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From: Lorenz Stechauner <l.stechauner@proxmox.com>
To: pve-devel@lists.proxmox.com
Date: Thu, 17 Jun 2021 10:39:18 +0200
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Subject: [pve-devel] [PATCH v3 manager] pve6to7: add check for pool
permissions
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the two checks make sure that:
* no user defined role 'PVEPoolUser' exists
* the user gets a hint for roles only containing Pool.Allocate and
not Pool.Audit
a very simple parser for user.cfg was implemented to be able to
parse the (in pve 6 invalid) Pool.Audit permission
Signed-off-by: Lorenz Stechauner <l.stechauner@proxmox.com>
---
PVE/CLI/pve6to7.pm | 48 +++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 47 insertions(+), 1 deletion(-)
diff --git a/PVE/CLI/pve6to7.pm b/PVE/CLI/pve6to7.pm
index 90f92a55..4fe606f3 100644
--- a/PVE/CLI/pve6to7.pm
+++ b/PVE/CLI/pve6to7.pm
@@ -9,6 +9,7 @@ use PVE::API2::LXC;
use PVE::API2::Qemu;
use PVE::API2::Certificates;
+use PVE::AccessControl;
use PVE::Ceph::Tools;
use PVE::Cluster;
use PVE::Corosync;
@@ -16,10 +17,11 @@ use PVE::INotify;
use PVE::JSONSchema;
use PVE::RPCEnvironment;
use PVE::Storage;
-use PVE::Tools qw(run_command);
+use PVE::Tools qw(run_command split_list);
use PVE::QemuServer;
use PVE::VZDump::Common;
+use File::Slurp;
use Term::ANSIColor;
use PVE::CLIHandler;
@@ -601,6 +603,49 @@ sub check_cifs_credential_location {
log_pass("no CIFS credentials at outdated location found.") if !$found;
}
+sub check_custom_pool_roles {
+ log_info("Checking custom roles for pool permissions..");
+
+ my $raw = read_file('/etc/pve/user.cfg');
+
+ my $roles = {};
+ while ($raw =~ /^\s*role:(.*?):(.*?):(.*?)\s*$/gm) {
+ my ($role, $privlist) = ($1, $2);
+
+ if (!PVE::AccessControl::verify_rolename($role, 1)) {
+ warn "user config - ignore role '$role' - invalid characters in role name\n";
+ next;
+ }
+
+ $roles->{$role} = {} if !$roles->{$role};
+ foreach my $priv (split_list($privlist)) {
+ $roles->{$role}->{$priv} = 1;
+ }
+ }
+
+ foreach my $role (sort keys %{$roles}) {
+ if (PVE::AccessControl::role_is_special($role)) {
+ next;
+ }
+
+ if ($role eq "PVEPoolUser") {
+ # the user created a custom role named PVEPoolUser
+ log_fail("Custom role '$role' has a restricted name - a built-in role 'PVEPoolUser' will be available with the upgrade");
+ } else {
+ log_pass("Custom role '$role' has no restricted name");
+ }
+
+ my $perms = $roles->{$role};
+ if ($perms->{'Pool.Allocate'} && $perms->{'Pool.Audit'}) {
+ log_pass("Custom role '$role' contains updated pool permissions");
+ } elsif ($perms->{'Pool.Allocate'}) {
+ log_warn("Custom role '$role' contains permission 'Pool.Allocate' - to ensure same behavior add 'Pool.Audit' to this role");
+ } else {
+ log_pass("Custom role '$role' contains no permissions that need to be updated");
+ }
+ }
+}
+
sub check_misc {
print_header("MISCELLANEOUS CHECKS");
my $ssh_config = eval { PVE::Tools::file_get_contents('/root/.ssh/config') };
@@ -693,6 +738,7 @@ sub check_misc {
check_backup_retention_settings();
check_cifs_credential_location();
+ check_custom_pool_roles();
}
__PACKAGE__->register_method ({
--
2.30.2