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Use backup init if booted as recovery

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This commit is contained in:
topjohnwu 2017-09-13 04:06:39 +08:00
parent ff7c38f8e9
commit 3a2262dfb3
1 changed files with 12 additions and 1 deletions
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13
jni/magiskinit.c
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@ -1,3 +1,14 @@
/* magiskinit.c - Workaround for skip_initramfs devices
*
* This code has to be compiled statically to work properly.
*
* Magiskinit will mount sysfs, parse through uevent files to make the system block device,
* then it'll mount the system partition and clone rootfs except files under /system.
* Folders placed in "overlay" will then be overlayed to the root.
* Lastly before giving control back to the real init, it'll patch the root files to load Magisk.
*/
#include <stdio.h>
#include <unistd.h>
#include <string.h>
@ -287,7 +298,7 @@ int main(int argc, char *argv[]) {
// Recovery mode
// Revert original init binary
unlink("/init");
rename("/init_orig", "/init");
rename("/.backup/init", "/init");
}
execv("/init", argv);