diff options
Diffstat (limited to 'openssl-1.1.0h/crypto/objects/obj_dat.pl')
| -rw-r--r-- | openssl-1.1.0h/crypto/objects/obj_dat.pl | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/objects/obj_dat.pl b/openssl-1.1.0h/crypto/objects/obj_dat.pl new file mode 100644 index 0000000..1cb3d1c --- /dev/null +++ b/openssl-1.1.0h/crypto/objects/obj_dat.pl @@ -0,0 +1,227 @@ +#! /usr/bin/env perl +# Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. +# +# Licensed under the OpenSSL license (the "License"). You may not use +# this file except in compliance with the License. You can obtain a copy +# in the file LICENSE in the source distribution or at +# https://www.openssl.org/source/license.html + +use integer; +use strict; +use warnings; + +# Generate the DER encoding for the given OID. +sub der_it +{ + # Prologue + my ($v) = @_; + my @a = split(/\s+/, $v); + my $ret = pack("C*", $a[0] * 40 + $a[1]); + shift @a; + shift @a; + + # Loop over rest of bytes; or in 0x80 for multi-byte numbers. + my $t; + foreach (@a) { + my @r = (); + $t = 0; + while ($_ >= 128) { + my $x = $_ % 128; + $_ /= 128; + push(@r, ($t++ ? 0x80 : 0) | $x); + } + push(@r, ($t++ ? 0x80 : 0) | $_); + $ret .= pack("C*", reverse(@r)); + } + return $ret; +} + + +# Read input, parse all #define's into OID name and value. +# Populate %ln and %sn with long and short names (%dupln and %dupsn) +# are used to watch for duplicates. Also %nid and %obj get the +# NID and OBJ entries. +my %ln; +my %sn; +my %dupln; +my %dupsn; +my %nid; +my %obj; +my %objd; +open(IN, "$ARGV[0]") || die "Can't open input file $ARGV[0], $!"; +while (<IN>) { + next unless /^\#define\s+(\S+)\s+(.*)$/; + my $v = $1; + my $d = $2; + $d =~ s/^\"//; + $d =~ s/\"$//; + if ($v =~ /^SN_(.*)$/) { + if (defined $dupsn{$d}) { + print "WARNING: Duplicate short name \"$d\"\n"; + } else { + $dupsn{$d} = 1; + } + $sn{$1} = $d; + } + elsif ($v =~ /^LN_(.*)$/) { + if (defined $dupln{$d}) { + print "WARNING: Duplicate long name \"$d\"\n"; + } else { + $dupln{$d} = 1; + } + $ln{$1} = $d; + } + elsif ($v =~ /^NID_(.*)$/) { + $nid{$d} = $1; + } + elsif ($v =~ /^OBJ_(.*)$/) { + $obj{$1} = $v; + $objd{$v} = $d; + } +} +close IN; + +# For every value in %obj, recursively expand OBJ_xxx values. That is: +# #define OBJ_iso 1L +# #define OBJ_identified_organization OBJ_iso,3L +# Modify %objd values in-place. Create an %objn array that has +my $changed; +do { + $changed = 0; + foreach my $k (keys %objd) { + $changed = 1 if $objd{$k} =~ s/(OBJ_[^,]+),/$objd{$1},/; + } +} while ($changed); + +my @a = sort { $a <=> $b } keys %nid; +my $n = $a[$#a] + 1; +my @lvalues = (); +my $lvalues = 0; + +# Scan all defined objects, building up the @out array. +# %obj_der holds the DER encoding as an array of bytes, and %obj_len +# holds the length in bytes. +my @out; +my %obj_der; +my %obj_len; +for (my $i = 0; $i < $n; $i++) { + if (!defined $nid{$i}) { + push(@out, " { NULL, NULL, NID_undef },\n"); + next; + } + + my $sn = defined $sn{$nid{$i}} ? "$sn{$nid{$i}}" : "NULL"; + my $ln = defined $ln{$nid{$i}} ? "$ln{$nid{$i}}" : "NULL"; + if ($sn eq "NULL") { + $sn = $ln; + $sn{$nid{$i}} = $ln; + } + if ($ln eq "NULL") { + $ln = $sn; + $ln{$nid{$i}} = $sn; + } + + my $out = " {\"$sn\", \"$ln\", NID_$nid{$i}"; + if (defined $obj{$nid{$i}} && $objd{$obj{$nid{$i}}} =~ /,/) { + my $v = $objd{$obj{$nid{$i}}}; + $v =~ s/L//g; + $v =~ s/,/ /g; + my $r = &der_it($v); + my $z = ""; + my $length = 0; + # Format using fixed-with because we use strcmp later. + foreach (unpack("C*",$r)) { + $z .= sprintf("0x%02X,", $_); + $length++; + } + $obj_der{$obj{$nid{$i}}} = $z; + $obj_len{$obj{$nid{$i}}} = $length; + + push(@lvalues, + sprintf(" %-45s /* [%5d] %s */\n", + $z, $lvalues, $obj{$nid{$i}})); + $out .= ", $length, &so[$lvalues]"; + $lvalues += $length; + } + $out .= "},\n"; + push(@out, $out); +} + +# Finally ready to generate the output. +open(OUT, ">$ARGV[1]") || die "Can't open output file $ARGV[1], $!"; +print OUT <<'EOF'; +/* + * WARNING: do not edit! + * Generated by crypto/objects/obj_dat.pl + * + * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +EOF + +print OUT "/* Serialized OID's */\n"; +printf OUT "static const unsigned char so[%d] = {\n", $lvalues + 1; +print OUT @lvalues; +print OUT "};\n\n"; + +printf OUT "#define NUM_NID %d\n", $n; +printf OUT "static const ASN1_OBJECT nid_objs[NUM_NID] = {\n"; +print OUT @out; +print OUT "};\n\n"; + +{ + no warnings "uninitialized"; + @a = grep(defined $sn{$nid{$_}}, 0 .. $n); +} +printf OUT "#define NUM_SN %d\n", $#a + 1; +printf OUT "static const unsigned int sn_objs[NUM_SN] = {\n"; +foreach (sort { $sn{$nid{$a}} cmp $sn{$nid{$b}} } @a) { + printf OUT " %4d, /* \"$sn{$nid{$_}}\" */\n", $_; +} +print OUT "};\n\n"; + +{ + no warnings "uninitialized"; + @a = grep(defined $ln{$nid{$_}}, 0 .. $n); +} +printf OUT "#define NUM_LN %d\n", $#a + 1; +printf OUT "static const unsigned int ln_objs[NUM_LN] = {\n"; +foreach (sort { $ln{$nid{$a}} cmp $ln{$nid{$b}} } @a) { + printf OUT " %4d, /* \"$ln{$nid{$_}}\" */\n", $_; +} +print OUT "};\n\n"; + +{ + no warnings "uninitialized"; + @a = grep(defined $obj{$nid{$_}}, 0 .. $n); +} +printf OUT "#define NUM_OBJ %d\n", $#a + 1; +printf OUT "static const unsigned int obj_objs[NUM_OBJ] = {\n"; + +# Compare DER; prefer shorter; if some length, use the "smaller" encoding. +sub obj_cmp +{ + no warnings "uninitialized"; + my $A = $obj_len{$obj{$nid{$a}}}; + my $B = $obj_len{$obj{$nid{$b}}}; + my $r = $A - $B; + return $r if $r != 0; + + $A = $obj_der{$obj{$nid{$a}}}; + $B = $obj_der{$obj{$nid{$b}}}; + return $A cmp $B; +} +foreach (sort obj_cmp @a) { + my $m = $obj{$nid{$_}}; + my $v = $objd{$m}; + $v =~ s/L//g; + $v =~ s/,/ /g; + printf OUT " %4d, /* %-32s %s */\n", $_, $m, $v; +} +print OUT "};\n"; + +close OUT; |