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geoip: selective endianness catalog generation

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This commit is contained in:
Philip Prindeville
2018-02-07 19:24:12 -07:00
committed by Jan Engelhardt
parent 56e5970c64
commit 2f37af43c5
1 changed files with 63 additions and 29 deletions
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92
geoip/xt_geoip_build
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@@ -8,23 +8,45 @@ use IO::Handle;
use Text::CSV_XS; # or trade for Text::CSV
use strict;
my $le32 = pack('V', 0x10000000);
my $be32 = pack('N', 0x10000000);
my $u32 = undef;
sub wantBE { (!$u32 || $u32 eq $be32); }
sub wantLE { (!$u32 || $u32 eq $le32); }
my $csv = Text::CSV_XS->new({
allow_whitespace => 1,
binary => 1,
eol => $/,
}); # or Text::CSV
my $target_dir = ".";
my $native_only = 0;
&Getopt::Long::Configure(qw(bundling));
&GetOptions(
"D=s" => \$target_dir,
"n" => \$native_only,
);
if (!-d $target_dir) {
print STDERR "Target directory $target_dir does not exist.\n";
exit 1;
}
foreach (qw(LE BE)) {
my @dbs = qw(LE BE);
if ($native_only) {
$u32 = pack('L', 0x10000000);
if ($u32 eq $le32) {
@dbs = qw(LE);
} elsif ($u32 eq $be32) {
@dbs = qw(BE);
} else {
print STDERRR "Can't determine endianness.\n";
exit 1;
}
}
foreach (@dbs) {
my $dir = "$target_dir/$_";
if (!-e $dir && !mkdir($dir)) {
print STDERR "Could not mkdir $dir: $!\n";
@@ -80,43 +102,55 @@ sub dump_one
scalar(@{$country->{pool_v6}}),
$iso_code, $country->{name};
$file = "$target_dir/LE/".uc($iso_code).".iv6";
if (!open($fh_le, "> $file")) {
print STDERR "Error opening $file: $!\n";
exit 1;
if (wantLE) {
$file = "$target_dir/LE/".uc($iso_code).".iv6";
if (!open($fh_le, "> $file")) {
print STDERR "Error opening $file: $!\n";
exit 1;
}
foreach my $range (@{$country->{pool_v6}}) {
print $fh_le &ip6_swap($range->[0]), &ip6_swap($range->[1]);
}
close $fh_le;
}
$file = "$target_dir/BE/".uc($iso_code).".iv6";
if (!open($fh_be, "> $file")) {
print STDERR "Error opening $file: $!\n";
exit 1;
if (wantBE) {
$file = "$target_dir/BE/".uc($iso_code).".iv6";
if (!open($fh_be, "> $file")) {
print STDERR "Error opening $file: $!\n";
exit 1;
}
foreach my $range (@{$country->{pool_v6}}) {
print $fh_be $range->[0], $range->[1];
}
close $fh_be;
}
foreach my $range (@{$country->{pool_v6}}) {
print $fh_be $range->[0], $range->[1];
print $fh_le &ip6_swap($range->[0]), &ip6_swap($range->[1]);
}
close $fh_le;
close $fh_be;
printf "%5u IPv4 ranges for %s %s\n",
scalar(@{$country->{pool_v4}}),
$iso_code, $country->{name};
$file = "$target_dir/LE/".uc($iso_code).".iv4";
if (!open($fh_le, "> $file")) {
print STDERR "Error opening $file: $!\n";
exit 1;
if (wantLE) {
$file = "$target_dir/LE/".uc($iso_code).".iv4";
if (!open($fh_le, "> $file")) {
print STDERR "Error opening $file: $!\n";
exit 1;
}
foreach my $range (@{$country->{pool_v4}}) {
print $fh_le pack("VV", $range->[0], $range->[1]);
}
close $fh_le;
}
$file = "$target_dir/BE/".uc($iso_code).".iv4";
if (!open($fh_be, "> $file")) {
print STDERR "Error opening $file: $!\n";
exit 1;
if (wantBE) {
$file = "$target_dir/BE/".uc($iso_code).".iv4";
if (!open($fh_be, "> $file")) {
print STDERR "Error opening $file: $!\n";
exit 1;
}
foreach my $range (@{$country->{pool_v4}}) {
print $fh_be pack("NN", $range->[0], $range->[1]);
}
close $fh_be;
}
foreach my $range (@{$country->{pool_v4}}) {
print $fh_le pack("VV", $range->[0], $range->[1]);
print $fh_be pack("NN", $range->[0], $range->[1]);
}
close $fh_le;
close $fh_be;
}
sub ip6_pack