[LEDE-DEV] [PATCH procd 7/7] jail: don't CLONE_NEWUTS if we don't change hostname

[John Crispin]

Hi Etienne,

why dont we want to do that ?

	John


On 30/05/2016 01:39, Etienne CHAMPETIER wrote:
> Signed-off-by: Etienne CHAMPETIER <champetier.etienne at gmail.com>
> ---
>  jail/jail.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/jail/jail.c b/jail/jail.c
> index e425254..926e42c 100644
> --- a/jail/jail.c
> +++ b/jail/jail.c
> @@ -386,9 +386,10 @@ int main(int argc, char **argv)
>  
>  	uloop_init();
>  	if (opts.namespace) {
> -		jail_process.pid = clone(exec_jail,
> -			child_stack + STACK_SIZE,
> -			CLONE_NEWUTS | CLONE_NEWPID | CLONE_NEWNS | CLONE_NEWIPC | SIGCHLD, NULL);
> +		int flags = CLONE_NEWPID | CLONE_NEWNS | CLONE_NEWIPC | SIGCHLD;
> +		if (opts.hostname)
> +			flags |= CLONE_NEWUTS;
> +		jail_process.pid = clone(exec_jail, child_stack + STACK_SIZE, flags, NULL);
>  	} else {
>  		jail_process.pid = fork();
>  	}
>