24 lines
521 B
Rust
24 lines
521 B
Rust
// SPDX-License-Identifier: MPL-2.0
|
|
|
|
use super::SyscallReturn;
|
|
use crate::{prelude::*, process::Uid};
|
|
|
|
pub fn sys_setfsuid(uid: i32, ctx: &Context) -> Result<SyscallReturn> {
|
|
debug!("uid = {}", uid);
|
|
|
|
let fsuid = if uid < 0 {
|
|
None
|
|
} else {
|
|
Some(Uid::new(uid as u32))
|
|
};
|
|
|
|
let old_fsuid = {
|
|
let credentials = ctx.posix_thread.credentials_mut();
|
|
credentials.set_fsuid(fsuid)?
|
|
};
|
|
|
|
Ok(SyscallReturn::Return(
|
|
<Uid as Into<u32>>::into(old_fsuid) as _
|
|
))
|
|
}
|