From 4be31a42ea91bbacadf93c5f2d0edd6d18d3a95e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jon=20H=C3=A4ggblad?= <jon.haggblad@gmail.com>
Date: Fri, 12 May 2023 15:38:59 +0200
Subject: [PATCH] android jni function

---
 socks5-c/Cargo.lock | 125 ++++++++++++++++++++++++++++++++------------
 socks5-c/Cargo.toml |   4 +-
 socks5-c/src/lib.rs |  43 +++++++++++++++
 3 files changed, 137 insertions(+), 35 deletions(-)

diff --git a/socks5-c/Cargo.lock b/socks5-c/Cargo.lock
index 74dcebb7d4..ec2b3cea9b 100644
--- a/socks5-c/Cargo.lock
+++ b/socks5-c/Cargo.lock
@@ -129,6 +129,12 @@ version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8da52d66c7071e2e3fa2a1e5c6d088fec47b593032b254f5e980de8ea54454d6"
 
+[[package]]
+name = "ascii"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ae7d751998c189c1d4468cf0a39bb2eae052a9c58d50ebb3b9591ee3813ad50"
+
 [[package]]
 name = "async-trait"
 version = "0.1.68"
@@ -376,6 +382,12 @@ dependencies = [
  "jobserver",
 ]
 
+[[package]]
+name = "cesu8"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d43a04d8753f35258c91f8ec639f792891f748a1edbd759cf1dcea3382ad83c"
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -514,6 +526,16 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "combine"
+version = "2.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1645a65a99c7c8d345761f4b75a6ffe5be3b3b27a93ee731fccc5050ba6be97c"
+dependencies = [
+ "ascii",
+ "byteorder",
+]
+
 [[package]]
 name = "const-oid"
 version = "0.7.1"
@@ -1050,7 +1072,7 @@ checksum = "44533bbbb3bb3c1fa17d9f2e4e38bbbaf8396ba82193c4cb1b6445d711445d36"
 dependencies = [
  "atty",
  "humantime 1.3.0",
- "log",
+ "log 0.4.17",
  "regex",
  "termcolor",
 ]
@@ -1076,6 +1098,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "error-chain"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9435d864e017c3c6afeac1654189b06cdb491cf2ff73dbf0d73b0f292f42ff8"
+
 [[package]]
 name = "event-listener"
 version = "2.5.3"
@@ -1361,7 +1389,7 @@ dependencies = [
  "bitflags",
  "libc",
  "libgit2-sys",
- "log",
+ "log 0.4.17",
  "url",
 ]
 
@@ -1426,7 +1454,7 @@ version = "3.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4498fc115fa7d34de968184e473529abb40eeb6be8bc5f7faba3d08c316cb3e3"
 dependencies = [
- "log",
+ "log 0.4.17",
  "pest",
  "pest_derive",
  "quick-error 2.0.1",
@@ -1689,7 +1717,7 @@ dependencies = [
  "ct-logs",
  "futures-util",
  "hyper",
- "log",
+ "log 0.4.17",
  "rustls 0.19.1",
  "rustls-native-certs",
  "tokio",
@@ -1812,6 +1840,25 @@ version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "453ad9f582a441959e5f0d088b02ce04cfe8d51a8eaf077f12ac6d3e94164ca6"
 
+[[package]]
+name = "jni"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cffc930ce6a38a4013e30567b559bdc79f601013ba4a81e65dbda9207263efd4"
+dependencies = [
+ "cesu8",
+ "combine",
+ "error-chain",
+ "jni-sys",
+ "log 0.3.9",
+]
+
+[[package]]
+name = "jni-sys"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de0aaaba8809ab8d83a53fe2b313b996b79e8632b855eae9f70ad4323dca91b8"
+
 [[package]]
 name = "jobserver"
 version = "0.1.26"
@@ -1940,6 +1987,15 @@ dependencies = [
  "scopeguard",
 ]
 
+[[package]]
+name = "log"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e19e8d5c34a3e0e2223db8e060f9e8264aeeb5c5fc64a4ee9965c062211c024b"
+dependencies = [
+ "log 0.4.17",
+]
+
 [[package]]
 name = "log"
 version = "0.4.17"
@@ -1992,7 +2048,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b9d9a46eff5b4ff64b45a9e316a6d1e0bc719ef429cbec4dc630684212bfdf9"
 dependencies = [
  "libc",
- "log",
+ "log 0.4.17",
  "wasi 0.11.0+wasi-snapshot-preview1",
  "windows-sys 0.45.0",
 ]
@@ -2005,7 +2061,7 @@ checksum = "07226173c32f2926027b63cce4bcd8076c3552846cbe7925f3aaffeac0a3b92e"
 dependencies = [
  "lazy_static",
  "libc",
- "log",
+ "log 0.4.17",
  "openssl",
  "openssl-probe",
  "openssl-sys",
@@ -2094,7 +2150,7 @@ dependencies = [
  "clap",
  "clap_complete",
  "clap_complete_fig",
- "log",
+ "log 0.4.17",
  "pretty_env_logger",
  "semver 0.11.0",
  "serde",
@@ -2111,7 +2167,7 @@ dependencies = [
  "futures",
  "gloo-timers",
  "humantime-serde",
- "log",
+ "log 0.4.17",
  "nym-bandwidth-controller",
  "nym-config",
  "nym-credential-storage",
@@ -2201,7 +2257,7 @@ version = "0.1.0"
 dependencies = [
  "cfg-if",
  "handlebars",
- "log",
+ "log 0.4.17",
  "nym-network-defaults",
  "serde",
  "toml",
@@ -2224,7 +2280,7 @@ name = "nym-credential-storage"
 version = "0.1.0"
 dependencies = [
  "async-trait",
- "log",
+ "log 0.4.17",
  "sqlx 0.5.13",
  "thiserror",
  "tokio",
@@ -2292,7 +2348,7 @@ version = "0.1.0"
 dependencies = [
  "futures",
  "getrandom 0.2.9",
- "log",
+ "log 0.4.17",
  "nym-bandwidth-controller",
  "nym-coconut-interface",
  "nym-credential-storage",
@@ -2323,7 +2379,7 @@ version = "0.1.0"
 dependencies = [
  "bs58",
  "futures",
- "log",
+ "log 0.4.17",
  "nym-coconut-interface",
  "nym-credentials",
  "nym-crypto",
@@ -2352,7 +2408,7 @@ dependencies = [
  "bs58",
  "cosmwasm-std",
  "humantime-serde",
- "log",
+ "log 0.4.17",
  "nym-contracts-common",
  "schemars",
  "serde",
@@ -2413,7 +2469,7 @@ dependencies = [
 name = "nym-ordered-buffer"
 version = "0.1.0"
 dependencies = [
- "log",
+ "log 0.4.17",
  "thiserror",
 ]
 
@@ -2453,7 +2509,7 @@ name = "nym-service-providers-common"
 version = "0.1.0"
 dependencies = [
  "async-trait",
- "log",
+ "log 0.4.17",
  "nym-bin-common",
  "nym-sphinx-anonymous-replies",
  "serde",
@@ -2467,7 +2523,7 @@ version = "0.1.0"
 dependencies = [
  "dirs",
  "futures",
- "log",
+ "log 0.4.17",
  "nym-bandwidth-controller",
  "nym-client-core",
  "nym-config",
@@ -2493,7 +2549,7 @@ version = "0.1.0"
 dependencies = [
  "bytes",
  "futures",
- "log",
+ "log 0.4.17",
  "nym-ordered-buffer",
  "nym-socks5-requests",
  "nym-task",
@@ -2516,7 +2572,7 @@ dependencies = [
 name = "nym-sphinx"
 version = "0.1.0"
 dependencies = [
- "log",
+ "log 0.4.17",
  "nym-crypto",
  "nym-outfox",
  "nym-sphinx-acknowledgements",
@@ -2580,7 +2636,7 @@ dependencies = [
 name = "nym-sphinx-chunking"
 version = "0.1.0"
 dependencies = [
- "log",
+ "log 0.4.17",
  "nym-sphinx-addressing",
  "nym-sphinx-params",
  "nym-sphinx-types",
@@ -2656,7 +2712,7 @@ name = "nym-task"
 version = "0.1.0"
 dependencies = [
  "futures",
- "log",
+ "log 0.4.17",
  "thiserror",
  "tokio",
  "wasm-bindgen",
@@ -2669,7 +2725,7 @@ version = "0.1.0"
 dependencies = [
  "async-trait",
  "bs58",
- "log",
+ "log 0.4.17",
  "nym-bin-common",
  "nym-crypto",
  "nym-mixnet-contract-common",
@@ -2696,7 +2752,7 @@ dependencies = [
  "flate2",
  "futures",
  "itertools",
- "log",
+ "log 0.4.17",
  "nym-api-requests",
  "nym-coconut-bandwidth-contract-common",
  "nym-coconut-dkg-common",
@@ -3036,7 +3092,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "926d36b9553851b8b0005f1275891b392ee4d2d833852c417ed025477350fb9d"
 dependencies = [
  "env_logger",
- "log",
+ "log 0.4.17",
 ]
 
 [[package]]
@@ -3299,7 +3355,7 @@ dependencies = [
  "hyper-tls",
  "ipnet",
  "js-sys",
- "log",
+ "log 0.4.17",
  "mime",
  "native-tls",
  "once_cell",
@@ -3385,7 +3441,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "35edb675feee39aec9c99fa5ff985081995a06d594114ae14cbe797ad7b7a6d7"
 dependencies = [
  "base64 0.13.1",
- "log",
+ "log 0.4.17",
  "ring",
  "sct 0.6.1",
  "webpki 0.21.4",
@@ -3397,7 +3453,7 @@ version = "0.20.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fff78fc74d175294f4e83b28343315ffcfb114b156f0185e9741cb5570f50e2f"
 dependencies = [
- "log",
+ "log 0.4.17",
  "ring",
  "sct 0.7.0",
  "webpki 0.22.0",
@@ -3757,6 +3813,7 @@ name = "socks5-c"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "jni",
  "nym-client-core",
  "nym-config",
  "nym-credential-storage",
@@ -3783,7 +3840,7 @@ dependencies = [
  "hkdf 0.11.0",
  "hmac 0.11.0",
  "lioness",
- "log",
+ "log 0.4.17",
  "rand 0.7.3",
  "rand_distr",
  "sha2 0.9.9",
@@ -3806,7 +3863,7 @@ dependencies = [
  "hkdf 0.11.0",
  "hmac 0.11.0",
  "lioness",
- "log",
+ "log 0.4.17",
  "rand 0.7.3",
  "rand_distr",
  "sha2 0.9.9",
@@ -3907,7 +3964,7 @@ dependencies = [
  "itoa",
  "libc",
  "libsqlite3-sys",
- "log",
+ "log 0.4.17",
  "memchr",
  "once_cell",
  "paste",
@@ -3953,7 +4010,7 @@ dependencies = [
  "itoa",
  "libc",
  "libsqlite3-sys",
- "log",
+ "log 0.4.17",
  "memchr",
  "once_cell",
  "paste",
@@ -4363,7 +4420,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e96bb520beab540ab664bd5a9cfeaa1fcd846fa68c830b42e2c8963071251d2"
 dependencies = [
  "futures-util",
- "log",
+ "log 0.4.17",
  "pin-project",
  "tokio",
  "tungstenite",
@@ -4437,7 +4494,7 @@ dependencies = [
  "http",
  "httparse",
  "input_buffer",
- "log",
+ "log 0.4.17",
  "rand 0.8.5",
  "sha-1",
  "thiserror",
@@ -4593,7 +4650,7 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
 dependencies = [
- "log",
+ "log 0.4.17",
  "try-lock",
 ]
 
@@ -4626,7 +4683,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4c8ffb332579b0557b52d268b91feab8df3615f265d5270fec2a8c95b17c1142"
 dependencies = [
  "bumpalo",
- "log",
+ "log 0.4.17",
  "once_cell",
  "proc-macro2",
  "quote",
diff --git a/socks5-c/Cargo.toml b/socks5-c/Cargo.toml
index 8d1718cd71..ade9f1ed1a 100644
--- a/socks5-c/Cargo.toml
+++ b/socks5-c/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 
 [lib]
 name = "socks5_c"
-crate-type = ["staticlib"]
+crate-type = ["dylib", "staticlib"]
 
 [dependencies]
 anyhow = "1.0"
@@ -19,3 +19,5 @@ nym-socks5-client-core = { path = "../common/socks5-client-core", default-featur
 openssl = { version = "0.10", features = ["vendored"] }
 tokio = { version = "1.24.1", features = ["sync", "time"] }
 
+[target.'cfg(target_os="android")'.dependencies]
+jni = { version = "0.5", default-features = false }
diff --git a/socks5-c/src/lib.rs b/socks5-c/src/lib.rs
index 13b15d8b13..48ed006dea 100644
--- a/socks5-c/src/lib.rs
+++ b/socks5-c/src/lib.rs
@@ -9,6 +9,49 @@ use std::os::raw::c_char;
 
 static SOCKS5_CONFIG_ID: &str = "mobile-socks5-test";
 
+#[cfg(target_os = "android")]
+#[allow(non_snake_case)]
+pub mod android {
+    extern crate jni;
+
+    use std::ffi::CString;
+
+    use self::jni::objects::{JClass, JString};
+    use self::jni::sys::jstring;
+    use self::jni::JNIEnv;
+    use super::*;
+
+    #[no_mangle]
+    pub unsafe extern fn Java_net_nymtech_nyms5_MyClass_runclient(
+        env: JNIEnv,
+        _: JClass,
+        java_pattern: JString,
+    ) {
+        setup_env(None);
+
+        // TODO: does that leak memory and do we have to have a separate free method?
+        // I'd assume not because the allocation came from the caller
+        //let c_str = unsafe { CStr::from_ptr(service_provider) };
+        let c_str = CString::new("https://testnet-gateway.nymtech.net").unwrap();
+        let service_provider = c_str
+            .to_str()
+            .expect("invalid service provider string value provided")
+            .to_string();
+
+        let rt = tokio::runtime::Runtime::new().unwrap();
+
+        rt.block_on(async move {
+            let (config, keys) = init_dummy_socks5_config(service_provider).await.unwrap();
+            let socks5_client = Socks5NymClient::new_with_keys(config, Some(keys));
+            let mut shutdown_handle = socks5_client.start().await?;
+            shutdown_handle.wait_for_shutdown().await;
+
+            Ok::<(), anyhow::Error>(())
+        })
+        .unwrap();
+    }
+}
+
 /// # Safety
 ///
 /// TODO