ac91b5aa72493706424fd9dd58c11ed7b6d4afd2
[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 = 0;
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 { "products", no_argument, NULL, 'p' },
129 { "hashes", no_argument, NULL, 'H' },
130 { "add", no_argument, NULL, 'a' },
131 { "delete", no_argument, NULL, 'd' },
132 { "del", no_argument, NULL, 'd' },
133 { "directory", required_argument, NULL, 'D' },
134 { "dir", required_argument, NULL, 'D' },
135 { "file", required_argument, NULL, 'F' },
136 { "key", required_argument, NULL, 'K' },
137 { "owner", required_argument, NULL, 'O' },
138 { "product", required_argument, NULL, 'P' },
139 { "sha1", no_argument, NULL, '1' },
140 { "sha256", no_argument, NULL, '2' },
141 { "sha384", no_argument, NULL, '3' },
142 { "did", required_argument, NULL, '4' },
143 { "fid", required_argument, NULL, '5' },
144 { "pid", required_argument, NULL, '6' },
145 { "cid", required_argument, NULL, '7' },
146 { "kid", required_argument, NULL, '8' },
147 { 0,0,0,0 }
148 };
149
150 c = getopt_long(argc, argv, "", long_opts, NULL);
151 switch (c)
152 {
153 case EOF:
154 break;
155 case 'h':
156 op = OP_USAGE;
157 break;
158 case 'c':
159 op = OP_COMPONENTS;
160 continue;
161 case 'f':
162 op = OP_FILES;
163 continue;
164 case 'k':
165 op = OP_KEYS;
166 continue;
167 case 'p':
168 op = OP_PRODUCTS;
169 continue;
170 case 'H':
171 op = OP_HASHES;
172 continue;
173 case 'M':
174 op = OP_MEASUREMENTS;
175 continue;
176 case 'a':
177 op = OP_ADD;
178 continue;
179 case 'd':
180 op = OP_DEL;
181 continue;
182 case 'C':
183 if (!attest->set_component(attest, optarg, op == OP_ADD))
184 {
185 exit(EXIT_FAILURE);
186 }
187 continue;
188 case 'D':
189 if (!attest->set_directory(attest, optarg, op == OP_ADD))
190 {
191 exit(EXIT_FAILURE);
192 }
193 continue;
194 case 'H':
195 op = OP_HASHES;
196 continue;
197 case 'a':
198 op = OP_ADD;
199 continue;
200 case 'd':
201 op = OP_DEL;
202 continue;
203 case 'D':
204 if (!attest->set_directory(attest, optarg, op == OP_ADD))
205 {
206 exit(EXIT_FAILURE);
207 }
208 continue;
209 case 'F':
210 if (!attest->set_file(attest, optarg, op == OP_ADD))
211 {
212 exit(EXIT_FAILURE);
213 }
214 continue;
215 case 'K':
216 if (!attest->set_key(attest, optarg, op == OP_ADD))
217 {
218 exit(EXIT_FAILURE);
219 }
220 continue;
221 case 'O':
222 attest->set_owner(attest, optarg);
223 continue;
224 case 'P':
225 if (!attest->set_product(attest, optarg, op == OP_ADD))
226 {
227 exit(EXIT_FAILURE);
228 }
229 continue;
230 case '1':
231 attest->set_algo(attest, PTS_MEAS_ALGO_SHA1);
232 continue;
233 case '2':
234 attest->set_algo(attest, PTS_MEAS_ALGO_SHA256);
235 continue;
236 case '3':
237 attest->set_algo(attest, PTS_MEAS_ALGO_SHA384);
238 continue;
239 case '4':
240 if (!attest->set_did(attest, atoi(optarg)))
241 {
242 exit(EXIT_FAILURE);
243 }
244 continue;
245 case '5':
246 if (!attest->set_fid(attest, atoi(optarg)))
247 {
248 exit(EXIT_FAILURE);
249 }
250 continue;
251 case '6':
252 if (!attest->set_pid(attest, atoi(optarg)))
253 {
254 exit(EXIT_FAILURE);
255 }
256 continue;
257 case '7':
258 if (!attest->set_cid(attest, atoi(optarg)))
259 {
260 exit(EXIT_FAILURE);
261 }
262 continue;
263 case '8':
264 if (!attest->set_kid(attest, atoi(optarg)))
265 {
266 exit(EXIT_FAILURE);
267 }
268 continue;
269 }
270 break;
271 }
272
273 switch (op)
274 {
275 case OP_USAGE:
276 usage();
277 break;
278 case OP_PRODUCTS:
279 attest->list_products(attest);
280 break;
281 case OP_KEYS:
282 attest->list_keys(attest);
283 break;
284 case OP_COMPONENTS:
285 attest->list_components(attest);
286 break;
287 case OP_FILES:
288 attest->list_files(attest);
289 break;
290 case OP_HASHES:
291 attest->list_hashes(attest);
292 break;
293 case OP_MEASUREMENTS:
294 attest->list_measurements(attest);
295 break;
296 case OP_ADD:
297 attest->add(attest);
298 break;
299 case OP_DEL:
300 attest->delete(attest);
301 break;
302 case OP_HASHES:
303 attest->list_hashes(attest);
304 break;
305 default:
306 usage();
307 exit(EXIT_FAILURE);
308 }
309 }
310
311 int main(int argc, char *argv[])
312 {
313 char *uri;
314
315 /* enable attest debugging hook */
316 dbg = attest_dbg;
317 openlog("attest", 0, LOG_DEBUG);
318
319 atexit(library_deinit);
320
321 /* initialize library */
322 if (!library_init(NULL))
323 {
324 exit(SS_RC_LIBSTRONGSWAN_INTEGRITY);
325 }
326 if (!lib->plugins->load(lib->plugins, NULL,
327 lib->settings->get_str(lib->settings, "attest.load", PLUGINS)))
328 {
329 exit(SS_RC_INITIALIZATION_FAILED);
330 }
331
332 uri = lib->settings->get_str(lib->settings, "attest.database", NULL);
333 if (!uri)
334 {
335 fprintf(stderr, "database URI attest.database not set.\n");
336 exit(SS_RC_INITIALIZATION_FAILED);
337 }
338 attest = attest_db_create(uri);
339 if (!attest)
340 {
341 exit(SS_RC_INITIALIZATION_FAILED);
342 }
343 atexit(cleanup);
344 libimcv_init();
345 libpts_init();
346
347 do_args(argc, argv);
348
349 exit(EXIT_SUCCESS);
350 }
351