cryptonas-branches/pythonrewrite/plugins/partition/root_action.py

#!/usr/bin/env python2.4

## necessary: otherwise CryptoBoxRootActions.py will refuse to execute this script
PLUGIN_TYPE = "cryptobox"

SFDISK_BIN = "/sbin/sfdisk"

import subprocess
import re
import sys
import os


def __partitionDevice(device):
	## do not use the "-q" flag, as this spoils the exit code of sfdisk (seems to be a bug)
	proc = subprocess.Popen(
		shell	= False,
		args	= [
			SFDISK_BIN,
			"-uM",
			device])
	proc.communicate()
	return proc.returncode == 0


if __name__ == "__main__":
	args = sys.argv[1:]

	self_bin =sys.argv[0]
	
	if len(args) > 2:
		sys.stderr.write("%s: too many arguments (%s)\n" % (self_bin, args))
		sys.exit(1)
	
	if len(args) == 0:
		sys.stderr.write("%s: no argument supplied\n" % self_bin)
		sys.exit(1)

	if args[0] == "partition":
		if len(args) < 2:
			sys.stderr.write("%s: not enough arguments (%s)\n" % (self_bin, args))
			sys.exit(1)
		if __partitionDevice(args[1]):
			sys.exit(0)
		else:
			sys.exit(1)
	else:
		sys.exit(1)