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Only TCP and UDP have port numbers

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This commit is contained in:
M66B 2016-02-06 10:04:42 +01:00
parent b59d1a1e3e
commit 9f1be43455
1 changed files with 7 additions and 4 deletions
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11
app/src/main/java/eu/faircode/netguard/SinkholeService.java
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@ -681,6 +681,8 @@ public class SinkholeService extends VpnService implements SharedPreferences.OnS
// Application log
if (log_app && packet.uid >= 0) {
if (!(packet.protocol == 6 /* TCP */ || packet.protocol == 17 /* UDP */))
packet.dport = 0;
if (dh.updateAccess(packet, dname, -1))
if (notify && prefs.getBoolean("notify_" + packet.uid, true) &&
(system || !Util.isSystem(packet.uid, SinkholeService.this)))
@ -944,6 +946,8 @@ public class SinkholeService extends VpnService implements SharedPreferences.OnS
// 16..31 dport
// 32..39 protocol
// 40..43 version
if (!(protocol == 6 /* TCP */ || protocol == 17 /* UDP */))
dport = 0;
long key = (version << 40) | (protocol << 32) | (dport << 16) | uid;
if (!map.containsKey(key))
@ -1102,16 +1106,15 @@ public class SinkholeService extends VpnService implements SharedPreferences.OnS
if (packet.uid == Process.myUid())
return true;
if (packet.protocol == 1 || packet.protocol == 58) // ICMP
packet.dport = 0;
packet.allowed = false;
if (prefs.getBoolean("filter", false)) {
if (packet.uid < 0) // unknown
packet.allowed = true;
else {
boolean filtered = false;
long key = (packet.version << 40) | (packet.protocol << 32) | (packet.dport << 16) | packet.uid;
// Only TCP (6) and UDP (17) have port numbers
int dport = (packet.protocol == 6 || packet.protocol == 17 ? packet.dport : 0);
long key = (packet.version << 40) | (packet.protocol << 32) | (dport << 16) | packet.uid;
synchronized (mapUidIPFilters) {
if (mapUidIPFilters.containsKey(key))