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Date: Thu, 21 Oct 2021 11:05:30 +0200
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To: Proxmox VE development discussion <pve-devel@lists.proxmox.com>,
 =?UTF-8?Q?Phillipp_R=c3=b6ll?= <pr@lima-city.de>
References: <20211021084650.26753-1-pr@lima-city.de>
From: Thomas Lamprecht <t.lamprecht@proxmox.com>
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Subject: Re: [pve-devel] [PATCH] Check only first part of script parameter
 for executability
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Hi,

thanks for your effort in contributing to Proxmox VE!

A few things inline

On 21.10.21 10:46, Phillipp R=C3=B6ll wrote:
> When giving a script parameter including arguments to the dump process,=

> the full script parameter including the arguments is checked for
> executablility. The following will always abort with a "not executable"=

> error:
>=20
> vzdump 100 --script "/usr/local/bin/myscript.pl myarg"
>=20
> If we split the script argument and check only the first part, the
> check works as expected.

your sign-off is missing here and it doesn't seems like we have a signed
CLA from you or your company here, and to be able to take in a patch you'=
d
need to send one to <office@proxmox.com>. For details please check:
https://pve.proxmox.com/wiki/Developer_Documentation#Software_License_and=
_Copyright

> ---
>  PVE/VZDump.pm | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>=20
> diff --git a/PVE/VZDump.pm b/PVE/VZDump.pm
> index 88ac11b3..fe1a7f23 100644
> --- a/PVE/VZDump.pm
> +++ b/PVE/VZDump.pm
> @@ -630,7 +630,9 @@ sub run_hook_script {
>      my $script =3D $opts->{script};
>      return if !$script;
> =20
> -    if (!-x $script) {
> +    my @script_args =3D split /\s+/, $script;

That would break existing configuration that use a script with whitespace=
 in its
path name.

Can you please provide your usecase where the arguments Proxmox VE sets f=
or the
script aren't enough? So that we've a better picture about possible optio=
ns.

cheers,
Thomas