1 | /* |
1 | /* |
2 | vpn.C -- handle the protocol, encryption, handshaking etc. |
2 | vpn.C -- handle the protocol, encryption, handshaking etc. |
3 | Copyright (C) 2003 Marc Lehmann <pcg@goof.com> |
3 | Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de> |
4 | |
4 | |
|
|
5 | This file is part of GVPE. |
|
|
6 | |
5 | This program is free software; you can redistribute it and/or modify |
7 | GVPE is free software; you can redistribute it and/or modify |
6 | it under the terms of the GNU General Public License as published by |
8 | it under the terms of the GNU General Public License as published by |
7 | the Free Software Foundation; either version 2 of the License, or |
9 | the Free Software Foundation; either version 2 of the License, or |
8 | (at your option) any later version. |
10 | (at your option) any later version. |
9 | |
11 | |
10 | This program is distributed in the hope that it will be useful, |
12 | This program is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | GNU General Public License for more details. |
15 | GNU General Public License for more details. |
14 | |
16 | |
15 | You should have received a copy of the GNU General Public License |
17 | You should have received a copy of the GNU General Public License |
16 | along with this program; if not, write to the Free Software |
18 | along with gvpe; if not, write to the Free Software |
17 | Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
19 | Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
18 | */ |
20 | */ |
19 | |
21 | |
20 | #include "config.h" |
22 | #include "config.h" |
21 | |
23 | |
22 | #include <list> |
24 | #include <list> |
23 | |
25 | |
|
|
26 | #include <cstdio> |
|
|
27 | #include <cstring> |
24 | #include <cstdlib> |
28 | #include <cstdlib> |
25 | #include <cstring> |
|
|
26 | #include <cstdio> |
|
|
27 | |
29 | |
28 | #include <sys/types.h> |
30 | #include <sys/types.h> |
29 | #include <sys/socket.h> |
31 | #include <sys/socket.h> |
30 | #include <sys/wait.h> |
32 | #include <sys/wait.h> |
31 | #include <errno.h> |
33 | #include <errno.h> |
… | |
… | |
54 | mtu += ETH_OVERHEAD - 6 - 6; // now we have the data portion |
56 | mtu += ETH_OVERHEAD - 6 - 6; // now we have the data portion |
55 | mtu -= mtu % EVP_CIPHER_block_size (CIPHER); // round |
57 | mtu -= mtu % EVP_CIPHER_block_size (CIPHER); // round |
56 | mtu -= ETH_OVERHEAD - 6 - 6; // and get interface mtu again |
58 | mtu -= ETH_OVERHEAD - 6 - 6; // and get interface mtu again |
57 | |
59 | |
58 | char *env; |
60 | char *env; |
59 | asprintf (&env, "CONFBASE=%s", confbase); |
61 | asprintf (&env, "CONFBASE=%s", confbase); putenv (env); |
60 | putenv (env); |
|
|
61 | asprintf (&env, "NODENAME=%s", THISNODE->nodename); |
62 | asprintf (&env, "NODENAME=%s", THISNODE->nodename); putenv (env); |
62 | putenv (env); |
|
|
63 | asprintf (&env, "NODEID=%d", THISNODE->id); |
63 | asprintf (&env, "NODEID=%d", THISNODE->id); putenv (env); |
64 | putenv (env); |
|
|
65 | asprintf (&env, "IFNAME=%s", tap->interface ()); |
64 | asprintf (&env, "IFNAME=%s", tap->interface ()); putenv (env); |
66 | putenv (env); |
65 | asprintf (&env, "IFTYPE=%s", IFTYPE); putenv (env); |
|
|
66 | asprintf (&env, "IFSUBTYPE=%s", IFSUBTYPE); putenv (env); |
67 | asprintf (&env, "MTU=%d", mtu); |
67 | asprintf (&env, "MTU=%d", mtu); putenv (env); |
68 | putenv (env); |
|
|
69 | asprintf (&env, "MAC=%02x:%02x:%02x:%02x:%02x:%02x", |
68 | asprintf (&env, "MAC=%02x:%02x:%02x:%02x:%02x:%02x", |
70 | 0xfe, 0xfd, 0x80, 0x00, THISNODE->id >> 8, |
69 | 0xfe, 0xfd, 0x80, 0x00, THISNODE->id >> 8, |
71 | THISNODE->id & 0xff); |
70 | THISNODE->id & 0xff); |
72 | putenv (env); |
71 | putenv (env); |
73 | |
72 | |
… | |
… | |
101 | sockinfo si (THISNODE, PROT_IPv4); |
100 | sockinfo si (THISNODE, PROT_IPv4); |
102 | |
101 | |
103 | if (bind (ipv4_fd, si.sav4 (), si.salenv4 ())) |
102 | if (bind (ipv4_fd, si.sav4 (), si.salenv4 ())) |
104 | { |
103 | { |
105 | slog (L_ERR, _("can't bind ipv4 socket on %s: %s"), (const char *)si, strerror (errno)); |
104 | slog (L_ERR, _("can't bind ipv4 socket on %s: %s"), (const char *)si, strerror (errno)); |
106 | exit (1); |
105 | exit (EXIT_FAILURE); |
107 | } |
106 | } |
108 | |
107 | |
109 | ipv4_ev_watcher.start (ipv4_fd, POLLIN); |
108 | ipv4_ev_watcher.start (ipv4_fd, EVENT_READ); |
110 | } |
109 | } |
111 | |
110 | |
112 | udpv4_fd = -1; |
111 | udpv4_fd = -1; |
113 | |
112 | |
114 | if (THISNODE->protocols & PROT_UDPv4 && THISNODE->udp_port) |
113 | if (THISNODE->protocols & PROT_UDPv4 && THISNODE->udp_port) |
… | |
… | |
139 | sockinfo si (THISNODE, PROT_UDPv4); |
138 | sockinfo si (THISNODE, PROT_UDPv4); |
140 | |
139 | |
141 | if (bind (udpv4_fd, si.sav4 (), si.salenv4 ())) |
140 | if (bind (udpv4_fd, si.sav4 (), si.salenv4 ())) |
142 | { |
141 | { |
143 | slog (L_ERR, _("can't bind udpv4 on %s: %s"), (const char *)si, strerror (errno)); |
142 | slog (L_ERR, _("can't bind udpv4 on %s: %s"), (const char *)si, strerror (errno)); |
144 | exit (1); |
143 | exit (EXIT_FAILURE); |
145 | } |
144 | } |
146 | |
145 | |
147 | udpv4_ev_watcher.start (udpv4_fd, POLLIN); |
146 | udpv4_ev_watcher.start (udpv4_fd, EVENT_READ); |
148 | } |
147 | } |
149 | |
148 | |
150 | icmpv4_fd = -1; |
149 | icmpv4_fd = -1; |
151 | |
150 | |
152 | #if ENABLE_ICMP |
151 | #if ENABLE_ICMP |
… | |
… | |
183 | sockinfo si (THISNODE, PROT_ICMPv4); |
182 | sockinfo si (THISNODE, PROT_ICMPv4); |
184 | |
183 | |
185 | if (bind (icmpv4_fd, si.sav4 (), si.salenv4 ())) |
184 | if (bind (icmpv4_fd, si.sav4 (), si.salenv4 ())) |
186 | { |
185 | { |
187 | slog (L_ERR, _("can't bind icmpv4 on %s: %s"), (const char *)si, strerror (errno)); |
186 | slog (L_ERR, _("can't bind icmpv4 on %s: %s"), (const char *)si, strerror (errno)); |
188 | exit (1); |
187 | exit (EXIT_FAILURE); |
189 | } |
188 | } |
190 | |
189 | |
191 | icmpv4_ev_watcher.start (icmpv4_fd, POLLIN); |
190 | icmpv4_ev_watcher.start (icmpv4_fd, EVENT_READ); |
192 | } |
191 | } |
193 | #endif |
192 | #endif |
194 | |
193 | |
195 | tcpv4_fd = -1; |
194 | tcpv4_fd = -1; |
196 | |
195 | |
… | |
… | |
213 | sockinfo si (THISNODE, PROT_TCPv4); |
212 | sockinfo si (THISNODE, PROT_TCPv4); |
214 | |
213 | |
215 | if (bind (tcpv4_fd, si.sav4 (), si.salenv4 ())) |
214 | if (bind (tcpv4_fd, si.sav4 (), si.salenv4 ())) |
216 | { |
215 | { |
217 | slog (L_ERR, _("can't bind tcpv4 on %s: %s"), (const char *)si, strerror (errno)); |
216 | slog (L_ERR, _("can't bind tcpv4 on %s: %s"), (const char *)si, strerror (errno)); |
218 | exit (1); |
217 | exit (EXIT_FAILURE); |
219 | } |
218 | } |
220 | |
219 | |
221 | if (listen (tcpv4_fd, 5)) |
220 | if (listen (tcpv4_fd, 5)) |
222 | { |
221 | { |
223 | slog (L_ERR, _("can't listen tcpv4 on %s: %s"), (const char *)si, strerror (errno)); |
222 | slog (L_ERR, _("can't listen tcpv4 on %s: %s"), (const char *)si, strerror (errno)); |
224 | exit (1); |
223 | exit (EXIT_FAILURE); |
|
|
224 | } |
|
|
225 | |
|
|
226 | tcpv4_ev_watcher.start (tcpv4_fd, EVENT_READ); |
|
|
227 | } |
|
|
228 | #endif |
|
|
229 | |
|
|
230 | #if ENABLE_DNS |
|
|
231 | if (THISNODE->protocols & PROT_DNSv4) |
|
|
232 | { |
|
|
233 | dns_forwarder.set (::conf.dns_forw_host, ::conf.dns_forw_port, PROT_DNSv4); |
|
|
234 | |
|
|
235 | dnsv4_fd = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP); |
|
|
236 | |
|
|
237 | if (dnsv4_fd < 0) |
|
|
238 | return -1; |
|
|
239 | |
|
|
240 | // standard daemon practise... |
|
|
241 | { |
|
|
242 | int oval = 1; |
|
|
243 | setsockopt (tcpv4_fd, SOL_SOCKET, SO_REUSEADDR, &oval, sizeof oval); |
|
|
244 | } |
|
|
245 | |
|
|
246 | sockinfo si (THISNODE, PROT_DNSv4); |
|
|
247 | |
|
|
248 | if (bind (dnsv4_fd, si.sav4 (), si.salenv4 ())) |
225 | } |
249 | { |
|
|
250 | slog (L_ERR, _("can't bind dnsv4 on %s: %s"), (const char *)si, strerror (errno)); |
|
|
251 | exit (EXIT_FAILURE); |
|
|
252 | } |
226 | |
253 | |
227 | tcpv4_ev_watcher.start (tcpv4_fd, POLLIN); |
254 | dnsv4_ev_watcher.start (dnsv4_fd, EVENT_READ); |
228 | } |
255 | } |
229 | #endif |
256 | #endif |
230 | |
257 | |
231 | tap = new tap_device (); |
258 | tap = new tap_device (); |
232 | if (!tap) //D this, of course, never catches |
259 | if (!tap) //D this, of course, never catches |
233 | { |
260 | { |
234 | slog (L_ERR, _("cannot create network interface '%s'"), conf.ifname); |
261 | slog (L_ERR, _("cannot create network interface '%s'"), conf.ifname); |
235 | exit (1); |
262 | exit (EXIT_FAILURE); |
236 | } |
263 | } |
237 | |
264 | |
238 | run_script (run_script_cb (this, &vpn::script_if_up), true); |
265 | run_script (run_script_cb (this, &vpn::script_if_up), true); |
239 | |
266 | |
240 | tap_ev_watcher.start (tap->fd, POLLIN); |
267 | tap_ev_watcher.start (tap->fd, EVENT_READ); |
241 | |
268 | |
242 | reconnect_all (); |
269 | reconnect_all (); |
243 | |
270 | |
244 | return 0; |
271 | return 0; |
245 | } |
|
|
246 | |
|
|
247 | // send a vpn packet out to other hosts |
|
|
248 | bool |
|
|
249 | vpn::send_vpn_packet (vpn_packet *pkt, const sockinfo &si, int tos) |
|
|
250 | { |
|
|
251 | switch (si.prot) |
|
|
252 | { |
|
|
253 | case PROT_IPv4: |
|
|
254 | return send_ipv4_packet (pkt, si, tos); |
|
|
255 | |
|
|
256 | case PROT_UDPv4: |
|
|
257 | return send_udpv4_packet (pkt, si, tos); |
|
|
258 | |
|
|
259 | #if ENABLE_TCP |
|
|
260 | case PROT_TCPv4: |
|
|
261 | return send_tcpv4_packet (pkt, si, tos); |
|
|
262 | #endif |
|
|
263 | |
|
|
264 | #if ENABLE_ICMP |
|
|
265 | case PROT_ICMPv4: |
|
|
266 | return send_icmpv4_packet (pkt, si, tos); |
|
|
267 | #endif |
|
|
268 | |
|
|
269 | default: |
|
|
270 | slog (L_CRIT, _("%s: FATAL: trying to send packet with unsupported protocol"), (const char *)si); |
|
|
271 | return false; |
|
|
272 | } |
|
|
273 | } |
272 | } |
274 | |
273 | |
275 | bool |
274 | bool |
276 | vpn::send_ipv4_packet (vpn_packet *pkt, const sockinfo &si, int tos) |
275 | vpn::send_ipv4_packet (vpn_packet *pkt, const sockinfo &si, int tos) |
277 | { |
276 | { |
… | |
… | |
399 | } |
398 | } |
400 | |
399 | |
401 | void |
400 | void |
402 | vpn::ipv4_ev (io_watcher &w, short revents) |
401 | vpn::ipv4_ev (io_watcher &w, short revents) |
403 | { |
402 | { |
404 | if (revents & (POLLIN | POLLERR)) |
403 | if (revents & EVENT_READ) |
405 | { |
404 | { |
406 | vpn_packet *pkt = new vpn_packet; |
405 | vpn_packet *pkt = new vpn_packet; |
407 | struct sockaddr_in sa; |
406 | struct sockaddr_in sa; |
408 | socklen_t sa_len = sizeof (sa); |
407 | socklen_t sa_len = sizeof (sa); |
409 | int len; |
408 | int len; |
… | |
… | |
428 | slog (L_DEBUG, _("%s: %s"), (const char *)si, strerror (errno)); |
427 | slog (L_DEBUG, _("%s: %s"), (const char *)si, strerror (errno)); |
429 | } |
428 | } |
430 | |
429 | |
431 | delete pkt; |
430 | delete pkt; |
432 | } |
431 | } |
433 | else if (revents & POLLHUP) |
|
|
434 | { |
|
|
435 | // this cannot ;) happen on udp sockets |
|
|
436 | slog (L_ERR, _("FATAL: POLLHUP on ipv4 fd, terminating.")); |
|
|
437 | exit (1); |
|
|
438 | } |
|
|
439 | else |
432 | else |
440 | { |
433 | { |
441 | slog (L_ERR, |
434 | slog (L_ERR, |
442 | _("FATAL: unknown revents %08x in socket, terminating\n"), |
435 | _("FATAL: unknown revents %08x in socket, terminating\n"), |
443 | revents); |
436 | revents); |
444 | exit (1); |
437 | exit (EXIT_FAILURE); |
445 | } |
438 | } |
446 | } |
439 | } |
447 | |
440 | |
448 | #if ENABLE_ICMP |
441 | #if ENABLE_ICMP |
449 | void |
442 | void |
450 | vpn::icmpv4_ev (io_watcher &w, short revents) |
443 | vpn::icmpv4_ev (io_watcher &w, short revents) |
451 | { |
444 | { |
452 | if (revents & (POLLIN | POLLERR)) |
445 | if (revents & EVENT_READ) |
453 | { |
446 | { |
454 | vpn_packet *pkt = new vpn_packet; |
447 | vpn_packet *pkt = new vpn_packet; |
455 | struct sockaddr_in sa; |
448 | struct sockaddr_in sa; |
456 | socklen_t sa_len = sizeof (sa); |
449 | socklen_t sa_len = sizeof (sa); |
457 | int len; |
450 | int len; |
… | |
… | |
482 | slog (L_DEBUG, _("%s: %s"), (const char *)si, strerror (errno)); |
475 | slog (L_DEBUG, _("%s: %s"), (const char *)si, strerror (errno)); |
483 | } |
476 | } |
484 | |
477 | |
485 | delete pkt; |
478 | delete pkt; |
486 | } |
479 | } |
487 | else if (revents & POLLHUP) |
|
|
488 | { |
|
|
489 | // this cannot ;) happen on udp sockets |
|
|
490 | slog (L_ERR, _("FATAL: POLLHUP on icmpv4 fd, terminating.")); |
|
|
491 | exit (1); |
|
|
492 | } |
|
|
493 | else |
480 | else |
494 | { |
481 | { |
495 | slog (L_ERR, |
482 | slog (L_ERR, |
496 | _("FATAL: unknown revents %08x in socket, terminating\n"), |
483 | _("FATAL: unknown revents %08x in socket, terminating\n"), |
497 | revents); |
484 | revents); |
498 | exit (1); |
485 | exit (EXIT_FAILURE); |
499 | } |
486 | } |
500 | } |
487 | } |
501 | #endif |
488 | #endif |
502 | |
489 | |
503 | void |
490 | void |
504 | vpn::udpv4_ev (io_watcher &w, short revents) |
491 | vpn::udpv4_ev (io_watcher &w, short revents) |
505 | { |
492 | { |
506 | if (revents & (POLLIN | POLLERR)) |
493 | if (revents & EVENT_READ) |
507 | { |
494 | { |
508 | vpn_packet *pkt = new vpn_packet; |
495 | vpn_packet *pkt = new vpn_packet; |
509 | struct sockaddr_in sa; |
496 | struct sockaddr_in sa; |
510 | socklen_t sa_len = sizeof (sa); |
497 | socklen_t sa_len = sizeof (sa); |
511 | int len; |
498 | int len; |
… | |
… | |
526 | slog (L_DEBUG, _("%s: fd %d, %s"), (const char *)si, w.fd, strerror (errno)); |
513 | slog (L_DEBUG, _("%s: fd %d, %s"), (const char *)si, w.fd, strerror (errno)); |
527 | } |
514 | } |
528 | |
515 | |
529 | delete pkt; |
516 | delete pkt; |
530 | } |
517 | } |
531 | else if (revents & POLLHUP) |
|
|
532 | { |
|
|
533 | // this cannot ;) happen on udp sockets |
|
|
534 | slog (L_ERR, _("FATAL: POLLHUP on udp v4 fd, terminating.")); |
|
|
535 | exit (1); |
|
|
536 | } |
|
|
537 | else |
518 | else |
538 | { |
519 | { |
539 | slog (L_ERR, |
520 | slog (L_ERR, |
540 | _("FATAL: unknown revents %08x in socket, terminating\n"), |
521 | _("FATAL: unknown revents %08x in socket, terminating\n"), |
541 | revents); |
522 | revents); |
542 | exit (1); |
523 | exit (EXIT_FAILURE); |
543 | } |
524 | } |
544 | } |
525 | } |
545 | |
526 | |
546 | void |
527 | void |
547 | vpn::tap_ev (io_watcher &w, short revents) |
528 | vpn::tap_ev (io_watcher &w, short revents) |
548 | { |
529 | { |
549 | if (revents & POLLIN) |
530 | if (revents & EVENT_READ) |
550 | { |
531 | { |
551 | /* process data */ |
532 | /* process data */ |
552 | tap_packet *pkt; |
533 | tap_packet *pkt; |
553 | |
534 | |
554 | pkt = tap->recv (); |
535 | pkt = tap->recv (); |
… | |
… | |
562 | int src = mac2id (pkt->src); |
543 | int src = mac2id (pkt->src); |
563 | |
544 | |
564 | if (src != THISNODE->id) |
545 | if (src != THISNODE->id) |
565 | { |
546 | { |
566 | slog (L_ERR, _("FATAL: tap packet not originating on current node received, exiting.")); |
547 | slog (L_ERR, _("FATAL: tap packet not originating on current node received, exiting.")); |
567 | exit (1); |
548 | exit (EXIT_FAILURE); |
568 | } |
549 | } |
569 | |
550 | |
570 | if (dst == THISNODE->id) |
551 | if (dst == THISNODE->id) |
571 | { |
552 | { |
572 | slog (L_ERR, _("FATAL: tap packet destined for current node received, exiting.")); |
553 | slog (L_ERR, _("FATAL: tap packet destined for current node received, exiting.")); |
573 | exit (1); |
554 | exit (EXIT_FAILURE); |
574 | } |
555 | } |
575 | |
556 | |
576 | if (dst > conns.size ()) |
557 | if (dst > conns.size ()) |
577 | slog (L_ERR, _("tap packet for unknown node %d received, ignoring."), dst); |
558 | slog (L_ERR, _("tap packet for unknown node %d received, ignoring."), dst); |
578 | else |
559 | else |
579 | inject_data_packet (pkt, dst); |
560 | inject_data_packet (pkt, dst); |
580 | } |
561 | } |
581 | |
562 | |
582 | delete pkt; |
563 | delete pkt; |
583 | } |
564 | } |
584 | else if (revents & (POLLHUP | POLLERR)) |
|
|
585 | { |
|
|
586 | slog (L_ERR, _("FATAL: POLLHUP or POLLERR on network device fd, terminating.")); |
|
|
587 | exit (1); |
|
|
588 | } |
|
|
589 | else |
565 | else |
590 | abort (); |
566 | abort (); |
591 | } |
567 | } |
592 | |
568 | |
593 | void |
569 | void |
… | |
… | |
598 | if (events & EVENT_SHUTDOWN) |
574 | if (events & EVENT_SHUTDOWN) |
599 | { |
575 | { |
600 | slog (L_INFO, _("preparing shutdown...")); |
576 | slog (L_INFO, _("preparing shutdown...")); |
601 | |
577 | |
602 | shutdown_all (); |
578 | shutdown_all (); |
603 | |
|
|
604 | remove_pid (pidfilename); |
579 | remove_pid (conf.pidfilename); |
605 | |
|
|
606 | slog (L_INFO, _("terminating")); |
580 | slog (L_INFO, _("terminating")); |
607 | |
581 | exit (EXIT_SUCCESS); |
608 | exit (0); |
|
|
609 | } |
582 | } |
610 | |
583 | |
611 | if (events & EVENT_RECONNECT) |
584 | if (events & EVENT_RECONNECT) |
612 | { |
585 | { |
613 | slog (L_INFO, _("forced reconnect")); |
586 | slog (L_INFO, _("forced reconnect")); |
… | |
… | |
615 | reconnect_all (); |
588 | reconnect_all (); |
616 | } |
589 | } |
617 | |
590 | |
618 | events = 0; |
591 | events = 0; |
619 | } |
592 | } |
620 | |
|
|
621 | w.at = TSTAMP_CANCEL; |
|
|
622 | } |
593 | } |
623 | |
594 | |
624 | void |
595 | void |
625 | vpn::shutdown_all () |
596 | vpn::shutdown_all () |
626 | { |
597 | { |
… | |
… | |
639 | connection_init (); |
610 | connection_init (); |
640 | |
611 | |
641 | for (configuration::node_vector::iterator i = conf.nodes.begin (); |
612 | for (configuration::node_vector::iterator i = conf.nodes.begin (); |
642 | i != conf.nodes.end (); ++i) |
613 | i != conf.nodes.end (); ++i) |
643 | { |
614 | { |
644 | connection *conn = new connection (this); |
615 | connection *conn = new connection (this, *i); |
645 | |
|
|
646 | conn->conf = *i; |
|
|
647 | conns.push_back (conn); |
616 | conns.push_back (conn); |
648 | |
|
|
649 | conn->establish_connection (); |
617 | conn->establish_connection (); |
650 | } |
618 | } |
651 | } |
619 | } |
652 | |
620 | |
653 | connection *vpn::find_router () |
621 | connection *vpn::find_router () |
… | |
… | |
716 | , tcpv4_ev_watcher (this, &vpn::tcpv4_ev) |
684 | , tcpv4_ev_watcher (this, &vpn::tcpv4_ev) |
717 | #endif |
685 | #endif |
718 | #if ENABLE_ICMP |
686 | #if ENABLE_ICMP |
719 | , icmpv4_ev_watcher(this, &vpn::icmpv4_ev) |
687 | , icmpv4_ev_watcher(this, &vpn::icmpv4_ev) |
720 | #endif |
688 | #endif |
|
|
689 | #if ENABLE_DNS |
|
|
690 | , dnsv4_ev_watcher (this, &vpn::dnsv4_ev) |
|
|
691 | #endif |
721 | , tap_ev_watcher (this, &vpn::tap_ev) |
692 | , tap_ev_watcher (this, &vpn::tap_ev) |
722 | { |
693 | { |
723 | } |
694 | } |
724 | |
695 | |
725 | vpn::~vpn () |
696 | vpn::~vpn () |