#! /usr/bin/env python
# Part of the A-A-P recipe executive: Separate program that runs under root
# Copyright (C) 2002-2003 Stichting NLnet Labs
# Permission to copy and use this file is specified in the file COPYING.
# If this file is missing you can find it here: http://www.a-a-p.org/COPYING
# This programs runs as root to be able to install a package
# Stdin and stdout should be piped by popenerr.py.
import sys
import os
from Util import *
if __name__ == '__main__':
# Print a message so that the invoking process knows we're ready for
# commands.
print "RootShell ready"
sys.stdout.flush()
# We have been started by "popenerr", need to fix stdin.
os.close(0)
n = os.dup(2)
if n <> 0:
print 'RootShell: bad stdin dup: %d\n' % n
# Duplicate stderr from stdout, so that the other side only needs to read
# one stream.
os.close(2)
n = os.dup(1)
if n <> 2:
print 'RootShell: bad stderr dup: %d\n' % n
# Internationalisation inits: setlocale and gettext.
i18n_init()
# Loop until there is nothing to be read or the quit command is received.
while 1:
cmd = sys.stdin.readline()
if not cmd:
sys.exit(1)
if cmd[-1] == '\n':
cmd = cmd[:-1]
if cmd[0] == 'C':
try:
os.chdir(cmd[1:])
except:
print "RootShell: Cannot change directory to '%s'" % cmd[1:]
elif cmd[0] == 'X':
try:
res = os.system(cmd[1:])
except:
res = 1
if res:
print "RootShell: Command failed"
else:
print "RootShell: OK"
sys.stdout.flush()
elif cmd[0] == 'Q':
sys.exit(0)
else:
print 'RootShell: error: unrecognized command: "%s"' % cmd
# vim: set sw=4 et sts=4 tw=79 fo+=l:
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