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1225 Commits

Author SHA1 Message Date
topjohnwu
be7586137c Reduce C++ wizardry 2022-03-01 03:15:38 -08:00
LoveSy
7999b66c3c Refactor daemon connection 2022-03-01 03:15:38 -08:00
vvb2060
c82a46c1ee Check property before switch mem cgroup 2022-02-28 23:27:23 -08:00
vvb2060
666ab1941f Fix app request fifo wait 2022-02-28 23:26:59 -08:00
topjohnwu
e7c82f20e3 Directly use getrandom system call if possible 2022-02-16 23:57:28 -08:00
LoveSy
afa771a980 Set dlopen reserved size to unlimited 2022-02-16 23:05:17 -08:00
topjohnwu
4c80808997 Check packages.xml inode to trigger app rescan 2022-02-14 02:57:33 -08:00
topjohnwu
d021bca6ef Prevent app_process from setting umask 
Fix #5435
 2022-02-11 01:26:24 -08:00
topjohnwu
55ed6109c1 Use dynamic_bitset.emplace_back() 2022-02-11 01:10:26 -08:00
LoveSy
88e8f2bf83
Proper escape : and \ when binding intent 2022-02-11 01:07:28 -08:00
topjohnwu
605eae21bc Remove unnecessary read/write 
Close #5425
 2022-02-11 00:24:12 -08:00
topjohnwu
93eb277a88 Update error messages 2022-02-11 00:01:51 -08:00
LoveSy
8edf556c9e Fix lz4_lg compress 2022-02-10 23:50:19 -08:00
topjohnwu
7fcb63230f Support lz4_legacy archive with multiple magic 
Multiple lz4_legacy archives can be directly concatenated
 2022-02-10 23:49:17 -08:00
canyie
ebb0ec6c42 Make xmmap() returns nullptr when fails 
In the constructor of mmap_data, there are two possible values when fails: nullptr if fstat() fails, and MAP_FAILED if mmap() fails, but mmap_data treated MAP_FAILED as valid address and crashes.
 2022-02-08 00:49:47 -08:00
LoveSy
188546515c
Fix UID tracking 2022-02-08 00:49:22 -08:00
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 4dfb193d10f24fbc96a88c1d13821f471621ba81.
 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