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Check if we have an RNG for IKEv1 task manager before using it

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This commit is contained in:
Martin Willi
2012-03-20 17:31:35 +01:00
parent 31689338d6
commit 3fca5bd123
1 changed files with 9 additions and 9 deletions
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src/libcharon/sa/ikev1/task_manager_v1.c
+7 -7
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@@ -334,12 +334,6 @@ METHOD(task_manager_t, initiate, status_t,
exchange_type_t exchange = EXCHANGE_TYPE_UNDEFINED; exchange_type_t exchange = EXCHANGE_TYPE_UNDEFINED;
bool new_mid = FALSE, expect_response = FALSE, flushed = FALSE; bool new_mid = FALSE, expect_response = FALSE, flushed = FALSE;
if (!this->rng)
{
DBG1(DBG_IKE, "no RNG supported");
return FAILED;
}
if (this->initiating.type != EXCHANGE_TYPE_UNDEFINED) if (this->initiating.type != EXCHANGE_TYPE_UNDEFINED)
{ {
DBG2(DBG_IKE, "delaying task initiation, %N exchange in progress", DBG2(DBG_IKE, "delaying task initiation, %N exchange in progress",
@@ -1482,9 +1476,15 @@ task_manager_v1_t *task_manager_v1_create(ike_sa_t *ike_sa)
"charon.retransmit_base", RETRANSMIT_BASE), "charon.retransmit_base", RETRANSMIT_BASE),
); );
if (!this->rng)
{
DBG1(DBG_IKE, "no RNG found, unable to create IKE_SA");
destroy(this);
return NULL;
}
this->rng->get_bytes(this->rng, sizeof(this->dpd_send_seqnr), this->rng->get_bytes(this->rng, sizeof(this->dpd_send_seqnr),
(void*)&this->dpd_send_seqnr); (void*)&this->dpd_send_seqnr);
this->dpd_send_seqnr &= 0x7FFFFFFF; this->dpd_send_seqnr &= 0x7FFFFFFF;
return &this->public; return &this->public;