X-Git-Url: http://dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXCIDR.pm;h=fae0f671140925cbe3aa9cfe7536cb663da510a5;hb=d0b21f21559a63d84086b549bb7570e2e16b75cd;hp=a91d13967cf7c3db845e6e49df1c954c9fd1ba53;hpb=7e7131f3574cd4a3a4183251b35c9d91e43a6a39;p=spider.git diff --git a/perl/DXCIDR.pm b/perl/DXCIDR.pm index a91d1396..fae0f671 100644 --- a/perl/DXCIDR.pm +++ b/perl/DXCIDR.pm @@ -38,12 +38,25 @@ sub _read $fn .= ".$suffix" if $suffix; my $fh = IO::File->new($fn); my @out; + my $ecount; + my $line; + if ($fh) { while (<$fh>) { chomp; + ++$line; next if /^\s*\#/; next unless /[\.:]/; + next unless $_; + unless (is_ipaddr($_)) { + ++$ecount; + LogDbg('err', qq(DXCIDR: $fn line $line: '$_' not an ip address)); + if ($ecount > 10) { + LogDbg('err', qq(DXCIDR: More than 10 errors in $fn at/after line $line: '$_' - INVALID INPUT FILE)); + return (); + } + } push @out, $_; } $fh->close; @@ -55,8 +68,10 @@ sub _read sub _load { + return unless $active; my $suffix = shift; my @in = _read($suffix); + return 0 unless @in; return scalar add(@in); } @@ -108,19 +123,30 @@ sub add { return 0 unless $active; my $count = 0; + my @out; for my $ip (@_) { # protect against stupid or malicious + next unless is_ipaddr($ip); next if $ip =~ /^127\./; next if $ip =~ /^::1$/; + next if find($ip); if ($ip =~ /\./) { - $ipv4->add_any($ip); - ++$count; - ++$count4; + eval {$ipv4->add_any($ip)}; + if ($@) { + push @out, $@; + } else { + ++$count; + ++$count4; + } } elsif ($ip =~ /:/) { - $ipv6->add_any($ip); - ++$count; - ++$count6; + eval {$ipv6->add_any($ip)}; + if ($@) { + push @out, $@; + } else { + ++$count; + ++$count6; + } } else { LogDbg('err', "DXCIDR::add non-ip address '$ip' read"); } @@ -147,7 +173,8 @@ sub _sort my @in; my @out; for (@_) { - push @in, [inet_pton(m|:|?AF_INET6:AF_INET, $_), split m|/|]; + my @ip = split m|/|; + push @in, [inet_pton(m|:|?AF_INET6:AF_INET, $ip[0]), @ip]; } @out = sort {$a->[0] <=> $b->[0]} @in; return map { "$_->[1]/$_->[2]"} @out; @@ -181,7 +208,12 @@ sub init return; } - import Net::CIDR::Lite; + eval {import Net::CIDR::Lite }; + if ($@) { + LogDbg('DXProt', "DXCIDR: import Net::CIDR::Lite error $@"); + return; + } + $active = 1; my $fn = _fn();