1 | /* |
1 | /* |
2 | conf.c -- configuration code |
2 | conf.C -- configuration code |
3 | Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de> |
3 | Copyright (C) 2003-2008,2011 Marc Lehmann <gvpe@schmorp.de> |
4 | |
4 | |
5 | This file is part of GVPE. |
5 | This file is part of GVPE. |
6 | |
6 | |
7 | GVPE is free software; you can redistribute it and/or modify |
7 | GVPE is free software; you can redistribute it and/or modify it |
8 | it under the terms of the GNU General Public License as published by |
8 | under the terms of the GNU General Public License as published by the |
9 | the Free Software Foundation; either version 2 of the License, or |
9 | Free Software Foundation; either version 3 of the License, or (at your |
10 | (at your option) any later version. |
10 | option) any later version. |
11 | |
11 | |
12 | 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, but |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
15 | GNU General Public License for more details. |
15 | Public License for more details. |
16 | |
16 | |
17 | 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 along |
18 | along with gvpe; if not, write to the Free Software |
18 | with this program; if not, see <http://www.gnu.org/licenses/>. |
19 | Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
19 | |
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20 | Additional permission under GNU GPL version 3 section 7 |
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21 | |
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22 | If you modify this Program, or any covered work, by linking or |
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23 | combining it with the OpenSSL project's OpenSSL library (or a modified |
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24 | version of that library), containing parts covered by the terms of the |
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25 | OpenSSL or SSLeay licenses, the licensors of this Program grant you |
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26 | additional permission to convey the resulting work. Corresponding |
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27 | Source for a non-source form of such a combination shall include the |
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28 | source code for the parts of OpenSSL used as well as that of the |
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29 | covered work. |
20 | */ |
30 | */ |
21 | |
31 | |
22 | #include "config.h" |
32 | #include "config.h" |
23 | |
33 | |
24 | #include <cstdio> |
34 | #include <cstdio> |
… | |
… | |
28 | #include <errno.h> |
38 | #include <errno.h> |
29 | #include <netdb.h> |
39 | #include <netdb.h> |
30 | #include <sys/stat.h> |
40 | #include <sys/stat.h> |
31 | #include <sys/types.h> |
41 | #include <sys/types.h> |
32 | #include <unistd.h> |
42 | #include <unistd.h> |
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43 | #include <pwd.h> |
33 | |
44 | |
34 | #include "netcompat.h" |
45 | #include "netcompat.h" |
35 | |
46 | |
36 | #include <openssl/err.h> |
47 | #include <openssl/err.h> |
37 | #include <openssl/pem.h> |
48 | #include <openssl/pem.h> |
… | |
… | |
47 | char *thisnode; |
58 | char *thisnode; |
48 | char *identname; |
59 | char *identname; |
49 | |
60 | |
50 | struct configuration conf; |
61 | struct configuration conf; |
51 | |
62 | |
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63 | u8 |
52 | u8 best_protocol (u8 protset) |
64 | best_protocol (u8 protset) |
53 | { |
65 | { |
54 | if (protset & PROT_IPv4 ) return PROT_IPv4; |
66 | if (protset & PROT_IPv4 ) return PROT_IPv4; |
55 | if (protset & PROT_ICMPv4) return PROT_ICMPv4; |
67 | if (protset & PROT_ICMPv4) return PROT_ICMPv4; |
56 | if (protset & PROT_UDPv4 ) return PROT_UDPv4; |
68 | if (protset & PROT_UDPv4 ) return PROT_UDPv4; |
57 | if (protset & PROT_TCPv4 ) return PROT_TCPv4; |
69 | if (protset & PROT_TCPv4 ) return PROT_TCPv4; |
58 | if (protset & PROT_DNSv4 ) return PROT_DNSv4; |
70 | if (protset & PROT_DNSv4 ) return PROT_DNSv4; |
59 | |
71 | |
60 | return 0; |
72 | return 0; |
61 | } |
73 | } |
62 | |
74 | |
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75 | const char * |
63 | const char *strprotocol (u8 protocol) |
76 | strprotocol (u8 protocol) |
64 | { |
77 | { |
65 | if (protocol & PROT_IPv4 ) return "rawip"; |
78 | if (protocol & PROT_IPv4 ) return "rawip"; |
66 | if (protocol & PROT_ICMPv4) return "icmp"; |
79 | if (protocol & PROT_ICMPv4) return "icmp"; |
67 | if (protocol & PROT_UDPv4 ) return "udp"; |
80 | if (protocol & PROT_UDPv4 ) return "udp"; |
68 | if (protocol & PROT_TCPv4 ) return "tcp"; |
81 | if (protocol & PROT_TCPv4 ) return "tcp"; |
… | |
… | |
82 | |
95 | |
83 | return false; |
96 | return false; |
84 | } |
97 | } |
85 | |
98 | |
86 | bool |
99 | bool |
87 | conf_node::can_direct (struct conf_node *other) |
100 | conf_node::may_direct (struct conf_node *other) |
88 | { |
101 | { |
89 | if (match_list (allow_direct, other->nodename)) |
102 | if (match_list (allow_direct, other->nodename)) |
90 | return true; |
103 | return true; |
91 | |
104 | |
92 | if (match_list (deny_direct, other->nodename)) |
105 | if (match_list (deny_direct, other->nodename)) |
93 | return false; |
106 | return false; |
94 | |
107 | |
95 | return true; |
108 | return true; |
96 | } |
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97 | |
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98 | void |
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99 | conf_node::print () |
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100 | { |
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101 | printf ("%4d fe:fd:80:00:0%1x:%02x %c %-8.8s %-10.10s %s%s%d\n", |
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102 | id, |
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103 | id >> 8, id & 0xff, |
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104 | compress ? 'Y' : 'N', |
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105 | connectmode == C_ONDEMAND ? "ondemand" : |
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106 | connectmode == C_NEVER ? "never" : |
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107 | connectmode == C_ALWAYS ? "always" : "", |
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108 | nodename, |
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109 | hostname ? hostname : "", |
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110 | hostname ? ":" : "", |
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111 | hostname ? udp_port : 0 |
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112 | ); |
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113 | } |
109 | } |
114 | |
110 | |
115 | conf_node::~conf_node () |
111 | conf_node::~conf_node () |
116 | { |
112 | { |
117 | #if 0 |
113 | #if 0 |
… | |
… | |
128 | free (dns_hostname); |
124 | free (dns_hostname); |
129 | #endif |
125 | #endif |
130 | #endif |
126 | #endif |
131 | } |
127 | } |
132 | |
128 | |
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129 | void |
133 | void configuration::init () |
130 | configuration::init () |
134 | { |
131 | { |
135 | memset (this, 0, sizeof (*this)); |
132 | memset (this, 0, sizeof (*this)); |
136 | |
133 | |
137 | mtu = DEFAULT_MTU; |
134 | mtu = DEFAULT_MTU; |
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135 | nfmark = 0; |
138 | rekey = DEFAULT_REKEY; |
136 | rekey = DEFAULT_REKEY; |
139 | keepalive = DEFAULT_KEEPALIVE; |
137 | keepalive = DEFAULT_KEEPALIVE; |
140 | llevel = L_INFO; |
138 | llevel = L_INFO; |
141 | ip_proto = IPPROTO_GRE; |
139 | ip_proto = IPPROTO_GRE; |
142 | #if ENABLE_ICMP |
140 | #if ENABLE_ICMP |
… | |
… | |
147 | default_node.tcp_port = DEFAULT_UDPPORT; // ehrm |
145 | default_node.tcp_port = DEFAULT_UDPPORT; // ehrm |
148 | default_node.connectmode = conf_node::C_ALWAYS; |
146 | default_node.connectmode = conf_node::C_ALWAYS; |
149 | default_node.compress = true; |
147 | default_node.compress = true; |
150 | default_node.protocols = 0; |
148 | default_node.protocols = 0; |
151 | default_node.max_retry = DEFAULT_MAX_RETRY; |
149 | default_node.max_retry = DEFAULT_MAX_RETRY; |
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150 | default_node.max_ttl = DEFAULT_MAX_TTL; |
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151 | default_node.max_queue = DEFAULT_MAX_QUEUE; |
152 | default_node.if_up_data = strdup (""); |
152 | default_node.if_up_data = strdup (""); |
153 | |
153 | |
154 | #if ENABLE_DNS |
154 | #if ENABLE_DNS |
155 | default_node.dns_port = 0; // default is 0 == client |
155 | default_node.dns_port = 0; // default is 0 == client |
156 | |
156 | |
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157 | dns_case_preserving = true; |
157 | dns_forw_host = strdup ("127.0.0.1"); |
158 | dns_forw_host = strdup ("127.0.0.1"); |
158 | dns_forw_port = 53; |
159 | dns_forw_port = 53; |
159 | dns_timeout_factor = DEFAULT_DNS_TIMEOUT_FACTOR; |
160 | dns_timeout_factor = DEFAULT_DNS_TIMEOUT_FACTOR; |
160 | dns_send_interval = DEFAULT_DNS_SEND_INTERVAL; |
161 | dns_send_interval = DEFAULT_DNS_SEND_INTERVAL; |
161 | dns_overlap_factor = DEFAULT_DNS_OVERLAP_FACTOR; |
162 | dns_overlap_factor = DEFAULT_DNS_OVERLAP_FACTOR; |
162 | dns_max_outstanding = DEFAULT_DNS_MAX_OUTSTANDING; |
163 | dns_max_outstanding = DEFAULT_DNS_MAX_OUTSTANDING; |
163 | #endif |
164 | #endif |
164 | |
165 | |
165 | conf.pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid"); |
166 | pidfilename = strdup (LOCALSTATEDIR "/run/gvpe.pid"); |
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167 | seed_dev = strdup ("/dev/urandom"); |
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168 | reseed = DEFAULT_RESEED; |
166 | } |
169 | } |
167 | |
170 | |
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171 | void |
168 | void configuration::cleanup() |
172 | configuration::cleanup () |
169 | { |
173 | { |
170 | if (rsa_key) |
174 | if (rsa_key) |
171 | RSA_free (rsa_key); |
175 | RSA_free (rsa_key); |
172 | |
176 | |
173 | rsa_key = 0; |
177 | rsa_key = 0; |
174 | |
178 | |
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179 | free (seed_dev); seed_dev = 0; |
175 | free (pidfilename); pidfilename = 0; |
180 | free (pidfilename); pidfilename = 0; |
176 | free (ifname); ifname = 0; |
181 | free (ifname); ifname = 0; |
177 | #if ENABLE_HTTP_PROXY |
182 | #if ENABLE_HTTP_PROXY |
178 | free (proxy_host); proxy_host = 0; |
183 | free (proxy_host); proxy_host = 0; |
179 | free (proxy_auth); proxy_auth = 0; |
184 | free (proxy_auth); proxy_auth = 0; |
180 | #endif |
185 | #endif |
181 | #if ENABLE_DNS |
186 | #if ENABLE_DNS |
182 | free (dns_forw_host); dns_forw_host = 0; |
187 | free (dns_forw_host); dns_forw_host = 0; |
183 | #endif |
188 | #endif |
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189 | free (change_root); change_root = 0; |
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190 | free (script_if_up); script_if_up = 0; |
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191 | free (script_node_up); script_node_up = 0; |
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192 | free (script_node_change); script_node_change = 0; |
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193 | free (script_node_down); script_node_down = 0; |
184 | } |
194 | } |
185 | |
195 | |
186 | void |
196 | void |
187 | configuration::clear () |
197 | configuration::clear () |
188 | { |
198 | { |
… | |
… | |
192 | nodes.clear (); |
202 | nodes.clear (); |
193 | |
203 | |
194 | cleanup (); |
204 | cleanup (); |
195 | init (); |
205 | init (); |
196 | } |
206 | } |
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207 | |
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208 | //static bool |
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209 | //is_true (const char *name) |
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210 | //{ |
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211 | //re |
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212 | //} |
197 | |
213 | |
198 | #define parse_bool(target,name,trueval,falseval) do { \ |
214 | #define parse_bool(target,name,trueval,falseval) do { \ |
199 | if (!strcmp (val, "yes")) target = trueval; \ |
215 | if (!strcmp (val, "yes")) target = trueval; \ |
200 | else if (!strcmp (val, "no")) target = falseval; \ |
216 | else if (!strcmp (val, "no")) target = falseval; \ |
201 | else if (!strcmp (val, "true")) target = trueval; \ |
217 | else if (!strcmp (val, "true")) target = trueval; \ |
202 | else if (!strcmp (val, "false")) target = falseval; \ |
218 | else if (!strcmp (val, "false")) target = falseval; \ |
203 | else if (!strcmp (val, "on")) target = trueval; \ |
219 | else if (!strcmp (val, "on")) target = trueval; \ |
204 | else if (!strcmp (val, "off")) target = falseval; \ |
220 | else if (!strcmp (val, "off")) target = falseval; \ |
205 | else \ |
221 | else \ |
206 | return _("illegal boolean value, only 'yes|true|on' or 'no|false|off' allowed. (ignored)"); \ |
222 | return _("illegal boolean value, only 'yes|true|on' or 'no|false|off' allowed, ignored"); \ |
207 | } while (0) |
223 | } while (0) |
208 | |
224 | |
209 | const char * |
225 | const char * |
210 | configuration_parser::parse_line (char *line) |
226 | configuration_parser::parse_line (char *line) |
211 | { |
227 | { |
… | |
… | |
229 | return 0; /* comment: ignore */ |
245 | return 0; /* comment: ignore */ |
230 | |
246 | |
231 | char *val = strtok (NULL, "\t\n\r ="); |
247 | char *val = strtok (NULL, "\t\n\r ="); |
232 | |
248 | |
233 | if (!val || val[0] == '#') |
249 | if (!val || val[0] == '#') |
234 | return _("no value given for variable. (ignored)"); |
250 | return _("no value given for variable, ignored"); |
235 | |
251 | |
236 | if (!strcmp (var, "on")) |
252 | else if (!strcmp (var, "on")) |
237 | { |
253 | { |
238 | if (!::thisnode |
254 | if (::thisnode |
239 | || (val[0] == '!' && strcmp (val + 1, ::thisnode)) |
255 | && ((val[0] == '!' && strcmp (val + 1, ::thisnode)) |
240 | || !strcmp (val, ::thisnode)) |
256 | || !strcmp (val, ::thisnode))) |
241 | return parse_line (strtok (NULL, "\n\r")); |
257 | return parse_line (strtok (NULL, "\n\r")); |
242 | else |
258 | } |
243 | return 0; |
259 | |
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260 | else if (!strcmp (var, "include")) |
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261 | { |
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262 | char *fname = conf.config_filename (val); |
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263 | parse_file (fname); |
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264 | free (fname); |
244 | } |
265 | } |
245 | |
266 | |
246 | // truly global |
267 | // truly global |
247 | if (!strcmp (var, "loglevel")) |
268 | else if (!strcmp (var, "loglevel")) |
248 | { |
269 | { |
249 | loglevel l = string_to_loglevel (val); |
270 | loglevel l = string_to_loglevel (val); |
250 | |
271 | |
251 | if (l == L_NONE) |
272 | if (l == L_NONE) |
252 | return _("unknown loglevel. (skipping)"); |
273 | return _("unknown loglevel, ignored"); |
253 | } |
274 | } |
254 | else if (!strcmp (var, "ip-proto")) |
275 | else if (!strcmp (var, "ip-proto")) |
255 | conf.ip_proto = atoi (val); |
276 | conf.ip_proto = atoi (val); |
256 | else if (!strcmp (var, "icmp-type")) |
277 | else if (!strcmp (var, "icmp-type")) |
257 | { |
278 | { |
258 | #if ENABLE_ICMP |
279 | #if ENABLE_ICMP |
259 | conf.icmp_type = atoi (val); |
280 | conf.icmp_type = atoi (val); |
260 | #endif |
281 | #endif |
261 | } |
282 | } |
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283 | else if (!strcmp (var, "chuser")) |
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284 | { |
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285 | struct passwd *pw = getpwnam (val); |
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286 | if (!pw) |
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287 | return _("user specified for chuser not found"); |
262 | |
288 | |
263 | // per config |
289 | conf.change_uid = pw->pw_uid; |
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290 | conf.change_gid = pw->pw_gid; |
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291 | } |
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292 | else if (!strcmp (var, "chuid")) |
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293 | conf.change_uid = atoi (val); |
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294 | else if (!strcmp (var, "chgid")) |
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295 | conf.change_gid = atoi (val); |
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296 | else if (!strcmp (var, "chroot")) |
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297 | free (conf.change_root), conf.change_root = strdup (val); |
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298 | |
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299 | // per node |
264 | else if (!strcmp (var, "node")) |
300 | else if (!strcmp (var, "node")) |
265 | { |
301 | { |
266 | parse_argv (); |
302 | parse_argv (); |
267 | |
303 | |
268 | conf.default_node.id++; |
304 | conf.default_node.id++; |
… | |
… | |
316 | conf.rekey = atoi (val); |
352 | conf.rekey = atoi (val); |
317 | else if (!strcmp (var, "keepalive")) |
353 | else if (!strcmp (var, "keepalive")) |
318 | conf.keepalive = atoi (val); |
354 | conf.keepalive = atoi (val); |
319 | else if (!strcmp (var, "mtu")) |
355 | else if (!strcmp (var, "mtu")) |
320 | conf.mtu = atoi (val); |
356 | conf.mtu = atoi (val); |
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357 | else if (!strcmp (var, "nfmark")) |
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358 | conf.nfmark = atoi (val); |
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359 | else if (!strcmp (var, "seed-device")) |
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360 | free (conf.seed_dev), conf.seed_dev = strdup (val); |
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361 | else if (!strcmp (var, "seed-interval")) |
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362 | conf.reseed = atoi (val); |
321 | else if (!strcmp (var, "if-up")) |
363 | else if (!strcmp (var, "if-up")) |
322 | free (conf.script_if_up), conf.script_if_up = strdup (val); |
364 | free (conf.script_if_up), conf.script_if_up = strdup (val); |
323 | else if (!strcmp (var, "node-up")) |
365 | else if (!strcmp (var, "node-up")) |
324 | free (conf.script_node_up), conf.script_node_up = strdup (val); |
366 | free (conf.script_node_up), conf.script_node_up = strdup (val); |
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367 | else if (!strcmp (var, "node-change")) |
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368 | free (conf.script_node_change), conf.script_node_change = strdup (val); |
325 | else if (!strcmp (var, "node-down")) |
369 | else if (!strcmp (var, "node-down")) |
326 | free (conf.script_node_down), conf.script_node_down = strdup (val); |
370 | free (conf.script_node_down), conf.script_node_down = strdup (val); |
327 | else if (!strcmp (var, "pid-file")) |
371 | else if (!strcmp (var, "pid-file")) |
328 | free (conf.pidfilename), conf.pidfilename = strdup (val); |
372 | free (conf.pidfilename), conf.pidfilename = strdup (val); |
329 | else if (!strcmp (var, "dns-forw-host")) |
373 | else if (!strcmp (var, "dns-forw-host")) |
… | |
… | |
358 | } |
402 | } |
359 | else if (!strcmp (var, "dns-max-outstanding")) |
403 | else if (!strcmp (var, "dns-max-outstanding")) |
360 | { |
404 | { |
361 | #if ENABLE_DNS |
405 | #if ENABLE_DNS |
362 | conf.dns_max_outstanding = atoi (val); |
406 | conf.dns_max_outstanding = atoi (val); |
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407 | #endif |
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408 | } |
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409 | else if (!strcmp (var, "dns-case-preserving")) |
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410 | { |
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411 | #if ENABLE_DNS |
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412 | parse_bool (conf.dns_case_preserving, "dns-case-preserving", true, false); |
363 | #endif |
413 | #endif |
364 | } |
414 | } |
365 | else if (!strcmp (var, "http-proxy-host")) |
415 | else if (!strcmp (var, "http-proxy-host")) |
366 | { |
416 | { |
367 | #if ENABLE_HTTP_PROXY |
417 | #if ENABLE_HTTP_PROXY |
… | |
… | |
423 | else if (!strcmp (val, "always")) |
473 | else if (!strcmp (val, "always")) |
424 | node->connectmode = conf_node::C_ALWAYS; |
474 | node->connectmode = conf_node::C_ALWAYS; |
425 | else if (!strcmp (val, "disabled")) |
475 | else if (!strcmp (val, "disabled")) |
426 | node->connectmode = conf_node::C_DISABLED; |
476 | node->connectmode = conf_node::C_DISABLED; |
427 | else |
477 | else |
428 | return _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled'. (ignored)"); |
478 | return _("illegal value for 'connectmode', use one of 'ondemand', 'never', 'always' or 'disabled', ignored"); |
429 | } |
479 | } |
430 | else if (!strcmp (var, "inherit-tos")) |
480 | else if (!strcmp (var, "inherit-tos")) |
431 | parse_bool (node->inherit_tos, "inherit-tos", true, false); |
481 | parse_bool (node->inherit_tos, "inherit-tos", true, false); |
432 | else if (!strcmp (var, "compress")) |
482 | else if (!strcmp (var, "compress")) |
433 | parse_bool (node->compress, "compress", true, false); |
483 | parse_bool (node->compress, "compress", true, false); |
… | |
… | |
460 | } |
510 | } |
461 | else if (!strcmp (var, "allow-direct")) |
511 | else if (!strcmp (var, "allow-direct")) |
462 | node->allow_direct.push_back (strdup (val)); |
512 | node->allow_direct.push_back (strdup (val)); |
463 | else if (!strcmp (var, "deny-direct")) |
513 | else if (!strcmp (var, "deny-direct")) |
464 | node->deny_direct.push_back (strdup (val)); |
514 | node->deny_direct.push_back (strdup (val)); |
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515 | else if (!strcmp (var, "max-ttl")) |
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516 | node->max_ttl = atof (val); |
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517 | else if (!strcmp (var, "max-queue")) |
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518 | node->max_queue = atoi (val); |
465 | |
519 | |
466 | // unknown or misplaced |
520 | // unknown or misplaced |
467 | else |
521 | else |
468 | return _("unknown configuration directive. (ignored)"); |
522 | return _("unknown configuration directive - ignored"); |
469 | |
523 | |
470 | return 0; |
524 | return 0; |
471 | } |
525 | } |
472 | |
526 | |
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527 | void |
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528 | conf_node::finalise () |
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529 | { |
|
|
530 | if (max_queue < 1) |
|
|
531 | { |
|
|
532 | slog (L_WARN, _("%s: max-queue value invalid, setting it to 1."), nodename); |
|
|
533 | max_queue = 1; |
|
|
534 | } |
|
|
535 | |
|
|
536 | if (routerprio > 1 && (connectmode != C_ALWAYS && connectmode != C_DISABLED)) |
|
|
537 | { |
|
|
538 | //slog (L_WARN, _("%s: has non-zero router-priority but either 'never' or 'ondemand' as connectmode, setting it to 'always'."), nodename); |
|
|
539 | connectmode = C_ALWAYS; |
|
|
540 | } |
|
|
541 | } |
|
|
542 | |
|
|
543 | void |
473 | void configuration_parser::parse_argv () |
544 | configuration_parser::parse_argv () |
474 | { |
545 | { |
475 | for (int i = 0; i < argc; ++i) |
546 | for (int i = 0; i < argc; ++i) |
476 | { |
547 | { |
477 | char *v = argv [i]; |
548 | char *v = argv [i]; |
478 | |
549 | |
… | |
… | |
499 | if (warn) |
570 | if (warn) |
500 | slog (L_WARN, _("%s, while parsing command line option '%s'."), warn, v); |
571 | slog (L_WARN, _("%s, while parsing command line option '%s'."), warn, v); |
501 | |
572 | |
502 | *v = 0; |
573 | *v = 0; |
503 | } |
574 | } |
|
|
575 | } |
|
|
576 | } |
|
|
577 | |
|
|
578 | void |
|
|
579 | configuration_parser::parse_file (const char *fname) |
|
|
580 | { |
|
|
581 | if (FILE *f = fopen (fname, "r")) |
|
|
582 | { |
|
|
583 | char line [2048]; |
|
|
584 | int lineno = 0; |
|
|
585 | |
|
|
586 | while (fgets (line, sizeof (line), f)) |
|
|
587 | { |
|
|
588 | lineno++; |
|
|
589 | |
|
|
590 | const char *warn = parse_line (line); |
|
|
591 | |
|
|
592 | if (warn) |
|
|
593 | slog (L_WARN, _("%s, at '%s', line %d."), warn, fname, lineno); |
|
|
594 | } |
|
|
595 | |
|
|
596 | fclose (f); |
|
|
597 | |
|
|
598 | parse_argv (); |
|
|
599 | } |
|
|
600 | else |
|
|
601 | { |
|
|
602 | slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno)); |
|
|
603 | exit (EXIT_FAILURE); |
504 | } |
604 | } |
505 | } |
605 | } |
506 | |
606 | |
507 | configuration_parser::configuration_parser (configuration &conf, |
607 | configuration_parser::configuration_parser (configuration &conf, |
508 | bool need_keys, |
608 | bool need_keys, |
509 | int argc, |
609 | int argc, |
510 | char **argv) |
610 | char **argv) |
511 | : conf (conf),need_keys (need_keys), argc (argc), argv (argv) |
611 | : conf (conf),need_keys (need_keys), argc (argc), argv (argv) |
512 | { |
612 | { |
513 | char *fname; |
613 | char *fname; |
514 | FILE *f; |
|
|
515 | |
614 | |
516 | conf.clear (); |
615 | conf.clear (); |
|
|
616 | node = &conf.default_node; |
517 | |
617 | |
518 | asprintf (&fname, "%s/gvpe.conf", confbase); |
618 | asprintf (&fname, "%s/gvpe.conf", confbase); |
519 | f = fopen (fname, "r"); |
619 | parse_file (fname); |
520 | |
|
|
521 | if (f) |
|
|
522 | { |
|
|
523 | char line[16384]; |
|
|
524 | int lineno = 0; |
|
|
525 | node = &conf.default_node; |
|
|
526 | |
|
|
527 | while (fgets (line, sizeof (line), f)) |
|
|
528 | { |
|
|
529 | lineno++; |
|
|
530 | |
|
|
531 | const char *warn = parse_line (line); |
|
|
532 | |
|
|
533 | if (warn) |
|
|
534 | slog (L_WARN, _("%s, at '%s', line %d."), warn, fname, lineno); |
|
|
535 | } |
|
|
536 | |
|
|
537 | fclose (f); |
|
|
538 | |
|
|
539 | parse_argv (); |
|
|
540 | } |
|
|
541 | else |
|
|
542 | { |
|
|
543 | slog (L_ERR, _("unable to read config file '%s': %s"), fname, strerror (errno)); |
|
|
544 | exit (EXIT_FAILURE); |
|
|
545 | } |
|
|
546 | |
|
|
547 | free (fname); |
620 | free (fname); |
548 | |
621 | |
549 | fname = conf.config_filename (conf.prikeyfile, "hostkey"); |
622 | fname = conf.config_filename (conf.prikeyfile, "hostkey"); |
550 | |
623 | |
551 | f = fopen (fname, "r"); |
624 | if (FILE *f = fopen (fname, "r")) |
552 | if (f) |
|
|
553 | { |
625 | { |
554 | conf.rsa_key = RSA_new (); |
626 | conf.rsa_key = RSA_new (); |
555 | |
627 | |
556 | if (!PEM_read_RSAPrivateKey (f, &conf.rsa_key, NULL, NULL)) |
628 | if (!PEM_read_RSAPrivateKey (f, &conf.rsa_key, NULL, NULL)) |
557 | { |
629 | { |
… | |
… | |
569 | slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno)); |
641 | slog (need_keys ? L_ERR : L_NOTICE, _("unable to open private rsa key file '%s': %s"), fname, strerror (errno)); |
570 | |
642 | |
571 | if (need_keys) |
643 | if (need_keys) |
572 | exit (EXIT_FAILURE); |
644 | exit (EXIT_FAILURE); |
573 | } |
645 | } |
|
|
646 | |
|
|
647 | free (fname); |
574 | |
648 | |
575 | if (need_keys && ::thisnode |
649 | if (need_keys && ::thisnode |
576 | && conf.rsa_key && conf.thisnode && conf.thisnode->rsa_key) |
650 | && conf.rsa_key && conf.thisnode && conf.thisnode->rsa_key) |
577 | if (BN_cmp (conf.rsa_key->n, conf.thisnode->rsa_key->n) != 0 |
651 | if (BN_cmp (conf.rsa_key->n, conf.thisnode->rsa_key->n) != 0 |
578 | || BN_cmp (conf.rsa_key->e, conf.thisnode->rsa_key->e) != 0) |
652 | || BN_cmp (conf.rsa_key->e, conf.thisnode->rsa_key->e) != 0) |
579 | { |
653 | { |
580 | slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode); |
654 | slog (L_NOTICE, _("private hostkey and public node key mismatch: is '%s' the correct node?"), ::thisnode); |
581 | exit (EXIT_FAILURE); |
655 | exit (EXIT_FAILURE); |
582 | } |
656 | } |
583 | |
657 | |
584 | free (fname); |
658 | for (configuration::node_vector::iterator i = conf.nodes.begin(); i != conf.nodes.end(); ++i) |
|
|
659 | (*i)->finalise (); |
585 | } |
660 | } |
586 | |
661 | |
|
|
662 | char * |
587 | char *configuration::config_filename (const char *name, const char *dflt) |
663 | configuration::config_filename (const char *name, const char *dflt) |
588 | { |
664 | { |
589 | char *fname; |
665 | char *fname; |
590 | |
666 | |
591 | asprintf (&fname, name ? name : dflt, ::thisnode); |
667 | asprintf (&fname, name ? name : dflt, ::thisnode); |
592 | |
668 | |
… | |
… | |
596 | asprintf (&fname, "%s/%s", confbase, rname); |
672 | asprintf (&fname, "%s/%s", confbase, rname); |
597 | free (rname); |
673 | free (rname); |
598 | } |
674 | } |
599 | |
675 | |
600 | return fname; |
676 | return fname; |
|
|
677 | } |
|
|
678 | |
|
|
679 | void |
|
|
680 | conf_node::print () |
|
|
681 | { |
|
|
682 | printf ("%4d fe:fd:80:00:0%1x:%02x %c %-8.8s %-10.10s %02x %s%s%d\n", |
|
|
683 | id, |
|
|
684 | id >> 8, id & 0xff, |
|
|
685 | compress ? 'Y' : 'N', |
|
|
686 | connectmode == C_ONDEMAND ? "ondemand" |
|
|
687 | : connectmode == C_NEVER ? "never" |
|
|
688 | : connectmode == C_ALWAYS ? "always" |
|
|
689 | : connectmode == C_DISABLED ? "disabled" |
|
|
690 | : "", |
|
|
691 | nodename, |
|
|
692 | protocols, |
|
|
693 | hostname ? hostname : "", |
|
|
694 | hostname ? ":" : "", |
|
|
695 | hostname ? udp_port : 0 |
|
|
696 | ); |
601 | } |
697 | } |
602 | |
698 | |
603 | void |
699 | void |
604 | configuration::print () |
700 | configuration::print () |
605 | { |
701 | { |
… | |
… | |
612 | printf (_("interface: %s\n"), ifname); |
708 | printf (_("interface: %s\n"), ifname); |
613 | printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>"); |
709 | printf (_("primary rsa key: %s\n"), prikeyfile ? prikeyfile : "<default>"); |
614 | printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) * 8 : -1); |
710 | printf (_("rsa key size: %d\n"), rsa_key ? RSA_size (rsa_key) * 8 : -1); |
615 | printf ("\n"); |
711 | printf ("\n"); |
616 | |
712 | |
617 | printf ("%4s %-17s %s %-8.8s %-10.10s %s\n", |
713 | printf ("%4s %-17s %s %-8.8s %-10.10s %04s %s\n", |
618 | _("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Host:Port")); |
714 | _("ID#"), _("MAC"), _("Com"), _("Conmode"), _("Node"), _("Prot"), _("Host:Port")); |
619 | |
715 | |
620 | for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i) |
716 | for (node_vector::iterator i = nodes.begin (); i != nodes.end (); ++i) |
621 | (*i)->print (); |
717 | (*i)->print (); |
622 | |
718 | |
623 | printf ("\n"); |
719 | printf ("\n"); |
… | |
… | |
633 | configuration::~configuration () |
729 | configuration::~configuration () |
634 | { |
730 | { |
635 | cleanup (); |
731 | cleanup (); |
636 | } |
732 | } |
637 | |
733 | |
638 | |
|
|