diff options
| author | Namjae Jeon <namjae.jeon@samsung.com> | 2021-07-21 10:05:53 +0900 |
|---|---|---|
| committer | Namjae Jeon <namjae.jeon@samsung.com> | 2021-07-22 09:56:02 +0900 |
| commit | 378087cd17eea71c4e78e6053597e38429ccee0f (patch) | |
| tree | 625ffdc9f578e61f7531eec39926b82f97e724cd /fs/ksmbd/smb2ops.c | |
| parent | af320a739029f6f8c5c05e769fadaf88e9b7d34f (diff) | |
| download | linux-378087cd17eea71c4e78e6053597e38429ccee0f.tar.bz2 | |
ksmbd: add support for negotiating signing algorithm
Support for faster packet signing (using GMAC instead of CMAC) can
now be negotiated to some newer servers, including Windows.
See MS-SMB2 section 2.2.3.17.
This patch adds support for sending the new negotiate context with two
supported signing algorithms(AES-CMAC, HMAC-SHA256).
If client add support for AES_GMAC, Server will be supported later
depend on it.
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/ksmbd/smb2ops.c')
| -rw-r--r-- | fs/ksmbd/smb2ops.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ksmbd/smb2ops.c b/fs/ksmbd/smb2ops.c index 8262908e467c..197473871aa4 100644 --- a/fs/ksmbd/smb2ops.c +++ b/fs/ksmbd/smb2ops.c @@ -204,6 +204,7 @@ void init_smb2_1_server(struct ksmbd_conn *conn) conn->cmds = smb2_0_server_cmds; conn->max_cmds = ARRAY_SIZE(smb2_0_server_cmds); conn->max_credits = SMB2_MAX_CREDITS; + conn->signing_algorithm = SIGNING_ALG_HMAC_SHA256; if (server_conf.flags & KSMBD_GLOBAL_FLAG_SMB2_LEASES) conn->vals->capabilities |= SMB2_GLOBAL_CAP_LEASING; @@ -221,6 +222,7 @@ void init_smb3_0_server(struct ksmbd_conn *conn) conn->cmds = smb2_0_server_cmds; conn->max_cmds = ARRAY_SIZE(smb2_0_server_cmds); conn->max_credits = SMB2_MAX_CREDITS; + conn->signing_algorithm = SIGNING_ALG_AES_CMAC; if (server_conf.flags & KSMBD_GLOBAL_FLAG_SMB2_LEASES) conn->vals->capabilities |= SMB2_GLOBAL_CAP_LEASING; @@ -245,6 +247,7 @@ void init_smb3_02_server(struct ksmbd_conn *conn) conn->cmds = smb2_0_server_cmds; conn->max_cmds = ARRAY_SIZE(smb2_0_server_cmds); conn->max_credits = SMB2_MAX_CREDITS; + conn->signing_algorithm = SIGNING_ALG_AES_CMAC; if (server_conf.flags & KSMBD_GLOBAL_FLAG_SMB2_LEASES) conn->vals->capabilities |= SMB2_GLOBAL_CAP_LEASING; @@ -269,6 +272,7 @@ int init_smb3_11_server(struct ksmbd_conn *conn) conn->cmds = smb2_0_server_cmds; conn->max_cmds = ARRAY_SIZE(smb2_0_server_cmds); conn->max_credits = SMB2_MAX_CREDITS; + conn->signing_algorithm = SIGNING_ALG_AES_CMAC; if (server_conf.flags & KSMBD_GLOBAL_FLAG_SMB2_LEASES) conn->vals->capabilities |= SMB2_GLOBAL_CAP_LEASING; |