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#!/usr/bin/env python2
import os
import sys
from optparse import OptionParser
import xattr
def convert(string):
tmp_string = string
if (string[0] == '0' and
(string[1] == 's' or
string[1] == 'S')):
tmp_string = string.strip('%s%s' %
(string[0],
string[1]))
return tmp_string.decode('base64')
if (string[0] == '0' and
(string[1] == 'x' or
string[1] == 'X')):
tmp_string = string.split('%s%s' %
(string[0],
string[1]))
return tmp_string[1].decode('hex')
return tmp_string
if __name__ == '__main__':
usage = "usage: %prog [-n name] [-v value] [-x name]"
parser = OptionParser(usage=usage)
parser.add_option("-n", action="store", dest="name", type="string",
help="Specifies the name of the extended attribute to set.")
parser.add_option("-v", action="store", dest="value", type="string",
help="Specifies the new value of the extended attribute."
" There are three methods available for encoding the value."
" If the given string is enclosed in double quotes, the"
" inner string is treated as text. In that case,"
" backslashes and double quotes have special meanings"
" and need to be escaped by a preceding backslash. Any"
" control characters can be encoded as a backslash"
" followed by three digits as its ASCII code in octal."
" If the given string begins with 0x or 0X, it expresses"
" a hexadecimal number. If the given string begins with"
" 0s or 0S, base64 encoding is expected.")
parser.add_option("-x", action="store", dest="xname", type="string",
help="Remove the named extended attribute entirely.")
(option,args) = parser.parse_args()
if not args:
print ("Usage: setfattr {-n name} [-v value] file...")
print (" setfattr {-x name} file...")
print ("Try `setfattr --help' for more information.")
sys.exit(1)
if option.name and option.xname:
print ("-n and -x are mutually exclusive...")
sys.exit(1)
if option.name:
if option.value is None:
print ("-n option requires -v value...")
args[0] = os.path.abspath(args[0])
if option.name and option.value:
try:
xattr.setxattr(args[0], option.name, convert(option.value))
except Exception as err:
print (err)
sys.exit(1)
if option.xname:
try:
xattr.removexattr(args[0], option.xname)
except Exception as err:
print (err)
sys.exit(1)
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