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ksud: handle errors and non compatible ramdisk

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This commit is contained in:
Rifat Azad
2025-06-25 15:26:40 +06:00
parent 78eb3b0b22
commit 7f0eccd3d5
2 changed files with 70 additions and 48 deletions
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59
userspace/ksud_magic/src/boot_patch.rs
View File

@@ -167,14 +167,14 @@ fn do_cpio_cmd(magiskboot: &Path, workdir: &Path, cmd: &str) -> Result<()> {
Ok(())
}
fn do_vendor_cpio_cmd(magiskboot: &Path, workdir: &Path, cmd: &str) -> Result<()> {
let vendor_ramdisk_cpio = workdir.join("vendor_ramdisk").join("init_boot.cpio");
fn do_vendor_init_boot_cpio_cmd(magiskboot: &Path, workdir: &Path, cmd: &str) -> Result<()> {
let vendor_init_boot_cpio = workdir.join("vendor_ramdisk").join("init_boot.cpio");
let status = Command::new(magiskboot)
.current_dir(workdir)
.stdout(Stdio::null())
.stderr(Stdio::null())
.arg("cpio")
.arg(vendor_ramdisk_cpio)
.arg(vendor_init_boot_cpio)
.arg(cmd)
.status()?;
@@ -194,13 +194,13 @@ fn is_magisk_patched(magiskboot: &Path, workdir: &Path) -> Result<bool> {
Ok(status.code() == Some(1))
}
fn is_magisk_patched_vendor(magiskboot: &Path, workdir: &Path) -> Result<bool> {
let vendor_ramdisk_cpio = workdir.join("vendor_ramdisk").join("init_boot.cpio");
fn is_magisk_patched_vendor_init_boot(magiskboot: &Path, workdir: &Path) -> Result<bool> {
let vendor_init_boot_cpio = workdir.join("vendor_ramdisk").join("init_boot.cpio");
let status = Command::new(magiskboot)
.current_dir(workdir)
.stdout(Stdio::null())
.stderr(Stdio::null())
.args(["cpio", vendor_ramdisk_cpio.to_str().unwrap(), "test"])
.args(["cpio", vendor_init_boot_cpio.to_str().unwrap(), "test"])
.status()?;
// 0: stock, 1: magisk
@@ -218,7 +218,7 @@ fn is_kernelsu_patched(magiskboot: &Path, workdir: &Path) -> Result<bool> {
Ok(status.success())
}
fn is_kernelsu_patched_vendor(magiskboot: &Path, workdir: &Path) -> Result<bool> {
fn is_kernelsu_patched_vendor_init_boot(magiskboot: &Path, workdir: &Path) -> Result<bool> {
let vendor_ramdisk_cpio = workdir.join("vendor_ramdisk").join("init_boot.cpio");
let status = Command::new(magiskboot)
.current_dir(workdir)
@@ -280,9 +280,10 @@ pub fn restore(
let no_ramdisk = !workdir.join("ramdisk.cpio").exists();
let is_kernelsu_patched = is_kernelsu_patched(&magiskboot, workdir)?;
let is_kernelsu_patched_vendor = is_kernelsu_patched_vendor(&magiskboot, workdir)?;
let is_kernelsu_patched_vendor_init_boot =
is_kernelsu_patched_vendor_init_boot(&magiskboot, workdir)?;
ensure!(
is_kernelsu_patched || is_kernelsu_patched_vendor,
is_kernelsu_patched || is_kernelsu_patched_vendor_init_boot,
"boot image is not patched by KernelSU Next"
);
@@ -317,15 +318,16 @@ pub fn restore(
if new_boot.is_none() {
if no_ramdisk {
// vendor ramdisk restore
do_vendor_cpio_cmd(&magiskboot, workdir, "rm kernelsu.ko")?;
// vendor init_boot restore
do_vendor_init_boot_cpio_cmd(&magiskboot, workdir, "rm kernelsu.ko")?;
let status = do_vendor_cpio_cmd(&magiskboot, workdir, "exists init.real").is_ok();
let status =
do_vendor_init_boot_cpio_cmd(&magiskboot, workdir, "exists init.real").is_ok();
if status {
do_vendor_cpio_cmd(&magiskboot, workdir, "mv init.real init")?;
do_vendor_init_boot_cpio_cmd(&magiskboot, workdir, "mv init.real init")?;
} else {
let vendor_ramdisk = workdir.join("vendor_ramdisk").join("init_boot.cpio");
std::fs::remove_file(vendor_ramdisk)?;
let vendor_init_boot = workdir.join("vendor_ramdisk").join("init_boot.cpio");
std::fs::remove_file(vendor_init_boot)?;
}
} else {
// remove kernelsu.ko
@@ -511,24 +513,33 @@ fn do_patch(
ensure!(status.success(), "magiskboot unpack failed");
let no_ramdisk = !workdir.join("ramdisk.cpio").exists();
let no_vendor_init_boot = !workdir
.join("vendor_ramdisk")
.join("init_boot.cpio")
.exists();
if no_ramdisk && no_vendor_init_boot {
bail!("No compatible ramdisk found.");
}
let is_magisk_patched = is_magisk_patched(&magiskboot, workdir)?;
let is_magisk_patched_vendor = is_magisk_patched_vendor(&magiskboot, workdir)?;
let is_magisk_patched_vendor_init_boot =
is_magisk_patched_vendor_init_boot(&magiskboot, workdir)?;
ensure!(
no_ramdisk || !is_magisk_patched || !is_magisk_patched_vendor,
!is_magisk_patched || !is_magisk_patched_vendor_init_boot,
"Cannot work with Magisk patched image"
);
println!("- Adding KernelSU Next LKM");
let is_kernelsu_patched = is_kernelsu_patched(&magiskboot, workdir)?;
let is_kernelsu_patched_vendor = is_kernelsu_patched_vendor(&magiskboot, workdir)?;
let is_kernelsu_patched_vendor_init_boot =
is_kernelsu_patched_vendor_init_boot(&magiskboot, workdir)?;
let mut need_backup = false;
if !is_kernelsu_patched || !is_kernelsu_patched_vendor {
if !is_kernelsu_patched || (no_ramdisk && !is_kernelsu_patched_vendor_init_boot) {
if no_ramdisk {
// vendor ramdisk patching
let status = do_vendor_cpio_cmd(&magiskboot, workdir, "exists init");
// vendor init_boot patching
let status = do_vendor_init_boot_cpio_cmd(&magiskboot, workdir, "exists init");
if status.is_ok() {
do_vendor_cpio_cmd(&magiskboot, workdir, "mv init init.real")?;
do_vendor_init_boot_cpio_cmd(&magiskboot, workdir, "mv init init.real")?;
}
} else {
// kernelsu.ko is not exist, backup init if necessary
@@ -541,8 +552,8 @@ fn do_patch(
}
if no_ramdisk {
do_vendor_cpio_cmd(&magiskboot, workdir, "add 0755 init init")?;
do_vendor_cpio_cmd(&magiskboot, workdir, "add 0755 kernelsu.ko kernelsu.ko")?;
do_vendor_init_boot_cpio_cmd(&magiskboot, workdir, "add 0755 init init")?;
do_vendor_init_boot_cpio_cmd(&magiskboot, workdir, "add 0755 kernelsu.ko kernelsu.ko")?;
} else {
do_cpio_cmd(&magiskboot, workdir, "add 0755 init init")?;
do_cpio_cmd(&magiskboot, workdir, "add 0755 kernelsu.ko kernelsu.ko")?;

59
userspace/ksud_overlayfs/src/boot_patch.rs
View File

@@ -167,14 +167,14 @@ fn do_cpio_cmd(magiskboot: &Path, workdir: &Path, cmd: &str) -> Result<()> {
Ok(())
}
fn do_vendor_cpio_cmd(magiskboot: &Path, workdir: &Path, cmd: &str) -> Result<()> {
let vendor_ramdisk_cpio = workdir.join("vendor_ramdisk").join("init_boot.cpio");
fn do_vendor_init_boot_cpio_cmd(magiskboot: &Path, workdir: &Path, cmd: &str) -> Result<()> {
let vendor_init_boot_cpio = workdir.join("vendor_ramdisk").join("init_boot.cpio");
let status = Command::new(magiskboot)
.current_dir(workdir)
.stdout(Stdio::null())
.stderr(Stdio::null())
.arg("cpio")
.arg(vendor_ramdisk_cpio)
.arg(vendor_init_boot_cpio)
.arg(cmd)
.status()?;
@@ -194,13 +194,13 @@ fn is_magisk_patched(magiskboot: &Path, workdir: &Path) -> Result<bool> {
Ok(status.code() == Some(1))
}
fn is_magisk_patched_vendor(magiskboot: &Path, workdir: &Path) -> Result<bool> {
let vendor_ramdisk_cpio = workdir.join("vendor_ramdisk").join("init_boot.cpio");
fn is_magisk_patched_vendor_init_boot(magiskboot: &Path, workdir: &Path) -> Result<bool> {
let vendor_init_boot_cpio = workdir.join("vendor_ramdisk").join("init_boot.cpio");
let status = Command::new(magiskboot)
.current_dir(workdir)
.stdout(Stdio::null())
.stderr(Stdio::null())
.args(["cpio", vendor_ramdisk_cpio.to_str().unwrap(), "test"])
.args(["cpio", vendor_init_boot_cpio.to_str().unwrap(), "test"])
.status()?;
// 0: stock, 1: magisk
@@ -218,7 +218,7 @@ fn is_kernelsu_patched(magiskboot: &Path, workdir: &Path) -> Result<bool> {
Ok(status.success())
}
fn is_kernelsu_patched_vendor(magiskboot: &Path, workdir: &Path) -> Result<bool> {
fn is_kernelsu_patched_vendor_init_boot(magiskboot: &Path, workdir: &Path) -> Result<bool> {
let vendor_ramdisk_cpio = workdir.join("vendor_ramdisk").join("init_boot.cpio");
let status = Command::new(magiskboot)
.current_dir(workdir)
@@ -280,9 +280,10 @@ pub fn restore(
let no_ramdisk = !workdir.join("ramdisk.cpio").exists();
let is_kernelsu_patched = is_kernelsu_patched(&magiskboot, workdir)?;
let is_kernelsu_patched_vendor = is_kernelsu_patched_vendor(&magiskboot, workdir)?;
let is_kernelsu_patched_vendor_init_boot =
is_kernelsu_patched_vendor_init_boot(&magiskboot, workdir)?;
ensure!(
is_kernelsu_patched || is_kernelsu_patched_vendor,
is_kernelsu_patched || is_kernelsu_patched_vendor_init_boot,
"boot image is not patched by KernelSU Next"
);
@@ -317,15 +318,16 @@ pub fn restore(
if new_boot.is_none() {
if no_ramdisk {
// vendor ramdisk restore
do_vendor_cpio_cmd(&magiskboot, workdir, "rm kernelsu.ko")?;
// vendor init_boot restore
do_vendor_init_boot_cpio_cmd(&magiskboot, workdir, "rm kernelsu.ko")?;
let status = do_vendor_cpio_cmd(&magiskboot, workdir, "exists init.real").is_ok();
let status =
do_vendor_init_boot_cpio_cmd(&magiskboot, workdir, "exists init.real").is_ok();
if status {
do_vendor_cpio_cmd(&magiskboot, workdir, "mv init.real init")?;
do_vendor_init_boot_cpio_cmd(&magiskboot, workdir, "mv init.real init")?;
} else {
let vendor_ramdisk = workdir.join("vendor_ramdisk").join("init_boot.cpio");
std::fs::remove_file(vendor_ramdisk)?;
let vendor_init_boot = workdir.join("vendor_ramdisk").join("init_boot.cpio");
std::fs::remove_file(vendor_init_boot)?;
}
} else {
// remove kernelsu.ko
@@ -511,24 +513,33 @@ fn do_patch(
ensure!(status.success(), "magiskboot unpack failed");
let no_ramdisk = !workdir.join("ramdisk.cpio").exists();
let no_vendor_init_boot = !workdir
.join("vendor_ramdisk")
.join("init_boot.cpio")
.exists();
if no_ramdisk && no_vendor_init_boot {
bail!("No compatible ramdisk found.");
}
let is_magisk_patched = is_magisk_patched(&magiskboot, workdir)?;
let is_magisk_patched_vendor = is_magisk_patched_vendor(&magiskboot, workdir)?;
let is_magisk_patched_vendor_init_boot =
is_magisk_patched_vendor_init_boot(&magiskboot, workdir)?;
ensure!(
no_ramdisk || !is_magisk_patched || !is_magisk_patched_vendor,
!is_magisk_patched || !is_magisk_patched_vendor_init_boot,
"Cannot work with Magisk patched image"
);
println!("- Adding KernelSU Next LKM");
let is_kernelsu_patched = is_kernelsu_patched(&magiskboot, workdir)?;
let is_kernelsu_patched_vendor = is_kernelsu_patched_vendor(&magiskboot, workdir)?;
let is_kernelsu_patched_vendor_init_boot =
is_kernelsu_patched_vendor_init_boot(&magiskboot, workdir)?;
let mut need_backup = false;
if !is_kernelsu_patched || !is_kernelsu_patched_vendor {
if !is_kernelsu_patched || (no_ramdisk && !is_kernelsu_patched_vendor_init_boot) {
if no_ramdisk {
// vendor ramdisk patching
let status = do_vendor_cpio_cmd(&magiskboot, workdir, "exists init");
// vendor init_boot patching
let status = do_vendor_init_boot_cpio_cmd(&magiskboot, workdir, "exists init");
if status.is_ok() {
do_vendor_cpio_cmd(&magiskboot, workdir, "mv init init.real")?;
do_vendor_init_boot_cpio_cmd(&magiskboot, workdir, "mv init init.real")?;
}
} else {
// kernelsu.ko is not exist, backup init if necessary
@@ -541,8 +552,8 @@ fn do_patch(
}
if no_ramdisk {
do_vendor_cpio_cmd(&magiskboot, workdir, "add 0755 init init")?;
do_vendor_cpio_cmd(&magiskboot, workdir, "add 0755 kernelsu.ko kernelsu.ko")?;
do_vendor_init_boot_cpio_cmd(&magiskboot, workdir, "add 0755 init init")?;
do_vendor_init_boot_cpio_cmd(&magiskboot, workdir, "add 0755 kernelsu.ko kernelsu.ko")?;
} else {
do_cpio_cmd(&magiskboot, workdir, "add 0755 init init")?;
do_cpio_cmd(&magiskboot, workdir, "add 0755 kernelsu.ko kernelsu.ko")?;