Fix lxc-netstat

[mirror_lxc.git] / src / lxc / lxc-netstat.in

#!/bin/bash
# set -ex

lxcpath=@LXCPATH@
exec=""

if [ ! -r $lxcpath ]; then
    exit 0
fi

if [ $# -eq  0 ]; then
    echo "usage: $0 -n <name>"
    exit 1
fi

for i in $*; do
    case $i in
	-n)
	    name=$2; shift 2;;
	--exec)
	    exec="exec"; shift;;
    esac
done

if [ -z "$exec" ]; then
    exec @BINDIR@/lxc-unshare -s MOUNT -- @BINDIR@/lxc-netstat -n $name --exec $*
fi

if [ -z "$name" ]; then
    echo "usage: $0 -n <name>"
    exit 1
fi

if [ ! -d $lxcpath/$name ]; then
    echo "'$name' does not exists"
    exit 1
fi

if [ ! -r $lxcpath/$name ]; then
    echo "Can not access '$name': permission denied"
    exit 1
fi

if [ ! -f $lxcpath/$name/init ]; then
    exit 0
fi

initpid=$(cat $lxcpath/$name/init) && \
    mount --bind /proc/$initpid/net /proc/$$/net && \
    exec netstat $*