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	diff --git a/include/crm/stonith-ng.h b/include/crm/stonith-ng.h
	index 9f83c6e44c..ce6dd5b33f 100644
	--- a/include/crm/stonith-ng.h
	+++ b/include/crm/stonith-ng.h
	@@ -1,495 +1,498 @@
	/*
	* Copyright 2004-2018 Andrew Beekhof <andrew@beekhof.net>
	*
	* This source code is licensed under the GNU Lesser General Public License
	* version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
	*/

	#ifdef __cplusplus
	extern "C" {
	#endif

	/**
	* \file
	* \brief Fencing aka. STONITH
	* \ingroup fencing
	*/

	#ifndef STONITH_NG__H
	# define STONITH_NG__H

	# include <dlfcn.h>
	# include <errno.h>
	# include <stdbool.h>

	/* TO-DO: Work out how to drop this requirement */
	# include <libxml/tree.h>

	# define T_STONITH_NOTIFY_DISCONNECT "st_notify_disconnect"
	# define T_STONITH_NOTIFY_FENCE "st_notify_fence"

	/* INDENT-OFF */
	enum stonith_state {
	stonith_connected_command,
	stonith_connected_query,
	stonith_disconnected,
	};

	enum stonith_call_options {
	st_opt_none = 0x00000000,
	st_opt_verbose = 0x00000001,
	st_opt_allow_suicide = 0x00000002,

	st_opt_manual_ack = 0x00000008,
	st_opt_discard_reply = 0x00000010,
	/* st_opt_all_replies = 0x00000020, */
	st_opt_topology = 0x00000040,
	st_opt_scope_local = 0x00000100,
	st_opt_cs_nodeid = 0x00000200,
	st_opt_sync_call = 0x00001000,
	/*! Allow the timeout period for a callback to be adjusted
	* based on the time the server reports the operation will take. */
	st_opt_timeout_updates = 0x00002000,
	/! Only report back if operation is a success in callback /
	st_opt_report_only_success = 0x00004000,
	};

	/! Order matters here, do not change values /
	enum op_state
	{
	st_query,
	st_exec,
	st_done,
	st_duplicate,
	st_failed,
	};

	// Supported fence agent interface standards
	enum stonith_namespace {
	st_namespace_invalid,
	st_namespace_any,
	st_namespace_internal, // Implemented internally by Pacemaker

	/* Neither of these projects are active any longer, but the fence agent
	* interfaces they created are still in use and supported by Pacemaker.
	*/
	st_namespace_rhcs, // Red Hat Cluster Suite compatible
	st_namespace_lha, // Linux-HA compatible
	};

	enum stonith_namespace stonith_text2namespace(const char *namespace_s);
	const char *stonith_namespace2text(enum stonith_namespace namespace);
	+enum stonith_namespace stonith_get_namespace(const char *agent,
	+ const char *namespace_s);

	typedef struct stonith_key_value_s {
	char *key;
	char *value;
	struct stonith_key_value_s *next;
	} stonith_key_value_t;

	typedef struct stonith_history_s {
	char *target;
	char *action;
	char *origin;
	char *delegate;
	char *client;
	int state;
	time_t completed;
	struct stonith_history_s *next;
	} stonith_history_t;

	typedef struct stonith_s stonith_t;

	typedef struct stonith_event_s
	{
	char *id;
	char *type;
	char *message;
	char *operation;

	int result;
	char *origin;
	char *target;
	char *action;
	char *executioner;

	char *device;

	/! The name of the client that initiated the action. /
	char *client_origin;

	} stonith_event_t;

	typedef struct stonith_callback_data_s
	{
	int rc;
	int call_id;
	void *userdata;
	} stonith_callback_data_t;

	typedef struct stonith_api_operations_s
	{
	/*!
	* \brief Destroy the stonith api structure.
	*/
	int (free) (stonith_t st);

	/*!
	* \brief Connect to the local stonith daemon.
	*
	* \retval 0, success
	* \retval negative error code on failure
	*/
	int (connect) (stonith_t st, const char name, int stonith_fd);

	/*!
	* \brief Disconnect from the local stonith daemon.
	*
	* \retval 0, success
	* \retval negative error code on failure
	*/
	int (disconnect)(stonith_t st);

	/*!
	* \brief Remove a registered stonith device with the local stonith daemon.
	*
	* \note Synchronous, guaranteed to occur in daemon before function returns.
	*
	* \retval 0, success
	* \retval negative error code on failure
	*/
	int (*remove_device)(
	stonith_t st, int options, const char name);

	/*!
	* \brief Register a stonith device with the local stonith daemon.
	*
	* \note Synchronous, guaranteed to occur in daemon before function returns.
	*
	* \retval 0, success
	* \retval negative error code on failure
	*/
	int (*register_device)(
	stonith_t st, int options, const char id,
	const char provider, const char agent, stonith_key_value_t *params);

	/*!
	* \brief Remove a fencing level for a specific node.
	*
	* \note This feature is not available when stonith is in standalone mode.
	*
	* \retval 0, success
	* \retval negative error code on failure
	*/
	int (*remove_level)(
	stonith_t st, int options, const char node, int level);

	/*!
	* \brief Register a fencing level containing the fencing devices to be used
	* at that level for a specific node.
	*
	* \note This feature is not available when stonith is in standalone mode.
	*
	* \retval 0, success
	* \retval negative error code on failure
	*/
	int (*register_level)(
	stonith_t st, int options, const char node, int level, stonith_key_value_t *device_list);

	/*!
	* \brief Get the metadata documentation for a resource.
	*
	* \note Value is returned in output. Output must be freed when set.
	*
	* \retval 0 success
	* \retval negative error code on failure
	*/
	int (metadata)(stonith_t st, int options,
	const char device, const char provider, char **output, int timeout);

	/*!
	* \brief Retrieve a list of installed stonith agents
	*
	* \note if provider is not provided, all known agents will be returned
	* \note list must be freed using stonith_key_value_freeall()
	* \note call_options parameter is not used, it is reserved for future use.
	*
	* \retval num items in list on success
	* \retval negative error code on failure
	*/
	int (list_agents)(stonith_t stonith, int call_options, const char *provider,
	stonith_key_value_t **devices, int timeout);

	/*!
	* \brief Retrieve string listing hosts and port assignments from a local stonith device.
	*
	* \retval 0 on success
	* \retval negative error code on failure
	*/
	int (list)(stonith_t st, int options, const char id, char *list_output, int timeout);

	/*!
	* \brief Check to see if a local stonith device is reachable
	*
	* \retval 0 on success
	* \retval negative error code on failure
	*/
	int (monitor)(stonith_t st, int options, const char *id, int timeout);

	/*!
	* \brief Check to see if a local stonith device's port is reachable
	*
	* \retval 0 on success
	* \retval negative error code on failure
	*/
	int (status)(stonith_t st, int options, const char id, const char port, int timeout);

	/*!
	* \brief Retrieve a list of registered stonith devices.
	*
	* \note If node is provided, only devices that can fence the node id
	* will be returned.
	*
	* \retval num items in list on success
	* \retval negative error code on failure
	*/
	int (query)(stonith_t st, int options, const char *node,
	stonith_key_value_t **devices, int timeout);

	/*!
	* \brief Issue a fencing action against a node.
	*
	* \note Possible actions are, 'on', 'off', and 'reboot'.
	*
	* \param st, stonith connection
	* \param options, call options
	* \param node, The target node to fence
	* \param action, The fencing action to take
	* \param timeout, The default per device timeout to use with each device
	* capable of fencing the target.
	*
	* \retval 0 success
	* \retval negative error code on failure.
	*/
	int (fence)(stonith_t st, int options, const char node, const char action,
	int timeout, int tolerance);

	/*!
	* \brief Manually confirm that a node is down.
	*
	* \retval 0 success
	* \retval negative error code on failure.
	*/
	int (confirm)(stonith_t st, int options, const char *node);

	/*!
	* \brief Retrieve a list of fencing operations that have occurred for a specific node.
	*
	* \note History is not available in standalone mode.
	*
	* \retval 0 success
	* \retval negative error code on failure.
	*/
	int (history)(stonith_t st, int options, const char node, stonith_history_t *output, int timeout);

	int (*register_notification)(
	stonith_t st, const char event,
	void (notify)(stonith_t st, stonith_event_t *e));
	int (remove_notification)(stonith_t st, const char *event);

	/*!
	* \brief Register a callback to receive the result of an async call id
	*
	* \param call_id, The call id to register the callback for.
	* \param timeout, The default timeout period to wait until this callback expires
	* \param options, Option flags, st_opt_timeout_updates and st_opt_report_only_success are the
	* only valid options for this function.
	* \param userdate, A pointer that will be handed back in the callback.
	* \param callback_name, Unique name given to callback
	* \param callback, The callback function
	*
	* \retval 0 success
	* \retval negative error code on failure.
	*/
	int (register_callback)(stonith_t st,
	int call_id,
	int timeout,
	int options,
	void *userdata,
	const char *callback_name,
	void (callback)(stonith_t st, stonith_callback_data_t *data));

	/*!
	* \brief Remove a registered callback for a given call id.
	*/
	int (remove_callback)(stonith_t st, int call_id, bool all_callbacks);

	/*!
	* \brief Remove fencing level for specific node, node regex or attribute
	*
	* \param[in] st Fencer connection to use
	* \param[in] options Bitmask of stonith_call_options to pass to the fencer
	* \param[in] node If not NULL, target level by this node name
	* \param[in] pattern If not NULL, target by node name using this regex
	* \param[in] attr If not NULL, target by this node attribute
	* \param[in] value If not NULL, target by this node attribute value
	* \param[in] level Index number of level to remove
	*
	* \return 0 on success, negative error code otherwise
	*
	* \note This feature is not available when stonith is in standalone mode.
	* The caller should set only one of node, pattern or attr/value.
	*/
	int (remove_level_full)(stonith_t st, int options,
	const char node, const char pattern,
	const char attr, const char value, int level);

	/*!
	* \brief Register fencing level for specific node, node regex or attribute
	*
	* \param[in] st Fencer connection to use
	* \param[in] options Bitmask of stonith_call_options to pass to fencer
	* \param[in] node If not NULL, target level by this node name
	* \param[in] pattern If not NULL, target by node name using this regex
	* \param[in] attr If not NULL, target by this node attribute
	* \param[in] value If not NULL, target by this node attribute value
	* \param[in] level Index number of level to add
	* \param[in] device_list Devices to use in level
	*
	* \return 0 on success, negative error code otherwise
	*
	* \note This feature is not available when stonith is in standalone mode.
	* The caller should set only one of node, pattern or attr/value.
	*/
	int (register_level_full)(stonith_t st, int options,
	const char node, const char pattern,
	const char attr, const char value,
	int level, stonith_key_value_t *device_list);

	} stonith_api_operations_t;

	struct stonith_s
	{
	enum stonith_state state;

	int call_id;
	int call_timeout;
	void *st_private;

	stonith_api_operations_t *cmds;
	};
	/* INDENT-ON */

	/* Core functions */
	stonith_t *stonith_api_new(void);
	void stonith_api_delete(stonith_t * st);

	void stonith_dump_pending_callbacks(stonith_t * st);

	+// deprecated (use stonith_get_namespace() instead)
	const char get_stonith_provider(const char agent, const char *provider);

	bool stonith_dispatch(stonith_t * st);

	stonith_key_value_t stonith_key_value_add(stonith_key_value_t kvp, const char *key,
	const char *value);
	void stonith_key_value_freeall(stonith_key_value_t * kvp, int keys, int values);

	/* Basic helpers that allows nodes to be fenced and the history to be
	* queried without mainloop or the caller understanding the full API
	*
	* At least one of nodeid and uname are required
	*/
	int stonith_api_kick(uint32_t nodeid, const char *uname, int timeout, bool off);
	time_t stonith_api_time(uint32_t nodeid, const char *uname, bool in_progress);

	/*
	* Helpers for using the above functions without install-time dependencies
	*
	* Usage:
	* #include <crm/stonith-ng.h>
	*
	* To turn a node off by corosync nodeid:
	* stonith_api_kick_helper(nodeid, 120, 1);
	*
	* To check the last fence date/time (also by nodeid):
	* last = stonith_api_time_helper(nodeid, 0);
	*
	* To check if fencing is in progress:
	* if(stonith_api_time_helper(nodeid, 1) > 0) { ... }
	*
	* eg.

	#include <stdio.h>
	#include <time.h>
	#include <crm/stonith-ng.h>
	int
	main(int argc, char ** argv)
	{
	int rc = 0;
	int nodeid = 102;

	rc = stonith_api_time_helper(nodeid, 0);
	printf("%d last fenced at %s\n", nodeid, ctime(rc));

	rc = stonith_api_kick_helper(nodeid, 120, 1);
	printf("%d fence result: %d\n", nodeid, rc);

	rc = stonith_api_time_helper(nodeid, 0);
	printf("%d last fenced at %s\n", nodeid, ctime(rc));

	return 0;
	}

	*/

	# define STONITH_LIBRARY "libstonithd.so.6"

	typedef int (st_api_kick_fn) (int nodeid, const char uname, int timeout, bool off);
	typedef time_t (st_api_time_fn) (int nodeid, const char uname, bool in_progress);

	static inline int
	stonith_api_kick_helper(uint32_t nodeid, int timeout, bool off)
	{
	static void *st_library = NULL;
	static st_api_kick_fn st_kick_fn;

	if (st_library == NULL) {
	st_library = dlopen(STONITH_LIBRARY, RTLD_LAZY);
	}
	if (st_library && st_kick_fn == NULL) {
	st_kick_fn = (st_api_kick_fn) dlsym(st_library, "stonith_api_kick");
	}
	if (st_kick_fn == NULL) {
	#ifdef ELIBACC
	return -ELIBACC;
	#else
	return -ENOSYS;
	#endif
	}

	return (*st_kick_fn) (nodeid, NULL, timeout, off);
	}

	static inline time_t
	stonith_api_time_helper(uint32_t nodeid, bool in_progress)
	{
	static void *st_library = NULL;
	static st_api_time_fn st_time_fn;

	if (st_library == NULL) {
	st_library = dlopen(STONITH_LIBRARY, RTLD_LAZY);
	}
	if (st_library && st_time_fn == NULL) {
	st_time_fn = (st_api_time_fn) dlsym(st_library, "stonith_api_time");
	}
	if (st_time_fn == NULL) {
	return 0;
	}

	return (*st_time_fn) (nodeid, NULL, in_progress);
	}

	#ifdef __cplusplus
	}
	#endif

	#endif
	diff --git a/lib/fencing/st_client.c b/lib/fencing/st_client.c
	index ac63800a19..16a4935c70 100644
	--- a/lib/fencing/st_client.c
	+++ b/lib/fencing/st_client.c
	@@ -1,2615 +1,2643 @@
	/*
	* Copyright 2004-2018 Andrew Beekhof <andrew@beekhof.net>
	*
	* This source code is licensed under the GNU Lesser General Public License
	* version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
	*/

	#include <crm_internal.h>
	#include <unistd.h>
	#include <stdlib.h>
	#include <stdio.h>
	#include <stdarg.h>
	#include <string.h>
	#include <ctype.h>

	#include <sys/stat.h>
	#include <sys/types.h>
	#include <sys/wait.h>

	#include <glib.h>
	#include <dirent.h>
	#include <libgen.h> /* Add it for compiling on OSX */

	#include <crm/crm.h>
	#include <crm/stonith-ng.h>
	#include <crm/fencing/internal.h>
	#include <crm/msg_xml.h>
	#include <crm/common/xml.h>

	#ifdef HAVE_STONITH_STONITH_H
	# include <stonith/stonith.h>
	# define LHA_STONITH_LIBRARY "libstonith.so.1"
	static void *lha_agents_lib = NULL;
	#endif

	#include <crm/common/mainloop.h>

	CRM_TRACE_INIT_DATA(stonith);

	struct stonith_action_s {
	/! user defined data /
	char *agent;
	char *action;
	char *victim;
	char *args;
	int timeout;
	int async;
	void *userdata;
	void (done_cb) (GPid pid, gint status, const char output, gpointer user_data);

	/! internal async track data /
	int fd_stdout;
	int fd_stderr;
	int last_timeout_signo;

	/! internal timing information /
	time_t initial_start_time;
	int tries;
	int remaining_timeout;
	guint timer_sigterm;
	guint timer_sigkill;
	int max_retries;

	/* device output data */
	GPid pid;
	int rc;
	char *output;
	char *error;
	};

	typedef struct stonith_private_s {
	char *token;
	crm_ipc_t *ipc;
	mainloop_io_t *source;
	GHashTable *stonith_op_callback_table;
	GList *notify_list;

	void (op_callback) (stonith_t st, stonith_callback_data_t * data);

	} stonith_private_t;

	typedef struct stonith_notify_client_s {
	const char *event;
	const char obj_id; / implement one day */
	const char obj_type; / implement one day */
	void (notify) (stonith_t st, stonith_event_t * e);

	} stonith_notify_client_t;

	typedef struct stonith_callback_client_s {
	void (callback) (stonith_t st, stonith_callback_data_t * data);
	const char *id;
	void *user_data;
	gboolean only_success;
	gboolean allow_timeout_updates;
	struct timer_rec_s *timer;

	} stonith_callback_client_t;

	struct notify_blob_s {
	stonith_t *stonith;
	xmlNode *xml;
	};

	struct timer_rec_s {
	int call_id;
	int timeout;
	guint ref;
	stonith_t *stonith;
	};

	typedef int (stonith_op_t) (const char , int, const char , xmlNode ,
	xmlNode , xmlNode , xmlNode , xmlNode );

	#if HAVE_STONITH_STONITH_H
	static const char META_TEMPLATE[] =
	"<?xml version=\"1.0\"?>\n"
	"<!DOCTYPE resource-agent SYSTEM \"ra-api-1.dtd\">\n"
	"<resource-agent name=\"%s\">\n"
	" <version>1.0</version>\n"
	" <longdesc lang=\"en\">\n"
	"%s\n"
	" </longdesc>\n"
	" <shortdesc lang=\"en\">%s</shortdesc>\n"
	"%s\n"
	" <actions>\n"
	" <action name=\"start\" timeout=\"20\" />\n"
	" <action name=\"stop\" timeout=\"15\" />\n"
	" <action name=\"status\" timeout=\"20\" />\n"
	" <action name=\"monitor\" timeout=\"20\" interval=\"3600\"/>\n"
	" <action name=\"meta-data\" timeout=\"15\" />\n"
	" </actions>\n"
	" <special tag=\"heartbeat\">\n"
	" <version>2.0</version>\n" " </special>\n" "</resource-agent>\n";
	#endif

	bool stonith_dispatch(stonith_t * st);
	xmlNode stonith_create_op(int call_id, const char token, const char op, xmlNode data,
	int call_options);
	int stonith_send_command(stonith_t * stonith, const char op, xmlNode data,
	xmlNode ** output_data, int call_options, int timeout);

	static void stonith_connection_destroy(gpointer user_data);
	static void stonith_send_notification(gpointer data, gpointer user_data);
	static int internal_stonith_action_execute(stonith_action_t * action);
	static void log_action(stonith_action_t *action, pid_t pid);

	/*!
	* \brief Get agent namespace by name
	*
	* \param[in] namespace_s Name of namespace as string
	*
	* \return Namespace as enum value
	*/
	enum stonith_namespace
	stonith_text2namespace(const char *namespace_s)
	{
	if ((namespace_s == NULL) \|\| !strcmp(namespace_s, "any")) {
	return st_namespace_any;

	} else if (!strcmp(namespace_s, "redhat")
	\|\| !strcmp(namespace_s, "stonith-ng")) {
	return st_namespace_rhcs;

	} else if (!strcmp(namespace_s, "internal")) {
	return st_namespace_internal;

	} else if (!strcmp(namespace_s, "heartbeat")) {
	return st_namespace_lha;
	}
	return st_namespace_invalid;
	}

	/*!
	* \brief Get agent namespace name
	*
	* \param[in] namespace Namespace as enum value
	*
	* \return Namespace name as string
	*/
	const char *
	stonith_namespace2text(enum stonith_namespace namespace)
	{
	switch (namespace) {
	case st_namespace_any: return "any";
	case st_namespace_rhcs: return "stonith-ng";
	case st_namespace_internal: return "internal";
	case st_namespace_lha: return "heartbeat";
	default: break;
	}
	return "unsupported";
	}

	+/*!
	+ * \brief Determine namespace of a fence agent
	+ *
	+ * \param[in] agent Fence agent type
	+ * \param[in] namespace_s Name of agent namespace as string, if known
	+ *
	+ * \return Namespace of specified agent, as enum value
	+ */
	+enum stonith_namespace
	+stonith_get_namespace(const char agent, const char namespace_s)
	+{
	+ if (safe_str_eq(namespace_s, "internal")) {
	+ return st_namespace_internal;
	+ }
	+
	+ if (is_redhat_agent(agent)) {
	+ return st_namespace_rhcs;
	+ }
	+
	+#if HAVE_STONITH_STONITH_H
	+ {
	+ Stonith *stonith_obj = NULL;
	+
	+ static gboolean need_init = TRUE;
	+ static Stonith (st_new_fn) (const char *) = NULL;
	+ static void (st_del_fn) (Stonith ) = NULL;
	+
	+ if (need_init) {
	+ need_init = FALSE;
	+ st_new_fn =
	+ find_library_function(&lha_agents_lib, LHA_STONITH_LIBRARY, "stonith_new", FALSE);
	+ st_del_fn =
	+ find_library_function(&lha_agents_lib, LHA_STONITH_LIBRARY, "stonith_delete",
	+ FALSE);
	+ }
	+
	+ if (lha_agents_lib && st_new_fn && st_del_fn) {
	+ stonith_obj = (*st_new_fn) (agent);
	+ if (stonith_obj) {
	+ (*st_del_fn) (stonith_obj);
	+ return st_namespace_lha;
	+ }
	+ }
	+ }
	+#endif
	+
	+ crm_err("Unknown fence agent: %s", agent);
	+ return st_namespace_invalid;
	+}
	+
	static void
	log_action(stonith_action_t *action, pid_t pid)
	{
	if (action->output) {
	/* Logging the whole string confuses syslog when the string is xml */
	char *prefix = crm_strdup_printf("%s[%d] stdout:", action->agent, pid);

	crm_log_output(LOG_TRACE, prefix, action->output);
	free(prefix);
	}

	if (action->error) {
	/* Logging the whole string confuses syslog when the string is xml */
	char *prefix = crm_strdup_printf("%s[%d] stderr:", action->agent, pid);

	crm_log_output(LOG_WARNING, prefix, action->error);
	free(prefix);
	}
	}

	static void
	stonith_connection_destroy(gpointer user_data)
	{
	stonith_t *stonith = user_data;
	stonith_private_t *native = NULL;
	struct notify_blob_s blob;

	crm_trace("Sending destroyed notification");
	blob.stonith = stonith;
	blob.xml = create_xml_node(NULL, "notify");

	native = stonith->st_private;
	native->ipc = NULL;
	native->source = NULL;

	stonith->state = stonith_disconnected;
	crm_xml_add(blob.xml, F_TYPE, T_STONITH_NOTIFY);
	crm_xml_add(blob.xml, F_SUBTYPE, T_STONITH_NOTIFY_DISCONNECT);

	g_list_foreach(native->notify_list, stonith_send_notification, &blob);
	free_xml(blob.xml);
	}

	xmlNode *
	create_device_registration_xml(const char id, const char namespace, const char *agent,
	stonith_key_value_t * params, const char *rsc_provides)
	{
	xmlNode *data = create_xml_node(NULL, F_STONITH_DEVICE);
	xmlNode *args = create_xml_node(data, XML_TAG_ATTRS);

	#if HAVE_STONITH_STONITH_H
	- namespace = get_stonith_provider(agent, namespace);
	- if (safe_str_eq(namespace, "heartbeat")) {
	+ if (stonith_get_namespace(agent, namespace) == st_namespace_lha) {
	+ namespace = stonith_text2namespace(st_namespace_lha);
	hash2field((gpointer) "plugin", (gpointer) agent, args);
	agent = "fence_legacy";
	}
	#endif

	crm_xml_add(data, XML_ATTR_ID, id);
	crm_xml_add(data, F_STONITH_ORIGIN, __FUNCTION__);
	crm_xml_add(data, "agent", agent);
	crm_xml_add(data, "namespace", namespace);
	if (rsc_provides) {
	crm_xml_add(data, "rsc_provides", rsc_provides);
	}

	for (; params; params = params->next) {
	hash2field((gpointer) params->key, (gpointer) params->value, args);
	}

	return data;
	}

	static int
	stonith_api_register_device(stonith_t * st, int call_options,
	const char id, const char namespace, const char *agent,
	stonith_key_value_t * params)
	{
	int rc = 0;
	xmlNode *data = NULL;

	data = create_device_registration_xml(id, namespace, agent, params, NULL);

	rc = stonith_send_command(st, STONITH_OP_DEVICE_ADD, data, NULL, call_options, 0);
	free_xml(data);

	return rc;
	}

	static int
	stonith_api_remove_device(stonith_t * st, int call_options, const char *name)
	{
	int rc = 0;
	xmlNode *data = NULL;

	data = create_xml_node(NULL, F_STONITH_DEVICE);
	crm_xml_add(data, F_STONITH_ORIGIN, __FUNCTION__);
	crm_xml_add(data, XML_ATTR_ID, name);
	rc = stonith_send_command(st, STONITH_OP_DEVICE_DEL, data, NULL, call_options, 0);
	free_xml(data);

	return rc;
	}

	static int
	stonith_api_remove_level_full(stonith_t *st, int options,
	const char node, const char pattern,
	const char attr, const char value, int level)
	{
	int rc = 0;
	xmlNode *data = NULL;

	CRM_CHECK(node \|\| pattern \|\| (attr && value), return -EINVAL);

	data = create_xml_node(NULL, XML_TAG_FENCING_LEVEL);
	crm_xml_add(data, F_STONITH_ORIGIN, __FUNCTION__);

	if (node) {
	crm_xml_add(data, XML_ATTR_STONITH_TARGET, node);

	} else if (pattern) {
	crm_xml_add(data, XML_ATTR_STONITH_TARGET_PATTERN, pattern);

	} else {
	crm_xml_add(data, XML_ATTR_STONITH_TARGET_ATTRIBUTE, attr);
	crm_xml_add(data, XML_ATTR_STONITH_TARGET_VALUE, value);
	}

	crm_xml_add_int(data, XML_ATTR_STONITH_INDEX, level);
	rc = stonith_send_command(st, STONITH_OP_LEVEL_DEL, data, NULL, options, 0);
	free_xml(data);

	return rc;
	}

	static int
	stonith_api_remove_level(stonith_t * st, int options, const char *node, int level)
	{
	return stonith_api_remove_level_full(st, options, node,
	NULL, NULL, NULL, level);
	}

	/*!
	* \internal
	* \brief Create XML for fence topology level registration request
	*
	* \param[in] node If not NULL, target level by this node name
	* \param[in] pattern If not NULL, target by node name using this regex
	* \param[in] attr If not NULL, target by this node attribute
	* \param[in] value If not NULL, target by this node attribute value
	* \param[in] level Index number of level to register
	* \param[in] device_list List of devices in level
	*
	* \return Newly allocated XML tree on success, NULL otherwise
	*
	* \note The caller should set only one of node, pattern or attr/value.
	*/
	xmlNode *
	create_level_registration_xml(const char node, const char pattern,
	const char attr, const char value,
	int level, stonith_key_value_t *device_list)
	{
	int len = 0;
	char *list = NULL;
	xmlNode *data;

	CRM_CHECK(node \|\| pattern \|\| (attr && value), return NULL);

	data = create_xml_node(NULL, XML_TAG_FENCING_LEVEL);
	CRM_CHECK(data, return NULL);

	crm_xml_add(data, F_STONITH_ORIGIN, __FUNCTION__);
	crm_xml_add_int(data, XML_ATTR_ID, level);
	crm_xml_add_int(data, XML_ATTR_STONITH_INDEX, level);

	if (node) {
	crm_xml_add(data, XML_ATTR_STONITH_TARGET, node);

	} else if (pattern) {
	crm_xml_add(data, XML_ATTR_STONITH_TARGET_PATTERN, pattern);

	} else {
	crm_xml_add(data, XML_ATTR_STONITH_TARGET_ATTRIBUTE, attr);
	crm_xml_add(data, XML_ATTR_STONITH_TARGET_VALUE, value);
	}

	for (; device_list; device_list = device_list->next) {

	int adding = strlen(device_list->value);
	if(list) {
	adding++; /* +1 space */
	}

	crm_trace("Adding %s (%dc) at offset %d", device_list->value, adding, len);
	list = realloc_safe(list, len + adding + 1); /* +1 EOS */
	if (list == NULL) {
	crm_perror(LOG_CRIT, "Could not create device list");
	free_xml(data);
	return NULL;
	}
	sprintf(list + len, "%s%s", len?",":"", device_list->value);
	len += adding;
	}

	crm_xml_add(data, XML_ATTR_STONITH_DEVICES, list);

	free(list);
	return data;
	}

	static int
	stonith_api_register_level_full(stonith_t * st, int options, const char *node,
	const char *pattern,
	const char attr, const char value,
	int level, stonith_key_value_t *device_list)
	{
	int rc = 0;
	xmlNode *data = create_level_registration_xml(node, pattern, attr, value,
	level, device_list);
	CRM_CHECK(data != NULL, return -EINVAL);

	rc = stonith_send_command(st, STONITH_OP_LEVEL_ADD, data, NULL, options, 0);
	free_xml(data);

	return rc;
	}

	static int
	stonith_api_register_level(stonith_t * st, int options, const char *node, int level,
	stonith_key_value_t * device_list)
	{
	return stonith_api_register_level_full(st, options, node, NULL, NULL, NULL,
	level, device_list);
	}

	static void
	append_arg(const char key, const char value, char **args)
	{
	int len = 3; /* =, \n, \0 */
	int last = 0;

	CRM_CHECK(key != NULL, return);
	CRM_CHECK(value != NULL, return);

	if (strstr(key, "pcmk_")) {
	return;
	} else if (strstr(key, CRM_META)) {
	return;
	} else if (safe_str_eq(key, "crm_feature_set")) {
	return;
	}

	len += strlen(key);
	len += strlen(value);
	if (*args != NULL) {
	last = strlen(*args);
	}

	args = realloc_safe(args, last + len);
	crm_trace("Appending: %s=%s", key, value);
	sprintf((*args) + last, "%s=%s\n", key, value);
	}

	static void
	append_config_arg(gpointer key, gpointer value, gpointer user_data)
	{
	/* The fencer will filter action out when it registers the device,
	* but ignore it here just in case any other library callers
	* fail to do so.
	*/
	if (safe_str_neq(key, STONITH_ATTR_ACTION_OP)) {
	append_arg(key, value, user_data);
	return;
	}
	}

	static char *
	make_args(const char agent, const char action, const char victim, uint32_t victim_nodeid, GHashTable device_args,
	GHashTable * port_map)
	{
	char buffer[512];
	char *arg_list = NULL;
	const char *value = NULL;

	CRM_CHECK(action != NULL, return NULL);

	snprintf(buffer, sizeof(buffer), "pcmk_%s_action", action);
	if (device_args) {
	value = g_hash_table_lookup(device_args, buffer);
	}
	if (value) {
	crm_info("Substituting action '%s' for requested operation '%s'", value, action);
	action = value;
	}

	append_arg(STONITH_ATTR_ACTION_OP, action, &arg_list);
	if (victim && device_args) {
	const char *alias = victim;
	const char *param = g_hash_table_lookup(device_args, STONITH_ATTR_HOSTARG);

	if (port_map && g_hash_table_lookup(port_map, victim)) {
	alias = g_hash_table_lookup(port_map, victim);
	}

	/* Always supply the node's name too:
	* https://fedorahosted.org/cluster/wiki/FenceAgentAPI
	*/
	append_arg("nodename", victim, &arg_list);
	if (victim_nodeid) {
	char nodeid_str[33] = { 0, };
	if (snprintf(nodeid_str, 33, "%u", (unsigned int)victim_nodeid)) {
	crm_info("For stonith action (%s) for victim %s, adding nodeid (%s) to parameters",
	action, victim, nodeid_str);
	append_arg("nodeid", nodeid_str, &arg_list);
	}
	}

	/* Check if we need to supply the victim in any other form */
	if(safe_str_eq(agent, "fence_legacy")) {
	value = agent;

	} else if (param == NULL) {
	param = "port";
	value = g_hash_table_lookup(device_args, param);

	} else if (safe_str_eq(param, "none")) {
	value = param; /* Nothing more to do */

	} else {
	value = g_hash_table_lookup(device_args, param);
	}

	/* Don't overwrite explictly set values for $param */
	if (value == NULL \|\| safe_str_eq(value, "dynamic")) {
	crm_debug("Performing %s action for node '%s' as '%s=%s'", action, victim, param,
	alias);
	append_arg(param, alias, &arg_list);
	}
	}

	if (device_args) {
	g_hash_table_foreach(device_args, append_config_arg, &arg_list);
	}

	return arg_list;
	}

	static gboolean
	st_child_term(gpointer data)
	{
	int rc = 0;
	stonith_action_t *track = data;

	crm_info("Child %d timed out, sending SIGTERM", track->pid);
	track->timer_sigterm = 0;
	track->last_timeout_signo = SIGTERM;
	rc = kill(-track->pid, SIGTERM);
	if (rc < 0) {
	crm_perror(LOG_ERR, "Couldn't send SIGTERM to %d", track->pid);
	}
	return FALSE;
	}

	static gboolean
	st_child_kill(gpointer data)
	{
	int rc = 0;
	stonith_action_t *track = data;

	crm_info("Child %d timed out, sending SIGKILL", track->pid);
	track->timer_sigkill = 0;
	track->last_timeout_signo = SIGKILL;
	rc = kill(-track->pid, SIGKILL);
	if (rc < 0) {
	crm_perror(LOG_ERR, "Couldn't send SIGKILL to %d", track->pid);
	}
	return FALSE;
	}

	static void
	stonith_action_clear_tracking_data(stonith_action_t * action)
	{
	if (action->timer_sigterm > 0) {
	g_source_remove(action->timer_sigterm);
	action->timer_sigterm = 0;
	}
	if (action->timer_sigkill > 0) {
	g_source_remove(action->timer_sigkill);
	action->timer_sigkill = 0;
	}
	if (action->fd_stdout) {
	close(action->fd_stdout);
	action->fd_stdout = 0;
	}
	if (action->fd_stderr) {
	close(action->fd_stderr);
	action->fd_stderr = 0;
	}
	free(action->output);
	action->output = NULL;
	free(action->error);
	action->error = NULL;
	action->rc = 0;
	action->pid = 0;
	action->last_timeout_signo = 0;
	}

	static void
	stonith_action_destroy(stonith_action_t * action)
	{
	stonith_action_clear_tracking_data(action);
	free(action->agent);
	free(action->args);
	free(action->action);
	free(action->victim);
	free(action);
	}

	#define FAILURE_MAX_RETRIES 2
	stonith_action_t *
	stonith_action_create(const char *agent,
	const char *_action,
	const char *victim,
	uint32_t victim_nodeid,
	int timeout, GHashTable * device_args, GHashTable * port_map)
	{
	stonith_action_t *action;

	action = calloc(1, sizeof(stonith_action_t));
	crm_debug("Initiating action %s for agent %s (target=%s)", _action, agent, victim);
	action->args = make_args(agent, _action, victim, victim_nodeid, device_args, port_map);
	action->agent = strdup(agent);
	action->action = strdup(_action);
	if (victim) {
	action->victim = strdup(victim);
	}
	action->timeout = action->remaining_timeout = timeout;
	action->max_retries = FAILURE_MAX_RETRIES;

	if (device_args) {
	char buffer[512];
	const char *value = NULL;

	snprintf(buffer, sizeof(buffer), "pcmk_%s_retries", _action);
	value = g_hash_table_lookup(device_args, buffer);

	if (value) {
	action->max_retries = atoi(value);
	}
	}

	return action;
	}

	#define READ_MAX 500
	static char *
	read_output(int fd)
	{
	char buffer[READ_MAX];
	char *output = NULL;
	int len = 0;
	int more = 0;

	if (!fd) {
	return NULL;
	}

	do {
	errno = 0;
	memset(&buffer, 0, READ_MAX);
	more = read(fd, buffer, READ_MAX - 1);

	if (more > 0) {
	buffer[more] = 0; /* Make sure it's nul-terminated for logging
	* 'more' is always less than our buffer size
	*/
	output = realloc_safe(output, len + more + 1);
	snprintf(output + len, more + 1, "%s", buffer);
	len += more;
	}

	} while (more == (READ_MAX - 1) \|\| (more < 0 && errno == EINTR));

	return output;
	}

	static gboolean
	update_remaining_timeout(stonith_action_t * action)
	{
	int diff = time(NULL) - action->initial_start_time;

	if (action->tries >= action->max_retries) {
	crm_info("Attempted to execute agent %s (%s) the maximum number of times (%d) allowed",
	action->agent, action->action, action->max_retries);
	action->remaining_timeout = 0;
	} else if ((action->rc != -ETIME) && diff < (action->timeout * 0.7)) {
	/* only set remaining timeout period if there is 30%
	* or greater of the original timeout period left */
	action->remaining_timeout = action->timeout - diff;
	} else {
	action->remaining_timeout = 0;
	}
	return action->remaining_timeout ? TRUE : FALSE;
	}

	static void
	stonith_action_async_done(mainloop_child_t * p, pid_t pid, int core, int signo, int exitcode)
	{
	stonith_action_t *action = mainloop_child_userdata(p);

	if (action->timer_sigterm > 0) {
	g_source_remove(action->timer_sigterm);
	action->timer_sigterm = 0;
	}
	if (action->timer_sigkill > 0) {
	g_source_remove(action->timer_sigkill);
	action->timer_sigkill = 0;
	}

	action->output = read_output(action->fd_stdout);
	action->error = read_output(action->fd_stderr);

	if (action->last_timeout_signo) {
	action->rc = -ETIME;
	crm_notice("Child process %d performing action '%s' timed out with signal %d",
	pid, action->action, action->last_timeout_signo);

	} else if (signo) {
	action->rc = -ECONNABORTED;
	crm_notice("Child process %d performing action '%s' timed out with signal %d",
	pid, action->action, signo);

	} else {
	crm_debug("Child process %d performing action '%s' exited with rc %d",
	pid, action->action, exitcode);
	if (exitcode > 0) {
	/* Try to provide a useful error code based on the fence agent's
	* error output.
	*/
	if (action->error == NULL) {
	exitcode = -ENODATA;

	} else if (strstr(action->error, "imed out")) {
	/* Some agents have their own internal timeouts */
	exitcode = -ETIMEDOUT;

	} else if (strstr(action->error, "Unrecognised action")) {
	exitcode = -EOPNOTSUPP;

	} else {
	exitcode = -pcmk_err_generic;
	}
	}
	action->rc = exitcode;
	}

	log_action(action, pid);

	if (action->rc != pcmk_ok && update_remaining_timeout(action)) {
	int rc = internal_stonith_action_execute(action);
	if (rc == pcmk_ok) {
	return;
	}
	}

	if (action->done_cb) {
	action->done_cb(pid, action->rc, action->output, action->userdata);
	}

	stonith_action_destroy(action);
	}

	static int
	internal_stonith_action_execute(stonith_action_t * action)
	{
	int pid, status = 0, len, rc = -EPROTO;
	int ret;
	int total = 0;
	int p_read_fd, p_write_fd; /* parent read/write file descriptors */
	int c_read_fd, c_write_fd; /* child read/write file descriptors */
	int c_stderr_fd, p_stderr_fd; /* parent/child side file descriptors for stderr */
	int fd1[2];
	int fd2[2];
	int fd3[2];
	int is_retry = 0;

	/* clear any previous tracking data */
	stonith_action_clear_tracking_data(action);

	if (!action->tries) {
	action->initial_start_time = time(NULL);
	}
	action->tries++;

	if (action->tries > 1) {
	crm_info("Attempt %d to execute %s (%s). remaining timeout is %d",
	action->tries, action->agent, action->action, action->remaining_timeout);
	is_retry = 1;
	}

	c_read_fd = c_write_fd = p_read_fd = p_write_fd = c_stderr_fd = p_stderr_fd = -1;

	if (action->args == NULL \|\| action->agent == NULL)
	goto fail;
	len = strlen(action->args);

	if (pipe(fd1))
	goto fail;
	p_read_fd = fd1[0];
	c_write_fd = fd1[1];

	if (pipe(fd2))
	goto fail;
	c_read_fd = fd2[0];
	p_write_fd = fd2[1];

	if (pipe(fd3))
	goto fail;
	p_stderr_fd = fd3[0];
	c_stderr_fd = fd3[1];

	crm_debug("forking");
	pid = fork();
	if (pid < 0) {
	rc = -ECHILD;
	goto fail;
	}

	if (!pid) {
	/* child */
	setpgid(0, 0);

	close(1);
	/* coverity[leaked_handle] False positive */
	if (dup(c_write_fd) < 0)
	goto fail;
	close(2);
	/* coverity[leaked_handle] False positive */
	if (dup(c_stderr_fd) < 0)
	goto fail;
	close(0);
	/* coverity[leaked_handle] False positive */
	if (dup(c_read_fd) < 0)
	goto fail;

	/* keep c_stderr_fd open so parent can report all errors. */
	/* keep c_write_fd open so hostlist can be sent to parent. */
	close(c_read_fd);
	close(p_read_fd);
	close(p_write_fd);
	close(p_stderr_fd);

	/* keep retries from executing out of control */
	if (is_retry) {
	sleep(1);
	}
	execlp(action->agent, action->agent, NULL);
	exit(CRM_EX_ERROR);
	}

	/* parent */
	action->pid = pid;
	ret = crm_set_nonblocking(p_read_fd);
	if (ret < 0) {
	crm_notice("Could not set output of %s to be non-blocking: %s "
	CRM_XS " rc=%d",
	action->agent, pcmk_strerror(rc), rc);
	}
	ret = crm_set_nonblocking(p_stderr_fd);
	if (ret < 0) {
	crm_notice("Could not set error output of %s to be non-blocking: %s "
	CRM_XS " rc=%d",
	action->agent, pcmk_strerror(rc), rc);
	}

	do {
	crm_debug("sending args");
	ret = write(p_write_fd, action->args + total, len - total);
	if (ret > 0) {
	total += ret;
	}

	} while (errno == EINTR && total < len);

	if (total != len) {
	crm_perror(LOG_ERR, "Sent %d not %d bytes", total, len);
	if (ret >= 0) {
	rc = -ECOMM;
	}
	goto fail;
	}

	close(p_write_fd); p_write_fd = -1;

	/* async */
	if (action->async) {
	action->fd_stdout = p_read_fd;
	action->fd_stderr = p_stderr_fd;
	mainloop_child_add(pid, 0/* Move the timeout here? */, action->action, action, stonith_action_async_done);
	crm_trace("Op: %s on %s, pid: %d, timeout: %ds", action->action, action->agent, pid,
	action->remaining_timeout);
	action->last_timeout_signo = 0;
	if (action->remaining_timeout) {
	action->timer_sigterm =
	g_timeout_add(1000 * action->remaining_timeout, st_child_term, action);
	action->timer_sigkill =
	g_timeout_add(1000 * (action->remaining_timeout + 5), st_child_kill, action);
	} else {
	crm_err("No timeout set for stonith operation %s with device %s",
	action->action, action->agent);
	}

	close(c_write_fd);
	close(c_read_fd);
	close(c_stderr_fd);
	return 0;

	} else {
	/* sync */
	int timeout = action->remaining_timeout + 1;
	pid_t p = 0;

	while (action->remaining_timeout < 0 \|\| timeout > 0) {
	p = waitpid(pid, &status, WNOHANG);
	if (p > 0) {
	break;
	}
	sleep(1);
	timeout--;
	}

	if (timeout == 0) {
	int killrc = kill(-pid, SIGKILL);

	if (killrc && errno != ESRCH) {
	crm_err("kill(%d, KILL) failed: %s (%d)", pid, pcmk_strerror(errno), errno);
	}
	/*
	* From sigprocmask(2):
	* It is not possible to block SIGKILL or SIGSTOP. Attempts to do so are silently ignored.
	*
	* This makes it safe to skip WNOHANG here
	*/
	p = waitpid(pid, &status, 0);
	}

	if (p <= 0) {
	crm_perror(LOG_ERR, "waitpid(%d)", pid);

	} else if (p != pid) {
	crm_err("Waited for %d, got %d", pid, p);
	}

	action->output = read_output(p_read_fd);
	action->error = read_output(p_stderr_fd);

	action->rc = -ECONNABORTED;

	log_action(action, pid);

	rc = action->rc;
	if (timeout == 0) {
	action->rc = -ETIME;
	} else if (WIFEXITED(status)) {
	crm_debug("result = %d", WEXITSTATUS(status));
	action->rc = -WEXITSTATUS(status);
	rc = 0;

	} else if (WIFSIGNALED(status)) {
	crm_err("call %s for %s exited due to signal %d", action->action, action->agent,
	WTERMSIG(status));

	} else {
	crm_err("call %s for %s returned unexpected status %#x",
	action->action, action->agent, status);
	}
	}

	fail:

	if (p_read_fd >= 0) {
	close(p_read_fd);
	}
	if (p_write_fd >= 0) {
	close(p_write_fd);
	}
	if (p_stderr_fd >= 0) {
	close(p_stderr_fd);
	}

	if (c_read_fd >= 0) {
	close(c_read_fd);
	}
	if (c_write_fd >= 0) {
	close(c_write_fd);
	}
	if (c_stderr_fd >= 0) {
	close(c_stderr_fd);
	}

	return rc;
	}

	GPid
	stonith_action_execute_async(stonith_action_t * action,
	void *userdata,
	void (done) (GPid pid, int rc, const char output,
	gpointer user_data))
	{
	int rc = 0;

	if (!action) {
	return -1;
	}

	action->userdata = userdata;
	action->done_cb = done;
	action->async = 1;

	rc = internal_stonith_action_execute(action);

	return rc < 0 ? rc : action->pid;
	}

	int
	stonith_action_execute(stonith_action_t * action, int agent_result, char *output)
	{
	int rc = 0;

	if (!action) {
	return -1;
	}

	do {
	rc = internal_stonith_action_execute(action);
	if (rc == pcmk_ok) {
	/* success! */
	break;
	}
	/* keep retrying while we have time left */
	} while (update_remaining_timeout(action));

	if (rc) {
	/* error */
	return rc;
	}

	if (agent_result) {
	*agent_result = action->rc;
	}
	if (output) {
	*output = action->output;
	action->output = NULL; /* handed it off, do not free */
	}

	stonith_action_destroy(action);
	return rc;
	}

	static int
	stonith_api_device_list(stonith_t * stonith, int call_options, const char *namespace,
	stonith_key_value_t ** devices, int timeout)
	{
	int count = 0;
	+ enum stonith_namespace ns = stonith_text2namespace(namespace);

	if (devices == NULL) {
	crm_err("Parameter error: stonith_api_device_list");
	return -EFAULT;
	}

	/* Include Heartbeat agents */
	- if (namespace == NULL \|\| safe_str_eq("heartbeat", namespace)) {
	+ if ((ns == st_namespace_any) \|\| (ns == st_namespace_lha)) {
	#if HAVE_STONITH_STONITH_H
	static gboolean need_init = TRUE;

	char **entry = NULL;
	char **type_list = NULL;
	static char *(type_list_fn) (void) = NULL;
	static void (type_free_fn) (char *) = NULL;

	if (need_init) {
	need_init = FALSE;
	type_list_fn =
	find_library_function(&lha_agents_lib, LHA_STONITH_LIBRARY, "stonith_types", FALSE);
	type_free_fn =
	find_library_function(&lha_agents_lib, LHA_STONITH_LIBRARY, "stonith_free_hostlist",
	FALSE);
	}

	if (type_list_fn) {
	type_list = (*type_list_fn) ();
	}

	for (entry = type_list; entry != NULL && *entry; ++entry) {
	crm_trace("Added: %s", *entry);
	devices = stonith_key_value_add(devices, NULL, *entry);
	count++;
	}
	if (type_list && type_free_fn) {
	(*type_free_fn) (type_list);
	}
	#else
	if (namespace != NULL) {
	return -EINVAL; /* Heartbeat agents not supported */
	}
	#endif
	}

	/* Include Red Hat agents, basically: ls -1 @sbin_dir@/fence_* */
	- if (namespace == NULL \|\| safe_str_eq("redhat", namespace)) {
	+ if ((ns == st_namespace_any) \|\| (ns == st_namespace_rhcs)) {
	struct dirent **namelist;
	int file_num = scandir(RH_STONITH_DIR, &namelist, 0, alphasort);

	if (file_num > 0) {
	struct stat prop;
	char buffer[FILENAME_MAX + 1];

	while (file_num--) {
	if ('.' == namelist[file_num]->d_name[0]) {
	free(namelist[file_num]);
	continue;

	} else if (!crm_starts_with(namelist[file_num]->d_name,
	RH_STONITH_PREFIX)) {
	free(namelist[file_num]);
	continue;
	}

	snprintf(buffer, FILENAME_MAX, "%s/%s", RH_STONITH_DIR, namelist[file_num]->d_name);
	if (stat(buffer, &prop) == 0 && S_ISREG(prop.st_mode)) {
	devices = stonith_key_value_add(devices, NULL, namelist[file_num]->d_name);
	count++;
	}

	free(namelist[file_num]);
	}
	free(namelist);
	}
	}

	return count;
	}

	#if HAVE_STONITH_STONITH_H
	static inline char *
	strdup_null(const char *val)
	{
	if (val) {
	return strdup(val);
	}
	return NULL;
	}

	static void
	stonith_plugin(int priority, const char *fmt, ...) __attribute__((__format__ (__printf__, 2, 3)));

	static void
	stonith_plugin(int priority, const char *format, ...)
	{
	int err = errno;

	va_list ap;
	int len = 0;
	char *string = NULL;

	va_start(ap, format);

	len = vasprintf (&string, format, ap);
	va_end(ap);
	CRM_ASSERT(len > 0);

	do_crm_log_alias(priority, __FILE__, __func__, __LINE__, "%s", string);

	free(string);
	errno = err;
	}
	#endif

	static int
	stonith_api_device_metadata(stonith_t * stonith, int call_options, const char *agent,
	const char namespace, char *output, int timeout)
	{
	int rc = 0;
	char *buffer = NULL;
	- const char *provider = get_stonith_provider(agent, namespace);
	+ enum stonith_namespace ns = stonith_get_namespace(agent, namespace);

	- crm_trace("looking up %s/%s metadata", agent, provider);
	+ crm_trace("Looking up metadata for %s agent %s",
	+ stonith_namespace2text(ns), agent);

	/* By having this in a library, we can access it from stonith_admin
	* when neither the executor nor the fencer are running, which is
	* important for higher-level tools.
	*/

	- if (safe_str_eq(provider, "redhat")) {
	- stonith_action_t *action = stonith_action_create(agent, "metadata", NULL, 0, 5, NULL, NULL);
	- int exec_rc = stonith_action_execute(action, &rc, &buffer);
	- xmlNode *xml = NULL;
	- xmlNode *actions = NULL;
	- xmlXPathObject *xpathObj = NULL;
	-
	- if (exec_rc < 0 \|\| rc != 0 \|\| buffer == NULL) {
	- crm_warn("Could not obtain metadata for %s", agent);
	- crm_debug("Query failed: %d %d: %s", exec_rc, rc, crm_str(buffer));
	- free(buffer); /* Just in case */
	- return -EINVAL;
	- }
	+ switch (ns) {
	+ case st_namespace_rhcs:
	+ {
	+ stonith_action_t *action = stonith_action_create(agent, "metadata", NULL, 0, 5, NULL, NULL);
	+ int exec_rc = stonith_action_execute(action, &rc, &buffer);
	+ xmlNode *xml = NULL;
	+ xmlNode *actions = NULL;
	+ xmlXPathObject *xpathObj = NULL;
	+
	+ if (exec_rc < 0 \|\| rc != 0 \|\| buffer == NULL) {
	+ crm_warn("Could not obtain metadata for %s", agent);
	+ crm_debug("Query failed: %d %d: %s", exec_rc, rc, crm_str(buffer));
	+ free(buffer); /* Just in case */
	+ return -EINVAL;
	+ }

	- xml = string2xml(buffer);
	- if(xml == NULL) {
	- crm_warn("Metadata for %s is invalid", agent);
	- free(buffer);
	- return -EINVAL;
	- }
	+ xml = string2xml(buffer);
	+ if(xml == NULL) {
	+ crm_warn("Metadata for %s is invalid", agent);
	+ free(buffer);
	+ return -EINVAL;
	+ }

	- xpathObj = xpath_search(xml, "//actions");
	- if (numXpathResults(xpathObj) > 0) {
	- actions = getXpathResult(xpathObj, 0);
	- }
	+ xpathObj = xpath_search(xml, "//actions");
	+ if (numXpathResults(xpathObj) > 0) {
	+ actions = getXpathResult(xpathObj, 0);
	+ }

	- freeXpathObject(xpathObj);
	+ freeXpathObject(xpathObj);

	- /* Now fudge the metadata so that the start/stop actions appear */
	- xpathObj = xpath_search(xml, "//action[@name='stop']");
	- if (numXpathResults(xpathObj) <= 0) {
	- xmlNode *tmp = NULL;
	+ /* Now fudge the metadata so that the start/stop actions appear */
	+ xpathObj = xpath_search(xml, "//action[@name='stop']");
	+ if (numXpathResults(xpathObj) <= 0) {
	+ xmlNode *tmp = NULL;

	- tmp = create_xml_node(actions, "action");
	- crm_xml_add(tmp, "name", "stop");
	- crm_xml_add(tmp, "timeout", CRM_DEFAULT_OP_TIMEOUT_S);
	+ tmp = create_xml_node(actions, "action");
	+ crm_xml_add(tmp, "name", "stop");
	+ crm_xml_add(tmp, "timeout", CRM_DEFAULT_OP_TIMEOUT_S);

	- tmp = create_xml_node(actions, "action");
	- crm_xml_add(tmp, "name", "start");
	- crm_xml_add(tmp, "timeout", CRM_DEFAULT_OP_TIMEOUT_S);
	- }
	+ tmp = create_xml_node(actions, "action");
	+ crm_xml_add(tmp, "name", "start");
	+ crm_xml_add(tmp, "timeout", CRM_DEFAULT_OP_TIMEOUT_S);
	+ }

	- freeXpathObject(xpathObj);
	+ freeXpathObject(xpathObj);

	- /* Now fudge the metadata so that the port isn't required in the configuration */
	- xpathObj = xpath_search(xml, "//parameter[@name='port']");
	- if (numXpathResults(xpathObj) > 0) {
	- /* We'll fill this in */
	- xmlNode *tmp = getXpathResult(xpathObj, 0);
	+ /* Now fudge the metadata so that the port isn't required in the configuration */
	+ xpathObj = xpath_search(xml, "//parameter[@name='port']");
	+ if (numXpathResults(xpathObj) > 0) {
	+ /* We'll fill this in */
	+ xmlNode *tmp = getXpathResult(xpathObj, 0);

	- crm_xml_add(tmp, "required", "0");
	- }
	+ crm_xml_add(tmp, "required", "0");
	+ }

	- freeXpathObject(xpathObj);
	- free(buffer);
	- buffer = dump_xml_formatted_with_text(xml);
	- free_xml(xml);
	- if (!buffer) {
	- return -EINVAL;
	- }
	+ freeXpathObject(xpathObj);
	+ free(buffer);
	+ buffer = dump_xml_formatted_with_text(xml);
	+ free_xml(xml);
	+ if (!buffer) {
	+ return -EINVAL;
	+ }
	+ }
	+ break;

	- } else {
	+ case st_namespace_lha:
	#if !HAVE_STONITH_STONITH_H
	- return -EINVAL; /* Heartbeat agents not supported */
	+ return -EINVAL; /* Heartbeat agents not supported */
	#else
	- static const char *no_parameter_info = "<!-- no value -->";
	-
	- Stonith *stonith_obj = NULL;
	-
	- static gboolean need_init = TRUE;
	- static Stonith (st_new_fn) (const char *) = NULL;
	- static const char (st_info_fn) (Stonith *, int) = NULL;
	- static void (st_del_fn) (Stonith ) = NULL;
	- static void (st_log_fn) (Stonith , PILLogFun) = NULL;
	-
	- if (need_init) {
	- need_init = FALSE;
	- st_new_fn =
	- find_library_function(&lha_agents_lib, LHA_STONITH_LIBRARY, "stonith_new", FALSE);
	- st_del_fn =
	- find_library_function(&lha_agents_lib, LHA_STONITH_LIBRARY, "stonith_delete",
	- FALSE);
	- st_log_fn =
	- find_library_function(&lha_agents_lib, LHA_STONITH_LIBRARY, "stonith_set_log",
	- FALSE);
	- st_info_fn =
	- find_library_function(&lha_agents_lib, LHA_STONITH_LIBRARY, "stonith_get_info",
	- FALSE);
	- }
	-
	- if (lha_agents_lib && st_new_fn && st_del_fn && st_info_fn && st_log_fn) {
	- char *xml_meta_longdesc = NULL;
	- char *xml_meta_shortdesc = NULL;
	-
	- char *meta_param = NULL;
	- char *meta_longdesc = NULL;
	- char *meta_shortdesc = NULL;
	-
	- stonith_obj = (*st_new_fn) (agent);
	- if (stonith_obj) {
	- (*st_log_fn) (stonith_obj, (PILLogFun) & stonith_plugin);
	- meta_longdesc = strdup_null((*st_info_fn) (stonith_obj, ST_DEVICEDESCR));
	- if (meta_longdesc == NULL) {
	- crm_warn("no long description in %s's metadata.", agent);
	- meta_longdesc = strdup(no_parameter_info);
	- }
	-
	- meta_shortdesc = strdup_null((*st_info_fn) (stonith_obj, ST_DEVICEID));
	- if (meta_shortdesc == NULL) {
	- crm_warn("no short description in %s's metadata.", agent);
	- meta_shortdesc = strdup(no_parameter_info);
	+ {
	+ static const char *no_parameter_info = "<!-- no value -->";
	+
	+ Stonith *stonith_obj = NULL;
	+
	+ static gboolean need_init = TRUE;
	+ static Stonith (st_new_fn) (const char *) = NULL;
	+ static const char (st_info_fn) (Stonith *, int) = NULL;
	+ static void (st_del_fn) (Stonith ) = NULL;
	+ static void (st_log_fn) (Stonith , PILLogFun) = NULL;
	+
	+ if (need_init) {
	+ need_init = FALSE;
	+ st_new_fn =
	+ find_library_function(&lha_agents_lib, LHA_STONITH_LIBRARY, "stonith_new", FALSE);
	+ st_del_fn =
	+ find_library_function(&lha_agents_lib, LHA_STONITH_LIBRARY, "stonith_delete",
	+ FALSE);
	+ st_log_fn =
	+ find_library_function(&lha_agents_lib, LHA_STONITH_LIBRARY, "stonith_set_log",
	+ FALSE);
	+ st_info_fn =
	+ find_library_function(&lha_agents_lib, LHA_STONITH_LIBRARY, "stonith_get_info",
	+ FALSE);
	}

	- meta_param = strdup_null((*st_info_fn) (stonith_obj, ST_CONF_XML));
	- if (meta_param == NULL) {
	- crm_warn("no list of parameters in %s's metadata.", agent);
	- meta_param = strdup(no_parameter_info);
	+ if (lha_agents_lib && st_new_fn && st_del_fn && st_info_fn && st_log_fn) {
	+ char *xml_meta_longdesc = NULL;
	+ char *xml_meta_shortdesc = NULL;
	+
	+ char *meta_param = NULL;
	+ char *meta_longdesc = NULL;
	+ char *meta_shortdesc = NULL;
	+
	+ stonith_obj = (*st_new_fn) (agent);
	+ if (stonith_obj) {
	+ (*st_log_fn) (stonith_obj, (PILLogFun) & stonith_plugin);
	+ meta_longdesc = strdup_null((*st_info_fn) (stonith_obj, ST_DEVICEDESCR));
	+ if (meta_longdesc == NULL) {
	+ crm_warn("no long description in %s's metadata.", agent);
	+ meta_longdesc = strdup(no_parameter_info);
	+ }
	+
	+ meta_shortdesc = strdup_null((*st_info_fn) (stonith_obj, ST_DEVICEID));
	+ if (meta_shortdesc == NULL) {
	+ crm_warn("no short description in %s's metadata.", agent);
	+ meta_shortdesc = strdup(no_parameter_info);
	+ }
	+
	+ meta_param = strdup_null((*st_info_fn) (stonith_obj, ST_CONF_XML));
	+ if (meta_param == NULL) {
	+ crm_warn("no list of parameters in %s's metadata.", agent);
	+ meta_param = strdup(no_parameter_info);
	+ }
	+ (*st_del_fn) (stonith_obj);
	+ } else {
	+ return -EINVAL; /* Heartbeat agents not supported */
	+ }
	+
	+ xml_meta_longdesc =
	+ (char )xmlEncodeEntitiesReentrant(NULL, (const unsigned char )meta_longdesc);
	+ xml_meta_shortdesc =
	+ (char )xmlEncodeEntitiesReentrant(NULL, (const unsigned char )meta_shortdesc);
	+
	+ buffer = crm_strdup_printf(META_TEMPLATE, agent, xml_meta_longdesc,
	+ xml_meta_shortdesc, meta_param);
	+
	+ xmlFree(xml_meta_longdesc);
	+ xmlFree(xml_meta_shortdesc);
	+
	+ free(meta_shortdesc);
	+ free(meta_longdesc);
	+ free(meta_param);
	}
	- (*st_del_fn) (stonith_obj);
	- } else {
	- return -EINVAL; /* Heartbeat agents not supported */
	}
	-
	- xml_meta_longdesc =
	- (char )xmlEncodeEntitiesReentrant(NULL, (const unsigned char )meta_longdesc);
	- xml_meta_shortdesc =
	- (char )xmlEncodeEntitiesReentrant(NULL, (const unsigned char )meta_shortdesc);
	-
	- buffer = crm_strdup_printf(META_TEMPLATE, agent, xml_meta_longdesc,
	- xml_meta_shortdesc, meta_param);
	-
	- xmlFree(xml_meta_longdesc);
	- xmlFree(xml_meta_shortdesc);
	-
	- free(meta_shortdesc);
	- free(meta_longdesc);
	- free(meta_param);
	- }
	+ break;
	#endif
	+ default:
	+ // Do not provide meta-data for internal or unknown agents
	+ break;
	}

	if (output) {
	*output = buffer;

	} else {
	free(buffer);
	}

	return rc;
	}

	static int
	stonith_api_query(stonith_t * stonith, int call_options, const char *target,
	stonith_key_value_t ** devices, int timeout)
	{
	int rc = 0, lpc = 0, max = 0;

	xmlNode *data = NULL;
	xmlNode *output = NULL;
	xmlXPathObjectPtr xpathObj = NULL;

	CRM_CHECK(devices != NULL, return -EINVAL);

	data = create_xml_node(NULL, F_STONITH_DEVICE);
	crm_xml_add(data, F_STONITH_ORIGIN, __FUNCTION__);
	crm_xml_add(data, F_STONITH_TARGET, target);
	crm_xml_add(data, F_STONITH_ACTION, "off");
	rc = stonith_send_command(stonith, STONITH_OP_QUERY, data, &output, call_options, timeout);

	if (rc < 0) {
	return rc;
	}

	xpathObj = xpath_search(output, "//@agent");
	if (xpathObj) {
	max = numXpathResults(xpathObj);

	for (lpc = 0; lpc < max; lpc++) {
	xmlNode *match = getXpathResult(xpathObj, lpc);

	CRM_LOG_ASSERT(match != NULL);
	if(match != NULL) {
	xmlChar *match_path = xmlGetNodePath(match);

	crm_info("%s[%d] = %s", "//@agent", lpc, match_path);
	free(match_path);
	devices = stonith_key_value_add(devices, NULL, crm_element_value(match, XML_ATTR_ID));
	}
	}

	freeXpathObject(xpathObj);
	}

	free_xml(output);
	free_xml(data);
	return max;
	}

	static int
	stonith_api_call(stonith_t * stonith,
	int call_options,
	const char *id,
	const char action, const char victim, int timeout, xmlNode ** output)
	{
	int rc = 0;
	xmlNode *data = NULL;

	data = create_xml_node(NULL, F_STONITH_DEVICE);
	crm_xml_add(data, F_STONITH_ORIGIN, __FUNCTION__);
	crm_xml_add(data, F_STONITH_DEVICE, id);
	crm_xml_add(data, F_STONITH_ACTION, action);
	crm_xml_add(data, F_STONITH_TARGET, victim);

	rc = stonith_send_command(stonith, STONITH_OP_EXEC, data, output, call_options, timeout);
	free_xml(data);

	return rc;
	}

	static int
	stonith_api_list(stonith_t * stonith, int call_options, const char id, char *list_info,
	int timeout)
	{
	int rc;
	xmlNode *output = NULL;

	rc = stonith_api_call(stonith, call_options, id, "list", NULL, timeout, &output);

	if (output && list_info) {
	const char *list_str;

	list_str = crm_element_value(output, "st_output");

	if (list_str) {
	*list_info = strdup(list_str);
	}
	}

	if (output) {
	free_xml(output);
	}

	return rc;
	}

	static int
	stonith_api_monitor(stonith_t * stonith, int call_options, const char *id, int timeout)
	{
	return stonith_api_call(stonith, call_options, id, "monitor", NULL, timeout, NULL);
	}

	static int
	stonith_api_status(stonith_t * stonith, int call_options, const char id, const char port,
	int timeout)
	{
	return stonith_api_call(stonith, call_options, id, "status", port, timeout, NULL);
	}

	static int
	stonith_api_fence(stonith_t * stonith, int call_options, const char node, const char action,
	int timeout, int tolerance)
	{
	int rc = 0;
	xmlNode *data = NULL;

	data = create_xml_node(NULL, __FUNCTION__);
	crm_xml_add(data, F_STONITH_TARGET, node);
	crm_xml_add(data, F_STONITH_ACTION, action);
	crm_xml_add_int(data, F_STONITH_TIMEOUT, timeout);
	crm_xml_add_int(data, F_STONITH_TOLERANCE, tolerance);

	rc = stonith_send_command(stonith, STONITH_OP_FENCE, data, NULL, call_options, timeout);
	free_xml(data);

	return rc;
	}

	static int
	stonith_api_confirm(stonith_t * stonith, int call_options, const char *target)
	{
	return stonith_api_fence(stonith, call_options \| st_opt_manual_ack, target, "off", 0, 0);
	}

	static int
	stonith_api_history(stonith_t * stonith, int call_options, const char *node,
	stonith_history_t ** history, int timeout)
	{
	int rc = 0;
	xmlNode *data = NULL;
	xmlNode *output = NULL;
	stonith_history_t *last = NULL;

	*history = NULL;

	if (node) {
	data = create_xml_node(NULL, __FUNCTION__);
	crm_xml_add(data, F_STONITH_TARGET, node);
	}

	rc = stonith_send_command(stonith, STONITH_OP_FENCE_HISTORY, data, &output,
	call_options \| st_opt_sync_call, timeout);
	free_xml(data);

	if (rc == 0) {
	xmlNode *op = NULL;
	xmlNode *reply = get_xpath_object("//" F_STONITH_HISTORY_LIST, output, LOG_ERR);

	for (op = __xml_first_child(reply); op != NULL; op = __xml_next(op)) {
	stonith_history_t *kvp;
	int completed;

	kvp = calloc(1, sizeof(stonith_history_t));
	kvp->target = crm_element_value_copy(op, F_STONITH_TARGET);
	kvp->action = crm_element_value_copy(op, F_STONITH_ACTION);
	kvp->origin = crm_element_value_copy(op, F_STONITH_ORIGIN);
	kvp->delegate = crm_element_value_copy(op, F_STONITH_DELEGATE);
	kvp->client = crm_element_value_copy(op, F_STONITH_CLIENTNAME);
	crm_element_value_int(op, F_STONITH_DATE, &completed);
	kvp->completed = (time_t) completed;
	crm_element_value_int(op, F_STONITH_STATE, &kvp->state);

	if (last) {
	last->next = kvp;
	} else {
	*history = kvp;
	}
	last = kvp;
	}
	}
	return rc;
	}

	gboolean
	is_redhat_agent(const char *agent)
	{
	int rc = 0;
	struct stat prop;
	char buffer[FILENAME_MAX + 1];

	snprintf(buffer, FILENAME_MAX, "%s/%s", RH_STONITH_DIR, agent);
	rc = stat(buffer, &prop);
	if (rc >= 0 && S_ISREG(prop.st_mode)) {
	return TRUE;
	}
	return FALSE;
	}

	+/*!
	+ * \brief Deprecated (use stonith_get_namespace() instead)
	+ */
	const char *
	get_stonith_provider(const char agent, const char provider)
	{
	- /* This function sucks */
	- if (is_redhat_agent(agent)) {
	- return "redhat";
	-
	-#if HAVE_STONITH_STONITH_H
	- } else {
	- Stonith *stonith_obj = NULL;
	-
	- static gboolean need_init = TRUE;
	- static Stonith (st_new_fn) (const char *) = NULL;
	- static void (st_del_fn) (Stonith ) = NULL;
	-
	- if (need_init) {
	- need_init = FALSE;
	- st_new_fn =
	- find_library_function(&lha_agents_lib, LHA_STONITH_LIBRARY, "stonith_new", FALSE);
	- st_del_fn =
	- find_library_function(&lha_agents_lib, LHA_STONITH_LIBRARY, "stonith_delete",
	- FALSE);
	- }
	-
	- if (lha_agents_lib && st_new_fn && st_del_fn) {
	- stonith_obj = (*st_new_fn) (agent);
	- if (stonith_obj) {
	- (*st_del_fn) (stonith_obj);
	- return "heartbeat";
	- }
	- }
	-#endif
	- }
	-
	- if (safe_str_eq(provider, "internal")) {
	- return provider;
	-
	- } else {
	- crm_err("No such device: %s", agent);
	- return NULL;
	- }
	+ return stonith_namespace2text(stonith_get_namespace(agent, provider));
	}

	static gint
	stonithlib_GCompareFunc(gconstpointer a, gconstpointer b)
	{
	int rc = 0;
	const stonith_notify_client_t *a_client = a;
	const stonith_notify_client_t *b_client = b;

	CRM_CHECK(a_client->event != NULL && b_client->event != NULL, return 0);
	rc = strcmp(a_client->event, b_client->event);
	if (rc == 0) {
	if (a_client->notify == NULL \|\| b_client->notify == NULL) {
	return 0;

	} else if (a_client->notify == b_client->notify) {
	return 0;

	} else if (((long)a_client->notify) < ((long)b_client->notify)) {
	crm_err("callbacks for %s are not equal: %p vs. %p",
	a_client->event, a_client->notify, b_client->notify);
	return -1;
	}
	crm_err("callbacks for %s are not equal: %p vs. %p",
	a_client->event, a_client->notify, b_client->notify);
	return 1;
	}
	return rc;
	}

	xmlNode *
	stonith_create_op(int call_id, const char token, const char op, xmlNode * data, int call_options)
	{
	xmlNode *op_msg = create_xml_node(NULL, "stonith_command");

	CRM_CHECK(op_msg != NULL, return NULL);
	CRM_CHECK(token != NULL, return NULL);

	crm_xml_add(op_msg, F_XML_TAGNAME, "stonith_command");

	crm_xml_add(op_msg, F_TYPE, T_STONITH_NG);
	crm_xml_add(op_msg, F_STONITH_CALLBACK_TOKEN, token);
	crm_xml_add(op_msg, F_STONITH_OPERATION, op);
	crm_xml_add_int(op_msg, F_STONITH_CALLID, call_id);
	crm_trace("Sending call options: %.8lx, %d", (long)call_options, call_options);
	crm_xml_add_int(op_msg, F_STONITH_CALLOPTS, call_options);

	if (data != NULL) {
	add_message_xml(op_msg, F_STONITH_CALLDATA, data);
	}

	return op_msg;
	}

	static void
	stonith_destroy_op_callback(gpointer data)
	{
	stonith_callback_client_t *blob = data;

	if (blob->timer && blob->timer->ref > 0) {
	g_source_remove(blob->timer->ref);
	}
	free(blob->timer);
	free(blob);
	}

	static int
	stonith_api_signoff(stonith_t * stonith)
	{
	stonith_private_t *native = stonith->st_private;

	crm_debug("Disconnecting from the fencer");

	if (native->source != NULL) {
	/* Attached to mainloop */
	mainloop_del_ipc_client(native->source);
	native->source = NULL;
	native->ipc = NULL;

	} else if (native->ipc) {
	/* Not attached to mainloop */
	crm_ipc_t *ipc = native->ipc;

	native->ipc = NULL;
	crm_ipc_close(ipc);
	crm_ipc_destroy(ipc);
	}

	free(native->token); native->token = NULL;
	stonith->state = stonith_disconnected;
	return pcmk_ok;
	}

	static int
	stonith_api_del_callback(stonith_t * stonith, int call_id, bool all_callbacks)
	{
	stonith_private_t *private = stonith->st_private;

	if (all_callbacks) {
	private->op_callback = NULL;
	g_hash_table_destroy(private->stonith_op_callback_table);
	private->stonith_op_callback_table = g_hash_table_new_full(g_direct_hash, g_direct_equal,
	NULL,
	stonith_destroy_op_callback);

	} else if (call_id == 0) {
	private->op_callback = NULL;

	} else {
	g_hash_table_remove(private->stonith_op_callback_table, GINT_TO_POINTER(call_id));
	}
	return pcmk_ok;
	}

	static void
	invoke_callback(stonith_t * st, int call_id, int rc, void *userdata,
	void (callback) (stonith_t st, stonith_callback_data_t * data))
	{
	stonith_callback_data_t data = { 0, };

	data.call_id = call_id;
	data.rc = rc;
	data.userdata = userdata;

	callback(st, &data);
	}

	static void
	stonith_perform_callback(stonith_t * stonith, xmlNode * msg, int call_id, int rc)
	{
	stonith_private_t *private = NULL;
	stonith_callback_client_t *blob = NULL;
	stonith_callback_client_t local_blob;

	CRM_CHECK(stonith != NULL, return);
	CRM_CHECK(stonith->st_private != NULL, return);

	private = stonith->st_private;

	local_blob.id = NULL;
	local_blob.callback = NULL;
	local_blob.user_data = NULL;
	local_blob.only_success = FALSE;

	if (msg != NULL) {
	crm_element_value_int(msg, F_STONITH_RC, &rc);
	crm_element_value_int(msg, F_STONITH_CALLID, &call_id);
	}

	CRM_CHECK(call_id > 0, crm_log_xml_err(msg, "Bad result"));

	blob = g_hash_table_lookup(private->stonith_op_callback_table, GINT_TO_POINTER(call_id));

	if (blob != NULL) {
	local_blob = *blob;
	blob = NULL;

	stonith_api_del_callback(stonith, call_id, FALSE);

	} else {
	crm_trace("No callback found for call %d", call_id);
	local_blob.callback = NULL;
	}

	if (local_blob.callback != NULL && (rc == pcmk_ok \|\| local_blob.only_success == FALSE)) {
	crm_trace("Invoking callback %s for call %d", crm_str(local_blob.id), call_id);
	invoke_callback(stonith, call_id, rc, local_blob.user_data, local_blob.callback);

	} else if (private->op_callback == NULL && rc != pcmk_ok) {
	crm_warn("Fencing command failed: %s", pcmk_strerror(rc));
	crm_log_xml_debug(msg, "Failed fence update");
	}

	if (private->op_callback != NULL) {
	crm_trace("Invoking global callback for call %d", call_id);
	invoke_callback(stonith, call_id, rc, NULL, private->op_callback);
	}
	crm_trace("OP callback activated.");
	}

	static gboolean
	stonith_async_timeout_handler(gpointer data)
	{
	struct timer_rec_s *timer = data;

	crm_err("Async call %d timed out after %dms", timer->call_id, timer->timeout);
	stonith_perform_callback(timer->stonith, NULL, timer->call_id, -ETIME);

	/* Always return TRUE, never remove the handler
	* We do that in stonith_del_callback()
	*/
	return TRUE;
	}

	static void
	set_callback_timeout(stonith_callback_client_t * callback, stonith_t * stonith, int call_id,
	int timeout)
	{
	struct timer_rec_s *async_timer = callback->timer;

	if (timeout <= 0) {
	return;
	}

	if (!async_timer) {
	async_timer = calloc(1, sizeof(struct timer_rec_s));
	callback->timer = async_timer;
	}

	async_timer->stonith = stonith;
	async_timer->call_id = call_id;
	/* Allow a fair bit of grace to allow the server to tell us of a timeout
	* This is only a fallback
	*/
	async_timer->timeout = (timeout + 60) * 1000;
	if (async_timer->ref) {
	g_source_remove(async_timer->ref);
	}
	async_timer->ref =
	g_timeout_add(async_timer->timeout, stonith_async_timeout_handler, async_timer);
	}

	static void
	update_callback_timeout(int call_id, int timeout, stonith_t * st)
	{
	stonith_callback_client_t *callback = NULL;
	stonith_private_t *private = st->st_private;

	callback = g_hash_table_lookup(private->stonith_op_callback_table, GINT_TO_POINTER(call_id));
	if (!callback \|\| !callback->allow_timeout_updates) {
	return;
	}

	set_callback_timeout(callback, st, call_id, timeout);
	}

	static int
	stonith_dispatch_internal(const char *buffer, ssize_t length, gpointer userdata)
	{
	const char *type = NULL;
	struct notify_blob_s blob;

	stonith_t *st = userdata;
	stonith_private_t *private = NULL;

	CRM_ASSERT(st != NULL);
	private = st->st_private;

	blob.stonith = st;
	blob.xml = string2xml(buffer);
	if (blob.xml == NULL) {
	crm_warn("Received malformed message from fencer: %s", buffer);
	return 0;
	}

	/* do callbacks */
	type = crm_element_value(blob.xml, F_TYPE);
	crm_trace("Activating %s callbacks...", type);

	if (safe_str_eq(type, T_STONITH_NG)) {
	stonith_perform_callback(st, blob.xml, 0, 0);

	} else if (safe_str_eq(type, T_STONITH_NOTIFY)) {
	g_list_foreach(private->notify_list, stonith_send_notification, &blob);
	} else if (safe_str_eq(type, T_STONITH_TIMEOUT_VALUE)) {
	int call_id = 0;
	int timeout = 0;

	crm_element_value_int(blob.xml, F_STONITH_TIMEOUT, &timeout);
	crm_element_value_int(blob.xml, F_STONITH_CALLID, &call_id);

	update_callback_timeout(call_id, timeout, st);
	} else {
	crm_err("Unknown message type: %s", type);
	crm_log_xml_warn(blob.xml, "BadReply");
	}

	free_xml(blob.xml);
	return 1;
	}

	static int
	stonith_api_signon(stonith_t * stonith, const char name, int stonith_fd)
	{
	int rc = pcmk_ok;
	stonith_private_t *native = stonith->st_private;

	static struct ipc_client_callbacks st_callbacks = {
	.dispatch = stonith_dispatch_internal,
	.destroy = stonith_connection_destroy
	};

	crm_trace("Connecting command channel");

	stonith->state = stonith_connected_command;
	if (stonith_fd) {
	/* No mainloop */
	native->ipc = crm_ipc_new("stonith-ng", 0);

	if (native->ipc && crm_ipc_connect(native->ipc)) {
	*stonith_fd = crm_ipc_get_fd(native->ipc);
	} else if (native->ipc) {
	crm_perror(LOG_ERR, "Connection to fencer failed");
	rc = -ENOTCONN;
	}

	} else {
	/* With mainloop */
	native->source =
	mainloop_add_ipc_client("stonith-ng", G_PRIORITY_MEDIUM, 0, stonith, &st_callbacks);
	native->ipc = mainloop_get_ipc_client(native->source);
	}

	if (native->ipc == NULL) {
	crm_debug("Could not connect to the Stonith API");
	rc = -ENOTCONN;
	}

	if (rc == pcmk_ok) {
	xmlNode *reply = NULL;
	xmlNode *hello = create_xml_node(NULL, "stonith_command");

	crm_xml_add(hello, F_TYPE, T_STONITH_NG);
	crm_xml_add(hello, F_STONITH_OPERATION, CRM_OP_REGISTER);
	crm_xml_add(hello, F_STONITH_CLIENTNAME, name);
	rc = crm_ipc_send(native->ipc, hello, crm_ipc_client_response, -1, &reply);

	if (rc < 0) {
	crm_perror(LOG_DEBUG, "Couldn't complete registration with the fencing API: %d", rc);
	rc = -ECOMM;

	} else if (reply == NULL) {
	crm_err("Did not receive registration reply");
	rc = -EPROTO;

	} else {
	const char *msg_type = crm_element_value(reply, F_STONITH_OPERATION);
	const char *tmp_ticket = crm_element_value(reply, F_STONITH_CLIENTID);

	if (safe_str_neq(msg_type, CRM_OP_REGISTER)) {
	crm_err("Invalid registration message: %s", msg_type);
	crm_log_xml_err(reply, "Bad reply");
	rc = -EPROTO;

	} else if (tmp_ticket == NULL) {
	crm_err("No registration token provided");
	crm_log_xml_err(reply, "Bad reply");
	rc = -EPROTO;

	} else {
	crm_trace("Obtained registration token: %s", tmp_ticket);
	native->token = strdup(tmp_ticket);
	rc = pcmk_ok;
	}
	}

	free_xml(reply);
	free_xml(hello);
	}

	if (rc == pcmk_ok) {
	#if HAVE_MSGFROMIPC_TIMEOUT
	stonith->call_timeout = MAX_IPC_DELAY;
	#endif
	crm_debug("Connection to fencer successful");
	return pcmk_ok;
	}

	crm_debug("Connection to fencer failed: %s", pcmk_strerror(rc));
	stonith->cmds->disconnect(stonith);
	return rc;
	}

	static int
	stonith_set_notification(stonith_t * stonith, const char *callback, int enabled)
	{
	int rc = pcmk_ok;
	xmlNode *notify_msg = create_xml_node(NULL, __FUNCTION__);
	stonith_private_t *native = stonith->st_private;

	if (stonith->state != stonith_disconnected) {

	crm_xml_add(notify_msg, F_STONITH_OPERATION, T_STONITH_NOTIFY);
	if (enabled) {
	crm_xml_add(notify_msg, F_STONITH_NOTIFY_ACTIVATE, callback);
	} else {
	crm_xml_add(notify_msg, F_STONITH_NOTIFY_DEACTIVATE, callback);
	}

	rc = crm_ipc_send(native->ipc, notify_msg, crm_ipc_client_response, -1, NULL);
	if (rc < 0) {
	crm_perror(LOG_DEBUG, "Couldn't register for fencing notifications: %d", rc);
	rc = -ECOMM;
	} else {
	rc = pcmk_ok;
	}
	}

	free_xml(notify_msg);
	return rc;
	}

	static int
	stonith_api_add_notification(stonith_t * stonith, const char *event,
	void (callback) (stonith_t stonith, stonith_event_t * e))
	{
	GList *list_item = NULL;
	stonith_notify_client_t *new_client = NULL;
	stonith_private_t *private = NULL;

	private = stonith->st_private;
	crm_trace("Adding callback for %s events (%d)", event, g_list_length(private->notify_list));

	new_client = calloc(1, sizeof(stonith_notify_client_t));
	new_client->event = event;
	new_client->notify = callback;

	list_item = g_list_find_custom(private->notify_list, new_client, stonithlib_GCompareFunc);

	if (list_item != NULL) {
	crm_warn("Callback already present");
	free(new_client);
	return -ENOTUNIQ;

	} else {
	private->notify_list = g_list_append(private->notify_list, new_client);

	stonith_set_notification(stonith, event, 1);

	crm_trace("Callback added (%d)", g_list_length(private->notify_list));
	}
	return pcmk_ok;
	}

	static int
	stonith_api_del_notification(stonith_t * stonith, const char *event)
	{
	GList *list_item = NULL;
	stonith_notify_client_t *new_client = NULL;
	stonith_private_t *private = NULL;

	crm_debug("Removing callback for %s events", event);

	private = stonith->st_private;
	new_client = calloc(1, sizeof(stonith_notify_client_t));
	new_client->event = event;
	new_client->notify = NULL;

	list_item = g_list_find_custom(private->notify_list, new_client, stonithlib_GCompareFunc);

	stonith_set_notification(stonith, event, 0);

	if (list_item != NULL) {
	stonith_notify_client_t *list_client = list_item->data;

	private->notify_list = g_list_remove(private->notify_list, list_client);
	free(list_client);

	crm_trace("Removed callback");

	} else {
	crm_trace("Callback not present");
	}
	free(new_client);
	return pcmk_ok;
	}

	static int
	stonith_api_add_callback(stonith_t * stonith, int call_id, int timeout, int options,
	void user_data, const char callback_name,
	void (callback) (stonith_t st, stonith_callback_data_t * data))
	{
	stonith_callback_client_t *blob = NULL;
	stonith_private_t *private = NULL;

	CRM_CHECK(stonith != NULL, return -EINVAL);
	CRM_CHECK(stonith->st_private != NULL, return -EINVAL);
	private = stonith->st_private;

	if (call_id == 0) {
	private->op_callback = callback;

	} else if (call_id < 0) {
	if (!(options & st_opt_report_only_success)) {
	crm_trace("Call failed, calling %s: %s", callback_name, pcmk_strerror(call_id));
	invoke_callback(stonith, call_id, call_id, user_data, callback);
	} else {
	crm_warn("Fencer call failed: %s", pcmk_strerror(call_id));
	}
	return FALSE;
	}

	blob = calloc(1, sizeof(stonith_callback_client_t));
	blob->id = callback_name;
	blob->only_success = (options & st_opt_report_only_success) ? TRUE : FALSE;
	blob->user_data = user_data;
	blob->callback = callback;
	blob->allow_timeout_updates = (options & st_opt_timeout_updates) ? TRUE : FALSE;

	if (timeout > 0) {
	set_callback_timeout(blob, stonith, call_id, timeout);
	}

	g_hash_table_insert(private->stonith_op_callback_table, GINT_TO_POINTER(call_id), blob);
	crm_trace("Added callback to %s for call %d", callback_name, call_id);

	return TRUE;
	}

	static void
	stonith_dump_pending_op(gpointer key, gpointer value, gpointer user_data)
	{
	int call = GPOINTER_TO_INT(key);
	stonith_callback_client_t *blob = value;

	crm_debug("Call %d (%s): pending", call, crm_str(blob->id));
	}

	void
	stonith_dump_pending_callbacks(stonith_t * stonith)
	{
	stonith_private_t *private = stonith->st_private;

	if (private->stonith_op_callback_table == NULL) {
	return;
	}
	return g_hash_table_foreach(private->stonith_op_callback_table, stonith_dump_pending_op, NULL);
	}

	/*
	<notify t="st_notify" subt="st_device_register" st_op="st_device_register" st_rc="0" >
	<st_calldata >
	<stonith_command t="stonith-ng" st_async_id="088fb640-431a-48b9-b2fc-c4ff78d0a2d9" st_op="st_device_register" st_callid="2" st_callopt="4096" st_timeout="0" st_clientid="088fb640-431a-48b9-b2fc-c4ff78d0a2d9" st_clientname="cts-fence-helper" >
	<st_calldata >
	<st_device_id id="test-id" origin="create_device_registration_xml" agent="fence_virsh" namespace="stonith-ng" >
	<attributes ipaddr="localhost" pcmk-portmal="some-host=pcmk-1 pcmk-3=3,4" login="root" identity_file="/root/.ssh/id_dsa" />
	</st_device_id>
	</st_calldata>
	</stonith_command>
	</st_calldata>
	</notify>

	<notify t="st_notify" subt="st_notify_fence" st_op="st_notify_fence" st_rc="0" >
	<st_calldata >
	<st_notify_fence st_rc="0" st_target="some-host" st_op="st_fence" st_delegate="test-id" st_origin="61dd7759-e229-4be7-b1f8-ef49dd14d9f0" />
	</st_calldata>
	</notify>
	*/
	static stonith_event_t *
	xml_to_event(xmlNode * msg)
	{
	stonith_event_t *event = calloc(1, sizeof(stonith_event_t));
	const char *ntype = crm_element_value(msg, F_SUBTYPE);
	char *data_addr = crm_strdup_printf("//%s", ntype);
	xmlNode *data = get_xpath_object(data_addr, msg, LOG_DEBUG);

	crm_log_xml_trace(msg, "stonith_notify");

	crm_element_value_int(msg, F_STONITH_RC, &(event->result));

	if (safe_str_eq(ntype, T_STONITH_NOTIFY_FENCE)) {
	event->operation = crm_element_value_copy(msg, F_STONITH_OPERATION);

	if (data) {
	event->origin = crm_element_value_copy(data, F_STONITH_ORIGIN);
	event->action = crm_element_value_copy(data, F_STONITH_ACTION);
	event->target = crm_element_value_copy(data, F_STONITH_TARGET);
	event->executioner = crm_element_value_copy(data, F_STONITH_DELEGATE);
	event->id = crm_element_value_copy(data, F_STONITH_REMOTE_OP_ID);
	event->client_origin = crm_element_value_copy(data, F_STONITH_CLIENTNAME);
	event->device = crm_element_value_copy(data, F_STONITH_DEVICE);

	} else {
	crm_err("No data for %s event", ntype);
	crm_log_xml_notice(msg, "BadEvent");
	}
	}

	free(data_addr);
	return event;
	}

	static void
	event_free(stonith_event_t * event)
	{
	free(event->id);
	free(event->type);
	free(event->message);
	free(event->operation);
	free(event->origin);
	free(event->action);
	free(event->target);
	free(event->executioner);
	free(event->device);
	free(event->client_origin);
	free(event);
	}

	static void
	stonith_send_notification(gpointer data, gpointer user_data)
	{
	struct notify_blob_s *blob = user_data;
	stonith_notify_client_t *entry = data;
	stonith_event_t *st_event = NULL;
	const char *event = NULL;

	if (blob->xml == NULL) {
	crm_warn("Skipping callback - NULL message");
	return;
	}

	event = crm_element_value(blob->xml, F_SUBTYPE);

	if (entry == NULL) {
	crm_warn("Skipping callback - NULL callback client");
	return;

	} else if (entry->notify == NULL) {
	crm_warn("Skipping callback - NULL callback");
	return;

	} else if (safe_str_neq(entry->event, event)) {
	crm_trace("Skipping callback - event mismatch %p/%s vs. %s", entry, entry->event, event);
	return;
	}

	st_event = xml_to_event(blob->xml);

	crm_trace("Invoking callback for %p/%s event...", entry, event);
	entry->notify(blob->stonith, st_event);
	crm_trace("Callback invoked...");

	event_free(st_event);
	}

	int
	stonith_send_command(stonith_t * stonith, const char op, xmlNode data, xmlNode ** output_data,
	int call_options, int timeout)
	{
	int rc = 0;
	int reply_id = -1;
	enum crm_ipc_flags ipc_flags = crm_ipc_flags_none;

	xmlNode *op_msg = NULL;
	xmlNode *op_reply = NULL;

	stonith_private_t *native = stonith->st_private;

	if (stonith->state == stonith_disconnected) {
	return -ENOTCONN;
	}

	if (output_data != NULL) {
	*output_data = NULL;
	}

	if (op == NULL) {
	crm_err("No operation specified");
	return -EINVAL;
	}

	if (call_options & st_opt_sync_call) {
	ipc_flags \|= crm_ipc_client_response;
	}

	stonith->call_id++;
	/* prevent call_id from being negative (or zero) and conflicting
	* with the stonith_errors enum
	* use 2 because we use it as (stonith->call_id - 1) below
	*/
	if (stonith->call_id < 1) {
	stonith->call_id = 1;
	}

	CRM_CHECK(native->token != NULL,;
	);
	op_msg = stonith_create_op(stonith->call_id, native->token, op, data, call_options);
	if (op_msg == NULL) {
	return -EINVAL;
	}

	crm_xml_add_int(op_msg, F_STONITH_TIMEOUT, timeout);
	crm_trace("Sending %s message to fencer with timeout %ds", op, timeout);

	rc = crm_ipc_send(native->ipc, op_msg, ipc_flags, 1000 * (timeout + 60), &op_reply);
	free_xml(op_msg);

	if (rc < 0) {
	crm_perror(LOG_ERR, "Couldn't perform %s operation (timeout=%ds): %d", op, timeout, rc);
	rc = -ECOMM;
	goto done;
	}

	crm_log_xml_trace(op_reply, "Reply");

	if (!(call_options & st_opt_sync_call)) {
	crm_trace("Async call %d, returning", stonith->call_id);
	CRM_CHECK(stonith->call_id != 0, return -EPROTO);
	free_xml(op_reply);

	return stonith->call_id;
	}

	rc = pcmk_ok;
	crm_element_value_int(op_reply, F_STONITH_CALLID, &reply_id);

	if (reply_id == stonith->call_id) {
	crm_trace("Synchronous reply %d received", reply_id);

	if (crm_element_value_int(op_reply, F_STONITH_RC, &rc) != 0) {
	rc = -ENOMSG;
	}

	if ((call_options & st_opt_discard_reply) \|\| output_data == NULL) {
	crm_trace("Discarding reply");

	} else {
	*output_data = op_reply;
	op_reply = NULL; /* Prevent subsequent free */
	}

	} else if (reply_id <= 0) {
	crm_err("Received bad reply: No id set");
	crm_log_xml_err(op_reply, "Bad reply");
	free_xml(op_reply);
	rc = -ENOMSG;

	} else {
	crm_err("Received bad reply: %d (wanted %d)", reply_id, stonith->call_id);
	crm_log_xml_err(op_reply, "Old reply");
	free_xml(op_reply);
	rc = -ENOMSG;
	}

	done:
	if (crm_ipc_connected(native->ipc) == FALSE) {
	crm_err("Fencer disconnected");
	stonith->state = stonith_disconnected;
	}

	free_xml(op_reply);
	return rc;
	}

	/* Not used with mainloop */
	bool
	stonith_dispatch(stonith_t * st)
	{
	gboolean stay_connected = TRUE;
	stonith_private_t *private = NULL;

	CRM_ASSERT(st != NULL);
	private = st->st_private;

	while (crm_ipc_ready(private->ipc)) {

	if (crm_ipc_read(private->ipc) > 0) {
	const char *msg = crm_ipc_buffer(private->ipc);

	stonith_dispatch_internal(msg, strlen(msg), st);
	}

	if (crm_ipc_connected(private->ipc) == FALSE) {
	crm_err("Connection closed");
	stay_connected = FALSE;
	}
	}

	return stay_connected;
	}

	static int
	stonith_api_free(stonith_t * stonith)
	{
	int rc = pcmk_ok;

	crm_trace("Destroying %p", stonith);

	if (stonith->state != stonith_disconnected) {
	crm_trace("Disconnecting %p first", stonith);
	rc = stonith->cmds->disconnect(stonith);
	}

	if (stonith->state == stonith_disconnected) {
	stonith_private_t *private = stonith->st_private;

	crm_trace("Removing %d callbacks", g_hash_table_size(private->stonith_op_callback_table));
	g_hash_table_destroy(private->stonith_op_callback_table);

	crm_trace("Destroying %d notification clients", g_list_length(private->notify_list));
	g_list_free_full(private->notify_list, free);

	free(stonith->st_private);
	free(stonith->cmds);
	free(stonith);

	} else {
	crm_err("Not free'ing active connection: %s (%d)", pcmk_strerror(rc), rc);
	}

	return rc;
	}

	void
	stonith_api_delete(stonith_t * stonith)
	{
	crm_trace("Destroying %p", stonith);
	if(stonith) {
	stonith->cmds->free(stonith);
	}
	}

	stonith_t *
	stonith_api_new(void)
	{
	stonith_t *new_stonith = NULL;
	stonith_private_t *private = NULL;

	new_stonith = calloc(1, sizeof(stonith_t));
	private = calloc(1, sizeof(stonith_private_t));
	new_stonith->st_private = private;

	private->stonith_op_callback_table = g_hash_table_new_full(g_direct_hash, g_direct_equal,
	NULL, stonith_destroy_op_callback);
	private->notify_list = NULL;

	new_stonith->call_id = 1;
	new_stonith->state = stonith_disconnected;

	new_stonith->cmds = calloc(1, sizeof(stonith_api_operations_t));

	/* INDENT-OFF */
	new_stonith->cmds->free = stonith_api_free;
	new_stonith->cmds->connect = stonith_api_signon;
	new_stonith->cmds->disconnect = stonith_api_signoff;

	new_stonith->cmds->list = stonith_api_list;
	new_stonith->cmds->monitor = stonith_api_monitor;
	new_stonith->cmds->status = stonith_api_status;
	new_stonith->cmds->fence = stonith_api_fence;
	new_stonith->cmds->confirm = stonith_api_confirm;
	new_stonith->cmds->history = stonith_api_history;

	new_stonith->cmds->list_agents = stonith_api_device_list;
	new_stonith->cmds->metadata = stonith_api_device_metadata;

	new_stonith->cmds->query = stonith_api_query;
	new_stonith->cmds->remove_device = stonith_api_remove_device;
	new_stonith->cmds->register_device = stonith_api_register_device;

	new_stonith->cmds->remove_level = stonith_api_remove_level;
	new_stonith->cmds->remove_level_full = stonith_api_remove_level_full;
	new_stonith->cmds->register_level = stonith_api_register_level;
	new_stonith->cmds->register_level_full = stonith_api_register_level_full;

	new_stonith->cmds->remove_callback = stonith_api_del_callback;
	new_stonith->cmds->register_callback = stonith_api_add_callback;
	new_stonith->cmds->remove_notification = stonith_api_del_notification;
	new_stonith->cmds->register_notification = stonith_api_add_notification;
	/* INDENT-ON */

	return new_stonith;
	}

	stonith_key_value_t *
	stonith_key_value_add(stonith_key_value_t * head, const char key, const char value)
	{
	stonith_key_value_t p, end;

	p = calloc(1, sizeof(stonith_key_value_t));
	if (key) {
	p->key = strdup(key);
	}
	if (value) {
	p->value = strdup(value);
	}

	end = head;
	while (end && end->next) {
	end = end->next;
	}

	if (end) {
	end->next = p;
	} else {
	head = p;
	}

	return head;
	}

	void
	stonith_key_value_freeall(stonith_key_value_t * head, int keys, int values)
	{
	stonith_key_value_t *p;

	while (head) {
	p = head->next;
	if (keys) {
	free(head->key);
	}
	if (values) {
	free(head->value);
	}
	free(head);
	head = p;
	}
	}

	#define api_log_open() openlog("stonith-api", LOG_CONS \| LOG_NDELAY \| LOG_PID, LOG_DAEMON)
	#define api_log(level, fmt, args...) syslog(level, "%s: "fmt, __FUNCTION__, args)

	int
	stonith_api_kick(uint32_t nodeid, const char *uname, int timeout, bool off)
	{
	char *name = NULL;
	const char *action = "reboot";

	int rc = -EPROTO;
	stonith_t *st = NULL;
	enum stonith_call_options opts = st_opt_sync_call \| st_opt_allow_suicide;

	api_log_open();
	st = stonith_api_new();
	if (st) {
	rc = st->cmds->connect(st, "stonith-api", NULL);
	if(rc != pcmk_ok) {
	api_log(LOG_ERR, "Connection failed, could not kick (%s) node %u/%s : %s (%d)", action, nodeid, uname, pcmk_strerror(rc), rc);
	}
	}

	if (uname != NULL) {
	name = strdup(uname);

	} else if (nodeid > 0) {
	opts \|= st_opt_cs_nodeid;
	name = crm_itoa(nodeid);
	}

	if (off) {
	action = "off";
	}

	if (rc == pcmk_ok) {
	rc = st->cmds->fence(st, opts, name, action, timeout, 0);
	if(rc != pcmk_ok) {
	api_log(LOG_ERR, "Could not kick (%s) node %u/%s : %s (%d)", action, nodeid, uname, pcmk_strerror(rc), rc);
	} else {
	api_log(LOG_NOTICE, "Node %u/%s kicked: %s ", nodeid, uname, action);
	}
	}

	if (st) {
	st->cmds->disconnect(st);
	stonith_api_delete(st);
	}

	free(name);
	return rc;
	}

	time_t
	stonith_api_time(uint32_t nodeid, const char *uname, bool in_progress)
	{
	int rc = 0;
	char *name = NULL;

	time_t when = 0;
	stonith_t *st = NULL;
	stonith_history_t history, hp = NULL;
	enum stonith_call_options opts = st_opt_sync_call;

	st = stonith_api_new();
	if (st) {
	rc = st->cmds->connect(st, "stonith-api", NULL);
	if(rc != pcmk_ok) {
	api_log(LOG_NOTICE, "Connection failed: %s (%d)", pcmk_strerror(rc), rc);
	}
	}

	if (uname != NULL) {
	name = strdup(uname);

	} else if (nodeid > 0) {
	opts \|= st_opt_cs_nodeid;
	name = crm_itoa(nodeid);
	}

	if (st && rc == pcmk_ok) {
	int entries = 0;
	int progress = 0;
	int completed = 0;

	rc = st->cmds->history(st, opts, name, &history, 120);

	for (hp = history; hp; hp = hp->next) {
	entries++;
	if (in_progress) {
	progress++;
	if (hp->state != st_done && hp->state != st_failed) {
	when = time(NULL);
	}

	} else if (hp->state == st_done) {
	completed++;
	if (hp->completed > when) {
	when = hp->completed;
	}
	}
	}

	if(rc == pcmk_ok) {
	api_log(LOG_INFO, "Found %d entries for %u/%s: %d in progress, %d completed", entries, nodeid, uname, progress, completed);
	} else {
	api_log(LOG_ERR, "Could not retrieve fence history for %u/%s: %s (%d)", nodeid, uname, pcmk_strerror(rc), rc);
	}
	}

	if (st) {
	st->cmds->disconnect(st);
	stonith_api_delete(st);
	}

	if(when) {
	api_log(LOG_INFO, "Node %u/%s last kicked at: %ld", nodeid, uname, (long int)when);
	}
	free(name);
	return when;
	}

	#if HAVE_STONITH_STONITH_H
	# include <pils/plugin.h>

	const char *i_hate_pils(int rc);

	const char *
	i_hate_pils(int rc)
	{
	return PIL_strerror(rc);
	}
	#endif

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