From: Jeffrey Altman <jaltman@your-file-system.com>
Date: Thu, 3 Jun 2010 15:49:14 +0000 (-0400)
Subject: Windows: Fix cm_IoctlSkipQueryOptions buffer management
X-Git-Tag: openafs-devel-1_5_75~195
X-Git-Url: https://git.michaelhowe.org/gitweb/?a=commitdiff_plain;h=7e9c978b1c9d47a9da0e7f3b6cb7982596eb4cda;p=packages%2Fo%2Fopenafs.git

Windows: Fix cm_IoctlSkipQueryOptions buffer management

When cm_IoctlSkipQueryOptions advances the input buffer
pointer it must also reduce the available input length.

LICENSE MIT

Change-Id: I4e0d673e3ff5d8621e715d33d73616a22211a8a9
Reviewed-on: http://gerrit.openafs.org/2076
Tested-by: Jeffrey Altman <jaltman@openafs.org>
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Reviewed-by: Jeffrey Altman <jaltman@openafs.org>
---

diff --git a/src/WINNT/afsd/cm_ioctl.c b/src/WINNT/afsd/cm_ioctl.c
index 12f92435f..2b3bde012 100644
--- a/src/WINNT/afsd/cm_ioctl.c
+++ b/src/WINNT/afsd/cm_ioctl.c
@@ -304,6 +304,7 @@ cm_IoctlSkipQueryOptions(struct cm_ioctl *ioctlp, struct cm_user *userp)
 {
     cm_ioctlQueryOptions_t * optionsp = (cm_ioctlQueryOptions_t *)ioctlp->inDatap;
     ioctlp->inDatap += optionsp->size;
+    ioctlp->inCopied -= optionsp->size;
 }
 
 /* format the specified path to look like "/afs/<cellname>/usr", by