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

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Revision 262 - (hide annotations)
Wed Aug 19 11:02:15 2009 UTC (14 years, 7 months ago) by dpavlin
File size: 8843 byte(s)
use client IP if it's not specified in amt file
(assuming that AMT is on DHCP settings)

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 $static_pids;
42 dpavlin 115 use progress_bar;
43 dpavlin 153 use config;
44 dpavlin 159 use client;
45     use log;
46 dpavlin 173 use x11;
47 dpavlin 181 use amt;
48 dpavlin 185 use boolean;
49     use daemons;
50 dpavlin 43
51 dpavlin 185 use kvm;
52     use browser;
53     use network;
54 dpavlin 224 use ip;
55 dpavlin 225 use wireshark;
56 dpavlin 231 use syslogd;
57 dpavlin 185
58 dpavlin 207 use CouchDB;
59 dpavlin 185
60 dpavlin 42 sub static {
61     my ($client,$path) = @_;
62    
63 dpavlin 65 my $full = "$server::base_dir/tftp/$path";
64 dpavlin 42
65 dpavlin 65 return if ! -f $full;
66 dpavlin 42
67 dpavlin 70 if ( my $pid = fork ) {
68     # parent
69     close($client);
70     $static_pids->{$pid} = $path;
71     return 1;
72     }
73    
74 dpavlin 65 my $type = 'application/octet-stream';
75 dpavlin 42 $type = 'text/html' if $path =~ m{\.htm};
76     $type = 'application/javascript' if $path =~ m{\.js};
77 dpavlin 65 $type = 'text/plain' if $path =~ m{\.txt};
78 dpavlin 42
79 dpavlin 65 my $size = -s $full || return;
80    
81     print $client "HTTP/1.0 200 OK\r\nContent-Type: $type\r\nContent-Length: $size\r\nConnection: close\r\n\r\n";
82    
83     open(my $fh, $full);
84    
85 dpavlin 96 my $block = 1400; # try not to fragment packages (pxelinux seems to have problems with it)
86 dpavlin 65 my $buff;
87     my $pos = 0;
88    
89 dpavlin 208 CouchDB::audit( 'static', { pid => $$, path => $path, type => $type, size => $size, block => $block, peerhost => $client->peerhost });
90 dpavlin 96
91 dpavlin 115 progress_bar::start;
92 dpavlin 105
93 dpavlin 65 while( my $len = read $fh, $buff, $block ) {
94 dpavlin 107 print $client $buff;
95 dpavlin 105 $client->flush;
96 dpavlin 65 $pos += $len;
97 dpavlin 115 progress_bar::tick( $path, $pos, $size );
98 dpavlin 42 }
99 dpavlin 65 close($fh);
100     close($client);
101 dpavlin 42
102 dpavlin 105 print STDERR "\n";
103 dpavlin 65
104 dpavlin 107 exit(0);
105 dpavlin 42 }
106    
107 dpavlin 199 sub ok {
108     qq|HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n| . menu()
109     }
110 dpavlin 67
111 dpavlin 199 sub redirect {
112     my $to = shift;
113     $to ||= $url;
114     qq|HTTP/1.1 302 Found\r\nContent-type: text/html\r\nLocation: $to\r\n\r\n|
115     }
116    
117 dpavlin 43 sub get_request {
118     my ( $client, $path, $param ) = @_;
119    
120 dpavlin 128 server->refresh;
121    
122 dpavlin 208 CouchDB::audit( 'request', { path => $path, param => $param, peerhost => $client->peerhost } );
123 dpavlin 43
124     if ( my $found = static( $client,$path ) ) {
125     warn "static $found" if $debug;
126     } elsif ( $path eq '/' ) {
127 dpavlin 53
128 dpavlin 251 my @rows;
129 dpavlin 70
130 dpavlin 96 my $debug_proc = '';
131 dpavlin 71
132 dpavlin 243 warn "XXX pids = ", dump( $daemons::pids );
133    
134 dpavlin 185 foreach my $name ( sort keys %$daemons::pids ) {
135 dpavlin 243 my $pid = $daemons::pids->{$name}; # || next;
136 dpavlin 43
137 dpavlin 173 my $html;
138 dpavlin 66
139 dpavlin 81 my $proc = "/proc/$pid/status";
140 dpavlin 71
141 dpavlin 81 if ( -e $proc ) {
142 dpavlin 173 $html .= qq|<a href=/start_stop/$name>$pid</a>|;
143 dpavlin 81 if ( $debug ) {
144 dpavlin 225 $html .= qq| <a name=$pid href=#proc-$pid>?</a>| if $name->can('start');
145 dpavlin 81
146     $debug_proc
147     .= qq|<a name=proc-$pid href=#$pid>$proc</a><pre style="font-size: 10%">|
148     . read_file($proc)
149     . qq|</pre>|
150     ;
151     }
152    
153 dpavlin 225 if ( $name->can('fork_if_active') ) {
154     $html .= qq| <a href=/start_stop/$name/$_>$_</a>| foreach $name->fork_if_active;
155 dpavlin 81 }
156 dpavlin 88
157     if ( $name->can('actions') ) {
158 dpavlin 225 $html .= qq| <a href=/action/$name/$_>$_</a>| foreach $name->actions;
159 dpavlin 88 }
160 dpavlin 173 } else {
161 dpavlin 243 if ( $pid =~ m{^\d+$} ) {
162     $html .= qq|$pid exited |
163     } else {
164     $html .= qq|$pid |;
165     }
166     $html .= qq|<a href=/start_stop/$name>restart</a>| if $pid || $name->can('start');
167 dpavlin 225 if ( $name->can('fork_actions') ) {
168     $html .= qq| <a href=/start_stop/$name/$_>$_</a>| foreach $name->fork_actions;
169     }
170 dpavlin 71 }
171    
172 dpavlin 243 die "no html generated" unless $html;
173    
174 dpavlin 66 push @rows, ( $name => $html );
175     }
176    
177 dpavlin 91 my $below_table = '';
178    
179 dpavlin 78 warn 'static_pids: ', dump( $static_pids ) if $debug;
180 dpavlin 70 foreach my $pid ( keys %$static_pids ) {
181     my $path = $static_pids->{$pid};
182     if ( -d "/proc/$pid" ) {
183     push @rows, ( $path => qq|<a href=/kill/static/$pid>$pid</a>| );
184 dpavlin 91 } elsif ( $param->{clean_completed_downloads} ) {
185     delete $static_pids->{$pid}
186 dpavlin 70 } else {
187     push @rows, ( $path => "$pid competed" );
188 dpavlin 91 $below_table = qq|<a href="/?clean_completed_downloads=1">clean completed downloads</a>|;
189 dpavlin 70 }
190     }
191    
192 dpavlin 199 print $client ok
193 dpavlin 72 , html::table( 2, @rows )
194 dpavlin 91 , $below_table
195 dpavlin 72 , html::tabs( log::mac_changes )
196     , $debug_proc
197     ;
198 dpavlin 66
199 dpavlin 149 } elsif ( $path =~ m{^/server} ) {
200 dpavlin 199 print $client ok
201 dpavlin 251 , html::table( 2,
202     'debug' => qq|<a href=/our/debug/| . boolean::toggle($debug) . qq|>$debug</a>|,
203     map {
204     ( $_, html::tt eval '$server::'.$_ )
205     } ( 'ip', 'netmask', 'ip_from', 'ip_to', 'domain_name', 'base_dir', 'conf' )
206     )
207 dpavlin 149 ;
208 dpavlin 162 } elsif ( $path =~ m!^/client(?:/$RE{net}{IPv4}{-keep})?! ) {
209     my $ip = $1 || $client->peerhost;
210 dpavlin 200
211     if ( my $new_ip = $param->{change_ip} ) {
212     client::change_ip( $ip, $new_ip );
213     $ip = $new_ip;
214     }
215    
216 dpavlin 162 if ( $ip ne $server::ip ) {
217     my $hostname = client::conf( $ip, 'hostname' => $param->{hostname} );
218 dpavlin 188
219     my @table = (
220 dpavlin 199 'ip' => qq|<input type=text name=change_ip value="$ip" onChange="document.getElementById('old_ip').style.display = '';"><span id=old_ip style="display: none; color: #888;">old: $ip<span>|,
221     'hostname' => qq|<input type=text name=hostname value="$hostname">|,
222 dpavlin 188 );
223    
224     my $deploy;
225    
226 dpavlin 216 if ( my $mac = client::mac_from_ip( $ip ) ) {
227 dpavlin 188 $deploy = client::conf( $ip, 'deploy' => $param->{deploy} );
228     push @table, (
229 dpavlin 216 'mac' => format::mac( $mac => 'html' ),
230 dpavlin 188 'deploy' => html::select( 'deploy', $deploy, config::available )
231     );
232     $deploy = qq|<h2>PXElinux</h2>| . html::pre( config::for_ip( $ip ) );
233     }
234    
235 dpavlin 199 print $client ok
236 dpavlin 162 , qq|<form method=get>|
237 dpavlin 188 , html::table( 2, @table ),
238 dpavlin 162 , qq|<input type=submit value=change></form>|
239 dpavlin 188 , $deploy
240 dpavlin 162 ;
241 dpavlin 181
242     if ( my $amt = client::conf( $ip, 'amt' ) ) {
243 dpavlin 262 print $client qq|<h2>AMT</h2>|, amt::info( $amt, $ip );
244 dpavlin 181 }
245 dpavlin 162 } else {
246 dpavlin 190
247     my $arp = {
248     map {
249     my @c = split(/\s+/,$_);
250     if ( $#c == 5 ) {
251     ( uc $c[3] => [ $c[0] , $c[5] ] )
252     } else {
253     }
254     } read_file('/proc/net/arp')
255     };
256    
257     warn "# arp ",dump( $arp );
258    
259 dpavlin 199 print $client ok
260 dpavlin 162 , qq|<h2>Clients on $server::ip</h2>|
261 dpavlin 190 , html::table( -5,
262     'ip', 'hostname', 'mac', 'deploy', 'arp',
263 dpavlin 162 map {
264     my $ip = $_;
265     $ip =~ s{^.+/ip/}{};
266 dpavlin 216 my $mac = client::mac_from_ip $ip;
267     my $arp = $arp->{ $mac };
268 dpavlin 190 $arp = $arp ? $arp->[1] : '';
269     $arp =~ s{$ip}{};
270     (
271     qq|<a href=/client/$ip>$ip</a>|
272     , client::conf( $ip, 'hostname' )
273 dpavlin 216 , format::mac( $mac => 'html' )
274 dpavlin 190 , html::tt( client::conf( $ip, 'deploy' ) )
275     , $arp
276     );
277 dpavlin 162 }
278     glob("$server::conf/ip/*")
279     )
280 dpavlin 190 , qq|<h2>ARP</h2>|
281 dpavlin 193 , html::table( -3, 'mac', 'dev', 'ip',
282     map {
283     my $c = $arp->{$_};
284 dpavlin 216 ( format::mac( $_ => 'html' ), $c->[1], $c->[0] )
285 dpavlin 193 } sort keys %$arp
286     )
287 dpavlin 162 ;
288     }
289 dpavlin 229 } elsif ( $path =~ m{^/brctl} ) {
290     print $client ok
291     ,html::pre( `brctl show` )
292     ;
293 dpavlin 224 } elsif ( $path =~ m{^/ip/?(\w+)?} ) {
294     print $client ok
295     , join("\n", map { qq|<a href=/ip/$_>$_</a>| } ( qw/link addr route neigh ntable tunnel maddr mroute xfrm/ ))
296     , ip::html( $1 )
297     ;
298 dpavlin 43 } elsif ( $path =~ m{^/our/(\w+)/(\S+)} ) {
299     eval 'our $' . $1 . ' = ' . $2;
300     warn $@ if $@;
301 dpavlin 199 print $client redirect($url), qq|<big>$1 = $2</big><br>Location: <a href="$url">$url</a>|;
302 dpavlin 67 server::debug( $debug ) if $1 eq 'debug';
303 dpavlin 158 } elsif ( $path =~ m{^/start_stop/(\S+)} ) {
304 dpavlin 199 print $client redirect, daemons::start_stop($1);
305 dpavlin 88 } elsif ( $path =~ m{^/action/([^/]+)/(.+)} ) {
306     $1->$2();
307 dpavlin 199 print $client redirect;
308 dpavlin 70 } elsif ( $path =~ m{^/kill/static/(\d+)} ) {
309 dpavlin 199 print $client redirect;
310 dpavlin 86 kill 1, $1 || kill 9, $2 && warn "killed $1";
311 dpavlin 43 } else {
312     print $client "HTTP/1.0 404 $path\r\nConnection: close\r\nContent-type: text/html\r\n\r\n<big>404 $path</big>";
313     warn "404 $path";
314     }
315    
316     }
317 dpavlin 53
318 dpavlin 42 sub start {
319    
320 dpavlin 229 warn 'network ', network::setup();
321 dpavlin 140
322 dpavlin 189 daemons::start_stop 'browser', $url;
323 dpavlin 231 daemons::start_stop $_ foreach ( qw/dhcpd tftpd dnsd syslogd/ );
324 dpavlin 189 daemons::start_stop 'kvm' unless $ENV{DEV}; # skip kvm statup when running on real device
325    
326 dpavlin 42 my $server = IO::Socket::INET->new(
327     Proto => 'tcp',
328 dpavlin 185 LocalAddr => $server::ip,
329 dpavlin 42 LocalPort => $httpd::port,
330     Listen => SOMAXCONN,
331     Reuse => 1
332 dpavlin 43 ) || die "can't start server on $url: $!";
333 dpavlin 42
334     print "url $url\n";
335    
336 dpavlin 118 while (1) {
337     my $client = $server->accept() || next; # ALARM trickle us
338 dpavlin 42 my $request = <$client>;
339    
340     warn "request $request\n" if $debug;
341    
342     if ($request =~ m{^GET (/.*) HTTP/1.[01]}) {
343 dpavlin 43 my $path = $1;
344 dpavlin 42 my $param;
345 dpavlin 43 if ( $path =~ s{\?(.+)}{} ) {
346 dpavlin 42 foreach my $p ( split(/[&;]/, $1) ) {
347     my ($n,$v) = split(/=/, $p, 2);
348     $param->{$n} = $v;
349     }
350     warn "param: ",dump( $param ) if $debug;
351     }
352 dpavlin 43 get_request $client, $path, $param;
353 dpavlin 42 } else {
354     print $client "HTTP/1.0 500 No method\r\nConnection: close\r\nContent-type: text/plain\r\n\r\n500 $request";
355     warn "500 $request";
356     }
357    
358 dpavlin 149 print $client menu() if $client->connected;
359 dpavlin 42
360     }
361    
362     die "server died";
363     }
364    
365 dpavlin 45 warn "loaded";
366    
367 dpavlin 42 1;

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