util/mkdef.pl

   1 #!/usr/my/bin/perl -w
   2 #
   3 # generate a .def file
   4 #
   5 # It does this by parsing the header files and looking for the
   6 # prototyped functions: it then prunes the output.
   7 #
   8
   9 $crypto_num="util/libeay.num";
  10 $ssl_num=   "util/ssleay.num";
  11
  12 my $do_update = 0;
  13 my $do_crypto = 0;
  14 my $do_ssl = 0;
  15 $rsaref = 0;
  16
  17 $W32=1;
  18 $NT=0;
  19 # Set this to make typesafe STACK definitions appear in DEF
  20 $safe_stack_def = 1;
  21
  22 $options="";
  23 open(IN,"<Makefile.ssl") || die "unable to open Makefile.ssl!\n";
  24 while(<IN>) {
  25     $options=$1 if (/^OPTIONS=(.*)$/);
  26 }
  27
  28 foreach (@ARGV, split(/ /, $options))
  29         {
  30         $W32=1 if $_ eq "32";
  31         $W32=0 if $_ eq "16";
  32         if($_ eq "NT") {
  33                 $W32 = 1;
  34                 $NT = 1;
  35         }
  36         $do_ssl=1 if $_ eq "ssleay";
  37         $do_ssl=1 if $_ eq "ssl";
  38         $do_crypto=1 if $_ eq "libeay";
  39         $do_crypto=1 if $_ eq "crypto";
  40         $do_update=1 if $_ eq "update";
  41         $rsaref=1 if $_ eq "rsaref";
  42
  43         if    (/^no-rc2$/)      { $no_rc2=1; }
  44         elsif (/^no-rc4$/)      { $no_rc4=1; }
  45         elsif (/^no-rc5$/)      { $no_rc5=1; }
  46         elsif (/^no-idea$/)     { $no_idea=1; }
  47         elsif (/^no-des$/)      { $no_des=1; }
  48         elsif (/^no-bf$/)       { $no_bf=1; }
  49         elsif (/^no-cast$/)     { $no_cast=1; }
  50         elsif (/^no-md2$/)      { $no_md2=1; }
  51         elsif (/^no-md5$/)      { $no_md5=1; }
  52         elsif (/^no-sha$/)      { $no_sha=1; }
  53         elsif (/^no-ripemd$/)   { $no_ripemd=1; }
  54         elsif (/^no-mdc2$/)     { $no_mdc2=1; }
  55         elsif (/^no-rsa$/)      { $no_rsa=1; }
  56         elsif (/^no-dsa$/)      { $no_dsa=1; }
  57         elsif (/^no-dh$/)       { $no_dh=1; }
  58         elsif (/^no-hmac$/)     { $no_hmac=1; }
  59         }
  60
  61 if (!$do_ssl && !$do_crypto)
  62         {
  63         print STDERR "usage: $0 ( ssl | crypto ) [ 16 | 32 | NT ] [rsaref]\n";
  64         exit(1);
  65         }
  66
  67 %ssl_list=&load_numbers($ssl_num);
  68 $max_ssl = $max_num;
  69 %crypto_list=&load_numbers($crypto_num);
  70 $max_crypto = $max_num;
  71
  72 $ssl="ssl/ssl.h";
  73
  74 $crypto ="crypto/crypto.h";
  75 $crypto.=" crypto/des/des.h" unless $no_des;
  76 $crypto.=" crypto/idea/idea.h" unless $no_idea;
  77 $crypto.=" crypto/rc4/rc4.h" unless $no_rc4;
  78 $crypto.=" crypto/rc5/rc5.h" unless $no_rc5;
  79 $crypto.=" crypto/rc2/rc2.h" unless $no_rc2;
  80 $crypto.=" crypto/bf/blowfish.h" unless $no_bf;
  81 $crypto.=" crypto/cast/cast.h" unless $no_cast;
  82 $crypto.=" crypto/md2/md2.h" unless $no_md2;
  83 $crypto.=" crypto/md5/md5.h" unless $no_md5;
  84 $crypto.=" crypto/mdc2/mdc2.h" unless $no_mdc2;
  85 $crypto.=" crypto/sha/sha.h" unless $no_sha;
  86 $crypto.=" crypto/ripemd/ripemd.h" unless $no_ripemd;
  87
  88 $crypto.=" crypto/bn/bn.h";
  89 $crypto.=" crypto/rsa/rsa.h" unless $no_rsa;
  90 $crypto.=" crypto/dsa/dsa.h" unless $no_dsa;
  91 $crypto.=" crypto/dh/dh.h" unless $no_dh;
  92 $crypto.=" crypto/hmac/hmac.h" unless $no_hmac;
  93
  94 $crypto.=" crypto/stack/stack.h";
  95 $crypto.=" crypto/buffer/buffer.h";
  96 $crypto.=" crypto/bio/bio.h";
  97 $crypto.=" crypto/lhash/lhash.h";
  98 $crypto.=" crypto/conf/conf.h";
  99 $crypto.=" crypto/txt_db/txt_db.h";
 100
 101 $crypto.=" crypto/evp/evp.h";
 102 $crypto.=" crypto/objects/objects.h";
 103 $crypto.=" crypto/pem/pem.h";
 104 #$crypto.=" crypto/meth/meth.h";
 105 $crypto.=" crypto/asn1/asn1.h";
 106 $crypto.=" crypto/asn1/asn1_mac.h";
 107 $crypto.=" crypto/err/err.h";
 108 $crypto.=" crypto/pkcs7/pkcs7.h";
 109 $crypto.=" crypto/pkcs12/pkcs12.h";
 110 $crypto.=" crypto/x509/x509.h";
 111 $crypto.=" crypto/x509/x509_vfy.h";
 112 $crypto.=" crypto/x509v3/x509v3.h";
 113 $crypto.=" crypto/rand/rand.h";
 114 $crypto.=" crypto/comp/comp.h";
 115 $crypto.=" crypto/tmdiff.h";
 116
 117 @ssl_func = &do_defs("SSLEAY", $ssl);
 118 @crypto_func = &do_defs("LIBEAY", $crypto);
 119
 120
 121 if ($do_update) {
 122
 123 if ($do_ssl == 1) {
 124         open(OUT, ">>$ssl_num");
 125         &update_numbers(*OUT,"SSLEAY",*ssl_list,$max_ssl, @ssl_func);
 126         close OUT;
 127 }
 128
 129 if($do_crypto == 1) {
 130         open(OUT, ">>$crypto_num");
 131         &update_numbers(*OUT,"LIBEAY",*crypto_list,$max_crypto, @crypto_func);
 132         close OUT;
 133 }
 134
 135 } else {
 136
 137         &print_def_file(*STDOUT,"SSLEAY",*ssl_list,@ssl_func)
 138                 if $do_ssl == 1;
 139
 140         &print_def_file(*STDOUT,"LIBEAY",*crypto_list,@crypto_func)
 141                 if $do_crypto == 1;
 142
 143 }
 144
 145
 146 sub do_defs
 147 {
 148         my($name,$files)=@_;
 149         my @ret;
 150         my %funcs;
 151
 152         foreach $file (split(/\s+/,$files))
 153                 {
 154                 open(IN,"<$file") || die "unable to open $file:$!\n";
 155
 156                 my $line = "", $def= "";
 157                 my %tag = (
 158                         FreeBSD         => 0,
 159                         NOPROTO         => 0,
 160                         WIN16           => 0,
 161                         PERL5           => 0,
 162                         _WINDLL         => 0,
 163                         NO_FP_API       => 0,
 164                         CONST_STRICT    => 0,
 165                         TRUE            => 1,
 166                 );
 167                 while(<IN>) {
 168                         last if (/BEGIN ERROR CODES/);
 169                         if ($line ne '') {
 170                                 $_ = $line . $_;
 171                                 $line = '';
 172                         }
 173
 174                         if (/\\$/) {
 175                                 $line = $_;
 176                                 next;
 177                         }
 178
 179                         $cpp = 1 if /^#.*ifdef.*cplusplus/;
 180                         if ($cpp) {
 181                                 $cpp = 0 if /^#.*endif/;
 182                                 next;
 183                         }
 184
 185                         s/\/\*.*?\*\///gs;                   # ignore comments
 186                         s/{[^{}]*}//gs;                      # ignore {} blocks
 187                         if (/^\#\s*ifndef (.*)/) {
 188                                 push(@tag,$1);
 189                                 $tag{$1}=-1;
 190                                 next;
 191                         } elsif (/^\#\s*if !defined\(([^\)]+)\)/) {
 192                                 push(@tag,$1);
 193                                 $tag{$1}=-1;
 194                                 next;
 195                         } elsif (/^\#\s*ifdef (.*)/) {
 196                                 push(@tag,$1);
 197                                 $tag{$1}=1;
 198                                 next;
 199                         } elsif (/^\#\s*if defined(.*)/) {
 200                                 push(@tag,$1);
 201                                 $tag{$1}=1;
 202                                 next;
 203                         } elsif (/^\#\s*endif/) {
 204                                 $tag{$tag[$#tag]}=0;
 205                                 pop(@tag);
 206                                 next;
 207                         } elsif (/^\#\s*else/) {
 208                                 my $t=$tag[$#tag];
 209                                 $tag{$t}= -$tag{$t};
 210                                 next;
 211                         } elsif (/^\#\s*if\s+1/) {
 212                                 # Dummy tag
 213                                 push(@tag,"TRUE");
 214                                 $tag{"TRUE"}=1;
 215                                 next;
 216                         } elsif (/^\#/) {
 217                                 next;
 218                         }
 219                         if ($safe_stack_def &&
 220                                 /^\s*DECLARE_STACK_OF\s*\(\s*(\w*)\s*\)/) {
 221                                 $funcs{"sk_${1}_new"} = 1;
 222                                 $funcs{"sk_${1}_new_null"} = 1;
 223                                 $funcs{"sk_${1}_free"} = 1;
 224                                 $funcs{"sk_${1}_num"} = 1;
 225                                 $funcs{"sk_${1}_value"} = 1;
 226                                 $funcs{"sk_${1}_set"} = 1;
 227                                 $funcs{"sk_${1}_zero"} = 1;
 228                                 $funcs{"sk_${1}_push"} = 1;
 229                                 $funcs{"sk_${1}_unshift"} = 1;
 230                                 $funcs{"sk_${1}_find"} = 1;
 231                                 $funcs{"sk_${1}_delete"} = 1;
 232                                 $funcs{"sk_${1}_delete_ptr"} = 1;
 233                                 $funcs{"sk_${1}_insert"} = 1;
 234                                 $funcs{"sk_${1}_set_cmp_func"} = 1;
 235                                 $funcs{"sk_${1}_dup"} = 1;
 236                                 $funcs{"sk_${1}_pop_free"} = 1;
 237                                 $funcs{"sk_${1}_shift"} = 1;
 238                                 $funcs{"sk_${1}_pop"} = 1;
 239                         } elsif ($safe_stack_def &&
 240                                 /^\s*DECLARE_ASN1_SET_OF\s*\(\s*(\w*)\s*\)/) {
 241                                 $funcs{"d2i_ASN1_SET_OF_${1}"} = 1;
 242                                 $funcs{"i2d_ASN1_SET_OF_${1}"} = 1;
 243                         } elsif (
 244                                 ($tag{'FreeBSD'} != 1) &&
 245                                 ($tag{'CONST_STRICT'} != 1) &&
 246                                 (($W32 && ($tag{'WIN16'} != 1)) ||
 247                                  (!$W32 && ($tag{'WIN16'} != -1))) &&
 248                                 ($tag{'PERL5'} != 1) &&
 249 #                               ($tag{'_WINDLL'} != -1) &&
 250                                 ((!$W32 && $tag{'_WINDLL'} != -1) ||
 251                                  ($W32 && $tag{'_WINDLL'} != 1)) &&
 252                                 ((($tag{'NO_FP_API'} != 1) && $W32) ||
 253                                  (($tag{'NO_FP_API'} != -1) && !$W32)))
 254                                 {
 255                                         if (/{|\/\*/) { # }
 256                                                 $line = $_;
 257                                         } else {
 258                                                 $def .= $_;
 259                                         }
 260                                 }
 261                         }
 262                 close(IN);
 263
 264                 foreach (split /;/, $def) {
 265                         s/^[\n\s]*//g;
 266                         s/[\n\s]*$//g;
 267                         next if(/typedef\W/);
 268                         next if(/EVP_bf/ and $no_bf);
 269                         next if(/EVP_cast/ and $no_cast);
 270                         next if(/EVP_des/ and $no_des);
 271                         next if(/EVP_dss/ and $no_dsa);
 272                         next if(/EVP_idea/ and $no_idea);
 273                         next if(/EVP_md2/ and $no_md2);
 274                         next if(/EVP_md5/ and $no_md5);
 275                         next if(/EVP_rc2/ and $no_rc2);
 276                         next if(/EVP_rc4/ and $no_rc4);
 277                         next if(/EVP_rc5/ and $no_rc5);
 278                         next if(/EVP_ripemd/ and $no_ripemd);
 279                         next if(/EVP_sha/ and $no_sha);
 280                         if (/\(\*(\w*)\([^\)]+/) {
 281                                 $funcs{$1} = 1;
 282                         } elsif (/\w+\W+(\w+)\W*\(\s*\)$/s) {
 283                                 # K&R C
 284                                 next;
 285                         } elsif (/\w+\W+\w+\W*\(.*\)$/s) {
 286                                 while (not /\(\)$/s) {
 287                                         s/[^\(\)]*\)$/\)/s;
 288                                         s/\([^\(\)]*\)\)$/\)/s;
 289                                 }
 290                                 s/\(void\)//;
 291                                 /(\w+)\W*\(\)/s;
 292                                 $funcs{$1} = 1;
 293                         } elsif (/\(/ and not (/=/)) {
 294                                 print STDERR "File $file: cannot parse: $_;\n";
 295                         }
 296                 }
 297         }
 298
 299         # Prune the returned functions
 300
 301         delete $funcs{"SSL_add_dir_cert_subjects_to_stack"};
 302         delete $funcs{"des_crypt"};
 303         delete $funcs{"RSA_PKCS1_RSAref"} unless $rsaref;
 304
 305         if($W32) {
 306                 delete $funcs{"BIO_s_file_internal"};
 307                 delete $funcs{"BIO_new_file_internal"};
 308                 delete $funcs{"BIO_new_fp_internal"};
 309         } else {
 310                 if(exists $funcs{"ERR_load_CRYPTO_strings"}) {
 311                         delete $funcs{"ERR_load_CRYPTO_strings"};
 312                         $funcs{"ERR_load_CRYPTOlib_strings"} = 1;
 313                 }
 314                 delete $funcs{"BIO_s_file"};
 315                 delete $funcs{"BIO_new_file"};
 316                 delete $funcs{"BIO_new_fp"};
 317         }
 318         if (!$NT) {
 319                 delete $funcs{"BIO_s_log"};
 320         }
 321
 322         push @ret, keys %funcs;
 323
 324         return(@ret);
 325 }
 326
 327 sub print_def_file
 328 {
 329         (*OUT,my $name,*nums,@functions)=@_;
 330         my $n =1;
 331
 332         if ($W32)
 333                 { $name.="32"; }
 334         else
 335                 { $name.="16"; }
 336
 337         print OUT <<"EOF";
 338 ;
 339 ; Definition file for the DLL version of the $name library from OpenSSL
 340 ;
 341
 342 LIBRARY         $name
 343
 344 DESCRIPTION     'OpenSSL $name - http://www.openssl.org/'
 345
 346 EOF
 347
 348         if (!$W32) {
 349                 print <<"EOF";
 350 CODE            PRELOAD MOVEABLE
 351 DATA            PRELOAD MOVEABLE SINGLE
 352
 353 EXETYPE         WINDOWS
 354
 355 HEAPSIZE        4096
 356 STACKSIZE       8192
 357
 358 EOF
 359         }
 360
 361         print "EXPORTS\n";
 362
 363
 364         (@e)=grep(/^SSLeay/,@functions);
 365         (@r)=grep(!/^SSLeay/,@functions);
 366         @functions=((sort @e),(sort @r));
 367
 368         foreach $func (@functions) {
 369                 if (!defined($nums{$func})) {
 370                         printf STDERR "$func does not have a number assigned\n"
 371                                         if(!$do_update);
 372                 } else {
 373                         $n=$nums{$func};
 374                         printf OUT "    %s%-40s@%d\n",($W32)?"":"_",$func,$n;
 375                 }
 376         }
 377         printf OUT "\n";
 378 }
 379
 380 sub load_numbers
 381 {
 382         my($name)=@_;
 383         my(@a,%ret);
 384
 385         $max_num = 0;
 386
 387         open(IN,"<$name") || die "unable to open $name:$!\n";
 388         while (<IN>) {
 389                 chop;
 390                 s/#.*$//;
 391                 next if /^\s*$/;
 392                 @a=split;
 393                 $ret{$a[0]}=$a[1];
 394                 $max_num = $a[1] if $a[1] > $max_num;
 395         }
 396         close(IN);
 397         return(%ret);
 398 }
 399
 400 sub update_numbers
 401 {
 402         (*OUT,$name,*nums,my $start_num, my @functions)=@_;
 403         my $new_funcs = 0;
 404         print STDERR "Updating $name\n";
 405         foreach $func (@functions) {
 406                 if (!exists $nums{$func}) {
 407                         $new_funcs++;
 408                         printf OUT "%s%-40s%d\n","",$func, ++$start_num;
 409                 }
 410         }
 411         if($new_funcs) {
 412                 print STDERR "$new_funcs New Functions added\n";
 413         } else {
 414                 print STDERR "No New Functions Added\n";
 415         }
 416 }