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 23 extern "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 # define OSSL_HTTP_DEFAULT_MAX_CRL_LEN (32 * 1024 * 1024) 39 40 /* Low-level HTTP API */ 41 OSSL_HTTP_REQ_CTX *OSSL_HTTP_REQ_CTX_new(BIO *wbio, BIO *rbio, int buf_size); 42 void OSSL_HTTP_REQ_CTX_free(OSSL_HTTP_REQ_CTX *rctx); 43 int OSSL_HTTP_REQ_CTX_set_request_line(OSSL_HTTP_REQ_CTX *rctx, int method_POST, 44 const char *server, const char *port, 45 const char *path); 46 int OSSL_HTTP_REQ_CTX_add1_header(OSSL_HTTP_REQ_CTX *rctx, 47 const char *name, const char *value); 48 int OSSL_HTTP_REQ_CTX_set_expected(OSSL_HTTP_REQ_CTX *rctx, 49 const char *content_type, int asn1, 50 int timeout, int keep_alive); 51 int OSSL_HTTP_REQ_CTX_set1_req(OSSL_HTTP_REQ_CTX *rctx, const char *content_type, 52 const ASN1_ITEM *it, const ASN1_VALUE *req); 53 int OSSL_HTTP_REQ_CTX_nbio(OSSL_HTTP_REQ_CTX *rctx); 54 int OSSL_HTTP_REQ_CTX_nbio_d2i(OSSL_HTTP_REQ_CTX *rctx, 55 ASN1_VALUE **pval, const ASN1_ITEM *it); 56 BIO *OSSL_HTTP_REQ_CTX_exchange(OSSL_HTTP_REQ_CTX *rctx); 57 BIO *OSSL_HTTP_REQ_CTX_get0_mem_bio(const OSSL_HTTP_REQ_CTX *rctx); 58 size_t OSSL_HTTP_REQ_CTX_get_resp_len(const OSSL_HTTP_REQ_CTX *rctx); 59 void OSSL_HTTP_REQ_CTX_set_max_response_length(OSSL_HTTP_REQ_CTX *rctx, 60 unsigned long len); 61 int OSSL_HTTP_is_alive(const OSSL_HTTP_REQ_CTX *rctx); 62 63 /* High-level HTTP API */ 64 typedef BIO *(*OSSL_HTTP_bio_cb_t)(BIO *bio, void *arg, int connect, int detail); 65 OSSL_HTTP_REQ_CTX *OSSL_HTTP_open(const char *server, const char *port, 66 const char *proxy, const char *no_proxy, 67 int use_ssl, BIO *bio, BIO *rbio, 68 OSSL_HTTP_bio_cb_t bio_update_fn, void *arg, 69 int buf_size, int overall_timeout); 70 int OSSL_HTTP_proxy_connect(BIO *bio, const char *server, const char *port, 71 const char *proxyuser, const char *proxypass, 72 int timeout, BIO *bio_err, const char *prog); 73 int OSSL_HTTP_set1_request(OSSL_HTTP_REQ_CTX *rctx, const char *path, 74 const STACK_OF(CONF_VALUE) *headers, 75 const char *content_type, BIO *req, 76 const char *expected_content_type, int expect_asn1, 77 size_t max_resp_len, int timeout, int keep_alive); 78 BIO *OSSL_HTTP_exchange(OSSL_HTTP_REQ_CTX *rctx, char **redirection_url); 79 BIO *OSSL_HTTP_get(const char *url, const char *proxy, const char *no_proxy, 80 BIO *bio, BIO *rbio, 81 OSSL_HTTP_bio_cb_t bio_update_fn, void *arg, 82 int buf_size, const STACK_OF(CONF_VALUE) *headers, 83 const char *expected_content_type, int expect_asn1, 84 size_t max_resp_len, int timeout); 85 BIO *OSSL_HTTP_transfer(OSSL_HTTP_REQ_CTX **prctx, 86 const char *server, const char *port, 87 const char *path, int use_ssl, 88 const char *proxy, const char *no_proxy, 89 BIO *bio, BIO *rbio, 90 OSSL_HTTP_bio_cb_t bio_update_fn, void *arg, 91 int buf_size, const STACK_OF(CONF_VALUE) *headers, 92 const char *content_type, BIO *req, 93 const char *expected_content_type, int expect_asn1, 94 size_t max_resp_len, int timeout, int keep_alive); 95 int OSSL_HTTP_close(OSSL_HTTP_REQ_CTX *rctx, int ok); 96 97 /* Auxiliary functions */ 98 int OSSL_parse_url(const char *url, char **pscheme, char **puser, char **phost, 99 char **pport, int *pport_num, 100 char **ppath, char **pquery, char **pfrag); 101 int OSSL_HTTP_parse_url(const char *url, int *pssl, char **puser, char **phost, 102 char **pport, int *pport_num, 103 char **ppath, char **pquery, char **pfrag); 104 const char *OSSL_HTTP_adapt_proxy(const char *proxy, const char *no_proxy, 105 const char *server, int use_ssl); 106 107 # ifdef __cplusplus 108 } 109 # endif 110 #endif /* !defined(OPENSSL_HTTP_H) */ 111