diff options
Diffstat (limited to 'src/dhcpv6.c')
| -rw-r--r-- | src/dhcpv6.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/dhcpv6.c b/src/dhcpv6.c index 9b802c4..bf48d78 100644 --- a/src/dhcpv6.c +++ b/src/dhcpv6.c @@ -22,6 +22,8 @@ #include "odhcpd.h" #include "dhcpv6.h" +static const char *excluded_class = "HOMENET"; + static void relay_client_request(struct sockaddr_in6 *source, const void *data, size_t len, struct interface *iface); @@ -275,6 +277,13 @@ static void handle_client_request(void *addr, void *data, size_t len, if (olen != ntohs(dest.serverid_length) || memcmp(odata, &dest.duid_type, olen)) return; // Not for us + } else if (otype == DHCPV6_OPT_USER_CLASS) { + uint8_t *c = odata, *cend = &odata[olen]; + for (; &c[2] <= cend && &c[2 + (c[0] << 8) + c[1]] <= cend; c = &c[2 + (c[0] << 8) + c[1]]) { + size_t elen = strlen(excluded_class); + if (((((size_t)c[0]) << 8) | c[1]) == elen && !memcmp(&c[2], excluded_class, elen)) + return; // Ignore from homenet + } } } |