f7f0e6ebf20bad667d7ec9f5bd2ed2dcaaef719e
[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 $VMSAlpha=0;
73 my $VMS=0;
74 my $W32=0;
75 my $W16=0;
76 my $NT=0;
77 my $OS2=0;
78 # Set this to make typesafe STACK definitions appear in DEF
79 my $safe_stack_def = 0;
80
81 my @known_platforms = ( "__FreeBSD__", "PERL5", "NeXT",
82                         "EXPORT_VAR_AS_FUNCTION" );
83 my @known_ossl_platforms = ( "VMS", "WIN16", "WIN32", "WINNT", "OS2" );
84 my @known_algorithms = ( "RC2", "RC4", "RC5", "IDEA", "DES", "BF",
85                          "CAST", "MD2", "MD4", "MD5", "SHA", "SHA0", "SHA1",
86                          "RIPEMD",
87                          "MDC2", "RSA", "DSA", "DH", "EC", "ECDH", "ECDSA", "HMAC", "AES",
88                          # Envelope "algorithms"
89                          "EVP", "X509", "ASN1_TYPEDEFS",
90                          # Helper "algorithms"
91                          "BIO", "COMP", "BUFFER", "LHASH", "STACK", "ERR",
92                          "LOCKING",
93                          # External "algorithms"
94                          "FP_API", "STDIO", "SOCK", "KRB5",
95                          # Engines
96                          "STATIC_ENGINE", "ENGINE", "HW",
97                          # Deprecated functions
98                          "DEPRECATED" );
99
100 my $options="";
101 open(IN,"<Makefile.ssl") || die "unable to open Makefile.ssl!\n";
102 while(<IN>) {
103     $options=$1 if (/^OPTIONS=(.*)$/);
104 }
105 close(IN);
106
107 # The following ciphers may be excluded (by Configure). This means functions
108 # defined with ifndef(NO_XXX) are not included in the .def file, and everything
109 # in directory xxx is ignored.
110 my $no_rc2; my $no_rc4; my $no_rc5; my $no_idea; my $no_des; my $no_bf;
111 my $no_cast;
112 my $no_md2; my $no_md4; my $no_md5; my $no_sha; my $no_ripemd; my $no_mdc2;
113 my $no_rsa; my $no_dsa; my $no_dh; my $no_hmac=0; my $no_aes; my $no_krb5;
114 my $no_ec; my $no_ecdsa; my $no_ecdh; my $no_engine; my $no_hw;
115 my $no_fp_api; my $no_static_engine; my $no_deprecated;
116
117 foreach (@ARGV, split(/ /, $options))
118         {
119         $debug=1 if $_ eq "debug";
120         $W32=1 if $_ eq "32";
121         $W16=1 if $_ eq "16";
122         if($_ eq "NT") {
123                 $W32 = 1;
124                 $NT = 1;
125         }
126         if ($_ eq "VMS-VAX") {
127                 $VMS=1;
128                 $VMSVAX=1;
129         }
130         if ($_ eq "VMS-Alpha") {
131                 $VMS=1;
132                 $VMSAlpha=1;
133         }
134         $VMS=1 if $_ eq "VMS";
135         $OS2=1 if $_ eq "OS2";
136
137         $do_ssl=1 if $_ eq "ssleay";
138         if ($_ eq "ssl") {
139                 $do_ssl=1; 
140                 $libname=$_
141         }
142         $do_crypto=1 if $_ eq "libeay";
143         if ($_ eq "crypto") {
144                 $do_crypto=1;
145                 $libname=$_;
146         }
147         $do_update=1 if $_ eq "update";
148         $do_rewrite=1 if $_ eq "rewrite";
149         $do_ctest=1 if $_ eq "ctest";
150         $do_ctestall=1 if $_ eq "ctestall";
151         $do_checkexist=1 if $_ eq "exist";
152         #$safe_stack_def=1 if $_ eq "-DDEBUG_SAFESTACK";
153
154         if    (/^no-rc2$/)      { $no_rc2=1; }
155         elsif (/^no-rc4$/)      { $no_rc4=1; }
156         elsif (/^no-rc5$/)      { $no_rc5=1; }
157         elsif (/^no-idea$/)     { $no_idea=1; }
158         elsif (/^no-des$/)      { $no_des=1; $no_mdc2=1; }
159         elsif (/^no-bf$/)       { $no_bf=1; }
160         elsif (/^no-cast$/)     { $no_cast=1; }
161         elsif (/^no-md2$/)      { $no_md2=1; }
162         elsif (/^no-md4$/)      { $no_md4=1; }
163         elsif (/^no-md5$/)      { $no_md5=1; }
164         elsif (/^no-sha$/)      { $no_sha=1; }
165         elsif (/^no-ripemd$/)   { $no_ripemd=1; }
166         elsif (/^no-mdc2$/)     { $no_mdc2=1; }
167         elsif (/^no-rsa$/)      { $no_rsa=1; }
168         elsif (/^no-dsa$/)      { $no_dsa=1; }
169         elsif (/^no-dh$/)       { $no_dh=1; }
170         elsif (/^no-ec$/)       { $no_ec=1; }
171         elsif (/^no-ecdsa$/)    { $no_ecdsa=1; }
172         elsif (/^no-ecdh$/)     { $no_ecdh=1; }
173         elsif (/^no-hmac$/)     { $no_hmac=1; }
174         elsif (/^no-aes$/)      { $no_aes=1; }
175         elsif (/^no-evp$/)      { $no_evp=1; }
176         elsif (/^no-lhash$/)    { $no_lhash=1; }
177         elsif (/^no-stack$/)    { $no_stack=1; }
178         elsif (/^no-err$/)      { $no_err=1; }
179         elsif (/^no-buffer$/)   { $no_buffer=1; }
180         elsif (/^no-bio$/)      { $no_bio=1; }
181         #elsif (/^no-locking$/) { $no_locking=1; }
182         elsif (/^no-comp$/)     { $no_comp=1; }
183         elsif (/^no-dso$/)      { $no_dso=1; }
184         elsif (/^no-krb5$/)     { $no_krb5=1; }
185         elsif (/^no-engine$/)   { $no_engine=1; }
186         elsif (/^no-hw$/)       { $no_hw=1; }
187         }
188
189
190 if (!$libname) { 
191         if ($do_ssl) {
192                 $libname="SSLEAY";
193         }
194         if ($do_crypto) {
195                 $libname="LIBEAY";
196         }
197 }
198
199 # If no platform is given, assume WIN32
200 if ($W32 + $W16 + $VMS + $OS2 == 0) {
201         $W32 = 1;
202 }
203
204 # Add extra knowledge
205 if ($W16) {
206         $no_fp_api=1;
207 }
208
209 if (!$do_ssl && !$do_crypto)
210         {
211         print STDERR "usage: $0 ( ssl | crypto ) [ 16 | 32 | NT | OS2 ]\n";
212         exit(1);
213         }
214
215 %ssl_list=&load_numbers($ssl_num);
216 $max_ssl = $max_num;
217 %crypto_list=&load_numbers($crypto_num);
218 $max_crypto = $max_num;
219
220 my $ssl="ssl/ssl.h";
221 $ssl.=" ssl/kssl.h";
222
223 my $crypto ="crypto/crypto.h";
224 $crypto.=" crypto/des/des.h crypto/des/des_old.h" ; # unless $no_des;
225 $crypto.=" crypto/idea/idea.h" ; # unless $no_idea;
226 $crypto.=" crypto/rc4/rc4.h" ; # unless $no_rc4;
227 $crypto.=" crypto/rc5/rc5.h" ; # unless $no_rc5;
228 $crypto.=" crypto/rc2/rc2.h" ; # unless $no_rc2;
229 $crypto.=" crypto/bf/blowfish.h" ; # unless $no_bf;
230 $crypto.=" crypto/cast/cast.h" ; # unless $no_cast;
231 $crypto.=" crypto/md2/md2.h" ; # unless $no_md2;
232 $crypto.=" crypto/md4/md4.h" ; # unless $no_md4;
233 $crypto.=" crypto/md5/md5.h" ; # unless $no_md5;
234 $crypto.=" crypto/mdc2/mdc2.h" ; # unless $no_mdc2;
235 $crypto.=" crypto/sha/sha.h" ; # unless $no_sha;
236 $crypto.=" crypto/ripemd/ripemd.h" ; # unless $no_ripemd;
237 $crypto.=" crypto/aes/aes.h" ; # unless $no_aes;
238
239 $crypto.=" crypto/bn/bn.h";
240 $crypto.=" crypto/rsa/rsa.h" ; # unless $no_rsa;
241 $crypto.=" crypto/dsa/dsa.h" ; # unless $no_dsa;
242 $crypto.=" crypto/dh/dh.h" ; # unless $no_dh;
243 $crypto.=" crypto/ec/ec.h" ; # unless $no_ec;
244 $crypto.=" crypto/ecdsa/ecdsa.h" ; # unless $no_ecdsa;
245 $crypto.=" crypto/ecdh/ecdh.h" ; # unless $no_ecdh;
246 $crypto.=" crypto/hmac/hmac.h" ; # unless $no_hmac;
247
248 $crypto.=" crypto/engine/engine.h"; # unless $no_engine;
249 $crypto.=" crypto/stack/stack.h" ; # unless $no_stack;
250 $crypto.=" crypto/buffer/buffer.h" ; # unless $no_buffer;
251 $crypto.=" crypto/bio/bio.h" ; # unless $no_bio;
252 $crypto.=" crypto/dso/dso.h" ; # unless $no_dso;
253 $crypto.=" crypto/lhash/lhash.h" ; # unless $no_lhash;
254 $crypto.=" crypto/conf/conf.h";
255 $crypto.=" crypto/txt_db/txt_db.h";
256
257 $crypto.=" crypto/evp/evp.h" ; # unless $no_evp;
258 $crypto.=" crypto/objects/objects.h";
259 $crypto.=" crypto/pem/pem.h";
260 #$crypto.=" crypto/meth/meth.h";
261 $crypto.=" crypto/asn1/asn1.h";
262 $crypto.=" crypto/asn1/asn1t.h";
263 $crypto.=" crypto/asn1/asn1_mac.h";
264 $crypto.=" crypto/err/err.h" ; # unless $no_err;
265 $crypto.=" crypto/pkcs7/pkcs7.h";
266 $crypto.=" crypto/pkcs12/pkcs12.h";
267 $crypto.=" crypto/x509/x509.h";
268 $crypto.=" crypto/x509/x509_vfy.h";
269 $crypto.=" crypto/x509v3/x509v3.h";
270 $crypto.=" crypto/rand/rand.h";
271 $crypto.=" crypto/comp/comp.h" ; # unless $no_comp;
272 $crypto.=" crypto/ocsp/ocsp.h";
273 $crypto.=" crypto/ui/ui.h crypto/ui/ui_compat.h";
274 $crypto.=" crypto/krb5/krb5_asn.h";
275 $crypto.=" crypto/tmdiff.h";
276
277 my $symhacks="crypto/symhacks.h";
278
279 my @ssl_symbols = &do_defs("SSLEAY", $ssl, $symhacks);
280 my @crypto_symbols = &do_defs("LIBEAY", $crypto, $symhacks);
281
282 if ($do_update) {
283
284 if ($do_ssl == 1) {
285
286         &maybe_add_info("SSLEAY",*ssl_list,@ssl_symbols);
287         if ($do_rewrite == 1) {
288                 open(OUT, ">$ssl_num");
289                 &rewrite_numbers(*OUT,"SSLEAY",*ssl_list,@ssl_symbols);
290         } else {
291                 open(OUT, ">>$ssl_num");
292         }
293         &update_numbers(*OUT,"SSLEAY",*ssl_list,$max_ssl,@ssl_symbols);
294         close OUT;
295 }
296
297 if($do_crypto == 1) {
298
299         &maybe_add_info("LIBEAY",*crypto_list,@crypto_symbols);
300         if ($do_rewrite == 1) {
301                 open(OUT, ">$crypto_num");
302                 &rewrite_numbers(*OUT,"LIBEAY",*crypto_list,@crypto_symbols);
303         } else {
304                 open(OUT, ">>$crypto_num");
305         }
306         &update_numbers(*OUT,"LIBEAY",*crypto_list,$max_crypto,@crypto_symbols);
307         close OUT;
308
309
310 } elsif ($do_checkexist) {
311         &check_existing(*ssl_list, @ssl_symbols)
312                 if $do_ssl == 1;
313         &check_existing(*crypto_list, @crypto_symbols)
314                 if $do_crypto == 1;
315 } elsif ($do_ctest || $do_ctestall) {
316
317         print <<"EOF";
318
319 /* Test file to check all DEF file symbols are present by trying
320  * to link to all of them. This is *not* intended to be run!
321  */
322
323 int main()
324 {
325 EOF
326         &print_test_file(*STDOUT,"SSLEAY",*ssl_list,$do_ctestall,@ssl_symbols)
327                 if $do_ssl == 1;
328
329         &print_test_file(*STDOUT,"LIBEAY",*crypto_list,$do_ctestall,@crypto_symbols)
330                 if $do_crypto == 1;
331
332         print "}\n";
333
334 } else {
335
336         &print_def_file(*STDOUT,$libname,*ssl_list,@ssl_symbols)
337                 if $do_ssl == 1;
338
339         &print_def_file(*STDOUT,$libname,*crypto_list,@crypto_symbols)
340                 if $do_crypto == 1;
341
342 }
343
344
345 sub do_defs
346 {
347         my($name,$files,$symhacksfile)=@_;
348         my $file;
349         my @ret;
350         my %syms;
351         my %platform;           # For anything undefined, we assume ""
352         my %kind;               # For anything undefined, we assume "FUNCTION"
353         my %algorithm;          # For anything undefined, we assume ""
354         my %variant;
355         my %variant_cnt;        # To be able to allocate "name{n}" if "name"
356                                 # is the same name as the original.
357         my $cpp;
358         my %unknown_algorithms = ();
359
360         foreach $file (split(/\s+/,$symhacksfile." ".$files))
361                 {
362                 print STDERR "DEBUG: starting on $file:\n" if $debug;
363                 open(IN,"<$file") || die "unable to open $file:$!\n";
364                 my $line = "", my $def= "";
365                 my %tag = (
366                         (map { $_ => 0 } @known_platforms),
367                         (map { "OPENSSL_SYS_".$_ => 0 } @known_ossl_platforms),
368                         (map { "OPENSSL_NO_".$_ => 0 } @known_algorithms),
369                         NOPROTO         => 0,
370                         PERL5           => 0,
371                         _WINDLL         => 0,
372                         CONST_STRICT    => 0,
373                         TRUE            => 1,
374                 );
375                 my $symhacking = $file eq $symhacksfile;
376                 my @current_platforms = ();
377                 my @current_algorithms = ();
378
379                 # params: symbol, alias, platforms, kind
380                 # The reason to put this subroutine in a variable is that
381                 # it will otherwise create it's own, unshared, version of
382                 # %tag and %variant...
383                 my $make_variant = sub
384                 {
385                         my ($s, $a, $p, $k) = @_;
386                         my ($a1, $a2);
387
388                         print STDERR "DEBUG: make_variant: Entered with ",$s,", ",$a,", ",(defined($p)?$p:""),", ",(defined($k)?$k:""),"\n" if $debug;
389                         if (defined($p))
390                         {
391                                 $a1 = join(",",$p,
392                                            grep(!/^$/,
393                                                 map { $tag{$_} == 1 ? $_ : "" }
394                                                 @known_platforms));
395                         }
396                         else
397                         {
398                                 $a1 = join(",",
399                                            grep(!/^$/,
400                                                 map { $tag{$_} == 1 ? $_ : "" }
401                                                 @known_platforms));
402                         }
403                         $a2 = join(",",
404                                    grep(!/^$/,
405                                         map { $tag{"OPENSSL_SYS_".$_} == 1 ? $_ : "" }
406                                         @known_ossl_platforms));
407                         print STDERR "DEBUG: make_variant: a1 = $a1; a2 = $a2\n" if $debug;
408                         if ($a1 eq "") { $a1 = $a2; }
409                         elsif ($a1 ne "" && $a2 ne "") { $a1 .= ",".$a2; }
410                         if ($a eq $s)
411                         {
412                                 if (!defined($variant_cnt{$s}))
413                                 {
414                                         $variant_cnt{$s} = 0;
415                                 }
416                                 $variant_cnt{$s}++;
417                                 $a .= "{$variant_cnt{$s}}";
418                         }
419                         my $toadd = $a.":".$a1.(defined($k)?":".$k:"");
420                         my $togrep = $s.'(\{[0-9]+\})?:'.$a1.(defined($k)?":".$k:"");
421                         if (!grep(/^$togrep$/,
422                                   split(/;/, defined($variant{$s})?$variant{$s}:""))) {
423                                 if (defined($variant{$s})) { $variant{$s} .= ";"; }
424                                 $variant{$s} .= $toadd;
425                         }
426                         print STDERR "DEBUG: make_variant: Exit with variant of ",$s," = ",$variant{$s},"\n" if $debug;
427                 };
428
429                 print STDERR "DEBUG: parsing ----------\n" if $debug;
430                 while(<IN>) {
431                         last if (/\/\* Error codes for the \w+ functions\. \*\//);
432                         if ($line ne '') {
433                                 $_ = $line . $_;
434                                 $line = '';
435                         }
436
437                         if (/\\$/) {
438                                 chomp; # remove eol
439                                 chop; # remove ending backslash
440                                 $line = $_;
441                                 next;
442                         }
443
444                         $cpp = 1 if /^\#.*ifdef.*cplusplus/;
445                         if ($cpp) {
446                                 $cpp = 0 if /^\#.*endif/;
447                                 next;
448                         }
449
450                         s/\/\*.*?\*\///gs;                   # ignore comments
451                         s/{[^{}]*}//gs;                      # ignore {} blocks
452                         print STDERR "DEBUG: \$def=\"$def\"\n" if $debug && $def ne "";
453                         print STDERR "DEBUG: \$_=\"$_\"\n" if $debug;
454                         if (/^\#\s*ifndef\s+(.*)/) {
455                                 push(@tag,"-");
456                                 push(@tag,$1);
457                                 $tag{$1}=-1;
458                                 print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
459                         } elsif (/^\#\s*if\s+!defined\(([^\)]+)\)/) {
460                                 push(@tag,"-");
461                                 if (/^\#\s*if\s+(!defined\(([^\)]+)\)(\s+\&\&\s+!defined\(([^\)]+)\))*)$/) {
462                                         my $tmp_1 = $1;
463                                         my $tmp_;
464                                         foreach $tmp_ (split '\&\&',$tmp_1) {
465                                                 $tmp_ =~ /!defined\(([^\)]+)\)/;
466                                                 print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
467                                                 push(@tag,$1);
468                                                 $tag{$1}=-1;
469                                         }
470                                 } else {
471                                         print STDERR "Warning: $file: complicated expression: $_" if $debug; # because it is O...
472                                         print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
473                                         push(@tag,$1);
474                                         $tag{$1}=-1;
475                                 }
476                         } elsif (/^\#\s*ifdef\s+(.*)/) {
477                                 push(@tag,"-");
478                                 push(@tag,$1);
479                                 $tag{$1}=1;
480                                 print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
481                         } elsif (/^\#\s*if\s+defined\(([^\)]+)\)/) {
482                                 push(@tag,"-");
483                                 if (/^\#\s*if\s+(defined\(([^\)]+)\)(\s+\|\|\s+defined\(([^\)]+)\))*)$/) {
484                                         my $tmp_1 = $1;
485                                         my $tmp_;
486                                         foreach $tmp_ (split '\|\|',$tmp_1) {
487                                                 $tmp_ =~ /defined\(([^\)]+)\)/;
488                                                 print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
489                                                 push(@tag,$1);
490                                                 $tag{$1}=1;
491                                         }
492                                 } else {
493                                         print STDERR "Warning: $file: complicated expression: $_\n" if $debug; # because it is O...
494                                         print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
495                                         push(@tag,$1);
496                                         $tag{$1}=1;
497                                 }
498                         } elsif (/^\#\s*error\s+(\w+) is disabled\./) {
499                                 my $tag_i = $#tag;
500                                 while($tag[$tag_i] ne "-") {
501                                         if ($tag[$tag_i] eq "OPENSSL_NO_".$1) {
502                                                 $tag{$tag[$tag_i]}=2;
503                                                 print STDERR "DEBUG: $file: chaged tag $1 = 2\n" if $debug;
504                                         }
505                                         $tag_i--;
506                                 }
507                         } elsif (/^\#\s*endif/) {
508                                 my $tag_i = $#tag;
509                                 while($tag[$tag_i] ne "-") {
510                                         my $t=$tag[$tag_i];
511                                         print STDERR "DEBUG: \$t=\"$t\"\n" if $debug;
512                                         if ($tag{$t}==2) {
513                                                 $tag{$t}=-1;
514                                         } else {
515                                                 $tag{$t}=0;
516                                         }
517                                         print STDERR "DEBUG: $file: changed tag ",$t," = ",$tag{$t},"\n" if $debug;
518                                         pop(@tag);
519                                         if ($t =~ /^OPENSSL_NO_([A-Z0-9_]+)$/) {
520                                                 $t=$1;
521                                         } else {
522                                                 $t="";
523                                         }
524                                         if ($t ne ""
525                                             && !grep(/^$t$/, @known_algorithms)) {
526                                                 $unknown_algorithms{$t} = 1;
527                                                 #print STDERR "DEBUG: Added as unknown algorithm: $t\n" if $debug;
528                                         }
529                                         $tag_i--;
530                                 }
531                                 pop(@tag);
532                         } elsif (/^\#\s*else/) {
533                                 my $tag_i = $#tag;
534                                 while($tag[$tag_i] ne "-") {
535                                         my $t=$tag[$tag_i];
536                                         $tag{$t}= -$tag{$t};
537                                         print STDERR "DEBUG: $file: changed tag ",$t," = ",$tag{$t},"\n" if $debug;
538                                         $tag_i--;
539                                 }
540                         } elsif (/^\#\s*if\s+1/) {
541                                 push(@tag,"-");
542                                 # Dummy tag
543                                 push(@tag,"TRUE");
544                                 $tag{"TRUE"}=1;
545                                 print STDERR "DEBUG: $file: found 1\n" if $debug;
546                         } elsif (/^\#\s*if\s+0/) {
547                                 push(@tag,"-");
548                                 # Dummy tag
549                                 push(@tag,"TRUE");
550                                 $tag{"TRUE"}=-1;
551                                 print STDERR "DEBUG: $file: found 0\n" if $debug;
552                         } elsif (/^\#\s*define\s+(\w+)\s+(\w+)/
553                                  && $symhacking && $tag{'TRUE'} != -1) {
554                                 # This is for aliasing.  When we find an alias,
555                                 # we have to invert
556                                 &$make_variant($1,$2);
557                                 print STDERR "DEBUG: $file: defined $1 = $2\n" if $debug;
558                         }
559                         if (/^\#/) {
560                                 @current_platforms =
561                                     grep(!/^$/,
562                                          map { $tag{$_} == 1 ? $_ :
563                                                    $tag{$_} == -1 ? "!".$_  : "" }
564                                          @known_platforms);
565                                 push @current_platforms
566                                     , grep(!/^$/,
567                                            map { $tag{"OPENSSL_SYS_".$_} == 1 ? $_ :
568                                                      $tag{"OPENSSL_SYS_".$_} == -1 ? "!".$_  : "" }
569                                            @known_ossl_platforms);
570                                 @current_algorithms =
571                                     grep(!/^$/,
572                                          map { $tag{"OPENSSL_NO_".$_} == -1 ? $_ : "" }
573                                          @known_algorithms);
574                                 $def .=
575                                     "#INFO:"
576                                         .join(',',@current_platforms).":"
577                                             .join(',',@current_algorithms).";";
578                                 next;
579                         }
580                         if ($tag{'TRUE'} != -1) {
581                                 if (/^\s*DECLARE_STACK_OF\s*\(\s*(\w*)\s*\)/) {
582                                         next;
583                                 } elsif (/^\s*DECLARE_ASN1_ENCODE_FUNCTIONS\s*\(\s*(\w*)\s*,\s*(\w*)\s*,\s*(\w*)\s*\)/) {
584                                         $def .= "int d2i_$3(void);";
585                                         $def .= "int i2d_$3(void);";
586                                         # Variant for platforms that do not
587                                         # have to access globale variables
588                                         # in shared libraries through functions
589                                         $def .=
590                                             "#INFO:"
591                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
592                                                     .join(',',@current_algorithms).";";
593                                         $def .= "OPENSSL_EXTERN int $2_it;";
594                                         $def .=
595                                             "#INFO:"
596                                                 .join(',',@current_platforms).":"
597                                                     .join(',',@current_algorithms).";";
598                                         # Variant for platforms that have to
599                                         # access globale variables in shared
600                                         # libraries through functions
601                                         &$make_variant("$2_it","$2_it",
602                                                       "EXPORT_VAR_AS_FUNCTION",
603                                                       "FUNCTION");
604                                         next;
605                                 } elsif (/^\s*DECLARE_ASN1_FUNCTIONS_fname\s*\(\s*(\w*)\s*,\s*(\w*)\s*,\s*(\w*)\s*\)/) {
606                                         $def .= "int d2i_$3(void);";
607                                         $def .= "int i2d_$3(void);";
608                                         $def .= "int $3_free(void);";
609                                         $def .= "int $3_new(void);";
610                                         # Variant for platforms that do not
611                                         # have to access globale variables
612                                         # in shared libraries through functions
613                                         $def .=
614                                             "#INFO:"
615                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
616                                                     .join(',',@current_algorithms).";";
617                                         $def .= "OPENSSL_EXTERN int $2_it;";
618                                         $def .=
619                                             "#INFO:"
620                                                 .join(',',@current_platforms).":"
621                                                     .join(',',@current_algorithms).";";
622                                         # Variant for platforms that have to
623                                         # access globale variables in shared
624                                         # libraries through functions
625                                         &$make_variant("$2_it","$2_it",
626                                                       "EXPORT_VAR_AS_FUNCTION",
627                                                       "FUNCTION");
628                                         next;
629                                 } elsif (/^\s*DECLARE_ASN1_FUNCTIONS\s*\(\s*(\w*)\s*\)/ ||
630                                          /^\s*DECLARE_ASN1_FUNCTIONS_const\s*\(\s*(\w*)\s*\)/) {
631                                         $def .= "int d2i_$1(void);";
632                                         $def .= "int i2d_$1(void);";
633                                         $def .= "int $1_free(void);";
634                                         $def .= "int $1_new(void);";
635                                         # Variant for platforms that do not
636                                         # have to access globale variables
637                                         # in shared libraries through functions
638                                         $def .=
639                                             "#INFO:"
640                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
641                                                     .join(',',@current_algorithms).";";
642                                         $def .= "OPENSSL_EXTERN int $1_it;";
643                                         $def .=
644                                             "#INFO:"
645                                                 .join(',',@current_platforms).":"
646                                                     .join(',',@current_algorithms).";";
647                                         # Variant for platforms that have to
648                                         # access globale variables in shared
649                                         # libraries through functions
650                                         &$make_variant("$1_it","$1_it",
651                                                       "EXPORT_VAR_AS_FUNCTION",
652                                                       "FUNCTION");
653                                         next;
654                                 } elsif (/^\s*DECLARE_ASN1_ENCODE_FUNCTIONS_const\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
655                                         $def .= "int d2i_$2(void);";
656                                         $def .= "int i2d_$2(void);";
657                                         # Variant for platforms that do not
658                                         # have to access globale variables
659                                         # in shared libraries through functions
660                                         $def .=
661                                             "#INFO:"
662                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
663                                                     .join(',',@current_algorithms).";";
664                                         $def .= "OPENSSL_EXTERN int $2_it;";
665                                         $def .=
666                                             "#INFO:"
667                                                 .join(',',@current_platforms).":"
668                                                     .join(',',@current_algorithms).";";
669                                         # Variant for platforms that have to
670                                         # access globale variables in shared
671                                         # libraries through functions
672                                         &$make_variant("$2_it","$2_it",
673                                                       "EXPORT_VAR_AS_FUNCTION",
674                                                       "FUNCTION");
675                                         next;
676                                 } elsif (/^\s*DECLARE_ASN1_FUNCTIONS_name\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
677                                         $def .= "int d2i_$2(void);";
678                                         $def .= "int i2d_$2(void);";
679                                         $def .= "int $2_free(void);";
680                                         $def .= "int $2_new(void);";
681                                         # Variant for platforms that do not
682                                         # have to access globale variables
683                                         # in shared libraries through functions
684                                         $def .=
685                                             "#INFO:"
686                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
687                                                     .join(',',@current_algorithms).";";
688                                         $def .= "OPENSSL_EXTERN int $2_it;";
689                                         $def .=
690                                             "#INFO:"
691                                                 .join(',',@current_platforms).":"
692                                                     .join(',',@current_algorithms).";";
693                                         # Variant for platforms that have to
694                                         # access globale variables in shared
695                                         # libraries through functions
696                                         &$make_variant("$2_it","$2_it",
697                                                       "EXPORT_VAR_AS_FUNCTION",
698                                                       "FUNCTION");
699                                         next;
700                                 } elsif (/^\s*DECLARE_ASN1_ITEM\s*\(\s*(\w*)\s*\)/) {
701                                         # Variant for platforms that do not
702                                         # have to access globale variables
703                                         # in shared libraries through functions
704                                         $def .=
705                                             "#INFO:"
706                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
707                                                     .join(',',@current_algorithms).";";
708                                         $def .= "OPENSSL_EXTERN int $1_it;";
709                                         $def .=
710                                             "#INFO:"
711                                                 .join(',',@current_platforms).":"
712                                                     .join(',',@current_algorithms).";";
713                                         # Variant for platforms that have to
714                                         # access globale variables in shared
715                                         # libraries through functions
716                                         &$make_variant("$1_it","$1_it",
717                                                       "EXPORT_VAR_AS_FUNCTION",
718                                                       "FUNCTION");
719                                         next;
720                                 } elsif (/^\s*DECLARE_ASN1_NDEF_FUNCTION\s*\(\s*(\w*)\s*\)/) {
721                                         $def .= "int i2d_$1_NDEF(void);";
722                                 } elsif (/^\s*DECLARE_ASN1_SET_OF\s*\(\s*(\w*)\s*\)/) {
723                                         next;
724                                 } elsif (/^\s*DECLARE_PKCS12_STACK_OF\s*\(\s*(\w*)\s*\)/) {
725                                         next;
726                                 } elsif (/^DECLARE_PEM_rw\s*\(\s*(\w*)\s*,/ ||
727                                          /^DECLARE_PEM_rw_cb\s*\(\s*(\w*)\s*,/ ) {
728                                         # Things not in Win16
729                                         $def .=
730                                             "#INFO:"
731                                                 .join(',',"!WIN16",@current_platforms).":"
732                                                     .join(',',@current_algorithms).";";
733                                         $def .= "int PEM_read_$1(void);";
734                                         $def .= "int PEM_write_$1(void);";
735                                         $def .=
736                                             "#INFO:"
737                                                 .join(',',@current_platforms).":"
738                                                     .join(',',@current_algorithms).";";
739                                         # Things that are everywhere
740                                         $def .= "int PEM_read_bio_$1(void);";
741                                         $def .= "int PEM_write_bio_$1(void);";
742                                         next;
743                                 } elsif (/^DECLARE_PEM_write\s*\(\s*(\w*)\s*,/ ||
744                                          /^DECLARE_PEM_write_cb\s*\(\s*(\w*)\s*,/ ) {
745                                         # Things not in Win16
746                                         $def .=
747                                             "#INFO:"
748                                                 .join(',',"!WIN16",@current_platforms).":"
749                                                     .join(',',@current_algorithms).";";
750                                         $def .= "int PEM_write_$1(void);";
751                                         $def .=
752                                             "#INFO:"
753                                                 .join(',',@current_platforms).":"
754                                                     .join(',',@current_algorithms).";";
755                                         # Things that are everywhere
756                                         $def .= "int PEM_write_bio_$1(void);";
757                                         next;
758                                 } elsif (/^DECLARE_PEM_read\s*\(\s*(\w*)\s*,/ ||
759                                          /^DECLARE_PEM_read_cb\s*\(\s*(\w*)\s*,/ ) {
760                                         # Things not in Win16
761                                         $def .=
762                                             "#INFO:"
763                                                 .join(',',"!WIN16",@current_platforms).":"
764                                                     .join(',',@current_algorithms).";";
765                                         $def .= "int PEM_read_$1(void);";
766                                         $def .=
767                                             "#INFO:"
768                                                 .join(',',@current_platforms).":"
769                                                     .join(',',@current_algorithms).";";
770                                         # Things that are everywhere
771                                         $def .= "int PEM_read_bio_$1(void);";
772                                         next;
773                                 } elsif (/^OPENSSL_DECLARE_GLOBAL\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
774                                         # Variant for platforms that do not
775                                         # have to access globale variables
776                                         # in shared libraries through functions
777                                         $def .=
778                                             "#INFO:"
779                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
780                                                     .join(',',@current_algorithms).";";
781                                         $def .= "OPENSSL_EXTERN int _shadow_$2;";
782                                         $def .=
783                                             "#INFO:"
784                                                 .join(',',@current_platforms).":"
785                                                     .join(',',@current_algorithms).";";
786                                         # Variant for platforms that have to
787                                         # access globale variables in shared
788                                         # libraries through functions
789                                         &$make_variant("_shadow_$2","_shadow_$2",
790                                                       "EXPORT_VAR_AS_FUNCTION",
791                                                       "FUNCTION");
792                                 } elsif ($tag{'CONST_STRICT'} != 1) {
793                                         if (/\{|\/\*|\([^\)]*$/) {
794                                                 $line = $_;
795                                         } else {
796                                                 $def .= $_;
797                                         }
798                                 }
799                         }
800                 }
801                 close(IN);
802
803                 my $algs;
804                 my $plays;
805
806                 print STDERR "DEBUG: postprocessing ----------\n" if $debug;
807                 foreach (split /;/, $def) {
808                         my $s; my $k = "FUNCTION"; my $p; my $a;
809                         s/^[\n\s]*//g;
810                         s/[\n\s]*$//g;
811                         next if(/\#undef/);
812                         next if(/typedef\W/);
813                         next if(/\#define/);
814
815                         print STDERR "DEBUG: \$_ = \"$_\"\n" if $debug;
816                         if (/^\#INFO:([^:]*):(.*)$/) {
817                                 $plats = $1;
818                                 $algs = $2;
819                                 print STDERR "DEBUG: found info on platforms ($plats) and algorithms ($algs)\n" if $debug;
820                                 next;
821                         } elsif (/^\s*OPENSSL_EXTERN\s.*?(\w+(\{[0-9]+\})?)(\[[0-9]*\])*\s*$/) {
822                                 $s = $1;
823                                 $k = "VARIABLE";
824                                 print STDERR "DEBUG: found external variable $s\n" if $debug;
825                         } elsif (/\(\*(\w*(\{[0-9]+\})?)\([^\)]+/) {
826                                 $s = $1;
827                                 print STDERR "DEBUG: found ANSI C function $s\n" if $debug;
828                         } elsif (/\w+\W+(\w+)\W*\(\s*\)$/s) {
829                                 # K&R C
830                                 print STDERR "DEBUG: found K&R C function $s\n" if $debug;
831                                 next;
832                         } elsif (/\w+\W+\w+(\{[0-9]+\})?\W*\(.*\)$/s) {
833                                 while (not /\(\)$/s) {
834                                         s/[^\(\)]*\)$/\)/s;
835                                         s/\([^\(\)]*\)\)$/\)/s;
836                                 }
837                                 s/\(void\)//;
838                                 /(\w+(\{[0-9]+\})?)\W*\(\)/s;
839                                 $s = $1;
840                                 print STDERR "DEBUG: found function $s\n" if $debug;
841                         } elsif (/\(/ and not (/=/)) {
842                                 print STDERR "File $file: cannot parse: $_;\n";
843                                 next;
844                         } else {
845                                 next;
846                         }
847
848                         $syms{$s} = 1;
849                         $kind{$s} = $k;
850
851                         $p = $plats;
852                         $a = $algs;
853                         $a .= ",BF" if($s =~ /EVP_bf/);
854                         $a .= ",CAST" if($s =~ /EVP_cast/);
855                         $a .= ",DES" if($s =~ /EVP_des/);
856                         $a .= ",DSA" if($s =~ /EVP_dss/);
857                         $a .= ",IDEA" if($s =~ /EVP_idea/);
858                         $a .= ",MD2" if($s =~ /EVP_md2/);
859                         $a .= ",MD4" if($s =~ /EVP_md4/);
860                         $a .= ",MD5" if($s =~ /EVP_md5/);
861                         $a .= ",RC2" if($s =~ /EVP_rc2/);
862                         $a .= ",RC4" if($s =~ /EVP_rc4/);
863                         $a .= ",RC5" if($s =~ /EVP_rc5/);
864                         $a .= ",RIPEMD" if($s =~ /EVP_ripemd/);
865                         $a .= ",SHA" if($s =~ /EVP_sha/);
866                         $a .= ",RSA" if($s =~ /EVP_(Open|Seal)(Final|Init)/);
867                         $a .= ",RSA" if($s =~ /PEM_Seal(Final|Init|Update)/);
868                         $a .= ",RSA" if($s =~ /RSAPrivateKey/);
869                         $a .= ",RSA" if($s =~ /SSLv23?_((client|server)_)?method/);
870
871                         $platform{$s} =
872                             &reduce_platforms((defined($platform{$s})?$platform{$s}.',':"").$p);
873                         $algorithm{$s} .= ','.$a;
874
875                         if (defined($variant{$s})) {
876                                 foreach $v (split /;/,$variant{$s}) {
877                                         (my $r, my $p, my $k) = split(/:/,$v);
878                                         my $ip = join ',',map({ /^!(.*)$/ ? $1 : "!".$_ } split /,/, $p);
879                                         $syms{$r} = 1;
880                                         if (!defined($k)) { $k = $kind{$s}; }
881                                         $kind{$r} = $k."(".$s.")";
882                                         $algorithm{$r} = $algorithm{$s};
883                                         $platform{$r} = &reduce_platforms($platform{$s}.",".$p.",".$p);
884                                         $platform{$s} = &reduce_platforms($platform{$s}.','.$ip.','.$ip);
885                                         print STDERR "DEBUG: \$variant{\"$s\"} = ",$v,"; \$r = $r; \$p = ",$platform{$r},"; \$a = ",$algorithm{$r},"; \$kind = ",$kind{$r},"\n" if $debug;
886                                 }
887                         }
888                         print STDERR "DEBUG: \$s = $s; \$p = ",$platform{$s},"; \$a = ",$algorithm{$s},"; \$kind = ",$kind{$s},"\n" if $debug;
889                 }
890         }
891
892         # Prune the returned symbols
893
894         delete $syms{"bn_dump1"};
895         $platform{"BIO_s_log"} .= ",!WIN32,!WIN16,!macintosh";
896
897         $platform{"PEM_read_NS_CERT_SEQ"} = "VMS";
898         $platform{"PEM_write_NS_CERT_SEQ"} = "VMS";
899         $platform{"PEM_read_P8_PRIV_KEY_INFO"} = "VMS";
900         $platform{"PEM_write_P8_PRIV_KEY_INFO"} = "VMS";
901
902         # Info we know about
903
904         push @ret, map { $_."\\".&info_string($_,"EXIST",
905                                               $platform{$_},
906                                               $kind{$_},
907                                               $algorithm{$_}) } keys %syms;
908
909         if (keys %unknown_algorithms) {
910                 print STDERR "WARNING: mkdef.pl doesn't know the following algorithms:\n";
911                 print STDERR "\t",join("\n\t",keys %unknown_algorithms),"\n";
912         }
913         return(@ret);
914 }
915
916 # Param: string of comma-separated platform-specs.
917 sub reduce_platforms
918 {
919         my ($platforms) = @_;
920         my $pl = defined($platforms) ? $platforms : "";
921         my %p = map { $_ => 0 } split /,/, $pl;
922         my $ret;
923
924         print STDERR "DEBUG: Entered reduce_platforms with \"$platforms\"\n"
925             if $debug;
926         # We do this, because if there's code like the following, it really
927         # means the function exists in all cases and should therefore be
928         # everywhere.  By increasing and decreasing, we may attain 0:
929         #
930         # ifndef WIN16
931         #    int foo();
932         # else
933         #    int _fat foo();
934         # endif
935         foreach $platform (split /,/, $pl) {
936                 if ($platform =~ /^!(.*)$/) {
937                         $p{$1}--;
938                 } else {
939                         $p{$platform}++;
940                 }
941         }
942         foreach $platform (keys %p) {
943                 if ($p{$platform} == 0) { delete $p{$platform}; }
944         }
945
946         delete $p{""};
947
948         $ret = join(',',sort(map { $p{$_} < 0 ? "!".$_ : $_ } keys %p));
949         print STDERR "DEBUG: Exiting reduce_platforms with \"$ret\"\n"
950             if $debug;
951         return $ret;
952 }
953
954 sub info_string {
955         (my $symbol, my $exist, my $platforms, my $kind, my $algorithms) = @_;
956
957         my %a = defined($algorithms) ?
958             map { $_ => 1 } split /,/, $algorithms : ();
959         my $k = defined($kind) ? $kind : "FUNCTION";
960         my $ret;
961         my $p = &reduce_platforms($platforms);
962
963         delete $a{""};
964
965         $ret = $exist;
966         $ret .= ":".$p;
967         $ret .= ":".$k;
968         $ret .= ":".join(',',sort keys %a);
969         return $ret;
970 }
971
972 sub maybe_add_info {
973         (my $name, *nums, my @symbols) = @_;
974         my $sym;
975         my $new_info = 0;
976         my %syms=();
977
978         print STDERR "Updating $name info\n";
979         foreach $sym (@symbols) {
980                 (my $s, my $i) = split /\\/, $sym;
981                 if (defined($nums{$s})) {
982                         $i =~ s/^(.*?:.*?:\w+)(\(\w+\))?/$1/;
983                         (my $n, my $dummy) = split /\\/, $nums{$s};
984                         if (!defined($dummy) || $i ne $dummy) {
985                                 $nums{$s} = $n."\\".$i;
986                                 $new_info++;
987                                 print STDERR "DEBUG: maybe_add_info for $s: \"$dummy\" => \"$i\"\n" if $debug;
988                         }
989                 }
990                 $syms{$s} = 1;
991         }
992
993         my @s=sort { &parse_number($nums{$a},"n") <=> &parse_number($nums{$b},"n") } keys %nums;
994         foreach $sym (@s) {
995                 (my $n, my $i) = split /\\/, $nums{$sym};
996                 if (!defined($syms{$sym}) && $i !~ /^NOEXIST:/) {
997                         $new_info++;
998                         print STDERR "DEBUG: maybe_add_info for $sym: -> undefined\n" if $debug;
999                 }
1000         }
1001         if ($new_info) {
1002                 print STDERR "$new_info old symbols got an info update\n";
1003                 if (!$do_rewrite) {
1004                         print STDERR "You should do a rewrite to fix this.\n";
1005                 }
1006         } else {
1007                 print STDERR "No old symbols needed info update\n";
1008         }
1009 }
1010
1011 # Param: string of comma-separated keywords, each possibly prefixed with a "!"
1012 sub is_valid
1013 {
1014         my ($keywords_txt,$platforms) = @_;
1015         my (@keywords) = split /,/,$keywords_txt;
1016         my ($falsesum, $truesum) = (0, !grep(/^[^!]/,@keywords));
1017
1018         # Param: one keyword
1019         sub recognise
1020         {
1021                 my ($keyword,$platforms) = @_;
1022
1023                 if ($platforms) {
1024                         # platforms
1025                         if ($keyword eq "VMS" && $VMS) { return 1; }
1026                         if ($keyword eq "WIN32" && $W32) { return 1; }
1027                         if ($keyword eq "WIN16" && $W16) { return 1; }
1028                         if ($keyword eq "WINNT" && $NT) { return 1; }
1029                         if ($keyword eq "OS2" && $OS2) { return 1; }
1030                         # Special platforms:
1031                         # EXPORT_VAR_AS_FUNCTION means that global variables
1032                         # will be represented as functions.  This currently
1033                         # only happens on VMS-VAX.
1034                         if ($keyword eq "EXPORT_VAR_AS_FUNCTION" && ($VMSVAX || $W32 || $W16)) {
1035                                 return 1;
1036                         }
1037                         return 0;
1038                 } else {
1039                         # algorithms
1040                         if ($keyword eq "RC2" && $no_rc2) { return 0; }
1041                         if ($keyword eq "RC4" && $no_rc4) { return 0; }
1042                         if ($keyword eq "RC5" && $no_rc5) { return 0; }
1043                         if ($keyword eq "IDEA" && $no_idea) { return 0; }
1044                         if ($keyword eq "DES" && $no_des) { return 0; }
1045                         if ($keyword eq "BF" && $no_bf) { return 0; }
1046                         if ($keyword eq "CAST" && $no_cast) { return 0; }
1047                         if ($keyword eq "MD2" && $no_md2) { return 0; }
1048                         if ($keyword eq "MD4" && $no_md4) { return 0; }
1049                         if ($keyword eq "MD5" && $no_md5) { return 0; }
1050                         if ($keyword eq "SHA" && $no_sha) { return 0; }
1051                         if ($keyword eq "RIPEMD" && $no_ripemd) { return 0; }
1052                         if ($keyword eq "MDC2" && $no_mdc2) { return 0; }
1053                         if ($keyword eq "RSA" && $no_rsa) { return 0; }
1054                         if ($keyword eq "DSA" && $no_dsa) { return 0; }
1055                         if ($keyword eq "DH" && $no_dh) { return 0; }
1056                         if ($keyword eq "EC" && $no_ec) { return 0; }
1057                         if ($keyword eq "ECDSA" && $no_ecdsa) { return 0; }
1058                         if ($keyword eq "ECDH" && $no_ecdh) { return 0; }
1059                         if ($keyword eq "HMAC" && $no_hmac) { return 0; }
1060                         if ($keyword eq "AES" && $no_aes) { return 0; }
1061                         if ($keyword eq "EVP" && $no_evp) { return 0; }
1062                         if ($keyword eq "LHASH" && $no_lhash) { return 0; }
1063                         if ($keyword eq "STACK" && $no_stack) { return 0; }
1064                         if ($keyword eq "ERR" && $no_err) { return 0; }
1065                         if ($keyword eq "BUFFER" && $no_buffer) { return 0; }
1066                         if ($keyword eq "BIO" && $no_bio) { return 0; }
1067                         if ($keyword eq "COMP" && $no_comp) { return 0; }
1068                         if ($keyword eq "DSO" && $no_dso) { return 0; }
1069                         if ($keyword eq "KRB5" && $no_krb5) { return 0; }
1070                         if ($keyword eq "ENGINE" && $no_engine) { return 0; }
1071                         if ($keyword eq "HW" && $no_hw) { return 0; }
1072                         if ($keyword eq "FP_API" && $no_fp_api) { return 0; }
1073                         if ($keyword eq "STATIC_ENGINE" && $no_static_engine) { return 0; }
1074                         if ($keyword eq "DEPRECATED" && $no_deprecated) { return 0; }
1075
1076                         # Nothing recognise as true
1077                         return 1;
1078                 }
1079         }
1080
1081         foreach $k (@keywords) {
1082                 if ($k =~ /^!(.*)$/) {
1083                         $falsesum += &recognise($1,$platforms);
1084                 } else {
1085                         $truesum += &recognise($k,$platforms);
1086                 }
1087         }
1088         print STDERR "DEBUG: [",$#keywords,",",$#keywords < 0,"] is_valid($keywords_txt) => (\!$falsesum) && $truesum = ",(!$falsesum) && $truesum,"\n" if $debug;
1089         return (!$falsesum) && $truesum;
1090 }
1091
1092 sub print_test_file
1093 {
1094         (*OUT,my $name,*nums,my $testall,my @symbols)=@_;
1095         my $n = 1; my @e; my @r;
1096         my $sym; my $prev = ""; my $prefSSLeay;
1097
1098         (@e)=grep(/^SSLeay(\{[0-9]+\})?\\.*?:.*?:.*/,@symbols);
1099         (@r)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:.*/ && !/^SSLeay(\{[0-9]+\})?\\.*?:.*?:.*/,@symbols);
1100         @symbols=((sort @e),(sort @r));
1101
1102         foreach $sym (@symbols) {
1103                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1104                 my $v = 0;
1105                 $v = 1 if $i=~ /^.*?:.*?:VARIABLE/;
1106                 my $p = ($i =~ /^[^:]*:([^:]*):/,$1);
1107                 my $a = ($i =~ /^[^:]*:[^:]*:[^:]*:([^:]*)/,$1);
1108                 if (!defined($nums{$s})) {
1109                         print STDERR "Warning: $s does not have a number assigned\n"
1110                             if(!$do_update);
1111                 } elsif (is_valid($p,1) && is_valid($a,0)) {
1112                         my $s2 = ($s =~ /^(.*?)(\{[0-9]+\})?$/, $1);
1113                         if ($prev eq $s2) {
1114                                 print OUT "\t/* The following has already appeared previously */\n";
1115                                 print STDERR "Warning: Symbol '",$s2,"' redefined. old=",($nums{$prev} =~ /^(.*?)\\/,$1),", new=",($nums{$s2} =~ /^(.*?)\\/,$1),"\n";
1116                         }
1117                         $prev = $s2;    # To warn about duplicates...
1118
1119                         ($nn,$ni)=($nums{$s2} =~ /^(.*?)\\(.*)$/);
1120                         if ($v) {
1121                                 print OUT "\textern int $s2; /* type unknown */ /* $nn $ni */\n";
1122                         } else {
1123                                 print OUT "\textern int $s2(); /* type unknown */ /* $nn $ni */\n";
1124                         }
1125                 }
1126         }
1127 }
1128
1129 sub print_def_file
1130 {
1131         (*OUT,my $name,*nums,my @symbols)=@_;
1132         my $n = 1; my @e; my @r; my @v; my $prev="";
1133         my $liboptions="";
1134
1135         if ($W32)
1136                 { $name.="32"; }
1137         elsif ($W16)
1138                 { $name.="16"; }
1139         elsif ($OS2)
1140                 { $liboptions = "INITINSTANCE\nDATA NONSHARED"; }
1141
1142         print OUT <<"EOF";
1143 ;
1144 ; Definition file for the DLL version of the $name library from OpenSSL
1145 ;
1146
1147 LIBRARY         $name   $liboptions
1148
1149 DESCRIPTION     'OpenSSL $name - http://www.openssl.org/'
1150
1151 EOF
1152
1153         if ($W16) {
1154                 print <<"EOF";
1155 CODE            PRELOAD MOVEABLE
1156 DATA            PRELOAD MOVEABLE SINGLE
1157
1158 EXETYPE         WINDOWS
1159
1160 HEAPSIZE        4096
1161 STACKSIZE       8192
1162
1163 EOF
1164         }
1165
1166         print "EXPORTS\n";
1167
1168         (@e)=grep(/^SSLeay(\{[0-9]+\})?\\.*?:.*?:FUNCTION/,@symbols);
1169         (@r)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:FUNCTION/ && !/^SSLeay(\{[0-9]+\})?\\.*?:.*?:FUNCTION/,@symbols);
1170         (@v)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:VARIABLE/,@symbols);
1171         @symbols=((sort @e),(sort @r), (sort @v));
1172
1173
1174         foreach $sym (@symbols) {
1175                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1176                 my $v = 0;
1177                 $v = 1 if $i =~ /^.*?:.*?:VARIABLE/;
1178                 if (!defined($nums{$s})) {
1179                         printf STDERR "Warning: $s does not have a number assigned\n"
1180                             if(!$do_update);
1181                 } else {
1182                         (my $n, my $dummy) = split /\\/, $nums{$s};
1183                         my %pf = ();
1184                         my $p = ($i =~ /^[^:]*:([^:]*):/,$1);
1185                         my $a = ($i =~ /^[^:]*:[^:]*:[^:]*:([^:]*)/,$1);
1186                         if (is_valid($p,1) && is_valid($a,0)) {
1187                                 my $s2 = ($s =~ /^(.*?)(\{[0-9]+\})?$/, $1);
1188                                 if ($prev eq $s2) {
1189                                         print STDERR "Warning: Symbol '",$s2,"' redefined. old=",($nums{$prev} =~ /^(.*?)\\/,$1),", new=",($nums{$s2} =~ /^(.*?)\\/,$1),"\n";
1190                                 }
1191                                 $prev = $s2;    # To warn about duplicates...
1192                                 if($v && !$OS2) {
1193                                         printf OUT "    %s%-39s @%-8d DATA\n",($W32)?"":"_",$s2,$n;
1194                                 } else {
1195                                         printf OUT "    %s%-39s @%d\n",($W32||$OS2)?"":"_",$s2,$n;
1196                                 }
1197                         }
1198                 }
1199         }
1200         printf OUT "\n";
1201 }
1202
1203 sub load_numbers
1204 {
1205         my($name)=@_;
1206         my(@a,%ret);
1207
1208         $max_num = 0;
1209         $num_noinfo = 0;
1210         $prev = "";
1211         $prev_cnt = 0;
1212
1213         open(IN,"<$name") || die "unable to open $name:$!\n";
1214         while (<IN>) {
1215                 chop;
1216                 s/#.*$//;
1217                 next if /^\s*$/;
1218                 @a=split;
1219                 if (defined $ret{$a[0]}) {
1220                         # This is actually perfectly OK
1221                         #print STDERR "Warning: Symbol '",$a[0],"' redefined. old=",$ret{$a[0]},", new=",$a[1],"\n";
1222                 }
1223                 if ($max_num > $a[1]) {
1224                         print STDERR "Warning: Number decreased from ",$max_num," to ",$a[1],"\n";
1225                 }
1226                 elsif ($max_num == $a[1]) {
1227                         # This is actually perfectly OK
1228                         #print STDERR "Warning: Symbol ",$a[0]," has same number as previous ",$prev,": ",$a[1],"\n";
1229                         if ($a[0] eq $prev) {
1230                                 $prev_cnt++;
1231                                 $a[0] .= "{$prev_cnt}";
1232                         }
1233                 }
1234                 else {
1235                         $prev_cnt = 0;
1236                 }
1237                 if ($#a < 2) {
1238                         # Existence will be proven later, in do_defs
1239                         $ret{$a[0]}=$a[1];
1240                         $num_noinfo++;
1241                 } else {
1242                         $ret{$a[0]}=$a[1]."\\".$a[2]; # \\ is a special marker
1243                 }
1244                 $max_num = $a[1] if $a[1] > $max_num;
1245                 $prev=$a[0];
1246         }
1247         if ($num_noinfo) {
1248                 print STDERR "Warning: $num_noinfo symbols were without info.";
1249                 if ($do_rewrite) {
1250                         printf STDERR "  The rewrite will fix this.\n";
1251                 } else {
1252                         printf STDERR "  You should do a rewrite to fix this.\n";
1253                 }
1254         }
1255         close(IN);
1256         return(%ret);
1257 }
1258
1259 sub parse_number
1260 {
1261         (my $str, my $what) = @_;
1262         (my $n, my $i) = split(/\\/,$str);
1263         if ($what eq "n") {
1264                 return $n;
1265         } else {
1266                 return $i;
1267         }
1268 }
1269
1270 sub rewrite_numbers
1271 {
1272         (*OUT,$name,*nums,@symbols)=@_;
1273         my $thing;
1274
1275         print STDERR "Rewriting $name\n";
1276
1277         my @r = grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:\w+\(\w+\)/,@symbols);
1278         my $r; my %r; my %rsyms;
1279         foreach $r (@r) {
1280                 (my $s, my $i) = split /\\/, $r;
1281                 my $a = $1 if $i =~ /^.*?:.*?:\w+\((\w+)\)/;
1282                 $i =~ s/^(.*?:.*?:\w+)\(\w+\)/$1/;
1283                 $r{$a} = $s."\\".$i;
1284                 $rsyms{$s} = 1;
1285         }
1286
1287         my %syms = ();
1288         foreach $_ (@symbols) {
1289                 (my $n, my $i) = split /\\/;
1290                 $syms{$n} = 1;
1291         }
1292
1293         my @s=sort {
1294             &parse_number($nums{$a},"n") <=> &parse_number($nums{$b},"n")
1295             || $a cmp $b
1296         } keys %nums;
1297         foreach $sym (@s) {
1298                 (my $n, my $i) = split /\\/, $nums{$sym};
1299                 next if defined($i) && $i =~ /^.*?:.*?:\w+\(\w+\)/;
1300                 next if defined($rsyms{$sym});
1301                 print STDERR "DEBUG: rewrite_numbers for sym = ",$sym,": i = ",$i,", n = ",$n,", rsym{sym} = ",$rsyms{$sym},"syms{sym} = ",$syms{$sym},"\n" if $debug;
1302                 $i="NOEXIST::FUNCTION:"
1303                         if !defined($i) || $i eq "" || !defined($syms{$sym});
1304                 my $s2 = $sym;
1305                 $s2 =~ s/\{[0-9]+\}$//;
1306                 printf OUT "%s%-39s %d\t%s\n","",$s2,$n,$i;
1307                 if (exists $r{$sym}) {
1308                         (my $s, $i) = split /\\/,$r{$sym};
1309                         my $s2 = $s;
1310                         $s2 =~ s/\{[0-9]+\}$//;
1311                         printf OUT "%s%-39s %d\t%s\n","",$s2,$n,$i;
1312                 }
1313         }
1314 }
1315
1316 sub update_numbers
1317 {
1318         (*OUT,$name,*nums,my $start_num, my @symbols)=@_;
1319         my $new_syms = 0;
1320
1321         print STDERR "Updating $name numbers\n";
1322
1323         my @r = grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:\w+\(\w+\)/,@symbols);
1324         my $r; my %r; my %rsyms;
1325         foreach $r (@r) {
1326                 (my $s, my $i) = split /\\/, $r;
1327                 my $a = $1 if $i =~ /^.*?:.*?:\w+\((\w+)\)/;
1328                 $i =~ s/^(.*?:.*?:\w+)\(\w+\)/$1/;
1329                 $r{$a} = $s."\\".$i;
1330                 $rsyms{$s} = 1;
1331         }
1332
1333         foreach $sym (@symbols) {
1334                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1335                 next if $i =~ /^.*?:.*?:\w+\(\w+\)/;
1336                 next if defined($rsyms{$sym});
1337                 die "ERROR: Symbol $sym had no info attached to it."
1338                     if $i eq "";
1339                 if (!exists $nums{$s}) {
1340                         $new_syms++;
1341                         my $s2 = $s;
1342                         $s2 =~ s/\{[0-9]+\}$//;
1343                         printf OUT "%s%-39s %d\t%s\n","",$s2, ++$start_num,$i;
1344                         if (exists $r{$s}) {
1345                                 ($s, $i) = split /\\/,$r{$s};
1346                                 $s =~ s/\{[0-9]+\}$//;
1347                                 printf OUT "%s%-39s %d\t%s\n","",$s, $start_num,$i;
1348                         }
1349                 }
1350         }
1351         if($new_syms) {
1352                 print STDERR "$new_syms New symbols added\n";
1353         } else {
1354                 print STDERR "No New symbols Added\n";
1355         }
1356 }
1357
1358 sub check_existing
1359 {
1360         (*nums, my @symbols)=@_;
1361         my %existing; my @remaining;
1362         @remaining=();
1363         foreach $sym (@symbols) {
1364                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1365                 $existing{$s}=1;
1366         }
1367         foreach $sym (keys %nums) {
1368                 if (!exists $existing{$sym}) {
1369                         push @remaining, $sym;
1370                 }
1371         }
1372         if(@remaining) {
1373                 print STDERR "The following symbols do not seem to exist:\n";
1374                 foreach $sym (@remaining) {
1375                         print STDERR "\t",$sym,"\n";
1376                 }
1377         }
1378 }
1379