Merge branch 'master' into release

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "althea_rs"
-version = "0.1.6"
+version = "0.1.7"
 authors = ["Stan Drozd <drozdziak1@gmail.com>"]
 
 [features]

althea_kernel_interface/src/counter.rs

@@ -68,9 +68,9 @@ fn test_filter_table_table() {
 
 fn parse_ipset(input: &str) -> Result<HashMap<(IpAddr, String), u64>, Error> {
     lazy_static! {
-        static ref RE: Regex = Regex::new(
-            r"(?m)^add \S+ ([a-f0-9:]+),(wg\d+) packets (\d+) bytes (\d+)"
-        ).expect("Unable to compile regular expression");
+        static ref RE: Regex =
+            Regex::new(r"(?m)^add \S+ ([a-f0-9:]+),(wg\d+) packets (\d+) bytes (\d+)")
+                .expect("Unable to compile regular expression");
     }
     let mut map = HashMap::new();
 
@@ -301,8 +301,7 @@ fn test_read_counters() {
                 Ok(Output {
                     stdout: b"
 add xxx fd00::dead:beef,wg42 packets 111 bytes 222
-"
-                        .to_vec(),
+".to_vec(),
                     stderr: b"".to_vec(),
                     status: ExitStatus::from_raw(0),
                 })
@@ -328,7 +327,6 @@ add xxx fd00::dead:beef,wg42 packets 111 bytes 222
         .get(&(
             IpAddr::V6(Ipv6Addr::new(0xfd00, 0, 0, 0, 0, 0, 0xdead, 0xbeef)),
             "wg42".into(),
-        ))
-        .expect("Unable to find key");
+        )).expect("Unable to find key");
     assert_eq!(value, &(222u64 + 111u64 * 40));
 }

althea_kernel_interface/src/exit_client_tunnel.rs

@@ -2,7 +2,7 @@ use super::{KernelInterface, KernelInterfaceError};
 
 use failure::Error;
 
-use std::net::{IpAddr, SocketAddr};
+use std::net::{IpAddr, Ipv4Addr, SocketAddr};
 
 impl KernelInterface {
     pub fn set_client_exit_tunnel_config(
@@ -58,7 +58,7 @@ impl KernelInterface {
             ],
         )?;
 
-        let prev_ip = self.get_global_device_ip("wg_exit");
+        let prev_ip: Result<Ipv4Addr, Error> = self.get_global_device_ip_v4("wg_exit");
 
         match prev_ip {
             Ok(prev_ip) => {

althea_kernel_interface/src/exit_server_counter.rs

@@ -64,9 +64,9 @@ fn test_exit_filter_target_output() {
 
 fn parse_exit_ipset(input: &str) -> Result<HashMap<IpAddr, u64>, Error> {
     lazy_static! {
-        static ref RE: Regex = Regex::new(
-            r"(?m)^add \S+ (fd00::[a-f0-9:]+) packets (\d+) bytes (\d+)"
-        ).expect("Unable to compile regular expression");
+        static ref RE: Regex =
+            Regex::new(r"(?m)^add \S+ (fd00::[a-f0-9:]+) packets (\d+) bytes (\d+)")
+                .expect("Unable to compile regular expression");
     }
     let mut map = HashMap::new();
 
@@ -301,8 +301,7 @@ fn test_read_exit_server_counters() {
                 Ok(Output {
                     stdout: b"
 add asdf fd00::dead:beef packets 100 bytes 200
-"
-                        .to_vec(),
+".to_vec(),
                     stderr: b"".to_vec(),
                     status: ExitStatus::from_raw(0),
                 })
@@ -327,7 +326,6 @@ add asdf fd00::dead:beef packets 100 bytes 200
     let value = result
         .get(&IpAddr::V6(Ipv6Addr::new(
             0xfd00, 0, 0, 0, 0, 0, 0xdead, 0xbeef,
-        )))
-        .expect("Unable to find key");
+        ))).expect("Unable to find key");
     assert_eq!(value, &(200u64 + 100u64 * 80));
 }

althea_kernel_interface/src/interface_tools.rs

@@ -123,8 +123,7 @@ fn test_get_wg_remote_ip() {
         assert_eq!(args, &["show", "wg0", "endpoints"]);
         Ok(Output {
             stdout: b"fvLYbeMV+RYbzJEc4lNEPuK8ulva/5wcSJBz0W5t3hM=	71.8.186.226:60000\
-"
-                .to_vec(),
+".to_vec(),
             stderr: b"".to_vec(),
             status: ExitStatus::from_raw(0),
         })

althea_kernel_interface/src/link_local_tools.rs

@@ -1,6 +1,6 @@
 use super::{KernelInterface, KernelInterfaceError};
 
-use std::net::{IpAddr, Ipv6Addr};
+use std::net::{IpAddr, Ipv4Addr, Ipv6Addr};
 
 use regex::Regex;
 
@@ -12,9 +12,13 @@ impl KernelInterface {
         let output = self.run_command("ip", &["addr", "show", "dev", dev, "scope", "link"])?;
         trace!("Got {:?} from `ip addr`", output);
 
-        let re = Regex::new(r"inet6 (\S*?)(/[0-9]+)? scope link").unwrap();
-        let str = String::from_utf8(output.stdout)?;
-        let cap = re.captures(&str);
+        lazy_static! {
+            static ref RE: Regex = Regex::new(r"inet6 (\S*?)(/[0-9]+)? scope link")
+                .expect("Unable to compile regular expression");
+        }
+
+        let cap_str = String::from_utf8(output.stdout)?;
+        let cap = RE.captures(&cap_str);
         if let Some(cap) = cap {
             trace!("got link local IP of {} from device {}", &cap[1], &dev);
             Ok(cap[1].parse::<Ipv6Addr>()?)
@@ -30,9 +34,13 @@ impl KernelInterface {
         let output = self.run_command("ip", &["addr", "show", "dev", dev, "scope", "global"])?;
         trace!("Got {:?} from `ip addr`", output);
 
-        let re = Regex::new(r"inet (\S*?)(/[0-9]+)? scope global").unwrap();
-        let str = String::from_utf8(output.stdout)?;
-        let cap = re.captures(&str);
+        lazy_static! {
+            static ref RE: Regex = Regex::new(r"inet (\S*?)(/[0-9]+)? scope global")
+                .expect("Unable to compile regular expression");
+        }
+
+        let cap_str = String::from_utf8(output.stdout)?;
+        let cap = RE.captures(&cap_str);
         if let Some(cap) = cap {
             trace!("got global IP of {} from device {}", &cap[1], &dev);
             Ok(cap[1].parse::<Ipv6Addr>()?)
@@ -43,6 +51,27 @@ impl KernelInterface {
         }
     }
 
+    pub fn get_global_device_ip_v4(&self, dev: &str) -> Result<Ipv4Addr, Error> {
+        let output = self.run_command("ip", &["addr", "show", "dev", dev, "scope", "global"])?;
+        trace!("Got {:?} from `ip addr`", output);
+
+        lazy_static! {
+            static ref RE: Regex = Regex::new(r"inet (\S*?)(/[0-9]+)? scope global")
+                .expect("Unable to compile regular expression");
+        }
+
+        let cap_str = String::from_utf8(output.stdout)?;
+        let cap = RE.captures(&cap_str);
+        if let Some(cap) = cap {
+            trace!("got global IP of {} from device {}", &cap[1], &dev);
+            Ok(cap[1].parse::<Ipv4Addr>()?)
+        } else {
+            Err(KernelInterfaceError::RuntimeError(
+                "No global found or no interface found".to_string(),
+            ).into())
+        }
+    }
+
     /// Given a neighboring link local ip, return the device name
     pub fn get_device_name(&self, their_ip: IpAddr) -> Result<String, Error> {
         let neigh = self.get_neighbors()?;
@@ -91,8 +120,12 @@ impl KernelInterface {
     pub fn get_iface_index(&self, name: &str) -> Result<u32, Error> {
         let links = String::from_utf8(self.run_command("ip", &["link"])?.stdout)?;
 
-        let re = Regex::new(r"([0-9]+): (.*?)(:|@)").unwrap();
-        for caps in re.captures_iter(&links) {
+        lazy_static! {
+            static ref RE: Regex =
+                Regex::new(r"([0-9]+): (.*?)(:|@)").expect("Unable to compile regular expression");
+        }
+
+        for caps in RE.captures_iter(&links) {
             if name == &caps[2] {
                 return Ok(caps[1].parse()?);
             }

althea_kernel_interface/src/setup_wg_if.rs

@@ -1,5 +1,7 @@
 use super::{KernelInterface, KernelInterfaceError};
+use failure::err_msg;
 use std::str::from_utf8;
+use std::time::{Duration, SystemTime, UNIX_EPOCH};
 
 use failure::Error;
 
@@ -49,6 +51,27 @@ impl KernelInterface {
         }
         Ok(())
     }
+
+    /// Returns the number of clients that are active on the wg_exit tunnel
+    pub fn get_wg_exit_clients_online(&self) -> Result<u32, Error> {
+        let output = self.run_command("wg", &["show", "wg_exit", "latest-handshakes"])?;
+        let mut num: u32 = 0;
+        let out = String::from_utf8(output.stdout)?;
+        for line in out.lines() {
+            let content: Vec<&str> = line.split("\t").collect();
+            let mut itr = content.iter();
+            itr.next();
+            let timestamp = itr
+                .next()
+                .ok_or(err_msg("Option did not contain a value."))?;
+            let d = UNIX_EPOCH + Duration::from_secs(timestamp.parse()?);
+
+            if SystemTime::now().duration_since(d)? < Duration::new(600, 0) {
+                num += 1;
+            }
+        }
+        Ok(num)
+    }
 }
 
 #[test]
@@ -90,3 +113,34 @@ fn test_setup_wg_if_linux() {
 
     KI.setup_wg_if().unwrap();
 }
+
+#[test]
+fn test_get_wg_exit_clients_online() {
+    use KI;
+
+    use std::os::unix::process::ExitStatusExt;
+    use std::process::ExitStatus;
+    use std::process::Output;
+
+    let mut counter = 0;
+
+    let link_args = &["show", "wg_exit", "latest-handshakes"];
+    KI.set_mock(Box::new(move |program, args| {
+        assert_eq!(program, "wg");
+        counter += 1;
+
+        match counter {
+            1 => {
+                assert_eq!(args, link_args);
+                Ok(Output{
+                        stdout: format!("88gbNAZx7NoNK9hatYuDkeZOjQ8EBmJ8VBpcFhXPqHs=	{}\nW1BwNSC9ulTutCg53KIlo+z2ihkXao3sXHaBBpaCXEw=	1536936247\n9jRr6euMHu3tBIsZyqxUmjbuKVVFZCBOYApOR2pLNkQ=	0", SystemTime::now().duration_since(SystemTime::UNIX_EPOCH).unwrap().as_secs()).as_bytes().to_vec(),
+                        stderr: b"".to_vec(),
+                        status: ExitStatus::from_raw(0),
+                    })
+            }
+            _ => panic!("command called too many times"),
+        }
+    }));
+
+    assert_eq!(KI.get_wg_exit_clients_online().unwrap(), 1);
+}

althea_types/src/lib.rs

@@ -15,7 +15,7 @@ extern crate actix;
 pub mod interop;
 pub mod rtt;
 
-pub use ethereum_types::{Address, H160, Public, Secret, Signature, U256};
+pub use ethereum_types::{Address, Public, Secret, Signature, H160, U256};
 
 pub use interop::*;
 pub use rtt::RTTimestamps;

bounty_hunter/src/main.rs

@@ -1,4 +1,7 @@
-#![cfg_attr(feature = "system_alloc", feature(alloc_system, global_allocator, allocator_api))]
+#![cfg_attr(
+    feature = "system_alloc",
+    feature(alloc_system, global_allocator, allocator_api)
+)]
 
 #[cfg(feature = "system_alloc")]
 extern crate alloc_system;

rita/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rita"
-version = "0.1.6"
+version = "0.1.7"
 authors = ["Jehan <jehan.tremback@gmail.com>", "Ben <wangben3@gmail.com>"]
 build = "build.rs"
 

rita/src/client.rs

@@ -7,7 +7,10 @@
 //! This file initilizes the dashboard endpoints for the client as well as the common and client
 //! specific actors.
 
-#![cfg_attr(feature = "system_alloc", feature(alloc_system, allocator_api))]
+#![cfg_attr(
+    feature = "system_alloc",
+    feature(alloc_system, allocator_api)
+)]
 #![cfg_attr(feature = "clippy", feature(plugin))]
 #![cfg_attr(feature = "clippy", plugin(clippy))]
 
@@ -208,10 +211,10 @@ fn main() {
             r.method(Method::POST).with(make_payments)
         })
     }).workers(1)
-        .bind(format!("[::0]:{}", SETTING.get_network().rita_contact_port))
-        .unwrap()
-        .shutdown_timeout(0)
-        .start();
+    .bind(format!("[::0]:{}", SETTING.get_network().rita_contact_port))
+    .unwrap()
+    .shutdown_timeout(0)
+    .start();
 
     // dashboard
     server::new(|| {
@@ -233,8 +236,7 @@ fn main() {
                 "/exits/{name}/verify/{code}",
                 Method::POST,
                 verify_on_exit_with_code,
-            )
-            .route("/info", Method::GET, get_own_info)
+            ).route("/info", Method::GET, get_own_info)
             .route("/version", Method::GET, version)
             .route("/wipe", Method::POST, wipe)
             .route("/debts", Method::GET, get_debts)
@@ -246,13 +248,12 @@ fn main() {
                 remove_from_dao_list,
             )
     }).workers(1)
-        .bind(format!(
-            "[::0]:{}",
-            SETTING.get_network().rita_dashboard_port
-        ))
-        .unwrap()
-        .shutdown_timeout(0)
-        .start();
+    .bind(format!(
+        "[::0]:{}",
+        SETTING.get_network().rita_dashboard_port
+    )).unwrap()
+    .shutdown_timeout(0)
+    .start();
 
     let common = rita_common::rita_loop::RitaLoop::new();
     let _: Addr<_> = common.start();