crypto/objects/objects.pl

   1 #! /usr/bin/env perl
   2 # Copyright 2000-2018 The OpenSSL Project Authors. All Rights Reserved.
   3 #
   4 # Licensed under the OpenSSL license (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
   9 # Output year depends on the year of the script and the input files.
  10 my $YEAR = [localtime([stat($0)]->[9])]->[5] + 1900;
  11 my $iYEAR = [localtime([stat($ARGV[0])]->[9])]->[5] + 1900;
  12 $YEAR = $iYEAR if $iYEAR > $YEAR;
  13 $iYEAR = [localtime([stat($ARGV[1])]->[9])]->[5] + 1900;
  14 $YEAR = $iYEAR if $iYEAR > $YEAR;
  15
  16 open (NUMIN,"$ARGV[1]") || die "Can't open number file $ARGV[1]";
  17 $max_nid=0;
  18 $o=0;
  19 while(<NUMIN>)
  20         {
  21         s|\R$||;
  22         $o++;
  23         s/#.*$//;
  24         next if /^\s*$/;
  25         $_ = 'X'.$_;
  26         ($Cname,$mynum) = split;
  27         $Cname =~ s/^X//;
  28         if (defined($nidn{$mynum}))
  29                 { die "$ARGV[1]:$o:There's already an object with NID ",$mynum," on line ",$order{$mynum},"\n"; }
  30         if (defined($nid{$Cname}))
  31                 { die "$ARGV[1]:$o:There's already an object with name ",$Cname," on line ",$order{$nid{$Cname}},"\n"; }
  32         $nid{$Cname} = $mynum;
  33         $nidn{$mynum} = $Cname;
  34         $order{$mynum} = $o;
  35         $max_nid = $mynum if $mynum > $max_nid;
  36         }
  37 close NUMIN;
  38
  39 open (IN,"$ARGV[0]") || die "Can't open input file $ARGV[0]";
  40 $Cname="";
  41 $o=0;
  42 while (<IN>)
  43         {
  44         s|\R$||;
  45         $o++;
  46         if (/^!module\s+(.*)$/)
  47                 {
  48                 $module = $1."-";
  49                 $module =~ s/\./_/g;
  50                 $module =~ s/-/_/g;
  51                 }
  52         if (/^!global$/)
  53                 { $module = ""; }
  54         if (/^!Cname\s+(.*)$/)
  55                 { $Cname = $1; }
  56         if (/^!Alias\s+(.+?)\s+(.*)$/)
  57                 {
  58                 $Cname = $module.$1;
  59                 $myoid = $2;
  60                 $myoid = &process_oid($myoid);
  61                 $Cname =~ s/-/_/g;
  62                 $ordern{$o} = $Cname;
  63                 $order{$Cname} = $o;
  64                 $obj{$Cname} = $myoid;
  65                 $_ = "";
  66                 $Cname = "";
  67                 }
  68         s/!.*$//;
  69         s/#.*$//;
  70         next if /^\s*$/;
  71         ($myoid,$mysn,$myln) = split ':';
  72         $mysn =~ s/^\s*//;
  73         $mysn =~ s/\s*$//;
  74         $myln =~ s/^\s*//;
  75         $myln =~ s/\s*$//;
  76         $myoid =~ s/^\s*//;
  77         $myoid =~ s/\s*$//;
  78         if ($myoid ne "")
  79                 {
  80                 $myoid = &process_oid($myoid);
  81                 }
  82
  83         if ($Cname eq "" && ($myln =~ /^[_A-Za-z][\w.-]*$/ ))
  84                 {
  85                 $Cname = $myln;
  86                 $Cname =~ s/\./_/g;
  87                 $Cname =~ s/-/_/g;
  88                 if ($Cname ne "" && defined($ln{$module.$Cname}))
  89                         { die "objects.txt:$o:There's already an object with long name ",$ln{$module.$Cname}," on line ",$order{$module.$Cname},"\n"; }
  90                 }
  91         if ($Cname eq "")
  92                 {
  93                 $Cname = $mysn;
  94                 $Cname =~ s/-/_/g;
  95                 if ($Cname ne "" && defined($sn{$module.$Cname}))
  96                         { die "objects.txt:$o:There's already an object with short name ",$sn{$module.$Cname}," on line ",$order{$module.$Cname},"\n"; }
  97                 }
  98         if ($Cname eq "")
  99                 {
 100                 $Cname = $myln;
 101                 $Cname =~ s/-/_/g;
 102                 $Cname =~ s/\./_/g;
 103                 $Cname =~ s/ /_/g;
 104                 if ($Cname ne "" && defined($ln{$module.$Cname}))
 105                         { die "objects.txt:$o:There's already an object with long name ",$ln{$module.$Cname}," on line ",$order{$module.$Cname},"\n"; }
 106                 }
 107         $Cname =~ s/\./_/g;
 108         $Cname =~ s/-/_/g;
 109         $Cname = $module.$Cname;
 110         $ordern{$o} = $Cname;
 111         $order{$Cname} = $o;
 112         $sn{$Cname} = $mysn;
 113         $ln{$Cname} = $myln;
 114         $obj{$Cname} = $myoid;
 115         if (!defined($nid{$Cname}))
 116                 {
 117                 $max_nid++;
 118                 $nid{$Cname} = $max_nid;
 119                 $nidn{$max_nid} = $Cname;
 120 print STDERR "Added OID $Cname\n";
 121                 }
 122         $Cname="";
 123         }
 124 close IN;
 125
 126 open (NUMOUT,">$ARGV[1]") || die "Can't open output file $ARGV[1]";
 127 foreach (sort { $a <=> $b } keys %nidn)
 128         {
 129         print NUMOUT $nidn{$_},"\t\t",$_,"\n";
 130         }
 131 close NUMOUT;
 132
 133 open (OUT,">$ARGV[2]") || die "Can't open output file $ARGV[2]";
 134 print OUT <<"EOF";
 135 /*
 136  * WARNING: do not edit!
 137  * Generated by crypto/objects/objects.pl
 138  *
 139  * Copyright 2000-$YEAR The OpenSSL Project Authors. All Rights Reserved.
 140  * Licensed under the OpenSSL license (the "License").  You may not use
 141  * this file except in compliance with the License.  You can obtain a copy
 142  * in the file LICENSE in the source distribution or at
 143  * https://www.openssl.org/source/license.html
 144  */
 145
 146 #define SN_undef                        "UNDEF"
 147 #define LN_undef                        "undefined"
 148 #define NID_undef                       0
 149 #define OBJ_undef                       0L
 150 EOF
 151
 152 sub expand
 153         {
 154         my $string = shift;
 155
 156         1 while $string =~ s/\t+/' ' x (length($&) * 8 - length($`) % 8)/e;
 157
 158         return $string;
 159         }
 160
 161 foreach (sort { $a <=> $b } keys %ordern)
 162         {
 163         $Cname=$ordern{$_};
 164         print OUT "\n";
 165         print OUT expand("#define SN_$Cname\t\t\"$sn{$Cname}\"\n") if $sn{$Cname} ne "";
 166         print OUT expand("#define LN_$Cname\t\t\"$ln{$Cname}\"\n") if $ln{$Cname} ne "";
 167         print OUT expand("#define NID_$Cname\t\t$nid{$Cname}\n") if $nid{$Cname} ne "";
 168         print OUT expand("#define OBJ_$Cname\t\t$obj{$Cname}\n") if $obj{$Cname} ne "";
 169         }
 170
 171 close OUT;
 172
 173 sub process_oid
 174         {
 175         local($oid)=@_;
 176         local(@a,$oid_pref);
 177
 178         @a = split(/\s+/,$myoid);
 179         $pref_oid = "";
 180         $pref_sep = "";
 181         if (!($a[0] =~ /^[0-9]+$/))
 182                 {
 183                 $a[0] =~ s/-/_/g;
 184                 if (!defined($obj{$a[0]}))
 185                         { die "$ARGV[0]:$o:Undefined identifier ",$a[0],"\n"; }
 186                 $pref_oid = "OBJ_" . $a[0];
 187                 $pref_sep = ",";
 188                 shift @a;
 189                 }
 190         $oids = join('L,',@a) . "L";
 191         if ($oids ne "L")
 192                 {
 193                 $oids = $pref_oid . $pref_sep . $oids;
 194                 }
 195         else
 196                 {
 197                 $oids = $pref_oid;
 198                 }
 199         return($oids);
 200         }