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 my $crypto_num="util/libeay.num";
  10 my $ssl_num=   "util/ssleay.num";
  11
  12 my $do_update = 0;
  13 my $do_crypto = 0;
  14 my $do_ssl = 0;
  15 my $do_ctest = 0;
  16 my $rsaref = 0;
  17
  18 my $W32=1;
  19 my $NT=0;
  20 # Set this to make typesafe STACK definitions appear in DEF
  21 my $safe_stack_def = 1;
  22
  23 my $options="";
  24 open(IN,"<Makefile.ssl") || die "unable to open Makefile.ssl!\n";
  25 while(<IN>) {
  26     $options=$1 if (/^OPTIONS=(.*)$/);
  27 }
  28 close(IN);
  29
  30 # The following ciphers may be excluded (by Configure). This means functions
  31 # defined with ifndef(NO_XXX) are not included in the .def file, and everything
  32 # in directory xxx is ignored.
  33 my $no_rc2; my $no_rc4; my $no_rc5; my $no_idea; my $no_des; my $no_bf;
  34 my $no_cast; my $no_md2; my $no_md5; my $no_sha; my $no_ripemd; my $no_mdc2;
  35 my $no_rsa; my $no_dsa; my $no_dh; my $no_hmac=0;
  36
  37 foreach (@ARGV, split(/ /, $options))
  38         {
  39         $W32=1 if $_ eq "32";
  40         $W32=0 if $_ eq "16";
  41         if($_ eq "NT") {
  42                 $W32 = 1;
  43                 $NT = 1;
  44         }
  45         $do_ssl=1 if $_ eq "ssleay";
  46         $do_ssl=1 if $_ eq "ssl";
  47         $do_crypto=1 if $_ eq "libeay";
  48         $do_crypto=1 if $_ eq "crypto";
  49         $do_update=1 if $_ eq "update";
  50         $do_ctest=1 if $_ eq "ctest";
  51         $rsaref=1 if $_ eq "rsaref";
  52
  53         if    (/^no-rc2$/)      { $no_rc2=1; }
  54         elsif (/^no-rc4$/)      { $no_rc4=1; }
  55         elsif (/^no-rc5$/)      { $no_rc5=1; }
  56         elsif (/^no-idea$/)     { $no_idea=1; }
  57         elsif (/^no-des$/)      { $no_des=1; }
  58         elsif (/^no-bf$/)       { $no_bf=1; }
  59         elsif (/^no-cast$/)     { $no_cast=1; }
  60         elsif (/^no-md2$/)      { $no_md2=1; }
  61         elsif (/^no-md5$/)      { $no_md5=1; }
  62         elsif (/^no-sha$/)      { $no_sha=1; }
  63         elsif (/^no-ripemd$/)   { $no_ripemd=1; }
  64         elsif (/^no-mdc2$/)     { $no_mdc2=1; }
  65         elsif (/^no-rsa$/)      { $no_rsa=1; }
  66         elsif (/^no-dsa$/)      { $no_dsa=1; }
  67         elsif (/^no-dh$/)       { $no_dh=1; }
  68         elsif (/^no-hmac$/)     { $no_hmac=1; }
  69         }
  70
  71
  72 if (!$do_ssl && !$do_crypto)
  73         {
  74         print STDERR "usage: $0 ( ssl | crypto ) [ 16 | 32 | NT ] [rsaref]\n";
  75         exit(1);
  76         }
  77
  78 %ssl_list=&load_numbers($ssl_num);
  79 $max_ssl = $max_num;
  80 %crypto_list=&load_numbers($crypto_num);
  81 $max_crypto = $max_num;
  82
  83 my $ssl="ssl/ssl.h";
  84
  85 my $crypto ="crypto/crypto.h";
  86 $crypto.=" crypto/des/des.h" unless $no_des;
  87 $crypto.=" crypto/idea/idea.h" unless $no_idea;
  88 $crypto.=" crypto/rc4/rc4.h" unless $no_rc4;
  89 $crypto.=" crypto/rc5/rc5.h" unless $no_rc5;
  90 $crypto.=" crypto/rc2/rc2.h" unless $no_rc2;
  91 $crypto.=" crypto/bf/blowfish.h" unless $no_bf;
  92 $crypto.=" crypto/cast/cast.h" unless $no_cast;
  93 $crypto.=" crypto/md2/md2.h" unless $no_md2;
  94 $crypto.=" crypto/md5/md5.h" unless $no_md5;
  95 $crypto.=" crypto/mdc2/mdc2.h" unless $no_mdc2;
  96 $crypto.=" crypto/sha/sha.h" unless $no_sha;
  97 $crypto.=" crypto/ripemd/ripemd.h" unless $no_ripemd;
  98
  99 $crypto.=" crypto/bn/bn.h";
 100 $crypto.=" crypto/rsa/rsa.h" unless $no_rsa;
 101 $crypto.=" crypto/dsa/dsa.h" unless $no_dsa;
 102 $crypto.=" crypto/dh/dh.h" unless $no_dh;
 103 $crypto.=" crypto/hmac/hmac.h" unless $no_hmac;
 104
 105 $crypto.=" crypto/stack/stack.h";
 106 $crypto.=" crypto/buffer/buffer.h";
 107 $crypto.=" crypto/bio/bio.h";
 108 $crypto.=" crypto/lhash/lhash.h";
 109 $crypto.=" crypto/conf/conf.h";
 110 $crypto.=" crypto/txt_db/txt_db.h";
 111
 112 $crypto.=" crypto/evp/evp.h";
 113 $crypto.=" crypto/objects/objects.h";
 114 $crypto.=" crypto/pem/pem.h";
 115 #$crypto.=" crypto/meth/meth.h";
 116 $crypto.=" crypto/asn1/asn1.h";
 117 $crypto.=" crypto/asn1/asn1_mac.h";
 118 $crypto.=" crypto/err/err.h";
 119 $crypto.=" crypto/pkcs7/pkcs7.h";
 120 $crypto.=" crypto/pkcs12/pkcs12.h";
 121 $crypto.=" crypto/x509/x509.h";
 122 $crypto.=" crypto/x509/x509_vfy.h";
 123 $crypto.=" crypto/x509v3/x509v3.h";
 124 $crypto.=" crypto/rand/rand.h";
 125 $crypto.=" crypto/comp/comp.h";
 126 $crypto.=" crypto/tmdiff.h";
 127
 128 my @ssl_func = &do_defs("SSLEAY", $ssl);
 129 my @crypto_func = &do_defs("LIBEAY", $crypto);
 130
 131
 132 if ($do_update) {
 133
 134 if ($do_ssl == 1) {
 135         open(OUT, ">>$ssl_num");
 136         &update_numbers(*OUT,"SSLEAY",*ssl_list,$max_ssl, @ssl_func);
 137         close OUT;
 138 }
 139
 140 if($do_crypto == 1) {
 141         open(OUT, ">>$crypto_num");
 142         &update_numbers(*OUT,"LIBEAY",*crypto_list,$max_crypto, @crypto_func);
 143         close OUT;
 144 }
 145
 146 } elsif ($do_ctest) {
 147
 148         print <<"EOF";
 149
 150 /* Test file to check all DEF file symbols are present by trying
 151  * to link to all of them. This is *not* intended to be run!
 152  */
 153
 154 int main()
 155 {
 156 EOF
 157         &print_test_file(*STDOUT,"SSLEAY",*ssl_list,@ssl_func)
 158                 if $do_ssl == 1;
 159
 160         &print_test_file(*STDOUT,"LIBEAY",*crypto_list,@crypto_func)
 161                 if $do_crypto == 1;
 162
 163         print "}\n";
 164
 165 } else {
 166
 167         &print_def_file(*STDOUT,"SSLEAY",*ssl_list,@ssl_func)
 168                 if $do_ssl == 1;
 169
 170         &print_def_file(*STDOUT,"LIBEAY",*crypto_list,@crypto_func)
 171                 if $do_crypto == 1;
 172
 173 }
 174
 175
 176 sub do_defs
 177 {
 178         my($name,$files)=@_;
 179         my $file;
 180         my @ret;
 181         my %funcs;
 182         my $cpp;
 183
 184         foreach $file (split(/\s+/,$files))
 185                 {
 186                 open(IN,"<$file") || die "unable to open $file:$!\n";
 187                 my $line = "", my $def= "";
 188                 my %tag = (
 189                         FreeBSD         => 0,
 190                         NOPROTO         => 0,
 191                         WIN16           => 0,
 192                         PERL5           => 0,
 193                         _WINDLL         => 0,
 194                         NO_FP_API       => 0,
 195                         CONST_STRICT    => 0,
 196                         TRUE            => 1,
 197                         NO_RC2          => 0,
 198                         NO_RC4          => 0,
 199                         NO_RC5          => 0,
 200                         NO_IDEA         => 0,
 201                         NO_DES          => 0,
 202                         NO_BF           => 0,
 203                         NO_CAST         => 0,
 204                         NO_MD2          => 0,
 205                         NO_MD5          => 0,
 206                         NO_SHA          => 0,
 207                         NO_RIPEMD       => 0,
 208                         NO_MDC2         => 0,
 209                         NO_RSA          => 0,
 210                         NO_DSA          => 0,
 211                         NO_DH           => 0,
 212                         NO_HMAC         => 0,
 213                 );
 214                 while(<IN>) {
 215                         last if (/BEGIN ERROR CODES/);
 216                         if ($line ne '') {
 217                                 $_ = $line . $_;
 218                                 $line = '';
 219                         }
 220
 221                         if (/\\$/) {
 222                                 $line = $_;
 223                                 next;
 224                         }
 225
 226                         $cpp = 1 if /^#.*ifdef.*cplusplus/;
 227                         if ($cpp) {
 228                                 $cpp = 0 if /^#.*endif/;
 229                                 next;
 230                         }
 231
 232                         s/\/\*.*?\*\///gs;                   # ignore comments
 233                         s/{[^{}]*}//gs;                      # ignore {} blocks
 234                         if (/^\#\s*ifndef (.*)/) {
 235                                 push(@tag,$1);
 236                                 $tag{$1}=-1;
 237                                 next;
 238                         } elsif (/^\#\s*if !defined\(([^\)]+)\)/) {
 239                                 push(@tag,$1);
 240                                 $tag{$1}=-1;
 241                                 next;
 242                         } elsif (/^\#\s*ifdef (.*)/) {
 243                                 push(@tag,$1);
 244                                 $tag{$1}=1;
 245                                 next;
 246                         } elsif (/^\#\s*if defined(.*)/) {
 247                                 push(@tag,$1);
 248                                 $tag{$1}=1;
 249                                 next;
 250                         } elsif (/^\#\s*endif/) {
 251                                 $tag{$tag[$#tag]}=0;
 252                                 pop(@tag);
 253                                 next;
 254                         } elsif (/^\#\s*else/) {
 255                                 my $t=$tag[$#tag];
 256                                 $tag{$t}= -$tag{$t};
 257                                 next;
 258                         } elsif (/^\#\s*if\s+1/) {
 259                                 # Dummy tag
 260                                 push(@tag,"TRUE");
 261                                 $tag{"TRUE"}=1;
 262                                 next;
 263                         } elsif (/^\#\s*if\s+0/) {
 264                                 # Dummy tag
 265                                 push(@tag,"TRUE");
 266                                 $tag{"TRUE"}=-1;
 267                                 next;
 268                         } elsif (/^\#/) {
 269                                 next;
 270                         }
 271                         if ($safe_stack_def &&
 272                                 /^\s*DECLARE_STACK_OF\s*\(\s*(\w*)\s*\)/) {
 273                                 $funcs{"sk_${1}_new"} = 1;
 274                                 $funcs{"sk_${1}_new_null"} = 1;
 275                                 $funcs{"sk_${1}_free"} = 1;
 276                                 $funcs{"sk_${1}_num"} = 1;
 277                                 $funcs{"sk_${1}_value"} = 1;
 278                                 $funcs{"sk_${1}_set"} = 1;
 279                                 $funcs{"sk_${1}_zero"} = 1;
 280                                 $funcs{"sk_${1}_push"} = 1;
 281                                 $funcs{"sk_${1}_unshift"} = 1;
 282                                 $funcs{"sk_${1}_find"} = 1;
 283                                 $funcs{"sk_${1}_delete"} = 1;
 284                                 $funcs{"sk_${1}_delete_ptr"} = 1;
 285                                 $funcs{"sk_${1}_insert"} = 1;
 286                                 $funcs{"sk_${1}_set_cmp_func"} = 1;
 287                                 $funcs{"sk_${1}_dup"} = 1;
 288                                 $funcs{"sk_${1}_pop_free"} = 1;
 289                                 $funcs{"sk_${1}_shift"} = 1;
 290                                 $funcs{"sk_${1}_pop"} = 1;
 291                                 $funcs{"sk_${1}_sort"} = 1;
 292                         } elsif ($safe_stack_def &&
 293                                 /^\s*DECLARE_ASN1_SET_OF\s*\(\s*(\w*)\s*\)/) {
 294                                 $funcs{"d2i_ASN1_SET_OF_${1}"} = 1;
 295                                 $funcs{"i2d_ASN1_SET_OF_${1}"} = 1;
 296                         } elsif (/^DECLARE_PEM_rw\s*\(\s*(\w*)\s*,/ ||
 297                                      /^DECLARE_PEM_rw_cb\s*\(\s*(\w*)\s*,/ ) {
 298                                 if($W32) {
 299                                         $funcs{"PEM_read_${1}"} = 1;
 300                                         $funcs{"PEM_write_${1}"} = 1;
 301                                 }
 302                                 $funcs{"PEM_read_bio_${1}"} = 1;
 303                                 $funcs{"PEM_write_bio_${1}"} = 1;
 304                         } elsif (/^DECLARE_PEM_write\s*\(\s*(\w*)\s*,/ ||
 305                                      /^DECLARE_PEM_write_cb\s*\(\s*(\w*)\s*,/ ) {
 306                                 if($W32) {
 307                                         $funcs{"PEM_write_${1}"} = 1;
 308                                 }
 309                                 $funcs{"PEM_write_bio_${1}"} = 1;
 310                         } elsif (/^DECLARE_PEM_read\s*\(\s*(\w*)\s*,/ ||
 311                                      /^DECLARE_PEM_read_cb\s*\(\s*(\w*)\s*,/ ) {
 312                                 if($W32) {
 313                                         $funcs{"PEM_read_${1}"} = 1;
 314                                 }
 315                                 $funcs{"PEM_read_bio_${1}"} = 1;
 316                         } elsif (
 317                                 ($tag{'TRUE'} != -1) &&
 318                                 ($tag{'FreeBSD'} != 1) &&
 319                                 ($tag{'CONST_STRICT'} != 1) &&
 320                                 (($W32 && ($tag{'WIN16'} != 1)) ||
 321                                  (!$W32 && ($tag{'WIN16'} != -1))) &&
 322                                 ($tag{'PERL5'} != 1) &&
 323 #                               ($tag{'_WINDLL'} != -1) &&
 324                                 ((!$W32 && $tag{'_WINDLL'} != -1) ||
 325                                  ($W32 && $tag{'_WINDLL'} != 1)) &&
 326                                 ((($tag{'NO_FP_API'} != 1) && $W32) ||
 327                                  (($tag{'NO_FP_API'} != -1) && !$W32)) &&
 328                                 ($tag{'NO_RC2'} == 0  || !$no_rc2) &&
 329                                 ($tag{'NO_RC4'} == 0  || !$no_rc4) &&
 330                                 ($tag{'NO_RC5'} == 0  || !$no_rc5) &&
 331                                 ($tag{'NO_IDEA'} == 0 || !$no_idea) &&
 332                                 ($tag{'NO_DES'} == 0  || !$no_des) &&
 333                                 ($tag{'NO_BF'} == 0   || !$no_bf) &&
 334                                 ($tag{'NO_CAST'} == 0 || !$no_cast) &&
 335                                 ($tag{'NO_MD2'} == 0  || !$no_md2) &&
 336                                 ($tag{'NO_MD5'} == 0  || !$no_md5) &&
 337                                 ($tag{'NO_SHA'} == 0  || !$no_sha) &&
 338                                 ($tag{'NO_RIPEMD'} == 0 || !$no_ripemd) &&
 339                                 ($tag{'NO_MDC2'} == 0 || !$no_mdc2) &&
 340                                 ($tag{'NO_RSA'} == 0  || !$no_rsa) &&
 341                                 ($tag{'NO_DSA'} == 0  || !$no_dsa) &&
 342                                 ($tag{'NO_DH'} == 0   || !$no_dh) &&
 343                                 ($tag{'NO_HMAC'} == 0 || !$no_hmac))
 344                                 {
 345                                         if (/{|\/\*/) { # }
 346                                                 $line = $_;
 347                                         } else {
 348                                                 $def .= $_;
 349                                         }
 350                                 }
 351                         }
 352                 close(IN);
 353
 354                 foreach (split /;/, $def) {
 355                         s/^[\n\s]*//g;
 356                         s/[\n\s]*$//g;
 357                         next if(/typedef\W/);
 358                         next if(/EVP_bf/ and $no_bf);
 359                         next if(/EVP_cast/ and $no_cast);
 360                         next if(/EVP_des/ and $no_des);
 361                         next if(/EVP_dss/ and $no_dsa);
 362                         next if(/EVP_idea/ and $no_idea);
 363                         next if(/EVP_md2/ and $no_md2);
 364                         next if(/EVP_md5/ and $no_md5);
 365                         next if(/EVP_rc2/ and $no_rc2);
 366                         next if(/EVP_rc4/ and $no_rc4);
 367                         next if(/EVP_rc5/ and $no_rc5);
 368                         next if(/EVP_ripemd/ and $no_ripemd);
 369                         next if(/EVP_sha/ and $no_sha);
 370                         if (/\(\*(\w*)\([^\)]+/) {
 371                                 $funcs{$1} = 1;
 372                         } elsif (/\w+\W+(\w+)\W*\(\s*\)$/s) {
 373                                 # K&R C
 374                                 next;
 375                         } elsif (/\w+\W+\w+\W*\(.*\)$/s) {
 376                                 while (not /\(\)$/s) {
 377                                         s/[^\(\)]*\)$/\)/s;
 378                                         s/\([^\(\)]*\)\)$/\)/s;
 379                                 }
 380                                 s/\(void\)//;
 381                                 /(\w+)\W*\(\)/s;
 382                                 $funcs{$1} = 1;
 383                         } elsif (/\(/ and not (/=/)) {
 384                                 print STDERR "File $file: cannot parse: $_;\n";
 385                         }
 386                 }
 387         }
 388
 389         # Prune the returned functions
 390
 391         delete $funcs{"SSL_add_dir_cert_subjects_to_stack"};
 392         delete $funcs{"RSA_PKCS1_RSAref"} unless $rsaref;
 393
 394         if($W32) {
 395                 delete $funcs{"BIO_s_file_internal"};
 396                 delete $funcs{"BIO_new_file_internal"};
 397                 delete $funcs{"BIO_new_fp_internal"};
 398         } else {
 399                 if(exists $funcs{"ERR_load_CRYPTO_strings"}) {
 400                         delete $funcs{"ERR_load_CRYPTO_strings"};
 401                         $funcs{"ERR_load_CRYPTOlib_strings"} = 1;
 402                 }
 403                 delete $funcs{"BIO_s_file"};
 404                 delete $funcs{"BIO_new_file"};
 405                 delete $funcs{"BIO_new_fp"};
 406         }
 407         if (!$NT) {
 408                 delete $funcs{"BIO_s_log"};
 409         }
 410
 411         push @ret, keys %funcs;
 412
 413         return(@ret);
 414 }
 415
 416 sub print_test_file
 417 {
 418         (*OUT,my $name,*nums,my @functions)=@_;
 419         my $n = 1; my @e; my @r;
 420         my $func;
 421
 422         (@e)=grep(/^SSLeay/,@functions);
 423         (@r)=grep(!/^SSLeay/,@functions);
 424         @functions=((sort @e),(sort @r));
 425
 426         foreach $func (@functions) {
 427                 if (!defined($nums{$func})) {
 428                         printf STDERR "$func does not have a number assigned\n"
 429                                         if(!$do_update);
 430                 } else {
 431                         $n=$nums{$func};
 432                         print OUT "\t$func();\n";
 433                 }
 434         }
 435 }
 436
 437 sub print_def_file
 438 {
 439         (*OUT,my $name,*nums,my @functions)=@_;
 440         my $n = 1; my @e; my @r;
 441
 442         if ($W32)
 443                 { $name.="32"; }
 444         else
 445                 { $name.="16"; }
 446
 447         print OUT <<"EOF";
 448 ;
 449 ; Definition file for the DLL version of the $name library from OpenSSL
 450 ;
 451
 452 LIBRARY         $name
 453
 454 DESCRIPTION     'OpenSSL $name - http://www.openssl.org/'
 455
 456 EOF
 457
 458         if (!$W32) {
 459                 print <<"EOF";
 460 CODE            PRELOAD MOVEABLE
 461 DATA            PRELOAD MOVEABLE SINGLE
 462
 463 EXETYPE         WINDOWS
 464
 465 HEAPSIZE        4096
 466 STACKSIZE       8192
 467
 468 EOF
 469         }
 470
 471         print "EXPORTS\n";
 472
 473
 474         (@e)=grep(/^SSLeay/,@functions);
 475         (@r)=grep(!/^SSLeay/,@functions);
 476         @functions=((sort @e),(sort @r));
 477
 478         foreach $func (@functions) {
 479                 if (!defined($nums{$func})) {
 480                         printf STDERR "$func does not have a number assigned\n"
 481                                         if(!$do_update);
 482                 } else {
 483                         $n=$nums{$func};
 484                         printf OUT "    %s%-40s@%d\n",($W32)?"":"_",$func,$n;
 485                 }
 486         }
 487         printf OUT "\n";
 488 }
 489
 490 sub load_numbers
 491 {
 492         my($name)=@_;
 493         my(@a,%ret);
 494
 495         $max_num = 0;
 496
 497         open(IN,"<$name") || die "unable to open $name:$!\n";
 498         while (<IN>) {
 499                 chop;
 500                 s/#.*$//;
 501                 next if /^\s*$/;
 502                 @a=split;
 503                 $ret{$a[0]}=$a[1];
 504                 $max_num = $a[1] if $a[1] > $max_num;
 505         }
 506         close(IN);
 507         return(%ret);
 508 }
 509
 510 sub update_numbers
 511 {
 512         (*OUT,$name,*nums,my $start_num, my @functions)=@_;
 513         my $new_funcs = 0;
 514         print STDERR "Updating $name\n";
 515         foreach $func (@functions) {
 516                 if (!exists $nums{$func}) {
 517                         $new_funcs++;
 518                         printf OUT "%s%-40s%d\n","",$func, ++$start_num;
 519                 }
 520         }
 521         if($new_funcs) {
 522                 print STDERR "$new_funcs New Functions added\n";
 523         } else {
 524                 print STDERR "No New Functions Added\n";
 525         }
 526 }