added support of ca information records and ocsp keywords
[strongswan.git] / src / stroke / stroke.c
1 /* Stroke for charon is the counterpart to whack from pluto
2 * Copyright (C) 2006 Martin Willi - Hochschule fuer Technik Rapperswil
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by the
6 * Free Software Foundation; either version 2 of the License, or (at your
7 * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
8 *
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
11 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * for more details.
13 */
14
15 #include <stdlib.h>
16 #include <sys/types.h>
17 #include <sys/stat.h>
18 #include <sys/socket.h>
19 #include <sys/un.h>
20 #include <sys/fcntl.h>
21 #include <unistd.h>
22 #include <dirent.h>
23 #include <errno.h>
24 #include <stdio.h>
25 #include <stddef.h>
26
27 #include "stroke.h"
28 #include "stroke_keywords.h"
29
30 struct stroke_token {
31 char *name;
32 stroke_keyword_t kw;
33 };
34
35 static char* push_string(stroke_msg_t *msg, char *string)
36 {
37 unsigned long string_start = msg->length;
38
39 if (string == NULL || msg->length + strlen(string) >= sizeof(stroke_msg_t))
40 {
41 return NULL;
42 }
43 else
44 {
45 msg->length += strlen(string) + 1;
46 strcpy((char*)msg + string_start, string);
47 return (char*)string_start;
48 }
49 }
50
51 static int send_stroke_msg (stroke_msg_t *msg)
52 {
53 struct sockaddr_un ctl_addr = { AF_UNIX, STROKE_SOCKET };
54 int sock;
55 char buffer[64];
56 int byte_count;
57
58 msg->output_verbosity = 1; /* CONTROL */
59
60 sock = socket(AF_UNIX, SOCK_STREAM, 0);
61 if (sock < 0)
62 {
63 fprintf(stderr, "Opening unix socket %s: %s\n", STROKE_SOCKET, strerror(errno));
64 return -1;
65 }
66 if (connect(sock, (struct sockaddr *)&ctl_addr,
67 offsetof(struct sockaddr_un, sun_path) + strlen(ctl_addr.sun_path)) < 0)
68 {
69 fprintf(stderr, "Connect to socket failed: %s\n", strerror(errno));
70 close(sock);
71 return -1;
72 }
73
74 /* send message */
75 if (write(sock, msg, msg->length) != msg->length)
76 {
77 fprintf(stderr, "writing to socket failed: %s\n", strerror(errno));
78 close(sock);
79 return -1;
80 }
81
82 while ((byte_count = read(sock, buffer, sizeof(buffer)-1)) > 0)
83 {
84 buffer[byte_count] = '\0';
85 printf("%s", buffer);
86 }
87 if (byte_count < 0)
88 {
89 fprintf(stderr, "reading from socket failed: %s\n", strerror(errno));
90 }
91
92 close(sock);
93 return 0;
94 }
95
96 static int add_connection(char *name,
97 char *my_id, char *other_id,
98 char *my_addr, char *other_addr,
99 char *my_net, char *other_net,
100 u_int my_netmask, u_int other_netmask)
101 {
102 stroke_msg_t msg;
103
104 msg.length = offsetof(stroke_msg_t, buffer);
105 msg.type = STR_ADD_CONN;
106
107 msg.add_conn.name = push_string(&msg, name);
108 msg.add_conn.ikev2 = 1;
109 msg.add_conn.auth_method = 2;
110 msg.add_conn.eap_type = 0;
111 msg.add_conn.mode = 1;
112
113 msg.add_conn.rekey.reauth = 0;
114 msg.add_conn.rekey.ipsec_lifetime = 0;
115 msg.add_conn.rekey.ike_lifetime = 0;
116 msg.add_conn.rekey.margin = 0;
117 msg.add_conn.rekey.tries = 0;
118 msg.add_conn.rekey.fuzz = 0;
119
120 msg.add_conn.algorithms.ike = NULL;
121 msg.add_conn.algorithms.esp = NULL;
122
123 msg.add_conn.dpd.delay = 0;
124 msg.add_conn.dpd.action = 1;
125
126 msg.add_conn.me.id = push_string(&msg, my_id);
127 msg.add_conn.me.address = push_string(&msg, my_addr);
128 msg.add_conn.me.subnet = push_string(&msg, my_net);
129 msg.add_conn.me.subnet_mask = my_netmask;
130 msg.add_conn.me.cert = NULL;
131 msg.add_conn.me.ca = NULL;
132 msg.add_conn.me.sendcert = 1;
133 msg.add_conn.me.hostaccess = 0;
134 msg.add_conn.me.protocol = 0;
135 msg.add_conn.me.port = 0;
136
137 msg.add_conn.other.id = push_string(&msg, other_id);
138 msg.add_conn.other.address = push_string(&msg, other_addr);
139 msg.add_conn.other.subnet = push_string(&msg, other_net);
140 msg.add_conn.other.subnet_mask = other_netmask;
141 msg.add_conn.other.cert = NULL;
142 msg.add_conn.other.ca = NULL;
143 msg.add_conn.other.sendcert = 1;
144 msg.add_conn.other.hostaccess = 0;
145 msg.add_conn.other.protocol = 0;
146 msg.add_conn.other.port = 0;
147
148 return send_stroke_msg(&msg);
149 }
150
151 static int del_connection(char *name)
152 {
153 stroke_msg_t msg;
154
155 msg.length = offsetof(stroke_msg_t, buffer);
156 msg.type = STR_DEL_CONN;
157 msg.initiate.name = push_string(&msg, name);
158 return send_stroke_msg(&msg);
159 }
160
161 static int initiate_connection(char *name)
162 {
163 stroke_msg_t msg;
164
165 msg.length = offsetof(stroke_msg_t, buffer);
166 msg.type = STR_INITIATE;
167 msg.initiate.name = push_string(&msg, name);
168 return send_stroke_msg(&msg);
169 }
170
171 static int terminate_connection(char *name)
172 {
173 stroke_msg_t msg;
174
175 msg.type = STR_TERMINATE;
176 msg.length = offsetof(stroke_msg_t, buffer);
177 msg.initiate.name = push_string(&msg, name);
178 return send_stroke_msg(&msg);
179 }
180
181 static int route_connection(char *name)
182 {
183 stroke_msg_t msg;
184
185 msg.type = STR_ROUTE;
186 msg.length = offsetof(stroke_msg_t, buffer);
187 msg.route.name = push_string(&msg, name);
188 return send_stroke_msg(&msg);
189 }
190
191 static int unroute_connection(char *name)
192 {
193 stroke_msg_t msg;
194
195 msg.type = STR_UNROUTE;
196 msg.length = offsetof(stroke_msg_t, buffer);
197 msg.unroute.name = push_string(&msg, name);
198 return send_stroke_msg(&msg);
199 }
200
201 static int show_status(stroke_keyword_t kw, char *connection)
202 {
203 stroke_msg_t msg;
204
205 msg.type = (kw == STROKE_STATUS)? STR_STATUS:STR_STATUS_ALL;
206 msg.length = offsetof(stroke_msg_t, buffer);
207 msg.status.name = push_string(&msg, connection);
208 return send_stroke_msg(&msg);
209 }
210
211 static int list_flags[] = {
212 LIST_CERTS,
213 LIST_CACERTS,
214 LIST_OCSPCERTS,
215 LIST_CAINFOS,
216 LIST_CRLS,
217 LIST_OCSP,
218 LIST_ALL
219 };
220
221 static int list(stroke_keyword_t kw, int utc)
222 {
223 stroke_msg_t msg;
224
225 msg.type = STR_LIST;
226 msg.length = offsetof(stroke_msg_t, buffer);
227 msg.list.utc = utc;
228 msg.list.flags = list_flags[kw - STROKE_LIST_FIRST];
229 return send_stroke_msg(&msg);
230 }
231
232 static int reread_flags[] = {
233 REREAD_CACERTS,
234 REREAD_OCSPCERTS,
235 REREAD_CRLS,
236 REREAD_ALL
237 };
238
239 static int reread(stroke_keyword_t kw)
240 {
241 stroke_msg_t msg;
242
243 msg.type = STR_REREAD;
244 msg.length = offsetof(stroke_msg_t, buffer);
245 msg.reread.flags = reread_flags[kw - STROKE_REREAD_FIRST];
246 return send_stroke_msg(&msg);
247 }
248
249 static int purge_flags[] = {
250 PURGE_OCSP
251 };
252
253 static int purge(stroke_keyword_t kw)
254 {
255 stroke_msg_t msg;
256
257 msg.type = STR_PURGE;
258 msg.length = offsetof(stroke_msg_t, buffer);
259 msg.purge.flags = purge_flags[kw - STROKE_PURGE_FIRST];
260 return send_stroke_msg(&msg);
261 }
262
263 static int set_loglevel(char *type, u_int level)
264 {
265 stroke_msg_t msg;
266
267 msg.type = STR_LOGLEVEL;
268 msg.length = offsetof(stroke_msg_t, buffer);
269 msg.loglevel.type = push_string(&msg, type);
270 msg.loglevel.level = level;
271 return send_stroke_msg(&msg);
272 }
273
274 static void exit_error(char *error)
275 {
276 if (error)
277 {
278 fprintf(stderr, "%s\n", error);
279 }
280 exit(-1);
281 }
282
283 static void exit_usage(char *error)
284 {
285 printf("Usage:\n");
286 printf(" Add a connection:\n");
287 printf(" stroke add NAME MY_ID OTHER_ID MY_ADDR OTHER_ADDR\\\n");
288 printf(" MY_NET OTHER_NET MY_NETBITS OTHER_NETBITS\n");
289 printf(" where: ID is any IKEv2 ID \n");
290 printf(" ADDR is a IPv4 address\n");
291 printf(" NET is a IPv4 address of the subnet to tunnel\n");
292 printf(" NETBITS is the size of the subnet, as the \"24\" in 192.168.0.0/24\n");
293 printf(" Delete a connection:\n");
294 printf(" stroke delete NAME\n");
295 printf(" where: NAME is a connection name added with \"stroke add\"\n");
296 printf(" Initiate a connection:\n");
297 printf(" stroke up NAME\n");
298 printf(" where: NAME is a connection name added with \"stroke add\"\n");
299 printf(" Terminate a connection:\n");
300 printf(" stroke down NAME\n");
301 printf(" where: NAME is a connection name added with \"stroke add\"\n");
302 printf(" Set loglevel for a logging type:\n");
303 printf(" stroke loglevel TYPE LEVEL\n");
304 printf(" where: TYPE is any|dmn|mgr|ike|chd|job|cfg|knl|net|enc|lib\n");
305 printf(" LEVEL is -1|0|1|2|3|4\n");
306 printf(" Show connection status:\n");
307 printf(" stroke status\n");
308 printf(" Show list of locally loaded certificates and crls:\n");
309 printf(" stroke listcerts|listcacerts|listocspcerts|listcainfos|listcrls|listocsp|listall\n");
310 printf(" Reload ca certificates and crls:\n");
311 printf(" stroke rereadcacerts|rereadcrls|rereadall\n");
312 printf(" Purge ocsp cache entries:\n");
313 printf(" stroke purgeocsp\n");
314 exit_error(error);
315 }
316
317 int main(int argc, char *argv[])
318 {
319 const stroke_token_t *token;
320 int res = 0;
321
322 if (argc < 2)
323 {
324 exit_usage(NULL);
325 }
326
327 token = in_word_set(argv[1], strlen(argv[1]));
328
329 if (token == NULL)
330 {
331 exit_usage("unknown keyword");
332 }
333
334 switch (token->kw)
335 {
336 case STROKE_ADD:
337 if (argc < 11)
338 {
339 exit_usage("\"add\" needs more parameters...");
340 }
341 res = add_connection(argv[2],
342 argv[3], argv[4],
343 argv[5], argv[6],
344 argv[7], argv[8],
345 atoi(argv[9]), atoi(argv[10]));
346 break;
347 case STROKE_DELETE:
348 case STROKE_DEL:
349 if (argc < 3)
350 {
351 exit_usage("\"delete\" needs a connection name");
352 }
353 res = del_connection(argv[2]);
354 break;
355 case STROKE_UP:
356 if (argc < 3)
357 {
358 exit_usage("\"up\" needs a connection name");
359 }
360 res = initiate_connection(argv[2]);
361 break;
362 case STROKE_DOWN:
363 if (argc < 3)
364 {
365 exit_usage("\"down\" needs a connection name");
366 }
367 res = terminate_connection(argv[2]);
368 break;
369 case STROKE_ROUTE:
370 if (argc < 3)
371 {
372 exit_usage("\"route\" needs a connection name");
373 }
374 res = route_connection(argv[2]);
375 break;
376 case STROKE_UNROUTE:
377 if (argc < 3)
378 {
379 exit_usage("\"unroute\" needs a connection name");
380 }
381 res = unroute_connection(argv[2]);
382 break;
383 case STROKE_LOGLEVEL:
384 if (argc < 4)
385 {
386 exit_usage("\"logtype\" needs more parameters...");
387 }
388 res = set_loglevel(argv[2], atoi(argv[3]));
389 break;
390 case STROKE_STATUS:
391 case STROKE_STATUSALL:
392 res = show_status(token->kw, argc > 2 ? argv[2] : NULL);
393 break;
394 case STROKE_LIST_CERTS:
395 case STROKE_LIST_CACERTS:
396 case STROKE_LIST_OCSPCERTS:
397 case STROKE_LIST_CAINFOS:
398 case STROKE_LIST_CRLS:
399 case STROKE_LIST_OCSP:
400 case STROKE_LIST_ALL:
401 res = list(token->kw, argc > 2 && strcmp(argv[2], "--utc") == 0);
402 break;
403 case STROKE_REREAD_CACERTS:
404 case STROKE_REREAD_CRLS:
405 case STROKE_REREAD_ALL:
406 res = reread(token->kw);
407 break;
408 case STROKE_PURGE_OCSP:
409 res = purge(token->kw);
410 break;
411 default:
412 exit_usage(NULL);
413 }
414 return res;
415 }