Nobody expects the Ziguanas (#517)

* Add build.zig, remove makefile, add .idea directory to .gitignore

* Remove submodules, add projects directly

* Remove submodules

* Add projects

* Rename sub/ to dep/, remove makefiles

* Rewrite main.c

* Remove Argoat dependency

* Remove unused dependencies

* Rewrite config.c

* Add files

* Change default fg to 8 in config.ini

* Partially rewrite utils.c

* Use Zig package manager

* Rewrite INPUTS enum in Zig

* Commit unfinished full rewrite (Zig 0.11.0)
What needs to be dealt with:
- Matrix animation
- Authentication part
- Testing on actual TTY (not just virtual console)

Signed-off-by: AnErrupTion <anerruption@disroot.org>

* Implement more (untested) authentication code

Signed-off-by: AnErrupTion <anerruption@disroot.org>

* Fix some bugs (hopefully)

Signed-off-by: AnErrupTion <anerruption@disroot.org>

* Try to fix some more bugs

Signed-off-by: AnErrupTion <anerruption@disroot.org>

* Oops, forgot to allocate hehe

Signed-off-by: AnErrupTion <anerruption@disroot.org>

* Changes in the Zig rewrite (#596)

* Everything

* make matrix.zig a bit cleaner

* make long lines shorter and add changelog

* vi mode

* update changelog

* get errors from child process and (hopefully) fix some other things

* fix utmp entry

* run authentication in a child process

* update changelog

* small code improvements

* change that

* clear terminal on SIGTERM

* Remove LogFile

* moved ini to a lib, fixed alternative langs

* fix logging out

* oops

* code improvements

* consistency

* clearing the env isn't needed anymore (afaik)

* replace vi_mode with a bool

* type aliases, avoiding zeroes(), breaking a long line

* lowercase insert/normal, merge conditionals, code improvements

* Add experimental save file migrator + bug fixes + add "-dev" version suffix

Signed-off-by: AnErrupTion <anerruption@disroot.org>

* Resolve conflicts

Signed-off-by: AnErrupTion <anerruption@disroot.org>

* Clean up when SIGTERM is received (#597)

* clean up child processes on SIGTERM

* small code improvement

* consistency.. i guess?

* Properly set XDG_CURRENT_DESKTOP

Signed-off-by: AnErrupTion <anerruption@disroot.org>

* Zig 0.12.0 and more! (#599)

* less alloc, update migrator, get DesktopNames from .desktop

* small cleanup

* Update zigini to improve compatibility with old config

* Code improvements

* Update to zig version 0.12.0

* Some fixes

* tiny changes

* remove useless comment

* migrator changes, and small things

* set XDG env vars differently

* free memory on error when appending environments

* Fix out of bounds issue when using the Delete key

Signed-off-by: AnErrupTion <anerruption@disroot.org>

* Update zig-ini to fix configuration issue (#603)

* Mention display-manager-init for Gentoo/OpenRC in readme.md

Signed-off-by: AnErrupTion <anerruption@disroot.org>

* Tidy up readme.md

Signed-off-by: AnErrupTion <anerruption@disroot.org>

* Fix authentication in a few edge cases (#604)

* fix loginConv and auth

* fix potential mem leak with configs

* BIG changes

---------

Signed-off-by: AnErrupTion <anerruption@disroot.org>
Co-authored-by: アシュ <120780645+Kawaii-Ash@users.noreply.github.com>

src/config/Config.zig

@@ -0,0 +1,50 @@
+const build_options = @import("build_options");
+const enums = @import("../enums.zig");
+
+const Animation = enums.Animation;
+const Input = enums.Input;
+
+animation: Animation = .none,
+asterisk: u8 = '*',
+bg: u8 = 0,
+bigclock: bool = false,
+blank_box: bool = true,
+border_fg: u8 = 8,
+clear_password: bool = false,
+clock: ?[:0]const u8 = null,
+console_dev: [:0]const u8 = "/dev/console",
+default_input: Input = .login,
+fg: u8 = 8,
+hide_borders: bool = false,
+hide_key_hints: bool = false,
+input_len: u8 = 34,
+lang: []const u8 = "en",
+load: bool = true,
+margin_box_h: u8 = 2,
+margin_box_v: u8 = 1,
+max_desktop_len: u8 = 100,
+max_login_len: u8 = 255,
+max_password_len: u8 = 255,
+mcookie_cmd: []const u8 = "/usr/bin/mcookie",
+min_refresh_delta: u16 = 5,
+path: ?[:0]const u8 = "/sbin:/bin:/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin",
+restart_cmd: []const u8 = "/sbin/shutdown -r now",
+restart_key: []const u8 = "F2",
+save: bool = true,
+save_file: []const u8 = "/etc/ly/save",
+service_name: [:0]const u8 = "ly",
+shutdown_cmd: []const u8 = "/sbin/shutdown -a now",
+shutdown_key: []const u8 = "F1",
+sleep_cmd: ?[]const u8 = null,
+sleep_key: []const u8 = "F3",
+term_reset_cmd: [:0]const u8 = "/usr/bin/tput reset",
+term_restore_cursor_cmd: []const u8 = "/usr/bin/tput cnorm",
+tty: u8 = 2,
+vi_mode: bool = false,
+wayland_cmd: []const u8 = build_options.data_directory ++ "/wsetup.sh",
+waylandsessions: []const u8 = "/usr/share/wayland-sessions",
+x_cmd: []const u8 = "/usr/bin/X",
+xinitrc: ?[]const u8 = "~/.xinitrc",
+x_cmd_setup: []const u8 = build_options.data_directory ++ "/xsetup.sh",
+xauth_cmd: []const u8 = "/usr/bin/xauth",
+xsessions: []const u8 = "/usr/share/xsessions",

src/config/Lang.zig

@@ -0,0 +1,51 @@
+capslock: []const u8 = "capslock",
+err_alloc: []const u8 = "failed memory allocation",
+err_bounds: []const u8 = "out-of-bounds index",
+err_chdir: []const u8 = "failed to open home folder",
+err_console_dev: []const u8 = "failed to access console",
+err_dgn_oob: []const u8 = "log message",
+err_domain: []const u8 = "invalid domain",
+err_hostname: []const u8 = "failed to get hostname",
+err_mlock: []const u8 = "failed to lock password memory",
+err_null: []const u8 = "null pointer",
+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_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",
+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: ?u64 = null,

src/config/migrator.zig

@@ -0,0 +1,30 @@
+const std = @import("std");
+const ini = @import("zigini");
+const Save = @import("Save.zig");
+
+pub fn tryMigrateSaveFile(user_buf: *[32]u8, path: []const u8) Save {
+    var save = Save{};
+
+    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', 32) 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', 20) catch {};
+
+    const session_index_str = session_fbs.getWritten();
+    var session_index: ?u64 = null;
+    if (session_index_str.len > 0) {
+        session_index = std.fmt.parseUnsigned(u64, session_index_str, 10) catch return save;
+    }
+    save.session_index = session_index;
+
+    return save;
+}