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Commit 3ec6bbcd authored by Shirish Pargaonkar's avatar Shirish Pargaonkar Committed by Steve French
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missing changes during ntlmv2/ntlmssp auth and sign 



Signed-off-by: default avatarShirish Pargaonkar <shirishpargaonkar@gmail.com>
Signed-off-by: default avatarSteve French <sfrench@us.ibm.com>
parent 9fbc5908

fs/cifs/cifsencrypt.c

+2 −0
Original line number Diff line number Diff line
@@ -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);

fs/cifs/sess.c

+8 −5
Original line number Diff line number Diff line
@@ -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);