new supercall impl (#511)
* refactor: replace throne tracker with ksud token
* use snprintf
* refactor: new supercall impl
- Import the sukisu command
* disable seccomp for supercall users
* kernel: fmt clear
* kernel: Enable macro protection for sulog
- Only enabled on kernel versions greater than 5.10.245
* kernel: Refactor kprobe hooks and implement LSM hooks for improved security handling
* debug mode
* kernel: Add functionality to generate and validate authentication tokens for cmd_su
* kernel: Simplified manual SU command processing for code
* kernel: replace renameat hook with fsnotify
* Revert "refactor: replace throne tracker with ksud token"
This reverts commit aa2cbbf.
* kernel: fix compile
* kernel: fix compile below 6.0
* Fix compile err; Add become_manager
* kernel: install fd for manager automaticlly
- extend to import the corresponding command
* manager: new supercall impl
* temp changes for ksud
* ksud: fix compile
* fix wrong opcode
* kernel: fix compile
* kernel: Fixed hook type and KPM status retrieval errors
* kernel: Fixed potential null pointer issue with current->mm in kernel version 5.10
When calling get_full_comm() within system call hooks, current->mm may be null (prctl). A fallback mechanism for current->comm must be added beforehand to prevent null pointer dereferences when accessing mm->arg_start/arg_end.
Signed-off-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>
* ksud: fix cargo check
* manager: Fixed an issue where the KSUD release and user-mode scanning switch failed to function correctly.
- kernel: fix spin lock mutual
kernel: Fixed potential null pointer issue with current->mm in kernel version 5.10
When calling get_full_comm() within system call hooks, current->mm may be null (prctl). A fallback mechanism for current->comm must be added beforehand to prevent null pointer dereferences when accessing mm->arg_start/arg_end.
kernel: try introduce like susfs's method to fix prctl delay
* seccomp: allow reboot
* use u32
* update clang-format
* 4 spaces save the world
* ksud: Fix build on macOS
* manager: bump minimal supported kernel.
- When get_hook_type is empty, display “Unknown”.
* Fix ksud build (#2841)
* try fix ksud
* fix for macos
* remove any
* Fix ksud build, take 3
* try fix allowlist
* bring lsm hook back
* fix: a lot again
* Fix ksud build, take 4 (#2846)
Remove init_driver_fd function for non-linux/android targets
* manager: Return to the native method via KSUd installation
* Merge with susfs-mian format
---------
Signed-off-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>
Co-authored-by: Ylarod <me@ylarod.cn>
Co-authored-by: weishu <twsxtd@gmail.com>
Co-authored-by: AlexLiuDev233 <wzylin11@outlook.com>
Co-authored-by: Wang Han <416810799@qq.com>
This commit is contained in:
ShirkNeko
103
kernel/ksu.h
103
kernel/ksu.h
@@ -7,35 +7,12 @@
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#define KERNEL_SU_VERSION KSU_VERSION
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#define KERNEL_SU_OPTION 0xDEADBEEF
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#define CMD_GRANT_ROOT 0
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#define CMD_BECOME_MANAGER 1
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#define CMD_GET_VERSION 2
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#define CMD_ALLOW_SU 3
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#define CMD_DENY_SU 4
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#define CMD_GET_ALLOW_LIST 5
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#define CMD_GET_DENY_LIST 6
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#define CMD_REPORT_EVENT 7
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#define CMD_SET_SEPOLICY 8
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#define CMD_CHECK_SAFEMODE 9
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#define CMD_GET_APP_PROFILE 10
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#define CMD_SET_APP_PROFILE 11
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#define CMD_UID_GRANTED_ROOT 12
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#define CMD_UID_SHOULD_UMOUNT 13
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#define CMD_IS_SU_ENABLED 14
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#define CMD_ENABLE_SU 15
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extern bool ksu_uid_scanner_enabled;
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#ifdef CONFIG_KSU_MANUAL_SU
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#define CMD_MANUAL_SU_REQUEST 50
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#endif
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#define CMD_GET_FULL_VERSION 0xC0FFEE1A
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#define CMD_ENABLE_KPM 100
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#define CMD_HOOK_TYPE 101
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#define CMD_DYNAMIC_MANAGER 103
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#define CMD_GET_MANAGERS 104
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#define CMD_ENABLE_UID_SCANNER 105
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#define EVENT_POST_FS_DATA 1
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#define EVENT_BOOT_COMPLETED 2
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#define EVENT_MODULE_MOUNTED 3
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@@ -56,6 +33,10 @@
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#define DYNAMIC_MANAGER_OP_GET 1
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#define DYNAMIC_MANAGER_OP_CLEAR 2
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#define UID_SCANNER_OP_GET_STATUS 0
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#define UID_SCANNER_OP_TOGGLE 1
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#define UID_SCANNER_OP_CLEAR_ENV 2
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struct dynamic_manager_user_config {
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unsigned int operation;
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unsigned int size;
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@@ -71,67 +52,67 @@ struct manager_list_info {
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};
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struct root_profile {
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int32_t uid;
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int32_t gid;
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int32_t uid;
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int32_t gid;
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int32_t groups_count;
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int32_t groups[KSU_MAX_GROUPS];
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int32_t groups_count;
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int32_t groups[KSU_MAX_GROUPS];
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// kernel_cap_t is u32[2] for capabilities v3
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struct {
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u64 effective;
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u64 permitted;
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u64 inheritable;
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} capabilities;
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// kernel_cap_t is u32[2] for capabilities v3
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struct {
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u64 effective;
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u64 permitted;
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u64 inheritable;
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} capabilities;
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char selinux_domain[KSU_SELINUX_DOMAIN];
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char selinux_domain[KSU_SELINUX_DOMAIN];
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int32_t namespaces;
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int32_t namespaces;
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};
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struct non_root_profile {
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bool umount_modules;
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bool umount_modules;
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};
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struct app_profile {
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// It may be utilized for backward compatibility, although we have never explicitly made any promises regarding this.
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u32 version;
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// It may be utilized for backward compatibility, although we have never explicitly made any promises regarding this.
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u32 version;
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// this is usually the package of the app, but can be other value for special apps
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char key[KSU_MAX_PACKAGE_NAME];
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int32_t current_uid;
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bool allow_su;
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// this is usually the package of the app, but can be other value for special apps
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char key[KSU_MAX_PACKAGE_NAME];
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int32_t current_uid;
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bool allow_su;
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union {
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struct {
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bool use_default;
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char template_name[KSU_MAX_PACKAGE_NAME];
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union {
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struct {
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bool use_default;
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char template_name[KSU_MAX_PACKAGE_NAME];
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struct root_profile profile;
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} rp_config;
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struct root_profile profile;
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} rp_config;
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struct {
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bool use_default;
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struct {
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bool use_default;
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struct non_root_profile profile;
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} nrp_config;
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};
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struct non_root_profile profile;
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} nrp_config;
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};
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};
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bool ksu_queue_work(struct work_struct *work);
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static inline int startswith(char *s, char *prefix)
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{
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return strncmp(s, prefix, strlen(prefix));
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return strncmp(s, prefix, strlen(prefix));
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}
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static inline int endswith(const char *s, const char *t)
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{
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size_t slen = strlen(s);
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size_t tlen = strlen(t);
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if (tlen > slen)
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return 1;
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return strcmp(s + slen - tlen, t);
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size_t slen = strlen(s);
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size_t tlen = strlen(t);
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if (tlen > slen)
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return 1;
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return strcmp(s + slen - tlen, t);
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}
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#endif
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#endif
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