length, 0);
+                    length += brightness_up_len + 1;
+                }
+
+                if (config.box_title) |title| {
+                    buffer.drawConfinedLabel(title, buffer.box_x, buffer.box_y - 1, buffer.box_width);
+                }
+
+                if (config.vi_mode) {
+                    const label_txt = if (insert_mode) lang.insert else lang.normal;
+                    buffer.drawLabel(label_txt, buffer.box_x, buffer.box_y + buffer.box_height);
+                }
+
+                draw_lock_state: {
+                    const lock_state = interop.getLockState(config.console_dev) catch {
+                        try info_line.addMessage(lang.err_console_dev, config.error_bg, config.error_fg);
+                        break :draw_lock_state;
+                    };
+
+                    var lock_state_x = buffer.width - @min(buffer.width, lang.numlock.len);
+                    const lock_state_y: usize = if (config.clock != null) 1 else 0;
+
+                    if (lock_state.numlock) buffer.drawLabel(lang.numlock, lock_state_x, lock_state_y);
+
+                    if (lock_state_x >= lang.capslock.len + 1) {
+                        lock_state_x -= lang.capslock.len + 1;
+                        if (lock_state.capslock) buffer.drawLabel(lang.capslock, lock_state_x, lock_state_y);
+                    }
+                }
+
+                session.label.draw();
+                login.draw();
+                password.draw();
+            } else {
+                std.time.sleep(std.time.ns_per_ms * 10);
+                update = buffer.cascade();
+
+                if (!update) {
+                    std.time.sleep(std.time.ns_per_s * 7);
+                    auth_fails = 0;
+                }
+            }
+
+            _ = termbox.tb_present();
+        }
+
+        var timeout: u64 = std.math.maxInt(u64);
+
+        // Calculate the maximum timeout based on current animations, or the (big) clock. If there's none, we wait for 100ms instead
+        if (animate and !animation_timed_out) {
+            timeout = config.min_refresh_delta;
+
+            // check how long we have been running so we can turn off the animation
+            var tv: interop.system_time.timeval = undefined;
+            _ = interop.system_time.gettimeofday(&tv, null);
+
+            if (config.animation_timeout_sec > 0 and tv.tv_sec - tv_zero.tv_sec > config.animation_timeout_sec) {
+                animation_timed_out = true;
+                switch (config.animation) {
+                    .none => {},
+                    .doom => doom.deinit(),
+                    .matrix => matrix.deinit(),
+                }
+            }
+        } else if (config.bigclock != .none and config.clock == null) {
+            var tv: interop.system_time.timeval = undefined;
+            _ = interop.system_time.gettimeofday(&tv, null);
+
+            timeout = @intCast((60 - @rem(tv.tv_sec, 60)) * 1000 - @divTrunc(tv.tv_usec, 1000) + 1);
+        } else if (config.clock != null or auth_fails >= config.auth_fails) {
+            var tv: interop.system_time.timeval = undefined;
+            _ = interop.system_time.gettimeofday(&tv, null);
+
+            timeout = @intCast(1000 - @divTrunc(tv.tv_usec, 1000) + 1);
+        }
+
+        var skipEvent: bool = false;
+        _ = wake.timedWait(timeout) catch .{};
+        if (auth.asyncPamHandle) |handle| {
+            var shared_err = try SharedError.init();
+            defer shared_err.deinit();
+
+            {
+                const login_text = try allocator.dupeZ(u8, login.text.items);
+                defer allocator.free(login_text);
+
+                try info_line.addMessage(lang.authenticating, config.error_bg, config.error_fg);
+                InfoLine.clearRendered(allocator, buffer) catch {
+                    try info_line.addMessage(lang.err_alloc, config.error_bg, config.error_fg);
+                };
+                info_line.label.draw();
+                _ = termbox.tb_present();
+
+                session_pid = try std.posix.fork();
+                if (session_pid == 0) {
+                    const current_environment = session.label.list.items[session.label.current];
+                    auth.finaliseAuth(config, current_environment, handle, login_text) catch |err| {
+                        shared_err.writeError(err);
+                        std.process.exit(1);
+                    };
+
+                    std.process.exit(0);
+                }
+                _ = std.posix.waitpid(session_pid, 0);
+
+                session_pid = -1;
+            }
+
+            auth.asyncPamHandle = null;
+
+            const auth_err = shared_err.readError();
+            if (auth_err) |err| {
+                try info_line.addMessage(getAuthErrorMsg(err, lang), config.error_bg, config.error_fg);
+                // We don't want to start login back in instantly. The user must first edit
+                // the login/desktop in order to login. Only in case of a failed login (so not a logout)
+                // should we automatically restart it.
+                const current_environment = session.label.list.items[session.label.current];
+                try auth.startAutomaticLogin(allocator, config, login, current_environment, &wake);
+            } else {
+                try info_line.addMessage(lang.logout, config.error_bg, config.error_fg);
+            }
+
+            try std.posix.tcsetattr(std.posix.STDIN_FILENO, .FLUSH, tb_termios);
+            _ = termbox.tb_clear();
+            _ = termbox.tb_present();
+
+            update = true;
+
+            _ = termbox.tb_set_cursor(0, 0);
+            _ = termbox.tb_present();
+        } else if (event) |e| {
+            defer doneEvent.post();
+            update = timeout != -1;
+            skipEvent = event_error < 0;
+            if (skipEvent or e.type != termbox.TB_EVENT_KEY) continue;
+
+            switch (e.key) {
+                termbox.TB_KEY_ESC => {
+                    if (config.vi_mode and insert_mode) {
+                        insert_mode = false;
+                        update = true;
+                    }
+                },
+                termbox.TB_KEY_F12...termbox.TB_KEY_F1 => {
+                    const pressed_key = 0xFFFF - e.key + 1;
+                    if (pressed_key == shutdown_key) {
+                        shutdown = true;
+                        run = false;
+                    } else if (pressed_key == restart_key) {
+                        restart = true;
+                        run = false;
+                    } else if (pressed_key == sleep_key) {
+                        if (config.sleep_cmd) |sleep_cmd| {
+                            var sleep = std.process.Child.init(&[_][]const u8{ "/bin/sh", "-c", sleep_cmd }, allocator);
+                            _ = sleep.spawnAndWait() catch .{};
+                        }
+                    } else if (pressed_key == brightness_down_key) {
+                        var brightness = std.process.Child.init(&[_][]const u8{ "/bin/sh", "-c", config.brightness_down_cmd }, allocator);
+                        _ = brightness.spawnAndWait() catch .{};
+                    } else if (pressed_key == brightness_up_key) {
+                        var brightness = std.process.Child.init(&[_][]const u8{ "/bin/sh", "-c", config.brightness_up_cmd }, allocator);
+                        _ = brightness.spawnAndWait() catch .{};
+                    }
+                },
+                termbox.TB_KEY_CTRL_C => run = false,
+                termbox.TB_KEY_CTRL_U => {
+                    if (active_input == .login) {
+                        login.clear();
+                        update = true;
+                    } else if (active_input == .password) {
+                        password.clear();
+                        update = true;
+                    }
+                },
+                termbox.TB_KEY_CTRL_K, termbox.TB_KEY_ARROW_UP => {
+                    active_input = switch (active_input) {
+                        .session, .info_line => .info_line,
+                        .login => .session,
+                        .password => .login,
+                    };
+                    update = true;
+                },
+                termbox.TB_KEY_CTRL_J, termbox.TB_KEY_ARROW_DOWN => {
+                    if (active_input == .login) {
+                        const current_environment = session.label.list.items[session.label.current];
+                        try auth.startAutomaticLogin(allocator, config, login, current_environment, &wake);
+                    }
+                    active_input = switch (active_input) {
+                        .info_line => .session,
+                        .session => .login,
+                        .login, .password => .password,
+                    };
+                    update = true;
+                },
+                termbox.TB_KEY_TAB => {
+                    if (active_input == .login) {
+                        const current_environment = session.label.list.items[session.label.current];
+                        try auth.startAutomaticLogin(allocator, config, login, current_environment, &wake);
+                    }
+                    active_input = switch (active_input) {
+                        .info_line => .session,
+                        .session => .login,
+                        .login => .password,
+                        .password => .info_line,
+                    };
+                    update = true;
+                },
+                termbox.TB_KEY_BACK_TAB => {
+                    if (active_input == .info_line) {
+                        const current_environment = session.label.list.items[session.label.current];
+                        try auth.startAutomaticLogin(allocator, config, login, current_environment, &wake);
+                    }
+                    active_input = switch (active_input) {
+                        .info_line => .password,
+                        .session => .info_line,
+                        .login => .session,
+                        .password => .login,
+                    };
+
+                    update = true;
+                },
+                termbox.TB_KEY_ENTER => {
+                    try info_line.addMessage(lang.authenticating, config.bg, config.fg);
+                    InfoLine.clearRendered(allocator, buffer) catch {
+                        try info_line.addMessage(lang.err_alloc, config.error_bg, config.error_fg);
+                    };
+                    info_line.label.draw();
+                    _ = termbox.tb_present();
+
+                    if (config.save) save_last_settings: {
+                        var file = std.fs.cwd().createFile(save_path, .{}) catch break :save_last_settings;
+                        defer file.close();
+
+                        const save_data = Save{
+                            .user = login.text.items,
+                            .session_index = session.label.current,
+                        };
+                        ini.writeFromStruct(save_data, file.writer(), null, true, .{}) catch break :save_last_settings;
+
+                        // Delete previous save file if it exists
+                        if (migrator.maybe_save_file) |path| std.fs.cwd().deleteFile(path) catch {};
+                    }
+
+                    var shared_err = try SharedError.init();
+                    defer shared_err.deinit();
+
+                    {
+                        const login_text = try allocator.dupeZ(u8, login.text.items);
+                        defer allocator.free(login_text);
+                        const password_text = try allocator.dupeZ(u8, password.text.items);
+                        defer allocator.free(password_text);
+
+                        // Give up control on the TTY
+                        _ = termbox.tb_shutdown();
+
+                        session_pid = try std.posix.fork();
+                        const current_environment = session.label.list.items[session.label.current];
+                        if (auth.authenticate(config, login_text, password_text, current_environment)) |handle| {
+                            if (session_pid == 0) {
+                                auth.finaliseAuth(config, current_environment, handle, login_text) catch |err| {
+                                    shared_err.writeError(err);
+                                    std.process.exit(1);
+                                };
+
+                                std.process.exit(0);
+                            }
+                            _ = std.posix.waitpid(session_pid, 0);
+                        } else |err| {
+                            shared_err.writeError(err);
+                        }
+
+                        session_pid = -1;
+                    }
+
+                    // Take back control of the TTY
+                    _ = termbox.tb_init();
+                    _ = termbox.tb_set_output_mode(termbox.TB_OUTPUT_NORMAL);
+
+                    const auth_err = shared_err.readError();
+                    if (auth_err) |err| {
+                        auth_fails += 1;
+                        active_input = .password;
+                        try info_line.addMessage(getAuthErrorMsg(err, lang), config.error_bg, config.error_fg);
+                        if (config.clear_password or err != error.PamAuthError) password.clear();
+                    } else {
+                        if (config.logout_cmd) |logout_cmd| {
+                            var logout_process = std.process.Child.init(&[_][]const u8{ "/bin/sh", "-c", logout_cmd }, allocator);
+                            _ = logout_process.spawnAndWait() catch .{};
+                        }
+
+                        password.clear();
+                        try info_line.addMessage(lang.logout, config.bg, config.fg);
+                    }
+
+                    try std.posix.tcsetattr(std.posix.STDIN_FILENO, .FLUSH, tb_termios);
+                    if (auth_fails < config.auth_fails) _ = termbox.tb_clear();
+
+                    update = true;
+
+                    // Restore the cursor
+                    _ = termbox.tb_set_cursor(0, 0);
+                    _ = termbox.tb_present();
+                },
+                else => {
+                    if (!insert_mode) {
+                        switch (e.ch) {
+                            'k' => {
+                                active_input = switch (active_input) {
+                                    .session, .info_line => .info_line,
+                                    .login => .session,
+                                    .password => .login,
+                                };
+                                update = true;
+                                continue;
+                            },
+                            'j' => {
+                                if (active_input == .login) {
+                                    const current_environment = session.label.list.items[session.label.current];
+                                    try auth.startAutomaticLogin(allocator, config, login, current_environment, &wake);
+                                }
+                                active_input = switch (active_input) {
+                                    .info_line => .session,
+                                    .session => .login,
+                                    .login, .password => .password,
+                                };
+                                update = true;
+                                continue;
+                            },
+                            'i' => {
+                                insert_mode = true;
+                                update = true;
+                                continue;
+                            },
+                            else => {},
+                        }
+                    }
+
+                    switch (active_input) {
+                        .info_line => info_line.label.handle(&event.?, insert_mode),
+                        .session => session.label.handle(&event.?, insert_mode),
+                        .login => login.handle(&event.?, insert_mode) catch {
+                            try info_line.addMessage(lang.err_alloc, config.error_bg, config.error_fg);
+                        },
+                        .password => password.handle(&event.?, insert_mode) catch {
+                            try info_line.addMessage(lang.err_alloc, config.error_bg, config.error_fg);
+                        },
+                    }
+                    update = true;
+                },
+            }
+        }
+    }
+}
+
+fn getAuthErrorMsg(err: anyerror, lang: Lang) []const u8 {
+    return switch (err) {
+        error.GetPasswordNameFailed => lang.err_pwnam,
+        error.GetEnvListFailed => lang.err_envlist,
+        error.XauthFailed => lang.err_xauth,
+        error.XcbConnectionFailed => lang.err_xcb_conn,
+        error.GroupInitializationFailed => lang.err_user_init,
+        error.SetUserGidFailed => lang.err_user_gid,
+        error.SetUserUidFailed => lang.err_user_uid,
+        error.ChangeDirectoryFailed => lang.err_perm_dir,
+        error.SetPathFailed => lang.err_path,
+        error.PamAccountExpired => lang.err_pam_acct_expired,
+        error.PamAuthError => lang.err_pam_auth,
+        error.PamAuthInfoUnavailable => lang.err_pam_authinfo_unavail,
+        error.PamBufferError => lang.err_pam_buf,
+        error.PamCredentialsError => lang.err_pam_cred_err,
+        error.PamCredentialsExpired => lang.err_pam_cred_expired,
+        error.PamCredentialsInsufficient => lang.err_pam_cred_insufficient,
+        error.PamCredentialsUnavailable => lang.err_pam_cred_unavail,
+        error.PamMaximumTries => lang.err_pam_maxtries,
+        error.PamNewAuthTokenRequired => lang.err_pam_authok_reqd,
+        error.PamPermissionDenied => lang.err_pam_perm_denied,
+        error.PamSessionError => lang.err_pam_session,
+        error.PamSystemError => lang.err_pam_sys,
+        error.PamUserUnknown => lang.err_pam_user_unknown,
+        error.PamAbort => lang.err_pam_abort,
+        else => lang.err_unknown,
+    };
+}

src/tui/TerminalBuffer.zig

@@ -0,0 +1,199 @@
+const std = @import("std");
+const builtin = @import("builtin");
+const interop = @import("../interop.zig");
+const utils = @import("utils.zig");
+const Config = @import("../config/Config.zig");
+
+const Random = std.Random;
+
+const termbox = interop.termbox;
+
+const TerminalBuffer = @This();
+
+random: Random,
+width: usize,
+height: usize,
+buffer: [*]termbox.tb_cell,
+fg: u16,
+bg: u16,
+border_fg: u16,
+box_chars: struct {
+    left_up: u32,
+    left_down: u32,
+    right_up: u32,
+    right_down: u32,
+    top: u32,
+    bottom: u32,
+    left: u32,
+    right: u32,
+},
+labels_max_length: usize,
+box_x: usize,
+box_y: usize,
+box_width: usize,
+box_height: usize,
+margin_box_v: u8,
+margin_box_h: u8,
+
+pub fn init(config: Config, labels_max_length: usize, random: Random) TerminalBuffer {
+    return .{
+        .random = random,
+        .width = @intCast(termbox.tb_width()),
+        .height = @intCast(termbox.tb_height()),
+        .buffer = termbox.tb_cell_buffer(),
+        .fg = config.fg,
+        .bg = config.bg,
+        .border_fg = config.border_fg,
+        .box_chars = if (builtin.os.tag == .linux or builtin.os.tag.isBSD()) .{
+            .left_up = 0x250C,
+            .left_down = 0x2514,
+            .right_up = 0x2510,
+            .right_down = 0x2518,
+            .top = 0x2500,
+            .bottom = 0x2500,
+            .left = 0x2502,
+            .right = 0x2502,
+        } else .{
+            .left_up = '+',
+            .left_down = '+',
+            .right_up = '+',
+            .right_down = '+',
+            .top = '-',
+            .bottom = '-',
+            .left = '|',
+            .right = '|',
+        },
+        .labels_max_length = labels_max_length,
+        .box_x = 0,
+        .box_y = 0,
+        .box_width = (2 * config.margin_box_h) + config.input_len + 1 + labels_max_length,
+        .box_height = 7 + (2 * config.margin_box_v),
+        .margin_box_v = config.margin_box_v,
+        .margin_box_h = config.margin_box_h,
+    };
+}
+
+pub fn cascade(self: TerminalBuffer) bool {
+    var changed = false;
+    var y = self.height - 2;
+
+    while (y > 0) : (y -= 1) {
+        for (0..self.width) |x| {
+            const cell = self.buffer[(y - 1) * self.width + x];
+            const cell_under = self.buffer[y * self.width + x];
+
+            const char: u8 = @truncate(cell.ch);
+            if (std.ascii.isWhitespace(char)) continue;
+
+            const char_under: u8 = @truncate(cell_under.ch);
+            if (!std.ascii.isWhitespace(char_under)) continue;
+
+            changed = true;
+
+            if ((self.random.int(u16) % 10) > 7) continue;
+
+            _ = termbox.tb_set_cell(@intCast(x), @intCast(y), cell.ch, cell.fg, cell.bg);
+            _ = termbox.tb_set_cell(@intCast(x), @intCast(y - 1), ' ', cell_under.fg, cell_under.bg);
+        }
+    }
+
+    return changed;
+}
+
+pub fn drawBoxCenter(self: *TerminalBuffer, show_borders: bool, blank_box: bool) void {
+    if (self.width < 2 or self.height < 2) return;
+    const x1 = (self.width - @min(self.width - 2, self.box_width)) / 2;
+    const y1 = (self.height - @min(self.height - 2, self.box_height)) / 2;
+    const x2 = (self.width + @min(self.width, self.box_width)) / 2;
+    const y2 = (self.height + @min(self.height, self.box_height)) / 2;
+
+    self.box_x = x1;
+    self.box_y = y1;
+
+    if (show_borders) {
+        _ = termbox.tb_set_cell(@intCast(x1 - 1), @intCast(y1 - 1), self.box_chars.left_up, self.border_fg, self.bg);
+        _ = termbox.tb_set_cell(@intCast(x2), @intCast(y1 - 1), self.box_chars.right_up, self.border_fg, self.bg);
+        _ = termbox.tb_set_cell(@intCast(x1 - 1), @intCast(y2), self.box_chars.left_down, self.border_fg, self.bg);
+        _ = termbox.tb_set_cell(@intCast(x2), @intCast(y2), self.box_chars.right_down, self.border_fg, self.bg);
+
+        var c1 = utils.initCell(self.box_chars.top, self.border_fg, self.bg);
+        var c2 = utils.initCell(self.box_chars.bottom, self.border_fg, self.bg);
+
+        for (0..self.box_width) |i| {
+            utils.putCell(x1 + i, y1 - 1, c1);
+            utils.putCell(x1 + i, y2, c2);
+        }
+
+        c1.ch = self.box_chars.left;
+        c2.ch = self.box_chars.right;
+
+        for (0..self.box_height) |i| {
+            utils.putCell(x1 - 1, y1 + i, c1);
+            utils.putCell(x2, y1 + i, c2);
+        }
+    }
+
+    if (blank_box) {
+        const blank = utils.initCell(' ', self.fg, self.bg);
+
+        for (0..self.box_height) |y| {
+            for (0..self.box_width) |x| {
+                utils.putCell(x1 + x, y1 + y, blank);
+            }
+        }
+    }
+}
+
+pub fn calculateComponentCoordinates(self: TerminalBuffer) struct {
+    start_x: usize,
+    x: usize,
+    y: usize,
+    full_visible_length: usize,
+    visible_length: usize,
+} {
+    const start_x = self.box_x + self.margin_box_h;
+    const x = start_x + self.labels_max_length + 1;
+    const y = self.box_y + self.margin_box_v;
+    const full_visible_length = self.box_x + self.box_width - self.margin_box_h - start_x;
+    const visible_length = self.box_x + self.box_width - self.margin_box_h - x;
+
+    return .{
+        .start_x = start_x,
+        .x = x,
+        .y = y,
+        .full_visible_length = full_visible_length,
+        .visible_length = visible_length,
+    };
+}
+
+pub fn drawLabel(self: TerminalBuffer, text: []const u8, x: usize, y: usize) void {
+    drawColorLabel(text, x, y, self.fg, self.bg);
+}
+
+pub fn drawColorLabel(text: []const u8, x: usize, y: usize, fg: u16, bg: u16) void {
+    const yc: c_int = @intCast(y);
+    const utf8view = std.unicode.Utf8View.init(text) catch return;
+    var utf8 = utf8view.iterator();
+
+    var i = x;
+    while (utf8.nextCodepoint()) |codepoint| : (i += 1) {
+        _ = termbox.tb_set_cell(@intCast(i), yc, codepoint, fg, bg);
+    }
+}
+
+pub fn drawConfinedLabel(self: TerminalBuffer, text: []const u8, x: usize, y: usize, max_length: usize) void {
+    const yc: c_int = @intCast(y);
+    const utf8view = std.unicode.Utf8View.init(text) catch return;
+    var utf8 = utf8view.iterator();
+
+    var i: usize = 0;
+    while (utf8.nextCodepoint()) |codepoint| : (i += 1) {
+        if (i >= max_length) break;
+        _ = termbox.tb_set_cell(@intCast(i + x), yc, codepoint, self.fg, self.bg);
+    }
+}
+
+pub fn drawCharMultiple(self: TerminalBuffer, char: u8, x: usize, y: usize, length: usize) void {
+    const cell = utils.initCell(char, self.fg, self.bg);
+    for (0..length) |xx| utils.putCell(x + xx, y, cell);
+}

src/tui/components/InfoLine.zig

@@ -0,0 +1,61 @@
+const std = @import("std");
+const TerminalBuffer = @import("../TerminalBuffer.zig");
+const generic = @import("generic.zig");
+const utils = @import("../utils.zig");
+
+const Allocator = std.mem.Allocator;
+
+const MessageLabel = generic.CyclableLabel(Message);
+
+const InfoLine = @This();
+
+const Message = struct {
+    width: u8,
+    text: []const u8,
+    bg: u16,
+    fg: u16,
+};
+
+label: MessageLabel,
+
+pub fn init(allocator: Allocator, buffer: *TerminalBuffer) InfoLine {
+    return .{
+        .label = MessageLabel.init(allocator, buffer, drawItem),
+    };
+}
+
+pub fn deinit(self: InfoLine) void {
+    self.label.deinit();
+}
+
+pub fn addMessage(self: *InfoLine, text: []const u8, bg: u16, fg: u16) !void {
+    if (text.len == 0) return;
+
+    try self.label.addItem(.{
+        .width = try utils.strWidth(text),
+        .text = text,
+        .bg = bg,
+        .fg = fg,
+    });
+}
+
+pub fn clearRendered(allocator: Allocator, buffer: TerminalBuffer) !void {
+    // Draw over the area
+    const y = buffer.box_y + buffer.margin_box_v;
+    const spaces = try allocator.alloc(u8, buffer.box_width);
+    defer allocator.free(spaces);
+
+    @memset(spaces, ' ');
+
+    buffer.drawLabel(spaces, buffer.box_x, y);
+}
+
+fn drawItem(label: *MessageLabel, message: Message, _: usize, _: usize) bool {
+    if (message.width == 0 or label.buffer.box_width <= message.width) return false;
+
+    const x = label.buffer.box_x + ((label.buffer.box_width - message.width) / 2);
+    label.first_char_x = x + message.width;
+
+    TerminalBuffer.drawColorLabel(message.text, x, label.y, message.fg, message.bg);
+    return true;
+}

src/tui/components/Session.zig

@@ -0,0 +1,142 @@
+const std = @import("std");
+const TerminalBuffer = @import("../TerminalBuffer.zig");
+const enums = @import("../../enums.zig");
+const generic = @import("generic.zig");
+const Ini = @import("zigini").Ini;
+const Lang = @import("../../config/Lang.zig");
+
+const Allocator = std.mem.Allocator;
+
+const DisplayServer = enums.DisplayServer;
+
+const EnvironmentLabel = generic.CyclableLabel(Environment);
+
+const Session = @This();
+
+pub const Environment = struct {
+    entry_ini: ?Ini(Entry) = null,
+    name: [:0]const u8 = "",
+    xdg_session_desktop: ?[:0]const u8 = null,
+    xdg_desktop_names: ?[:0]const u8 = null,
+    cmd: []const u8 = "",
+    specifier: []const u8 = "",
+    display_server: DisplayServer = .wayland,
+};
+
+const DesktopEntry = struct {
+    Exec: []const u8 = "",
+    Name: [:0]const u8 = "",
+    DesktopNames: ?[:0]u8 = null,
+};
+
+pub const Entry = struct { @"Desktop Entry": DesktopEntry = .{} };
+
+label: EnvironmentLabel,
+lang: Lang,
+
+pub fn init(allocator: Allocator, buffer: *TerminalBuffer, lang: Lang) Session {
+    return .{
+        .label = EnvironmentLabel.init(allocator, buffer, drawItem),
+        .lang = lang,
+    };
+}
+
+pub fn deinit(self: Session) void {
+    for (self.label.list.items) |*environment| {
+        if (environment.entry_ini) |*entry_ini| entry_ini.deinit();
+        if (environment.xdg_session_desktop) |session_desktop| self.label.allocator.free(session_desktop);
+    }
+
+    self.label.deinit();
+}
+
+pub fn addEnvironment(self: *Session, entry: DesktopEntry, xdg_session_desktop: ?[:0]const u8, display_server: DisplayServer) !void {
+    var xdg_desktop_names: ?[:0]const u8 = null;
+    if (entry.DesktopNames) |desktop_names| {
+        for (desktop_names) |*c| {
+            if (c.* == ';') c.* = ':';
+        }
+        xdg_desktop_names = desktop_names;
+    }
+
+    try self.label.addItem(.{
+        .entry_ini = null,
+        .name = entry.Name,
+        .xdg_session_desktop = xdg_session_desktop,
+        .xdg_desktop_names = xdg_desktop_names,
+        .cmd = entry.Exec,
+        .specifier = switch (display_server) {
+            .wayland => self.lang.wayland,
+            .x11 => self.lang.x11,
+            else => self.lang.other,
+        },
+        .display_server = display_server,
+    });
+}
+
+pub fn addEnvironmentWithIni(self: *Session, entry_ini: Ini(Entry), xdg_session_desktop: ?[:0]const u8, display_server: DisplayServer) !void {
+    const entry = entry_ini.data.@"Desktop Entry";
+    var xdg_desktop_names: ?[:0]const u8 = null;
+    if (entry.DesktopNames) |desktop_names| {
+        for (desktop_names) |*c| {
+            if (c.* == ';') c.* = ':';
+        }
+        xdg_desktop_names = desktop_names;
+    }
+
+    try self.label.addItem(.{
+        .entry_ini = entry_ini,
+        .name = entry.Name,
+        .xdg_session_desktop = xdg_session_desktop,
+        .xdg_desktop_names = xdg_desktop_names,
+        .cmd = entry.Exec,
+        .specifier = switch (display_server) {
+            .wayland => self.lang.wayland,
+            .x11 => self.lang.x11,
+            else => self.lang.other,
+        },
+        .display_server = display_server,
+    });
+}
+
+pub fn crawl(self: *Session, path: []const u8, display_server: DisplayServer) !void {
+    var iterable_directory = std.fs.openDirAbsolute(path, .{ .iterate = true }) catch return;
+    defer iterable_directory.close();
+
+    var iterator = iterable_directory.iterate();
+    while (try iterator.next()) |item| {
+        if (!std.mem.eql(u8, std.fs.path.extension(item.name), ".desktop")) continue;
+
+        const entry_path = try std.fmt.allocPrint(self.label.allocator, "{s}/{s}", .{ path, item.name });
+        defer self.label.allocator.free(entry_path);
+        var entry_ini = Ini(Entry).init(self.label.allocator);
+        _ = try entry_ini.readFileToStruct(entry_path, "#", null);
+        errdefer entry_ini.deinit();
+
+        var xdg_session_desktop: []const u8 = undefined;
+        const maybe_desktop_names = entry_ini.data.@"Desktop Entry".DesktopNames;
+        if (maybe_desktop_names) |desktop_names| {
+            xdg_session_desktop = std.mem.sliceTo(desktop_names, ';');
+        } else {
+            // if DesktopNames is empty, we'll take the name of the session file
+            xdg_session_desktop = std.fs.path.stem(item.name);
+        }
+
+        const session_desktop = try self.label.allocator.dupeZ(u8, xdg_session_desktop);
+        errdefer self.label.allocator.free(session_desktop);
+
+        try self.addEnvironmentWithIni(entry_ini, session_desktop, display_server);
+    }
+}
+
+fn drawItem(label: *EnvironmentLabel, environment: Environment, x: usize, y: usize) bool {
+    const length = @min(environment.name.len, label.visible_length - 3);
+    if (length == 0) return false;
+
+    const nx = if (label.text_in_center) (label.x + (label.visible_length - environment.name.len) / 2) else (label.x + 2);
+    label.first_char_x = nx + environment.name.len;
+
+    label.buffer.drawLabel(environment.specifier, x, y);
+    label.buffer.drawLabel(environment.name, nx, label.y);
+    return true;
+}

src/tui/components/Text.zig

@@ -0,0 +1,161 @@
+const std = @import("std");
+const interop = @import("../../interop.zig");
+const TerminalBuffer = @import("../TerminalBuffer.zig");
+const utils = @import("../utils.zig");
+
+const Allocator = std.mem.Allocator;
+const DynamicString = std.ArrayList(u8);
+
+const termbox = interop.termbox;
+
+const Text = @This();
+
+allocator: Allocator,
+buffer: *TerminalBuffer,
+text: DynamicString,
+end: usize,
+cursor: usize,
+visible_start: usize,
+visible_length: usize,
+x: usize,
+y: usize,
+masked: bool,
+maybe_mask: ?u8,
+
+pub fn init(allocator: Allocator, buffer: *TerminalBuffer, masked: bool, maybe_mask: ?u8) Text {
+    const text = DynamicString.init(allocator);
+
+    return .{
+        .allocator = allocator,
+        .buffer = buffer,
+        .text = text,
+        .end = 0,
+        .cursor = 0,
+        .visible_start = 0,
+        .visible_length = 0,
+        .x = 0,
+        .y = 0,
+        .masked = masked,
+        .maybe_mask = maybe_mask,
+    };
+}
+
+pub fn deinit(self: Text) void {
+    self.text.deinit();
+}
+
+pub fn position(self: *Text, x: usize, y: usize, visible_length: usize) void {
+    self.x = x;
+    self.y = y;
+    self.visible_length = visible_length;
+}
+
+pub fn handle(self: *Text, maybe_event: ?*termbox.tb_event, insert_mode: bool) !void {
+    if (maybe_event) |event| blk: {
+        if (event.type != termbox.TB_EVENT_KEY) break :blk;
+
+        switch (event.key) {
+            termbox.TB_KEY_ARROW_LEFT => self.goLeft(),
+            termbox.TB_KEY_ARROW_RIGHT => self.goRight(),
+            termbox.TB_KEY_DELETE => self.delete(),
+            termbox.TB_KEY_BACKSPACE, termbox.TB_KEY_BACKSPACE2 => {
+                if (insert_mode) {
+                    self.backspace();
+                } else {
+                    self.goLeft();
+                }
+            },
+            termbox.TB_KEY_SPACE => try self.write(' '),
+            else => {
+                if (event.ch > 31 and event.ch < 127) {
+                    if (insert_mode) {
+                        try self.write(@intCast(event.ch));
+                    } else {
+                        switch (event.ch) {
+                            'h' => self.goLeft(),
+                            'l' => self.goRight(),
+                            else => {},
+                        }
+                    }
+                }
+            },
+        }
+    }
+
+    if (self.masked and self.maybe_mask == null) {
+        _ = termbox.tb_set_cursor(@intCast(self.x), @intCast(self.y));
+        return;
+    }
+
+    _ = termbox.tb_set_cursor(@intCast(self.x + (self.cursor - self.visible_start)), @intCast(self.y));
+}
+
+pub fn draw(self: Text) void {
+    if (self.masked) {
+        if (self.maybe_mask) |mask| {
+            const length = @min(self.text.items.len, self.visible_length - 1);
+            if (length == 0) return;
+
+            self.buffer.drawCharMultiple(mask, self.x, self.y, length);
+        }
+        return;
+    }
+
+    const length = @min(self.text.items.len, self.visible_length);
+    if (length == 0) return;
+
+    const visible_slice = vs: {
+        if (self.text.items.len > self.visible_length and self.cursor < self.text.items.len) {
+            break :vs self.text.items[self.visible_start..(self.visible_length + self.visible_start)];
+        } else {
+            break :vs self.text.items[self.visible_start..];
+        }
+    };
+
+    self.buffer.drawLabel(visible_slice, self.x, self.y);
+}
+
+pub fn clear(self: *Text) void {
+    self.text.clearRetainingCapacity();
+    self.end = 0;
+    self.cursor = 0;
+    self.visible_start = 0;
+}
+
+fn goLeft(self: *Text) void {
+    if (self.cursor == 0) return;
+    if (self.visible_start > 0) self.visible_start -= 1;
+
+    self.cursor -= 1;
+}
+
+fn goRight(self: *Text) void {
+    if (self.cursor >= self.end) return;
+    if (self.cursor - self.visible_start == self.visible_length - 1) self.visible_start += 1;
+
+    self.cursor += 1;
+}
+
+fn delete(self: *Text) void {
+    if (self.cursor >= self.end) return;
+
+    _ = self.text.orderedRemove(self.cursor);
+
+    self.end -= 1;
+}
+
+fn backspace(self: *Text) void {
+    if (self.cursor == 0) return;
+
+    self.goLeft();
+    self.delete();
+}
+
+fn write(self: *Text, char: u8) !void {
+    if (char == 0) return;
+
+    try self.text.insert(self.cursor, char);
+
+    self.end += 1;
+    self.goRight();
+}

src/tui/components/generic.zig

@@ -0,0 +1,115 @@
+const std = @import("std");
+const enums = @import("../../enums.zig");
+const interop = @import("../../interop.zig");
+const TerminalBuffer = @import("../TerminalBuffer.zig");
+
+pub fn CyclableLabel(comptime ItemType: type) type {
+    return struct {
+        const Allocator = std.mem.Allocator;
+        const ItemList = std.ArrayList(ItemType);
+        const DrawItemFn = *const fn (*Self, ItemType, usize, usize) bool;
+
+        const termbox = interop.termbox;
+
+        const Self = @This();
+
+        allocator: Allocator,
+        buffer: *TerminalBuffer,
+        list: ItemList,
+        current: usize,
+        visible_length: usize,
+        x: usize,
+        y: usize,
+        first_char_x: usize,
+        text_in_center: bool,
+        draw_item_fn: DrawItemFn,
+
+        pub fn init(allocator: Allocator, buffer: *TerminalBuffer, draw_item_fn: DrawItemFn) Self {
+            return .{
+                .allocator = allocator,
+                .buffer = buffer,
+                .list = ItemList.init(allocator),
+                .current = 0,
+                .visible_length = 0,
+                .x = 0,
+                .y = 0,
+                .first_char_x = 0,
+                .text_in_center = false,
+                .draw_item_fn = draw_item_fn,
+            };
+        }
+
+        pub fn deinit(self: Self) void {
+            self.list.deinit();
+        }
+
+        pub fn position(self: *Self, x: usize, y: usize, visible_length: usize, text_in_center: ?bool) void {
+            self.x = x;
+            self.y = y;
+            self.visible_length = visible_length;
+            self.first_char_x = x + 2;
+            if (text_in_center) |value| {
+                self.text_in_center = value;
+            }
+        }
+
+        pub fn addItem(self: *Self, item: ItemType) !void {
+            try self.list.append(item);
+            self.current = self.list.items.len - 1;
+        }
+
+        pub fn handle(self: *Self, maybe_event: ?*termbox.tb_event, insert_mode: bool) void {
+            if (maybe_event) |event| blk: {
+                if (event.type != termbox.TB_EVENT_KEY) break :blk;
+
+                switch (event.key) {
+                    termbox.TB_KEY_ARROW_LEFT, termbox.TB_KEY_CTRL_H => self.goLeft(),
+                    termbox.TB_KEY_ARROW_RIGHT, termbox.TB_KEY_CTRL_L => self.goRight(),
+                    else => {
+                        if (!insert_mode) {
+                            switch (event.ch) {
+                                'h' => self.goLeft(),
+                                'l' => self.goRight(),
+                                else => {},
+                            }
+                        }
+                    },
+                }
+            }
+
+            _ = termbox.tb_set_cursor(@intCast(self.first_char_x), @intCast(self.y));
+        }
+
+        pub fn draw(self: *Self) void {
+            if (self.list.items.len == 0) return;
+
+            const current_item = self.list.items[self.current];
+            const x = self.buffer.box_x + self.buffer.margin_box_h;
+            const y = self.buffer.box_y + self.buffer.margin_box_v + 2;
+
+            const continue_drawing = @call(.auto, self.draw_item_fn, .{ self, current_item, x, y });
+            if (!continue_drawing) return;
+
+            _ = termbox.tb_set_cell(@intCast(self.x), @intCast(self.y), '<', self.buffer.fg, self.buffer.bg);
+            _ = termbox.tb_set_cell(@intCast(self.x + self.visible_length - 1), @intCast(self.y), '>', self.buffer.fg, self.buffer.bg);
+        }
+
+        fn goLeft(self: *Self) void {
+            if (self.current == 0) {
+                self.current = self.list.items.len - 1;
+                return;
+            }
+
+            self.current -= 1;
+        }
+
+        fn goRight(self: *Self) void {
+            if (self.current == self.list.items.len - 1) {
+                self.current = 0;
+                return;
+            }
+
+            self.current += 1;
+        }
+    };
+}

src/tui/utils.zig

@@ -0,0 +1,32 @@
+const std = @import("std");
+const interop = @import("../interop.zig");
+
+const termbox = interop.termbox;
+
+pub const Cell = struct {
+    ch: u32,
+    fg: u16,
+    bg: u16,
+};
+
+pub fn initCell(ch: u32, fg: u16, bg: u16) Cell {
+    return .{
+        .ch = ch,
+        .fg = fg,
+        .bg = bg,
+    };
+}
+
+pub fn putCell(x: usize, y: usize, cell: Cell) void {
+    _ = termbox.tb_set_cell(@intCast(x), @intCast(y), cell.ch, cell.fg, cell.bg);
+}
+
+// Every codepoint is assumed to have a width of 1.
+// Since ly should be running in a tty, this should be fine.
+pub fn strWidth(str: []const u8) !u8 {
+    const utf8view = try std.unicode.Utf8View.init(str);
+    var utf8 = utf8view.iterator();
+    var i: u8 = 0;
+    while (utf8.nextCodepoint()) |_| i += 1;
+    return i;
+}

src/utils.c

@@ -1,276 +0,0 @@
-#include "configator.h"
-#include "dragonfail.h"
-#include "inputs.h"
-#include "config.h"
-#include "utils.h"
-
-#include <dirent.h>
-#include <limits.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/ioctl.h>
-#include <unistd.h>
-
-#if defined(__DragonFly__) || defined(__FreeBSD__)
-	#include <sys/consio.h>
-#else // linux
-	#include <linux/vt.h>
-#endif
-
-void desktop_crawl(
-	struct desktop* target,
-	char* sessions,
-	enum display_server server)
-{
-	DIR* dir;
-	struct dirent* dir_info;
-	int ok;
-
-	ok = access(sessions, F_OK);
-
-	if (ok == -1)
-	{
-		dgn_throw(DGN_XSESSIONS_DIR);
-		return;
-	}
-
-	dir = opendir(sessions);
-
-	if (dir == NULL)
-	{
-		dgn_throw(DGN_XSESSIONS_OPEN);
-		return;
-	}
-
-	char* name = NULL;
-	char* exec = NULL;
-
-	struct configator_param map_desktop[] =
-	{
-		{"Exec", &exec, config_handle_str},
-		{"Name", &name, config_handle_str},
-	};
-
-	struct configator_param* map[] =
-	{
-		NULL,
-		map_desktop,
-	};
-
-	struct configator_param sections[] =	
-	{
-		{"Desktop Entry", NULL, NULL},
-	};
-
-	uint16_t map_len[] = {0, 2};
-	uint16_t sections_len = 1;
-
-	struct configator desktop_config;
-	desktop_config.map = map;
-	desktop_config.map_len = map_len;
-	desktop_config.sections = sections;
-	desktop_config.sections_len = sections_len;
-
-#if defined(NAME_MAX)
-	char path[NAME_MAX];
-#elif defined(_POSIX_PATH_MAX)
-	char path[_POSIX_PATH_MAX];
-#else
-	char path[1024];
-#endif
-
-	dir_info = readdir(dir);
-
-	while (dir_info != NULL)
-	{
-		if ((dir_info->d_name)[0] == '.')
-		{
-			dir_info = readdir(dir);
-			continue;
-		}
-
-		snprintf(path, (sizeof (path)) - 1, "%s/", sessions);
-		strncat(path, dir_info->d_name, (sizeof (path)) - 1);
-		configator(&desktop_config, path);
-
-		// if these are wayland sessions, add " (Wayland)" to their names,
-		// as long as their names don't already contain that string
-		if (server == DS_WAYLAND && config.wayland_specifier)
-		{
-			const char wayland_specifier[] = " (Wayland)";
-			if (strstr(name, wayland_specifier) == NULL)
-			{
-				name = realloc(name, (strlen(name) + sizeof(wayland_specifier) + 1));
-				// using strcat is safe because the string is constant
-				strcat(name, wayland_specifier);
-			}
-		}
-
-		if ((name != NULL) && (exec != NULL))
-		{
-			input_desktop_add(target, name, exec, server);
-		}
-
-		name = NULL;
-		exec = NULL;
-		dir_info = readdir(dir);
-	}
-
-	closedir(dir);
-}
-
-void desktop_load(struct desktop* target)
-{
-	// we don't care about desktop environments presence
-	// because the fallback shell is always available
-	// so we just dismiss any "throw" for now
-	int err = 0;
-
-	desktop_crawl(target, config.waylandsessions, DS_WAYLAND);
-
-	if (dgn_catch())
-	{
-		++err;
-		dgn_reset();
-	}
-
-	desktop_crawl(target, config.xsessions, DS_XORG);
-
-	if (dgn_catch())
-	{
-		++err;
-		dgn_reset();
-	}
-}
-
-static char* hostname_backup = NULL;
-
-void hostname(char** out)
-{
-	if (hostname_backup != NULL)
-	{
-		*out = hostname_backup;
-		return;
-	}
-
-	int maxlen = sysconf(_SC_HOST_NAME_MAX);
-
-	if (maxlen < 0)
-	{
-		maxlen = _POSIX_HOST_NAME_MAX;
-	}
-
-	hostname_backup = malloc(maxlen + 1);
-
-	if (hostname_backup == NULL)
-	{
-		dgn_throw(DGN_ALLOC);
-		return;
-	}
-
-	if (gethostname(hostname_backup, maxlen) < 0)
-	{
-		dgn_throw(DGN_HOSTNAME);
-		return;
-	}
-
-	hostname_backup[maxlen] = '\0';
-	*out = hostname_backup;
-}
-
-void free_hostname()
-{
-	free(hostname_backup);
-}
-
-void switch_tty(struct term_buf* buf)
-{
-	FILE* console = fopen(config.console_dev, "w");
-
-	if (console == NULL)
-	{
-		buf->info_line = lang.err_console_dev;
-		return;
-	}
-
-	int fd = fileno(console);
-
-	ioctl(fd, VT_ACTIVATE, config.tty);
-	ioctl(fd, VT_WAITACTIVE, config.tty);
-
-	fclose(console);
-}
-
-void save(struct desktop* desktop, struct text* login)
-{
-	if (config.save)
-	{
-		FILE* fp = fopen(config.save_file, "wb+");
-
-		if (fp != NULL)
-		{
-			fprintf(fp, "%s\n%d", login->text, desktop->cur);
-			fclose(fp);
-		}
-	}
-}
-
-void load(struct desktop* desktop, struct text* login)
-{
-	if (!config.load)
-	{
-		return;
-	}
-
-	FILE* fp = fopen(config.save_file, "rb");
-
-	if (fp == NULL)
-	{
-		return;
-	}
-
-	char* line = malloc(config.max_login_len + 1);
-
-	if (line == NULL)
-	{
-		fclose(fp);
-		return;
-	}
-
-	if (fgets(line, config.max_login_len + 1, fp))
-	{
-		int len = strlen(line);
-		strncpy(login->text, line, login->len);
-
-		if (len == 0)
-		{
-			login->end = login->text;
-		}
-		else
-		{
-			login->end = login->text + len - 1;
-			login->text[len - 1] = '\0';
-		}
-	}
-	else
-	{
-		fclose(fp);
-		free(line);
-		return;
-	}
-
-	if (fgets(line, config.max_login_len + 1, fp))
-	{
-		int saved_cur = abs(atoi(line));
-
-		if (saved_cur < desktop->len)
-		{
-			desktop->cur = saved_cur;
-		}
-	}
-
-	fclose(fp);
-	free(line);
-}

src/utils.h

@@ -1,15 +0,0 @@
-#ifndef H_LY_UTILS
-#define H_LY_UTILS
-
-#include "draw.h"
-#include "inputs.h"
-#include "config.h"
-
-void desktop_load(struct desktop* target);
-void hostname(char** out);
-void free_hostname();
-void switch_tty(struct term_buf* buf);
-void save(struct desktop* desktop, struct text* login);
-void load(struct desktop* desktop, struct text* login);
-
-#endif