Revert renaming symbols in KernelSU driver

- In order to reduce the extra patch code and increase the rate of hunk succeed, we do not rename the symbols in KernelSU drvier but instead do it all in kernel/kallsym.c

- Make susfs_starts_with() global as it maybe useful in future

Co-authored-by: simonpunk <simonpunk2016@gmail.com>

kernel/selinux/rules.c

@@ -38,11 +38,11 @@ static struct policydb *get_policydb(void)
 
 static DEFINE_MUTEX(ksu_rules);
 
-void ksu_apply_kernelsu_rules()
+void apply_kernelsu_rules()
 {
 	struct policydb *db;
 
-	if (!ksu_getenforce()) {
+	if (!getenforce()) {
 		pr_info("SELinux permissive or disabled, apply rules!\n");
 	}
 
@@ -236,7 +236,7 @@ static void reset_avc_cache()
 	selinux_xfrm_notify_policyload();
 }
 
-int ksu_handle_sepolicy(unsigned long arg3, void __user *arg4)
+int handle_sepolicy(unsigned long arg3, void __user *arg4)
 {
 	struct policydb *db;
 
@@ -244,7 +244,7 @@ int ksu_handle_sepolicy(unsigned long arg3, void __user *arg4)
 		return -1;
 	}
 
-	if (!ksu_getenforce()) {
+	if (!getenforce()) {
 		pr_info("SELinux permissive or disabled when handle policy!\n");
 	}
 

kernel/selinux/selinux.c

@@ -66,7 +66,7 @@ bool __maybe_unused is_ksu_transition(const struct task_security_struct *old_tse
 }
 #endif
 
-void ksu_setup_selinux(const char *domain)
+void setup_selinux(const char *domain)
 {
 	if (transive_to_domain(domain)) {
 		pr_err("transive domain failed.\n");
@@ -74,12 +74,12 @@ void ksu_setup_selinux(const char *domain)
 	}
 }
 
-void ksu_setenforce(bool enforce)
+void setenforce(bool enforce)
 {
 	__setenforce(enforce);
 }
 
-bool ksu_getenforce(void)
+bool getenforce(void)
 {
 	if (is_selinux_disabled()) {
 		return false;
@@ -101,7 +101,7 @@ static inline u32 current_sid(void)
 }
 #endif
 
-bool ksu_is_ksu_domain()
+bool is_ksu_domain()
 {
 	char *domain;
 	u32 seclen;
@@ -117,7 +117,7 @@ bool ksu_is_ksu_domain()
 	return result;
 }
 
-bool ksu_is_zygote(void *sec)
+bool is_zygote(void *sec)
 {
 	struct task_security_struct *tsec = (struct task_security_struct *)sec;
 	if (!tsec) {

kernel/selinux/selinux.h

@@ -8,17 +8,17 @@
 #define KSU_COMPAT_USE_SELINUX_STATE
 #endif
 
-void ksu_setup_selinux(const char *);
+void setup_selinux(const char *);
 
-void ksu_setenforce(bool);
+void setenforce(bool);
 
-bool ksu_getenforce(void);
+bool getenforce(void);
 
-bool ksu_is_ksu_domain();
+bool is_ksu_domain();
 
-bool ksu_is_zygote(void *cred);
+bool is_zygote(void *cred);
 
-void ksu_apply_kernelsu_rules();
+void apply_kernelsu_rules();
 
 #ifdef CONFIG_KSU_SUSFS_SUS_MOUNT
 bool susfs_is_sid_equal(void *sec, u32 sid2);