如何在iOS 4.0 iTunes备份中解析Manifest.mbdb文件

82

在iOS 4.0中，Apple重新设计了备份过程。

iTunes过去曾在Manifest.plist文件中存储与备份文件关联的文件名列表，但在iOS 4.0中，它已将此信息移至Manifest.mbdb中。

通过使用iOS 4.0设备进行备份并在〜/ Library / Application Support / MobileSync / Backup文件夹中查找，可以查看此文件的示例（在子文件夹中查看最新日期）

这是文本编辑器中文件外观的屏幕截图：

替代文字
（来源：supercrazyawesome.com）

如何将其解析为Cocoa应用程序，以便为iOS 4.0更新（免费）iPhone Backup Extractor应用程序（http://supercrazyawesome.com）？

iphone  ios4  backup  extract 
— 帕德拉格
source
我也有同样的问题。我尝试了SQLite，Berkeley DB，序列化NSDictionary和其他一些东西。如果发现有问题，请进行更新。还有一个dbx文件，它似乎是一种加密格式。
— John Wright 2010年
只是一个音符；一旦确定哪个文件是solidated.db文件，如果您有Verizon电话，则您的数据将驻留在CdmaCellLocation表中，而不是CellLocation表中（该表为空）。万一没人知道它是什么=）

Answers:

83

谢谢user374559和reneD的支持-代码和描述非常有帮助。

我在某些Python上的刺探以解析并以Unix ls-l格式输出信息：

#!/usr/bin/env python
import sys

def getint(data, offset, intsize):
    """Retrieve an integer (big-endian) and new offset from the current offset"""
    value = 0
    while intsize > 0:
        value = (value<<8) + ord(data[offset])
        offset = offset + 1
        intsize = intsize - 1
    return value, offset

def getstring(data, offset):
    """Retrieve a string and new offset from the current offset into the data"""
    if data[offset] == chr(0xFF) and data[offset+1] == chr(0xFF):
        return '', offset+2 # Blank string
    length, offset = getint(data, offset, 2) # 2-byte length
    value = data[offset:offset+length]
    return value, (offset + length)

def process_mbdb_file(filename):
    mbdb = {} # Map offset of info in this file => file info
    data = open(filename).read()
    if data[0:4] != "mbdb": raise Exception("This does not look like an MBDB file")
    offset = 4
    offset = offset + 2 # value x05 x00, not sure what this is
    while offset < len(data):
        fileinfo = {}
        fileinfo['start_offset'] = offset
        fileinfo['domain'], offset = getstring(data, offset)
        fileinfo['filename'], offset = getstring(data, offset)
        fileinfo['linktarget'], offset = getstring(data, offset)
        fileinfo['datahash'], offset = getstring(data, offset)
        fileinfo['unknown1'], offset = getstring(data, offset)
        fileinfo['mode'], offset = getint(data, offset, 2)
        fileinfo['unknown2'], offset = getint(data, offset, 4)
        fileinfo['unknown3'], offset = getint(data, offset, 4)
        fileinfo['userid'], offset = getint(data, offset, 4)
        fileinfo['groupid'], offset = getint(data, offset, 4)
        fileinfo['mtime'], offset = getint(data, offset, 4)
        fileinfo['atime'], offset = getint(data, offset, 4)
        fileinfo['ctime'], offset = getint(data, offset, 4)
        fileinfo['filelen'], offset = getint(data, offset, 8)
        fileinfo['flag'], offset = getint(data, offset, 1)
        fileinfo['numprops'], offset = getint(data, offset, 1)
        fileinfo['properties'] = {}
        for ii in range(fileinfo['numprops']):
            propname, offset = getstring(data, offset)
            propval, offset = getstring(data, offset)
            fileinfo['properties'][propname] = propval
        mbdb[fileinfo['start_offset']] = fileinfo
    return mbdb

def process_mbdx_file(filename):
    mbdx = {} # Map offset of info in the MBDB file => fileID string
    data = open(filename).read()
    if data[0:4] != "mbdx": raise Exception("This does not look like an MBDX file")
    offset = 4
    offset = offset + 2 # value 0x02 0x00, not sure what this is
    filecount, offset = getint(data, offset, 4) # 4-byte count of records 
    while offset < len(data):
        # 26 byte record, made up of ...
        fileID = data[offset:offset+20] # 20 bytes of fileID
        fileID_string = ''.join(['%02x' % ord(b) for b in fileID])
        offset = offset + 20
        mbdb_offset, offset = getint(data, offset, 4) # 4-byte offset field
        mbdb_offset = mbdb_offset + 6 # Add 6 to get past prolog
        mode, offset = getint(data, offset, 2) # 2-byte mode field
        mbdx[mbdb_offset] = fileID_string
    return mbdx

def modestr(val):
    def mode(val):
        if (val & 0x4): r = 'r'
        else: r = '-'
        if (val & 0x2): w = 'w'
        else: w = '-'
        if (val & 0x1): x = 'x'
        else: x = '-'
        return r+w+x
    return mode(val>>6) + mode((val>>3)) + mode(val)

def fileinfo_str(f, verbose=False):
    if not verbose: return "(%s)%s::%s" % (f['fileID'], f['domain'], f['filename'])
    if (f['mode'] & 0xE000) == 0xA000: type = 'l' # symlink
    elif (f['mode'] & 0xE000) == 0x8000: type = '-' # file
    elif (f['mode'] & 0xE000) == 0x4000: type = 'd' # dir
    else: 
        print >> sys.stderr, "Unknown file type %04x for %s" % (f['mode'], fileinfo_str(f, False))
        type = '?' # unknown
    info = ("%s%s %08x %08x %7d %10d %10d %10d (%s)%s::%s" % 
            (type, modestr(f['mode']&0x0FFF) , f['userid'], f['groupid'], f['filelen'], 
             f['mtime'], f['atime'], f['ctime'], f['fileID'], f['domain'], f['filename']))
    if type == 'l': info = info + ' -> ' + f['linktarget'] # symlink destination
    for name, value in f['properties'].items(): # extra properties
        info = info + ' ' + name + '=' + repr(value)
    return info

verbose = True
if __name__ == '__main__':
    mbdb = process_mbdb_file("Manifest.mbdb")
    mbdx = process_mbdx_file("Manifest.mbdx")
    for offset, fileinfo in mbdb.items():
        if offset in mbdx:
            fileinfo['fileID'] = mbdx[offset]
        else:
            fileinfo['fileID'] = "<nofileID>"
            print >> sys.stderr, "No fileID found for %s" % fileinfo_str(fileinfo)
        print fileinfo_str(fileinfo, verbose)
— 胆囊
source
14
这篇文章将载入史册。
— pbarney 2011年
辉煌！我在缺少来自user374559的代码的模块时遇到了一些麻烦-但是，那么，我是python的新手。
— westsider
3
上面的文本是在petewarden.github.com/iPhoneTracker中称为“ iphonels.py”的脚本，可用于查找Apple位置跟踪数据库。
— Flash Sheridan
4
请注意，如果您只是在open（）调用中添加一个“ rb”参数，则在Windows上也可以正常运行（当然，只要您有运行它的Python）。
— tml
1
别担心。考虑到本周之前我从未见过Python系列，所以它是一个非常简单的移植。现在可以学习Python了：-)
— tomfanning 2011年
29

在iOS 5中，Manifest.mbdx文件被删除。对于本文而言，它还是多余的，因为域和路径在Manifest.mbdb中，并且ID哈希可以使用SHA1生成。

这是我对galloglass代码的更新，因此可以与iOS 5设备的备份一起使用。唯一的变化是消除了process_mbdx_file（）并在process_mbdb_file（）中增加了几行。

经过测试，可备份iPhone 4S和iPad 1，两者均具有大量应用程序和文件。

#!/usr/bin/env python
import sys
import hashlib

mbdx = {}

def getint(data, offset, intsize):
    """Retrieve an integer (big-endian) and new offset from the current offset"""
    value = 0
    while intsize > 0:
        value = (value<<8) + ord(data[offset])
        offset = offset + 1
        intsize = intsize - 1
    return value, offset

def getstring(data, offset):
    """Retrieve a string and new offset from the current offset into the data"""
    if data[offset] == chr(0xFF) and data[offset+1] == chr(0xFF):
        return '', offset+2 # Blank string
    length, offset = getint(data, offset, 2) # 2-byte length
    value = data[offset:offset+length]
    return value, (offset + length)

def process_mbdb_file(filename):
    mbdb = {} # Map offset of info in this file => file info
    data = open(filename).read()
    if data[0:4] != "mbdb": raise Exception("This does not look like an MBDB file")
    offset = 4
    offset = offset + 2 # value x05 x00, not sure what this is
    while offset < len(data):
        fileinfo = {}
        fileinfo['start_offset'] = offset
        fileinfo['domain'], offset = getstring(data, offset)
        fileinfo['filename'], offset = getstring(data, offset)
        fileinfo['linktarget'], offset = getstring(data, offset)
        fileinfo['datahash'], offset = getstring(data, offset)
        fileinfo['unknown1'], offset = getstring(data, offset)
        fileinfo['mode'], offset = getint(data, offset, 2)
        fileinfo['unknown2'], offset = getint(data, offset, 4)
        fileinfo['unknown3'], offset = getint(data, offset, 4)
        fileinfo['userid'], offset = getint(data, offset, 4)
        fileinfo['groupid'], offset = getint(data, offset, 4)
        fileinfo['mtime'], offset = getint(data, offset, 4)
        fileinfo['atime'], offset = getint(data, offset, 4)
        fileinfo['ctime'], offset = getint(data, offset, 4)
        fileinfo['filelen'], offset = getint(data, offset, 8)
        fileinfo['flag'], offset = getint(data, offset, 1)
        fileinfo['numprops'], offset = getint(data, offset, 1)
        fileinfo['properties'] = {}
        for ii in range(fileinfo['numprops']):
            propname, offset = getstring(data, offset)
            propval, offset = getstring(data, offset)
            fileinfo['properties'][propname] = propval
        mbdb[fileinfo['start_offset']] = fileinfo
        fullpath = fileinfo['domain'] + '-' + fileinfo['filename']
        id = hashlib.sha1(fullpath)
        mbdx[fileinfo['start_offset']] = id.hexdigest()
    return mbdb

def modestr(val):
    def mode(val):
        if (val & 0x4): r = 'r'
        else: r = '-'
        if (val & 0x2): w = 'w'
        else: w = '-'
        if (val & 0x1): x = 'x'
        else: x = '-'
        return r+w+x
    return mode(val>>6) + mode((val>>3)) + mode(val)

def fileinfo_str(f, verbose=False):
    if not verbose: return "(%s)%s::%s" % (f['fileID'], f['domain'], f['filename'])
    if (f['mode'] & 0xE000) == 0xA000: type = 'l' # symlink
    elif (f['mode'] & 0xE000) == 0x8000: type = '-' # file
    elif (f['mode'] & 0xE000) == 0x4000: type = 'd' # dir
    else: 
        print >> sys.stderr, "Unknown file type %04x for %s" % (f['mode'], fileinfo_str(f, False))
        type = '?' # unknown
    info = ("%s%s %08x %08x %7d %10d %10d %10d (%s)%s::%s" % 
            (type, modestr(f['mode']&0x0FFF) , f['userid'], f['groupid'], f['filelen'], 
             f['mtime'], f['atime'], f['ctime'], f['fileID'], f['domain'], f['filename']))
    if type == 'l': info = info + ' -> ' + f['linktarget'] # symlink destination
    for name, value in f['properties'].items(): # extra properties
        info = info + ' ' + name + '=' + repr(value)
    return info

verbose = True
if __name__ == '__main__':
    mbdb = process_mbdb_file("Manifest.mbdb")
    for offset, fileinfo in mbdb.items():
        if offset in mbdx:
            fileinfo['fileID'] = mbdx[offset]
        else:
            fileinfo['fileID'] = "<nofileID>"
            print >> sys.stderr, "No fileID found for %s" % fileinfo_str(fileinfo)
        print fileinfo_str(fileinfo, verbose)
— 罗伯特·穆纳福
source
1
2016年1月，仍适用于iTunes 12.3.2.35和iOS 9.2。
— 西古萨
18

我已经完成了有关此内容的工作-即iOS 4 + iTunes 9.2更新了我的Python备用解码器库-http: //www.iki.fi/fingon/iphonebackupdb.py

它满足了我的需要，几乎没有文档，但是可以随时从那里复制想法；-)

（似乎至少可以与我的备份配合使用。）

— 用户名
source
3
我的机器似乎找不到python模块“ ms”是什么
— JiminyCricket
1
它们是Markus Stenberg的python库的一部分：<employees.org/~mstenber/>; 会将您引向其中的一部分。不幸的是，即使有这些，您也会遇到其他丢失的文件（？）。复制和粘贴Galloglass的作品更容易-但是是派生的。谢谢大家！
— westsider
7

这个python脚本很棒。

这是我的Ruby版本（略有改进）和搜索功能。（适用于iOS 5）

# encoding: utf-8
require 'fileutils'
require 'digest/sha1'

class ManifestParser
  def initialize(mbdb_filename, verbose = false)
    @verbose = verbose
    process_mbdb_file(mbdb_filename)
  end

  # Returns the numbers of records in the Manifest files.
  def record_number
    @mbdb.size
  end

  # Returns a huge string containing the parsing of the Manifest files.
  def to_s
    s = ''
    @mbdb.each do |v|
      s += "#{fileinfo_str(v)}\n"
    end
    s
  end

  def to_file(filename)
    File.open(filename, 'w') do |f|
      @mbdb.each do |v|
        f.puts fileinfo_str(v)
      end
    end
  end

  # Copy the backup files to their real path/name.
  # * domain_match Can be a regexp to restrict the files to copy.
  # * filename_match Can be a regexp to restrict the files to copy.
  def rename_files(domain_match = nil, filename_match = nil)
    @mbdb.each do |v|
      if v[:type] == '-' # Only rename files.
        if (domain_match.nil? or v[:domain] =~ domain_match) and (filename_match.nil? or v[:filename] =~ filename_match)
          dst = "#{v[:domain]}/#{v[:filename]}"
          puts "Creating: #{dst}"
          FileUtils.mkdir_p(File.dirname(dst))
          FileUtils.cp(v[:fileID], dst)
        end
      end
    end
  end

  # Return the filename that math the given regexp.
  def search(regexp)
    result = Array.new
    @mbdb.each do |v|
      if "#{v[:domain]}::#{v[:filename]}" =~ regexp
        result << v
      end
    end
    result
  end

  private
  # Retrieve an integer (big-endian) and new offset from the current offset
  def getint(data, offset, intsize)
    value = 0
    while intsize > 0
      value = (value<<8) + data[offset].ord
      offset += 1
      intsize -= 1
    end
    return value, offset
  end

  # Retrieve a string and new offset from the current offset into the data
  def getstring(data, offset)
    return '', offset + 2 if data[offset] == 0xFF.chr and data[offset + 1] == 0xFF.chr # Blank string
    length, offset = getint(data, offset, 2) # 2-byte length
    value = data[offset...(offset + length)]
    return value, (offset + length)
  end

  def process_mbdb_file(filename)
    @mbdb = Array.new
    data = File.open(filename, 'rb') { |f| f.read }
    puts "MBDB file read. Size: #{data.size}"
    raise 'This does not look like an MBDB file' if data[0...4] != 'mbdb'
    offset = 4
    offset += 2 # value x05 x00, not sure what this is
    while offset < data.size
      fileinfo = Hash.new
      fileinfo[:start_offset] = offset
      fileinfo[:domain], offset = getstring(data, offset)
      fileinfo[:filename], offset = getstring(data, offset)
      fileinfo[:linktarget], offset = getstring(data, offset)
      fileinfo[:datahash], offset = getstring(data, offset)
      fileinfo[:unknown1], offset = getstring(data, offset)
      fileinfo[:mode], offset = getint(data, offset, 2)
      if (fileinfo[:mode] & 0xE000) == 0xA000 # Symlink
        fileinfo[:type] = 'l'
      elsif (fileinfo[:mode] & 0xE000) == 0x8000 # File
        fileinfo[:type] = '-'
      elsif (fileinfo[:mode] & 0xE000) == 0x4000 # Dir
        fileinfo[:type] = 'd'
      else
        # $stderr.puts "Unknown file type %04x for #{fileinfo_str(f, false)}" % f['mode']
        fileinfo[:type] = '?'
      end
      fileinfo[:unknown2], offset = getint(data, offset, 4)
      fileinfo[:unknown3], offset = getint(data, offset, 4)
      fileinfo[:userid], offset = getint(data, offset, 4)
      fileinfo[:groupid], offset = getint(data, offset, 4)
      fileinfo[:mtime], offset = getint(data, offset, 4)
      fileinfo[:atime], offset = getint(data, offset, 4)
      fileinfo[:ctime], offset = getint(data, offset, 4)
      fileinfo[:filelen], offset = getint(data, offset, 8)
      fileinfo[:flag], offset = getint(data, offset, 1)
      fileinfo[:numprops], offset = getint(data, offset, 1)
      fileinfo[:properties] = Hash.new
      (0...(fileinfo[:numprops])).each do |ii|
        propname, offset = getstring(data, offset)
        propval, offset = getstring(data, offset)
        fileinfo[:properties][propname] = propval
      end
      # Compute the ID of the file.
      fullpath = fileinfo[:domain] + '-' + fileinfo[:filename]
      fileinfo[:fileID] = Digest::SHA1.hexdigest(fullpath)
      # We add the file to the list of files.
      @mbdb << fileinfo
    end
    @mbdb
  end

  def modestr(val)
    def mode(val)
      r = (val & 0x4) ? 'r' : '-'
      w = (val & 0x2) ? 'w' : '-'
      x = (val & 0x1) ? 'x' : '-'
      r + w + x
    end
    mode(val >> 6) + mode(val >> 3) + mode(val)
  end

  def fileinfo_str(f)
    return "(#{f[:fileID]})#{f[:domain]}::#{f[:filename]}" unless @verbose
    data = [f[:type], modestr(f[:mode]), f[:userid], f[:groupid], f[:filelen], f[:mtime], f[:atime], f[:ctime], f[:fileID], f[:domain], f[:filename]]
    info = "%s%s %08x %08x %7d %10d %10d %10d (%s)%s::%s" % data
    info += ' -> ' + f[:linktarget] if f[:type] == 'l' # Symlink destination
    f[:properties].each do |k, v|
      info += " #{k}=#{v.inspect}"
    end
    info
  end
end

if __FILE__ == $0
  mp = ManifestParser.new 'Manifest.mbdb', true
  mp.to_file 'filenames.txt'
end
— 巴尔扎德
source
4

我喜欢Galloglas的代码，并更改了main函数，以便按应用程序显示总大小的排序列表：

verbose = True
if __name__ == '__main__':
    mbdb = process_mbdb_file("Manifest.mbdb")
    mbdx = process_mbdx_file("Manifest.mbdx")
    sizes = {}
    for offset, fileinfo in mbdb.items():
        if offset in mbdx:
            fileinfo['fileID'] = mbdx[offset]
        else:
            fileinfo['fileID'] = "<nofileID>"
            print >> sys.stderr, "No fileID found for %s" % fileinfo_str(fileinfo)
        print fileinfo_str(fileinfo, verbose)
        if (fileinfo['mode'] & 0xE000) == 0x8000:
        sizes[fileinfo['domain']]= sizes.get(fileinfo['domain'],0) + fileinfo['filelen']
    for domain in sorted(sizes, key=sizes.get):
        print "%-60s %11d (%dMB)" % (domain, sizes[domain], int(sizes[domain]/1024/1024))

这样，您就可以确定哪个应用程序正在占用所有空间。

— w00t
source
大。毫不奇怪，至少对我来说，杂志应用占用了最多的备份空间。（我在iPad上购买了许多《纽约客》和《名利场》杂志。）但是令人震惊的是，这些杂志应用程序将单独的图像作为单独的文件保存在设备上。使备份进行得非常慢。
— tml
哈哈，在某些情况下，New Yorker应用程序甚至具有文章的SVN数据...我看到类似AppDomain-com.condenet.newyorker :: Documents / issues / The New Yorker / 396efb8c-fcdd-4997-8122-2e2bdc3940e5的文件/1700_talk_surowiecki_110328/images/.svn/prop-base/101011_r20103_p280.jpg.svn-base
— tml
0

感谢Galloglass的回答。该代码可与Python 2.7完美配合。我只想提及一件事。读取manifest.mbdb文件时，应使用二进制模式。否则，不会读取所有内容。

我还做了一些小的更改，以使代码与Python 3.4一起使用。这是代码。

#!/usr/bin/env python
import sys
import hashlib

mbdx = {}

def getint(data, offset, intsize):
    """Retrieve an integer (big-endian) and new offset from the current offset"""
    value = 0
    while intsize > 0:
        value = (value << 8) + data[offset]
        offset = offset + 1
        intsize = intsize - 1
    return value, offset

def getstring(data, offset):
    """Retrieve a string and new offset from the current offset into the data"""
    if chr(data[offset]) == chr(0xFF) and chr(data[offset + 1]) == chr(0xFF):
        return '', offset + 2  # Blank string
    length, offset = getint(data, offset, 2)  # 2-byte length
    value = data[offset:offset + length]
    return value.decode(encoding='latin-1'), (offset + length)

def process_mbdb_file(filename):
    mbdb = {}  # Map offset of info in this file => file info
    data = open(filename, 'rb').read()  # 'b' is needed to read all content at once
    if data[0:4].decode() != "mbdb": raise Exception("This does not look like an MBDB file")
    offset = 4
    offset = offset + 2  # value x05 x00, not sure what this is
    while offset < len(data):
        fileinfo = {}
        fileinfo['start_offset'] = offset
        fileinfo['domain'], offset = getstring(data, offset)
        fileinfo['filename'], offset = getstring(data, offset)
        fileinfo['linktarget'], offset = getstring(data, offset)
        fileinfo['datahash'], offset = getstring(data, offset)
        fileinfo['unknown1'], offset = getstring(data, offset)
        fileinfo['mode'], offset = getint(data, offset, 2)
        fileinfo['unknown2'], offset = getint(data, offset, 4)
        fileinfo['unknown3'], offset = getint(data, offset, 4)
        fileinfo['userid'], offset = getint(data, offset, 4)
        fileinfo['groupid'], offset = getint(data, offset, 4)
        fileinfo['mtime'], offset = getint(data, offset, 4)
        fileinfo['atime'], offset = getint(data, offset, 4)
        fileinfo['ctime'], offset = getint(data, offset, 4)
        fileinfo['filelen'], offset = getint(data, offset, 8)
        fileinfo['flag'], offset = getint(data, offset, 1)
        fileinfo['numprops'], offset = getint(data, offset, 1)
        fileinfo['properties'] = {}
        for ii in range(fileinfo['numprops']):
            propname, offset = getstring(data, offset)
            propval, offset = getstring(data, offset)
            fileinfo['properties'][propname] = propval
        mbdb[fileinfo['start_offset']] = fileinfo
        fullpath = fileinfo['domain'] + '-' + fileinfo['filename']
        id = hashlib.sha1(fullpath.encode())
        mbdx[fileinfo['start_offset']] = id.hexdigest()
    return mbdb

def modestr(val):
    def mode(val):
        if (val & 0x4):
            r = 'r'
        else:
            r = '-'
        if (val & 0x2):
            w = 'w'
        else:
            w = '-'
        if (val & 0x1):
            x = 'x'
        else:
            x = '-'
        return r + w + x
    return mode(val >> 6) + mode((val >> 3)) + mode(val)

def fileinfo_str(f, verbose=False):
    if not verbose: return "(%s)%s::%s" % (f['fileID'], f['domain'], f['filename'])
    if (f['mode'] & 0xE000) == 0xA000:
        type = 'l'  # symlink
    elif (f['mode'] & 0xE000) == 0x8000:
        type = '-'  # file
    elif (f['mode'] & 0xE000) == 0x4000:
        type = 'd'  # dir
    else:
        print >> sys.stderr, "Unknown file type %04x for %s" % (f['mode'], fileinfo_str(f, False))
        type = '?'  # unknown
    info = ("%s%s %08x %08x %7d %10d %10d %10d (%s)%s::%s" %
            (type, modestr(f['mode'] & 0x0FFF), f['userid'], f['groupid'], f['filelen'],
             f['mtime'], f['atime'], f['ctime'], f['fileID'], f['domain'], f['filename']))
    if type == 'l': info = info + ' -> ' + f['linktarget']  # symlink destination
    for name, value in f['properties'].items():  # extra properties
        info = info + ' ' + name + '=' + repr(value)
    return info

verbose = True
if __name__ == '__main__':
    mbdb = process_mbdb_file(
        r"Manifest.mbdb")
    for offset, fileinfo in mbdb.items():
        if offset in mbdx:
            fileinfo['fileID'] = mbdx[offset]
        else:
            fileinfo['fileID'] = "<nofileID>"
            print >> sys.stderr, "No fileID found for %s" % fileinfo_str(fileinfo)
        print(fileinfo_str(fileinfo, verbose))
— 奥塞克
source
我已经尝试了您的代码，但得到了IndexError；字符串超出范围，是由于value = (value<<8) + ord(data[offset])
— jOSe
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