├── README.md
└── repairdex.py


/README.md:
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1 | # FART_repirdex
2 | 修复通过FART dump下来的dex
3 | 
4 | python repairdex.py -d 3925368_dexfile.dex -i 3925368_ins_5029.bin
5 | 
6 | 没问题的话,3925368_dexfile.dex可能就会被修复了
7 | 
8 | 


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/repairdex.py:
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 1 | import getopt,sys,re,base64
 2 | 
 3 | def parse_inst(name):
 4 | 	"""
 5 | 	parse & format .bin
 6 | 	"""
 7 | 	code = list()
 8 | 	with open(name,"r") as f:
 9 | 		data = f.read()
10 | 	insts = data.split(';')
11 | 	for inst in insts:
12 | 		offset = re.search(r'offset:(\d*),',inst)
13 | 		if not offset:
14 | 			continue
15 | 		#print offset.group(1)
16 | 		name = re.search(r'name:([^)]*\)),',inst)
17 | 		if not name:
18 | 			continue
19 | 		#print len.group(1)
20 | 		ins = re.search(r'ins:(\S*)}',inst)
21 | 		if not ins:
22 | 			continue
23 | 		#print ins.group(1)
24 | 		len = re.search(r'len:(\d*),',inst)
25 | 		if not len:
26 | 			continue
27 | 		#print len.group(1)
28 | 		code.append({"offset":offset.group(1),"name":name.group(1),"ins":ins.group(1),"len":len.group(1)})
29 | 	return code
30 | 	
31 | def repir_dex(name,code):
32 | 	"""
33 | 	repir dex
34 | 	"""
35 | 	dex_file = open(name,"r+b")
36 | 	for inst in code:
37 | 		if dex_file.seek(int(inst["offset"])) == -1:
38 | 			continue
39 | 		inst_bytes = base64.b64decode(inst["ins"])
40 | 		dex_file.write(inst_bytes)
41 | 		print inst["name"]," repired"
42 | 		#print inst["name"]," offset:",inst["offset"],"len:",inst["len"],":".join("{:02x}".format(ord(c)) for c in inst_bytes)
43 | 	dex_file.close()
44 | 
45 | def init():
46 | 	global filename
47 | 	global insfilename
48 | 	try:
49 | 		opts, args = getopt.getopt(sys.argv[1:], "h:d:i:", ["dumpdexfile=", "insfile="])
50 | 	except getopt.GetoptError:
51 | 		print 'Fart.py -d <dumpdexfile> -i <insfile>'
52 | 		sys.exit(2)
53 | 	if len(opts)<=0:
54 | 		print 'Fart.py -d <dumpdexfile> -i <insfile>'
55 | 		sys.exit()
56 | 	for opt, arg in opts:
57 | 		if opt in ("-h", "--help"):
58 | 			print 'Fart.py -d <dumpdexfile> -i <insfile>'
59 | 			sys.exit()
60 | 		if opt in ("-d", "--dumpdexfile"):
61 | 			filename = arg
62 | 		elif opt in ("-i", "--insfile"):
63 | 			insfilename = arg
64 | 	print 'dumpdex file:', filename
65 | 	print 'ins file:', insfilename
66 | 
67 | def main():
68 | 	code = parse_inst(insfilename)
69 | 	dex = repir_dex(filename,code)
70 | 	
71 | if __name__ == "__main__":
72 | 	init()
73 | 	main()
74 | 


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