1 files changed, 0 insertions, 107 deletions
diff --git a/src/lib/protocols/hangout.c b/src/lib/protocols/hangout.c
deleted file mode 100644
index 720b4045c..000000000
--- a/src/lib/protocols/hangout.c
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- * hangout.c
- *
- * Copyright (C) 2012-22 - ntop.org
- *
- * This module 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.
- *
- * This module 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.
- * If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#include "ndpi_protocol_ids.h"
-
-#define NDPI_CURRENT_PROTO NDPI_PROTOCOL_HANGOUT_DUO
-
-/* #define DEBUG_LRU 1 */
-
-#include "ndpi_api.h"
-
-/* stun.c */
-extern u_int32_t get_stun_lru_key(struct ndpi_flow_struct *flow, u_int8_t rev);
-
-/* https://support.google.com/a/answer/1279090?hl=en */
-#define HANGOUT_UDP_LOW_PORT  19302
-#define HANGOUT_UDP_HIGH_PORT 19309
-#define HANGOUT_TCP_LOW_PORT  19305
-#define HANGOUT_TCP_HIGH_PORT 19309
-
-/* ***************************************************************** */
-
-static u_int8_t isHangoutUDPPort(u_int16_t port) {
-  if((port >= HANGOUT_UDP_LOW_PORT) && (port <= HANGOUT_UDP_HIGH_PORT))
-    return(1);
-  else
-    return(0);
-}
-
-/* ***************************************************************** */
-
-static u_int8_t isHangoutTCPPort(u_int16_t port) {
-  if((port >= HANGOUT_TCP_LOW_PORT) && (port <= HANGOUT_TCP_HIGH_PORT))
-    return(1);
-  else
-    return(0);
-}
-
-/* ***************************************************************** */
-
-static void ndpi_search_hangout(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 Hangout\n");
-
-  if((packet->payload_packet_len > 24) && flow->guessed_protocol_id_by_ip == NDPI_PROTOCOL_GOOGLE) {
-    int matched_src = 0;
-    if(
-       ((packet->udp != NULL) && (matched_src = isHangoutUDPPort(ntohs(packet->udp->source))
-				  || isHangoutUDPPort(ntohs(packet->udp->dest))))
-       ||
-       ((packet->tcp != NULL) && (matched_src = isHangoutTCPPort(ntohs(packet->tcp->source))
-				  || isHangoutTCPPort(ntohs(packet->tcp->dest))))) {
-      NDPI_LOG_INFO(ndpi_struct, "found Hangout\n");
-
-      /* Hangout is over STUN hence the LRU cache is shared */
-
-      if(ndpi_struct->stun_cache) {
-	u_int32_t key = get_stun_lru_key(flow, !matched_src);
-
-#ifdef DEBUG_LRU
-	printf("[LRU] ADDING %u / %u.%u\n", key, NDPI_PROTOCOL_STUN, NDPI_PROTOCOL_HANGOUT_DUO);
-#endif
-
-	ndpi_lru_add_to_cache(ndpi_struct->stun_cache, key, NDPI_PROTOCOL_HANGOUT_DUO, ndpi_get_current_time(flow));
-      }
-      
-      ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_HANGOUT_DUO,
-				 NDPI_PROTOCOL_STUN, NDPI_CONFIDENCE_DPI);
-      return;
-    }
-  }
-  
-  NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
-}
-
-/* ***************************************************************** */
-
-void init_hangout_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id) {
-  ndpi_set_bitmask_protocol_detection("GoogleHangout", ndpi_struct, *id,
-				      NDPI_PROTOCOL_HANGOUT_DUO,
-				      ndpi_search_hangout,
-				      NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_OR_UDP_WITH_PAYLOAD_WITHOUT_RETRANSMISSION,
-				      SAVE_DETECTION_BITMASK_AS_UNKNOWN,
-				      ADD_TO_DETECTION_BITMASK);
-
-  *id += 1;
-}
-