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ksud: Add uninstall

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This commit is contained in:
weishu 2024-04-22 20:41:42 +08:00
parent 4922d89823
commit 0697db618e
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GPG Key ID: 6D3F65FFD9559C06
3 changed files with 30 additions and 4 deletions
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8
userspace/ksud/src/cli.rs
View File

@ -37,6 +37,13 @@ enum Commands {
/// Install KernelSU userspace component to system
Install,
/// Uninstall KernelSU modules and itself(LKM Only)
Uninstall {
/// magiskboot path, if not specified, will search from $PATH
#[arg(long, default_value = None)]
magiskboot_path: Option<PathBuf>,
},
/// SELinux policy Patch tool
Sepolicy {
#[command(subcommand)]
@ -301,6 +308,7 @@ pub fn run() -> Result<()> {
}
}
Commands::Install => utils::install(),
Commands::Uninstall { magiskboot_path } => utils::uninstall(magiskboot_path),
Commands::Sepolicy { command } => match command {
Sepolicy::Patch { sepolicy } => crate::sepolicy::live_patch(&sepolicy),
Sepolicy::Apply { file } => crate::sepolicy::apply_file(file),

14
userspace/ksud/src/module.rs
View File

@ -604,13 +604,21 @@ pub fn disable_module(id: &str) -> Result<()> {
}
pub fn disable_all_modules() -> Result<()> {
mark_all_modules(defs::DISABLE_FILE_NAME)
}
pub fn uninstall_all_modules() -> Result<()> {
mark_all_modules(defs::REMOVE_FILE_NAME)
}
fn mark_all_modules(flag_file: &str) -> Result<()> {
// we assume the module dir is already mounted
let dir = std::fs::read_dir(defs::MODULE_DIR)?;
for entry in dir.flatten() {
let path = entry.path();
let disable_flag = path.join(defs::DISABLE_FILE_NAME);
if let Err(e) = ensure_file_exists(disable_flag) {
warn!("Failed to disable module: {}: {}", path.display(), e);
let flag = path.join(flag_file);
if let Err(e) = ensure_file_exists(flag) {
warn!("Failed to mark module: {}: {}", path.display(), e);
}
}

12
userspace/ksud/src/utils.rs
View File

@ -5,7 +5,7 @@ use std::{
path::Path,
};
use crate::{assets, defs, ksucalls, restorecon};
use crate::{assets, boot_patch, defs, ksucalls, module, restorecon};
use std::fs::metadata;
#[allow(unused_imports)]
use std::fs::{set_permissions, Permissions};
@ -217,6 +217,16 @@ pub fn install() -> Result<()> {
Ok(())
}
pub fn uninstall(magiskboot_path: Option<PathBuf>) -> Result<()> {
println!("- Uninstall modules..");
module::uninstall_all_modules()?;
module::prune_modules()?;
println!("- Removing directories..");
std::fs::remove_dir_all(defs::WORKING_DIR)?;
println!("- Uninstall KernelSU itself..");
boot_patch::restore(None, magiskboot_path, true)
}
// TODO: use libxcp to improve the speed if cross's MSRV is 1.70
pub fn copy_sparse_file<P: AsRef<Path>, Q: AsRef<Path>>(
src: P,