Changeset 51488 in vbox for trunk/src/VBox/HostDrivers/Support

Timestamp:

Jun 2, 2014 2:46:50 PM (11 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

94097

Message:

Experiment. Require special cookie to be served to VBoxDrv and VBoxUSB with IOServiceOpen.

Location:

trunk/src/VBox/HostDrivers/Support

Files:

• SUPDrvIOC.h (modified) (1 diff)
• darwin/SUPDrv-darwin.cpp (modified) (1 diff)
• darwin/SUPLib-darwin.cpp (modified) (1 diff)

trunk/src/VBox/HostDrivers/Support/SUPDrvIOC.h

@@ -106 +106 @@
 #define SUP_IOCTL_FAST_DO_NOP                   SUP_CTL_CODE_FAST(66)
 
+#ifdef RT_OS_DARWIN
+/** Cookie used to fend off some unwanted clients to the IOService.  */
+# define SUP_DARWIN_IOSERVICE_COOKIE            0x64726962 /* 'bird' */
+#endif
 
 

trunk/src/VBox/HostDrivers/Support/darwin/SUPDrv-darwin.cpp

@@ -1373 +1373 @@
     if (!OwningTask)
         return false;
+
+    if (u32Type != SUP_DARWIN_IOSERVICE_COOKIE)
+    {
+        Log(("org_virtualbox_SupDrvClient::initWithTask: Bade cookie %#x\n", u32Type));
+        return false;
+    }
+
     if (IOUserClient::initWithTask(OwningTask, pvSecurityId , u32Type))
     {

trunk/src/VBox/HostDrivers/Support/darwin/SUPLib-darwin.cpp

@@ -171 +171 @@
      */
     io_connect_t Connection = NULL;
-    kr = IOServiceOpen(ServiceObject, mach_task_self(), 0, &Connection);
+    kr = IOServiceOpen(ServiceObject, mach_task_self(), SUP_DARWIN_IOSERVICE_COOKIE, &Connection);
     IOObjectRelease(ServiceObject);
     if (kr != kIOReturnSuccess)