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Date: Wed, 06 Aug 2008 16:37:24 +0100
From: David Howells <dhowells@...hat.com>
To: jmorris@...ei.org, akpm@...ux-foundation.org, morgan@...nel.org
Cc: sfr@...b.auug.org.au, dhowells@...hat.com, viro@....linux.org.uk,
casey@...aufler-ca.com, linux-security-module@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 02/24] KEYS: Disperse linux/key_ui.h [ver #7]
Disperse the bits of linux/key_ui.h as the reason they were put here (keyfs)
didn't get in.
Signed-off-by: David Howells <dhowells@...hat.com>
Reviewed-by: James Morris <jmorris@...ei.org>
---
include/keys/keyring-type.h | 31 ++++++++++++++++++++
include/linux/key-ui.h | 66 -------------------------------------------
security/keys/internal.h | 31 ++++++++++++++++++++
security/keys/keyring.c | 1 +
security/keys/request_key.c | 2 +
5 files changed, 64 insertions(+), 67 deletions(-)
create mode 100644 include/keys/keyring-type.h
delete mode 100644 include/linux/key-ui.h
diff --git a/include/keys/keyring-type.h b/include/keys/keyring-type.h
new file mode 100644
index 0000000..843f872
--- /dev/null
+++ b/include/keys/keyring-type.h
@@ -0,0 +1,31 @@
+/* Keyring key type
+ *
+ * Copyright (C) 2008 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@...hat.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_KEYRING_TYPE_H
+#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];
+};
+
+
+#endif /* _KEYS_KEYRING_TYPE_H */
diff --git a/include/linux/key-ui.h b/include/linux/key-ui.h
deleted file mode 100644
index e8b8a7a..0000000
--- a/include/linux/key-ui.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/* key-ui.h: key userspace interface stuff
- *
- * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@...hat.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 _LINUX_KEY_UI_H
-#define _LINUX_KEY_UI_H
-
-#include <linux/key.h>
-
-/* the key tree */
-extern struct rb_root key_serial_tree;
-extern spinlock_t key_serial_lock;
-
-/* required permissions */
-#define KEY_VIEW 0x01 /* require permission to view attributes */
-#define KEY_READ 0x02 /* require permission to read content */
-#define KEY_WRITE 0x04 /* require permission to update / modify */
-#define KEY_SEARCH 0x08 /* require permission to search (keyring) or find (key) */
-#define KEY_LINK 0x10 /* require permission to link */
-#define KEY_SETATTR 0x20 /* require permission to change attributes */
-#define KEY_ALL 0x3f /* all the above permissions */
-
-/*
- * 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];
-};
-
-/*
- * check to see whether permission is granted to use a key in the desired way
- */
-extern int key_task_permission(const key_ref_t key_ref,
- struct task_struct *context,
- key_perm_t perm);
-
-static inline int key_permission(const key_ref_t key_ref, key_perm_t perm)
-{
- return key_task_permission(key_ref, current, perm);
-}
-
-extern key_ref_t lookup_user_key(struct task_struct *context,
- key_serial_t id, int create, int partial,
- key_perm_t perm);
-
-extern long join_session_keyring(const char *name);
-
-extern struct key_type *key_type_lookup(const char *type);
-extern void key_type_put(struct key_type *ktype);
-
-#define key_negative_timeout 60 /* default timeout on a negative key's existence */
-
-
-#endif /* _LINUX_KEY_UI_H */
diff --git a/security/keys/internal.h b/security/keys/internal.h
index b39f5c2..a60c681 100644
--- a/security/keys/internal.h
+++ b/security/keys/internal.h
@@ -13,7 +13,6 @@
#define _INTERNAL_H
#include <linux/key-type.h>
-#include <linux/key-ui.h>
static inline __attribute__((format(printf, 1, 2)))
void no_printk(const char *fmt, ...)
@@ -82,6 +81,9 @@ extern struct mutex key_construction_mutex;
extern wait_queue_head_t request_key_conswq;
+extern struct key_type *key_type_lookup(const char *type);
+extern void key_type_put(struct key_type *ktype);
+
extern int __key_link(struct key *keyring, struct key *key);
extern key_ref_t __keyring_search_one(key_ref_t keyring_ref,
@@ -118,6 +120,33 @@ extern struct key *request_key_and_link(struct key_type *type,
struct key *dest_keyring,
unsigned long flags);
+extern key_ref_t lookup_user_key(struct task_struct *context,
+ key_serial_t id, int create, int partial,
+ key_perm_t perm);
+
+extern long join_session_keyring(const char *name);
+
+/*
+ * check to see whether permission is granted to use a key in the desired way
+ */
+extern int key_task_permission(const key_ref_t key_ref,
+ struct task_struct *context,
+ key_perm_t perm);
+
+static inline int key_permission(const key_ref_t key_ref, key_perm_t perm)
+{
+ return key_task_permission(key_ref, current, perm);
+}
+
+/* required permissions */
+#define KEY_VIEW 0x01 /* require permission to view attributes */
+#define KEY_READ 0x02 /* require permission to read content */
+#define KEY_WRITE 0x04 /* require permission to update / modify */
+#define KEY_SEARCH 0x08 /* require permission to search (keyring) or find (key) */
+#define KEY_LINK 0x10 /* require permission to link */
+#define KEY_SETATTR 0x20 /* require permission to change attributes */
+#define KEY_ALL 0x3f /* all the above permissions */
+
/*
* request_key authorisation
*/
diff --git a/security/keys/keyring.c b/security/keys/keyring.c
index a9ab8af..fdf75f9 100644
--- a/security/keys/keyring.c
+++ b/security/keys/keyring.c
@@ -16,6 +16,7 @@
#include <linux/security.h>
#include <linux/seq_file.h>
#include <linux/err.h>
+#include <keys/keyring-type.h>
#include <asm/uaccess.h>
#include "internal.h"
diff --git a/security/keys/request_key.c b/security/keys/request_key.c
index ba32ca6..b9e50a9 100644
--- a/security/keys/request_key.c
+++ b/security/keys/request_key.c
@@ -19,6 +19,8 @@
#include <linux/slab.h>
#include "internal.h"
+#define key_negative_timeout 60 /* default timeout on a negative key's existence */
+
/*
* wait_on_bit() sleep function for uninterruptible waiting
*/
--
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