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Clean up redundant authentication & session code

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Signed-off-by: AnErrupTion <anerruption@disroot.org>
This commit is contained in:
AnErrupTion
2025-09-25 08:32:30 +02:00
parent d8b0ae34f3
commit 145ad5142c
2 changed files with 14 additions and 46 deletions
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38
src/auth.zig
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@@ -166,14 +166,12 @@ fn startSession(
// Execute what the user requested
switch (current_environment.display_server) {
.wayland => try executeWaylandCmd(log_writer, allocator, user_entry.shell.?, options, current_environment.cmd),
.shell => try executeShellCmd(allocator, user_entry.shell.?, options),
.wayland, .shell, .custom => try executeCmd(log_writer, allocator, user_entry.shell.?, options, current_environment.is_terminal, current_environment.cmd),
.xinitrc, .x11 => if (build_options.enable_x11_support) {
var vt_buf: [5]u8 = undefined;
const vt = try std.fmt.bufPrint(&vt_buf, "vt{d}", .{options.tty});
try executeX11Cmd(log_writer, allocator, user_entry.shell.?, user_entry.home.?, options, current_environment.cmd, vt);
},
.custom => try executeCustomCmd(log_writer, allocator, user_entry.shell.?, options, current_environment.is_terminal, current_environment.cmd),
}
}
@@ -197,7 +195,7 @@ fn setXdgEnv(allocator: std.mem.Allocator, tty_str: []u8, environment: Environme
.wayland => "wayland",
.shell => "tty",
.xinitrc, .x11 => "x11",
.custom => "unspecified",
.custom => if (environment.is_terminal) "tty" else "unspecified",
}, false);
// The "/run/user/%d" directory is not available on FreeBSD. It is much
@@ -389,36 +387,6 @@ fn xauth(log_writer: *std.Io.Writer, allocator: std.mem.Allocator, display_name:
}
}
fn executeShellCmd(allocator: std.mem.Allocator, shell: []const u8, options: AuthOptions) !void {
// We don't want to redirect stdout and stderr in a shell session
const shell_z = try allocator.dupeZ(u8, shell);
defer allocator.free(shell_z);
var cmd_buffer: [1024]u8 = undefined;
const cmd_str = try std.fmt.bufPrintZ(&cmd_buffer, "{s} {s} {s}", .{ options.setup_cmd, options.login_cmd orelse "", shell });
const args = [_:null]?[*:0]const u8{ shell_z, "-c", cmd_str };
return std.posix.execveZ(shell_z, &args, std.c.environ);
}
fn executeWaylandCmd(log_writer: *std.Io.Writer, allocator: std.mem.Allocator, shell: []const u8, options: AuthOptions, desktop_cmd: []const u8) !void {
var maybe_log_file: ?std.fs.File = null;
if (options.session_log) |log_path| {
maybe_log_file = try redirectStandardStreams(log_writer, log_path, true);
}
defer if (maybe_log_file) |log_file| log_file.close();
const shell_z = try allocator.dupeZ(u8, shell);
defer allocator.free(shell_z);
var cmd_buffer: [1024]u8 = undefined;
const cmd_str = try std.fmt.bufPrintZ(&cmd_buffer, "{s} {s} {s}", .{ options.setup_cmd, options.login_cmd orelse "", desktop_cmd });
const args = [_:null]?[*:0]const u8{ shell_z, "-c", cmd_str };
return std.posix.execveZ(shell_z, &args, std.c.environ);
}
fn executeX11Cmd(log_writer: *std.Io.Writer, allocator: std.mem.Allocator, shell: []const u8, home: []const u8, options: AuthOptions, desktop_cmd: []const u8, vt: []const u8) !void {
const display_num = try getFreeDisplay();
var buf: [4]u8 = undefined;
@@ -482,7 +450,7 @@ fn executeX11Cmd(log_writer: *std.Io.Writer, allocator: std.mem.Allocator, shell
_ = std.posix.waitpid(x_pid, 0);
}
fn executeCustomCmd(log_writer: *std.Io.Writer, allocator: std.mem.Allocator, shell: []const u8, options: AuthOptions, is_terminal: bool, exec_cmd: []const u8) !void {
fn executeCmd(log_writer: *std.Io.Writer, allocator: std.mem.Allocator, shell: []const u8, options: AuthOptions, is_terminal: bool, exec_cmd: []const u8) !void {
var maybe_log_file: ?std.fs.File = null;
if (!is_terminal) {
// For custom desktop entries, the "Terminal" value here determines if