#include <linux/kmod.h>
#include <linux/err.h>
#include <linux/keyctl.h>
+#include <linux/slab.h>
#include "internal.h"
/*
* call out to userspace for key construction
* - we ignore program failure and go on key status instead
*/
-static int construct_key(struct key *key, const char *callout_info, void *aux)
+static int construct_key(struct key *key, const void *callout_info,
+ size_t callout_len, void *aux)
{
struct key_construction *cons;
request_key_actor_t actor;
struct key *authkey;
int ret;
- kenter("%d,%s,%p", key->serial, callout_info, aux);
+ kenter("%d,%p,%zu,%p", key->serial, callout_info, callout_len, aux);
cons = kmalloc(sizeof(*cons), GFP_KERNEL);
if (!cons)
return -ENOMEM;
/* allocate an authorisation key */
- authkey = request_key_auth_new(key, callout_info);
+ authkey = request_key_auth_new(key, callout_info, callout_len);
if (IS_ERR(authkey)) {
kfree(cons);
ret = PTR_ERR(authkey);
static struct key *construct_key_and_link(struct key_type *type,
const char *description,
const char *callout_info,
+ size_t callout_len,
void *aux,
struct key *dest_keyring,
unsigned long flags)
key_user_put(user);
if (ret == 0) {
- ret = construct_key(key, callout_info, aux);
+ ret = construct_key(key, callout_info, callout_len, aux);
if (ret < 0)
goto construction_failed;
}
*/
struct key *request_key_and_link(struct key_type *type,
const char *description,
- const char *callout_info,
+ const void *callout_info,
+ size_t callout_len,
void *aux,
struct key *dest_keyring,
unsigned long flags)
struct key *key;
key_ref_t key_ref;
- kenter("%s,%s,%s,%p,%p,%lx",
- type->name, description, callout_info, aux,
+ kenter("%s,%s,%p,%zu,%p,%p,%lx",
+ type->name, description, callout_info, callout_len, aux,
dest_keyring, flags);
/* search all the process keyrings for a key */
goto error;
key = construct_key_and_link(type, description, callout_info,
- aux, dest_keyring, flags);
+ callout_len, aux, dest_keyring,
+ flags);
}
error:
const char *callout_info)
{
struct key *key;
+ size_t callout_len = 0;
int ret;
- key = request_key_and_link(type, description, callout_info, NULL,
- NULL, KEY_ALLOC_IN_QUOTA);
+ if (callout_info)
+ callout_len = strlen(callout_info);
+ key = request_key_and_link(type, description, callout_info, callout_len,
+ NULL, NULL, KEY_ALLOC_IN_QUOTA);
if (!IS_ERR(key)) {
ret = wait_for_key_construction(key, false);
if (ret < 0) {
*/
struct key *request_key_with_auxdata(struct key_type *type,
const char *description,
- const char *callout_info,
+ const void *callout_info,
+ size_t callout_len,
void *aux)
{
struct key *key;
int ret;
- key = request_key_and_link(type, description, callout_info, aux,
- NULL, KEY_ALLOC_IN_QUOTA);
+ key = request_key_and_link(type, description, callout_info, callout_len,
+ aux, NULL, KEY_ALLOC_IN_QUOTA);
if (!IS_ERR(key)) {
ret = wait_for_key_construction(key, false);
if (ret < 0) {
*/
struct key *request_key_async(struct key_type *type,
const char *description,
- const char *callout_info)
+ const void *callout_info,
+ size_t callout_len)
{
- return request_key_and_link(type, description, callout_info, NULL,
- NULL, KEY_ALLOC_IN_QUOTA);
+ return request_key_and_link(type, description, callout_info,
+ callout_len, NULL, NULL,
+ KEY_ALLOC_IN_QUOTA);
}
EXPORT_SYMBOL(request_key_async);
*/
struct key *request_key_async_with_auxdata(struct key_type *type,
const char *description,
- const char *callout_info,
+ const void *callout_info,
+ size_t callout_len,
void *aux)
{
- return request_key_and_link(type, description, callout_info, aux,
- NULL, KEY_ALLOC_IN_QUOTA);
+ return request_key_and_link(type, description, callout_info,
+ callout_len, aux, NULL, KEY_ALLOC_IN_QUOTA);
}
EXPORT_SYMBOL(request_key_async_with_auxdata);