diff options
Diffstat (limited to 'src/lib/protocols/attic/secondlife.c')
| -rw-r--r-- | src/lib/protocols/attic/secondlife.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/lib/protocols/attic/secondlife.c b/src/lib/protocols/attic/secondlife.c new file mode 100644 index 000000000..1d43231e0 --- /dev/null +++ b/src/lib/protocols/attic/secondlife.c @@ -0,0 +1,123 @@ +/* + * secondlife.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_utils.h" +#ifdef NDPI_PROTOCOL_SECONDLIFE + +static void ndpi_int_secondlife_add_connection(struct ndpi_detection_module_struct *ndpi_struct, + struct ndpi_flow_struct *flow, + ndpi_protocol_type_t protocol_type) +{ + ndpi_int_add_connection(ndpi_struct, flow, NDPI_PROTOCOL_SECONDLIFE, protocol_type); +} + +void ndpi_search_secondlife(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 ((ntohs(packet->udp->dest) == 12035 || ntohs(packet->udp->dest) == 12036 || (ntohs(packet->udp->dest) >= 13000 && ntohs(packet->udp->dest) <= 13050)) //port + // && packet->payload_packet_len > 6 // min length with no extra header, high frequency and 1 byte message body + // && get_u_int8_t(packet->payload, 0) == 0x40 // reliable packet + // && ntohl(get_u_int32_t(packet->payload, 1)) == 0x00000001 // sequence number equals 1 + // //ntohl (get_u_int32_t (packet->payload, 5)) == 0x00FFFF00 // no extra header, low frequency message - can't use, message may have higher frequency + // ) { + // NDPI_LOG(NDPI_PROTOCOL_SECONDLIFE, ndpi_struct, NDPI_LOG_DEBUG, "Second Life detected.\n"); + // ndpi_int_secondlife_add_connection(ndpi_struct, flow); + // return; + // } + + if (packet->tcp != NULL) { + if (packet->payload_packet_len > NDPI_STATICSTRING_LEN("GET /") + && memcmp(packet->payload, "GET /", NDPI_STATICSTRING_LEN("GET /")) == 0) { + NDPI_LOG(NDPI_PROTOCOL_SECONDLIFE, ndpi_struct, NDPI_LOG_DEBUG, "Second Life HTTP 'GET /'' found.\n"); + ndpi_parse_packet_line_info(ndpi_struct, flow); + if (packet->user_agent_line.ptr != NULL + && packet->user_agent_line.len > + NDPI_STATICSTRING_LEN + ("Mozilla/5.0 (Windows; U; Windows NT 6.1; de-DE) AppleWebKit/532.4 (KHTML, like Gecko) SecondLife/") + && memcmp(&packet->user_agent_line.ptr[NDPI_STATICSTRING_LEN + ("Mozilla/5.0 (Windows; U; Windows NT 6.1; de-DE) AppleWebKit/532.4 (KHTML, like Gecko) ")], + "SecondLife/", NDPI_STATICSTRING_LEN("SecondLife/")) == 0) { + NDPI_LOG(NDPI_PROTOCOL_SECONDLIFE, ndpi_struct, NDPI_LOG_DEBUG, + "Second Life TCP HTTP User Agent detected.\n"); + ndpi_int_secondlife_add_connection(ndpi_struct, flow, NDPI_CORRELATED_PROTOCOL); + return; + } + if (packet->host_line.ptr != NULL && packet->host_line.len > NDPI_STATICSTRING_LEN(".agni.lindenlab.com:")) { + u_int8_t x; + for (x = 2; x < 6; x++) { + if (packet->host_line.ptr[packet->host_line.len - (1 + x)] == ':') { + if ((1 + x + NDPI_STATICSTRING_LEN(".agni.lindenlab.com")) < packet->host_line.len + && memcmp(&packet->host_line.ptr[packet->host_line.len - + (1 + x + NDPI_STATICSTRING_LEN(".agni.lindenlab.com"))], + ".agni.lindenlab.com", NDPI_STATICSTRING_LEN(".agni.lindenlab.com")) == 0) { + NDPI_LOG(NDPI_PROTOCOL_SECONDLIFE, ndpi_struct, NDPI_LOG_DEBUG, + "Second Life TCP HTTP Host detected.\n"); + ndpi_int_secondlife_add_connection(ndpi_struct, flow, NDPI_CORRELATED_PROTOCOL); + return; + } + break; + } + } + } + } + } + if (packet->udp != NULL) { + if (packet->payload_packet_len == 46 + && memcmp(packet->payload, "\x40\x00\x00\x00\x01\x00\xff\xff\x00\x03", 10) == 0) { + NDPI_LOG(NDPI_PROTOCOL_SECONDLIFE, ndpi_struct, NDPI_LOG_DEBUG, "Second Life 0xffff0003 detected.\n"); + ndpi_int_secondlife_add_connection(ndpi_struct, flow, NDPI_REAL_PROTOCOL); + return; + } + if (packet->payload_packet_len == 54 + && memcmp(packet->payload, "\x40\x00\x00\x00\x01\x00\xff\xff\x00\x52", 10) == 0) { + NDPI_LOG(NDPI_PROTOCOL_SECONDLIFE, ndpi_struct, NDPI_LOG_DEBUG, "Second Life 0xffff0052 detected.\n"); + ndpi_int_secondlife_add_connection(ndpi_struct, flow, NDPI_REAL_PROTOCOL); + return; + } + if (packet->payload_packet_len == 58 + && memcmp(packet->payload, "\x40\x00\x00\x00\x01\x00\xff\xff\x00\xa9", 10) == 0) { + NDPI_LOG(NDPI_PROTOCOL_SECONDLIFE, ndpi_struct, NDPI_LOG_DEBUG, "Second Life 0xffff00a9 detected.\n"); + ndpi_int_secondlife_add_connection(ndpi_struct, flow, NDPI_REAL_PROTOCOL); + return; + } + if (packet->payload_packet_len > 54 && memcmp(packet->payload, "\x40\x00\x00\x00\x01\x00\x08", 7) == 0 && + get_u_int32_t(packet->payload, packet->payload_packet_len - 4) == 0) { + NDPI_LOG(NDPI_PROTOCOL_SECONDLIFE, ndpi_struct, NDPI_LOG_DEBUG, "Second Life 0x08 detected.\n"); + ndpi_int_secondlife_add_connection(ndpi_struct, flow, NDPI_REAL_PROTOCOL); + return; + } + } + + + NDPI_LOG(NDPI_PROTOCOL_SECONDLIFE, ndpi_struct, NDPI_LOG_DEBUG, "Second Life excluded.\n"); + NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_SECONDLIFE); +} + +#endif |