Add code for debugging nfs_access with secure mounts

Signed-off-by: Steve Dickson <steved@redhat.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/tapset/rpc_cred.stp b/tapset/rpc_cred.stp
new file mode 100644
index 0000000..441a0bf
--- /dev/null
+++ b/tapset/rpc_cred.stp
@@ -0,0 +1,14 @@
+%{
+#include <linux/kernel.h>
+#include <linux/fs.h>
+#include <linux/sunrpc/clnt.h>
+%}
+
+function rpc_cred_uid:string(_cred:long)
+%{
+	struct rpc_cred *cred = (struct rpc_cred *)(long) kread(&(THIS->_cred));
+	
+	snprintf(THIS->__retvalue, MAXSTRINGLEN, "uid=%d", cred->cr_uid);
+
+	CATCH_DEREF_FAULT();
+%}