s3-spoolss: add rpccli_spoolss_getprinterdriver convenience wrapper.

Guenther

1 files changed, 50 insertions, 0 deletions

diff --git a/source3/rpc_client/cli_spoolss.c b/source3/rpc_client/cli_spoolss.c
index 3f369bdab3..02a0e168cb 100644
--- a/source3/rpc_client/cli_spoolss.c
+++ b/source3/rpc_client/cli_spoolss.c
@@ -76,6 +76,56 @@ WERROR rpccli_spoolss_openprinter_ex(struct rpc_pipe_client *cli,
 }
 
 /**********************************************************************
+ convencience wrapper around rpccli_spoolss_GetPrinterDriver
+**********************************************************************/
+
+WERROR rpccli_spoolss_getprinterdriver(struct rpc_pipe_client *cli,
+				       TALLOC_CTX *mem_ctx,
+				       struct policy_handle *handle,
+				       const char *architecture,
+				       uint32_t level,
+				       uint32_t offered,
+				       union spoolss_DriverInfo *info)
+{
+	NTSTATUS status;
+	WERROR werror;
+	uint32_t needed;
+	DATA_BLOB buffer;
+
+	if (offered > 0) {
+		buffer = data_blob_talloc_zero(mem_ctx, offered);
+		W_ERROR_HAVE_NO_MEMORY(buffer.data);
+	}
+
+	status = rpccli_spoolss_GetPrinterDriver(cli, mem_ctx,
+						 handle,
+						 architecture,
+						 level,
+						 (offered > 0) ? &buffer : NULL,
+						 offered,
+						 info,
+						 &needed,
+						 &werror);
+	if (W_ERROR_EQUAL(werror, WERR_INSUFFICIENT_BUFFER)) {
+		offered = needed;
+		buffer = data_blob_talloc_zero(mem_ctx, needed);
+		W_ERROR_HAVE_NO_MEMORY(buffer.data);
+
+		status = rpccli_spoolss_GetPrinterDriver(cli, mem_ctx,
+							 handle,
+							 architecture,
+							 level,
+							 &buffer,
+							 offered,
+							 info,
+							 &needed,
+							 &werror);
+	}
+
+	return werror;
+}
+
+/**********************************************************************
  convencience wrapper around rpccli_spoolss_GetPrinterDriver2
 **********************************************************************/