Fix no-deprecated on Windows
[openssl.git] / util / mkdef.pl
1 #!/usr/local/bin/perl -w
2 #
3 # generate a .def file
4 #
5 # It does this by parsing the header files and looking for the
6 # prototyped functions: it then prunes the output.
7 #
8 # Intermediary files are created, call libeay.num and ssleay.num,...
9 # Previously, they had the following format:
10 #
11 #       routine-name    nnnn
12 #
13 # But that isn't enough for a number of reasons, the first on being that
14 # this format is (needlessly) very Win32-centric, and even then...
15 # One of the biggest problems is that there's no information about what
16 # routines should actually be used, which varies with what crypto algorithms
17 # are disabled.  Also, some operating systems (for example VMS with VAX C)
18 # need to keep track of the global variables as well as the functions.
19 #
20 # So, a remake of this script is done so as to include information on the
21 # kind of symbol it is (function or variable) and what algorithms they're
22 # part of.  This will allow easy translating to .def files or the corresponding
23 # file in other operating systems (a .opt file for VMS, possibly with a .mar
24 # file).
25 #
26 # The format now becomes:
27 #
28 #       routine-name    nnnn    info
29 #
30 # and the "info" part is actually a colon-separated string of fields with
31 # the following meaning:
32 #
33 #       existence:platform:kind:algorithms
34 #
35 # - "existence" can be "EXIST" or "NOEXIST" depending on if the symbol is
36 #   found somewhere in the source, 
37 # - "platforms" is empty if it exists on all platforms, otherwise it contains
38 #   comma-separated list of the platform, just as they are if the symbol exists
39 #   for those platforms, or prepended with a "!" if not.  This helps resolve
40 #   symbol name variants for platforms where the names are too long for the
41 #   compiler or linker, or if the systems is case insensitive and there is a
42 #   clash, or the symbol is implemented differently (see
43 #   EXPORT_VAR_AS_FUNCTION).  This script assumes renaming of symbols is found
44 #   in the file crypto/symhacks.h.
45 #   The semantics for the platforms is that every item is checked against the
46 #   environment.  For the negative items ("!FOO"), if any of them is false
47 #   (i.e. "FOO" is true) in the environment, the corresponding symbol can't be
48 #   used.  For the positive itms, if all of them are false in the environment,
49 #   the corresponding symbol can't be used.  Any combination of positive and
50 #   negative items are possible, and of course leave room for some redundancy.
51 # - "kind" is "FUNCTION" or "VARIABLE".  The meaning of that is obvious.
52 # - "algorithms" is a comma-separated list of algorithm names.  This helps
53 #   exclude symbols that are part of an algorithm that some user wants to
54 #   exclude.
55 #
56
57 my $debug=0;
58
59 my $crypto_num= "util/libeay.num";
60 my $ssl_num=    "util/ssleay.num";
61 my $libname;
62
63 my $do_update = 0;
64 my $do_rewrite = 1;
65 my $do_crypto = 0;
66 my $do_ssl = 0;
67 my $do_ctest = 0;
68 my $do_ctestall = 0;
69 my $do_checkexist = 0;
70
71 my $VMSVAX=0;
72 my $VMSNonVAX=0;
73 my $VMS=0;
74 my $W32=0;
75 my $W16=0;
76 my $NT=0;
77 my $OS2=0;
78 # Set this to make typesafe STACK definitions appear in DEF
79 my $safe_stack_def = 0;
80
81 my @known_platforms = ( "__FreeBSD__", "PERL5",
82                         "EXPORT_VAR_AS_FUNCTION", "ZLIB",
83                         "OPENSSL_FIPS", "OPENSSL_FIPSCAPABLE" );
84 my @known_ossl_platforms = ( "VMS", "WIN16", "WIN32", "WINNT", "OS2" );
85 my @known_algorithms = ( "RC2", "RC4", "RC5", "IDEA", "DES", "BF",
86                          "CAST", "MD2", "MD4", "MD5", "SHA", "SHA0", "SHA1",
87                          "SHA256", "SHA512", "RIPEMD",
88                          "MDC2", "WHIRLPOOL", "RSA", "DSA", "DH", "EC", "ECDH", "ECDSA", "EC2M",
89                          "HMAC", "AES", "CAMELLIA", "SEED", "GOST",
90                          # EC_NISTP_64_GCC_128
91                          "EC_NISTP_64_GCC_128",
92                          # Envelope "algorithms"
93                          "EVP", "X509", "ASN1_TYPEDEFS",
94                          # Helper "algorithms"
95                          "BIO", "COMP", "BUFFER", "LHASH", "STACK", "ERR",
96                          "LOCKING",
97                          # External "algorithms"
98                          "FP_API", "STDIO", "SOCK", "KRB5", "DGRAM",
99                          # Engines
100                          "STATIC_ENGINE", "ENGINE", "HW", "GMP",
101                          # RFC3779
102                          "RFC3779",
103                          # TLS
104                          "TLSEXT", "PSK", "SRP", "HEARTBEATS",
105                          # CMS
106                          "CMS",
107                          # CryptoAPI Engine
108                          "CAPIENG",
109                          # SSL v3 method
110                          "SSL3_METHOD",
111                          # JPAKE
112                          "JPAKE",
113                          # NEXTPROTONEG
114                          "NEXTPROTONEG",
115                          # Deprecated functions
116                          "DEPRECATED",
117                          # Hide SSL internals
118                          "SSL_INTERN",
119                          # SCTP
120                          "SCTP",
121                          # SRTP
122                          "SRTP",
123                          # SSL TRACE
124                          "SSL_TRACE",
125                          # Unit testing
126                          "UNIT_TEST");
127
128 my $options="";
129 open(IN,"<Makefile") || die "unable to open Makefile!\n";
130 while(<IN>) {
131     $options=$1 if (/^OPTIONS=(.*)$/);
132 }
133 close(IN);
134
135 # The following ciphers may be excluded (by Configure). This means functions
136 # defined with ifndef(NO_XXX) are not included in the .def file, and everything
137 # in directory xxx is ignored.
138 my $no_rc2; my $no_rc4; my $no_rc5; my $no_idea; my $no_des; my $no_bf;
139 my $no_cast; my $no_whirlpool; my $no_camellia; my $no_seed;
140 my $no_md2; my $no_md4; my $no_md5; my $no_sha; my $no_ripemd; my $no_mdc2;
141 my $no_rsa; my $no_dsa; my $no_dh; my $no_hmac=0; my $no_aes; my $no_krb5;
142 my $no_ec; my $no_ecdsa; my $no_ecdh; my $no_engine; my $no_hw;
143 my $no_fp_api; my $no_static_engine=1; my $no_gmp; my $no_deprecated;
144 my $no_rfc3779; my $no_psk; my $no_tlsext; my $no_cms; my $no_capieng;
145 my $no_jpake; my $no_srp; my $no_ec2m; my $no_nistp_gcc; 
146 my $no_nextprotoneg; my $no_sctp; my $no_srtp; my $no_ssl_trace;
147 my $no_unit_test; my $no_ssl3_method;
148
149 my $fips;
150
151 my $zlib;
152
153
154 foreach (@ARGV, split(/ /, $options))
155         {
156         $debug=1 if $_ eq "debug";
157         $W32=1 if $_ eq "32";
158         $W16=1 if $_ eq "16";
159         if($_ eq "NT") {
160                 $W32 = 1;
161                 $NT = 1;
162         }
163         if ($_ eq "VMS-VAX") {
164                 $VMS=1;
165                 $VMSVAX=1;
166         }
167         if ($_ eq "VMS-NonVAX") {
168                 $VMS=1;
169                 $VMSNonVAX=1;
170         }
171         $VMS=1 if $_ eq "VMS";
172         $OS2=1 if $_ eq "OS2";
173         $fips=1 if /^fips/;
174         if ($_ eq "zlib" || $_ eq "enable-zlib" || $_ eq "zlib-dynamic"
175                          || $_ eq "enable-zlib-dynamic") {
176                 $zlib = 1;
177         }
178
179         $do_ssl=1 if $_ eq "ssleay";
180         if ($_ eq "ssl") {
181                 $do_ssl=1; 
182                 $libname=$_
183         }
184         $do_crypto=1 if $_ eq "libeay";
185         if ($_ eq "crypto") {
186                 $do_crypto=1;
187                 $libname=$_;
188         }
189         $no_static_engine=1 if $_ eq "no-static-engine";
190         $no_static_engine=0 if $_ eq "enable-static-engine";
191         $do_update=1 if $_ eq "update";
192         $do_rewrite=1 if $_ eq "rewrite";
193         $do_ctest=1 if $_ eq "ctest";
194         $do_ctestall=1 if $_ eq "ctestall";
195         $do_checkexist=1 if $_ eq "exist";
196         #$safe_stack_def=1 if $_ eq "-DDEBUG_SAFESTACK";
197
198         if    (/^no-rc2$/)      { $no_rc2=1; }
199         elsif (/^no-rc4$/)      { $no_rc4=1; }
200         elsif (/^no-rc5$/)      { $no_rc5=1; }
201         elsif (/^no-idea$/)     { $no_idea=1; }
202         elsif (/^no-des$/)      { $no_des=1; $no_mdc2=1; }
203         elsif (/^no-bf$/)       { $no_bf=1; }
204         elsif (/^no-cast$/)     { $no_cast=1; }
205         elsif (/^no-whirlpool$/)     { $no_whirlpool=1; }
206         elsif (/^no-md2$/)      { $no_md2=1; }
207         elsif (/^no-md4$/)      { $no_md4=1; }
208         elsif (/^no-md5$/)      { $no_md5=1; }
209         elsif (/^no-sha$/)      { $no_sha=1; }
210         elsif (/^no-ripemd$/)   { $no_ripemd=1; }
211         elsif (/^no-mdc2$/)     { $no_mdc2=1; }
212         elsif (/^no-rsa$/)      { $no_rsa=1; }
213         elsif (/^no-dsa$/)      { $no_dsa=1; }
214         elsif (/^no-dh$/)       { $no_dh=1; }
215         elsif (/^no-ec$/)       { $no_ec=1; }
216         elsif (/^no-ecdsa$/)    { $no_ecdsa=1; }
217         elsif (/^no-ecdh$/)     { $no_ecdh=1; }
218         elsif (/^no-hmac$/)     { $no_hmac=1; }
219         elsif (/^no-aes$/)      { $no_aes=1; }
220         elsif (/^no-camellia$/) { $no_camellia=1; }
221         elsif (/^no-seed$/)     { $no_seed=1; }
222         elsif (/^no-evp$/)      { $no_evp=1; }
223         elsif (/^no-lhash$/)    { $no_lhash=1; }
224         elsif (/^no-stack$/)    { $no_stack=1; }
225         elsif (/^no-err$/)      { $no_err=1; }
226         elsif (/^no-buffer$/)   { $no_buffer=1; }
227         elsif (/^no-bio$/)      { $no_bio=1; }
228         #elsif (/^no-locking$/) { $no_locking=1; }
229         elsif (/^no-comp$/)     { $no_comp=1; }
230         elsif (/^no-dso$/)      { $no_dso=1; }
231         elsif (/^no-krb5$/)     { $no_krb5=1; }
232         elsif (/^no-engine$/)   { $no_engine=1; }
233         elsif (/^no-hw$/)       { $no_hw=1; }
234         elsif (/^no-gmp$/)      { $no_gmp=1; }
235         elsif (/^no-rfc3779$/)  { $no_rfc3779=1; }
236         elsif (/^no-tlsext$/)   { $no_tlsext=1; }
237         elsif (/^no-cms$/)      { $no_cms=1; }
238         elsif (/^no-ec2m$/)     { $no_ec2m=1; }
239         elsif (/^no-ec-nistp224-64-gcc-128$/)   { $no_nistp_gcc=1; }
240         elsif (/^no-nextprotoneg$/)     { $no_nextprotoneg=1; }
241         elsif (/^no-ssl3-method$/) { $no_ssl3_method=1; }
242         elsif (/^no-ssl-trace$/) { $no_ssl_trace=1; }
243         elsif (/^no-capieng$/)  { $no_capieng=1; }
244         elsif (/^no-jpake$/)    { $no_jpake=1; }
245         elsif (/^no-srp$/)      { $no_srp=1; }
246         elsif (/^no-sctp$/)     { $no_sctp=1; }
247         elsif (/^no-srtp$/)     { $no_srtp=1; }
248         elsif (/^no-unit-test$/){ $no_unit_test=1; }
249         elsif (/^no-deprecated$/) { $no_deprecated=1; }
250         }
251
252
253 if (!$libname) { 
254         if ($do_ssl) {
255                 $libname="SSLEAY";
256         }
257         if ($do_crypto) {
258                 $libname="LIBEAY";
259         }
260 }
261
262 # If no platform is given, assume WIN32
263 if ($W32 + $W16 + $VMS + $OS2 == 0) {
264         $W32 = 1;
265 }
266
267 # Add extra knowledge
268 if ($W16) {
269         $no_fp_api=1;
270 }
271
272 if (!$do_ssl && !$do_crypto)
273         {
274         print STDERR "usage: $0 ( ssl | crypto ) [ 16 | 32 | NT | OS2 ]\n";
275         exit(1);
276         }
277
278 %ssl_list=&load_numbers($ssl_num);
279 $max_ssl = $max_num;
280 %crypto_list=&load_numbers($crypto_num);
281 $max_crypto = $max_num;
282
283 my $ssl="ssl/ssl.h";
284 $ssl.=" ssl/kssl.h";
285 $ssl.=" ssl/tls1.h";
286 $ssl.=" ssl/srtp.h";
287
288 my $crypto ="crypto/crypto.h";
289 $crypto.=" crypto/cryptlib.h";
290 $crypto.=" crypto/o_dir.h";
291 $crypto.=" crypto/o_str.h";
292 $crypto.=" crypto/des/des.h crypto/des/des_old.h" ; # unless $no_des;
293 $crypto.=" crypto/idea/idea.h" ; # unless $no_idea;
294 $crypto.=" crypto/rc4/rc4.h" ; # unless $no_rc4;
295 $crypto.=" crypto/rc5/rc5.h" ; # unless $no_rc5;
296 $crypto.=" crypto/rc2/rc2.h" ; # unless $no_rc2;
297 $crypto.=" crypto/bf/blowfish.h" ; # unless $no_bf;
298 $crypto.=" crypto/cast/cast.h" ; # unless $no_cast;
299 $crypto.=" crypto/whrlpool/whrlpool.h" ;
300 $crypto.=" crypto/md2/md2.h" ; # unless $no_md2;
301 $crypto.=" crypto/md4/md4.h" ; # unless $no_md4;
302 $crypto.=" crypto/md5/md5.h" ; # unless $no_md5;
303 $crypto.=" crypto/mdc2/mdc2.h" ; # unless $no_mdc2;
304 $crypto.=" crypto/sha/sha.h" ; # unless $no_sha;
305 $crypto.=" crypto/ripemd/ripemd.h" ; # unless $no_ripemd;
306 $crypto.=" crypto/aes/aes.h" ; # unless $no_aes;
307 $crypto.=" crypto/camellia/camellia.h" ; # unless $no_camellia;
308 $crypto.=" crypto/seed/seed.h"; # unless $no_seed;
309
310 $crypto.=" crypto/bn/bn.h";
311 $crypto.=" crypto/rsa/rsa.h" ; # unless $no_rsa;
312 $crypto.=" crypto/dsa/dsa.h" ; # unless $no_dsa;
313 $crypto.=" crypto/dh/dh.h" ; # unless $no_dh;
314 $crypto.=" crypto/ec/ec.h" ; # unless $no_ec;
315 $crypto.=" crypto/ecdsa/ecdsa.h" ; # unless $no_ecdsa;
316 $crypto.=" crypto/ecdh/ecdh.h" ; # unless $no_ecdh;
317 $crypto.=" crypto/hmac/hmac.h" ; # unless $no_hmac;
318 $crypto.=" crypto/cmac/cmac.h" ;
319
320 $crypto.=" crypto/engine/engine.h"; # unless $no_engine;
321 $crypto.=" crypto/stack/stack.h" ; # unless $no_stack;
322 $crypto.=" crypto/buffer/buffer.h" ; # unless $no_buffer;
323 $crypto.=" crypto/bio/bio.h" ; # unless $no_bio;
324 $crypto.=" crypto/dso/dso.h" ; # unless $no_dso;
325 $crypto.=" crypto/lhash/lhash.h" ; # unless $no_lhash;
326 $crypto.=" crypto/conf/conf.h";
327 $crypto.=" crypto/txt_db/txt_db.h";
328
329 $crypto.=" crypto/evp/evp.h" ; # unless $no_evp;
330 $crypto.=" crypto/objects/objects.h";
331 $crypto.=" crypto/pem/pem.h";
332 #$crypto.=" crypto/meth/meth.h";
333 $crypto.=" crypto/asn1/asn1.h";
334 $crypto.=" crypto/asn1/asn1t.h";
335 $crypto.=" crypto/asn1/asn1_mac.h";
336 $crypto.=" crypto/err/err.h" ; # unless $no_err;
337 $crypto.=" crypto/pkcs7/pkcs7.h";
338 $crypto.=" crypto/pkcs12/pkcs12.h";
339 $crypto.=" crypto/x509/x509.h";
340 $crypto.=" crypto/x509/x509_vfy.h";
341 $crypto.=" crypto/x509v3/x509v3.h";
342 $crypto.=" crypto/ts/ts.h";
343 $crypto.=" crypto/rand/rand.h";
344 $crypto.=" crypto/comp/comp.h" ; # unless $no_comp;
345 $crypto.=" crypto/ocsp/ocsp.h";
346 $crypto.=" crypto/ui/ui.h crypto/ui/ui_compat.h";
347 $crypto.=" crypto/krb5/krb5_asn.h";
348 #$crypto.=" crypto/store/store.h";
349 $crypto.=" crypto/pqueue/pqueue.h";
350 $crypto.=" crypto/cms/cms.h";
351 $crypto.=" crypto/jpake/jpake.h";
352 $crypto.=" crypto/srp/srp.h";
353 $crypto.=" crypto/modes/modes.h";
354
355 my $symhacks="crypto/symhacks.h";
356
357 my @ssl_symbols = &do_defs("SSLEAY", $ssl, $symhacks);
358 my @crypto_symbols = &do_defs("LIBEAY", $crypto, $symhacks);
359
360 if ($do_update) {
361
362 if ($do_ssl == 1) {
363
364         &maybe_add_info("SSLEAY",*ssl_list,@ssl_symbols);
365         if ($do_rewrite == 1) {
366                 open(OUT, ">$ssl_num");
367                 &rewrite_numbers(*OUT,"SSLEAY",*ssl_list,@ssl_symbols);
368         } else {
369                 open(OUT, ">>$ssl_num");
370         }
371         &update_numbers(*OUT,"SSLEAY",*ssl_list,$max_ssl,@ssl_symbols);
372         close OUT;
373 }
374
375 if($do_crypto == 1) {
376
377         &maybe_add_info("LIBEAY",*crypto_list,@crypto_symbols);
378         if ($do_rewrite == 1) {
379                 open(OUT, ">$crypto_num");
380                 &rewrite_numbers(*OUT,"LIBEAY",*crypto_list,@crypto_symbols);
381         } else {
382                 open(OUT, ">>$crypto_num");
383         }
384         &update_numbers(*OUT,"LIBEAY",*crypto_list,$max_crypto,@crypto_symbols);
385         close OUT;
386
387
388 } elsif ($do_checkexist) {
389         &check_existing(*ssl_list, @ssl_symbols)
390                 if $do_ssl == 1;
391         &check_existing(*crypto_list, @crypto_symbols)
392                 if $do_crypto == 1;
393 } elsif ($do_ctest || $do_ctestall) {
394
395         print <<"EOF";
396
397 /* Test file to check all DEF file symbols are present by trying
398  * to link to all of them. This is *not* intended to be run!
399  */
400
401 int main()
402 {
403 EOF
404         &print_test_file(*STDOUT,"SSLEAY",*ssl_list,$do_ctestall,@ssl_symbols)
405                 if $do_ssl == 1;
406
407         &print_test_file(*STDOUT,"LIBEAY",*crypto_list,$do_ctestall,@crypto_symbols)
408                 if $do_crypto == 1;
409
410         print "}\n";
411
412 } else {
413
414         &print_def_file(*STDOUT,$libname,*ssl_list,@ssl_symbols)
415                 if $do_ssl == 1;
416
417         &print_def_file(*STDOUT,$libname,*crypto_list,@crypto_symbols)
418                 if $do_crypto == 1;
419
420 }
421
422
423 sub do_defs
424 {
425         my($name,$files,$symhacksfile)=@_;
426         my $file;
427         my @ret;
428         my %syms;
429         my %platform;           # For anything undefined, we assume ""
430         my %kind;               # For anything undefined, we assume "FUNCTION"
431         my %algorithm;          # For anything undefined, we assume ""
432         my %variant;
433         my %variant_cnt;        # To be able to allocate "name{n}" if "name"
434                                 # is the same name as the original.
435         my $cpp;
436         my %unknown_algorithms = ();
437         my $parens = 0;
438
439         foreach $file (split(/\s+/,$symhacksfile." ".$files))
440                 {
441                 print STDERR "DEBUG: starting on $file:\n" if $debug;
442                 open(IN,"<$file") || die "unable to open $file:$!\n";
443                 my $line = "", my $def= "";
444                 my %tag = (
445                         (map { $_ => 0 } @known_platforms),
446                         (map { "OPENSSL_SYS_".$_ => 0 } @known_ossl_platforms),
447                         (map { "OPENSSL_NO_".$_ => 0 } @known_algorithms),
448                         (map { "OPENSSL_USE_".$_ => 0 } @known_algorithms),
449                         NOPROTO         => 0,
450                         PERL5           => 0,
451                         _WINDLL         => 0,
452                         CONST_STRICT    => 0,
453                         TRUE            => 1,
454                 );
455                 my $symhacking = $file eq $symhacksfile;
456                 my @current_platforms = ();
457                 my @current_algorithms = ();
458
459                 # params: symbol, alias, platforms, kind
460                 # The reason to put this subroutine in a variable is that
461                 # it will otherwise create it's own, unshared, version of
462                 # %tag and %variant...
463                 my $make_variant = sub
464                 {
465                         my ($s, $a, $p, $k) = @_;
466                         my ($a1, $a2);
467
468                         print STDERR "DEBUG: make_variant: Entered with ",$s,", ",$a,", ",(defined($p)?$p:""),", ",(defined($k)?$k:""),"\n" if $debug;
469                         if (defined($p))
470                         {
471                                 $a1 = join(",",$p,
472                                            grep(!/^$/,
473                                                 map { $tag{$_} == 1 ? $_ : "" }
474                                                 @known_platforms));
475                         }
476                         else
477                         {
478                                 $a1 = join(",",
479                                            grep(!/^$/,
480                                                 map { $tag{$_} == 1 ? $_ : "" }
481                                                 @known_platforms));
482                         }
483                         $a2 = join(",",
484                                    grep(!/^$/,
485                                         map { $tag{"OPENSSL_SYS_".$_} == 1 ? $_ : "" }
486                                         @known_ossl_platforms));
487                         print STDERR "DEBUG: make_variant: a1 = $a1; a2 = $a2\n" if $debug;
488                         if ($a1 eq "") { $a1 = $a2; }
489                         elsif ($a1 ne "" && $a2 ne "") { $a1 .= ",".$a2; }
490                         if ($a eq $s)
491                         {
492                                 if (!defined($variant_cnt{$s}))
493                                 {
494                                         $variant_cnt{$s} = 0;
495                                 }
496                                 $variant_cnt{$s}++;
497                                 $a .= "{$variant_cnt{$s}}";
498                         }
499                         my $toadd = $a.":".$a1.(defined($k)?":".$k:"");
500                         my $togrep = $s.'(\{[0-9]+\})?:'.$a1.(defined($k)?":".$k:"");
501                         if (!grep(/^$togrep$/,
502                                   split(/;/, defined($variant{$s})?$variant{$s}:""))) {
503                                 if (defined($variant{$s})) { $variant{$s} .= ";"; }
504                                 $variant{$s} .= $toadd;
505                         }
506                         print STDERR "DEBUG: make_variant: Exit with variant of ",$s," = ",$variant{$s},"\n" if $debug;
507                 };
508
509                 print STDERR "DEBUG: parsing ----------\n" if $debug;
510                 while(<IN>) {
511                         if($parens > 0) {
512                                 #Inside a DECLARE_DEPRECATED
513                                 $parens += count_parens($_);
514                                 next;
515                         }
516                         if (/\/\* Error codes for the \w+ functions\. \*\//)
517                                 {
518                                 undef @tag;
519                                 last;
520                                 }
521                         if ($line ne '') {
522                                 $_ = $line . $_;
523                                 $line = '';
524                         }
525
526                         if (/\\$/) {
527                                 chomp; # remove eol
528                                 chop; # remove ending backslash
529                                 $line = $_;
530                                 next;
531                         }
532
533                         if(/\/\*/) {
534                                 if (not /\*\//) {       # multiline comment...
535                                         $line = $_;     # ... just accumulate
536                                         next;
537                                 } else {
538                                         s/\/\*.*?\*\///gs;# wipe it
539                                 }
540                         }
541
542                         if ($cpp) {
543                                 $cpp++ if /^#\s*if/;
544                                 $cpp-- if /^#\s*endif/;
545                                 next;
546                         }
547                         $cpp = 1 if /^#.*ifdef.*cplusplus/;
548
549                         s/{[^{}]*}//gs;                      # ignore {} blocks
550                         print STDERR "DEBUG: \$def=\"$def\"\n" if $debug && $def ne "";
551                         print STDERR "DEBUG: \$_=\"$_\"\n" if $debug;
552                         if (/^\#\s*ifndef\s+(.*)/) {
553                                 push(@tag,"-");
554                                 push(@tag,$1);
555                                 $tag{$1}=-1;
556                                 print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
557                         } elsif (/^\#\s*if\s+!defined\(([^\)]+)\)/) {
558                                 push(@tag,"-");
559                                 if (/^\#\s*if\s+(!defined\(([^\)]+)\)(\s+\&\&\s+!defined\(([^\)]+)\))*)$/) {
560                                         my $tmp_1 = $1;
561                                         my $tmp_;
562                                         foreach $tmp_ (split '\&\&',$tmp_1) {
563                                                 $tmp_ =~ /!defined\(([^\)]+)\)/;
564                                                 print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
565                                                 push(@tag,$1);
566                                                 $tag{$1}=-1;
567                                         }
568                                 } else {
569                                         print STDERR "Warning: $file: complicated expression: $_" if $debug; # because it is O...
570                                         print STDERR "DEBUG: $file: found tag $1 = -1\n" if $debug;
571                                         push(@tag,$1);
572                                         $tag{$1}=-1;
573                                 }
574                         } elsif (/^\#\s*ifdef\s+(\S*)/) {
575                                 push(@tag,"-");
576                                 push(@tag,$1);
577                                 $tag{$1}=1;
578                                 print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
579                         } elsif (/^\#\s*if\s+defined\(([^\)]+)\)/) {
580                                 push(@tag,"-");
581                                 if (/^\#\s*if\s+(defined\(([^\)]+)\)(\s+\|\|\s+defined\(([^\)]+)\))*)$/) {
582                                         my $tmp_1 = $1;
583                                         my $tmp_;
584                                         foreach $tmp_ (split '\|\|',$tmp_1) {
585                                                 $tmp_ =~ /defined\(([^\)]+)\)/;
586                                                 print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
587                                                 push(@tag,$1);
588                                                 $tag{$1}=1;
589                                         }
590                                 } else {
591                                         print STDERR "Warning: $file: complicated expression: $_\n" if $debug; # because it is O...
592                                         print STDERR "DEBUG: $file: found tag $1 = 1\n" if $debug;
593                                         push(@tag,$1);
594                                         $tag{$1}=1;
595                                 }
596                         } elsif (/^\#\s*error\s+(\w+) is disabled\./) {
597                                 my $tag_i = $#tag;
598                                 while($tag[$tag_i] ne "-") {
599                                         if ($tag[$tag_i] eq "OPENSSL_NO_".$1) {
600                                                 $tag{$tag[$tag_i]}=2;
601                                                 print STDERR "DEBUG: $file: chaged tag $1 = 2\n" if $debug;
602                                         }
603                                         $tag_i--;
604                                 }
605                         } elsif (/^\#\s*endif/) {
606                                 my $tag_i = $#tag;
607                                 while($tag_i > 0 && $tag[$tag_i] ne "-") {
608                                         my $t=$tag[$tag_i];
609                                         print STDERR "DEBUG: \$t=\"$t\"\n" if $debug;
610                                         if ($tag{$t}==2) {
611                                                 $tag{$t}=-1;
612                                         } else {
613                                                 $tag{$t}=0;
614                                         }
615                                         print STDERR "DEBUG: $file: changed tag ",$t," = ",$tag{$t},"\n" if $debug;
616                                         pop(@tag);
617                                         if ($t =~ /^OPENSSL_NO_([A-Z0-9_]+)$/) {
618                                                 $t=$1;
619                                         } elsif($t =~ /^OPENSSL_USE_([A-Z0-9_]+)$/) {
620                                                 $t=$1;
621                                         } else {
622                                                 $t="";
623                                         }
624                                         if ($t ne ""
625                                             && !grep(/^$t$/, @known_algorithms)) {
626                                                 $unknown_algorithms{$t} = 1;
627                                                 #print STDERR "DEBUG: Added as unknown algorithm: $t\n" if $debug;
628                                         }
629                                         $tag_i--;
630                                 }
631                                 pop(@tag);
632                         } elsif (/^\#\s*else/) {
633                                 my $tag_i = $#tag;
634                                 while($tag[$tag_i] ne "-") {
635                                         my $t=$tag[$tag_i];
636                                         $tag{$t}= -$tag{$t};
637                                         print STDERR "DEBUG: $file: changed tag ",$t," = ",$tag{$t},"\n" if $debug;
638                                         $tag_i--;
639                                 }
640                         } elsif (/^\#\s*if\s+1/) {
641                                 push(@tag,"-");
642                                 # Dummy tag
643                                 push(@tag,"TRUE");
644                                 $tag{"TRUE"}=1;
645                                 print STDERR "DEBUG: $file: found 1\n" if $debug;
646                         } elsif (/^\#\s*if\s+0/) {
647                                 push(@tag,"-");
648                                 # Dummy tag
649                                 push(@tag,"TRUE");
650                                 $tag{"TRUE"}=-1;
651                                 print STDERR "DEBUG: $file: found 0\n" if $debug;
652                         } elsif (/^\#\s*define\s+(\w+)\s+(\w+)/
653                                  && $symhacking && $tag{'TRUE'} != -1) {
654                                 # This is for aliasing.  When we find an alias,
655                                 # we have to invert
656                                 &$make_variant($1,$2);
657                                 print STDERR "DEBUG: $file: defined $1 = $2\n" if $debug;
658                         }
659                         if (/^\#/) {
660                                 @current_platforms =
661                                     grep(!/^$/,
662                                          map { $tag{$_} == 1 ? $_ :
663                                                    $tag{$_} == -1 ? "!".$_  : "" }
664                                          @known_platforms);
665                                 push @current_platforms
666                                     , grep(!/^$/,
667                                            map { $tag{"OPENSSL_SYS_".$_} == 1 ? $_ :
668                                                      $tag{"OPENSSL_SYS_".$_} == -1 ? "!".$_  : "" }
669                                            @known_ossl_platforms);
670                                 @current_algorithms = ();
671                                 @current_algorithms =
672                                     grep(!/^$/,
673                                          map { $tag{"OPENSSL_NO_".$_} == -1 ? $_ : "" }
674                                          @known_algorithms);
675                                 push @current_algorithms
676                                     , grep(!/^$/,
677                                          map { $tag{"OPENSSL_USE_".$_} == 1 ? $_ : "" }
678                                          @known_algorithms);
679                                 $def .=
680                                     "#INFO:"
681                                         .join(',',@current_platforms).":"
682                                             .join(',',@current_algorithms).";";
683                                 next;
684                         }
685                         if ($tag{'TRUE'} != -1) {
686                                 if (/^\s*DECLARE_STACK_OF\s*\(\s*(\w*)\s*\)/) {
687                                         next;
688                                 } elsif (/^\s*DECLARE_ASN1_ENCODE_FUNCTIONS\s*\(\s*(\w*)\s*,\s*(\w*)\s*,\s*(\w*)\s*\)/) {
689                                         $def .= "int d2i_$3(void);";
690                                         $def .= "int i2d_$3(void);";
691                                         # Variant for platforms that do not
692                                         # have to access globale variables
693                                         # in shared libraries through functions
694                                         $def .=
695                                             "#INFO:"
696                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
697                                                     .join(',',@current_algorithms).";";
698                                         $def .= "OPENSSL_EXTERN int $2_it;";
699                                         $def .=
700                                             "#INFO:"
701                                                 .join(',',@current_platforms).":"
702                                                     .join(',',@current_algorithms).";";
703                                         # Variant for platforms that have to
704                                         # access globale variables in shared
705                                         # libraries through functions
706                                         &$make_variant("$2_it","$2_it",
707                                                       "EXPORT_VAR_AS_FUNCTION",
708                                                       "FUNCTION");
709                                         next;
710                                 } elsif (/^\s*DECLARE_ASN1_FUNCTIONS_fname\s*\(\s*(\w*)\s*,\s*(\w*)\s*,\s*(\w*)\s*\)/) {
711                                         $def .= "int d2i_$3(void);";
712                                         $def .= "int i2d_$3(void);";
713                                         $def .= "int $3_free(void);";
714                                         $def .= "int $3_new(void);";
715                                         # Variant for platforms that do not
716                                         # have to access globale variables
717                                         # in shared libraries through functions
718                                         $def .=
719                                             "#INFO:"
720                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
721                                                     .join(',',@current_algorithms).";";
722                                         $def .= "OPENSSL_EXTERN int $2_it;";
723                                         $def .=
724                                             "#INFO:"
725                                                 .join(',',@current_platforms).":"
726                                                     .join(',',@current_algorithms).";";
727                                         # Variant for platforms that have to
728                                         # access globale variables in shared
729                                         # libraries through functions
730                                         &$make_variant("$2_it","$2_it",
731                                                       "EXPORT_VAR_AS_FUNCTION",
732                                                       "FUNCTION");
733                                         next;
734                                 } elsif (/^\s*DECLARE_ASN1_FUNCTIONS\s*\(\s*(\w*)\s*\)/ ||
735                                          /^\s*DECLARE_ASN1_FUNCTIONS_const\s*\(\s*(\w*)\s*\)/) {
736                                         $def .= "int d2i_$1(void);";
737                                         $def .= "int i2d_$1(void);";
738                                         $def .= "int $1_free(void);";
739                                         $def .= "int $1_new(void);";
740                                         # Variant for platforms that do not
741                                         # have to access globale variables
742                                         # in shared libraries through functions
743                                         $def .=
744                                             "#INFO:"
745                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
746                                                     .join(',',@current_algorithms).";";
747                                         $def .= "OPENSSL_EXTERN int $1_it;";
748                                         $def .=
749                                             "#INFO:"
750                                                 .join(',',@current_platforms).":"
751                                                     .join(',',@current_algorithms).";";
752                                         # Variant for platforms that have to
753                                         # access globale variables in shared
754                                         # libraries through functions
755                                         &$make_variant("$1_it","$1_it",
756                                                       "EXPORT_VAR_AS_FUNCTION",
757                                                       "FUNCTION");
758                                         next;
759                                 } elsif (/^\s*DECLARE_ASN1_ENCODE_FUNCTIONS_const\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
760                                         $def .= "int d2i_$2(void);";
761                                         $def .= "int i2d_$2(void);";
762                                         # Variant for platforms that do not
763                                         # have to access globale variables
764                                         # in shared libraries through functions
765                                         $def .=
766                                             "#INFO:"
767                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
768                                                     .join(',',@current_algorithms).";";
769                                         $def .= "OPENSSL_EXTERN int $2_it;";
770                                         $def .=
771                                             "#INFO:"
772                                                 .join(',',@current_platforms).":"
773                                                     .join(',',@current_algorithms).";";
774                                         # Variant for platforms that have to
775                                         # access globale variables in shared
776                                         # libraries through functions
777                                         &$make_variant("$2_it","$2_it",
778                                                       "EXPORT_VAR_AS_FUNCTION",
779                                                       "FUNCTION");
780                                         next;
781                                 } elsif (/^\s*DECLARE_ASN1_ALLOC_FUNCTIONS\s*\(\s*(\w*)\s*\)/) {
782                                         $def .= "int $1_free(void);";
783                                         $def .= "int $1_new(void);";
784                                         next;
785                                 } elsif (/^\s*DECLARE_ASN1_FUNCTIONS_name\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
786                                         $def .= "int d2i_$2(void);";
787                                         $def .= "int i2d_$2(void);";
788                                         $def .= "int $2_free(void);";
789                                         $def .= "int $2_new(void);";
790                                         # Variant for platforms that do not
791                                         # have to access globale variables
792                                         # in shared libraries through functions
793                                         $def .=
794                                             "#INFO:"
795                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
796                                                     .join(',',@current_algorithms).";";
797                                         $def .= "OPENSSL_EXTERN int $2_it;";
798                                         $def .=
799                                             "#INFO:"
800                                                 .join(',',@current_platforms).":"
801                                                     .join(',',@current_algorithms).";";
802                                         # Variant for platforms that have to
803                                         # access globale variables in shared
804                                         # libraries through functions
805                                         &$make_variant("$2_it","$2_it",
806                                                       "EXPORT_VAR_AS_FUNCTION",
807                                                       "FUNCTION");
808                                         next;
809                                 } elsif (/^\s*DECLARE_ASN1_ITEM\s*\(\s*(\w*)\s*\)/) {
810                                         # Variant for platforms that do not
811                                         # have to access globale variables
812                                         # in shared libraries through functions
813                                         $def .=
814                                             "#INFO:"
815                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
816                                                     .join(',',@current_algorithms).";";
817                                         $def .= "OPENSSL_EXTERN int $1_it;";
818                                         $def .=
819                                             "#INFO:"
820                                                 .join(',',@current_platforms).":"
821                                                     .join(',',@current_algorithms).";";
822                                         # Variant for platforms that have to
823                                         # access globale variables in shared
824                                         # libraries through functions
825                                         &$make_variant("$1_it","$1_it",
826                                                       "EXPORT_VAR_AS_FUNCTION",
827                                                       "FUNCTION");
828                                         next;
829                                 } elsif (/^\s*DECLARE_ASN1_NDEF_FUNCTION\s*\(\s*(\w*)\s*\)/) {
830                                         $def .= "int i2d_$1_NDEF(void);";
831                                 } elsif (/^\s*DECLARE_ASN1_SET_OF\s*\(\s*(\w*)\s*\)/) {
832                                         next;
833                                 } elsif (/^\s*DECLARE_ASN1_PRINT_FUNCTION\s*\(\s*(\w*)\s*\)/) {
834                                         $def .= "int $1_print_ctx(void);";
835                                         next;
836                                 } elsif (/^\s*DECLARE_ASN1_PRINT_FUNCTION_name\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
837                                         $def .= "int $2_print_ctx(void);";
838                                         next;
839                                 } elsif (/^\s*DECLARE_PKCS12_STACK_OF\s*\(\s*(\w*)\s*\)/) {
840                                         next;
841                                 } elsif (/^DECLARE_PEM_rw\s*\(\s*(\w*)\s*,/ ||
842                                          /^DECLARE_PEM_rw_cb\s*\(\s*(\w*)\s*,/ ||
843                                          /^DECLARE_PEM_rw_const\s*\(\s*(\w*)\s*,/ ) {
844                                         # Things not in Win16
845                                         $def .=
846                                             "#INFO:"
847                                                 .join(',',"!WIN16",@current_platforms).":"
848                                                     .join(',',@current_algorithms).";";
849                                         $def .= "int PEM_read_$1(void);";
850                                         $def .= "int PEM_write_$1(void);";
851                                         $def .=
852                                             "#INFO:"
853                                                 .join(',',@current_platforms).":"
854                                                     .join(',',@current_algorithms).";";
855                                         # Things that are everywhere
856                                         $def .= "int PEM_read_bio_$1(void);";
857                                         $def .= "int PEM_write_bio_$1(void);";
858                                         next;
859                                 } elsif (/^DECLARE_PEM_write\s*\(\s*(\w*)\s*,/ ||
860                                         /^DECLARE_PEM_write_const\s*\(\s*(\w*)\s*,/ ||
861                                          /^DECLARE_PEM_write_cb\s*\(\s*(\w*)\s*,/ ) {
862                                         # Things not in Win16
863                                         $def .=
864                                             "#INFO:"
865                                                 .join(',',"!WIN16",@current_platforms).":"
866                                                     .join(',',@current_algorithms).";";
867                                         $def .= "int PEM_write_$1(void);";
868                                         $def .=
869                                             "#INFO:"
870                                                 .join(',',@current_platforms).":"
871                                                     .join(',',@current_algorithms).";";
872                                         # Things that are everywhere
873                                         $def .= "int PEM_write_bio_$1(void);";
874                                         next;
875                                 } elsif (/^DECLARE_PEM_read\s*\(\s*(\w*)\s*,/ ||
876                                          /^DECLARE_PEM_read_cb\s*\(\s*(\w*)\s*,/ ) {
877                                         # Things not in Win16
878                                         $def .=
879                                             "#INFO:"
880                                                 .join(',',"!WIN16",@current_platforms).":"
881                                                     .join(',',@current_algorithms).";";
882                                         $def .= "int PEM_read_$1(void);";
883                                         $def .=
884                                             "#INFO:"
885                                                 .join(',',@current_platforms).":"
886                                                     .join(',',@current_algorithms).";";
887                                         # Things that are everywhere
888                                         $def .= "int PEM_read_bio_$1(void);";
889                                         next;
890                                 } elsif (/^OPENSSL_DECLARE_GLOBAL\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
891                                         # Variant for platforms that do not
892                                         # have to access globale variables
893                                         # in shared libraries through functions
894                                         $def .=
895                                             "#INFO:"
896                                                 .join(',',"!EXPORT_VAR_AS_FUNCTION",@current_platforms).":"
897                                                     .join(',',@current_algorithms).";";
898                                         $def .= "OPENSSL_EXTERN int _shadow_$2;";
899                                         $def .=
900                                             "#INFO:"
901                                                 .join(',',@current_platforms).":"
902                                                     .join(',',@current_algorithms).";";
903                                         # Variant for platforms that have to
904                                         # access globale variables in shared
905                                         # libraries through functions
906                                         &$make_variant("_shadow_$2","_shadow_$2",
907                                                       "EXPORT_VAR_AS_FUNCTION",
908                                                       "FUNCTION");
909                                 } elsif (/^\s*DECLARE_DEPRECATED\s*\(\s*(\w*(\s|\*|\w)*)/) {
910                                         $def .= "$1(void);";
911                                         $parens = count_parens($_);
912                                         next;
913                                 } elsif ($tag{'CONST_STRICT'} != 1) {
914                                         if (/\{|\/\*|\([^\)]*$/) {
915                                                 $line = $_;
916                                         } else {
917                                                 $def .= $_;
918                                         }
919                                 }
920                         }
921                 }
922                 close(IN);
923
924                 my $algs;
925                 my $plays;
926
927                 print STDERR "DEBUG: postprocessing ----------\n" if $debug;
928                 foreach (split /;/, $def) {
929                         my $s; my $k = "FUNCTION"; my $p; my $a;
930                         s/^[\n\s]*//g;
931                         s/[\n\s]*$//g;
932                         next if(/\#undef/);
933                         next if(/typedef\W/);
934                         next if(/\#define/);
935
936                         # Reduce argument lists to empty ()
937                         # fold round brackets recursively: (t(*v)(t),t) -> (t{}{},t) -> {}
938                         while(/\(.*\)/s) {
939                                 s/\([^\(\)]+\)/\{\}/gs;
940                                 s/\(\s*\*\s*(\w+)\s*\{\}\s*\)/$1/gs;    #(*f{}) -> f
941                         }
942                         # pretend as we didn't use curly braces: {} -> ()
943                         s/\{\}/\(\)/gs;
944
945                         s/STACK_OF\(\)/void/gs;
946                         s/LHASH_OF\(\)/void/gs;
947
948                         print STDERR "DEBUG: \$_ = \"$_\"\n" if $debug;
949                         if (/^\#INFO:([^:]*):(.*)$/) {
950                                 $plats = $1;
951                                 $algs = $2;
952                                 print STDERR "DEBUG: found info on platforms ($plats) and algorithms ($algs)\n" if $debug;
953                                 next;
954                         } elsif (/^\s*OPENSSL_EXTERN\s.*?(\w+(\{[0-9]+\})?)(\[[0-9]*\])*\s*$/) {
955                                 $s = $1;
956                                 $k = "VARIABLE";
957                                 print STDERR "DEBUG: found external variable $s\n" if $debug;
958                         } elsif (/TYPEDEF_\w+_OF/s) {
959                                 next;
960                         } elsif (/(\w+)\s*\(\).*/s) {   # first token prior [first] () is
961                                 $s = $1;                # a function name!
962                                 print STDERR "DEBUG: found function $s\n" if $debug;
963                         } elsif (/\(/ and not (/=/)) {
964                                 print STDERR "File $file: cannot parse: $_;\n";
965                                 next;
966                         } else {
967                                 next;
968                         }
969
970                         $syms{$s} = 1;
971                         $kind{$s} = $k;
972
973                         $p = $plats;
974                         $a = $algs;
975                         $a .= ",BF" if($s =~ /EVP_bf/);
976                         $a .= ",CAST" if($s =~ /EVP_cast/);
977                         $a .= ",DES" if($s =~ /EVP_des/);
978                         $a .= ",DSA" if($s =~ /EVP_dss/);
979                         $a .= ",IDEA" if($s =~ /EVP_idea/);
980                         $a .= ",MD2" if($s =~ /EVP_md2/);
981                         $a .= ",MD4" if($s =~ /EVP_md4/);
982                         $a .= ",MD5" if($s =~ /EVP_md5/);
983                         $a .= ",RC2" if($s =~ /EVP_rc2/);
984                         $a .= ",RC4" if($s =~ /EVP_rc4/);
985                         $a .= ",RC5" if($s =~ /EVP_rc5/);
986                         $a .= ",RIPEMD" if($s =~ /EVP_ripemd/);
987                         $a .= ",SHA" if($s =~ /EVP_sha/);
988                         $a .= ",RSA" if($s =~ /EVP_(Open|Seal)(Final|Init)/);
989                         $a .= ",RSA" if($s =~ /PEM_Seal(Final|Init|Update)/);
990                         $a .= ",RSA" if($s =~ /RSAPrivateKey/);
991                         $a .= ",RSA" if($s =~ /SSLv23?_((client|server)_)?method/);
992
993                         $platform{$s} =
994                             &reduce_platforms((defined($platform{$s})?$platform{$s}.',':"").$p);
995                         $algorithm{$s} .= ','.$a;
996
997                         if (defined($variant{$s})) {
998                                 foreach $v (split /;/,$variant{$s}) {
999                                         (my $r, my $p, my $k) = split(/:/,$v);
1000                                         my $ip = join ',',map({ /^!(.*)$/ ? $1 : "!".$_ } split /,/, $p);
1001                                         $syms{$r} = 1;
1002                                         if (!defined($k)) { $k = $kind{$s}; }
1003                                         $kind{$r} = $k."(".$s.")";
1004                                         $algorithm{$r} = $algorithm{$s};
1005                                         $platform{$r} = &reduce_platforms($platform{$s}.",".$p.",".$p);
1006                                         $platform{$s} = &reduce_platforms($platform{$s}.','.$ip.','.$ip);
1007                                         print STDERR "DEBUG: \$variant{\"$s\"} = ",$v,"; \$r = $r; \$p = ",$platform{$r},"; \$a = ",$algorithm{$r},"; \$kind = ",$kind{$r},"\n" if $debug;
1008                                 }
1009                         }
1010                         print STDERR "DEBUG: \$s = $s; \$p = ",$platform{$s},"; \$a = ",$algorithm{$s},"; \$kind = ",$kind{$s},"\n" if $debug;
1011                 }
1012         }
1013
1014         # Prune the returned symbols
1015
1016         delete $syms{"bn_dump1"};
1017         $platform{"BIO_s_log"} .= ",!WIN32,!WIN16,!macintosh";
1018
1019         $platform{"PEM_read_NS_CERT_SEQ"} = "VMS";
1020         $platform{"PEM_write_NS_CERT_SEQ"} = "VMS";
1021         $platform{"PEM_read_P8_PRIV_KEY_INFO"} = "VMS";
1022         $platform{"PEM_write_P8_PRIV_KEY_INFO"} = "VMS";
1023         $platform{"EVP_sha384"} = "!VMSVAX";
1024         $platform{"EVP_sha512"} = "!VMSVAX";
1025         $platform{"SHA384_Init"} = "!VMSVAX";
1026         $platform{"SHA384_Transform"} = "!VMSVAX";
1027         $platform{"SHA384_Update"} = "!VMSVAX";
1028         $platform{"SHA384_Final"} = "!VMSVAX";
1029         $platform{"SHA384"} = "!VMSVAX";
1030         $platform{"SHA512_Init"} = "!VMSVAX";
1031         $platform{"SHA512_Transform"} = "!VMSVAX";
1032         $platform{"SHA512_Update"} = "!VMSVAX";
1033         $platform{"SHA512_Final"} = "!VMSVAX";
1034         $platform{"SHA512"} = "!VMSVAX";
1035
1036
1037         # Info we know about
1038
1039         push @ret, map { $_."\\".&info_string($_,"EXIST",
1040                                               $platform{$_},
1041                                               $kind{$_},
1042                                               $algorithm{$_}) } keys %syms;
1043
1044         if (keys %unknown_algorithms) {
1045                 print STDERR "WARNING: mkdef.pl doesn't know the following algorithms:\n";
1046                 print STDERR "\t",join("\n\t",keys %unknown_algorithms),"\n";
1047         }
1048         return(@ret);
1049 }
1050
1051 # Param: string of comma-separated platform-specs.
1052 sub reduce_platforms
1053 {
1054         my ($platforms) = @_;
1055         my $pl = defined($platforms) ? $platforms : "";
1056         my %p = map { $_ => 0 } split /,/, $pl;
1057         my $ret;
1058
1059         print STDERR "DEBUG: Entered reduce_platforms with \"$platforms\"\n"
1060             if $debug;
1061         # We do this, because if there's code like the following, it really
1062         # means the function exists in all cases and should therefore be
1063         # everywhere.  By increasing and decreasing, we may attain 0:
1064         #
1065         # ifndef WIN16
1066         #    int foo();
1067         # else
1068         #    int _fat foo();
1069         # endif
1070         foreach $platform (split /,/, $pl) {
1071                 if ($platform =~ /^!(.*)$/) {
1072                         $p{$1}--;
1073                 } else {
1074                         $p{$platform}++;
1075                 }
1076         }
1077         foreach $platform (keys %p) {
1078                 if ($p{$platform} == 0) { delete $p{$platform}; }
1079         }
1080
1081         delete $p{""};
1082
1083         $ret = join(',',sort(map { $p{$_} < 0 ? "!".$_ : $_ } keys %p));
1084         print STDERR "DEBUG: Exiting reduce_platforms with \"$ret\"\n"
1085             if $debug;
1086         return $ret;
1087 }
1088
1089 sub info_string {
1090         (my $symbol, my $exist, my $platforms, my $kind, my $algorithms) = @_;
1091
1092         my %a = defined($algorithms) ?
1093             map { $_ => 1 } split /,/, $algorithms : ();
1094         my $k = defined($kind) ? $kind : "FUNCTION";
1095         my $ret;
1096         my $p = &reduce_platforms($platforms);
1097
1098         delete $a{""};
1099
1100         $ret = $exist;
1101         $ret .= ":".$p;
1102         $ret .= ":".$k;
1103         $ret .= ":".join(',',sort keys %a);
1104         return $ret;
1105 }
1106
1107 sub maybe_add_info {
1108         (my $name, *nums, my @symbols) = @_;
1109         my $sym;
1110         my $new_info = 0;
1111         my %syms=();
1112
1113         print STDERR "Updating $name info\n";
1114         foreach $sym (@symbols) {
1115                 (my $s, my $i) = split /\\/, $sym;
1116                 if (defined($nums{$s})) {
1117                         $i =~ s/^(.*?:.*?:\w+)(\(\w+\))?/$1/;
1118                         (my $n, my $dummy) = split /\\/, $nums{$s};
1119                         if (!defined($dummy) || $i ne $dummy) {
1120                                 $nums{$s} = $n."\\".$i;
1121                                 $new_info++;
1122                                 print STDERR "DEBUG: maybe_add_info for $s: \"$dummy\" => \"$i\"\n" if $debug;
1123                         }
1124                 }
1125                 $syms{$s} = 1;
1126         }
1127
1128         my @s=sort { &parse_number($nums{$a},"n") <=> &parse_number($nums{$b},"n") } keys %nums;
1129         foreach $sym (@s) {
1130                 (my $n, my $i) = split /\\/, $nums{$sym};
1131                 if (!defined($syms{$sym}) && $i !~ /^NOEXIST:/) {
1132                         $new_info++;
1133                         print STDERR "DEBUG: maybe_add_info for $sym: -> undefined\n" if $debug;
1134                 }
1135         }
1136         if ($new_info) {
1137                 print STDERR "$new_info old symbols got an info update\n";
1138                 if (!$do_rewrite) {
1139                         print STDERR "You should do a rewrite to fix this.\n";
1140                 }
1141         } else {
1142                 print STDERR "No old symbols needed info update\n";
1143         }
1144 }
1145
1146 # Param: string of comma-separated keywords, each possibly prefixed with a "!"
1147 sub is_valid
1148 {
1149         my ($keywords_txt,$platforms) = @_;
1150         my (@keywords) = split /,/,$keywords_txt;
1151         my ($falsesum, $truesum) = (0, 1);
1152
1153         # Param: one keyword
1154         sub recognise
1155         {
1156                 my ($keyword,$platforms) = @_;
1157
1158                 if ($platforms) {
1159                         # platforms
1160                         if ($keyword eq "VMSVAX" && $VMSVAX) { return 1; }
1161                         if ($keyword eq "VMSNonVAX" && $VMSNonVAX) { return 1; }
1162                         if ($keyword eq "VMS" && $VMS) { return 1; }
1163                         if ($keyword eq "WIN32" && $W32) { return 1; }
1164                         if ($keyword eq "WIN16" && $W16) { return 1; }
1165                         if ($keyword eq "WINNT" && $NT) { return 1; }
1166                         if ($keyword eq "OS2" && $OS2) { return 1; }
1167                         # Special platforms:
1168                         # EXPORT_VAR_AS_FUNCTION means that global variables
1169                         # will be represented as functions.  This currently
1170                         # only happens on VMS-VAX.
1171                         if ($keyword eq "EXPORT_VAR_AS_FUNCTION" && ($VMSVAX || $W32 || $W16)) {
1172                                 return 1;
1173                         }
1174                         if ($keyword eq "OPENSSL_FIPSCAPABLE") {
1175                                 return 0;
1176                         }
1177                         if ($keyword eq "OPENSSL_FIPS" && $fips) {
1178                                 return 1;
1179                         }
1180                         if ($keyword eq "ZLIB" && $zlib) { return 1; }
1181                         return 0;
1182                 } else {
1183                         # algorithms
1184                         if ($keyword eq "RC2" && $no_rc2) { return 0; }
1185                         if ($keyword eq "RC4" && $no_rc4) { return 0; }
1186                         if ($keyword eq "RC5" && $no_rc5) { return 0; }
1187                         if ($keyword eq "IDEA" && $no_idea) { return 0; }
1188                         if ($keyword eq "DES" && $no_des) { return 0; }
1189                         if ($keyword eq "BF" && $no_bf) { return 0; }
1190                         if ($keyword eq "CAST" && $no_cast) { return 0; }
1191                         if ($keyword eq "MD2" && $no_md2) { return 0; }
1192                         if ($keyword eq "MD4" && $no_md4) { return 0; }
1193                         if ($keyword eq "MD5" && $no_md5) { return 0; }
1194                         if ($keyword eq "SHA" && $no_sha) { return 0; }
1195                         if ($keyword eq "RIPEMD" && $no_ripemd) { return 0; }
1196                         if ($keyword eq "MDC2" && $no_mdc2) { return 0; }
1197                         if ($keyword eq "WHIRLPOOL" && $no_whirlpool) { return 0; }
1198                         if ($keyword eq "RSA" && $no_rsa) { return 0; }
1199                         if ($keyword eq "DSA" && $no_dsa) { return 0; }
1200                         if ($keyword eq "DH" && $no_dh) { return 0; }
1201                         if ($keyword eq "EC" && $no_ec) { return 0; }
1202                         if ($keyword eq "ECDSA" && $no_ecdsa) { return 0; }
1203                         if ($keyword eq "ECDH" && $no_ecdh) { return 0; }
1204                         if ($keyword eq "HMAC" && $no_hmac) { return 0; }
1205                         if ($keyword eq "AES" && $no_aes) { return 0; }
1206                         if ($keyword eq "CAMELLIA" && $no_camellia) { return 0; }
1207                         if ($keyword eq "SEED" && $no_seed) { return 0; }
1208                         if ($keyword eq "EVP" && $no_evp) { return 0; }
1209                         if ($keyword eq "LHASH" && $no_lhash) { return 0; }
1210                         if ($keyword eq "STACK" && $no_stack) { return 0; }
1211                         if ($keyword eq "ERR" && $no_err) { return 0; }
1212                         if ($keyword eq "BUFFER" && $no_buffer) { return 0; }
1213                         if ($keyword eq "BIO" && $no_bio) { return 0; }
1214                         if ($keyword eq "COMP" && $no_comp) { return 0; }
1215                         if ($keyword eq "DSO" && $no_dso) { return 0; }
1216                         if ($keyword eq "KRB5" && $no_krb5) { return 0; }
1217                         if ($keyword eq "ENGINE" && $no_engine) { return 0; }
1218                         if ($keyword eq "HW" && $no_hw) { return 0; }
1219                         if ($keyword eq "FP_API" && $no_fp_api) { return 0; }
1220                         if ($keyword eq "STATIC_ENGINE" && $no_static_engine) { return 0; }
1221                         if ($keyword eq "GMP" && $no_gmp) { return 0; }
1222                         if ($keyword eq "RFC3779" && $no_rfc3779) { return 0; }
1223                         if ($keyword eq "TLSEXT" && $no_tlsext) { return 0; }
1224                         if ($keyword eq "PSK" && $no_psk) { return 0; }
1225                         if ($keyword eq "CMS" && $no_cms) { return 0; }
1226                         if ($keyword eq "EC_NISTP_64_GCC_128" && $no_nistp_gcc)
1227                                         { return 0; }
1228                         if ($keyword eq "EC2M" && $no_ec2m) { return 0; }
1229                         if ($keyword eq "NEXTPROTONEG" && $no_nextprotoneg) { return 0; }
1230                         if ($keyword eq "SSL3_METHOD" && $no_ssl3_method) { return 0; }
1231                         if ($keyword eq "SSL_TRACE" && $no_ssl_trace) { return 0; }
1232                         if ($keyword eq "CAPIENG" && $no_capieng) { return 0; }
1233                         if ($keyword eq "JPAKE" && $no_jpake) { return 0; }
1234                         if ($keyword eq "SRP" && $no_srp) { return 0; }
1235                         if ($keyword eq "SCTP" && $no_sctp) { return 0; }
1236                         if ($keyword eq "SRTP" && $no_srtp) { return 0; }
1237                         if ($keyword eq "UNIT_TEST" && $no_unit_test) { return 0; }
1238                         if ($keyword eq "DEPRECATED" && $no_deprecated) { return 0; }
1239
1240                         # Nothing recognise as true
1241                         return 1;
1242                 }
1243         }
1244
1245         foreach $k (@keywords) {
1246                 if ($k =~ /^!(.*)$/) {
1247                         $falsesum += &recognise($1,$platforms);
1248                 } else {
1249                         $truesum *= &recognise($k,$platforms);
1250                 }
1251         }
1252         print STDERR "DEBUG: [",$#keywords,",",$#keywords < 0,"] is_valid($keywords_txt) => (\!$falsesum) && $truesum = ",(!$falsesum) && $truesum,"\n" if $debug;
1253         return (!$falsesum) && $truesum;
1254 }
1255
1256 sub print_test_file
1257 {
1258         (*OUT,my $name,*nums,my $testall,my @symbols)=@_;
1259         my $n = 1; my @e; my @r;
1260         my $sym; my $prev = ""; my $prefSSLeay;
1261
1262         (@e)=grep(/^SSLeay(\{[0-9]+\})?\\.*?:.*?:.*/,@symbols);
1263         (@r)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:.*/ && !/^SSLeay(\{[0-9]+\})?\\.*?:.*?:.*/,@symbols);
1264         @symbols=((sort @e),(sort @r));
1265
1266         foreach $sym (@symbols) {
1267                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1268                 my $v = 0;
1269                 $v = 1 if $i=~ /^.*?:.*?:VARIABLE/;
1270                 my $p = ($i =~ /^[^:]*:([^:]*):/,$1);
1271                 my $a = ($i =~ /^[^:]*:[^:]*:[^:]*:([^:]*)/,$1);
1272                 if (!defined($nums{$s})) {
1273                         print STDERR "Warning: $s does not have a number assigned\n"
1274                             if(!$do_update);
1275                 } elsif (is_valid($p,1) && is_valid($a,0)) {
1276                         my $s2 = ($s =~ /^(.*?)(\{[0-9]+\})?$/, $1);
1277                         if ($prev eq $s2) {
1278                                 print OUT "\t/* The following has already appeared previously */\n";
1279                                 print STDERR "Warning: Symbol '",$s2,"' redefined. old=",($nums{$prev} =~ /^(.*?)\\/,$1),", new=",($nums{$s2} =~ /^(.*?)\\/,$1),"\n";
1280                         }
1281                         $prev = $s2;    # To warn about duplicates...
1282
1283                         ($nn,$ni)=($nums{$s2} =~ /^(.*?)\\(.*)$/);
1284                         if ($v) {
1285                                 print OUT "\textern int $s2; /* type unknown */ /* $nn $ni */\n";
1286                         } else {
1287                                 print OUT "\textern int $s2(); /* type unknown */ /* $nn $ni */\n";
1288                         }
1289                 }
1290         }
1291 }
1292
1293 sub get_version {
1294    local *MF;
1295    my $v = '?';
1296    open MF, 'Makefile' or return $v;
1297    while (<MF>) {
1298      $v = $1, last if /^VERSION=(.*?)\s*$/;
1299    }
1300    close MF;
1301    return $v;
1302 }
1303
1304 sub print_def_file
1305 {
1306         (*OUT,my $name,*nums,my @symbols)=@_;
1307         my $n = 1; my @e; my @r; my @v; my $prev="";
1308         my $liboptions="";
1309         my $libname = $name;
1310         my $http_vendor = 'www.openssl.org/';
1311         my $version = get_version();
1312         my $what = "OpenSSL: implementation of Secure Socket Layer";
1313         my $description = "$what $version, $name - http://$http_vendor";
1314
1315         if ($W32)
1316                 { $libname.="32"; }
1317         elsif ($W16)
1318                 { $libname.="16"; }
1319         elsif ($OS2)
1320                 { # DLL names should not clash on the whole system.
1321                   # However, they should not have any particular relationship
1322                   # to the name of the static library.  Chose descriptive names
1323                   # (must be at most 8 chars).
1324                   my %translate = (ssl => 'open_ssl', crypto => 'cryptssl');
1325                   $libname = $translate{$name} || $name;
1326                   $liboptions = <<EOO;
1327 INITINSTANCE
1328 DATA MULTIPLE NONSHARED
1329 EOO
1330                   # Vendor field can't contain colon, drat; so we omit http://
1331                   $description = "\@#$http_vendor:$version#\@$what; DLL for library $name.  Build for EMX -Zmtd";
1332                 }
1333
1334         print OUT <<"EOF";
1335 ;
1336 ; Definition file for the DLL version of the $name library from OpenSSL
1337 ;
1338
1339 LIBRARY         $libname        $liboptions
1340
1341 EOF
1342
1343         if ($W16) {
1344                 print <<"EOF";
1345 CODE            PRELOAD MOVEABLE
1346 DATA            PRELOAD MOVEABLE SINGLE
1347
1348 EXETYPE         WINDOWS
1349
1350 HEAPSIZE        4096
1351 STACKSIZE       8192
1352
1353 EOF
1354         }
1355
1356         print "EXPORTS\n";
1357
1358         (@e)=grep(/^SSLeay(\{[0-9]+\})?\\.*?:.*?:FUNCTION/,@symbols);
1359         (@r)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:FUNCTION/ && !/^SSLeay(\{[0-9]+\})?\\.*?:.*?:FUNCTION/,@symbols);
1360         (@v)=grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:VARIABLE/,@symbols);
1361         @symbols=((sort @e),(sort @r), (sort @v));
1362
1363
1364         foreach $sym (@symbols) {
1365                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1366                 my $v = 0;
1367                 $v = 1 if $i =~ /^.*?:.*?:VARIABLE/;
1368                 if (!defined($nums{$s})) {
1369                         printf STDERR "Warning: $s does not have a number assigned\n"
1370                             if(!$do_update);
1371                 } else {
1372                         (my $n, my $dummy) = split /\\/, $nums{$s};
1373                         my %pf = ();
1374                         my $p = ($i =~ /^[^:]*:([^:]*):/,$1);
1375                         my $a = ($i =~ /^[^:]*:[^:]*:[^:]*:([^:]*)/,$1);
1376                         if (is_valid($p,1) && is_valid($a,0)) {
1377                                 my $s2 = ($s =~ /^(.*?)(\{[0-9]+\})?$/, $1);
1378                                 if ($prev eq $s2) {
1379                                         print STDERR "Warning: Symbol '",$s2,"' redefined. old=",($nums{$prev} =~ /^(.*?)\\/,$1),", new=",($nums{$s2} =~ /^(.*?)\\/,$1),"\n";
1380                                 }
1381                                 $prev = $s2;    # To warn about duplicates...
1382                                 if($v && !$OS2) {
1383                                         printf OUT "    %s%-39s @%-8d DATA\n",($W32)?"":"_",$s2,$n;
1384                                 } else {
1385                                         printf OUT "    %s%-39s @%d\n",($W32||$OS2)?"":"_",$s2,$n;
1386                                 }
1387                         }
1388                 }
1389         }
1390         printf OUT "\n";
1391 }
1392
1393 sub load_numbers
1394 {
1395         my($name)=@_;
1396         my(@a,%ret);
1397
1398         $max_num = 0;
1399         $num_noinfo = 0;
1400         $prev = "";
1401         $prev_cnt = 0;
1402
1403         open(IN,"<$name") || die "unable to open $name:$!\n";
1404         while (<IN>) {
1405                 chop;
1406                 s/#.*$//;
1407                 next if /^\s*$/;
1408                 @a=split;
1409                 if (defined $ret{$a[0]}) {
1410                         # This is actually perfectly OK
1411                         #print STDERR "Warning: Symbol '",$a[0],"' redefined. old=",$ret{$a[0]},", new=",$a[1],"\n";
1412                 }
1413                 if ($max_num > $a[1]) {
1414                         print STDERR "Warning: Number decreased from ",$max_num," to ",$a[1],"\n";
1415                 }
1416                 elsif ($max_num == $a[1]) {
1417                         # This is actually perfectly OK
1418                         #print STDERR "Warning: Symbol ",$a[0]," has same number as previous ",$prev,": ",$a[1],"\n";
1419                         if ($a[0] eq $prev) {
1420                                 $prev_cnt++;
1421                                 $a[0] .= "{$prev_cnt}";
1422                         }
1423                 }
1424                 else {
1425                         $prev_cnt = 0;
1426                 }
1427                 if ($#a < 2) {
1428                         # Existence will be proven later, in do_defs
1429                         $ret{$a[0]}=$a[1];
1430                         $num_noinfo++;
1431                 } else {
1432                         $ret{$a[0]}=$a[1]."\\".$a[2]; # \\ is a special marker
1433                 }
1434                 $max_num = $a[1] if $a[1] > $max_num;
1435                 $prev=$a[0];
1436         }
1437         if ($num_noinfo) {
1438                 print STDERR "Warning: $num_noinfo symbols were without info.";
1439                 if ($do_rewrite) {
1440                         printf STDERR "  The rewrite will fix this.\n";
1441                 } else {
1442                         printf STDERR "  You should do a rewrite to fix this.\n";
1443                 }
1444         }
1445         close(IN);
1446         return(%ret);
1447 }
1448
1449 sub parse_number
1450 {
1451         (my $str, my $what) = @_;
1452         (my $n, my $i) = split(/\\/,$str);
1453         if ($what eq "n") {
1454                 return $n;
1455         } else {
1456                 return $i;
1457         }
1458 }
1459
1460 sub rewrite_numbers
1461 {
1462         (*OUT,$name,*nums,@symbols)=@_;
1463         my $thing;
1464
1465         print STDERR "Rewriting $name\n";
1466
1467         my @r = grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:\w+\(\w+\)/,@symbols);
1468         my $r; my %r; my %rsyms;
1469         foreach $r (@r) {
1470                 (my $s, my $i) = split /\\/, $r;
1471                 my $a = $1 if $i =~ /^.*?:.*?:\w+\((\w+)\)/;
1472                 $i =~ s/^(.*?:.*?:\w+)\(\w+\)/$1/;
1473                 $r{$a} = $s."\\".$i;
1474                 $rsyms{$s} = 1;
1475         }
1476
1477         my %syms = ();
1478         foreach $_ (@symbols) {
1479                 (my $n, my $i) = split /\\/;
1480                 $syms{$n} = 1;
1481         }
1482
1483         my @s=sort {
1484             &parse_number($nums{$a},"n") <=> &parse_number($nums{$b},"n")
1485             || $a cmp $b
1486         } keys %nums;
1487         foreach $sym (@s) {
1488                 (my $n, my $i) = split /\\/, $nums{$sym};
1489                 next if defined($i) && $i =~ /^.*?:.*?:\w+\(\w+\)/;
1490                 next if defined($rsyms{$sym});
1491                 print STDERR "DEBUG: rewrite_numbers for sym = ",$sym,": i = ",$i,", n = ",$n,", rsym{sym} = ",$rsyms{$sym},"syms{sym} = ",$syms{$sym},"\n" if $debug;
1492                 $i="NOEXIST::FUNCTION:"
1493                         if !defined($i) || $i eq "" || !defined($syms{$sym});
1494                 my $s2 = $sym;
1495                 $s2 =~ s/\{[0-9]+\}$//;
1496                 printf OUT "%s%-39s %d\t%s\n","",$s2,$n,$i;
1497                 if (exists $r{$sym}) {
1498                         (my $s, $i) = split /\\/,$r{$sym};
1499                         my $s2 = $s;
1500                         $s2 =~ s/\{[0-9]+\}$//;
1501                         printf OUT "%s%-39s %d\t%s\n","",$s2,$n,$i;
1502                 }
1503         }
1504 }
1505
1506 sub update_numbers
1507 {
1508         (*OUT,$name,*nums,my $start_num, my @symbols)=@_;
1509         my $new_syms = 0;
1510
1511         print STDERR "Updating $name numbers\n";
1512
1513         my @r = grep(/^\w+(\{[0-9]+\})?\\.*?:.*?:\w+\(\w+\)/,@symbols);
1514         my $r; my %r; my %rsyms;
1515         foreach $r (@r) {
1516                 (my $s, my $i) = split /\\/, $r;
1517                 my $a = $1 if $i =~ /^.*?:.*?:\w+\((\w+)\)/;
1518                 $i =~ s/^(.*?:.*?:\w+)\(\w+\)/$1/;
1519                 $r{$a} = $s."\\".$i;
1520                 $rsyms{$s} = 1;
1521         }
1522
1523         foreach $sym (@symbols) {
1524                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1525                 next if $i =~ /^.*?:.*?:\w+\(\w+\)/;
1526                 next if defined($rsyms{$sym});
1527                 die "ERROR: Symbol $sym had no info attached to it."
1528                     if $i eq "";
1529                 next if $i =~ /OPENSSL_FIPSCAPABLE/;
1530                 if (!exists $nums{$s}) {
1531                         $new_syms++;
1532                         my $s2 = $s;
1533                         $s2 =~ s/\{[0-9]+\}$//;
1534                         printf OUT "%s%-39s %d\t%s\n","",$s2, ++$start_num,$i;
1535                         if (exists $r{$s}) {
1536                                 ($s, $i) = split /\\/,$r{$s};
1537                                 $s =~ s/\{[0-9]+\}$//;
1538                                 printf OUT "%s%-39s %d\t%s\n","",$s, $start_num,$i;
1539                         }
1540                 }
1541         }
1542         if($new_syms) {
1543                 print STDERR "$new_syms New symbols added\n";
1544         } else {
1545                 print STDERR "No New symbols Added\n";
1546         }
1547 }
1548
1549 sub check_existing
1550 {
1551         (*nums, my @symbols)=@_;
1552         my %existing; my @remaining;
1553         @remaining=();
1554         foreach $sym (@symbols) {
1555                 (my $s, my $i) = $sym =~ /^(.*?)\\(.*)$/;
1556                 $existing{$s}=1;
1557         }
1558         foreach $sym (keys %nums) {
1559                 if (!exists $existing{$sym}) {
1560                         push @remaining, $sym;
1561                 }
1562         }
1563         if(@remaining) {
1564                 print STDERR "The following symbols do not seem to exist:\n";
1565                 foreach $sym (@remaining) {
1566                         print STDERR "\t",$sym,"\n";
1567                 }
1568         }
1569 }
1570
1571 sub count_parens
1572 {
1573         my $line = shift(@_);
1574
1575         my $open = $line =~ tr/\(//;
1576         my $close = $line =~ tr/\)//;
1577
1578         return $open - $close;
1579 }
1580