diff --git a/src/server/user_mgr.h b/src/server/user_mgr.h
--- a/src/server/user_mgr.h
+++ b/src/server/user_mgr.h
@@ -27,13 +27,63 @@
 
 struct user
 {
-	char *username;
-	int render_power;
-	int last_job;
+  char *username;
+  char *pass;
+  int render_power;
+  int last_job;
 };
+typedef struct user *user_t;
+
+struct user_mgr;
+typedef struct user_mgr *user_mgr_t;
+
+/**
+ * \brief Allocate and initialize a user_mgr.
+ *
+ * \param userfile The path to where and XML file with user
+ *   information may be found and where the users file should be save
+ *   to when new users are added.
+ * \return The new user_mgr or NULL on error.
+ */
+user_mgr_t user_mgr_init(const char *userfile);
+
+/**
+ * \brief Find a user by username.
+ *
+ * \param user_mgr The user_mgr...
+ * \param username The username to search for.
+ * \return The user if it is in user_mgr or NULL.
+ */
+user_t user_find(user_mgr_t user_mgr, const char *username);
+
+/**
+ * \brief Add a user to the user_mgr.
+ *
+ * \param username The user's username (which is local in scope to this server).
+ * \param pass The user's plaintext password (insecurity is sooo much easier ;-) ).
+ * \return 0 on success, 1 on failure (attempt to insert duplicate user, etc.).
+ */
+int user_add(user_mgr_t user_mgr, const char *username, const char *pass);
+
+/**
+ * \brief Delete a user.
+ *
+ * The user handle passed to this function is no longer valid after
+ * this function is called.
+ *
+ * \param user The user's handle as retrieved via user_find().
+ * \return 0 on success, 1 on failure (user does not exist, inconsistency, etc.)
+ */
+int user_delete(user_mgr_t user_mgr, user_t user);
+
+/**
+ * \brief Write out the XML file listing all of the users local to this server.
+ *
+ * \param filename The file to write the userlist to or NULL if you
+ *   want to write to the same filename you loaded the usre_mgr from.
+ */
+int user_mgr_save(user_mgr_t user_mgr, const char *filename);
 
 
-int restart_From_XML_backup();
-int backup_list_XML();
 
 #endif