[pve-devel] [PATCH qemu-server 1/1] api2: add check_bridge_access for create/update vm

[Alexandre Derumier]

Signed-off-by: Alexandre Derumier <aderumier at odiso.com>
---
 PVE/API2/Qemu.pm | 37 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 36 insertions(+), 1 deletion(-)

diff --git a/PVE/API2/Qemu.pm b/PVE/API2/Qemu.pm
index 587bb22..ebef93f 100644
--- a/PVE/API2/Qemu.pm
+++ b/PVE/API2/Qemu.pm
@@ -46,6 +46,12 @@ use PVE::SSHInfo;
 use PVE::Replication;
 use PVE::StorageTunnel;
 
+my $have_sdn;
+eval {
+    require PVE::Network::SDN;
+    $have_sdn = 1;
+};
+
 BEGIN {
     if (!$ENV{PVE_GENERATING_DOCS}) {
 	require PVE::HA::Env::PVE2;
@@ -601,6 +607,33 @@ my $check_vm_create_usb_perm = sub {
     return 1;
 };
 
+my $check_bridge_access = sub {
+    my ($rpcenv, $authuser, $param) = @_;
+
+    return 1 if $authuser eq 'root at pam';
+
+    foreach my $opt (keys %{$param}) {
+	next if $opt !~ m/^net\d+$/;
+	my $net = PVE::QemuServer::parse_net($param->{$opt});
+	my $bridge = $net->{bridge};
+	my $tag = $net->{tag};
+	my $zone = 'local';
+
+	if ($have_sdn) {
+	    my $vnet_cfg = PVE::Network::SDN::Vnets::config();
+	    if (defined(my $vnet = PVE::Network::SDN::Vnets::sdn_vnets_config($vnet_cfg, $bridge, 1))) {
+		$zone = $vnet->{zone};
+	    }
+	}
+	return 1 if $rpcenv->check_any($authuser, "/sdn/zones/$zone", ['SDN.Audit', 'SDN.Allocate'], 1);
+
+	return 1 if $tag && $rpcenv->check_any($authuser, "/sdn/vnets/$bridge.$tag", ['SDN.Audit', 'SDN.Allocate'], 1);
+
+	$rpcenv->check_any($authuser, "/sdn/vnets/$bridge", ['SDN.Audit', 'SDN.Allocate']);
+    }
+    return 1;
+};
+
 my $check_vm_modify_config_perm = sub {
     my ($rpcenv, $authuser, $vmid, $pool, $key_list) = @_;
 
@@ -878,7 +911,7 @@ __PACKAGE__->register_method({
 
 	    &$check_vm_create_serial_perm($rpcenv, $authuser, $vmid, $pool, $param);
 	    &$check_vm_create_usb_perm($rpcenv, $authuser, $vmid, $pool, $param);
-
+	    &$check_bridge_access($rpcenv, $authuser, $param);
 	    &$check_cpu_model_access($rpcenv, $authuser, $param);
 
 	    $check_drive_param->($param, $storecfg);
@@ -1578,6 +1611,8 @@ my $update_vm_api  = sub {
 
     &$check_storage_access($rpcenv, $authuser, $storecfg, $vmid, $param);
 
+    &$check_bridge_access($rpcenv, $authuser, $param);
+
     my $updatefn =  sub {
 
 	my $conf = PVE::QemuConfig->load_config($vmid);
-- 
2.30.2