1 | /* |
1 | /* |
2 | vpn.C -- handle the protocol, encryption, handshaking etc. |
2 | vpn.C -- handle the protocol, encryption, handshaking etc. |
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3 | Copyright (C) 2003-2004 Marc Lehmann <pcg@goof.com> |
3 | |
4 | |
4 | This program is free software; you can redistribute it and/or modify |
5 | This program is free software; you can redistribute it and/or modify |
5 | it under the terms of the GNU General Public License as published by |
6 | it under the terms of the GNU General Public License as published by |
6 | the Free Software Foundation; either version 2 of the License, or |
7 | the Free Software Foundation; either version 2 of the License, or |
7 | (at your option) any later version. |
8 | (at your option) any later version. |
… | |
… | |
18 | |
19 | |
19 | #include "config.h" |
20 | #include "config.h" |
20 | |
21 | |
21 | #include <list> |
22 | #include <list> |
22 | |
23 | |
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24 | #include <cstdio> |
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25 | #include <cstring> |
23 | #include <cstdlib> |
26 | #include <cstdlib> |
24 | #include <cstring> |
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25 | #include <cstdio> |
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26 | |
27 | |
27 | #include <sys/types.h> |
28 | #include <sys/types.h> |
28 | #include <sys/socket.h> |
29 | #include <sys/socket.h> |
29 | #include <sys/poll.h> |
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30 | #include <sys/wait.h> |
30 | #include <sys/wait.h> |
31 | #include <errno.h> |
31 | #include <errno.h> |
32 | #include <time.h> |
32 | #include <time.h> |
33 | #include <unistd.h> |
33 | #include <unistd.h> |
34 | #include <fcntl.h> |
34 | #include <fcntl.h> |
… | |
… | |
40 | |
40 | |
41 | #include "connection.h" |
41 | #include "connection.h" |
42 | #include "util.h" |
42 | #include "util.h" |
43 | #include "vpn.h" |
43 | #include "vpn.h" |
44 | |
44 | |
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45 | vpn network; // THE vpn (bad design...) |
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46 | |
45 | ///////////////////////////////////////////////////////////////////////////// |
47 | ///////////////////////////////////////////////////////////////////////////// |
46 | |
48 | |
47 | const char *vpn::script_if_up () |
49 | const char *vpn::script_if_up () |
48 | { |
50 | { |
49 | // the tunnel device mtu should be the physical mtu - overhead |
51 | // the tunnel device mtu should be the physical mtu - overhead |
… | |
… | |
52 | mtu += ETH_OVERHEAD - 6 - 6; // now we have the data portion |
54 | mtu += ETH_OVERHEAD - 6 - 6; // now we have the data portion |
53 | mtu -= mtu % EVP_CIPHER_block_size (CIPHER); // round |
55 | mtu -= mtu % EVP_CIPHER_block_size (CIPHER); // round |
54 | mtu -= ETH_OVERHEAD - 6 - 6; // and get interface mtu again |
56 | mtu -= ETH_OVERHEAD - 6 - 6; // and get interface mtu again |
55 | |
57 | |
56 | char *env; |
58 | char *env; |
57 | asprintf (&env, "CONFBASE=%s", confbase); |
59 | asprintf (&env, "CONFBASE=%s", confbase); putenv (env); |
58 | putenv (env); |
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59 | asprintf (&env, "NODENAME=%s", THISNODE->nodename); |
60 | asprintf (&env, "NODENAME=%s", THISNODE->nodename); putenv (env); |
60 | putenv (env); |
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61 | asprintf (&env, "NODEID=%d", THISNODE->id); |
61 | asprintf (&env, "NODEID=%d", THISNODE->id); putenv (env); |
62 | putenv (env); |
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63 | asprintf (&env, "IFNAME=%s", tap->interface ()); |
62 | asprintf (&env, "IFNAME=%s", tap->interface ()); putenv (env); |
64 | putenv (env); |
63 | asprintf (&env, "IFTYPE=%s", IFTYPE); putenv (env); |
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64 | asprintf (&env, "IFSUBTYPE=%s", IFSUBTYPE); putenv (env); |
65 | asprintf (&env, "MTU=%d", mtu); |
65 | asprintf (&env, "MTU=%d", mtu); putenv (env); |
66 | putenv (env); |
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67 | asprintf (&env, "MAC=%02x:%02x:%02x:%02x:%02x:%02x", |
66 | asprintf (&env, "MAC=%02x:%02x:%02x:%02x:%02x:%02x", |
68 | 0xfe, 0xfd, 0x80, 0x00, THISNODE->id >> 8, |
67 | 0xfe, 0xfd, 0x80, 0x00, THISNODE->id >> 8, |
69 | THISNODE->id & 0xff); |
68 | THISNODE->id & 0xff); |
70 | putenv (env); |
69 | putenv (env); |
71 | |
70 | |
… | |
… | |
99 | sockinfo si (THISNODE, PROT_IPv4); |
98 | sockinfo si (THISNODE, PROT_IPv4); |
100 | |
99 | |
101 | if (bind (ipv4_fd, si.sav4 (), si.salenv4 ())) |
100 | if (bind (ipv4_fd, si.sav4 (), si.salenv4 ())) |
102 | { |
101 | { |
103 | slog (L_ERR, _("can't bind ipv4 socket on %s: %s"), (const char *)si, strerror (errno)); |
102 | slog (L_ERR, _("can't bind ipv4 socket on %s: %s"), (const char *)si, strerror (errno)); |
104 | exit (1); |
103 | exit (EXIT_FAILURE); |
105 | } |
104 | } |
106 | |
105 | |
107 | ipv4_ev_watcher.start (ipv4_fd, POLLIN); |
106 | ipv4_ev_watcher.start (ipv4_fd, EVENT_READ); |
108 | } |
107 | } |
109 | |
108 | |
110 | udpv4_fd = -1; |
109 | udpv4_fd = -1; |
111 | |
110 | |
112 | if (THISNODE->protocols & PROT_UDPv4 && THISNODE->udp_port) |
111 | if (THISNODE->protocols & PROT_UDPv4 && THISNODE->udp_port) |
… | |
… | |
137 | sockinfo si (THISNODE, PROT_UDPv4); |
136 | sockinfo si (THISNODE, PROT_UDPv4); |
138 | |
137 | |
139 | if (bind (udpv4_fd, si.sav4 (), si.salenv4 ())) |
138 | if (bind (udpv4_fd, si.sav4 (), si.salenv4 ())) |
140 | { |
139 | { |
141 | slog (L_ERR, _("can't bind udpv4 on %s: %s"), (const char *)si, strerror (errno)); |
140 | slog (L_ERR, _("can't bind udpv4 on %s: %s"), (const char *)si, strerror (errno)); |
142 | exit (1); |
141 | exit (EXIT_FAILURE); |
143 | } |
142 | } |
144 | |
143 | |
145 | udpv4_ev_watcher.start (udpv4_fd, POLLIN); |
144 | udpv4_ev_watcher.start (udpv4_fd, EVENT_READ); |
146 | } |
145 | } |
147 | |
146 | |
148 | icmpv4_fd = -1; |
147 | icmpv4_fd = -1; |
149 | |
148 | |
150 | #if ENABLE_ICMP |
149 | #if ENABLE_ICMP |
… | |
… | |
181 | sockinfo si (THISNODE, PROT_ICMPv4); |
180 | sockinfo si (THISNODE, PROT_ICMPv4); |
182 | |
181 | |
183 | if (bind (icmpv4_fd, si.sav4 (), si.salenv4 ())) |
182 | if (bind (icmpv4_fd, si.sav4 (), si.salenv4 ())) |
184 | { |
183 | { |
185 | slog (L_ERR, _("can't bind icmpv4 on %s: %s"), (const char *)si, strerror (errno)); |
184 | slog (L_ERR, _("can't bind icmpv4 on %s: %s"), (const char *)si, strerror (errno)); |
186 | exit (1); |
185 | exit (EXIT_FAILURE); |
187 | } |
186 | } |
188 | |
187 | |
189 | icmpv4_ev_watcher.start (icmpv4_fd, POLLIN); |
188 | icmpv4_ev_watcher.start (icmpv4_fd, EVENT_READ); |
190 | } |
189 | } |
191 | #endif |
190 | #endif |
192 | |
191 | |
193 | tcpv4_fd = -1; |
192 | tcpv4_fd = -1; |
194 | |
193 | |
… | |
… | |
211 | sockinfo si (THISNODE, PROT_TCPv4); |
210 | sockinfo si (THISNODE, PROT_TCPv4); |
212 | |
211 | |
213 | if (bind (tcpv4_fd, si.sav4 (), si.salenv4 ())) |
212 | if (bind (tcpv4_fd, si.sav4 (), si.salenv4 ())) |
214 | { |
213 | { |
215 | slog (L_ERR, _("can't bind tcpv4 on %s: %s"), (const char *)si, strerror (errno)); |
214 | slog (L_ERR, _("can't bind tcpv4 on %s: %s"), (const char *)si, strerror (errno)); |
216 | exit (1); |
215 | exit (EXIT_FAILURE); |
217 | } |
216 | } |
218 | |
217 | |
219 | if (listen (tcpv4_fd, 5)) |
218 | if (listen (tcpv4_fd, 5)) |
220 | { |
219 | { |
221 | slog (L_ERR, _("can't listen tcpv4 on %s: %s"), (const char *)si, strerror (errno)); |
220 | slog (L_ERR, _("can't listen tcpv4 on %s: %s"), (const char *)si, strerror (errno)); |
222 | exit (1); |
221 | exit (EXIT_FAILURE); |
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222 | } |
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223 | |
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224 | tcpv4_ev_watcher.start (tcpv4_fd, EVENT_READ); |
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225 | } |
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226 | #endif |
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227 | |
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228 | #if ENABLE_DNS |
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229 | if (THISNODE->protocols & PROT_DNSv4) |
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230 | { |
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231 | dnsv4_fd = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP); |
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232 | |
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233 | if (dnsv4_fd < 0) |
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234 | return -1; |
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235 | |
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236 | // standard daemon practise... |
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237 | { |
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238 | int oval = 1; |
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239 | setsockopt (tcpv4_fd, SOL_SOCKET, SO_REUSEADDR, &oval, sizeof oval); |
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240 | } |
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241 | |
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242 | sockinfo si (THISNODE, PROT_DNSv4); |
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243 | |
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244 | if (bind (dnsv4_fd, si.sav4 (), si.salenv4 ())) |
223 | } |
245 | { |
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246 | slog (L_ERR, _("can't bind dnsv4 on %s: %s"), (const char *)si, strerror (errno)); |
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247 | exit (EXIT_FAILURE); |
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248 | } |
224 | |
249 | |
225 | tcpv4_ev_watcher.start (tcpv4_fd, POLLIN); |
250 | dnsv4_ev_watcher.start (dnsv4_fd, EVENT_READ); |
226 | } |
251 | } |
227 | #endif |
252 | #endif |
228 | |
253 | |
229 | tap = new tap_device (); |
254 | tap = new tap_device (); |
230 | if (!tap) //D this, of course, never catches |
255 | if (!tap) //D this, of course, never catches |
231 | { |
256 | { |
232 | slog (L_ERR, _("cannot create network interface '%s'"), conf.ifname); |
257 | slog (L_ERR, _("cannot create network interface '%s'"), conf.ifname); |
233 | exit (1); |
258 | exit (EXIT_FAILURE); |
234 | } |
259 | } |
235 | |
260 | |
236 | run_script (run_script_cb (this, &vpn::script_if_up), true); |
261 | run_script (run_script_cb (this, &vpn::script_if_up), true); |
237 | |
262 | |
238 | tap_ev_watcher.start (tap->fd, POLLIN); |
263 | tap_ev_watcher.start (tap->fd, EVENT_READ); |
239 | |
264 | |
240 | reconnect_all (); |
265 | reconnect_all (); |
241 | |
266 | |
242 | return 0; |
267 | return 0; |
243 | } |
268 | } |
… | |
… | |
260 | #endif |
285 | #endif |
261 | |
286 | |
262 | #if ENABLE_ICMP |
287 | #if ENABLE_ICMP |
263 | case PROT_ICMPv4: |
288 | case PROT_ICMPv4: |
264 | return send_icmpv4_packet (pkt, si, tos); |
289 | return send_icmpv4_packet (pkt, si, tos); |
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290 | #endif |
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291 | |
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292 | #if ENABLE_DNS |
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293 | case PROT_DNSv4: |
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294 | return send_dnsv4_packet (pkt, si, tos); |
265 | #endif |
295 | #endif |
266 | |
296 | |
267 | default: |
297 | default: |
268 | slog (L_CRIT, _("%s: FATAL: trying to send packet with unsupported protocol"), (const char *)si); |
298 | slog (L_CRIT, _("%s: FATAL: trying to send packet with unsupported protocol"), (const char *)si); |
269 | return false; |
299 | return false; |
… | |
… | |
333 | setsockopt (udpv4_fd, SOL_IP, IP_TOS, &tos, sizeof tos); |
363 | setsockopt (udpv4_fd, SOL_IP, IP_TOS, &tos, sizeof tos); |
334 | #endif |
364 | #endif |
335 | sendto (udpv4_fd, &((*pkt)[0]), pkt->len, 0, si.sav4 (), si.salenv4 ()); |
365 | sendto (udpv4_fd, &((*pkt)[0]), pkt->len, 0, si.sav4 (), si.salenv4 ()); |
336 | |
366 | |
337 | return true; |
367 | return true; |
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368 | } |
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369 | |
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370 | void |
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371 | vpn::inject_data_packet (tap_packet *pkt, int dst) |
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372 | { |
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373 | if (dst) |
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374 | { |
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375 | // unicast |
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376 | if (dst != THISNODE->id) |
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377 | conns[dst - 1]->inject_data_packet (pkt); |
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378 | } |
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379 | else |
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380 | { |
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381 | // broadcast, this is ugly, but due to the security policy |
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382 | // we have to connect to all hosts... |
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383 | for (conns_vector::iterator c = conns.begin (); c != conns.end (); ++c) |
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384 | if ((*c)->conf != THISNODE) |
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385 | (*c)->inject_data_packet (pkt, true); |
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386 | } |
338 | } |
387 | } |
339 | |
388 | |
340 | void |
389 | void |
341 | vpn::recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi) |
390 | vpn::recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi) |
342 | { |
391 | { |
… | |
… | |
359 | connection *c = conns[src - 1]; |
408 | connection *c = conns[src - 1]; |
360 | |
409 | |
361 | if (dst == 0) |
410 | if (dst == 0) |
362 | slog (L_WARN, _("%s(%s): received broadcast (protocol violation)"), |
411 | slog (L_WARN, _("%s(%s): received broadcast (protocol violation)"), |
363 | c->conf->nodename, (const char *)rsi); |
412 | c->conf->nodename, (const char *)rsi); |
364 | else if (dst != 0 && dst != THISNODE->id) |
413 | else if (dst != THISNODE->id) |
365 | { |
414 | { |
366 | if (THISNODE->routerprio) |
415 | if (THISNODE->routerprio) |
367 | // the tos setting gets lost here. who cares. |
416 | // the tos setting gets lost here. who cares. |
368 | conns[dst - 1]->inject_vpn_packet (pkt); |
417 | conns[dst - 1]->inject_vpn_packet (pkt); |
369 | else |
418 | else |
… | |
… | |
378 | } |
427 | } |
379 | |
428 | |
380 | void |
429 | void |
381 | vpn::ipv4_ev (io_watcher &w, short revents) |
430 | vpn::ipv4_ev (io_watcher &w, short revents) |
382 | { |
431 | { |
383 | if (revents & (POLLIN | POLLERR)) |
432 | if (revents & EVENT_READ) |
384 | { |
433 | { |
385 | vpn_packet *pkt = new vpn_packet; |
434 | vpn_packet *pkt = new vpn_packet; |
386 | struct sockaddr_in sa; |
435 | struct sockaddr_in sa; |
387 | socklen_t sa_len = sizeof (sa); |
436 | socklen_t sa_len = sizeof (sa); |
388 | int len; |
437 | int len; |
… | |
… | |
407 | slog (L_DEBUG, _("%s: %s"), (const char *)si, strerror (errno)); |
456 | slog (L_DEBUG, _("%s: %s"), (const char *)si, strerror (errno)); |
408 | } |
457 | } |
409 | |
458 | |
410 | delete pkt; |
459 | delete pkt; |
411 | } |
460 | } |
412 | else if (revents & POLLHUP) |
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413 | { |
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414 | // this cannot ;) happen on udp sockets |
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415 | slog (L_ERR, _("FATAL: POLLHUP on ipv4 fd, terminating.")); |
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416 | exit (1); |
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417 | } |
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418 | else |
461 | else |
419 | { |
462 | { |
420 | slog (L_ERR, |
463 | slog (L_ERR, |
421 | _("FATAL: unknown revents %08x in socket, terminating\n"), |
464 | _("FATAL: unknown revents %08x in socket, terminating\n"), |
422 | revents); |
465 | revents); |
423 | exit (1); |
466 | exit (EXIT_FAILURE); |
424 | } |
467 | } |
425 | } |
468 | } |
426 | |
469 | |
427 | #if ENABLE_ICMP |
470 | #if ENABLE_ICMP |
428 | void |
471 | void |
429 | vpn::icmpv4_ev (io_watcher &w, short revents) |
472 | vpn::icmpv4_ev (io_watcher &w, short revents) |
430 | { |
473 | { |
431 | if (revents & (POLLIN | POLLERR)) |
474 | if (revents & EVENT_READ) |
432 | { |
475 | { |
433 | vpn_packet *pkt = new vpn_packet; |
476 | vpn_packet *pkt = new vpn_packet; |
434 | struct sockaddr_in sa; |
477 | struct sockaddr_in sa; |
435 | socklen_t sa_len = sizeof (sa); |
478 | socklen_t sa_len = sizeof (sa); |
436 | int len; |
479 | int len; |
… | |
… | |
461 | slog (L_DEBUG, _("%s: %s"), (const char *)si, strerror (errno)); |
504 | slog (L_DEBUG, _("%s: %s"), (const char *)si, strerror (errno)); |
462 | } |
505 | } |
463 | |
506 | |
464 | delete pkt; |
507 | delete pkt; |
465 | } |
508 | } |
466 | else if (revents & POLLHUP) |
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467 | { |
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468 | // this cannot ;) happen on udp sockets |
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469 | slog (L_ERR, _("FATAL: POLLHUP on icmpv4 fd, terminating.")); |
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470 | exit (1); |
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471 | } |
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472 | else |
509 | else |
473 | { |
510 | { |
474 | slog (L_ERR, |
511 | slog (L_ERR, |
475 | _("FATAL: unknown revents %08x in socket, terminating\n"), |
512 | _("FATAL: unknown revents %08x in socket, terminating\n"), |
476 | revents); |
513 | revents); |
477 | exit (1); |
514 | exit (EXIT_FAILURE); |
478 | } |
515 | } |
479 | } |
516 | } |
480 | #endif |
517 | #endif |
481 | |
518 | |
482 | void |
519 | void |
483 | vpn::udpv4_ev (io_watcher &w, short revents) |
520 | vpn::udpv4_ev (io_watcher &w, short revents) |
484 | { |
521 | { |
485 | if (revents & (POLLIN | POLLERR)) |
522 | if (revents & EVENT_READ) |
486 | { |
523 | { |
487 | vpn_packet *pkt = new vpn_packet; |
524 | vpn_packet *pkt = new vpn_packet; |
488 | struct sockaddr_in sa; |
525 | struct sockaddr_in sa; |
489 | socklen_t sa_len = sizeof (sa); |
526 | socklen_t sa_len = sizeof (sa); |
490 | int len; |
527 | int len; |
… | |
… | |
505 | slog (L_DEBUG, _("%s: fd %d, %s"), (const char *)si, w.fd, strerror (errno)); |
542 | slog (L_DEBUG, _("%s: fd %d, %s"), (const char *)si, w.fd, strerror (errno)); |
506 | } |
543 | } |
507 | |
544 | |
508 | delete pkt; |
545 | delete pkt; |
509 | } |
546 | } |
510 | else if (revents & POLLHUP) |
|
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511 | { |
|
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512 | // this cannot ;) happen on udp sockets |
|
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513 | slog (L_ERR, _("FATAL: POLLHUP on udp v4 fd, terminating.")); |
|
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514 | exit (1); |
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515 | } |
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516 | else |
547 | else |
517 | { |
548 | { |
518 | slog (L_ERR, |
549 | slog (L_ERR, |
519 | _("FATAL: unknown revents %08x in socket, terminating\n"), |
550 | _("FATAL: unknown revents %08x in socket, terminating\n"), |
520 | revents); |
551 | revents); |
521 | exit (1); |
552 | exit (EXIT_FAILURE); |
522 | } |
553 | } |
523 | } |
554 | } |
524 | |
555 | |
525 | void |
556 | void |
526 | vpn::tap_ev (io_watcher &w, short revents) |
557 | vpn::tap_ev (io_watcher &w, short revents) |
527 | { |
558 | { |
528 | if (revents & POLLIN) |
559 | if (revents & EVENT_READ) |
529 | { |
560 | { |
530 | /* process data */ |
561 | /* process data */ |
531 | tap_packet *pkt; |
562 | tap_packet *pkt; |
532 | |
563 | |
533 | pkt = tap->recv (); |
564 | pkt = tap->recv (); |
534 | |
565 | |
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566 | if (!pkt) |
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567 | return; |
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568 | |
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569 | if (pkt->len > 14) |
|
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570 | { |
535 | int dst = mac2id (pkt->dst); |
571 | int dst = mac2id (pkt->dst); |
536 | int src = mac2id (pkt->src); |
572 | int src = mac2id (pkt->src); |
537 | |
573 | |
538 | if (src != THISNODE->id) |
574 | if (src != THISNODE->id) |
539 | { |
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540 | slog (L_ERR, _("FATAL: tap packet not originating on current node received, exiting.")); |
|
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541 | exit (1); |
|
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542 | } |
|
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543 | |
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544 | if (dst == THISNODE->id) |
|
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545 | { |
|
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546 | slog (L_ERR, _("FATAL: tap packet destined for current node received, exiting.")); |
|
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547 | exit (1); |
|
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548 | } |
|
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549 | |
|
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550 | if (dst > conns.size ()) |
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551 | slog (L_ERR, _("tap packet for unknown node %d received, ignoring."), dst); |
|
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552 | else |
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553 | { |
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554 | if (dst) |
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555 | { |
575 | { |
556 | // unicast |
576 | slog (L_ERR, _("FATAL: tap packet not originating on current node received, exiting.")); |
557 | if (dst != THISNODE->id) |
577 | exit (EXIT_FAILURE); |
558 | conns[dst - 1]->inject_data_packet (pkt); |
|
|
559 | } |
578 | } |
|
|
579 | |
|
|
580 | if (dst == THISNODE->id) |
|
|
581 | { |
|
|
582 | slog (L_ERR, _("FATAL: tap packet destined for current node received, exiting.")); |
|
|
583 | exit (EXIT_FAILURE); |
|
|
584 | } |
|
|
585 | |
|
|
586 | if (dst > conns.size ()) |
|
|
587 | slog (L_ERR, _("tap packet for unknown node %d received, ignoring."), dst); |
560 | else |
588 | else |
561 | { |
|
|
562 | // broadcast, this is ugly, but due to the security policy |
|
|
563 | // we have to connect to all hosts... |
|
|
564 | for (conns_vector::iterator c = conns.begin (); c != conns.end (); ++c) |
|
|
565 | if ((*c)->conf != THISNODE) |
|
|
566 | (*c)->inject_data_packet (pkt); |
589 | inject_data_packet (pkt, dst); |
567 | } |
|
|
568 | } |
590 | } |
569 | |
591 | |
570 | delete pkt; |
592 | delete pkt; |
571 | } |
|
|
572 | else if (revents & (POLLHUP | POLLERR)) |
|
|
573 | { |
|
|
574 | slog (L_ERR, _("FATAL: POLLHUP or POLLERR on network device fd, terminating.")); |
|
|
575 | exit (1); |
|
|
576 | } |
593 | } |
577 | else |
594 | else |
578 | abort (); |
595 | abort (); |
579 | } |
596 | } |
580 | |
597 | |
… | |
… | |
586 | if (events & EVENT_SHUTDOWN) |
603 | if (events & EVENT_SHUTDOWN) |
587 | { |
604 | { |
588 | slog (L_INFO, _("preparing shutdown...")); |
605 | slog (L_INFO, _("preparing shutdown...")); |
589 | |
606 | |
590 | shutdown_all (); |
607 | shutdown_all (); |
591 | |
|
|
592 | remove_pid (pidfilename); |
608 | remove_pid (conf.pidfilename); |
593 | |
|
|
594 | slog (L_INFO, _("terminating")); |
609 | slog (L_INFO, _("terminating")); |
595 | |
610 | exit (EXIT_SUCCESS); |
596 | exit (0); |
|
|
597 | } |
611 | } |
598 | |
612 | |
599 | if (events & EVENT_RECONNECT) |
613 | if (events & EVENT_RECONNECT) |
600 | { |
614 | { |
601 | slog (L_INFO, _("forced reconnect")); |
615 | slog (L_INFO, _("forced reconnect")); |
… | |
… | |
603 | reconnect_all (); |
617 | reconnect_all (); |
604 | } |
618 | } |
605 | |
619 | |
606 | events = 0; |
620 | events = 0; |
607 | } |
621 | } |
608 | |
|
|
609 | w.at = TSTAMP_CANCEL; |
|
|
610 | } |
622 | } |
611 | |
623 | |
612 | void |
624 | void |
613 | vpn::shutdown_all () |
625 | vpn::shutdown_all () |
614 | { |
626 | { |
… | |
… | |
704 | , tcpv4_ev_watcher (this, &vpn::tcpv4_ev) |
716 | , tcpv4_ev_watcher (this, &vpn::tcpv4_ev) |
705 | #endif |
717 | #endif |
706 | #if ENABLE_ICMP |
718 | #if ENABLE_ICMP |
707 | , icmpv4_ev_watcher(this, &vpn::icmpv4_ev) |
719 | , icmpv4_ev_watcher(this, &vpn::icmpv4_ev) |
708 | #endif |
720 | #endif |
|
|
721 | #if ENABLE_DNS |
|
|
722 | , dnsv4_ev_watcher (this, &vpn::dnsv4_ev) |
|
|
723 | #endif |
709 | , tap_ev_watcher (this, &vpn::tap_ev) |
724 | , tap_ev_watcher (this, &vpn::tap_ev) |
710 | { |
725 | { |
711 | } |
726 | } |
712 | |
727 | |
713 | vpn::~vpn () |
728 | vpn::~vpn () |