Commit Graph

896 Commits

Author SHA1 Message Date
topjohnwu
13fbf397d1 Isolated processes might still be hide-able 2021-01-15 20:22:49 -08:00
topjohnwu
04c53c3578 Legacy SAR: use a simpler method to detect is_two_stage 2021-01-15 02:44:40 -08:00
topjohnwu
51bc27a869 Avoid F2FS like a plague 2021-01-15 02:24:11 -08:00
topjohnwu
71b083794c Maintain global mount list 2021-01-14 21:14:54 -08:00
topjohnwu
b100d0c503 Revert DTB fstab changes 2021-01-14 19:48:00 -08:00
topjohnwu
76061296c9 Let MagiskBoot handle dtb fstab patching 2021-01-14 06:20:12 -08:00
topjohnwu
bb303d2da1 Remove old unused code 2021-01-14 05:59:53 -08:00
topjohnwu
c91c070343 Re-enable DTB table rebuilding 2021-01-14 05:45:05 -08:00
topjohnwu
aec06a6f61 Get proper total image size 2021-01-14 03:55:27 -08:00
topjohnwu
e8ba671fc2 Guard all injection features behind a global flag 2021-01-13 20:07:23 -08:00
topjohnwu
1860e5d133 Dynamically find libselinux.so path 2021-01-13 19:41:57 -08:00
topjohnwu
f2cb3c38fe Update mmap implementation
Always map memory as writable, but private when read-only
2021-01-12 22:50:55 -08:00
topjohnwu
9a28dd4f6e Implement MagiskHide through code injection 2021-01-12 03:28:00 -08:00
topjohnwu
d2acd59ea8 Minor code refactoring 2021-01-12 00:07:48 -08:00
topjohnwu
eb21c8b42e Code cleanups 2021-01-11 02:19:10 -08:00
topjohnwu
70d67728fd Add global toggle for ptrace monitor 2021-01-10 19:27:54 -08:00
topjohnwu
e546884b08 Remove isolated process handling in ptrace
Impossible to achieve only through ptrace
2021-01-10 17:18:42 -08:00
topjohnwu
b36e6d987d Reorganize MagiskHide code
Prepare for zygote injection hiding
2021-01-10 17:11:00 -08:00
topjohnwu
53c3dd5e8b Auto track JNI method hooks 2021-01-10 05:07:17 -08:00
topjohnwu
da723b207a Allow 3rd party code to load pre-specializing
Magisk's policy is to never allow 3rd party code to be loaded in the
zygote daemon process so we have 100% control over injection and hiding.
However, this makes it impossible for 3rd party modules to run anything
before process specialization, which includes the ability to modify the
arguments being sent to these original nativeForkAndXXX methods.

The trick here is to fork before calling the original nativeForkAndXXX
methods, and hook `fork` in libandroid_runtime.so to skip the next
invocation; basically, we're moving the responsibility of process
forking to our own hands.
2021-01-10 01:25:30 -08:00
topjohnwu
e050f77198 Don't hook SystemProperties#set
Doesn't seem necessary
2021-01-09 20:39:59 -08:00
topjohnwu
540b4b7ea9 Update pre/post hooks implementation 2021-01-09 17:41:25 -08:00
topjohnwu
bbef22daf7 More macro magic to automate more code 2021-01-09 04:28:26 -08:00
topjohnwu
9ed110c91b Add JNI hooks to critical methods 2021-01-08 05:25:44 -08:00
topjohnwu
a30d510eb1 Use xHook to hook functions in PLT 2021-01-08 00:53:24 -08:00
topjohnwu
ef98eaed8f Proper injection entry and unloading 2021-01-06 23:59:05 -08:00
topjohnwu
2a257f327c Sanitize /proc/PID/environ 2021-01-06 23:41:37 -08:00
topjohnwu
4060c2107c Add preliminary zygote code injection support
Prototyping the injection setup and a clean "self unloading" mechanism.
2021-01-06 22:21:17 -08:00
topjohnwu
cd23d27048 Fix remote_write implementation 2021-01-06 21:56:29 -08:00
topjohnwu
18b86e4fd2 Update Android.mk for test binary
Make Android Studio happy
2021-01-05 00:01:02 -08:00
topjohnwu
5f2e22a259 Support remote function call with ptrace
End up not used for anything, but keep it for good
2021-01-02 21:29:45 -08:00
topjohnwu
4e97b18977 Move libsystemproperties to external 2020-12-31 15:06:19 -08:00
topjohnwu
f9bde347bc Convert indentation to spaces
The tab war is lost
2020-12-30 22:11:24 -08:00
Billy Laws
947a7d6a2f Support rootwait cmdline parameter on legacy SAR
On devices where the primary storage is slow to probe it makes sense to
wait forever for the system partition to mount, this emulates the
kernel's behaviour when waiting for rootfs on SAR if the rootwait
parameter is supplied.

This issue was encountered with some SD cards on the Nintendo Switch.
2020-12-30 16:43:28 -08:00
topjohnwu
79fa0d3a90 Hide selection improvements 2020-12-30 16:40:22 -08:00
topjohnwu
8e61080a4a Preparation for hiding isolated processes 2020-12-30 15:55:53 -08:00
topjohnwu
db4f78d463 Unblock signals before executing commands 2020-12-27 15:05:39 -08:00
vvb2060
c5b452f369 Get boot config properly
https://android.googlesource.com/platform/system/core/+/refs/tags/android-11.0.0_r16/fs_mgr/fs_mgr_boot_config.cpp#93
2020-12-19 15:55:33 -08:00
topjohnwu
eee7f097e3 Make post-fs-data scripts block at most 35 secs 2020-12-17 16:54:53 -08:00
topjohnwu
086059ec30 Make sure boot stages are mutually exclusive 2020-12-15 03:40:37 -08:00
topjohnwu
7ff22c68c7 Only try to install APK when no manager is active 2020-12-09 02:15:16 -08:00
topjohnwu
0c28b23224 Fix install_module command 2020-12-09 00:37:15 -08:00
topjohnwu
c62dfc1bcc Make logging less error prone 2020-12-06 23:09:24 -08:00
topjohnwu
aabe2696fe Cleanup implementations 2020-12-06 03:07:47 -08:00
topjohnwu
ae0d605310 Make sure patch_rootdir does not cause crashes 2020-12-06 02:19:57 -08:00
topjohnwu
2a694596b5 Better error handling and logging 2020-12-05 10:23:49 -08:00
topjohnwu
ff0a76606e Detect 2SI after system_root mount on legacy SAR 2020-12-04 03:06:21 -08:00
topjohnwu
dead74801d Setup log file when manually starting daemon 2020-12-04 01:07:47 -08:00
topjohnwu
ab207a1bb3 va_list cannot be reused on x86 2020-12-03 20:53:19 -08:00
topjohnwu
f152e8c33d Directly log to log file 2020-12-03 20:15:18 -08:00