98 lines
3.2 KiB
Python
98 lines
3.2 KiB
Python
# Copyright (c) 2013 Cortney T. Buffington, N0MJS and the K0USY Group. n0mjs@me.com
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#
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# This work is licensed under the Creative Commons Attribution-ShareAlike
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# 3.0 Unported License.To view a copy of this license, visit
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# http://creativecommons.org/licenses/by-sa/3.0/ or send a letter to
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# Creative Commons, 444 Castro Street, Suite 900, Mountain View,
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# California, 94041, USA.
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# Known IPSC Message Types
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CALL_CONFIRMATION = b'\x05' # Confirmation FROM the recipient of a confirmed call.
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CALL_MON_ORIGIN = b'\x61' # |
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CALL_MON_RPT = b'\x62' # | Exact meaning unknown
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CALL_MON_NACK = b'\x63' # |
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XCMP_XNL = b'\x70' # XCMP/XNL control message
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GROUP_VOICE = b'\x80'
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PVT_VOICE = b'\x81'
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GROUP_DATA = b'\x83'
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PVT_DATA = b'\x84'
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RPT_WAKE_UP = b'\x85' # Similar to OTA DMR "wake up"
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MASTER_REG_REQ = b'\x90' # FROM peer TO master
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MASTER_REG_REPLY = b'\x91' # FROM master TO peer
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PEER_LIST_REQ = b'\x92'
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PEER_LIST_REPLY = b'\x93'
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PEER_REG_REQ = b'\x94' # Peer registration request
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PEER_REG_REPLY = b'\x95' # Peer registration reply
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MASTER_ALIVE_REQ = b'\x96' # FROM peer TO master
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MASTER_ALIVE_REPLY = b'\x97' # FROM master TO peer
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PEER_ALIVE_REQ = b'\x98' # Peer keep alive request
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PEER_ALIVE_REPLY = b'\x99' # Peer keep alive reply
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DE_REG_REQ = b'\x9A' # Request de-registration from system
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DE_REG_REPLY = b'\x9B' # De-registration reply
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# IPSC Version Information
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IPSC_VER_14 = b'\x00'
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IPSC_VER_15 = b'\x00'
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IPSC_VER_15A = b'\x00'
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IPSC_VER_16 = b'\x01'
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IPSC_VER_17 = b'\x02'
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IPSC_VER_18 = b'\x02'
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IPSC_VER_19 = b'\x03'
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IPSC_VER_22 = b'\x04'
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# Link Type Values - assumed that cap+, etc. are different, this is all I can confirm
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LINK_TYPE_IPSC = b'\x04'
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# IPSC Version and Link Type are Used for a 4-byte version field in registration packets
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IPSC_VER = LINK_TYPE_IPSC + IPSC_VER_19 + LINK_TYPE_IPSC + IPSC_VER_17
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# Packets that must originate from a peer (or master peer)
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ANY_PEER_REQUIRED = [GROUP_VOICE, PVT_VOICE, GROUP_DATA, PVT_DATA, CALL_MON_ORIGIN, CALL_MON_RPT, CALL_MON_NACK, XCMP_XNL, RPT_WAKE_UP, DE_REG_REQ]
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# Packets that must originate from a non-master peer
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PEER_REQUIRED = [PEER_ALIVE_REQ, PEER_ALIVE_REPLY, PEER_REG_REQ, PEER_REG_REPLY]
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# Packets that must originate from a master peer
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MASTER_REQUIRED = [PEER_LIST_REPLY, MASTER_ALIVE_REPLY]
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# User-Generated Packet Types
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USER_PACKETS = [GROUP_VOICE, PVT_VOICE, GROUP_DATA, PVT_DATA]
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# Conditions for accepting certain types of messages... the cornerstone of a secure IPSC system :)
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'''
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REQ_VALID_PEER = [
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PEER_REG_REQ,
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PEER_REG_REPLY
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]
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REQ_VALID_MASTER = [
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MASTER_REG_REQ,
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MASTER_REG_REPLY
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]
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REQ_MASTER_CONNECTED = [
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CALL_MON_ORIGIN,
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CALL_MON_RPT,
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CALL_MON_NACK,
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XCMP_XNL,
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GROUP_VOICE,
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PVT_VOICE,
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GROUP_DATA,
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GROUP_VOICE,
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PVT_DATA,
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RPT_WAKE_UP,
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MASTER_ALIVE_REQ,
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MASTER_ALIVE_REPLY,
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DE_REG_REQ,
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DE_REG_REPLY
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]
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REQ_PEER_CONNECTED = [
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PEER_ALIVE_REQ,
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PEER_ALIVE_REPLY
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]
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REQ_VALID_MASTER_OR_PEER = [
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REQ_VALID_PEER, REQ_VALID_MASTER
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]
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''' |