merged tasking branch into trunk
[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.sourceip = NULL;
131 msg.add_conn.me.virtual_ip = 0;
132 msg.add_conn.me.cert = NULL;
133 msg.add_conn.me.ca = NULL;
134 msg.add_conn.me.sendcert = 1;
135 msg.add_conn.me.hostaccess = 0;
136 msg.add_conn.me.protocol = 0;
137 msg.add_conn.me.port = 0;
138
139 msg.add_conn.other.id = push_string(&msg, other_id);
140 msg.add_conn.other.address = push_string(&msg, other_addr);
141 msg.add_conn.other.subnet = push_string(&msg, other_net);
142 msg.add_conn.other.subnet_mask = other_netmask;
143 msg.add_conn.other.sourceip = NULL;
144 msg.add_conn.other.virtual_ip = 0;
145 msg.add_conn.other.cert = NULL;
146 msg.add_conn.other.ca = NULL;
147 msg.add_conn.other.sendcert = 1;
148 msg.add_conn.other.hostaccess = 0;
149 msg.add_conn.other.protocol = 0;
150 msg.add_conn.other.port = 0;
151
152 return send_stroke_msg(&msg);
153 }
154
155 static int del_connection(char *name)
156 {
157 stroke_msg_t msg;
158
159 msg.length = offsetof(stroke_msg_t, buffer);
160 msg.type = STR_DEL_CONN;
161 msg.initiate.name = push_string(&msg, name);
162 return send_stroke_msg(&msg);
163 }
164
165 static int initiate_connection(char *name)
166 {
167 stroke_msg_t msg;
168
169 msg.length = offsetof(stroke_msg_t, buffer);
170 msg.type = STR_INITIATE;
171 msg.initiate.name = push_string(&msg, name);
172 return send_stroke_msg(&msg);
173 }
174
175 static int terminate_connection(char *name)
176 {
177 stroke_msg_t msg;
178
179 msg.type = STR_TERMINATE;
180 msg.length = offsetof(stroke_msg_t, buffer);
181 msg.initiate.name = push_string(&msg, name);
182 return send_stroke_msg(&msg);
183 }
184
185 static int route_connection(char *name)
186 {
187 stroke_msg_t msg;
188
189 msg.type = STR_ROUTE;
190 msg.length = offsetof(stroke_msg_t, buffer);
191 msg.route.name = push_string(&msg, name);
192 return send_stroke_msg(&msg);
193 }
194
195 static int unroute_connection(char *name)
196 {
197 stroke_msg_t msg;
198
199 msg.type = STR_UNROUTE;
200 msg.length = offsetof(stroke_msg_t, buffer);
201 msg.unroute.name = push_string(&msg, name);
202 return send_stroke_msg(&msg);
203 }
204
205 static int show_status(stroke_keyword_t kw, char *connection)
206 {
207 stroke_msg_t msg;
208
209 msg.type = (kw == STROKE_STATUS)? STR_STATUS:STR_STATUS_ALL;
210 msg.length = offsetof(stroke_msg_t, buffer);
211 msg.status.name = push_string(&msg, connection);
212 return send_stroke_msg(&msg);
213 }
214
215 static int list_flags[] = {
216 LIST_CERTS,
217 LIST_CACERTS,
218 LIST_OCSPCERTS,
219 LIST_CAINFOS,
220 LIST_CRLS,
221 LIST_OCSP,
222 LIST_ALL
223 };
224
225 static int list(stroke_keyword_t kw, int utc)
226 {
227 stroke_msg_t msg;
228
229 msg.type = STR_LIST;
230 msg.length = offsetof(stroke_msg_t, buffer);
231 msg.list.utc = utc;
232 msg.list.flags = list_flags[kw - STROKE_LIST_FIRST];
233 return send_stroke_msg(&msg);
234 }
235
236 static int reread_flags[] = {
237 REREAD_CACERTS,
238 REREAD_OCSPCERTS,
239 REREAD_CRLS,
240 REREAD_ALL
241 };
242
243 static int reread(stroke_keyword_t kw)
244 {
245 stroke_msg_t msg;
246
247 msg.type = STR_REREAD;
248 msg.length = offsetof(stroke_msg_t, buffer);
249 msg.reread.flags = reread_flags[kw - STROKE_REREAD_FIRST];
250 return send_stroke_msg(&msg);
251 }
252
253 static int purge_flags[] = {
254 PURGE_OCSP
255 };
256
257 static int purge(stroke_keyword_t kw)
258 {
259 stroke_msg_t msg;
260
261 msg.type = STR_PURGE;
262 msg.length = offsetof(stroke_msg_t, buffer);
263 msg.purge.flags = purge_flags[kw - STROKE_PURGE_FIRST];
264 return send_stroke_msg(&msg);
265 }
266
267 static int set_loglevel(char *type, u_int level)
268 {
269 stroke_msg_t msg;
270
271 msg.type = STR_LOGLEVEL;
272 msg.length = offsetof(stroke_msg_t, buffer);
273 msg.loglevel.type = push_string(&msg, type);
274 msg.loglevel.level = level;
275 return send_stroke_msg(&msg);
276 }
277
278 static void exit_error(char *error)
279 {
280 if (error)
281 {
282 fprintf(stderr, "%s\n", error);
283 }
284 exit(-1);
285 }
286
287 static void exit_usage(char *error)
288 {
289 printf("Usage:\n");
290 printf(" Add a connection:\n");
291 printf(" stroke add NAME MY_ID OTHER_ID MY_ADDR OTHER_ADDR\\\n");
292 printf(" MY_NET OTHER_NET MY_NETBITS OTHER_NETBITS\n");
293 printf(" where: ID is any IKEv2 ID \n");
294 printf(" ADDR is a IPv4 address\n");
295 printf(" NET is a IPv4 address of the subnet to tunnel\n");
296 printf(" NETBITS is the size of the subnet, as the \"24\" in 192.168.0.0/24\n");
297 printf(" Delete a connection:\n");
298 printf(" stroke delete NAME\n");
299 printf(" where: NAME is a connection name added with \"stroke add\"\n");
300 printf(" Initiate a connection:\n");
301 printf(" stroke up NAME\n");
302 printf(" where: NAME is a connection name added with \"stroke add\"\n");
303 printf(" Terminate a connection:\n");
304 printf(" stroke down NAME\n");
305 printf(" where: NAME is a connection name added with \"stroke add\"\n");
306 printf(" Set loglevel for a logging type:\n");
307 printf(" stroke loglevel TYPE LEVEL\n");
308 printf(" where: TYPE is any|dmn|mgr|ike|chd|job|cfg|knl|net|enc|lib\n");
309 printf(" LEVEL is -1|0|1|2|3|4\n");
310 printf(" Show connection status:\n");
311 printf(" stroke status\n");
312 printf(" Show list of locally loaded certificates and crls:\n");
313 printf(" stroke listcerts|listcacerts|listocspcerts|listcainfos|listcrls|listocsp|listall\n");
314 printf(" Reload ca certificates and crls:\n");
315 printf(" stroke rereadcacerts|rereadcrls|rereadall\n");
316 printf(" Purge ocsp cache entries:\n");
317 printf(" stroke purgeocsp\n");
318 exit_error(error);
319 }
320
321 int main(int argc, char *argv[])
322 {
323 const stroke_token_t *token;
324 int res = 0;
325
326 if (argc < 2)
327 {
328 exit_usage(NULL);
329 }
330
331 token = in_word_set(argv[1], strlen(argv[1]));
332
333 if (token == NULL)
334 {
335 exit_usage("unknown keyword");
336 }
337
338 switch (token->kw)
339 {
340 case STROKE_ADD:
341 if (argc < 11)
342 {
343 exit_usage("\"add\" needs more parameters...");
344 }
345 res = add_connection(argv[2],
346 argv[3], argv[4],
347 argv[5], argv[6],
348 argv[7], argv[8],
349 atoi(argv[9]), atoi(argv[10]));
350 break;
351 case STROKE_DELETE:
352 case STROKE_DEL:
353 if (argc < 3)
354 {
355 exit_usage("\"delete\" needs a connection name");
356 }
357 res = del_connection(argv[2]);
358 break;
359 case STROKE_UP:
360 if (argc < 3)
361 {
362 exit_usage("\"up\" needs a connection name");
363 }
364 res = initiate_connection(argv[2]);
365 break;
366 case STROKE_DOWN:
367 if (argc < 3)
368 {
369 exit_usage("\"down\" needs a connection name");
370 }
371 res = terminate_connection(argv[2]);
372 break;
373 case STROKE_ROUTE:
374 if (argc < 3)
375 {
376 exit_usage("\"route\" needs a connection name");
377 }
378 res = route_connection(argv[2]);
379 break;
380 case STROKE_UNROUTE:
381 if (argc < 3)
382 {
383 exit_usage("\"unroute\" needs a connection name");
384 }
385 res = unroute_connection(argv[2]);
386 break;
387 case STROKE_LOGLEVEL:
388 if (argc < 4)
389 {
390 exit_usage("\"logtype\" needs more parameters...");
391 }
392 res = set_loglevel(argv[2], atoi(argv[3]));
393 break;
394 case STROKE_STATUS:
395 case STROKE_STATUSALL:
396 res = show_status(token->kw, argc > 2 ? argv[2] : NULL);
397 break;
398 case STROKE_LIST_CERTS:
399 case STROKE_LIST_CACERTS:
400 case STROKE_LIST_OCSPCERTS:
401 case STROKE_LIST_CAINFOS:
402 case STROKE_LIST_CRLS:
403 case STROKE_LIST_OCSP:
404 case STROKE_LIST_ALL:
405 res = list(token->kw, argc > 2 && strcmp(argv[2], "--utc") == 0);
406 break;
407 case STROKE_REREAD_CACERTS:
408 case STROKE_REREAD_CRLS:
409 case STROKE_REREAD_ALL:
410 res = reread(token->kw);
411 break;
412 case STROKE_PURGE_OCSP:
413 res = purge(token->kw);
414 break;
415 default:
416 exit_usage(NULL);
417 }
418 return res;
419 }