From ace4e1987e49930e91f18c3437315e19e55aa5d7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Dag-Erling=20Sm=C3=B8rgrav?= Date: Fri, 7 Feb 2003 16:07:07 +0000 Subject: [PATCH] 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 --- lib/openpam_restore_cred.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/lib/openpam_restore_cred.c b/lib/openpam_restore_cred.c index 75ebe5e..d18f78f 100644 --- a/lib/openpam_restore_cred.c +++ b/lib/openpam_restore_cred.c @@ -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 @@ -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); }