From: Dietmar Maurer <dietmar@proxmox.com>
To: "Proxmox Backup Server development discussion"
<pbs-devel@lists.proxmox.com>,
"Fabian Grünbichler" <f.gruenbichler@proxmox.com>
Subject: [pbs-devel] applied: [PATCH proxmox-backup-qemu 1/2] encryption key tracking: use fingerprint
Date: Wed, 25 Nov 2020 08:28:53 +0100 (CET) [thread overview]
Message-ID: <270281567.389.1606289334340@webmail.proxmox.com> (raw)
In-Reply-To: <20201124130520.1058725-2-f.gruenbichler@proxmox.com>
applied both patches.
> On 11/24/2020 2:05 PM Fabian Grünbichler <f.gruenbichler@proxmox.com> wrote:
>
>
> but accept old variant as well for now, to not invalidate bitmaps for
> freshly migrated VMs.
>
> Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
> ---
>
> Notes:
> needs proxmox-backup with Fingerprint::bytes()
>
> src/commands.rs | 13 +++++++++++--
> 1 file changed, 11 insertions(+), 2 deletions(-)
>
> diff --git a/src/commands.rs b/src/commands.rs
> index 7a24b7c..dcee5a1 100644
> --- a/src/commands.rs
> +++ b/src/commands.rs
> @@ -108,6 +108,8 @@ fn archive_name(device_name: &str) -> String {
> const CRYPT_CONFIG_HASH_INPUT:&[u8] = b"this is just a static string to protect against key changes";
>
> /// Create an identifying digest for the crypt config
> +/// legacy version for VMs freshly migrated from old version
> +/// TODO: remove in PVE 7.0
> pub(crate) fn crypt_config_digest(
> config: Arc<CryptConfig>,
> ) -> [u8;32] {
> @@ -152,7 +154,8 @@ pub(crate) fn check_last_encryption_key(
> let digest_guard = PREVIOUS_CRYPT_CONFIG_DIGEST.lock().unwrap();
> match (*digest_guard, config) {
> (Some(last_digest), Some(current_config)) => {
> - crypt_config_digest(current_config) == last_digest
> + current_config.fingerprint().bytes() == &last_digest
> + || crypt_config_digest(current_config) == last_digest
> },
> (None, None) => true,
> _ => false,
> @@ -440,7 +443,13 @@ pub(crate) async fn finish_backup(
>
> {
> let crypt_config_digest = match crypt_config {
> - Some(current_config) => Some(crypt_config_digest(current_config)),
> + Some(current_config) => {
> + let fp = current_config
> + .fingerprint()
> + .bytes()
> + .to_owned();
> + Some(fp)
> + },
> None => None,
> };
>
> --
> 2.20.1
>
>
>
> _______________________________________________
> pbs-devel mailing list
> pbs-devel@lists.proxmox.com
> https://lists.proxmox.com/cgi-bin/mailman/listinfo/pbs-devel
next prev parent reply other threads:[~2020-11-25 7:29 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-24 13:05 [pbs-devel] [PATCH proxmox-backup(-qemu) 0/3] switch to fingerprint for tracking key Fabian Grünbichler
2020-11-24 13:05 ` [pbs-devel] [PATCH proxmox-backup-qemu 1/2] encryption key tracking: use fingerprint Fabian Grünbichler
2020-11-24 15:36 ` Dietmar Maurer
2020-11-24 15:44 ` Fabian Grünbichler
2020-11-25 7:28 ` Dietmar Maurer [this message]
2020-11-24 13:05 ` [pbs-devel] [PATCH proxmox-backup] fingerprint: add bytes() accessor Fabian Grünbichler
2020-11-25 7:27 ` [pbs-devel] applied: " Dietmar Maurer
2020-11-24 13:05 ` [pbs-devel] [PATCH proxmox-backup-qemu 2/2] fingerprint: rename variables Fabian Grünbichler
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