/[pxelator]/lib/PXElator/httpd.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Annotation of /lib/PXElator/httpd.pm

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Revision 229 - (hide annotations)
Sun Aug 16 21:35:23 2009 UTC (14 years, 7 months ago) by dpavlin
File size: 8613 byte(s)
use kernel bridge (named virtual) instead of vde

it's much faster, and we know all commands to use it :-)

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 149 sub menu {qq{
23    
24     <div style="font-size: 80%; color: #888">
25     <a href=/>home</a>
26     <a href=/server>server</a>
27 dpavlin 229 <a href=/brctl>brctl</a>
28 dpavlin 224 <a href=/ip>ip</a>
29 dpavlin 153 <a href=/client>client</a>
30 dpavlin 149 </div>
31    
32     }}
33    
34 dpavlin 42 our $port = 7777;
35    
36     use server;
37 dpavlin 67 our $debug = server::debug;
38 dpavlin 64 our $url = "http://$server::ip:$port";
39 dpavlin 42
40 dpavlin 43 use html;
41 dpavlin 70 our $static_pids;
42 dpavlin 115 use progress_bar;
43 dpavlin 153 use config;
44 dpavlin 159 use client;
45     use log;
46 dpavlin 173 use x11;
47 dpavlin 181 use amt;
48 dpavlin 185 use boolean;
49     use daemons;
50 dpavlin 43
51 dpavlin 185 use kvm;
52     use browser;
53     use network;
54 dpavlin 224 use ip;
55 dpavlin 225 use wireshark;
56 dpavlin 185
57 dpavlin 207 use CouchDB;
58 dpavlin 185
59 dpavlin 42 sub static {
60     my ($client,$path) = @_;
61    
62 dpavlin 65 my $full = "$server::base_dir/tftp/$path";
63 dpavlin 42
64 dpavlin 65 return if ! -f $full;
65 dpavlin 42
66 dpavlin 70 if ( my $pid = fork ) {
67     # parent
68     close($client);
69     $static_pids->{$pid} = $path;
70     return 1;
71     }
72    
73 dpavlin 65 my $type = 'application/octet-stream';
74 dpavlin 42 $type = 'text/html' if $path =~ m{\.htm};
75     $type = 'application/javascript' if $path =~ m{\.js};
76 dpavlin 65 $type = 'text/plain' if $path =~ m{\.txt};
77 dpavlin 42
78 dpavlin 65 my $size = -s $full || return;
79    
80     print $client "HTTP/1.0 200 OK\r\nContent-Type: $type\r\nContent-Length: $size\r\nConnection: close\r\n\r\n";
81    
82     open(my $fh, $full);
83    
84 dpavlin 96 my $block = 1400; # try not to fragment packages (pxelinux seems to have problems with it)
85 dpavlin 65 my $buff;
86     my $pos = 0;
87    
88 dpavlin 208 CouchDB::audit( 'static', { pid => $$, path => $path, type => $type, size => $size, block => $block, peerhost => $client->peerhost });
89 dpavlin 96
90 dpavlin 115 progress_bar::start;
91 dpavlin 105
92 dpavlin 65 while( my $len = read $fh, $buff, $block ) {
93 dpavlin 107 print $client $buff;
94 dpavlin 105 $client->flush;
95 dpavlin 65 $pos += $len;
96 dpavlin 115 progress_bar::tick( $path, $pos, $size );
97 dpavlin 42 }
98 dpavlin 65 close($fh);
99     close($client);
100 dpavlin 42
101 dpavlin 105 print STDERR "\n";
102 dpavlin 65
103 dpavlin 107 exit(0);
104 dpavlin 42 }
105    
106 dpavlin 199 sub ok {
107     qq|HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n| . menu()
108     }
109 dpavlin 67
110 dpavlin 199 sub redirect {
111     my $to = shift;
112     $to ||= $url;
113     qq|HTTP/1.1 302 Found\r\nContent-type: text/html\r\nLocation: $to\r\n\r\n|
114     }
115    
116 dpavlin 43 sub get_request {
117     my ( $client, $path, $param ) = @_;
118    
119 dpavlin 128 server->refresh;
120    
121 dpavlin 208 CouchDB::audit( 'request', { path => $path, param => $param, peerhost => $client->peerhost } );
122 dpavlin 43
123     if ( my $found = static( $client,$path ) ) {
124     warn "static $found" if $debug;
125     } elsif ( $path eq '/' ) {
126 dpavlin 53
127 dpavlin 66 my @rows = (
128 dpavlin 64 'debug', qq|<a href=/our/debug/| . boolean::toggle($debug) . qq|>$debug</a>|,
129 dpavlin 43 );
130 dpavlin 70
131 dpavlin 96 my $debug_proc = '';
132 dpavlin 71
133 dpavlin 185 foreach my $name ( sort keys %$daemons::pids ) {
134     my $pid = $daemons::pids->{$name} || next;
135 dpavlin 43
136 dpavlin 173 my $html;
137 dpavlin 66
138 dpavlin 81 my $proc = "/proc/$pid/status";
139 dpavlin 71
140 dpavlin 81 if ( -e $proc ) {
141 dpavlin 173 $html .= qq|<a href=/start_stop/$name>$pid</a>|;
142 dpavlin 81 if ( $debug ) {
143 dpavlin 225 $html .= qq| <a name=$pid href=#proc-$pid>?</a>| if $name->can('start');
144 dpavlin 81
145     $debug_proc
146     .= qq|<a name=proc-$pid href=#$pid>$proc</a><pre style="font-size: 10%">|
147     . read_file($proc)
148     . qq|</pre>|
149     ;
150     }
151    
152 dpavlin 225 if ( $name->can('fork_if_active') ) {
153     $html .= qq| <a href=/start_stop/$name/$_>$_</a>| foreach $name->fork_if_active;
154 dpavlin 81 }
155 dpavlin 88
156     if ( $name->can('actions') ) {
157 dpavlin 225 $html .= qq| <a href=/action/$name/$_>$_</a>| foreach $name->actions;
158 dpavlin 88 }
159 dpavlin 173 } else {
160 dpavlin 225 $html .= qq|<a href=/start_stop/$name>restart</a> $pid exited| if $name->can('start');
161     if ( $name->can('fork_actions') ) {
162     $html .= qq| <a href=/start_stop/$name/$_>$_</a>| foreach $name->fork_actions;
163     }
164 dpavlin 71 }
165    
166 dpavlin 66 push @rows, ( $name => $html );
167     }
168    
169 dpavlin 91 my $below_table = '';
170    
171 dpavlin 78 warn 'static_pids: ', dump( $static_pids ) if $debug;
172 dpavlin 70 foreach my $pid ( keys %$static_pids ) {
173     my $path = $static_pids->{$pid};
174     if ( -d "/proc/$pid" ) {
175     push @rows, ( $path => qq|<a href=/kill/static/$pid>$pid</a>| );
176 dpavlin 91 } elsif ( $param->{clean_completed_downloads} ) {
177     delete $static_pids->{$pid}
178 dpavlin 70 } else {
179     push @rows, ( $path => "$pid competed" );
180 dpavlin 91 $below_table = qq|<a href="/?clean_completed_downloads=1">clean completed downloads</a>|;
181 dpavlin 70 }
182     }
183    
184 dpavlin 199 print $client ok
185 dpavlin 72 , html::table( 2, @rows )
186 dpavlin 91 , $below_table
187 dpavlin 72 , html::tabs( log::mac_changes )
188     , $debug_proc
189     ;
190 dpavlin 66
191 dpavlin 149 } elsif ( $path =~ m{^/server} ) {
192 dpavlin 199 print $client ok
193 dpavlin 185 , html::table( 2, map { ( $_, html::tt eval '$server::'.$_ ) } ( 'ip', 'netmask', 'ip_from', 'ip_to', 'domain_name', 'base_dir', 'conf' ) )
194 dpavlin 149 ;
195 dpavlin 162 } elsif ( $path =~ m!^/client(?:/$RE{net}{IPv4}{-keep})?! ) {
196     my $ip = $1 || $client->peerhost;
197 dpavlin 200
198     if ( my $new_ip = $param->{change_ip} ) {
199     client::change_ip( $ip, $new_ip );
200     $ip = $new_ip;
201     }
202    
203 dpavlin 162 if ( $ip ne $server::ip ) {
204     my $hostname = client::conf( $ip, 'hostname' => $param->{hostname} );
205 dpavlin 188
206     my @table = (
207 dpavlin 199 'ip' => qq|<input type=text name=change_ip value="$ip" onChange="document.getElementById('old_ip').style.display = '';"><span id=old_ip style="display: none; color: #888;">old: $ip<span>|,
208     'hostname' => qq|<input type=text name=hostname value="$hostname">|,
209 dpavlin 188 );
210    
211     my $deploy;
212    
213 dpavlin 216 if ( my $mac = client::mac_from_ip( $ip ) ) {
214 dpavlin 188 $deploy = client::conf( $ip, 'deploy' => $param->{deploy} );
215     push @table, (
216 dpavlin 216 'mac' => format::mac( $mac => 'html' ),
217 dpavlin 188 'deploy' => html::select( 'deploy', $deploy, config::available )
218     );
219     $deploy = qq|<h2>PXElinux</h2>| . html::pre( config::for_ip( $ip ) );
220     }
221    
222 dpavlin 199 print $client ok
223 dpavlin 162 , qq|<form method=get>|
224 dpavlin 188 , html::table( 2, @table ),
225 dpavlin 162 , qq|<input type=submit value=change></form>|
226 dpavlin 188 , $deploy
227 dpavlin 162 ;
228 dpavlin 181
229     if ( my $amt = client::conf( $ip, 'amt' ) ) {
230 dpavlin 188 print $client qq|<h2>AMT</h2>|, amt::info( $amt );
231 dpavlin 181 }
232 dpavlin 162 } else {
233 dpavlin 190
234     my $arp = {
235     map {
236     my @c = split(/\s+/,$_);
237     if ( $#c == 5 ) {
238     ( uc $c[3] => [ $c[0] , $c[5] ] )
239     } else {
240     }
241     } read_file('/proc/net/arp')
242     };
243    
244     warn "# arp ",dump( $arp );
245    
246 dpavlin 199 print $client ok
247 dpavlin 162 , qq|<h2>Clients on $server::ip</h2>|
248 dpavlin 190 , html::table( -5,
249     'ip', 'hostname', 'mac', 'deploy', 'arp',
250 dpavlin 162 map {
251     my $ip = $_;
252     $ip =~ s{^.+/ip/}{};
253 dpavlin 216 my $mac = client::mac_from_ip $ip;
254     my $arp = $arp->{ $mac };
255 dpavlin 190 $arp = $arp ? $arp->[1] : '';
256     $arp =~ s{$ip}{};
257     (
258     qq|<a href=/client/$ip>$ip</a>|
259     , client::conf( $ip, 'hostname' )
260 dpavlin 216 , format::mac( $mac => 'html' )
261 dpavlin 190 , html::tt( client::conf( $ip, 'deploy' ) )
262     , $arp
263     );
264 dpavlin 162 }
265     glob("$server::conf/ip/*")
266     )
267 dpavlin 190 , qq|<h2>ARP</h2>|
268 dpavlin 193 , html::table( -3, 'mac', 'dev', 'ip',
269     map {
270     my $c = $arp->{$_};
271 dpavlin 216 ( format::mac( $_ => 'html' ), $c->[1], $c->[0] )
272 dpavlin 193 } sort keys %$arp
273     )
274 dpavlin 162 ;
275     }
276 dpavlin 229 } elsif ( $path =~ m{^/brctl} ) {
277     print $client ok
278     ,html::pre( `brctl show` )
279     ;
280 dpavlin 224 } elsif ( $path =~ m{^/ip/?(\w+)?} ) {
281     print $client ok
282     , join("\n", map { qq|<a href=/ip/$_>$_</a>| } ( qw/link addr route neigh ntable tunnel maddr mroute xfrm/ ))
283     , ip::html( $1 )
284     ;
285 dpavlin 43 } elsif ( $path =~ m{^/our/(\w+)/(\S+)} ) {
286     eval 'our $' . $1 . ' = ' . $2;
287     warn $@ if $@;
288 dpavlin 199 print $client redirect($url), qq|<big>$1 = $2</big><br>Location: <a href="$url">$url</a>|;
289 dpavlin 67 server::debug( $debug ) if $1 eq 'debug';
290 dpavlin 158 } elsif ( $path =~ m{^/start_stop/(\S+)} ) {
291 dpavlin 199 print $client redirect, daemons::start_stop($1);
292 dpavlin 88 } elsif ( $path =~ m{^/action/([^/]+)/(.+)} ) {
293     $1->$2();
294 dpavlin 199 print $client redirect;
295 dpavlin 70 } elsif ( $path =~ m{^/kill/static/(\d+)} ) {
296 dpavlin 199 print $client redirect;
297 dpavlin 86 kill 1, $1 || kill 9, $2 && warn "killed $1";
298 dpavlin 43 } else {
299     print $client "HTTP/1.0 404 $path\r\nConnection: close\r\nContent-type: text/html\r\n\r\n<big>404 $path</big>";
300     warn "404 $path";
301     }
302    
303     }
304 dpavlin 53
305 dpavlin 42 sub start {
306    
307 dpavlin 229 warn 'network ', network::setup();
308 dpavlin 140
309 dpavlin 189 daemons::start_stop 'browser', $url;
310     daemons::start_stop $_ foreach ( qw/dhcpd tftpd dnsd/ );
311     daemons::start_stop 'kvm' unless $ENV{DEV}; # skip kvm statup when running on real device
312    
313 dpavlin 42 my $server = IO::Socket::INET->new(
314     Proto => 'tcp',
315 dpavlin 185 LocalAddr => $server::ip,
316 dpavlin 42 LocalPort => $httpd::port,
317     Listen => SOMAXCONN,
318     Reuse => 1
319 dpavlin 43 ) || die "can't start server on $url: $!";
320 dpavlin 42
321     print "url $url\n";
322    
323 dpavlin 118 while (1) {
324     my $client = $server->accept() || next; # ALARM trickle us
325 dpavlin 42 my $request = <$client>;
326    
327     warn "request $request\n" if $debug;
328    
329     if ($request =~ m{^GET (/.*) HTTP/1.[01]}) {
330 dpavlin 43 my $path = $1;
331 dpavlin 42 my $param;
332 dpavlin 43 if ( $path =~ s{\?(.+)}{} ) {
333 dpavlin 42 foreach my $p ( split(/[&;]/, $1) ) {
334     my ($n,$v) = split(/=/, $p, 2);
335     $param->{$n} = $v;
336     }
337     warn "param: ",dump( $param ) if $debug;
338     }
339 dpavlin 43 get_request $client, $path, $param;
340 dpavlin 42 } else {
341     print $client "HTTP/1.0 500 No method\r\nConnection: close\r\nContent-type: text/plain\r\n\r\n500 $request";
342     warn "500 $request";
343     }
344    
345 dpavlin 149 print $client menu() if $client->connected;
346 dpavlin 42
347     }
348    
349     die "server died";
350     }
351    
352 dpavlin 45 warn "loaded";
353    
354 dpavlin 42 1;

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