/[pxelator]/lib/PXElator/httpd.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Contents of /lib/PXElator/httpd.pm

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Revision 311 - (show annotations)
Thu Aug 27 17:44:03 2009 UTC (13 years, 5 months ago) by dpavlin
File size: 9569 byte(s)
added nmap scanning and discovery of network
1 package httpd;
2
3 use warnings;
4 use strict;
5 use autodie;
6
7 =head1 httpd
8
9 Start with:
10
11 perl -Ilib/PXElator -Mhttpd -e httpd::start
12
13 =cut
14
15 use Data::Dump qw/dump/;
16 use Carp qw/confess/;
17 use File::Slurp;
18 #use JSON;
19 use IO::Socket::INET;
20 use Regexp::Common qw/net/;
21
22 sub menu {qq{
23
24 <div style="font-size: 80%; color: #888">
25 <a href=/>home</a>
26 <a href=/server>server</a>
27 <a href=/brctl>brctl</a>
28 <a href=/ip>ip</a>
29 <a href=/nmap>nmap</a>
30 <a href=/client>client</a>
31 </div>
32
33 }}
34
35 our $port = 7777;
36
37 use server;
38 our $debug = server::debug;
39 our $url = "http://$server::ip:$port";
40
41 use html;
42 our $static_pids;
43 use progress_bar;
44 use config;
45 use client;
46 use log;
47 use x11;
48 use amt;
49 use boolean;
50 use daemons;
51
52 use kvm;
53 use browser;
54 use network;
55 use ip;
56 use wireshark;
57 use syslogd;
58 use nmap;
59
60 use CouchDB;
61
62 sub static {
63 my ($client,$path) = @_;
64
65 my $full = "$server::base_dir/tftp/$path";
66
67 return if ! -f $full;
68
69 if ( my $pid = fork ) {
70 # parent
71 close($client);
72 $static_pids->{$pid} = $path;
73 return 1;
74 }
75
76 my $type = 'application/octet-stream';
77 $type = 'text/html' if $path =~ m{\.htm};
78 $type = 'application/javascript' if $path =~ m{\.js};
79 $type = 'text/plain' if $path =~ m{\.txt};
80
81 my $size = -s $full || return;
82
83 print $client "HTTP/1.0 200 OK\r\nContent-Type: $type\r\nContent-Length: $size\r\nConnection: close\r\n\r\n";
84
85 open(my $fh, $full);
86
87 my $block = 1400; # try not to fragment packages (pxelinux seems to have problems with it)
88 my $buff;
89 my $pos = 0;
90
91 CouchDB::audit( 'static', { pid => $$, path => $path, type => $type, size => $size, block => $block, peerhost => $client->peerhost });
92
93 progress_bar::start;
94
95 while( my $len = read $fh, $buff, $block ) {
96 print $client $buff;
97 $client->flush;
98 $pos += $len;
99 progress_bar::tick( $path, $pos, $size );
100 }
101 close($fh);
102 close($client);
103
104 print STDERR "\n";
105
106 exit(0);
107 }
108
109 sub ok {
110 qq|HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n| . menu()
111 }
112
113 sub redirect {
114 my $to = shift;
115 $to ||= $url;
116 qq|HTTP/1.1 302 Found\r\nContent-type: text/html\r\nLocation: $to\r\n\r\n|
117 }
118
119 sub get_request {
120 my ( $client, $path, $param ) = @_;
121
122 server->refresh;
123
124 CouchDB::audit( 'request', { path => $path, param => $param, peerhost => $client->peerhost } );
125
126 if ( my $found = static( $client,$path ) ) {
127 warn "static $found" if $debug;
128 } elsif ( $path eq '/' ) {
129
130 my @rows;
131
132 my $debug_proc = '';
133
134 warn "XXX pids = ", dump( $daemons::pids );
135
136 foreach my $name ( sort keys %$daemons::pids ) {
137 my $pid = $daemons::pids->{$name}; # || next;
138
139 my $html;
140
141 my $proc = "/proc/$pid/status";
142
143 if ( -e $proc ) {
144 $html .= qq|<a href=/start_stop/$name>$pid</a>|;
145 if ( $debug ) {
146 $html .= qq| <a name=$pid href=#proc-$pid>?</a>| if $name->can('start');
147
148 $debug_proc
149 .= qq|<a name=proc-$pid href=#$pid>$proc</a><pre style="font-size: 10%">|
150 . read_file($proc)
151 . qq|</pre>|
152 ;
153 }
154
155 if ( $name->can('fork_if_active') ) {
156 $html .= qq| <a href=/start_stop/$name/$_>$_</a>| foreach $name->fork_if_active;
157 }
158
159 if ( $name->can('actions') ) {
160 $html .= qq| <a href=/action/$name/$_>$_</a>| foreach $name->actions;
161 }
162 } else {
163 if ( $pid =~ m{^\d+$} ) {
164 $html .= qq|$pid exited |
165 } else {
166 $html .= qq|$pid |;
167 }
168 $html .= qq|<a href=/start_stop/$name>restart</a>| if $pid || $name->can('start');
169 if ( $name->can('fork_actions') ) {
170 $html .= qq| <a href=/start_stop/$name/$_>$_</a>| foreach $name->fork_actions;
171 }
172 }
173
174 die "no html generated" unless $html;
175
176 push @rows, ( $name => $html );
177 }
178
179 my $below_table = '';
180
181 warn 'static_pids: ', dump( $static_pids ) if $debug;
182 foreach my $pid ( keys %$static_pids ) {
183 my $path = $static_pids->{$pid};
184 if ( -d "/proc/$pid" ) {
185 push @rows, ( $path => qq|<a href=/kill/static/$pid>$pid</a>| );
186 } elsif ( $param->{clean_completed_downloads} ) {
187 delete $static_pids->{$pid}
188 } else {
189 push @rows, ( $path => "$pid competed" );
190 $below_table = qq|<a href="/?clean_completed_downloads=1">clean completed downloads</a>|;
191 }
192 }
193
194 print $client ok
195 , html::table( 2, @rows )
196 , $below_table
197 , html::tabs( log::mac_changes )
198 , $debug_proc
199 ;
200
201 } elsif ( $path =~ m{^/server} ) {
202 print $client ok
203 , html::table( 2,
204 'debug' => qq|<a href=/our/debug/| . boolean::toggle($debug) . qq|>$debug</a>|,
205 map {
206 ( $_, html::tt eval '$server::'.$_ )
207 } ( 'ip', 'netmask', 'ip_from', 'ip_to', 'domain_name', 'base_dir', 'conf' )
208 )
209 ;
210 } elsif ( $path =~ m!^/client(?:/$RE{net}{IPv4}{-keep})?! ) {
211 my $ip = $1 || $client->peerhost;
212
213 if ( my $new_ip = $param->{change_ip} ) {
214 client::change_ip( $ip, $new_ip );
215 $ip = $new_ip;
216 }
217
218 my $ip_short = (split(/\./, $ip, 4))[3];
219
220 # if ( $ip ne $server::ip ) -- not flexible enough for tunnel endpoints
221 if ( $ip_short >= $server::ip_from && $ip_short <= $server::ip_to ) {
222 my $hostname = client::conf( $ip, 'hostname' => $param->{hostname} );
223
224 my @table = (
225 'ip' => qq|<input type=text name=change_ip value="$ip" onChange="document.getElementById('old_ip').style.display = '';"><span id=old_ip style="display: none; color: #888;">old: $ip<span>|,
226 'hostname' => qq|<input type=text name=hostname value="$hostname">|,
227 );
228
229 my $deploy;
230
231 if ( my $mac = client::mac_from_ip( $ip ) ) {
232 $deploy = client::conf( $ip, 'deploy' => $param->{deploy} );
233 push @table, (
234 'mac' => format::mac( $mac => 'html' ),
235 'deploy' => html::select( 'deploy', $deploy, config::available )
236 );
237 if ( my $pxelinux = config::for_ip( $ip ) ) {
238 $deploy = qq|<h2>PXElinux</h2>| . html::pre( $pxelinux );
239 }
240 }
241
242 print $client ok
243 , qq|<form method=get>|
244 , html::table( 2, @table ),
245 , qq|<input type=submit value=change></form>|
246 , $deploy
247 ;
248
249 if ( my $amt = client::conf( $ip, 'amt' ) ) {
250 print $client qq|<h2>AMT</h2>|, amt::info( $amt, $ip );
251 }
252 } else {
253
254 my $arp = {
255 map {
256 my @c = split(/\s+/,$_);
257 if ( $#c == 5 ) {
258 client::save_ip_mac( $c[0], $c[3] );
259 ( uc $c[3] => [ $c[0] , $c[5] ] )
260 } else {
261 }
262 } read_file('/proc/net/arp')
263 };
264
265 warn "# arp ",dump( $arp );
266
267 print $client ok
268 , qq|<h2>Clients on $server::ip</h2>|
269 , html::table( -6,
270 'ip', 'mac', 'arp', 'hostname', 'deploy', 'conf',
271 map {
272 my $ip = $_;
273 my $conf = client::all_conf( $ip );
274 my $mac = delete $conf->{mac} || '';
275 (
276 qq|<a name=$ip href=/client/$ip>$ip</a>|
277 , format::mac( $mac => 'html' )
278 , ( $arp->{$mac} ? $arp->{$mac}->[1] : '' )
279 , delete $conf->{hostname}
280 , delete $conf->{deploy}
281 , ( %$conf ? html::pre_dump( $conf ) : qq|<a href=/nmap?scan=$ip>nmap</a>| )
282 );
283 }
284 sort { ip::to_int($a) cmp ip::to_int($b) }
285 map {
286 my $ip = $_;
287 $ip =~ s{^.+/ip/}{};
288 $ip;
289 } glob("$server::conf/ip/*")
290 )
291 , qq|<h2>ARP</h2>|
292 , html::table( -3, 'ip', 'mac', 'dev',
293 map {
294 my $c = $arp->{$_};
295 ( $c->[0], format::mac( $_ => 'html' ), $c->[1] )
296 } sort keys %$arp
297 )
298 ;
299 }
300 } elsif ( $path =~ m{^/brctl} ) {
301 print $client ok
302 ,html::pre( `brctl show` )
303 ;
304 } elsif ( $path =~ m{^/ip/?(\w+)?} ) {
305 print $client ok
306 , join("\n", map { qq|<a href=/ip/$_>$_</a>| } ( qw/link addr route neigh ntable tunnel maddr mroute xfrm/ ))
307 , ip::html( $1 )
308 ;
309 } elsif ( $path =~ m{^/nmap} ) {
310 if ( my $scan = $param->{scan} ) {
311 nmap::scan( $scan );
312 print $client redirect("$url/client#$scan");
313 } else {
314 print $client ok, qq|
315 <form method=get>
316 <input type=text name=scan>
317 <input type=submit value=scan>
318 </form>
319 |;
320 }
321 } elsif ( $path =~ m{^/our/(\w+)/(\S+)} ) {
322 eval 'our $' . $1 . ' = ' . $2;
323 warn $@ if $@;
324 print $client redirect($url), qq|<big>$1 = $2</big><br>Location: <a href="$url">$url</a>|;
325 server::debug( $debug ) if $1 eq 'debug';
326 } elsif ( $path =~ m{^/start_stop/(\S+)} ) {
327 print $client redirect, daemons::start_stop($1);
328 } elsif ( $path =~ m{^/action/([^/]+)/(.+)} ) {
329 $1->$2();
330 print $client redirect;
331 } elsif ( $path =~ m{^/kill/static/(\d+)} ) {
332 print $client redirect;
333 kill 1, $1 || kill 9, $2 && warn "killed $1";
334 } else {
335 print $client "HTTP/1.0 404 $path\r\nConnection: close\r\nContent-type: text/html\r\n\r\n<big>404 $path</big>";
336 warn "404 $path";
337 }
338
339 }
340
341 sub start {
342
343 warn 'network ', network::setup();
344
345 daemons::start_stop 'browser', $url;
346 daemons::start_stop $_ foreach ( qw/dhcpd tftpd dnsd syslogd/ );
347 daemons::start_stop 'kvm' unless $ENV{DEV}; # skip kvm statup when running on real device
348
349 my $server = IO::Socket::INET->new(
350 Proto => 'tcp',
351 LocalAddr => $server::ip,
352 LocalPort => $httpd::port,
353 Listen => SOMAXCONN,
354 Reuse => 1
355 ) || die "can't start server on $url: $!";
356
357 print "url $url\n";
358
359 while (1) {
360 my $client = $server->accept() || next; # ALARM trickle us
361 my $request = <$client>;
362
363 warn "request $request\n" if $debug;
364
365 if ($request =~ m{^GET (/.*) HTTP/1.[01]}) {
366 my $path = $1;
367 my $param;
368 if ( $path =~ s{\?(.+)}{} ) {
369 foreach my $p ( split(/[&;]/, $1) ) {
370 my ($n,$v) = split(/=/, $p, 2);
371 $param->{$n} = $v;
372 }
373 warn "param: ",dump( $param ) if $debug;
374 }
375 get_request $client, $path, $param;
376 } else {
377 print $client "HTTP/1.0 500 No method\r\nConnection: close\r\nContent-type: text/plain\r\n\r\n500 $request";
378 warn "500 $request";
379 }
380
381 print $client menu() if $client->connected;
382
383 }
384
385 die "server died";
386 }
387
388 warn "loaded";
389
390 1;

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