missing changes during ntlmv2/ntlmssp auth and sign

Signed-off-by: Shirish Pargaonkar <[e-mail]>
Signed-off-by: Steve French <[e-mail]>

fs/cifs/cifsencrypt.c

···
 		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);

fs/cifs/sess.c

···
 	/* 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;
···
 	/* 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);