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Set PAM_TTY (fixes #248) 

Signed-off-by: AnErrupTion <anerruption@disroot.org>
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AnErrupTion 2024-07-27 22:31:56 +02:00
parent 92c6a38835
commit 1df890b238
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1 changed files with 7 additions and 0 deletions
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7
src/auth.zig
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@ -25,6 +25,9 @@ pub fn authenticate(config: Config, current_environment: Desktop.Environment, lo
var tty_buffer: [3]u8 = undefined;
const tty_str = try std.fmt.bufPrintZ(&tty_buffer, "{d}", .{config.tty});
var pam_tty_buffer: [6]u8 = undefined;
const pam_tty_str = try std.fmt.bufPrintZ(&pam_tty_buffer, "tty{d}", .{config.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 orelse "");
@ -42,6 +45,10 @@ pub fn authenticate(config: Config, current_environment: Desktop.Environment, lo
if (status != interop.pam.PAM_SUCCESS) return pamDiagnose(status);
defer _ = 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);
// Do the PAM routine
status = interop.pam.pam_authenticate(handle, 0);
if (status != interop.pam.PAM_SUCCESS) return pamDiagnose(status);