1#!/usr/local/bin/perl -w
2
3my $config = "crypto/err/openssl.ec";
4my $debug = 0;
5my $rebuild = 0;
6my $static = 1;
7my $recurse = 0;
8my $reindex = 0;
9my $dowrite = 0;
10my $staticloader = "";
11
12while (@ARGV) {
13	my $arg = $ARGV[0];
14	if($arg eq "-conf") {
15		shift @ARGV;
16		$config = shift @ARGV;
17	} elsif($arg eq "-debug") {
18		$debug = 1;
19		shift @ARGV;
20	} elsif($arg eq "-rebuild") {
21		$rebuild = 1;
22		shift @ARGV;
23	} elsif($arg eq "-recurse") {
24		$recurse = 1;
25		shift @ARGV;
26	} elsif($arg eq "-reindex") {
27		$reindex = 1;
28		shift @ARGV;
29	} elsif($arg eq "-nostatic") {
30		$static = 0;
31		shift @ARGV;
32	} elsif($arg eq "-staticloader") {
33		$staticloader = "static ";
34		shift @ARGV;
35	} elsif($arg eq "-write") {
36		$dowrite = 1;
37		shift @ARGV;
38	} else {
39		last;
40	}
41}
42
43if($recurse) {
44	@source = (<crypto/*.c>, <crypto/*/*.c>, <ssl/*.c>, <fips/*.c>,
45		   <fips/*/*.c>);
46} else {
47	@source = @ARGV;
48}
49
50# Read in the config file
51
52open(IN, "<$config") || die "Can't open config file $config";
53
54# Parse config file
55
56while(<IN>)
57{
58	if(/^L\s+(\S+)\s+(\S+)\s+(\S+)/) {
59		$hinc{$1} = $2;
60		$libinc{$2} = $1;
61		$cskip{$3} = $1;
62		if($3 ne "NONE") {
63			$csrc{$1} = $3;
64			$fmax{$1} = 99;
65			$rmax{$1} = 99;
66			$fnew{$1} = 0;
67			$rnew{$1} = 0;
68		}
69	} elsif (/^F\s+(\S+)/) {
70	# Add extra function with $1
71	} elsif (/^R\s+(\S+)\s+(\S+)/) {
72		$rextra{$1} = $2;
73		$rcodes{$1} = $2;
74	}
75}
76
77close IN;
78
79# Scan each header file in turn and make a list of error codes
80# and function names
81
82while (($hdr, $lib) = each %libinc)
83{
84	next if($hdr eq "NONE");
85	print STDERR "Scanning header file $hdr\n" if $debug;
86	my $line = "", $def= "", $linenr = 0, $gotfile = 0;
87	if (open(IN, "<$hdr")) {
88	    $gotfile = 1;
89	    while(<IN>) {
90		$linenr++;
91		print STDERR "line: $linenr\r" if $debug;
92
93		last if(/BEGIN\s+ERROR\s+CODES/);
94		if ($line ne '') {
95		    $_ = $line . $_;
96		    $line = '';
97		}
98
99		if (/\\$/) {
100		    $line = $_;
101		    next;
102		}
103
104		$cpp = 1 if /^#.*ifdef.*cplusplus/;  # skip "C" declaration
105		if ($cpp) {
106		    $cpp = 0 if /^#.*endif/;
107		    next;
108		}
109
110		next if (/^\#/);                      # skip preprocessor directives
111
112		s/\/\*.*?\*\///gs;                   # ignore comments
113		s/{[^{}]*}//gs;                      # ignore {} blocks
114
115		if (/\{|\/\*/) { # Add a } so editor works...
116		    $line = $_;
117		} else {
118		    $def .= $_;
119		}
120	    }
121	}
122
123	print STDERR "                                  \r" if $debug;
124        $defnr = 0;
125	foreach (split /;/, $def) {
126	    $defnr++;
127	    print STDERR "def: $defnr\r" if $debug;
128
129	    s/^[\n\s]*//g;
130	    s/[\n\s]*$//g;
131	    next if(/typedef\W/);
132	    if (/\(\*(\w*)\([^\)]+/) {
133		my $name = $1;
134		$name =~ tr/[a-z]/[A-Z]/;
135		$ftrans{$name} = $1;
136	    } elsif (/\w+\W+(\w+)\W*\(\s*\)(\s*__attribute__\(.*\)\s*)?$/s){
137		# K&R C
138		next ;
139	    } elsif (/\w+\W+\w+\W*\(.*\)(\s*__attribute__\(.*\)\s*)?$/s) {
140		while (not /\(\)(\s*__attribute__\(.*\)\s*)?$/s) {
141		    s/[^\(\)]*\)(\s*__attribute__\(.*\)\s*)?$/\)/s;
142		    s/\([^\(\)]*\)\)(\s*__attribute__\(.*\)\s*)?$/\)/s;
143		}
144		s/\(void\)//;
145		/(\w+(\{[0-9]+\})?)\W*\(\)/s;
146		my $name = $1;
147		$name =~ tr/[a-z]/[A-Z]/;
148		$ftrans{$name} = $1;
149	    } elsif (/\(/ and not (/=/ or /DECLARE_STACK/)) {
150		print STDERR "Header $hdr: cannot parse: $_;\n";
151	    }
152	}
153
154	print STDERR "                                  \r" if $debug;
155
156	next if $reindex;
157
158	# Scan function and reason codes and store them: keep a note of the
159	# maximum code used.
160
161	if ($gotfile) {
162	    while(<IN>) {
163		if(/^\#define\s+(\S+)\s+(\S+)/) {
164			$name = $1;
165			$code = $2;
166			next if $name =~ /^${lib}err/;
167			unless($name =~ /^${lib}_([RF])_(\w+)$/) {
168				print STDERR "Invalid error code $name\n";
169				next;
170			}
171			if($1 eq "R") {
172				$rcodes{$name} = $code;
173				if(!(exists $rextra{$name}) &&
174					 ($code > $rmax{$lib}) ) {
175					$rmax{$lib} = $code;
176				}
177			} else {
178				if($code > $fmax{$lib}) {
179					$fmax{$lib} = $code;
180				}
181				$fcodes{$name} = $code;
182			}
183		}
184	    }
185	}
186	close IN;
187}
188
189# Scan each C source file and look for function and reason codes
190# This is done by looking for strings that "look like" function or
191# reason codes: basically anything consisting of all upper case and
192# numerics which has _F_ or _R_ in it and which has the name of an
193# error library at the start. This seems to work fine except for the
194# oddly named structure BIO_F_CTX which needs to be ignored.
195# If a code doesn't exist in list compiled from headers then mark it
196# with the value "X" as a place holder to give it a value later.
197# Store all function and reason codes found in %ufcodes and %urcodes
198# so all those unreferenced can be printed out.
199
200
201print STDERR "Files loaded: " if $debug;
202foreach $file (@source) {
203	# Don't parse the error source file.
204	next if exists $cskip{$file};
205	print STDERR $file if $debug;
206	open(IN, "<$file") || die "Can't open source file $file\n";
207	while(<IN>) {
208		if(/(([A-Z0-9]+)_F_([A-Z0-9_]+))/) {
209			next unless exists $csrc{$2};
210			next if($1 eq "BIO_F_BUFFER_CTX");
211			$ufcodes{$1} = 1;
212			if(!exists $fcodes{$1}) {
213				$fcodes{$1} = "X";
214				$fnew{$2}++;
215			}
216			$notrans{$1} = 1 unless exists $ftrans{$3};
217		}
218		if(/(([A-Z0-9]+)_R_[A-Z0-9_]+)/) {
219			next unless exists $csrc{$2};
220			$urcodes{$1} = 1;
221			if(!exists $rcodes{$1}) {
222				$rcodes{$1} = "X";
223				$rnew{$2}++;
224			}
225		}
226	}
227	close IN;
228}
229print STDERR "\n" if $debug;
230
231# Now process each library in turn.
232
233foreach $lib (keys %csrc)
234{
235	my $hfile = $hinc{$lib};
236	my $cfile = $csrc{$lib};
237	if(!$fnew{$lib} && !$rnew{$lib}) {
238		print STDERR "$lib:\t\tNo new error codes\n";
239		next unless $rebuild;
240	} else {
241		print STDERR "$lib:\t\t$fnew{$lib} New Functions,";
242		print STDERR " $rnew{$lib} New Reasons.\n";
243		next unless $dowrite;
244	}
245
246	# If we get here then we have some new error codes so we
247	# need to rebuild the header file and C file.
248
249	# Make a sorted list of error and reason codes for later use.
250
251	my @function = sort grep(/^${lib}_/,keys %fcodes);
252	my @reasons = sort grep(/^${lib}_/,keys %rcodes);
253
254	# Rewrite the header file
255
256	if (open(IN, "<$hfile")) {
257	    # Copy across the old file
258	    while(<IN>) {
259		push @out, $_;
260		last if (/BEGIN ERROR CODES/);
261	    }
262	    close IN;
263	} else {
264	    push @out,
265"/* ====================================================================\n",
266" * Copyright (c) 2001-2004 The OpenSSL Project.  All rights reserved.\n",
267" *\n",
268" * Redistribution and use in source and binary forms, with or without\n",
269" * modification, are permitted provided that the following conditions\n",
270" * are met:\n",
271" *\n",
272" * 1. Redistributions of source code must retain the above copyright\n",
273" *    notice, this list of conditions and the following disclaimer. \n",
274" *\n",
275" * 2. Redistributions in binary form must reproduce the above copyright\n",
276" *    notice, this list of conditions and the following disclaimer in\n",
277" *    the documentation and/or other materials provided with the\n",
278" *    distribution.\n",
279" *\n",
280" * 3. All advertising materials mentioning features or use of this\n",
281" *    software must display the following acknowledgment:\n",
282" *    \"This product includes software developed by the OpenSSL Project\n",
283" *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)\"\n",
284" *\n",
285" * 4. The names \"OpenSSL Toolkit\" and \"OpenSSL Project\" must not be used to\n",
286" *    endorse or promote products derived from this software without\n",
287" *    prior written permission. For written permission, please contact\n",
288" *    openssl-core\@openssl.org.\n",
289" *\n",
290" * 5. Products derived from this software may not be called \"OpenSSL\"\n",
291" *    nor may \"OpenSSL\" appear in their names without prior written\n",
292" *    permission of the OpenSSL Project.\n",
293" *\n",
294" * 6. Redistributions of any form whatsoever must retain the following\n",
295" *    acknowledgment:\n",
296" *    \"This product includes software developed by the OpenSSL Project\n",
297" *    for use in the OpenSSL Toolkit (http://www.openssl.org/)\"\n",
298" *\n",
299" * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY\n",
300" * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\n",
301" * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR\n",
302" * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR\n",
303" * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n",
304" * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\n",
305" * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\n",
306" * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\n",
307" * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,\n",
308" * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n",
309" * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED\n",
310" * OF THE POSSIBILITY OF SUCH DAMAGE.\n",
311" * ====================================================================\n",
312" *\n",
313" * This product includes cryptographic software written by Eric Young\n",
314" * (eay\@cryptsoft.com).  This product includes software written by Tim\n",
315" * Hudson (tjh\@cryptsoft.com).\n",
316" *\n",
317" */\n",
318"\n",
319"#ifndef HEADER_${lib}_ERR_H\n",
320"#define HEADER_${lib}_ERR_H\n",
321"\n",
322"/* BEGIN ERROR CODES */\n";
323	}
324	open (OUT, ">$hfile") || die "Can't Open File $hfile for writing\n";
325
326	print OUT @out;
327	undef @out;
328	print OUT <<"EOF";
329/* The following lines are auto generated by the script mkerr.pl. Any changes
330 * made after this point may be overwritten when the script is next run.
331 */
332EOF
333	if($static) {
334		print OUT <<"EOF";
335${staticloader}void ERR_load_${lib}_strings(void);
336
337EOF
338	} else {
339		print OUT <<"EOF";
340${staticloader}void ERR_load_${lib}_strings(void);
341${staticloader}void ERR_unload_${lib}_strings(void);
342${staticloader}void ERR_${lib}_error(int function, int reason, char *file, int line);
343#define ${lib}err(f,r) ERR_${lib}_error((f),(r),__FILE__,__LINE__)
344
345EOF
346	}
347	print OUT <<"EOF";
348/* Error codes for the $lib functions. */
349
350/* Function codes. */
351EOF
352
353	foreach $i (@function) {
354		$z=6-int(length($i)/8);
355		if($fcodes{$i} eq "X") {
356			$fcodes{$i} = ++$fmax{$lib};
357			print STDERR "New Function code $i\n" if $debug;
358		}
359		printf OUT "#define $i%s $fcodes{$i}\n","\t" x $z;
360	}
361
362	print OUT "\n/* Reason codes. */\n";
363
364	foreach $i (@reasons) {
365		$z=6-int(length($i)/8);
366		if($rcodes{$i} eq "X") {
367			$rcodes{$i} = ++$rmax{$lib};
368			print STDERR "New Reason code   $i\n" if $debug;
369		}
370		printf OUT "#define $i%s $rcodes{$i}\n","\t" x $z;
371	}
372	print OUT <<"EOF";
373
374#ifdef  __cplusplus
375}
376#endif
377#endif
378EOF
379	close OUT;
380
381	# Rewrite the C source file containing the error details.
382
383	# First, read any existing reason string definitions:
384	my %err_reason_strings;
385	if (open(IN,"<$cfile")) {
386		while (<IN>) {
387			if (/\b(${lib}_R_\w*)\b.*\"(.*)\"/) {
388				$err_reason_strings{$1} = $2;
389			}
390		}
391		close(IN);
392	}
393
394	my $hincf;
395	if($static) {
396		$hfile =~ /([^\/]+)$/;
397		$hincf = "<openssl/$1>";
398	} else {
399		$hincf = "\"$hfile\"";
400	}
401
402
403	open (OUT,">$cfile") || die "Can't open $cfile for writing";
404
405	print OUT <<"EOF";
406/* $cfile */
407/* ====================================================================
408 * Copyright (c) 1999-2005 The OpenSSL Project.  All rights reserved.
409 *
410 * Redistribution and use in source and binary forms, with or without
411 * modification, are permitted provided that the following conditions
412 * are met:
413 *
414 * 1. Redistributions of source code must retain the above copyright
415 *    notice, this list of conditions and the following disclaimer.
416 *
417 * 2. Redistributions in binary form must reproduce the above copyright
418 *    notice, this list of conditions and the following disclaimer in
419 *    the documentation and/or other materials provided with the
420 *    distribution.
421 *
422 * 3. All advertising materials mentioning features or use of this
423 *    software must display the following acknowledgment:
424 *    "This product includes software developed by the OpenSSL Project
425 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
426 *
427 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
428 *    endorse or promote products derived from this software without
429 *    prior written permission. For written permission, please contact
430 *    openssl-core\@OpenSSL.org.
431 *
432 * 5. Products derived from this software may not be called "OpenSSL"
433 *    nor may "OpenSSL" appear in their names without prior written
434 *    permission of the OpenSSL Project.
435 *
436 * 6. Redistributions of any form whatsoever must retain the following
437 *    acknowledgment:
438 *    "This product includes software developed by the OpenSSL Project
439 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
440 *
441 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
442 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
443 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
444 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
445 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
446 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
447 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
448 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
449 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
450 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
451 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
452 * OF THE POSSIBILITY OF SUCH DAMAGE.
453 * ====================================================================
454 *
455 * This product includes cryptographic software written by Eric Young
456 * (eay\@cryptsoft.com).  This product includes software written by Tim
457 * Hudson (tjh\@cryptsoft.com).
458 *
459 */
460
461/* NOTE: this file was auto generated by the mkerr.pl script: any changes
462 * made to it will be overwritten when the script next updates this file,
463 * only reason strings will be preserved.
464 */
465
466#include <stdio.h>
467#include <openssl/err.h>
468#include $hincf
469
470/* BEGIN ERROR CODES */
471#ifndef OPENSSL_NO_ERR
472static ERR_STRING_DATA ${lib}_str_functs[]=
473	{
474EOF
475	# Add each function code: if a function name is found then use it.
476	foreach $i (@function) {
477		my $fn;
478		$i =~ /^${lib}_F_(\S+)$/;
479		$fn = $1;
480		if(exists $ftrans{$fn}) {
481			$fn = $ftrans{$fn};
482		}
483		print OUT "{ERR_PACK(0,$i,0),\t\"$fn\"},\n";
484	}
485	print OUT <<"EOF";
486{0,NULL}
487	};
488
489static ERR_STRING_DATA ${lib}_str_reasons[]=
490	{
491EOF
492	# Add each reason code.
493	foreach $i (@reasons) {
494		my $rn;
495		my $nspc = 0;
496		if (exists $err_reason_strings{$i}) {
497			$rn = $err_reason_strings{$i};
498		} else {
499			$i =~ /^${lib}_R_(\S+)$/;
500			$rn = $1;
501			$rn =~ tr/_[A-Z]/ [a-z]/;
502		}
503		$nspc = 40 - length($i) unless length($i) > 40;
504		$nspc = " " x $nspc;
505		print OUT "{${i}${nspc},\"$rn\"},\n";
506	}
507if($static) {
508	print OUT <<"EOF";
509{0,NULL}
510	};
511
512#endif
513
514${staticloader}void ERR_load_${lib}_strings(void)
515	{
516	static int init=1;
517
518	if (init)
519		{
520		init=0;
521#ifndef OPENSSL_NO_ERR
522		ERR_load_strings(ERR_LIB_${lib},${lib}_str_functs);
523		ERR_load_strings(ERR_LIB_${lib},${lib}_str_reasons);
524#endif
525
526		}
527	}
528EOF
529} else {
530	print OUT <<"EOF";
531{0,NULL}
532	};
533
534#endif
535
536#ifdef ${lib}_LIB_NAME
537static ERR_STRING_DATA ${lib}_lib_name[]=
538        {
539{0	,${lib}_LIB_NAME},
540{0,NULL}
541	};
542#endif
543
544
545static int ${lib}_lib_error_code=0;
546static int ${lib}_error_init=1;
547
548${staticloader}void ERR_load_${lib}_strings(void)
549	{
550	if (${lib}_lib_error_code == 0)
551		${lib}_lib_error_code=ERR_get_next_error_library();
552
553	if (${lib}_error_init)
554		{
555		${lib}_error_init=0;
556#ifndef OPENSSL_NO_ERR
557		ERR_load_strings(${lib}_lib_error_code,${lib}_str_functs);
558		ERR_load_strings(${lib}_lib_error_code,${lib}_str_reasons);
559#endif
560
561#ifdef ${lib}_LIB_NAME
562		${lib}_lib_name->error = ERR_PACK(${lib}_lib_error_code,0,0);
563		ERR_load_strings(0,${lib}_lib_name);
564#endif
565		}
566	}
567
568${staticloader}void ERR_unload_${lib}_strings(void)
569	{
570	if (${lib}_error_init == 0)
571		{
572#ifndef OPENSSL_NO_ERR
573		ERR_unload_strings(${lib}_lib_error_code,${lib}_str_functs);
574		ERR_unload_strings(${lib}_lib_error_code,${lib}_str_reasons);
575#endif
576
577#ifdef ${lib}_LIB_NAME
578		ERR_unload_strings(0,${lib}_lib_name);
579#endif
580		${lib}_error_init=1;
581		}
582	}
583
584${staticloader}void ERR_${lib}_error(int function, int reason, char *file, int line)
585	{
586	if (${lib}_lib_error_code == 0)
587		${lib}_lib_error_code=ERR_get_next_error_library();
588	ERR_PUT_error(${lib}_lib_error_code,function,reason,file,line);
589	}
590EOF
591
592}
593
594	close OUT;
595	undef %err_reason_strings;
596}
597
598if($debug && defined(%notrans)) {
599	print STDERR "The following function codes were not translated:\n";
600	foreach(sort keys %notrans)
601	{
602		print STDERR "$_\n";
603	}
604}
605
606# Make a list of unreferenced function and reason codes
607
608foreach (keys %fcodes) {
609	push (@funref, $_) unless exists $ufcodes{$_};
610}
611
612foreach (keys %rcodes) {
613	push (@runref, $_) unless exists $urcodes{$_};
614}
615
616if($debug && defined(@funref) ) {
617	print STDERR "The following function codes were not referenced:\n";
618	foreach(sort @funref)
619	{
620		print STDERR "$_\n";
621	}
622}
623
624if($debug && defined(@runref) ) {
625	print STDERR "The following reason codes were not referenced:\n";
626	foreach(sort @runref)
627	{
628		print STDERR "$_\n";
629	}
630}
631