util/mkdef.pl

   1 #!/usr/local/bin/perl
   2 #
   3 # generate a .def file
   4 #
   5 # It does this by parsing the header files and looking for the
   6 # non-prototyped functions.
   7 #
   8
   9 $crypto_num="util/libeay.num";
  10 $ssl_num=   "util/ssleay.num";
  11
  12 $NT=1;
  13 foreach (@ARGV)
  14         {
  15         $NT=1 if $_ eq "32";
  16         $NT=0 if $_ eq "16";
  17         $do_ssl=1 if $_ eq "ssleay";
  18         $do_crypto=1 if $_ eq "libeay";
  19         }
  20
  21 if (!$do_ssl && !$do_crypto)
  22         {
  23         print STDERR "usage: $0 ( ssl | crypto ) [ 16 | 32 ]\n";
  24         exit(1);
  25         }
  26
  27 %ssl_list=&load_numbers($ssl_num);
  28 %crypto_list=&load_numbers($crypto_num);
  29
  30 $ssl="ssl/ssl.h";
  31
  32 $crypto ="crypto/crypto.h";
  33 $crypto.=" crypto/des/des.h";
  34 $crypto.=" crypto/idea/idea.h";
  35 $crypto.=" crypto/rc4/rc4.h";
  36 $crypto.=" crypto/rc5/rc5.h";
  37 $crypto.=" crypto/rc2/rc2.h";
  38 $crypto.=" crypto/bf/blowfish.h";
  39 $crypto.=" crypto/cast/cast.h";
  40 $crypto.=" crypto/md2/md2.h";
  41 $crypto.=" crypto/md5/md5.h";
  42 $crypto.=" crypto/mdc2/mdc2.h";
  43 $crypto.=" crypto/sha/sha.h";
  44 $crypto.=" crypto/ripemd/ripemd.h";
  45
  46 $crypto.=" crypto/bn/bn.h";
  47 $crypto.=" crypto/rsa/rsa.h";
  48 $crypto.=" crypto/dsa/dsa.h";
  49 $crypto.=" crypto/dh/dh.h";
  50
  51 $crypto.=" crypto/stack/stack.h";
  52 $crypto.=" crypto/buffer/buffer.h";
  53 $crypto.=" crypto/bio/bio.h";
  54 $crypto.=" crypto/lhash/lhash.h";
  55 $crypto.=" crypto/conf/conf.h";
  56 $crypto.=" crypto/txt_db/txt_db.h";
  57
  58 $crypto.=" crypto/evp/evp.h";
  59 $crypto.=" crypto/objects/objects.h";
  60 $crypto.=" crypto/pem/pem.h";
  61 #$crypto.=" crypto/meth/meth.h";
  62 $crypto.=" crypto/asn1/asn1.h";
  63 $crypto.=" crypto/asn1/asn1_mac.h";
  64 $crypto.=" crypto/err/err.h";
  65 $crypto.=" crypto/pkcs7/pkcs7.h";
  66 $crypto.=" crypto/x509/x509.h";
  67 $crypto.=" crypto/x509/x509_vfy.h";
  68 $crypto.=" crypto/rand/rand.h";
  69 $crypto.=" crypto/hmac/hmac.h";
  70
  71 $match{'NOPROTO'}=1;
  72 $match2{'PERL5'}=1;
  73
  74 &print_def_file(*STDOUT,"SSLEAY",*ssl_list,&do_defs("SSLEAY",$ssl))
  75         if $do_ssl == 1;
  76
  77 &print_def_file(*STDOUT,"LIBEAY",*crypto_list,&do_defs("LIBEAY",$crypto))
  78         if $do_crypto == 1;
  79
  80 sub do_defs
  81         {
  82         local($name,$files)=@_;
  83         local(@ret);
  84
  85         $off=-1;
  86         foreach $file (split(/\s+/,$files))
  87                 {
  88 #               print STDERR "reading $file\n";
  89                 open(IN,"<$file") || die "unable to open $file:$!\n";
  90                 $depth=0;
  91                 $pr=-1;
  92                 @np="";
  93                 $/=undef;
  94                 $a=<IN>;
  95                 while (($i=index($a,"/*")) >= 0)
  96                         {
  97                         $j=index($a,"*/");
  98                         break unless ($j >= 0);
  99                         $a=substr($a,0,$i).substr($a,$j+2);
 100                 #       print "$i $j\n";
 101                         }
 102                 foreach (split("\n",$a))
 103                         {
 104                         if (/^\#\s*ifndef (.*)/)
 105                                 {
 106                                 push(@tag,$1);
 107                                 $tag{$1}=-1;
 108                                 next;
 109                                 }
 110                         elsif (/^\#\s*if !defined\(([^\)]+)\)/)
 111                                 {
 112                                 push(@tag,$1);
 113                                 $tag{$1}=-1;
 114                                 next;
 115                                 }
 116                         elsif (/^\#\s*ifdef (.*)/)
 117                                 {
 118                                 push(@tag,$1);
 119                                 $tag{$1}=1;
 120                                 next;
 121                                 }
 122                         elsif (/^\#\s*if defined(.*)/)
 123                                 {
 124                                 push(@tag,$1);
 125                                 $tag{$1}=1;
 126                                 next;
 127                                 }
 128                         elsif (/^\#\s*endif/)
 129                                 {
 130                                 $tag{$tag[$#tag]}=0;
 131                                 pop(@tag);
 132                                 next;
 133                                 }
 134                         elsif (/^\#\s*else/)
 135                                 {
 136                                 $t=$tag[$#tag];
 137                                 $tag{$t}= -$tag{$t};
 138                                 next;
 139                                 }
 140 #printf STDERR "$_\n%2d %2d %2d %2d %2d $NT\n",
 141 #$tag{'NOPROTO'},$tag{'FreeBSD'},$tag{'WIN16'},$tag{'PERL5'},$tag{'NO_FP_API'};
 142
 143                         $t=undef;
 144                         if (/^extern .*;$/)
 145                                 { $t=&do_extern($name,$_); }
 146                         elsif ( ($tag{'NOPROTO'} == 1) &&
 147                                 ($tag{'FreeBSD'} != 1) &&
 148                                 (($NT && ($tag{'WIN16'} != 1)) ||
 149                                  (!$NT && ($tag{'WIN16'} != -1))) &&
 150                                 ($tag{'PERL5'} != 1) &&
 151 #                               ($tag{'_WINDLL'} != -1) &&
 152                                 ((!$NT && $tag{'_WINDLL'} != -1) ||
 153                                  ($NT && $tag{'_WINDLL'} != 1)) &&
 154                                 ((($tag{'NO_FP_API'} != 1) && $NT) ||
 155                                  (($tag{'NO_FP_API'} != -1) && !$NT)))
 156                                 { $t=&do_line($name,$_); }
 157                         else
 158                                 { $t=undef; }
 159                         if (($t ne undef) && (!$done{$name,$t}))
 160                                 {
 161                                 $done{$name,$t}++;
 162                                 push(@ret,$t);
 163 #printf STDERR "one:$t\n" if $t =~ /BIO_/;
 164                                 }
 165                         }
 166                 close(IN);
 167                 }
 168         return(@ret);
 169         }
 170
 171 sub do_line
 172         {
 173         local($file,$_)=@_;
 174         local($n);
 175
 176         return(undef) if /^$/;
 177         return(undef) if /^\s/;
 178 #printf STDERR "two:$_\n" if $_ =~ /BIO_/;
 179         if (/(CRYPTO_get_locking_callback)/)
 180                 { return($1); }
 181         elsif (/(CRYPTO_get_id_callback)/)
 182                 { return($1); }
 183         elsif (/(CRYPTO_get_add_lock_callback)/)
 184                 { return($1); }
 185         elsif (/(SSL_CTX_get_verify_callback)/)
 186                 { return($1); }
 187         elsif (/(SSL_get_info_callback)/)
 188                 { return($1); }
 189         elsif ((!$NT) && /(ERR_load_CRYPTO_strings)/)
 190                 { return("ERR_load_CRYPTOlib_strings"); }
 191         elsif (!$NT && /BIO_s_file/)
 192                 { return(undef); }
 193         elsif (!$NT && /BIO_new_file/)
 194                 { return(undef); }
 195         elsif (!$NT && /BIO_new_fp/)
 196                 { return(undef); }
 197         elsif ($NT && /BIO_s_file_internal/)
 198                 { return(undef); }
 199         elsif ($NT && /BIO_new_file_internal/)
 200                 { return(undef); }
 201         elsif ($NT && /BIO_new_fp_internal/)
 202                 { return(undef); }
 203         else
 204                 {
 205                 /\s\**(\S+)\s*\(/;
 206                 return($1);
 207                 }
 208         }
 209
 210 sub do_extern
 211         {
 212         local($file,$_)=@_;
 213         local($n);
 214
 215         /\s\**(\S+);$/;
 216         return($1);
 217         }
 218
 219 sub print_def_file
 220         {
 221         local(*OUT,$name,*nums,@functions)=@_;
 222         local($n)=1;
 223
 224         if ($NT)
 225                 { $name.="32"; }
 226         else
 227                 { $name.="16"; }
 228
 229         print OUT <<"EOF";
 230 ;
 231 ; Definition file for the DDL version of the $name library from SSLeay
 232 ;
 233
 234 LIBRARY         $name
 235
 236 DESCRIPTION     'SSLeay $name - eay\@cryptsoft.com'
 237
 238 EOF
 239
 240         if (!$NT)
 241                 {
 242                 print <<"EOF";
 243 CODE            PRELOAD MOVEABLE
 244 DATA            PRELOAD MOVEABLE SINGLE
 245
 246 EXETYPE         WINDOWS
 247
 248 HEAPSIZE        4096
 249 STACKSIZE       8192
 250
 251 EOF
 252                 }
 253
 254         print "EXPORTS\n";
 255
 256
 257         (@e)=grep(/^SSLeay/,@functions);
 258         (@r)=grep(!/^SSLeay/,@functions);
 259         @functions=((sort @e),(sort @r));
 260
 261         foreach $func (@functions)
 262                 {
 263                 if (!defined($nums{$func}))
 264                         {
 265                         printf STDERR "$func does not have a number assigned\n";
 266                         }
 267                 else
 268                         {
 269                         $n=$nums{$func};
 270                         printf OUT "    %s%-35s@%d\n",($NT)?"":"_",$func,$n;
 271                         }
 272                 }
 273         printf OUT "\n";
 274         }
 275
 276 sub load_numbers
 277         {
 278         local($name)=@_;
 279         local($j,@a,%ret);
 280
 281         open(IN,"<$name") || die "unable to open $name:$!\n";
 282         while (<IN>)
 283                 {
 284                 chop;
 285                 s/#.*$//;
 286                 next if /^\s*$/;
 287                 @a=split;
 288                 $ret{$a[0]}=$a[1];
 289                 }
 290         close(IN);
 291         return(%ret);
 292         }