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From: Filip Schauer <f.schauer@proxmox.com>
To: pve-devel@lists.proxmox.com
Date: Tue,  9 Jan 2024 14:35:15 +0100
Message-Id: <20240109133515.63483-1-f.schauer@proxmox.com>
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Subject: [pve-devel] [PATCH v2 access-control] fix #5136: ldap: Decode
 non-ASCII characters in attributes
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UTF8 decode non-ASCII characters when syncing user attributes, since
those will be encoded later on. Without this fix the attributes were
encoded twice, resulting in cases such as 'ü' turning into 'ü'.

Signed-off-by: Filip Schauer <f.schauer@proxmox.com>
---
Changes since v1:
* Do not try to URI unescape the user attributes, since we do that later
  in PVE::AccessControl::parse_user_config anyways.

 src/PVE/Auth/LDAP.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/PVE/Auth/LDAP.pm b/src/PVE/Auth/LDAP.pm
index b958f2b..06177db 100755
--- a/src/PVE/Auth/LDAP.pm
+++ b/src/PVE/Auth/LDAP.pm
@@ -301,7 +301,7 @@ sub get_users {
 
 	foreach my $attr (keys %$user_attributes) {
 	    if (my $ours = $ldap_attribute_map->{$attr}) {
-		$ret->{$username}->{$ours} = $user_attributes->{$attr}->[0];
+		$ret->{$username}->{$ours} = Encode::decode('utf8', $user_attributes->{$attr}->[0]);
 	    }
 	}
 
-- 
2.39.2