/[pxelator]/lib/PXElator/httpd.pm
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Contents of /lib/PXElator/httpd.pm

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Revision 403 - (show annotations)
Tue Sep 8 20:38:26 2009 UTC (14 years, 7 months ago) by dpavlin
File size: 12441 byte(s)
rebuild mac links
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 our $title;
23
24 sub html_start {
25 qq{
26 <html>
27 <head>
28 <title>$title</title>
29 </head>
30 <body>
31 }}
32
33 sub html_end {
34 qq{
35 </body>
36 </html>
37 }}
38
39 sub menu {
40 qq{
41 <div style="font-size: 80%; color: #888">
42 <a href=/>home</a>
43 <a href=/server>server</a>
44 <a href=/brctl>brctl</a>
45 <a href=/ip>ip</a>
46 <a href=/nmap>nmap</a>
47 <a href=/client>client</a>
48 </div>
49
50 }}
51
52 our $port = 7777;
53
54 use server;
55 our $debug = server::debug;
56 our $url = "http://$server::ip:$port";
57
58 use html;
59 our $static_pids;
60 use progress_bar;
61 use config;
62 use client;
63 use log;
64 use x11;
65 use amt;
66 use boolean;
67 use daemons;
68
69 use kvm;
70 use browser;
71 use network;
72 use ip;
73 use wireshark;
74 use syslogd;
75 use nmap;
76 use ping;
77 use wol;
78
79 use CouchDB;
80
81 sub static {
82 my ($client,$path) = @_;
83
84 my $full = "$server::base_dir/tftp/$path";
85
86 return if ! -f $full;
87
88 return if $full =~ m{\.ico$};
89
90 if ( my $pid = fork ) {
91 # parent
92 close($client);
93 $static_pids->{$pid} = $path;
94 return 1;
95 }
96
97 my $type = 'application/octet-stream';
98 $type = 'text/html' if $path =~ m{\.htm};
99 $type = 'application/javascript' if $path =~ m{\.js};
100 $type = 'text/plain' if $path =~ m{\.txt};
101
102 my $size = -s $full || return;
103
104 print $client "HTTP/1.0 200 OK\r\nContent-Type: $type\r\nContent-Length: $size\r\nConnection: close\r\n\r\n";
105
106 open(my $fh, $full);
107
108 my $block = 1400; # try not to fragment packages (pxelinux seems to have problems with it)
109 my $buff;
110 my $pos = 0;
111
112 CouchDB::audit( 'static', { pid => $$, path => $path, type => $type, size => $size, block => $block, peerhost => $client->peerhost });
113
114 progress_bar::start;
115
116 while( my $len = read $fh, $buff, $block ) {
117 print $client $buff;
118 $client->flush;
119 $pos += $len;
120 progress_bar::tick( $path, $pos, $size );
121 }
122 close($fh);
123 close($client);
124
125 print STDERR "\n";
126
127 exit(0);
128 }
129
130 sub ok {
131 qq|HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n| . html_start() . menu()
132 }
133
134 sub redirect {
135 my $to = shift;
136 $to ||= $url;
137 qq|HTTP/1.1 302 Found\r\nContent-type: text/html\r\nLocation: $to\r\n\r\n|
138 }
139
140 sub get_request {
141 my ( $client, $path, $param ) = @_;
142
143 server->refresh;
144
145 CouchDB::audit( 'request', { path => $path, param => $param, peerhost => $client->peerhost } );
146
147 $title = $path;
148
149 if ( my $found = static( $client,$path ) ) {
150 warn "static $found" if $debug;
151 } elsif ( $path eq '/' ) {
152
153 my @rows;
154
155 my $debug_proc = '';
156
157 warn "XXX pids = ", dump( $daemons::pids );
158
159 foreach my $name ( sort keys %$daemons::pids ) {
160 my $pid = $daemons::pids->{$name}; # || next;
161
162 my $html;
163
164 my $proc = "/proc/$pid/status";
165
166 if ( -e $proc ) {
167 $html .= qq|<a href=/start_stop/$name>$pid</a>|;
168 if ( $debug ) {
169 $html .= qq| <a name=$pid href=#proc-$pid>?</a>| if $name->can('start');
170
171 $debug_proc
172 .= qq|<a name=proc-$pid href=#$pid>$proc</a><pre style="font-size: 10%">|
173 . read_file($proc)
174 . qq|</pre>|
175 ;
176 }
177
178 my $class = $name;
179 $class =~ s{\.\d+$}{};
180
181 if ( $class->can('fork_if_active') ) {
182 $html .= qq| <a href=/start_stop/$name/$_>$_</a>| foreach $class->fork_if_active;
183 }
184
185 if ( $class->can('actions') ) {
186 $html .= qq| <a href=/action/$name/$_>$_</a>| foreach $class->actions;
187 }
188 } else {
189 if ( $pid =~ m{^\d+$} ) {
190 $html .= qq|$pid exited |
191 } else {
192 $html .= qq|$pid |;
193 }
194 $html .= qq|<a href=/start_stop/$name>restart</a>| if $pid || $name->can('start');
195 if ( $name->can('fork_actions') ) {
196 $html .= qq| <a href=/start_stop/$name/$_>$_</a>| foreach $name->fork_actions;
197 }
198 }
199
200 die "no html generated" unless $html;
201
202 push @rows, ( $name => $html );
203 }
204
205 my $below_table = '';
206
207 warn 'static_pids: ', dump( $static_pids ) if $debug;
208 foreach my $pid ( keys %$static_pids ) {
209 my $path = $static_pids->{$pid};
210 if ( -d "/proc/$pid" ) {
211 push @rows, ( $path => qq|<a href=/kill/static/$pid>$pid</a>| );
212 } elsif ( $param->{clean_completed_downloads} ) {
213 delete $static_pids->{$pid}
214 } else {
215 push @rows, ( $path => "$pid competed" );
216 $below_table = qq|<a href="/?clean_completed_downloads=1">clean completed downloads</a>|;
217 }
218 }
219
220 print $client ok
221 , html::table( 2, @rows )
222 , $below_table
223 , html::tabs( log::mac_changes )
224 , $debug_proc
225 ;
226
227 } elsif ( $path =~ m{^/server} ) {
228 foreach my $name ( keys %$param ) {
229 eval '$server::' . $name . '= $param->{$name}';
230 }
231 my @table = (
232 'debug' => qq|<a href=/our/debug/| . boolean::toggle($debug) . qq|>$debug</a>|,
233 , 'new_clients' => qq|<input type=text name=new_clients size=3 value="$server::new_clients">|
234 );
235
236 foreach my $editable ( 'ip', 'netmask', 'ip_from', 'ip_to', 'domain' ) {
237 my $v = eval '$server::' . $editable;
238 push @table, ( $editable, qq|<input type=text name=$editable value="$v">| );
239 }
240
241 foreach my $readonly ( 'base_dir', 'conf' ) {
242 my $v = eval '$server::' . $readonly;
243 push @table, ( $readonly, html::tt $v );
244 }
245
246 print $client ok
247 , qq|<form method=get>|
248 , html::table( 2, @table )
249 , qq|
250 <input type=submit name=action value=change>
251 </form>
252 |
253 ;
254
255 } elsif ( $path =~ m!^/client(?:/$RE{net}{IPv4}{-keep})?! ) {
256 my $ip = $1;
257 $title = $ip;
258
259 if ( $param->{action} eq 'remove' ) {
260 client::remove( $param->{change_ip} );
261 print $client redirect("$url/client");
262 return;
263 } elsif ( $param->{action} eq 'change' ) {
264 if ( my $new_ip = client::change_ip( $ip, $param->{change_ip} ) ) {
265 print $client redirect("$url/client#$new_ip");
266 return;
267 }
268 }
269
270 if ( ! $ip ) {
271 my $peer_ip = $client->peerhost;
272
273 my $netmask = ip::to_int $server::netmask;
274 my $network = ip::to_int($server::ip) & $netmask;
275 my $from_int = $network | $server::ip_from;
276 my $to_int = $network | $server::ip_to;
277 my $ip_int = ip::to_int $peer_ip;
278
279 # show edit for clients in our dhcp range
280 if ( $ip_int >= $from_int && $ip_int <= $to_int ) {
281 $ip = $peer_ip;
282 }
283 }
284
285 if ( $ip && $ip ne $server::ip ) {
286
287 my @editable = ( qw/hostname config homepage/ );
288
289 client::conf( $ip, $_ => $param->{$_} ) foreach @editable;
290
291 my $conf = client::all_conf( $ip );
292 my $config = delete $conf->{config};
293
294 my $nmap = qq|<a href=/nmap?scan=$ip>nmap</a>|;
295 my @table = (
296 'ping' => ping::host($ip)
297 ? qq|<span style="color:green">up</span> $nmap|
298 : qq|<span style="color: red">down</span> <a href=/wol/$ip>wol</a> $nmap|
299 ,
300 'ip' => qq|<input type=text name=change_ip value="$ip" onChange="document.getElementById('old_ip').style.display = '';"><span id=old_ip style="display: none; color: #888;">old: $ip<span>|,
301 'mac' => format::mac( delete $conf->{mac}, 'html' ),
302 'hostname' => qq|<input type=text name=hostname value="| . delete($conf->{hostname}) . qq|">|,
303 'config' => html::select( 'config', $config, config::available ),
304 html::conf( $ip, $conf, 'edit', @editable )
305 );
306
307 print $client ok
308 , qq|<form method=get>|
309 , html::table( 2, @table ),
310 , qq|
311 <input type=submit name=action value=change>
312 <input type=submit name=action value=remove style="color: red">
313 </form>|
314 ;
315
316 if ( $config ) {
317 if ( my $for_ip = config::for_ip( $ip ) ) {
318 print $client qq|<h2>config::for_ip</h2>| . html::pre( $for_ip );
319 }
320 }
321
322 if ( $conf->{amt} ) {
323 print $client qq|<h2>amt network</h2>|, html::pre_dump( amt::network( $ip ) );
324 print $client qq|<h2>amt log</h2>|, html::pre_dump( amt::log( $ip ) );
325 }
326
327 } else {
328
329 my @ping;
330 if ( my $host = $param->{ping_target} ) {
331 @ping = ( $host );
332 } elsif ( $param->{ping} ) {
333 @ping = client::all_ips;
334 }
335
336 my $ping = ping::fping( @ping ) if @ping;
337 my $arp = client::arp_mac_dev;
338
339 print $client ok
340 , qq|<h2>Clients on $server::ip</h2>|
341 , html::table( -5,
342 'ip', 'mac', 'dev', 'hostname', 'conf',
343 map {
344 my $ip = $_;
345 my $conf = client::all_conf( $ip );
346 my $mac = delete $conf->{mac} || '';
347 my $style;
348 $style
349 = 'style="color:'
350 . ( $ping->{$ip} ? 'green' : 'red' )
351 . '"'
352 if $ping;
353 $style ||= '';
354 (
355 qq|<a $style name=$ip target=$ip href=/client/$ip>$ip</a>|
356 , format::mac( $mac => 'html' )
357 , $arp->{$mac}
358 , delete $conf->{hostname}
359 , html::conf( $ip, $conf, 'inline' )
360 )
361 } client::all_ips
362 )
363 ;
364 print $client qq|
365 <form method=get>
366 <input type=text name=ping_target size=15>
367 <input type=submit name=ping value=ping>
368 </form>
369 |;
370 }
371
372
373 } elsif ( $path =~ m{^/brctl} ) {
374
375 system 'brctl addif virtual ' . $param->{addif} if $param->{addif};
376 system 'brctl delif virtual ' . $param->{delif} if $param->{delif};
377
378 my $in_virtual;
379
380 my @table =
381 map {
382 my @c = split(/\t+/,$_,4);
383 if ( $#c == 1 ) {
384 $in_virtual->{ $c[1] }++;
385 @c = ( '', '', '', $c[1] );
386 } else {
387 $in_virtual->{ $c[3] }++;
388 }
389 if ( $c[3] =~ m{\d$} ) {
390 $c[3] = qq|<input type=submit name=delif value=$c[3] style="color:red" title="remove $c[3] from bridge">|;
391 }
392 @c
393 } split(/\n/, `brctl show`)
394 ;
395
396 my @add_ifs = grep { ! $in_virtual->{$_} && $_ ne 'virtual' } ip::devices_up;
397
398 push @table, ( '', '', '', html::select( 'addif', @add_ifs ) . qq|<input type=submit value=add></form>| );
399
400 print $client ok
401 , qq|<form>|
402 , html::table( -4, @table )
403 , qq|</form>|
404 ;
405
406
407 } elsif ( $path =~ m{^/ip/?(\w+)?} ) {
408 print $client ok
409 , join("\n", map { qq|<a href=/ip/$_>$_</a>| } ( qw/link addr route neigh ntable tunnel maddr mroute xfrm/ ))
410 , ip::html( $1 )
411 ;
412 } elsif ( $path =~ m{^/nmap} ) {
413 if ( my $scan = $param->{scan} ) {
414 nmap::scan( $scan );
415 print $client redirect("$url/client#$scan");
416 } else {
417 print $client ok, qq|
418 <form method=get>
419 <input type=text name=scan>
420 <input type=submit value=scan>
421 </form>
422 |;
423 }
424 } elsif ( $path =~ m{^/wol/(\S+)} ) {
425 print $client redirect( "$url/client/$1" ), wol::power_on($1);
426 } elsif ( $path =~ m!^/amt/(\w+)/$RE{net}{IPv4}{-keep}! ) {
427 my ( $run, $ip ) = ( $1, $2 );
428 print $client redirect( "$url/client/$ip" ), amt::RemoteControl( $ip, $run );
429 } elsif ( $path =~ m{^/our/(\w+)/(\S+)} ) {
430 eval 'our $' . $1 . ' = ' . $2;
431 warn $@ if $@;
432 print $client redirect($url), qq|<big>$1 = $2</big><br>Location: <a href="$url">$url</a>|;
433 server::debug( $debug ) if $1 eq 'debug';
434 } elsif ( $path =~ m{^/start_stop/(\S+)} ) {
435 print $client redirect, daemons::start_stop($1,$param);
436 } elsif ( $path =~ m{^/action/([^/]+)/(.+)} ) {
437 my ( $package, $method ) = ( $1, $2 );
438 $ENV{nr} = $1 if $package =~ s{\.(\d+)$}{};
439 $package->$method();
440 print $client redirect;
441 } elsif ( $path =~ m{^/kill/static/(\d+)} ) {
442 print $client redirect;
443 kill 1, $1 || kill 9, $2 && warn "killed $1";
444 } else {
445 print $client "HTTP/1.0 404 $path\r\nConnection: close\r\nContent-type: text/html\r\n\r\n<big>404 $path</big>";
446 warn "404 $path";
447 }
448
449 }
450
451 sub start {
452
453 warn 'network ', network::setup();
454
455 daemons::start_stop 'browser', { url => $url };
456 daemons::start_stop $_ foreach ( qw/dhcpd tftpd dnsd syslogd/ );
457 # daemons::start_stop 'kvm' unless $ENV{DEV}; # skip kvm statup when running on real device
458
459 my $server = IO::Socket::INET->new(
460 Proto => 'tcp',
461 LocalAddr => $server::ip,
462 LocalPort => $httpd::port,
463 Listen => SOMAXCONN,
464 Reuse => 1
465 ) || die "can't start server on $url: $!";
466
467 print "url $url\n";
468
469 syslogd::install_local;
470 client::rebuild_mac_links;
471
472 while (1) {
473 my $client = $server->accept() || next; # ALARM trickle us
474 my $request = <$client>;
475
476 warn "request $request\n" if $debug;
477
478 if ($request =~ m{^GET (/.*) HTTP/1.[01]}) {
479 my $path = $1;
480 $path =~ s/%([0-9A-Fa-f]{2})/chr(hex($1))/ge;
481 my $param;
482 if ( $path =~ s{\?(.+)}{} ) {
483 foreach my $p ( split(/[&;]/, $1) ) {
484 my ($n,$v) = split(/=/, $p, 2);
485 $param->{$n} = $v;
486 }
487 warn "param: ",dump( $param ) if $debug;
488 }
489 get_request $client, $path, $param;
490 } else {
491 print $client "HTTP/1.0 500 No method\r\nConnection: close\r\nContent-type: text/plain\r\n\r\n500 $request";
492 warn "500 $request";
493 }
494
495 print $client menu() . html_end() if $client->connected;
496
497 }
498
499 die "server died";
500 }
501
502 warn "loaded";
503
504 1;

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