X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=test%2Fhandshake_helper.c;h=bc6762d475c81c395734f3127ba2bdcb1d66833a;hp=0add973e50f8f422d365ee3b425150d372f88727;hb=HEAD;hpb=88e09fe79b909fbfe266e87a2731f96c197726fb diff --git a/test/handshake_helper.c b/test/handshake_helper.c deleted file mode 100644 index 0add973e50..0000000000 --- a/test/handshake_helper.c +++ /dev/null @@ -1,1618 +0,0 @@ -/* - * Copyright 2016-2017 The OpenSSL Project Authors. All Rights Reserved. - * - * Licensed under the OpenSSL license (the "License"). You may not use - * this file except in compliance with the License. You can obtain a copy - * in the file LICENSE in the source distribution or at - * https://www.openssl.org/source/license.html - */ - -#include - -#include -#include -#include -#ifndef OPENSSL_NO_SRP -#include -#endif - -#include "internal/sockets.h" -#include "internal/nelem.h" -#include "handshake_helper.h" -#include "testutil.h" - -HANDSHAKE_RESULT *HANDSHAKE_RESULT_new() -{ - HANDSHAKE_RESULT *ret; - - TEST_ptr(ret = OPENSSL_zalloc(sizeof(*ret))); - return ret; -} - -void HANDSHAKE_RESULT_free(HANDSHAKE_RESULT *result) -{ - if (result == NULL) - return; - OPENSSL_free(result->client_npn_negotiated); - OPENSSL_free(result->server_npn_negotiated); - OPENSSL_free(result->client_alpn_negotiated); - OPENSSL_free(result->server_alpn_negotiated); - sk_X509_NAME_pop_free(result->server_ca_names, X509_NAME_free); - sk_X509_NAME_pop_free(result->client_ca_names, X509_NAME_free); - OPENSSL_free(result->cipher); - OPENSSL_free(result); -} - -/* - * Since there appears to be no way to extract the sent/received alert - * from the SSL object directly, we use the info callback and stash - * the result in ex_data. - */ -typedef struct handshake_ex_data_st { - int alert_sent; - int num_fatal_alerts_sent; - int alert_received; - int session_ticket_do_not_call; - ssl_servername_t servername; -} HANDSHAKE_EX_DATA; - -typedef struct ctx_data_st { - unsigned char *npn_protocols; - size_t npn_protocols_len; - unsigned char *alpn_protocols; - size_t alpn_protocols_len; - char *srp_user; - char *srp_password; -} CTX_DATA; - -/* |ctx_data| itself is stack-allocated. */ -static void ctx_data_free_data(CTX_DATA *ctx_data) -{ - OPENSSL_free(ctx_data->npn_protocols); - ctx_data->npn_protocols = NULL; - OPENSSL_free(ctx_data->alpn_protocols); - ctx_data->alpn_protocols = NULL; - OPENSSL_free(ctx_data->srp_user); - ctx_data->srp_user = NULL; - OPENSSL_free(ctx_data->srp_password); - ctx_data->srp_password = NULL; -} - -static int ex_data_idx; - -static void info_cb(const SSL *s, int where, int ret) -{ - if (where & SSL_CB_ALERT) { - HANDSHAKE_EX_DATA *ex_data = - (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); - if (where & SSL_CB_WRITE) { - ex_data->alert_sent = ret; - if (strcmp(SSL_alert_type_string(ret), "F") == 0 - || strcmp(SSL_alert_desc_string(ret), "CN") == 0) - ex_data->num_fatal_alerts_sent++; - } else { - ex_data->alert_received = ret; - } - } -} - -/* Select the appropriate server CTX. - * Returns SSL_TLSEXT_ERR_OK if a match was found. - * If |ignore| is 1, returns SSL_TLSEXT_ERR_NOACK on mismatch. - * Otherwise, returns SSL_TLSEXT_ERR_ALERT_FATAL on mismatch. - * An empty SNI extension also returns SSL_TSLEXT_ERR_NOACK. - */ -static int select_server_ctx(SSL *s, void *arg, int ignore) -{ - const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); - HANDSHAKE_EX_DATA *ex_data = - (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); - - if (servername == NULL) { - ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; - return SSL_TLSEXT_ERR_NOACK; - } - - if (strcmp(servername, "server2") == 0) { - SSL_CTX *new_ctx = (SSL_CTX*)arg; - SSL_set_SSL_CTX(s, new_ctx); - /* - * Copy over all the SSL_CTX options - reasonable behavior - * allows testing of cases where the options between two - * contexts differ/conflict - */ - SSL_clear_options(s, 0xFFFFFFFFL); - SSL_set_options(s, SSL_CTX_get_options(new_ctx)); - - ex_data->servername = SSL_TEST_SERVERNAME_SERVER2; - return SSL_TLSEXT_ERR_OK; - } else if (strcmp(servername, "server1") == 0) { - ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; - return SSL_TLSEXT_ERR_OK; - } else if (ignore) { - ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; - return SSL_TLSEXT_ERR_NOACK; - } else { - /* Don't set an explicit alert, to test library defaults. */ - return SSL_TLSEXT_ERR_ALERT_FATAL; - } -} - -static int client_hello_select_server_ctx(SSL *s, void *arg, int ignore) -{ - const char *servername; - const unsigned char *p; - size_t len, remaining; - HANDSHAKE_EX_DATA *ex_data = - (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); - - /* - * The server_name extension was given too much extensibility when it - * was written, so parsing the normal case is a bit complex. - */ - if (!SSL_client_hello_get0_ext(s, TLSEXT_TYPE_server_name, &p, - &remaining) || - remaining <= 2) - return 0; - /* Extract the length of the supplied list of names. */ - len = (*(p++) << 8); - len += *(p++); - if (len + 2 != remaining) - return 0; - remaining = len; - /* - * The list in practice only has a single element, so we only consider - * the first one. - */ - if (remaining == 0 || *p++ != TLSEXT_NAMETYPE_host_name) - return 0; - remaining--; - /* Now we can finally pull out the byte array with the actual hostname. */ - if (remaining <= 2) - return 0; - len = (*(p++) << 8); - len += *(p++); - if (len + 2 > remaining) - return 0; - remaining = len; - servername = (const char *)p; - - if (len == strlen("server2") && strncmp(servername, "server2", len) == 0) { - SSL_CTX *new_ctx = arg; - SSL_set_SSL_CTX(s, new_ctx); - /* - * Copy over all the SSL_CTX options - reasonable behavior - * allows testing of cases where the options between two - * contexts differ/conflict - */ - SSL_clear_options(s, 0xFFFFFFFFL); - SSL_set_options(s, SSL_CTX_get_options(new_ctx)); - - ex_data->servername = SSL_TEST_SERVERNAME_SERVER2; - return 1; - } else if (len == strlen("server1") && - strncmp(servername, "server1", len) == 0) { - ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; - return 1; - } else if (ignore) { - ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; - return 1; - } - return 0; -} -/* - * (RFC 6066): - * If the server understood the ClientHello extension but - * does not recognize the server name, the server SHOULD take one of two - * actions: either abort the handshake by sending a fatal-level - * unrecognized_name(112) alert or continue the handshake. - * - * This behaviour is up to the application to configure; we test both - * configurations to ensure the state machine propagates the result - * correctly. - */ -static int servername_ignore_cb(SSL *s, int *ad, void *arg) -{ - return select_server_ctx(s, arg, 1); -} - -static int servername_reject_cb(SSL *s, int *ad, void *arg) -{ - return select_server_ctx(s, arg, 0); -} - -static int client_hello_ignore_cb(SSL *s, int *al, void *arg) -{ - if (!client_hello_select_server_ctx(s, arg, 1)) { - *al = SSL_AD_UNRECOGNIZED_NAME; - return SSL_CLIENT_HELLO_ERROR; - } - return SSL_CLIENT_HELLO_SUCCESS; -} - -static int client_hello_reject_cb(SSL *s, int *al, void *arg) -{ - if (!client_hello_select_server_ctx(s, arg, 0)) { - *al = SSL_AD_UNRECOGNIZED_NAME; - return SSL_CLIENT_HELLO_ERROR; - } - return SSL_CLIENT_HELLO_SUCCESS; -} - -static int client_hello_nov12_cb(SSL *s, int *al, void *arg) -{ - int ret; - unsigned int v; - const unsigned char *p; - - v = SSL_client_hello_get0_legacy_version(s); - if (v > TLS1_2_VERSION || v < SSL3_VERSION) { - *al = SSL_AD_PROTOCOL_VERSION; - return SSL_CLIENT_HELLO_ERROR; - } - (void)SSL_client_hello_get0_session_id(s, &p); - if (p == NULL || - SSL_client_hello_get0_random(s, &p) == 0 || - SSL_client_hello_get0_ciphers(s, &p) == 0 || - SSL_client_hello_get0_compression_methods(s, &p) == 0) { - *al = SSL_AD_INTERNAL_ERROR; - return SSL_CLIENT_HELLO_ERROR; - } - ret = client_hello_select_server_ctx(s, arg, 0); - SSL_set_max_proto_version(s, TLS1_1_VERSION); - if (!ret) { - *al = SSL_AD_UNRECOGNIZED_NAME; - return SSL_CLIENT_HELLO_ERROR; - } - return SSL_CLIENT_HELLO_SUCCESS; -} - -static unsigned char dummy_ocsp_resp_good_val = 0xff; -static unsigned char dummy_ocsp_resp_bad_val = 0xfe; - -static int server_ocsp_cb(SSL *s, void *arg) -{ - unsigned char *resp; - - resp = OPENSSL_malloc(1); - if (resp == NULL) - return SSL_TLSEXT_ERR_ALERT_FATAL; - /* - * For the purposes of testing we just send back a dummy OCSP response - */ - *resp = *(unsigned char *)arg; - if (!SSL_set_tlsext_status_ocsp_resp(s, resp, 1)) - return SSL_TLSEXT_ERR_ALERT_FATAL; - - return SSL_TLSEXT_ERR_OK; -} - -static int client_ocsp_cb(SSL *s, void *arg) -{ - const unsigned char *resp; - int len; - - len = SSL_get_tlsext_status_ocsp_resp(s, &resp); - if (len != 1 || *resp != dummy_ocsp_resp_good_val) - return 0; - - return 1; -} - -static int verify_reject_cb(X509_STORE_CTX *ctx, void *arg) { - X509_STORE_CTX_set_error(ctx, X509_V_ERR_APPLICATION_VERIFICATION); - return 0; -} - -static int verify_accept_cb(X509_STORE_CTX *ctx, void *arg) { - return 1; -} - -static int broken_session_ticket_cb(SSL *s, unsigned char *key_name, unsigned char *iv, - EVP_CIPHER_CTX *ctx, HMAC_CTX *hctx, int enc) -{ - return 0; -} - -static int do_not_call_session_ticket_cb(SSL *s, unsigned char *key_name, - unsigned char *iv, - EVP_CIPHER_CTX *ctx, - HMAC_CTX *hctx, int enc) -{ - HANDSHAKE_EX_DATA *ex_data = - (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); - ex_data->session_ticket_do_not_call = 1; - return 0; -} - -/* Parse the comma-separated list into TLS format. */ -static int parse_protos(const char *protos, unsigned char **out, size_t *outlen) -{ - size_t len, i, prefix; - - len = strlen(protos); - - /* Should never have reuse. */ - if (!TEST_ptr_null(*out) - /* Test values are small, so we omit length limit checks. */ - || !TEST_ptr(*out = OPENSSL_malloc(len + 1))) - return 0; - *outlen = len + 1; - - /* - * foo => '3', 'f', 'o', 'o' - * foo,bar => '3', 'f', 'o', 'o', '3', 'b', 'a', 'r' - */ - memcpy(*out + 1, protos, len); - - prefix = 0; - i = prefix + 1; - while (i <= len) { - if ((*out)[i] == ',') { - if (!TEST_int_gt(i - 1, prefix)) - goto err; - (*out)[prefix] = (unsigned char)(i - 1 - prefix); - prefix = i; - } - i++; - } - if (!TEST_int_gt(len, prefix)) - goto err; - (*out)[prefix] = (unsigned char)(len - prefix); - return 1; - -err: - OPENSSL_free(*out); - *out = NULL; - return 0; -} - -#ifndef OPENSSL_NO_NEXTPROTONEG -/* - * The client SHOULD select the first protocol advertised by the server that it - * also supports. In the event that the client doesn't support any of server's - * protocols, or the server doesn't advertise any, it SHOULD select the first - * protocol that it supports. - */ -static int client_npn_cb(SSL *s, unsigned char **out, unsigned char *outlen, - const unsigned char *in, unsigned int inlen, - void *arg) -{ - CTX_DATA *ctx_data = (CTX_DATA*)(arg); - int ret; - - ret = SSL_select_next_proto(out, outlen, in, inlen, - ctx_data->npn_protocols, - ctx_data->npn_protocols_len); - /* Accept both OPENSSL_NPN_NEGOTIATED and OPENSSL_NPN_NO_OVERLAP. */ - return TEST_true(ret == OPENSSL_NPN_NEGOTIATED || ret == OPENSSL_NPN_NO_OVERLAP) - ? SSL_TLSEXT_ERR_OK : SSL_TLSEXT_ERR_ALERT_FATAL; -} - -static int server_npn_cb(SSL *s, const unsigned char **data, - unsigned int *len, void *arg) -{ - CTX_DATA *ctx_data = (CTX_DATA*)(arg); - *data = ctx_data->npn_protocols; - *len = ctx_data->npn_protocols_len; - return SSL_TLSEXT_ERR_OK; -} -#endif - -/* - * The server SHOULD select the most highly preferred protocol that it supports - * and that is also advertised by the client. In the event that the server - * supports no protocols that the client advertises, then the server SHALL - * respond with a fatal "no_application_protocol" alert. - */ -static int server_alpn_cb(SSL *s, const unsigned char **out, - unsigned char *outlen, const unsigned char *in, - unsigned int inlen, void *arg) -{ - CTX_DATA *ctx_data = (CTX_DATA*)(arg); - int ret; - - /* SSL_select_next_proto isn't const-correct... */ - unsigned char *tmp_out; - - /* - * The result points either to |in| or to |ctx_data->alpn_protocols|. - * The callback is allowed to point to |in| or to a long-lived buffer, - * so we can return directly without storing a copy. - */ - ret = SSL_select_next_proto(&tmp_out, outlen, - ctx_data->alpn_protocols, - ctx_data->alpn_protocols_len, in, inlen); - - *out = tmp_out; - /* Unlike NPN, we don't tolerate a mismatch. */ - return ret == OPENSSL_NPN_NEGOTIATED ? SSL_TLSEXT_ERR_OK - : SSL_TLSEXT_ERR_ALERT_FATAL; -} - -#ifndef OPENSSL_NO_SRP -static char *client_srp_cb(SSL *s, void *arg) -{ - CTX_DATA *ctx_data = (CTX_DATA*)(arg); - return OPENSSL_strdup(ctx_data->srp_password); -} - -static int server_srp_cb(SSL *s, int *ad, void *arg) -{ - CTX_DATA *ctx_data = (CTX_DATA*)(arg); - if (strcmp(ctx_data->srp_user, SSL_get_srp_username(s)) != 0) - return SSL3_AL_FATAL; - if (SSL_set_srp_server_param_pw(s, ctx_data->srp_user, - ctx_data->srp_password, - "2048" /* known group */) < 0) { - *ad = SSL_AD_INTERNAL_ERROR; - return SSL3_AL_FATAL; - } - return SSL_ERROR_NONE; -} -#endif /* !OPENSSL_NO_SRP */ - -/* - * Configure callbacks and other properties that can't be set directly - * in the server/client CONF. - */ -static int configure_handshake_ctx(SSL_CTX *server_ctx, SSL_CTX *server2_ctx, - SSL_CTX *client_ctx, - const SSL_TEST_CTX *test, - const SSL_TEST_EXTRA_CONF *extra, - CTX_DATA *server_ctx_data, - CTX_DATA *server2_ctx_data, - CTX_DATA *client_ctx_data) -{ - unsigned char *ticket_keys; - size_t ticket_key_len; - - if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server_ctx, - test->max_fragment_size), 1)) - goto err; - if (server2_ctx != NULL) { - if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server2_ctx, - test->max_fragment_size), - 1)) - goto err; - } - if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(client_ctx, - test->max_fragment_size), 1)) - goto err; - - switch (extra->client.verify_callback) { - case SSL_TEST_VERIFY_ACCEPT_ALL: - SSL_CTX_set_cert_verify_callback(client_ctx, &verify_accept_cb, NULL); - break; - case SSL_TEST_VERIFY_REJECT_ALL: - SSL_CTX_set_cert_verify_callback(client_ctx, &verify_reject_cb, NULL); - break; - case SSL_TEST_VERIFY_NONE: - break; - } - - switch (extra->client.max_fragment_len_mode) { - case TLSEXT_max_fragment_length_512: - case TLSEXT_max_fragment_length_1024: - case TLSEXT_max_fragment_length_2048: - case TLSEXT_max_fragment_length_4096: - case TLSEXT_max_fragment_length_DISABLED: - SSL_CTX_set_tlsext_max_fragment_length( - client_ctx, extra->client.max_fragment_len_mode); - break; - } - - /* - * Link the two contexts for SNI purposes. - * Also do ClientHello callbacks here, as setting both ClientHello and SNI - * is bad. - */ - switch (extra->server.servername_callback) { - case SSL_TEST_SERVERNAME_IGNORE_MISMATCH: - SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_ignore_cb); - SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx); - break; - case SSL_TEST_SERVERNAME_REJECT_MISMATCH: - SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_reject_cb); - SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx); - break; - case SSL_TEST_SERVERNAME_CB_NONE: - break; - case SSL_TEST_SERVERNAME_CLIENT_HELLO_IGNORE_MISMATCH: - SSL_CTX_set_client_hello_cb(server_ctx, client_hello_ignore_cb, server2_ctx); - break; - case SSL_TEST_SERVERNAME_CLIENT_HELLO_REJECT_MISMATCH: - SSL_CTX_set_client_hello_cb(server_ctx, client_hello_reject_cb, server2_ctx); - break; - case SSL_TEST_SERVERNAME_CLIENT_HELLO_NO_V12: - SSL_CTX_set_client_hello_cb(server_ctx, client_hello_nov12_cb, server2_ctx); - } - - if (extra->server.cert_status != SSL_TEST_CERT_STATUS_NONE) { - SSL_CTX_set_tlsext_status_type(client_ctx, TLSEXT_STATUSTYPE_ocsp); - SSL_CTX_set_tlsext_status_cb(client_ctx, client_ocsp_cb); - SSL_CTX_set_tlsext_status_arg(client_ctx, NULL); - SSL_CTX_set_tlsext_status_cb(server_ctx, server_ocsp_cb); - SSL_CTX_set_tlsext_status_arg(server_ctx, - ((extra->server.cert_status == SSL_TEST_CERT_STATUS_GOOD_RESPONSE) - ? &dummy_ocsp_resp_good_val : &dummy_ocsp_resp_bad_val)); - } - - /* - * The initial_ctx/session_ctx always handles the encrypt/decrypt of the - * session ticket. This ticket_key callback is assigned to the second - * session (assigned via SNI), and should never be invoked - */ - if (server2_ctx != NULL) - SSL_CTX_set_tlsext_ticket_key_cb(server2_ctx, - do_not_call_session_ticket_cb); - - if (extra->server.broken_session_ticket) { - SSL_CTX_set_tlsext_ticket_key_cb(server_ctx, broken_session_ticket_cb); - } -#ifndef OPENSSL_NO_NEXTPROTONEG - if (extra->server.npn_protocols != NULL) { - if (!TEST_true(parse_protos(extra->server.npn_protocols, - &server_ctx_data->npn_protocols, - &server_ctx_data->npn_protocols_len))) - goto err; - SSL_CTX_set_npn_advertised_cb(server_ctx, server_npn_cb, - server_ctx_data); - } - if (extra->server2.npn_protocols != NULL) { - if (!TEST_true(parse_protos(extra->server2.npn_protocols, - &server2_ctx_data->npn_protocols, - &server2_ctx_data->npn_protocols_len)) - || !TEST_ptr(server2_ctx)) - goto err; - SSL_CTX_set_npn_advertised_cb(server2_ctx, server_npn_cb, - server2_ctx_data); - } - if (extra->client.npn_protocols != NULL) { - if (!TEST_true(parse_protos(extra->client.npn_protocols, - &client_ctx_data->npn_protocols, - &client_ctx_data->npn_protocols_len))) - goto err; - SSL_CTX_set_next_proto_select_cb(client_ctx, client_npn_cb, - client_ctx_data); - } -#endif - if (extra->server.alpn_protocols != NULL) { - if (!TEST_true(parse_protos(extra->server.alpn_protocols, - &server_ctx_data->alpn_protocols, - &server_ctx_data->alpn_protocols_len))) - goto err; - SSL_CTX_set_alpn_select_cb(server_ctx, server_alpn_cb, server_ctx_data); - } - if (extra->server2.alpn_protocols != NULL) { - if (!TEST_ptr(server2_ctx) - || !TEST_true(parse_protos(extra->server2.alpn_protocols, - &server2_ctx_data->alpn_protocols, - &server2_ctx_data->alpn_protocols_len - ))) - goto err; - SSL_CTX_set_alpn_select_cb(server2_ctx, server_alpn_cb, - server2_ctx_data); - } - if (extra->client.alpn_protocols != NULL) { - unsigned char *alpn_protos = NULL; - size_t alpn_protos_len; - if (!TEST_true(parse_protos(extra->client.alpn_protocols, - &alpn_protos, &alpn_protos_len)) - /* Reversed return value convention... */ - || !TEST_int_eq(SSL_CTX_set_alpn_protos(client_ctx, alpn_protos, - alpn_protos_len), 0)) - goto err; - OPENSSL_free(alpn_protos); - } - - /* - * Use fixed session ticket keys so that we can decrypt a ticket created with - * one CTX in another CTX. Don't address server2 for the moment. - */ - ticket_key_len = SSL_CTX_set_tlsext_ticket_keys(server_ctx, NULL, 0); - if (!TEST_ptr(ticket_keys = OPENSSL_zalloc(ticket_key_len)) - || !TEST_int_eq(SSL_CTX_set_tlsext_ticket_keys(server_ctx, - ticket_keys, - ticket_key_len), 1)) { - OPENSSL_free(ticket_keys); - goto err; - } - OPENSSL_free(ticket_keys); - - /* The default log list includes EC keys, so CT can't work without EC. */ -#if !defined(OPENSSL_NO_CT) && !defined(OPENSSL_NO_EC) - if (!TEST_true(SSL_CTX_set_default_ctlog_list_file(client_ctx))) - goto err; - switch (extra->client.ct_validation) { - case SSL_TEST_CT_VALIDATION_PERMISSIVE: - if (!TEST_true(SSL_CTX_enable_ct(client_ctx, - SSL_CT_VALIDATION_PERMISSIVE))) - goto err; - break; - case SSL_TEST_CT_VALIDATION_STRICT: - if (!TEST_true(SSL_CTX_enable_ct(client_ctx, SSL_CT_VALIDATION_STRICT))) - goto err; - break; - case SSL_TEST_CT_VALIDATION_NONE: - break; - } -#endif -#ifndef OPENSSL_NO_SRP - if (extra->server.srp_user != NULL) { - SSL_CTX_set_srp_username_callback(server_ctx, server_srp_cb); - server_ctx_data->srp_user = OPENSSL_strdup(extra->server.srp_user); - server_ctx_data->srp_password = OPENSSL_strdup(extra->server.srp_password); - SSL_CTX_set_srp_cb_arg(server_ctx, server_ctx_data); - } - if (extra->server2.srp_user != NULL) { - if (!TEST_ptr(server2_ctx)) - goto err; - SSL_CTX_set_srp_username_callback(server2_ctx, server_srp_cb); - server2_ctx_data->srp_user = OPENSSL_strdup(extra->server2.srp_user); - server2_ctx_data->srp_password = OPENSSL_strdup(extra->server2.srp_password); - SSL_CTX_set_srp_cb_arg(server2_ctx, server2_ctx_data); - } - if (extra->client.srp_user != NULL) { - if (!TEST_true(SSL_CTX_set_srp_username(client_ctx, - extra->client.srp_user))) - goto err; - SSL_CTX_set_srp_client_pwd_callback(client_ctx, client_srp_cb); - client_ctx_data->srp_password = OPENSSL_strdup(extra->client.srp_password); - SSL_CTX_set_srp_cb_arg(client_ctx, client_ctx_data); - } -#endif /* !OPENSSL_NO_SRP */ - return 1; -err: - return 0; -} - -/* Configure per-SSL callbacks and other properties. */ -static void configure_handshake_ssl(SSL *server, SSL *client, - const SSL_TEST_EXTRA_CONF *extra) -{ - if (extra->client.servername != SSL_TEST_SERVERNAME_NONE) - SSL_set_tlsext_host_name(client, - ssl_servername_name(extra->client.servername)); -} - -/* The status for each connection phase. */ -typedef enum { - PEER_SUCCESS, - PEER_RETRY, - PEER_ERROR, - PEER_WAITING, - PEER_TEST_FAILURE -} peer_status_t; - -/* An SSL object and associated read-write buffers. */ -typedef struct peer_st { - SSL *ssl; - /* Buffer lengths are int to match the SSL read/write API. */ - unsigned char *write_buf; - int write_buf_len; - unsigned char *read_buf; - int read_buf_len; - int bytes_to_write; - int bytes_to_read; - peer_status_t status; -} PEER; - -static int create_peer(PEER *peer, SSL_CTX *ctx) -{ - static const int peer_buffer_size = 64 * 1024; - SSL *ssl = NULL; - unsigned char *read_buf = NULL, *write_buf = NULL; - - if (!TEST_ptr(ssl = SSL_new(ctx)) - || !TEST_ptr(write_buf = OPENSSL_zalloc(peer_buffer_size)) - || !TEST_ptr(read_buf = OPENSSL_zalloc(peer_buffer_size))) - goto err; - - peer->ssl = ssl; - peer->write_buf = write_buf; - peer->read_buf = read_buf; - peer->write_buf_len = peer->read_buf_len = peer_buffer_size; - return 1; -err: - SSL_free(ssl); - OPENSSL_free(write_buf); - OPENSSL_free(read_buf); - return 0; -} - -static void peer_free_data(PEER *peer) -{ - SSL_free(peer->ssl); - OPENSSL_free(peer->write_buf); - OPENSSL_free(peer->read_buf); -} - -/* - * Note that we could do the handshake transparently under an SSL_write, - * but separating the steps is more helpful for debugging test failures. - */ -static void do_handshake_step(PEER *peer) -{ - if (!TEST_int_eq(peer->status, PEER_RETRY)) { - peer->status = PEER_TEST_FAILURE; - } else { - int ret = SSL_do_handshake(peer->ssl); - - if (ret == 1) { - peer->status = PEER_SUCCESS; - } else if (ret == 0) { - peer->status = PEER_ERROR; - } else { - int error = SSL_get_error(peer->ssl, ret); - /* Memory bios should never block with SSL_ERROR_WANT_WRITE. */ - if (error != SSL_ERROR_WANT_READ) - peer->status = PEER_ERROR; - } - } -} - -/*- - * Send/receive some application data. The read-write sequence is - * Peer A: (R) W - first read will yield no data - * Peer B: R W - * ... - * Peer A: R W - * Peer B: R W - * Peer A: R - */ -static void do_app_data_step(PEER *peer) -{ - int ret = 1, write_bytes; - - if (!TEST_int_eq(peer->status, PEER_RETRY)) { - peer->status = PEER_TEST_FAILURE; - return; - } - - /* We read everything available... */ - while (ret > 0 && peer->bytes_to_read) { - ret = SSL_read(peer->ssl, peer->read_buf, peer->read_buf_len); - if (ret > 0) { - if (!TEST_int_le(ret, peer->bytes_to_read)) { - peer->status = PEER_TEST_FAILURE; - return; - } - peer->bytes_to_read -= ret; - } else if (ret == 0) { - peer->status = PEER_ERROR; - return; - } else { - int error = SSL_get_error(peer->ssl, ret); - if (error != SSL_ERROR_WANT_READ) { - peer->status = PEER_ERROR; - return; - } /* Else continue with write. */ - } - } - - /* ... but we only write one write-buffer-full of data. */ - write_bytes = peer->bytes_to_write < peer->write_buf_len ? peer->bytes_to_write : - peer->write_buf_len; - if (write_bytes) { - ret = SSL_write(peer->ssl, peer->write_buf, write_bytes); - if (ret > 0) { - /* SSL_write will only succeed with a complete write. */ - if (!TEST_int_eq(ret, write_bytes)) { - peer->status = PEER_TEST_FAILURE; - return; - } - peer->bytes_to_write -= ret; - } else { - /* - * We should perhaps check for SSL_ERROR_WANT_READ/WRITE here - * but this doesn't yet occur with current app data sizes. - */ - peer->status = PEER_ERROR; - return; - } - } - - /* - * We could simply finish when there was nothing to read, and we have - * nothing left to write. But keeping track of the expected number of bytes - * to read gives us somewhat better guarantees that all data sent is in fact - * received. - */ - if (!peer->bytes_to_write && !peer->bytes_to_read) { - peer->status = PEER_SUCCESS; - } -} - -static void do_reneg_setup_step(const SSL_TEST_CTX *test_ctx, PEER *peer) -{ - int ret; - char buf; - - if (peer->status == PEER_SUCCESS) { - /* - * We are a client that succeeded this step previously, but the server - * wanted to retry. Probably there is a no_renegotiation warning alert - * waiting for us. Attempt to continue the handshake. - */ - peer->status = PEER_RETRY; - do_handshake_step(peer); - return; - } - - if (!TEST_int_eq(peer->status, PEER_RETRY) - || !TEST_true(test_ctx->handshake_mode - == SSL_TEST_HANDSHAKE_RENEG_SERVER - || test_ctx->handshake_mode - == SSL_TEST_HANDSHAKE_RENEG_CLIENT - || test_ctx->handshake_mode - == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER - || test_ctx->handshake_mode - == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT)) { - peer->status = PEER_TEST_FAILURE; - return; - } - - /* Reset the count of the amount of app data we need to read/write */ - peer->bytes_to_write = peer->bytes_to_read = test_ctx->app_data_size; - - /* Check if we are the peer that is going to initiate */ - if ((test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER - && SSL_is_server(peer->ssl)) - || (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT - && !SSL_is_server(peer->ssl))) { - /* - * If we already asked for a renegotiation then fall through to the - * SSL_read() below. - */ - if (!SSL_renegotiate_pending(peer->ssl)) { - /* - * If we are the client we will always attempt to resume the - * session. The server may or may not resume dependent on the - * setting of SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION - */ - if (SSL_is_server(peer->ssl)) { - ret = SSL_renegotiate(peer->ssl); - } else { - if (test_ctx->extra.client.reneg_ciphers != NULL) { - if (!SSL_set_cipher_list(peer->ssl, - test_ctx->extra.client.reneg_ciphers)) { - peer->status = PEER_ERROR; - return; - } - ret = SSL_renegotiate(peer->ssl); - } else { - ret = SSL_renegotiate_abbreviated(peer->ssl); - } - } - if (!ret) { - peer->status = PEER_ERROR; - return; - } - do_handshake_step(peer); - /* - * If status is PEER_RETRY it means we're waiting on the peer to - * continue the handshake. As far as setting up the renegotiation is - * concerned that is a success. The next step will continue the - * handshake to its conclusion. - * - * If status is PEER_SUCCESS then we are the server and we have - * successfully sent the HelloRequest. We need to continue to wait - * until the handshake arrives from the client. - */ - if (peer->status == PEER_RETRY) - peer->status = PEER_SUCCESS; - else if (peer->status == PEER_SUCCESS) - peer->status = PEER_RETRY; - return; - } - } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER - || test_ctx->handshake_mode - == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT) { - if (SSL_is_server(peer->ssl) - != (test_ctx->handshake_mode - == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER)) { - peer->status = PEER_SUCCESS; - return; - } - - ret = SSL_key_update(peer->ssl, test_ctx->key_update_type); - if (!ret) { - peer->status = PEER_ERROR; - return; - } - do_handshake_step(peer); - /* - * This is a one step handshake. We shouldn't get anything other than - * PEER_SUCCESS - */ - if (peer->status != PEER_SUCCESS) - peer->status = PEER_ERROR; - return; - } - - /* - * The SSL object is still expecting app data, even though it's going to - * get a handshake message. We try to read, and it should fail - after which - * we should be in a handshake - */ - ret = SSL_read(peer->ssl, &buf, sizeof(buf)); - if (ret >= 0) { - /* - * We're not actually expecting data - we're expecting a reneg to - * start - */ - peer->status = PEER_ERROR; - return; - } else { - int error = SSL_get_error(peer->ssl, ret); - if (error != SSL_ERROR_WANT_READ) { - peer->status = PEER_ERROR; - return; - } - /* If we're not in init yet then we're not done with setup yet */ - if (!SSL_in_init(peer->ssl)) - return; - } - - peer->status = PEER_SUCCESS; -} - - -/* - * RFC 5246 says: - * - * Note that as of TLS 1.1, - * failure to properly close a connection no longer requires that a - * session not be resumed. This is a change from TLS 1.0 to conform - * with widespread implementation practice. - * - * However, - * (a) OpenSSL requires that a connection be shutdown for all protocol versions. - * (b) We test lower versions, too. - * So we just implement shutdown. We do a full bidirectional shutdown so that we - * can compare sent and received close_notify alerts and get some test coverage - * for SSL_shutdown as a bonus. - */ -static void do_shutdown_step(PEER *peer) -{ - int ret; - - if (!TEST_int_eq(peer->status, PEER_RETRY)) { - peer->status = PEER_TEST_FAILURE; - return; - } - ret = SSL_shutdown(peer->ssl); - - if (ret == 1) { - peer->status = PEER_SUCCESS; - } else if (ret < 0) { /* On 0, we retry. */ - int error = SSL_get_error(peer->ssl, ret); - - if (error != SSL_ERROR_WANT_READ && error != SSL_ERROR_WANT_WRITE) - peer->status = PEER_ERROR; - } -} - -typedef enum { - HANDSHAKE, - RENEG_APPLICATION_DATA, - RENEG_SETUP, - RENEG_HANDSHAKE, - APPLICATION_DATA, - SHUTDOWN, - CONNECTION_DONE -} connect_phase_t; - -static connect_phase_t next_phase(const SSL_TEST_CTX *test_ctx, - connect_phase_t phase) -{ - switch (phase) { - case HANDSHAKE: - if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER - || test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT - || test_ctx->handshake_mode - == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT - || test_ctx->handshake_mode - == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER) - return RENEG_APPLICATION_DATA; - return APPLICATION_DATA; - case RENEG_APPLICATION_DATA: - return RENEG_SETUP; - case RENEG_SETUP: - if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER - || test_ctx->handshake_mode - == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT) - return APPLICATION_DATA; - return RENEG_HANDSHAKE; - case RENEG_HANDSHAKE: - return APPLICATION_DATA; - case APPLICATION_DATA: - return SHUTDOWN; - case SHUTDOWN: - return CONNECTION_DONE; - case CONNECTION_DONE: - TEST_error("Trying to progress after connection done"); - break; - } - return -1; -} - -static void do_connect_step(const SSL_TEST_CTX *test_ctx, PEER *peer, - connect_phase_t phase) -{ - switch (phase) { - case HANDSHAKE: - do_handshake_step(peer); - break; - case RENEG_APPLICATION_DATA: - do_app_data_step(peer); - break; - case RENEG_SETUP: - do_reneg_setup_step(test_ctx, peer); - break; - case RENEG_HANDSHAKE: - do_handshake_step(peer); - break; - case APPLICATION_DATA: - do_app_data_step(peer); - break; - case SHUTDOWN: - do_shutdown_step(peer); - break; - case CONNECTION_DONE: - TEST_error("Action after connection done"); - break; - } -} - -typedef enum { - /* Both parties succeeded. */ - HANDSHAKE_SUCCESS, - /* Client errored. */ - CLIENT_ERROR, - /* Server errored. */ - SERVER_ERROR, - /* Peers are in inconsistent state. */ - INTERNAL_ERROR, - /* One or both peers not done. */ - HANDSHAKE_RETRY -} handshake_status_t; - -/* - * Determine the handshake outcome. - * last_status: the status of the peer to have acted last. - * previous_status: the status of the peer that didn't act last. - * client_spoke_last: 1 if the client went last. - */ -static handshake_status_t handshake_status(peer_status_t last_status, - peer_status_t previous_status, - int client_spoke_last) -{ - switch (last_status) { - case PEER_TEST_FAILURE: - return INTERNAL_ERROR; - - case PEER_WAITING: - /* Shouldn't ever happen */ - return INTERNAL_ERROR; - - case PEER_SUCCESS: - switch (previous_status) { - case PEER_TEST_FAILURE: - return INTERNAL_ERROR; - case PEER_SUCCESS: - /* Both succeeded. */ - return HANDSHAKE_SUCCESS; - case PEER_WAITING: - case PEER_RETRY: - /* Let the first peer finish. */ - return HANDSHAKE_RETRY; - case PEER_ERROR: - /* - * Second peer succeeded despite the fact that the first peer - * already errored. This shouldn't happen. - */ - return INTERNAL_ERROR; - } - - case PEER_RETRY: - return HANDSHAKE_RETRY; - - case PEER_ERROR: - switch (previous_status) { - case PEER_TEST_FAILURE: - return INTERNAL_ERROR; - case PEER_WAITING: - /* The client failed immediately before sending the ClientHello */ - return client_spoke_last ? CLIENT_ERROR : INTERNAL_ERROR; - case PEER_SUCCESS: - /* - * First peer succeeded but second peer errored. - * TODO(emilia): we should be able to continue here (with some - * application data?) to ensure the first peer receives the - * alert / close_notify. - * (No tests currently exercise this branch.) - */ - return client_spoke_last ? CLIENT_ERROR : SERVER_ERROR; - case PEER_RETRY: - /* We errored; let the peer finish. */ - return HANDSHAKE_RETRY; - case PEER_ERROR: - /* Both peers errored. Return the one that errored first. */ - return client_spoke_last ? SERVER_ERROR : CLIENT_ERROR; - } - } - /* Control should never reach here. */ - return INTERNAL_ERROR; -} - -/* Convert unsigned char buf's that shouldn't contain any NUL-bytes to char. */ -static char *dup_str(const unsigned char *in, size_t len) -{ - char *ret = NULL; - - if (len == 0) - return NULL; - - /* Assert that the string does not contain NUL-bytes. */ - if (TEST_size_t_eq(OPENSSL_strnlen((const char*)(in), len), len)) - TEST_ptr(ret = OPENSSL_strndup((const char*)(in), len)); - return ret; -} - -static int pkey_type(EVP_PKEY *pkey) -{ - int nid = EVP_PKEY_id(pkey); - -#ifndef OPENSSL_NO_EC - if (nid == EVP_PKEY_EC) { - const EC_KEY *ec = EVP_PKEY_get0_EC_KEY(pkey); - return EC_GROUP_get_curve_name(EC_KEY_get0_group(ec)); - } -#endif - return nid; -} - -static int peer_pkey_type(SSL *s) -{ - X509 *x = SSL_get_peer_certificate(s); - - if (x != NULL) { - int nid = pkey_type(X509_get0_pubkey(x)); - - X509_free(x); - return nid; - } - return NID_undef; -} - -#if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK) -static int set_sock_as_sctp(int sock) -{ - /* - * For SCTP we have to set various options on the socket prior to - * connecting. This is done automatically by BIO_new_dgram_sctp(). - * We don't actually need the created BIO though so we free it again - * immediately. - */ - BIO *tmpbio = BIO_new_dgram_sctp(sock, BIO_NOCLOSE); - - if (tmpbio == NULL) - return 0; - BIO_free(tmpbio); - - return 1; -} - -static int create_sctp_socks(int *ssock, int *csock) -{ - BIO_ADDRINFO *res = NULL; - const BIO_ADDRINFO *ai = NULL; - int lsock = INVALID_SOCKET, asock = INVALID_SOCKET; - int consock = INVALID_SOCKET; - int ret = 0; - int family = 0; - - if (BIO_sock_init() != 1) - return 0; - - /* - * Port is 4463. It could be anything. It will fail if it's already being - * used for some other SCTP service. It seems unlikely though so we don't - * worry about it here. - */ - if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_SERVER, family, SOCK_STREAM, - IPPROTO_SCTP, &res)) - return 0; - - for (ai = res; ai != NULL; ai = BIO_ADDRINFO_next(ai)) { - family = BIO_ADDRINFO_family(ai); - lsock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0); - if (lsock == INVALID_SOCKET) { - /* Maybe the kernel doesn't support the socket family, even if - * BIO_lookup() added it in the returned result... - */ - continue; - } - - if (!set_sock_as_sctp(lsock) - || !BIO_listen(lsock, BIO_ADDRINFO_address(ai), - BIO_SOCK_REUSEADDR)) { - BIO_closesocket(lsock); - lsock = INVALID_SOCKET; - continue; - } - - /* Success, don't try any more addresses */ - break; - } - - if (lsock == INVALID_SOCKET) - goto err; - - BIO_ADDRINFO_free(res); - res = NULL; - - if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_CLIENT, family, SOCK_STREAM, - IPPROTO_SCTP, &res)) - goto err; - - consock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0); - if (consock == INVALID_SOCKET) - goto err; - - if (!set_sock_as_sctp(consock) - || !BIO_connect(consock, BIO_ADDRINFO_address(res), 0) - || !BIO_socket_nbio(consock, 1)) - goto err; - - asock = BIO_accept_ex(lsock, NULL, BIO_SOCK_NONBLOCK); - if (asock == INVALID_SOCKET) - goto err; - - *csock = consock; - *ssock = asock; - consock = asock = INVALID_SOCKET; - ret = 1; - - err: - BIO_ADDRINFO_free(res); - if (consock != INVALID_SOCKET) - BIO_closesocket(consock); - if (lsock != INVALID_SOCKET) - BIO_closesocket(lsock); - if (asock != INVALID_SOCKET) - BIO_closesocket(asock); - return ret; -} -#endif - -/* - * Note that |extra| points to the correct client/server configuration - * within |test_ctx|. When configuring the handshake, general mode settings - * are taken from |test_ctx|, and client/server-specific settings should be - * taken from |extra|. - * - * The configuration code should never reach into |test_ctx->extra| or - * |test_ctx->resume_extra| directly. - * - * (We could refactor test mode settings into a substructure. This would result - * in cleaner argument passing but would complicate the test configuration - * parsing.) - */ -static HANDSHAKE_RESULT *do_handshake_internal( - SSL_CTX *server_ctx, SSL_CTX *server2_ctx, SSL_CTX *client_ctx, - const SSL_TEST_CTX *test_ctx, const SSL_TEST_EXTRA_CONF *extra, - SSL_SESSION *session_in, SSL_SESSION **session_out) -{ - PEER server, client; - BIO *client_to_server = NULL, *server_to_client = NULL; - HANDSHAKE_EX_DATA server_ex_data, client_ex_data; - CTX_DATA client_ctx_data, server_ctx_data, server2_ctx_data; - HANDSHAKE_RESULT *ret = HANDSHAKE_RESULT_new(); - int client_turn = 1, client_turn_count = 0; - connect_phase_t phase = HANDSHAKE; - handshake_status_t status = HANDSHAKE_RETRY; - const unsigned char* tick = NULL; - size_t tick_len = 0; - const unsigned char* sess_id = NULL; - unsigned int sess_id_len = 0; - SSL_SESSION* sess = NULL; - const unsigned char *proto = NULL; - /* API dictates unsigned int rather than size_t. */ - unsigned int proto_len = 0; - EVP_PKEY *tmp_key; - const STACK_OF(X509_NAME) *names; - time_t start; - const char* cipher; - - if (ret == NULL) - return NULL; - - memset(&server_ctx_data, 0, sizeof(server_ctx_data)); - memset(&server2_ctx_data, 0, sizeof(server2_ctx_data)); - memset(&client_ctx_data, 0, sizeof(client_ctx_data)); - memset(&server, 0, sizeof(server)); - memset(&client, 0, sizeof(client)); - memset(&server_ex_data, 0, sizeof(server_ex_data)); - memset(&client_ex_data, 0, sizeof(client_ex_data)); - - if (!configure_handshake_ctx(server_ctx, server2_ctx, client_ctx, - test_ctx, extra, &server_ctx_data, - &server2_ctx_data, &client_ctx_data)) { - TEST_note("configure_handshake_ctx"); - return NULL; - } - - /* Setup SSL and buffers; additional configuration happens below. */ - if (!create_peer(&server, server_ctx)) { - TEST_note("creating server context"); - goto err; - } - if (!create_peer(&client, client_ctx)) { - TEST_note("creating client context"); - goto err; - } - - server.bytes_to_write = client.bytes_to_read = test_ctx->app_data_size; - client.bytes_to_write = server.bytes_to_read = test_ctx->app_data_size; - - configure_handshake_ssl(server.ssl, client.ssl, extra); - if (session_in != NULL) { - /* In case we're testing resumption without tickets. */ - if (!TEST_true(SSL_CTX_add_session(server_ctx, session_in)) - || !TEST_true(SSL_set_session(client.ssl, session_in))) - goto err; - } - - ret->result = SSL_TEST_INTERNAL_ERROR; - - if (test_ctx->use_sctp) { -#if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK) - int csock, ssock; - - if (create_sctp_socks(&ssock, &csock)) { - client_to_server = BIO_new_dgram_sctp(csock, BIO_CLOSE); - server_to_client = BIO_new_dgram_sctp(ssock, BIO_CLOSE); - } -#endif - } else { - client_to_server = BIO_new(BIO_s_mem()); - server_to_client = BIO_new(BIO_s_mem()); - } - - if (!TEST_ptr(client_to_server) - || !TEST_ptr(server_to_client)) - goto err; - - /* Non-blocking bio. */ - BIO_set_nbio(client_to_server, 1); - BIO_set_nbio(server_to_client, 1); - - SSL_set_connect_state(client.ssl); - SSL_set_accept_state(server.ssl); - - /* The bios are now owned by the SSL object. */ - if (test_ctx->use_sctp) { - SSL_set_bio(client.ssl, client_to_server, client_to_server); - SSL_set_bio(server.ssl, server_to_client, server_to_client); - } else { - SSL_set_bio(client.ssl, server_to_client, client_to_server); - if (!TEST_int_gt(BIO_up_ref(server_to_client), 0) - || !TEST_int_gt(BIO_up_ref(client_to_server), 0)) - goto err; - SSL_set_bio(server.ssl, client_to_server, server_to_client); - } - - ex_data_idx = SSL_get_ex_new_index(0, "ex data", NULL, NULL, NULL); - if (!TEST_int_ge(ex_data_idx, 0) - || !TEST_int_eq(SSL_set_ex_data(server.ssl, ex_data_idx, &server_ex_data), 1) - || !TEST_int_eq(SSL_set_ex_data(client.ssl, ex_data_idx, &client_ex_data), 1)) - goto err; - - SSL_set_info_callback(server.ssl, &info_cb); - SSL_set_info_callback(client.ssl, &info_cb); - - client.status = PEER_RETRY; - server.status = PEER_WAITING; - - start = time(NULL); - - /* - * Half-duplex handshake loop. - * Client and server speak to each other synchronously in the same process. - * We use non-blocking BIOs, so whenever one peer blocks for read, it - * returns PEER_RETRY to indicate that it's the other peer's turn to write. - * The handshake succeeds once both peers have succeeded. If one peer - * errors out, we also let the other peer retry (and presumably fail). - */ - for(;;) { - if (client_turn) { - do_connect_step(test_ctx, &client, phase); - status = handshake_status(client.status, server.status, - 1 /* client went last */); - if (server.status == PEER_WAITING) - server.status = PEER_RETRY; - } else { - do_connect_step(test_ctx, &server, phase); - status = handshake_status(server.status, client.status, - 0 /* server went last */); - } - - switch (status) { - case HANDSHAKE_SUCCESS: - client_turn_count = 0; - phase = next_phase(test_ctx, phase); - if (phase == CONNECTION_DONE) { - ret->result = SSL_TEST_SUCCESS; - goto err; - } else { - client.status = server.status = PEER_RETRY; - /* - * For now, client starts each phase. Since each phase is - * started separately, we can later control this more - * precisely, for example, to test client-initiated and - * server-initiated shutdown. - */ - client_turn = 1; - break; - } - case CLIENT_ERROR: - ret->result = SSL_TEST_CLIENT_FAIL; - goto err; - case SERVER_ERROR: - ret->result = SSL_TEST_SERVER_FAIL; - goto err; - case INTERNAL_ERROR: - ret->result = SSL_TEST_INTERNAL_ERROR; - goto err; - case HANDSHAKE_RETRY: - if (test_ctx->use_sctp) { - if (time(NULL) - start > 3) { - /* - * We've waited for too long. Give up. - */ - ret->result = SSL_TEST_INTERNAL_ERROR; - goto err; - } - /* - * With "real" sockets we only swap to processing the peer - * if they are expecting to retry. Otherwise we just retry the - * same endpoint again. - */ - if ((client_turn && server.status == PEER_RETRY) - || (!client_turn && client.status == PEER_RETRY)) - client_turn ^= 1; - } else { - if (client_turn_count++ >= 2000) { - /* - * At this point, there's been so many PEER_RETRY in a row - * that it's likely both sides are stuck waiting for a read. - * It's time to give up. - */ - ret->result = SSL_TEST_INTERNAL_ERROR; - goto err; - } - - /* Continue. */ - client_turn ^= 1; - } - break; - } - } - err: - ret->server_alert_sent = server_ex_data.alert_sent; - ret->server_num_fatal_alerts_sent = server_ex_data.num_fatal_alerts_sent; - ret->server_alert_received = client_ex_data.alert_received; - ret->client_alert_sent = client_ex_data.alert_sent; - ret->client_num_fatal_alerts_sent = client_ex_data.num_fatal_alerts_sent; - ret->client_alert_received = server_ex_data.alert_received; - ret->server_protocol = SSL_version(server.ssl); - ret->client_protocol = SSL_version(client.ssl); - ret->servername = server_ex_data.servername; - if ((sess = SSL_get0_session(client.ssl)) != NULL) { - SSL_SESSION_get0_ticket(sess, &tick, &tick_len); - sess_id = SSL_SESSION_get_id(sess, &sess_id_len); - } - if (tick == NULL || tick_len == 0) - ret->session_ticket = SSL_TEST_SESSION_TICKET_NO; - else - ret->session_ticket = SSL_TEST_SESSION_TICKET_YES; - ret->compression = (SSL_get_current_compression(client.ssl) == NULL) - ? SSL_TEST_COMPRESSION_NO - : SSL_TEST_COMPRESSION_YES; - if (sess_id == NULL || sess_id_len == 0) - ret->session_id = SSL_TEST_SESSION_ID_NO; - else - ret->session_id = SSL_TEST_SESSION_ID_YES; - ret->session_ticket_do_not_call = server_ex_data.session_ticket_do_not_call; - -#ifndef OPENSSL_NO_NEXTPROTONEG - SSL_get0_next_proto_negotiated(client.ssl, &proto, &proto_len); - ret->client_npn_negotiated = dup_str(proto, proto_len); - - SSL_get0_next_proto_negotiated(server.ssl, &proto, &proto_len); - ret->server_npn_negotiated = dup_str(proto, proto_len); -#endif - - SSL_get0_alpn_selected(client.ssl, &proto, &proto_len); - ret->client_alpn_negotiated = dup_str(proto, proto_len); - - SSL_get0_alpn_selected(server.ssl, &proto, &proto_len); - ret->server_alpn_negotiated = dup_str(proto, proto_len); - - ret->client_resumed = SSL_session_reused(client.ssl); - ret->server_resumed = SSL_session_reused(server.ssl); - - cipher = SSL_CIPHER_get_name(SSL_get_current_cipher(client.ssl)); - ret->cipher = dup_str((const unsigned char*)cipher, strlen(cipher)); - - if (session_out != NULL) - *session_out = SSL_get1_session(client.ssl); - - if (SSL_get_server_tmp_key(client.ssl, &tmp_key)) { - ret->tmp_key_type = pkey_type(tmp_key); - EVP_PKEY_free(tmp_key); - } - - SSL_get_peer_signature_nid(client.ssl, &ret->server_sign_hash); - SSL_get_peer_signature_nid(server.ssl, &ret->client_sign_hash); - - SSL_get_peer_signature_type_nid(client.ssl, &ret->server_sign_type); - SSL_get_peer_signature_type_nid(server.ssl, &ret->client_sign_type); - - names = SSL_get0_peer_CA_list(client.ssl); - if (names == NULL) - ret->client_ca_names = NULL; - else - ret->client_ca_names = SSL_dup_CA_list(names); - - names = SSL_get0_peer_CA_list(server.ssl); - if (names == NULL) - ret->server_ca_names = NULL; - else - ret->server_ca_names = SSL_dup_CA_list(names); - - ret->server_cert_type = peer_pkey_type(client.ssl); - ret->client_cert_type = peer_pkey_type(server.ssl); - - ctx_data_free_data(&server_ctx_data); - ctx_data_free_data(&server2_ctx_data); - ctx_data_free_data(&client_ctx_data); - - peer_free_data(&server); - peer_free_data(&client); - return ret; -} - -HANDSHAKE_RESULT *do_handshake(SSL_CTX *server_ctx, SSL_CTX *server2_ctx, - SSL_CTX *client_ctx, SSL_CTX *resume_server_ctx, - SSL_CTX *resume_client_ctx, - const SSL_TEST_CTX *test_ctx) -{ - HANDSHAKE_RESULT *result; - SSL_SESSION *session = NULL; - - result = do_handshake_internal(server_ctx, server2_ctx, client_ctx, - test_ctx, &test_ctx->extra, - NULL, &session); - if (result == NULL - || test_ctx->handshake_mode != SSL_TEST_HANDSHAKE_RESUME - || result->result == SSL_TEST_INTERNAL_ERROR) - goto end; - - if (result->result != SSL_TEST_SUCCESS) { - result->result = SSL_TEST_FIRST_HANDSHAKE_FAILED; - goto end; - } - - HANDSHAKE_RESULT_free(result); - /* We don't support SNI on second handshake yet, so server2_ctx is NULL. */ - result = do_handshake_internal(resume_server_ctx, NULL, resume_client_ctx, - test_ctx, &test_ctx->resume_extra, - session, NULL); - end: - SSL_SESSION_free(session); - return result; -}