diff options
| -rw-r--r-- | lib/vtls/mbedtls.c | 145 |
1 files changed, 76 insertions, 69 deletions
diff --git a/lib/vtls/mbedtls.c b/lib/vtls/mbedtls.c index f057315f3..cbf3d3dec 100644 --- a/lib/vtls/mbedtls.c +++ b/lib/vtls/mbedtls.c @@ -75,8 +75,6 @@ struct ssl_backend_data { const char *protocols[3]; }; -#define BACKEND connssl->backend - /* apply threading? */ #if defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32) #define THREADING_SUPPORT @@ -196,6 +194,7 @@ set_ssl_version_min_max(struct connectdata *conn, int sockindex) { struct Curl_easy *data = conn->data; struct ssl_connect_data *connssl = &conn->ssl[sockindex]; + struct ssl_backend_data *backend = connssl->backend; int mbedtls_ver_min = MBEDTLS_SSL_MINOR_VERSION_1; int mbedtls_ver_max = MBEDTLS_SSL_MINOR_VERSION_1; long ssl_version = SSL_CONN_CONFIG(version); @@ -227,9 +226,9 @@ set_ssl_version_min_max(struct connectdata *conn, int sockindex) return result; } - mbedtls_ssl_conf_min_version(&BACKEND->config, MBEDTLS_SSL_MAJOR_VERSION_3, + mbedtls_ssl_conf_min_version(&backend->config, MBEDTLS_SSL_MAJOR_VERSION_3, mbedtls_ver_min); - mbedtls_ssl_conf_max_version(&BACKEND->config, MBEDTLS_SSL_MAJOR_VERSION_3, + mbedtls_ssl_conf_max_version(&backend->config, MBEDTLS_SSL_MAJOR_VERSION_3, mbedtls_ver_max); return result; @@ -241,6 +240,7 @@ mbed_connect_step1(struct connectdata *conn, { struct Curl_easy *data = conn->data; struct ssl_connect_data* connssl = &conn->ssl[sockindex]; + struct ssl_backend_data *backend = connssl->backend; const char * const ssl_cafile = SSL_CONN_CONFIG(CAfile); const bool verifypeer = SSL_CONN_CONFIG(verifypeer); const char * const ssl_capath = SSL_CONN_CONFIG(CApath); @@ -261,9 +261,9 @@ mbed_connect_step1(struct connectdata *conn, #ifdef THREADING_SUPPORT entropy_init_mutex(&ts_entropy); - mbedtls_ctr_drbg_init(&BACKEND->ctr_drbg); + mbedtls_ctr_drbg_init(&backend->ctr_drbg); - ret = mbedtls_ctr_drbg_seed(&BACKEND->ctr_drbg, entropy_func_mutex, + ret = mbedtls_ctr_drbg_seed(&backend->ctr_drbg, entropy_func_mutex, &ts_entropy, NULL, 0); if(ret) { #ifdef MBEDTLS_ERROR_C @@ -273,11 +273,11 @@ mbed_connect_step1(struct connectdata *conn, -ret, errorbuf); } #else - mbedtls_entropy_init(&BACKEND->entropy); - mbedtls_ctr_drbg_init(&BACKEND->ctr_drbg); + mbedtls_entropy_init(&backend->entropy); + mbedtls_ctr_drbg_init(&backend->ctr_drbg); - ret = mbedtls_ctr_drbg_seed(&BACKEND->ctr_drbg, mbedtls_entropy_func, - &BACKEND->entropy, NULL, 0); + ret = mbedtls_ctr_drbg_seed(&backend->ctr_drbg, mbedtls_entropy_func, + &backend->entropy, NULL, 0); if(ret) { #ifdef MBEDTLS_ERROR_C mbedtls_strerror(ret, errorbuf, sizeof(errorbuf)); @@ -288,10 +288,10 @@ mbed_connect_step1(struct connectdata *conn, #endif /* THREADING_SUPPORT */ /* Load the trusted CA */ - mbedtls_x509_crt_init(&BACKEND->cacert); + mbedtls_x509_crt_init(&backend->cacert); if(ssl_cafile) { - ret = mbedtls_x509_crt_parse_file(&BACKEND->cacert, ssl_cafile); + ret = mbedtls_x509_crt_parse_file(&backend->cacert, ssl_cafile); if(ret<0) { #ifdef MBEDTLS_ERROR_C @@ -306,7 +306,7 @@ mbed_connect_step1(struct connectdata *conn, } if(ssl_capath) { - ret = mbedtls_x509_crt_parse_path(&BACKEND->cacert, ssl_capath); + ret = mbedtls_x509_crt_parse_path(&backend->cacert, ssl_capath); if(ret<0) { #ifdef MBEDTLS_ERROR_C @@ -321,10 +321,10 @@ mbed_connect_step1(struct connectdata *conn, } /* Load the client certificate */ - mbedtls_x509_crt_init(&BACKEND->clicert); + mbedtls_x509_crt_init(&backend->clicert); if(ssl_cert) { - ret = mbedtls_x509_crt_parse_file(&BACKEND->clicert, ssl_cert); + ret = mbedtls_x509_crt_parse_file(&backend->clicert, ssl_cert); if(ret) { #ifdef MBEDTLS_ERROR_C @@ -338,13 +338,13 @@ mbed_connect_step1(struct connectdata *conn, } /* Load the client private key */ - mbedtls_pk_init(&BACKEND->pk); + mbedtls_pk_init(&backend->pk); if(SSL_SET_OPTION(key)) { - ret = mbedtls_pk_parse_keyfile(&BACKEND->pk, SSL_SET_OPTION(key), + ret = mbedtls_pk_parse_keyfile(&backend->pk, SSL_SET_OPTION(key), SSL_SET_OPTION(key_passwd)); - if(ret == 0 && !(mbedtls_pk_can_do(&BACKEND->pk, MBEDTLS_PK_RSA) || - mbedtls_pk_can_do(&BACKEND->pk, MBEDTLS_PK_ECKEY))) + if(ret == 0 && !(mbedtls_pk_can_do(&backend->pk, MBEDTLS_PK_RSA) || + mbedtls_pk_can_do(&backend->pk, MBEDTLS_PK_ECKEY))) ret = MBEDTLS_ERR_PK_TYPE_MISMATCH; if(ret) { @@ -359,10 +359,10 @@ mbed_connect_step1(struct connectdata *conn, } /* Load the CRL */ - mbedtls_x509_crl_init(&BACKEND->crl); + mbedtls_x509_crl_init(&backend->crl); if(ssl_crlfile) { - ret = mbedtls_x509_crl_parse_file(&BACKEND->crl, ssl_crlfile); + ret = mbedtls_x509_crl_parse_file(&backend->crl, ssl_crlfile); if(ret) { #ifdef MBEDTLS_ERROR_C @@ -377,14 +377,14 @@ mbed_connect_step1(struct connectdata *conn, infof(data, "mbedTLS: Connecting to %s:%ld\n", hostname, port); - mbedtls_ssl_config_init(&BACKEND->config); + mbedtls_ssl_config_init(&backend->config); - mbedtls_ssl_init(&BACKEND->ssl); - if(mbedtls_ssl_setup(&BACKEND->ssl, &BACKEND->config)) { + mbedtls_ssl_init(&backend->ssl); + if(mbedtls_ssl_setup(&backend->ssl, &backend->config)) { failf(data, "mbedTLS: ssl_init failed"); return CURLE_SSL_CONNECT_ERROR; } - ret = mbedtls_ssl_config_defaults(&BACKEND->config, + ret = mbedtls_ssl_config_defaults(&backend->config, MBEDTLS_SSL_IS_CLIENT, MBEDTLS_SSL_TRANSPORT_STREAM, MBEDTLS_SSL_PRESET_DEFAULT); @@ -394,20 +394,20 @@ mbed_connect_step1(struct connectdata *conn, } /* new profile with RSA min key len = 1024 ... */ - mbedtls_ssl_conf_cert_profile(&BACKEND->config, + mbedtls_ssl_conf_cert_profile(&backend->config, &mbedtls_x509_crt_profile_fr); switch(SSL_CONN_CONFIG(version)) { case CURL_SSLVERSION_DEFAULT: case CURL_SSLVERSION_TLSv1: - mbedtls_ssl_conf_min_version(&BACKEND->config, MBEDTLS_SSL_MAJOR_VERSION_3, + mbedtls_ssl_conf_min_version(&backend->config, MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_1); infof(data, "mbedTLS: Set min SSL version to TLS 1.0\n"); break; case CURL_SSLVERSION_SSLv3: - mbedtls_ssl_conf_min_version(&BACKEND->config, MBEDTLS_SSL_MAJOR_VERSION_3, + mbedtls_ssl_conf_min_version(&backend->config, MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_0); - mbedtls_ssl_conf_max_version(&BACKEND->config, MBEDTLS_SSL_MAJOR_VERSION_3, + mbedtls_ssl_conf_max_version(&backend->config, MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_0); infof(data, "mbedTLS: Set SSL version to SSLv3\n"); break; @@ -426,25 +426,25 @@ mbed_connect_step1(struct connectdata *conn, return CURLE_SSL_CONNECT_ERROR; } - mbedtls_ssl_conf_authmode(&BACKEND->config, MBEDTLS_SSL_VERIFY_OPTIONAL); + mbedtls_ssl_conf_authmode(&backend->config, MBEDTLS_SSL_VERIFY_OPTIONAL); - mbedtls_ssl_conf_rng(&BACKEND->config, mbedtls_ctr_drbg_random, - &BACKEND->ctr_drbg); - mbedtls_ssl_set_bio(&BACKEND->ssl, &conn->sock[sockindex], + mbedtls_ssl_conf_rng(&backend->config, mbedtls_ctr_drbg_random, + &backend->ctr_drbg); + mbedtls_ssl_set_bio(&backend->ssl, &conn->sock[sockindex], mbedtls_net_send, mbedtls_net_recv, NULL /* rev_timeout() */); - mbedtls_ssl_conf_ciphersuites(&BACKEND->config, + mbedtls_ssl_conf_ciphersuites(&backend->config, mbedtls_ssl_list_ciphersuites()); #if defined(MBEDTLS_SSL_RENEGOTIATION) - mbedtls_ssl_conf_renegotiation(&BACKEND->config, + mbedtls_ssl_conf_renegotiation(&backend->config, MBEDTLS_SSL_RENEGOTIATION_ENABLED); #endif #if defined(MBEDTLS_SSL_SESSION_TICKETS) - mbedtls_ssl_conf_session_tickets(&BACKEND->config, + mbedtls_ssl_conf_session_tickets(&backend->config, MBEDTLS_SSL_SESSION_TICKETS_DISABLED); #endif @@ -454,7 +454,7 @@ mbed_connect_step1(struct connectdata *conn, Curl_ssl_sessionid_lock(conn); if(!Curl_ssl_getsessionid(conn, &old_session, NULL, sockindex)) { - ret = mbedtls_ssl_set_session(&BACKEND->ssl, old_session); + ret = mbedtls_ssl_set_session(&backend->ssl, old_session); if(ret) { Curl_ssl_sessionid_unlock(conn); failf(data, "mbedtls_ssl_set_session returned -0x%x", -ret); @@ -465,15 +465,15 @@ mbed_connect_step1(struct connectdata *conn, Curl_ssl_sessionid_unlock(conn); } - mbedtls_ssl_conf_ca_chain(&BACKEND->config, - &BACKEND->cacert, - &BACKEND->crl); + mbedtls_ssl_conf_ca_chain(&backend->config, + &backend->cacert, + &backend->crl); if(SSL_SET_OPTION(key)) { - mbedtls_ssl_conf_own_cert(&BACKEND->config, - &BACKEND->clicert, &BACKEND->pk); + mbedtls_ssl_conf_own_cert(&backend->config, + &backend->clicert, &backend->pk); } - if(mbedtls_ssl_set_hostname(&BACKEND->ssl, hostname)) { + if(mbedtls_ssl_set_hostname(&backend->ssl, hostname)) { /* mbedtls_ssl_set_hostname() sets the name to use in CN/SAN checks *and* the name to set in the SNI extension. So even if curl connects to a host specified as an IP address, this function must be used. */ @@ -483,7 +483,7 @@ mbed_connect_step1(struct connectdata *conn, #ifdef HAS_ALPN if(conn->bits.tls_enable_alpn) { - const char **p = &BACKEND->protocols[0]; + const char **p = &backend->protocols[0]; #ifdef USE_NGHTTP2 if(data->set.httpversion >= CURL_HTTP_VERSION_2) *p++ = NGHTTP2_PROTO_VERSION_ID; @@ -492,19 +492,19 @@ mbed_connect_step1(struct connectdata *conn, *p = NULL; /* this function doesn't clone the protocols array, which is why we need to keep it around */ - if(mbedtls_ssl_conf_alpn_protocols(&BACKEND->config, - &BACKEND->protocols[0])) { + if(mbedtls_ssl_conf_alpn_protocols(&backend->config, + &backend->protocols[0])) { failf(data, "Failed setting ALPN protocols"); return CURLE_SSL_CONNECT_ERROR; } - for(p = &BACKEND->protocols[0]; *p; ++p) + for(p = &backend->protocols[0]; *p; ++p) infof(data, "ALPN, offering %s\n", *p); } #endif #ifdef MBEDTLS_DEBUG /* In order to make that work in mbedtls MBEDTLS_DEBUG_C must be defined. */ - mbedtls_ssl_conf_dbg(&BACKEND->config, mbed_debug, data); + mbedtls_ssl_conf_dbg(&backend->config, mbed_debug, data); /* - 0 No debug * - 1 Error * - 2 State change @@ -516,7 +516,7 @@ mbed_connect_step1(struct connectdata *conn, /* give application a chance to interfere with mbedTLS set up. */ if(data->set.ssl.fsslctx) { - ret = (*data->set.ssl.fsslctx)(data, &BACKEND->config, + ret = (*data->set.ssl.fsslctx)(data, &backend->config, data->set.ssl.fsslctxp); if(ret) { failf(data, "error signaled by ssl ctx callback"); @@ -536,15 +536,16 @@ mbed_connect_step2(struct connectdata *conn, int ret; struct Curl_easy *data = conn->data; struct ssl_connect_data* connssl = &conn->ssl[sockindex]; + struct ssl_backend_data *backend = connssl->backend; const mbedtls_x509_crt *peercert; const char * const pinnedpubkey = SSL_IS_PROXY() ? - data->set.str[STRING_SSL_PINNEDPUBLICKEY_PROXY] : - data->set.str[STRING_SSL_PINNEDPUBLICKEY_ORIG]; + data->set.str[STRING_SSL_PINNEDPUBLICKEY_PROXY] : + data->set.str[STRING_SSL_PINNEDPUBLICKEY_ORIG]; conn->recv[sockindex] = mbed_recv; conn->send[sockindex] = mbed_send; - ret = mbedtls_ssl_handshake(&BACKEND->ssl); + ret = mbedtls_ssl_handshake(&backend->ssl); if(ret == MBEDTLS_ERR_SSL_WANT_READ) { connssl->connecting_state = ssl_connect_2_reading; @@ -566,10 +567,10 @@ mbed_connect_step2(struct connectdata *conn, } infof(data, "mbedTLS: Handshake complete, cipher is %s\n", - mbedtls_ssl_get_ciphersuite(&BACKEND->ssl) + mbedtls_ssl_get_ciphersuite(&backend->ssl) ); - ret = mbedtls_ssl_get_verify_result(&BACKEND->ssl); + ret = mbedtls_ssl_get_verify_result(&backend->ssl); if(!SSL_CONN_CONFIG(verifyhost)) /* Ignore hostname errors if verifyhost is disabled */ @@ -594,7 +595,7 @@ mbed_connect_step2(struct connectdata *conn, return CURLE_PEER_FAILED_VERIFICATION; } - peercert = mbedtls_ssl_get_peer_cert(&BACKEND->ssl); + peercert = mbedtls_ssl_get_peer_cert(&backend->ssl); if(peercert && data->set.verbose) { const size_t bufsize = 16384; @@ -664,7 +665,7 @@ mbed_connect_step2(struct connectdata *conn, #ifdef HAS_ALPN if(conn->bits.tls_enable_alpn) { - const char *next_protocol = mbedtls_ssl_get_alpn_protocol(&BACKEND->ssl); + const char *next_protocol = mbedtls_ssl_get_alpn_protocol(&backend->ssl); if(next_protocol) { infof(data, "ALPN, server accepted to use %s\n", next_protocol); @@ -701,6 +702,7 @@ mbed_connect_step3(struct connectdata *conn, { CURLcode retcode = CURLE_OK; struct ssl_connect_data *connssl = &conn->ssl[sockindex]; + struct ssl_backend_data *backend = connssl->backend; struct Curl_easy *data = conn->data; DEBUGASSERT(ssl_connect_3 == connssl->connecting_state); @@ -716,7 +718,7 @@ mbed_connect_step3(struct connectdata *conn, mbedtls_ssl_session_init(our_ssl_sessionid); - ret = mbedtls_ssl_get_session(&BACKEND->ssl, our_ssl_sessionid); + ret = mbedtls_ssl_get_session(&backend->ssl, our_ssl_sessionid); if(ret) { if(ret != MBEDTLS_ERR_SSL_ALLOC_FAILED) mbedtls_ssl_session_free(our_ssl_sessionid); @@ -750,9 +752,10 @@ static ssize_t mbed_send(struct connectdata *conn, int sockindex, CURLcode *curlcode) { struct ssl_connect_data *connssl = &conn->ssl[sockindex]; + struct ssl_backend_data *backend = connssl->backend; int ret = -1; - ret = mbedtls_ssl_write(&BACKEND->ssl, + ret = mbedtls_ssl_write(&backend->ssl, (unsigned char *)mem, len); if(ret < 0) { @@ -772,15 +775,16 @@ static void Curl_mbedtls_close_all(struct Curl_easy *data) static void Curl_mbedtls_close(struct connectdata *conn, int sockindex) { struct ssl_connect_data *connssl = &conn->ssl[sockindex]; - mbedtls_pk_free(&BACKEND->pk); - mbedtls_x509_crt_free(&BACKEND->clicert); - mbedtls_x509_crt_free(&BACKEND->cacert); - mbedtls_x509_crl_free(&BACKEND->crl); - mbedtls_ssl_config_free(&BACKEND->config); - mbedtls_ssl_free(&BACKEND->ssl); - mbedtls_ctr_drbg_free(&BACKEND->ctr_drbg); + struct ssl_backend_data *backend = connssl->backend; + mbedtls_pk_free(&backend->pk); + mbedtls_x509_crt_free(&backend->clicert); + mbedtls_x509_crt_free(&backend->cacert); + mbedtls_x509_crl_free(&backend->crl); + mbedtls_ssl_config_free(&backend->config); + mbedtls_ssl_free(&backend->ssl); + mbedtls_ctr_drbg_free(&backend->ctr_drbg); #ifndef THREADING_SUPPORT - mbedtls_entropy_free(&BACKEND->entropy); + mbedtls_entropy_free(&backend->entropy); #endif /* THREADING_SUPPORT */ } @@ -789,11 +793,12 @@ static ssize_t mbed_recv(struct connectdata *conn, int num, CURLcode *curlcode) { struct ssl_connect_data *connssl = &conn->ssl[num]; + struct ssl_backend_data *backend = connssl->backend; int ret = -1; ssize_t len = -1; memset(buf, 0, buffersize); - ret = mbedtls_ssl_read(&BACKEND->ssl, (unsigned char *)buf, + ret = mbedtls_ssl_read(&backend->ssl, (unsigned char *)buf, buffersize); if(ret <= 0) { @@ -1029,7 +1034,8 @@ static bool Curl_mbedtls_data_pending(const struct connectdata *conn, int sockindex) { const struct ssl_connect_data *connssl = &conn->ssl[sockindex]; - return mbedtls_ssl_get_bytes_avail(&BACKEND->ssl) != 0; + struct ssl_backend_data *backend = connssl->backend; + return mbedtls_ssl_get_bytes_avail(&backend->ssl) != 0; } static CURLcode Curl_mbedtls_sha256sum(const unsigned char *input, @@ -1051,8 +1057,9 @@ static CURLcode Curl_mbedtls_sha256sum(const unsigned char *input, static void *Curl_mbedtls_get_internals(struct ssl_connect_data *connssl, CURLINFO info UNUSED_PARAM) { + struct ssl_backend_data *backend = connssl->backend; (void)info; - return &BACKEND->ssl; + return &backend->ssl; } const struct Curl_ssl Curl_ssl_mbedtls = { |