1 | /* |
1 | /* |
2 | vpn.C -- handle the protocol, encryption, handshaking etc. |
2 | vpn.C -- handle the protocol, encryption, handshaking etc. |
3 | Copyright (C) 2003-2007 Marc Lehmann <gvpe@schmorp.de> |
3 | Copyright (C) 2003-2008 Marc Lehmann <gvpe@schmorp.de> |
4 | |
4 | |
5 | This file is part of GVPE. |
5 | This file is part of GVPE. |
6 | |
6 | |
7 | GVPE is free software; you can redistribute it and/or modify |
7 | GVPE is free software; you can redistribute it and/or modify it |
8 | it under the terms of the GNU General Public License as published by |
8 | under the terms of the GNU General Public License as published by the |
9 | the Free Software Foundation; either version 2 of the License, or |
9 | Free Software Foundation; either version 3 of the License, or (at your |
10 | (at your option) any later version. |
10 | option) any later version. |
11 | |
11 | |
12 | 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, but |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
15 | GNU General Public License for more details. |
15 | Public License for more details. |
16 | |
16 | |
17 | 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 along |
18 | along with gvpe; if not, write to the Free Software |
18 | with this program; if not, see <http://www.gnu.org/licenses/>. |
19 | Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
19 | |
|
|
20 | Additional permission under GNU GPL version 3 section 7 |
|
|
21 | |
|
|
22 | If you modify this Program, or any covered work, by linking or |
|
|
23 | combining it with the OpenSSL project's OpenSSL library (or a modified |
|
|
24 | version of that library), containing parts covered by the terms of the |
|
|
25 | OpenSSL or SSLeay licenses, the licensors of this Program grant you |
|
|
26 | additional permission to convey the resulting work. Corresponding |
|
|
27 | Source for a non-source form of such a combination shall include the |
|
|
28 | source code for the parts of OpenSSL used as well as that of the |
|
|
29 | covered work. |
20 | */ |
30 | */ |
21 | |
31 | |
22 | #include "config.h" |
32 | #include "config.h" |
23 | |
33 | |
24 | #include <list> |
34 | #include <list> |
… | |
… | |
139 | |
149 | |
140 | sockinfo si (THISNODE, PROT_IPv4); |
150 | sockinfo si (THISNODE, PROT_IPv4); |
141 | |
151 | |
142 | if (bind (ipv4_fd, si.sav4 (), si.salenv4 ())) |
152 | if (bind (ipv4_fd, si.sav4 (), si.salenv4 ())) |
143 | { |
153 | { |
144 | slog (L_ERR, _("can't bind ipv4 socket on %s: %s"), (const char *)si, strerror (errno)); |
154 | slog (L_ERR, _("can't bind ipv4 socket on %s: %s, exiting."), (const char *)si, strerror (errno)); |
145 | exit (EXIT_FAILURE); |
155 | exit (EXIT_FAILURE); |
146 | } |
156 | } |
147 | |
157 | |
148 | ipv4_ev_watcher.start (ipv4_fd, EV_READ); |
158 | ipv4_ev_watcher.start (ipv4_fd, EV_READ); |
149 | } |
159 | } |
… | |
… | |
179 | |
189 | |
180 | sockinfo si (THISNODE, PROT_UDPv4); |
190 | sockinfo si (THISNODE, PROT_UDPv4); |
181 | |
191 | |
182 | if (bind (udpv4_fd, si.sav4 (), si.salenv4 ())) |
192 | if (bind (udpv4_fd, si.sav4 (), si.salenv4 ())) |
183 | { |
193 | { |
184 | slog (L_ERR, _("can't bind udpv4 on %s: %s"), (const char *)si, strerror (errno)); |
194 | slog (L_ERR, _("can't bind udpv4 on %s: %s, exiting."), (const char *)si, strerror (errno)); |
185 | exit (EXIT_FAILURE); |
195 | exit (EXIT_FAILURE); |
186 | } |
196 | } |
187 | |
197 | |
188 | udpv4_ev_watcher.start (udpv4_fd, EV_READ); |
198 | udpv4_ev_watcher.start (udpv4_fd, EV_READ); |
189 | } |
199 | } |
… | |
… | |
225 | |
235 | |
226 | sockinfo si (THISNODE, PROT_ICMPv4); |
236 | sockinfo si (THISNODE, PROT_ICMPv4); |
227 | |
237 | |
228 | if (bind (icmpv4_fd, si.sav4 (), si.salenv4 ())) |
238 | if (bind (icmpv4_fd, si.sav4 (), si.salenv4 ())) |
229 | { |
239 | { |
230 | slog (L_ERR, _("can't bind icmpv4 on %s: %s"), (const char *)si, strerror (errno)); |
240 | slog (L_ERR, _("can't bind icmpv4 on %s: %s, exiting."), (const char *)si, strerror (errno)); |
231 | exit (EXIT_FAILURE); |
241 | exit (EXIT_FAILURE); |
232 | } |
242 | } |
233 | |
243 | |
234 | icmpv4_ev_watcher.start (icmpv4_fd, EV_READ); |
244 | icmpv4_ev_watcher.start (icmpv4_fd, EV_READ); |
235 | } |
245 | } |
… | |
… | |
256 | |
266 | |
257 | sockinfo si (THISNODE, PROT_TCPv4); |
267 | sockinfo si (THISNODE, PROT_TCPv4); |
258 | |
268 | |
259 | if (bind (tcpv4_fd, si.sav4 (), si.salenv4 ())) |
269 | if (bind (tcpv4_fd, si.sav4 (), si.salenv4 ())) |
260 | { |
270 | { |
261 | slog (L_ERR, _("can't bind tcpv4 on %s: %s"), (const char *)si, strerror (errno)); |
271 | slog (L_ERR, _("can't bind tcpv4 on %s: %s, exiting."), (const char *)si, strerror (errno)); |
262 | exit (EXIT_FAILURE); |
272 | exit (EXIT_FAILURE); |
263 | } |
273 | } |
264 | |
274 | |
265 | if (listen (tcpv4_fd, 5)) |
275 | if (listen (tcpv4_fd, 5)) |
266 | { |
276 | { |
267 | slog (L_ERR, _("can't listen tcpv4 on %s: %s"), (const char *)si, strerror (errno)); |
277 | slog (L_ERR, _("can't listen tcpv4 on %s: %s, exiting."), (const char *)si, strerror (errno)); |
268 | exit (EXIT_FAILURE); |
278 | exit (EXIT_FAILURE); |
269 | } |
279 | } |
270 | |
280 | |
271 | tcpv4_ev_watcher.start (tcpv4_fd, EV_READ); |
281 | tcpv4_ev_watcher.start (tcpv4_fd, EV_READ); |
272 | } |
282 | } |
… | |
… | |
308 | THISNODE->dns_hostname ? THISNODE->dns_port : 0, |
318 | THISNODE->dns_hostname ? THISNODE->dns_port : 0, |
309 | PROT_DNSv4); |
319 | PROT_DNSv4); |
310 | |
320 | |
311 | if (bind (dnsv4_fd, si.sav4 (), si.salenv4 ())) |
321 | if (bind (dnsv4_fd, si.sav4 (), si.salenv4 ())) |
312 | { |
322 | { |
313 | slog (L_ERR, _("can't bind dnsv4 on %s: %s"), (const char *)si, strerror (errno)); |
323 | slog (L_ERR, _("can't bind dnsv4 on %s: %s, exiting."), (const char *)si, strerror (errno)); |
314 | exit (EXIT_FAILURE); |
324 | exit (EXIT_FAILURE); |
315 | } |
325 | } |
316 | |
326 | |
317 | dnsv4_ev_watcher.start (dnsv4_fd, EV_READ); |
327 | dnsv4_ev_watcher.start (dnsv4_fd, EV_READ); |
318 | } |
328 | } |
… | |
… | |
325 | ///////////////////////////////////////////////////////////////////////////// |
335 | ///////////////////////////////////////////////////////////////////////////// |
326 | |
336 | |
327 | tap = new tap_device (); |
337 | tap = new tap_device (); |
328 | if (!tap) //D this, of course, never catches |
338 | if (!tap) //D this, of course, never catches |
329 | { |
339 | { |
330 | slog (L_ERR, _("cannot create network interface '%s'"), conf.ifname); |
340 | slog (L_ERR, _("cannot create network interface '%s', exiting."), conf.ifname); |
331 | exit (EXIT_FAILURE); |
341 | exit (EXIT_FAILURE); |
332 | } |
342 | } |
333 | |
343 | |
334 | fcntl (tap->fd, F_SETFD, FD_CLOEXEC); |
344 | fcntl (tap->fd, F_SETFD, FD_CLOEXEC); |
335 | |
345 | |
… | |
… | |
439 | vpn::recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi) |
449 | vpn::recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi) |
440 | { |
450 | { |
441 | unsigned int src = pkt->src (); |
451 | unsigned int src = pkt->src (); |
442 | unsigned int dst = pkt->dst (); |
452 | unsigned int dst = pkt->dst (); |
443 | |
453 | |
444 | slog (L_NOISE, _("<<?/%s received possible vpn packet type %d from %d to %d, length %d"), |
454 | slog (L_NOISE, _("<<?/%s received possible vpn packet type %d from %d to %d, length %d."), |
445 | (const char *)rsi, pkt->typ (), pkt->src (), pkt->dst (), pkt->len); |
455 | (const char *)rsi, pkt->typ (), pkt->src (), pkt->dst (), pkt->len); |
446 | |
456 | |
447 | if (src == 0 || src > conns.size () |
457 | if (src == 0 || src > conns.size () |
448 | || dst > conns.size () |
458 | || dst > conns.size () |
449 | || pkt->typ () >= vpn_packet::PT_MAX) |
459 | || pkt->typ () >= vpn_packet::PT_MAX) |
450 | slog (L_WARN, _("(%s): received corrupted packet type %d (src %d, dst %d)"), |
460 | slog (L_WARN, _("(%s): received corrupted packet type %d (src %d, dst %d)."), |
451 | (const char *)rsi, pkt->typ (), pkt->src (), pkt->dst ()); |
461 | (const char *)rsi, pkt->typ (), pkt->src (), pkt->dst ()); |
452 | else if (dst > conns.size ()) |
462 | else if (dst > conns.size ()) |
453 | slog (L_WARN, _("(%s): received corrupted packet type %d (src %d, dst %d)"), |
463 | slog (L_WARN, _("(%s): received corrupted packet type %d (src %d, dst %d)."), |
454 | (const char *)rsi, pkt->typ (), pkt->src (), pkt->dst ()); |
464 | (const char *)rsi, pkt->typ (), pkt->src (), pkt->dst ()); |
455 | else |
465 | else |
456 | { |
466 | { |
457 | connection *c = conns[src - 1]; |
467 | connection *c = conns[src - 1]; |
458 | |
468 | |
459 | if (dst == 0) |
469 | if (dst == 0) |
460 | slog (L_WARN, _("%s(%s): received broadcast (protocol violation)"), |
470 | slog (L_WARN, _("%s(%s): received broadcast (protocol violation)."), |
461 | c->conf->nodename, (const char *)rsi); |
471 | c->conf->nodename, (const char *)rsi); |
462 | else if (dst != THISNODE->id) |
472 | else if (dst != THISNODE->id) |
463 | { |
473 | { |
464 | if (THISNODE->routerprio) |
474 | if (THISNODE->routerprio) |
465 | // the tos setting gets lost here. who cares. |
475 | // the tos setting gets lost here. who cares. |
466 | conns[dst - 1]->inject_vpn_packet (pkt); |
476 | conns[dst - 1]->inject_vpn_packet (pkt); |
467 | else |
477 | else |
468 | slog (L_WARN, |
478 | slog (L_WARN, |
469 | _("%s(%s): forwarding request (=> %s), but we are no router"), |
479 | _("%s(%s): request to forward packet to %s, but we are no router (config mismatch?)."), |
470 | c->conf->nodename, (const char *)rsi, |
480 | c->conf->nodename, (const char *)rsi, |
471 | conns[dst - 1]->conf->nodename); |
481 | conns[dst - 1]->conf->nodename); |
472 | } |
482 | } |
473 | else |
483 | else |
474 | c->recv_vpn_packet (pkt, rsi); |
484 | c->recv_vpn_packet (pkt, rsi); |
… | |
… | |
497 | #if ENABLE_DNS |
507 | #if ENABLE_DNS |
498 | case PROT_DNSv4: |
508 | case PROT_DNSv4: |
499 | return send_dnsv4_packet (pkt, si, tos); |
509 | return send_dnsv4_packet (pkt, si, tos); |
500 | #endif |
510 | #endif |
501 | default: |
511 | default: |
502 | slog (L_CRIT, _("%s: FATAL: trying to send packet with unsupported protocol"), (const char *)si); |
512 | slog (L_CRIT, _("%s: FATAL: trying to send packet with unsupported protocol."), (const char *)si); |
503 | } |
513 | } |
504 | |
514 | |
505 | return false; |
515 | return false; |
506 | } |
516 | } |
507 | |
517 | |
… | |
… | |
529 | recv_vpn_packet (pkt, si); |
539 | recv_vpn_packet (pkt, si); |
530 | } |
540 | } |
531 | else |
541 | else |
532 | { |
542 | { |
533 | // probably ECONNRESET or somesuch |
543 | // probably ECONNRESET or somesuch |
534 | slog (L_DEBUG, _("%s: %s"), (const char *)si, strerror (errno)); |
544 | slog (L_DEBUG, _("%s: %s."), (const char *)si, strerror (errno)); |
535 | } |
545 | } |
536 | |
546 | |
537 | delete pkt; |
547 | delete pkt; |
538 | } |
548 | } |
539 | else |
549 | else |
540 | { |
550 | { |
541 | slog (L_ERR, |
551 | slog (L_ERR, |
542 | _("FATAL: unknown revents %08x in socket, terminating\n"), |
552 | _("FATAL: unknown revents %08x in socket, exiting.\n"), |
543 | revents); |
553 | revents); |
544 | exit (EXIT_FAILURE); |
554 | exit (EXIT_FAILURE); |
545 | } |
555 | } |
546 | } |
556 | } |
547 | |
557 | |
… | |
… | |
577 | } |
587 | } |
578 | } |
588 | } |
579 | else |
589 | else |
580 | { |
590 | { |
581 | // probably ECONNRESET or somesuch |
591 | // probably ECONNRESET or somesuch |
582 | slog (L_DEBUG, _("%s: %s"), (const char *)si, strerror (errno)); |
592 | slog (L_DEBUG, _("%s: %s."), (const char *)si, strerror (errno)); |
583 | } |
593 | } |
584 | |
594 | |
585 | delete pkt; |
595 | delete pkt; |
586 | } |
596 | } |
587 | else |
597 | else |
588 | { |
598 | { |
589 | slog (L_ERR, |
599 | slog (L_ERR, |
590 | _("FATAL: unknown revents %08x in socket, terminating\n"), |
600 | _("FATAL: unknown revents %08x in socket, exiting.\n"), |
591 | revents); |
601 | revents); |
592 | exit (EXIT_FAILURE); |
602 | exit (EXIT_FAILURE); |
593 | } |
603 | } |
594 | } |
604 | } |
595 | #endif |
605 | #endif |
… | |
… | |
615 | recv_vpn_packet (pkt, si); |
625 | recv_vpn_packet (pkt, si); |
616 | } |
626 | } |
617 | else |
627 | else |
618 | { |
628 | { |
619 | // probably ECONNRESET or somesuch |
629 | // probably ECONNRESET or somesuch |
620 | slog (L_DEBUG, _("%s: fd %d, %s"), (const char *)si, w.fd, strerror (errno)); |
630 | slog (L_DEBUG, _("%s: fd %d, %s."), (const char *)si, w.fd, strerror (errno)); |
621 | } |
631 | } |
622 | |
632 | |
623 | delete pkt; |
633 | delete pkt; |
624 | } |
634 | } |
625 | else |
635 | else |
626 | { |
636 | { |
627 | slog (L_ERR, |
637 | slog (L_ERR, |
628 | _("FATAL: unknown revents %08x in socket, terminating\n"), |
638 | _("FATAL: unknown revents %08x in socket, exiting.\n"), |
629 | revents); |
639 | revents); |
630 | exit (EXIT_FAILURE); |
640 | exit (EXIT_FAILURE); |
631 | } |
641 | } |
632 | } |
642 | } |
633 | |
643 | |
… | |
… | |
682 | { |
692 | { |
683 | slog (L_INFO, _("preparing shutdown...")); |
693 | slog (L_INFO, _("preparing shutdown...")); |
684 | |
694 | |
685 | shutdown_all (); |
695 | shutdown_all (); |
686 | remove_pid (conf.pidfilename); |
696 | remove_pid (conf.pidfilename); |
687 | slog (L_INFO, _("terminating")); |
697 | slog (L_INFO, _("exiting.")); |
688 | exit (EXIT_SUCCESS); |
698 | exit (EXIT_SUCCESS); |
689 | } |
699 | } |
690 | |
700 | |
691 | if (events & EVENT_RECONNECT) |
701 | if (events & EVENT_RECONNECT) |
692 | { |
702 | { |
693 | slog (L_INFO, _("forced reconnect")); |
703 | slog (L_INFO, _("forced reconnect.")); |
694 | |
704 | |
695 | reconnect_all (); |
705 | reconnect_all (); |
696 | } |
706 | } |
697 | |
707 | |
698 | events = 0; |
708 | events = 0; |
… | |
… | |
723 | conns.push_back (conn); |
733 | conns.push_back (conn); |
724 | conn->establish_connection (); |
734 | conn->establish_connection (); |
725 | } |
735 | } |
726 | } |
736 | } |
727 | |
737 | |
728 | connection *vpn::find_router () |
738 | bool vpn::can_direct (conf_node *src, conf_node *dst) const |
729 | { |
739 | { |
730 | u32 prio = 1; |
740 | return src != dst |
|
|
741 | && src->may_direct (dst) |
|
|
742 | && dst->may_direct (src) |
|
|
743 | && (((src->protocols & dst->protocols) && src->connectmode == conf_node::C_ALWAYS) |
|
|
744 | || (src->protocols & dst->connectable_protocols ())); |
|
|
745 | } |
|
|
746 | |
|
|
747 | // only works for indirect and routed connections: find a router |
|
|
748 | // from THISNODE to dst |
|
|
749 | connection *vpn::find_router_for (const connection *dst) |
|
|
750 | { |
731 | connection *router = 0; |
751 | connection *router = 0; |
732 | |
752 | |
|
|
753 | // first try to find a router with a direct connection |
|
|
754 | { |
|
|
755 | u32 prio = 1; |
|
|
756 | |
|
|
757 | for (conns_vector::iterator i = conns.begin (); i != conns.end (); ++i) |
|
|
758 | { |
|
|
759 | connection *c = *i; |
|
|
760 | |
|
|
761 | if (c->conf->routerprio > prio |
|
|
762 | && c->conf != THISNODE |
|
|
763 | && c != dst |
|
|
764 | && can_direct (c->conf, dst->conf)) |
|
|
765 | { |
|
|
766 | if (c->ictx && c->octx) |
|
|
767 | { |
|
|
768 | prio = c->conf->routerprio; |
|
|
769 | router = c; |
|
|
770 | } |
|
|
771 | else |
|
|
772 | c->establish_connection (); |
|
|
773 | } |
|
|
774 | } |
|
|
775 | } |
|
|
776 | |
|
|
777 | if (router) |
|
|
778 | return router; |
|
|
779 | |
|
|
780 | // second try find the router with the highest priority higher than ours |
|
|
781 | { |
|
|
782 | u32 prio = 1; |
|
|
783 | |
|
|
784 | for (conns_vector::iterator i = conns.begin (); i != conns.end (); ++i) |
|
|
785 | { |
|
|
786 | connection *c = *i; |
|
|
787 | |
|
|
788 | if (c->conf->routerprio > prio |
|
|
789 | && c->conf->routerprio > THISNODE->routerprio |
|
|
790 | && c != dst |
|
|
791 | && c->conf != THISNODE) |
|
|
792 | { |
|
|
793 | if (c->ictx && c->octx) |
|
|
794 | { |
|
|
795 | prio = c->conf->routerprio; |
|
|
796 | router = c; |
|
|
797 | } |
|
|
798 | else |
|
|
799 | c->establish_connection (); |
|
|
800 | } |
|
|
801 | } |
|
|
802 | } |
|
|
803 | return router; |
|
|
804 | } |
|
|
805 | |
|
|
806 | void vpn::connection_established (connection *c) |
|
|
807 | { |
733 | for (conns_vector::iterator i = conns.begin (); i != conns.end (); ++i) |
808 | for (conns_vector::iterator i = conns.begin (); i != conns.end (); ++i) |
734 | { |
809 | { |
735 | connection *c = *i; |
810 | connection *o = *i; |
736 | |
811 | |
737 | if (c->conf->routerprio > prio |
812 | if (!o->is_direct |
738 | && c->connectmode == conf_node::C_ALWAYS // so we don't drop the connection if in use |
813 | && o->si.valid () |
739 | && c->ictx && c->octx |
814 | && c->si != o->si |
740 | && c->conf != THISNODE) // redundant, since ictx==octx==0 always on thisnode |
815 | && c == find_router_for (o)) |
741 | { |
|
|
742 | prio = c->conf->routerprio; |
|
|
743 | router = c; |
|
|
744 | } |
816 | { |
|
|
817 | slog (L_DEBUG, _("%s: can now route packets via %s, re-keying connection."), |
|
|
818 | o->conf->nodename, c->conf->nodename); |
|
|
819 | o->rekey (); |
|
|
820 | } |
745 | } |
821 | } |
746 | |
|
|
747 | return router; |
|
|
748 | } |
822 | } |
749 | |
823 | |
750 | void vpn::send_connect_request (int id) |
824 | void vpn::send_connect_request (int id) |
751 | { |
825 | { |
752 | connection *c = find_router (); |
826 | connection *c = find_router_for (conns[id]); |
753 | |
827 | |
754 | if (c) |
828 | if (c) |
|
|
829 | { |
|
|
830 | slog (L_TRACE, _("%s: no way to connect, sending mediated connection request via %s."), |
|
|
831 | conns[id]->conf->nodename, c->conf->nodename); |
755 | c->send_connect_request (id); |
832 | c->send_connect_request (id); |
|
|
833 | } |
756 | else |
834 | else |
757 | // no router found, aggressively connect to all routers |
835 | slog (L_DEBUG, _("%s: no way to connect and no router found: unable to connect."), conns[id]->conf->nodename); |
758 | for (conns_vector::iterator i = conns.begin (); i != conns.end (); ++i) |
|
|
759 | if ((*i)->conf->routerprio && (*i)->conf != THISNODE) |
|
|
760 | (*i)->establish_connection (); |
|
|
761 | } |
836 | } |
762 | |
837 | |
763 | void |
838 | void |
764 | connection::dump_status () |
839 | connection::dump_status () |
765 | { |
840 | { |
766 | slog (L_NOTICE, _("node %s (id %d)"), conf->nodename, conf->id); |
841 | slog (L_NOTICE, _("node %s (id %d)"), conf->nodename, conf->id); |
767 | slog (L_NOTICE, _(" connectmode %d (%d) / sockaddr %s / minor %d"), |
842 | slog (L_NOTICE, _(" connectmode %d (%d) / sockaddr %s / minor %d"), |
768 | connectmode, conf->connectmode, (const char *)si, (int)prot_minor); |
843 | connectmode, conf->connectmode, (const char *)si, (int)prot_minor); |
769 | slog (L_NOTICE, _(" ictx/octx %08lx/%08lx / oseqno %d / retry_cnt %d"), |
844 | slog (L_NOTICE, _(" ictx/octx %08lx/%08lx / oseqno %d / retry_cnt %d"), |
770 | (long)ictx, (long)octx, (int)oseqno, (int)retry_cnt); |
845 | (long)ictx, (long)octx, (int)oseqno, (int)retry_cnt); |
771 | slog (L_NOTICE, _(" establish_conn %ld / rekey %ld / keepalive %ld"), |
|
|
772 | (long)(establish_connection.at), (long)(rekey.at), (long)(keepalive.at)); |
|
|
773 | } |
846 | } |
774 | |
847 | |
775 | void |
848 | void |
776 | vpn::dump_status () |
849 | vpn::dump_status () |
777 | { |
850 | { |