1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
9 *
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at https://curl.se/docs/copyright.html.
13 *
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 * SPDX-License-Identifier: curl
22 *
23 ***************************************************************************/
24 #include "tool_setup.h"
25
26 #ifdef HAVE_NETINET_IN_H
27 #include <netinet/in.h> /* IPPROTO_TCP */
28 #endif
29
30 #include "tool_cb_soc.h"
31
32 /*
33 ** callback for CURLOPT_OPENSOCKETFUNCTION
34 **
35 ** Notice that only Linux is supported for the moment.
36 */
37
tool_socket_open_mptcp_cb(void * clientp,curlsocktype purpose,struct curl_sockaddr * addr)38 curl_socket_t tool_socket_open_mptcp_cb(void *clientp,
39 curlsocktype purpose,
40 struct curl_sockaddr *addr)
41 {
42 int protocol = addr->protocol;
43
44 (void)clientp;
45 (void)purpose;
46
47 if(protocol == IPPROTO_TCP)
48 #if defined(__linux__)
49 # ifndef IPPROTO_MPTCP
50 # define IPPROTO_MPTCP 262
51 # endif
52 protocol = IPPROTO_MPTCP;
53 #else
54 return CURL_SOCKET_BAD;
55 #endif
56
57 return socket(addr->family, addr->socktype, protocol);
58 }
59
