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/*
* Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.
* Copyright Siemens AG 2018-2020
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#ifndef OPENSSL_HTTP_H
# define OPENSSL_HTTP_H
# pragma once
# include <openssl/opensslconf.h>
# include <openssl/bio.h>
# include <openssl/asn1.h>
# include <openssl/conf.h>
# ifdef __cplusplus
extern "C" {
# endif
# define OSSL_HTTP_NAME "http"
# define OSSL_HTTPS_NAME "https"
# define OSSL_HTTP_PREFIX OSSL_HTTP_NAME"://"
# define OSSL_HTTPS_PREFIX OSSL_HTTPS_NAME"://"
# define OSSL_HTTP_PORT "80"
# define OSSL_HTTPS_PORT "443"
# define OPENSSL_NO_PROXY "NO_PROXY"
# define OPENSSL_HTTP_PROXY "HTTP_PROXY"
# define OPENSSL_HTTPS_PROXY "HTTPS_PROXY"
#define OSSL_HTTP_DEFAULT_MAX_LINE_LEN (4 * 1024)
#define OSSL_HTTP_DEFAULT_MAX_RESP_LEN (100 * 1024)
/* Low-level HTTP API */
OSSL_HTTP_REQ_CTX *OSSL_HTTP_REQ_CTX_new(BIO *wbio, BIO *rbio, int buf_size);
void OSSL_HTTP_REQ_CTX_free(OSSL_HTTP_REQ_CTX *rctx);
int OSSL_HTTP_REQ_CTX_set_request_line(OSSL_HTTP_REQ_CTX *rctx, int method_POST,
const char *server, const char *port,
const char *path);
int OSSL_HTTP_REQ_CTX_add1_header(OSSL_HTTP_REQ_CTX *rctx,
const char *name, const char *value);
int OSSL_HTTP_REQ_CTX_set_expected(OSSL_HTTP_REQ_CTX *rctx,
const char *content_type, int asn1,
int timeout, int keep_alive);
int OSSL_HTTP_REQ_CTX_set1_req(OSSL_HTTP_REQ_CTX *rctx, const char *content_type,
const ASN1_ITEM *it, const ASN1_VALUE *req);
int OSSL_HTTP_REQ_CTX_nbio(OSSL_HTTP_REQ_CTX *rctx);
int OSSL_HTTP_REQ_CTX_nbio_d2i(OSSL_HTTP_REQ_CTX *rctx,
ASN1_VALUE **pval, const ASN1_ITEM *it);
BIO *OSSL_HTTP_REQ_CTX_exchange(OSSL_HTTP_REQ_CTX *rctx);
BIO *OSSL_HTTP_REQ_CTX_get0_mem_bio(const OSSL_HTTP_REQ_CTX *rctx);
size_t OSSL_HTTP_REQ_CTX_get_resp_len(const OSSL_HTTP_REQ_CTX *rctx);
void OSSL_HTTP_REQ_CTX_set_max_response_length(OSSL_HTTP_REQ_CTX *rctx,
unsigned long len);
int OSSL_HTTP_is_alive(const OSSL_HTTP_REQ_CTX *rctx);
/* High-level HTTP API */
typedef BIO *(*OSSL_HTTP_bio_cb_t)(BIO *bio, void *arg, int connect, int detail);
OSSL_HTTP_REQ_CTX *OSSL_HTTP_open(const char *server, const char *port,
const char *proxy, const char *no_proxy,
int use_ssl, BIO *bio, BIO *rbio,
OSSL_HTTP_bio_cb_t bio_update_fn, void *arg,
int buf_size, int overall_timeout);
int OSSL_HTTP_proxy_connect(BIO *bio, const char *server, const char *port,
const char *proxyuser, const char *proxypass,
int timeout, BIO *bio_err, const char *prog);
int OSSL_HTTP_set1_request(OSSL_HTTP_REQ_CTX *rctx, const char *path,
const STACK_OF(CONF_VALUE) *headers,
const char *content_type, BIO *req,
const char *expected_content_type, int expect_asn1,
size_t max_resp_len, int timeout, int keep_alive);
BIO *OSSL_HTTP_exchange(OSSL_HTTP_REQ_CTX *rctx, char **redirection_url);
BIO *OSSL_HTTP_get(const char *url, const char *proxy, const char *no_proxy,
BIO *bio, BIO *rbio,
OSSL_HTTP_bio_cb_t bio_update_fn, void *arg,
int buf_size, const STACK_OF(CONF_VALUE) *headers,
const char *expected_content_type, int expect_asn1,
size_t max_resp_len, int timeout);
BIO *OSSL_HTTP_transfer(OSSL_HTTP_REQ_CTX **prctx,
const char *server, const char *port,
const char *path, int use_ssl,
const char *proxy, const char *no_proxy,
BIO *bio, BIO *rbio,
OSSL_HTTP_bio_cb_t bio_update_fn, void *arg,
int buf_size, const STACK_OF(CONF_VALUE) *headers,
const char *content_type, BIO *req,
const char *expected_content_type, int expect_asn1,
size_t max_resp_len, int timeout, int keep_alive);
int OSSL_HTTP_close(OSSL_HTTP_REQ_CTX *rctx, int ok);
/* Auxiliary functions */
int OSSL_parse_url(const char *url, char **pscheme, char **puser, char **phost,
char **pport, int *pport_num,
char **ppath, char **pquery, char **pfrag);
int OSSL_HTTP_parse_url(const char *url, int *pssl, char **puser, char **phost,
char **pport, int *pport_num,
char **ppath, char **pquery, char **pfrag);
const char *OSSL_HTTP_adapt_proxy(const char *proxy, const char *no_proxy,
const char *server, int use_ssl);
# ifdef __cplusplus
}
# endif
#endif /* !defined(OPENSSL_HTTP_H) */
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