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kernel: Rewrite the kernel source code (#554)

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* clean unused header

* on_module_mounted in ksud.c

* refact: use app_profile

* unified hook manager

* add zygote to hook target

* move reboot hook to supercall.c

* refactor: kernel_umount setuid_hook

* update mark rules, add init mark tracker

* remove reboot from check_syscall_fastpath

* update setuid_hook, remove uneeded sucompat enable

* log freely

* kernel: Migrate kprobe hook configuration items

* kernel: fix build

* cli: add ksud debug mark

* Fix rustfmt warning

---------

Co-authored-by: Ylarod <me@ylarod.cn>
Co-authored-by: Wang Han <416810799@qq.com>
Co-authored-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>
This commit is contained in:
ShirkNeko
2025-11-09 01:14:26 +08:00
parent 678c00cad9
commit af4b502631
27 changed files with 1567 additions and 1374 deletions
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54
kernel/ksu.h
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@@ -13,12 +13,6 @@ extern bool ksu_uid_scanner_enabled;
#define EVENT_BOOT_COMPLETED 2
#define EVENT_MODULE_MOUNTED 3
#define KSU_APP_PROFILE_VER 2
#define KSU_MAX_PACKAGE_NAME 256
// NGROUPS_MAX for Linux is 65535 generally, but we only supports 32 groups.
#define KSU_MAX_GROUPS 32
#define KSU_SELINUX_DOMAIN 64
// SukiSU Ultra kernel su version full strings
#ifndef KSU_VERSION_FULL
#define KSU_VERSION_FULL "v3.x-00000000@unknown"
@@ -47,54 +41,6 @@ struct manager_list_info {
} managers[2];
};
struct root_profile {
int32_t uid;
int32_t gid;
int32_t groups_count;
int32_t groups[KSU_MAX_GROUPS];
// kernel_cap_t is u32[2] for capabilities v3
struct {
u64 effective;
u64 permitted;
u64 inheritable;
} capabilities;
char selinux_domain[KSU_SELINUX_DOMAIN];
int32_t namespaces;
};
struct non_root_profile {
bool umount_modules;
};
struct app_profile {
// It may be utilized for backward compatibility, although we have never explicitly made any promises regarding this.
u32 version;
// this is usually the package of the app, but can be other value for special apps
char key[KSU_MAX_PACKAGE_NAME];
int32_t current_uid;
bool allow_su;
union {
struct {
bool use_default;
char template_name[KSU_MAX_PACKAGE_NAME];
struct root_profile profile;
} rp_config;
struct {
bool use_default;
struct non_root_profile profile;
} nrp_config;
};
};
bool ksu_queue_work(struct work_struct *work);
static inline int startswith(char *s, char *prefix)