9c94f52d3d
- pam_lastlog: check localtime_r() return value - pam_faillock: clarify missing user faillock files after reboot - pam_faillock: avoid logging an erroneous consecutive login failure message Resolves: #2130124 Resolves: #2126632 Resolves: #2126648 Signed-off-by: Iker Pedrosa <ipedrosa@redhat.com>
42 lines
1.4 KiB
Diff
42 lines
1.4 KiB
Diff
From 40c271164dbcebfc5304d0537a42fb42e6b6803c Mon Sep 17 00:00:00 2001
|
|
From: Iker Pedrosa <ipedrosa@redhat.com>
|
|
Date: Mon, 26 Sep 2022 12:16:53 +0200
|
|
Subject: [PATCH] pam_lastlog: check localtime_r() return value
|
|
|
|
Check the return value of localtime_r() before calling strftime(). This
|
|
function crashes if the argument is NULL.
|
|
|
|
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2012871
|
|
|
|
Signed-off-by: Iker Pedrosa <ipedrosa@redhat.com>
|
|
---
|
|
modules/pam_lastlog/pam_lastlog.c | 12 ++++++------
|
|
1 file changed, 6 insertions(+), 6 deletions(-)
|
|
|
|
diff --git a/modules/pam_lastlog/pam_lastlog.c b/modules/pam_lastlog/pam_lastlog.c
|
|
index abd048df..121e7560 100644
|
|
--- a/modules/pam_lastlog/pam_lastlog.c
|
|
+++ b/modules/pam_lastlog/pam_lastlog.c
|
|
@@ -573,12 +573,12 @@ last_login_failed(pam_handle_t *pamh, int announce, const char *user, time_t llt
|
|
time_t lf_time;
|
|
|
|
lf_time = utuser.ut_tv.tv_sec;
|
|
- tm = localtime_r (&lf_time, &tm_buf);
|
|
- strftime (the_time, sizeof (the_time),
|
|
- /* TRANSLATORS: "strftime options for date of last login" */
|
|
- _(" %a %b %e %H:%M:%S %Z %Y"), tm);
|
|
-
|
|
- date = the_time;
|
|
+ if ((tm = localtime_r (&lf_time, &tm_buf)) != NULL) {
|
|
+ strftime (the_time, sizeof (the_time),
|
|
+ /* TRANSLATORS: "strftime options for date of last login" */
|
|
+ _(" %a %b %e %H:%M:%S %Z %Y"), tm);
|
|
+ date = the_time;
|
|
+ }
|
|
}
|
|
|
|
/* we want & have the host? */
|
|
--
|
|
2.38.1
|
|
|