CRED: Inaugurate COW credentials

[linux-2.6-omap-h63xx.git] / include / linux / key.h

diff --git a/include/linux/key.h b/include/linux/key.h
index 0836cc838b0cafcc10df69bd5ad7d6a713722410..69ecf0934b025891d282fae1a3566ca5503aa678 100644 (file)
--- a/include/linux/key.h
+++ b/include/linux/key.h
@@ -73,6 +73,7 @@ struct key;
 struct seq_file;
 struct user_struct;
 struct signal_struct;
+struct cred;
 
 struct key_type;
 struct key_owner;
@@ -181,7 +182,7 @@ struct key {
 extern struct key *key_alloc(struct key_type *type,
                             const char *desc,
                             uid_t uid, gid_t gid,
-                            struct task_struct *ctx,
+                            const struct cred *cred,
                             key_perm_t perm,
                             unsigned long flags);
 
@@ -249,7 +250,7 @@ extern int key_unlink(struct key *keyring,
                      struct key *key);
 
 extern struct key *keyring_alloc(const char *description, uid_t uid, gid_t gid,
-                                struct task_struct *ctx,
+                                const struct cred *cred,
                                 unsigned long flags,
                                 struct key *dest);
 
@@ -276,22 +277,12 @@ extern ctl_table key_sysctls[];
 /*
  * the userspace interface
  */
-extern void switch_uid_keyring(struct user_struct *new_user);
-extern int copy_keys(unsigned long clone_flags, struct task_struct *tsk);
-extern void exit_keys(struct task_struct *tsk);
-extern int suid_keys(struct task_struct *tsk);
+extern int install_thread_keyring_to_cred(struct cred *cred);
 extern int exec_keys(struct task_struct *tsk);
 extern void key_fsuid_changed(struct task_struct *tsk);
 extern void key_fsgid_changed(struct task_struct *tsk);
 extern void key_init(void);
 
-#define __install_session_keyring(keyring)                             \
-({                                                                     \
-       struct key *old_session = current->cred->tgcred->session_keyring; \
-       current->cred->tgcred->session_keyring = keyring;               \
-       old_session;                                                    \
-})
-
 #else /* CONFIG_KEYS */
 
 #define key_validate(k)                        0
@@ -303,11 +294,6 @@ extern void key_init(void);
 #define make_key_ref(k, p)             NULL
 #define key_ref_to_ptr(k)              NULL
 #define is_key_possessed(k)            0
-#define switch_uid_keyring(u)          do { } while(0)
-#define __install_session_keyring(k)   ({ NULL; })
-#define copy_keys(f,t)                 0
-#define exit_keys(t)                   do { } while(0)
-#define suid_keys(t)                   do { } while(0)
 #define exec_keys(t)                   do { } while(0)
 #define key_fsuid_changed(t)           do { } while(0)
 #define key_fsgid_changed(t)           do { } while(0)