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authorYves-Alexis Perez <corsac@corsac.net>2017-05-30 20:59:31 +0200
committerYves-Alexis Perez <corsac@corsac.net>2017-05-30 20:59:31 +0200
commitbba25e2ff6c4a193acb54560ea4417537bd2954e (patch)
tree9e074fe343f9ab6f5ce1e9c5142d9a6cf180fcda /src/libcharon/sa/ikev1
parent05ddd767992d68bb38c7f16ece142e8c2e9ae016 (diff)
downloadvyos-strongswan-bba25e2ff6c4a193acb54560ea4417537bd2954e.tar.gz
vyos-strongswan-bba25e2ff6c4a193acb54560ea4417537bd2954e.zip
New upstream version 5.5.3
Diffstat (limited to 'src/libcharon/sa/ikev1')
-rw-r--r--src/libcharon/sa/ikev1/task_manager_v1.c31
-rw-r--r--src/libcharon/sa/ikev1/tasks/quick_mode.c37
2 files changed, 46 insertions, 22 deletions
diff --git a/src/libcharon/sa/ikev1/task_manager_v1.c b/src/libcharon/sa/ikev1/task_manager_v1.c
index 1da17ee50..48ec3e7f5 100644
--- a/src/libcharon/sa/ikev1/task_manager_v1.c
+++ b/src/libcharon/sa/ikev1/task_manager_v1.c
@@ -210,6 +210,16 @@ struct private_task_manager_t {
double retransmit_base;
/**
+ * Jitter to apply to calculated retransmit timeout (in percent)
+ */
+ u_int retransmit_jitter;
+
+ /**
+ * Limit retransmit timeout to this value
+ */
+ uint32_t retransmit_limit;
+
+ /**
* Sequence number for sending DPD requests
*/
uint32_t dpd_send;
@@ -345,7 +355,7 @@ static status_t retransmit_packet(private_task_manager_t *this, uint32_t seqnr,
u_int mid, u_int retransmitted, array_t *packets)
{
packet_t *packet;
- uint32_t t;
+ uint32_t t, max_jitter;
array_get(packets, 0, &packet);
if (retransmitted > this->retransmit_tries)
@@ -356,6 +366,15 @@ static status_t retransmit_packet(private_task_manager_t *this, uint32_t seqnr,
}
t = (uint32_t)(this->retransmit_timeout * 1000.0 *
pow(this->retransmit_base, retransmitted));
+ if (this->retransmit_limit)
+ {
+ t = min(t, this->retransmit_limit);
+ }
+ if (this->retransmit_jitter)
+ {
+ max_jitter = (t / 100.0) * this->retransmit_jitter;
+ t -= max_jitter * (random() / (RAND_MAX + 1.0));
+ }
if (retransmitted)
{
DBG1(DBG_IKE, "sending retransmit %u of %s message ID %u, seq %u",
@@ -2034,11 +2053,15 @@ task_manager_v1_t *task_manager_v1_create(ike_sa_t *ike_sa)
.active_tasks = linked_list_create(),
.passive_tasks = linked_list_create(),
.retransmit_tries = lib->settings->get_int(lib->settings,
- "%s.retransmit_tries", RETRANSMIT_TRIES, lib->ns),
+ "%s.retransmit_tries", RETRANSMIT_TRIES, lib->ns),
.retransmit_timeout = lib->settings->get_double(lib->settings,
- "%s.retransmit_timeout", RETRANSMIT_TIMEOUT, lib->ns),
+ "%s.retransmit_timeout", RETRANSMIT_TIMEOUT, lib->ns),
.retransmit_base = lib->settings->get_double(lib->settings,
- "%s.retransmit_base", RETRANSMIT_BASE, lib->ns),
+ "%s.retransmit_base", RETRANSMIT_BASE, lib->ns),
+ .retransmit_jitter = min(lib->settings->get_int(lib->settings,
+ "%s.retransmit_jitter", 0, lib->ns), RETRANSMIT_JITTER_MAX),
+ .retransmit_limit = lib->settings->get_int(lib->settings,
+ "%s.retransmit_limit", 0, lib->ns) * 1000,
);
if (!this->rng)
diff --git a/src/libcharon/sa/ikev1/tasks/quick_mode.c b/src/libcharon/sa/ikev1/tasks/quick_mode.c
index bbb885850..8be82ebe2 100644
--- a/src/libcharon/sa/ikev1/tasks/quick_mode.c
+++ b/src/libcharon/sa/ikev1/tasks/quick_mode.c
@@ -325,6 +325,17 @@ static bool install(private_quick_mode_t *this)
return FALSE;
}
+ if (this->initiator)
+ {
+ this->child_sa->set_policies(this->child_sa, tsi, tsr);
+ }
+ else
+ {
+ this->child_sa->set_policies(this->child_sa, tsr, tsi);
+ }
+ tsi->destroy_offset(tsi, offsetof(traffic_selector_t, destroy));
+ tsr->destroy_offset(tsr, offsetof(traffic_selector_t, destroy));
+
if (this->keymat->derive_child_keys(this->keymat, this->proposal, this->dh,
this->spi_i, this->spi_r, this->nonce_i, this->nonce_r,
&encr_i, &integ_i, &encr_r, &integ_r))
@@ -333,19 +344,19 @@ static bool install(private_quick_mode_t *this)
{
status_i = this->child_sa->install(this->child_sa,
encr_r, integ_r, this->spi_i, this->cpi_i,
- this->initiator, TRUE, FALSE, tsi, tsr);
+ this->initiator, TRUE, FALSE);
status_o = this->child_sa->install(this->child_sa,
encr_i, integ_i, this->spi_r, this->cpi_r,
- this->initiator, FALSE, FALSE, tsi, tsr);
+ this->initiator, FALSE, FALSE);
}
else
{
status_i = this->child_sa->install(this->child_sa,
encr_i, integ_i, this->spi_r, this->cpi_r,
- this->initiator, TRUE, FALSE, tsr, tsi);
+ this->initiator, TRUE, FALSE);
status_o = this->child_sa->install(this->child_sa,
encr_r, integ_r, this->spi_i, this->cpi_i,
- this->initiator, FALSE, FALSE, tsr, tsi);
+ this->initiator, FALSE, FALSE);
}
}
@@ -355,22 +366,12 @@ static bool install(private_quick_mode_t *this)
(status_i != SUCCESS) ? "inbound " : "",
(status_i != SUCCESS && status_o != SUCCESS) ? "and ": "",
(status_o != SUCCESS) ? "outbound " : "");
- tsi->destroy_offset(tsi, offsetof(traffic_selector_t, destroy));
- tsr->destroy_offset(tsr, offsetof(traffic_selector_t, destroy));
status = FAILED;
}
else
{
- if (this->initiator)
- {
- status = this->child_sa->add_policies(this->child_sa, tsi, tsr);
- }
- else
- {
- status = this->child_sa->add_policies(this->child_sa, tsr, tsi);
- }
- tsi->destroy_offset(tsi, offsetof(traffic_selector_t, destroy));
- tsr->destroy_offset(tsr, offsetof(traffic_selector_t, destroy));
+ status = this->child_sa->install_policies(this->child_sa);
+
if (status != SUCCESS)
{
DBG1(DBG_IKE, "unable to install IPsec policies (SPD) in kernel");
@@ -853,7 +854,7 @@ METHOD(task_t, build_i, status_t,
add_nat_oa_payloads(this, message);
}
- if (this->config->use_ipcomp(this->config))
+ if (this->config->has_option(this->config, OPT_IPCOMP))
{
this->cpi_i = this->child_sa->alloc_cpi(this->child_sa);
if (!this->cpi_i)
@@ -1108,7 +1109,7 @@ METHOD(task_t, process_r, status_t,
return send_notify(this, INVALID_ID_INFORMATION);
}
- if (this->config->use_ipcomp(this->config))
+ if (this->config->has_option(this->config, OPT_IPCOMP))
{
list = sa_payload->get_ipcomp_proposals(sa_payload,
&this->cpi_i);