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-rw-r--r--src/anytun.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/anytun.cpp b/src/anytun.cpp
index 51c2b1d..5036fa1 100644
--- a/src/anytun.cpp
+++ b/src/anytun.cpp
@@ -230,7 +230,8 @@ void receiver(TunDevice* dev, PacketSource* src)
std::auto_ptr<Cipher> c(CipherFactory::create(gOpt.getCipher(), KD_INBOUND));
std::auto_ptr<AuthAlgo> a(AuthAlgoFactory::create(gOpt.getAuthAlgo(), KD_INBOUND));
- EncryptedPacket encrypted_packet(MAX_PACKET_LENGTH, gOpt.getAuthTagLength());
+ u_int32_t auth_tag_length = gOpt.getAuthTagLength();
+ EncryptedPacket encrypted_packet(MAX_PACKET_LENGTH, auth_tag_length);
PlainPacket plain_packet(MAX_PACKET_LENGTH);
while(1) {
@@ -252,7 +253,7 @@ void receiver(TunDevice* dev, PacketSource* src)
if(len < 0)
continue; // silently ignore socket recv errors, this is probably no good idea...
- if(static_cast<u_int32_t>(len) < EncryptedPacket::getHeaderLength())
+ if(static_cast<u_int32_t>(len) < (EncryptedPacket::getHeaderLength() + auth_tag_length))
continue; // ignore short packets
encrypted_packet.setLength(len);