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

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Revision 224 - (hide annotations)
Sat Aug 15 22:38:02 2009 UTC (14 years, 7 months ago) by dpavlin
File size: 8290 byte(s)
added ip parser

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

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