ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/gvpe/src/vpn.C
(Generate patch)

Comparing gvpe/src/vpn.C (file contents):
Revision 1.25 by pcg, Sun Jul 25 18:11:40 2004 UTC vs.
Revision 1.29 by pcg, Fri Mar 4 04:52:38 2005 UTC

1/* 1/*
2 vpn.C -- handle the protocol, encryption, handshaking etc. 2 vpn.C -- handle the protocol, encryption, handshaking etc.
3 Copyright (C) 2003-2004 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
… …
226#endif 228#endif
227 229
228#if ENABLE_DNS 230#if ENABLE_DNS
229 if (THISNODE->protocols & PROT_DNSv4) 231 if (THISNODE->protocols & PROT_DNSv4)
230 { 232 {
233 dns_forwarder.set (::conf.dns_forw_host, ::conf.dns_forw_port, PROT_DNSv4);
234
231 dnsv4_fd = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP); 235 dnsv4_fd = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP);
232 236
233 if (dnsv4_fd < 0) 237 if (dnsv4_fd < 0)
234 return -1; 238 return -1;
235 239
… …
263 tap_ev_watcher.start (tap->fd, EVENT_READ); 267 tap_ev_watcher.start (tap->fd, EVENT_READ);
264 268
265 reconnect_all (); 269 reconnect_all ();
266 270
267 return 0; 271 return 0;
268}
269
270// send a vpn packet out to other hosts
271bool
272vpn::send_vpn_packet (vpn_packet *pkt, const sockinfo &si, int tos)
273{
274 switch (si.prot)
275 {
276 case PROT_IPv4:
277 return send_ipv4_packet (pkt, si, tos);
278
279 case PROT_UDPv4:
280 return send_udpv4_packet (pkt, si, tos);
281
282#if ENABLE_TCP
283 case PROT_TCPv4:
284 return send_tcpv4_packet (pkt, si, tos);
285#endif
286
287#if ENABLE_ICMP
288 case PROT_ICMPv4:
289 return send_icmpv4_packet (pkt, si, tos);
290#endif
291
292#if ENABLE_DNS
293 case PROT_DNSv4:
294 return send_dnsv4_packet (pkt, si, tos);
295#endif
296
297 default:
298 slog (L_CRIT, _("%s: FATAL: trying to send packet with unsupported protocol"), (const char *)si);
299 return false;
300 }
301} 272}
302 273
303bool 274bool
304vpn::send_ipv4_packet (vpn_packet *pkt, const sockinfo &si, int tos) 275vpn::send_ipv4_packet (vpn_packet *pkt, const sockinfo &si, int tos)
305{ 276{
… …
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
653connection *vpn::find_router () 621connection *vpn::find_router ()
654{ 622{
655 u32 prio = 0; 623 u32 prio = 1;
656 connection *router = 0; 624 connection *router = 0;
657 625
658 for (conns_vector::iterator i = conns.begin (); i != conns.end (); ++i) 626 for (conns_vector::iterator i = conns.begin (); i != conns.end (); ++i)
659 { 627 {
660 connection *c = *i; 628 connection *c = *i;

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines