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[CIFS] parse server_GUID in SPNEGO negProt response

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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>
This commit is contained in:
Jeff Layton 2007-10-16 17:10:44 +00:00 committed by Steve French
parent 7111d2144f
commit e187e44eb8
1 changed files with 18 additions and 14 deletions
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32
fs/cifs/cifssmb.c
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@ -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,