constify EVP_PKEY_new_mac_key()
[oweals/openssl.git] / 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 $VMSNonVAX=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", "ZLIB" );
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                          # CMS
103                          "CMS",
104                          # CryptoAPI Engine
105                          "CAPIENG",
106                          # SSL v2
107                          "SSL2",
108                          # JPAKE
109                          "JPAKE",
110                          # Deprecated functions
111                          "DEPRECATED" );
112
113 my $options="";
114 open(IN,"<Makefile") || die "unable to open Makefile!\n";
115 while(<IN>) {
116     $options=$1 if (/^OPTIONS=(.*)$/);
117 }
118 close(IN);
119
120 # The following ciphers may be excluded (by Configure). This means functions
121 # defined with ifndef(NO_XXX) are not included in the .def file, and everything
122 # in directory xxx is ignored.
123 my $no_rc2; my $no_rc4; my $no_rc5; my $no_idea; my $no_des; my $no_bf;
124 my $no_cast; my $no_whirlpool; my $no_camellia; my $no_seed;
125 my $no_md2; my $no_md4; my $no_md5; my $no_sha; my $no_ripemd; my $no_mdc2;
126 my $no_rsa; my $no_dsa; my $no_dh; my $no_hmac=0; my $no_aes; my $no_krb5;
127 my $no_ec; my $no_ecdsa; my $no_ecdh; my $no_engine; my $no_hw;
128 my $no_fp_api; my $no_static_engine=1; my $no_gmp; my $no_deprecated;
129 my $no_rfc3779; my $no_psk; my $no_tlsext; my $no_cms; my $no_capieng;
130 my $no_jpake; my $no_ssl2;
131
132 my $zlib;
133
134
135 foreach (@ARGV, split(/ /, $options))
136         {
137         $debug=1 if $_ eq "debug";
138         $W32=1 if $_ eq "32";
139         $W16=1 if $_ eq "16";
140         if($_ eq "NT") {
141                 $W32 = 1;
142                 $NT = 1;
143         }
144         if ($_ eq "VMS-VAX") {
145                 $VMS=1;
146                 $VMSVAX=1;
147         }
148         if ($_ eq "VMS-NonVAX") {
149                 $VMS=1;
150                 $VMSNonVAX=1;
151         }
152         $VMS=1 if $_ eq "VMS";
153         $OS2=1 if $_ eq "OS2";
154         if ($_ eq "zlib" || $_ eq "enable-zlib" || $_ eq "zlib-dynamic"
155                          || $_ eq "enable-zlib-dynamic") {
156                 $zlib = 1;
157         }
158
159         $do_ssl=1 if $_ eq "ssleay";
160         if ($_ eq "ssl") {
161                 $do_ssl=1; 
162                 $libname=$_
163         }
164         $do_crypto=1 if $_ eq "libeay";
165         if ($_ eq "crypto") {
166                 $do_crypto=1;
167                 $libname=$_;
168         }
169         $no_static_engine=1 if $_ eq "no-static-engine";
170         $no_static_engine=0 if $_ eq "enable-static-engine";
171         $do_update=1 if $_ eq "update";
172         $do_rewrite=1 if $_ eq "rewrite";
173         $do_ctest=1 if $_ eq "ctest";
174         $do_ctestall=1 if $_ eq "ctestall";
175         $do_checkexist=1 if $_ eq "exist";
176         #$safe_stack_def=1 if $_ eq "-DDEBUG_SAFESTACK";
177
178         if    (/^no-rc2$/)      { $no_rc2=1; }
179         elsif (/^no-rc4$/)      { $no_rc4=1; }
180         elsif (/^no-rc5$/)      { $no_rc5=1; }
181         elsif (/^no-idea$/)     { $no_idea=1; }
182         elsif (/^no-des$/)      { $no_des=1; $no_mdc2=1; }
183         elsif (/^no-bf$/)       { $no_bf=1; }
184         elsif (/^no-cast$/)     { $no_cast=1; }
185         elsif (/^no-whirlpool$/)     { $no_whirlpool=1; }
186         elsif (/^no-md2$/)      { $no_md2=1; }
187         elsif (/^no-md4$/)      { $no_md4=1; }
188         elsif (/^no-md5$/)      { $no_md5=1; }
189         elsif (/^no-sha$/)      { $no_sha=1; }
190         elsif (/^no-ripemd$/)   { $no_ripemd=1; }
191         elsif (/^no-mdc2$/)     { $no_mdc2=1; }
192         elsif (/^no-rsa$/)      { $no_rsa=1; }
193         elsif (/^no-dsa$/)      { $no_dsa=1; }
194         elsif (/^no-dh$/)       { $no_dh=1; }
195         elsif (/^no-ec$/)       { $no_ec=1; }
196         elsif (/^no-ecdsa$/)    { $no_ecdsa=1; }
197         elsif (/^no-ecdh$/)     { $no_ecdh=1; }
198         elsif (/^no-hmac$/)     { $no_hmac=1; }
199         elsif (/^no-aes$/)      { $no_aes=1; }
200         elsif (/^no-camellia$/) { $no_camellia=1; }
201         elsif (/^no-seed$/)     { $no_seed=1; }
202         elsif (/^no-evp$/)      { $no_evp=1; }
203         elsif (/^no-lhash$/)    { $no_lhash=1; }
204         elsif (/^no-stack$/)    { $no_stack=1; }
205         elsif (/^no-err$/)      { $no_err=1; }
206         elsif (/^no-buffer$/)   { $no_buffer=1; }
207         elsif (/^no-bio$/)      { $no_bio=1; }
208         #elsif (/^no-locking$/) { $no_locking=1; }
209         elsif (/^no-comp$/)     { $no_comp=1; }
210         elsif (/^no-dso$/)      { $no_dso=1; }
211         elsif (/^no-krb5$/)     { $no_krb5=1; }
212         elsif (/^no-engine$/)   { $no_engine=1; }
213         elsif (/^no-hw$/)       { $no_hw=1; }
214         elsif (/^no-gmp$/)      { $no_gmp=1; }
215         elsif (/^no-rfc3779$/)  { $no_rfc3779=1; }
216         elsif (/^no-tlsext$/)   { $no_tlsext=1; }
217         elsif (/^no-cms$/)      { $no_cms=1; }
218         elsif (/^no-ssl2$/)     { $no_ssl2=1; }
219         elsif (/^no-capieng$/)  { $no_capieng=1; }
220         elsif (/^no-jpake$/)    { $no_jpake=1; }
221         }
222
223
224 if (!$libname) { 
225         if ($do_ssl) {
226                 $libname="SSLEAY";
227         }
228         if ($do_crypto) {
229                 $libname="LIBEAY";
230         }
231 }
232
233 # If no platform is given, assume WIN32
234 if ($W32 + $W16 + $VMS + $OS2 == 0) {
235         $W32 = 1;
236 }
237
238 # Add extra knowledge
239 if ($W16) {
240         $no_fp_api=1;
241 }
242
243 if (!$do_ssl && !$do_crypto)
244         {
245         print STDERR "usage: $0 ( ssl | crypto ) [ 16 | 32 | NT | OS2 ]\n";
246         exit(1);
247         }
248
249 %ssl_list=&load_numbers($ssl_num);
250 $max_ssl = $max_num;
251 %crypto_list=&load_numbers($crypto_num);
252 $max_crypto = $max_num;
253
254 my $ssl="ssl/ssl.h";
255 $ssl.=" ssl/kssl.h";
256 $ssl.=" ssl/tls1.h";
257
258 my $crypto ="crypto/crypto.h";
259 $crypto.=" crypto/o_dir.h";
260 $crypto.=" crypto/des/des.h crypto/des/des_old.h" ; # unless $no_des;
261 $crypto.=" crypto/idea/idea.h" ; # unless $no_idea;
262 $crypto.=" crypto/rc4/rc4.h" ; # unless $no_rc4;
263 $crypto.=" crypto/rc5/rc5.h" ; # unless $no_rc5;
264 $crypto.=" crypto/rc2/rc2.h" ; # unless $no_rc2;
265 $crypto.=" crypto/bf/blowfish.h" ; # unless $no_bf;
266 $crypto.=" crypto/cast/cast.h" ; # unless $no_cast;
267 $crypto.=" crypto/whrlpool/whrlpool.h" ;
268 $crypto.=" crypto/md2/md2.h" ; # unless $no_md2;
269 $crypto.=" crypto/md4/md4.h" ; # unless $no_md4;
270 $crypto.=" crypto/md5/md5.h" ; # unless $no_md5;
271 $crypto.=" crypto/mdc2/mdc2.h" ; # unless $no_mdc2;
272 $crypto.=" crypto/sha/sha.h" ; # unless $no_sha;
273 $crypto.=" crypto/ripemd/ripemd.h" ; # unless $no_ripemd;
274 $crypto.=" crypto/aes/aes.h" ; # unless $no_aes;
275 $crypto.=" crypto/camellia/camellia.h" ; # unless $no_camellia;
276 $crypto.=" crypto/seed/seed.h"; # unless $no_seed;
277
278 $crypto.=" crypto/bn/bn.h";
279 $crypto.=" crypto/rsa/rsa.h" ; # unless $no_rsa;
280 $crypto.=" crypto/dsa/dsa.h" ; # unless $no_dsa;
281 $crypto.=" crypto/dh/dh.h" ; # unless $no_dh;
282 $crypto.=" crypto/ec/ec.h" ; # unless $no_ec;
283 $crypto.=" crypto/ecdsa/ecdsa.h" ; # unless $no_ecdsa;
284 $crypto.=" crypto/ecdh/ecdh.h" ; # unless $no_ecdh;
285 $crypto.=" crypto/hmac/hmac.h" ; # unless $no_hmac;
286
287 $crypto.=" crypto/engine/engine.h"; # unless $no_engine;
288 $crypto.=" crypto/stack/stack.h" ; # unless $no_stack;
289 $crypto.=" crypto/buffer/buffer.h" ; # unless $no_buffer;
290 $crypto.=" crypto/bio/bio.h" ; # unless $no_bio;
291 $crypto.=" crypto/dso/dso.h" ; # unless $no_dso;
292 $crypto.=" crypto/lhash/lhash.h" ; # unless $no_lhash;
293 $crypto.=" crypto/conf/conf.h";
294 $crypto.=" crypto/txt_db/txt_db.h";
295
296 $crypto.=" crypto/evp/evp.h" ; # unless $no_evp;
297 $crypto.=" crypto/objects/objects.h";
298 $crypto.=" crypto/pem/pem.h";
299 #$crypto.=" crypto/meth/meth.h";
300 $crypto.=" crypto/asn1/asn1.h";
301 $crypto.=" crypto/asn1/asn1t.h";
302 $crypto.=" crypto/asn1/asn1_mac.h";
303 $crypto.=" crypto/err/err.h" ; # unless $no_err;
304 $crypto.=" crypto/pkcs7/pkcs7.h";
305 $crypto.=" crypto/pkcs12/pkcs12.h";
306 $crypto.=" crypto/x509/x509.h";
307 $crypto.=" crypto/x509/x509_vfy.h";
308 $crypto.=" crypto/x509v3/x509v3.h";
309 $crypto.=" crypto/ts/ts.h";
310 $crypto.=" crypto/rand/rand.h";
311 $crypto.=" crypto/comp/comp.h" ; # unless $no_comp;
312 $crypto.=" crypto/ocsp/ocsp.h";
313 $crypto.=" crypto/ui/ui.h crypto/ui/ui_compat.h";
314 $crypto.=" crypto/krb5/krb5_asn.h";
315 #$crypto.=" crypto/store/store.h";
316 $crypto.=" crypto/pqueue/pqueue.h";
317 $crypto.=" crypto/cms/cms.h";
318 $crypto.=" crypto/jpake/jpake.h";
319 $crypto.=" crypto/modes/modes.h";
320
321 my $symhacks="crypto/symhacks.h";
322
323 my @ssl_symbols = &do_defs("SSLEAY", $ssl, $symhacks);
324 my @crypto_symbols = &do_defs("LIBEAY", $crypto, $symhacks);
325
326 if ($do_update) {
327
328 if ($do_ssl == 1) {
329
330         &maybe_add_info("SSLEAY",*ssl_list,@ssl_symbols);
331         if ($do_rewrite == 1) {
332                 open(OUT, ">$ssl_num");
333                 &rewrite_numbers(*OUT,"SSLEAY",*ssl_list,@ssl_symbols);
334         } else {
335                 open(OUT, ">>$ssl_num");
336         }
337         &update_numbers(*OUT,"SSLEAY",*ssl_list,$max_ssl,@ssl_symbols);
338         close OUT;
339 }
340
341 if($do_crypto == 1) {
342
343         &maybe_add_info("LIBEAY",*crypto_list,@crypto_symbols);
344         if ($do_rewrite == 1) {
345                 open(OUT, ">$crypto_num");
346                 &rewrite_numbers(*OUT,"LIBEAY",*crypto_list,@crypto_symbols);
347         } else {
348                 open(OUT, ">>$crypto_num");
349         }
350         &update_numbers(*OUT,"LIBEAY",*crypto_list,$max_crypto,@crypto_symbols);
351         close OUT;
352
353
354 } elsif ($do_checkexist) {
355         &check_existing(*ssl_list, @ssl_symbols)
356                 if $do_ssl == 1;
357         &check_existing(*crypto_list, @crypto_symbols)
358                 if $do_crypto == 1;
359 } elsif ($do_ctest || $do_ctestall) {
360
361         print <<"EOF";
362
363 /* Test file to check all DEF file symbols are present by trying
364  * to link to all of them. This is *not* intended to be run!
365  */
366
367 int main()
368 {
369 EOF
370         &print_test_file(*STDOUT,"SSLEAY",*ssl_list,$do_ctestall,@ssl_symbols)
371                 if $do_ssl == 1;
372
373         &print_test_file(*STDOUT,"LIBEAY",*crypto_list,$do_ctestall,@crypto_symbols)
374                 if $do_crypto == 1;
375
376         print "}\n";
377
378 } else {
379
380         &print_def_file(*STDOUT,$libname,*ssl_list,@ssl_symbols)
381                 if $do_ssl == 1;
382
383         &print_def_file(*STDOUT,$libname,*crypto_list,@crypto_symbols)
384                 if $do_crypto == 1;
385
386 }
387
388
389 sub do_defs
390 {
391         my($name,$files,$symhacksfile)=@_;
392         my $file;
393         my @ret;
394         my %syms;
395         my %platform;           # For anything undefined, we assume ""
396         my %kind;               # For anything undefined, we assume "FUNCTION"
397         my %algorithm;          # For anything undefined, we assume ""
398         my %variant;
399         my %variant_cnt;        # To be able to allocate "name{n}" if "name"
400                                 # is the same name as the original.
401         my $cpp;
402         my %unknown_algorithms = ();
403
404         foreach $file (split(/\s+/,$symhacksfile." ".$files))
405                 {
406                 print STDERR "DEBUG: starting on $file:\n" if $debug;
407                 open(IN,"<$file") || die "unable to open $file:$!\n";
408                 my $line = "", my $def= "";
409                 my %tag = (
410                         (map { $_ => 0 } @known_platforms),
411                         (map { "OPENSSL_SYS_".$_ => 0 } @known_ossl_platforms),
412                         (map { "OPENSSL_NO_".$_ => 0 } @known_algorithms),
413                         NOPROTO         => 0,
414                         PERL5           => 0,
415                         _WINDLL         => 0,
416                         CONST_STRICT    => 0,
417                         TRUE            => 1,
418                 );
419                 my $symhacking = $file eq $symhacksfile;
420                 my @current_platforms = ();
421                 my @current_algorithms = ();
422
423                 # params: symbol, alias, platforms, kind
424                 # The reason to put this subroutine in a variable is that
425                 # it will otherwise create it's own, unshared, version of
426                 # %tag and %variant...
427                 my $make_variant = sub
428                 {
429                         my ($s, $a, $p, $k) = @_;
430                         my ($a1, $a2);
431
432                         print STDERR "DEBUG: make_variant: Entered with ",$s,", ",$a,", ",(defined($p)?$p:""),", ",(defined($k)?$k:""),"\n" if $debug;
433                         if (defined($p))
434                         {
435                                 $a1 = join(",",$p,
436                                            grep(!/^$/,
437                                                 map { $tag{$_} == 1 ? $_ : "" }
438                                                 @known_platforms));
439                         }
440                         else
441                         {
442                                 $a1 = join(",",
443                                            grep(!/^$/,
444                                                 map { $tag{$_} == 1 ? $_ : "" }
445                                                 @known_platforms));
446                         }
447                         $a2 = join(",",
448                                    grep(!/^$/,
449                                         map { $tag{"OPENSSL_SYS_".$_} == 1 ? $_ : "" }
450                                         @known_ossl_platforms));
451                         print STDERR "DEBUG: make_variant: a1 = $a1; a2 = $a2\n" if $debug;
452                         if ($a1 eq "") { $a1 = $a2; }
453                         elsif ($a1 ne "" && $a2 ne "") { $a1 .= ",".$a2; }
454                         if ($a eq $s)
455                         {
456                                 if (!defined($variant_cnt{$s}))
457                                 {
458                                         $variant_cnt{$s} = 0;
459                                 }
460                                 $variant_cnt{$s}++;
461                                 $a .= "{$variant_cnt{$s}}";
462                         }
463                         my $toadd = $a.":".$a1.(defined($k)?":".$k:"");
464                         my $togrep = $s.'(\{[0-9]+\})?:'.$a1.(defined($k)?":".$k:"");
465                         if (!grep(/^$togrep$/,
466                                   split(/;/, defined($variant{$s})?$variant{$s}:""))) {
467                                 if (defined($variant{$s})) { $variant{$s} .= ";"; }
468                                 $variant{$s} .= $toadd;
469                         }
470                         print STDERR "DEBUG: make_variant: Exit with variant of ",$s," = ",$variant{$s},"\n" if $debug;
471                 };
472
473                 print STDERR "DEBUG: parsing ----------\n" if $debug;
474                 while(<IN>) {
475                         if (/\/\* Error codes for the \w+ functions\. \*\//)
476                                 {
477                                 undef @tag;
478                                 last;
479                                 }
480                         if ($line ne '') {
481                                 $_ = $line . $_;
482                                 $line = '';
483                         }
484
485                         if (/\\$/) {
486                                 chomp; # remove eol
487                                 chop; # remove ending backslash
488                                 $line = $_;
489                                 next;
490                         }
491
492                         if(/\/\*/) {
493                                 if (not /\*\//) {       # multiline comment...
494                                         $line = $_;     # ... just accumulate
495                                         next;
496                                 } else {
497                                         s/\/\*.*?\*\///gs;# wipe it
498                                 }
499                         }
500
501                         if ($cpp) {
502                                 $cpp++ if /^#\s*if/;
503                                 $cpp-- if /^#\s*endif/;
504                                 next;
505                         }
506                         $cpp = 1 if /^#.*ifdef.*cplusplus/;
507
508                         s/{[^{}]*}//gs;                      # ignore {} blocks
509                         print STDERR "DEBUG: \$def=\"$def\"\n" if $debug && $def ne "";
510                         print STDERR "DEBUG: \$_=\"$_\"\n" if $debug;
511                         if (/^\#\s*ifndef\s+(.*)/) {
512                                 push(@tag,"-");
513                                 push(@tag,$1);
514                                 $tag{$1}=-1;
515                                 print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
516                         } elsif (/^\#\s*if\s+!defined\(([^\)]+)\)/) {
517                                 push(@tag,"-");
518                                 if (/^\#\s*if\s+(!defined\(([^\)]+)\)(\s+\&\&\s+!defined\(([^\)]+)\))*)$/) {
519                                         my $tmp_1 = $1;
520                                         my $tmp_;
521                                         foreach $tmp_ (split '\&\&',$tmp_1) {
522                                                 $tmp_ =~ /!defined\(([^\)]+)\)/;
523                                                 print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
524                                                 push(@tag,$1);
525                                                 $tag{$1}=-1;
526                                         }
527                                 } else {
528                                         print STDERR "Warning: $file: complicated expression: $_" if $debug; # because it is O...
529                                         print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
530                                         push(@tag,$1);
531                                         $tag{$1}=-1;
532                                 }
533                         } elsif (/^\#\s*ifdef\s+(\S*)/) {
534                                 push(@tag,"-");
535                                 push(@tag,$1);
536                                 $tag{$1}=1;
537                                 print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
538                         } elsif (/^\#\s*if\s+defined\(([^\)]+)\)/) {
539                                 push(@tag,"-");
540                                 if (/^\#\s*if\s+(defined\(([^\)]+)\)(\s+\|\|\s+defined\(([^\)]+)\))*)$/) {
541                                         my $tmp_1 = $1;
542                                         my $tmp_;
543                                         foreach $tmp_ (split '\|\|',$tmp_1) {
544                                                 $tmp_ =~ /defined\(([^\)]+)\)/;
545                                                 print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
546                                                 push(@tag,$1);
547                                                 $tag{$1}=1;
548                                         }
549                                 } else {
550                                         print STDERR "Warning: $file: complicated expression: $_\n" if $debug; # because it is O...
551                                         print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
552                                         push(@tag,$1);
553                                         $tag{$1}=1;
554                                 }
555                         } elsif (/^\#\s*error\s+(\w+) is disabled\./) {
556                                 my $tag_i = $#tag;
557                                 while($tag[$tag_i] ne "-") {
558                                         if ($tag[$tag_i] eq "OPENSSL_NO_".$1) {
559                                                 $tag{$tag[$tag_i]}=2;
560                                                 print STDERR "DEBUG: $file: chaged tag $1 = 2\n" if $debug;
561                                         }
562                                         $tag_i--;
563                                 }
564                         } elsif (/^\#\s*endif/) {
565                                 my $tag_i = $#tag;
566                                 while($tag_i > 0 && $tag[$tag_i] ne "-") {
567                                         my $t=$tag[$tag_i];
568                                         print STDERR "DEBUG: \$t=\"$t\"\n" if $debug;
569                                         if ($tag{$t}==2) {
570                                                 $tag{$t}=-1;
571                                         } else {
572                                                 $tag{$t}=0;
573                                         }
574                                         print STDERR "DEBUG: $file: changed tag ",$t," = ",$tag{$t},"\n" if $debug;
575                                         pop(@tag);
576                                         if ($t =~ /^OPENSSL_NO_([A-Z0-9_]+)$/) {
577                                                 $t=$1;
578                                         } else {
579                                                 $t="";
580                                         }
581                                         if ($t ne ""
582                                             && !grep(/^$t$/, @known_algorithms)) {
583                                                 $unknown_algorithms{$t} = 1;
584                                                 #print STDERR "DEBUG: Added as unknown algorithm: $t\n" if $debug;
585                                         }
586                                         $tag_i--;
587                                 }
588                                 pop(@tag);
589                         } elsif (/^\#\s*else/) {
590                                 my $tag_i = $#tag;
591                                 while($tag[$tag_i] ne "-") {
592                                         my $t=$tag[$tag_i];
593                                         $tag{$t}= -$tag{$t};
594                                         print STDERR "DEBUG: $file: changed tag ",$t," = ",$tag{$t},"\n" if $debug;
595                                         $tag_i--;
596                                 }
597                         } elsif (/^\#\s*if\s+1/) {
598                                 push(@tag,"-");
599                                 # Dummy tag
600                                 push(@tag,"TRUE");
601                                 $tag{"TRUE"}=1;
602                                 print STDERR "DEBUG: $file: found 1\n" if $debug;
603                         } elsif (/^\#\s*if\s+0/) {
604                                 push(@tag,"-");
605                                 # Dummy tag
606                                 push(@tag,"TRUE");
607                                 $tag{"TRUE"}=-1;
608                                 print STDERR "DEBUG: $file: found 0\n" if $debug;
609                         } elsif (/^\#\s*define\s+(\w+)\s+(\w+)/
610                                  && $symhacking && $tag{'TRUE'} != -1) {
611                                 # This is for aliasing.  When we find an alias,
612                                 # we have to invert
613                                 &$make_variant($1,$2);
614                                 print STDERR "DEBUG: $file: defined $1 = $2\n" if $debug;
615                         }
616                         if (/^\#/) {
617                                 @current_platforms =
618                                     grep(!/^$/,
619                                          map { $tag{$_} == 1 ? $_ :
620                                                    $tag{$_} == -1 ? "!".$_  : "" }
621                                          @known_platforms);
622                                 push @current_platforms
623                                     , grep(!/^$/,
624                                            map { $tag{"OPENSSL_SYS_".$_} == 1 ? $_ :
625                                                      $tag{"OPENSSL_SYS_".$_} == -1 ? "!".$_  : "" }
626                                            @known_ossl_platforms);
627                                 @current_algorithms =
628                                     grep(!/^$/,
629                                          map { $tag{"OPENSSL_NO_".$_} == -1 ? $_ : "" }
630                                          @known_algorithms);
631                                 $def .=
632                                     "#INFO:"
633                                         .join(',',@current_platforms).":"
634                                             .join(',',@current_algorithms).";";
635                                 next;
636                         }
637                         if ($tag{'TRUE'} != -1) {
638                                 if (/^\s*DECLARE_STACK_OF\s*\(\s*(\w*)\s*\)/) {
639                                         next;
640                                 } elsif (/^\s*DECLARE_ASN1_ENCODE_FUNCTIONS\s*\(\s*(\w*)\s*,\s*(\w*)\s*,\s*(\w*)\s*\)/) {
641                                         $def .= "int d2i_$3(void);";
642                                         $def .= "int i2d_$3(void);";
643                                         # Variant for platforms that do not
644                                         # have to access globale variables
645                                         # in shared libraries through functions
646                                         $def .=
647                                             "#INFO:"
648                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
649                                                     .join(',',@current_algorithms).";";
650                                         $def .= "OPENSSL_EXTERN int $2_it;";
651                                         $def .=
652                                             "#INFO:"
653                                                 .join(',',@current_platforms).":"
654                                                     .join(',',@current_algorithms).";";
655                                         # Variant for platforms that have to
656                                         # access globale variables in shared
657                                         # libraries through functions
658                                         &$make_variant("$2_it","$2_it",
659                                                       "EXPORT_VAR_AS_FUNCTION",
660                                                       "FUNCTION");
661                                         next;
662                                 } elsif (/^\s*DECLARE_ASN1_FUNCTIONS_fname\s*\(\s*(\w*)\s*,\s*(\w*)\s*,\s*(\w*)\s*\)/) {
663                                         $def .= "int d2i_$3(void);";
664                                         $def .= "int i2d_$3(void);";
665                                         $def .= "int $3_free(void);";
666                                         $def .= "int $3_new(void);";
667                                         # Variant for platforms that do not
668                                         # have to access globale variables
669                                         # in shared libraries through functions
670                                         $def .=
671                                             "#INFO:"
672                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
673                                                     .join(',',@current_algorithms).";";
674                                         $def .= "OPENSSL_EXTERN int $2_it;";
675                                         $def .=
676                                             "#INFO:"
677                                                 .join(',',@current_platforms).":"
678                                                     .join(',',@current_algorithms).";";
679                                         # Variant for platforms that have to
680                                         # access globale variables in shared
681                                         # libraries through functions
682                                         &$make_variant("$2_it","$2_it",
683                                                       "EXPORT_VAR_AS_FUNCTION",
684                                                       "FUNCTION");
685                                         next;
686                                 } elsif (/^\s*DECLARE_ASN1_FUNCTIONS\s*\(\s*(\w*)\s*\)/ ||
687                                          /^\s*DECLARE_ASN1_FUNCTIONS_const\s*\(\s*(\w*)\s*\)/) {
688                                         $def .= "int d2i_$1(void);";
689                                         $def .= "int i2d_$1(void);";
690                                         $def .= "int $1_free(void);";
691                                         $def .= "int $1_new(void);";
692                                         # Variant for platforms that do not
693                                         # have to access globale variables
694                                         # in shared libraries through functions
695                                         $def .=
696                                             "#INFO:"
697                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
698                                                     .join(',',@current_algorithms).";";
699                                         $def .= "OPENSSL_EXTERN int $1_it;";
700                                         $def .=
701                                             "#INFO:"
702                                                 .join(',',@current_platforms).":"
703                                                     .join(',',@current_algorithms).";";
704                                         # Variant for platforms that have to
705                                         # access globale variables in shared
706                                         # libraries through functions
707                                         &$make_variant("$1_it","$1_it",
708                                                       "EXPORT_VAR_AS_FUNCTION",
709                                                       "FUNCTION");
710                                         next;
711                                 } elsif (/^\s*DECLARE_ASN1_ENCODE_FUNCTIONS_const\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
712                                         $def .= "int d2i_$2(void);";
713                                         $def .= "int i2d_$2(void);";
714                                         # Variant for platforms that do not
715                                         # have to access globale variables
716                                         # in shared libraries through functions
717                                         $def .=
718                                             "#INFO:"
719                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
720                                                     .join(',',@current_algorithms).";";
721                                         $def .= "OPENSSL_EXTERN int $2_it;";
722                                         $def .=
723                                             "#INFO:"
724                                                 .join(',',@current_platforms).":"
725                                                     .join(',',@current_algorithms).";";
726                                         # Variant for platforms that have to
727                                         # access globale variables in shared
728                                         # libraries through functions
729                                         &$make_variant("$2_it","$2_it",
730                                                       "EXPORT_VAR_AS_FUNCTION",
731                                                       "FUNCTION");
732                                         next;
733                                 } elsif (/^\s*DECLARE_ASN1_ALLOC_FUNCTIONS\s*\(\s*(\w*)\s*\)/) {
734                                         $def .= "int $1_free(void);";
735                                         $def .= "int $1_new(void);";
736                                         next;
737                                 } elsif (/^\s*DECLARE_ASN1_FUNCTIONS_name\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
738                                         $def .= "int d2i_$2(void);";
739                                         $def .= "int i2d_$2(void);";
740                                         $def .= "int $2_free(void);";
741                                         $def .= "int $2_new(void);";
742                                         # Variant for platforms that do not
743                                         # have to access globale variables
744                                         # in shared libraries through functions
745                                         $def .=
746                                             "#INFO:"
747                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
748                                                     .join(',',@current_algorithms).";";
749                                         $def .= "OPENSSL_EXTERN int $2_it;";
750                                         $def .=
751                                             "#INFO:"
752                                                 .join(',',@current_platforms).":"
753                                                     .join(',',@current_algorithms).";";
754                                         # Variant for platforms that have to
755                                         # access globale variables in shared
756                                         # libraries through functions
757                                         &$make_variant("$2_it","$2_it",
758                                                       "EXPORT_VAR_AS_FUNCTION",
759                                                       "FUNCTION");
760                                         next;
761                                 } elsif (/^\s*DECLARE_ASN1_ITEM\s*\(\s*(\w*)\s*\)/) {
762                                         # Variant for platforms that do not
763                                         # have to access globale variables
764                                         # in shared libraries through functions
765                                         $def .=
766                                             "#INFO:"
767                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
768                                                     .join(',',@current_algorithms).";";
769                                         $def .= "OPENSSL_EXTERN int $1_it;";
770                                         $def .=
771                                             "#INFO:"
772                                                 .join(',',@current_platforms).":"
773                                                     .join(',',@current_algorithms).";";
774                                         # Variant for platforms that have to
775                                         # access globale variables in shared
776                                         # libraries through functions
777                                         &$make_variant("$1_it","$1_it",
778                                                       "EXPORT_VAR_AS_FUNCTION",
779                                                       "FUNCTION");
780                                         next;
781                                 } elsif (/^\s*DECLARE_ASN1_NDEF_FUNCTION\s*\(\s*(\w*)\s*\)/) {
782                                         $def .= "int i2d_$1_NDEF(void);";
783                                 } elsif (/^\s*DECLARE_ASN1_SET_OF\s*\(\s*(\w*)\s*\)/) {
784                                         next;
785                                 } elsif (/^\s*DECLARE_ASN1_PRINT_FUNCTION\s*\(\s*(\w*)\s*\)/) {
786                                         $def .= "int $1_print_ctx(void);";
787                                         next;
788                                 } elsif (/^\s*DECLARE_ASN1_PRINT_FUNCTION_name\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
789                                         $def .= "int $2_print_ctx(void);";
790                                         next;
791                                 } elsif (/^\s*DECLARE_PKCS12_STACK_OF\s*\(\s*(\w*)\s*\)/) {
792                                         next;
793                                 } elsif (/^DECLARE_PEM_rw\s*\(\s*(\w*)\s*,/ ||
794                                          /^DECLARE_PEM_rw_cb\s*\(\s*(\w*)\s*,/ ||
795                                          /^DECLARE_PEM_rw_const\s*\(\s*(\w*)\s*,/ ) {
796                                         # Things not in Win16
797                                         $def .=
798                                             "#INFO:"
799                                                 .join(',',"!WIN16",@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_cb\s*\(\s*(\w*)\s*,/ ) {
813                                         # Things not in Win16
814                                         $def .=
815                                             "#INFO:"
816                                                 .join(',',"!WIN16",@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                                         # Things not in Win16
829                                         $def .=
830                                             "#INFO:"
831                                                 .join(',',"!WIN16",@current_platforms).":"
832                                                     .join(',',@current_algorithms).";";
833                                         $def .= "int PEM_read_$1(void);";
834                                         $def .=
835                                             "#INFO:"
836                                                 .join(',',@current_platforms).":"
837                                                     .join(',',@current_algorithms).";";
838                                         # Things that are everywhere
839                                         $def .= "int PEM_read_bio_$1(void);";
840                                         next;
841                                 } elsif (/^OPENSSL_DECLARE_GLOBAL\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
842                                         # Variant for platforms that do not
843                                         # have to access globale variables
844                                         # in shared libraries through functions
845                                         $def .=
846                                             "#INFO:"
847                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
848                                                     .join(',',@current_algorithms).";";
849                                         $def .= "OPENSSL_EXTERN int _shadow_$2;";
850                                         $def .=
851                                             "#INFO:"
852                                                 .join(',',@current_platforms).":"
853                                                     .join(',',@current_algorithms).";";
854                                         # Variant for platforms that have to
855                                         # access globale variables in shared
856                                         # libraries through functions
857                                         &$make_variant("_shadow_$2","_shadow_$2",
858                                                       "EXPORT_VAR_AS_FUNCTION",
859                                                       "FUNCTION");
860                                 } elsif ($tag{'CONST_STRICT'} != 1) {
861                                         if (/\{|\/\*|\([^\)]*$/) {
862                                                 $line = $_;
863                                         } else {
864                                                 $def .= $_;
865                                         }
866                                 }
867                         }
868                 }
869                 close(IN);
870
871                 my $algs;
872                 my $plays;
873
874                 print STDERR "DEBUG: postprocessing ----------\n" if $debug;
875                 foreach (split /;/, $def) {
876                         my $s; my $k = "FUNCTION"; my $p; my $a;
877                         s/^[\n\s]*//g;
878                         s/[\n\s]*$//g;
879                         next if(/\#undef/);
880                         next if(/typedef\W/);
881                         next if(/\#define/);
882
883                         # Reduce argument lists to empty ()
884                         # fold round brackets recursively: (t(*v)(t),t) -> (t{}{},t) -> {}
885                         while(/\(.*\)/s) {
886                                 s/\([^\(\)]+\)/\{\}/gs;
887                                 s/\(\s*\*\s*(\w+)\s*\{\}\s*\)/$1/gs;    #(*f{}) -> f
888                         }
889                         # pretend as we didn't use curly braces: {} -> ()
890                         s/\{\}/\(\)/gs;
891
892                         s/STACK_OF\(\)/void/gs;
893                         s/LHASH_OF\(\)/void/gs;
894
895                         print STDERR "DEBUG: \$_ = \"$_\"\n" if $debug;
896                         if (/^\#INFO:([^:]*):(.*)$/) {
897                                 $plats = $1;
898                                 $algs = $2;
899                                 print STDERR "DEBUG: found info on platforms ($plats) and algorithms ($algs)\n" if $debug;
900                                 next;
901                         } elsif (/^\s*OPENSSL_EXTERN\s.*?(\w+(\{[0-9]+\})?)(\[[0-9]*\])*\s*$/) {
902                                 $s = $1;
903                                 $k = "VARIABLE";
904                                 print STDERR "DEBUG: found external variable $s\n" if $debug;
905                         } elsif (/TYPEDEF_\w+_OF/s) {
906                                 next;
907                         } elsif (/(\w+)\s*\(\).*/s) {   # first token prior [first] () is
908                                 $s = $1;                # a function name!
909                                 print STDERR "DEBUG: found function $s\n" if $debug;
910                         } elsif (/\(/ and not (/=/)) {
911                                 print STDERR "File $file: cannot parse: $_;\n";
912                                 next;
913                         } else {
914                                 next;
915                         }
916
917                         $syms{$s} = 1;
918                         $kind{$s} = $k;
919
920                         $p = $plats;
921                         $a = $algs;
922                         $a .= ",BF" if($s =~ /EVP_bf/);
923                         $a .= ",CAST" if($s =~ /EVP_cast/);
924                         $a .= ",DES" if($s =~ /EVP_des/);
925                         $a .= ",DSA" if($s =~ /EVP_dss/);
926                         $a .= ",IDEA" if($s =~ /EVP_idea/);
927                         $a .= ",MD2" if($s =~ /EVP_md2/);
928                         $a .= ",MD4" if($s =~ /EVP_md4/);
929                         $a .= ",MD5" if($s =~ /EVP_md5/);
930                         $a .= ",RC2" if($s =~ /EVP_rc2/);
931                         $a .= ",RC4" if($s =~ /EVP_rc4/);
932                         $a .= ",RC5" if($s =~ /EVP_rc5/);
933                         $a .= ",RIPEMD" if($s =~ /EVP_ripemd/);
934                         $a .= ",SHA" if($s =~ /EVP_sha/);
935                         $a .= ",RSA" if($s =~ /EVP_(Open|Seal)(Final|Init)/);
936                         $a .= ",RSA" if($s =~ /PEM_Seal(Final|Init|Update)/);
937                         $a .= ",RSA" if($s =~ /RSAPrivateKey/);
938                         $a .= ",RSA" if($s =~ /SSLv23?_((client|server)_)?method/);
939
940                         $platform{$s} =
941                             &reduce_platforms((defined($platform{$s})?$platform{$s}.',':"").$p);
942                         $algorithm{$s} .= ','.$a;
943
944                         if (defined($variant{$s})) {
945                                 foreach $v (split /;/,$variant{$s}) {
946                                         (my $r, my $p, my $k) = split(/:/,$v);
947                                         my $ip = join ',',map({ /^!(.*)$/ ? $1 : "!".$_ } split /,/, $p);
948                                         $syms{$r} = 1;
949                                         if (!defined($k)) { $k = $kind{$s}; }
950                                         $kind{$r} = $k."(".$s.")";
951                                         $algorithm{$r} = $algorithm{$s};
952                                         $platform{$r} = &reduce_platforms($platform{$s}.",".$p.",".$p);
953                                         $platform{$s} = &reduce_platforms($platform{$s}.','.$ip.','.$ip);
954                                         print STDERR "DEBUG: \$variant{\"$s\"} = ",$v,"; \$r = $r; \$p = ",$platform{$r},"; \$a = ",$algorithm{$r},"; \$kind = ",$kind{$r},"\n" if $debug;
955                                 }
956                         }
957                         print STDERR "DEBUG: \$s = $s; \$p = ",$platform{$s},"; \$a = ",$algorithm{$s},"; \$kind = ",$kind{$s},"\n" if $debug;
958                 }
959         }
960
961         # Prune the returned symbols
962
963         delete $syms{"bn_dump1"};
964         $platform{"BIO_s_log"} .= ",!WIN32,!WIN16,!macintosh";
965
966         $platform{"PEM_read_NS_CERT_SEQ"} = "VMS";
967         $platform{"PEM_write_NS_CERT_SEQ"} = "VMS";
968         $platform{"PEM_read_P8_PRIV_KEY_INFO"} = "VMS";
969         $platform{"PEM_write_P8_PRIV_KEY_INFO"} = "VMS";
970         $platform{"EVP_sha384"} = "!VMSVAX";
971         $platform{"EVP_sha512"} = "!VMSVAX";
972         $platform{"SHA384_Init"} = "!VMSVAX";
973         $platform{"SHA384_Transform"} = "!VMSVAX";
974         $platform{"SHA384_Update"} = "!VMSVAX";
975         $platform{"SHA384_Final"} = "!VMSVAX";
976         $platform{"SHA384"} = "!VMSVAX";
977         $platform{"SHA512_Init"} = "!VMSVAX";
978         $platform{"SHA512_Transform"} = "!VMSVAX";
979         $platform{"SHA512_Update"} = "!VMSVAX";
980         $platform{"SHA512_Final"} = "!VMSVAX";
981         $platform{"SHA512"} = "!VMSVAX";
982         $platform{"WHIRLPOOL_Init"} = "!VMSVAX";
983         $platform{"WHIRLPOOL"} = "!VMSVAX";
984         $platform{"WHIRLPOOL_BitUpdate"} = "!VMSVAX";
985         $platform{"EVP_whirlpool"} = "!VMSVAX";
986         $platform{"WHIRLPOOL_Final"} = "!VMSVAX";
987         $platform{"WHIRLPOOL_Update"} = "!VMSVAX";
988
989
990         # Info we know about
991
992         push @ret, map { $_."\\".&info_string($_,"EXIST",
993                                               $platform{$_},
994                                               $kind{$_},
995                                               $algorithm{$_}) } keys %syms;
996
997         if (keys %unknown_algorithms) {
998                 print STDERR "WARNING: mkdef.pl doesn't know the following algorithms:\n";
999                 print STDERR "\t",join("\n\t",keys %unknown_algorithms),"\n";
1000         }
1001         return(@ret);
1002 }
1003
1004 # Param: string of comma-separated platform-specs.
1005 sub reduce_platforms
1006 {
1007         my ($platforms) = @_;
1008         my $pl = defined($platforms) ? $platforms : "";
1009         my %p = map { $_ => 0 } split /,/, $pl;
1010         my $ret;
1011
1012         print STDERR "DEBUG: Entered reduce_platforms with \"$platforms\"\n"
1013             if $debug;
1014         # We do this, because if there's code like the following, it really
1015         # means the function exists in all cases and should therefore be
1016         # everywhere.  By increasing and decreasing, we may attain 0:
1017         #
1018         # ifndef WIN16
1019         #    int foo();
1020         # else
1021         #    int _fat foo();
1022         # endif
1023         foreach $platform (split /,/, $pl) {
1024                 if ($platform =~ /^!(.*)$/) {
1025                         $p{$1}--;
1026                 } else {
1027                         $p{$platform}++;
1028                 }
1029         }
1030         foreach $platform (keys %p) {
1031                 if ($p{$platform} == 0) { delete $p{$platform}; }
1032         }
1033
1034         delete $p{""};
1035
1036         $ret = join(',',sort(map { $p{$_} < 0 ? "!".$_ : $_ } keys %p));
1037         print STDERR "DEBUG: Exiting reduce_platforms with \"$ret\"\n"
1038             if $debug;
1039         return $ret;
1040 }
1041
1042 sub info_string {
1043         (my $symbol, my $exist, my $platforms, my $kind, my $algorithms) = @_;
1044
1045         my %a = defined($algorithms) ?
1046             map { $_ => 1 } split /,/, $algorithms : ();
1047         my $k = defined($kind) ? $kind : "FUNCTION";
1048         my $ret;
1049         my $p = &reduce_platforms($platforms);
1050
1051         delete $a{""};
1052
1053         $ret = $exist;
1054         $ret .= ":".$p;
1055         $ret .= ":".$k;
1056         $ret .= ":".join(',',sort keys %a);
1057         return $ret;
1058 }
1059
1060 sub maybe_add_info {
1061         (my $name, *nums, my @symbols) = @_;
1062         my $sym;
1063         my $new_info = 0;
1064         my %syms=();
1065
1066         print STDERR "Updating $name info\n";
1067         foreach $sym (@symbols) {
1068                 (my $s, my $i) = split /\\/, $sym;
1069                 if (defined($nums{$s})) {
1070                         $i =~ s/^(.*?:.*?:\w+)(\(\w+\))?/$1/;
1071                         (my $n, my $dummy) = split /\\/, $nums{$s};
1072                         if (!defined($dummy) || $i ne $dummy) {
1073                                 $nums{$s} = $n."\\".$i;
1074                                 $new_info++;
1075                                 print STDERR "DEBUG: maybe_add_info for $s: \"$dummy\" => \"$i\"\n" if $debug;
1076                         }
1077                 }
1078                 $syms{$s} = 1;
1079         }
1080
1081         my @s=sort { &parse_number($nums{$a},"n") <=> &parse_number($nums{$b},"n") } keys %nums;
1082         foreach $sym (@s) {
1083                 (my $n, my $i) = split /\\/, $nums{$sym};
1084                 if (!defined($syms{$sym}) && $i !~ /^NOEXIST:/) {
1085                         $new_info++;
1086                         print STDERR "DEBUG: maybe_add_info for $sym: -> undefined\n" if $debug;
1087                 }
1088         }
1089         if ($new_info) {
1090                 print STDERR "$new_info old symbols got an info update\n";
1091                 if (!$do_rewrite) {
1092                         print STDERR "You should do a rewrite to fix this.\n";
1093                 }
1094         } else {
1095                 print STDERR "No old symbols needed info update\n";
1096         }
1097 }
1098
1099 # Param: string of comma-separated keywords, each possibly prefixed with a "!"
1100 sub is_valid
1101 {
1102         my ($keywords_txt,$platforms) = @_;
1103         my (@keywords) = split /,/,$keywords_txt;
1104         my ($falsesum, $truesum) = (0, 1);
1105
1106         # Param: one keyword
1107         sub recognise
1108         {
1109                 my ($keyword,$platforms) = @_;
1110
1111                 if ($platforms) {
1112                         # platforms
1113                         if ($keyword eq "VMSVAX" && $VMSVAX) { return 1; }
1114                         if ($keyword eq "VMSNonVAX" && $VMSNonVAX) { return 1; }
1115                         if ($keyword eq "VMS" && $VMS) { return 1; }
1116                         if ($keyword eq "WIN32" && $W32) { return 1; }
1117                         if ($keyword eq "WIN16" && $W16) { return 1; }
1118                         if ($keyword eq "WINNT" && $NT) { return 1; }
1119                         if ($keyword eq "OS2" && $OS2) { return 1; }
1120                         # Special platforms:
1121                         # EXPORT_VAR_AS_FUNCTION means that global variables
1122                         # will be represented as functions.  This currently
1123                         # only happens on VMS-VAX.
1124                         if ($keyword eq "EXPORT_VAR_AS_FUNCTION" && ($VMSVAX || $W32 || $W16)) {
1125                                 return 1;
1126                         }
1127                         if ($keyword eq "ZLIB" && $zlib) { return 1; }
1128                         return 0;
1129                 } else {
1130                         # algorithms
1131                         if ($keyword eq "RC2" && $no_rc2) { return 0; }
1132                         if ($keyword eq "RC4" && $no_rc4) { return 0; }
1133                         if ($keyword eq "RC5" && $no_rc5) { return 0; }
1134                         if ($keyword eq "IDEA" && $no_idea) { return 0; }
1135                         if ($keyword eq "DES" && $no_des) { return 0; }
1136                         if ($keyword eq "BF" && $no_bf) { return 0; }
1137                         if ($keyword eq "CAST" && $no_cast) { return 0; }
1138                         if ($keyword eq "MD2" && $no_md2) { return 0; }
1139                         if ($keyword eq "MD4" && $no_md4) { return 0; }
1140                         if ($keyword eq "MD5" && $no_md5) { return 0; }
1141                         if ($keyword eq "SHA" && $no_sha) { return 0; }
1142                         if ($keyword eq "RIPEMD" && $no_ripemd) { return 0; }
1143                         if ($keyword eq "MDC2" && $no_mdc2) { return 0; }
1144                         if ($keyword eq "WHIRLPOOL" && $no_whirlpool) { return 0; }
1145                         if ($keyword eq "RSA" && $no_rsa) { return 0; }
1146                         if ($keyword eq "DSA" && $no_dsa) { return 0; }
1147                         if ($keyword eq "DH" && $no_dh) { return 0; }
1148                         if ($keyword eq "EC" && $no_ec) { return 0; }
1149                         if ($keyword eq "ECDSA" && $no_ecdsa) { return 0; }
1150                         if ($keyword eq "ECDH" && $no_ecdh) { return 0; }
1151                         if ($keyword eq "HMAC" && $no_hmac) { return 0; }
1152                         if ($keyword eq "AES" && $no_aes) { return 0; }
1153                         if ($keyword eq "CAMELLIA" && $no_camellia) { return 0; }
1154                         if ($keyword eq "SEED" && $no_seed) { return 0; }
1155                         if ($keyword eq "EVP" && $no_evp) { return 0; }
1156                         if ($keyword eq "LHASH" && $no_lhash) { return 0; }
1157                         if ($keyword eq "STACK" && $no_stack) { return 0; }
1158                         if ($keyword eq "ERR" && $no_err) { return 0; }
1159                         if ($keyword eq "BUFFER" && $no_buffer) { return 0; }
1160                         if ($keyword eq "BIO" && $no_bio) { return 0; }
1161                         if ($keyword eq "COMP" && $no_comp) { return 0; }
1162                         if ($keyword eq "DSO" && $no_dso) { return 0; }
1163                         if ($keyword eq "KRB5" && $no_krb5) { return 0; }
1164                         if ($keyword eq "ENGINE" && $no_engine) { return 0; }
1165                         if ($keyword eq "HW" && $no_hw) { return 0; }
1166                         if ($keyword eq "FP_API" && $no_fp_api) { return 0; }
1167                         if ($keyword eq "STATIC_ENGINE" && $no_static_engine) { return 0; }
1168                         if ($keyword eq "GMP" && $no_gmp) { return 0; }
1169                         if ($keyword eq "RFC3779" && $no_rfc3779) { return 0; }
1170                         if ($keyword eq "TLSEXT" && $no_tlsext) { return 0; }
1171                         if ($keyword eq "PSK" && $no_psk) { return 0; }
1172                         if ($keyword eq "CMS" && $no_cms) { return 0; }
1173                         if ($keyword eq "SSL2" && $no_ssl2) { return 0; }
1174                         if ($keyword eq "CAPIENG" && $no_capieng) { return 0; }
1175                         if ($keyword eq "JPAKE" && $no_jpake) { return 0; }
1176                         if ($keyword eq "DEPRECATED" && $no_deprecated) { return 0; }
1177
1178                         # Nothing recognise as true
1179                         return 1;
1180                 }
1181         }
1182
1183         foreach $k (@keywords) {
1184                 if ($k =~ /^!(.*)$/) {
1185                         $falsesum += &recognise($1,$platforms);
1186                 } else {
1187                         $truesum *= &recognise($k,$platforms);
1188                 }
1189         }
1190         print STDERR "DEBUG: [",$#keywords,",",$#keywords < 0,"] is_valid($keywords_txt) => (\!$falsesum) && $truesum = ",(!$falsesum) && $truesum,"\n" if $debug;
1191         return (!$falsesum) && $truesum;
1192 }
1193
1194 sub print_test_file
1195 {
1196         (*OUT,my $name,*nums,my $testall,my @symbols)=@_;
1197         my $n = 1; my @e; my @r;
1198         my $sym; my $prev = ""; my $prefSSLeay;
1199
1200         (@e)=grep(/^SSLeay(\{[0-9]+\})?\\.*?:.*?:.*/,@symbols);
1201         (@r)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:.*/ && !/^SSLeay(\{[0-9]+\})?\\.*?:.*?:.*/,@symbols);
1202         @symbols=((sort @e),(sort @r));
1203
1204         foreach $sym (@symbols) {
1205                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1206                 my $v = 0;
1207                 $v = 1 if $i=~ /^.*?:.*?:VARIABLE/;
1208                 my $p = ($i =~ /^[^:]*:([^:]*):/,$1);
1209                 my $a = ($i =~ /^[^:]*:[^:]*:[^:]*:([^:]*)/,$1);
1210                 if (!defined($nums{$s})) {
1211                         print STDERR "Warning: $s does not have a number assigned\n"
1212                             if(!$do_update);
1213                 } elsif (is_valid($p,1) && is_valid($a,0)) {
1214                         my $s2 = ($s =~ /^(.*?)(\{[0-9]+\})?$/, $1);
1215                         if ($prev eq $s2) {
1216                                 print OUT "\t/* The following has already appeared previously */\n";
1217                                 print STDERR "Warning: Symbol '",$s2,"' redefined. old=",($nums{$prev} =~ /^(.*?)\\/,$1),", new=",($nums{$s2} =~ /^(.*?)\\/,$1),"\n";
1218                         }
1219                         $prev = $s2;    # To warn about duplicates...
1220
1221                         ($nn,$ni)=($nums{$s2} =~ /^(.*?)\\(.*)$/);
1222                         if ($v) {
1223                                 print OUT "\textern int $s2; /* type unknown */ /* $nn $ni */\n";
1224                         } else {
1225                                 print OUT "\textern int $s2(); /* type unknown */ /* $nn $ni */\n";
1226                         }
1227                 }
1228         }
1229 }
1230
1231 sub get_version {
1232    local *MF;
1233    my $v = '?';
1234    open MF, 'Makefile' or return $v;
1235    while (<MF>) {
1236      $v = $1, last if /^VERSION=(.*?)\s*$/;
1237    }
1238    close MF;
1239    return $v;
1240 }
1241
1242 sub print_def_file
1243 {
1244         (*OUT,my $name,*nums,my @symbols)=@_;
1245         my $n = 1; my @e; my @r; my @v; my $prev="";
1246         my $liboptions="";
1247         my $libname = $name;
1248         my $http_vendor = 'www.openssl.org/';
1249         my $version = get_version();
1250         my $what = "OpenSSL: implementation of Secure Socket Layer";
1251         my $description = "$what $version, $name - http://$http_vendor";
1252
1253         if ($W32)
1254                 { $libname.="32"; }
1255         elsif ($W16)
1256                 { $libname.="16"; }
1257         elsif ($OS2)
1258                 { # DLL names should not clash on the whole system.
1259                   # However, they should not have any particular relationship
1260                   # to the name of the static library.  Chose descriptive names
1261                   # (must be at most 8 chars).
1262                   my %translate = (ssl => 'open_ssl', crypto => 'cryptssl');
1263                   $libname = $translate{$name} || $name;
1264                   $liboptions = <<EOO;
1265 INITINSTANCE
1266 DATA MULTIPLE NONSHARED
1267 EOO
1268                   # Vendor field can't contain colon, drat; so we omit http://
1269                   $description = "\@#$http_vendor:$version#\@$what; DLL for library $name.  Build for EMX -Zmtd";
1270                 }
1271
1272         print OUT <<"EOF";
1273 ;
1274 ; Definition file for the DLL version of the $name library from OpenSSL
1275 ;
1276
1277 LIBRARY         $libname        $liboptions
1278
1279 EOF
1280
1281         if ($W16) {
1282                 print <<"EOF";
1283 CODE            PRELOAD MOVEABLE
1284 DATA            PRELOAD MOVEABLE SINGLE
1285
1286 EXETYPE         WINDOWS
1287
1288 HEAPSIZE        4096
1289 STACKSIZE       8192
1290
1291 EOF
1292         }
1293
1294         print "EXPORTS\n";
1295
1296         (@e)=grep(/^SSLeay(\{[0-9]+\})?\\.*?:.*?:FUNCTION/,@symbols);
1297         (@r)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:FUNCTION/ && !/^SSLeay(\{[0-9]+\})?\\.*?:.*?:FUNCTION/,@symbols);
1298         (@v)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:VARIABLE/,@symbols);
1299         @symbols=((sort @e),(sort @r), (sort @v));
1300
1301
1302         foreach $sym (@symbols) {
1303                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1304                 my $v = 0;
1305                 $v = 1 if $i =~ /^.*?:.*?:VARIABLE/;
1306                 if (!defined($nums{$s})) {
1307                         printf STDERR "Warning: $s does not have a number assigned\n"
1308                             if(!$do_update);
1309                 } else {
1310                         (my $n, my $dummy) = split /\\/, $nums{$s};
1311                         my %pf = ();
1312                         my $p = ($i =~ /^[^:]*:([^:]*):/,$1);
1313                         my $a = ($i =~ /^[^:]*:[^:]*:[^:]*:([^:]*)/,$1);
1314                         if (is_valid($p,1) && is_valid($a,0)) {
1315                                 my $s2 = ($s =~ /^(.*?)(\{[0-9]+\})?$/, $1);
1316                                 if ($prev eq $s2) {
1317                                         print STDERR "Warning: Symbol '",$s2,"' redefined. old=",($nums{$prev} =~ /^(.*?)\\/,$1),", new=",($nums{$s2} =~ /^(.*?)\\/,$1),"\n";
1318                                 }
1319                                 $prev = $s2;    # To warn about duplicates...
1320                                 if($v && !$OS2) {
1321                                         printf OUT "    %s%-39s @%-8d DATA\n",($W32)?"":"_",$s2,$n;
1322                                 } else {
1323                                         printf OUT "    %s%-39s @%d\n",($W32||$OS2)?"":"_",$s2,$n;
1324                                 }
1325                         }
1326                 }
1327         }
1328         printf OUT "\n";
1329 }
1330
1331 sub load_numbers
1332 {
1333         my($name)=@_;
1334         my(@a,%ret);
1335
1336         $max_num = 0;
1337         $num_noinfo = 0;
1338         $prev = "";
1339         $prev_cnt = 0;
1340
1341         open(IN,"<$name") || die "unable to open $name:$!\n";
1342         while (<IN>) {
1343                 chop;
1344                 s/#.*$//;
1345                 next if /^\s*$/;
1346                 @a=split;
1347                 if (defined $ret{$a[0]}) {
1348                         # This is actually perfectly OK
1349                         #print STDERR "Warning: Symbol '",$a[0],"' redefined. old=",$ret{$a[0]},", new=",$a[1],"\n";
1350                 }
1351                 if ($max_num > $a[1]) {
1352                         print STDERR "Warning: Number decreased from ",$max_num," to ",$a[1],"\n";
1353                 }
1354                 elsif ($max_num == $a[1]) {
1355                         # This is actually perfectly OK
1356                         #print STDERR "Warning: Symbol ",$a[0]," has same number as previous ",$prev,": ",$a[1],"\n";
1357                         if ($a[0] eq $prev) {
1358                                 $prev_cnt++;
1359                                 $a[0] .= "{$prev_cnt}";
1360                         }
1361                 }
1362                 else {
1363                         $prev_cnt = 0;
1364                 }
1365                 if ($#a < 2) {
1366                         # Existence will be proven later, in do_defs
1367                         $ret{$a[0]}=$a[1];
1368                         $num_noinfo++;
1369                 } else {
1370                         $ret{$a[0]}=$a[1]."\\".$a[2]; # \\ is a special marker
1371                 }
1372                 $max_num = $a[1] if $a[1] > $max_num;
1373                 $prev=$a[0];
1374         }
1375         if ($num_noinfo) {
1376                 print STDERR "Warning: $num_noinfo symbols were without info.";
1377                 if ($do_rewrite) {
1378                         printf STDERR "  The rewrite will fix this.\n";
1379                 } else {
1380                         printf STDERR "  You should do a rewrite to fix this.\n";
1381                 }
1382         }
1383         close(IN);
1384         return(%ret);
1385 }
1386
1387 sub parse_number
1388 {
1389         (my $str, my $what) = @_;
1390         (my $n, my $i) = split(/\\/,$str);
1391         if ($what eq "n") {
1392                 return $n;
1393         } else {
1394                 return $i;
1395         }
1396 }
1397
1398 sub rewrite_numbers
1399 {
1400         (*OUT,$name,*nums,@symbols)=@_;
1401         my $thing;
1402
1403         print STDERR "Rewriting $name\n";
1404
1405         my @r = grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:\w+\(\w+\)/,@symbols);
1406         my $r; my %r; my %rsyms;
1407         foreach $r (@r) {
1408                 (my $s, my $i) = split /\\/, $r;
1409                 my $a = $1 if $i =~ /^.*?:.*?:\w+\((\w+)\)/;
1410                 $i =~ s/^(.*?:.*?:\w+)\(\w+\)/$1/;
1411                 $r{$a} = $s."\\".$i;
1412                 $rsyms{$s} = 1;
1413         }
1414
1415         my %syms = ();
1416         foreach $_ (@symbols) {
1417                 (my $n, my $i) = split /\\/;
1418                 $syms{$n} = 1;
1419         }
1420
1421         my @s=sort {
1422             &parse_number($nums{$a},"n") <=> &parse_number($nums{$b},"n")
1423             || $a cmp $b
1424         } keys %nums;
1425         foreach $sym (@s) {
1426                 (my $n, my $i) = split /\\/, $nums{$sym};
1427                 next if defined($i) && $i =~ /^.*?:.*?:\w+\(\w+\)/;
1428                 next if defined($rsyms{$sym});
1429                 print STDERR "DEBUG: rewrite_numbers for sym = ",$sym,": i = ",$i,", n = ",$n,", rsym{sym} = ",$rsyms{$sym},"syms{sym} = ",$syms{$sym},"\n" if $debug;
1430                 $i="NOEXIST::FUNCTION:"
1431                         if !defined($i) || $i eq "" || !defined($syms{$sym});
1432                 my $s2 = $sym;
1433                 $s2 =~ s/\{[0-9]+\}$//;
1434                 printf OUT "%s%-39s %d\t%s\n","",$s2,$n,$i;
1435                 if (exists $r{$sym}) {
1436                         (my $s, $i) = split /\\/,$r{$sym};
1437                         my $s2 = $s;
1438                         $s2 =~ s/\{[0-9]+\}$//;
1439                         printf OUT "%s%-39s %d\t%s\n","",$s2,$n,$i;
1440                 }
1441         }
1442 }
1443
1444 sub update_numbers
1445 {
1446         (*OUT,$name,*nums,my $start_num, my @symbols)=@_;
1447         my $new_syms = 0;
1448
1449         print STDERR "Updating $name numbers\n";
1450
1451         my @r = grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:\w+\(\w+\)/,@symbols);
1452         my $r; my %r; my %rsyms;
1453         foreach $r (@r) {
1454                 (my $s, my $i) = split /\\/, $r;
1455                 my $a = $1 if $i =~ /^.*?:.*?:\w+\((\w+)\)/;
1456                 $i =~ s/^(.*?:.*?:\w+)\(\w+\)/$1/;
1457                 $r{$a} = $s."\\".$i;
1458                 $rsyms{$s} = 1;
1459         }
1460
1461         foreach $sym (@symbols) {
1462                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1463                 next if $i =~ /^.*?:.*?:\w+\(\w+\)/;
1464                 next if defined($rsyms{$sym});
1465                 die "ERROR: Symbol $sym had no info attached to it."
1466                     if $i eq "";
1467                 if (!exists $nums{$s}) {
1468                         $new_syms++;
1469                         my $s2 = $s;
1470                         $s2 =~ s/\{[0-9]+\}$//;
1471                         printf OUT "%s%-39s %d\t%s\n","",$s2, ++$start_num,$i;
1472                         if (exists $r{$s}) {
1473                                 ($s, $i) = split /\\/,$r{$s};
1474                                 $s =~ s/\{[0-9]+\}$//;
1475                                 printf OUT "%s%-39s %d\t%s\n","",$s, $start_num,$i;
1476                         }
1477                 }
1478         }
1479         if($new_syms) {
1480                 print STDERR "$new_syms New symbols added\n";
1481         } else {
1482                 print STDERR "No New symbols Added\n";
1483         }
1484 }
1485
1486 sub check_existing
1487 {
1488         (*nums, my @symbols)=@_;
1489         my %existing; my @remaining;
1490         @remaining=();
1491         foreach $sym (@symbols) {
1492                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1493                 $existing{$s}=1;
1494         }
1495         foreach $sym (keys %nums) {
1496                 if (!exists $existing{$sym}) {
1497                         push @remaining, $sym;
1498                 }
1499         }
1500         if(@remaining) {
1501                 print STDERR "The following symbols do not seem to exist:\n";
1502                 foreach $sym (@remaining) {
1503                         print STDERR "\t",$sym,"\n";
1504                 }
1505         }
1506 }
1507