[LTP] [PATCH v2 1/1] isofs.sh: Use nobody user

[Wei Gao]

On Mon, Sep 02, 2024 at 08:27:38AM +0200, Petr Vorel wrote:
> From: Wei Gao <wegao@suse.com>
> 
> Some distros don't have user/group 'bin' (e.g. SUSE SLE-Micro).
> Although this user/group is required and created IDcheck.sh.
> (This script should be replaced in the future with library call,
> but it's still supported).
> 
> Replace 'bin' user/group with 'nobody' user (more common on various
> Linux distributions). Most of the distros name have 'nobody' user's
> group also 'nobody', but at least Debian name it 'nogroup'. Therefore
> detect this name with 'id -g -n'.
> 
> Reported-by: Wei Gao <wegao@suse.com>
> Signed-off-by: Petr Vorel <pvorel@suse.cz>
> ---
> Changes v1->v2:
> * Correct fallback condition (thanks Wei for the report):
> -	[ "$TEST_USER" ] || TEST_GROUP="$TEST_USER"
> +	[ "$TEST_GROUP" ] || TEST_GROUP="$TEST_USER"
> 
>  testcases/kernel/fs/iso9660/isofs.sh | 13 +++++++++++--
>  1 file changed, 11 insertions(+), 2 deletions(-)
> 
> diff --git a/testcases/kernel/fs/iso9660/isofs.sh b/testcases/kernel/fs/iso9660/isofs.sh
> index d1a362d979..088e062d67 100755
> --- a/testcases/kernel/fs/iso9660/isofs.sh
> +++ b/testcases/kernel/fs/iso9660/isofs.sh
> @@ -13,10 +13,19 @@ TST_NEEDS_CMDS="mount umount"
>  TST_NEEDS_TMPDIR=1
>  TST_TESTFUNC=do_test
>  TST_CNT=3
> +TST_SETUP="setup"
>  
>  MAX_DEPTH=3
>  MAX_DIRS=4
>  
> +TEST_USER='nobody'
> +
> +setup()
> +{
> +	TEST_GROUP="$(id -g -n $TEST_USER)"
> +	[ "$TEST_GROUP" ] || TEST_GROUP="$TEST_USER"
If $TEST_GROUP can not be found then this case will failed unless we create new group.
My suggestion is remove above line totally or we start create group for nobody user.
> +}
> +
>  gen_fs_tree()
>  {
>  	local cur_path="$1"
> @@ -92,8 +101,8 @@ do_test()
>  			"loop,block=512,unhide" \
>  			"loop,block=1024,cruft" \
>  			"loop,block=2048,nocompress" \
> -			"loop,check=strict,map=off,gid=bin,uid=bin" \
> -			"loop,check=strict,map=acorn,gid=bin,uid=bin" \
> +			"loop,check=strict,map=off,gid=$TEST_GROUP,uid=$TEST_USER" \
> +			"loop,check=strict,map=acorn,gid=$TEST_GROUP,uid=$TEST_USER" \
>  			"loop,check=relaxed,map=normal" \
>  			"loop,block=512,unhide,session=2"
>  		do
> -- 
> 2.45.2
>