1#! /usr/bin/env perl 2# Copyright 2020 The OpenSSL Project Authors. All Rights Reserved. 3# 4# Licensed under the Apache License 2.0 (the "License"). You may not use 5# this file except in compliance with the License. You can obtain a copy 6# in the file LICENSE in the source distribution or at 7# https://www.openssl.org/source/license.html 8 9use strict; 10use warnings; 11 12package oids_to_c; 13 14use Carp; 15use File::Spec; 16use OpenSSL::OID; 17 18my $OID_name_re = qr/([a-z](?:[-_A-Za-z0-9]*[A-Za-z0-9])?)/; 19my $OID_value_re = qr/(\{.*?\})/s; 20my $OID_def_re = qr/ 21 ${OID_name_re} \s+ OBJECT \s+ IDENTIFIER \s* 22 ::= 23 \s* ${OID_value_re} 24 /x; 25 26use Data::Dumper; 27 28sub filter_to_H { 29 my ($name, $comment) = @{ shift() }; 30 my @oid_nums = @_; 31 my $oid_size = scalar @oid_nums; 32 33 (my $C_comment = $comment) =~ s|^| * |msg; 34 $C_comment = "\n/*\n${C_comment}\n */" if $C_comment ne ''; 35 (my $C_name = $name) =~ s|-|_|g; 36 my $C_bytes_size = 2 + scalar @_; 37 my $C_bytes = join(', ', map { sprintf("0x%02X", $_) } @oid_nums ); 38 39 return <<"_____"; 40$C_comment 41#define DER_OID_V_${C_name} DER_P_OBJECT, $oid_size, ${C_bytes} 42#define DER_OID_SZ_${C_name} ${C_bytes_size} 43extern const unsigned char ossl_der_oid_${C_name}[DER_OID_SZ_${C_name}]; 44_____ 45} 46 47sub filter_to_C { 48 my ($name, $comment) = @{ shift() }; 49 my @oid_nums = @_; 50 my $oid_size = scalar @oid_nums; 51 52 croak "Unsupported OID size (>127 bytes)" if $oid_size > 127; 53 54 (my $C_comment = $comment) =~ s|^| * |msg; 55 $C_comment = "\n/*\n${C_comment}\n */" if $C_comment ne ''; 56 (my $C_name = $name) =~ s|-|_|g; 57 my $C_bytes_size = 2 + $oid_size; 58 59 return <<"_____"; 60$C_comment 61const unsigned char ossl_der_oid_${C_name}[DER_OID_SZ_${C_name}] = { 62 DER_OID_V_${C_name} 63}; 64_____ 65} 66 67sub _process { 68 my %opts = %{ pop @_ } if ref $_[$#_] eq 'HASH'; 69 70 # To maintain input order 71 my @OID_names = (); 72 73 foreach my $file (@_) { 74 my $input = File::Spec->catfile($opts{dir}, $file); 75 open my $fh, $input or die "Reading $input: $!\n"; 76 77 my $text = join('', 78 map { 79 s|--.*(\R)$|$1|; 80 $_; 81 } <$fh>); 82 # print STDERR "-----BEGIN DEBUG-----\n"; 83 # print STDERR $text; 84 # print STDERR "-----END DEBUG-----\n"; 85 use re 'debugcolor'; 86 while ($text =~ m/${OID_def_re}/sg) { 87 my $comment = $&; 88 my $name = $1; 89 my $value = $2; 90 91 # print STDERR "-----BEGIN DEBUG $name-----\n"; 92 # print STDERR $value,"\n"; 93 # print STDERR "-----END DEBUG $name-----\n"; 94 register_oid($name, $value); 95 push @OID_names, [ $name, $comment ]; 96 } 97 } 98 99 return @OID_names; 100} 101 102sub process_leaves { 103 my %opts = %{ $_[$#_] } if ref $_[$#_] eq 'HASH'; 104 my @OID_names = _process @_; 105 106 my $text = ''; 107 my %leaves = map { $_ => 1 } registered_oid_leaves; 108 foreach (grep { defined $leaves{$_->[0]} } @OID_names) { 109 my $lines = $opts{filter}->($_, encode_oid($_->[0])); 110 $text .= $lines; 111 } 112 return $text; 113} 114 1151; 116
