/[pxelator]/lib/PXElator/httpd.pm
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Revision 400 - (hide annotations)
Tue Sep 8 18:28:15 2009 UTC (14 years, 8 months ago) by dpavlin
File size: 11746 byte(s)
make server configuration editable using tied variables

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

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