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authorStefan Metzmacher <metze@samba.org>2012-03-15 17:03:05 +0100
committerKarolin Seeger <kseeger@samba.org>2012-04-10 18:21:59 +0200
commit224379ba70a6939bd6a92012f023caeb7e43d6b7 (patch)
tree76b0e8b81a69af3794df22c22c574f760dd16725 /pidl
parentab5560309afb2bad1aa02c82baeda3dbc0fc95be (diff)
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pidl/NDR/Parser: also do range checks on the array size
metze Autobuild-User: Karolin Seeger <kseeger@samba.org> Autobuild-Date: Tue Apr 10 18:21:59 CEST 2012 on sn-devel-104
Diffstat (limited to 'pidl')
-rw-r--r--pidl/lib/Parse/Pidl/Samba4/NDR/Parser.pm25
1 files changed, 20 insertions, 5 deletions
diff --git a/pidl/lib/Parse/Pidl/Samba4/NDR/Parser.pm b/pidl/lib/Parse/Pidl/Samba4/NDR/Parser.pm
index 541e52926d..8eb935bf22 100644
--- a/pidl/lib/Parse/Pidl/Samba4/NDR/Parser.pm
+++ b/pidl/lib/Parse/Pidl/Samba4/NDR/Parser.pm
@@ -341,6 +341,20 @@ sub ParseArrayPullGetSize($$$$$$)
$self->pidl("size_$e->{NAME}_$l->{LEVEL_INDEX} = $size;");
my $array_size = "size_$e->{NAME}_$l->{LEVEL_INDEX}";
+ if (my $range = has_property($e, "range")) {
+ my ($low, $high) = split(/,/, $range, 2);
+ if ($low < 0) {
+ warning(0, "$low is invalid for the range of an array size");
+ }
+ if ($low == 0) {
+ $self->pidl("if ($array_size > $high) {");
+ } else {
+ $self->pidl("if ($array_size < $low || $array_size > $high) {");
+ }
+ $self->pidl("\treturn ndr_pull_error($ndr, NDR_ERR_RANGE, \"value out of range\");");
+ $self->pidl("}");
+ }
+
return $array_size;
}
@@ -354,13 +368,14 @@ sub ParseArrayPullGetLength($$$$$$;$)
$array_size = $self->ParseArrayPullGetSize($e, $l, $ndr, $var_name, $env);
}
- my $array_length = $array_size;
- if ($l->{IS_VARYING}) {
- my $length = "ndr_get_array_length($ndr, " . get_pointer_to($var_name) .")";
- $self->pidl("length_$e->{NAME}_$l->{LEVEL_INDEX} = $length;");
- $array_length = "length_$e->{NAME}_$l->{LEVEL_INDEX}";
+ if (not $l->{IS_VARYING}) {
+ return $array_size;
}
+ my $length = "ndr_get_array_length($ndr, " . get_pointer_to($var_name) .")";
+ $self->pidl("length_$e->{NAME}_$l->{LEVEL_INDEX} = $length;");
+ my $array_length = "length_$e->{NAME}_$l->{LEVEL_INDEX}";
+
if (my $range = has_property($e, "range")) {
my ($low, $high) = split(/,/, $range, 2);
if ($low < 0) {