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938 Commits

Author SHA1 Message Date
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
topjohnwu
797ba4fbf4 Make sure all logging ends with newline 2020-12-02 00:55:22 -08:00
topjohnwu
552ec1eb35 Header v3 does not have name entry 2020-11-20 22:52:09 -08:00
topjohnwu
0064b01ae0 Trim out \r from string 
Fix #3490
 2020-11-15 06:30:29 -08:00
topjohnwu
e0afbb647b Minor changes 2020-11-13 02:31:54 -08:00
topjohnwu
f9c7a4c933 Redirect /data/adb/magisk/busybox 
Workaround some stupid Samsung kernel restrictions
 2020-11-11 02:26:07 -08:00
topjohnwu
2b759b84b0 Properly reset string 2020-11-09 21:17:21 -08:00
topjohnwu
1e45c63ea5 Scan for zygote periodically 
Fix #3417
 2020-11-08 03:44:43 -08:00
topjohnwu
b14a260827 Offset pid_set by 1 
PID starts at 1, not 0
 2020-11-08 02:12:35 -08:00
topjohnwu
ade1597e03 Support hiding apps not installed in main user 
Fix #2181, close #1840
 2020-11-08 01:53:18 -08:00
topjohnwu
afebe734b8 Fix several things regarding scripting 2020-11-07 14:36:13 -08:00
topjohnwu
e21a78164e Properly handle factory resets 
Close #3345
 2020-11-04 04:50:04 -08:00
topjohnwu
1e0f96d0fd Prefer platform implementation over internal 2020-11-04 04:42:02 -08:00
topjohnwu
bf650332d8 Update nanopb 2020-11-04 01:56:49 -08:00
topjohnwu
f32e0af830 Update resetprop help msg 2020-11-03 01:21:05 -08:00
topjohnwu
4c94f90e5d Templatize function callbacks 2020-11-03 01:16:55 -08:00
topjohnwu
ffb4224640 Don't use reserved symbols 2020-11-03 01:12:33 -08:00
topjohnwu
89fff4830b Mount proper system_root mirror in magiskd 2020-11-03 00:37:08 -08:00
topjohnwu
16e4c67992 Significantly broaden sepolicy.rule compatibility 
Previously, Magisk uses persist or cache for storing modules' custom
sepolicy rules. In this commit, we significantly broaden its
compatibility and also prevent mounting errors.

The persist partition is non-standard and also critical for Snapdragon
devices, so we prefer not to use it by default.

We will go through the following logic to find the best suitable
non-volatile, writable location to store and load sepolicy.rule files:

Unencrypted data -> FBE data unencrypted dir -> cache -> metadata -> persist

This should cover almost all possible cases: very old devices have
cache partitions; newer devices will use FBE; latest devices will use
metadata FBE (which guarantees a metadata parition); and finally,
all Snapdragon devices have the persist partition (as a last resort).

Fix #3179
 2020-11-02 23:20:38 -08:00
topjohnwu
0feab753fb Fix coding errors and minor changes 2020-10-28 04:17:34 -07:00
Leorize
d0b6318b90 init/mount: support for dm-verity verified root 
This commit adds support for kernel initialized dm-verity on legacy SAR
devices.

Tested on a Pixel 2 XL with a kernel patch to initialize mappings
specified via the `dm=` kernel parameter even when an initramfs is used.
 2020-10-27 03:47:50 -07:00
topjohnwu
966e23b846 magiskinit code tidy-up 2020-10-26 20:46:15 -07:00
topjohnwu
5b8a1fc2a7 Minor renames 2020-10-25 21:41:14 -07:00
topjohnwu
02ea3ca525 Headers doesn't always occupy 1 page 2020-10-25 06:25:42 -07:00
topjohnwu
0632b146b8 Add vendor boot image support to magiskboot 2020-10-25 06:09:36 -07:00
topjohnwu
1b0b180761 Fix COMPRESSED macro 
Fix #3383
 2020-10-25 05:10:19 -07:00
topjohnwu
aaaaa3d044 Minor refactoring 2020-10-15 00:19:11 -07:00
topjohnwu
1edc4449d5 Update lz4 to v1.9.2 
Close #3334
 2020-10-15 00:04:48 -07:00
topjohnwu
f3cd4da026 Make lz4_lg an exception of lz4_legacy 2020-10-14 23:45:06 -07:00
vvb2060
872c55207c Add com.android.i18n to apex path 2020-10-12 01:59:41 -07:00
topjohnwu
339ca6d666 Improve magiskboot info logging 2020-10-12 01:55:33 -07:00
topjohnwu
4aeac3b8f4 Support header_version 3 2020-10-12 01:06:42 -07:00
topjohnwu
d625beb7f3 Update --remove-modules implementation 2020-10-11 18:30:03 -07:00
topjohnwu
0499588107 Support androidboot.fstab_suffix cmdline flag 
Fix #3187
 2020-10-08 03:04:12 -07:00
topjohnwu
8b5652ced5 Skip image padding on Pixel C 2020-09-29 02:49:10 -07:00
topjohnwu
6abd9aa8a4 Add new --install-module command 
Close #2253
 2020-09-26 16:50:41 -07:00
topjohnwu
c91ebfbcc1 Pad images to original sizes with zero 
Close #2005
 2020-09-26 14:36:57 -07:00
topjohnwu
4fd04e62af Remove compressed ramdisk support 
It is causing more issues than it addresses
 2020-09-24 02:49:09 -07:00
topjohnwu
17b5291bbb Fix Android 8.0 selinux rules 2020-09-20 14:39:11 -07:00
topjohnwu
30e45f863d Remove unnecessary workaround 2020-09-10 01:01:51 -07:00
topjohnwu
434efec860 Use FIFO for su request communication 
Fix #3159
 2020-09-10 00:38:29 -07:00
topjohnwu
c3586fe0a5 Upstream external/selinux 
Fix #2645
 2020-09-04 19:20:08 -07:00
topjohnwu
11f254e5e5 Fix SELinux support for Android 8.0 - 10 
Fix #3139
 2020-09-04 14:42:09 -07:00
topjohnwu
c61ec2465f Rename function to be more descriptive 2020-09-04 06:21:25 -07:00
topjohnwu
fd5ad91d26 Proper 2SI detection 2020-09-04 06:06:03 -07:00
topjohnwu
5c4c391f94 Fix typo causing rootfs device bootloops 
Fix #3134
 2020-09-04 04:43:46 -07:00
topjohnwu
4dacffd7a1 Fix some issues with selinux rules 2020-09-04 00:03:24 -07:00
topjohnwu
61599059d5 Fix typo for SAR first stage init 2020-09-03 19:17:25 -07:00
topjohnwu
f32a29911b Properly detect 2SI init 
Fix #2994
 2020-09-02 21:20:15 -07:00
topjohnwu
b73d5753f2 Minor code cleanups 2020-09-02 02:49:32 -07:00
Simon Shi
2eee335b5f Track more sepolicy cil files. 
Reference: https://android.googlesource.com/platform/system/core/+/refs/tags/android-r-beta-3/init/selinux.cpp
 2020-08-31 21:38:55 -07:00
vvb2060
e458215f27 Let isolation namespace base on app namespace 2020-08-08 05:21:03 -07:00