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-rw-r--r--include/linux/key.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/key.h b/include/linux/key.h
index 4d189e5..cbf464a 100644
--- a/include/linux/key.h
+++ b/include/linux/key.h
@@ -177,6 +177,8 @@ struct key {
/*
* kernel managed key type definition
*/
+typedef int (*request_key_actor_t)(struct key *key, struct key *authkey, const char *op);
+
struct key_type {
/* name of the type */
const char *name;
@@ -218,6 +220,16 @@ struct key_type {
*/
long (*read)(const struct key *key, char __user *buffer, size_t buflen);
+ /* handle request_key() for this type instead of invoking
+ * /sbin/request-key (optional)
+ * - key is the key to instantiate
+ * - authkey is the authority to assume when instantiating this key
+ * - op is the operation to be done, usually "create"
+ * - the call must not return until the instantiation process has run
+ * its course
+ */
+ request_key_actor_t request_key;
+
/* internal fields */
struct list_head link; /* link in types list */
};