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Diffstat (limited to 'security/keys/user_defined.c')
-rw-r--r--security/keys/user_defined.c32
1 files changed, 18 insertions, 14 deletions
diff --git a/security/keys/user_defined.c b/security/keys/user_defined.c
index c7660a25a3e..faa2caeb593 100644
--- a/security/keys/user_defined.c
+++ b/security/keys/user_defined.c
@@ -25,14 +25,15 @@ static int logon_vet_description(const char *desc);
* arbitrary blob of data as the payload
*/
struct key_type key_type_user = {
- .name = "user",
- .instantiate = user_instantiate,
- .update = user_update,
- .match = user_match,
- .revoke = user_revoke,
- .destroy = user_destroy,
- .describe = user_describe,
- .read = user_read,
+ .name = "user",
+ .def_lookup_type = KEYRING_SEARCH_LOOKUP_DIRECT,
+ .instantiate = user_instantiate,
+ .update = user_update,
+ .match = user_match,
+ .revoke = user_revoke,
+ .destroy = user_destroy,
+ .describe = user_describe,
+ .read = user_read,
};
EXPORT_SYMBOL_GPL(key_type_user);
@@ -45,6 +46,7 @@ EXPORT_SYMBOL_GPL(key_type_user);
*/
struct key_type key_type_logon = {
.name = "logon",
+ .def_lookup_type = KEYRING_SEARCH_LOOKUP_DIRECT,
.instantiate = user_instantiate,
.update = user_update,
.match = user_match,
@@ -58,13 +60,14 @@ EXPORT_SYMBOL_GPL(key_type_logon);
/*
* instantiate a user defined key
*/
-int user_instantiate(struct key *key, const void *data, size_t datalen)
+int user_instantiate(struct key *key, struct key_preparsed_payload *prep)
{
struct user_key_payload *upayload;
+ size_t datalen = prep->datalen;
int ret;
ret = -EINVAL;
- if (datalen <= 0 || datalen > 32767 || !data)
+ if (datalen <= 0 || datalen > 32767 || !prep->data)
goto error;
ret = key_payload_reserve(key, datalen);
@@ -78,7 +81,7 @@ int user_instantiate(struct key *key, const void *data, size_t datalen)
/* attach the data */
upayload->datalen = datalen;
- memcpy(upayload->data, data, datalen);
+ memcpy(upayload->data, prep->data, datalen);
rcu_assign_keypointer(key, upayload);
ret = 0;
@@ -92,13 +95,14 @@ EXPORT_SYMBOL_GPL(user_instantiate);
* update a user defined key
* - the key's semaphore is write-locked
*/
-int user_update(struct key *key, const void *data, size_t datalen)
+int user_update(struct key *key, struct key_preparsed_payload *prep)
{
struct user_key_payload *upayload, *zap;
+ size_t datalen = prep->datalen;
int ret;
ret = -EINVAL;
- if (datalen <= 0 || datalen > 32767 || !data)
+ if (datalen <= 0 || datalen > 32767 || !prep->data)
goto error;
/* construct a replacement payload */
@@ -108,7 +112,7 @@ int user_update(struct key *key, const void *data, size_t datalen)
goto error;
upayload->datalen = datalen;
- memcpy(upayload->data, data, datalen);
+ memcpy(upayload->data, prep->data, datalen);
/* check the quota and attach the new data */
zap = upayload;