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If the saved effective uid is the same as the current effective uid, 

just destroy the saved credentials and return.


git-svn-id: svn+ssh://svn.openpam.org/svn/openpam/trunk@202 185d5e19-27fe-0310-9dcf-9bff6b9f3609
This commit is contained in:
Dag-Erling Smørgrav 2003-02-07 16:07:07 +00:00
parent 4ad428dc12
commit ace4e1987e
1 changed files with 7 additions and 5 deletions
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12
lib/openpam_restore_cred.c
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@ -31,7 +31,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $P4: //depot/projects/openpam/lib/openpam_restore_cred.c#3 $
* $P4: //depot/projects/openpam/lib/openpam_restore_cred.c#4 $
*/
#include <sys/param.h>
@ -62,10 +62,12 @@ openpam_restore_cred(pam_handle_t *pamh)
RETURNC(r);
if (scred == NULL)
RETURNC(PAM_SYSTEM_ERR);
if (seteuid(scred->euid) == -1 ||
setgroups(scred->ngroups, scred->groups) == -1 ||
setegid(scred->egid) == -1)
RETURNC(PAM_SYSTEM_ERR);
if (scred->euid != geteuid()) {
if (seteuid(scred->euid) == -1 ||
setgroups(scred->ngroups, scred->groups) == -1 ||
setegid(scred->egid) == -1)
RETURNC(PAM_SYSTEM_ERR);
}
pam_set_data(pamh, PAM_SAVED_CRED, NULL, NULL);
RETURNC(PAM_SUCCESS);
}