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e8ba671fc26fb50d73af8bbc6830cd45f47297cf
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887 Commits

Author SHA1 Message Date
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