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Remove CopyEndpointToPeer_Locked

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This commit is contained in:
Ludvig Strigeus 2018-11-17 19:11:25 +01:00
parent b52d8f3d70
commit 852b0c5373
2 changed files with 14 additions and 19 deletions
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32
wireguard.cpp
View file

@ -651,6 +651,7 @@ bool WireguardProcessor::IsMainThreadPacket(Packet *packet) {
// Handles an incoming WireGuard packet from the UDP side, decrypt etc.
void WireguardProcessor::HandleUdpPacket(Packet *packet, bool overload) {
uint32 type;
assert(packet->protocol != 0xCD && (uint16)packet->addr.sin.sin_family != 0xCDCD); // catch msvc uninit mem
// Unscramble incoming packets
#if WITH_HEADER_OBFUSCATION
@ -699,19 +700,6 @@ invalid_size:
}
}
void WgPeer::CopyEndpointToPeer_Locked(WgKeypair *keypair, const IpAddr *addr) {
// Remember how to send packets to this peer
if (keypair->peer->allow_endpoint_change_ &&
CompareIpAddr(&keypair->peer->endpoint_, addr) && addr->sin.sin_family != 0) {
#if WITH_SHORT_HEADERS
// When the endpoint changes, forget about using the short key.
keypair->broadcast_short_key = 0;
keypair->can_use_short_key_for_outgoing = false;
#endif // WITH_SHORT_HEADERS
keypair->peer->endpoint_ = *addr;
}
}
#if WITH_SHORT_HEADERS
void WireguardProcessor::HandleShortHeaderFormatPacket(uint32 tag, Packet *packet) {
assert(dev_.IsMainOrDataThread());
@ -809,8 +797,6 @@ void WireguardProcessor::HandleShortHeaderFormatPacket(uint32 tag, Packet *packe
keypair->send_ctr_acked = std::max<uint64>(keypair->send_ctr_acked, acked_counter);
WgPeer::CopyEndpointToPeer_Locked(keypair, &packet->addr);
// Periodically broadcast out the short key
if ((tag & WG_SHORT_HEADER_KEY_ID_MASK) == 0x00 && !keypair->did_attempt_remember_ip_port) {
keypair->did_attempt_remember_ip_port = true;
@ -848,6 +834,19 @@ void WireguardProcessor::NotifyHandshakeComplete() {
void WireguardProcessor::HandleAuthenticatedDataPacket_WillUnlock(WgKeypair *keypair, Packet *packet) {
WgPeer *peer = keypair->peer;
assert(peer->IsPeerLocked());
assert(packet->addr.sin.sin_family != 0);
// Remember the endpoint of the peer
if (peer->allow_endpoint_change_ &&
(CompareIpAddr(&peer->endpoint_, &packet->addr) | (peer->endpoint_protocol_ ^ packet->protocol)) != 0) {
#if WITH_SHORT_HEADERS
// When the endpoint changes, forget about using the short key.
keypair->broadcast_short_key = 0;
keypair->can_use_short_key_for_outgoing = false;
#endif // WITH_SHORT_HEADERS
peer->endpoint_ = packet->addr;
peer->endpoint_protocol_ = packet->protocol;
}
// Remember how many incoming packets we've seen so we can approximate loss
keypair->incoming_packet_count++;
@ -969,9 +968,6 @@ getout:
goto getout;
} else {
assert(!keypair->peer->marked_for_delete_);
WgPeer::CopyEndpointToPeer_Locked(keypair, &packet->addr);
HandleAuthenticatedDataPacket_WillUnlock(keypair, packet);
}
}

1
wireguard_proto.h
View file

@ -509,7 +509,6 @@ private:
void WriteMacToPacket(const uint8 *data, MessageMacs *mac);
void CheckAndUpdateTimeOfNextKeyEvent(uint64 now);
static void DeleteKeypair(WgKeypair **kp);
static void CopyEndpointToPeer_Locked(WgKeypair *keypair, const IpAddr *addr);
static void DelayedDelete(void *x);
size_t WriteHandshakeExtension(uint8 *dst, WgKeypair *keypair);
void InsertKeypairInPeer_Locked(WgKeypair *keypair);