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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 1.27 by pcg, Fri Jun 11 15:56:31 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>
38#include <openssl/bn.h>
42 39
43#include "gettext.h" 40#include "gettext.h"
44 41
45#include "conf.h" 42#include "conf.h"
46#include "slog.h" 43#include "slog.h"
47#include "util.h" 44#include "util.h"
48 45
49char *confbase; 46char *confbase;
50char *thisnode; 47char *thisnode;
51char *identname; 48char *identname;
52char *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;
58 if (protset & PROT_DNSv4 ) return PROT_DNSv4;
60 59
61configuration::~configuration ()
62{
63 cleanup ();
64}
65
66void configuration::init ()
67{
68 memset (this, 0, sizeof (*this));
69
70 rekey = DEFAULT_REKEY;
71 keepalive = DEFAULT_KEEPALIVE;
72 llevel = L_INFO;
73 ip_proto = IPPROTO_GRE;
74
75 default_node.udp_port = DEFAULT_UDPPORT;
76 default_node.connectmode = conf_node::C_ALWAYS;
77 default_node.compress = true;
78 default_node.protocols = PROT_UDPv4;
79}
80
81void configuration::cleanup()
82{
83 if (rsa_key)
84 RSA_free (rsa_key);
85
86 free (ifname);
87
88 rsa_key = 0;
89 ifname = 0;
90}
91
92void
93configuration::clear_config ()
94{
95 for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)
96 delete *i;
97
98 nodes.clear ();
99
100 cleanup ();
101 init ();
102}
103
104#define parse_bool(target,name,trueval,falseval) \
105 if (!strcmp (val, "yes")) target = trueval; \
106 else if (!strcmp (val, "no")) target = falseval; \
107 else if (!strcmp (val, "true")) target = trueval; \
108 else if (!strcmp (val, "false")) target = falseval; \
109 else if (!strcmp (val, "on")) target = trueval; \
110 else if (!strcmp (val, "off")) target = falseval; \
111 else \
112 slog (L_WARN, \
113 _("illegal value for '%s', only 'yes|true|on' or 'no|false|off' allowed, at '%s' line %d"), \
114 name, var, fname, lineno);
115
116void configuration::read_config (bool need_keys)
117{
118 char *fname;
119 FILE *f;
120
121 clear_config ();
122
123 asprintf (&fname, "%s/vped.conf", confbase);
124 f = fopen (fname, "r");
125
126 if (f)
127 {
128 char line[16384];
129 int lineno = 0;
130 char *var, *val;
131 conf_node *node = &default_node;
132
133 while (fgets (line, sizeof (line), f))
134 {
135 lineno++;
136
137 {
138 char *end = line + strlen (line);
139
140 while (*end < ' ' && end >= line)
141 end--;
142
143 *++end = 0;
144 }
145
146 char *tok = line;
147
148retry:
149 var = strtok (tok, "\t =");
150 tok = 0;
151
152 if (!var || !var[0])
153 continue; /* no tokens on this line */
154
155 if (var[0] == '#')
156 continue; /* comment: ignore */
157
158 val = strtok (NULL, "\t\n\r =");
159
160 if (!val || val[0] == '#')
161 {
162 slog (L_WARN,
163 _("no value for variable `%s', at '%s' line %d"),
164 var, fname, lineno);
165 break;
166 }
167
168 if (!strcmp (var, "on"))
169 {
170 if (!::thisnode
171 || (val[0] == '!' && strcmp (val + 1, ::thisnode))
172 || !strcmp (val, ::thisnode))
173 goto retry;
174
175 continue;
176 }
177
178 // truly global
179 if (!strcmp (var, "loglevel"))
180 {
181 loglevel l = string_to_loglevel (val);
182
183 if (l != L_NONE)
184 llevel = l;
185 else
186 slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line);
187 }
188 else if (!strcmp (var, "ip-proto"))
189 ip_proto = atoi (val);
190
191 // per config
192 else if (!strcmp (var, "node"))
193 {
194 default_node.id++;
195
196 node = new conf_node (default_node);
197
198 nodes.push_back (node);
199
200 node->nodename = strdup (val);
201
202 {
203 char *fname;
204 FILE *f;
205
206 asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
207
208 f = fopen (fname, "r");
209 if (f)
210 {
211 node->rsa_key = RSA_new ();
212
213 if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
214 {
215 ERR_load_RSA_strings (); ERR_load_PEM_strings ();
216 slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
217 exit (1);
218 }
219
220 RSA_blinding_on (node->rsa_key, 0);
221
222 fclose (f);
223 }
224 else
225 {
226 slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
227
228 if (need_keys)
229 exit (1);
230 }
231
232 free (fname);
233 }
234
235 if (!::thisnode || !strcmp (node->nodename, ::thisnode))
236 thisnode = node;
237 }
238 else if (!strcmp (var, "private-key"))
239 prikeyfile = strdup (val);
240 else if (!strcmp (var, "ifpersist"))
241 {
242 parse_bool (ifpersist, "ifpersist", true, false);
243 }
244 else if (!strcmp (var, "ifname"))
245 ifname = strdup (val);
246 else if (!strcmp (var, "rekey"))
247 rekey = atoi (val);
248 else if (!strcmp (var, "keepalive"))
249 keepalive = atoi (val);
250 else if (!strcmp (var, "mtu"))
251 mtu = atoi (val);
252 else if (!strcmp (var, "if-up"))
253 script_if_up = strdup (val);
254 else if (!strcmp (var, "node-up"))
255 script_node_up = strdup (val);
256 else if (!strcmp (var, "node-down"))
257 script_node_down = strdup (val);
258
259 /* node-specific, non-defaultable */
260 else if (node != &default_node && !strcmp (var, "hostname"))
261 {
262 free (node->hostname);
263 node->hostname = strdup (val);
264 }
265
266 /* node-specific, defaultable */
267 else if (!strcmp (var, "udp-port"))
268 node->udp_port = atoi (val);
269 else if (!strcmp (var, "router-priority"))
270 node->routerprio = atoi (val);
271 else if (!strcmp (var, "connect"))
272 {
273 if (!strcmp (val, "ondemand"))
274 node->connectmode = conf_node::C_ONDEMAND;
275 else if (!strcmp (val, "never"))
276 node->connectmode = conf_node::C_NEVER;
277 else if (!strcmp (val, "always"))
278 node->connectmode = conf_node::C_ALWAYS;
279 else if (!strcmp (val, "disabled"))
280 node->connectmode = conf_node::C_DISABLED;
281 else
282 slog (L_WARN,
283 _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d"),
284 var, fname, lineno);
285 }
286 else if (!strcmp (var, "inherit-tos"))
287 {
288 parse_bool (node->inherit_tos, "inherit-tos", true, false);
289 }
290 else if (!strcmp (var, "compress"))
291 {
292 parse_bool (node->compress, "compress", true, false);
293 }
294 // all these bool options really really cost a lot of executable size!
295 else if (!strcmp (var, "enable-udp"))
296 {
297 u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) | v;
298 }
299 else if (!strcmp (var, "enable-rawip"))
300 {
301 u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) | v;
302 }
303
304 // unknown or misplaced
305 else
306 {
307 slog (L_WARN,
308 _("unknown or misplaced variable `%s', at '%s' line %d"),
309 var, fname, lineno);
310 }
311 }
312
313 fclose (f);
314 }
315 else
316 {
317 slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
318 exit (1);
319 }
320
321 free (fname);
322
323 fname = config_filename (prikeyfile, "hostkey");
324
325 f = fopen (fname, "r");
326 if (f)
327 {
328 rsa_key = RSA_new ();
329
330 if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL))
331 {
332 ERR_load_RSA_strings (); ERR_load_PEM_strings ();
333 slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
334 exit (1);
335 }
336
337 RSA_blinding_on (rsa_key, 0);
338
339 fclose (f);
340 }
341 else
342 {
343 slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno));
344
345 if (need_keys)
346 exit (1);
347 }
348
349 free (fname);
350}
351
352char *configuration::config_filename (const char *name, const char *dflt)
353{
354 char *fname;
355
356 asprintf (&fname, name ? name : dflt, ::thisnode);
357
358 if (!ABSOLUTE_PATH (fname))
359 {
360 char *rname = fname;
361 asprintf (&fname, "%s/%s", confbase, rname);
362 free (rname);
363 }
364
365 return fname; 60 return 0;
366} 61}
367 62
368void 63const char *strprotocol (u8 protocol)
369configuration::print ()
370{ 64{
371 printf (_("\nConfiguration\n\n")); 65 if (protocol & PROT_IPv4 ) return "rawip";
372 printf (_("# of nodes: %d\n"), nodes.size ()); 66 if (protocol & PROT_ICMPv4) return "icmp";
373 printf (_("this node: %s\n"), thisnode ? thisnode->nodename : "<unset>"); 67 if (protocol & PROT_UDPv4 ) return "udp";
374 printf (_("MTU: %d\n"), mtu); 68 if (protocol & PROT_TCPv4 ) return "tcp";
375 printf (_("rekeying interval: %d\n"), rekey); 69 if (protocol & PROT_DNSv4 ) return "dns";
376 printf (_("keepalive interval: %d\n"), keepalive);
377 printf (_("interface: %s\n"), ifname);
378 printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");
379 printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) : -1);
380 printf ("\n");
381 70
382 printf ("%4s %-17s %s %-8.8s %-10.10s %s\n", 71 return "<unknown>";
383 _("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port"));
384
385 for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)
386 (*i)->print ();
387
388 printf ("\n");
389} 72}
390 73
391void 74void
392conf_node::print () 75conf_node::print ()
393{ 76{
… …
403 hostname ? ":" : "", 86 hostname ? ":" : "",
404 hostname ? udp_port : 0 87 hostname ? udp_port : 0
405 ); 88 );
406} 89}
407 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 default_node.max_retry = DEFAULT_MAX_RETRY;
119
120 conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid");
121}
122
123void configuration::cleanup()
124{
125 if (rsa_key)
126 RSA_free (rsa_key);
127
128 rsa_key = 0;
129
130 free (pidfilename); pidfilename = 0;
131 free (ifname); ifname = 0;
132#if ENABLE_HTTP_PROXY
133 free (proxy_host); proxy_host = 0;
134 free (proxy_auth); proxy_auth = 0;
135#endif
136}
137
138void
139configuration::clear_config ()
140{
141 for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i)
142 delete *i;
143
144 nodes.clear ();
145
146 cleanup ();
147 init ();
148}
149
150#define parse_bool(target,name,trueval,falseval) \
151 if (!strcmp (val, "yes")) target = trueval; \
152 else if (!strcmp (val, "no")) target = falseval; \
153 else if (!strcmp (val, "true")) target = trueval; \
154 else if (!strcmp (val, "false")) target = falseval; \
155 else if (!strcmp (val, "on")) target = trueval; \
156 else if (!strcmp (val, "off")) target = falseval; \
157 else \
158 slog (L_WARN, \
159 _("illegal value for '%s', only 'yes|true|on' or 'no|false|off' allowed, at '%s' line %d"), \
160 name, var, fname, lineno);
161
162void configuration::read_config (bool need_keys)
163{
164 char *fname;
165 FILE *f;
166
167 clear_config ();
168
169 asprintf (&fname, "%s/gvpe.conf", confbase);
170 f = fopen (fname, "r");
171
172 if (f)
173 {
174 char line[16384];
175 int lineno = 0;
176 char *var, *val;
177 conf_node *node = &default_node;
178
179 while (fgets (line, sizeof (line), f))
180 {
181 lineno++;
182
183 {
184 char *end = line + strlen (line);
185
186 while (*end < ' ' && end >= line)
187 end--;
188
189 *++end = 0;
190 }
191
192 char *tok = line;
193
194retry:
195 var = strtok (tok, "\t =");
196 tok = 0;
197
198 if (!var || !var[0])
199 continue; /* no tokens on this line */
200
201 if (var[0] == '#')
202 continue; /* comment: ignore */
203
204 val = strtok (NULL, "\t\n\r =");
205
206 if (!val || val[0] == '#')
207 {
208 slog (L_WARN,
209 _("no value for variable `%s', at '%s' line %d"),
210 var, fname, lineno);
211 break;
212 }
213
214 if (!strcmp (var, "on"))
215 {
216 if (!::thisnode
217 || (val[0] == '!' && strcmp (val + 1, ::thisnode))
218 || !strcmp (val, ::thisnode))
219 goto retry;
220
221 continue;
222 }
223
224 // truly global
225 if (!strcmp (var, "loglevel"))
226 {
227 loglevel l = string_to_loglevel (val);
228
229 if (l != L_NONE)
230 llevel = l;
231 else
232 slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line);
233 }
234 else if (!strcmp (var, "ip-proto"))
235 ip_proto = atoi (val);
236 else if (!strcmp (var, "icmp-type"))
237 {
238#if ENABLE_ICMP
239 icmp_type = atoi (val);
240#endif
241 }
242
243 // per config
244 else if (!strcmp (var, "node"))
245 {
246 default_node.id++;
247
248 node = new conf_node (default_node);
249
250 nodes.push_back (node);
251
252 node->nodename = strdup (val);
253
254 {
255 char *fname;
256 FILE *f;
257
258 asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename);
259
260 f = fopen (fname, "r");
261 if (f)
262 {
263 node->rsa_key = RSA_new ();
264
265 if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL))
266 {
267 ERR_load_RSA_strings (); ERR_load_PEM_strings ();
268 slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
269 exit (EXIT_FAILURE);
270 }
271
272 require (RSA_blinding_on (node->rsa_key, 0));
273
274 fclose (f);
275 }
276 else
277 {
278 slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno));
279
280 if (need_keys)
281 exit (EXIT_FAILURE);
282 }
283
284 free (fname);
285 }
286
287 if (::thisnode && !strcmp (node->nodename, ::thisnode))
288 thisnode = node;
289 }
290 else if (!strcmp (var, "private-key"))
291 free (prikeyfile), prikeyfile = strdup (val);
292 else if (!strcmp (var, "ifpersist"))
293 {
294 parse_bool (ifpersist, "ifpersist", true, false);
295 }
296 else if (!strcmp (var, "ifname"))
297 free (ifname), ifname = strdup (val);
298 else if (!strcmp (var, "rekey"))
299 rekey = atoi (val);
300 else if (!strcmp (var, "keepalive"))
301 keepalive = atoi (val);
302 else if (!strcmp (var, "mtu"))
303 mtu = atoi (val);
304 else if (!strcmp (var, "if-up"))
305 free (script_if_up), script_if_up = strdup (val);
306 else if (!strcmp (var, "node-up"))
307 free (script_node_up), script_node_up = strdup (val);
308 else if (!strcmp (var, "node-down"))
309 free (script_node_down), script_node_down = strdup (val);
310 else if (!strcmp (var, "pid-file"))
311 free (pidfilename), pidfilename = strdup (val);
312 else if (!strcmp (var, "http-proxy-host"))
313 {
314#if ENABLE_HTTP_PROXY
315 free (proxy_host), proxy_host = strdup (val);
316#endif
317 }
318 else if (!strcmp (var, "http-proxy-port"))
319 {
320#if ENABLE_HTTP_PROXY
321 proxy_port = atoi (val);
322#endif
323 }
324 else if (!strcmp (var, "http-proxy-auth"))
325 {
326#if ENABLE_HTTP_PROXY
327 proxy_auth = (char *)base64_encode ((const u8 *)val, strlen (val));
328#endif
329 }
330
331 /* node-specific, non-defaultable */
332 else if (node != &default_node && !strcmp (var, "hostname"))
333 free (node->hostname), node->hostname = strdup (val);
334
335 /* node-specific, defaultable */
336 else if (!strcmp (var, "udp-port"))
337 node->udp_port = atoi (val);
338 else if (!strcmp (var, "tcp-port"))
339 node->tcp_port = atoi (val);
340 else if (!strcmp (var, "dns-port"))
341 node->dns_port = atoi (val);
342 else if (!strcmp (var, "router-priority"))
343 node->routerprio = atoi (val);
344 else if (!strcmp (var, "max-retry"))
345 node->max_retry = atoi (val);
346 else if (!strcmp (var, "connect"))
347 {
348 if (!strcmp (val, "ondemand"))
349 node->connectmode = conf_node::C_ONDEMAND;
350 else if (!strcmp (val, "never"))
351 node->connectmode = conf_node::C_NEVER;
352 else if (!strcmp (val, "always"))
353 node->connectmode = conf_node::C_ALWAYS;
354 else if (!strcmp (val, "disabled"))
355 node->connectmode = conf_node::C_DISABLED;
356 else
357 slog (L_WARN,
358 _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d"),
359 var, fname, lineno);
360 }
361 else if (!strcmp (var, "inherit-tos"))
362 {
363 parse_bool (node->inherit_tos, "inherit-tos", true, false);
364 }
365 else if (!strcmp (var, "compress"))
366 {
367 parse_bool (node->compress, "compress", true, false);
368 }
369 // all these bool options really really cost a lot of executable size!
370 else if (!strcmp (var, "enable-tcp"))
371 {
372#if ENABLE_TCP
373 u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) | v;
374#endif
375 }
376 else if (!strcmp (var, "enable-icmp"))
377 {
378#if ENABLE_ICMP
379 u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) | v;
380#endif
381 }
382 else if (!strcmp (var, "enable-dns"))
383 {
384#if ENABLE_DNS
385 u8 v; parse_bool (v, "enable-dns" , PROT_DNSv4, 0); node->protocols = (node->protocols & ~PROT_DNSv4) | v;
386#endif
387 }
388 else if (!strcmp (var, "enable-udp"))
389 {
390 u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) | v;
391 }
392 else if (!strcmp (var, "enable-rawip"))
393 {;
394 u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) | v;
395 }
396
397 // unknown or misplaced
398 else
399 slog (L_WARN,
400 _("unknown or misplaced variable `%s', at '%s' line %d"),
401 var, fname, lineno);
402 }
403
404 fclose (f);
405 }
406 else
407 {
408 slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno));
409 exit (EXIT_FAILURE);
410 }
411
412 free (fname);
413
414 fname = config_filename (prikeyfile, "hostkey");
415
416 f = fopen (fname, "r");
417 if (f)
418 {
419 rsa_key = RSA_new ();
420
421 if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL))
422 {
423 ERR_load_RSA_strings (); ERR_load_PEM_strings ();
424 slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0));
425 exit (EXIT_FAILURE);
426 }
427
428 require (RSA_blinding_on (rsa_key, 0));
429
430 fclose (f);
431 }
432 else
433 {
434 slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno));
435
436 if (need_keys)
437 exit (EXIT_FAILURE);
438 }
439
440 if (need_keys && ::thisnode
441 && rsa_key && thisnode && thisnode->rsa_key)
442 if (BN_cmp (rsa_key->n, thisnode->rsa_key->n) != 0
443 || BN_cmp (rsa_key->e, thisnode->rsa_key->e) != 0)
444 {
445 slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode);
446 exit (EXIT_FAILURE);
447 }
448
449 free (fname);
450}
451
452char *configuration::config_filename (const char *name, const char *dflt)
453{
454 char *fname;
455
456 asprintf (&fname, name ? name : dflt, ::thisnode);
457
458 if (!ABSOLUTE_PATH (fname))
459 {
460 char *rname = fname;
461 asprintf (&fname, "%s/%s", confbase, rname);
462 free (rname);
463 }
464
465 return fname;
466}
467
468void
469configuration::print ()
470{
471 printf (_("\nConfiguration\n\n"));
472 printf (_("# of nodes: %d\n"), nodes.size ());
473 printf (_("this node: %s\n"), thisnode ? thisnode->nodename : "<unset>");
474 printf (_("MTU: %d\n"), mtu);
475 printf (_("rekeying interval: %d\n"), rekey);
476 printf (_("keepalive interval: %d\n"), keepalive);
477 printf (_("interface: %s\n"), ifname);
478 printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>");
479 printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) * 8 : -1);
480 printf ("\n");
481
482 printf ("%4s %-17s %s %-8.8s %-10.10s %s\n",
483 _("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port"));
484
485 for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i)
486 (*i)->print ();
487
488 printf ("\n");
489}
490
491configuration::configuration ()
492{
493 asprintf (&confbase, "%s/gvpe", CONFDIR);
494
495 init ();
496}
497
498configuration::~configuration ()
499{
500 cleanup ();
501}
502
503

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