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From: Fiona Ebner <f.ebner@proxmox.com>
To: pve-devel@lists.proxmox.com
Date: Wed, 21 May 2025 14:15:10 +0200
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Subject: [pve-devel] [PATCH access-control] schema: disallow '0' as a pool
name
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A pool with ID '0' can be added, but not parsed, because it will
evaluate to false in parse_user_config():
> if (!verify_poolname($pool, 1)) {
> warn "user config - ignore pool '$pool' - invalid characters in pool name\n";
> next;
> }
It's likely that it would cause other issues as well if properly
handled there, so prohibit it in the schema.
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
---
src/PVE/AccessControl.pm | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/PVE/AccessControl.pm b/src/PVE/AccessControl.pm
index 1c79656..224aeee 100644
--- a/src/PVE/AccessControl.pm
+++ b/src/PVE/AccessControl.pm
@@ -1327,6 +1327,11 @@ sub verify_poolname {
return undef;
}
+ if ($poolname eq '0') {
+ die "invalid pool name '$poolname'\n" if !$noerr;
+ return undef;
+ }
+
# also adapt check_path above if changed!
if ($poolname !~ m!^[A-Za-z0-9\.\-_]+(?:/[A-Za-z0-9\.\-_]+){0,2}$!) {
die "pool name '$poolname' contains invalid characters\n" if !$noerr;
--
2.39.5
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