summaryrefslogtreecommitdiffstats
path: root/fs/cifs/sess.c
diff options
context:
space:
mode:
authorPavel Shilovsky2016-11-08 03:20:50 +0100
committerSteve French2017-02-01 23:46:36 +0100
commitcabfb3680f78981d26c078a26e5c748531257ebb (patch)
tree583b74b9c79e8787c5e8179c0b2341fa0cd6c389 /fs/cifs/sess.c
parentCIFS: Add capability to transform requests before sending (diff)
downloadkernel-qcow2-linux-cabfb3680f78981d26c078a26e5c748531257ebb.tar.gz
kernel-qcow2-linux-cabfb3680f78981d26c078a26e5c748531257ebb.tar.xz
kernel-qcow2-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.c22
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);