9 files changed, 192 insertions, 20 deletions
diff --git a/include/keys/asymmetric-parser.h b/include/keys/asymmetric-parser.h
new file mode 100644
index 00000000000..09b3b4807f5
--- /dev/null
+++ b/include/keys/asymmetric-parser.h
@@ -0,0 +1,37 @@
+/* Asymmetric public-key cryptography data parser
+ *
+ * See Documentation/crypto/asymmetric-keys.txt
+ *
+ * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+
+#ifndef _KEYS_ASYMMETRIC_PARSER_H
+#define _KEYS_ASYMMETRIC_PARSER_H
+
+/*
+ * Key data parser.  Called during key instantiation.
+ */
+struct asymmetric_key_parser {
+	struct list_head	link;
+	struct module		*owner;
+	const char		*name;
+
+	/* Attempt to parse a key from the data blob passed to add_key() or
+	 * keyctl_instantiate().  Should also generate a proposed description
+	 * that the caller can optionally use for the key.
+	 *
+	 * Return EBADMSG if not recognised.
+	 */
+	int (*parse)(struct key_preparsed_payload *prep);
+};
+
+extern int register_asymmetric_key_parser(struct asymmetric_key_parser *);
+extern void unregister_asymmetric_key_parser(struct asymmetric_key_parser *);
+
+#endif /* _KEYS_ASYMMETRIC_PARSER_H */
diff --git a/include/keys/asymmetric-subtype.h b/include/keys/asymmetric-subtype.h
new file mode 100644
index 00000000000..4b840e82220
--- /dev/null
+++ b/include/keys/asymmetric-subtype.h
@@ -0,0 +1,55 @@
+/* Asymmetric public-key cryptography key subtype
+ *
+ * See Documentation/security/asymmetric-keys.txt
+ *
+ * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+
+#ifndef _KEYS_ASYMMETRIC_SUBTYPE_H
+#define _KEYS_ASYMMETRIC_SUBTYPE_H
+
+#include <linux/seq_file.h>
+#include <keys/asymmetric-type.h>
+
+struct public_key_signature;
+
+/*
+ * Keys of this type declare a subtype that indicates the handlers and
+ * capabilities.
+ */
+struct asymmetric_key_subtype {
+	struct module		*owner;
+	const char		*name;
+	unsigned short		name_len;	/* length of name */
+
+	/* Describe a key of this subtype for /proc/keys */
+	void (*describe)(const struct key *key, struct seq_file *m);
+
+	/* Destroy a key of this subtype */
+	void (*destroy)(void *payload);
+
+	/* Verify the signature on a key of this subtype (optional) */
+	int (*verify_signature)(const struct key *key,
+				const struct public_key_signature *sig);
+};
+
+/**
+ * asymmetric_key_subtype - Get the subtype from an asymmetric key
+ * @key: The key of interest.
+ *
+ * Retrieves and returns the subtype pointer of the asymmetric key from the
+ * type-specific data attached to the key.
+ */
+static inline
+struct asymmetric_key_subtype *asymmetric_key_subtype(const struct key *key)
+{
+	return key->type_data.p[0];
+}
+
+#endif /* _KEYS_ASYMMETRIC_SUBTYPE_H */
diff --git a/include/keys/asymmetric-type.h b/include/keys/asymmetric-type.h
new file mode 100644
index 00000000000..7dd47349618
--- /dev/null
+++ b/include/keys/asymmetric-type.h
@@ -0,0 +1,25 @@
+/* Asymmetric Public-key cryptography key type interface
+ *
+ * See Documentation/security/asymmetric-keys.txt
+ *
+ * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+
+#ifndef _KEYS_ASYMMETRIC_TYPE_H
+#define _KEYS_ASYMMETRIC_TYPE_H
+
+#include <linux/key-type.h>
+
+extern struct key_type key_type_asymmetric;
+
+/*
+ * The payload is at the discretion of the subtype.
+ */
+
+#endif /* _KEYS_ASYMMETRIC_TYPE_H */
diff --git a/include/keys/big_key-type.h b/include/keys/big_key-type.h
new file mode 100644
index 00000000000..d69bc8af329
--- /dev/null
+++ b/include/keys/big_key-type.h
@@ -0,0 +1,25 @@
+/* Big capacity key type.
+ *
+ * Copyright (C) 2013 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _KEYS_BIG_KEY_TYPE_H
+#define _KEYS_BIG_KEY_TYPE_H
+
+#include <linux/key-type.h>
+
+extern struct key_type key_type_big_key;
+
+extern int big_key_instantiate(struct key *key, struct key_preparsed_payload *prep);
+extern void big_key_revoke(struct key *key);
+extern void big_key_destroy(struct key *key);
+extern void big_key_describe(const struct key *big_key, struct seq_file *m);
+extern long big_key_read(const struct key *key, char __user *buffer, size_t buflen);
+
+#endif /* _KEYS_BIG_KEY_TYPE_H */
diff --git a/include/keys/ceph-type.h b/include/keys/ceph-type.h
new file mode 100644
index 00000000000..f69c4ac197a
--- /dev/null
+++ b/include/keys/ceph-type.h
@@ -0,0 +1,8 @@
+#ifndef _KEYS_CEPH_TYPE_H
+#define _KEYS_CEPH_TYPE_H
+
+#include <linux/key.h>
+
+extern struct key_type key_type_ceph;
+
+#endif
diff --git a/include/keys/encrypted-type.h b/include/keys/encrypted-type.h
index 95855017a32..1d4541370a6 100644
--- a/include/keys/encrypted-type.h
+++ b/include/keys/encrypted-type.h
@@ -1,6 +1,11 @@
 /*
  * Copyright (C) 2010 IBM Corporation
- * Author: Mimi Zohar <zohar@us.ibm.com>
+ * Copyright (C) 2010 Politecnico di Torino, Italy
+ *                    TORSEC group -- http://security.polito.it
+ *
+ * Authors:
+ * Mimi Zohar <zohar@us.ibm.com>
+ * Roberto Sassu <roberto.sassu@polito.it>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,13 +20,17 @@
 
 struct encrypted_key_payload {
 	struct rcu_head rcu;
+	char *format;		/* datablob: format */
 	char *master_desc;	/* datablob: master key name */
 	char *datalen;		/* datablob: decrypted key length */
 	u8 *iv;			/* datablob: iv */
 	u8 *encrypted_data;	/* datablob: encrypted data */
 	unsigned short datablob_len;	/* length of datablob */
 	unsigned short decrypted_datalen;	/* decrypted data length */
-	u8 decrypted_data[0];	/* decrypted data +  datablob + hmac */
+	unsigned short payload_datalen;		/* payload data length */
+	unsigned short encrypted_key_format;	/* encrypted key format */
+	u8 *decrypted_data;	/* decrypted data */
+	u8 payload_data[0];	/* payload data + datablob + hmac */
 };
 
 extern struct key_type key_type_encrypted;
diff --git a/include/keys/keyring-type.h b/include/keys/keyring-type.h
index 843f872a4b6..fca5c62340a 100644
--- a/include/keys/keyring-type.h
+++ b/include/keys/keyring-type.h
@@ -1,6 +1,6 @@
 /* Keyring key type
  *
- * Copyright (C) 2008 Red Hat, Inc. All Rights Reserved.
+ * Copyright (C) 2008, 2013 Red Hat, Inc. All Rights Reserved.
  * Written by David Howells (dhowells@redhat.com)
  *
  * This program is free software; you can redistribute it and/or
@@ -13,19 +13,6 @@
 #define _KEYS_KEYRING_TYPE_H
 
 #include <linux/key.h>
-#include <linux/rcupdate.h>
-
-/*
- * the keyring payload contains a list of the keys to which the keyring is
- * subscribed
- */
-struct keyring_list {
-	struct rcu_head	rcu;		/* RCU deletion hook */
-	unsigned short	maxkeys;	/* max keys this list can hold */
-	unsigned short	nkeys;		/* number of keys currently held */
-	unsigned short	delkey;		/* key to be unlinked by RCU */
-	struct key	*keys[0];
-};
-
+#include <linux/assoc_array.h>
 
 #endif /* _KEYS_KEYRING_TYPE_H */
diff --git a/include/keys/system_keyring.h b/include/keys/system_keyring.h
new file mode 100644
index 00000000000..8dabc399bd1
--- /dev/null
+++ b/include/keys/system_keyring.h
@@ -0,0 +1,23 @@
+/* System keyring containing trusted public keys.
+ *
+ * Copyright (C) 2013 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+
+#ifndef _KEYS_SYSTEM_KEYRING_H
+#define _KEYS_SYSTEM_KEYRING_H
+
+#ifdef CONFIG_SYSTEM_TRUSTED_KEYRING
+
+#include <linux/key.h>
+
+extern struct key *system_trusted_keyring;
+
+#endif
+
+#endif /* _KEYS_SYSTEM_KEYRING_H */
diff --git a/include/keys/user-type.h b/include/keys/user-type.h
index c37c34275a4..5e452c84f1e 100644
--- a/include/keys/user-type.h
+++ b/include/keys/user-type.h
@@ -17,7 +17,7 @@
 
 /*****************************************************************************/
 /*
- * the payload for a key of type "user"
+ * the payload for a key of type "user" or "logon"
  * - once filled in and attached to a key:
  *   - the payload struct is invariant may not be changed, only replaced
  *   - the payload must be read with RCU procedures or with the key semaphore
@@ -33,9 +33,12 @@ struct user_key_payload {
 };
 
 extern struct key_type key_type_user;
+extern struct key_type key_type_logon;
 
-extern int user_instantiate(struct key *key, const void *data, size_t datalen);
-extern int user_update(struct key *key, const void *data, size_t datalen);
+struct key_preparsed_payload;
+
+extern int user_instantiate(struct key *key, struct key_preparsed_payload *prep);
+extern int user_update(struct key *key, struct key_preparsed_payload *prep);
 extern int user_match(const struct key *key, const void *criterion);
 extern void user_revoke(struct key *key);
 extern void user_destroy(struct key *key);