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Add option to enable global namespace (#497)

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Disabled by default.
To enable/disable use terminal with root.

To enable:
echo 1 > /sys/module/ksu/parameters/global_namespace_enable

To disable:
echo 0 > /sys/module/ksu/parameters/global_namespace_enable

Value will be reset to 0 (disabled) on reboot.
This commit is contained in:
Hikari-no-Tenshi
2023-05-16 06:39:48 +03:00
committed by GitHub
parent d4680c6de7
commit f81caf75a9
2 changed files with 8 additions and 1 deletions
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4
kernel/ksu.c
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@@ -1,5 +1,6 @@
#include "linux/fs.h" #include "linux/fs.h"
#include "linux/module.h" #include "linux/module.h"
#include "linux/moduleparam.h"
#include "linux/workqueue.h" #include "linux/workqueue.h"
#include "allowlist.h" #include "allowlist.h"
@@ -9,6 +10,9 @@
#include "ksu.h" #include "ksu.h"
#include "uid_observer.h" #include "uid_observer.h"
int global_namespace_enable;
module_param(global_namespace_enable, int, S_IRUSR | S_IWUSR);
static struct workqueue_struct *ksu_workqueue; static struct workqueue_struct *ksu_workqueue;
bool ksu_queue_work(struct work_struct *work) bool ksu_queue_work(struct work_struct *work)

5
userspace/ksud/src/ksu.rs
View File

@@ -229,7 +229,10 @@ pub fn root_shell() -> Result<()> {
// switch to global mount namespace // switch to global mount namespace
#[cfg(any(target_os = "linux", target_os = "android"))] #[cfg(any(target_os = "linux", target_os = "android"))]
if mount_master { let global_namespace_enable =
std::fs::read_to_string("/sys/module/ksu/parameters/global_namespace_enable")
.unwrap_or("0".to_string());
if global_namespace_enable.trim() == "1" || mount_master {
let _ = utils::switch_mnt_ns(1); let _ = utils::switch_mnt_ns(1);
let _ = utils::unshare_mnt_ns(); let _ = utils::unshare_mnt_ns();
} }