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 # Intermediary files are created, call libeay.num and ssleay.num,...
   9 # Previously, they had the following format:
  10 #
  11 #       routine-name    nnnn
  12 #
  13 # But that isn't enough for a number of reasons, the first on being that
  14 # this format is (needlessly) very Win32-centric, and even then...
  15 # One of the biggest problems is that there's no information about what
  16 # routines should actually be used, which varies with what crypto algorithms
  17 # are disabled.  Also, some operating systems (for example VMS with VAX C)
  18 # need to keep track of the global variables as well as the functions.
  19 #
  20 # So, a remake of this script is done so as to include information on the
  21 # kind of symbol it is (function or variable) and what algorithms they're
  22 # part of.  This will allow easy translating to .def files or the corresponding
  23 # file in other operating systems (a .opt file for VMS, possibly with a .mar
  24 # file).
  25 #
  26 # The format now becomes:
  27 #
  28 #       routine-name    nnnn    info
  29 #
  30 # and the "info" part is actually a colon-separated string of fields with
  31 # the following meaning:
  32 #
  33 #       existence:platform:kind:algorithms
  34 #
  35 # - "existence" can be "EXIST" or "NOEXIST" depending on if the symbol is
  36 #   found somewhere in the source,
  37 # - "platforms" is empty if it exists on all platforms, otherwise it contains
  38 #   comma-separated list of the platform, just as they are if the symbol exists
  39 #   for those platforms, or prepended with a "!" if not.  This helps resolve
  40 #   symbol name variants for platforms where the names are too long for the
  41 #   compiler or linker, or if the systems is case insensitive and there is a
  42 #   clash, or the symbol is implemented differently (see
  43 #   EXPORT_VAR_AS_FUNCTION).  This script assumes renaming of symbols is found
  44 #   in the file crypto/symhacks.h.
  45 #   The semantics for the platforms is that every item is checked against the
  46 #   environment.  For the negative items ("!FOO"), if any of them is false
  47 #   (i.e. "FOO" is true) in the environment, the corresponding symbol can't be
  48 #   used.  For the positive itms, if all of them are false in the environment,
  49 #   the corresponding symbol can't be used.  Any combination of positive and
  50 #   negative items are possible, and of course leave room for some redundancy.
  51 # - "kind" is "FUNCTION" or "VARIABLE".  The meaning of that is obvious.
  52 # - "algorithms" is a comma-separated list of algorithm names.  This helps
  53 #   exclude symbols that are part of an algorithm that some user wants to
  54 #   exclude.
  55 #
  56
  57 my $debug=0;
  58
  59 my $crypto_num= "util/libeay.num";
  60 my $ssl_num=    "util/ssleay.num";
  61 my $libname;
  62
  63 my $do_update = 0;
  64 my $do_rewrite = 1;
  65 my $do_crypto = 0;
  66 my $do_ssl = 0;
  67 my $do_ctest = 0;
  68 my $do_ctestall = 0;
  69 my $do_checkexist = 0;
  70
  71 my $VMSVAX=0;
  72 my $VMSAlpha=0;
  73 my $VMS=0;
  74 my $W32=0;
  75 my $W16=0;
  76 my $NT=0;
  77 my $OS2=0;
  78 # Set this to make typesafe STACK definitions appear in DEF
  79 my $safe_stack_def = 0;
  80
  81 my @known_platforms = ( "__FreeBSD__", "PERL5", "NeXT",
  82                         "EXPORT_VAR_AS_FUNCTION" );
  83 my @known_ossl_platforms = ( "VMS", "WIN16", "WIN32", "WINNT", "OS2" );
  84 my @known_algorithms = ( "RC2", "RC4", "RC5", "IDEA", "DES", "BF",
  85                          "CAST", "MD2", "MD4", "MD5", "SHA", "SHA0", "SHA1",
  86                          "RIPEMD",
  87                          "MDC2", "RSA", "DSA", "DH", "EC", "ECDH", "ECDSA", "HMAC", "AES",
  88                          # Envelope "algorithms"
  89                          "EVP", "X509", "ASN1_TYPEDEFS",
  90                          # Helper "algorithms"
  91                          "BIO", "COMP", "BUFFER", "LHASH", "STACK", "ERR",
  92                          "LOCKING",
  93                          # External "algorithms"
  94                          "FP_API", "STDIO", "SOCK", "KRB5",
  95                          # Engines
  96                          "STATIC_ENGINE",
  97                          # Deprecated functions
  98                          "DEPRECATED" );
  99
 100 my $options="";
 101 open(IN,"<Makefile.ssl") || die "unable to open Makefile.ssl!\n";
 102 while(<IN>) {
 103     $options=$1 if (/^OPTIONS=(.*)$/);
 104 }
 105 close(IN);
 106
 107 # The following ciphers may be excluded (by Configure). This means functions
 108 # defined with ifndef(NO_XXX) are not included in the .def file, and everything
 109 # in directory xxx is ignored.
 110 my $no_rc2; my $no_rc4; my $no_rc5; my $no_idea; my $no_des; my $no_bf;
 111 my $no_cast;
 112 my $no_md2; my $no_md4; my $no_md5; my $no_sha; my $no_ripemd; my $no_mdc2;
 113 my $no_rsa; my $no_dsa; my $no_dh; my $no_hmac=0; my $no_aes; my $no_krb5;
 114 my $no_ec; my $no_ecdsa; my $no_ecdh;
 115 my $no_fp_api; my $no_static_engine; my $no_deprecated;
 116
 117 foreach (@ARGV, split(/ /, $options))
 118         {
 119         $debug=1 if $_ eq "debug";
 120         $W32=1 if $_ eq "32";
 121         $W16=1 if $_ eq "16";
 122         if($_ eq "NT") {
 123                 $W32 = 1;
 124                 $NT = 1;
 125         }
 126         if ($_ eq "VMS-VAX") {
 127                 $VMS=1;
 128                 $VMSVAX=1;
 129         }
 130         if ($_ eq "VMS-Alpha") {
 131                 $VMS=1;
 132                 $VMSAlpha=1;
 133         }
 134         $VMS=1 if $_ eq "VMS";
 135         $OS2=1 if $_ eq "OS2";
 136
 137         $do_ssl=1 if $_ eq "ssleay";
 138         if ($_ eq "ssl") {
 139                 $do_ssl=1;
 140                 $libname=$_
 141         }
 142         $do_crypto=1 if $_ eq "libeay";
 143         if ($_ eq "crypto") {
 144                 $do_crypto=1;
 145                 $libname=$_;
 146         }
 147         $do_update=1 if $_ eq "update";
 148         $do_rewrite=1 if $_ eq "rewrite";
 149         $do_ctest=1 if $_ eq "ctest";
 150         $do_ctestall=1 if $_ eq "ctestall";
 151         $do_checkexist=1 if $_ eq "exist";
 152         #$safe_stack_def=1 if $_ eq "-DDEBUG_SAFESTACK";
 153
 154         if    (/^no-rc2$/)      { $no_rc2=1; }
 155         elsif (/^no-rc4$/)      { $no_rc4=1; }
 156         elsif (/^no-rc5$/)      { $no_rc5=1; }
 157         elsif (/^no-idea$/)     { $no_idea=1; }
 158         elsif (/^no-des$/)      { $no_des=1; $no_mdc2=1; }
 159         elsif (/^no-bf$/)       { $no_bf=1; }
 160         elsif (/^no-cast$/)     { $no_cast=1; }
 161         elsif (/^no-md2$/)      { $no_md2=1; }
 162         elsif (/^no-md4$/)      { $no_md4=1; }
 163         elsif (/^no-md5$/)      { $no_md5=1; }
 164         elsif (/^no-sha$/)      { $no_sha=1; }
 165         elsif (/^no-ripemd$/)   { $no_ripemd=1; }
 166         elsif (/^no-mdc2$/)     { $no_mdc2=1; }
 167         elsif (/^no-rsa$/)      { $no_rsa=1; }
 168         elsif (/^no-dsa$/)      { $no_dsa=1; }
 169         elsif (/^no-dh$/)       { $no_dh=1; }
 170         elsif (/^no-ec$/)       { $no_ec=1; }
 171         elsif (/^no-ecdsa$/)    { $no_ecdsa=1; }
 172         elsif (/^no-ecdh$/)     { $no_ecdh=1; }
 173         elsif (/^no-hmac$/)     { $no_hmac=1; }
 174         elsif (/^no-aes$/)      { $no_aes=1; }
 175         elsif (/^no-evp$/)      { $no_evp=1; }
 176         elsif (/^no-lhash$/)    { $no_lhash=1; }
 177         elsif (/^no-stack$/)    { $no_stack=1; }
 178         elsif (/^no-err$/)      { $no_err=1; }
 179         elsif (/^no-buffer$/)   { $no_buffer=1; }
 180         elsif (/^no-bio$/)      { $no_bio=1; }
 181         #elsif (/^no-locking$/) { $no_locking=1; }
 182         elsif (/^no-comp$/)     { $no_comp=1; }
 183         elsif (/^no-dso$/)      { $no_dso=1; }
 184         elsif (/^no-krb5$/)     { $no_krb5=1; }
 185         }
 186
 187
 188 if (!$libname) {
 189         if ($do_ssl) {
 190                 $libname="SSLEAY";
 191         }
 192         if ($do_crypto) {
 193                 $libname="LIBEAY";
 194         }
 195 }
 196
 197 # If no platform is given, assume WIN32
 198 if ($W32 + $W16 + $VMS + $OS2 == 0) {
 199         $W32 = 1;
 200 }
 201
 202 # Add extra knowledge
 203 if ($W16) {
 204         $no_fp_api=1;
 205 }
 206
 207 if (!$do_ssl && !$do_crypto)
 208         {
 209         print STDERR "usage: $0 ( ssl | crypto ) [ 16 | 32 | NT | OS2 ]\n";
 210         exit(1);
 211         }
 212
 213 %ssl_list=&load_numbers($ssl_num);
 214 $max_ssl = $max_num;
 215 %crypto_list=&load_numbers($crypto_num);
 216 $max_crypto = $max_num;
 217
 218 my $ssl="ssl/ssl.h";
 219 $ssl.=" ssl/kssl.h";
 220
 221 my $crypto ="crypto/crypto.h";
 222 $crypto.=" crypto/des/des.h crypto/des/des_old.h" ; # unless $no_des;
 223 $crypto.=" crypto/idea/idea.h" ; # unless $no_idea;
 224 $crypto.=" crypto/rc4/rc4.h" ; # unless $no_rc4;
 225 $crypto.=" crypto/rc5/rc5.h" ; # unless $no_rc5;
 226 $crypto.=" crypto/rc2/rc2.h" ; # unless $no_rc2;
 227 $crypto.=" crypto/bf/blowfish.h" ; # unless $no_bf;
 228 $crypto.=" crypto/cast/cast.h" ; # unless $no_cast;
 229 $crypto.=" crypto/md2/md2.h" ; # unless $no_md2;
 230 $crypto.=" crypto/md4/md4.h" ; # unless $no_md4;
 231 $crypto.=" crypto/md5/md5.h" ; # unless $no_md5;
 232 $crypto.=" crypto/mdc2/mdc2.h" ; # unless $no_mdc2;
 233 $crypto.=" crypto/sha/sha.h" ; # unless $no_sha;
 234 $crypto.=" crypto/ripemd/ripemd.h" ; # unless $no_ripemd;
 235 $crypto.=" crypto/aes/aes.h" ; # unless $no_aes;
 236
 237 $crypto.=" crypto/bn/bn.h";
 238 $crypto.=" crypto/rsa/rsa.h" ; # unless $no_rsa;
 239 $crypto.=" crypto/dsa/dsa.h" ; # unless $no_dsa;
 240 $crypto.=" crypto/dh/dh.h" ; # unless $no_dh;
 241 $crypto.=" crypto/ec/ec.h" ; # unless $no_ec;
 242 $crypto.=" crypto/ecdsa/ecdsa.h" ; # unless $no_ecdsa;
 243 $crypto.=" crypto/ecdh/ecdh.h" ; # unless $no_ecdh;
 244 $crypto.=" crypto/hmac/hmac.h" ; # unless $no_hmac;
 245
 246 $crypto.=" crypto/engine/engine.h";
 247 $crypto.=" crypto/stack/stack.h" ; # unless $no_stack;
 248 $crypto.=" crypto/buffer/buffer.h" ; # unless $no_buffer;
 249 $crypto.=" crypto/bio/bio.h" ; # unless $no_bio;
 250 $crypto.=" crypto/dso/dso.h" ; # unless $no_dso;
 251 $crypto.=" crypto/lhash/lhash.h" ; # unless $no_lhash;
 252 $crypto.=" crypto/conf/conf.h";
 253 $crypto.=" crypto/txt_db/txt_db.h";
 254
 255 $crypto.=" crypto/evp/evp.h" ; # unless $no_evp;
 256 $crypto.=" crypto/objects/objects.h";
 257 $crypto.=" crypto/pem/pem.h";
 258 #$crypto.=" crypto/meth/meth.h";
 259 $crypto.=" crypto/asn1/asn1.h";
 260 $crypto.=" crypto/asn1/asn1t.h";
 261 $crypto.=" crypto/asn1/asn1_mac.h";
 262 $crypto.=" crypto/err/err.h" ; # unless $no_err;
 263 $crypto.=" crypto/pkcs7/pkcs7.h";
 264 $crypto.=" crypto/pkcs12/pkcs12.h";
 265 $crypto.=" crypto/x509/x509.h";
 266 $crypto.=" crypto/x509/x509_vfy.h";
 267 $crypto.=" crypto/x509v3/x509v3.h";
 268 $crypto.=" crypto/rand/rand.h";
 269 $crypto.=" crypto/comp/comp.h" ; # unless $no_comp;
 270 $crypto.=" crypto/ocsp/ocsp.h";
 271 $crypto.=" crypto/ui/ui.h crypto/ui/ui_compat.h";
 272 $crypto.=" crypto/krb5/krb5_asn.h";
 273 $crypto.=" crypto/tmdiff.h";
 274
 275 my $symhacks="crypto/symhacks.h";
 276
 277 my @ssl_symbols = &do_defs("SSLEAY", $ssl, $symhacks);
 278 my @crypto_symbols = &do_defs("LIBEAY", $crypto, $symhacks);
 279
 280 if ($do_update) {
 281
 282 if ($do_ssl == 1) {
 283
 284         &maybe_add_info("SSLEAY",*ssl_list,@ssl_symbols);
 285         if ($do_rewrite == 1) {
 286                 open(OUT, ">$ssl_num");
 287                 &rewrite_numbers(*OUT,"SSLEAY",*ssl_list,@ssl_symbols);
 288         } else {
 289                 open(OUT, ">>$ssl_num");
 290         }
 291         &update_numbers(*OUT,"SSLEAY",*ssl_list,$max_ssl,@ssl_symbols);
 292         close OUT;
 293 }
 294
 295 if($do_crypto == 1) {
 296
 297         &maybe_add_info("LIBEAY",*crypto_list,@crypto_symbols);
 298         if ($do_rewrite == 1) {
 299                 open(OUT, ">$crypto_num");
 300                 &rewrite_numbers(*OUT,"LIBEAY",*crypto_list,@crypto_symbols);
 301         } else {
 302                 open(OUT, ">>$crypto_num");
 303         }
 304         &update_numbers(*OUT,"LIBEAY",*crypto_list,$max_crypto,@crypto_symbols);
 305         close OUT;
 306 }
 307
 308 } elsif ($do_checkexist) {
 309         &check_existing(*ssl_list, @ssl_symbols)
 310                 if $do_ssl == 1;
 311         &check_existing(*crypto_list, @crypto_symbols)
 312                 if $do_crypto == 1;
 313 } elsif ($do_ctest || $do_ctestall) {
 314
 315         print <<"EOF";
 316
 317 /* Test file to check all DEF file symbols are present by trying
 318  * to link to all of them. This is *not* intended to be run!
 319  */
 320
 321 int main()
 322 {
 323 EOF
 324         &print_test_file(*STDOUT,"SSLEAY",*ssl_list,$do_ctestall,@ssl_symbols)
 325                 if $do_ssl == 1;
 326
 327         &print_test_file(*STDOUT,"LIBEAY",*crypto_list,$do_ctestall,@crypto_symbols)
 328                 if $do_crypto == 1;
 329
 330         print "}\n";
 331
 332 } else {
 333
 334         &print_def_file(*STDOUT,$libname,*ssl_list,@ssl_symbols)
 335                 if $do_ssl == 1;
 336
 337         &print_def_file(*STDOUT,$libname,*crypto_list,@crypto_symbols)
 338                 if $do_crypto == 1;
 339
 340 }
 341
 342
 343 sub do_defs
 344 {
 345         my($name,$files,$symhacksfile)=@_;
 346         my $file;
 347         my @ret;
 348         my %syms;
 349         my %platform;           # For anything undefined, we assume ""
 350         my %kind;               # For anything undefined, we assume "FUNCTION"
 351         my %algorithm;          # For anything undefined, we assume ""
 352         my %variant;
 353         my %variant_cnt;        # To be able to allocate "name{n}" if "name"
 354                                 # is the same name as the original.
 355         my $cpp;
 356         my %unknown_algorithms = ();
 357
 358         foreach $file (split(/\s+/,$symhacksfile." ".$files))
 359                 {
 360                 print STDERR "DEBUG: starting on $file:\n" if $debug;
 361                 open(IN,"<$file") || die "unable to open $file:$!\n";
 362                 my $line = "", my $def= "";
 363                 my %tag = (
 364                         (map { $_ => 0 } @known_platforms),
 365                         (map { "OPENSSL_SYS_".$_ => 0 } @known_ossl_platforms),
 366                         (map { "OPENSSL_NO_".$_ => 0 } @known_algorithms),
 367                         NOPROTO         => 0,
 368                         PERL5           => 0,
 369                         _WINDLL         => 0,
 370                         CONST_STRICT    => 0,
 371                         TRUE            => 1,
 372                 );
 373                 my $symhacking = $file eq $symhacksfile;
 374                 my @current_platforms = ();
 375                 my @current_algorithms = ();
 376
 377                 # params: symbol, alias, platforms, kind
 378                 # The reason to put this subroutine in a variable is that
 379                 # it will otherwise create it's own, unshared, version of
 380                 # %tag and %variant...
 381                 my $make_variant = sub
 382                 {
 383                         my ($s, $a, $p, $k) = @_;
 384                         my ($a1, $a2);
 385
 386                         print STDERR "DEBUG: make_variant: Entered with ",$s,", ",$a,", ",(defined($p)?$p:""),", ",(defined($k)?$k:""),"\n" if $debug;
 387                         if (defined($p))
 388                         {
 389                                 $a1 = join(",",$p,
 390                                            grep(!/^$/,
 391                                                 map { $tag{$_} == 1 ? $_ : "" }
 392                                                 @known_platforms));
 393                         }
 394                         else
 395                         {
 396                                 $a1 = join(",",
 397                                            grep(!/^$/,
 398                                                 map { $tag{$_} == 1 ? $_ : "" }
 399                                                 @known_platforms));
 400                         }
 401                         $a2 = join(",",
 402                                    grep(!/^$/,
 403                                         map { $tag{"OPENSSL_SYS_".$_} == 1 ? $_ : "" }
 404                                         @known_ossl_platforms));
 405                         print STDERR "DEBUG: make_variant: a1 = $a1; a2 = $a2\n" if $debug;
 406                         if ($a1 eq "") { $a1 = $a2; }
 407                         elsif ($a1 ne "" && $a2 ne "") { $a1 .= ",".$a2; }
 408                         if ($a eq $s)
 409                         {
 410                                 if (!defined($variant_cnt{$s}))
 411                                 {
 412                                         $variant_cnt{$s} = 0;
 413                                 }
 414                                 $variant_cnt{$s}++;
 415                                 $a .= "{$variant_cnt{$s}}";
 416                         }
 417                         my $toadd = $a.":".$a1.(defined($k)?":".$k:"");
 418                         my $togrep = $s.'(\{[0-9]+\})?:'.$a1.(defined($k)?":".$k:"");
 419                         if (!grep(/^$togrep$/,
 420                                   split(/;/, defined($variant{$s})?$variant{$s}:""))) {
 421                                 if (defined($variant{$s})) { $variant{$s} .= ";"; }
 422                                 $variant{$s} .= $toadd;
 423                         }
 424                         print STDERR "DEBUG: make_variant: Exit with variant of ",$s," = ",$variant{$s},"\n" if $debug;
 425                 };
 426
 427                 print STDERR "DEBUG: parsing ----------\n" if $debug;
 428                 while(<IN>) {
 429                         last if (/\/\* Error codes for the \w+ functions\. \*\//);
 430                         if ($line ne '') {
 431                                 $_ = $line . $_;
 432                                 $line = '';
 433                         }
 434
 435                         if (/\\$/) {
 436                                 chomp; # remove eol
 437                                 chop; # remove ending backslash
 438                                 $line = $_;
 439                                 next;
 440                         }
 441
 442                         $cpp = 1 if /^\#.*ifdef.*cplusplus/;
 443                         if ($cpp) {
 444                                 $cpp = 0 if /^\#.*endif/;
 445                                 next;
 446                         }
 447
 448                         s/\/\*.*?\*\///gs;                   # ignore comments
 449                         s/{[^{}]*}//gs;                      # ignore {} blocks
 450                         print STDERR "DEBUG: \$def=\"$def\"\n" if $debug && $def ne "";
 451                         print STDERR "DEBUG: \$_=\"$_\"\n" if $debug;
 452                         if (/^\#\s*ifndef\s+(.*)/) {
 453                                 push(@tag,"-");
 454                                 push(@tag,$1);
 455                                 $tag{$1}=-1;
 456                                 print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
 457                         } elsif (/^\#\s*if\s+!defined\(([^\)]+)\)/) {
 458                                 push(@tag,"-");
 459                                 if (/^\#\s*if\s+(!defined\(([^\)]+)\)(\s+\&\&\s+!defined\(([^\)]+)\))*)$/) {
 460                                         my $tmp_1 = $1;
 461                                         my $tmp_;
 462                                         foreach $tmp_ (split '\&\&',$tmp_1) {
 463                                                 $tmp_ =~ /!defined\(([^\)]+)\)/;
 464                                                 print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
 465                                                 push(@tag,$1);
 466                                                 $tag{$1}=-1;
 467                                         }
 468                                 } else {
 469                                         print STDERR "Warning: $file: complicated expression: $_" if $debug; # because it is O...
 470                                         print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
 471                                         push(@tag,$1);
 472                                         $tag{$1}=-1;
 473                                 }
 474                         } elsif (/^\#\s*ifdef\s+(.*)/) {
 475                                 push(@tag,"-");
 476                                 push(@tag,$1);
 477                                 $tag{$1}=1;
 478                                 print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
 479                         } elsif (/^\#\s*if\s+defined\(([^\)]+)\)/) {
 480                                 push(@tag,"-");
 481                                 if (/^\#\s*if\s+(defined\(([^\)]+)\)(\s+\|\|\s+defined\(([^\)]+)\))*)$/) {
 482                                         my $tmp_1 = $1;
 483                                         my $tmp_;
 484                                         foreach $tmp_ (split '\|\|',$tmp_1) {
 485                                                 $tmp_ =~ /defined\(([^\)]+)\)/;
 486                                                 print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
 487                                                 push(@tag,$1);
 488                                                 $tag{$1}=1;
 489                                         }
 490                                 } else {
 491                                         print STDERR "Warning: $file: complicated expression: $_\n" if $debug; # because it is O...
 492                                         print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
 493                                         push(@tag,$1);
 494                                         $tag{$1}=1;
 495                                 }
 496                         } elsif (/^\#\s*error\s+(\w+) is disabled\./) {
 497                                 my $tag_i = $#tag;
 498                                 while($tag[$tag_i] ne "-") {
 499                                         if ($tag[$tag_i] eq "OPENSSL_NO_".$1) {
 500                                                 $tag{$tag[$tag_i]}=2;
 501                                                 print STDERR "DEBUG: $file: chaged tag $1 = 2\n" if $debug;
 502                                         }
 503                                         $tag_i--;
 504                                 }
 505                         } elsif (/^\#\s*endif/) {
 506                                 my $tag_i = $#tag;
 507                                 while($tag[$tag_i] ne "-") {
 508                                         my $t=$tag[$tag_i];
 509                                         print STDERR "DEBUG: \$t=\"$t\"\n" if $debug;
 510                                         if ($tag{$t}==2) {
 511                                                 $tag{$t}=-1;
 512                                         } else {
 513                                                 $tag{$t}=0;
 514                                         }
 515                                         print STDERR "DEBUG: $file: changed tag ",$t," = ",$tag{$t},"\n" if $debug;
 516                                         pop(@tag);
 517                                         if ($t =~ /^OPENSSL_NO_([A-Z0-9_]+)$/) {
 518                                                 $t=$1;
 519                                         } else {
 520                                                 $t="";
 521                                         }
 522                                         if ($t ne ""
 523                                             && !grep(/^$t$/, @known_algorithms)) {
 524                                                 $unknown_algorithms{$t} = 1;
 525                                                 #print STDERR "DEBUG: Added as unknown algorithm: $t\n" if $debug;
 526                                         }
 527                                         $tag_i--;
 528                                 }
 529                                 pop(@tag);
 530                         } elsif (/^\#\s*else/) {
 531                                 my $tag_i = $#tag;
 532                                 while($tag[$tag_i] ne "-") {
 533                                         my $t=$tag[$tag_i];
 534                                         $tag{$t}= -$tag{$t};
 535                                         print STDERR "DEBUG: $file: changed tag ",$t," = ",$tag{$t},"\n" if $debug;
 536                                         $tag_i--;
 537                                 }
 538                         } elsif (/^\#\s*if\s+1/) {
 539                                 push(@tag,"-");
 540                                 # Dummy tag
 541                                 push(@tag,"TRUE");
 542                                 $tag{"TRUE"}=1;
 543                                 print STDERR "DEBUG: $file: found 1\n" if $debug;
 544                         } elsif (/^\#\s*if\s+0/) {
 545                                 push(@tag,"-");
 546                                 # Dummy tag
 547                                 push(@tag,"TRUE");
 548                                 $tag{"TRUE"}=-1;
 549                                 print STDERR "DEBUG: $file: found 0\n" if $debug;
 550                         } elsif (/^\#\s*define\s+(\w+)\s+(\w+)/
 551                                  && $symhacking && $tag{'TRUE'} != -1) {
 552                                 # This is for aliasing.  When we find an alias,
 553                                 # we have to invert
 554                                 &$make_variant($1,$2);
 555                                 print STDERR "DEBUG: $file: defined $1 = $2\n" if $debug;
 556                         }
 557                         if (/^\#/) {
 558                                 @current_platforms =
 559                                     grep(!/^$/,
 560                                          map { $tag{$_} == 1 ? $_ :
 561                                                    $tag{$_} == -1 ? "!".$_  : "" }
 562                                          @known_platforms);
 563                                 push @current_platforms
 564                                     , grep(!/^$/,
 565                                            map { $tag{"OPENSSL_SYS_".$_} == 1 ? $_ :
 566                                                      $tag{"OPENSSL_SYS_".$_} == -1 ? "!".$_  : "" }
 567                                            @known_ossl_platforms);
 568                                 @current_algorithms =
 569                                     grep(!/^$/,
 570                                          map { $tag{"OPENSSL_NO_".$_} == -1 ? $_ : "" }
 571                                          @known_algorithms);
 572                                 $def .=
 573                                     "#INFO:"
 574                                         .join(',',@current_platforms).":"
 575                                             .join(',',@current_algorithms).";";
 576                                 next;
 577                         }
 578                         if ($tag{'TRUE'} != -1) {
 579                                 if (/^\s*DECLARE_STACK_OF\s*\(\s*(\w*)\s*\)/) {
 580                                         next;
 581                                 } elsif (/^\s*DECLARE_ASN1_ENCODE_FUNCTIONS\s*\(\s*(\w*)\s*,\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 582                                         $def .= "int d2i_$3(void);";
 583                                         $def .= "int i2d_$3(void);";
 584                                         # Variant for platforms that do not
 585                                         # have to access globale variables
 586                                         # in shared libraries through functions
 587                                         $def .=
 588                                             "#INFO:"
 589                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 590                                                     .join(',',@current_algorithms).";";
 591                                         $def .= "OPENSSL_EXTERN int $2_it;";
 592                                         $def .=
 593                                             "#INFO:"
 594                                                 .join(',',@current_platforms).":"
 595                                                     .join(',',@current_algorithms).";";
 596                                         # Variant for platforms that have to
 597                                         # access globale variables in shared
 598                                         # libraries through functions
 599                                         &$make_variant("$2_it","$2_it",
 600                                                       "EXPORT_VAR_AS_FUNCTION",
 601                                                       "FUNCTION");
 602                                         next;
 603                                 } elsif (/^\s*DECLARE_ASN1_FUNCTIONS_fname\s*\(\s*(\w*)\s*,\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 604                                         $def .= "int d2i_$3(void);";
 605                                         $def .= "int i2d_$3(void);";
 606                                         $def .= "int $3_free(void);";
 607                                         $def .= "int $3_new(void);";
 608                                         # Variant for platforms that do not
 609                                         # have to access globale variables
 610                                         # in shared libraries through functions
 611                                         $def .=
 612                                             "#INFO:"
 613                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 614                                                     .join(',',@current_algorithms).";";
 615                                         $def .= "OPENSSL_EXTERN int $2_it;";
 616                                         $def .=
 617                                             "#INFO:"
 618                                                 .join(',',@current_platforms).":"
 619                                                     .join(',',@current_algorithms).";";
 620                                         # Variant for platforms that have to
 621                                         # access globale variables in shared
 622                                         # libraries through functions
 623                                         &$make_variant("$2_it","$2_it",
 624                                                       "EXPORT_VAR_AS_FUNCTION",
 625                                                       "FUNCTION");
 626                                         next;
 627                                 } elsif (/^\s*DECLARE_ASN1_FUNCTIONS\s*\(\s*(\w*)\s*\)/ ||
 628                                          /^\s*DECLARE_ASN1_FUNCTIONS_const\s*\(\s*(\w*)\s*\)/) {
 629                                         $def .= "int d2i_$1(void);";
 630                                         $def .= "int i2d_$1(void);";
 631                                         $def .= "int $1_free(void);";
 632                                         $def .= "int $1_new(void);";
 633                                         # Variant for platforms that do not
 634                                         # have to access globale variables
 635                                         # in shared libraries through functions
 636                                         $def .=
 637                                             "#INFO:"
 638                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 639                                                     .join(',',@current_algorithms).";";
 640                                         $def .= "OPENSSL_EXTERN int $1_it;";
 641                                         $def .=
 642                                             "#INFO:"
 643                                                 .join(',',@current_platforms).":"
 644                                                     .join(',',@current_algorithms).";";
 645                                         # Variant for platforms that have to
 646                                         # access globale variables in shared
 647                                         # libraries through functions
 648                                         &$make_variant("$1_it","$1_it",
 649                                                       "EXPORT_VAR_AS_FUNCTION",
 650                                                       "FUNCTION");
 651                                         next;
 652                                 } elsif (/^\s*DECLARE_ASN1_ENCODE_FUNCTIONS_const\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 653                                         $def .= "int d2i_$2(void);";
 654                                         $def .= "int i2d_$2(void);";
 655                                         # Variant for platforms that do not
 656                                         # have to access globale variables
 657                                         # in shared libraries through functions
 658                                         $def .=
 659                                             "#INFO:"
 660                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 661                                                     .join(',',@current_algorithms).";";
 662                                         $def .= "OPENSSL_EXTERN int $2_it;";
 663                                         $def .=
 664                                             "#INFO:"
 665                                                 .join(',',@current_platforms).":"
 666                                                     .join(',',@current_algorithms).";";
 667                                         # Variant for platforms that have to
 668                                         # access globale variables in shared
 669                                         # libraries through functions
 670                                         &$make_variant("$2_it","$2_it",
 671                                                       "EXPORT_VAR_AS_FUNCTION",
 672                                                       "FUNCTION");
 673                                         next;
 674                                 } elsif (/^\s*DECLARE_ASN1_FUNCTIONS_name\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 675                                         $def .= "int d2i_$2(void);";
 676                                         $def .= "int i2d_$2(void);";
 677                                         $def .= "int $2_free(void);";
 678                                         $def .= "int $2_new(void);";
 679                                         # Variant for platforms that do not
 680                                         # have to access globale variables
 681                                         # in shared libraries through functions
 682                                         $def .=
 683                                             "#INFO:"
 684                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 685                                                     .join(',',@current_algorithms).";";
 686                                         $def .= "OPENSSL_EXTERN int $2_it;";
 687                                         $def .=
 688                                             "#INFO:"
 689                                                 .join(',',@current_platforms).":"
 690                                                     .join(',',@current_algorithms).";";
 691                                         # Variant for platforms that have to
 692                                         # access globale variables in shared
 693                                         # libraries through functions
 694                                         &$make_variant("$2_it","$2_it",
 695                                                       "EXPORT_VAR_AS_FUNCTION",
 696                                                       "FUNCTION");
 697                                         next;
 698                                 } elsif (/^\s*DECLARE_ASN1_ITEM\s*\(\s*(\w*)\s*\)/) {
 699                                         # Variant for platforms that do not
 700                                         # have to access globale variables
 701                                         # in shared libraries through functions
 702                                         $def .=
 703                                             "#INFO:"
 704                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 705                                                     .join(',',@current_algorithms).";";
 706                                         $def .= "OPENSSL_EXTERN int $1_it;";
 707                                         $def .=
 708                                             "#INFO:"
 709                                                 .join(',',@current_platforms).":"
 710                                                     .join(',',@current_algorithms).";";
 711                                         # Variant for platforms that have to
 712                                         # access globale variables in shared
 713                                         # libraries through functions
 714                                         &$make_variant("$1_it","$1_it",
 715                                                       "EXPORT_VAR_AS_FUNCTION",
 716                                                       "FUNCTION");
 717                                         next;
 718                                 } elsif (/^\s*DECLARE_ASN1_NDEF_FUNCTION\s*\(\s*(\w*)\s*\)/) {
 719                                         $def .= "int i2d_$1_NDEF(void);";
 720                                 } elsif (/^\s*DECLARE_ASN1_SET_OF\s*\(\s*(\w*)\s*\)/) {
 721                                         next;
 722                                 } elsif (/^\s*DECLARE_PKCS12_STACK_OF\s*\(\s*(\w*)\s*\)/) {
 723                                         next;
 724                                 } elsif (/^DECLARE_PEM_rw\s*\(\s*(\w*)\s*,/ ||
 725                                          /^DECLARE_PEM_rw_cb\s*\(\s*(\w*)\s*,/ ) {
 726                                         # Things not in Win16
 727                                         $def .=
 728                                             "#INFO:"
 729                                                 .join(',',"!WIN16",@current_platforms).":"
 730                                                     .join(',',@current_algorithms).";";
 731                                         $def .= "int PEM_read_$1(void);";
 732                                         $def .= "int PEM_write_$1(void);";
 733                                         $def .=
 734                                             "#INFO:"
 735                                                 .join(',',@current_platforms).":"
 736                                                     .join(',',@current_algorithms).";";
 737                                         # Things that are everywhere
 738                                         $def .= "int PEM_read_bio_$1(void);";
 739                                         $def .= "int PEM_write_bio_$1(void);";
 740                                         next;
 741                                 } elsif (/^DECLARE_PEM_write\s*\(\s*(\w*)\s*,/ ||
 742                                          /^DECLARE_PEM_write_cb\s*\(\s*(\w*)\s*,/ ) {
 743                                         # Things not in Win16
 744                                         $def .=
 745                                             "#INFO:"
 746                                                 .join(',',"!WIN16",@current_platforms).":"
 747                                                     .join(',',@current_algorithms).";";
 748                                         $def .= "int PEM_write_$1(void);";
 749                                         $def .=
 750                                             "#INFO:"
 751                                                 .join(',',@current_platforms).":"
 752                                                     .join(',',@current_algorithms).";";
 753                                         # Things that are everywhere
 754                                         $def .= "int PEM_write_bio_$1(void);";
 755                                         next;
 756                                 } elsif (/^DECLARE_PEM_read\s*\(\s*(\w*)\s*,/ ||
 757                                          /^DECLARE_PEM_read_cb\s*\(\s*(\w*)\s*,/ ) {
 758                                         # Things not in Win16
 759                                         $def .=
 760                                             "#INFO:"
 761                                                 .join(',',"!WIN16",@current_platforms).":"
 762                                                     .join(',',@current_algorithms).";";
 763                                         $def .= "int PEM_read_$1(void);";
 764                                         $def .=
 765                                             "#INFO:"
 766                                                 .join(',',@current_platforms).":"
 767                                                     .join(',',@current_algorithms).";";
 768                                         # Things that are everywhere
 769                                         $def .= "int PEM_read_bio_$1(void);";
 770                                         next;
 771                                 } elsif (/^OPENSSL_DECLARE_GLOBAL\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 772                                         # Variant for platforms that do not
 773                                         # have to access globale variables
 774                                         # in shared libraries through functions
 775                                         $def .=
 776                                             "#INFO:"
 777                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 778                                                     .join(',',@current_algorithms).";";
 779                                         $def .= "OPENSSL_EXTERN int _shadow_$2;";
 780                                         $def .=
 781                                             "#INFO:"
 782                                                 .join(',',@current_platforms).":"
 783                                                     .join(',',@current_algorithms).";";
 784                                         # Variant for platforms that have to
 785                                         # access globale variables in shared
 786                                         # libraries through functions
 787                                         &$make_variant("_shadow_$2","_shadow_$2",
 788                                                       "EXPORT_VAR_AS_FUNCTION",
 789                                                       "FUNCTION");
 790                                 } elsif ($tag{'CONST_STRICT'} != 1) {
 791                                         if (/\{|\/\*|\([^\)]*$/) {
 792                                                 $line = $_;
 793                                         } else {
 794                                                 $def .= $_;
 795                                         }
 796                                 }
 797                         }
 798                 }
 799                 close(IN);
 800
 801                 my $algs;
 802                 my $plays;
 803
 804                 print STDERR "DEBUG: postprocessing ----------\n" if $debug;
 805                 foreach (split /;/, $def) {
 806                         my $s; my $k = "FUNCTION"; my $p; my $a;
 807                         s/^[\n\s]*//g;
 808                         s/[\n\s]*$//g;
 809                         next if(/\#undef/);
 810                         next if(/typedef\W/);
 811                         next if(/\#define/);
 812
 813                         print STDERR "DEBUG: \$_ = \"$_\"\n" if $debug;
 814                         if (/^\#INFO:([^:]*):(.*)$/) {
 815                                 $plats = $1;
 816                                 $algs = $2;
 817                                 print STDERR "DEBUG: found info on platforms ($plats) and algorithms ($algs)\n" if $debug;
 818                                 next;
 819                         } elsif (/^\s*OPENSSL_EXTERN\s.*?(\w+(\{[0-9]+\})?)(\[[0-9]*\])*\s*$/) {
 820                                 $s = $1;
 821                                 $k = "VARIABLE";
 822                                 print STDERR "DEBUG: found external variable $s\n" if $debug;
 823                         } elsif (/\(\*(\w*(\{[0-9]+\})?)\([^\)]+/) {
 824                                 $s = $1;
 825                                 print STDERR "DEBUG: found ANSI C function $s\n" if $debug;
 826                         } elsif (/\w+\W+(\w+)\W*\(\s*\)$/s) {
 827                                 # K&R C
 828                                 print STDERR "DEBUG: found K&R C function $s\n" if $debug;
 829                                 next;
 830                         } elsif (/\w+\W+\w+(\{[0-9]+\})?\W*\(.*\)$/s) {
 831                                 while (not /\(\)$/s) {
 832                                         s/[^\(\)]*\)$/\)/s;
 833                                         s/\([^\(\)]*\)\)$/\)/s;
 834                                 }
 835                                 s/\(void\)//;
 836                                 /(\w+(\{[0-9]+\})?)\W*\(\)/s;
 837                                 $s = $1;
 838                                 print STDERR "DEBUG: found function $s\n" if $debug;
 839                         } elsif (/\(/ and not (/=/)) {
 840                                 print STDERR "File $file: cannot parse: $_;\n";
 841                                 next;
 842                         } else {
 843                                 next;
 844                         }
 845
 846                         $syms{$s} = 1;
 847                         $kind{$s} = $k;
 848
 849                         $p = $plats;
 850                         $a = $algs;
 851                         $a .= ",BF" if($s =~ /EVP_bf/);
 852                         $a .= ",CAST" if($s =~ /EVP_cast/);
 853                         $a .= ",DES" if($s =~ /EVP_des/);
 854                         $a .= ",DSA" if($s =~ /EVP_dss/);
 855                         $a .= ",IDEA" if($s =~ /EVP_idea/);
 856                         $a .= ",MD2" if($s =~ /EVP_md2/);
 857                         $a .= ",MD4" if($s =~ /EVP_md4/);
 858                         $a .= ",MD5" if($s =~ /EVP_md5/);
 859                         $a .= ",RC2" if($s =~ /EVP_rc2/);
 860                         $a .= ",RC4" if($s =~ /EVP_rc4/);
 861                         $a .= ",RC5" if($s =~ /EVP_rc5/);
 862                         $a .= ",RIPEMD" if($s =~ /EVP_ripemd/);
 863                         $a .= ",SHA" if($s =~ /EVP_sha/);
 864                         $a .= ",RSA" if($s =~ /EVP_(Open|Seal)(Final|Init)/);
 865                         $a .= ",RSA" if($s =~ /PEM_Seal(Final|Init|Update)/);
 866                         $a .= ",RSA" if($s =~ /RSAPrivateKey/);
 867                         $a .= ",RSA" if($s =~ /SSLv23?_((client|server)_)?method/);
 868
 869                         $platform{$s} =
 870                             &reduce_platforms((defined($platform{$s})?$platform{$s}.',':"").$p);
 871                         $algorithm{$s} .= ','.$a;
 872
 873                         if (defined($variant{$s})) {
 874                                 foreach $v (split /;/,$variant{$s}) {
 875                                         (my $r, my $p, my $k) = split(/:/,$v);
 876                                         my $ip = join ',',map({ /^!(.*)$/ ? $1 : "!".$_ } split /,/, $p);
 877                                         $syms{$r} = 1;
 878                                         if (!defined($k)) { $k = $kind{$s}; }
 879                                         $kind{$r} = $k."(".$s.")";
 880                                         $algorithm{$r} = $algorithm{$s};
 881                                         $platform{$r} = &reduce_platforms($platform{$s}.",".$p.",".$p);
 882                                         $platform{$s} = &reduce_platforms($platform{$s}.','.$ip.','.$ip);
 883                                         print STDERR "DEBUG: \$variant{\"$s\"} = ",$v,"; \$r = $r; \$p = ",$platform{$r},"; \$a = ",$algorithm{$r},"; \$kind = ",$kind{$r},"\n" if $debug;
 884                                 }
 885                         }
 886                         print STDERR "DEBUG: \$s = $s; \$p = ",$platform{$s},"; \$a = ",$algorithm{$s},"; \$kind = ",$kind{$s},"\n" if $debug;
 887                 }
 888         }
 889
 890         # Prune the returned symbols
 891
 892         delete $syms{"bn_dump1"};
 893         $platform{"BIO_s_log"} .= ",!WIN32,!WIN16,!macintosh";
 894
 895         $platform{"PEM_read_NS_CERT_SEQ"} = "VMS";
 896         $platform{"PEM_write_NS_CERT_SEQ"} = "VMS";
 897         $platform{"PEM_read_P8_PRIV_KEY_INFO"} = "VMS";
 898         $platform{"PEM_write_P8_PRIV_KEY_INFO"} = "VMS";
 899
 900         # Info we know about
 901
 902         push @ret, map { $_."\\".&info_string($_,"EXIST",
 903                                               $platform{$_},
 904                                               $kind{$_},
 905                                               $algorithm{$_}) } keys %syms;
 906
 907         if (keys %unknown_algorithms) {
 908                 print STDERR "WARNING: mkdef.pl doesn't know the following algorithms:\n";
 909                 print STDERR "\t",join("\n\t",keys %unknown_algorithms),"\n";
 910         }
 911         return(@ret);
 912 }
 913
 914 # Param: string of comma-separated platform-specs.
 915 sub reduce_platforms
 916 {
 917         my ($platforms) = @_;
 918         my $pl = defined($platforms) ? $platforms : "";
 919         my %p = map { $_ => 0 } split /,/, $pl;
 920         my $ret;
 921
 922         print STDERR "DEBUG: Entered reduce_platforms with \"$platforms\"\n"
 923             if $debug;
 924         # We do this, because if there's code like the following, it really
 925         # means the function exists in all cases and should therefore be
 926         # everywhere.  By increasing and decreasing, we may attain 0:
 927         #
 928         # ifndef WIN16
 929         #    int foo();
 930         # else
 931         #    int _fat foo();
 932         # endif
 933         foreach $platform (split /,/, $pl) {
 934                 if ($platform =~ /^!(.*)$/) {
 935                         $p{$1}--;
 936                 } else {
 937                         $p{$platform}++;
 938                 }
 939         }
 940         foreach $platform (keys %p) {
 941                 if ($p{$platform} == 0) { delete $p{$platform}; }
 942         }
 943
 944         delete $p{""};
 945
 946         $ret = join(',',sort(map { $p{$_} < 0 ? "!".$_ : $_ } keys %p));
 947         print STDERR "DEBUG: Exiting reduce_platforms with \"$ret\"\n"
 948             if $debug;
 949         return $ret;
 950 }
 951
 952 sub info_string {
 953         (my $symbol, my $exist, my $platforms, my $kind, my $algorithms) = @_;
 954
 955         my %a = defined($algorithms) ?
 956             map { $_ => 1 } split /,/, $algorithms : ();
 957         my $k = defined($kind) ? $kind : "FUNCTION";
 958         my $ret;
 959         my $p = &reduce_platforms($platforms);
 960
 961         delete $a{""};
 962
 963         $ret = $exist;
 964         $ret .= ":".$p;
 965         $ret .= ":".$k;
 966         $ret .= ":".join(',',sort keys %a);
 967         return $ret;
 968 }
 969
 970 sub maybe_add_info {
 971         (my $name, *nums, my @symbols) = @_;
 972         my $sym;
 973         my $new_info = 0;
 974         my %syms=();
 975
 976         print STDERR "Updating $name info\n";
 977         foreach $sym (@symbols) {
 978                 (my $s, my $i) = split /\\/, $sym;
 979                 if (defined($nums{$s})) {
 980                         $i =~ s/^(.*?:.*?:\w+)(\(\w+\))?/$1/;
 981                         (my $n, my $dummy) = split /\\/, $nums{$s};
 982                         if (!defined($dummy) || $i ne $dummy) {
 983                                 $nums{$s} = $n."\\".$i;
 984                                 $new_info++;
 985                                 print STDERR "DEBUG: maybe_add_info for $s: \"$dummy\" => \"$i\"\n" if $debug;
 986                         }
 987                 }
 988                 $syms{$s} = 1;
 989         }
 990
 991         my @s=sort { &parse_number($nums{$a},"n") <=> &parse_number($nums{$b},"n") } keys %nums;
 992         foreach $sym (@s) {
 993                 (my $n, my $i) = split /\\/, $nums{$sym};
 994                 if (!defined($syms{$sym}) && $i !~ /^NOEXIST:/) {
 995                         $new_info++;
 996                         print STDERR "DEBUG: maybe_add_info for $sym: -> undefined\n" if $debug;
 997                 }
 998         }
 999         if ($new_info) {
1000                 print STDERR "$new_info old symbols got an info update\n";
1001                 if (!$do_rewrite) {
1002                         print STDERR "You should do a rewrite to fix this.\n";
1003                 }
1004         } else {
1005                 print STDERR "No old symbols needed info update\n";
1006         }
1007 }
1008
1009 # Param: string of comma-separated keywords, each possibly prefixed with a "!"
1010 sub is_valid
1011 {
1012         my ($keywords_txt,$platforms) = @_;
1013         my (@keywords) = split /,/,$keywords_txt;
1014         my ($falsesum, $truesum) = (0, !grep(/^[^!]/,@keywords));
1015
1016         # Param: one keyword
1017         sub recognise
1018         {
1019                 my ($keyword,$platforms) = @_;
1020
1021                 if ($platforms) {
1022                         # platforms
1023                         if ($keyword eq "VMS" && $VMS) { return 1; }
1024                         if ($keyword eq "WIN32" && $W32) { return 1; }
1025                         if ($keyword eq "WIN16" && $W16) { return 1; }
1026                         if ($keyword eq "WINNT" && $NT) { return 1; }
1027                         if ($keyword eq "OS2" && $OS2) { return 1; }
1028                         # Special platforms:
1029                         # EXPORT_VAR_AS_FUNCTION means that global variables
1030                         # will be represented as functions.  This currently
1031                         # only happens on VMS-VAX.
1032                         if ($keyword eq "EXPORT_VAR_AS_FUNCTION" && ($VMSVAX || $W32 || $W16)) {
1033                                 return 1;
1034                         }
1035                         return 0;
1036                 } else {
1037                         # algorithms
1038                         if ($keyword eq "RC2" && $no_rc2) { return 0; }
1039                         if ($keyword eq "RC4" && $no_rc4) { return 0; }
1040                         if ($keyword eq "RC5" && $no_rc5) { return 0; }
1041                         if ($keyword eq "IDEA" && $no_idea) { return 0; }
1042                         if ($keyword eq "DES" && $no_des) { return 0; }
1043                         if ($keyword eq "BF" && $no_bf) { return 0; }
1044                         if ($keyword eq "CAST" && $no_cast) { return 0; }
1045                         if ($keyword eq "MD2" && $no_md2) { return 0; }
1046                         if ($keyword eq "MD4" && $no_md4) { return 0; }
1047                         if ($keyword eq "MD5" && $no_md5) { return 0; }
1048                         if ($keyword eq "SHA" && $no_sha) { return 0; }
1049                         if ($keyword eq "RIPEMD" && $no_ripemd) { return 0; }
1050                         if ($keyword eq "MDC2" && $no_mdc2) { return 0; }
1051                         if ($keyword eq "RSA" && $no_rsa) { return 0; }
1052                         if ($keyword eq "DSA" && $no_dsa) { return 0; }
1053                         if ($keyword eq "DH" && $no_dh) { return 0; }
1054                         if ($keyword eq "EC" && $no_ec) { return 0; }
1055                         if ($keyword eq "ECDSA" && $no_ecdsa) { return 0; }
1056                         if ($keyword eq "ECDH" && $no_ecdh) { return 0; }
1057                         if ($keyword eq "HMAC" && $no_hmac) { return 0; }
1058                         if ($keyword eq "AES" && $no_aes) { return 0; }
1059                         if ($keyword eq "EVP" && $no_evp) { return 0; }
1060                         if ($keyword eq "LHASH" && $no_lhash) { return 0; }
1061                         if ($keyword eq "STACK" && $no_stack) { return 0; }
1062                         if ($keyword eq "ERR" && $no_err) { return 0; }
1063                         if ($keyword eq "BUFFER" && $no_buffer) { return 0; }
1064                         if ($keyword eq "BIO" && $no_bio) { return 0; }
1065                         if ($keyword eq "COMP" && $no_comp) { return 0; }
1066                         if ($keyword eq "DSO" && $no_dso) { return 0; }
1067                         if ($keyword eq "KRB5" && $no_krb5) { return 0; }
1068                         if ($keyword eq "FP_API" && $no_fp_api) { return 0; }
1069                         if ($keyword eq "STATIC_ENGINE" && $no_static_engine) { return 0; }
1070                         if ($keyword eq "DEPRECATED" && $no_deprecated) { return 0; }
1071
1072                         # Nothing recognise as true
1073                         return 1;
1074                 }
1075         }
1076
1077         foreach $k (@keywords) {
1078                 if ($k =~ /^!(.*)$/) {
1079                         $falsesum += &recognise($1,$platforms);
1080                 } else {
1081                         $truesum += &recognise($k,$platforms);
1082                 }
1083         }
1084         print STDERR "DEBUG: [",$#keywords,",",$#keywords < 0,"] is_valid($keywords_txt) => (\!$falsesum) && $truesum = ",(!$falsesum) && $truesum,"\n" if $debug;
1085         return (!$falsesum) && $truesum;
1086 }
1087
1088 sub print_test_file
1089 {
1090         (*OUT,my $name,*nums,my $testall,my @symbols)=@_;
1091         my $n = 1; my @e; my @r;
1092         my $sym; my $prev = ""; my $prefSSLeay;
1093
1094         (@e)=grep(/^SSLeay(\{[0-9]+\})?\\.*?:.*?:.*/,@symbols);
1095         (@r)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:.*/ && !/^SSLeay(\{[0-9]+\})?\\.*?:.*?:.*/,@symbols);
1096         @symbols=((sort @e),(sort @r));
1097
1098         foreach $sym (@symbols) {
1099                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1100                 my $v = 0;
1101                 $v = 1 if $i=~ /^.*?:.*?:VARIABLE/;
1102                 my $p = ($i =~ /^[^:]*:([^:]*):/,$1);
1103                 my $a = ($i =~ /^[^:]*:[^:]*:[^:]*:([^:]*)/,$1);
1104                 if (!defined($nums{$s})) {
1105                         print STDERR "Warning: $s does not have a number assigned\n"
1106                             if(!$do_update);
1107                 } elsif (is_valid($p,1) && is_valid($a,0)) {
1108                         my $s2 = ($s =~ /^(.*?)(\{[0-9]+\})?$/, $1);
1109                         if ($prev eq $s2) {
1110                                 print OUT "\t/* The following has already appeared previously */\n";
1111                                 print STDERR "Warning: Symbol '",$s2,"' redefined. old=",($nums{$prev} =~ /^(.*?)\\/,$1),", new=",($nums{$s2} =~ /^(.*?)\\/,$1),"\n";
1112                         }
1113                         $prev = $s2;    # To warn about duplicates...
1114
1115                         ($nn,$ni)=($nums{$s2} =~ /^(.*?)\\(.*)$/);
1116                         if ($v) {
1117                                 print OUT "\textern int $s2; /* type unknown */ /* $nn $ni */\n";
1118                         } else {
1119                                 print OUT "\textern int $s2(); /* type unknown */ /* $nn $ni */\n";
1120                         }
1121                 }
1122         }
1123 }
1124
1125 sub print_def_file
1126 {
1127         (*OUT,my $name,*nums,my @symbols)=@_;
1128         my $n = 1; my @e; my @r; my @v; my $prev="";
1129         my $liboptions="";
1130
1131         if ($W32)
1132                 { $name.="32"; }
1133         elsif ($W16)
1134                 { $name.="16"; }
1135         elsif ($OS2)
1136                 { $liboptions = "INITINSTANCE\nDATA NONSHARED"; }
1137
1138         print OUT <<"EOF";
1139 ;
1140 ; Definition file for the DLL version of the $name library from OpenSSL
1141 ;
1142
1143 LIBRARY         $name   $liboptions
1144
1145 DESCRIPTION     'OpenSSL $name - http://www.openssl.org/'
1146
1147 EOF
1148
1149         if ($W16) {
1150                 print <<"EOF";
1151 CODE            PRELOAD MOVEABLE
1152 DATA            PRELOAD MOVEABLE SINGLE
1153
1154 EXETYPE         WINDOWS
1155
1156 HEAPSIZE        4096
1157 STACKSIZE       8192
1158
1159 EOF
1160         }
1161
1162         print "EXPORTS\n";
1163
1164         (@e)=grep(/^SSLeay(\{[0-9]+\})?\\.*?:.*?:FUNCTION/,@symbols);
1165         (@r)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:FUNCTION/ && !/^SSLeay(\{[0-9]+\})?\\.*?:.*?:FUNCTION/,@symbols);
1166         (@v)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:VARIABLE/,@symbols);
1167         @symbols=((sort @e),(sort @r), (sort @v));
1168
1169
1170         foreach $sym (@symbols) {
1171                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1172                 my $v = 0;
1173                 $v = 1 if $i =~ /^.*?:.*?:VARIABLE/;
1174                 if (!defined($nums{$s})) {
1175                         printf STDERR "Warning: $s does not have a number assigned\n"
1176                             if(!$do_update);
1177                 } else {
1178                         (my $n, my $dummy) = split /\\/, $nums{$s};
1179                         my %pf = ();
1180                         my $p = ($i =~ /^[^:]*:([^:]*):/,$1);
1181                         my $a = ($i =~ /^[^:]*:[^:]*:[^:]*:([^:]*)/,$1);
1182                         if (is_valid($p,1) && is_valid($a,0)) {
1183                                 my $s2 = ($s =~ /^(.*?)(\{[0-9]+\})?$/, $1);
1184                                 if ($prev eq $s2) {
1185                                         print STDERR "Warning: Symbol '",$s2,"' redefined. old=",($nums{$prev} =~ /^(.*?)\\/,$1),", new=",($nums{$s2} =~ /^(.*?)\\/,$1),"\n";
1186                                 }
1187                                 $prev = $s2;    # To warn about duplicates...
1188                                 if($v && !$OS2) {
1189                                         printf OUT "    %s%-39s @%-8d DATA\n",($W32)?"":"_",$s2,$n;
1190                                 } else {
1191                                         printf OUT "    %s%-39s @%d\n",($W32||$OS2)?"":"_",$s2,$n;
1192                                 }
1193                         }
1194                 }
1195         }
1196         printf OUT "\n";
1197 }
1198
1199 sub load_numbers
1200 {
1201         my($name)=@_;
1202         my(@a,%ret);
1203
1204         $max_num = 0;
1205         $num_noinfo = 0;
1206         $prev = "";
1207         $prev_cnt = 0;
1208
1209         open(IN,"<$name") || die "unable to open $name:$!\n";
1210         while (<IN>) {
1211                 chop;
1212                 s/#.*$//;
1213                 next if /^\s*$/;
1214                 @a=split;
1215                 if (defined $ret{$a[0]}) {
1216                         # This is actually perfectly OK
1217                         #print STDERR "Warning: Symbol '",$a[0],"' redefined. old=",$ret{$a[0]},", new=",$a[1],"\n";
1218                 }
1219                 if ($max_num > $a[1]) {
1220                         print STDERR "Warning: Number decreased from ",$max_num," to ",$a[1],"\n";
1221                 }
1222                 elsif ($max_num == $a[1]) {
1223                         # This is actually perfectly OK
1224                         #print STDERR "Warning: Symbol ",$a[0]," has same number as previous ",$prev,": ",$a[1],"\n";
1225                         if ($a[0] eq $prev) {
1226                                 $prev_cnt++;
1227                                 $a[0] .= "{$prev_cnt}";
1228                         }
1229                 }
1230                 else {
1231                         $prev_cnt = 0;
1232                 }
1233                 if ($#a < 2) {
1234                         # Existence will be proven later, in do_defs
1235                         $ret{$a[0]}=$a[1];
1236                         $num_noinfo++;
1237                 } else {
1238                         $ret{$a[0]}=$a[1]."\\".$a[2]; # \\ is a special marker
1239                 }
1240                 $max_num = $a[1] if $a[1] > $max_num;
1241                 $prev=$a[0];
1242         }
1243         if ($num_noinfo) {
1244                 print STDERR "Warning: $num_noinfo symbols were without info.";
1245                 if ($do_rewrite) {
1246                         printf STDERR "  The rewrite will fix this.\n";
1247                 } else {
1248                         printf STDERR "  You should do a rewrite to fix this.\n";
1249                 }
1250         }
1251         close(IN);
1252         return(%ret);
1253 }
1254
1255 sub parse_number
1256 {
1257         (my $str, my $what) = @_;
1258         (my $n, my $i) = split(/\\/,$str);
1259         if ($what eq "n") {
1260                 return $n;
1261         } else {
1262                 return $i;
1263         }
1264 }
1265
1266 sub rewrite_numbers
1267 {
1268         (*OUT,$name,*nums,@symbols)=@_;
1269         my $thing;
1270
1271         print STDERR "Rewriting $name\n";
1272
1273         my @r = grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:\w+\(\w+\)/,@symbols);
1274         my $r; my %r; my %rsyms;
1275         foreach $r (@r) {
1276                 (my $s, my $i) = split /\\/, $r;
1277                 my $a = $1 if $i =~ /^.*?:.*?:\w+\((\w+)\)/;
1278                 $i =~ s/^(.*?:.*?:\w+)\(\w+\)/$1/;
1279                 $r{$a} = $s."\\".$i;
1280                 $rsyms{$s} = 1;
1281         }
1282
1283         my %syms = ();
1284         foreach $_ (@symbols) {
1285                 (my $n, my $i) = split /\\/;
1286                 $syms{$n} = 1;
1287         }
1288
1289         my @s=sort {
1290             &parse_number($nums{$a},"n") <=> &parse_number($nums{$b},"n")
1291             || $a cmp $b
1292         } keys %nums;
1293         foreach $sym (@s) {
1294                 (my $n, my $i) = split /\\/, $nums{$sym};
1295                 next if defined($i) && $i =~ /^.*?:.*?:\w+\(\w+\)/;
1296                 next if defined($rsyms{$sym});
1297                 print STDERR "DEBUG: rewrite_numbers for sym = ",$sym,": i = ",$i,", n = ",$n,", rsym{sym} = ",$rsyms{$sym},"syms{sym} = ",$syms{$sym},"\n" if $debug;
1298                 $i="NOEXIST::FUNCTION:"
1299                         if !defined($i) || $i eq "" || !defined($syms{$sym});
1300                 my $s2 = $sym;
1301                 $s2 =~ s/\{[0-9]+\}$//;
1302                 printf OUT "%s%-39s %d\t%s\n","",$s2,$n,$i;
1303                 if (exists $r{$sym}) {
1304                         (my $s, $i) = split /\\/,$r{$sym};
1305                         my $s2 = $s;
1306                         $s2 =~ s/\{[0-9]+\}$//;
1307                         printf OUT "%s%-39s %d\t%s\n","",$s2,$n,$i;
1308                 }
1309         }
1310 }
1311
1312 sub update_numbers
1313 {
1314         (*OUT,$name,*nums,my $start_num, my @symbols)=@_;
1315         my $new_syms = 0;
1316
1317         print STDERR "Updating $name numbers\n";
1318
1319         my @r = grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:\w+\(\w+\)/,@symbols);
1320         my $r; my %r; my %rsyms;
1321         foreach $r (@r) {
1322                 (my $s, my $i) = split /\\/, $r;
1323                 my $a = $1 if $i =~ /^.*?:.*?:\w+\((\w+)\)/;
1324                 $i =~ s/^(.*?:.*?:\w+)\(\w+\)/$1/;
1325                 $r{$a} = $s."\\".$i;
1326                 $rsyms{$s} = 1;
1327         }
1328
1329         foreach $sym (@symbols) {
1330                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1331                 next if $i =~ /^.*?:.*?:\w+\(\w+\)/;
1332                 next if defined($rsyms{$sym});
1333                 die "ERROR: Symbol $sym had no info attached to it."
1334                     if $i eq "";
1335                 if (!exists $nums{$s}) {
1336                         $new_syms++;
1337                         my $s2 = $s;
1338                         $s2 =~ s/\{[0-9]+\}$//;
1339                         printf OUT "%s%-39s %d\t%s\n","",$s2, ++$start_num,$i;
1340                         if (exists $r{$s}) {
1341                                 ($s, $i) = split /\\/,$r{$s};
1342                                 $s =~ s/\{[0-9]+\}$//;
1343                                 printf OUT "%s%-39s %d\t%s\n","",$s, $start_num,$i;
1344                         }
1345                 }
1346         }
1347         if($new_syms) {
1348                 print STDERR "$new_syms New symbols added\n";
1349         } else {
1350                 print STDERR "No New symbols Added\n";
1351         }
1352 }
1353
1354 sub check_existing
1355 {
1356         (*nums, my @symbols)=@_;
1357         my %existing; my @remaining;
1358         @remaining=();
1359         foreach $sym (@symbols) {
1360                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1361                 $existing{$s}=1;
1362         }
1363         foreach $sym (keys %nums) {
1364                 if (!exists $existing{$sym}) {
1365                         push @remaining, $sym;
1366                 }
1367         }
1368         if(@remaining) {
1369                 print STDERR "The following symbols do not seem to exist:\n";
1370                 foreach $sym (@remaining) {
1371                         print STDERR "\t",$sym,"\n";
1372                 }
1373         }
1374 }
1375