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| author | Matthew Fischer <matthew.fischer@canonical.com> | 2012-06-05 21:31:03 -0600 |
|---|---|---|
| committer | Matthew Fischer <matthew.fischer@canonical.com> | 2012-06-05 21:31:03 -0600 |
| commit | fe50efbbc89331d32653b9acb41e675e2cd24891 (patch) | |
| tree | ed38f62373ec2c1c82c2e01aacf6802df5340a86 /src | |
| parent | 28f4f0777c33c16809569eb01dabd5708827eb4a (diff) | |
| download | lightdm-fe50efbbc89331d32653b9acb41e675e2cd24891.tar.gz | |
fixes 999713: setresuid/setresgid don't work on some platforms
Diffstat (limited to 'src')
| -rw-r--r-- | src/privileges.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/src/privileges.c b/src/privileges.c index 1f87b4f2..c7f4ef00 100644 --- a/src/privileges.c +++ b/src/privileges.c @@ -12,6 +12,7 @@ /* for setres*id() */ #define _GNU_SOURCE +#include <config.h> #include "privileges.h" void @@ -20,14 +21,38 @@ privileges_drop (User *user) g_return_if_fail (user != NULL); g_debug ("Dropping privileges to uid %i", user_get_uid (user)); +#ifdef HAVE_SETRESGID + g_debug ("Calling setresgid"); g_assert (setresgid (user_get_gid (user), user_get_gid (user), -1) == 0); +#else + g_assert (setgid (user_get_gid (user)) == 0); + g_assert (setegid (user_get_gid (user)) == 0); +#endif +#ifdef HAVE_SETRESUID + g_debug ("Calling setresuid"); g_assert (setresuid (user_get_uid (user), user_get_uid (user), -1) == 0); +#else + g_assert (setuid (user_get_uid (user)) == 0); + g_assert (seteuid (user_get_uid (user)) == 0); +#endif } void privileges_reclaim (void) { g_debug ("Restoring privileges"); +#ifdef HAVE_SETRESUID + g_debug ("Calling setresuid"); g_assert (setresuid (0, 0, -1) == 0); - g_assert (setresgid (0, 0, -1) == 0); +#else + g_assert (setuid (0) == 0); + g_assert (seteuid (0) == 0); +#endif +#ifdef HAVE_SETRESGID + g_debug ("Calling setresgid"); + g_assert (setresgid (0, 0, -1) == 0); +#else + g_assert (setgid (0) == 0); + g_assert (setegid (0) == 0); +#endif } |