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