1/*
2 * Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright Siemens AG 2018-2020
4 *
5 * Licensed under the Apache License 2.0 (the "License"). You may not use
6 * this file except in compliance with the License. You can obtain a copy
7 * in the file LICENSE in the source distribution or at
8 * https://www.openssl.org/source/license.html
9 */
10
11#ifndef OPENSSL_HTTP_H
12# define OPENSSL_HTTP_H
13# pragma once
14
15# include <openssl/opensslconf.h>
16
17# include <openssl/bio.h>
18# include <openssl/asn1.h>
19# include <openssl/conf.h>
20
21
22# ifdef __cplusplus
23extern "C" {
24# endif
25
26# define OSSL_HTTP_NAME "http"
27# define OSSL_HTTPS_NAME "https"
28# define OSSL_HTTP_PREFIX OSSL_HTTP_NAME"://"
29# define OSSL_HTTPS_PREFIX OSSL_HTTPS_NAME"://"
30# define OSSL_HTTP_PORT "80"
31# define OSSL_HTTPS_PORT "443"
32# define OPENSSL_NO_PROXY "NO_PROXY"
33# define OPENSSL_HTTP_PROXY "HTTP_PROXY"
34# define OPENSSL_HTTPS_PROXY "HTTPS_PROXY"
35
36#define OSSL_HTTP_DEFAULT_MAX_LINE_LEN (4 * 1024)
37#define OSSL_HTTP_DEFAULT_MAX_RESP_LEN (100 * 1024)
38
39/* Low-level HTTP API */
40OSSL_HTTP_REQ_CTX *OSSL_HTTP_REQ_CTX_new(BIO *wbio, BIO *rbio, int buf_size);
41void OSSL_HTTP_REQ_CTX_free(OSSL_HTTP_REQ_CTX *rctx);
42int OSSL_HTTP_REQ_CTX_set_request_line(OSSL_HTTP_REQ_CTX *rctx, int method_POST,
43 const char *server, const char *port,
44 const char *path);
45int OSSL_HTTP_REQ_CTX_add1_header(OSSL_HTTP_REQ_CTX *rctx,
46 const char *name, const char *value);
47int OSSL_HTTP_REQ_CTX_set_expected(OSSL_HTTP_REQ_CTX *rctx,
48 const char *content_type, int asn1,
49 int timeout, int keep_alive);
50int OSSL_HTTP_REQ_CTX_set1_req(OSSL_HTTP_REQ_CTX *rctx, const char *content_type,
51 const ASN1_ITEM *it, const ASN1_VALUE *req);
52int OSSL_HTTP_REQ_CTX_nbio(OSSL_HTTP_REQ_CTX *rctx);
53int OSSL_HTTP_REQ_CTX_nbio_d2i(OSSL_HTTP_REQ_CTX *rctx,
54 ASN1_VALUE **pval, const ASN1_ITEM *it);
55BIO *OSSL_HTTP_REQ_CTX_exchange(OSSL_HTTP_REQ_CTX *rctx);
56BIO *OSSL_HTTP_REQ_CTX_get0_mem_bio(const OSSL_HTTP_REQ_CTX *rctx);
57size_t OSSL_HTTP_REQ_CTX_get_resp_len(const OSSL_HTTP_REQ_CTX *rctx);
58void OSSL_HTTP_REQ_CTX_set_max_response_length(OSSL_HTTP_REQ_CTX *rctx,
59 unsigned long len);
60int OSSL_HTTP_is_alive(const OSSL_HTTP_REQ_CTX *rctx);
61
62/* High-level HTTP API */
63typedef BIO *(*OSSL_HTTP_bio_cb_t)(BIO *bio, void *arg, int connect, int detail);
64OSSL_HTTP_REQ_CTX *OSSL_HTTP_open(const char *server, const char *port,
65 const char *proxy, const char *no_proxy,
66 int use_ssl, BIO *bio, BIO *rbio,
67 OSSL_HTTP_bio_cb_t bio_update_fn, void *arg,
68 int buf_size, int overall_timeout);
69int OSSL_HTTP_proxy_connect(BIO *bio, const char *server, const char *port,
70 const char *proxyuser, const char *proxypass,
71 int timeout, BIO *bio_err, const char *prog);
72int OSSL_HTTP_set1_request(OSSL_HTTP_REQ_CTX *rctx, const char *path,
73 const STACK_OF(CONF_VALUE) *headers,
74 const char *content_type, BIO *req,
75 const char *expected_content_type, int expect_asn1,
76 size_t max_resp_len, int timeout, int keep_alive);
77BIO *OSSL_HTTP_exchange(OSSL_HTTP_REQ_CTX *rctx, char **redirection_url);
78BIO *OSSL_HTTP_get(const char *url, const char *proxy, const char *no_proxy,
79 BIO *bio, BIO *rbio,
80 OSSL_HTTP_bio_cb_t bio_update_fn, void *arg,
81 int buf_size, const STACK_OF(CONF_VALUE) *headers,
82 const char *expected_content_type, int expect_asn1,
83 size_t max_resp_len, int timeout);
84BIO *OSSL_HTTP_transfer(OSSL_HTTP_REQ_CTX **prctx,
85 const char *server, const char *port,
86 const char *path, int use_ssl,
87 const char *proxy, const char *no_proxy,
88 BIO *bio, BIO *rbio,
89 OSSL_HTTP_bio_cb_t bio_update_fn, void *arg,
90 int buf_size, const STACK_OF(CONF_VALUE) *headers,
91 const char *content_type, BIO *req,
92 const char *expected_content_type, int expect_asn1,
93 size_t max_resp_len, int timeout, int keep_alive);
94int OSSL_HTTP_close(OSSL_HTTP_REQ_CTX *rctx, int ok);
95
96/* Auxiliary functions */
97int OSSL_parse_url(const char *url, char **pscheme, char **puser, char **phost,
98 char **pport, int *pport_num,
99 char **ppath, char **pquery, char **pfrag);
100int OSSL_HTTP_parse_url(const char *url, int *pssl, char **puser, char **phost,
101 char **pport, int *pport_num,
102 char **ppath, char **pquery, char **pfrag);
103const char *OSSL_HTTP_adapt_proxy(const char *proxy, const char *no_proxy,
104 const char *server, int use_ssl);
105
106# ifdef __cplusplus
107}
108# endif
109#endif /* !defined(OPENSSL_HTTP_H) */
110