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Reworking fdwrapper

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Co-authored-by: 5ec1cff <ewtqyqyewtqyqy@gmail.com>
Co-authored-by: 5ec1cff <56485584+5ec1cff@users.noreply.github.com>
Co-authored-by: Ylarod <me@ylarod.cn>
This commit is contained in:
ShirkNeko
2025-11-08 19:03:14 +08:00
parent 3badbcd4bc
commit 18ad2afadb
9 changed files with 409 additions and 405 deletions
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11
userspace/ksud/src/ksucalls.rs
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@@ -15,7 +15,7 @@ const KSU_IOCTL_SET_SEPOLICY: u32 = 0xc0004b04; // _IOC(_IOC_READ|_IOC_WRITE, 'K
const KSU_IOCTL_CHECK_SAFEMODE: u32 = 0x80004b05; // _IOC(_IOC_READ, 'K', 5, 0)
const KSU_IOCTL_GET_FEATURE: u32 = 0xc0004b0d; // _IOC(_IOC_READ|_IOC_WRITE, 'K', 13, 0)
const KSU_IOCTL_SET_FEATURE: u32 = 0x40004b0e; // _IOC(_IOC_WRITE, 'K', 14, 0)
const KSU_IOCTL_PROXY_FILE: u32 = 0x00004b0f; // _IOC(_IOC_NONE, 'K', 15, 0)
const KSU_IOCTL_GET_WRAPPER_FD: u32 = 0x40004b0f; // _IOC(_IOC_WRITE, 'K', 15, 0)
#[allow(dead_code)]
const KSU_IOCTL_KPM: u32 = 0xc0004bc8; // _IOC(_IOC_READ|_IOC_WRITE, 'K', 200, 0)
#[allow(dead_code)]
@@ -63,7 +63,7 @@ struct SetFeatureCmd {
#[repr(C)]
#[derive(Clone, Copy, Default)]
struct ProxyFileCmd {
struct GetWrapperFdCmd {
fd: i32,
flags: u32,
}
@@ -233,9 +233,10 @@ pub fn set_feature(feature_id: u32, value: u64) -> std::io::Result<()> {
Ok(())
}
pub fn proxy_file(fd: RawFd) -> std::io::Result<RawFd> {
let mut cmd = ProxyFileCmd { fd, flags: 0 };
let result = ksuctl(KSU_IOCTL_PROXY_FILE, &mut cmd as *mut _)?;
#[cfg(any(target_os = "linux", target_os = "android"))]
pub fn get_wrapped_fd(fd: RawFd) -> std::io::Result<RawFd> {
let mut cmd = GetWrapperFdCmd { fd, flags: 0 };
let result = ksuctl(KSU_IOCTL_GET_WRAPPER_FD, &mut cmd as *mut _)?;
Ok(result)
}