diff options
Diffstat (limited to 'src/lib/protocols/shoutcast.c')
| -rw-r--r-- | src/lib/protocols/shoutcast.c | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/src/lib/protocols/shoutcast.c b/src/lib/protocols/shoutcast.c deleted file mode 100644 index 155e2cea7..000000000 --- a/src/lib/protocols/shoutcast.c +++ /dev/null @@ -1,118 +0,0 @@ -/* - * shoutcast.c - * - * Copyright (C) 2009-11 - ipoque GmbH - * Copyright (C) 2011-22 - 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_protocol_ids.h" - -#define NDPI_CURRENT_PROTO NDPI_PROTOCOL_SHOUTCAST - -#include "ndpi_api.h" - -static void ndpi_int_shoutcast_add_connection(struct ndpi_detection_module_struct - *ndpi_struct, struct ndpi_flow_struct *flow) -{ - ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_SHOUTCAST, NDPI_PROTOCOL_UNKNOWN, NDPI_CONFIDENCE_DPI); -} - -void ndpi_search_shoutcast_tcp(struct ndpi_detection_module_struct - *ndpi_struct, struct ndpi_flow_struct *flow) -{ - struct ndpi_packet_struct *packet = &ndpi_struct->packet; - - - NDPI_LOG_DBG(ndpi_struct, "search shoutcast\n"); - - if (flow->packet_counter == 1) { -/* this case in paul_upload_oddcast_002.pcap */ - if (packet->payload_packet_len >= 6 - && packet->payload_packet_len < 80 && memcmp(packet->payload, "123456", 6) == 0) { - NDPI_LOG_DBG2(ndpi_struct, "Shoutcast stage 1, \"123456\"\n"); - return; - } - if (flow->packet_counter < 3 - && flow->detected_protocol_stack[0] == NDPI_PROTOCOL_HTTP - ) { - NDPI_LOG_DBG2(ndpi_struct, - "http detected, need next packet for shoutcast detection.\n"); - if (packet->payload_packet_len > 4 - && get_u_int32_t(packet->payload, packet->payload_packet_len - 4) != htonl(0x0d0a0d0a)) { - NDPI_LOG_DBG2(ndpi_struct, "segmented packet found\n"); - flow->l4.tcp.shoutcast_stage = 1 + packet->packet_direction; - } - return; - } - - - /* else - goto exclude_shoutcast; */ - - } - /* evtl. für asym detection noch User-Agent:Winamp dazunehmen. */ - if (packet->payload_packet_len > 11 && memcmp(packet->payload, "ICY 200 OK\x0d\x0a", 12) == 0) { - NDPI_LOG_INFO(ndpi_struct, "found shoutcast by ICY 200 OK\n"); - ndpi_int_shoutcast_add_connection(ndpi_struct, flow); - return; - } - if (flow->l4.tcp.shoutcast_stage == 1 + packet->packet_direction - && flow->packet_direction_counter[packet->packet_direction] < 5) { - return; - } - - if (flow->packet_counter == 2) { - if (packet->payload_packet_len == 2 && memcmp(packet->payload, "\x0d\x0a", 2) == 0) { - NDPI_LOG_DBG2(ndpi_struct, "Shoutcast stage 1 continuation\n"); - return; - } else if (packet->payload_packet_len > 3 && memcmp(&packet->payload[0], "OK2", 3) == 0) { - NDPI_LOG_DBG2(ndpi_struct, "Shoutcast stage 2, OK2 found\n"); - return; - } else - goto exclude_shoutcast; - } else if (flow->packet_counter == 3 || flow->packet_counter == 4) { - if (packet->payload_packet_len > 3 && memcmp(&packet->payload[0], "OK2", 3) == 0) { - NDPI_LOG_DBG2(ndpi_struct, "Shoutcast stage 2, OK2 found\n"); - return; - } else if (packet->payload_packet_len > 4 && memcmp(&packet->payload[0], "icy-", 4) == 0) { - NDPI_LOG_INFO(ndpi_struct, "found Shoutcast\n"); - ndpi_int_shoutcast_add_connection(ndpi_struct, flow); - return; - } else - goto exclude_shoutcast; - } - - exclude_shoutcast: - NDPI_EXCLUDE_PROTO(ndpi_struct, flow); -} - - -void init_shoutcast_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id) -{ - ndpi_set_bitmask_protocol_detection("ShoutCast", ndpi_struct, *id, - NDPI_PROTOCOL_SHOUTCAST, - ndpi_search_shoutcast_tcp, - NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD_WITHOUT_RETRANSMISSION, - SAVE_DETECTION_BITMASK_AS_UNKNOWN, - ADD_TO_DETECTION_BITMASK); - - *id += 1; -} - |