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-rw-r--r--pidl/lib/Parse/Pidl/Wireshark/NDR.pm115
1 files changed, 96 insertions, 19 deletions
diff --git a/pidl/lib/Parse/Pidl/Wireshark/NDR.pm b/pidl/lib/Parse/Pidl/Wireshark/NDR.pm
index ef87908fbc..b54b8f0af0 100644
--- a/pidl/lib/Parse/Pidl/Wireshark/NDR.pm
+++ b/pidl/lib/Parse/Pidl/Wireshark/NDR.pm
@@ -270,11 +270,9 @@ sub Bitmap($$$$)
$self->register_type($name, "offset = $dissectorname(tvb, offset, pinfo, tree, drep, \@HF\@, \@PARAM\@);", "FT_UINT$size", "BASE_HEX", "0", "NULL", $size/8);
}
-sub ElementLevel($$$$$$$)
+sub ElementLevel($$$$$$$$)
{
- my ($self,$e,$l,$hf,$myname,$pn,$ifname) = @_;
-
- my $param = 0;
+ my ($self,$e,$l,$hf,$myname,$pn,$ifname,$param) = @_;
if (defined($self->{conformance}->{dissectorparams}->{$myname})) {
$param = $self->{conformance}->{dissectorparams}->{$myname}->{PARAM};
@@ -360,6 +358,10 @@ sub ElementLevel($$$$$$$)
$self->pidl_code($call);
}
} elsif ($_->{TYPE} eq "SUBCONTEXT") {
+ my $varswitch;
+ if (has_property($e, "switch_is")) {
+ $varswitch = $e->{PROPERTIES}->{switch_is};
+ }
my $num_bits = ($l->{HEADER_SIZE}*8);
my $hf2 = $self->register_hf_field($hf."_", "Subcontext length", "$ifname.$pn.$_->{NAME}subcontext", "FT_UINT$num_bits", "BASE_HEX", "NULL", 0, "");
$self->{hf_used}->{$hf2} = 1;
@@ -375,19 +377,46 @@ sub ElementLevel($$$$$$$)
$self->pidl_code("offset = dissect_ndr_uint$num_bits(tvb, offset, pinfo, tree, drep, $hf2, &size);");
$self->pidl_code("subtvb = tvb_new_subset(tvb, offset, size, -1);");
- $self->pidl_code("$myname\_(subtvb, 0, pinfo, tree, drep);");
+ if ($param ne 0) {
+ $self->pidl_code("$myname\_(subtvb, 0, pinfo, tree, drep, $param);");
+ } else {
+ $self->pidl_code("$myname\_(subtvb, 0, pinfo, tree, drep);");
+ }
+ $self->pidl_code("offset += size;");
+ $self->deindent;
+ $self->pidl_code("}");
} else {
die("Unknown type `$_->{TYPE}'");
}
}
-sub Element($$$)
+sub Element($$$$$)
{
- my ($self,$e,$pn,$ifname) = @_;
+ my ($self,$e,$pn,$ifname,$isoruseswitch) = @_;
my $dissectorname = "$ifname\_dissect\_element\_".StripPrefixes($pn, $self->{conformance}->{strip_prefixes})."\_".StripPrefixes($e->{NAME}, $self->{conformance}->{strip_prefixes});
- my $call_code = "offset = $dissectorname(tvb, offset, pinfo, tree, drep);";
+ my ($call_code, $moreparam);
+ my $param = 0;
+ if (defined $isoruseswitch) {
+ my $type = $isoruseswitch->[0];
+ my $name = $isoruseswitch->[1];
+
+ my $switch_dt = getType($type);
+ my $switch_type;
+ if ($switch_dt->{DATA}->{TYPE} eq "ENUM") {
+ $switch_type = "g".Parse::Pidl::Typelist::enum_type_fn($switch_dt->{DATA});
+ } elsif ($switch_dt->{DATA}->{TYPE} eq "SCALAR") {
+ $switch_type = "g$e->{SWITCH_TYPE}";
+ }
+ $moreparam = ", $switch_type *".$name;
+ $param = $name;
+ $call_code = "offset = $dissectorname(tvb, offset, pinfo, tree, drep, &$name);";
+ } else {
+ $moreparam = "";
+ $call_code = "offset = $dissectorname(tvb, offset, pinfo, tree, drep);";
+ }
+
my $type = $self->find_type($e->{TYPE});
@@ -420,16 +449,24 @@ sub Element($$$)
my $add = "";
+ my $oldparam = undef;
foreach (@{$e->{LEVELS}}) {
+ if (defined $_->{SWITCH_IS}) {
+ $oldparam = $param;
+ $param = "*$param";
+ }
next if ($_->{TYPE} eq "SWITCH");
- $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_);");
+ $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_$moreparam);");
$self->pidl_fn_start("$dissectorname$add");
$self->pidl_code("static int");
- $self->pidl_code("$dissectorname$add(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *tree _U_, guint8 *drep _U_)");
+ $self->pidl_code("$dissectorname$add(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *tree _U_, guint8 *drep _U_$moreparam)");
$self->pidl_code("{");
$self->indent;
- $self->ElementLevel($e,$_,$hf,$dissectorname.$add,$pn,$ifname);
+ $self->ElementLevel($e,$_,$hf,$dissectorname.$add,$pn,$ifname,$param);
+ if (defined $oldparam) {
+ $param = $oldparam;
+ }
$self->pidl_code("");
$self->pidl_code("return offset;");
@@ -450,7 +487,7 @@ sub Function($$$)
my %dissectornames;
foreach (@{$fn->{ELEMENTS}}) {
- $dissectornames{$_->{NAME}} = $self->Element($_, $fn->{NAME}, $ifname) if not defined($dissectornames{$_->{NAME}});
+ $dissectornames{$_->{NAME}} = $self->Element($_, $fn->{NAME}, $ifname, undef) if not defined($dissectornames{$_->{NAME}});
}
my $fn_name = $_->{NAME};
@@ -551,7 +588,40 @@ sub Struct($$$$)
$self->register_ett("ett_$ifname\_$name");
my $res = "";
- ($res.="\t".$self->Element($_, $name, $ifname)."\n\n") foreach (@{$e->{ELEMENTS}});
+ my $varswitchs = {};
+ # will contain the switch var declaration;
+ my $vars = [];
+ foreach (@{$e->{ELEMENTS}}) {
+ if (has_property($_, "switch_is")) {
+ $varswitchs->{$_->{PROPERTIES}->{switch_is}} = [];
+ }
+ }
+ foreach (@{$e->{ELEMENTS}}) {
+ my $switch_info = undef;
+
+ my $v = $_->{NAME};
+ if (scalar(grep {/$v/} keys(%$varswitchs)) == 1) {
+ # This element is one of the switch attribute
+ my $switch_dt = getType($_->{TYPE});
+ my $switch_type;
+ if ($switch_dt->{DATA}->{TYPE} eq "ENUM") {
+ $switch_type = "g".Parse::Pidl::Typelist::enum_type_fn($switch_dt->{DATA});
+ } elsif ($switch_dt->{DATA}->{TYPE} eq "SCALAR") {
+ $switch_type = "g$e->{SWITCH_TYPE}";
+ }
+
+ push @$vars, "$switch_type $v;";
+ $switch_info = [ $_->{TYPE}, $v ];
+ $varswitchs->{$v} = $switch_info;
+ }
+
+ if (has_property($_, "switch_is")) {
+ my $varswitch = $_->{PROPERTIES}->{switch_is};
+ $switch_info = $varswitchs->{$varswitch};
+ }
+
+ $res.="\t".$self->Element($_, $name, $ifname, $switch_info)."\n\n";
+ }
$self->pidl_hdr("int $dissectorname(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *parent_tree _U_, guint8 *drep _U_, int hf_index _U_, guint32 param _U_);");
@@ -560,6 +630,7 @@ sub Struct($$$$)
$self->pidl_code("$dissectorname(tvbuff_t *tvb _U_, int offset _U_, packet_info *pinfo _U_, proto_tree *parent_tree _U_, guint8 *drep _U_, int hf_index _U_, guint32 param _U_)");
$self->pidl_code("{");
$self->indent;
+ $self->pidl_code($_) foreach (@$vars);
$self->pidl_code("proto_item *item = NULL;");
$self->pidl_code("proto_tree *tree = NULL;");
if ($e->{ALIGN} > 1) {
@@ -616,7 +687,7 @@ sub Union($$$$)
foreach (@{$e->{ELEMENTS}}) {
$res.="\n\t\t$_->{CASE}:\n";
if ($_->{TYPE} ne "EMPTY") {
- $res.="\t\t\t".$self->Element($_, $name, $ifname)."\n";
+ $res.="\t\t\t".$self->Element($_, $name, $ifname, undef)."\n";
}
$res.="\t\tbreak;\n";
}
@@ -640,7 +711,11 @@ sub Union($$$$)
$self->pidl_code("proto_item *item = NULL;");
$self->pidl_code("proto_tree *tree = NULL;");
$self->pidl_code("int old_offset;");
- $self->pidl_code("$switch_type level;");
+ if (!defined $switch_type) {
+ $self->pidl_code("guint32 level = param;");
+ } else {
+ $self->pidl_code("$switch_type level;");
+ }
$self->pidl_code("");
$self->pidl_code("old_offset = offset;");
@@ -653,11 +728,13 @@ sub Union($$$$)
$self->pidl_code("");
- $self->pidl_code("offset = $switch_dissect(tvb, offset, pinfo, tree, drep, hf_index, &level);");
+ if (defined $switch_type) {
+ $self->pidl_code("offset = $switch_dissect(tvb, offset, pinfo, tree, drep, hf_index, &level);");
- if ($e->{ALIGN} > 1) {
- $self->pidl_code("ALIGN_TO_$e->{ALIGN}_BYTES;");
- $self->pidl_code("");
+ if ($e->{ALIGN} > 1) {
+ $self->pidl_code("ALIGN_TO_$e->{ALIGN}_BYTES;");
+ $self->pidl_code("");
+ }
}
generated by cgit (git 2.34.1) at 2024-11-25 03:21:32 +0000