diff --git a/Cargo.lock b/Cargo.lock
index cd17228..18920dd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -61,6 +61,21 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "android-tzdata"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e999941b234f3131b00bc13c22d06e8c5ff726d1b6318ac7eb276997bbb4fef0"
+
+[[package]]
+name = "android_system_properties"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "ansi_term"
 version = "0.12.1"
@@ -70,34 +85,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "anyhow"
-version = "1.0.86"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3d1d046238990b9cf5bcde22a3fb3584ee5cf65fb2765f454ed428c7a0063da"
-
-[[package]]
-name = "async-stream"
-version = "0.3.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd56dd203fef61ac097dd65721a419ddccb106b2d2b70ba60a6b529f03961a51"
-dependencies = [
- "async-stream-impl",
- "futures-core",
- "pin-project-lite",
-]
-
-[[package]]
-name = "async-stream-impl"
-version = "0.3.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "16e62a023e7c117e27523144c5d2459f4397fcc3cab0085af8e2224f643a0193"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.72",
-]
-
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -136,38 +123,6 @@ version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
-[[package]]
-name = "bincode"
-version = "1.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1f45e9417d87227c7a56d22e471c6206462cba514c7590c09aff4cf6d1ddcad"
-dependencies = [
- "serde",
-]
-
-[[package]]
-name = "bindgen"
-version = "0.69.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a00dc851838a2120612785d195287475a3ac45514741da670b735818822129a0"
-dependencies = [
- "bitflags 2.6.0",
- "cexpr",
- "clang-sys",
- "itertools",
- "lazy_static",
- "lazycell",
- "log",
- "prettyplease",
- "proc-macro2",
- "quote",
- "regex",
- "rustc-hash",
- "shlex",
- "syn 2.0.72",
- "which",
-]
-
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -196,6 +151,12 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8d696c370c750c948ada61c69a0ee2cbbb9c50b1019ddb86d9317157a99c2cae"
 
+[[package]]
+name = "bumpalo"
+version = "3.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
+
 [[package]]
 name = "byteorder"
 version = "1.5.0"
@@ -234,15 +195,6 @@ version = "1.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "504bdec147f2cc13c8b57ed9401fd8a147cc66b67ad5cb241394244f2c947549"
 
-[[package]]
-name = "cexpr"
-version = "0.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
-dependencies = [
- "nom",
-]
-
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -255,6 +207,20 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724"
 
+[[package]]
+name = "chrono"
+version = "0.4.38"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a21f936df1771bf62b77f047b726c4625ff2e8aa607c01ec06e5a05bd8463401"
+dependencies = [
+ "android-tzdata",
+ "iana-time-zone",
+ "js-sys",
+ "num-traits",
+ "wasm-bindgen",
+ "windows-targets",
+]
+
 [[package]]
 name = "cipher"
 version = "0.3.0"
@@ -274,17 +240,6 @@ dependencies = [
  "inout",
 ]
 
-[[package]]
-name = "clang-sys"
-version = "1.8.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b023947811758c97c59bf9d1c188fd619ad4718dcaa767947df1cadb14f39f4"
-dependencies = [
- "glob",
- "libc",
- "libloading",
-]
-
 [[package]]
 name = "clap"
 version = "2.34.0"
@@ -300,6 +255,12 @@ dependencies = [
  "vec_map",
 ]
 
+[[package]]
+name = "core-foundation-sys"
+version = "0.8.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
+
 [[package]]
 name = "cpufeatures"
 version = "0.2.12"
@@ -370,12 +331,6 @@ dependencies = [
  "syn 2.0.72",
 ]
 
-[[package]]
-name = "either"
-version = "1.13.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60b1af1c220855b6ceac025d3f6ecdd2b7c4894bfe9cd9bda4fbb4bc7c0d4cf0"
-
 [[package]]
 name = "env_logger"
 version = "0.9.3"
@@ -395,16 +350,6 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
-[[package]]
-name = "errno"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "534c5cf6194dfab3db3242765c03bbe257cf92f22b38f6bc0c58d59108a820ba"
-dependencies = [
- "libc",
- "windows-sys 0.52.0",
-]
-
 [[package]]
 name = "fiat-crypto"
 version = "0.2.9"
@@ -537,12 +482,6 @@ version = "0.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "40ecd4077b5ae9fd2e9e169b102c6c330d0605168eb0e8bf79952b256dbefffd"
 
-[[package]]
-name = "glob"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
-
 [[package]]
 name = "hashbrown"
 version = "0.14.5"
@@ -570,15 +509,6 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
-[[package]]
-name = "home"
-version = "0.5.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3d1354bf6b7235cb4a0576c2619fd4ed18183f689b12b006a0ee7329eeff9a5"
-dependencies = [
- "windows-sys 0.52.0",
-]
-
 [[package]]
 name = "humantime"
 version = "2.1.0"
@@ -594,6 +524,29 @@ dependencies = [
  "phf",
 ]
 
+[[package]]
+name = "iana-time-zone"
+version = "0.1.60"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7ffbb5a1b541ea2561f8c41c087286cc091e21e556a4f09a8f6cbf17b69b141"
+dependencies = [
+ "android_system_properties",
+ "core-foundation-sys",
+ "iana-time-zone-haiku",
+ "js-sys",
+ "wasm-bindgen",
+ "windows-core",
+]
+
+[[package]]
+name = "iana-time-zone-haiku"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f31827a206f56af32e590ba56d5d2d085f558508192593743f16b2306495269f"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "indexmap"
 version = "2.4.0"
@@ -619,24 +572,6 @@ version = "2.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f518f335dce6725a761382244631d86cf0ccb2863413590b31338feb467f9c3"
 
-[[package]]
-name = "ipnetwork"
-version = "0.20.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf466541e9d546596ee94f9f69590f89473455f88372423e0008fc1a7daf100e"
-dependencies = [
- "serde",
-]
-
-[[package]]
-name = "itertools"
-version = "0.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba291022dbbd398a455acf126c1e341954079855bc60dfdda641363bd6922569"
-dependencies = [
- "either",
-]
-
 [[package]]
 name = "itoa"
 version = "1.0.11"
@@ -644,16 +579,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
 
 [[package]]
-name = "lazy_static"
-version = "1.5.0"
+name = "js-sys"
+version = "0.3.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
-
-[[package]]
-name = "lazycell"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
+checksum = "1868808506b929d7b0cfa8f75951347aa71bb21144b7791bae35d9bccfcfe37a"
+dependencies = [
+ "wasm-bindgen",
+]
 
 [[package]]
 name = "libc"
@@ -671,12 +603,6 @@ dependencies = [
  "windows-targets",
 ]
 
-[[package]]
-name = "linux-raw-sys"
-version = "0.4.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78b3ae25bc7c8c38cec158d1f2757ee79e9b3740fbc7ccf0e59e4b08d793fa89"
-
 [[package]]
 name = "lock_api"
 version = "0.4.12"
@@ -699,12 +625,6 @@ version = "2.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
 
-[[package]]
-name = "minimal-lexical"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
-
 [[package]]
 name = "miniz_oxide"
 version = "0.7.4"
@@ -726,99 +646,6 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
-[[package]]
-name = "net-route"
-version = "0.4.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b9c8e9fc939c670a3e68756d9a3c83f336dacec28cda45448ea65f8243d6cb3"
-dependencies = [
- "async-stream",
- "bindgen",
- "futures",
- "netlink-packet-core",
- "netlink-packet-route",
- "netlink-sys",
- "rtnetlink",
- "tokio",
- "winapi",
-]
-
-[[package]]
-name = "netlink-packet-core"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72724faf704479d67b388da142b186f916188505e7e0b26719019c525882eda4"
-dependencies = [
- "anyhow",
- "byteorder",
- "netlink-packet-utils",
-]
-
-[[package]]
-name = "netlink-packet-route"
-version = "0.19.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74c171cd77b4ee8c7708da746ce392440cb7bcf618d122ec9ecc607b12938bf4"
-dependencies = [
- "anyhow",
- "byteorder",
- "libc",
- "log",
- "netlink-packet-core",
- "netlink-packet-utils",
-]
-
-[[package]]
-name = "netlink-packet-utils"
-version = "0.5.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ede8a08c71ad5a95cdd0e4e52facd37190977039a4704eb82a283f713747d34"
-dependencies = [
- "anyhow",
- "byteorder",
- "paste",
- "thiserror",
-]
-
-[[package]]
-name = "netlink-proto"
-version = "0.11.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "86b33524dc0968bfad349684447bfce6db937a9ac3332a1fe60c0c5a5ce63f21"
-dependencies = [
- "bytes",
- "futures",
- "log",
- "netlink-packet-core",
- "netlink-sys",
- "thiserror",
- "tokio",
-]
-
-[[package]]
-name = "netlink-sys"
-version = "0.8.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "416060d346fbaf1f23f9512963e3e878f1a78e707cb699ba9215761754244307"
-dependencies = [
- "bytes",
- "futures",
- "libc",
- "log",
- "tokio",
-]
-
-[[package]]
-name = "nix"
-version = "0.27.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2eb04e9c688eff1c89d72b407f168cf79bb9e867a9d3323ed6c01519eb9cc053"
-dependencies = [
- "bitflags 2.6.0",
- "cfg-if",
- "libc",
-]
-
 [[package]]
 name = "nix"
 version = "0.29.0"
@@ -832,19 +659,12 @@ dependencies = [
 ]
 
 [[package]]
-name = "no-std-net"
-version = "0.6.0"
+name = "num-traits"
+version = "0.2.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43794a0ace135be66a25d3ae77d41b91615fb68ae937f904090203e81f755b65"
-
-[[package]]
-name = "nom"
-version = "7.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
+checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
 dependencies = [
- "memchr",
- "minimal-lexical",
+ "autocfg",
 ]
 
 [[package]]
@@ -903,12 +723,6 @@ dependencies = [
  "windows-targets",
 ]
 
-[[package]]
-name = "paste"
-version = "1.0.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
-
 [[package]]
 name = "phf"
 version = "0.8.0"
@@ -939,97 +753,6 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
-[[package]]
-name = "pnet"
-version = "0.35.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "682396b533413cc2e009fbb48aadf93619a149d3e57defba19ff50ce0201bd0d"
-dependencies = [
- "ipnetwork",
- "pnet_base",
- "pnet_datalink",
- "pnet_packet",
- "pnet_sys",
- "pnet_transport",
-]
-
-[[package]]
-name = "pnet_base"
-version = "0.35.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ffc190d4067df16af3aba49b3b74c469e611cad6314676eaf1157f31aa0fb2f7"
-dependencies = [
- "no-std-net",
-]
-
-[[package]]
-name = "pnet_datalink"
-version = "0.35.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e79e70ec0be163102a332e1d2d5586d362ad76b01cec86f830241f2b6452a7b7"
-dependencies = [
- "ipnetwork",
- "libc",
- "pnet_base",
- "pnet_sys",
- "winapi",
-]
-
-[[package]]
-name = "pnet_macros"
-version = "0.35.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13325ac86ee1a80a480b0bc8e3d30c25d133616112bb16e86f712dcf8a71c863"
-dependencies = [
- "proc-macro2",
- "quote",
- "regex",
- "syn 2.0.72",
-]
-
-[[package]]
-name = "pnet_macros_support"
-version = "0.35.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eed67a952585d509dd0003049b1fc56b982ac665c8299b124b90ea2bdb3134ab"
-dependencies = [
- "pnet_base",
-]
-
-[[package]]
-name = "pnet_packet"
-version = "0.35.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c96ebadfab635fcc23036ba30a7d33a80c39e8461b8bd7dc7bb186acb96560f"
-dependencies = [
- "glob",
- "pnet_base",
- "pnet_macros",
- "pnet_macros_support",
-]
-
-[[package]]
-name = "pnet_sys"
-version = "0.35.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d4643d3d4db6b08741050c2f3afa9a892c4244c085a72fcda93c9c2c9a00f4b"
-dependencies = [
- "libc",
- "winapi",
-]
-
-[[package]]
-name = "pnet_transport"
-version = "0.35.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f604d98bc2a6591cf719b58d3203fd882bdd6bf1db696c4ac97978e9f4776bf"
-dependencies = [
- "libc",
- "pnet_base",
- "pnet_packet",
- "pnet_sys",
-]
-
 [[package]]
 name = "polyval"
 version = "0.6.2"
@@ -1051,16 +774,6 @@ dependencies = [
  "zerocopy",
 ]
 
-[[package]]
-name = "prettyplease"
-version = "0.2.20"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f12335488a2f3b0a83b14edad48dca9879ce89b2edd10e80237e4e852dd645e"
-dependencies = [
- "proc-macro2",
- "syn 2.0.72",
-]
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.86"
@@ -1147,36 +860,12 @@ version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7a66a03ae7c801facd77a29370b4faec201768915ac14a721ba36f20bc9c209b"
 
-[[package]]
-name = "rtnetlink"
-version = "0.14.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b684475344d8df1859ddb2d395dd3dac4f8f3422a1aa0725993cb375fc5caba5"
-dependencies = [
- "futures",
- "log",
- "netlink-packet-core",
- "netlink-packet-route",
- "netlink-packet-utils",
- "netlink-proto",
- "netlink-sys",
- "nix 0.27.1",
- "thiserror",
- "tokio",
-]
-
 [[package]]
 name = "rustc-demangle"
 version = "0.1.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f"
 
-[[package]]
-name = "rustc-hash"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
-
 [[package]]
 name = "rustc_version"
 version = "0.4.0"
@@ -1186,29 +875,15 @@ dependencies = [
  "semver",
 ]
 
-[[package]]
-name = "rustix"
-version = "0.38.34"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70dc5ec042f7a43c4a73241207cecc9873a06d45debb38b329f8541d85c2730f"
-dependencies = [
- "bitflags 2.6.0",
- "errno",
- "libc",
- "linux-raw-sys",
- "windows-sys 0.52.0",
-]
-
 [[package]]
 name = "rustvpn"
 version = "0.1.2"
 dependencies = [
  "aes-gcm",
- "anyhow",
  "base64",
- "bincode",
  "block-modes",
  "block-padding",
+ "chrono",
  "clap",
  "crossbeam-channel",
  "env_logger",
@@ -1216,9 +891,7 @@ dependencies = [
  "generic-array",
  "hex",
  "log",
- "net-route",
  "packet",
- "pnet",
  "rand",
  "serde",
  "serde_derive",
@@ -1280,12 +953,6 @@ dependencies = [
  "unsafe-libyaml",
 ]
 
-[[package]]
-name = "shlex"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
-
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.2"
@@ -1449,7 +1116,7 @@ dependencies = [
  "libc",
  "libloading",
  "log",
- "nix 0.29.0",
+ "nix",
  "thiserror",
  "windows-sys 0.52.0",
  "wintun",
@@ -1508,17 +1175,60 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
-name = "which"
-version = "4.4.2"
+name = "wasm-bindgen"
+version = "0.2.93"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87ba24419a2078cd2b0f2ede2691b6c66d8e47836da3b6db8265ebad47afbfc7"
+checksum = "a82edfc16a6c469f5f44dc7b571814045d60404b55a0ee849f9bcfa2e63dd9b5"
 dependencies = [
- "either",
- "home",
+ "cfg-if",
  "once_cell",
- "rustix",
+ "wasm-bindgen-macro",
 ]
 
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.93"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9de396da306523044d3302746f1208fa71d7532227f15e347e2d93e4145dd77b"
+dependencies = [
+ "bumpalo",
+ "log",
+ "once_cell",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.72",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.93"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "585c4c91a46b072c92e908d99cb1dcdf95c5218eeb6f3bf1efa991ee7a68cccf"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.93"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "afc340c74d9005395cf9dd098506f7f44e38f2b4a21c6aaacf9a105ea5e1e836"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.72",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.93"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c62a0a307cb4a311d3a07867860911ca130c3494e8c2719593806c08bc5d0484"
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -1550,6 +1260,15 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows-core"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "33ab640c8d7e35bf8ba19b884ba838ceb4fba93a4e8c65a9059d08afcfc683d9"
+dependencies = [
+ "windows-targets",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.52.0"
diff --git a/Cargo.toml b/Cargo.toml
index abcf1ca..ba7ee2c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,9 +11,7 @@ aes-gcm = "0.10.3"
 tokio = { version = "1", features = ["full", "signal"] }
 serde = "1.0"
 serde_derive = "1.0.190"
-bincode = "1.3"
 rand = { version = "0.8.5", features = ["small_rng", "getrandom", "std_rng"] }
-anyhow = "1.0"
 block-modes = "0.8"
 block-padding = "0.2"
 generic-array = "0.14"
@@ -24,9 +22,8 @@ futures = "0.3.30"
 tun2 = "2.0.5"
 packet = "0.1.4"
 crossbeam-channel = "0.5.13"
-pnet = "0.35.0"
-net-route = "0.4.4"
 hex = "0.4"
 serde_yaml = "0.9.34"
 x25519-dalek = { version = "2.0.1", features = ["getrandom", "static_secrets"] }
 base64 = "0.22.1"
+chrono = "0.4.38"
\ No newline at end of file
diff --git a/src/client.rs b/src/client.rs
index f5af13b..a762094 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -139,6 +139,7 @@ pub async fn client_mode(client_config: ClientConfiguration) {
                                     warn!("There is no static_secret");
                                 }
                             }, // payload
+                            2 => info!("Got keepalive packet"),
                             _ => error!("Unexpected header value.")
                         }
                     },
diff --git a/src/config.rs b/src/config.rs
index 42b8f06..329eee6 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -24,9 +24,10 @@ pub struct ServerPeer {
 
 #[derive(Serialize, Deserialize, PartialEq, Debug)]
 pub enum ObfsProtocol {
-    DNSMask,
-    ICMPMask,
-    XOR
+    FakeDNS,
+    VEIL,
+    XOR,
+    NONE
 }
 
 #[derive(Serialize, Deserialize, PartialEq, Debug)]
diff --git a/src/main.rs b/src/main.rs
index d1a90be..02aa080 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -11,7 +11,7 @@ use log::{error, LevelFilter};
 
 use crate::config::{ ServerConfiguration, ClientConfiguration, ObfsProtocol, ServerPeer };
 
-
+mod obfs;
 mod server;
 mod client;
 mod udp;
@@ -24,9 +24,10 @@ fn generate_server_config(matches: &ArgMatches, config_path: &str) {
     let broadcast_mode = matches.value_of("broadcast-mode").is_some();
     let keepalive: u8 = matches.value_of("keepalive").unwrap().parse().expect("Keepalive argument should be a number");
     let obfs_type = match matches.value_of("obfs-type").expect("Obfs type should be specified") {
-        "dns" => ObfsProtocol::DNSMask,
-        "icmp" => ObfsProtocol::ICMPMask,
-        _ => ObfsProtocol::XOR
+        "dns" => ObfsProtocol::FakeDNS,
+        "veil" => ObfsProtocol::VEIL,
+        "xor" => ObfsProtocol::XOR,
+        _ => ObfsProtocol::NONE
     };
 
     let _ = fs::write(config_path, serde_yaml::to_string(&ServerConfiguration::default(bind_address, internal_address, broadcast_mode, keepalive, obfs_type)).unwrap());
diff --git a/src/obfs.rs b/src/obfs.rs
index e69de29..99d3492 100644
--- a/src/obfs.rs
+++ b/src/obfs.rs
@@ -0,0 +1,55 @@
+use chrono::{Timelike, Utc};
+use rand::{rngs::OsRng, RngCore};
+
+pub struct VEIL {
+}
+
+pub struct XOR {
+
+}
+
+pub struct DNS {
+    rng: OsRng
+}
+
+impl Obfuscator for DNS {
+    fn obfuscate(&mut self, plain: Vec<u8>) -> Vec<u8> {
+        let mut result = Vec::<u8>::new();
+        let mut tr_id = [0u8; 2];
+        self.rng.fill_bytes(&mut tr_id);
+        result.extend(tr_id);
+        let flags = [01u8, 00];
+        result.extend(flags);
+        let mut questions = [0u8; 2];
+        self.rng.fill_bytes(&mut questions);
+        result.extend(questions);
+        let rr = [0u8,0,0,0,0,0];
+        result.extend(rr);
+        result.extend(&plain[..]);
+        let end = [0u8, 1, 0, 1];
+        result.extend(end);
+        result
+    }
+
+    fn deobfuscate(&mut self, obfs: Vec<u8>) -> Vec<u8> {
+        let s = &mut obfs[11..].to_vec();
+        s.truncate(s.len()-4);
+        s.to_vec()
+    }
+}
+
+impl Obfuscator for XOR {
+    fn obfuscate(&mut self, plain: Vec<u8>) -> Vec<u8> {
+        let t: u8 = Utc::now().minute() as u8;
+        plain.iter().map(|i| i ^ t).collect::<Vec<u8>>()
+    }
+
+    fn deobfuscate(&mut self, obfs: Vec<u8>) -> Vec<u8> {
+        self.obfuscate(obfs)
+    }
+}
+
+pub trait Obfuscator {
+    fn obfuscate(&mut self, plain: Vec<u8>) -> Vec<u8>;
+    fn deobfuscate(&mut self, obfs: Vec<u8>) -> Vec<u8>;
+}
\ No newline at end of file
diff --git a/src/server.rs b/src/server.rs
index ce04ab5..bd8b2f7 100644
--- a/src/server.rs
+++ b/src/server.rs
@@ -1,7 +1,9 @@
 use crossbeam_channel::unbounded;
 use tokio::{net::UdpSocket, sync::Mutex};
 use x25519_dalek::{PublicKey, StaticSecret};
+use core::time;
 use std::io::{Read, Write};
+use std::thread;
 use base64::prelude::*;
 use log::{error, info};
 use std::sync::Arc;
@@ -11,7 +13,7 @@ use aes_gcm::{ aead::{Aead, AeadCore, KeyInit, OsRng},
 Aes256Gcm, Nonce };
 
 use crate::config::{ ServerConfiguration, ServerPeer};
-use crate::udp::{UDPSerializable, UDPVpnHandshake, UDPVpnPacket};
+use crate::udp::{UDPKeepAlive, UDPSerializable, UDPVpnHandshake, UDPVpnPacket};
 
 pub async fn server_mode(server_config: ServerConfiguration) {
     info!("Starting server...");
@@ -34,7 +36,7 @@ pub async fn server_mode(server_config: ServerConfiguration) {
 
     let (send2tun, recv2tun) = unbounded::<Vec<u8>>();
 
-    let (send2hnd, recv2hnd) = unbounded::<(UDPVpnHandshake, SocketAddr)>();
+    let (send2hnd, recv2hnd) = unbounded::<(Vec<u8>, SocketAddr)>();
 
     tokio::spawn(async move {
         loop {
@@ -44,10 +46,26 @@ pub async fn server_mode(server_config: ServerConfiguration) {
         }
     });
 
+    let keepalive_sec = server_config.interface.keepalive;
+    let send2hnd_cl = send2hnd.clone();
+    let addrs_lcl = addresses.clone();
+    if keepalive_sec > 0 {
+        tokio::spawn(async move {
+            loop {
+                thread::sleep(time::Duration::from_secs(keepalive_sec.into()));
+                let mp = addrs_lcl.lock().await;
+                mp.values().for_each(|p| {
+                    let _ = send2hnd_cl.send((UDPKeepAlive{}.serialize(), p.addr));
+                });
+                drop(mp);
+            }
+        });
+    }
+
     tokio::spawn(async move {
         loop {
             if let Ok((handshake, addr)) = recv2hnd.recv() {
-                let _ = sock_hnd.send_to(&handshake.serialize(), addr).await;
+                let _ = sock_hnd.send_to(&handshake, addr).await;
             }
         }
     });
@@ -119,7 +137,7 @@ pub async fn server_mode(server_config: ServerConfiguration) {
                                 
                                 let handshake_response = UDPVpnHandshake{ public_key: BASE64_STANDARD.decode(&server_config.interface.public_key).unwrap(), request_ip: handshake.request_ip };
 
-                                let _ = send2hnd.send((handshake_response, addr));
+                                let _ = send2hnd.send((handshake_response.serialize(), addr));
                             } else {
                                 info!("Bad handshake");
                                 plp.iter().for_each(|c| info!("ip: {:?}; pkey: {:?}", c.ip, c.public_key));
diff --git a/src/udp.rs b/src/udp.rs
index 663817d..0248784 100644
--- a/src/udp.rs
+++ b/src/udp.rs
@@ -1,11 +1,23 @@
 
 use std::net::Ipv4Addr;
+use chrono::{Timelike, Utc};
 
 pub struct UDPVpnPacket {
     pub nonce: Vec<u8>, // [u8; 12]
     pub data: Vec<u8>
 }
 
+pub struct UDPKeepAlive {
+
+}
+
+impl UDPSerializable for UDPKeepAlive {
+    fn serialize(&self) -> Vec<u8> {
+        let h: &[u8] = &[2];
+        [h, &[Utc::now().second() as u8]].concat()
+    }
+}
+
 impl UDPSerializable for UDPVpnPacket {
     fn serialize(&self) -> Vec<u8> {
         let h: &[u8] = &[1];