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-rw-r--r--src/libcharon/plugins/ha/ha_child.c4
-rw-r--r--src/libcharon/plugins/ha/ha_dispatcher.c5
-rw-r--r--src/libcharon/plugins/ha/ha_message.c2
-rw-r--r--src/libcharon/plugins/ha/ha_message.h2
4 files changed, 13 insertions, 0 deletions
diff --git a/src/libcharon/plugins/ha/ha_child.c b/src/libcharon/plugins/ha/ha_child.c
index 1a9425423..707add94d 100644
--- a/src/libcharon/plugins/ha/ha_child.c
+++ b/src/libcharon/plugins/ha/ha_child.c
@@ -91,6 +91,10 @@ METHOD(listener_t, child_keys, bool,
{
m->add_attribute(m, HA_ALG_INTEG, alg);
}
+ if (proposal->get_algorithm(proposal, EXTENDED_SEQUENCE_NUMBERS, &alg, NULL))
+ {
+ m->add_attribute(m, HA_ESN, alg);
+ }
m->add_attribute(m, HA_NONCE_I, nonce_i);
m->add_attribute(m, HA_NONCE_R, nonce_r);
if (dh && dh->get_shared_secret(dh, &secret) == SUCCESS)
diff --git a/src/libcharon/plugins/ha/ha_dispatcher.c b/src/libcharon/plugins/ha/ha_dispatcher.c
index 85dc0f4a4..0d0df8dd1 100644
--- a/src/libcharon/plugins/ha/ha_dispatcher.c
+++ b/src/libcharon/plugins/ha/ha_dispatcher.c
@@ -462,6 +462,7 @@ static void process_child_add(private_ha_dispatcher_t *this,
u_int16_t inbound_cpi = 0, outbound_cpi = 0;
u_int8_t mode = MODE_TUNNEL, ipcomp = 0;
u_int16_t encr = ENCR_UNDEFINED, integ = AUTH_UNDEFINED, len = 0;
+ u_int16_t esn = NO_EXT_SEQ_NUMBERS;
u_int seg_i, seg_o;
chunk_t nonce_i = chunk_empty, nonce_r = chunk_empty, secret = chunk_empty;
chunk_t encr_i, integ_i, encr_r, integ_r;
@@ -512,6 +513,9 @@ static void process_child_add(private_ha_dispatcher_t *this,
case HA_ALG_INTEG:
integ = value.u16;
break;
+ case HA_ESN:
+ esn = value.u16;
+ break;
case HA_NONCE_I:
nonce_i = value.chunk;
break;
@@ -558,6 +562,7 @@ static void process_child_add(private_ha_dispatcher_t *this,
{
proposal->add_algorithm(proposal, ENCRYPTION_ALGORITHM, encr, len);
}
+ proposal->add_algorithm(proposal, EXTENDED_SEQUENCE_NUMBERS, esn, 0);
keymat = ike_sa->get_keymat(ike_sa);
if (!keymat->derive_child_keys(keymat, proposal, secret.ptr ? &dh : NULL,
diff --git a/src/libcharon/plugins/ha/ha_message.c b/src/libcharon/plugins/ha/ha_message.c
index 7ce9cbe09..f98f78dd4 100644
--- a/src/libcharon/plugins/ha/ha_message.c
+++ b/src/libcharon/plugins/ha/ha_message.c
@@ -234,6 +234,7 @@ METHOD(ha_message_t, add_attribute, void,
case HA_INBOUND_CPI:
case HA_OUTBOUND_CPI:
case HA_SEGMENT:
+ case HA_ESN:
{
u_int16_t val;
@@ -447,6 +448,7 @@ METHOD(enumerator_t, attribute_enumerate, bool,
case HA_INBOUND_CPI:
case HA_OUTBOUND_CPI:
case HA_SEGMENT:
+ case HA_ESN:
{
if (this->buf.len < sizeof(u_int16_t))
{
diff --git a/src/libcharon/plugins/ha/ha_message.h b/src/libcharon/plugins/ha/ha_message.h
index 50e11830f..1f8eabd62 100644
--- a/src/libcharon/plugins/ha/ha_message.h
+++ b/src/libcharon/plugins/ha/ha_message.h
@@ -140,6 +140,8 @@ enum ha_message_attribute_t {
HA_MID,
/** u_int16_t, HA segment */
HA_SEGMENT,
+ /** u_int16_t, Extended Sequence numbers */
+ HA_ESN,
};
/**