diff options
Diffstat (limited to 'src/lib/protocols')
-rw-r--r-- | src/lib/protocols/iqiyi.c | 69 | ||||
-rw-r--r-- | src/lib/protocols/ppstream.c | 213 |
2 files changed, 69 insertions, 213 deletions
diff --git a/src/lib/protocols/iqiyi.c b/src/lib/protocols/iqiyi.c new file mode 100644 index 000000000..28600a4fc --- /dev/null +++ b/src/lib/protocols/iqiyi.c @@ -0,0 +1,69 @@ +/* + * iqiyi.c + * + * Copyright (C) 2024 - ntop.org + * Copyright (C) 2024 - V.G <v.gavrilov@securitycode.ru> + * + * 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_IQIYI + +#include "ndpi_api.h" +#include "ndpi_private.h" + +static void ndpi_int_iqiyi_add_connection(struct ndpi_detection_module_struct *ndpi_struct, + struct ndpi_flow_struct *flow) +{ + NDPI_LOG_INFO(ndpi_struct, "found iQIYI\n"); + ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_IQIYI, + NDPI_PROTOCOL_UNKNOWN, NDPI_CONFIDENCE_DPI); +} + +static void ndpi_search_iqiyi(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) +{ + struct ndpi_packet_struct const * const packet = &ndpi_struct->packet; + + NDPI_LOG_DBG(ndpi_struct, "search iQIYI\n"); + + if (packet->payload_packet_len > 120 && packet->payload_packet_len < 300) { + if (ndpi_memmem(packet->payload, packet->payload_packet_len, "PPStream", NDPI_STATICSTRING_LEN("PPStream"))) { + ndpi_int_iqiyi_add_connection(ndpi_struct, flow); + return; + } + } + + /* Add more iQiyi signatures */ + + NDPI_EXCLUDE_PROTO(ndpi_struct, flow); +} + +void init_iqiyi_dissector(struct ndpi_detection_module_struct *ndpi_struct, + u_int32_t *id) +{ + ndpi_set_bitmask_protocol_detection("iQIYI", ndpi_struct, *id, + NDPI_PROTOCOL_IQIYI, + ndpi_search_iqiyi, + NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_UDP_WITH_PAYLOAD, + SAVE_DETECTION_BITMASK_AS_UNKNOWN, + ADD_TO_DETECTION_BITMASK); + + *id += 1; +} diff --git a/src/lib/protocols/ppstream.c b/src/lib/protocols/ppstream.c deleted file mode 100644 index 83f3648a9..000000000 --- a/src/lib/protocols/ppstream.c +++ /dev/null @@ -1,213 +0,0 @@ -/* - * ppstream.c - * - * Copyright (C) 2016-22 - 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_PPSTREAM - -#include "ndpi_api.h" -#include "ndpi_private.h" - -#define PPS_PORT 17788 - - -static void ndpi_int_ppstream_add_connection(struct ndpi_detection_module_struct - *ndpi_struct, struct ndpi_flow_struct *flow) -{ - ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_PPSTREAM, NDPI_PROTOCOL_UNKNOWN, NDPI_CONFIDENCE_DPI); - NDPI_LOG_INFO(ndpi_struct, "found PPStream over UDP\n"); -} - - -static void ndpi_search_ppstream(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 PPStream\n"); - /** - PPS over TCP is detected inside HTTP dissector - */ - - /* check PPS over UDP */ - if(packet->udp != NULL) { - /*** on port 17788 ***/ - if(packet->payload_packet_len > 14 && ((ntohs(packet->udp->source) == PPS_PORT) || (ntohs(packet->udp->dest) == PPS_PORT))) { - if(((packet->payload_packet_len - 4 == get_l16(packet->payload, 0)) - || (packet->payload_packet_len == get_l16(packet->payload, 0)) - || (packet->payload_packet_len >= 6 && packet->payload_packet_len - 6 == get_l16(packet->payload, 0)))) { - /* check 43 and */ - if(packet->payload[2] == 0x43) { - if(packet->payload[5] == 0xff && - packet->payload[6] == 0x00 && - packet->payload[7] == 0x01 && - packet->payload[8] == 0x00 && - packet->payload[9] == 0x00 && - packet->payload[10] == 0x00 && - packet->payload[11] == 0x00 && - packet->payload[12] == 0x00 && - packet->payload[13] == 0x00 && - packet->payload[14] == 0x00) { - - ndpi_int_ppstream_add_connection(ndpi_struct, flow); - return; - } - } - /* check 44 */ - else if(packet->payload[2] == 0x44 && packet->payload_packet_len > 20) { - /** b1 71 **/ - if(packet->payload[3] == 0xb1 && packet->payload[4] == 0x71) { - if(packet->payload[13] == 0x00 && - packet->payload[14] == 0x00 && - packet->payload[15] == 0x01 && - packet->payload[16] == 0x00) { - /* 02 03 04 05 */ - if(packet->payload[17] == 0x02 || - packet->payload[17] == 0x03 || - packet->payload[17] == 0x04 || - packet->payload[17] == 0x05) { - if(packet->payload[18] == 0x00 && - packet->payload[19] == 0x00 && - packet->payload[20] == 0x00) { - - ndpi_int_ppstream_add_connection(ndpi_struct, flow); - return; - } - } - /* ff */ - else if(packet->payload[17] == 0xff) { - if(packet->payload[18] == 0xff && - packet->payload[19] == 0xff && - packet->payload[20] == 0xff) { - - ndpi_int_ppstream_add_connection(ndpi_struct, flow); - return; - } - } - } - } - /** 73 17 **/ - else if(packet->payload[3] == 0x73 && packet->payload[4] == 0x17) { - if(packet->payload[5] == 0x00 && - packet->payload[6] == 0x00 && - packet->payload[7] == 0x00 && - packet->payload[8] == 0x00 && - packet->payload[14] == 0x00 && - packet->payload[15] == 0x00 && - packet->payload[16] == 0x00 && - packet->payload[17] == 0x00 && - packet->payload[18] == 0x00 && - packet->payload[19] == 0x00 && - packet->payload[20] == 0x00) { - - ndpi_int_ppstream_add_connection(ndpi_struct, flow); - return; - } - } - /** 74 71 **/ - else if(packet->payload[3] == 0x74 && packet->payload[4] == 0x71 && packet->payload_packet_len == 113) { - /* check "PPStream" string in hex */ - if(packet->payload[94] == 0x50 && - packet->payload[95] == 0x50 && - packet->payload[96] == 0x53 && - packet->payload[97] == 0x74 && - packet->payload[98] == 0x72 && - packet->payload[99] == 0x65 && - packet->payload[100] == 0x61 && - packet->payload[101] == 0x6d) { - - ndpi_int_ppstream_add_connection(ndpi_struct, flow); - return; - } - } - } - /** check 55 (1) **/ - else if(packet->payload_packet_len > 20 && - packet->payload[2] == 0x55 && (packet->payload[13] == 0x1b && - packet->payload[14] == 0xa0 && - packet->payload[15] == 0x00 && - packet->payload[16] == 0x00 && - packet->payload[17] == 0x00 && - packet->payload[18] == 0x00 && - packet->payload[19] == 0x00 && - packet->payload[20] == 0x00 )) { - - ndpi_int_ppstream_add_connection(ndpi_struct, flow); - return; - } - /** check 55 (2) **/ - else if(packet->payload_packet_len > 20 && - packet->payload[2] == 0x55 && packet->payload[1] == 0x00 && - (packet->payload[5] == 0x00 && - packet->payload[6] == 0x00 && - packet->payload[7] == 0x00 && - packet->payload[8] == 0x00 && - packet->payload[14] == 0x00 && - packet->payload[15] == 0x00 && - packet->payload[16] == 0x00 && - packet->payload[17] == 0x00 && - packet->payload[18] == 0x00 && - packet->payload[19] == 0x00 && - packet->payload[20] == 0x00 )) { - - ndpi_int_ppstream_add_connection(ndpi_struct, flow); - return; - } - } - /* No port detection */ - if(packet->payload_packet_len > 17) { - /* 80 */ - if(packet->payload[1] == 0x80 || packet->payload[1] == 0x84 ) { - if(packet->payload[3] == packet->payload[4]) { - - ndpi_int_ppstream_add_connection(ndpi_struct, flow); - return; - } - } - /* 53 */ - else if(packet->payload[1] == 0x53 && packet->payload[3] == 0x00 && - (packet->payload[0] == 0x08 || packet->payload[0] == 0x0c)) { - - ndpi_int_ppstream_add_connection(ndpi_struct, flow); - return; - } - } - } - - NDPI_EXCLUDE_PROTO(ndpi_struct, flow); - } -} - - -void init_ppstream_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id) -{ - ndpi_set_bitmask_protocol_detection("PPStream", ndpi_struct, *id, - NDPI_PROTOCOL_PPSTREAM, - ndpi_search_ppstream, - NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_UDP_WITH_PAYLOAD, - SAVE_DETECTION_BITMASK_AS_UNKNOWN, - ADD_TO_DETECTION_BITMASK); - - *id += 1; -} - |