Fix permissions, daemonize

Cargo.lock

@@ -7,7 +7,7 @@ dependencies = [
  "rand 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_event 0.1.0 (git+https://github.com/redox-os/event.git)",
  "redox_syscall 0.1.31 (registry+https://github.com/rust-lang/crates.io-index)",
- "smoltcp 0.4.0",
+ "smoltcp 0.4.0 (git+https://github.com/batonius/smoltcp.git?branch=default_route)",
 ]
 
 [[package]]
@@ -328,6 +328,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "smoltcp"
 version = "0.4.0"
+source = "git+https://github.com/batonius/smoltcp.git?branch=default_route#253a14b425fa77ddfe096352cf3d8d6a9dbcafbc"
 dependencies = [
  "byteorder 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -477,6 +478,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum rustls 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "17727f4b991294da2c84d75a43c003151ff58072212768800f66c56ee46dca43"
 "checksum safemem 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e27a8b19b835f7aea908818e871f5cc3a5a186550c30773be987e155e8163d8f"
 "checksum scopeguard 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c79eb2c3ac4bc2507cda80e7f3ac5b88bd8eae4c0914d5663e6a8933994be918"
+"checksum smoltcp 0.4.0 (git+https://github.com/batonius/smoltcp.git?branch=default_route)" = "<none>"
 "checksum termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "689a3bdfaab439fd92bc87df5c4c78417d3cbe537487274e9b0b2dce76e92096"
 "checksum time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)" = "d5d788d3aa77bc0ef3e9621256885555368b47bd495c13dd2e7413c89f845520"
 "checksum traitobject 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "efd1f82c56340fdf16f2a953d7bda4f8fdffba13d93b00844c25572110b26079"

Cargo.toml

@@ -41,4 +41,4 @@ features = ["release_max_level_off"]
 git = "https://github.com/batonius/smoltcp.git"
 branch = "default_route"
 default-features = false
-features = ["std", "log", "socket-raw", "socket-udp", "socket-tcp"] 
+features = ["std", "log", "socket-raw", "socket-udp", "socket-tcp"]

src/smolnetd/main.rs

@@ -25,12 +25,6 @@ mod port_set;
 fn run() -> Result<()> {
     use syscall::flag::*;
 
-    logger::init_logger();
-
-    // if unsafe { syscall::clone(0).unwrap() } != 0 {
-    //     return Ok(());
-    // }
-
     trace!("opening network:");
     let network_fd = syscall::open("network:", O_RDWR | O_NONBLOCK)
         .map_err(|e| Error::from_syscall_error(e, "failed to open network:"))?
@@ -126,9 +120,12 @@ fn run() -> Result<()> {
 }
 
 fn main() {
-    if let Err(err) = run() {
-        error!("smoltcpd: {}", err);
-        process::exit(1);
+    if unsafe { syscall::clone(0).unwrap() } == 0 {
+        logger::init_logger();
+
+        if let Err(err) = run() {
+            error!("smoltcpd: {}", err);
+            process::exit(1);
+        }
     }
-    process::exit(0);
 }

src/smolnetd/scheme/mod.rs

@@ -126,9 +126,9 @@ impl Smolnetd {
     fn poll(&mut self) -> Result<()> {
         let timestamp = self.get_timestamp();
         // trace!("Poll {}", timestamp);
-        self.iface
-            .poll(&mut *self.socket_set.borrow_mut(), timestamp)
-            .expect("poll error");
+        if let Err(err) = self.iface.poll(&mut *self.socket_set.borrow_mut(), timestamp) {
+            error!("poll error: {}", err);
+        }
         self.notify_sockets()
     }
 

src/smolnetd/scheme/tcp_socket.rs

@@ -11,7 +11,6 @@ use std::ops::DerefMut;
 use syscall::data::TimeSpec;
 use syscall;
 
-use super::Smolnetd;
 use port_set::PortSet;
 
 pub type TcpScheme = SocketScheme<TcpSocket<'static>>;
@@ -109,7 +108,7 @@ impl<'a> SchemeSocket for TcpSocket<'a> {
         let remote_endpoint = parse_endpoint(parts.next().unwrap_or(""));
         let mut local_endpoint = parse_endpoint(parts.next().unwrap_or(""));
 
-        if local_endpoint.port <= 1024 && uid != 0 {
+        if local_endpoint.port > 0 && local_endpoint.port <= 1024 && uid != 0 {
             return Err(syscall::Error::new(syscall::EACCES));
         }
 

src/smolnetd/scheme/udp_socket.rs

@@ -107,7 +107,7 @@ impl<'a, 'b> SchemeSocket for UdpSocket<'a, 'b> {
         let remote_endpoint = parse_endpoint(parts.next().unwrap_or(""));
         let mut local_endpoint = parse_endpoint(parts.next().unwrap_or(""));
 
-        if local_endpoint.port <= 1024 && uid != 0 {
+        if local_endpoint.port > 0 && local_endpoint.port <= 1024 && uid != 0 {
             return Err(syscall::Error::new(syscall::EACCES));
         }