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package httpd; |
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|
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use warnings; |
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use strict; |
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use autodie; |
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|
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=head1 httpd |
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|
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Start with: |
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|
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perl -Ilib/PXElator -Mhttpd -e httpd::start |
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|
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=cut |
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|
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use Data::Dump qw/dump/; |
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use Carp qw/confess/; |
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use File::Slurp; |
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#use JSON; |
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use IO::Socket::INET; |
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use Regexp::Common qw/net/; |
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|
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sub menu {qq{ |
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|
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<div style="font-size: 80%; color: #888"> |
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<a href=/>home</a> |
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<a href=/server>server</a> |
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<a href=/brctl>brctl</a> |
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<a href=/ip>ip</a> |
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<a href=/client>client</a> |
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</div> |
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|
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}} |
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|
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our $port = 7777; |
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|
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use server; |
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our $debug = server::debug; |
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our $url = "http://$server::ip:$port"; |
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|
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use html; |
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our $static_pids; |
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use progress_bar; |
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use config; |
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use client; |
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use log; |
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use x11; |
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use amt; |
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use boolean; |
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use daemons; |
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|
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use kvm; |
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use browser; |
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use network; |
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use ip; |
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use wireshark; |
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use syslogd; |
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|
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use CouchDB; |
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|
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sub static { |
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my ($client,$path) = @_; |
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|
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my $full = "$server::base_dir/tftp/$path"; |
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|
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return if ! -f $full; |
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|
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if ( my $pid = fork ) { |
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# parent |
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close($client); |
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$static_pids->{$pid} = $path; |
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return 1; |
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} |
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|
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my $type = 'application/octet-stream'; |
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$type = 'text/html' if $path =~ m{\.htm}; |
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$type = 'application/javascript' if $path =~ m{\.js}; |
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$type = 'text/plain' if $path =~ m{\.txt}; |
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|
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my $size = -s $full || return; |
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|
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print $client "HTTP/1.0 200 OK\r\nContent-Type: $type\r\nContent-Length: $size\r\nConnection: close\r\n\r\n"; |
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|
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open(my $fh, $full); |
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|
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my $block = 1400; # try not to fragment packages (pxelinux seems to have problems with it) |
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my $buff; |
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my $pos = 0; |
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|
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CouchDB::audit( 'static', { pid => $$, path => $path, type => $type, size => $size, block => $block, peerhost => $client->peerhost }); |
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|
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progress_bar::start; |
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|
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while( my $len = read $fh, $buff, $block ) { |
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print $client $buff; |
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$client->flush; |
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$pos += $len; |
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progress_bar::tick( $path, $pos, $size ); |
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} |
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close($fh); |
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close($client); |
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|
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print STDERR "\n"; |
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|
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exit(0); |
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} |
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|
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sub ok { |
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qq|HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n| . menu() |
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} |
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|
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sub redirect { |
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my $to = shift; |
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$to ||= $url; |
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qq|HTTP/1.1 302 Found\r\nContent-type: text/html\r\nLocation: $to\r\n\r\n| |
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} |
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|
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sub get_request { |
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my ( $client, $path, $param ) = @_; |
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|
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server->refresh; |
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|
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CouchDB::audit( 'request', { path => $path, param => $param, peerhost => $client->peerhost } ); |
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|
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if ( my $found = static( $client,$path ) ) { |
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warn "static $found" if $debug; |
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} elsif ( $path eq '/' ) { |
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|
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my @rows; |
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|
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my $debug_proc = ''; |
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|
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warn "XXX pids = ", dump( $daemons::pids ); |
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|
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foreach my $name ( sort keys %$daemons::pids ) { |
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my $pid = $daemons::pids->{$name}; # || next; |
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|
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my $html; |
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|
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my $proc = "/proc/$pid/status"; |
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|
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if ( -e $proc ) { |
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$html .= qq|<a href=/start_stop/$name>$pid</a>|; |
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if ( $debug ) { |
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$html .= qq| <a name=$pid href=#proc-$pid>?</a>| if $name->can('start'); |
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|
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$debug_proc |
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.= qq|<a name=proc-$pid href=#$pid>$proc</a><pre style="font-size: 10%">| |
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. read_file($proc) |
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. qq|</pre>| |
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; |
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} |
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|
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if ( $name->can('fork_if_active') ) { |
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$html .= qq| <a href=/start_stop/$name/$_>$_</a>| foreach $name->fork_if_active; |
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} |
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|
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if ( $name->can('actions') ) { |
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$html .= qq| <a href=/action/$name/$_>$_</a>| foreach $name->actions; |
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} |
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} else { |
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if ( $pid =~ m{^\d+$} ) { |
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$html .= qq|$pid exited | |
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} else { |
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$html .= qq|$pid |; |
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} |
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$html .= qq|<a href=/start_stop/$name>restart</a>| if $pid || $name->can('start'); |
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if ( $name->can('fork_actions') ) { |
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$html .= qq| <a href=/start_stop/$name/$_>$_</a>| foreach $name->fork_actions; |
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} |
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} |
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|
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die "no html generated" unless $html; |
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|
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push @rows, ( $name => $html ); |
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} |
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|
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my $below_table = ''; |
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|
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warn 'static_pids: ', dump( $static_pids ) if $debug; |
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foreach my $pid ( keys %$static_pids ) { |
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my $path = $static_pids->{$pid}; |
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if ( -d "/proc/$pid" ) { |
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push @rows, ( $path => qq|<a href=/kill/static/$pid>$pid</a>| ); |
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} elsif ( $param->{clean_completed_downloads} ) { |
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delete $static_pids->{$pid} |
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} else { |
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push @rows, ( $path => "$pid competed" ); |
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$below_table = qq|<a href="/?clean_completed_downloads=1">clean completed downloads</a>|; |
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} |
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} |
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|
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print $client ok |
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, html::table( 2, @rows ) |
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, $below_table |
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, html::tabs( log::mac_changes ) |
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, $debug_proc |
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; |
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|
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} elsif ( $path =~ m{^/server} ) { |
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print $client ok |
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, html::table( 2, |
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'debug' => qq|<a href=/our/debug/| . boolean::toggle($debug) . qq|>$debug</a>|, |
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map { |
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( $_, html::tt eval '$server::'.$_ ) |
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} ( 'ip', 'netmask', 'ip_from', 'ip_to', 'domain_name', 'base_dir', 'conf' ) |
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) |
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; |
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} elsif ( $path =~ m!^/client(?:/$RE{net}{IPv4}{-keep})?! ) { |
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my $ip = $1 || $client->peerhost; |
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|
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if ( my $new_ip = $param->{change_ip} ) { |
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client::change_ip( $ip, $new_ip ); |
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$ip = $new_ip; |
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} |
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|
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my $ip_short = (split(/\./, $ip, 4))[3]; |
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|
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# if ( $ip ne $server::ip ) -- not flexible enough for tunnel endpoints |
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if ( $ip_short >= $server::ip_from && $ip_short <= $server::ip_to ) { |
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my $hostname = client::conf( $ip, 'hostname' => $param->{hostname} ); |
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|
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my @table = ( |
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'ip' => qq|<input type=text name=change_ip value="$ip" onChange="document.getElementById('old_ip').style.display = '';"><span id=old_ip style="display: none; color: #888;">old: $ip<span>|, |
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'hostname' => qq|<input type=text name=hostname value="$hostname">|, |
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); |
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|
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my $deploy; |
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|
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if ( my $mac = client::mac_from_ip( $ip ) ) { |
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$deploy = client::conf( $ip, 'deploy' => $param->{deploy} ); |
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push @table, ( |
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'mac' => format::mac( $mac => 'html' ), |
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'deploy' => html::select( 'deploy', $deploy, config::available ) |
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); |
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$deploy = qq|<h2>PXElinux</h2>| . html::pre( config::for_ip( $ip ) ); |
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} |
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|
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print $client ok |
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, qq|<form method=get>| |
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, html::table( 2, @table ), |
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, qq|<input type=submit value=change></form>| |
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, $deploy |
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; |
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|
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if ( my $amt = client::conf( $ip, 'amt' ) ) { |
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print $client qq|<h2>AMT</h2>|, amt::info( $amt, $ip ); |
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} |
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} else { |
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|
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my $arp = { |
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map { |
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my @c = split(/\s+/,$_); |
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if ( $#c == 5 ) { |
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( uc $c[3] => [ $c[0] , $c[5] ] ) |
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} else { |
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} |
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} read_file('/proc/net/arp') |
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}; |
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|
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warn "# arp ",dump( $arp ); |
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|
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print $client ok |
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, qq|<h2>Clients on $server::ip</h2>| |
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, html::table( -5, |
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'ip', 'mac', 'hostname', 'deploy', 'arp', |
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map { |
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my $ip = $_; |
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my $mac = client::mac_from_ip $ip; |
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my $arp = $arp->{ $mac }; |
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$arp = $arp ? $arp->[1] : ''; |
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$arp =~ s{$ip}{}; |
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( |
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qq|<a href=/client/$ip>$ip</a>| |
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, format::mac( $mac => 'html' ) |
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, client::conf( $ip, 'hostname' ) |
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, html::tt( client::conf( $ip, 'deploy' ) ) |
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, $arp |
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); |
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} |
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sort { ip::to_int($a) cmp ip::to_int($b) } |
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map { |
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my $ip = $_; |
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$ip =~ s{^.+/ip/}{}; |
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$ip; |
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} glob("$server::conf/ip/*") |
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) |
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, qq|<h2>ARP</h2>| |
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, html::table( -3, 'ip', 'mac', 'dev', |
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map { |
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my $c = $arp->{$_}; |
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( $c->[0], format::mac( $_ => 'html' ), $c->[1] ) |
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} sort keys %$arp |
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) |
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; |
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} |
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} elsif ( $path =~ m{^/brctl} ) { |
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print $client ok |
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,html::pre( `brctl show` ) |
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; |
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} elsif ( $path =~ m{^/ip/?(\w+)?} ) { |
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print $client ok |
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, join("\n", map { qq|<a href=/ip/$_>$_</a>| } ( qw/link addr route neigh ntable tunnel maddr mroute xfrm/ )) |
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, ip::html( $1 ) |
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; |
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} elsif ( $path =~ m{^/our/(\w+)/(\S+)} ) { |
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eval 'our $' . $1 . ' = ' . $2; |
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warn $@ if $@; |
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print $client redirect($url), qq|<big>$1 = $2</big><br>Location: <a href="$url">$url</a>|; |
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server::debug( $debug ) if $1 eq 'debug'; |
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} elsif ( $path =~ m{^/start_stop/(\S+)} ) { |
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print $client redirect, daemons::start_stop($1); |
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} elsif ( $path =~ m{^/action/([^/]+)/(.+)} ) { |
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$1->$2(); |
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print $client redirect; |
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} elsif ( $path =~ m{^/kill/static/(\d+)} ) { |
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print $client redirect; |
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kill 1, $1 || kill 9, $2 && warn "killed $1"; |
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} else { |
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print $client "HTTP/1.0 404 $path\r\nConnection: close\r\nContent-type: text/html\r\n\r\n<big>404 $path</big>"; |
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warn "404 $path"; |
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} |
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|
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} |
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|
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sub start { |
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|
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warn 'network ', network::setup(); |
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|
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daemons::start_stop 'browser', $url; |
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daemons::start_stop $_ foreach ( qw/dhcpd tftpd dnsd syslogd/ ); |
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daemons::start_stop 'kvm' unless $ENV{DEV}; # skip kvm statup when running on real device |
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|
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my $server = IO::Socket::INET->new( |
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Proto => 'tcp', |
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LocalAddr => $server::ip, |
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LocalPort => $httpd::port, |
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Listen => SOMAXCONN, |
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Reuse => 1 |
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) || die "can't start server on $url: $!"; |
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|
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print "url $url\n"; |
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|
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while (1) { |
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my $client = $server->accept() || next; # ALARM trickle us |
| 345 |
my $request = <$client>; |
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|
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warn "request $request\n" if $debug; |
| 348 |
|
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if ($request =~ m{^GET (/.*) HTTP/1.[01]}) { |
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my $path = $1; |
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my $param; |
| 352 |
if ( $path =~ s{\?(.+)}{} ) { |
| 353 |
foreach my $p ( split(/[&;]/, $1) ) { |
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my ($n,$v) = split(/=/, $p, 2); |
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$param->{$n} = $v; |
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} |
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warn "param: ",dump( $param ) if $debug; |
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} |
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get_request $client, $path, $param; |
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} else { |
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print $client "HTTP/1.0 500 No method\r\nConnection: close\r\nContent-type: text/plain\r\n\r\n500 $request"; |
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warn "500 $request"; |
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} |
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|
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print $client menu() if $client->connected; |
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|
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} |
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|
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die "server died"; |
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} |
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|
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warn "loaded"; |
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|
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1; |
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