clienthellotest.c revision 291721 
1/* Written by Matt Caswell for the OpenSSL Project */
2/* ====================================================================
3 * Copyright (c) 1998-2015 The OpenSSL Project.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in
14 *    the documentation and/or other materials provided with the
15 *    distribution.
16 *
17 * 3. All advertising materials mentioning features or use of this
18 *    software must display the following acknowledgment:
19 *    "This product includes software developed by the OpenSSL Project
20 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21 *
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 *    endorse or promote products derived from this software without
24 *    prior written permission. For written permission, please contact
25 *    openssl-core@openssl.org.
26 *
27 * 5. Products derived from this software may not be called "OpenSSL"
28 *    nor may "OpenSSL" appear in their names without prior written
29 *    permission of the OpenSSL Project.
30 *
31 * 6. Redistributions of any form whatsoever must retain the following
32 *    acknowledgment:
33 *    "This product includes software developed by the OpenSSL Project
34 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 *
50 * This product includes cryptographic software written by Eric Young
51 * (eay@cryptsoft.com).  This product includes software written by Tim
52 * Hudson (tjh@cryptsoft.com).
53 *
54 */
55
56#include <string.h>
57
58#include <openssl/bio.h>
59#include <openssl/crypto.h>
60#include <openssl/evp.h>
61#include <openssl/ssl.h>
62#include <openssl/err.h>
63
64
65#define CLIENT_VERSION_LEN      2
66#define SESSION_ID_LEN_LEN      1
67#define CIPHERS_LEN_LEN         2
68#define COMPRESSION_LEN_LEN     1
69#define EXTENSIONS_LEN_LEN      2
70#define EXTENSION_TYPE_LEN      2
71#define EXTENSION_SIZE_LEN      2
72
73
74#define TOTAL_NUM_TESTS                         2
75
76/*
77 * Test that explicitly setting ticket data results in it appearing in the
78 * ClientHello for TLS1.2
79 */
80#define TEST_SET_SESSION_TICK_DATA_TLS_1_2      0
81
82/*
83 * Test that explicitly setting ticket data results in it appearing in the
84 * ClientHello for a negotiated SSL/TLS version
85 */
86#define TEST_SET_SESSION_TICK_DATA_VER_NEG      1
87
88int main(int argc, char *argv[])
89{
90    SSL_CTX *ctx;
91    SSL *con;
92    BIO *rbio;
93    BIO *wbio;
94    BIO *err;
95    long len;
96    unsigned char *data;
97    unsigned char *dataend;
98    char *dummytick = "Hello World!";
99    unsigned int tmplen;
100    unsigned int type;
101    unsigned int size;
102    int testresult = 0;
103    int currtest = 0;
104
105    SSL_library_init();
106    SSL_load_error_strings();
107
108    err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT);
109
110    CRYPTO_malloc_debug_init();
111    CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
112    CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
113
114    /*
115     * For each test set up an SSL_CTX and SSL and see what ClientHello gets
116     * produced when we try to connect
117     */
118    for (; currtest < TOTAL_NUM_TESTS; currtest++) {
119        testresult = 0;
120        if (currtest == TEST_SET_SESSION_TICK_DATA_TLS_1_2) {
121            ctx = SSL_CTX_new(TLSv1_2_method());
122        } else {
123            ctx = SSL_CTX_new(SSLv23_method());
124        }
125        con = SSL_new(ctx);
126
127        rbio = BIO_new(BIO_s_mem());
128        wbio = BIO_new(BIO_s_mem());
129        SSL_set_bio(con, rbio, wbio);
130        SSL_set_connect_state(con);
131
132        if (currtest == TEST_SET_SESSION_TICK_DATA_TLS_1_2
133                || currtest == TEST_SET_SESSION_TICK_DATA_VER_NEG) {
134            if (!SSL_set_session_ticket_ext(con, dummytick, strlen(dummytick)))
135                goto end;
136        }
137
138        if (SSL_connect(con) > 0) {
139            /* This shouldn't succeed because we don't have a server! */
140            goto end;
141        }
142
143        len = BIO_get_mem_data(wbio, (char **)&data);
144        dataend = data + len;
145
146        /* Skip the record header */
147        data += SSL3_RT_HEADER_LENGTH;
148        /* Skip the handshake message header */
149        data += SSL3_HM_HEADER_LENGTH;
150        /* Skip client version and random */
151        data += CLIENT_VERSION_LEN + SSL3_RANDOM_SIZE;
152        if (data + SESSION_ID_LEN_LEN > dataend)
153            goto end;
154        /* Skip session id */
155        tmplen = *data;
156        data += SESSION_ID_LEN_LEN + tmplen;
157        if (data + CIPHERS_LEN_LEN > dataend)
158            goto end;
159        /* Skip ciphers */
160        tmplen = ((*data) << 8) | *(data + 1);
161        data += CIPHERS_LEN_LEN + tmplen;
162        if (data + COMPRESSION_LEN_LEN > dataend)
163            goto end;
164        /* Skip compression */
165        tmplen = *data;
166        data += COMPRESSION_LEN_LEN + tmplen;
167        if (data + EXTENSIONS_LEN_LEN > dataend)
168            goto end;
169        /* Extensions len */
170        tmplen = ((*data) << 8) | *(data + 1);
171        data += EXTENSIONS_LEN_LEN;
172        if (data + tmplen > dataend)
173            goto end;
174
175        /* Loop through all extensions */
176        while (tmplen > EXTENSION_TYPE_LEN + EXTENSION_SIZE_LEN) {
177            type = ((*data) << 8) | *(data + 1);
178            data += EXTENSION_TYPE_LEN;
179            size = ((*data) << 8) | *(data + 1);
180            data += EXTENSION_SIZE_LEN;
181            if (data + size > dataend)
182                goto end;
183
184            if (type == TLSEXT_TYPE_session_ticket) {
185                if (currtest == TEST_SET_SESSION_TICK_DATA_TLS_1_2
186                        || currtest == TEST_SET_SESSION_TICK_DATA_VER_NEG) {
187                    if (size == strlen(dummytick)
188                            && memcmp(data, dummytick, size) == 0) {
189                        /* Ticket data is as we expected */
190                        testresult = 1;
191                    } else {
192                        printf("Received session ticket is not as expected\n");
193                    }
194                    break;
195                }
196            }
197
198            tmplen -= EXTENSION_TYPE_LEN + EXTENSION_SIZE_LEN + size;
199            data += size;
200        }
201
202 end:
203        SSL_free(con);
204        SSL_CTX_free(ctx);
205        if (!testresult) {
206            printf("ClientHello test: FAILED (Test %d)\n", currtest);
207            break;
208        }
209    }
210
211    ERR_free_strings();
212    ERR_remove_thread_state(NULL);
213    EVP_cleanup();
214    CRYPTO_cleanup_all_ex_data();
215    CRYPTO_mem_leaks(err);
216
217    return testresult?0:1;
218}
219