release/src/router/openssl/util/mkerr.pl

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