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-rw-r--r--src/charon/config/connections/local_connection_store.c2
-rw-r--r--src/charon/config/policies/policy.c25
-rw-r--r--src/charon/config/policies/policy.h36
-rw-r--r--src/charon/sa/child_sa.c5
-rw-r--r--src/charon/sa/child_sa.h8
-rw-r--r--src/charon/sa/ike_sa.c91
-rw-r--r--src/charon/sa/transactions/ike_auth.c7
-rwxr-xr-xsrc/charon/threads/stroke_interface.c2
-rw-r--r--src/starter/starterstroke.c2
-rw-r--r--src/stroke/stroke.c2
-rw-r--r--src/stroke/stroke.h2
11 files changed, 156 insertions, 26 deletions
diff --git a/src/charon/config/connections/local_connection_store.c b/src/charon/config/connections/local_connection_store.c
index 024754ee7..72265b5f0 100644
--- a/src/charon/config/connections/local_connection_store.c
+++ b/src/charon/config/connections/local_connection_store.c
@@ -126,7 +126,7 @@ static connection_t *get_connection_by_hosts(private_local_connection_store_t *t
host_t *found_my_host = found->get_my_host(found);
host_t *found_other_host = found->get_other_host(found);
- this->logger->log(this->logger, CONTROL,
+ this->logger->log(this->logger, CONTROL|LEVEL1,
"found matching connection \"%s\": %s...%s (prio=%d)",
found->get_name(found),
found_my_host->get_string(found_my_host),
diff --git a/src/charon/config/policies/policy.c b/src/charon/config/policies/policy.c
index 71fadbdfa..f64447a52 100644
--- a/src/charon/config/policies/policy.c
+++ b/src/charon/config/policies/policy.c
@@ -31,6 +31,13 @@
#include <utils/identification.h>
#include <utils/logger_manager.h>
+mapping_t dpd_action_m[] = {
+ {DPD_CLEAR, "DPD_CLEAR"},
+ {DPD_ROUTE, "DPD_ROUTE"},
+ {DPD_RESTART, "DPD_RESTART"},
+ {MAPPING_END, NULL},
+};
+
typedef struct private_policy_t private_policy_t;
/**
@@ -110,9 +117,9 @@ struct private_policy_t {
u_int32_t jitter;
/**
- * Should the SA get ROUTED when peer detected as dead?
+ * What to do with an SA when other peer seams to be dead?
*/
- bool dpd_route;
+ bool dpd_action;
/**
* logger
@@ -334,6 +341,15 @@ static char* get_updown(private_policy_t *this)
}
/**
+ * Implements policy_t.get_dpd_action
+ */
+static dpd_action_t get_dpd_action(private_policy_t *this)
+{
+ return this->dpd_action;
+}
+
+
+/**
* Implementation of policy_t.add_my_traffic_selector
*/
static void add_my_traffic_selector(private_policy_t *this, traffic_selector_t *traffic_selector)
@@ -446,7 +462,7 @@ static void destroy(private_policy_t *this)
*/
policy_t *policy_create(char *name, identification_t *my_id, identification_t *other_id,
u_int32_t hard_lifetime, u_int32_t soft_lifetime,
- u_int32_t jitter, char *updown, bool dpd_route)
+ u_int32_t jitter, char *updown, dpd_action_t dpd_action)
{
private_policy_t *this = malloc_thing(private_policy_t);
@@ -465,6 +481,7 @@ policy_t *policy_create(char *name, identification_t *my_id, identification_t *o
this->public.add_proposal = (void(*)(policy_t*,proposal_t*))add_proposal;
this->public.add_authorities = (void(*)(policy_t*,identification_t*, identification_t*))add_authorities;
this->public.get_updown = (char*(*)(policy_t*))get_updown;
+ this->public.get_dpd_action = (dpd_action_t(*)(policy_t*))get_dpd_action;
this->public.get_soft_lifetime = (u_int32_t (*) (policy_t *))get_soft_lifetime;
this->public.get_hard_lifetime = (u_int32_t (*) (policy_t *))get_hard_lifetime;
this->public.get_ref = (void(*)(policy_t*))get_ref;
@@ -478,7 +495,7 @@ policy_t *policy_create(char *name, identification_t *my_id, identification_t *o
this->soft_lifetime = soft_lifetime;
this->jitter = jitter;
this->updown = (updown == NULL) ? NULL : strdup(updown);
- this->dpd_route = dpd_route;
+ this->dpd_action = dpd_action;
/* initialize private members*/
this->refcount = 1;
diff --git a/src/charon/config/policies/policy.h b/src/charon/config/policies/policy.h
index 9505e53fd..18e6ad0fc 100644
--- a/src/charon/config/policies/policy.h
+++ b/src/charon/config/policies/policy.h
@@ -31,6 +31,30 @@
#include <encoding/payloads/auth_payload.h>
+typedef enum dpd_action_t dpd_action_t;
+
+/**
+ * @brief Actions to take when a peer does not respond (dead peer detected).
+ *
+ * These values are the same as in pluto/starter, so do not modify them!
+ *
+ * @ingroup config
+ */
+enum dpd_action_t {
+ /** remove CHILD_SA without replacement */
+ DPD_CLEAR = 1,
+ /** route the CHILD_SA to resetup when needed */
+ DPD_ROUTE = 2,
+ /** restart CHILD_SA in a new IKE_SA, immediately */
+ DPD_RESTART = 3,
+};
+
+/**
+ * String mappings for dpd_action_t
+ */
+mapping_t dpd_action_m[];
+
+
typedef struct policy_t policy_t;
/**
@@ -202,6 +226,14 @@ struct policy_t {
* @return path to updown script
*/
char* (*get_updown) (policy_t *this);
+
+ /**
+ * @brief What should be done with a CHILD_SA, when other peer does not respond.
+ *
+ * @param this calling object
+ * @return dpd action
+ */
+ dpd_action_t (*get_dpd_action) (policy_t *this);
/**
* @brief Get the lifetime of a policy, before rekeying starts.
@@ -264,7 +296,7 @@ struct policy_t {
* @param soft_lifetime lifetime before rekeying an SA
* @param jitter range of randomization time
* @param updown updown script to execute on up/down event
- * @param dpd_route should the connection go to routed state if DPD detected?
+ * @param dpd_action what to to with a CHILD_SA when other peer does not respond
* @return policy_t object
*
* @ingroup config
@@ -272,6 +304,6 @@ struct policy_t {
policy_t *policy_create(char *name,
identification_t *my_id, identification_t *other_id,
u_int32_t hard_lifetime, u_int32_t soft_lifetime,
- u_int32_t jitter, char *updown, bool dpd_route);
+ u_int32_t jitter, char *updown, dpd_action_t dpd_action);
#endif /* POLICY_H_ */
diff --git a/src/charon/sa/child_sa.c b/src/charon/sa/child_sa.c
index 2e8155678..8a7e64ac4 100644
--- a/src/charon/sa/child_sa.c
+++ b/src/charon/sa/child_sa.c
@@ -157,6 +157,11 @@ struct private_child_sa_t {
* Specifies if NAT traversal is used
*/
bool use_natt;
+
+ /**
+ * Specifies if CHILD_SA goes to ROUTED state if DPD detected
+ */
+ bool stays_routed;
/**
* CHILD_SAs own logger
diff --git a/src/charon/sa/child_sa.h b/src/charon/sa/child_sa.h
index abba8e4a0..5129ffe6a 100644
--- a/src/charon/sa/child_sa.h
+++ b/src/charon/sa/child_sa.h
@@ -197,8 +197,8 @@ struct child_sa_t {
* @param other_diff differences to apply for other
* @return SUCCESS or FAILED
*/
- status_t (*update_hosts) (child_sa_t *this, host_t *new_me, host_t *new_other,
- host_diff_t my_diff, host_diff_t other_diff);
+ status_t (*update_hosts)(child_sa_t *this, host_t *new_me, host_t *new_other,
+ host_diff_t my_diff, host_diff_t other_diff);
/**
* @brief Install the policies using some traffic selectors.
@@ -211,7 +211,9 @@ struct child_sa_t {
* @param other_ts traffic selectors for remote site
* @return SUCCESS or FAILED
*/
- status_t (*add_policies) (child_sa_t *this, linked_list_t *my_ts_list, linked_list_t *other_ts_list);
+ status_t (*add_policies)(child_sa_t *this,
+ linked_list_t *my_ts_list,
+ linked_list_t *other_ts_list);
/**
* @brief Get the traffic selectors of added policies of local host.
diff --git a/src/charon/sa/ike_sa.c b/src/charon/sa/ike_sa.c
index 6488cc20c..c5d3a63cd 100644
--- a/src/charon/sa/ike_sa.c
+++ b/src/charon/sa/ike_sa.c
@@ -55,6 +55,8 @@
#include <queues/jobs/send_dpd_job.h>
#include <queues/jobs/send_keepalive_job.h>
#include <queues/jobs/rekey_ike_sa_job.h>
+#include <queues/jobs/route_job.h>
+#include <queues/jobs/initiate_job.h>
/**
* String mappings for ike_sa_state_t.
@@ -426,6 +428,80 @@ static void update_hosts(private_ike_sa_t *this, host_t *me, host_t *other)
}
/**
+ * called when the peer is not responding anymore
+ */
+static void dpd_detected(private_ike_sa_t *this)
+{
+ /* check for childrens with dpdaction=hold */
+ connection_t *connection = NULL;
+ policy_t *policy;
+ linked_list_t *my_ts, *other_ts;
+ child_sa_t* child_sa;
+ dpd_action_t action;
+ job_t *job;
+
+ this->logger->log(this->logger, CONTROL|LEVEL1,
+ "dead peer detected, handling CHILD_SAs dpd action");
+
+ while(this->child_sas->remove_first(this->child_sas,
+ (void**)&child_sa) == SUCCESS)
+ {
+ /* get the policy which belongs to this CHILD */
+ my_ts = child_sa->get_my_traffic_selectors(child_sa);
+ other_ts = child_sa->get_other_traffic_selectors(child_sa);
+ policy = charon->policies->get_policy(charon->policies,
+ this->my_id, this->other_id,
+ my_ts, other_ts,
+ this->my_host, this->other_host);
+ if (policy == NULL)
+ {
+ this->logger->log(this->logger, ERROR,
+ "no policy found for this CHILD_SA");
+ continue;
+ }
+
+ action = policy->get_dpd_action(policy);
+ /* get a connection for further actions */
+ if (connection == NULL &&
+ (action == DPD_ROUTE || action == DPD_RESTART))
+ {
+ connection = charon->connections->get_connection_by_hosts(
+ charon->connections,
+ this->my_host, this->other_host);
+ if (connection == NULL)
+ {
+ this->logger->log(this->logger, ERROR,
+ "no connection found for this IKE_SA");
+ break;
+ }
+ }
+
+ this->logger->log(this->logger, CONTROL, "dpd action for %s is %s",
+ policy->get_name(policy),
+ mapping_find(dpd_action_m, action));
+
+ switch (action)
+ {
+ case DPD_ROUTE:
+ connection->get_ref(connection);
+ job = (job_t*)route_job_create(connection, policy, TRUE);
+ charon->job_queue->add(charon->job_queue, job);
+ break;
+ case DPD_RESTART:
+ connection->get_ref(connection);
+ job = (job_t*)initiate_job_create(connection, policy);
+ charon->job_queue->add(charon->job_queue, job);
+ break;
+ default:
+ policy->destroy(policy);
+ break;
+ }
+ child_sa->destroy(child_sa);
+ }
+ DESTROY_IF(connection);
+}
+
+/**
* send a request and schedule retransmission
*/
static status_t transmit_request(private_ike_sa_t *this)
@@ -439,20 +515,16 @@ static status_t transmit_request(private_ike_sa_t *this)
transaction_t *transaction = this->transaction_out;
u_int32_t message_id;
-
- this->logger->log(this->logger, CONTROL,
- "transmitting request");
-
transmitted = transaction->requested(transaction);
timeout = charon->configuration->get_retransmit_timeout(charon->configuration,
transmitted,
this->retrans_sequences);
if (timeout == 0)
{
- /* giving up. TODO: check for childrens with dpdaction=hold */
this->logger->log(this->logger, ERROR,
"giving up after %d retransmits, deleting IKE_SA",
transmitted - 1);
+ dpd_detected(this);
return DESTROY_ME;
}
@@ -502,8 +574,6 @@ static status_t retransmit_request(private_ike_sa_t *this, u_int32_t message_id)
if (this->transaction_out == NULL ||
this->transaction_out->get_message_id(this->transaction_out) != message_id)
{
- if (this->transaction_out)
- printf("trans_out->mid = %d, mid = %d\n", this->transaction_out->get_message_id(this->transaction_out), message_id);
/* no retransmit necessary, transaction did already complete */
return SUCCESS;
}
@@ -925,7 +995,7 @@ static status_t acquire(private_ike_sa_t *this, u_int32_t reqid)
{
if (current->get_reqid(current) == reqid)
{
- iterator->remove(iterator);
+ //iterator->remove(iterator);
child_sa = current;
break;
}
@@ -945,7 +1015,7 @@ static status_t acquire(private_ike_sa_t *this, u_int32_t reqid)
this->my_id, this->other_id,
my_ts, other_ts,
this->my_host, this->other_host);
- child_sa->destroy(child_sa);
+ //child_sa->destroy(child_sa);
if (policy == NULL)
{
this->logger->log(this->logger, ERROR,
@@ -1128,7 +1198,8 @@ static status_t route(private_ike_sa_t *this, connection_t *connection, policy_t
return FAILED;
}
- child_sa = child_sa_create(0, this->my_host, this->other_host, 0, 0, FALSE);
+ child_sa = child_sa_create(0, this->my_host, this->other_host,
+ 0, 0, FALSE);
child_sa->set_name(child_sa, policy->get_name(policy));
my_ts = policy->get_my_traffic_selectors(policy, this->my_host);
other_ts = policy->get_other_traffic_selectors(policy, this->other_host);
diff --git a/src/charon/sa/transactions/ike_auth.c b/src/charon/sa/transactions/ike_auth.c
index 1d15daebb..0632fe421 100644
--- a/src/charon/sa/transactions/ike_auth.c
+++ b/src/charon/sa/transactions/ike_auth.c
@@ -312,12 +312,15 @@ static status_t get_request(private_ike_auth_t *this, message_t **result)
linked_list_t *proposal_list;
sa_payload_t *sa_payload;
u_int32_t soft_lifetime, hard_lifetime;
+ bool enable_natt;
proposal_list = this->policy->get_proposals(this->policy);
soft_lifetime = this->policy->get_soft_lifetime(this->policy);
hard_lifetime = this->policy->get_hard_lifetime(this->policy);
- this->child_sa = child_sa_create(this->reqid, me, other, soft_lifetime, hard_lifetime,
- this->ike_sa->is_natt_enabled(this->ike_sa));
+ enable_natt = this->ike_sa->is_natt_enabled(this->ike_sa);
+ this->child_sa = child_sa_create(this->reqid, me, other,
+ soft_lifetime, hard_lifetime,
+ enable_natt);
this->child_sa->set_name(this->child_sa, this->policy->get_name(this->policy));
if (this->child_sa->alloc(this->child_sa, proposal_list) != SUCCESS)
{
diff --git a/src/charon/threads/stroke_interface.c b/src/charon/threads/stroke_interface.c
index 55a3b79c3..b8bdd5a99 100755
--- a/src/charon/threads/stroke_interface.c
+++ b/src/charon/threads/stroke_interface.c
@@ -412,7 +412,7 @@ static void stroke_add_conn(private_stroke_t *this, stroke_msg_t *msg)
msg->add_conn.rekey.ipsec_lifetime,
msg->add_conn.rekey.ipsec_lifetime - msg->add_conn.rekey.margin,
msg->add_conn.rekey.margin * msg->add_conn.rekey.fuzz / 100,
- msg->add_conn.me.updown, msg->add_conn.dpd.route);
+ msg->add_conn.me.updown, msg->add_conn.dpd.action);
policy->add_my_traffic_selector(policy, my_ts);
policy->add_other_traffic_selector(policy, other_ts);
policy->add_authorities(policy, my_ca, other_ca);
diff --git a/src/starter/starterstroke.c b/src/starter/starterstroke.c
index 32866be05..e54931ad5 100644
--- a/src/starter/starterstroke.c
+++ b/src/starter/starterstroke.c
@@ -181,7 +181,7 @@ int starter_stroke_add_conn(starter_conn_t *conn)
msg.add_conn.algorithms.ike = push_string(&msg, conn->ike);
msg.add_conn.algorithms.esp = push_string(&msg, conn->esp);
msg.add_conn.dpd.delay = conn->dpd_delay;
- msg.add_conn.dpd.route = conn->dpd_action == DPD_ACTION_HOLD ? 1 : 0;
+ msg.add_conn.dpd.action = conn->dpd_action;
starter_stroke_add_end(&msg, &msg.add_conn.me, &conn->right);
starter_stroke_add_end(&msg, &msg.add_conn.other, &conn->left);
diff --git a/src/stroke/stroke.c b/src/stroke/stroke.c
index 03a5ca245..6ca07a8e5 100644
--- a/src/stroke/stroke.c
+++ b/src/stroke/stroke.c
@@ -117,7 +117,7 @@ static int add_connection(char *name,
msg.add_conn.algorithms.esp = NULL;
msg.add_conn.dpd.delay = 0;
- msg.add_conn.dpd.route = 0;
+ msg.add_conn.dpd.action = 1;
msg.add_conn.me.id = push_string(&msg, my_id);
msg.add_conn.me.address = push_string(&msg, my_addr);
diff --git a/src/stroke/stroke.h b/src/stroke/stroke.h
index 320284229..39a529c60 100644
--- a/src/stroke/stroke.h
+++ b/src/stroke/stroke.h
@@ -147,7 +147,7 @@ struct stroke_msg_t {
} rekey;
struct {
time_t delay;
- bool route;
+ int action;
} dpd;
stroke_end_t me, other;
} add_conn;
generated by cgit v1.2.3 (git 2.25.1) at 2025-09-13 11:01:39 +0000