From f.ebner at proxmox.com  Mon Nov 17 11:36:16 2025
From: f.ebner at proxmox.com (Fiona Ebner)
Date: Mon, 17 Nov 2025 11:36:16 +0100
Subject: [pmg-devel] [pve-devel] [PATCH-SERIES
 qemu-server/storage/common 0/4] fix UTF-8 handling for PBS_PASSWORD
In-Reply-To: <20251001104729.70314-1-f.ebner@proxmox.com>
References: <20251001104729.70314-1-f.ebner@proxmox.com>
Message-ID: <0169b425-6a8d-4eec-a906-198f856646d0@proxmox.com>

Am 01.10.25 um 12:47 PM schrieb Fiona Ebner:
> The PBS password is saved as UTF-8 and decoded to Perl's internal
> string representation upon reading from the password file. When the
> password contains multi-byte UTF-8 characters, backing up a diskless
> VM would fail with:
>> Error: error building client for repository XXX -
>> PBS_PASSWORD contains bad characters
> 
> The same error would occur for uploading the log file after backup, as
> well as extracting the configuration file from backup.
> 
> Restoring would fail with:
>> restore failed: invalid utf-8 sequence of 1 bytes from index 0
> 
> Fix these issues by properly encoding the value for the PBS_PASSWORD
> environment variable value again as UTF-8.
> 
> For PMG, using passwords that would be auto-encoded by Perl as either
> ASCII or UTF-8 already worked, but other encodings would not, for
> example ISO-8859 would result in:
>> proxmox-backup-client failed: Error: error building client for
>> repository latin at pbs@10.10.100.180:8007:bigone - PBS_PASSWORD
>> contains bad characters (500)
> 
> Follow pve-storage commit 5245e04 ("fix #5181: pbs: store and read
> passwords as unicode") and align the behavior of the storage plugin
> and pbs client module.

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