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source: vbox/trunk/src/libs/openssl-3.1.0/apps/ciphers.c@ 100111

Last change on this file since 100111 was 99366, checked in by vboxsync, 21 months ago

openssl-3.1.0: Applied and adjusted our OpenSSL changes to 3.0.7. bugref:10418
File size: 7.8 KB
Line 
1/*
2 * Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved.
3 *
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
8 */
9
10#include <stdio.h>
11#include <stdlib.h>
12#include <string.h>
13#include "apps.h"
14#include "progs.h"
15#include <openssl/err.h>
16#include <openssl/ssl.h>
17#include "s_apps.h"
18
19typedef enum OPTION_choice {
20 OPT_COMMON,
21 OPT_STDNAME,
22 OPT_CONVERT,
23 OPT_SSL3,
24 OPT_TLS1,
25 OPT_TLS1_1,
26 OPT_TLS1_2,
27 OPT_TLS1_3,
28 OPT_PSK,
29 OPT_SRP,
30 OPT_CIPHERSUITES,
31 OPT_V, OPT_UPPER_V, OPT_S, OPT_PROV_ENUM
32} OPTION_CHOICE;
33
34const OPTIONS ciphers_options[] = {
35 {OPT_HELP_STR, 1, '-', "Usage: %s [options] [cipher]\n"},
36
37 OPT_SECTION("General"),
38 {"help", OPT_HELP, '-', "Display this summary"},
39
40 OPT_SECTION("Output"),
41 {"v", OPT_V, '-', "Verbose listing of the SSL/TLS ciphers"},
42 {"V", OPT_UPPER_V, '-', "Even more verbose"},
43 {"stdname", OPT_STDNAME, '-', "Show standard cipher names"},
44 {"convert", OPT_CONVERT, 's', "Convert standard name into OpenSSL name"},
45
46 OPT_SECTION("Cipher specification"),
47 {"s", OPT_S, '-', "Only supported ciphers"},
48#ifndef OPENSSL_NO_SSL3
49 {"ssl3", OPT_SSL3, '-', "Ciphers compatible with SSL3"},
50#endif
51#ifndef OPENSSL_NO_TLS1
52 {"tls1", OPT_TLS1, '-', "Ciphers compatible with TLS1"},
53#endif
54#ifndef OPENSSL_NO_TLS1_1
55 {"tls1_1", OPT_TLS1_1, '-', "Ciphers compatible with TLS1.1"},
56#endif
57#ifndef OPENSSL_NO_TLS1_2
58 {"tls1_2", OPT_TLS1_2, '-', "Ciphers compatible with TLS1.2"},
59#endif
60#ifndef OPENSSL_NO_TLS1_3
61 {"tls1_3", OPT_TLS1_3, '-', "Ciphers compatible with TLS1.3"},
62#endif
63#ifndef OPENSSL_NO_PSK
64 {"psk", OPT_PSK, '-', "Include ciphersuites requiring PSK"},
65#endif
66#ifndef OPENSSL_NO_SRP
67 {"srp", OPT_SRP, '-', "(deprecated) Include ciphersuites requiring SRP"},
68#endif
69 {"ciphersuites", OPT_CIPHERSUITES, 's',
70 "Configure the TLSv1.3 ciphersuites to use"},
71 OPT_PROV_OPTIONS,
72
73 OPT_PARAMETERS(),
74 {"cipher", 0, 0, "Cipher string to decode (optional)"},
75 {NULL}
76};
77
78#ifndef OPENSSL_NO_PSK
79static unsigned int dummy_psk(SSL *ssl, const char *hint, char *identity,
80 unsigned int max_identity_len,
81 unsigned char *psk,
82 unsigned int max_psk_len)
83{
84 return 0;
85}
86#endif
87
88int ciphers_main(int argc, char **argv)
89{
90 SSL_CTX *ctx = NULL;
91 SSL *ssl = NULL;
92 STACK_OF(SSL_CIPHER) *sk = NULL;
93 const SSL_METHOD *meth = TLS_server_method();
94 int ret = 1, i, verbose = 0, Verbose = 0, use_supported = 0;
95 int stdname = 0;
96#ifndef OPENSSL_NO_PSK
97 int psk = 0;
98#endif
99#ifndef OPENSSL_NO_SRP
100 int srp = 0;
101#endif
102 const char *p;
103 char *ciphers = NULL, *prog, *convert = NULL, *ciphersuites = NULL;
104 char buf[512];
105 OPTION_CHOICE o;
106 int min_version = 0, max_version = 0;
107
108 prog = opt_init(argc, argv, ciphers_options);
109 while ((o = opt_next()) != OPT_EOF) {
110 switch (o) {
111 case OPT_EOF:
112 case OPT_ERR:
113 opthelp:
114 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
115 goto end;
116 case OPT_HELP:
117 opt_help(ciphers_options);
118 ret = 0;
119 goto end;
120 case OPT_V:
121 verbose = 1;
122 break;
123 case OPT_UPPER_V:
124 verbose = Verbose = 1;
125 break;
126 case OPT_S:
127 use_supported = 1;
128 break;
129 case OPT_STDNAME:
130 stdname = verbose = 1;
131 break;
132 case OPT_CONVERT:
133 convert = opt_arg();
134 break;
135 case OPT_SSL3:
136 min_version = SSL3_VERSION;
137 max_version = SSL3_VERSION;
138 break;
139 case OPT_TLS1:
140 min_version = TLS1_VERSION;
141 max_version = TLS1_VERSION;
142 break;
143 case OPT_TLS1_1:
144 min_version = TLS1_1_VERSION;
145 max_version = TLS1_1_VERSION;
146 break;
147 case OPT_TLS1_2:
148 min_version = TLS1_2_VERSION;
149 max_version = TLS1_2_VERSION;
150 break;
151 case OPT_TLS1_3:
152 min_version = TLS1_3_VERSION;
153 max_version = TLS1_3_VERSION;
154 break;
155 case OPT_PSK:
156#ifndef OPENSSL_NO_PSK
157 psk = 1;
158#endif
159 break;
160 case OPT_SRP:
161#ifndef OPENSSL_NO_SRP
162 srp = 1;
163#endif
164 break;
165 case OPT_CIPHERSUITES:
166 ciphersuites = opt_arg();
167 break;
168 case OPT_PROV_CASES:
169 if (!opt_provider(o))
170 goto end;
171 break;
172 }
173 }
174
175 /* Optional arg is cipher name. */
176 argv = opt_rest();
177 argc = opt_num_rest();
178 if (argc == 1)
179 ciphers = argv[0];
180 else if (argc != 0)
181 goto opthelp;
182
183 if (convert != NULL) {
184 BIO_printf(bio_out, "OpenSSL cipher name: %s\n",
185 OPENSSL_cipher_name(convert));
186 ret = 0;
187 goto end;
188 }
189
190 ctx = SSL_CTX_new_ex(app_get0_libctx(), app_get0_propq(), meth);
191 if (ctx == NULL)
192 goto err;
193 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
194 goto err;
195 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
196 goto err;
197
198#ifndef OPENSSL_NO_PSK
199 if (psk)
200 SSL_CTX_set_psk_client_callback(ctx, dummy_psk);
201#endif
202#ifndef OPENSSL_NO_SRP
203 if (srp)
204 set_up_dummy_srp(ctx);
205#endif
206
207 if (ciphersuites != NULL && !SSL_CTX_set_ciphersuites(ctx, ciphersuites)) {
208 BIO_printf(bio_err, "Error setting TLSv1.3 ciphersuites\n");
209 goto err;
210 }
211
212 if (ciphers != NULL) {
213 if (!SSL_CTX_set_cipher_list(ctx, ciphers)) {
214 BIO_printf(bio_err, "Error in cipher list\n");
215 goto err;
216 }
217 }
218 ssl = SSL_new(ctx);
219 if (ssl == NULL)
220 goto err;
221
222 if (use_supported)
223 sk = SSL_get1_supported_ciphers(ssl);
224 else
225 sk = SSL_get_ciphers(ssl);
226
227 if (!verbose) {
228 for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
229 const SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, i);
230
231 if (!ossl_assert(c != NULL))
232 continue;
233
234 p = SSL_CIPHER_get_name(c);
235 if (p == NULL)
236 break;
237 if (i != 0)
238 BIO_printf(bio_out, ":");
239 BIO_printf(bio_out, "%s", p);
240 }
241 BIO_printf(bio_out, "\n");
242 } else {
243
244 for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
245 const SSL_CIPHER *c;
246
247 c = sk_SSL_CIPHER_value(sk, i);
248
249 if (!ossl_assert(c != NULL))
250 continue;
251
252 if (Verbose) {
253 unsigned long id = SSL_CIPHER_get_id(c);
254 int id0 = (int)(id >> 24);
255 int id1 = (int)((id >> 16) & 0xffL);
256 int id2 = (int)((id >> 8) & 0xffL);
257 int id3 = (int)(id & 0xffL);
258
259 if ((id & 0xff000000L) == 0x03000000L)
260 BIO_printf(bio_out, " 0x%02X,0x%02X - ", id2, id3); /* SSL3
261 * cipher */
262 else
263 BIO_printf(bio_out, "0x%02X,0x%02X,0x%02X,0x%02X - ", id0, id1, id2, id3); /* whatever */
264 }
265 if (stdname) {
266 const char *nm = SSL_CIPHER_standard_name(c);
267 if (nm == NULL)
268 nm = "UNKNOWN";
269 BIO_printf(bio_out, "%-45s - ", nm);
270 }
271 BIO_puts(bio_out, SSL_CIPHER_description(c, buf, sizeof(buf)));
272 }
273 }
274
275 ret = 0;
276 goto end;
277 err:
278 ERR_print_errors(bio_err);
279 end:
280 if (use_supported)
281 sk_SSL_CIPHER_free(sk);
282 SSL_CTX_free(ctx);
283 SSL_free(ssl);
284 return ret;
285}
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