Fix buffer overflow for large 64-bit numbers

sql_structs.go

@@ -372,7 +372,7 @@ func (k *Key) Develop() {
 }
 
 func (k *Key) GenerateToken() error {
-	buf_int64 := make([]byte, 8) // 8 bytes = 64 bits
+	buf_int64 := make([]byte, 10) // 8 bytes = 64 bits
 	input := []byte{}
 	if randomizeTokens {
 		max := big.NewInt(2 ^ 16 - 1)
@@ -383,11 +383,11 @@ func (k *Key) GenerateToken() error {
 		}
 	}
 	binary.PutVarint(buf_int64, k.ID)
-	input = append(input, buf_int64...)
+	input = append(input, buf_int64[0:8]...)
 	binary.PutVarint(buf_int64, k.Player)
-	input = append(input, buf_int64...)
+	input = append(input, buf_int64[0:8]...)
 	binary.PutVarint(buf_int64, k.Time)
-	input = append(input, buf_int64...)
+	input = append(input, buf_int64[0:8]...)
 	bToken := sha512.Sum512(input)
 	//k.Token = string(bToken)
 	k.Token = ""