[OE-core] [PATCH] udhcpc: specify full path for ip command calls

[Joshua G Lock]

On Tue, 2016-02-09 at 12:20 +0000, Mark O'Donovan wrote:
> Running with a restricted environment (e.g. cron) was causing
> issues as we check for the ip command with full path and call
> without full path

This change should probably change the /sbin/ path in the script to a
symbol and use sed to replace it with the expansion of ${sbindir}
rather than hard-coding a path which isn't always correct.

Regards,

Joshua

> ---
>  meta/recipes-core/busybox/files/simple.script | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/meta/recipes-core/busybox/files/simple.script
> b/meta/recipes-core/busybox/files/simple.script
> index 22168b0..e233c3c 100644
> --- a/meta/recipes-core/busybox/files/simple.script
> +++ b/meta/recipes-core/busybox/files/simple.script
> @@ -28,8 +28,8 @@ case "$1" in
>  		fi
>  		if ! root_is_nfs ; then
>                          if [ $have_bin_ip -eq 1 ]; then
> -                                ip addr flush dev $interface
> -                                ip link set dev $interface up
> +                                /sbin/ip addr flush dev $interface
> +                                /sbin/ip link set dev $interface up
>                          else
>                                  /sbin/ifconfig $interface 0.0.0.0
>                          fi
> @@ -38,7 +38,7 @@ case "$1" in
>  
>  	renew|bound)
>                  if [ $have_bin_ip -eq 1 ]; then
> -                        ip addr add dev $interface local $ip/$mask
> $BROADCAST
> +                        /sbin/ip addr add dev $interface local
> $ip/$mask $BROADCAST
>                  else
>                          /sbin/ifconfig $interface $ip $BROADCAST
> $NETMASK
>                  fi
> @@ -59,7 +59,7 @@ case "$1" in
>  			metric=10
>  			for i in $router ; do
>                                  if [ $have_bin_ip -eq 1 ]; then
> -                                        ip route add default via $i
> metric $metric
> +                                        /sbin/ip route add default
> via $i metric $metric
>                                  else
>                                          route add default gw $i dev
> $interface metric $metric 2>/dev/null
>                                  fi
> -- 
> 1.9.1
>