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-rw-r--r--tools/pidl/lib/Parse/Pidl/Wireshark/NDR.pm1021
1 files changed, 1021 insertions, 0 deletions
diff --git a/tools/pidl/lib/Parse/Pidl/Wireshark/NDR.pm b/tools/pidl/lib/Parse/Pidl/Wireshark/NDR.pm
new file mode 100644
index 0000000000..bbb3d777d1
--- /dev/null
+++ b/tools/pidl/lib/Parse/Pidl/Wireshark/NDR.pm
@@ -0,0 +1,1021 @@
+##################################################
+# Samba4 NDR parser generator for IDL structures
+# Copyright tridge@samba.org 2000-2003
+# Copyright tpot@samba.org 2001,2005
+# Copyright jelmer@samba.org 2004-2005
+# Portions based on idl2wrs.c by Ronnie Sahlberg
+# released under the GNU GPL
+
+=pod
+
+=head1 NAME
+
+Parse::Pidl::Ethereal::NDR - Parser generator for Wireshark
+
+=cut
+
+package Parse::Pidl::Ethereal::NDR;
+
+use strict;
+use Parse::Pidl::Typelist qw(getType);
+use Parse::Pidl::Util qw(has_property ParseExpr property_matches make_str);
+use Parse::Pidl::NDR qw(ContainsString GetNextLevel);
+use Parse::Pidl::Dump qw(DumpTypedef DumpFunction);
+use Parse::Pidl::Ethereal::Conformance qw(ReadConformance);
+use File::Basename;
+
+use vars qw($VERSION);
+$VERSION = '0.01';
+
+sub error($$)
+{
+ my ($e,$t) = @_;
+ print "$e->{FILE}:$e->{LINE}: $t\n";
+}
+
+my @ett;
+
+my %hf_used = ();
+my %dissector_used = ();
+
+my $conformance = undef;
+
+my %ptrtype_mappings = (
+ "unique" => "NDR_POINTER_UNIQUE",
+ "ref" => "NDR_POINTER_REF",
+ "ptr" => "NDR_POINTER_PTR"
+);
+
+sub StripPrefixes($)
+{
+ my ($s) = @_;
+
+ foreach (@{$conformance->{strip_prefixes}}) {
+ $s =~ s/^$_\_//g;
+ }
+
+ return $s;
+}
+
+# Convert a IDL structure field name (e.g access_mask) to a prettier
+# string like 'Access Mask'.
+
+sub field2name($)
+{
+ my($field) = shift;
+
+ $field =~ s/_/ /g; # Replace underscores with spaces
+ $field =~ s/(\w+)/\u\L$1/g; # Capitalise each word
+
+ return $field;
+}
+
+my %res = ();
+my $tabs = "";
+sub pidl_code($)
+{
+ my $d = shift;
+ if ($d) {
+ $res{code} .= $tabs;
+ $res{code} .= $d;
+ }
+ $res{code} .="\n";
+}
+
+sub pidl_hdr($) { my $x = shift; $res{hdr} .= "$x\n"; }
+sub pidl_def($) { my $x = shift; $res{def} .= "$x\n"; }
+
+sub indent()
+{
+ $tabs .= "\t";
+}
+
+sub deindent()
+{
+ $tabs = substr($tabs, 0, -1);
+}
+
+sub PrintIdl($)
+{
+ my $idl = shift;
+
+ foreach (split /\n/, $idl) {
+ pidl_code "/* IDL: $_ */";
+ }
+
+ pidl_code "";
+}
+
+#####################################################################
+# parse the interface definitions
+sub Interface($)
+{
+ my($interface) = @_;
+ Const($_,$interface->{NAME}) foreach (@{$interface->{CONSTS}});
+ Typedef($_,$interface->{NAME}) foreach (@{$interface->{TYPES}});
+ Function($_,$interface->{NAME}) foreach (@{$interface->{FUNCTIONS}});
+}
+
+sub Enum($$$)
+{
+ my ($e,$name,$ifname) = @_;
+ my $valsstring = "$ifname\_$name\_vals";
+ my $dissectorname = "$ifname\_dissect\_enum\_".StripPrefixes($name);
+
+ return if (defined($conformance->{noemit}->{StripPrefixes($name)}));
+
+ foreach (@{$e->{ELEMENTS}}) {
+ if (/([^=]*)=(.*)/) {
+ pidl_hdr "#define $1 ($2)";
+ }
+ }
+
+ pidl_hdr "extern const value_string $valsstring\[];";
+ pidl_hdr "int $dissectorname(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, guint8 *drep, int hf_index, guint32 param);";
+
+ pidl_def "const value_string ".$valsstring."[] = {";
+ foreach (@{$e->{ELEMENTS}}) {
+ next unless (/([^=]*)=(.*)/);
+ pidl_def "\t{ $1, \"$1\" },";
+ }
+
+ pidl_def "{ 0, NULL }";
+ pidl_def "};";
+
+ pidl_code "int";
+ pidl_code "$dissectorname(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, guint8 *drep, int hf_index, guint32 param _U_)";
+ pidl_code "{";
+ indent;
+ pidl_code "offset = dissect_ndr_$e->{BASE_TYPE}(tvb, offset, pinfo, tree, drep, hf_index, NULL);";
+ pidl_code "return offset;";
+ deindent;
+ pidl_code "}\n";
+
+ my $enum_size = $e->{BASE_TYPE};
+ $enum_size =~ s/uint//g;
+ register_type($name, "offset = $dissectorname(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);", "FT_UINT$enum_size", "BASE_DEC", "0", "VALS($valsstring)", $enum_size / 8);
+}
+
+sub Bitmap($$$)
+{
+ my ($e,$name,$ifname) = @_;
+ my $dissectorname = "$ifname\_dissect\_bitmap\_".StripPrefixes($name);
+
+ register_ett("ett_$ifname\_$name");
+
+ pidl_hdr "int $dissectorname(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, guint8 *drep, int hf_index, guint32 param);";
+
+ pidl_code "int";
+ pidl_code "$dissectorname(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *parent_tree, guint8 *drep, int hf_index, guint32 param _U_)";
+ pidl_code "{";
+ indent;
+ pidl_code "proto_item *item = NULL;";
+ pidl_code "proto_tree *tree = NULL;";
+ pidl_code "";
+
+ pidl_code "g$e->{BASE_TYPE} flags;";
+ if ($e->{ALIGN} > 1) {
+ pidl_code "ALIGN_TO_$e->{ALIGN}_BYTES;";
+ }
+
+ pidl_code "";
+
+ pidl_code "if (parent_tree) {";
+ indent;
+ pidl_code "item = proto_tree_add_item(parent_tree, hf_index, tvb, offset, $e->{ALIGN}, TRUE);";
+ pidl_code "tree = proto_item_add_subtree(item,ett_$ifname\_$name);";
+ deindent;
+ pidl_code "}\n";
+
+ pidl_code "offset = dissect_ndr_$e->{BASE_TYPE}(tvb, offset, pinfo, NULL, drep, -1, &flags);";
+
+ pidl_code "proto_item_append_text(item, \": \");\n";
+ pidl_code "if (!flags)";
+ pidl_code "\tproto_item_append_text(item, \"(No values set)\");\n";
+
+ foreach (@{$e->{ELEMENTS}}) {
+ next unless (/([^ ]*) (.*)/);
+ my ($en,$ev) = ($1,$2);
+ my $hf_bitname = "hf_$ifname\_$name\_$en";
+ my $filtername = "$ifname\.$name\.$en";
+
+ $hf_used{$hf_bitname} = 1;
+
+ register_hf_field($hf_bitname, field2name($en), $filtername, "FT_BOOLEAN", $e->{ALIGN} * 8, "TFS(&$name\_$en\_tfs)", $ev, "");
+
+ pidl_def "static const true_false_string $name\_$en\_tfs = {";
+ if (defined($conformance->{tfs}->{$hf_bitname})) {
+ pidl_def " $conformance->{tfs}->{$hf_bitname}->{TRUE_STRING},";
+ pidl_def " $conformance->{tfs}->{$hf_bitname}->{FALSE_STRING},";
+ $conformance->{tfs}->{$hf_bitname}->{USED} = 1;
+ } else {
+ pidl_def " \"$en is SET\",";
+ pidl_def " \"$en is NOT SET\",";
+ }
+ pidl_def "};";
+
+ pidl_code "proto_tree_add_boolean(tree, $hf_bitname, tvb, offset-$e->{ALIGN}, $e->{ALIGN}, flags);";
+ pidl_code "if (flags&$ev){";
+ pidl_code "\tproto_item_append_text(item, \"$en\");";
+ pidl_code "\tif (flags & (~$ev))";
+ pidl_code "\t\tproto_item_append_text(item, \", \");";
+ pidl_code "}";
+ pidl_code "flags&=(~$ev);";
+ pidl_code "";
+ }
+
+ pidl_code "if (flags) {";
+ pidl_code "\tproto_item_append_text(item, \"Unknown bitmap value 0x%x\", flags);";
+ pidl_code "}\n";
+ pidl_code "return offset;";
+ deindent;
+ pidl_code "}\n";
+
+ my $size = $e->{BASE_TYPE};
+ $size =~ s/uint//g;
+ register_type($name, "offset = $dissectorname(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);", "FT_UINT$size", "BASE_HEX", "0", "NULL", $size/8);
+}
+
+sub ElementLevel($$$$$)
+{
+ my ($e,$l,$hf,$myname,$pn) = @_;
+
+ my $param = 0;
+
+ if (defined($conformance->{dissectorparams}->{$myname})) {
+ $conformance->{dissectorparams}->{$myname}->{PARAM} = 1;
+ $param = $conformance->{dissectorparams}->{$myname}->{PARAM};
+ }
+
+ if ($l->{TYPE} eq "POINTER") {
+ my $type;
+ if ($l->{LEVEL} eq "TOP") {
+ $type = "toplevel";
+ } elsif ($l->{LEVEL} eq "EMBEDDED") {
+ $type = "embedded";
+ }
+ pidl_code "offset = dissect_ndr_$type\_pointer(tvb, offset, pinfo, tree, drep, $myname\_, $ptrtype_mappings{$l->{POINTER_TYPE}}, \"Pointer to ".field2name(StripPrefixes($e->{NAME})) . " ($e->{TYPE})\",$hf);";
+ } elsif ($l->{TYPE} eq "ARRAY") {
+ if ($l->{IS_INLINE}) {
+ error($e->{ORIGINAL}, "Inline arrays not supported");
+ } elsif ($l->{IS_FIXED}) {
+ pidl_code "int i;";
+ pidl_code "for (i = 0; i < $l->{SIZE_IS}; i++)";
+ pidl_code "\toffset = $myname\_(tvb, offset, pinfo, tree, drep);";
+ } else {
+ my $type = "";
+ $type .= "c" if ($l->{IS_CONFORMANT});
+ $type .= "v" if ($l->{IS_VARYING});
+
+ unless ($l->{IS_ZERO_TERMINATED}) {
+ pidl_code "offset = dissect_ndr_u" . $type . "array(tvb, offset, pinfo, tree, drep, $myname\_);";
+ } else {
+ my $nl = GetNextLevel($e,$l);
+ pidl_code "char *data;";
+ pidl_code "";
+ pidl_code "offset = dissect_ndr_$type" . "string(tvb, offset, pinfo, tree, drep, sizeof(g$nl->{DATA_TYPE}), $hf, FALSE, &data);";
+ pidl_code "proto_item_append_text(tree, \": %s\", data);";
+ }
+ }
+ } elsif ($l->{TYPE} eq "DATA") {
+ if ($l->{DATA_TYPE} eq "string") {
+ my $bs = 2; # Byte size defaults to that of UCS2
+
+
+ ($bs = 1) if (property_matches($e, "flag", ".*LIBNDR_FLAG_STR_ASCII.*"));
+
+ if (property_matches($e, "flag", ".*LIBNDR_FLAG_STR_SIZE4.*") and property_matches($e, "flag", ".*LIBNDR_FLAG_STR_LEN4.*")) {
+ pidl_code "char *data;\n";
+ pidl_code "offset = dissect_ndr_cvstring(tvb, offset, pinfo, tree, drep, $bs, $hf, FALSE, &data);";
+ pidl_code "proto_item_append_text(tree, \": %s\", data);";
+ } elsif (property_matches($e, "flag", ".*LIBNDR_FLAG_STR_SIZE4.*")) {
+ pidl_code "offset = dissect_ndr_vstring(tvb, offset, pinfo, tree, drep, $bs, $hf, FALSE, NULL);";
+ } else {
+ warn("Unable to handle string with flags $e->{PROPERTIES}->{flag}");
+ }
+ } else {
+ my $call;
+
+ if ($conformance->{imports}->{$l->{DATA_TYPE}}) {
+ $call = $conformance->{imports}->{$l->{DATA_TYPE}}->{DATA};
+ $conformance->{imports}->{$l->{DATA_TYPE}}->{USED} = 1;
+ } elsif (defined($conformance->{imports}->{"$pn.$e->{NAME}"})) {
+ $call = $conformance->{imports}->{"$pn.$e->{NAME}"}->{DATA};
+ $conformance->{imports}->{"$pn.$e->{NAME}"}->{USED} = 1;
+
+ } elsif (defined($conformance->{types}->{$l->{DATA_TYPE}})) {
+ $call= $conformance->{types}->{$l->{DATA_TYPE}}->{DISSECTOR_NAME};
+ $conformance->{types}->{$l->{DATA_TYPE}}->{USED} = 1;
+ } else {
+ if ($l->{DATA_TYPE} =~ /^([a-z]+)\_(.*)$/)
+ {
+ pidl_code "offset = $1_dissect_struct_$2(tvb,offset,pinfo,tree,drep,$hf,$param);";
+ }
+
+ return;
+ }
+
+ $call =~ s/\@HF\@/$hf/g;
+ $call =~ s/\@PARAM\@/$param/g;
+ pidl_code "$call";
+ }
+ } elsif ($_->{TYPE} eq "SUBCONTEXT") {
+ my $num_bits = ($l->{HEADER_SIZE}*8);
+ pidl_code "guint$num_bits size;";
+ pidl_code "int start_offset = offset;";
+ pidl_code "tvbuff_t *subtvb;";
+ pidl_code "offset = dissect_ndr_uint$num_bits(tvb, offset, pinfo, tree, drep, $hf, &size);";
+ pidl_code "proto_tree_add_text(tree, tvb, start_offset, offset - start_offset + size, \"Subcontext size\");";
+
+ pidl_code "subtvb = tvb_new_subset(tvb, offset, size, -1);";
+ pidl_code "$myname\_(subtvb, 0, pinfo, tree, drep);";
+ } else {
+ die("Unknown type `$_->{TYPE}'");
+ }
+}
+
+sub Element($$$)
+{
+ my ($e,$pn,$ifname) = @_;
+
+ my $dissectorname = "$ifname\_dissect\_element\_".StripPrefixes($pn)."\_".StripPrefixes($e->{NAME});
+
+ my $call_code = "offset = $dissectorname(tvb, offset, pinfo, tree, drep);";
+
+ my $type = find_type($e->{TYPE});
+
+ if (not defined($type)) {
+ # default settings
+ $type = {
+ MASK => 0,
+ VALSSTRING => "NULL",
+ FT_TYPE => "FT_NONE",
+ BASE_TYPE => "BASE_HEX"
+ };
+ }
+
+ if (ContainsString($e)) {
+ $type = {
+ MASK => 0,
+ VALSSTRING => "NULL",
+ FT_TYPE => "FT_STRING",
+ BASE_TYPE => "BASE_DEC"
+ };
+ }
+
+ my $hf = register_hf_field("hf_$ifname\_$pn\_$e->{NAME}", field2name($e->{NAME}), "$ifname.$pn.$e->{NAME}", $type->{FT_TYPE}, $type->{BASE_TYPE}, $type->{VALSSTRING}, $type->{MASK}, "");
+ $hf_used{$hf} = 1;
+
+ my $eltname = StripPrefixes($pn) . ".$e->{NAME}";
+ if (defined($conformance->{noemit}->{$eltname})) {
+ return $call_code;
+ }
+
+ my $add = "";
+
+ foreach (@{$e->{LEVELS}}) {
+ next if ($_->{TYPE} eq "SWITCH");
+ pidl_def "static int $dissectorname$add(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, guint8 *drep);";
+ pidl_code "static int";
+ pidl_code "$dissectorname$add(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, guint8 *drep)";
+ pidl_code "{";
+ indent;
+
+ ElementLevel($e,$_,$hf,$dissectorname.$add,$pn);
+
+ pidl_code "";
+ pidl_code "return offset;";
+ deindent;
+ pidl_code "}\n";
+ $add.="_";
+ last if ($_->{TYPE} eq "ARRAY" and $_->{IS_ZERO_TERMINATED});
+ }
+
+ return $call_code;
+}
+
+sub Function($$$)
+{
+ my ($fn,$ifname) = @_;
+
+ my %dissectornames;
+
+ foreach (@{$fn->{ELEMENTS}}) {
+ $dissectornames{$_->{NAME}} = Element($_, $fn->{NAME}, $ifname) if not defined($dissectornames{$_->{NAME}});
+ }
+
+ my $fn_name = $_->{NAME};
+ $fn_name =~ s/^${ifname}_//;
+
+ PrintIdl DumpFunction($fn->{ORIGINAL});
+ pidl_code "static int";
+ 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_)";
+ pidl_code "{";
+ indent;
+ pidl_code "guint32 status;\n";
+ foreach (@{$fn->{ELEMENTS}}) {
+ if (grep(/out/,@{$_->{DIRECTION}})) {
+ pidl_code "$dissectornames{$_->{NAME}}";
+ pidl_code "offset = dissect_deferred_pointers(pinfo, tvb, offset, drep);";
+ pidl_code "";
+ }
+ }
+
+ if (not defined($fn->{RETURN_TYPE})) {
+ } elsif ($fn->{RETURN_TYPE} eq "NTSTATUS") {
+ pidl_code "offset = dissect_ntstatus(tvb, offset, pinfo, tree, drep, hf\_$ifname\_status, &status);\n";
+ pidl_code "if (status != 0 && check_col(pinfo->cinfo, COL_INFO))";
+ pidl_code "\tcol_append_fstr(pinfo->cinfo, COL_INFO, \", Error: %s\", val_to_str(status, NT_errors, \"Unknown NT status 0x%08x\"));\n";
+ $hf_used{"hf\_$ifname\_status"} = 1;
+ } elsif ($fn->{RETURN_TYPE} eq "WERROR") {
+ pidl_code "offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep, hf\_$ifname\_werror, &status);\n";
+ pidl_code "if (status != 0 && check_col(pinfo->cinfo, COL_INFO))";
+ pidl_code "\tcol_append_fstr(pinfo->cinfo, COL_INFO, \", Error: %s\", val_to_str(status, DOS_errors, \"Unknown DOS error 0x%08x\"));\n";
+
+ $hf_used{"hf\_$ifname\_werror"} = 1;
+ } else {
+ print "$fn->{FILE}:$fn->{LINE}: error: return type `$fn->{RETURN_TYPE}' not yet supported\n";
+ }
+
+
+ pidl_code "return offset;";
+ deindent;
+ pidl_code "}\n";
+
+ pidl_code "static int";
+ 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_)";
+ pidl_code "{";
+ indent;
+ foreach (@{$fn->{ELEMENTS}}) {
+ if (grep(/in/,@{$_->{DIRECTION}})) {
+ pidl_code "$dissectornames{$_->{NAME}}";
+ pidl_code "offset = dissect_deferred_pointers(pinfo, tvb, offset, drep);";
+ }
+
+ }
+
+ pidl_code "return offset;";
+ deindent;
+ pidl_code "}\n";
+}
+
+sub Struct($$$)
+{
+ my ($e,$name,$ifname) = @_;
+ my $dissectorname = "$ifname\_dissect\_struct\_".StripPrefixes($name);
+
+ return if (defined($conformance->{noemit}->{StripPrefixes($name)}));
+
+ register_ett("ett_$ifname\_$name");
+
+ my $res = "";
+ ($res.="\t".Element($_, $name, $ifname)."\n\n") foreach (@{$e->{ELEMENTS}});
+
+ pidl_hdr "int $dissectorname(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *parent_tree, guint8 *drep, int hf_index, guint32 param _U_);";
+
+ pidl_code "int";
+ pidl_code "$dissectorname(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *parent_tree, guint8 *drep, int hf_index, guint32 param _U_)";
+ pidl_code "{";
+ indent;
+ pidl_code "proto_item *item = NULL;";
+ pidl_code "proto_tree *tree = NULL;";
+ pidl_code "int old_offset;";
+ pidl_code "";
+
+ if ($e->{ALIGN} > 1) {
+ pidl_code "ALIGN_TO_$e->{ALIGN}_BYTES;";
+ }
+ pidl_code "";
+
+ pidl_code "old_offset = offset;";
+ pidl_code "";
+ pidl_code "if (parent_tree) {";
+ indent;
+ pidl_code "item = proto_tree_add_item(parent_tree, hf_index, tvb, offset, -1, TRUE);";
+ pidl_code "tree = proto_item_add_subtree(item, ett_$ifname\_$name);";
+ deindent;
+ pidl_code "}";
+
+ pidl_code "\n$res";
+
+ pidl_code "proto_item_set_len(item, offset-old_offset);\n";
+ pidl_code "return offset;";
+ deindent;
+ pidl_code "}\n";
+
+ register_type($name, "offset = $dissectorname(tvb,offset,pinfo,tree,drep,\@HF\@,\@PARAM\@);", "FT_NONE", "BASE_NONE", 0, "NULL", 0);
+}
+
+sub Union($$$)
+{
+ my ($e,$name,$ifname) = @_;
+
+ my $dissectorname = "$ifname\_dissect_".StripPrefixes($name);
+
+ return if (defined($conformance->{noemit}->{StripPrefixes($name)}));
+
+ register_ett("ett_$ifname\_$name");
+
+ my $res = "";
+ foreach (@{$e->{ELEMENTS}}) {
+ $res.="\n\t\t$_->{CASE}:\n";
+ if ($_->{TYPE} ne "EMPTY") {
+ $res.="\t\t\t".Element($_, $name, $ifname)."\n";
+ }
+ $res.="\t\tbreak;\n";
+ }
+
+ my $switch_type;
+ my $switch_dissect;
+ my $switch_dt = getType($e->{SWITCH_TYPE});
+ if ($switch_dt->{DATA}->{TYPE} eq "ENUM") {
+ $switch_type = "g".Parse::Pidl::Typelist::enum_type_fn($switch_dt);
+ $switch_dissect = "dissect_ndr_" .Parse::Pidl::Typelist::enum_type_fn($switch_dt);
+ } elsif ($switch_dt->{DATA}->{TYPE} eq "SCALAR") {
+ $switch_type = "g$e->{SWITCH_TYPE}";
+ $switch_dissect = "dissect_ndr_$e->{SWITCH_TYPE}";
+ }
+
+ pidl_code "static int";
+ pidl_code "$dissectorname(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *parent_tree, guint8 *drep, int hf_index, guint32 param _U_)";
+ pidl_code "{";
+ indent;
+ pidl_code "proto_item *item = NULL;";
+ pidl_code "proto_tree *tree = NULL;";
+ pidl_code "int old_offset;";
+ pidl_code "$switch_type level;";
+ pidl_code "";
+
+ if ($e->{ALIGN} > 1) {
+ pidl_code "ALIGN_TO_$e->{ALIGN}_BYTES;";
+ }
+
+ pidl_code "";
+
+ pidl_code "old_offset = offset;";
+ pidl_code "if (parent_tree) {";
+ indent;
+ pidl_code "item = proto_tree_add_text(parent_tree, tvb, offset, -1, \"$name\");";
+ pidl_code "tree = proto_item_add_subtree(item, ett_$ifname\_$name);";
+ deindent;
+ pidl_code "}";
+
+ pidl_code "";
+
+ pidl_code "offset = $switch_dissect(tvb, offset, pinfo, tree, drep, hf_index, &level);";
+
+ pidl_code "switch(level) {$res\t}";
+ pidl_code "proto_item_set_len(item, offset-old_offset);\n";
+ pidl_code "return offset;";
+ deindent;
+ pidl_code "}";
+
+ register_type($name, "offset = $dissectorname(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);", "FT_NONE", "BASE_NONE", 0, "NULL", 0);
+}
+
+sub Const($$)
+{
+ my ($const,$ifname) = @_;
+
+ if (!defined($const->{ARRAY_LEN}[0])) {
+ pidl_hdr "#define $const->{NAME}\t( $const->{VALUE} )\n";
+ } else {
+ pidl_hdr "#define $const->{NAME}\t $const->{VALUE}\n";
+ }
+}
+
+sub Typedef($$)
+{
+ my ($e,$ifname) = @_;
+
+ PrintIdl DumpTypedef($e->{ORIGINAL});
+
+ {
+ ENUM => \&Enum,
+ STRUCT => \&Struct,
+ UNION => \&Union,
+ BITMAP => \&Bitmap
+ }->{$e->{DATA}->{TYPE}}->($e->{DATA}, $e->{NAME}, $ifname);
+}
+
+sub RegisterInterface($)
+{
+ my ($x) = @_;
+
+ pidl_code "void proto_register_dcerpc_$x->{NAME}(void)";
+ pidl_code "{";
+ indent;
+
+ $res{code}.=DumpHfList()."\n";
+ $res{code}.="\n".DumpEttList()."\n";
+
+ if (defined($x->{UUID})) {
+ # These can be changed to non-pidl_code names if the old dissectors
+ # in epan/dissctors are deleted.
+
+ my $name = uc($x->{NAME}) . " (pidl)";
+ my $short_name = uc($x->{NAME});
+ my $filter_name = $x->{NAME};
+
+ if (has_property($x, "helpstring")) {
+ $name = $x->{PROPERTIES}->{helpstring};
+ }
+
+ if (defined($conformance->{protocols}->{$x->{NAME}})) {
+ $short_name = $conformance->{protocols}->{$x->{NAME}}->{SHORTNAME};
+ $name = $conformance->{protocols}->{$x->{NAME}}->{LONGNAME};
+ $filter_name = $conformance->{protocols}->{$x->{NAME}}->{FILTERNAME};
+ }
+
+ pidl_code "proto_dcerpc_$x->{NAME} = proto_register_protocol(".make_str($name).", ".make_str($short_name).", ".make_str($filter_name).");";
+
+ pidl_code "proto_register_field_array(proto_dcerpc_$x->{NAME}, hf, array_length (hf));";
+ pidl_code "proto_register_subtree_array(ett, array_length(ett));";
+ } else {
+ pidl_code "proto_dcerpc = proto_get_id_by_filter_name(\"dcerpc\");";
+ pidl_code "proto_register_field_array(proto_dcerpc, hf, array_length(hf));";
+ pidl_code "proto_register_subtree_array(ett, array_length(ett));";
+ }
+
+ deindent;
+ pidl_code "}\n";
+}
+
+sub RegisterInterfaceHandoff($)
+{
+ my $x = shift;
+
+ if (defined($x->{UUID})) {
+ pidl_code "void proto_reg_handoff_dcerpc_$x->{NAME}(void)";
+ pidl_code "{";
+ indent;
+ pidl_code "dcerpc_init_uuid(proto_dcerpc_$x->{NAME}, ett_dcerpc_$x->{NAME},";
+ pidl_code "\t&uuid_dcerpc_$x->{NAME}, ver_dcerpc_$x->{NAME},";
+ pidl_code "\t$x->{NAME}_dissectors, hf_$x->{NAME}_opnum);";
+ deindent;
+ pidl_code "}";
+
+ $hf_used{"hf_$x->{NAME}_opnum"} = 1;
+ }
+}
+
+sub ProcessInterface($)
+{
+ my ($x) = @_;
+
+ push(@{$conformance->{strip_prefixes}}, $x->{NAME});
+
+ my $define = "__PACKET_DCERPC_" . uc($_->{NAME}) . "_H";
+ pidl_hdr "#ifndef $define";
+ pidl_hdr "#define $define";
+ pidl_hdr "";
+
+ if (defined $x->{PROPERTIES}->{depends}) {
+ foreach (split / /, $x->{PROPERTIES}->{depends}) {
+ next if($_ eq "security");
+ pidl_hdr "#include \"packet-dcerpc-$_\.h\"\n";
+ }
+ }
+
+ pidl_def "static gint proto_dcerpc_$x->{NAME} = -1;";
+ register_ett("ett_dcerpc_$x->{NAME}");
+ register_hf_field("hf_$x->{NAME}_opnum", "Operation", "$x->{NAME}.opnum", "FT_UINT16", "BASE_DEC", "NULL", 0, "");
+
+ if (defined($x->{UUID})) {
+ my $if_uuid = $x->{UUID};
+
+ pidl_def "/* Version information */\n\n";
+
+ pidl_def "static e_uuid_t uuid_dcerpc_$x->{NAME} = {";
+ pidl_def "\t0x" . substr($if_uuid, 1, 8)
+ . ", 0x" . substr($if_uuid, 10, 4)
+ . ", 0x" . substr($if_uuid, 15, 4) . ",";
+ pidl_def "\t{ 0x" . substr($if_uuid, 20, 2)
+ . ", 0x" . substr($if_uuid, 22, 2)
+ . ", 0x" . substr($if_uuid, 25, 2)
+ . ", 0x" . substr($if_uuid, 27, 2)
+ . ", 0x" . substr($if_uuid, 29, 2)
+ . ", 0x" . substr($if_uuid, 31, 2)
+ . ", 0x" . substr($if_uuid, 33, 2)
+ . ", 0x" . substr($if_uuid, 35, 2) . " }";
+ pidl_def "};";
+
+ my $maj = $x->{VERSION};
+ $maj =~ s/\.(.*)$//g;
+ pidl_def "static guint16 ver_dcerpc_$x->{NAME} = $maj;";
+ pidl_def "";
+ }
+
+ Interface($x);
+
+ pidl_code "\n".DumpFunctionTable($x);
+
+ # Only register these two return types if they were actually used
+ if (defined($hf_used{"hf_$x->{NAME}_status"})) {
+ register_hf_field("hf_$x->{NAME}_status", "Status", "$x->{NAME}.status", "FT_UINT32", "BASE_HEX", "VALS(NT_errors)", 0, "");
+ }
+
+ if (defined($hf_used{"hf_$x->{NAME}_werror"})) {
+ register_hf_field("hf_$x->{NAME}_werror", "Windows Error", "$x->{NAME}.werror", "FT_UINT32", "BASE_HEX", "VALS(DOS_errors)", 0, "");
+ }
+
+ RegisterInterface($x);
+ RegisterInterfaceHandoff($x);
+
+ pidl_hdr "#endif /* $define */";
+}
+
+sub find_type($)
+{
+ my $n = shift;
+
+ return $conformance->{types}->{$n};
+}
+
+sub register_type($$$$$$$)
+{
+ my ($type,$call,$ft,$base,$mask,$vals,$length) = @_;
+
+ $conformance->{types}->{$type} = {
+ NAME => $type,
+ DISSECTOR_NAME => $call,
+ FT_TYPE => $ft,
+ BASE_TYPE => $base,
+ MASK => $mask,
+ VALSSTRING => $vals,
+ ALIGNMENT => $length
+ };
+}
+
+# Loads the default types
+sub Initialize($)
+{
+ my $cnf_file = shift;
+
+ $conformance = {
+ imports => {},
+ header_fields=> {}
+ };
+
+ ReadConformance($cnf_file, $conformance) or print "Warning: No conformance file `$cnf_file'\n";
+
+ foreach my $bytes (qw(1 2 4 8)) {
+ my $bits = $bytes * 8;
+ register_type("uint$bits", "offset = dissect_ndr_uint$bits(tvb, offset, pinfo, tree, drep, \@HF\@,NULL);", "FT_UINT$bits", "BASE_DEC", 0, "NULL", $bytes);
+ register_type("int$bits", "offset = dissect_ndr_uint$bits(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);", "FT_INT$bits", "BASE_DEC", 0, "NULL", $bytes);
+ }
+
+ register_type("udlong", "offset = dissect_ndr_duint32(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);", "FT_UINT64", "BASE_DEC", 0, "NULL", 4);
+ register_type("bool8", "offset = dissect_ndr_uint8(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);","FT_INT8", "BASE_DEC", 0, "NULL", 1);
+ register_type("char", "offset = dissect_ndr_uint8(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);","FT_INT8", "BASE_DEC", 0, "NULL", 1);
+ register_type("long", "offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);","FT_INT32", "BASE_DEC", 0, "NULL", 4);
+ register_type("dlong", "offset = dissect_ndr_duint32(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);","FT_INT64", "BASE_DEC", 0, "NULL", 8);
+ register_type("GUID", "offset = dissect_ndr_uuid_t(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);","FT_GUID", "BASE_NONE", 0, "NULL", 4);
+ register_type("policy_handle", "offset = dissect_nt_policy_hnd(tvb, offset, pinfo, tree, drep, \@HF\@, NULL, NULL, \@PARAM\@&0x01, \@PARAM\@&0x02);","FT_BYTES", "BASE_NONE", 0, "NULL", 4);
+ register_type("NTTIME", "offset = dissect_ndr_nt_NTTIME(tvb, offset, pinfo, tree, drep, \@HF\@);","FT_ABSOLUTE_TIME", "BASE_NONE", 0, "NULL", 4);
+ register_type("NTTIME_hyper", "offset = dissect_ndr_nt_NTTIME(tvb, offset, pinfo, tree, drep, \@HF\@);","FT_ABSOLUTE_TIME", "BASE_NONE", 0, "NULL", 4);
+ register_type("time_t", "offset = dissect_ndr_time_t(tvb, offset, pinfo,tree, drep, \@HF\@, NULL);","FT_ABSOLUTE_TIME", "BASE_DEC", 0, "NULL", 4);
+ register_type("NTTIME_1sec", "offset = dissect_ndr_nt_NTTIME(tvb, offset, pinfo, tree, drep, \@HF\@);", "FT_ABSOLUTE_TIME", "BASE_NONE", 0, "NULL", 4);
+ register_type("SID", "
+ dcerpc_info *di = (dcerpc_info *)pinfo->private_data;
+
+ di->hf_index = \@HF\@;
+
+ offset = dissect_ndr_nt_SID_with_options(tvb, offset, pinfo, tree, drep, param);
+ ","FT_STRING", "BASE_DEC", 0, "NULL", 4);
+ register_type("WERROR",
+ "offset = dissect_ndr_uint32(tvb, offset, pinfo, tree, drep, \@HF\@, NULL);","FT_UINT32", "BASE_DEC", 0, "VALS(NT_errors)", 4);
+
+}
+
+#####################################################################
+# Generate ethereal parser and header code
+sub Parse($$$$)
+{
+ my($ndr,$idl_file,$h_filename,$cnf_file) = @_;
+ Initialize($cnf_file);
+
+ return (undef, undef) if defined($conformance->{noemit_dissector});
+
+ $tabs = "";
+
+ %res = (code=>"",def=>"",hdr=>"");
+ @ett = ();
+
+ my $notice =
+"/* DO NOT EDIT
+ This filter was automatically generated
+ from $idl_file and $cnf_file.
+
+ Pidl is a perl based IDL compiler for DCE/RPC idl files.
+ It is maintained by the Samba team, not the Wireshark team.
+ Instructions on how to download and install Pidl can be
+ found at http://wiki.wireshark.org/Pidl
+*/
+
+";
+
+ pidl_hdr $notice;
+
+ $res{headers} = "\n";
+ $res{headers} .= "#ifdef HAVE_CONFIG_H\n";
+ $res{headers} .= "#include \"config.h\"\n";
+ $res{headers} .= "#endif\n\n";
+ $res{headers} .= "#include <glib.h>\n";
+ $res{headers} .= "#include <string.h>\n";
+ $res{headers} .= "#include <epan/packet.h>\n\n";
+
+ $res{headers} .= "#include \"packet-dcerpc.h\"\n";
+ $res{headers} .= "#include \"packet-dcerpc-nt.h\"\n";
+ $res{headers} .= "#include \"packet-windows-common.h\"\n";
+
+ my $h_basename = basename($h_filename);
+
+ $res{headers} .= "#include \"$h_basename\"\n";
+ pidl_code "";
+
+ # Ethereal protocol registration
+
+ ProcessInterface($_) foreach (@$ndr);
+
+ $res{ett} = DumpEttDeclaration();
+ $res{hf} = DumpHfDeclaration();
+
+ my $parser = $notice;
+ $parser.= $res{headers};
+ $parser.=$res{ett};
+ $parser.=$res{hf};
+ $parser.=$res{def};
+ $parser.=$conformance->{override};
+ $parser.=$res{code};
+
+ my $header = "/* autogenerated by pidl */\n\n";
+ $header.=$res{hdr};
+
+ CheckUsed($conformance);
+
+ return ($parser,$header);
+}
+
+###############################################################################
+# ETT
+###############################################################################
+
+sub register_ett($)
+{
+ my $name = shift;
+
+ push (@ett, $name);
+}
+
+sub DumpEttList()
+{
+ my $res = "\tstatic gint *ett[] = {\n";
+ foreach (@ett) {
+ $res .= "\t\t&$_,\n";
+ }
+
+ return "$res\t};\n";
+}
+
+sub DumpEttDeclaration()
+{
+ my $res = "\n/* Ett declarations */\n";
+ foreach (@ett) {
+ $res .= "static gint $_ = -1;\n";
+ }
+
+ return "$res\n";
+}
+
+###############################################################################
+# HF
+###############################################################################
+
+sub register_hf_field($$$$$$$$)
+{
+ my ($index,$name,$filter_name,$ft_type,$base_type,$valsstring,$mask,$blurb) = @_;
+
+ if (defined ($conformance->{hf_renames}->{$index})) {
+ $conformance->{hf_renames}->{$index}->{USED} = 1;
+ return $conformance->{hf_renames}->{$index}->{NEWNAME};
+ }
+
+ $conformance->{header_fields}->{$index} = {
+ INDEX => $index,
+ NAME => $name,
+ FILTER => $filter_name,
+ FT_TYPE => $ft_type,
+ BASE_TYPE => $base_type,
+ VALSSTRING => $valsstring,
+ MASK => $mask,
+ BLURB => $blurb
+ };
+
+ if ((not defined($blurb) or $blurb eq "") and
+ defined($conformance->{fielddescription}->{$index})) {
+ $conformance->{header_fields}->{$index}->{BLURB} =
+ $conformance->{fielddescription}->{$index}->{DESCRIPTION};
+ $conformance->{fielddescription}->{$index}->{USED} = 1;
+ }
+
+ return $index;
+}
+
+sub DumpHfDeclaration()
+{
+ my $res = "";
+
+ $res = "\n/* Header field declarations */\n";
+
+ foreach (keys %{$conformance->{header_fields}})
+ {
+ $res .= "static gint $_ = -1;\n";
+ }
+
+ return "$res\n";
+}
+
+sub DumpHfList()
+{
+ my $res = "\tstatic hf_register_info hf[] = {\n";
+
+ foreach (values %{$conformance->{header_fields}})
+ {
+ $res .= "\t{ &$_->{INDEX},
+ { ".make_str($_->{NAME}).", ".make_str($_->{FILTER}).", $_->{FT_TYPE}, $_->{BASE_TYPE}, $_->{VALSSTRING}, $_->{MASK}, ".make_str($_->{BLURB}).", HFILL }},
+";
+ }
+
+ return $res."\t};\n";
+}
+
+
+###############################################################################
+# Function table
+###############################################################################
+
+sub DumpFunctionTable($)
+{
+ my $if = shift;
+
+ my $res = "static dcerpc_sub_dissector $if->{NAME}\_dissectors[] = {\n";
+ foreach (@{$if->{FUNCTIONS}}) {
+ my $fn_name = $_->{NAME};
+ $fn_name =~ s/^$if->{NAME}_//;
+ $res.= "\t{ $_->{OPNUM}, \"$fn_name\",\n";
+ $res.= "\t $if->{NAME}_dissect_${fn_name}_request, $if->{NAME}_dissect_${fn_name}_response},\n";
+ }
+
+ $res .= "\t{ 0, NULL, NULL, NULL }\n";
+
+ return "$res};\n";
+}
+
+sub CheckUsed($)
+{
+ my $conformance = shift;
+ foreach (values %{$conformance->{header_fields}}) {
+ if (not defined($hf_used{$_->{INDEX}})) {
+ print "$_->{POS}: warning: hf field `$_->{INDEX}' not used\n";
+ }
+ }
+
+ foreach (values %{$conformance->{hf_renames}}) {
+ if (not $_->{USED}) {
+ print "$_->{POS}: warning: hf field `$_->{OLDNAME}' not used\n";
+ }
+ }
+
+ foreach (values %{$conformance->{dissectorparams}}) {
+ if (not $_->{USED}) {
+ print "$_->{POS}: warning: dissector param never used\n";
+ }
+ }
+
+ foreach (values %{$conformance->{imports}}) {
+ if (not $_->{USED}) {
+ print "$_->{POS}: warning: import never used\n";
+ }
+ }
+
+ foreach (values %{$conformance->{types}}) {
+ if (not $_->{USED} and defined($_->{POS})) {
+ print "$_->{POS}: warning: type never used\n";
+ }
+ }
+
+ foreach (values %{$conformance->{fielddescription}}) {
+ if (not $_->{USED}) {
+ print "$_->{POS}: warning: description never used\n";
+ }
+ }
+
+ foreach (values %{$conformance->{tfs}}) {
+ if (not $_->{USED}) {
+ print "$_->{POS}: warning: True/False description never used\n";
+ }
+ }
+}
+
+1;
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 19:27:41 +0000