From: Jashan Kamboj <jashank42@gmail.com>
Date: Tue, 21 Jul 2015 19:36:50 +0000 (+0530)
Subject: add link check_access
X-Git-Tag: v10.0.0~123^2~58
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=ea94bc47689055ef61985ef6e11e019c5e6001bb;p=ceph.git

add link check_access

Signed-off-by: Jashan Kamboj <jashank42@gmail.com>
---

diff --git a/src/mds/Server.cc b/src/mds/Server.cc
index eb1ae6442ac9..a714363a16fc 100644
--- a/src/mds/Server.cc
+++ b/src/mds/Server.cc
@@ -4686,6 +4686,12 @@ void Server::handle_client_link(MDRequestRef& mdr)
   if (!mds->locker->acquire_locks(mdr, rdlocks, wrlocks, xlocks))
     return;
 
+  if (!check_access(mdr, targeti, MAY_WRITE))
+    return;
+
+  if (!check_access(mdr, dir->get_inode(), MAY_WRITE))
+    return;
+
   // go!
   assert(g_conf->mds_kill_link_at != 1);