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Avoid a NULL pointer dereference if PAM_CONV is non-NULL but its 

conv member is NULL.


git-svn-id: svn+ssh://svn.openpam.org/svn/openpam/trunk@205 185d5e19-27fe-0310-9dcf-9bff6b9f3609
This commit is contained in:
Dag-Erling Smørgrav 2003-02-16 12:09:51 +00:00
parent 80c9bf5c74
commit c85f7eef5b
1 changed files with 2 additions and 2 deletions
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4
lib/pam_vprompt.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/pam_vprompt.c#8 $
* $P4: //depot/projects/openpam/lib/pam_vprompt.c#9 $
*/
#include <stdarg.h>
@ -66,7 +66,7 @@ pam_vprompt(pam_handle_t *pamh,
r = pam_get_item(pamh, PAM_CONV, (const void **)&conv);
if (r != PAM_SUCCESS)
RETURNC(r);
if (conv == NULL) {
if (conv == NULL || conv->conv == NULL) {
openpam_log(PAM_LOG_ERROR, "no conversation function");
RETURNC(PAM_SYSTEM_ERR);
}