s3:smbd: add support for SMB2 Ioctl FSCTL_PIPE_TRANSCEIVE on IPC$

metze

diff --git a/source3/smbd/smb2_ioctl.c b/source3/smbd/smb2_ioctl.c
index 3ebce3eba8f36aac4965b05ce85f31903b60d795..e7a3d358bbaf0ddf214987f2414f689892807941 100644 (file)
--- a/source3/smbd/smb2_ioctl.c
+++ b/source3/smbd/smb2_ioctl.c
@@ -183,6 +183,9 @@ struct smbd_smb2_ioctl_state {
        DATA_BLOB out_output;
 };
 
+static void smbd_smb2_ioctl_pipe_write_done(struct tevent_req *subreq);
+static void smbd_smb2_ioctl_pipe_read_done(struct tevent_req *subreq);
+
 static struct tevent_req *smbd_smb2_ioctl_send(TALLOC_CTX *mem_ctx,
                                               struct tevent_context *ev,
                                               struct smbd_smb2_request *smb2req,
@@ -237,6 +240,35 @@ static struct tevent_req *smbd_smb2_ioctl_send(TALLOC_CTX *mem_ctx,
        }
 
        switch (in_ctl_code) {
+       case 0x0011C017: /* FSCTL_PIPE_TRANSCEIVE */
+
+               if (!IS_IPC(smbreq->conn)) {
+                       tevent_req_nterror(req, NT_STATUS_INVALID_DEVICE_REQUEST);
+                       return tevent_req_post(req, ev);
+               }
+
+               if (fsp == NULL) {
+                       tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
+                       return tevent_req_post(req, ev);
+               }
+
+               if (!fsp_is_np(fsp)) {
+                       tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
+                       return tevent_req_post(req, ev);
+               }
+
+               subreq = np_write_send(state, ev,
+                                      fsp->fake_file_handle,
+                                      in_input.data,
+                                      in_input.length);
+               if (tevent_req_nomem(subreq, req)) {
+                       return tevent_req_post(req, ev);
+               }
+               tevent_req_set_callback(subreq,
+                                       smbd_smb2_ioctl_pipe_write_done,
+                                       req);
+               return req;
+
        default:
                if (IS_IPC(smbreq->conn)) {
                        tevent_req_nterror(req, NT_STATUS_FS_DRIVER_REQUIRED);
@@ -250,6 +282,66 @@ static struct tevent_req *smbd_smb2_ioctl_send(TALLOC_CTX *mem_ctx,
        return tevent_req_post(req, ev);
 }
 
+static void smbd_smb2_ioctl_pipe_write_done(struct tevent_req *subreq)
+{
+       struct tevent_req *req = tevent_req_callback_data(subreq,
+                                struct tevent_req);
+       struct smbd_smb2_ioctl_state *state = tevent_req_data(req,
+                                             struct smbd_smb2_ioctl_state);
+       NTSTATUS status;
+       ssize_t nwritten = -1;
+
+       status = np_write_recv(subreq, &nwritten);
+       TALLOC_FREE(subreq);
+       if (!NT_STATUS_IS_OK(status)) {
+               tevent_req_nterror(req, status);
+               return;
+       }
+
+       if (nwritten != state->in_input.length) {
+               tevent_req_nterror(req, NT_STATUS_PIPE_NOT_AVAILABLE);
+               return;
+       }
+
+       state->out_output = data_blob_talloc(state, NULL, state->in_max_output);
+       if (state->in_max_output > 0 &&
+           tevent_req_nomem(state->out_output.data, req)) {
+               return;
+       }
+
+       subreq = np_read_send(state->smbreq->conn,
+                             state->smb2req->conn->smb2.event_ctx,
+                             state->fsp->fake_file_handle,
+                             state->out_output.data,
+                             state->out_output.length);
+       if (tevent_req_nomem(subreq, req)) {
+               return;
+       }
+       tevent_req_set_callback(subreq, smbd_smb2_ioctl_pipe_read_done, req);
+}
+
+static void smbd_smb2_ioctl_pipe_read_done(struct tevent_req *subreq)
+{
+       struct tevent_req *req = tevent_req_callback_data(subreq,
+                                struct tevent_req);
+       struct smbd_smb2_ioctl_state *state = tevent_req_data(req,
+                                             struct smbd_smb2_ioctl_state);
+       NTSTATUS status;
+       ssize_t nread;
+       bool is_data_outstanding;
+
+       status = np_read_recv(subreq, &nread, &is_data_outstanding);
+       TALLOC_FREE(subreq);
+       if (!NT_STATUS_IS_OK(status)) {
+               tevent_req_nterror(req, status);
+               return;
+       }
+
+       state->out_output.length = nread;
+
+       tevent_req_done(req);
+}
+
 static NTSTATUS smbd_smb2_ioctl_recv(struct tevent_req *req,
                                     TALLOC_CTX *mem_ctx,
                                     DATA_BLOB *out_output)