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Diffstat (limited to 'src/lib/protocols/directdownloadlink.c')
-rw-r--r--src/lib/protocols/directdownloadlink.c737
1 files changed, 737 insertions, 0 deletions
diff --git a/src/lib/protocols/directdownloadlink.c b/src/lib/protocols/directdownloadlink.c
new file mode 100644
index 000000000..5c8de52c0
--- /dev/null
+++ b/src/lib/protocols/directdownloadlink.c
@@ -0,0 +1,737 @@
+/*
+ * directdownloadlink.c
+ *
+ * Copyright (C) 2009-2011 by ipoque GmbH
+ * Copyright (C) 2011-14svn - 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_DIRECT_DOWNLOAD_LINK
+
+
+#ifdef NDPI_DEBUG_DIRECT_DOWNLOAD_LINK
+//#define NDPI_DEBUG_DIRECT_DOWNLOAD_LINK_NOTHING_FOUND
+//#define NDPI_DEBUG_DIRECT_DOWNLOAD_LINK_PACKET_TOO_SMALL
+#define NDPI_DEBUG_DIRECT_DOWNLOAD_LINK_IP
+#endif
+
+static void ndpi_int_direct_download_link_add_connection(struct ndpi_detection_module_struct *ndpi_struct,
+ struct ndpi_flow_struct *flow)
+{
+ struct ndpi_packet_struct *packet = &flow->packet;
+
+ ndpi_int_add_connection(ndpi_struct, flow, NDPI_PROTOCOL_DIRECT_DOWNLOAD_LINK, NDPI_CORRELATED_PROTOCOL);
+
+ flow->l4.tcp.ddlink_server_direction = packet->packet_direction;
+}
+
+
+
+/*
+ return 0 if nothing has been detected
+ return 1 if it is a megaupload packet
+*/
+u_int8_t search_ddl_domains(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;
+
+ u_int16_t filename_start = 0;
+ u_int8_t i = 1;
+ u_int16_t host_line_len_without_port;
+
+ if (packet->payload_packet_len < 100) {
+ NDPI_LOG(NDPI_PROTOCOL_DIRECT_DOWNLOAD_LINK, ndpi_struct, NDPI_LOG_DEBUG, "DDL: Packet too small.\n");
+ goto end_ddl_nothing_found;
+ }
+
+
+
+ if (memcmp(packet->payload, "POST ", 5) == 0) {
+ filename_start = 5; // POST
+ NDPI_LOG(NDPI_PROTOCOL_DIRECT_DOWNLOAD_LINK, ndpi_struct, NDPI_LOG_DEBUG, "DDL: POST FOUND\n");
+ } else if (memcmp(packet->payload, "GET ", 4) == 0) {
+ filename_start = 4; // GET
+ NDPI_LOG(NDPI_PROTOCOL_DIRECT_DOWNLOAD_LINK, ndpi_struct, NDPI_LOG_DEBUG, "DDL: GET FOUND\n");
+ } else {
+ goto end_ddl_nothing_found;
+ }
+ // parse packet
+ ndpi_parse_packet_line_info(ndpi_struct, flow);
+
+ if (packet->host_line.ptr == NULL) {
+ NDPI_LOG(NDPI_PROTOCOL_DIRECT_DOWNLOAD_LINK, ndpi_struct, NDPI_LOG_DEBUG, "DDL: NO HOST FOUND\n");
+ goto end_ddl_nothing_found;
+ }
+
+ NDPI_LOG(NDPI_PROTOCOL_DIRECT_DOWNLOAD_LINK, ndpi_struct, NDPI_LOG_DEBUG, "DDL: Host: found\n");
+
+ if (packet->line[0].len < 9 + filename_start
+ || memcmp(&packet->line[0].ptr[packet->line[0].len - 9], " HTTP/1.", 8) != 0) {
+ NDPI_LOG(NDPI_PROTOCOL_DIRECT_DOWNLOAD_LINK, ndpi_struct,
+ NDPI_LOG_DEBUG, "DDL: PACKET NOT HTTP CONFORM.\nXXX%.*sXXX\n",
+ 8, &packet->line[0].ptr[packet->line[0].len - 9]);
+ goto end_ddl_nothing_found;
+ }
+ // BEGIN OF AUTOMATED CODE GENERATION
+ // first see if we have ':port' at the end of the line
+ host_line_len_without_port = packet->host_line.len;
+ if (host_line_len_without_port >= i && packet->host_line.ptr[host_line_len_without_port - i] >= '0'
+ && packet->host_line.ptr[packet->host_line.len - i] <= '9') {
+ i = 2;
+ while (host_line_len_without_port >= i && packet->host_line.ptr[host_line_len_without_port - i] >= '0'
+ && packet->host_line.ptr[host_line_len_without_port - i] <= '9') {
+ NDPI_LOG(NDPI_PROTOCOL_DIRECT_DOWNLOAD_LINK, ndpi_struct, NDPI_LOG_DEBUG, "DDL: number found\n");
+ i++;
+ }
+ if (host_line_len_without_port >= i && packet->host_line.ptr[host_line_len_without_port - i] == ':') {
+ NDPI_LOG(NDPI_PROTOCOL_DIRECT_DOWNLOAD_LINK, ndpi_struct, NDPI_LOG_DEBUG, "DDL: ':' found\n");
+ host_line_len_without_port = host_line_len_without_port - i;
+ }
+ }
+ // then start automated code generation
+
+ if (host_line_len_without_port >= 0 + 4
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 0 - 4], ".com", 4) == 0) {
+ if (host_line_len_without_port >= 4 + 1 && packet->host_line.ptr[host_line_len_without_port - 4 - 1] == 'd') {
+ if (host_line_len_without_port >= 5 + 6 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 6], "4share", 6) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 5 - 6 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 5 - 6 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 5 + 8 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 8], "fileclou", 8) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 5 - 8 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 5 - 8 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 5 + 5
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 5], "uploa", 5) == 0) {
+ if (host_line_len_without_port >= 10 + 6 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 10 - 6], "files-", 6) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 10 - 6 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 10 - 6 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 10 + 4 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 10 - 4], "mega", 4) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 10 - 4 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 10 - 4 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 10 + 5 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 10 - 5], "rapid", 5) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 10 - 5 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 10 - 5 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 10 + 5 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 10 - 5], "turbo", 5) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 10 - 5 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 10 - 5 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 4 + 1 && packet->host_line.ptr[host_line_len_without_port - 4 - 1] == 'o') {
+ if (host_line_len_without_port >= 5 + 6 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 6], "badong", 6) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 5 - 6 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 5 - 6 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 5 + 5 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 5], "fileh", 5) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 5 - 5 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 5 - 5 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 4 + 1 && packet->host_line.ptr[host_line_len_without_port - 4 - 1] == 'g') {
+ if (host_line_len_without_port >= 5 + 2
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 2], "in", 2) == 0) {
+ if (host_line_len_without_port >= 7 + 4
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 7 - 4], "shar", 4) == 0) {
+ if (host_line_len_without_port >= 11 + 4 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 11 - 4], "best", 4) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 11 - 4 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 11 - 4 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 11 + 5 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 11 - 5], "quick", 5) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 11 - 5 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 11 - 5 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 7 + 6 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 7 - 6], "upload", 6) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 7 - 6 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 7 - 6 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 5 + 7 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 7], "sharebi", 7) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 5 - 7 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 5 - 7 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 4 + 8 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 4 - 8], "bigfilez", 8) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 4 - 8 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 4 - 8 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 4 + 1 && packet->host_line.ptr[host_line_len_without_port - 4 - 1] == 'e') {
+ if (host_line_len_without_port >= 5 + 3
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 3], "fil", 3) == 0) {
+ if (host_line_len_without_port >= 8 + 2
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 8 - 2], "mo", 2) == 0) {
+ if (host_line_len_without_port >= 10 + 5 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 10 - 5], "china", 5) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 10 - 5 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 10 - 5 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 8 + 2 + 1
+ && (packet->host_line.ptr[host_line_len_without_port - 8 - 2 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 8 - 2 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ }
+ if (host_line_len_without_port >= 8 + 3 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 8 - 3], "hot", 3) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 8 - 3 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 8 - 3 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 8 + 6 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 8 - 6], "keepmy", 6) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 8 - 6 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 8 - 6 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 8 + 1
+ && packet->host_line.ptr[host_line_len_without_port - 8 - 1] == 'e') {
+ if (host_line_len_without_port >= 9 + 3 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 9 - 3], "sav", 3) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 9 - 3 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 9 - 3 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 9 + 5 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 9 - 5], "sendm", 5) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 9 - 5 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 9 - 5 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 8 + 8 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 8 - 8], "sharebig", 8) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 8 - 8 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 8 - 8 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 8 + 3 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 8 - 3], "up-", 3) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 8 - 3 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 8 - 3 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 5 + 1 && packet->host_line.ptr[host_line_len_without_port - 5 - 1] == 'r') {
+ if (host_line_len_without_port >= 6 + 3
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 6 - 3], "sha", 3) == 0) {
+ if (host_line_len_without_port >= 9 + 1
+ && packet->host_line.ptr[host_line_len_without_port - 9 - 1] == '-') {
+ if (host_line_len_without_port >= 10 + 4 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 10 - 4], "easy",
+ 4) == 0 && (packet->host_line.ptr[host_line_len_without_port - 10 - 4 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 10 - 4 - 1] ==
+ '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 10 + 4 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 10 - 4], "fast",
+ 4) == 0 && (packet->host_line.ptr[host_line_len_without_port - 10 - 4 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 10 - 4 - 1] ==
+ '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 10 + 4 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 10 - 4], "live",
+ 4) == 0 && (packet->host_line.ptr[host_line_len_without_port - 10 - 4 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 10 - 4 - 1] ==
+ '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 9 + 4 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 9 - 4], "ftp2", 4) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 9 - 4 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 9 - 4 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 9 + 4 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 9 - 4], "gige", 4) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 9 - 4 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 9 - 4 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 9 + 4 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 9 - 4], "mega", 4) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 9 - 4 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 9 - 4 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 9 + 5 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 9 - 5], "rapid", 5) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 9 - 5 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 9 - 5 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 6 + 7 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 6 - 7], "mediafi", 7) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 6 - 7 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 6 - 7 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 5 + 7 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 7], "gigasiz", 7) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 5 - 7 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 5 - 7 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 5 + 8 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 8], "sendspac", 8) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 5 - 8 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 5 - 8 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 5 + 7 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 7], "sharebe", 7) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 5 - 7 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 5 - 7 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 5 + 11 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 11], "sharebigfli", 11) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 5 - 11 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 5 - 11 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 5 + 8 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 8], "fileserv", 8) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 5 - 8 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 5 - 8 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 4 + 1 && packet->host_line.ptr[host_line_len_without_port - 4 - 1] == 's') {
+ if (host_line_len_without_port >= 5 + 1 && packet->host_line.ptr[host_line_len_without_port - 5 - 1] == 'e') {
+ if (host_line_len_without_port >= 6 + 10 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 6 - 10], "depositfil",
+ 10) == 0 && (packet->host_line.ptr[host_line_len_without_port - 6 - 10 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 6 - 10 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 6 + 8 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 6 - 8], "megashar", 8) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 6 - 8 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 6 - 8 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 5 + 10 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 10], "fileupyour", 10) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 5 - 10 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 5 - 10 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 4 + 11 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 4 - 11], "filefactory", 11) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 4 - 11 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 4 - 11 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 4 + 1 && packet->host_line.ptr[host_line_len_without_port - 4 - 1] == 't') {
+ if (host_line_len_without_port >= 5 + 8 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 8], "filefron", 8) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 5 - 8 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 5 - 8 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 5 + 10 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 10], "uploadingi", 10) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 5 - 10 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 5 - 10 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 5 + 11 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 11], "yourfilehos", 11) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 5 - 11 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 5 - 11 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 4 + 1 && packet->host_line.ptr[host_line_len_without_port - 4 - 1] == 'r') {
+ if (host_line_len_without_port >= 5 + 8 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 8], "mytempdi", 8) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 5 - 8 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 5 - 8 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 5 + 10 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 10], "uploadpowe", 10) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 5 - 10 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 5 - 10 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 4 + 9 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 4 - 9], "mega.1280", 9) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 4 - 9 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 4 - 9 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 4 + 9 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 4 - 9], "filesonic", 9) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 4 - 9 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 4 - 9 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 0 + 4
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 0 - 4], ".net", 4) == 0) {
+ if (host_line_len_without_port >= 4 + 7 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 4 - 7], "badongo", 7) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 4 - 7 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 4 - 7 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 4 + 1 && packet->host_line.ptr[host_line_len_without_port - 4 - 1] == 'd') {
+ if (host_line_len_without_port >= 5 + 3
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 3], "loa", 3) == 0) {
+ if (host_line_len_without_port >= 8 + 5 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 8 - 5], "fast-", 5) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 8 - 5 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 8 - 5 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 8 + 2
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 8 - 2], "up", 2) == 0) {
+ if (host_line_len_without_port >= 10 + 5 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 10 - 5], "file-", 5) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 10 - 5 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 10 - 5 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 10 + 6 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 10 - 6], "simple",
+ 6) == 0 && (packet->host_line.ptr[host_line_len_without_port - 10 - 6 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 10 - 6 - 1] ==
+ '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 10 + 3 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 10 - 3], "wii", 3) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 10 - 3 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 10 - 3 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 5 + 7 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 7], "filesen", 7) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 5 - 7 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 5 - 7 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 4 + 5 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 4 - 5], "filer", 5) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 4 - 5 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 4 - 5 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 4 + 9 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 4 - 9], "livedepot", 9) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 4 - 9 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 4 - 9 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 4 + 1 && packet->host_line.ptr[host_line_len_without_port - 4 - 1] == 'e') {
+ if (host_line_len_without_port >= 5 + 5 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 5], "mofil", 5) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 5 - 5 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 5 - 5 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 5 + 17 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 17], "odsiebie.najlepsz",
+ 17) == 0 && (packet->host_line.ptr[host_line_len_without_port - 5 - 17 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 5 - 17 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 5 + 5 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 5 - 5], "zshar", 5) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 5 - 5 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 5 - 5 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 0 + 1 && packet->host_line.ptr[host_line_len_without_port - 0 - 1] == 'u') {
+ if (host_line_len_without_port >= 1 + 6 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 1 - 6], "data.h", 6) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 1 - 6 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 1 - 6 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 1 + 2
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 1 - 2], ".r", 2) == 0) {
+ if (host_line_len_without_port >= 3 + 10 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 3 - 10], "filearchiv", 10) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 3 - 10 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 3 - 10 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 3 + 8 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 3 - 8], "filepost", 8) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 3 - 8 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 3 - 8 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 3 + 7 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 3 - 7], "ifolder", 7) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 3 - 7 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 3 - 7 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 0 + 11 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 0 - 11], "filehost.tv", 11) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 0 - 11 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 0 - 11 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 0 + 3
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 0 - 3], ".to", 3) == 0) {
+ if (host_line_len_without_port >= 3 + 1 && packet->host_line.ptr[host_line_len_without_port - 3 - 1] == 'e') {
+ if (host_line_len_without_port >= 4 + 7 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 4 - 7], "filesaf", 7) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 4 - 7 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 4 - 7 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 4 + 8 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 4 - 8], "sharebas", 8) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 4 - 8 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 4 - 8 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 3 + 5 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 3 - 5], "files", 5) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 3 - 5 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 3 - 5 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 3 + 1 && packet->host_line.ptr[host_line_len_without_port - 3 - 1] == 'd') {
+ if (host_line_len_without_port >= 4 + 3
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 4 - 3], "loa", 3) == 0) {
+ if (host_line_len_without_port >= 7 + 7 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 7 - 7], "file-up", 7) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 7 - 7 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 7 - 7 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 4 + 3 + 1
+ && (packet->host_line.ptr[host_line_len_without_port - 4 - 3 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 4 - 3 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ }
+ if (host_line_len_without_port >= 4 + 7 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 4 - 7], "uploade", 7) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 4 - 7 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 4 - 7 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 0 + 1 && packet->host_line.ptr[host_line_len_without_port - 0 - 1] == 'z') {
+ if (host_line_len_without_port >= 1 + 14 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 1 - 14], "leteckaposta.c", 14) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 1 - 14 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 1 - 14 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 1 + 12 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 1 - 12], "yourfiles.bi", 12) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 1 - 12 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 1 - 12 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 0 + 1 && packet->host_line.ptr[host_line_len_without_port - 0 - 1] == 'n') {
+ if (host_line_len_without_port >= 1 + 9 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 1 - 9], "netload.i", 9) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 1 - 9 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 1 - 9 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 1 + 2
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 1 - 2], ".v", 2) == 0) {
+ if (host_line_len_without_port >= 3 + 7 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 3 - 7], "4shared", 7) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 3 - 7 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 3 - 7 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 3 + 9 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 3 - 9], "megashare", 9) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 3 - 9 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 3 - 9 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 0 + 3
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 0 - 3], ".de", 3) == 0) {
+ if (host_line_len_without_port >= 3 + 5
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 3 - 5], "share", 5) == 0) {
+ if (host_line_len_without_port >= 8 + 5 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 8 - 5], "rapid", 5) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 8 - 5 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 8 - 5 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ if (host_line_len_without_port >= 8 + 5 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 8 - 5], "ultra", 5) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 8 - 5 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 8 - 5 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 3 + 15 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 3 - 15], "uploadyourfiles", 15) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 3 - 15 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 3 - 15 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ goto end_ddl_nothing_found;
+ }
+ if (host_line_len_without_port >= 0 + 14 + 1
+ && memcmp((void *) &packet->host_line.ptr[host_line_len_without_port - 0 - 14], "speedshare.org", 14) == 0
+ && (packet->host_line.ptr[host_line_len_without_port - 0 - 14 - 1] == ' '
+ || packet->host_line.ptr[host_line_len_without_port - 0 - 14 - 1] == '.')) {
+ goto end_ddl_found;
+ }
+ // END OF AUTOMATED CODE GENERATION
+
+ /* This is the hard way. We do this in order to find the download of services when other
+ domains are involved. This is not significant if ddl is blocked. --> then the link can not be started because
+ the ads are not viewed. But when ddl is only limited then the download is the important part.
+ */
+
+ end_ddl_nothing_found:
+ NDPI_LOG(NDPI_PROTOCOL_DIRECT_DOWNLOAD_LINK, ndpi_struct, NDPI_LOG_DEBUG,
+ "Nothing Found\n");
+ return 0;
+
+ end_ddl_found:
+ NDPI_LOG(NDPI_PROTOCOL_DIRECT_DOWNLOAD_LINK, ndpi_struct, NDPI_LOG_DEBUG, "DDL: DIRECT DOWNLOAD LINK FOUND\n");
+ ndpi_int_direct_download_link_add_connection(ndpi_struct, flow);
+ return 1;
+}
+
+
+void ndpi_search_direct_download_link_tcp(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 0
+ if (ndpi_struct->direct_download_link_counter_callback != NULL) {
+ if (packet->detected_protocol == NDPI_PROTOCOL_DIRECT_DOWNLOAD_LINK) {
+ /* skip packets not requests from the client to the server */
+ if (packet->packet_direction == flow->l4.tcp.ddlink_server_direction) {
+ search_ddl_domains(ndpi_struct, flow); // do the detection again in order to get the URL in keep alive streams
+ } else {
+ // just count the packet
+ ndpi_struct->direct_download_link_counter_callback(flow->hash_id_number, packet->l3_packet_len);
+ }
+ }
+ return;
+ }
+#endif
+ // do not detect again if it is already ddl
+ if (packet->detected_protocol_stack[0] != NDPI_PROTOCOL_DIRECT_DOWNLOAD_LINK) {
+ if (search_ddl_domains(ndpi_struct, flow) != 0) {
+ return;
+ }
+ NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_DIRECT_DOWNLOAD_LINK);
+ }
+
+}
+#endif
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