6b2e33d1fdcc7f77a46851f4270d74481925992f
[strongswan.git] / src / stroke / stroke.c
1 /* Stroke for charon is the counterpart to whack from pluto
2 * Copyright (C) 2007 Tobias Brunner
3 * Copyright (C) 2006 Martin Willi
4 * Hochschule fuer Technik Rapperswil
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2 of the License, or (at your
9 * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * for more details.
15 *
16 * RCSID $Id$
17 */
18
19 #include <stdlib.h>
20 #include <sys/types.h>
21 #include <sys/stat.h>
22 #include <sys/socket.h>
23 #include <sys/un.h>
24 #include <sys/fcntl.h>
25 #include <unistd.h>
26 #include <dirent.h>
27 #include <errno.h>
28 #include <stdio.h>
29 #include <stddef.h>
30
31 #include "stroke_msg.h"
32 #include "stroke_keywords.h"
33
34 struct stroke_token {
35 char *name;
36 stroke_keyword_t kw;
37 };
38
39 static char* push_string(stroke_msg_t *msg, char *string)
40 {
41 unsigned long string_start = msg->length;
42
43 if (string == NULL || msg->length + strlen(string) >= sizeof(stroke_msg_t))
44 {
45 return NULL;
46 }
47 else
48 {
49 msg->length += strlen(string) + 1;
50 strcpy((char*)msg + string_start, string);
51 return (char*)string_start;
52 }
53 }
54
55 static int send_stroke_msg (stroke_msg_t *msg)
56 {
57 struct sockaddr_un ctl_addr = { AF_UNIX, STROKE_SOCKET };
58 int sock;
59 char buffer[64];
60 int byte_count;
61
62 msg->output_verbosity = 1; /* CONTROL */
63
64 sock = socket(AF_UNIX, SOCK_STREAM, 0);
65 if (sock < 0)
66 {
67 fprintf(stderr, "Opening unix socket %s: %s\n", STROKE_SOCKET, strerror(errno));
68 return -1;
69 }
70 if (connect(sock, (struct sockaddr *)&ctl_addr,
71 offsetof(struct sockaddr_un, sun_path) + strlen(ctl_addr.sun_path)) < 0)
72 {
73 fprintf(stderr, "Connect to socket failed: %s\n", strerror(errno));
74 close(sock);
75 return -1;
76 }
77
78 /* send message */
79 if (write(sock, msg, msg->length) != msg->length)
80 {
81 fprintf(stderr, "writing to socket failed: %s\n", strerror(errno));
82 close(sock);
83 return -1;
84 }
85
86 while ((byte_count = read(sock, buffer, sizeof(buffer)-1)) > 0)
87 {
88 buffer[byte_count] = '\0';
89 printf("%s", buffer);
90 }
91 if (byte_count < 0)
92 {
93 fprintf(stderr, "reading from socket failed: %s\n", strerror(errno));
94 }
95
96 close(sock);
97 return 0;
98 }
99
100 static int add_connection(char *name,
101 char *my_id, char *other_id,
102 char *my_addr, char *other_addr,
103 char *my_net, char *other_net,
104 u_int my_netmask, u_int other_netmask)
105 {
106 stroke_msg_t msg;
107
108 msg.length = offsetof(stroke_msg_t, buffer);
109 msg.type = STR_ADD_CONN;
110
111 msg.add_conn.name = push_string(&msg, name);
112 msg.add_conn.ikev2 = 1;
113 msg.add_conn.auth_method = 2;
114 msg.add_conn.eap_type = 0;
115 msg.add_conn.mode = 1;
116 msg.add_conn.mobike = 1;
117 msg.add_conn.force_encap = 0;
118
119 msg.add_conn.rekey.reauth = 0;
120 msg.add_conn.rekey.ipsec_lifetime = 0;
121 msg.add_conn.rekey.ike_lifetime = 0;
122 msg.add_conn.rekey.margin = 0;
123 msg.add_conn.rekey.tries = 0;
124 msg.add_conn.rekey.fuzz = 0;
125
126 msg.add_conn.algorithms.ike = NULL;
127 msg.add_conn.algorithms.esp = NULL;
128
129 msg.add_conn.dpd.delay = 0;
130 msg.add_conn.dpd.action = 1;
131
132 msg.add_conn.p2p.mediation = 0;
133 msg.add_conn.p2p.mediated_by = NULL;
134 msg.add_conn.p2p.peerid = NULL;
135
136 msg.add_conn.me.id = push_string(&msg, my_id);
137 msg.add_conn.me.address = push_string(&msg, my_addr);
138 msg.add_conn.me.subnet = push_string(&msg, my_net);
139 msg.add_conn.me.subnet_mask = my_netmask;
140 msg.add_conn.me.sourceip = NULL;
141 msg.add_conn.me.virtual_ip = 0;
142 msg.add_conn.me.cert = NULL;
143 msg.add_conn.me.ca = NULL;
144 msg.add_conn.me.sendcert = 1;
145 msg.add_conn.me.hostaccess = 0;
146 msg.add_conn.me.tohost = 0;
147 msg.add_conn.me.protocol = 0;
148 msg.add_conn.me.port = 0;
149
150 msg.add_conn.other.id = push_string(&msg, other_id);
151 msg.add_conn.other.address = push_string(&msg, other_addr);
152 msg.add_conn.other.subnet = push_string(&msg, other_net);
153 msg.add_conn.other.subnet_mask = other_netmask;
154 msg.add_conn.other.sourceip = NULL;
155 msg.add_conn.other.virtual_ip = 0;
156 msg.add_conn.other.cert = NULL;
157 msg.add_conn.other.ca = NULL;
158 msg.add_conn.other.sendcert = 1;
159 msg.add_conn.other.hostaccess = 0;
160 msg.add_conn.other.tohost = 0;
161 msg.add_conn.other.protocol = 0;
162 msg.add_conn.other.port = 0;
163
164 return send_stroke_msg(&msg);
165 }
166
167 static int del_connection(char *name)
168 {
169 stroke_msg_t msg;
170
171 msg.length = offsetof(stroke_msg_t, buffer);
172 msg.type = STR_DEL_CONN;
173 msg.initiate.name = push_string(&msg, name);
174 return send_stroke_msg(&msg);
175 }
176
177 static int initiate_connection(char *name)
178 {
179 stroke_msg_t msg;
180
181 msg.length = offsetof(stroke_msg_t, buffer);
182 msg.type = STR_INITIATE;
183 msg.initiate.name = push_string(&msg, name);
184 return send_stroke_msg(&msg);
185 }
186
187 static int terminate_connection(char *name)
188 {
189 stroke_msg_t msg;
190
191 msg.type = STR_TERMINATE;
192 msg.length = offsetof(stroke_msg_t, buffer);
193 msg.initiate.name = push_string(&msg, name);
194 return send_stroke_msg(&msg);
195 }
196
197 static int route_connection(char *name)
198 {
199 stroke_msg_t msg;
200
201 msg.type = STR_ROUTE;
202 msg.length = offsetof(stroke_msg_t, buffer);
203 msg.route.name = push_string(&msg, name);
204 return send_stroke_msg(&msg);
205 }
206
207 static int unroute_connection(char *name)
208 {
209 stroke_msg_t msg;
210
211 msg.type = STR_UNROUTE;
212 msg.length = offsetof(stroke_msg_t, buffer);
213 msg.unroute.name = push_string(&msg, name);
214 return send_stroke_msg(&msg);
215 }
216
217 static int show_status(stroke_keyword_t kw, char *connection)
218 {
219 stroke_msg_t msg;
220
221 msg.type = (kw == STROKE_STATUS)? STR_STATUS:STR_STATUS_ALL;
222 msg.length = offsetof(stroke_msg_t, buffer);
223 msg.status.name = push_string(&msg, connection);
224 return send_stroke_msg(&msg);
225 }
226
227 static int list_flags[] = {
228 LIST_CERTS,
229 LIST_CACERTS,
230 LIST_OCSPCERTS,
231 LIST_AACERTS,
232 LIST_ACERTS,
233 LIST_GROUPS,
234 LIST_CAINFOS,
235 LIST_CRLS,
236 LIST_OCSP,
237 LIST_ALL
238 };
239
240 static int list(stroke_keyword_t kw, int utc)
241 {
242 stroke_msg_t msg;
243
244 msg.type = STR_LIST;
245 msg.length = offsetof(stroke_msg_t, buffer);
246 msg.list.utc = utc;
247 msg.list.flags = list_flags[kw - STROKE_LIST_FIRST];
248 return send_stroke_msg(&msg);
249 }
250
251 static int reread_flags[] = {
252 REREAD_SECRETS,
253 REREAD_CACERTS,
254 REREAD_OCSPCERTS,
255 REREAD_AACERTS,
256 REREAD_ACERTS,
257 REREAD_CRLS,
258 REREAD_ALL
259 };
260
261 static int reread(stroke_keyword_t kw)
262 {
263 stroke_msg_t msg;
264
265 msg.type = STR_REREAD;
266 msg.length = offsetof(stroke_msg_t, buffer);
267 msg.reread.flags = reread_flags[kw - STROKE_REREAD_FIRST];
268 return send_stroke_msg(&msg);
269 }
270
271 static int purge_flags[] = {
272 PURGE_OCSP
273 };
274
275 static int purge(stroke_keyword_t kw)
276 {
277 stroke_msg_t msg;
278
279 msg.type = STR_PURGE;
280 msg.length = offsetof(stroke_msg_t, buffer);
281 msg.purge.flags = purge_flags[kw - STROKE_PURGE_FIRST];
282 return send_stroke_msg(&msg);
283 }
284
285 static int set_loglevel(char *type, u_int level)
286 {
287 stroke_msg_t msg;
288
289 msg.type = STR_LOGLEVEL;
290 msg.length = offsetof(stroke_msg_t, buffer);
291 msg.loglevel.type = push_string(&msg, type);
292 msg.loglevel.level = level;
293 return send_stroke_msg(&msg);
294 }
295
296 static void exit_error(char *error)
297 {
298 if (error)
299 {
300 fprintf(stderr, "%s\n", error);
301 }
302 exit(-1);
303 }
304
305 static void exit_usage(char *error)
306 {
307 printf("Usage:\n");
308 printf(" Add a connection:\n");
309 printf(" stroke add NAME MY_ID OTHER_ID MY_ADDR OTHER_ADDR\\\n");
310 printf(" MY_NET OTHER_NET MY_NETBITS OTHER_NETBITS\n");
311 printf(" where: ID is any IKEv2 ID \n");
312 printf(" ADDR is a IPv4 address\n");
313 printf(" NET is a IPv4 address of the subnet to tunnel\n");
314 printf(" NETBITS is the size of the subnet, as the \"24\" in 192.168.0.0/24\n");
315 printf(" Delete a connection:\n");
316 printf(" stroke delete NAME\n");
317 printf(" where: NAME is a connection name added with \"stroke add\"\n");
318 printf(" Initiate a connection:\n");
319 printf(" stroke up NAME\n");
320 printf(" where: NAME is a connection name added with \"stroke add\"\n");
321 printf(" Terminate a connection:\n");
322 printf(" stroke down NAME\n");
323 printf(" where: NAME is a connection name added with \"stroke add\"\n");
324 printf(" Set loglevel for a logging type:\n");
325 printf(" stroke loglevel TYPE LEVEL\n");
326 printf(" where: TYPE is any|dmn|mgr|ike|chd|job|cfg|knl|net|enc|lib\n");
327 printf(" LEVEL is -1|0|1|2|3|4\n");
328 printf(" Show connection status:\n");
329 printf(" stroke status\n");
330 printf(" Show list of authority and attribute certificates:\n");
331 printf(" stroke listcacerts|listocspcerts|listaacerts|listacerts\n");
332 printf(" Show list of end entity certificates, ca info records and crls:\n");
333 printf(" stroke listcerts|listcainfos|listcrls|listall\n");
334 printf(" Reload authority and attribute certificates:\n");
335 printf(" stroke rereadcacerts|rereadocspcerts|rereadaacerts|rereadacerts\n");
336 printf(" Reload secrets and crls:\n");
337 printf(" stroke rereadsecrets|rereadcrls|rereadall\n");
338 printf(" Purge ocsp cache entries:\n");
339 printf(" stroke purgeocsp\n");
340 exit_error(error);
341 }
342
343 int main(int argc, char *argv[])
344 {
345 const stroke_token_t *token;
346 int res = 0;
347
348 if (argc < 2)
349 {
350 exit_usage(NULL);
351 }
352
353 token = in_word_set(argv[1], strlen(argv[1]));
354
355 if (token == NULL)
356 {
357 exit_usage("unknown keyword");
358 }
359
360 switch (token->kw)
361 {
362 case STROKE_ADD:
363 if (argc < 11)
364 {
365 exit_usage("\"add\" needs more parameters...");
366 }
367 res = add_connection(argv[2],
368 argv[3], argv[4],
369 argv[5], argv[6],
370 argv[7], argv[8],
371 atoi(argv[9]), atoi(argv[10]));
372 break;
373 case STROKE_DELETE:
374 case STROKE_DEL:
375 if (argc < 3)
376 {
377 exit_usage("\"delete\" needs a connection name");
378 }
379 res = del_connection(argv[2]);
380 break;
381 case STROKE_UP:
382 if (argc < 3)
383 {
384 exit_usage("\"up\" needs a connection name");
385 }
386 res = initiate_connection(argv[2]);
387 break;
388 case STROKE_DOWN:
389 if (argc < 3)
390 {
391 exit_usage("\"down\" needs a connection name");
392 }
393 res = terminate_connection(argv[2]);
394 break;
395 case STROKE_ROUTE:
396 if (argc < 3)
397 {
398 exit_usage("\"route\" needs a connection name");
399 }
400 res = route_connection(argv[2]);
401 break;
402 case STROKE_UNROUTE:
403 if (argc < 3)
404 {
405 exit_usage("\"unroute\" needs a connection name");
406 }
407 res = unroute_connection(argv[2]);
408 break;
409 case STROKE_LOGLEVEL:
410 if (argc < 4)
411 {
412 exit_usage("\"logtype\" needs more parameters...");
413 }
414 res = set_loglevel(argv[2], atoi(argv[3]));
415 break;
416 case STROKE_STATUS:
417 case STROKE_STATUSALL:
418 res = show_status(token->kw, argc > 2 ? argv[2] : NULL);
419 break;
420 case STROKE_LIST_CERTS:
421 case STROKE_LIST_CACERTS:
422 case STROKE_LIST_OCSPCERTS:
423 case STROKE_LIST_AACERTS:
424 case STROKE_LIST_ACERTS:
425 case STROKE_LIST_CAINFOS:
426 case STROKE_LIST_CRLS:
427 case STROKE_LIST_OCSP:
428 case STROKE_LIST_ALL:
429 res = list(token->kw, argc > 2 && strcmp(argv[2], "--utc") == 0);
430 break;
431 case STROKE_REREAD_SECRETS:
432 case STROKE_REREAD_CACERTS:
433 case STROKE_REREAD_OCSPCERTS:
434 case STROKE_REREAD_AACERTS:
435 case STROKE_REREAD_ACERTS:
436 case STROKE_REREAD_CRLS:
437 case STROKE_REREAD_ALL:
438 res = reread(token->kw);
439 break;
440 case STROKE_PURGE_OCSP:
441 res = purge(token->kw);
442 break;
443 default:
444 exit_usage(NULL);
445 }
446 return res;
447 }