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ntlm authentication and signing - Correct response length for ntlmv2 authentication without extended security

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Fix incorrect calculation of case sensitive response length in the
ntlmv2 (without extended security) response.

Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Shirish Pargaonkar 2010-10-04 19:56:13 -05:00 committed by Steve French
parent 29e07c82a9
commit c9928f7040
1 changed files with 6 additions and 3 deletions
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9
fs/cifs/sess.c
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@ -739,9 +739,6 @@ ssetup_ntlmssp_authenticate:
pSMB->req_no_secext.CaseInsensitivePasswordLength = 0;
/* cpu_to_le16(LM2_SESS_KEY_SIZE); */
pSMB->req_no_secext.CaseSensitivePasswordLength =
cpu_to_le16(sizeof(struct ntlmv2_resp));
/* calculate session key */
rc = setup_ntlmv2_rsp(ses, v2_sess_key, nls_cp);
if (rc) {
@ -753,6 +750,11 @@ ssetup_ntlmssp_authenticate:
sizeof(struct ntlmv2_resp));
bcc_ptr += sizeof(struct ntlmv2_resp);
kfree(v2_sess_key);
/* set case sensitive password length after tilen may get
* assigned, tilen is 0 otherwise.
*/
pSMB->req_no_secext.CaseSensitivePasswordLength =
cpu_to_le16(sizeof(struct ntlmv2_resp) + ses->tilen);
if (ses->tilen > 0) {
memcpy(bcc_ptr, ses->tiblob, ses->tilen);
bcc_ptr += ses->tilen;
@ -761,6 +763,7 @@ ssetup_ntlmssp_authenticate:
ses->tiblob = NULL;
ses->tilen = 0;
}
if (ses->capabilities & CAP_UNICODE) {
if (iov[0].iov_len % 2) {
*bcc_ptr = 0;