From: "Shannon Sterz" <s.sterz@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 v2] login: use `ticket` if both it and `ticket_info` are provided
Date: Thu, 02 Oct 2025 09:50:44 +0200 [thread overview]
Message-ID: <DD7O7RLF50HZ.1NAU5VCE3AE7A@proxmox.com> (raw)
In-Reply-To: <81c87a22-991a-418b-b93e-b343c7ac856e@proxmox.com>
On Wed Oct 1, 2025 at 5:02 PM CEST, Christian Ebner wrote:
> On 10/1/25 3:11 PM, Shannon Sterz wrote:
>> previously the precense of `ticket_info` was assumed to indicate the
>> HTTPOnly authentication flow. the `ticket` field was ignore in that
>> case, because the client has no way of validating a ticket anyway.
>>
>> this commit changes the behaviour to assume that the server is not
>> trying to "trick us" and that the presence of a `ticket` field
>> indicates that this value should be used for authentication. if the
>> `ticket_info` field is also present, it will be ignored.
>>
>> this fixes an issue where authentication against later versions of
>> proxmox-backup-server 3.4 failed. including versions up to and
>> including version 3.4.6-1.
>>
>> Signed-off-by: Shannon Sterz <s.sterz@proxmox.com>
>> ---
>
> Only one question: Should the `SecondFactorChallenge::response_bytes()`
> also prioritize `ticket` over `ticket_info` to get the same flow behavior?
yes sorry that was an oversight on my end, will send a v3 in a minute.
> Other than that the changes look good to me, as they do follow the same
> intend of parsing the full ticket I did try
> to force via the compat mode in
> https://lore.proxmox.com/pdm-devel/DD70FPP8GIBO.2K8CWBW5XPL0K@proxmox.com/T/
>
> Tested ticket parsing and request authentication works with this patch
> applied by using PDM remote add wizard (which uses the proxmox-login)
> for the following version:
> - PBS 3.4.0 (fresh install from ISO), 3.4.6, 4.0.11 (fresh install from
> ISO), 4.0.15
> - PVE 8.4.0 (fresh install from ISO), 8.4.14, 9.0.3 (fresh install from
> ISO), 9.0.10
>
> Please consider:
>
> Reviewed-by: Christian Ebner <c.ebner@proxmox.com>
> Tested-by: Christian Ebner <c.ebner@proxmox.com>
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next prev parent reply other threads:[~2025-10-02 7:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-01 13:11 Shannon Sterz
2025-10-01 15:02 ` Christian Ebner
2025-10-02 7:50 ` Shannon Sterz [this message]
2025-10-02 7:57 ` [pbs-devel] Superseded: " Shannon Sterz
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