diff options
| -rw-r--r-- | source3/smbd/smb2_write.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/source3/smbd/smb2_write.c b/source3/smbd/smb2_write.c index a6ad42bc06..b47f8a02a1 100644 --- a/source3/smbd/smb2_write.c +++ b/source3/smbd/smb2_write.c @@ -39,11 +39,10 @@ static NTSTATUS smbd_smb2_write_recv(struct tevent_req *req, static void smbd_smb2_request_write_done(struct tevent_req *subreq); NTSTATUS smbd_smb2_request_process_write(struct smbd_smb2_request *req) { + NTSTATUS status; const uint8_t *inhdr; const uint8_t *inbody; int i = req->current_idx; - size_t expected_body_size = 0x31; - size_t body_size; uint32_t in_smbpid; uint16_t in_data_offset; uint32_t in_data_length; @@ -54,18 +53,13 @@ NTSTATUS smbd_smb2_request_process_write(struct smbd_smb2_request *req) uint32_t in_flags; struct tevent_req *subreq; - inhdr = (const uint8_t *)req->in.vector[i+0].iov_base; - if (req->in.vector[i+1].iov_len != (expected_body_size & 0xFFFFFFFE)) { - return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER); + status = smbd_smb2_request_verify_sizes(req, 0x31); + if (!NT_STATUS_IS_OK(status)) { + return smbd_smb2_request_error(req, status); } - + inhdr = (const uint8_t *)req->in.vector[i+0].iov_base; inbody = (const uint8_t *)req->in.vector[i+1].iov_base; - body_size = SVAL(inbody, 0x00); - if (body_size != expected_body_size) { - return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER); - } - in_smbpid = IVAL(inhdr, SMB2_HDR_PID); in_data_offset = SVAL(inbody, 0x02); @@ -75,7 +69,7 @@ NTSTATUS smbd_smb2_request_process_write(struct smbd_smb2_request *req) in_file_id_volatile = BVAL(inbody, 0x18); in_flags = IVAL(inbody, 0x2C); - if (in_data_offset != (SMB2_HDR_BODY + (body_size & 0xFFFFFFFE))) { + if (in_data_offset != (SMB2_HDR_BODY + req->in.vector[i+1].iov_len)) { return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER); } |