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Fix XDG_RUNTIME_DIR not being set properly (fixes #781) 

Signed-off-by: AnErrupTion <anerruption@disroot.org>
This commit is contained in:
AnErrupTion 2025-07-06 09:25:06 +02:00
parent 2ae86a695b
commit 41f4378bfe
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1 changed files with 10 additions and 9 deletions
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19
src/auth.zig
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@ -41,8 +41,7 @@ pub fn authenticate(options: AuthOptions, current_environment: Environment, logi
const pam_tty_str = try std.fmt.bufPrintZ(&pam_tty_buffer, "tty{d}", .{options.tty});
// Set the XDG environment variables
setXdgSessionEnv(current_environment.display_server);
try setXdgEnv(tty_str, current_environment.xdg_session_desktop, current_environment.xdg_desktop_names);
try setXdgEnv(tty_str, current_environment);
// Open the PAM session
var credentials = [_:null]?[*:0]const u8{ login, password };
@ -96,7 +95,7 @@ pub fn authenticate(options: AuthOptions, current_environment: Environment, logi
child_pid = try std.posix.fork();
if (child_pid == 0) {
startSession(options, pwd, handle, current_environment) catch |e| {
startSession(options, tty_str, pwd, handle, current_environment) catch |e| {
shared_err.writeError(e);
std.process.exit(1);
};
@ -132,6 +131,7 @@ pub fn authenticate(options: AuthOptions, current_environment: Environment, logi
fn startSession(
options: AuthOptions,
tty_str: [:0]u8,
pwd: *interop.pwd.passwd,
handle: ?*interop.pam.pam_handle,
current_environment: Environment,
@ -155,6 +155,9 @@ fn startSession(
// Set up the environment
try initEnv(pwd, options.path);
// Reset the XDG environment variables
try setXdgEnv(tty_str, current_environment);
// Set the PAM variables
const pam_env_vars: ?[*:null]?[*:0]u8 = interop.pam.pam_getenvlist(handle);
if (pam_env_vars == null) return error.GetEnvListFailed;
@ -193,15 +196,13 @@ fn initEnv(pwd: *interop.pwd.passwd, path_env: ?[:0]const u8) !void {
}
}
fn setXdgSessionEnv(display_server: enums.DisplayServer) void {
_ = interop.stdlib.setenv("XDG_SESSION_TYPE", switch (display_server) {
fn setXdgEnv(tty_str: [:0]u8, environment: Environment) !void {
_ = interop.stdlib.setenv("XDG_SESSION_TYPE", switch (environment.display_server) {
.wayland => "wayland",
.shell => "tty",
.xinitrc, .x11 => "x11",
}, 0);
}
fn setXdgEnv(tty_str: [:0]u8, maybe_desktop_name: ?[:0]const u8, maybe_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
@ -214,10 +215,10 @@ fn setXdgEnv(tty_str: [:0]u8, maybe_desktop_name: ?[:0]const u8, maybe_xdg_deskt
_ = interop.stdlib.setenv("XDG_RUNTIME_DIR", uid_str, 0);
}
if (maybe_xdg_desktop_names) |xdg_desktop_names| _ = interop.stdlib.setenv("XDG_CURRENT_DESKTOP", xdg_desktop_names, 0);
if (environment.xdg_desktop_names) |xdg_desktop_names| _ = 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);
if (maybe_desktop_name) |desktop_name| _ = interop.stdlib.setenv("XDG_SESSION_DESKTOP", desktop_name, 0);
if (environment.xdg_session_desktop) |desktop_name| _ = interop.stdlib.setenv("XDG_SESSION_DESKTOP", desktop_name, 0);
_ = interop.stdlib.setenv("XDG_SEAT", "seat0", 0);
_ = interop.stdlib.setenv("XDG_VTNR", tty_str, 0);
}