lars
b7f6afcc67
* fixed a problem with sfdisk waiting for input forever (caused by a previous careless change of me)
135 lines
3.7 KiB
Python
Executable file
135 lines
3.7 KiB
Python
Executable file
#!/usr/bin/env python
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#
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# Copyright 2006 sense.lab e.V.
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#
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# This file is part of the CryptoBox.
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#
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# The CryptoBox is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# The CryptoBox is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with the CryptoBox; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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__revision__ = "$Id$"
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## necessary: otherwise CryptoBoxRootActions.py will refuse to execute this script
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PLUGIN_TYPE = "cryptobox"
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SFDISK_BIN = "/sbin/sfdisk"
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MKFS_BIN = "/sbin/mkfs"
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LABEL_BIN = "/sbin/e2label"
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import subprocess
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import re
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import sys
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import os
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def __partitionDevice(device):
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## do not use the "-q" flag, as this spoils the exit code of sfdisk (seems to be a bug)
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proc = subprocess.Popen(
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shell = False,
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stdout = subprocess.PIPE,
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args = [
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SFDISK_BIN,
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"-uM",
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device])
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proc.wait()
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return proc.returncode == 0
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def __rereadPartitions(device):
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proc = subprocess.Popen(
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shell = False,
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stdin = subprocess.PIPE,
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stdout = subprocess.PIPE,
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args = [
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SFDISK_BIN,
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"-R",
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device])
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proc.wait()
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return proc.returncode == 0
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def __formatPartition(device, type):
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import time, threading
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result = True
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def formatting():
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proc = subprocess.Popen(
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shell = False,
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stdin = subprocess.PIPE,
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stdout = subprocess.PIPE,
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stderr = subprocess.PIPE,
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args = [
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MKFS_BIN,
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"-t", type,
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device])
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proc.wait()
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## TODO: very ugly way of communication: it assumes, that failures are fast - success is slow
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if proc.returncode == 0:
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time.sleep(1)
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return True
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else:
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return False
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thread = threading.Thread()
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thread.setDaemon(True)
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thread.run = formatting
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thread.start()
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time.sleep(0.5)
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return thread.isAlive()
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def __labelPartition(device, label):
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proc = subprocess.Popen(
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shell = False,
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args = [
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LABEL_BIN,
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device,
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label])
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proc.wait()
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return proc.returncode == 0
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if __name__ == "__main__":
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args = sys.argv[1:]
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self_bin =sys.argv[0]
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if len(args) == 0:
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sys.stderr.write("%s: no argument supplied\n" % self_bin)
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sys.exit(1)
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try:
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if args[0] == "partition":
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if len(args) != 2: raise "InvalidArgNum"
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result = __partitionDevice(args[1])
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elif args[0] == "format":
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if len(args) != 3: raise "InvalidArgNum"
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result = __formatPartition(args[1], args[2])
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elif args[0] == "label":
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if len(args) != 3: raise "InvalidArgNum"
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result = __labelPartition(args[1], args[2])
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elif args[0] == "rereadpt":
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if len(args) != 2: raise "InvalidArgNum"
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result = __rereadPartitions(args[1])
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else:
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sys.stderr.write("%s: invalid action (%s)\n" % (self_bin, args[0]))
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sys.exit(1)
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if result:
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sys.exit(0)
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else:
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sys.exit(1)
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except "InvalidArgNum":
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sys.stderr.write("%s: invalid number of arguments (%s)\n" % (self_bin, args))
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sys.exit(1)
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