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Implemented IPsec policies restricted to given network interface

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This commit is contained in:
Andreas Steffen
2016-04-09 16:51:02 +02:00
parent 7f57c4f9fb
commit c26e4330e7
8 changed files with 66 additions and 14 deletions
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src/libcharon/sa/shunt_manager.c
+16 -2
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@@ -68,6 +68,8 @@ static bool install_shunt_policy(child_cfg_t *child)
policy_type_t policy_type;
policy_priority_t policy_prio;
status_t status = SUCCESS;
uint32_t manual_prio;
char *interface;
ipsec_sa_cfg_t sa = { .mode = MODE_TRANSPORT };
switch (child->get_mode(child))
@@ -92,6 +94,9 @@ static bool install_shunt_policy(child_cfg_t *child)
other_ts_list = child->get_traffic_selectors(child, FALSE, NULL, hosts);
hosts->destroy(hosts);
manual_prio = child->get_manual_prio(child);
interface = child->get_interface(child);
/* enumerate pairs of traffic selectors */
e_my_ts = my_ts_list->create_enumerator(my_ts_list);
while (e_my_ts->enumerate(e_my_ts, &my_ts))
@@ -115,11 +120,12 @@ static bool install_shunt_policy(child_cfg_t *child)
.src_ts = my_ts,
.dst_ts = other_ts,
.mark = child->get_mark(child, FALSE),
.interface = interface,
};
kernel_ipsec_manage_policy_t policy = {
.type = policy_type,
.prio = policy_prio,
.manual_prio = child->get_manual_prio(child),
.manual_prio = manual_prio,
.src = host_any,
.dst = host_any,
.sa = &sa,
@@ -134,6 +140,7 @@ static bool install_shunt_policy(child_cfg_t *child)
.src_ts = other_ts,
.dst_ts = my_ts,
.mark = child->get_mark(child, TRUE),
.interface = interface,
};
status |= charon->kernel->add_policy(charon->kernel, &id, &policy);
/* install "inbound" forward policy */
@@ -215,6 +222,8 @@ static void uninstall_shunt_policy(child_cfg_t *child)
policy_type_t policy_type;
policy_priority_t policy_prio;
status_t status = SUCCESS;
uint32_t manual_prio;
char *interface;
ipsec_sa_cfg_t sa = { .mode = MODE_TRANSPORT };
switch (child->get_mode(child))
@@ -239,6 +248,9 @@ static void uninstall_shunt_policy(child_cfg_t *child)
other_ts_list = child->get_traffic_selectors(child, FALSE, NULL, hosts);
hosts->destroy(hosts);
manual_prio = child->get_manual_prio(child);
interface = child->get_interface(child);
/* enumerate pairs of traffic selectors */
e_my_ts = my_ts_list->create_enumerator(my_ts_list);
while (e_my_ts->enumerate(e_my_ts, &my_ts))
@@ -262,11 +274,12 @@ static void uninstall_shunt_policy(child_cfg_t *child)
.src_ts = my_ts,
.dst_ts = other_ts,
.mark = child->get_mark(child, FALSE),
.interface = interface,
};
kernel_ipsec_manage_policy_t policy = {
.type = policy_type,
.prio = policy_prio,
.manual_prio = child->get_manual_prio(child),
.manual_prio = manual_prio,
.src = host_any,
.dst = host_any,
.sa = &sa,
@@ -281,6 +294,7 @@ static void uninstall_shunt_policy(child_cfg_t *child)
.src_ts = other_ts,
.dst_ts = my_ts,
.mark = child->get_mark(child, TRUE),
.interface = interface,
};
status |= charon->kernel->del_policy(charon->kernel, &id, &policy);
/* uninstall "inbound" forward policy */