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shadow: Fix can not print full login timeout message

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Login timed out message prints only first few bytes when write is immediately followed by exit.
Calling exit from new handler provides enough time to display full message.
This commit is contained in:
SoumyaWind 2022-12-27 17:40:17 +05:30 committed by Serge Hallyn
parent abeb5f3794
commit 670cae8348
1 changed files with 7 additions and 1 deletions
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8
src/login.c
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@ -120,6 +120,7 @@ static void get_pam_user (char **ptr_pam_user);
static void init_env (void);
static void alarm_handler (int);
static void exit_handler (int);
/*
* usage - print login command usage and exit
@ -391,11 +392,16 @@ static void init_env (void)
#endif /* !USE_PAM */
}
static void exit_handler (unused int sig)
{
_exit (0);
}
static void alarm_handler (unused int sig)
{
write (STDERR_FILENO, tmsg, strlen (tmsg));
_exit (0);
signal(SIGALRM, exit_handler);
alarm(2);
}
#ifdef USE_PAM