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fix lot (#518)

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* refact: use feature subsystem

* use 64bit feature

* fix

* add fixme

* add feature max to get_info

* use 32bit feature id

* allow root to get/set feature

* more clean perm_check functions

* fix

* add feature command to ksud

kernel: do not expose perm checker

* fix security_task_fix_setuid_handler_pre

* add android16-6.12 ci

* manager: add kernel_umount switch

Co-authored-by: YuKongA <70465933+YuKongA@users.noreply.github.com>

* manager: Reinstate the LKM selection function

* kernel: add name and print command value

- Optimise sulog log display

Co-authored-by: Ylarod <me@ylarod.cn>
Co-authored-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>

* fix

* ksud: clippy

---------

Co-authored-by: Ylarod <me@ylarod.cn>
Co-authored-by: YuKongA <70465933+YuKongA@users.noreply.github.com>
Co-authored-by: weishu <twsxtd@gmail.com>
This commit is contained in:
ShirkNeko
2025-11-03 00:07:36 +08:00
parent 589ac304d3
commit 6b62e897ce
8 changed files with 443 additions and 119 deletions
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60
kernel/supercalls.h
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@@ -18,6 +18,7 @@ struct ksu_become_daemon_cmd {
struct ksu_get_info_cmd {
__u32 version; // Output: KERNEL_SU_VERSION
__u32 flags; // Output: flags (bit 0: MODULE mode)
__u32 features; // Output: max feature ID supported
};
struct ksu_report_event_cmd {
@@ -61,12 +62,15 @@ struct ksu_set_app_profile_cmd {
struct app_profile profile; // Input: app profile structure
};
struct ksu_is_su_enabled_cmd {
__u8 enabled; // Output: true if su compat enabled
struct ksu_get_feature_cmd {
__u32 feature_id; // Input: feature ID (enum ksu_feature_id)
__u64 value; // Output: feature value/state
__u8 supported; // Output: true if feature is supported, false otherwise
};
struct ksu_enable_su_cmd {
__u8 enable; // Input: true to enable, false to disable
struct ksu_set_feature_cmd {
__u32 feature_id; // Input: feature ID (enum ksu_feature_id)
__u64 value; // Input: feature value/state to set
};
// Other command structures
@@ -97,44 +101,38 @@ struct ksu_enable_uid_scanner_cmd {
};
// IOCTL command definitions
#define KSU_IOCTL_GRANT_ROOT _IO('K', 1)
#define KSU_IOCTL_GET_INFO _IOR('K', 2, struct ksu_get_info_cmd)
#define KSU_IOCTL_REPORT_EVENT _IOW('K', 3, struct ksu_report_event_cmd)
#define KSU_IOCTL_SET_SEPOLICY _IOWR('K', 4, struct ksu_set_sepolicy_cmd)
#define KSU_IOCTL_CHECK_SAFEMODE _IOR('K', 5, struct ksu_check_safemode_cmd)
#define KSU_IOCTL_GET_ALLOW_LIST _IOWR('K', 6, struct ksu_get_allow_list_cmd)
#define KSU_IOCTL_GET_DENY_LIST _IOWR('K', 7, struct ksu_get_allow_list_cmd)
#define KSU_IOCTL_UID_GRANTED_ROOT _IOWR('K', 8, struct ksu_uid_granted_root_cmd)
#define KSU_IOCTL_UID_SHOULD_UMOUNT _IOWR('K', 9, struct ksu_uid_should_umount_cmd)
#define KSU_IOCTL_GET_MANAGER_UID _IOR('K', 10, struct ksu_get_manager_uid_cmd)
#define KSU_IOCTL_GET_APP_PROFILE _IOWR('K', 11, struct ksu_get_app_profile_cmd)
#define KSU_IOCTL_SET_APP_PROFILE _IOW('K', 12, struct ksu_set_app_profile_cmd)
#define KSU_IOCTL_IS_SU_ENABLED _IOR('K', 13, struct ksu_is_su_enabled_cmd)
#define KSU_IOCTL_ENABLE_SU _IOW('K', 14, struct ksu_enable_su_cmd)
#define KSU_IOCTL_GRANT_ROOT _IOC(_IOC_NONE, 'K', 1, 0)
#define KSU_IOCTL_GET_INFO _IOC(_IOC_READ, 'K', 2, 0)
#define KSU_IOCTL_REPORT_EVENT _IOC(_IOC_WRITE, 'K', 3, 0)
#define KSU_IOCTL_SET_SEPOLICY _IOC(_IOC_READ|_IOC_WRITE, 'K', 4, 0)
#define KSU_IOCTL_CHECK_SAFEMODE _IOC(_IOC_READ, 'K', 5, 0)
#define KSU_IOCTL_GET_ALLOW_LIST _IOC(_IOC_READ|_IOC_WRITE, 'K', 6, 0)
#define KSU_IOCTL_GET_DENY_LIST _IOC(_IOC_READ|_IOC_WRITE, 'K', 7, 0)
#define KSU_IOCTL_UID_GRANTED_ROOT _IOC(_IOC_READ|_IOC_WRITE, 'K', 8, 0)
#define KSU_IOCTL_UID_SHOULD_UMOUNT _IOC(_IOC_READ|_IOC_WRITE, 'K', 9, 0)
#define KSU_IOCTL_GET_MANAGER_UID _IOC(_IOC_READ, 'K', 10, 0)
#define KSU_IOCTL_GET_APP_PROFILE _IOC(_IOC_READ|_IOC_WRITE, 'K', 11, 0)
#define KSU_IOCTL_SET_APP_PROFILE _IOC(_IOC_WRITE, 'K', 12, 0)
#define KSU_IOCTL_GET_FEATURE _IOC(_IOC_READ|_IOC_WRITE, 'K', 13, 0)
#define KSU_IOCTL_SET_FEATURE _IOC(_IOC_WRITE, 'K', 14, 0)
// Other IOCTL command definitions
#define KSU_IOCTL_GET_FULL_VERSION _IOR('K', 100, struct ksu_get_full_version_cmd)
#define KSU_IOCTL_HOOK_TYPE _IOR('K', 101, struct ksu_hook_type_cmd)
#define KSU_IOCTL_ENABLE_KPM _IOR('K', 102, struct ksu_enable_kpm_cmd)
#define KSU_IOCTL_DYNAMIC_MANAGER _IOWR('K', 103, struct ksu_dynamic_manager_cmd)
#define KSU_IOCTL_GET_MANAGERS _IOWR('K', 104, struct ksu_get_managers_cmd)
#define KSU_IOCTL_ENABLE_UID_SCANNER _IOWR('K', 105, struct ksu_enable_uid_scanner_cmd)
#define KSU_IOCTL_GET_FULL_VERSION _IOC(_IOC_READ, 'K', 100, 0)
#define KSU_IOCTL_HOOK_TYPE _IOC(_IOC_READ, 'K', 101, 0)
#define KSU_IOCTL_ENABLE_KPM _IOC(_IOC_READ, 'K', 102, 0)
#define KSU_IOCTL_DYNAMIC_MANAGER _IOC(_IOC_READ|_IOC_WRITE, 'K', 103, 0)
#define KSU_IOCTL_GET_MANAGERS _IOC(_IOC_READ|_IOC_WRITE, 'K', 104, 0)
#define KSU_IOCTL_ENABLE_UID_SCANNER _IOC(_IOC_READ|_IOC_WRITE, 'K', 105, 0)
// IOCTL handler types
typedef int (*ksu_ioctl_handler_t)(void __user *arg);
typedef bool (*ksu_perm_check_t)(void);
// Permission check functions
bool perm_check_manager(void);
bool perm_check_root(void);
bool perm_check_basic(void);
bool perm_check_all(void);
// IOCTL command mapping
struct ksu_ioctl_cmd_map {
unsigned int cmd;
const char *name;
ksu_ioctl_handler_t handler;
ksu_perm_check_t perm_check; // Permission check function
const char *name; // Command name for logging
};
// Install KSU fd to current process