提交 5d2787cf 编写于 作者: D David Howells

KEYS: Add an alloc flag to convey the builtinness of a key

Add KEY_ALLOC_BUILT_IN to convey that a key should have KEY_FLAG_BUILTIN
set rather than setting it after the fact.
Signed-off-by: NDavid Howells <dhowells@redhat.com>
Acked-by: NMimi Zohar <zohar@linux.vnet.ibm.com>
上级 411a6f58
......@@ -84,12 +84,12 @@ static __init int load_system_certificate_list(void)
((KEY_POS_ALL & ~KEY_POS_SETATTR) |
KEY_USR_VIEW | KEY_USR_READ),
KEY_ALLOC_NOT_IN_QUOTA |
KEY_ALLOC_TRUSTED);
KEY_ALLOC_TRUSTED |
KEY_ALLOC_BUILT_IN);
if (IS_ERR(key)) {
pr_err("Problem loading in-kernel X.509 certificate (%ld)\n",
PTR_ERR(key));
} else {
set_bit(KEY_FLAG_BUILTIN, &key_ref_to_ptr(key)->flags);
pr_notice("Loaded X.509 cert '%s'\n",
key_ref_to_ptr(key)->description);
key_ref_put(key);
......
......@@ -219,6 +219,7 @@ extern struct key *key_alloc(struct key_type *type,
#define KEY_ALLOC_QUOTA_OVERRUN 0x0001 /* add to quota, permit even if overrun */
#define KEY_ALLOC_NOT_IN_QUOTA 0x0002 /* not in quota */
#define KEY_ALLOC_TRUSTED 0x0004 /* Key should be flagged as trusted */
#define KEY_ALLOC_BUILT_IN 0x0008 /* Key is built into kernel */
extern void key_revoke(struct key *key);
extern void key_invalidate(struct key *key);
......
......@@ -296,6 +296,8 @@ struct key *key_alloc(struct key_type *type, const char *desc,
key->flags |= 1 << KEY_FLAG_IN_QUOTA;
if (flags & KEY_ALLOC_TRUSTED)
key->flags |= 1 << KEY_FLAG_TRUSTED;
if (flags & KEY_ALLOC_BUILT_IN)
key->flags |= 1 << KEY_FLAG_BUILTIN;
#ifdef KEY_DEBUGGING
key->magic = KEY_DEBUG_MAGIC;
......
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