Python IpAddressAdapter示例

示例#1

文件： dns.py 项目： wanggaoxian/Blueprint_Lab_Software

)

query_record = Struct(
    "query_record",
    DnsStringAdapter(
        RepeatUntil(lambda obj, ctx: obj == "", PascalString("name"))),
    dns_record_type,
    dns_record_class,
)

rdata = Field("rdata", lambda ctx: ctx.rdata_length)

resource_record = Struct(
    "resource_record", CString("name", terminators=b"\xc0\x00"), Padding(1),
    dns_record_type, dns_record_class, UBInt32("ttl"), UBInt16("rdata_length"),
    IfThenElse("data", lambda ctx: ctx.type == "IPv4", IpAddressAdapter(rdata),
               rdata))

dns = Struct(
    "dns",
    UBInt16("id"),
    BitStruct(
        "flags",
        Enum(
            Bit("type"),
            QUERY=0,
            RESPONSE=1,
        ),
        Enum(
            Nibble("opcode"),
            STANDARD_QUERY=0,

示例#2

文件： arp.py 项目： wgwjifeng/ida_pdb_loader

def ProtoAddress(name):
    return IfThenElse(
        name, lambda ctx: ctx.protocol_type == "IP",
        IpAddressAdapter(Field("data", lambda ctx: ctx.protoaddr_length)),
        Field("data", lambda ctx: ctx.protoaddr_length))

示例#3

    ),
    dns_record_type,
    dns_record_class,
)

rdata = Field("rdata", lambda ctx: ctx.rdata_length)

resource_record = Struct("resource_record",
    CString("name", terminators = "\xc0\x00"),
    Padding(1),
    dns_record_type,
    dns_record_class,
    UBInt32("ttl"),
    UBInt16("rdata_length"),
    IfThenElse("data", lambda ctx: ctx.type == "IPv4",
        IpAddressAdapter(rdata),
        rdata
    )
)

dns = Struct("dns",
    UBInt16("id"),
    BitStruct("flags",
        Enum(Bit("type"),
            QUERY = 0,
            RESPONSE = 1,
        ),
        Enum(Nibble("opcode"),
            STANDARD_QUERY = 0,
            INVERSE_QUERY = 1,
            SERVER_STATUS_REQUEST = 2,