[pve-devel] [PATCH v3 qemu-server 1/1] api2: add check_bridge_access for create/update/clone vm

[Alexandre Derumier]

Signed-off-by: Alexandre Derumier <aderumier at odiso.com>
---
 PVE/API2/Qemu.pm | 25 ++++++++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)

diff --git a/PVE/API2/Qemu.pm b/PVE/API2/Qemu.pm
index 587bb22..c290c81 100644
--- a/PVE/API2/Qemu.pm
+++ b/PVE/API2/Qemu.pm
@@ -23,7 +23,7 @@ use PVE::Storage;
 use PVE::JSONSchema qw(get_standard_option);
 use PVE::RESTHandler;
 use PVE::ReplicationConfig;
-use PVE::GuestHelpers qw(assert_tag_permissions);
+use PVE::GuestHelpers qw(assert_tag_permissions check_vnet_access);
 use PVE::QemuConfig;
 use PVE::QemuServer;
 use PVE::QemuServer::Cloudinit;
@@ -601,6 +601,21 @@ 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 = $net->{tag};
+	check_vnet_access($rpcenv, $authuser, $bridge, $tag);
+    }
+    return 1;
+};
+
 my $check_vm_modify_config_perm = sub {
     my ($rpcenv, $authuser, $vmid, $pool, $key_list) = @_;
 
@@ -878,7 +893,7 @@ __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 +1593,8 @@ 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);
@@ -3355,7 +3372,7 @@ __PACKAGE__->register_method({
     permissions => {
 	description => "You need 'VM.Clone' permissions on /vms/{vmid}, and 'VM.Allocate' permissions " .
 	    "on /vms/{newid} (or on the VM pool /pool/{pool}). You also need " .
-	    "'Datastore.AllocateSpace' on any used storage.",
+	    "'Datastore.AllocateSpace' on any used storage and 'SDN.Use' on any used bridge/vnet",
 	check =>
 	[ 'and',
 	  ['perm', '/vms/{vmid}', [ 'VM.Clone' ]],
@@ -3489,6 +3506,8 @@ __PACKAGE__->register_method({
 
 	    my $sharedvm = &$check_storage_access_clone($rpcenv, $authuser, $storecfg, $oldconf, $storage);
 
+	    &$check_bridge_access($rpcenv, $authuser, $oldconf);
+
 	    die "can't clone VM to node '$target' (VM uses local storage)\n"
 		if $target && !$sharedvm;
 
-- 
2.30.2