diff options
Diffstat (limited to 'roms/edk2/CryptoPkg/Library/OpensslLib/openssl/test/clienthellotest.c')
| -rw-r--r-- | roms/edk2/CryptoPkg/Library/OpensslLib/openssl/test/clienthellotest.c | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/test/clienthellotest.c b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/test/clienthellotest.c new file mode 100644 index 000000000..8ae1e4d9c --- /dev/null +++ b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/test/clienthellotest.c @@ -0,0 +1,251 @@ +/* + * Copyright 2015-2019 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 <string.h> + +#include <openssl/opensslconf.h> +#include <openssl/bio.h> +#include <openssl/crypto.h> +#include <openssl/evp.h> +#include <openssl/ssl.h> +#include <openssl/err.h> +#include <time.h> + +#include "../ssl/packet_local.h" + +#include "testutil.h" + +#define CLIENT_VERSION_LEN 2 + +#define TOTAL_NUM_TESTS 4 + +/* + * Test that explicitly setting ticket data results in it appearing in the + * ClientHello for a negotiated SSL/TLS version + */ +#define TEST_SET_SESSION_TICK_DATA_VER_NEG 0 +/* Enable padding and make sure ClientHello is long enough to require it */ +#define TEST_ADD_PADDING 1 +/* Enable padding and make sure ClientHello is short enough to not need it */ +#define TEST_PADDING_NOT_NEEDED 2 +/* + * Enable padding and add a PSK to the ClientHello (this will also ensure the + * ClientHello is long enough to need padding) + */ +#define TEST_ADD_PADDING_AND_PSK 3 + +#define F5_WORKAROUND_MIN_MSG_LEN 0x7f +#define F5_WORKAROUND_MAX_MSG_LEN 0x200 + +static const char *sessionfile = NULL; +/* Dummy ALPN protocols used to pad out the size of the ClientHello */ +static const char alpn_prots[] = + "0123456789012345678901234567890123456789012345678901234567890123456789" + "0123456789012345678901234567890123456789012345678901234567890123456789" + "01234567890123456789"; + +static int test_client_hello(int currtest) +{ + SSL_CTX *ctx; + SSL *con = NULL; + BIO *rbio; + BIO *wbio; + long len; + unsigned char *data; + PACKET pkt = {0}, pkt2 = {0}, pkt3 = {0}; + char *dummytick = "Hello World!"; + unsigned int type = 0; + int testresult = 0; + size_t msglen; + BIO *sessbio = NULL; + SSL_SESSION *sess = NULL; + +#ifdef OPENSSL_NO_TLS1_3 + if (currtest == TEST_ADD_PADDING_AND_PSK) + return 1; +#endif + + /* + * For each test set up an SSL_CTX and SSL and see what ClientHello gets + * produced when we try to connect + */ + ctx = SSL_CTX_new(TLS_method()); + if (!TEST_ptr(ctx)) + goto end; + if (!TEST_true(SSL_CTX_set_max_proto_version(ctx, TLS_MAX_VERSION))) + goto end; + + switch(currtest) { + case TEST_SET_SESSION_TICK_DATA_VER_NEG: +#if !defined(OPENSSL_NO_TLS1_3) && defined(OPENSSL_NO_TLS1_2) + /* TLSv1.3 is enabled and TLSv1.2 is disabled so can't do this test */ + return 1; +#else + /* Testing for session tickets <= TLS1.2; not relevant for 1.3 */ + if (!TEST_true(SSL_CTX_set_max_proto_version(ctx, TLS1_2_VERSION))) + goto end; +#endif + break; + + case TEST_ADD_PADDING_AND_PSK: + /* + * In this case we're doing TLSv1.3 and we're sending a PSK so the + * ClientHello is already going to be quite long. To avoid getting one + * that is too long for this test we use a restricted ciphersuite list + */ + if (!TEST_false(SSL_CTX_set_cipher_list(ctx, ""))) + goto end; + ERR_clear_error(); + /* Fall through */ + case TEST_ADD_PADDING: + case TEST_PADDING_NOT_NEEDED: + SSL_CTX_set_options(ctx, SSL_OP_TLSEXT_PADDING); + /* Make sure we get a consistent size across TLS versions */ + SSL_CTX_clear_options(ctx, SSL_OP_ENABLE_MIDDLEBOX_COMPAT); + /* + * Add some dummy ALPN protocols so that the ClientHello is at least + * F5_WORKAROUND_MIN_MSG_LEN bytes long - meaning padding will be + * needed. + */ + if (currtest == TEST_ADD_PADDING) { + if (!TEST_false(SSL_CTX_set_alpn_protos(ctx, + (unsigned char *)alpn_prots, + sizeof(alpn_prots) - 1))) + goto end; + /* + * Otherwise we need to make sure we have a small enough message to + * not need padding. + */ + } else if (!TEST_true(SSL_CTX_set_cipher_list(ctx, + "AES128-SHA")) + || !TEST_true(SSL_CTX_set_ciphersuites(ctx, + "TLS_AES_128_GCM_SHA256"))) { + goto end; + } + break; + + default: + goto end; + } + + con = SSL_new(ctx); + if (!TEST_ptr(con)) + goto end; + + if (currtest == TEST_ADD_PADDING_AND_PSK) { + sessbio = BIO_new_file(sessionfile, "r"); + if (!TEST_ptr(sessbio)) { + TEST_info("Unable to open session.pem"); + goto end; + } + sess = PEM_read_bio_SSL_SESSION(sessbio, NULL, NULL, NULL); + if (!TEST_ptr(sess)) { + TEST_info("Unable to load SSL_SESSION"); + goto end; + } + /* + * We reset the creation time so that we don't discard the session as + * too old. + */ + if (!TEST_true(SSL_SESSION_set_time(sess, (long)time(NULL))) + || !TEST_true(SSL_set_session(con, sess))) + goto end; + } + + rbio = BIO_new(BIO_s_mem()); + wbio = BIO_new(BIO_s_mem()); + if (!TEST_ptr(rbio)|| !TEST_ptr(wbio)) { + BIO_free(rbio); + BIO_free(wbio); + goto end; + } + + SSL_set_bio(con, rbio, wbio); + SSL_set_connect_state(con); + + if (currtest == TEST_SET_SESSION_TICK_DATA_VER_NEG) { + if (!TEST_true(SSL_set_session_ticket_ext(con, dummytick, + strlen(dummytick)))) + goto end; + } + + if (!TEST_int_le(SSL_connect(con), 0)) { + /* This shouldn't succeed because we don't have a server! */ + goto end; + } + + len = BIO_get_mem_data(wbio, (char **)&data); + if (!TEST_true(PACKET_buf_init(&pkt, data, len)) + /* Skip the record header */ + || !PACKET_forward(&pkt, SSL3_RT_HEADER_LENGTH)) + goto end; + + msglen = PACKET_remaining(&pkt); + + /* Skip the handshake message header */ + if (!TEST_true(PACKET_forward(&pkt, SSL3_HM_HEADER_LENGTH)) + /* Skip client version and random */ + || !TEST_true(PACKET_forward(&pkt, CLIENT_VERSION_LEN + + SSL3_RANDOM_SIZE)) + /* Skip session id */ + || !TEST_true(PACKET_get_length_prefixed_1(&pkt, &pkt2)) + /* Skip ciphers */ + || !TEST_true(PACKET_get_length_prefixed_2(&pkt, &pkt2)) + /* Skip compression */ + || !TEST_true(PACKET_get_length_prefixed_1(&pkt, &pkt2)) + /* Extensions len */ + || !TEST_true(PACKET_as_length_prefixed_2(&pkt, &pkt2))) + goto end; + + /* Loop through all extensions */ + while (PACKET_remaining(&pkt2)) { + + if (!TEST_true(PACKET_get_net_2(&pkt2, &type)) + || !TEST_true(PACKET_get_length_prefixed_2(&pkt2, &pkt3))) + goto end; + + if (type == TLSEXT_TYPE_session_ticket) { + if (currtest == TEST_SET_SESSION_TICK_DATA_VER_NEG) { + if (TEST_true(PACKET_equal(&pkt3, dummytick, + strlen(dummytick)))) { + /* Ticket data is as we expected */ + testresult = 1; + } + goto end; + } + } + if (type == TLSEXT_TYPE_padding) { + if (!TEST_false(currtest == TEST_PADDING_NOT_NEEDED)) + goto end; + else if (TEST_true(currtest == TEST_ADD_PADDING + || currtest == TEST_ADD_PADDING_AND_PSK)) + testresult = TEST_true(msglen == F5_WORKAROUND_MAX_MSG_LEN); + } + } + + if (currtest == TEST_PADDING_NOT_NEEDED) + testresult = 1; + +end: + SSL_free(con); + SSL_CTX_free(ctx); + SSL_SESSION_free(sess); + BIO_free(sessbio); + + return testresult; +} + +int setup_tests(void) +{ + if (!TEST_ptr(sessionfile = test_get_argument(0))) + return 0; + + ADD_ALL_TESTS(test_client_hello, TOTAL_NUM_TESTS); + return 1; +} |