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-rw-r--r--src/libcharon/sa/ikev2/tasks/child_create.c9
-rw-r--r--src/libcharon/sa/ikev2/tasks/child_delete.c4
-rw-r--r--src/libcharon/sa/ikev2/tasks/child_rekey.c37
-rw-r--r--src/libcharon/sa/ikev2/tasks/ike_auth.c68
-rw-r--r--src/libcharon/sa/ikev2/tasks/ike_dpd.c10
5 files changed, 78 insertions, 50 deletions
diff --git a/src/libcharon/sa/ikev2/tasks/child_create.c b/src/libcharon/sa/ikev2/tasks/child_create.c
index eb3972c29..32c0e8c4a 100644
--- a/src/libcharon/sa/ikev2/tasks/child_create.c
+++ b/src/libcharon/sa/ikev2/tasks/child_create.c
@@ -18,6 +18,7 @@
#include "child_create.h"
#include <daemon.h>
+#include <hydra.h>
#include <sa/ikev2/keymat_v2.h>
#include <crypto/diffie_hellman.h>
#include <credentials/certificates/x509.h>
@@ -615,6 +616,7 @@ static void build_payloads(private_child_create_t *this, message_t *message)
nonce_payload_t *nonce_payload;
ke_payload_t *ke_payload;
ts_payload_t *ts_payload;
+ kernel_feature_t features;
/* add SA payload */
if (this->initiator)
@@ -661,6 +663,13 @@ static void build_payloads(private_child_create_t *this, message_t *message)
default:
break;
}
+
+ features = hydra->kernel_interface->get_features(hydra->kernel_interface);
+ if (!(features & KERNEL_ESP_V3_TFC))
+ {
+ message->add_notify(message, FALSE, ESP_TFC_PADDING_NOT_SUPPORTED,
+ chunk_empty);
+ }
}
/**
diff --git a/src/libcharon/sa/ikev2/tasks/child_delete.c b/src/libcharon/sa/ikev2/tasks/child_delete.c
index 644af782c..8652942ad 100644
--- a/src/libcharon/sa/ikev2/tasks/child_delete.c
+++ b/src/libcharon/sa/ikev2/tasks/child_delete.c
@@ -264,8 +264,8 @@ static void log_children(private_child_delete_t *this)
}
else
{
- child_sa->get_usestats(child_sa, TRUE, NULL, &bytes_in);
- child_sa->get_usestats(child_sa, FALSE, NULL, &bytes_out);
+ child_sa->get_usestats(child_sa, TRUE, NULL, &bytes_in, NULL);
+ child_sa->get_usestats(child_sa, FALSE, NULL, &bytes_out, NULL);
DBG0(DBG_IKE, "closing CHILD_SA %s{%d} with SPIs %.8x_i "
"(%llu bytes) %.8x_o (%llu bytes) and TS %#R=== %#R",
diff --git a/src/libcharon/sa/ikev2/tasks/child_rekey.c b/src/libcharon/sa/ikev2/tasks/child_rekey.c
index f8c2ed141..262cb10e0 100644
--- a/src/libcharon/sa/ikev2/tasks/child_rekey.c
+++ b/src/libcharon/sa/ikev2/tasks/child_rekey.c
@@ -87,6 +87,24 @@ struct private_child_rekey_t {
};
/**
+ * Schedule a retry if rekeying temporary failed
+ */
+static void schedule_delayed_rekey(private_child_rekey_t *this)
+{
+ u_int32_t retry;
+ job_t *job;
+
+ retry = RETRY_INTERVAL - (random() % RETRY_JITTER);
+ job = (job_t*)rekey_child_sa_job_create(
+ this->child_sa->get_reqid(this->child_sa),
+ this->child_sa->get_protocol(this->child_sa),
+ this->child_sa->get_spi(this->child_sa, TRUE));
+ DBG1(DBG_IKE, "CHILD_SA rekeying failed, trying again in %d seconds", retry);
+ this->child_sa->set_state(this->child_sa, CHILD_INSTALLED);
+ lib->scheduler->schedule_job(lib->scheduler, job, retry);
+}
+
+/**
* Implementation of task_t.build for initiator, after rekeying
*/
static status_t build_i_delete(private_child_rekey_t *this, message_t *message)
@@ -166,8 +184,13 @@ METHOD(task_t, build_i, status_t,
}
reqid = this->child_sa->get_reqid(this->child_sa);
this->child_create->use_reqid(this->child_create, reqid);
- this->child_create->task.build(&this->child_create->task, message);
+ if (this->child_create->task.build(&this->child_create->task,
+ message) != NEED_MORE)
+ {
+ schedule_delayed_rekey(this);
+ return FAILED;
+ }
this->child_sa->set_state(this->child_sa, CHILD_REKEYING);
return NEED_MORE;
@@ -316,17 +339,7 @@ METHOD(task_t, process_i, status_t,
if (!(this->collision &&
this->collision->get_type(this->collision) == TASK_CHILD_DELETE))
{
- job_t *job;
- u_int32_t retry = RETRY_INTERVAL - (random() % RETRY_JITTER);
-
- job = (job_t*)rekey_child_sa_job_create(
- this->child_sa->get_reqid(this->child_sa),
- this->child_sa->get_protocol(this->child_sa),
- this->child_sa->get_spi(this->child_sa, TRUE));
- DBG1(DBG_IKE, "CHILD_SA rekeying failed, "
- "trying again in %d seconds", retry);
- this->child_sa->set_state(this->child_sa, CHILD_INSTALLED);
- lib->scheduler->schedule_job(lib->scheduler, job, retry);
+ schedule_delayed_rekey(this);
}
return SUCCESS;
}
diff --git a/src/libcharon/sa/ikev2/tasks/ike_auth.c b/src/libcharon/sa/ikev2/tasks/ike_auth.c
index 70efcd7af..942f97cf5 100644
--- a/src/libcharon/sa/ikev2/tasks/ike_auth.c
+++ b/src/libcharon/sa/ikev2/tasks/ike_auth.c
@@ -223,6 +223,18 @@ static auth_cfg_t *get_auth_cfg(private_ike_auth_t *this, bool local)
}
/**
+ * Move the currently active auth config to the auth configs completed
+ */
+static void apply_auth_cfg(private_ike_auth_t *this, bool local)
+{
+ auth_cfg_t *cfg;
+
+ cfg = auth_cfg_create();
+ cfg->merge(cfg, this->ike_sa->get_auth_cfg(this->ike_sa, local), local);
+ this->ike_sa->add_auth_cfg(this->ike_sa, local, cfg);
+}
+
+/**
* Check if we have should initiate another authentication round
*/
static bool do_another_auth(private_ike_auth_t *this)
@@ -307,7 +319,7 @@ static bool update_cfg_candidates(private_ike_auth_t *this, bool strict)
{
if (this->peer_cfg)
{
- bool complies = TRUE;
+ char *comply_error = NULL;
enumerator_t *e1, *e2, *tmp;
auth_cfg_t *c1, *c2;
@@ -324,22 +336,30 @@ static bool update_cfg_candidates(private_ike_auth_t *this, bool strict)
while (e1->enumerate(e1, &c1))
{
/* check if done authentications comply to configured ones */
- if ((!e2->enumerate(e2, &c2)) ||
- (!strict && !c1->complies(c1, c2, TRUE)) ||
- (strict && !c2->complies(c2, c1, TRUE)))
+ if (!e2->enumerate(e2, &c2))
+ {
+ comply_error = "insufficient authentication rounds";
+ break;
+ }
+ if (!strict && !c1->complies(c1, c2, TRUE))
{
- complies = FALSE;
+ comply_error = "non-matching authentication done";
+ break;
+ }
+ if (strict && !c2->complies(c2, c1, TRUE))
+ {
+ comply_error = "constraint checking failed";
break;
}
}
e1->destroy(e1);
e2->destroy(e2);
- if (complies)
+ if (!comply_error)
{
break;
}
- DBG1(DBG_CFG, "selected peer config '%s' inacceptable",
- this->peer_cfg->get_name(this->peer_cfg));
+ DBG1(DBG_CFG, "selected peer config '%s' inacceptable: %s",
+ this->peer_cfg->get_name(this->peer_cfg), comply_error);
this->peer_cfg->destroy(this->peer_cfg);
}
if (this->candidates->remove_first(this->candidates,
@@ -464,10 +484,7 @@ METHOD(task_t, build_i, status_t,
switch (this->my_auth->build(this->my_auth, message))
{
case SUCCESS:
- /* authentication step complete, reset authenticator */
- cfg = auth_cfg_create();
- cfg->merge(cfg, this->ike_sa->get_auth_cfg(this->ike_sa, TRUE), TRUE);
- this->ike_sa->add_auth_cfg(this->ike_sa, TRUE, cfg);
+ apply_auth_cfg(this, TRUE);
this->my_auth->destroy(this->my_auth);
this->my_auth = NULL;
break;
@@ -640,10 +657,7 @@ METHOD(task_t, process_r, status_t,
return NEED_MORE;
}
- /* store authentication information */
- cfg = auth_cfg_create();
- cfg->merge(cfg, this->ike_sa->get_auth_cfg(this->ike_sa, FALSE), FALSE);
- this->ike_sa->add_auth_cfg(this->ike_sa, FALSE, cfg);
+ apply_auth_cfg(this, FALSE);
if (!update_cfg_candidates(this, FALSE))
{
@@ -778,10 +792,7 @@ METHOD(task_t, build_r, status_t,
switch (this->my_auth->build(this->my_auth, message))
{
case SUCCESS:
- cfg = auth_cfg_create();
- cfg->merge(cfg, this->ike_sa->get_auth_cfg(this->ike_sa, TRUE),
- TRUE);
- this->ike_sa->add_auth_cfg(this->ike_sa, TRUE, cfg);
+ apply_auth_cfg(this, TRUE);
this->my_auth->destroy(this->my_auth);
this->my_auth = NULL;
break;
@@ -969,10 +980,10 @@ METHOD(task_t, process_i, status_t,
goto peer_auth_failed;
}
- /* store authentication information, reset authenticator */
- cfg = auth_cfg_create();
- cfg->merge(cfg, this->ike_sa->get_auth_cfg(this->ike_sa, FALSE), FALSE);
- this->ike_sa->add_auth_cfg(this->ike_sa, FALSE, cfg);
+ if (!mutual_eap)
+ {
+ apply_auth_cfg(this, FALSE);
+ }
}
if (this->my_auth)
@@ -980,10 +991,11 @@ METHOD(task_t, process_i, status_t,
switch (this->my_auth->process(this->my_auth, message))
{
case SUCCESS:
- cfg = auth_cfg_create();
- cfg->merge(cfg, this->ike_sa->get_auth_cfg(this->ike_sa, TRUE),
- TRUE);
- this->ike_sa->add_auth_cfg(this->ike_sa, TRUE, cfg);
+ apply_auth_cfg(this, TRUE);
+ if (this->my_auth->is_mutual(this->my_auth))
+ {
+ apply_auth_cfg(this, FALSE);
+ }
this->my_auth->destroy(this->my_auth);
this->my_auth = NULL;
this->do_another_auth = do_another_auth(this);
diff --git a/src/libcharon/sa/ikev2/tasks/ike_dpd.c b/src/libcharon/sa/ikev2/tasks/ike_dpd.c
index 28ccc2efe..7a33f7938 100644
--- a/src/libcharon/sa/ikev2/tasks/ike_dpd.c
+++ b/src/libcharon/sa/ikev2/tasks/ike_dpd.c
@@ -37,12 +37,6 @@ METHOD(task_t, return_need_more, status_t,
return NEED_MORE;
}
-METHOD(task_t, return_success, status_t,
- private_ike_dpd_t *this, message_t *message)
-{
- return SUCCESS;
-}
-
METHOD(task_t, get_type, task_type_t,
private_ike_dpd_t *this)
{
@@ -82,11 +76,11 @@ ike_dpd_t *ike_dpd_create(bool initiator)
if (initiator)
{
this->public.task.build = _return_need_more;
- this->public.task.process = _return_success;
+ this->public.task.process = (void*)return_success;
}
else
{
- this->public.task.build = _return_success;
+ this->public.task.build = (void*)return_success;
this->public.task.process = _return_need_more;
}