util/mkdef.pl

   1 #!/usr/local/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 close(IN);
  28
  29 foreach (@ARGV, split(/ /, $options))
  30         {
  31         $W32=1 if $_ eq "32";
  32         $W32=0 if $_ eq "16";
  33         if($_ eq "NT") {
  34                 $W32 = 1;
  35                 $NT = 1;
  36         }
  37         $do_ssl=1 if $_ eq "ssleay";
  38         $do_ssl=1 if $_ eq "ssl";
  39         $do_crypto=1 if $_ eq "libeay";
  40         $do_crypto=1 if $_ eq "crypto";
  41         $do_update=1 if $_ eq "update";
  42         $rsaref=1 if $_ eq "rsaref";
  43
  44         if    (/^no-rc2$/)      { $no_rc2=1; }
  45         elsif (/^no-rc4$/)      { $no_rc4=1; }
  46         elsif (/^no-rc5$/)      { $no_rc5=1; }
  47         elsif (/^no-idea$/)     { $no_idea=1; }
  48         elsif (/^no-des$/)      { $no_des=1; }
  49         elsif (/^no-bf$/)       { $no_bf=1; }
  50         elsif (/^no-cast$/)     { $no_cast=1; }
  51         elsif (/^no-md2$/)      { $no_md2=1; }
  52         elsif (/^no-md5$/)      { $no_md5=1; }
  53         elsif (/^no-sha$/)      { $no_sha=1; }
  54         elsif (/^no-ripemd$/)   { $no_ripemd=1; }
  55         elsif (/^no-mdc2$/)     { $no_mdc2=1; }
  56         elsif (/^no-rsa$/)      { $no_rsa=1; }
  57         elsif (/^no-dsa$/)      { $no_dsa=1; }
  58         elsif (/^no-dh$/)       { $no_dh=1; }
  59         elsif (/^no-hmac$/)     { $no_hmac=1; }
  60         }
  61
  62 if (!$do_ssl && !$do_crypto)
  63         {
  64         print STDERR "usage: $0 ( ssl | crypto ) [ 16 | 32 | NT ] [rsaref]\n";
  65         exit(1);
  66         }
  67
  68 %ssl_list=&load_numbers($ssl_num);
  69 $max_ssl = $max_num;
  70 %crypto_list=&load_numbers($crypto_num);
  71 $max_crypto = $max_num;
  72
  73 $ssl="ssl/ssl.h";
  74
  75 $crypto ="crypto/crypto.h";
  76 $crypto.=" crypto/des/des.h" unless $no_des;
  77 $crypto.=" crypto/idea/idea.h" unless $no_idea;
  78 $crypto.=" crypto/rc4/rc4.h" unless $no_rc4;
  79 $crypto.=" crypto/rc5/rc5.h" unless $no_rc5;
  80 $crypto.=" crypto/rc2/rc2.h" unless $no_rc2;
  81 $crypto.=" crypto/bf/blowfish.h" unless $no_bf;
  82 $crypto.=" crypto/cast/cast.h" unless $no_cast;
  83 $crypto.=" crypto/md2/md2.h" unless $no_md2;
  84 $crypto.=" crypto/md5/md5.h" unless $no_md5;
  85 $crypto.=" crypto/mdc2/mdc2.h" unless $no_mdc2;
  86 $crypto.=" crypto/sha/sha.h" unless $no_sha;
  87 $crypto.=" crypto/ripemd/ripemd.h" unless $no_ripemd;
  88
  89 $crypto.=" crypto/bn/bn.h";
  90 $crypto.=" crypto/rsa/rsa.h" unless $no_rsa;
  91 $crypto.=" crypto/dsa/dsa.h" unless $no_dsa;
  92 $crypto.=" crypto/dh/dh.h" unless $no_dh;
  93 $crypto.=" crypto/hmac/hmac.h" unless $no_hmac;
  94
  95 $crypto.=" crypto/stack/stack.h";
  96 $crypto.=" crypto/buffer/buffer.h";
  97 $crypto.=" crypto/bio/bio.h";
  98 $crypto.=" crypto/lhash/lhash.h";
  99 $crypto.=" crypto/conf/conf.h";
 100 $crypto.=" crypto/txt_db/txt_db.h";
 101
 102 $crypto.=" crypto/evp/evp.h";
 103 $crypto.=" crypto/objects/objects.h";
 104 $crypto.=" crypto/pem/pem.h";
 105 #$crypto.=" crypto/meth/meth.h";
 106 $crypto.=" crypto/asn1/asn1.h";
 107 $crypto.=" crypto/asn1/asn1_mac.h";
 108 $crypto.=" crypto/err/err.h";
 109 $crypto.=" crypto/pkcs7/pkcs7.h";
 110 $crypto.=" crypto/pkcs12/pkcs12.h";
 111 $crypto.=" crypto/x509/x509.h";
 112 $crypto.=" crypto/x509/x509_vfy.h";
 113 $crypto.=" crypto/x509v3/x509v3.h";
 114 $crypto.=" crypto/rand/rand.h";
 115 $crypto.=" crypto/comp/comp.h";
 116 $crypto.=" crypto/tmdiff.h";
 117
 118 @ssl_func = &do_defs("SSLEAY", $ssl);
 119 @crypto_func = &do_defs("LIBEAY", $crypto);
 120
 121
 122 if ($do_update) {
 123
 124 if ($do_ssl == 1) {
 125         open(OUT, ">>$ssl_num");
 126         &update_numbers(*OUT,"SSLEAY",*ssl_list,$max_ssl, @ssl_func);
 127         close OUT;
 128 }
 129
 130 if($do_crypto == 1) {
 131         open(OUT, ">>$crypto_num");
 132         &update_numbers(*OUT,"LIBEAY",*crypto_list,$max_crypto, @crypto_func);
 133         close OUT;
 134 }
 135
 136 } else {
 137
 138         &print_def_file(*STDOUT,"SSLEAY",*ssl_list,@ssl_func)
 139                 if $do_ssl == 1;
 140
 141         &print_def_file(*STDOUT,"LIBEAY",*crypto_list,@crypto_func)
 142                 if $do_crypto == 1;
 143
 144 }
 145
 146
 147 sub do_defs
 148 {
 149         my($name,$files)=@_;
 150         my @ret;
 151         my %funcs;
 152
 153         foreach $file (split(/\s+/,$files))
 154                 {
 155                 open(IN,"<$file") || die "unable to open $file:$!\n";
 156
 157                 my $line = "", $def= "";
 158                 my %tag = (
 159                         FreeBSD         => 0,
 160                         NOPROTO         => 0,
 161                         WIN16           => 0,
 162                         PERL5           => 0,
 163                         _WINDLL         => 0,
 164                         NO_FP_API       => 0,
 165                         CONST_STRICT    => 0,
 166                         TRUE            => 1,
 167                 );
 168                 while(<IN>) {
 169                         last if (/BEGIN ERROR CODES/);
 170                         if ($line ne '') {
 171                                 $_ = $line . $_;
 172                                 $line = '';
 173                         }
 174
 175                         if (/\\$/) {
 176                                 $line = $_;
 177                                 next;
 178                         }
 179
 180                         $cpp = 1 if /^#.*ifdef.*cplusplus/;
 181                         if ($cpp) {
 182                                 $cpp = 0 if /^#.*endif/;
 183                                 next;
 184                         }
 185
 186                         s/\/\*.*?\*\///gs;                   # ignore comments
 187                         s/{[^{}]*}//gs;                      # ignore {} blocks
 188                         if (/^\#\s*ifndef (.*)/) {
 189                                 push(@tag,$1);
 190                                 $tag{$1}=-1;
 191                                 next;
 192                         } elsif (/^\#\s*if !defined\(([^\)]+)\)/) {
 193                                 push(@tag,$1);
 194                                 $tag{$1}=-1;
 195                                 next;
 196                         } elsif (/^\#\s*ifdef (.*)/) {
 197                                 push(@tag,$1);
 198                                 $tag{$1}=1;
 199                                 next;
 200                         } elsif (/^\#\s*if defined(.*)/) {
 201                                 push(@tag,$1);
 202                                 $tag{$1}=1;
 203                                 next;
 204                         } elsif (/^\#\s*endif/) {
 205                                 $tag{$tag[$#tag]}=0;
 206                                 pop(@tag);
 207                                 next;
 208                         } elsif (/^\#\s*else/) {
 209                                 my $t=$tag[$#tag];
 210                                 $tag{$t}= -$tag{$t};
 211                                 next;
 212                         } elsif (/^\#\s*if\s+1/) {
 213                                 # Dummy tag
 214                                 push(@tag,"TRUE");
 215                                 $tag{"TRUE"}=1;
 216                                 next;
 217                         } elsif (/^\#\s*if\s+0/) {
 218                                 # Dummy tag
 219                                 push(@tag,"TRUE");
 220                                 $tag{"TRUE"}=-1;
 221                                 next;
 222                         } elsif (/^\#/) {
 223                                 next;
 224                         }
 225                         if ($safe_stack_def &&
 226                                 /^\s*DECLARE_STACK_OF\s*\(\s*(\w*)\s*\)/) {
 227                                 $funcs{"sk_${1}_new"} = 1;
 228                                 $funcs{"sk_${1}_new_null"} = 1;
 229                                 $funcs{"sk_${1}_free"} = 1;
 230                                 $funcs{"sk_${1}_num"} = 1;
 231                                 $funcs{"sk_${1}_value"} = 1;
 232                                 $funcs{"sk_${1}_set"} = 1;
 233                                 $funcs{"sk_${1}_zero"} = 1;
 234                                 $funcs{"sk_${1}_push"} = 1;
 235                                 $funcs{"sk_${1}_unshift"} = 1;
 236                                 $funcs{"sk_${1}_find"} = 1;
 237                                 $funcs{"sk_${1}_delete"} = 1;
 238                                 $funcs{"sk_${1}_delete_ptr"} = 1;
 239                                 $funcs{"sk_${1}_insert"} = 1;
 240                                 $funcs{"sk_${1}_set_cmp_func"} = 1;
 241                                 $funcs{"sk_${1}_dup"} = 1;
 242                                 $funcs{"sk_${1}_pop_free"} = 1;
 243                                 $funcs{"sk_${1}_shift"} = 1;
 244                                 $funcs{"sk_${1}_pop"} = 1;
 245                                 $funcs{"sk_${1}_sort"} = 1;
 246                         } elsif ($safe_stack_def &&
 247                                 /^\s*DECLARE_ASN1_SET_OF\s*\(\s*(\w*)\s*\)/) {
 248                                 $funcs{"d2i_ASN1_SET_OF_${1}"} = 1;
 249                                 $funcs{"i2d_ASN1_SET_OF_${1}"} = 1;
 250                         } elsif (/^DECLARE_PEM_rw\s*\(\s*(\w*)\s*,/ ||
 251                                      /^DECLARE_PEM_rw_cb\s*\(\s*(\w*)\s*,/ ) {
 252                                 if($W32) {
 253                                         $funcs{"PEM_read_${1}"} = 1;
 254                                         $funcs{"PEM_write_${1}"} = 1;
 255                                 }
 256                                 $funcs{"PEM_read_bio_${1}"} = 1;
 257                                 $funcs{"PEM_write_bio_${1}"} = 1;
 258                         } elsif (
 259                                 ($tag{'TRUE'} != -1) &&
 260                                 ($tag{'FreeBSD'} != 1) &&
 261                                 ($tag{'CONST_STRICT'} != 1) &&
 262                                 (($W32 && ($tag{'WIN16'} != 1)) ||
 263                                  (!$W32 && ($tag{'WIN16'} != -1))) &&
 264                                 ($tag{'PERL5'} != 1) &&
 265 #                               ($tag{'_WINDLL'} != -1) &&
 266                                 ((!$W32 && $tag{'_WINDLL'} != -1) ||
 267                                  ($W32 && $tag{'_WINDLL'} != 1)) &&
 268                                 ((($tag{'NO_FP_API'} != 1) && $W32) ||
 269                                  (($tag{'NO_FP_API'} != -1) && !$W32)))
 270                                 {
 271                                         if (/{|\/\*/) { # }
 272                                                 $line = $_;
 273                                         } else {
 274                                                 $def .= $_;
 275                                         }
 276                                 }
 277                         }
 278                 close(IN);
 279
 280                 foreach (split /;/, $def) {
 281                         s/^[\n\s]*//g;
 282                         s/[\n\s]*$//g;
 283                         next if(/typedef\W/);
 284                         next if(/EVP_bf/ and $no_bf);
 285                         next if(/EVP_cast/ and $no_cast);
 286                         next if(/EVP_des/ and $no_des);
 287                         next if(/EVP_dss/ and $no_dsa);
 288                         next if(/EVP_idea/ and $no_idea);
 289                         next if(/EVP_md2/ and $no_md2);
 290                         next if(/EVP_md5/ and $no_md5);
 291                         next if(/EVP_rc2/ and $no_rc2);
 292                         next if(/EVP_rc4/ and $no_rc4);
 293                         next if(/EVP_rc5/ and $no_rc5);
 294                         next if(/EVP_ripemd/ and $no_ripemd);
 295                         next if(/EVP_sha/ and $no_sha);
 296                         if (/\(\*(\w*)\([^\)]+/) {
 297                                 $funcs{$1} = 1;
 298                         } elsif (/\w+\W+(\w+)\W*\(\s*\)$/s) {
 299                                 # K&R C
 300                                 next;
 301                         } elsif (/\w+\W+\w+\W*\(.*\)$/s) {
 302                                 while (not /\(\)$/s) {
 303                                         s/[^\(\)]*\)$/\)/s;
 304                                         s/\([^\(\)]*\)\)$/\)/s;
 305                                 }
 306                                 s/\(void\)//;
 307                                 /(\w+)\W*\(\)/s;
 308                                 $funcs{$1} = 1;
 309                         } elsif (/\(/ and not (/=/)) {
 310                                 print STDERR "File $file: cannot parse: $_;\n";
 311                         }
 312                 }
 313         }
 314
 315         # Prune the returned functions
 316
 317         delete $funcs{"SSL_add_dir_cert_subjects_to_stack"};
 318         delete $funcs{"des_crypt"};
 319         delete $funcs{"RSA_PKCS1_RSAref"} unless $rsaref;
 320
 321         if($W32) {
 322                 delete $funcs{"BIO_s_file_internal"};
 323                 delete $funcs{"BIO_new_file_internal"};
 324                 delete $funcs{"BIO_new_fp_internal"};
 325         } else {
 326                 if(exists $funcs{"ERR_load_CRYPTO_strings"}) {
 327                         delete $funcs{"ERR_load_CRYPTO_strings"};
 328                         $funcs{"ERR_load_CRYPTOlib_strings"} = 1;
 329                 }
 330                 delete $funcs{"BIO_s_file"};
 331                 delete $funcs{"BIO_new_file"};
 332                 delete $funcs{"BIO_new_fp"};
 333         }
 334         if (!$NT) {
 335                 delete $funcs{"BIO_s_log"};
 336         }
 337
 338         push @ret, keys %funcs;
 339
 340         return(@ret);
 341 }
 342
 343 sub print_def_file
 344 {
 345         (*OUT,my $name,*nums,@functions)=@_;
 346         my $n =1;
 347
 348         if ($W32)
 349                 { $name.="32"; }
 350         else
 351                 { $name.="16"; }
 352
 353         print OUT <<"EOF";
 354 ;
 355 ; Definition file for the DLL version of the $name library from OpenSSL
 356 ;
 357
 358 LIBRARY         $name
 359
 360 DESCRIPTION     'OpenSSL $name - http://www.openssl.org/'
 361
 362 EOF
 363
 364         if (!$W32) {
 365                 print <<"EOF";
 366 CODE            PRELOAD MOVEABLE
 367 DATA            PRELOAD MOVEABLE SINGLE
 368
 369 EXETYPE         WINDOWS
 370
 371 HEAPSIZE        4096
 372 STACKSIZE       8192
 373
 374 EOF
 375         }
 376
 377         print "EXPORTS\n";
 378
 379
 380         (@e)=grep(/^SSLeay/,@functions);
 381         (@r)=grep(!/^SSLeay/,@functions);
 382         @functions=((sort @e),(sort @r));
 383
 384         foreach $func (@functions) {
 385                 if (!defined($nums{$func})) {
 386                         printf STDERR "$func does not have a number assigned\n"
 387                                         if(!$do_update);
 388                 } else {
 389                         $n=$nums{$func};
 390                         printf OUT "    %s%-40s@%d\n",($W32)?"":"_",$func,$n;
 391                 }
 392         }
 393         printf OUT "\n";
 394 }
 395
 396 sub load_numbers
 397 {
 398         my($name)=@_;
 399         my(@a,%ret);
 400
 401         $max_num = 0;
 402
 403         open(IN,"<$name") || die "unable to open $name:$!\n";
 404         while (<IN>) {
 405                 chop;
 406                 s/#.*$//;
 407                 next if /^\s*$/;
 408                 @a=split;
 409                 $ret{$a[0]}=$a[1];
 410                 $max_num = $a[1] if $a[1] > $max_num;
 411         }
 412         close(IN);
 413         return(%ret);
 414 }
 415
 416 sub update_numbers
 417 {
 418         (*OUT,$name,*nums,my $start_num, my @functions)=@_;
 419         my $new_funcs = 0;
 420         print STDERR "Updating $name\n";
 421         foreach $func (@functions) {
 422                 if (!exists $nums{$func}) {
 423                         $new_funcs++;
 424                         printf OUT "%s%-40s%d\n","",$func, ++$start_num;
 425                 }
 426         }
 427         if($new_funcs) {
 428                 print STDERR "$new_funcs New Functions added\n";
 429         } else {
 430                 print STDERR "No New Functions Added\n";
 431         }
 432 }