From: Shirish Pargaonkar <[email protected]>
Send EncryptedRandomSessionKey in an Authenticate message of NTLMSSP exchange based only on whether server set flag bit NTLMSSP_NEGOTIATE_KEY_EXCH in the Challenge message of the NTLMSSP exchange. This is per section of MS-NLMP. 3.1.5.1.2 Client Receives a CHALLENGE_MESSAGE from the Server Reported-by: Ben Greear <[email protected]> Signed-off-by: Shirish Pargaonkar <[email protected]> --- fs/cifs/sess.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index e87387d..1bd6f4f 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -450,8 +450,7 @@ int build_ntlmssp_auth_blob(unsigned char *pbuffer, sec_blob->WorkstationName.MaximumLength = 0; tmp += 2; - if (((ses->ntlmssp->server_flags & NTLMSSP_NEGOTIATE_KEY_XCH) || - (ses->ntlmssp->server_flags & NTLMSSP_NEGOTIATE_EXTENDED_SEC)) + if ((ses->ntlmssp->server_flags & NTLMSSP_NEGOTIATE_KEY_XCH) && !calc_seckey(ses)) { memcpy(tmp, ses->ntlmssp->ciphertext, CIFS_CPHTXT_SIZE); sec_blob->SessionKey.BufferOffset = cpu_to_le32(tmp - pbuffer); -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-cifs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
