diff --git a/reactos/lib/advapi32/advapi32.def b/reactos/lib/advapi32/advapi32.def
index bb8151504f6..912ad498a65 100644
--- a/reactos/lib/advapi32/advapi32.def
+++ b/reactos/lib/advapi32/advapi32.def
@@ -1,4 +1,4 @@
-; $Id: advapi32.def,v 1.27 2004/12/13 19:06:27 weiden Exp $
+; $Id: advapi32.def,v 1.28 2004/12/15 12:29:36 ekohl Exp $
 ;
 ; advapi32.def
 ;
@@ -35,8 +35,8 @@ BackupEventLogW@8
 ;BuildExplicitAccessWithNameW@20
 ;BuildImpersonateExplicitAccessWithNameA@24
 ;BuildImpersonateExplicitAccessWithNameW@24
-;BuildImpersonateTrusteeA@8
-;BuildImpersonateTrusteeW@8
+BuildImpersonateTrusteeA@8
+BuildImpersonateTrusteeW@8
 ;BuildSecurityDescriptorA@36
 ;BuildSecurityDescriptorW@36
 BuildTrusteeWithNameA@8
@@ -148,10 +148,10 @@ GetInheritanceSourceA@40
 GetInheritanceSourceW@40
 GetKernelObjectSecurity@20
 GetLengthSid@4
-;GetMultipleTrusteeA@4
-;GetMultipleTrusteeOperationA@4
-;GetMultipleTrusteeOperationW@4
-;GetMultipleTrusteeW@4
+GetMultipleTrusteeA@4
+GetMultipleTrusteeOperationA@4
+GetMultipleTrusteeOperationW@4
+GetMultipleTrusteeW@4
 GetNamedSecurityInfoA@32
 GetNamedSecurityInfoW@32
 GetNumberOfEventLogRecords@8
@@ -175,10 +175,12 @@ GetSidLengthRequired@4
 GetSidSubAuthority@8
 GetSidSubAuthorityCount@4
 GetTokenInformation@20
-;GetTrusteeNameA@4
-;GetTrusteeNameW@4
-;GetTrusteeTypeA@4
-;GetTrusteeTypeW@4
+GetTrusteeFormA@4
+GetTrusteeFormW@4
+GetTrusteeNameA@4
+GetTrusteeNameW@4
+GetTrusteeTypeA@4
+GetTrusteeTypeW@4
 GetUserNameA@8
 GetUserNameW@8
 ;GrantAccessRightsA@16
diff --git a/reactos/lib/advapi32/sec/trustee.c b/reactos/lib/advapi32/sec/trustee.c
index 7745615f1fa..9cd3de285c4 100644
--- a/reactos/lib/advapi32/sec/trustee.c
+++ b/reactos/lib/advapi32/sec/trustee.c
@@ -1,4 +1,4 @@
-/* $Id: trustee.c,v 1.2 2004/12/12 15:16:49 ekohl Exp $
+/* $Id: trustee.c,v 1.3 2004/12/15 12:29:13 ekohl Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS system libraries
@@ -12,10 +12,35 @@
 #include "debug.h"
 
 
+/******************************************************************************
+ * BuildImpersonateTrusteeA [ADVAPI32.@]
+ */
+VOID WINAPI
+BuildImpersonateTrusteeA(PTRUSTEE_A pTrustee,
+                         PTRUSTEE_A pImpersonateTrustee)
+{
+  pTrustee->pMultipleTrustee = pImpersonateTrustee;
+  pTrustee->MultipleTrusteeOperation = TRUSTEE_IS_IMPERSONATE;
+}
+
+
+/******************************************************************************
+ * BuildImpersonateTrusteeW [ADVAPI32.@]
+ */
+VOID WINAPI
+BuildImpersonateTrusteeW(PTRUSTEE_W pTrustee,
+                         PTRUSTEE_W pImpersonateTrustee)
+{
+  pTrustee->pMultipleTrustee = pImpersonateTrustee;
+  pTrustee->MultipleTrusteeOperation = TRUSTEE_IS_IMPERSONATE;
+}
+
+
 /******************************************************************************
  * BuildTrusteeWithSidA [ADVAPI32.@]
  */
-VOID WINAPI BuildTrusteeWithSidA(PTRUSTEEA pTrustee, PSID pSid)
+VOID WINAPI
+BuildTrusteeWithSidA(PTRUSTEE_A pTrustee, PSID pSid)
 {
     DPRINT("%p %p\n", pTrustee, pSid);
 
@@ -30,7 +55,8 @@ VOID WINAPI BuildTrusteeWithSidA(PTRUSTEEA pTrustee, PSID pSid)
 /******************************************************************************
  * BuildTrusteeWithSidW [ADVAPI32.@]
  */
-VOID WINAPI BuildTrusteeWithSidW(PTRUSTEEW pTrustee, PSID pSid)
+VOID WINAPI
+BuildTrusteeWithSidW(PTRUSTEE_W pTrustee, PSID pSid)
 {
     DPRINT("%p %p\n", pTrustee, pSid);
 
@@ -45,7 +71,8 @@ VOID WINAPI BuildTrusteeWithSidW(PTRUSTEEW pTrustee, PSID pSid)
 /******************************************************************************
  * BuildTrusteeWithNameA [ADVAPI32.@]
  */
-VOID WINAPI BuildTrusteeWithNameA(PTRUSTEEA pTrustee, LPSTR name)
+VOID WINAPI
+BuildTrusteeWithNameA(PTRUSTEE_A pTrustee, LPSTR name)
 {
     DPRINT("%p %s\n", pTrustee, name);
 
@@ -60,7 +87,8 @@ VOID WINAPI BuildTrusteeWithNameA(PTRUSTEEA pTrustee, LPSTR name)
 /******************************************************************************
  * BuildTrusteeWithNameW [ADVAPI32.@]
  */
-VOID WINAPI BuildTrusteeWithNameW(PTRUSTEEW pTrustee, LPWSTR name)
+VOID WINAPI
+BuildTrusteeWithNameW(PTRUSTEE_W pTrustee, LPWSTR name)
 {
     DPRINT("%p %s\n", pTrustee, name);
 
@@ -70,3 +98,105 @@ VOID WINAPI BuildTrusteeWithNameW(PTRUSTEEW pTrustee, LPWSTR name)
     pTrustee->TrusteeType = TRUSTEE_IS_UNKNOWN;
     pTrustee->ptstrName = name;
 }
+
+
+/******************************************************************************
+ * GetMultipleTrusteeA [ADVAPI32.@]
+ */
+PTRUSTEEA WINAPI
+GetMultipleTrusteeA(PTRUSTEE_A pTrustee)
+{
+  return pTrustee->pMultipleTrustee;
+}
+
+
+/******************************************************************************
+ * GetMultipleTrusteeW [ADVAPI32.@]
+ */
+PTRUSTEEW WINAPI
+GetMultipleTrusteeW(PTRUSTEE_W pTrustee)
+{
+  return pTrustee->pMultipleTrustee;
+}
+
+
+/******************************************************************************
+ * GetMultipleTrusteeOperationA [ADVAPI32.@]
+ */
+MULTIPLE_TRUSTEE_OPERATION WINAPI
+GetMultipleTrusteeOperationA(PTRUSTEE_A pTrustee)
+{
+  return pTrustee->MultipleTrusteeOperation;
+}
+
+
+/******************************************************************************
+ * GetMultipleTrusteeOperationW [ADVAPI32.@]
+ */
+MULTIPLE_TRUSTEE_OPERATION WINAPI
+GetMultipleTrusteeOperationW(PTRUSTEE_W pTrustee)
+{
+  return pTrustee->MultipleTrusteeOperation;
+}
+
+
+/******************************************************************************
+ * GetTrusteeFormW [ADVAPI32.@]
+ */
+TRUSTEE_FORM WINAPI
+GetTrusteeFormA(PTRUSTEE_A pTrustee)
+{
+  return pTrustee->TrusteeForm;
+}
+
+
+/******************************************************************************
+ * GetTrusteeFormW [ADVAPI32.@]
+ */
+TRUSTEE_FORM WINAPI
+GetTrusteeFormW(PTRUSTEE_W pTrustee)
+{
+  return pTrustee->TrusteeForm;
+}
+
+
+/******************************************************************************
+ * GetTrusteeNameA [ADVAPI32.@]
+ */
+LPSTR WINAPI
+GetTrusteeNameA(PTRUSTEE_A pTrustee)
+{
+  return (pTrustee->TrusteeForm == TRUSTEE_IS_NAME) ? pTrustee->ptstrName : NULL;
+}
+
+
+/******************************************************************************
+ * GetTrusteeNameW [ADVAPI32.@]
+ */
+LPWSTR WINAPI
+GetTrusteeNameW(PTRUSTEE_W pTrustee)
+{
+  return (pTrustee->TrusteeForm == TRUSTEE_IS_NAME) ? pTrustee->ptstrName : NULL;
+}
+
+
+/******************************************************************************
+ * GetTrusteeTypeA [ADVAPI32.@]
+ */
+TRUSTEE_TYPE WINAPI
+GetTrusteeTypeA(PTRUSTEE_A pTrustee)
+{
+  return pTrustee->TrusteeType;
+}
+
+
+/******************************************************************************
+ * GetTrusteeTypeW [ADVAPI32.@]
+ */
+TRUSTEE_TYPE WINAPI
+GetTrusteeTypeW(PTRUSTEE_W pTrustee)
+{
+  return pTrustee->TrusteeType;
+}
+
+/* EOF */