]> git.ipfire.org Git - thirdparty/dhcp.git/commitdiff
Interactive client data structures for DHCP server.
authorTed Lemon <source@isc.org>
Thu, 9 Apr 1998 05:19:26 +0000 (05:19 +0000)
committerTed Lemon <source@isc.org>
Thu, 9 Apr 1998 05:19:26 +0000 (05:19 +0000)
server/dhcpdi.c [new file with mode: 0644]

diff --git a/server/dhcpdi.c b/server/dhcpdi.c
new file mode 100644 (file)
index 0000000..82815b2
--- /dev/null
@@ -0,0 +1,1075 @@
+/* dhcpdi.c
+
+   Text interaction routines for dhcp server. */
+
+/*
+ * Copyright (c) 1998 The Internet Software Consortium.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of The Internet Software Consortium nor the names
+ *    of its contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
+ * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This software was written for the Internet Software Consortium by
+ * Ted Lemon <mellon@fugue.com> in cooperation with Vixie Enterprises.
+ * To learn more about the Internet Software Consortium, see
+ * ``http://www.vix.com/isc''.  To learn more about Vixie Enterprises,
+ * see ``http://www.vix.com''.
+ */
+
+#ifndef lint
+static char copyright[] =
+"$Id: dhcpdi.c,v 1.1 1998/04/09 05:19:26 mellon Exp $ Copyright (c) 1998 The Internet Software Consortium.  All rights reserved.\n";
+#endif /* not lint */
+
+#include "dhcpd.h"
+
+static void top_level_ls PROTO ((struct interact_client *));
+static void top_level_print PROTO ((struct interact_client *, char *));
+static void top_level_set PROTO ((struct interact_client *, char *));
+static void top_level_rm PROTO ((struct interact_client *, char *));
+static void top_level_cd PROTO ((struct interact_client *, char *));
+static void top_level_cdup PROTO ((struct interact_client *));
+static void *top_level_next PROTO ((struct interact_client *, void *));
+
+static void interface_class_ls PROTO ((struct interact_client *));
+static void interface_class_print PROTO ((struct interact_client *, char *));
+static void interface_class_set PROTO ((struct interact_client *, char *));
+static void interface_class_rm PROTO ((struct interact_client *, char *));
+static void interface_class_cd PROTO ((struct interact_client *, char *));
+static void interface_class_cdup PROTO ((struct interact_client *));
+static void *interface_class_next PROTO ((struct interact_client *, void *));
+
+static void interface_ls PROTO ((struct interact_client *));
+static void interface_print PROTO ((struct interact_client *, char *));
+static void interface_set PROTO ((struct interact_client *, char *));
+static void interface_rm PROTO ((struct interact_client *, char *));
+static void interface_cd PROTO ((struct interact_client *, char *));
+static void interface_cdup PROTO ((struct interact_client *));
+static void *interface_next PROTO ((struct interact_client *, void *));
+
+static void shared_network_ls PROTO ((struct interact_client *));
+static void shared_network_class_ls PROTO ((struct interact_client *));
+static void shared_network_class_print PROTO ((struct interact_client *,
+                                              char *));
+static void shared_network_class_set PROTO ((struct interact_client *,
+                                            char *));
+static void shared_network_class_rm PROTO ((struct interact_client *,
+                                           char *));
+static void shared_network_class_cd PROTO ((struct interact_client *,
+                                           char *));
+static void shared_network_class_cdup PROTO ((struct interact_client *));
+static void *shared_network_class_next PROTO ((struct interact_client *,
+                                              void *));
+
+static void shared_network_print PROTO ((struct interact_client *, char *));
+static void shared_network_set PROTO ((struct interact_client *, char *));
+static void shared_network_rm PROTO ((struct interact_client *, char *));
+static void shared_network_cd PROTO ((struct interact_client *, char *));
+static void shared_network_cdup PROTO ((struct interact_client *));
+static void *shared_network_next PROTO ((struct interact_client *, void *));
+
+static void subnet_class_ls PROTO ((struct interact_client *));
+static void subnet_class_print PROTO ((struct interact_client *, char *));
+static void subnet_class_set PROTO ((struct interact_client *, char *));
+static void subnet_class_rm PROTO ((struct interact_client *, char *));
+static void subnet_class_cd PROTO ((struct interact_client *, char *));
+static void subnet_class_cdup PROTO ((struct interact_client *));
+static void *subnet_class_next PROTO ((struct interact_client *, void *));
+static void *subnet_class_next_share PROTO ((struct interact_client *,
+                                            void *));
+
+static void subnet_ls PROTO ((struct interact_client *));
+static void subnet_print PROTO ((struct interact_client *, char *));
+static void subnet_set PROTO ((struct interact_client *, char *));
+static void subnet_rm PROTO ((struct interact_client *, char *));
+static void subnet_cd PROTO ((struct interact_client *, char *));
+static void subnet_cdup PROTO ((struct interact_client *));
+static void *subnet_next PROTO ((struct interact_client *, void *));
+
+static void host_class_ls PROTO ((struct interact_client *));
+static void host_class_print PROTO ((struct interact_client *, char *));
+static void host_class_set PROTO ((struct interact_client *, char *));
+static void host_class_rm PROTO ((struct interact_client *, char *));
+static void host_class_cd PROTO ((struct interact_client *, char *));
+static void host_class_cdup PROTO ((struct interact_client *));
+static void *host_class_next PROTO ((struct interact_client *, void *));
+
+static void host_ls PROTO ((struct interact_client *));
+static void host_print PROTO ((struct interact_client *, char *));
+static void host_set PROTO ((struct interact_client *, char *));
+static void host_rm PROTO ((struct interact_client *, char *));
+static void host_cd PROTO ((struct interact_client *, char *));
+static void host_cdup PROTO ((struct interact_client *));
+static void *host_next PROTO ((struct interact_client *, void *));
+
+static void lease_ls PROTO ((struct interact_client *));
+static void lease_print PROTO ((struct interact_client *, char *));
+static void lease_set PROTO ((struct interact_client *, char *));
+static void lease_rm PROTO ((struct interact_client *, char *));
+static void lease_cd PROTO ((struct interact_client *, char *));
+static void lease_cdup PROTO ((struct interact_client *));
+static void lease_cdup_host PROTO ((struct interact_client *));
+static void *lease_next PROTO ((struct interact_client *, void *));
+
+static void *lease_next_active PROTO ((struct interact_client *, void *));
+static void *lease_next_free PROTO ((struct interact_client *, void *));
+static void *lease_next_abandoned PROTO ((struct interact_client *, void *));
+
+static void class_class_ls PROTO ((struct interact_client *));
+static void class_class_print PROTO ((struct interact_client *, char *));
+static void class_class_set PROTO ((struct interact_client *, char *));
+static void class_class_rm PROTO ((struct interact_client *, char *));
+static void class_class_cd PROTO ((struct interact_client *, char *));
+static void class_class_cdup PROTO ((struct interact_client *));
+static void *class_class_next PROTO ((struct interact_client *, void *));
+
+static void class_ls PROTO ((struct interact_client *));
+static void class_print PROTO ((struct interact_client *, char *));
+static void class_set PROTO ((struct interact_client *, char *));
+static void class_rm PROTO ((struct interact_client *, char *));
+static void class_cd PROTO ((struct interact_client *, char *));
+static void class_cdup PROTO ((struct interact_client *));
+static void *class_next PROTO ((struct interact_client *, void *));
+
+static void group_ls PROTO ((struct interact_client *));
+static void group_print PROTO ((struct interact_client *, char *));
+static void group_set PROTO ((struct interact_client *, char *));
+static void group_rm PROTO ((struct interact_client *, char *));
+static void group_cd PROTO ((struct interact_client *, char *));
+static void group_cdup PROTO ((struct interact_client *));
+static void group_cdup_share PROTO ((struct interact_client *));
+static void *group_next PROTO ((struct interact_client *, void *));
+
+struct interact_actions top_level_actions = {
+       top_level_ls,
+       top_level_print,
+       top_level_set,
+       top_level_rm,
+       top_level_cd,
+       top_level_cdup,
+       top_level_next };
+
+static struct interact_actions interface_class_actions = {
+       interface_class_ls,
+       interface_class_print,
+       interface_class_set,
+       interface_class_rm,
+       interface_class_cd,
+       interface_class_cdup,
+       interface_class_next };
+
+static struct interact_actions interface_actions = {
+       interface_ls,
+       interface_print,
+       interface_set,
+       interface_rm,
+       interface_cd,
+       interface_cdup,
+       interface_next };
+
+static struct interact_actions shared_network_class_actions = {
+       shared_network_class_ls,
+       shared_network_class_print,
+       shared_network_class_set,
+       shared_network_class_rm,
+       shared_network_class_cd,
+       shared_network_class_cdup,
+       shared_network_class_next };
+
+static struct interact_actions shared_network_actions = {
+       shared_network_ls,
+       shared_network_print,
+       shared_network_set,
+       shared_network_rm,
+       shared_network_cd,
+       shared_network_cdup,
+       shared_network_next };
+
+static struct interact_actions subnet_class_actions = {
+       subnet_class_ls,
+       subnet_class_print,
+       subnet_class_set,
+       subnet_class_rm,
+       subnet_class_cd,
+       subnet_class_cdup,
+       subnet_class_next };
+
+static struct interact_actions subnet_actions = {
+       subnet_ls,
+       subnet_print,
+       subnet_set,
+       subnet_rm,
+       subnet_cd,
+       subnet_cdup,
+       subnet_next };
+
+static struct interact_actions host_class_actions = {
+       host_class_ls,
+       host_class_print,
+       host_class_set,
+       host_class_rm,
+       host_class_cd,
+       host_class_cdup,
+       host_class_next };
+
+static struct interact_actions host_actions = {
+       host_ls,
+       host_print,
+       host_set,
+       host_rm,
+       host_cd,
+       host_cdup,
+       host_next };
+
+static struct interact_actions lease_actions = {
+       lease_ls,
+       lease_print,
+       lease_set,
+       lease_rm,
+       lease_cd,
+       lease_cdup,
+       lease_next };
+
+static struct interact_actions class_class_actions = {
+       class_class_ls,
+       class_class_print,
+       class_class_set,
+       class_class_rm,
+       class_class_cd,
+       class_class_cdup,
+       class_class_next };
+
+static struct interact_actions class_actions = {
+       class_ls,
+       class_print,
+       class_set,
+       class_rm,
+       class_cd,
+       class_cdup,
+       class_next };
+
+static struct interact_actions group_actions = {
+       group_ls,
+       group_print,
+       group_set,
+       group_rm,
+       group_cd,
+       group_cdup,
+       group_next };
+
+
+static void top_level_ls (client)
+       struct interact_client *client;
+{
+       interact_client_write (client, "interfaces", 0);
+       interact_client_write (client, "shared networks", 0);
+       interact_client_write (client, "subnets", 0);
+       interact_client_write (client, "classes", 0);
+       interact_client_write (client, "hosts", 1);
+}
+
+static void top_level_print (client, string)
+       struct interact_client *client;
+       char *string;
+{
+       interact_client_write (client, "can't print that.", 1);
+}
+
+static void top_level_set (client, string)
+       struct interact_client *client;
+       char *string;
+{
+       interact_client_write (client, "can't set that.", 1);
+}
+
+static void top_level_rm (client, string)
+       struct interact_client *client;
+       char *string;
+{
+       interact_client_write (client, "can't remove that.", 1);
+}
+
+static void top_level_cd (client, string)
+       struct interact_client *client;
+       char *string;
+{
+       if (!strcmp (string, "interfaces")) {
+               client -> cur_node_actions = interface_actions;
+               client -> cur_node_actions.cdup = top_level_cdup;
+       } else if (!strcmp (string, "shared networks")) {
+               client -> cur_node_actions = shared_network_actions;
+               client -> cur_node_actions.cdup = top_level_cdup;
+       } else if (!strcmp (string, "subnets")) {
+               client -> cur_node_actions = subnet_actions;
+               client -> cur_node_actions.cdup = top_level_cdup;
+       } else if (!strcmp (string, "classes")) {
+               client -> cur_node_actions = class_actions;
+               client -> cur_node_actions.cdup = top_level_cdup;
+       } else if (!strcmp (string, "hosts")) {
+               client -> cur_node_actions = host_actions;
+               client -> cur_node_actions.cdup = top_level_cdup;
+       } else {
+               interact_client_write (client, "can't cd to that.", 1);
+               return;
+       }
+       interact_client_write (client, "done.", 1);
+}
+
+static void top_level_cdup (client)
+       struct interact_client *client;
+{
+       client -> cur_node_actions = top_level_actions;
+       client -> cur_node = (void *)0;
+}
+
+static void *top_level_next (client, ptr)
+       struct interact_client *client;
+       void *ptr;
+{
+       return (void *)0;
+}
+
+static void interface_class_ls (client)
+       struct interact_client *client;
+{
+       struct interface_info *ip = client -> cur_node;
+
+       for (ip = interfaces; ip; ip = ip -> next) {
+               interact_client_write (client, ip -> name, ip -> next ? 0 : 1);
+       }
+}
+
+static void interface_class_print (client, string)
+       struct interact_client *client;
+       char *string;
+{
+       interact_client_write (client, "nothing to print.", 1);
+}
+
+static void interface_class_set (client, string)
+       struct interact_client *client;
+       char *string;
+{
+       interact_client_write (client, "can't set that.", 1);
+}
+
+static void interface_class_rm (client, string)
+       struct interact_client *client;
+       char *string;
+{
+       interact_client_write (client, "can't remove that.", 1);
+}
+
+static void interface_class_cd (client, string)
+       struct interact_client *client;
+       char *string;
+{
+       int i;
+       struct interface_info *ip;
+
+       i = strlen (string);
+       for (ip = interfaces; ip; ip = ip -> next)
+               if (!strcmp (ip -> name, string))
+                       break;
+       if (!ip) {
+               interact_client_write (client, "no such interface.", 1);
+               return;
+       }
+       client -> cur_node = ip;
+       client -> cur_node_actions = interface_class_actions;
+       interact_client_write (client, "done.", 1);
+}
+
+static void interface_class_cdup (client)
+       struct interact_client *client;
+{
+       struct interface_info *ip = client -> cur_node;
+       
+       client -> cur_node = ip -> shared_network;
+       client -> cur_node_actions = shared_network_actions;
+       client -> cur_node_actions.cdup = top_level_cdup;
+}
+
+static void *interface_class_next (client, ptr)
+       struct interact_client *client;
+       void *ptr;
+{
+       return (void *)0;
+}
+
+static void interface_ls (client)
+       struct interact_client *client;
+{
+       struct interface_info *ip = client -> cur_node;
+
+       if (ip -> shared_network)
+               interact_client_write (client, "shared network", 0);
+       if (ip -> primary_address.s_addr)
+               interact_client_write (client, "ip address", 0);
+       if (ip -> client)
+               interact_client_write (client, "client state", 0);
+       interact_client_write (client, "hardware type", 0);
+       interact_client_write (client, "hardware address", 1);
+}
+
+static void interface_print (client, string)
+       struct interact_client *client;
+       char *string;
+{
+       struct interface_info *ip = client -> cur_node;
+
+       if (!strcmp (string, "ip address"))
+               interact_client_write (client,
+                                      inet_ntoa (ip -> primary_address), 1);
+       else if (!strcmp (string, "hardware type"))
+               interact_client_write (client,
+                                      hardware_types [ip -> hw_address.htype],
+                                      1);
+       else if (!strcmp (string, "hardware address"))
+               interact_client_write (client,
+                                      print_hw_addr (ip -> hw_address.htype,
+                                                     ip -> hw_address.hlen,
+                                                     ip -> hw_address.haddr),
+                                      1);
+       else if (!strcmp (string, "shared network"))
+               interact_client_write (client,
+                                      ip -> shared_network -> name, 1);
+       else
+               interact_client_write (client, "can't print that.", 1);
+}
+
+static void interface_set (client, string)
+       struct interact_client *client;
+       char *string;
+{
+       interact_client_write (client, "can't set that.", 1);
+}
+
+static void interface_rm (client, string)
+       struct interact_client *client;
+       char *string;
+{
+       interact_client_write (client, "can't remove that.", 1);
+}
+
+static void interface_cd (client, string)
+       struct interact_client *client;
+       char *string;
+{
+       struct interface_info *ip = client -> cur_node;
+       int i;
+
+       if (!strcmp (string, "shared network")) {
+               client -> cur_node_actions = shared_network_actions;
+               client -> cur_node_actions.cdup =
+                       shared_network_cdup;
+               client -> cur_node = ip -> shared_network;
+               interact_client_write (client, "done.", 1);
+       } else
+               interact_client_write (client, "can't cd to that.", 1);
+}
+
+static void interface_cdup (client)
+       struct interact_client *client;
+{
+       struct interface_info *ip = client -> cur_node;
+       
+       client -> cur_node = (void *)0;
+       client -> cur_node_actions = interface_class_actions;
+       client -> cur_node_actions.cdup = top_level_cdup;
+}
+
+static void *interface_next (client, ptr)
+       struct interact_client *client;
+       void *ptr;
+{
+       return (void *)0;
+}
+
+static void shared_network_class_ls (client)
+       struct interact_client *client;
+{
+       interact_client_write (client, "name", 0);
+       interact_client_write (client, "subnets", 0);
+       interact_client_write (client, "group", 0);
+       interact_client_write (client, "leases", 0);
+       interact_client_write (client, "active leases", 0);
+       interact_client_write (client, "free leases", 0);
+       interact_client_write (client, "abandoned leases", 1);
+}
+
+static void shared_network_class_print (client, string)
+       struct interact_client *client;
+       char *string;
+{
+       interact_client_write (client, "nothing to print.", 1);
+}
+
+static void shared_network_class_set (client, string)
+       struct interact_client *client;
+       char *string;
+{
+       interact_client_write (client, "can't set that.", 1);
+}
+
+static void shared_network_class_rm (client, string)
+       struct interact_client *client;
+       char *string;
+{
+       interact_client_write (client, "can't remove that.", 1);
+}
+
+static void shared_network_class_cd (client, string)
+       struct interact_client *client;
+       char *string;
+{
+       struct shared_network *share = client -> cur_node;
+
+       if (!strcmp (string, "subnets")) {
+               client -> cur_node = share -> subnets;
+               client -> cur_node_actions = subnet_class_actions;
+               client -> cur_node_actions.next = subnet_class_next_share;
+               client -> cur_node_actions.cdup = subnet_class_cdup;
+       } else if (!strcmp (string, "group")) {
+               client -> cur_node = share -> group;
+               client -> cur_node_actions = group_actions;
+               client -> cur_node_actions.cdup = group_cdup_share;
+       } else if (!strcmp (string, "leases")) {
+               client -> cur_node = share -> leases;
+               client -> cur_node_actions = lease_actions;
+       } else if (!strcmp (string, "active leases")) {
+               client -> cur_node = share -> leases;
+               client -> cur_node_actions = lease_actions;
+               client -> cur_node_actions.next = lease_next_active;
+       } else if (!strcmp (string, "free leases")) {
+               client -> cur_node = share -> leases;
+               client -> cur_node_actions = lease_actions;
+               client -> cur_node_actions.next = lease_next_free;
+       } else if (!strcmp (string, "abandoned leases")) {
+               client -> cur_node = share -> leases;
+               client -> cur_node_actions = lease_actions;
+               client -> cur_node_actions.next = lease_next_abandoned;
+       } else {
+               interact_client_write (client, "can't cd to that.", 1);
+               return;
+       }
+       interact_client_write (client, "done.", 1);
+}
+
+static void shared_network_class_cdup (client)
+       struct interact_client *client;
+{
+       struct shared_network *share = client -> cur_node;
+
+       if (share -> interface)
+               client -> cur_node = share -> interface;
+       else
+               top_level_cdup (client);
+}
+
+static void *shared_network_class_next (client, ptr)
+       struct interact_client *client;
+       void *ptr;
+{
+       return (void *)0;
+}
+
+static void shared_network_ls (client)
+       struct interact_client *client;
+{
+}
+
+static void shared_network_print (client, string)
+       struct interact_client *client;
+       char *string;
+{
+       interact_client_write (client, "name", 0);
+       interact_client_write (client, "subnets", 0);
+       interact_client_write (client, "group", 0);
+       interact_client_write (client, "leases", 0);
+       interact_client_write (client, "active leases", 0);
+       interact_client_write (client, "free leases", 0);
+       interact_client_write (client, "abandoned leases", 1);
+}
+
+static void shared_network_set (client, string)
+       struct interact_client *client;
+       char *string;
+{
+       interact_client_write (client, "can't set that.", 1);
+}
+
+static void shared_network_rm (client, string)
+       struct interact_client *client;
+       char *string;
+{
+       interact_client_write (client, "can't remove that.", 1);
+}
+
+static void shared_network_cd (client, string)
+       struct interact_client *client;
+       char *string;
+{
+       struct shared_network *share = client -> cur_node;
+
+       if (!strcmp (string, "subnets")) {
+               client -> cur_node = share -> subnets;
+               client -> cur_node_actions = subnet_actions;
+               client -> cur_node_actions.next = subnet_class_next_share;
+       } else if (!strcmp (string, "group")) {
+               client -> cur_node = share -> group;
+               client -> cur_node_actions = group_actions;
+               client -> cur_node_actions.cdup = group_cdup_share;
+       } else if (!strcmp (string, "leases")) {
+               client -> cur_node = share -> leases;
+               client -> cur_node_actions = lease_actions;
+       } else if (!strcmp (string, "active leases")) {
+               client -> cur_node = share -> leases;
+               client -> cur_node_actions = lease_actions;
+               client -> cur_node_actions.next = lease_next_active;
+       } else if (!strcmp (string, "free leases")) {
+               client -> cur_node = share -> leases;
+               client -> cur_node_actions = lease_actions;
+               client -> cur_node_actions.next = lease_next_free;
+       } else if (!strcmp (string, "abandoned leases")) {
+               client -> cur_node = share -> leases;
+               client -> cur_node_actions = lease_actions;
+               client -> cur_node_actions.next = lease_next_abandoned;
+       } else {
+               interact_client_write (client, "can't cd to that.", 1);
+               return;
+       }
+       interact_client_write (client, "done.", 1);
+}
+
+static void shared_network_cdup (client)
+       struct interact_client *client;
+{
+       struct shared_network *share = client -> cur_node;
+
+       if (share -> interface)
+               client -> cur_node = share -> interface;
+       else
+               top_level_cdup (client);
+}
+
+static void *shared_network_next (client, ptr)
+       struct interact_client *client;
+       void *ptr;
+{
+       return (void *)0;
+}
+
+static void subnet_class_ls (client)
+       struct interact_client *client;
+{
+}
+
+static void subnet_class_print (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void subnet_class_set (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void subnet_class_rm (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void subnet_class_cd (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void subnet_class_cdup (client)
+       struct interact_client *client;
+{
+}
+
+static void *subnet_class_next (client, ptr)
+       struct interact_client *client;
+       void *ptr;
+{
+       struct subnet *subnet = ptr;
+       return subnet -> next_subnet;
+}
+
+static void *subnet_class_next_share (client, ptr)
+       struct interact_client *client;
+       void *ptr;
+{
+       struct subnet *subnet = ptr;
+       return subnet -> next_sibling;
+}
+
+static void subnet_ls (client)
+       struct interact_client *client;
+{
+}
+
+static void subnet_print (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void subnet_set (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void subnet_rm (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void subnet_cd (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void subnet_cdup (client)
+       struct interact_client *client;
+{
+}
+
+static void *subnet_next (client, ptr)
+       struct interact_client *client;
+       void *ptr;
+{
+       return (void *)0;
+}
+
+static void host_class_ls (client)
+       struct interact_client *client;
+{
+}
+
+static void host_class_print (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void host_class_set (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void host_class_rm (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void host_class_cd (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void host_class_cdup (client)
+       struct interact_client *client;
+{
+}
+
+static void *host_class_next (client, ptr)
+       struct interact_client *client;
+       void *ptr;
+{
+       return (void *)0;
+}
+
+static void host_ls (client)
+       struct interact_client *client;
+{
+}
+
+static void host_print (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void host_set (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void host_rm (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void host_cd (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void host_cdup (client)
+       struct interact_client *client;
+{
+}
+
+static void *host_next (client, ptr)
+       struct interact_client *client;
+       void *ptr;
+{
+       return (void *)0;
+}
+
+static void lease_ls (client)
+       struct interact_client *client;
+{
+}
+
+static void lease_print (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void lease_set (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void lease_rm (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void lease_cd (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void lease_cdup (client)
+       struct interact_client *client;
+{
+       struct lease *lease = client -> cur_node;
+       client -> cur_node = lease -> shared_network;
+       client -> cur_node_actions = shared_network_actions;
+}
+
+static void lease_cdup_host (client)
+       struct interact_client *client;
+{
+       struct lease *lease = client -> cur_node;
+       if (lease -> host) {
+               client -> cur_node = lease -> host;
+               client -> cur_node_actions = host_actions;
+       } else
+               lease_cdup (client);
+}
+
+static void *lease_next (client, ptr)
+       struct interact_client *client;
+       void *ptr;
+{
+       struct lease *lease = ptr;
+       return lease -> next;
+}
+
+static void *lease_next_active (client, ptr)
+       struct interact_client *client;
+       void *ptr;
+{
+       struct lease *lease = ptr;
+       for (; lease; lease = lease -> next)
+               if (lease -> ends > cur_time)
+                       return lease;
+       return (void *)0;
+}
+
+static void *lease_next_free (client, ptr)
+       struct interact_client *client;
+       void *ptr;
+{
+       struct lease *lease = ptr;
+       for (; lease; lease = lease -> next)
+               if (lease -> ends < cur_time)
+                       return lease;
+       return (void *)0;
+}
+
+static void *lease_next_abandoned (client, ptr)
+       struct interact_client *client;
+       void *ptr;
+{
+       struct lease *lease = ptr;
+       for (; lease; lease = lease -> next)
+               if (lease -> flags & ABANDONED_LEASE)
+                       return lease;
+       return (void *)0;
+}
+
+static void class_class_ls (client)
+       struct interact_client *client;
+{
+}
+
+static void class_class_print (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void class_class_set (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void class_class_rm (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void class_class_cd (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void class_class_cdup (client)
+       struct interact_client *client;
+{
+}
+
+static void *class_class_next (client, ptr)
+       struct interact_client *client;
+       void *ptr;
+{
+       return (void *)0;
+}
+
+static void class_ls (client)
+       struct interact_client *client;
+{
+}
+
+static void class_print (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void class_set (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void class_rm (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void class_cd (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void class_cdup (client)
+       struct interact_client *client;
+{
+}
+
+static void *class_next (client, ptr)
+       struct interact_client *client;
+       void *ptr;
+{
+       return (void *)0;
+}
+
+static void group_ls (client)
+       struct interact_client *client;
+{
+}
+
+static void group_print (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void group_set (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void group_rm (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void group_cd (client, string)
+       struct interact_client *client;
+       char *string;
+{
+}
+
+static void group_cdup (client)
+       struct interact_client *client;
+{
+}
+
+static void group_cdup_share (client)
+       struct interact_client *client;
+{
+}
+
+static void *group_next (client, ptr)
+       struct interact_client *client;
+       void *ptr;
+{
+       return (void *)0;
+}