/[pxelator]/lib/PXElator/httpd.pm
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Revision 431 - (hide annotations)
Mon Sep 14 13:44:42 2009 UTC (14 years, 7 months ago) by dpavlin
File size: 13188 byte(s)
create CouchDB URL from our own so we respect Host: header

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

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