Cleaned up code a bit because blocksize is not needed

Author: niemasd

js_shellcode.py

@@ -7,19 +7,16 @@ def swap32(i):
 
 parser = argparse.ArgumentParser(description=__doc__, formatter_class=argparse.ArgumentDefaultsHelpFormatter)
 parser.add_argument("file", type=argparse.FileType('rb'), help="specify binary file")
-parser.add_argument("buffer", type=str, help="name of buffer to write shellcode to")
-parser.add_argument("-b", "--blocksize", type=int, required=False, default=30000, help="specify block size")
+parser.add_argument("-b", "--buffer", type=str, required=False, default='addr', help="name of buffer to write shellcode to")
 parser.add_argument("-o", "--output", type=str, required=False, default='stdout', help="output file")
 args = parser.parse_args()
 if args.output == "stdout":
   from sys import stdout as output
 else:
   output = open(args.output,'w')
-assert args.blocksize > 0, "block size must be positive"
 
-block = args.file.read(args.blocksize)
 hexStr = ""
-for blockOffset,ch in enumerate(block):
+for blockOffset,ch in enumerate(args.file.read()):
   if isinstance(ch,int):
     o = ch
   else: