android root权限注册,Android 取得root权限的方法

夔博
2023-12-01

Android 取得root权限的方法

On the emulator provided with the SDK r10, you can get a root

shell executing "adb shell" from your host computer. Once you have

such root shell, you cat follow this steps to get a command that

can log you as root from the terminal emulator:

# Remount /data to allow executables and setuids

on itmount -o

remount,rw

/dev/block/mtdblock1 /data# There's no "cp" command on

Androidcat /system/bin/sh >

/data/su# Give setuid permissions to the

shellchmod 7755 /data/su

Now, from the emulator, just run "/data/su" and that's it,

you're root.

The normal "/system/xbin/su" command included in the SDK

performs internal user id checks, so these commands...

mount -o remount,rw /dev/block/mtdblock0 /system

chmod 7755 /system/xbin/su

...just won't work. There's no way to trick /system/xbin/su to

allow the normal user (UID 10018 in my case) to become root.

Please note that dealing with setuid programs can be a security

risk (not higher than having a universal "su" command, though). Use

this solution at your own risk.

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