enum dhcpv4_msg msg, const uint8_t *mac, struct in_addr reqaddr,
const char *hostname);
-// Magic option for hnet internal (4B enterprise ID, 1B data-len, 1B subopt-code, 1B subopt-len)
-static uint8_t hnet_internal_data[7] = {0x00, 0x00, 0x76, 0xfe, 2, 1, 0};
-
// Create socket and register events
int init_dhcpv4(void)
{
} else if (opt->type == DHCPV4_OPT_SERVERID && opt->len == 4) {
if (memcmp(opt->data, &ifaddr.sin_addr, 4))
return;
- } else if (opt->type == DHCPV4_OPT_VENDOR_SPECIFIC_INFORMATION &&
- opt->len == sizeof(hnet_internal_data)) {
- if (!memcmp(opt->data, hnet_internal_data, sizeof(hnet_internal_data)))
- return; // Ignoring hnet internal routers
+ } else if (iface->filter_class && opt->type == DHCPV4_OPT_USER_CLASS) {
+ uint8_t *c = opt->data, *cend = &opt->data[opt->len];
+ for (; c < cend && &c[*c] < cend; c = &c[1 + *c]) {
+ size_t elen = strlen(iface->filter_class);
+ if (*c == elen && !memcmp(&c[1], iface->filter_class, elen))
+ return; // Ignore from homenet
+ }
}
}