1 #ifndef HEADER_CURL_SSLUSE_H 2 #define HEADER_CURL_SSLUSE_H 3 /*************************************************************************** 4 * _ _ ____ _ 5 * Project ___| | | | _ \| | 6 * / __| | | | |_) | | 7 * | (__| |_| | _ <| |___ 8 * \___|\___/|_| \_\_____| 9 * 10 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 11 * 12 * This software is licensed as described in the file COPYING, which 13 * you should have received as part of this distribution. The terms 14 * are also available at https://curl.se/docs/copyright.html. 15 * 16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell 17 * copies of the Software, and permit persons to whom the Software is 18 * furnished to do so, under the terms of the COPYING file. 19 * 20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 21 * KIND, either express or implied. 22 * 23 * SPDX-License-Identifier: curl 24 * 25 ***************************************************************************/ 26 27 #include "curl_setup.h" 28 29 #ifdef USE_OPENSSL 30 /* 31 * This header should only be needed to get included by vtls.c, openssl.c 32 * and ngtcp2.c 33 */ 34 #include <openssl/ossl_typ.h> 35 #include <openssl/ssl.h> 36 37 #include "urldata.h" 38 39 struct ssl_peer; 40 41 /* Struct to hold a Curl OpenSSL instance */ 42 struct ossl_ctx { 43 /* these ones requires specific SSL-types */ 44 SSL_CTX* ssl_ctx; 45 SSL* ssl; 46 X509* server_cert; 47 BIO_METHOD *bio_method; 48 CURLcode io_result; /* result of last BIO cfilter operation */ 49 #ifndef HAVE_KEYLOG_CALLBACK 50 /* Set to true once a valid keylog entry has been created to avoid dupes. 51 This is a bool and not a bitfield because it is passed by address. */ 52 bool keylog_done; 53 #endif 54 BIT(x509_store_setup); /* x509 store has been set up */ 55 BIT(reused_session); /* session-ID was reused for this */ 56 }; 57 58 size_t Curl_ossl_version(char *buffer, size_t size); 59 60 typedef CURLcode Curl_ossl_ctx_setup_cb(struct Curl_cfilter *cf, 61 struct Curl_easy *data, 62 void *user_data); 63 64 typedef int Curl_ossl_new_session_cb(SSL *ssl, SSL_SESSION *ssl_sessionid); 65 66 CURLcode Curl_ossl_ctx_init(struct ossl_ctx *octx, 67 struct Curl_cfilter *cf, 68 struct Curl_easy *data, 69 struct ssl_peer *peer, 70 const unsigned char *alpn, size_t alpn_len, 71 Curl_ossl_ctx_setup_cb *cb_setup, 72 void *cb_user_data, 73 Curl_ossl_new_session_cb *cb_new_session, 74 void *ssl_user_data); 75 76 #if (OPENSSL_VERSION_NUMBER < 0x30000000L) 77 #define SSL_get1_peer_certificate SSL_get_peer_certificate 78 #endif 79 80 extern const struct Curl_ssl Curl_ssl_openssl; 81 82 /** 83 * Setup the OpenSSL X509_STORE in `ssl_ctx` for the cfilter `cf` and 84 * easy handle `data`. Will allow reuse of a shared cache if suitable 85 * and configured. 86 */ 87 CURLcode Curl_ssl_setup_x509_store(struct Curl_cfilter *cf, 88 struct Curl_easy *data, 89 SSL_CTX *ssl_ctx); 90 91 CURLcode Curl_ossl_ctx_configure(struct Curl_cfilter *cf, 92 struct Curl_easy *data, 93 SSL_CTX *ssl_ctx); 94 95 /* 96 * Add a new session to the cache. Takes ownership of the session. 97 */ 98 CURLcode Curl_ossl_add_session(struct Curl_cfilter *cf, 99 struct Curl_easy *data, 100 const char *ssl_peer_key, 101 SSL_SESSION *ssl_sessionid, 102 int ietf_tls_id, 103 const char *alpn); 104 105 /* 106 * Get the server cert, verify it and show it, etc., only call failf() if 107 * ssl config verifypeer or -host is set. Otherwise all this is for 108 * informational purposes only! 109 */ 110 CURLcode Curl_oss_check_peer_cert(struct Curl_cfilter *cf, 111 struct Curl_easy *data, 112 struct ossl_ctx *octx, 113 struct ssl_peer *peer); 114 115 #endif /* USE_OPENSSL */ 116 #endif /* HEADER_CURL_SSLUSE_H */ 117