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# FIPS distribution filter.
# Takes tarball listing and removes unnecessary files and directories.
#
my $objs = "";
foreach (split / /, "FIPS_EX_OBJ AES_ENC BN_ASM DES_ENC SHA1_ASM_OBJ MODES_ASM_OBJ")
{
$objs .= " $ENV{$_}";
}
my @objlist = split / /, $objs;
foreach (@objlist) { $tarobjs{"$1.c"} = 1 if /([^\/]+).o$/};
$tarobjs{"ncbc_enc.c"} = 1;
foreach (split / /, $ENV{LINKDIRS} ) { $cdirs{$_} = 1 };
$cdirs{perlasm} = 1;
while (<STDIN>)
{
chomp;
# Skip directories but leave top level files.
next unless (/^(fips\/|crypto|util|test|include)/ || (!/\// && -f $_));
if (/^crypto\/([^\/]+)/)
{
# Skip unused directories under crypto/
next if -d "crypto/$1" && !exists $cdirs{$1};
# Keep assembly language dir, Makefile or certain extensions
if (!/\/asm\// && !/\/Makefile$/ && !/\.(in|pl|h)$/)
{
# If C source file must be on list.
next if !/(\w+\.c)$/ || !exists $tarobjs{$1};
}
}
print "$_\n";
}
exit 1;
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