/**
* Network manager creates DHCPACK
*/
int NetworkManager::ack(const Client& client, uint32_t u32Xid,
uint8_t *pu8ReqList, int cReqList)
{
RTNETADDRIPV4 address;
prepareReplyPacket4Client(client, u32Xid);
Lease l = client.lease();
address = l.getAddress();
m->BootPReplyMsg.BootPHeader.bp_ciaddr = address;
/* rfc2131 4.3.1 is about DHCPDISCOVER and this value is equal to ciaddr from
* DHCPREQUEST or 0 ...
* XXX: Using addressHint is not correct way to initialize [cy]iaddress...
*/
m->BootPReplyMsg.BootPHeader.bp_ciaddr = address;
m->BootPReplyMsg.BootPHeader.bp_yiaddr = address;
Assert(m->BootPReplyMsg.BootPHeader.bp_yiaddr.u);
/* options:
* - IP address lease time (if DHCPREQUEST)
* - message type
* - server identifier
*/
RawOption opt;
RT_ZERO(opt);
std::vector<RawOption> extra;
opt.u8OptId = RTNET_DHCP_OPT_MSG_TYPE;
opt.au8RawOpt[0] = RTNET_DHCP_MT_ACK;
opt.cbRawOpt = 1;
extra.push_back(opt);
/*
* XXX: lease time should be conditional. If on dhcprequest then tim should be provided,
* else on dhcpinform it mustn't.
*/
opt.u8OptId = RTNET_DHCP_OPT_LEASE_TIME;
*(uint32_t *)opt.au8RawOpt = RT_H2N_U32(l.getExpiration());
opt.cbRawOpt = sizeof(RTNETADDRIPV4);
extra.push_back(opt);
processParameterReqList(client, pu8ReqList, cReqList, extra);
return doReply(client, extra);
}
