dtlstest.c revision 306195 
1/*
2 * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License").  You may not use
5 * this file except in compliance with the License.  You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include <openssl/bio.h>
11#include <openssl/crypto.h>
12#include <openssl/ssl.h>
13#include <openssl/err.h>
14
15#include "ssltestlib.h"
16#include "testutil.h"
17
18static char *cert = NULL;
19static char *privkey = NULL;
20
21#define NUM_TESTS   2
22
23
24#define DUMMY_CERT_STATUS_LEN  12
25
26unsigned char certstatus[] = {
27    SSL3_RT_HANDSHAKE, /* Content type */
28    0xfe, 0xfd, /* Record version */
29    0, 1, /* Epoch */
30    0, 0, 0, 0, 0, 0x0f, /* Record sequence number */
31    0, DTLS1_HM_HEADER_LENGTH + DUMMY_CERT_STATUS_LEN - 2,
32    SSL3_MT_CERTIFICATE_STATUS, /* Cert Status handshake message type */
33    0, 0, DUMMY_CERT_STATUS_LEN, /* Message len */
34    0, 5, /* Message sequence */
35    0, 0, 0, /* Fragment offset */
36    0, 0, DUMMY_CERT_STATUS_LEN - 2, /* Fragment len */
37    0x80, 0x80, 0x80, 0x80, 0x80,
38    0x80, 0x80, 0x80, 0x80, 0x80 /* Dummy data */
39};
40
41#define RECORD_SEQUENCE 10
42
43static int test_dtls_unprocessed(int testidx)
44{
45    SSL_CTX *sctx = NULL, *cctx = NULL;
46    SSL *serverssl1 = NULL, *clientssl1 = NULL;
47    BIO *c_to_s_fbio, *c_to_s_mempacket;
48    int testresult = 0;
49
50    printf("Starting Test %d\n", testidx);
51
52    if (!create_ssl_ctx_pair(DTLS_server_method(), DTLS_client_method(), &sctx,
53                             &cctx, cert, privkey)) {
54        printf("Unable to create SSL_CTX pair\n");
55        return 0;
56    }
57
58    if (!SSL_CTX_set_ecdh_auto(sctx, 1)) {
59        printf("Failed configuring auto ECDH\n");
60    }
61
62    if (!SSL_CTX_set_cipher_list(cctx, "AES128-SHA")) {
63        printf("Failed setting cipher list\n");
64    }
65
66    c_to_s_fbio = BIO_new(bio_f_tls_dump_filter());
67    if (c_to_s_fbio == NULL) {
68        printf("Failed to create filter BIO\n");
69        goto end;
70    }
71
72    /* BIO is freed by create_ssl_connection on error */
73    if (!create_ssl_objects(sctx, cctx, &serverssl1, &clientssl1, NULL,
74                               c_to_s_fbio)) {
75        printf("Unable to create SSL objects\n");
76        ERR_print_errors_fp(stdout);
77        goto end;
78    }
79
80    if (testidx == 1)
81        certstatus[RECORD_SEQUENCE] = 0xff;
82
83    /*
84     * Inject a dummy record from the next epoch. In test 0, this should never
85     * get used because the message sequence number is too big. In test 1 we set
86     * the record sequence number to be way off in the future. This should not
87     * have an impact on the record replay protection because the record should
88     * be dropped before it is marked as arrivedg
89     */
90    c_to_s_mempacket = SSL_get_wbio(clientssl1);
91    c_to_s_mempacket = BIO_next(c_to_s_mempacket);
92    mempacket_test_inject(c_to_s_mempacket, (char *)certstatus,
93                          sizeof(certstatus), 1, INJECT_PACKET_IGNORE_REC_SEQ);
94
95    if (!create_ssl_connection(serverssl1, clientssl1)) {
96        printf("Unable to create SSL connection\n");
97        ERR_print_errors_fp(stdout);
98        goto end;
99    }
100
101    testresult = 1;
102 end:
103    SSL_free(serverssl1);
104    SSL_free(clientssl1);
105    SSL_CTX_free(sctx);
106    SSL_CTX_free(cctx);
107
108    return testresult;
109}
110
111int main(int argc, char *argv[])
112{
113    BIO *err = NULL;
114    int testresult = 0;
115
116    if (argc != 3) {
117        printf("Invalid argument count\n");
118        return 1;
119    }
120
121    cert = argv[1];
122    privkey = argv[2];
123
124    err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT);
125
126    SSL_library_init();
127    SSL_load_error_strings();
128
129    CRYPTO_malloc_debug_init();
130    CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL);
131    CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
132
133    if (!test_dtls_unprocessed(0) || !test_dtls_unprocessed(1))
134        testresult = 1;
135
136    ERR_free_strings();
137    ERR_remove_thread_state(NULL);
138    EVP_cleanup();
139    CRYPTO_cleanup_all_ex_data();
140    CRYPTO_mem_leaks(err);
141    BIO_free(err);
142
143    if (!testresult)
144        printf("PASS\n");
145
146    return testresult;
147}
148