kernel-interface: Pass the same data to del_policy() that was passed to add_policy()

The additional data can be helpful to identify the exact policy to
delete.

src/charon-tkm/src/tkm/tkm_kernel_ipsec.c

@@ -281,9 +281,10 @@ METHOD(kernel_ipsec_t, query_policy, status_t,
 }
 
 METHOD(kernel_ipsec_t, del_policy, status_t,
-	private_tkm_kernel_ipsec_t *this, traffic_selector_t *src_ts,
-	traffic_selector_t *dst_ts, policy_dir_t direction, u_int32_t reqid,
-	mark_t mark, policy_priority_t prio)
+	private_tkm_kernel_ipsec_t *this, host_t *src, host_t *dst,
+	traffic_selector_t *src_ts, traffic_selector_t *dst_ts,
+	policy_dir_t direction, policy_type_t type, ipsec_sa_cfg_t *sa,
+	mark_t mark, policy_priority_t priority)
 {
 	return SUCCESS;
 }

src/frontends/android/jni/libandroidbridge/kernel/android_ipsec.c

@@ -126,12 +126,13 @@ METHOD(kernel_ipsec_t, query_policy, status_t,
 }
 
 METHOD(kernel_ipsec_t, del_policy, status_t,
-	private_kernel_android_ipsec_t *this, traffic_selector_t *src_ts,
-	traffic_selector_t *dst_ts, policy_dir_t direction, u_int32_t reqid,
+	private_kernel_android_ipsec_t *this, host_t *src, host_t *dst,
+	traffic_selector_t *src_ts, traffic_selector_t *dst_ts,
+	policy_dir_t direction, policy_type_t type, ipsec_sa_cfg_t *sa,
 	mark_t mark, policy_priority_t priority)
 {
 	return ipsec->policies->del_policy(ipsec->policies, src_ts, dst_ts,
-									   direction, reqid, mark, priority);
+									   direction, sa->reqid, mark, priority);
 }
 
 METHOD(kernel_ipsec_t, flush_policies, status_t,

src/libcharon/plugins/kernel_libipsec/kernel_libipsec_ipsec.c

@@ -563,15 +563,16 @@ METHOD(kernel_ipsec_t, query_policy, status_t,
 }
 
 METHOD(kernel_ipsec_t, del_policy, status_t,
-	private_kernel_libipsec_ipsec_t *this, traffic_selector_t *src_ts,
-	traffic_selector_t *dst_ts, policy_dir_t direction, u_int32_t reqid,
+	private_kernel_libipsec_ipsec_t *this, host_t *src, host_t *dst,
+	traffic_selector_t *src_ts, traffic_selector_t *dst_ts,
+	policy_dir_t direction, policy_type_t type, ipsec_sa_cfg_t *sa,
 	mark_t mark, policy_priority_t priority)
 {
 	policy_entry_t *policy, *found = NULL;
 	status_t status;
 
 	status = ipsec->policies->del_policy(ipsec->policies, src_ts, dst_ts,
-										 direction, reqid, mark, priority);
+										 direction, sa->reqid, mark, priority);
 
 	policy = create_policy_entry(src_ts, dst_ts, direction);
 

src/libcharon/plugins/kernel_wfp/kernel_wfp_ipsec.c

@@ -2456,15 +2456,16 @@ METHOD(kernel_ipsec_t, query_policy, status_t,
 }
 
 METHOD(kernel_ipsec_t, del_policy, status_t,
-	private_kernel_wfp_ipsec_t *this, traffic_selector_t *src_ts,
-	traffic_selector_t *dst_ts, policy_dir_t direction, u_int32_t reqid,
+	private_kernel_wfp_ipsec_t *this, host_t *src, host_t *dst,
+	traffic_selector_t *src_ts, traffic_selector_t *dst_ts,
+	policy_dir_t direction, policy_type_t type, ipsec_sa_cfg_t *sa,
 	mark_t mark, policy_priority_t priority)
 {
 	if (direction == POLICY_OUT && priority == POLICY_PRIORITY_ROUTED)
 	{
-		if (remove_trap(this, reqid, FALSE, src_ts, dst_ts))
+		if (remove_trap(this, sa->reqid, FALSE, src_ts, dst_ts))
 		{
-			remove_trap(this, reqid, TRUE, src_ts, dst_ts);
+			remove_trap(this, sa->reqid, TRUE, src_ts, dst_ts);
 			return SUCCESS;
 		}
 		return NOT_FOUND;

src/libcharon/plugins/load_tester/load_tester_ipsec.c

@@ -103,8 +103,9 @@ METHOD(kernel_ipsec_t, query_policy, status_t,
 }
 
 METHOD(kernel_ipsec_t, del_policy, status_t,
-	private_load_tester_ipsec_t *this, traffic_selector_t *src_ts,
-	traffic_selector_t *dst_ts, policy_dir_t direction, u_int32_t reqid,
+	private_load_tester_ipsec_t *this, host_t *src, host_t *dst,
+	traffic_selector_t *src_ts, traffic_selector_t *dst_ts,
+	policy_dir_t direction, policy_type_t type, ipsec_sa_cfg_t *sa,
 	mark_t mark, policy_priority_t priority)
 {
 	return SUCCESS;

src/libcharon/sa/child_sa.c

@@ -413,8 +413,14 @@ METHOD(enumerator_t, policy_enumerate, bool,
 		{	/* protocol mismatch */
 			continue;
 		}
-		*my_out = this->ts;
-		*other_out = other_ts;
+		if (my_out)
+		{
+			*my_out = this->ts;
+		}
+		if (other_out)
+		{
+			*other_out = other_ts;
+		}
 		return TRUE;
 	}
 	return FALSE;
@@ -774,6 +780,50 @@ static bool require_policy_update()
 	return !(f & KERNEL_NO_POLICY_UPDATES);
 }
 
+/**
+ * Prepare SA config to install/delete policies
+ */
+static void prepare_sa_cfg(private_child_sa_t *this, ipsec_sa_cfg_t *my_sa,
+						   ipsec_sa_cfg_t *other_sa)
+{
+	enumerator_t *enumerator;
+
+	*my_sa = (ipsec_sa_cfg_t){
+		.mode = this->mode,
+		.reqid = this->reqid,
+		.ipcomp = {
+			.transform = this->ipcomp,
+		},
+	};
+	*other_sa = *my_sa;
+
+	my_sa->ipcomp.cpi = this->my_cpi;
+	other_sa->ipcomp.cpi = this->other_cpi;
+
+	if (this->protocol == PROTO_ESP)
+	{
+		my_sa->esp.use = TRUE;
+		my_sa->esp.spi = this->my_spi;
+		other_sa->esp.use = TRUE;
+		other_sa->esp.spi = this->other_spi;
+	}
+	else
+	{
+		my_sa->ah.use = TRUE;
+		my_sa->ah.spi = this->my_spi;
+		other_sa->ah.use = TRUE;
+		other_sa->ah.spi = this->other_spi;
+	}
+
+	enumerator = create_policy_enumerator(this);
+	while (enumerator->enumerate(enumerator, NULL, NULL))
+	{
+		my_sa->policy_count++;
+		other_sa->policy_count++;
+	}
+	enumerator->destroy(enumerator);
+}
+
 /**
  * Install 3 policies: out, in and forward
  */
@@ -806,20 +856,22 @@ static status_t install_policies_internal(private_child_sa_t *this,
  * Delete 3 policies: out, in and forward
  */
 static void del_policies_internal(private_child_sa_t *this,
-		traffic_selector_t *my_ts, traffic_selector_t *other_ts,
-		policy_priority_t priority)
+	host_t *my_addr, host_t *other_addr, traffic_selector_t *my_ts,
+	traffic_selector_t *other_ts, ipsec_sa_cfg_t *my_sa,
+	ipsec_sa_cfg_t *other_sa, policy_type_t type, policy_priority_t priority)
 {
+
 	hydra->kernel_interface->del_policy(hydra->kernel_interface,
-						my_ts, other_ts, POLICY_OUT, this->reqid,
-						this->mark_out, priority);
+						my_addr, other_addr, my_ts, other_ts, POLICY_OUT, type,
+						other_sa, this->mark_out, priority);
 	hydra->kernel_interface->del_policy(hydra->kernel_interface,
-						other_ts, my_ts,  POLICY_IN, this->reqid,
-						this->mark_in, priority);
+						other_addr, my_addr, other_ts, my_ts, POLICY_IN,
+						type, my_sa, this->mark_in, priority);
 	if (this->mode != MODE_TRANSPORT)
 	{
 		hydra->kernel_interface->del_policy(hydra->kernel_interface,
-						other_ts, my_ts, POLICY_FWD, this->reqid,
-						this->mark_in, priority);
+						other_addr, my_addr, other_ts, my_ts, POLICY_FWD,
+						type, my_sa, this->mark_in, priority);
 	}
 }
 
@@ -864,31 +916,9 @@ METHOD(child_sa_t, add_policies, status_t,
 	if (this->config->install_policy(this->config))
 	{
 		policy_priority_t priority;
-		ipsec_sa_cfg_t my_sa = {
-			.mode = this->mode,
-			.reqid = this->reqid,
-			.ipcomp = {
-				.transform = this->ipcomp,
-			},
-		}, other_sa = my_sa;
+		ipsec_sa_cfg_t my_sa, other_sa;
 
-		my_sa.ipcomp.cpi = this->my_cpi;
-		other_sa.ipcomp.cpi = this->other_cpi;
-
-		if (this->protocol == PROTO_ESP)
-		{
-			my_sa.esp.use = TRUE;
-			my_sa.esp.spi = this->my_spi;
-			other_sa.esp.use = TRUE;
-			other_sa.esp.spi = this->other_spi;
-		}
-		else
-		{
-			my_sa.ah.use = TRUE;
-			my_sa.ah.spi = this->my_spi;
-			other_sa.ah.use = TRUE;
-			other_sa.ah.spi = this->other_spi;
-		}
+		prepare_sa_cfg(this, &my_sa, &other_sa);
 
 		/* if we're not in state CHILD_INSTALLING (i.e. if there is no SAD
 		 * entry) we install a trap policy */
@@ -896,14 +926,6 @@ METHOD(child_sa_t, add_policies, status_t,
 		priority = this->trap ? POLICY_PRIORITY_ROUTED
 							  : POLICY_PRIORITY_DEFAULT;
 
-		enumerator = create_policy_enumerator(this);
-		while (enumerator->enumerate(enumerator, &my_ts, &other_ts))
-		{
-			my_sa.policy_count++;
-			other_sa.policy_count++;
-		}
-		enumerator->destroy(enumerator);
-
 		/* enumerate pairs of traffic selectors */
 		enumerator = create_policy_enumerator(this);
 		while (enumerator->enumerate(enumerator, &my_ts, &other_ts))
@@ -1006,47 +1028,24 @@ METHOD(child_sa_t, update, status_t,
 
 	if (this->config->install_policy(this->config) && require_policy_update())
 	{
-		ipsec_sa_cfg_t my_sa = {
-			.mode = this->mode,
-			.reqid = this->reqid,
-			.ipcomp = {
-				.transform = this->ipcomp,
-			},
-		}, other_sa = my_sa;
-
-		my_sa.ipcomp.cpi = this->my_cpi;
-		other_sa.ipcomp.cpi = this->other_cpi;
-
-		if (this->protocol == PROTO_ESP)
-		{
-			my_sa.esp.use = TRUE;
-			my_sa.esp.spi = this->my_spi;
-			other_sa.esp.use = TRUE;
-			other_sa.esp.spi = this->other_spi;
-		}
-		else
-		{
-			my_sa.ah.use = TRUE;
-			my_sa.ah.spi = this->my_spi;
-			other_sa.ah.use = TRUE;
-			other_sa.ah.spi = this->other_spi;
-		}
-
-		/* update policies */
 		if (!me->ip_equals(me, this->my_addr) ||
 			!other->ip_equals(other, this->other_addr))
 		{
+			ipsec_sa_cfg_t my_sa, other_sa;
 			enumerator_t *enumerator;
 			traffic_selector_t *my_ts, *other_ts;
 
+			prepare_sa_cfg(this, &my_sa, &other_sa);
+
 			/* always use high priorities, as hosts getting updated are INSTALLED */
 			enumerator = create_policy_enumerator(this);
 			while (enumerator->enumerate(enumerator, &my_ts, &other_ts))
 			{
 				traffic_selector_t *old_my_ts = NULL, *old_other_ts = NULL;
 				/* remove old policies first */
-				del_policies_internal(this, my_ts, other_ts,
-									  POLICY_PRIORITY_DEFAULT);
+				del_policies_internal(this, this->my_addr, this->other_addr,
+									  my_ts, other_ts, &my_sa, &other_sa,
+									  POLICY_IPSEC, POLICY_PRIORITY_DEFAULT);
 
 				/* check if we have to update a "dynamic" traffic selector */
 				if (!me->ip_equals(me, this->my_addr) &&
@@ -1068,21 +1067,20 @@ METHOD(child_sa_t, update, status_t,
 
 				/* reinstall updated policies */
 				install_policies_internal(this, me, other, my_ts, other_ts,
-								&my_sa, &other_sa, POLICY_IPSEC,
-								POLICY_PRIORITY_DEFAULT);
+										  &my_sa, &other_sa, POLICY_IPSEC,
+										  POLICY_PRIORITY_DEFAULT);
 
 				/* update fallback policies after the new policy is in place */
-				if (old_my_ts || old_other_ts)
-				{
-					del_policies_internal(this, old_my_ts ?: my_ts,
-										  old_other_ts ?: other_ts,
+				del_policies_internal(this, this->my_addr, this->other_addr,
+									  old_my_ts ?: my_ts,
+									  old_other_ts ?: other_ts,
+									  &my_sa, &other_sa, POLICY_DROP,
+									  POLICY_PRIORITY_FALLBACK);
+				install_policies_internal(this, me, other, my_ts, other_ts,
+										  &my_sa, &other_sa, POLICY_DROP,
 										  POLICY_PRIORITY_FALLBACK);
-					install_policies_internal(this, me, other, my_ts, other_ts,
-								&my_sa, &other_sa, POLICY_DROP,
-								POLICY_PRIORITY_FALLBACK);
-					DESTROY_IF(old_my_ts);
-					DESTROY_IF(old_other_ts);
-				}
+				DESTROY_IF(old_my_ts);
+				DESTROY_IF(old_other_ts);
 			}
 			enumerator->destroy(enumerator);
 		}
@@ -1122,15 +1120,21 @@ METHOD(child_sa_t, destroy, void,
 
 	if (this->config->install_policy(this->config))
 	{
+		ipsec_sa_cfg_t my_sa, other_sa;
+
+		prepare_sa_cfg(this, &my_sa, &other_sa);
+
 		/* delete all policies in the kernel */
 		enumerator = create_policy_enumerator(this);
 		while (enumerator->enumerate(enumerator, &my_ts, &other_ts))
 		{
-			del_policies_internal(this, my_ts, other_ts, priority);
+			del_policies_internal(this, this->my_addr, this->other_addr,
+					my_ts, other_ts, &my_sa, &other_sa, POLICY_IPSEC, priority);
 			if (priority == POLICY_PRIORITY_DEFAULT && require_policy_update())
 			{
-				del_policies_internal(this, my_ts, other_ts,
-									  POLICY_PRIORITY_FALLBACK);
+				del_policies_internal(this, this->my_addr, this->other_addr,
+								my_ts, other_ts, &my_sa, &other_sa, POLICY_DROP,
+								POLICY_PRIORITY_FALLBACK);
 			}
 		}
 		enumerator->destroy(enumerator);

src/libcharon/sa/shunt_manager.c

@@ -203,15 +203,19 @@ static void uninstall_shunt_policy(child_cfg_t *child)
 	linked_list_t *my_ts_list, *other_ts_list, *hosts;
 	traffic_selector_t *my_ts, *other_ts;
 	host_t *host_any, *host_any6;
+	policy_type_t policy_type;
 	policy_priority_t policy_prio;
 	status_t status = SUCCESS;
+	ipsec_sa_cfg_t sa = { .mode = MODE_TRANSPORT };
 
 	switch (child->get_mode(child))
 	{
 		case MODE_PASS:
+			policy_type = POLICY_PASS;
 			policy_prio = POLICY_PRIORITY_PASS;
 			break;
 		case MODE_DROP:
+			policy_type = POLICY_DROP;
 			policy_prio = POLICY_PRIORITY_FALLBACK;
 			break;
 		default:
@@ -220,15 +224,11 @@ static void uninstall_shunt_policy(child_cfg_t *child)
 
 	host_any = host_create_any(AF_INET);
 	host_any6 = host_create_any(AF_INET6);
-	hosts = linked_list_create_with_items(host_any, host_any6, NULL);
 
+	hosts = linked_list_create_with_items(host_any, host_any6, NULL);
 	my_ts_list =    child->get_traffic_selectors(child, TRUE,  NULL, hosts);
 	other_ts_list = child->get_traffic_selectors(child, FALSE, NULL, hosts);
-
 	hosts->destroy(hosts);
-	host_any6->destroy(host_any6);
-	host_any->destroy(host_any);
-
 
 	/* enumerate pairs of traffic selectors */
 	e_my_ts = my_ts_list->create_enumerator(my_ts_list);
@@ -249,20 +249,23 @@ static void uninstall_shunt_policy(child_cfg_t *child)
 			}
 			/* uninstall out policy */
 			status |= hydra->kernel_interface->del_policy(
-							hydra->kernel_interface, my_ts, other_ts,
-							POLICY_OUT, 0, child->get_mark(child, FALSE),
+							hydra->kernel_interface, host_any, host_any,
+							my_ts, other_ts, POLICY_OUT, policy_type,
+							&sa, child->get_mark(child, FALSE),
 							policy_prio);
 
 			/* uninstall in policy */
 			status |= hydra->kernel_interface->del_policy(
-							hydra->kernel_interface, other_ts, my_ts,
-							POLICY_IN, 0, child->get_mark(child, TRUE),
+							hydra->kernel_interface, host_any, host_any,
+							other_ts, my_ts, POLICY_IN, policy_type,
+							&sa, child->get_mark(child, TRUE),
 							policy_prio);
 
 			/* uninstall forward policy */
 			status |= hydra->kernel_interface->del_policy(
-							hydra->kernel_interface, other_ts, my_ts,
-							POLICY_FWD, 0, child->get_mark(child, TRUE),
+							hydra->kernel_interface, host_any, host_any,
+							other_ts, my_ts, POLICY_FWD, policy_type,
+							&sa, child->get_mark(child, TRUE),
 							policy_prio);
 		}
 		e_other_ts->destroy(e_other_ts);
@@ -273,6 +276,8 @@ static void uninstall_shunt_policy(child_cfg_t *child)
 							   offsetof(traffic_selector_t, destroy));
 	other_ts_list->destroy_offset(other_ts_list,
 							   offsetof(traffic_selector_t, destroy));
+	host_any6->destroy(host_any6);
+	host_any->destroy(host_any);
 
 	if (status != SUCCESS)
 	{

src/libhydra/kernel/kernel_interface.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2008-2013 Tobias Brunner
+ * Copyright (C) 2008-2015 Tobias Brunner
  * Hochschule fuer Technik Rapperswil
  * Copyright (C) 2010 Martin Willi
  * Copyright (C) 2010 revosec AG
@@ -509,16 +509,17 @@ METHOD(kernel_interface_t, query_policy, status_t,
 }
 
 METHOD(kernel_interface_t, del_policy, status_t,
-	private_kernel_interface_t *this, traffic_selector_t *src_ts,
-	traffic_selector_t *dst_ts, policy_dir_t direction, u_int32_t reqid,
+	private_kernel_interface_t *this, host_t *src, host_t *dst,
+	traffic_selector_t *src_ts, traffic_selector_t *dst_ts,
+	policy_dir_t direction, policy_type_t type, ipsec_sa_cfg_t *sa,
 	mark_t mark, policy_priority_t priority)
 {
 	if (!this->ipsec)
 	{
 		return NOT_SUPPORTED;
 	}
-	return this->ipsec->del_policy(this->ipsec, src_ts, dst_ts,
-								   direction, reqid, mark, priority);
+	return this->ipsec->del_policy(this->ipsec, src, dst, src_ts, dst_ts,
+								   direction, type, sa, mark, priority);
 }
 
 METHOD(kernel_interface_t, flush_policies, status_t,

src/libhydra/kernel/kernel_interface.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2013 Tobias Brunner
+ * Copyright (C) 2006-2015 Tobias Brunner
  * Copyright (C) 2006 Daniel Roethlisberger
  * Copyright (C) 2005-2006 Martin Willi
  * Copyright (C) 2005 Jan Hutter
@@ -265,9 +265,6 @@ struct kernel_interface_t {
 	/**
 	 * Add a policy to the SPD.
 	 *
-	 * A policy is always associated to an SA. Traffic which matches a
-	 * policy is handled by the SA with the same reqid.
-	 *
 	 * @param src			source address of SA
 	 * @param dst			dest address of SA
 	 * @param src_ts		traffic selector to match traffic source
@@ -309,24 +306,24 @@ struct kernel_interface_t {
 	/**
 	 * Remove a policy from the SPD.
 	 *
-	 * The kernel interface implements reference counting for policies.
-	 * If the same policy is installed multiple times (in the case of rekeying),
-	 * the reference counter is increased. del_policy() decreases the ref counter
-	 * and removes the policy only when no more references are available.
-	 *
+	 * @param src			source address of SA
+	 * @param dst			dest address of SA
 	 * @param src_ts		traffic selector to match traffic source
 	 * @param dst_ts		traffic selector to match traffic dest
 	 * @param direction		direction of traffic, POLICY_(IN|OUT|FWD)
-	 * @param reqid			unique ID of the associated SA
-	 * @param mark			optional mark
+	 * @param type			type of policy, POLICY_(IPSEC|PASS|DROP)
+	 * @param sa			details about the SA(s) tied to this policy
+	 * @param mark			mark for this policy
 	 * @param priority		priority of the policy
 	 * @return				SUCCESS if operation completed
 	 */
 	status_t (*del_policy) (kernel_interface_t *this,
+							host_t *src, host_t *dst,
 							traffic_selector_t *src_ts,
 							traffic_selector_t *dst_ts,
-							policy_dir_t direction, u_int32_t reqid,
-							mark_t mark, policy_priority_t priority);
+							policy_dir_t direction, policy_type_t type,
+							ipsec_sa_cfg_t *sa, mark_t mark,
+							policy_priority_t priority);
 
 	/**
 	 * Flush all policies from the SPD.

src/libhydra/kernel/kernel_ipsec.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2012 Tobias Brunner
+ * Copyright (C) 2006-2015 Tobias Brunner
  * Copyright (C) 2006 Daniel Roethlisberger
  * Copyright (C) 2005-2006 Martin Willi
  * Copyright (C) 2005 Jan Hutter
@@ -186,9 +186,6 @@ struct kernel_ipsec_t {
 	/**
 	 * Add a policy to the SPD.
 	 *
-	 * A policy is always associated to an SA. Traffic which matches a
-	 * policy is handled by the SA with the same reqid.
-	 *
 	 * @param src			source address of SA
 	 * @param dst			dest address of SA
 	 * @param src_ts		traffic selector to match traffic source
@@ -231,24 +228,24 @@ struct kernel_ipsec_t {
 	/**
 	 * Remove a policy from the SPD.
 	 *
-	 * The kernel interface implements reference counting for policies.
-	 * If the same policy is installed multiple times (in the case of rekeying),
-	 * the reference counter is increased. del_policy() decreases the ref counter
-	 * and removes the policy only when no more references are available.
-	 *
+	 * @param src			source address of SA
+	 * @param dst			dest address of SA
 	 * @param src_ts		traffic selector to match traffic source
 	 * @param dst_ts		traffic selector to match traffic dest
 	 * @param direction		direction of traffic, POLICY_(IN|OUT|FWD)
-	 * @param reqid			unique ID of the associated SA
-	 * @param mark			optional mark
+	 * @param type			type of policy, POLICY_(IPSEC|PASS|DROP)
+	 * @param sa			details about the SA(s) tied to this policy
+	 * @param mark			mark for this policy
 	 * @param priority		priority of the policy
 	 * @return				SUCCESS if operation completed
 	 */
 	status_t (*del_policy) (kernel_ipsec_t *this,
+							host_t *src, host_t *dst,
 							traffic_selector_t *src_ts,
 							traffic_selector_t *dst_ts,
-							policy_dir_t direction, u_int32_t reqid,
-							mark_t mark, policy_priority_t priority);
+							policy_dir_t direction, policy_type_t type,
+							ipsec_sa_cfg_t *sa, mark_t mark,
+							policy_priority_t priority);
 
 	/**
 	 * Flush all policies from the SPD.

src/libhydra/plugins/kernel_netlink/kernel_netlink_ipsec.c

@@ -2470,8 +2470,9 @@ METHOD(kernel_ipsec_t, query_policy, status_t,
 }
 
 METHOD(kernel_ipsec_t, del_policy, status_t,
-	private_kernel_netlink_ipsec_t *this, traffic_selector_t *src_ts,
-	traffic_selector_t *dst_ts, policy_dir_t direction, u_int32_t reqid,
+	private_kernel_netlink_ipsec_t *this, host_t *src, host_t *dst,
+	traffic_selector_t *src_ts, traffic_selector_t *dst_ts,
+	policy_dir_t direction, policy_type_t type, ipsec_sa_cfg_t *sa,
 	mark_t mark, policy_priority_t prio)
 {
 	policy_entry_t *current, policy;
@@ -2496,7 +2497,7 @@ METHOD(kernel_ipsec_t, del_policy, status_t,
 	/* find the policy */
 	this->mutex->lock(this->mutex);
 	current = this->policies->get(this->policies, &policy);
-	if (!current || current->reqid != reqid)
+	if (!current || current->reqid != sa->reqid)
 	{
 		if (mark.value)
 		{

src/libhydra/plugins/kernel_pfkey/kernel_pfkey_ipsec.c

@@ -2691,8 +2691,9 @@ METHOD(kernel_ipsec_t, query_policy, status_t,
 }
 
 METHOD(kernel_ipsec_t, del_policy, status_t,
-	private_kernel_pfkey_ipsec_t *this, traffic_selector_t *src_ts,
-	traffic_selector_t *dst_ts, policy_dir_t direction, u_int32_t reqid,
+	private_kernel_pfkey_ipsec_t *this, host_t *src, host_t *dst,
+	traffic_selector_t *src_ts, traffic_selector_t *dst_ts,
+	policy_dir_t direction, policy_type_t type, ipsec_sa_cfg_t *sa,
 	mark_t mark, policy_priority_t prio)
 {
 	unsigned char request[PFKEY_BUFFER_SIZE];
@@ -2737,7 +2738,8 @@ METHOD(kernel_ipsec_t, del_policy, status_t,
 	enumerator = policy->used_by->create_enumerator(policy->used_by);
 	while (enumerator->enumerate(enumerator, (void**)&mapping))
 	{
-		if (reqid == mapping->sa->cfg.reqid && priority == mapping->priority)
+		if (sa->reqid == mapping->sa->cfg.reqid &&
+			priority == mapping->priority)
 		{
 			to_remove = mapping;
 			is_installed = first;