use std::mem; use libc::{c_char, c_int, c_short, c_uint, c_ulong, sockaddr, sockaddr_in6, time_t}; pub use libc::{ c_void, sockaddr_ctl, sockaddr_in, socklen_t, AF_SYSTEM, AF_SYS_CONTROL, IFNAMSIZ, SYSPROTO_CONTROL, }; use nix::{ ioctl_read_bad, ioctl_readwrite, ioctl_write_ptr_bad, request_code_readwrite, request_code_write, }; pub const UTUN_CONTROL_NAME: &str = "com.apple.net.utun_control"; pub const UTUN_OPT_IFNAME: libc::c_int = 2; pub const MAX_KCTL_NAME: usize = 96; pub const SCOPE6_ID_MAX: usize = 16; #[repr(C)] #[derive(Copy, Clone, Debug)] pub struct ctl_info { pub ctl_id: u32, pub ctl_name: [u8; MAX_KCTL_NAME], } #[repr(C)] #[derive(Copy, Clone, Debug)] pub struct ifkpi { pub ifk_module_id: c_uint, pub ifk_type: c_uint, pub ifk_ptr: *mut c_void, } #[repr(C)] #[derive(Copy, Clone, Debug)] pub struct ifdevmtu { pub ifdm_current: c_int, pub ifdm_min: c_int, pub ifdm_max: c_int, } #[repr(C)] pub union ifr_ifru { pub ifru_addr: sockaddr, pub ifru_dstaddr: sockaddr, pub ifru_broadaddr: sockaddr, pub ifru_netmask: sockaddr, pub ifru_flags: c_short, pub ifru_metric: c_int, pub ifru_mtu: c_int, pub ifru_phys: c_int, pub ifru_media: c_int, pub ifru_intval: c_int, pub ifru_data: *mut c_char, pub ifru_devmtu: ifdevmtu, pub ifru_kpi: ifkpi, pub ifru_wake_flags: u32, pub ifru_route_refcnt: u32, pub ifru_cap: [c_int; 2], pub ifru_functional_type: u32, } #[repr(C)] pub struct ifreq { pub ifr_name: [c_char; IFNAMSIZ], pub ifr_ifru: ifr_ifru, } #[repr(C)] #[derive(Copy, Clone, Debug)] pub struct in6_addrlifetime{ pub ia6t_expire: time_t, pub ia6t_preferred: time_t, pub ia6t_vltime: u32, pub ia6t_pltime: u32, } #[repr(C)] #[derive(Copy, Clone, Debug)] pub struct in6_ifstat { pub ifs6_in_receive: u64, pub ifs6_in_hdrerr: u64, pub ifs6_in_toobig: u64, pub ifs6_in_noroute: u64, pub ifs6_in_addrerr: u64, pub ifs6_in_protounknown: u64, pub ifs6_in_truncated: u64, pub ifs6_in_discard: u64, pub ifs6_in_deliver: u64, pub ifs6_out_forward: u64, pub ifs6_out_request: u64, pub ifs6_out_discard: u64, pub ifs6_out_fragok: u64, pub ifs6_out_fragfail: u64, pub ifs6_out_fragcreat: u64, pub ifs6_reass_reqd: u64, pub ifs6_reass_ok: u64, pub ifs6_atmfrag_rcvd: u64, pub ifs6_reass_fail: u64, pub ifs6_in_mcast: u64, pub ifs6_out_mcast: u64, pub ifs6_cantfoward_icmp6: u64, pub ifs6_addr_expiry_cnt: u64, pub ifs6_pfx_expiry_cnt: u64, pub ifs6_defrtr_expiry_cnt: u64, } #[repr(C)] #[derive(Copy, Clone, Debug)] pub struct icmp6_ifstat { pub ifs6_in_msg: u64, pub ifs6_in_error: u64, pub ifs6_in_dstunreach: u64, pub ifs6_in_adminprohib: u64, pub ifs6_in_timeexceed: u64, pub ifs6_in_paramprob: u64, pub ifs6_in_pkttoobig: u64, pub ifs6_in_echo: u64, pub ifs6_in_echoreply: u64, pub ifs6_in_routersolicit: u64, pub ifs6_in_routeradvert: u64, pub ifs6_in_neighborsolicit: u64, pub ifs6_in_neighboradvert: u64, pub ifs6_in_redirect: u64, pub ifs6_in_mldquery: u64, pub ifs6_in_mldreport: u64, pub ifs6_in_mlddone: u64, pub ifs6_out_msg: u64, pub ifs6_out_error: u64, pub ifs6_out_dstunreach: u64, pub ifs6_out_adminprohib: u64, pub ifs6_out_timeexceed: u64, pub ifs6_out_paramprob: u64, pub ifs6_out_pkttoobig: u64, pub ifs6_out_echo: u64, pub ifs6_out_echoreply: u64, pub ifs6_out_routersolicit: u64, pub ifs6_out_routeradvert: u64, pub ifs6_out_neighborsolicit: u64, pub ifs6_out_neighboradvert: u64, pub ifs6_out_redirect: u64, pub ifs6_out_mldquery: u64, pub ifs6_out_mldreport: u64, pub ifs6_out_mlddone: u64, } #[repr(C)] pub union ifr_ifru6 { pub ifru_addr: sockaddr_in6, pub ifru_dstaddr: sockaddr_in6, pub ifru_flags: c_int, pub ifru_flags6: c_int, pub ifru_metric: c_int, pub ifru_intval: c_int, pub ifru_data: *mut c_char, pub ifru_lifetime: in6_addrlifetime, // ifru_lifetime pub ifru_stat: in6_ifstat, pub ifru_icmp6stat: icmp6_ifstat, pub ifru_scope_id: [u32; SCOPE6_ID_MAX] } #[repr(C)] pub struct in6_ifreq { pub ifr_name: [c_char; IFNAMSIZ], pub ifr_ifru: ifr_ifru6, } pub const SIOCSIFADDR: c_ulong = request_code_write!(b'i', 12, mem::size_of::()); pub const SIOCSIFADDR_IN6: c_ulong = request_code_write!(b'i', 12, mem::size_of::()); pub const SIOCGIFMTU: c_ulong = request_code_readwrite!(b'i', 51, mem::size_of::()); pub const SIOCSIFMTU: c_ulong = request_code_write!(b'i', 52, mem::size_of::()); pub const SIOCGIFNETMASK: c_ulong = request_code_readwrite!(b'i', 37, mem::size_of::()); pub const SIOCSIFNETMASK: c_ulong = request_code_write!(b'i', 22, mem::size_of::()); #[macro_export] macro_rules! syscall { ($call: ident ( $($arg: expr),* $(,)* ) ) => {{ match unsafe { ::libc::$call($($arg, )*) } { -1 => Err(::std::io::Error::last_os_error()), res => Ok(res), } }}; } pub use syscall; ioctl_readwrite!(resolve_ctl_info, b'N', 3, ctl_info); ioctl_read_bad!(if_get_addr, libc::SIOCGIFADDR, ifreq); ioctl_read_bad!(if_get_mtu, SIOCGIFMTU, ifreq); ioctl_read_bad!(if_get_netmask, SIOCGIFNETMASK, ifreq); ioctl_write_ptr_bad!(if_set_addr, SIOCSIFADDR, ifreq); ioctl_write_ptr_bad!(if_set_addr6, SIOCSIFADDR_IN6, in6_ifreq); ioctl_write_ptr_bad!(if_set_mtu, SIOCSIFMTU, ifreq); ioctl_write_ptr_bad!(if_set_netmask, SIOCSIFNETMASK, ifreq);