fixed 1kxun application protocol to avoid false positive in udp detection

1 files changed, 0 insertions, 98 deletions

diff --git a/src/lib/protocols/kxun.c b/src/lib/protocols/kxun.c
deleted file mode 100644
index d78e77a1a..000000000
--- a/src/lib/protocols/kxun.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * kxun.c
- *
- * Copyright (C) 2016 - ntop.org
- *
- * 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_1KXUN
-
-
-static void ndpi_int_kxun_add_connection(struct ndpi_detection_module_struct
-					     *ndpi_struct, struct ndpi_flow_struct *flow)
-{
-  ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_1KXUN, NDPI_PROTOCOL_UNKNOWN);
-}
-
-
-void ndpi_search_kxun(struct ndpi_detection_module_struct
-			  *ndpi_struct, struct ndpi_flow_struct *flow)
-{
-  struct ndpi_packet_struct *packet = &flow->packet;
-
-  /* 1KXUN over TCP is detected inside HTTP dissector */
-	
-  /* check 1KXUN over UDP */
-  if(packet->udp != NULL) {
-    /* check ipv6 */
-    if(packet->iphv6 != NULL) {
-      if(packet->iphv6->ip6_dst.u6_addr.u6_addr32[0] == 0x2ff &&
-	 packet->payload_packet_len == 329) {
-	if(packet->payload[0] == 0xff &&
-	   packet->payload[1] == 0x0f &&
-	   packet->payload[4] == 0xa0 &&
-	   packet->payload[5] == 0x00) {
-	  NDPI_LOG(NDPI_PROTOCOL_1KXUN, ndpi_struct, NDPI_LOG_DEBUG,
-		   "found 1kxun over udp.\n");
-	  ndpi_int_kxun_add_connection(ndpi_struct, flow);
-	  return;
-	}
-      }
-    }
-    else if(packet->iph != NULL) {
-      if(packet->iph->daddr == 0xffffffff) {
-	if(packet->payload_packet_len == 40 &&
-	   packet->payload[8] == 0x41 &&
-	   packet->payload[9] == 0x41 &&
-	   packet->payload[10] == 0x42) {
-	  NDPI_LOG(NDPI_PROTOCOL_1KXUN, ndpi_struct, NDPI_LOG_DEBUG,
-		   "found 1kxun over udp.\n");
-	  ndpi_int_kxun_add_connection(ndpi_struct, flow);
-	  return;
-	}
-	if(packet->payload_packet_len == 317 &&
-	   packet->payload[0] == 0xff &&
-	   packet->payload[1] == 0xff &&
-	   packet->payload[4] == 0xa0 &&
-	   packet->payload[5] == 0x00) {
-	  NDPI_LOG(NDPI_PROTOCOL_1KXUN, ndpi_struct, NDPI_LOG_DEBUG,
-		   "found 1kxun over udp.\n");
-	  ndpi_int_kxun_add_connection(ndpi_struct, flow);
-	  return;
-	}
-      }
-    }
-  }
-  /* EXCLUDE 1KXUN */
-  NDPI_LOG(NDPI_PROTOCOL_1KXUN, ndpi_struct, NDPI_LOG_DEBUG, "exclude 1kxun.\n");
-  NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_1KXUN);
-}
-
-
-void init_kxun_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id, NDPI_PROTOCOL_BITMASK *detection_bitmask)
-{
-  ndpi_set_bitmask_protocol_detection("1kxun", ndpi_struct, detection_bitmask, *id,
-				      NDPI_PROTOCOL_1KXUN,
-				      ndpi_search_kxun,
-				      NDPI_SELECTION_BITMASK_PROTOCOL_UDP_WITH_PAYLOAD,
-				      SAVE_DETECTION_BITMASK_AS_UNKNOWN,
-				      ADD_TO_DETECTION_BITMASK);
-
-  *id += 1;
-}
-
-#endif