missing changes during ntlmv2/ntlmssp auth and sign

Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index 051d000..eef78c2 100644 (file)
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -553,6 +553,8 @@ 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 41fc532..4788e16 100644 (file)
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -408,6 +408,8 @@ 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;
@@ -440,12 +442,13 @@ 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_NT_ONLY | NTLMSSP_NEGOTIATE_NTLM;
+               NTLMSSP_NEGOTIATE_NTLM;
        if (ses->server->secMode &
-          (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
-               flags |= NTLMSSP_NEGOTIATE_SIGN;
-       if (ses->server->secMode & SECMODE_SIGN_REQUIRED)
-               flags |= NTLMSSP_NEGOTIATE_ALWAYS_SIGN;
+          (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) {
+               flags |= NTLMSSP_NEGOTIATE_SIGN |
+                       NTLMSSP_NEGOTIATE_KEY_XCH |
+                       NTLMSSP_NEGOTIATE_EXTENDED_SEC;
+       }
 
        sec_blob->NegotiateFlags |= cpu_to_le32(flags);