drsuapi.idl: use hand written push functions for the compressed blobs

This isn't really the final solution, as we compress the data twice,
but it works.

metze
(This used to be commit 6da1d41173a7b82412fcebdd751eade51cf82b2a)

2 files changed, 179 insertions, 6 deletions

diff --git a/source4/librpc/idl/drsuapi.idl b/source4/librpc/idl/drsuapi.idl
index b929bb0d58..cc76599be6 100644
--- a/source4/librpc/idl/drsuapi.idl
+++ b/source4/librpc/idl/drsuapi.idl
@@ -617,15 +617,15 @@ interface drsuapi
 		WERROR drs_error;
 	} drsuapi_DsGetNCChangesCtr6;
 
-	typedef struct {
+	typedef [public] struct {
 		[subcontext(0xFFFFFC01)] drsuapi_DsGetNCChangesCtr1 ctr1;
 	} drsuapi_DsGetNCChangesCtr1TS;
 
-	typedef struct {
+	typedef [public] struct {
 		[subcontext(0xFFFFFC01)] drsuapi_DsGetNCChangesCtr6 ctr6;
 	} drsuapi_DsGetNCChangesCtr6TS;
 
-	typedef struct {
+	typedef [nopush] struct {
 		uint32 decompressed_length;
 		uint32 compressed_length;
 		[subcontext(4),subcontext_size(compressed_length),
@@ -633,7 +633,7 @@ interface drsuapi
 		 drsuapi_DsGetNCChangesCtr1TS *ts;
 	} drsuapi_DsGetNCChangesMSZIPCtr1;
 
-	typedef struct {
+	typedef [nopush] struct {
 		uint32 decompressed_length;
 		uint32 compressed_length;
 		[subcontext(4),subcontext_size(compressed_length),
@@ -641,7 +641,7 @@ interface drsuapi
 		 drsuapi_DsGetNCChangesCtr6TS *ts;
 	} drsuapi_DsGetNCChangesMSZIPCtr6;
 
-	typedef struct {
+	typedef [nopush] struct {
 		uint32 decompressed_length;
 		uint32 compressed_length;
 		[subcontext(4),subcontext_size(compressed_length),
@@ -649,7 +649,7 @@ interface drsuapi
 		 drsuapi_DsGetNCChangesCtr1TS *ts;
 	} drsuapi_DsGetNCChangesXPRESSCtr1;
 
-	typedef struct {
+	typedef [nopush] struct {
 		uint32 decompressed_length;
 		uint32 compressed_length;
 		[subcontext(4),subcontext_size(compressed_length),
diff --git a/source4/librpc/ndr/ndr_drsuapi.c b/source4/librpc/ndr/ndr_drsuapi.c
index 1b6be9ed8e..e77ab54071 100644
--- a/source4/librpc/ndr/ndr_drsuapi.c
+++ b/source4/librpc/ndr/ndr_drsuapi.c
@@ -24,6 +24,7 @@
 #include "librpc/gen_ndr/ndr_drsuapi.h"
 #include "librpc/gen_ndr/ndr_misc.h"
 #include "lib/util/asn1.h"
+#include "librpc/ndr/ndr_compression.h"
 
 void ndr_print_drsuapi_DsReplicaObjectListItem(struct ndr_print *ndr, const char *name, 
 					       const struct drsuapi_DsReplicaObjectListItem *r)
@@ -176,3 +177,175 @@ size_t ndr_size_drsuapi_DsReplicaOID_oid(const char *oid, int flags)
 	data_blob_free(&_blob);
 	return ret;
 }
+
+enum ndr_err_code ndr_push_drsuapi_DsGetNCChangesMSZIPCtr1(struct ndr_push *ndr, int ndr_flags, const struct drsuapi_DsGetNCChangesMSZIPCtr1 *r)
+{
+	if (ndr_flags & NDR_SCALARS) {
+		uint32_t decompressed_length = 0;
+		uint32_t compressed_length = 0;
+		if (r->ts) {
+			{
+				struct ndr_push *_ndr_ts;
+				NDR_CHECK(ndr_push_subcontext_start(ndr, &_ndr_ts, 4, -1));
+				{
+					struct ndr_push *_ndr_ts_compressed;
+					NDR_CHECK(ndr_push_compression_start(_ndr_ts, &_ndr_ts_compressed, NDR_COMPRESSION_MSZIP, -1));
+					NDR_CHECK(ndr_push_drsuapi_DsGetNCChangesCtr1TS(_ndr_ts_compressed, NDR_SCALARS|NDR_BUFFERS, r->ts));
+					decompressed_length = _ndr_ts_compressed->offset;
+					NDR_CHECK(ndr_push_compression_end(_ndr_ts, _ndr_ts_compressed, NDR_COMPRESSION_MSZIP, -1));
+				}
+				compressed_length = _ndr_ts->offset;
+				talloc_free(_ndr_ts);
+			}
+		}
+		NDR_CHECK(ndr_push_align(ndr, 4));
+		NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, decompressed_length));
+		NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, compressed_length));
+		NDR_CHECK(ndr_push_unique_ptr(ndr, r->ts));
+	}
+	if (ndr_flags & NDR_BUFFERS) {
+		if (r->ts) {
+			{
+				struct ndr_push *_ndr_ts;
+				NDR_CHECK(ndr_push_subcontext_start(ndr, &_ndr_ts, 4, -1));
+				{
+					struct ndr_push *_ndr_ts_compressed;
+					NDR_CHECK(ndr_push_compression_start(_ndr_ts, &_ndr_ts_compressed, NDR_COMPRESSION_MSZIP, -1));
+					NDR_CHECK(ndr_push_drsuapi_DsGetNCChangesCtr1TS(_ndr_ts_compressed, NDR_SCALARS|NDR_BUFFERS, r->ts));
+					NDR_CHECK(ndr_push_compression_end(_ndr_ts, _ndr_ts_compressed, NDR_COMPRESSION_MSZIP, -1));
+				}
+				NDR_CHECK(ndr_push_subcontext_end(ndr, _ndr_ts, 4, -1));
+			}
+		}
+	}
+	return NDR_ERR_SUCCESS;
+}
+
+enum ndr_err_code ndr_push_drsuapi_DsGetNCChangesMSZIPCtr6(struct ndr_push *ndr, int ndr_flags, const struct drsuapi_DsGetNCChangesMSZIPCtr6 *r)
+{
+	if (ndr_flags & NDR_SCALARS) {
+		uint32_t decompressed_length = 0;
+		uint32_t compressed_length = 0;
+		if (r->ts) {
+			{
+				struct ndr_push *_ndr_ts;
+				NDR_CHECK(ndr_push_subcontext_start(ndr, &_ndr_ts, 4, -1));
+				{
+					struct ndr_push *_ndr_ts_compressed;
+					NDR_CHECK(ndr_push_compression_start(_ndr_ts, &_ndr_ts_compressed, NDR_COMPRESSION_MSZIP, -1));
+					NDR_CHECK(ndr_push_drsuapi_DsGetNCChangesCtr6TS(_ndr_ts_compressed, NDR_SCALARS|NDR_BUFFERS, r->ts));
+					decompressed_length = _ndr_ts_compressed->offset;
+					NDR_CHECK(ndr_push_compression_end(_ndr_ts, _ndr_ts_compressed, NDR_COMPRESSION_MSZIP, -1));
+				}
+				compressed_length = _ndr_ts->offset;
+				talloc_free(_ndr_ts);
+			}
+		}
+		NDR_CHECK(ndr_push_align(ndr, 4));
+		NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, decompressed_length));
+		NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, compressed_length));
+		NDR_CHECK(ndr_push_unique_ptr(ndr, r->ts));
+	}
+	if (ndr_flags & NDR_BUFFERS) {
+		if (r->ts) {
+			{
+				struct ndr_push *_ndr_ts;
+				NDR_CHECK(ndr_push_subcontext_start(ndr, &_ndr_ts, 4, -1));
+				{
+					struct ndr_push *_ndr_ts_compressed;
+					NDR_CHECK(ndr_push_compression_start(_ndr_ts, &_ndr_ts_compressed, NDR_COMPRESSION_MSZIP, -1));
+					NDR_CHECK(ndr_push_drsuapi_DsGetNCChangesCtr6TS(_ndr_ts_compressed, NDR_SCALARS|NDR_BUFFERS, r->ts));
+					NDR_CHECK(ndr_push_compression_end(_ndr_ts, _ndr_ts_compressed, NDR_COMPRESSION_MSZIP, -1));
+				}
+				NDR_CHECK(ndr_push_subcontext_end(ndr, _ndr_ts, 4, -1));
+			}
+		}
+	}
+	return NDR_ERR_SUCCESS;
+}
+
+enum ndr_err_code ndr_push_drsuapi_DsGetNCChangesXPRESSCtr1(struct ndr_push *ndr, int ndr_flags, const struct drsuapi_DsGetNCChangesXPRESSCtr1 *r)
+{
+	if (ndr_flags & NDR_SCALARS) {
+		uint32_t decompressed_length = 0;
+		uint32_t compressed_length = 0;
+		if (r->ts) {
+			{
+				struct ndr_push *_ndr_ts;
+				NDR_CHECK(ndr_push_subcontext_start(ndr, &_ndr_ts, 4, -1));
+				{
+					struct ndr_push *_ndr_ts_compressed;
+					NDR_CHECK(ndr_push_compression_start(_ndr_ts, &_ndr_ts_compressed, NDR_COMPRESSION_XPRESS, -1));
+					NDR_CHECK(ndr_push_drsuapi_DsGetNCChangesCtr1TS(_ndr_ts_compressed, NDR_SCALARS|NDR_BUFFERS, r->ts));
+					decompressed_length = _ndr_ts_compressed->offset;
+					NDR_CHECK(ndr_push_compression_end(_ndr_ts, _ndr_ts_compressed, NDR_COMPRESSION_XPRESS, -1));
+				}
+				compressed_length = _ndr_ts->offset;
+				talloc_free(_ndr_ts);
+			}
+		}
+		NDR_CHECK(ndr_push_align(ndr, 4));
+		NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, decompressed_length));
+		NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, compressed_length));
+		NDR_CHECK(ndr_push_unique_ptr(ndr, r->ts));
+	}
+	if (ndr_flags & NDR_BUFFERS) {
+		if (r->ts) {
+			{
+				struct ndr_push *_ndr_ts;
+				NDR_CHECK(ndr_push_subcontext_start(ndr, &_ndr_ts, 4, -1));
+				{
+					struct ndr_push *_ndr_ts_compressed;
+					NDR_CHECK(ndr_push_compression_start(_ndr_ts, &_ndr_ts_compressed, NDR_COMPRESSION_XPRESS, -1));
+					NDR_CHECK(ndr_push_drsuapi_DsGetNCChangesCtr1TS(_ndr_ts_compressed, NDR_SCALARS|NDR_BUFFERS, r->ts));
+					NDR_CHECK(ndr_push_compression_end(_ndr_ts, _ndr_ts_compressed, NDR_COMPRESSION_XPRESS, -1));
+				}
+				NDR_CHECK(ndr_push_subcontext_end(ndr, _ndr_ts, 4, -1));
+			}
+		}
+	}
+	return NDR_ERR_SUCCESS;
+}
+
+enum ndr_err_code ndr_push_drsuapi_DsGetNCChangesXPRESSCtr6(struct ndr_push *ndr, int ndr_flags, const struct drsuapi_DsGetNCChangesXPRESSCtr6 *r)
+{
+	if (ndr_flags & NDR_SCALARS) {
+		uint32_t decompressed_length = 0;
+		uint32_t compressed_length = 0;
+		if (r->ts) {
+			{
+				struct ndr_push *_ndr_ts;
+				NDR_CHECK(ndr_push_subcontext_start(ndr, &_ndr_ts, 4, -1));
+				{
+					struct ndr_push *_ndr_ts_compressed;
+					NDR_CHECK(ndr_push_compression_start(_ndr_ts, &_ndr_ts_compressed, NDR_COMPRESSION_XPRESS, -1));
+					NDR_CHECK(ndr_push_drsuapi_DsGetNCChangesCtr6TS(_ndr_ts_compressed, NDR_SCALARS|NDR_BUFFERS, r->ts));
+					decompressed_length = _ndr_ts_compressed->offset;
+					NDR_CHECK(ndr_push_compression_end(_ndr_ts, _ndr_ts_compressed, NDR_COMPRESSION_XPRESS, -1));
+				}
+				compressed_length = _ndr_ts->offset;
+				talloc_free(_ndr_ts);
+			}
+		}
+		NDR_CHECK(ndr_push_align(ndr, 4));
+		NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, decompressed_length));
+		NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, compressed_length));
+		NDR_CHECK(ndr_push_unique_ptr(ndr, r->ts));
+	}
+	if (ndr_flags & NDR_BUFFERS) {
+		if (r->ts) {
+			{
+				struct ndr_push *_ndr_ts;
+				NDR_CHECK(ndr_push_subcontext_start(ndr, &_ndr_ts, 4, -1));
+				{
+					struct ndr_push *_ndr_ts_compressed;
+					NDR_CHECK(ndr_push_compression_start(_ndr_ts, &_ndr_ts_compressed, NDR_COMPRESSION_XPRESS, -1));
+					NDR_CHECK(ndr_push_drsuapi_DsGetNCChangesCtr6TS(_ndr_ts_compressed, NDR_SCALARS|NDR_BUFFERS, r->ts));
+					NDR_CHECK(ndr_push_compression_end(_ndr_ts, _ndr_ts_compressed, NDR_COMPRESSION_XPRESS, -1));
+				}
+				NDR_CHECK(ndr_push_subcontext_end(ndr, _ndr_ts, 4, -1));
+			}
+		}
+	}
+	return NDR_ERR_SUCCESS;
+}