Added ApplePush support

1 files changed, 81 insertions, 0 deletions

diff --git a/src/lib/protocols/apple_push.c b/src/lib/protocols/apple_push.c
new file mode 100644
index 000000000..734be6e96
--- /dev/null
+++ b/src/lib/protocols/apple_push.c
@@ -0,0 +1,81 @@
+/*
+ * apple_push.c
+ *
+ * Copyright (C) 2018 by 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"
+
+#ifdef NDPI_PROTOCOL_APPLE_PUSH
+
+#define NDPI_CURRENT_PROTO NDPI_PROTOCOL_APPLE_PUSH
+
+#include "ndpi_api.h"
+
+static void ndpi_check_apple_push(struct ndpi_detection_module_struct *ndpi_struct,
+				  struct ndpi_flow_struct *flow) {
+  struct ndpi_packet_struct *packet = &flow->packet;
+
+  /* https://support.apple.com/en-us/HT203609 */
+  if(((ntohl(packet->iph->saddr) & 0xFF000000 /* 255.0.0.0 */) == 0x11000000 /* 17.0.0.0/8 */)
+     || ((ntohl(packet->iph->daddr) & 0xFF000000 /* 255.0.0.0 */) == 0x11000000 /* 17.0.0.0/8 */)) {
+    u_int16_t apple_push_port       = ntohs(5223);
+    u_int16_t notification_apn_port = ntohs(2195);
+    u_int16_t apn_feedback_port     = ntohs(2196);
+
+    if(((packet->tcp->source == apple_push_port) || (packet->tcp->dest == apple_push_port))
+       || ((packet->tcp->source == notification_apn_port) || (packet->tcp->dest == notification_apn_port))
+       || ((packet->tcp->source == apn_feedback_port) || (packet->tcp->dest == apn_feedback_port))
+       ) {
+      NDPI_LOG_INFO(ndpi_struct, "found apple_push\n");
+      ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_APPLE_PUSH, NDPI_PROTOCOL_UNKNOWN);
+      return;
+    }
+  }
+
+  NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
+}
+
+void ndpi_search_apple_push(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
+{
+  struct ndpi_packet_struct *packet = &flow->packet;
+
+  NDPI_LOG_DBG(ndpi_struct, "search apple_push\n");
+
+  /* skip marked packets */
+  if(packet->detected_protocol_stack[0] != NDPI_PROTOCOL_APPLE_PUSH)
+    ndpi_check_apple_push(ndpi_struct, flow);
+}
+
+
+void init_apple_push_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id, NDPI_PROTOCOL_BITMASK *detection_bitmask)
+{
+  ndpi_set_bitmask_protocol_detection("APPLE_PUSH", ndpi_struct, detection_bitmask, *id,
+				      NDPI_PROTOCOL_APPLE_PUSH,
+				      ndpi_search_apple_push,
+				      NDPI_SELECTION_BITMASK_PROTOCOL_TCP,
+				      SAVE_DETECTION_BITMASK_AS_UNKNOWN,
+				      ADD_TO_DETECTION_BITMASK);
+  *id += 1;
+}
+
+
+
+#endif