Add spawnvch utility function to run process in chroot environment

1 files changed, 38 insertions, 0 deletions

diff --git a/tasker/utils.py b/tasker/utils.py
new file mode 100644
index 0000000..139bb39
--- /dev/null
+++ b/tasker/utils.py
@@ -0,0 +1,38 @@
+# First Aid Kit - diagnostic and repair tool for Linux
+# Copyright (C) 2007 Martin Sivak <msivak@redhat.com>
+# 
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+import os
+import sys
+import subprocess
+
+def spawnvch(executable, params, chroot): #returns errorcode
+    """Simpliest chroot modification of spawn
+ executable - path to binary to execute (in chroot!)
+ params - it's parameters
+ chroot - directory to chroot to
+
+Returns the error code returned by process"""
+
+    pid = os.fork()
+    if pid==0: #child
+        os.chroot(chroot)
+        os.execv(executable, params)
+        os.exit(1)
+    else:
+        res = os.waitpid(pid, 0)
+        return os.WEXITSTATUS(res)
+