Changeset 84607 in vbox for trunk/src/VBox/Additions

Timestamp:

May 29, 2020 10:44:19 AM (5 years ago)

Author:

vboxsync

Message:

bugref:9637. using elevated priviliges only during drm ioctl call.

File:

• trunk/src/VBox/Additions/x11/VBoxClient/display-drm.cpp (modified) (3 diffs)

trunk/src/VBox/Additions/x11/VBoxClient/display-drm.cpp

@@ -106 +106 @@
 static void drmConnect(struct DRMCONTEXT *pContext)
 {
-    uid_t guid = getuid();
-    if (setreuid(0, 0) == -1)
-    {
-        perror("setuid failed drm device open.");
-    }
     unsigned i;
     RTFILE hDevice;
@@ -150 +145 @@
     }
     pContext->hDevice = hDevice;
-    setreuid(guid, 0);
 }
 
@@ -171 +165 @@
     if (setreuid(0, 0) == -1)
     {
-        perror("setuid failed drm device open.");
-    }
-
+        perror("setreuid failed during drm ioctl.");
+    }
     int rc;
     struct DRMVMWUPDATELAYOUT ioctlLayout;