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 2004-2007
   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 Exporter;
  20 @ISA = qw(Exporter);
  21 @EXPORT_OK = qw(field2name %res PrintIdl StripPrefixes RegisterInterfaceHandoff register_hf_field CheckUsed ProcessImport ProcessInclude find_type DumpEttList DumpEttDeclaration DumpHfList DumpHfDeclaration DumpFunctionTable register_type register_ett);
  22
  23 use strict;
  24 use Parse::Pidl qw(error warning);
  25 use Parse::Pidl::Typelist qw(getType);
  26 use Parse::Pidl::Util qw(has_property property_matches make_str);
  27 use Parse::Pidl::NDR qw(ContainsString GetNextLevel);
  28 use Parse::Pidl::Dump qw(DumpType DumpFunction);
  29 use Parse::Pidl::Wireshark::Conformance qw(ReadConformance);
  30 use File::Basename;
  31
  32 use vars qw($VERSION);
  33 $VERSION = '0.01';
  34
  35 my %return_types = ();
  36 my %dissector_used = ();
  37
  38 my %ptrtype_mappings = (
  39         "unique" => "NDR_POINTER_UNIQUE",
  40         "ref" => "NDR_POINTER_REF",
  41         "ptr" => "NDR_POINTER_PTR"
  42 );
  43
  44 sub StripPrefixes($$)
  45 {
  46         my ($s, $prefixes) = @_;
  47
  48         foreach (@$prefixes) {
  49                 $s =~ s/^$_\_//g;
  50         }
  51
  52         return $s;
  53 }
  54
  55 # Convert a IDL structure field name (e.g access_mask) to a prettier
  56 # string like 'Access Mask'.
  57
  58 sub field2name($)
  59 {
  60     my($field) = shift;
  61
  62     $field =~ s/_/ /g;          # Replace underscores with spaces
  63     $field =~ s/(\w+)/\u\L$1/g; # Capitalise each word
  64
  65     return $field;
  66 }
  67
  68 sub new($)
  69 {
  70         my ($class) = @_;
  71         my $self = {res => {hdr => "", def => "", code => ""}, tabs => "", cur_fn => undef,
  72                 hf_used => {}, ett => [], conformance => undef
  73
  74         };
  75         bless($self, $class);
  76 }
  77
  78 sub pidl_fn_start($$)
  79 {
  80         my ($self, $fn) = @_;
  81         $self->{cur_fn} = $fn;
  82 }
  83 sub pidl_fn_end($$)
  84 {
  85         my ($self, $fn) = @_;
  86         die("Inconsistent state: $fn != $self->{cur_fn}") if ($fn ne $self->{cur_fn});
  87         $self->{cur_fn} = undef;
  88 }
  89
  90 sub pidl_code($$)
  91 {
  92         my ($self, $d) = @_;
  93         return if (defined($self->{cur_fn}) and defined($self->{conformance}->{manual}->{$self->{cur_fn}}));
  94
  95         if ($d) {
  96                 $self->{res}->{code} .= $self->{tabs};
  97                 $self->{res}->{code} .= $d;
  98         }
  99         $self->{res}->{code} .="\n";
 100 }
 101
 102 sub pidl_hdr($$) { my ($self,$x) = @_; $self->{res}->{hdr} .= "$x\n"; }
 103 sub pidl_def($$) { my ($self,$x) = @_; $self->{res}->{def} .= "$x\n"; }
 104
 105 sub indent($)
 106 {
 107         my ($self) = @_;
 108         $self->{tabs} .= "\t";
 109 }
 110
 111 sub deindent($)
 112 {
 113         my ($self) = @_;
 114         $self->{tabs} = substr($self->{tabs}, 0, -1);
 115 }
 116
 117 sub PrintIdl($$)
 118 {
 119         my ($self, $idl) = @_;
 120
 121         foreach (split /\n/, $idl) {
 122                 $self->pidl_code("/* IDL: $_ */");
 123         }
 124
 125         $self->pidl_code("");
 126 }
 127
 128 #####################################################################
 129 # parse the interface definitions
 130 sub Interface($$)
 131 {
 132         my($self, $interface) = @_;
 133         $self->Const($_,$interface->{NAME}) foreach (@{$interface->{CONSTS}});
 134         $self->Type($_, $_->{NAME}, $interface->{NAME}) foreach (@{$interface->{TYPES}});
 135         $self->Function($_,$interface->{NAME}) foreach (@{$interface->{FUNCTIONS}});
 136 }
 137
 138 sub Enum($$$$)
 139 {
 140         my ($self, $e,$name,$ifname) = @_;
 141         my $valsstring = "$ifname\_$name\_vals";
 142         my $dissectorname = "$ifname\_dissect\_enum\_".StripPrefixes($name, $self->{conformance}->{strip_prefixes});
 143
 144         return if (defined($self->{conformance}->{noemit}->{StripPrefixes($name, $self->{conformance}->{strip_prefixes})}));
 145
 146         foreach (@{$e->{ELEMENTS}}) {
 147                 if (/([^=]*)=(.*)/) {
 148                         $self->pidl_hdr("#define $1 ($2)");
 149                 }
 150         }
 151
 152         $self->pidl_hdr("extern const value_string $valsstring\[];");
 153         $self->pidl_hdr("int $dissectorname(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *tree _U_, guint8 *drep _U_, int hf_index _U_, guint32 *param _U_);");
 154
 155         $self->pidl_def("const value_string ".$valsstring."[] = {");
 156         foreach (@{$e->{ELEMENTS}}) {
 157                 next unless (/([^=]*)=(.*)/);
 158                 $self->pidl_def("\t{ $1, \"$1\" },");
 159         }
 160
 161         $self->pidl_def("{ 0, NULL }");
 162         $self->pidl_def("};");
 163
 164         $self->pidl_fn_start($dissectorname);
 165         $self->pidl_code("int");
 166         $self->pidl_code("$dissectorname(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *tree _U_, guint8 *drep _U_, int hf_index _U_, guint32 *param _U_)");
 167         $self->pidl_code("{");
 168         $self->indent;
 169         $self->pidl_code("g$e->{BASE_TYPE} parameter=0;");
 170         $self->pidl_code("if(param){");
 171         $self->indent;
 172         $self->pidl_code("parameter=(g$e->{BASE_TYPE})*param;");
 173         $self->deindent;
 174         $self->pidl_code("}");
 175         $self->pidl_code("offset = dissect_ndr_$e->{BASE_TYPE}(tvb, offset, pinfo, tree, drep, hf_index, &parameter);");
 176         $self->pidl_code("if(param){");
 177         $self->indent;
 178         $self->pidl_code("*param=(guint32)parameter;");
 179         $self->deindent;
 180         $self->pidl_code("}");
 181         $self->pidl_code("return offset;");
 182         $self->deindent;
 183         $self->pidl_code("}\n");
 184         $self->pidl_fn_end($dissectorname);
 185
 186         my $enum_size = $e->{BASE_TYPE};
 187         $enum_size =~ s/uint//g;
 188         $self->register_type($name, "offset = $dissectorname(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);", "FT_UINT$enum_size", "BASE_DEC", "0", "VALS($valsstring)", $enum_size / 8);
 189 }
 190
 191 sub Bitmap($$$$)
 192 {
 193         my ($self,$e,$name,$ifname) = @_;
 194         my $dissectorname = "$ifname\_dissect\_bitmap\_".StripPrefixes($name, $self->{conformance}->{strip_prefixes});
 195
 196         $self->register_ett("ett_$ifname\_$name");
 197
 198         $self->pidl_hdr("int $dissectorname(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *tree _U_, guint8 *drep _U_, int hf_index _U_, guint32 param _U_);");
 199
 200         $self->pidl_fn_start($dissectorname);
 201         $self->pidl_code("int");
 202         $self->pidl_code("$dissectorname(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *parent_tree _U_, guint8 *drep _U_, int hf_index _U_, guint32 param _U_)");
 203         $self->pidl_code("{");
 204         $self->indent;
 205         $self->pidl_code("proto_item *item = NULL;");
 206         $self->pidl_code("proto_tree *tree = NULL;");
 207         $self->pidl_code("");
 208
 209         $self->pidl_code("g$e->{BASE_TYPE} flags;");
 210         if ($e->{ALIGN} > 1) {
 211                 $self->pidl_code("ALIGN_TO_$e->{ALIGN}_BYTES;");
 212         }
 213
 214         $self->pidl_code("");
 215
 216         $self->pidl_code("if (parent_tree) {");
 217         $self->indent;
 218         $self->pidl_code("item = proto_tree_add_item(parent_tree, hf_index, tvb, offset, $e->{ALIGN}, TRUE);");
 219         $self->pidl_code("tree = proto_item_add_subtree(item,ett_$ifname\_$name);");
 220         $self->deindent;
 221         $self->pidl_code("}\n");
 222
 223         $self->pidl_code("offset = dissect_ndr_$e->{BASE_TYPE}(tvb, offset, pinfo, NULL, drep, -1, &flags);");
 224
 225         $self->pidl_code("proto_item_append_text(item, \": \");\n");
 226         $self->pidl_code("if (!flags)");
 227         $self->pidl_code("\tproto_item_append_text(item, \"(No values set)\");\n");
 228
 229         foreach (@{$e->{ELEMENTS}}) {
 230                 next unless (/([^ ]*) (.*)/);
 231                 my ($en,$ev) = ($1,$2);
 232                 my $hf_bitname = "hf_$ifname\_$name\_$en";
 233                 my $filtername = "$ifname\.$name\.$en";
 234
 235                 $self->{hf_used}->{$hf_bitname} = 1;
 236
 237                 $self->register_hf_field($hf_bitname, field2name($en), $filtername, "FT_BOOLEAN", $e->{ALIGN} * 8, "TFS(&$name\_$en\_tfs)", $ev, "");
 238
 239                 $self->pidl_def("static const true_false_string $name\_$en\_tfs = {");
 240                 if (defined($self->{conformance}->{tfs}->{$hf_bitname})) {
 241                         $self->pidl_def("   $self->{conformance}->{tfs}->{$hf_bitname}->{TRUE_STRING},");
 242                         $self->pidl_def("   $self->{conformance}->{tfs}->{$hf_bitname}->{FALSE_STRING},");
 243                         $self->{conformance}->{tfs}->{$hf_bitname}->{USED} = 1;
 244                 } else {
 245                         $self->pidl_def("   \"$en is SET\",");
 246                         $self->pidl_def("   \"$en is NOT SET\",");
 247                 }
 248                 $self->pidl_def("};");
 249
 250                 $self->pidl_code("proto_tree_add_boolean(tree, $hf_bitname, tvb, offset-$e->{ALIGN}, $e->{ALIGN}, flags);");
 251                 $self->pidl_code("if (flags&$ev){");
 252                 $self->pidl_code("\tproto_item_append_text(item, \"$en\");");
 253                 $self->pidl_code("\tif (flags & (~$ev))");
 254                 $self->pidl_code("\t\tproto_item_append_text(item, \", \");");
 255                 $self->pidl_code("}");
 256                 $self->pidl_code("flags&=(~$ev);");
 257                 $self->pidl_code("");
 258         }
 259
 260         $self->pidl_code("if (flags) {");
 261         $self->pidl_code("\tproto_item_append_text(item, \"Unknown bitmap value 0x%x\", flags);");
 262         $self->pidl_code("}\n");
 263         $self->pidl_code("return offset;");
 264         $self->deindent;
 265         $self->pidl_code("}\n");
 266         $self->pidl_fn_end($dissectorname);
 267
 268         my $size = $e->{BASE_TYPE};
 269         $size =~ s/uint//g;
 270         $self->register_type($name, "offset = $dissectorname(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);", "FT_UINT$size", "BASE_HEX", "0", "NULL", $size/8);
 271 }
 272
 273 sub ElementLevel($$$$$$$)
 274 {
 275         my ($self,$e,$l,$hf,$myname,$pn,$ifname) = @_;
 276
 277         my $param = 0;
 278
 279         if (defined($self->{conformance}->{dissectorparams}->{$myname})) {
 280                 $param = $self->{conformance}->{dissectorparams}->{$myname}->{PARAM};
 281         }
 282
 283         if ($l->{TYPE} eq "POINTER") {
 284                 my $type;
 285                 if ($l->{LEVEL} eq "TOP") {
 286                         $type = "toplevel";
 287                 } elsif ($l->{LEVEL} eq "EMBEDDED") {
 288                         $type = "embedded";
 289                 }
 290                 $self->pidl_code("offset = dissect_ndr_$type\_pointer(tvb, offset, pinfo, tree, drep, $myname\_, $ptrtype_mappings{$l->{POINTER_TYPE}}, \"Pointer to ".field2name(StripPrefixes($e->{NAME}, $self->{conformance}->{strip_prefixes})) . " ($e->{TYPE})\",$hf);");
 291         } elsif ($l->{TYPE} eq "ARRAY") {
 292                 if ($l->{IS_INLINE}) {
 293                         error($e->{ORIGINAL}, "Inline arrays not supported");
 294                 } elsif ($l->{IS_FIXED}) {
 295                         $self->pidl_code("int i;");
 296                         $self->pidl_code("for (i = 0; i < $l->{SIZE_IS}; i++)");
 297                         $self->pidl_code("\toffset = $myname\_(tvb, offset, pinfo, tree, drep);");
 298                 } else {
 299                         my $type = "";
 300                         $type .= "c" if ($l->{IS_CONFORMANT});
 301                         $type .= "v" if ($l->{IS_VARYING});
 302
 303                         unless ($l->{IS_ZERO_TERMINATED}) {
 304                                 $self->pidl_code("offset = dissect_ndr_u" . $type . "array(tvb, offset, pinfo, tree, drep, $myname\_);");
 305                         } else {
 306                                 my $nl = GetNextLevel($e,$l);
 307                                 $self->pidl_code("char *data;");
 308                                 $self->pidl_code("");
 309                                 $self->pidl_code("offset = dissect_ndr_$type" . "string(tvb, offset, pinfo, tree, drep, sizeof(g$nl->{DATA_TYPE}), $hf, FALSE, &data);");
 310                                 $self->pidl_code("proto_item_append_text(tree, \": %s\", data);");
 311                         }
 312                 }
 313         } elsif ($l->{TYPE} eq "DATA") {
 314                 if ($l->{DATA_TYPE} eq "string") {
 315                         my $bs = 2; # Byte size defaults to that of UCS2
 316
 317
 318                         ($bs = 1) if (property_matches($e, "flag", ".*LIBNDR_FLAG_STR_ASCII.*"));
 319
 320                         if (property_matches($e, "flag", ".*LIBNDR_FLAG_STR_SIZE4.*") and property_matches($e, "flag", ".*LIBNDR_FLAG_STR_LEN4.*")) {
 321                                 $self->pidl_code("char *data;\n");
 322                                 $self->pidl_code("offset = dissect_ndr_cvstring(tvb, offset, pinfo, tree, drep, $bs, $hf, FALSE, &data);");
 323                                 $self->pidl_code("proto_item_append_text(tree, \": %s\", data);");
 324                         } elsif (property_matches($e, "flag", ".*LIBNDR_FLAG_STR_SIZE4.*")) {
 325                                 $self->pidl_code("offset = dissect_ndr_vstring(tvb, offset, pinfo, tree, drep, $bs, $hf, FALSE, NULL);");
 326                         } else {
 327                                 warn("Unable to handle string with flags $e->{PROPERTIES}->{flag}");
 328                         }
 329                 } else {
 330                         my $call;
 331
 332                         if ($self->{conformance}->{imports}->{$l->{DATA_TYPE}}) {
 333                                 $call = $self->{conformance}->{imports}->{$l->{DATA_TYPE}}->{DATA};
 334                                 $self->{conformance}->{imports}->{$l->{DATA_TYPE}}->{USED} = 1;
 335                         } elsif (defined($self->{conformance}->{imports}->{"$pn.$e->{NAME}"})) {
 336                                 $call = $self->{conformance}->{imports}->{"$pn.$e->{NAME}"}->{DATA};
 337                                 $self->{conformance}->{imports}->{"$pn.$e->{NAME}"}->{USED} = 1;
 338
 339                         } elsif (defined($self->{conformance}->{types}->{$l->{DATA_TYPE}})) {
 340                                 $call= $self->{conformance}->{types}->{$l->{DATA_TYPE}}->{DISSECTOR_NAME};
 341                                 $self->{conformance}->{types}->{$l->{DATA_TYPE}}->{USED} = 1;
 342                         } else {
 343                                 $self->pidl_code("offset = $ifname\_dissect_struct_" . $l->{DATA_TYPE} . "(tvb,offset,pinfo,tree,drep,$hf,$param);");
 344
 345                                 return;
 346                         }
 347
 348                         $call =~ s/\@HF\@/$hf/g;
 349                         $call =~ s/\@PARAM\@/$param/g;
 350                         $self->pidl_code($call);
 351                 }
 352         } elsif ($_->{TYPE} eq "SUBCONTEXT") {
 353                 my $num_bits = ($l->{HEADER_SIZE}*8);
 354                 $self->pidl_code("guint$num_bits size;");
 355                 $self->pidl_code("int start_offset = offset;");
 356                 $self->pidl_code("tvbuff_t *subtvb;");
 357                 $self->pidl_code("offset = dissect_ndr_uint$num_bits(tvb, offset, pinfo, tree, drep, $hf, &size);");
 358                 $self->pidl_code("proto_tree_add_text(tree, tvb, start_offset, offset - start_offset + size, \"Subcontext size\");");
 359
 360                 $self->pidl_code("subtvb = tvb_new_subset(tvb, offset, size, -1);");
 361                 $self->pidl_code("$myname\_(subtvb, 0, pinfo, tree, drep);");
 362         } else {
 363                 die("Unknown type `$_->{TYPE}'");
 364         }
 365 }
 366
 367 sub Element($$$)
 368 {
 369         my ($self,$e,$pn,$ifname) = @_;
 370
 371         my $dissectorname = "$ifname\_dissect\_element\_".StripPrefixes($pn, $self->{conformance}->{strip_prefixes})."\_".StripPrefixes($e->{NAME}, $self->{conformance}->{strip_prefixes});
 372
 373         my $call_code = "offset = $dissectorname(tvb, offset, pinfo, tree, drep);";
 374
 375         my $type = $self->find_type($e->{TYPE});
 376
 377         if (not defined($type)) {
 378                 # default settings
 379                 $type = {
 380                         MASK => 0,
 381                         VALSSTRING => "NULL",
 382                         FT_TYPE => "FT_NONE",
 383                         BASE_TYPE => "BASE_HEX"
 384                 };
 385         }
 386
 387         if (ContainsString($e)) {
 388                 $type = {
 389                         MASK => 0,
 390                         VALSSTRING => "NULL",
 391                         FT_TYPE => "FT_STRING",
 392                         BASE_TYPE => "BASE_DEC"
 393                 };
 394         }
 395
 396         my $hf = $self->register_hf_field("hf_$ifname\_$pn\_$e->{NAME}", field2name($e->{NAME}), "$ifname.$pn.$e->{NAME}", $type->{FT_TYPE}, $type->{BASE_TYPE}, $type->{VALSSTRING}, $type->{MASK}, "");
 397         $self->{hf_used}->{$hf} = 1;
 398
 399         my $eltname = StripPrefixes($pn, $self->{conformance}->{strip_prefixes}) . ".$e->{NAME}";
 400         if (defined($self->{conformance}->{noemit}->{$eltname})) {
 401                 return $call_code;
 402         }
 403
 404         my $add = "";
 405
 406         foreach (@{$e->{LEVELS}}) {
 407                 next if ($_->{TYPE} eq "SWITCH");
 408                 $self->pidl_def("static int $dissectorname$add(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *tree _U_, guint8 *drep _U_);");
 409                 $self->pidl_fn_start("$dissectorname$add");
 410                 $self->pidl_code("static int");
 411                 $self->pidl_code("$dissectorname$add(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *tree _U_, guint8 *drep _U_)");
 412                 $self->pidl_code("{");
 413                 $self->indent;
 414
 415                 $self->ElementLevel($e,$_,$hf,$dissectorname.$add,$pn,$ifname);
 416
 417                 $self->pidl_code("");
 418                 $self->pidl_code("return offset;");
 419                 $self->deindent;
 420                 $self->pidl_code("}\n");
 421                 $self->pidl_fn_end("$dissectorname$add");
 422                 $add.="_";
 423                 last if ($_->{TYPE} eq "ARRAY" and $_->{IS_ZERO_TERMINATED});
 424         }
 425
 426         return $call_code;
 427 }
 428
 429 sub Function($$$)
 430 {
 431         my ($self, $fn,$ifname) = @_;
 432
 433         my %dissectornames;
 434
 435         foreach (@{$fn->{ELEMENTS}}) {
 436             $dissectornames{$_->{NAME}} = $self->Element($_, $fn->{NAME}, $ifname) if not defined($dissectornames{$_->{NAME}});
 437         }
 438
 439         my $fn_name = $_->{NAME};
 440         $fn_name =~ s/^${ifname}_//;
 441
 442         $self->PrintIdl(DumpFunction($fn->{ORIGINAL}));
 443         $self->pidl_fn_start("$ifname\_dissect\_$fn_name\_response");
 444         $self->pidl_code("static int");
 445         $self->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_)");
 446         $self->pidl_code("{");
 447         $self->indent;
 448         if ( not defined($fn->{RETURN_TYPE})) {
 449         } elsif ($fn->{RETURN_TYPE} eq "NTSTATUS" or $fn->{RETURN_TYPE} eq "WERROR")
 450         {
 451                 $self->pidl_code("guint32 status;\n");
 452         } elsif (my $type = getType($fn->{RETURN_TYPE})) {
 453                 if ($type->{DATA}->{TYPE} eq "ENUM") {
 454                         $self->pidl_code("g".Parse::Pidl::Typelist::enum_type_fn($type->{DATA}) . " status;\n");
 455                 } elsif ($type->{DATA}->{TYPE} eq "SCALAR") {
 456                         $self->pidl_code("g$fn->{RETURN_TYPE} status;\n");
 457                 } else {
 458                 error($fn, "return type `$fn->{RETURN_TYPE}' not yet supported");
 459                 }
 460         } else {
 461                 error($fn, "unknown return type `$fn->{RETURN_TYPE}'");
 462         }
 463
 464         $self->pidl_code("pinfo->dcerpc_procedure_name=\"${fn_name}\";");
 465         foreach (@{$fn->{ELEMENTS}}) {
 466                 if (grep(/out/,@{$_->{DIRECTION}})) {
 467                         $self->pidl_code("$dissectornames{$_->{NAME}}");
 468                         $self->pidl_code("offset = dissect_deferred_pointers(pinfo, tvb, offset, drep);");
 469                         $self->pidl_code("");
 470                 }
 471         }
 472
 473         if (not defined($fn->{RETURN_TYPE})) {
 474         } elsif ($fn->{RETURN_TYPE} eq "NTSTATUS") {
 475                 $self->pidl_code("offset = dissect_ntstatus(tvb, offset, pinfo, tree, drep, hf\_$ifname\_status, &status);\n");
 476                 $self->pidl_code("if (status != 0 && check_col(pinfo->cinfo, COL_INFO))");
 477                 $self->pidl_code("\tcol_append_fstr(pinfo->cinfo, COL_INFO, \", Error: %s\", val_to_str(status, NT_errors, \"Unknown NT status 0x%08x\"));\n");
 478                 $return_types{$ifname}->{"status"} = ["NTSTATUS", "NT Error"];
 479         } elsif ($fn->{RETURN_TYPE} eq "WERROR") {
 480                 $self->pidl_code("offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep, hf\_$ifname\_werror, &status);\n");
 481                 $self->pidl_code("if (status != 0 && check_col(pinfo->cinfo, COL_INFO))");
 482                 $self->pidl_code("\tcol_append_fstr(pinfo->cinfo, COL_INFO, \", Error: %s\", val_to_str(status, WERR_errors, \"Unknown DOS error 0x%08x\"));\n");
 483
 484                 $return_types{$ifname}->{"werror"} = ["WERROR", "Windows Error"];
 485         } elsif (my $type = getType($fn->{RETURN_TYPE})) {
 486                 if ($type->{DATA}->{TYPE} eq "ENUM") {
 487                         my $return_type = "g".Parse::Pidl::Typelist::enum_type_fn($type->{DATA});
 488                         my $return_dissect = "dissect_ndr_" .Parse::Pidl::Typelist::enum_type_fn($type->{DATA});
 489
 490                         $self->pidl_code("offset = $return_dissect(tvb, offset, pinfo, tree, drep, hf\_$ifname\_$fn->{RETURN_TYPE}_status, &status);");
 491                         $self->pidl_code("if (status != 0 && check_col(pinfo->cinfo, COL_INFO))");
 492                         $self->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");
 493                         $return_types{$ifname}->{$fn->{RETURN_TYPE}."_status"} = [$fn->{RETURN_TYPE}, $fn->{RETURN_TYPE}];
 494                 } elsif ($type->{DATA}->{TYPE} eq "SCALAR") {
 495                         $self->pidl_code("offset = dissect_ndr_$fn->{RETURN_TYPE}(tvb, offset, pinfo, tree, drep, hf\_$ifname\_$fn->{RETURN_TYPE}_status, &status);");
 496                         $self->pidl_code("if (status != 0 && check_col(pinfo->cinfo, COL_INFO))");
 497                         $self->pidl_code("\tcol_append_fstr(pinfo->cinfo, COL_INFO, \", Status: %d\", status);\n");
 498                         $return_types{$ifname}->{$fn->{RETURN_TYPE}."_status"} = [$fn->{RETURN_TYPE}, $fn->{RETURN_TYPE}];
 499                 }
 500         }
 501
 502         $self->pidl_code("return offset;");
 503         $self->deindent;
 504         $self->pidl_code("}\n");
 505         $self->pidl_fn_end("$ifname\_dissect\_$fn_name\_response");
 506
 507         $self->pidl_fn_start("$ifname\_dissect\_$fn_name\_request");
 508         $self->pidl_code("static int");
 509         $self->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_)");
 510         $self->pidl_code("{");
 511         $self->indent;
 512         $self->pidl_code("pinfo->dcerpc_procedure_name=\"${fn_name}\";");
 513         foreach (@{$fn->{ELEMENTS}}) {
 514                 if (grep(/in/,@{$_->{DIRECTION}})) {
 515                         $self->pidl_code("$dissectornames{$_->{NAME}}");
 516                         $self->pidl_code("offset = dissect_deferred_pointers(pinfo, tvb, offset, drep);");
 517                 }
 518
 519         }
 520
 521         $self->pidl_code("return offset;");
 522         $self->deindent;
 523         $self->pidl_code("}\n");
 524         $self->pidl_fn_end("$ifname\_dissect\_$fn_name\_request");
 525 }
 526
 527 sub Struct($$$$)
 528 {
 529         my ($self,$e,$name,$ifname) = @_;
 530         my $dissectorname = "$ifname\_dissect\_struct\_".StripPrefixes($name, $self->{conformance}->{strip_prefixes});
 531
 532         return if (defined($self->{conformance}->{noemit}->{StripPrefixes($name, $self->{conformance}->{strip_prefixes})}));
 533
 534         $self->register_ett("ett_$ifname\_$name");
 535
 536         my $res = "";
 537         ($res.="\t".$self->Element($_, $name, $ifname)."\n\n") foreach (@{$e->{ELEMENTS}});
 538
 539         $self->pidl_hdr("int $dissectorname(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *parent_tree _U_, guint8 *drep _U_, int hf_index _U_, guint32 param _U_);");
 540
 541         $self->pidl_fn_start($dissectorname);
 542         $self->pidl_code("int");
 543         $self->pidl_code("$dissectorname(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *parent_tree _U_, guint8 *drep _U_, int hf_index _U_, guint32 param _U_)");
 544         $self->pidl_code("{");
 545         $self->indent;
 546         $self->pidl_code("proto_item *item = NULL;");
 547         $self->pidl_code("proto_tree *tree = NULL;");
 548         $self->pidl_code("int old_offset;");
 549         $self->pidl_code("");
 550
 551         if ($e->{ALIGN} > 1) {
 552                 $self->pidl_code("ALIGN_TO_$e->{ALIGN}_BYTES;");
 553         }
 554         $self->pidl_code("");
 555
 556         $self->pidl_code("old_offset = offset;");
 557         $self->pidl_code("");
 558         $self->pidl_code("if (parent_tree) {");
 559         $self->indent;
 560         $self->pidl_code("item = proto_tree_add_item(parent_tree, hf_index, tvb, offset, -1, TRUE);");
 561         $self->pidl_code("tree = proto_item_add_subtree(item, ett_$ifname\_$name);");
 562         $self->deindent;
 563         $self->pidl_code("}");
 564
 565         $self->pidl_code("\n$res");
 566
 567         $self->pidl_code("proto_item_set_len(item, offset-old_offset);\n");
 568         $self->pidl_code("return offset;");
 569         $self->deindent;
 570         $self->pidl_code("}\n");
 571         $self->pidl_fn_end($dissectorname);
 572
 573         $self->register_type($name, "offset = $dissectorname(tvb,offset,pinfo,tree,drep,\@HF\@,\@PARAM\@);", "FT_NONE", "BASE_NONE", 0, "NULL", 0);
 574 }
 575
 576 sub Union($$$$)
 577 {
 578         my ($self,$e,$name,$ifname) = @_;
 579
 580         my $dissectorname = "$ifname\_dissect_".StripPrefixes($name, $self->{conformance}->{strip_prefixes});
 581
 582         return if (defined($self->{conformance}->{noemit}->{StripPrefixes($name, $self->{conformance}->{strip_prefixes})}));
 583
 584         $self->register_ett("ett_$ifname\_$name");
 585
 586         my $res = "";
 587         foreach (@{$e->{ELEMENTS}}) {
 588                 $res.="\n\t\t$_->{CASE}:\n";
 589                 if ($_->{TYPE} ne "EMPTY") {
 590                         $res.="\t\t\t".$self->Element($_, $name, $ifname)."\n";
 591                 }
 592                 $res.="\t\tbreak;\n";
 593         }
 594
 595         my $switch_type;
 596         my $switch_dissect;
 597         my $switch_dt = getType($e->{SWITCH_TYPE});
 598         if ($switch_dt->{DATA}->{TYPE} eq "ENUM") {
 599                 $switch_type = "g".Parse::Pidl::Typelist::enum_type_fn($switch_dt->{DATA});
 600                 $switch_dissect = "dissect_ndr_" .Parse::Pidl::Typelist::enum_type_fn($switch_dt->{DATA});
 601         } elsif ($switch_dt->{DATA}->{TYPE} eq "SCALAR") {
 602                 $switch_type = "g$e->{SWITCH_TYPE}";
 603                 $switch_dissect = "dissect_ndr_$e->{SWITCH_TYPE}";
 604         }
 605
 606         $self->pidl_fn_start($dissectorname);
 607         $self->pidl_code("static int");
 608         $self->pidl_code("$dissectorname(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *parent_tree _U_, guint8 *drep _U_, int hf_index _U_, guint32 param _U_)");
 609         $self->pidl_code("{");
 610         $self->indent;
 611         $self->pidl_code("proto_item *item = NULL;");
 612         $self->pidl_code("proto_tree *tree = NULL;");
 613         $self->pidl_code("int old_offset;");
 614         $self->pidl_code("$switch_type level;");
 615         $self->pidl_code("");
 616
 617         $self->pidl_code("old_offset = offset;");
 618         $self->pidl_code("if (parent_tree) {");
 619         $self->indent;
 620         $self->pidl_code("item = proto_tree_add_text(parent_tree, tvb, offset, -1, \"$name\");");
 621         $self->pidl_code("tree = proto_item_add_subtree(item, ett_$ifname\_$name);");
 622         $self->deindent;
 623         $self->pidl_code("}");
 624
 625         $self->pidl_code("");
 626
 627         $self->pidl_code("offset = $switch_dissect(tvb, offset, pinfo, tree, drep, hf_index, &level);");
 628
 629         if ($e->{ALIGN} > 1) {
 630                 $self->pidl_code("ALIGN_TO_$e->{ALIGN}_BYTES;");
 631                 $self->pidl_code("");
 632         }
 633
 634
 635         $self->pidl_code("switch(level) {$res\t}");
 636         $self->pidl_code("proto_item_set_len(item, offset-old_offset);\n");
 637         $self->pidl_code("return offset;");
 638         $self->deindent;
 639         $self->pidl_code("}");
 640         $self->pidl_fn_end($dissectorname);
 641
 642         $self->register_type($name, "offset = $dissectorname(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);", "FT_NONE", "BASE_NONE", 0, "NULL", 0);
 643 }
 644
 645 sub Const($$$)
 646 {
 647         my ($self,$const,$ifname) = @_;
 648
 649         if (!defined($const->{ARRAY_LEN}[0])) {
 650                 $self->pidl_hdr("#define $const->{NAME}\t( $const->{VALUE} )\n");
 651         } else {
 652                 $self->pidl_hdr("#define $const->{NAME}\t $const->{VALUE}\n");
 653         }
 654 }
 655
 656 sub Typedef($$$$)
 657 {
 658         my ($self,$e,$name,$ifname) = @_;
 659
 660         $self->Type($e->{DATA}, $name, $ifname);
 661 }
 662
 663 sub Type($$$$)
 664 {
 665         my ($self, $e, $name, $ifname) = @_;
 666
 667         $self->PrintIdl(DumpType($e->{ORIGINAL}));
 668
 669         {
 670                 ENUM => \&Enum,
 671                 STRUCT => \&Struct,
 672                 UNION => \&Union,
 673                 BITMAP => \&Bitmap,
 674                 TYPEDEF => \&Typedef
 675         }->{$e->{TYPE}}->($self, $e, $name, $ifname);
 676 }
 677
 678 sub RegisterInterface($$)
 679 {
 680         my ($self, $x) = @_;
 681
 682         $self->pidl_fn_start("proto_register_dcerpc_$x->{NAME}");
 683         $self->pidl_code("void proto_register_dcerpc_$x->{NAME}(void)");
 684         $self->pidl_code("{");
 685         $self->indent;
 686
 687         $self->{res}->{code}.=$self->DumpHfList()."\n";
 688         $self->{res}->{code}.="\n".DumpEttList($self->{ett})."\n";
 689
 690         if (defined($x->{UUID})) {
 691             # These can be changed to non-pidl_code names if the old dissectors
 692             # in epan/dissctors are deleted.
 693
 694             my $name = uc($x->{NAME}) . " (pidl)";
 695             my $short_name = uc($x->{NAME});
 696             my $filter_name = $x->{NAME};
 697
 698             if (has_property($x, "helpstring")) {
 699                 $name = $x->{PROPERTIES}->{helpstring};
 700             }
 701
 702             if (defined($self->{conformance}->{protocols}->{$x->{NAME}})) {
 703                 $short_name = $self->{conformance}->{protocols}->{$x->{NAME}}->{SHORTNAME};
 704                 $name = $self->{conformance}->{protocols}->{$x->{NAME}}->{LONGNAME};
 705                 $filter_name = $self->{conformance}->{protocols}->{$x->{NAME}}->{FILTERNAME};
 706             }
 707
 708             $self->pidl_code("proto_dcerpc_$x->{NAME} = proto_register_protocol(".make_str($name).", ".make_str($short_name).", ".make_str($filter_name).");");
 709
 710             $self->pidl_code("proto_register_field_array(proto_dcerpc_$x->{NAME}, hf, array_length (hf));");
 711             $self->pidl_code("proto_register_subtree_array(ett, array_length(ett));");
 712         } else {
 713             $self->pidl_code("proto_dcerpc = proto_get_id_by_filter_name(\"dcerpc\");");
 714             $self->pidl_code("proto_register_field_array(proto_dcerpc, hf, array_length(hf));");
 715             $self->pidl_code("proto_register_subtree_array(ett, array_length(ett));");
 716         }
 717
 718         $self->deindent;
 719         $self->pidl_code("}\n");
 720         $self->pidl_fn_end("proto_register_dcerpc_$x->{NAME}");
 721 }
 722
 723 sub RegisterInterfaceHandoff($$)
 724 {
 725         my ($self,$x) = @_;
 726
 727         if (defined($x->{UUID})) {
 728                 $self->pidl_fn_start("proto_reg_handoff_dcerpc_$x->{NAME}");
 729             $self->pidl_code("void proto_reg_handoff_dcerpc_$x->{NAME}(void)");
 730             $self->pidl_code("{");
 731             $self->indent;
 732             $self->pidl_code("dcerpc_init_uuid(proto_dcerpc_$x->{NAME}, ett_dcerpc_$x->{NAME},");
 733             $self->pidl_code("\t&uuid_dcerpc_$x->{NAME}, ver_dcerpc_$x->{NAME},");
 734             $self->pidl_code("\t$x->{NAME}_dissectors, hf_$x->{NAME}_opnum);");
 735             $self->deindent;
 736             $self->pidl_code("}");
 737                 $self->pidl_fn_end("proto_reg_handoff_dcerpc_$x->{NAME}");
 738
 739                 $self->{hf_used}->{"hf_$x->{NAME}_opnum"} = 1;
 740         }
 741 }
 742
 743 sub ProcessInclude
 744 {
 745         my $self = shift;
 746         my @includes = @_;
 747         foreach (@includes) {
 748                 $self->pidl_hdr("#include \"$_\"");
 749         }
 750         $self->pidl_hdr("");
 751 }
 752
 753 sub ProcessImport
 754 {
 755         my $self = shift;
 756         my @imports = @_;
 757         foreach (@imports) {
 758                 next if($_ eq "security");
 759                 s/\.idl\"$//;
 760                 s/^\"//;
 761                 $self->pidl_hdr("#include \"packet-dcerpc-$_\.h\"");
 762         }
 763         $self->pidl_hdr("");
 764 }
 765
 766 sub ProcessInterface($$)
 767 {
 768         my ($self, $x) = @_;
 769
 770         push(@{$self->{conformance}->{strip_prefixes}}, $x->{NAME});
 771
 772         my $define = "__PACKET_DCERPC_" . uc($_->{NAME}) . "_H";
 773         $self->pidl_hdr("#ifndef $define");
 774         $self->pidl_hdr("#define $define");
 775         $self->pidl_hdr("");
 776
 777         $self->pidl_def("static gint proto_dcerpc_$x->{NAME} = -1;");
 778         $self->register_ett("ett_dcerpc_$x->{NAME}");
 779         $self->register_hf_field("hf_$x->{NAME}_opnum", "Operation", "$x->{NAME}.opnum", "FT_UINT16", "BASE_DEC", "NULL", 0, "");
 780
 781         if (defined($x->{UUID})) {
 782                 my $if_uuid = $x->{UUID};
 783
 784             $self->pidl_def("/* Version information */\n\n");
 785
 786             $self->pidl_def("static e_uuid_t uuid_dcerpc_$x->{NAME} = {");
 787             $self->pidl_def("\t0x" . substr($if_uuid, 1, 8)
 788                 . ", 0x" . substr($if_uuid, 10, 4)
 789             . ", 0x" . substr($if_uuid, 15, 4) . ",");
 790             $self->pidl_def("\t{ 0x" . substr($if_uuid, 20, 2)
 791                 . ", 0x" . substr($if_uuid, 22, 2)
 792             . ", 0x" . substr($if_uuid, 25, 2)
 793             . ", 0x" . substr($if_uuid, 27, 2)
 794             . ", 0x" . substr($if_uuid, 29, 2)
 795             . ", 0x" . substr($if_uuid, 31, 2)
 796             . ", 0x" . substr($if_uuid, 33, 2)
 797             . ", 0x" . substr($if_uuid, 35, 2) . " }");
 798             $self->pidl_def("};");
 799
 800             my $maj = $x->{VERSION};
 801             $maj =~ s/\.(.*)$//g;
 802             $self->pidl_def("static guint16 ver_dcerpc_$x->{NAME} = $maj;");
 803             $self->pidl_def("");
 804         }
 805
 806         $return_types{$x->{NAME}} = {};
 807
 808         $self->Interface($x);
 809
 810         $self->pidl_code("\n".DumpFunctionTable($x));
 811
 812         foreach (keys %{$return_types{$x->{NAME}}}) {
 813                 my ($type, $desc) = @{$return_types{$x->{NAME}}->{$_}};
 814                 my $dt = $self->find_type($type);
 815                 $dt or die("Unable to find information about return type `$type'");
 816                 $self->register_hf_field("hf_$x->{NAME}_$_", $desc, "$x->{NAME}.$_", $dt->{FT_TYPE}, "BASE_HEX", $dt->{VALSSTRING}, 0, "");
 817                 $self->{hf_used}->{"hf_$x->{NAME}_$_"} = 1;
 818         }
 819
 820         $self->RegisterInterface($x);
 821         $self->RegisterInterfaceHandoff($x);
 822
 823         $self->pidl_hdr("#endif /* $define */");
 824 }
 825
 826 sub find_type($$)
 827 {
 828         my ($self, $n) = @_;
 829
 830         return $self->{conformance}->{types}->{$n};
 831 }
 832
 833 sub register_type($$$$$$$$)
 834 {
 835         my ($self, $type,$call,$ft,$base,$mask,$vals,$length) = @_;
 836
 837         return if (defined($self->{conformance}->{types}->{$type}));
 838
 839         $self->{conformance}->{types}->{$type} = {
 840                 NAME => $type,
 841                 DISSECTOR_NAME => $call,
 842                 FT_TYPE => $ft,
 843                 BASE_TYPE => $base,
 844                 MASK => $mask,
 845                 VALSSTRING => $vals,
 846                 ALIGNMENT => $length
 847         };
 848 }
 849
 850 # Loads the default types
 851 sub Initialize($$)
 852 {
 853         my ($self, $cnf_file) = @_;
 854
 855         $self->{conformance} = {
 856                 imports => {},
 857                 header_fields=> {}
 858         };
 859
 860         ReadConformance($cnf_file, $self->{conformance}) or print STDERR "warning: No conformance file `$cnf_file'\n";
 861
 862         foreach my $bytes (qw(1 2 4 8)) {
 863                 my $bits = $bytes * 8;
 864                 $self->register_type("uint$bits", "offset = PIDL_dissect_uint$bits(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);", "FT_UINT$bits", "BASE_DEC", 0, "NULL", $bytes);
 865                 $self->register_type("int$bits", "offset = PIDL_dissect_uint$bits(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);", "FT_INT$bits", "BASE_DEC", 0, "NULL", $bytes);
 866         }
 867
 868         $self->register_type("udlong", "offset = dissect_ndr_duint32(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);", "FT_UINT64", "BASE_DEC", 0, "NULL", 4);
 869         $self->register_type("bool8", "offset = PIDL_dissect_uint8(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);","FT_INT8", "BASE_DEC", 0, "NULL", 1);
 870         $self->register_type("char", "offset = PIDL_dissect_uint8(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);","FT_INT8", "BASE_DEC", 0, "NULL", 1);
 871         $self->register_type("long", "offset = PIDL_dissect_uint32(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);","FT_INT32", "BASE_DEC", 0, "NULL", 4);
 872         $self->register_type("dlong", "offset = dissect_ndr_duint32(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);","FT_INT64", "BASE_DEC", 0, "NULL", 8);
 873         $self->register_type("GUID", "offset = dissect_ndr_uuid_t(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);","FT_GUID", "BASE_NONE", 0, "NULL", 4);
 874         $self->register_type("policy_handle", "offset = PIDL_dissect_policy_hnd(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);","FT_BYTES", "BASE_NONE", 0, "NULL", 4);
 875         $self->register_type("NTTIME", "offset = dissect_ndr_nt_NTTIME(tvb, offset, pinfo, tree, drep, \@HF\@);","FT_ABSOLUTE_TIME", "BASE_NONE", 0, "NULL", 4);
 876         $self->register_type("NTTIME_hyper", "offset = dissect_ndr_nt_NTTIME(tvb, offset, pinfo, tree, drep, \@HF\@);","FT_ABSOLUTE_TIME", "BASE_NONE", 0, "NULL", 4);
 877         $self->register_type("time_t", "offset = dissect_ndr_time_t(tvb, offset, pinfo,tree, drep, \@HF\@, NULL);","FT_ABSOLUTE_TIME", "BASE_DEC", 0, "NULL", 4);
 878         $self->register_type("NTTIME_1sec", "offset = dissect_ndr_nt_NTTIME(tvb, offset, pinfo, tree, drep, \@HF\@);", "FT_ABSOLUTE_TIME", "BASE_NONE", 0, "NULL", 4);
 879         $self->register_type("SID", "
 880                 dcerpc_info *di = (dcerpc_info *)pinfo->private_data;
 881
 882                 di->hf_index = \@HF\@;
 883
 884                 offset = dissect_ndr_nt_SID_with_options(tvb, offset, pinfo, tree, drep, param);
 885         ","FT_STRING", "BASE_DEC", 0, "NULL", 4);
 886         $self->register_type("WERROR",
 887                 "offset = PIDL_dissect_uint32(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);","FT_UINT32", "BASE_DEC", 0, "VALS(WERR_errors)", 4);
 888         $self->register_type("NTSTATUS",
 889                 "offset = PIDL_dissect_uint32(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);","FT_UINT32", "BASE_DEC", 0, "VALS(NT_errors)", 4);
 890
 891 }
 892
 893 #####################################################################
 894 # Generate Wireshark parser and header code
 895 sub Parse($$$$$)
 896 {
 897         my($self,$ndr,$idl_file,$h_filename,$cnf_file) = @_;
 898
 899         $self->Initialize($cnf_file);
 900
 901         return (undef, undef) if defined($self->{conformance}->{noemit_dissector});
 902
 903         my $notice =
 904 "/* DO NOT EDIT
 905         This filter was automatically generated
 906         from $idl_file and $cnf_file.
 907
 908         Pidl is a perl based IDL compiler for DCE/RPC idl files.
 909         It is maintained by the Samba team, not the Wireshark team.
 910         Instructions on how to download and install Pidl can be
 911         found at http://wiki.wireshark.org/Pidl
 912 */
 913
 914 ";
 915
 916         $self->pidl_hdr($notice);
 917
 918         $self->{res}->{headers} = "\n";
 919         $self->{res}->{headers} .= "#ifdef HAVE_CONFIG_H\n";
 920         $self->{res}->{headers} .= "#include \"config.h\"\n";
 921         $self->{res}->{headers} .= "#endif\n\n";
 922
 923         $self->{res}->{headers} .= "#ifdef _MSC_VER\n";
 924         $self->{res}->{headers} .= "#pragma warning(disable:4005)\n";
 925         $self->{res}->{headers} .= "#pragma warning(disable:4013)\n";
 926         $self->{res}->{headers} .= "#pragma warning(disable:4018)\n";
 927         $self->{res}->{headers} .= "#pragma warning(disable:4101)\n";
 928         $self->{res}->{headers} .= "#endif\n\n";
 929
 930         $self->{res}->{headers} .= "#include <glib.h>\n";
 931         $self->{res}->{headers} .= "#include <string.h>\n";
 932         $self->{res}->{headers} .= "#include <epan/packet.h>\n\n";
 933
 934         $self->{res}->{headers} .= "#include \"packet-dcerpc.h\"\n";
 935         $self->{res}->{headers} .= "#include \"packet-dcerpc-nt.h\"\n";
 936         $self->{res}->{headers} .= "#include \"packet-windows-common.h\"\n";
 937
 938         my $h_basename = basename($h_filename);
 939
 940         $self->{res}->{headers} .= "#include \"$h_basename\"\n";
 941         $self->pidl_code("");
 942
 943         if (defined($self->{conformance}->{ett})) {
 944                 register_ett($self,$_) foreach(@{$self->{conformance}->{ett}})
 945         }
 946
 947         # Wireshark protocol registration
 948
 949         foreach (@$ndr) {
 950                 $self->ProcessInterface($_) if ($_->{TYPE} eq "INTERFACE");
 951                 $self->ProcessImport(@{$_->{PATHS}}) if ($_->{TYPE} eq "IMPORT");
 952                 $self->ProcessInclude(@{$_->{PATHS}}) if ($_->{TYPE} eq "INCLUDE");
 953         }
 954
 955         $self->{res}->{ett} = DumpEttDeclaration($self->{ett});
 956         $self->{res}->{hf} = $self->DumpHfDeclaration();
 957
 958         my $parser = $notice;
 959         $parser.= $self->{res}->{headers};
 960         $parser.=$self->{res}->{ett};
 961         $parser.=$self->{res}->{hf};
 962         $parser.=$self->{res}->{def};
 963         if (exists ($self->{conformance}->{override})) {
 964                 $parser.=$self->{conformance}->{override};
 965         }
 966         $parser.=$self->{res}->{code};
 967
 968         my $header = "/* autogenerated by pidl */\n\n";
 969         $header.=$self->{res}->{hdr};
 970
 971         $self->CheckUsed($self->{conformance});
 972
 973         return ($parser,$header);
 974 }
 975
 976 ###############################################################################
 977 # ETT
 978 ###############################################################################
 979
 980 sub register_ett($$)
 981 {
 982         my ($self, $name) = @_;
 983
 984         push (@{$self->{ett}}, $name);
 985 }
 986
 987 sub DumpEttList
 988 {
 989         my ($ett) = @_;
 990         my $res = "\tstatic gint *ett[] = {\n";
 991         foreach (@$ett) {
 992                 $res .= "\t\t&$_,\n";
 993         }
 994
 995         return "$res\t};\n";
 996 }
 997
 998 sub DumpEttDeclaration
 999 {
1000         my ($ett) = @_;
1001         my $res = "\n/* Ett declarations */\n";
1002         foreach (@$ett) {
1003                 $res .= "static gint $_ = -1;\n";
1004         }
1005
1006         return "$res\n";
1007 }
1008
1009 ###############################################################################
1010 # HF
1011 ###############################################################################
1012
1013 sub register_hf_field($$$$$$$$$)
1014 {
1015         my ($self,$index,$name,$filter_name,$ft_type,$base_type,$valsstring,$mask,$blurb) = @_;
1016
1017         if (defined ($self->{conformance}->{hf_renames}->{$index})) {
1018                 $self->{conformance}->{hf_renames}->{$index}->{USED} = 1;
1019                 return $self->{conformance}->{hf_renames}->{$index}->{NEWNAME};
1020         }
1021
1022         $self->{conformance}->{header_fields}->{$index} = {
1023                 INDEX => $index,
1024                 NAME => $name,
1025                 FILTER => $filter_name,
1026                 FT_TYPE => $ft_type,
1027                 BASE_TYPE => $base_type,
1028                 VALSSTRING => $valsstring,
1029                 MASK => $mask,
1030                 BLURB => $blurb
1031         };
1032
1033         if ((not defined($blurb) or $blurb eq "") and
1034                         defined($self->{conformance}->{fielddescription}->{$index})) {
1035                 $self->{conformance}->{header_fields}->{$index}->{BLURB} =
1036                         $self->{conformance}->{fielddescription}->{$index}->{DESCRIPTION};
1037                 $self->{conformance}->{fielddescription}->{$index}->{USED} = 1;
1038         }
1039
1040         return $index;
1041 }
1042
1043 sub DumpHfDeclaration($)
1044 {
1045         my ($self) = @_;
1046         my $res = "";
1047
1048         $res = "\n/* Header field declarations */\n";
1049
1050         foreach (keys %{$self->{conformance}->{header_fields}})
1051         {
1052                 $res .= "static gint $_ = -1;\n";
1053         }
1054
1055         return "$res\n";
1056 }
1057
1058 sub DumpHfList($)
1059 {
1060         my ($self) = @_;
1061         my $res = "\tstatic hf_register_info hf[] = {\n";
1062
1063         foreach (values %{$self->{conformance}->{header_fields}})
1064         {
1065                 $res .= "\t{ &$_->{INDEX},
1066           { ".make_str($_->{NAME}).", ".make_str($_->{FILTER}).", $_->{FT_TYPE}, $_->{BASE_TYPE}, $_->{VALSSTRING}, $_->{MASK}, ".make_str($_->{BLURB}).", HFILL }},
1067 ";
1068         }
1069
1070         return $res."\t};\n";
1071 }
1072
1073
1074 ###############################################################################
1075 # Function table
1076 ###############################################################################
1077
1078 sub DumpFunctionTable($)
1079 {
1080         my $if = shift;
1081
1082         my $res = "static dcerpc_sub_dissector $if->{NAME}\_dissectors[] = {\n";
1083         foreach (@{$if->{FUNCTIONS}}) {
1084                 my $fn_name = $_->{NAME};
1085                 $fn_name =~ s/^$if->{NAME}_//;
1086                 $res.= "\t{ $_->{OPNUM}, \"$fn_name\",\n";
1087                 $res.= "\t   $if->{NAME}_dissect_${fn_name}_request, $if->{NAME}_dissect_${fn_name}_response},\n";
1088         }
1089
1090         $res .= "\t{ 0, NULL, NULL, NULL }\n";
1091
1092         return "$res};\n";
1093 }
1094
1095 sub CheckUsed($$)
1096 {
1097         my ($self, $conformance) = @_;
1098         foreach (values %{$conformance->{header_fields}}) {
1099                 if (not defined($self->{hf_used}->{$_->{INDEX}})) {
1100                         warning($_->{POS}, "hf field `$_->{INDEX}' not used");
1101                 }
1102         }
1103
1104         foreach (values %{$conformance->{hf_renames}}) {
1105                 if (not $_->{USED}) {
1106                         warning($_->{POS}, "hf field `$_->{OLDNAME}' not used");
1107                 }
1108         }
1109
1110         foreach (values %{$conformance->{dissectorparams}}) {
1111                 if (not $_->{USED}) {
1112                         warning($_->{POS}, "dissector param never used");
1113                 }
1114         }
1115
1116         foreach (values %{$conformance->{imports}}) {
1117                 if (not $_->{USED}) {
1118                         warning($_->{POS}, "import never used");
1119                 }
1120         }
1121
1122         foreach (values %{$conformance->{types}}) {
1123                 if (not $_->{USED} and defined($_->{POS})) {
1124                         warning($_->{POS}, "type never used");
1125                 }
1126         }
1127
1128         foreach (values %{$conformance->{fielddescription}}) {
1129                 if (not $_->{USED}) {
1130                         warning($_->{POS}, "description never used");
1131                 }
1132         }
1133
1134         foreach (values %{$conformance->{tfs}}) {
1135                 if (not $_->{USED}) {
1136                         warning($_->{POS}, "True/False description never used");
1137                 }
1138         }
1139 }
1140
1141 1;