[pve-devel] [PATCH ha-manager] rules: fix utf-8 encoding and decoding for comments field

[Fiona Ebner]

Am 05.09.25 um 12:17 PM schrieb Daniel Kral:
> As reported by a user in the community forum [0].
> 
> [0] https://forum.proxmox.com/threads/169258/page-14#post-792521
> 
> Signed-off-by: Daniel Kral <d.kral at proxmox.com>
> ---
> Tested a few strings from an unicode example page [1], including at
> least a mix of ASCII, Latin-1, Cyrillic and Bengali characters.
> 
> Also checked this applies both on master and on another ha-manager
> series [2] without any fuzz.
> 
> [1] https://www.cogsci.ed.ac.uk/~richard/unicode-sample.html
> [2] https://lore.proxmox.com/pve-devel/20250821143705.256562-1-d.kral@proxmox.com/
> 
>  src/PVE/HA/Rules.pm | 28 ++++++++++++++++++++++++----
>  1 file changed, 24 insertions(+), 4 deletions(-)
> 
> diff --git a/src/PVE/HA/Rules.pm b/src/PVE/HA/Rules.pm
> index 323ad038..8c60b5ce 100644
> --- a/src/PVE/HA/Rules.pm
> +++ b/src/PVE/HA/Rules.pm
> @@ -163,8 +163,6 @@ sub decode_value {
>          }
>  
>          return $res;
> -    } elsif ($key eq 'comment') {
> -        return PVE::Tools::decode_text($value);
>      }
>  
>      my $plugin = $class->lookup($type);
> @@ -198,8 +196,6 @@ sub encode_value {
>          PVE::HA::Tools::pve_verify_ha_resource_id($_) for keys %$value;
>  
>          return join(',', sort keys %$value);
> -    } elsif ($key eq 'comment') {
> -        return PVE::Tools::encode_text($value);
>      }
>  
>      my $plugin = $class->lookup($type);

Why did the original implementation with {de,en}code_value() not work?

> @@ -220,6 +216,30 @@ sub parse_section_header {
>      return undef;
>  }
>  
> +sub parse_config {
> +    my ($class, $filename, $raw, $allow_unknown) = @_;
> +
> +    my $cfg = $class->SUPER::parse_config($filename, $raw, $allow_unknown);
> +
> +    for my $rule (values $cfg->{ids}->%*) {
> +        $rule->{comment} = PVE::Tools::decode_text($rule->{comment})
> +            if defined($rule->{comment});
> +    }
> +
> +    return $cfg;
> +}
> +
> +sub write_config {
> +    my ($class, $filename, $cfg, $allow_unknown) = @_;
> +
> +    for my $rule (values $cfg->{ids}->%*) {
> +        $rule->{comment} = PVE::Tools::encode_text($rule->{comment})
> +            if defined($rule->{comment});
> +    }
> +
> +    return $class->SUPER::write_config($filename, $cfg, $allow_unknown);
> +}
> +
>  # General rule helpers
>  
>  =head3 $class->set_rule_defaults($rule)