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-rw-r--r--decode/wmc.py211
1 files changed, 211 insertions, 0 deletions
diff --git a/decode/wmc.py b/decode/wmc.py
new file mode 100644
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+++ b/decode/wmc.py
@@ -0,0 +1,211 @@
+#!/usr/bin/python
+# -*- Mode: python; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details:
+#
+# Copyright (C) 2011 Red Hat, Inc.
+#
+
+import binascii
+import struct
+import defs
+
+def unpack(data, direction):
+ # unpack the data
+ if direction == defs.TO_MODEM:
+ if data[:14] == "41542a574d433d":
+ # remove the AT*WMC= bits, and the newline and CRC at the end
+ data = data[14:]
+ if data[len(data) - 2:] == "0d":
+ data = data[:len(data) - 6]
+ elif direction == defs.TO_HOST:
+ if data[len(data) - 2:] == "7e":
+ # remove HDLC terminator and CRC
+ data = data[:len(data) - 6]
+ else:
+ raise ValueError("No data direction")
+
+ data = binascii.unhexlify(data)
+
+ # PPP-unescape it
+ escape = False
+ new_data = ""
+ for i in data:
+ if ord(i) == 0x7D:
+ escape = True
+ elif escape == True:
+ new_data += chr(ord(i) ^ 0x20)
+ escape = False
+ else:
+ new_data += i
+
+ return new_data
+
+def show_data(data, prefix):
+ line = ""
+ for i in data:
+ line += " %02x" % ord(i)
+ print prefix + " Data: %s" % line
+
+def show_device_info(data, prefix, direction):
+ if direction != defs.TO_HOST:
+ return
+
+ fmt = "<"
+ fmt = fmt + "27s" # unknown1
+ fmt = fmt + "64s" # manf
+ fmt = fmt + "64s" # model
+ fmt = fmt + "64s" # fwrev
+ fmt = fmt + "64s" # hwrev
+ fmt = fmt + "64s" # unknown2
+ fmt = fmt + "64s" # unknown3
+ fmt = fmt + "10s" # min
+ fmt = fmt + "12s" # unknown4
+ fmt = fmt + "H" # home_sid
+ fmt = fmt + "6s" # unknown5
+ fmt = fmt + "H" # eri_ver?
+ fmt = fmt + "3s" # unknown6
+ fmt = fmt + "64s" # unknown7
+ fmt = fmt + "20s" # meid
+ fmt = fmt + "22s" # imei
+ fmt = fmt + "16s" # unknown9
+ fmt = fmt + "22s" # iccid
+ fmt = fmt + "4s" # unknown10
+ fmt = fmt + "16s" # MCC
+ fmt = fmt + "16s" # MNC
+ fmt = fmt + "4s" # unknown11
+ fmt = fmt + "4s" # unknown12
+ fmt = fmt + "4s" # unknown13
+ fmt = fmt + "1s"
+
+ expected = struct.calcsize(fmt)
+ if len(data) != expected:
+ raise ValueError("Unexpected Info command response len (got %d expected %d)" % (len(data), expected))
+ (u1, manf, model, fwrev, hwrev, u2, u3, cdmamin, u4, homesid, u5, eriver, \
+ u6, u7, meid, imei, u9, iccid, u10, mcc, mnc, u11, u12, u13, u14) = struct.unpack(fmt, data)
+
+ print prefix + " Manf: %s" % manf
+ print prefix + " Model: %s" % model
+ print prefix + " FW Rev: %s" % fwrev
+ print prefix + " HW Rev: %s" % hwrev
+ print prefix + " MIN: %s" % cdmamin
+ print prefix + " Home SID: %d" % homesid
+ print prefix + " ERI Ver: %d" % eriver
+ print prefix + " MEID: %s" % meid
+ print prefix + " IMEI: %s" % imei
+ print prefix + " Unk9: %s" % u9
+ print prefix + " ICCID: %s" % iccid
+ print prefix + " MCC: %s" % mcc
+ print prefix + " MNC: %s" % mnc
+
+def show_ip_info(data, prefix, direction):
+ if direction != defs.TO_HOST:
+ return
+
+ fmt = "<"
+ fmt = fmt + "I" # rx_bytes
+ fmt = fmt + "I" # tx_bytes
+ fmt = fmt + "8s" # unknown3
+ fmt = fmt + "B" # unknown4
+ fmt = fmt + "7s" # unknown7
+ fmt = fmt + "16s" # ip4_address
+ fmt = fmt + "8s" # netmask?
+ fmt = fmt + "40s" # ip6_address
+
+ expected = struct.calcsize(fmt)
+ if len(data) != expected:
+ raise ValueError("Unexpected IP Info command response len (got %d expected %d)" % (len(data), expected))
+ (rxb, txb, u3, u4, u7, ip4addr, netmask, ip6addr) = struct.unpack(fmt, data)
+
+ print prefix + " RX Bytes: %d" % rxb
+ print prefix + " TX Bytes: %d" % txb
+ print prefix + " IP4 Addr: %s" % ip4addr
+ print prefix + " IP6 Addr: %s" % ip6addr
+
+def get_signal(item):
+ if item == 0x7D:
+ return (item * -1, "(NO SIGNAL)")
+ else:
+ return (item * -1, "")
+
+def show_status(data, prefix, direction):
+ if direction != defs.TO_HOST:
+ return
+
+ fmt = "<"
+ fmt = fmt + "B" # unknown1
+ fmt = fmt + "3s" # unknown2
+ fmt = fmt + "B" # unknown3
+ fmt = fmt + "B" # unknown4
+ fmt = fmt + "10s" # magic
+ fmt = fmt + "H" # counter1
+ fmt = fmt + "H" # counter2
+ fmt = fmt + "B" # unknown5
+ fmt = fmt + "3s" # unknown6
+ fmt = fmt + "B" # cdma1x_dbm
+ fmt = fmt + "3s" # unknown7
+ fmt = fmt + "16s" # cdma_opname
+ fmt = fmt + "18s" # unknown8
+ fmt = fmt + "B" # hdr_dbm
+ fmt = fmt + "3s" # unknown9
+ fmt = fmt + "B" # unknown10
+ fmt = fmt + "3s" # unknown11
+ fmt = fmt + "B" # unknown12
+ fmt = fmt + "8s" # lte_opname
+ fmt = fmt + "60s" # unknown13
+ fmt = fmt + "B" # lte_dbm
+ fmt = fmt + "3s" # unknown14
+ fmt = fmt + "4s" # unknown15
+
+ expected = struct.calcsize(fmt)
+ if len(data) != expected:
+ raise ValueError("Unexpected Status command response len (got %d expected %d)" % (len(data), expected))
+ (u1, u2, u3, u4, magic, counter1, counter2, u5, u6, cdma_dbm, u7, cdma_opname, \
+ u8, hdr_dbm, u9, u10, u11, u12, lte_opname, u13, lte_dbm, u14, u15) = struct.unpack(fmt, data)
+
+ print prefix + " Counter1: %s" % counter1
+ print prefix + " Counter2: %s" % counter2
+ print prefix + " CDMA dBm: %d dBm %s" % get_signal(cdma_dbm)
+ print prefix + " CDMA Op: %s" % cdma_opname
+ print prefix + " HDR dBm: %d dBm %s" % get_signal(hdr_dbm)
+ print prefix + " LTE Op: %s" % lte_opname
+ print prefix + " LTE dBm: %d dBm %s" % get_signal(lte_dbm)
+
+def show_init(data, prefix, direction):
+ show_data(data, prefix)
+
+def show_bearer_info(data, prefix, direction):
+ pass
+
+cmds = { 0x06: ("DEVICE_INFO", show_device_info),
+ 0x0A: ("IP_INFO", show_ip_info),
+ 0x0B: ("STATUS", show_status),
+ 0x0D: ("INIT", show_init),
+ 0x4D: ("EPS_BEARER_INFO", show_bearer_info)
+ }
+
+def show(data, prefix, direction):
+ data = data[1:] # skip 0xC8 header
+ cmdno = ord(data[:1])
+ try:
+ cmdinfo = cmds[cmdno]
+ except KeyError:
+ return
+ data = data[1:] # skip cmdno
+
+ print prefix + "WMC Packet:"
+ print prefix + " Cmd: 0x%02x (%s)" % (cmdno, cmdinfo[0])
+ cmdinfo[1](data, prefix, direction)
+ print ""
+
+def get_funcs():
+ return (unpack, show)
+
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-06-08 07:28:40 +0000