- corrected some lsa idl

- updated lsa parse code from pidl
(This used to be commit 3983b2aee77b0e093847bfc02e02b83ab281f5dd)

9 files changed, 411 insertions, 134 deletions

diff --git a/source4/librpc/idl/lsa.idl b/source4/librpc/idl/lsa.idl
index 566b78f34d..6b72d19d85 100644
--- a/source4/librpc/idl/lsa.idl
+++ b/source4/librpc/idl/lsa.idl
@@ -7,42 +7,51 @@
   pointer_default(unique)
 ] interface lsarpc
 {
+	
+	typedef struct {
+		[struct_len] uint32 _len;
+		uint16  impersonation_level;
+		uint8   context_mode;
+		uint8   effective_only;
+	} lsa_QosInfo;
+	
+	typedef struct {
+		[struct_len] uint32 _len;
+		uint8 *root_dir;
+		unistr *object_name;
+		uint32 attributes;
+		security_descriptor *sec_desc;
+		lsa_QosInfo *sec_qos;
+	} lsa_ObjectAttribute;
+	
+	NTSTATUS lsa_OpenPolicy (
+		[in]       uint16 *system_name,
+		[in,ref]   lsa_ObjectAttribute *attr,
+		[in]       uint32 desired_access,
+		[out]      policy_handle *handle
+		);
+	
+	NTSTATUS lsa_OpenPolicy2 (
+		[in]      unistr *system_name,
+		[in,ref]  lsa_ObjectAttribute *attr,
+		[in]      uint32 desired_access,
+		[out,ref] policy_handle *handle
+		);
 
-  typedef struct {
-	  [struct_len] uint32 _len;
-	  uint16  impersonation_level;
-	  uint8   context_mode;
-	  uint8   effective_only;
-  } lsa_QosInfo;
+	typedef struct {
+		dom_sid2 *sid;
+	} lsa_SidPtr;
+	
+	typedef struct {
+		uint32 num_sids;
+		[size_is(num_sids)] lsa_SidPtr *sids;
+	} lsa_SidArray;
 
-  typedef struct {
-	  [struct_len] uint32 _len;
-	  uint8 *root_dir;
-	  unistr *object_name;
-	  uint32 attributes;
-	  security_descriptor *sec_desc;
-	  lsa_QosInfo *sec_qos;
-  } lsa_ObjectAttribute;
-
-  NTSTATUS lsa_OpenPolicy (
-	  [in]       uint16 *system_name,
-	  [in] [ref] lsa_ObjectAttribute *attr,
-	  [in]       uint32 desired_access,
-	  [out]      policy_handle *handle
-  );
-
-  NTSTATUS lsa_OpenPolicy2 (
-	  [in]        unistr *system_name,
-	  [in] [ref]  lsa_ObjectAttribute *attr,
-	  [in]        uint32 desired_access,
-	  [out] [ref] policy_handle *handle
-  );
-
-  NTSTATUS lsa_EnumSids(
-	  [in] [ref] policy_handle *handle,
-	  [in]       uint32 start_at,
-	  [in] [out] [ref] uint32 *num_entries,
-	  [out]      dom_sid **sids
-  );
+	NTSTATUS lsa_EnumSids (
+		[in,ref]     policy_handle *handle,
+		[in,out,ref] uint32 *resume_handle,
+		[in]         uint32 num_entries,
+		[out,ref]    lsa_SidArray *sids
+		);
 
 }
diff --git a/source4/librpc/ndr/libndr.h b/source4/librpc/ndr/libndr.h
index 0d28783a6d..870500d169 100644
--- a/source4/librpc/ndr/libndr.h
+++ b/source4/librpc/ndr/libndr.h
@@ -61,6 +61,12 @@ struct ndr_push_save {
 #define LIBNDR_FLAG_BIGENDIAN 1
 
 
+/*
+  flags passed to control parse flow
+*/
+#define NDR_SCALARS 1
+#define NDR_BUFFERS 2
+
 /* these are used to make the error checking on each element in libndr
    less tedious, hopefully making the code more readable */
 #define NDR_CHECK(call) do { NTSTATUS _status; \
@@ -75,19 +81,23 @@ struct ndr_push_save {
                                if (!(s)) return NT_STATUS_NO_MEMORY; \
                            } while (0)
 
-#define NDR_ALLOC_N(ndr, s, n) do { \
+#define NDR_ALLOC_N_SIZE(ndr, s, n, elsize) do { \
 				if ((n) == 0) { \
 					(s) = NULL; \
 				} else { \
-					(s) = talloc(ndr->mem_ctx, (n) * sizeof(*(s))); \
+					(s) = talloc(ndr->mem_ctx, (n) * elsize); \
 					if (!(s)) return NT_STATUS_NO_MEMORY; \
 				} \
                            } while (0)
+#define NDR_ALLOC_N(ndr, s, n) NDR_ALLOC_N_SIZE(ndr, s, n, sizeof(*(s)))
 
 /* these are used when generic fn pointers are needed for ndr push/pull fns */
 typedef NTSTATUS (*ndr_push_fn_t)(struct ndr_push *, void *);
 typedef NTSTATUS (*ndr_pull_fn_t)(struct ndr_pull *, void *);
 
+typedef NTSTATUS (*ndr_push_flags_fn_t)(struct ndr_push *, int ndr_flags, void *);
+typedef NTSTATUS (*ndr_pull_flags_fn_t)(struct ndr_pull *, int ndr_flags, void *);
+
 /* now pull in the individual parsers */
 #include "librpc/ndr/ndr_sec.h"
 #include "librpc/ndr/ndr_misc.h"
diff --git a/source4/librpc/ndr/ndr.c b/source4/librpc/ndr/ndr.c
index 4e5f199835..dabe75d5ac 100644
--- a/source4/librpc/ndr/ndr.c
+++ b/source4/librpc/ndr/ndr.c
@@ -185,3 +185,53 @@ NTSTATUS ndr_push_set_offset(struct ndr_push *ndr, uint32 ofs)
 	ndr->offset = ofs;
 	return NT_STATUS_OK;
 }
+
+/*
+  push a generic array
+*/
+NTSTATUS ndr_push_array(struct ndr_push *ndr, int ndr_flags, void *base, 
+			size_t elsize, uint32 count, 
+			NTSTATUS (*push_fn)(struct ndr_push *, int, void *))
+{
+	int i;
+	char *p = base;
+	NDR_CHECK(ndr_push_uint32(ndr, count));
+	for (i=0;i<count;i++) {
+		NDR_CHECK(push_fn(ndr, ndr_flags, p));
+		p += elsize;
+	}
+	return NT_STATUS_OK;
+}
+
+/*
+  pull a generic array
+*/
+NTSTATUS ndr_pull_array(struct ndr_pull *ndr, int ndr_flags, void **base, 
+			size_t elsize, uint32 count, 
+			NTSTATUS (*pull_fn)(struct ndr_pull *, int, void *))
+{
+	int i;
+	uint32 max_count;
+	char *p;
+	NDR_ALLOC_N_SIZE(ndr, *base, count, elsize);
+	p = *base;
+	NDR_CHECK(ndr_pull_uint32(ndr, &max_count));
+	if (max_count != count) {
+		/* maybe we can cope with this? */
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+	if (!(ndr_flags & NDR_SCALARS)) goto buffers;
+	for (i=0;i<count;i++) {
+		NDR_CHECK(pull_fn(ndr, NDR_SCALARS, p));
+		p += elsize;
+	}
+	if (!(ndr_flags & NDR_BUFFERS)) goto done;
+buffers:
+	p = *base;
+	for (i=0;i<count;i++) {
+		NDR_CHECK(pull_fn(ndr, NDR_BUFFERS, p));
+		p += elsize;
+	}
+done:
+	return NT_STATUS_OK;
+}
diff --git a/source4/librpc/ndr/ndr_basic.c b/source4/librpc/ndr/ndr_basic.c
index 3bd75e7c0d..0597bcab00 100644
--- a/source4/librpc/ndr/ndr_basic.c
+++ b/source4/librpc/ndr/ndr_basic.c
@@ -243,6 +243,32 @@ NTSTATUS ndr_push_unistr(struct ndr_push *ndr, const char *s)
 }
 
 /*
+  pull a comformant, variable ucs2 string from the wire into a C string
+*/
+NTSTATUS ndr_pull_unistr(struct ndr_pull *ndr, const char **s)
+{
+	char *ws, *as=NULL;
+	uint32 len1, ofs, len2;
+
+	NDR_CHECK(ndr_pull_uint32(ndr, &len1));
+	NDR_CHECK(ndr_pull_uint32(ndr, &ofs));
+	NDR_CHECK(ndr_pull_uint32(ndr, &len2));
+	if (len2 > len1) {
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+	NDR_ALLOC_N(ndr, ws, (len1+1)*2);
+	NDR_CHECK(ndr_pull_bytes(ndr, ws, len1*2));
+	SSVAL(ws, len1*2, 0);
+	SSVAL(ws, len2*2, 0);
+	pull_ucs2_talloc(ndr->mem_ctx, &as, (const smb_ucs2_t *)ws);
+	if (!as) {
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+	*s = as;
+	return NT_STATUS_OK;
+}
+
+/*
   push a 4 byte offset pointer, remembering where we are so we can later fill
   in the correct value
 */
diff --git a/source4/librpc/ndr/ndr_lsa.c b/source4/librpc/ndr/ndr_lsa.c
index bde450687e..ff395f5699 100644
--- a/source4/librpc/ndr/ndr_lsa.c
+++ b/source4/librpc/ndr/ndr_lsa.c
@@ -23,95 +23,63 @@
 
 #include "includes.h"
 
-/*
-  parse a openpolicy
-*/
-NTSTATUS ndr_pull_lsa_OpenPolicy(struct ndr_pull *ndr,
-				 struct lsa_OpenPolicy *r)
-{
-	NDR_ALLOC(ndr, r->out.handle);
-	NDR_CHECK(ndr_pull_policy_handle(ndr, r->out.handle));
-	NDR_CHECK(ndr_pull_status(ndr, &r->out.result));
-	return NT_STATUS_OK;
-}
-
-/*
-  parse a openpolicy2
-*/
-NTSTATUS ndr_pull_lsa_OpenPolicy2(struct ndr_pull *ndr,
-				 struct lsa_OpenPolicy2 *r)
-{
-	NDR_ALLOC(ndr, r->out.handle);
-	NDR_CHECK(ndr_pull_policy_handle(ndr, r->out.handle));
-	NDR_CHECK(ndr_pull_status(ndr, &r->out.result));
-	return NT_STATUS_OK;
-}
-
-
-/*
-  pull a EnumSids
-*/
-NTSTATUS ndr_pull_lsa_EnumSids(struct ndr_pull *ndr, 
-			       struct lsa_EnumSids *r)
-{
-	uint32 nptrs, asize, i, ptr;
-
-	NDR_CHECK(ndr_pull_uint32(ndr, &r->out.num_entries));
-	NDR_CHECK(ndr_pull_uint32(ndr, &nptrs));
-	NDR_CHECK(ndr_pull_uint32(ndr, &ptr));
-	if (!ptr) goto done;
-
-	NDR_CHECK(ndr_pull_uint32(ndr, &asize));
-	NDR_ALLOC_N(ndr, r->out.sids, nptrs);
-	for (i=0;i<nptrs;i++) {
-		NDR_CHECK(ndr_pull_uint32(ndr, &ptr));
-		if (ptr) {
-			NDR_ALLOC(ndr, r->out.sids[i]);
-		} else {
-			r->out.sids[i] = NULL;
-		}
-	}
-	for (i=0;i<nptrs;i++) {
-		if (r->out.sids[i]) NDR_CHECK(ndr_pull_dom_sid2(ndr, r->out.sids[i]));
-	}
-
-done:
-	NDR_CHECK(ndr_pull_status(ndr, &r->out.result));
-	return NT_STATUS_OK;
-}
-
-
 /* parser auto-generated by pidl */
 
-static NTSTATUS ndr_push_lsa_QosInfo(struct ndr_push *ndr, struct lsa_QosInfo *r)
+static NTSTATUS ndr_push_lsa_QosInfo(struct ndr_push *ndr, int ndr_flags, struct lsa_QosInfo *r)
 {
-	struct ndr_push_save len_save1, len_save2, len_save3;
-	ndr_push_save(ndr, &len_save1);
+	struct ndr_push_save _save1, _save2, _save3;
+	ndr_push_save(ndr, &_save1);
+	if (!(ndr_flags & NDR_SCALARS)) goto buffers;
 	NDR_CHECK(ndr_push_align_uint32(ndr));
-	ndr_push_save(ndr, &len_save2);
+	ndr_push_save(ndr, &_save2);
 	NDR_CHECK(ndr_push_uint32(ndr, 0));
 	NDR_CHECK(ndr_push_uint16(ndr, r->impersonation_level));
 	NDR_CHECK(ndr_push_uint8(ndr, r->context_mode));
 	NDR_CHECK(ndr_push_uint8(ndr, r->effective_only));
-	ndr_push_save(ndr, &len_save3);
-	ndr_push_restore(ndr, &len_save2);
-	NDR_CHECK(ndr_push_uint32(ndr, len_save3.offset - len_save1.offset));
-	ndr_push_restore(ndr, &len_save3);
+buffers:
+	if (!(ndr_flags & NDR_BUFFERS)) goto done;
+	ndr_push_save(ndr, &_save3);
+	ndr_push_restore(ndr, &_save2);
+	NDR_CHECK(ndr_push_uint32(ndr, _save3.offset - _save1.offset));
+	ndr_push_restore(ndr, &_save3);
+done:
 	return NT_STATUS_OK;
 }
 
-static NTSTATUS ndr_push_lsa_ObjectAttribute(struct ndr_push *ndr, struct lsa_ObjectAttribute *r)
+static NTSTATUS ndr_pull_lsa_QosInfo(struct ndr_pull *ndr, int ndr_flags, struct lsa_QosInfo *r)
 {
-	struct ndr_push_save len_save1, len_save2, len_save3;
-	ndr_push_save(ndr, &len_save1);
+	uint32 _size;
+	struct ndr_pull_save _save;
+	ndr_pull_save(ndr, &_save);
+	if (!(ndr_flags & NDR_SCALARS)) goto buffers;
+	NDR_CHECK(ndr_pull_uint32(ndr, &_size));
+	NDR_CHECK(ndr_pull_limit_size(ndr, _size, 4));
+	NDR_CHECK(ndr_pull_uint16(ndr, &r->impersonation_level));
+	NDR_CHECK(ndr_pull_uint8(ndr, &r->context_mode));
+	NDR_CHECK(ndr_pull_uint8(ndr, &r->effective_only));
+buffers:
+	if (!(ndr_flags & NDR_BUFFERS)) goto done;
+	ndr_pull_restore(ndr, &_save);
+	NDR_CHECK(ndr_pull_advance(ndr, _size));
+done:
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS ndr_push_lsa_ObjectAttribute(struct ndr_push *ndr, int ndr_flags, struct lsa_ObjectAttribute *r)
+{
+	struct ndr_push_save _save1, _save2, _save3;
+	ndr_push_save(ndr, &_save1);
+	if (!(ndr_flags & NDR_SCALARS)) goto buffers;
 	NDR_CHECK(ndr_push_align_uint32(ndr));
-	ndr_push_save(ndr, &len_save2);
+	ndr_push_save(ndr, &_save2);
 	NDR_CHECK(ndr_push_uint32(ndr, 0));
 	NDR_CHECK(ndr_push_ptr(ndr, r->root_dir));
 	NDR_CHECK(ndr_push_ptr(ndr, r->object_name));
 	NDR_CHECK(ndr_push_uint32(ndr, r->attributes));
 	NDR_CHECK(ndr_push_ptr(ndr, r->sec_desc));
 	NDR_CHECK(ndr_push_ptr(ndr, r->sec_qos));
+buffers:
+	if (!(ndr_flags & NDR_BUFFERS)) goto done;
 	if (r->root_dir) {
 		NDR_CHECK(ndr_push_uint8(ndr, *r->root_dir));
 	}
@@ -122,12 +90,70 @@ static NTSTATUS ndr_push_lsa_ObjectAttribute(struct ndr_push *ndr, struct lsa_Ob
 		NDR_CHECK(ndr_push_security_descriptor(ndr, r->sec_desc));
 	}
 	if (r->sec_qos) {
-		NDR_CHECK(ndr_push_lsa_QosInfo(ndr, r->sec_qos));
+		NDR_CHECK(ndr_push_lsa_QosInfo(ndr, ndr_flags, r->sec_qos));
 	}
-	ndr_push_save(ndr, &len_save3);
-	ndr_push_restore(ndr, &len_save2);
-	NDR_CHECK(ndr_push_uint32(ndr, len_save3.offset - len_save1.offset));
-	ndr_push_restore(ndr, &len_save3);
+	ndr_push_save(ndr, &_save3);
+	ndr_push_restore(ndr, &_save2);
+	NDR_CHECK(ndr_push_uint32(ndr, _save3.offset - _save1.offset));
+	ndr_push_restore(ndr, &_save3);
+done:
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS ndr_pull_lsa_ObjectAttribute(struct ndr_pull *ndr, int ndr_flags, struct lsa_ObjectAttribute *r)
+{
+	uint32 _ptr_root_dir;
+	uint32 _ptr_object_name;
+	uint32 _ptr_sec_desc;
+	uint32 _ptr_sec_qos;
+	uint32 _size;
+	struct ndr_pull_save _save;
+	ndr_pull_save(ndr, &_save);
+	if (!(ndr_flags & NDR_SCALARS)) goto buffers;
+	NDR_CHECK(ndr_pull_uint32(ndr, &_size));
+	NDR_CHECK(ndr_pull_limit_size(ndr, _size, 4));
+	NDR_CHECK(ndr_pull_uint32(ndr, &_ptr_root_dir));
+	if (_ptr_root_dir) {
+		NDR_ALLOC(ndr, r->root_dir);
+	} else {
+		r->root_dir = NULL;
+	}
+	NDR_CHECK(ndr_pull_uint32(ndr, &_ptr_object_name));
+	if (_ptr_object_name) {
+		NDR_ALLOC(ndr, r->object_name);
+	} else {
+		r->object_name = NULL;
+	}
+	NDR_CHECK(ndr_pull_uint32(ndr, &r->attributes));
+	NDR_CHECK(ndr_pull_uint32(ndr, &_ptr_sec_desc));
+	if (_ptr_sec_desc) {
+		NDR_ALLOC(ndr, r->sec_desc);
+	} else {
+		r->sec_desc = NULL;
+	}
+	NDR_CHECK(ndr_pull_uint32(ndr, &_ptr_sec_qos));
+	if (_ptr_sec_qos) {
+		NDR_ALLOC(ndr, r->sec_qos);
+	} else {
+		r->sec_qos = NULL;
+	}
+buffers:
+	if (!(ndr_flags & NDR_BUFFERS)) goto done;
+	if (r->root_dir) {
+		NDR_CHECK(ndr_pull_uint8(ndr, r->root_dir));
+	}
+	if (r->object_name) {
+		NDR_CHECK(ndr_pull_unistr(ndr, &r->object_name));
+	}
+	if (r->sec_desc) {
+		NDR_CHECK(ndr_pull_security_descriptor(ndr, r->sec_desc));
+	}
+	if (r->sec_qos) {
+		NDR_CHECK(ndr_pull_lsa_QosInfo(ndr, ndr_flags, r->sec_qos));
+	}
+	ndr_pull_restore(ndr, &_save);
+	NDR_CHECK(ndr_pull_advance(ndr, _size));
+done:
 	return NT_STATUS_OK;
 }
 
@@ -137,7 +163,7 @@ NTSTATUS ndr_push_lsa_OpenPolicy(struct ndr_push *ndr, struct lsa_OpenPolicy *r)
 	if (r->in.system_name) {
 		NDR_CHECK(ndr_push_uint16(ndr, *r->in.system_name));
 	}
-	NDR_CHECK(ndr_push_lsa_ObjectAttribute(ndr, r->in.attr));
+	NDR_CHECK(ndr_push_lsa_ObjectAttribute(ndr, NDR_SCALARS|NDR_BUFFERS, r->in.attr));
 	NDR_CHECK(ndr_push_uint32(ndr, r->in.desired_access));
 
 	return NT_STATUS_OK;
@@ -149,19 +175,156 @@ NTSTATUS ndr_push_lsa_OpenPolicy2(struct ndr_push *ndr, struct lsa_OpenPolicy2 *
 	if (r->in.system_name) {
 		NDR_CHECK(ndr_push_unistr(ndr, r->in.system_name));
 	}
-	NDR_CHECK(ndr_push_lsa_ObjectAttribute(ndr, r->in.attr));
+	NDR_CHECK(ndr_push_lsa_ObjectAttribute(ndr, NDR_SCALARS|NDR_BUFFERS, r->in.attr));
 	NDR_CHECK(ndr_push_uint32(ndr, r->in.desired_access));
 
 	return NT_STATUS_OK;
 }
 
+static NTSTATUS ndr_push_lsa_SidPtr(struct ndr_push *ndr, int ndr_flags, struct lsa_SidPtr *r)
+{
+	if (!(ndr_flags & NDR_SCALARS)) goto buffers;
+	NDR_CHECK(ndr_push_ptr(ndr, r->sid));
+buffers:
+	if (!(ndr_flags & NDR_BUFFERS)) goto done;
+	if (r->sid) {
+		NDR_CHECK(ndr_push_dom_sid2(ndr, r->sid));
+	}
+done:
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS ndr_pull_lsa_SidPtr(struct ndr_pull *ndr, int ndr_flags, struct lsa_SidPtr *r)
+{
+	uint32 _ptr_sid;
+	if (!(ndr_flags & NDR_SCALARS)) goto buffers;
+	NDR_CHECK(ndr_pull_uint32(ndr, &_ptr_sid));
+	if (_ptr_sid) {
+		NDR_ALLOC(ndr, r->sid);
+	} else {
+		r->sid = NULL;
+	}
+buffers:
+	if (!(ndr_flags & NDR_BUFFERS)) goto done;
+	if (r->sid) {
+		NDR_CHECK(ndr_pull_dom_sid2(ndr, r->sid));
+	}
+done:
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS ndr_push_lsa_SidArray(struct ndr_push *ndr, int ndr_flags, struct lsa_SidArray *r)
+{
+	if (!(ndr_flags & NDR_SCALARS)) goto buffers;
+	NDR_CHECK(ndr_push_uint32(ndr, r->num_sids));
+	NDR_CHECK(ndr_push_ptr(ndr, r->sids));
+buffers:
+	if (!(ndr_flags & NDR_BUFFERS)) goto done;
+	if (r->sids) {
+		NDR_CHECK(ndr_push_array(ndr, ndr_flags, r->sids, sizeof(r->sids[0]), r->num_sids, (ndr_push_flags_fn_t)ndr_push_lsa_SidPtr));
+	}
+done:
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS ndr_pull_lsa_SidArray(struct ndr_pull *ndr, int ndr_flags, struct lsa_SidArray *r)
+{
+	uint32 _ptr_sids;
+	if (!(ndr_flags & NDR_SCALARS)) goto buffers;
+	NDR_CHECK(ndr_pull_uint32(ndr, &r->num_sids));
+	NDR_CHECK(ndr_pull_uint32(ndr, &_ptr_sids));
+	if (_ptr_sids) {
+		NDR_ALLOC(ndr, r->sids);
+	} else {
+		r->sids = NULL;
+	}
+buffers:
+	if (!(ndr_flags & NDR_BUFFERS)) goto done;
+	if (r->sids) {
+		NDR_CHECK(ndr_pull_array(ndr, ndr_flags, (void **)&r->sids, sizeof(r->sids[0]), r->num_sids, (ndr_pull_flags_fn_t)ndr_pull_lsa_SidPtr));
+	}
+done:
+	return NT_STATUS_OK;
+}
+
 NTSTATUS ndr_push_lsa_EnumSids(struct ndr_push *ndr, struct lsa_EnumSids *r)
 {
 	NDR_CHECK(ndr_push_policy_handle(ndr, r->in.handle));
-	NDR_CHECK(ndr_push_uint32(ndr, r->in.start_at));
+	NDR_CHECK(ndr_push_uint32(ndr, r->in.resume_handle));
 	NDR_CHECK(ndr_push_uint32(ndr, r->in.num_entries));
 
 	return NT_STATUS_OK;
 }
 
+/*
+  parse a openpolicy
+*/
+NTSTATUS ndr_pull_lsa_OpenPolicy(struct ndr_pull *ndr,
+				 struct lsa_OpenPolicy *r)
+{
+	NDR_ALLOC(ndr, r->out.handle);
+	NDR_CHECK(ndr_pull_policy_handle(ndr, r->out.handle));
+	NDR_CHECK(ndr_pull_status(ndr, &r->out.result));
+	return NT_STATUS_OK;
+}
+
+/*
+  parse a openpolicy2
+*/
+NTSTATUS ndr_pull_lsa_OpenPolicy2(struct ndr_pull *ndr,
+				 struct lsa_OpenPolicy2 *r)
+{
+	NDR_ALLOC(ndr, r->out.handle);
+	NDR_CHECK(ndr_pull_policy_handle(ndr, r->out.handle));
+	NDR_CHECK(ndr_pull_status(ndr, &r->out.result));
+	return NT_STATUS_OK;
+}
+
+#if 0
+/*
+  pull a lsa_SidArray
+*/
+static NTSTATUS ndr_pull_lsa_SidArray(struct ndr_pull *ndr, 
+			       struct lsa_SidArray *r)
+{
+	uint32 ptr;
+
+	NDR_CHECK(ndr_pull_uint32(ndr, &r->num_sids));
+	NDR_CHECK(ndr_pull_uint32(ndr, &ptr));
+	if (ptr) {
+		uint32 asize, i;
+
+		NDR_CHECK(ndr_pull_uint32(ndr, &asize));
+		NDR_ALLOC_N(ndr, r->sids, asize);
+		for (i=0;i<asize;i++) {
+			NDR_CHECK(ndr_pull_uint32(ndr, &ptr));
+			if (ptr) {
+				NDR_ALLOC(ndr, r->sids[i]);
+			} else {
+				r->sids[i] = NULL;
+			}
+		}
+
+		for (i=0;i<asize;i++) {
+			if (r->sids[i]) {
+				NDR_CHECK(ndr_pull_dom_sid2(ndr, r->sids[i]));
+			}
+		}
+	}
+	return NT_STATUS_OK;
+}
+#endif
+
+/*
+  pull a EnumSids
+*/
+NTSTATUS ndr_pull_lsa_EnumSids(struct ndr_pull *ndr, 
+			       struct lsa_EnumSids *r)
+{
+	NDR_CHECK(ndr_pull_uint32(ndr, &r->out.resume_handle));
+	NDR_ALLOC(ndr, r->out.sids);
+	NDR_CHECK(ndr_pull_lsa_SidArray(ndr, NDR_SCALARS|NDR_BUFFERS, r->out.sids));
+	NDR_CHECK(ndr_pull_status(ndr, &r->out.result));
+	return NT_STATUS_OK;
+}
 
diff --git a/source4/librpc/ndr/ndr_lsa.h b/source4/librpc/ndr/ndr_lsa.h
index 402227a8bf..ab9b0ea164 100644
--- a/source4/librpc/ndr/ndr_lsa.h
+++ b/source4/librpc/ndr/ndr_lsa.h
@@ -64,16 +64,25 @@ struct lsa_OpenPolicy2 {
 
 };
 
+struct lsa_SidPtr {
+	struct dom_sid2 *sid;
+};
+
+struct lsa_SidArray {
+	uint32 num_sids;
+	struct lsa_SidPtr *sids;
+};
+
 struct lsa_EnumSids {
 	struct {
 		struct policy_handle *handle;
-		uint32 start_at;
+		uint32 resume_handle;
 		uint32 num_entries;
 	} in;
 
 	struct {
-		uint32 num_entries;
-		struct dom_sid **sids;
+		uint32 resume_handle;
+		struct lsa_SidArray *sids;
 		NTSTATUS result;
 	} out;
 
diff --git a/source4/librpc/ndr/ndr_sec.c b/source4/librpc/ndr/ndr_sec.c
index 31cf823e0d..b83bf87771 100644
--- a/source4/librpc/ndr/ndr_sec.c
+++ b/source4/librpc/ndr/ndr_sec.c
@@ -174,16 +174,14 @@ NTSTATUS ndr_pull_dom_sid_ofs(struct ndr_pull *ndr, struct dom_sid **sid)
   parse a security descriptor 
 */
 NTSTATUS ndr_pull_security_descriptor(struct ndr_pull *ndr, 
-				      struct security_descriptor **sd)
+				      struct security_descriptor *sd)
 {
-	NDR_ALLOC(ndr, *sd);
-
-	NDR_CHECK(ndr_pull_uint8(ndr, &(*sd)->revision));
-	NDR_CHECK(ndr_pull_uint16(ndr, &(*sd)->type));
-	NDR_CHECK(ndr_pull_dom_sid_ofs(ndr, &(*sd)->owner_sid));
-	NDR_CHECK(ndr_pull_dom_sid_ofs(ndr, &(*sd)->group_sid));
-	NDR_CHECK(ndr_pull_security_acl_ofs(ndr, &(*sd)->sacl));
-	NDR_CHECK(ndr_pull_security_acl_ofs(ndr, &(*sd)->dacl));
+	NDR_CHECK(ndr_pull_uint8(ndr, &sd->revision));
+	NDR_CHECK(ndr_pull_uint16(ndr, &sd->type));
+	NDR_CHECK(ndr_pull_dom_sid_ofs(ndr, &sd->owner_sid));
+	NDR_CHECK(ndr_pull_dom_sid_ofs(ndr, &sd->group_sid));
+	NDR_CHECK(ndr_pull_security_acl_ofs(ndr, &sd->sacl));
+	NDR_CHECK(ndr_pull_security_acl_ofs(ndr, &sd->dacl));
 
 	return NT_STATUS_OK;
 }
@@ -265,6 +263,15 @@ NTSTATUS ndr_push_dom_sid(struct ndr_push *ndr, struct dom_sid *sid)
 	return NT_STATUS_OK;
 }
 
+/*
+  parse a dom_sid2 - this is a dom_sid but with an extra copy of the num_auths field
+*/
+NTSTATUS ndr_push_dom_sid2(struct ndr_push *ndr, struct dom_sid *sid)
+{
+	NDR_CHECK(ndr_push_uint32(ndr, sid->num_auths));
+	return ndr_push_dom_sid(ndr, sid);
+}
+
 
 /*
   generate a ndr security descriptor 
diff --git a/source4/librpc/ndr/ndr_sec.h b/source4/librpc/ndr/ndr_sec.h
index 0c9d542006..79ba5b1564 100644
--- a/source4/librpc/ndr/ndr_sec.h
+++ b/source4/librpc/ndr/ndr_sec.h
@@ -31,6 +31,9 @@ struct dom_sid {
 	uint32 *sub_auths;
 };
 
+/* use the same structure for dom_sid2 as dom_sid */
+#define dom_sid2 dom_sid
+
 /* an access control element */
 struct security_ace {
 	uint8 type;  /* xxxx_xxxx_ACE_TYPE - e.g allowed / denied etc */
diff --git a/source4/librpc/rpc/rpc_lsa.c b/source4/librpc/rpc/rpc_lsa.c
index 2aa3f78730..8a627aa562 100644
--- a/source4/librpc/rpc/rpc_lsa.c
+++ b/source4/librpc/rpc/rpc_lsa.c
@@ -118,17 +118,17 @@ done:
 NTSTATUS dcerpc_lsa_EnumSids(struct dcerpc_pipe *p,
 			     TALLOC_CTX *mem_ctx,
 			     struct policy_handle *handle,
-			     uint32 resume_handle,
-			     uint32 *num_entries,
-			     struct dom_sid ***sids)
+			     uint32 *resume_handle,
+			     uint32 num_entries,
+			     struct lsa_SidArray *sids)
 {
 	struct lsa_EnumSids r;
 	NTSTATUS status;
 
 	/* fill the .in side of the call */
 	r.in.handle = handle;
-	r.in.start_at = 0;
-	r.in.num_entries = *num_entries;
+	r.in.resume_handle = *resume_handle;
+	r.in.num_entries = num_entries;
 
 	/* make the call */
 	status = dcerpc_ndr_request(p, LSA_ENUM_ACCOUNTS, mem_ctx,
@@ -140,8 +140,8 @@ NTSTATUS dcerpc_lsa_EnumSids(struct dcerpc_pipe *p,
 	}
 	
 	/* and extract the .out parameters */
-	*num_entries = r.out.num_entries;
-	*sids = r.out.sids;
+	*resume_handle = r.out.resume_handle;
+	*sids = *r.out.sids;
 	status = r.out.result;
 
 done: