diff options
| -rw-r--r-- | lib/libpam/modules/pam_lastlog/pam_lastlog.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/libpam/modules/pam_lastlog/pam_lastlog.c b/lib/libpam/modules/pam_lastlog/pam_lastlog.c index 817d1f3..9899f8d 100644 --- a/lib/libpam/modules/pam_lastlog/pam_lastlog.c +++ b/lib/libpam/modules/pam_lastlog/pam_lastlog.c @@ -183,6 +183,11 @@ pam_sm_close_session(pam_handle_t *pamh __unused, int flags __unused, pam_err = pam_get_item(pamh, PAM_TTY, (const void **)&tty); if (pam_err != PAM_SUCCESS) goto err; + if (tty == NULL) { + PAM_LOG("No PAM_TTY"); + pam_err = PAM_SERVICE_ERR; + goto err; + } if (strncmp(tty, _PATH_DEV, strlen(_PATH_DEV)) == 0) tty = (const char *)tty + strlen(_PATH_DEV); if (*(const char *)tty == '\0') |
