lib/libcrypto/objects/objxref.pl

   1 #!/usr/local/bin/perl
   2
   3 use strict;
   4
   5 my %xref_tbl;
   6 my %oid_tbl;
   7
   8 my ($mac_file, $xref_file) = @ARGV;
   9
  10 open(IN, $mac_file) || die "Can't open $mac_file";
  11
  12 # Read in OID nid values for a lookup table.
  13
  14 while (<IN>)
  15         {
  16         chomp;
  17         my ($name, $num) = /^(\S+)\s+(\S+)$/;
  18         $oid_tbl{$name} = $num;
  19         }
  20 close IN;
  21
  22 open(IN, $xref_file) || die "Can't open $xref_file";
  23
  24 my $ln = 1;
  25
  26 while (<IN>)
  27         {
  28         chomp;
  29         s/#.*$//;
  30         next if (/^\S*$/);
  31         my ($xr, $p1, $p2) = /^(\S+)\s+(\S+)\s+(\S+)/;
  32         check_oid($xr);
  33         check_oid($p1);
  34         check_oid($p2);
  35         $xref_tbl{$xr} = [$p1, $p2, $ln];
  36         }
  37
  38 my @xrkeys = keys %xref_tbl;
  39
  40 my @srt1 = sort { $oid_tbl{$a} <=> $oid_tbl{$b}} @xrkeys;
  41
  42 for(my $i = 0; $i <= $#srt1; $i++)
  43         {
  44         $xref_tbl{$srt1[$i]}[2] = $i;
  45         }
  46
  47 my @srt2 = sort
  48         {
  49         my$ap1 = $oid_tbl{$xref_tbl{$a}[0]};
  50         my$bp1 = $oid_tbl{$xref_tbl{$b}[0]};
  51         return $ap1 - $bp1 if ($ap1 != $bp1);
  52         my$ap2 = $oid_tbl{$xref_tbl{$a}[1]};
  53         my$bp2 = $oid_tbl{$xref_tbl{$b}[1]};
  54
  55         return $ap2 - $bp2;
  56         } @xrkeys;
  57
  58 my $pname = $0;
  59
  60 $pname =~ s|^.[^/]/||;
  61
  62 print <<EOF;
  63 /* AUTOGENERATED BY $pname, DO NOT EDIT */
  64
  65 typedef struct
  66         {
  67         int sign_id;
  68         int hash_id;
  69         int pkey_id;
  70         } nid_triple;
  71
  72 static const nid_triple sigoid_srt[] =
  73         {
  74 EOF
  75
  76 foreach (@srt1)
  77         {
  78         my $xr = $_;
  79         my ($p1, $p2) = @{$xref_tbl{$_}};
  80         print "\t{NID_$xr, NID_$p1, NID_$p2},\n";
  81         }
  82
  83 print "\t};";
  84 print <<EOF;
  85
  86
  87 static const nid_triple * const sigoid_srt_xref[] =
  88         {
  89 EOF
  90
  91 foreach (@srt2)
  92         {
  93         my $x = $xref_tbl{$_}[2];
  94         print "\t\&sigoid_srt\[$x\],\n";
  95         }
  96
  97 print "\t};\n\n";
  98
  99 sub check_oid
 100         {
 101         my ($chk) = @_;
 102         if (!exists $oid_tbl{$chk})
 103                 {
 104                 die "Not Found \"$chk\"\n";
 105                 }
 106         }
 107