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Check rng return value when generating Transaction IDs in DHCP plugin

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This commit is contained in:
Tobias Brunner
2012-07-16 14:53:36 +02:00
committed by Martin Willi
parent 0159a54047
commit 7ae2671036
1 changed files with 5 additions and 1 deletions
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src/libcharon/plugins/dhcp/dhcp_socket.c
+5 -1
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@@ -366,7 +366,11 @@ METHOD(dhcp_socket_t, enroll, dhcp_transaction_t*,
u_int32_t id; u_int32_t id;
int try; int try;
this->rng->get_bytes(this->rng, sizeof(id), (u_int8_t*)&id); if (!this->rng->get_bytes(this->rng, sizeof(id), (u_int8_t*)&id))
{
DBG1(DBG_CFG, "DHCP DISCOVER failed, no transaction ID");
return NULL;
}
transaction = dhcp_transaction_create(id, identity); transaction = dhcp_transaction_create(id, identity);
this->mutex->lock(this->mutex); this->mutex->lock(this->mutex);