Driver core: add dev_archdata to struct device

[linux-2.6.git] / security / keys / request_key.c

diff --git a/security/keys/request_key.c b/security/keys/request_key.c
index eab66a06ca53528f6d8d195aaa84856baa69e7aa..f573ac189a0a6595b2184b43a9d54c3b01e0d5a0 100644 (file)
--- a/security/keys/request_key.c
+++ b/security/keys/request_key.c
@@ -1,6 +1,6 @@
 /* request_key.c: request a key from userspace
  *
- * Copyright (C) 2004-5 Red Hat, Inc. All Rights Reserved.
+ * Copyright (C) 2004-6 Red Hat, Inc. All Rights Reserved.
  * Written by David Howells (dhowells@redhat.com)
  *
  * This program is free software; you can redistribute it and/or
@@ -33,7 +33,8 @@ DECLARE_WAIT_QUEUE_HEAD(request_key_conswq);
  */
 static int call_sbin_request_key(struct key *key,
                                 struct key *authkey,
-                                const char *op)
+                                const char *op,
+                                void *aux)
 {
        struct task_struct *tsk = current;
        key_serial_t prkey, sskey;
@@ -48,8 +49,8 @@ static int call_sbin_request_key(struct key *key,
        /* allocate a new session keyring */
        sprintf(desc, "_req.%u", key->serial);
 
-       keyring = keyring_alloc(desc, current->fsuid, current->fsgid,
-                               current, 1, NULL);
+       keyring = keyring_alloc(desc, current->fsuid, current->fsgid, current,
+                               KEY_ALLOC_QUOTA_OVERRUN, NULL);
        if (IS_ERR(keyring)) {
                ret = PTR_ERR(keyring);
                goto error_alloc;
@@ -126,7 +127,9 @@ error_alloc:
  */
 static struct key *__request_key_construction(struct key_type *type,
                                              const char *description,
-                                             const char *callout_info)
+                                             const char *callout_info,
+                                             void *aux,
+                                             unsigned long flags)
 {
        request_key_actor_t actor;
        struct key_construction cons;
@@ -134,12 +137,12 @@ static struct key *__request_key_construction(struct key_type *type,
        struct key *key, *authkey;
        int ret, negated;
 
-       kenter("%s,%s,%s", type->name, description, callout_info);
+       kenter("%s,%s,%s,%lx", type->name, description, callout_info, flags);
 
        /* create a key and add it to the queue */
        key = key_alloc(type, description,
-                       current->fsuid, current->fsgid,
-                       current, KEY_POS_ALL, 0);
+                       current->fsuid, current->fsgid, current, KEY_POS_ALL,
+                       flags);
        if (IS_ERR(key))
                goto alloc_failed;
 
@@ -163,7 +166,7 @@ static struct key *__request_key_construction(struct key_type *type,
        actor = call_sbin_request_key;
        if (type->request_key)
                actor = type->request_key;
-       ret = actor(key, authkey, "create");
+       ret = actor(key, authkey, "create", aux);
        if (ret < 0)
                goto request_failed;
 
@@ -257,16 +260,18 @@ alloc_failed:
  */
 static struct key *request_key_construction(struct key_type *type,
                                            const char *description,
+                                           const char *callout_info,
+                                           void *aux,
                                            struct key_user *user,
-                                           const char *callout_info)
+                                           unsigned long flags)
 {
        struct key_construction *pcons;
        struct key *key, *ckey;
 
        DECLARE_WAITQUEUE(myself, current);
 
-       kenter("%s,%s,{%d},%s",
-              type->name, description, user->uid, callout_info);
+       kenter("%s,%s,{%d},%s,%lx",
+              type->name, description, user->uid, callout_info, flags);
 
        /* see if there's such a key under construction already */
        down_write(&key_construction_sem);
@@ -282,7 +287,8 @@ static struct key *request_key_construction(struct key_type *type,
        }
 
        /* see about getting userspace to construct the key */
-       key = __request_key_construction(type, description, callout_info);
+       key = __request_key_construction(type, description, callout_info, aux,
+                                        flags);
  error:
        kleave(" = %p", key);
        return key;
@@ -389,14 +395,17 @@ static void request_key_link(struct key *key, struct key *dest_keyring)
 struct key *request_key_and_link(struct key_type *type,
                                 const char *description,
                                 const char *callout_info,
-                                struct key *dest_keyring)
+                                void *aux,
+                                struct key *dest_keyring,
+                                unsigned long flags)
 {
        struct key_user *user;
        struct key *key;
        key_ref_t key_ref;
 
-       kenter("%s,%s,%s,%p",
-              type->name, description, callout_info, dest_keyring);
+       kenter("%s,%s,%s,%p,%p,%lx",
+              type->name, description, callout_info, aux,
+              dest_keyring, flags);
 
        /* search all the process keyrings for a key */
        key_ref = search_process_keyrings(type, description, type->match,
@@ -429,7 +438,8 @@ struct key *request_key_and_link(struct key_type *type,
                        /* ask userspace (returns NULL if it waited on a key
                         * being constructed) */
                        key = request_key_construction(type, description,
-                                                      user, callout_info);
+                                                      callout_info, aux,
+                                                      user, flags);
                        if (key)
                                break;
 
@@ -485,8 +495,28 @@ struct key *request_key(struct key_type *type,
                        const char *description,
                        const char *callout_info)
 {
-       return request_key_and_link(type, description, callout_info, NULL);
+       return request_key_and_link(type, description, callout_info, NULL,
+                                   NULL, KEY_ALLOC_IN_QUOTA);
 
 } /* end request_key() */
 
 EXPORT_SYMBOL(request_key);
+
+/*****************************************************************************/
+/*
+ * request a key with auxiliary data for the upcaller
+ * - search the process's keyrings
+ * - check the list of keys being created or updated
+ * - call out to userspace for a key if supplementary info was provided
+ */
+struct key *request_key_with_auxdata(struct key_type *type,
+                                    const char *description,
+                                    const char *callout_info,
+                                    void *aux)
+{
+       return request_key_and_link(type, description, callout_info, aux,
+                                   NULL, KEY_ALLOC_IN_QUOTA);
+
+} /* end request_key_with_auxdata() */
+
+EXPORT_SYMBOL(request_key_with_auxdata);