File: cli-debug.c

package info (click to toggle)
gnutls28 3.6.7-4
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 67,368 kB
  • sloc: ansic: 295,691; asm: 70,637; sh: 15,067; makefile: 6,288; yacc: 1,840; lisp: 1,371; cpp: 1,358; perl: 1,030; sed: 16
file content (373 lines) | stat: -rw-r--r-- 10,781 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
/*
 * Copyright (C) 2000-2012 Free Software Foundation, Inc.
 * Copyright (C) 2017 Red Hat, Inc.
 *
 * This file is part of GnuTLS.
 *
 * GnuTLS 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.
 *
 * GnuTLS 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, see
 * <https://www.gnu.org/licenses/>.
 */

#include <config.h>
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <sys/types.h>
#include <string.h>
#include <gnutls/gnutls.h>
#include <sys/time.h>
#if HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#elif HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif
#include <tests.h>
#include <common.h>
#include <ctype.h>
#include <cli-debug-args.h>
#include <socket.h>

/* Gnulib portability files. */
#include "sockets.h"

static void cmd_parser(int argc, char **argv);

/* global stuff here */
int resume;
char *hostname = NULL;
int port;
int record_max_size;
int fingerprint;
static int debug = 0;

gnutls_srp_client_credentials_t srp_cred;
gnutls_anon_client_credentials_t anon_cred;
gnutls_certificate_credentials_t xcred;

/* end of global stuff */

unsigned int verbose = 0;

extern int tls1_ok;
extern int tls1_1_ok;
extern int tls1_2_ok;
extern int tls1_3_ok;
extern int ssl3_ok;
extern const char *ext_text;

static void tls_log_func(int level, const char *str)
{
	fprintf(stderr, "|<%d>| %s", level, str);
}

typedef test_code_t(*TEST_FUNC) (gnutls_session_t);

typedef struct {
	const char *test_name;
	TEST_FUNC func;
	const char *suc_str;
	const char *fail_str;
	const char *unsure_str;
	unsigned https_only;
} TLS_TEST;

static const TLS_TEST tls_tests[] = {
#ifdef ENABLE_SSL3
	{"for SSL 3.0 (RFC6101) support", test_ssl3, "yes", "no", "dunno"},
	/* The following tests will disable TLS 1.x if the server is
	 * buggy */
#endif
	{"whether we need to disable TLS 1.2", test_tls_disable2, "no",
	 "yes", "dunno"},
	{"whether we need to disable TLS 1.1", test_tls_disable1, "no",
	 "yes", "dunno"},
	{"whether we need to disable TLS 1.0", test_tls_disable0, "no",
	 "yes", "dunno"},
	{"whether \%NO_EXTENSIONS is required", test_no_extensions, "no", "yes",
	 "dunno"},
	{"whether \%COMPAT is required", test_record_padding, "no", "yes",
	 "dunno"},
	{"for TLS 1.0 (RFC2246) support", test_tls1, "yes", "no", "dunno"},
	{"for TLS 1.0 (RFC2246) support with TLS 1.0 record version", test_tls1_nossl3, "yes", "no", "dunno"},
	{"for TLS 1.1 (RFC4346) support", test_tls1_1, "yes", "no", "dunno"},
	{"fallback from TLS 1.1 to", test_tls1_1_fallback, "TLS 1.0",
	 "failed",
	 "SSL 3.0"},
	{"for TLS 1.2 (RFC5246) support", test_tls1_2, "yes", "no", "dunno"},
	{"for TLS 1.3 (RFC8446) support", test_tls1_3, "yes", "no", "dunno"},
	{"TLS1.2 neg fallback from TLS 1.6 to", test_tls1_6_fallback, NULL,
	 "failed (server requires fallback dance)", "dunno"},
	{"for inappropriate fallback (RFC7507) support", test_rfc7507, "yes", "no", "dunno"},
	{"for HTTPS server name", test_server, NULL, "failed", "not checked", 1},
	{"for certificate information", test_certificate, NULL, "", ""},
	{"for certificate chain order", test_chain_order, "sorted", "unsorted", "unknown"},
	{"for trusted CAs", test_server_cas, NULL, "", ""},
	{"for safe renegotiation (RFC5746) support", test_safe_renegotiation, "yes",
	 "no", "dunno"},
	{"for Safe renegotiation support (SCSV)",
	 test_safe_renegotiation_scsv,
	 "yes", "no", "dunno"},
	{"for encrypt-then-MAC (RFC7366) support", test_etm, "yes", "no", "dunno"},
	{"for ext master secret (RFC7627) support", test_ext_master_secret, "yes", "no", "dunno"},
	{"for heartbeat (RFC6520) support", test_heartbeat_extension, "yes", "no", "dunno"},
	{"for version rollback bug in RSA PMS", test_rsa_pms, "no", "yes",
	 "dunno"},
	{"for version rollback bug in Client Hello", test_version_rollback,
	 "no", "yes", "dunno"},
	{"whether the server ignores the RSA PMS version",
	 test_rsa_pms_version_check, "yes", "no", "dunno"},
	{"whether small records (512 bytes) are tolerated on handshake",
	 test_small_records, "yes", "no", "dunno"},
	{"whether cipher suites not in SSL 3.0 spec are accepted",
	 test_unknown_ciphersuites, "yes", "no", "dunno"},
	{"whether a bogus TLS record version in the client hello is accepted", test_version_oob, "yes", "no", "dunno"},
	{"whether the server understands TLS closure alerts", test_bye,
	 "yes", "no", "partially"},
	/* the fact that is after the closure alert test does matter.
	 */
	{"whether the server supports session resumption",
	 test_session_resume2, "yes", "no", "dunno"},
#ifdef ENABLE_ANON
	{"for anonymous authentication support", test_anonymous, "yes",
	 "no",
	 "dunno"},
	{"anonymous Diffie-Hellman group info", test_dhe_group, NULL, "N/A",
	 "N/A"},
#endif
	{"for ephemeral Diffie-Hellman support", test_dhe, "yes", "no",
	 "dunno"},
	{"for RFC7919 Diffie-Hellman support", test_rfc7919, "yes", "no",
	 "dunno"},
	{"ephemeral Diffie-Hellman group info", test_dhe_group, NULL, "N/A",
	 "N/A"},
	{"for ephemeral EC Diffie-Hellman support", test_ecdhe, "yes",
	 "no",
	 "dunno"},
	{"for curve SECP256r1 (RFC4492)", test_ecdhe_secp256r1, "yes", "no", "dunno"},
	{"for curve SECP384r1 (RFC4492)", test_ecdhe_secp384r1, "yes", "no", "dunno"},
	{"for curve SECP521r1 (RFC4492)", test_ecdhe_secp521r1, "yes", "no", "dunno"},
	{"for curve X25519 (RFC8422)", test_ecdhe_x25519, "yes", "no", "dunno"},
	{"for AES-GCM cipher (RFC5288) support", test_aes_gcm, "yes", "no",
	 "dunno"},
	{"for AES-CCM cipher (RFC6655) support", test_aes_ccm, "yes", "no",
	 "dunno"},
	{"for AES-CCM-8 cipher (RFC6655) support", test_aes_ccm_8, "yes", "no",
	 "dunno"},
	{"for AES-CBC cipher (RFC3268) support", test_aes, "yes", "no",
	 "dunno"},
	{"for CAMELLIA-GCM cipher (RFC6367) support", test_camellia_gcm, "yes", "no",
	 "dunno"},
	{"for CAMELLIA-CBC cipher (RFC5932) support", test_camellia_cbc, "yes", "no",
	 "dunno"},
	{"for 3DES-CBC cipher (RFC2246) support", test_3des, "yes", "no", "dunno"},
	{"for ARCFOUR 128 cipher (RFC2246) support", test_arcfour, "yes", "no",
	 "dunno"},
	{"for CHACHA20-POLY1305 cipher (RFC7905) support", test_chacha20, "yes", "no",
	 "dunno"},
	{"for MD5 MAC support", test_md5, "yes", "no", "dunno"},
	{"for SHA1 MAC support", test_sha, "yes", "no", "dunno"},
	{"for SHA256 MAC support", test_sha256, "yes", "no", "dunno"},
	{"for max record size (RFC6066) support", test_max_record_size, "yes",
	 "no", "dunno"},
#ifdef ENABLE_OCSP
	{"for OCSP status response (RFC6066) support", test_ocsp_status, "yes",
	 "no", "dunno"},
#endif
	{NULL, NULL, NULL, NULL, NULL}
};

const char *ip;

gnutls_session_t init_tls_session(const char *host)
{
	gnutls_session_t state = NULL;
	gnutls_init(&state, GNUTLS_CLIENT);

	set_read_funcs(state);
	if (host && is_ip(host) == 0)
		gnutls_server_name_set(state, GNUTLS_NAME_DNS,
				       host, strlen(host));

	return state;
}

int do_handshake(socket_st * socket)
{
	return 0; /* we do it locally */
}

int main(int argc, char **argv)
{
	int ret;
	int i;
	char portname[6];
	socket_st hd;
	char app_proto[32] = "";

	cmd_parser(argc, argv);

#ifndef _WIN32
	signal(SIGPIPE, SIG_IGN);
#endif

	sockets_init();

	if (gnutls_global_init() < 0) {
		fprintf(stderr, "global state initialization error\n");
		exit(1);
	}

	gnutls_global_set_log_function(tls_log_func);
	gnutls_global_set_log_level(debug);

	/* get server name */
	snprintf(portname, sizeof(portname), "%d", port);

	/* X509 stuff */
	if (gnutls_certificate_allocate_credentials(&xcred) < 0) {	/* space for 2 certificates */
		fprintf(stderr, "memory error\n");
		exit(1);
	}

	/* SRP stuff */
#ifdef ENABLE_SRP
	if (gnutls_srp_allocate_client_credentials(&srp_cred) < 0) {
		fprintf(stderr, "memory error\n");
		exit(1);
	}
#endif

#ifdef ENABLE_ANON
	/* ANON stuff */
	if (gnutls_anon_allocate_client_credentials(&anon_cred) < 0) {
		fprintf(stderr, "memory error\n");
		exit(1);
	}
#endif

	if (HAVE_OPT(STARTTLS_PROTO)) {
		snprintf(app_proto, sizeof(app_proto), "%s", OPT_ARG(STARTTLS_PROTO));
	}

	if (app_proto[0] == 0) {
		snprintf(app_proto, sizeof(app_proto), "%s", port_to_service(portname, "tcp"));
	}

	sockets_init();

	i = 0;

	printf("GnuTLS debug client %s\n", gnutls_check_version(NULL));

	canonicalize_host(hostname, portname, sizeof(portname));
	printf("Checking %s:%s\n", hostname, portname);
	do {

		if (tls_tests[i].test_name == NULL)
			break;	/* finished */

		/* if neither of SSL3 and TLSv1 are supported, exit
		 */
		if (i > 11 && tls1_2_ok == 0 && tls1_1_ok == 0 && tls1_ok == 0
		    && ssl3_ok == 0 && tls1_3_ok == 0) {
			fprintf(stderr,
				"\nServer does not support any of SSL 3.0, TLS 1.0, 1.1, 1.2 and 1.3\n");
			break;
		}

		socket_open(&hd, hostname, portname, app_proto, SOCKET_FLAG_STARTTLS|SOCKET_FLAG_RAW, NULL, NULL);
		hd.verbose = verbose;

		do {
			if (strcmp(app_proto, "https") != 0 && tls_tests[i].https_only != 0) {
				i++;
				break;
			}

			ret = tls_tests[i].func(hd.session);

			if (ret != TEST_IGNORE && ret != TEST_IGNORE2) {
				printf("%58s...", tls_tests[i].test_name);
				fflush(stdout);
			}

			if (ret == TEST_SUCCEED) {
				if (tls_tests[i].suc_str == NULL)
					printf(" %s\n", ext_text);
				else
					printf(" %s\n", tls_tests[i].suc_str);
			} else if (ret == TEST_FAILED)
				printf(" %s\n", tls_tests[i].fail_str);
			else if (ret == TEST_UNSURE)
				printf(" %s\n", tls_tests[i].unsure_str);
			else if (ret == TEST_IGNORE) {
				if (tls_tests[i+1].test_name)
					i++;
				else
					break;
			}
		}
		while (ret == TEST_IGNORE
		       && tls_tests[i].test_name != NULL);

		socket_bye(&hd, 1);

		i++;
	}
	while (1);

#ifdef ENABLE_SRP
	gnutls_srp_free_client_credentials(srp_cred);
#endif
	gnutls_certificate_free_credentials(xcred);
#ifdef ENABLE_ANON
	gnutls_anon_free_client_credentials(anon_cred);
#endif
	gnutls_global_deinit();

	return 0;
}

static void cmd_parser(int argc, char **argv)
{
	char *rest = NULL;
	static char lh[] = "localhost";
	int optct = optionProcess(&gnutls_cli_debugOptions, argc, argv);
	argc -= optct;
	argv += optct;

	if (rest == NULL && argc > 0)
		rest = argv[0];

	if (HAVE_OPT(PORT))
		port = OPT_VALUE_PORT;
	else {
		if (HAVE_OPT(STARTTLS_PROTO))
			port = starttls_proto_to_port(OPT_ARG(STARTTLS_PROTO));
		else
			port = 443;
	}

	if (rest == NULL)
		hostname = lh;
	else
		hostname = rest;

	if (HAVE_OPT(DEBUG))
		debug = OPT_VALUE_DEBUG;

	if (HAVE_OPT(VERBOSE))
		verbose++;

}