/* Copyright (c) 2013-2021 the Civetweb developers * Copyright (c) 2004-2013 Sergey Lyubka * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ typedef struct ssl_st SSL; typedef struct ssl_method_st SSL_METHOD; typedef struct ssl_ctx_st SSL_CTX; typedef struct x509_store_ctx_st X509_STORE_CTX; typedef struct x509_name X509_NAME; typedef struct asn1_integer ASN1_INTEGER; typedef struct bignum BIGNUM; typedef struct ossl_init_settings_st OPENSSL_INIT_SETTINGS; typedef struct evp_md EVP_MD; typedef struct x509 X509; #define SSL_CTRL_OPTIONS (32) #define SSL_CTRL_CLEAR_OPTIONS (77) #define SSL_CTRL_SET_ECDH_AUTO (94) #define OPENSSL_INIT_NO_LOAD_SSL_STRINGS 0x00100000L #define OPENSSL_INIT_LOAD_SSL_STRINGS 0x00200000L #define OPENSSL_INIT_LOAD_CRYPTO_STRINGS 0x00000002L #define SSL_VERIFY_NONE (0) #define SSL_VERIFY_PEER (1) #define SSL_VERIFY_FAIL_IF_NO_PEER_CERT (2) #define SSL_VERIFY_CLIENT_ONCE (4) #define SSL_OP_ALL (0x80000BFFul) #define SSL_OP_NO_SSLv2 (0x01000000ul) #define SSL_OP_NO_SSLv3 (0x02000000ul) #define SSL_OP_NO_TLSv1 (0x04000000ul) #define SSL_OP_NO_TLSv1_2 (0x08000000ul) #define SSL_OP_NO_TLSv1_1 (0x10000000ul) #define SSL_OP_NO_TLSv1_3 (0x20000000ul) #define SSL_OP_SINGLE_DH_USE (0x00100000ul) #define SSL_OP_CIPHER_SERVER_PREFERENCE (0x00400000ul) #define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION (0x00010000ul) #define SSL_OP_NO_COMPRESSION (0x00020000ul) #define SSL_OP_NO_RENEGOTIATION (0x40000000ul) #define SSL_CB_HANDSHAKE_START (0x10) #define SSL_CB_HANDSHAKE_DONE (0x20) #define SSL_ERROR_NONE (0) #define SSL_ERROR_SSL (1) #define SSL_ERROR_WANT_READ (2) #define SSL_ERROR_WANT_WRITE (3) #define SSL_ERROR_WANT_X509_LOOKUP (4) #define SSL_ERROR_SYSCALL (5) /* see errno */ #define SSL_ERROR_ZERO_RETURN (6) #define SSL_ERROR_WANT_CONNECT (7) #define SSL_ERROR_WANT_ACCEPT (8) #define TLSEXT_TYPE_server_name (0) #define TLSEXT_NAMETYPE_host_name (0) #define SSL_TLSEXT_ERR_OK (0) #define SSL_TLSEXT_ERR_ALERT_WARNING (1) #define SSL_TLSEXT_ERR_ALERT_FATAL (2) #define SSL_TLSEXT_ERR_NOACK (3) #define SSL_SESS_CACHE_BOTH (3) enum ssl_func_category { TLS_Mandatory, /* required for HTTPS */ TLS_ALPN, /* required for Application Layer Protocol Negotiation */ TLS_END_OF_LIST }; /* Check if all TLS functions/features are available */ static int tls_feature_missing[TLS_END_OF_LIST] = {0}; struct ssl_func { const char *name; /* SSL function name */ enum ssl_func_category required; /* Mandatory or optional */ void (*ptr)(void); /* Function pointer */ }; #if (defined(OPENSSL_API_1_1) || defined(OPENSSL_API_3_0)) \ && !defined(NO_SSL_DL) #define SSL_free (*(void (*)(SSL *))ssl_sw[0].ptr) #define SSL_accept (*(int (*)(SSL *))ssl_sw[1].ptr) #define SSL_connect (*(int (*)(SSL *))ssl_sw[2].ptr) #define SSL_read (*(int (*)(SSL *, void *, int))ssl_sw[3].ptr) #define SSL_write (*(int (*)(SSL *, const void *, int))ssl_sw[4].ptr) #define SSL_get_error (*(int (*)(SSL *, int))ssl_sw[5].ptr) #define SSL_set_fd (*(int (*)(SSL *, SOCKET))ssl_sw[6].ptr) #define SSL_new (*(SSL * (*)(SSL_CTX *)) ssl_sw[7].ptr) #define SSL_CTX_new (*(SSL_CTX * (*)(SSL_METHOD *)) ssl_sw[8].ptr) #define TLS_server_method (*(SSL_METHOD * (*)(void)) ssl_sw[9].ptr) #define OPENSSL_init_ssl \ (*(int (*)(uint64_t opts, \ const OPENSSL_INIT_SETTINGS *settings))ssl_sw[10] \ .ptr) #define SSL_CTX_use_PrivateKey_file \ (*(int (*)(SSL_CTX *, const char *, int))ssl_sw[11].ptr) #define SSL_CTX_use_certificate_file \ (*(int (*)(SSL_CTX *, const char *, int))ssl_sw[12].ptr) #define SSL_CTX_set_default_passwd_cb \ (*(void (*)(SSL_CTX *, mg_callback_t))ssl_sw[13].ptr) #define SSL_CTX_free (*(void (*)(SSL_CTX *))ssl_sw[14].ptr) #define SSL_CTX_use_certificate_chain_file \ (*(int (*)(SSL_CTX *, const char *))ssl_sw[15].ptr) #define TLS_client_method (*(SSL_METHOD * (*)(void)) ssl_sw[16].ptr) #define SSL_pending (*(int (*)(SSL *))ssl_sw[17].ptr) #define SSL_CTX_set_verify \ (*(void (*)(SSL_CTX *, \ int, \ int (*verify_callback)(int, X509_STORE_CTX *)))ssl_sw[18] \ .ptr) #define SSL_shutdown (*(int (*)(SSL *))ssl_sw[19].ptr) #define SSL_CTX_load_verify_locations \ (*(int (*)(SSL_CTX *, const char *, const char *))ssl_sw[20].ptr) #define SSL_CTX_set_default_verify_paths (*(int (*)(SSL_CTX *))ssl_sw[21].ptr) #define SSL_CTX_set_verify_depth (*(void (*)(SSL_CTX *, int))ssl_sw[22].ptr) #define SSL_get_peer_certificate (*(X509 * (*)(SSL *)) ssl_sw[23].ptr) #define SSL_get_version (*(const char *(*)(SSL *))ssl_sw[24].ptr) #define SSL_get_current_cipher (*(SSL_CIPHER * (*)(SSL *)) ssl_sw[25].ptr) #define SSL_CIPHER_get_name \ (*(const char *(*)(const SSL_CIPHER *))ssl_sw[26].ptr) #define SSL_CTX_check_private_key (*(int (*)(SSL_CTX *))ssl_sw[27].ptr) #define SSL_CTX_set_session_id_context \ (*(int (*)(SSL_CTX *, const unsigned char *, unsigned int))ssl_sw[28].ptr) #define SSL_CTX_ctrl (*(long (*)(SSL_CTX *, int, long, void *))ssl_sw[29].ptr) #define SSL_CTX_set_cipher_list \ (*(int (*)(SSL_CTX *, const char *))ssl_sw[30].ptr) #define SSL_CTX_set_options \ (*(unsigned long (*)(SSL_CTX *, unsigned long))ssl_sw[31].ptr) #define SSL_CTX_set_info_callback \ (*(void (*)(SSL_CTX * ctx, void (*callback)(const SSL *, int, int))) \ ssl_sw[32] \ .ptr) #define SSL_get_ex_data (*(char *(*)(const SSL *, int))ssl_sw[33].ptr) #define SSL_set_ex_data (*(void (*)(SSL *, int, char *))ssl_sw[34].ptr) #define SSL_CTX_callback_ctrl \ (*(long (*)(SSL_CTX *, int, void (*)(void)))ssl_sw[35].ptr) #define SSL_get_servername \ (*(const char *(*)(const SSL *, int type))ssl_sw[36].ptr) #define SSL_set_SSL_CTX (*(SSL_CTX * (*)(SSL *, SSL_CTX *)) ssl_sw[37].ptr) #define SSL_ctrl (*(long (*)(SSL *, int, long, void *))ssl_sw[38].ptr) #define SSL_CTX_set_alpn_protos \ (*(int (*)(SSL_CTX *, const unsigned char *, unsigned))ssl_sw[39].ptr) typedef int (*tSSL_alpn_select_cb)(SSL *ssl, const unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg); #define SSL_CTX_set_alpn_select_cb \ (*(void (*)(SSL_CTX *, tSSL_alpn_select_cb, void *))ssl_sw[40].ptr) typedef int (*tSSL_next_protos_advertised_cb)(SSL *ssl, const unsigned char **out, unsigned int *outlen, void *arg); #define SSL_CTX_set_next_protos_advertised_cb \ (*(void (*)(SSL_CTX *, tSSL_next_protos_advertised_cb, void *))ssl_sw[41] \ .ptr) #define SSL_CTX_set_timeout (*(long (*)(SSL_CTX *, long))ssl_sw[42].ptr) #define SSL_CTX_clear_options(ctx, op) \ SSL_CTX_ctrl((ctx), SSL_CTRL_CLEAR_OPTIONS, (op), NULL) #define SSL_CTX_set_ecdh_auto(ctx, onoff) \ SSL_CTX_ctrl(ctx, SSL_CTRL_SET_ECDH_AUTO, onoff, NULL) #define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB 53 #define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG 54 #define SSL_CTRL_SET_TLSEXT_HOSTNAME 55 #define SSL_CTX_set_tlsext_servername_callback(ctx, cb) \ SSL_CTX_callback_ctrl(ctx, \ SSL_CTRL_SET_TLSEXT_SERVERNAME_CB, \ (void (*)(void))cb) #define SSL_set_tlsext_host_name(ctx, arg) \ SSL_ctrl(ctx, SSL_CTRL_SET_TLSEXT_HOSTNAME, 0, (void *)arg) #define X509_get_notBefore(x) ((x)->cert_info->validity->notBefore) #define X509_get_notAfter(x) ((x)->cert_info->validity->notAfter) #define SSL_set_app_data(s, arg) (SSL_set_ex_data(s, 0, (char *)arg)) #define SSL_get_app_data(s) (SSL_get_ex_data(s, 0)) #define SSL_CTX_sess_set_cache_size(ctx, size) SSL_CTX_ctrl(ctx, 42, size, NULL) #define SSL_CTX_set_session_cache_mode(ctx, mode) \ SSL_CTX_ctrl(ctx, 44, mode, NULL) #define ERR_get_error (*(unsigned long (*)(void))crypto_sw[0].ptr) #define ERR_error_string (*(char *(*)(unsigned long, char *))crypto_sw[1].ptr) #define CONF_modules_unload (*(void (*)(int))crypto_sw[2].ptr) #define X509_free (*(void (*)(X509 *))crypto_sw[3].ptr) #define X509_get_subject_name (*(X509_NAME * (*)(X509 *)) crypto_sw[4].ptr) #define X509_get_issuer_name (*(X509_NAME * (*)(X509 *)) crypto_sw[5].ptr) #define X509_NAME_oneline \ (*(char *(*)(X509_NAME *, char *, int))crypto_sw[6].ptr) #define X509_get_serialNumber (*(ASN1_INTEGER * (*)(X509 *)) crypto_sw[7].ptr) #define EVP_get_digestbyname \ (*(const EVP_MD *(*)(const char *))crypto_sw[8].ptr) #define EVP_Digest \ (*(int (*)( \ const void *, size_t, void *, unsigned int *, const EVP_MD *, void *)) \ crypto_sw[9] \ .ptr) #define i2d_X509 (*(int (*)(X509 *, unsigned char **))crypto_sw[10].ptr) #define BN_bn2hex (*(char *(*)(const BIGNUM *a))crypto_sw[11].ptr) #define ASN1_INTEGER_to_BN \ (*(BIGNUM * (*)(const ASN1_INTEGER *ai, BIGNUM *bn)) crypto_sw[12].ptr) #define BN_free (*(void (*)(const BIGNUM *a))crypto_sw[13].ptr) #define CRYPTO_free (*(void (*)(void *addr))crypto_sw[14].ptr) #define ERR_clear_error (*(void (*)(void))crypto_sw[15].ptr) #define OPENSSL_free(a) CRYPTO_free(a) #define OPENSSL_REMOVE_THREAD_STATE() /* init_ssl_ctx() function updates this array. * It loads SSL library dynamically and changes NULLs to the actual addresses * of respective functions. The macros above (like SSL_connect()) are really * just calling these functions indirectly via the pointer. */ static struct ssl_func ssl_sw[] = { {"SSL_free", TLS_Mandatory, NULL}, {"SSL_accept", TLS_Mandatory, NULL}, {"SSL_connect", TLS_Mandatory, NULL}, {"SSL_read", TLS_Mandatory, NULL}, {"SSL_write", TLS_Mandatory, NULL}, {"SSL_get_error", TLS_Mandatory, NULL}, {"SSL_set_fd", TLS_Mandatory, NULL}, {"SSL_new", TLS_Mandatory, NULL}, {"SSL_CTX_new", TLS_Mandatory, NULL}, {"TLS_server_method", TLS_Mandatory, NULL}, {"OPENSSL_init_ssl", TLS_Mandatory, NULL}, {"SSL_CTX_use_PrivateKey_file", TLS_Mandatory, NULL}, {"SSL_CTX_use_certificate_file", TLS_Mandatory, NULL}, {"SSL_CTX_set_default_passwd_cb", TLS_Mandatory, NULL}, {"SSL_CTX_free", TLS_Mandatory, NULL}, {"SSL_CTX_use_certificate_chain_file", TLS_Mandatory, NULL}, {"TLS_client_method", TLS_Mandatory, NULL}, {"SSL_pending", TLS_Mandatory, NULL}, {"SSL_CTX_set_verify", TLS_Mandatory, NULL}, {"SSL_shutdown", TLS_Mandatory, NULL}, {"SSL_CTX_load_verify_locations", TLS_Mandatory, NULL}, {"SSL_CTX_set_default_verify_paths", TLS_Mandatory, NULL}, {"SSL_CTX_set_verify_depth", TLS_Mandatory, NULL}, #if defined(OPENSSL_API_3_0) {"SSL_get1_peer_certificate", TLS_Mandatory, NULL}, #else {"SSL_get_peer_certificate", TLS_Mandatory, NULL}, #endif {"SSL_get_version", TLS_Mandatory, NULL}, {"SSL_get_current_cipher", TLS_Mandatory, NULL}, {"SSL_CIPHER_get_name", TLS_Mandatory, NULL}, {"SSL_CTX_check_private_key", TLS_Mandatory, NULL}, {"SSL_CTX_set_session_id_context", TLS_Mandatory, NULL}, {"SSL_CTX_ctrl", TLS_Mandatory, NULL}, {"SSL_CTX_set_cipher_list", TLS_Mandatory, NULL}, {"SSL_CTX_set_options", TLS_Mandatory, NULL}, {"SSL_CTX_set_info_callback", TLS_Mandatory, NULL}, {"SSL_get_ex_data", TLS_Mandatory, NULL}, {"SSL_set_ex_data", TLS_Mandatory, NULL}, {"SSL_CTX_callback_ctrl", TLS_Mandatory, NULL}, {"SSL_get_servername", TLS_Mandatory, NULL}, {"SSL_set_SSL_CTX", TLS_Mandatory, NULL}, {"SSL_ctrl", TLS_Mandatory, NULL}, {"SSL_CTX_set_alpn_protos", TLS_ALPN, NULL}, {"SSL_CTX_set_alpn_select_cb", TLS_ALPN, NULL}, {"SSL_CTX_set_next_protos_advertised_cb", TLS_ALPN, NULL}, {"SSL_CTX_set_timeout", TLS_Mandatory, NULL}, {NULL, TLS_END_OF_LIST, NULL}}; /* Similar array as ssl_sw. These functions could be located in different * lib. */ static struct ssl_func crypto_sw[] = { {"ERR_get_error", TLS_Mandatory, NULL}, {"ERR_error_string", TLS_Mandatory, NULL}, {"CONF_modules_unload", TLS_Mandatory, NULL}, {"X509_free", TLS_Mandatory, NULL}, {"X509_get_subject_name", TLS_Mandatory, NULL}, {"X509_get_issuer_name", TLS_Mandatory, NULL}, {"X509_NAME_oneline", TLS_Mandatory, NULL}, {"X509_get_serialNumber", TLS_Mandatory, NULL}, {"EVP_get_digestbyname", TLS_Mandatory, NULL}, {"EVP_Digest", TLS_Mandatory, NULL}, {"i2d_X509", TLS_Mandatory, NULL}, {"BN_bn2hex", TLS_Mandatory, NULL}, {"ASN1_INTEGER_to_BN", TLS_Mandatory, NULL}, {"BN_free", TLS_Mandatory, NULL}, {"CRYPTO_free", TLS_Mandatory, NULL}, {"ERR_clear_error", TLS_Mandatory, NULL}, {NULL, TLS_END_OF_LIST, NULL}}; #endif #if defined(OPENSSL_API_1_0) #define SSL_free (*(void (*)(SSL *))ssl_sw[0].ptr) #define SSL_accept (*(int (*)(SSL *))ssl_sw[1].ptr) #define SSL_connect (*(int (*)(SSL *))ssl_sw[2].ptr) #define SSL_read (*(int (*)(SSL *, void *, int))ssl_sw[3].ptr) #define SSL_write (*(int (*)(SSL *, const void *, int))ssl_sw[4].ptr) #define SSL_get_error (*(int (*)(SSL *, int))ssl_sw[5].ptr) #define SSL_set_fd (*(int (*)(SSL *, SOCKET))ssl_sw[6].ptr) #define SSL_new (*(SSL * (*)(SSL_CTX *)) ssl_sw[7].ptr) #define SSL_CTX_new (*(SSL_CTX * (*)(SSL_METHOD *)) ssl_sw[8].ptr) #define SSLv23_server_method (*(SSL_METHOD * (*)(void)) ssl_sw[9].ptr) #define SSL_library_init (*(int (*)(void))ssl_sw[10].ptr) #define SSL_CTX_use_PrivateKey_file \ (*(int (*)(SSL_CTX *, const char *, int))ssl_sw[11].ptr) #define SSL_CTX_use_certificate_file \ (*(int (*)(SSL_CTX *, const char *, int))ssl_sw[12].ptr) #define SSL_CTX_set_default_passwd_cb \ (*(void (*)(SSL_CTX *, mg_callback_t))ssl_sw[13].ptr) #define SSL_CTX_free (*(void (*)(SSL_CTX *))ssl_sw[14].ptr) #define SSL_load_error_strings (*(void (*)(void))ssl_sw[15].ptr) #define SSL_CTX_use_certificate_chain_file \ (*(int (*)(SSL_CTX *, const char *))ssl_sw[16].ptr) #define SSLv23_client_method (*(SSL_METHOD * (*)(void)) ssl_sw[17].ptr) #define SSL_pending (*(int (*)(SSL *))ssl_sw[18].ptr) #define SSL_CTX_set_verify \ (*(void (*)(SSL_CTX *, \ int, \ int (*verify_callback)(int, X509_STORE_CTX *)))ssl_sw[19] \ .ptr) #define SSL_shutdown (*(int (*)(SSL *))ssl_sw[20].ptr) #define SSL_CTX_load_verify_locations \ (*(int (*)(SSL_CTX *, const char *, const char *))ssl_sw[21].ptr) #define SSL_CTX_set_default_verify_paths (*(int (*)(SSL_CTX *))ssl_sw[22].ptr) #define SSL_CTX_set_verify_depth (*(void (*)(SSL_CTX *, int))ssl_sw[23].ptr) #define SSL_get_peer_certificate (*(X509 * (*)(SSL *)) ssl_sw[24].ptr) #define SSL_get_version (*(const char *(*)(SSL *))ssl_sw[25].ptr) #define SSL_get_current_cipher (*(SSL_CIPHER * (*)(SSL *)) ssl_sw[26].ptr) #define SSL_CIPHER_get_name \ (*(const char *(*)(const SSL_CIPHER *))ssl_sw[27].ptr) #define SSL_CTX_check_private_key (*(int (*)(SSL_CTX *))ssl_sw[28].ptr) #define SSL_CTX_set_session_id_context \ (*(int (*)(SSL_CTX *, const unsigned char *, unsigned int))ssl_sw[29].ptr) #define SSL_CTX_ctrl (*(long (*)(SSL_CTX *, int, long, void *))ssl_sw[30].ptr) #define SSL_CTX_set_cipher_list \ (*(int (*)(SSL_CTX *, const char *))ssl_sw[31].ptr) #define SSL_CTX_set_info_callback \ (*(void (*)(SSL_CTX *, void (*callback)(const SSL *, int, int)))ssl_sw[32] \ .ptr) #define SSL_get_ex_data (*(char *(*)(const SSL *, int))ssl_sw[33].ptr) #define SSL_set_ex_data (*(void (*)(SSL *, int, char *))ssl_sw[34].ptr) #define SSL_CTX_callback_ctrl \ (*(long (*)(SSL_CTX *, int, void (*)(void)))ssl_sw[35].ptr) #define SSL_get_servername \ (*(const char *(*)(const SSL *, int type))ssl_sw[36].ptr) #define SSL_set_SSL_CTX (*(SSL_CTX * (*)(SSL *, SSL_CTX *)) ssl_sw[37].ptr) #define SSL_ctrl (*(long (*)(SSL *, int, long, void *))ssl_sw[38].ptr) #define SSL_CTX_set_alpn_protos \ (*(int (*)(SSL_CTX *, const unsigned char *, unsigned))ssl_sw[39].ptr) typedef int (*tSSL_alpn_select_cb)(SSL *ssl, const unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg); #define SSL_CTX_set_alpn_select_cb \ (*(void (*)(SSL_CTX *, tSSL_alpn_select_cb, void *))ssl_sw[40].ptr) typedef int (*tSSL_next_protos_advertised_cb)(SSL *ssl, const unsigned char **out, unsigned int *outlen, void *arg); #define SSL_CTX_set_next_protos_advertised_cb \ (*(void (*)(SSL_CTX *, tSSL_next_protos_advertised_cb, void *))ssl_sw[41] \ .ptr) #define SSL_CTX_set_timeout (*(long (*)(SSL_CTX *, long))ssl_sw[42].ptr) #define SSL_CTX_set_options(ctx, op) \ SSL_CTX_ctrl((ctx), SSL_CTRL_OPTIONS, (op), NULL) #define SSL_CTX_clear_options(ctx, op) \ SSL_CTX_ctrl((ctx), SSL_CTRL_CLEAR_OPTIONS, (op), NULL) #define SSL_CTX_set_ecdh_auto(ctx, onoff) \ SSL_CTX_ctrl(ctx, SSL_CTRL_SET_ECDH_AUTO, onoff, NULL) #define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB 53 #define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG 54 #define SSL_CTRL_SET_TLSEXT_HOSTNAME 55 #define SSL_CTX_set_tlsext_servername_callback(ctx, cb) \ SSL_CTX_callback_ctrl(ctx, \ SSL_CTRL_SET_TLSEXT_SERVERNAME_CB, \ (void (*)(void))cb) #define SSL_set_tlsext_host_name(ctx, arg) \ SSL_ctrl(ctx, SSL_CTRL_SET_TLSEXT_HOSTNAME, 0, (void *)arg) #define X509_get_notBefore(x) ((x)->cert_info->validity->notBefore) #define X509_get_notAfter(x) ((x)->cert_info->validity->notAfter) #define SSL_set_app_data(s, arg) (SSL_set_ex_data(s, 0, (char *)arg)) #define SSL_get_app_data(s) (SSL_get_ex_data(s, 0)) #define SSL_CTX_sess_set_cache_size(ctx, size) SSL_CTX_ctrl(ctx, 42, size, NULL) #define SSL_CTX_set_session_cache_mode(ctx, mode) \ SSL_CTX_ctrl(ctx, 44, mode, NULL) #define CRYPTO_num_locks (*(int (*)(void))crypto_sw[0].ptr) #define CRYPTO_set_locking_callback \ (*(void (*)(void (*)(int, int, const char *, int)))crypto_sw[1].ptr) #define CRYPTO_set_id_callback \ (*(void (*)(unsigned long (*)(void)))crypto_sw[2].ptr) #define ERR_get_error (*(unsigned long (*)(void))crypto_sw[3].ptr) #define ERR_error_string (*(char *(*)(unsigned long, char *))crypto_sw[4].ptr) #define ERR_remove_state (*(void (*)(unsigned long))crypto_sw[5].ptr) #define ERR_free_strings (*(void (*)(void))crypto_sw[6].ptr) #define ENGINE_cleanup (*(void (*)(void))crypto_sw[7].ptr) #define CONF_modules_unload (*(void (*)(int))crypto_sw[8].ptr) #define CRYPTO_cleanup_all_ex_data (*(void (*)(void))crypto_sw[9].ptr) #define EVP_cleanup (*(void (*)(void))crypto_sw[10].ptr) #define X509_free (*(void (*)(X509 *))crypto_sw[11].ptr) #define X509_get_subject_name (*(X509_NAME * (*)(X509 *)) crypto_sw[12].ptr) #define X509_get_issuer_name (*(X509_NAME * (*)(X509 *)) crypto_sw[13].ptr) #define X509_NAME_oneline \ (*(char *(*)(X509_NAME *, char *, int))crypto_sw[14].ptr) #define X509_get_serialNumber (*(ASN1_INTEGER * (*)(X509 *)) crypto_sw[15].ptr) #define i2c_ASN1_INTEGER \ (*(int (*)(ASN1_INTEGER *, unsigned char **))crypto_sw[16].ptr) #define EVP_get_digestbyname \ (*(const EVP_MD *(*)(const char *))crypto_sw[17].ptr) #define EVP_Digest \ (*(int (*)( \ const void *, size_t, void *, unsigned int *, const EVP_MD *, void *)) \ crypto_sw[18] \ .ptr) #define i2d_X509 (*(int (*)(X509 *, unsigned char **))crypto_sw[19].ptr) #define BN_bn2hex (*(char *(*)(const BIGNUM *a))crypto_sw[20].ptr) #define ASN1_INTEGER_to_BN \ (*(BIGNUM * (*)(const ASN1_INTEGER *ai, BIGNUM *bn)) crypto_sw[21].ptr) #define BN_free (*(void (*)(const BIGNUM *a))crypto_sw[22].ptr) #define CRYPTO_free (*(void (*)(void *addr))crypto_sw[23].ptr) #define ERR_clear_error (*(void (*)(void))crypto_sw[24].ptr) #define OPENSSL_free(a) CRYPTO_free(a) /* use here ERR_remove_state, * while on some platforms function is not included into library due to * deprication */ #define OPENSSL_REMOVE_THREAD_STATE() ERR_remove_state(0) /* init_ssl_ctx() function updates this array. * It loads SSL library dynamically and changes NULLs to the actual addresses * of respective functions. The macros above (like SSL_connect()) are really * just calling these functions indirectly via the pointer. */ static struct ssl_func ssl_sw[] = { {"SSL_free", TLS_Mandatory, NULL}, {"SSL_accept", TLS_Mandatory, NULL}, {"SSL_connect", TLS_Mandatory, NULL}, {"SSL_read", TLS_Mandatory, NULL}, {"SSL_write", TLS_Mandatory, NULL}, {"SSL_get_error", TLS_Mandatory, NULL}, {"SSL_set_fd", TLS_Mandatory, NULL}, {"SSL_new", TLS_Mandatory, NULL}, {"SSL_CTX_new", TLS_Mandatory, NULL}, {"SSLv23_server_method", TLS_Mandatory, NULL}, {"SSL_library_init", TLS_Mandatory, NULL}, {"SSL_CTX_use_PrivateKey_file", TLS_Mandatory, NULL}, {"SSL_CTX_use_certificate_file", TLS_Mandatory, NULL}, {"SSL_CTX_set_default_passwd_cb", TLS_Mandatory, NULL}, {"SSL_CTX_free", TLS_Mandatory, NULL}, {"SSL_load_error_strings", TLS_Mandatory, NULL}, {"SSL_CTX_use_certificate_chain_file", TLS_Mandatory, NULL}, {"SSLv23_client_method", TLS_Mandatory, NULL}, {"SSL_pending", TLS_Mandatory, NULL}, {"SSL_CTX_set_verify", TLS_Mandatory, NULL}, {"SSL_shutdown", TLS_Mandatory, NULL}, {"SSL_CTX_load_verify_locations", TLS_Mandatory, NULL}, {"SSL_CTX_set_default_verify_paths", TLS_Mandatory, NULL}, {"SSL_CTX_set_verify_depth", TLS_Mandatory, NULL}, {"SSL_get_peer_certificate", TLS_Mandatory, NULL}, {"SSL_get_version", TLS_Mandatory, NULL}, {"SSL_get_current_cipher", TLS_Mandatory, NULL}, {"SSL_CIPHER_get_name", TLS_Mandatory, NULL}, {"SSL_CTX_check_private_key", TLS_Mandatory, NULL}, {"SSL_CTX_set_session_id_context", TLS_Mandatory, NULL}, {"SSL_CTX_ctrl", TLS_Mandatory, NULL}, {"SSL_CTX_set_cipher_list", TLS_Mandatory, NULL}, {"SSL_CTX_set_info_callback", TLS_Mandatory, NULL}, {"SSL_get_ex_data", TLS_Mandatory, NULL}, {"SSL_set_ex_data", TLS_Mandatory, NULL}, {"SSL_CTX_callback_ctrl", TLS_Mandatory, NULL}, {"SSL_get_servername", TLS_Mandatory, NULL}, {"SSL_set_SSL_CTX", TLS_Mandatory, NULL}, {"SSL_ctrl", TLS_Mandatory, NULL}, {"SSL_CTX_set_alpn_protos", TLS_ALPN, NULL}, {"SSL_CTX_set_alpn_select_cb", TLS_ALPN, NULL}, {"SSL_CTX_set_next_protos_advertised_cb", TLS_ALPN, NULL}, {"SSL_CTX_set_timeout", TLS_Mandatory, NULL}, {NULL, TLS_END_OF_LIST, NULL}}; /* Similar array as ssl_sw. These functions could be located in different * lib. */ static struct ssl_func crypto_sw[] = { {"CRYPTO_num_locks", TLS_Mandatory, NULL}, {"CRYPTO_set_locking_callback", TLS_Mandatory, NULL}, {"CRYPTO_set_id_callback", TLS_Mandatory, NULL}, {"ERR_get_error", TLS_Mandatory, NULL}, {"ERR_error_string", TLS_Mandatory, NULL}, {"ERR_remove_state", TLS_Mandatory, NULL}, {"ERR_free_strings", TLS_Mandatory, NULL}, {"ENGINE_cleanup", TLS_Mandatory, NULL}, {"CONF_modules_unload", TLS_Mandatory, NULL}, {"CRYPTO_cleanup_all_ex_data", TLS_Mandatory, NULL}, {"EVP_cleanup", TLS_Mandatory, NULL}, {"X509_free", TLS_Mandatory, NULL}, {"X509_get_subject_name", TLS_Mandatory, NULL}, {"X509_get_issuer_name", TLS_Mandatory, NULL}, {"X509_NAME_oneline", TLS_Mandatory, NULL}, {"X509_get_serialNumber", TLS_Mandatory, NULL}, {"i2c_ASN1_INTEGER", TLS_Mandatory, NULL}, {"EVP_get_digestbyname", TLS_Mandatory, NULL}, {"EVP_Digest", TLS_Mandatory, NULL}, {"i2d_X509", TLS_Mandatory, NULL}, {"BN_bn2hex", TLS_Mandatory, NULL}, {"ASN1_INTEGER_to_BN", TLS_Mandatory, NULL}, {"BN_free", TLS_Mandatory, NULL}, {"CRYPTO_free", TLS_Mandatory, NULL}, {"ERR_clear_error", TLS_Mandatory, NULL}, {NULL, TLS_END_OF_LIST, NULL}}; #endif /* OPENSSL_API_1_0 */