ER get_dhcp_addr(DHCP *dhcp)
{
dhcp_discover(dhcp);
if(dhcp_offer(dhcp) < 0){
syslog(LOG_NOTICE, "DHCP Offer error");
return E_SYS;
}
dhcp_request(dhcp);
if(dhcp_ack(dhcp) < 0){
syslog(LOG_NOTICE, "DHCP Ack error");
return E_SYS;
}
return E_OK;
}
void dhcp_discover()
{
if (next_state != DISCOVER) {
fprintf(err, "State is not DISCOVER!\n");
return;
}
fprintf(err, "dhcp_discover()...\n");
generate_xid();
renew = 0;
int len;
struct dhcp_packet *packet = make_packet(&len);
send_packet((char*)packet, len);
free(packet);
next_state = OFFER;
dhcp_offer();
}
