Add RELAX_CHECKS to OPENBRIDGE definitions

This disables source IP and port checking
to make OBP play nice with Docker.

Note, it *really* is a good idea to use a PASSPHRASE with this!

FreeDMR-SAMPLE.cfg

@@ -148,6 +148,7 @@ TARGET_PORT: 62044
 USE_ACL: True
 SUB_ACL: DENY:1
 TGID_ACL: PERMIT:ALL
+RELAX_CHECKS: False
 
 # MASTER INSTANCES - DUPLICATE SECTION FOR MULTIPLE MASTERS
 # HomeBrew Protocol Master instances go here.
@@ -183,79 +184,3 @@ VOICE_IDENT: True
 TS1_STATIC:
 TS2_STATIC:
 DEFAULT_REFLECTOR: 0
-
-# PEER INSTANCES - DUPLICATE SECTION FOR MULTIPLE PEERS
-# There are a LOT of errors in the HB Protocol specifications on this one!
-# MOST of these items are just strings and will be properly dealt with by the program
-# The TX & RX Frequencies are 9-digit numbers, and are the frequency in Hz.
-# Latitude is an 8-digit unsigned floating point number.
-# Longitude is a 9-digit signed floating point number.
-# Height is in meters
-# Setting Loose to True relaxes the validation on packets received from the master.
-# This will allow HBlink to connect to a non-compliant system such as XLXD, DMR+ etc.
-#
-# ACLs:
-# See comments in the GLOBAL stanza
-[REPEATER-1]
-MODE: PEER
-ENABLED: False
-LOOSE: False
-EXPORT_AMBE: False
-IP: 
-PORT: 54001
-MASTER_IP: 172.16.1.1
-MASTER_PORT: 54000
-PASSPHRASE: homebrew
-CALLSIGN: W1ABC
-RADIO_ID: 312000
-RX_FREQ: 449000000
-TX_FREQ: 444000000
-TX_POWER: 25
-COLORCODE: 1
-SLOTS: 1
-LATITUDE: 38.0000
-LONGITUDE: -095.0000
-HEIGHT: 75
-LOCATION: Anywhere, USA
-DESCRIPTION: This is a cool repeater
-URL: www.w1abc.org
-SOFTWARE_ID: 20170620
-PACKAGE_ID: MMDVM_HBlink
-GROUP_HANGTIME: 5
-OPTIONS:
-USE_ACL: True
-SUB_ACL: DENY:1
-TGID_TS1_ACL: PERMIT:ALL
-TGID_TS2_ACL: PERMIT:ALL
-
-[XLX-1]
-MODE: XLXPEER
-ENABLED: False
-LOOSE: True
-EXPORT_AMBE: False
-IP: 
-PORT: 54002
-MASTER_IP: 172.16.1.1
-MASTER_PORT: 62030
-PASSPHRASE: passw0rd
-CALLSIGN: W1ABC
-RADIO_ID: 312000
-RX_FREQ: 449000000
-TX_FREQ: 444000000
-TX_POWER: 25
-COLORCODE: 1
-SLOTS: 1
-LATITUDE: 38.0000
-LONGITUDE: -095.0000
-HEIGHT: 75
-LOCATION: Anywhere, USA
-DESCRIPTION: This is a cool repeater
-URL: www.w1abc.org
-SOFTWARE_ID: 20170620
-PACKAGE_ID: MMDVM_HBlink
-GROUP_HANGTIME: 5
-XLXMODULE: 4004
-USE_ACL: True
-SUB_ACL: DENY:1
-TGID_TS1_ACL: PERMIT:ALL
-TGID_TS2_ACL: PERMIT:ALL

config.py

@@ -300,7 +300,8 @@ def build_config(_config_file):
                         'USE_ACL': config.getboolean(section, 'USE_ACL'),
                         'SUB_ACL': config.get(section, 'SUB_ACL'),
                         'TG1_ACL': config.get(section, 'TGID_ACL'),
-                        'TG2_ACL': 'PERMIT:ALL'
+                        'TG2_ACL': 'PERMIT:ALL',
+                        'RELAX_CHECKS': config.getboolean(section, 'RELAX_CHECKS')
                     }})
                     
     

hblink.py

@@ -141,7 +141,7 @@ class OPENBRIDGE(DatagramProtocol):
             _hash = _packet[53:]
             _ckhs = hmac_new(self._config['PASSPHRASE'],_data,sha1).digest()
 
-            if compare_digest(_hash, _ckhs) and _sockaddr == self._config['TARGET_SOCK']:
+            if compare_digest(_hash, _ckhs) and (_sockaddr == self._config['TARGET_SOCK'] or self._config['RELAX_CHECKS']):
                 _peer_id = _data[11:15]
                 _seq = _data[4]
                 _rf_src = _data[5:8]