diff options
Diffstat (limited to 'src/lib/protocols/dhcpv6.c')
-rw-r--r-- | src/lib/protocols/dhcpv6.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/lib/protocols/dhcpv6.c b/src/lib/protocols/dhcpv6.c new file mode 100644 index 000000000..b0c23c9c9 --- /dev/null +++ b/src/lib/protocols/dhcpv6.c @@ -0,0 +1,60 @@ +/* + * dhcpv6.c + * + * Copyright (C) 2009-2011 by ipoque GmbH + * Copyright (C) 2011-15 - ntop.org + * + * This file is part of nDPI, an open source deep packet inspection + * library based on the OpenDPI and PACE technology by ipoque GmbH + * + * nDPI is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * nDPI is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with nDPI. If not, see <http://www.gnu.org/licenses/>. + * + */ + + + +/* include files */ + +#include "ndpi_protocols.h" +#ifdef NDPI_PROTOCOL_DHCPV6 + +static void ndpi_int_dhcpv6_add_connection(struct ndpi_detection_module_struct *ndpi_struct, + struct ndpi_flow_struct *flow) +{ + + ndpi_int_add_connection(ndpi_struct, flow, NDPI_PROTOCOL_DHCPV6, NDPI_REAL_PROTOCOL); +} + +void ndpi_search_dhcpv6_udp(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) +{ + struct ndpi_packet_struct *packet = &flow->packet; + +// struct ndpi_id_struct *src=ndpi_struct->src; +// struct ndpi_id_struct *dst=ndpi_struct->dst; + + if (packet->payload_packet_len >= 4 && + (packet->udp->source == htons(546) || packet->udp->source == htons(547)) && + (packet->udp->dest == htons(546) || packet->udp->dest == htons(547)) && + packet->payload[0] >= 1 && packet->payload[0] <= 13) { + + NDPI_LOG(NDPI_PROTOCOL_DHCPV6, ndpi_struct, NDPI_LOG_DEBUG, "DHCPv6 detected.\n"); + ndpi_int_dhcpv6_add_connection(ndpi_struct, flow); + return; + } + + NDPI_LOG(NDPI_PROTOCOL_DHCPV6, ndpi_struct, NDPI_LOG_DEBUG, "DHCPv6 excluded.\n"); + NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_DHCPV6); +} + +#endif |