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Receive the reply_ok to prevent from dmesg flooding (#35)

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This commit is contained in:
5ec1cff
2023-06-21 23:06:47 +08:00
committed by GitHub
parent e8958e94b6
commit ccb5764b72
3 changed files with 44 additions and 9 deletions
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45
zygiskd/src/root_impl/kernelsu.rs
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@@ -1,7 +1,8 @@
use crate::constants::{MAX_KSU_VERSION, MIN_KSU_VERSION};
use nix::libc;
use nix::libc::prctl;
use crate::constants::{MIN_KSU_VERSION, MAX_KSU_VERSION};
const KERNEL_SU_OPTION: i32 = 0xdeadbeefu32 as i32;
const KERNEL_SU_OPTION: u32 = 0xdeadbeefu32;
const CMD_GET_VERSION: usize = 2;
const CMD_UID_GRANTED_ROOT: usize = 12;
@@ -15,23 +16,55 @@ pub enum Version {
pub fn get_kernel_su() -> Option<Version> {
let mut version = 0;
unsafe { prctl(KERNEL_SU_OPTION, CMD_GET_VERSION, &mut version as *mut i32, 0, 0) };
unsafe {
prctl(
KERNEL_SU_OPTION as i32,
CMD_GET_VERSION,
&mut version as *mut i32,
0,
0,
)
};
match version {
0 => None,
MIN_KSU_VERSION..=MAX_KSU_VERSION => Some(Version::Supported),
1..=MIN_KSU_VERSION => Some(Version::TooOld),
_ => Some(Version::Abnormal)
_ => Some(Version::Abnormal),
}
}
pub fn uid_granted_root(uid: i32) -> bool {
let mut result: u32 = 0;
let mut granted = false;
unsafe { prctl(KERNEL_SU_OPTION, CMD_UID_GRANTED_ROOT, uid, &mut granted as *mut bool, 0) };
unsafe {
prctl(
KERNEL_SU_OPTION as i32,
CMD_UID_GRANTED_ROOT,
uid,
&mut granted as *mut bool,
&mut result as *mut u32,
)
};
if result != KERNEL_SU_OPTION {
log::warn!("uid_granted_root failed");
}
granted
}
pub fn uid_should_umount(uid: i32) -> bool {
let mut result: u32 = 0;
let mut umount = false;
unsafe { prctl(KERNEL_SU_OPTION, CMD_UID_SHOULD_UMOUNT, uid, &mut umount as *mut bool, 0) };
unsafe {
prctl(
KERNEL_SU_OPTION as i32,
CMD_UID_SHOULD_UMOUNT,
uid,
&mut umount as *mut bool,
&mut result as *mut u32,
)
};
if result != KERNEL_SU_OPTION {
log::warn!("uid_granted_root failed");
}
umount
}