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Comparing gvpe/src/vpn.C (file contents):
Revision 1.31 by pcg, Sat Mar 5 19:13:16 2005 UTC vs.
Revision 1.46 by pcg, Thu Aug 7 17:30:28 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) 2003-2005 Marc Lehmann <gvpe@schmorp.de> 3 Copyright (C) 2003-2007 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
8 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
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details. 15 GNU General 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
18 along with gvpe; if not, write to the Free Software 18 along with gvpe; if not, write to the Free Software
19 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20*/ 20*/
21 21
22#include "config.h" 22#include "config.h"
23 23
24#include <list> 24#include <list>
46 46
47vpn network; // THE vpn (bad design...) 47vpn network; // THE vpn (bad design...)
48 48
49///////////////////////////////////////////////////////////////////////////// 49/////////////////////////////////////////////////////////////////////////////
50 50
51const char *vpn::script_if_up () 51static void inline
52set_tos (int fd, int &tos_prev, int tos)
53{
54#if defined(SOL_IP) && defined(IP_TOS)
55 if (tos_prev == tos)
56 return;
57
58 tos_prev = tos;
59 setsockopt (fd, SOL_IP, IP_TOS, &tos, sizeof tos);
60#endif
61}
62
63void
64vpn::script_init_env ()
52{ 65{
53 // the tunnel device mtu should be the physical mtu - overhead 66 // the tunnel device mtu should be the physical mtu - overhead
54 // the tricky part is rounding to the cipher key blocksize 67 // the tricky part is rounding to the cipher key blocksize
55 int mtu = conf.mtu - ETH_OVERHEAD - VPE_OVERHEAD - MAX_OVERHEAD; 68 int mtu = conf.mtu - ETH_OVERHEAD - VPE_OVERHEAD - MAX_OVERHEAD;
56 mtu += ETH_OVERHEAD - 6 - 6; // now we have the data portion 69 mtu += ETH_OVERHEAD - 6 - 6; // now we have the data portion
57 mtu -= mtu % EVP_CIPHER_block_size (CIPHER); // round 70 mtu -= mtu % EVP_CIPHER_block_size (CIPHER); // round
58 mtu -= ETH_OVERHEAD - 6 - 6; // and get interface mtu again 71 mtu -= ETH_OVERHEAD - 6 - 6; // and get interface mtu again
59 72
60 char *env; 73 char *env;
61 asprintf (&env, "CONFBASE=%s", confbase); putenv (env); 74 asprintf (&env, "CONFBASE=%s", confbase); putenv (env);
62 asprintf (&env, "NODENAME=%s", THISNODE->nodename); putenv (env);
63 asprintf (&env, "NODEID=%d", THISNODE->id); putenv (env);
64 asprintf (&env, "IFNAME=%s", tap->interface ()); putenv (env); 75 asprintf (&env, "IFNAME=%s", tap->interface ()); putenv (env);
65 asprintf (&env, "IFTYPE=%s", IFTYPE); putenv (env); 76 asprintf (&env, "IFTYPE=%s", IFTYPE); putenv (env);
66 asprintf (&env, "IFSUBTYPE=%s", IFSUBTYPE); putenv (env); 77 asprintf (&env, "IFSUBTYPE=%s", IFSUBTYPE); putenv (env);
67 asprintf (&env, "MTU=%d", mtu); putenv (env); 78 asprintf (&env, "MTU=%d", mtu); putenv (env);
68 asprintf (&env, "MAC=%02x:%02x:%02x:%02x:%02x:%02x", 79 asprintf (&env, "NODES=%d", conns.size ()); putenv (env);
69 0xfe, 0xfd, 0x80, 0x00, THISNODE->id >> 8, 80 asprintf (&env, "NODEID=%d", THISNODE->id); putenv (env);
70 THISNODE->id & 0xff);
71 putenv (env);
72 81
82 conns [THISNODE->id - 1]->script_init_env ("");
83
84 for (conns_vector::iterator c = conns.begin (); c != conns.end (); ++c)
85 {
86 char ext[16];
87 snprintf (ext, 16, "_%d", (*c)->conf->id);
88 (*c)->script_init_env (ext);
89 }
90}
91
92inline const char *
93vpn::script_if_init ()
94{
95 script_init_env ();
96
97 return tap->if_up ();
98}
99
100inline const char *
101vpn::script_if_up ()
102{
103 script_init_env ();
104
105 char *filename;
106 asprintf (&filename,
107 "%s/%s",
108 confbase,
73 return ::conf.script_if_up ? ::conf.script_if_up : "if-up"; 109 ::conf.script_if_up ? ::conf.script_if_up : "if-up");
110
111 return filename;
74} 112}
75 113
76int 114int
77vpn::setup () 115vpn::setup ()
78{ 116{
117 ipv4_tos = -1;
79 ipv4_fd = -1; 118 ipv4_fd = -1;
80 119
81 if (THISNODE->protocols & PROT_IPv4 && ::conf.ip_proto) 120 if (THISNODE->protocols & PROT_IPv4 && ::conf.ip_proto)
82 { 121 {
83 ipv4_fd = socket (PF_INET, SOCK_RAW, ::conf.ip_proto); 122 ipv4_fd = socket (PF_INET, SOCK_RAW, ::conf.ip_proto);
84 123
85 if (ipv4_fd < 0) 124 if (ipv4_fd < 0)
86 return -1; 125 return -1;
87 126
88 fcntl (ipv4_fd, F_SETFL, O_NONBLOCK); 127 fcntl (ipv4_fd, F_SETFL, O_NONBLOCK);
128 fcntl (ipv4_fd, F_SETFD, FD_CLOEXEC);
89 129
90#if defined(SOL_IP) && defined(IP_MTU_DISCOVER) 130#if defined(SOL_IP) && defined(IP_MTU_DISCOVER)
91 // this I really consider a linux bug. I am neither connected 131 // this I really consider a linux bug. I am neither connected
92 // nor do I fragment myself. Linux still sets DF and doesn't 132 // nor do I fragment myself. Linux still sets DF and doesn't
93 // fragment for me sometimes. 133 // fragment for me sometimes.
103 { 143 {
104 slog (L_ERR, _("can't bind ipv4 socket on %s: %s"), (const char *)si, strerror (errno)); 144 slog (L_ERR, _("can't bind ipv4 socket on %s: %s"), (const char *)si, strerror (errno));
105 exit (EXIT_FAILURE); 145 exit (EXIT_FAILURE);
106 } 146 }
107 147
108 ipv4_ev_watcher.start (ipv4_fd, EVENT_READ); 148 ipv4_ev_watcher.start (ipv4_fd, EV_READ);
109 } 149 }
110 150
151 udpv4_tos = -1;
111 udpv4_fd = -1; 152 udpv4_fd = -1;
112 153
113 if (THISNODE->protocols & PROT_UDPv4 && THISNODE->udp_port) 154 if (THISNODE->protocols & PROT_UDPv4 && THISNODE->udp_port)
114 { 155 {
115 udpv4_fd = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP); 156 udpv4_fd = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP);
116 157
117 if (udpv4_fd < 0) 158 if (udpv4_fd < 0)
118 return -1; 159 return -1;
119 160
120 fcntl (udpv4_fd, F_SETFL, O_NONBLOCK); 161 fcntl (udpv4_fd, F_SETFL, O_NONBLOCK);
162 fcntl (udpv4_fd, F_SETFD, FD_CLOEXEC);
121 163
122 // standard daemon practise... 164 // standard daemon practise...
123 { 165 {
124 int oval = 1; 166 int oval = 1;
125 setsockopt (udpv4_fd, SOL_SOCKET, SO_REUSEADDR, &oval, sizeof oval); 167 setsockopt (udpv4_fd, SOL_SOCKET, SO_REUSEADDR, &oval, sizeof oval);
141 { 183 {
142 slog (L_ERR, _("can't bind udpv4 on %s: %s"), (const char *)si, strerror (errno)); 184 slog (L_ERR, _("can't bind udpv4 on %s: %s"), (const char *)si, strerror (errno));
143 exit (EXIT_FAILURE); 185 exit (EXIT_FAILURE);
144 } 186 }
145 187
146 udpv4_ev_watcher.start (udpv4_fd, EVENT_READ); 188 udpv4_ev_watcher.start (udpv4_fd, EV_READ);
147 } 189 }
148 190
191 icmpv4_tos = -1;
149 icmpv4_fd = -1; 192 icmpv4_fd = -1;
150 193
151#if ENABLE_ICMP 194#if ENABLE_ICMP
152 if (THISNODE->protocols & PROT_ICMPv4) 195 if (THISNODE->protocols & PROT_ICMPv4)
153 { 196 {
154 icmpv4_fd = socket (PF_INET, SOCK_RAW, IPPROTO_ICMP); 197 icmpv4_fd = socket (PF_INET, SOCK_RAW, IPPROTO_ICMP);
155 198
156 if (icmpv4_fd < 0) 199 if (icmpv4_fd < 0)
157 return -1; 200 return -1;
158 201
159 fcntl (icmpv4_fd, F_SETFL, O_NONBLOCK); 202 fcntl (icmpv4_fd, F_SETFL, O_NONBLOCK);
203 fcntl (icmpv4_fd, F_SETFD, FD_CLOEXEC);
160 204
161#ifdef ICMP_FILTER 205#ifdef ICMP_FILTER
162 { 206 {
163 icmp_filter oval; 207 icmp_filter oval;
164 oval.data = 0xffffffff; 208 oval.data = 0xffffffff;
173 // this I really consider a linux bug. I am neither connected 217 // this I really consider a linux bug. I am neither connected
174 // nor do I fragment myself. Linux still sets DF and doesn't 218 // nor do I fragment myself. Linux still sets DF and doesn't
175 // fragment for me sometimes. 219 // fragment for me sometimes.
176 { 220 {
177 int oval = IP_PMTUDISC_DONT; 221 int oval = IP_PMTUDISC_DONT;
178 setsockopt (udpv4_fd, SOL_IP, IP_MTU_DISCOVER, &oval, sizeof oval); 222 setsockopt (icmpv4_fd, SOL_IP, IP_MTU_DISCOVER, &oval, sizeof oval);
179 } 223 }
180#endif 224#endif
181 225
182 sockinfo si (THISNODE, PROT_ICMPv4); 226 sockinfo si (THISNODE, PROT_ICMPv4);
183 227
185 { 229 {
186 slog (L_ERR, _("can't bind icmpv4 on %s: %s"), (const char *)si, strerror (errno)); 230 slog (L_ERR, _("can't bind icmpv4 on %s: %s"), (const char *)si, strerror (errno));
187 exit (EXIT_FAILURE); 231 exit (EXIT_FAILURE);
188 } 232 }
189 233
190 icmpv4_ev_watcher.start (icmpv4_fd, EVENT_READ); 234 icmpv4_ev_watcher.start (icmpv4_fd, EV_READ);
191 } 235 }
192#endif 236#endif
193 237
194 tcpv4_fd = -1; 238 tcpv4_fd = -1;
195 239
200 244
201 if (tcpv4_fd < 0) 245 if (tcpv4_fd < 0)
202 return -1; 246 return -1;
203 247
204 fcntl (tcpv4_fd, F_SETFL, O_NONBLOCK); 248 fcntl (tcpv4_fd, F_SETFL, O_NONBLOCK);
249 fcntl (tcpv4_fd, F_SETFD, FD_CLOEXEC);
205 250
206 // standard daemon practise... 251 // standard daemon practise...
207 { 252 {
208 int oval = 1; 253 int oval = 1;
209 setsockopt (tcpv4_fd, SOL_SOCKET, SO_REUSEADDR, &oval, sizeof oval); 254 setsockopt (tcpv4_fd, SOL_SOCKET, SO_REUSEADDR, &oval, sizeof oval);
221 { 266 {
222 slog (L_ERR, _("can't listen tcpv4 on %s: %s"), (const char *)si, strerror (errno)); 267 slog (L_ERR, _("can't listen tcpv4 on %s: %s"), (const char *)si, strerror (errno));
223 exit (EXIT_FAILURE); 268 exit (EXIT_FAILURE);
224 } 269 }
225 270
226 tcpv4_ev_watcher.start (tcpv4_fd, EVENT_READ); 271 tcpv4_ev_watcher.start (tcpv4_fd, EV_READ);
227 } 272 }
228#endif 273#endif
274
275 dnsv4_tos = -1;
276 dnsv4_fd = -1;
229 277
230#if ENABLE_DNS 278#if ENABLE_DNS
231 if (THISNODE->protocols & PROT_DNSv4) 279 if (THISNODE->protocols & PROT_DNSv4)
232 { 280 {
233 dns_forwarder.set (::conf.dns_forw_host, ::conf.dns_forw_port, PROT_DNSv4); 281 dns_forwarder.set (::conf.dns_forw_host, ::conf.dns_forw_port, PROT_DNSv4);
234 282
235 dnsv4_fd = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP); 283 dnsv4_fd = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP);
236 284
237 if (dnsv4_fd < 0) 285 if (dnsv4_fd < 0)
238 return -1; 286 return -1;
287
288 fcntl (dnsv4_fd, F_SETFL, O_NONBLOCK);
289 fcntl (dnsv4_fd, F_SETFD, FD_CLOEXEC);
290
291# if defined(SOL_IP) && defined(IP_MTU_DISCOVER)
292 // this I really consider a linux bug. I am neither connected
293 // nor do I fragment myself. Linux still sets DF and doesn't
294 // fragment for me sometimes.
295 {
296 int oval = IP_PMTUDISC_DONT;
297 setsockopt (dnsv4_fd, SOL_IP, IP_MTU_DISCOVER, &oval, sizeof oval);
298 }
299# endif
239 300
240 // standard daemon practise... 301 // standard daemon practise...
241 { 302 {
242 int oval = 1; 303 int oval = 1;
243 setsockopt (dnsv4_fd, SOL_SOCKET, SO_REUSEADDR, &oval, sizeof oval); 304 setsockopt (dnsv4_fd, SOL_SOCKET, SO_REUSEADDR, &oval, sizeof oval);
251 { 312 {
252 slog (L_ERR, _("can't bind dnsv4 on %s: %s"), (const char *)si, strerror (errno)); 313 slog (L_ERR, _("can't bind dnsv4 on %s: %s"), (const char *)si, strerror (errno));
253 exit (EXIT_FAILURE); 314 exit (EXIT_FAILURE);
254 } 315 }
255 316
256 dnsv4_ev_watcher.start (dnsv4_fd, EVENT_READ); 317 dnsv4_ev_watcher.start (dnsv4_fd, EV_READ);
257 } 318 }
258#endif 319#endif
320
321 /////////////////////////////////////////////////////////////////////////////
322
323 reconnect_all ();
324
325 /////////////////////////////////////////////////////////////////////////////
259 326
260 tap = new tap_device (); 327 tap = new tap_device ();
261 if (!tap) //D this, of course, never catches 328 if (!tap) //D this, of course, never catches
262 { 329 {
263 slog (L_ERR, _("cannot create network interface '%s'"), conf.ifname); 330 slog (L_ERR, _("cannot create network interface '%s'"), conf.ifname);
264 exit (EXIT_FAILURE); 331 exit (EXIT_FAILURE);
265 } 332 }
266 333
267 run_script (run_script_cb (this, &vpn::script_if_up), true); 334 fcntl (tap->fd, F_SETFD, FD_CLOEXEC);
268 335
336 run_script_cb cb;
337 cb.set<vpn, &vpn::script_if_init> (this);
338
339 if (tap->if_up () &&
340 !run_script (cb, true))
341 {
342 slog (L_ERR, _("interface initialization command '%s' failed, exiting."),
343 tap->if_up ());
344 exit (EXIT_FAILURE);
345 }
346
347 cb.set<vpn, &vpn::script_if_up> (this);
348 if (!run_script (cb, true))
349 {
350 slog (L_ERR, _("if-up command execution failed, exiting."));
351 exit (EXIT_FAILURE);
352 }
353
269 tap_ev_watcher.start (tap->fd, EVENT_READ); 354 tap_ev_watcher.start (tap->fd, EV_READ);
270
271 reconnect_all ();
272 355
273 return 0; 356 return 0;
274} 357}
275 358
276bool 359bool
277vpn::send_ipv4_packet (vpn_packet *pkt, const sockinfo &si, int tos) 360vpn::send_ipv4_packet (vpn_packet *pkt, const sockinfo &si, int tos)
278{ 361{
279#if defined(SOL_IP) && defined(IP_TOS) 362 set_tos (ipv4_fd, ipv4_tos, tos);
280 setsockopt (ipv4_fd, SOL_IP, IP_TOS, &tos, sizeof tos);
281#endif
282 sendto (ipv4_fd, &((*pkt)[0]), pkt->len, 0, si.sav4 (), si.salenv4 ()); 363 sendto (ipv4_fd, &((*pkt)[0]), pkt->len, 0, si.sav4 (), si.salenv4 ());
283 364
284 return true; 365 return true;
285} 366}
286 367
309 390
310#if ENABLE_ICMP 391#if ENABLE_ICMP
311bool 392bool
312vpn::send_icmpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos) 393vpn::send_icmpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos)
313{ 394{
314#if defined(SOL_IP) && defined(IP_TOS)
315 setsockopt (icmpv4_fd, SOL_IP, IP_TOS, &tos, sizeof tos);
316#endif
317
318 pkt->unshift_hdr (4); 395 pkt->unshift_hdr (4);
319 396
320 icmp_header *hdr = (icmp_header *)&((*pkt)[0]); 397 icmp_header *hdr = (icmp_header *)&((*pkt)[0]);
321 hdr->type = ::conf.icmp_type; 398 hdr->type = ::conf.icmp_type;
322 hdr->code = 255; 399 hdr->code = 255;
323 hdr->checksum = 0; 400 hdr->checksum = 0;
324 hdr->checksum = ipv4_checksum ((u16 *)hdr, pkt->len); 401 hdr->checksum = ipv4_checksum ((u16 *)hdr, pkt->len);
325 402
403 set_tos (icmpv4_fd, icmpv4_tos, tos);
326 sendto (icmpv4_fd, &((*pkt)[0]), pkt->len, 0, si.sav4 (), si.salenv4 ()); 404 sendto (icmpv4_fd, &((*pkt)[0]), pkt->len, 0, si.sav4 (), si.salenv4 ());
327 405
328 return true; 406 return true;
329} 407}
330#endif 408#endif
331 409
332bool 410bool
333vpn::send_udpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos) 411vpn::send_udpv4_packet (vpn_packet *pkt, const sockinfo &si, int tos)
334{ 412{
335#if defined(SOL_IP) && defined(IP_TOS) 413 set_tos (udpv4_fd, udpv4_tos, tos);
336 setsockopt (udpv4_fd, SOL_IP, IP_TOS, &tos, sizeof tos);
337#endif
338 sendto (udpv4_fd, &((*pkt)[0]), pkt->len, 0, si.sav4 (), si.salenv4 ()); 414 sendto (udpv4_fd, &((*pkt)[0]), pkt->len, 0, si.sav4 (), si.salenv4 ());
339 415
340 return true; 416 return true;
341} 417}
342 418
353 { 429 {
354 // broadcast, this is ugly, but due to the security policy 430 // broadcast, this is ugly, but due to the security policy
355 // we have to connect to all hosts... 431 // we have to connect to all hosts...
356 for (conns_vector::iterator c = conns.begin (); c != conns.end (); ++c) 432 for (conns_vector::iterator c = conns.begin (); c != conns.end (); ++c)
357 if ((*c)->conf != THISNODE) 433 if ((*c)->conf != THISNODE)
358 (*c)->inject_data_packet (pkt, true); 434 (*c)->inject_data_packet (pkt);
359 } 435 }
360} 436}
361 437
362void 438void
363vpn::recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi) 439vpn::recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi)
404{ 480{
405 switch (si.prot) 481 switch (si.prot)
406 { 482 {
407 case PROT_IPv4: 483 case PROT_IPv4:
408 return send_ipv4_packet (pkt, si, tos); 484 return send_ipv4_packet (pkt, si, tos);
485
409 case PROT_UDPv4: 486 case PROT_UDPv4:
410 return send_udpv4_packet (pkt, si, tos); 487 return send_udpv4_packet (pkt, si, tos);
488
411#if ENABLE_TCP 489#if ENABLE_TCP
412 case PROT_TCPv4: 490 case PROT_TCPv4:
413 return send_tcpv4_packet (pkt, si, tos); 491 return send_tcpv4_packet (pkt, si, tos);
414#endif 492#endif
415#if ENABLE_ICMP 493#if ENABLE_ICMP
418#endif 496#endif
419#if ENABLE_DNS 497#if ENABLE_DNS
420 case PROT_DNSv4: 498 case PROT_DNSv4:
421 return send_dnsv4_packet (pkt, si, tos); 499 return send_dnsv4_packet (pkt, si, tos);
422#endif 500#endif
423
424 default: 501 default:
425 slog (L_CRIT, _("%s: FATAL: trying to send packet with unsupported protocol"), (const char *)si); 502 slog (L_CRIT, _("%s: FATAL: trying to send packet with unsupported protocol"), (const char *)si);
426 } 503 }
427 504
428 return false; 505 return false;
429} 506}
430 507
431void 508inline void
432vpn::ipv4_ev (io_watcher &w, short revents) 509vpn::ipv4_ev (ev::io &w, int revents)
433{ 510{
434 if (revents & EVENT_READ) 511 if (revents & EV_READ)
435 { 512 {
436 vpn_packet *pkt = new vpn_packet; 513 vpn_packet *pkt = new vpn_packet;
437 struct sockaddr_in sa; 514 struct sockaddr_in sa;
438 socklen_t sa_len = sizeof (sa); 515 socklen_t sa_len = sizeof (sa);
439 int len; 516 int len;
467 exit (EXIT_FAILURE); 544 exit (EXIT_FAILURE);
468 } 545 }
469} 546}
470 547
471#if ENABLE_ICMP 548#if ENABLE_ICMP
472void 549inline void
473vpn::icmpv4_ev (io_watcher &w, short revents) 550vpn::icmpv4_ev (ev::io &w, int revents)
474{ 551{
475 if (revents & EVENT_READ) 552 if (revents & EV_READ)
476 { 553 {
477 vpn_packet *pkt = new vpn_packet; 554 vpn_packet *pkt = new vpn_packet;
478 struct sockaddr_in sa; 555 struct sockaddr_in sa;
479 socklen_t sa_len = sizeof (sa); 556 socklen_t sa_len = sizeof (sa);
480 int len; 557 int len;
515 exit (EXIT_FAILURE); 592 exit (EXIT_FAILURE);
516 } 593 }
517} 594}
518#endif 595#endif
519 596
520void 597inline void
521vpn::udpv4_ev (io_watcher &w, short revents) 598vpn::udpv4_ev (ev::io &w, int revents)
522{ 599{
523 if (revents & EVENT_READ) 600 if (revents & EV_READ)
524 { 601 {
525 vpn_packet *pkt = new vpn_packet; 602 vpn_packet *pkt = new vpn_packet;
526 struct sockaddr_in sa; 603 struct sockaddr_in sa;
527 socklen_t sa_len = sizeof (sa); 604 socklen_t sa_len = sizeof (sa);
528 int len; 605 int len;
552 revents); 629 revents);
553 exit (EXIT_FAILURE); 630 exit (EXIT_FAILURE);
554 } 631 }
555} 632}
556 633
557void 634inline void
558vpn::tap_ev (io_watcher &w, short revents) 635vpn::tap_ev (ev::io &w, int revents)
559{ 636{
560 if (revents & EVENT_READ) 637 if (revents & EV_READ)
561 { 638 {
562 /* process data */ 639 /* process data */
563 tap_packet *pkt; 640 tap_packet *pkt;
564 641
565 pkt = tap->recv (); 642 pkt = tap->recv ();
594 } 671 }
595 else 672 else
596 abort (); 673 abort ();
597} 674}
598 675
599void 676inline void
600vpn::event_cb (time_watcher &w) 677vpn::event_cb (ev::timer &w, int)
601{ 678{
602 if (events) 679 if (events)
603 { 680 {
604 if (events & EVENT_SHUTDOWN) 681 if (events & EVENT_SHUTDOWN)
605 { 682 {
696} 773}
697 774
698void 775void
699vpn::dump_status () 776vpn::dump_status ()
700{ 777{
701 slog (L_NOTICE, _("BEGIN status dump (%ld)"), (long)NOW); 778 slog (L_NOTICE, _("BEGIN status dump (%ld)"), (long)ev_now ());
702 779
703 for (conns_vector::iterator c = conns.begin (); c != conns.end (); ++c) 780 for (conns_vector::iterator c = conns.begin (); c != conns.end (); ++c)
704 (*c)->dump_status (); 781 (*c)->dump_status ();
705 782
706 slog (L_NOTICE, _("END status dump")); 783 slog (L_NOTICE, _("END status dump"));
707} 784}
708 785
709vpn::vpn (void) 786vpn::vpn (void)
787{
710: event (this, &vpn::event_cb) 788 event .set<vpn, &vpn::event_cb > (this);
711, udpv4_ev_watcher (this, &vpn::udpv4_ev) 789 udpv4_ev_watcher .set<vpn, &vpn::udpv4_ev > (this);
712, ipv4_ev_watcher (this, &vpn::ipv4_ev) 790 ipv4_ev_watcher .set<vpn, &vpn::ipv4_ev > (this);
713#if ENABLE_TCP 791#if ENABLE_TCP
714, tcpv4_ev_watcher (this, &vpn::tcpv4_ev) 792 tcpv4_ev_watcher .set<vpn, &vpn::tcpv4_ev > (this);
715#endif 793#endif
716#if ENABLE_ICMP 794#if ENABLE_ICMP
717, icmpv4_ev_watcher(this, &vpn::icmpv4_ev) 795 icmpv4_ev_watcher.set<vpn, &vpn::icmpv4_ev> (this);
718#endif 796#endif
719#if ENABLE_DNS 797#if ENABLE_DNS
720, dnsv4_ev_watcher (this, &vpn::dnsv4_ev) 798 dnsv4_ev_watcher .set<vpn, &vpn::dnsv4_ev > (this);
721#endif 799#endif
722, tap_ev_watcher (this, &vpn::tap_ev) 800 tap_ev_watcher .set<vpn, &vpn::tap_ev > (this);
723{
724} 801}
725 802
726vpn::~vpn () 803vpn::~vpn ()
727{ 804{
728} 805}

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