Fix wireguard_preup issue for Wireguard custom providers

Author: jamesmcm

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "vopono"
 description = "Launch applications via VPN tunnels using temporary network namespaces"
-version = "0.10.2"
+version = "0.10.3"
 authors = ["James McMurray <[email protected]>"]
 edition = "2021"
 license = "GPL-3.0-or-later"

vopono_core/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "vopono_core"
 description = "Library code for running VPN connections in network namespaces"
-version = "0.1.2"
+version = "0.1.3"
 edition = "2021"
 authors = ["James McMurray <[email protected]>"]
 license = "GPL-3.0-or-later"

vopono_core/src/network/netns.rs

@@ -376,9 +376,9 @@ impl NetworkNamespace {
         dns: Option<&Vec<IpAddr>>,
         hosts_entries: Option<&Vec<String>>,
     ) -> anyhow::Result<()> {
-        self.provider
-            .get_dyn_wireguard_provider()?
-            .wireguard_preup(config_file.as_path())?;
+        if let Ok(wgprov) = self.provider.get_dyn_wireguard_provider() {
+            wgprov.wireguard_preup(config_file.as_path())?;
+        }
 
         self.wireguard = Some(Wireguard::run(
             self,