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 # The format of these files is:
  10 #
  11 #       routine-name    nnnn    vers    info
  12 #
  13 # The "nnnn" and "vers" fields are the numeric id and version for the symbol
  14 # respectively. The "info" part is actually a colon-separated string of fields
  15 # with the following meaning:
  16 #
  17 #       existence:platform:kind:algorithms
  18 #
  19 # - "existence" can be "EXIST" or "NOEXIST" depending on if the symbol is
  20 #   found somewhere in the source,
  21 # - "platforms" is empty if it exists on all platforms, otherwise it contains
  22 #   comma-separated list of the platform, just as they are if the symbol exists
  23 #   for those platforms, or prepended with a "!" if not.  This helps resolve
  24 #   symbol name variants for platforms where the names are too long for the
  25 #   compiler or linker, or if the systems is case insensitive and there is a
  26 #   clash, or the symbol is implemented differently (see
  27 #   EXPORT_VAR_AS_FUNCTION).  This script assumes renaming of symbols is found
  28 #   in the file crypto/symhacks.h.
  29 #   The semantics for the platforms is that every item is checked against the
  30 #   environment.  For the negative items ("!FOO"), if any of them is false
  31 #   (i.e. "FOO" is true) in the environment, the corresponding symbol can't be
  32 #   used.  For the positive itms, if all of them are false in the environment,
  33 #   the corresponding symbol can't be used.  Any combination of positive and
  34 #   negative items are possible, and of course leave room for some redundancy.
  35 # - "kind" is "FUNCTION" or "VARIABLE".  The meaning of that is obvious.
  36 # - "algorithms" is a comma-separated list of algorithm names.  This helps
  37 #   exclude symbols that are part of an algorithm that some user wants to
  38 #   exclude.
  39 #
  40
  41 use lib ".";
  42 use configdata;
  43 use File::Spec::Functions;
  44
  45 my $debug=0;
  46
  47 my $crypto_num= catfile($config{sourcedir},"util","libeay.num");
  48 my $ssl_num=    catfile($config{sourcedir},"util","ssleay.num");
  49 my $libname;
  50
  51 my $do_update = 0;
  52 my $do_rewrite = 1;
  53 my $do_crypto = 0;
  54 my $do_ssl = 0;
  55 my $do_ctest = 0;
  56 my $do_ctestall = 0;
  57 my $do_checkexist = 0;
  58
  59 my $VMSVAX=0;
  60 my $VMSNonVAX=0;
  61 my $VMS=0;
  62 my $W32=0;
  63 my $NT=0;
  64 my $OS2=0;
  65 my $linux=0;
  66 # Set this to make typesafe STACK definitions appear in DEF
  67 my $safe_stack_def = 0;
  68
  69 my @known_platforms = ( "__FreeBSD__", "PERL5",
  70                         "EXPORT_VAR_AS_FUNCTION", "ZLIB"
  71                         );
  72 my @known_ossl_platforms = ( "VMS", "WIN32", "WINNT", "OS2" );
  73 my @known_algorithms = ( "RC2", "RC4", "RC5", "IDEA", "DES", "BF",
  74                          "CAST", "MD2", "MD4", "MD5", "SHA", "SHA0", "SHA1",
  75                          "SHA256", "SHA512", "RMD160",
  76                          "MDC2", "WHIRLPOOL", "RSA", "DSA", "DH", "EC", "EC2M",
  77                          "HMAC", "AES", "CAMELLIA", "SEED", "GOST",
  78                          "SCRYPT", "CHACHA", "POLY1305",
  79                          # EC_NISTP_64_GCC_128
  80                          "EC_NISTP_64_GCC_128",
  81                          # Envelope "algorithms"
  82                          "EVP", "X509", "ASN1_TYPEDEFS",
  83                          # Helper "algorithms"
  84                          "BIO", "COMP", "BUFFER", "LHASH", "STACK", "ERR",
  85                          "LOCKING",
  86                          # External "algorithms"
  87                          "FP_API", "STDIO", "SOCK", "DGRAM",
  88                          "CRYPTO_MDEBUG",
  89                          # Engines
  90                          "STATIC_ENGINE", "ENGINE", "HW", "GMP",
  91                          # Entropy Gathering
  92                          "EGD",
  93                          # X.509v3 Signed Certificate Timestamps
  94                          "SCT",
  95                          # RFC3779
  96                          "RFC3779",
  97                          # TLS
  98                          "PSK", "SRP", "HEARTBEATS",
  99                          # CMS
 100                          "CMS",
 101                          # CryptoAPI Engine
 102                          "CAPIENG",
 103                          # SSL v3 method
 104                          "SSL3_METHOD",
 105                          # JPAKE
 106                          "JPAKE",
 107                          # NEXTPROTONEG
 108                          "NEXTPROTONEG",
 109                          # Deprecated functions
 110                          "DEPRECATEDIN_0_9_8",
 111                          "DEPRECATEDIN_1_0_0",
 112                          "DEPRECATEDIN_1_1_0",
 113                          # SCTP
 114                          "SCTP",
 115                          # SRTP
 116                          "SRTP",
 117                          # SSL TRACE
 118                          "SSL_TRACE",
 119                          # Unit testing
 120                          "UNIT_TEST",
 121                          # OCB mode
 122                          "OCB",
 123                          # APPLINK (win build feature?)
 124                          "APPLINK"
 125                      );
 126
 127 my %disabled_algorithms;
 128
 129 foreach (@known_algorithms) {
 130     $disabled_algorithms{$_} = 0;
 131 }
 132 # disabled by default
 133 $disabled_algorithms{"STATIC_ENGINE"} = 1;
 134
 135 my $zlib;
 136
 137 foreach (@ARGV, split(/ /, $config{options}))
 138         {
 139         $debug=1 if $_ eq "debug";
 140         $W32=1 if $_ eq "32";
 141         die "win16 not supported" if $_ eq "16";
 142         if($_ eq "NT") {
 143                 $W32 = 1;
 144                 $NT = 1;
 145         }
 146         if ($_ eq "VMS-VAX") {
 147                 $VMS=1;
 148                 $VMSVAX=1;
 149         }
 150         if ($_ eq "VMS-NonVAX") {
 151                 $VMS=1;
 152                 $VMSNonVAX=1;
 153         }
 154         if ($_ eq "linux") {
 155                 $linux=1;
 156         }
 157         $VMS=$VMSNonVAX=1 if $_ eq "VMS";
 158         $OS2=1 if $_ eq "OS2";
 159         if ($_ eq "zlib" || $_ eq "enable-zlib" || $_ eq "zlib-dynamic"
 160                          || $_ eq "enable-zlib-dynamic") {
 161                 $zlib = 1;
 162         }
 163
 164         $do_ssl=1 if $_ eq "ssleay";
 165         if ($_ eq "ssl") {
 166                 $do_ssl=1;
 167                 $libname=$_
 168         }
 169         $do_crypto=1 if $_ eq "libeay";
 170         if ($_ eq "crypto") {
 171                 $do_crypto=1;
 172                 $libname=$_;
 173         }
 174         $do_update=1 if $_ eq "update";
 175         $do_rewrite=1 if $_ eq "rewrite";
 176         $do_ctest=1 if $_ eq "ctest";
 177         $do_ctestall=1 if $_ eq "ctestall";
 178         $do_checkexist=1 if $_ eq "exist";
 179         #$safe_stack_def=1 if $_ eq "-DDEBUG_SAFESTACK";
 180         if (/^--api=(\d+)\.(\d+)\.(\d+)$/) {
 181                 my $apiv = sprintf "%x%02x%02x", $1, $2, $3;
 182                 foreach (keys %disabled_algorithms) {
 183                         if (/^DEPRECATEDIN_(\d+)_(\d+)_(\d+)$/) {
 184                                 my $depv = sprintf "%x%02x%02x", $1, $2, $3;
 185                                 $disabled_algorithms{$_} = 1 if $apiv ge $depv;
 186                         }
 187                 }
 188         }
 189         if (/^no-deprecated$/) {
 190                 foreach (keys %disabled_algorithms) {
 191                         if (/^DEPRECATEDIN_/) {
 192                                 $disabled_algorithms{$_} = 1;
 193                         }
 194                 }
 195         }
 196         elsif (/^(enable|disable|no)-(.*)$/) {
 197                 my $alg = uc $2;
 198         $alg =~ tr/-/_/;
 199                 if (exists $disabled_algorithms{$alg}) {
 200                         $disabled_algorithms{$alg} = $1 eq "enable" ? 0 : 1;
 201                 }
 202         }
 203
 204         }
 205
 206 if (!$libname) {
 207         if ($do_ssl) {
 208                 $libname="SSLEAY";
 209         }
 210         if ($do_crypto) {
 211                 $libname="LIBEAY";
 212         }
 213 }
 214
 215 # If no platform is given, assume WIN32
 216 if ($W32 + $VMS + $OS2 + $linux == 0) {
 217         $W32 = 1;
 218 }
 219 die "Please, only one platform at a time"
 220     if ($W32 + $VMS + $OS2 + $linux > 1);
 221
 222 if (!$do_ssl && !$do_crypto)
 223         {
 224         print STDERR "usage: $0 ( ssl | crypto ) [ 16 | 32 | NT | OS2 | linux | VMS ]\n";
 225         exit(1);
 226         }
 227
 228 %ssl_list=&load_numbers($ssl_num);
 229 $max_ssl = $max_num;
 230 %crypto_list=&load_numbers($crypto_num);
 231 $max_crypto = $max_num;
 232
 233 my $ssl="include/openssl/ssl.h";
 234 $ssl.=" include/openssl/tls1.h";
 235 $ssl.=" include/openssl/srtp.h";
 236
 237 # We use headers found in include/openssl and include/internal only.
 238 # The latter is needed so libssl.so/.dll/.exe can link properly.
 239 my $crypto ="include/openssl/crypto.h";
 240 $crypto.=" include/internal/o_dir.h";
 241 $crypto.=" include/internal/o_str.h";
 242 $crypto.=" include/openssl/des.h" ; # unless $no_des;
 243 $crypto.=" include/openssl/idea.h" ; # unless $no_idea;
 244 $crypto.=" include/openssl/rc4.h" ; # unless $no_rc4;
 245 $crypto.=" include/openssl/rc5.h" ; # unless $no_rc5;
 246 $crypto.=" include/openssl/rc2.h" ; # unless $no_rc2;
 247 $crypto.=" include/openssl/blowfish.h" ; # unless $no_bf;
 248 $crypto.=" include/openssl/cast.h" ; # unless $no_cast;
 249 $crypto.=" include/openssl/whrlpool.h" ;
 250 $crypto.=" include/openssl/md2.h" ; # unless $no_md2;
 251 $crypto.=" include/openssl/md4.h" ; # unless $no_md4;
 252 $crypto.=" include/openssl/md5.h" ; # unless $no_md5;
 253 $crypto.=" include/openssl/mdc2.h" ; # unless $no_mdc2;
 254 $crypto.=" include/openssl/sha.h" ; # unless $no_sha;
 255 $crypto.=" include/openssl/ripemd.h" ; # unless $no_ripemd;
 256 $crypto.=" include/openssl/aes.h" ; # unless $no_aes;
 257 $crypto.=" include/openssl/camellia.h" ; # unless $no_camellia;
 258 $crypto.=" include/openssl/seed.h"; # unless $no_seed;
 259
 260 $crypto.=" include/openssl/bn.h";
 261 $crypto.=" include/openssl/rsa.h" ; # unless $no_rsa;
 262 $crypto.=" include/openssl/dsa.h" ; # unless $no_dsa;
 263 $crypto.=" include/openssl/dh.h" ; # unless $no_dh;
 264 $crypto.=" include/openssl/ec.h" ; # unless $no_ec;
 265 $crypto.=" include/openssl/hmac.h" ; # unless $no_hmac;
 266 $crypto.=" include/openssl/cmac.h" ;
 267
 268 $crypto.=" include/openssl/engine.h"; # unless $no_engine;
 269 $crypto.=" include/openssl/stack.h" ; # unless $no_stack;
 270 $crypto.=" include/openssl/buffer.h" ; # unless $no_buffer;
 271 $crypto.=" include/openssl/bio.h" ; # unless $no_bio;
 272 $crypto.=" include/openssl/dso.h" ; # unless $no_dso;
 273 $crypto.=" include/openssl/lhash.h" ; # unless $no_lhash;
 274 $crypto.=" include/openssl/conf.h";
 275 $crypto.=" include/openssl/txt_db.h";
 276
 277 $crypto.=" include/openssl/evp.h" ; # unless $no_evp;
 278 $crypto.=" include/openssl/objects.h";
 279 $crypto.=" include/openssl/pem.h";
 280 #$crypto.=" include/openssl/meth.h";
 281 $crypto.=" include/openssl/asn1.h";
 282 $crypto.=" include/openssl/asn1t.h";
 283 $crypto.=" include/openssl/err.h" ; # unless $no_err;
 284 $crypto.=" include/openssl/pkcs7.h";
 285 $crypto.=" include/openssl/pkcs12.h";
 286 $crypto.=" include/openssl/x509.h";
 287 $crypto.=" include/openssl/x509_vfy.h";
 288 $crypto.=" include/openssl/x509v3.h";
 289 $crypto.=" include/openssl/ts.h";
 290 $crypto.=" include/openssl/rand.h";
 291 $crypto.=" include/openssl/comp.h" ; # unless $no_comp;
 292 $crypto.=" include/openssl/ocsp.h";
 293 $crypto.=" include/openssl/ui.h";
 294 #$crypto.=" include/openssl/store.h";
 295 $crypto.=" include/openssl/cms.h";
 296 $crypto.=" include/openssl/jpake.h";
 297 $crypto.=" include/openssl/srp.h";
 298 $crypto.=" include/openssl/modes.h";
 299 $crypto.=" include/openssl/async.h";
 300
 301 my $symhacks="include/openssl/symhacks.h";
 302
 303 my @ssl_symbols = &do_defs("SSLEAY", $ssl, $symhacks);
 304 my @crypto_symbols = &do_defs("LIBEAY", $crypto, $symhacks);
 305
 306 if ($do_update) {
 307
 308 if ($do_ssl == 1) {
 309
 310         &maybe_add_info("SSLEAY",*ssl_list,@ssl_symbols);
 311         if ($do_rewrite == 1) {
 312                 open(OUT, ">$ssl_num");
 313                 &rewrite_numbers(*OUT,"SSLEAY",*ssl_list,@ssl_symbols);
 314         } else {
 315                 open(OUT, ">>$ssl_num");
 316         }
 317         &update_numbers(*OUT,"SSLEAY",*ssl_list,$max_ssl,@ssl_symbols);
 318         close OUT;
 319 }
 320
 321 if($do_crypto == 1) {
 322
 323         &maybe_add_info("LIBEAY",*crypto_list,@crypto_symbols);
 324         if ($do_rewrite == 1) {
 325                 open(OUT, ">$crypto_num");
 326                 &rewrite_numbers(*OUT,"LIBEAY",*crypto_list,@crypto_symbols);
 327         } else {
 328                 open(OUT, ">>$crypto_num");
 329         }
 330         &update_numbers(*OUT,"LIBEAY",*crypto_list,$max_crypto,@crypto_symbols);
 331         close OUT;
 332 }
 333
 334 } elsif ($do_checkexist) {
 335         &check_existing(*ssl_list, @ssl_symbols)
 336                 if $do_ssl == 1;
 337         &check_existing(*crypto_list, @crypto_symbols)
 338                 if $do_crypto == 1;
 339 } elsif ($do_ctest || $do_ctestall) {
 340
 341         print <<"EOF";
 342
 343 /* Test file to check all DEF file symbols are present by trying
 344  * to link to all of them. This is *not* intended to be run!
 345  */
 346
 347 int main()
 348 {
 349 EOF
 350         &print_test_file(*STDOUT,"SSLEAY",*ssl_list,$do_ctestall,@ssl_symbols)
 351                 if $do_ssl == 1;
 352
 353         &print_test_file(*STDOUT,"LIBEAY",*crypto_list,$do_ctestall,@crypto_symbols)
 354                 if $do_crypto == 1;
 355
 356         print "}\n";
 357
 358 } else {
 359
 360         &print_def_file(*STDOUT,$libname,*ssl_list,@ssl_symbols)
 361                 if $do_ssl == 1;
 362
 363         &print_def_file(*STDOUT,$libname,*crypto_list,@crypto_symbols)
 364                 if $do_crypto == 1;
 365
 366 }
 367
 368
 369 sub do_defs
 370 {
 371         my($name,$files,$symhacksfile)=@_;
 372         my $file;
 373         my @ret;
 374         my %syms;
 375         my %platform;           # For anything undefined, we assume ""
 376         my %kind;               # For anything undefined, we assume "FUNCTION"
 377         my %algorithm;          # For anything undefined, we assume ""
 378         my %variant;
 379         my %variant_cnt;        # To be able to allocate "name{n}" if "name"
 380                                 # is the same name as the original.
 381         my $cpp;
 382         my %unknown_algorithms = ();
 383         my $parens = 0;
 384
 385         foreach $file (split(/\s+/,$symhacksfile." ".$files))
 386                 {
 387                 my $fn = catfile($config{sourcedir},$file);
 388                 print STDERR "DEBUG: starting on $fn:\n" if $debug;
 389                 open(IN,"<$fn") || die "unable to open $fn:$!\n";
 390                 my $line = "", my $def= "";
 391                 my %tag = (
 392                         (map { $_ => 0 } @known_platforms),
 393                         (map { "OPENSSL_SYS_".$_ => 0 } @known_ossl_platforms),
 394                         (map { "OPENSSL_NO_".$_ => 0 } @known_algorithms),
 395                         (map { "OPENSSL_USE_".$_ => 0 } @known_algorithms),
 396                         NOPROTO         => 0,
 397                         PERL5           => 0,
 398                         _WINDLL         => 0,
 399                         CONST_STRICT    => 0,
 400                         TRUE            => 1,
 401                 );
 402                 my $symhacking = $file eq $symhacksfile;
 403                 my @current_platforms = ();
 404                 my @current_algorithms = ();
 405
 406                 # params: symbol, alias, platforms, kind
 407                 # The reason to put this subroutine in a variable is that
 408                 # it will otherwise create it's own, unshared, version of
 409                 # %tag and %variant...
 410                 my $make_variant = sub
 411                 {
 412                         my ($s, $a, $p, $k) = @_;
 413                         my ($a1, $a2);
 414
 415                         print STDERR "DEBUG: make_variant: Entered with ",$s,", ",$a,", ",(defined($p)?$p:""),", ",(defined($k)?$k:""),"\n" if $debug;
 416                         if (defined($p))
 417                         {
 418                                 $a1 = join(",",$p,
 419                                            grep(!/^$/,
 420                                                 map { $tag{$_} == 1 ? $_ : "" }
 421                                                 @known_platforms));
 422                         }
 423                         else
 424                         {
 425                                 $a1 = join(",",
 426                                            grep(!/^$/,
 427                                                 map { $tag{$_} == 1 ? $_ : "" }
 428                                                 @known_platforms));
 429                         }
 430                         $a2 = join(",",
 431                                    grep(!/^$/,
 432                                         map { $tag{"OPENSSL_SYS_".$_} == 1 ? $_ : "" }
 433                                         @known_ossl_platforms));
 434                         print STDERR "DEBUG: make_variant: a1 = $a1; a2 = $a2\n" if $debug;
 435                         if ($a1 eq "") { $a1 = $a2; }
 436                         elsif ($a1 ne "" && $a2 ne "") { $a1 .= ",".$a2; }
 437                         if ($a eq $s)
 438                         {
 439                                 if (!defined($variant_cnt{$s}))
 440                                 {
 441                                         $variant_cnt{$s} = 0;
 442                                 }
 443                                 $variant_cnt{$s}++;
 444                                 $a .= "{$variant_cnt{$s}}";
 445                         }
 446                         my $toadd = $a.":".$a1.(defined($k)?":".$k:"");
 447                         my $togrep = $s.'(\{[0-9]+\})?:'.$a1.(defined($k)?":".$k:"");
 448                         if (!grep(/^$togrep$/,
 449                                   split(/;/, defined($variant{$s})?$variant{$s}:""))) {
 450                                 if (defined($variant{$s})) { $variant{$s} .= ";"; }
 451                                 $variant{$s} .= $toadd;
 452                         }
 453                         print STDERR "DEBUG: make_variant: Exit with variant of ",$s," = ",$variant{$s},"\n" if $debug;
 454                 };
 455
 456                 print STDERR "DEBUG: parsing ----------\n" if $debug;
 457                 while(<IN>) {
 458                         if($parens > 0) {
 459                                 #Inside a DEPRECATEDIN
 460                                 $stored_multiline .= $_;
 461                                 $stored_multiline =~ s|\R$||; # Better chomp
 462                                 print STDERR "DEBUG: Continuing multiline DEPRECATEDIN: $stored_multiline\n" if $debug;
 463                                 $parens = count_parens($stored_multiline);
 464                                 if ($parens == 0) {
 465                                         $def .= do_deprecated($stored_multiline,
 466                                                         \@current_platforms,
 467                                                         \@current_algorithms);
 468                                 }
 469                                 next;
 470                         }
 471                         if (/\/\* Error codes for the \w+ functions\. \*\//)
 472                                 {
 473                                 undef @tag;
 474                                 last;
 475                                 }
 476                         if ($line ne '') {
 477                                 $_ = $line . $_;
 478                                 $line = '';
 479                         }
 480
 481                         if (/\\$/) {
 482                                 $line = $`; # keep what was before the backslash
 483                                 next;
 484                         }
 485
 486                         if(/\/\*/) {
 487                                 if (not /\*\//) {       # multiline comment...
 488                                         $line = $_;     # ... just accumulate
 489                                         next;
 490                                 } else {
 491                                         s/\/\*.*?\*\///gs;# wipe it
 492                                 }
 493                         }
 494
 495                         if ($cpp) {
 496                                 $cpp++ if /^#\s*if/;
 497                                 $cpp-- if /^#\s*endif/;
 498                                 next;
 499                         }
 500                         $cpp = 1 if /^#.*ifdef.*cplusplus/;
 501
 502                         s/{[^{}]*}//gs;                      # ignore {} blocks
 503                         print STDERR "DEBUG: \$def=\"$def\"\n" if $debug && $def ne "";
 504                         print STDERR "DEBUG: \$_=\"$_\"\n" if $debug;
 505                         if (/^\#\s*ifndef\s+(.*)/) {
 506                                 push(@tag,"-");
 507                                 push(@tag,$1);
 508                                 $tag{$1}=-1;
 509                                 print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
 510                         } elsif (/^\#\s*if\s+!defined\(([^\)]+)\)/) {
 511                                 push(@tag,"-");
 512                                 if (/^\#\s*if\s+(!defined\(([^\)]+)\)(\s+\&\&\s+!defined\(([^\)]+)\))*)$/) {
 513                                         my $tmp_1 = $1;
 514                                         my $tmp_;
 515                                         foreach $tmp_ (split '\&\&',$tmp_1) {
 516                                                 $tmp_ =~ /!defined\(([^\)]+)\)/;
 517                                                 print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
 518                                                 push(@tag,$1);
 519                                                 $tag{$1}=-1;
 520                                         }
 521                                 } else {
 522                                         print STDERR "Warning: $file: complicated expression: $_" if $debug; # because it is O...
 523                                         print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
 524                                         push(@tag,$1);
 525                                         $tag{$1}=-1;
 526                                 }
 527                         } elsif (/^\#\s*ifdef\s+(\S*)/) {
 528                                 push(@tag,"-");
 529                                 push(@tag,$1);
 530                                 $tag{$1}=1;
 531                                 print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
 532                         } elsif (/^\#\s*if\s+defined\(([^\)]+)\)/) {
 533                                 push(@tag,"-");
 534                                 if (/^\#\s*if\s+(defined\(([^\)]+)\)(\s+\|\|\s+defined\(([^\)]+)\))*)$/) {
 535                                         my $tmp_1 = $1;
 536                                         my $tmp_;
 537                                         foreach $tmp_ (split '\|\|',$tmp_1) {
 538                                                 $tmp_ =~ /defined\(([^\)]+)\)/;
 539                                                 print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
 540                                                 push(@tag,$1);
 541                                                 $tag{$1}=1;
 542                                         }
 543                                 } else {
 544                                         print STDERR "Warning: $file: complicated expression: $_\n" if $debug; # because it is O...
 545                                         print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
 546                                         push(@tag,$1);
 547                                         $tag{$1}=1;
 548                                 }
 549                         } elsif (/^\#\s*error\s+(\w+) is disabled\./) {
 550                                 my $tag_i = $#tag;
 551                                 while($tag[$tag_i] ne "-") {
 552                                         if ($tag[$tag_i] eq "OPENSSL_NO_".$1) {
 553                                                 $tag{$tag[$tag_i]}=2;
 554                                                 print STDERR "DEBUG: $file: chaged tag $1 = 2\n" if $debug;
 555                                         }
 556                                         $tag_i--;
 557                                 }
 558                         } elsif (/^\#\s*endif/) {
 559                                 my $tag_i = $#tag;
 560                                 while($tag_i > 0 && $tag[$tag_i] ne "-") {
 561                                         my $t=$tag[$tag_i];
 562                                         print STDERR "DEBUG: \$t=\"$t\"\n" if $debug;
 563                                         if ($tag{$t}==2) {
 564                                                 $tag{$t}=-1;
 565                                         } else {
 566                                                 $tag{$t}=0;
 567                                         }
 568                                         print STDERR "DEBUG: $file: changed tag ",$t," = ",$tag{$t},"\n" if $debug;
 569                                         pop(@tag);
 570                                         if ($t =~ /^OPENSSL_NO_([A-Z0-9_]+)$/) {
 571                                                 $t=$1;
 572                                         } elsif($t =~ /^OPENSSL_USE_([A-Z0-9_]+)$/) {
 573                                                 $t=$1;
 574                                         } else {
 575                                                 $t="";
 576                                         }
 577                                         if ($t ne ""
 578                                             && !grep(/^$t$/, @known_algorithms)) {
 579                                                 $unknown_algorithms{$t} = 1;
 580                                                 #print STDERR "DEBUG: Added as unknown algorithm: $t\n" if $debug;
 581                                         }
 582                                         $tag_i--;
 583                                 }
 584                                 pop(@tag);
 585                         } elsif (/^\#\s*else/) {
 586                                 my $tag_i = $#tag;
 587                                 while($tag[$tag_i] ne "-") {
 588                                         my $t=$tag[$tag_i];
 589                                         $tag{$t}= -$tag{$t};
 590                                         print STDERR "DEBUG: $file: changed tag ",$t," = ",$tag{$t},"\n" if $debug;
 591                                         $tag_i--;
 592                                 }
 593                         } elsif (/^\#\s*if\s+1/) {
 594                                 push(@tag,"-");
 595                                 # Dummy tag
 596                                 push(@tag,"TRUE");
 597                                 $tag{"TRUE"}=1;
 598                                 print STDERR "DEBUG: $file: found 1\n" if $debug;
 599                         } elsif (/^\#\s*if\s+0/) {
 600                                 push(@tag,"-");
 601                                 # Dummy tag
 602                                 push(@tag,"TRUE");
 603                                 $tag{"TRUE"}=-1;
 604                                 print STDERR "DEBUG: $file: found 0\n" if $debug;
 605                         } elsif (/^\#\s*define\s+(\w+)\s+(\w+)/
 606                                  && $symhacking && $tag{'TRUE'} != -1) {
 607                                 # This is for aliasing.  When we find an alias,
 608                                 # we have to invert
 609                                 &$make_variant($1,$2);
 610                                 print STDERR "DEBUG: $file: defined $1 = $2\n" if $debug;
 611                         }
 612                         if (/^\#/) {
 613                                 @current_platforms =
 614                                     grep(!/^$/,
 615                                          map { $tag{$_} == 1 ? $_ :
 616                                                    $tag{$_} == -1 ? "!".$_  : "" }
 617                                          @known_platforms);
 618                                 push @current_platforms
 619                                     , grep(!/^$/,
 620                                            map { $tag{"OPENSSL_SYS_".$_} == 1 ? $_ :
 621                                                      $tag{"OPENSSL_SYS_".$_} == -1 ? "!".$_  : "" }
 622                                            @known_ossl_platforms);
 623                                 @current_algorithms = ();
 624                                 @current_algorithms =
 625                                     grep(!/^$/,
 626                                          map { $tag{"OPENSSL_NO_".$_} == -1 ? $_ : "" }
 627                                          @known_algorithms);
 628                                 push @current_algorithms
 629                                     , grep(!/^$/,
 630                                          map { $tag{"OPENSSL_USE_".$_} == 1 ? $_ : "" }
 631                                          @known_algorithms);
 632                                 $def .=
 633                                     "#INFO:"
 634                                         .join(',',@current_platforms).":"
 635                                             .join(',',@current_algorithms).";";
 636                                 next;
 637                         }
 638                         if ($tag{'TRUE'} != -1) {
 639                                 if (/^\s*DECLARE_STACK_OF\s*\(\s*(\w*)\s*\)/) {
 640                                         next;
 641                                 } elsif (/^\s*DECLARE_ASN1_ENCODE_FUNCTIONS\s*\(\s*(\w*)\s*,\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 642                                         $def .= "int d2i_$3(void);";
 643                                         $def .= "int i2d_$3(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_fname\s*\(\s*(\w*)\s*,\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 664                                         $def .= "int d2i_$3(void);";
 665                                         $def .= "int i2d_$3(void);";
 666                                         $def .= "int $3_free(void);";
 667                                         $def .= "int $3_new(void);";
 668                                         # Variant for platforms that do not
 669                                         # have to access globale variables
 670                                         # in shared libraries through functions
 671                                         $def .=
 672                                             "#INFO:"
 673                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 674                                                     .join(',',@current_algorithms).";";
 675                                         $def .= "OPENSSL_EXTERN int $2_it;";
 676                                         $def .=
 677                                             "#INFO:"
 678                                                 .join(',',@current_platforms).":"
 679                                                     .join(',',@current_algorithms).";";
 680                                         # Variant for platforms that have to
 681                                         # access globale variables in shared
 682                                         # libraries through functions
 683                                         &$make_variant("$2_it","$2_it",
 684                                                       "EXPORT_VAR_AS_FUNCTION",
 685                                                       "FUNCTION");
 686                                         next;
 687                                 } elsif (/^\s*DECLARE_ASN1_FUNCTIONS\s*\(\s*(\w*)\s*\)/ ||
 688                                          /^\s*DECLARE_ASN1_FUNCTIONS_const\s*\(\s*(\w*)\s*\)/) {
 689                                         $def .= "int d2i_$1(void);";
 690                                         $def .= "int i2d_$1(void);";
 691                                         $def .= "int $1_free(void);";
 692                                         $def .= "int $1_new(void);";
 693                                         # Variant for platforms that do not
 694                                         # have to access globale variables
 695                                         # in shared libraries through functions
 696                                         $def .=
 697                                             "#INFO:"
 698                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 699                                                     .join(',',@current_algorithms).";";
 700                                         $def .= "OPENSSL_EXTERN int $1_it;";
 701                                         $def .=
 702                                             "#INFO:"
 703                                                 .join(',',@current_platforms).":"
 704                                                     .join(',',@current_algorithms).";";
 705                                         # Variant for platforms that have to
 706                                         # access globale variables in shared
 707                                         # libraries through functions
 708                                         &$make_variant("$1_it","$1_it",
 709                                                       "EXPORT_VAR_AS_FUNCTION",
 710                                                       "FUNCTION");
 711                                         next;
 712                                 } elsif (/^\s*DECLARE_ASN1_ENCODE_FUNCTIONS_const\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 713                                         $def .= "int d2i_$2(void);";
 714                                         $def .= "int i2d_$2(void);";
 715                                         # Variant for platforms that do not
 716                                         # have to access globale variables
 717                                         # in shared libraries through functions
 718                                         $def .=
 719                                             "#INFO:"
 720                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 721                                                     .join(',',@current_algorithms).";";
 722                                         $def .= "OPENSSL_EXTERN int $2_it;";
 723                                         $def .=
 724                                             "#INFO:"
 725                                                 .join(',',@current_platforms).":"
 726                                                     .join(',',@current_algorithms).";";
 727                                         # Variant for platforms that have to
 728                                         # access globale variables in shared
 729                                         # libraries through functions
 730                                         &$make_variant("$2_it","$2_it",
 731                                                       "EXPORT_VAR_AS_FUNCTION",
 732                                                       "FUNCTION");
 733                                         next;
 734                                 } elsif (/^\s*DECLARE_ASN1_ALLOC_FUNCTIONS\s*\(\s*(\w*)\s*\)/) {
 735                                         $def .= "int $1_free(void);";
 736                                         $def .= "int $1_new(void);";
 737                                         next;
 738                                 } elsif (/^\s*DECLARE_ASN1_FUNCTIONS_name\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 739                                         $def .= "int d2i_$2(void);";
 740                                         $def .= "int i2d_$2(void);";
 741                                         $def .= "int $2_free(void);";
 742                                         $def .= "int $2_new(void);";
 743                                         # Variant for platforms that do not
 744                                         # have to access globale variables
 745                                         # in shared libraries through functions
 746                                         $def .=
 747                                             "#INFO:"
 748                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 749                                                     .join(',',@current_algorithms).";";
 750                                         $def .= "OPENSSL_EXTERN int $2_it;";
 751                                         $def .=
 752                                             "#INFO:"
 753                                                 .join(',',@current_platforms).":"
 754                                                     .join(',',@current_algorithms).";";
 755                                         # Variant for platforms that have to
 756                                         # access globale variables in shared
 757                                         # libraries through functions
 758                                         &$make_variant("$2_it","$2_it",
 759                                                       "EXPORT_VAR_AS_FUNCTION",
 760                                                       "FUNCTION");
 761                                         next;
 762                                 } elsif (/^\s*DECLARE_ASN1_ITEM\s*\(\s*(\w*)\s*\)/) {
 763                                         # Variant for platforms that do not
 764                                         # have to access globale variables
 765                                         # in shared libraries through functions
 766                                         $def .=
 767                                             "#INFO:"
 768                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 769                                                     .join(',',@current_algorithms).";";
 770                                         $def .= "OPENSSL_EXTERN int $1_it;";
 771                                         $def .=
 772                                             "#INFO:"
 773                                                 .join(',',@current_platforms).":"
 774                                                     .join(',',@current_algorithms).";";
 775                                         # Variant for platforms that have to
 776                                         # access globale variables in shared
 777                                         # libraries through functions
 778                                         &$make_variant("$1_it","$1_it",
 779                                                       "EXPORT_VAR_AS_FUNCTION",
 780                                                       "FUNCTION");
 781                                         next;
 782                                 } elsif (/^\s*DECLARE_ASN1_NDEF_FUNCTION\s*\(\s*(\w*)\s*\)/) {
 783                                         $def .= "int i2d_$1_NDEF(void);";
 784                                 } elsif (/^\s*DECLARE_ASN1_SET_OF\s*\(\s*(\w*)\s*\)/) {
 785                                         next;
 786                                 } elsif (/^\s*DECLARE_ASN1_PRINT_FUNCTION\s*\(\s*(\w*)\s*\)/) {
 787                                         $def .= "int $1_print_ctx(void);";
 788                                         next;
 789                                 } elsif (/^\s*DECLARE_ASN1_PRINT_FUNCTION_name\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 790                                         $def .= "int $2_print_ctx(void);";
 791                                         next;
 792                                 } elsif (/^\s*DECLARE_PKCS12_STACK_OF\s*\(\s*(\w*)\s*\)/) {
 793                                         next;
 794                                 } elsif (/^DECLARE_PEM_rw\s*\(\s*(\w*)\s*,/ ||
 795                                          /^DECLARE_PEM_rw_cb\s*\(\s*(\w*)\s*,/ ||
 796                                          /^DECLARE_PEM_rw_const\s*\(\s*(\w*)\s*,/ ) {
 797                                         $def .=
 798                                             "#INFO:"
 799                                                 .join(',',@current_platforms).":"
 800                                                     .join(',',@current_algorithms).";";
 801                                         $def .= "int PEM_read_$1(void);";
 802                                         $def .= "int PEM_write_$1(void);";
 803                                         $def .=
 804                                             "#INFO:"
 805                                                 .join(',',@current_platforms).":"
 806                                                     .join(',',@current_algorithms).";";
 807                                         # Things that are everywhere
 808                                         $def .= "int PEM_read_bio_$1(void);";
 809                                         $def .= "int PEM_write_bio_$1(void);";
 810                                         next;
 811                                 } elsif (/^DECLARE_PEM_write\s*\(\s*(\w*)\s*,/ ||
 812                                         /^DECLARE_PEM_write_const\s*\(\s*(\w*)\s*,/ ||
 813                                          /^DECLARE_PEM_write_cb\s*\(\s*(\w*)\s*,/ ) {
 814                                         $def .=
 815                                             "#INFO:"
 816                                                 .join(',',@current_platforms).":"
 817                                                     .join(',',@current_algorithms).";";
 818                                         $def .= "int PEM_write_$1(void);";
 819                                         $def .=
 820                                             "#INFO:"
 821                                                 .join(',',@current_platforms).":"
 822                                                     .join(',',@current_algorithms).";";
 823                                         # Things that are everywhere
 824                                         $def .= "int PEM_write_bio_$1(void);";
 825                                         next;
 826                                 } elsif (/^DECLARE_PEM_read\s*\(\s*(\w*)\s*,/ ||
 827                                          /^DECLARE_PEM_read_cb\s*\(\s*(\w*)\s*,/ ) {
 828                                         $def .=
 829                                             "#INFO:"
 830                                                 .join(',',@current_platforms).":"
 831                                                     .join(',',@current_algorithms).";";
 832                                         $def .= "int PEM_read_$1(void);";
 833                                         $def .=
 834                                             "#INFO:"
 835                                                 .join(',',@current_platforms).":"
 836                                                     .join(',',@current_algorithms).";";
 837                                         # Things that are everywhere
 838                                         $def .= "int PEM_read_bio_$1(void);";
 839                                         next;
 840                                 } elsif (/^OPENSSL_DECLARE_GLOBAL\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 841                                         # Variant for platforms that do not
 842                                         # have to access globale variables
 843                                         # in shared libraries through functions
 844                                         $def .=
 845                                             "#INFO:"
 846                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
 847                                                     .join(',',@current_algorithms).";";
 848                                         $def .= "OPENSSL_EXTERN int _shadow_$2;";
 849                                         $def .=
 850                                             "#INFO:"
 851                                                 .join(',',@current_platforms).":"
 852                                                     .join(',',@current_algorithms).";";
 853                                         # Variant for platforms that have to
 854                                         # access globale variables in shared
 855                                         # libraries through functions
 856                                         &$make_variant("_shadow_$2","_shadow_$2",
 857                                                       "EXPORT_VAR_AS_FUNCTION",
 858                                                       "FUNCTION");
 859                                 } elsif (/^\s*DEPRECATEDIN/) {
 860                                         $parens = count_parens($_);
 861                                         if ($parens == 0) {
 862                                                 $def .= do_deprecated($_,
 863                                                         \@current_platforms,
 864                                                         \@current_algorithms);
 865                                         } else {
 866                                                 $stored_multiline = $_;
 867                                                 $stored_multiline =~ s|\R$||;
 868                                                 print STDERR "DEBUG: Found multiline DEPRECATEDIN starting with: $stored_multiline\n" if $debug;
 869                                                 next;
 870                                         }
 871                                 } elsif ($tag{'CONST_STRICT'} != 1) {
 872                                         if (/\{|\/\*|\([^\)]*$/) {
 873                                                 $line = $_;
 874                                         } else {
 875                                                 $def .= $_;
 876                                         }
 877                                 }
 878                         }
 879                 }
 880                 close(IN);
 881
 882                 my $algs;
 883                 my $plays;
 884
 885                 print STDERR "DEBUG: postprocessing ----------\n" if $debug;
 886                 foreach (split /;/, $def) {
 887                         my $s; my $k = "FUNCTION"; my $p; my $a;
 888                         s/^[\n\s]*//g;
 889                         s/[\n\s]*$//g;
 890                         next if(/\#undef/);
 891                         next if(/typedef\W/);
 892                         next if(/\#define/);
 893
 894                         # Reduce argument lists to empty ()
 895                         # fold round brackets recursively: (t(*v)(t),t) -> (t{}{},t) -> {}
 896                         while(/\(.*\)/s) {
 897                                 s/\([^\(\)]+\)/\{\}/gs;
 898                                 s/\(\s*\*\s*(\w+)\s*\{\}\s*\)/$1/gs;    #(*f{}) -> f
 899                         }
 900                         # pretend as we didn't use curly braces: {} -> ()
 901                         s/\{\}/\(\)/gs;
 902
 903                         s/STACK_OF\(\)/void/gs;
 904                         s/LHASH_OF\(\)/void/gs;
 905
 906                         print STDERR "DEBUG: \$_ = \"$_\"\n" if $debug;
 907                         if (/^\#INFO:([^:]*):(.*)$/) {
 908                                 $plats = $1;
 909                                 $algs = $2;
 910                                 print STDERR "DEBUG: found info on platforms ($plats) and algorithms ($algs)\n" if $debug;
 911                                 next;
 912                         } elsif (/^\s*OPENSSL_EXTERN\s.*?(\w+(\{[0-9]+\})?)(\[[0-9]*\])*\s*$/) {
 913                                 $s = $1;
 914                                 $k = "VARIABLE";
 915                                 print STDERR "DEBUG: found external variable $s\n" if $debug;
 916                         } elsif (/TYPEDEF_\w+_OF/s) {
 917                                 next;
 918                         } elsif (/(\w+)\s*\(\).*/s) {   # first token prior [first] () is
 919                                 $s = $1;                # a function name!
 920                                 print STDERR "DEBUG: found function $s\n" if $debug;
 921                         } elsif (/\(/ and not (/=/)) {
 922                                 print STDERR "File $file: cannot parse: $_;\n";
 923                                 next;
 924                         } else {
 925                                 next;
 926                         }
 927
 928                         $syms{$s} = 1;
 929                         $kind{$s} = $k;
 930
 931                         $p = $plats;
 932                         $a = $algs;
 933
 934                         $platform{$s} =
 935                             &reduce_platforms((defined($platform{$s})?$platform{$s}.',':"").$p);
 936                         $algorithm{$s} .= ','.$a;
 937
 938                         if (defined($variant{$s})) {
 939                                 foreach $v (split /;/,$variant{$s}) {
 940                                         (my $r, my $p, my $k) = split(/:/,$v);
 941                                         my $ip = join ',',map({ /^!(.*)$/ ? $1 : "!".$_ } split /,/, $p);
 942                                         $syms{$r} = 1;
 943                                         if (!defined($k)) { $k = $kind{$s}; }
 944                                         $kind{$r} = $k."(".$s.")";
 945                                         $algorithm{$r} = $algorithm{$s};
 946                                         $platform{$r} = &reduce_platforms($platform{$s}.",".$p.",".$p);
 947                                         $platform{$s} = &reduce_platforms($platform{$s}.','.$ip.','.$ip);
 948                                         print STDERR "DEBUG: \$variant{\"$s\"} = ",$v,"; \$r = $r; \$p = ",$platform{$r},"; \$a = ",$algorithm{$r},"; \$kind = ",$kind{$r},"\n" if $debug;
 949                                 }
 950                         }
 951                         print STDERR "DEBUG: \$s = $s; \$p = ",$platform{$s},"; \$a = ",$algorithm{$s},"; \$kind = ",$kind{$s},"\n" if $debug;
 952                 }
 953         }
 954
 955         # Prune the returned symbols
 956
 957         delete $syms{"bn_dump1"};
 958         $platform{"BIO_s_log"} .= ",!WIN32,!macintosh";
 959
 960         $platform{"PEM_read_NS_CERT_SEQ"} = "VMS";
 961         $platform{"PEM_write_NS_CERT_SEQ"} = "VMS";
 962         $platform{"PEM_read_P8_PRIV_KEY_INFO"} = "VMS";
 963         $platform{"PEM_write_P8_PRIV_KEY_INFO"} = "VMS";
 964         $platform{"EVP_sha384"} = "!VMSVAX";
 965         $platform{"EVP_sha512"} = "!VMSVAX";
 966         $platform{"SHA384_Init"} = "!VMSVAX";
 967         $platform{"SHA384_Transform"} = "!VMSVAX";
 968         $platform{"SHA384_Update"} = "!VMSVAX";
 969         $platform{"SHA384_Final"} = "!VMSVAX";
 970         $platform{"SHA384"} = "!VMSVAX";
 971         $platform{"SHA512_Init"} = "!VMSVAX";
 972         $platform{"SHA512_Transform"} = "!VMSVAX";
 973         $platform{"SHA512_Update"} = "!VMSVAX";
 974         $platform{"SHA512_Final"} = "!VMSVAX";
 975         $platform{"SHA512"} = "!VMSVAX";
 976
 977
 978         # Info we know about
 979
 980         push @ret, map { $_."\\".&info_string($_,"EXIST",
 981                                               $platform{$_},
 982                                               $kind{$_},
 983                                               $algorithm{$_}) } keys %syms;
 984
 985         if (keys %unknown_algorithms) {
 986                 print STDERR "WARNING: mkdef.pl doesn't know the following algorithms:\n";
 987                 print STDERR "\t",join("\n\t",keys %unknown_algorithms),"\n";
 988         }
 989         return(@ret);
 990 }
 991
 992 # Param: string of comma-separated platform-specs.
 993 sub reduce_platforms
 994 {
 995         my ($platforms) = @_;
 996         my $pl = defined($platforms) ? $platforms : "";
 997         my %p = map { $_ => 0 } split /,/, $pl;
 998         my $ret;
 999
1000         print STDERR "DEBUG: Entered reduce_platforms with \"$platforms\"\n"
1001             if $debug;
1002         # We do this, because if there's code like the following, it really
1003         # means the function exists in all cases and should therefore be
1004         # everywhere.  By increasing and decreasing, we may attain 0:
1005         #
1006         # ifndef WIN16
1007         #    int foo();
1008         # else
1009         #    int _fat foo();
1010         # endif
1011         foreach $platform (split /,/, $pl) {
1012                 if ($platform =~ /^!(.*)$/) {
1013                         $p{$1}--;
1014                 } else {
1015                         $p{$platform}++;
1016                 }
1017         }
1018         foreach $platform (keys %p) {
1019                 if ($p{$platform} == 0) { delete $p{$platform}; }
1020         }
1021
1022         delete $p{""};
1023
1024         $ret = join(',',sort(map { $p{$_} < 0 ? "!".$_ : $_ } keys %p));
1025         print STDERR "DEBUG: Exiting reduce_platforms with \"$ret\"\n"
1026             if $debug;
1027         return $ret;
1028 }
1029
1030 sub info_string
1031 {
1032         (my $symbol, my $exist, my $platforms, my $kind, my $algorithms) = @_;
1033
1034         my %a = defined($algorithms) ?
1035             map { $_ => 1 } split /,/, $algorithms : ();
1036         my $k = defined($kind) ? $kind : "FUNCTION";
1037         my $ret;
1038         my $p = &reduce_platforms($platforms);
1039
1040         delete $a{""};
1041
1042         $ret = $exist;
1043         $ret .= ":".$p;
1044         $ret .= ":".$k;
1045         $ret .= ":".join(',',sort keys %a);
1046         return $ret;
1047 }
1048
1049 sub maybe_add_info
1050 {
1051         (my $name, *nums, my @symbols) = @_;
1052         my $sym;
1053         my $new_info = 0;
1054         my %syms=();
1055
1056         foreach $sym (@symbols) {
1057                 (my $s, my $i) = split /\\/, $sym;
1058                 if (defined($nums{$s})) {
1059                         $i =~ s/^(.*?:.*?:\w+)(\(\w+\))?/$1/;
1060                         (my $n, my $vers, my $dummy) = split /\\/, $nums{$s};
1061                         if (!defined($dummy) || $i ne $dummy) {
1062                                 $nums{$s} = $n."\\".$vers."\\".$i;
1063                                 $new_info++;
1064                                 print STDERR "DEBUG: maybe_add_info for $s: \"$dummy\" => \"$i\"\n" if $debug;
1065                         }
1066                 }
1067                 $syms{$s} = 1;
1068         }
1069
1070         my @s=sort { &parse_number($nums{$a},"n") <=> &parse_number($nums{$b},"n") } keys %nums;
1071         foreach $sym (@s) {
1072                 (my $n, my $vers, my $i) = split /\\/, $nums{$sym};
1073                 if (!defined($syms{$sym}) && $i !~ /^NOEXIST:/) {
1074                         $new_info++;
1075                         print STDERR "DEBUG: maybe_add_info for $sym: -> undefined\n" if $debug;
1076                 }
1077         }
1078         if ($new_info) {
1079                 print STDERR "$name: $new_info old symbols have updated info\n";
1080                 if (!$do_rewrite) {
1081                         print STDERR "You should do a rewrite to fix this.\n";
1082                 }
1083         } else {
1084         }
1085 }
1086
1087 # Param: string of comma-separated keywords, each possibly prefixed with a "!"
1088 sub is_valid
1089 {
1090         my ($keywords_txt,$platforms) = @_;
1091         my (@keywords) = split /,/,$keywords_txt;
1092         my ($falsesum, $truesum) = (0, 1);
1093
1094         # Param: one keyword
1095         sub recognise
1096         {
1097                 my ($keyword,$platforms) = @_;
1098
1099                 if ($platforms) {
1100                         # platforms
1101                         if ($keyword eq "VMSVAX" && $VMSVAX) { return 1; }
1102                         if ($keyword eq "VMSNonVAX" && $VMSNonVAX) { return 1; }
1103                         if ($keyword eq "VMS" && $VMS) { return 1; }
1104                         if ($keyword eq "WIN32" && $W32) { return 1; }
1105                         if ($keyword eq "WINNT" && $NT) { return 1; }
1106                         if ($keyword eq "OS2" && $OS2) { return 1; }
1107                         # Special platforms:
1108                         # EXPORT_VAR_AS_FUNCTION means that global variables
1109                         # will be represented as functions.  This currently
1110                         # only happens on VMS-VAX.
1111                         if ($keyword eq "EXPORT_VAR_AS_FUNCTION" && ($VMSVAX || $W32)) {
1112                                 return 1;
1113                         }
1114                         if ($keyword eq "ZLIB" && $zlib) { return 1; }
1115                         return 0;
1116                 } else {
1117                         # algorithms
1118                         if ($disabled_algorithms{$keyword} == 1) { return 0;}
1119
1120                         # Nothing recognise as true
1121                         return 1;
1122                 }
1123         }
1124
1125         foreach $k (@keywords) {
1126                 if ($k =~ /^!(.*)$/) {
1127                         $falsesum += &recognise($1,$platforms);
1128                 } else {
1129                         $truesum *= &recognise($k,$platforms);
1130                 }
1131         }
1132         print STDERR "DEBUG: [",$#keywords,",",$#keywords < 0,"] is_valid($keywords_txt) => (\!$falsesum) && $truesum = ",(!$falsesum) && $truesum,"\n" if $debug;
1133         return (!$falsesum) && $truesum;
1134 }
1135
1136 sub print_test_file
1137 {
1138         (*OUT,my $name,*nums,my $testall,my @symbols)=@_;
1139         my $n = 1; my @e; my @r;
1140         my $sym; my $prev = ""; my $prefSSLeay;
1141
1142         (@e)=grep(/^SSLeay(\{[0-9]+\})?\\.*?:.*?:.*/,@symbols);
1143         (@r)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:.*/ && !/^SSLeay(\{[0-9]+\})?\\.*?:.*?:.*/,@symbols);
1144         @symbols=((sort @e),(sort @r));
1145
1146         foreach $sym (@symbols) {
1147                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1148                 my $v = 0;
1149                 $v = 1 if $i=~ /^.*?:.*?:VARIABLE/;
1150                 my $p = ($i =~ /^[^:]*:([^:]*):/,$1);
1151                 my $a = ($i =~ /^[^:]*:[^:]*:[^:]*:([^:]*)/,$1);
1152                 if (!defined($nums{$s})) {
1153                         print STDERR "Warning: $s does not have a number assigned\n"
1154                             if(!$do_update);
1155                 } elsif (is_valid($p,1) && is_valid($a,0)) {
1156                         my $s2 = ($s =~ /^(.*?)(\{[0-9]+\})?$/, $1);
1157                         if ($prev eq $s2) {
1158                                 print OUT "\t/* The following has already appeared previously */\n";
1159                                 print STDERR "Warning: Symbol '",$s2,"' redefined. old=",($nums{$prev} =~ /^(.*?)\\/,$1),", new=",($nums{$s2} =~ /^(.*?)\\/,$1),"\n";
1160                         }
1161                         $prev = $s2;    # To warn about duplicates...
1162
1163                         (my $nn, my $vers, my $ni) = split /\\/, $nums{$s2};
1164                         if ($v) {
1165                                 print OUT "\textern int $s2; /* type unknown */ /* $nn $ni */\n";
1166                         } else {
1167                                 print OUT "\textern int $s2(); /* type unknown */ /* $nn $ni */\n";
1168                         }
1169                 }
1170         }
1171 }
1172
1173 sub get_version
1174 {
1175    return $config{version};
1176 }
1177
1178 sub print_def_file
1179 {
1180         (*OUT,my $name,*nums,my @symbols)=@_;
1181         my $n = 1; my @e; my @r; my @v; my $prev="";
1182         my $liboptions="";
1183         my $libname = $name;
1184         my $http_vendor = 'www.openssl.org/';
1185         my $version = get_version();
1186         my $what = "OpenSSL: implementation of Secure Socket Layer";
1187         my $description = "$what $version, $name - http://$http_vendor";
1188         my $prevsymversion = "", $prevprevsymversion = "";
1189         # For VMS
1190         my $prevnum = 0;
1191         my $symvtextcount = 0;
1192
1193         if ($W32)
1194                 { $libname.="32"; }
1195         elsif ($OS2)
1196                 { # DLL names should not clash on the whole system.
1197                   # However, they should not have any particular relationship
1198                   # to the name of the static library.  Chose descriptive names
1199                   # (must be at most 8 chars).
1200                   my %translate = (ssl => 'open_ssl', crypto => 'cryptssl');
1201                   $libname = $translate{$name} || $name;
1202                   $liboptions = <<EOO;
1203 INITINSTANCE
1204 DATA MULTIPLE NONSHARED
1205 EOO
1206                   # Vendor field can't contain colon, drat; so we omit http://
1207                   $description = "\@#$http_vendor:$version#\@$what; DLL for library $name.  Build for EMX -Zmtd";
1208                 }
1209
1210         if ($W32 || $OS2)
1211                 {
1212                 print OUT <<"EOF";
1213 ;
1214 ; Definition file for the DLL version of the $name library from OpenSSL
1215 ;
1216
1217 LIBRARY         $libname        $liboptions
1218
1219 EOF
1220
1221                 print "EXPORTS\n";
1222                 }
1223         elsif ($VMS)
1224                 {
1225                 print OUT <<"EOF";
1226 CASE_SENSITIVE=YES
1227 SYMBOL_VECTOR=(-
1228 EOF
1229                 $symvtextcount = 16; # length of "SYMBOL_VECTOR=(-"
1230                 }
1231
1232         (@r)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:FUNCTION/,@symbols);
1233         (@v)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:VARIABLE/,@symbols);
1234         if ($VMS) {
1235             # VMS needs to have the symbols on slot number order
1236             @symbols=(map { $_->[1] }
1237                       sort { $a->[0] <=> $b->[0] }
1238                       map { (my $s, my $i) = $_ =~ /^(.*?)\\(.*)$/;
1239                             die "Error: $s doesn't have a number assigned\n"
1240                                 if !defined($nums{$s});
1241                             (my $n, my @rest) = split /\\/, $nums{$s};
1242                             [ $n, $_ ] } (@e, @r, @v));
1243         } else {
1244             @symbols=((sort @e),(sort @r), (sort @v));
1245         }
1246
1247         my ($baseversion, $currversion) = get_openssl_version();
1248         my $thisversion;
1249         do {
1250                 if (!defined($thisversion)) {
1251                         $thisversion = $baseversion;
1252                 } else {
1253                         $thisversion = get_next_version($thisversion);
1254                 }
1255                 foreach $sym (@symbols) {
1256                         (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1257                         my $v = 0;
1258                         $v = 1 if $i =~ /^.*?:.*?:VARIABLE/;
1259                         if (!defined($nums{$s})) {
1260                                 die "Error: $s does not have a number assigned\n"
1261                                         if(!$do_update);
1262                         } else {
1263                                 (my $n, my $symversion, my $dummy) = split /\\/, $nums{$s};
1264                                 next if $symversion ne $thisversion;
1265                                 my %pf = ();
1266                                 my $p = ($i =~ /^[^:]*:([^:]*):/,$1);
1267                                 my $a = ($i =~ /^[^:]*:[^:]*:[^:]*:([^:]*)/,$1);
1268                                 if (is_valid($p,1) && is_valid($a,0)) {
1269                                         my $s2 = ($s =~ /^(.*?)(\{[0-9]+\})?$/, $1);
1270                                         if ($prev eq $s2) {
1271                                                 print STDERR "Warning: Symbol '",$s2,
1272                                                         "' redefined. old=",($nums{$prev} =~ /^(.*?)\\/,$1),
1273                                                         ", new=",($nums{$s2} =~ /^(.*?)\\/,$1),"\n";
1274                                         }
1275                                         $prev = $s2;    # To warn about duplicates...
1276                                         if($linux) {
1277                                                 if ($symversion ne $prevsymversion) {
1278                                                         if ($prevsymversion ne "") {
1279                                                                 if ($prevprevsymversion ne "") {
1280                                                                         print OUT "} OPENSSL_"
1281                                                                                                 ."$prevprevsymversion;\n\n";
1282                                                                 } else {
1283                                                                         print OUT "};\n\n";
1284                                                                 }
1285                                                         }
1286                                                         print OUT "OPENSSL_$symversion {\n    global:\n";
1287                                                         $prevprevsymversion = $prevsymversion;
1288                                                         $prevsymversion = $symversion;
1289                                                 }
1290                                                 print OUT "        $s2;\n";
1291                                         } elsif ($VMS) {
1292                                             while(++$prevnum < $n) {
1293                                                 my $symline=" ,SPARE -\n  ,SPARE -\n";
1294                                                 if ($symvtextcount + length($symline) - 2 > 1024) {
1295                                                     print OUT ")\nSYMBOL_VECTOR=(-\n";
1296                                                     $symvtextcount = 16; # length of "SYMBOL_VECTOR=(-"
1297                                                 }
1298                                                 if ($symvtextcount == 16) {
1299                                                     # Take away first comma
1300                                                     $symline =~ s/,//;
1301                                                 }
1302                                                 print OUT $symline;
1303                                                 $symvtextcount += length($symline) - 2;
1304                                             }
1305                                             (my $s_uc = $s) =~ tr/a-z/A-Z/;
1306                                             my $symtype=
1307                                                 $v ? "DATA" : "PROCEDURE";
1308                                             my $symline=
1309                                                 ($s_uc ne $s
1310                                                  ? " ,$s_uc/$s=$symtype -\n  ,$s=$symtype -\n"
1311                                                  : " ,$s=$symtype -\n  ,SPARE -\n");
1312                                             if ($symvtextcount + length($symline) - 2 > 1024) {
1313                                                 print OUT ")\nSYMBOL_VECTOR=(-\n";
1314                                                 $symvtextcount = 16; # length of "SYMBOL_VECTOR=(-"
1315                                             }
1316                                             if ($symvtextcount == 16) {
1317                                                 # Take away first comma
1318                                                 $symline =~ s/,//;
1319                                             }
1320                                             print OUT $symline;
1321                                             $symvtextcount += length($symline) - 2;
1322                                         } elsif($v && !$OS2) {
1323                                                 printf OUT "    %s%-39s @%-8d DATA\n",
1324                                                                 ($W32)?"":"_",$s2,$n;
1325                                         } else {
1326                                                 printf OUT "    %s%-39s @%d\n",
1327                                                                 ($W32||$OS2)?"":"_",$s2,$n;
1328                                         }
1329                                 }
1330                         }
1331                 }
1332         } while ($thisversion ne $currversion);
1333         if ($linux) {
1334                 if ($prevprevsymversion ne "") {
1335                         print OUT "    local: *;\n} OPENSSL_$prevprevsymversion;\n\n";
1336                 } else {
1337                         print OUT "    local: *;\n};\n\n";
1338                 }
1339         } elsif ($VMS) {
1340             print OUT ")\n";
1341             (my $libvmaj, my $libvmin, my $libvedit) =
1342                 $currversion =~ /^(\d+)_(\d+)_(\d+)$/;
1343             # The reason to multiply the edit number with 100 is to make space
1344             # for the possibility that we want to encode the patch letters
1345             print OUT "GSMATCH=LEQUAL,",($libvmaj * 100 + $libvmin),",",($libvedit * 100),"\n";
1346         }
1347         printf OUT "\n";
1348 }
1349
1350 sub load_numbers
1351 {
1352         my($name)=@_;
1353         my(@a,%ret);
1354         my $prevversion;
1355
1356         $max_num = 0;
1357         $num_noinfo = 0;
1358         $prev = "";
1359         $prev_cnt = 0;
1360
1361         my ($baseversion, $currversion) = get_openssl_version();
1362
1363         open(IN,"<$name") || die "unable to open $name:$!\n";
1364         while (<IN>) {
1365                 s|\R$||;        # Better chomp
1366                 s/#.*$//;
1367                 next if /^\s*$/;
1368                 @a=split;
1369                 if (defined $ret{$a[0]}) {
1370                         # This is actually perfectly OK
1371                         #print STDERR "Warning: Symbol '",$a[0],"' redefined. old=",$ret{$a[0]},", new=",$a[1],"\n";
1372                 }
1373                 if ($max_num > $a[1]) {
1374                         print STDERR "Warning: Number decreased from ",$max_num," to ",$a[1],"\n";
1375                 }
1376                 elsif ($max_num == $a[1]) {
1377                         # This is actually perfectly OK
1378                         #print STDERR "Warning: Symbol ",$a[0]," has same number as previous ",$prev,": ",$a[1],"\n";
1379                         if ($a[0] eq $prev) {
1380                                 $prev_cnt++;
1381                                 $a[0] .= "{$prev_cnt}";
1382                         }
1383                 }
1384                 else {
1385                         $prev_cnt = 0;
1386                 }
1387                 if ($#a < 2) {
1388                         # Existence will be proven later, in do_defs
1389                         $ret{$a[0]}=$a[1];
1390                         $num_noinfo++;
1391                 } else {
1392                         #Sanity check the version number
1393                         if (defined $prevversion) {
1394                                 check_version_lte($prevversion, $a[2]);
1395                         }
1396                         check_version_lte($a[2], $currversion);
1397                         $prevversion = $a[2];
1398                         $ret{$a[0]}=$a[1]."\\".$a[2]."\\".$a[3]; # \\ is a special marker
1399                 }
1400                 $max_num = $a[1] if $a[1] > $max_num;
1401                 $prev=$a[0];
1402         }
1403         if ($num_noinfo) {
1404                 print STDERR "Warning: $num_noinfo symbols were without info.";
1405                 if ($do_rewrite) {
1406                         printf STDERR "  The rewrite will fix this.\n";
1407                 } else {
1408                         printf STDERR "  You should do a rewrite to fix this.\n";
1409                 }
1410         }
1411         close(IN);
1412         return(%ret);
1413 }
1414
1415 sub parse_number
1416 {
1417         (my $str, my $what) = @_;
1418         (my $n, my $v, my $i) = split(/\\/,$str);
1419         if ($what eq "n") {
1420                 return $n;
1421         } else {
1422                 return $i;
1423         }
1424 }
1425
1426 sub rewrite_numbers
1427 {
1428         (*OUT,$name,*nums,@symbols)=@_;
1429         my $thing;
1430
1431         my @r = grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:\w+\(\w+\)/,@symbols);
1432         my $r; my %r; my %rsyms;
1433         foreach $r (@r) {
1434                 (my $s, my $i) = split /\\/, $r;
1435                 my $a = $1 if $i =~ /^.*?:.*?:\w+\((\w+)\)/;
1436                 $i =~ s/^(.*?:.*?:\w+)\(\w+\)/$1/;
1437                 $r{$a} = $s."\\".$i;
1438                 $rsyms{$s} = 1;
1439         }
1440
1441         my %syms = ();
1442         foreach $_ (@symbols) {
1443                 (my $n, my $i) = split /\\/;
1444                 $syms{$n} = 1;
1445         }
1446
1447         my @s=sort {
1448             &parse_number($nums{$a},"n") <=> &parse_number($nums{$b},"n")
1449             || $a cmp $b
1450         } keys %nums;
1451         foreach $sym (@s) {
1452                 (my $n, my $vers, my $i) = split /\\/, $nums{$sym};
1453                 next if defined($i) && $i =~ /^.*?:.*?:\w+\(\w+\)/;
1454                 next if defined($rsyms{$sym});
1455                 print STDERR "DEBUG: rewrite_numbers for sym = ",$sym,": i = ",$i,", n = ",$n,", rsym{sym} = ",$rsyms{$sym},"syms{sym} = ",$syms{$sym},"\n" if $debug;
1456                 $i="NOEXIST::FUNCTION:"
1457                         if !defined($i) || $i eq "" || !defined($syms{$sym});
1458                 my $s2 = $sym;
1459                 $s2 =~ s/\{[0-9]+\}$//;
1460                 printf OUT "%s%-39s %d\t%s\t%s\n","",$s2,$n,$vers,$i;
1461                 if (exists $r{$sym}) {
1462                         (my $s, $i) = split /\\/,$r{$sym};
1463                         my $s2 = $s;
1464                         $s2 =~ s/\{[0-9]+\}$//;
1465                         printf OUT "%s%-39s %d\t%s\t%s\n","",$s2,$n,$vers,$i;
1466                 }
1467         }
1468 }
1469
1470 sub update_numbers
1471 {
1472         (*OUT,$name,*nums,my $start_num, my @symbols)=@_;
1473         my $new_syms = 0;
1474         my $basevers;
1475         my $vers;
1476
1477         ($basevers, $vers) = get_openssl_version();
1478
1479         my @r = grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:\w+\(\w+\)/,@symbols);
1480         my $r; my %r; my %rsyms;
1481         foreach $r (@r) {
1482                 (my $s, my $i) = split /\\/, $r;
1483                 my $a = $1 if $i =~ /^.*?:.*?:\w+\((\w+)\)/;
1484                 $i =~ s/^(.*?:.*?:\w+)\(\w+\)/$1/;
1485                 $r{$a} = $s."\\".$i;
1486                 $rsyms{$s} = 1;
1487         }
1488
1489         foreach $sym (@symbols) {
1490                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1491                 next if $i =~ /^.*?:.*?:\w+\(\w+\)/;
1492                 next if defined($rsyms{$sym});
1493                 die "ERROR: Symbol $sym had no info attached to it."
1494                     if $i eq "";
1495                 if (!exists $nums{$s}) {
1496                         $new_syms++;
1497                         my $s2 = $s;
1498                         $s2 =~ s/\{[0-9]+\}$//;
1499                         printf OUT "%s%-39s %d\t%s\t%s\n","",$s2, ++$start_num,$vers,$i;
1500                         if (exists $r{$s}) {
1501                                 ($s, $i) = split /\\/,$r{$s};
1502                                 $s =~ s/\{[0-9]+\}$//;
1503                                 printf OUT "%s%-39s %d\t%s\t%s\n","",$s, $start_num,$vers,$i;
1504                         }
1505                 }
1506         }
1507         if($new_syms) {
1508                 print STDERR "$name: Added $new_syms new symbols\n";
1509         } else {
1510                 print STDERR "$name: No new symbols added\n";
1511         }
1512 }
1513
1514 sub check_existing
1515 {
1516         (*nums, my @symbols)=@_;
1517         my %existing; my @remaining;
1518         @remaining=();
1519         foreach $sym (@symbols) {
1520                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1521                 $existing{$s}=1;
1522         }
1523         foreach $sym (keys %nums) {
1524                 if (!exists $existing{$sym}) {
1525                         push @remaining, $sym;
1526                 }
1527         }
1528         if(@remaining) {
1529                 print STDERR "The following symbols do not seem to exist:\n";
1530                 foreach $sym (@remaining) {
1531                         print STDERR "\t",$sym,"\n";
1532                 }
1533         }
1534 }
1535
1536 sub count_parens
1537 {
1538         my $line = shift(@_);
1539
1540         my $open = $line =~ tr/\(//;
1541         my $close = $line =~ tr/\)//;
1542
1543         return $open - $close;
1544 }
1545
1546 #Parse opensslv.h to get the current version number. Also work out the base
1547 #version, i.e. the lowest version number that is binary compatible with this
1548 #version
1549 sub get_openssl_version()
1550 {
1551         my $fn = catfile($config{sourcedir},"include","openssl","opensslv.h");
1552         open (IN, "$fn") || die "Can't open opensslv.h";
1553
1554         while(<IN>) {
1555                 if (/OPENSSL_VERSION_TEXT\s+"OpenSSL (\d\.\d\.)(\d[a-z]*)(-| )/) {
1556                         my $suffix = $2;
1557                         (my $baseversion = $1) =~ s/\./_/g;
1558                         close IN;
1559                         return ($baseversion."0", $baseversion.$suffix);
1560                 }
1561         }
1562         die "Can't find OpenSSL version number\n";
1563 }
1564
1565 #Given an OpenSSL version number, calculate the next version number. If the
1566 #version number gets to a.b.czz then we go to a.b.(c+1)
1567 sub get_next_version()
1568 {
1569         my $thisversion = shift;
1570
1571         my ($base, $letter) = $thisversion =~ /^(\d_\d_\d)([a-z]{0,2})$/;
1572
1573         if ($letter eq "zz") {
1574                 my $lastnum = substr($base, -1);
1575                 return substr($base, 0, length($base)-1).(++$lastnum);
1576         }
1577         return $base.get_next_letter($letter);
1578 }
1579
1580 #Given the letters off the end of an OpenSSL version string, calculate what
1581 #the letters for the next release would be.
1582 sub get_next_letter()
1583 {
1584         my $thisletter = shift;
1585         my $baseletter = "";
1586         my $endletter;
1587
1588         if ($thisletter eq "") {
1589                 return "a";
1590         }
1591         if ((length $thisletter) > 1) {
1592                 ($baseletter, $endletter) = $thisletter =~ /([a-z]+)([a-z])/;
1593         } else {
1594                 $endletter = $thisletter;
1595         }
1596
1597         if ($endletter eq "z") {
1598                 return $thisletter."a";
1599         } else {
1600                 return $baseletter.(++$endletter);
1601         }
1602 }
1603
1604 #Check if a version is less than or equal to the current version. Its a fatal
1605 #error if not. They must also only differ in letters, or the last number (i.e.
1606 #the first two numbers must be the same)
1607 sub check_version_lte()
1608 {
1609         my ($testversion, $currversion) = @_;
1610         my $lentv;
1611         my $lencv;
1612         my $cvbase;
1613
1614         my ($cvnums) = $currversion =~ /^(\d_\d_\d)[a-z]*$/;
1615         my ($tvnums) = $testversion =~ /^(\d_\d_\d)[a-z]*$/;
1616
1617         #Die if we can't parse the version numbers or they don't look sane
1618         die "Invalid version number: $testversion and $currversion\n"
1619                 if (!defined($cvnums) || !defined($tvnums)
1620                         || length($cvnums) != 5
1621                         || length($tvnums) != 5);
1622
1623         #If the base versions (without letters) don't match check they only differ
1624         #in the last number
1625         if ($cvnums ne $tvnums) {
1626                 die "Invalid version number: $testversion "
1627                         ."for current version $currversion\n"
1628                         if (substr($cvnums, -1) < substr($tvnums, -1)
1629                                 || substr($cvnums, 0, 4) ne substr($tvnums, 0, 4));
1630                 return;
1631         }
1632         #If we get here then the base version (i.e. the numbers) are the same - they
1633         #only differ in the letters
1634
1635         $lentv = length $testversion;
1636         $lencv = length $currversion;
1637
1638         #If the testversion has more letters than the current version then it must
1639         #be later (or malformed)
1640         if ($lentv > $lencv) {
1641                 die "Invalid version number: $testversion "
1642                         ."is greater than $currversion\n";
1643         }
1644
1645         #Get the last letter from the current version
1646         my ($cvletter) = $currversion =~ /([a-z])$/;
1647         if (defined $cvletter) {
1648                 ($cvbase) = $currversion =~ /(\d_\d_\d[a-z]*)$cvletter$/;
1649         } else {
1650                 $cvbase = $currversion;
1651         }
1652         die "Unable to parse version number $currversion" if (!defined $cvbase);
1653         my $tvbase;
1654         my ($tvletter) = $testversion =~ /([a-z])$/;
1655         if (defined $tvletter) {
1656                 ($tvbase) = $testversion =~ /(\d_\d_\d[a-z]*)$tvletter$/;
1657         } else {
1658                 $tvbase = $testversion;
1659         }
1660         die "Unable to parse version number $testversion" if (!defined $tvbase);
1661
1662         if ($lencv > $lentv) {
1663                 #If current version has more letters than testversion then testversion
1664                 #minus the final letter must be a substring of the current version
1665                 die "Invalid version number $testversion "
1666                         ."is greater than $currversion or is invalid\n"
1667                         if (index($cvbase, $tvbase) != 0);
1668         } else {
1669                 #If both versions have the same number of letters then they must be
1670                 #equal up to the last letter, and the last letter in testversion must
1671                 #be less than or equal to the last letter in current version.
1672                 die "Invalid version number $testversion "
1673                         ."is greater than $currversion\n"
1674                         if (($cvbase ne $tvbase) && ($tvletter gt $cvletter));
1675         }
1676 }
1677
1678 sub do_deprecated()
1679 {
1680         my ($decl, $plats, $algs) = @_;
1681         $decl =~ /^\s*(DEPRECATEDIN_\d+_\d+_\d+)\s*\((.*)\)\s*$/
1682             or die "Bad DEPRECTEDIN: $decl\n";
1683         my $info1 .= "#INFO:";
1684         $info1 .= join(',', @{$plats}) . ":";
1685         my $info2 = $info1;
1686         $info1 .= join(',',@{$algs}, $1) . ";";
1687         $info2 .= join(',',@{$algs}) . ";";
1688         return $info1 . $2 . ";" . $info2;
1689 }