Commit 90a1a849 authored by Jan Rybar's avatar Jan Rybar
Browse files

Merge branch 'pkttyagent-leaves-tty-echo-disabled' into 'master'

pkttyagent: PolkitAgentTextListener leaves echo tty disabled if SIGINT/SIGTERM

See merge request !24
parents 2e756da8 bfb722bb
......@@ -25,11 +25,44 @@
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <termios.h>
#include <glib/gi18n.h>
#include <polkit/polkit.h>
#include <polkitagent/polkitagent.h>
static volatile sig_atomic_t tty_flags_saved;
struct termios ts;
FILE *tty = NULL;
struct sigaction savesigterm, savesigint, savesigtstp;
static void tty_handler(int signal)
switch (signal)
sigaction (SIGTERM, &savesigterm, NULL);
case SIGINT:
sigaction (SIGINT, &savesigint, NULL);
sigaction (SIGTSTP, &savesigtstp, NULL);
if (tty_flags_saved)
tcsetattr (fileno (tty), TCSAFLUSH, &ts);
kill(getpid(), signal);
main (int argc, char *argv[])
......@@ -74,6 +107,8 @@ main (int argc, char *argv[])
GMainLoop *loop = NULL;
guint ret = 126;
GVariantBuilder builder;
struct sigaction sa;
const char *tty_name = NULL;
/* Disable remote file access from GIO. */
setenv ("GIO_USE_VFS", "local", 1);
......@@ -212,6 +247,27 @@ main (int argc, char *argv[])
/* Bash leaves tty echo disabled if SIGINT/SIGTERM comes to polkitagenttextlistener.c::on_request(),
but due to threading the handlers cannot take care of the signal there.
Though if controlling terminal cannot be found, the world won't stop spinning.
tty_name = ctermid(NULL);
if (tty_name != NULL)
tty = fopen(tty_name, "r+");
if (tty != NULL && !tcgetattr (fileno (tty), &ts))
tty_flags_saved = TRUE;
memset (&sa, 0, sizeof (sa));
sa.sa_handler = &tty_handler;
sigaction (SIGTERM, &sa, &savesigterm);
sigaction (SIGINT, &sa, &savesigint);
sigaction (SIGTSTP, &sa, &savesigtstp);
loop = g_main_loop_new (NULL, FALSE);
g_main_loop_run (loop);
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