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Revert "kernel: Apply the SUSFS patch"

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This reverts commit ad0f3f6025.
This commit is contained in:
ShirkNeko
2025-11-09 21:39:04 +08:00
parent 3a0f9b4e2c
commit 66f37c7310
11 changed files with 19 additions and 944 deletions
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92
kernel/selinux/selinux.c
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@@ -6,16 +6,6 @@
#define KERNEL_SU_DOMAIN "u:r:su:s0"
#ifdef CONFIG_KSU_SUSFS
#define KERNEL_INIT_DOMAIN "u:r:init:s0"
#define KERNEL_ZYGOTE_DOMAIN "u:r:zygote:s0"
#define KERNEL_KERNEL_DOMAIN "u:r:kernel:s0"
u32 susfs_ksu_sid = 0;
u32 susfs_init_sid = 0;
u32 susfs_zygote_sid = 0;
u32 susfs_kernel_sid = 0;
#endif
static int transive_to_domain(const char *domain)
{
struct cred *cred;
@@ -155,88 +145,6 @@ bool is_zygote(const struct cred* cred)
return result;
}
#ifdef CONFIG_KSU_SUSFS
static inline void susfs_set_sid(const char *secctx_name, u32 *out_sid)
{
int err;
if (!secctx_name || !out_sid) {
pr_err("secctx_name || out_sid is NULL\n");
return;
}
err = security_secctx_to_secid(secctx_name, strlen(secctx_name),
out_sid);
if (err) {
pr_err("failed setting sid for '%s', err: %d\n", secctx_name, err);
return;
}
pr_info("sid '%u' is set for secctx_name '%s'\n", *out_sid, secctx_name);
}
bool susfs_is_sid_equal(void *sec, u32 sid2) {
struct task_security_struct *tsec = (struct task_security_struct *)sec;
if (!tsec) {
return false;
}
return tsec->sid == sid2;
}
u32 susfs_get_sid_from_name(const char *secctx_name)
{
u32 out_sid = 0;
int err;
if (!secctx_name) {
pr_err("secctx_name is NULL\n");
return 0;
}
err = security_secctx_to_secid(secctx_name, strlen(secctx_name),
&out_sid);
if (err) {
pr_err("failed getting sid from secctx_name: %s, err: %d\n", secctx_name, err);
return 0;
}
return out_sid;
}
u32 susfs_get_current_sid(void) {
return current_sid();
}
void susfs_set_zygote_sid(void)
{
susfs_set_sid(KERNEL_ZYGOTE_DOMAIN, &susfs_zygote_sid);
}
bool susfs_is_current_zygote_domain(void) {
return unlikely(current_sid() == susfs_zygote_sid);
}
void susfs_set_ksu_sid(void)
{
susfs_set_sid(KERNEL_SU_DOMAIN, &susfs_ksu_sid);
}
bool susfs_is_current_ksu_domain(void) {
return unlikely(current_sid() == susfs_ksu_sid);
}
void susfs_set_init_sid(void)
{
susfs_set_sid(KERNEL_INIT_DOMAIN, &susfs_init_sid);
}
bool susfs_is_current_init_domain(void) {
return unlikely(current_sid() == susfs_init_sid);
}
void susfs_set_kernel_sid(void)
{
susfs_set_sid(KERNEL_KERNEL_DOMAIN, &susfs_kernel_sid);
}
#endif
#define KSU_FILE_DOMAIN "u:object_r:ksu_file:s0"
u32 ksu_get_ksu_file_sid()