37 lines
1.4 KiB
Diff
37 lines
1.4 KiB
Diff
|
From c23d74447c7615dc74dae259f0fc3688ec988867 Mon Sep 17 00:00:00 2001
|
||
|
|
From: David Zeuthen <davidz@redhat.com>
|
||
|
|
Date: Fri, 01 Apr 2011 16:12:27 +0000
|
||
|
|
Subject: Use polkit_unix_process_get_uid() to get the owner of a process
|
||
|
|
|
||
|
|
This avoids a TOCTTOU problem.
|
||
|
|
|
||
|
|
Signed-off-by: David Zeuthen <davidz@redhat.com>
|
||
|
|
---
|
||
|
|
diff --git a/src/polkitbackend/polkitbackendsessionmonitor.c b/src/polkitbackend/polkitbackendsessionmonitor.c
|
||
|
|
index 495f752..9c331b6 100644
|
||
|
|
--- a/src/polkitbackend/polkitbackendsessionmonitor.c
|
||
|
|
+++ b/src/polkitbackend/polkitbackendsessionmonitor.c
|
||
|
|
@@ -293,14 +293,15 @@ polkit_backend_session_monitor_get_user_for_subject (PolkitBackendSessionMonitor
|
||
|
|
|
||
|
|
if (POLKIT_IS_UNIX_PROCESS (subject))
|
||
|
|
{
|
||
|
|
- local_error = NULL;
|
||
|
|
- uid = polkit_unix_process_get_owner (POLKIT_UNIX_PROCESS (subject), &local_error);
|
||
|
|
- if (local_error != NULL)
|
||
|
|
+ uid = polkit_unix_process_get_uid (POLKIT_UNIX_PROCESS (subject));
|
||
|
|
+ if ((gint) uid == -1)
|
||
|
|
{
|
||
|
|
- g_propagate_prefixed_error (error, local_error, "Error getting user for process: ");
|
||
|
|
+ g_set_error (error,
|
||
|
|
+ POLKIT_ERROR,
|
||
|
|
+ POLKIT_ERROR_FAILED,
|
||
|
|
+ "Unix process subject does not have uid set");
|
||
|
|
goto out;
|
||
|
|
}
|
||
|
|
-
|
||
|
|
ret = polkit_unix_user_new (uid);
|
||
|
|
}
|
||
|
|
else if (POLKIT_IS_SYSTEM_BUS_NAME (subject))
|
||
|
|
--
|
||
|
|
cgit v0.8.3-6-g21f6
|