[Bug-cpio] Re: Bug#458079: cpio 2.9.90-2

[Clint Adams]

This behavior also applies to cpio 2.10

On Wed, Mar 04, 2009 at 08:10:18AM +0100, Dietmar Schroeter wrote:
> Unfortunately it is, at least in cpio_2.9.90-3 .
> For your convenience, I append the modified testscript, which
> delivers a definite yes or no as you can see in this example:
> 
> $ pwd 
> /root/cpio
> $ ./cpio-bug 
> 1 block
> 1 block
> drwx------
> bad: bug still present in cpio
> 1 block
> 1 block
> drwx------
> bad: bug still present in /root/cpio/cpio
> 1 block
> 1 block
> drwxr-xr-x
> good: bug not found in /root/cpio/cpio-etch
> 
> And here comes the script (does not need root permissions):
> 
> #!/bin/sh
> cpio_bugtest()
> {
>       typeset cpioprog="$1"
> 
>       case "$cpioprog" in
>               /*)     ;;
>               "")     cpioprog=cpio # the system default
>                       ;;
>               *)      echo "please specify an absolute path for cpioprog" >&2
>                       return 1
>                       ;;
>       esac
>       testdir="$(mktemp -d)" || return 11
>       trap "rm -rf $testdir" 0
>       umask 077
>       rm -rf wrongperms newdir
>       mkdir -m 755 "$testdir/wrongperms"
>       >"$testdir/wrongperms/file"
>       mkdir "$testdir/newdir"
>       (cd "$testdir" && find wrongperms -depth | "$cpioprog" -oH newc) | (cd 
> "$testdir/newdir" && "$cpioprog" -imd)
>       #ls -laR "$testdir/wrongperms"
>       #ls -laR "$testdir/newdir"
>       perms="$(ls -ld "$testdir/newdir/wrongperms")"
>       perms="${perms%% *}"
>       echo "$perms"
>       case "$perms" in
>               "drwx------")   echo "bad: bug still present in $cpioprog" >&2
>                               rm -rf "$testdir"
>                               trap "" 0
>                               return 1
>                               ;;
>               "drwxr-xr-x")   echo "good: bug not found in $cpioprog" >&2
>                               rm -rf "$testdir"
>                               trap "" 0
>                               return 0
>                               ;;
>               *)              echo "sorry: unknown state. Please debug 
> testscript :-(" >&2
>                               rm -rf "$testdir"
>                               trap "" 0
>                               return 1
>                               ;;
>       esac
> }
> cpio_bugtest
> cpio_bugtest $PWD/cpio
> cpio_bugtest $PWD/cpio-etch
> exit
> 
> ### end of script ###
> 
> Regards
>       Dietmar