[PATCH 12/12] KEYS: request_key_auth: Provide key preparsing

From: David Howells
Date: Thu Mar 20 2014 - 09:05:48 EST


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@xxxxxxxxxx>
---

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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