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