mirror of
https://codeberg.org/scip/pcp.git
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95 lines
2.4 KiB
Perl
Executable File
95 lines
2.4 KiB
Perl
Executable File
#!/usr/bin/perl
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use Data::Dumper;
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my %sobytes = (
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'crypto_box_NONCEBYTES' => 24,
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'crypto_box_PUBLICKEYBYTES' => 32,
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'crypto_box_SECRETKEYBYTES' => 32,
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'crypto_box_ZEROBYTES' => 32,
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'crypto_box_BOXZEROBYTES' => 16,
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'crypto_box_MACBYTES' => 16,
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'crypto_secretbox_KEYBYTES' => 32,
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'crypto_secretbox_NONCEBYTES' => 24,
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'crypto_secretbox_ZEROBYTES' => 32,
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'crypto_secretbox_BOXZEROBYTES' => 16,
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'crypto_secretbox_MACBYTES' => 16,
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'crypto_sign_PUBLICKEYBYTES' => 32,
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'crypto_sign_SECRETKEYBYTES' => 64,
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'crypto_sign_SEEDBYTES' => 32,
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'crypto_sign_BYTES' => 64,
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'crypto_stream_KEYBYTES' => 32,
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'crypto_stream_NONCEBYTES' => 24,
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'crypto_generichash_BYTES' => 32,
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'crypto_scalarmult_curve25519_BYTES' => 32,
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'crypto_scalarmult_BYTES' => 32,
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'crypto_generichash_BYTES_MAX' => 64,
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);
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my @ignore = qw(uthash.h);
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my @code;
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my @structs;
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my @typedefs;
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my %defs;
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foreach my $head (@ARGV) {
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next if grep { $head =~ $_} @ignore;
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open HEAD, "<$head" or die "Could not open $head: $!\n";
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my $raw = join '', <HEAD>;
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# resolve sodium constants
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foreach my $sobyte (sort { length($b) <=> length($a) } keys %sobytes) {
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$raw =~ s/$sobyte/$sobytes{$sobyte}/g;
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}
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# some sizes are calculated, cffi doesn't so do we
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$raw =~ s/(\d+) \+ (\d+)/$1 + $2/ge;
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# 1line type
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while ($raw =~ /^(typedef .*;)/gm) {
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push @typedefs, ('', "/*** $0: from $head:$. */");
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push @typedefs, $1;
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}
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# a struct
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# the uthash handle doesn't resolve, so we
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# use a placeholder
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while ($raw =~ /(struct [^\s]* \{[^\}]*\};)/gs) {
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my $code = $1;
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$code =~ s/UT_hash_handle hh/byte hh[56]/g;
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push @structs, ('', "/*** $0: from $head:$. */");
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push @structs, $code;
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}
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# a function
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while ($raw =~ /^([a-zA-Z].*\(.*\);)/gm) {
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my $c = $1;
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push @code, ('', "/*** $0: from $head:$. */");
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push @code, $c;
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}
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# a definition
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while ($raw =~ /^\s*#define ((EXP|PCP|PBP).*)$/gm) {
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my ($name, $def) = split /\s\s*/, $1, 2;
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$def =~ s/\/\*.*//;
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next if ($name =~ /_VERSION/);
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if (!exists $defs{$name} && $def !~ /(sizeof| \+ )/) {
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$defs{$name} = "\n# $0: from $head:$.\n$name = $def\n";
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}
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}
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close $head;
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$. = 0;
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}
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print "PCP_RAW_CODE = '''\n";
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print join "\n", @typedefs;
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print join "\n", @structs;
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print join "\n", @code;
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print "'''\n";
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print join "\n", values %defs;
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