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ksud: fix gid is override by uid

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weishu
2023-06-04 23:14:37 +08:00
parent 887f02e742
commit 75509aba72
1 changed files with 4 additions and 3 deletions
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7
userspace/ksud/src/ksu.rs
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@@ -58,11 +58,11 @@ fn print_usage(program: &str, opts: Options) {
print!("{}", opts.usage(&brief));
}
fn set_identity(uid: u32) {
fn set_identity(uid: u32, gid: u32) {
#[cfg(any(target_os = "linux", target_os = "android"))]
unsafe {
libc::seteuid(uid);
libc::setresgid(uid, uid, uid);
libc::setresgid(gid, gid, gid);
libc::setresuid(uid, uid, uid);
}
}
@@ -170,6 +170,7 @@ pub fn root_shell() -> Result<()> {
// use current uid if no user specified, these has been done in kernel!
let mut uid = unsafe { libc::getuid() };
let gid = unsafe { libc::getgid() };
if free_idx < matches.free.len() {
let name = &matches.free[free_idx];
uid = unsafe {
@@ -235,7 +236,7 @@ pub fn root_shell() -> Result<()> {
let _ = utils::unshare_mnt_ns();
}
set_identity(uid);
set_identity(uid, gid);
std::result::Result::Ok(())
})