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| author |   Mathias Hall-Andersen <mathias@hall-andersen.dk> | 2017-10-08 22:03:32 +0200 |
|---|---|---|
| committer | Mathias Hall-Andersen <mathias@hall-andersen.dk> | 2017-10-08 22:03:32 +0200 |
| commit | a72b0f7ae5dda27d839bb317b7c01d11b215e77a (patch) | |
| tree | bd70e6fc71574b300e6e928b7887d69c7cf4ddef /src/cookie.go | |
| parent | Begin incorporating new src cache into receive (diff) | |
| download | wireguard-go-a72b0f7ae5dda27d839bb317b7c01d11b215e77a.tar.xz wireguard-go-a72b0f7ae5dda27d839bb317b7c01d11b215e77a.zip | |
Added new UDPBind interface
Diffstat (limited to 'src/cookie.go')
| -rw-r--r-- | src/cookie.go | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/src/cookie.go b/src/cookie.go index a81819b..a13ad49 100644 --- a/src/cookie.go +++ b/src/cookie.go @@ -5,10 +5,8 @@ import ( "crypto/rand" "golang.org/x/crypto/blake2s" "golang.org/x/crypto/chacha20poly1305" - "net" "sync" "time" - "unsafe" ) type CookieChecker struct { @@ -76,7 +74,7 @@ func (st *CookieChecker) CheckMAC1(msg []byte) bool { return hmac.Equal(mac1[:], msg[smac1:smac2]) } -func (st *CookieChecker) CheckMAC2(msg []byte, src *net.UDPAddr) bool { +func (st *CookieChecker) CheckMAC2(msg []byte, src []byte) bool { st.mutex.RLock() defer st.mutex.RUnlock() @@ -89,8 +87,7 @@ func (st *CookieChecker) CheckMAC2(msg []byte, src *net.UDPAddr) bool { var cookie [blake2s.Size128]byte func() { mac, _ := blake2s.New128(st.mac2.secret[:]) - mac.Write(src.IP) - mac.Write((*[unsafe.Sizeof(src.Port)]byte)(unsafe.Pointer(&src.Port))[:]) + mac.Write(src) mac.Sum(cookie[:0]) }() @@ -111,7 +108,7 @@ func (st *CookieChecker) CheckMAC2(msg []byte, src *net.UDPAddr) bool { func (st *CookieChecker) CreateReply( msg []byte, recv uint32, - src *net.UDPAddr, + src []byte, ) (*MessageCookieReply, error) { st.mutex.RLock() @@ -136,8 +133,7 @@ func (st *CookieChecker) CreateReply( var cookie [blake2s.Size128]byte func() { mac, _ := blake2s.New128(st.mac2.secret[:]) - mac.Write(src.IP) - mac.Write((*[unsafe.Sizeof(src.Port)]byte)(unsafe.Pointer(&src.Port))[:]) + mac.Write(src) mac.Sum(cookie[:0]) }() |