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dhcp: Ignore DHCP OFFER messages without assigned address

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FreeRADIUS seems to respond that way if it can't allocate an address to
the client.
This commit is contained in:
Tobias Brunner 2018-10-16 12:07:05 +02:00
parent 6e9cfe9751
commit ce381883a1
1 changed files with 10 additions and 0 deletions
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10
src/libcharon/plugins/dhcp/dhcp_socket.c
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@ -489,6 +489,16 @@ static void handle_offer(private_dhcp_socket_t *this, dhcp_t *dhcp, int optlen)
offer = host_create_from_chunk(AF_INET,
chunk_from_thing(dhcp->your_address), 0);
if (offer->is_anyaddr(offer))
{
server = host_create_from_chunk(AF_INET,
chunk_from_thing(dhcp->server_address), 0);
DBG1(DBG_CFG, "ignoring DHCP OFFER %+H from %H", offer, server);
server->destroy(server);
offer->destroy(offer);
return;
}
this->mutex->lock(this->mutex);
enumerator = this->discover->create_enumerator(this->discover);
while (enumerator->enumerate(enumerator, &transaction))