Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1006 insertions, 0 deletions

diff --git a/source3/rpc_client/cli_spoolss.c b/source3/rpc_client/cli_spoolss.c
new file mode 100644
index 0000000..36ca806
--- /dev/null
+++ b/source3/rpc_client/cli_spoolss.c
@@ -0,0 +1,1006 @@
+/*
+   Unix SMB/CIFS implementation.
+   RPC pipe client
+
+   Copyright (C) Gerald Carter                2001-2005,
+   Copyright (C) Tim Potter                   2000-2002,
+   Copyright (C) Andrew Tridgell              1994-2000,
+   Copyright (C) Jean-Francois Micouleau      1999-2000.
+   Copyright (C) Jeremy Allison                         2005.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "rpc_client/rpc_client.h"
+#include "../librpc/gen_ndr/ndr_spoolss_c.h"
+#include "rpc_client/cli_spoolss.h"
+#include "auth/gensec/gensec.h"
+#include "auth/credentials/credentials.h"
+#include "rpc_client/init_spoolss.h"
+
+/**********************************************************************
+ convencience wrapper around rpccli_spoolss_OpenPrinterEx
+**********************************************************************/
+
+WERROR rpccli_spoolss_openprinter_ex(struct rpc_pipe_client *cli,
+				     TALLOC_CTX *mem_ctx,
+				     const char *printername,
+				     uint32_t access_desired,
+				     struct policy_handle *handle)
+{
+	NTSTATUS status;
+	WERROR werror;
+	struct spoolss_DevmodeContainer devmode_ctr;
+	struct spoolss_UserLevelCtr userlevel_ctr;
+	struct spoolss_UserLevel1 level1;
+	struct dcerpc_binding_handle *b = cli->binding_handle;
+	struct cli_credentials *creds = gensec_get_credentials(cli->auth->auth_ctx);
+
+	ZERO_STRUCT(devmode_ctr);
+
+	werror = spoolss_init_spoolss_UserLevel1(mem_ctx,
+						 cli_credentials_get_username(creds),
+						 &level1);
+	if (!W_ERROR_IS_OK(werror)) {
+		return werror;
+	}
+
+	userlevel_ctr.level = 1;
+	userlevel_ctr.user_info.level1 = &level1;
+
+	status = dcerpc_spoolss_OpenPrinterEx(b, mem_ctx,
+					      printername,
+					      NULL,
+					      devmode_ctr,
+					      access_desired,
+					      userlevel_ctr,
+					      handle,
+					      &werror);
+
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	if (!W_ERROR_IS_OK(werror)) {
+		return werror;
+	}
+
+	return WERR_OK;
+}
+
+/**********************************************************************
+ 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;
+	struct dcerpc_binding_handle *b = cli->binding_handle;
+
+	if (offered > 0) {
+		buffer = data_blob_talloc_zero(mem_ctx, offered);
+		W_ERROR_HAVE_NO_MEMORY(buffer.data);
+	}
+
+	status = dcerpc_spoolss_GetPrinterDriver(b, mem_ctx,
+						 handle,
+						 architecture,
+						 level,
+						 (offered > 0) ? &buffer : NULL,
+						 offered,
+						 info,
+						 &needed,
+						 &werror);
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+	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 = dcerpc_spoolss_GetPrinterDriver(b, mem_ctx,
+							 handle,
+							 architecture,
+							 level,
+							 &buffer,
+							 offered,
+							 info,
+							 &needed,
+							 &werror);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	return werror;
+}
+
+/**********************************************************************
+ convencience wrapper around rpccli_spoolss_GetPrinterDriver2
+**********************************************************************/
+
+WERROR rpccli_spoolss_getprinterdriver2(struct rpc_pipe_client *cli,
+					TALLOC_CTX *mem_ctx,
+					struct policy_handle *handle,
+					const char *architecture,
+					uint32_t level,
+					uint32_t offered,
+					uint32_t client_major_version,
+					uint32_t client_minor_version,
+					union spoolss_DriverInfo *info,
+					uint32_t *server_major_version,
+					uint32_t *server_minor_version)
+{
+	NTSTATUS status;
+	WERROR werror;
+	uint32_t needed;
+	DATA_BLOB buffer;
+	struct dcerpc_binding_handle *b = cli->binding_handle;
+
+	if (offered > 0) {
+		buffer = data_blob_talloc_zero(mem_ctx, offered);
+		W_ERROR_HAVE_NO_MEMORY(buffer.data);
+	}
+
+	status = dcerpc_spoolss_GetPrinterDriver2(b, mem_ctx,
+						  handle,
+						  architecture,
+						  level,
+						  (offered > 0) ? &buffer : NULL,
+						  offered,
+						  client_major_version,
+						  client_minor_version,
+						  info,
+						  &needed,
+						  server_major_version,
+						  server_minor_version,
+						  &werror);
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	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 = dcerpc_spoolss_GetPrinterDriver2(b, mem_ctx,
+							  handle,
+							  architecture,
+							  level,
+							  &buffer,
+							  offered,
+							  client_major_version,
+							  client_minor_version,
+							  info,
+							  &needed,
+							  server_major_version,
+							  server_minor_version,
+							  &werror);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	return werror;
+}
+
+/**********************************************************************
+ convencience wrapper around rpccli_spoolss_AddPrinterEx
+**********************************************************************/
+
+WERROR rpccli_spoolss_addprinterex(struct rpc_pipe_client *cli,
+				   TALLOC_CTX *mem_ctx,
+				   struct spoolss_SetPrinterInfoCtr *info_ctr)
+{
+	WERROR result;
+	NTSTATUS status;
+	struct spoolss_DevmodeContainer devmode_ctr;
+	struct sec_desc_buf secdesc_ctr;
+	struct spoolss_UserLevelCtr userlevel_ctr;
+	struct spoolss_UserLevel1 level1;
+	struct policy_handle handle;
+	struct dcerpc_binding_handle *b = cli->binding_handle;
+	struct cli_credentials *creds = gensec_get_credentials(cli->auth->auth_ctx);
+
+	ZERO_STRUCT(devmode_ctr);
+	ZERO_STRUCT(secdesc_ctr);
+
+	result = spoolss_init_spoolss_UserLevel1(mem_ctx,
+						 cli_credentials_get_username(creds),
+						 &level1);
+	if (!W_ERROR_IS_OK(result)) {
+		return result;
+	}
+
+	userlevel_ctr.level = 1;
+	userlevel_ctr.user_info.level1 = &level1;
+
+	status = dcerpc_spoolss_AddPrinterEx(b, mem_ctx,
+					     cli->srv_name_slash,
+					     info_ctr,
+					     &devmode_ctr,
+					     &secdesc_ctr,
+					     &userlevel_ctr,
+					     &handle,
+					     &result);
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	return result;
+}
+
+/**********************************************************************
+ convencience wrapper around rpccli_spoolss_GetPrinter
+**********************************************************************/
+
+WERROR rpccli_spoolss_getprinter(struct rpc_pipe_client *cli,
+				 TALLOC_CTX *mem_ctx,
+				 struct policy_handle *handle,
+				 uint32_t level,
+				 uint32_t offered,
+				 union spoolss_PrinterInfo *info)
+{
+	NTSTATUS status;
+	WERROR werror;
+	DATA_BLOB buffer;
+	uint32_t needed;
+	struct dcerpc_binding_handle *b = cli->binding_handle;
+
+	if (offered > 0) {
+		buffer = data_blob_talloc_zero(mem_ctx, offered);
+		W_ERROR_HAVE_NO_MEMORY(buffer.data);
+	}
+
+	status = dcerpc_spoolss_GetPrinter(b, mem_ctx,
+					   handle,
+					   level,
+					   (offered > 0) ? &buffer : NULL,
+					   offered,
+					   info,
+					   &needed,
+					   &werror);
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	if (W_ERROR_EQUAL(werror, WERR_INSUFFICIENT_BUFFER)) {
+
+		offered = needed;
+		buffer = data_blob_talloc_zero(mem_ctx, offered);
+		W_ERROR_HAVE_NO_MEMORY(buffer.data);
+
+		status = dcerpc_spoolss_GetPrinter(b, mem_ctx,
+						   handle,
+						   level,
+						   &buffer,
+						   offered,
+						   info,
+						   &needed,
+						   &werror);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	return werror;
+}
+
+/**********************************************************************
+ convencience wrapper around rpccli_spoolss_GetJob
+**********************************************************************/
+
+WERROR rpccli_spoolss_getjob(struct rpc_pipe_client *cli,
+			     TALLOC_CTX *mem_ctx,
+			     struct policy_handle *handle,
+			     uint32_t job_id,
+			     uint32_t level,
+			     uint32_t offered,
+			     union spoolss_JobInfo *info)
+{
+	NTSTATUS status;
+	WERROR werror;
+	uint32_t needed;
+	DATA_BLOB buffer;
+	struct dcerpc_binding_handle *b = cli->binding_handle;
+
+	if (offered > 0) {
+		buffer = data_blob_talloc_zero(mem_ctx, offered);
+		W_ERROR_HAVE_NO_MEMORY(buffer.data);
+	}
+
+	status = dcerpc_spoolss_GetJob(b, mem_ctx,
+				       handle,
+				       job_id,
+				       level,
+				       (offered > 0) ? &buffer : NULL,
+				       offered,
+				       info,
+				       &needed,
+				       &werror);
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	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 = dcerpc_spoolss_GetJob(b, mem_ctx,
+					       handle,
+					       job_id,
+					       level,
+					       &buffer,
+					       offered,
+					       info,
+					       &needed,
+					       &werror);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	return werror;
+}
+
+/**********************************************************************
+ convencience wrapper around rpccli_spoolss_EnumForms
+**********************************************************************/
+
+WERROR rpccli_spoolss_enumforms(struct rpc_pipe_client *cli,
+				TALLOC_CTX *mem_ctx,
+				struct policy_handle *handle,
+				uint32_t level,
+				uint32_t offered,
+				uint32_t *count,
+				union spoolss_FormInfo **info)
+{
+	NTSTATUS status;
+	WERROR werror;
+	uint32_t needed;
+	DATA_BLOB buffer;
+	struct dcerpc_binding_handle *b = cli->binding_handle;
+
+	if (offered > 0) {
+		buffer = data_blob_talloc_zero(mem_ctx, offered);
+		W_ERROR_HAVE_NO_MEMORY(buffer.data);
+	}
+
+	status = dcerpc_spoolss_EnumForms(b, mem_ctx,
+					  handle,
+					  level,
+					  (offered > 0) ? &buffer : NULL,
+					  offered,
+					  count,
+					  info,
+					  &needed,
+					  &werror);
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	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 = dcerpc_spoolss_EnumForms(b, mem_ctx,
+						  handle,
+						  level,
+						  (offered > 0) ? &buffer : NULL,
+						  offered,
+						  count,
+						  info,
+						  &needed,
+						  &werror);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	return werror;
+}
+
+/**********************************************************************
+ convencience wrapper around rpccli_spoolss_EnumPrintProcessors
+**********************************************************************/
+
+WERROR rpccli_spoolss_enumprintprocessors(struct rpc_pipe_client *cli,
+					  TALLOC_CTX *mem_ctx,
+					  const char *servername,
+					  const char *environment,
+					  uint32_t level,
+					  uint32_t offered,
+					  uint32_t *count,
+					  union spoolss_PrintProcessorInfo **info)
+{
+	NTSTATUS status;
+	WERROR werror;
+	uint32_t needed;
+	DATA_BLOB buffer;
+	struct dcerpc_binding_handle *b = cli->binding_handle;
+
+	if (offered > 0) {
+		buffer = data_blob_talloc_zero(mem_ctx, offered);
+		W_ERROR_HAVE_NO_MEMORY(buffer.data);
+	}
+
+	status = dcerpc_spoolss_EnumPrintProcessors(b, mem_ctx,
+						    servername,
+						    environment,
+						    level,
+						    (offered > 0) ? &buffer : NULL,
+						    offered,
+						    count,
+						    info,
+						    &needed,
+						    &werror);
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	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 = dcerpc_spoolss_EnumPrintProcessors(b, mem_ctx,
+							    servername,
+							    environment,
+							    level,
+							    (offered > 0) ? &buffer : NULL,
+							    offered,
+							    count,
+							    info,
+							    &needed,
+							    &werror);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	return werror;
+}
+
+/**********************************************************************
+ convencience wrapper around rpccli_spoolss_EnumPrintProcessorDataTypes
+**********************************************************************/
+
+WERROR rpccli_spoolss_enumprintprocessordatatypes(struct rpc_pipe_client *cli,
+						  TALLOC_CTX *mem_ctx,
+						  const char *servername,
+						  const char *print_processor_name,
+						  uint32_t level,
+						  uint32_t offered,
+						  uint32_t *count,
+						  union spoolss_PrintProcDataTypesInfo **info)
+{
+	NTSTATUS status;
+	WERROR werror;
+	uint32_t needed;
+	DATA_BLOB buffer;
+	struct dcerpc_binding_handle *b = cli->binding_handle;
+
+	if (offered > 0) {
+		buffer = data_blob_talloc_zero(mem_ctx, offered);
+		W_ERROR_HAVE_NO_MEMORY(buffer.data);
+	}
+
+	status = dcerpc_spoolss_EnumPrintProcessorDataTypes(b, mem_ctx,
+							    servername,
+							    print_processor_name,
+							    level,
+							    (offered > 0) ? &buffer : NULL,
+							    offered,
+							    count,
+							    info,
+							    &needed,
+							    &werror);
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	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 = dcerpc_spoolss_EnumPrintProcessorDataTypes(b, mem_ctx,
+								    servername,
+								    print_processor_name,
+								    level,
+								    (offered > 0) ? &buffer : NULL,
+								    offered,
+								    count,
+								    info,
+								    &needed,
+								    &werror);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	return werror;
+}
+
+/**********************************************************************
+ convencience wrapper around rpccli_spoolss_EnumPorts
+**********************************************************************/
+
+WERROR rpccli_spoolss_enumports(struct rpc_pipe_client *cli,
+				TALLOC_CTX *mem_ctx,
+				const char *servername,
+				uint32_t level,
+				uint32_t offered,
+				uint32_t *count,
+				union spoolss_PortInfo **info)
+{
+	NTSTATUS status;
+	WERROR werror;
+	uint32_t needed;
+	DATA_BLOB buffer;
+	struct dcerpc_binding_handle *b = cli->binding_handle;
+
+	if (offered > 0) {
+		buffer = data_blob_talloc_zero(mem_ctx, offered);
+		W_ERROR_HAVE_NO_MEMORY(buffer.data);
+	}
+
+	status = dcerpc_spoolss_EnumPorts(b, mem_ctx,
+					  servername,
+					  level,
+					  (offered > 0) ? &buffer : NULL,
+					  offered,
+					  count,
+					  info,
+					  &needed,
+					  &werror);
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	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 = dcerpc_spoolss_EnumPorts(b, mem_ctx,
+						  servername,
+						  level,
+						  (offered > 0) ? &buffer : NULL,
+						  offered,
+						  count,
+						  info,
+						  &needed,
+						  &werror);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	return werror;
+}
+
+/**********************************************************************
+ convencience wrapper around rpccli_spoolss_EnumMonitors
+**********************************************************************/
+
+WERROR rpccli_spoolss_enummonitors(struct rpc_pipe_client *cli,
+				   TALLOC_CTX *mem_ctx,
+				   const char *servername,
+				   uint32_t level,
+				   uint32_t offered,
+				   uint32_t *count,
+				   union spoolss_MonitorInfo **info)
+{
+	NTSTATUS status;
+	WERROR werror;
+	uint32_t needed;
+	DATA_BLOB buffer;
+	struct dcerpc_binding_handle *b = cli->binding_handle;
+
+	if (offered > 0) {
+		buffer = data_blob_talloc_zero(mem_ctx, offered);
+		W_ERROR_HAVE_NO_MEMORY(buffer.data);
+	}
+
+	status = dcerpc_spoolss_EnumMonitors(b, mem_ctx,
+					     servername,
+					     level,
+					     (offered > 0) ? &buffer : NULL,
+					     offered,
+					     count,
+					     info,
+					     &needed,
+					     &werror);
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	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 = dcerpc_spoolss_EnumMonitors(b, mem_ctx,
+						     servername,
+						     level,
+						     (offered > 0) ? &buffer : NULL,
+						     offered,
+						     count,
+						     info,
+						     &needed,
+						     &werror);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	return werror;
+}
+
+/**********************************************************************
+ convencience wrapper around rpccli_spoolss_EnumJobs
+**********************************************************************/
+
+WERROR rpccli_spoolss_enumjobs(struct rpc_pipe_client *cli,
+			       TALLOC_CTX *mem_ctx,
+			       struct policy_handle *handle,
+			       uint32_t firstjob,
+			       uint32_t numjobs,
+			       uint32_t level,
+			       uint32_t offered,
+			       uint32_t *count,
+			       union spoolss_JobInfo **info)
+{
+	NTSTATUS status;
+	WERROR werror;
+	uint32_t needed;
+	DATA_BLOB buffer;
+	struct dcerpc_binding_handle *b = cli->binding_handle;
+
+	if (offered > 0) {
+		buffer = data_blob_talloc_zero(mem_ctx, offered);
+		W_ERROR_HAVE_NO_MEMORY(buffer.data);
+	}
+
+	status = dcerpc_spoolss_EnumJobs(b, mem_ctx,
+					 handle,
+					 firstjob,
+					 numjobs,
+					 level,
+					 (offered > 0) ? &buffer : NULL,
+					 offered,
+					 count,
+					 info,
+					 &needed,
+					 &werror);
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	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 = dcerpc_spoolss_EnumJobs(b, mem_ctx,
+						 handle,
+						 firstjob,
+						 numjobs,
+						 level,
+						 (offered > 0) ? &buffer : NULL,
+						 offered,
+						 count,
+						 info,
+						 &needed,
+						 &werror);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	return werror;
+}
+
+/**********************************************************************
+ convencience wrapper around rpccli_spoolss_EnumPrinterDrivers
+**********************************************************************/
+
+WERROR rpccli_spoolss_enumprinterdrivers(struct rpc_pipe_client *cli,
+					 TALLOC_CTX *mem_ctx,
+					 const char *server,
+					 const char *environment,
+					 uint32_t level,
+					 uint32_t offered,
+					 uint32_t *count,
+					 union spoolss_DriverInfo **info)
+{
+	NTSTATUS status;
+	WERROR werror;
+	uint32_t needed;
+	DATA_BLOB buffer;
+	struct dcerpc_binding_handle *b = cli->binding_handle;
+
+	if (offered > 0) {
+		buffer = data_blob_talloc_zero(mem_ctx, offered);
+		W_ERROR_HAVE_NO_MEMORY(buffer.data);
+	}
+
+	status = dcerpc_spoolss_EnumPrinterDrivers(b, mem_ctx,
+						   server,
+						   environment,
+						   level,
+						   (offered > 0) ? &buffer : NULL,
+						   offered,
+						   count,
+						   info,
+						   &needed,
+						   &werror);
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	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 = dcerpc_spoolss_EnumPrinterDrivers(b, mem_ctx,
+						   server,
+						   environment,
+						   level,
+						   (offered > 0) ? &buffer : NULL,
+						   offered,
+						   count,
+						   info,
+						   &needed,
+						   &werror);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	return werror;
+}
+
+/**********************************************************************
+ convencience wrapper around rpccli_spoolss_EnumPrinters
+**********************************************************************/
+
+WERROR rpccli_spoolss_enumprinters(struct rpc_pipe_client *cli,
+				   TALLOC_CTX *mem_ctx,
+				   uint32_t flags,
+				   const char *server,
+				   uint32_t level,
+				   uint32_t offered,
+				   uint32_t *count,
+				   union spoolss_PrinterInfo **info)
+{
+	NTSTATUS status;
+	WERROR werror;
+	uint32_t needed;
+	DATA_BLOB buffer;
+	struct dcerpc_binding_handle *b = cli->binding_handle;
+
+	if (offered > 0) {
+		buffer = data_blob_talloc_zero(mem_ctx, offered);
+		W_ERROR_HAVE_NO_MEMORY(buffer.data);
+	}
+
+	status = dcerpc_spoolss_EnumPrinters(b, mem_ctx,
+					     flags,
+					     server,
+					     level,
+					     (offered > 0) ? &buffer : NULL,
+					     offered,
+					     count,
+					     info,
+					     &needed,
+					     &werror);
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	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 = dcerpc_spoolss_EnumPrinters(b, mem_ctx,
+						     flags,
+						     server,
+						     level,
+						     (offered > 0) ? &buffer : NULL,
+						     offered,
+						     count,
+						     info,
+						     &needed,
+						     &werror);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	return werror;
+}
+
+/**********************************************************************
+ convencience wrapper around rpccli_spoolss_GetPrinterData
+**********************************************************************/
+
+WERROR rpccli_spoolss_getprinterdata(struct rpc_pipe_client *cli,
+				     TALLOC_CTX *mem_ctx,
+				     struct policy_handle *handle,
+				     const char *value_name,
+				     uint32_t offered,
+				     enum winreg_Type *type,
+				     uint32_t *needed_p,
+				     uint8_t **data_p)
+{
+	NTSTATUS status;
+	WERROR werror;
+	uint32_t needed;
+	uint8_t *data;
+	struct dcerpc_binding_handle *b = cli->binding_handle;
+
+	data = talloc_zero_array(mem_ctx, uint8_t, offered);
+	W_ERROR_HAVE_NO_MEMORY(data);
+
+	status = dcerpc_spoolss_GetPrinterData(b, mem_ctx,
+					       handle,
+					       value_name,
+					       type,
+					       data,
+					       offered,
+					       &needed,
+					       &werror);
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	if (W_ERROR_EQUAL(werror, WERR_MORE_DATA)) {
+		offered = needed;
+		data = talloc_zero_array(mem_ctx, uint8_t, offered);
+		W_ERROR_HAVE_NO_MEMORY(data);
+
+		status = dcerpc_spoolss_GetPrinterData(b, mem_ctx,
+						       handle,
+						       value_name,
+						       type,
+						       data,
+						       offered,
+						       &needed,
+						       &werror);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	*data_p = data;
+	*needed_p = needed;
+
+	return werror;
+}
+
+/**********************************************************************
+ convencience wrapper around rpccli_spoolss_EnumPrinterKey
+**********************************************************************/
+
+WERROR rpccli_spoolss_enumprinterkey(struct rpc_pipe_client *cli,
+				     TALLOC_CTX *mem_ctx,
+				     struct policy_handle *handle,
+				     const char *key_name,
+				     const char ***key_buffer,
+				     uint32_t offered)
+{
+	NTSTATUS status;
+	WERROR werror;
+	uint32_t needed;
+	union spoolss_KeyNames _key_buffer;
+	uint32_t _ndr_size;
+	struct dcerpc_binding_handle *b = cli->binding_handle;
+
+	status = dcerpc_spoolss_EnumPrinterKey(b, mem_ctx,
+					       handle,
+					       key_name,
+					       &_ndr_size,
+					       &_key_buffer,
+					       offered,
+					       &needed,
+					       &werror);
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	if (W_ERROR_EQUAL(werror, WERR_MORE_DATA)) {
+		offered = needed;
+		status = dcerpc_spoolss_EnumPrinterKey(b, mem_ctx,
+						       handle,
+						       key_name,
+						       &_ndr_size,
+						       &_key_buffer,
+						       offered,
+						       &needed,
+						       &werror);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	*key_buffer = _key_buffer.string_array;
+
+	return werror;
+}
+
+/**********************************************************************
+ convencience wrapper around rpccli_spoolss_EnumPrinterDataEx
+**********************************************************************/
+
+WERROR rpccli_spoolss_enumprinterdataex(struct rpc_pipe_client *cli,
+					TALLOC_CTX *mem_ctx,
+					struct policy_handle *handle,
+					const char *key_name,
+					uint32_t offered,
+					uint32_t *count,
+					struct spoolss_PrinterEnumValues **info)
+{
+	NTSTATUS status;
+	WERROR werror;
+	uint32_t needed;
+	struct dcerpc_binding_handle *b = cli->binding_handle;
+
+	status = dcerpc_spoolss_EnumPrinterDataEx(b, mem_ctx,
+						  handle,
+						  key_name,
+						  offered,
+						  count,
+						  info,
+						  &needed,
+						  &werror);
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	if (W_ERROR_EQUAL(werror, WERR_MORE_DATA)) {
+		offered = needed;
+
+		status = dcerpc_spoolss_EnumPrinterDataEx(b, mem_ctx,
+							  handle,
+							  key_name,
+							  offered,
+							  count,
+							  info,
+							  &needed,
+							  &werror);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		return ntstatus_to_werror(status);
+	}
+
+	return werror;
+}