594e7d2b77
Inspired by https://mta.openssl.org/pipermail/openssl-dev/2016-March/006150.html Change-Id: I973b3baf054ed1051002f7bb9941cb1deeb36d78 Reviewed-on: https://boringssl-review.googlesource.com/7504 Reviewed-by: David Benjamin <davidben@google.com>
1601 lines
49 KiB
C++
1601 lines
49 KiB
C++
/* Copyright (c) 2014, Google Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
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#if !defined(__STDC_FORMAT_MACROS)
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#define __STDC_FORMAT_MACROS
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#endif
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#include <openssl/base.h>
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#if !defined(OPENSSL_WINDOWS)
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <netinet/tcp.h>
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#include <signal.h>
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#include <sys/socket.h>
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#include <sys/time.h>
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#include <unistd.h>
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#else
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#include <io.h>
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#pragma warning(push, 3)
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#pragma warning(pop)
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#pragma comment(lib, "Ws2_32.lib")
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#endif
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#include <inttypes.h>
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#include <string.h>
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#include <openssl/bio.h>
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#include <openssl/buf.h>
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#include <openssl/bytestring.h>
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#include <openssl/cipher.h>
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#include <openssl/crypto.h>
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#include <openssl/err.h>
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#include <openssl/hmac.h>
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#include <openssl/obj.h>
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#include <openssl/rand.h>
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#include <openssl/ssl.h>
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#include <memory>
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#include <string>
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#include <vector>
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#include "../../crypto/test/scoped_types.h"
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#include "async_bio.h"
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#include "packeted_bio.h"
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#include "scoped_types.h"
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#include "test_config.h"
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#if !defined(OPENSSL_WINDOWS)
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static int closesocket(int sock) {
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return close(sock);
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}
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static void PrintSocketError(const char *func) {
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perror(func);
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}
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#else
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static void PrintSocketError(const char *func) {
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fprintf(stderr, "%s: %d\n", func, WSAGetLastError());
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}
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#endif
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static int Usage(const char *program) {
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fprintf(stderr, "Usage: %s [flags...]\n", program);
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return 1;
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}
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struct TestState {
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TestState() {
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// MSVC cannot initialize these inline.
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memset(&clock, 0, sizeof(clock));
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memset(&clock_delta, 0, sizeof(clock_delta));
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}
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// async_bio is async BIO which pauses reads and writes.
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BIO *async_bio = nullptr;
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// clock is the current time for the SSL connection.
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timeval clock;
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// clock_delta is how far the clock advanced in the most recent failed
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// |BIO_read|.
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timeval clock_delta;
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ScopedEVP_PKEY channel_id;
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bool cert_ready = false;
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ScopedSSL_SESSION session;
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ScopedSSL_SESSION pending_session;
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bool early_callback_called = false;
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bool handshake_done = false;
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// private_key is the underlying private key used when testing custom keys.
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ScopedEVP_PKEY private_key;
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std::vector<uint8_t> private_key_result;
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// private_key_retries is the number of times an asynchronous private key
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// operation has been retried.
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unsigned private_key_retries = 0;
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bool got_new_session = false;
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};
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static void TestStateExFree(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
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int index, long argl, void *argp) {
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delete ((TestState *)ptr);
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}
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static int g_config_index = 0;
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static int g_state_index = 0;
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static bool SetConfigPtr(SSL *ssl, const TestConfig *config) {
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return SSL_set_ex_data(ssl, g_config_index, (void *)config) == 1;
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}
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static const TestConfig *GetConfigPtr(const SSL *ssl) {
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return (const TestConfig *)SSL_get_ex_data(ssl, g_config_index);
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}
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static bool SetTestState(SSL *ssl, std::unique_ptr<TestState> state) {
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// |SSL_set_ex_data| takes ownership of |state| only on success.
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if (SSL_set_ex_data(ssl, g_state_index, state.get()) == 1) {
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state.release();
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return true;
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}
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return false;
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}
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static TestState *GetTestState(const SSL *ssl) {
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return (TestState *)SSL_get_ex_data(ssl, g_state_index);
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}
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static ScopedX509 LoadCertificate(const std::string &file) {
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ScopedBIO bio(BIO_new(BIO_s_file()));
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if (!bio || !BIO_read_filename(bio.get(), file.c_str())) {
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return nullptr;
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}
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return ScopedX509(PEM_read_bio_X509(bio.get(), NULL, NULL, NULL));
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}
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static ScopedEVP_PKEY LoadPrivateKey(const std::string &file) {
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ScopedBIO bio(BIO_new(BIO_s_file()));
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if (!bio || !BIO_read_filename(bio.get(), file.c_str())) {
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return nullptr;
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}
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return ScopedEVP_PKEY(PEM_read_bio_PrivateKey(bio.get(), NULL, NULL, NULL));
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}
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static int AsyncPrivateKeyType(SSL *ssl) {
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return EVP_PKEY_id(GetTestState(ssl)->private_key.get());
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}
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static size_t AsyncPrivateKeyMaxSignatureLen(SSL *ssl) {
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return EVP_PKEY_size(GetTestState(ssl)->private_key.get());
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}
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static ssl_private_key_result_t AsyncPrivateKeySign(
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SSL *ssl, uint8_t *out, size_t *out_len, size_t max_out,
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const EVP_MD *md, const uint8_t *in, size_t in_len) {
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TestState *test_state = GetTestState(ssl);
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if (!test_state->private_key_result.empty()) {
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fprintf(stderr, "AsyncPrivateKeySign called with operation pending.\n");
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abort();
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}
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ScopedEVP_PKEY_CTX ctx(EVP_PKEY_CTX_new(test_state->private_key.get(),
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nullptr));
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if (!ctx) {
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return ssl_private_key_failure;
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}
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// Write the signature into |test_state|.
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size_t len = 0;
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if (!EVP_PKEY_sign_init(ctx.get()) ||
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!EVP_PKEY_CTX_set_signature_md(ctx.get(), md) ||
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!EVP_PKEY_sign(ctx.get(), nullptr, &len, in, in_len)) {
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return ssl_private_key_failure;
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}
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test_state->private_key_result.resize(len);
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if (!EVP_PKEY_sign(ctx.get(), test_state->private_key_result.data(), &len, in,
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in_len)) {
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return ssl_private_key_failure;
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}
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test_state->private_key_result.resize(len);
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// The signature will be released asynchronously in
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// |AsyncPrivateKeySignComplete|.
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return ssl_private_key_retry;
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}
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static ssl_private_key_result_t AsyncPrivateKeySignComplete(
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SSL *ssl, uint8_t *out, size_t *out_len, size_t max_out) {
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TestState *test_state = GetTestState(ssl);
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if (test_state->private_key_result.empty()) {
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fprintf(stderr,
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"AsyncPrivateKeySignComplete called without operation pending.\n");
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abort();
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}
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if (test_state->private_key_retries < 2) {
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// Only return the signature on the second attempt, to test both incomplete
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// |sign| and |sign_complete|.
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return ssl_private_key_retry;
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}
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if (max_out < test_state->private_key_result.size()) {
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fprintf(stderr, "Output buffer too small.\n");
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return ssl_private_key_failure;
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}
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memcpy(out, test_state->private_key_result.data(),
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test_state->private_key_result.size());
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*out_len = test_state->private_key_result.size();
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test_state->private_key_result.clear();
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test_state->private_key_retries = 0;
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return ssl_private_key_success;
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}
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static ssl_private_key_result_t AsyncPrivateKeyDecrypt(
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SSL *ssl, uint8_t *out, size_t *out_len, size_t max_out,
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const uint8_t *in, size_t in_len) {
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TestState *test_state = GetTestState(ssl);
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if (!test_state->private_key_result.empty()) {
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fprintf(stderr,
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"AsyncPrivateKeyDecrypt called with operation pending.\n");
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abort();
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}
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RSA *rsa = EVP_PKEY_get0_RSA(test_state->private_key.get());
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if (rsa == NULL) {
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fprintf(stderr,
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"AsyncPrivateKeyDecrypt called with incorrect key type.\n");
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abort();
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}
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test_state->private_key_result.resize(RSA_size(rsa));
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if (!RSA_decrypt(rsa, out_len, test_state->private_key_result.data(),
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RSA_size(rsa), in, in_len, RSA_NO_PADDING)) {
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return ssl_private_key_failure;
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}
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test_state->private_key_result.resize(*out_len);
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// The decryption will be released asynchronously in
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// |AsyncPrivateKeyDecryptComplete|.
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return ssl_private_key_retry;
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}
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static ssl_private_key_result_t AsyncPrivateKeyDecryptComplete(
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SSL *ssl, uint8_t *out, size_t *out_len, size_t max_out) {
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TestState *test_state = GetTestState(ssl);
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if (test_state->private_key_result.empty()) {
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fprintf(stderr,
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"AsyncPrivateKeyDecryptComplete called without operation "
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"pending.\n");
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abort();
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}
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if (test_state->private_key_retries < 2) {
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// Only return the decryption on the second attempt, to test both incomplete
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// |decrypt| and |decrypt_complete|.
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return ssl_private_key_retry;
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}
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if (max_out < test_state->private_key_result.size()) {
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fprintf(stderr, "Output buffer too small.\n");
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return ssl_private_key_failure;
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}
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memcpy(out, test_state->private_key_result.data(),
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test_state->private_key_result.size());
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*out_len = test_state->private_key_result.size();
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test_state->private_key_result.clear();
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test_state->private_key_retries = 0;
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return ssl_private_key_success;
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}
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static const SSL_PRIVATE_KEY_METHOD g_async_private_key_method = {
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AsyncPrivateKeyType,
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AsyncPrivateKeyMaxSignatureLen,
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AsyncPrivateKeySign,
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AsyncPrivateKeySignComplete,
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AsyncPrivateKeyDecrypt,
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AsyncPrivateKeyDecryptComplete
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};
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template<typename T>
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struct Free {
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void operator()(T *buf) {
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free(buf);
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}
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};
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static bool GetCertificate(SSL *ssl, ScopedX509 *out_x509,
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ScopedEVP_PKEY *out_pkey) {
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const TestConfig *config = GetConfigPtr(ssl);
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if (!config->digest_prefs.empty()) {
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std::unique_ptr<char, Free<char>> digest_prefs(
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strdup(config->digest_prefs.c_str()));
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std::vector<int> digest_list;
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for (;;) {
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char *token =
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strtok(digest_list.empty() ? digest_prefs.get() : nullptr, ",");
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if (token == nullptr) {
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break;
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}
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digest_list.push_back(EVP_MD_type(EVP_get_digestbyname(token)));
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}
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if (!SSL_set_private_key_digest_prefs(ssl, digest_list.data(),
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digest_list.size())) {
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return false;
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}
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}
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if (!config->key_file.empty()) {
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*out_pkey = LoadPrivateKey(config->key_file.c_str());
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if (!*out_pkey) {
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return false;
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}
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}
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if (!config->cert_file.empty()) {
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*out_x509 = LoadCertificate(config->cert_file.c_str());
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if (!*out_x509) {
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return false;
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}
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}
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if (!config->ocsp_response.empty() &&
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!SSL_CTX_set_ocsp_response(ssl->ctx,
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(const uint8_t *)config->ocsp_response.data(),
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config->ocsp_response.size())) {
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return false;
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}
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return true;
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}
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static bool InstallCertificate(SSL *ssl) {
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ScopedX509 x509;
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ScopedEVP_PKEY pkey;
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if (!GetCertificate(ssl, &x509, &pkey)) {
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return false;
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}
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if (pkey) {
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TestState *test_state = GetTestState(ssl);
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const TestConfig *config = GetConfigPtr(ssl);
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if (config->async) {
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test_state->private_key = std::move(pkey);
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SSL_set_private_key_method(ssl, &g_async_private_key_method);
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} else if (!SSL_use_PrivateKey(ssl, pkey.get())) {
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return false;
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}
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}
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if (x509 && !SSL_use_certificate(ssl, x509.get())) {
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return false;
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}
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return true;
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}
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static int SelectCertificateCallback(const struct ssl_early_callback_ctx *ctx) {
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const TestConfig *config = GetConfigPtr(ctx->ssl);
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GetTestState(ctx->ssl)->early_callback_called = true;
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if (!config->expected_server_name.empty()) {
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const uint8_t *extension_data;
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size_t extension_len;
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CBS extension, server_name_list, host_name;
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uint8_t name_type;
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if (!SSL_early_callback_ctx_extension_get(ctx, TLSEXT_TYPE_server_name,
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&extension_data,
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&extension_len)) {
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fprintf(stderr, "Could not find server_name extension.\n");
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return -1;
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}
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CBS_init(&extension, extension_data, extension_len);
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if (!CBS_get_u16_length_prefixed(&extension, &server_name_list) ||
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CBS_len(&extension) != 0 ||
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!CBS_get_u8(&server_name_list, &name_type) ||
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name_type != TLSEXT_NAMETYPE_host_name ||
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!CBS_get_u16_length_prefixed(&server_name_list, &host_name) ||
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CBS_len(&server_name_list) != 0) {
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fprintf(stderr, "Could not decode server_name extension.\n");
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return -1;
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}
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if (!CBS_mem_equal(&host_name,
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(const uint8_t*)config->expected_server_name.data(),
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config->expected_server_name.size())) {
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fprintf(stderr, "Server name mismatch.\n");
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}
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}
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if (config->fail_early_callback) {
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return -1;
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}
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// Install the certificate in the early callback.
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if (config->use_early_callback) {
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if (config->async) {
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// Install the certificate asynchronously.
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return 0;
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}
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if (!InstallCertificate(ctx->ssl)) {
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return -1;
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}
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}
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return 1;
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}
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static int ClientCertCallback(SSL *ssl, X509 **out_x509, EVP_PKEY **out_pkey) {
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if (GetConfigPtr(ssl)->async && !GetTestState(ssl)->cert_ready) {
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return -1;
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}
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ScopedX509 x509;
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ScopedEVP_PKEY pkey;
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if (!GetCertificate(ssl, &x509, &pkey)) {
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return -1;
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}
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// Return zero for no certificate.
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if (!x509) {
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return 0;
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}
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// Asynchronous private keys are not supported with client_cert_cb.
|
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*out_x509 = x509.release();
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*out_pkey = pkey.release();
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return 1;
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}
|
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static int VerifySucceed(X509_STORE_CTX *store_ctx, void *arg) {
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SSL* ssl = (SSL*)X509_STORE_CTX_get_ex_data(store_ctx,
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SSL_get_ex_data_X509_STORE_CTX_idx());
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const TestConfig *config = GetConfigPtr(ssl);
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if (!config->expected_ocsp_response.empty()) {
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const uint8_t *data;
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size_t len;
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SSL_get0_ocsp_response(ssl, &data, &len);
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if (len == 0) {
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fprintf(stderr, "OCSP response not available in verify callback\n");
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return 0;
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}
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}
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return 1;
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}
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static int VerifyFail(X509_STORE_CTX *store_ctx, void *arg) {
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store_ctx->error = X509_V_ERR_APPLICATION_VERIFICATION;
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return 0;
|
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}
|
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|
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static int NextProtosAdvertisedCallback(SSL *ssl, const uint8_t **out,
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unsigned int *out_len, void *arg) {
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const TestConfig *config = GetConfigPtr(ssl);
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if (config->advertise_npn.empty()) {
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return SSL_TLSEXT_ERR_NOACK;
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}
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*out = (const uint8_t*)config->advertise_npn.data();
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*out_len = config->advertise_npn.size();
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return SSL_TLSEXT_ERR_OK;
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||
}
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||
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static int NextProtoSelectCallback(SSL* ssl, uint8_t** out, uint8_t* outlen,
|
||
const uint8_t* in, unsigned inlen, void* arg) {
|
||
const TestConfig *config = GetConfigPtr(ssl);
|
||
if (config->select_next_proto.empty()) {
|
||
return SSL_TLSEXT_ERR_NOACK;
|
||
}
|
||
|
||
*out = (uint8_t*)config->select_next_proto.data();
|
||
*outlen = config->select_next_proto.size();
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||
return SSL_TLSEXT_ERR_OK;
|
||
}
|
||
|
||
static int AlpnSelectCallback(SSL* ssl, const uint8_t** out, uint8_t* outlen,
|
||
const uint8_t* in, unsigned inlen, void* arg) {
|
||
const TestConfig *config = GetConfigPtr(ssl);
|
||
if (config->decline_alpn) {
|
||
return SSL_TLSEXT_ERR_NOACK;
|
||
}
|
||
|
||
if (!config->expected_advertised_alpn.empty() &&
|
||
(config->expected_advertised_alpn.size() != inlen ||
|
||
memcmp(config->expected_advertised_alpn.data(),
|
||
in, inlen) != 0)) {
|
||
fprintf(stderr, "bad ALPN select callback inputs\n");
|
||
exit(1);
|
||
}
|
||
|
||
*out = (const uint8_t*)config->select_alpn.data();
|
||
*outlen = config->select_alpn.size();
|
||
return SSL_TLSEXT_ERR_OK;
|
||
}
|
||
|
||
static unsigned PskClientCallback(SSL *ssl, const char *hint,
|
||
char *out_identity,
|
||
unsigned max_identity_len,
|
||
uint8_t *out_psk, unsigned max_psk_len) {
|
||
const TestConfig *config = GetConfigPtr(ssl);
|
||
|
||
if (strcmp(hint ? hint : "", config->psk_identity.c_str()) != 0) {
|
||
fprintf(stderr, "Server PSK hint did not match.\n");
|
||
return 0;
|
||
}
|
||
|
||
// Account for the trailing '\0' for the identity.
|
||
if (config->psk_identity.size() >= max_identity_len ||
|
||
config->psk.size() > max_psk_len) {
|
||
fprintf(stderr, "PSK buffers too small\n");
|
||
return 0;
|
||
}
|
||
|
||
BUF_strlcpy(out_identity, config->psk_identity.c_str(),
|
||
max_identity_len);
|
||
memcpy(out_psk, config->psk.data(), config->psk.size());
|
||
return config->psk.size();
|
||
}
|
||
|
||
static unsigned PskServerCallback(SSL *ssl, const char *identity,
|
||
uint8_t *out_psk, unsigned max_psk_len) {
|
||
const TestConfig *config = GetConfigPtr(ssl);
|
||
|
||
if (strcmp(identity, config->psk_identity.c_str()) != 0) {
|
||
fprintf(stderr, "Client PSK identity did not match.\n");
|
||
return 0;
|
||
}
|
||
|
||
if (config->psk.size() > max_psk_len) {
|
||
fprintf(stderr, "PSK buffers too small\n");
|
||
return 0;
|
||
}
|
||
|
||
memcpy(out_psk, config->psk.data(), config->psk.size());
|
||
return config->psk.size();
|
||
}
|
||
|
||
static void CurrentTimeCallback(const SSL *ssl, timeval *out_clock) {
|
||
*out_clock = GetTestState(ssl)->clock;
|
||
}
|
||
|
||
static void ChannelIdCallback(SSL *ssl, EVP_PKEY **out_pkey) {
|
||
*out_pkey = GetTestState(ssl)->channel_id.release();
|
||
}
|
||
|
||
static int CertCallback(SSL *ssl, void *arg) {
|
||
if (!GetTestState(ssl)->cert_ready) {
|
||
return -1;
|
||
}
|
||
if (!InstallCertificate(ssl)) {
|
||
return 0;
|
||
}
|
||
return 1;
|
||
}
|
||
|
||
static SSL_SESSION *GetSessionCallback(SSL *ssl, uint8_t *data, int len,
|
||
int *copy) {
|
||
TestState *async_state = GetTestState(ssl);
|
||
if (async_state->session) {
|
||
*copy = 0;
|
||
return async_state->session.release();
|
||
} else if (async_state->pending_session) {
|
||
return SSL_magic_pending_session_ptr();
|
||
} else {
|
||
return NULL;
|
||
}
|
||
}
|
||
|
||
static int DDoSCallback(const struct ssl_early_callback_ctx *early_context) {
|
||
const TestConfig *config = GetConfigPtr(early_context->ssl);
|
||
static int callback_num = 0;
|
||
|
||
callback_num++;
|
||
if (config->fail_ddos_callback ||
|
||
(config->fail_second_ddos_callback && callback_num == 2)) {
|
||
return 0;
|
||
}
|
||
return 1;
|
||
}
|
||
|
||
static void InfoCallback(const SSL *ssl, int type, int val) {
|
||
if (type == SSL_CB_HANDSHAKE_DONE) {
|
||
if (GetConfigPtr(ssl)->handshake_never_done) {
|
||
fprintf(stderr, "handshake completed\n");
|
||
// Abort before any expected error code is printed, to ensure the overall
|
||
// test fails.
|
||
abort();
|
||
}
|
||
GetTestState(ssl)->handshake_done = true;
|
||
}
|
||
}
|
||
|
||
static int NewSessionCallback(SSL *ssl, SSL_SESSION *session) {
|
||
GetTestState(ssl)->got_new_session = true;
|
||
// BoringSSL passes a reference to |session|.
|
||
SSL_SESSION_free(session);
|
||
return 1;
|
||
}
|
||
|
||
static int TicketKeyCallback(SSL *ssl, uint8_t *key_name, uint8_t *iv,
|
||
EVP_CIPHER_CTX *ctx, HMAC_CTX *hmac_ctx,
|
||
int encrypt) {
|
||
// This is just test code, so use the all-zeros key.
|
||
static const uint8_t kZeros[16] = {0};
|
||
|
||
if (encrypt) {
|
||
memcpy(key_name, kZeros, sizeof(kZeros));
|
||
RAND_bytes(iv, 16);
|
||
} else if (memcmp(key_name, kZeros, 16) != 0) {
|
||
return 0;
|
||
}
|
||
|
||
if (!HMAC_Init_ex(hmac_ctx, kZeros, sizeof(kZeros), EVP_sha256(), NULL) ||
|
||
!EVP_CipherInit_ex(ctx, EVP_aes_128_cbc(), NULL, kZeros, iv, encrypt)) {
|
||
return -1;
|
||
}
|
||
|
||
if (!encrypt) {
|
||
return GetConfigPtr(ssl)->renew_ticket ? 2 : 1;
|
||
}
|
||
return 1;
|
||
}
|
||
|
||
// kCustomExtensionValue is the extension value that the custom extension
|
||
// callbacks will add.
|
||
static const uint16_t kCustomExtensionValue = 1234;
|
||
static void *const kCustomExtensionAddArg =
|
||
reinterpret_cast<void *>(kCustomExtensionValue);
|
||
static void *const kCustomExtensionParseArg =
|
||
reinterpret_cast<void *>(kCustomExtensionValue + 1);
|
||
static const char kCustomExtensionContents[] = "custom extension";
|
||
|
||
static int CustomExtensionAddCallback(SSL *ssl, unsigned extension_value,
|
||
const uint8_t **out, size_t *out_len,
|
||
int *out_alert_value, void *add_arg) {
|
||
if (extension_value != kCustomExtensionValue ||
|
||
add_arg != kCustomExtensionAddArg) {
|
||
abort();
|
||
}
|
||
|
||
if (GetConfigPtr(ssl)->custom_extension_skip) {
|
||
return 0;
|
||
}
|
||
if (GetConfigPtr(ssl)->custom_extension_fail_add) {
|
||
return -1;
|
||
}
|
||
|
||
*out = reinterpret_cast<const uint8_t*>(kCustomExtensionContents);
|
||
*out_len = sizeof(kCustomExtensionContents) - 1;
|
||
|
||
return 1;
|
||
}
|
||
|
||
static void CustomExtensionFreeCallback(SSL *ssl, unsigned extension_value,
|
||
const uint8_t *out, void *add_arg) {
|
||
if (extension_value != kCustomExtensionValue ||
|
||
add_arg != kCustomExtensionAddArg ||
|
||
out != reinterpret_cast<const uint8_t *>(kCustomExtensionContents)) {
|
||
abort();
|
||
}
|
||
}
|
||
|
||
static int CustomExtensionParseCallback(SSL *ssl, unsigned extension_value,
|
||
const uint8_t *contents,
|
||
size_t contents_len,
|
||
int *out_alert_value, void *parse_arg) {
|
||
if (extension_value != kCustomExtensionValue ||
|
||
parse_arg != kCustomExtensionParseArg) {
|
||
abort();
|
||
}
|
||
|
||
if (contents_len != sizeof(kCustomExtensionContents) - 1 ||
|
||
memcmp(contents, kCustomExtensionContents, contents_len) != 0) {
|
||
*out_alert_value = SSL_AD_DECODE_ERROR;
|
||
return 0;
|
||
}
|
||
|
||
return 1;
|
||
}
|
||
|
||
// Connect returns a new socket connected to localhost on |port| or -1 on
|
||
// error.
|
||
static int Connect(uint16_t port) {
|
||
int sock = socket(AF_INET, SOCK_STREAM, 0);
|
||
if (sock == -1) {
|
||
PrintSocketError("socket");
|
||
return -1;
|
||
}
|
||
int nodelay = 1;
|
||
if (setsockopt(sock, IPPROTO_TCP, TCP_NODELAY,
|
||
reinterpret_cast<const char*>(&nodelay), sizeof(nodelay)) != 0) {
|
||
PrintSocketError("setsockopt");
|
||
closesocket(sock);
|
||
return -1;
|
||
}
|
||
sockaddr_in sin;
|
||
memset(&sin, 0, sizeof(sin));
|
||
sin.sin_family = AF_INET;
|
||
sin.sin_port = htons(port);
|
||
if (!inet_pton(AF_INET, "127.0.0.1", &sin.sin_addr)) {
|
||
PrintSocketError("inet_pton");
|
||
closesocket(sock);
|
||
return -1;
|
||
}
|
||
if (connect(sock, reinterpret_cast<const sockaddr*>(&sin),
|
||
sizeof(sin)) != 0) {
|
||
PrintSocketError("connect");
|
||
closesocket(sock);
|
||
return -1;
|
||
}
|
||
return sock;
|
||
}
|
||
|
||
class SocketCloser {
|
||
public:
|
||
explicit SocketCloser(int sock) : sock_(sock) {}
|
||
~SocketCloser() {
|
||
// Half-close and drain the socket before releasing it. This seems to be
|
||
// necessary for graceful shutdown on Windows. It will also avoid write
|
||
// failures in the test runner.
|
||
#if defined(OPENSSL_WINDOWS)
|
||
shutdown(sock_, SD_SEND);
|
||
#else
|
||
shutdown(sock_, SHUT_WR);
|
||
#endif
|
||
while (true) {
|
||
char buf[1024];
|
||
if (recv(sock_, buf, sizeof(buf), 0) <= 0) {
|
||
break;
|
||
}
|
||
}
|
||
closesocket(sock_);
|
||
}
|
||
|
||
private:
|
||
const int sock_;
|
||
};
|
||
|
||
static ScopedSSL_CTX SetupCtx(const TestConfig *config) {
|
||
ScopedSSL_CTX ssl_ctx(SSL_CTX_new(
|
||
config->is_dtls ? DTLS_method() : TLS_method()));
|
||
if (!ssl_ctx) {
|
||
return nullptr;
|
||
}
|
||
|
||
std::string cipher_list = "ALL";
|
||
if (!config->cipher.empty()) {
|
||
cipher_list = config->cipher;
|
||
SSL_CTX_set_options(ssl_ctx.get(), SSL_OP_CIPHER_SERVER_PREFERENCE);
|
||
}
|
||
if (!SSL_CTX_set_cipher_list(ssl_ctx.get(), cipher_list.c_str())) {
|
||
return nullptr;
|
||
}
|
||
|
||
if (!config->cipher_tls10.empty() &&
|
||
!SSL_CTX_set_cipher_list_tls10(ssl_ctx.get(),
|
||
config->cipher_tls10.c_str())) {
|
||
return nullptr;
|
||
}
|
||
if (!config->cipher_tls11.empty() &&
|
||
!SSL_CTX_set_cipher_list_tls11(ssl_ctx.get(),
|
||
config->cipher_tls11.c_str())) {
|
||
return nullptr;
|
||
}
|
||
|
||
ScopedDH dh(DH_get_2048_256(NULL));
|
||
|
||
if (config->use_sparse_dh_prime) {
|
||
// This prime number is 2^1024 + 643 – a value just above a power of two.
|
||
// Because of its form, values modulo it are essentially certain to be one
|
||
// byte shorter. This is used to test padding of these values.
|
||
if (BN_hex2bn(
|
||
&dh->p,
|
||
"1000000000000000000000000000000000000000000000000000000000000000"
|
||
"0000000000000000000000000000000000000000000000000000000000000000"
|
||
"0000000000000000000000000000000000000000000000000000000000000000"
|
||
"0000000000000000000000000000000000000000000000000000000000000028"
|
||
"3") == 0 ||
|
||
!BN_set_word(dh->g, 2)) {
|
||
return nullptr;
|
||
}
|
||
BN_free(dh->q);
|
||
dh->q = NULL;
|
||
dh->priv_length = 0;
|
||
}
|
||
|
||
if (!dh || !SSL_CTX_set_tmp_dh(ssl_ctx.get(), dh.get())) {
|
||
return nullptr;
|
||
}
|
||
|
||
if (config->async && config->is_server) {
|
||
// Disable the internal session cache. To test asynchronous session lookup,
|
||
// we use an external session cache.
|
||
SSL_CTX_set_session_cache_mode(
|
||
ssl_ctx.get(), SSL_SESS_CACHE_BOTH | SSL_SESS_CACHE_NO_INTERNAL);
|
||
SSL_CTX_sess_set_get_cb(ssl_ctx.get(), GetSessionCallback);
|
||
} else {
|
||
SSL_CTX_set_session_cache_mode(ssl_ctx.get(), SSL_SESS_CACHE_BOTH);
|
||
}
|
||
|
||
SSL_CTX_set_select_certificate_cb(ssl_ctx.get(), SelectCertificateCallback);
|
||
|
||
if (config->use_old_client_cert_callback) {
|
||
SSL_CTX_set_client_cert_cb(ssl_ctx.get(), ClientCertCallback);
|
||
}
|
||
|
||
SSL_CTX_set_next_protos_advertised_cb(
|
||
ssl_ctx.get(), NextProtosAdvertisedCallback, NULL);
|
||
if (!config->select_next_proto.empty()) {
|
||
SSL_CTX_set_next_proto_select_cb(ssl_ctx.get(), NextProtoSelectCallback,
|
||
NULL);
|
||
}
|
||
|
||
if (!config->select_alpn.empty() || config->decline_alpn) {
|
||
SSL_CTX_set_alpn_select_cb(ssl_ctx.get(), AlpnSelectCallback, NULL);
|
||
}
|
||
|
||
SSL_CTX_enable_tls_channel_id(ssl_ctx.get());
|
||
SSL_CTX_set_channel_id_cb(ssl_ctx.get(), ChannelIdCallback);
|
||
|
||
ssl_ctx->current_time_cb = CurrentTimeCallback;
|
||
|
||
SSL_CTX_set_info_callback(ssl_ctx.get(), InfoCallback);
|
||
SSL_CTX_sess_set_new_cb(ssl_ctx.get(), NewSessionCallback);
|
||
|
||
if (config->use_ticket_callback) {
|
||
SSL_CTX_set_tlsext_ticket_key_cb(ssl_ctx.get(), TicketKeyCallback);
|
||
}
|
||
|
||
if (config->enable_client_custom_extension &&
|
||
!SSL_CTX_add_client_custom_ext(
|
||
ssl_ctx.get(), kCustomExtensionValue, CustomExtensionAddCallback,
|
||
CustomExtensionFreeCallback, kCustomExtensionAddArg,
|
||
CustomExtensionParseCallback, kCustomExtensionParseArg)) {
|
||
return nullptr;
|
||
}
|
||
|
||
if (config->enable_server_custom_extension &&
|
||
!SSL_CTX_add_server_custom_ext(
|
||
ssl_ctx.get(), kCustomExtensionValue, CustomExtensionAddCallback,
|
||
CustomExtensionFreeCallback, kCustomExtensionAddArg,
|
||
CustomExtensionParseCallback, kCustomExtensionParseArg)) {
|
||
return nullptr;
|
||
}
|
||
|
||
if (config->verify_fail) {
|
||
SSL_CTX_set_cert_verify_callback(ssl_ctx.get(), VerifyFail, NULL);
|
||
} else {
|
||
SSL_CTX_set_cert_verify_callback(ssl_ctx.get(), VerifySucceed, NULL);
|
||
}
|
||
|
||
if (!config->signed_cert_timestamps.empty() &&
|
||
!SSL_CTX_set_signed_cert_timestamp_list(
|
||
ssl_ctx.get(), (const uint8_t *)config->signed_cert_timestamps.data(),
|
||
config->signed_cert_timestamps.size())) {
|
||
return nullptr;
|
||
}
|
||
|
||
return ssl_ctx;
|
||
}
|
||
|
||
// RetryAsync is called after a failed operation on |ssl| with return code
|
||
// |ret|. If the operation should be retried, it simulates one asynchronous
|
||
// event and returns true. Otherwise it returns false.
|
||
static bool RetryAsync(SSL *ssl, int ret) {
|
||
// No error; don't retry.
|
||
if (ret >= 0) {
|
||
return false;
|
||
}
|
||
|
||
const TestConfig *config = GetConfigPtr(ssl);
|
||
TestState *test_state = GetTestState(ssl);
|
||
if (test_state->clock_delta.tv_usec != 0 ||
|
||
test_state->clock_delta.tv_sec != 0) {
|
||
// Process the timeout and retry.
|
||
test_state->clock.tv_usec += test_state->clock_delta.tv_usec;
|
||
test_state->clock.tv_sec += test_state->clock.tv_usec / 1000000;
|
||
test_state->clock.tv_usec %= 1000000;
|
||
test_state->clock.tv_sec += test_state->clock_delta.tv_sec;
|
||
memset(&test_state->clock_delta, 0, sizeof(test_state->clock_delta));
|
||
|
||
// The DTLS retransmit logic silently ignores write failures. So the test
|
||
// may progress, allow writes through synchronously.
|
||
if (config->async) {
|
||
AsyncBioEnforceWriteQuota(test_state->async_bio, false);
|
||
}
|
||
int timeout_ret = DTLSv1_handle_timeout(ssl);
|
||
if (config->async) {
|
||
AsyncBioEnforceWriteQuota(test_state->async_bio, true);
|
||
}
|
||
|
||
if (timeout_ret < 0) {
|
||
fprintf(stderr, "Error retransmitting.\n");
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
// See if we needed to read or write more. If so, allow one byte through on
|
||
// the appropriate end to maximally stress the state machine.
|
||
switch (SSL_get_error(ssl, ret)) {
|
||
case SSL_ERROR_WANT_READ:
|
||
AsyncBioAllowRead(test_state->async_bio, 1);
|
||
return true;
|
||
case SSL_ERROR_WANT_WRITE:
|
||
AsyncBioAllowWrite(test_state->async_bio, 1);
|
||
return true;
|
||
case SSL_ERROR_WANT_CHANNEL_ID_LOOKUP: {
|
||
ScopedEVP_PKEY pkey = LoadPrivateKey(GetConfigPtr(ssl)->send_channel_id);
|
||
if (!pkey) {
|
||
return false;
|
||
}
|
||
test_state->channel_id = std::move(pkey);
|
||
return true;
|
||
}
|
||
case SSL_ERROR_WANT_X509_LOOKUP:
|
||
test_state->cert_ready = true;
|
||
return true;
|
||
case SSL_ERROR_PENDING_SESSION:
|
||
test_state->session = std::move(test_state->pending_session);
|
||
return true;
|
||
case SSL_ERROR_PENDING_CERTIFICATE:
|
||
// The handshake will resume without a second call to the early callback.
|
||
return InstallCertificate(ssl);
|
||
case SSL_ERROR_WANT_PRIVATE_KEY_OPERATION:
|
||
test_state->private_key_retries++;
|
||
return true;
|
||
default:
|
||
return false;
|
||
}
|
||
}
|
||
|
||
// DoRead reads from |ssl|, resolving any asynchronous operations. It returns
|
||
// the result value of the final |SSL_read| call.
|
||
static int DoRead(SSL *ssl, uint8_t *out, size_t max_out) {
|
||
const TestConfig *config = GetConfigPtr(ssl);
|
||
TestState *test_state = GetTestState(ssl);
|
||
int ret;
|
||
do {
|
||
if (config->async) {
|
||
// The DTLS retransmit logic silently ignores write failures. So the test
|
||
// may progress, allow writes through synchronously. |SSL_read| may
|
||
// trigger a retransmit, so disconnect the write quota.
|
||
AsyncBioEnforceWriteQuota(test_state->async_bio, false);
|
||
}
|
||
ret = SSL_read(ssl, out, max_out);
|
||
if (config->async) {
|
||
AsyncBioEnforceWriteQuota(test_state->async_bio, true);
|
||
}
|
||
} while (config->async && RetryAsync(ssl, ret));
|
||
return ret;
|
||
}
|
||
|
||
// WriteAll writes |in_len| bytes from |in| to |ssl|, resolving any asynchronous
|
||
// operations. It returns the result of the final |SSL_write| call.
|
||
static int WriteAll(SSL *ssl, const uint8_t *in, size_t in_len) {
|
||
const TestConfig *config = GetConfigPtr(ssl);
|
||
int ret;
|
||
do {
|
||
ret = SSL_write(ssl, in, in_len);
|
||
if (ret > 0) {
|
||
in += ret;
|
||
in_len -= ret;
|
||
}
|
||
} while ((config->async && RetryAsync(ssl, ret)) || (ret > 0 && in_len > 0));
|
||
return ret;
|
||
}
|
||
|
||
// DoShutdown calls |SSL_shutdown|, resolving any asynchronous operations. It
|
||
// returns the result of the final |SSL_shutdown| call.
|
||
static int DoShutdown(SSL *ssl) {
|
||
const TestConfig *config = GetConfigPtr(ssl);
|
||
int ret;
|
||
do {
|
||
ret = SSL_shutdown(ssl);
|
||
} while (config->async && RetryAsync(ssl, ret));
|
||
return ret;
|
||
}
|
||
|
||
// CheckHandshakeProperties checks, immediately after |ssl| completes its
|
||
// initial handshake (or False Starts), whether all the properties are
|
||
// consistent with the test configuration and invariants.
|
||
static bool CheckHandshakeProperties(SSL *ssl, bool is_resume) {
|
||
const TestConfig *config = GetConfigPtr(ssl);
|
||
|
||
if (SSL_get_current_cipher(ssl) == nullptr) {
|
||
fprintf(stderr, "null cipher after handshake\n");
|
||
return false;
|
||
}
|
||
|
||
if (is_resume &&
|
||
(!!SSL_session_reused(ssl) == config->expect_session_miss)) {
|
||
fprintf(stderr, "session was%s reused\n",
|
||
SSL_session_reused(ssl) ? "" : " not");
|
||
return false;
|
||
}
|
||
|
||
bool expect_handshake_done = is_resume || !config->false_start;
|
||
if (expect_handshake_done != GetTestState(ssl)->handshake_done) {
|
||
fprintf(stderr, "handshake was%s completed\n",
|
||
GetTestState(ssl)->handshake_done ? "" : " not");
|
||
return false;
|
||
}
|
||
|
||
if (expect_handshake_done && !config->is_server) {
|
||
bool expect_new_session =
|
||
!config->expect_no_session &&
|
||
(!SSL_session_reused(ssl) || config->expect_ticket_renewal);
|
||
if (expect_new_session != GetTestState(ssl)->got_new_session) {
|
||
fprintf(stderr,
|
||
"new session was%s cached, but we expected the opposite\n",
|
||
GetTestState(ssl)->got_new_session ? "" : " not");
|
||
return false;
|
||
}
|
||
}
|
||
|
||
if (config->is_server && !GetTestState(ssl)->early_callback_called) {
|
||
fprintf(stderr, "early callback not called\n");
|
||
return false;
|
||
}
|
||
|
||
if (!config->expected_server_name.empty()) {
|
||
const char *server_name =
|
||
SSL_get_servername(ssl, TLSEXT_NAMETYPE_host_name);
|
||
if (server_name != config->expected_server_name) {
|
||
fprintf(stderr, "servername mismatch (got %s; want %s)\n",
|
||
server_name, config->expected_server_name.c_str());
|
||
return false;
|
||
}
|
||
}
|
||
|
||
if (!config->expected_certificate_types.empty()) {
|
||
const uint8_t *certificate_types;
|
||
size_t certificate_types_len =
|
||
SSL_get0_certificate_types(ssl, &certificate_types);
|
||
if (certificate_types_len != config->expected_certificate_types.size() ||
|
||
memcmp(certificate_types,
|
||
config->expected_certificate_types.data(),
|
||
certificate_types_len) != 0) {
|
||
fprintf(stderr, "certificate types mismatch\n");
|
||
return false;
|
||
}
|
||
}
|
||
|
||
if (!config->expected_next_proto.empty()) {
|
||
const uint8_t *next_proto;
|
||
unsigned next_proto_len;
|
||
SSL_get0_next_proto_negotiated(ssl, &next_proto, &next_proto_len);
|
||
if (next_proto_len != config->expected_next_proto.size() ||
|
||
memcmp(next_proto, config->expected_next_proto.data(),
|
||
next_proto_len) != 0) {
|
||
fprintf(stderr, "negotiated next proto mismatch\n");
|
||
return false;
|
||
}
|
||
}
|
||
|
||
if (!config->expected_alpn.empty()) {
|
||
const uint8_t *alpn_proto;
|
||
unsigned alpn_proto_len;
|
||
SSL_get0_alpn_selected(ssl, &alpn_proto, &alpn_proto_len);
|
||
if (alpn_proto_len != config->expected_alpn.size() ||
|
||
memcmp(alpn_proto, config->expected_alpn.data(),
|
||
alpn_proto_len) != 0) {
|
||
fprintf(stderr, "negotiated alpn proto mismatch\n");
|
||
return false;
|
||
}
|
||
}
|
||
|
||
if (!config->expected_channel_id.empty()) {
|
||
uint8_t channel_id[64];
|
||
if (!SSL_get_tls_channel_id(ssl, channel_id, sizeof(channel_id))) {
|
||
fprintf(stderr, "no channel id negotiated\n");
|
||
return false;
|
||
}
|
||
if (config->expected_channel_id.size() != 64 ||
|
||
memcmp(config->expected_channel_id.data(),
|
||
channel_id, 64) != 0) {
|
||
fprintf(stderr, "channel id mismatch\n");
|
||
return false;
|
||
}
|
||
}
|
||
|
||
if (config->expect_extended_master_secret) {
|
||
if (!ssl->session->extended_master_secret) {
|
||
fprintf(stderr, "No EMS for session when expected");
|
||
return false;
|
||
}
|
||
}
|
||
|
||
if (!config->expected_ocsp_response.empty()) {
|
||
const uint8_t *data;
|
||
size_t len;
|
||
SSL_get0_ocsp_response(ssl, &data, &len);
|
||
if (config->expected_ocsp_response.size() != len ||
|
||
memcmp(config->expected_ocsp_response.data(), data, len) != 0) {
|
||
fprintf(stderr, "OCSP response mismatch\n");
|
||
return false;
|
||
}
|
||
}
|
||
|
||
if (!config->expected_signed_cert_timestamps.empty()) {
|
||
const uint8_t *data;
|
||
size_t len;
|
||
SSL_get0_signed_cert_timestamp_list(ssl, &data, &len);
|
||
if (config->expected_signed_cert_timestamps.size() != len ||
|
||
memcmp(config->expected_signed_cert_timestamps.data(),
|
||
data, len) != 0) {
|
||
fprintf(stderr, "SCT list mismatch\n");
|
||
return false;
|
||
}
|
||
}
|
||
|
||
if (config->expect_verify_result) {
|
||
int expected_verify_result = config->verify_fail ?
|
||
X509_V_ERR_APPLICATION_VERIFICATION :
|
||
X509_V_OK;
|
||
|
||
if (SSL_get_verify_result(ssl) != expected_verify_result) {
|
||
fprintf(stderr, "Wrong certificate verification result\n");
|
||
return false;
|
||
}
|
||
}
|
||
|
||
if (config->expect_server_key_exchange_hash != 0 &&
|
||
config->expect_server_key_exchange_hash !=
|
||
SSL_get_server_key_exchange_hash(ssl)) {
|
||
fprintf(stderr, "ServerKeyExchange hash was %d, wanted %d.\n",
|
||
SSL_get_server_key_exchange_hash(ssl),
|
||
config->expect_server_key_exchange_hash);
|
||
return false;
|
||
}
|
||
|
||
if (config->expect_key_exchange_info != 0) {
|
||
uint32_t info = SSL_SESSION_get_key_exchange_info(SSL_get_session(ssl));
|
||
if (static_cast<uint32_t>(config->expect_key_exchange_info) != info) {
|
||
fprintf(stderr, "key_exchange_info was %" PRIu32 ", wanted %" PRIu32 "\n",
|
||
info, static_cast<uint32_t>(config->expect_key_exchange_info));
|
||
return false;
|
||
}
|
||
}
|
||
|
||
if (!config->is_server) {
|
||
/* Clients should expect a peer certificate chain iff this was not a PSK
|
||
* cipher suite. */
|
||
if (config->psk.empty()) {
|
||
if (SSL_get_peer_cert_chain(ssl) == nullptr) {
|
||
fprintf(stderr, "Missing peer certificate chain!\n");
|
||
return false;
|
||
}
|
||
} else if (SSL_get_peer_cert_chain(ssl) != nullptr) {
|
||
fprintf(stderr, "Unexpected peer certificate chain!\n");
|
||
return false;
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
// DoExchange runs a test SSL exchange against the peer. On success, it returns
|
||
// true and sets |*out_session| to the negotiated SSL session. If the test is a
|
||
// resumption attempt, |is_resume| is true and |session| is the session from the
|
||
// previous exchange.
|
||
static bool DoExchange(ScopedSSL_SESSION *out_session, SSL_CTX *ssl_ctx,
|
||
const TestConfig *config, bool is_resume,
|
||
SSL_SESSION *session) {
|
||
ScopedSSL ssl(SSL_new(ssl_ctx));
|
||
if (!ssl) {
|
||
return false;
|
||
}
|
||
|
||
if (!SetConfigPtr(ssl.get(), config) ||
|
||
!SetTestState(ssl.get(), std::unique_ptr<TestState>(new TestState))) {
|
||
return false;
|
||
}
|
||
|
||
if (config->fallback_scsv &&
|
||
!SSL_set_mode(ssl.get(), SSL_MODE_SEND_FALLBACK_SCSV)) {
|
||
return false;
|
||
}
|
||
if (!config->use_early_callback && !config->use_old_client_cert_callback) {
|
||
if (config->async) {
|
||
SSL_set_cert_cb(ssl.get(), CertCallback, NULL);
|
||
} else if (!InstallCertificate(ssl.get())) {
|
||
return false;
|
||
}
|
||
}
|
||
if (config->require_any_client_certificate) {
|
||
SSL_set_verify(ssl.get(), SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
|
||
NULL);
|
||
}
|
||
if (config->verify_peer) {
|
||
SSL_set_verify(ssl.get(), SSL_VERIFY_PEER, NULL);
|
||
}
|
||
if (config->false_start) {
|
||
SSL_set_mode(ssl.get(), SSL_MODE_ENABLE_FALSE_START);
|
||
}
|
||
if (config->cbc_record_splitting) {
|
||
SSL_set_mode(ssl.get(), SSL_MODE_CBC_RECORD_SPLITTING);
|
||
}
|
||
if (config->partial_write) {
|
||
SSL_set_mode(ssl.get(), SSL_MODE_ENABLE_PARTIAL_WRITE);
|
||
}
|
||
if (config->no_tls12) {
|
||
SSL_set_options(ssl.get(), SSL_OP_NO_TLSv1_2);
|
||
}
|
||
if (config->no_tls11) {
|
||
SSL_set_options(ssl.get(), SSL_OP_NO_TLSv1_1);
|
||
}
|
||
if (config->no_tls1) {
|
||
SSL_set_options(ssl.get(), SSL_OP_NO_TLSv1);
|
||
}
|
||
if (config->no_ssl3) {
|
||
SSL_set_options(ssl.get(), SSL_OP_NO_SSLv3);
|
||
}
|
||
if (!config->expected_channel_id.empty()) {
|
||
SSL_enable_tls_channel_id(ssl.get());
|
||
}
|
||
if (!config->send_channel_id.empty()) {
|
||
SSL_enable_tls_channel_id(ssl.get());
|
||
if (!config->async) {
|
||
// The async case will be supplied by |ChannelIdCallback|.
|
||
ScopedEVP_PKEY pkey = LoadPrivateKey(config->send_channel_id);
|
||
if (!pkey || !SSL_set1_tls_channel_id(ssl.get(), pkey.get())) {
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
if (!config->host_name.empty() &&
|
||
!SSL_set_tlsext_host_name(ssl.get(), config->host_name.c_str())) {
|
||
return false;
|
||
}
|
||
if (!config->advertise_alpn.empty() &&
|
||
SSL_set_alpn_protos(ssl.get(),
|
||
(const uint8_t *)config->advertise_alpn.data(),
|
||
config->advertise_alpn.size()) != 0) {
|
||
return false;
|
||
}
|
||
if (!config->psk.empty()) {
|
||
SSL_set_psk_client_callback(ssl.get(), PskClientCallback);
|
||
SSL_set_psk_server_callback(ssl.get(), PskServerCallback);
|
||
}
|
||
if (!config->psk_identity.empty() &&
|
||
!SSL_use_psk_identity_hint(ssl.get(), config->psk_identity.c_str())) {
|
||
return false;
|
||
}
|
||
if (!config->srtp_profiles.empty() &&
|
||
!SSL_set_srtp_profiles(ssl.get(), config->srtp_profiles.c_str())) {
|
||
return false;
|
||
}
|
||
if (config->enable_ocsp_stapling &&
|
||
!SSL_enable_ocsp_stapling(ssl.get())) {
|
||
return false;
|
||
}
|
||
if (config->enable_signed_cert_timestamps &&
|
||
!SSL_enable_signed_cert_timestamps(ssl.get())) {
|
||
return false;
|
||
}
|
||
if (config->min_version != 0) {
|
||
SSL_set_min_version(ssl.get(), (uint16_t)config->min_version);
|
||
}
|
||
if (config->max_version != 0) {
|
||
SSL_set_max_version(ssl.get(), (uint16_t)config->max_version);
|
||
}
|
||
if (config->mtu != 0) {
|
||
SSL_set_options(ssl.get(), SSL_OP_NO_QUERY_MTU);
|
||
SSL_set_mtu(ssl.get(), config->mtu);
|
||
}
|
||
if (config->install_ddos_callback) {
|
||
SSL_CTX_set_dos_protection_cb(ssl_ctx, DDoSCallback);
|
||
}
|
||
if (config->renegotiate_once) {
|
||
SSL_set_renegotiate_mode(ssl.get(), ssl_renegotiate_once);
|
||
}
|
||
if (config->renegotiate_freely) {
|
||
SSL_set_renegotiate_mode(ssl.get(), ssl_renegotiate_freely);
|
||
}
|
||
if (config->renegotiate_ignore) {
|
||
SSL_set_renegotiate_mode(ssl.get(), ssl_renegotiate_ignore);
|
||
}
|
||
if (!config->check_close_notify) {
|
||
SSL_set_quiet_shutdown(ssl.get(), 1);
|
||
}
|
||
if (config->disable_npn) {
|
||
SSL_set_options(ssl.get(), SSL_OP_DISABLE_NPN);
|
||
}
|
||
if (config->p384_only) {
|
||
int nid = NID_secp384r1;
|
||
if (!SSL_set1_curves(ssl.get(), &nid, 1)) {
|
||
return false;
|
||
}
|
||
}
|
||
if (config->enable_all_curves) {
|
||
static const int kAllCurves[] = {
|
||
NID_X9_62_prime256v1, NID_secp384r1, NID_secp521r1, NID_X25519,
|
||
};
|
||
if (!SSL_set1_curves(ssl.get(), kAllCurves,
|
||
sizeof(kAllCurves) / sizeof(kAllCurves[0]))) {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
int sock = Connect(config->port);
|
||
if (sock == -1) {
|
||
return false;
|
||
}
|
||
SocketCloser closer(sock);
|
||
|
||
ScopedBIO bio(BIO_new_socket(sock, BIO_NOCLOSE));
|
||
if (!bio) {
|
||
return false;
|
||
}
|
||
if (config->is_dtls) {
|
||
ScopedBIO packeted =
|
||
PacketedBioCreate(&GetTestState(ssl.get())->clock_delta);
|
||
BIO_push(packeted.get(), bio.release());
|
||
bio = std::move(packeted);
|
||
}
|
||
if (config->async) {
|
||
ScopedBIO async_scoped =
|
||
config->is_dtls ? AsyncBioCreateDatagram() : AsyncBioCreate();
|
||
BIO_push(async_scoped.get(), bio.release());
|
||
GetTestState(ssl.get())->async_bio = async_scoped.get();
|
||
bio = std::move(async_scoped);
|
||
}
|
||
SSL_set_bio(ssl.get(), bio.get(), bio.get());
|
||
bio.release(); // SSL_set_bio takes ownership.
|
||
|
||
if (session != NULL) {
|
||
if (!config->is_server) {
|
||
if (SSL_set_session(ssl.get(), session) != 1) {
|
||
return false;
|
||
}
|
||
} else if (config->async) {
|
||
// The internal session cache is disabled, so install the session
|
||
// manually.
|
||
GetTestState(ssl.get())->pending_session.reset(
|
||
SSL_SESSION_up_ref(session));
|
||
}
|
||
}
|
||
|
||
if (SSL_get_current_cipher(ssl.get()) != nullptr) {
|
||
fprintf(stderr, "non-null cipher before handshake\n");
|
||
return false;
|
||
}
|
||
|
||
int ret;
|
||
if (config->implicit_handshake) {
|
||
if (config->is_server) {
|
||
SSL_set_accept_state(ssl.get());
|
||
} else {
|
||
SSL_set_connect_state(ssl.get());
|
||
}
|
||
} else {
|
||
do {
|
||
if (config->is_server) {
|
||
ret = SSL_accept(ssl.get());
|
||
} else {
|
||
ret = SSL_connect(ssl.get());
|
||
}
|
||
} while (config->async && RetryAsync(ssl.get(), ret));
|
||
if (ret != 1 ||
|
||
!CheckHandshakeProperties(ssl.get(), is_resume)) {
|
||
return false;
|
||
}
|
||
|
||
// Reset the state to assert later that the callback isn't called in
|
||
// renegotations.
|
||
GetTestState(ssl.get())->got_new_session = false;
|
||
}
|
||
|
||
if (config->export_keying_material > 0) {
|
||
std::vector<uint8_t> result(
|
||
static_cast<size_t>(config->export_keying_material));
|
||
if (!SSL_export_keying_material(
|
||
ssl.get(), result.data(), result.size(),
|
||
config->export_label.data(), config->export_label.size(),
|
||
reinterpret_cast<const uint8_t*>(config->export_context.data()),
|
||
config->export_context.size(), config->use_export_context)) {
|
||
fprintf(stderr, "failed to export keying material\n");
|
||
return false;
|
||
}
|
||
if (WriteAll(ssl.get(), result.data(), result.size()) < 0) {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
if (config->tls_unique) {
|
||
uint8_t tls_unique[16];
|
||
size_t tls_unique_len;
|
||
if (!SSL_get_tls_unique(ssl.get(), tls_unique, &tls_unique_len,
|
||
sizeof(tls_unique))) {
|
||
fprintf(stderr, "failed to get tls-unique\n");
|
||
return false;
|
||
}
|
||
|
||
if (tls_unique_len != 12) {
|
||
fprintf(stderr, "expected 12 bytes of tls-unique but got %u",
|
||
static_cast<unsigned>(tls_unique_len));
|
||
return false;
|
||
}
|
||
|
||
if (WriteAll(ssl.get(), tls_unique, tls_unique_len) < 0) {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
if (config->write_different_record_sizes) {
|
||
if (config->is_dtls) {
|
||
fprintf(stderr, "write_different_record_sizes not supported for DTLS\n");
|
||
return false;
|
||
}
|
||
// This mode writes a number of different record sizes in an attempt to
|
||
// trip up the CBC record splitting code.
|
||
static const size_t kBufLen = 32769;
|
||
std::unique_ptr<uint8_t[]> buf(new uint8_t[kBufLen]);
|
||
memset(buf.get(), 0x42, kBufLen);
|
||
static const size_t kRecordSizes[] = {
|
||
0, 1, 255, 256, 257, 16383, 16384, 16385, 32767, 32768, 32769};
|
||
for (size_t i = 0; i < sizeof(kRecordSizes) / sizeof(kRecordSizes[0]);
|
||
i++) {
|
||
const size_t len = kRecordSizes[i];
|
||
if (len > kBufLen) {
|
||
fprintf(stderr, "Bad kRecordSizes value.\n");
|
||
return false;
|
||
}
|
||
if (WriteAll(ssl.get(), buf.get(), len) < 0) {
|
||
return false;
|
||
}
|
||
}
|
||
} else {
|
||
if (config->shim_writes_first) {
|
||
if (WriteAll(ssl.get(), reinterpret_cast<const uint8_t *>("hello"),
|
||
5) < 0) {
|
||
return false;
|
||
}
|
||
}
|
||
if (!config->shim_shuts_down) {
|
||
for (;;) {
|
||
static const size_t kBufLen = 16384;
|
||
std::unique_ptr<uint8_t[]> buf(new uint8_t[kBufLen]);
|
||
|
||
// Read only 512 bytes at a time in TLS to ensure records may be
|
||
// returned in multiple reads.
|
||
int n = DoRead(ssl.get(), buf.get(), config->is_dtls ? kBufLen : 512);
|
||
int err = SSL_get_error(ssl.get(), n);
|
||
if (err == SSL_ERROR_ZERO_RETURN ||
|
||
(n == 0 && err == SSL_ERROR_SYSCALL)) {
|
||
if (n != 0) {
|
||
fprintf(stderr, "Invalid SSL_get_error output\n");
|
||
return false;
|
||
}
|
||
// Stop on either clean or unclean shutdown.
|
||
break;
|
||
} else if (err != SSL_ERROR_NONE) {
|
||
if (n > 0) {
|
||
fprintf(stderr, "Invalid SSL_get_error output\n");
|
||
return false;
|
||
}
|
||
return false;
|
||
}
|
||
// Successfully read data.
|
||
if (n <= 0) {
|
||
fprintf(stderr, "Invalid SSL_get_error output\n");
|
||
return false;
|
||
}
|
||
|
||
// After a successful read, with or without False Start, the handshake
|
||
// must be complete.
|
||
if (!GetTestState(ssl.get())->handshake_done) {
|
||
fprintf(stderr, "handshake was not completed after SSL_read\n");
|
||
return false;
|
||
}
|
||
|
||
for (int i = 0; i < n; i++) {
|
||
buf[i] ^= 0xff;
|
||
}
|
||
if (WriteAll(ssl.get(), buf.get(), n) < 0) {
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
if (!config->is_server && !config->false_start &&
|
||
!config->implicit_handshake &&
|
||
GetTestState(ssl.get())->got_new_session) {
|
||
fprintf(stderr, "new session was established after the handshake\n");
|
||
return false;
|
||
}
|
||
|
||
if (out_session) {
|
||
out_session->reset(SSL_get1_session(ssl.get()));
|
||
}
|
||
|
||
ret = DoShutdown(ssl.get());
|
||
|
||
if (config->shim_shuts_down && config->check_close_notify) {
|
||
// We initiate shutdown, so |SSL_shutdown| will return in two stages. First
|
||
// it returns zero when our close_notify is sent, then one when the peer's
|
||
// is received.
|
||
if (ret != 0) {
|
||
fprintf(stderr, "Unexpected SSL_shutdown result: %d != 0\n", ret);
|
||
return false;
|
||
}
|
||
ret = DoShutdown(ssl.get());
|
||
}
|
||
|
||
if (ret != 1) {
|
||
fprintf(stderr, "Unexpected SSL_shutdown result: %d != 1\n", ret);
|
||
return false;
|
||
}
|
||
|
||
if (SSL_total_renegotiations(ssl.get()) !=
|
||
config->expect_total_renegotiations) {
|
||
fprintf(stderr, "Expected %d renegotiations, got %d\n",
|
||
config->expect_total_renegotiations,
|
||
SSL_total_renegotiations(ssl.get()));
|
||
return false;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
class StderrDelimiter {
|
||
public:
|
||
~StderrDelimiter() { fprintf(stderr, "--- DONE ---\n"); }
|
||
};
|
||
|
||
int main(int argc, char **argv) {
|
||
// To distinguish ASan's output from ours, add a trailing message to stderr.
|
||
// Anything following this line will be considered an error.
|
||
StderrDelimiter delimiter;
|
||
|
||
#if defined(OPENSSL_WINDOWS)
|
||
/* Initialize Winsock. */
|
||
WORD wsa_version = MAKEWORD(2, 2);
|
||
WSADATA wsa_data;
|
||
int wsa_err = WSAStartup(wsa_version, &wsa_data);
|
||
if (wsa_err != 0) {
|
||
fprintf(stderr, "WSAStartup failed: %d\n", wsa_err);
|
||
return 1;
|
||
}
|
||
if (wsa_data.wVersion != wsa_version) {
|
||
fprintf(stderr, "Didn't get expected version: %x\n", wsa_data.wVersion);
|
||
return 1;
|
||
}
|
||
#else
|
||
signal(SIGPIPE, SIG_IGN);
|
||
#endif
|
||
|
||
CRYPTO_library_init();
|
||
g_config_index = SSL_get_ex_new_index(0, NULL, NULL, NULL, NULL);
|
||
g_state_index = SSL_get_ex_new_index(0, NULL, NULL, NULL, TestStateExFree);
|
||
if (g_config_index < 0 || g_state_index < 0) {
|
||
return 1;
|
||
}
|
||
|
||
TestConfig config;
|
||
if (!ParseConfig(argc - 1, argv + 1, &config)) {
|
||
return Usage(argv[0]);
|
||
}
|
||
|
||
ScopedSSL_CTX ssl_ctx = SetupCtx(&config);
|
||
if (!ssl_ctx) {
|
||
ERR_print_errors_fp(stderr);
|
||
return 1;
|
||
}
|
||
|
||
ScopedSSL_SESSION session;
|
||
if (!DoExchange(&session, ssl_ctx.get(), &config, false /* is_resume */,
|
||
NULL /* session */)) {
|
||
ERR_print_errors_fp(stderr);
|
||
return 1;
|
||
}
|
||
|
||
if (config.resume &&
|
||
!DoExchange(NULL, ssl_ctx.get(), &config, true /* is_resume */,
|
||
session.get())) {
|
||
ERR_print_errors_fp(stderr);
|
||
return 1;
|
||
}
|
||
|
||
return 0;
|
||
}
|