denozord/strongswan-ext
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Disable policy history for pluto.

Browse Source 
pluto tracks usage of policies already in its own way.
This commit is contained in:
Tobias Brunner
2011-08-02 18:34:49 +02:00
parent 889a62a8d4
commit 0057427008
1 changed files with 46 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/libhydra/plugins/kernel_netlink/kernel_netlink_ipsec.c
+46 -21
View File
@@ -282,6 +282,11 @@ struct private_kernel_netlink_ipsec_t {
*/
bool install_routes;
/**
* Whether to track the history of a policy
*/
bool policy_history;
/**
* Size of the replay window, in packets
*/
@@ -2223,22 +2228,30 @@ METHOD(kernel_ipsec_t, add_policy, status_t,
dst_ts, mark, sa);
assigned_sa->priority = get_priority(policy, priority);
/* insert the SA according to its priority */
enumerator = policy->used_by->create_enumerator(policy->used_by);
while (enumerator->enumerate(enumerator, (void**)&current_sa))
{
if (current_sa->priority >= assigned_sa->priority)
if (this->policy_history)
{ /* insert the SA according to its priority */
enumerator = policy->used_by->create_enumerator(policy->used_by);
while (enumerator->enumerate(enumerator, (void**)&current_sa))
{
break;
if (current_sa->priority >= assigned_sa->priority)
{
break;
}
update = FALSE;
}
update = FALSE;
policy->used_by->insert_before(policy->used_by, enumerator,
assigned_sa);
enumerator->destroy(enumerator);
}
else
{ /* simply insert it last and only update if it is not installed yet */
policy->used_by->insert_last(policy->used_by, assigned_sa);
update = !found;
}
policy->used_by->insert_before(policy->used_by, enumerator, assigned_sa);
enumerator->destroy(enumerator);
if (!update)
{ /* we don't update the policy if the priority is lower than that of the
* currently installed one */
{ /* we don't update the policy if the priority is lower than that of
* the currently installed one */
this->mutex->unlock(this->mutex);
return SUCCESS;
}
@@ -2421,20 +2434,29 @@ METHOD(kernel_ipsec_t, del_policy, status_t,
return NOT_FOUND;
}
/* remove mapping to SA by reqid and priority */
priority = get_priority(current, prio);
enumerator = current->used_by->create_enumerator(current->used_by);
while (enumerator->enumerate(enumerator, (void**)&mapping))
{
if (reqid == mapping->sa->cfg.reqid && priority == mapping->priority)
if (this->policy_history)
{ /* remove mapping to SA by reqid and priority */
priority = get_priority(current, prio);
enumerator = current->used_by->create_enumerator(current->used_by);
while (enumerator->enumerate(enumerator, (void**)&mapping))
{
current->used_by->remove_at(current->used_by, enumerator);
policy_sa_destroy(mapping, &direction, this);
break;
if (reqid == mapping->sa->cfg.reqid &&
priority == mapping->priority)
{
current->used_by->remove_at(current->used_by, enumerator);
policy_sa_destroy(mapping, &direction, this);
break;
}
is_installed = FALSE;
}
enumerator->destroy(enumerator);
}
else
{ /* remove one of the SAs but don't update the policy */
current->used_by->remove_last(current->used_by, (void**)&mapping);
policy_sa_destroy(mapping, &direction, this);
is_installed = FALSE;
}
enumerator->destroy(enumerator);
if (current->used_by->get_count(current->used_by) > 0)
{ /* policy is used by more SAs, keep in kernel */
@@ -2629,6 +2651,7 @@ kernel_netlink_ipsec_t *kernel_netlink_ipsec_create()
.sas = hashtable_create((hashtable_hash_t)ipsec_sa_hash,
(hashtable_equals_t)ipsec_sa_equals, 32),
.mutex = mutex_create(MUTEX_TYPE_DEFAULT),
.policy_history = TRUE,
.install_routes = lib->settings->get_bool(lib->settings,
"%s.install_routes", TRUE, hydra->daemon),
.replay_window = lib->settings->get_int(lib->settings,
@@ -2641,6 +2664,8 @@ kernel_netlink_ipsec_t *kernel_netlink_ipsec_create()
if (streq(hydra->daemon, "pluto"))
{ /* no routes for pluto, they are installed via updown script */
this->install_routes = FALSE;
/* no policy history for pluto */
this->policy_history = FALSE;
}
/* disable lifetimes for allocated SPIs in kernel */