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 $W32=1;
  13 $NT=0;
  14 foreach (@ARGV)
  15         {
  16         $W32=1 if $_ eq "32";
  17         $W32=0 if $_ eq "16";
  18         if($_ eq "NT") {
  19                 $W32 = 1;
  20                 $NT = 1;
  21         }
  22         $do_ssl=1 if $_ eq "ssleay";
  23         $do_ssl=1 if $_ eq "ssl";
  24         $do_crypto=1 if $_ eq "libeay";
  25         $do_crypto=1 if $_ eq "crypto";
  26         $do_update=1 if $_ eq "update";
  27         }
  28
  29 if (!$do_ssl && !$do_crypto)
  30         {
  31         print STDERR "usage: $0 ( ssl | crypto ) [ 16 | 32 ]\n";
  32         exit(1);
  33         }
  34
  35 %ssl_list=&load_numbers($ssl_num);
  36 $max_ssl = $max_num;
  37 %crypto_list=&load_numbers($crypto_num);
  38 $max_crypto = $max_num;
  39
  40 $ssl="ssl/ssl.h";
  41
  42 $crypto ="crypto/crypto.h";
  43 $crypto.=" crypto/des/des.h";
  44 $crypto.=" crypto/idea/idea.h";
  45 $crypto.=" crypto/rc4/rc4.h";
  46 $crypto.=" crypto/rc5/rc5.h";
  47 $crypto.=" crypto/rc2/rc2.h";
  48 $crypto.=" crypto/bf/blowfish.h";
  49 $crypto.=" crypto/cast/cast.h";
  50 $crypto.=" crypto/md2/md2.h";
  51 $crypto.=" crypto/md5/md5.h";
  52 $crypto.=" crypto/mdc2/mdc2.h";
  53 $crypto.=" crypto/sha/sha.h";
  54 $crypto.=" crypto/ripemd/ripemd.h";
  55
  56 $crypto.=" crypto/bn/bn.h";
  57 $crypto.=" crypto/rsa/rsa.h";
  58 $crypto.=" crypto/dsa/dsa.h";
  59 $crypto.=" crypto/dh/dh.h";
  60
  61 $crypto.=" crypto/stack/stack.h";
  62 $crypto.=" crypto/buffer/buffer.h";
  63 $crypto.=" crypto/bio/bio.h";
  64 $crypto.=" crypto/lhash/lhash.h";
  65 $crypto.=" crypto/conf/conf.h";
  66 $crypto.=" crypto/txt_db/txt_db.h";
  67
  68 $crypto.=" crypto/evp/evp.h";
  69 $crypto.=" crypto/objects/objects.h";
  70 $crypto.=" crypto/pem/pem.h";
  71 #$crypto.=" crypto/meth/meth.h";
  72 $crypto.=" crypto/asn1/asn1.h";
  73 $crypto.=" crypto/asn1/asn1_mac.h";
  74 $crypto.=" crypto/err/err.h";
  75 $crypto.=" crypto/pkcs7/pkcs7.h";
  76 $crypto.=" crypto/pkcs12/pkcs12.h";
  77 $crypto.=" crypto/x509/x509.h";
  78 $crypto.=" crypto/x509/x509_vfy.h";
  79 $crypto.=" crypto/x509v3/x509v3.h";
  80 $crypto.=" crypto/rand/rand.h";
  81 $crypto.=" crypto/hmac/hmac.h";
  82 $crypto.=" crypto/comp/comp.h";
  83 $crypto.=" crypto/tmdiff.h";
  84
  85 $match{'NOPROTO'}=1;
  86 $match2{'PERL5'}=1;
  87
  88 @ssl_func = &do_defs("SSLEAY", $ssl);
  89 @crypto_func = &do_defs("LIBEAY", $crypto);
  90
  91 if ($do_update) {
  92
  93 if ($do_ssl == 1) {
  94         open(OUT, ">>$ssl_num");
  95         &update_numbers(*OUT,"SSLEAY",*ssl_list,$max_ssl, @ssl_func);
  96         close OUT;
  97 }
  98
  99 if($do_crypto == 1) {
 100         open(OUT, ">>$crypto_num");
 101         &update_numbers(*OUT,"LIBEAY",*crypto_list,$max_crypto, @crypto_func);
 102         close OUT;
 103 }
 104
 105 } else {
 106
 107         &print_def_file(*STDOUT,"SSLEAY",*ssl_list,@ssl_func)
 108                 if $do_ssl == 1;
 109
 110         &print_def_file(*STDOUT,"LIBEAY",*crypto_list,@crypto_func)
 111                 if $do_crypto == 1;
 112
 113 }
 114
 115
 116 sub do_defs
 117         {
 118         local($name,$files)=@_;
 119         local(@ret);
 120
 121         $off=-1;
 122         foreach $file (split(/\s+/,$files))
 123                 {
 124 #               print STDERR "reading $file\n";
 125                 open(IN,"<$file") || die "unable to open $file:$!\n";
 126                 $depth=0;
 127                 $pr=-1;
 128                 @np="";
 129                 $/=undef;
 130                 $a=<IN>;
 131                 while (($i=index($a,"/*")) >= 0)
 132                         {
 133                         $j=index($a,"*/");
 134                         last unless ($j >= 0);
 135                         $a=substr($a,0,$i).substr($a,$j+2);
 136                 #       print "$i $j\n";
 137                         }
 138                 foreach (split("\n",$a))
 139                         {
 140                         if (/^\#\s*ifndef (.*)/)
 141                                 {
 142                                 push(@tag,$1);
 143                                 $tag{$1}=-1;
 144                                 next;
 145                                 }
 146                         elsif (/^\#\s*if !defined\(([^\)]+)\)/)
 147                                 {
 148                                 push(@tag,$1);
 149                                 $tag{$1}=-1;
 150                                 next;
 151                                 }
 152                         elsif (/^\#\s*ifdef (.*)/)
 153                                 {
 154                                 push(@tag,$1);
 155                                 $tag{$1}=1;
 156                                 next;
 157                                 }
 158                         elsif (/^\#\s*if defined(.*)/)
 159                                 {
 160                                 push(@tag,$1);
 161                                 $tag{$1}=1;
 162                                 next;
 163                                 }
 164                         elsif (/^\#\s*endif/)
 165                                 {
 166                                 $tag{$tag[$#tag]}=0;
 167                                 pop(@tag);
 168                                 next;
 169                                 }
 170                         elsif (/^\#\s*else/)
 171                                 {
 172                                 $t=$tag[$#tag];
 173                                 $tag{$t}= -$tag{$t};
 174                                 next;
 175                                 }
 176 #printf STDERR "$_\n%2d %2d %2d %2d %2d $W32\n",
 177 #$tag{'NOPROTO'},$tag{'FreeBSD'},$tag{'WIN16'},$tag{'PERL5'},$tag{'NO_FP_API'};
 178
 179                         $t=undef;
 180                         if (/^extern .*;$/)
 181                                 { $t=&do_extern($name,$_); }
 182                         elsif ( ($tag{'NOPROTO'} == 1) &&
 183                                 ($tag{'FreeBSD'} != 1) &&
 184                                 (($W32 && ($tag{'WIN16'} != 1)) ||
 185                                  (!$W32 && ($tag{'WIN16'} != -1))) &&
 186                                 ($tag{'PERL5'} != 1) &&
 187 #                               ($tag{'_WINDLL'} != -1) &&
 188                                 ((!$W32 && $tag{'_WINDLL'} != -1) ||
 189                                  ($W32 && $tag{'_WINDLL'} != 1)) &&
 190                                 ((($tag{'NO_FP_API'} != 1) && $W32) ||
 191                                  (($tag{'NO_FP_API'} != -1) && !$W32)))
 192                                 { $t=&do_line($name,$_); }
 193                         else
 194                                 { $t=undef; }
 195                         if (($t ne undef) && (!$done{$name,$t}))
 196                                 {
 197                                 $done{$name,$t}++;
 198                                 push(@ret,$t);
 199 #printf STDERR "one:$t\n" if $t =~ /BIO_/;
 200                                 }
 201                         }
 202                 close(IN);
 203                 }
 204         return(@ret);
 205         }
 206
 207 sub do_line
 208         {
 209         local($file,$_)=@_;
 210         local($n);
 211
 212         return(undef) if /^$/;
 213         return(undef) if /^\s/;
 214 #printf STDERR "two:$_\n" if $_ =~ /BIO_/;
 215         if (/(CRYPTO_get_locking_callback)/)
 216                 { return($1); }
 217         elsif (/(CRYPTO_get_id_callback)/)
 218                 { return($1); }
 219         elsif (/(CRYPTO_get_add_lock_callback)/)
 220                 { return($1); }
 221         elsif (/(SSL_CTX_get_verify_callback)/)
 222                 { return($1); }
 223         elsif (/(SSL_get_info_callback)/)
 224                 { return($1); }
 225         elsif ((!$W32) && /(ERR_load_CRYPTO_strings)/)
 226                 { return("ERR_load_CRYPTOlib_strings"); }
 227         elsif (!$W32 && /BIO_s_file/)
 228                 { return(undef); }
 229         elsif (!$W32 && /BIO_new_file/)
 230                 { return(undef); }
 231         elsif (!$W32 && /BIO_new_fp/)
 232                 { return(undef); }
 233         elsif ($W32 && /BIO_s_file_internal/)
 234                 { return(undef); }
 235         elsif ($W32 && /BIO_new_file_internal/)
 236                 { return(undef); }
 237         elsif ($W32 && /BIO_new_fp_internal/)
 238                 { return(undef); }
 239         elsif (/SSL_add_dir_cert_subjects_to_stack/)
 240                 { return(undef); }
 241         elsif (!$NT && /BIO_s_log/)
 242                 { return(undef); }
 243         else
 244                 {
 245                 /\s\**(\S+)\s*\(/;
 246                 $_ = $1;
 247                 tr/()*//d;
 248 #print STDERR "$1 : $_\n";
 249                 return($_);
 250                 }
 251         }
 252
 253 sub do_extern
 254         {
 255         local($file,$_)=@_;
 256         local($n);
 257
 258         /\s\**(\S+);$/;
 259         return($1);
 260         }
 261
 262 sub print_def_file
 263         {
 264         local(*OUT,$name,*nums,@functions)=@_;
 265         local($n)=1;
 266
 267         if ($W32)
 268                 { $name.="32"; }
 269         else
 270                 { $name.="16"; }
 271
 272         print OUT <<"EOF";
 273 ;
 274 ; Definition file for the DLL version of the $name library from OpenSSL
 275 ;
 276
 277 LIBRARY         $name
 278
 279 DESCRIPTION     'OpenSSL $name - http://www.openssl.org/'
 280
 281 EOF
 282
 283         if (!$W32)
 284                 {
 285                 print <<"EOF";
 286 CODE            PRELOAD MOVEABLE
 287 DATA            PRELOAD MOVEABLE SINGLE
 288
 289 EXETYPE         WINDOWS
 290
 291 HEAPSIZE        4096
 292 STACKSIZE       8192
 293
 294 EOF
 295                 }
 296
 297         print "EXPORTS\n";
 298
 299
 300         (@e)=grep(/^SSLeay/,@functions);
 301         (@r)=grep(!/^SSLeay/,@functions);
 302         @functions=((sort @e),(sort @r));
 303
 304         foreach $func (@functions)
 305                 {
 306                 if (!defined($nums{$func}))
 307                         {
 308                         printf STDERR "$func does not have a number assigned\n"
 309                                         if(!$do_update);
 310                         }
 311                 else
 312                         {
 313                         $n=$nums{$func};
 314                         printf OUT "    %s%-40s@%d\n",($W32)?"":"_",$func,$n;
 315                         }
 316                 }
 317         printf OUT "\n";
 318         }
 319
 320 sub load_numbers
 321         {
 322         local($name)=@_;
 323         local($j,@a,%ret);
 324
 325         $max_num = 0;
 326
 327         open(IN,"<$name") || die "unable to open $name:$!\n";
 328         while (<IN>)
 329                 {
 330                 chop;
 331                 s/#.*$//;
 332                 next if /^\s*$/;
 333                 @a=split;
 334                 $ret{$a[0]}=$a[1];
 335                 $max_num = $a[1] if $a[1] > $max_num;
 336                 }
 337         close(IN);
 338         return(%ret);
 339         }
 340
 341 sub update_numbers
 342         {
 343         local(*OUT,$name,*nums,$start_num, @functions)=@_;
 344         my $new_funcs = 0;
 345         print STDERR "Updating $name\n";
 346         foreach $func (@functions)
 347                 {
 348                 if (!defined($nums{$func}))
 349                         {
 350                         $new_funcs++;
 351                         printf OUT "%s%-40s%d\n","",$func, ++$start_num;
 352                         }
 353                 }
 354         if($new_funcs) {
 355                 print STDERR "$new_funcs New Functions added\n";
 356         } else {
 357                 print STDERR "No New Functions Added\n";
 358         }
 359         }