4 files changed, 114 insertions, 1 deletions

diff --git a/source4/libcli/ndr/ndr_echo.c b/source4/libcli/ndr/ndr_echo.c
index 456b254f3a..a085a6534d 100644
--- a/source4/libcli/ndr/ndr_echo.c
+++ b/source4/libcli/ndr/ndr_echo.c
@@ -68,3 +68,45 @@ NTSTATUS ndr_push_rpcecho_echodata(struct ndr_push *ndr,
 	NDR_CHECK(ndr_push_bytes(ndr, r->in.data, r->in.len));
 	return NT_STATUS_OK;
 }
+
+/*
+  parse a sinkdata
+*/
+NTSTATUS ndr_pull_rpcecho_sinkdata(struct ndr_pull *ndr, 
+				   struct rpcecho_sinkdata *r)
+{
+	return NT_STATUS_OK;
+}
+
+/*
+  push a sinkdata
+*/
+NTSTATUS ndr_push_rpcecho_sinkdata(struct ndr_push *ndr, 
+				   struct rpcecho_sinkdata *r)
+{
+	NDR_CHECK(ndr_push_u32(ndr, r->in.len));
+	NDR_CHECK(ndr_push_u32(ndr, r->in.len));
+	NDR_CHECK(ndr_push_bytes(ndr, r->in.data, r->in.len));
+	return NT_STATUS_OK;
+}
+
+/*
+  parse a sourcedata
+*/
+NTSTATUS ndr_pull_rpcecho_sourcedata(struct ndr_pull *ndr, 
+				   struct rpcecho_sourcedata *r)
+{
+	NDR_CHECK(ndr_pull_u32(ndr, &r->out.len));
+	NDR_CHECK(ndr_pull_bytes(ndr, &r->out.data, r->out.len));
+	return NT_STATUS_OK;
+}
+
+/*
+  push a sourcedata
+*/
+NTSTATUS ndr_push_rpcecho_sourcedata(struct ndr_push *ndr, 
+				   struct rpcecho_sourcedata *r)
+{
+	NDR_CHECK(ndr_push_u32(ndr, r->in.len));
+	return NT_STATUS_OK;
+}
diff --git a/source4/libcli/ndr/ndr_echo.h b/source4/libcli/ndr/ndr_echo.h
index 4a8a4f5ab5..aecf68c4c0 100644
--- a/source4/libcli/ndr/ndr_echo.h
+++ b/source4/libcli/ndr/ndr_echo.h
@@ -47,6 +47,25 @@ struct rpcecho_echodata {
 	} out;
 };
 
+/* SinkData interface */
+struct rpcecho_sinkdata {
+	struct {
+		int len;
+		char *data;
+	} in;
+};
+
+/* SourceData interface */
+struct rpcecho_sourcedata {
+	struct {
+		int len;
+	} in;
+	struct {
+		int len;
+		char *data;
+	} out;
+};
+
 /* define the command codes */
 enum {
 	RPCECHO_CALL_ADDONE=0,
diff --git a/source4/libcli/rpc/dcerpc.c b/source4/libcli/rpc/dcerpc.c
index 96a355c9e1..b620718755 100644
--- a/source4/libcli/rpc/dcerpc.c
+++ b/source4/libcli/rpc/dcerpc.c
@@ -199,7 +199,7 @@ static NTSTATUS dcerpc_pull_response(DATA_BLOB *blob, TALLOC_CTX *mem_ctx,
 	stub_len = blob->length - ((*offset) + hdr->auth_length);
 	BLOB_CHECK_BOUNDS(blob, *offset, stub_len);
 	pkt->stub_data = data_blob_talloc(mem_ctx, blob->data + (*offset), stub_len);
-	if (!pkt->stub_data.data) {
+	if (stub_len != 0 && !pkt->stub_data.data) {
 		return NT_STATUS_NO_MEMORY;
 	}
 	(*offset) += stub_len;
diff --git a/source4/libcli/rpc/rpc_echo.c b/source4/libcli/rpc/rpc_echo.c
index ab793a1ffa..d73f9bda9c 100644
--- a/source4/libcli/rpc/rpc_echo.c
+++ b/source4/libcli/rpc/rpc_echo.c
@@ -83,3 +83,55 @@ NTSTATUS dcerpc_rpcecho_echodata(struct dcerpc_pipe *p,
 
 	return status;
 }
+
+/*
+  sourcedata interface
+*/
+NTSTATUS dcerpc_rpcecho_sourcedata(struct dcerpc_pipe *p,
+				 TALLOC_CTX *mem_ctx,
+				 int len,
+				 int *out_len,
+				 char **out_data)
+{
+	struct rpcecho_sourcedata r;
+	NTSTATUS status;
+
+	/* fill the .in side of the call */
+	r.in.len  = len;
+
+	/* make the call */
+	status = dcerpc_ndr_request(p, RPCECHO_CALL_SOURCEDATA, mem_ctx,
+				    (ndr_push_fn_t) ndr_push_rpcecho_sourcedata,
+				    (ndr_pull_fn_t) ndr_pull_rpcecho_sourcedata,
+				    &r);
+
+	/* and extract the .out parameters */
+	*out_len = r.out.len;
+	*out_data = r.out.data;
+
+	return status;
+}
+
+/*
+  sinkdata interface
+*/
+NTSTATUS dcerpc_rpcecho_sinkdata(struct dcerpc_pipe *p,
+				 TALLOC_CTX *mem_ctx,
+				 int len,
+				 char *data)
+{
+	struct rpcecho_sinkdata r;
+	NTSTATUS status;
+
+	/* fill the .in side of the call */
+	r.in.len  = len;
+	r.in.data = data;
+
+	/* make the call */
+	status = dcerpc_ndr_request(p, RPCECHO_CALL_SINKDATA, mem_ctx,
+				    (ndr_push_fn_t) ndr_push_rpcecho_sinkdata,
+				    (ndr_pull_fn_t) ndr_pull_rpcecho_sinkdata,
+				    &r);
+
+	return status;
+}