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1409 Commits

Author SHA1 Message Date
topjohnwu
c8990b0f68 Rewrite UID tracking 2022-02-07 02:46:47 -08:00
topjohnwu
3145e67feb Update data structure 2022-02-07 00:17:07 -08:00
topjohnwu
a7392ed3d7 Fix MULTIUSER_MODE_OWNER_MANAGED 2022-02-06 06:46:09 -08:00
topjohnwu
a4f97fa151 Fix buffer overflow in connect.cpp 2022-02-06 05:52:11 -08:00
LoveSy
ff7ac582f0
Refactor Zygisk loading 
Co-authored-by: topjohnwu <topjohnwu@gmail.com>
 2022-02-06 00:27:31 -08:00
LoveSy
d2c2456fbe
Don't use getmntent_r from system's libc 
Fix #5354

Co-authored-by: topjohnwu <topjohnwu@gmail.com>
 2022-02-04 23:19:12 -08:00
LoveSy
e9f562a8b7 Fix abuse of fdopendir 
After `fdopendir`, the fd is no longer usable. Should dup and
make use of RAII

Co-authored-by: 残页 <31466456+canyie@users.noreply.github.com>
 2022-02-04 22:54:34 -08:00
残页
79620c97d1
Invalidate Samsung's persist.sys.zygote.early 
Samsung FDE devices with the "persist.sys.zygote.early=true" property will cause Zygote to start before post-fs-data. According to Magisk's document, the post-fs-data phase should always happen before Zygote is started. Features assuming this behavior (like Zygisk and modules that need to control zygote) will not work. To avoid breaking existing modules, we simply invalidate this property to prevent this non-standard behavior from happening

Fix #5299, fix #5328, fix #5308

Co-authored-by: LoveSy <shana@zju.edu.cn>
 2022-02-03 00:46:52 -08:00
topjohnwu
7f65f7d3ca Separate libc.a hacks into its own component 2022-01-31 02:09:08 -08:00
topjohnwu
9fa096c6f4 Add runtime FORTIFY support 
Gingerbread libc.a missing symbols
 2022-01-31 01:49:37 -08:00
LoveSy
70415a396a Do not filter uid == 1000 for process info 2022-01-30 08:25:24 -08:00
topjohnwu
3bf47a6838 Update selinux 2022-01-30 08:18:04 -08:00
topjohnwu
d3d28f0623 Update to NDK r23b 
Credits: @yujincheng08

Close #5193
 2022-01-30 07:11:51 -08:00
topjohnwu
06531f6d06 Add annotations to suppress warnings 2022-01-25 04:16:14 -08:00
topjohnwu
2b303a7e23 Add a missing busybox patch back 
Hopefully, fix #4174
 2022-01-25 03:37:59 -08:00
topjohnwu
45483fde74 Update CLI usages 2022-01-25 02:04:15 -08:00
topjohnwu
2fe3082518 Update busybox 2022-01-24 23:20:36 -08:00
topjohnwu
5a889d28c8 Pick a more reasonable zopfli config 
Close #4980
 2022-01-24 23:07:49 -08:00
topjohnwu
c6dcff0ae7 Minor dynamic_bitset changes 2022-01-24 22:30:19 -08:00
LoveSy
02dd962601 Don't load zygisk module for magisk app 2022-01-24 03:05:12 -08:00
topjohnwu
cbe97cdfde Fix dynamic_bitset implementation 2022-01-23 04:39:00 -08:00
topjohnwu
407dfc7547 Always write 0 to fd 2022-01-23 04:19:07 -08:00
topjohnwu
fbe17dde03 Add flag for unloaded Zygisk modules 2022-01-21 05:37:47 -08:00
John Wu
c826318da4 Update CLI usage text 2022-01-20 01:59:01 -08:00
LoveSy
6582a4abd9 Make magiskpolicy supports multiple --apply 2022-01-20 01:59:01 -08:00
topjohnwu
195d885887 Reduce log spamming 2022-01-20 00:18:46 -08:00
topjohnwu
519bd2f30f Disable AVD hacks by default 2022-01-19 20:28:01 -08:00
topjohnwu
20ef724fad Add new build command avd_patch 2022-01-19 05:12:11 -08:00
vvb2060
f443cbaa2b Revert "Always run non disabled module post-fs-data scripts" 
This reverts commit 4dfb193d10.
 2022-01-18 04:48:47 -08:00
topjohnwu
bb7a74e4b4 Add Zygisk API getFlags() 2022-01-17 19:54:33 -08:00
topjohnwu
76ddfeb93a Allow modifying denylist without enforcement 2022-01-15 23:46:22 -08:00
LoveSy
c38b826abf Skip overlayfs for post-fs-data mount 
adb remount will introduce overlayfs for /system and /vendor, we should
skip mounting as overlayfs. This also helps us support overlayfs Magisk
later.
 2022-01-14 03:42:37 -08:00
topjohnwu
21d7db0959 Add new Zygisk API to get module dir 2022-01-14 03:10:02 -08:00
LoveSy
b2cd24ed1b Fix an UB when cil compile error 2022-01-11 03:01:27 -08:00
topjohnwu
f4926cb822 Small refactoring 2022-01-02 16:09:03 -08:00
topjohnwu
1e77e0862a Separate fstab finding to its own function 2022-01-02 15:49:12 -08:00
topjohnwu
8c696cb8ca Minor code refactoring 2021-12-28 23:37:06 -08:00
LoveSy
62ef8ade8f
Skip loading Magisk when detecting DSU 
Fix #4402

Co-authored-by: topjohnwu <topjohnwu@gmail.com>
 2021-12-28 21:04:09 -08:00
LoveSy
3d88dd3123 Update dtc to fix a UB 
See https://github.com/dgibson/dtc/pull/65
 2021-12-28 17:18:32 -08:00
残页
880b348ce6 Add an old cgroup path 
Fix topjohnwu#5125
cgroup root path might be mem cgroup instead of acct, especially on low-ram devices.
bc131c3244%5E%21/#F0
 2021-12-28 17:12:15 -08:00
LoveSy
19182ffddf If dt fstab contains error, fallback to default fstab 
See https://cs.android.com/android/platform/superproject/+/master:system/core/init/first_stage_mount.cpp;drc=master;l=155

From the source of `FirstStageMount`, dt fstab can fail gracefully and
if any error occurs it will fall back to default fstab. Magisk now
replaces the default fstab and dt fstab unconditionally, bringing potential
errors to the default fstab and causing init fails to load partitions.
 2021-12-28 17:10:52 -08:00
topjohnwu
f4ed6274a4 Invert vbmeta header patching config 
vbmeta header should not be patched in most cases
 2021-12-14 04:52:25 -08:00
LoveSy
56eb1a1cf9 Load fstab from system/etc 
Caused by this commit: e98afa2687

Fix #5057
 2021-12-14 03:51:55 -08:00
LoveSy
a7c156a9e3
Further fix oplus.fstab support 
* Further fix `oplus.fstab` support

In some oneplus devices, `oplus.fstab` does exists but `init` never
loaded it and those entries in `oplus.fstab` are written directly to
`fstab.qcom`. Previous implementation will introduce duplicate entries
to `fstab.qcom` and brick the device. This commit filters those entries
from `oplus.fstab` that are already in `fstab.qcom` and further filters
duplicated entries in `oplus.fstab` (keep only the last entry).

Fix #5016

* Fix UB

Since we moved entry, we need to explicitly copy its member.
For c++23 we can use `auto{}`.
 2021-12-14 03:40:23 -08:00
残页
b5d80a88d1 Only care about mount namespace isolating 2021-12-14 03:08:55 -08:00
LoveSy
87c2f6ad14
xhook_clear after xhook_refresh 2021-12-14 03:06:57 -08:00
topjohnwu
e097c097fe Rename persist_properties.cpp -> persist.cpp 2021-11-30 01:58:31 -08:00
topjohnwu
1443a5b175 Use mmap_data more widely 2021-11-30 01:50:55 -08:00
topjohnwu
2d82ad93dd Macro -> template 2021-11-29 19:56:37 -08:00
topjohnwu
0a28dfe1e2 AVB blobs expect to be 4096-byte aligned 2021-11-28 13:21:05 -08:00
topjohnwu
228570640e Introduce KEEPVBMETAFLAG env variable 
Close #4447, close #4906, close #4901, close #4964
 2021-11-23 22:14:12 -08:00
topjohnwu
65a79610aa Fix crash and warnings 2021-11-23 18:46:06 -08:00
topjohnwu
24984ea4f2 Optimize stream for full-file writes 2021-11-23 18:08:14 -08:00
topjohnwu
048b2af0fc Improve zopfli encoder 
Write in chunks for CLI compression
 2021-11-23 16:50:08 -08:00
topjohnwu
449989ddd9 Always use zopfli for zImage compression 2021-11-23 14:24:05 -08:00
topjohnwu
01ebe5724a Cleanup zImage parsing code 2021-11-23 13:39:15 -08:00
topjohnwu
95fb230b8c Update to BusyBox 1.34.1 2021-11-22 19:46:52 -08:00
topjohnwu
632971af15 Properly support v4 image headers 2021-11-21 06:07:21 -08:00
topjohnwu
5787aa1078 Stream should always write all bytes 2021-11-21 06:05:59 -08:00
topjohnwu
d8b9265484 Pull out buffer-chunk logic into separate class 2021-11-21 06:05:55 -08:00
topjohnwu
9ea3169ca9 Do not allow modifying page sizes 2021-11-20 22:51:22 -08:00
topjohnwu
aebf2672cd Fix unpacking vendor boot images 2021-11-20 22:44:38 -08:00
topjohnwu
fef44bd24f Allow boot scripts to know Zygisk status 2021-11-20 13:05:15 -08:00
topjohnwu
4dfb193d10 Always run non disabled module post-fs-data scripts 2021-11-16 21:29:13 -08:00
vvb2060
d4ac458d17 Ignore zygisk modules when zygisk is not enabled 2021-11-16 21:14:35 -08:00
topjohnwu
e1b63d7dec Initialize mt19937 statically in function 
This reduces startup time
 2021-11-16 03:20:07 -08:00
topjohnwu
4b5651bd6f Revert logging after pre specialize 2021-11-16 03:12:01 -08:00
topjohnwu
50515d9128 Close unclosed fds from modules 2021-11-16 01:59:45 -08:00
topjohnwu
6935033db5 Prevent dangling pointers 2021-11-12 02:02:05 -08:00
topjohnwu
421277d730 Prevent race conditions in connect_companion 2021-11-12 01:55:55 -08:00
topjohnwu
56988944b5 No need to dup fd 2021-11-12 01:54:48 -08:00
topjohnwu
528601d25a Fix integer overflow and workaround seccomp 
- Use ftruncate64 instead of ftruncate to workaround seccomp
- Cast uint32_t to off64_t before making it negative

Note: Using ftruncate with a modern NDK libc should actually be
fine as the syscall wrapper in bionic will use ftruncate64 internally.
However, since we are using the libc.a from r10e built for Gingerbread,
seccomp wasn't a thing back then, and also the ftruncate64 symbol is
missing; we have to create our own wrapper and call it instead on
32-bit ABIs.

Props to @jnotuo for discovering the overflow bug and seccomp issue

Fix #3703, close #4915
 2021-11-10 03:07:20 -08:00
topjohnwu
b8c1588284 Always unload zygisk after specialize 2021-11-07 13:05:44 -08:00
Chaosmaster
16322ab30c Use full gzip-signature to find gzip-data. 
Fall back to raw image if gzip is not found.

Fixes #4849
 2021-11-03 22:23:21 -07:00
Chaosmaster
5682917356 Speed up zopfli compression 
See #4810 for example
 2021-11-03 22:22:29 -07:00
LoveSy
c91ccc8b4e Fix UB on dtb 
`operator==` of string_view will create a tmp `string_view`.
It's an UB if the `const char *` is a nullptr.
`fdt_get_name` however will return a nullptr.
 2021-11-03 22:21:48 -07:00
topjohnwu
63f670fc36 Move first stage unload before fork 2021-11-02 21:53:33 -07:00
LoveSy
e20b07fa24 Fix #4853 2021-11-02 19:31:17 -07:00
topjohnwu
d232cba02d Fix first stage unload 2021-11-02 04:12:56 -07:00
topjohnwu
48df6b8485 Use memmem instead of strstr 
It might not be null terminated
 2021-10-31 11:46:56 -07:00
Nullptr
e34e04af04 Make Api functions inline 
Make Api functions inline to avoid duplicate symbols when including api.hpp in multiple cpps
 2021-10-31 10:55:41 -07:00
topjohnwu
84e19ceef0 Tidy up bootimg.h 
Close #4796
 2021-10-31 10:52:12 -07:00
Chris Renshaw
59161efd08 Support Samsung 2SI with skip_initramfs in dtb cmdline 
Samsung Galaxy A21S and Galaxy M12, probably others, are hdr_v2 boot.img with 2SI judging by the ramdisk contents, but the dtb contains an extra cmdline with skip_initramfs present, even though this shouldn't exist on 2SI and the kernel apparently doesn't even contain a skip_initramfs function

I can't find examples of other devices where skip_initramfs is present in the dtb other than these so patch it out like we do the kernel

Co-authored-by: topjohnwu <topjohnwu@gmail.com>
 2021-10-30 21:20:10 -07:00
Chris Renshaw
6663fd3526
Support custom legacy Sony devices with init.real setup 
Custom ROM bring-ups of legacy Sony devices contain the following:
/init (symlink to /bin/init_sony)
/init.real (the "real" Android init)
/bin/init_sony (this was /sbin/init_sony on Android <11)

Kernel loads the ramdisk and starts /init -> /bin/init_sony
/bin/init_sony does low-level device setup (see: https://github.com/LineageOS/android_device_sony_common/blob/lineage-18.1/init/init_main.cpp)
/bin/init_sony unlinks /init and renames /init.real to /init
/bin/init_sony starts /init

Since init_sony needs to run first magiskinit needs to replace init.real instead, so add workarounds based on detection of init.real to boot patcher and uninstaller

Thanks @115ek and @bleckdeth

Fixes #3636

Co-authored-by: topjohnwu <topjohnwu@gmail.com>
 2021-10-30 18:59:20 -07:00
topjohnwu
2c44e1bb93 Update rules again 2021-10-29 03:37:14 -07:00
残页
e3f6399473 Don't use xwrite() when patching legacy rootfs init 
Fix topjohnwu#4810
> [    2.927463]  [1:           init:    1] magiskinit: Replace [/system/etc/selinux/plat_sepolicy.cil] -> [xxx]
[    2.936801]  [1:           init:    1] magiskinit: write failed with 14: Bad address

Since topjohnwu#4596, magisk fails to patch `/init`, xwrite() fails with EFAULT, break the original `/init` file and make the device unbootable. Reverting this commit for legacy rootfs devices fixes the problem. I think this is a Samsung kernel magic since currently I can't reproduce this on other devices or find something special in the log currently we have.
 2021-10-29 03:23:34 -07:00
残页
89c2c21774
Fix init.rc path detection 
Fix #4319
Some devices store init.rc into the new path but still have the legacy /init.rc file
 2021-10-29 03:21:20 -07:00
残页
a170acb9d7 Fix compilation when init debug toggle enabled 2021-10-29 03:15:16 -07:00
vvb2060
6a086bb222 Load *_compat_cil_file from system_ext 
https://android-review.googlesource.com/c/platform/system/core/+/1650271
 2021-10-29 03:14:26 -07:00
vvb2060
b2f152e641 realpath /proc/pid/cwd 
prevent cross mount namespace
 2021-10-29 03:13:20 -07:00
topjohnwu
6c5b261804 Update spolicy rules 2021-10-29 03:12:48 -07:00
topjohnwu
8bd0c44e83 Replace module fd with memfd if possible 2021-10-28 00:26:18 -07:00
topjohnwu
34c36984e9 Stop extreme verbose logging 2021-10-27 04:00:40 -07:00
topjohnwu
8bd6aca0dd DenyList unmount without magiskd 2021-10-27 04:00:40 -07:00
topjohnwu
983b74be77 Pass MAGISKTMP over to zygote 2021-10-27 03:25:54 -07:00
topjohnwu
ea75a09f95 Make zygisk survive zygote restarts 
Close #4777
 2021-10-27 01:53:16 -07:00
LoveSy
4c747c4148 Add rule: allow * magisk_file lnk_file { * } 2021-10-26 00:41:04 -07:00
LoveSy
49abfcafed Fix nullptr dereference when env abnormal 2021-10-26 00:40:00 -07:00
topjohnwu
50710c72ad Cleanup magiskinit code 2021-10-26 00:35:55 -07:00
vvb2060
2e299b3814 Add an old cgroup v2 path 
https://android-review.googlesource.com/c/platform/system/core/+/1324649
 2021-10-25 20:54:19 -07:00
vvb2060
3599384b38 Allow fallback to /dev/pts 2021-10-23 23:31:44 -07:00
topjohnwu
4b307cad2c Random minor changes 2021-10-23 22:20:07 -07:00
topjohnwu
7496d51580 Make zygiskd ABI aware 2021-10-23 14:38:30 -07:00
topjohnwu
4194ac894c Support setting more options 2021-10-21 03:20:04 -07:00
topjohnwu
ffb5d9ea9c Update libcxx 2021-10-21 02:08:13 -07:00
topjohnwu
770b28ca30 Build on API 21 headers 2021-10-20 03:17:42 -07:00
topjohnwu
8d0dc37ec0 Use SO_PEERSEC to get client secontext 2021-10-19 23:46:38 -07:00
topjohnwu
fe41df87bb pthread_cond_signal might wake multiple threads 
Close #4759
 2021-10-19 21:32:37 -07:00
topjohnwu
8276a0775d Fix API doc 2021-10-17 05:42:33 -07:00
LoveSy
abfb3bb3bb
Fix always log hook fails 2021-10-17 05:00:31 -07:00
LoveSy
e184eb4a23 Fix UB of loading modules 
- The lambda here infers its return type as `std::string`,
  and since `info` is `const`, the labmda copies `info.name`
  and returns a `std::string&&`. After captured by the
  `std::string_view`, the `std::string&&` return value
  deconstructs and makes `std::string_view` refers to a
  dangling pointer.
 2021-10-17 04:38:56 -07:00
topjohnwu
d0fc372ecd Implement Zygisk companion process 2021-10-17 04:36:18 -07:00
topjohnwu
6f54c57647 Allow fork in thread pool 2021-10-17 04:24:25 -07:00
topjohnwu
e8ae103d5f Update jni hooks 2021-10-14 02:43:56 -07:00
topjohnwu
b0198dab6c Update Zygisk logging 2021-10-14 02:13:23 -07:00
topjohnwu
b75ec09998 Load Zygisk modules even if no magic mount is needed 
Close #4767
 2021-10-14 01:35:29 -07:00
topjohnwu
c8ac6c07b0 Load Zygisk modules 2021-10-13 04:52:02 -07:00
topjohnwu
27814e3015 Minor Zygisk API changes 2021-10-09 11:53:40 -07:00
topjohnwu
f59309a445 Minor changes 2021-10-09 11:36:01 -07:00
vvb2060
b0292d7319 Add execmem to allow hook 2021-10-09 02:59:03 -07:00
topjohnwu
7f18616cc0 Prune unused nodes from trie 2021-10-09 02:15:03 -07:00
topjohnwu
2fef98a5af Wipe out prop_info data after delete 2021-10-09 00:27:11 -07:00
topjohnwu
36765caedc Fix thread pool implementation 
Close #4759
 2021-10-08 23:28:14 -07:00
topjohnwu
f7aed10ea2 Fix friend template function 2021-10-08 19:17:31 -07:00
topjohnwu
410bbb8285 Update Zygisk APIs 2021-10-05 22:42:55 -07:00
topjohnwu
f56ea52932 Add public Zygisk API 
Still WIP
 2021-10-05 03:53:22 -07:00
vvb2060
cb4361b7b7 Fix terminal on android 8 
No need to handle untrusted_app_all_devpts on modern devices, but devpts policy is different for older devices.
 2021-09-25 12:08:35 -07:00
vvb2060
ecd332c573 Close fd 2021-09-25 12:07:52 -07:00
topjohnwu
f642fb3b99 Properly handle child zygote 
Close #4720
 2021-09-24 01:23:58 -07:00
topjohnwu
e68dd866a3 Only create app_id_map if necessary 2021-09-24 00:22:19 -07:00
topjohnwu
73d36fdff0 Riru and its modules are not compatible with zygisk 2021-09-23 23:54:46 -07:00
vvb2060
d20517483e Prevent multiple mounts of devpts 2021-09-23 02:40:24 -07:00
topjohnwu
f3d39e7515 Update BusyBox 
Fix #4657, close #4602
 2021-09-23 02:31:42 -07:00
残页
61783ffc82 Prevent original libselinux.so to be unmounted 
libselinux.so will be unmounted when magiskd starts. If magiskd restarts (like it died before boot completed), the files we want to unmount is the original files because the modified files is unmounted in previous start, which will causes many crashes due to missing libselinux.so.
 2021-09-22 19:34:44 -07:00
topjohnwu
05c4ad01d5 Move first stage unload into second stage 2021-09-22 19:33:08 -07:00
topjohnwu
12647dcf30 Improve memory map tricks 
- In `unmap_all`, replace readable pages atomically with mmap + mremap
- Create new function `remap_all` to replace pages with equivalent
  anonymous copies to prevent simple maps name scanning
 2021-09-22 19:14:05 -07:00
topjohnwu
da38f59e62 Only run destructor if necessary 2021-09-22 02:52:33 -07:00
topjohnwu
cf4ef54dc5 Unload first stage on main thread 2021-09-22 02:46:07 -07:00
topjohnwu
12e9873514 Update zygisk entry implementation 2021-09-22 00:14:22 -07:00
RikkaW
f7c0e407ca Fix downgrade database 2021-09-20 05:50:34 -07:00
topjohnwu
82c7662cdf Cache Magisk app ID for performance 2021-09-20 05:47:15 -07:00
topjohnwu
4f0bced53e Track app ID instead of UID 2021-09-20 05:08:25 -07:00
topjohnwu
f1b6c9f4aa Refresh uid_map on package.xml change 2021-09-20 04:42:06 -07:00
topjohnwu
0ab31ab0df Fix log writer 2021-09-19 13:41:45 -07:00
topjohnwu
46e8f0779f Move denylist code into zygisk 2021-09-18 14:50:11 -07:00
topjohnwu
3fb72a4d20 Support polling on multiple fds 2021-09-18 14:40:12 -07:00
topjohnwu
db20f65d7c On denylist != do unmount 2021-09-18 12:44:42 -07:00
topjohnwu
63cfe7b47b Make sanitize_environ work properly 2021-09-18 05:11:10 -07:00
topjohnwu
db590091b3 Propagate Zygisk state to Magisk app 2021-09-18 02:38:53 -07:00
topjohnwu
7b25e74418 Simplify get manager app info logic 2021-09-17 02:07:32 -07:00
topjohnwu
706a492218 Update denylist config implementation 2021-09-16 05:27:34 -07:00
topjohnwu
c0be5383de Support enable/disable Zygisk 2021-09-15 02:49:54 -07:00
topjohnwu
3b8ce85092 Enable Zygisk 2021-09-15 01:59:43 -07:00
topjohnwu
65b0ea792e MagiskHide is no more 2021-09-12 12:40:34 -07:00
topjohnwu
24a8b41182 Fix indentation 2021-09-09 01:37:49 -07:00
vvb2060
810cf4dee8 Move config to buildSrc 2021-09-09 01:37:20 -07:00
topjohnwu
de2306bd12 Proper incremental builds 
Auto generate flag.h for precise rebuilding
 2021-09-07 19:35:28 -07:00
topjohnwu
f8f8c28fec Switch zopfli to official repo 2021-09-03 10:39:23 -07:00
vvb2060
f497867ba5 Update submodules 2021-09-03 10:24:33 -07:00
残页
c0a2e3674c Reset file context from adb_data_file 
In some cases (like weird ROMs that allow init to relabel context from system_file), module files will have an incorrent context, which will causes module not working properly.
See https://github.com/RikkaApps/Riru/wiki/Explanation-about-incorrect-SELinux-rules-from-third-party-ROMs-cause-Riru-not-working
 2021-09-02 21:55:08 -07:00
vvb2060
76f0602684 Make busybox cflag stable 2021-09-02 21:48:38 -07:00
vvb2060
f5c02be5bf Add new targetSdk domain 
https://android-review.googlesource.com/c/platform/system/sepolicy/+/1752122
 2021-09-02 01:48:25 -07:00
Wang Han
e990ffd4a0 Remove leftover DISABLE_ZYGISK flag 2021-09-01 20:14:53 -07:00
vvb2060
f98c68a280 Clean up unneeded rules 2021-08-29 13:03:50 -07:00
LoveSy
8079d456ab Use std::map instead 2021-08-29 03:27:15 -07:00
vvb2060
acf166cf9d Support oplus.fstab 2021-08-29 03:27:15 -07:00
vvb2060
439d497a13 boot image header v4 2021-08-29 03:14:23 -07:00
LoveSy
4bcfee397b Remove unnecessary umount 2021-08-29 02:45:49 -07:00
vvb2060
34bcb1dd26 Fix line editing on Android 8.0+ 2021-08-29 02:45:49 -07:00
LoveSy
117d1ed080 Fix always enter safe mode 
`getprop("persist.sys.safemode", true) == "1"` -> `getprop("persist.sys.safemode", true) == ""`
 2021-08-29 02:45:49 -07:00
vvb2060
f324252681 Use isolated devpts if kernel support 
kernel version >= 4.7 or CONFIG_DEVPTS_MULTIPLE_INSTANCES=y
 2021-08-29 02:45:49 -07:00
LoveSy
0dad06cdfe Fix meizu compatibility 2021-08-28 21:03:12 -07:00
LoveSy
f89f08833e Generic parsing methods 2021-08-28 20:50:17 -07:00
vvb2060
79e8962854 Support bootconfig 
https://android-review.googlesource.com/c/platform/system/core/+/1615298
 2021-08-28 20:50:17 -07:00
topjohnwu
34e5a7cd24 Zopfli is not always smaller 2021-08-28 17:16:20 -07:00
topjohnwu
7343c195b7 Cleanup compress.cpp 2021-08-28 17:01:08 -07:00
topjohnwu
0af041b54e Cleanup magiskboot code 2021-08-28 14:07:34 -07:00
Chaosmaster
92a8a3e91f Add zopfli gzip encoder for better compression 2021-08-28 11:00:30 -07:00
Chaosmaster
f41575d8b0 Add support for legacy ARM32 zImage 2021-08-28 10:53:45 -07:00
topjohnwu
6fe9b69aad Cleanup module.cpp 2021-08-28 10:27:45 -07:00
topjohnwu
5d162f81c4 Modernize db.hpp 2021-08-27 01:06:03 -07:00
topjohnwu
4771c2810b Significantly better AVD support 2021-08-26 03:09:56 -07:00
topjohnwu
0cd99712fa Implement cached thread pool 2021-08-24 02:39:54 -07:00
topjohnwu
b591af7803 Minor bug fixes 2021-08-22 03:26:48 -07:00
topjohnwu
171d68ca72 Connect to magiskd log daemon 2021-08-22 03:26:48 -07:00
topjohnwu
bade4f2c6a Make xhook log as Magisk 2021-08-22 03:26:48 -07:00
topjohnwu
5754782a4e Generalize gen_jni_hooks.py 2021-08-22 03:26:48 -07:00
topjohnwu
decdd54c19 Hook up denylist IPC routines 2021-08-22 03:26:48 -07:00
topjohnwu
ffe47300a1 Update recv/send fd function 2021-08-22 03:26:48 -07:00
topjohnwu
6f9c3c4ff3 Refactor hook.cpp 2021-08-19 01:54:12 -07:00
topjohnwu
9b3efffba9 Use magiskd to setup files 2021-08-18 03:44:32 -07:00
topjohnwu
003fea52b1 Remove all non-Magisk hiding code 
Magisk no longer interferes with any signals/info that were not created
or caused by Magisk itself.
 2021-08-18 02:01:54 -07:00
topjohnwu
2b17c77195 Make Zygisk 1st class citizen 2021-08-17 23:57:49 -07:00
topjohnwu
c252a50fd7 The name is Zygisk 2021-08-17 23:38:40 -07:00
topjohnwu
cf8f042a20 Cleanup magiskboot cpio code 2021-08-13 04:53:11 -07:00
topjohnwu
844bc2d808 Remove unused code 2021-08-13 03:30:58 -07:00
topjohnwu
27f7fa7153 Extend stream support 2021-08-13 02:08:56 -07:00
topjohnwu
b325aa4555 Fix log file writing 2021-08-13 00:13:44 -07:00
topjohnwu
c2c3bf0ba4 Don't depend on vtable ABI layout 2021-08-12 06:41:59 -07:00
topjohnwu
0d977b54f7 Revise logging code 2021-08-12 03:26:54 -07:00
topjohnwu
20860da4b4 Cleaner daemon handlers 2021-08-11 22:57:08 -07:00
topjohnwu
3ea10b7cf9 Reorganize injection code 2021-08-11 22:56:18 -07:00
topjohnwu
1ec33863bc Android 5.0 is actually supported 2021-08-11 17:14:22 -07:00
topjohnwu
a260e99090 Support code injection on Android 12 2021-08-11 00:00:21 -07:00
topjohnwu
25efdd3d6f Use code generator for jni_hooks 2021-08-02 03:20:19 -07:00
topjohnwu
00a1e18959 Store all native JNI methods in data structures 2021-08-01 14:35:16 -07:00
topjohnwu
5e1fba3603 Build a single APK for all ABIs 2021-05-13 00:21:04 -07:00
vvb2060
66cc9bc545 Pure 64bit support 2021-05-12 16:38:34 -07:00
topjohnwu
5b37de8fe5 Build our own zlib 2021-05-10 18:46:03 -07:00
topjohnwu
7df23ceb74 Prevent undefined behavior in magiskboot 2021-05-10 18:38:30 -07:00
topjohnwu
6099f3b015 Always resolve to canonical path 2021-05-10 01:14:53 -07:00
topjohnwu
775d095b3c Update busybox 
Fix #4225
 2021-05-08 16:45:31 -07:00
Wang Han
3798d50457 Kill processes with SIGKILL rather than SIGTERM 2021-05-04 22:14:46 -07:00
vvb2060
708fe514f8 Always use mirror path 2021-04-23 16:56:23 -07:00
vvb2060
f4ac7c8e7c
Ignore validating class name of isolated process name 
Fix #4176

Co-authored-by: topjohnwu <topjohnwu@gmail.com>
 2021-04-15 23:08:51 -07:00
Wang Han
44f005077d Don't copy sepolicy.rule to /persist on boot 
* This seems to be a logic that has been abandoned for a
   long time. Now we automatically choose which partition
   to store sepolicy.rule. Furthermore, touching /persist is
   what we should avoid doing whenever possible.
 2021-04-15 05:01:03 -07:00
LoveSy
013b6e68ec Fix perfect forwarding 2021-04-15 04:58:30 -07:00
LoveSy
95c964673d Initialized _root properly 
Fix #4204

`_root` is uninitialized for non-root nodes. And it will cause `module_node::mount` fail because it uses `root()`. Once the bug is triggered, signal 11 is received but Magisk catch all signals and therefore stuck forever.
 2021-04-15 04:58:30 -07:00
Wang Han
e136fb3a4f Remove outdated sepolicies 
* Support deodexed ROM: This should not be done and dexpreopt is mandatory since P
   Xposed: Xposed handles them just fine, at least in the latest version 89.3
   suMiscL6: For whatever audio mods, a leftover of phh time
   Liveboot and suBackL6: Was for CF.lumen and LiveBoot, not needed now

 * Also cleanup binder sepolicies since we allow all binder transactions.
 2021-04-09 21:34:51 -07:00
topjohnwu
01b985eded Remove more pre SDK 21 stuffs 2021-04-09 21:29:42 -07:00
Shaka Huang
3da318b48e
Fix random return value of faccessat() in x86 
faccessat() should return 0 when success, but it returns random number with errno == 0 in x86 platform.

It’s a side effect of commit bf80b08b5f when magisk binaries ‘corretly’ linked with library of API16 .. lol

Co-authored-by: John Wu <topjohnwu@gmail.com>
 2021-04-04 03:04:09 -07:00
Shaka Huang
dfe1f2c108 Call freecon() when fgetfilecon() succeeds 2021-04-04 01:58:59 -07:00
topjohnwu
7da36079c1 Always delete existing ro props at setprop 
Close #4113
 2021-03-29 04:16:18 -07:00
topjohnwu
2bef967af1 Make systemproperties more match AOSP 2021-03-29 03:46:07 -07:00
topjohnwu
7e4194418a Update libcxx 2021-03-28 04:55:56 -07:00
topjohnwu
66e30a7723 Build libc++ ourselves 2021-03-25 01:00:10 -07:00
vvb2060
8ddab84745 Don't auto hide microG 
close #3559
 2021-03-24 04:43:45 -07:00
vvb2060
6865652125 Fix process name in MagiskHide 
close #3997
 2021-03-24 04:43:45 -07:00
Shaka Huang
e3801d6965
Fix overflow 
`totalsize` might be a big (invalid) number so instead of checking the end address we check the size of the image.

Fix #4049
 2021-03-24 03:02:46 -07:00
topjohnwu
336f1687c1 Be more careful with signals 
Fix #4040
 2021-03-18 03:28:02 -07:00
vvb2060
7a007b342a Correct comment 
For file-based encryption, /data/adb is always required to encrypt
https://android.googlesource.com/platform/system/extras/+/refs/tags/android-7.0.0_r36/ext4_utils/ext4_crypt_init_extensions.cpp
68258e8444%5E%21/
 2021-03-13 21:10:02 -08:00
vvb2060
0783f3d5b6 Fix mount rules dir 
close #4006
 2021-03-13 21:10:02 -08:00
topjohnwu
82f8948fd4 Separate setting log functions and starting log daemon 2021-03-13 17:50:48 -08:00
Shaka Huang
b9cdc755d1 Returned fds[0] in socketpair() might be STDOUT 
* There will be garbage output when executing `su` (#4016)
* Failed to check root status and showing N/A in status (#4005)

Signed-off-by: Shaka Huang <shakalaca@gmail.com>
 2021-03-13 17:50:48 -08:00
topjohnwu
a6f81c66e5 Bypass stdio 2021-03-13 16:17:28 -08:00
topjohnwu
1ff45ac5f5 Proper pattern matching 
Fix #3998
 2021-03-09 04:08:34 -08:00
topjohnwu
43c1105d62 Use dedicated thread for writing logfile 2021-03-09 02:40:12 -08:00
vvb2060
b693d13b93 Proper implementation of cgroup migration 
https://www.kernel.org/doc/Documentation/admin-guide/cgroup-v1/cgroups.rst
https://www.kernel.org/doc/Documentation/admin-guide/cgroup-v2.rst
 2021-03-07 01:55:19 -08:00
topjohnwu
39982d57ef Fix logging implementation 
- Block signals in logging routine (fix #3976)
- Prevent possible deadlock after fork (stdio locks internally)
  by creating a new FILE pointer per logging call (thread/stack local)
 2021-03-06 13:55:30 -08:00
topjohnwu
851404205b Update NDK to r21e 2021-03-02 23:18:44 -08:00
topjohnwu
117ae71025 Use custom class instead of std::map 2021-03-02 23:16:10 -08:00
topjohnwu
027ec70262 Patch AVB structures 
Disable vbmeta verification in flags
 2021-03-02 20:37:37 -08:00
topjohnwu
55fdee4d65 Use memmem for searching byte patterns 2021-02-28 14:37:12 -08:00
topjohnwu
0d42f937dd Refactor magiskboot 2021-02-28 14:37:12 -08:00
vvb2060
ac8372dd26 Add cgroup2 path 
https://android-review.googlesource.com/c/platform/system/core/+/1585101
 2021-02-26 21:36:58 -08:00
Shaka Huang
ba1ce16b8b Fix error in pure 64-bit environment 
In Android S preview, there’s no 32-bit libraries in x86_64 system image for emulator.

Signed-off-by: Shaka Huang <shakalaca@gmail.com>
 2021-02-22 03:28:54 -08:00
topjohnwu
ccb55205e6 Fix pre 21 support 2021-02-20 03:38:39 -08:00
vvb2060
b76c80e2ce Fix apex path 2021-02-14 13:37:38 -08:00
topjohnwu
501bc9f438 Restore init from backup rather than symlink 
Because of course Samsung don't follow AOSP norms.
I mean, why would they?
 2021-02-13 16:43:06 -08:00
topjohnwu
2963747d14 Fix LZ4_LG format decompression 
Fix #3802, fix #3722, fix #3770, fix #3635, fix #3787, close #3812
 2021-02-07 17:40:59 -08:00
topjohnwu
f1295cb7d6 Fix root on Android 7.0 and lower 2021-01-26 02:16:11 -08:00
topjohnwu
b1dbbdef12 Remove unneeded busybox redirection 2021-01-25 00:23:42 -08:00
topjohnwu
3e479726ec Fix legacy rootfs devices 2021-01-25 00:19:10 -08:00
vvb2060
5113f6d375 Fix stop magiskhide 2021-01-23 18:13:15 -08:00
vvb2060
317336f771 Add isolated processes log 2021-01-23 17:31:11 -08:00
topjohnwu
61d52991f1 Update BusyBox 2021-01-21 00:35:22 -08:00
topjohnwu
d2bc2cfcf8 Install both 32 and 64 bit binaries 2021-01-18 12:37:08 -08:00
topjohnwu
5a71998b4e Stop embedding magisk in magiskinit 2021-01-18 04:25:26 -08:00
topjohnwu
42278f12ff Fix typo in init daemon 2021-01-18 04:13:54 -08:00
topjohnwu
79140c7636 Proper xxread and xwrite implementation 2021-01-17 01:42:45 -08:00
topjohnwu
1f4c595cd3 Revert to old su -c behavior 2021-01-16 23:59:31 -08:00
topjohnwu
67e2a4720e Fix xxread false negatives 
Fix #3710
 2021-01-16 21:43:53 -08:00
topjohnwu
f5c2d72429 Also log pid and tid 2021-01-16 16:10:47 -08:00
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