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curl/lib/http_proxy.h
Daniel Stenberg 51c0ebcff2
http: deal with partial CONNECT sends
Also added 'CURL_SMALLSENDS' to make Curl_write() send short packets,
which helped verifying this even more.

Add test 363 to verify.

Reported-by: ustcqidi on github
Fixes #6950
Closes #7024
2021-05-08 10:49:16 +02:00

77 lines
2.6 KiB
C

#ifndef HEADER_CURL_HTTP_PROXY_H
#define HEADER_CURL_HTTP_PROXY_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "curl_setup.h"
#include "urldata.h"
#if !defined(CURL_DISABLE_PROXY) && !defined(CURL_DISABLE_HTTP)
/* ftp can use this as well */
CURLcode Curl_proxyCONNECT(struct Curl_easy *data,
int tunnelsocket,
const char *hostname, int remote_port);
/* Default proxy timeout in milliseconds */
#define PROXY_TIMEOUT (3600*1000)
CURLcode Curl_proxy_connect(struct Curl_easy *data, int sockindex);
bool Curl_connect_complete(struct connectdata *conn);
bool Curl_connect_ongoing(struct connectdata *conn);
int Curl_connect_getsock(struct connectdata *conn);
#else
#define Curl_proxyCONNECT(x,y,z,w) CURLE_NOT_BUILT_IN
#define Curl_proxy_connect(x,y) CURLE_OK
#define Curl_connect_complete(x) CURLE_OK
#define Curl_connect_ongoing(x) FALSE
#define Curl_connect_getsock(x) 0
#endif
void Curl_connect_free(struct Curl_easy *data);
void Curl_connect_done(struct Curl_easy *data);
/* struct for HTTP CONNECT state data */
struct http_connect_state {
struct HTTP http_proxy;
struct HTTP *prot_save;
struct dynbuf rcvbuf;
struct dynbuf req;
size_t nsend;
enum keeponval {
KEEPON_DONE,
KEEPON_CONNECT,
KEEPON_IGNORE
} keepon;
curl_off_t cl; /* size of content to read and ignore */
enum {
TUNNEL_INIT, /* init/default/no tunnel state */
TUNNEL_CONNECT, /* CONNECT has been sent off */
TUNNEL_COMPLETE /* CONNECT response received completely */
} tunnel_state;
BIT(chunked_encoding);
BIT(close_connection);
};
#endif /* HEADER_CURL_HTTP_PROXY_H */