Protocol handling issues in X Window System servers

One year after Ilja van Sprundel, discovered and reported a large number
of issues in the way the X server code base handles requests from X clients,
they have been fixed.

1 files changed, 4 insertions, 0 deletions

diff --git a/xserver/Xi/xisetdevfocus.c b/xserver/Xi/xisetdevfocus.c
index 372ec248a..96a9a16e4 100644
--- a/xserver/Xi/xisetdevfocus.c
+++ b/xserver/Xi/xisetdevfocus.c
@@ -44,6 +44,8 @@ int
 SProcXISetFocus(ClientPtr client)
 {
     REQUEST(xXISetFocusReq);
+    REQUEST_AT_LEAST_SIZE(xXISetFocusReq);
+
     swaps(&stuff->length);
     swaps(&stuff->deviceid);
     swapl(&stuff->focus);
@@ -56,6 +58,8 @@ int
 SProcXIGetFocus(ClientPtr client)
 {
     REQUEST(xXIGetFocusReq);
+    REQUEST_AT_LEAST_SIZE(xXIGetFocusReq);
+
     swaps(&stuff->length);
     swaps(&stuff->deviceid);