source: genesis/config/iris/proxy/FreeBSD/8.0-RELEASE/wleiden.pl

Last change on this file was 8963, checked in by rick, 14 years ago

Make sure to query our local recursive DNS server as well, else unable to
resolve wLeiden.NET. or PTR for 172.16.0.0/12 addresses.

While we are here, do cleanup and documention.
  • Property svn:executable set to *
File size: 9.7 KB
Line 
1#!/usr/bin/perl -w
2#
3# Copyright 2005 Stichting Wireless Leiden
4# maart 2004 rick@wirelessleiden.nl
5#
6
7# Config located at other file
8my $conf_file="./genesis.conf";
9do($conf_file) || die("Cann't open $conf_file");
10################ END OF CONFIG ##########################
11
12#variablen
13my $time=gmtime();
14my $source=`/bin/hostname`;
15chomp($source);
16
17
18#slurp IP berekeningen info
19do ("$IP_pmPath") || die ("Cann't open $IP_pmPath");
20#slurp dns info
21#do ("$dnsheader_confPath") || die ("Cann't open $dnsheader_confPath");
22
23
24#zoek uit of het master_ip addr voorkomt in de configs
25#belangrijk van aliassen
26sub master_ipNotUsed {
27 if( $debug ) {
28 print "running master_ipNotUsed...\n";
29 }
30 foreach my $if (keys %config) {
31 if( $IP{$if} =~ /([0-9\.]+).*/ ) {
32 if( $1 eq $master_ip ) {
33 return(0);
34 };
35 };
36 };
37 return(1);
38};
39
40
41
42sub genHeader {
43 my $comment = $_[0];
44 my $output =
45 "$comment This file specific to wireless\n" .
46 "$comment leiden. Please make all changes in Genesis.\n" .
47 "$comment\n" .
48 "$comment Generated by $source\n" .
49 "$comment on $time\n" .
50 "$comment\n" .
51 "$comment $author\n" .
52 "$comment\n\n\n";
53 return ($output);
54};
55
56
57sub txtconfig {
58 my $output = "";
59 foreach $interface (keys %config) {
60 $output .= $config{$interface};
61 };
62 return($output);
63};
64
65
66sub dnsmasq_conf {
67 my $output = genHeader("#");
68 $output .=
69 "# Query all upstream dns servers by default\n" .
70 "all-servers \n" .
71 "# DHCP server options \n" .
72 "dhcp-authoritative \n" .
73 "dhcp-fqdn \n" .
74 "domain=dhcp.$nodename.$domain. \n" .
75 "bogus-priv \n" .
76 "domain-needed \n" .
77 "expand-hosts \n" .
78 "\n" .
79 "# Low memory footprint \n" .
80 "cache-size=10000 \n" .
81 "\n";
82
83 foreach my $interface (sort keys %config) {
84 if( $interface =~ /^[a-z]+[0-9]+$/i ) {
85 (my $ip, my $netmask) = split('/', $IP{$interface});
86 my $subnet = IP::toSubnet($netmask);
87
88 $output .=
89 "## $interface $DESC{$interface}\n";
90
91 if ( $DHCP{$interface} =~ /[0-9]+\-[0-9]+/i ) {
92 my $dhcp_part = $ip;
93 $dhcp_part =~ s/[0-9]+$//;
94 (my $dhcp_start, my $dhcp_stop) = $DHCP{$interface} =~ /([0-9]+)\-([0-9]+)/i;
95 $dhcp_start = $dhcp_part . $dhcp_start;
96 $dhcp_stop = $dhcp_part . $dhcp_stop;
97 $output .= "dhcp-range=$interface,$dhcp_start,$dhcp_stop,$subnet,24h\n\n";
98 }
99 else {
100 $output .= "# not autoritive \n\n";
101 };
102 };
103 };
104
105 return($output);
106};
107
108
109sub dhcpd_conf {
110 my $output = genHeader("#");
111 $output .=
112 "option domain-name \"$domain\";\n" .
113 " \n" .
114 "default-lease-time 7200;\n" .
115 "max-lease-time 2592000;\n" .
116 "\n" .
117 "ddns-update-style none;\n" .
118 "\n" .
119 "# Hack for the WET11\n" .
120 "#\n" .
121 "always-broadcast on;\n" .
122 "\n" .
123 "option domain-name-servers ${master_ip};\n" .
124 "\n";
125
126 foreach my $interface (sort keys %config) {
127 if( $interface =~ /^[a-z]+[0-9]+$/i ) {
128 (my $ip, my $netmask) = split('/', $IP{$interface});
129 my $subnet = IP::toSubnet($netmask);
130 my $broadcast = IP::getBroadcastAddr($ip, $subnet);
131 my $network = IP::getNetworkAddr($ip, $subnet);
132
133 $output .=
134 "# $interface $DESC{$interface}\n";
135
136 if ( $DHCP{$interface} =~ /[0-9]+\-[0-9]+/i ) {
137 my $dhcp_part = $ip;
138 $dhcp_part =~ s/[0-9]+$//;
139 (my $dhcp_start, my $dhcp_stop) = $DHCP{$interface} =~ /([0-9]+)\-([0-9]+)/i;
140 $dhcp_start = $dhcp_part . $dhcp_start;
141 $dhcp_stop = $dhcp_part . $dhcp_stop;
142 $output .=
143 "subnet $network netmask $subnet {\n" .
144 " range $dhcp_start $dhcp_stop;\n" .
145 " option broadcast-address $broadcast;\n" .
146 " option subnet-mask $subnet;\n" .
147 " option routers $ip;\n" .
148 $DHCP_STATIC{$if} .
149 "}\n" .
150 "\n";
151 }
152 else {
153 $output .=
154 "subnet $network netmask $subnet {not authoritative; }\n" .
155 "\n";
156 };
157 };
158 };
159
160 return($output);
161};
162
163sub named_conf {
164 my $output = genHeader("#");
165 $output .=
166 "options {\n" .
167 " directory \"/etc/namedb\"\;\n" .
168 " pid-file \"/var/run/named/pid\"\;\n" .
169 " forwarders {\n";
170 foreach my $forward (@forwarder) {
171 $output .= "$forward;\n";
172 };
173 $output .=
174 " };\n" .
175 "};\n" .
176 "\n" .
177 "\n" .
178 "zone \"\.\" {\n" .
179 " type hint;\n" .
180 " file \"/etc/namedb/named.root\"\;\n" .
181 "}\;\n" .
182 "\n" .
183 "zone \"0\.0\.127\.IN-ADDR.ARPA\" {\n" .
184 " type master\;\n" .
185 " file \"/etc/namedb/master/localhost.rev\"\;\n" .
186 "}\;\n" .
187 "\n" .
188 "zone \"1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.IP6.INT\" {\n" .
189 " type master\;\n" .
190 " file \"/etc/namedb/master/localhost-v6.rev\"\;\n" .
191 "};\n" .
192 "\n";
193
194
195 foreach my $tmpZone (sort keys %zone) {
196 my $dnsZone = $zone{$tmpZone};
197 $output .=
198 "zone \"$tmpZone\" {\n" .
199 " type slave\;\n" .
200 " file \"slave/slave-$tmpZone\"\;\n" .
201 " masters {\n";
202 foreach my $tmpIP (sort @$dnsZone) {
203 $output .= " $tmpIP\;\n";
204 };
205 $output .=
206 " };\n" .
207 "};\n" .
208 "\n";
209 };
210
211 return($output);
212};
213
214
215
216sub rc_conf_local {
217 my $output = genHeader("#");
218 my $masterNotUsed = master_ipNotUsed();
219 $output.=
220 "hostname=\"$nodename.$domain\"\n" .
221 "location=\"$location\"\n" .
222 "\n";
223 if( $gateway ) {
224 $output .=
225 "defaultrouter='$gateway'\n"
226 }
227 if( $tproxy ) {
228 if( $tproxy =~ m/\d+\.\d+\.\d+\.\d+\/\d+/ ) {
229 $output .=
230 "# Tproxy is ran on this system\n".
231 "tproxy_enable='YES'\n".
232 "tproxy_range='$tproxy'\n".
233 "\n";
234 }
235 elsif( $tproxy !~ m/no/i ) {
236 $output .= "# WARNING - specification propably wrong - check " .
237 "genesis. It should be a pure CIDR\n";
238 };
239 };
240
241 $output .= "ifconfig_lo0_alias0=\"inet 172.31.255.1/32\"\n";
242 if( $masterNotUsed ) {
243 $output .= "ifconfig_lo0_alias1=\"inet $master_ip/32\"\n\n";
244 }
245 else {
246 $output .= "#ifconfig_lo0_alias1=\"inet $master_ip/32\"\n\n";
247 };
248
249 foreach my $interface (sort keys %config) {
250 (my $if, my $number) = split(/:/, $interface);
251 if( defined $number ) {
252 $output .= "ifconfig_$if\_alias$number=\"inet $IP{$interface}\"\n";
253 }
254 else {
255 if ( $DHCPCLIENT{$if} =~ /yes/i ) {
256 $output .= "ifconfig_$if=\"DHCP";
257 } else {
258 $output .= "ifconfig_$if=\"inet $IP{$interface}";
259 };
260 $output .= " $CARD_OPTION{$interface}";
261 if( $TYPE{$if} =~ /wireless/i ) {
262 $output .= " ssid $ESSID{$interface}";
263 if ( $SUBTYPE{$if} =~ /802.11a/i ) {
264 $output .= " mode 11a";
265 } elsif ( $SUBTYPE{$if} =~ /802.11g/i ) {
266 $output .= " mode 11g";
267 } else {
268 # Default output
269 $output .= " mode 11b";
270 }
271
272 if( $MODE{$if}=~/master/i ) {
273 $output .= " channel $CHANNEL{$interface}";
274 $output .= " mediaopt hostap";
275 }
276 else {
277 $output .= "";
278 };
279 };
280 $output .= "\"\n";
281 };
282 };
283 $output .= "\n";
284 $output .= "# XXX: Automagic by finding out which IP is in 172.16.0.0/12, perhaps?\n";
285 $output .= "internalif=\"" . $internalif . "\"\n";
286
287 $output .= "\n";
288 $output .= "static_routes=\"wleiden\"\n";
289
290 $output .= "route_wleiden=\"-net 172.16.0.0/12 $internalroute\"\n";
291
292
293 if( $proxyid ) {
294 # ssh-tun requires a four digit port number, so 22 + "??"
295 $proxyid = sprintf("%02i", $proxyid);
296
297 $output .= "\n";
298 $output .= "sshtun_enable=\"YES\"\n";
299 $output .= "sshtun_flags=\"-R 22$proxyid:localhost:22 \"\n";
300 }
301
302 if ( $nat =~ /yes/i ) {
303 $output .= "\n";
304 $output .= "# Firewall inbound NAT option\n";
305 $output .= "firewall_enable=\"YES\"\n";
306 $output .= "firewall_script=\"/etc/ipfw.sh\"\n";
307 $output .= "firewall_nat_enable=\"YES\"\n";
308 $output .= "gateway_enable=\"YES\"\n";
309
310 } else {
311 $output .= "\n";
312 $output .= "# Disable routing\n";
313 $output .= "gateway_enable=\"no\"\n";
314 }
315
316 # Block these ip's
317 if ( $firewall_block ) {
318 $firewall_block=~s/\n/\ /g;
319 $output .= "\n";
320 $output .= "firewall_block=\"$firewall_block\"";
321 }
322
323 return($output);
324};
325
326
327sub resolv_conf {
328 my $output = genHeader"#";
329
330 $output .=
331 "nameserver 127.0.0.1 # Local MaraDNS NameServer\n" .
332 "nameserver 8.8.8.8 # Google Public NameServer\n" .
333 "nameserver 8.8.4.4 # Google Public NameServer\n" .
334 "search wleiden.net";
335
336 return($output);
337};
338
339
340sub parse_config {
341 my $workingfile = $_[0];
342 do($workingfile) || die("Cann't open/parse $workingfile");
343 foreach my $if (keys %config) {
344 my $cfg=$config{$if};
345 while ($cfg) {
346 $cfg=~s/^([^\n\r]+)[\r\n]*//m;
347 my $line=$1;
348 $line=~s/\s*#.*//;
349 if (((my $name, my $value)=split(/=/,$line)) eq 2) {
350 my $doit="if (exists(\$$name\{\"$if\"\})) {\$$name\{\"$if\"\}.=\";$value\";} else {\$$name\{\"$if\"\}.=\"$value\";}";
351 eval($doit);
352 };
353 $cfg=~s/[\r\n]*$//m;
354 };
355 };
356};
357
358sub authorized_keys {
359 my $output = genHeader("#");
360 if( -e "$global_keyPath" ) {
361 open( GLOBAL, "$global_keyPath" ) || die ("Cann't open $global_keyPath");
362 $output .= join("", <GLOBAL>);
363 close( GLOBAL );
364 }
365 else {
366 $output .= "# No $global_keyPath\n";
367 };
368
369 if( -e "$ndir/$nodetype$nodename/$ssh_file" ) {
370 open( NODE, "$ndir/$nodetype$nodename/$ssh_file" ) || die ("Cann't open $home/$nodename/$ssh_file");
371 $output .= join("", <NODE>);
372 close( NODE );
373 }
374 else {
375 $output .= "# No $ndir/$nodetype$nodename/$ssh_file\n";
376 };
377
378 return($output);
379};
380
381sub do_it {
382 my $file = $_[0];
383 my $body = "";
384
385 $file =~ s/\./_/g;
386 $body=&$file;
387 return($body);
388};
389
390if( exists $ARGV[0] ) {
391 if( exists $ARGV[1] ) {
392 parse_config($ARGV[0]);
393 print do_it($ARGV[1]);
394 }
395 else {
396 print "Usage `perl wleiden.pl 'inputfile' 'outputfile'`\n";
397 };
398};
399
4001;
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