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cifs: Fix regression in LANMAN (LM) auth code 

LANMAN response length was changed to 16 bytes instead of 24 bytes.
Revert it back to 24 bytes.

Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
CC: stable@kernel.org
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Shirish Pargaonkar 2011-02-17 14:38:31 -06:00 committed by Steve French
parent 9616125611
commit 5e640927a5
1 changed files with 4 additions and 4 deletions
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8
fs/cifs/sess.c
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@ -656,13 +656,13 @@ ssetup_ntlmssp_authenticate:
if (type == LANMAN) {
#ifdef CONFIG_CIFS_WEAK_PW_HASH
char lnm_session_key[CIFS_SESS_KEY_SIZE];
char lnm_session_key[CIFS_AUTH_RESP_SIZE];
pSMB->req.hdr.Flags2 &= ~SMBFLG2_UNICODE;
/* no capabilities flags in old lanman negotiation */
pSMB->old_req.PasswordLength = cpu_to_le16(CIFS_SESS_KEY_SIZE);
pSMB->old_req.PasswordLength = cpu_to_le16(CIFS_AUTH_RESP_SIZE);
/* Calculate hash with password and copy into bcc_ptr.
* Encryption Key (stored as in cryptkey) gets used if the
@ -675,8 +675,8 @@ ssetup_ntlmssp_authenticate:
true : false, lnm_session_key);
ses->flags |= CIFS_SES_LANMAN;
memcpy(bcc_ptr, (char *)lnm_session_key, CIFS_SESS_KEY_SIZE);
bcc_ptr += CIFS_SESS_KEY_SIZE;
memcpy(bcc_ptr, (char *)lnm_session_key, CIFS_AUTH_RESP_SIZE);
bcc_ptr += CIFS_AUTH_RESP_SIZE;
/* can not sign if LANMAN negotiated so no need
to calculate signing key? but what if server