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1248 Commits

Author SHA1 Message Date
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