1 | /* |
1 | /* |
2 | conf.c -- configuration code |
2 | conf.c -- configuration code |
3 | Copyright (C) 1998 Robert van der Meulen |
3 | Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de> |
4 | 1998-2002 Ivo Timmermans <ivo@o2w.nl> |
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5 | 2000-2002 Guus Sliepen <guus@sliepen.eu.org> |
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6 | 2000 Cris van Pelt <tribbel@arise.dhs.org> |
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7 | 2003 Marc Lehmann <pcg@goof.com> |
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8 | |
4 | |
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5 | This file is part of GVPE. |
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6 | |
9 | This program is free software; you can redistribute it and/or modify |
7 | GVPE is free software; you can redistribute it and/or modify |
10 | 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 |
11 | the Free Software Foundation; either version 2 of the License, or |
9 | the Free Software Foundation; either version 2 of the License, or |
12 | (at your option) any later version. |
10 | (at your option) any later version. |
13 | |
11 | |
14 | 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, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
17 | GNU General Public License for more details. |
15 | GNU General Public License for more details. |
18 | |
16 | |
19 | 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 |
20 | along with this program; if not, write to the Free Software |
18 | along with gvpe; if not, write to the Free Software |
21 | Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
19 | Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
22 | */ |
20 | */ |
23 | |
21 | |
24 | #include "config.h" |
22 | #include "config.h" |
25 | |
23 | |
… | |
… | |
31 | #include <netdb.h> |
29 | #include <netdb.h> |
32 | #include <sys/stat.h> |
30 | #include <sys/stat.h> |
33 | #include <sys/types.h> |
31 | #include <sys/types.h> |
34 | #include <unistd.h> |
32 | #include <unistd.h> |
35 | |
33 | |
36 | #include <netinet/in.h> |
34 | #include "netcompat.h" |
37 | |
35 | |
38 | #include <openssl/err.h> |
36 | #include <openssl/err.h> |
39 | #include <openssl/pem.h> |
37 | #include <openssl/pem.h> |
40 | #include <openssl/rsa.h> |
38 | #include <openssl/rsa.h> |
41 | #include <openssl/rand.h> |
39 | #include <openssl/rand.h> |
42 | |
40 | #include <openssl/bn.h> |
43 | #include "gettext.h" |
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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 | |
49 | char *confbase; |
46 | char *confbase; |
50 | char *thisnode; |
47 | char *thisnode; |
51 | char *identname; |
48 | char *identname; |
52 | char *pidfilename; |
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53 | |
49 | |
54 | struct configuration conf; |
50 | struct configuration conf; |
55 | |
51 | |
56 | u8 best_protocol (u8 protset) |
52 | u8 best_protocol (u8 protset) |
57 | { |
53 | { |
58 | if (protset & PROT_IPv4 ) return PROT_IPv4; |
54 | if (protset & PROT_IPv4 ) return PROT_IPv4; |
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55 | if (protset & PROT_ICMPv4) return PROT_ICMPv4; |
59 | if (protset & PROT_UDPv4) return PROT_UDPv4; |
56 | if (protset & PROT_UDPv4 ) return PROT_UDPv4; |
60 | if (protset & PROT_TCPv4) return PROT_TCPv4; |
57 | if (protset & PROT_TCPv4 ) return PROT_TCPv4; |
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58 | if (protset & PROT_DNSv4 ) return PROT_DNSv4; |
61 | |
59 | |
62 | return 0; |
60 | return 0; |
63 | } |
61 | } |
64 | |
62 | |
65 | const char *strprotocol (u8 protocol) |
63 | const char *strprotocol (u8 protocol) |
66 | { |
64 | { |
67 | if (protocol & PROT_IPv4 ) return "rawip"; |
65 | if (protocol & PROT_IPv4 ) return "rawip"; |
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66 | if (protocol & PROT_ICMPv4) return "icmp"; |
68 | if (protocol & PROT_UDPv4) return "udp"; |
67 | if (protocol & PROT_UDPv4 ) return "udp"; |
69 | if (protocol & PROT_TCPv4) return "tcp"; |
68 | if (protocol & PROT_TCPv4 ) return "tcp"; |
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69 | if (protocol & PROT_DNSv4 ) return "dns"; |
70 | |
70 | |
71 | return "<unknown>"; |
71 | return "<unknown>"; |
72 | } |
72 | } |
73 | |
73 | |
74 | void |
74 | void |
… | |
… | |
93 | if (rsa_key) |
93 | if (rsa_key) |
94 | RSA_free (rsa_key); |
94 | RSA_free (rsa_key); |
95 | |
95 | |
96 | free (nodename); |
96 | free (nodename); |
97 | free (hostname); |
97 | free (hostname); |
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98 | #if ENABLE_DNS |
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99 | free (domain); |
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100 | free (dns_hostname); |
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101 | #endif |
98 | } |
102 | } |
99 | |
103 | |
100 | void configuration::init () |
104 | void configuration::init () |
101 | { |
105 | { |
102 | memset (this, 0, sizeof (*this)); |
106 | memset (this, 0, sizeof (*this)); |
103 | |
107 | |
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108 | mtu = DEFAULT_MTU; |
104 | rekey = DEFAULT_REKEY; |
109 | rekey = DEFAULT_REKEY; |
105 | keepalive = DEFAULT_KEEPALIVE; |
110 | keepalive = DEFAULT_KEEPALIVE; |
106 | llevel = L_INFO; |
111 | llevel = L_INFO; |
107 | ip_proto = IPPROTO_GRE; |
112 | ip_proto = IPPROTO_GRE; |
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113 | #if ENABLE_ICMP |
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114 | icmp_type = ICMP_ECHOREPLY; |
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115 | #endif |
108 | |
116 | |
109 | default_node.udp_port = DEFAULT_UDPPORT; |
117 | default_node.udp_port = DEFAULT_UDPPORT; |
110 | default_node.tcp_port = DEFAULT_UDPPORT; |
118 | default_node.tcp_port = DEFAULT_UDPPORT; // ehrm |
111 | default_node.connectmode = conf_node::C_ALWAYS; |
119 | default_node.connectmode = conf_node::C_ALWAYS; |
112 | default_node.compress = true; |
120 | default_node.compress = true; |
113 | default_node.protocols = PROT_UDPv4; |
121 | default_node.protocols = 0; |
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122 | default_node.max_retry = DEFAULT_MAX_RETRY; |
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123 | |
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124 | #if ENABLE_DNS |
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125 | default_node.dns_port = 0; // default is 0 == client |
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126 | |
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127 | dns_forw_host = strdup ("127.0.0.1"); |
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128 | dns_forw_port = 53; |
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129 | dns_timeout_factor = DEFAULT_DNS_TIMEOUT_FACTOR; |
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130 | dns_send_interval = DEFAULT_DNS_SEND_INTERVAL; |
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131 | dns_overlap_factor = DEFAULT_DNS_OVERLAP_FACTOR; |
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132 | dns_max_outstanding = DEFAULT_DNS_MAX_OUTSTANDING; |
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133 | #endif |
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134 | |
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135 | conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid"); |
114 | } |
136 | } |
115 | |
137 | |
116 | void configuration::cleanup() |
138 | void configuration::cleanup() |
117 | { |
139 | { |
118 | if (rsa_key) |
140 | if (rsa_key) |
119 | RSA_free (rsa_key); |
141 | RSA_free (rsa_key); |
120 | |
142 | |
121 | rsa_key = 0; |
143 | rsa_key = 0; |
122 | |
144 | |
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145 | free (pidfilename); pidfilename = 0; |
123 | free (ifname); ifname = 0; |
146 | free (ifname); ifname = 0; |
124 | #if ENABLE_HTTP_PROXY |
147 | #if ENABLE_HTTP_PROXY |
125 | free (proxy_host); proxy_host = 0; |
148 | free (proxy_host); proxy_host = 0; |
126 | free (proxy_auth); proxy_auth = 0; |
149 | free (proxy_auth); proxy_auth = 0; |
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150 | #endif |
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151 | #if ENABLE_DNS |
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152 | free (dns_forw_host); dns_forw_host = 0; |
127 | #endif |
153 | #endif |
128 | } |
154 | } |
129 | |
155 | |
130 | void |
156 | void |
131 | configuration::clear_config () |
157 | configuration::clear_config () |
… | |
… | |
137 | |
163 | |
138 | cleanup (); |
164 | cleanup (); |
139 | init (); |
165 | init (); |
140 | } |
166 | } |
141 | |
167 | |
142 | #define parse_bool(target,name,trueval,falseval) \ |
168 | #define parse_bool(target,name,trueval,falseval) do { \ |
143 | if (!strcmp (val, "yes")) target = trueval; \ |
169 | if (!strcmp (val, "yes")) target = trueval; \ |
144 | else if (!strcmp (val, "no")) target = falseval; \ |
170 | else if (!strcmp (val, "no")) target = falseval; \ |
145 | else if (!strcmp (val, "true")) target = trueval; \ |
171 | else if (!strcmp (val, "true")) target = trueval; \ |
146 | else if (!strcmp (val, "false")) target = falseval; \ |
172 | else if (!strcmp (val, "false")) target = falseval; \ |
147 | else if (!strcmp (val, "on")) target = trueval; \ |
173 | else if (!strcmp (val, "on")) target = trueval; \ |
148 | else if (!strcmp (val, "off")) target = falseval; \ |
174 | else if (!strcmp (val, "off")) target = falseval; \ |
149 | else \ |
175 | else \ |
150 | slog (L_WARN, \ |
176 | slog (L_WARN, \ |
151 | _("illegal value for '%s', only 'yes|true|on' or 'no|false|off' allowed, at '%s' line %d"), \ |
177 | _("illegal value for '%s', only 'yes|true|on' or 'no|false|off' allowed, at '%s' line %d"), \ |
152 | name, var, fname, lineno); |
178 | name, var, fname, lineno); \ |
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179 | } while (0) |
153 | |
180 | |
154 | void configuration::read_config (bool need_keys) |
181 | void configuration::read_config (bool need_keys) |
155 | { |
182 | { |
156 | char *fname; |
183 | char *fname; |
157 | FILE *f; |
184 | FILE *f; |
158 | |
185 | |
159 | clear_config (); |
186 | clear_config (); |
160 | |
187 | |
161 | asprintf (&fname, "%s/vped.conf", confbase); |
188 | asprintf (&fname, "%s/gvpe.conf", confbase); |
162 | f = fopen (fname, "r"); |
189 | f = fopen (fname, "r"); |
163 | |
190 | |
164 | if (f) |
191 | if (f) |
165 | { |
192 | { |
166 | char line[16384]; |
193 | char line[16384]; |
… | |
… | |
196 | val = strtok (NULL, "\t\n\r ="); |
223 | val = strtok (NULL, "\t\n\r ="); |
197 | |
224 | |
198 | if (!val || val[0] == '#') |
225 | if (!val || val[0] == '#') |
199 | { |
226 | { |
200 | slog (L_WARN, |
227 | slog (L_WARN, |
201 | _("no value for variable `%s', at '%s' line %d"), |
228 | _("no value for variable `%s', at '%s' line %d, skipping."), |
202 | var, fname, lineno); |
229 | var, fname, lineno); |
203 | break; |
230 | continue; |
204 | } |
231 | } |
205 | |
232 | |
206 | if (!strcmp (var, "on")) |
233 | if (!strcmp (var, "on")) |
207 | { |
234 | { |
208 | if (!::thisnode |
235 | if (!::thisnode |
… | |
… | |
223 | else |
250 | else |
224 | slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line); |
251 | slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line); |
225 | } |
252 | } |
226 | else if (!strcmp (var, "ip-proto")) |
253 | else if (!strcmp (var, "ip-proto")) |
227 | ip_proto = atoi (val); |
254 | ip_proto = atoi (val); |
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255 | else if (!strcmp (var, "icmp-type")) |
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256 | { |
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257 | #if ENABLE_ICMP |
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258 | icmp_type = atoi (val); |
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259 | #endif |
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260 | } |
228 | |
261 | |
229 | // per config |
262 | // per config |
230 | else if (!strcmp (var, "node")) |
263 | else if (!strcmp (var, "node")) |
231 | { |
264 | { |
232 | default_node.id++; |
265 | default_node.id++; |
… | |
… | |
250 | |
283 | |
251 | if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL)) |
284 | if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL)) |
252 | { |
285 | { |
253 | ERR_load_RSA_strings (); ERR_load_PEM_strings (); |
286 | ERR_load_RSA_strings (); ERR_load_PEM_strings (); |
254 | slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0)); |
287 | slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0)); |
255 | exit (1); |
288 | exit (EXIT_FAILURE); |
256 | } |
289 | } |
257 | |
290 | |
258 | RSA_blinding_on (node->rsa_key, 0); |
291 | require (RSA_blinding_on (node->rsa_key, 0)); |
259 | |
292 | |
260 | fclose (f); |
293 | fclose (f); |
261 | } |
294 | } |
262 | else |
295 | else |
263 | { |
296 | { |
264 | slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno)); |
297 | slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno)); |
265 | |
298 | |
266 | if (need_keys) |
299 | if (need_keys) |
267 | exit (1); |
300 | exit (EXIT_FAILURE); |
268 | } |
301 | } |
269 | |
302 | |
270 | free (fname); |
303 | free (fname); |
271 | } |
304 | } |
272 | |
305 | |
273 | if (!::thisnode || !strcmp (node->nodename, ::thisnode)) |
306 | if (::thisnode && !strcmp (node->nodename, ::thisnode)) |
274 | thisnode = node; |
307 | thisnode = node; |
275 | } |
308 | } |
276 | else if (!strcmp (var, "private-key")) |
309 | else if (!strcmp (var, "private-key")) |
277 | prikeyfile = strdup (val); |
310 | free (prikeyfile), prikeyfile = strdup (val); |
278 | else if (!strcmp (var, "ifpersist")) |
311 | else if (!strcmp (var, "ifpersist")) |
279 | { |
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280 | parse_bool (ifpersist, "ifpersist", true, false); |
312 | parse_bool (ifpersist, "ifpersist", true, false); |
281 | } |
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282 | else if (!strcmp (var, "ifname")) |
313 | else if (!strcmp (var, "ifname")) |
283 | ifname = strdup (val); |
314 | free (ifname), ifname = strdup (val); |
284 | else if (!strcmp (var, "rekey")) |
315 | else if (!strcmp (var, "rekey")) |
285 | rekey = atoi (val); |
316 | rekey = atoi (val); |
286 | else if (!strcmp (var, "keepalive")) |
317 | else if (!strcmp (var, "keepalive")) |
287 | keepalive = atoi (val); |
318 | keepalive = atoi (val); |
288 | else if (!strcmp (var, "mtu")) |
319 | else if (!strcmp (var, "mtu")) |
289 | mtu = atoi (val); |
320 | mtu = atoi (val); |
290 | else if (!strcmp (var, "if-up")) |
321 | else if (!strcmp (var, "if-up")) |
291 | script_if_up = strdup (val); |
322 | free (script_if_up), script_if_up = strdup (val); |
292 | else if (!strcmp (var, "node-up")) |
323 | else if (!strcmp (var, "node-up")) |
293 | script_node_up = strdup (val); |
324 | free (script_node_up), script_node_up = strdup (val); |
294 | else if (!strcmp (var, "node-down")) |
325 | else if (!strcmp (var, "node-down")) |
295 | script_node_down = strdup (val); |
326 | free (script_node_down), script_node_down = strdup (val); |
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327 | else if (!strcmp (var, "pid-file")) |
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328 | free (pidfilename), pidfilename = strdup (val); |
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329 | else if (!strcmp (var, "dns-forw-host")) |
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330 | { |
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331 | #if ENABLE_DNS |
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332 | free (dns_forw_host), dns_forw_host = strdup (val); |
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333 | #endif |
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334 | } |
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335 | else if (!strcmp (var, "dns-forw-port")) |
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336 | { |
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337 | #if ENABLE_DNS |
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338 | dns_forw_port = atoi (val); |
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339 | #endif |
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340 | } |
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341 | else if (!strcmp (var, "dns-timeout-factor")) |
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342 | { |
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343 | #if ENABLE_DNS |
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344 | dns_timeout_factor = atof (val); |
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345 | #endif |
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346 | } |
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347 | else if (!strcmp (var, "dns-send-interval")) |
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348 | { |
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349 | #if ENABLE_DNS |
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350 | dns_send_interval = atoi (val); |
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351 | #endif |
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352 | } |
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353 | else if (!strcmp (var, "dns-overlap-factor")) |
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354 | { |
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355 | #if ENABLE_DNS |
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356 | dns_overlap_factor = atof (val); |
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357 | #endif |
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358 | } |
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359 | else if (!strcmp (var, "dns-max-outstanding")) |
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360 | { |
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361 | #if ENABLE_DNS |
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362 | dns_max_outstanding = atoi (val); |
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363 | #endif |
|
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364 | } |
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365 | else if (!strcmp (var, "http-proxy-host")) |
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366 | { |
296 | #if ENABLE_HTTP_PROXY |
367 | #if ENABLE_HTTP_PROXY |
297 | else if (!strcmp (var, "http-proxy-host")) |
|
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298 | proxy_host = strdup (val); |
368 | free (proxy_host), proxy_host = strdup (val); |
|
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369 | #endif |
|
|
370 | } |
299 | else if (!strcmp (var, "http-proxy-port")) |
371 | else if (!strcmp (var, "http-proxy-port")) |
|
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372 | { |
|
|
373 | #if ENABLE_HTTP_PROXY |
300 | proxy_port = atoi (val); |
374 | proxy_port = atoi (val); |
|
|
375 | #endif |
|
|
376 | } |
301 | else if (!strcmp (var, "http-proxy-auth")) |
377 | else if (!strcmp (var, "http-proxy-auth")) |
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378 | { |
|
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379 | #if ENABLE_HTTP_PROXY |
302 | proxy_auth = (char *)base64_encode ((const u8 *)val, strlen (val)); |
380 | proxy_auth = (char *)base64_encode ((const u8 *)val, strlen (val)); |
303 | #endif |
381 | #endif |
|
|
382 | } |
304 | |
383 | |
305 | /* node-specific, non-defaultable */ |
384 | /* node-specific, non-defaultable */ |
306 | else if (node != &default_node && !strcmp (var, "hostname")) |
385 | else if (node != &default_node && !strcmp (var, "hostname")) |
307 | { |
|
|
308 | free (node->hostname); |
|
|
309 | node->hostname = strdup (val); |
386 | free (node->hostname), node->hostname = strdup (val); |
310 | } |
|
|
311 | |
387 | |
312 | /* node-specific, defaultable */ |
388 | /* node-specific, defaultable */ |
313 | else if (!strcmp (var, "udp-port")) |
389 | else if (!strcmp (var, "udp-port")) |
314 | node->udp_port = atoi (val); |
390 | node->udp_port = atoi (val); |
315 | else if (!strcmp (var, "tcp-port")) |
391 | else if (!strcmp (var, "tcp-port")) |
316 | node->tcp_port = atoi (val); |
392 | node->tcp_port = atoi (val); |
|
|
393 | else if (!strcmp (var, "dns-hostname")) |
|
|
394 | { |
|
|
395 | #if ENABLE_DNS |
|
|
396 | free (node->dns_hostname), node->dns_hostname = strdup (val); |
|
|
397 | #endif |
|
|
398 | } |
|
|
399 | else if (!strcmp (var, "dns-port")) |
|
|
400 | { |
|
|
401 | #if ENABLE_DNS |
|
|
402 | node->dns_port = atoi (val); |
|
|
403 | #endif |
|
|
404 | } |
|
|
405 | else if (!strcmp (var, "dns-domain")) |
|
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406 | { |
|
|
407 | #if ENABLE_DNS |
|
|
408 | free (node->domain), node->domain = strdup (val); |
|
|
409 | #endif |
|
|
410 | } |
317 | else if (!strcmp (var, "router-priority")) |
411 | else if (!strcmp (var, "router-priority")) |
318 | node->routerprio = atoi (val); |
412 | node->routerprio = atoi (val); |
|
|
413 | else if (!strcmp (var, "max-retry")) |
|
|
414 | node->max_retry = atoi (val); |
319 | else if (!strcmp (var, "connect")) |
415 | else if (!strcmp (var, "connect")) |
320 | { |
416 | { |
321 | if (!strcmp (val, "ondemand")) |
417 | if (!strcmp (val, "ondemand")) |
322 | node->connectmode = conf_node::C_ONDEMAND; |
418 | node->connectmode = conf_node::C_ONDEMAND; |
323 | else if (!strcmp (val, "never")) |
419 | else if (!strcmp (val, "never")) |
… | |
… | |
326 | node->connectmode = conf_node::C_ALWAYS; |
422 | node->connectmode = conf_node::C_ALWAYS; |
327 | else if (!strcmp (val, "disabled")) |
423 | else if (!strcmp (val, "disabled")) |
328 | node->connectmode = conf_node::C_DISABLED; |
424 | node->connectmode = conf_node::C_DISABLED; |
329 | else |
425 | else |
330 | slog (L_WARN, |
426 | slog (L_WARN, |
331 | _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d"), |
427 | _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d, ignoring."), |
332 | var, fname, lineno); |
428 | var, fname, lineno); |
333 | } |
429 | } |
334 | else if (!strcmp (var, "inherit-tos")) |
430 | else if (!strcmp (var, "inherit-tos")) |
335 | { |
|
|
336 | parse_bool (node->inherit_tos, "inherit-tos", true, false); |
431 | parse_bool (node->inherit_tos, "inherit-tos", true, false); |
337 | } |
|
|
338 | else if (!strcmp (var, "compress")) |
432 | else if (!strcmp (var, "compress")) |
339 | { |
|
|
340 | parse_bool (node->compress, "compress", true, false); |
433 | parse_bool (node->compress, "compress", true, false); |
341 | } |
|
|
342 | // all these bool options really really cost a lot of executable size! |
434 | // all these bool options really really cost a lot of executable size! |
343 | else if (!strcmp (var, "enable-tcp")) |
435 | else if (!strcmp (var, "enable-tcp")) |
344 | { |
436 | { |
345 | #if ENABLE_TCP |
437 | #if ENABLE_TCP |
346 | u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) | v; |
438 | u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) | v; |
|
|
439 | #endif |
|
|
440 | } |
|
|
441 | else if (!strcmp (var, "enable-icmp")) |
|
|
442 | { |
|
|
443 | #if ENABLE_ICMP |
|
|
444 | u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) | v; |
|
|
445 | #endif |
|
|
446 | } |
|
|
447 | else if (!strcmp (var, "enable-dns")) |
|
|
448 | { |
|
|
449 | #if ENABLE_DNS |
|
|
450 | u8 v; parse_bool (v, "enable-dns" , PROT_DNSv4, 0); node->protocols = (node->protocols & ~PROT_DNSv4) | v; |
347 | #endif |
451 | #endif |
348 | } |
452 | } |
349 | else if (!strcmp (var, "enable-udp")) |
453 | else if (!strcmp (var, "enable-udp")) |
350 | { |
454 | { |
351 | u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) | v; |
455 | u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) | v; |
… | |
… | |
356 | } |
460 | } |
357 | |
461 | |
358 | // unknown or misplaced |
462 | // unknown or misplaced |
359 | else |
463 | else |
360 | slog (L_WARN, |
464 | slog (L_WARN, |
361 | _("unknown or misplaced variable `%s', at '%s' line %d"), |
465 | _("unknown or misplaced variable `%s', at '%s' line %d, skipping."), |
362 | var, fname, lineno); |
466 | var, fname, lineno); |
363 | } |
467 | } |
364 | |
468 | |
365 | fclose (f); |
469 | fclose (f); |
366 | } |
470 | } |
367 | else |
471 | else |
368 | { |
472 | { |
369 | slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno)); |
473 | slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno)); |
370 | exit (1); |
474 | exit (EXIT_FAILURE); |
371 | } |
475 | } |
372 | |
476 | |
373 | free (fname); |
477 | free (fname); |
374 | |
478 | |
375 | fname = config_filename (prikeyfile, "hostkey"); |
479 | fname = config_filename (prikeyfile, "hostkey"); |
… | |
… | |
381 | |
485 | |
382 | if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL)) |
486 | if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL)) |
383 | { |
487 | { |
384 | ERR_load_RSA_strings (); ERR_load_PEM_strings (); |
488 | ERR_load_RSA_strings (); ERR_load_PEM_strings (); |
385 | slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0)); |
489 | slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0)); |
386 | exit (1); |
490 | exit (EXIT_FAILURE); |
387 | } |
491 | } |
388 | |
492 | |
389 | RSA_blinding_on (rsa_key, 0); |
493 | require (RSA_blinding_on (rsa_key, 0)); |
390 | |
494 | |
391 | fclose (f); |
495 | fclose (f); |
392 | } |
496 | } |
393 | else |
497 | else |
394 | { |
498 | { |
395 | slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno)); |
499 | slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno)); |
396 | |
500 | |
397 | if (need_keys) |
501 | if (need_keys) |
398 | exit (1); |
502 | exit (EXIT_FAILURE); |
399 | } |
503 | } |
|
|
504 | |
|
|
505 | if (need_keys && ::thisnode |
|
|
506 | && rsa_key && thisnode && thisnode->rsa_key) |
|
|
507 | if (BN_cmp (rsa_key->n, thisnode->rsa_key->n) != 0 |
|
|
508 | || BN_cmp (rsa_key->e, thisnode->rsa_key->e) != 0) |
|
|
509 | { |
|
|
510 | slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode); |
|
|
511 | exit (EXIT_FAILURE); |
|
|
512 | } |
400 | |
513 | |
401 | free (fname); |
514 | free (fname); |
402 | } |
515 | } |
403 | |
516 | |
404 | char *configuration::config_filename (const char *name, const char *dflt) |
517 | char *configuration::config_filename (const char *name, const char *dflt) |
… | |
… | |
426 | printf (_("MTU: %d\n"), mtu); |
539 | printf (_("MTU: %d\n"), mtu); |
427 | printf (_("rekeying interval: %d\n"), rekey); |
540 | printf (_("rekeying interval: %d\n"), rekey); |
428 | printf (_("keepalive interval: %d\n"), keepalive); |
541 | printf (_("keepalive interval: %d\n"), keepalive); |
429 | printf (_("interface: %s\n"), ifname); |
542 | printf (_("interface: %s\n"), ifname); |
430 | printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>"); |
543 | printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>"); |
431 | printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) : -1); |
544 | printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) * 8 : -1); |
432 | printf ("\n"); |
545 | printf ("\n"); |
433 | |
546 | |
434 | printf ("%4s %-17s %s %-8.8s %-10.10s %s\n", |
547 | printf ("%4s %-17s %s %-8.8s %-10.10s %s\n", |
435 | _("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port")); |
548 | _("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port")); |
436 | |
549 | |
… | |
… | |
440 | printf ("\n"); |
553 | printf ("\n"); |
441 | } |
554 | } |
442 | |
555 | |
443 | configuration::configuration () |
556 | configuration::configuration () |
444 | { |
557 | { |
|
|
558 | asprintf (&confbase, "%s/gvpe", CONFDIR); |
|
|
559 | |
445 | init (); |
560 | init (); |
446 | } |
561 | } |
447 | |
562 | |
448 | configuration::~configuration () |
563 | configuration::~configuration () |
449 | { |
564 | { |