1#ifndef HEADER_CURL_HTTP_PROXY_H
2#define HEADER_CURL_HTTP_PROXY_H
3/***************************************************************************
4 * _ _ ____ _
5 * Project ___| | | | _ \| |
6 * / __| | | | |_) | |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) 1998 - 2022, Daniel Stenberg, <[email protected]>, et al.
11 *
12 * This software is licensed as described in the file COPYING, which
13 * you should have received as part of this distribution. The terms
14 * are also available at https://curl.se/docs/copyright.html.
15 *
16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17 * copies of the Software, and permit persons to whom the Software is
18 * furnished to do so, under the terms of the COPYING file.
19 *
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
22 *
23 * SPDX-License-Identifier: curl
24 *
25 ***************************************************************************/
26
27#include "curl_setup.h"
28#include "urldata.h"
29
30#if !defined(CURL_DISABLE_PROXY) && !defined(CURL_DISABLE_HTTP)
31/* ftp can use this as well */
32CURLcode Curl_proxyCONNECT(struct Curl_easy *data,
33 int tunnelsocket,
34 const char *hostname, int remote_port);
35
36/* Default proxy timeout in milliseconds */
37#define PROXY_TIMEOUT (3600*1000)
38
39CURLcode Curl_proxy_connect(struct Curl_easy *data, int sockindex);
40
41bool Curl_connect_complete(struct connectdata *conn);
42bool Curl_connect_ongoing(struct connectdata *conn);
43int Curl_connect_getsock(struct connectdata *conn);
44void Curl_connect_done(struct Curl_easy *data);
45
46#else
47#define Curl_proxyCONNECT(x,y,z,w) CURLE_NOT_BUILT_IN
48#define Curl_proxy_connect(x,y) CURLE_OK
49#define Curl_connect_complete(x) CURLE_OK
50#define Curl_connect_ongoing(x) FALSE
51#define Curl_connect_getsock(x) 0
52#define Curl_connect_done(x)
53#endif
54
55void Curl_connect_free(struct Curl_easy *data);
56
57/* struct for HTTP CONNECT state data */
58struct http_connect_state {
59 struct HTTP http_proxy;
60 struct HTTP *prot_save;
61 struct dynbuf rcvbuf;
62 struct dynbuf req;
63 size_t nsend;
64 size_t headerlines;
65 enum keeponval {
66 KEEPON_DONE,
67 KEEPON_CONNECT,
68 KEEPON_IGNORE
69 } keepon;
70 curl_off_t cl; /* size of content to read and ignore */
71 enum {
72 TUNNEL_INIT, /* init/default/no tunnel state */
73 TUNNEL_CONNECT, /* CONNECT has been sent off */
74 TUNNEL_COMPLETE, /* CONNECT response received completely */
75 TUNNEL_EXIT
76 } tunnel_state;
77 BIT(chunked_encoding);
78 BIT(close_connection);
79};
80
81#endif /* HEADER_CURL_HTTP_PROXY_H */
82