supporting multiple comma seperated subnets in left/rightsubnet definition
[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_nets, char *other_nets)
104 {
105 stroke_msg_t msg;
106
107 memset(&msg, 0, sizeof(msg));
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.mode = 1;
115 msg.add_conn.mobike = 1;
116 msg.add_conn.dpd.action = 1;
117
118 msg.add_conn.me.id = push_string(&msg, my_id);
119 msg.add_conn.me.address = push_string(&msg, my_addr);
120 msg.add_conn.me.subnets = push_string(&msg, my_nets);
121 msg.add_conn.me.sendcert = 1;
122
123 msg.add_conn.other.id = push_string(&msg, other_id);
124 msg.add_conn.other.address = push_string(&msg, other_addr);
125 msg.add_conn.other.subnets = push_string(&msg, other_nets);
126 msg.add_conn.other.sendcert = 1;
127
128 return send_stroke_msg(&msg);
129 }
130
131 static int del_connection(char *name)
132 {
133 stroke_msg_t msg;
134
135 msg.length = offsetof(stroke_msg_t, buffer);
136 msg.type = STR_DEL_CONN;
137 msg.initiate.name = push_string(&msg, name);
138 return send_stroke_msg(&msg);
139 }
140
141 static int initiate_connection(char *name)
142 {
143 stroke_msg_t msg;
144
145 msg.length = offsetof(stroke_msg_t, buffer);
146 msg.type = STR_INITIATE;
147 msg.initiate.name = push_string(&msg, name);
148 return send_stroke_msg(&msg);
149 }
150
151 static int terminate_connection(char *name)
152 {
153 stroke_msg_t msg;
154
155 msg.type = STR_TERMINATE;
156 msg.length = offsetof(stroke_msg_t, buffer);
157 msg.initiate.name = push_string(&msg, name);
158 return send_stroke_msg(&msg);
159 }
160
161 static int route_connection(char *name)
162 {
163 stroke_msg_t msg;
164
165 msg.type = STR_ROUTE;
166 msg.length = offsetof(stroke_msg_t, buffer);
167 msg.route.name = push_string(&msg, name);
168 return send_stroke_msg(&msg);
169 }
170
171 static int unroute_connection(char *name)
172 {
173 stroke_msg_t msg;
174
175 msg.type = STR_UNROUTE;
176 msg.length = offsetof(stroke_msg_t, buffer);
177 msg.unroute.name = push_string(&msg, name);
178 return send_stroke_msg(&msg);
179 }
180
181 static int show_status(stroke_keyword_t kw, char *connection)
182 {
183 stroke_msg_t msg;
184
185 msg.type = (kw == STROKE_STATUS)? STR_STATUS:STR_STATUS_ALL;
186 msg.length = offsetof(stroke_msg_t, buffer);
187 msg.status.name = push_string(&msg, connection);
188 return send_stroke_msg(&msg);
189 }
190
191 static int list_flags[] = {
192 LIST_CERTS,
193 LIST_CACERTS,
194 LIST_OCSPCERTS,
195 LIST_AACERTS,
196 LIST_ACERTS,
197 LIST_GROUPS,
198 LIST_CAINFOS,
199 LIST_CRLS,
200 LIST_OCSP,
201 LIST_ALL
202 };
203
204 static int list(stroke_keyword_t kw, int utc)
205 {
206 stroke_msg_t msg;
207
208 msg.type = STR_LIST;
209 msg.length = offsetof(stroke_msg_t, buffer);
210 msg.list.utc = utc;
211 msg.list.flags = list_flags[kw - STROKE_LIST_FIRST];
212 return send_stroke_msg(&msg);
213 }
214
215 static int reread_flags[] = {
216 REREAD_SECRETS,
217 REREAD_CACERTS,
218 REREAD_OCSPCERTS,
219 REREAD_AACERTS,
220 REREAD_ACERTS,
221 REREAD_CRLS,
222 REREAD_ALL
223 };
224
225 static int reread(stroke_keyword_t kw)
226 {
227 stroke_msg_t msg;
228
229 msg.type = STR_REREAD;
230 msg.length = offsetof(stroke_msg_t, buffer);
231 msg.reread.flags = reread_flags[kw - STROKE_REREAD_FIRST];
232 return send_stroke_msg(&msg);
233 }
234
235 static int purge_flags[] = {
236 PURGE_OCSP
237 };
238
239 static int purge(stroke_keyword_t kw)
240 {
241 stroke_msg_t msg;
242
243 msg.type = STR_PURGE;
244 msg.length = offsetof(stroke_msg_t, buffer);
245 msg.purge.flags = purge_flags[kw - STROKE_PURGE_FIRST];
246 return send_stroke_msg(&msg);
247 }
248
249 static int set_loglevel(char *type, u_int level)
250 {
251 stroke_msg_t msg;
252
253 msg.type = STR_LOGLEVEL;
254 msg.length = offsetof(stroke_msg_t, buffer);
255 msg.loglevel.type = push_string(&msg, type);
256 msg.loglevel.level = level;
257 return send_stroke_msg(&msg);
258 }
259
260 static void exit_error(char *error)
261 {
262 if (error)
263 {
264 fprintf(stderr, "%s\n", error);
265 }
266 exit(-1);
267 }
268
269 static void exit_usage(char *error)
270 {
271 printf("Usage:\n");
272 printf(" Add a connection:\n");
273 printf(" stroke add NAME MY_ID OTHER_ID MY_ADDR OTHER_ADDR\\\n");
274 printf(" MY_NET OTHER_NET MY_NETBITS OTHER_NETBITS\n");
275 printf(" where: ID is any IKEv2 ID \n");
276 printf(" ADDR is a IPv4 address\n");
277 printf(" NET is a IPv4 subnet in CIDR notation\n");
278 printf(" Delete a connection:\n");
279 printf(" stroke delete NAME\n");
280 printf(" where: NAME is a connection name added with \"stroke add\"\n");
281 printf(" Initiate a connection:\n");
282 printf(" stroke up NAME\n");
283 printf(" where: NAME is a connection name added with \"stroke add\"\n");
284 printf(" Terminate a connection:\n");
285 printf(" stroke down NAME\n");
286 printf(" where: NAME is a connection name added with \"stroke add\"\n");
287 printf(" Set loglevel for a logging type:\n");
288 printf(" stroke loglevel TYPE LEVEL\n");
289 printf(" where: TYPE is any|dmn|mgr|ike|chd|job|cfg|knl|net|enc|lib\n");
290 printf(" LEVEL is -1|0|1|2|3|4\n");
291 printf(" Show connection status:\n");
292 printf(" stroke status\n");
293 printf(" Show list of authority and attribute certificates:\n");
294 printf(" stroke listcacerts|listocspcerts|listaacerts|listacerts\n");
295 printf(" Show list of end entity certificates, ca info records and crls:\n");
296 printf(" stroke listcerts|listcainfos|listcrls|listall\n");
297 printf(" Reload authority and attribute certificates:\n");
298 printf(" stroke rereadcacerts|rereadocspcerts|rereadaacerts|rereadacerts\n");
299 printf(" Reload secrets and crls:\n");
300 printf(" stroke rereadsecrets|rereadcrls|rereadall\n");
301 printf(" Purge ocsp cache entries:\n");
302 printf(" stroke purgeocsp\n");
303 exit_error(error);
304 }
305
306 int main(int argc, char *argv[])
307 {
308 const stroke_token_t *token;
309 int res = 0;
310
311 if (argc < 2)
312 {
313 exit_usage(NULL);
314 }
315
316 token = in_word_set(argv[1], strlen(argv[1]));
317
318 if (token == NULL)
319 {
320 exit_usage("unknown keyword");
321 }
322
323 switch (token->kw)
324 {
325 case STROKE_ADD:
326 if (argc < 11)
327 {
328 exit_usage("\"add\" needs more parameters...");
329 }
330 res = add_connection(argv[2],
331 argv[3], argv[4],
332 argv[5], argv[6],
333 argv[7], argv[8]);
334 break;
335 case STROKE_DELETE:
336 case STROKE_DEL:
337 if (argc < 3)
338 {
339 exit_usage("\"delete\" needs a connection name");
340 }
341 res = del_connection(argv[2]);
342 break;
343 case STROKE_UP:
344 if (argc < 3)
345 {
346 exit_usage("\"up\" needs a connection name");
347 }
348 res = initiate_connection(argv[2]);
349 break;
350 case STROKE_DOWN:
351 if (argc < 3)
352 {
353 exit_usage("\"down\" needs a connection name");
354 }
355 res = terminate_connection(argv[2]);
356 break;
357 case STROKE_ROUTE:
358 if (argc < 3)
359 {
360 exit_usage("\"route\" needs a connection name");
361 }
362 res = route_connection(argv[2]);
363 break;
364 case STROKE_UNROUTE:
365 if (argc < 3)
366 {
367 exit_usage("\"unroute\" needs a connection name");
368 }
369 res = unroute_connection(argv[2]);
370 break;
371 case STROKE_LOGLEVEL:
372 if (argc < 4)
373 {
374 exit_usage("\"logtype\" needs more parameters...");
375 }
376 res = set_loglevel(argv[2], atoi(argv[3]));
377 break;
378 case STROKE_STATUS:
379 case STROKE_STATUSALL:
380 res = show_status(token->kw, argc > 2 ? argv[2] : NULL);
381 break;
382 case STROKE_LIST_CERTS:
383 case STROKE_LIST_CACERTS:
384 case STROKE_LIST_OCSPCERTS:
385 case STROKE_LIST_AACERTS:
386 case STROKE_LIST_ACERTS:
387 case STROKE_LIST_CAINFOS:
388 case STROKE_LIST_CRLS:
389 case STROKE_LIST_OCSP:
390 case STROKE_LIST_ALL:
391 res = list(token->kw, argc > 2 && strcmp(argv[2], "--utc") == 0);
392 break;
393 case STROKE_REREAD_SECRETS:
394 case STROKE_REREAD_CACERTS:
395 case STROKE_REREAD_OCSPCERTS:
396 case STROKE_REREAD_AACERTS:
397 case STROKE_REREAD_ACERTS:
398 case STROKE_REREAD_CRLS:
399 case STROKE_REREAD_ALL:
400 res = reread(token->kw);
401 break;
402 case STROKE_PURGE_OCSP:
403 res = purge(token->kw);
404 break;
405 default:
406 exit_usage(NULL);
407 }
408 return res;
409 }