diff options
| author | Luca Lorenzetto <lorenzetto-luca@ubuntu-it.org> | 2012-09-11 18:35:42 +0200 |
|---|---|---|
| committer | David Disseldorp <ddiss@samba.org> | 2012-09-12 00:07:28 +0200 |
| commit | 4e595f4bf08489cb69e871093804b9069d63d9f5 (patch) | |
| tree | 0dfdba2243845a8fe0aa7cabe5b972546f3d106b | |
| parent | df5f962c60bb273c4759334ed6cc490d2a91d5ba (diff) | |
| download | samba-4e595f4bf08489cb69e871093804b9069d63d9f5.tar.gz samba-4e595f4bf08489cb69e871093804b9069d63d9f5.tar.bz2 samba-4e595f4bf08489cb69e871093804b9069d63d9f5.zip | |
nsswitch: fix crash on null pam change pw response
The function _pam_winbind_change_pwd crashes due to a null value passed
to the function strcasecmp and denies to login via graphical login
manager. Check for a null value before doing a strcasecmp.
Bug-Ubuntu: https://bugs.launchpad.net/bugs/1003296
Bug: https://bugzilla.samba.org/show_bug.cgi?id=9013
Autobuild-User(master): David Disseldorp <ddiss@samba.org>
Autobuild-Date(master): Wed Sep 12 00:07:28 CEST 2012 on sn-devel-104
| -rw-r--r-- | nsswitch/pam_winbind.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/nsswitch/pam_winbind.c b/nsswitch/pam_winbind.c index e3e9af19a3..fb84985155 100644 --- a/nsswitch/pam_winbind.c +++ b/nsswitch/pam_winbind.c @@ -831,7 +831,7 @@ static bool _pam_winbind_change_pwd(struct pwb_context *ctx) } _pam_log(ctx, LOG_CRIT, "Received [%s] reply from application.\n", resp->resp); - if (strcasecmp(resp->resp, "yes") == 0) { + if ((resp->resp != NULL) && (strcasecmp(resp->resp, "yes") == 0)) { retval = true; } |