/[pxelator]/lib/PXElator/httpd.pm
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Revision 543 - (show annotations)
Sat Oct 9 12:38:00 2010 UTC (11 years ago) by dpavlin
File size: 15151 byte(s)
add params with config prefix if config exists
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 use POSIX qw(strftime);
22
23 our $title;
24
25 sub html_start {
26 qq{
27 <html>
28 <head>
29 <title>$title</title>
30 </head>
31 <body>
32 }}
33
34 sub html_end {
35 qq{
36 </body>
37 </html>
38 }}
39
40 our $port = 7777;
41
42 use server;
43 our $debug = server::debug;
44 our $url = "http://$server::ip:$port";
45
46 use html;
47 our $static_pids;
48 use progress_bar;
49 use config;
50 use client;
51 use log;
52 use x11;
53 use amt;
54 use daemons;
55
56 use kvm;
57 use browser;
58 use network;
59 use ip;
60 use wireshark;
61 use syslogd;
62 use nmap;
63 use ping;
64 use wol;
65
66 use store;
67
68
69 sub menu {
70 my $store_url = $url;
71 $store_url =~ s{:\d+.+}{:28017};
72 qq{
73 <div style="font-size: 80%; color: #888">
74 <a target=pids href=/ >home</a>
75 |
76 <a target=server href=/server >server</a>
77 <a target=server href=/brctl >brctl</a>
78 <a target=server href=/ip >ip</a>
79 |
80 <a target=store href=$store_url >MongoDB</a>
81 <a target=store href=/store/latest >latest</a>
82 |
83 <a target=client href=/nmap >nmap</a>
84 <a target=client href=/client >client</a>
85 </div>
86
87 }}
88
89
90 sub static {
91 my ($client,$path) = @_;
92
93 my $full = "$server::base_dir/tftp/$path";
94
95 return if ! -f $full;
96
97 return if $full =~ m{\.ico$};
98
99 if ( my $pid = fork ) {
100 # parent
101 close($client);
102 $static_pids->{$pid} = $path;
103 return 1;
104 }
105
106 my $type = 'application/octet-stream';
107 $type = 'text/html' if $path =~ m{\.htm};
108 $type = 'application/javascript' if $path =~ m{\.js};
109 $type = 'text/plain' if $path =~ m{\.txt};
110
111 my $size = -s $full || return;
112
113 print $client "HTTP/1.0 200 OK\r\nContent-Type: $type\r\nContent-Length: $size\r\nConnection: close\r\n\r\n";
114
115 open(my $fh, $full);
116
117 my $block = 1400; # try not to fragment packages (pxelinux seems to have problems with it)
118 my $buff;
119 my $pos = 0;
120
121 store::audit( 'static', { pid => $$, path => $path, type => $type, size => $size, block => $block, peerhost => $client->peerhost });
122
123 progress_bar::start;
124
125 while( my $len = read $fh, $buff, $block ) {
126 print $client $buff;
127 $client->flush;
128 $pos += $len;
129 progress_bar::tick( $path, $pos, $size );
130 }
131 close($fh);
132 close($client);
133
134 print STDERR "\n";
135
136 exit(0);
137 }
138
139 sub ok {
140 qq|HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n| . html_start() . menu()
141 }
142
143 sub redirect {
144 my $to = shift;
145 $to ||= $url;
146 qq|HTTP/1.1 302 Found\r\nContent-type: text/html\r\nLocation: $to\r\n\r\n|
147 }
148
149 sub toggle {
150 my $v = shift;
151 return $v ? 0 : 1;
152 }
153
154 sub get_request {
155 my ( $client, $path, $param ) = @_;
156
157 server->refresh;
158
159 store::audit( 'request', { path => $path, param => $param, peerhost => $client->peerhost } );
160
161 $title = $path;
162
163 if ( my $found = static( $client,$path ) ) {
164 warn "static $found" if $debug;
165 } elsif ( $path eq '/' ) {
166
167 my @rows;
168
169 my $debug_proc = '';
170
171 warn "XXX pids = ", dump( $daemons::pids );
172
173 foreach my $name ( sort keys %$daemons::pids ) {
174 my $pid = $daemons::pids->{$name}; # || next;
175
176 my $html;
177
178 my $proc = "/proc/$pid/status";
179
180 if ( -e $proc ) {
181 $html .= qq|<a href=/start_stop/$name>$pid</a>|;
182 if ( $debug ) {
183 $html .= qq| <a name=$pid href=#proc-$pid>?</a>| if $name->can('start');
184
185 $debug_proc
186 .= qq|<a name=proc-$pid href=#$pid>$proc</a><pre style="font-size: 10%">|
187 . read_file($proc)
188 . qq|</pre>|
189 ;
190 }
191
192 my $class = $name;
193 $class =~ s{\.\d+$}{};
194
195 if ( $class->can('fork_if_active') ) {
196 $html .= qq| <a href=/start_stop/$name/$_>$_</a>| foreach $class->fork_if_active;
197 }
198
199 if ( $class->can('actions') ) {
200 $html .= qq| <a href=/action/$name/$_>$_</a>| foreach $class->actions;
201 }
202 } else {
203 if ( $pid =~ m{^\d+$} ) {
204 $html .= qq|$pid exited |
205 } else {
206 $html .= qq|$pid |;
207 }
208 $html .= qq|<a href=/start_stop/$name>restart</a>| if $pid || $name->can('start');
209 if ( $name->can('fork_actions') ) {
210 $html .= qq| <a href=/start_stop/$name/$_>$_</a>| foreach $name->fork_actions;
211 }
212 }
213
214 die "no html generated" unless $html;
215
216 push @rows, ( $name => $html );
217 }
218
219 my $below_table = '';
220
221 warn 'static_pids: ', dump( $static_pids ) if $debug;
222 foreach my $pid ( keys %$static_pids ) {
223 my $path = $static_pids->{$pid};
224 if ( -d "/proc/$pid" ) {
225 push @rows, ( $path => qq|<a href=/kill/static/$pid>$pid</a>| );
226 } elsif ( $param->{clean_completed_downloads} ) {
227 delete $static_pids->{$pid}
228 } else {
229 push @rows, ( $path => "$pid competed" );
230 $below_table = qq|<a href="/?clean_completed_downloads=1">clean completed downloads</a>|;
231 }
232 }
233
234 my $kvm = kvm::next_nr;
235 $kvm = qq|<div><a href=/start_stop/kvm?nr=$kvm>create new kvm $kvm</a></div>|;
236
237 print $client ok
238 , html::table( 2, @rows )
239 , $below_table
240 , $kvm
241 , html::tabs( log::mac_changes )
242 , $debug_proc
243 ;
244
245 } elsif ( $path =~ m{^/server} ) {
246 foreach my $name ( keys %$param ) {
247 eval '$server::' . $name . '= $param->{$name}';
248 }
249 my @table = (
250 'debug' => qq|<a href=/our/debug/| . toggle($debug) . qq|>$debug</a>|,
251 , 'new_clients' => qq|<input type=text name=new_clients size=3 value="$server::new_clients">|
252 );
253
254 foreach my $editable ( 'ip', 'bcast', 'netmask', 'ip_from', 'ip_to', 'domain' ) {
255 my $v = eval '$server::' . $editable;
256 push @table, ( $editable, qq|<input type=text name=$editable value="$v">| );
257 }
258
259 foreach my $readonly ( 'base_dir', 'conf' ) {
260 my $v = eval '$server::' . $readonly;
261 push @table, ( $readonly, html::tt $v );
262 }
263
264 print $client ok
265 , qq|<form method=get>|
266 , html::table( 2, @table )
267 , qq|
268 <input type=submit name=action value=change>
269 </form>
270 |
271 ;
272
273 } elsif ( $path =~ m{^/store/latest} ) {
274 print $client ok
275 , qq|
276 <style type=text/css>
277 .z {
278 background: #eee;
279 }
280 td > pre {
281 margin: 0;
282 max-height: 3em;
283 overflow: hidden;
284 }
285 td:hover > pre {
286 max-height: 100%;
287 overflow: show;
288 }
289 </style>
290 |
291 , qq|<table>|
292 ;
293 my ( $s1,$s2 ) = ( ' class=z', '' );
294 my @cols;
295
296 my $from_t = $param->{from_t};
297
298 my $q;
299 $q->{'package.time'} = { '$lt' => $from_t * 1 } if $from_t;
300 # $q->{'package.name'} = { '$ne' => 'syslogd' };
301 $q->{'package.name'} = { '$ne' => 'dhcpd' };
302 # $q->{'package.name'} = { '$ne' => [ 'dhcpd', 'dnsd' ] };
303 $q->{'tag'} = { '$ne' => 'CRON' };
304 store::query( $q, sub {
305 my $o = shift;
306 my $p = delete( $o->{package} );
307 delete( $o->{_id} );
308
309 if ( ! @cols ) {
310 #@cols = keys %$p;
311 @cols = qw( time name );
312 print $client qq|<tr><th>|
313 , join(qq|</th><th>|, @cols)
314 , qq|</th><th></th></tr>|
315 ;
316 }
317
318 # XXX sigh, dump dies if we don't do this
319 # delete $o->{$_} foreach ( grep { ! defined $o->{$_} } keys %$o );
320
321 print $client qq|<tr$s1>|
322 , strftime( qq|<td title="%Y-%m-%d">%H:%M:%S</td>|, localtime($p->{time}) )
323 , map { qq|<td>$_<td>| } ( $p->{name} , html::pre_dump($o) )
324 , qq|</tr>\n|
325 ;
326 ( $s1, $s2 ) = ( $s2, $s1 );
327 $from_t = $p->{time};
328 });
329 print $client qq|</table>|,
330 qq|<a href="/store/latest?from_t=$from_t">more</a>|
331 ;
332
333 } elsif ( $path =~ m!^/client(?:/$RE{net}{IPv4}{-keep})?! ) {
334 my $ip = $1;
335 $title = $ip if $ip;
336
337 if ( $param->{action} eq 'remove' ) {
338 client::remove( $param->{change_ip} );
339 print $client redirect("$url/client");
340 return;
341 } elsif ( $param->{action} eq 'change' ) {
342 if ( my $new_ip = client::change_ip( $ip, $param->{change_ip} ) ) {
343 print $client redirect("$url/client#$new_ip");
344 return;
345 }
346 }
347
348 if ( ! $ip ) {
349 my $peer_ip = $client->peerhost;
350
351 my $netmask = ip::to_int $server::netmask;
352 my $network = ip::to_int($server::ip) & $netmask;
353 my $from_int = $network | $server::ip_from;
354 my $to_int = $network | $server::ip_to;
355 my $ip_int = ip::to_int $peer_ip;
356
357 # show edit for clients in our dhcp range
358 if ( $ip_int >= $from_int && $ip_int <= $to_int ) {
359 $ip = $peer_ip;
360 }
361 }
362
363 if ( $ip && $ip ne $server::ip ) {
364
365 my $conf = client::all_conf( $ip );
366 my $config = delete $conf->{config};
367
368 my @editable = ( qw/hostname config homepage/ );
369 # add params with config prefix if config exists
370 push @editable, grep { m{^\Q$config\E} } keys %$conf if $config;
371 my @update = grep { defined $param->{$_} } @editable;
372 if ( @update ) {
373 client::conf( $ip, $_ => $param->{$_} ) foreach @update;
374 print $client redirect("$url/client/$ip");
375 return;
376 }
377
378 my $nmap = qq|<a href=/nmap?scan=$ip>nmap</a>|;
379 my @table = (
380 'ping' => ping::host($ip)
381 ? qq|<span style="color:green">up</span> $nmap|
382 : qq|<span style="color: red">down</span> <a href=/wol/$ip>wol</a> $nmap|
383 ,
384 'ip' => qq|<input type=text name=change_ip value="$ip" onChange="document.getElementById('old_ip').style.display = '';"><span id=old_ip style="display: none; color: #888;">old: $ip<span>|,
385 'mac' => format::mac( delete $conf->{mac}, 'html' ),
386 'hostname' => qq|<input type=text name=hostname value="| . delete($conf->{hostname}) . qq|">|,
387 'config' => html::select( 'config', $config, config::available ),
388 html::conf( $ip, $conf, 'edit', @editable )
389 );
390
391 print $client ok
392 , qq|<form method=get>|
393 , html::table( 2, @table ),
394 , qq|
395 <input type=submit name=action value=change>
396 <input type=submit name=action value=remove style="color: red">
397 </form>|
398 ;
399
400 if ( $config ) {
401 if ( my $for_ip = config::for_ip( $ip ) ) {
402 print $client qq|<h2>config::for_ip</h2>| . html::pre( $for_ip );
403 }
404 }
405
406 if ( $conf->{amt} ) {
407 print $client qq|<h2>amt network</h2>|, html::pre_dump( amt::network( $ip ) );
408 print $client qq|<h2>amt log</h2>|, html::pre_dump( amt::log( $ip ) );
409 }
410
411 } else {
412
413 print $client ok qq|<h2>Clients on $server::ip</h2>|;
414
415 my @ping;
416 if ( my $host = $param->{ping_target} ) {
417 @ping = ( $host );
418 } elsif ( $param->{ping} ) {
419 @ping = client::all_ips;
420 }
421
422 my $ping = ping::fping( @ping ) if @ping;
423 my $arp = client::arp_mac_dev;
424
425 my @clients;
426
427 foreach my $ip ( client::all_ips ) {
428
429 my $conf = client::all_conf( $ip );
430 my $mac = delete $conf->{mac} || '';
431 my $dev = $arp->{$mac};
432
433 my $in_dhcp_range = ip::in_dhcp_range($ip);
434
435 next unless $dev || $param->{all} || $in_dhcp_range;
436
437 my $style
438 = 'style="color:'
439 . ( $ping->{$ip} ? 'green' : 'red' )
440 . '"'
441 if $ping;
442
443 $style ||= '';
444 my $ip_text = qq|<tt>$ip</tt>|;
445 $ip_text = qq|<tt><b>$ip</b></tt>| if $in_dhcp_range;
446
447 $dev = qq|<tt>$dev</tt>| if $dev;
448
449 push @clients
450 , qq|<a $style name=$ip target=client href=/client/$ip>$ip_text</a>|
451 , format::mac( $mac => 'html' )
452 , $dev
453 , delete $conf->{hostname}
454 , html::conf( $ip, $conf, 'inline' )
455 ;
456 }
457
458 my $all = $param->{all} ? 0 : 1;
459
460 print $client html::table( -5, 'ip', 'mac', qq|<a href="?all=$all">dev</a>|, 'hostname', 'conf', @clients );
461 print $client qq|
462 <form method=get>
463 <input type=text name=ping_target size=15>
464 <input type=submit name=ping value=ping>
465 </form>
466 |;
467 }
468
469
470 } elsif ( $path =~ m{^/brctl} ) {
471
472 system 'brctl addif virtual ' . $param->{addif} if $param->{addif};
473 system 'brctl delif virtual ' . $param->{delif} if $param->{delif};
474
475 my $in_virtual;
476
477 my @table =
478 map {
479 my @c = split(/\t+/,$_,4);
480 if ( $#c == 1 ) {
481 $in_virtual->{ $c[1] }++;
482 @c = ( '', '', '', $c[1] );
483 } else {
484 $in_virtual->{ $c[3] }++;
485 }
486 if ( $c[3] =~ m{\d$} ) {
487 $c[3] = qq|<input type=submit name=delif value=$c[3] style="color:red" title="remove $c[3] from bridge">|;
488 }
489 @c
490 } split(/\n/, `brctl show`)
491 ;
492
493 my @add_ifs = grep { ! $in_virtual->{$_} && $_ ne 'virtual' } ip::devices_up;
494
495 push @table, ( '', '', '', html::select( 'addif', @add_ifs ) . qq|<input type=submit value=add></form>| );
496
497 print $client ok
498 , qq|<form>|
499 , html::table( -4, @table )
500 , qq|</form>|
501 ;
502
503
504 } elsif ( $path =~ m{^/ip/?(\w+)?} ) {
505 print $client ok
506 , join("\n", map { qq|<a href=/ip/$_>$_</a>| } ( qw/link addr route neigh ntable tunnel maddr mroute xfrm/ ))
507 , ip::html( $1 )
508 ;
509 } elsif ( $path =~ m{^/nmap} ) {
510 if ( my $scan = $param->{scan} ) {
511 nmap::scan( $scan );
512 print $client redirect("$url/client#$scan");
513 } else {
514 print $client ok, qq|
515 <form method=get>
516 <input type=text name=scan>
517 <input type=submit value=scan>
518 </form>
519 |;
520 }
521 } elsif ( $path =~ m{^/wol/(\S+)} ) {
522 print $client redirect( "$url/client/$1" ), wol::power_on($1);
523 } elsif ( $path =~ m!^/amt/(\w+)/$RE{net}{IPv4}{-keep}! ) {
524 my ( $run, $ip ) = ( $1, $2 );
525 print $client redirect( "$url/client/$ip" ), amt::RemoteControl( $ip, $run );
526 } elsif ( $path =~ m{^/our/(\w+)/(\S+)} ) {
527 eval 'our $' . $1 . ' = ' . $2;
528 warn $@ if $@;
529 print $client redirect($url), qq|<big>$1 = $2</big><br>Location: <a href="$url">$url</a>|;
530 server::debug( $debug ) if $1 eq 'debug';
531 } elsif ( $path =~ m{^/start_stop/(\S+)} ) {
532 print $client redirect, daemons::start_stop($1,$param);
533 } elsif ( $path =~ m{^/action/([^/]+)/(.+)} ) {
534 my ( $package, $method ) = ( $1, $2 );
535 $ENV{nr} = $1 if $package =~ s{\.(\d+)$}{};
536 $package->$method();
537 print $client redirect;
538 } elsif ( $path =~ m{^/kill/static/(\d+)} ) {
539 print $client redirect;
540 kill 1, $1 || kill 9, $2 && warn "killed $1";
541 } else {
542 print $client "HTTP/1.0 404 $path\r\nConnection: close\r\nContent-type: text/html\r\n\r\n<big>404 $path</big>";
543 warn "404 $path";
544 }
545
546 }
547
548 sub start {
549
550 warn 'network ', network::setup();
551
552 daemons::start_stop 'browser', { url => $url };
553 daemons::start_stop $_ foreach ( qw/dhcpd tftpd dnsd syslogd/ );
554 # daemons::start_stop 'kvm' unless $ENV{DEV}; # skip kvm statup when running on real device
555
556 my $server = IO::Socket::INET->new(
557 Proto => 'tcp',
558 # LocalAddr => $server::ip,
559 LocalPort => $httpd::port,
560 Listen => SOMAXCONN,
561 Reuse => 1
562 ) || die "can't start server on $url: $!";
563
564 print "url $url\n";
565
566 syslogd::install_local;
567 client::rebuild_mac_links;
568
569 while (1) {
570 my $client = $server->accept() || next; # ALARM trickle us
571 my $request = <$client>;
572
573 my $headers;
574
575 while ( my $header = <$client> ) {
576 chomp $header;
577 last if $header =~ m{^\s*$};
578 my ( $n, $v ) = split(/:\s*/, $header);
579 $headers->{ lc $n } = $v;
580 }
581
582 if ( my $host = $headers->{host} ) {
583 $url = 'http://' . $host;
584 $url .= ":$port" unless $url =~ m{:\d+$};
585 }
586
587 warn "## $url ## $request", dump( $headers ) if $debug;
588
589 if ($request =~ m{^GET (/.*) HTTP/1.[01]}) {
590 my $path = $1;
591 $path =~ s/%([0-9A-Fa-f]{2})/chr(hex($1))/ge;
592 my $param;
593 if ( $path =~ s{\?(.+)}{} ) {
594 foreach my $p ( split(/[&;]/, $1) ) {
595 my ($n,$v) = split(/=/, $p, 2);
596 $param->{$n} = $v;
597 }
598 warn "param: ",dump( $param ) if $debug;
599 }
600 get_request $client, $path, $param;
601 } else {
602 print $client "HTTP/1.0 500 No method\r\nConnection: close\r\nContent-type: text/plain\r\n\r\n500 $request";
603 warn "500 $request";
604 }
605
606 print $client menu() . html_end() if $client->connected;
607
608 }
609
610 die "server died";
611 }
612
613 warn "loaded";
614
615 1;

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