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manager | ksud: Add toggle for global mount namespace (#99)

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* This is untested, if you facing any issues, open a new issue or comments at our group
* and also, this changes maybe reverted if didn't meet the target.

Taken from Apatch's implementations:
8de6b9d676
57d527a846
f093d6a633

Critics are welcome!

Signed-off-by: rsuntk <90097027+rsuntk@users.noreply.github.com>
This commit is contained in:
Alessandro Paluzzi
2025-05-24 15:52:45 +07:00
committed by Rifat Azad
parent a917314e84
commit c6b5440682
8 changed files with 58 additions and 3 deletions
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2
userspace/ksud_magic/src/defs.rs
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@@ -44,3 +44,5 @@ pub const NO_TMPFS_PATH: &str = concatcp!(WORKING_DIR, ".notmpfs");
pub const NO_MOUNT_PATH: &str = concatcp!(WORKING_DIR, ".nomount");
pub const MOUNT_SYSTEM: &str = "Magic_Mount";
pub const GLOBAL_NAMESPACE_FILE: &str = concatcp!(WORKING_DIR, ".global_mnt");

5
userspace/ksud_magic/src/su.rs
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@@ -261,7 +261,10 @@ pub fn root_shell() -> Result<()> {
// switch to global mount namespace
#[cfg(any(target_os = "linux", target_os = "android"))]
if mount_master {
let global_namespace_enable =
std::fs::read_to_string(defs::GLOBAL_NAMESPACE_FILE)
.unwrap_or("0".to_string());
if global_namespace_enable.trim() == "1" || mount_master {
let _ = utils::switch_mnt_ns(1);
}

2
userspace/ksud_overlayfs/src/defs.rs
View File

@@ -47,3 +47,5 @@ pub const KSU_BACKUP_FILE_PREFIX: &str = "ksu_backup_";
pub const BACKUP_FILENAME: &str = "stock_image.sha1";
pub const MOUNT_SYSTEM: &str = "OverlayFS";
pub const GLOBAL_NAMESPACE_FILE: &str = concatcp!(WORKING_DIR, ".global_mnt");

5
userspace/ksud_overlayfs/src/su.rs
View File

@@ -261,7 +261,10 @@ pub fn root_shell() -> Result<()> {
// switch to global mount namespace
#[cfg(any(target_os = "linux", target_os = "android"))]
if mount_master {
let global_namespace_enable =
std::fs::read_to_string(defs::GLOBAL_NAMESPACE_FILE)
.unwrap_or("0".to_string());
if global_namespace_enable.trim() == "1" || mount_master {
let _ = utils::switch_mnt_ns(1);
}