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Commit | Line | Data |
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39877197 | 1 | #include <signal.h> |
6e13d0a5 MT |
2 | #include <stdio.h> |
3 | #include <string.h> | |
4 | #include <unistd.h> | |
5 | #include <stdlib.h> | |
6 | #include <sys/types.h> | |
3d1fbbb0 MT |
7 | #include <arpa/inet.h> |
8 | #include <netinet/in.h> | |
6e13d0a5 MT |
9 | #include <fcntl.h> |
10 | #include "setuid.h" | |
52e54c1c | 11 | #include "netutil.h" |
6e13d0a5 MT |
12 | #include "libsmooth.h" |
13 | ||
c894a342 | 14 | #define noovpndebug |
6e13d0a5 MT |
15 | |
16 | // global vars | |
17 | struct keyvalue *kv = NULL; | |
18 | FILE *ifacefile = NULL; | |
19 | ||
20 | char redif[STRING_SIZE]; | |
21 | char blueif[STRING_SIZE]; | |
22 | char orangeif[STRING_SIZE]; | |
23 | char enablered[STRING_SIZE] = "off"; | |
24 | char enableblue[STRING_SIZE] = "off"; | |
25 | char enableorange[STRING_SIZE] = "off"; | |
26 | ||
27 | // consts | |
ab4876ad | 28 | char OVPNINPUT[STRING_SIZE] = "OVPNINPUT"; |
c31f18b6 | 29 | char OVPNBLOCK[STRING_SIZE] = "OVPNBLOCK"; |
3d1fbbb0 | 30 | char OVPNNAT[STRING_SIZE] = "OVPNNAT"; |
ab4876ad | 31 | char WRAPPERVERSION[STRING_SIZE] = "ipfire-2.2.4"; |
6925b8ef AF |
32 | |
33 | struct connection_struct { | |
34 | char name[STRING_SIZE]; | |
91a0a221 | 35 | char type[STRING_SIZE]; |
6925b8ef | 36 | char proto[STRING_SIZE]; |
99b01b84 | 37 | char status[STRING_SIZE]; |
3d1fbbb0 MT |
38 | char local_subnet[STRING_SIZE]; |
39 | char transfer_subnet[STRING_SIZE]; | |
40 | char role[STRING_SIZE]; | |
ab4876ad | 41 | char port[STRING_SIZE]; |
6925b8ef AF |
42 | struct connection_struct *next; |
43 | }; | |
44 | ||
45 | typedef struct connection_struct connection; | |
6e13d0a5 MT |
46 | |
47 | void exithandler(void) | |
48 | { | |
49 | if(kv) | |
50 | freekeyvalues(kv); | |
51 | if (ifacefile) | |
52 | fclose(ifacefile); | |
53 | } | |
54 | ||
55 | void usage(void) | |
56 | { | |
57 | #ifdef ovpndebug | |
07081137 | 58 | printf("Wrapper for OpenVPN %s-debug\n", WRAPPERVERSION); |
6e13d0a5 | 59 | #else |
07081137 | 60 | printf("Wrapper for OpenVPN %s\n", WRAPPERVERSION); |
6e13d0a5 MT |
61 | #endif |
62 | printf("openvpnctrl <option>\n"); | |
63 | printf(" Valid options are:\n"); | |
64 | printf(" -s --start\n"); | |
65 | printf(" starts OpenVPN (implicitly creates chains and firewall rules)\n"); | |
66 | printf(" -k --kill\n"); | |
67 | printf(" kills/stops OpenVPN\n"); | |
68 | printf(" -r --restart\n"); | |
69 | printf(" restarts OpenVPN (implicitly creates chains and firewall rules)\n"); | |
64f0c354 MT |
70 | printf(" -sn2n --start-net-2-net\n"); |
71 | printf(" starts all net2net connections\n"); | |
72 | printf(" you may pass a connection name to the switch to only start a specific one\n"); | |
73 | printf(" -kn2n --kill-net-2-net\n"); | |
74 | printf(" kills all net2net connections\n"); | |
75 | printf(" you may pass a connection name to the switch to only start a specific one\n"); | |
6e13d0a5 MT |
76 | printf(" -d --display\n"); |
77 | printf(" displays OpenVPN status to syslog\n"); | |
78 | printf(" -fwr --firewall-rules\n"); | |
79 | printf(" removes current OpenVPN chains and rules and resets them according to the config\n"); | |
80 | printf(" -sdo --start-daemon-only\n"); | |
afabe9f7 | 81 | printf(" starts OpenVPN daemon only\n"); |
6e13d0a5 MT |
82 | exit(1); |
83 | } | |
84 | ||
6925b8ef AF |
85 | connection *getConnections() { |
86 | FILE *fp = NULL; | |
87 | ||
88 | if (!(fp = fopen(CONFIG_ROOT "/ovpn/ovpnconfig", "r"))) { | |
89 | fprintf(stderr, "Could not open openvpn n2n configuration file.\n"); | |
90 | exit(1); | |
91 | } | |
92 | ||
93 | char line[STRING_SIZE] = ""; | |
d4f2fb97 MT |
94 | char result[STRING_SIZE] = ""; |
95 | char *resultptr; | |
6925b8ef AF |
96 | int count; |
97 | connection *conn_first = NULL; | |
98 | connection *conn_last = NULL; | |
99 | connection *conn_curr; | |
100 | ||
101 | while ((fgets(line, STRING_SIZE, fp) != NULL)) { | |
102 | if (line[strlen(line) - 1] == '\n') | |
103 | line[strlen(line) - 1] = '\0'; | |
104 | ||
105 | conn_curr = (connection *)malloc(sizeof(connection)); | |
106 | memset(conn_curr, 0, sizeof(connection)); | |
107 | ||
108 | if (conn_first == NULL) { | |
109 | conn_first = conn_curr; | |
110 | } else { | |
111 | conn_last->next = conn_curr; | |
112 | } | |
113 | conn_last = conn_curr; | |
114 | ||
115 | count = 0; | |
d4f2fb97 MT |
116 | char *lineptr = &line; |
117 | while (1) { | |
118 | if (*lineptr == NULL) | |
119 | break; | |
120 | ||
121 | resultptr = result; | |
122 | while (*lineptr != NULL) { | |
123 | if (*lineptr == ',') { | |
124 | lineptr++; | |
125 | break; | |
126 | } | |
127 | *resultptr++ = *lineptr++; | |
128 | } | |
129 | *resultptr = '\0'; | |
130 | ||
99b01b84 MT |
131 | if (count == 1) { |
132 | strcpy(conn_curr->status, result); | |
133 | } else if (count == 2) { | |
6925b8ef | 134 | strcpy(conn_curr->name, result); |
91a0a221 MT |
135 | } else if (count == 4) { |
136 | strcpy(conn_curr->type, result); | |
3d1fbbb0 MT |
137 | } else if (count == 7) { |
138 | strcpy(conn_curr->role, result); | |
139 | } else if (count == 9) { | |
140 | strcpy(conn_curr->local_subnet, result); | |
141 | } else if (count == 28) { | |
142 | strcpy(conn_curr->transfer_subnet, result); | |
d4f2fb97 | 143 | } else if (count == 29) { |
6925b8ef | 144 | strcpy(conn_curr->proto, result); |
d4f2fb97 | 145 | } else if (count == 30) { |
ab4876ad | 146 | strcpy(conn_curr->port, result); |
6925b8ef AF |
147 | } |
148 | ||
6925b8ef AF |
149 | count++; |
150 | } | |
151 | } | |
152 | ||
153 | fclose(fp); | |
154 | ||
155 | return conn_first; | |
156 | } | |
157 | ||
80ca8bd0 MT |
158 | int readPidFile(const char *pidfile) { |
159 | FILE *fp = fopen(pidfile, "r"); | |
160 | if (fp == NULL) { | |
80ca8bd0 MT |
161 | exit(1); |
162 | } | |
163 | ||
164 | int pid = 0; | |
165 | fscanf(fp, "%d", &pid); | |
166 | fclose(fp); | |
167 | ||
168 | return pid; | |
169 | } | |
170 | ||
6e13d0a5 | 171 | void ovpnInit(void) { |
6e13d0a5 MT |
172 | // Read OpenVPN configuration |
173 | kv = initkeyvalues(); | |
174 | if (!readkeyvalues(kv, CONFIG_ROOT "/ovpn/settings")) { | |
175 | fprintf(stderr, "Cannot read ovpn settings\n"); | |
176 | exit(1); | |
177 | } | |
178 | ||
179 | if (!findkey(kv, "ENABLED", enablered)) { | |
6e13d0a5 MT |
180 | exit(1); |
181 | } | |
182 | ||
183 | if (!findkey(kv, "ENABLED_BLUE", enableblue)){ | |
6e13d0a5 MT |
184 | exit(1); |
185 | } | |
186 | ||
187 | if (!findkey(kv, "ENABLED_ORANGE", enableorange)){ | |
6e13d0a5 MT |
188 | exit(1); |
189 | } | |
190 | freekeyvalues(kv); | |
191 | ||
192 | // read interface settings | |
193 | ||
194 | // details for the red int | |
195 | memset(redif, 0, STRING_SIZE); | |
196 | if ((ifacefile = fopen(CONFIG_ROOT "/red/iface", "r"))) | |
197 | { | |
198 | if (fgets(redif, STRING_SIZE, ifacefile)) | |
199 | { | |
200 | if (redif[strlen(redif) - 1] == '\n') | |
201 | redif[strlen(redif) - 1] = '\0'; | |
202 | } | |
203 | fclose (ifacefile); | |
204 | ifacefile = NULL; | |
205 | ||
206 | if (!VALID_DEVICE(redif)) | |
207 | { | |
208 | memset(redif, 0, STRING_SIZE); | |
209 | } | |
210 | } | |
211 | ||
212 | kv=initkeyvalues(); | |
3ad23ee1 | 213 | if (!readkeyvalues(kv, CONFIG_ROOT "/ethernet/settings")) { |
6e13d0a5 MT |
214 | fprintf(stderr, "Cannot read ethernet settings\n"); |
215 | exit(1); | |
216 | } | |
217 | ||
3ad23ee1 MT |
218 | if (strcmp(enableblue, "on") == 0) { |
219 | if (!findkey(kv, "BLUE_DEV", blueif)) { | |
6e13d0a5 MT |
220 | exit(1); |
221 | } | |
222 | } | |
3ad23ee1 MT |
223 | |
224 | if (strcmp(enableorange, "on") == 0) { | |
225 | if (!findkey(kv, "ORANGE_DEV", orangeif)) { | |
6e13d0a5 MT |
226 | exit(1); |
227 | } | |
3ad23ee1 | 228 | } |
6e13d0a5 MT |
229 | freekeyvalues(kv); |
230 | } | |
231 | ||
232 | void executeCommand(char *command) { | |
233 | #ifdef ovpndebug | |
234 | printf(strncat(command, "\n", 2)); | |
235 | #endif | |
236 | safe_system(strncat(command, " >/dev/null 2>&1", 17)); | |
237 | } | |
238 | ||
ab4876ad MT |
239 | void addRule(const char *chain, const char *interface, const char *protocol, const char *port) { |
240 | char command[STRING_SIZE]; | |
07081137 | 241 | |
ab4876ad MT |
242 | snprintf(command, STRING_SIZE - 1, "/sbin/iptables -A %s -i %s -p %s --dport %s -j ACCEPT", |
243 | chain, interface, protocol, port); | |
244 | executeCommand(command); | |
6e13d0a5 MT |
245 | } |
246 | ||
247 | void flushChain(char *chain) { | |
248 | char str[STRING_SIZE]; | |
249 | ||
ab4876ad | 250 | snprintf(str, STRING_SIZE - 1, "/sbin/iptables -F %s", chain); |
6e13d0a5 | 251 | executeCommand(str); |
6e13d0a5 MT |
252 | } |
253 | ||
3d1fbbb0 MT |
254 | void flushChainNAT(char *chain) { |
255 | char str[STRING_SIZE]; | |
256 | ||
ab4876ad | 257 | snprintf(str, STRING_SIZE - 1, "/sbin/iptables -t nat -F %s", chain); |
6e13d0a5 | 258 | executeCommand(str); |
6e13d0a5 MT |
259 | } |
260 | ||
3d1fbbb0 | 261 | char* calcTransferNetAddress(const connection* conn) { |
a19ff965 MT |
262 | char *subnetmask = strdup(conn->transfer_subnet); |
263 | char *address = strsep(&subnetmask, "/"); | |
3d1fbbb0 | 264 | |
cdbe3504 MT |
265 | if ((address == NULL) || (subnetmask == NULL)) { |
266 | goto ERROR; | |
267 | } | |
268 | ||
a19ff965 MT |
269 | in_addr_t _address = inet_addr(address); |
270 | in_addr_t _subnetmask = inet_addr(subnetmask); | |
271 | _address &= _subnetmask; | |
3d1fbbb0 | 272 | |
a19ff965 MT |
273 | if (strcmp(conn->role, "server") == 0) { |
274 | _address += 1 << 24; | |
275 | } else if (strcmp(conn->role, "client") == 0) { | |
276 | _address += 2 << 24; | |
3d1fbbb0 MT |
277 | } else { |
278 | goto ERROR; | |
279 | } | |
280 | ||
a19ff965 MT |
281 | struct in_addr address_info; |
282 | address_info.s_addr = _address; | |
283 | ||
284 | return inet_ntoa(address_info); | |
3d1fbbb0 MT |
285 | |
286 | ERROR: | |
a19ff965 MT |
287 | fprintf(stderr, "Could not determine transfer net address: %s\n", conn->name); |
288 | ||
3d1fbbb0 MT |
289 | free(address); |
290 | return NULL; | |
291 | } | |
292 | ||
293 | char* getLocalSubnetAddress(const connection* conn) { | |
294 | kv = initkeyvalues(); | |
295 | if (!readkeyvalues(kv, CONFIG_ROOT "/ethernet/settings")) { | |
296 | fprintf(stderr, "Cannot read ethernet settings\n"); | |
297 | exit(1); | |
298 | } | |
299 | ||
300 | const char *zones[] = {"GREEN", "BLUE", "ORANGE", NULL}; | |
301 | char *zone = NULL; | |
302 | ||
303 | // Get net address of the local openvpn subnet. | |
304 | char *subnetmask = strdup(conn->local_subnet); | |
305 | char *address = strsep(&subnetmask, "/"); | |
306 | ||
307 | if ((address == NULL) || (subnetmask == NULL)) { | |
308 | goto ERROR; | |
309 | } | |
310 | ||
311 | in_addr_t _address = inet_addr(address); | |
312 | in_addr_t _subnetmask = inet_addr(subnetmask); | |
313 | ||
314 | in_addr_t _netaddr = (_address & _subnetmask); | |
315 | in_addr_t _broadcast = (_address | ~_subnetmask); | |
316 | ||
317 | char zone_address_key[STRING_SIZE]; | |
318 | char zone_address[STRING_SIZE]; | |
319 | in_addr_t zone_addr; | |
320 | ||
321 | int i = 0; | |
322 | while (zones[i]) { | |
323 | zone = zones[i++]; | |
324 | snprintf(zone_address_key, STRING_SIZE, "%s_ADDRESS", zone); | |
325 | ||
326 | if (!findkey(kv, zone_address_key, zone_address)) | |
327 | continue; | |
328 | ||
329 | zone_addr = inet_addr(zone_address); | |
330 | if ((zone_addr > _netaddr) && (zone_addr < _broadcast)) { | |
331 | freekeyvalues(kv); | |
332 | ||
333 | return strdup(zone_address); | |
334 | } | |
335 | } | |
336 | ||
337 | ERROR: | |
a19ff965 MT |
338 | fprintf(stderr, "Could not determine local subnet address: %s\n", conn->name); |
339 | ||
3d1fbbb0 MT |
340 | freekeyvalues(kv); |
341 | return NULL; | |
342 | } | |
343 | ||
6e13d0a5 MT |
344 | void setFirewallRules(void) { |
345 | char protocol[STRING_SIZE] = ""; | |
346 | char dport[STRING_SIZE] = ""; | |
347 | char dovpnip[STRING_SIZE] = ""; | |
348 | ||
6e13d0a5 MT |
349 | kv = initkeyvalues(); |
350 | if (!readkeyvalues(kv, CONFIG_ROOT "/ovpn/settings")) | |
351 | { | |
352 | fprintf(stderr, "Cannot read ovpn settings\n"); | |
353 | exit(1); | |
354 | } | |
355 | ||
356 | /* we got one device, so lets proceed further */ | |
357 | if (!findkey(kv, "DDEST_PORT", dport)){ | |
358 | fprintf(stderr, "Cannot read DDEST_PORT\n"); | |
359 | exit(1); | |
360 | } | |
361 | ||
362 | if (!findkey(kv, "DPROTOCOL", protocol)){ | |
363 | fprintf(stderr, "Cannot read DPROTOCOL\n"); | |
364 | exit(1); | |
365 | } | |
366 | ||
367 | if (!findkey(kv, "VPN_IP", dovpnip)){ | |
368 | fprintf(stderr, "Cannot read VPN_IP\n"); | |
6e13d0a5 MT |
369 | } |
370 | freekeyvalues(kv); | |
371 | ||
07081137 | 372 | // Flush all chains. |
ab4876ad | 373 | flushChain(OVPNINPUT); |
2181b555 | 374 | flushChain(OVPNBLOCK); |
3d1fbbb0 | 375 | flushChainNAT(OVPNNAT); |
07081137 | 376 | |
6e13d0a5 MT |
377 | // set firewall rules |
378 | if (!strcmp(enablered, "on") && strlen(redif)) | |
ab4876ad | 379 | addRule(OVPNINPUT, redif, protocol, dport); |
6e13d0a5 | 380 | if (!strcmp(enableblue, "on") && strlen(blueif)) |
ab4876ad | 381 | addRule(OVPNINPUT, blueif, protocol, dport); |
6e13d0a5 | 382 | if (!strcmp(enableorange, "on") && strlen(orangeif)) |
ab4876ad | 383 | addRule(OVPNINPUT, orangeif, protocol, dport); |
6925b8ef | 384 | |
91a0a221 MT |
385 | // read connection configuration |
386 | connection *conn = getConnections(); | |
387 | ||
6925b8ef | 388 | // set firewall rules for n2n connections |
91a0a221 | 389 | char command[STRING_SIZE]; |
3d1fbbb0 MT |
390 | char *local_subnet_address = NULL; |
391 | char *transfer_subnet_address = NULL; | |
7d653d51 | 392 | while (conn != NULL) { |
91a0a221 | 393 | if (strcmp(conn->type, "net") == 0) { |
ab4876ad | 394 | addRule(OVPNINPUT, redif, conn->proto, conn->port); |
3d1fbbb0 | 395 | |
c31f18b6 | 396 | /* Block all communication from the transfer nets. */ |
ab4876ad | 397 | snprintf(command, STRING_SIZE - 1, "/sbin/iptables -A %s -s %s -j DROP", |
c31f18b6 MT |
398 | OVPNBLOCK, conn->transfer_subnet); |
399 | executeCommand(command); | |
400 | ||
3d1fbbb0 MT |
401 | local_subnet_address = getLocalSubnetAddress(conn); |
402 | transfer_subnet_address = calcTransferNetAddress(conn); | |
403 | ||
cdbe3504 | 404 | if ((local_subnet_address) && (transfer_subnet_address)) { |
ab4876ad | 405 | snprintf(command, STRING_SIZE - 1, "/sbin/iptables -t nat -A %s -s %s -j SNAT --to-source %s", |
cdbe3504 MT |
406 | OVPNNAT, transfer_subnet_address, local_subnet_address); |
407 | executeCommand(command); | |
408 | } | |
91a0a221 MT |
409 | } |
410 | ||
6925b8ef AF |
411 | conn = conn->next; |
412 | } | |
6e13d0a5 MT |
413 | } |
414 | ||
415 | void stopDaemon(void) { | |
416 | char command[STRING_SIZE]; | |
417 | ||
2bcff894 | 418 | int pid = readPidFile("/var/run/openvpn.pid"); |
80ca8bd0 | 419 | if (!pid > 0) { |
2bcff894 MT |
420 | exit(1); |
421 | } | |
422 | ||
423 | fprintf(stderr, "Killing PID %d.\n", pid); | |
424 | kill(pid, SIGTERM); | |
425 | ||
6e13d0a5 MT |
426 | snprintf(command, STRING_SIZE - 1, "/bin/rm -f /var/run/openvpn.pid"); |
427 | executeCommand(command); | |
428 | } | |
429 | ||
430 | void startDaemon(void) { | |
431 | char command[STRING_SIZE]; | |
432 | ||
3ad23ee1 | 433 | if (!((strcmp(enablered, "on") == 0) || (strcmp(enableblue, "on") == 0) || (strcmp(enableorange, "on") == 0))) { |
6e13d0a5 MT |
434 | fprintf(stderr, "OpenVPN is not enabled on any interface\n"); |
435 | exit(1); | |
436 | } else { | |
7d3af7f7 MT |
437 | snprintf(command, STRING_SIZE-1, "/sbin/modprobe tun"); |
438 | executeCommand(command); | |
072cd997 | 439 | snprintf(command, STRING_SIZE-1, "/usr/sbin/openvpn --config /var/ipfire/ovpn/server.conf"); |
6e13d0a5 MT |
440 | executeCommand(command); |
441 | } | |
442 | } | |
443 | ||
99b01b84 | 444 | int startNet2Net(char *name) { |
6925b8ef AF |
445 | connection *conn = NULL; |
446 | connection *conn_iter; | |
447 | ||
448 | conn_iter = getConnections(); | |
449 | ||
450 | while (conn_iter) { | |
91a0a221 | 451 | if ((strcmp(conn_iter->type, "net") == 0) && (strcmp(conn_iter->name, name) == 0)) { |
6925b8ef AF |
452 | conn = conn_iter; |
453 | break; | |
454 | } | |
455 | conn_iter = conn_iter->next; | |
456 | } | |
457 | ||
458 | if (conn == NULL) { | |
459 | fprintf(stderr, "Connection not found.\n"); | |
99b01b84 MT |
460 | return 1; |
461 | } | |
462 | ||
463 | if (strcmp(conn->status, "on") != 0) { | |
464 | fprintf(stderr, "Connection '%s' is not enabled.\n", conn->name); | |
465 | return 1; | |
6925b8ef AF |
466 | } |
467 | ||
99b01b84 MT |
468 | fprintf(stderr, "Starting connection %s...\n", conn->name); |
469 | ||
39877197 MT |
470 | char configfile[STRING_SIZE]; |
471 | snprintf(configfile, STRING_SIZE - 1, CONFIG_ROOT "/ovpn/n2nconf/%s/%s.conf", | |
472 | conn->name, conn->name); | |
473 | ||
474 | FILE *fp = fopen(configfile, "r"); | |
475 | if (fp == NULL) { | |
476 | fprintf(stderr, "Could not find configuration file for connection '%s' at '%s'.\n", | |
477 | conn->name, configfile); | |
99b01b84 | 478 | return 2; |
39877197 MT |
479 | } |
480 | fclose(fp); | |
481 | ||
07081137 MT |
482 | // Make sure all firewall rules are up to date. |
483 | setFirewallRules(); | |
484 | ||
6925b8ef | 485 | char command[STRING_SIZE]; |
81a789d9 MT |
486 | snprintf(command, STRING_SIZE-1, "/sbin/modprobe tun"); |
487 | executeCommand(command); | |
488 | snprintf(command, STRING_SIZE-1, "/usr/sbin/openvpn --config %s", configfile); | |
6925b8ef | 489 | executeCommand(command); |
99b01b84 MT |
490 | |
491 | return 0; | |
6925b8ef AF |
492 | } |
493 | ||
99b01b84 | 494 | int killNet2Net(char *name) { |
39877197 MT |
495 | connection *conn = NULL; |
496 | connection *conn_iter; | |
497 | ||
498 | conn_iter = getConnections(); | |
499 | ||
500 | while (conn_iter) { | |
501 | if (strcmp(conn_iter->name, name) == 0) { | |
502 | conn = conn_iter; | |
503 | break; | |
504 | } | |
505 | conn_iter = conn_iter->next; | |
506 | } | |
507 | ||
508 | if (conn == NULL) { | |
509 | fprintf(stderr, "Connection not found.\n"); | |
99b01b84 | 510 | return 1; |
39877197 MT |
511 | } |
512 | ||
513 | char pidfile[STRING_SIZE]; | |
80ca8bd0 | 514 | snprintf(pidfile, STRING_SIZE - 1, "/var/run/%sn2n.pid", conn->name); |
39877197 | 515 | |
2bcff894 | 516 | int pid = readPidFile(pidfile); |
80ca8bd0 | 517 | if (!pid > 0) { |
99b01b84 MT |
518 | fprintf(stderr, "Could not read pid file of connection %s.", conn->name); |
519 | return 1; | |
39877197 MT |
520 | } |
521 | ||
99b01b84 | 522 | fprintf(stderr, "Killing connection %s (PID %d)...\n", conn->name, pid); |
39877197 MT |
523 | kill(pid, SIGTERM); |
524 | ||
d4c8b6be MT |
525 | char command[STRING_SIZE]; |
526 | snprintf(command, STRING_SIZE - 1, "/bin/rm -f %s", pidfile); | |
527 | executeCommand(command); | |
528 | ||
99b01b84 | 529 | return 0; |
6925b8ef AF |
530 | } |
531 | ||
64f0c354 | 532 | void startAllNet2Net() { |
99b01b84 MT |
533 | int exitcode = 0, _exitcode = 0; |
534 | ||
64f0c354 MT |
535 | connection *conn = getConnections(); |
536 | ||
537 | while(conn) { | |
99b01b84 MT |
538 | /* Skip all connections that are not of type "net" or disabled. */ |
539 | if ((strcmp(conn->type, "net") != 0) || (strcmp(conn->status, "on") != 0)) { | |
540 | conn = conn->next; | |
541 | continue; | |
542 | } | |
543 | ||
544 | _exitcode = startNet2Net(conn->name); | |
64f0c354 | 545 | conn = conn->next; |
99b01b84 MT |
546 | |
547 | if (_exitcode > exitcode) { | |
548 | exitcode = _exitcode; | |
549 | } | |
64f0c354 MT |
550 | } |
551 | ||
99b01b84 | 552 | exit(exitcode); |
64f0c354 MT |
553 | } |
554 | ||
555 | void killAllNet2Net() { | |
99b01b84 MT |
556 | int exitcode = 0, _exitcode = 0; |
557 | ||
64f0c354 MT |
558 | connection *conn = getConnections(); |
559 | ||
560 | while(conn) { | |
99b01b84 MT |
561 | /* Skip all connections that are not of type "net". */ |
562 | if (strcmp(conn->type, "net") != 0) { | |
563 | conn = conn->next; | |
564 | continue; | |
565 | } | |
566 | ||
567 | _exitcode = killNet2Net(conn->name); | |
64f0c354 | 568 | conn = conn->next; |
99b01b84 MT |
569 | |
570 | if (_exitcode > exitcode) { | |
571 | exitcode = _exitcode; | |
572 | } | |
64f0c354 MT |
573 | } |
574 | ||
99b01b84 | 575 | exit(exitcode); |
64f0c354 MT |
576 | } |
577 | ||
6e13d0a5 MT |
578 | void displayopenvpn(void) { |
579 | char command[STRING_SIZE]; | |
580 | ||
581 | snprintf(command, STRING_SIZE - 1, "/bin/killall -sSIGUSR2 openvpn"); | |
582 | executeCommand(command); | |
583 | } | |
584 | ||
585 | int main(int argc, char *argv[]) { | |
586 | if (!(initsetuid())) | |
587 | exit(1); | |
588 | if(argc < 2) | |
589 | usage(); | |
6925b8ef AF |
590 | |
591 | if(argc == 3) { | |
91a0a221 MT |
592 | ovpnInit(); |
593 | ||
6925b8ef AF |
594 | if( (strcmp(argv[1], "-sn2n") == 0) || (strcmp(argv[1], "--start-net-2-net") == 0) ) { |
595 | startNet2Net(argv[2]); | |
596 | return 0; | |
597 | } | |
598 | else if( (strcmp(argv[1], "-kn2n") == 0) || (strcmp(argv[1], "--kill-net-2-net") == 0) ) { | |
599 | killNet2Net(argv[2]); | |
600 | return 0; | |
601 | } else { | |
602 | usage(); | |
603 | return 1; | |
604 | } | |
605 | } | |
606 | else if(argc == 2) { | |
6e13d0a5 MT |
607 | if( (strcmp(argv[1], "-k") == 0) || (strcmp(argv[1], "--kill") == 0) ) { |
608 | stopDaemon(); | |
609 | return 0; | |
610 | } | |
611 | else if( (strcmp(argv[1], "-d") == 0) || (strcmp(argv[1], "--display") == 0) ) { | |
612 | displayopenvpn(); | |
613 | return 0; | |
614 | } | |
6e13d0a5 MT |
615 | else { |
616 | ovpnInit(); | |
617 | ||
618 | if( (strcmp(argv[1], "-s") == 0) || (strcmp(argv[1], "--start") == 0) ) { | |
6e13d0a5 MT |
619 | setFirewallRules(); |
620 | startDaemon(); | |
621 | return 0; | |
622 | } | |
64f0c354 MT |
623 | else if( (strcmp(argv[1], "-sn2n") == 0) || (strcmp(argv[1], "--start-net-2-net") == 0) ) { |
624 | startAllNet2Net(); | |
625 | return 0; | |
626 | } | |
627 | else if( (strcmp(argv[1], "-kn2n") == 0) || (strcmp(argv[1], "--kill-net-2-net") == 0) ) { | |
628 | killAllNet2Net(); | |
629 | return 0; | |
630 | } | |
6e13d0a5 MT |
631 | else if( (strcmp(argv[1], "-sdo") == 0) || (strcmp(argv[1], "--start-daemon-only") == 0) ) { |
632 | startDaemon(); | |
633 | return 0; | |
634 | } | |
635 | else if( (strcmp(argv[1], "-r") == 0) || (strcmp(argv[1], "--restart") == 0) ) { | |
636 | stopDaemon(); | |
6e13d0a5 MT |
637 | setFirewallRules(); |
638 | startDaemon(); | |
639 | return 0; | |
640 | } | |
641 | else if( (strcmp(argv[1], "-fwr") == 0) || (strcmp(argv[1], "--firewall-rules") == 0) ) { | |
6e13d0a5 MT |
642 | setFirewallRules(); |
643 | return 0; | |
644 | } | |
645 | else { | |
646 | usage(); | |
647 | return 0; | |
648 | } | |
649 | } | |
650 | } | |
651 | else { | |
652 | usage(); | |
653 | return 0; | |
654 | } | |
655 | return 0; | |
656 | } | |
657 |