###################################################
-# parser generator for IDL structures
-# Copyright tpot@samba.org 2001
-# Copyright tridge@samba.org 2000
+# Samba4 parser generator for IDL structures
+# Copyright tridge@samba.org 2000-2003
+# Copyright tpot@samba.org 2001,2004
# released under the GNU GPL
package IdlEParser;
-use Data::Dumper;
+use strict;
-my($res);
+# the list of needed functions
+my %needed;
-sub has_property($$)
-{
- my($props) = shift;
- my($p) = shift;
-
- foreach my $d (@{$props}) {
- if (ref($d) ne "HASH") {
- return 1, if ($d eq $p);
- return 1, if ($d eq "in,out" && ($p eq "in" || $p eq "out"));
- } else {
- foreach my $k (keys %{$d}) {
- return $d->{$k}, if ($k eq $p);
- }
- }
- }
+my $module;
+my $if_uuid;
+my $if_version;
+my $if_endpoints;
- return 0;
+sub pidl($)
+{
+ print OUT shift;
}
#####################################################################
-# parse a properties list
-sub ParseProperties($)
+# work out is a parse function should be declared static or not
+sub fn_prefix($)
{
- my($props) = shift;
- foreach my $d (@{$props}) {
- if (ref($d) ne "HASH") {
- $res .= "[$d] ";
- } else {
- foreach my $k (keys %{$d}) {
- $res .= "[$k($d->{$k})] ";
- }
+ my $fn = shift;
+ if ($fn->{TYPE} eq "TYPEDEF") {
+ if (util::has_property($fn, "public")) {
+ return "";
+ }
}
- }
+
+ if ($fn->{TYPE} eq "FUNCTION") {
+ if (util::has_property($fn, "public")) {
+ return "";
+ }
+ }
+ return "static ";
}
+
#####################################################################
-# parse an array - called in buffers context
-sub ParseArray($)
-{
- my($elt) = shift;
+# parse a function
+sub ParseFunctionPull($)
+{
+ my($fn) = shift;
+ my $static = fn_prefix($fn);
- $res .= "\tfor (i = 0; i < count; i++) {\n";
- if (util::is_scalar_type($elt)) {
- $res .= "\t\toffset = prs_$elt->{TYPE}(tvb, offset, pinfo, tree, NULL, \"$elt->{NAME});\n";
- $res .= "\t}\n\n";
- } else {
- $res .= "\t\toffset = prs_$elt->{TYPE}(tvb, offset, pinfo, tree, \"PARSE_SCALARS\", \"$elt->{NAME}\");\n";
- $res .= "\t}\n\n";
+ # request function
+ pidl "int $fn->{NAME}_rqst(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, guint8 *drep)\n{\n";
- $res .= "\tfor (i = 0; i < count; i++) {\n";
- $res .= "\t\toffset = prs_$elt->{TYPE}(tvb, offset, pinfo, tree, \"PARSE_BUFFERS\", \"$elt->{NAME}\");\n";
- $res .= "\t}\n\n";
- }
+ pidl "\tstruct pidl_pull *ndr = pidl_pull_init(tvb, offset, pinfo, drep);\n";
+ pidl "\tstruct $fn->{NAME} *r = talloc_p(NULL, struct $fn->{NAME});\n";
+ pidl "\tpidl_tree ptree;\n\n";
+
+ pidl "\tptree.proto_tree = tree;\n";
+ pidl "\tptree.subtree_list = NULL;\n\n";
+
+ pidl "\tndr_pull_$fn->{NAME}(ndr, NDR_IN, &ptree, r);\n";
+
+ pidl "\n\treturn ndr->offset;\n";
+ pidl "}\n\n";
+
+ # response function
+ pidl "int $fn->{NAME}_resp(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, guint8 *drep)\n{\n";
+
+ pidl "\tstruct pidl_pull *ndr = pidl_pull_init(tvb, offset, pinfo, drep);\n";
+ pidl "\tstruct $fn->{NAME} *r = talloc_p(NULL, struct $fn->{NAME});\n";
+ pidl "\tpidl_tree ptree;\n\n";
+
+ pidl "\tptree.proto_tree = tree;\n";
+ pidl "\tptree.subtree_list = NULL;\n\n";
+
+ pidl "\tndr_pull_$fn->{NAME}(ndr, NDR_OUT, &ptree, r);\n";
+
+ pidl "\n\treturn ndr->offset;\n";
+ pidl "}\n\n";
}
#####################################################################
-# parse a structure element
-sub ParseElement($$)
+# produce a function call table
+sub FunctionTable($)
{
- my($elt) = shift;
- my($flags) = shift;
+ my($interface) = shift;
+ my($data) = $interface->{DATA};
+
+ pidl "static dcerpc_sub_dissector dcerpc_dissectors[] = {\n";
+ my $num = 0;
+ foreach my $d (@{$data}) {
+ if ($d->{TYPE} eq "FUNCTION") {
+ # Strip module name from function name, if present
+ my($n) = $d->{NAME};
+ $n = substr($d->{NAME}, length($module) + 1),
+ if $module eq substr($d->{NAME}, 0, length($module));
+ pidl "\t{ $num, \"$n\",\n";
+ pidl "\t\t$d->{NAME}_rqst,\n";
+ pidl "\t\t$d->{NAME}_resp },\n";
+ $num++;
+ }
+ }
+ pidl "};\n\n";
+}
- # Arg is a policy handle
-
- if (util::has_property($elt, "context_handle")) {
- $res .= "\toffset = prs_policy_hnd(tvb, offset, pinfo, tree);\n";
- return;
- }
+sub type2ft($)
+{
+ my($t) = shift;
+
+ return "FT_UINT$1" if $t =~ /uint(8|16|32|64)/;
+ return "FT_INT$1" if $t =~ /int(8|16|32|64)/;
+ return "FT_UINT64", if ($t eq "HYPER_T" or $t eq "NTTIME");
+
+ # Type is an enum
- # Parse type
+ return "FT_UINT16";
+}
- if ($flags =~ /scalars/) {
+# Determine the display base for an element
- # Pointers are scalars
+sub elementbase($)
+{
+ my($e) = shift;
- if ($elt->{POINTERS}) {
- $res .= "\t\toffset = prs_ptr(tvb, offset, pinfo, tree, &ptr_$elt->{NAME}, \"$elt->{NAME}\");\n";
- } else {
+ if (my $base = util::has_property($e, "display")) {
+ return "BASE_" . uc($base);
+ }
+
+ return "BASE_DEC", if $e->{TYPE} eq "ENUM";
+ return "BASE_DEC", if $e->{TYPE} =~ /u?int(8|16|32|64)/;
+ return "BASE_DEC", if $e->{TYPE} eq "NTTIME" or $e->{TYPE} eq "HYPER_T";
- # Simple type are scalars too
+ # Probably an enum
- if (util::is_scalar_type($elt->{TYPE})) {
- $res .= "\t\toffset = prs_$elt->{TYPE}(tvb, offset, pinfo, tree, NULL, \"$elt->{NAME}\");\n\n";
- }
- }
+ return "BASE_DEC";
+}
- }
+# Convert a IDL structure field name (e.g access_mask) to a prettier
+# string like 'Access Mask'.
- if ($flags =~ /buffers/) {
+sub field2name($)
+{
+ my($field) = shift;
- # Scalars are not buffers, except if they are pointed to
+ $field =~ s/_/ /g; # Replace underscores with spaces
+ $field =~ s/(\w+)/\u\L$1/g; # Capitalise each word
+
+ return $field;
+}
- if (!util::is_scalar_type($elt->{TYPE}) || $elt->{POINTERS}) {
+sub NeededFunction($)
+{
+ my $fn = shift;
+ $needed{"pull_$fn->{NAME}"} = 1;
+ foreach my $e (@{$fn->{DATA}}) {
+ $e->{PARENT} = $fn;
+ $needed{"pull_$e->{TYPE}"} = 1;
+
+ if (util::is_scalar_type($e->{TYPE})) {
+ $needed{"hf_$e->{NAME}_$e->{TYPE}"} = {
+ 'name' => field2name($e->{NAME}),
+ 'type' => $e->{TYPE},
+ 'ft' => type2ft($e->{TYPE}),
+ 'base' => elementbase($e)
+ }, if !defined($needed{"hf_$e->{NAME}_$e->{TYPE}"});
+ $e->{PARENT} = $fn;
+ } else {
+ $needed{"ett_$e->{TYPE}"} = 1;
+ }
+ }
+}
- # If we have a pointer, check it
+sub NeededTypedef($)
+{
+ my $t = shift;
+ if (util::has_property($t, "public")) {
+ $needed{"pull_$t->{NAME}"} = 1;
+ }
- if ($elt->{POINTERS}) {
- $res .= "\t\tif (ptr_$elt->{NAME})\n\t";
- }
+ if ($t->{DATA}->{TYPE} eq "STRUCT") {
+
+ for my $e (@{$t->{DATA}->{ELEMENTS}}) {
+ $e->{PARENT} = $t->{DATA};
+ if ($needed{"pull_$t->{NAME}"}) {
+ $needed{"pull_$e->{TYPE}"} = 1;
+ }
- if (util::has_property($elt, "size_is")) {
- ParseArray($elt);
- } else {
- $res .= "\t\toffset = prs_$elt->{TYPE}(tvb, offset, pinfo, tree, ";
- if (util::is_scalar_type($elt->{TYPE})) {
- $res .= "NULL, ";
+ if (util::is_scalar_type($e->{TYPE})) {
+
+ if (defined($e->{ARRAY_LEN}) or
+ util::has_property($e, "size_is")) {
+
+ # Arrays of scalar types are FT_BYTES
+
+ $needed{"hf_$e->{NAME}_$e->{TYPE}_array"} = {
+ 'name' => field2name($e->{NAME}),
+ 'type' => $e->{TYPE},
+ 'ft' => "FT_BYTES",
+ 'base' => elementbase($e)
+ };
+
+ } else {
+ $needed{"hf_$e->{NAME}_$e->{TYPE}"} = {
+ 'name' => field2name($e->{NAME}),
+ 'type' => $e->{TYPE},
+ 'ft' => type2ft($e->{TYPE}),
+ 'base' => elementbase($e)
+ };
+ }
+
+ $e->{PARENT} = $t->{DATA};
+
+ if ($needed{"pull_$t->{NAME}"}) {
+ $needed{"pull_$e->{TYPE}"} = 1;
+ }
+
} else {
- $res .= "flags, ";
+
+ $needed{"ett_$e->{TYPE}"} = 1;
+
}
- $res .= "\"$elt->{NAME}\");\n\n";
}
}
- }
- return;
+ if ($t->{DATA}->{TYPE} eq "UNION") {
+ for my $e (@{$t->{DATA}->{DATA}}) {
+ $e->{PARENT} = $t->{DATA};
+ if ($e->{TYPE} eq "UNION_ELEMENT") {
+ if ($needed{"pull_$t->{NAME}"}) {
+ $needed{"pull_$e->{DATA}->{TYPE}"} = 1;
+ }
+ $needed{"ett_$e->{DATA}{TYPE}"} = 1;
+ }
+ }
+
+ $needed{"ett_$t->{NAME}"} = 1;
+ }
+
+ if ($t->{DATA}->{TYPE} eq "ENUM") {
+ $needed{"hf_$t->{NAME}"} = {
+ 'name' => $t->{NAME},
+ 'ft' => 'FT_UINT16',
+ 'base' => 'BASE_DEC'
+ };
+ }
}
#####################################################################
-# parse a struct
-sub ParseStruct($)
+# work out what parse functions are needed
+sub BuildNeeded($)
{
- my($struct) = shift;
+ my($interface) = shift;
+ my($data) = $interface->{DATA};
+ foreach my $d (@{$data}) {
+ ($d->{TYPE} eq "FUNCTION") &&
+ NeededFunction($d);
+ }
+ foreach my $d (reverse @{$data}) {
+ ($d->{TYPE} eq "TYPEDEF") &&
+ NeededTypedef($d);
+ }
+}
- if (defined $struct->{ELEMENTS}) {
+#####################################################################
+# parse the interface definitions
+sub ModuleHeader($)
+{
+ my($h) = shift;
- # Parse scalars
+ $if_uuid = $h->{PROPERTIES}->{uuid};
+ $if_version = $h->{PROPERTIES}->{version};
+ $if_endpoints = $h->{PROPERTIES}->{endpoints};
+}
- $res .= "\tif (flags & PARSE_SCALARS) {\n";
+#####################################################################
+# Generate a header file that contains function prototypes for
+# structs and typedefs.
+sub ParseHeader($$)
+{
+ my($idl) = shift;
+ my($filename) = shift;
- foreach my $e (@{$struct->{ELEMENTS}}) {
- ParseElement($e, "scalars");
- }
+ open(OUT, ">$filename") || die "can't open $filename";
- $res .= "\t}\n\n";
+ pidl "/* parser auto-generated by pidl */\n\n";
- # Parse buffers
+ foreach my $x (@{$idl}) {
+ if ($x->{TYPE} eq "INTERFACE") {
+ foreach my $d (@{$x->{DATA}}) {
- $res .= "\tif (flags & PARSE_BUFFERS) {\n";
+ # Make prototypes for [public] structures and
+ # unions.
- foreach my $e (@{$struct->{ELEMENTS}}) {
- ParseElement($e, "buffers");
+ if ($d->{TYPE} eq "TYPEDEF" and
+ util::has_property($d, "public")) {
+
+ if ($d->{DATA}{TYPE} eq "STRUCT") {
+ pidl "void ndr_pull_$d->{NAME}(struct ndr_pull *ndr, int ndr_flags, proto_tree *tree, struct $d->{NAME} *r);\n\n";
+ }
+
+ if ($d->{DATA}{TYPE} eq "UNION") {
+ pidl "void ndr_pull_$d->{NAME}(struct ndr_pull *ndr, int ndr_flags, proto_tree *tree, union $d->{NAME} *r, uint16 level);\n\n";
+ }
+ }
+ }
+ }
}
- $res .= "\t}\n\n";
- }
+ close(OUT);
}
-
#####################################################################
-# parse a union element
-sub ParseUnionElement($)
+# rewrite autogenerated header file
+sub RewriteHeader($$$)
{
- my($element) = shift;
-
- $res .= "\tcase $element->{DATA}->{NAME}: \n";
- $res .= "\t\toffset = prs_$element->{DATA}->{TYPE}(tvb, offset, pinfo, tree, \"$element->{DATA}->{NAME}\");\n\t\tbreak;\n";
+ my($idl) = shift;
+ my($input) = shift;
+ my($output) = shift;
-}
+ %needed = ();
-#####################################################################
-# parse a union
-sub ParseUnion($)
-{
- my($union) = shift;
+ # Open files
+
+ open(IN, "<$input") || die "can't open $input for reading";
+ open(OUT, ">$output") || die "can't open $output for writing";
+
+ # Read through file
+
+ while(<IN>) {
+
+ # Not interested in ndr_push or ndr_print routines as they
+ # define structures we aren't interested in.
+
+ s/^NTSTATUS ndr_push.*?;\n//smg;
+ s/^void ndr_print.*?;\n//smg;
+
+ # Get rid of async send and receive function.
+
+ s/^NTSTATUS dcerpc_.*?;//smg;
+ s/^struct rpc_request.*?;//smg;
+
+ # Rewrite librpc includes
+
+ s/^\#include\ \"librpc\/gen_ndr\/ndr_(.*?).h\"$
+ /\#include \"packet-dcerpc-$1.h\"/smgx;
+
+ # Convert samba fixed width types to stdint types
+
+ s/((u)?int)([0-9]+)/$1$3_t/smg;
+
+ # Rename struct ndr_pull to struct pidl_pull
+
+ s/struct ndr_pull \*ndr/struct pidl_pull \*ndr/smg;
+
+ # Change prototypes for public functions
+
+ s/(struct pidl_pull \*ndr, int ndr_flags)/$1, pidl_tree *tree/smg;
+
+ # Bitmaps
- $res .= "\tswitch (level) {\n";
+ s/(uint32_t \*r\);)/pidl_tree *tree, int hf, $1/smg;
- (defined $union->{PROPERTIES}) && ParseProperties($union->{PROPERTIES});
- foreach my $e (@{$union->{DATA}}) {
- ParseUnionElement($e);
+ pidl $_;
}
-
- $res .= "\t}\n";
+
+ close(OUT);
}
#####################################################################
-# parse a type
-sub ParseType($)
+# rewrite autogenerated C file
+sub RewriteC($$$)
{
- my($data) = shift;
+ my($idl) = shift;
+ my($input) = shift;
+ my($output) = shift;
- if (ref($data) eq "HASH") {
- ($data->{TYPE} eq "STRUCT") &&
- ParseStruct($data);
- ($data->{TYPE} eq "UNION") &&
- ParseUnion($data);
- } else {
- $res .= "$data";
+ # Open files
+
+ open(IN, "<$input") || die "can't open $input for reading";
+ open(OUT, ">$output") || die "can't open $output for writing";
+
+ # Get name of module
+
+ foreach my $x (@{$idl}) {
+ if ($x->{TYPE} eq "INTERFACE") {
+ ModuleHeader($x);
+ $module = $x->{NAME};
+ BuildNeeded($x);
+ }
}
-}
-#####################################################################
-# parse a typedef
-sub ParseTypedef($)
-{
- my($typedef) = shift;
+ pidl "#include \"eparser.h\"\n\n";
- $res .= "static int prs_$typedef->{NAME}(tvbuff_t *tvb, int offset,\
-\tpacket_info *pinfo, proto_tree *tree, int flags, char *name)\n{\n";
- ParseType($typedef->{DATA});
- $res .= "\treturn offset;\n";
- $res .= "}\n\n";
-}
+ pidl "extern const value_string NT_errors[];\n\n";
-#####################################################################
-# parse a function
-sub ParseFunctionArg($$)
-{
- my($arg) = shift;
- my($io) = shift; # "in" or "out"
+ # Declarations for hf variables
- if (util::has_property($arg, $io)) {
+ pidl "static int hf_opnum = -1;\n";
+ pidl "static int hf_ptr = -1;\n";
+ pidl "static int hf_array_size = -1;\n";
+ pidl "static int hf_result_NTSTATUS = -1;\n";
- # For some reason, pointers to elements in function definitions
- # aren't parsed.
+ foreach my $y (keys(%needed)) {
+ pidl "static int $y = -1;\n", if $y =~ /^hf_/;
+ }
- if (defined($arg->{POINTERS}) && !util::is_scalar_type($arg->{TYPE})) {
- $arg->{POINTERS} -= 1, if ($arg->{POINTERS} > 0);
- delete($arg->{POINTERS}), if ($arg->{POINTERS} == 0);
- }
+ pidl "\n";
- ParseElement($arg, "scalars|buffers");
+ foreach my $y (keys(%needed)) {
+ pidl "static gint $y = -1;\n", if $y =~ /^ett_/;
}
-}
-
-#####################################################################
-# parse a function
-sub ParseFunction($)
-{
- my($function) = shift;
- # Input function
+ pidl "\n";
+
+ # Read through file
+
+ while(<IN>) {
+
+ #
+ # Regexps to do a first pass at removing stuff we aren't
+ # interested in for ehtereal parsers.
+ #
+
+ # Remove the NDR_CHECK() macro calls. Ethereal take care of
+ # this for us as part of the tvbuff_t structure.
+
+ s/NDR_CHECK\((.*)\)/$1/g;
+
+ # We're not interested in ndr_{print,push,size} functions so
+ # just delete them.
+
+ next, if /^(static )?NTSTATUS ndr_push/ .. /^}/;
+ next, if /^void ndr_print/ .. /^}/;
+ next, if /^size_t ndr_size/ .. /^}/;
+
+ # Get rid of dcerpc interface structures and functions since
+ # they are also not very interesting.
+
+next, if /^static const struct dcerpc_interface_call/ .. /^};/;
+next, if /^static const char \* const [a-z]+_endpoint_strings/ ../^};/;
+next, if /^static const struct dcerpc_endpoint_list/ .. /^};/;
+next, if /^const struct dcerpc_interface_table/ .. /^};/;
+next, if /^static NTSTATUS dcerpc_ndr_[a-z]+_init/ .. /^}/;
+next, if /^NTSTATUS dcerpc_[a-z]+_init/ .. /^}/;
+
+ # Rewrite includes to packet-dcerpc-foo.h instead of ndr_foo.h
+
+ s/^\#include \".*?ndr_(.*?).h\"$/\#include \"packet-dcerpc-$1.h\"/smg;
+
+ #
+ # OK start wrapping the ndr_pull functions that actually
+ # implement the NDR decoding routines. This mainly consists
+ # of adding a couple of parameters to each function call.
+ #
+
+ # Add proto tree and hf argument to ndr_pull_ptr() calls.
+
+ s/(ndr_pull_ptr\(ndr,\ ([^\)]*?)\);)
+ /ndr_pull_ptr(ndr, tree, hf_ptr, $2);/smgx;
+
+ # Wrap ndr_pull_array_size() and ndr_pull_array_length()
+ # functions. Add leading space in front of first parameter so
+ # we won't get caught by later regexps.
+
+ s/(ndr_pull_array_(size|length)\(ndr,\ ([^\)]*?)\);)
+ /ndr_pull_array_$2( ndr, tree, $3);/smgx;
+
+ # Add tree argument to ndr_pull_array() and
+ # ndr_pull_array_foo() calls.
+
+ s/(ndr_pull_array\(
+ ndr,\
+ ([^,]*?),\ # NDR_SCALARS etc
+ (\(void\ \*\*\)r->(in|out|)\.?([^,]*?)),\ # Pointer to array entries
+ ([^\)].*?)\);) # All other arguments
+ /ndr_pull_array( ndr, $2, tree, $3, $6);/smgx;
+
+ s/(ndr_pull_array_([^\(]*?)\(
+ ndr,\
+ ([^,]*?),\ # NDR_SCALARS etc
+ (r->((in|out).)?([^,]*?)),\ # Pointer to array elements
+ (.*?)\);) # Number of elements
+ /ndr_pull_array_$2( ndr, $3, tree, hf_$7_$2_array, $4, $8);/smgx;
+
+ # Save ndr_pull_relative{1,2}() calls from being wrapped by the
+ # proceeding regexp by adding a leading space.
+
+ s/ndr_pull_(relative1|relative2)\((.*?)\);/
+ ndr_pull_$1( $2);/smgx;
+
+ # Call ethereal wrappers for pull of scalar values in
+ # structures and functions, e.g
+ #
+ # ndr_pull_uint32(ndr, &r->in.access_mask);
+ # ndr_pull_uint32(ndr, &r->idx);
+
+ s/(ndr_pull_([^\)]*?)
+ \(ndr,\
+ (&?r->((in|out)\.)? # Function args contain leading junk
+ ([^\)]*?)) # Element name
+ \);)
+ /ndr_pull_$2(ndr, tree, hf_$6_$2, $3);/smgx;
+
+ # Add tree and hf argument to pulls of "internal" scalars like
+ # array sizes, levels, etc.
+
+ s/(ndr_pull_(uint32|uint16)\(
+ ndr,\
+ (&_([^\)]*?)) # Internal arg names have leading underscore
+ \);)
+ /ndr_pull_$2(ndr, tree, hf_$4, $3);/smgx;
+
+ # Add subtree argument to calls dissecting structures, e.g
+ #
+ # ndr_pull_string(ndr, NDR_SCALARS|NDR_BUFFERS, &r->command);
+ # ndr_pull_atsvc_enum_ctr(ndr, NDR_SCALARS|NDR_BUFFERS, r->in.ctr);
+
+ s/(ndr_pull_([^\)]*?)\(
+ ndr,\
+ (NDR_[^,]*?),\
+ ([^\(].*?)\);)
+ /ndr_pull_$2(ndr, $3, get_subtree(tree, \"$2\", ndr, ett_$2), $4);
+ /smgx;
+
+ # Add proto_tree parameter to pull function prototypes, e.g
+ #
+ # static NTSTATUS ndr_pull_atsvc_JobInfo(struct ndr_pull *ndr,
+ # int ndr_flags, struct atsvc_JobInfo *r)
- $res .= "static int $function->{NAME}_q(tvbuff_t *tvb, int offset,\
-\tpacket_info *pinfo, proto_tree *tree, char *drep)\n{\n";
+ s/^((static\ )?NTSTATUS\ ndr_pull_([^\(]*?)\(
+ struct\ ndr_pull\ \*ndr,\
+ int\ (ndr_)?flags)
+ /$1, proto_tree \*tree/smgx;
- foreach my $arg (@{$function->{DATA}}) {
- ParseFunctionArg($arg, "in");
+ # Add proto_tree parameter to ndr_pull_subcontext_flags_fn()
+
+ s/(ndr_pull_subcontext_flags_fn\(ndr)(.*?);/$1, tree$2;/smg;
+
+ # Get rid of ndr_pull_error() calls for the moment. Ethereal
+ # should take care of buffer overruns and inconsistent array
+ # sizes for us but it would be nice to have some error text in
+ # the dissection.
+
+ s/(return ndr_pull_error([^;]*?);)/return NT_STATUS_OK; \/\/ $1/smg;
+
+ # Rename proto_tree args to pidl_tree
+
+ s/(int (ndr_)?flags), proto_tree \*tree/$1, pidl_tree \*tree/smg;
+
+ # Rename struct ndr_pull to struct pidl_pull
+
+ s/struct ndr_pull \*ndr/struct pidl_pull \*ndr/smg;
+
+ # Fix some internal variable declarations
+
+ s/uint(16|32) _level/uint$1_t _level/smg;
+ s/ndr_pull_([^\(]*)\(ndr,\ tree,\ hf_level,\ &_level\);
+ /ndr_pull_$1(ndr, tree, hf_level_$1, &_level);/smgx;
+
+ # Enums
+
+ s/(^static\ NTSTATUS\ ndr_pull_(.+?),\ (enum\ .+?)\))
+ /static NTSTATUS ndr_pull_$2, pidl_tree *tree, int hf, $3)/smgx;
+ s/uint(8|16|32) v;/uint$1_t v;/smg;
+ s/(ndr_pull_([^\)]*?)\(ndr,\ &v\);)
+ /ndr_pull_$2(ndr, tree, hf, &v);/smgx;
+
+ s/(ndr_pull_([^\(]+?)\(ndr,\ &_level\);)
+ /ndr_pull_$2(ndr, tree, hf_$2, &_level);/smgx;
+
+ # Bitmaps
+
+s/(^(static\ )?NTSTATUS\ ndr_pull_(.+?),\ uint32\ \*r\))
+ /NTSTATUS ndr_pull_$3, pidl_tree *tree, int hf, uint32_t *r)/smgx;
+
+ pidl $_;
}
-
- $res .= "\n\treturn offset;\n}\n\n";
-
- # Output function
- $res .= "static int $function->{NAME}_r(tvbuff_t *tvb, int offset,\
-\tpacket_info *pinfo, proto_tree *tree, char *drep)\n{\n";
+ # Function call table
+
+ foreach my $x (@{$idl}) {
+ if ($x->{TYPE} eq "INTERFACE") {
+ foreach my $y (@{$x->{"INHERITED_DATA"}}) {
+ ($y->{TYPE} eq "FUNCTION") && ParseFunctionPull($y);
+ }
- foreach my $arg (@{$function->{DATA}}) {
- ParseFunctionArg($arg, "out");
+ FunctionTable($x);
+ }
}
- $res .= "\n\toffset = prs_ntstatus(tvb, offset, pinfo, tree);\n";
+ # Ethereal protocol registration
- $res .= "\n\treturn offset;\n}\n\n";
+ pidl "int proto_dcerpc_pidl_$module = -1;\n\n";
-}
+ pidl "static gint ett_dcerpc_$module = -1;\n\n";
-#####################################################################
-# parse the interface definitions
-sub ParseInterface($)
-{
- my($interface) = shift;
- my($data) = $interface->{DATA};
- foreach my $d (@{$data}) {
- ($d->{TYPE} eq "TYPEDEF") &&
- ParseTypedef($d);
- ($d->{TYPE} eq "FUNCTION") &&
- ParseFunction($d);
+ if (defined($if_uuid)) {
+
+ pidl "static e_uuid_t uuid_dcerpc_$module = {\n";
+ pidl "\t0x" . substr($if_uuid, 1, 8);
+ pidl ", 0x" . substr($if_uuid, 10, 4);
+ pidl ", 0x" . substr($if_uuid, 15, 4) . ",\n";
+ pidl "\t{ 0x" . substr($if_uuid, 20, 2);
+ pidl ", 0x" . substr($if_uuid, 22, 2);
+ pidl ", 0x" . substr($if_uuid, 25, 2);
+ pidl ", 0x" . substr($if_uuid, 27, 2);
+ pidl ", 0x" . substr($if_uuid, 29, 2);
+ pidl ", 0x" . substr($if_uuid, 31, 2);
+ pidl ", 0x" . substr($if_uuid, 33, 2);
+ pidl ", 0x" . substr($if_uuid, 35, 2) . " }\n";
+ pidl "};\n\n";
}
-}
+ if (defined($if_version)) {
+ pidl "static guint16 ver_dcerpc_$module = " . $if_version . ";\n\n";
+ }
-#####################################################################
-# parse a parsed IDL structure back into an IDL file
-sub Parse($)
-{
- my($idl) = shift;
- $res = "/* parser auto-generated by pidl */\n\n";
- foreach my $x (@{$idl}) {
- ($x->{TYPE} eq "INTERFACE") &&
- ParseInterface($x);
+ pidl "void proto_register_dcerpc_pidl_$module(void)\n";
+ pidl "{\n";
+
+ pidl "\tstatic hf_register_info hf[] = {\n";
+ pidl "\t{ &hf_opnum, { \"Operation\", \"$module.opnum\", FT_UINT16, BASE_DEC, NULL, 0x0, \"Operation\", HFILL }},\n";
+ pidl "\t{ &hf_result_NTSTATUS, { \"Return code\", \"$module.rc\", FT_UINT32, BASE_HEX, VALS(NT_errors), 0x0, \"Return status code\", HFILL }},\n";
+ pidl "\t{ &hf_ptr, { \"Pointer\", \"$module.ptr\", FT_UINT32, BASE_HEX, NULL, 0x0, \"Pointer\", HFILL }},\n";
+
+ foreach my $x (keys(%needed)) {
+ next, if !($x =~ /^hf_/);
+ pidl "\t{ &$x,\n";
+ pidl "\t { \"$needed{$x}{name}\", \"$x\", $needed{$x}{ft}, $needed{$x}{base}, NULL, 0, \"$x\", HFILL }},\n";
+ }
+
+ pidl "\t};\n\n";
+
+ pidl "\tstatic gint *ett[] = {\n";
+ pidl "\t\t&ett_dcerpc_$module,\n";
+ foreach my $x (keys(%needed)) {
+ pidl "\t\t&$x,\n", if $x =~ /^ett_/;
}
- return $res;
+ pidl "\t};\n\n";
+
+ if (defined($if_uuid)) {
+
+ pidl "\tproto_dcerpc_pidl_$module = proto_register_protocol(\"pidl_$module\", \"pidl_$module\", \"pidl_$module\");\n\n";
+
+ pidl "\tproto_register_field_array(proto_dcerpc_pidl_$module, hf, array_length (hf));\n";
+ pidl "\tproto_register_subtree_array(ett, array_length(ett));\n";
+
+ pidl "}\n\n";
+
+ pidl "void proto_reg_handoff_dcerpc_pidl_$module(void)\n";
+ pidl "{\n";
+ pidl "\tdcerpc_init_uuid(proto_dcerpc_pidl_$module, ett_dcerpc_$module, \n";
+ pidl "\t\t&uuid_dcerpc_$module, ver_dcerpc_$module, \n";
+ pidl "\t\tdcerpc_dissectors, hf_opnum);\n";
+ pidl "}\n";
+
+ } else {
+
+ pidl "\tint proto_dcerpc;\n\n";
+ pidl "\tproto_dcerpc = proto_get_id_by_filter_name(\"dcerpc\");\n";
+ pidl "\tproto_register_field_array(proto_dcerpc, hf, array_length(hf));\n";
+ pidl "\tproto_register_subtree_array(ett, array_length(ett));\n";
+
+ pidl "}\n";
+
+ }
+
+ close(OUT);
}
1;