Merge branch 'ikev1-clean' into ikev1-master
[strongswan.git] / src / libpts / plugins / imv_attestation / attest.c
1 /*
2 * Copyright (C) 2011 Andreas Steffen
3 * HSR Hochschule fuer Technik Rapperswil
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2 of the License, or (at your
8 * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
12 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * for more details.
14 */
15
16 #define _GNU_SOURCE
17 #include <getopt.h>
18 #include <unistd.h>
19 #include <stdio.h>
20 #include <string.h>
21 #include <errno.h>
22 #include <syslog.h>
23
24 #include <library.h>
25 #include <debug.h>
26
27 #include <imcv.h>
28 #include <libpts.h>
29 #include <pts/pts_meas_algo.h>
30
31 #include "attest_db.h"
32 #include "attest_usage.h"
33
34 /**
35 * global debug output variables
36 */
37 static int debug_level = 2;
38 static bool stderr_quiet = TRUE;
39
40 /**
41 * attest dbg function
42 */
43 static void attest_dbg(debug_t group, level_t level, char *fmt, ...)
44 {
45 int priority = LOG_INFO;
46 char buffer[8192];
47 char *current = buffer, *next;
48 va_list args;
49
50 if (level <= debug_level)
51 {
52 if (!stderr_quiet)
53 {
54 va_start(args, fmt);
55 vfprintf(stderr, fmt, args);
56 fprintf(stderr, "\n");
57 va_end(args);
58 }
59
60 /* write in memory buffer first */
61 va_start(args, fmt);
62 vsnprintf(buffer, sizeof(buffer), fmt, args);
63 va_end(args);
64
65 /* do a syslog with every line */
66 while (current)
67 {
68 next = strchr(current, '\n');
69 if (next)
70 {
71 *(next++) = '\0';
72 }
73 syslog(priority, "%s\n", current);
74 current = next;
75 }
76 }
77 }
78
79 /**
80 * global attestation database object
81 */
82 attest_db_t *attest;
83
84 /**
85 * atexit handler to close db on shutdown
86 */
87 static void cleanup(void)
88 {
89 attest->destroy(attest);
90 libpts_deinit();
91 libimcv_deinit();
92 closelog();
93 }
94
95 static void do_args(int argc, char *argv[])
96 {
97 enum {
98 OP_UNDEF,
99 OP_USAGE,
100 OP_KEYS,
101 OP_COMPONENTS,
102 OP_FILES,
103 OP_HASHES,
104 OP_MEASUREMENTS,
105 OP_PRODUCTS,
106 OP_ADD,
107 OP_DEL,
108 } op = OP_UNDEF;
109
110 /* reinit getopt state */
111 optind = 0;
112
113 while (TRUE)
114 {
115 int c;
116
117 struct option long_opts[] = {
118 { "help", no_argument, NULL, 'h' },
119 { "components", no_argument, NULL, 'c' },
120 { "files", no_argument, NULL, 'f' },
121 { "keys", no_argument, NULL, 'k' },
122 { "products", no_argument, NULL, 'p' },
123 { "hashes", no_argument, NULL, 'H' },
124 { "measurements", no_argument, NULL, 'm' },
125 { "add", no_argument, NULL, 'a' },
126 { "delete", no_argument, NULL, 'd' },
127 { "del", no_argument, NULL, 'd' },
128 { "aik", required_argument, NULL, 'A' },
129 { "component", required_argument, NULL, 'C' },
130 { "comp", required_argument, NULL, 'C' },
131 { "directory", required_argument, NULL, 'D' },
132 { "dir", required_argument, NULL, 'D' },
133 { "file", required_argument, NULL, 'F' },
134 { "key", required_argument, NULL, 'K' },
135 { "owner", required_argument, NULL, 'O' },
136 { "product", required_argument, NULL, 'P' },
137 { "sha1", no_argument, NULL, '1' },
138 { "sha256", no_argument, NULL, '2' },
139 { "sha384", no_argument, NULL, '3' },
140 { "did", required_argument, NULL, '4' },
141 { "fid", required_argument, NULL, '5' },
142 { "pid", required_argument, NULL, '6' },
143 { "cid", required_argument, NULL, '7' },
144 { "kid", required_argument, NULL, '8' },
145 { 0,0,0,0 }
146 };
147
148 c = getopt_long(argc, argv, "", long_opts, NULL);
149 switch (c)
150 {
151 case EOF:
152 break;
153 case 'h':
154 op = OP_USAGE;
155 break;
156 case 'c':
157 op = OP_COMPONENTS;
158 continue;
159 case 'f':
160 op = OP_FILES;
161 continue;
162 case 'k':
163 op = OP_KEYS;
164 continue;
165 case 'p':
166 op = OP_PRODUCTS;
167 continue;
168 case 'H':
169 op = OP_HASHES;
170 continue;
171 case 'm':
172 op = OP_MEASUREMENTS;
173 continue;
174 case 'a':
175 op = OP_ADD;
176 continue;
177 case 'd':
178 op = OP_DEL;
179 continue;
180 case 'A':
181 {
182 certificate_t *aik_cert;
183 public_key_t *aik_key;
184 chunk_t aik;
185
186 aik_cert = lib->creds->create(lib->creds, CRED_CERTIFICATE,
187 CERT_X509, BUILD_FROM_FILE, optarg, BUILD_END);
188 if (!aik_cert)
189 {
190 printf("AIK certificate '%s' could not be loaded\n", optarg);
191 exit(EXIT_FAILURE);
192 }
193 aik_key = aik_cert->get_public_key(aik_cert);
194 aik_cert->destroy(aik_cert);
195
196 if (!aik_key)
197 {
198 printf("AIK public key could not be retrieved\n");
199 exit(EXIT_FAILURE);
200 }
201 if (!aik_key->get_fingerprint(aik_key, KEYID_PUBKEY_INFO_SHA1,
202 &aik))
203 {
204 printf("AIK fingerprint could not be computed\n");
205 aik_key->destroy(aik_key);
206 exit(EXIT_FAILURE);
207 }
208 aik = chunk_clone(aik);
209 aik_key->destroy(aik_key);
210
211 if (!attest->set_key(attest, aik, op == OP_ADD))
212 {
213 exit(EXIT_FAILURE);
214 }
215 continue;
216 }
217 case 'C':
218 if (!attest->set_component(attest, optarg, op == OP_ADD))
219 {
220 exit(EXIT_FAILURE);
221 }
222 continue;
223 case 'D':
224 if (!attest->set_directory(attest, optarg, op == OP_ADD))
225 {
226 exit(EXIT_FAILURE);
227 }
228 continue;
229 case 'F':
230 if (!attest->set_file(attest, optarg, op == OP_ADD))
231 {
232 exit(EXIT_FAILURE);
233 }
234 continue;
235 case 'K':
236 {
237 chunk_t aik;
238
239 aik = chunk_from_hex(chunk_create(optarg, strlen(optarg)), NULL);
240 if (!attest->set_key(attest, aik, op == OP_ADD))
241 {
242 exit(EXIT_FAILURE);
243 }
244 continue;
245 }
246 case 'O':
247 attest->set_owner(attest, optarg);
248 continue;
249 case 'P':
250 if (!attest->set_product(attest, optarg, op == OP_ADD))
251 {
252 exit(EXIT_FAILURE);
253 }
254 continue;
255 case '1':
256 attest->set_algo(attest, PTS_MEAS_ALGO_SHA1);
257 continue;
258 case '2':
259 attest->set_algo(attest, PTS_MEAS_ALGO_SHA256);
260 continue;
261 case '3':
262 attest->set_algo(attest, PTS_MEAS_ALGO_SHA384);
263 continue;
264 case '4':
265 if (!attest->set_did(attest, atoi(optarg)))
266 {
267 exit(EXIT_FAILURE);
268 }
269 continue;
270 case '5':
271 if (!attest->set_fid(attest, atoi(optarg)))
272 {
273 exit(EXIT_FAILURE);
274 }
275 continue;
276 case '6':
277 if (!attest->set_pid(attest, atoi(optarg)))
278 {
279 exit(EXIT_FAILURE);
280 }
281 continue;
282 case '7':
283 if (!attest->set_cid(attest, atoi(optarg)))
284 {
285 exit(EXIT_FAILURE);
286 }
287 continue;
288 case '8':
289 if (!attest->set_kid(attest, atoi(optarg)))
290 {
291 exit(EXIT_FAILURE);
292 }
293 continue;
294 }
295 break;
296 }
297
298 switch (op)
299 {
300 case OP_USAGE:
301 usage();
302 break;
303 case OP_PRODUCTS:
304 attest->list_products(attest);
305 break;
306 case OP_KEYS:
307 attest->list_keys(attest);
308 break;
309 case OP_COMPONENTS:
310 attest->list_components(attest);
311 break;
312 case OP_FILES:
313 attest->list_files(attest);
314 break;
315 case OP_HASHES:
316 attest->list_hashes(attest);
317 break;
318 case OP_MEASUREMENTS:
319 attest->list_measurements(attest);
320 break;
321 case OP_ADD:
322 attest->add(attest);
323 break;
324 case OP_DEL:
325 attest->delete(attest);
326 break;
327 default:
328 usage();
329 exit(EXIT_FAILURE);
330 }
331 }
332
333 int main(int argc, char *argv[])
334 {
335 char *uri;
336
337 /* enable attest debugging hook */
338 dbg = attest_dbg;
339 openlog("attest", 0, LOG_DEBUG);
340
341 atexit(library_deinit);
342
343 /* initialize library */
344 if (!library_init(NULL))
345 {
346 exit(SS_RC_LIBSTRONGSWAN_INTEGRITY);
347 }
348 if (!lib->plugins->load(lib->plugins, NULL,
349 lib->settings->get_str(lib->settings, "attest.load", PLUGINS)))
350 {
351 exit(SS_RC_INITIALIZATION_FAILED);
352 }
353
354 uri = lib->settings->get_str(lib->settings, "attest.database", NULL);
355 if (!uri)
356 {
357 fprintf(stderr, "database URI attest.database not set.\n");
358 exit(SS_RC_INITIALIZATION_FAILED);
359 }
360 attest = attest_db_create(uri);
361 if (!attest)
362 {
363 exit(SS_RC_INITIALIZATION_FAILED);
364 }
365 atexit(cleanup);
366 libimcv_init();
367 libpts_init();
368
369 do_args(argc, argv);
370
371 exit(EXIT_SUCCESS);
372 }
373