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