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-rw-r--r--source4/pidl/lib/Parse/Pidl/Samba3/Parser.pm111
-rw-r--r--source4/pidl/lib/Parse/Pidl/Samba3/Types.pm2
2 files changed, 70 insertions, 43 deletions
diff --git a/source4/pidl/lib/Parse/Pidl/Samba3/Parser.pm b/source4/pidl/lib/Parse/Pidl/Samba3/Parser.pm
index d1188e7011..b65ece5a12 100644
--- a/source4/pidl/lib/Parse/Pidl/Samba3/Parser.pm
+++ b/source4/pidl/lib/Parse/Pidl/Samba3/Parser.pm
@@ -27,6 +27,23 @@ sub fatal($$) { my ($e,$s) = @_; die("$e->{FILE}:$e->{LINE}: $s\n"); }
#TODO:
# - Add some security checks (array sizes, memory alloc == NULL, etc)
# - Don't add seperate _p and _d functions if there is no deferred data
+# - [string]
+# - subcontext()
+# - DATA_BLOB
+
+sub Align($$)
+{
+ my ($a,$b) = @_;
+
+ # Only align if previous element was smaller then current one
+ if ($$a < $b) {
+ pidl "if (!prs_align_custom(ps, $b))";
+ pidl "\treturn False;";
+ pidl "";
+ }
+
+ $$a = $b;
+}
sub DeclareArrayVariables
{
@@ -50,12 +67,19 @@ sub DeclareArrayVariables
pidl "" if $output;
}
-sub ParseElementLevelData($$$$$$)
+sub ParseElementLevelData($$$$$$$)
{
- my ($e,$l,$nl,$env,$varname,$what) = @_;
+ my ($e,$l,$nl,$env,$varname,$what,$align) = @_;
my @args = ($e,$l,$varname,$what);
+ if (defined($e->{ALIGN})) {
+ Align($align, $e->{ALIGN});
+ } else {
+ # Default to 4
+ Align($align, 4);
+ }
+
# See if we need to add a level argument because we're parsing a union
foreach (@{$e->{LEVELS}}) {
push (@args, ParseExpr("level_$e->{NAME}", $env))
@@ -69,9 +93,9 @@ sub ParseElementLevelData($$$$$$)
pidl "\treturn False;";
}
-sub ParseElementLevelArray($$$$$$)
+sub ParseElementLevelArray($$$$$$$)
{
- my ($e,$l,$nl,$env,$varname,$what) = @_;
+ my ($e,$l,$nl,$env,$varname,$what,$align) = @_;
if ($l->{IS_ZERO_TERMINATED}) {
fatal($e, "[string] attribute not supported for Samba3 yet");
@@ -85,12 +109,14 @@ sub ParseElementLevelArray($$$$$$)
if ($what == PRIMITIVES) {
# Fetch headers
if ($l->{IS_CONFORMANT} and not $l->{IS_SURROUNDING}) {
+ Align($align, 4);
pidl "if (!prs_uint32(\"size_$e->{NAME}\", ps, depth, &" . ParseExpr("size_$e->{NAME}", $env) . "))";
pidl "\treturn False;";
pidl "";
}
if ($l->{IS_VARYING}) {
+ Align($align, 4);
pidl "if (!prs_uint32(\"offset_$e->{NAME}\", ps, depth, &" . ParseExpr("offset_$e->{NAME}", $env) . "))";
pidl "\treturn False;";
pidl "";
@@ -115,26 +141,34 @@ sub ParseElementLevelArray($$$$$$)
my $i = "i_$e->{NAME}_$l->{LEVEL_INDEX}";
pidl "for ($i=0; $i<$len;$i++) {";
indent;
- ParseElementLevel($e,$nl,$env,$varname."[$i]",$what);
+ ParseElementLevel($e,$nl,$env,$varname."[$i]",$what,$align);
deindent;
pidl "}";
}
-sub ParseElementLevelSwitch($$$$$$)
+sub ParseElementLevelSwitch($$$$$$$)
{
- my ($e,$l,$nl,$env,$varname,$what) = @_;
+ my ($e,$l,$nl,$env,$varname,$what,$align) = @_;
- ParseElementLevel($e,$nl,$env,$varname,$what);
+ ParseElementLevel($e,$nl,$env,$varname,$what,$align);
}
-sub ParseElementLevelPtr($$$$$$)
+sub ParseElementLevelPtr($$$$$$$)
{
- my ($e,$l,$nl,$env,$varname,$what) = @_;
+ my ($e,$l,$nl,$env,$varname,$what,$align) = @_;
if ($what == PRIMITIVES) {
- pidl "if (!prs_uint32(\"ptr_$e->{NAME}\", ps, depth, &" . ParseExpr("ptr_$e->{NAME}", $env) . "))";
- pidl "\treturn False;";
- pidl "";
+ if ($l->{POINTER_TYPE} eq "ref" and
+ $l->{LEVEL} eq "TOP") {
+ pidl "if (!" . ParseExpr("ptr_$e->{NAME}", $env) . ")";
+ pidl "\treturn False;";
+ pidl "";
+ } else {
+ Align($align, 4);
+ pidl "if (!prs_uint32(\"ptr_$e->{NAME}\", ps, depth, &" . ParseExpr("ptr_$e->{NAME}", $env) . "))";
+ pidl "\treturn False;";
+ pidl "";
+ }
}
if ($l->{POINTER_TYPE} eq "relative") {
@@ -145,24 +179,25 @@ sub ParseElementLevelPtr($$$$$$)
if ($what == DEFERRED) {
pidl "if (" . ParseExpr("ptr_$e->{NAME}", $env) . ") {";
indent;
- ParseElementLevel($e,$nl,$env,$varname,PRIMITIVES);
- ParseElementLevel($e,$nl,$env,$varname,DEFERRED);
+ ParseElementLevel($e,$nl,$env,$varname,PRIMITIVES,$align);
+ ParseElementLevel($e,$nl,$env,$varname,DEFERRED,$align);
deindent;
pidl "}";
+ $$align = 0;
}
}
-sub ParseElementLevelSubcontext($$$$$$)
+sub ParseElementLevelSubcontext($$$$$$$)
{
- my ($e,$l,$nl,$env,$varname,$what) = @_;
+ my ($e,$l,$nl,$env,$varname,$what,$align) = @_;
fatal($e, "subcontext() not supported for Samba 3");
#FIXME
}
-sub ParseElementLevel($$$$$)
+sub ParseElementLevel($$$$$$)
{
- my ($e,$l,$env,$varname,$what) = @_;
+ my ($e,$l,$env,$varname,$what,$align) = @_;
{
DATA => \&ParseElementLevelData,
@@ -170,14 +205,14 @@ sub ParseElementLevel($$$$$)
POINTER => \&ParseElementLevelPtr,
SWITCH => \&ParseElementLevelSwitch,
ARRAY => \&ParseElementLevelArray
- }->{$l->{TYPE}}->($e,$l,GetNextLevel($e,$l),$env,$varname,$what);
+ }->{$l->{TYPE}}->($e,$l,GetNextLevel($e,$l),$env,$varname,$what,$align);
}
-sub ParseElement($$$)
+sub ParseElement($$$$)
{
- my ($e,$env,$what) = @_;
+ my ($e,$env,$what,$align) = @_;
- ParseElementLevel($e, $e->{LEVELS}[0], $env, ParseExpr($e->{NAME}, $env), $what);
+ ParseElementLevel($e, $e->{LEVELS}[0], $env, ParseExpr($e->{NAME}, $env), $what, $align);
}
sub InitLevel($$$$)
@@ -264,9 +299,6 @@ sub ParseStruct($$$)
pidl "";
pidl "prs_debug(ps, depth, desc, \"$pfn\");";
pidl "depth++;";
- pidl "if (!prs_align_custom(ps, $s->{ALIGN}))";
- pidl "\treturn False;";
- pidl "";
if ($s->{SURROUNDING_ELEMENT}) {
pidl "if (!prs_uint32(\"size_$s->{SURROUNDING_ELEMENT}->{NAME}\", ps, depth, &" . ParseExpr("size_$s->{SURROUNDING_ELEMENT}->{NAME}", $env) . "))";
@@ -274,8 +306,9 @@ sub ParseStruct($$$)
pidl "";
}
+ my $align = 0;
foreach (@{$s->{ELEMENTS}}) {
- ParseElement($_, $env, PRIMITIVES);
+ ParseElement($_, $env, PRIMITIVES, \$align);
pidl "";
}
@@ -293,12 +326,10 @@ sub ParseStruct($$$)
pidl "";
pidl "prs_debug(ps, depth, desc, \"$dfn\");";
pidl "depth++;";
- pidl "if (!prs_align_custom(ps, $s->{ALIGN}))";
- pidl "\treturn False;";
- pidl "";
+ $align = 0;
foreach (@{$s->{ELEMENTS}}) {
- ParseElement($_, $env, DEFERRED);
+ ParseElement($_, $env, DEFERRED, \$align);
pidl "";
}
@@ -344,9 +375,6 @@ sub ParseUnion($$$)
pidl "{";
indent;
DeclareArrayVariables($u->{ELEMENTS});
- pidl "if (!prs_align_custom(ps, $u->{ALIGN}))";
- pidl "\treturn False;";
- pidl "";
if (has_property($u, "nodiscriminant")) {
pidl "if (!prs_uint32(\"switch_value\", ps, depth, &v->switch_value))";
@@ -365,8 +393,8 @@ sub ParseUnion($$$)
if ($_->{TYPE} ne "EMPTY") {
pidl "depth++;";
my $env = UnionGenerateEnvElement($_);
- ParseElement($_, $env, PRIMITIVES);
- ParseElement($_, $env, DEFERRED);
+ my $align = 0;
+ ParseElement($_, $env, PRIMITIVES, \$align);
pidl "depth--;";
}
pidl "break;";
@@ -385,9 +413,6 @@ sub ParseUnion($$$)
pidl "{";
indent;
DeclareArrayVariables($u->{ELEMENTS});
- pidl "if (!prs_align_custom(ps, $u->{ALIGN}))";
- pidl "\treturn False;";
- pidl "";
pidl "switch (level) {";
indent;
@@ -398,7 +423,8 @@ sub ParseUnion($$$)
if ($_->{TYPE} ne "EMPTY") {
pidl "depth++;";
my $env = UnionGenerateEnvElement($_);
- ParseElement($_, $env, DEFERRED);
+ my $align = 0;
+ ParseElement($_, $env, DEFERRED, \$align);
pidl "depth--;";
}
pidl "break;";
@@ -452,9 +478,10 @@ sub CreateFnDirection($$$$)
pidl "prs_debug(ps, depth, desc, \"$fn\");";
pidl "depth++;";
+ my $align = 0;
foreach (@$es) {
- ParseElement($_, $env, PRIMITIVES);
- ParseElement($_, $env, DEFERRED);
+ ParseElement($_, $env, PRIMITIVES, \$align);
+ ParseElement($_, $env, DEFERRED, \$align);
pidl "";
}
diff --git a/source4/pidl/lib/Parse/Pidl/Samba3/Types.pm b/source4/pidl/lib/Parse/Pidl/Samba3/Types.pm
index 38e740189b..0c66d2c6ad 100644
--- a/source4/pidl/lib/Parse/Pidl/Samba3/Types.pm
+++ b/source4/pidl/lib/Parse/Pidl/Samba3/Types.pm
@@ -100,7 +100,7 @@ sub dissect_string($$$)
my $t = lc(decl_string($e));
- return "prs_$t(True, \"$e->{NAME}\", ps, depth, &$n)";
+ return "smb_io_$t(\"$e->{NAME}\", &$n, 1, ps, depth)";
}
my $known_types =
generated by cgit (git 2.34.1) at 2024-12-19 17:51:08 +0000