restorecon tombstone directory.

Restore the security contexts of tombstone directory
when initially created.

Change-Id: I25b53730991576eccb62ca57050decd584acc639
Signed-off-by: rpcraig <rpcraig@tycho.ncsc.mil>

debuggerd/Android.mk

@@ -25,6 +25,12 @@ endif # ARCH_ARM_HAVE_VFP_D32
 
 LOCAL_SHARED_LIBRARIES := libcutils libc libcorkscrew
 
+ifeq ($(HAVE_SELINUX),true)
+LOCAL_SHARED_LIBRARIES += libselinux
+LOCAL_C_INCLUDES += external/libselinux/include
+LOCAL_CFLAGS += -DHAVE_SELINUX
+endif
+
 include $(BUILD_EXECUTABLE)
 
 include $(CLEAR_VARS)

debuggerd/tombstone.c

@@ -35,6 +35,10 @@
 #include <corkscrew/demangle.h>
 #include <corkscrew/backtrace.h>
 
+#ifdef HAVE_SELINUX
+#include <selinux/android.h>
+#endif
+
 #include "machine.h"
 #include "tombstone.h"
 #include "utility.h"
@@ -680,6 +684,13 @@ char* engrave_tombstone(pid_t pid, pid_t tid, int signal,
     mkdir(TOMBSTONE_DIR, 0755);
     chown(TOMBSTONE_DIR, AID_SYSTEM, AID_SYSTEM);
 
+#ifdef HAVE_SELINUX
+    if (selinux_android_restorecon(TOMBSTONE_DIR) == -1) {
+        *detach_failed = false;
+        return NULL;
+    }
+#endif
+
     int fd;
     char* path = find_and_open_tombstone(&fd);
     if (!path) {