support ohos

Author: FrankHan1233

src/device.rs

@@ -93,5 +93,4 @@ pub trait AbstractDevice: Read + Write {
     ///
     /// [Note: This value is not used to specify whether the packets delivered from/to tun2 have packet information. -- end note]
     fn packet_information(&self) -> bool;
-    fn tun_index(&self) -> Result<i32>;
 }

src/platform/ohos/device.rs

@@ -97,10 +97,6 @@ impl Write for Device {
 }
 
 impl AbstractDevice for Device {
-    fn tun_index(&self) -> Result<i32> {
-        Err(Error::NotImplemented)
-    }
-
     fn tun_name(&self) -> Result<String> {
         Ok("vpn-tun".to_string())
     }

src/platform/ohos/mod.rs

@@ -25,28 +25,6 @@ use crate::error::Result;
 #[derive(Copy, Clone, Default, Debug)]
 pub struct PlatformConfig;
 
-impl PlatformConfig {
-    /// Dummy functions for compatibility with Linux.
-    pub fn packet_information(&mut self, _value: bool) -> &mut Self {
-        self
-    }
-
-    /// Dummy functions for compatibility with Linux.
-    pub fn ensure_root_privileges(&mut self, _value: bool) -> &mut Self {
-        self
-    }
-
-    /// Dummy functions for compatibility with Linux.
-    pub fn napi(&mut self, _value: bool) -> &mut Self {
-        self
-    }
-
-    /// Dummy functions for compatibility with Linux.
-    pub fn vnet_hdr(&mut self, _value: bool) -> &mut Self {
-        self
-    }
-}
-
 /// Create a TUN device with the given name.
 pub fn create(configuration: &Configuration) -> Result<Device> {
     Device::new(configuration)

src/platform/posix/sockaddr.rs

@@ -39,9 +39,9 @@ fn rs_addr_to_sockaddr(addr: std::net::SocketAddr) -> sockaddr_union {
             {
                 addr.addr4.sin_len = std::mem::size_of::<libc::sockaddr_in>() as u8;
             }
-            unsafe { addr.addr4.sin_family = libc::AF_INET as libc::sa_family_t; }
-            unsafe { addr.addr4.sin_addr.s_addr = u32::from_ne_bytes(ipv4.ip().octets()); }
-            unsafe { addr.addr4.sin_port = ipv4.port().to_be(); }
+            addr.addr4.sin_family = libc::AF_INET as libc::sa_family_t;
+            addr.addr4.sin_addr.s_addr = u32::from_ne_bytes(ipv4.ip().octets());
+            addr.addr4.sin_port = ipv4.port().to_be();
             addr
         }
         std::net::SocketAddr::V6(ipv6) => {
@@ -50,9 +50,9 @@ fn rs_addr_to_sockaddr(addr: std::net::SocketAddr) -> sockaddr_union {
             {
                 addr.addr6.sin6_len = std::mem::size_of::<libc::sockaddr_in6>() as u8;
             }
-            unsafe { addr.addr6.sin6_family = libc::AF_INET6 as libc::sa_family_t; }
-            unsafe { addr.addr6.sin6_addr.s6_addr = ipv6.ip().octets(); }
-            unsafe { addr.addr6.sin6_port = ipv6.port().to_be(); }
+            addr.addr6.sin6_family = libc::AF_INET6 as libc::sa_family_t;
+            addr.addr6.sin6_addr.s6_addr = ipv6.ip().octets();
+            addr.addr6.sin6_port = ipv6.port().to_be();
             addr
         }
     }