/usr/include/xrdp_sockets.h is in xrdp 0.9.5-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | /**
 * xrdp: A Remote Desktop Protocol server.
 *
 * Copyright (C) Jay Sorg 2004-2014
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * names of UNIX sockets for inter-process communication
 */
#if !defined(XRDP_SOCKETS_H)
#define XRDP_SOCKETS_H
/* basename of socket files */
#define XRDP_CHANSRV_BASE_STR      "xrdp_chansrv_socket_%d"
#define CHANSRV_PORT_OUT_BASE_STR  "xrdp_chansrv_audio_out_socket_%d"
#define CHANSRV_PORT_IN_BASE_STR   "xrdp_chansrv_audio_in_socket_%d"
#define CHANSRV_API_BASE_STR       "xrdpapi_%d"
#define XRDP_X11RDP_BASE_STR       "xrdp_display_%d"
#define XRDP_DISCONNECT_BASE_STR   "xrdp_disconnect_display_%d"
/* fullpath of sockets */
#define XRDP_CHANSRV_STR      XRDP_SOCKET_PATH "/" XRDP_CHANSRV_BASE_STR
#define CHANSRV_PORT_OUT_STR  XRDP_SOCKET_PATH "/" CHANSRV_PORT_OUT_BASE_STR
#define CHANSRV_PORT_IN_STR   XRDP_SOCKET_PATH "/" CHANSRV_PORT_IN_BASE_STR
#define CHANSRV_API_STR       XRDP_SOCKET_PATH "/" CHANSRV_API_BASE_STR
#define XRDP_X11RDP_STR       XRDP_SOCKET_PATH "/" XRDP_X11RDP_BASE_STR
#define XRDP_DISCONNECT_STR   XRDP_SOCKET_PATH "/" XRDP_DISCONNECT_BASE_STR
#endif
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