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

[Daniel Kral <d.kral@proxmox.com>]

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@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);
@@ -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)
-- 
2.47.2



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