wlan mgt status code and get packet info methods were added

Signed-off-by: anil-tegala <anil.tegala@candelatech.com>

py-scripts/lf_pcap.py

@@ -47,7 +47,7 @@ class LfPcap(Realm):
                  _live_remote_cap_interface=None,
                  _debug_on=False
                  ):
-        super().__init__(lfclient_host=host, lfclient_port=port, debug_=_debug_on)
+        # super().__init__(lfclient_host=host, lfclient_port=port, debug_=_debug_on)
         self.host = host,
         self.port = port
         self.debug = _debug_on
@@ -61,14 +61,14 @@ class LfPcap(Realm):
         self.live_cap_timeout = _live_cap_timeout
         self.remote_cap_host = _live_remote_cap_host
         self.remote_cap_interface = _live_remote_cap_interface
-        self.wifi_monitor = WiFiMonitor(self.lfclient_url, local_realm=self, debug_=self.debug)
+        # self.wifi_monitor = WiFiMonitor(self.lfclient_url, local_realm=self, debug_=self.debug)
 
     def read_pcap(self, pcap_file, apply_filter=None):
         self.pcap_file = pcap_file
         if apply_filter is not None:
             self.apply_filter = apply_filter
         try:
-            self.pcap = ps.FileCapture(input_file=self.pcap_file, display_filter=self.apply_filter)
+            self.pcap = ps.FileCapture(input_file=self.pcap_file, display_filter=self.apply_filter, use_json=False)
         except Exception as error:
             raise error
         return self.pcap
@@ -89,6 +89,51 @@ class LfPcap(Realm):
             raise "Host error"
         return self.remote_pcap
 
+    def get_packet_info(self, pcap_file):
+        """get packet info from each packet from the pcap file"""
+        print("pcap file path:  %s" % pcap_file)
+        try:
+            if pcap_file is not None:
+                cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.fc.type_subtype==3 && wlan.tag.number==55')
+                packet_count = 0
+                data = []
+                for pkt in cap:
+                    data.append(pkt)
+                    packet_count += 1
+                print("Total Packets: ", packet_count)
+                print(data)
+                if packet_count != 0:
+                    return data
+                else:
+                    return data
+        except ValueError:
+            raise "pcap file is required"
+
+    def get_wlan_mgt_status_code(self, pcap_file):
+        """ To get status code of each packet in WLAN MGT Layer """
+        print("pcap file path:  %s" % pcap_file)
+        try:
+            if pcap_file is not None:
+                cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.fc.type_subtype==3 && wlan.tag.number==55')
+                packet_count = 0
+                value, data = '', []
+                for pkt in cap:
+                    # print(pkt)
+                    if 'wlan.mgt' in pkt:
+                        value = pkt['wlan.mgt'].get_field_value('wlan_fixed_status_code')
+                        if value == '0x0000':
+                            data.append('Successful')
+                        else:
+                            data.append('failed')
+                        packet_count += 1
+                print("Total Packets: ", packet_count)
+                if packet_count != 0:
+                    return data
+                else:
+                    return data
+        except ValueError:
+            raise "pcap file is required"
+
     def check_group_id_mgmt(self, pcap_file):
         print("pcap file path:  %s" % pcap_file)
         try:
@@ -96,37 +141,47 @@ class LfPcap(Realm):
                 print("Checking for Group ID Management Actions Frame...")
                 cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.mgt && wlan.vht.group_id_management')
                 packet_count = 0
+                value = "Frame Not Found"
                 for pkt in cap:
                     if 'wlan.mgt' in pkt:
                         value = pkt['wlan.mgt'].get_field_value('wlan_vht_group_id_management')
                         if value is not None:
-                            print(value)
+                            print("Group ID Management: ", value)
                             packet_count += 1
-                print(packet_count)
+                        if packet_count == 1:
+                            break
                 if packet_count >= 1:
-                    return True
+                    return {"Wireless Management - Group ID Management": str(value)}
                 else:
-                    return False
+                    return {"Wireless Management - Group ID Management": str(value)}
         except ValueError:
             raise "pcap file is required"
 
-    def check_beamformer_association_request(self, pcap_file):
+    def check_beamformee_association_request(self, pcap_file):
+        print("pcap file path:  %s" % pcap_file)
         try:
             if pcap_file is not None:
-                cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.vht.capabilities.mubeamformer == 1 &&  '
+                cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.vht.capabilities.mubeamformee == 1 &&  '
                                                                        'wlan.fc.type_subtype == 0')
                 packet_count = 0
+                value = "Frame Not Found"
                 for pkt in cap:
                     if 'wlan.mgt' in pkt:
-                        value = pkt['wlan.mgt'].get_field_value('wlan_vht_group_id_management')
+                        value = pkt['wlan.mgt'].get_field_value('wlan_vht_capabilities_mubeamformee')
                         if value is not None:
                             print(value)
                             packet_count += 1
+                            if value == 0:
+                                value = "Not Supported"
+                            if value == 1:
+                                value = "Supported"
+                            if packet_count == 1:
+                                break
                 print(packet_count)
                 if packet_count >= 1:
-                    return True
+                    return {"Association Request - MU Beamformee Capable": value}
                 else:
-                    return False
+                    return {"Association Request - MU Beamformee Capable": value}
         except ValueError:
             raise "pcap file is required"
 
@@ -136,30 +191,69 @@ class LfPcap(Realm):
                 cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.vht.capabilities.mubeamformer == 1 &&  '
                                                                        'wlan.fc.type_subtype == 1')
                 packet_count = 0
+                value = "Frame Not Found"
                 for pkt in cap:
                     if 'wlan.mgt' in pkt:
-                        value = pkt['wlan.mgt'].get_field_value('wlan_vht_group_id_management')
+                        value = pkt['wlan.mgt'].get_field_value('wlan_vht_capabilities_mubeamformer')
                         if value is not None:
                             print(value)
                             packet_count += 1
+                            if value == 0:
+                                value = "Not Supported"
+                            if value == 1:
+                                value = "Supported"
+                            if packet_count == 1:
+                                break
                 if packet_count >= 1:
-                    return True
+                    return {"Association Response -MU Beamformer Capable": value}
                 else:
-                    return False
+                    return {"Association Response -MU Beamformer Capable": value}
         except ValueError:
             raise "pcap file is required"
 
+    def check_beamformer_beacon_frame(self, pcap_file):
+        try:
+            if pcap_file is not None:
+                cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.fc.type_subtype == 8')
+                packet_count = 0
+                value = "Frame Not Found"
+                for pkt in cap:
+                    if 'wlan.mgt' in pkt:
+                        value = pkt['wlan.mgt'].get_field_value('wlan_vht_capabilities_mubeamformer')
+                        if value is not None:
+                            print(value)
+                            packet_count += 1
+                            if value == 0:
+                                value = "Not Supported"
+                            if value == 1:
+                                value = "Supported"
+                            if packet_count == 1:
+                                break
+                if packet_count >= 1:
+                    return {"Beacon Frame - MU Beamformer Capable": value}
+                else:
+                    return {"Beacon Frame - MU Beamformer Capable": value}
+        except ValueError:
+            raise "pcap file is required."
+
     def check_beamformer_report_poll(self, pcap_file):
         try:
             if pcap_file is not None:
                 cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.fc.type_subtype == 20')
                 packet_count = 0
+                value = "Frame Not Found"
                 for pkt in cap:
+                    if 'wlan' in pkt:
+                        value = pkt['wlan'].get_field_value('fc_type_subtype')
+                        if value is not None:
+                            print(value)
                             packet_count += 1
+                            if packet_count == 1:
+                                break
                 if packet_count >= 1:
-                    return True
+                    return {"Beamforming Report Poll ": value}
                 else:
-                    return False
+                    return {"Beamforming Report Poll ": value}
         except ValueError:
             raise "pcap file is required."
 
@@ -235,13 +329,15 @@ SETUP:
 This script requires pyshark to be installed before,you can install it by running "pip install pyshark"
 
 EXAMPLE:
-see: /py-scritps/lf_pcap_test.py 
+see: /py-scritps/lf_pcap.py 
 ---------------------
 ''')
     parser.add_argument('--pcap_file', '-p', help='provide the pcap file path', dest="pcap_file", required=True)
     parser.add_argument('--apply_filter', '-f', help='apply the filter you want to', dest='apply_filter', default=None)
     args = parser.parse_args()
     pcap_obj = LfPcap(
+        host="192.168.200.229",
+        port=8080,
         _read_pcap_file=args.pcap_file,
         _apply_filter=args.apply_filter,
         _live_filter=None,
@@ -250,8 +346,12 @@ see: /py-scritps/lf_pcap_test.py
         _live_cap_timeout=None,
         _live_remote_cap_interface=None
     )
-    test = pcap_obj.check_group_id_mgmt(pcap_file=pcap_obj.pcap_file)
+    # pcap_obj.check_group_id_mgmt(pcap_file=pcap_obj.pcap_file)
-    print(test)
+    # pcap_obj.check_beamformer_association_request(pcap_file=pcap_obj.pcap_file)
+    # pcap_obj.check_beamformer_association_response(pcap_file=pcap_obj.pcap_file)
+    # pcap_obj.check_beamformer_beacon_frame(pcap_file=pcap_obj.pcap_file)
+    # pcap_obj.get_wlan_mgt_status_code(pcap_file=pcap_obj.pcap_file)
+    # pcap_obj.get_packet_info(pcap_obj.pcap_file)
 
 
 if __name__ == "__main__":