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Comparing gvpe/src/vpn.C (file contents):
Revision 1.44 by pcg, Tue Dec 4 17:17:20 2007 UTC vs.
Revision 1.47 by pcg, Thu Aug 7 17:54:27 2008 UTC

1/* 1/*
2 vpn.C -- handle the protocol, encryption, handshaking etc. 2 vpn.C -- handle the protocol, encryption, handshaking etc.
3 Copyright (C) 2003-2007 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>
… …
87 snprintf (ext, 16, "_%d", (*c)->conf->id); 97 snprintf (ext, 16, "_%d", (*c)->conf->id);
88 (*c)->script_init_env (ext); 98 (*c)->script_init_env (ext);
89 } 99 }
90} 100}
91 101
102inline const char *
92const char *vpn::script_if_init () 103vpn::script_if_init ()
93{ 104{
94 script_init_env (); 105 script_init_env ();
95 106
96 return tap->if_up (); 107 return tap->if_up ();
97} 108}
98 109
110inline const char *
99const char *vpn::script_if_up () 111vpn::script_if_up ()
100{ 112{
101 script_init_env (); 113 script_init_env ();
102 114
103 char *filename; 115 char *filename;
104 asprintf (&filename, 116 asprintf (&filename,
… …
427 { 439 {
428 // broadcast, this is ugly, but due to the security policy 440 // broadcast, this is ugly, but due to the security policy
429 // we have to connect to all hosts... 441 // we have to connect to all hosts...
430 for (conns_vector::iterator c = conns.begin (); c != conns.end (); ++c) 442 for (conns_vector::iterator c = conns.begin (); c != conns.end (); ++c)
431 if ((*c)->conf != THISNODE) 443 if ((*c)->conf != THISNODE)
432 (*c)->inject_data_packet (pkt, true); 444 (*c)->inject_data_packet (pkt);
433 } 445 }
434} 446}
435 447
436void 448void
437vpn::recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi) 449vpn::recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi)
… …
501 } 513 }
502 514
503 return false; 515 return false;
504} 516}
505 517
506void 518inline void
507vpn::ipv4_ev (ev::io &w, int revents) 519vpn::ipv4_ev (ev::io &w, int revents)
508{ 520{
509 if (revents & EV_READ) 521 if (revents & EV_READ)
510 { 522 {
511 vpn_packet *pkt = new vpn_packet; 523 vpn_packet *pkt = new vpn_packet;
… …
542 exit (EXIT_FAILURE); 554 exit (EXIT_FAILURE);
543 } 555 }
544} 556}
545 557
546#if ENABLE_ICMP 558#if ENABLE_ICMP
547void 559inline void
548vpn::icmpv4_ev (ev::io &w, int revents) 560vpn::icmpv4_ev (ev::io &w, int revents)
549{ 561{
550 if (revents & EV_READ) 562 if (revents & EV_READ)
551 { 563 {
552 vpn_packet *pkt = new vpn_packet; 564 vpn_packet *pkt = new vpn_packet;
… …
590 exit (EXIT_FAILURE); 602 exit (EXIT_FAILURE);
591 } 603 }
592} 604}
593#endif 605#endif
594 606
595void 607inline void
596vpn::udpv4_ev (ev::io &w, int revents) 608vpn::udpv4_ev (ev::io &w, int revents)
597{ 609{
598 if (revents & EV_READ) 610 if (revents & EV_READ)
599 { 611 {
600 vpn_packet *pkt = new vpn_packet; 612 vpn_packet *pkt = new vpn_packet;
… …
627 revents); 639 revents);
628 exit (EXIT_FAILURE); 640 exit (EXIT_FAILURE);
629 } 641 }
630} 642}
631 643
632void 644inline void
633vpn::tap_ev (ev::io &w, int revents) 645vpn::tap_ev (ev::io &w, int revents)
634{ 646{
635 if (revents & EV_READ) 647 if (revents & EV_READ)
636 { 648 {
637 /* process data */ 649 /* process data */
… …
669 } 681 }
670 else 682 else
671 abort (); 683 abort ();
672} 684}
673 685
674void 686inline void
675vpn::event_cb (ev::timer &w, int) 687vpn::event_cb (ev::timer &w, int)
676{ 688{
677 if (events) 689 if (events)
678 { 690 {
679 if (events & EVENT_SHUTDOWN) 691 if (events & EVENT_SHUTDOWN)

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