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", "ENGINE", "HW",
  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; my $no_engine; my $no_hw;
 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; $no_mdc2=1; }
 159         elsif (/^no-bf$/)       { $no_bf=1; }
 160         elsif (/^no-cast$/)     { $no_cast=1; }
 161         elsif (/^no-md2$/)      { $no_md2=1; }
 162         elsif (/^no-md4$/)      { $no_md4=1; }
 163         elsif (/^no-md5$/)      { $no_md5=1; }
 164         elsif (/^no-sha$/)      { $no_sha=1; }
 165         elsif (/^no-ripemd$/)   { $no_ripemd=1; }
 166         elsif (/^no-mdc2$/)     { $no_mdc2=1; }
 167         elsif (/^no-rsa$/)      { $no_rsa=1; }
 168         elsif (/^no-dsa$/)      { $no_dsa=1; }
 169         elsif (/^no-dh$/)       { $no_dh=1; }
 170         elsif (/^no-ec$/)       { $no_ec=1; }
 171         elsif (/^no-ecdsa$/)    { $no_ecdsa=1; }
 172         elsif (/^no-ecdh$/)     { $no_ecdh=1; }
 173         elsif (/^no-hmac$/)     { $no_hmac=1; }
 174         elsif (/^no-aes$/)      { $no_aes=1; }
 175         elsif (/^no-evp$/)      { $no_evp=1; }
 176         elsif (/^no-lhash$/)    { $no_lhash=1; }
 177         elsif (/^no-stack$/)    { $no_stack=1; }
 178         elsif (/^no-err$/)      { $no_err=1; }
 179         elsif (/^no-buffer$/)   { $no_buffer=1; }
 180         elsif (/^no-bio$/)      { $no_bio=1; }
 181         #elsif (/^no-locking$/) { $no_locking=1; }
 182         elsif (/^no-comp$/)     { $no_comp=1; }
 183         elsif (/^no-dso$/)      { $no_dso=1; }
 184         elsif (/^no-krb5$/)     { $no_krb5=1; }
 185         elsif (/^no-engine$/)   { $no_engine=1; }
 186         elsif (/^no-hw$/)       { $no_hw=1; }
 187         }
 188
 189
 190 if (!$libname) {
 191         if ($do_ssl) {
 192                 $libname="SSLEAY";
 193         }
 194         if ($do_crypto) {
 195                 $libname="LIBEAY";
 196         }
 197 }
 198
 199 # If no platform is given, assume WIN32
 200 if ($W32 + $W16 + $VMS + $OS2 == 0) {
 201         $W32 = 1;
 202 }
 203
 204 # Add extra knowledge
 205 if ($W16) {
 206         $no_fp_api=1;
 207 }
 208
 209 if (!$do_ssl && !$do_crypto)
 210         {
 211         print STDERR "usage: $0 ( ssl | crypto ) [ 16 | 32 | NT | OS2 ]\n";
 212         exit(1);
 213         }
 214
 215 %ssl_list=&load_numbers($ssl_num);
 216 $max_ssl = $max_num;
 217 %crypto_list=&load_numbers($crypto_num);
 218 $max_crypto = $max_num;
 219
 220 my $ssl="ssl/ssl.h";
 221 $ssl.=" ssl/kssl.h";
 222
 223 my $crypto ="crypto/crypto.h";
 224 $crypto.=" crypto/des/des.h crypto/des/des_old.h" ; # unless $no_des;
 225 $crypto.=" crypto/idea/idea.h" ; # unless $no_idea;
 226 $crypto.=" crypto/rc4/rc4.h" ; # unless $no_rc4;
 227 $crypto.=" crypto/rc5/rc5.h" ; # unless $no_rc5;
 228 $crypto.=" crypto/rc2/rc2.h" ; # unless $no_rc2;
 229 $crypto.=" crypto/bf/blowfish.h" ; # unless $no_bf;
 230 $crypto.=" crypto/cast/cast.h" ; # unless $no_cast;
 231 $crypto.=" crypto/md2/md2.h" ; # unless $no_md2;
 232 $crypto.=" crypto/md4/md4.h" ; # unless $no_md4;
 233 $crypto.=" crypto/md5/md5.h" ; # unless $no_md5;
 234 $crypto.=" crypto/mdc2/mdc2.h" ; # unless $no_mdc2;
 235 $crypto.=" crypto/sha/sha.h" ; # unless $no_sha;
 236 $crypto.=" crypto/ripemd/ripemd.h" ; # unless $no_ripemd;
 237 $crypto.=" crypto/aes/aes.h" ; # unless $no_aes;
 238
 239 $crypto.=" crypto/bn/bn.h";
 240 $crypto.=" crypto/rsa/rsa.h" ; # unless $no_rsa;
 241 $crypto.=" crypto/dsa/dsa.h" ; # unless $no_dsa;
 242 $crypto.=" crypto/dh/dh.h" ; # unless $no_dh;
 243 $crypto.=" crypto/ec/ec.h" ; # unless $no_ec;
 244 $crypto.=" crypto/ecdsa/ecdsa.h" ; # unless $no_ecdsa;
 245 $crypto.=" crypto/ecdh/ecdh.h" ; # unless $no_ecdh;
 246 $crypto.=" crypto/hmac/hmac.h" ; # unless $no_hmac;
 247
 248 $crypto.=" crypto/engine/engine.h"; # unless $no_engine;
 249 $crypto.=" crypto/stack/stack.h" ; # unless $no_stack;
 250 $crypto.=" crypto/buffer/buffer.h" ; # unless $no_buffer;
 251 $crypto.=" crypto/bio/bio.h" ; # unless $no_bio;
 252 $crypto.=" crypto/dso/dso.h" ; # unless $no_dso;
 253 $crypto.=" crypto/lhash/lhash.h" ; # unless $no_lhash;
 254 $crypto.=" crypto/conf/conf.h";
 255 $crypto.=" crypto/txt_db/txt_db.h";
 256
 257 $crypto.=" crypto/evp/evp.h" ; # unless $no_evp;
 258 $crypto.=" crypto/objects/objects.h";
 259 $crypto.=" crypto/pem/pem.h";
 260 #$crypto.=" crypto/meth/meth.h";
 261 $crypto.=" crypto/asn1/asn1.h";
 262 $crypto.=" crypto/asn1/asn1t.h";
 263 $crypto.=" crypto/asn1/asn1_mac.h";
 264 $crypto.=" crypto/err/err.h" ; # unless $no_err;
 265 $crypto.=" crypto/pkcs7/pkcs7.h";
 266 $crypto.=" crypto/pkcs12/pkcs12.h";
 267 $crypto.=" crypto/x509/x509.h";
 268 $crypto.=" crypto/x509/x509_vfy.h";
 269 $crypto.=" crypto/x509v3/x509v3.h";
 270 $crypto.=" crypto/rand/rand.h";
 271 $crypto.=" crypto/comp/comp.h" ; # unless $no_comp;
 272 $crypto.=" crypto/ocsp/ocsp.h";
 273 $crypto.=" crypto/ui/ui.h crypto/ui/ui_compat.h";
 274 $crypto.=" crypto/krb5/krb5_asn.h";
 275 $crypto.=" crypto/tmdiff.h";
 276
 277 my $symhacks="crypto/symhacks.h";
 278
 279 my @ssl_symbols = &do_defs("SSLEAY", $ssl, $symhacks);
 280 my @crypto_symbols = &do_defs("LIBEAY", $crypto, $symhacks);
 281
 282 if ($do_update) {
 283
 284 if ($do_ssl == 1) {
 285
 286         &maybe_add_info("SSLEAY",*ssl_list,@ssl_symbols);
 287         if ($do_rewrite == 1) {
 288                 open(OUT, ">$ssl_num");
 289                 &rewrite_numbers(*OUT,"SSLEAY",*ssl_list,@ssl_symbols);
 290         } else {
 291                 open(OUT, ">>$ssl_num");
 292         }
 293         &update_numbers(*OUT,"SSLEAY",*ssl_list,$max_ssl,@ssl_symbols);
 294         close OUT;
 295 }
 296
 297 if($do_crypto == 1) {
 298
 299         &maybe_add_info("LIBEAY",*crypto_list,@crypto_symbols);
 300         if ($do_rewrite == 1) {
 301                 open(OUT, ">$crypto_num");
 302                 &rewrite_numbers(*OUT,"LIBEAY",*crypto_list,@crypto_symbols);
 303         } else {
 304                 open(OUT, ">>$crypto_num");
 305         }
 306         &update_numbers(*OUT,"LIBEAY",*crypto_list,$max_crypto,@crypto_symbols);
 307         close OUT;
 308 }
 309
 310 } elsif ($do_checkexist) {
 311         &check_existing(*ssl_list, @ssl_symbols)
 312                 if $do_ssl == 1;
 313         &check_existing(*crypto_list, @crypto_symbols)
 314                 if $do_crypto == 1;
 315 } elsif ($do_ctest || $do_ctestall) {
 316
 317         print <<"EOF";
 318
 319 /* Test file to check all DEF file symbols are present by trying
 320  * to link to all of them. This is *not* intended to be run!
 321  */
 322
 323 int main()
 324 {
 325 EOF
 326         &print_test_file(*STDOUT,"SSLEAY",*ssl_list,$do_ctestall,@ssl_symbols)
 327                 if $do_ssl == 1;
 328
 329         &print_test_file(*STDOUT,"LIBEAY",*crypto_list,$do_ctestall,@crypto_symbols)
 330                 if $do_crypto == 1;
 331
 332         print "}\n";
 333
 334 } else {
 335
 336         &print_def_file(*STDOUT,$libname,*ssl_list,@ssl_symbols)
 337                 if $do_ssl == 1;
 338
 339         &print_def_file(*STDOUT,$libname,*crypto_list,@crypto_symbols)
 340                 if $do_crypto == 1;
 341
 342 }
 343
 344
 345 sub do_defs
 346 {
 347         my($name,$files,$symhacksfile)=@_;
 348         my $file;
 349         my @ret;
 350         my %syms;
 351         my %platform;           # For anything undefined, we assume ""
 352         my %kind;               # For anything undefined, we assume "FUNCTION"
 353         my %algorithm;          # For anything undefined, we assume ""
 354         my %variant;
 355         my %variant_cnt;        # To be able to allocate "name{n}" if "name"
 356                                 # is the same name as the original.
 357         my $cpp;
 358         my %unknown_algorithms = ();
 359
 360         foreach $file (split(/\s+/,$symhacksfile." ".$files))
 361                 {
 362                 print STDERR "DEBUG: starting on $file:\n" if $debug;
 363                 open(IN,"<$file") || die "unable to open $file:$!\n";
 364                 my $line = "", my $def= "";
 365                 my %tag = (
 366                         (map { $_ => 0 } @known_platforms),
 367                         (map { "OPENSSL_SYS_".$_ => 0 } @known_ossl_platforms),
 368                         (map { "OPENSSL_NO_".$_ => 0 } @known_algorithms),
 369                         NOPROTO         => 0,
 370                         PERL5           => 0,
 371                         _WINDLL         => 0,
 372                         CONST_STRICT    => 0,
 373                         TRUE            => 1,
 374                 );
 375                 my $symhacking = $file eq $symhacksfile;
 376                 my @current_platforms = ();
 377                 my @current_algorithms = ();
 378
 379                 # params: symbol, alias, platforms, kind
 380                 # The reason to put this subroutine in a variable is that
 381                 # it will otherwise create it's own, unshared, version of
 382                 # %tag and %variant...
 383                 my $make_variant = sub
 384                 {
 385                         my ($s, $a, $p, $k) = @_;
 386                         my ($a1, $a2);
 387
 388                         print STDERR "DEBUG: make_variant: Entered with ",$s,", ",$a,", ",(defined($p)?$p:""),", ",(defined($k)?$k:""),"\n" if $debug;
 389                         if (defined($p))
 390                         {
 391                                 $a1 = join(",",$p,
 392                                            grep(!/^$/,
 393                                                 map { $tag{$_} == 1 ? $_ : "" }
 394                                                 @known_platforms));
 395                         }
 396                         else
 397                         {
 398                                 $a1 = join(",",
 399                                            grep(!/^$/,
 400                                                 map { $tag{$_} == 1 ? $_ : "" }
 401                                                 @known_platforms));
 402                         }
 403                         $a2 = join(",",
 404                                    grep(!/^$/,
 405                                         map { $tag{"OPENSSL_SYS_".$_} == 1 ? $_ : "" }
 406                                         @known_ossl_platforms));
 407                         print STDERR "DEBUG: make_variant: a1 = $a1; a2 = $a2\n" if $debug;
 408                         if ($a1 eq "") { $a1 = $a2; }
 409                         elsif ($a1 ne "" && $a2 ne "") { $a1 .= ",".$a2; }
 410                         if ($a eq $s)
 411                         {
 412                                 if (!defined($variant_cnt{$s}))
 413                                 {
 414                                         $variant_cnt{$s} = 0;
 415                                 }
 416                                 $variant_cnt{$s}++;
 417                                 $a .= "{$variant_cnt{$s}}";
 418                         }
 419                         my $toadd = $a.":".$a1.(defined($k)?":".$k:"");
 420                         my $togrep = $s.'(\{[0-9]+\})?:'.$a1.(defined($k)?":".$k:"");
 421                         if (!grep(/^$togrep$/,
 422                                   split(/;/, defined($variant{$s})?$variant{$s}:""))) {
 423                                 if (defined($variant{$s})) { $variant{$s} .= ";"; }
 424                                 $variant{$s} .= $toadd;
 425                         }
 426                         print STDERR "DEBUG: make_variant: Exit with variant of ",$s," = ",$variant{$s},"\n" if $debug;
 427                 };
 428
 429                 print STDERR "DEBUG: parsing ----------\n" if $debug;
 430                 while(<IN>) {
 431                         last if (/\/\* Error codes for the \w+ functions\. \*\//);
 432                         if ($line ne '') {
 433                                 $_ = $line . $_;
 434                                 $line = '';
 435                         }
 436
 437                         if (/\\$/) {
 438                                 chomp; # remove eol
 439                                 chop; # remove ending backslash
 440                                 $line = $_;
 441                                 next;
 442                         }
 443
 444                         $cpp = 1 if /^\#.*ifdef.*cplusplus/;
 445                         if ($cpp) {
 446                                 $cpp = 0 if /^\#.*endif/;
 447                                 next;
 448                         }
 449
 450                         s/\/\*.*?\*\///gs;                   # ignore comments
 451                         if (/\/\*/) {                        # if we have part
 452                                 $line = $_;                  # of a comment,
 453                                 next;                        # continue reading
 454                         }
 455                         s/{[^{}]*}//gs;                      # ignore {} blocks
 456                         print STDERR "DEBUG: \$def=\"$def\"\n" if $debug && $def ne "";
 457                         print STDERR "DEBUG: \$_=\"$_\"\n" if $debug;
 458                         if (/^\#\s*ifndef\s+(.*)/) {
 459                                 push(@tag,"-");
 460                                 push(@tag,$1);
 461                                 $tag{$1}=-1;
 462                                 print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
 463                         } elsif (/^\#\s*if\s+!defined\(([^\)]+)\)/) {
 464                                 push(@tag,"-");
 465                                 if (/^\#\s*if\s+(!defined\(([^\)]+)\)(\s+\&\&\s+!defined\(([^\)]+)\))*)$/) {
 466                                         my $tmp_1 = $1;
 467                                         my $tmp_;
 468                                         foreach $tmp_ (split '\&\&',$tmp_1) {
 469                                                 $tmp_ =~ /!defined\(([^\)]+)\)/;
 470                                                 print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
 471                                                 push(@tag,$1);
 472                                                 $tag{$1}=-1;
 473                                         }
 474                                 } else {
 475                                         print STDERR "Warning: $file: complicated expression: $_" if $debug; # because it is O...
 476                                         print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
 477                                         push(@tag,$1);
 478                                         $tag{$1}=-1;
 479                                 }
 480                         } elsif (/^\#\s*ifdef\s+(.*)/) {
 481                                 push(@tag,"-");
 482                                 push(@tag,$1);
 483                                 $tag{$1}=1;
 484                                 print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
 485                         } elsif (/^\#\s*if\s+defined\(([^\)]+)\)/) {
 486                                 push(@tag,"-");
 487                                 if (/^\#\s*if\s+(defined\(([^\)]+)\)(\s+\|\|\s+defined\(([^\)]+)\))*)$/) {
 488                                         my $tmp_1 = $1;
 489                                         my $tmp_;
 490                                         foreach $tmp_ (split '\|\|',$tmp_1) {
 491                                                 $tmp_ =~ /defined\(([^\)]+)\)/;
 492                                                 print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
 493                                                 push(@tag,$1);
 494                                                 $tag{$1}=1;
 495                                         }
 496                                 } else {
 497                                         print STDERR "Warning: $file: complicated expression: $_\n" if $debug; # because it is O...
 498                                         print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
 499                                         push(@tag,$1);
 500                                         $tag{$1}=1;
 501                                 }
 502                         } elsif (/^\#\s*error\s+(\w+) is disabled\./) {
 503                                 my $tag_i = $#tag;
 504                                 while($tag[$tag_i] ne "-") {
 505                                         if ($tag[$tag_i] eq "OPENSSL_NO_".$1) {
 506                                                 $tag{$tag[$tag_i]}=2;
 507                                                 print STDERR "DEBUG: $file: chaged tag $1 = 2\n" if $debug;
 508                                         }
 509                                         $tag_i--;
 510                                 }
 511                         } elsif (/^\#\s*endif/) {
 512                                 my $tag_i = $#tag;
 513                                 while($tag[$tag_i] ne "-") {
 514                                         my $t=$tag[$tag_i];
 515                                         print STDERR "DEBUG: \$t=\"$t\"\n" if $debug;
 516                                         if ($tag{$t}==2) {
 517                                                 $tag{$t}=-1;
 518                                         } else {
 519                                                 $tag{$t}=0;
 520                                         }
 521                                         print STDERR "DEBUG: $file: changed tag ",$t," = ",$tag{$t},"\n" if $debug;
 522                                         pop(@tag);
 523                                         if ($t =~ /^OPENSSL_NO_([A-Z0-9_]+)$/) {
 524                                                 $t=$1;
 525                                         } else {
 526                                                 $t="";
 527                                         }
 528                                         if ($t ne ""
 529                                             && !grep(/^$t$/, @known_algorithms)) {
 530                                                 $unknown_algorithms{$t} = 1;
 531                                                 #print STDERR "DEBUG: Added as unknown algorithm: $t\n" if $debug;
 532                                         }
 533                                         $tag_i--;
 534                                 }
 535                                 pop(@tag);
 536                         } elsif (/^\#\s*else/) {
 537                                 my $tag_i = $#tag;
 538                                 while($tag[$tag_i] ne "-") {
 539                                         my $t=$tag[$tag_i];
 540                                         $tag{$t}= -$tag{$t};
 541                                         print STDERR "DEBUG: $file: changed tag ",$t," = ",$tag{$t},"\n" if $debug;
 542                                         $tag_i--;
 543                                 }
 544                         } elsif (/^\#\s*if\s+1/) {
 545                                 push(@tag,"-");
 546                                 # Dummy tag
 547                                 push(@tag,"TRUE");
 548                                 $tag{"TRUE"}=1;
 549                                 print STDERR "DEBUG: $file: found 1\n" if $debug;
 550                         } elsif (/^\#\s*if\s+0/) {
 551                                 push(@tag,"-");
 552                                 # Dummy tag
 553                                 push(@tag,"TRUE");
 554                                 $tag{"TRUE"}=-1;
 555                                 print STDERR "DEBUG: $file: found 0\n" if $debug;
 556                         } elsif (/^\#\s*define\s+(\w+)\s+(\w+)/
 557                                  && $symhacking && $tag{'TRUE'} != -1) {
 558                                 # This is for aliasing.  When we find an alias,
 559                                 # we have to invert
 560                                 &$make_variant($1,$2);
 561                                 print STDERR "DEBUG: $file: defined $1 = $2\n" if $debug;
 562                         }
 563                         if (/^\#/) {
 564                                 @current_platforms =
 565                                     grep(!/^$/,
 566                                          map { $tag{$_} == 1 ? $_ :
 567                                                    $tag{$_} == -1 ? "!".$_  : "" }
 568                                          @known_platforms);
 569                                 push @current_platforms
 570                                     , grep(!/^$/,
 571                                            map { $tag{"OPENSSL_SYS_".$_} == 1 ? $_ :
 572                                                      $tag{"OPENSSL_SYS_".$_} == -1 ? "!".$_  : "" }
 573                                            @known_ossl_platforms);
 574                                 @current_algorithms =
 575                                     grep(!/^$/,
 576                                          map { $tag{"OPENSSL_NO_".$_} == -1 ? $_ : "" }
 577                                          @known_algorithms);
 578                                 $def .=
 579                                     "#INFO:"
 580                                         .join(',',@current_platforms).":"
 581                                             .join(',',@current_algorithms).";";
 582                                 next;
 583                         }
 584                         if ($tag{'TRUE'} != -1) {
 585                                 if (/^\s*DECLARE_STACK_OF\s*\(\s*(\w*)\s*\)/) {
 586                                         next;
 587                                 } elsif (/^\s*DECLARE_ASN1_ENCODE_FUNCTIONS\s*\(\s*(\w*)\s*,\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 588                                         $def .= "int d2i_$3(void);";
 589                                         $def .= "int i2d_$3(void);";
 590                                         # Variant for platforms that do not
 591                                         # have to access globale variables
 592                                         # in shared libraries through functions
 593                                         $def .=
 594                                             "#INFO:"
 595                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 596                                                     .join(',',@current_algorithms).";";
 597                                         $def .= "OPENSSL_EXTERN int $2_it;";
 598                                         $def .=
 599                                             "#INFO:"
 600                                                 .join(',',@current_platforms).":"
 601                                                     .join(',',@current_algorithms).";";
 602                                         # Variant for platforms that have to
 603                                         # access globale variables in shared
 604                                         # libraries through functions
 605                                         &$make_variant("$2_it","$2_it",
 606                                                       "EXPORT_VAR_AS_FUNCTION",
 607                                                       "FUNCTION");
 608                                         next;
 609                                 } elsif (/^\s*DECLARE_ASN1_FUNCTIONS_fname\s*\(\s*(\w*)\s*,\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 610                                         $def .= "int d2i_$3(void);";
 611                                         $def .= "int i2d_$3(void);";
 612                                         $def .= "int $3_free(void);";
 613                                         $def .= "int $3_new(void);";
 614                                         # Variant for platforms that do not
 615                                         # have to access globale variables
 616                                         # in shared libraries through functions
 617                                         $def .=
 618                                             "#INFO:"
 619                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 620                                                     .join(',',@current_algorithms).";";
 621                                         $def .= "OPENSSL_EXTERN int $2_it;";
 622                                         $def .=
 623                                             "#INFO:"
 624                                                 .join(',',@current_platforms).":"
 625                                                     .join(',',@current_algorithms).";";
 626                                         # Variant for platforms that have to
 627                                         # access globale variables in shared
 628                                         # libraries through functions
 629                                         &$make_variant("$2_it","$2_it",
 630                                                       "EXPORT_VAR_AS_FUNCTION",
 631                                                       "FUNCTION");
 632                                         next;
 633                                 } elsif (/^\s*DECLARE_ASN1_FUNCTIONS\s*\(\s*(\w*)\s*\)/ ||
 634                                          /^\s*DECLARE_ASN1_FUNCTIONS_const\s*\(\s*(\w*)\s*\)/) {
 635                                         $def .= "int d2i_$1(void);";
 636                                         $def .= "int i2d_$1(void);";
 637                                         $def .= "int $1_free(void);";
 638                                         $def .= "int $1_new(void);";
 639                                         # Variant for platforms that do not
 640                                         # have to access globale variables
 641                                         # in shared libraries through functions
 642                                         $def .=
 643                                             "#INFO:"
 644                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 645                                                     .join(',',@current_algorithms).";";
 646                                         $def .= "OPENSSL_EXTERN int $1_it;";
 647                                         $def .=
 648                                             "#INFO:"
 649                                                 .join(',',@current_platforms).":"
 650                                                     .join(',',@current_algorithms).";";
 651                                         # Variant for platforms that have to
 652                                         # access globale variables in shared
 653                                         # libraries through functions
 654                                         &$make_variant("$1_it","$1_it",
 655                                                       "EXPORT_VAR_AS_FUNCTION",
 656                                                       "FUNCTION");
 657                                         next;
 658                                 } elsif (/^\s*DECLARE_ASN1_ENCODE_FUNCTIONS_const\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 659                                         $def .= "int d2i_$2(void);";
 660                                         $def .= "int i2d_$2(void);";
 661                                         # Variant for platforms that do not
 662                                         # have to access globale variables
 663                                         # in shared libraries through functions
 664                                         $def .=
 665                                             "#INFO:"
 666                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 667                                                     .join(',',@current_algorithms).";";
 668                                         $def .= "OPENSSL_EXTERN int $2_it;";
 669                                         $def .=
 670                                             "#INFO:"
 671                                                 .join(',',@current_platforms).":"
 672                                                     .join(',',@current_algorithms).";";
 673                                         # Variant for platforms that have to
 674                                         # access globale variables in shared
 675                                         # libraries through functions
 676                                         &$make_variant("$2_it","$2_it",
 677                                                       "EXPORT_VAR_AS_FUNCTION",
 678                                                       "FUNCTION");
 679                                         next;
 680                                 } elsif (/^\s*DECLARE_ASN1_ALLOC_FUNCTIONS\s*\(\s*(\w*)\s*\)/) {
 681                                         $def .= "int $1_free(void);";
 682                                         $def .= "int $1_new(void);";
 683                                         next;
 684                                 } elsif (/^\s*DECLARE_ASN1_FUNCTIONS_name\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 685                                         $def .= "int d2i_$2(void);";
 686                                         $def .= "int i2d_$2(void);";
 687                                         $def .= "int $2_free(void);";
 688                                         $def .= "int $2_new(void);";
 689                                         # Variant for platforms that do not
 690                                         # have to access globale variables
 691                                         # in shared libraries through functions
 692                                         $def .=
 693                                             "#INFO:"
 694                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 695                                                     .join(',',@current_algorithms).";";
 696                                         $def .= "OPENSSL_EXTERN int $2_it;";
 697                                         $def .=
 698                                             "#INFO:"
 699                                                 .join(',',@current_platforms).":"
 700                                                     .join(',',@current_algorithms).";";
 701                                         # Variant for platforms that have to
 702                                         # access globale variables in shared
 703                                         # libraries through functions
 704                                         &$make_variant("$2_it","$2_it",
 705                                                       "EXPORT_VAR_AS_FUNCTION",
 706                                                       "FUNCTION");
 707                                         next;
 708                                 } elsif (/^\s*DECLARE_ASN1_ITEM\s*\(\s*(\w*)\s*\)/) {
 709                                         # Variant for platforms that do not
 710                                         # have to access globale variables
 711                                         # in shared libraries through functions
 712                                         $def .=
 713                                             "#INFO:"
 714                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 715                                                     .join(',',@current_algorithms).";";
 716                                         $def .= "OPENSSL_EXTERN int $1_it;";
 717                                         $def .=
 718                                             "#INFO:"
 719                                                 .join(',',@current_platforms).":"
 720                                                     .join(',',@current_algorithms).";";
 721                                         # Variant for platforms that have to
 722                                         # access globale variables in shared
 723                                         # libraries through functions
 724                                         &$make_variant("$1_it","$1_it",
 725                                                       "EXPORT_VAR_AS_FUNCTION",
 726                                                       "FUNCTION");
 727                                         next;
 728                                 } elsif (/^\s*DECLARE_ASN1_NDEF_FUNCTION\s*\(\s*(\w*)\s*\)/) {
 729                                         $def .= "int i2d_$1_NDEF(void);";
 730                                 } elsif (/^\s*DECLARE_ASN1_SET_OF\s*\(\s*(\w*)\s*\)/) {
 731                                         next;
 732                                 } elsif (/^\s*DECLARE_PKCS12_STACK_OF\s*\(\s*(\w*)\s*\)/) {
 733                                         next;
 734                                 } elsif (/^DECLARE_PEM_rw\s*\(\s*(\w*)\s*,/ ||
 735                                          /^DECLARE_PEM_rw_cb\s*\(\s*(\w*)\s*,/ ) {
 736                                         # Things not in Win16
 737                                         $def .=
 738                                             "#INFO:"
 739                                                 .join(',',"!WIN16",@current_platforms).":"
 740                                                     .join(',',@current_algorithms).";";
 741                                         $def .= "int PEM_read_$1(void);";
 742                                         $def .= "int PEM_write_$1(void);";
 743                                         $def .=
 744                                             "#INFO:"
 745                                                 .join(',',@current_platforms).":"
 746                                                     .join(',',@current_algorithms).";";
 747                                         # Things that are everywhere
 748                                         $def .= "int PEM_read_bio_$1(void);";
 749                                         $def .= "int PEM_write_bio_$1(void);";
 750                                         next;
 751                                 } elsif (/^DECLARE_PEM_write\s*\(\s*(\w*)\s*,/ ||
 752                                          /^DECLARE_PEM_write_cb\s*\(\s*(\w*)\s*,/ ) {
 753                                         # Things not in Win16
 754                                         $def .=
 755                                             "#INFO:"
 756                                                 .join(',',"!WIN16",@current_platforms).":"
 757                                                     .join(',',@current_algorithms).";";
 758                                         $def .= "int PEM_write_$1(void);";
 759                                         $def .=
 760                                             "#INFO:"
 761                                                 .join(',',@current_platforms).":"
 762                                                     .join(',',@current_algorithms).";";
 763                                         # Things that are everywhere
 764                                         $def .= "int PEM_write_bio_$1(void);";
 765                                         next;
 766                                 } elsif (/^DECLARE_PEM_read\s*\(\s*(\w*)\s*,/ ||
 767                                          /^DECLARE_PEM_read_cb\s*\(\s*(\w*)\s*,/ ) {
 768                                         # Things not in Win16
 769                                         $def .=
 770                                             "#INFO:"
 771                                                 .join(',',"!WIN16",@current_platforms).":"
 772                                                     .join(',',@current_algorithms).";";
 773                                         $def .= "int PEM_read_$1(void);";
 774                                         $def .=
 775                                             "#INFO:"
 776                                                 .join(',',@current_platforms).":"
 777                                                     .join(',',@current_algorithms).";";
 778                                         # Things that are everywhere
 779                                         $def .= "int PEM_read_bio_$1(void);";
 780                                         next;
 781                                 } elsif (/^OPENSSL_DECLARE_GLOBAL\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 782                                         # Variant for platforms that do not
 783                                         # have to access globale variables
 784                                         # in shared libraries through functions
 785                                         $def .=
 786                                             "#INFO:"
 787                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 788                                                     .join(',',@current_algorithms).";";
 789                                         $def .= "OPENSSL_EXTERN int _shadow_$2;";
 790                                         $def .=
 791                                             "#INFO:"
 792                                                 .join(',',@current_platforms).":"
 793                                                     .join(',',@current_algorithms).";";
 794                                         # Variant for platforms that have to
 795                                         # access globale variables in shared
 796                                         # libraries through functions
 797                                         &$make_variant("_shadow_$2","_shadow_$2",
 798                                                       "EXPORT_VAR_AS_FUNCTION",
 799                                                       "FUNCTION");
 800                                 } elsif ($tag{'CONST_STRICT'} != 1) {
 801                                         if (/\{|\/\*|\([^\)]*$/) {
 802                                                 $line = $_;
 803                                         } else {
 804                                                 $def .= $_;
 805                                         }
 806                                 }
 807                         }
 808                 }
 809                 close(IN);
 810
 811                 my $algs;
 812                 my $plays;
 813
 814                 print STDERR "DEBUG: postprocessing ----------\n" if $debug;
 815                 foreach (split /;/, $def) {
 816                         my $s; my $k = "FUNCTION"; my $p; my $a;
 817                         s/^[\n\s]*//g;
 818                         s/[\n\s]*$//g;
 819                         next if(/\#undef/);
 820                         next if(/typedef\W/);
 821                         next if(/\#define/);
 822
 823                         print STDERR "DEBUG: \$_ = \"$_\"\n" if $debug;
 824                         if (/^\#INFO:([^:]*):(.*)$/) {
 825                                 $plats = $1;
 826                                 $algs = $2;
 827                                 print STDERR "DEBUG: found info on platforms ($plats) and algorithms ($algs)\n" if $debug;
 828                                 next;
 829                         } elsif (/^\s*OPENSSL_EXTERN\s.*?(\w+(\{[0-9]+\})?)(\[[0-9]*\])*\s*$/) {
 830                                 $s = $1;
 831                                 $k = "VARIABLE";
 832                                 print STDERR "DEBUG: found external variable $s\n" if $debug;
 833                         } elsif (/\(\*(\w*(\{[0-9]+\})?)\([^\)]+/) {
 834                                 $s = $1;
 835                                 print STDERR "DEBUG: found ANSI C function $s\n" if $debug;
 836                         } elsif (/\w+\W+(\w+)\W*\(\s*\)(\s*__attribute__\(.*\)\s*)?$/s) {
 837                                 # K&R C
 838                                 print STDERR "DEBUG: found K&R C function $s\n" if $debug;
 839                                 next;
 840                         } elsif (/\w+\W+\w+(\{[0-9]+\})?\W*\(.*\)(\s*__attribute__\(.*\)\s*)?$/s) {
 841                                 while (not /\(\)(\s*__attribute__\(.*\)\s*)?$/s) {
 842                                         s/[^\(\)]*\)(\s*__attribute__\(.*\)\s*)?$/\)/s;
 843                                         s/\([^\(\)]*\)\)(\s*__attribute__\(.*\)\s*)?$/\)/s;
 844                                 }
 845                                 s/\(void\)//;
 846                                 /(\w+(\{[0-9]+\})?)\W*\(\)/s;
 847                                 $s = $1;
 848                                 print STDERR "DEBUG: found function $s\n" if $debug;
 849                         } elsif (/\(/ and not (/=/)) {
 850                                 print STDERR "File $file: cannot parse: $_;\n";
 851                                 next;
 852                         } else {
 853                                 next;
 854                         }
 855
 856                         $syms{$s} = 1;
 857                         $kind{$s} = $k;
 858
 859                         $p = $plats;
 860                         $a = $algs;
 861                         $a .= ",BF" if($s =~ /EVP_bf/);
 862                         $a .= ",CAST" if($s =~ /EVP_cast/);
 863                         $a .= ",DES" if($s =~ /EVP_des/);
 864                         $a .= ",DSA" if($s =~ /EVP_dss/);
 865                         $a .= ",IDEA" if($s =~ /EVP_idea/);
 866                         $a .= ",MD2" if($s =~ /EVP_md2/);
 867                         $a .= ",MD4" if($s =~ /EVP_md4/);
 868                         $a .= ",MD5" if($s =~ /EVP_md5/);
 869                         $a .= ",RC2" if($s =~ /EVP_rc2/);
 870                         $a .= ",RC4" if($s =~ /EVP_rc4/);
 871                         $a .= ",RC5" if($s =~ /EVP_rc5/);
 872                         $a .= ",RIPEMD" if($s =~ /EVP_ripemd/);
 873                         $a .= ",SHA" if($s =~ /EVP_sha/);
 874                         $a .= ",RSA" if($s =~ /EVP_(Open|Seal)(Final|Init)/);
 875                         $a .= ",RSA" if($s =~ /PEM_Seal(Final|Init|Update)/);
 876                         $a .= ",RSA" if($s =~ /RSAPrivateKey/);
 877                         $a .= ",RSA" if($s =~ /SSLv23?_((client|server)_)?method/);
 878
 879                         $platform{$s} =
 880                             &reduce_platforms((defined($platform{$s})?$platform{$s}.',':"").$p);
 881                         $algorithm{$s} .= ','.$a;
 882
 883                         if (defined($variant{$s})) {
 884                                 foreach $v (split /;/,$variant{$s}) {
 885                                         (my $r, my $p, my $k) = split(/:/,$v);
 886                                         my $ip = join ',',map({ /^!(.*)$/ ? $1 : "!".$_ } split /,/, $p);
 887                                         $syms{$r} = 1;
 888                                         if (!defined($k)) { $k = $kind{$s}; }
 889                                         $kind{$r} = $k."(".$s.")";
 890                                         $algorithm{$r} = $algorithm{$s};
 891                                         $platform{$r} = &reduce_platforms($platform{$s}.",".$p.",".$p);
 892                                         $platform{$s} = &reduce_platforms($platform{$s}.','.$ip.','.$ip);
 893                                         print STDERR "DEBUG: \$variant{\"$s\"} = ",$v,"; \$r = $r; \$p = ",$platform{$r},"; \$a = ",$algorithm{$r},"; \$kind = ",$kind{$r},"\n" if $debug;
 894                                 }
 895                         }
 896                         print STDERR "DEBUG: \$s = $s; \$p = ",$platform{$s},"; \$a = ",$algorithm{$s},"; \$kind = ",$kind{$s},"\n" if $debug;
 897                 }
 898         }
 899
 900         # Prune the returned symbols
 901
 902         delete $syms{"bn_dump1"};
 903         $platform{"BIO_s_log"} .= ",!WIN32,!WIN16,!macintosh";
 904
 905         $platform{"PEM_read_NS_CERT_SEQ"} = "VMS";
 906         $platform{"PEM_write_NS_CERT_SEQ"} = "VMS";
 907         $platform{"PEM_read_P8_PRIV_KEY_INFO"} = "VMS";
 908         $platform{"PEM_write_P8_PRIV_KEY_INFO"} = "VMS";
 909
 910         # Info we know about
 911
 912         push @ret, map { $_."\\".&info_string($_,"EXIST",
 913                                               $platform{$_},
 914                                               $kind{$_},
 915                                               $algorithm{$_}) } keys %syms;
 916
 917         if (keys %unknown_algorithms) {
 918                 print STDERR "WARNING: mkdef.pl doesn't know the following algorithms:\n";
 919                 print STDERR "\t",join("\n\t",keys %unknown_algorithms),"\n";
 920         }
 921         return(@ret);
 922 }
 923
 924 # Param: string of comma-separated platform-specs.
 925 sub reduce_platforms
 926 {
 927         my ($platforms) = @_;
 928         my $pl = defined($platforms) ? $platforms : "";
 929         my %p = map { $_ => 0 } split /,/, $pl;
 930         my $ret;
 931
 932         print STDERR "DEBUG: Entered reduce_platforms with \"$platforms\"\n"
 933             if $debug;
 934         # We do this, because if there's code like the following, it really
 935         # means the function exists in all cases and should therefore be
 936         # everywhere.  By increasing and decreasing, we may attain 0:
 937         #
 938         # ifndef WIN16
 939         #    int foo();
 940         # else
 941         #    int _fat foo();
 942         # endif
 943         foreach $platform (split /,/, $pl) {
 944                 if ($platform =~ /^!(.*)$/) {
 945                         $p{$1}--;
 946                 } else {
 947                         $p{$platform}++;
 948                 }
 949         }
 950         foreach $platform (keys %p) {
 951                 if ($p{$platform} == 0) { delete $p{$platform}; }
 952         }
 953
 954         delete $p{""};
 955
 956         $ret = join(',',sort(map { $p{$_} < 0 ? "!".$_ : $_ } keys %p));
 957         print STDERR "DEBUG: Exiting reduce_platforms with \"$ret\"\n"
 958             if $debug;
 959         return $ret;
 960 }
 961
 962 sub info_string {
 963         (my $symbol, my $exist, my $platforms, my $kind, my $algorithms) = @_;
 964
 965         my %a = defined($algorithms) ?
 966             map { $_ => 1 } split /,/, $algorithms : ();
 967         my $k = defined($kind) ? $kind : "FUNCTION";
 968         my $ret;
 969         my $p = &reduce_platforms($platforms);
 970
 971         delete $a{""};
 972
 973         $ret = $exist;
 974         $ret .= ":".$p;
 975         $ret .= ":".$k;
 976         $ret .= ":".join(',',sort keys %a);
 977         return $ret;
 978 }
 979
 980 sub maybe_add_info {
 981         (my $name, *nums, my @symbols) = @_;
 982         my $sym;
 983         my $new_info = 0;
 984         my %syms=();
 985
 986         print STDERR "Updating $name info\n";
 987         foreach $sym (@symbols) {
 988                 (my $s, my $i) = split /\\/, $sym;
 989                 if (defined($nums{$s})) {
 990                         $i =~ s/^(.*?:.*?:\w+)(\(\w+\))?/$1/;
 991                         (my $n, my $dummy) = split /\\/, $nums{$s};
 992                         if (!defined($dummy) || $i ne $dummy) {
 993                                 $nums{$s} = $n."\\".$i;
 994                                 $new_info++;
 995                                 print STDERR "DEBUG: maybe_add_info for $s: \"$dummy\" => \"$i\"\n" if $debug;
 996                         }
 997                 }
 998                 $syms{$s} = 1;
 999         }
1000
1001         my @s=sort { &parse_number($nums{$a},"n") <=> &parse_number($nums{$b},"n") } keys %nums;
1002         foreach $sym (@s) {
1003                 (my $n, my $i) = split /\\/, $nums{$sym};
1004                 if (!defined($syms{$sym}) && $i !~ /^NOEXIST:/) {
1005                         $new_info++;
1006                         print STDERR "DEBUG: maybe_add_info for $sym: -> undefined\n" if $debug;
1007                 }
1008         }
1009         if ($new_info) {
1010                 print STDERR "$new_info old symbols got an info update\n";
1011                 if (!$do_rewrite) {
1012                         print STDERR "You should do a rewrite to fix this.\n";
1013                 }
1014         } else {
1015                 print STDERR "No old symbols needed info update\n";
1016         }
1017 }
1018
1019 # Param: string of comma-separated keywords, each possibly prefixed with a "!"
1020 sub is_valid
1021 {
1022         my ($keywords_txt,$platforms) = @_;
1023         my (@keywords) = split /,/,$keywords_txt;
1024         my ($falsesum, $truesum) = (0, !grep(/^[^!]/,@keywords));
1025
1026         # Param: one keyword
1027         sub recognise
1028         {
1029                 my ($keyword,$platforms) = @_;
1030
1031                 if ($platforms) {
1032                         # platforms
1033                         if ($keyword eq "VMS" && $VMS) { return 1; }
1034                         if ($keyword eq "WIN32" && $W32) { return 1; }
1035                         if ($keyword eq "WIN16" && $W16) { return 1; }
1036                         if ($keyword eq "WINNT" && $NT) { return 1; }
1037                         if ($keyword eq "OS2" && $OS2) { return 1; }
1038                         # Special platforms:
1039                         # EXPORT_VAR_AS_FUNCTION means that global variables
1040                         # will be represented as functions.  This currently
1041                         # only happens on VMS-VAX.
1042                         if ($keyword eq "EXPORT_VAR_AS_FUNCTION" && ($VMSVAX || $W32 || $W16)) {
1043                                 return 1;
1044                         }
1045                         return 0;
1046                 } else {
1047                         # algorithms
1048                         if ($keyword eq "RC2" && $no_rc2) { return 0; }
1049                         if ($keyword eq "RC4" && $no_rc4) { return 0; }
1050                         if ($keyword eq "RC5" && $no_rc5) { return 0; }
1051                         if ($keyword eq "IDEA" && $no_idea) { return 0; }
1052                         if ($keyword eq "DES" && $no_des) { return 0; }
1053                         if ($keyword eq "BF" && $no_bf) { return 0; }
1054                         if ($keyword eq "CAST" && $no_cast) { return 0; }
1055                         if ($keyword eq "MD2" && $no_md2) { return 0; }
1056                         if ($keyword eq "MD4" && $no_md4) { return 0; }
1057                         if ($keyword eq "MD5" && $no_md5) { return 0; }
1058                         if ($keyword eq "SHA" && $no_sha) { return 0; }
1059                         if ($keyword eq "RIPEMD" && $no_ripemd) { return 0; }
1060                         if ($keyword eq "MDC2" && $no_mdc2) { return 0; }
1061                         if ($keyword eq "RSA" && $no_rsa) { return 0; }
1062                         if ($keyword eq "DSA" && $no_dsa) { return 0; }
1063                         if ($keyword eq "DH" && $no_dh) { return 0; }
1064                         if ($keyword eq "EC" && $no_ec) { return 0; }
1065                         if ($keyword eq "ECDSA" && $no_ecdsa) { return 0; }
1066                         if ($keyword eq "ECDH" && $no_ecdh) { return 0; }
1067                         if ($keyword eq "HMAC" && $no_hmac) { return 0; }
1068                         if ($keyword eq "AES" && $no_aes) { return 0; }
1069                         if ($keyword eq "EVP" && $no_evp) { return 0; }
1070                         if ($keyword eq "LHASH" && $no_lhash) { return 0; }
1071                         if ($keyword eq "STACK" && $no_stack) { return 0; }
1072                         if ($keyword eq "ERR" && $no_err) { return 0; }
1073                         if ($keyword eq "BUFFER" && $no_buffer) { return 0; }
1074                         if ($keyword eq "BIO" && $no_bio) { return 0; }
1075                         if ($keyword eq "COMP" && $no_comp) { return 0; }
1076                         if ($keyword eq "DSO" && $no_dso) { return 0; }
1077                         if ($keyword eq "KRB5" && $no_krb5) { return 0; }
1078                         if ($keyword eq "ENGINE" && $no_engine) { return 0; }
1079                         if ($keyword eq "HW" && $no_hw) { return 0; }
1080                         if ($keyword eq "FP_API" && $no_fp_api) { return 0; }
1081                         if ($keyword eq "STATIC_ENGINE" && $no_static_engine) { return 0; }
1082                         if ($keyword eq "DEPRECATED" && $no_deprecated) { return 0; }
1083
1084                         # Nothing recognise as true
1085                         return 1;
1086                 }
1087         }
1088
1089         foreach $k (@keywords) {
1090                 if ($k =~ /^!(.*)$/) {
1091                         $falsesum += &recognise($1,$platforms);
1092                 } else {
1093                         $truesum += &recognise($k,$platforms);
1094                 }
1095         }
1096         print STDERR "DEBUG: [",$#keywords,",",$#keywords < 0,"] is_valid($keywords_txt) => (\!$falsesum) && $truesum = ",(!$falsesum) && $truesum,"\n" if $debug;
1097         return (!$falsesum) && $truesum;
1098 }
1099
1100 sub print_test_file
1101 {
1102         (*OUT,my $name,*nums,my $testall,my @symbols)=@_;
1103         my $n = 1; my @e; my @r;
1104         my $sym; my $prev = ""; my $prefSSLeay;
1105
1106         (@e)=grep(/^SSLeay(\{[0-9]+\})?\\.*?:.*?:.*/,@symbols);
1107         (@r)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:.*/ && !/^SSLeay(\{[0-9]+\})?\\.*?:.*?:.*/,@symbols);
1108         @symbols=((sort @e),(sort @r));
1109
1110         foreach $sym (@symbols) {
1111                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1112                 my $v = 0;
1113                 $v = 1 if $i=~ /^.*?:.*?:VARIABLE/;
1114                 my $p = ($i =~ /^[^:]*:([^:]*):/,$1);
1115                 my $a = ($i =~ /^[^:]*:[^:]*:[^:]*:([^:]*)/,$1);
1116                 if (!defined($nums{$s})) {
1117                         print STDERR "Warning: $s does not have a number assigned\n"
1118                             if(!$do_update);
1119                 } elsif (is_valid($p,1) && is_valid($a,0)) {
1120                         my $s2 = ($s =~ /^(.*?)(\{[0-9]+\})?$/, $1);
1121                         if ($prev eq $s2) {
1122                                 print OUT "\t/* The following has already appeared previously */\n";
1123                                 print STDERR "Warning: Symbol '",$s2,"' redefined. old=",($nums{$prev} =~ /^(.*?)\\/,$1),", new=",($nums{$s2} =~ /^(.*?)\\/,$1),"\n";
1124                         }
1125                         $prev = $s2;    # To warn about duplicates...
1126
1127                         ($nn,$ni)=($nums{$s2} =~ /^(.*?)\\(.*)$/);
1128                         if ($v) {
1129                                 print OUT "\textern int $s2; /* type unknown */ /* $nn $ni */\n";
1130                         } else {
1131                                 print OUT "\textern int $s2(); /* type unknown */ /* $nn $ni */\n";
1132                         }
1133                 }
1134         }
1135 }
1136
1137 sub print_def_file
1138 {
1139         (*OUT,my $name,*nums,my @symbols)=@_;
1140         my $n = 1; my @e; my @r; my @v; my $prev="";
1141         my $liboptions="";
1142
1143         if ($W32)
1144                 { $name.="32"; }
1145         elsif ($W16)
1146                 { $name.="16"; }
1147         elsif ($OS2)
1148                 { $liboptions = "INITINSTANCE\nDATA NONSHARED"; }
1149
1150         print OUT <<"EOF";
1151 ;
1152 ; Definition file for the DLL version of the $name library from OpenSSL
1153 ;
1154
1155 LIBRARY         $name   $liboptions
1156
1157 DESCRIPTION     'OpenSSL $name - http://www.openssl.org/'
1158
1159 EOF
1160
1161         if ($W16) {
1162                 print <<"EOF";
1163 CODE            PRELOAD MOVEABLE
1164 DATA            PRELOAD MOVEABLE SINGLE
1165
1166 EXETYPE         WINDOWS
1167
1168 HEAPSIZE        4096
1169 STACKSIZE       8192
1170
1171 EOF
1172         }
1173
1174         print "EXPORTS\n";
1175
1176         (@e)=grep(/^SSLeay(\{[0-9]+\})?\\.*?:.*?:FUNCTION/,@symbols);
1177         (@r)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:FUNCTION/ && !/^SSLeay(\{[0-9]+\})?\\.*?:.*?:FUNCTION/,@symbols);
1178         (@v)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:VARIABLE/,@symbols);
1179         @symbols=((sort @e),(sort @r), (sort @v));
1180
1181
1182         foreach $sym (@symbols) {
1183                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1184                 my $v = 0;
1185                 $v = 1 if $i =~ /^.*?:.*?:VARIABLE/;
1186                 if (!defined($nums{$s})) {
1187                         printf STDERR "Warning: $s does not have a number assigned\n"
1188                             if(!$do_update);
1189                 } else {
1190                         (my $n, my $dummy) = split /\\/, $nums{$s};
1191                         my %pf = ();
1192                         my $p = ($i =~ /^[^:]*:([^:]*):/,$1);
1193                         my $a = ($i =~ /^[^:]*:[^:]*:[^:]*:([^:]*)/,$1);
1194                         if (is_valid($p,1) && is_valid($a,0)) {
1195                                 my $s2 = ($s =~ /^(.*?)(\{[0-9]+\})?$/, $1);
1196                                 if ($prev eq $s2) {
1197                                         print STDERR "Warning: Symbol '",$s2,"' redefined. old=",($nums{$prev} =~ /^(.*?)\\/,$1),", new=",($nums{$s2} =~ /^(.*?)\\/,$1),"\n";
1198                                 }
1199                                 $prev = $s2;    # To warn about duplicates...
1200                                 if($v && !$OS2) {
1201                                         printf OUT "    %s%-39s @%-8d DATA\n",($W32)?"":"_",$s2,$n;
1202                                 } else {
1203                                         printf OUT "    %s%-39s @%d\n",($W32||$OS2)?"":"_",$s2,$n;
1204                                 }
1205                         }
1206                 }
1207         }
1208         printf OUT "\n";
1209 }
1210
1211 sub load_numbers
1212 {
1213         my($name)=@_;
1214         my(@a,%ret);
1215
1216         $max_num = 0;
1217         $num_noinfo = 0;
1218         $prev = "";
1219         $prev_cnt = 0;
1220
1221         open(IN,"<$name") || die "unable to open $name:$!\n";
1222         while (<IN>) {
1223                 chop;
1224                 s/#.*$//;
1225                 next if /^\s*$/;
1226                 @a=split;
1227                 if (defined $ret{$a[0]}) {
1228                         # This is actually perfectly OK
1229                         #print STDERR "Warning: Symbol '",$a[0],"' redefined. old=",$ret{$a[0]},", new=",$a[1],"\n";
1230                 }
1231                 if ($max_num > $a[1]) {
1232                         print STDERR "Warning: Number decreased from ",$max_num," to ",$a[1],"\n";
1233                 }
1234                 elsif ($max_num == $a[1]) {
1235                         # This is actually perfectly OK
1236                         #print STDERR "Warning: Symbol ",$a[0]," has same number as previous ",$prev,": ",$a[1],"\n";
1237                         if ($a[0] eq $prev) {
1238                                 $prev_cnt++;
1239                                 $a[0] .= "{$prev_cnt}";
1240                         }
1241                 }
1242                 else {
1243                         $prev_cnt = 0;
1244                 }
1245                 if ($#a < 2) {
1246                         # Existence will be proven later, in do_defs
1247                         $ret{$a[0]}=$a[1];
1248                         $num_noinfo++;
1249                 } else {
1250                         $ret{$a[0]}=$a[1]."\\".$a[2]; # \\ is a special marker
1251                 }
1252                 $max_num = $a[1] if $a[1] > $max_num;
1253                 $prev=$a[0];
1254         }
1255         if ($num_noinfo) {
1256                 print STDERR "Warning: $num_noinfo symbols were without info.";
1257                 if ($do_rewrite) {
1258                         printf STDERR "  The rewrite will fix this.\n";
1259                 } else {
1260                         printf STDERR "  You should do a rewrite to fix this.\n";
1261                 }
1262         }
1263         close(IN);
1264         return(%ret);
1265 }
1266
1267 sub parse_number
1268 {
1269         (my $str, my $what) = @_;
1270         (my $n, my $i) = split(/\\/,$str);
1271         if ($what eq "n") {
1272                 return $n;
1273         } else {
1274                 return $i;
1275         }
1276 }
1277
1278 sub rewrite_numbers
1279 {
1280         (*OUT,$name,*nums,@symbols)=@_;
1281         my $thing;
1282
1283         print STDERR "Rewriting $name\n";
1284
1285         my @r = grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:\w+\(\w+\)/,@symbols);
1286         my $r; my %r; my %rsyms;
1287         foreach $r (@r) {
1288                 (my $s, my $i) = split /\\/, $r;
1289                 my $a = $1 if $i =~ /^.*?:.*?:\w+\((\w+)\)/;
1290                 $i =~ s/^(.*?:.*?:\w+)\(\w+\)/$1/;
1291                 $r{$a} = $s."\\".$i;
1292                 $rsyms{$s} = 1;
1293         }
1294
1295         my %syms = ();
1296         foreach $_ (@symbols) {
1297                 (my $n, my $i) = split /\\/;
1298                 $syms{$n} = 1;
1299         }
1300
1301         my @s=sort {
1302             &parse_number($nums{$a},"n") <=> &parse_number($nums{$b},"n")
1303             || $a cmp $b
1304         } keys %nums;
1305         foreach $sym (@s) {
1306                 (my $n, my $i) = split /\\/, $nums{$sym};
1307                 next if defined($i) && $i =~ /^.*?:.*?:\w+\(\w+\)/;
1308                 next if defined($rsyms{$sym});
1309                 print STDERR "DEBUG: rewrite_numbers for sym = ",$sym,": i = ",$i,", n = ",$n,", rsym{sym} = ",$rsyms{$sym},"syms{sym} = ",$syms{$sym},"\n" if $debug;
1310                 $i="NOEXIST::FUNCTION:"
1311                         if !defined($i) || $i eq "" || !defined($syms{$sym});
1312                 my $s2 = $sym;
1313                 $s2 =~ s/\{[0-9]+\}$//;
1314                 printf OUT "%s%-39s %d\t%s\n","",$s2,$n,$i;
1315                 if (exists $r{$sym}) {
1316                         (my $s, $i) = split /\\/,$r{$sym};
1317                         my $s2 = $s;
1318                         $s2 =~ s/\{[0-9]+\}$//;
1319                         printf OUT "%s%-39s %d\t%s\n","",$s2,$n,$i;
1320                 }
1321         }
1322 }
1323
1324 sub update_numbers
1325 {
1326         (*OUT,$name,*nums,my $start_num, my @symbols)=@_;
1327         my $new_syms = 0;
1328
1329         print STDERR "Updating $name numbers\n";
1330
1331         my @r = grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:\w+\(\w+\)/,@symbols);
1332         my $r; my %r; my %rsyms;
1333         foreach $r (@r) {
1334                 (my $s, my $i) = split /\\/, $r;
1335                 my $a = $1 if $i =~ /^.*?:.*?:\w+\((\w+)\)/;
1336                 $i =~ s/^(.*?:.*?:\w+)\(\w+\)/$1/;
1337                 $r{$a} = $s."\\".$i;
1338                 $rsyms{$s} = 1;
1339         }
1340
1341         foreach $sym (@symbols) {
1342                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1343                 next if $i =~ /^.*?:.*?:\w+\(\w+\)/;
1344                 next if defined($rsyms{$sym});
1345                 die "ERROR: Symbol $sym had no info attached to it."
1346                     if $i eq "";
1347                 if (!exists $nums{$s}) {
1348                         $new_syms++;
1349                         my $s2 = $s;
1350                         $s2 =~ s/\{[0-9]+\}$//;
1351                         printf OUT "%s%-39s %d\t%s\n","",$s2, ++$start_num,$i;
1352                         if (exists $r{$s}) {
1353                                 ($s, $i) = split /\\/,$r{$s};
1354                                 $s =~ s/\{[0-9]+\}$//;
1355                                 printf OUT "%s%-39s %d\t%s\n","",$s, $start_num,$i;
1356                         }
1357                 }
1358         }
1359         if($new_syms) {
1360                 print STDERR "$new_syms New symbols added\n";
1361         } else {
1362                 print STDERR "No New symbols Added\n";
1363         }
1364 }
1365
1366 sub check_existing
1367 {
1368         (*nums, my @symbols)=@_;
1369         my %existing; my @remaining;
1370         @remaining=();
1371         foreach $sym (@symbols) {
1372                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1373                 $existing{$s}=1;
1374         }
1375         foreach $sym (keys %nums) {
1376                 if (!exists $existing{$sym}) {
1377                         push @remaining, $sym;
1378                 }
1379         }
1380         if(@remaining) {
1381                 print STDERR "The following symbols do not seem to exist:\n";
1382                 foreach $sym (@remaining) {
1383                         print STDERR "\t",$sym,"\n";
1384                 }
1385         }
1386 }
1387