linux-kernel - [PATCH 12/12] KEYS: request_key

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Message-ID: <20140320120617.21635.96975.stgit@warthog.procyon.org.uk>
Date:	Thu, 20 Mar 2014 12:06:17 +0000
From:	David Howells <dhowells@...hat.com>
To:	keyrings@...ux-nfs.org
Cc:	dhowells@...hat.com, linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 12/12] KEYS: request_key_auth: Provide key preparsing

Provide key preparsing for the request_key_auth key type so that we can make
preparsing mandatory.  This does nothing as this type can only be set up
internally to the kernel.

Signed-off-by: David Howells <dhowells@...hat.com>
---

 security/keys/request_key_auth.c |   13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/security/keys/request_key_auth.c b/security/keys/request_key_auth.c
index 7495a93b4b90..842e6f410d50 100644
--- a/security/keys/request_key_auth.c
+++ b/security/keys/request_key_auth.c
@@ -20,6 +20,8 @@
 #include "internal.h"
 #include <keys/user-type.h>
 
+static int request_key_auth_preparse(struct key_preparsed_payload *);
+static void request_key_auth_free_preparse(struct key_preparsed_payload *);
 static int request_key_auth_instantiate(struct key *,
 					struct key_preparsed_payload *);
 static void request_key_auth_describe(const struct key *, struct seq_file *);
@@ -33,6 +35,8 @@ static long request_key_auth_read(const struct key *, char __user *, size_t);
 struct key_type key_type_request_key_auth = {
 	.name		= ".request_key_auth",
 	.def_datalen	= sizeof(struct request_key_auth),
+	.preparse	= request_key_auth_preparse,
+	.free_preparse	= request_key_auth_free_preparse,
 	.instantiate	= request_key_auth_instantiate,
 	.describe	= request_key_auth_describe,
 	.revoke		= request_key_auth_revoke,
@@ -40,6 +44,15 @@ struct key_type key_type_request_key_auth = {
 	.read		= request_key_auth_read,
 };
 
+int request_key_auth_preparse(struct key_preparsed_payload *prep)
+{
+	return 0;
+}
+
+void request_key_auth_free_preparse(struct key_preparsed_payload *prep)
+{
+}
+
 /*
  * Instantiate a request-key authorisation key.
  */

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