X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lxcsu;h=988036081d19679c8b8ee2510e3578f98af97b80;hb=5985e6f9de65189b238b60121b1c6f8d10d69175;hp=3f22cc3c1d97e4bafd27fbad3fbe424952d2195f;hpb=f350306fc4725bd74aa7a8ddc42d9ef8d29ec15b;p=lxc-userspace.git diff --git a/lxcsu b/lxcsu old mode 100644 new mode 100755 index 3f22cc3..9880360 --- a/lxcsu +++ b/lxcsu @@ -47,6 +47,8 @@ def main (): parser.add_argument("-d","--debug", action='store_true', dest='debug', default=False, help="debug option") + parser.add_argument("-s","--nosliceuid", dest="nosliceuid", default=False, + help="do not change to slice uid inside of slice") parser.add_argument ("slice_name") parser.add_argument ("command_to_run",nargs="*") @@ -56,11 +58,16 @@ def main (): # unless we run the symlink 'lxcsu-internal', or we specify the -i option, prepend '--' '-c' if sys.argv[0].find('internal')>=0: args.internal=True - # plain lxcsu + if len(args.command_to_run)>0 and (args.command_to_run[0] == "/sbin/service"): + # A quick hack to support nodemanager interfaces.py when restarting + # networking in a slice. + args.nosliceuid = True + + # plain lxcsu if not args.internal: # no command given: enter interactive shell if not args.command_to_run: args.command_to_run=['/bin/sh'] - args.command_to_run = [ '-c' ] + args.command_to_run + args.command_to_run = [ '-c' ] + [" ".join(args.command_to_run)] # support for either setting debug at the top of this file, or on the command-line if args.debug: @@ -220,13 +227,17 @@ def main (): cap_arg = '--drop='+drop_capabilities if (not args.root): - uid = getuid (slice_name) - if not uid: - print "lxcsu could not spot %s in /etc/passwd - exiting"%slice_name - exit(1) - exec_args = [arch,'/usr/sbin/capsh',cap_arg,'--uid=%s'%uid,'--','--login',]+args.command_to_run + if (args.nosliceuid): + # we still want to drop capabilities, but don't want to switch UIDs + exec_args = [arch,'/usr/sbin/capsh',cap_arg,'--','--login',]+args.command_to_run + else: + uid = getuid (slice_name) + if not uid: + print "lxcsu could not spot %s in /etc/passwd - exiting"%slice_name + exit(1) + exec_args = [arch,'/usr/sbin/capsh',cap_arg,'--uid=%s'%uid,'--','--login',]+args.command_to_run # once we can drop f12, it would be nicer to instead go for -# exec_args = [arch,'/usr/sbin/capsh',cap_arg,'--user=%s'%slice_name,'--','--login',]+args.command_to_run +# exec_args = [arch,'/usr/sbin/capsh',cap_arg,'--user=%s'%slice_name,'--','--login',]+args.command_to_run else: exec_args = [arch,'/usr/sbin/capsh','--','--login']+args.command_to_run