struct mutex mux;
};
-struct ecryptfs_daemon;
-
struct ecryptfs_daemon {
#define ECRYPTFS_DAEMON_IN_READ 0x00000001
#define ECRYPTFS_DAEMON_IN_POLL 0x00000002
ecryptfs_setxattr(struct dentry *dentry, const char *name, const void *value,
size_t size, int flags);
int ecryptfs_read_xattr_region(char *page_virt, struct inode *ecryptfs_inode);
-int ecryptfs_process_helo(uid_t euid, struct user_namespace *user_ns,
- struct pid *pid);
-int ecryptfs_process_quit(uid_t euid, struct user_namespace *user_ns,
- struct pid *pid);
int ecryptfs_process_response(struct ecryptfs_message *msg, uid_t euid,
struct user_namespace *user_ns, struct pid *pid,
u32 seq);
}
/**
- * ecryptfs_process_quit
- * @euid: The user ID owner of the message
- * @user_ns: The namespace in which @euid applies
- * @pid: The process ID for the userspace program that sent the
- * message
- *
- * Deletes the corresponding daemon for the given euid and pid, if
- * it is the registered that is requesting the deletion. Returns zero
- * after deleting the desired daemon; non-zero otherwise.
- */
-int ecryptfs_process_quit(uid_t euid, struct user_namespace *user_ns,
- struct pid *pid)
-{
- struct ecryptfs_daemon *daemon;
- int rc;
-
- mutex_lock(&ecryptfs_daemon_hash_mux);
- rc = ecryptfs_find_daemon_by_euid(&daemon, euid, user_ns);
- if (rc || !daemon) {
- rc = -EINVAL;
- printk(KERN_ERR "Received request from user [%d] to "
- "unregister unrecognized daemon [0x%p]\n", euid, pid);
- goto out_unlock;
- }
- rc = ecryptfs_exorcise_daemon(daemon);
-out_unlock:
- mutex_unlock(&ecryptfs_daemon_hash_mux);
- return rc;
-}
-
-/**
* ecryptfs_process_reponse
* @msg: The ecryptfs message received; the caller should sanity check
* msg->data_len and free the memory