/[pxelator]/lib/PXElator/httpd.pm
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Revision 433 - (hide annotations)
Mon Sep 14 21:11:23 2009 UTC (14 years, 8 months ago) by dpavlin
File size: 13212 byte(s)
use just four targets: pids, server, couch and client
which allows us to nicely separate menu into partsi
which open in new tabs (just 4 of them)

1 dpavlin 42 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 dpavlin 162 use Regexp::Common qw/net/;
21 dpavlin 42
22 dpavlin 379 our $title;
23 dpavlin 149
24 dpavlin 379 sub html_start {
25     qq{
26     <html>
27     <head>
28     <title>$title</title>
29     </head>
30     <body>
31     }}
32    
33     sub html_end {
34     qq{
35     </body>
36     </html>
37     }}
38    
39 dpavlin 42 our $port = 7777;
40    
41     use server;
42 dpavlin 67 our $debug = server::debug;
43 dpavlin 64 our $url = "http://$server::ip:$port";
44 dpavlin 42
45 dpavlin 43 use html;
46 dpavlin 70 our $static_pids;
47 dpavlin 115 use progress_bar;
48 dpavlin 153 use config;
49 dpavlin 159 use client;
50     use log;
51 dpavlin 173 use x11;
52 dpavlin 181 use amt;
53 dpavlin 185 use boolean;
54     use daemons;
55 dpavlin 43
56 dpavlin 185 use kvm;
57     use browser;
58     use network;
59 dpavlin 224 use ip;
60 dpavlin 225 use wireshark;
61 dpavlin 231 use syslogd;
62 dpavlin 311 use nmap;
63 dpavlin 335 use ping;
64     use wol;
65 dpavlin 185
66 dpavlin 207 use CouchDB;
67 dpavlin 185
68 dpavlin 431
69     sub menu {
70     my $couch_url = $url;
71     $couch_url =~ s{:\d+.+}{:5984/_utils/};
72     qq{
73     <div style="font-size: 80%; color: #888">
74 dpavlin 433 <a target=pids href=/ >home</a>
75     |
76     <a target=server href=/server >server</a>
77     <a target=server href=/brctl >brctl</a>
78     <a target=server href=/ip >ip</a>
79     |
80     <a target=couch href=$couch_url >couchdb</a>
81     |
82     <a target=client href=/nmap >nmap</a>
83     <a target=client href=/client >client</a>
84 dpavlin 431 </div>
85    
86     }}
87    
88    
89 dpavlin 42 sub static {
90     my ($client,$path) = @_;
91    
92 dpavlin 65 my $full = "$server::base_dir/tftp/$path";
93 dpavlin 42
94 dpavlin 65 return if ! -f $full;
95 dpavlin 42
96 dpavlin 402 return if $full =~ m{\.ico$};
97    
98 dpavlin 70 if ( my $pid = fork ) {
99     # parent
100     close($client);
101     $static_pids->{$pid} = $path;
102     return 1;
103     }
104    
105 dpavlin 65 my $type = 'application/octet-stream';
106 dpavlin 42 $type = 'text/html' if $path =~ m{\.htm};
107     $type = 'application/javascript' if $path =~ m{\.js};
108 dpavlin 65 $type = 'text/plain' if $path =~ m{\.txt};
109 dpavlin 42
110 dpavlin 65 my $size = -s $full || return;
111    
112     print $client "HTTP/1.0 200 OK\r\nContent-Type: $type\r\nContent-Length: $size\r\nConnection: close\r\n\r\n";
113    
114     open(my $fh, $full);
115    
116 dpavlin 96 my $block = 1400; # try not to fragment packages (pxelinux seems to have problems with it)
117 dpavlin 65 my $buff;
118     my $pos = 0;
119    
120 dpavlin 208 CouchDB::audit( 'static', { pid => $$, path => $path, type => $type, size => $size, block => $block, peerhost => $client->peerhost });
121 dpavlin 96
122 dpavlin 115 progress_bar::start;
123 dpavlin 105
124 dpavlin 65 while( my $len = read $fh, $buff, $block ) {
125 dpavlin 107 print $client $buff;
126 dpavlin 105 $client->flush;
127 dpavlin 65 $pos += $len;
128 dpavlin 115 progress_bar::tick( $path, $pos, $size );
129 dpavlin 42 }
130 dpavlin 65 close($fh);
131     close($client);
132 dpavlin 42
133 dpavlin 105 print STDERR "\n";
134 dpavlin 65
135 dpavlin 107 exit(0);
136 dpavlin 42 }
137    
138 dpavlin 199 sub ok {
139 dpavlin 379 qq|HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n| . html_start() . menu()
140 dpavlin 199 }
141 dpavlin 67
142 dpavlin 199 sub redirect {
143     my $to = shift;
144     $to ||= $url;
145     qq|HTTP/1.1 302 Found\r\nContent-type: text/html\r\nLocation: $to\r\n\r\n|
146     }
147    
148 dpavlin 43 sub get_request {
149     my ( $client, $path, $param ) = @_;
150    
151 dpavlin 128 server->refresh;
152    
153 dpavlin 208 CouchDB::audit( 'request', { path => $path, param => $param, peerhost => $client->peerhost } );
154 dpavlin 43
155 dpavlin 379 $title = $path;
156    
157 dpavlin 43 if ( my $found = static( $client,$path ) ) {
158     warn "static $found" if $debug;
159     } elsif ( $path eq '/' ) {
160 dpavlin 53
161 dpavlin 251 my @rows;
162 dpavlin 70
163 dpavlin 96 my $debug_proc = '';
164 dpavlin 71
165 dpavlin 243 warn "XXX pids = ", dump( $daemons::pids );
166    
167 dpavlin 185 foreach my $name ( sort keys %$daemons::pids ) {
168 dpavlin 243 my $pid = $daemons::pids->{$name}; # || next;
169 dpavlin 43
170 dpavlin 173 my $html;
171 dpavlin 66
172 dpavlin 81 my $proc = "/proc/$pid/status";
173 dpavlin 71
174 dpavlin 81 if ( -e $proc ) {
175 dpavlin 173 $html .= qq|<a href=/start_stop/$name>$pid</a>|;
176 dpavlin 81 if ( $debug ) {
177 dpavlin 225 $html .= qq| <a name=$pid href=#proc-$pid>?</a>| if $name->can('start');
178 dpavlin 81
179     $debug_proc
180     .= qq|<a name=proc-$pid href=#$pid>$proc</a><pre style="font-size: 10%">|
181     . read_file($proc)
182     . qq|</pre>|
183     ;
184     }
185    
186 dpavlin 390 my $class = $name;
187     $class =~ s{\.\d+$}{};
188    
189     if ( $class->can('fork_if_active') ) {
190     $html .= qq| <a href=/start_stop/$name/$_>$_</a>| foreach $class->fork_if_active;
191 dpavlin 81 }
192 dpavlin 88
193 dpavlin 390 if ( $class->can('actions') ) {
194     $html .= qq| <a href=/action/$name/$_>$_</a>| foreach $class->actions;
195 dpavlin 88 }
196 dpavlin 173 } else {
197 dpavlin 243 if ( $pid =~ m{^\d+$} ) {
198     $html .= qq|$pid exited |
199     } else {
200     $html .= qq|$pid |;
201     }
202     $html .= qq|<a href=/start_stop/$name>restart</a>| if $pid || $name->can('start');
203 dpavlin 225 if ( $name->can('fork_actions') ) {
204     $html .= qq| <a href=/start_stop/$name/$_>$_</a>| foreach $name->fork_actions;
205     }
206 dpavlin 71 }
207    
208 dpavlin 243 die "no html generated" unless $html;
209    
210 dpavlin 66 push @rows, ( $name => $html );
211     }
212    
213 dpavlin 91 my $below_table = '';
214    
215 dpavlin 78 warn 'static_pids: ', dump( $static_pids ) if $debug;
216 dpavlin 70 foreach my $pid ( keys %$static_pids ) {
217     my $path = $static_pids->{$pid};
218     if ( -d "/proc/$pid" ) {
219     push @rows, ( $path => qq|<a href=/kill/static/$pid>$pid</a>| );
220 dpavlin 91 } elsif ( $param->{clean_completed_downloads} ) {
221     delete $static_pids->{$pid}
222 dpavlin 70 } else {
223     push @rows, ( $path => "$pid competed" );
224 dpavlin 91 $below_table = qq|<a href="/?clean_completed_downloads=1">clean completed downloads</a>|;
225 dpavlin 70 }
226     }
227    
228 dpavlin 405 my $kvm = kvm::next_nr;
229 dpavlin 407 $kvm = qq|<div><a href=/start_stop/kvm?nr=$kvm>create new kvm $kvm</a></div>|;
230 dpavlin 405
231 dpavlin 199 print $client ok
232 dpavlin 72 , html::table( 2, @rows )
233 dpavlin 407 , $below_table
234 dpavlin 405 , $kvm
235 dpavlin 72 , html::tabs( log::mac_changes )
236     , $debug_proc
237     ;
238 dpavlin 66
239 dpavlin 149 } elsif ( $path =~ m{^/server} ) {
240 dpavlin 400 foreach my $name ( keys %$param ) {
241     eval '$server::' . $name . '= $param->{$name}';
242 dpavlin 391 }
243 dpavlin 400 my @table = (
244     'debug' => qq|<a href=/our/debug/| . boolean::toggle($debug) . qq|>$debug</a>|,
245     , 'new_clients' => qq|<input type=text name=new_clients size=3 value="$server::new_clients">|
246     );
247    
248 dpavlin 427 foreach my $editable ( 'ip', 'bcast', 'netmask', 'ip_from', 'ip_to', 'domain' ) {
249 dpavlin 400 my $v = eval '$server::' . $editable;
250     push @table, ( $editable, qq|<input type=text name=$editable value="$v">| );
251     }
252    
253     foreach my $readonly ( 'base_dir', 'conf' ) {
254     my $v = eval '$server::' . $readonly;
255     push @table, ( $readonly, html::tt $v );
256     }
257    
258 dpavlin 199 print $client ok
259 dpavlin 391 , qq|<form method=get>|
260 dpavlin 400 , html::table( 2, @table )
261     , qq|
262     <input type=submit name=action value=change>
263     </form>
264     |
265 dpavlin 149 ;
266 dpavlin 400
267 dpavlin 162 } elsif ( $path =~ m!^/client(?:/$RE{net}{IPv4}{-keep})?! ) {
268 dpavlin 320 my $ip = $1;
269 dpavlin 419 $title = $ip if $ip;
270 dpavlin 200
271 dpavlin 326 if ( $param->{action} eq 'remove' ) {
272     client::remove( $param->{change_ip} );
273     print $client redirect("$url/client");
274     return;
275     } elsif ( $param->{action} eq 'change' ) {
276     if ( my $new_ip = client::change_ip( $ip, $param->{change_ip} ) ) {
277     print $client redirect("$url/client#$new_ip");
278     return;
279     }
280 dpavlin 200 }
281    
282 dpavlin 320 if ( ! $ip ) {
283     my $peer_ip = $client->peerhost;
284 dpavlin 319
285 dpavlin 334 my $netmask = ip::to_int $server::netmask;
286     my $network = ip::to_int($server::ip) & $netmask;
287     my $from_int = $network | $server::ip_from;
288     my $to_int = $network | $server::ip_to;
289     my $ip_int = ip::to_int $peer_ip;
290 dpavlin 320
291 dpavlin 326 # show edit for clients in our dhcp range
292 dpavlin 334 if ( $ip_int >= $from_int && $ip_int <= $to_int ) {
293 dpavlin 320 $ip = $peer_ip;
294     }
295     }
296    
297     if ( $ip && $ip ne $server::ip ) {
298 dpavlin 188
299 dpavlin 347 my @editable = ( qw/hostname config homepage/ );
300 dpavlin 346
301     client::conf( $ip, $_ => $param->{$_} ) foreach @editable;
302    
303     my $conf = client::all_conf( $ip );
304 dpavlin 347 my $config = delete $conf->{config};
305 dpavlin 346
306 dpavlin 343 my $nmap = qq|<a href=/nmap?scan=$ip>nmap</a>|;
307 dpavlin 188 my @table = (
308 dpavlin 376 'ping' => ping::host($ip)
309     ? qq|<span style="color:green">up</span> $nmap|
310     : qq|<span style="color: red">down</span> <a href=/wol/$ip>wol</a> $nmap|
311     ,
312 dpavlin 199 'ip' => qq|<input type=text name=change_ip value="$ip" onChange="document.getElementById('old_ip').style.display = '';"><span id=old_ip style="display: none; color: #888;">old: $ip<span>|,
313 dpavlin 346 'mac' => format::mac( delete $conf->{mac}, 'html' ),
314     'hostname' => qq|<input type=text name=hostname value="| . delete($conf->{hostname}) . qq|">|,
315 dpavlin 347 'config' => html::select( 'config', $config, config::available ),
316 dpavlin 346 html::conf( $ip, $conf, 'edit', @editable )
317 dpavlin 188 );
318    
319 dpavlin 199 print $client ok
320 dpavlin 162 , qq|<form method=get>|
321 dpavlin 188 , html::table( 2, @table ),
322 dpavlin 326 , qq|
323     <input type=submit name=action value=change>
324     <input type=submit name=action value=remove style="color: red">
325     </form>|
326 dpavlin 162 ;
327 dpavlin 181
328 dpavlin 347 if ( $config ) {
329     if ( my $for_ip = config::for_ip( $ip ) ) {
330     print $client qq|<h2>config::for_ip</h2>| . html::pre( $for_ip );
331     }
332     }
333    
334 dpavlin 385 if ( $conf->{amt} ) {
335     print $client qq|<h2>amt network</h2>|, html::pre_dump( amt::network( $ip ) );
336     print $client qq|<h2>amt log</h2>|, html::pre_dump( amt::log( $ip ) );
337     }
338 dpavlin 329
339 dpavlin 162 } else {
340 dpavlin 190
341 dpavlin 334 my @ping;
342     if ( my $host = $param->{ping_target} ) {
343     @ping = ( $host );
344     } elsif ( $param->{ping} ) {
345     @ping = client::all_ips;
346     }
347    
348     my $ping = ping::fping( @ping ) if @ping;
349 dpavlin 330 my $arp = client::arp_mac_dev;
350 dpavlin 190
351 dpavlin 199 print $client ok
352 dpavlin 162 , qq|<h2>Clients on $server::ip</h2>|
353 dpavlin 343 , html::table( -5,
354     'ip', 'mac', 'dev', 'hostname', 'conf',
355 dpavlin 162 map {
356     my $ip = $_;
357 dpavlin 309 my $conf = client::all_conf( $ip );
358     my $mac = delete $conf->{mac} || '';
359 dpavlin 330 my $style;
360     $style
361     = 'style="color:'
362     . ( $ping->{$ip} ? 'green' : 'red' )
363     . '"'
364     if $ping;
365 dpavlin 334 $style ||= '';
366 dpavlin 413 my $ip_text = qq|<tt>$ip</tt>|;
367     $ip_text = qq|<tt><b>$ip</b></tt>| if ip::in_dhcp_range($ip);
368 dpavlin 190 (
369 dpavlin 433 qq|<a $style name=$ip target=client href=/client/$ip>$ip_text</a>|
370 dpavlin 303 , format::mac( $mac => 'html' )
371 dpavlin 327 , $arp->{$mac}
372 dpavlin 309 , delete $conf->{hostname}
373 dpavlin 346 , html::conf( $ip, $conf, 'inline' )
374     )
375 dpavlin 334 } client::all_ips
376 dpavlin 162 )
377     ;
378 dpavlin 330 print $client qq|
379     <form method=get>
380 dpavlin 334 <input type=text name=ping_target size=15>
381 dpavlin 330 <input type=submit name=ping value=ping>
382     </form>
383     |;
384 dpavlin 162 }
385 dpavlin 401
386    
387 dpavlin 229 } elsif ( $path =~ m{^/brctl} ) {
388 dpavlin 401
389     system 'brctl addif virtual ' . $param->{addif} if $param->{addif};
390     system 'brctl delif virtual ' . $param->{delif} if $param->{delif};
391    
392     my $in_virtual;
393    
394     my @table =
395 dpavlin 333 map {
396     my @c = split(/\t+/,$_,4);
397     if ( $#c == 1 ) {
398 dpavlin 401 $in_virtual->{ $c[1] }++;
399     @c = ( '', '', '', $c[1] );
400 dpavlin 333 } else {
401 dpavlin 401 $in_virtual->{ $c[3] }++;
402 dpavlin 333 }
403 dpavlin 401 if ( $c[3] =~ m{\d$} ) {
404     $c[3] = qq|<input type=submit name=delif value=$c[3] style="color:red" title="remove $c[3] from bridge">|;
405     }
406     @c
407 dpavlin 333 } split(/\n/, `brctl show`)
408 dpavlin 401 ;
409    
410     my @add_ifs = grep { ! $in_virtual->{$_} && $_ ne 'virtual' } ip::devices_up;
411    
412     push @table, ( '', '', '', html::select( 'addif', @add_ifs ) . qq|<input type=submit value=add></form>| );
413    
414     print $client ok
415     , qq|<form>|
416     , html::table( -4, @table )
417     , qq|</form>|
418     ;
419    
420    
421 dpavlin 224 } elsif ( $path =~ m{^/ip/?(\w+)?} ) {
422     print $client ok
423     , join("\n", map { qq|<a href=/ip/$_>$_</a>| } ( qw/link addr route neigh ntable tunnel maddr mroute xfrm/ ))
424     , ip::html( $1 )
425     ;
426 dpavlin 311 } elsif ( $path =~ m{^/nmap} ) {
427     if ( my $scan = $param->{scan} ) {
428     nmap::scan( $scan );
429     print $client redirect("$url/client#$scan");
430     } else {
431     print $client ok, qq|
432     <form method=get>
433     <input type=text name=scan>
434     <input type=submit value=scan>
435     </form>
436     |;
437     }
438 dpavlin 335 } elsif ( $path =~ m{^/wol/(\S+)} ) {
439     print $client redirect( "$url/client/$1" ), wol::power_on($1);
440 dpavlin 376 } elsif ( $path =~ m!^/amt/(\w+)/$RE{net}{IPv4}{-keep}! ) {
441     my ( $run, $ip ) = ( $1, $2 );
442     print $client redirect( "$url/client/$ip" ), amt::RemoteControl( $ip, $run );
443 dpavlin 43 } elsif ( $path =~ m{^/our/(\w+)/(\S+)} ) {
444     eval 'our $' . $1 . ' = ' . $2;
445     warn $@ if $@;
446 dpavlin 199 print $client redirect($url), qq|<big>$1 = $2</big><br>Location: <a href="$url">$url</a>|;
447 dpavlin 67 server::debug( $debug ) if $1 eq 'debug';
448 dpavlin 158 } elsif ( $path =~ m{^/start_stop/(\S+)} ) {
449 dpavlin 390 print $client redirect, daemons::start_stop($1,$param);
450 dpavlin 88 } elsif ( $path =~ m{^/action/([^/]+)/(.+)} ) {
451 dpavlin 392 my ( $package, $method ) = ( $1, $2 );
452     $ENV{nr} = $1 if $package =~ s{\.(\d+)$}{};
453     $package->$method();
454 dpavlin 199 print $client redirect;
455 dpavlin 70 } elsif ( $path =~ m{^/kill/static/(\d+)} ) {
456 dpavlin 199 print $client redirect;
457 dpavlin 86 kill 1, $1 || kill 9, $2 && warn "killed $1";
458 dpavlin 43 } else {
459     print $client "HTTP/1.0 404 $path\r\nConnection: close\r\nContent-type: text/html\r\n\r\n<big>404 $path</big>";
460     warn "404 $path";
461     }
462    
463     }
464 dpavlin 53
465 dpavlin 42 sub start {
466    
467 dpavlin 229 warn 'network ', network::setup();
468 dpavlin 140
469 dpavlin 390 daemons::start_stop 'browser', { url => $url };
470 dpavlin 231 daemons::start_stop $_ foreach ( qw/dhcpd tftpd dnsd syslogd/ );
471 dpavlin 390 # daemons::start_stop 'kvm' unless $ENV{DEV}; # skip kvm statup when running on real device
472 dpavlin 189
473 dpavlin 42 my $server = IO::Socket::INET->new(
474     Proto => 'tcp',
475 dpavlin 418 # LocalAddr => $server::ip,
476 dpavlin 42 LocalPort => $httpd::port,
477     Listen => SOMAXCONN,
478     Reuse => 1
479 dpavlin 43 ) || die "can't start server on $url: $!";
480 dpavlin 42
481     print "url $url\n";
482    
483 dpavlin 363 syslogd::install_local;
484 dpavlin 403 client::rebuild_mac_links;
485 dpavlin 363
486 dpavlin 118 while (1) {
487     my $client = $server->accept() || next; # ALARM trickle us
488 dpavlin 42 my $request = <$client>;
489    
490 dpavlin 421 my $headers;
491 dpavlin 42
492 dpavlin 421 while ( my $header = <$client> ) {
493     chomp $header;
494     last if $header =~ m{^\s*$};
495     my ( $n, $v ) = split(/:\s*/, $header);
496     $headers->{ lc $n } = $v;
497     }
498    
499     if ( my $host = $headers->{host} ) {
500     $url = 'http://' . $host;
501     $url .= ":$port" unless $url =~ m{:\d+$};
502     }
503    
504     warn "## $url ## $request", dump( $headers ) if $debug;
505    
506 dpavlin 42 if ($request =~ m{^GET (/.*) HTTP/1.[01]}) {
507 dpavlin 43 my $path = $1;
508 dpavlin 328 $path =~ s/%([0-9A-Fa-f]{2})/chr(hex($1))/ge;
509 dpavlin 42 my $param;
510 dpavlin 43 if ( $path =~ s{\?(.+)}{} ) {
511 dpavlin 42 foreach my $p ( split(/[&;]/, $1) ) {
512     my ($n,$v) = split(/=/, $p, 2);
513     $param->{$n} = $v;
514     }
515     warn "param: ",dump( $param ) if $debug;
516     }
517 dpavlin 43 get_request $client, $path, $param;
518 dpavlin 42 } else {
519     print $client "HTTP/1.0 500 No method\r\nConnection: close\r\nContent-type: text/plain\r\n\r\n500 $request";
520     warn "500 $request";
521     }
522    
523 dpavlin 379 print $client menu() . html_end() if $client->connected;
524 dpavlin 42
525     }
526    
527     die "server died";
528     }
529    
530 dpavlin 45 warn "loaded";
531    
532 dpavlin 42 1;

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