pidl: handle hyper attribute for wireshark
[samba.git] / pidl / lib / Parse / Pidl / Wireshark / NDR.pm
1 ##################################################
2 # Wireshark 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                         } elsif (property_matches($e, "flag", ".*STR_NULLTERM.*")) {
327                                 if ($bs == 2) {
328                                         $self->pidl_code("offset = dissect_null_term_wstring(tvb, offset, pinfo, tree, drep, $hf , 0);")
329                                 } else {
330                                         $self->pidl_code("offset = dissect_null_term_string(tvb, offset, pinfo, tree, drep, $hf , 0);")
331                                 }
332                         } else {
333                                 warn("Unable to handle string with flags $e->{PROPERTIES}->{flag}");
334                         }
335                 } elsif ($l->{DATA_TYPE} eq "DATA_BLOB") {
336                         my $remain = 0;
337                         $remain = 1 if (property_matches($e->{ORIGINAL}, "flag", ".*LIBNDR_FLAG_REMAINING.*"));
338                         $self->pidl_code("offset = dissect_ndr_datablob(tvb, offset, pinfo, tree, drep, $hf, $remain);");
339                 } else {
340                         my $call;
341
342                         if ($self->{conformance}->{imports}->{$l->{DATA_TYPE}}) {
343                                 $call = $self->{conformance}->{imports}->{$l->{DATA_TYPE}}->{DATA};     
344                                 $self->{conformance}->{imports}->{$l->{DATA_TYPE}}->{USED} = 1;
345                         } elsif (defined($self->{conformance}->{imports}->{"$pn.$e->{NAME}"})) {
346                                 $call = $self->{conformance}->{imports}->{"$pn.$e->{NAME}"}->{DATA};
347                                 $self->{conformance}->{imports}->{"$pn.$e->{NAME}"}->{USED} = 1;
348                             
349                         } elsif (defined($self->{conformance}->{types}->{$l->{DATA_TYPE}})) {
350                                 $call= $self->{conformance}->{types}->{$l->{DATA_TYPE}}->{DISSECTOR_NAME};
351                                 $self->{conformance}->{types}->{$l->{DATA_TYPE}}->{USED} = 1;
352                         } else {
353                                 $self->pidl_code("offset = $ifname\_dissect_struct_" . $l->{DATA_TYPE} . "(tvb,offset,pinfo,tree,drep,$hf,$param);");
354
355                                 return;
356                         }
357
358                         $call =~ s/\@HF\@/$hf/g;
359                         $call =~ s/\@PARAM\@/$param/g;
360                         $self->pidl_code($call);
361                 }
362         } elsif ($_->{TYPE} eq "SUBCONTEXT") {
363                 my $num_bits = ($l->{HEADER_SIZE}*8);
364                 $self->pidl_code("guint$num_bits size;");
365                 $self->pidl_code("int start_offset = offset;");
366                 $self->pidl_code("tvbuff_t *subtvb;");
367                 $self->pidl_code("offset = dissect_ndr_uint$num_bits(tvb, offset, pinfo, tree, drep, $hf, &size);");
368                 $self->pidl_code("proto_tree_add_text(tree, tvb, start_offset, offset - start_offset + size, \"Subcontext size\");");
369
370                 $self->pidl_code("subtvb = tvb_new_subset(tvb, offset, size, -1);");
371                 $self->pidl_code("$myname\_(subtvb, 0, pinfo, tree, drep);");
372         } else {
373                 die("Unknown type `$_->{TYPE}'");
374         }
375 }
376
377 sub Element($$$)
378 {
379         my ($self,$e,$pn,$ifname) = @_;
380
381         my $dissectorname = "$ifname\_dissect\_element\_".StripPrefixes($pn, $self->{conformance}->{strip_prefixes})."\_".StripPrefixes($e->{NAME}, $self->{conformance}->{strip_prefixes});
382
383         my $call_code = "offset = $dissectorname(tvb, offset, pinfo, tree, drep);";
384
385         my $type = $self->find_type($e->{TYPE});
386
387         if (not defined($type)) {
388                 # default settings
389                 $type = {
390                         MASK => 0,
391                         VALSSTRING => "NULL",
392                         FT_TYPE => "FT_NONE",
393                         BASE_TYPE => "BASE_NONE"
394                 };
395         }
396
397         if (ContainsString($e)) {
398                 $type = {
399                         MASK => 0,
400                         VALSSTRING => "NULL",
401                         FT_TYPE => "FT_STRING",
402                         BASE_TYPE => "BASE_NONE"
403                 };
404         }
405
406         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}, "");
407         $self->{hf_used}->{$hf} = 1;
408
409         my $eltname = StripPrefixes($pn, $self->{conformance}->{strip_prefixes}) . ".$e->{NAME}";
410         if (defined($self->{conformance}->{noemit}->{$eltname})) {
411                 return $call_code;
412         }
413
414         my $add = "";
415
416         foreach (@{$e->{LEVELS}}) {
417                 next if ($_->{TYPE} eq "SWITCH");
418                 $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_);");
419                 $self->pidl_fn_start("$dissectorname$add");
420                 $self->pidl_code("static int");
421                 $self->pidl_code("$dissectorname$add(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *tree _U_, guint8 *drep _U_)");
422                 $self->pidl_code("{");
423                 $self->indent;
424
425                 $self->ElementLevel($e,$_,$hf,$dissectorname.$add,$pn,$ifname);
426
427                 $self->pidl_code("");
428                 $self->pidl_code("return offset;");
429                 $self->deindent;
430                 $self->pidl_code("}\n");
431                 $self->pidl_fn_end("$dissectorname$add");
432                 $add.="_";
433                 last if ($_->{TYPE} eq "ARRAY" and $_->{IS_ZERO_TERMINATED});
434         }
435
436         return $call_code;
437 }
438
439 sub Function($$$)
440 {
441         my ($self, $fn,$ifname) = @_;
442
443         my %dissectornames;
444
445         foreach (@{$fn->{ELEMENTS}}) {
446             $dissectornames{$_->{NAME}} = $self->Element($_, $fn->{NAME}, $ifname) if not defined($dissectornames{$_->{NAME}});
447         }
448         
449         my $fn_name = $_->{NAME};
450         $fn_name =~ s/^${ifname}_//;
451
452         $self->PrintIdl(DumpFunction($fn->{ORIGINAL}));
453         $self->pidl_fn_start("$ifname\_dissect\_$fn_name\_response");
454         $self->pidl_code("static int");
455         $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_)");
456         $self->pidl_code("{");
457         $self->indent;
458         if ( not defined($fn->{RETURN_TYPE})) {
459         } elsif ($fn->{RETURN_TYPE} eq "NTSTATUS" or $fn->{RETURN_TYPE} eq "WERROR") 
460         {
461                 $self->pidl_code("guint32 status;\n");
462         } elsif (my $type = getType($fn->{RETURN_TYPE})) {
463                 if ($type->{DATA}->{TYPE} eq "ENUM") {
464                         $self->pidl_code("g".Parse::Pidl::Typelist::enum_type_fn($type->{DATA}) . " status;\n");
465                 } elsif ($type->{DATA}->{TYPE} eq "SCALAR") {
466                         $self->pidl_code("g$fn->{RETURN_TYPE} status;\n");
467                 } else {
468                 error($fn, "return type `$fn->{RETURN_TYPE}' not yet supported");
469                 }
470         } else {
471                 error($fn, "unknown return type `$fn->{RETURN_TYPE}'");
472         }
473
474         $self->pidl_code("pinfo->dcerpc_procedure_name=\"${fn_name}\";");
475         foreach (@{$fn->{ELEMENTS}}) {
476                 if (grep(/out/,@{$_->{DIRECTION}})) {
477                         $self->pidl_code("$dissectornames{$_->{NAME}}");
478                         $self->pidl_code("offset = dissect_deferred_pointers(pinfo, tvb, offset, drep);");
479                         $self->pidl_code("");
480                 }
481         }
482
483         if (not defined($fn->{RETURN_TYPE})) {
484         } elsif ($fn->{RETURN_TYPE} eq "NTSTATUS") {
485                 $self->pidl_code("offset = dissect_ntstatus(tvb, offset, pinfo, tree, drep, hf\_$ifname\_status, &status);\n");
486                 $self->pidl_code("if (status != 0 && check_col(pinfo->cinfo, COL_INFO))");
487                 $self->pidl_code("\tcol_append_fstr(pinfo->cinfo, COL_INFO, \", Error: %s\", val_to_str(status, NT_errors, \"Unknown NT status 0x%08x\"));\n");
488                 $return_types{$ifname}->{"status"} = ["NTSTATUS", "NT Error"];
489         } elsif ($fn->{RETURN_TYPE} eq "WERROR") {
490                 $self->pidl_code("offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep, hf\_$ifname\_werror, &status);\n");
491                 $self->pidl_code("if (status != 0 && check_col(pinfo->cinfo, COL_INFO))");
492                 $self->pidl_code("\tcol_append_fstr(pinfo->cinfo, COL_INFO, \", Error: %s\", val_to_str(status, WERR_errors, \"Unknown DOS error 0x%08x\"));\n");
493                 
494                 $return_types{$ifname}->{"werror"} = ["WERROR", "Windows Error"];
495         } elsif (my $type = getType($fn->{RETURN_TYPE})) {
496                 if ($type->{DATA}->{TYPE} eq "ENUM") {
497                         my $return_type = "g".Parse::Pidl::Typelist::enum_type_fn($type->{DATA});
498                         my $return_dissect = "dissect_ndr_" .Parse::Pidl::Typelist::enum_type_fn($type->{DATA});
499
500                         $self->pidl_code("offset = $return_dissect(tvb, offset, pinfo, tree, drep, hf\_$ifname\_$fn->{RETURN_TYPE}_status, &status);");
501                         $self->pidl_code("if (status != 0 && check_col(pinfo->cinfo, COL_INFO))");
502                         $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");
503                         $return_types{$ifname}->{$fn->{RETURN_TYPE}."_status"} = [$fn->{RETURN_TYPE}, $fn->{RETURN_TYPE}];
504                 } elsif ($type->{DATA}->{TYPE} eq "SCALAR") {
505                         $self->pidl_code("offset = dissect_ndr_$fn->{RETURN_TYPE}(tvb, offset, pinfo, tree, drep, hf\_$ifname\_$fn->{RETURN_TYPE}_status, &status);");
506                         $self->pidl_code("if (status != 0 && check_col(pinfo->cinfo, COL_INFO))");
507                         $self->pidl_code("\tcol_append_fstr(pinfo->cinfo, COL_INFO, \", Status: %d\", status);\n");
508                         $return_types{$ifname}->{$fn->{RETURN_TYPE}."_status"} = [$fn->{RETURN_TYPE}, $fn->{RETURN_TYPE}];
509                 }
510         }
511
512         $self->pidl_code("return offset;");
513         $self->deindent;
514         $self->pidl_code("}\n");
515         $self->pidl_fn_end("$ifname\_dissect\_$fn_name\_response");
516
517         $self->pidl_fn_start("$ifname\_dissect\_$fn_name\_request");
518         $self->pidl_code("static int");
519         $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_)");
520         $self->pidl_code("{");
521         $self->indent;
522         $self->pidl_code("pinfo->dcerpc_procedure_name=\"${fn_name}\";");
523         foreach (@{$fn->{ELEMENTS}}) {
524                 if (grep(/in/,@{$_->{DIRECTION}})) {
525                         $self->pidl_code("$dissectornames{$_->{NAME}}");
526                         $self->pidl_code("offset = dissect_deferred_pointers(pinfo, tvb, offset, drep);");
527                 }
528
529         }
530
531         $self->pidl_code("return offset;");
532         $self->deindent;
533         $self->pidl_code("}\n");
534         $self->pidl_fn_end("$ifname\_dissect\_$fn_name\_request");
535 }
536
537 sub Struct($$$$)
538 {
539         my ($self,$e,$name,$ifname) = @_;
540         my $dissectorname = "$ifname\_dissect\_struct\_".StripPrefixes($name, $self->{conformance}->{strip_prefixes});
541
542         return if (defined($self->{conformance}->{noemit}->{StripPrefixes($name, $self->{conformance}->{strip_prefixes})}));
543
544         $self->register_ett("ett_$ifname\_$name");
545
546         my $res = "";
547         ($res.="\t".$self->Element($_, $name, $ifname)."\n\n") foreach (@{$e->{ELEMENTS}});
548
549         $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_);");
550
551         $self->pidl_fn_start($dissectorname);
552         $self->pidl_code("int");
553         $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_)");
554         $self->pidl_code("{");
555         $self->indent;
556         $self->pidl_code("proto_item *item = NULL;");
557         $self->pidl_code("proto_tree *tree = NULL;");
558         if ($e->{ALIGN} > 1) {
559                 $self->pidl_code("dcerpc_info *di = pinfo->private_data;");
560         }
561         $self->pidl_code("int old_offset;");
562         $self->pidl_code("");
563
564         if ($e->{ALIGN} > 1) {
565                 $self->pidl_code("ALIGN_TO_$e->{ALIGN}_BYTES;");
566         }
567         $self->pidl_code("");
568
569         $self->pidl_code("old_offset = offset;");
570         $self->pidl_code("");
571         $self->pidl_code("if (parent_tree) {");
572         $self->indent;
573         $self->pidl_code("item = proto_tree_add_item(parent_tree, hf_index, tvb, offset, -1, TRUE);");
574         $self->pidl_code("tree = proto_item_add_subtree(item, ett_$ifname\_$name);");
575         $self->deindent;
576         $self->pidl_code("}");
577
578         $self->pidl_code("\n$res");
579
580         $self->pidl_code("proto_item_set_len(item, offset-old_offset);\n");
581         if ($e->{ALIGN} > 1) {
582                 $self->pidl_code("");
583                 $self->pidl_code("if (di->call_data->flags & DCERPC_IS_NDR64) {");
584                 $self->indent;
585                 $self->pidl_code("ALIGN_TO_$e->{ALIGN}_BYTES;");
586                 $self->deindent;
587                 $self->pidl_code("}");
588         }
589         $self->pidl_code("");
590         $self->pidl_code("return offset;");
591         $self->deindent;
592         $self->pidl_code("}\n");
593         $self->pidl_fn_end($dissectorname);
594
595         $self->register_type($name, "offset = $dissectorname(tvb,offset,pinfo,tree,drep,\@HF\@,\@PARAM\@);", "FT_NONE", "BASE_NONE", 0, "NULL", 0);
596 }
597
598 sub Union($$$$)
599 {
600         my ($self,$e,$name,$ifname) = @_;
601
602         my $dissectorname = "$ifname\_dissect_".StripPrefixes($name, $self->{conformance}->{strip_prefixes});
603
604         return if (defined($self->{conformance}->{noemit}->{StripPrefixes($name, $self->{conformance}->{strip_prefixes})}));
605         
606         $self->register_ett("ett_$ifname\_$name");
607
608         my $res = "";
609         foreach (@{$e->{ELEMENTS}}) {
610                 $res.="\n\t\t$_->{CASE}:\n";
611                 if ($_->{TYPE} ne "EMPTY") {
612                         $res.="\t\t\t".$self->Element($_, $name, $ifname)."\n";
613                 }
614                 $res.="\t\tbreak;\n";
615         }
616
617         my $switch_type;
618         my $switch_dissect;
619         my $switch_dt = getType($e->{SWITCH_TYPE});
620         if ($switch_dt->{DATA}->{TYPE} eq "ENUM") {
621                 $switch_type = "g".Parse::Pidl::Typelist::enum_type_fn($switch_dt->{DATA});
622                 $switch_dissect = "dissect_ndr_" .Parse::Pidl::Typelist::enum_type_fn($switch_dt->{DATA});
623         } elsif ($switch_dt->{DATA}->{TYPE} eq "SCALAR") {
624                 $switch_type = "g$e->{SWITCH_TYPE}";
625                 $switch_dissect = "dissect_ndr_$e->{SWITCH_TYPE}";
626         }
627
628         $self->pidl_fn_start($dissectorname);
629         $self->pidl_code("static int");
630         $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_)");
631         $self->pidl_code("{");
632         $self->indent;
633         $self->pidl_code("proto_item *item = NULL;");
634         $self->pidl_code("proto_tree *tree = NULL;");
635         $self->pidl_code("int old_offset;");
636         $self->pidl_code("$switch_type level;");
637         $self->pidl_code("");
638
639         $self->pidl_code("old_offset = offset;");
640         $self->pidl_code("if (parent_tree) {");
641         $self->indent;
642         $self->pidl_code("item = proto_tree_add_text(parent_tree, tvb, offset, -1, \"$name\");");
643         $self->pidl_code("tree = proto_item_add_subtree(item, ett_$ifname\_$name);");
644         $self->deindent;
645         $self->pidl_code("}");
646
647         $self->pidl_code("");
648
649         $self->pidl_code("offset = $switch_dissect(tvb, offset, pinfo, tree, drep, hf_index, &level);");
650
651         if ($e->{ALIGN} > 1) {
652                 $self->pidl_code("ALIGN_TO_$e->{ALIGN}_BYTES;");
653                 $self->pidl_code("");
654         }
655
656
657         $self->pidl_code("switch(level) {$res\t}");
658         $self->pidl_code("proto_item_set_len(item, offset-old_offset);\n");
659         $self->pidl_code("");
660
661         $self->pidl_code("return offset;");
662         $self->deindent;
663         $self->pidl_code("}");
664         $self->pidl_fn_end($dissectorname);
665
666         $self->register_type($name, "offset = $dissectorname(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);", "FT_NONE", "BASE_NONE", 0, "NULL", 0);
667 }
668
669 sub Const($$$)
670 {
671         my ($self,$const,$ifname) = @_;
672         
673         if (!defined($const->{ARRAY_LEN}[0])) {
674                 $self->pidl_hdr("#define $const->{NAME}\t( $const->{VALUE} )\n");
675         } else {
676                 $self->pidl_hdr("#define $const->{NAME}\t $const->{VALUE}\n");
677         }
678 }
679
680 sub Typedef($$$$)
681 {
682         my ($self,$e,$name,$ifname) = @_;
683
684         $self->Type($e->{DATA}, $name, $ifname);
685 }
686
687 sub Type($$$$)
688 {
689         my ($self, $e, $name, $ifname) = @_;
690
691         $self->PrintIdl(DumpType($e->{ORIGINAL}));
692
693         {
694                 ENUM => \&Enum,
695                 STRUCT => \&Struct,
696                 UNION => \&Union,
697                 BITMAP => \&Bitmap,
698                 TYPEDEF => \&Typedef
699         }->{$e->{TYPE}}->($self, $e, $name, $ifname);
700 }
701
702 sub RegisterInterface($$)
703 {
704         my ($self, $x) = @_;
705
706         $self->pidl_fn_start("proto_register_dcerpc_$x->{NAME}");
707         $self->pidl_code("void proto_register_dcerpc_$x->{NAME}(void)");
708         $self->pidl_code("{");
709         $self->indent;
710
711         $self->{res}->{code}.=$self->DumpHfList()."\n";
712         $self->{res}->{code}.="\n".DumpEttList($self->{ett})."\n";
713         
714         if (defined($x->{UUID})) {
715             # These can be changed to non-pidl_code names if the old dissectors
716             # in epan/dissctors are deleted.
717     
718             my $name = uc($x->{NAME}) . " (pidl)";
719             my $short_name = uc($x->{NAME});
720             my $filter_name = $x->{NAME};
721
722             if (has_property($x, "helpstring")) {
723                 $name = $x->{PROPERTIES}->{helpstring};
724             }
725
726             if (defined($self->{conformance}->{protocols}->{$x->{NAME}})) {
727                 $short_name = $self->{conformance}->{protocols}->{$x->{NAME}}->{SHORTNAME};
728                 $name = $self->{conformance}->{protocols}->{$x->{NAME}}->{LONGNAME};
729                 $filter_name = $self->{conformance}->{protocols}->{$x->{NAME}}->{FILTERNAME};
730             }
731
732             $self->pidl_code("proto_dcerpc_$x->{NAME} = proto_register_protocol(".make_str($name).", ".make_str($short_name).", ".make_str($filter_name).");");
733             
734             $self->pidl_code("proto_register_field_array(proto_dcerpc_$x->{NAME}, hf, array_length (hf));");
735             $self->pidl_code("proto_register_subtree_array(ett, array_length(ett));");
736         } else {
737             $self->pidl_code("proto_dcerpc = proto_get_id_by_filter_name(\"dcerpc\");");
738             $self->pidl_code("proto_register_field_array(proto_dcerpc, hf, array_length(hf));");
739             $self->pidl_code("proto_register_subtree_array(ett, array_length(ett));");
740         }
741             
742         $self->deindent;
743         $self->pidl_code("}\n");
744         $self->pidl_fn_end("proto_register_dcerpc_$x->{NAME}");
745 }
746
747 sub RegisterInterfaceHandoff($$)
748 {
749         my ($self,$x) = @_;
750
751         if (defined($x->{UUID})) {
752                 $self->pidl_fn_start("proto_reg_handoff_dcerpc_$x->{NAME}");
753             $self->pidl_code("void proto_reg_handoff_dcerpc_$x->{NAME}(void)");
754             $self->pidl_code("{");
755             $self->indent;
756             $self->pidl_code("dcerpc_init_uuid(proto_dcerpc_$x->{NAME}, ett_dcerpc_$x->{NAME},");
757             $self->pidl_code("\t&uuid_dcerpc_$x->{NAME}, ver_dcerpc_$x->{NAME},");
758             $self->pidl_code("\t$x->{NAME}_dissectors, hf_$x->{NAME}_opnum);");
759             $self->deindent;
760             $self->pidl_code("}");
761                 $self->pidl_fn_end("proto_reg_handoff_dcerpc_$x->{NAME}");
762
763                 $self->{hf_used}->{"hf_$x->{NAME}_opnum"} = 1;
764         }
765 }
766
767 sub ProcessInclude
768 {
769         my $self = shift;
770         my @includes = @_;
771         foreach (@includes) {
772                 $self->pidl_hdr("#include \"$_\"");
773         }
774         $self->pidl_hdr("");
775 }
776
777 sub ProcessImport
778 {
779         my $self = shift;
780         my @imports = @_;
781         foreach (@imports) {
782                 next if($_ eq "security");
783                 s/^\"//;
784                 s/\.idl"?$//;
785                 $self->pidl_hdr("#include \"packet-dcerpc-$_\.h\"");
786         }
787         $self->pidl_hdr("");
788 }
789
790 sub ProcessInterface($$)
791 {
792         my ($self, $x) = @_;
793
794         push(@{$self->{conformance}->{strip_prefixes}}, $x->{NAME});
795
796         my $define = "__PACKET_DCERPC_" . uc($_->{NAME}) . "_H";
797         $self->pidl_hdr("#ifndef $define");
798         $self->pidl_hdr("#define $define");
799         $self->pidl_hdr("");
800
801         $self->pidl_def("static gint proto_dcerpc_$x->{NAME} = -1;");
802         $self->register_ett("ett_dcerpc_$x->{NAME}");
803         $self->register_hf_field("hf_$x->{NAME}_opnum", "Operation", "$x->{NAME}.opnum", "FT_UINT16", "BASE_DEC", "NULL", 0, "");
804
805         if (defined($x->{UUID})) {
806                 my $if_uuid = $x->{UUID};
807
808             $self->pidl_def("/* Version information */\n\n");
809             
810             $self->pidl_def("static e_uuid_t uuid_dcerpc_$x->{NAME} = {");
811             $self->pidl_def("\t0x" . substr($if_uuid, 1, 8) 
812                 . ", 0x" . substr($if_uuid, 10, 4)
813             . ", 0x" . substr($if_uuid, 15, 4) . ",");
814             $self->pidl_def("\t{ 0x" . substr($if_uuid, 20, 2) 
815                 . ", 0x" . substr($if_uuid, 22, 2)
816             . ", 0x" . substr($if_uuid, 25, 2)
817             . ", 0x" . substr($if_uuid, 27, 2)
818             . ", 0x" . substr($if_uuid, 29, 2)
819             . ", 0x" . substr($if_uuid, 31, 2)
820             . ", 0x" . substr($if_uuid, 33, 2)
821             . ", 0x" . substr($if_uuid, 35, 2) . " }");
822             $self->pidl_def("};");
823         
824             my $maj = $x->{VERSION};
825             $maj =~ s/\.(.*)$//g;
826             $self->pidl_def("static guint32 ver_dcerpc_$x->{NAME} = $maj;");
827             $self->pidl_def("");
828         }
829
830         $return_types{$x->{NAME}} = {};
831
832         $self->Interface($x);
833
834         $self->pidl_code("\n".DumpFunctionTable($x));
835
836         foreach (keys %{$return_types{$x->{NAME}}}) {
837                 my ($type, $desc) = @{$return_types{$x->{NAME}}->{$_}};
838                 my $dt = $self->find_type($type);
839                 $dt or die("Unable to find information about return type `$type'");
840                 $self->register_hf_field("hf_$x->{NAME}_$_", $desc, "$x->{NAME}.$_", $dt->{FT_TYPE}, "BASE_HEX", $dt->{VALSSTRING}, 0, "");
841                 $self->{hf_used}->{"hf_$x->{NAME}_$_"} = 1;
842         }
843
844         $self->RegisterInterface($x);
845         $self->RegisterInterfaceHandoff($x);
846
847         $self->pidl_hdr("#endif /* $define */");
848 }
849
850 sub find_type($$)
851 {
852         my ($self, $n) = @_;
853
854         return $self->{conformance}->{types}->{$n};
855 }
856
857 sub register_type($$$$$$$$)
858 {
859         my ($self, $type,$call,$ft,$base,$mask,$vals,$length) = @_;
860
861         return if (defined($self->{conformance}->{types}->{$type}));
862
863         $self->{conformance}->{types}->{$type} = {
864                 NAME => $type,
865                 DISSECTOR_NAME => $call,
866                 FT_TYPE => $ft,
867                 BASE_TYPE => $base,
868                 MASK => $mask,
869                 VALSSTRING => $vals,
870                 ALIGNMENT => $length
871         };
872 }
873
874 # Loads the default types
875 sub Initialize($$)
876 {
877         my ($self, $cnf_file) = @_;
878
879         $self->{conformance} = {
880                 imports => {},
881                 header_fields=> {} 
882         };
883
884         ReadConformance($cnf_file, $self->{conformance}) or print STDERR "warning: No conformance file `$cnf_file'\n";
885         
886         foreach my $bytes (qw(1 2 4 8)) {
887                 my $bits = $bytes * 8;
888                 $self->register_type("uint$bits", "offset = PIDL_dissect_uint$bits(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);", "FT_UINT$bits", "BASE_DEC", 0, "NULL", $bytes);
889                 $self->register_type("int$bits", "offset = PIDL_dissect_uint$bits(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);", "FT_INT$bits", "BASE_DEC", 0, "NULL", $bytes);
890         }
891                 
892         $self->register_type("hyper", "offset = dissect_ndr_uint64(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);", "FT_UINT64", "BASE_DEC", 0, "NULL", 8);
893         $self->register_type("udlong", "offset = dissect_ndr_duint32(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);", "FT_UINT64", "BASE_DEC", 0, "NULL", 4);
894         $self->register_type("bool8", "offset = PIDL_dissect_uint8(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);","FT_INT8", "BASE_DEC", 0, "NULL", 1);
895         $self->register_type("char", "offset = PIDL_dissect_uint8(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);","FT_INT8", "BASE_DEC", 0, "NULL", 1);
896         $self->register_type("long", "offset = PIDL_dissect_uint32(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);","FT_INT32", "BASE_DEC", 0, "NULL", 4);
897         $self->register_type("dlong", "offset = dissect_ndr_duint32(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);","FT_INT64", "BASE_DEC", 0, "NULL", 8);
898         $self->register_type("GUID", "offset = dissect_ndr_uuid_t(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);","FT_GUID", "BASE_NONE", 0, "NULL", 4);
899         $self->register_type("policy_handle", "offset = PIDL_dissect_policy_hnd(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);","FT_BYTES", "BASE_NONE", 0, "NULL", 4);
900         $self->register_type("NTTIME", "offset = dissect_ndr_nt_NTTIME(tvb, offset, pinfo, tree, drep, \@HF\@);","FT_ABSOLUTE_TIME", "ABSOLUTE_TIME_LOCAL", 0, "NULL", 4);
901         $self->register_type("NTTIME_hyper", "offset = dissect_ndr_nt_NTTIME(tvb, offset, pinfo, tree, drep, \@HF\@);","FT_ABSOLUTE_TIME", "ABSOLUTE_TIME_LOCAL", 0, "NULL", 4);
902         $self->register_type("time_t", "offset = dissect_ndr_time_t(tvb, offset, pinfo,tree, drep, \@HF\@, NULL);","FT_ABSOLUTE_TIME", "ABSOLUTE_TIME_LOCAL", 0, "NULL", 4);
903         $self->register_type("NTTIME_1sec", "offset = dissect_ndr_nt_NTTIME(tvb, offset, pinfo, tree, drep, \@HF\@);", "FT_ABSOLUTE_TIME", "ABSOLUTE_TIME_LOCAL", 0, "NULL", 4);
904         $self->register_type("SID", "
905                 dcerpc_info *di = (dcerpc_info *)pinfo->private_data;
906
907                 di->hf_index = \@HF\@;
908
909                 offset = dissect_ndr_nt_SID_with_options(tvb, offset, pinfo, tree, drep, param);
910         ","FT_STRING", "BASE_NONE", 0, "NULL", 4);
911         $self->register_type("WERROR", 
912                 "offset = PIDL_dissect_uint32(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);","FT_UINT32", "BASE_DEC", 0, "VALS(WERR_errors)", 4);
913         $self->register_type("NTSTATUS", 
914                 "offset = PIDL_dissect_uint32(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);","FT_UINT32", "BASE_DEC", 0, "VALS(NT_errors)", 4);
915
916 }
917
918 #####################################################################
919 # Generate Wireshark parser and header code
920 sub Parse($$$$$)
921 {
922         my($self,$ndr,$idl_file,$h_filename,$cnf_file) = @_;
923
924         $self->Initialize($cnf_file);
925
926         return (undef, undef) if defined($self->{conformance}->{noemit_dissector});
927
928         my $notice = 
929 "/* DO NOT EDIT
930         This filter was automatically generated
931         from $idl_file and $cnf_file.
932         
933         Pidl is a perl based IDL compiler for DCE/RPC idl files. 
934         It is maintained by the Samba team, not the Wireshark team.
935         Instructions on how to download and install Pidl can be 
936         found at http://wiki.wireshark.org/Pidl
937 */
938
939 ";
940
941         $self->pidl_hdr($notice);
942
943         $self->{res}->{headers} = "\n";
944         $self->{res}->{headers} .= "#ifdef HAVE_CONFIG_H\n";
945         $self->{res}->{headers} .= "#include \"config.h\"\n";
946         $self->{res}->{headers} .= "#endif\n\n";
947
948         $self->{res}->{headers} .= "#ifdef _MSC_VER\n";
949         $self->{res}->{headers} .= "#pragma warning(disable:4005)\n";
950         $self->{res}->{headers} .= "#pragma warning(disable:4013)\n";
951         $self->{res}->{headers} .= "#pragma warning(disable:4018)\n";
952         $self->{res}->{headers} .= "#pragma warning(disable:4101)\n";
953         $self->{res}->{headers} .= "#endif\n\n";
954
955         $self->{res}->{headers} .= "#include <glib.h>\n";
956         $self->{res}->{headers} .= "#include <string.h>\n";
957         $self->{res}->{headers} .= "#include <epan/packet.h>\n\n";
958
959         $self->{res}->{headers} .= "#include \"packet-dcerpc.h\"\n";
960         $self->{res}->{headers} .= "#include \"packet-dcerpc-nt.h\"\n";
961         $self->{res}->{headers} .= "#include \"packet-windows-common.h\"\n";
962
963         my $h_basename = basename($h_filename);
964
965         $self->{res}->{headers} .= "#include \"$h_basename\"\n";
966         $self->pidl_code("");
967
968         if (defined($self->{conformance}->{ett})) {
969                 register_ett($self,$_) foreach(@{$self->{conformance}->{ett}})
970         }
971
972         # Wireshark protocol registration
973
974         foreach (@$ndr) {
975                 $self->ProcessInterface($_) if ($_->{TYPE} eq "INTERFACE");
976                 $self->ProcessImport(@{$_->{PATHS}}) if ($_->{TYPE} eq "IMPORT");
977                 $self->ProcessInclude(@{$_->{PATHS}}) if ($_->{TYPE} eq "INCLUDE");
978         }
979
980         $self->{res}->{ett} = DumpEttDeclaration($self->{ett});
981         $self->{res}->{hf} = $self->DumpHfDeclaration();
982
983         my $parser = $notice;
984         $parser.= $self->{res}->{headers};
985         $parser.=$self->{res}->{ett};
986         $parser.=$self->{res}->{hf};
987         $parser.=$self->{res}->{def};
988         if (exists ($self->{conformance}->{override})) {
989                 $parser.=$self->{conformance}->{override};
990         }
991         $parser.=$self->{res}->{code};
992
993         my $header = "/* autogenerated by pidl */\n\n";
994         $header.=$self->{res}->{hdr};
995
996         $self->CheckUsed($self->{conformance});
997     
998         return ($parser,$header);
999 }
1000
1001 ###############################################################################
1002 # ETT
1003 ###############################################################################
1004
1005 sub register_ett($$)
1006 {
1007         my ($self, $name) = @_;
1008
1009         push (@{$self->{ett}}, $name);  
1010 }
1011
1012 sub DumpEttList
1013 {
1014         my ($ett) = @_;
1015         my $res = "\tstatic gint *ett[] = {\n";
1016         foreach (@$ett) {
1017                 $res .= "\t\t&$_,\n";
1018         }
1019
1020         return "$res\t};\n";
1021 }
1022
1023 sub DumpEttDeclaration
1024 {
1025         my ($ett) = @_;
1026         my $res = "\n/* Ett declarations */\n";
1027         foreach (@$ett) {
1028                 $res .= "static gint $_ = -1;\n";
1029         }
1030
1031         return "$res\n";
1032 }
1033
1034 ###############################################################################
1035 # HF
1036 ###############################################################################
1037
1038 sub register_hf_field($$$$$$$$$) 
1039 {
1040         my ($self,$index,$name,$filter_name,$ft_type,$base_type,$valsstring,$mask,$blurb) = @_;
1041
1042         if (defined ($self->{conformance}->{hf_renames}->{$index})) {
1043                 $self->{conformance}->{hf_renames}->{$index}->{USED} = 1;
1044                 return $self->{conformance}->{hf_renames}->{$index}->{NEWNAME};
1045         }
1046
1047         $self->{conformance}->{header_fields}->{$index} = {
1048                 INDEX => $index,
1049                 NAME => $name,
1050                 FILTER => $filter_name,
1051                 FT_TYPE => $ft_type,
1052                 BASE_TYPE => $base_type,
1053                 VALSSTRING => $valsstring,
1054                 MASK => $mask,
1055                 BLURB => $blurb
1056         };
1057
1058         if ((not defined($blurb) or $blurb eq "") and 
1059                         defined($self->{conformance}->{fielddescription}->{$index})) {
1060                 $self->{conformance}->{header_fields}->{$index}->{BLURB} = 
1061                         $self->{conformance}->{fielddescription}->{$index}->{DESCRIPTION};
1062                 $self->{conformance}->{fielddescription}->{$index}->{USED} = 1;
1063         }
1064
1065         return $index;
1066 }
1067
1068 sub DumpHfDeclaration($)
1069 {
1070         my ($self) = @_;
1071         my $res = "";
1072
1073         $res = "\n/* Header field declarations */\n";
1074
1075         foreach (keys %{$self->{conformance}->{header_fields}}) 
1076         {
1077                 $res .= "static gint $_ = -1;\n";
1078         }
1079
1080         return "$res\n";
1081 }
1082
1083 sub make_str_or_null($)
1084 {
1085       my $str = shift;
1086       if (substr($str, 0, 1) eq "\"") {
1087               $str = substr($str, 1, length($str)-2);
1088       }
1089       $str =~ s/^\s*//;
1090       $str =~ s/\s*$//;
1091       if ($str eq "") {
1092               return "NULL";
1093       }
1094       return make_str($str);
1095 }
1096
1097 sub DumpHfList($)
1098 {
1099         my ($self) = @_;
1100         my $res = "\tstatic hf_register_info hf[] = {\n";
1101
1102         foreach (values %{$self->{conformance}->{header_fields}}) 
1103         {
1104                 $res .= "\t{ &$_->{INDEX}, 
1105           { ".make_str($_->{NAME}).", ".make_str($_->{FILTER}).", $_->{FT_TYPE}, $_->{BASE_TYPE}, $_->{VALSSTRING}, $_->{MASK}, ".make_str_or_null($_->{BLURB}).", HFILL }},
1106 ";
1107         }
1108
1109         return $res."\t};\n";
1110 }
1111
1112
1113 ###############################################################################
1114 # Function table
1115 ###############################################################################
1116
1117 sub DumpFunctionTable($)
1118 {
1119         my $if = shift;
1120
1121         my $res = "static dcerpc_sub_dissector $if->{NAME}\_dissectors[] = {\n";
1122         foreach (@{$if->{FUNCTIONS}}) {
1123                 my $fn_name = $_->{NAME};
1124                 $fn_name =~ s/^$if->{NAME}_//;
1125                 $res.= "\t{ $_->{OPNUM}, \"$fn_name\",\n";
1126                 $res.= "\t   $if->{NAME}_dissect_${fn_name}_request, $if->{NAME}_dissect_${fn_name}_response},\n";
1127         }
1128
1129         $res .= "\t{ 0, NULL, NULL, NULL }\n";
1130
1131         return "$res};\n";
1132 }
1133
1134 sub CheckUsed($$)
1135 {
1136         my ($self, $conformance) = @_;
1137         foreach (values %{$conformance->{header_fields}}) {
1138                 if (not defined($self->{hf_used}->{$_->{INDEX}})) {
1139                         warning($_->{POS}, "hf field `$_->{INDEX}' not used");
1140                 }
1141         }
1142
1143         foreach (values %{$conformance->{hf_renames}}) {
1144                 if (not $_->{USED}) {
1145                         warning($_->{POS}, "hf field `$_->{OLDNAME}' not used");
1146                 }
1147         }
1148
1149         foreach (values %{$conformance->{dissectorparams}}) {
1150                 if (not $_->{USED}) {
1151                         warning($_->{POS}, "dissector param never used");
1152                 }
1153         }
1154
1155         foreach (values %{$conformance->{imports}}) {
1156                 if (not $_->{USED}) {
1157                         warning($_->{POS}, "import never used");
1158                 }
1159         }
1160
1161         foreach (values %{$conformance->{types}}) {
1162                 if (not $_->{USED} and defined($_->{POS})) {
1163                         warning($_->{POS}, "type never used");
1164                 }
1165         }
1166
1167         foreach (values %{$conformance->{fielddescription}}) {
1168                 if (not $_->{USED}) {
1169                         warning($_->{POS}, "description never used");
1170                 }
1171         }
1172
1173         foreach (values %{$conformance->{tfs}}) {
1174                 if (not $_->{USED}) {
1175                         warning($_->{POS}, "True/False description never used");
1176                 }
1177         }
1178 }
1179
1180 1;