Revert "missing changes during ntlmv2/ntlmssp auth and sign"

This reverts commit 3ec6bbcdb4e85403f2c5958876ca9492afdf4031.

    The change to kernel crypto and fixes to ntlvm2 and ntlmssp
    series, introduced a regression.  Deferring this patch series
    to 2.6.37 after Shirish fixes it.

Signed-off-by: Steve French <sfrench@us.ibm.com>
Acked-by: Jeff Layton <jlayton@redhat.com>
CC: Shirish Pargaonkar <shirishp@us.ibm.com>

2 files changed, 5 insertions, 10 deletions

diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index eef78c24e0cc..051d00011ca3 100644
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -553,8 +553,6 @@ calc_seckey(struct TCP_Server_Info *server)
                 return 1;
         }
 
-        desc.tfm = tfm_arc4;
-
         crypto_blkcipher_setkey(tfm_arc4,
                 server->session_key.data.ntlmv2.key, CIFS_CPHTXT_SIZE);
         sg_init_one(&sgin, sec_key, CIFS_CPHTXT_SIZE);
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 4788e16a02cc..41fc5328120d 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -408,8 +408,6 @@ static int decode_ntlmssp_challenge(char *bcc_ptr, int blob_len,
         /* BB spec says that if AvId field of MsvAvTimestamp is populated then
                 we must set the MIC field of the AUTHENTICATE_MESSAGE */
 
-        ses->server->ntlmssp.server_flags = le32_to_cpu(pblob->NegotiateFlags);
-
         tioffset = cpu_to_le16(pblob->TargetInfoArray.BufferOffset);
         tilen = cpu_to_le16(pblob->TargetInfoArray.Length);
         ses->server->tilen = tilen;
@@ -442,13 +440,12 @@ static void build_ntlmssp_negotiate_blob(unsigned char *pbuffer,
         /* BB is NTLMV2 session security format easier to use here? */
         flags = NTLMSSP_NEGOTIATE_56 |  NTLMSSP_REQUEST_TARGET |
                 NTLMSSP_NEGOTIATE_128 | NTLMSSP_NEGOTIATE_UNICODE |
-                NTLMSSP_NEGOTIATE_NTLM;
+                NTLMSSP_NEGOTIATE_NT_ONLY | NTLMSSP_NEGOTIATE_NTLM;
         if (ses->server->secMode &
-           (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) {
-                flags |= NTLMSSP_NEGOTIATE_SIGN |
-                        NTLMSSP_NEGOTIATE_KEY_XCH |
-                        NTLMSSP_NEGOTIATE_EXTENDED_SEC;
-        }
+           (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
+                flags |= NTLMSSP_NEGOTIATE_SIGN;
+        if (ses->server->secMode & SECMODE_SIGN_REQUIRED)
+                flags |= NTLMSSP_NEGOTIATE_ALWAYS_SIGN;
 
         sec_blob->NegotiateFlags |= cpu_to_le32(flags);