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From: Fiona Ebner <f.ebner@proxmox.com>
To: pve-devel@lists.proxmox.com
Date: Fri, 15 Mar 2024 11:24:54 +0100
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Subject: [pve-devel] [PATCH manager v2 13/21] api: backup/vzdump: add
permission check for fleecing storage
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Similar to how Datastore.AllocateSpace is required for the backup
storage, it should also be required for the fleecing storage.
Removing a fleecing storage from a job does not require more
permissions than for modifying the job.
Suggested-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
---
New in v2.
PVE/API2/Backup.pm | 10 ++++++++--
PVE/API2/VZDump.pm | 9 +++++----
PVE/VZDump.pm | 2 +-
3 files changed, 14 insertions(+), 7 deletions(-)
diff --git a/PVE/API2/Backup.pm b/PVE/API2/Backup.pm
index 70753c2e..86f7dbdd 100644
--- a/PVE/API2/Backup.pm
+++ b/PVE/API2/Backup.pm
@@ -42,7 +42,7 @@ my $vzdump_job_id_prop = {
# NOTE: also used by the vzdump API call.
sub assert_param_permission_common {
- my ($rpcenv, $user, $param) = @_;
+ my ($rpcenv, $user, $param, $is_delete) = @_;
return if $user eq 'root@pam'; # always OK
for my $key (qw(tmpdir dumpdir script)) {
@@ -52,6 +52,12 @@ sub assert_param_permission_common {
if (grep { defined($param->{$_}) } qw(bwlimit ionice performance)) {
$rpcenv->check($user, "/", [ 'Sys.Modify' ]);
}
+
+ if ($param->{fleecing} && !$is_delete) {
+ my $fleecing = PVE::VZDump::parse_fleecing($param);
+ $rpcenv->check($user, "/storage/$fleecing->{storage}", [ 'Datastore.AllocateSpace' ])
+ if $fleecing->{storage};
+ }
}
my sub assert_param_permission_create {
@@ -70,7 +76,7 @@ my sub assert_param_permission_update {
return if $user eq 'root@pam'; # always OK
assert_param_permission_common($rpcenv, $user, $update);
- assert_param_permission_common($rpcenv, $user, $delete);
+ assert_param_permission_common($rpcenv, $user, $delete, 1);
if ($update->{storage}) {
$rpcenv->check($user, "/storage/$update->{storage}", [ 'Datastore.Allocate' ])
diff --git a/PVE/API2/VZDump.pm b/PVE/API2/VZDump.pm
index f66fc740..7f92e7ec 100644
--- a/PVE/API2/VZDump.pm
+++ b/PVE/API2/VZDump.pm
@@ -41,10 +41,11 @@ __PACKAGE__->register_method ({
description => "Create backup.",
permissions => {
description => "The user needs 'VM.Backup' permissions on any VM, and "
- ."'Datastore.AllocateSpace' on the backup storage. The 'tmpdir', 'dumpdir' and "
- ."'script' parameters are restricted to the 'root\@pam' user. The 'maxfiles' and "
- ."'prune-backups' settings require 'Datastore.Allocate' on the backup storage. The "
- ."'bwlimit', 'performance' and 'ionice' parameters require 'Sys.Modify' on '/'. ",
+ ."'Datastore.AllocateSpace' on the backup storage (and fleecing storage when fleecing "
+ ."is used). The 'tmpdir', 'dumpdir' and 'script' parameters are restricted to the "
+ ."'root\@pam' user. The 'maxfiles' and 'prune-backups' settings require "
+ ."'Datastore.Allocate' on the backup storage. The 'bwlimit', 'performance' and "
+ ."'ionice' parameters require 'Sys.Modify' on '/'.",
user => 'all',
},
protected => 1,
diff --git a/PVE/VZDump.pm b/PVE/VZDump.pm
index 74eb0c83..88149d68 100644
--- a/PVE/VZDump.pm
+++ b/PVE/VZDump.pm
@@ -130,7 +130,7 @@ my $generate_notes = sub {
return $notes_template;
};
-my sub parse_fleecing {
+sub parse_fleecing {
my ($param) = @_;
if (defined(my $fleecing = $param->{fleecing})) {
--
2.39.2