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

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

8 files changed, 932 insertions, 0 deletions

diff --git a/source3/services/services.h b/source3/services/services.h
new file mode 100644
index 0000000..f65eed1
--- /dev/null
+++ b/source3/services/services.h
@@ -0,0 +1,54 @@
+/*
+   Unix SMB/CIFS implementation.
+   SMB parameters and setup
+   Copyright (C) Andrew Tridgell              1992-1997,
+   Copyright (C) Gerald (Jerry) Carter        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/>.
+*/
+
+#ifndef _SERVICES_H /* _SERVICES_H */
+#define _SERVICES_H
+
+#include "../librpc/gen_ndr/svcctl.h"
+
+/* where we assume the location of the service control scripts */
+#define SVCCTL_SCRIPT_DIR  "svcctl"
+
+/*
+ * dispatch table of functions to handle the =ServiceControl API
+ */
+
+typedef struct {
+	/* functions for enumerating subkeys and values */
+	WERROR 	(*stop_service)( const char *service, struct SERVICE_STATUS *status );
+	WERROR 	(*start_service) ( const char *service );
+	WERROR 	(*service_status)( const char *service, struct SERVICE_STATUS *status );
+} SERVICE_CONTROL_OPS;
+
+/* structure to store the service handle information  */
+
+typedef struct _ServiceInfo {
+	uint8_t			type;
+	char			*name;
+	uint32_t		access_granted;
+	SERVICE_CONTROL_OPS	*ops;
+} SERVICE_INFO;
+
+#define SVC_HANDLE_IS_SCM			0x0000001
+#define SVC_HANDLE_IS_SERVICE			0x0000002
+#define SVC_HANDLE_IS_DBLOCK			0x0000003
+
+#endif /* _SERICES_H */
+
diff --git a/source3/services/svc_netlogon.c b/source3/services/svc_netlogon.c
new file mode 100644
index 0000000..582cb56
--- /dev/null
+++ b/source3/services/svc_netlogon.c
@@ -0,0 +1,75 @@
+/*
+ *  Unix SMB/CIFS implementation.
+ *  Service Control API Implementation
+ *  Copyright (C) Gerald Carter                   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 "services/services.h"
+
+/* Implementation for internal netlogon service */
+
+/*********************************************************************
+*********************************************************************/
+
+static WERROR netlogon_status( const char *service, struct SERVICE_STATUS *service_status )
+{
+	ZERO_STRUCTP( service_status );
+
+        service_status->type			= SERVICE_TYPE_WIN32_SHARE_PROCESS;
+        service_status->controls_accepted	= SVCCTL_ACCEPT_NONE;
+
+	if ( lp_servicenumber("NETLOGON") != -1 ) {
+		service_status->state		= SVCCTL_RUNNING;
+		service_status->win32_exit_code	= WERR_SERVICE_NEVER_STARTED;
+	}
+	else
+		service_status->state		= SVCCTL_STOPPED;
+
+	return WERR_OK;
+}
+
+/*********************************************************************
+*********************************************************************/
+
+static WERROR netlogon_stop( const char *service, struct SERVICE_STATUS *service_status )
+{
+	netlogon_status( service, service_status );
+
+	return WERR_ACCESS_DENIED;
+}
+
+/*********************************************************************
+*********************************************************************/
+
+static WERROR netlogon_start( const char *service )
+{
+	if ( lp_servicenumber("NETLOGON") == -1 )
+		return WERR_SERVICE_DISABLED;
+
+	return WERR_ACCESS_DENIED;
+}
+
+/*********************************************************************
+*********************************************************************/
+
+/* struct for svcctl control to manipulate netlogon service */
+
+SERVICE_CONTROL_OPS netlogon_svc_ops = {
+	netlogon_stop,
+	netlogon_start,
+	netlogon_status
+};
diff --git a/source3/services/svc_rcinit.c b/source3/services/svc_rcinit.c
new file mode 100644
index 0000000..7a8ad65
--- /dev/null
+++ b/source3/services/svc_rcinit.c
@@ -0,0 +1,150 @@
+/*
+ *  Unix SMB/CIFS implementation.
+ *  Service Control API Implementation
+ *  Copyright (C) Gerald Carter                   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 "services/services.h"
+
+/*********************************************************************
+*********************************************************************/
+
+static WERROR rcinit_stop( const char *service, struct SERVICE_STATUS *status )
+{
+	int ret = -1;
+
+	/*
+	 * Disabled due to security concerns and unknown use in the
+	 * field -- vl@samba.org
+	 */
+#if 0
+	char *command = NULL;
+	int fd;
+
+	if (asprintf(&command, "%s/%s/%s stop",
+				get_dyn_MODULESDIR(), SVCCTL_SCRIPT_DIR, service) < 0) {
+		return WERR_NOT_ENOUGH_MEMORY;
+	}
+
+	/* we've already performed the access check when the service was opened */
+
+	become_root();
+	ret = smbrun(command, &fd, NULL);
+	unbecome_root();
+
+	DEBUGADD(5, ("rcinit_start: [%s] returned [%d]\n", command, ret));
+	close(fd);
+
+	SAFE_FREE(command);
+
+	ZERO_STRUCTP( status );
+
+	status->type			= SERVICE_TYPE_WIN32_SHARE_PROCESS;
+	status->state			= (ret == 0 ) ? SVCCTL_STOPPED : SVCCTL_RUNNING;
+	status->controls_accepted	= SVCCTL_ACCEPT_STOP |
+					  SVCCTL_ACCEPT_SHUTDOWN;
+#endif
+	return ( ret == 0 ) ? WERR_OK : WERR_ACCESS_DENIED;
+}
+
+/*********************************************************************
+*********************************************************************/
+
+static WERROR rcinit_start( const char *service )
+{
+	int ret = -1;
+	/*
+	 * Disabled due to security concerns and unknown use in the
+	 * field -- vl@samba.org
+	 */
+#if 0
+	char *command = NULL;
+	int fd;
+
+	if (asprintf(&command, "%s/%s/%s start",
+				get_dyn_MODULESDIR(), SVCCTL_SCRIPT_DIR, service) < 0) {
+		return WERR_NOT_ENOUGH_MEMORY;
+	}
+
+	/* we've already performed the access check when the service was opened */
+
+	become_root();
+	ret = smbrun(command, &fd, NULL);
+	unbecome_root();
+
+	DEBUGADD(5, ("rcinit_start: [%s] returned [%d]\n", command, ret));
+	close(fd);
+
+	SAFE_FREE(command);
+#endif
+	return ( ret == 0 ) ? WERR_OK : WERR_ACCESS_DENIED;
+}
+
+/*********************************************************************
+*********************************************************************/
+
+static WERROR rcinit_status( const char *service, struct SERVICE_STATUS *status )
+{
+	/*
+	 * Disabled due to security concerns and unknown use in the
+	 * field -- vl@samba.org
+	 */
+#if 0
+	char *command = NULL;
+	int ret, fd;
+
+	if (asprintf(&command, "%s/%s/%s status",
+				get_dyn_MODULESDIR(), SVCCTL_SCRIPT_DIR, service) < 0) {
+		return WERR_NOT_ENOUGH_MEMORY;
+	}
+
+	/* we've already performed the access check when the service was opened */
+	/* assume as return code of 0 means that the service is ok.  Anything else
+	   is STOPPED */
+
+	become_root();
+	ret = smbrun(command, &fd, NULL);
+	unbecome_root();
+
+	DEBUGADD(5, ("rcinit_start: [%s] returned [%d]\n", command, ret));
+	close(fd);
+
+	SAFE_FREE(command);
+
+	ZERO_STRUCTP( status );
+
+	status->type			= SERVICE_TYPE_WIN32_SHARE_PROCESS;
+	status->state			= (ret == 0 ) ? SVCCTL_RUNNING : SVCCTL_STOPPED;
+	status->controls_accepted	= SVCCTL_ACCEPT_STOP |
+					  SVCCTL_ACCEPT_SHUTDOWN;
+
+	return WERR_OK;
+#else
+	return WERR_ACCESS_DENIED;
+#endif
+}
+
+/*********************************************************************
+*********************************************************************/
+
+/* struct for svcctl control to manipulate rcinit service */
+
+SERVICE_CONTROL_OPS rcinit_svc_ops = {
+	rcinit_stop,
+	rcinit_start,
+	rcinit_status
+};
diff --git a/source3/services/svc_spoolss.c b/source3/services/svc_spoolss.c
new file mode 100644
index 0000000..e827013
--- /dev/null
+++ b/source3/services/svc_spoolss.c
@@ -0,0 +1,87 @@
+/*
+ *  Unix SMB/CIFS implementation.
+ *  Service Control API Implementation
+ *  Copyright (C) Gerald Carter                   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 "services/services.h"
+
+/* Implementation for internal spoolss service */
+
+/*********************************************************************
+*********************************************************************/
+
+static WERROR spoolss_stop( const char *service, struct SERVICE_STATUS *service_status )
+{
+	ZERO_STRUCTP( service_status );
+
+	lp_set_spoolss_state( SVCCTL_STOPPED );
+
+	service_status->type			= SERVICE_TYPE_INTERACTIVE_PROCESS |
+						  SERVICE_TYPE_WIN32_OWN_PROCESS;
+	service_status->state			= SVCCTL_STOPPED;
+	service_status->controls_accepted	= SVCCTL_ACCEPT_STOP;
+
+	DEBUG(6,("spoolss_stop: spooler stopped (not really)\n"));
+
+	return WERR_OK;
+}
+
+/*********************************************************************
+*********************************************************************/
+
+static WERROR spoolss_start( const char *service )
+{
+	/* see if the smb.conf will support this anyways */
+
+	if ( lp__disable_spoolss() )
+		return WERR_ACCESS_DENIED;
+
+	if (lp_get_spoolss_state() == SVCCTL_RUNNING) {
+		return WERR_SERVICE_ALREADY_RUNNING;
+	}
+
+	lp_set_spoolss_state( SVCCTL_RUNNING );
+
+	return WERR_OK;
+}
+
+/*********************************************************************
+*********************************************************************/
+
+static WERROR spoolss_status( const char *service, struct SERVICE_STATUS *service_status )
+{
+	ZERO_STRUCTP( service_status );
+
+	service_status->type			= SERVICE_TYPE_INTERACTIVE_PROCESS |
+						  SERVICE_TYPE_WIN32_OWN_PROCESS;
+	service_status->state			= lp_get_spoolss_state();
+	service_status->controls_accepted	= SVCCTL_ACCEPT_STOP;
+
+	return WERR_OK;
+}
+
+/*********************************************************************
+*********************************************************************/
+
+/* struct for svcctl control to manipulate spoolss service */
+
+SERVICE_CONTROL_OPS spoolss_svc_ops = {
+	spoolss_stop,
+	spoolss_start,
+	spoolss_status
+};
diff --git a/source3/services/svc_winreg.c b/source3/services/svc_winreg.c
new file mode 100644
index 0000000..04c137f
--- /dev/null
+++ b/source3/services/svc_winreg.c
@@ -0,0 +1,64 @@
+/*
+ *  Unix SMB/CIFS implementation.
+ *  Service Control API Implementation
+ *  Copyright (C) Gerald Carter                   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 "services/services.h"
+
+/* Implementation for internal winreg service */
+
+/*********************************************************************
+*********************************************************************/
+
+static WERROR winreg_stop( const char *service, struct SERVICE_STATUS *service_status )
+{
+	return WERR_ACCESS_DENIED;
+}
+
+/*********************************************************************
+*********************************************************************/
+
+static WERROR winreg_start( const char *service )
+{
+	return WERR_ACCESS_DENIED;
+}
+
+/*********************************************************************
+*********************************************************************/
+
+static WERROR winreg_status( const char *service, struct SERVICE_STATUS *service_status )
+{
+	ZERO_STRUCTP( service_status );
+
+	service_status->type			= SERVICE_TYPE_WIN32_SHARE_PROCESS;
+	service_status->controls_accepted	= SVCCTL_ACCEPT_NONE;
+	service_status->state			= SVCCTL_RUNNING;
+
+	return WERR_OK;
+}
+
+/*********************************************************************
+*********************************************************************/
+
+/* struct for svcctl control to manipulate winreg service */
+
+SERVICE_CONTROL_OPS winreg_svc_ops = {
+	winreg_stop,
+	winreg_start,
+	winreg_status
+};
diff --git a/source3/services/svc_winreg_glue.c b/source3/services/svc_winreg_glue.c
new file mode 100644
index 0000000..50b9897
--- /dev/null
+++ b/source3/services/svc_winreg_glue.c
@@ -0,0 +1,370 @@
+/*
+ *  Unix SMB/CIFS implementation.
+ *
+ *  SVC winreg glue
+ *
+ *  Copyright (c) 2005      Marcin Krzysztof Porwit
+ *  Copyright (c) 2005      Gerald (Jerry) Carter
+ *  Copyright (c) 2011      Andreas Schneider <asn@samba.org>
+ *
+ *  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 "services/services.h"
+#include "services/svc_winreg_glue.h"
+#include "rpc_client/cli_winreg_int.h"
+#include "rpc_client/cli_winreg.h"
+#include "../librpc/gen_ndr/ndr_winreg_c.h"
+#include "../libcli/security/security.h"
+
+#define TOP_LEVEL_SERVICES_KEY "SYSTEM\\CurrentControlSet\\Services"
+
+struct security_descriptor* svcctl_gen_service_sd(TALLOC_CTX *mem_ctx)
+{
+	struct security_descriptor *sd = NULL;
+	struct security_acl *theacl = NULL;
+	struct security_ace ace[4];
+	size_t sd_size;
+	size_t i = 0;
+
+	/* Basic access for everyone */
+	init_sec_ace(&ace[i++], &global_sid_World,
+		SEC_ACE_TYPE_ACCESS_ALLOWED, SERVICE_READ_ACCESS, 0);
+
+	init_sec_ace(&ace[i++], &global_sid_Builtin_Power_Users,
+			SEC_ACE_TYPE_ACCESS_ALLOWED, SERVICE_EXECUTE_ACCESS, 0);
+
+	init_sec_ace(&ace[i++], &global_sid_Builtin_Server_Operators,
+		SEC_ACE_TYPE_ACCESS_ALLOWED, SERVICE_ALL_ACCESS, 0);
+	init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators,
+		SEC_ACE_TYPE_ACCESS_ALLOWED, SERVICE_ALL_ACCESS, 0);
+
+	/* Create the security descriptor */
+	theacl = make_sec_acl(mem_ctx,
+			      NT4_ACL_REVISION,
+			      i,
+			      ace);
+	if (theacl == NULL) {
+		return NULL;
+	}
+
+	sd = make_sec_desc(mem_ctx,
+			   SECURITY_DESCRIPTOR_REVISION_1,
+			   SEC_DESC_SELF_RELATIVE,
+			   NULL,
+			   NULL,
+			   NULL,
+			   theacl,
+			   &sd_size);
+	if (sd == NULL) {
+		return NULL;
+	}
+
+	return sd;
+}
+
+WERROR svcctl_get_secdesc(struct messaging_context *msg_ctx,
+			  const struct auth_session_info *session_info,
+			  const char *name,
+			  TALLOC_CTX *mem_ctx,
+			  struct security_descriptor **psd)
+{
+	struct dcerpc_binding_handle *h = NULL;
+	uint32_t access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
+	struct policy_handle hive_hnd, key_hnd;
+	struct security_descriptor *sd = NULL;
+	char *key = NULL;
+	NTSTATUS status;
+	WERROR result = WERR_OK;
+
+	key = talloc_asprintf(mem_ctx,
+			      "%s\\%s\\Security",
+			      TOP_LEVEL_SERVICES_KEY, name);
+	if (key == NULL) {
+		return WERR_NOT_ENOUGH_MEMORY;
+	}
+
+	status = dcerpc_winreg_int_hklm_openkey(mem_ctx,
+						session_info,
+						msg_ctx,
+						&h,
+						key,
+						false,
+						access_mask,
+						&hive_hnd,
+						&key_hnd,
+						&result);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(2, ("svcctl_set_secdesc: Could not open %s - %s\n",
+			  key, nt_errstr(status)));
+		return WERR_INTERNAL_ERROR;
+	}
+	if (!W_ERROR_IS_OK(result)) {
+		DEBUG(2, ("svcctl_set_secdesc: Could not open %s - %s\n",
+			  key, win_errstr(result)));
+		return result;
+	}
+
+	status = dcerpc_winreg_query_sd(mem_ctx,
+					h,
+					&key_hnd,
+					"Security",
+					&sd,
+					&result);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(2, ("svcctl_get_secdesc: error getting value 'Security': "
+			  "%s\n", nt_errstr(status)));
+		return WERR_INTERNAL_ERROR;
+	}
+	if (W_ERROR_EQUAL(result, WERR_FILE_NOT_FOUND)) {
+		goto fallback_to_default_sd;
+	} else if (!W_ERROR_IS_OK(result)) {
+		DEBUG(2, ("svcctl_get_secdesc: error getting value 'Security': "
+			  "%s\n", win_errstr(result)));
+		return result;
+	}
+
+	goto done;
+
+fallback_to_default_sd:
+	DEBUG(6, ("svcctl_get_secdesc: constructing default secdesc for "
+		  "service [%s]\n", name));
+	sd = svcctl_gen_service_sd(mem_ctx);
+	if (sd == NULL) {
+		return WERR_NOT_ENOUGH_MEMORY;
+	}
+
+done:
+	*psd = sd;
+	return WERR_OK;
+}
+
+bool svcctl_set_secdesc(struct messaging_context *msg_ctx,
+			const struct auth_session_info *session_info,
+			const char *name,
+			struct security_descriptor *sd)
+{
+	struct dcerpc_binding_handle *h = NULL;
+	uint32_t access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
+	struct policy_handle hive_hnd;
+	struct policy_handle key_hnd = { 0, };
+	char *key = NULL;
+	bool ok = false;
+	TALLOC_CTX *tmp_ctx;
+	NTSTATUS status;
+	WERROR result = WERR_OK;
+
+	tmp_ctx = talloc_stackframe();
+	if (tmp_ctx == NULL) {
+		return false;
+	}
+
+	key = talloc_asprintf(tmp_ctx, "%s\\%s", TOP_LEVEL_SERVICES_KEY, name);
+	if (key == NULL) {
+		goto done;
+	}
+
+	status = dcerpc_winreg_int_hklm_openkey(tmp_ctx,
+						session_info,
+						msg_ctx,
+						&h,
+						key,
+						false,
+						access_mask,
+						&hive_hnd,
+						&key_hnd,
+						&result);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(0, ("svcctl_set_secdesc: Could not open %s - %s\n",
+			  key, nt_errstr(status)));
+		goto done;
+	}
+	if (!W_ERROR_IS_OK(result)) {
+		DEBUG(0, ("svcctl_set_secdesc: Could not open %s - %s\n",
+			  key, win_errstr(result)));
+		goto done;
+	}
+
+	if (is_valid_policy_hnd(&key_hnd)) {
+		dcerpc_winreg_CloseKey(h, tmp_ctx, &key_hnd, &result);
+	}
+
+	{
+		enum winreg_CreateAction action = REG_ACTION_NONE;
+		struct winreg_String wkey = { 0, };
+		struct winreg_String wkeyclass;
+
+		wkey.name = talloc_asprintf(tmp_ctx, "%s\\Security", key);
+		if (wkey.name == NULL) {
+			result = WERR_NOT_ENOUGH_MEMORY;
+			goto done;
+		}
+
+		ZERO_STRUCT(wkeyclass);
+		wkeyclass.name = "";
+
+		status = dcerpc_winreg_CreateKey(h,
+						 tmp_ctx,
+						 &hive_hnd,
+						 wkey,
+						 wkeyclass,
+						 0,
+						 access_mask,
+						 NULL,
+						 &key_hnd,
+						 &action,
+						 &result);
+		if (!NT_STATUS_IS_OK(status)) {
+			DEBUG(2, ("svcctl_set_secdesc: Could not create key %s: %s\n",
+				wkey.name, nt_errstr(status)));
+			goto done;
+		}
+		if (!W_ERROR_IS_OK(result)) {
+			DEBUG(2, ("svcctl_set_secdesc: Could not create key %s: %s\n",
+				wkey.name, win_errstr(result)));
+			goto done;
+		}
+
+		status = dcerpc_winreg_set_sd(tmp_ctx,
+					      h,
+					      &key_hnd,
+					      "Security",
+					      sd,
+					      &result);
+		if (!NT_STATUS_IS_OK(status)) {
+			goto done;
+		}
+		if (!W_ERROR_IS_OK(result)) {
+			goto done;
+		}
+	}
+
+	ok = true;
+
+done:
+	if (is_valid_policy_hnd(&key_hnd)) {
+		dcerpc_winreg_CloseKey(h, tmp_ctx, &key_hnd, &result);
+	}
+
+	talloc_free(tmp_ctx);
+	return ok;
+}
+
+const char *svcctl_get_string_value(TALLOC_CTX *mem_ctx,
+				    struct messaging_context *msg_ctx,
+				    const struct auth_session_info *session_info,
+				    const char *key_name,
+				    const char *value_name)
+{
+	struct dcerpc_binding_handle *h = NULL;
+	uint32_t access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
+	struct policy_handle hive_hnd, key_hnd;
+	const char *data = NULL;
+	char *path = NULL;
+	TALLOC_CTX *tmp_ctx;
+	NTSTATUS status;
+	WERROR result = WERR_OK;
+
+	tmp_ctx = talloc_stackframe();
+	if (tmp_ctx == NULL) {
+		return NULL;
+	}
+
+	path = talloc_asprintf(tmp_ctx, "%s\\%s",
+					TOP_LEVEL_SERVICES_KEY, key_name);
+	if (path == NULL) {
+		goto done;
+	}
+
+	status = dcerpc_winreg_int_hklm_openkey(tmp_ctx,
+						session_info,
+						msg_ctx,
+						&h,
+						path,
+						false,
+						access_mask,
+						&hive_hnd,
+						&key_hnd,
+						&result);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(2, ("svcctl_get_string_value: Could not open %s - %s\n",
+			  path, nt_errstr(status)));
+		goto done;
+	}
+	if (!W_ERROR_IS_OK(result)) {
+		DEBUG(2, ("svcctl_get_string_value: Could not open %s - %s\n",
+			  path, win_errstr(result)));
+		goto done;
+	}
+
+	status = dcerpc_winreg_query_sz(mem_ctx,
+					h,
+					&key_hnd,
+					value_name,
+					&data,
+					&result);
+
+done:
+	talloc_free(tmp_ctx);
+	return data;
+}
+
+/********************************************************************
+********************************************************************/
+
+const char *svcctl_lookup_dispname(TALLOC_CTX *mem_ctx,
+				   struct messaging_context *msg_ctx,
+				   const struct auth_session_info *session_info,
+				   const char *name)
+{
+	const char *display_name = NULL;
+
+	display_name = svcctl_get_string_value(mem_ctx,
+					       msg_ctx,
+					       session_info,
+					       name,
+					       "DisplayName");
+
+	if (display_name == NULL) {
+		display_name = talloc_strdup(mem_ctx, name);
+	}
+
+	return display_name;
+}
+
+/********************************************************************
+********************************************************************/
+
+const char *svcctl_lookup_description(TALLOC_CTX *mem_ctx,
+				      struct messaging_context *msg_ctx,
+				      const struct auth_session_info *session_info,
+				      const char *name)
+{
+	const char *description = NULL;
+
+	description = svcctl_get_string_value(mem_ctx,
+					      msg_ctx,
+					      session_info,
+					      name,
+					      "Description");
+
+	if (description == NULL) {
+		description = talloc_strdup(mem_ctx, "Unix Service");
+	}
+
+	return description;
+}
+
+/* vim: set ts=8 sw=8 noet cindent syntax=c.doxygen: */
diff --git a/source3/services/svc_winreg_glue.h b/source3/services/svc_winreg_glue.h
new file mode 100644
index 0000000..e013f8d
--- /dev/null
+++ b/source3/services/svc_winreg_glue.h
@@ -0,0 +1,60 @@
+/*
+ *  Unix SMB/CIFS implementation.
+ *
+ *  SVC winreg glue
+ *
+ *  Copyright (c) 2005      Marcin Krzysztof Porwit
+ *  Copyright (c) 2005      Gerald (Jerry) Carter
+ *  Copyright (c) 2011      Andreas Schneider <asn@samba.org>
+ *
+ *  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/>.
+ */
+
+#ifndef SVC_WINREG_GLUE_H
+#define SVC_WINREG_GLUE_H
+
+struct auth_session_info;
+
+struct security_descriptor* svcctl_gen_service_sd(TALLOC_CTX *mem_ctx);
+
+WERROR svcctl_get_secdesc(struct messaging_context *msg_ctx,
+			  const struct auth_session_info *session_info,
+			  const char *name,
+			  TALLOC_CTX *mem_ctx,
+			  struct security_descriptor **result);
+
+bool svcctl_set_secdesc(struct messaging_context *msg_ctx,
+			const struct auth_session_info *session_info,
+			const char *name,
+			struct security_descriptor *sd);
+
+const char *svcctl_get_string_value(TALLOC_CTX *mem_ctx,
+				    struct messaging_context *msg_ctx,
+				    const struct auth_session_info *session_info,
+				    const char *key_name,
+				    const char *value_name);
+
+const char *svcctl_lookup_dispname(TALLOC_CTX *mem_ctx,
+				   struct messaging_context *msg_ctx,
+				   const struct auth_session_info *session_info,
+				   const char *name);
+
+const char *svcctl_lookup_description(TALLOC_CTX *mem_ctx,
+				      struct messaging_context *msg_ctx,
+				      const struct auth_session_info *session_info,
+				      const char *name);
+
+#endif /* SVC_WINREG_GLUE_H */
+
+/* vim: set ts=8 sw=8 noet cindent syntax=c.doxygen: */
diff --git a/source3/services/svc_wins.c b/source3/services/svc_wins.c
new file mode 100644
index 0000000..c8d72bc
--- /dev/null
+++ b/source3/services/svc_wins.c
@@ -0,0 +1,72 @@
+/*
+ *  Unix SMB/CIFS implementation.
+ *  Service Control API Implementation
+ *  Copyright (C) Gerald Carter                   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 "services/services.h"
+
+/* Implementation for internal wins service */
+
+/*********************************************************************
+*********************************************************************/
+
+static WERROR wins_status( const char *service, struct SERVICE_STATUS *service_status )
+{
+	ZERO_STRUCTP( service_status );
+
+	service_status->type			= SERVICE_TYPE_WIN32_OWN_PROCESS;
+	service_status->controls_accepted	= SVCCTL_ACCEPT_NONE;
+
+	if ( lp_we_are_a_wins_server() )
+		service_status->state     = SVCCTL_RUNNING;
+	else {
+		service_status->state		= SVCCTL_STOPPED;
+		service_status->win32_exit_code	= WERR_SERVICE_NEVER_STARTED;
+	}
+
+	return WERR_OK;
+}
+
+/*********************************************************************
+*********************************************************************/
+
+static WERROR wins_stop( const char *service, struct SERVICE_STATUS *service_status )
+{
+	wins_status( service, service_status );
+
+	return WERR_ACCESS_DENIED;
+}
+
+/*********************************************************************
+*********************************************************************/
+
+static WERROR wins_start( const char *service )
+{
+	return WERR_ACCESS_DENIED;
+}
+
+/*********************************************************************
+*********************************************************************/
+
+/* struct for svcctl control to manipulate wins service */
+
+SERVICE_CONTROL_OPS wins_svc_ops = {
+	wins_stop,
+	wins_start,
+	wins_status
+};