From 52fd0d4ae6261696dd7e0f799b066feac37c0917 Mon Sep 17 00:00:00 2001
From: Ziyang Zhou <ziyang.zhou@outlook.com>
Date: Sun, 9 May 2021 22:39:50 +0800
Subject: [PATCH] fix booting

---
 AccessControl.cpp | 4 ++++
 service.cpp       | 6 +++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/AccessControl.cpp b/AccessControl.cpp
index 84f84d0..f068089 100644
--- a/AccessControl.cpp
+++ b/AccessControl.cpp
@@ -19,6 +19,7 @@ struct audit_data {
 using android::FQName;
 
 AccessControl::AccessControl() {
+#ifndef SE_HACK
     mSeHandle = selinux_android_hw_service_context_handle();
     LOG_ALWAYS_FATAL_IF(mSeHandle == NULL, "Failed to acquire SELinux handle.");
 
@@ -27,6 +28,7 @@ AccessControl::AccessControl() {
     }
 
     selinux_status_open(true);
+#endif
 
     mSeCallbacks.func_audit = AccessControl::auditCallback;
     selinux_set_callback(SELINUX_CB_AUDIT, mSeCallbacks);
@@ -75,6 +77,7 @@ AccessControl::CallingContext AccessControl::getCallingContext(pid_t sourcePid)
 }
 
 bool AccessControl::checkPermission(const CallingContext& source, const char *targetContext, const char *perm, const char *interface) {
+    se_hack1(true);
     if (!source.sidPresent) {
         return false;
     }
@@ -93,6 +96,7 @@ bool AccessControl::checkPermission(const CallingContext& source, const char *ta
 }
 
 bool AccessControl::checkPermission(const CallingContext& source, const char *perm, const char *interface) {
+    se_hack1(true);
     char *targetContext = nullptr;
     bool allowed = false;
 
diff --git a/service.cpp b/service.cpp
index 4fdf4df..5afb5a1 100644
--- a/service.cpp
+++ b/service.cpp
@@ -62,7 +62,7 @@ int main() {
     configureRpcThreadpool(1, true /* callerWillJoin */);
 
     sp<ServiceManager> manager = new ServiceManager();
-    setRequestingSid(manager, true);
+//    setRequestingSid(manager, true); // HACKED
 
     if (!manager->add(serviceName, manager)) {
         ALOGE("Failed to register hwservicemanager with itself.");
@@ -97,6 +97,7 @@ int main() {
     // Tell IPCThreadState we're the service manager
     sp<BnHwServiceManager> service = new BnHwServiceManager(manager);
     IPCThreadState::self()->setTheContextObject(service);
+#ifndef SE_HACK
     // Then tell binder kernel
     flat_binder_object obj {
         .flags = FLAT_BINDER_FLAG_TXN_SECURITY_CTX,
@@ -110,6 +111,9 @@ int main() {
 
         result = ioctl(binder_fd, BINDER_SET_CONTEXT_MGR, 0);
     }
+#else
+    ioctl(binder_fd, BINDER_SET_CONTEXT_MGR, 0);
+#endif // SE_HACK
 
     // Only enable FIFO inheritance for hwbinder
     // FIXME: remove define when in the kernel
-- 
2.34.1