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-rw-r--r--security/keys/request_key.c36
1 files changed, 21 insertions, 15 deletions
diff --git a/security/keys/request_key.c b/security/keys/request_key.c
index eab66a06ca53..58d1efd4fc2c 100644
--- a/security/keys/request_key.c
+++ b/security/keys/request_key.c
@@ -48,8 +48,8 @@ static int call_sbin_request_key(struct key *key,
48 /* allocate a new session keyring */ 48 /* allocate a new session keyring */
49 sprintf(desc, "_req.%u", key->serial); 49 sprintf(desc, "_req.%u", key->serial);
50 50
51 keyring = keyring_alloc(desc, current->fsuid, current->fsgid, 51 keyring = keyring_alloc(desc, current->fsuid, current->fsgid, current,
52 current, 1, NULL); 52 KEY_ALLOC_QUOTA_OVERRUN, NULL);
53 if (IS_ERR(keyring)) { 53 if (IS_ERR(keyring)) {
54 ret = PTR_ERR(keyring); 54 ret = PTR_ERR(keyring);
55 goto error_alloc; 55 goto error_alloc;
@@ -126,7 +126,8 @@ error_alloc:
126 */ 126 */
127static struct key *__request_key_construction(struct key_type *type, 127static struct key *__request_key_construction(struct key_type *type,
128 const char *description, 128 const char *description,
129 const char *callout_info) 129 const char *callout_info,
130 unsigned long flags)
130{ 131{
131 request_key_actor_t actor; 132 request_key_actor_t actor;
132 struct key_construction cons; 133 struct key_construction cons;
@@ -134,12 +135,12 @@ static struct key *__request_key_construction(struct key_type *type,
134 struct key *key, *authkey; 135 struct key *key, *authkey;
135 int ret, negated; 136 int ret, negated;
136 137
137 kenter("%s,%s,%s", type->name, description, callout_info); 138 kenter("%s,%s,%s,%lx", type->name, description, callout_info, flags);
138 139
139 /* create a key and add it to the queue */ 140 /* create a key and add it to the queue */
140 key = key_alloc(type, description, 141 key = key_alloc(type, description,
141 current->fsuid, current->fsgid, 142 current->fsuid, current->fsgid, current, KEY_POS_ALL,
142 current, KEY_POS_ALL, 0); 143 flags);
143 if (IS_ERR(key)) 144 if (IS_ERR(key))
144 goto alloc_failed; 145 goto alloc_failed;
145 146
@@ -258,15 +259,16 @@ alloc_failed:
258static struct key *request_key_construction(struct key_type *type, 259static struct key *request_key_construction(struct key_type *type,
259 const char *description, 260 const char *description,
260 struct key_user *user, 261 struct key_user *user,
261 const char *callout_info) 262 const char *callout_info,
263 unsigned long flags)
262{ 264{
263 struct key_construction *pcons; 265 struct key_construction *pcons;
264 struct key *key, *ckey; 266 struct key *key, *ckey;
265 267
266 DECLARE_WAITQUEUE(myself, current); 268 DECLARE_WAITQUEUE(myself, current);
267 269
268 kenter("%s,%s,{%d},%s", 270 kenter("%s,%s,{%d},%s,%lx",
269 type->name, description, user->uid, callout_info); 271 type->name, description, user->uid, callout_info, flags);
270 272
271 /* see if there's such a key under construction already */ 273 /* see if there's such a key under construction already */
272 down_write(&key_construction_sem); 274 down_write(&key_construction_sem);
@@ -282,7 +284,8 @@ static struct key *request_key_construction(struct key_type *type,
282 } 284 }
283 285
284 /* see about getting userspace to construct the key */ 286 /* see about getting userspace to construct the key */
285 key = __request_key_construction(type, description, callout_info); 287 key = __request_key_construction(type, description, callout_info,
288 flags);
286 error: 289 error:
287 kleave(" = %p", key); 290 kleave(" = %p", key);
288 return key; 291 return key;
@@ -389,14 +392,15 @@ static void request_key_link(struct key *key, struct key *dest_keyring)
389struct key *request_key_and_link(struct key_type *type, 392struct key *request_key_and_link(struct key_type *type,
390 const char *description, 393 const char *description,
391 const char *callout_info, 394 const char *callout_info,
392 struct key *dest_keyring) 395 struct key *dest_keyring,
396 unsigned long flags)
393{ 397{
394 struct key_user *user; 398 struct key_user *user;
395 struct key *key; 399 struct key *key;
396 key_ref_t key_ref; 400 key_ref_t key_ref;
397 401
398 kenter("%s,%s,%s,%p", 402 kenter("%s,%s,%s,%p,%lx",
399 type->name, description, callout_info, dest_keyring); 403 type->name, description, callout_info, dest_keyring, flags);
400 404
401 /* search all the process keyrings for a key */ 405 /* search all the process keyrings for a key */
402 key_ref = search_process_keyrings(type, description, type->match, 406 key_ref = search_process_keyrings(type, description, type->match,
@@ -429,7 +433,8 @@ struct key *request_key_and_link(struct key_type *type,
429 /* ask userspace (returns NULL if it waited on a key 433 /* ask userspace (returns NULL if it waited on a key
430 * being constructed) */ 434 * being constructed) */
431 key = request_key_construction(type, description, 435 key = request_key_construction(type, description,
432 user, callout_info); 436 user, callout_info,
437 flags);
433 if (key) 438 if (key)
434 break; 439 break;
435 440
@@ -485,7 +490,8 @@ struct key *request_key(struct key_type *type,
485 const char *description, 490 const char *description,
486 const char *callout_info) 491 const char *callout_info)
487{ 492{
488 return request_key_and_link(type, description, callout_info, NULL); 493 return request_key_and_link(type, description, callout_info, NULL,
494 KEY_ALLOC_IN_QUOTA);
489 495
490} /* end request_key() */ 496} /* end request_key() */
491 497