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wolfssl/tests/api/test_tls.c
Juliusz Sosinowicz b32c1aa15c fixup! Add message order sanity checks
2025-10-08 13:33:09 +02:00

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/* test_tls.c
*
* Copyright (C) 2006-2025 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* wolfSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
#include <tests/unit.h>
#ifdef NO_INLINE
#include <wolfssl/wolfcrypt/misc.h>
#else
#define WOLFSSL_MISC_INCLUDED
#include <wolfcrypt/src/misc.c>
#endif
#include <tests/utils.h>
#include <tests/api/test_tls.h>
int test_utils_memio_move_message(void)
{
EXPECT_DECLS;
#if defined(HAVE_MANUAL_MEMIO_TESTS_DEPENDENCIES)
WOLFSSL_CTX *ctx_c = NULL, *ctx_s = NULL;
WOLFSSL *ssl_c = NULL, *ssl_s = NULL;
struct test_memio_ctx test_ctx;
XMEMSET(&test_ctx, 0, sizeof(test_ctx));
ExpectIntEQ(test_memio_setup(&test_ctx, &ctx_c, &ctx_s, &ssl_c, &ssl_s,
wolfTLS_client_method, wolfTLS_server_method), 0);
wolfSSL_set_verify(ssl_s, WOLFSSL_VERIFY_PEER, NULL);
ExpectIntEQ(wolfSSL_clear_group_messages(ssl_s), 1);
/* start handshake, send first ClientHello */
ExpectIntEQ(wolfSSL_connect(ssl_c), -1);
ExpectIntEQ(wolfSSL_get_error(ssl_c, -1), WOLFSSL_ERROR_WANT_READ);
/* send server's flight */
ExpectIntEQ(wolfSSL_accept(ssl_s), -1);
ExpectIntEQ(wolfSSL_get_error(ssl_s, -1), WOLFSSL_ERROR_WANT_READ);
/* Move messages around but they should be the same at the end */
ExpectIntEQ(test_memio_move_message(&test_ctx, 1, 1, 2), 0);
ExpectIntEQ(test_memio_move_message(&test_ctx, 1, 2, 1), 0);
ExpectIntEQ(test_memio_move_message(&test_ctx, 1, 1, 3), 0);
ExpectIntEQ(test_memio_move_message(&test_ctx, 1, 3, 1), 0);
ExpectIntEQ(test_memio_move_message(&test_ctx, 1, 0, 2), 0);
ExpectIntEQ(test_memio_move_message(&test_ctx, 1, 2, 0), 0);
ExpectIntEQ(test_memio_do_handshake(ssl_c, ssl_s, 10, NULL), 0);
wolfSSL_free(ssl_c);
wolfSSL_free(ssl_s);
wolfSSL_CTX_free(ctx_c);
wolfSSL_CTX_free(ctx_s);
#endif
return EXPECT_RESULT();
}
int test_tls12_unexpected_ccs(void)
{
EXPECT_DECLS;
#if defined(HAVE_MANUAL_MEMIO_TESTS_DEPENDENCIES) && !defined(WOLFSSL_NO_TLS12)
const byte ccs[] = {
0x14, /* ccs type */
0x03, 0x03, /* version */
0x00, 0x01, /* length */
0x01, /* ccs value */
};
const byte badccs[] = {
0x14, /* ccs type */
0x03, 0x03, /* version */
0x00, 0x01, /* length */
0x99, /* wrong ccs value */
};
WOLFSSL_CTX *ctx_s = NULL;
WOLFSSL *ssl_s = NULL;
struct test_memio_ctx test_ctx;
/* ccs in the wrong place */
XMEMSET(&test_ctx, 0, sizeof(test_ctx));
/* inject SH */
ExpectIntEQ(test_memio_inject_message(&test_ctx, 0,
(const char*)ccs, sizeof(ccs)), 0);
ExpectIntEQ(test_memio_setup(&test_ctx, NULL, &ctx_s, NULL, &ssl_s,
NULL, wolfTLSv1_2_server_method), 0);
ExpectIntEQ(wolfSSL_accept(ssl_s), WOLFSSL_FATAL_ERROR);
ExpectIntEQ(wolfSSL_get_error(ssl_s, WOLFSSL_FATAL_ERROR),
OUT_OF_ORDER_E);
wolfSSL_free(ssl_s);
wolfSSL_CTX_free(ctx_s);
ctx_s = NULL;
ssl_s = NULL;
/* malformed ccs */
XMEMSET(&test_ctx, 0, sizeof(test_ctx));
ExpectIntEQ(test_memio_inject_message(&test_ctx, 0,
(const char*)badccs, sizeof(badccs)), 0);
ExpectIntEQ(test_memio_setup(&test_ctx, NULL, &ctx_s, NULL, &ssl_s,
NULL, wolfTLSv1_2_server_method), 0);
ExpectIntEQ(wolfSSL_accept(ssl_s), WOLFSSL_FATAL_ERROR);
ExpectIntEQ(wolfSSL_get_error(ssl_s, WOLFSSL_FATAL_ERROR),
LENGTH_ERROR);
wolfSSL_free(ssl_s);
wolfSSL_CTX_free(ctx_s);
#endif
return EXPECT_RESULT();
}
int test_tls13_unexpected_ccs(void)
{
EXPECT_DECLS;
#if defined(HAVE_MANUAL_MEMIO_TESTS_DEPENDENCIES) && defined(WOLFSSL_TLS13)
const byte ccs[] = {
0x14, /* ccs type */
0x03, 0x03, /* version */
0x00, 0x01, /* length */
0x01, /* ccs value */
};
const byte badccs[] = {
0x14, /* ccs type */
0x03, 0x03, /* version */
0x00, 0x01, /* length */
0x99, /* wrong ccs value */
};
const byte unexpectedAlert[] = {
0x15, /* alert type */
0x03, 0x03, /* version */
0x00, 0x02, /* length */
0x02, /* level: fatal */
0x0a /* protocol version */
};
WOLFSSL_CTX *ctx_s = NULL;
WOLFSSL *ssl_s = NULL;
struct test_memio_ctx test_ctx;
/* ccs can't appear before a CH */
XMEMSET(&test_ctx, 0, sizeof(test_ctx));
ExpectIntEQ(test_memio_inject_message(&test_ctx, 0,
(const char*)ccs, sizeof(ccs)), 0);
ExpectIntEQ(test_memio_setup(&test_ctx, NULL, &ctx_s, NULL, &ssl_s,
NULL, wolfTLSv1_3_server_method), 0);
ExpectIntEQ(wolfSSL_accept(ssl_s), WOLFSSL_FATAL_ERROR);
ExpectIntEQ(wolfSSL_get_error(ssl_s, WOLFSSL_FATAL_ERROR),
UNKNOWN_RECORD_TYPE);
ExpectIntEQ(test_ctx.c_len, sizeof(unexpectedAlert));
ExpectBufEQ(test_ctx.c_buff, unexpectedAlert, sizeof(unexpectedAlert));
wolfSSL_free(ssl_s);
wolfSSL_CTX_free(ctx_s);
ctx_s = NULL;
ssl_s = NULL;
/* malformed ccs */
XMEMSET(&test_ctx, 0, sizeof(test_ctx));
ExpectIntEQ(test_memio_inject_message(&test_ctx, 0,
(const char*)badccs, sizeof(badccs)), 0);
ExpectIntEQ(test_memio_setup(&test_ctx, NULL, &ctx_s, NULL, &ssl_s,
NULL, wolfTLSv1_3_server_method), 0);
ExpectIntEQ(wolfSSL_accept(ssl_s), WOLFSSL_FATAL_ERROR);
ExpectIntEQ(wolfSSL_get_error(ssl_s, WOLFSSL_FATAL_ERROR),
UNKNOWN_RECORD_TYPE);
ExpectIntEQ(test_ctx.c_len, sizeof(unexpectedAlert));
ExpectBufEQ(test_ctx.c_buff, unexpectedAlert, sizeof(unexpectedAlert));
wolfSSL_free(ssl_s);
wolfSSL_CTX_free(ctx_s);
#endif
return EXPECT_RESULT();
}
int test_tls12_curve_intersection(void) {
EXPECT_DECLS;
#if defined(HAVE_MANUAL_MEMIO_TESTS_DEPENDENCIES) && \
!defined(WOLFSSL_NO_TLS12) && defined(HAVE_ECC) && \
defined(HAVE_CURVE25519)
WOLFSSL_CTX *ctx_c = NULL, *ctx_s = NULL;
WOLFSSL *ssl_c = NULL, *ssl_s = NULL;
struct test_memio_ctx test_ctx;
int ret;
const char* curve_name;
int test1[] = {WOLFSSL_ECC_SECP256R1};
int test2[] = {WOLFSSL_ECC_SECP384R1};
int test3[] = {WOLFSSL_ECC_SECP256R1, WOLFSSL_ECC_SECP384R1};
int test4[] = {WOLFSSL_ECC_SECP384R1, WOLFSSL_ECC_SECP256R1};
XMEMSET(&test_ctx, 0, sizeof(test_ctx));
ExpectIntEQ(test_memio_setup(&test_ctx, &ctx_c, &ctx_s, &ssl_c, &ssl_s,
wolfTLSv1_2_client_method, wolfTLSv1_2_server_method), 0);
ExpectIntEQ(wolfSSL_set_groups(ssl_c,
test1, 1), WOLFSSL_SUCCESS);
ExpectIntEQ(test_memio_do_handshake(ssl_c, ssl_s, 10, NULL), 0);
/* Fix: Get curve name and compare with string comparison or use curve
* ID function */
curve_name = wolfSSL_get_curve_name(ssl_s);
/* or use appropriate string comparison */
ExpectStrEQ(curve_name, "SECP256R1");
curve_name = wolfSSL_get_curve_name(ssl_c);
ExpectStrEQ(curve_name, "SECP256R1");
wolfSSL_free(ssl_c);
wolfSSL_free(ssl_s);
wolfSSL_CTX_free(ctx_c);
wolfSSL_CTX_free(ctx_s);
ssl_c = NULL;
ssl_s = NULL;
ctx_c = NULL;
ctx_s = NULL;
XMEMSET(&test_ctx, 0, sizeof(test_ctx));
ExpectIntEQ(test_memio_setup(&test_ctx, &ctx_c, &ctx_s, &ssl_c, &ssl_s,
wolfTLSv1_2_client_method, wolfTLSv1_2_server_method), 0);
ExpectIntEQ(wolfSSL_set_groups(ssl_c,
test2, 1), WOLFSSL_SUCCESS);
ExpectIntEQ(wolfSSL_set_groups(ssl_s,
test1, 1), WOLFSSL_SUCCESS);
ExpectIntNE(test_memio_do_handshake(ssl_c, ssl_s, 10, NULL), 0);
ret = wolfSSL_get_error(ssl_s, WOLFSSL_FATAL_ERROR);
/* Fix: Use proper constant or define HANDSHAKE_FAILURE */
ExpectTrue(ret == WC_NO_ERR_TRACE(ECC_CURVE_ERROR));
wolfSSL_free(ssl_c);
wolfSSL_free(ssl_s);
wolfSSL_CTX_free(ctx_c);
wolfSSL_CTX_free(ctx_s);
ssl_c = NULL;
ssl_s = NULL;
ctx_c = NULL;
ctx_s = NULL;
XMEMSET(&test_ctx, 0, sizeof(test_ctx));
ExpectIntEQ(test_memio_setup(&test_ctx, &ctx_c, &ctx_s, &ssl_c, &ssl_s,
wolfTLSv1_2_client_method, wolfTLSv1_2_server_method), 0);
ExpectIntEQ(wolfSSL_set_groups(ssl_c,
test3, 2),
WOLFSSL_SUCCESS);
ExpectIntEQ(wolfSSL_set_groups(ssl_s,
test4, 2),
WOLFSSL_SUCCESS);
ExpectIntEQ(test_memio_do_handshake(ssl_c, ssl_s, 10, NULL), 0);
curve_name = wolfSSL_get_curve_name(ssl_s);
ExpectStrEQ(curve_name, "SECP256R1");
curve_name = wolfSSL_get_curve_name(ssl_c);
ExpectStrEQ(curve_name, "SECP256R1");
wolfSSL_free(ssl_c);
wolfSSL_free(ssl_s);
wolfSSL_CTX_free(ctx_c);
wolfSSL_CTX_free(ctx_s);
#endif
return EXPECT_RESULT();
}
int test_tls13_curve_intersection(void) {
EXPECT_DECLS;
#if defined(HAVE_MANUAL_MEMIO_TESTS_DEPENDENCIES) && \
defined(WOLFSSL_TLS13) && defined(HAVE_ECC) && defined(HAVE_CURVE25519)
WOLFSSL_CTX *ctx_c = NULL, *ctx_s = NULL;
WOLFSSL *ssl_c = NULL, *ssl_s = NULL;
struct test_memio_ctx test_ctx;
const char* curve_name;
int test1[] ={WOLFSSL_ECC_SECP256R1};
XMEMSET(&test_ctx, 0, sizeof(test_ctx));
ExpectIntEQ(test_memio_setup(&test_ctx, &ctx_c, &ctx_s, &ssl_c, &ssl_s,
wolfTLSv1_3_client_method, wolfTLSv1_3_server_method), 0);
ExpectIntEQ(wolfSSL_set_groups(ssl_c,
test1, 1), WOLFSSL_SUCCESS);
ExpectIntEQ(test_memio_do_handshake(ssl_c, ssl_s, 10, NULL), 0);
curve_name = wolfSSL_get_curve_name(ssl_s);
ExpectStrEQ(curve_name, "SECP256R1");
curve_name = wolfSSL_get_curve_name(ssl_c);
ExpectStrEQ(curve_name, "SECP256R1");
wolfSSL_free(ssl_c);
wolfSSL_free(ssl_s);
wolfSSL_CTX_free(ctx_c);
wolfSSL_CTX_free(ctx_s);
#endif
return EXPECT_RESULT();
}
int test_tls_certreq_order(void)
{
EXPECT_DECLS;
#if defined(HAVE_MANUAL_MEMIO_TESTS_DEPENDENCIES) && \
!defined(WOLFSSL_NO_TLS12) && defined(HAVE_AESGCM) && \
defined(WOLFSSL_AES_256) && defined(WOLFSSL_SHA384) && !defined(NO_RSA) && \
defined(HAVE_ECC)
/* This test checks that a certificate request message
* received before server certificate message is properly detected.
*/
WOLFSSL_CTX *ctx_c = NULL, *ctx_s = NULL;
WOLFSSL *ssl_c = NULL, *ssl_s = NULL;
struct test_memio_ctx test_ctx;
int i = 0;
const char* msg = NULL;
int msgSz = 0;
int certIdx = 0;
int certReqIdx = 0;
XMEMSET(&test_ctx, 0, sizeof(test_ctx));
ExpectIntEQ(test_memio_setup(&test_ctx, &ctx_c, &ctx_s, &ssl_c, &ssl_s,
wolfTLSv1_2_client_method, wolfTLSv1_2_server_method), 0);
wolfSSL_set_verify(ssl_s, WOLFSSL_VERIFY_PEER, NULL);
ExpectIntEQ(wolfSSL_clear_group_messages(ssl_s), 1);
/* start handshake, send first ClientHello */
ExpectIntEQ(wolfSSL_connect(ssl_c), -1);
ExpectIntEQ(wolfSSL_get_error(ssl_c, -1), WOLFSSL_ERROR_WANT_READ);
/* send server's flight */
ExpectIntEQ(wolfSSL_accept(ssl_s), -1);
ExpectIntEQ(wolfSSL_get_error(ssl_s, -1), WOLFSSL_ERROR_WANT_READ);
for (i = 0; test_memio_get_message(&test_ctx, 1, &msg, &msgSz, i) == 0; i++) {
if (msg[5] == 11) /* cert */
certIdx = i;
if (msg[5] == 13) /* certreq */
certReqIdx = i;
}
ExpectIntNE(certIdx, 0);
ExpectIntNE(certReqIdx, 0);
ExpectIntEQ(test_memio_move_message(&test_ctx, 1, certReqIdx, certIdx), 0);
ExpectIntEQ(wolfSSL_connect(ssl_c), -1);
ExpectIntEQ(wolfSSL_get_error(ssl_c, -1), OUT_OF_ORDER_E);
wolfSSL_free(ssl_c);
wolfSSL_free(ssl_s);
wolfSSL_CTX_free(ctx_c);
wolfSSL_CTX_free(ctx_s);
#endif
return EXPECT_RESULT();
}
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