/[pxelator]/lib/PXElator/httpd.pm
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Revision 413 - (show annotations)
Wed Sep 9 14:27:02 2009 UTC (14 years, 7 months ago) by dpavlin
File size: 12809 byte(s)
added ip::in_dhcp_range and use it

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

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