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kernel, ksud, manager: New supercalls implementations

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* This commit squashes new supercall impl:
3138651a38..562a3b9be7

Thanks to these people below:

Official KernelSU:
Co-authored-by: Wang Han <416810799@qq.com>
Co-authored-by: weishu <twsxtd@gmail.com>
Co-authored-by: Ylarod <me@ylarod.cn>
Co-authored-by: YuKongA <70465933+YuKongA@users.noreply.github.com>

xxKSU maintainer:
Co-authored-by: backslashxx <118538522+backslashxx@users.noreply.github.com>
MMRL maintainer:
Co-authored-by: Der_Googler <54764558+dergoogler@users.noreply.github.com>
KSUN maintainer:
Co-authored-by: Rifat Azad <33044977+rifsxd@users.noreply.github.com>
KOWSU maintainer:
Co-authored-by: KOWX712 <leecc0503@gmail.com>
This commit is contained in:
ShirkNeko
2025-11-06 03:54:44 +08:00
parent c55a918957
commit 68f3be2cbe
23 changed files with 1804 additions and 2218 deletions
Download Patch File Download Diff File Expand all files Collapse all files

89
kernel/selinux/rules.c
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@@ -157,39 +157,16 @@ void apply_kernelsu_rules(void)
#define CMD_TYPE_CHANGE 8
#define CMD_GENFSCON 9
// keep it!
extern bool ksu_is_compat __read_mostly;
// armv7l kernel compat
#ifdef CONFIG_64BIT
#define usize u64
#else
#define usize u32
#endif
struct sepol_data {
u32 cmd;
u32 subcmd;
usize field_sepol1;
usize field_sepol2;
usize field_sepol3;
usize field_sepol4;
usize field_sepol5;
usize field_sepol6;
usize field_sepol7;
};
// ksud 32-bit on arm64 kernel
struct __maybe_unused sepol_data_compat {
u32 cmd;
u32 subcmd;
u32 field_sepol1;
u32 field_sepol2;
u32 field_sepol3;
u32 field_sepol4;
u32 field_sepol5;
u32 field_sepol6;
u32 field_sepol7;
uint32_t cmd;
uint32_t subcmd;
uint64_t field_sepol1;
uint64_t field_sepol2;
uint64_t field_sepol3;
uint64_t field_sepol4;
uint64_t field_sepol5;
uint64_t field_sepol6;
uint64_t field_sepol7;
};
static int get_object(char *buf, char __user *user_object, size_t buf_sz,
@@ -212,7 +189,7 @@ static int get_object(char *buf, char __user *user_object, size_t buf_sz,
// reset avc cache table, otherwise the new rules will not take effect if already denied
static void reset_avc_cache(void)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 4, 0) || \
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 4, 0) || \
!defined(KSU_COMPAT_USE_SELINUX_STATE)
avc_ss_reset(0);
selnl_notify_policyload(0);
@@ -242,40 +219,22 @@ int handle_sepolicy(unsigned long arg3, void __user *arg4)
char __user *sepol1, *sepol2, *sepol3, *sepol4, *sepol5, *sepol6,
*sepol7;
if (unlikely(ksu_is_compat)) {
struct sepol_data_compat data_compat;
if (copy_from_user(&data_compat, arg4,
sizeof(struct sepol_data_compat))) {
pr_err("sepol: copy sepol_data failed.\n");
return -1;
}
pr_info("sepol: running in compat mode!\n");
sepol1 = compat_ptr(data_compat.field_sepol1);
sepol2 = compat_ptr(data_compat.field_sepol2);
sepol3 = compat_ptr(data_compat.field_sepol3);
sepol4 = compat_ptr(data_compat.field_sepol4);
sepol5 = compat_ptr(data_compat.field_sepol5);
sepol6 = compat_ptr(data_compat.field_sepol6);
sepol7 = compat_ptr(data_compat.field_sepol7);
cmd = data_compat.cmd;
subcmd = data_compat.subcmd;
} else {
struct sepol_data data;
if (copy_from_user(&data, arg4, sizeof(struct sepol_data))) {
pr_err("sepol: copy sepol_data failed.\n");
return -1;
}
sepol1 = data.field_sepol1;
sepol2 = data.field_sepol2;
sepol3 = data.field_sepol3;
sepol4 = data.field_sepol4;
sepol5 = data.field_sepol5;
sepol6 = data.field_sepol6;
sepol7 = data.field_sepol7;
cmd = data.cmd;
subcmd = data.subcmd;
struct sepol_data data = { 0 };
if (copy_from_user(&data, arg4, sizeof(struct sepol_data))) {
pr_err("sepol: copy sepol_data failed.\n");
return -1;
}
sepol1 = (char __user *)data.field_sepol1;
sepol2 = (char __user *)data.field_sepol2;
sepol3 = (char __user *)data.field_sepol3;
sepol4 = (char __user *)data.field_sepol4;
sepol5 = (char __user *)data.field_sepol5;
sepol6 = (char __user *)data.field_sepol6;
sepol7 = (char __user *)data.field_sepol7;
cmd = data.cmd;
subcmd = data.subcmd;
mutex_lock(&ksu_rules);
db = get_policydb();