Add a debian/changelog entry for version 2.2.1-1fdn3
[l2tpns.git] / cli.c
diff --git a/cli.c b/cli.c
index e2ef57a..32c82a9 100644 (file)
--- a/cli.c
+++ b/cli.c
@@ -1,12 +1,19 @@
 // L2TPNS Command Line Interface
-// $Id: cli.c,v 1.1 2003/12/16 07:07:39 fred_nerk Exp $
-// vim: sw=4 ts=8
+// vim: sw=8 ts=8
+
+char const *cvs_name = "$Name:  $";
+char const *cvs_id_cli = "$Id: cli.c,v 1.76 2006/12/18 12:08:28 bodea Exp $";
 
 #include <stdio.h>
+#include <stddef.h>
+#include <stdarg.h>
+#include <unistd.h>
 #include <sys/file.h>
 #include <sys/stat.h>
+#include <syslog.h>
 #include <malloc.h>
 #include <string.h>
+#include <ctype.h>
 #include <stdlib.h>
 #include <time.h>
 #include <arpa/inet.h>
 #include <sys/socket.h>
 #include <sys/types.h>
 #include <signal.h>
-#include <unistd.h>
+#include <dlfcn.h>
+#include <netdb.h>
 #include <libcli.h>
+
 #include "l2tpns.h"
+#include "constants.h"
 #include "util.h"
-#include "config.h"
-
-#ifdef HAVE_LIBCLI
+#include "cluster.h"
+#include "tbf.h"
+#include "ll.h"
+#ifdef BGP
+#include "bgp.h"
+#endif
 
 extern tunnelt *tunnel;
+extern bundlet *bundle;
 extern sessiont *session;
 extern radiust *radius;
 extern ippoolt *ip_address_pool;
 extern struct Tstats *_statistics;
-extern int cli_pid;
-struct cli_def *cli = NULL;
-int cli_quit = 0;
-extern int clifd, udpfd, tapfd, snoopfd, radfd, ifrfd, cluster_sockfd;
-extern sessionidt *cli_session_kill;
-extern tunnelidt *cli_tunnel_kill;
-extern tbft *filter_buckets;
+static struct cli_def *cli = NULL;
+extern configt *config;
+extern config_descriptt config_values[];
 #ifdef RINGBUFFER
 extern struct Tringbuffer *ringbuffer;
 #endif
-
-char *rcs_id = "$Id: cli.c,v 1.1 2003/12/16 07:07:39 fred_nerk Exp $";
-
-char *debug_levels[] = {
-    "CRIT",
-    "ERROR",
-    "WARN",
-    "INFO",
-    "CALL",
-    "DATA",
-};
+extern struct cli_session_actions *cli_session_actions;
+extern struct cli_tunnel_actions *cli_tunnel_actions;
+extern tbft *filter_list;
+extern ip_filtert *ip_filters;
 
 struct
 {
-    char critical;
-    char error;
-    char warning;
-    char info;
-    char calls;
-    char data;
+       char critical;
+       char error;
+       char warning;
+       char info;
+       char calls;
+       char data;
 } debug_flags;
 
-int debug_session;
-int debug_tunnel;
-int debug_rb_tail;
-
-int cmd_show_session(struct cli_def *cli, FILE *w, char *command, char **argv, int argc);
-int cmd_show_tunnels(struct cli_def *cli, FILE *w, char *command, char **argv, int argc);
-int cmd_show_users(struct cli_def *cli, FILE *w, char *command, char **argv, int argc);
-int cmd_show_counters(struct cli_def *cli, FILE *w, char *command, char **argv, int argc);
-int cmd_show_version(struct cli_def *cli, FILE *w, char *command, char **argv, int argc);
-int cmd_show_pool(struct cli_def *cli, FILE *w, char *command, char **argv, int argc);
-int cmd_show_banana(struct cli_def *cli, FILE *w, char *command, char **argv, int argc);
-int cmd_clear_counters(struct cli_def *cli, FILE *w, char *command, char **argv, int argc);
-int cmd_drop_user(struct cli_def *cli, FILE *w, char *command, char **argv, int argc);
-int cmd_drop_tunnel(struct cli_def *cli, FILE *w, char *command, char **argv, int argc);
-int cmd_drop_session(struct cli_def *cli, FILE *w, char *command, char **argv, int argc);
-int cmd_snoop(struct cli_def *cli, FILE *w, char *command, char **argv, int argc);
-int cmd_no_snoop(struct cli_def *cli, FILE *w, char *command, char **argv, int argc);
-int cmd_throttle(struct cli_def *cli, FILE *w, char *command, char **argv, int argc);
-int cmd_no_throttle(struct cli_def *cli, FILE *w, char *command, char **argv, int argc);
-int cmd_debug(struct cli_def *cli, FILE *w, char *command, char **argv, int argc);
-int cmd_no_debug(struct cli_def *cli, FILE *w, char *command, char **argv, int argc);
-int cmd_watch_session(struct cli_def *cli, FILE *w, char *command, char **argv, int argc);
-int cmd_watch_tunnel(struct cli_def *cli, FILE *w, char *command, char **argv, int argc);
-int regular_stuff(struct cli_def *cli, FILE *w);
+#ifdef RINGBUFFER
 
-void init_cli()
-{
-    FILE *f;
-    char buf[4096];
-    struct cli_command *c;
-    int on = 1;
-    struct sockaddr_in addr;
+static int debug_rb_tail;
+static char *debug_levels[] = {
+       "CRIT",
+       "ERROR",
+       "WARN",
+       "INFO",
+       "CALL",
+       "DATA",
+};
 
-    cli = cli_init();
+#endif
 
-    c = cli_register_command(cli, NULL, "show", NULL, NULL);
-    cli_register_command(cli, c, "session", cmd_show_session, "Show a list of sessions");
-    cli_register_command(cli, c, "tunnels", cmd_show_tunnels, NULL);
-    cli_register_command(cli, c, "users", cmd_show_users, NULL);
-    cli_register_command(cli, c, "version", cmd_show_version, NULL);
-    cli_register_command(cli, c, "banana", cmd_show_banana, "Show a banana");
-    cli_register_command(cli, c, "pool", cmd_show_pool, NULL);
+static int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_show_tunnels(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_show_users(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_show_radius(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_show_version(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_show_pool(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_show_run(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_show_banana(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_show_plugins(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_show_throttle(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_write_memory(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_drop_user(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_drop_tunnel(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_drop_session(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_no_snoop(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_no_throttle(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_debug(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_no_debug(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_set(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_load_plugin(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_remove_plugin(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_uptime(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_shutdown(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_reload(struct cli_def *cli, char *command, char **argv, int argc);
+
+
+static int regular_stuff(struct cli_def *cli);
 
 #ifdef STATISTICS
-    cli_register_command(cli, c, "counters", cmd_show_counters, NULL);
+static int cmd_show_counters(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_clear_counters(struct cli_def *cli, char *command, char **argv, int argc);
+#endif /* STATISTICS */
+
+#ifdef BGP
+#define MODE_CONFIG_BGP 8
+static int cmd_router_bgp(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_router_bgp_neighbour(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_router_bgp_no_neighbour(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_show_bgp(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_no_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_restart_bgp(struct cli_def *cli, char *command, char **argv, int argc);
+#endif /* BGP */
+
+#define MODE_CONFIG_NACL 9
+static int cmd_ip_access_list(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_no_ip_access_list(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_ip_access_list_rule(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_filter(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_no_filter(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_show_access_list(struct cli_def *cli, char *command, char **argv, int argc);
+
+/* match if b is a substr of a */
+#define MATCH(a,b) (!strncmp((a), (b), strlen(b)))
 
-    c = cli_register_command(cli, NULL, "clear", NULL, NULL);
-    cli_register_command(cli, c, "counters", cmd_clear_counters, NULL);
-#endif
+void init_cli()
+{
+       FILE *f;
+       char buf[4096];
+       struct cli_command *c;
+       struct cli_command *c2;
+       int on = 1;
+       struct sockaddr_in addr;
+
+       cli = cli_init();
+
+       c = cli_register_command(cli, NULL, "show", NULL, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, NULL);
+       cli_register_command(cli, c, "banana", cmd_show_banana, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show a banana");
+#ifdef BGP
+       cli_register_command(cli, c, "bgp", cmd_show_bgp, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show BGP status");
+#endif /* BGP */
+       cli_register_command(cli, c, "cluster", cmd_show_cluster, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show cluster information");
+       cli_register_command(cli, c, "ipcache", cmd_show_ipcache, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show contents of the IP cache");
+       cli_register_command(cli, c, "plugins", cmd_show_plugins, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "List all installed plugins");
+       cli_register_command(cli, c, "pool", cmd_show_pool, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show the IP address allocation pool");
+       cli_register_command(cli, c, "radius", cmd_show_radius, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show active radius queries");
+       cli_register_command(cli, c, "running-config", cmd_show_run, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Show the currently running configuration");
+       cli_register_command(cli, c, "session", cmd_show_session, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show a list of sessions or details for a single session");
+       cli_register_command(cli, c, "tbf", cmd_show_tbf, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "List all token bucket filters in use");
+       cli_register_command(cli, c, "throttle", cmd_show_throttle, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "List all throttled sessions and associated TBFs");
+       cli_register_command(cli, c, "tunnels", cmd_show_tunnels, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show a list of tunnels or details for a single tunnel");
+       cli_register_command(cli, c, "users", cmd_show_users, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show a list of all connected users or details of selected user");
+       cli_register_command(cli, c, "version", cmd_show_version, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show currently running software version");
+       cli_register_command(cli, c, "access-list", cmd_show_access_list, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show named access-list");
+
+       c2 = cli_register_command(cli, c, "histogram", NULL, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, NULL);
+       cli_register_command(cli, c2, "idle", cmd_show_hist_idle, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show histogram of session idle times");
+       cli_register_command(cli, c2, "open", cmd_show_hist_open, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show histogram of session durations");
 
-    cli_register_command(cli, NULL, "snoop", cmd_snoop, NULL);
-    cli_register_command(cli, NULL, "throttle", cmd_throttle, NULL);
-
-    c = cli_register_command(cli, NULL, "no", NULL, NULL);
-    cli_register_command(cli, c, "snoop", cmd_no_snoop, NULL);
-    cli_register_command(cli, c, "throttle", cmd_no_throttle, NULL);
-    cli_register_command(cli, c, "debug", cmd_no_debug, NULL);
-
-    c = cli_register_command(cli, NULL, "drop", NULL, NULL);
-    cli_register_command(cli, c, "user", cmd_drop_user, NULL);
-    cli_register_command(cli, c, "tunnel", cmd_drop_tunnel, NULL);
-    cli_register_command(cli, c, "session", cmd_drop_session, NULL);
-
-    cli_register_command(cli, NULL, "debug", cmd_debug, "Specify a debugging level");
-
-    c = cli_register_command(cli, NULL, "watch", NULL, NULL);
-    cli_register_command(cli, c, "session", cmd_watch_session, "Dump logs for a tunnel");
-    cli_register_command(cli, c, "tunnel", cmd_watch_tunnel, "Dump logs for a tunnel");
-
-    // Enable regular processing
-    cli_regular(cli, regular_stuff);
-
-    if (!(f = fopen(CLIUSERS, "r")))
-    {
-       log(0, 0, 0, 0, "WARNING! No users specified. Command-line access is open to all\n");
-    }
-    else
-    {
-       while (fgets(buf, 4096, f))
-       {
-           char *p;
-           if (*buf == '#') continue;
-           if ((p = strchr(buf, '\r'))) *p = 0;
-           if ((p = strchr(buf, '\n'))) *p = 0;
-           if (!*buf) continue;
-           if (!(p = strchr((char *)buf, ':'))) continue;
-           *p++ = 0;
-           cli_allow_user(cli, buf, p);
-           log(3, 0, 0, 0, "Allowing user %s to connect to the CLI\n", buf);
-       }
-       fclose(f);
-    }
-
-    memset(&addr, 0, sizeof(addr));
-    clifd = socket(PF_INET, SOCK_STREAM, 6);
-    setsockopt(clifd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
-    {
-       int flags;
-       // Set cli fd as non-blocking
-       flags = fcntl(clifd, F_GETFL, 0);
-       fcntl(clifd, F_SETFL, flags | O_NONBLOCK);
-    }
-    addr.sin_family = AF_INET;
-    addr.sin_port = htons(23);
-    if (bind(clifd, (void *) &addr, sizeof(addr)) < 0)
-    {
-           log(0, 0, 0, 0, "Error listening on cli port 23: %s\n", strerror(errno));
-           return;
-    }
-    listen(clifd, 10);
-}
+#ifdef STATISTICS
+       cli_register_command(cli, c, "counters", cmd_show_counters, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Display all the internal counters and running totals");
 
-void cli_do(int sockfd)
-{
-    if ((cli_pid = fork())) return;
-
-    // Close sockets
-    if (udpfd) close(udpfd); udpfd = 0;
-    if (tapfd) close(tapfd); tapfd = 0;
-    if (snoopfd) close(snoopfd); snoopfd = 0;
-    if (radfd) close(radfd); radfd = 0;
-    if (ifrfd) close(ifrfd); ifrfd = 0;
-    if (cluster_sockfd) close(cluster_sockfd); cluster_sockfd = 0;
-    if (clifd) close(clifd); clifd = 0;
-
-    signal(SIGPIPE, SIG_DFL);
-    signal(SIGCHLD, SIG_DFL);
-    signal(SIGHUP, SIG_DFL);
-    signal(SIGUSR1, SIG_DFL);
-    signal(SIGQUIT, SIG_DFL);
-    signal(SIGKILL, SIG_DFL);
-    signal(SIGALRM, SIG_DFL);
-
-    log(3, 0, 0, 0, "Accepted connection to CLI\n");
-
-    debug_session = 0;
-    debug_tunnel = 0;
-#ifdef RINGBUFFER
-    debug_rb_tail = ringbuffer->tail;
+       c = cli_register_command(cli, NULL, "clear", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, NULL);
+       cli_register_command(cli, c, "counters", cmd_clear_counters, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Clear internal counters");
 #endif
-    memset(&debug_flags, 0, sizeof(debug_flags));
-    debug_flags.critical = 1;
 
-    cli_loop(cli, sockfd, "l2tpns> ");
+       cli_register_command(cli, NULL, "uptime", cmd_uptime, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show uptime and bandwidth utilisation");
+       cli_register_command(cli, NULL, "shutdown", cmd_shutdown, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Shutdown l2tpns daemon and exit");
+       cli_register_command(cli, NULL, "reload", cmd_reload, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Reload configuration");
 
-    close(sockfd);
-    log(3, 0, 0, 0, "Closed CLI connection\n");
-    exit(0);
-}
+       c = cli_register_command(cli, NULL, "write", NULL, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, NULL);
+       cli_register_command(cli, c, "memory", cmd_write_memory, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Save the running config to flash");
+       cli_register_command(cli, c, "terminal", cmd_show_run, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show the running config");
 
-int cmd_show_session(struct cli_def *cli, FILE *w, char *command, char **argv, int argc)
-{
-    int i;
-    time_t time_now;
+       cli_register_command(cli, NULL, "snoop", cmd_snoop, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Enable interception of a session");
+       cli_register_command(cli, NULL, "throttle", cmd_throttle, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Enable throttling of a session");
+       cli_register_command(cli, NULL, "filter", cmd_filter, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Add filtering to a session");
+       cli_register_command(cli, NULL, "debug", cmd_debug, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Set the level of logging that is shown on the console");
 
-    time(&time_now);
-    if (argc > 0)
-    {
-       // Show individual session
-       for (i = 0; i < argc; i++)
+#ifdef BGP
+       c = cli_register_command(cli, NULL, "suspend", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, NULL);
+       cli_register_command(cli, c, "bgp", cmd_suspend_bgp, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Withdraw routes from BGP neighbour");
+#endif /* BGP */
+
+       c = cli_register_command(cli, NULL, "no", NULL, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, NULL);
+       cli_register_command(cli, c, "snoop", cmd_no_snoop, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Disable interception of a session");
+       cli_register_command(cli, c, "throttle", cmd_no_throttle, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Disable throttling of a session");
+       cli_register_command(cli, c, "filter", cmd_no_filter, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Remove filtering from a session");
+       cli_register_command(cli, c, "debug", cmd_no_debug, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Turn off logging of a certain level of debugging");
+
+#ifdef BGP
+       c2 = cli_register_command(cli, c, "suspend", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, NULL);
+       cli_register_command(cli, c2, "bgp", cmd_no_suspend_bgp, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Advertise routes to BGP neighbour");
+
+       c = cli_register_command(cli, NULL, "restart", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, NULL);
+       cli_register_command(cli, c, "bgp", cmd_restart_bgp, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Restart BGP");
+
+       c = cli_register_command(cli, NULL, "router", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG, NULL);
+       cli_register_command(cli, c, "bgp", cmd_router_bgp, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Configure BGP");
+
+       cli_register_command(cli, NULL, "neighbour", cmd_router_bgp_neighbour, PRIVILEGE_PRIVILEGED, MODE_CONFIG_BGP, "Configure BGP neighbour");
+
+       c = cli_register_command(cli, NULL, "no", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG_BGP, NULL);
+       cli_register_command(cli, c, "neighbour", cmd_router_bgp_no_neighbour, PRIVILEGE_PRIVILEGED, MODE_CONFIG_BGP, "Remove BGP neighbour");
+#endif /* BGP */
+
+       c = cli_register_command(cli, NULL, "drop", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, NULL);
+       cli_register_command(cli, c, "user", cmd_drop_user, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Disconnect a user");
+       cli_register_command(cli, c, "tunnel", cmd_drop_tunnel, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Disconnect a tunnel and all sessions on that tunnel");
+       cli_register_command(cli, c, "session", cmd_drop_session, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Disconnect a session");
+
+       c = cli_register_command(cli, NULL, "load", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG, NULL);
+       cli_register_command(cli, c, "plugin", cmd_load_plugin, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Load a plugin");
+
+       c = cli_register_command(cli, NULL, "remove", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG, NULL);
+       cli_register_command(cli, c, "plugin", cmd_remove_plugin, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Remove a plugin");
+
+       cli_register_command(cli, NULL, "set", cmd_set, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Set a configuration variable");
+
+       c = cli_register_command(cli, NULL, "ip", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG, NULL);
+       cli_register_command(cli, c, "access-list", cmd_ip_access_list, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Add named access-list");
+
+       cli_register_command(cli, NULL, "permit", cmd_ip_access_list_rule, PRIVILEGE_PRIVILEGED, MODE_CONFIG_NACL, "Permit rule");
+       cli_register_command(cli, NULL, "deny", cmd_ip_access_list_rule, PRIVILEGE_PRIVILEGED, MODE_CONFIG_NACL, "Deny rule");
+
+       c = cli_register_command(cli, NULL, "no", NULL, PRIVILEGE_UNPRIVILEGED, MODE_CONFIG, NULL);
+       c2 = cli_register_command(cli, c, "ip", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG, NULL);
+       cli_register_command(cli, c2, "access-list", cmd_no_ip_access_list, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Remove named access-list");
+
+       // Enable regular processing
+       cli_regular(cli, regular_stuff);
+
+       if (!(f = fopen(CLIUSERS, "r")))
        {
-           unsigned int s;
-           s = atoi(argv[i]);
-           if (!s || s > MAXSESSION)
-           {
-               fprintf(w, "Invalid session id \"%s\"\r\n", argv[i]);
-               continue;
-           }
-           fprintf(w, "\r\nSession %d:\r\n", s);
-           fprintf(w, "        User:           %s\r\n", session[s].user[0] ? session[s].user : "none");
-           fprintf(w, "        Calling Num:    %s\r\n", session[s].calling);
-           fprintf(w, "        Called Num:     %s\r\n", session[s].called);
-           fprintf(w, "        Tunnel ID:      %d\r\n", session[s].tunnel);
-           fprintf(w, "        IP address:     %s\r\n", inet_toa(htonl(session[s].ip)));
-           fprintf(w, "        HSD sid:        %lu\r\n", session[s].sid);
-           fprintf(w, "        Idle time:      %u seconds\r\n", abs(time_now - session[s].last_packet));
-           fprintf(w, "        Next Recv:      %u\r\n", session[s].nr);
-           fprintf(w, "        Next Send:      %u\r\n", session[s].ns);
-           fprintf(w, "        Bytes In/Out:   %lu/%lu\r\n", (unsigned long)session[s].cin, (unsigned long)session[s].cout);
-           fprintf(w, "        Pkts In/Out:    %lu/%lu\r\n", (unsigned long)session[s].pin, (unsigned long)session[s].pout);
-           fprintf(w, "        Radius Session: %u\r\n", session[s].radius);
-           fprintf(w, "        Rx Speed:       %lu\r\n", session[s].rx_connect_speed);
-           fprintf(w, "        Tx Speed:       %lu\r\n", session[s].tx_connect_speed);
-           fprintf(w, "        Intercepted:    %s\r\n", session[s].snoop ? "YES" : "no");
-           fprintf(w, "        Throttled:      %s\r\n", session[s].throttle ? "YES" : "no");
-           fprintf(w, "        Walled Garden:  %s\r\n", session[s].walled_garden ? "YES" : "no");
-           fprintf(w, "        Filter Bucket:  %s\r\n", session[s].tbf ? filter_buckets[session[s].tbf].handle : "none");
-       }
-       return CLI_OK;
-    }
-
-    // Show Summary
-    fprintf(w, "  %s %4s %-32s %-15s %s %s %s %10s %10s %10s %4s %-15s %s\r\n",
-           "SID",
-           "TID",
-           "Username",
-           "IP",
-           "I",
-           "T",
-           "S",
-           "opened",
-           "downloaded",
-           "uploaded",
-           "idle",
-           "LAC",
-           "CLI");
-    for (i = 0; i < MAXSESSION; i++)
-    {
-       char *userip, *tunnelip;
-       if (!session[i].opened) continue;
-       userip = strdup(inet_toa(htonl(session[i].ip)));
-       tunnelip = strdup(inet_toa(htonl(tunnel[ session[i].tunnel ].ip)));
-       fprintf(w, "%5d %4d %-32s %-15s %s %s %s %10lu %10lu %10lu %4u %-15s %s\r\n",
-               i,
-               session[i].tunnel,
-               session[i].user[0] ? session[i].user : "*",
-               userip,
-               (session[i].snoop) ? "Y" : "N",
-               (session[i].throttle) ? "Y" : "N",
-               (session[i].walled_garden) ? "Y" : "N",
-               (unsigned long)session[i].opened,
-               (unsigned long)session[i].cout,
-               (unsigned long)session[i].cin,
-               abs(time_now - (session[i].last_packet ? session[i].last_packet : time_now)),
-                tunnelip,
-               session[i].calling[0] ? session[i].calling : "*");
-       if (userip) free(userip);
-       if (tunnelip) free(tunnelip);
-    }
-    return CLI_OK;
-}
-
-int cmd_show_tunnels(struct cli_def *cli, FILE *w, char *command, char **argv, int argc)
-{
-    int i, x;
-    time_t time_now;
-
-    time(&time_now);
-    if (argc > 0)
-    {
-       // Show individual tunnel
-       for (i = 0; i < argc; i++)
+               LOG(0, 0, 0, "WARNING! No users specified. Command-line access is open to all\n");
+       }
+       else
        {
-           char s[65535] = {0};
-           unsigned int t;
-           t = atoi(argv[i]);
-           if (!t || t > MAXTUNNEL)
-           {
-               fprintf(w, "Invalid tunnel id \"%s\"\r\n", argv[i]);
-               continue;
-           }
-           fprintf(w, "\r\nTunnel %d:\r\n", t);
-           fprintf(w, "        Hostname:       %s\r\n", tunnel[t].hostname[0] ? tunnel[t].hostname : "(none)");
-           fprintf(w, "        Remote IP:      %s\r\n", inet_toa(htonl(tunnel[t].ip)));
-           fprintf(w, "        Remote Port:    %d\r\n", tunnel[t].port);
-           fprintf(w, "        Rx Window:      %u\r\n", tunnel[t].window);
-           fprintf(w, "        Next Recv:      %u\r\n", tunnel[t].nr);
-           fprintf(w, "        Next Send:      %u\r\n", tunnel[t].ns);
-           fprintf(w, "        Queue Len:      %u\r\n", tunnel[t].controlc);
-           fprintf(w, "        Last Packet Age:%u\r\n", (unsigned)(time_now - tunnel[t].last));
-
-           for (x = 0; x < MAXSESSION; x++)
-                   if (session[x].tunnel == t && session[x].opened && !session[x].die)
-                           sprintf(s, "%s%u ", s, x);
-           fprintf(w, "        Sessions:       %s\r\n", s);
-       }
-       return CLI_OK;
-    }
-
-    // Show tunnel summary
-    fprintf(w, "%s %s %s %s\r\n",
-           "TID",
-           "Hostname",
-           "IP",
-           "Sessions");
-    for (i = 0; i < MAXTUNNEL; i++)
-    {
-       int sessions = 0;
-       if (!tunnel[i].ip || tunnel[i].die || !tunnel[i].hostname[0]) continue;
-
-       for (x = 0; x < MAXSESSION; x++) if (session[x].tunnel == i && session[x].opened && !session[x].die) sessions++;
-       fprintf(w, "%d %s %s %d\r\n",
-               i,
-               tunnel[i].hostname,
-               inet_toa(htonl(tunnel[i].ip)),
-               sessions);
-    }
-    return CLI_OK;
-}
-
-int cmd_show_users(struct cli_def *cli, FILE *w, char *command, char **argv, int argc)
-{
-    int i;
-    for (i = 0; i < MAXSESSION; i++)
-    {
-       if (!session[i].opened) continue;
-       if (!session[i].user[0]) continue;
-       fprintf(w, "%s\r\n",
-               session[i].user);
-    }
-    return CLI_OK;
-}
-
-int cmd_show_counters(struct cli_def *cli, FILE *w, char *command, char **argv, int argc)
-{
-    fprintf(w, "%-10s %-8s %-10s %-8s\r\n", "Ethernet", "Bytes", "Packets", "Errors");
-    fprintf(w, "%-10s %8lu %8lu %8lu\r\n", "RX",
-           GET_STAT(tap_rx_bytes),
-           GET_STAT(tap_rx_packets),
-           GET_STAT(tap_rx_errors));
-    fprintf(w, "%-10s %8lu %8lu %8lu\r\n", "TX",
-           GET_STAT(tap_tx_bytes),
-           GET_STAT(tap_tx_packets),
-           GET_STAT(tap_tx_errors));
-    fprintf(w, "\r\n");
-
-    fprintf(w, "%-10s %-8s %-10s %-8s %-8s\r\n", "Tunnel", "Bytes", "Packets", "Errors", "Retries");
-    fprintf(w, "%-10s %8lu %8lu %8lu %8lu\r\n", "RX",
-           GET_STAT(tunnel_rx_bytes),
-           GET_STAT(tunnel_rx_packets),
-           GET_STAT(tunnel_rx_errors),
-           0L);
-    fprintf(w, "%-10s %8lu %8lu %8lu %8lu\r\n", "TX",
-           GET_STAT(tunnel_tx_bytes),
-           GET_STAT(tunnel_tx_packets),
-           GET_STAT(tunnel_rx_errors),
-           GET_STAT(tunnel_retries));
-    fprintf(w, "\r\n");
-
-    fprintf(w, "%-30s%-10s\r\n", "Counter", "Value");
-    fprintf(w, "-----------------------------------------\r\n");
-    fprintf(w, "%-30s%lu\r\n", "radius_retries",       GET_STAT(radius_retries));
-    fprintf(w, "%-30s%lu\r\n", "arp_errors",           GET_STAT(arp_errors));
-    fprintf(w, "%-30s%lu\r\n", "arp_replies",          GET_STAT(arp_replies));
-    fprintf(w, "%-30s%lu\r\n", "arp_discarded",                GET_STAT(arp_discarded));
-    fprintf(w, "%-30s%lu\r\n", "arp_sent",             GET_STAT(arp_sent));
-    fprintf(w, "%-30s%lu\r\n", "arp_recv",             GET_STAT(arp_recv));
-    fprintf(w, "%-30s%lu\r\n", "packets_snooped",      GET_STAT(packets_snooped));
-    fprintf(w, "%-30s%lu\r\n", "tunnel_created",       GET_STAT(tunnel_created));
-    fprintf(w, "%-30s%lu\r\n", "session_created",      GET_STAT(session_created));
-    fprintf(w, "%-30s%lu\r\n", "tunnel_timeout",       GET_STAT(tunnel_timeout));
-    fprintf(w, "%-30s%lu\r\n", "session_timeout",      GET_STAT(session_timeout));
-    fprintf(w, "%-30s%lu\r\n", "radius_timeout",       GET_STAT(radius_timeout));
-    fprintf(w, "%-30s%lu\r\n", "radius_overflow",      GET_STAT(radius_overflow));
-    fprintf(w, "%-30s%lu\r\n", "tunnel_overflow",      GET_STAT(tunnel_overflow));
-    fprintf(w, "%-30s%lu\r\n", "session_overflow",     GET_STAT(session_overflow));
-    fprintf(w, "%-30s%lu\r\n", "ip_allocated",         GET_STAT(ip_allocated));
-    fprintf(w, "%-30s%lu\r\n", "ip_freed",             GET_STAT(ip_freed));
+               while (fgets(buf, 4096, f))
+               {
+                       char *p;
+                       if (*buf == '#') continue;
+                       if ((p = strchr(buf, '\r'))) *p = 0;
+                       if ((p = strchr(buf, '\n'))) *p = 0;
+                       if (!*buf) continue;
+                       if (!(p = strchr((char *)buf, ':'))) continue;
+                       *p++ = 0;
+                       if (!strcmp(buf, "enable"))
+                       {
+                               cli_allow_enable(cli, p);
+                               LOG(3, 0, 0, "Setting enable password\n");
+                       }
+                       else
+                       {
+                               cli_allow_user(cli, buf, p);
+                               LOG(3, 0, 0, "Allowing user %s to connect to the CLI\n", buf);
+                       }
+               }
+               fclose(f);
+       }
 
-#ifdef STAT_CALLS
-    fprintf(w, "\n%-30s%-10s\r\n", "Counter", "Value");
-    fprintf(w, "-----------------------------------------\r\n");
-    fprintf(w, "%-30s%lu\r\n", "call_processtap",      GET_STAT(call_processtap));
-    fprintf(w, "%-30s%lu\r\n", "call_processarp",      GET_STAT(call_processarp));
-    fprintf(w, "%-30s%lu\r\n", "call_processipout",    GET_STAT(call_processipout));
-    fprintf(w, "%-30s%lu\r\n", "call_processudp",      GET_STAT(call_processudp));
-    fprintf(w, "%-30s%lu\r\n", "call_processpap",      GET_STAT(call_processpap));
-    fprintf(w, "%-30s%lu\r\n", "call_processchap",     GET_STAT(call_processchap));
-    fprintf(w, "%-30s%lu\r\n", "call_processlcp",      GET_STAT(call_processlcp));
-    fprintf(w, "%-30s%lu\r\n", "call_processipcp",     GET_STAT(call_processipcp));
-    fprintf(w, "%-30s%lu\r\n", "call_processipin",     GET_STAT(call_processipin));
-    fprintf(w, "%-30s%lu\r\n", "call_processccp",      GET_STAT(call_processccp));
-    fprintf(w, "%-30s%lu\r\n", "call_processrad",      GET_STAT(call_processrad));
-    fprintf(w, "%-30s%lu\r\n", "call_sendarp",         GET_STAT(call_sendarp));
-    fprintf(w, "%-30s%lu\r\n", "call_sendipcp",                GET_STAT(call_sendipcp));
-    fprintf(w, "%-30s%lu\r\n", "call_sendchap",                GET_STAT(call_sendchap));
-    fprintf(w, "%-30s%lu\r\n", "call_sessionbyip",     GET_STAT(call_sessionbyip));
-    fprintf(w, "%-30s%lu\r\n", "call_sessionbyuser",   GET_STAT(call_sessionbyuser));
-    fprintf(w, "%-30s%lu\r\n", "call_tunnelsend",      GET_STAT(call_tunnelsend));
-    fprintf(w, "%-30s%lu\r\n", "call_tunnelkill",      GET_STAT(call_tunnelkill));
-    fprintf(w, "%-30s%lu\r\n", "call_tunnelshutdown",  GET_STAT(call_tunnelshutdown));
-    fprintf(w, "%-30s%lu\r\n", "call_sessionkill",     GET_STAT(call_sessionkill));
-    fprintf(w, "%-30s%lu\r\n", "call_sessionshutdown", GET_STAT(call_sessionshutdown));
-    fprintf(w, "%-30s%lu\r\n", "call_sessionsetup",    GET_STAT(call_sessionsetup));
-    fprintf(w, "%-30s%lu\r\n", "call_assign_ip_address",GET_STAT(call_assign_ip_address));
-    fprintf(w, "%-30s%lu\r\n", "call_free_ip_address", GET_STAT(call_free_ip_address));
-    fprintf(w, "%-30s%lu\r\n", "call_dump_acct_info",  GET_STAT(call_dump_acct_info));
-    fprintf(w, "%-30s%lu\r\n", "call_radiussend",      GET_STAT(call_radiussend));
-    fprintf(w, "%-30s%lu\r\n", "call_radiusretry",     GET_STAT(call_radiusretry));
-#endif
-    return CLI_OK;
+       memset(&addr, 0, sizeof(addr));
+       clifd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
+       setsockopt(clifd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
+       {
+               int flags;
+               // Set cli fd as non-blocking
+               flags = fcntl(clifd, F_GETFL, 0);
+               fcntl(clifd, F_SETFL, flags | O_NONBLOCK);
+       }
+       addr.sin_family = AF_INET;
+       addr.sin_addr.s_addr = config->cli_bind_address; /* defaults to INADDR_ANY */
+       addr.sin_port = htons(23);
+       if (bind(clifd, (void *) &addr, sizeof(addr)) < 0)
+       {
+               LOG(0, 0, 0, "Error binding cli on port 23: %s\n", strerror(errno));
+               close(clifd);
+               clifd = -1;
+               return;
+       }
+       if (listen(clifd, 10) < 0)
+       {
+               LOG(0, 0, 0, "Error listening on cli port 23: %s\n", strerror(errno));
+               close(clifd);
+               clifd = -1;
+               return;
+       }
 }
 
-int cmd_show_version(struct cli_def *cli, FILE *w, char *command, char **argv, int argc)
+void cli_init_hostname(char *hostname)
 {
-    fprintf(w, "L2TPNS %s\r\n", VERSION);
-    fprintf(w, "ID: %s\r\n", rcs_id);
-    return CLI_OK;
+       if (hostname && *hostname)
+               cli_set_hostname(cli, hostname);
+       else
+               cli_set_hostname(cli, "l2tpns");
 }
-int cmd_show_pool(struct cli_def *cli, FILE *w, char *command, char **argv, int argc)
+
+void cli_do(int sockfd)
 {
-    int i;
-    int used = 0, free = 0;
+       int require_auth = 1;
+       struct sockaddr_in addr;
+       socklen_t l = sizeof(addr);
 
-    fprintf(w, "%-15s  %4s   %8s %s\r\n", "IP Address", "Used", "Session", "User");
-    for (i = 0; i < MAXIPPOOL; i++)
-    {
-       sessionidt s = 0;
+       if (fork_and_close()) return;
+       if (getpeername(sockfd, (struct sockaddr *) &addr, &l) == 0)
+       {
+               require_auth = addr.sin_addr.s_addr != inet_addr("127.0.0.1");
+               LOG(require_auth ? 3 : 4, 0, 0, "Accepted connection to CLI from %s\n",
+                       fmtaddr(addr.sin_addr.s_addr, 0));
+       }
+       else
+               LOG(0, 0, 0, "getpeername() failed on cli socket.  Requiring authentication: %s\n", strerror(errno));
 
-       if (!ip_address_pool[i].address) continue;
-       if (ip_address_pool[i].assigned)
+       if (require_auth)
        {
-           used++;
-           s = sessionbyip(ip_address_pool[i].address);
+               LOG(3, 0, 0, "CLI is remote, requiring authentication\n");
+               if (!cli->users) /* paranoia */
+               {
+                       LOG(0, 0, 0, "No users for remote authentication!  Exiting CLI\n");
+                       exit(0);
+               }
        }
        else
        {
-           free++;
+               /* no username/pass required */
+               cli->users = 0;
        }
 
-       fprintf(w, "%-15s %4s %8d %s\r\n",
-               inet_toa(ip_address_pool[i].address),
-               (s) ? "Y" : "N",
-               s,
-               session[s].user);
-    }
-    fprintf(w, "\r\nFree: %d\r\nUsed: %d\r\n", free, used);
-    return CLI_OK;
+#ifdef RINGBUFFER
+       debug_rb_tail = ringbuffer->tail;
+#endif
+       memset(&debug_flags, 0, sizeof(debug_flags));
+       debug_flags.critical = 1;
+
+       cli_loop(cli, sockfd);
+
+       close(sockfd);
+       LOG(require_auth ? 3 : 4, 0, 0, "Closed CLI connection from %s\n",
+               fmtaddr(addr.sin_addr.s_addr, 0));
+
+       exit(0);
 }
-int cmd_show_banana(struct cli_def *cli, FILE *w, char *command, char **argv, int argc)
-{
-    fputs(" _\r\n"
-          "//\\\r\n"
-          "V  \\\r\n"
-          " \\  \\_\r\n"
-          "  \\,'.`-.\r\n"
-          "   |\\ `. `.\r\n"
-          "   ( \\  `. `-.                        _,.-:\\\r\n"
-          "    \\ \\   `.  `-._             __..--' ,-';/\r\n"
-          "     \\ `.   `-.   `-..___..---'   _.--' ,'/\r\n"
-          "      `. `.    `-._        __..--'    ,' /\r\n"
-          "        `. `-_     ``--..''       _.-' ,'\r\n"
-          "          `-_ `-.___        __,--'   ,'\r\n"
-          "             `-.__  `----\"\"\"    __.-'\r\n"
-          "hh                `--..____..--'\r\n", w);
 
-    return CLI_OK;
+static void cli_print_log(struct cli_def *cli, char *string)
+{
+       LOG(3, 0, 0, "%s\n", string);
 }
 
-int cmd_clear_counters(struct cli_def *cli, FILE *w, char *command, char **argv, int argc)
+void cli_do_file(FILE *fh)
 {
-    fprintf(w, "Counters cleared\r\n");
-    SET_STAT(last_reset, time(NULL));
-    return CLI_OK;
+       LOG(3, 0, 0, "Reading configuration file\n");
+       cli_print_callback(cli, cli_print_log);
+       cli_file(cli, fh, PRIVILEGE_PRIVILEGED, MODE_CONFIG);
+       cli_print_callback(cli, NULL);
 }
 
-int cmd_drop_user(struct cli_def *cli, FILE *w, char *command, char **argv, int argc)
+int cli_arg_help(struct cli_def *cli, int cr_ok, char *entry, ...)
 {
-    int i;
-    sessionidt s;
+       va_list ap;
+       char *desc;
+       char buf[16];
+       char *p;
+
+       va_start(ap, entry);
+       while (entry)
+       {
+               /* allow one %d */
+               if ((p = strchr(entry, '%')) && !strchr(p+1, '%') && p[1] == 'd')
+               {
+                       int v = va_arg(ap, int);
+                       snprintf(buf, sizeof(buf), entry, v);
+                       p = buf;
+               }
+               else
+                       p = entry;
+
+               desc = va_arg(ap, char *);
+               if (desc && *desc)
+                       cli_error(cli, "  %-20s %s", p, desc);
+               else
+                       cli_error(cli, "  %s", p);
+
+               entry = desc ? va_arg(ap, char *) : 0;
+       }
+
+       va_end(ap);
+       if (cr_ok)
+               cli_error(cli, "  <cr>");
 
-    if (!argc)
-    {
-       fprintf(w, "Specify a user to drop\r\n");
        return CLI_OK;
-    }
-    for (i = 0; i < argc; i++)
-    {
-       if (strchr(argv[i], '?'))
+}
+
+static int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int i;
+
+       if (CLI_HELP_REQUESTED)
+               return cli_arg_help(cli, 1,
+                       "<1-%d>", MAXSESSION-1, "Show specific session by id",
+                       NULL);
+
+       time(&time_now);
+       if (argc > 0)
        {
-           fprintf(w, "username ...");
-           return CLI_OK;
+               // Show individual session
+               for (i = 0; i < argc; i++)
+               {
+                       unsigned int s, b_in, b_out;
+                       s = atoi(argv[i]);
+                       if (s <= 0 || s >= MAXSESSION)
+                       {
+                               cli_print(cli, "Invalid session id \"%s\"", argv[i]);
+                               continue;
+                       }
+                       cli_print(cli, "\r\nSession %d:", s);
+                       cli_print(cli, "\tUser:\t\t%s", session[s].user[0] ? session[s].user : "none");
+                       cli_print(cli, "\tCalling Num:\t%s", session[s].calling);
+                       cli_print(cli, "\tCalled Num:\t%s", session[s].called);
+                       cli_print(cli, "\tTunnel ID:\t%d", session[s].tunnel);
+                       cli_print(cli, "\tPPP Phase:\t%s", ppp_phase(session[s].ppp.phase));
+                       switch (session[s].ppp.phase)
+                       {
+                       case Establish:
+                               cli_print(cli, "\t LCP state:\t%s", ppp_state(session[s].ppp.lcp));
+                               break;
+
+                       case Authenticate:
+                       case Network:
+                               cli_print(cli, "\t IPCP state:\t%s", ppp_state(session[s].ppp.ipcp));
+                               cli_print(cli, "\t IPV6CP state:\t%s", ppp_state(session[s].ppp.ipv6cp));
+                               cli_print(cli, "\t CCP state:\t%s", ppp_state(session[s].ppp.ccp));
+                       }
+                       cli_print(cli, "\tIP address:\t%s", fmtaddr(htonl(session[s].ip), 0));
+                       cli_print(cli, "\tUnique SID:\t%u", session[s].unique_id);
+                       cli_print(cli, "\tOpened:\t\t%u seconds", session[s].opened ? abs(time_now - session[s].opened) : 0);
+                       cli_print(cli, "\tIdle time:\t%u seconds", session[s].last_packet ? abs(time_now - session[s].last_packet) : 0);
+                       if (session[s].session_timeout)
+                       {
+                               clockt opened = session[s].opened;
+                               if (session[s].bundle && bundle[session[s].bundle].num_of_links > 1)
+                                       opened = bundle[session[s].bundle].online_time;
+
+                               cli_print(cli, "\tSess Timeout:\t%u seconds", session[s].session_timeout - (opened ? abs(time_now - opened) : 0));
+                       }
+
+                       if (session[s].idle_timeout)
+                               cli_print(cli, "\tIdle Timeout:\t%u seconds", session[s].idle_timeout - (session[s].last_data ? abs(time_now - session[s].last_data) : 0));
+
+                       if (session[s].timeout)
+                       {
+                               cli_print(cli, "\tRemaining time:\t%u",
+                                       (session[s].bundle && bundle[session[s].bundle].num_of_links > 1)
+                                       ? (unsigned) (session[s].timeout - bundle[session[s].bundle].online_time)
+                                       : (unsigned) (session[s].timeout - (time_now - session[s].opened)));
+                       }
+
+                       cli_print(cli, "\tBytes In/Out:\t%u/%u", session[s].cout, session[s].cin);
+                       cli_print(cli, "\tPkts In/Out:\t%u/%u", session[s].pout, session[s].pin);
+                       cli_print(cli, "\tMRU:\t\t%d", session[s].mru);
+                       cli_print(cli, "\tRx Speed:\t%u", session[s].rx_connect_speed);
+                       cli_print(cli, "\tTx Speed:\t%u", session[s].tx_connect_speed);
+                       if (session[s].filter_in && session[s].filter_in <= MAXFILTER)
+                               cli_print(cli, "\tFilter in:\t%u (%s)", session[s].filter_in, ip_filters[session[s].filter_in - 1].name);
+                       if (session[s].filter_out && session[s].filter_out <= MAXFILTER)
+                               cli_print(cli, "\tFilter out:\t%u (%s)", session[s].filter_out, ip_filters[session[s].filter_out - 1].name);
+                       if (session[s].snoop_ip && session[s].snoop_port)
+                               cli_print(cli, "\tIntercepted:\t%s:%d", fmtaddr(session[s].snoop_ip, 0), session[s] .snoop_port);
+                       else
+                               cli_print(cli, "\tIntercepted:\tno");
+
+                       cli_print(cli, "\tWalled Garden:\t%s", session[s].walled_garden ? "YES" : "no");
+                       {
+                               int t = (session[s].throttle_in || session[s].throttle_out);
+                               cli_print(cli, "\tThrottled:\t%s%s%.0d%s%s%.0d%s%s",
+                                       t ? "YES" : "no", t ? " (" : "",
+                                       session[s].throttle_in, session[s].throttle_in ? "kbps" : t ? "-" : "",
+                                       t ? "/" : "",
+                                       session[s].throttle_out, session[s].throttle_out ? "kbps" : t ? "-" : "",
+                                       t ? ")" : "");
+                       }
+
+                       b_in = session[s].tbf_in;
+                       b_out = session[s].tbf_out;
+                       if (b_in || b_out)
+                               cli_print(cli, "\t\t\t%5s %6s %6s | %7s %7s %8s %8s %8s %8s",
+                                       "Rate", "Credit", "Queued", "ByteIn", "PackIn",
+                                       "ByteSent", "PackSent", "PackDrop", "PackDelay");
+
+                       if (b_in)
+                               cli_print(cli, "\tTBFI#%d%1s%s\t%5d %6d %6d | %7d %7d %8d %8d %8d %8d",
+                                       b_in,
+                                       (filter_list[b_in].next ? "*" : " "),
+                                       (b_in < 100 ? "\t" : ""),
+                                       filter_list[b_in].rate * 8,
+                                       filter_list[b_in].credit,
+                                       filter_list[b_in].queued,
+                                       filter_list[b_in].b_queued,
+                                       filter_list[b_in].p_queued,
+                                       filter_list[b_in].b_sent,
+                                       filter_list[b_in].p_sent,
+                                       filter_list[b_in].p_dropped,
+                                       filter_list[b_in].p_delayed);
+
+                       if (b_out)
+                               cli_print(cli, "\tTBFO#%d%1s%s\t%5d %6d %6d | %7d %7d %8d %8d %8d %8d",
+                                       b_out,
+                                       (filter_list[b_out].next ? "*" : " "),
+                                       (b_out < 100 ? "\t" : ""),
+                                       filter_list[b_out].rate * 8,
+                                       filter_list[b_out].credit,
+                                       filter_list[b_out].queued,
+                                       filter_list[b_out].b_queued,
+                                       filter_list[b_out].p_queued,
+                                       filter_list[b_out].b_sent,
+                                       filter_list[b_out].p_sent,
+                                       filter_list[b_out].p_dropped,
+                                       filter_list[b_out].p_delayed);
+
+               }
+               return CLI_OK;
        }
-    }
 
-    for (i = 0; i < argc; i++)
-    {
-       if (!(s = sessionbyuser(argv[i])))
+       // Show Summary
+       cli_print(cli, "%5s %4s %-32s %-15s %s %s %s %s %10s %10s %10s %4s %10s %-15s %s",
+                       "SID",
+                       "TID",
+                       "Username",
+                       "IP",
+                       "I",
+                       "T",
+                       "G",
+                       "6",
+                       "opened",
+                       "downloaded",
+                       "uploaded",
+                       "idle",
+                       "Rem.Time",
+                       "LAC",
+                       "CLI");
+
+       for (i = 1; i < MAXSESSION; i++)
        {
-           fprintf(w, "User %s is not connected\r\n", argv[i]);
-           continue;
+               uint32_t rem_time;
+               if (!session[i].opened) continue;
+               if (session[i].bundle && bundle[session[i].bundle].num_of_links > 1)
+                       rem_time = session[i].timeout ? (session[i].timeout - bundle[session[i].bundle].online_time) : 0;
+               else
+                       rem_time = session[i].timeout ? (session[i].timeout - (time_now-session[i].opened)) : 0;
+
+               cli_print(cli, "%5d %4d %-32s %-15s %s %s %s %s %10u %10lu %10lu %4u %10lu %-15s %s",
+                               i,
+                               session[i].tunnel,
+                               session[i].user[0] ? session[i].user : "*",
+                               fmtaddr(htonl(session[i].ip), 0),
+                               (session[i].snoop_ip && session[i].snoop_port) ? "Y" : "N",
+                               (session[i].throttle_in || session[i].throttle_out) ? "Y" : "N",
+                               (session[i].walled_garden) ? "Y" : "N",
+                               (session[i].ppp.ipv6cp == Opened) ? "Y" : "N",
+                               abs(time_now - (unsigned long)session[i].opened),
+                               (unsigned long)session[i].cout,
+                               (unsigned long)session[i].cin,
+                               abs(time_now - (session[i].last_packet ? session[i].last_packet : time_now)),
+                               (unsigned long)(rem_time),
+                               fmtaddr(htonl(tunnel[ session[i].tunnel ].ip), 1),
+                               session[i].calling[0] ? session[i].calling : "*");
        }
+       return CLI_OK;
+}
 
-       if (session[s].ip && session[s].opened && !session[s].die)
+static int cmd_show_tunnels(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int i, x, show_all = 0;
+       char *states[] = {
+               "Free",
+               "Open",
+               "Closing",
+               "Opening",
+       };
+
+       if (CLI_HELP_REQUESTED)
        {
-           int x;
+               if (argc > 1)
+                       return cli_arg_help(cli, 1,
+                               "<1-%d>", MAXTUNNEL-1, "Show specific tunnel by id",
+                               NULL);
+
+               return cli_arg_help(cli, 1,
+                       "all", "Show all tunnels, including unused",
+                       "<1-%d>", MAXTUNNEL-1, "Show specific tunnel by id",
+                       NULL);
+       }
 
-           fprintf(w, "Dropping user %s\r\n", session[s].user);
-           for (x = 0; x < MAXSESSION; x++)
-           {
-               if (!cli_session_kill[x])
+       time(&time_now);
+       if (argc > 0)
+       {
+               if (strcmp(argv[0], "all") == 0)
+               {
+                       show_all = 1;
+               }
+               else
                {
-                   cli_session_kill[x] = s;
-                   break;
+                       // Show individual tunnel
+                       for (i = 0; i < argc; i++)
+                       {
+                               char s[65535] = {0};
+                               unsigned int t;
+                               t = atoi(argv[i]);
+                               if (t <= 0 || t >= MAXTUNNEL)
+                               {
+                                       cli_print(cli, "Invalid tunnel id \"%s\"", argv[i]);
+                                       continue;
+                               }
+                               cli_print(cli, "\r\nTunnel %d:", t);
+                               cli_print(cli, "\tState:\t\t%s", states[tunnel[t].state]);
+                               cli_print(cli, "\tHostname:\t%s", tunnel[t].hostname[0] ? tunnel[t].hostname : "(none)");
+                               cli_print(cli, "\tRemote IP:\t%s", fmtaddr(htonl(tunnel[t].ip), 0));
+                               cli_print(cli, "\tRemote Port:\t%d", tunnel[t].port);
+                               cli_print(cli, "\tRx Window:\t%u", tunnel[t].window);
+                               cli_print(cli, "\tNext Recv:\t%u", tunnel[t].nr);
+                               cli_print(cli, "\tNext Send:\t%u", tunnel[t].ns);
+                               cli_print(cli, "\tQueue Len:\t%u", tunnel[t].controlc);
+                               cli_print(cli, "\tLast Packet Age:%u", (unsigned)(time_now - tunnel[t].last));
+
+                               for (x = 0; x < MAXSESSION; x++)
+                                       if (session[x].tunnel == t && session[x].opened && !session[x].die)
+                                               sprintf(s, "%s%u ", s, x);
+
+                               cli_print(cli, "\tSessions:\t%s", s);
+                       }
+                       return CLI_OK;
                }
-           }
        }
-    }
 
-    return CLI_OK;
+       // Show tunnel summary
+       cli_print(cli, "%4s %20s %20s %6s %s",
+                       "TID",
+                       "Hostname",
+                       "IP",
+                       "State",
+                       "Sessions");
+
+       for (i = 1; i < MAXTUNNEL; i++)
+       {
+               int sessions = 0;
+               if (!show_all && (!tunnel[i].ip || tunnel[i].die)) continue;
+
+               for (x = 0; x < MAXSESSION; x++) if (session[x].tunnel == i && session[x].opened && !session[x].die) sessions++;
+               cli_print(cli, "%4d %20s %20s %6s %6d",
+                               i,
+                               *tunnel[i].hostname ? tunnel[i].hostname : "(null)",
+                               fmtaddr(htonl(tunnel[i].ip), 0),
+                               states[tunnel[i].state],
+                               sessions);
+       }
+
+       return CLI_OK;
 }
 
-int cmd_drop_tunnel(struct cli_def *cli, FILE *w, char *command, char **argv, int argc)
+static int cmd_show_users(struct cli_def *cli, char *command, char **argv, int argc)
 {
-    int i;
-    tunnelidt tid;
+       char sid[32][8];
+       char *sargv[32];
+       int sargc = 0;
+       int i;
 
-    if (!argc)
-    {
-       fprintf(w, "Specify a tunnel to drop\r\n");
-       return CLI_OK;
-    }
-    for (i = 0; i < argc; i++)
-    {
-       if (strchr(argv[i], '?'))
+       if (CLI_HELP_REQUESTED)
+               return cli_arg_help(cli, 1,
+                       "USER", "Show details for specific username",
+                       NULL);
+
+       for (i = 0; i < MAXSESSION; i++)
        {
-           fprintf(w, "tunnel_id ...");
-           return CLI_OK;
+               if (!session[i].opened) continue;
+               if (!session[i].user[0]) continue;
+               if (argc > 0)
+               {
+                       int j;
+                       for (j = 0; j < argc && sargc < 32; j++)
+                       {
+                               if (strcmp(argv[j], session[i].user) == 0)
+                               {
+                                       snprintf(sid[sargc], sizeof(sid[0]), "%d", i);
+                                       sargv[sargc] = sid[sargc];
+                                       sargc++;
+                               }
+                       }
+
+                       continue;
+               }
+
+               cli_print(cli, "%s", session[i].user);
        }
-    }
 
-    for (i = 0; i < argc; i++)
-    {
-       int x;
+       if (sargc > 0)
+               return cmd_show_session(cli, "users", sargv, sargc);
 
-       if ((tid = atol(argv[i])) <= 0 || (tid > MAXTUNNEL))
-       {
-           fprintf(w, "Invalid tunnel ID (%d - %d)\r\n", 0, MAXTUNNEL);
-           continue;
-       }
+       return CLI_OK;
+}
+
+#ifdef STATISTICS
+static int cmd_show_counters(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       if (CLI_HELP_REQUESTED)
+               return CLI_HELP_NO_ARGS;
+
+       cli_print(cli, "%-10s %10s %10s %10s %10s", "Ethernet", "Bytes", "Packets", "Errors", "Dropped");
+       cli_print(cli, "%-10s %10u %10u %10u %10u", "RX",
+                       GET_STAT(tun_rx_bytes),
+                       GET_STAT(tun_rx_packets),
+                       GET_STAT(tun_rx_errors),
+                       GET_STAT(tun_rx_dropped));
+       cli_print(cli, "%-10s %10u %10u %10u", "TX",
+                       GET_STAT(tun_tx_bytes),
+                       GET_STAT(tun_tx_packets),
+                       GET_STAT(tun_tx_errors));
+       cli_print(cli, "");
+
+       cli_print(cli, "%-10s %10s %10s %10s %10s", "Tunnel", "Bytes", "Packets", "Errors", "Retries");
+       cli_print(cli, "%-10s %10u %10u %10u", "RX",
+                       GET_STAT(tunnel_rx_bytes),
+                       GET_STAT(tunnel_rx_packets),
+                       GET_STAT(tunnel_rx_errors));
+       cli_print(cli, "%-10s %10u %10u %10u %10u", "TX",
+                       GET_STAT(tunnel_tx_bytes),
+                       GET_STAT(tunnel_tx_packets),
+                       GET_STAT(tunnel_tx_errors),
+                       GET_STAT(tunnel_retries));
+       cli_print(cli, "");
+
+       cli_print(cli, "%-30s%-10s", "Counter", "Value");
+       cli_print(cli, "-----------------------------------------");
+       cli_print(cli, "%-30s%u", "radius_retries",             GET_STAT(radius_retries));
+       cli_print(cli, "%-30s%u", "arp_sent",                   GET_STAT(arp_sent));
+       cli_print(cli, "%-30s%u", "packets_snooped",            GET_STAT(packets_snooped));
+       cli_print(cli, "%-30s%u", "tunnel_created",             GET_STAT(tunnel_created));
+       cli_print(cli, "%-30s%u", "session_created",            GET_STAT(session_created));
+       cli_print(cli, "%-30s%u", "tunnel_timeout",             GET_STAT(tunnel_timeout));
+       cli_print(cli, "%-30s%u", "session_timeout",            GET_STAT(session_timeout));
+       cli_print(cli, "%-30s%u", "radius_timeout",             GET_STAT(radius_timeout));
+       cli_print(cli, "%-30s%u", "radius_overflow",            GET_STAT(radius_overflow));
+       cli_print(cli, "%-30s%u", "tunnel_overflow",            GET_STAT(tunnel_overflow));
+       cli_print(cli, "%-30s%u", "session_overflow",           GET_STAT(session_overflow));
+       cli_print(cli, "%-30s%u", "ip_allocated",               GET_STAT(ip_allocated));
+       cli_print(cli, "%-30s%u", "ip_freed",                   GET_STAT(ip_freed));
+       cli_print(cli, "%-30s%u", "cluster_forwarded",          GET_STAT(c_forwarded));
+       cli_print(cli, "%-30s%u", "recv_forward",               GET_STAT(recv_forward));
+       cli_print(cli, "%-30s%u", "select_called",              GET_STAT(select_called));
+       cli_print(cli, "%-30s%u", "multi_read_used",            GET_STAT(multi_read_used));
+       cli_print(cli, "%-30s%u", "multi_read_exceeded",        GET_STAT(multi_read_exceeded));
+
+
+#ifdef STAT_CALLS
+       cli_print(cli, "\n%-30s%-10s", "Counter", "Value");
+       cli_print(cli, "-----------------------------------------");
+       cli_print(cli, "%-30s%u", "call_processtun",            GET_STAT(call_processtun));
+       cli_print(cli, "%-30s%u", "call_processipout",          GET_STAT(call_processipout));
+       cli_print(cli, "%-30s%u", "call_processipv6out",        GET_STAT(call_processipv6out));
+       cli_print(cli, "%-30s%u", "call_processudp",            GET_STAT(call_processudp));
+       cli_print(cli, "%-30s%u", "call_processpap",            GET_STAT(call_processpap));
+       cli_print(cli, "%-30s%u", "call_processchap",           GET_STAT(call_processchap));
+       cli_print(cli, "%-30s%u", "call_processlcp",            GET_STAT(call_processlcp));
+       cli_print(cli, "%-30s%u", "call_processipcp",           GET_STAT(call_processipcp));
+       cli_print(cli, "%-30s%u", "call_processipv6cp",         GET_STAT(call_processipv6cp));
+       cli_print(cli, "%-30s%u", "call_processipin",           GET_STAT(call_processipin));
+       cli_print(cli, "%-30s%u", "call_processipv6in",         GET_STAT(call_processipv6in));
+       cli_print(cli, "%-30s%u", "call_processccp",            GET_STAT(call_processccp));
+       cli_print(cli, "%-30s%u", "call_processrad",            GET_STAT(call_processrad));
+       cli_print(cli, "%-30s%u", "call_sendarp",               GET_STAT(call_sendarp));
+       cli_print(cli, "%-30s%u", "call_sendipcp",              GET_STAT(call_sendipcp));
+       cli_print(cli, "%-30s%u", "call_sendchap",              GET_STAT(call_sendchap));
+       cli_print(cli, "%-30s%u", "call_sessionbyip",           GET_STAT(call_sessionbyip));
+       cli_print(cli, "%-30s%u", "call_sessionbyipv6",         GET_STAT(call_sessionbyipv6));
+       cli_print(cli, "%-30s%u", "call_sessionbyuser",         GET_STAT(call_sessionbyuser));
+       cli_print(cli, "%-30s%u", "call_tunnelsend",            GET_STAT(call_tunnelsend));
+       cli_print(cli, "%-30s%u", "call_tunnelkill",            GET_STAT(call_tunnelkill));
+       cli_print(cli, "%-30s%u", "call_tunnelshutdown",        GET_STAT(call_tunnelshutdown));
+       cli_print(cli, "%-30s%u", "call_sessionkill",           GET_STAT(call_sessionkill));
+       cli_print(cli, "%-30s%u", "call_sessionshutdown",       GET_STAT(call_sessionshutdown));
+       cli_print(cli, "%-30s%u", "call_sessionsetup",          GET_STAT(call_sessionsetup));
+       cli_print(cli, "%-30s%u", "call_assign_ip_address",     GET_STAT(call_assign_ip_address));
+       cli_print(cli, "%-30s%u", "call_free_ip_address",       GET_STAT(call_free_ip_address));
+       cli_print(cli, "%-30s%u", "call_dump_acct_info",        GET_STAT(call_dump_acct_info));
+       cli_print(cli, "%-30s%u", "call_radiussend",            GET_STAT(call_radiussend));
+       cli_print(cli, "%-30s%u", "call_radiusretry",           GET_STAT(call_radiusretry));
+       cli_print(cli, "%-30s%u", "call_random_data",           GET_STAT(call_random_data));
+#endif /* STAT_CALLS */
 
-       if (!tunnel[tid].ip)
        {
-           fprintf(w, "Tunnel %d is not connected\r\n", tid);
-           continue;
+               time_t l = GET_STAT(last_reset);
+               char *t = ctime(&l);
+               char *p = strchr(t, '\n');
+               if (p) *p = 0;
+
+               cli_print(cli, "");
+               cli_print(cli, "Last counter reset %s", t);
        }
 
-       if (tunnel[tid].die)
+       return CLI_OK;
+}
+
+static int cmd_clear_counters(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       if (CLI_HELP_REQUESTED)
+               return CLI_HELP_NO_ARGS;
+
+       memset(_statistics, 0, sizeof(struct Tstats));
+       SET_STAT(last_reset, time(NULL));
+
+       cli_print(cli, "Counters cleared");
+       return CLI_OK;
+}
+#endif /* STATISTICS */
+
+static int cmd_show_version(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int tag = 0;
+       int file = 0;
+       int i = 0;
+
+       if (CLI_HELP_REQUESTED)
+               return cli_arg_help(cli, 1,
+                       "tag", "Include CVS release tag",
+                       "file", "Include file versions",
+                       NULL);
+
+       for (i = 0; i < argc; i++)
+               if (!strcmp(argv[i], "tag"))
+                       tag++;
+               else if (!strcmp(argv[i], "file"))
+                       file++;
+
+       cli_print(cli, "L2TPNS %s", VERSION);
+       if (tag)
        {
-           fprintf(w, "Tunnel %d is already being shut down\r\n", tid);
-           continue;
-       }
+               char const *p = strchr(cvs_name, ':');
+               char const *e;
+               if (p)
+               {
+                       p++;
+                       while (isspace(*p))
+                               p++;
+               }
 
-       for (x = 0; x < MAXTUNNEL; x++)
+               if (!p || *p == '$')
+                       p = "HEAD";
+
+               e = strpbrk(p, " \t$");
+               cli_print(cli, "Tag: %.*s", (int) (e ? e - p + 1 : strlen(p)), p);
+       }
+       
+       if (file)
        {
-           if (!cli_tunnel_kill[x])
-           {
-               cli_tunnel_kill[x] = tid;
-               fprintf(w, "Tunnel %d shut down (%s)\r\n", tid, tunnel[tid].hostname);
-               break;
-           }
+               extern linked_list *loaded_plugins;
+               void *p;
+
+               cli_print(cli, "Files:");
+               cli_print(cli, "  %s", cvs_id_arp);
+#ifdef BGP
+               cli_print(cli, "  %s", cvs_id_bgp);
+#endif /* BGP */
+               cli_print(cli, "  %s", cvs_id_cli);
+               cli_print(cli, "  %s", cvs_id_cluster);
+               cli_print(cli, "  %s", cvs_id_constants);
+               cli_print(cli, "  %s", cvs_id_control);
+               cli_print(cli, "  %s", cvs_id_icmp);
+               cli_print(cli, "  %s", cvs_id_l2tpns);
+               cli_print(cli, "  %s", cvs_id_ll);
+               cli_print(cli, "  %s", cvs_id_ppp);
+               cli_print(cli, "  %s", cvs_id_radius);
+               cli_print(cli, "  %s", cvs_id_tbf);
+               cli_print(cli, "  %s", cvs_id_util);
+
+               ll_reset(loaded_plugins);
+               while ((p = ll_next(loaded_plugins)))
+               {
+                       char const **id = dlsym(p, "cvs_id");
+                       if (id)
+                               cli_print(cli, "  %s", *id);
+               }
        }
-    }
 
-    return CLI_OK;
+       return CLI_OK;
 }
 
-int cmd_drop_session(struct cli_def *cli, FILE *w, char *command, char **argv, int argc)
+static int cmd_show_pool(struct cli_def *cli, char *command, char **argv, int argc)
 {
-    int i;
-    sessionidt s;
+       int i;
+       int used = 0, free = 0, show_all = 0;
 
-    if (!argc)
-    {
-       fprintf(w, "Specify a session id to drop\r\n");
-       return CLI_OK;
-    }
-    for (i = 0; i < argc; i++)
-    {
-       if (strchr(argv[i], '?'))
+       if (!config->cluster_iam_master)
        {
-           fprintf(w, "session_id ...");
-           return CLI_OK;
+               cli_print(cli, "Can't do this on a slave.  Do it on %s",
+                       fmtaddr(config->cluster_master_address, 0));
+
+               return CLI_OK;
        }
-    }
 
-    for (i = 0; i < argc; i++)
-    {
-       if ((s = atol(argv[i])) <= 0 || (s > MAXSESSION))
+       if (CLI_HELP_REQUESTED)
        {
-           fprintf(w, "Invalid session ID (%d - %d)\r\n", 0, MAXSESSION);
-           continue;
+               if (argc > 1)
+                       return cli_arg_help(cli, 1, NULL);
+
+               return cli_arg_help(cli, 1,
+                       "all", "Show all pool addresses, including unused",
+                       NULL);
        }
 
-       if (session[s].ip && session[s].opened && !session[s].die)
+       if (argc > 0 && strcmp(argv[0], "all") == 0)
+               show_all = 1;
+
+       time(&time_now);
+       cli_print(cli, "%-15s %4s %8s %s", "IP Address", "Used", "Session", "User");
+       for (i = 0; i < MAXIPPOOL; i++)
        {
-           int x;
-           for (x = 0; x < MAXSESSION; x++)
-           {
-               if (!cli_session_kill[x])
+               if (!ip_address_pool[i].address) continue;
+               if (ip_address_pool[i].assigned)
+               {
+                       cli_print(cli, "%-15s\tY %8d %s",
+                               fmtaddr(htonl(ip_address_pool[i].address), 0),
+                               ip_address_pool[i].session,
+                               session[ip_address_pool[i].session].user);
+
+                       used++;
+               }
+               else
                {
-                   cli_session_kill[x] = s;
-                   break;
+                       if (ip_address_pool[i].last)
+                               cli_print(cli, "%-15s\tN %8s [%s] %ds",
+                                       fmtaddr(htonl(ip_address_pool[i].address), 0), "",
+                                       ip_address_pool[i].user, (int) time_now - ip_address_pool[i].last);
+
+                       else if (show_all)
+                               cli_print(cli, "%-15s\tN", fmtaddr(htonl(ip_address_pool[i].address), 0));
+
+                       free++;
                }
-           }
-           fprintf(w, "Dropping session %d\r\n", s);
+       }
+
+       if (!show_all)
+               cli_print(cli, "(Not displaying unused addresses)");
+
+       cli_print(cli, "\r\nFree: %d\r\nUsed: %d", free, used);
+       return CLI_OK;
+}
+
+static FILE *save_config_fh = 0;
+static void print_save_config(struct cli_def *cli, char *string)
+{
+       if (save_config_fh)
+               fprintf(save_config_fh, "%s\n", string);
+}
+
+static int cmd_write_memory(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       if (CLI_HELP_REQUESTED)
+               return CLI_HELP_NO_ARGS;
+
+       if ((save_config_fh = fopen(config->config_file, "w")))
+       {
+               cli_print(cli, "Writing configuration");
+               cli_print_callback(cli, print_save_config);
+               cmd_show_run(cli, command, argv, argc);
+               cli_print_callback(cli, NULL);
+               fclose(save_config_fh);
+               save_config_fh = 0;
        }
        else
        {
-           fprintf(w, "Session %d is not active.\r\n", s);
+               cli_error(cli, "Error writing configuration: %s", strerror(errno));
        }
-    }
-
-    return CLI_OK;
+       return CLI_OK;
 }
 
-int cmd_snoop(struct cli_def *cli, FILE *w, char *command, char **argv, int argc)
+static char const *show_access_list_rule(int extended, ip_filter_rulet *rule);
+
+static int cmd_show_run(struct cli_def *cli, char *command, char **argv, int argc)
 {
-    int i;
-    sessionidt s;
+       int i;
+       char ipv6addr[INET6_ADDRSTRLEN];
 
-    if (!argc)
-    {
-       fprintf(w, "Specify a user\r\n");
-       return CLI_OK;
-    }
-    for (i = 0; i < argc; i++)
-    {
-       if (strchr(argv[i], '?'))
+       if (CLI_HELP_REQUESTED)
+               return CLI_HELP_NO_ARGS;
+
+       cli_print(cli, "# Current configuration:");
+
+       for (i = 0; config_values[i].key; i++)
        {
-           fprintf(w, "username ...");
-           return CLI_OK;
+               void *value = ((void *)config) + config_values[i].offset;
+               if (config_values[i].type == STRING)
+                       cli_print(cli, "set %s \"%.*s\"", config_values[i].key, config_values[i].size, (char *) value);
+               else if (config_values[i].type == IPv4)
+                       cli_print(cli, "set %s %s", config_values[i].key, fmtaddr(*(in_addr_t *) value, 0));
+               else if (config_values[i].type == IPv6)
+                       cli_print(cli, "set %s %s", config_values[i].key, inet_ntop(AF_INET6, value, ipv6addr, INET6_ADDRSTRLEN));
+               else if (config_values[i].type == SHORT)
+                       cli_print(cli, "set %s %hu", config_values[i].key, *(short *) value);
+               else if (config_values[i].type == BOOL)
+                       cli_print(cli, "set %s %s", config_values[i].key, (*(int *) value) ? "yes" : "no");
+               else if (config_values[i].type == INT)
+                       cli_print(cli, "set %s %d", config_values[i].key, *(int *) value);
+               else if (config_values[i].type == UNSIGNED_LONG)
+                       cli_print(cli, "set %s %lu", config_values[i].key, *(unsigned long *) value);
        }
-    }
 
-    for (i = 0; i < argc; i++)
-    {
-       if (!(s = sessionbyuser(argv[i])))
+       cli_print(cli, "# Plugins");
+       for (i = 0; i < MAXPLUGINS; i++)
        {
-           fprintf(w, "User %s is not connected\r\n", argv[i]);
-           continue;
+               if (*config->plugins[i])
+               {
+                       cli_print(cli, "load plugin \"%s\"", config->plugins[i]);
+               }
        }
-       session[s].snoop = 1;
 
-       fprintf(w, "Snooping user %s\r\n", argv[i]);
-    }
-    return CLI_OK;
-}
+#ifdef BGP
+       if (config->as_number)
+       {
+               int k;
+               int h;
 
-int cmd_no_snoop(struct cli_def *cli, FILE *w, char *command, char **argv, int argc)
-{
-    int i;
-    sessionidt s;
+               cli_print(cli, "# BGP");
+               cli_print(cli, "router bgp %u", config->as_number);
+               for (i = 0; i < BGP_NUM_PEERS; i++)
+               {
+                       if (!config->neighbour[i].name[0])
+                               continue;
 
-    if (!argc)
-    {
-       fprintf(w, "Specify a user\r\n");
-       return CLI_OK;
-    }
-    for (i = 0; i < argc; i++)
-    {
-       if (strchr(argv[i], '?'))
-       {
-           fprintf(w, "username ...");
-           return CLI_OK;
+                       cli_print(cli, " neighbour %s remote-as %u", config->neighbour[i].name, config->neighbour[i].as);
+
+                       k = config->neighbour[i].keepalive;
+                       h = config->neighbour[i].hold;
+
+                       if (k == -1)
+                       {
+                               if (h == -1)
+                                       continue;
+
+                               k = BGP_KEEPALIVE_TIME;
+                       }
+
+                       if (h == -1)
+                               h = BGP_HOLD_TIME;
+
+                       cli_print(cli, " neighbour %s timers %d %d", config->neighbour[i].name, k, h);
+
+                       if (config->neighbour[i].update_source.s_addr != INADDR_ANY)
+                               cli_print(cli, " neighbour %s update-source %s",
+                                               config->neighbour[i].name,
+                                               inet_ntoa(config->neighbour[i].update_source));
+               }
        }
-    }
+#endif
 
-    for (i = 0; i < argc; i++)
-    {
-       if (!(s = sessionbyuser(argv[i])))
+       cli_print(cli, "# Filters");
+       for (i = 0; i < MAXFILTER; i++)
        {
-           fprintf(w, "User %s is not connected\r\n", argv[i]);
-           continue;
+               ip_filter_rulet *rules;
+               if (!*ip_filters[i].name)
+                       continue;
+
+               cli_print(cli, "ip access-list %s %s",
+                       ip_filters[i].extended ? "extended" : "standard",
+                       ip_filters[i].name);
+
+               rules = ip_filters[i].rules;
+               while (rules->action)
+                       cli_print(cli, "%s", show_access_list_rule(ip_filters[i].extended, rules++));
        }
-       session[s].snoop = 0;
 
-       fprintf(w, "Not snooping user %s\r\n", argv[i]);
-    }
-    return CLI_OK;
+       cli_print(cli, "# end");
+       return CLI_OK;
 }
 
-int cmd_throttle(struct cli_def *cli, FILE *w, char *command, char **argv, int argc)
+static int cmd_show_radius(struct cli_def *cli, char *command, char **argv, int argc)
 {
-    int i;
-    sessionidt s;
-
-    if (!argc)
-    {
-       fprintf(w, "Specify a user\r\n");
-       return CLI_OK;
-    }
-    for (i = 0; i < argc; i++)
-    {
-       if (strchr(argv[i], '?'))
+       int i, free = 0, used = 0, show_all = 0;
+       char *states[] = {
+               "NULL",
+               "CHAP",
+               "AUTH",
+               "IPCP",
+               "START",
+               "STOP",
+               "INTRM",
+               "WAIT",
+       };
+
+       if (CLI_HELP_REQUESTED)
        {
-           fprintf(w, "username ...");
-           return CLI_OK;
+               if (argc > 1)
+                       return cli_arg_help(cli, 1, NULL);
+
+               return cli_arg_help(cli, 1,
+                       "all", "Show all RADIUS sessions, including unused",
+                       NULL);
        }
-    }
 
-    for (i = 0; i < argc; i++)
-    {
-       if (!(s = sessionbyuser(argv[i])))
+       cli_print(cli, "%6s%7s%5s%6s%9s%9s%4s", "ID", "Radius", "Sock", "State", "Session", "Retry", "Try");
+
+       time(&time_now);
+
+       if (argc > 0 && strcmp(argv[0], "all") == 0)
+               show_all = 1;
+
+       for (i = 1; i < MAXRADIUS; i++)
        {
-           fprintf(w, "User %s is not connected\r\n", argv[i]);
-           continue;
+               if (radius[i].state == RADIUSNULL)
+                       free++;
+               else
+                       used++;
+
+               if (!show_all && radius[i].state == RADIUSNULL) continue;
+
+               cli_print(cli, "%6d%7d%5d%6s%9d%9u%4d",
+                               i,
+                               i >> RADIUS_SHIFT,
+                               i & RADIUS_MASK,
+                               states[radius[i].state],
+                               radius[i].session,
+                               radius[i].retry,
+                               radius[i].try);
        }
-       throttle_session(s, 1);
 
-       fprintf(w, "throttling user %s\r\n", argv[i]);
-    }
-    return CLI_OK;
+       cli_print(cli, "\r\nFree: %d\r\nUsed: %d", free, used);
+
+       return CLI_OK;
 }
 
-int cmd_no_throttle(struct cli_def *cli, FILE *w, char *command, char **argv, int argc)
+static int cmd_show_plugins(struct cli_def *cli, char *command, char **argv, int argc)
 {
-    int i;
-    sessionidt s;
+       int i;
+
+       if (CLI_HELP_REQUESTED)
+               return CLI_HELP_NO_ARGS;
+
+       cli_print(cli, "Plugins currently loaded:");
+       for (i = 0; i < MAXPLUGINS; i++)
+               if (*config->plugins[i])
+                       cli_print(cli, "  %s", config->plugins[i]);
 
-    if (!argc)
-    {
-       fprintf(w, "Specify a user\r\n");
        return CLI_OK;
-    }
-    for (i = 0; i < argc; i++)
-    {
-       if (strchr(argv[i], '?'))
-       {
-           fprintf(w, "username ...");
-           return CLI_OK;
-       }
-    }
+}
 
-    for (i = 0; i < argc; i++)
-       {
-       if (!(s = sessionbyuser(argv[i])))
+static int cmd_show_throttle(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int i;
+
+       if (CLI_HELP_REQUESTED)
+               return CLI_HELP_NO_ARGS;
+
+       cli_print(cli, "%5s %4s %-32s %7s %6s %6s %6s",
+                       "SID",
+                       "TID",
+                       "Username",
+                       "Rate In",
+                       "Out",
+                       "TBFI",
+                       "TBFO");
+
+       for (i = 0; i < MAXSESSION; i++)
        {
-           fprintf(w, "User %s is not connected\r\n", argv[i]);
-           continue;
+               if (session[i].throttle_in || session[i].throttle_out)
+                       cli_print(cli, "%5d %4d %-32s  %6d %6d %6d %6d",
+                               i,
+                               session[i].tunnel,
+                               session[i].user,
+                               session[i].throttle_in,
+                               session[i].throttle_out,
+                               session[i].tbf_in,
+                               session[i].tbf_out);
        }
-       throttle_session(s, 0);
 
-       fprintf(w, "unthrottling user %s\r\n", argv[i]);
-    }
-    return CLI_OK;
+       return CLI_OK;
 }
 
-int cmd_debug(struct cli_def *cli, FILE *w, char *command, char **argv, int argc)
+static int cmd_show_banana(struct cli_def *cli, char *command, char **argv, int argc)
 {
-    int i;
+       if (CLI_HELP_REQUESTED)
+               return CLI_HELP_NO_ARGS;
+
+       cli_print(cli,  " _\n"
+                       "//\\\n"
+                       "V  \\\n"
+                       " \\  \\_\n"
+                       "  \\,'.`-.\n"
+                       "   |\\ `. `.\n"
+                       "   ( \\  `. `-.                        _,.-:\\\n"
+                       "    \\ \\   `.  `-._             __..--' ,-';/\n"
+                       "     \\ `.   `-.   `-..___..---'   _.--' ,'/\n"
+                       "      `. `.    `-._        __..--'    ,' /\n"
+                       "        `. `-_     ``--..''       _.-' ,'\n"
+                       "          `-_ `-.___        __,--'   ,'\n"
+                       "             `-.__  `----\"\"\"    __.-'\n"
+                       "hh                `--..____..--'");
 
-    if (!argc)
-    {
-       fprintf(w, "Currently debugging: ");
-       if (debug_flags.critical) fprintf(w, "critical ");
-       if (debug_flags.error) fprintf(w, "error ");
-       if (debug_flags.warning) fprintf(w, "warning ");
-       if (debug_flags.info) fprintf(w, "info ");
-       if (debug_flags.calls) fprintf(w, "calls ");
-       if (debug_flags.data) fprintf(w, "data ");
-       fprintf(w, "\r\n");
        return CLI_OK;
-    }
+}
+
+static int cmd_drop_user(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int i;
+       sessionidt s;
+
+       if (CLI_HELP_REQUESTED)
+               return cli_arg_help(cli, argc > 1,
+                       "USER", "Username of session to drop", NULL);
 
-    for (i = 0; i < argc; i++)
-    {
-       if (*argv[i] == '?')
+       if (!config->cluster_iam_master)
        {
-           fprintf(w, "Possible debugging states are:\r\n");
-           fprintf(w, "        critical\r\n");
-           fprintf(w, "        error\r\n");
-           fprintf(w, "        warning\r\n");
-           fprintf(w, "        info\r\n");
-           fprintf(w, "        calls\r\n");
-           fprintf(w, "        data\r\n");
-           return CLI_OK;
+               cli_error(cli, "Can't do this on a slave.  Do it on %s",
+                       fmtaddr(config->cluster_master_address, 0));
+
+               return CLI_OK;
        }
-    }
 
-    for (i = 0; i < argc; i++)
-    {
-       if (strcasecmp(argv[i], "critical") == 0) debug_flags.critical = 1;
-       if (strcasecmp(argv[i], "error") == 0) debug_flags.error = 1;
-       if (strcasecmp(argv[i], "warning") == 0) debug_flags.warning = 1;
-       if (strcasecmp(argv[i], "info") == 0) debug_flags.info = 1;
-       if (strcasecmp(argv[i], "calls") == 0) debug_flags.calls = 1;
-       if (strcasecmp(argv[i], "data") == 0) debug_flags.data = 1;
-       if (strcasecmp(argv[i], "all") == 0)
+       if (!argc)
        {
-           memset(&debug_flags, 1, sizeof(debug_flags));
-           debug_flags.data = 0;
+               cli_error(cli, "Specify a user to drop");
+               return CLI_OK;
        }
-    }
-
-    return CLI_OK;
-}
 
-int cmd_no_debug(struct cli_def *cli, FILE *w, char *command, char **argv, int argc)
-{
-    int i;
+       for (i = 0; i < argc; i++)
+       {
+               if (!(s = sessionbyuser(argv[i])))
+               {
+                       cli_error(cli, "User %s is not connected", argv[i]);
+                       continue;
+               }
 
-    for (i = 0; i < argc; i++)
-    {
-       if (strcasecmp(argv[i], "critical") == 0) debug_flags.critical = 0;
-       if (strcasecmp(argv[i], "error") == 0) debug_flags.error = 0;
-       if (strcasecmp(argv[i], "warning") == 0) debug_flags.warning = 0;
-       if (strcasecmp(argv[i], "info") == 0) debug_flags.info = 0;
-       if (strcasecmp(argv[i], "calls") == 0) debug_flags.calls = 0;
-       if (strcasecmp(argv[i], "data") == 0) debug_flags.data = 0;
-       if (strcasecmp(argv[i], "all") == 0) memset(&debug_flags, 0, sizeof(debug_flags));
-    }
+               if (session[s].ip && session[s].opened && !session[s].die)
+               {
+                       cli_print(cli, "Dropping user %s", session[s].user);
+                       cli_session_actions[s].action |= CLI_SESS_KILL;
+               }
+       }
 
-    return CLI_OK;
+       return CLI_OK;
 }
 
-int cmd_watch_session(struct cli_def *cli, FILE *w, char *command, char **argv, int argc)
+static int cmd_drop_tunnel(struct cli_def *cli, char *command, char **argv, int argc)
 {
-    sessionidt s;
+       int i;
+       tunnelidt t;
 
-    if (argc != 1)
-    {
-       fprintf(w, "Specify a single session to debug (0 to disable)\r\n");
-       return CLI_OK;
-    }
-    s = atoi(argv[0]);
+       if (CLI_HELP_REQUESTED)
+               return cli_arg_help(cli, argc > 1,
+                       "<1-%d>", MAXTUNNEL-1, "Tunnel id to drop", NULL);
 
-    if (debug_session)
-       fprintf(w, "No longer debugging session %d\r\n", debug_session);
+       if (!config->cluster_iam_master)
+       {
+               cli_error(cli, "Can't do this on a slave.  Do it on %s",
+                       fmtaddr(config->cluster_master_address, 0));
 
-    if (s) fprintf(w, "Debugging session %d.\r\n", s);
-    debug_session = s;
+               return CLI_OK;
+       }
 
-    return CLI_OK;
-}
+       if (!argc)
+       {
+               cli_error(cli, "Specify a tunnel to drop");
+               return CLI_OK;
+       }
 
-int cmd_watch_tunnel(struct cli_def *cli, FILE *w, char *command, char **argv, int argc)
-{
-    tunnelidt s;
+       for (i = 0; i < argc; i++)
+       {
+               if ((t = atol(argv[i])) <= 0 || (t >= MAXTUNNEL))
+               {
+                       cli_error(cli, "Invalid tunnel ID (1-%d)", MAXTUNNEL-1);
+                       continue;
+               }
 
-    if (argc != 1)
-    {
-       fprintf(w, "Specify a single tunnel to debug (0 to disable)\r\n");
-       return CLI_OK;
-    }
-    s = atoi(argv[0]);
+               if (!tunnel[t].ip)
+               {
+                       cli_error(cli, "Tunnel %d is not connected", t);
+                       continue;
+               }
 
-    if (debug_tunnel)
-       fprintf(w, "No longer debugging tunnel %d\r\n", debug_tunnel);
+               if (tunnel[t].die)
+               {
+                       cli_error(cli, "Tunnel %d is already being shut down", t);
+                       continue;
+               }
 
-    if (s) fprintf(w, "Debugging tunnel %d.\r\n", s);
-    debug_tunnel = s;
+               cli_print(cli, "Tunnel %d shut down (%s)", t, tunnel[t].hostname);
+               cli_tunnel_actions[t].action |= CLI_TUN_KILL;
+       }
 
-    return CLI_OK;
+       return CLI_OK;
 }
 
-int regular_stuff(struct cli_def *cli, FILE *w)
+static int cmd_drop_session(struct cli_def *cli, char *command, char **argv, int argc)
 {
-    int i = debug_rb_tail;
+       int i;
+       sessionidt s;
 
-#ifdef RINGBUFFER
-    while (i != ringbuffer->tail)
-    {
-       int show_message = 0;
+       if (CLI_HELP_REQUESTED)
+               return cli_arg_help(cli, argc > 1,
+                       "<1-%d>", MAXSESSION-1, "Session id to drop", NULL);
 
-       if (*ringbuffer->buffer[i].message)
+       if (!config->cluster_iam_master)
        {
-           // Always show messages if we are doing general debug
-           if (ringbuffer->buffer[i].level == 0 && debug_flags.critical) show_message = 1;
-           if (ringbuffer->buffer[i].level == 1 && debug_flags.error) show_message = 1;
-           if (ringbuffer->buffer[i].level == 2 && debug_flags.warning) show_message = 1;
-           if (ringbuffer->buffer[i].level == 3 && debug_flags.info) show_message = 1;
-           if (ringbuffer->buffer[i].level == 4 && debug_flags.calls) show_message = 1;
-           if (ringbuffer->buffer[i].level == 5 && debug_flags.data) show_message = 1;
+               cli_error(cli, "Can't do this on a slave.  Do it on %s",
+                       fmtaddr(config->cluster_master_address, 0));
+
+               return CLI_OK;
        }
 
-       if (show_message)
+       if (!argc)
        {
-           ipt address = ntohl(ringbuffer->buffer[i].address);
-           char *ipaddr;
-           struct in_addr addr;
+               cli_error(cli, "Specify a session id to drop");
+               return CLI_OK;
+       }
 
-           memcpy(&addr, &address, sizeof(ringbuffer->buffer[i].address));
-           ipaddr = inet_ntoa(addr);
+       for (i = 0; i < argc; i++)
+       {
+               if ((s = atol(argv[i])) <= 0 || (s > MAXSESSION))
+               {
+                       cli_error(cli, "Invalid session ID (1-%d)", MAXSESSION-1);
+                       continue;
+               }
 
-           fprintf(w, "%s-%s-%u-%u %s\r",
-                   debug_levels[(int)ringbuffer->buffer[i].level],
-                   ipaddr,
-                   ringbuffer->buffer[i].tunnel,
-                   ringbuffer->buffer[i].session,
-                   ringbuffer->buffer[i].message);
+               if (session[s].ip && session[s].opened && !session[s].die)
+               {
+                       cli_print(cli, "Dropping session %d", s);
+                       cli_session_actions[s].action |= CLI_SESS_KILL;
+               }
+               else
+               {
+                       cli_error(cli, "Session %d is not active.", s);
+               }
        }
 
-       if (++i == ringbuffer->tail) break;
-       if (i == RINGBUFFER_SIZE) i = 0;
-    }
-
-    debug_rb_tail = ringbuffer->tail;
-#endif
-    return CLI_OK;
+       return CLI_OK;
 }
 
-#endif
+static int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       in_addr_t ip;
+       uint16_t port;
+       sessionidt s;
+
+       if (CLI_HELP_REQUESTED)
+       {
+               switch (argc)
+               {
+               case 1:
+                       return cli_arg_help(cli, 0,
+                               "USER", "Username of session to snoop", NULL);
+
+               case 2:
+                       return cli_arg_help(cli, 0,
+                               "A.B.C.D", "IP address of snoop destination", NULL);
+
+               case 3:
+                       return cli_arg_help(cli, 0,
+                               "N", "Port of snoop destination", NULL);
+
+               case 4:
+                       if (!argv[3][1])
+                               return cli_arg_help(cli, 1, NULL);
+
+               default:
+                       return CLI_OK;
+               }
+       }
+
+       if (!config->cluster_iam_master)
+       {
+               cli_error(cli, "Can't do this on a slave.  Do it on %s",
+                       fmtaddr(config->cluster_master_address, 0));
+
+               return CLI_OK;
+       }
+
+       if (argc < 3)
+       {
+               cli_error(cli, "Specify username, ip and port");
+               return CLI_OK;
+       }
+
+       if (!(s = sessionbyuser(argv[0])))
+       {
+               cli_error(cli, "User %s is not connected", argv[0]);
+               return CLI_OK;
+       }
+
+       ip = inet_addr(argv[1]);
+       if (!ip || ip == INADDR_NONE)
+       {
+               cli_error(cli, "Cannot parse IP \"%s\"", argv[1]);
+               return CLI_OK;
+       }
+
+       port = atoi(argv[2]);
+       if (!port)
+       {
+               cli_error(cli, "Invalid port %s", argv[2]);
+               return CLI_OK;
+       }
+
+       cli_print(cli, "Snooping user %s to %s:%d", argv[0], fmtaddr(ip, 0), port);
+       cli_session_actions[s].snoop_ip = ip;
+       cli_session_actions[s].snoop_port = port;
+       cli_session_actions[s].action |= CLI_SESS_SNOOP;
+
+       return CLI_OK;
+}
+
+static int cmd_no_snoop(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int i;
+       sessionidt s;
+
+       if (CLI_HELP_REQUESTED)
+               return cli_arg_help(cli, argc > 1,
+                       "USER", "Username of session to unsnoop", NULL);
+
+       if (!config->cluster_iam_master)
+       {
+               cli_error(cli, "Can't do this on a slave.  Do it on %s",
+                       fmtaddr(config->cluster_master_address, 0));
+
+               return CLI_OK;
+       }
+
+       if (!argc)
+       {
+               cli_error(cli, "Specify a user to unsnoop");
+               return CLI_OK;
+       }
+
+       for (i = 0; i < argc; i++)
+       {
+               if (!(s = sessionbyuser(argv[i])))
+               {
+                       cli_error(cli, "User %s is not connected", argv[i]);
+                       continue;
+               }
+
+               cli_print(cli, "Not snooping user %s", argv[i]);
+               cli_session_actions[s].action |= CLI_SESS_NOSNOOP;
+       }
+
+       return CLI_OK;
+}
+
+static int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int rate_in = 0;
+       int rate_out = 0;
+       sessionidt s;
+
+       /*
+          throttle USER                   - throttle in/out to default rate
+          throttle USER RATE              - throttle in/out to default rate
+          throttle USER in RATE           - throttle input only
+          throttle USER out RATE          - throttle output only
+          throttle USER in RATE out RATE  - throttle both
+        */
+
+       if (CLI_HELP_REQUESTED)
+       {
+               switch (argc)
+               {
+               case 1:
+                       return cli_arg_help(cli, 0,
+                               "USER", "Username of session to throttle", NULL);
+
+               case 2:
+                       return cli_arg_help(cli, 1,
+                               "RATE", "Rate in kbps (in and out)",
+                               "in",   "Select incoming rate",
+                               "out",  "Select outgoing rate", NULL);
+
+               case 4:
+                       return cli_arg_help(cli, 1,
+                               "in",   "Select incoming rate",
+                               "out",  "Select outgoing rate", NULL);
+
+               case 3:
+                       if (isdigit(argv[1][0]))
+                               return cli_arg_help(cli, 1, NULL);
+
+               case 5:
+                       return cli_arg_help(cli, 0, "RATE", "Rate in kbps", NULL);
+
+               default:
+                       return cli_arg_help(cli, argc > 1, NULL);
+               }
+       }
+
+       if (!config->cluster_iam_master)
+       {
+               cli_error(cli, "Can't do this on a slave.  Do it on %s",
+                       fmtaddr(config->cluster_master_address, 0));
+
+               return CLI_OK;
+       }
+
+       if (argc == 0)
+       {
+               cli_error(cli, "Specify a user to throttle");
+               return CLI_OK;
+       }
+
+       if (!(s = sessionbyuser(argv[0])))
+       {
+               cli_error(cli, "User %s is not connected", argv[0]);
+               return CLI_OK;
+       }
+
+       if (argc == 1)
+       {
+               rate_in = rate_out = config->rl_rate;
+       }
+       else if (argc == 2)
+       {
+               rate_in = rate_out = atoi(argv[1]);
+               if (rate_in < 1)
+               {
+                       cli_error(cli, "Invalid rate \"%s\"", argv[1]);
+                       return CLI_OK;
+               }
+       }
+       else if (argc == 3 || argc == 5)
+       {
+               int i;
+               for (i = 1; i < argc - 1; i += 2)
+               {
+                       int r = 0;
+                       if (MATCH("in", argv[i]))
+                               r = rate_in = atoi(argv[i+1]);
+                       else if (MATCH("out", argv[i]))
+                               r = rate_out = atoi(argv[i+1]);
+
+                       if (r < 1)
+                       {
+                               cli_error(cli, "Invalid rate specification \"%s %s\"", argv[i], argv[i+1]);
+                               return CLI_OK;
+                       }
+               }
+       }
+       else
+       {
+               cli_error(cli, "Invalid arguments");
+               return CLI_OK;
+       }
+
+       if ((rate_in && session[s].throttle_in) || (rate_out && session[s].throttle_out))
+       {
+               cli_error(cli, "User %s already throttled, unthrottle first", argv[0]);
+               return CLI_OK;
+       }
+
+       cli_session_actions[s].throttle_in = cli_session_actions[s].throttle_out = -1;
+       if (rate_in && session[s].throttle_in != rate_in)
+               cli_session_actions[s].throttle_in = rate_in;
+
+       if (rate_out && session[s].throttle_out != rate_out)
+               cli_session_actions[s].throttle_out = rate_out;
+
+       if (cli_session_actions[s].throttle_in == -1 &&
+           cli_session_actions[s].throttle_out == -1)
+       {
+               cli_error(cli, "User %s already throttled at this rate", argv[0]);
+               return CLI_OK;
+       }
+
+       cli_print(cli, "Throttling user %s", argv[0]);
+       cli_session_actions[s].action |= CLI_SESS_THROTTLE;
+
+       return CLI_OK;
+}
+
+static int cmd_no_throttle(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int i;
+       sessionidt s;
+
+       if (CLI_HELP_REQUESTED)
+               return cli_arg_help(cli, argc > 1,
+                       "USER", "Username of session to unthrottle", NULL);
+
+       if (!config->cluster_iam_master)
+       {
+               cli_error(cli, "Can't do this on a slave.  Do it on %s",
+                       fmtaddr(config->cluster_master_address, 0));
+
+               return CLI_OK;
+       }
+
+       if (!argc)
+       {
+               cli_error(cli, "Specify a user to unthrottle");
+               return CLI_OK;
+       }
+
+       for (i = 0; i < argc; i++)
+       {
+               if (!(s = sessionbyuser(argv[i])))
+               {
+                       cli_error(cli, "User %s is not connected", argv[i]);
+                       continue;
+               }
+
+               if (session[s].throttle_in || session[s].throttle_out)
+               {
+                       cli_print(cli, "Unthrottling user %s", argv[i]);
+                       cli_session_actions[s].action |= CLI_SESS_NOTHROTTLE;
+               }
+               else
+               {
+                       cli_error(cli, "User %s not throttled", argv[i]);
+               }
+       }
+
+       return CLI_OK;
+}
+
+static int cmd_debug(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int i;
+
+       if (CLI_HELP_REQUESTED)
+               return cli_arg_help(cli, 1,
+                       "all",          "Enable debugging for all except \"data\"",
+                       "critical",     "", // FIXME: add descriptions
+                       "error",        "",
+                       "warning",      "",
+                       "info",         "",
+                       "calls",        "",
+                       "data",         "",
+                       NULL);
+
+       if (!argc)
+       {
+               char *p = (char *) &debug_flags;
+               for (i = 0; i < sizeof(debug_flags); i++)
+               {
+                       if (p[i])
+                       {
+                               cli_print(cli, "Currently debugging:%s%s%s%s%s%s",
+                                       (debug_flags.critical) ? " critical" : "",
+                                       (debug_flags.error)    ? " error"    : "",
+                                       (debug_flags.warning)  ? " warning"  : "",
+                                       (debug_flags.info)     ? " info"     : "",
+                                       (debug_flags.calls)    ? " calls"    : "",
+                                       (debug_flags.data)     ? " data"     : "");
+
+                               return CLI_OK;
+                       }
+               }
+
+               cli_print(cli, "Debugging off");
+               return CLI_OK;
+       }
+
+       for (i = 0; i < argc; i++)
+       {
+               int len = strlen(argv[i]);
+
+               if (argv[i][0] == 'c' && len < 2)
+                       len = 2; /* distinguish [cr]itical from [ca]lls */
+
+               if (!strncmp("critical", argv[i], len)) { debug_flags.critical = 1; continue; }
+               if (!strncmp("error",    argv[i], len)) { debug_flags.error = 1;    continue; }
+               if (!strncmp("warning",  argv[i], len)) { debug_flags.warning = 1;  continue; }
+               if (!strncmp("info",     argv[i], len)) { debug_flags.info = 1;     continue; }
+               if (!strncmp("calls",    argv[i], len)) { debug_flags.calls = 1;    continue; }
+               if (!strncmp("data",     argv[i], len)) { debug_flags.data = 1;     continue; }
+               if (!strncmp("all",      argv[i], len))
+               {
+                       memset(&debug_flags, 1, sizeof(debug_flags));
+                       debug_flags.data = 0;
+                       continue;
+               }
+
+               cli_error(cli, "Invalid debugging flag \"%s\"", argv[i]);
+       }
+
+       return CLI_OK;
+}
+
+static int cmd_no_debug(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int i;
+
+       if (CLI_HELP_REQUESTED)
+               return cli_arg_help(cli, 1,
+                       "all",          "Disable all debugging",
+                       "critical",     "", // FIXME: add descriptions
+                       "error",        "",
+                       "warning",      "",
+                       "info",         "",
+                       "calls",        "",
+                       "data",         "",
+                       NULL);
+
+       if (!argc)
+       {
+               memset(&debug_flags, 0, sizeof(debug_flags));
+               return CLI_OK;
+       }
+
+       for (i = 0; i < argc; i++)
+       {
+               int len = strlen(argv[i]);
+
+               if (argv[i][0] == 'c' && len < 2)
+                       len = 2; /* distinguish [cr]itical from [ca]lls */
+
+               if (!strncmp("critical", argv[i], len)) { debug_flags.critical = 0; continue; }
+               if (!strncmp("error",    argv[i], len)) { debug_flags.error = 0;    continue; }
+               if (!strncmp("warning",  argv[i], len)) { debug_flags.warning = 0;  continue; }
+               if (!strncmp("info",     argv[i], len)) { debug_flags.info = 0;     continue; }
+               if (!strncmp("calls",    argv[i], len)) { debug_flags.calls = 0;    continue; }
+               if (!strncmp("data",     argv[i], len)) { debug_flags.data = 0;     continue; }
+               if (!strncmp("all",      argv[i], len))
+               {
+                       memset(&debug_flags, 0, sizeof(debug_flags));
+                       continue;
+               }
+
+               cli_error(cli, "Invalid debugging flag \"%s\"", argv[i]);
+       }
+
+       return CLI_OK;
+}
+
+static int cmd_load_plugin(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int i, firstfree = 0;
+
+       if (CLI_HELP_REQUESTED)
+               return cli_arg_help(cli, argc > 1,
+                       "PLUGIN", "Name of plugin to load", NULL);
+
+       if (argc != 1)
+       {
+               cli_error(cli, "Specify a plugin to load");
+               return CLI_OK;
+       }
+
+       for (i = 0; i < MAXPLUGINS; i++)
+       {
+               if (!*config->plugins[i] && !firstfree)
+                       firstfree = i;
+               if (strcmp(config->plugins[i], argv[0]) == 0)
+               {
+                       cli_error(cli, "Plugin is already loaded");
+                       return CLI_OK;
+               }
+       }
+
+       if (firstfree)
+       {
+               strncpy(config->plugins[firstfree], argv[0], sizeof(config->plugins[firstfree]) - 1);
+               config->reload_config = 1;
+               cli_print(cli, "Loading plugin %s", argv[0]);
+       }
+
+       return CLI_OK;
+}
+
+static int cmd_remove_plugin(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int i;
+
+       if (CLI_HELP_REQUESTED)
+               return cli_arg_help(cli, argc > 1,
+                       "PLUGIN", "Name of plugin to unload", NULL);
+
+       if (argc != 1)
+       {
+               cli_error(cli, "Specify a plugin to remove");
+               return CLI_OK;
+       }
+
+       for (i = 0; i < MAXPLUGINS; i++)
+       {
+               if (strcmp(config->plugins[i], argv[0]) == 0)
+               {
+                       config->reload_config = 1;
+                       memset(config->plugins[i], 0, sizeof(config->plugins[i]));
+                       return CLI_OK;
+               }
+       }
+
+       cli_error(cli, "Plugin is not loaded");
+       return CLI_OK;
+}
+
+static char *duration(time_t secs)
+{
+       static char *buf = NULL;
+       int p = 0;
+
+       if (!buf) buf = calloc(64, 1);
+
+       if (secs >= 86400)
+       {
+               int days = secs / 86400;
+               p = sprintf(buf, "%d day%s, ", days, days > 1 ? "s" : "");
+               secs %= 86400;
+       }
+
+       if (secs >= 3600)
+       {
+               int mins = secs / 60;
+               int hrs = mins / 60;
+
+               mins %= 60;
+               sprintf(buf + p, "%d:%02d", hrs, mins);
+       }
+       else if (secs >= 60)
+       {
+               int mins = secs / 60;
+               sprintf(buf + p, "%d min%s", mins, mins > 1 ? "s" : "");
+       }
+       else
+               sprintf(buf, "%ld sec%s", secs, secs > 1 ? "s" : "");
+
+       return buf;
+}
+
+static int cmd_uptime(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       FILE *fh;
+       char buf[100], *p = buf, *loads[3];
+       int i, num_sessions = 0;
+
+       if (CLI_HELP_REQUESTED)
+               return CLI_HELP_NO_ARGS;
+
+       fh = fopen("/proc/loadavg", "r");
+       fgets(buf, 100, fh);
+       fclose(fh);
+
+       for (i = 0; i < 3; i++)
+               loads[i] = strdup(strsep(&p, " "));
+
+       time(&time_now);
+       strftime(buf, 99, "%H:%M:%S", localtime(&time_now));
+
+       for (i = 1; i < MAXSESSION; i++)
+               if (session[i].opened) num_sessions++;
+
+       cli_print(cli, "%s up %s, %d users, load average: %s, %s, %s",
+                       buf,
+                       duration(time_now - config->start_time),
+                       num_sessions,
+                       loads[0], loads[1], loads[2]
+       );
+       for (i = 0; i < 3; i++)
+               if (loads[i]) free(loads[i]);
+
+       cli_print(cli, "Bandwidth: %s", config->bandwidth);
+
+       return CLI_OK;
+}
+
+static int cmd_set(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int i;
+
+       if (CLI_HELP_REQUESTED)
+       {
+               switch (argc)
+               {
+               case 1:
+                       {
+                               int len = strlen(argv[0])-1;
+                               for (i = 0; config_values[i].key; i++)
+                                       if (!len || !strncmp(config_values[i].key, argv[0], len))
+                                               cli_error(cli, "  %s", config_values[i].key);
+                       }
+
+                       return CLI_OK;
+
+               case 2:
+                       return cli_arg_help(cli, 0,
+                               "VALUE", "Value for variable", NULL);
+
+               case 3:
+                       if (!argv[2][1])
+                               return cli_arg_help(cli, 1, NULL);
+
+               default:
+                       return CLI_OK;
+               }
+       }
+
+       if (argc != 2)
+       {
+               cli_error(cli, "Specify variable and value");
+               return CLI_OK;
+       }
+
+       for (i = 0; config_values[i].key; i++)
+       {
+               void *value = ((void *) config) + config_values[i].offset;
+               if (strcmp(config_values[i].key, argv[0]) == 0)
+               {
+                       // Found a value to set
+                       cli_print(cli, "Setting \"%s\" to \"%s\"", argv[0], argv[1]);
+                       switch (config_values[i].type)
+                       {
+                       case STRING:
+                               snprintf((char *) value, config_values[i].size, "%s", argv[1]);
+                               break;
+                       case INT:
+                               *(int *) value = atoi(argv[1]);
+                               break;
+                       case UNSIGNED_LONG:
+                               *(unsigned long *) value = atol(argv[1]);
+                               break;
+                       case SHORT:
+                               *(short *) value = atoi(argv[1]);
+                               break;
+                       case IPv4:
+                               *(in_addr_t *) value = inet_addr(argv[1]);
+                               break;
+                       case IPv6:
+                               inet_pton(AF_INET6, argv[1], value);
+                               break;
+                       case BOOL:
+                               if (strcasecmp(argv[1], "yes") == 0 || strcasecmp(argv[1], "true") == 0 || strcasecmp(argv[1], "1") == 0)
+                                       *(int *) value = 1;
+                               else
+                                       *(int *) value = 0;
+                               break;
+                       default:
+                               cli_error(cli, "Unknown variable type");
+                               break;
+                       }
+                       config->reload_config = 1;
+                       return CLI_OK;
+               }
+       }
+
+       cli_error(cli, "Unknown variable \"%s\"", argv[0]);
+       return CLI_OK;
+}
+
+int regular_stuff(struct cli_def *cli)
+{
+#ifdef RINGBUFFER
+       int out = 0;
+       int i;
+
+       for (i = debug_rb_tail; i != ringbuffer->tail; i = (i + 1) % RINGBUFFER_SIZE)
+       {
+               char *m = ringbuffer->buffer[i].message;
+               char *p;
+               int show = 0;
+
+               if (!*m) continue;
+
+               switch (ringbuffer->buffer[i].level)
+               {
+               case 0: show = debug_flags.critical;    break;
+               case 1: show = debug_flags.error;       break;
+               case 2: show = debug_flags.warning;     break;
+               case 3: show = debug_flags.info;        break;
+               case 4: show = debug_flags.calls;       break;
+               case 5: show = debug_flags.data;        break;
+               }
+
+               if (!show) continue;
+
+               if (!(p = strchr(m, '\n')))
+                       p = m + strlen(m);
+
+               cli_error(cli, "\r%s-%u-%u %.*s",
+                       debug_levels[(int)ringbuffer->buffer[i].level],
+                       ringbuffer->buffer[i].tunnel,
+                       ringbuffer->buffer[i].session,
+                       (int) (p - m), m);
+
+               out++;
+       }
+
+       debug_rb_tail = ringbuffer->tail;
+       if (out)
+               cli_reprompt(cli);
+#endif
+       return CLI_OK;
+}
+
+#ifdef BGP
+static int cmd_router_bgp(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int as;
+
+       if (CLI_HELP_REQUESTED)
+               return cli_arg_help(cli, argc > 1,
+                       "<1-65535>", "Autonomous system number", NULL);
+
+       if (argc != 1 || (as = atoi(argv[0])) < 1 || as > 65535)
+       {
+               cli_error(cli, "Invalid autonomous system number");
+               return CLI_OK;
+       }
+
+       if (bgp_configured && as != config->as_number)
+       {
+               cli_error(cli, "Can't change local AS on a running system");
+               return CLI_OK;
+       }
+
+       config->as_number = as;
+       cli_set_configmode(cli, MODE_CONFIG_BGP, "router");
+
+       return CLI_OK;
+}
+
+static int find_bgp_neighbour(char const *name)
+{
+       int i;
+       int new = -1;
+       struct hostent *h;
+       in_addr_t addrs[4] = { 0 };
+       char **a;
+
+       if (!(h = gethostbyname(name)) || h->h_addrtype != AF_INET)
+               return -2;
+
+       for (i = 0; i < sizeof(addrs) / sizeof(*addrs) && h->h_addr_list[i]; i++)
+               memcpy(&addrs[i], h->h_addr_list[i], sizeof(*addrs));
+
+       for (i = 0; i < BGP_NUM_PEERS; i++)
+       {
+               if (!config->neighbour[i].name[0])
+               {
+                       if (new == -1) new = i;
+                       continue;
+               }
+
+               if (!strcmp(name, config->neighbour[i].name))
+                       return i;
+
+               if (!(h = gethostbyname(config->neighbour[i].name)) || h->h_addrtype != AF_INET)
+                       continue;
+
+               for (a = h->h_addr_list; *a; a++)
+               {
+                       int j;
+                       for (j = 0; j < sizeof(addrs) / sizeof(*addrs) && addrs[j]; j++)
+                               if (!memcmp(&addrs[j], *a, sizeof(*addrs)))
+                                       return i;
+               }
+       }
+
+       return new;
+}
+
+static int cmd_router_bgp_neighbour(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int i;
+       int keepalive;
+       int hold;
+
+       if (CLI_HELP_REQUESTED)
+       {
+               switch (argc)
+               {
+               case 1:
+                       return cli_arg_help(cli, 0,
+                               "A.B.C.D", "BGP neighbour address",
+                               "NAME",    "BGP neighbour name",
+                               NULL);
+
+               case 2:
+                       return cli_arg_help(cli, 0,
+                               "remote-as", "Set remote autonomous system number",
+                               "timers",    "Set timers",
+                               "update-source",    "Set source address to use for the BGP session",
+                               NULL);
+
+               default:
+                       if (MATCH("remote-as", argv[1]))
+                               return cli_arg_help(cli, argv[2][1], "<1-65535>", "Autonomous system number", NULL);
+
+                       if (MATCH("timers", argv[1]))
+                       {
+                               if (argc == 3)
+                                       return cli_arg_help(cli, 0, "<1-65535>", "Keepalive time", NULL);
+
+                               if (argc == 4)
+                                       return cli_arg_help(cli, argv[3][1], "<3-65535>", "Hold time", NULL);
+
+                               if (argc == 5 && !argv[4][1])
+                                       return cli_arg_help(cli, 1, NULL);
+                       }
+
+                       if (MATCH("update-source", argv[1]))
+                               return cli_arg_help(cli, argc > 3, "A.B.C.D", "Source IP address", NULL);
+
+                       return CLI_OK;
+               }
+       }
+
+       if (argc < 3)
+       {
+               cli_error(cli, "Invalid arguments");
+               return CLI_OK;
+       }
+
+       if ((i = find_bgp_neighbour(argv[0])) == -2)
+       {
+               cli_error(cli, "Invalid neighbour");
+               return CLI_OK;
+       }
+
+       if (i == -1)
+       {
+               cli_error(cli, "Too many neighbours (max %d)", BGP_NUM_PEERS);
+               return CLI_OK;
+       }
+
+       if (MATCH("remote-as", argv[1]))
+       {
+               int as = atoi(argv[2]);
+               if (as < 0 || as > 65535)
+               {
+                       cli_error(cli, "Invalid autonomous system number");
+                       return CLI_OK;
+               }
+
+               if (!config->neighbour[i].name[0])
+               {
+                       snprintf(config->neighbour[i].name, sizeof(config->neighbour[i].name), "%s", argv[0]);
+                       config->neighbour[i].keepalive = -1;
+                       config->neighbour[i].hold = -1;
+                       config->neighbour[i].update_source.s_addr = INADDR_ANY;
+               }
+
+               config->neighbour[i].as = as;
+               return CLI_OK;
+       }
+
+       if (MATCH("update-source", argv[1]))
+       {
+               struct in_addr addr;
+
+               if (!config->neighbour[i].name[0])
+               {
+                       cli_error(cli, "Specify remote-as first");
+                       return CLI_OK;
+               }
+
+               if (!inet_aton(argv[2], &addr))
+               {
+                       cli_error(cli, "Cannot parse IP \"%s\"", argv[2]);
+                       return CLI_OK;
+               }
+
+               config->neighbour[i].update_source = addr;
+               return CLI_OK;
+       }
+
+       if (argc != 4 || !MATCH("timers", argv[1]))
+       {
+               cli_error(cli, "Invalid arguments");
+               return CLI_OK;
+       }
+
+       if (!config->neighbour[i].name[0])
+       {
+               cli_error(cli, "Specify remote-as first");
+               return CLI_OK;
+       }
+
+       keepalive = atoi(argv[2]);
+       hold = atoi(argv[3]);
+
+       if (keepalive < 1 || keepalive > 65535)
+       {
+               cli_error(cli, "Invalid keepalive time");
+               return CLI_OK;
+       }
+
+       if (hold < 3 || hold > 65535)
+       {
+               cli_error(cli, "Invalid hold time");
+               return CLI_OK;
+       }
+
+       if (keepalive == BGP_KEEPALIVE_TIME)
+               keepalive = -1; // using default value
+
+       if (hold == BGP_HOLD_TIME)
+               hold = -1;
+
+       config->neighbour[i].keepalive = keepalive;
+       config->neighbour[i].hold = hold;
+
+       return CLI_OK;
+}
+
+static int cmd_router_bgp_no_neighbour(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int i;
+
+       if (CLI_HELP_REQUESTED)
+               return cli_arg_help(cli, argc > 0,
+                       "A.B.C.D", "BGP neighbour address",
+                       "NAME",    "BGP neighbour name",
+                       NULL);
+
+       if (argc != 1)
+       {
+               cli_error(cli, "Specify a BGP neighbour");
+               return CLI_OK;
+       }
+
+       if ((i = find_bgp_neighbour(argv[0])) == -2)
+       {
+               cli_error(cli, "Invalid neighbour");
+               return CLI_OK;
+       }
+
+       if (i < 0 || !config->neighbour[i].name[0])
+       {
+               cli_error(cli, "Neighbour %s not configured", argv[0]);
+               return CLI_OK;
+       }
+
+       memset(&config->neighbour[i], 0, sizeof(config->neighbour[i]));
+       return CLI_OK;
+}
+
+static int cmd_show_bgp(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int i;
+       int hdr = 0;
+       char *addr;
+
+       if (!bgp_configured)
+               return CLI_OK;
+
+       if (CLI_HELP_REQUESTED)
+               return cli_arg_help(cli, 1,
+                       "A.B.C.D", "BGP neighbour address",
+                       "NAME",    "BGP neighbour name",
+                       NULL);
+
+       cli_print(cli, "BGPv%d router identifier %s, local AS number %d",
+               BGP_VERSION, fmtaddr(my_address, 0), (int) config->as_number);
+
+       time(&time_now);
+
+       for (i = 0; i < BGP_NUM_PEERS; i++)
+       {
+               if (!*bgp_peers[i].name)
+                       continue;
+
+               addr = fmtaddr(bgp_peers[i].addr, 0);
+               if (argc && strcmp(addr, argv[0]) &&
+                   strncmp(bgp_peers[i].name, argv[0], strlen(argv[0])))
+                       continue;
+
+               if (!hdr++)
+               {
+                       cli_print(cli, "");
+                       cli_print(cli, "Peer                  AS         Address "
+                           "State       Retries Retry in Route Pend    Timers");
+                       cli_print(cli, "------------------ ----- --------------- "
+                           "----------- ------- -------- ----- ---- ---------");
+               }
+
+               cli_print(cli, "%-18.18s %5d %15s %-11s %7d %7lds %5s %4s %4d %4d",
+                       bgp_peers[i].name,
+                       bgp_peers[i].as,
+                       addr,
+                       bgp_state_str(bgp_peers[i].state),
+                       bgp_peers[i].retry_count,
+                       bgp_peers[i].retry_time ? bgp_peers[i].retry_time - time_now : 0,
+                       bgp_peers[i].routing ? "yes" : "no",
+                       bgp_peers[i].update_routes ? "yes" : "no",
+                       bgp_peers[i].keepalive,
+                       bgp_peers[i].hold);
+       }
+
+       return CLI_OK;
+}
+
+static int cmd_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int i;
+       char *addr;
+
+       if (!bgp_configured)
+               return CLI_OK;
+
+       if (CLI_HELP_REQUESTED)
+               return cli_arg_help(cli, 1,
+                       "A.B.C.D", "BGP neighbour address",
+                       "NAME",    "BGP neighbour name",
+                       NULL);
+
+       for (i = 0; i < BGP_NUM_PEERS; i++)
+       {
+               if (bgp_peers[i].state != Established)
+                       continue;
+
+               if (!bgp_peers[i].routing)
+                       continue;
+
+               addr = fmtaddr(bgp_peers[i].addr, 0);
+               if (argc && strcmp(addr, argv[0]) && strcmp(bgp_peers[i].name, argv[0]))
+                       continue;
+
+               bgp_peers[i].cli_flag = BGP_CLI_SUSPEND;
+               cli_print(cli, "Suspending peer %s", bgp_peers[i].name);
+       }
+
+       return CLI_OK;
+}
+
+static int cmd_no_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int i;
+       char *addr;
+
+       if (!bgp_configured)
+               return CLI_OK;
+
+       if (CLI_HELP_REQUESTED)
+               return cli_arg_help(cli, 1,
+                       "A.B.C.D", "BGP neighbour address",
+                       "NAME",    "BGP neighbour name",
+                       NULL);
+
+       for (i = 0; i < BGP_NUM_PEERS; i++)
+       {
+               if (bgp_peers[i].state != Established)
+                       continue;
+
+               if (bgp_peers[i].routing)
+                       continue;
+
+               addr = fmtaddr(bgp_peers[i].addr, 0);
+               if (argc && strcmp(addr, argv[0]) &&
+                   strncmp(bgp_peers[i].name, argv[0], strlen(argv[0])))
+                       continue;
+
+               bgp_peers[i].cli_flag = BGP_CLI_ENABLE;
+               cli_print(cli, "Un-suspending peer %s", bgp_peers[i].name);
+       }
+
+       return CLI_OK;
+}
+
+static int cmd_restart_bgp(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int i;
+       char *addr;
+
+       if (!bgp_configured)
+               return CLI_OK;
+
+       if (CLI_HELP_REQUESTED)
+               return cli_arg_help(cli, 1,
+                       "A.B.C.D", "BGP neighbour address",
+                       "NAME",    "BGP neighbour name",
+                       NULL);
+
+       for (i = 0; i < BGP_NUM_PEERS; i++)
+       {
+               if (!*bgp_peers[i].name)
+                       continue;
+
+               addr = fmtaddr(bgp_peers[i].addr, 0);
+               if (argc && strcmp(addr, argv[0]) &&
+                   strncmp(bgp_peers[i].name, argv[0], strlen(argv[0])))
+                       continue;
+
+               bgp_peers[i].cli_flag = BGP_CLI_RESTART;
+               cli_print(cli, "Restarting peer %s", bgp_peers[i].name);
+       }
+
+       return CLI_OK;
+}
+#endif /* BGP*/
+
+static int filt;
+static int access_list(struct cli_def *cli, char **argv, int argc, int add)
+{
+       int extended;
+
+       if (CLI_HELP_REQUESTED)
+       {
+               switch (argc)
+               {
+               case 1:
+                       return cli_arg_help(cli, 0,
+                               "standard", "Standard syntax",
+                               "extended", "Extended syntax",
+                               NULL);
+
+               case 2:
+                       return cli_arg_help(cli, argv[1][1],
+                               "NAME", "Access-list name",
+                               NULL);
+
+               default:
+                       if (argc == 3 && !argv[2][1])
+                               return cli_arg_help(cli, 1, NULL);
+
+                       return CLI_OK;
+               }
+       }
+
+       if (argc != 2)
+       {
+               cli_error(cli, "Specify access-list type and name");
+               return CLI_OK;
+       }
+
+       if (MATCH("standard", argv[0]))
+               extended = 0;
+       else if (MATCH("extended", argv[0]))
+               extended = 1;
+       else
+       {
+               cli_error(cli, "Invalid access-list type");
+               return CLI_OK;
+       }
+
+       if (strlen(argv[1]) > sizeof(ip_filters[0].name) - 1 ||
+           strspn(argv[1], "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-") != strlen(argv[1]))
+       {
+               cli_error(cli, "Invalid access-list name");
+               return CLI_OK;
+       }
+
+       filt = find_filter(argv[1], strlen(argv[1]));
+       if (add)
+       {
+               if (filt < 0)
+               {
+                       cli_error(cli, "Too many access-lists");
+                       return CLI_OK;
+               }
+
+               // racy
+               if (!*ip_filters[filt].name)
+               {
+                       memset(&ip_filters[filt], 0, sizeof(ip_filters[filt]));
+                       strcpy(ip_filters[filt].name, argv[1]);
+                       ip_filters[filt].extended = extended;
+               }
+               else if (ip_filters[filt].extended != extended)
+               {
+                       cli_error(cli, "Access-list is %s",
+                               ip_filters[filt].extended ? "extended" : "standard");
+
+                       return CLI_OK;
+               }
+
+               cli_set_configmode(cli, MODE_CONFIG_NACL, extended ? "ext-nacl" : "std-nacl");
+               return CLI_OK;
+       }
+
+       if (filt < 0 || !*ip_filters[filt].name)
+       {
+               cli_error(cli, "Access-list not defined");
+               return CLI_OK;
+       }
+
+       // racy
+       if (ip_filters[filt].used)
+       {
+               cli_error(cli, "Access-list in use");
+               return CLI_OK;
+       }
+
+       memset(&ip_filters[filt], 0, sizeof(ip_filters[filt]));
+       return CLI_OK;
+}
+
+static int cmd_ip_access_list(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       return access_list(cli, argv, argc, 1);
+}
+
+static int cmd_no_ip_access_list(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       return access_list(cli, argv, argc, 0);
+}
+
+static int show_ip_wild(char *buf, in_addr_t ip, in_addr_t wild)
+{
+       if (ip == INADDR_ANY && wild == INADDR_BROADCAST)
+               return sprintf(buf, " any");
+
+       if (wild == INADDR_ANY)
+               return sprintf(buf, " host %s", fmtaddr(ip, 0));
+
+       return sprintf(buf, " %s %s", fmtaddr(ip, 0), fmtaddr(wild, 1));
+}
+
+static int show_ports(char *buf, ip_filter_portt *ports)
+{
+       switch (ports->op)
+       {
+       case FILTER_PORT_OP_EQ:    return sprintf(buf, " eq %u", ports->port);
+       case FILTER_PORT_OP_NEQ:   return sprintf(buf, " neq %u", ports->port);
+       case FILTER_PORT_OP_GT:    return sprintf(buf, " gt %u", ports->port);
+       case FILTER_PORT_OP_LT:    return sprintf(buf, " lt %u", ports->port);
+       case FILTER_PORT_OP_RANGE: return sprintf(buf, " range %u %u", ports->port, ports->port2);
+       }
+
+       return 0;
+}
+
+static char const *show_access_list_rule(int extended, ip_filter_rulet *rule)
+{
+       static char buf[256];
+       char *p = buf;
+
+       p += sprintf(p, " %s", rule->action == FILTER_ACTION_PERMIT ? "permit" : "deny");
+       if (extended)
+       {
+               struct protoent *proto = getprotobynumber(rule->proto);
+               p += sprintf(p, " %s", proto ? proto->p_name : "ERR");
+       }
+
+       p += show_ip_wild(p, rule->src_ip, rule->src_wild);
+       if (!extended)
+               return buf;
+
+       if (rule->proto == IPPROTO_TCP || rule->proto == IPPROTO_UDP)
+               p += show_ports(p, &rule->src_ports);
+
+       p += show_ip_wild(p, rule->dst_ip, rule->dst_wild);
+       if (rule->proto == IPPROTO_TCP || rule->proto == IPPROTO_UDP)
+               p += show_ports(p, &rule->dst_ports);
+
+       if (rule->proto == IPPROTO_TCP && rule->tcp_flag_op)
+       {
+               switch (rule->tcp_flag_op)
+               {
+               case FILTER_FLAG_OP_EST:
+                       p += sprintf(p, " established");
+                       break;
+
+               case FILTER_FLAG_OP_ANY:
+               case FILTER_FLAG_OP_ALL:
+                       p += sprintf(p, " match-%s", rule->tcp_flag_op == FILTER_FLAG_OP_ALL ? "all" : "any");
+                       if (rule->tcp_sflags & TCP_FLAG_FIN) p += sprintf(p, " +fin");
+                       if (rule->tcp_cflags & TCP_FLAG_FIN) p += sprintf(p, " -fin");
+                       if (rule->tcp_sflags & TCP_FLAG_SYN) p += sprintf(p, " +syn");
+                       if (rule->tcp_cflags & TCP_FLAG_SYN) p += sprintf(p, " -syn");
+                       if (rule->tcp_sflags & TCP_FLAG_RST) p += sprintf(p, " +rst");
+                       if (rule->tcp_cflags & TCP_FLAG_RST) p += sprintf(p, " -rst");
+                       if (rule->tcp_sflags & TCP_FLAG_PSH) p += sprintf(p, " +psh");
+                       if (rule->tcp_cflags & TCP_FLAG_PSH) p += sprintf(p, " -psh");
+                       if (rule->tcp_sflags & TCP_FLAG_ACK) p += sprintf(p, " +ack");
+                       if (rule->tcp_cflags & TCP_FLAG_ACK) p += sprintf(p, " -ack");
+                       if (rule->tcp_sflags & TCP_FLAG_URG) p += sprintf(p, " +urg");
+                       if (rule->tcp_cflags & TCP_FLAG_URG) p += sprintf(p, " -urg");
+                       break;
+               }
+       }
+
+       if (rule->frag)
+               p += sprintf(p, " fragments");
+
+       return buf;
+}
+
+static ip_filter_rulet *access_list_rule_ext(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       static ip_filter_rulet rule;
+       struct in_addr addr;
+       int i;
+       int a;
+
+       if (CLI_HELP_REQUESTED)
+       {
+               if (argc == 1)
+               {
+                       cli_arg_help(cli, 0,
+                               "ip",  "Match IP packets",
+                               "tcp", "Match TCP packets",
+                               "udp", "Match UDP packets",
+                               NULL);
+
+                       return NULL;
+               }
+
+               // *sigh*, too darned complex
+               cli_arg_help(cli, 0, "RULE", "SOURCE [PORTS] DEST [PORTS] FLAGS", NULL);
+               return NULL;
+       }
+
+       if (argc < 3)
+       {
+               cli_error(cli, "Specify rule details");
+               return NULL;
+       }
+
+       memset(&rule, 0, sizeof(rule));
+       rule.action = (command[0] == 'p')
+               ? FILTER_ACTION_PERMIT
+               : FILTER_ACTION_DENY;
+
+       if (MATCH("ip", argv[0]))
+               rule.proto = IPPROTO_IP;
+       else if (MATCH("udp", argv[0]))
+               rule.proto = IPPROTO_UDP;
+       else if (MATCH("tcp", argv[0]))
+               rule.proto = IPPROTO_TCP;
+       else
+       {
+               cli_error(cli, "Invalid protocol \"%s\"", argv[0]);
+               return NULL;
+       }
+
+       for (a = 1, i = 0; i < 2; i++)
+       {
+               in_addr_t *ip;
+               in_addr_t *wild;
+               ip_filter_portt *port;
+
+               if (i == 0)
+               {
+                       ip = &rule.src_ip;
+                       wild = &rule.src_wild;
+                       port = &rule.src_ports;
+               }
+               else
+               {
+                       ip = &rule.dst_ip;
+                       wild = &rule.dst_wild;
+                       port = &rule.dst_ports;
+                       if (a >= argc)
+                       {
+                               cli_error(cli, "Specify destination");
+                               return NULL;
+                       }
+               }
+
+               if (MATCH("any", argv[a]))
+               {
+                       *ip = INADDR_ANY;
+                       *wild = INADDR_BROADCAST;
+                       a++;
+               }
+               else if (MATCH("host", argv[a]))
+               {
+                       if (++a >= argc)
+                       {
+                               cli_error(cli, "Specify host ip address");
+                               return NULL;
+                       }
+
+                       if (!inet_aton(argv[a], &addr))
+                       {
+                               cli_error(cli, "Cannot parse IP \"%s\"", argv[a]);
+                               return NULL;
+                       }
+
+                       *ip = addr.s_addr;
+                       *wild = INADDR_ANY;
+                       a++;
+               }
+               else
+               {
+                       if (a >= argc - 1)
+                       {
+                               cli_error(cli, "Specify %s ip address and wildcard", i ? "destination" : "source");
+                               return NULL;
+                       }
+
+                       if (!inet_aton(argv[a], &addr))
+                       {
+                               cli_error(cli, "Cannot parse IP \"%s\"", argv[a]);
+                               return NULL;
+                       }
+
+                       *ip = addr.s_addr;
+
+                       if (!inet_aton(argv[++a], &addr))
+                       {
+                               cli_error(cli, "Cannot parse IP \"%s\"", argv[a]);
+                               return NULL;
+                       }
+
+                       *wild = addr.s_addr;
+                       a++;
+               }
+
+               if (rule.proto == IPPROTO_IP || a >= argc)
+                       continue;
+
+               port->op = 0;
+               if (MATCH("eq", argv[a]))
+                       port->op = FILTER_PORT_OP_EQ;
+               else if (MATCH("neq", argv[a]))
+                       port->op = FILTER_PORT_OP_NEQ;
+               else if (MATCH("gt", argv[a]))
+                       port->op = FILTER_PORT_OP_GT;
+               else if (MATCH("lt", argv[a]))
+                       port->op = FILTER_PORT_OP_LT;
+               else if (MATCH("range", argv[a]))
+                       port->op = FILTER_PORT_OP_RANGE;
+
+               if (!port->op)
+                       continue;
+
+               if (++a >= argc)
+               {
+                       cli_error(cli, "Specify port");
+                       return NULL;
+               }
+
+               if (!(port->port = atoi(argv[a])))
+               {
+                       cli_error(cli, "Invalid port \"%s\"", argv[a]);
+                       return NULL;
+               }
+                       
+               a++;
+               if (port->op != FILTER_PORT_OP_RANGE)
+                       continue;
+
+               if (a >= argc)
+               {
+                       cli_error(cli, "Specify port");
+                       return NULL;
+               }
+
+               if (!(port->port2 = atoi(argv[a])) || port->port2 < port->port)
+               {
+                       cli_error(cli, "Invalid port \"%s\"", argv[a]);
+                       return NULL;
+               }
+                       
+               a++;
+       }
+
+       if (rule.proto == IPPROTO_TCP && a < argc)
+       {
+               if (MATCH("established", argv[a]))
+               {
+                       rule.tcp_flag_op = FILTER_FLAG_OP_EST;
+                       a++;
+               }
+               else if (!strcmp(argv[a], "match-any") || !strcmp(argv[a], "match-an") ||
+                        !strcmp(argv[a], "match-all") || !strcmp(argv[a], "match-al"))
+               {
+                       rule.tcp_flag_op = argv[a][7] == 'n'
+                               ? FILTER_FLAG_OP_ANY
+                               : FILTER_FLAG_OP_ALL;
+
+                       if (++a >= argc)
+                       {
+                               cli_error(cli, "Specify tcp flags");
+                               return NULL;
+                       }
+
+                       while (a < argc && (argv[a][0] == '+' || argv[a][0] == '-'))
+                       {
+                               uint8_t *f;
+
+                               f = (argv[a][0] == '+') ? &rule.tcp_sflags : &rule.tcp_cflags;
+
+                               if (MATCH("fin", &argv[a][1]))      *f |= TCP_FLAG_FIN;
+                               else if (MATCH("syn", &argv[a][1])) *f |= TCP_FLAG_SYN;
+                               else if (MATCH("rst", &argv[a][1])) *f |= TCP_FLAG_RST;
+                               else if (MATCH("psh", &argv[a][1])) *f |= TCP_FLAG_PSH;
+                               else if (MATCH("ack", &argv[a][1])) *f |= TCP_FLAG_ACK;
+                               else if (MATCH("urg", &argv[a][1])) *f |= TCP_FLAG_URG;
+                               else
+                               {
+                                       cli_error(cli, "Invalid tcp flag \"%s\"", argv[a]);
+                                       return NULL;
+                               }
+
+                               a++;
+                       }
+               }
+       }
+
+       if (a < argc && MATCH("fragments", argv[a]))
+       {
+               if (rule.src_ports.op || rule.dst_ports.op || rule.tcp_flag_op)
+               {
+                       cli_error(cli, "Can't specify \"fragments\" on rules with layer 4 matches");
+                       return NULL;
+               }
+
+               rule.frag = 1;
+               a++;
+       }
+
+       if (a < argc)
+       {
+               cli_error(cli, "Invalid flag \"%s\"", argv[a]);
+               return NULL;
+       }
+
+       return &rule;
+}
+
+static ip_filter_rulet *access_list_rule_std(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       static ip_filter_rulet rule;
+       struct in_addr addr;
+
+       if (CLI_HELP_REQUESTED)
+       {
+               if (argc == 1)
+               {
+                       cli_arg_help(cli, argv[0][1],
+                               "A.B.C.D", "Source address",
+                               "any",     "Any source address",
+                               "host",    "Source host",
+                               NULL);
+
+                       return NULL;
+               }
+
+               if (MATCH("any", argv[0]))
+               {
+                       if (argc == 2 && !argv[1][1])
+                               cli_arg_help(cli, 1, NULL);
+               }
+               else if (MATCH("host", argv[0]))
+               {
+                       if (argc == 2)
+                       {
+                               cli_arg_help(cli, argv[1][1],
+                                       "A.B.C.D", "Host address",
+                                       NULL);
+                       }
+                       else if (argc == 3 && !argv[2][1])
+                               cli_arg_help(cli, 1, NULL);
+               }
+               else
+               {
+                       if (argc == 2)
+                       {
+                               cli_arg_help(cli, 1,
+                                       "A.B.C.D", "Wildcard bits",
+                                       NULL);
+                       }
+                       else if (argc == 3 && !argv[2][1])
+                               cli_arg_help(cli, 1, NULL);
+               }
+
+               return NULL;
+       }
+
+       if (argc < 1)
+       {
+               cli_error(cli, "Specify rule details");
+               return NULL;
+       }
+
+       memset(&rule, 0, sizeof(rule));
+       rule.action = (command[0] == 'p')
+               ? FILTER_ACTION_PERMIT
+               : FILTER_ACTION_DENY;
+
+       rule.proto = IPPROTO_IP;
+       if (MATCH("any", argv[0]))
+       {
+               rule.src_ip = INADDR_ANY;
+               rule.src_wild = INADDR_BROADCAST;
+       }
+       else if (MATCH("host", argv[0]))
+       {
+               if (argc != 2)
+               {
+                       cli_error(cli, "Specify host ip address");
+                       return NULL;
+               }
+
+               if (!inet_aton(argv[1], &addr))
+               {
+                       cli_error(cli, "Cannot parse IP \"%s\"", argv[1]);
+                       return NULL;
+               }
+
+               rule.src_ip = addr.s_addr;
+               rule.src_wild = INADDR_ANY;
+       }
+       else
+       {
+               if (argc > 2)
+               {
+                       cli_error(cli, "Specify source ip address and wildcard");
+                       return NULL;
+               }
+
+               if (!inet_aton(argv[0], &addr))
+               {
+                       cli_error(cli, "Cannot parse IP \"%s\"", argv[0]);
+                       return NULL;
+               }
+
+               rule.src_ip = addr.s_addr;
+
+               if (argc > 1)
+               {
+                       if (!inet_aton(argv[1], &addr))
+                       {
+                               cli_error(cli, "Cannot parse IP \"%s\"", argv[1]);
+                               return NULL;
+                       }
+
+                       rule.src_wild = addr.s_addr;
+               }
+               else
+                       rule.src_wild = INADDR_ANY;
+       }
+
+       return &rule;
+}
+
+static int cmd_ip_access_list_rule(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int i;
+       ip_filter_rulet *rule = ip_filters[filt].extended
+               ? access_list_rule_ext(cli, command, argv, argc)
+               : access_list_rule_std(cli, command, argv, argc);
+
+       if (!rule)
+               return CLI_OK;
+
+       for (i = 0; i < MAXFILTER_RULES - 1; i++) // -1: list always terminated by empty rule
+       {
+               if (!ip_filters[filt].rules[i].action)
+               {
+                       memcpy(&ip_filters[filt].rules[i], rule, sizeof(*rule));
+                       return CLI_OK;
+               }
+
+               if (!memcmp(&ip_filters[filt].rules[i], rule, offsetof(ip_filter_rulet, counter)))
+                       return CLI_OK;
+       }
+
+       cli_error(cli, "Too many rules");
+       return CLI_OK;
+}
+
+static int cmd_filter(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       sessionidt s;
+       int i;
+
+       /* filter USER {in|out} FILTER ... */
+       if (CLI_HELP_REQUESTED)
+       {
+               switch (argc)
+               {
+               case 1:
+                       return cli_arg_help(cli, 0,
+                               "USER", "Username of session to filter", NULL);
+
+               case 2:
+               case 4:
+                       return cli_arg_help(cli, 0,
+                               "in",   "Set incoming filter",
+                               "out",  "Set outgoing filter", NULL);
+
+               case 3:
+               case 5:
+                       return cli_arg_help(cli, argc == 5 && argv[4][1],
+                               "NAME", "Filter name", NULL);
+
+               default:
+                       return cli_arg_help(cli, argc > 1, NULL);
+               }
+       }
+
+       if (!config->cluster_iam_master)
+       {
+               cli_error(cli, "Can't do this on a slave.  Do it on %s",
+                       fmtaddr(config->cluster_master_address, 0));
+
+               return CLI_OK;
+       }
+
+       if (argc != 3 && argc != 5)
+       {
+               cli_error(cli, "Specify a user and filters");
+               return CLI_OK;
+       }
+
+       if (!(s = sessionbyuser(argv[0])))
+       {
+               cli_error(cli, "User %s is not connected", argv[0]);
+               return CLI_OK;
+       }
+
+       cli_session_actions[s].filter_in = cli_session_actions[s].filter_out = -1;
+       for (i = 1; i < argc; i += 2)
+       {
+               int *f = 0;
+               int v;
+
+               if (MATCH("in", argv[i]))
+               {
+                       if (session[s].filter_in)
+                       {
+                               cli_error(cli, "Input already filtered");
+                               return CLI_OK;
+                       }
+                       f = &cli_session_actions[s].filter_in;
+               }
+               else if (MATCH("out", argv[i]))
+               {
+                       if (session[s].filter_out)
+                       {
+                               cli_error(cli, "Output already filtered");
+                               return CLI_OK;
+                       }
+                       f = &cli_session_actions[s].filter_out;
+               }
+               else
+               {
+                       cli_error(cli, "Invalid filter specification");
+                       return CLI_OK;
+               }
+
+               v = find_filter(argv[i+1], strlen(argv[i+1]));
+               if (v < 0 || !*ip_filters[v].name)
+               {
+                       cli_error(cli, "Access-list %s not defined", argv[i+1]);
+                       return CLI_OK;
+               }
+
+               *f = v + 1;
+       }
+
+       cli_print(cli, "Filtering user %s", argv[0]);
+       cli_session_actions[s].action |= CLI_SESS_FILTER;
+
+       return CLI_OK;
+}
+
+static int cmd_no_filter(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int i;
+       sessionidt s;
+
+       if (CLI_HELP_REQUESTED)
+               return cli_arg_help(cli, argc > 1,
+                       "USER", "Username of session to remove filters from", NULL);
+
+       if (!config->cluster_iam_master)
+       {
+               cli_error(cli, "Can't do this on a slave.  Do it on %s",
+                       fmtaddr(config->cluster_master_address, 0));
+
+               return CLI_OK;
+       }
+
+       if (!argc)
+       {
+               cli_error(cli, "Specify a user to remove filters from");
+               return CLI_OK;
+       }
+
+       for (i = 0; i < argc; i++)
+       {
+               if (!(s = sessionbyuser(argv[i])))
+               {
+                       cli_error(cli, "User %s is not connected", argv[i]);
+                       continue;
+               }
+
+               if (session[s].filter_in || session[s].filter_out)
+               {
+                       cli_print(cli, "Removing filters from user %s", argv[i]);
+                       cli_session_actions[s].action |= CLI_SESS_NOFILTER;
+               }
+               else
+               {
+                       cli_error(cli, "User %s not filtered", argv[i]);
+               }
+       }
+
+       return CLI_OK;
+}
+
+static int cmd_show_access_list(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int i;
+
+       if (CLI_HELP_REQUESTED)
+               return cli_arg_help(cli, argc > 1, "NAME", "Filter name", NULL);
+
+       if (argc < 1)
+       {
+               cli_error(cli, "Specify a filter name");
+               return CLI_OK;
+       }
+
+       for (i = 0; i < argc; i++)
+       {
+               int f = find_filter(argv[i], strlen(argv[i]));
+               ip_filter_rulet *rules;
+
+               if (f < 0 || !*ip_filters[f].name)
+               {
+                       cli_error(cli, "Access-list %s not defined", argv[i]);
+                       return CLI_OK;
+               }
+
+               if (i)
+                       cli_print(cli, "");
+
+               cli_print(cli, "%s IP access list %s",
+                       ip_filters[f].extended ? "Extended" : "Standard",
+                       ip_filters[f].name);
+
+               for (rules = ip_filters[f].rules; rules->action; rules++)
+               {
+                       char const *r = show_access_list_rule(ip_filters[f].extended, rules);
+                       if (rules->counter)
+                               cli_print(cli, "%s (%u match%s)", r,
+                                       rules->counter, rules->counter > 1 ? "es" : "");
+                       else
+                               cli_print(cli, "%s", r);
+               }
+       }
+
+       return CLI_OK;
+}
+
+static int cmd_shutdown(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       if (CLI_HELP_REQUESTED)
+               return CLI_HELP_NO_ARGS;
+
+       kill(getppid(), SIGQUIT);
+       return CLI_OK;
+}
+
+static int cmd_reload(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       if (CLI_HELP_REQUESTED)
+               return CLI_HELP_NO_ARGS;
+
+       kill(getppid(), SIGHUP);
+       return CLI_OK;
+}