From f1546e5b224aba45425f3bf5e463761dc5498e84 Mon Sep 17 00:00:00 2001
From: Gregor Brunmar <gbrunmar.ros@gmail.com>
Date: Tue, 23 Oct 2007 21:42:03 +0000
Subject: [PATCH] Added RtlCopySecurityDescriptor

svn path=/trunk/; revision=29837
---
 reactos/dll/ntdll/def/ntdll.def |  2 +-
 reactos/include/ndk/rtlfuncs.h  |  8 +++
 reactos/lib/rtl/sd.c            | 87 +++++++++++++++++++++++++++++++++
 3 files changed, 96 insertions(+), 1 deletion(-)

diff --git a/reactos/dll/ntdll/def/ntdll.def b/reactos/dll/ntdll/def/ntdll.def
index b565636186d..bbae1c3f4fa 100644
--- a/reactos/dll/ntdll/def/ntdll.def
+++ b/reactos/dll/ntdll/def/ntdll.def
@@ -361,7 +361,7 @@ RtlConvertUlongToLargeInteger@4
 RtlCopyLuid@8
 RtlCopyLuidAndAttributesArray@12
 RtlCopyRangeList@8
-;RtlCopySecurityDescriptor
+RtlCopySecurityDescriptor@8
 RtlCopySid@12
 RtlCopySidAndAttributesArray@28
 RtlCopyString@8
diff --git a/reactos/include/ndk/rtlfuncs.h b/reactos/include/ndk/rtlfuncs.h
index dedf53a24c9..65bb785ddda 100644
--- a/reactos/include/ndk/rtlfuncs.h
+++ b/reactos/include/ndk/rtlfuncs.h
@@ -908,6 +908,14 @@ RtlCreateSecurityDescriptorRelative(
     IN ULONG Revision
 );
 
+NTSYSAPI
+NTSTATUS
+NTAPI
+RtlCopySecurityDescriptor(
+    IN PSECURITY_DESCRIPTOR pSourceSecurityDescriptor,
+    OUT PSECURITY_DESCRIPTOR pDestinationSecurityDescriptor
+);
+
 NTSYSAPI
 NTSTATUS
 NTAPI
diff --git a/reactos/lib/rtl/sd.c b/reactos/lib/rtl/sd.c
index 565c1d043a0..664e03e2ee2 100644
--- a/reactos/lib/rtl/sd.c
+++ b/reactos/lib/rtl/sd.c
@@ -131,6 +131,93 @@ RtlCreateSecurityDescriptor(OUT PSECURITY_DESCRIPTOR SecurityDescriptor,
    return STATUS_SUCCESS;
 }
 
+/*
+ * @implemented
+ */
+NTSTATUS NTAPI
+RtlCopySecurityDescriptor(IN PSECURITY_DESCRIPTOR pSourceSecurityDescriptor,
+                          OUT PSECURITY_DESCRIPTOR pDestinationSecurityDescriptor)
+{
+  PSID Owner, Group;
+  PACL Dacl, Sacl;
+  BOOLEAN Defaulted, Present;
+  DWORD OwnerLength, GroupLength;
+  PSECURITY_DESCRIPTOR srcSD = pSourceSecurityDescriptor;
+  PSECURITY_DESCRIPTOR destSD = pDestinationSecurityDescriptor;
+     
+  if (srcSD->Revision != SECURITY_DESCRIPTOR_REVISION)
+    return STATUS_UNKNOWN_REVISION;
+ 
+  /* Copy non relative dependent data */
+  destSD->Revision = srcSD->Revision;
+  destSD->Sbz1 = srcSD->Sbz1;
+  destSD->Control = srcSD->Control;
+
+  /* Read relative data */
+  RtlGetOwnerSecurityDescriptor(srcSD, &Owner, &Defaulted);
+  OwnerLength = RtlLengthSid(Owner);
+  RtlGetGroupSecurityDescriptor(srcSD, &Group, &Defaulted);
+  GroupLength = RtlLengthSid(Group);
+  RtlGetDaclSecurityDescriptor(srcSD, &Present, &Dacl, &Defaulted);
+  RtlGetSaclSecurityDescriptor(srcSD, &Present, &Sacl, &Defaulted);
+
+  if (srcSD->Control & SE_SELF_RELATIVE)
+  {
+    destSD->Owner = srcSD->Owner;
+    RtlCopySid(OwnerLength, (LPBYTE)destSD + (DWORD_PTR)destSD->Owner, Owner);
+
+    destSD->Group = srcSD->Group;
+    RtlCopySid(GroupLength, (LPBYTE)destSD + (DWORD_PTR)destSD->Group, Group);
+
+	if (srcSD->Control & SE_DACL_PRESENT)
+    {
+	  destSD->Dacl = srcSD->Dacl;
+
+      if(srcSD->Dacl != NULL && RtlValidAcl(srcSD->Dacl))
+	  {
+        RtlCopyMemory(((LPBYTE)destSD + (DWORD_PTR)destSD->Dacl), Dacl, Dacl->AclSize);
+	  }
+    }
+
+	if (srcSD->Control & SE_SACL_PRESENT)
+    {
+      destSD->Sacl = srcSD->Sacl;
+
+      if(srcSD->Sacl != NULL && RtlValidAcl(srcSD->Sacl))
+	  {
+        RtlCopyMemory(((LPBYTE)destSD + (DWORD_PTR)destSD->Sacl), Sacl, Sacl->AclSize);
+	  }
+	}
+  }
+  else
+  {
+    RtlCopySid(OwnerLength, destSD->Owner, Owner);
+    RtlCopySid(GroupLength, destSD->Group, Group);
+
+    if (srcSD->Control & SE_DACL_PRESENT)
+    {
+      destSD->Dacl = RtlAllocateHeap(RtlGetProcessHeap(), 0, Dacl->AclSize);
+
+      if(srcSD->Dacl != NULL && RtlValidAcl(srcSD->Dacl))
+	  {
+        RtlCopyMemory(destSD->Dacl, Dacl, Dacl->AclSize);
+	  }
+	}
+
+    if (srcSD->Control & SE_SACL_PRESENT)
+    {
+      destSD->Sacl = RtlAllocateHeap(RtlGetProcessHeap(), 0, Sacl->AclSize);
+
+      if(srcSD->Sacl != NULL && RtlValidAcl(srcSD->Sacl))
+	  {
+        RtlCopyMemory(destSD->Sacl, Sacl, Sacl->AclSize);
+	  }
+	}
+  }
+
+  return STATUS_SUCCESS;
+}
+
 
 NTSTATUS NTAPI
 RtlCreateSecurityDescriptorRelative (OUT PISECURITY_DESCRIPTOR_RELATIVE SecurityDescriptor,