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authorcyBerta <cyberta@riseup.net>2021-12-11 16:33:58 +0100
committercyBerta <cyberta@riseup.net>2021-12-11 16:33:58 +0100
commit1a20d1e035265fce6cd7a54e03e5a43885f50d50 (patch)
tree6051bdb19c1cea43dd53d63a109781133ba2c054 /app/src/main/java
parent6949fc419d56ff6f657c78da61ea1eeed2169bd0 (diff)
catch potential security exception when checking network capabilities
Diffstat (limited to 'app/src/main/java')
-rw-r--r--app/src/main/java/de/blinkt/openvpn/core/NetworkUtils.java36
1 files changed, 20 insertions, 16 deletions
diff --git a/app/src/main/java/de/blinkt/openvpn/core/NetworkUtils.java b/app/src/main/java/de/blinkt/openvpn/core/NetworkUtils.java
index a4f09806..5b11c0a0 100644
--- a/app/src/main/java/de/blinkt/openvpn/core/NetworkUtils.java
+++ b/app/src/main/java/de/blinkt/openvpn/core/NetworkUtils.java
@@ -27,28 +27,32 @@ public class NetworkUtils {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
Network[] networks = conn.getAllNetworks();
for (Network network : networks) {
- NetworkInfo ni = conn.getNetworkInfo(network);
- LinkProperties li = conn.getLinkProperties(network);
+ try {
+ NetworkInfo ni = conn.getNetworkInfo(network);
+ LinkProperties li = conn.getLinkProperties(network);
- NetworkCapabilities nc = conn.getNetworkCapabilities(network);
+ NetworkCapabilities nc = conn.getNetworkCapabilities(network);
- if (nc == null) {
- continue;
- }
+ if (nc == null) {
+ continue;
+ }
- // Skip VPN networks like ourselves
- if (nc.hasTransport(NetworkCapabilities.TRANSPORT_VPN))
- continue;
+ // Skip VPN networks like ourselves
+ if (nc.hasTransport(NetworkCapabilities.TRANSPORT_VPN))
+ continue;
- // Also skip mobile networks
- if (nc.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR))
- continue;
+ // Also skip mobile networks
+ if (nc.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR))
+ continue;
- for (LinkAddress la : li.getLinkAddresses()) {
- if ((la.getAddress() instanceof Inet4Address && !ipv6) ||
- (la.getAddress() instanceof Inet6Address && ipv6))
- nets.add(la.toString());
+ for (LinkAddress la : li.getLinkAddresses()) {
+ if ((la.getAddress() instanceof Inet4Address && !ipv6) ||
+ (la.getAddress() instanceof Inet6Address && ipv6))
+ nets.add(la.toString());
+ }
+ } catch (SecurityException se) {
+ se.printStackTrace();
}
}
} else {