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                          "SHA256", "SHA512", "RIPEMD",
  87                          "MDC2", "WHIRLPOOL", "RSA", "DSA", "DH", "EC", "ECDH", "ECDSA",
  88                          "HMAC", "AES", "CAMELLIA", "SEED", "GOST",
  89                          # Envelope "algorithms"
  90                          "EVP", "X509", "ASN1_TYPEDEFS",
  91                          # Helper "algorithms"
  92                          "BIO", "COMP", "BUFFER", "LHASH", "STACK", "ERR",
  93                          "LOCKING",
  94                          # External "algorithms"
  95                          "FP_API", "STDIO", "SOCK", "KRB5", "DGRAM",
  96                          # Engines
  97                          "STATIC_ENGINE", "ENGINE", "HW", "GMP",
  98                          # RFC3779
  99                          "RFC3779",
 100                          # TLS
 101                          "TLSEXT", "PSK",
 102                          # Deprecated functions
 103                          "DEPRECATED" );
 104
 105 my $options="";
 106 open(IN,"<Makefile") || die "unable to open Makefile!\n";
 107 while(<IN>) {
 108     $options=$1 if (/^OPTIONS=(.*)$/);
 109 }
 110 close(IN);
 111
 112 # The following ciphers may be excluded (by Configure). This means functions
 113 # defined with ifndef(NO_XXX) are not included in the .def file, and everything
 114 # in directory xxx is ignored.
 115 my $no_rc2; my $no_rc4; my $no_rc5; my $no_idea; my $no_des; my $no_bf;
 116 my $no_cast; my $no_whirlpool; my $no_camellia; my $no_seed;
 117 my $no_md2; my $no_md4; my $no_md5; my $no_sha; my $no_ripemd; my $no_mdc2;
 118 my $no_rsa; my $no_dsa; my $no_dh; my $no_hmac=0; my $no_aes; my $no_krb5;
 119 my $no_ec; my $no_ecdsa; my $no_ecdh; my $no_engine; my $no_hw;
 120 my $no_fp_api; my $no_static_engine=1; my $no_gmp; my $no_deprecated;
 121 my $no_rfc3779; my $no_psk; my $no_tlsext;
 122
 123
 124 foreach (@ARGV, split(/ /, $options))
 125         {
 126         $debug=1 if $_ eq "debug";
 127         $W32=1 if $_ eq "32";
 128         $W16=1 if $_ eq "16";
 129         if($_ eq "NT") {
 130                 $W32 = 1;
 131                 $NT = 1;
 132         }
 133         if ($_ eq "VMS-VAX") {
 134                 $VMS=1;
 135                 $VMSVAX=1;
 136         }
 137         if ($_ eq "VMS-Alpha") {
 138                 $VMS=1;
 139                 $VMSAlpha=1;
 140         }
 141         $VMS=1 if $_ eq "VMS";
 142         $OS2=1 if $_ eq "OS2";
 143
 144         $do_ssl=1 if $_ eq "ssleay";
 145         if ($_ eq "ssl") {
 146                 $do_ssl=1;
 147                 $libname=$_
 148         }
 149         $do_crypto=1 if $_ eq "libeay";
 150         if ($_ eq "crypto") {
 151                 $do_crypto=1;
 152                 $libname=$_;
 153         }
 154         $no_static_engine=1 if $_ eq "no-static-engine";
 155         $no_static_engine=0 if $_ eq "enable-static-engine";
 156         $do_update=1 if $_ eq "update";
 157         $do_rewrite=1 if $_ eq "rewrite";
 158         $do_ctest=1 if $_ eq "ctest";
 159         $do_ctestall=1 if $_ eq "ctestall";
 160         $do_checkexist=1 if $_ eq "exist";
 161         #$safe_stack_def=1 if $_ eq "-DDEBUG_SAFESTACK";
 162
 163         if    (/^no-rc2$/)      { $no_rc2=1; }
 164         elsif (/^no-rc4$/)      { $no_rc4=1; }
 165         elsif (/^no-rc5$/)      { $no_rc5=1; }
 166         elsif (/^no-idea$/)     { $no_idea=1; }
 167         elsif (/^no-des$/)      { $no_des=1; $no_mdc2=1; }
 168         elsif (/^no-bf$/)       { $no_bf=1; }
 169         elsif (/^no-cast$/)     { $no_cast=1; }
 170         elsif (/^no-whirlpool$/)     { $no_whirlpool=1; }
 171         elsif (/^no-md2$/)      { $no_md2=1; }
 172         elsif (/^no-md4$/)      { $no_md4=1; }
 173         elsif (/^no-md5$/)      { $no_md5=1; }
 174         elsif (/^no-sha$/)      { $no_sha=1; }
 175         elsif (/^no-ripemd$/)   { $no_ripemd=1; }
 176         elsif (/^no-mdc2$/)     { $no_mdc2=1; }
 177         elsif (/^no-rsa$/)      { $no_rsa=1; }
 178         elsif (/^no-dsa$/)      { $no_dsa=1; }
 179         elsif (/^no-dh$/)       { $no_dh=1; }
 180         elsif (/^no-ec$/)       { $no_ec=1; }
 181         elsif (/^no-ecdsa$/)    { $no_ecdsa=1; }
 182         elsif (/^no-ecdh$/)     { $no_ecdh=1; }
 183         elsif (/^no-hmac$/)     { $no_hmac=1; }
 184         elsif (/^no-aes$/)      { $no_aes=1; }
 185         elsif (/^no-camellia$/) { $no_camellia=1; }
 186         elsif (/^no-seed$/)     { $no_seed=1; }
 187         elsif (/^no-evp$/)      { $no_evp=1; }
 188         elsif (/^no-lhash$/)    { $no_lhash=1; }
 189         elsif (/^no-stack$/)    { $no_stack=1; }
 190         elsif (/^no-err$/)      { $no_err=1; }
 191         elsif (/^no-buffer$/)   { $no_buffer=1; }
 192         elsif (/^no-bio$/)      { $no_bio=1; }
 193         #elsif (/^no-locking$/) { $no_locking=1; }
 194         elsif (/^no-comp$/)     { $no_comp=1; }
 195         elsif (/^no-dso$/)      { $no_dso=1; }
 196         elsif (/^no-krb5$/)     { $no_krb5=1; }
 197         elsif (/^no-engine$/)   { $no_engine=1; }
 198         elsif (/^no-hw$/)       { $no_hw=1; }
 199         elsif (/^no-gmp$/)      { $no_gmp=1; }
 200         elsif (/^no-rfc3779$/)  { $no_rfc3779=1; }
 201         }
 202
 203
 204 if (!$libname) {
 205         if ($do_ssl) {
 206                 $libname="SSLEAY";
 207         }
 208         if ($do_crypto) {
 209                 $libname="LIBEAY";
 210         }
 211 }
 212
 213 # If no platform is given, assume WIN32
 214 if ($W32 + $W16 + $VMS + $OS2 == 0) {
 215         $W32 = 1;
 216 }
 217
 218 # Add extra knowledge
 219 if ($W16) {
 220         $no_fp_api=1;
 221 }
 222
 223 if (!$do_ssl && !$do_crypto)
 224         {
 225         print STDERR "usage: $0 ( ssl | crypto ) [ 16 | 32 | NT | OS2 ]\n";
 226         exit(1);
 227         }
 228
 229 %ssl_list=&load_numbers($ssl_num);
 230 $max_ssl = $max_num;
 231 %crypto_list=&load_numbers($crypto_num);
 232 $max_crypto = $max_num;
 233
 234 my $ssl="ssl/ssl.h";
 235 $ssl.=" ssl/kssl.h";
 236 $ssl.=" ssl/tls1.h";
 237
 238 my $crypto ="crypto/crypto.h";
 239 $crypto.=" crypto/o_dir.h";
 240 $crypto.=" crypto/des/des.h crypto/des/des_old.h" ; # unless $no_des;
 241 $crypto.=" crypto/idea/idea.h" ; # unless $no_idea;
 242 $crypto.=" crypto/rc4/rc4.h" ; # unless $no_rc4;
 243 $crypto.=" crypto/rc5/rc5.h" ; # unless $no_rc5;
 244 $crypto.=" crypto/rc2/rc2.h" ; # unless $no_rc2;
 245 $crypto.=" crypto/bf/blowfish.h" ; # unless $no_bf;
 246 $crypto.=" crypto/cast/cast.h" ; # unless $no_cast;
 247 $crypto.=" crypto/whrlpool/whrlpool.h" ;
 248 $crypto.=" crypto/md2/md2.h" ; # unless $no_md2;
 249 $crypto.=" crypto/md4/md4.h" ; # unless $no_md4;
 250 $crypto.=" crypto/md5/md5.h" ; # unless $no_md5;
 251 $crypto.=" crypto/mdc2/mdc2.h" ; # unless $no_mdc2;
 252 $crypto.=" crypto/sha/sha.h" ; # unless $no_sha;
 253 $crypto.=" crypto/ripemd/ripemd.h" ; # unless $no_ripemd;
 254 $crypto.=" crypto/aes/aes.h" ; # unless $no_aes;
 255 $crypto.=" crypto/camellia/camellia.h" ; # unless $no_camellia;
 256 $crypto.=" crypto/seed/seed.h"; # unless $no_seed;
 257
 258 $crypto.=" crypto/bn/bn.h";
 259 $crypto.=" crypto/rsa/rsa.h" ; # unless $no_rsa;
 260 $crypto.=" crypto/dsa/dsa.h" ; # unless $no_dsa;
 261 $crypto.=" crypto/dh/dh.h" ; # unless $no_dh;
 262 $crypto.=" crypto/ec/ec.h" ; # unless $no_ec;
 263 $crypto.=" crypto/ecdsa/ecdsa.h" ; # unless $no_ecdsa;
 264 $crypto.=" crypto/ecdh/ecdh.h" ; # unless $no_ecdh;
 265 $crypto.=" crypto/hmac/hmac.h" ; # unless $no_hmac;
 266
 267 $crypto.=" crypto/engine/engine.h"; # unless $no_engine;
 268 $crypto.=" crypto/stack/stack.h" ; # unless $no_stack;
 269 $crypto.=" crypto/buffer/buffer.h" ; # unless $no_buffer;
 270 $crypto.=" crypto/bio/bio.h" ; # unless $no_bio;
 271 $crypto.=" crypto/dso/dso.h" ; # unless $no_dso;
 272 $crypto.=" crypto/lhash/lhash.h" ; # unless $no_lhash;
 273 $crypto.=" crypto/conf/conf.h";
 274 $crypto.=" crypto/txt_db/txt_db.h";
 275
 276 $crypto.=" crypto/evp/evp.h" ; # unless $no_evp;
 277 $crypto.=" crypto/objects/objects.h";
 278 $crypto.=" crypto/pem/pem.h";
 279 #$crypto.=" crypto/meth/meth.h";
 280 $crypto.=" crypto/asn1/asn1.h";
 281 $crypto.=" crypto/asn1/asn1t.h";
 282 $crypto.=" crypto/asn1/asn1_mac.h";
 283 $crypto.=" crypto/err/err.h" ; # unless $no_err;
 284 $crypto.=" crypto/pkcs7/pkcs7.h";
 285 $crypto.=" crypto/pkcs12/pkcs12.h";
 286 $crypto.=" crypto/x509/x509.h";
 287 $crypto.=" crypto/x509/x509_vfy.h";
 288 $crypto.=" crypto/x509v3/x509v3.h";
 289 $crypto.=" crypto/ts/ts.h";
 290 $crypto.=" crypto/rand/rand.h";
 291 $crypto.=" crypto/comp/comp.h" ; # unless $no_comp;
 292 $crypto.=" crypto/ocsp/ocsp.h";
 293 $crypto.=" crypto/ui/ui.h crypto/ui/ui_compat.h";
 294 $crypto.=" crypto/krb5/krb5_asn.h";
 295 $crypto.=" crypto/store/store.h";
 296 $crypto.=" crypto/pqueue/pqueue.h";
 297
 298 my $symhacks="crypto/symhacks.h";
 299
 300 my @ssl_symbols = &do_defs("SSLEAY", $ssl, $symhacks);
 301 my @crypto_symbols = &do_defs("LIBEAY", $crypto, $symhacks);
 302
 303 if ($do_update) {
 304
 305 if ($do_ssl == 1) {
 306
 307         &maybe_add_info("SSLEAY",*ssl_list,@ssl_symbols);
 308         if ($do_rewrite == 1) {
 309                 open(OUT, ">$ssl_num");
 310                 &rewrite_numbers(*OUT,"SSLEAY",*ssl_list,@ssl_symbols);
 311         } else {
 312                 open(OUT, ">>$ssl_num");
 313         }
 314         &update_numbers(*OUT,"SSLEAY",*ssl_list,$max_ssl,@ssl_symbols);
 315         close OUT;
 316 }
 317
 318 if($do_crypto == 1) {
 319
 320         &maybe_add_info("LIBEAY",*crypto_list,@crypto_symbols);
 321         if ($do_rewrite == 1) {
 322                 open(OUT, ">$crypto_num");
 323                 &rewrite_numbers(*OUT,"LIBEAY",*crypto_list,@crypto_symbols);
 324         } else {
 325                 open(OUT, ">>$crypto_num");
 326         }
 327         &update_numbers(*OUT,"LIBEAY",*crypto_list,$max_crypto,@crypto_symbols);
 328         close OUT;
 329 }
 330
 331 } elsif ($do_checkexist) {
 332         &check_existing(*ssl_list, @ssl_symbols)
 333                 if $do_ssl == 1;
 334         &check_existing(*crypto_list, @crypto_symbols)
 335                 if $do_crypto == 1;
 336 } elsif ($do_ctest || $do_ctestall) {
 337
 338         print <<"EOF";
 339
 340 /* Test file to check all DEF file symbols are present by trying
 341  * to link to all of them. This is *not* intended to be run!
 342  */
 343
 344 int main()
 345 {
 346 EOF
 347         &print_test_file(*STDOUT,"SSLEAY",*ssl_list,$do_ctestall,@ssl_symbols)
 348                 if $do_ssl == 1;
 349
 350         &print_test_file(*STDOUT,"LIBEAY",*crypto_list,$do_ctestall,@crypto_symbols)
 351                 if $do_crypto == 1;
 352
 353         print "}\n";
 354
 355 } else {
 356
 357         &print_def_file(*STDOUT,$libname,*ssl_list,@ssl_symbols)
 358                 if $do_ssl == 1;
 359
 360         &print_def_file(*STDOUT,$libname,*crypto_list,@crypto_symbols)
 361                 if $do_crypto == 1;
 362
 363 }
 364
 365
 366 sub do_defs
 367 {
 368         my($name,$files,$symhacksfile)=@_;
 369         my $file;
 370         my @ret;
 371         my %syms;
 372         my %platform;           # For anything undefined, we assume ""
 373         my %kind;               # For anything undefined, we assume "FUNCTION"
 374         my %algorithm;          # For anything undefined, we assume ""
 375         my %variant;
 376         my %variant_cnt;        # To be able to allocate "name{n}" if "name"
 377                                 # is the same name as the original.
 378         my $cpp;
 379         my %unknown_algorithms = ();
 380
 381         foreach $file (split(/\s+/,$symhacksfile." ".$files))
 382                 {
 383                 print STDERR "DEBUG: starting on $file:\n" if $debug;
 384                 open(IN,"<$file") || die "unable to open $file:$!\n";
 385                 my $line = "", my $def= "";
 386                 my %tag = (
 387                         (map { $_ => 0 } @known_platforms),
 388                         (map { "OPENSSL_SYS_".$_ => 0 } @known_ossl_platforms),
 389                         (map { "OPENSSL_NO_".$_ => 0 } @known_algorithms),
 390                         NOPROTO         => 0,
 391                         PERL5           => 0,
 392                         _WINDLL         => 0,
 393                         CONST_STRICT    => 0,
 394                         TRUE            => 1,
 395                 );
 396                 my $symhacking = $file eq $symhacksfile;
 397                 my @current_platforms = ();
 398                 my @current_algorithms = ();
 399
 400                 # params: symbol, alias, platforms, kind
 401                 # The reason to put this subroutine in a variable is that
 402                 # it will otherwise create it's own, unshared, version of
 403                 # %tag and %variant...
 404                 my $make_variant = sub
 405                 {
 406                         my ($s, $a, $p, $k) = @_;
 407                         my ($a1, $a2);
 408
 409                         print STDERR "DEBUG: make_variant: Entered with ",$s,", ",$a,", ",(defined($p)?$p:""),", ",(defined($k)?$k:""),"\n" if $debug;
 410                         if (defined($p))
 411                         {
 412                                 $a1 = join(",",$p,
 413                                            grep(!/^$/,
 414                                                 map { $tag{$_} == 1 ? $_ : "" }
 415                                                 @known_platforms));
 416                         }
 417                         else
 418                         {
 419                                 $a1 = join(",",
 420                                            grep(!/^$/,
 421                                                 map { $tag{$_} == 1 ? $_ : "" }
 422                                                 @known_platforms));
 423                         }
 424                         $a2 = join(",",
 425                                    grep(!/^$/,
 426                                         map { $tag{"OPENSSL_SYS_".$_} == 1 ? $_ : "" }
 427                                         @known_ossl_platforms));
 428                         print STDERR "DEBUG: make_variant: a1 = $a1; a2 = $a2\n" if $debug;
 429                         if ($a1 eq "") { $a1 = $a2; }
 430                         elsif ($a1 ne "" && $a2 ne "") { $a1 .= ",".$a2; }
 431                         if ($a eq $s)
 432                         {
 433                                 if (!defined($variant_cnt{$s}))
 434                                 {
 435                                         $variant_cnt{$s} = 0;
 436                                 }
 437                                 $variant_cnt{$s}++;
 438                                 $a .= "{$variant_cnt{$s}}";
 439                         }
 440                         my $toadd = $a.":".$a1.(defined($k)?":".$k:"");
 441                         my $togrep = $s.'(\{[0-9]+\})?:'.$a1.(defined($k)?":".$k:"");
 442                         if (!grep(/^$togrep$/,
 443                                   split(/;/, defined($variant{$s})?$variant{$s}:""))) {
 444                                 if (defined($variant{$s})) { $variant{$s} .= ";"; }
 445                                 $variant{$s} .= $toadd;
 446                         }
 447                         print STDERR "DEBUG: make_variant: Exit with variant of ",$s," = ",$variant{$s},"\n" if $debug;
 448                 };
 449
 450                 print STDERR "DEBUG: parsing ----------\n" if $debug;
 451                 while(<IN>) {
 452                         if (/\/\* Error codes for the \w+ functions\. \*\//)
 453                                 {
 454                                 undef @tag;
 455                                 last;
 456                                 }
 457                         if ($line ne '') {
 458                                 $_ = $line . $_;
 459                                 $line = '';
 460                         }
 461
 462                         if (/\\$/) {
 463                                 chomp; # remove eol
 464                                 chop; # remove ending backslash
 465                                 $line = $_;
 466                                 next;
 467                         }
 468
 469                         if(/\/\*/) {
 470                                 if (not /\*\//) {       # multiline comment...
 471                                         $line = $_;     # ... just accumulate
 472                                         next;
 473                                 } else {
 474                                         s/\/\*.*?\*\///gs;# wipe it
 475                                 }
 476                         }
 477
 478                         if ($cpp) {
 479                                 $cpp++ if /^#\s*if/;
 480                                 $cpp-- if /^#\s*endif/;
 481                                 next;
 482                         }
 483                         $cpp = 1 if /^#.*ifdef.*cplusplus/;
 484
 485                         s/{[^{}]*}//gs;                      # ignore {} blocks
 486                         print STDERR "DEBUG: \$def=\"$def\"\n" if $debug && $def ne "";
 487                         print STDERR "DEBUG: \$_=\"$_\"\n" if $debug;
 488                         if (/^\#\s*ifndef\s+(.*)/) {
 489                                 push(@tag,"-");
 490                                 push(@tag,$1);
 491                                 $tag{$1}=-1;
 492                                 print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
 493                         } elsif (/^\#\s*if\s+!defined\(([^\)]+)\)/) {
 494                                 push(@tag,"-");
 495                                 if (/^\#\s*if\s+(!defined\(([^\)]+)\)(\s+\&\&\s+!defined\(([^\)]+)\))*)$/) {
 496                                         my $tmp_1 = $1;
 497                                         my $tmp_;
 498                                         foreach $tmp_ (split '\&\&',$tmp_1) {
 499                                                 $tmp_ =~ /!defined\(([^\)]+)\)/;
 500                                                 print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
 501                                                 push(@tag,$1);
 502                                                 $tag{$1}=-1;
 503                                         }
 504                                 } else {
 505                                         print STDERR "Warning: $file: complicated expression: $_" if $debug; # because it is O...
 506                                         print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
 507                                         push(@tag,$1);
 508                                         $tag{$1}=-1;
 509                                 }
 510                         } elsif (/^\#\s*ifdef\s+(\S*)/) {
 511                                 push(@tag,"-");
 512                                 push(@tag,$1);
 513                                 $tag{$1}=1;
 514                                 print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
 515                         } elsif (/^\#\s*if\s+defined\(([^\)]+)\)/) {
 516                                 push(@tag,"-");
 517                                 if (/^\#\s*if\s+(defined\(([^\)]+)\)(\s+\|\|\s+defined\(([^\)]+)\))*)$/) {
 518                                         my $tmp_1 = $1;
 519                                         my $tmp_;
 520                                         foreach $tmp_ (split '\|\|',$tmp_1) {
 521                                                 $tmp_ =~ /defined\(([^\)]+)\)/;
 522                                                 print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
 523                                                 push(@tag,$1);
 524                                                 $tag{$1}=1;
 525                                         }
 526                                 } else {
 527                                         print STDERR "Warning: $file: complicated expression: $_\n" if $debug; # because it is O...
 528                                         print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
 529                                         push(@tag,$1);
 530                                         $tag{$1}=1;
 531                                 }
 532                         } elsif (/^\#\s*error\s+(\w+) is disabled\./) {
 533                                 my $tag_i = $#tag;
 534                                 while($tag[$tag_i] ne "-") {
 535                                         if ($tag[$tag_i] eq "OPENSSL_NO_".$1) {
 536                                                 $tag{$tag[$tag_i]}=2;
 537                                                 print STDERR "DEBUG: $file: chaged tag $1 = 2\n" if $debug;
 538                                         }
 539                                         $tag_i--;
 540                                 }
 541                         } elsif (/^\#\s*endif/) {
 542                                 my $tag_i = $#tag;
 543                                 while($tag_i > 0 && $tag[$tag_i] ne "-") {
 544                                         my $t=$tag[$tag_i];
 545                                         print STDERR "DEBUG: \$t=\"$t\"\n" if $debug;
 546                                         if ($tag{$t}==2) {
 547                                                 $tag{$t}=-1;
 548                                         } else {
 549                                                 $tag{$t}=0;
 550                                         }
 551                                         print STDERR "DEBUG: $file: changed tag ",$t," = ",$tag{$t},"\n" if $debug;
 552                                         pop(@tag);
 553                                         if ($t =~ /^OPENSSL_NO_([A-Z0-9_]+)$/) {
 554                                                 $t=$1;
 555                                         } else {
 556                                                 $t="";
 557                                         }
 558                                         if ($t ne ""
 559                                             && !grep(/^$t$/, @known_algorithms)) {
 560                                                 $unknown_algorithms{$t} = 1;
 561                                                 #print STDERR "DEBUG: Added as unknown algorithm: $t\n" if $debug;
 562                                         }
 563                                         $tag_i--;
 564                                 }
 565                                 pop(@tag);
 566                         } elsif (/^\#\s*else/) {
 567                                 my $tag_i = $#tag;
 568                                 while($tag[$tag_i] ne "-") {
 569                                         my $t=$tag[$tag_i];
 570                                         $tag{$t}= -$tag{$t};
 571                                         print STDERR "DEBUG: $file: changed tag ",$t," = ",$tag{$t},"\n" if $debug;
 572                                         $tag_i--;
 573                                 }
 574                         } elsif (/^\#\s*if\s+1/) {
 575                                 push(@tag,"-");
 576                                 # Dummy tag
 577                                 push(@tag,"TRUE");
 578                                 $tag{"TRUE"}=1;
 579                                 print STDERR "DEBUG: $file: found 1\n" if $debug;
 580                         } elsif (/^\#\s*if\s+0/) {
 581                                 push(@tag,"-");
 582                                 # Dummy tag
 583                                 push(@tag,"TRUE");
 584                                 $tag{"TRUE"}=-1;
 585                                 print STDERR "DEBUG: $file: found 0\n" if $debug;
 586                         } elsif (/^\#\s*define\s+(\w+)\s+(\w+)/
 587                                  && $symhacking && $tag{'TRUE'} != -1) {
 588                                 # This is for aliasing.  When we find an alias,
 589                                 # we have to invert
 590                                 &$make_variant($1,$2);
 591                                 print STDERR "DEBUG: $file: defined $1 = $2\n" if $debug;
 592                         }
 593                         if (/^\#/) {
 594                                 @current_platforms =
 595                                     grep(!/^$/,
 596                                          map { $tag{$_} == 1 ? $_ :
 597                                                    $tag{$_} == -1 ? "!".$_  : "" }
 598                                          @known_platforms);
 599                                 push @current_platforms
 600                                     , grep(!/^$/,
 601                                            map { $tag{"OPENSSL_SYS_".$_} == 1 ? $_ :
 602                                                      $tag{"OPENSSL_SYS_".$_} == -1 ? "!".$_  : "" }
 603                                            @known_ossl_platforms);
 604                                 @current_algorithms =
 605                                     grep(!/^$/,
 606                                          map { $tag{"OPENSSL_NO_".$_} == -1 ? $_ : "" }
 607                                          @known_algorithms);
 608                                 $def .=
 609                                     "#INFO:"
 610                                         .join(',',@current_platforms).":"
 611                                             .join(',',@current_algorithms).";";
 612                                 next;
 613                         }
 614                         if ($tag{'TRUE'} != -1) {
 615                                 if (/^\s*DECLARE_STACK_OF\s*\(\s*(\w*)\s*\)/) {
 616                                         next;
 617                                 } elsif (/^\s*DECLARE_ASN1_ENCODE_FUNCTIONS\s*\(\s*(\w*)\s*,\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 618                                         $def .= "int d2i_$3(void);";
 619                                         $def .= "int i2d_$3(void);";
 620                                         # Variant for platforms that do not
 621                                         # have to access globale variables
 622                                         # in shared libraries through functions
 623                                         $def .=
 624                                             "#INFO:"
 625                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 626                                                     .join(',',@current_algorithms).";";
 627                                         $def .= "OPENSSL_EXTERN int $2_it;";
 628                                         $def .=
 629                                             "#INFO:"
 630                                                 .join(',',@current_platforms).":"
 631                                                     .join(',',@current_algorithms).";";
 632                                         # Variant for platforms that have to
 633                                         # access globale variables in shared
 634                                         # libraries through functions
 635                                         &$make_variant("$2_it","$2_it",
 636                                                       "EXPORT_VAR_AS_FUNCTION",
 637                                                       "FUNCTION");
 638                                         next;
 639                                 } elsif (/^\s*DECLARE_ASN1_FUNCTIONS_fname\s*\(\s*(\w*)\s*,\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 640                                         $def .= "int d2i_$3(void);";
 641                                         $def .= "int i2d_$3(void);";
 642                                         $def .= "int $3_free(void);";
 643                                         $def .= "int $3_new(void);";
 644                                         # Variant for platforms that do not
 645                                         # have to access globale variables
 646                                         # in shared libraries through functions
 647                                         $def .=
 648                                             "#INFO:"
 649                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 650                                                     .join(',',@current_algorithms).";";
 651                                         $def .= "OPENSSL_EXTERN int $2_it;";
 652                                         $def .=
 653                                             "#INFO:"
 654                                                 .join(',',@current_platforms).":"
 655                                                     .join(',',@current_algorithms).";";
 656                                         # Variant for platforms that have to
 657                                         # access globale variables in shared
 658                                         # libraries through functions
 659                                         &$make_variant("$2_it","$2_it",
 660                                                       "EXPORT_VAR_AS_FUNCTION",
 661                                                       "FUNCTION");
 662                                         next;
 663                                 } elsif (/^\s*DECLARE_ASN1_FUNCTIONS\s*\(\s*(\w*)\s*\)/ ||
 664                                          /^\s*DECLARE_ASN1_FUNCTIONS_const\s*\(\s*(\w*)\s*\)/) {
 665                                         $def .= "int d2i_$1(void);";
 666                                         $def .= "int i2d_$1(void);";
 667                                         $def .= "int $1_free(void);";
 668                                         $def .= "int $1_new(void);";
 669                                         # Variant for platforms that do not
 670                                         # have to access globale variables
 671                                         # in shared libraries through functions
 672                                         $def .=
 673                                             "#INFO:"
 674                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 675                                                     .join(',',@current_algorithms).";";
 676                                         $def .= "OPENSSL_EXTERN int $1_it;";
 677                                         $def .=
 678                                             "#INFO:"
 679                                                 .join(',',@current_platforms).":"
 680                                                     .join(',',@current_algorithms).";";
 681                                         # Variant for platforms that have to
 682                                         # access globale variables in shared
 683                                         # libraries through functions
 684                                         &$make_variant("$1_it","$1_it",
 685                                                       "EXPORT_VAR_AS_FUNCTION",
 686                                                       "FUNCTION");
 687                                         next;
 688                                 } elsif (/^\s*DECLARE_ASN1_ENCODE_FUNCTIONS_const\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 689                                         $def .= "int d2i_$2(void);";
 690                                         $def .= "int i2d_$2(void);";
 691                                         # Variant for platforms that do not
 692                                         # have to access globale variables
 693                                         # in shared libraries through functions
 694                                         $def .=
 695                                             "#INFO:"
 696                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 697                                                     .join(',',@current_algorithms).";";
 698                                         $def .= "OPENSSL_EXTERN int $2_it;";
 699                                         $def .=
 700                                             "#INFO:"
 701                                                 .join(',',@current_platforms).":"
 702                                                     .join(',',@current_algorithms).";";
 703                                         # Variant for platforms that have to
 704                                         # access globale variables in shared
 705                                         # libraries through functions
 706                                         &$make_variant("$2_it","$2_it",
 707                                                       "EXPORT_VAR_AS_FUNCTION",
 708                                                       "FUNCTION");
 709                                         next;
 710                                 } elsif (/^\s*DECLARE_ASN1_ALLOC_FUNCTIONS\s*\(\s*(\w*)\s*\)/) {
 711                                         $def .= "int $1_free(void);";
 712                                         $def .= "int $1_new(void);";
 713                                         next;
 714                                 } elsif (/^\s*DECLARE_ASN1_FUNCTIONS_name\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 715                                         $def .= "int d2i_$2(void);";
 716                                         $def .= "int i2d_$2(void);";
 717                                         $def .= "int $2_free(void);";
 718                                         $def .= "int $2_new(void);";
 719                                         # Variant for platforms that do not
 720                                         # have to access globale variables
 721                                         # in shared libraries through functions
 722                                         $def .=
 723                                             "#INFO:"
 724                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 725                                                     .join(',',@current_algorithms).";";
 726                                         $def .= "OPENSSL_EXTERN int $2_it;";
 727                                         $def .=
 728                                             "#INFO:"
 729                                                 .join(',',@current_platforms).":"
 730                                                     .join(',',@current_algorithms).";";
 731                                         # Variant for platforms that have to
 732                                         # access globale variables in shared
 733                                         # libraries through functions
 734                                         &$make_variant("$2_it","$2_it",
 735                                                       "EXPORT_VAR_AS_FUNCTION",
 736                                                       "FUNCTION");
 737                                         next;
 738                                 } elsif (/^\s*DECLARE_ASN1_ITEM\s*\(\s*(\w*)\s*\)/) {
 739                                         # Variant for platforms that do not
 740                                         # have to access globale variables
 741                                         # in shared libraries through functions
 742                                         $def .=
 743                                             "#INFO:"
 744                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 745                                                     .join(',',@current_algorithms).";";
 746                                         $def .= "OPENSSL_EXTERN int $1_it;";
 747                                         $def .=
 748                                             "#INFO:"
 749                                                 .join(',',@current_platforms).":"
 750                                                     .join(',',@current_algorithms).";";
 751                                         # Variant for platforms that have to
 752                                         # access globale variables in shared
 753                                         # libraries through functions
 754                                         &$make_variant("$1_it","$1_it",
 755                                                       "EXPORT_VAR_AS_FUNCTION",
 756                                                       "FUNCTION");
 757                                         next;
 758                                 } elsif (/^\s*DECLARE_ASN1_NDEF_FUNCTION\s*\(\s*(\w*)\s*\)/) {
 759                                         $def .= "int i2d_$1_NDEF(void);";
 760                                 } elsif (/^\s*DECLARE_ASN1_SET_OF\s*\(\s*(\w*)\s*\)/) {
 761                                         next;
 762                                 } elsif (/^\s*DECLARE_ASN1_PRINT_FUNCTION\s*\(\s*(\w*)\s*\)/) {
 763                                         $def .= "int $1_print_ctx(void);";
 764                                         next;
 765                                 } elsif (/^\s*DECLARE_ASN1_PRINT_FUNCTION_name\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 766                                         $def .= "int $2_print_ctx(void);";
 767                                         next;
 768                                 } elsif (/^\s*DECLARE_PKCS12_STACK_OF\s*\(\s*(\w*)\s*\)/) {
 769                                         next;
 770                                 } elsif (/^DECLARE_PEM_rw\s*\(\s*(\w*)\s*,/ ||
 771                                          /^DECLARE_PEM_rw_cb\s*\(\s*(\w*)\s*,/ ||
 772                                          /^DECLARE_PEM_rw_const\s*\(\s*(\w*)\s*,/ ) {
 773                                         # Things not in Win16
 774                                         $def .=
 775                                             "#INFO:"
 776                                                 .join(',',"!WIN16",@current_platforms).":"
 777                                                     .join(',',@current_algorithms).";";
 778                                         $def .= "int PEM_read_$1(void);";
 779                                         $def .= "int PEM_write_$1(void);";
 780                                         $def .=
 781                                             "#INFO:"
 782                                                 .join(',',@current_platforms).":"
 783                                                     .join(',',@current_algorithms).";";
 784                                         # Things that are everywhere
 785                                         $def .= "int PEM_read_bio_$1(void);";
 786                                         $def .= "int PEM_write_bio_$1(void);";
 787                                         next;
 788                                 } elsif (/^DECLARE_PEM_write\s*\(\s*(\w*)\s*,/ ||
 789                                          /^DECLARE_PEM_write_cb\s*\(\s*(\w*)\s*,/ ) {
 790                                         # Things not in Win16
 791                                         $def .=
 792                                             "#INFO:"
 793                                                 .join(',',"!WIN16",@current_platforms).":"
 794                                                     .join(',',@current_algorithms).";";
 795                                         $def .= "int PEM_write_$1(void);";
 796                                         $def .=
 797                                             "#INFO:"
 798                                                 .join(',',@current_platforms).":"
 799                                                     .join(',',@current_algorithms).";";
 800                                         # Things that are everywhere
 801                                         $def .= "int PEM_write_bio_$1(void);";
 802                                         next;
 803                                 } elsif (/^DECLARE_PEM_read\s*\(\s*(\w*)\s*,/ ||
 804                                          /^DECLARE_PEM_read_cb\s*\(\s*(\w*)\s*,/ ) {
 805                                         # Things not in Win16
 806                                         $def .=
 807                                             "#INFO:"
 808                                                 .join(',',"!WIN16",@current_platforms).":"
 809                                                     .join(',',@current_algorithms).";";
 810                                         $def .= "int PEM_read_$1(void);";
 811                                         $def .=
 812                                             "#INFO:"
 813                                                 .join(',',@current_platforms).":"
 814                                                     .join(',',@current_algorithms).";";
 815                                         # Things that are everywhere
 816                                         $def .= "int PEM_read_bio_$1(void);";
 817                                         next;
 818                                 } elsif (/^OPENSSL_DECLARE_GLOBAL\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 819                                         # Variant for platforms that do not
 820                                         # have to access globale variables
 821                                         # in shared libraries through functions
 822                                         $def .=
 823                                             "#INFO:"
 824                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 825                                                     .join(',',@current_algorithms).";";
 826                                         $def .= "OPENSSL_EXTERN int _shadow_$2;";
 827                                         $def .=
 828                                             "#INFO:"
 829                                                 .join(',',@current_platforms).":"
 830                                                     .join(',',@current_algorithms).";";
 831                                         # Variant for platforms that have to
 832                                         # access globale variables in shared
 833                                         # libraries through functions
 834                                         &$make_variant("_shadow_$2","_shadow_$2",
 835                                                       "EXPORT_VAR_AS_FUNCTION",
 836                                                       "FUNCTION");
 837                                 } elsif ($tag{'CONST_STRICT'} != 1) {
 838                                         if (/\{|\/\*|\([^\)]*$/) {
 839                                                 $line = $_;
 840                                         } else {
 841                                                 $def .= $_;
 842                                         }
 843                                 }
 844                         }
 845                 }
 846                 close(IN);
 847
 848                 my $algs;
 849                 my $plays;
 850
 851                 print STDERR "DEBUG: postprocessing ----------\n" if $debug;
 852                 foreach (split /;/, $def) {
 853                         my $s; my $k = "FUNCTION"; my $p; my $a;
 854                         s/^[\n\s]*//g;
 855                         s/[\n\s]*$//g;
 856                         next if(/\#undef/);
 857                         next if(/typedef\W/);
 858                         next if(/\#define/);
 859
 860                         # Reduce argument lists to empty ()
 861                         # fold round brackets recursively: (t(*v)(t),t) -> (t{}{},t) -> {}
 862                         while(/\(.*\)/s) {
 863                                 s/\([^\(\)]+\)/\{\}/gs;
 864                                 s/\(\s*\*\s*(\w+)\s*\{\}\s*\)/$1/gs;    #(*f{}) -> f
 865                         }
 866                         # pretend as we didn't use curly braces: {} -> ()
 867                         s/\{\}/\(\)/gs;
 868
 869                         s/STACK_OF\(\)/void/gs;
 870
 871                         print STDERR "DEBUG: \$_ = \"$_\"\n" if $debug;
 872                         if (/^\#INFO:([^:]*):(.*)$/) {
 873                                 $plats = $1;
 874                                 $algs = $2;
 875                                 print STDERR "DEBUG: found info on platforms ($plats) and algorithms ($algs)\n" if $debug;
 876                                 next;
 877                         } elsif (/^\s*OPENSSL_EXTERN\s.*?(\w+(\{[0-9]+\})?)(\[[0-9]*\])*\s*$/) {
 878                                 $s = $1;
 879                                 $k = "VARIABLE";
 880                                 print STDERR "DEBUG: found external variable $s\n" if $debug;
 881                         } elsif (/TYPEDEF_\w+_OF/s) {
 882                                 next;
 883                         } elsif (/(\w+)\s*\(\).*/s) {   # first token prior [first] () is
 884                                 $s = $1;                # a function name!
 885                                 print STDERR "DEBUG: found function $s\n" if $debug;
 886                         } elsif (/\(/ and not (/=/)) {
 887                                 print STDERR "File $file: cannot parse: $_;\n";
 888                                 next;
 889                         } else {
 890                                 next;
 891                         }
 892
 893                         $syms{$s} = 1;
 894                         $kind{$s} = $k;
 895
 896                         $p = $plats;
 897                         $a = $algs;
 898                         $a .= ",BF" if($s =~ /EVP_bf/);
 899                         $a .= ",CAST" if($s =~ /EVP_cast/);
 900                         $a .= ",DES" if($s =~ /EVP_des/);
 901                         $a .= ",DSA" if($s =~ /EVP_dss/);
 902                         $a .= ",IDEA" if($s =~ /EVP_idea/);
 903                         $a .= ",MD2" if($s =~ /EVP_md2/);
 904                         $a .= ",MD4" if($s =~ /EVP_md4/);
 905                         $a .= ",MD5" if($s =~ /EVP_md5/);
 906                         $a .= ",RC2" if($s =~ /EVP_rc2/);
 907                         $a .= ",RC4" if($s =~ /EVP_rc4/);
 908                         $a .= ",RC5" if($s =~ /EVP_rc5/);
 909                         $a .= ",RIPEMD" if($s =~ /EVP_ripemd/);
 910                         $a .= ",SHA" if($s =~ /EVP_sha/);
 911                         $a .= ",RSA" if($s =~ /EVP_(Open|Seal)(Final|Init)/);
 912                         $a .= ",RSA" if($s =~ /PEM_Seal(Final|Init|Update)/);
 913                         $a .= ",RSA" if($s =~ /RSAPrivateKey/);
 914                         $a .= ",RSA" if($s =~ /SSLv23?_((client|server)_)?method/);
 915
 916                         $platform{$s} =
 917                             &reduce_platforms((defined($platform{$s})?$platform{$s}.',':"").$p);
 918                         $algorithm{$s} .= ','.$a;
 919
 920                         if (defined($variant{$s})) {
 921                                 foreach $v (split /;/,$variant{$s}) {
 922                                         (my $r, my $p, my $k) = split(/:/,$v);
 923                                         my $ip = join ',',map({ /^!(.*)$/ ? $1 : "!".$_ } split /,/, $p);
 924                                         $syms{$r} = 1;
 925                                         if (!defined($k)) { $k = $kind{$s}; }
 926                                         $kind{$r} = $k."(".$s.")";
 927                                         $algorithm{$r} = $algorithm{$s};
 928                                         $platform{$r} = &reduce_platforms($platform{$s}.",".$p.",".$p);
 929                                         $platform{$s} = &reduce_platforms($platform{$s}.','.$ip.','.$ip);
 930                                         print STDERR "DEBUG: \$variant{\"$s\"} = ",$v,"; \$r = $r; \$p = ",$platform{$r},"; \$a = ",$algorithm{$r},"; \$kind = ",$kind{$r},"\n" if $debug;
 931                                 }
 932                         }
 933                         print STDERR "DEBUG: \$s = $s; \$p = ",$platform{$s},"; \$a = ",$algorithm{$s},"; \$kind = ",$kind{$s},"\n" if $debug;
 934                 }
 935         }
 936
 937         # Prune the returned symbols
 938
 939         delete $syms{"bn_dump1"};
 940         $platform{"BIO_s_log"} .= ",!WIN32,!WIN16,!macintosh";
 941
 942         $platform{"PEM_read_NS_CERT_SEQ"} = "VMS";
 943         $platform{"PEM_write_NS_CERT_SEQ"} = "VMS";
 944         $platform{"PEM_read_P8_PRIV_KEY_INFO"} = "VMS";
 945         $platform{"PEM_write_P8_PRIV_KEY_INFO"} = "VMS";
 946
 947         # Info we know about
 948
 949         push @ret, map { $_."\\".&info_string($_,"EXIST",
 950                                               $platform{$_},
 951                                               $kind{$_},
 952                                               $algorithm{$_}) } keys %syms;
 953
 954         if (keys %unknown_algorithms) {
 955                 print STDERR "WARNING: mkdef.pl doesn't know the following algorithms:\n";
 956                 print STDERR "\t",join("\n\t",keys %unknown_algorithms),"\n";
 957         }
 958         return(@ret);
 959 }
 960
 961 # Param: string of comma-separated platform-specs.
 962 sub reduce_platforms
 963 {
 964         my ($platforms) = @_;
 965         my $pl = defined($platforms) ? $platforms : "";
 966         my %p = map { $_ => 0 } split /,/, $pl;
 967         my $ret;
 968
 969         print STDERR "DEBUG: Entered reduce_platforms with \"$platforms\"\n"
 970             if $debug;
 971         # We do this, because if there's code like the following, it really
 972         # means the function exists in all cases and should therefore be
 973         # everywhere.  By increasing and decreasing, we may attain 0:
 974         #
 975         # ifndef WIN16
 976         #    int foo();
 977         # else
 978         #    int _fat foo();
 979         # endif
 980         foreach $platform (split /,/, $pl) {
 981                 if ($platform =~ /^!(.*)$/) {
 982                         $p{$1}--;
 983                 } else {
 984                         $p{$platform}++;
 985                 }
 986         }
 987         foreach $platform (keys %p) {
 988                 if ($p{$platform} == 0) { delete $p{$platform}; }
 989         }
 990
 991         delete $p{""};
 992
 993         $ret = join(',',sort(map { $p{$_} < 0 ? "!".$_ : $_ } keys %p));
 994         print STDERR "DEBUG: Exiting reduce_platforms with \"$ret\"\n"
 995             if $debug;
 996         return $ret;
 997 }
 998
 999 sub info_string {
1000         (my $symbol, my $exist, my $platforms, my $kind, my $algorithms) = @_;
1001
1002         my %a = defined($algorithms) ?
1003             map { $_ => 1 } split /,/, $algorithms : ();
1004         my $k = defined($kind) ? $kind : "FUNCTION";
1005         my $ret;
1006         my $p = &reduce_platforms($platforms);
1007
1008         delete $a{""};
1009
1010         $ret = $exist;
1011         $ret .= ":".$p;
1012         $ret .= ":".$k;
1013         $ret .= ":".join(',',sort keys %a);
1014         return $ret;
1015 }
1016
1017 sub maybe_add_info {
1018         (my $name, *nums, my @symbols) = @_;
1019         my $sym;
1020         my $new_info = 0;
1021         my %syms=();
1022
1023         print STDERR "Updating $name info\n";
1024         foreach $sym (@symbols) {
1025                 (my $s, my $i) = split /\\/, $sym;
1026                 if (defined($nums{$s})) {
1027                         $i =~ s/^(.*?:.*?:\w+)(\(\w+\))?/$1/;
1028                         (my $n, my $dummy) = split /\\/, $nums{$s};
1029                         if (!defined($dummy) || $i ne $dummy) {
1030                                 $nums{$s} = $n."\\".$i;
1031                                 $new_info++;
1032                                 print STDERR "DEBUG: maybe_add_info for $s: \"$dummy\" => \"$i\"\n" if $debug;
1033                         }
1034                 }
1035                 $syms{$s} = 1;
1036         }
1037
1038         my @s=sort { &parse_number($nums{$a},"n") <=> &parse_number($nums{$b},"n") } keys %nums;
1039         foreach $sym (@s) {
1040                 (my $n, my $i) = split /\\/, $nums{$sym};
1041                 if (!defined($syms{$sym}) && $i !~ /^NOEXIST:/) {
1042                         $new_info++;
1043                         print STDERR "DEBUG: maybe_add_info for $sym: -> undefined\n" if $debug;
1044                 }
1045         }
1046         if ($new_info) {
1047                 print STDERR "$new_info old symbols got an info update\n";
1048                 if (!$do_rewrite) {
1049                         print STDERR "You should do a rewrite to fix this.\n";
1050                 }
1051         } else {
1052                 print STDERR "No old symbols needed info update\n";
1053         }
1054 }
1055
1056 # Param: string of comma-separated keywords, each possibly prefixed with a "!"
1057 sub is_valid
1058 {
1059         my ($keywords_txt,$platforms) = @_;
1060         my (@keywords) = split /,/,$keywords_txt;
1061         my ($falsesum, $truesum) = (0, 1);
1062
1063         # Param: one keyword
1064         sub recognise
1065         {
1066                 my ($keyword,$platforms) = @_;
1067
1068                 if ($platforms) {
1069                         # platforms
1070                         if ($keyword eq "VMS" && $VMS) { return 1; }
1071                         if ($keyword eq "WIN32" && $W32) { return 1; }
1072                         if ($keyword eq "WIN16" && $W16) { return 1; }
1073                         if ($keyword eq "WINNT" && $NT) { return 1; }
1074                         if ($keyword eq "OS2" && $OS2) { return 1; }
1075                         # Special platforms:
1076                         # EXPORT_VAR_AS_FUNCTION means that global variables
1077                         # will be represented as functions.  This currently
1078                         # only happens on VMS-VAX.
1079                         if ($keyword eq "EXPORT_VAR_AS_FUNCTION" && ($VMSVAX || $W32 || $W16)) {
1080                                 return 1;
1081                         }
1082                         return 0;
1083                 } else {
1084                         # algorithms
1085                         if ($keyword eq "RC2" && $no_rc2) { return 0; }
1086                         if ($keyword eq "RC4" && $no_rc4) { return 0; }
1087                         if ($keyword eq "RC5" && $no_rc5) { return 0; }
1088                         if ($keyword eq "IDEA" && $no_idea) { return 0; }
1089                         if ($keyword eq "DES" && $no_des) { return 0; }
1090                         if ($keyword eq "BF" && $no_bf) { return 0; }
1091                         if ($keyword eq "CAST" && $no_cast) { return 0; }
1092                         if ($keyword eq "MD2" && $no_md2) { return 0; }
1093                         if ($keyword eq "MD4" && $no_md4) { return 0; }
1094                         if ($keyword eq "MD5" && $no_md5) { return 0; }
1095                         if ($keyword eq "SHA" && $no_sha) { return 0; }
1096                         if ($keyword eq "RIPEMD" && $no_ripemd) { return 0; }
1097                         if ($keyword eq "MDC2" && $no_mdc2) { return 0; }
1098                         if ($keyword eq "WHIRLPOOL" && $no_whirlpool) { return 0; }
1099                         if ($keyword eq "RSA" && $no_rsa) { return 0; }
1100                         if ($keyword eq "DSA" && $no_dsa) { return 0; }
1101                         if ($keyword eq "DH" && $no_dh) { return 0; }
1102                         if ($keyword eq "EC" && $no_ec) { return 0; }
1103                         if ($keyword eq "ECDSA" && $no_ecdsa) { return 0; }
1104                         if ($keyword eq "ECDH" && $no_ecdh) { return 0; }
1105                         if ($keyword eq "HMAC" && $no_hmac) { return 0; }
1106                         if ($keyword eq "AES" && $no_aes) { return 0; }
1107                         if ($keyword eq "CAMELLIA" && $no_camellia) { return 0; }
1108                         if ($keyword eq "SEED" && $no_seed) { return 0; }
1109                         if ($keyword eq "EVP" && $no_evp) { return 0; }
1110                         if ($keyword eq "LHASH" && $no_lhash) { return 0; }
1111                         if ($keyword eq "STACK" && $no_stack) { return 0; }
1112                         if ($keyword eq "ERR" && $no_err) { return 0; }
1113                         if ($keyword eq "BUFFER" && $no_buffer) { return 0; }
1114                         if ($keyword eq "BIO" && $no_bio) { return 0; }
1115                         if ($keyword eq "COMP" && $no_comp) { return 0; }
1116                         if ($keyword eq "DSO" && $no_dso) { return 0; }
1117                         if ($keyword eq "KRB5" && $no_krb5) { return 0; }
1118                         if ($keyword eq "ENGINE" && $no_engine) { return 0; }
1119                         if ($keyword eq "HW" && $no_hw) { return 0; }
1120                         if ($keyword eq "FP_API" && $no_fp_api) { return 0; }
1121                         if ($keyword eq "STATIC_ENGINE" && $no_static_engine) { return 0; }
1122                         if ($keyword eq "GMP" && $no_gmp) { return 0; }
1123                         if ($keyword eq "RFC3779" && $no_rfc3779) { return 0; }
1124                         if ($keyword eq "TLSEXT" && $no_tlsext) { return 0; }
1125                         if ($keyword eq "PSK" && $no_psk) { return 0; }
1126                         if ($keyword eq "DEPRECATED" && $no_deprecated) { return 0; }
1127
1128                         # Nothing recognise as true
1129                         return 1;
1130                 }
1131         }
1132
1133         foreach $k (@keywords) {
1134                 if ($k =~ /^!(.*)$/) {
1135                         $falsesum += &recognise($1,$platforms);
1136                 } else {
1137                         $truesum *= &recognise($k,$platforms);
1138                 }
1139         }
1140         print STDERR "DEBUG: [",$#keywords,",",$#keywords < 0,"] is_valid($keywords_txt) => (\!$falsesum) && $truesum = ",(!$falsesum) && $truesum,"\n" if $debug;
1141         return (!$falsesum) && $truesum;
1142 }
1143
1144 sub print_test_file
1145 {
1146         (*OUT,my $name,*nums,my $testall,my @symbols)=@_;
1147         my $n = 1; my @e; my @r;
1148         my $sym; my $prev = ""; my $prefSSLeay;
1149
1150         (@e)=grep(/^SSLeay(\{[0-9]+\})?\\.*?:.*?:.*/,@symbols);
1151         (@r)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:.*/ && !/^SSLeay(\{[0-9]+\})?\\.*?:.*?:.*/,@symbols);
1152         @symbols=((sort @e),(sort @r));
1153
1154         foreach $sym (@symbols) {
1155                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1156                 my $v = 0;
1157                 $v = 1 if $i=~ /^.*?:.*?:VARIABLE/;
1158                 my $p = ($i =~ /^[^:]*:([^:]*):/,$1);
1159                 my $a = ($i =~ /^[^:]*:[^:]*:[^:]*:([^:]*)/,$1);
1160                 if (!defined($nums{$s})) {
1161                         print STDERR "Warning: $s does not have a number assigned\n"
1162                             if(!$do_update);
1163                 } elsif (is_valid($p,1) && is_valid($a,0)) {
1164                         my $s2 = ($s =~ /^(.*?)(\{[0-9]+\})?$/, $1);
1165                         if ($prev eq $s2) {
1166                                 print OUT "\t/* The following has already appeared previously */\n";
1167                                 print STDERR "Warning: Symbol '",$s2,"' redefined. old=",($nums{$prev} =~ /^(.*?)\\/,$1),", new=",($nums{$s2} =~ /^(.*?)\\/,$1),"\n";
1168                         }
1169                         $prev = $s2;    # To warn about duplicates...
1170
1171                         ($nn,$ni)=($nums{$s2} =~ /^(.*?)\\(.*)$/);
1172                         if ($v) {
1173                                 print OUT "\textern int $s2; /* type unknown */ /* $nn $ni */\n";
1174                         } else {
1175                                 print OUT "\textern int $s2(); /* type unknown */ /* $nn $ni */\n";
1176                         }
1177                 }
1178         }
1179 }
1180
1181 sub get_version {
1182    local *MF;
1183    my $v = '?';
1184    open MF, 'Makefile' or return $v;
1185    while (<MF>) {
1186      $v = $1, last if /^VERSION=(.*?)\s*$/;
1187    }
1188    close MF;
1189    return $v;
1190 }
1191
1192 sub print_def_file
1193 {
1194         (*OUT,my $name,*nums,my @symbols)=@_;
1195         my $n = 1; my @e; my @r; my @v; my $prev="";
1196         my $liboptions="";
1197         my $libname = $name;
1198         my $http_vendor = 'www.openssl.org/';
1199         my $version = get_version();
1200         my $what = "OpenSSL: implementation of Secure Socket Layer";
1201         my $description = "$what $version, $name - http://$http_vendor";
1202
1203         if ($W32)
1204                 { $libname.="32"; }
1205         elsif ($W16)
1206                 { $libname.="16"; }
1207         elsif ($OS2)
1208                 { # DLL names should not clash on the whole system.
1209                   # However, they should not have any particular relationship
1210                   # to the name of the static library.  Chose descriptive names
1211                   # (must be at most 8 chars).
1212                   my %translate = (ssl => 'open_ssl', crypto => 'cryptssl');
1213                   $libname = $translate{$name} || $name;
1214                   $liboptions = <<EOO;
1215 INITINSTANCE
1216 DATA MULTIPLE NONSHARED
1217 EOO
1218                   # Vendor field can't contain colon, drat; so we omit http://
1219                   $description = "\@#$http_vendor:$version#\@$what; DLL for library $name.  Build for EMX -Zmtd";
1220                 }
1221
1222         print OUT <<"EOF";
1223 ;
1224 ; Definition file for the DLL version of the $name library from OpenSSL
1225 ;
1226
1227 LIBRARY         $libname        $liboptions
1228
1229 EOF
1230
1231         if ($W16) {
1232                 print <<"EOF";
1233 CODE            PRELOAD MOVEABLE
1234 DATA            PRELOAD MOVEABLE SINGLE
1235
1236 EXETYPE         WINDOWS
1237
1238 HEAPSIZE        4096
1239 STACKSIZE       8192
1240
1241 EOF
1242         }
1243
1244         print "EXPORTS\n";
1245
1246         (@e)=grep(/^SSLeay(\{[0-9]+\})?\\.*?:.*?:FUNCTION/,@symbols);
1247         (@r)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:FUNCTION/ && !/^SSLeay(\{[0-9]+\})?\\.*?:.*?:FUNCTION/,@symbols);
1248         (@v)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:VARIABLE/,@symbols);
1249         @symbols=((sort @e),(sort @r), (sort @v));
1250
1251
1252         foreach $sym (@symbols) {
1253                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1254                 my $v = 0;
1255                 $v = 1 if $i =~ /^.*?:.*?:VARIABLE/;
1256                 if (!defined($nums{$s})) {
1257                         printf STDERR "Warning: $s does not have a number assigned\n"
1258                             if(!$do_update);
1259                 } else {
1260                         (my $n, my $dummy) = split /\\/, $nums{$s};
1261                         my %pf = ();
1262                         my $p = ($i =~ /^[^:]*:([^:]*):/,$1);
1263                         my $a = ($i =~ /^[^:]*:[^:]*:[^:]*:([^:]*)/,$1);
1264                         if (is_valid($p,1) && is_valid($a,0)) {
1265                                 my $s2 = ($s =~ /^(.*?)(\{[0-9]+\})?$/, $1);
1266                                 if ($prev eq $s2) {
1267                                         print STDERR "Warning: Symbol '",$s2,"' redefined. old=",($nums{$prev} =~ /^(.*?)\\/,$1),", new=",($nums{$s2} =~ /^(.*?)\\/,$1),"\n";
1268                                 }
1269                                 $prev = $s2;    # To warn about duplicates...
1270                                 if($v && !$OS2) {
1271                                         printf OUT "    %s%-39s @%-8d DATA\n",($W32)?"":"_",$s2,$n;
1272                                 } else {
1273                                         printf OUT "    %s%-39s @%d\n",($W32||$OS2)?"":"_",$s2,$n;
1274                                 }
1275                         }
1276                 }
1277         }
1278         printf OUT "\n";
1279 }
1280
1281 sub load_numbers
1282 {
1283         my($name)=@_;
1284         my(@a,%ret);
1285
1286         $max_num = 0;
1287         $num_noinfo = 0;
1288         $prev = "";
1289         $prev_cnt = 0;
1290
1291         open(IN,"<$name") || die "unable to open $name:$!\n";
1292         while (<IN>) {
1293                 chop;
1294                 s/#.*$//;
1295                 next if /^\s*$/;
1296                 @a=split;
1297                 if (defined $ret{$a[0]}) {
1298                         # This is actually perfectly OK
1299                         #print STDERR "Warning: Symbol '",$a[0],"' redefined. old=",$ret{$a[0]},", new=",$a[1],"\n";
1300                 }
1301                 if ($max_num > $a[1]) {
1302                         print STDERR "Warning: Number decreased from ",$max_num," to ",$a[1],"\n";
1303                 }
1304                 elsif ($max_num == $a[1]) {
1305                         # This is actually perfectly OK
1306                         #print STDERR "Warning: Symbol ",$a[0]," has same number as previous ",$prev,": ",$a[1],"\n";
1307                         if ($a[0] eq $prev) {
1308                                 $prev_cnt++;
1309                                 $a[0] .= "{$prev_cnt}";
1310                         }
1311                 }
1312                 else {
1313                         $prev_cnt = 0;
1314                 }
1315                 if ($#a < 2) {
1316                         # Existence will be proven later, in do_defs
1317                         $ret{$a[0]}=$a[1];
1318                         $num_noinfo++;
1319                 } else {
1320                         $ret{$a[0]}=$a[1]."\\".$a[2]; # \\ is a special marker
1321                 }
1322                 $max_num = $a[1] if $a[1] > $max_num;
1323                 $prev=$a[0];
1324         }
1325         if ($num_noinfo) {
1326                 print STDERR "Warning: $num_noinfo symbols were without info.";
1327                 if ($do_rewrite) {
1328                         printf STDERR "  The rewrite will fix this.\n";
1329                 } else {
1330                         printf STDERR "  You should do a rewrite to fix this.\n";
1331                 }
1332         }
1333         close(IN);
1334         return(%ret);
1335 }
1336
1337 sub parse_number
1338 {
1339         (my $str, my $what) = @_;
1340         (my $n, my $i) = split(/\\/,$str);
1341         if ($what eq "n") {
1342                 return $n;
1343         } else {
1344                 return $i;
1345         }
1346 }
1347
1348 sub rewrite_numbers
1349 {
1350         (*OUT,$name,*nums,@symbols)=@_;
1351         my $thing;
1352
1353         print STDERR "Rewriting $name\n";
1354
1355         my @r = grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:\w+\(\w+\)/,@symbols);
1356         my $r; my %r; my %rsyms;
1357         foreach $r (@r) {
1358                 (my $s, my $i) = split /\\/, $r;
1359                 my $a = $1 if $i =~ /^.*?:.*?:\w+\((\w+)\)/;
1360                 $i =~ s/^(.*?:.*?:\w+)\(\w+\)/$1/;
1361                 $r{$a} = $s."\\".$i;
1362                 $rsyms{$s} = 1;
1363         }
1364
1365         my %syms = ();
1366         foreach $_ (@symbols) {
1367                 (my $n, my $i) = split /\\/;
1368                 $syms{$n} = 1;
1369         }
1370
1371         my @s=sort {
1372             &parse_number($nums{$a},"n") <=> &parse_number($nums{$b},"n")
1373             || $a cmp $b
1374         } keys %nums;
1375         foreach $sym (@s) {
1376                 (my $n, my $i) = split /\\/, $nums{$sym};
1377                 next if defined($i) && $i =~ /^.*?:.*?:\w+\(\w+\)/;
1378                 next if defined($rsyms{$sym});
1379                 print STDERR "DEBUG: rewrite_numbers for sym = ",$sym,": i = ",$i,", n = ",$n,", rsym{sym} = ",$rsyms{$sym},"syms{sym} = ",$syms{$sym},"\n" if $debug;
1380                 $i="NOEXIST::FUNCTION:"
1381                         if !defined($i) || $i eq "" || !defined($syms{$sym});
1382                 my $s2 = $sym;
1383                 $s2 =~ s/\{[0-9]+\}$//;
1384                 printf OUT "%s%-39s %d\t%s\n","",$s2,$n,$i;
1385                 if (exists $r{$sym}) {
1386                         (my $s, $i) = split /\\/,$r{$sym};
1387                         my $s2 = $s;
1388                         $s2 =~ s/\{[0-9]+\}$//;
1389                         printf OUT "%s%-39s %d\t%s\n","",$s2,$n,$i;
1390                 }
1391         }
1392 }
1393
1394 sub update_numbers
1395 {
1396         (*OUT,$name,*nums,my $start_num, my @symbols)=@_;
1397         my $new_syms = 0;
1398
1399         print STDERR "Updating $name numbers\n";
1400
1401         my @r = grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:\w+\(\w+\)/,@symbols);
1402         my $r; my %r; my %rsyms;
1403         foreach $r (@r) {
1404                 (my $s, my $i) = split /\\/, $r;
1405                 my $a = $1 if $i =~ /^.*?:.*?:\w+\((\w+)\)/;
1406                 $i =~ s/^(.*?:.*?:\w+)\(\w+\)/$1/;
1407                 $r{$a} = $s."\\".$i;
1408                 $rsyms{$s} = 1;
1409         }
1410
1411         foreach $sym (@symbols) {
1412                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1413                 next if $i =~ /^.*?:.*?:\w+\(\w+\)/;
1414                 next if defined($rsyms{$sym});
1415                 die "ERROR: Symbol $sym had no info attached to it."
1416                     if $i eq "";
1417                 if (!exists $nums{$s}) {
1418                         $new_syms++;
1419                         my $s2 = $s;
1420                         $s2 =~ s/\{[0-9]+\}$//;
1421                         printf OUT "%s%-39s %d\t%s\n","",$s2, ++$start_num,$i;
1422                         if (exists $r{$s}) {
1423                                 ($s, $i) = split /\\/,$r{$s};
1424                                 $s =~ s/\{[0-9]+\}$//;
1425                                 printf OUT "%s%-39s %d\t%s\n","",$s, $start_num,$i;
1426                         }
1427                 }
1428         }
1429         if($new_syms) {
1430                 print STDERR "$new_syms New symbols added\n";
1431         } else {
1432                 print STDERR "No New symbols Added\n";
1433         }
1434 }
1435
1436 sub check_existing
1437 {
1438         (*nums, my @symbols)=@_;
1439         my %existing; my @remaining;
1440         @remaining=();
1441         foreach $sym (@symbols) {
1442                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1443                 $existing{$s}=1;
1444         }
1445         foreach $sym (keys %nums) {
1446                 if (!exists $existing{$sym}) {
1447                         push @remaining, $sym;
1448                 }
1449         }
1450         if(@remaining) {
1451                 print STDERR "The following symbols do not seem to exist:\n";
1452                 foreach $sym (@remaining) {
1453                         print STDERR "\t",$sym,"\n";
1454                 }
1455         }
1456 }
1457