diff options
| -rw-r--r-- | source3/smbd/ipc.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/source3/smbd/ipc.c b/source3/smbd/ipc.c index 97b338a536..08494b4dca 100644 --- a/source3/smbd/ipc.c +++ b/source3/smbd/ipc.c @@ -227,12 +227,23 @@ static void api_dcerpc_cmd(connection_struct *conn, struct smb_request *req, { struct tevent_req *subreq; struct dcerpc_cmd_state *state; + bool busy; if (!fsp_is_np(fsp)) { api_no_reply(conn, req); return; } + /* + * Trans requests are only allowed + * if no other Trans or Read is active + */ + busy = np_read_in_progress(fsp->fake_file_handle); + if (busy) { + reply_nterror(req, NT_STATUS_PIPE_BUSY); + return; + } + state = talloc(req, struct dcerpc_cmd_state); if (state == NULL) { reply_nterror(req, NT_STATUS_NO_MEMORY); |