diff options
Diffstat (limited to 'lib/vtls/mbedtls.c')
-rw-r--r-- | lib/vtls/mbedtls.c | 134 |
1 files changed, 70 insertions, 64 deletions
diff --git a/lib/vtls/mbedtls.c b/lib/vtls/mbedtls.c index 803932c6f..162374e57 100644 --- a/lib/vtls/mbedtls.c +++ b/lib/vtls/mbedtls.c @@ -61,6 +61,8 @@ #include "curl_memory.h" #include "memdebug.h" +#define BACKEND connssl + /* apply threading? */ #if defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32) #define THREADING_SUPPORT @@ -214,9 +216,9 @@ set_ssl_version_min_max(struct connectdata *conn, int sockindex) return result; } - mbedtls_ssl_conf_min_version(&connssl->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(&connssl->config, MBEDTLS_SSL_MAJOR_VERSION_3, + mbedtls_ssl_conf_max_version(&BACKEND->config, MBEDTLS_SSL_MAJOR_VERSION_3, mbedtls_ver_max); return result; @@ -248,9 +250,9 @@ mbed_connect_step1(struct connectdata *conn, #ifdef THREADING_SUPPORT entropy_init_mutex(&ts_entropy); - mbedtls_ctr_drbg_init(&connssl->ctr_drbg); + mbedtls_ctr_drbg_init(&BACKEND->ctr_drbg); - ret = mbedtls_ctr_drbg_seed(&connssl->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 @@ -260,11 +262,11 @@ mbed_connect_step1(struct connectdata *conn, -ret, errorbuf); } #else - mbedtls_entropy_init(&connssl->entropy); - mbedtls_ctr_drbg_init(&connssl->ctr_drbg); + mbedtls_entropy_init(&BACKEND->entropy); + mbedtls_ctr_drbg_init(&BACKEND->ctr_drbg); - ret = mbedtls_ctr_drbg_seed(&connssl->ctr_drbg, mbedtls_entropy_func, - &connssl->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)); @@ -275,10 +277,10 @@ mbed_connect_step1(struct connectdata *conn, #endif /* THREADING_SUPPORT */ /* Load the trusted CA */ - mbedtls_x509_crt_init(&connssl->cacert); + mbedtls_x509_crt_init(&BACKEND->cacert); if(ssl_cafile) { - ret = mbedtls_x509_crt_parse_file(&connssl->cacert, ssl_cafile); + ret = mbedtls_x509_crt_parse_file(&BACKEND->cacert, ssl_cafile); if(ret<0) { #ifdef MBEDTLS_ERROR_C @@ -293,7 +295,7 @@ mbed_connect_step1(struct connectdata *conn, } if(ssl_capath) { - ret = mbedtls_x509_crt_parse_path(&connssl->cacert, ssl_capath); + ret = mbedtls_x509_crt_parse_path(&BACKEND->cacert, ssl_capath); if(ret<0) { #ifdef MBEDTLS_ERROR_C @@ -308,10 +310,10 @@ mbed_connect_step1(struct connectdata *conn, } /* Load the client certificate */ - mbedtls_x509_crt_init(&connssl->clicert); + mbedtls_x509_crt_init(&BACKEND->clicert); if(ssl_cert) { - ret = mbedtls_x509_crt_parse_file(&connssl->clicert, ssl_cert); + ret = mbedtls_x509_crt_parse_file(&BACKEND->clicert, ssl_cert); if(ret) { #ifdef MBEDTLS_ERROR_C @@ -325,12 +327,12 @@ mbed_connect_step1(struct connectdata *conn, } /* Load the client private key */ - mbedtls_pk_init(&connssl->pk); + mbedtls_pk_init(&BACKEND->pk); if(SSL_SET_OPTION(key)) { - ret = mbedtls_pk_parse_keyfile(&connssl->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(&connssl->pk, MBEDTLS_PK_RSA)) + if(ret == 0 && !mbedtls_pk_can_do(&BACKEND->pk, MBEDTLS_PK_RSA)) ret = MBEDTLS_ERR_PK_TYPE_MISMATCH; if(ret) { @@ -345,10 +347,10 @@ mbed_connect_step1(struct connectdata *conn, } /* Load the CRL */ - mbedtls_x509_crl_init(&connssl->crl); + mbedtls_x509_crl_init(&BACKEND->crl); if(ssl_crlfile) { - ret = mbedtls_x509_crl_parse_file(&connssl->crl, ssl_crlfile); + ret = mbedtls_x509_crl_parse_file(&BACKEND->crl, ssl_crlfile); if(ret) { #ifdef MBEDTLS_ERROR_C @@ -363,14 +365,14 @@ mbed_connect_step1(struct connectdata *conn, infof(data, "mbedTLS: Connecting to %s:%d\n", hostname, port); - mbedtls_ssl_config_init(&connssl->config); + mbedtls_ssl_config_init(&BACKEND->config); - mbedtls_ssl_init(&connssl->ssl); - if(mbedtls_ssl_setup(&connssl->ssl, &connssl->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(&connssl->config, + ret = mbedtls_ssl_config_defaults(&BACKEND->config, MBEDTLS_SSL_IS_CLIENT, MBEDTLS_SSL_TRANSPORT_STREAM, MBEDTLS_SSL_PRESET_DEFAULT); @@ -380,20 +382,20 @@ mbed_connect_step1(struct connectdata *conn, } /* new profile with RSA min key len = 1024 ... */ - mbedtls_ssl_conf_cert_profile(&connssl->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(&connssl->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(&connssl->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(&connssl->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; @@ -412,25 +414,25 @@ mbed_connect_step1(struct connectdata *conn, return CURLE_SSL_CONNECT_ERROR; } - mbedtls_ssl_conf_authmode(&connssl->config, MBEDTLS_SSL_VERIFY_OPTIONAL); + mbedtls_ssl_conf_authmode(&BACKEND->config, MBEDTLS_SSL_VERIFY_OPTIONAL); - mbedtls_ssl_conf_rng(&connssl->config, mbedtls_ctr_drbg_random, - &connssl->ctr_drbg); - mbedtls_ssl_set_bio(&connssl->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(&connssl->config, + mbedtls_ssl_conf_ciphersuites(&BACKEND->config, mbedtls_ssl_list_ciphersuites()); #if defined(MBEDTLS_SSL_RENEGOTIATION) - mbedtls_ssl_conf_renegotiation(&connssl->config, + mbedtls_ssl_conf_renegotiation(&BACKEND->config, MBEDTLS_SSL_RENEGOTIATION_ENABLED); #endif #if defined(MBEDTLS_SSL_SESSION_TICKETS) - mbedtls_ssl_conf_session_tickets(&connssl->config, + mbedtls_ssl_conf_session_tickets(&BACKEND->config, MBEDTLS_SSL_SESSION_TICKETS_DISABLED); #endif @@ -440,7 +442,7 @@ 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(&connssl->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); @@ -451,15 +453,15 @@ mbed_connect_step1(struct connectdata *conn, Curl_ssl_sessionid_unlock(conn); } - mbedtls_ssl_conf_ca_chain(&connssl->config, - &connssl->cacert, - &connssl->crl); + mbedtls_ssl_conf_ca_chain(&BACKEND->config, + &BACKEND->cacert, + &BACKEND->crl); if(SSL_SET_OPTION(key)) { - mbedtls_ssl_conf_own_cert(&connssl->config, - &connssl->clicert, &connssl->pk); + mbedtls_ssl_conf_own_cert(&BACKEND->config, + &BACKEND->clicert, &BACKEND->pk); } - if(mbedtls_ssl_set_hostname(&connssl->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. */ @@ -469,7 +471,7 @@ mbed_connect_step1(struct connectdata *conn, #ifdef HAS_ALPN if(conn->bits.tls_enable_alpn) { - const char **p = &connssl->protocols[0]; + const char **p = &BACKEND->protocols[0]; #ifdef USE_NGHTTP2 if(data->set.httpversion >= CURL_HTTP_VERSION_2) *p++ = NGHTTP2_PROTO_VERSION_ID; @@ -478,19 +480,19 @@ 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(&connssl->config, - &connssl->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 = &connssl->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(&connssl->config, mbed_debug, data); + mbedtls_ssl_conf_dbg(&BACKEND->config, mbed_debug, data); /* - 0 No debug * - 1 Error * - 2 State change @@ -502,7 +504,7 @@ 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, &connssl->config, + ret = (*data->set.ssl.fsslctx)(data, &BACKEND->config, data->set.ssl.fsslctxp); if(ret) { failf(data, "error signaled by ssl ctx callback"); @@ -537,7 +539,7 @@ mbed_connect_step2(struct connectdata *conn, conn->recv[sockindex] = mbed_recv; conn->send[sockindex] = mbed_send; - ret = mbedtls_ssl_handshake(&connssl->ssl); + ret = mbedtls_ssl_handshake(&BACKEND->ssl); if(ret == MBEDTLS_ERR_SSL_WANT_READ) { connssl->connecting_state = ssl_connect_2_reading; @@ -557,10 +559,10 @@ mbed_connect_step2(struct connectdata *conn, } infof(data, "mbedTLS: Handshake complete, cipher is %s\n", - mbedtls_ssl_get_ciphersuite(&conn->ssl[sockindex].ssl) + mbedtls_ssl_get_ciphersuite(&BACKEND->ssl) ); - ret = mbedtls_ssl_get_verify_result(&conn->ssl[sockindex].ssl); + ret = mbedtls_ssl_get_verify_result(&BACKEND->ssl); if(ret && SSL_CONN_CONFIG(verifypeer)) { if(ret & MBEDTLS_X509_BADCERT_EXPIRED) @@ -580,7 +582,7 @@ mbed_connect_step2(struct connectdata *conn, return CURLE_PEER_FAILED_VERIFICATION; } - peercert = mbedtls_ssl_get_peer_cert(&connssl->ssl); + peercert = mbedtls_ssl_get_peer_cert(&BACKEND->ssl); if(peercert && data->set.verbose) { const size_t bufsize = 16384; @@ -650,7 +652,7 @@ mbed_connect_step2(struct connectdata *conn, #ifdef HAS_ALPN if(conn->bits.tls_enable_alpn) { - next_protocol = mbedtls_ssl_get_alpn_protocol(&connssl->ssl); + next_protocol = mbedtls_ssl_get_alpn_protocol(&BACKEND->ssl); if(next_protocol) { infof(data, "ALPN, server accepted to use %s\n", next_protocol); @@ -700,7 +702,7 @@ mbed_connect_step3(struct connectdata *conn, mbedtls_ssl_session_init(our_ssl_sessionid); - ret = mbedtls_ssl_get_session(&connssl->ssl, our_ssl_sessionid); + ret = mbedtls_ssl_get_session(&BACKEND->ssl, our_ssl_sessionid); if(ret) { free(our_ssl_sessionid); failf(data, "mbedtls_ssl_get_session returned -0x%x", -ret); @@ -730,9 +732,10 @@ static ssize_t mbed_send(struct connectdata *conn, int sockindex, const void *mem, size_t len, CURLcode *curlcode) { + struct ssl_connect_data *connssl = &conn->ssl[sockindex]; int ret = -1; - ret = mbedtls_ssl_write(&conn->ssl[sockindex].ssl, + ret = mbedtls_ssl_write(&BACKEND->ssl, (unsigned char *)mem, len); if(ret < 0) { @@ -751,15 +754,16 @@ static void Curl_mbedtls_close_all(struct Curl_easy *data) static void Curl_mbedtls_close(struct connectdata *conn, int sockindex) { - mbedtls_pk_free(&conn->ssl[sockindex].pk); - mbedtls_x509_crt_free(&conn->ssl[sockindex].clicert); - mbedtls_x509_crt_free(&conn->ssl[sockindex].cacert); - mbedtls_x509_crl_free(&conn->ssl[sockindex].crl); - mbedtls_ssl_config_free(&conn->ssl[sockindex].config); - mbedtls_ssl_free(&conn->ssl[sockindex].ssl); - mbedtls_ctr_drbg_free(&conn->ssl[sockindex].ctr_drbg); + 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); #ifndef THREADING_SUPPORT - mbedtls_entropy_free(&conn->ssl[sockindex].entropy); + mbedtls_entropy_free(&BACKEND->entropy); #endif /* THREADING_SUPPORT */ } @@ -767,11 +771,12 @@ static ssize_t mbed_recv(struct connectdata *conn, int num, char *buf, size_t buffersize, CURLcode *curlcode) { + struct ssl_connect_data *connssl = &conn->ssl[num]; int ret = -1; ssize_t len = -1; memset(buf, 0, buffersize); - ret = mbedtls_ssl_read(&conn->ssl[num].ssl, (unsigned char *)buf, + ret = mbedtls_ssl_read(&BACKEND->ssl, (unsigned char *)buf, buffersize); if(ret <= 0) { @@ -1001,7 +1006,8 @@ static void Curl_mbedtls_cleanup(void) static bool Curl_mbedtls_data_pending(const struct connectdata *conn, int sockindex) { - return mbedtls_ssl_get_bytes_avail(&conn->ssl[sockindex].ssl) != 0; + const struct ssl_connect_data *connssl = &conn->ssl[sockindex]; + return mbedtls_ssl_get_bytes_avail(&BACKEND->ssl) != 0; } static void Curl_mbedtls_sha256sum(const unsigned char *input, @@ -1016,7 +1022,7 @@ static void *Curl_mbedtls_get_internals(struct ssl_connect_data *connssl, CURLINFO info UNUSED_PARAM) { (void)info; - return &connssl->ssl; + return &BACKEND->ssl; } const struct Curl_ssl Curl_ssl_mbedtls = { |