From: Samuel Rufinatscha <s.rufinatscha@proxmox.com>
To: Christian Ebner <c.ebner@proxmox.com>,
Proxmox Backup Server development discussion
<pbs-devel@lists.proxmox.com>
Subject: Re: [pbs-devel] [PATCH proxmox v4 2/4] proxmox-access-control: cache verified API token secrets
Date: Tue, 10 Feb 2026 15:07:35 +0100 [thread overview]
Message-ID: <40ba8a32-f677-4421-9d95-89a80622c62e@proxmox.com> (raw)
In-Reply-To: <50133029-8a66-4ba1-92bc-8695767a83aa@proxmox.com>
On 2/10/26 2:36 PM, Christian Ebner wrote:
> On 1/21/26 4:13 PM, Samuel Rufinatscha wrote:
>> Adds an in-memory cache of successfully verified token secrets.
>> Subsequent requests for the same token+secret combination only perform a
>> comparison using openssl::memcmp::eq and avoid re-running the password
>> hash. The cache is updated when a token secret is set and cleared when a
>> token is deleted.
>>
>> Signed-off-by: Samuel Rufinatscha <s.rufinatscha@proxmox.com>
>> ---
>
> IMHO the commit message should contain a concise additional statement
> specifying the purpose of the shared shadow generation for inter-process
> cache invalidation, as the code in this patch covers that to a
> significant extend.
>
> Forgot to mention this on patch 2 for proxmox-backup, where it applies
> as well.
>
Agreed, this should be added and will make the implementation a bit
more obvious. Will add also on patch 2, thanks!
next prev parent reply other threads:[~2026-02-10 14:07 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-21 15:13 [pbs-devel] [PATCH proxmox{-backup, , -datacenter-manager} v4 00/11] token-shadow: reduce api token verification overhead Samuel Rufinatscha
2026-01-21 15:13 ` [pbs-devel] [PATCH proxmox-backup v4 1/4] pbs-config: add token.shadow generation to ConfigVersionCache Samuel Rufinatscha
2026-01-21 15:13 ` [pbs-devel] [PATCH proxmox-backup v4 2/4] pbs-config: cache verified API token secrets Samuel Rufinatscha
2026-02-10 12:54 ` Christian Ebner
2026-02-10 13:08 ` Samuel Rufinatscha
2026-01-21 15:13 ` [pbs-devel] [PATCH proxmox-backup v4 3/4] pbs-config: invalidate token-secret cache on token.shadow changes Samuel Rufinatscha
2026-01-21 15:14 ` [pbs-devel] [PATCH proxmox-backup v4 4/4] pbs-config: add TTL window to token secret cache Samuel Rufinatscha
2026-02-10 12:58 ` Christian Ebner
2026-02-10 13:18 ` Samuel Rufinatscha
2026-01-21 15:14 ` [pbs-devel] [PATCH proxmox v4 1/4] proxmox-access-control: split AccessControlConfig and add token.shadow gen Samuel Rufinatscha
2026-01-21 15:14 ` [pbs-devel] [PATCH proxmox v4 2/4] proxmox-access-control: cache verified API token secrets Samuel Rufinatscha
2026-02-10 13:38 ` Christian Ebner
2026-02-10 14:07 ` Samuel Rufinatscha [this message]
2026-01-21 15:14 ` [pbs-devel] [PATCH proxmox v4 3/4] proxmox-access-control: invalidate token-secret cache on token.shadow changes Samuel Rufinatscha
2026-01-21 15:14 ` [pbs-devel] [PATCH proxmox v4 4/4] proxmox-access-control: add TTL window to token secret cache Samuel Rufinatscha
2026-01-21 15:14 ` [pbs-devel] [PATCH proxmox-datacenter-manager v4 1/3] pdm-config: implement token.shadow generation Samuel Rufinatscha
2026-01-21 15:14 ` [pbs-devel] [PATCH proxmox-datacenter-manager v4 2/3] docs: document API token-cache TTL effects Samuel Rufinatscha
2026-01-21 15:14 ` [pbs-devel] [PATCH proxmox-datacenter-manager v4 3/3] pdm-config: wire user+acl cache generation Samuel Rufinatscha
2026-02-10 14:25 ` [pbs-devel] [PATCH proxmox{-backup, , -datacenter-manager} v4 00/11] token-shadow: reduce api token verification overhead Christian Ebner
2026-02-17 11:14 ` [pbs-devel] superseded: [PATCH proxmox{-backup,,-datacenter-manager} " Samuel Rufinatscha
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