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73daec6620
Add `data->state.origin` as the origin the transfer is sending the current request to/gets the response from. Use it for request specific properties like authentication, hsts and cookie handling, etc. Unless talking to a forwarding HTTP proxy (e.g. not tunneling), `data->state.origin` and `conn->origin` are the same. With a forwarding HTTP proxy in play, `conn->origin` is set to `conn->http_proxy.peer` and `conn->bits.origin_is_proxy` (a new bit) is set. Remove the connection bits, now replaced with: * `conn->bits.socksproxy` -> `conn->socks_proy.peer` * `conn->bits.httpproxy` -> `conn->http_proy.peer` * `conn->bits.proxy` -> `(conn->socks_proy.peer || conn->http_proy.peer`) * `conn->bits.tunnel_proxy` -> (`conn->http_proy.peer && !conn->bits.origin_is_proxy`) * `(conn->bits.httpproxy && !conn->bits.tunnel_proxy)` -> `conn->bits.origin_is_proxy` Rename `noproxy.[ch]` to `proxy.[ch]`. Move the connection proxy setup code from `url.c` to `proxy.c`. Remove `data->info.conn_remote_port` as no one uses it. Add test_40_02b for a SOCKS connection to a forwarding HTTPS proxy. Update internal documentation about peers and creds. Closes #21967
82 lines
3 KiB
C
82 lines
3 KiB
C
#ifndef HEADER_CURL_HTTP_PROXY_H
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#define HEADER_CURL_HTTP_PROXY_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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#include "curl_setup.h"
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#if !defined(CURL_DISABLE_PROXY) && !defined(CURL_DISABLE_HTTP)
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#include "urldata.h"
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enum Curl_proxy_use {
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HEADER_SERVER, /* direct to server */
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HEADER_PROXY, /* regular request to proxy */
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HEADER_CONNECT, /* sending CONNECT to a proxy */
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HEADER_CONNECT_UDP /* sending CONNECT-UDP to a proxy */
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};
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/* HTTP version for proxy tunnel request creation */
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typedef enum {
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PROXY_HTTP_V1 = 1,
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PROXY_HTTP_V2 = 2,
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PROXY_HTTP_V3 = 3
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} proxy_http_ver;
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/* Result from inspecting a proxy tunnel response */
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typedef enum {
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PROXY_INSPECT_OK, /* Tunnel established */
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PROXY_INSPECT_FAILED, /* Tunnel failed */
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PROXY_INSPECT_AUTH_RETRY /* Retry with auth */
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} proxy_inspect_result;
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/* Create CONNECT or CONNECT-UDP request */
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CURLcode Curl_http_proxy_create_tunnel_request(
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struct httpreq **preq, struct Curl_cfilter *cf,
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struct Curl_easy *data, struct Curl_peer *dest,
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proxy_http_ver ver, bool udp_tunnel);
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/* Inspect tunnel response for H2/H3 proxy (capsule-protocol, auth) */
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struct http_resp;
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CURLcode Curl_http_proxy_inspect_tunnel_response(
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struct Curl_cfilter *cf, struct Curl_easy *data,
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struct http_resp *resp, bool udp_tunnel,
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proxy_inspect_result *presult);
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/* Default proxy timeout in milliseconds */
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#define PROXY_TIMEOUT (3600 * 1000)
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CURLcode Curl_cf_http_proxy_insert_after(struct Curl_cfilter *cf_at,
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struct Curl_easy *data,
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struct Curl_peer *peer,
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struct Curl_peer *tunnel_peer,
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uint8_t tunnel_transport,
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uint8_t proxytype);
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extern struct Curl_cftype Curl_cft_http_proxy;
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uint8_t Curl_http_proxy_transport(uint8_t proxytype);
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#endif /* !CURL_DISABLE_PROXY && !CURL_DISABLE_HTTP */
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#endif /* HEADER_CURL_HTTP_PROXY_H */
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