302 lines
11 KiB
C
302 lines
11 KiB
C
|
#ifndef HEADER_CURL_HTTP_H
|
||
|
|
#define HEADER_CURL_HTTP_H
|
||
|
|
/***************************************************************************
|
||
|
|
* _ _ ____ _
|
||
|
|
* Project ___| | | | _ \| |
|
||
|
|
* / __| | | | |_) | |
|
||
|
|
* | (__| |_| | _ <| |___
|
||
|
|
* \___|\___/|_| \_\_____|
|
||
|
|
*
|
||
|
|
* Copyright (C) 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.
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: curl
|
||
|
|
*
|
||
|
|
***************************************************************************/
|
||
|
|
#include "curl_setup.h"
|
||
|
|
|
||
|
|
#if defined(USE_MSH3) && !defined(_WIN32)
|
||
|
|
#include <pthread.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include "bufq.h"
|
||
|
|
#include "dynhds.h"
|
||
|
|
#include "ws.h"
|
||
|
|
|
||
|
|
typedef enum {
|
||
|
|
HTTPREQ_GET,
|
||
|
|
HTTPREQ_POST,
|
||
|
|
HTTPREQ_POST_FORM, /* we make a difference internally */
|
||
|
|
HTTPREQ_POST_MIME, /* we make a difference internally */
|
||
|
|
HTTPREQ_PUT,
|
||
|
|
HTTPREQ_HEAD
|
||
|
|
} Curl_HttpReq;
|
||
|
|
|
||
|
|
#ifndef CURL_DISABLE_HTTP
|
||
|
|
|
||
|
|
#if defined(USE_HTTP3)
|
||
|
|
#include <stdint.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
extern const struct Curl_handler Curl_handler_http;
|
||
|
|
|
||
|
|
#ifdef USE_SSL
|
||
|
|
extern const struct Curl_handler Curl_handler_https;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
struct dynhds;
|
||
|
|
|
||
|
|
CURLcode Curl_bump_headersize(struct Curl_easy *data,
|
||
|
|
size_t delta,
|
||
|
|
bool connect_only);
|
||
|
|
|
||
|
|
/* Header specific functions */
|
||
|
|
bool Curl_compareheader(const char *headerline, /* line to check */
|
||
|
|
const char *header, /* header keyword _with_ colon */
|
||
|
|
const size_t hlen, /* len of the keyword in bytes */
|
||
|
|
const char *content, /* content string to find */
|
||
|
|
const size_t clen); /* len of the content in bytes */
|
||
|
|
|
||
|
|
char *Curl_copy_header_value(const char *header);
|
||
|
|
|
||
|
|
char *Curl_checkProxyheaders(struct Curl_easy *data,
|
||
|
|
const struct connectdata *conn,
|
||
|
|
const char *thisheader,
|
||
|
|
const size_t thislen);
|
||
|
|
struct HTTP; /* see below */
|
||
|
|
|
||
|
|
CURLcode Curl_add_timecondition(struct Curl_easy *data,
|
||
|
|
#ifndef USE_HYPER
|
||
|
|
struct dynbuf *req
|
||
|
|
#else
|
||
|
|
void *headers
|
||
|
|
#endif
|
||
|
|
);
|
||
|
|
CURLcode Curl_add_custom_headers(struct Curl_easy *data,
|
||
|
|
bool is_connect,
|
||
|
|
#ifndef USE_HYPER
|
||
|
|
struct dynbuf *req
|
||
|
|
#else
|
||
|
|
void *headers
|
||
|
|
#endif
|
||
|
|
);
|
||
|
|
CURLcode Curl_dynhds_add_custom(struct Curl_easy *data,
|
||
|
|
bool is_connect,
|
||
|
|
struct dynhds *hds);
|
||
|
|
|
||
|
|
void Curl_http_method(struct Curl_easy *data, struct connectdata *conn,
|
||
|
|
const char **method, Curl_HttpReq *);
|
||
|
|
CURLcode Curl_http_useragent(struct Curl_easy *data);
|
||
|
|
CURLcode Curl_http_host(struct Curl_easy *data, struct connectdata *conn);
|
||
|
|
CURLcode Curl_http_target(struct Curl_easy *data, struct connectdata *conn,
|
||
|
|
struct dynbuf *req);
|
||
|
|
CURLcode Curl_http_statusline(struct Curl_easy *data,
|
||
|
|
struct connectdata *conn);
|
||
|
|
CURLcode Curl_http_header(struct Curl_easy *data,
|
||
|
|
const char *hd, size_t hdlen);
|
||
|
|
CURLcode Curl_transferencode(struct Curl_easy *data);
|
||
|
|
CURLcode Curl_http_req_set_reader(struct Curl_easy *data,
|
||
|
|
Curl_HttpReq httpreq,
|
||
|
|
const char **tep);
|
||
|
|
CURLcode Curl_http_req_complete(struct Curl_easy *data,
|
||
|
|
struct dynbuf *r, Curl_HttpReq httpreq);
|
||
|
|
bool Curl_use_http_1_1plus(const struct Curl_easy *data,
|
||
|
|
const struct connectdata *conn);
|
||
|
|
#ifndef CURL_DISABLE_COOKIES
|
||
|
|
CURLcode Curl_http_cookies(struct Curl_easy *data,
|
||
|
|
struct connectdata *conn,
|
||
|
|
struct dynbuf *r);
|
||
|
|
#else
|
||
|
|
#define Curl_http_cookies(a,b,c) CURLE_OK
|
||
|
|
#endif
|
||
|
|
CURLcode Curl_http_range(struct Curl_easy *data,
|
||
|
|
Curl_HttpReq httpreq);
|
||
|
|
CURLcode Curl_http_firstwrite(struct Curl_easy *data);
|
||
|
|
|
||
|
|
/* protocol-specific functions set up to be called by the main engine */
|
||
|
|
CURLcode Curl_http_setup_conn(struct Curl_easy *data,
|
||
|
|
struct connectdata *conn);
|
||
|
|
CURLcode Curl_http(struct Curl_easy *data, bool *done);
|
||
|
|
CURLcode Curl_http_done(struct Curl_easy *data, CURLcode, bool premature);
|
||
|
|
CURLcode Curl_http_connect(struct Curl_easy *data, bool *done);
|
||
|
|
int Curl_http_getsock_do(struct Curl_easy *data, struct connectdata *conn,
|
||
|
|
curl_socket_t *socks);
|
||
|
|
CURLcode Curl_http_write_resp(struct Curl_easy *data,
|
||
|
|
const char *buf, size_t blen,
|
||
|
|
bool is_eos);
|
||
|
|
CURLcode Curl_http_write_resp_hd(struct Curl_easy *data,
|
||
|
|
const char *hd, size_t hdlen,
|
||
|
|
bool is_eos);
|
||
|
|
|
||
|
|
/* These functions are in http.c */
|
||
|
|
CURLcode Curl_http_input_auth(struct Curl_easy *data, bool proxy,
|
||
|
|
const char *auth);
|
||
|
|
CURLcode Curl_http_auth_act(struct Curl_easy *data);
|
||
|
|
|
||
|
|
/* If only the PICKNONE bit is set, there has been a round-trip and we
|
||
|
|
selected to use no auth at all. Ie, we actively select no auth, as opposed
|
||
|
|
to not having one selected. The other CURLAUTH_* defines are present in the
|
||
|
|
public curl/curl.h header. */
|
||
|
|
#define CURLAUTH_PICKNONE (1<<30) /* don't use auth */
|
||
|
|
|
||
|
|
/* MAX_INITIAL_POST_SIZE indicates the number of bytes that will make the POST
|
||
|
|
data get included in the initial data chunk sent to the server. If the
|
||
|
|
data is larger than this, it will automatically get split up in multiple
|
||
|
|
system calls.
|
||
|
|
|
||
|
|
This value used to be fairly big (100K), but we must take into account that
|
||
|
|
if the server rejects the POST due for authentication reasons, this data
|
||
|
|
will always be unconditionally sent and thus it may not be larger than can
|
||
|
|
always be afforded to send twice.
|
||
|
|
|
||
|
|
It must not be greater than 64K to work on VMS.
|
||
|
|
*/
|
||
|
|
#ifndef MAX_INITIAL_POST_SIZE
|
||
|
|
#define MAX_INITIAL_POST_SIZE (64*1024)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* EXPECT_100_THRESHOLD is the request body size limit for when libcurl will
|
||
|
|
* automatically add an "Expect: 100-continue" header in HTTP requests. When
|
||
|
|
* the size is unknown, it will always add it.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
#ifndef EXPECT_100_THRESHOLD
|
||
|
|
#define EXPECT_100_THRESHOLD (1024*1024)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* MAX_HTTP_RESP_HEADER_SIZE is the maximum size of all response headers
|
||
|
|
combined that libcurl allows for a single HTTP response, any HTTP
|
||
|
|
version. This count includes CONNECT response headers. */
|
||
|
|
#define MAX_HTTP_RESP_HEADER_SIZE (300*1024)
|
||
|
|
|
||
|
|
bool Curl_http_exp100_is_selected(struct Curl_easy *data);
|
||
|
|
void Curl_http_exp100_got100(struct Curl_easy *data);
|
||
|
|
|
||
|
|
#endif /* CURL_DISABLE_HTTP */
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* HTTP unique setup
|
||
|
|
***************************************************************************/
|
||
|
|
struct HTTP {
|
||
|
|
/* TODO: no longer used, we should remove it from SingleRequest */
|
||
|
|
char unused;
|
||
|
|
};
|
||
|
|
|
||
|
|
CURLcode Curl_http_size(struct Curl_easy *data);
|
||
|
|
|
||
|
|
CURLcode Curl_http_write_resp_hds(struct Curl_easy *data,
|
||
|
|
const char *buf, size_t blen,
|
||
|
|
size_t *pconsumed);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Curl_http_output_auth() setups the authentication headers for the
|
||
|
|
* host/proxy and the correct authentication
|
||
|
|
* method. data->state.authdone is set to TRUE when authentication is
|
||
|
|
* done.
|
||
|
|
*
|
||
|
|
* @param data all information about the current transfer
|
||
|
|
* @param conn all information about the current connection
|
||
|
|
* @param request pointer to the request keyword
|
||
|
|
* @param httpreq is the request type
|
||
|
|
* @param path pointer to the requested path
|
||
|
|
* @param proxytunnel boolean if this is the request setting up a "proxy
|
||
|
|
* tunnel"
|
||
|
|
*
|
||
|
|
* @returns CURLcode
|
||
|
|
*/
|
||
|
|
CURLcode
|
||
|
|
Curl_http_output_auth(struct Curl_easy *data,
|
||
|
|
struct connectdata *conn,
|
||
|
|
const char *request,
|
||
|
|
Curl_HttpReq httpreq,
|
||
|
|
const char *path,
|
||
|
|
bool proxytunnel); /* TRUE if this is the request setting
|
||
|
|
up the proxy tunnel */
|
||
|
|
|
||
|
|
/* Decode HTTP status code string. */
|
||
|
|
CURLcode Curl_http_decode_status(int *pstatus, const char *s, size_t len);
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* All about a core HTTP request, excluding body and trailers
|
||
|
|
*/
|
||
|
|
struct httpreq {
|
||
|
|
char method[24];
|
||
|
|
char *scheme;
|
||
|
|
char *authority;
|
||
|
|
char *path;
|
||
|
|
struct dynhds headers;
|
||
|
|
struct dynhds trailers;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create a HTTP request struct.
|
||
|
|
*/
|
||
|
|
CURLcode Curl_http_req_make(struct httpreq **preq,
|
||
|
|
const char *method, size_t m_len,
|
||
|
|
const char *scheme, size_t s_len,
|
||
|
|
const char *authority, size_t a_len,
|
||
|
|
const char *path, size_t p_len);
|
||
|
|
|
||
|
|
CURLcode Curl_http_req_make2(struct httpreq **preq,
|
||
|
|
const char *method, size_t m_len,
|
||
|
|
CURLU *url, const char *scheme_default);
|
||
|
|
|
||
|
|
void Curl_http_req_free(struct httpreq *req);
|
||
|
|
|
||
|
|
#define HTTP_PSEUDO_METHOD ":method"
|
||
|
|
#define HTTP_PSEUDO_SCHEME ":scheme"
|
||
|
|
#define HTTP_PSEUDO_AUTHORITY ":authority"
|
||
|
|
#define HTTP_PSEUDO_PATH ":path"
|
||
|
|
#define HTTP_PSEUDO_STATUS ":status"
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create the list of HTTP/2 headers which represent the request,
|
||
|
|
* using HTTP/2 pseudo headers preceding the `req->headers`.
|
||
|
|
*
|
||
|
|
* Applies the following transformations:
|
||
|
|
* - if `authority` is set, any "Host" header is removed.
|
||
|
|
* - if `authority` is unset and a "Host" header is present, use
|
||
|
|
* that as `authority` and remove "Host"
|
||
|
|
* - removes and Connection header fields as defined in rfc9113 ch. 8.2.2
|
||
|
|
* - lower-cases the header field names
|
||
|
|
*
|
||
|
|
* @param h2_headers will contain the HTTP/2 headers on success
|
||
|
|
* @param req the request to transform
|
||
|
|
* @param data the handle to lookup defaults like ' :scheme' from
|
||
|
|
*/
|
||
|
|
CURLcode Curl_http_req_to_h2(struct dynhds *h2_headers,
|
||
|
|
struct httpreq *req, struct Curl_easy *data);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* All about a core HTTP response, excluding body and trailers
|
||
|
|
*/
|
||
|
|
struct http_resp {
|
||
|
|
int status;
|
||
|
|
char *description;
|
||
|
|
struct dynhds headers;
|
||
|
|
struct dynhds trailers;
|
||
|
|
struct http_resp *prev;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create a HTTP response struct.
|
||
|
|
*/
|
||
|
|
CURLcode Curl_http_resp_make(struct http_resp **presp,
|
||
|
|
int status,
|
||
|
|
const char *description);
|
||
|
|
|
||
|
|
void Curl_http_resp_free(struct http_resp *resp);
|
||
|
|
|
||
|
|
#endif /* HEADER_CURL_HTTP_H */
|