1 |
pcg |
1.1 |
/* |
2 |
|
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conf.c -- configuration code |
3 |
pcg |
1.31 |
Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de> |
4 |
pcg |
1.1 |
|
5 |
pcg |
1.31 |
This file is part of GVPE. |
6 |
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|
7 |
|
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GVPE is free software; you can redistribute it and/or modify |
8 |
pcg |
1.1 |
it under the terms of the GNU General Public License as published by |
9 |
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the Free Software Foundation; either version 2 of the License, or |
10 |
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(at your option) any later version. |
11 |
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12 |
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This program is distributed in the hope that it will be useful, |
13 |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 |
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GNU General Public License for more details. |
16 |
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17 |
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You should have received a copy of the GNU General Public License |
18 |
pcg |
1.31 |
along with gvpe; if not, write to the Free Software |
19 |
pcg |
1.1 |
Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
20 |
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*/ |
21 |
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22 |
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#include "config.h" |
23 |
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24 |
|
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#include <cstdio> |
25 |
|
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#include <cstdlib> |
26 |
|
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#include <cstring> |
27 |
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|
28 |
|
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#include <errno.h> |
29 |
|
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#include <netdb.h> |
30 |
|
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#include <sys/stat.h> |
31 |
|
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#include <sys/types.h> |
32 |
|
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#include <unistd.h> |
33 |
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|
34 |
pcg |
1.17 |
#include "netcompat.h" |
35 |
pcg |
1.5 |
|
36 |
pcg |
1.1 |
#include <openssl/err.h> |
37 |
|
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#include <openssl/pem.h> |
38 |
|
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#include <openssl/rsa.h> |
39 |
|
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#include <openssl/rand.h> |
40 |
pcg |
1.22 |
#include <openssl/bn.h> |
41 |
pcg |
1.1 |
|
42 |
|
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#include "conf.h" |
43 |
|
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#include "slog.h" |
44 |
|
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#include "util.h" |
45 |
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|
46 |
|
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char *confbase; |
47 |
|
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char *thisnode; |
48 |
|
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char *identname; |
49 |
|
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|
50 |
|
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struct configuration conf; |
51 |
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|
52 |
pcg |
1.7 |
u8 best_protocol (u8 protset) |
53 |
|
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{ |
54 |
pcg |
1.13 |
if (protset & PROT_IPv4 ) return PROT_IPv4; |
55 |
|
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if (protset & PROT_ICMPv4) return PROT_ICMPv4; |
56 |
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if (protset & PROT_UDPv4 ) return PROT_UDPv4; |
57 |
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if (protset & PROT_TCPv4 ) return PROT_TCPv4; |
58 |
pcg |
1.24 |
if (protset & PROT_DNSv4 ) return PROT_DNSv4; |
59 |
pcg |
1.7 |
|
60 |
pcg |
1.9 |
return 0; |
61 |
pcg |
1.7 |
} |
62 |
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|
63 |
|
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const char *strprotocol (u8 protocol) |
64 |
|
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{ |
65 |
pcg |
1.13 |
if (protocol & PROT_IPv4 ) return "rawip"; |
66 |
|
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if (protocol & PROT_ICMPv4) return "icmp"; |
67 |
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if (protocol & PROT_UDPv4 ) return "udp"; |
68 |
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if (protocol & PROT_TCPv4 ) return "tcp"; |
69 |
pcg |
1.24 |
if (protocol & PROT_DNSv4 ) return "dns"; |
70 |
pcg |
1.7 |
|
71 |
|
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return "<unknown>"; |
72 |
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} |
73 |
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|
74 |
pcg |
1.12 |
void |
75 |
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conf_node::print () |
76 |
pcg |
1.1 |
{ |
77 |
pcg |
1.12 |
printf ("%4d fe:fd:80:00:0%1x:%02x %c %-8.8s %-10.10s %s%s%d\n", |
78 |
|
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id, |
79 |
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id >> 8, id & 0xff, |
80 |
|
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compress ? 'Y' : 'N', |
81 |
|
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connectmode == C_ONDEMAND ? "ondemand" : |
82 |
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connectmode == C_NEVER ? "never" : |
83 |
|
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connectmode == C_ALWAYS ? "always" : "", |
84 |
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nodename, |
85 |
|
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hostname ? hostname : "", |
86 |
|
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hostname ? ":" : "", |
87 |
|
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hostname ? udp_port : 0 |
88 |
|
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); |
89 |
pcg |
1.1 |
} |
90 |
|
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|
91 |
pcg |
1.12 |
conf_node::~conf_node () |
92 |
pcg |
1.1 |
{ |
93 |
pcg |
1.12 |
if (rsa_key) |
94 |
|
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RSA_free (rsa_key); |
95 |
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|
96 |
|
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free (nodename); |
97 |
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free (hostname); |
98 |
pcg |
1.30 |
#if ENABLE_DNS |
99 |
pcg |
1.28 |
free (domain); |
100 |
pcg |
1.30 |
free (dns_hostname); |
101 |
|
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#endif |
102 |
pcg |
1.1 |
} |
103 |
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104 |
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void configuration::init () |
105 |
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{ |
106 |
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memset (this, 0, sizeof (*this)); |
107 |
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|
108 |
pcg |
1.19 |
mtu = DEFAULT_MTU; |
109 |
pcg |
1.1 |
rekey = DEFAULT_REKEY; |
110 |
|
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keepalive = DEFAULT_KEEPALIVE; |
111 |
pcg |
1.2 |
llevel = L_INFO; |
112 |
pcg |
1.5 |
ip_proto = IPPROTO_GRE; |
113 |
pcg |
1.16 |
#if ENABLE_ICMP |
114 |
pcg |
1.13 |
icmp_type = ICMP_ECHOREPLY; |
115 |
pcg |
1.16 |
#endif |
116 |
pcg |
1.1 |
|
117 |
pcg |
1.5 |
default_node.udp_port = DEFAULT_UDPPORT; |
118 |
pcg |
1.24 |
default_node.tcp_port = DEFAULT_UDPPORT; // ehrm |
119 |
pcg |
1.1 |
default_node.connectmode = conf_node::C_ALWAYS; |
120 |
|
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default_node.compress = true; |
121 |
pcg |
1.29 |
default_node.protocols = 0; |
122 |
pcg |
1.27 |
default_node.max_retry = DEFAULT_MAX_RETRY; |
123 |
pcg |
1.25 |
|
124 |
pcg |
1.30 |
#if ENABLE_DNS |
125 |
pcg |
1.32 |
default_node.dns_port = 0; // default is 0 == client |
126 |
pcg |
1.33 |
dns_forw_host = strdup ("127.0.0.1"); |
127 |
pcg |
1.30 |
dns_forw_port = 53; |
128 |
|
|
#endif |
129 |
|
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|
130 |
pcg |
1.27 |
conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid"); |
131 |
pcg |
1.1 |
} |
132 |
|
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|
133 |
|
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void configuration::cleanup() |
134 |
|
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{ |
135 |
|
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if (rsa_key) |
136 |
|
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RSA_free (rsa_key); |
137 |
|
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|
138 |
pcg |
1.12 |
rsa_key = 0; |
139 |
pcg |
1.1 |
|
140 |
pcg |
1.28 |
free (pidfilename); pidfilename = 0; |
141 |
|
|
free (ifname); ifname = 0; |
142 |
pcg |
1.12 |
#if ENABLE_HTTP_PROXY |
143 |
pcg |
1.28 |
free (proxy_host); proxy_host = 0; |
144 |
|
|
free (proxy_auth); proxy_auth = 0; |
145 |
|
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#endif |
146 |
|
|
#if ENABLE_DNS |
147 |
|
|
free (dns_forw_host); dns_forw_host = 0; |
148 |
pcg |
1.12 |
#endif |
149 |
pcg |
1.1 |
} |
150 |
|
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|
151 |
|
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void |
152 |
|
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configuration::clear_config () |
153 |
|
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{ |
154 |
|
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for (configuration::node_vector::iterator i = nodes.begin(); i != nodes.end(); ++i) |
155 |
|
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delete *i; |
156 |
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|
157 |
|
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nodes.clear (); |
158 |
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|
159 |
|
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cleanup (); |
160 |
|
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init (); |
161 |
|
|
} |
162 |
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|
163 |
pcg |
1.5 |
#define parse_bool(target,name,trueval,falseval) \ |
164 |
|
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if (!strcmp (val, "yes")) target = trueval; \ |
165 |
|
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else if (!strcmp (val, "no")) target = falseval; \ |
166 |
|
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else if (!strcmp (val, "true")) target = trueval; \ |
167 |
|
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else if (!strcmp (val, "false")) target = falseval; \ |
168 |
|
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else if (!strcmp (val, "on")) target = trueval; \ |
169 |
|
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else if (!strcmp (val, "off")) target = falseval; \ |
170 |
|
|
else \ |
171 |
|
|
slog (L_WARN, \ |
172 |
|
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_("illegal value for '%s', only 'yes|true|on' or 'no|false|off' allowed, at '%s' line %d"), \ |
173 |
|
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name, var, fname, lineno); |
174 |
|
|
|
175 |
pcg |
1.1 |
void configuration::read_config (bool need_keys) |
176 |
|
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{ |
177 |
|
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char *fname; |
178 |
|
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FILE *f; |
179 |
|
|
|
180 |
|
|
clear_config (); |
181 |
|
|
|
182 |
pcg |
1.27 |
asprintf (&fname, "%s/gvpe.conf", confbase); |
183 |
pcg |
1.1 |
f = fopen (fname, "r"); |
184 |
|
|
|
185 |
|
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if (f) |
186 |
|
|
{ |
187 |
|
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char line[16384]; |
188 |
|
|
int lineno = 0; |
189 |
|
|
char *var, *val; |
190 |
|
|
conf_node *node = &default_node; |
191 |
|
|
|
192 |
|
|
while (fgets (line, sizeof (line), f)) |
193 |
|
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{ |
194 |
|
|
lineno++; |
195 |
|
|
|
196 |
|
|
{ |
197 |
|
|
char *end = line + strlen (line); |
198 |
|
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|
199 |
|
|
while (*end < ' ' && end >= line) |
200 |
|
|
end--; |
201 |
|
|
|
202 |
|
|
*++end = 0; |
203 |
|
|
} |
204 |
|
|
|
205 |
|
|
char *tok = line; |
206 |
|
|
|
207 |
|
|
retry: |
208 |
|
|
var = strtok (tok, "\t ="); |
209 |
|
|
tok = 0; |
210 |
|
|
|
211 |
|
|
if (!var || !var[0]) |
212 |
|
|
continue; /* no tokens on this line */ |
213 |
|
|
|
214 |
|
|
if (var[0] == '#') |
215 |
|
|
continue; /* comment: ignore */ |
216 |
|
|
|
217 |
|
|
val = strtok (NULL, "\t\n\r ="); |
218 |
|
|
|
219 |
|
|
if (!val || val[0] == '#') |
220 |
|
|
{ |
221 |
|
|
slog (L_WARN, |
222 |
|
|
_("no value for variable `%s', at '%s' line %d"), |
223 |
|
|
var, fname, lineno); |
224 |
|
|
break; |
225 |
|
|
} |
226 |
|
|
|
227 |
|
|
if (!strcmp (var, "on")) |
228 |
|
|
{ |
229 |
|
|
if (!::thisnode |
230 |
|
|
|| (val[0] == '!' && strcmp (val + 1, ::thisnode)) |
231 |
|
|
|| !strcmp (val, ::thisnode)) |
232 |
|
|
goto retry; |
233 |
|
|
|
234 |
|
|
continue; |
235 |
|
|
} |
236 |
|
|
|
237 |
|
|
// truly global |
238 |
|
|
if (!strcmp (var, "loglevel")) |
239 |
|
|
{ |
240 |
|
|
loglevel l = string_to_loglevel (val); |
241 |
|
|
|
242 |
|
|
if (l != L_NONE) |
243 |
pcg |
1.2 |
llevel = l; |
244 |
pcg |
1.1 |
else |
245 |
|
|
slog (L_WARN, "'%s': %s, at '%s' line %d", val, UNKNOWN_LOGLEVEL, fname, line); |
246 |
|
|
} |
247 |
pcg |
1.5 |
else if (!strcmp (var, "ip-proto")) |
248 |
|
|
ip_proto = atoi (val); |
249 |
pcg |
1.20 |
else if (!strcmp (var, "icmp-type")) |
250 |
|
|
{ |
251 |
pcg |
1.16 |
#if ENABLE_ICMP |
252 |
pcg |
1.20 |
icmp_type = atoi (val); |
253 |
pcg |
1.16 |
#endif |
254 |
pcg |
1.20 |
} |
255 |
pcg |
1.1 |
|
256 |
|
|
// per config |
257 |
|
|
else if (!strcmp (var, "node")) |
258 |
|
|
{ |
259 |
|
|
default_node.id++; |
260 |
|
|
|
261 |
|
|
node = new conf_node (default_node); |
262 |
|
|
|
263 |
|
|
nodes.push_back (node); |
264 |
|
|
|
265 |
|
|
node->nodename = strdup (val); |
266 |
|
|
|
267 |
|
|
{ |
268 |
|
|
char *fname; |
269 |
|
|
FILE *f; |
270 |
|
|
|
271 |
|
|
asprintf (&fname, "%s/pubkey/%s", confbase, node->nodename); |
272 |
|
|
|
273 |
|
|
f = fopen (fname, "r"); |
274 |
|
|
if (f) |
275 |
|
|
{ |
276 |
|
|
node->rsa_key = RSA_new (); |
277 |
|
|
|
278 |
|
|
if (!PEM_read_RSAPublicKey(f, &node->rsa_key, NULL, NULL)) |
279 |
|
|
{ |
280 |
|
|
ERR_load_RSA_strings (); ERR_load_PEM_strings (); |
281 |
|
|
slog (L_ERR, _("unable to open public rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0)); |
282 |
pcg |
1.22 |
exit (EXIT_FAILURE); |
283 |
pcg |
1.1 |
} |
284 |
|
|
|
285 |
pcg |
1.22 |
require (RSA_blinding_on (node->rsa_key, 0)); |
286 |
pcg |
1.1 |
|
287 |
|
|
fclose (f); |
288 |
|
|
} |
289 |
|
|
else |
290 |
|
|
{ |
291 |
|
|
slog (need_keys ? L_ERR : L_NOTICE, _("unable to read public rsa key file '%s': %s"), fname, strerror (errno)); |
292 |
|
|
|
293 |
|
|
if (need_keys) |
294 |
pcg |
1.22 |
exit (EXIT_FAILURE); |
295 |
pcg |
1.1 |
} |
296 |
|
|
|
297 |
|
|
free (fname); |
298 |
|
|
} |
299 |
|
|
|
300 |
pcg |
1.23 |
if (::thisnode && !strcmp (node->nodename, ::thisnode)) |
301 |
pcg |
1.1 |
thisnode = node; |
302 |
|
|
} |
303 |
|
|
else if (!strcmp (var, "private-key")) |
304 |
pcg |
1.24 |
free (prikeyfile), prikeyfile = strdup (val); |
305 |
pcg |
1.1 |
else if (!strcmp (var, "ifpersist")) |
306 |
|
|
{ |
307 |
pcg |
1.5 |
parse_bool (ifpersist, "ifpersist", true, false); |
308 |
pcg |
1.1 |
} |
309 |
|
|
else if (!strcmp (var, "ifname")) |
310 |
pcg |
1.24 |
free (ifname), ifname = strdup (val); |
311 |
pcg |
1.1 |
else if (!strcmp (var, "rekey")) |
312 |
|
|
rekey = atoi (val); |
313 |
|
|
else if (!strcmp (var, "keepalive")) |
314 |
|
|
keepalive = atoi (val); |
315 |
|
|
else if (!strcmp (var, "mtu")) |
316 |
|
|
mtu = atoi (val); |
317 |
|
|
else if (!strcmp (var, "if-up")) |
318 |
pcg |
1.24 |
free (script_if_up), script_if_up = strdup (val); |
319 |
pcg |
1.1 |
else if (!strcmp (var, "node-up")) |
320 |
pcg |
1.24 |
free (script_node_up), script_node_up = strdup (val); |
321 |
pcg |
1.1 |
else if (!strcmp (var, "node-down")) |
322 |
pcg |
1.24 |
free (script_node_down), script_node_down = strdup (val); |
323 |
|
|
else if (!strcmp (var, "pid-file")) |
324 |
|
|
free (pidfilename), pidfilename = strdup (val); |
325 |
pcg |
1.34 |
else if (!strcmp (var, "dns-forw-host")) |
326 |
|
|
{ |
327 |
pcg |
1.30 |
#if ENABLE_DNS |
328 |
pcg |
1.34 |
free (dns_forw_host), dns_forw_host = strdup (val); |
329 |
|
|
#endif |
330 |
|
|
} |
331 |
pcg |
1.29 |
else if (!strcmp (var, "dns-forw-port")) |
332 |
pcg |
1.34 |
{ |
333 |
|
|
#if ENABLE_DNS |
334 |
|
|
dns_forw_port = atoi (val); |
335 |
pcg |
1.28 |
#endif |
336 |
pcg |
1.34 |
} |
337 |
pcg |
1.20 |
else if (!strcmp (var, "http-proxy-host")) |
338 |
|
|
{ |
339 |
pcg |
1.12 |
#if ENABLE_HTTP_PROXY |
340 |
pcg |
1.24 |
free (proxy_host), proxy_host = strdup (val); |
341 |
pcg |
1.20 |
#endif |
342 |
|
|
} |
343 |
pcg |
1.12 |
else if (!strcmp (var, "http-proxy-port")) |
344 |
pcg |
1.20 |
{ |
345 |
|
|
#if ENABLE_HTTP_PROXY |
346 |
|
|
proxy_port = atoi (val); |
347 |
|
|
#endif |
348 |
|
|
} |
349 |
pcg |
1.12 |
else if (!strcmp (var, "http-proxy-auth")) |
350 |
pcg |
1.20 |
{ |
351 |
|
|
#if ENABLE_HTTP_PROXY |
352 |
|
|
proxy_auth = (char *)base64_encode ((const u8 *)val, strlen (val)); |
353 |
pcg |
1.12 |
#endif |
354 |
pcg |
1.20 |
} |
355 |
pcg |
1.1 |
|
356 |
|
|
/* node-specific, non-defaultable */ |
357 |
|
|
else if (node != &default_node && !strcmp (var, "hostname")) |
358 |
pcg |
1.24 |
free (node->hostname), node->hostname = strdup (val); |
359 |
pcg |
1.1 |
|
360 |
|
|
/* node-specific, defaultable */ |
361 |
pcg |
1.4 |
else if (!strcmp (var, "udp-port")) |
362 |
pcg |
1.5 |
node->udp_port = atoi (val); |
363 |
pcg |
1.8 |
else if (!strcmp (var, "tcp-port")) |
364 |
|
|
node->tcp_port = atoi (val); |
365 |
pcg |
1.34 |
else if (!strcmp (var, "dns-hostname")) |
366 |
|
|
{ |
367 |
pcg |
1.30 |
#if ENABLE_DNS |
368 |
pcg |
1.34 |
free (node->dns_hostname), node->dns_hostname = strdup (val); |
369 |
|
|
#endif |
370 |
|
|
} |
371 |
pcg |
1.24 |
else if (!strcmp (var, "dns-port")) |
372 |
pcg |
1.34 |
{ |
373 |
|
|
#if ENABLE_DNS |
374 |
|
|
node->dns_port = atoi (val); |
375 |
|
|
#endif |
376 |
|
|
} |
377 |
pcg |
1.28 |
else if (!strcmp (var, "dns-domain")) |
378 |
pcg |
1.34 |
{ |
379 |
|
|
#if ENABLE_DNS |
380 |
|
|
free (node->domain), node->domain = strdup (val); |
381 |
pcg |
1.28 |
#endif |
382 |
pcg |
1.34 |
} |
383 |
pcg |
1.1 |
else if (!strcmp (var, "router-priority")) |
384 |
|
|
node->routerprio = atoi (val); |
385 |
pcg |
1.27 |
else if (!strcmp (var, "max-retry")) |
386 |
|
|
node->max_retry = atoi (val); |
387 |
pcg |
1.1 |
else if (!strcmp (var, "connect")) |
388 |
|
|
{ |
389 |
|
|
if (!strcmp (val, "ondemand")) |
390 |
|
|
node->connectmode = conf_node::C_ONDEMAND; |
391 |
|
|
else if (!strcmp (val, "never")) |
392 |
|
|
node->connectmode = conf_node::C_NEVER; |
393 |
|
|
else if (!strcmp (val, "always")) |
394 |
|
|
node->connectmode = conf_node::C_ALWAYS; |
395 |
pcg |
1.4 |
else if (!strcmp (val, "disabled")) |
396 |
|
|
node->connectmode = conf_node::C_DISABLED; |
397 |
pcg |
1.1 |
else |
398 |
|
|
slog (L_WARN, |
399 |
pcg |
1.27 |
_("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', at '%s' line %d"), |
400 |
|
|
var, fname, lineno); |
401 |
pcg |
1.1 |
} |
402 |
pcg |
1.3 |
else if (!strcmp (var, "inherit-tos")) |
403 |
|
|
{ |
404 |
pcg |
1.5 |
parse_bool (node->inherit_tos, "inherit-tos", true, false); |
405 |
pcg |
1.3 |
} |
406 |
pcg |
1.1 |
else if (!strcmp (var, "compress")) |
407 |
|
|
{ |
408 |
pcg |
1.5 |
parse_bool (node->compress, "compress", true, false); |
409 |
|
|
} |
410 |
|
|
// all these bool options really really cost a lot of executable size! |
411 |
pcg |
1.8 |
else if (!strcmp (var, "enable-tcp")) |
412 |
|
|
{ |
413 |
pcg |
1.11 |
#if ENABLE_TCP |
414 |
pcg |
1.8 |
u8 v; parse_bool (v, "enable-tcp" , PROT_TCPv4, 0); node->protocols = (node->protocols & ~PROT_TCPv4) | v; |
415 |
pcg |
1.13 |
#endif |
416 |
|
|
} |
417 |
|
|
else if (!strcmp (var, "enable-icmp")) |
418 |
|
|
{ |
419 |
|
|
#if ENABLE_ICMP |
420 |
|
|
u8 v; parse_bool (v, "enable-icmp" , PROT_ICMPv4, 0); node->protocols = (node->protocols & ~PROT_ICMPv4) | v; |
421 |
pcg |
1.11 |
#endif |
422 |
pcg |
1.8 |
} |
423 |
pcg |
1.24 |
else if (!strcmp (var, "enable-dns")) |
424 |
|
|
{ |
425 |
|
|
#if ENABLE_DNS |
426 |
|
|
u8 v; parse_bool (v, "enable-dns" , PROT_DNSv4, 0); node->protocols = (node->protocols & ~PROT_DNSv4) | v; |
427 |
|
|
#endif |
428 |
|
|
} |
429 |
pcg |
1.6 |
else if (!strcmp (var, "enable-udp")) |
430 |
pcg |
1.5 |
{ |
431 |
pcg |
1.6 |
u8 v; parse_bool (v, "enable-udp" , PROT_UDPv4, 0); node->protocols = (node->protocols & ~PROT_UDPv4) | v; |
432 |
pcg |
1.5 |
} |
433 |
pcg |
1.6 |
else if (!strcmp (var, "enable-rawip")) |
434 |
pcg |
1.28 |
{ |
435 |
pcg |
1.6 |
u8 v; parse_bool (v, "enable-rawip", PROT_IPv4, 0); node->protocols = (node->protocols & ~PROT_IPv4 ) | v; |
436 |
pcg |
1.1 |
} |
437 |
|
|
|
438 |
|
|
// unknown or misplaced |
439 |
|
|
else |
440 |
pcg |
1.12 |
slog (L_WARN, |
441 |
|
|
_("unknown or misplaced variable `%s', at '%s' line %d"), |
442 |
|
|
var, fname, lineno); |
443 |
pcg |
1.1 |
} |
444 |
|
|
|
445 |
|
|
fclose (f); |
446 |
|
|
} |
447 |
|
|
else |
448 |
|
|
{ |
449 |
|
|
slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno)); |
450 |
pcg |
1.22 |
exit (EXIT_FAILURE); |
451 |
pcg |
1.1 |
} |
452 |
|
|
|
453 |
|
|
free (fname); |
454 |
|
|
|
455 |
|
|
fname = config_filename (prikeyfile, "hostkey"); |
456 |
|
|
|
457 |
|
|
f = fopen (fname, "r"); |
458 |
|
|
if (f) |
459 |
|
|
{ |
460 |
|
|
rsa_key = RSA_new (); |
461 |
|
|
|
462 |
|
|
if (!PEM_read_RSAPrivateKey (f, &rsa_key, NULL, NULL)) |
463 |
|
|
{ |
464 |
|
|
ERR_load_RSA_strings (); ERR_load_PEM_strings (); |
465 |
|
|
slog (L_ERR, _("unable to read private rsa key file '%s': %s"), fname, ERR_error_string (ERR_get_error (), 0)); |
466 |
pcg |
1.22 |
exit (EXIT_FAILURE); |
467 |
pcg |
1.1 |
} |
468 |
|
|
|
469 |
pcg |
1.22 |
require (RSA_blinding_on (rsa_key, 0)); |
470 |
pcg |
1.1 |
|
471 |
|
|
fclose (f); |
472 |
|
|
} |
473 |
|
|
else |
474 |
|
|
{ |
475 |
|
|
slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno)); |
476 |
|
|
|
477 |
|
|
if (need_keys) |
478 |
pcg |
1.22 |
exit (EXIT_FAILURE); |
479 |
pcg |
1.1 |
} |
480 |
pcg |
1.22 |
|
481 |
pcg |
1.23 |
if (need_keys && ::thisnode |
482 |
|
|
&& rsa_key && thisnode && thisnode->rsa_key) |
483 |
pcg |
1.22 |
if (BN_cmp (rsa_key->n, thisnode->rsa_key->n) != 0 |
484 |
|
|
|| BN_cmp (rsa_key->e, thisnode->rsa_key->e) != 0) |
485 |
|
|
{ |
486 |
|
|
slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode); |
487 |
|
|
exit (EXIT_FAILURE); |
488 |
|
|
} |
489 |
pcg |
1.1 |
|
490 |
|
|
free (fname); |
491 |
|
|
} |
492 |
|
|
|
493 |
|
|
char *configuration::config_filename (const char *name, const char *dflt) |
494 |
|
|
{ |
495 |
|
|
char *fname; |
496 |
|
|
|
497 |
|
|
asprintf (&fname, name ? name : dflt, ::thisnode); |
498 |
|
|
|
499 |
|
|
if (!ABSOLUTE_PATH (fname)) |
500 |
|
|
{ |
501 |
|
|
char *rname = fname; |
502 |
|
|
asprintf (&fname, "%s/%s", confbase, rname); |
503 |
|
|
free (rname); |
504 |
|
|
} |
505 |
|
|
|
506 |
|
|
return fname; |
507 |
|
|
} |
508 |
|
|
|
509 |
|
|
void |
510 |
|
|
configuration::print () |
511 |
|
|
{ |
512 |
|
|
printf (_("\nConfiguration\n\n")); |
513 |
|
|
printf (_("# of nodes: %d\n"), nodes.size ()); |
514 |
|
|
printf (_("this node: %s\n"), thisnode ? thisnode->nodename : "<unset>"); |
515 |
|
|
printf (_("MTU: %d\n"), mtu); |
516 |
|
|
printf (_("rekeying interval: %d\n"), rekey); |
517 |
|
|
printf (_("keepalive interval: %d\n"), keepalive); |
518 |
|
|
printf (_("interface: %s\n"), ifname); |
519 |
|
|
printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>"); |
520 |
pcg |
1.15 |
printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) * 8 : -1); |
521 |
pcg |
1.1 |
printf ("\n"); |
522 |
|
|
|
523 |
|
|
printf ("%4s %-17s %s %-8.8s %-10.10s %s\n", |
524 |
|
|
_("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port")); |
525 |
|
|
|
526 |
|
|
for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i) |
527 |
|
|
(*i)->print (); |
528 |
|
|
|
529 |
|
|
printf ("\n"); |
530 |
|
|
} |
531 |
|
|
|
532 |
pcg |
1.12 |
configuration::configuration () |
533 |
|
|
{ |
534 |
pcg |
1.27 |
asprintf (&confbase, "%s/gvpe", CONFDIR); |
535 |
pcg |
1.26 |
|
536 |
pcg |
1.12 |
init (); |
537 |
|
|
} |
538 |
|
|
|
539 |
|
|
configuration::~configuration () |
540 |
pcg |
1.1 |
{ |
541 |
pcg |
1.12 |
cleanup (); |
542 |
pcg |
1.1 |
} |
543 |
pcg |
1.12 |
|
544 |
pcg |
1.1 |
|