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From 9b5dc4cb8d5d82c31c0cda898832998c21afc303 Mon Sep 17 00:00:00 2001
From: Karel Zak <kzak@redhat.com>
Date: Mon, 9 Sep 2013 12:24:01 +0200
Subject: [PATCH] su: fix lastlog and btmp logging
The su(1) logging code mix ups "old" and "new" passwd structs. The
result is things like
Sep 9 11:50:45 x2 su: (to kzak) kzak on none
in /var/log/messages. The right log entry is
Sep 9 11:50:45 x2 su: (to root) kzak on pts/3
The bug has been introduced by commit c74a7af17c7a176c358dfaa8e1814786c89ebc14.
References: https://bugzilla.redhat.com/show_bug.cgi?id=1005194
Signed-off-by: Karel Zak <kzak@redhat.com>
---
login-utils/su-common.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/login-utils/su-common.c b/login-utils/su-common.c
index ade5c92..858af01 100644
--- a/login-utils/su-common.c
+++ b/login-utils/su-common.c
@@ -161,7 +161,7 @@ log_syslog(struct passwd const *pw, bool successful)
old_user = pwd ? pwd->pw_name : "";
}
- if (get_terminal_name(STDERR_FILENO, NULL, &tty, NULL) == 0 && tty)
+ if (get_terminal_name(STDERR_FILENO, NULL, &tty, NULL) != 0 || !tty)
tty = "none";
openlog (program_invocation_short_name, 0 , LOG_AUTH);
@@ -483,9 +483,6 @@ authenticate (const struct passwd *pw)
done:
- if (lpw && lpw->pw_name)
- pw = lpw;
-
log_syslog(pw, !is_pam_failure(retval));
if (is_pam_failure(retval))
--
1.8.1.4