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Comparing gvpe/src/conf.C (file contents):
Revision 1.6 by pcg, Fri Mar 28 16:14:40 2003 UTC vs.
Revision 1.21 by pcg, Sat Jan 17 01:18:36 2004 UTC

1/* 1/*
2 conf.c -- configuration code 2 conf.c -- configuration code
3 Copyright (C) 1998 Robert van der Meulen 3 Copyright (C) 2003-2004 Marc Lehmann <pcg@goof.com>
4 1998-2002 Ivo Timmermans <ivo@o2w.nl>
5 2000-2002 Guus Sliepen <guus@sliepen.eu.org>
6 2000 Cris van Pelt <tribbel@arise.dhs.org>
7 2003 Marc Lehmann <pcg@goof.com>
8 4
9 This program is free software; you can redistribute it and/or modify 5 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by 6 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or 7 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version. 8 (at your option) any later version.
… …
31#include <netdb.h> 27#include <netdb.h>
32#include <sys/stat.h> 28#include <sys/stat.h>
33#include <sys/types.h> 29#include <sys/types.h>
34#include <unistd.h> 30#include <unistd.h>
35 31
36#include <netinet/in.h> 32#include "netcompat.h"
37 33
38#include <openssl/err.h> 34#include <openssl/err.h>
39#include <openssl/pem.h> 35#include <openssl/pem.h>
40#include <openssl/rsa.h> 36#include <openssl/rsa.h>
41#include <openssl/rand.h> 37#include <openssl/rand.h>
… …
51char *identname; 47char *identname;
52char *pidfilename; 48char *pidfilename;
53 49
54struct configuration conf; 50struct configuration conf;
55 51
56configuration::configuration () 52u8 best_protocol (u8 protset)
57{ 53{
58 init (); 54 if (protset & PROT_IPv4 ) return PROT_IPv4;
59} 55 if (protset & PROT_ICMPv4) return PROT_ICMPv4;
56 if (protset & PROT_UDPv4 ) return PROT_UDPv4;
57 if (protset & PROT_TCPv4 ) return PROT_TCPv4;
60 58
61configuration::~configuration () 59 return 0;
60}
61
62const char *strprotocol (u8 protocol)
62{ 63{
63 cleanup (); 64 if (protocol & PROT_IPv4 ) return "rawip";
65 if (protocol & PROT_ICMPv4) return "icmp";
66 if (protocol & PROT_UDPv4 ) return "udp";
67 if (protocol & PROT_TCPv4 ) return "tcp";
68
69 return "<unknown>";
70}
71
72void
73conf_node::print ()
74{
75 printf ("%4d fe:fd:80:00:0%1x:%02x %c %-8.8s %-10.10s %s%s%d\n",
76 id,
77 id >> 8, id & 0xff,
78 compress ? 'Y' : 'N',
79 connectmode == C_ONDEMAND ? "ondemand" :
80 connectmode == C_NEVER ? "never" :
81 connectmode == C_ALWAYS ? "always" : "",
82 nodename,
83 hostname ? hostname : "",
84 hostname ? ":" : "",
85 hostname ? udp_port : 0
86 );
87}
88
89conf_node::~conf_node ()
90{
91 if (rsa_key)
92 RSA_free (rsa_key);
93
94 free (nodename);
95 free (hostname);
64} 96}
65 97
66void configuration::init () 98void configuration::init ()
67{ 99{
68 memset (this, 0, sizeof (*this)); 100 memset (this, 0, sizeof (*this));
69 101
102 mtu = DEFAULT_MTU;
70 rekey = DEFAULT_REKEY; 103 rekey = DEFAULT_REKEY;
71 keepalive = DEFAULT_KEEPALIVE; 104 keepalive = DEFAULT_KEEPALIVE;
72 llevel = L_INFO; 105 llevel = L_INFO;
73 ip_proto = IPPROTO_GRE; 106 ip_proto = IPPROTO_GRE;
107#if ENABLE_ICMP
108 icmp_type = ICMP_ECHOREPLY;
109#endif
74 110
75 default_node.udp_port = DEFAULT_UDPPORT; 111 default_node.udp_port = DEFAULT_UDPPORT;
112 default_node.tcp_port = DEFAULT_UDPPORT;
76 default_node.connectmode = conf_node::C_ALWAYS; 113 default_node.connectmode = conf_node::C_ALWAYS;
77 default_node.compress = true; 114 default_node.compress = true;
78 default_node.protocols = PROT_UDPv4; 115 default_node.protocols = PROT_UDPv4;
79} 116}
80 117
81void configuration::cleanup() 118void configuration::cleanup()
82{ 119{
83 if (rsa_key) 120 if (rsa_key)
84 RSA_free (rsa_key); 121 RSA_free (rsa_key);
85 122
86 free (ifname);
87
88 rsa_key = 0; 123 rsa_key = 0;
89 ifname = 0; 124
125 free (ifname); ifname = 0;
126#if ENABLE_HTTP_PROXY
127 free (proxy_host); proxy_host = 0;
128 free (proxy_auth); proxy_auth = 0;
129#endif
90} 130}
91 131
92void 132void
93configuration::clear_config () 133configuration::clear_config ()
94{ 134{
… …
185 else 225 else
186 slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line); 226 slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line);
187 } 227 }
188 else if (!strcmp (var, "ip-proto")) 228 else if (!strcmp (var, "ip-proto"))
189 ip_proto = atoi (val); 229 ip_proto = atoi (val);
230 else if (!strcmp (var, "icmp-type"))
231 {
232#if ENABLE_ICMP
233 icmp_type = atoi (val);
234#endif
235 }
190 236
191 // per config 237 // per config
192 else if (!strcmp (var, "node")) 238 else if (!strcmp (var, "node"))
193 { 239 {
194 default_node.id++; 240 default_node.id++;
… …
253 script_if_up = strdup (val); 299 script_if_up = strdup (val);
254 else if (!strcmp (var, "node-up")) 300 else if (!strcmp (var, "node-up"))
255 script_node_up = strdup (val); 301 script_node_up = strdup (val);
256 else if (!strcmp (var, "node-down")) 302 else if (!strcmp (var, "node-down"))
257 script_node_down = strdup (val); 303 script_node_down = strdup (val);
304 else if (!strcmp (var, "http-proxy-host"))
305 {
306#if ENABLE_HTTP_PROXY
307 proxy_host = strdup (val);
308#endif
309 }
310 else if (!strcmp (var, "http-proxy-port"))
311 {
312#if ENABLE_HTTP_PROXY
313 proxy_port = atoi (val);
314#endif
315 }
316 else if (!strcmp (var, "http-proxy-auth"))
317 {
318#if ENABLE_HTTP_PROXY
319 proxy_auth = (char *)base64_encode ((const u8 *)val, strlen (val));
320#endif
321 }
258 322
259 /* node-specific, non-defaultable */ 323 /* node-specific, non-defaultable */
260 else if (node != &default_node && !strcmp (var, "hostname")) 324 else if (node != &default_node && !strcmp (var, "hostname"))
261 { 325 {
262 free (node->hostname); 326 free (node->hostname);
… …
264 } 328 }
265 329
266 /* node-specific, defaultable */ 330 /* node-specific, defaultable */
267 else if (!strcmp (var, "udp-port")) 331 else if (!strcmp (var, "udp-port"))
268 node->udp_port = atoi (val); 332 node->udp_port = atoi (val);
333 else if (!strcmp (var, "tcp-port"))
334 node->tcp_port = atoi (val);
269 else if (!strcmp (var, "router-priority")) 335 else if (!strcmp (var, "router-priority"))
270 node->routerprio = atoi (val); 336 node->routerprio = atoi (val);
271 else if (!strcmp (var, "connect")) 337 else if (!strcmp (var, "connect"))
272 { 338 {
273 if (!strcmp (val, "ondemand")) 339 if (!strcmp (val, "ondemand"))
… …
290 else if (!strcmp (var, "compress")) 356 else if (!strcmp (var, "compress"))
291 { 357 {
292 parse_bool (node->compress, "compress", true, false); 358 parse_bool (node->compress, "compress", true, false);
293 } 359 }
294 // all these bool options really really cost a lot of executable size! 360 // all these bool options really really cost a lot of executable size!
361 else if (!strcmp (var, "enable-tcp"))
362 {
363#if ENABLE_TCP
364 u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) | v;
365#endif
366 }
367 else if (!strcmp (var, "enable-icmp"))
368 {
369#if ENABLE_ICMP
370 u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) | v;
371#endif
372 }
295 else if (!strcmp (var, "enable-udp")) 373 else if (!strcmp (var, "enable-udp"))
296 { 374 {
297 u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) | v; 375 u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) | v;
298 } 376 }
299 else if (!strcmp (var, "enable-rawip")) 377 else if (!strcmp (var, "enable-rawip"))
… …
301 u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) | v; 379 u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) | v;
302 } 380 }
303 381
304 // unknown or misplaced 382 // unknown or misplaced
305 else 383 else
306 {
307 slog (L_WARN, 384 slog (L_WARN,
308 _("unknown or misplaced variable `%s', at '%s' line %d"), 385 _("unknown or misplaced variable `%s', at '%s' line %d"),
309 var, fname, lineno); 386 var, fname, lineno);
310 }
311 } 387 }
312 388
313 fclose (f); 389 fclose (f);
314 } 390 }
315 else 391 else
… …
374 printf (_("MTU: %d\n"), mtu); 450 printf (_("MTU: %d\n"), mtu);
375 printf (_("rekeying interval: %d\n"), rekey); 451 printf (_("rekeying interval: %d\n"), rekey);
376 printf (_("keepalive interval: %d\n"), keepalive); 452 printf (_("keepalive interval: %d\n"), keepalive);
377 printf (_("interface: %s\n"), ifname); 453 printf (_("interface: %s\n"), ifname);
378 printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>"); 454 printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");
379 printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) : -1); 455 printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) * 8 : -1);
380 printf ("\n"); 456 printf ("\n");
381 457
382 printf ("%4s %-17s %s %-8.8s %-10.10s %s\n", 458 printf ("%4s %-17s %s %-8.8s %-10.10s %s\n",
383 _("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port")); 459 _("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port"));
384 460
… …
386 (*i)->print (); 462 (*i)->print ();
387 463
388 printf ("\n"); 464 printf ("\n");
389} 465}
390 466
391void 467configuration::configuration ()
392conf_node::print ()
393{ 468{
394 printf ("%4d fe:fd:80:00:0%1x:%02x %c %-8.8s %-10.10s %s%s%d\n", 469 init ();
395 id,
396 id >> 8, id & 0xff,
397 compress ? 'Y' : 'N',
398 connectmode == C_ONDEMAND ? "ondemand" :
399 connectmode == C_NEVER ? "never" :
400 connectmode == C_ALWAYS ? "always" : "",
401 nodename,
402 hostname ? hostname : "",
403 hostname ? ":" : "",
404 hostname ? udp_port : 0
405 );
406} 470}
407 471
472configuration::~configuration ()
473{
474 cleanup ();
475}
476
477

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