| 1 | //! linux_raw syscalls for UIDs and GIDs |
| 2 | //! |
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| 3 | //! # Safety |
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| 4 | //! |
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| 5 | //! See the `rustix::backend` module documentation for details. |
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| 6 | #![allow (unsafe_code, clippy::undocumented_unsafe_blocks)] |
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| 7 | |
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| 8 | use crate::backend::c; |
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| 9 | use crate::backend::conv::ret_usize_infallible; |
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| 10 | use crate::ugid::{Gid, Uid}; |
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| 11 | |
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| 12 | #[inline ] |
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| 13 | pub(crate) fn getuid() -> Uid { |
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| 14 | #[cfg (any(target_arch = "arm" , target_arch = "sparc" , target_arch = "x86" ))] |
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| 15 | unsafe { |
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| 16 | let uid = ret_usize_infallible(syscall_readonly!(__NR_getuid32)) as c::uid_t; |
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| 17 | Uid::from_raw(uid) |
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| 18 | } |
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| 19 | #[cfg (not(any(target_arch = "arm" , target_arch = "sparc" , target_arch = "x86" )))] |
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| 20 | unsafe { |
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| 21 | let uid: u32 = ret_usize_infallible(raw:syscall_readonly!(__NR_getuid)) as c::uid_t; |
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| 22 | Uid::from_raw(uid) |
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| 23 | } |
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| 24 | } |
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| 25 | |
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| 26 | #[inline ] |
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| 27 | pub(crate) fn geteuid() -> Uid { |
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| 28 | #[cfg (any(target_arch = "arm" , target_arch = "sparc" , target_arch = "x86" ))] |
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| 29 | unsafe { |
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| 30 | let uid = ret_usize_infallible(syscall_readonly!(__NR_geteuid32)) as c::uid_t; |
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| 31 | Uid::from_raw(uid) |
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| 32 | } |
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| 33 | #[cfg (not(any(target_arch = "arm" , target_arch = "sparc" , target_arch = "x86" )))] |
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| 34 | unsafe { |
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| 35 | let uid: u32 = ret_usize_infallible(raw:syscall_readonly!(__NR_geteuid)) as c::uid_t; |
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| 36 | Uid::from_raw(uid) |
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| 37 | } |
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| 38 | } |
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| 39 | |
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| 40 | #[inline ] |
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| 41 | pub(crate) fn getgid() -> Gid { |
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| 42 | #[cfg (any(target_arch = "arm" , target_arch = "sparc" , target_arch = "x86" ))] |
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| 43 | unsafe { |
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| 44 | let gid = ret_usize_infallible(syscall_readonly!(__NR_getgid32)) as c::gid_t; |
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| 45 | Gid::from_raw(gid) |
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| 46 | } |
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| 47 | #[cfg (not(any(target_arch = "arm" , target_arch = "sparc" , target_arch = "x86" )))] |
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| 48 | unsafe { |
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| 49 | let gid: u32 = ret_usize_infallible(raw:syscall_readonly!(__NR_getgid)) as c::gid_t; |
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| 50 | Gid::from_raw(gid) |
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| 51 | } |
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| 52 | } |
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| 53 | |
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| 54 | #[inline ] |
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| 55 | pub(crate) fn getegid() -> Gid { |
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| 56 | #[cfg (any(target_arch = "arm" , target_arch = "sparc" , target_arch = "x86" ))] |
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| 57 | unsafe { |
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| 58 | let gid = ret_usize_infallible(syscall_readonly!(__NR_getegid32)) as c::gid_t; |
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| 59 | Gid::from_raw(gid) |
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| 60 | } |
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| 61 | #[cfg (not(any(target_arch = "arm" , target_arch = "sparc" , target_arch = "x86" )))] |
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| 62 | unsafe { |
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| 63 | let gid: u32 = ret_usize_infallible(raw:syscall_readonly!(__NR_getegid)) as c::gid_t; |
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| 64 | Gid::from_raw(gid) |
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| 65 | } |
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| 66 | } |
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| 67 | |
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