Handle network interface binding errors

2 files changed, 6 insertions, 0 deletions

diff --git a/app/src/main/java/org/pacien/tincapp/service/TincVpnService.kt b/app/src/main/java/org/pacien/tincapp/service/TincVpnService.kt
index b59be80..0bf72a1 100644
--- a/app/src/main/java/org/pacien/tincapp/service/TincVpnService.kt
+++ b/app/src/main/java/org/pacien/tincapp/service/TincVpnService.kt
@@ -79,6 +79,10 @@ class TincVpnService : VpnService() {
         .establish()!!
     } catch (e: IllegalArgumentException) {
       return reportError(resources.getString(R.string.message_network_config_invalid_format, e.message!!), e, "network-interface")
+    } catch (e: IllegalStateException) {
+      return reportError(resources.getString(R.string.message_could_not_configure_iface, e.message!!), e)
+    } catch (e: NullPointerException) {
+      return reportError(resources.getString(R.string.message_could_not_bind_iface), e)
     }
 
     val privateKeys = try {
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 6dfcfb7..25bee44 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -86,6 +86,8 @@
         <string name="message_loading">Loading…</string>
         <string name="message_log_level_set">Log level set to %1$d.</string>
         <string name="message_log_paused">Logging paused.</string>
+        <string name="message_could_not_configure_iface">Could not apply network interface configuration:\n\n%1$s</string>
+        <string name="message_could_not_bind_iface">Could not bind network interface. Is another VPN running?</string>
 
         <string name="value_none">none</string>
         <string name="value_yes">yes</string>