2 * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (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
11 #include "ssltestlib.h"
14 static int docorrupt
= 0;
16 static void copy_flags(BIO
*bio
)
19 BIO
*next
= BIO_next(bio
);
21 flags
= BIO_test_flags(next
, BIO_FLAGS_SHOULD_RETRY
| BIO_FLAGS_RWS
);
22 BIO_clear_flags(bio
, BIO_FLAGS_SHOULD_RETRY
| BIO_FLAGS_RWS
);
23 BIO_set_flags(bio
, flags
);
26 static int tls_corrupt_read(BIO
*bio
, char *out
, int outl
)
29 BIO
*next
= BIO_next(bio
);
31 ret
= BIO_read(next
, out
, outl
);
37 static int tls_corrupt_write(BIO
*bio
, const char *in
, int inl
)
40 BIO
*next
= BIO_next(bio
);
44 if (!TEST_ptr(copy
= BUF_memdup(in
, inl
)))
46 /* corrupt last bit of application data */
48 ret
= BIO_write(next
, copy
, inl
);
51 ret
= BIO_write(next
, in
, inl
);
58 static long tls_corrupt_ctrl(BIO
*bio
, int cmd
, long num
, void *ptr
)
61 BIO
*next
= BIO_next(bio
);
71 ret
= BIO_ctrl(next
, cmd
, num
, ptr
);
77 static int tls_corrupt_gets(BIO
*bio
, char *buf
, int size
)
79 /* We don't support this - not needed anyway */
83 static int tls_corrupt_puts(BIO
*bio
, const char *str
)
85 /* We don't support this - not needed anyway */
89 static int tls_corrupt_new(BIO
*bio
)
96 static int tls_corrupt_free(BIO
*bio
)
103 #define BIO_TYPE_CUSTOM_FILTER (0x80 | BIO_TYPE_FILTER)
105 static BIO_METHOD
*method_tls_corrupt
= NULL
;
107 /* Note: Not thread safe! */
108 static const BIO_METHOD
*bio_f_tls_corrupt_filter(void)
110 if (method_tls_corrupt
== NULL
) {
111 method_tls_corrupt
= BIO_meth_new(BIO_TYPE_CUSTOM_FILTER
,
112 "TLS corrupt filter");
113 if ( method_tls_corrupt
== NULL
114 || !BIO_meth_set_write(method_tls_corrupt
, tls_corrupt_write
)
115 || !BIO_meth_set_read(method_tls_corrupt
, tls_corrupt_read
)
116 || !BIO_meth_set_puts(method_tls_corrupt
, tls_corrupt_puts
)
117 || !BIO_meth_set_gets(method_tls_corrupt
, tls_corrupt_gets
)
118 || !BIO_meth_set_ctrl(method_tls_corrupt
, tls_corrupt_ctrl
)
119 || !BIO_meth_set_create(method_tls_corrupt
, tls_corrupt_new
)
120 || !BIO_meth_set_destroy(method_tls_corrupt
, tls_corrupt_free
))
123 return method_tls_corrupt
;
126 static void bio_f_tls_corrupt_filter_free(void)
128 BIO_meth_free(method_tls_corrupt
);
132 * The test is supposed to be executed with RSA key, customarily
133 * with apps/server.pem used even in other tests. For this reason
134 * |cipher_list| is initialized with RSA ciphers' names. This
135 * naturally means that if test is to be re-purposed for other
136 * type of key, then NID_auth_* filter below would need adjustment.
138 static const char **cipher_list
= NULL
;
140 static int setup_cipher_list(void)
144 STACK_OF(SSL_CIPHER
) *sk_ciphers
= NULL
;
145 int i
, j
, numciphers
= 0;
147 if (!TEST_ptr(ctx
= SSL_CTX_new(TLS_server_method()))
148 || !TEST_ptr(ssl
= SSL_new(ctx
))
149 || !TEST_ptr(sk_ciphers
= SSL_get1_supported_ciphers(ssl
)))
153 * The |cipher_list| will be filled only with names of RSA ciphers,
154 * so that some of the allocated space will be wasted, but the loss
155 * is deemed acceptable...
157 cipher_list
= OPENSSL_malloc(sk_SSL_CIPHER_num(sk_ciphers
) *
158 sizeof(cipher_list
[0]));
159 if (!TEST_ptr(cipher_list
))
162 for (j
= 0, i
= 0; i
< sk_SSL_CIPHER_num(sk_ciphers
); i
++) {
163 const SSL_CIPHER
*cipher
= sk_SSL_CIPHER_value(sk_ciphers
, i
);
165 if (SSL_CIPHER_get_auth_nid(cipher
) == NID_auth_rsa
)
166 cipher_list
[j
++] = SSL_CIPHER_get_name(cipher
);
168 if (TEST_int_ne(j
, 0))
172 sk_SSL_CIPHER_free(sk_ciphers
);
179 static char *cert
= NULL
;
180 static char *privkey
= NULL
;
182 static int test_ssl_corrupt(int testidx
)
184 static unsigned char junk
[16000] = { 0 };
185 SSL_CTX
*sctx
= NULL
, *cctx
= NULL
;
186 SSL
*server
= NULL
, *client
= NULL
;
189 STACK_OF(SSL_CIPHER
) *ciphers
;
190 const SSL_CIPHER
*currcipher
;
194 TEST_info("Starting #%d, %s", testidx
, cipher_list
[testidx
]);
196 if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(),
197 TLS1_VERSION
, TLS_MAX_VERSION
,
198 &sctx
, &cctx
, cert
, privkey
)))
201 if (!TEST_true(SSL_CTX_set_cipher_list(cctx
, cipher_list
[testidx
]))
202 || !TEST_true(SSL_CTX_set_ciphersuites(cctx
, ""))
203 || !TEST_ptr(ciphers
= SSL_CTX_get_ciphers(cctx
))
204 || !TEST_int_eq(sk_SSL_CIPHER_num(ciphers
), 1)
205 || !TEST_ptr(currcipher
= sk_SSL_CIPHER_value(ciphers
, 0)))
209 * No ciphers we are using are TLSv1.3 compatible so we should not attempt
210 * to negotiate TLSv1.3
212 if (!TEST_true(SSL_CTX_set_max_proto_version(cctx
, TLS1_2_VERSION
)))
215 if (!TEST_ptr(c_to_s_fbio
= BIO_new(bio_f_tls_corrupt_filter())))
218 /* BIO is freed by create_ssl_connection on error */
219 if (!TEST_true(create_ssl_objects(sctx
, cctx
, &server
, &client
, NULL
,
223 if (!TEST_true(create_ssl_connection(server
, client
, SSL_ERROR_NONE
)))
228 if (!TEST_int_ge(SSL_write(client
, junk
, sizeof(junk
)), 0))
231 if (!TEST_int_lt(SSL_read(server
, junk
, sizeof(junk
)), 0))
234 if (!TEST_int_eq(ERR_GET_REASON(ERR_peek_error()),
235 SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC
))
247 int setup_tests(void)
251 if (!TEST_ptr(cert
= test_get_argument(0))
252 || !TEST_ptr(privkey
= test_get_argument(1))) {
253 TEST_note("Usage error: require cert and private key files");
257 n
= setup_cipher_list();
259 ADD_ALL_TESTS(test_ssl_corrupt
, n
);
263 void cleanup_tests(void)
265 bio_f_tls_corrupt_filter_free();
266 OPENSSL_free(cipher_list
);