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Diffstat (limited to 'src/lib/protocols/maplestory.c')
| -rw-r--r-- | src/lib/protocols/maplestory.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/lib/protocols/maplestory.c b/src/lib/protocols/maplestory.c new file mode 100644 index 000000000..e9d89d1da --- /dev/null +++ b/src/lib/protocols/maplestory.c @@ -0,0 +1,87 @@ +/* + * maplestory.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_api.h" + +#ifdef NDPI_PROTOCOL_MAPLESTORY + +static void ndpi_int_maplestory_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_MAPLESTORY, protocol_type); +} + + +void ndpi_search_maplestory(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 == 16 + && (ntohl(get_u_int32_t(packet->payload, 0)) == 0x0e003a00 || ntohl(get_u_int32_t(packet->payload, 0)) == 0x0e003b00 + || ntohl(get_u_int32_t(packet->payload, 0)) == 0x0e004200) + && ntohs(get_u_int16_t(packet->payload, 4)) == 0x0100 && (packet->payload[6] == 0x32 || packet->payload[6] == 0x33)) { + NDPI_LOG(NDPI_PROTOCOL_MAPLESTORY, ndpi_struct, NDPI_LOG_DEBUG, "found maplestory.\n"); + ndpi_int_maplestory_add_connection(ndpi_struct, flow, NDPI_REAL_PROTOCOL); + return; + } + + if (packet->payload_packet_len > NDPI_STATICSTRING_LEN("GET /maple") + && memcmp(packet->payload, "GET /maple", NDPI_STATICSTRING_LEN("GET /maple")) == 0) { + ndpi_parse_packet_line_info(ndpi_struct, flow); + /* Maplestory update */ + if (packet->payload_packet_len > NDPI_STATICSTRING_LEN("GET /maple/patch") + && packet->payload[NDPI_STATICSTRING_LEN("GET /maple")] == '/') { + if (packet->user_agent_line.ptr != NULL && packet->host_line.ptr != NULL + && packet->user_agent_line.len == NDPI_STATICSTRING_LEN("Patcher") + && packet->host_line.len > NDPI_STATICSTRING_LEN("patch.") + && memcmp(&packet->payload[NDPI_STATICSTRING_LEN("GET /maple/")], "patch", + NDPI_STATICSTRING_LEN("patch")) == 0 + && memcmp(packet->user_agent_line.ptr, "Patcher", NDPI_STATICSTRING_LEN("Patcher")) == 0 + && memcmp(packet->host_line.ptr, "patch.", NDPI_STATICSTRING_LEN("patch.")) == 0) { + NDPI_LOG(NDPI_PROTOCOL_MAPLESTORY, ndpi_struct, NDPI_LOG_DEBUG, "found maplestory update.\n"); + ndpi_int_maplestory_add_connection(ndpi_struct, flow, NDPI_CORRELATED_PROTOCOL); + return; + } + } else if (packet->user_agent_line.ptr != NULL && packet->user_agent_line.len == NDPI_STATICSTRING_LEN("AspINet") + && memcmp(&packet->payload[NDPI_STATICSTRING_LEN("GET /maple")], "story/", + NDPI_STATICSTRING_LEN("story/")) == 0 + && memcmp(packet->user_agent_line.ptr, "AspINet", NDPI_STATICSTRING_LEN("AspINet")) == 0) { + NDPI_LOG(NDPI_PROTOCOL_MAPLESTORY, ndpi_struct, NDPI_LOG_DEBUG, "found maplestory update.\n"); + ndpi_int_maplestory_add_connection(ndpi_struct, flow, NDPI_CORRELATED_PROTOCOL); + return; + } + } + + NDPI_LOG(NDPI_PROTOCOL_MAPLESTORY, ndpi_struct, NDPI_LOG_DEBUG, "exclude maplestory.\n"); + NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_MAPLESTORY); + +} +#endif |