/[pxelator]/lib/PXElator/httpd.pm
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Contents of /lib/PXElator/httpd.pm

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Revision 376 - (show annotations)
Sun Aug 30 15:22:41 2009 UTC (10 years, 11 months ago) by dpavlin
File size: 10716 byte(s)
toggle power state using amt
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 sub menu {qq{
23
24 <div style="font-size: 80%; color: #888">
25 <a href=/>home</a>
26 <a href=/server>server</a>
27 <a href=/brctl>brctl</a>
28 <a href=/ip>ip</a>
29 <a href=/nmap>nmap</a>
30 <a href=/client>client</a>
31 </div>
32
33 }}
34
35 our $port = 7777;
36
37 use server;
38 our $debug = server::debug;
39 our $url = "http://$server::ip:$port";
40
41 use html;
42 our $static_pids;
43 use progress_bar;
44 use config;
45 use client;
46 use log;
47 use x11;
48 use amt;
49 use boolean;
50 use daemons;
51
52 use kvm;
53 use browser;
54 use network;
55 use ip;
56 use wireshark;
57 use syslogd;
58 use nmap;
59 use ping;
60 use wol;
61
62 use CouchDB;
63
64 sub static {
65 my ($client,$path) = @_;
66
67 my $full = "$server::base_dir/tftp/$path";
68
69 return if ! -f $full;
70
71 if ( my $pid = fork ) {
72 # parent
73 close($client);
74 $static_pids->{$pid} = $path;
75 return 1;
76 }
77
78 my $type = 'application/octet-stream';
79 $type = 'text/html' if $path =~ m{\.htm};
80 $type = 'application/javascript' if $path =~ m{\.js};
81 $type = 'text/plain' if $path =~ m{\.txt};
82
83 my $size = -s $full || return;
84
85 print $client "HTTP/1.0 200 OK\r\nContent-Type: $type\r\nContent-Length: $size\r\nConnection: close\r\n\r\n";
86
87 open(my $fh, $full);
88
89 my $block = 1400; # try not to fragment packages (pxelinux seems to have problems with it)
90 my $buff;
91 my $pos = 0;
92
93 CouchDB::audit( 'static', { pid => $$, path => $path, type => $type, size => $size, block => $block, peerhost => $client->peerhost });
94
95 progress_bar::start;
96
97 while( my $len = read $fh, $buff, $block ) {
98 print $client $buff;
99 $client->flush;
100 $pos += $len;
101 progress_bar::tick( $path, $pos, $size );
102 }
103 close($fh);
104 close($client);
105
106 print STDERR "\n";
107
108 exit(0);
109 }
110
111 sub ok {
112 qq|HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n| . menu()
113 }
114
115 sub redirect {
116 my $to = shift;
117 $to ||= $url;
118 qq|HTTP/1.1 302 Found\r\nContent-type: text/html\r\nLocation: $to\r\n\r\n|
119 }
120
121 sub get_request {
122 my ( $client, $path, $param ) = @_;
123
124 server->refresh;
125
126 CouchDB::audit( 'request', { path => $path, param => $param, peerhost => $client->peerhost } );
127
128 if ( my $found = static( $client,$path ) ) {
129 warn "static $found" if $debug;
130 } elsif ( $path eq '/' ) {
131
132 my @rows;
133
134 my $debug_proc = '';
135
136 warn "XXX pids = ", dump( $daemons::pids );
137
138 foreach my $name ( sort keys %$daemons::pids ) {
139 my $pid = $daemons::pids->{$name}; # || next;
140
141 my $html;
142
143 my $proc = "/proc/$pid/status";
144
145 if ( -e $proc ) {
146 $html .= qq|<a href=/start_stop/$name>$pid</a>|;
147 if ( $debug ) {
148 $html .= qq| <a name=$pid href=#proc-$pid>?</a>| if $name->can('start');
149
150 $debug_proc
151 .= qq|<a name=proc-$pid href=#$pid>$proc</a><pre style="font-size: 10%">|
152 . read_file($proc)
153 . qq|</pre>|
154 ;
155 }
156
157 if ( $name->can('fork_if_active') ) {
158 $html .= qq| <a href=/start_stop/$name/$_>$_</a>| foreach $name->fork_if_active;
159 }
160
161 if ( $name->can('actions') ) {
162 $html .= qq| <a href=/action/$name/$_>$_</a>| foreach $name->actions;
163 }
164 } else {
165 if ( $pid =~ m{^\d+$} ) {
166 $html .= qq|$pid exited |
167 } else {
168 $html .= qq|$pid |;
169 }
170 $html .= qq|<a href=/start_stop/$name>restart</a>| if $pid || $name->can('start');
171 if ( $name->can('fork_actions') ) {
172 $html .= qq| <a href=/start_stop/$name/$_>$_</a>| foreach $name->fork_actions;
173 }
174 }
175
176 die "no html generated" unless $html;
177
178 push @rows, ( $name => $html );
179 }
180
181 my $below_table = '';
182
183 warn 'static_pids: ', dump( $static_pids ) if $debug;
184 foreach my $pid ( keys %$static_pids ) {
185 my $path = $static_pids->{$pid};
186 if ( -d "/proc/$pid" ) {
187 push @rows, ( $path => qq|<a href=/kill/static/$pid>$pid</a>| );
188 } elsif ( $param->{clean_completed_downloads} ) {
189 delete $static_pids->{$pid}
190 } else {
191 push @rows, ( $path => "$pid competed" );
192 $below_table = qq|<a href="/?clean_completed_downloads=1">clean completed downloads</a>|;
193 }
194 }
195
196 print $client ok
197 , html::table( 2, @rows )
198 , $below_table
199 , html::tabs( log::mac_changes )
200 , $debug_proc
201 ;
202
203 } elsif ( $path =~ m{^/server} ) {
204 print $client ok
205 , html::table( 2,
206 'debug' => qq|<a href=/our/debug/| . boolean::toggle($debug) . qq|>$debug</a>|,
207 map {
208 ( $_, html::tt eval '$server::'.$_ )
209 } ( 'ip', 'netmask', 'ip_from', 'ip_to', 'domain_name', 'base_dir', 'conf' )
210 )
211 ;
212 } elsif ( $path =~ m!^/client(?:/$RE{net}{IPv4}{-keep})?! ) {
213 my $ip = $1;
214
215 if ( $param->{action} eq 'remove' ) {
216 client::remove( $param->{change_ip} );
217 print $client redirect("$url/client");
218 return;
219 } elsif ( $param->{action} eq 'change' ) {
220 if ( my $new_ip = client::change_ip( $ip, $param->{change_ip} ) ) {
221 print $client redirect("$url/client#$new_ip");
222 return;
223 }
224 }
225
226 if ( ! $ip ) {
227 my $peer_ip = $client->peerhost;
228
229 my $netmask = ip::to_int $server::netmask;
230 my $network = ip::to_int($server::ip) & $netmask;
231 my $from_int = $network | $server::ip_from;
232 my $to_int = $network | $server::ip_to;
233 my $ip_int = ip::to_int $peer_ip;
234
235 # show edit for clients in our dhcp range
236 if ( $ip_int >= $from_int && $ip_int <= $to_int ) {
237 $ip = $peer_ip;
238 }
239 }
240
241 if ( $ip && $ip ne $server::ip ) {
242
243 my @editable = ( qw/hostname config homepage/ );
244
245 client::conf( $ip, $_ => $param->{$_} ) foreach @editable;
246
247 my $conf = client::all_conf( $ip );
248 my $config = delete $conf->{config};
249
250 my $nmap = qq|<a href=/nmap?scan=$ip>nmap</a>|;
251 my @table = (
252 'ping' => ping::host($ip)
253 ? qq|<span style="color:green">up</span> $nmap|
254 : qq|<span style="color: red">down</span> <a href=/wol/$ip>wol</a> $nmap|
255 ,
256 'ip' => qq|<input type=text name=change_ip value="$ip" onChange="document.getElementById('old_ip').style.display = '';"><span id=old_ip style="display: none; color: #888;">old: $ip<span>|,
257 'mac' => format::mac( delete $conf->{mac}, 'html' ),
258 'hostname' => qq|<input type=text name=hostname value="| . delete($conf->{hostname}) . qq|">|,
259 'config' => html::select( 'config', $config, config::available ),
260 html::conf( $ip, $conf, 'edit', @editable )
261 );
262
263 print $client ok
264 , qq|<form method=get>|
265 , html::table( 2, @table ),
266 , qq|
267 <input type=submit name=action value=change>
268 <input type=submit name=action value=remove style="color: red">
269 </form>|
270 ;
271
272 if ( $config ) {
273 if ( my $for_ip = config::for_ip( $ip ) ) {
274 print $client qq|<h2>config::for_ip</h2>| . html::pre( $for_ip );
275 }
276 }
277
278 print $client qq|<h2>amt info</h2>|, amt::info( $ip );
279
280 } else {
281
282 my @ping;
283 if ( my $host = $param->{ping_target} ) {
284 @ping = ( $host );
285 } elsif ( $param->{ping} ) {
286 @ping = client::all_ips;
287 }
288
289 my $ping = ping::fping( @ping ) if @ping;
290 my $arp = client::arp_mac_dev;
291
292 print $client ok
293 , qq|<h2>Clients on $server::ip</h2>|
294 , html::table( -5,
295 'ip', 'mac', 'dev', 'hostname', 'conf',
296 map {
297 my $ip = $_;
298 my $conf = client::all_conf( $ip );
299 my $mac = delete $conf->{mac} || '';
300 my $style;
301 $style
302 = 'style="color:'
303 . ( $ping->{$ip} ? 'green' : 'red' )
304 . '"'
305 if $ping;
306 $style ||= '';
307 (
308 qq|<a $style name=$ip href=/client/$ip>$ip</a>|
309 , format::mac( $mac => 'html' )
310 , $arp->{$mac}
311 , delete $conf->{hostname}
312 , html::conf( $ip, $conf, 'inline' )
313 )
314 } client::all_ips
315 )
316 ;
317 print $client qq|
318 <form method=get>
319 <input type=text name=ping_target size=15>
320 <input type=submit name=ping value=ping>
321 </form>
322 |;
323 }
324 } elsif ( $path =~ m{^/brctl} ) {
325 print $client ok, html::table( -4,
326 map {
327 my @c = split(/\t+/,$_,4);
328 if ( $#c == 1 ) {
329 ( '', '', '', $c[1] )
330 } else {
331 @c
332 }
333 } split(/\n/, `brctl show`)
334 );
335 } elsif ( $path =~ m{^/ip/?(\w+)?} ) {
336 print $client ok
337 , join("\n", map { qq|<a href=/ip/$_>$_</a>| } ( qw/link addr route neigh ntable tunnel maddr mroute xfrm/ ))
338 , ip::html( $1 )
339 ;
340 } elsif ( $path =~ m{^/nmap} ) {
341 if ( my $scan = $param->{scan} ) {
342 nmap::scan( $scan );
343 print $client redirect("$url/client#$scan");
344 } else {
345 print $client ok, qq|
346 <form method=get>
347 <input type=text name=scan>
348 <input type=submit value=scan>
349 </form>
350 |;
351 }
352 } elsif ( $path =~ m{^/wol/(\S+)} ) {
353 print $client redirect( "$url/client/$1" ), wol::power_on($1);
354 } elsif ( $path =~ m!^/amt/(\w+)/$RE{net}{IPv4}{-keep}! ) {
355 my ( $run, $ip ) = ( $1, $2 );
356 print $client redirect( "$url/client/$ip" ), amt::RemoteControl( $ip, $run );
357 } elsif ( $path =~ m{^/our/(\w+)/(\S+)} ) {
358 eval 'our $' . $1 . ' = ' . $2;
359 warn $@ if $@;
360 print $client redirect($url), qq|<big>$1 = $2</big><br>Location: <a href="$url">$url</a>|;
361 server::debug( $debug ) if $1 eq 'debug';
362 } elsif ( $path =~ m{^/start_stop/(\S+)} ) {
363 print $client redirect, daemons::start_stop($1);
364 } elsif ( $path =~ m{^/action/([^/]+)/(.+)} ) {
365 $1->$2();
366 print $client redirect;
367 } elsif ( $path =~ m{^/kill/static/(\d+)} ) {
368 print $client redirect;
369 kill 1, $1 || kill 9, $2 && warn "killed $1";
370 } else {
371 print $client "HTTP/1.0 404 $path\r\nConnection: close\r\nContent-type: text/html\r\n\r\n<big>404 $path</big>";
372 warn "404 $path";
373 }
374
375 }
376
377 sub start {
378
379 warn 'network ', network::setup();
380
381 daemons::start_stop 'browser', $url;
382 daemons::start_stop $_ foreach ( qw/dhcpd tftpd dnsd syslogd/ );
383 daemons::start_stop 'kvm' unless $ENV{DEV}; # skip kvm statup when running on real device
384
385 my $server = IO::Socket::INET->new(
386 Proto => 'tcp',
387 LocalAddr => $server::ip,
388 LocalPort => $httpd::port,
389 Listen => SOMAXCONN,
390 Reuse => 1
391 ) || die "can't start server on $url: $!";
392
393 print "url $url\n";
394
395 syslogd::install_local;
396
397 while (1) {
398 my $client = $server->accept() || next; # ALARM trickle us
399 my $request = <$client>;
400
401 warn "request $request\n" if $debug;
402
403 if ($request =~ m{^GET (/.*) HTTP/1.[01]}) {
404 my $path = $1;
405 $path =~ s/%([0-9A-Fa-f]{2})/chr(hex($1))/ge;
406 my $param;
407 if ( $path =~ s{\?(.+)}{} ) {
408 foreach my $p ( split(/[&;]/, $1) ) {
409 my ($n,$v) = split(/=/, $p, 2);
410 $param->{$n} = $v;
411 }
412 warn "param: ",dump( $param ) if $debug;
413 }
414 get_request $client, $path, $param;
415 } else {
416 print $client "HTTP/1.0 500 No method\r\nConnection: close\r\nContent-type: text/plain\r\n\r\n500 $request";
417 warn "500 $request";
418 }
419
420 print $client menu() if $client->connected;
421
422 }
423
424 die "server died";
425 }
426
427 warn "loaded";
428
429 1;

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