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authorJeff Layton <jlayton@redhat.com>2007-10-16 17:10:44 +0000
committerSteve French <sfrench@us.ibm.com>2007-10-16 17:10:44 +0000
commite187e44eb8902089da0c7725d606b0e20fee981d (patch)
tree4390f7d3e20ce5fb0e0b0480d5b9c89b6fce45af /fs/cifs/cifssmb.c
parent7111d2144f17155b66e89b3655fcddbedefcf8a6 (diff)
[CIFS] parse server_GUID in SPNEGO negProt response
SPNEGO NegProt response also contains a server_GUID. Parse it as we would for RawNTLMSSP. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/cifssmb.c')
-rw-r--r--fs/cifs/cifssmb.c32
1 files changed, 18 insertions, 14 deletions
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 9eef7249250..14dabbbd813 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -621,22 +621,26 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
if ((pSMBr->hdr.Flags2 & SMBFLG2_EXT_SEC) &&
(server->capabilities & CAP_EXTENDED_SECURITY)) {
count = pSMBr->ByteCount;
- if (count < 16)
+ if (count < 16) {
rc = -EIO;
- else if (count == 16) {
- server->secType = RawNTLMSSP;
- if (server->socketUseCount.counter > 1) {
- if (memcmp(server->server_GUID,
- pSMBr->u.extended_response.
- GUID, 16) != 0) {
- cFYI(1, ("server UID changed"));
- memcpy(server->server_GUID,
- pSMBr->u.extended_response.GUID,
- 16);
- }
- } else
+ goto neg_err_exit;
+ }
+
+ if (server->socketUseCount.counter > 1) {
+ if (memcmp(server->server_GUID,
+ pSMBr->u.extended_response.
+ GUID, 16) != 0) {
+ cFYI(1, ("server UID changed"));
memcpy(server->server_GUID,
- pSMBr->u.extended_response.GUID, 16);
+ pSMBr->u.extended_response.GUID,
+ 16);
+ }
+ } else
+ memcpy(server->server_GUID,
+ pSMBr->u.extended_response.GUID, 16);
+
+ if (count == 16) {
+ server->secType = RawNTLMSSP;
} else {
rc = decode_negTokenInit(pSMBr->u.extended_response.
SecurityBlob,