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 - 2021, Daniel Stenberg, <daniel@haxx.se>, 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 ***************************************************************************/
24
25#include "curl_setup.h"
26#include "urldata.h"
27
28#if !defined(CURL_DISABLE_PROXY) && !defined(CURL_DISABLE_HTTP)
29/* ftp can use this as well */
30CURLcode Curl_proxyCONNECT(struct Curl_easy *data,
31 int tunnelsocket,
32 const char *hostname, int remote_port);
33
34/* Default proxy timeout in milliseconds */
35#define PROXY_TIMEOUT (3600*1000)
36
37CURLcode Curl_proxy_connect(struct Curl_easy *data, int sockindex);
38
39bool Curl_connect_complete(struct connectdata *conn);
40bool Curl_connect_ongoing(struct connectdata *conn);
41int Curl_connect_getsock(struct connectdata *conn);
42
43#else
44#define Curl_proxyCONNECT(x,y,z,w) CURLE_NOT_BUILT_IN
45#define Curl_proxy_connect(x,y) CURLE_OK
46#define Curl_connect_complete(x) CURLE_OK
47#define Curl_connect_ongoing(x) FALSE
48#define Curl_connect_getsock(x) 0
49#endif
50
51void Curl_connect_free(struct Curl_easy *data);
52void Curl_connect_done(struct Curl_easy *data);
53
54/* struct for HTTP CONNECT state data */
55struct http_connect_state {
56 struct HTTP http_proxy;
57 struct HTTP *prot_save;
58 struct dynbuf rcvbuf;
59 struct dynbuf req;
60 size_t nsend;
61 enum keeponval {
62 KEEPON_DONE,
63 KEEPON_CONNECT,
64 KEEPON_IGNORE
65 } keepon;
66 curl_off_t cl; /* size of content to read and ignore */
67 enum {
68 TUNNEL_INIT, /* init/default/no tunnel state */
69 TUNNEL_CONNECT, /* CONNECT has been sent off */
70 TUNNEL_COMPLETE, /* CONNECT response received completely */
71 TUNNEL_EXIT
72 } tunnel_state;
73 BIT(chunked_encoding);
74 BIT(close_connection);
75};
76
77#endif /* HEADER_CURL_HTTP_PROXY_H */
78