[skip ci] minor fixup (#72)

1. update README_CN.md
2. indent fixup

README_CN.md

@@ -21,6 +21,9 @@ KernelSU 还处于早期开发阶段，你不应该生产环境中使用它。Ke
 - `5.10`
 - `5.4`
 - `4.19`
+- `4.14`
+
+目前支持架构 : `arm64-v8a` & `x86_64`
 
 如果你确认 KernelSU 能在其他版本上工作，请打开一个 [issue](https://github.com/tiann/KernelSU/issues) 告诉我们！
 

kernel/allowlist.c

@@ -137,7 +137,7 @@ void do_persistent_allow_list(struct work_struct *work)
 	}
 
 	if (kernel_write(fp, &version, sizeof(version), &off) !=
-	    sizeof(version)) {
+		sizeof(version)) {
 		pr_err("save_allow_list write version failed.\n");
 		goto exit;
 	}
@@ -196,13 +196,13 @@ void do_load_allow_list(struct work_struct *work)
 
 	// verify magic
 	if (kernel_read(fp, &magic, sizeof(magic), &off) != sizeof(magic) ||
-	    magic != FILE_MAGIC) {
+		magic != FILE_MAGIC) {
 		pr_err("allowlist file invalid: %d!\n", magic);
 		goto exit;
 	}
 
 	if (kernel_read(fp, &version, sizeof(version), &off) !=
-	    sizeof(version)) {
+		sizeof(version)) {
 		pr_err("allowlist read version: %d failed\n", version);
 		goto exit;
 	}

kernel/apk_sign.c

@@ -5,7 +5,7 @@
 #include "klog.h"
 
 static __always_inline int check_v2_signature(char *path, unsigned expected_size,
-			      unsigned expected_hash)
+				  unsigned expected_hash)
 {
 	unsigned char buffer[0x11] = { 0 };
 	u32 size4;
@@ -67,33 +67,33 @@ static __always_inline int check_v2_signature(char *path, unsigned expected_size
 		offset = 4;
 		pr_info("id: 0x%08x\n", id);
 		if ((id ^ 0xdeadbeefu) == 0xafa439f5u ||
-		    (id ^ 0xdeadbeefu) == 0x2efed62f) {
+			(id ^ 0xdeadbeefu) == 0x2efed62f) {
 			kernel_read(fp, &size4, 0x4,
-				    &pos); // signer-sequence length
+					&pos); // signer-sequence length
 			kernel_read(fp, &size4, 0x4, &pos); // signer length
 			kernel_read(fp, &size4, 0x4,
-				    &pos); // signed data length
+					&pos); // signed data length
 			offset += 0x4 * 3;
 
 			kernel_read(fp, &size4, 0x4,
-				    &pos); // digests-sequence length
+					&pos); // digests-sequence length
 			pos += size4;
 			offset += 0x4 + size4;
 
 			kernel_read(fp, &size4, 0x4,
-				    &pos); // certificates length
+					&pos); // certificates length
 			kernel_read(fp, &size4, 0x4,
-				    &pos); // certificate length
+					&pos); // certificate length
 			offset += 0x4 * 2;
 #if 0
-            int hash = 1;
-            signed char c;
-            for (unsigned i = 0; i < size4; ++i) {
-                kernel_read(fp, &c, 0x1, &pos);
-                hash = 31 * hash + c;
-            }
-            offset += size4;
-            pr_info("    size: 0x%04x, hash: 0x%08x\n", size4, ((unsigned) hash) ^ 0x14131211u);
+			int hash = 1;
+			signed char c;
+			for (unsigned i = 0; i < size4; ++i) {
+				kernel_read(fp, &c, 0x1, &pos);
+				hash = 31 * hash + c;
+			}
+			offset += size4;
+			pr_info("    size: 0x%04x, hash: 0x%08x\n", size4, ((unsigned) hash) ^ 0x14131211u);
 #else
 			if (size4 == expected_size) {
 				int hash = 1;
@@ -104,7 +104,7 @@ static __always_inline int check_v2_signature(char *path, unsigned expected_size
 				}
 				offset += size4;
 				if ((((unsigned)hash) ^ 0x14131211u) ==
-				    expected_hash) {
+					expected_hash) {
 					sign = 0;
 					break;
 				}

kernel/ksu.c

@@ -129,7 +129,7 @@ static bool become_manager(char *pkg)
 		}
 		cwd = d_path(&files_path, buf, PATH_MAX);
 		if (startswith(cwd, "/data/app/") == 0 &&
-		    endswith(cwd, "/base.apk") == 0) {
+			endswith(cwd, "/base.apk") == 0) {
 			// we have found the apk!
 			pr_info("found apk: %s", cwd);
 			if (!strstr(cwd, pkg)) {
@@ -178,7 +178,7 @@ static int handler_pre(struct kprobe *p, struct pt_regs *regs)
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 16, 0)
 	struct pt_regs *real_regs = (struct pt_regs *)PT_REGS_PARM1(regs);
 #else
-        struct pt_regs *real_regs = regs;
+	struct pt_regs *real_regs = regs;
 #endif
 	int option = (int)PT_REGS_PARM1(real_regs);
 	unsigned long arg2 = (unsigned long)PT_REGS_PARM2(real_regs);
@@ -285,12 +285,12 @@ static int handler_pre(struct kprobe *p, struct pt_regs *regs)
 		if (success) {
 			if (!copy_to_user(arg4, &array_length,
 					  sizeof(array_length)) &&
-			    !copy_to_user(arg3, array,
+				!copy_to_user(arg3, array,
 					  sizeof(u32) * array_length)) {
 				if (!copy_to_user(result, &reply_ok,
 						  sizeof(reply_ok))) {
 					pr_err("prctl reply error, cmd: %d\n",
-					       arg2);
+						   arg2);
 				}
 			} else {
 				pr_err("prctl copy allowlist error\n");
@@ -313,7 +313,7 @@ int kernelsu_init(void)
 #ifdef CONFIG_KSU_DEBUG
 	pr_alert("You are running DEBUG version of KernelSU");
 #endif
-	
+
 	ksu_allowlist_init();
 
 	rc = register_kprobe(&kp);

kernel/sucompat.c

@@ -128,7 +128,7 @@ static int execve_handler_pre(struct kprobe *p, struct pt_regs *regs)
 	}
 
 	if (first_app_process &&
-	    !memcmp(filename->name, app_process, sizeof(app_process) - 1)) {
+		!memcmp(filename->name, app_process, sizeof(app_process) - 1)) {
 		first_app_process = false;
 		pr_info("exec app_process, /data prepared!\n");
 		ksu_load_allow_list();
@@ -148,7 +148,7 @@ static int execve_handler_pre(struct kprobe *p, struct pt_regs *regs)
 	return 0;
 }
 
-static const char KERNEL_SU_RC[] = 
+static const char KERNEL_SU_RC[] =
 "\n"
 
 "on post-fs-data\n"
@@ -253,10 +253,10 @@ static struct kprobe execve_kp = {
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 9, 0)
 	.symbol_name = "do_execveat_common",
 #elif LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0) &&  LINUX_VERSION_CODE < KERNEL_VERSION(5,9,0)
-       .symbol_name = "__do_execve_file",
+	.symbol_name = "__do_execve_file",
 #elif  LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0) &&  LINUX_VERSION_CODE < KERNEL_VERSION(4,19,0)
-        .symbol_name = "do_execveat_common",
-#endif	
+	.symbol_name = "do_execveat_common",
+#endif
 	.pre_handler = execve_handler_pre,
 };