python解析苹果identification信息

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from construct import *

def MessagesSentByAccessory(data):
    d = GreedyRange(Int16ub)
    pkt = d.parse(data)
    for i in pkt:
        print('%04x' % i)
    
idmap = {
    0x0000: {
        'name': 'Name',
        'handler': None
    },
    0x0001: {
        'name': 'ModelIdentifier',
        'handler': None
    },
    0x0002: {
        'name': 'Manufacturer',
        'handler': None
    },
    0x0003: {
        'name': 'SerialNumber',
        'handler': None
    },
    0x0004: {
        'name': 'FirmwareVersion',
        'handler': None
    },
    0x0005: {
        'name': 'HardwareVersion',
        'handler': None
    },
    0x0006: {
        'name': 'MessagesSentByAccessory',
        'handler': MessagesSentByAccessory
    },
    0x0007: {
        'name': 'MessagesReceivedFromDevice',
        'handler': None
    },
    0x0008: {
        'name': 'PowerProvidingCapability',
        'handler': None
    },
    0x0009: {
        'name': 'MaximumCurrentDrawnFromDevice',
        'handler': None
    },
    0x000a: {
        'name': 'SupportedExternalAccessoryProtocol',
        'handler': None
    },
    0x000b: {
        'name': 'AppMatchTeamID',
        'handler': None
    },
    0x000c: {
        'name': 'CurrentLanguage',
        'handler': None
    },
    0x000d: {
        'name': 'SupportedLanguage',
        'handler': None
    },
    0x000e: {
        'name': 'UARTTransportComponent',
        'handler': None
    },
    0x000f: {
        'name': 'USBDeviceTransportComponent',
        'handler': None
    },
    0x0010: {
        'name': 'USBHostTransportComponent',
        'handler': None
    },
    0x0011: {
        'name': 'BluetoothTransportComponent',
        'handler': None
    },
    0x0012: {
        'name': 'iAP2HIDComponent',
        'handler': None
    },
    0x0016: {
        'name': 'LocationInformationComponent',
        'handler': None
    },
    0x0017: {
        'name': 'USBHostHIDComponent',
        'handler': None
    },
    0x001d: {
        'name': 'BluetoothHIDComponent',
        'handler': None
    },
    0x0022: {
        'name': 'ProductPlanUID',
        'handler': None
    },
    0x0014: {
        'name': 'VehicleInformationComponent',
        'handler': None
    },
}

data = bytes([
0x40, 0x40, 0x01, 0xA5, 0x1D, 0x01, 0x00, 0x0F, 0x00, 0x00, 0x56, 0x6F, 0x6C, 0x6B, 0x73, 0x77, 0x61, 0x67, 0x65, 0x6E, 0x00, 0x00, 0x0F, 0x00, 0x01, 0x31, 0x37, 0x47, 0x30, 0x33, 0x35, 0x32, 0x38, 0x30, 0x20, 0x00, 0x00, 0x18, 0x00, 0x02, 0x44, 0x65, 0x73, 0x61, 0x79, 0x20, 0x53, 0x56, 0x20, 0x41, 0x75, 0x74, 0x6F, 0x6D, 0x6F, 0x74, 0x69, 0x76, 0x65, 0x00, 0x00, 0x13, 0x00, 0x03, 0x56, 0x57, 0x5A, 0x36, 0x5A, 0x32, 0x53, 0x30, 0x30, 0x32, 0x38, 0x34, 0x38, 0x30, 0x00, 0x00, 0x09, 0x00, 0x04, 0x30, 0x33, 0x39, 0x31, 0x00, 0x00, 0x0B, 0x00, 0x05, 0x33, 0x36, 0x2E, 0x30, 0x2E, 0x30, 0x00, 0x00, 0x16, 0x00, 0x06, 0xAE, 0x00, 0xAE, 0x02, 0xAE, 0x03, 0xFF, 0xFB, 0x41, 0x54, 0x41, 0x56, 0x41, 0x57, 0x41, 0x59, 0xEA, 0x02, 0x00, 0x12, 0x00, 0x07, 0xAE, 0x01, 0xFF, 0xFA, 0xFF, 0xFC, 0x41, 0x55, 0x41, 0x58, 0xEA, 0x00, 0xEA, 0x01, 0x00, 0x05, 0x00, 0x08, 0x02, 0x00, 0x06, 0x00, 0x09, 0x00, 0x00, 0x00, 0x36, 0x00, 0x0A, 0x00, 0x05, 0x00, 0x00, 0x0D, 0x00, 0x28, 0x00, 0x01, 0x63, 0x6F, 0x6D, 0x2E, 0x76, 0x77, 0x61, 0x67, 0x2E, 0x69, 0x6E, 0x66, 0x6F, 0x74, 0x61, 0x69, 0x6E, 0x6D, 0x65, 0x6E, 0x74, 0x2E, 0x63, 0x61, 0x72, 0x70, 0x6C, 0x61, 0x79, 0x2E, 0x65, 0x78, 0x6C, 0x61, 0x70, 0x00, 0x00, 0x05, 0x00, 0x02, 0x01, 0x00, 0x1F, 0x00, 0x0A, 0x00, 0x05, 0x00, 0x00, 0x0E, 0x00, 0x11, 0x00, 0x01, 0x63, 0x6F, 0x6D, 0x2E, 0x61, 0x70, 0x70, 0x6C, 0x65, 0x2E, 0x70, 0x31, 0x00, 0x00, 0x05, 0x00, 0x02, 0x01, 0x00, 0x1F, 0x00, 0x0A, 0x00, 0x05, 0x00, 0x00, 0x0F, 0x00, 0x11, 0x00, 0x01, 0x63, 0x6F, 0x6D, 0x2E, 0x61, 0x70, 0x70, 0x6C, 0x65, 0x2E, 0x70, 0x32, 0x00, 0x00, 0x05, 0x00, 0x02, 0x01, 0x00, 0x07, 0x00, 0x0C, 0x65, 0x6E, 0x00, 0x00, 0x07, 0x00, 0x0D, 0x65, 0x6E, 0x00, 0x00, 0x0A, 0x00, 0x0D, 0x7A, 0x68, 0x5F, 0x43, 0x4E, 0x00, 0x00, 0x2E, 0x00, 0x10, 0x00, 0x06, 0x00, 0x00, 0x00, 0x1C, 0x00, 0x1B, 0x00, 0x01, 0x54, 0x72, 0x61, 0x6E, 0x73, 0x70, 0x6F, 0x72, 0x74, 0x43, 0x6F, 0x6D, 0x70, 0x6F, 0x6E, 0x65, 0x6E, 0x74, 0x4E, 0x61, 0x6D, 0x65, 0x00, 0x00, 0x04, 0x00, 0x02, 0x00, 0x05, 0x00, 0x03, 0x01, 0x00, 0x32, 0x00, 0x14, 0x00, 0x06, 0x00, 0x00, 0x00, 0x2A, 0x00, 0x14, 0x00, 0x01, 0x56, 0x45, 0x48, 0x49, 0x43, 0x4C, 0x45, 0x49, 0x4E, 0x46, 0x4F, 0x43, 0x4F, 0x4D, 0x50, 0x00, 0x00, 0x05, 0x00, 0x02, 0x00, 0x00, 0x0F, 0x00, 0x06, 0x56, 0x6F, 0x6C, 0x6B, 0x73, 0x77, 0x61, 0x67, 0x65, 0x6E, 0x00, 0x00, 0x23, 0x00, 0x16, 0x00, 0x06, 0x00, 0x00, 0x00, 0x29, 0x00, 0x15, 0x00, 0x01, 0x4C, 0x4F, 0x43, 0x41, 0x54, 0x49, 0x4F, 0x4E, 0x49, 0x4E, 0x46, 0x4F, 0x43, 0x4F, 0x4D, 0x50, 0x00, 0x00, 0x04, 0x00, 0x14])

#data = bytes.fromhex('404000E31D01000E000051756269692050726F00000C00014D4B5051532D5700001000024D616B74617220496E632E00001500034230373033323130323036413030433500000A0004312E302E3300000A0005312E302E3100000A0006AE00AE02AE0300060007AE010005000802000600090000002C000A000500000000180001636F6D2E6D616B7461722E717562696970726F000005000201000600030000000F000B4E4C354837544B475645000007000C656E000007000D656E0000260010000600000000001800014C696768746E696E6720436F6E6E6563746F72000004000268')
#data = bytes.fromhex('404000E21D02000E0000636F6F6C6275696C6400000E0001636F6F6C6275696C6400000E0002636F6F6C6275696C6400000E0003636F6F6C6275696C640000120004636F6F6C6275696C642D312E300000080005312E3000000A0006AE00AE02AE0300060007AE0100050008020006000900000007000C656E000007000D656E00002C000A000500000000180001636F6D2E6D616B7461722E717562696970726F000005000201000600030000000F000B4E4C354837544B4756450000260010000600000000001800014C696768746E696E6720436F6E6E6563746F720000040002BE')

format = Struct(
    "magic" / Bytes(2),
    "length" / Int16ub,
    "id" / Int16ub,
    "data" / Bytes(this.length - 6)
)

pkt = format.parse(data)
data = pkt.data

while True:
    if len(data) <= 0:
        break
    format = Struct(
        "length" / Int16ub,
        "id" / Int16ub,
        "data" / Bytes(this.length - 4)
    )
    pkt = format.parse(data)
    data = data[pkt.length:]
    if pkt.id in idmap:
        print('======%s======' % idmap[pkt.id]['name'])
        print(pkt.data)
        handler = idmap[pkt.id]['handler']
        if handler != None:
            handler(pkt.data)
        
    else:
        print('=====> %d' % pkt.id)