Add network filters metadata

virtweb_backend/src/constants.rs

@@ -74,3 +74,6 @@ pub const BUILTIN_NETWORK_FILTER_RULES: [&str; 24] = [
     "qemu-announce-self",
     "qemu-announce-self-rarp",
 ];
+
+/// List of valid network chains
+pub const NETWORK_CHAINS: [&str; 8] = ["root", "mac", "stp", "vlan", "arp", "rarp", "ipv4", "ipv6"];

virtweb_backend/src/controllers/server_controller.rs

@@ -15,8 +15,9 @@ struct StaticConfig {
     oidc_auth_enabled: bool,
     iso_mimetypes: &'static [&'static str],
     net_mac_prefix: &'static str,
-    constraints: ServerConstraints,
     builtin_nwfilter_rules: &'static [&'static str],
+    nwfilter_chains: &'static [&'static str],
+    constraints: ServerConstraints,
 }
 
 #[derive(serde::Serialize)]
@@ -25,6 +26,12 @@ struct LenConstraints {
     max: usize,
 }
 
+#[derive(serde::Serialize)]
+struct SLenConstraints {
+    min: i64,
+    max: i64,
+}
+
 #[derive(serde::Serialize)]
 struct ServerConstraints {
     iso_max_size: usize,
@@ -37,6 +44,9 @@ struct ServerConstraints {
     net_name_size: LenConstraints,
     net_title_size: LenConstraints,
     dhcp_reservation_host_name: LenConstraints,
+    nwfilter_name_size: LenConstraints,
+    nwfilter_comment_size: LenConstraints,
+    nwfilter_priority: SLenConstraints,
 }
 
 pub async fn static_config(local_auth: LocalAuthEnabled) -> impl Responder {
@@ -47,6 +57,7 @@ pub async fn static_config(local_auth: LocalAuthEnabled) -> impl Responder {
         iso_mimetypes: &constants::ALLOWED_ISO_MIME_TYPES,
         net_mac_prefix: constants::NET_MAC_ADDR_PREFIX,
         builtin_nwfilter_rules: &constants::BUILTIN_NETWORK_FILTER_RULES,
+        nwfilter_chains: &constants::NETWORK_CHAINS,
         constraints: ServerConstraints {
             iso_max_size: constants::ISO_MAX_SIZE,
 
@@ -71,6 +82,13 @@ pub async fn static_config(local_auth: LocalAuthEnabled) -> impl Responder {
             net_title_size: LenConstraints { min: 0, max: 50 },
 
             dhcp_reservation_host_name: LenConstraints { min: 2, max: 250 },
+
+            nwfilter_name_size: LenConstraints { min: 2, max: 250 },
+            nwfilter_comment_size: LenConstraints { min: 0, max: 256 },
+            nwfilter_priority: SLenConstraints {
+                min: -1000,
+                max: 1000,
+            },
         },
     })
 }