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bug fix in dropping capabilities
author
Sapan Bhatia
<gwsapan@gmail.com>
Thu, 6 Sep 2012 13:26:14 +0000
(09:26 -0400)
committer
Sapan Bhatia
<gwsapan@gmail.com>
Thu, 6 Sep 2012 13:26:14 +0000
(09:26 -0400)
lxcsu
[changed mode: 0755->0644]
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diff --git
a/lxcsu
b/lxcsu
old mode 100755
(executable)
new mode 100644
(file)
index
05899d2
..
ea63d18
--- a/
lxcsu
+++ b/
lxcsu
@@
-6,7
+6,7
@@
import os
from optparse import OptionParser
from optparse import OptionParser
-drop_capabilities='cap_sys_admin,cap_net_admin,cap_sys_boot,cap_sys_module'
+drop_capabilities='cap_sys_admin,cap_net_admin,cap_sys_boot,cap_sys_module'
.split(',')
parser = OptionParser()
parser.add_option("-n", "--net",
parser = OptionParser()
parser.add_option("-n", "--net",
@@
-63,4
+63,12
@@
r3 = setns.chcontext(path)
open('/proc/lxcsu','w').write(pid)
open('/proc/pidsu','w').write(pid)
open('/proc/lxcsu','w').write(pid)
open('/proc/pidsu','w').write(pid)
-os.execv('/usr/sbin/capsh',['--drop',drop_capabilities,'--'])
+
+pid = os.fork()
+
+cap_args = map(lambda c:'--drop='+c, drop_capabilities)
+
+if (pid == 0):
+ os.execv('/usr/sbin/capsh',cap_args+['--'])
+else:
+ os.waitpid(pid,0)