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| author | Namjae Jeon <linkinjeon@kernel.org> | 2022-09-22 23:37:41 +0900 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2022-10-05 01:15:44 -0500 |
| commit | 5bedae90b369ca1a7660b9af39591ed19009b495 (patch) | |
| tree | d2fd97825fc4bfd647dbade9840e8dd30586a4fd | |
| parent | af705ef2b0ded0d8f54c238fdf3c17a1d47ad924 (diff) | |
| download | linux-5bedae90b369ca1a7660b9af39591ed19009b495.tar.gz linux-5bedae90b369ca1a7660b9af39591ed19009b495.tar.bz2 linux-5bedae90b369ca1a7660b9af39591ed19009b495.zip | |
ksmbd: set NTLMSSP_NEGOTIATE_SEAL flag to challenge blob
If NTLMSSP_NEGOTIATE_SEAL flags is set in negotiate blob from client,
Set NTLMSSP_NEGOTIATE_SEAL flag to challenge blob.
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
| -rw-r--r-- | fs/ksmbd/auth.c | 3 | ||||
| -rw-r--r-- | fs/ksmbd/smb2pdu.c | 2 | ||||
| -rw-r--r-- | fs/ksmbd/smb2pdu.h | 1 |
3 files changed, 5 insertions, 1 deletions
diff --git a/fs/ksmbd/auth.c b/fs/ksmbd/auth.c index 2330d7754cf6..2a39ffb8423b 100644 --- a/fs/ksmbd/auth.c +++ b/fs/ksmbd/auth.c @@ -424,6 +424,9 @@ ksmbd_build_ntlmssp_challenge_blob(struct challenge_message *chgblob, NTLMSSP_NEGOTIATE_56); } + if (cflags & NTLMSSP_NEGOTIATE_SEAL && smb3_encryption_negotiated(conn)) + flags |= NTLMSSP_NEGOTIATE_SEAL; + if (cflags & NTLMSSP_NEGOTIATE_ALWAYS_SIGN) flags |= NTLMSSP_NEGOTIATE_ALWAYS_SIGN; diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c index 649f9b72707a..f99698ce955b 100644 --- a/fs/ksmbd/smb2pdu.c +++ b/fs/ksmbd/smb2pdu.c @@ -925,7 +925,7 @@ static void decode_encrypt_ctxt(struct ksmbd_conn *conn, * * Return: true if connection should be encrypted, else false */ -static bool smb3_encryption_negotiated(struct ksmbd_conn *conn) +bool smb3_encryption_negotiated(struct ksmbd_conn *conn) { if (!conn->ops->generate_encryptionkey) return false; diff --git a/fs/ksmbd/smb2pdu.h b/fs/ksmbd/smb2pdu.h index 2eb6b819c89d..092fdd3f8750 100644 --- a/fs/ksmbd/smb2pdu.h +++ b/fs/ksmbd/smb2pdu.h @@ -494,6 +494,7 @@ int smb3_decrypt_req(struct ksmbd_work *work); int smb3_encrypt_resp(struct ksmbd_work *work); bool smb3_11_final_sess_setup_resp(struct ksmbd_work *work); int smb2_set_rsp_credits(struct ksmbd_work *work); +bool smb3_encryption_negotiated(struct ksmbd_conn *conn); /* smb2 misc functions */ int ksmbd_smb2_check_message(struct ksmbd_work *work); |