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authorGünther Deschner <gd@samba.org>2009-05-07 13:32:41 +0200
committerGünther Deschner <gd@samba.org>2009-05-07 13:32:41 +0200
commit8e490d2fa1c52be5da331df0b314508f77ec1f6e (patch)
tree88466488abaf6d931b504edfadd844707b916cfc /source3
parent949cd77ca2529249dc8cd04740c2ca342fb0c283 (diff)
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s3-credentials: protect netlogon_creds_server_step() against NULL creds.
Found by SCHANNEL torture tests. Guenther
Diffstat (limited to 'source3')
-rw-r--r--source3/libsmb/credentials.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/source3/libsmb/credentials.c b/source3/libsmb/credentials.c
index 0d7bde0c09..9dc0b9f01b 100644
--- a/source3/libsmb/credentials.c
+++ b/source3/libsmb/credentials.c
@@ -257,6 +257,10 @@ bool netlogon_creds_server_step(struct dcinfo *dc,
bool ret;
struct dcinfo tmp_dc = *dc;
+ if (!received_cred || !cred_out) {
+ return false;
+ }
+
/* Do all operations on a temporary copy of the dc,
which we throw away if the checks fail. */