1/*
2 * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 1999-2001  Internet Software Consortium.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
16 */
17
18/* $Id: dst_test.c,v 1.46 2009/09/01 00:22:25 jinmei Exp $ */
19
20#include <config.h>
21
22#include <stdlib.h>
23
24#include <unistd.h>		/* XXX */
25
26#include <isc/buffer.h>
27#include <isc/entropy.h>
28#include <isc/mem.h>
29#include <isc/region.h>
30#include <isc/string.h>		/* Required for HP/UX (and others?) */
31
32#include <dns/fixedname.h>
33#include <dns/name.h>
34#include <dns/result.h>
35
36#include <dst/dst.h>
37#include <dst/result.h>
38
39char *current;
40const char *tmp = "/tmp";
41
42static void
43use(dst_key_t *key, isc_mem_t *mctx) {
44	isc_result_t ret;
45	const char *data = "This is some data";
46	unsigned char sig[512];
47	isc_buffer_t databuf, sigbuf;
48	isc_region_t datareg, sigreg;
49	dst_context_t *ctx = NULL;
50
51	isc_buffer_init(&sigbuf, sig, sizeof(sig));
52	/*
53	 * Advance 1 byte for fun.
54	 */
55	isc_buffer_add(&sigbuf, 1);
56
57	isc_buffer_init(&databuf, data, strlen(data));
58	isc_buffer_add(&databuf, strlen(data));
59	isc_buffer_usedregion(&databuf, &datareg);
60
61	ret = dst_context_create(key, mctx, &ctx);
62	if (ret != ISC_R_SUCCESS) {
63		printf("contextcreate(%d) returned: %s\n", dst_key_alg(key),
64		       isc_result_totext(ret));
65		return;
66	}
67	ret = dst_context_adddata(ctx, &datareg);
68	if (ret != ISC_R_SUCCESS) {
69		printf("adddata(%d) returned: %s\n", dst_key_alg(key),
70		       isc_result_totext(ret));
71		dst_context_destroy(&ctx);
72		return;
73	}
74	ret = dst_context_sign(ctx, &sigbuf);
75	printf("sign(%d) returned: %s\n", dst_key_alg(key),
76	       isc_result_totext(ret));
77	dst_context_destroy(&ctx);
78
79	isc_buffer_forward(&sigbuf, 1);
80	isc_buffer_remainingregion(&sigbuf, &sigreg);
81	ret = dst_context_create(key, mctx, &ctx);
82	if (ret != ISC_R_SUCCESS) {
83		printf("contextcreate(%d) returned: %s\n", dst_key_alg(key),
84		       isc_result_totext(ret));
85		return;
86	}
87	ret = dst_context_adddata(ctx, &datareg);
88	if (ret != ISC_R_SUCCESS) {
89		printf("adddata(%d) returned: %s\n", dst_key_alg(key),
90		       isc_result_totext(ret));
91		dst_context_destroy(&ctx);
92		return;
93	}
94	ret = dst_context_verify(ctx, &sigreg);
95	printf("verify(%d) returned: %s\n", dst_key_alg(key),
96	       isc_result_totext(ret));
97	dst_context_destroy(&ctx);
98}
99
100static void
101dns(dst_key_t *key, isc_mem_t *mctx) {
102	unsigned char buffer1[2048];
103	unsigned char buffer2[2048];
104	isc_buffer_t buf1, buf2;
105	isc_region_t r1, r2;
106	dst_key_t *newkey = NULL;
107	isc_result_t ret;
108	isc_boolean_t match;
109
110	isc_buffer_init(&buf1, buffer1, sizeof(buffer1));
111	ret = dst_key_todns(key, &buf1);
112	printf("todns(%d) returned: %s\n", dst_key_alg(key),
113	       isc_result_totext(ret));
114	if (ret != ISC_R_SUCCESS)
115		return;
116	ret = dst_key_fromdns(dst_key_name(key), dns_rdataclass_in,
117			      &buf1, mctx, &newkey);
118	printf("fromdns(%d) returned: %s\n", dst_key_alg(key),
119	       isc_result_totext(ret));
120	if (ret != ISC_R_SUCCESS)
121		return;
122	isc_buffer_init(&buf2, buffer2, sizeof(buffer2));
123	ret = dst_key_todns(newkey, &buf2);
124	printf("todns2(%d) returned: %s\n", dst_key_alg(key),
125	       isc_result_totext(ret));
126	if (ret != ISC_R_SUCCESS)
127		return;
128	isc_buffer_usedregion(&buf1, &r1);
129	isc_buffer_usedregion(&buf2, &r2);
130	match = ISC_TF(r1.length == r2.length &&
131		       memcmp(r1.base, r2.base, r1.length) == 0);
132	printf("compare(%d): %s\n", dst_key_alg(key),
133	       match ? "true" : "false");
134	dst_key_free(&newkey);
135}
136
137static void
138io(dns_name_t *name, int id, int alg, int type, isc_mem_t *mctx) {
139	dst_key_t *key = NULL;
140	isc_result_t ret;
141
142	ret = dst_key_fromfile(name, id, alg, type, current, mctx, &key);
143	printf("read(%d) returned: %s\n", alg, isc_result_totext(ret));
144	if (ret != 0)
145		return;
146	ret = dst_key_tofile(key, type, tmp);
147	printf("write(%d) returned: %s\n", alg, isc_result_totext(ret));
148	if (ret != 0)
149		return;
150	use(key, mctx);
151	dns(key, mctx);
152	dst_key_free(&key);
153}
154
155static void
156dh(dns_name_t *name1, int id1, dns_name_t *name2, int id2, isc_mem_t *mctx) {
157	dst_key_t *key1 = NULL, *key2 = NULL;
158	isc_result_t ret;
159	isc_buffer_t b1, b2;
160	isc_region_t r1, r2;
161	unsigned char array1[1024], array2[1024];
162	int alg = DST_ALG_DH;
163	int type = DST_TYPE_PUBLIC|DST_TYPE_PRIVATE|DST_TYPE_KEY;
164
165	ret = dst_key_fromfile(name1, id1, alg, type, current, mctx, &key1);
166	printf("read(%d) returned: %s\n", alg, isc_result_totext(ret));
167	if (ret != 0)
168		return;
169	ret = dst_key_fromfile(name2, id2, alg, type, current, mctx, &key2);
170	printf("read(%d) returned: %s\n", alg, isc_result_totext(ret));
171	if (ret != 0)
172		return;
173
174	ret = dst_key_tofile(key1, type, tmp);
175	printf("write(%d) returned: %s\n", alg, isc_result_totext(ret));
176	if (ret != 0)
177		return;
178	ret = dst_key_tofile(key2, type, tmp);
179	printf("write(%d) returned: %s\n", alg, isc_result_totext(ret));
180	if (ret != 0)
181		return;
182
183	isc_buffer_init(&b1, array1, sizeof(array1));
184	ret = dst_key_computesecret(key1, key2, &b1);
185	printf("computesecret() returned: %s\n", isc_result_totext(ret));
186	if (ret != 0)
187		return;
188
189	isc_buffer_init(&b2, array2, sizeof(array2));
190	ret = dst_key_computesecret(key2, key1, &b2);
191	printf("computesecret() returned: %s\n", isc_result_totext(ret));
192	if (ret != 0)
193		return;
194
195	isc_buffer_usedregion(&b1, &r1);
196	isc_buffer_usedregion(&b2, &r2);
197
198	if (r1.length != r2.length || memcmp(r1.base, r2.base, r1.length) != 0)
199	{
200		int i;
201		printf("secrets don't match\n");
202		printf("secret 1: %d bytes\n", r1.length);
203		for (i = 0; i < (int) r1.length; i++)
204			printf("%02x ", r1.base[i]);
205		printf("\n");
206		printf("secret 2: %d bytes\n", r2.length);
207		for (i = 0; i < (int) r2.length; i++)
208			printf("%02x ", r2.base[i]);
209		printf("\n");
210	}
211	dst_key_free(&key1);
212	dst_key_free(&key2);
213}
214
215static void
216generate(int alg, isc_mem_t *mctx) {
217	isc_result_t ret;
218	dst_key_t *key = NULL;
219
220	ret = dst_key_generate(dns_rootname, alg, 512, 0, 0, 0,
221			       dns_rdataclass_in, mctx, &key);
222	printf("generate(%d) returned: %s\n", alg, isc_result_totext(ret));
223	if (ret != ISC_R_SUCCESS)
224		return;
225
226	if (alg != DST_ALG_DH)
227		use(key, mctx);
228
229	dst_key_free(&key);
230}
231
232int
233main(void) {
234	isc_mem_t *mctx = NULL;
235	isc_entropy_t *ectx = NULL;
236	isc_buffer_t b;
237	dns_fixedname_t fname;
238	dns_name_t *name;
239	isc_result_t result;
240
241	result = isc_mem_create(0, 0, &mctx);
242	if (result != ISC_R_SUCCESS)
243		return (1);
244
245	current = isc_mem_get(mctx, 256);
246	if (current == NULL)
247		return (1);
248	if (getcwd(current, 256) == NULL) {
249		perror("getcwd");
250		return (1);
251	}
252
253	dns_result_register();
254
255	result = isc_entropy_create(mctx, &ectx);
256	if (result != ISC_R_SUCCESS)
257		return (1);
258	result = isc_entropy_createfilesource(ectx, "randomfile");
259	if (result != ISC_R_SUCCESS)
260		return (1);
261	dst_lib_init(mctx, ectx, ISC_ENTROPY_BLOCKING|ISC_ENTROPY_GOODONLY);
262
263	dns_fixedname_init(&fname);
264	name = dns_fixedname_name(&fname);
265	isc_buffer_init(&b, "test.", 5);
266	isc_buffer_add(&b, 5);
267	result = dns_name_fromtext(name, &b, NULL, 0, NULL);
268	if (result != ISC_R_SUCCESS)
269		return (1);
270	io(name, 23616, DST_ALG_DSA, DST_TYPE_PRIVATE|DST_TYPE_PUBLIC, mctx);
271	io(name, 54622, DST_ALG_RSAMD5, DST_TYPE_PRIVATE|DST_TYPE_PUBLIC,
272	   mctx);
273
274	io(name, 49667, DST_ALG_DSA, DST_TYPE_PRIVATE|DST_TYPE_PUBLIC, mctx);
275	io(name, 2, DST_ALG_RSAMD5, DST_TYPE_PRIVATE|DST_TYPE_PUBLIC, mctx);
276
277	isc_buffer_init(&b, "dh.", 3);
278	isc_buffer_add(&b, 3);
279	result = dns_name_fromtext(name, &b, NULL, 0, NULL);
280	if (result != ISC_R_SUCCESS)
281		return (1);
282	dh(name, 18602, name, 48957, mctx);
283
284	generate(DST_ALG_RSAMD5, mctx);
285	generate(DST_ALG_DH, mctx);
286	generate(DST_ALG_DSA, mctx);
287	generate(DST_ALG_HMACMD5, mctx);
288
289	dst_lib_destroy();
290	isc_entropy_detach(&ectx);
291
292	isc_mem_put(mctx, current, 256);
293/*	isc_mem_stats(mctx, stdout);*/
294	isc_mem_destroy(&mctx);
295
296	return (0);
297}
298