diff options
Diffstat (limited to 'src/lib/protocols/afp.c')
| -rw-r--r-- | src/lib/protocols/afp.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/lib/protocols/afp.c b/src/lib/protocols/afp.c new file mode 100644 index 000000000..b400f53c5 --- /dev/null +++ b/src/lib/protocols/afp.c @@ -0,0 +1,75 @@ +/* + * afp.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 "ndpi_protocols.h" +#ifdef NDPI_PROTOCOL_AFP + +static void ndpi_int_afp_add_connection(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) +{ + ndpi_int_add_connection(ndpi_struct, flow, NDPI_PROTOCOL_AFP, NDPI_REAL_PROTOCOL); +} + + +void ndpi_search_afp(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) +{ + struct ndpi_packet_struct *packet = &flow->packet; + // struct ndpi_id_struct *src = flow->src; +// struct ndpi_id_struct *dst = flow->dst; + + + /* + * this will detect the OpenSession command of the Data Stream Interface (DSI) protocol + * which is exclusively used by the Apple Filing Protocol (AFP) on TCP/IP networks + */ + if (packet->payload_packet_len >= 22 && get_u_int16_t(packet->payload, 0) == htons(0x0004) && + get_u_int16_t(packet->payload, 2) == htons(0x0001) && get_u_int32_t(packet->payload, 4) == 0 && + get_u_int32_t(packet->payload, 8) == htonl(packet->payload_packet_len - 16) && + get_u_int32_t(packet->payload, 12) == 0 && get_u_int16_t(packet->payload, 16) == htons(0x0104)) { + + NDPI_LOG(NDPI_PROTOCOL_AFP, ndpi_struct, NDPI_LOG_DEBUG, "AFP: DSI OpenSession detected.\n"); + ndpi_int_afp_add_connection(ndpi_struct, flow); + return; + } + + /* + * detection of GetStatus command of DSI protocl + */ + if (packet->payload_packet_len >= 18 && get_u_int16_t(packet->payload, 0) == htons(0x0003) && + get_u_int16_t(packet->payload, 2) == htons(0x0001) && get_u_int32_t(packet->payload, 4) == 0 && + get_u_int32_t(packet->payload, 8) == htonl(packet->payload_packet_len - 16) && + get_u_int32_t(packet->payload, 12) == 0 && get_u_int16_t(packet->payload, 16) == htons(0x0f00)) { + + NDPI_LOG(NDPI_PROTOCOL_AFP, ndpi_struct, NDPI_LOG_DEBUG, "AFP: DSI GetStatus detected.\n"); + ndpi_int_afp_add_connection(ndpi_struct, flow); + return; + } + + + NDPI_LOG(NDPI_PROTOCOL_AFP, ndpi_struct, NDPI_LOG_DEBUG, "AFP excluded.\n"); + NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_AFP); +} + +#endif |