source/pidl/lib/Parse/Pidl/Wireshark/NDR.pm

   1 ##################################################
   2 # Samba4 NDR parser generator for IDL structures
   3 # Copyright tridge@samba.org 2000-2003
   4 # Copyright tpot@samba.org 2001,2005
   5 # Copyright jelmer@samba.org 2004-2005
   6 # Portions based on idl2eth.c by Ronnie Sahlberg
   7 # released under the GNU GPL
   8
   9 =pod
  10
  11 =head1 NAME
  12
  13 Parse::Pidl::Wireshark::NDR - Parser generator for Wireshark
  14
  15 =cut
  16
  17 package Parse::Pidl::Wireshark::NDR;
  18
  19 use strict;
  20 use Parse::Pidl::Typelist qw(getType);
  21 use Parse::Pidl::Util qw(has_property ParseExpr property_matches make_str);
  22 use Parse::Pidl::NDR qw(ContainsString GetNextLevel);
  23 use Parse::Pidl::Dump qw(DumpTypedef DumpFunction);
  24 use Parse::Pidl::Wireshark::Conformance qw(ReadConformance);
  25 use File::Basename;
  26
  27 use vars qw($VERSION);
  28 $VERSION = '0.01';
  29
  30 sub error($$)
  31 {
  32         my ($e,$t) = @_;
  33         print "$e->{FILE}:$e->{LINE}: $t\n";
  34 }
  35
  36 my @ett;
  37
  38 my %hf_used = ();
  39 my %return_types = ();
  40 my %dissector_used = ();
  41
  42 my $conformance = undef;
  43
  44 my %ptrtype_mappings = (
  45         "unique" => "NDR_POINTER_UNIQUE",
  46         "ref" => "NDR_POINTER_REF",
  47         "ptr" => "NDR_POINTER_PTR"
  48 );
  49
  50 sub StripPrefixes($)
  51 {
  52         my ($s) = @_;
  53
  54         foreach (@{$conformance->{strip_prefixes}}) {
  55                 $s =~ s/^$_\_//g;
  56         }
  57
  58         return $s;
  59 }
  60
  61 # Convert a IDL structure field name (e.g access_mask) to a prettier
  62 # string like 'Access Mask'.
  63
  64 sub field2name($)
  65 {
  66     my($field) = shift;
  67
  68     $field =~ s/_/ /g;          # Replace underscores with spaces
  69     $field =~ s/(\w+)/\u\L$1/g; # Capitalise each word
  70
  71     return $field;
  72 }
  73
  74 my %res = ();
  75 my $tabs = "";
  76 my $cur_fn = undef;
  77 sub pidl_fn_start($)
  78 {
  79         my $fn = shift;
  80         $cur_fn = $fn;
  81 }
  82 sub pidl_fn_end($)
  83 {
  84         my $fn = shift;
  85         die("Inconsistent state: $fn != $cur_fn") if ($fn ne $cur_fn);
  86         $cur_fn = undef;
  87 }
  88
  89 sub pidl_code($)
  90 {
  91         my $d = shift;
  92         return if (defined($cur_fn) and defined($conformance->{manual}->{$cur_fn}));
  93
  94         if ($d) {
  95                 $res{code} .= $tabs;
  96                 $res{code} .= $d;
  97         }
  98         $res{code} .="\n";
  99 }
 100
 101 sub pidl_hdr($) { my $x = shift; $res{hdr} .= "$x\n"; }
 102 sub pidl_def($) { my $x = shift; $res{def} .= "$x\n"; }
 103
 104 sub indent()
 105 {
 106         $tabs .= "\t";
 107 }
 108
 109 sub deindent()
 110 {
 111         $tabs = substr($tabs, 0, -1);
 112 }
 113
 114 sub PrintIdl($)
 115 {
 116         my $idl = shift;
 117
 118         foreach (split /\n/, $idl) {
 119                 pidl_code "/* IDL: $_ */";
 120         }
 121
 122         pidl_code "";
 123 }
 124
 125 #####################################################################
 126 # parse the interface definitions
 127 sub Interface($)
 128 {
 129         my($interface) = @_;
 130         Const($_,$interface->{NAME}) foreach (@{$interface->{CONSTS}});
 131         Typedef($_,$interface->{NAME}) foreach (@{$interface->{TYPES}});
 132         Function($_,$interface->{NAME}) foreach (@{$interface->{FUNCTIONS}});
 133 }
 134
 135 sub Enum($$$)
 136 {
 137         my ($e,$name,$ifname) = @_;
 138         my $valsstring = "$ifname\_$name\_vals";
 139         my $dissectorname = "$ifname\_dissect\_enum\_".StripPrefixes($name);
 140
 141         return if (defined($conformance->{noemit}->{StripPrefixes($name)}));
 142
 143         foreach (@{$e->{ELEMENTS}}) {
 144                 if (/([^=]*)=(.*)/) {
 145                         pidl_hdr "#define $1 ($2)";
 146                 }
 147         }
 148
 149         pidl_hdr "extern const value_string $valsstring\[];";
 150         pidl_hdr "int $dissectorname(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, guint8 *drep, int hf_index, guint32 *param);";
 151
 152         pidl_def "const value_string ".$valsstring."[] = {";
 153         foreach (@{$e->{ELEMENTS}}) {
 154                 next unless (/([^=]*)=(.*)/);
 155                 pidl_def "\t{ $1, \"$1\" },";
 156         }
 157
 158         pidl_def "{ 0, NULL }";
 159         pidl_def "};";
 160
 161         pidl_fn_start $dissectorname;
 162         pidl_code "int";
 163         pidl_code "$dissectorname(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, guint8 *drep, int hf_index, guint32 *param)";
 164         pidl_code "{";
 165         indent;
 166         pidl_code "offset = dissect_ndr_$e->{BASE_TYPE}(tvb, offset, pinfo, tree, drep, hf_index, param);";
 167         pidl_code "return offset;";
 168         deindent;
 169         pidl_code "}\n";
 170         pidl_fn_end $dissectorname;
 171
 172         my $enum_size = $e->{BASE_TYPE};
 173         $enum_size =~ s/uint//g;
 174         register_type($name, "offset = $dissectorname(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);", "FT_UINT$enum_size", "BASE_DEC", "0", "VALS($valsstring)", $enum_size / 8);
 175 }
 176
 177 sub Bitmap($$$)
 178 {
 179         my ($e,$name,$ifname) = @_;
 180         my $dissectorname = "$ifname\_dissect\_bitmap\_".StripPrefixes($name);
 181
 182         register_ett("ett_$ifname\_$name");
 183
 184         pidl_hdr "int $dissectorname(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, guint8 *drep, int hf_index, guint32 param);";
 185
 186         pidl_fn_start $dissectorname;
 187         pidl_code "int";
 188         pidl_code "$dissectorname(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *parent_tree, guint8 *drep, int hf_index, guint32 param _U_)";
 189         pidl_code "{";
 190         indent;
 191         pidl_code "proto_item *item = NULL;";
 192         pidl_code "proto_tree *tree = NULL;";
 193         pidl_code "";
 194
 195         pidl_code "g$e->{BASE_TYPE} flags;";
 196         if ($e->{ALIGN} > 1) {
 197                 pidl_code "ALIGN_TO_$e->{ALIGN}_BYTES;";
 198         }
 199
 200         pidl_code "";
 201
 202         pidl_code "if (parent_tree) {";
 203         indent;
 204         pidl_code "item = proto_tree_add_item(parent_tree, hf_index, tvb, offset, $e->{ALIGN}, TRUE);";
 205         pidl_code "tree = proto_item_add_subtree(item,ett_$ifname\_$name);";
 206         deindent;
 207         pidl_code "}\n";
 208
 209         pidl_code "offset = dissect_ndr_$e->{BASE_TYPE}(tvb, offset, pinfo, NULL, drep, -1, &flags);";
 210
 211         pidl_code "proto_item_append_text(item, \": \");\n";
 212         pidl_code "if (!flags)";
 213         pidl_code "\tproto_item_append_text(item, \"(No values set)\");\n";
 214
 215         foreach (@{$e->{ELEMENTS}}) {
 216                 next unless (/([^ ]*) (.*)/);
 217                 my ($en,$ev) = ($1,$2);
 218                 my $hf_bitname = "hf_$ifname\_$name\_$en";
 219                 my $filtername = "$ifname\.$name\.$en";
 220
 221                 $hf_used{$hf_bitname} = 1;
 222
 223                 register_hf_field($hf_bitname, field2name($en), $filtername, "FT_BOOLEAN", $e->{ALIGN} * 8, "TFS(&$name\_$en\_tfs)", $ev, "");
 224
 225                 pidl_def "static const true_false_string $name\_$en\_tfs = {";
 226                 if (defined($conformance->{tfs}->{$hf_bitname})) {
 227                         pidl_def "   $conformance->{tfs}->{$hf_bitname}->{TRUE_STRING},";
 228                         pidl_def "   $conformance->{tfs}->{$hf_bitname}->{FALSE_STRING},";
 229                         $conformance->{tfs}->{$hf_bitname}->{USED} = 1;
 230                 } else {
 231                         pidl_def "   \"$en is SET\",";
 232                         pidl_def "   \"$en is NOT SET\",";
 233                 }
 234                 pidl_def "};";
 235
 236                 pidl_code "proto_tree_add_boolean(tree, $hf_bitname, tvb, offset-$e->{ALIGN}, $e->{ALIGN}, flags);";
 237                 pidl_code "if (flags&$ev){";
 238                 pidl_code "\tproto_item_append_text(item, \"$en\");";
 239                 pidl_code "\tif (flags & (~$ev))";
 240                 pidl_code "\t\tproto_item_append_text(item, \", \");";
 241                 pidl_code "}";
 242                 pidl_code "flags&=(~$ev);";
 243                 pidl_code "";
 244         }
 245
 246         pidl_code "if (flags) {";
 247         pidl_code "\tproto_item_append_text(item, \"Unknown bitmap value 0x%x\", flags);";
 248         pidl_code "}\n";
 249         pidl_code "return offset;";
 250         deindent;
 251         pidl_code "}\n";
 252         pidl_fn_end $dissectorname;
 253
 254         my $size = $e->{BASE_TYPE};
 255         $size =~ s/uint//g;
 256         register_type($name, "offset = $dissectorname(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);", "FT_UINT$size", "BASE_HEX", "0", "NULL", $size/8);
 257 }
 258
 259 sub ElementLevel($$$$$)
 260 {
 261         my ($e,$l,$hf,$myname,$pn) = @_;
 262
 263         my $param = 0;
 264
 265         if (defined($conformance->{dissectorparams}->{$myname})) {
 266                 $conformance->{dissectorparams}->{$myname}->{PARAM} = 1;
 267                 $param = $conformance->{dissectorparams}->{$myname}->{PARAM};
 268         }
 269
 270         if ($l->{TYPE} eq "POINTER") {
 271                 my $type;
 272                 if ($l->{LEVEL} eq "TOP") {
 273                         $type = "toplevel";
 274                 } elsif ($l->{LEVEL} eq "EMBEDDED") {
 275                         $type = "embedded";
 276                 }
 277                 pidl_code "offset = dissect_ndr_$type\_pointer(tvb, offset, pinfo, tree, drep, $myname\_, $ptrtype_mappings{$l->{POINTER_TYPE}}, \"Pointer to ".field2name(StripPrefixes($e->{NAME})) . " ($e->{TYPE})\",$hf);";
 278         } elsif ($l->{TYPE} eq "ARRAY") {
 279                 if ($l->{IS_INLINE}) {
 280                         error($e->{ORIGINAL}, "Inline arrays not supported");
 281                 } elsif ($l->{IS_FIXED}) {
 282                         pidl_code "int i;";
 283                         pidl_code "for (i = 0; i < $l->{SIZE_IS}; i++)";
 284                         pidl_code "\toffset = $myname\_(tvb, offset, pinfo, tree, drep);";
 285                 } else {
 286                         my $type = "";
 287                         $type .= "c" if ($l->{IS_CONFORMANT});
 288                         $type .= "v" if ($l->{IS_VARYING});
 289
 290                         unless ($l->{IS_ZERO_TERMINATED}) {
 291                                 pidl_code "offset = dissect_ndr_u" . $type . "array(tvb, offset, pinfo, tree, drep, $myname\_);";
 292                         } else {
 293                                 my $nl = GetNextLevel($e,$l);
 294                                 pidl_code "char *data;";
 295                                 pidl_code "";
 296                                 pidl_code "offset = dissect_ndr_$type" . "string(tvb, offset, pinfo, tree, drep, sizeof(g$nl->{DATA_TYPE}), $hf, FALSE, &data);";
 297                                 pidl_code "proto_item_append_text(tree, \": %s\", data);";
 298                         }
 299                 }
 300         } elsif ($l->{TYPE} eq "DATA") {
 301                 if ($l->{DATA_TYPE} eq "string") {
 302                         my $bs = 2; # Byte size defaults to that of UCS2
 303
 304
 305                         ($bs = 1) if (property_matches($e, "flag", ".*LIBNDR_FLAG_STR_ASCII.*"));
 306
 307                         if (property_matches($e, "flag", ".*LIBNDR_FLAG_STR_SIZE4.*") and property_matches($e, "flag", ".*LIBNDR_FLAG_STR_LEN4.*")) {
 308                                 pidl_code "char *data;\n";
 309                                 pidl_code "offset = dissect_ndr_cvstring(tvb, offset, pinfo, tree, drep, $bs, $hf, FALSE, &data);";
 310                                 pidl_code "proto_item_append_text(tree, \": %s\", data);";
 311                         } elsif (property_matches($e, "flag", ".*LIBNDR_FLAG_STR_SIZE4.*")) {
 312                                 pidl_code "offset = dissect_ndr_vstring(tvb, offset, pinfo, tree, drep, $bs, $hf, FALSE, NULL);";
 313                         } else {
 314                                 warn("Unable to handle string with flags $e->{PROPERTIES}->{flag}");
 315                         }
 316                 } else {
 317                         my $call;
 318
 319                         if ($conformance->{imports}->{$l->{DATA_TYPE}}) {
 320                                 $call = $conformance->{imports}->{$l->{DATA_TYPE}}->{DATA};
 321                                 $conformance->{imports}->{$l->{DATA_TYPE}}->{USED} = 1;
 322                         } elsif (defined($conformance->{imports}->{"$pn.$e->{NAME}"})) {
 323                                 $call = $conformance->{imports}->{"$pn.$e->{NAME}"}->{DATA};
 324                                 $conformance->{imports}->{"$pn.$e->{NAME}"}->{USED} = 1;
 325
 326                         } elsif (defined($conformance->{types}->{$l->{DATA_TYPE}})) {
 327                                 $call= $conformance->{types}->{$l->{DATA_TYPE}}->{DISSECTOR_NAME};
 328                                 $conformance->{types}->{$l->{DATA_TYPE}}->{USED} = 1;
 329                         } else {
 330                                 if ($l->{DATA_TYPE} =~ /^([a-z]+)\_(.*)$/)
 331                                 {
 332                                         pidl_code "offset = $1_dissect_struct_$2(tvb,offset,pinfo,tree,drep,$hf,$param);";
 333                                 }
 334
 335                                 return;
 336                         }
 337
 338                         $call =~ s/\@HF\@/$hf/g;
 339                         $call =~ s/\@PARAM\@/$param/g;
 340                         pidl_code "$call";
 341                 }
 342         } elsif ($_->{TYPE} eq "SUBCONTEXT") {
 343                 my $num_bits = ($l->{HEADER_SIZE}*8);
 344                 pidl_code "guint$num_bits size;";
 345                 pidl_code "int start_offset = offset;";
 346                 pidl_code "tvbuff_t *subtvb;";
 347                 pidl_code "offset = dissect_ndr_uint$num_bits(tvb, offset, pinfo, tree, drep, $hf, &size);";
 348                 pidl_code "proto_tree_add_text(tree, tvb, start_offset, offset - start_offset + size, \"Subcontext size\");";
 349
 350                 pidl_code "subtvb = tvb_new_subset(tvb, offset, size, -1);";
 351                 pidl_code "$myname\_(subtvb, 0, pinfo, tree, drep);";
 352         } else {
 353                 die("Unknown type `$_->{TYPE}'");
 354         }
 355 }
 356
 357 sub Element($$$)
 358 {
 359         my ($e,$pn,$ifname) = @_;
 360
 361         my $dissectorname = "$ifname\_dissect\_element\_".StripPrefixes($pn)."\_".StripPrefixes($e->{NAME});
 362
 363         my $call_code = "offset = $dissectorname(tvb, offset, pinfo, tree, drep);";
 364
 365         my $type = find_type($e->{TYPE});
 366
 367         if (not defined($type)) {
 368                 # default settings
 369                 $type = {
 370                         MASK => 0,
 371                         VALSSTRING => "NULL",
 372                         FT_TYPE => "FT_NONE",
 373                         BASE_TYPE => "BASE_HEX"
 374                 };
 375         }
 376
 377         if (ContainsString($e)) {
 378                 $type = {
 379                         MASK => 0,
 380                         VALSSTRING => "NULL",
 381                         FT_TYPE => "FT_STRING",
 382                         BASE_TYPE => "BASE_DEC"
 383                 };
 384         }
 385
 386         my $hf = register_hf_field("hf_$ifname\_$pn\_$e->{NAME}", field2name($e->{NAME}), "$ifname.$pn.$e->{NAME}", $type->{FT_TYPE}, $type->{BASE_TYPE}, $type->{VALSSTRING}, $type->{MASK}, "");
 387         $hf_used{$hf} = 1;
 388
 389         my $eltname = StripPrefixes($pn) . ".$e->{NAME}";
 390         if (defined($conformance->{noemit}->{$eltname})) {
 391                 return $call_code;
 392         }
 393
 394         my $add = "";
 395
 396         foreach (@{$e->{LEVELS}}) {
 397                 next if ($_->{TYPE} eq "SWITCH");
 398                 pidl_def "static int $dissectorname$add(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, guint8 *drep);";
 399                 pidl_fn_start "$dissectorname$add";
 400                 pidl_code "static int";
 401                 pidl_code "$dissectorname$add(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, guint8 *drep)";
 402                 pidl_code "{";
 403                 indent;
 404
 405                 ElementLevel($e,$_,$hf,$dissectorname.$add,$pn);
 406
 407                 pidl_code "";
 408                 pidl_code "return offset;";
 409                 deindent;
 410                 pidl_code "}\n";
 411                 pidl_fn_end "$dissectorname$add";
 412                 $add.="_";
 413                 last if ($_->{TYPE} eq "ARRAY" and $_->{IS_ZERO_TERMINATED});
 414         }
 415
 416         return $call_code;
 417 }
 418
 419 sub Function($$$)
 420 {
 421         my ($fn,$ifname) = @_;
 422
 423         my %dissectornames;
 424
 425         foreach (@{$fn->{ELEMENTS}}) {
 426             $dissectornames{$_->{NAME}} = Element($_, $fn->{NAME}, $ifname) if not defined($dissectornames{$_->{NAME}});
 427         }
 428
 429         my $fn_name = $_->{NAME};
 430         $fn_name =~ s/^${ifname}_//;
 431
 432         PrintIdl DumpFunction($fn->{ORIGINAL});
 433         pidl_fn_start "$ifname\_dissect\_$fn_name\_response";
 434         pidl_code "static int";
 435         pidl_code "$ifname\_dissect\_${fn_name}_response(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *tree _U_, guint8 *drep _U_)";
 436         pidl_code "{";
 437         indent;
 438         if ( not defined($fn->{RETURN_TYPE})) {
 439         } elsif ($fn->{RETURN_TYPE} eq "NTSTATUS" or $fn->{RETURN_TYPE} eq "WERROR")
 440         {
 441                 pidl_code "guint32 status;\n";
 442         } elsif (my $type = getType($fn->{RETURN_TYPE})) {
 443                 if ($type->{DATA}->{TYPE} eq "ENUM") {
 444                         pidl_code "g".Parse::Pidl::Typelist::enum_type_fn($type->{DATA}) . " status;\n";
 445                 } else {
 446                 print "$fn->{FILE}:$fn->{LINE}: error: return type `$fn->{RETURN_TYPE}' not yet supported\n";
 447                 }
 448         } else {
 449                 print "$fn->{FILE}:$fn->{LINE}: error: unknown return type `$fn->{RETURN_TYPE}'\n";
 450         }
 451
 452         foreach (@{$fn->{ELEMENTS}}) {
 453                 if (grep(/out/,@{$_->{DIRECTION}})) {
 454                         pidl_code "$dissectornames{$_->{NAME}}";
 455                         pidl_code "offset = dissect_deferred_pointers(pinfo, tvb, offset, drep);";
 456                         pidl_code "";
 457                 }
 458         }
 459
 460         if (not defined($fn->{RETURN_TYPE})) {
 461         } elsif ($fn->{RETURN_TYPE} eq "NTSTATUS") {
 462                 pidl_code "offset = dissect_ntstatus(tvb, offset, pinfo, tree, drep, hf\_$ifname\_status, &status);\n";
 463                 pidl_code "if (status != 0 && check_col(pinfo->cinfo, COL_INFO))";
 464                 pidl_code "\tcol_append_fstr(pinfo->cinfo, COL_INFO, \", Error: %s\", val_to_str(status, NT_errors, \"Unknown NT status 0x%08x\"));\n";
 465                 $return_types{$ifname}->{"status"} = ["NTSTATUS", "NT Error"];
 466         } elsif ($fn->{RETURN_TYPE} eq "WERROR") {
 467                 pidl_code "offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep, hf\_$ifname\_werror, &status);\n";
 468                 pidl_code "if (status != 0 && check_col(pinfo->cinfo, COL_INFO))";
 469                 pidl_code "\tcol_append_fstr(pinfo->cinfo, COL_INFO, \", Error: %s\", val_to_str(status, WERR_errors, \"Unknown DOS error 0x%08x\"));\n";
 470
 471                 $return_types{$ifname}->{"werror"} = ["WERROR", "Windows Error"];
 472         } elsif (my $type = getType($fn->{RETURN_TYPE})) {
 473                 if ($type->{DATA}->{TYPE} eq "ENUM") {
 474                         my $return_type = "g".Parse::Pidl::Typelist::enum_type_fn($type->{DATA});
 475                         my $return_dissect = "dissect_ndr_" .Parse::Pidl::Typelist::enum_type_fn($type->{DATA});
 476
 477                         pidl_code "offset = $return_dissect(tvb, offset, pinfo, tree, drep, hf\_$ifname\_$fn->{RETURN_TYPE}_status, &status);";
 478                         pidl_code "if (status != 0 && check_col(pinfo->cinfo, COL_INFO))";
 479                         pidl_code "\tcol_append_fstr(pinfo->cinfo, COL_INFO, \", Status: %s\", val_to_str(status, $ifname\_$fn->{RETURN_TYPE}\_vals, \"Unknown " . $fn->{RETURN_TYPE} . " error 0x%08x\"));\n";
 480                         $return_types{$ifname}->{$fn->{RETURN_TYPE}."_status"} = [$fn->{RETURN_TYPE}, $fn->{RETURN_TYPE}];
 481                 }
 482         }
 483
 484
 485         pidl_code "return offset;";
 486         deindent;
 487         pidl_code "}\n";
 488         pidl_fn_end "$ifname\_dissect\_$fn_name\_response";
 489
 490         pidl_fn_start "$ifname\_dissect\_$fn_name\_request";
 491         pidl_code "static int";
 492         pidl_code "$ifname\_dissect\_${fn_name}_request(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *tree _U_, guint8 *drep _U_)";
 493         pidl_code "{";
 494         indent;
 495         foreach (@{$fn->{ELEMENTS}}) {
 496                 if (grep(/in/,@{$_->{DIRECTION}})) {
 497                         pidl_code "$dissectornames{$_->{NAME}}";
 498                         pidl_code "offset = dissect_deferred_pointers(pinfo, tvb, offset, drep);";
 499                 }
 500
 501         }
 502
 503         pidl_code "return offset;";
 504         deindent;
 505         pidl_code "}\n";
 506         pidl_fn_end "$ifname\_dissect\_$fn_name\_request";
 507 }
 508
 509 sub Struct($$$)
 510 {
 511         my ($e,$name,$ifname) = @_;
 512         my $dissectorname = "$ifname\_dissect\_struct\_".StripPrefixes($name);
 513
 514         return if (defined($conformance->{noemit}->{StripPrefixes($name)}));
 515
 516         register_ett("ett_$ifname\_$name");
 517
 518         my $res = "";
 519         ($res.="\t".Element($_, $name, $ifname)."\n\n") foreach (@{$e->{ELEMENTS}});
 520
 521         pidl_hdr "int $dissectorname(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *parent_tree, guint8 *drep, int hf_index, guint32 param _U_);";
 522
 523         pidl_fn_start $dissectorname;
 524         pidl_code "int";
 525         pidl_code "$dissectorname(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *parent_tree, guint8 *drep, int hf_index, guint32 param _U_)";
 526         pidl_code "{";
 527         indent;
 528         pidl_code "proto_item *item = NULL;";
 529         pidl_code "proto_tree *tree = NULL;";
 530         pidl_code "int old_offset;";
 531         pidl_code "";
 532
 533         if ($e->{ALIGN} > 1) {
 534                 pidl_code "ALIGN_TO_$e->{ALIGN}_BYTES;";
 535         }
 536         pidl_code "";
 537
 538         pidl_code "old_offset = offset;";
 539         pidl_code "";
 540         pidl_code "if (parent_tree) {";
 541         indent;
 542         pidl_code "item = proto_tree_add_item(parent_tree, hf_index, tvb, offset, -1, TRUE);";
 543         pidl_code "tree = proto_item_add_subtree(item, ett_$ifname\_$name);";
 544         deindent;
 545         pidl_code "}";
 546
 547         pidl_code "\n$res";
 548
 549         pidl_code "proto_item_set_len(item, offset-old_offset);\n";
 550         pidl_code "return offset;";
 551         deindent;
 552         pidl_code "}\n";
 553         pidl_fn_end $dissectorname;
 554
 555         register_type($name, "offset = $dissectorname(tvb,offset,pinfo,tree,drep,\@HF\@,\@PARAM\@);", "FT_NONE", "BASE_NONE", 0, "NULL", 0);
 556 }
 557
 558 sub Union($$$)
 559 {
 560         my ($e,$name,$ifname) = @_;
 561
 562         my $dissectorname = "$ifname\_dissect_".StripPrefixes($name);
 563
 564         return if (defined($conformance->{noemit}->{StripPrefixes($name)}));
 565
 566         register_ett("ett_$ifname\_$name");
 567
 568         my $res = "";
 569         foreach (@{$e->{ELEMENTS}}) {
 570                 $res.="\n\t\t$_->{CASE}:\n";
 571                 if ($_->{TYPE} ne "EMPTY") {
 572                         $res.="\t\t\t".Element($_, $name, $ifname)."\n";
 573                 }
 574                 $res.="\t\tbreak;\n";
 575         }
 576
 577         my $switch_type;
 578         my $switch_dissect;
 579         my $switch_dt = getType($e->{SWITCH_TYPE});
 580         if ($switch_dt->{DATA}->{TYPE} eq "ENUM") {
 581                 $switch_type = "g".Parse::Pidl::Typelist::enum_type_fn($switch_dt->{DATA});
 582                 $switch_dissect = "dissect_ndr_" .Parse::Pidl::Typelist::enum_type_fn($switch_dt->{DATA});
 583         } elsif ($switch_dt->{DATA}->{TYPE} eq "SCALAR") {
 584                 $switch_type = "g$e->{SWITCH_TYPE}";
 585                 $switch_dissect = "dissect_ndr_$e->{SWITCH_TYPE}";
 586         }
 587
 588         pidl_fn_start $dissectorname;
 589         pidl_code "static int";
 590         pidl_code "$dissectorname(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *parent_tree, guint8 *drep, int hf_index, guint32 param _U_)";
 591         pidl_code "{";
 592         indent;
 593         pidl_code "proto_item *item = NULL;";
 594         pidl_code "proto_tree *tree = NULL;";
 595         pidl_code "int old_offset;";
 596         pidl_code "$switch_type level;";
 597         pidl_code "";
 598
 599         if ($e->{ALIGN} > 1) {
 600                 pidl_code "ALIGN_TO_$e->{ALIGN}_BYTES;";
 601         }
 602
 603         pidl_code "";
 604
 605         pidl_code "old_offset = offset;";
 606         pidl_code "if (parent_tree) {";
 607         indent;
 608         pidl_code "item = proto_tree_add_text(parent_tree, tvb, offset, -1, \"$name\");";
 609         pidl_code "tree = proto_item_add_subtree(item, ett_$ifname\_$name);";
 610         deindent;
 611         pidl_code "}";
 612
 613         pidl_code "";
 614
 615         pidl_code "offset = $switch_dissect(tvb, offset, pinfo, tree, drep, hf_index, &level);";
 616
 617         pidl_code "switch(level) {$res\t}";
 618         pidl_code "proto_item_set_len(item, offset-old_offset);\n";
 619         pidl_code "return offset;";
 620         deindent;
 621         pidl_code "}";
 622         pidl_fn_end $dissectorname;
 623
 624         register_type($name, "offset = $dissectorname(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);", "FT_NONE", "BASE_NONE", 0, "NULL", 0);
 625 }
 626
 627 sub Const($$)
 628 {
 629         my ($const,$ifname) = @_;
 630
 631         if (!defined($const->{ARRAY_LEN}[0])) {
 632                 pidl_hdr "#define $const->{NAME}\t( $const->{VALUE} )\n";
 633         } else {
 634                 pidl_hdr "#define $const->{NAME}\t $const->{VALUE}\n";
 635         }
 636 }
 637
 638 sub Typedef($$)
 639 {
 640         my ($e,$ifname) = @_;
 641
 642         PrintIdl DumpTypedef($e->{ORIGINAL});
 643
 644         {
 645                 ENUM => \&Enum,
 646                 STRUCT => \&Struct,
 647                 UNION => \&Union,
 648                 BITMAP => \&Bitmap
 649         }->{$e->{DATA}->{TYPE}}->($e->{DATA}, $e->{NAME}, $ifname);
 650 }
 651
 652 sub RegisterInterface($)
 653 {
 654         my ($x) = @_;
 655
 656         pidl_fn_start "proto_register_dcerpc_$x->{NAME}";
 657         pidl_code "void proto_register_dcerpc_$x->{NAME}(void)";
 658         pidl_code "{";
 659         indent;
 660
 661         $res{code}.=DumpHfList()."\n";
 662         $res{code}.="\n".DumpEttList()."\n";
 663
 664         if (defined($x->{UUID})) {
 665             # These can be changed to non-pidl_code names if the old dissectors
 666             # in epan/dissctors are deleted.
 667
 668             my $name = uc($x->{NAME}) . " (pidl)";
 669             my $short_name = uc($x->{NAME});
 670             my $filter_name = $x->{NAME};
 671
 672             if (has_property($x, "helpstring")) {
 673                 $name = $x->{PROPERTIES}->{helpstring};
 674             }
 675
 676             if (defined($conformance->{protocols}->{$x->{NAME}})) {
 677                 $short_name = $conformance->{protocols}->{$x->{NAME}}->{SHORTNAME};
 678                 $name = $conformance->{protocols}->{$x->{NAME}}->{LONGNAME};
 679                 $filter_name = $conformance->{protocols}->{$x->{NAME}}->{FILTERNAME};
 680             }
 681
 682             pidl_code "proto_dcerpc_$x->{NAME} = proto_register_protocol(".make_str($name).", ".make_str($short_name).", ".make_str($filter_name).");";
 683
 684             pidl_code "proto_register_field_array(proto_dcerpc_$x->{NAME}, hf, array_length (hf));";
 685             pidl_code "proto_register_subtree_array(ett, array_length(ett));";
 686         } else {
 687             pidl_code "proto_dcerpc = proto_get_id_by_filter_name(\"dcerpc\");";
 688             pidl_code "proto_register_field_array(proto_dcerpc, hf, array_length(hf));";
 689             pidl_code "proto_register_subtree_array(ett, array_length(ett));";
 690         }
 691
 692         deindent;
 693         pidl_code "}\n";
 694         pidl_fn_end "proto_register_dcerpc_$x->{NAME}";
 695 }
 696
 697 sub RegisterInterfaceHandoff($)
 698 {
 699         my $x = shift;
 700
 701         if (defined($x->{UUID})) {
 702                 pidl_fn_start "proto_reg_handoff_dcerpc_$x->{NAME}";
 703             pidl_code "void proto_reg_handoff_dcerpc_$x->{NAME}(void)";
 704             pidl_code "{";
 705             indent;
 706             pidl_code "dcerpc_init_uuid(proto_dcerpc_$x->{NAME}, ett_dcerpc_$x->{NAME},";
 707             pidl_code "\t&uuid_dcerpc_$x->{NAME}, ver_dcerpc_$x->{NAME},";
 708             pidl_code "\t$x->{NAME}_dissectors, hf_$x->{NAME}_opnum);";
 709             deindent;
 710             pidl_code "}";
 711                 pidl_fn_end "proto_reg_handoff_dcerpc_$x->{NAME}";
 712
 713                 $hf_used{"hf_$x->{NAME}_opnum"} = 1;
 714         }
 715 }
 716
 717 sub ProcessInterface($)
 718 {
 719         my ($x) = @_;
 720
 721         push(@{$conformance->{strip_prefixes}}, $x->{NAME});
 722
 723         my $define = "__PACKET_DCERPC_" . uc($_->{NAME}) . "_H";
 724         pidl_hdr "#ifndef $define";
 725         pidl_hdr "#define $define";
 726         pidl_hdr "";
 727
 728         if (defined $x->{PROPERTIES}->{depends}) {
 729                 foreach (split / /, $x->{PROPERTIES}->{depends}) {
 730                         next if($_ eq "security");
 731                         pidl_hdr "#include \"packet-dcerpc-$_\.h\"\n";
 732                 }
 733         }
 734
 735         pidl_def "static gint proto_dcerpc_$x->{NAME} = -1;";
 736         register_ett("ett_dcerpc_$x->{NAME}");
 737         register_hf_field("hf_$x->{NAME}_opnum", "Operation", "$x->{NAME}.opnum", "FT_UINT16", "BASE_DEC", "NULL", 0, "");
 738
 739         if (defined($x->{UUID})) {
 740                 my $if_uuid = $x->{UUID};
 741
 742             pidl_def "/* Version information */\n\n";
 743
 744             pidl_def "static e_uuid_t uuid_dcerpc_$x->{NAME} = {";
 745             pidl_def "\t0x" . substr($if_uuid, 1, 8)
 746                 . ", 0x" . substr($if_uuid, 10, 4)
 747             . ", 0x" . substr($if_uuid, 15, 4) . ",";
 748             pidl_def "\t{ 0x" . substr($if_uuid, 20, 2)
 749                 . ", 0x" . substr($if_uuid, 22, 2)
 750             . ", 0x" . substr($if_uuid, 25, 2)
 751             . ", 0x" . substr($if_uuid, 27, 2)
 752             . ", 0x" . substr($if_uuid, 29, 2)
 753             . ", 0x" . substr($if_uuid, 31, 2)
 754             . ", 0x" . substr($if_uuid, 33, 2)
 755             . ", 0x" . substr($if_uuid, 35, 2) . " }";
 756             pidl_def "};";
 757
 758             my $maj = $x->{VERSION};
 759             $maj =~ s/\.(.*)$//g;
 760             pidl_def "static guint16 ver_dcerpc_$x->{NAME} = $maj;";
 761             pidl_def "";
 762         }
 763
 764         $return_types{$x->{NAME}} = {};
 765
 766         Interface($x);
 767
 768         pidl_code "\n".DumpFunctionTable($x);
 769
 770         foreach (keys %{$return_types{$x->{NAME}}}) {
 771                 my ($type, $desc) = @{$return_types{$x->{NAME}}->{$_}};
 772                 my $dt = find_type($type);
 773                 $dt or die("Unable to find information about return type `$type'");
 774                 register_hf_field("hf_$x->{NAME}_$_", $desc, "$x->{NAME}.$_", $dt->{FT_TYPE}, "BASE_HEX", $dt->{VALSSTRING}, 0, "");
 775                 $hf_used{"hf_$x->{NAME}_$_"} = 1;
 776         }
 777
 778         RegisterInterface($x);
 779         RegisterInterfaceHandoff($x);
 780
 781         pidl_hdr "#endif /* $define */";
 782 }
 783
 784 sub find_type($)
 785 {
 786         my $n = shift;
 787
 788         return $conformance->{types}->{$n};
 789 }
 790
 791 sub register_type($$$$$$$)
 792 {
 793         my ($type,$call,$ft,$base,$mask,$vals,$length) = @_;
 794
 795         $conformance->{types}->{$type} = {
 796                 NAME => $type,
 797                 DISSECTOR_NAME => $call,
 798                 FT_TYPE => $ft,
 799                 BASE_TYPE => $base,
 800                 MASK => $mask,
 801                 VALSSTRING => $vals,
 802                 ALIGNMENT => $length
 803         };
 804 }
 805
 806 # Loads the default types
 807 sub Initialize($)
 808 {
 809         my $cnf_file = shift;
 810
 811         $conformance = {
 812                 imports => {},
 813                 header_fields=> {}
 814         };
 815
 816         ReadConformance($cnf_file, $conformance) or print "Warning: No conformance file `$cnf_file'\n";
 817
 818         foreach my $bytes (qw(1 2 4 8)) {
 819                 my $bits = $bytes * 8;
 820                 register_type("uint$bits", "offset = dissect_ndr_uint$bits(tvb, offset, pinfo, tree, drep, \@HF\@,NULL);", "FT_UINT$bits", "BASE_DEC", 0, "NULL", $bytes);
 821                 register_type("int$bits", "offset = dissect_ndr_uint$bits(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);", "FT_INT$bits", "BASE_DEC", 0, "NULL", $bytes);
 822         }
 823
 824         register_type("udlong", "offset = dissect_ndr_duint32(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);", "FT_UINT64", "BASE_DEC", 0, "NULL", 4);
 825         register_type("bool8", "offset = dissect_ndr_uint8(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);","FT_INT8", "BASE_DEC", 0, "NULL", 1);
 826         register_type("char", "offset = dissect_ndr_uint8(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);","FT_INT8", "BASE_DEC", 0, "NULL", 1);
 827         register_type("long", "offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);","FT_INT32", "BASE_DEC", 0, "NULL", 4);
 828         register_type("dlong", "offset = dissect_ndr_duint32(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);","FT_INT64", "BASE_DEC", 0, "NULL", 8);
 829         register_type("GUID", "offset = dissect_ndr_uuid_t(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);","FT_GUID", "BASE_NONE", 0, "NULL", 4);
 830         register_type("policy_handle", "offset = dissect_nt_policy_hnd(tvb, offset, pinfo, tree, drep, \@HF\@, NULL, NULL, \@PARAM\@&0x01, \@PARAM\@&0x02);","FT_BYTES", "BASE_NONE", 0, "NULL", 4);
 831         register_type("NTTIME", "offset = dissect_ndr_nt_NTTIME(tvb, offset, pinfo, tree, drep, \@HF\@);","FT_ABSOLUTE_TIME", "BASE_NONE", 0, "NULL", 4);
 832         register_type("NTTIME_hyper", "offset = dissect_ndr_nt_NTTIME(tvb, offset, pinfo, tree, drep, \@HF\@);","FT_ABSOLUTE_TIME", "BASE_NONE", 0, "NULL", 4);
 833         register_type("time_t", "offset = dissect_ndr_time_t(tvb, offset, pinfo,tree, drep, \@HF\@, NULL);","FT_ABSOLUTE_TIME", "BASE_DEC", 0, "NULL", 4);
 834         register_type("NTTIME_1sec", "offset = dissect_ndr_nt_NTTIME(tvb, offset, pinfo, tree, drep, \@HF\@);", "FT_ABSOLUTE_TIME", "BASE_NONE", 0, "NULL", 4);
 835         register_type("SID", "
 836                 dcerpc_info *di = (dcerpc_info *)pinfo->private_data;
 837
 838                 di->hf_index = \@HF\@;
 839
 840                 offset = dissect_ndr_nt_SID_with_options(tvb, offset, pinfo, tree, drep, param);
 841         ","FT_STRING", "BASE_DEC", 0, "NULL", 4);
 842         register_type("WERROR",
 843                 "offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);","FT_UINT32", "BASE_DEC", 0, "VALS(WERR_errors)", 4);
 844         register_type("NTSTATUS",
 845                 "offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);","FT_UINT32", "BASE_DEC", 0, "VALS(NT_errors)", 4);
 846
 847 }
 848
 849 #####################################################################
 850 # Generate Wireshark parser and header code
 851 sub Parse($$$$)
 852 {
 853         my($ndr,$idl_file,$h_filename,$cnf_file) = @_;
 854         Initialize($cnf_file);
 855
 856         return (undef, undef) if defined($conformance->{noemit_dissector});
 857
 858         $tabs = "";
 859
 860         %res = (code=>"",def=>"",hdr=>"");
 861         @ett = ();
 862
 863         my $notice =
 864 "/* DO NOT EDIT
 865         This filter was automatically generated
 866         from $idl_file and $cnf_file.
 867
 868         Pidl is a perl based IDL compiler for DCE/RPC idl files.
 869         It is maintained by the Samba team, not the Wireshark team.
 870         Instructions on how to download and install Pidl can be
 871         found at http://wiki.wireshark.org/Pidl
 872 */
 873
 874 ";
 875
 876         pidl_hdr $notice;
 877
 878         $res{headers} = "\n";
 879         $res{headers} .= "#ifdef HAVE_CONFIG_H\n";
 880         $res{headers} .= "#include \"config.h\"\n";
 881         $res{headers} .= "#endif\n\n";
 882         $res{headers} .= "#include <glib.h>\n";
 883         $res{headers} .= "#include <string.h>\n";
 884         $res{headers} .= "#include <epan/packet.h>\n\n";
 885
 886         $res{headers} .= "#include \"packet-dcerpc.h\"\n";
 887         $res{headers} .= "#include \"packet-dcerpc-nt.h\"\n";
 888         $res{headers} .= "#include \"packet-windows-common.h\"\n";
 889
 890         my $h_basename = basename($h_filename);
 891
 892         $res{headers} .= "#include \"$h_basename\"\n";
 893         pidl_code "";
 894
 895         # Wireshark protocol registration
 896
 897         ProcessInterface($_) foreach (@$ndr);
 898
 899         $res{ett} = DumpEttDeclaration();
 900         $res{hf} = DumpHfDeclaration();
 901
 902         my $parser = $notice;
 903         $parser.= $res{headers};
 904         $parser.=$res{ett};
 905         $parser.=$res{hf};
 906         $parser.=$res{def};
 907         $parser.=$conformance->{override};
 908         $parser.=$res{code};
 909
 910         my $header = "/* autogenerated by pidl */\n\n";
 911         $header.=$res{hdr};
 912
 913         CheckUsed($conformance);
 914
 915         return ($parser,$header);
 916 }
 917
 918 ###############################################################################
 919 # ETT
 920 ###############################################################################
 921
 922 sub register_ett($)
 923 {
 924         my $name = shift;
 925
 926         push (@ett, $name);
 927 }
 928
 929 sub DumpEttList()
 930 {
 931         my $res = "\tstatic gint *ett[] = {\n";
 932         foreach (@ett) {
 933                 $res .= "\t\t&$_,\n";
 934         }
 935
 936         return "$res\t};\n";
 937 }
 938
 939 sub DumpEttDeclaration()
 940 {
 941         my $res = "\n/* Ett declarations */\n";
 942         foreach (@ett) {
 943                 $res .= "static gint $_ = -1;\n";
 944         }
 945
 946         return "$res\n";
 947 }
 948
 949 ###############################################################################
 950 # HF
 951 ###############################################################################
 952
 953 sub register_hf_field($$$$$$$$)
 954 {
 955         my ($index,$name,$filter_name,$ft_type,$base_type,$valsstring,$mask,$blurb) = @_;
 956
 957         if (defined ($conformance->{hf_renames}->{$index})) {
 958                 $conformance->{hf_renames}->{$index}->{USED} = 1;
 959                 return $conformance->{hf_renames}->{$index}->{NEWNAME};
 960         }
 961
 962         $conformance->{header_fields}->{$index} = {
 963                 INDEX => $index,
 964                 NAME => $name,
 965                 FILTER => $filter_name,
 966                 FT_TYPE => $ft_type,
 967                 BASE_TYPE => $base_type,
 968                 VALSSTRING => $valsstring,
 969                 MASK => $mask,
 970                 BLURB => $blurb
 971         };
 972
 973         if ((not defined($blurb) or $blurb eq "") and
 974                         defined($conformance->{fielddescription}->{$index})) {
 975                 $conformance->{header_fields}->{$index}->{BLURB} =
 976                         $conformance->{fielddescription}->{$index}->{DESCRIPTION};
 977                 $conformance->{fielddescription}->{$index}->{USED} = 1;
 978         }
 979
 980         return $index;
 981 }
 982
 983 sub DumpHfDeclaration()
 984 {
 985         my $res = "";
 986
 987         $res = "\n/* Header field declarations */\n";
 988
 989         foreach (keys %{$conformance->{header_fields}})
 990         {
 991                 $res .= "static gint $_ = -1;\n";
 992         }
 993
 994         return "$res\n";
 995 }
 996
 997 sub DumpHfList()
 998 {
 999         my $res = "\tstatic hf_register_info hf[] = {\n";
1000
1001         foreach (values %{$conformance->{header_fields}})
1002         {
1003                 $res .= "\t{ &$_->{INDEX},
1004           { ".make_str($_->{NAME}).", ".make_str($_->{FILTER}).", $_->{FT_TYPE}, $_->{BASE_TYPE}, $_->{VALSSTRING}, $_->{MASK}, ".make_str($_->{BLURB}).", HFILL }},
1005 ";
1006         }
1007
1008         return $res."\t};\n";
1009 }
1010
1011
1012 ###############################################################################
1013 # Function table
1014 ###############################################################################
1015
1016 sub DumpFunctionTable($)
1017 {
1018         my $if = shift;
1019
1020         my $res = "static dcerpc_sub_dissector $if->{NAME}\_dissectors[] = {\n";
1021         foreach (@{$if->{FUNCTIONS}}) {
1022                 my $fn_name = $_->{NAME};
1023                 $fn_name =~ s/^$if->{NAME}_//;
1024                 $res.= "\t{ $_->{OPNUM}, \"$fn_name\",\n";
1025                 $res.= "\t   $if->{NAME}_dissect_${fn_name}_request, $if->{NAME}_dissect_${fn_name}_response},\n";
1026         }
1027
1028         $res .= "\t{ 0, NULL, NULL, NULL }\n";
1029
1030         return "$res};\n";
1031 }
1032
1033 sub CheckUsed($)
1034 {
1035         my $conformance = shift;
1036         foreach (values %{$conformance->{header_fields}}) {
1037                 if (not defined($hf_used{$_->{INDEX}})) {
1038                         print "$_->{POS}: warning: hf field `$_->{INDEX}' not used\n";
1039                 }
1040         }
1041
1042         foreach (values %{$conformance->{hf_renames}}) {
1043                 if (not $_->{USED}) {
1044                         print "$_->{POS}: warning: hf field `$_->{OLDNAME}' not used\n";
1045                 }
1046         }
1047
1048         foreach (values %{$conformance->{dissectorparams}}) {
1049                 if (not $_->{USED}) {
1050                         print "$_->{POS}: warning: dissector param never used\n";
1051                 }
1052         }
1053
1054         foreach (values %{$conformance->{imports}}) {
1055                 if (not $_->{USED}) {
1056                         print "$_->{POS}: warning: import never used\n";
1057                 }
1058         }
1059
1060         foreach (values %{$conformance->{types}}) {
1061                 if (not $_->{USED} and defined($_->{POS})) {
1062                         print "$_->{POS}: warning: type never used\n";
1063                 }
1064         }
1065
1066         foreach (values %{$conformance->{fielddescription}}) {
1067                 if (not $_->{USED}) {
1068                         print "$_->{POS}: warning: description never used\n";
1069                 }
1070         }
1071
1072         foreach (values %{$conformance->{tfs}}) {
1073                 if (not $_->{USED}) {
1074                         print "$_->{POS}: warning: True/False description never used\n";
1075                 }
1076         }
1077 }
1078
1079 1;