Initial import from SVN

1 files changed, 283 insertions, 0 deletions

diff --git a/src/lib/protocols/aimini.c b/src/lib/protocols/aimini.c
new file mode 100644
index 000000000..165ee2fc4
--- /dev/null
+++ b/src/lib/protocols/aimini.c
@@ -0,0 +1,283 @@
+/*
+ * aimini.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_protocols.h"
+
+#ifdef NDPI_PROTOCOL_AIMINI
+
+
+static void ndpi_int_aimini_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_AIMINI, protocol_type);
+}
+
+
+static u_int8_t is_special_aimini_host(struct ndpi_int_one_line_struct host_line)
+{
+	if (host_line.ptr != NULL && host_line.len >= NDPI_STATICSTRING_LEN("X.X.X.X.aimini.net")) {
+		if ((get_u_int32_t(host_line.ptr, 0) & htonl(0x00ff00ff)) == htonl(0x002e002e) &&
+			(get_u_int32_t(host_line.ptr, 4) & htonl(0x00ff00ff)) == htonl(0x002e002e) &&
+			memcmp(&host_line.ptr[8], "aimini.net", NDPI_STATICSTRING_LEN("aimini.net")) == 0) {
+			return 1;
+		}
+	}
+	return 0;
+}
+
+void ndpi_search_aimini(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;
+
+
+	NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "search aimini.\n");
+
+	if (packet->udp != NULL) {
+		if (flow->l4.udp.aimini_stage == 0) {
+			if (packet->payload_packet_len == 64 && ntohs(get_u_int16_t(packet->payload, 0)) == 0x010b) {
+				flow->l4.udp.aimini_stage = 1;
+				NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "stage = 1.\n");
+				return;
+			}
+			if (packet->payload_packet_len == 136
+				&& (ntohs(get_u_int16_t(packet->payload, 0)) == 0x01c9 || ntohs(get_u_int16_t(packet->payload, 0)) == 0x0165)) {
+				flow->l4.udp.aimini_stage = 4;
+				NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "stage = 4.\n");
+				return;
+			}
+			if (packet->payload_packet_len == 88 && ntohs(get_u_int16_t(packet->payload, 0)) == 0x0101) {
+				flow->l4.udp.aimini_stage = 7;
+				NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "stage = 7.\n");
+				return;
+			}
+			if (packet->payload_packet_len == 104 && ntohs(get_u_int16_t(packet->payload, 0)) == 0x0102) {
+				flow->l4.udp.aimini_stage = 10;
+				NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "stage = 10.\n");
+				return;
+			}
+			if (packet->payload_packet_len == 32 && ntohs(get_u_int16_t(packet->payload, 0)) == 0x01ca) {
+				flow->l4.udp.aimini_stage = 13;
+				NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "stage = 13.\n");
+				return;
+			}
+			if (packet->payload_packet_len == 16 && ntohs(get_u_int16_t(packet->payload, 0)) == 0x010c) {
+				flow->l4.udp.aimini_stage = 16;
+				NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "stage = 16.\n");
+				return;
+			}
+		}
+		/* first packet chronology: (len, value): (64, 0x010b), (>100, 0x0115), (16, 0x010c || 64, 0x010b || 88, 0x0115),
+		 * (16, 0x010c || 64, 0x010b || >100, 0x0115)
+		 */
+		if (flow->l4.udp.aimini_stage == 1 && packet->payload_packet_len > 100
+			&& ntohs(get_u_int16_t(packet->payload, 0)) == 0x0115) {
+			flow->l4.udp.aimini_stage = 2;
+			NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "stage = 2.\n");
+			return;
+		}
+		if (flow->l4.udp.aimini_stage == 2 &&
+			((packet->payload_packet_len == 16 && get_u_int16_t(packet->payload, 0) == htons(0x010c)) ||
+			 (packet->payload_packet_len == 64 && get_u_int16_t(packet->payload, 0) == htons(0x010b)) ||
+			 (packet->payload_packet_len == 88 && get_u_int16_t(packet->payload, 0) == ntohs(0x0115)))) {
+			flow->l4.udp.aimini_stage = 3;
+			NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "stage = 3.\n");
+			return;
+		}
+		if (flow->l4.udp.aimini_stage == 3
+			&& ((packet->payload_packet_len == 16 && ntohs(get_u_int16_t(packet->payload, 0)) == 0x010c)
+				|| (packet->payload_packet_len == 64 && ntohs(get_u_int16_t(packet->payload, 0)) == 0x010b)
+				|| (packet->payload_packet_len > 100 && ntohs(get_u_int16_t(packet->payload, 0)) == 0x0115))) {
+			NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "found aimini (64, 0x010b), (>300, 0x0115), "
+					"(16, 0x010c || 64, 0x010b), (16, 0x010c || 64, 0x010b || >100, 0x0115).\n");
+			ndpi_int_aimini_add_connection(ndpi_struct, flow, NDPI_REAL_PROTOCOL);
+			return;
+		}
+
+		/* second packet chronology: (len, value): (136, 0x01c9), (136, 0x01c9),(136, 0x01c9),(136, 0x01c9 || 32, 0x01ca) */
+
+		if (flow->l4.udp.aimini_stage == 4 && packet->payload_packet_len == 136
+			&& (ntohs(get_u_int16_t(packet->payload, 0)) == 0x01c9 || ntohs(get_u_int16_t(packet->payload, 0)) == 0x0165)) {
+			flow->l4.udp.aimini_stage = 5;
+			NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "stage = 5.\n");
+			return;
+		}
+		if (flow->l4.udp.aimini_stage == 5 && (packet->payload_packet_len == 136
+											   && (ntohs(get_u_int16_t(packet->payload, 0)) == 0x01c9
+												   || ntohs(get_u_int16_t(packet->payload, 0)) == 0x0165))) {
+			flow->l4.udp.aimini_stage = 6;
+			NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "stage = 6.\n");
+			return;
+		}
+		if (flow->l4.udp.aimini_stage == 6 && ((packet->payload_packet_len == 136
+												&& ((ntohs(get_u_int16_t(packet->payload, 0)) == 0x0165)
+													|| ntohs(get_u_int16_t(packet->payload, 0)) == 0x01c9))
+											   || (packet->payload_packet_len == 32
+												   && ntohs(get_u_int16_t(packet->payload, 0)) == 0x01ca))) {
+			NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG,
+					"found aimini (136, 0x01c9), (136, 0x01c9)," "(136, 0x01c9),(136, 0x01c9 || 32, 0x01ca).\n");
+			ndpi_int_aimini_add_connection(ndpi_struct, flow, NDPI_REAL_PROTOCOL);
+			return;
+		}
+
+		/* third packet chronology: (len, value): (88, 0x0101), (88, 0x0101),(88, 0x0101),(88, 0x0101) */
+
+		if (flow->l4.udp.aimini_stage == 7 && packet->payload_packet_len == 88
+			&& ntohs(get_u_int16_t(packet->payload, 0)) == 0x0101) {
+			flow->l4.udp.aimini_stage = 8;
+			NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "stage = 8.\n");
+			return;
+		}
+		if (flow->l4.udp.aimini_stage == 8
+			&& (packet->payload_packet_len == 88 && ntohs(get_u_int16_t(packet->payload, 0)) == 0x0101)) {
+			flow->l4.udp.aimini_stage = 9;
+			NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "stage = 9.\n");
+			return;
+		}
+		if (flow->l4.udp.aimini_stage == 9
+			&& (packet->payload_packet_len == 88 && ntohs(get_u_int16_t(packet->payload, 0)) == 0x0101)) {
+			NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG,
+					"found aimini (88, 0x0101), (88, 0x0101)," "(88, 0x0101),(88, 0x0101).\n");
+			ndpi_int_aimini_add_connection(ndpi_struct, flow, NDPI_REAL_PROTOCOL);
+			return;
+		}
+
+		/* fourth packet chronology: (len, value): (104, 0x0102), (104, 0x0102), (104, 0x0102), (104, 0x0102) */
+
+		if (flow->l4.udp.aimini_stage == 10 && packet->payload_packet_len == 104
+			&& ntohs(get_u_int16_t(packet->payload, 0)) == 0x0102) {
+			flow->l4.udp.aimini_stage = 11;
+			NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "stage = 11.\n");
+			return;
+		}
+		if (flow->l4.udp.aimini_stage == 11
+			&& (packet->payload_packet_len == 104 && ntohs(get_u_int16_t(packet->payload, 0)) == 0x0102)) {
+			flow->l4.udp.aimini_stage = 12;
+			NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "stage = 12.\n");
+			return;
+		}
+		if (flow->l4.udp.aimini_stage == 12
+			&& ((packet->payload_packet_len == 104 && ntohs(get_u_int16_t(packet->payload, 0)) == 0x0102)
+				|| (packet->payload_packet_len == 32 && ntohs(get_u_int16_t(packet->payload, 0)) == 0x01ca))) {
+			NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG,
+					"found aimini (104, 0x0102), (104, 0x0102), " "(104, 0x0102), (104, 0x0102).\n");
+			ndpi_int_aimini_add_connection(ndpi_struct, flow, NDPI_REAL_PROTOCOL);
+			return;
+		}
+
+		/* fifth packet chronology (len, value): (32,0x01ca), (32,0x01ca), (32,0x01ca), ((136, 0x0166) || (32,0x01ca)) */
+
+		if (flow->l4.udp.aimini_stage == 13 && packet->payload_packet_len == 32
+			&& ntohs(get_u_int16_t(packet->payload, 0)) == 0x01ca) {
+			flow->l4.udp.aimini_stage = 14;
+			NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "stage = 14.\n");
+			return;
+		}
+		if (flow->l4.udp.aimini_stage == 14
+			&& ((packet->payload_packet_len == 32 && ntohs(get_u_int16_t(packet->payload, 0)) == 0x01ca)
+				|| (packet->payload_packet_len == 136 && ntohs(get_u_int16_t(packet->payload, 0)) == 0x0166))) {
+			flow->l4.udp.aimini_stage = 15;
+			NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "stage = 15.\n");
+			return;
+		}
+		if (flow->l4.udp.aimini_stage == 15
+			&& ((packet->payload_packet_len == 136 && ntohs(get_u_int16_t(packet->payload, 0)) == 0x0166)
+				|| (packet->payload_packet_len == 32 && ntohs(get_u_int16_t(packet->payload, 0)) == 0x01ca))) {
+			NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG,
+					"found aimini (32,0x01ca), (32,0x01ca), (32,0x01ca), ((136, 0x0166)||(32,0x01ca)).\n");
+			ndpi_int_aimini_add_connection(ndpi_struct, flow, NDPI_REAL_PROTOCOL);
+			return;
+		}
+
+		/* sixth packet chronology (len, value): (16, 0x010c), (16, 0x010c), (16, 0x010c), (16, 0x010c) */
+
+		if (flow->l4.udp.aimini_stage == 16 && packet->payload_packet_len == 16
+			&& ntohs(get_u_int16_t(packet->payload, 0)) == 0x010c) {
+			flow->l4.udp.aimini_stage = 17;
+			NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "stage = 17.\n");
+			return;
+		}
+		if (flow->l4.udp.aimini_stage == 17
+			&& (packet->payload_packet_len == 16 && ntohs(get_u_int16_t(packet->payload, 0)) == 0x010c)) {
+			flow->l4.udp.aimini_stage = 18;
+			NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "stage = 18.\n");
+			return;
+		}
+		if (flow->l4.udp.aimini_stage == 18
+			&& (packet->payload_packet_len == 16 && ntohs(get_u_int16_t(packet->payload, 0)) == 0x010c)) {
+			NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG,
+					"found aimini (16, 0x010c), (16, 0x010c), (16, 0x010c), (16, 0x010c).\n");
+			ndpi_int_aimini_add_connection(ndpi_struct, flow, NDPI_REAL_PROTOCOL);
+			return;
+		}
+	} else if (packet->tcp != NULL) {
+		if ((packet->payload_packet_len > NDPI_STATICSTRING_LEN("GET /player/") &&
+			 (memcmp(packet->payload, "GET /player/", NDPI_STATICSTRING_LEN("GET /player/")) == 0)) ||
+			(packet->payload_packet_len > NDPI_STATICSTRING_LEN("GET /play/?fid=") &&
+			 (memcmp(packet->payload, "GET /play/?fid=", NDPI_STATICSTRING_LEN("GET /play/?fid=")) == 0))) {
+			NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "HTTP packet detected.\n");
+			ndpi_parse_packet_line_info(ndpi_struct, flow);
+			if (packet->host_line.ptr != NULL && packet->host_line.len > 11
+				&& (memcmp(&packet->host_line.ptr[packet->host_line.len - 11], ".aimini.net", 11) == 0)) {
+				NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "AIMINI HTTP traffic detected.\n");
+				ndpi_int_aimini_add_connection(ndpi_struct, flow, NDPI_CORRELATED_PROTOCOL);
+				return;
+			}
+		}
+		if (packet->payload_packet_len > 100) {
+			if (memcmp(packet->payload, "GET /", NDPI_STATICSTRING_LEN("GET /")) == 0) {
+				if (memcmp(&packet->payload[NDPI_STATICSTRING_LEN("GET /")], "play/",
+						   NDPI_STATICSTRING_LEN("play/")) == 0 ||
+					memcmp(&packet->payload[NDPI_STATICSTRING_LEN("GET /")], "download/",
+						   NDPI_STATICSTRING_LEN("download/")) == 0) {
+					ndpi_parse_packet_line_info(ndpi_struct, flow);
+					if (is_special_aimini_host(packet->host_line) == 1) {
+						NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG,
+								"AIMINI HTTP traffic detected.\n");
+						ndpi_int_aimini_add_connection(ndpi_struct, flow, NDPI_CORRELATED_PROTOCOL);
+						return;
+					}
+				}
+			} else if (memcmp(packet->payload, "POST /", NDPI_STATICSTRING_LEN("POST /")) == 0) {
+				if (memcmp(&packet->payload[NDPI_STATICSTRING_LEN("POST /")], "upload/",
+						   NDPI_STATICSTRING_LEN("upload/")) == 0) {
+					ndpi_parse_packet_line_info(ndpi_struct, flow);
+					if (is_special_aimini_host(packet->host_line) == 1) {
+						NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG,
+								"AIMINI HTTP traffic detected.\n");
+						ndpi_int_aimini_add_connection(ndpi_struct, flow, NDPI_CORRELATED_PROTOCOL);
+						return;
+					}
+				}
+			}
+		}
+	}
+
+	NDPI_LOG(NDPI_PROTOCOL_AIMINI, ndpi_struct, NDPI_LOG_DEBUG, "exclude aimini.\n");
+	NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_AIMINI);
+
+}
+#endif