* Add plugin ACL for source ip filtering
Signed-off-by: An Xiao <hac@zju.edu.cn>

* Allow all arguments to be optional and support multiple qtypes in a single policy
Signed-off-by: An Xiao <hac@zju.edu.cn>

* Add newline before third party imports
Signed-off-by: An Xiao <hac@zju.edu.cn>

* Use camel instead of underscore in method name
Signed-off-by: An Xiao <hac@zju.edu.cn>

* Start with an upper case letter in t.Errorf()
Signed-off-by: An Xiao <hac@zju.edu.cn>

* Use the qtype parse logic in miekg/dns
Signed-off-by: An Xiao <hac@zju.edu.cn>

* Use third party trie implementation as the ip filter
Signed-off-by: An Xiao <hac@zju.edu.cn>

* Update based on rdrozhdzh's comment
Signed-off-by: An Xiao <hac@zju.edu.cn>

* Change the type of action to int
Signed-off-by: An Xiao <hac@zju.edu.cn>

* Add IPv6 support
Signed-off-by: An Xiao <hac@zju.edu.cn>

* Update plugin.cfg
Signed-off-by: An Xiao <hac@zju.edu.cn>

* Remove file functionality
Signed-off-by: An Xiao <hac@zju.edu.cn>

* Update
Signed-off-by: Xiao An <hac@zju.edu.cn>

* Update README
Signed-off-by: Xiao An <hac@zju.edu.cn>

* remove comments
Signed-off-by: Xiao An <hac@zju.edu.cn>

* update
Signed-off-by: Xiao An <hac@zju.edu.cn>

* Update dependency
Signed-off-by: Xiao An <hac@zju.edu.cn>

* Update
Signed-off-by: Xiao An <hac@zju.edu.cn>

* Update test
Signed-off-by: Xiao An <hac@zju.edu.cn>

* Add OWNERS
Signed-off-by: Xiao An <hac@zju.edu.cn>

* Refactor shouldBlock and skip useless check
Signed-off-by: Xiao An <hac@zju.edu.cn>

* Introduce ActionNone
Signed-off-by: Xiao An <hac@zju.edu.cn>

* Update label name
Signed-off-by: Xiao An <hac@zju.edu.cn>

* Avoid capitalizing private types
Signed-off-by: Xiao An <hac@zju.edu.cn>