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| author | Pavel Shilovsky <pshilov@microsoft.com> | 2016-11-07 18:20:50 -0800 |
|---|---|---|
| committer | Steve French <smfrench@gmail.com> | 2017-02-01 16:46:36 -0600 |
| commit | cabfb3680f78981d26c078a26e5c748531257ebb (patch) | |
| tree | 583b74b9c79e8787c5e8179c0b2341fa0cd6c389 /fs/cifs/sess.c | |
| parent | 7fb8986e7449d0a5cebd84d059927afa423fbf85 (diff) | |
| download | linux-cabfb3680f78981d26c078a26e5c748531257ebb.tar.gz linux-cabfb3680f78981d26c078a26e5c748531257ebb.tar.bz2 linux-cabfb3680f78981d26c078a26e5c748531257ebb.zip | |
CIFS: Enable encryption during session setup phase
In order to allow encryption on SMB connection we need to exchange
a session key and generate encryption and decryption keys.
Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Diffstat (limited to 'fs/cifs/sess.c')
| -rw-r--r-- | fs/cifs/sess.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index a1118e30e7c7..dcbcc927399a 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -344,13 +344,12 @@ 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_EXTENDED_SEC; - if (ses->server->sign) { + NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_EXTENDED_SEC | + NTLMSSP_NEGOTIATE_SEAL; + if (ses->server->sign) flags |= NTLMSSP_NEGOTIATE_SIGN; - if (!ses->server->session_estab || - ses->ntlmssp->sesskey_per_smbsess) - flags |= NTLMSSP_NEGOTIATE_KEY_XCH; - } + if (!ses->server->session_estab || ses->ntlmssp->sesskey_per_smbsess) + flags |= NTLMSSP_NEGOTIATE_KEY_XCH; sec_blob->NegotiateFlags = cpu_to_le32(flags); @@ -407,13 +406,12 @@ int build_ntlmssp_auth_blob(unsigned char **pbuffer, flags = NTLMSSP_NEGOTIATE_56 | NTLMSSP_REQUEST_TARGET | NTLMSSP_NEGOTIATE_TARGET_INFO | NTLMSSP_NEGOTIATE_128 | NTLMSSP_NEGOTIATE_UNICODE | - NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_EXTENDED_SEC; - if (ses->server->sign) { + NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_EXTENDED_SEC | + NTLMSSP_NEGOTIATE_SEAL; + if (ses->server->sign) flags |= NTLMSSP_NEGOTIATE_SIGN; - if (!ses->server->session_estab || - ses->ntlmssp->sesskey_per_smbsess) - flags |= NTLMSSP_NEGOTIATE_KEY_XCH; - } + if (!ses->server->session_estab || ses->ntlmssp->sesskey_per_smbsess) + flags |= NTLMSSP_NEGOTIATE_KEY_XCH; tmp = *pbuffer + sizeof(AUTHENTICATE_MESSAGE); sec_blob->NegotiateFlags = cpu_to_le32(flags); |