From 2f7cfa7ab2aed81d1ed470f95b7c2d035885e1a9 Mon Sep 17 00:00:00 2001
From: topjohnwu <topjohnwu@gmail.com>
Date: Sat, 15 Apr 2017 19:02:07 +0800
Subject: [PATCH] Link binaries when daemon started

---
 jni/daemon/daemon.c | 15 +++++++++++++++
 jni/daemon/daemon.h | 17 +++++++++++++++++
 jni/magisk.h        | 14 --------------
 3 files changed, 32 insertions(+), 14 deletions(-)

diff --git a/jni/daemon/daemon.c b/jni/daemon/daemon.c
index 8868b3a37..fb508e1df 100644
--- a/jni/daemon/daemon.c
+++ b/jni/daemon/daemon.c
@@ -13,6 +13,7 @@
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/stat.h>
+#include <sys/mount.h>
 
 #include "magisk.h"
 #include "utils.h"
@@ -46,6 +47,15 @@ static void request_handler(int client) {
 		write_int(client, VERSION_CODE);
 		close(client);
 		break;
+	case POST_FS:
+		// TODO: post-fs
+		break;
+	case POST_FS_DATA:
+		// TODO: post-fs-data
+		break;
+	case LATE_START_SERVICE:
+		// TODO: late_start service
+		break;
 	case TEST:
 		s = read_string(client);
 		LOGI("%s\n", s);
@@ -107,6 +117,11 @@ void start_daemon() {
 	// Unlock all blocks for rw
 	unlock_blocks();
 
+	// Setup links under /sbin
+	mount(NULL, "/", NULL, MS_REMOUNT, NULL);
+	create_links(NULL, "/sbin");
+	mount(NULL, "/", NULL, MS_REMOUNT | MS_RDONLY, NULL);
+
 	// Loop forever to listen to requests
 	while(1) {
 		request_handler(xaccept(fd, NULL, NULL));
diff --git a/jni/daemon/daemon.h b/jni/daemon/daemon.h
index 70fd9abdd..76061f163 100644
--- a/jni/daemon/daemon.h
+++ b/jni/daemon/daemon.h
@@ -14,6 +14,9 @@ typedef enum {
 	SUPERUSER,
 	CHECK_VERSION,
 	CHECK_VERSION_CODE,
+	POST_FS,
+	POST_FS_DATA,
+	LATE_START_SERVICE,
 	TEST
 } client_request;
 
@@ -35,4 +38,18 @@ void write_string(int fd, const char* val);
 
 void monitor_logs();
 
+
+/**************
+ * MagiskHide *
+ **************/
+
+void launch_magiskhide(int client);
+void stop_magiskhide(int client);
+
+/*************
+ * Superuser *
+ *************/
+
+void su_daemon_receiver(int client);
+
 #endif
diff --git a/jni/magisk.h b/jni/magisk.h
index c2da6fe98..91c788fb7 100644
--- a/jni/magisk.h
+++ b/jni/magisk.h
@@ -62,18 +62,4 @@ int resetprop_main(int argc, char *argv[]);
 }
 #endif
 
-/**************
- * MagiskHide *
- **************/
-
-void launch_magiskhide(int client);
-void stop_magiskhide(int client);
-
-/*************
- * Superuser *
- *************/
-
-void su_daemon_receiver(int client);
-
-
 #endif