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Comparing gvpe/src/conf.C (file contents):
Revision 1.3 by pcg, Sun Mar 9 12:40:18 2003 UTC vs.
Revision 1.26 by pcg, Wed May 12 13:32:13 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
32#include "netcompat.h"
33
36#include <openssl/err.h> 34#include <openssl/err.h>
37#include <openssl/pem.h> 35#include <openssl/pem.h>
38#include <openssl/rsa.h> 36#include <openssl/rsa.h>
39#include <openssl/rand.h> 37#include <openssl/rand.h>
38#include <openssl/bn.h>
40 39
41#include "gettext.h" 40#include "gettext.h"
42 41
43#include "conf.h" 42#include "conf.h"
44#include "slog.h" 43#include "slog.h"
45#include "util.h" 44#include "util.h"
46 45
47char *confbase; 46char *confbase;
48char *thisnode; 47char *thisnode;
49char *identname; 48char *identname;
50char *pidfilename;
51 49
52struct configuration conf; 50struct configuration conf;
53 51
54configuration::configuration () 52u8 best_protocol (u8 protset)
55{ 53{
56 init (); 54 if (protset & PROT_IPv4 ) return PROT_IPv4;
57} 55 if (protset & PROT_ICMPv4) return PROT_ICMPv4;
56 if (protset & PROT_UDPv4 ) return PROT_UDPv4;
57 if (protset & PROT_TCPv4 ) return PROT_TCPv4;
58 if (protset & PROT_DNSv4 ) return PROT_DNSv4;
58 59
59configuration::~configuration ()
60{
61 cleanup ();
62}
63
64void configuration::init ()
65{
66 memset (this, 0, sizeof (*this));
67
68 rekey = DEFAULT_REKEY;
69 keepalive = DEFAULT_KEEPALIVE;
70 llevel = L_INFO;
71
72 default_node.port = DEFAULT_PORT;
73 default_node.connectmode = conf_node::C_ALWAYS;
74 default_node.compress = true;
75}
76
77void configuration::cleanup()
78{
79 if (rsa_key)
80 RSA_free (rsa_key);
81
82 free (ifname);
83
84 rsa_key = 0;
85 ifname = 0;
86}
87
88void
89configuration::clear_config ()
90{
91 for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)
92 delete *i;
93
94 nodes.clear ();
95
96 cleanup ();
97 init ();
98}
99
100void configuration::read_config (bool need_keys)
101{
102 char *fname;
103 FILE *f;
104
105 clear_config ();
106
107 asprintf (&fname, "%s/vped.conf", confbase);
108 f = fopen (fname, "r");
109
110 if (f)
111 {
112 char line[16384];
113 int lineno = 0;
114 char *var, *val;
115 conf_node *node = &default_node;
116
117 while (fgets (line, sizeof (line), f))
118 {
119 lineno++;
120
121 {
122 char *end = line + strlen (line);
123
124 while (*end < ' ' && end >= line)
125 end--;
126
127 *++end = 0;
128 }
129
130 char *tok = line;
131
132retry:
133 var = strtok (tok, "\t =");
134 tok = 0;
135
136 if (!var || !var[0])
137 continue; /* no tokens on this line */
138
139 if (var[0] == '#')
140 continue; /* comment: ignore */
141
142 val = strtok (NULL, "\t\n\r =");
143
144 if (!val || val[0] == '#')
145 {
146 slog (L_WARN,
147 _("no value for variable `%s', at '%s' line %d"),
148 var, fname, lineno);
149 break;
150 }
151
152 if (!strcmp (var, "on"))
153 {
154 if (!::thisnode
155 || (val[0] == '!' && strcmp (val + 1, ::thisnode))
156 || !strcmp (val, ::thisnode))
157 goto retry;
158
159 continue;
160 }
161
162 // truly global
163 if (!strcmp (var, "loglevel"))
164 {
165 loglevel l = string_to_loglevel (val);
166
167 if (l != L_NONE)
168 llevel = l;
169 else
170 slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line);
171 }
172
173 // per config
174 else if (!strcmp (var, "node"))
175 {
176 default_node.id++;
177
178 node = new conf_node (default_node);
179
180 nodes.push_back (node);
181
182 node->nodename = strdup (val);
183
184 {
185 char *fname;
186 FILE *f;
187
188 asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
189
190 f = fopen (fname, "r");
191 if (f)
192 {
193 node->rsa_key = RSA_new ();
194
195 if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
196 {
197 ERR_load_RSA_strings (); ERR_load_PEM_strings ();
198 slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
199 exit (1);
200 }
201
202 RSA_blinding_on (node->rsa_key, 0);
203
204 fclose (f);
205 }
206 else
207 {
208 slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
209
210 if (need_keys)
211 exit (1);
212 }
213
214 free (fname);
215 }
216
217 if (!::thisnode || !strcmp (node->nodename, ::thisnode))
218 thisnode = node;
219 }
220 else if (!strcmp (var, "private-key"))
221 prikeyfile = strdup (val);
222 else if (!strcmp (var, "ifpersist"))
223 {
224 if (!strcmp (val, "yes"))
225 ifpersist = true;
226 else if (!strcmp (val, "no"))
227 ifpersist = false;
228 else
229 slog (L_WARN,
230 _("illegal value for 'ifpersist', only 'yes' or 'no' allowed, at '%s' line %d"),
231 var, fname, lineno);
232 }
233 else if (!strcmp (var, "ifname"))
234 ifname = strdup (val);
235 else if (!strcmp (var, "rekey"))
236 rekey = atoi (val);
237 else if (!strcmp (var, "keepalive"))
238 keepalive = atoi (val);
239 else if (!strcmp (var, "mtu"))
240 mtu = atoi (val);
241 else if (!strcmp (var, "if-up"))
242 script_if_up = strdup (val);
243 else if (!strcmp (var, "node-up"))
244 script_node_up = strdup (val);
245 else if (!strcmp (var, "node-down"))
246 script_node_down = strdup (val);
247
248 /* node-specific, non-defaultable */
249 else if (node != &default_node && !strcmp (var, "hostname"))
250 {
251 free (node->hostname);
252 node->hostname = strdup (val);
253 }
254
255 /* node-specific, defaultable */
256 else if (!strcmp (var, "port"))
257 node->port = atoi (val);
258 else if (!strcmp (var, "router-priority"))
259 node->routerprio = atoi (val);
260 else if (!strcmp (var, "connect"))
261 {
262 if (!strcmp (val, "ondemand"))
263 node->connectmode = conf_node::C_ONDEMAND;
264 else if (!strcmp (val, "never"))
265 node->connectmode = conf_node::C_NEVER;
266 else if (!strcmp (val, "always"))
267 node->connectmode = conf_node::C_ALWAYS;
268 else
269 slog (L_WARN,
270 _("illegal value for 'connectmode', use one of 'ondemand', 'never' or 'always', at '%s' line %d"),
271 var, fname, lineno);
272 }
273 else if (!strcmp (var, "inherit-tos"))
274 {
275 if (!strcmp (val, "yes"))
276 node->inherit_tos = true;
277 else if (!strcmp (val, "no"))
278 node->inherit_tos = false;
279 else
280 slog (L_WARN,
281 _("illegal value for 'compress', only 'yes' or 'no' allowed, at '%s' line %d"),
282 var, fname, lineno);
283 }
284
285 else if (!strcmp (var, "compress"))
286 {
287 if (!strcmp (val, "yes"))
288 node->compress = true;
289 else if (!strcmp (val, "no"))
290 node->compress = false;
291 else
292 slog (L_WARN,
293 _("illegal value for 'compress', only 'yes' or 'no' allowed, at '%s' line %d"),
294 var, fname, lineno);
295 }
296
297 // unknown or misplaced
298 else
299 {
300 slog (L_WARN,
301 _("unknown or misplaced variable `%s', at '%s' line %d"),
302 var, fname, lineno);
303 }
304 }
305
306 fclose (f);
307 }
308 else
309 {
310 slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
311 exit (1);
312 }
313
314 free (fname);
315
316 fname = config_filename (prikeyfile, "hostkey");
317
318 f = fopen (fname, "r");
319 if (f)
320 {
321 rsa_key = RSA_new ();
322
323 if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL))
324 {
325 ERR_load_RSA_strings (); ERR_load_PEM_strings ();
326 slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
327 exit (1);
328 }
329
330 RSA_blinding_on (rsa_key, 0);
331
332 fclose (f);
333 }
334 else
335 {
336 slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno));
337
338 if (need_keys)
339 exit (1);
340 }
341
342 free (fname);
343}
344
345char *configuration::config_filename (const char *name, const char *dflt)
346{
347 char *fname;
348
349 asprintf (&fname, name ? name : dflt, ::thisnode);
350
351 if (!ABSOLUTE_PATH (fname))
352 {
353 char *rname = fname;
354 asprintf (&fname, "%s/%s", confbase, rname);
355 free (rname);
356 }
357
358 return fname; 60 return 0;
359} 61}
360 62
361void 63const char *strprotocol (u8 protocol)
362configuration::print ()
363{ 64{
364 printf (_("\nConfiguration\n\n")); 65 if (protocol & PROT_IPv4 ) return "rawip";
365 printf (_("# of nodes: %d\n"), nodes.size ()); 66 if (protocol & PROT_ICMPv4) return "icmp";
366 printf (_("this node: %s\n"), thisnode ? thisnode->nodename : "<unset>"); 67 if (protocol & PROT_UDPv4 ) return "udp";
367 printf (_("MTU: %d\n"), mtu); 68 if (protocol & PROT_TCPv4 ) return "tcp";
368 printf (_("rekeying interval: %d\n"), rekey); 69 if (protocol & PROT_DNSv4 ) return "dns";
369 printf (_("keepalive interval: %d\n"), keepalive);
370 printf (_("interface: %s\n"), ifname);
371 printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");
372 printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) : -1);
373 printf ("\n");
374 70
375 printf ("%4s %-17s %s %-8.8s %-10.10s %s\n", 71 return "<unknown>";
376 _("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port"));
377
378 for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)
379 (*i)->print ();
380
381 printf ("\n");
382} 72}
383 73
384void 74void
385conf_node::print () 75conf_node::print ()
386{ 76{
… …
392 connectmode == C_NEVER ? "never" : 82 connectmode == C_NEVER ? "never" :
393 connectmode == C_ALWAYS ? "always" : "", 83 connectmode == C_ALWAYS ? "always" : "",
394 nodename, 84 nodename,
395 hostname ? hostname : "", 85 hostname ? hostname : "",
396 hostname ? ":" : "", 86 hostname ? ":" : "",
397 hostname ? port : 0 87 hostname ? udp_port : 0
398 ); 88 );
399} 89}
400 90
91conf_node::~conf_node ()
92{
93 if (rsa_key)
94 RSA_free (rsa_key);
95
96 free (nodename);
97 free (hostname);
98}
99
100void configuration::init ()
101{
102 memset (this, 0, sizeof (*this));
103
104 mtu = DEFAULT_MTU;
105 rekey = DEFAULT_REKEY;
106 keepalive = DEFAULT_KEEPALIVE;
107 llevel = L_INFO;
108 ip_proto = IPPROTO_GRE;
109#if ENABLE_ICMP
110 icmp_type = ICMP_ECHOREPLY;
111#endif
112
113 default_node.udp_port = DEFAULT_UDPPORT;
114 default_node.tcp_port = DEFAULT_UDPPORT; // ehrm
115 default_node.connectmode = conf_node::C_ALWAYS;
116 default_node.compress = true;
117 default_node.protocols = PROT_UDPv4;
118
119 conf.pidfilename = strdup (LOCALSTATEDIR "/run/vped.pid");
120}
121
122void configuration::cleanup()
123{
124 if (rsa_key)
125 RSA_free (rsa_key);
126
127 rsa_key = 0;
128
129 free (pidfilename); pidfilename = 0;
130 free (ifname); ifname = 0;
131#if ENABLE_HTTP_PROXY
132 free (proxy_host); proxy_host = 0;
133 free (proxy_auth); proxy_auth = 0;
134#endif
135}
136
137void
138configuration::clear_config ()
139{
140 for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)
141 delete *i;
142
143 nodes.clear ();
144
145 cleanup ();
146 init ();
147}
148
149#define parse_bool(target,name,trueval,falseval) \
150 if (!strcmp (val, "yes")) target = trueval; \
151 else if (!strcmp (val, "no")) target = falseval; \
152 else if (!strcmp (val, "true")) target = trueval; \
153 else if (!strcmp (val, "false")) target = falseval; \
154 else if (!strcmp (val, "on")) target = trueval; \
155 else if (!strcmp (val, "off")) target = falseval; \
156 else \
157 slog (L_WARN, \
158 _("illegal value for '%s', only 'yes|true|on' or 'no|false|off' allowed, at '%s' line %d"), \
159 name, var, fname, lineno);
160
161void configuration::read_config (bool need_keys)
162{
163 char *fname;
164 FILE *f;
165
166 clear_config ();
167
168 asprintf (&fname, "%s/vped.conf", confbase);
169 f = fopen (fname, "r");
170
171 if (f)
172 {
173 char line[16384];
174 int lineno = 0;
175 char *var, *val;
176 conf_node *node = &default_node;
177
178 while (fgets (line, sizeof (line), f))
179 {
180 lineno++;
181
182 {
183 char *end = line + strlen (line);
184
185 while (*end < ' ' && end >= line)
186 end--;
187
188 *++end = 0;
189 }
190
191 char *tok = line;
192
193retry:
194 var = strtok (tok, "\t =");
195 tok = 0;
196
197 if (!var || !var[0])
198 continue; /* no tokens on this line */
199
200 if (var[0] == '#')
201 continue; /* comment: ignore */
202
203 val = strtok (NULL, "\t\n\r =");
204
205 if (!val || val[0] == '#')
206 {
207 slog (L_WARN,
208 _("no value for variable `%s', at '%s' line %d"),
209 var, fname, lineno);
210 break;
211 }
212
213 if (!strcmp (var, "on"))
214 {
215 if (!::thisnode
216 || (val[0] == '!' && strcmp (val + 1, ::thisnode))
217 || !strcmp (val, ::thisnode))
218 goto retry;
219
220 continue;
221 }
222
223 // truly global
224 if (!strcmp (var, "loglevel"))
225 {
226 loglevel l = string_to_loglevel (val);
227
228 if (l != L_NONE)
229 llevel = l;
230 else
231 slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line);
232 }
233 else if (!strcmp (var, "ip-proto"))
234 ip_proto = atoi (val);
235 else if (!strcmp (var, "icmp-type"))
236 {
237#if ENABLE_ICMP
238 icmp_type = atoi (val);
239#endif
240 }
241
242 // per config
243 else if (!strcmp (var, "node"))
244 {
245 default_node.id++;
246
247 node = new conf_node (default_node);
248
249 nodes.push_back (node);
250
251 node->nodename = strdup (val);
252
253 {
254 char *fname;
255 FILE *f;
256
257 asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
258
259 f = fopen (fname, "r");
260 if (f)
261 {
262 node->rsa_key = RSA_new ();
263
264 if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
265 {
266 ERR_load_RSA_strings (); ERR_load_PEM_strings ();
267 slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
268 exit (EXIT_FAILURE);
269 }
270
271 require (RSA_blinding_on (node->rsa_key, 0));
272
273 fclose (f);
274 }
275 else
276 {
277 slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
278
279 if (need_keys)
280 exit (EXIT_FAILURE);
281 }
282
283 free (fname);
284 }
285
286 if (::thisnode && !strcmp (node->nodename, ::thisnode))
287 thisnode = node;
288 }
289 else if (!strcmp (var, "private-key"))
290 free (prikeyfile), prikeyfile = strdup (val);
291 else if (!strcmp (var, "ifpersist"))
292 {
293 parse_bool (ifpersist, "ifpersist", true, false);
294 }
295 else if (!strcmp (var, "ifname"))
296 free (ifname), ifname = strdup (val);
297 else if (!strcmp (var, "rekey"))
298 rekey = atoi (val);
299 else if (!strcmp (var, "keepalive"))
300 keepalive = atoi (val);
301 else if (!strcmp (var, "mtu"))
302 mtu = atoi (val);
303 else if (!strcmp (var, "if-up"))
304 free (script_if_up), script_if_up = strdup (val);
305 else if (!strcmp (var, "node-up"))
306 free (script_node_up), script_node_up = strdup (val);
307 else if (!strcmp (var, "node-down"))
308 free (script_node_down), script_node_down = strdup (val);
309 else if (!strcmp (var, "pid-file"))
310 free (pidfilename), pidfilename = strdup (val);
311 else if (!strcmp (var, "http-proxy-host"))
312 {
313#if ENABLE_HTTP_PROXY
314 free (proxy_host), proxy_host = strdup (val);
315#endif
316 }
317 else if (!strcmp (var, "http-proxy-port"))
318 {
319#if ENABLE_HTTP_PROXY
320 proxy_port = atoi (val);
321#endif
322 }
323 else if (!strcmp (var, "http-proxy-auth"))
324 {
325#if ENABLE_HTTP_PROXY
326 proxy_auth = (char *)base64_encode ((const u8 *)val, strlen (val));
327#endif
328 }
329
330 /* node-specific, non-defaultable */
331 else if (node != &default_node && !strcmp (var, "hostname"))
332 free (node->hostname), node->hostname = strdup (val);
333
334 /* node-specific, defaultable */
335 else if (!strcmp (var, "udp-port"))
336 node->udp_port = atoi (val);
337 else if (!strcmp (var, "tcp-port"))
338 node->tcp_port = atoi (val);
339 else if (!strcmp (var, "dns-port"))
340 node->dns_port = atoi (val);
341 else if (!strcmp (var, "router-priority"))
342 node->routerprio = atoi (val);
343 else if (!strcmp (var, "connect"))
344 {
345 if (!strcmp (val, "ondemand"))
346 node->connectmode = conf_node::C_ONDEMAND;
347 else if (!strcmp (val, "never"))
348 node->connectmode = conf_node::C_NEVER;
349 else if (!strcmp (val, "always"))
350 node->connectmode = conf_node::C_ALWAYS;
351 else if (!strcmp (val, "disabled"))
352 node->connectmode = conf_node::C_DISABLED;
353 else
354 slog (L_WARN,
355 _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d"),
356 var, fname, lineno);
357 }
358 else if (!strcmp (var, "inherit-tos"))
359 {
360 parse_bool (node->inherit_tos, "inherit-tos", true, false);
361 }
362 else if (!strcmp (var, "compress"))
363 {
364 parse_bool (node->compress, "compress", true, false);
365 }
366 // all these bool options really really cost a lot of executable size!
367 else if (!strcmp (var, "enable-tcp"))
368 {
369#if ENABLE_TCP
370 u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) | v;
371#endif
372 }
373 else if (!strcmp (var, "enable-icmp"))
374 {
375#if ENABLE_ICMP
376 u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) | v;
377#endif
378 }
379 else if (!strcmp (var, "enable-dns"))
380 {
381#if ENABLE_DNS
382 u8 v; parse_bool (v, "enable-dns" , PROT_DNSv4, 0); node->protocols = (node->protocols & ~PROT_DNSv4) | v;
383#endif
384 }
385 else if (!strcmp (var, "enable-udp"))
386 {
387 u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) | v;
388 }
389 else if (!strcmp (var, "enable-rawip"))
390 {;
391 u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) | v;
392 }
393
394 // unknown or misplaced
395 else
396 slog (L_WARN,
397 _("unknown or misplaced variable `%s', at '%s' line %d"),
398 var, fname, lineno);
399 }
400
401 fclose (f);
402 }
403 else
404 {
405 slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
406 exit (EXIT_FAILURE);
407 }
408
409 free (fname);
410
411 fname = config_filename (prikeyfile, "hostkey");
412
413 f = fopen (fname, "r");
414 if (f)
415 {
416 rsa_key = RSA_new ();
417
418 if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL))
419 {
420 ERR_load_RSA_strings (); ERR_load_PEM_strings ();
421 slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
422 exit (EXIT_FAILURE);
423 }
424
425 require (RSA_blinding_on (rsa_key, 0));
426
427 fclose (f);
428 }
429 else
430 {
431 slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno));
432
433 if (need_keys)
434 exit (EXIT_FAILURE);
435 }
436
437 if (need_keys && ::thisnode
438 && rsa_key && thisnode && thisnode->rsa_key)
439 if (BN_cmp (rsa_key->n, thisnode->rsa_key->n) != 0
440 || BN_cmp (rsa_key->e, thisnode->rsa_key->e) != 0)
441 {
442 slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode);
443 exit (EXIT_FAILURE);
444 }
445
446 free (fname);
447}
448
449char *configuration::config_filename (const char *name, const char *dflt)
450{
451 char *fname;
452
453 asprintf (&fname, name ? name : dflt, ::thisnode);
454
455 if (!ABSOLUTE_PATH (fname))
456 {
457 char *rname = fname;
458 asprintf (&fname, "%s/%s", confbase, rname);
459 free (rname);
460 }
461
462 return fname;
463}
464
465void
466configuration::print ()
467{
468 printf (_("\nConfiguration\n\n"));
469 printf (_("# of nodes: %d\n"), nodes.size ());
470 printf (_("this node: %s\n"), thisnode ? thisnode->nodename : "<unset>");
471 printf (_("MTU: %d\n"), mtu);
472 printf (_("rekeying interval: %d\n"), rekey);
473 printf (_("keepalive interval: %d\n"), keepalive);
474 printf (_("interface: %s\n"), ifname);
475 printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");
476 printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) * 8 : -1);
477 printf ("\n");
478
479 printf ("%4s %-17s %s %-8.8s %-10.10s %s\n",
480 _("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port"));
481
482 for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)
483 (*i)->print ();
484
485 printf ("\n");
486}
487
488configuration::configuration ()
489{
490 asprintf (&confbase, "%s/vpe", CONFDIR);
491
492 init ();
493}
494
495configuration::~configuration ()
496{
497 cleanup ();
498}
499
500

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