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Checking the return value from pam_get_item(3) isn't enough, we also 

have to check that the item isn't NULL.

Submitted by:	marcus


git-svn-id: svn+ssh://svn.openpam.org/svn/openpam/trunk@258 185d5e19-27fe-0310-9dcf-9bff6b9f3609
This commit is contained in:
Dag-Erling Smørgrav 2003-06-18 11:14:58 +00:00
parent ff7d10eaa1
commit ba03913cf0
1 changed files with 3 additions and 3 deletions
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6
lib/pam_get_user.c
View File

@ -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/pam_get_user.c#17 $
* $P4: //depot/projects/openpam/lib/pam_get_user.c#18 $
*/
#include <sys/param.h>
@ -43,7 +43,7 @@
#include "openpam_impl.h"
const char user_prompt[] = "Login:";
static const char user_prompt[] = "Login:";
/*
* XSSO 4.2.1
@ -64,7 +64,7 @@ pam_get_user(pam_handle_t *pamh,
if (pamh == NULL || user == NULL)
RETURNC(PAM_SYSTEM_ERR);
r = pam_get_item(pamh, PAM_USER, (const void **)user);
if (r == PAM_SUCCESS)
if (r == PAM_SUCCESS && *user != NULL)
RETURNC(PAM_SUCCESS);
if (prompt == NULL) {
r = pam_get_item(pamh, PAM_USER_PROMPT, (const void **)&prompt);