diff options
Diffstat (limited to 'modules/pam_mkhomedir/pam_mkhomedir.c')
| -rw-r--r-- | modules/pam_mkhomedir/pam_mkhomedir.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/modules/pam_mkhomedir/pam_mkhomedir.c b/modules/pam_mkhomedir/pam_mkhomedir.c index a0c389c5..1beb2d9f 100644 --- a/modules/pam_mkhomedir/pam_mkhomedir.c +++ b/modules/pam_mkhomedir/pam_mkhomedir.c @@ -104,7 +104,7 @@ create_homedir (pam_handle_t *pamh, int ctrl, const struct passwd *pwd) { int retval, child; - void (*sighandler)(int) = NULL; + struct sigaction newsa, oldsa; /* Mention what is happening, if the notification fails that is OK */ if (!(ctrl & MKHOMEDIR_QUIET)) @@ -118,8 +118,10 @@ create_homedir (pam_handle_t *pamh, int ctrl, * the application to receive a signal it is not expecting - which * may kill the application or worse. */ - sighandler = signal(SIGCHLD, SIG_DFL); - + memset(&newsa, '\0', sizeof(newsa)); + newsa.sa_handler = SIG_DFL; + sigaction(SIGCHLD, &newsa, &oldsa); + if (ctrl & MKHOMEDIR_DEBUG) { pam_syslog(pamh, LOG_DEBUG, "Executing mkhomedir_helper."); } @@ -166,9 +168,7 @@ create_homedir (pam_handle_t *pamh, int ctrl, retval = PAM_SYSTEM_ERR; } - if (sighandler != SIG_ERR) { - (void) signal(SIGCHLD, sighandler); /* restore old signal handler */ - } + sigaction(SIGCHLD, &oldsa, NULL); /* restore old signal handler */ if (ctrl & MKHOMEDIR_DEBUG) { pam_syslog(pamh, LOG_DEBUG, "mkhomedir_helper returned %d", retval); |