*** empty log message ***
[l2tpns.git] / cli.c
diff --git a/cli.c b/cli.c
index 583ca83..5815658 100644 (file)
--- a/cli.c
+++ b/cli.c
@@ -2,7 +2,7 @@
 // vim: sw=8 ts=8
 
 char const *cvs_name = "$Name:  $";
 // vim: sw=8 ts=8
 
 char const *cvs_name = "$Name:  $";
-char const *cvs_id_cli = "$Id: cli.c,v 1.22 2004/11/04 23:41:54 bodea Exp $";
+char const *cvs_id_cli = "$Id: cli.c,v 1.37 2004/11/29 12:36:54 bodea Exp $";
 
 #include <stdio.h>
 #include <stdarg.h>
 
 #include <stdio.h>
 #include <stdarg.h>
@@ -29,6 +29,7 @@ char const *cvs_id_cli = "$Id: cli.c,v 1.22 2004/11/04 23:41:54 bodea Exp $";
 #include "ll.h"
 #ifdef BGP
 #include "bgp.h"
 #include "ll.h"
 #ifdef BGP
 #include "bgp.h"
+#include <netdb.h>
 #endif
 
 extern tunnelt *tunnel;
 #endif
 
 extern tunnelt *tunnel;
@@ -36,18 +37,18 @@ extern sessiont *session;
 extern radiust *radius;
 extern ippoolt *ip_address_pool;
 extern struct Tstats *_statistics;
 extern radiust *radius;
 extern ippoolt *ip_address_pool;
 extern struct Tstats *_statistics;
-struct cli_def *cli = NULL;
-int cli_quit = 0;
-extern struct configt *config;
-extern struct config_descriptt config_values[];
+static struct cli_def *cli = NULL;
+extern configt *config;
+extern config_descriptt config_values[];
 #ifdef RINGBUFFER
 extern struct Tringbuffer *ringbuffer;
 #endif
 extern struct cli_session_actions *cli_session_actions;
 extern struct cli_tunnel_actions *cli_tunnel_actions;
 extern tbft *filter_list;
 #ifdef RINGBUFFER
 extern struct Tringbuffer *ringbuffer;
 #endif
 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;
 
 
-char *debug_levels[] = {
+static char *debug_levels[] = {
        "CRIT",
        "ERROR",
        "WARN",
        "CRIT",
        "ERROR",
        "WARN",
@@ -66,40 +67,60 @@ struct
        char data;
 } debug_flags;
 
        char data;
 } debug_flags;
 
-int debug_session;
-int debug_tunnel;
-int debug_rb_tail;
-FILE *save_config_fh;
-
-int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_show_tunnels(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_show_users(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_show_radius(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_show_counters(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_show_version(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_show_pool(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_show_run(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_show_banana(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_show_plugins(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_show_throttle(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_show_cluster(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_write_memory(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_clear_counters(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_drop_user(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_drop_tunnel(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_drop_session(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_no_snoop(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_no_throttle(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_debug(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_no_debug(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_set(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_load_plugin(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_remove_plugin(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_uptime(struct cli_def *cli, char *command, char **argv, int argc);
-int regular_stuff(struct cli_def *cli);
-void parsemac(char *string, char mac[6]);
+static int debug_session;
+static int debug_tunnel;
+static int debug_rb_tail;
+
+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_counters(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_clear_counters(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 regular_stuff(struct cli_def *cli);
+static void parsemac(char *string, char mac[6]);
+
+#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)))
 
 void init_cli(char *hostname)
 {
 
 void init_cli(char *hostname)
 {
@@ -133,6 +154,7 @@ void init_cli(char *hostname)
        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, "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");
 
        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");
@@ -151,28 +173,43 @@ void init_cli(char *hostname)
        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");
 
        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");
 
-       cli_register_command(cli, NULL, "snoop", cmd_snoop, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Temporarily enable interception for a user");
-       cli_register_command(cli, NULL, "throttle", cmd_throttle, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Temporarily enable throttling for a user");
+       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");
 
        cli_register_command(cli, NULL, "debug", cmd_debug, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Set the level of logging that is shown on the console");
 
+#ifdef BGP
        c = cli_register_command(cli, NULL, "suspend", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, NULL);
        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 peer");
+       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);
 
        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, "Temporarily disable interception for a user");
-       cli_register_command(cli, c, "throttle", cmd_no_throttle, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Temporarily disable throttling for a user");
+       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");
        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);
        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 peer");
+       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, "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, "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, "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, "load", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG, NULL);
        cli_register_command(cli, c, "plugin", cmd_load_plugin, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Load a plugin");
 
@@ -181,12 +218,22 @@ void init_cli(char *hostname)
 
        cli_register_command(cli, NULL, "set", cmd_set, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Set a configuration variable");
 
 
        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")))
        {
        // 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");
+               LOG(0, 0, 0, "WARNING! No users specified. Command-line access is open to all\n");
        }
        else
        {
        }
        else
        {
@@ -202,12 +249,12 @@ void init_cli(char *hostname)
                        if (!strcmp(buf, "enable"))
                        {
                                cli_allow_enable(cli, p);
                        if (!strcmp(buf, "enable"))
                        {
                                cli_allow_enable(cli, p);
-                               log(3, 0, 0, 0, "Setting enable password\n");
+                               LOG(3, 0, 0, "Setting enable password\n");
                        }
                        else
                        {
                                cli_allow_user(cli, buf, p);
                        }
                        else
                        {
                                cli_allow_user(cli, buf, p);
-                               log(3, 0, 0, 0, "Allowing user %s to connect to the CLI\n", buf);
+                               LOG(3, 0, 0, "Allowing user %s to connect to the CLI\n", buf);
                        }
                }
                fclose(f);
                        }
                }
                fclose(f);
@@ -226,7 +273,7 @@ void init_cli(char *hostname)
        addr.sin_port = htons(23);
        if (bind(clifd, (void *) &addr, sizeof(addr)) < 0)
        {
        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));
+               LOG(0, 0, 0, "Error listening on cli port 23: %s\n", strerror(errno));
                return;
        }
        listen(clifd, 10);
                return;
        }
        listen(clifd, 10);
@@ -241,18 +288,18 @@ void cli_do(int sockfd)
        if (fork_and_close()) return;
        if (getpeername(sockfd, (struct sockaddr *)&addr, &l) == 0)
        {
        if (fork_and_close()) return;
        if (getpeername(sockfd, (struct sockaddr *)&addr, &l) == 0)
        {
-               log(3, 0, 0, 0, "Accepted connection to CLI from %s\n", inet_toa(addr.sin_addr.s_addr));
+               LOG(3, 0, 0, "Accepted connection to CLI from %s\n", fmtaddr(addr.sin_addr.s_addr, 0));
                require_auth = addr.sin_addr.s_addr != inet_addr("127.0.0.1");
        }
        else
                require_auth = addr.sin_addr.s_addr != inet_addr("127.0.0.1");
        }
        else
-               log(0, 0, 0, 0, "getpeername() failed on cli socket. Requiring authentication: %s\n", strerror(errno));
+               LOG(0, 0, 0, "getpeername() failed on cli socket.  Requiring authentication: %s\n", strerror(errno));
 
        if (require_auth)
        {
 
        if (require_auth)
        {
-               log(3, 0, 0, 0, "CLI is remote, requiring authentication\n");
+               LOG(3, 0, 0, "CLI is remote, requiring authentication\n");
                if (!cli->users) /* paranoia */
                {
                if (!cli->users) /* paranoia */
                {
-                       log(0, 0, 0, 0, "No users for remote authentication!  Exiting CLI\n");
+                       LOG(0, 0, 0, "No users for remote authentication!  Exiting CLI\n");
                        exit(0);
                }
        }
                        exit(0);
                }
        }
@@ -273,18 +320,18 @@ void cli_do(int sockfd)
        cli_loop(cli, sockfd);
 
        close(sockfd);
        cli_loop(cli, sockfd);
 
        close(sockfd);
-       log(3, 0, 0, 0, "Closed CLI connection from %s\n", inet_toa(addr.sin_addr.s_addr));
+       LOG(3, 0, 0, "Closed CLI connection from %s\n", fmtaddr(addr.sin_addr.s_addr, 0));
        exit(0);
 }
 
        exit(0);
 }
 
-void cli_print_log(struct cli_def *cli, char *string)
+static void cli_print_log(struct cli_def *cli, char *string)
 {
 {
-       log(3, 0, 0, 0, "%s\n", string);
+       LOG(3, 0, 0, "%s\n", string);
 }
 
 void cli_do_file(FILE *fh)
 {
 }
 
 void cli_do_file(FILE *fh)
 {
-       log(3, 0, 0, 0, "Reading configuration file\n");
+       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);
        cli_print_callback(cli, cli_print_log);
        cli_file(cli, fh, PRIVILEGE_PRIVILEGED, MODE_CONFIG);
        cli_print_callback(cli, NULL);
@@ -326,7 +373,7 @@ int cli_arg_help(struct cli_def *cli, int cr_ok, char *entry, ...)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc)
+static int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc)
 {
        int i;
 
 {
        int i;
 
@@ -353,7 +400,7 @@ int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc)
                        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, "\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, "\tIP address:\t%s", inet_toa(htonl(session[s].ip)));
+                       cli_print(cli, "\tIP address:\t%s", fmtaddr(htonl(session[s].ip), 0));
                        cli_print(cli, "\tUnique SID:\t%lu", session[s].unique_id);
                        cli_print(cli, "\tIdle time:\t%u seconds", abs(time_now - session[s].last_packet));
                        cli_print(cli, "\tNext Recv:\t%u", session[s].nr);
                        cli_print(cli, "\tUnique SID:\t%lu", session[s].unique_id);
                        cli_print(cli, "\tIdle time:\t%u seconds", abs(time_now - session[s].last_packet));
                        cli_print(cli, "\tNext Recv:\t%u", session[s].nr);
@@ -364,8 +411,12 @@ int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc)
                        cli_print(cli, "\tRadius Session:\t%u", session[s].radius);
                        cli_print(cli, "\tRx Speed:\t%lu", session[s].rx_connect_speed);
                        cli_print(cli, "\tTx Speed:\t%lu", session[s].tx_connect_speed);
                        cli_print(cli, "\tRadius Session:\t%u", session[s].radius);
                        cli_print(cli, "\tRx Speed:\t%lu", session[s].rx_connect_speed);
                        cli_print(cli, "\tTx Speed:\t%lu", 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)
                        if (session[s].snoop_ip && session[s].snoop_port)
-                               cli_print(cli, "\tIntercepted:\t%s:%d", inet_toa(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");
 
                        else
                                cli_print(cli, "\tIntercepted:\tno");
 
@@ -439,15 +490,12 @@ int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc)
 
        for (i = 1; i < MAXSESSION; i++)
        {
 
        for (i = 1; i < MAXSESSION; i++)
        {
-               char *userip, *tunnelip;
                if (!session[i].opened) continue;
                if (!session[i].opened) continue;
-               userip = strdup(inet_toa(htonl(session[i].ip)));
-               tunnelip = strdup(inet_toa(htonl(tunnel[ session[i].tunnel ].ip)));
                cli_print(cli, "%5d %4d %-32s %-15s %s %s %s %10u %10lu %10lu %4u %-15s %s",
                                i,
                                session[i].tunnel,
                                session[i].user[0] ? session[i].user : "*",
                cli_print(cli, "%5d %4d %-32s %-15s %s %s %s %10u %10lu %10lu %4u %-15s %s",
                                i,
                                session[i].tunnel,
                                session[i].user[0] ? session[i].user : "*",
-                               userip,
+                               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].snoop_ip && session[i].snoop_port) ? "Y" : "N",
                                (session[i].throttle_in || session[i].throttle_out) ? "Y" : "N",
                                (session[i].walled_garden) ? "Y" : "N",
@@ -455,15 +503,13 @@ int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc)
                                (unsigned long)session[i].total_cout,
                                (unsigned long)session[i].total_cin,
                                abs(time_now - (session[i].last_packet ? session[i].last_packet : time_now)),
                                (unsigned long)session[i].total_cout,
                                (unsigned long)session[i].total_cin,
                                abs(time_now - (session[i].last_packet ? session[i].last_packet : time_now)),
-                               tunnelip,
+                               fmtaddr(htonl(tunnel[ session[i].tunnel ].ip), 1),
                                session[i].calling[0] ? session[i].calling : "*");
                                session[i].calling[0] ? session[i].calling : "*");
-               if (userip) free(userip);
-               if (tunnelip) free(tunnelip);
        }
        return CLI_OK;
 }
 
        }
        return CLI_OK;
 }
 
-int cmd_show_tunnels(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)
 {
        int i, x, show_all = 0;
        char *states[] = {
 {
        int i, x, show_all = 0;
        char *states[] = {
@@ -509,7 +555,7 @@ int cmd_show_tunnels(struct cli_def *cli, char *command, char **argv, int argc)
                                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, "\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", inet_toa(htonl(tunnel[t].ip)));
+                               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, "\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);
@@ -538,13 +584,13 @@ int cmd_show_tunnels(struct cli_def *cli, char *command, char **argv, int argc)
        for (i = 1; i < MAXTUNNEL; i++)
        {
                int sessions = 0;
        for (i = 1; i < MAXTUNNEL; i++)
        {
                int sessions = 0;
-               if (!show_all && (!tunnel[i].ip || tunnel[i].die || !tunnel[i].hostname[0])) continue;
+               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)",
 
                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)",
-                               inet_toa(htonl(tunnel[i].ip)),
+                               fmtaddr(htonl(tunnel[i].ip), 0),
                                states[tunnel[i].state],
                                sessions);
        }
                                states[tunnel[i].state],
                                sessions);
        }
@@ -552,7 +598,7 @@ int cmd_show_tunnels(struct cli_def *cli, char *command, char **argv, int argc)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-int cmd_show_users(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)
 {
        char sid[32][8];
        char *sargv[32];
 {
        char sid[32][8];
        char *sargv[32];
@@ -593,7 +639,7 @@ int cmd_show_users(struct cli_def *cli, char *command, char **argv, int argc)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-int cmd_show_counters(struct cli_def *cli, char *command, char **argv, int argc)
+static int cmd_show_counters(struct cli_def *cli, char *command, char **argv, int argc)
 {
        if (CLI_HELP_REQUESTED)
                return CLI_HELP_NO_ARGS;
 {
        if (CLI_HELP_REQUESTED)
                return CLI_HELP_NO_ARGS;
@@ -674,7 +720,7 @@ int cmd_show_counters(struct cli_def *cli, char *command, char **argv, int argc)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-int cmd_show_version(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)
 {
        int tag = 0;
        int file = 0;
 {
        int tag = 0;
        int file = 0;
@@ -746,14 +792,16 @@ int cmd_show_version(struct cli_def *cli, char *command, char **argv, int argc)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-int cmd_show_pool(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)
 {
        int i;
        int used = 0, free = 0, show_all = 0;
 
        if (!config->cluster_iam_master)
        {
 {
        int i;
        int used = 0, free = 0, show_all = 0;
 
        if (!config->cluster_iam_master)
        {
-               cli_print(cli, "Can't do this on a slave.  Do it on %s", inet_toa(config->cluster_master_address));
+               cli_print(cli, "Can't do this on a slave.  Do it on %s",
+                       fmtaddr(config->cluster_master_address, 0));
+
                return CLI_OK;
        }
 
                return CLI_OK;
        }
 
@@ -778,7 +826,9 @@ int cmd_show_pool(struct cli_def *cli, char *command, char **argv, int argc)
                if (ip_address_pool[i].assigned)
                {
                        cli_print(cli, "%-15s\tY %8d %s",
                if (ip_address_pool[i].assigned)
                {
                        cli_print(cli, "%-15s\tY %8d %s",
-                               inet_toa(htonl(ip_address_pool[i].address)), ip_address_pool[i].session, session[ip_address_pool[i].session].user);
+                               fmtaddr(htonl(ip_address_pool[i].address), 0),
+                               ip_address_pool[i].session,
+                               session[ip_address_pool[i].session].user);
 
                        used++;
                }
 
                        used++;
                }
@@ -786,10 +836,11 @@ int cmd_show_pool(struct cli_def *cli, char *command, char **argv, int argc)
                {
                        if (ip_address_pool[i].last)
                                cli_print(cli, "%-15s\tN %8s [%s] %ds",
                {
                        if (ip_address_pool[i].last)
                                cli_print(cli, "%-15s\tN %8s [%s] %ds",
-                                       inet_toa(htonl(ip_address_pool[i].address)), "",
+                                       fmtaddr(htonl(ip_address_pool[i].address), 0), "",
                                        ip_address_pool[i].user, time_now - ip_address_pool[i].last);
                                        ip_address_pool[i].user, time_now - ip_address_pool[i].last);
+
                        else if (show_all)
                        else if (show_all)
-                               cli_print(cli, "%-15s\tN", inet_toa(htonl(ip_address_pool[i].address)));
+                               cli_print(cli, "%-15s\tN", fmtaddr(htonl(ip_address_pool[i].address), 0));
 
                        free++;
                }
 
                        free++;
                }
@@ -802,13 +853,14 @@ int cmd_show_pool(struct cli_def *cli, char *command, char **argv, int argc)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-void print_save_config(struct cli_def *cli, char *string)
+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);
 }
 
 {
        if (save_config_fh)
                fprintf(save_config_fh, "%s\n", string);
 }
 
-int cmd_write_memory(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)
 {
        if (CLI_HELP_REQUESTED)
                return CLI_HELP_NO_ARGS;
 {
        if (CLI_HELP_REQUESTED)
                return CLI_HELP_NO_ARGS;
@@ -820,6 +872,7 @@ int cmd_write_memory(struct cli_def *cli, char *command, char **argv, int argc)
                cmd_show_run(cli, command, argv, argc);
                cli_print_callback(cli, NULL);
                fclose(save_config_fh);
                cmd_show_run(cli, command, argv, argc);
                cli_print_callback(cli, NULL);
                fclose(save_config_fh);
+               save_config_fh = 0;
        }
        else
        {
        }
        else
        {
@@ -828,7 +881,9 @@ int cmd_write_memory(struct cli_def *cli, char *command, char **argv, int argc)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-int cmd_show_run(struct cli_def *cli, 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;
 
 {
        int i;
 
@@ -843,7 +898,7 @@ int cmd_show_run(struct cli_def *cli, char *command, char **argv, int argc)
                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 == IP)
                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 == IP)
-                       cli_print(cli, "set %s %s", config_values[i].key, inet_toa(*(unsigned *)value));
+                       cli_print(cli, "set %s %s", config_values[i].key, fmtaddr(*(unsigned *)value, 0));
                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)
                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)
@@ -871,11 +926,61 @@ int cmd_show_run(struct cli_def *cli, char *command, char **argv, int argc)
                }
        }
 
                }
        }
 
+#ifdef BGP
+       if (config->as_number)
+       {
+               int k;
+               int h;
+
+               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;
+
+                       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);
+               }
+       }
+#endif
+
+       cli_print(cli, "# Filters");
+       for (i = 0; i < MAXFILTER; i++)
+       {
+               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++));
+       }
+
        cli_print(cli, "# end");
        return CLI_OK;
 }
 
        cli_print(cli, "# end");
        return CLI_OK;
 }
 
-int cmd_show_radius(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)
 {
        int i, free = 0, used = 0, show_all = 0;
        char *states[] = {
 {
        int i, free = 0, used = 0, show_all = 0;
        char *states[] = {
@@ -929,7 +1034,7 @@ int cmd_show_radius(struct cli_def *cli, char *command, char **argv, int argc)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-int cmd_show_plugins(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)
 {
        int i;
 
 {
        int i;
 
@@ -944,7 +1049,7 @@ int cmd_show_plugins(struct cli_def *cli, char *command, char **argv, int argc)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-int cmd_show_throttle(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)
 {
        int i;
 
 {
        int i;
 
@@ -976,7 +1081,7 @@ int cmd_show_throttle(struct cli_def *cli, char *command, char **argv, int argc)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-int cmd_show_banana(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)
 {
        if (CLI_HELP_REQUESTED)
                return CLI_HELP_NO_ARGS;
 {
        if (CLI_HELP_REQUESTED)
                return CLI_HELP_NO_ARGS;
@@ -999,7 +1104,7 @@ int cmd_show_banana(struct cli_def *cli, char *command, char **argv, int argc)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-int cmd_clear_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)
 {
        if (CLI_HELP_REQUESTED)
                return CLI_HELP_NO_ARGS;
 {
        if (CLI_HELP_REQUESTED)
                return CLI_HELP_NO_ARGS;
@@ -1009,7 +1114,7 @@ int cmd_clear_counters(struct cli_def *cli, char *command, char **argv, int argc
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-int cmd_drop_user(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)
 {
        int i;
        sessionidt s;
 {
        int i;
        sessionidt s;
@@ -1020,7 +1125,9 @@ int cmd_drop_user(struct cli_def *cli, char *command, char **argv, int argc)
 
        if (!config->cluster_iam_master)
        {
 
        if (!config->cluster_iam_master)
        {
-               cli_print(cli, "Can't do this on a slave.  Do it on %s", inet_toa(config->cluster_master_address));
+               cli_print(cli, "Can't do this on a slave.  Do it on %s",
+                       fmtaddr(config->cluster_master_address, 0));
+
                return CLI_OK;
        }
 
                return CLI_OK;
        }
 
@@ -1048,7 +1155,7 @@ int cmd_drop_user(struct cli_def *cli, char *command, char **argv, int argc)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-int cmd_drop_tunnel(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)
 {
        int i;
        tunnelidt t;
 {
        int i;
        tunnelidt t;
@@ -1059,7 +1166,9 @@ int cmd_drop_tunnel(struct cli_def *cli, char *command, char **argv, int argc)
 
        if (!config->cluster_iam_master)
        {
 
        if (!config->cluster_iam_master)
        {
-               cli_print(cli, "Can't do this on a slave.  Do it on %s", inet_toa(config->cluster_master_address));
+               cli_print(cli, "Can't do this on a slave.  Do it on %s",
+                       fmtaddr(config->cluster_master_address, 0));
+
                return CLI_OK;
        }
 
                return CLI_OK;
        }
 
@@ -1096,7 +1205,7 @@ int cmd_drop_tunnel(struct cli_def *cli, char *command, char **argv, int argc)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-int cmd_drop_session(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)
 {
        int i;
        sessionidt s;
 {
        int i;
        sessionidt s;
@@ -1107,7 +1216,9 @@ int cmd_drop_session(struct cli_def *cli, char *command, char **argv, int argc)
 
        if (!config->cluster_iam_master)
        {
 
        if (!config->cluster_iam_master)
        {
-               cli_print(cli, "Can't do this on a slave.  Do it on %s", inet_toa(config->cluster_master_address));
+               cli_print(cli, "Can't do this on a slave.  Do it on %s",
+                       fmtaddr(config->cluster_master_address, 0));
+
                return CLI_OK;
        }
 
                return CLI_OK;
        }
 
@@ -1139,7 +1250,7 @@ int cmd_drop_session(struct cli_def *cli, char *command, char **argv, int argc)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc)
+static int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc)
 {
        ipt ip;
        u16 port;
 {
        ipt ip;
        u16 port;
@@ -1172,7 +1283,9 @@ int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc)
 
        if (!config->cluster_iam_master)
        {
 
        if (!config->cluster_iam_master)
        {
-               cli_print(cli, "Can't do this on a slave.  Do it on %s", inet_toa(config->cluster_master_address));
+               cli_print(cli, "Can't do this on a slave.  Do it on %s",
+                       fmtaddr(config->cluster_master_address, 0));
+
                return CLI_OK;
        }
 
                return CLI_OK;
        }
 
@@ -1202,7 +1315,7 @@ int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc)
                return CLI_OK;
        }
 
                return CLI_OK;
        }
 
-       cli_print(cli, "Snooping user %s to %s:%d", argv[0], inet_toa(ip), port);
+       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;
        cli_session_actions[s].snoop_ip = ip;
        cli_session_actions[s].snoop_port = port;
        cli_session_actions[s].action |= CLI_SESS_SNOOP;
@@ -1210,7 +1323,7 @@ int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-int cmd_no_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)
 {
        int i;
        sessionidt s;
 {
        int i;
        sessionidt s;
@@ -1221,7 +1334,9 @@ int cmd_no_snoop(struct cli_def *cli, char *command, char **argv, int argc)
 
        if (!config->cluster_iam_master)
        {
 
        if (!config->cluster_iam_master)
        {
-               cli_print(cli, "Can't do this on a slave.  Do it on %s", inet_toa(config->cluster_master_address));
+               cli_print(cli, "Can't do this on a slave.  Do it on %s",
+                       fmtaddr(config->cluster_master_address, 0));
+
                return CLI_OK;
        }
 
                return CLI_OK;
        }
 
@@ -1246,7 +1361,7 @@ int cmd_no_snoop(struct cli_def *cli, char *command, char **argv, int argc)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc)
+static int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc)
 {
        int rate_in = 0;
        int rate_out = 0;
 {
        int rate_in = 0;
        int rate_out = 0;
@@ -1293,7 +1408,9 @@ int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc)
 
        if (!config->cluster_iam_master)
        {
 
        if (!config->cluster_iam_master)
        {
-               cli_print(cli, "Can't do this on a slave.  Do it on %s", inet_toa(config->cluster_master_address));
+               cli_print(cli, "Can't do this on a slave.  Do it on %s",
+                       fmtaddr(config->cluster_master_address, 0));
+
                return CLI_OK;
        }
 
                return CLI_OK;
        }
 
@@ -1327,11 +1444,10 @@ int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc)
                int i;
                for (i = 1; i < argc - 1; i += 2)
                {
                int i;
                for (i = 1; i < argc - 1; i += 2)
                {
-                       int len = strlen(argv[i]);
                        int r = 0;
                        int r = 0;
-                       if (!strncasecmp(argv[i], "in", len))
+                       if (MATCH("in", argv[i]))
                                r = rate_in = atoi(argv[i+1]);
                                r = rate_in = atoi(argv[i+1]);
-                       else if (!strncasecmp(argv[i], "out", len))
+                       else if (MATCH("out", argv[i]))
                                r = rate_out = atoi(argv[i+1]);
 
                        if (r < 1)
                                r = rate_out = atoi(argv[i+1]);
 
                        if (r < 1)
@@ -1373,7 +1489,7 @@ int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-int cmd_no_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)
 {
        int i;
        sessionidt s;
 {
        int i;
        sessionidt s;
@@ -1384,7 +1500,9 @@ int cmd_no_throttle(struct cli_def *cli, char *command, char **argv, int argc)
 
        if (!config->cluster_iam_master)
        {
 
        if (!config->cluster_iam_master)
        {
-               cli_print(cli, "Can't do this on a slave.  Do it on %s", inet_toa(config->cluster_master_address));
+               cli_print(cli, "Can't do this on a slave.  Do it on %s",
+                       fmtaddr(config->cluster_master_address, 0));
+
                return CLI_OK;
        }
 
                return CLI_OK;
        }
 
@@ -1416,7 +1534,7 @@ int cmd_no_throttle(struct cli_def *cli, char *command, char **argv, int argc)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-int cmd_debug(struct cli_def *cli, char *command, char **argv, int argc)
+static int cmd_debug(struct cli_def *cli, char *command, char **argv, int argc)
 {
        int i;
 
 {
        int i;
 
@@ -1461,13 +1579,13 @@ int cmd_debug(struct cli_def *cli, char *command, char **argv, int argc)
                if (argv[i][0] == 'c' && len < 2)
                        len = 2; /* distinguish [cr]itical from [ca]lls */
 
                if (argv[i][0] == 'c' && len < 2)
                        len = 2; /* distinguish [cr]itical from [ca]lls */
 
-               if (!strncasecmp(argv[i], "critical", len)) { debug_flags.critical = 1; continue; }
-               if (!strncasecmp(argv[i], "error",    len)) { debug_flags.error = 1;    continue; }
-               if (!strncasecmp(argv[i], "warning",  len)) { debug_flags.warning = 1;  continue; }
-               if (!strncasecmp(argv[i], "info",     len)) { debug_flags.info = 1;     continue; }
-               if (!strncasecmp(argv[i], "calls",    len)) { debug_flags.calls = 1;    continue; }
-               if (!strncasecmp(argv[i], "data",     len)) { debug_flags.data = 1;     continue; }
-               if (!strncasecmp(argv[i], "all",      len))
+               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;
                {
                        memset(&debug_flags, 1, sizeof(debug_flags));
                        debug_flags.data = 0;
@@ -1480,7 +1598,7 @@ int cmd_debug(struct cli_def *cli, char *command, char **argv, int argc)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-int cmd_no_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)
 {
        int i;
 
 {
        int i;
 
@@ -1508,13 +1626,13 @@ int cmd_no_debug(struct cli_def *cli, char *command, char **argv, int argc)
                if (argv[i][0] == 'c' && len < 2)
                        len = 2; /* distinguish [cr]itical from [ca]lls */
 
                if (argv[i][0] == 'c' && len < 2)
                        len = 2; /* distinguish [cr]itical from [ca]lls */
 
-               if (!strncasecmp(argv[i], "critical", len)) { debug_flags.critical = 0; continue; }
-               if (!strncasecmp(argv[i], "error",    len)) { debug_flags.error = 0;    continue; }
-               if (!strncasecmp(argv[i], "warning",  len)) { debug_flags.warning = 0;  continue; }
-               if (!strncasecmp(argv[i], "info",     len)) { debug_flags.info = 0;     continue; }
-               if (!strncasecmp(argv[i], "calls",    len)) { debug_flags.calls = 0;    continue; }
-               if (!strncasecmp(argv[i], "data",     len)) { debug_flags.data = 0;     continue; }
-               if (!strncasecmp(argv[i], "all",      len))
+               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;
                {
                        memset(&debug_flags, 0, sizeof(debug_flags));
                        continue;
@@ -1526,7 +1644,7 @@ int cmd_no_debug(struct cli_def *cli, char *command, char **argv, int argc)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-int cmd_load_plugin(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)
 {
        int i, firstfree = 0;
 
 {
        int i, firstfree = 0;
 
@@ -1561,7 +1679,7 @@ int cmd_load_plugin(struct cli_def *cli, char *command, char **argv, int argc)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-int cmd_remove_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)
 {
        int i;
 
 {
        int i;
 
@@ -1589,7 +1707,7 @@ int cmd_remove_plugin(struct cli_def *cli, char *command, char **argv, int argc)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-char *duration(time_t secs)
+static char *duration(time_t secs)
 {
        static char *buf = NULL;
        int p = 0;
 {
        static char *buf = NULL;
        int p = 0;
@@ -1622,7 +1740,7 @@ char *duration(time_t secs)
        return buf;
 }
 
        return buf;
 }
 
-int cmd_uptime(struct cli_def *cli, char *command, char **argv, int argc)
+static int cmd_uptime(struct cli_def *cli, char *command, char **argv, int argc)
 {
        FILE *fh;
        char buf[100], *p = buf, *loads[3];
 {
        FILE *fh;
        char buf[100], *p = buf, *loads[3];
@@ -1658,7 +1776,7 @@ int cmd_uptime(struct cli_def *cli, char *command, char **argv, int argc)
        return CLI_OK;
 }
 
        return CLI_OK;
 }
 
-int cmd_set(struct cli_def *cli, char *command, char **argv, int argc)
+static int cmd_set(struct cli_def *cli, char *command, char **argv, int argc)
 {
        int i;
 
 {
        int i;
 
@@ -1670,7 +1788,7 @@ int cmd_set(struct cli_def *cli, char *command, char **argv, int argc)
                        {
                                int len = strlen(argv[0])-1;
                                for (i = 0; config_values[i].key; i++)
                        {
                                int len = strlen(argv[0])-1;
                                for (i = 0; config_values[i].key; i++)
-                                       if (!len || !strncmp(argv[0], config_values[i].key, len))
+                                       if (!len || !strncmp(config_values[i].key, argv[0], len))
                                                cli_print(cli, "  %s", config_values[i].key);
                        }
 
                                                cli_print(cli, "  %s", config_values[i].key);
                        }
 
@@ -1764,16 +1882,8 @@ int regular_stuff(struct cli_def *cli)
 
                if (show_message)
                {
 
                if (show_message)
                {
-                       ipt address = htonl(ringbuffer->buffer[i].address);
-                       char *ipaddr;
-                       struct in_addr addr;
-
-                       memcpy(&addr, &address, sizeof(ringbuffer->buffer[i].address));
-                       ipaddr = inet_ntoa(addr);
-
-                       cli_print(cli, "\r%s-%s-%u-%u %s",
+                       cli_print(cli, "\r%s-%u-%u %s",
                                        debug_levels[(int)ringbuffer->buffer[i].level],
                                        debug_levels[(int)ringbuffer->buffer[i].level],
-                                       ipaddr,
                                        ringbuffer->buffer[i].tunnel,
                                        ringbuffer->buffer[i].session,
                                        ringbuffer->buffer[i].message);
                                        ringbuffer->buffer[i].tunnel,
                                        ringbuffer->buffer[i].session,
                                        ringbuffer->buffer[i].message);
@@ -1792,6 +1902,1139 @@ int regular_stuff(struct cli_def *cli)
        return CLI_OK;
 }
 
        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_print(cli, "Invalid autonomous system number");
+               return CLI_OK;
+       }
+
+       if (bgp_configured && as != config->as_number)
+       {
+               cli_print(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",
+                               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);
+                       }
+
+                       return CLI_OK;
+               }
+       }
+
+       if (argc < 3)
+       {
+               cli_print(cli, "Invalid arguments");
+               return CLI_OK;
+       }
+
+       if ((i = find_bgp_neighbour(argv[0])) == -2)
+       {
+               cli_print(cli, "Invalid neighbour");
+               return CLI_OK;
+       }
+
+       if (i == -1)
+       {
+               cli_print(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_print(cli, "Invalid autonomous system number");
+                       return CLI_OK;
+               }
+
+               if (!config->neighbour[i].name[0])
+               {
+                       snprintf(config->neighbour[i].name, sizeof(config->neighbour[i].name), argv[0]);
+                       config->neighbour[i].keepalive = -1;
+                       config->neighbour[i].hold = -1;
+               }
+
+               config->neighbour[i].as = as;
+               return CLI_OK;
+       }
+
+       if (argc != 4 || !MATCH("timers", argv[1]))
+       {
+               cli_print(cli, "Invalid arguments");
+               return CLI_OK;
+       }
+
+       if (!config->neighbour[i].name[0])
+       {
+               cli_print(cli, "Specify remote-as first");
+               return CLI_OK;
+       }
+
+       keepalive = atoi(argv[2]);
+       hold = atoi(argv[3]);
+
+       if (keepalive < 1 || keepalive > 65535)
+       {
+               cli_print(cli, "Invalid keepalive time");
+               return CLI_OK;
+       }
+
+       if (hold < 3 || hold > 65535)
+       {
+               cli_print(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_print(cli, "Specify a BGP neighbour");
+               return CLI_OK;
+       }
+
+       if ((i = find_bgp_neighbour(argv[0])) == -2)
+       {
+               cli_print(cli, "Invalid neighbour");
+               return CLI_OK;
+       }
+
+       if (i < 0 || !config->neighbour[i].name[0])
+       {
+               cli_print(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 %7ds %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 find_access_list(char const *name)
+{
+       int i;
+
+       for (i = 0; i < MAXFILTER; i++)
+               if (!(*ip_filters[i].name && strcmp(ip_filters[i].name, name)))
+                       return i;
+
+       return -1;
+}
+
+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_print(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_print(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_print(cli, "Invalid access-list name");
+               return CLI_OK;
+       }
+
+       filt = find_access_list(argv[1]);
+       if (add)
+       {
+               if (filt < 0)
+               {
+                       cli_print(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_print(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_print(cli, "Access-list not defined");
+               return CLI_OK;
+       }
+
+       // racy
+       if (ip_filters[filt].used)
+       {
+               cli_print(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, ipt ip, ipt 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;
+}
+
+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_print(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_print(cli, "Invalid protocol \"%s\"", argv[0]);
+               return NULL;
+       }
+
+       for (a = 1, i = 0; i < 2; i++)
+       {
+               ipt *ip;
+               ipt *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_print(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_print(cli, "Specify host ip address");
+                               return NULL;
+                       }
+
+                       if (!inet_aton(argv[a], &addr))
+                       {
+                               cli_print(cli, "Cannot parse IP \"%s\"", argv[a]);
+                               return NULL;
+                       }
+
+                       *ip = addr.s_addr;
+                       *wild = INADDR_ANY;
+                       a++;
+               }
+               else
+               {
+                       if (a >= argc - 1)
+                       {
+                               cli_print(cli, "Specify %s ip address and wildcard", i ? "destination" : "source");
+                               return NULL;
+                       }
+
+                       if (!inet_aton(argv[a], &addr))
+                       {
+                               cli_print(cli, "Cannot parse IP \"%s\"", argv[a]);
+                               return NULL;
+                       }
+
+                       *ip = addr.s_addr;
+
+                       if (!inet_aton(argv[++a], &addr))
+                       {
+                               cli_print(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_print(cli, "Specify port");
+                       return NULL;
+               }
+
+               if (!(port->port = atoi(argv[a])))
+               {
+                       cli_print(cli, "Invalid port \"%s\"", argv[a]);
+                       return NULL;
+               }
+                       
+               a++;
+               if (port->op != FILTER_PORT_OP_RANGE)
+                       continue;
+
+               if (a >= argc)
+               {
+                       cli_print(cli, "Specify port");
+                       return NULL;
+               }
+
+               if (!(port->port2 = atoi(argv[a])) || port->port2 < port->port)
+               {
+                       cli_print(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_print(cli, "Specify tcp flags");
+                               return NULL;
+                       }
+
+                       while (a < argc && (argv[a][0] == '+' || argv[a][0] == '-'))
+                       {
+                               u8 *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_print(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_print(cli, "Can't specify \"fragments\" on rules with layer 4 matches");
+                       return NULL;
+               }
+
+               rule.frag = 1;
+               a++;
+       }
+
+       if (a < argc)
+       {
+               cli_print(cli, "Invalid flag \"%s\"", argv[a]);
+               return NULL;
+       }
+
+       return &rule;
+}
+
+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_print(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_print(cli, "Specify host ip address");
+                       return NULL;
+               }
+
+               if (!inet_aton(argv[1], &addr))
+               {
+                       cli_print(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_print(cli, "Specify source ip address and wildcard");
+                       return NULL;
+               }
+
+               if (!inet_aton(argv[0], &addr))
+               {
+                       cli_print(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_print(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, sizeof(*rule)))
+                       return CLI_OK;
+       }
+
+       cli_print(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_print(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_print(cli, "Specify a user and filters");
+               return CLI_OK;
+       }
+
+       if (!(s = sessionbyuser(argv[0])))
+       {
+               cli_print(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_print(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_print(cli, "Output already filtered");
+                               return CLI_OK;
+                       }
+                       f = &cli_session_actions[s].filter_out;
+               }
+               else
+               {
+                       cli_print(cli, "Invalid filter specification");
+                       return CLI_OK;
+               }
+
+               v = find_access_list(argv[i+1]);
+               if (v < 0 || !*ip_filters[v].name)
+               {
+                       cli_print(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_print(cli, "Can't do this on a slave.  Do it on %s",
+                       fmtaddr(config->cluster_master_address, 0));
+
+               return CLI_OK;
+       }
+
+       if (!argc)
+       {
+               cli_print(cli, "Specify a user to remove filters from");
+               return CLI_OK;
+       }
+
+       for (i = 0; i < argc; i++)
+       {
+               if (!(s = sessionbyuser(argv[i])))
+               {
+                       cli_print(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_print(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_print(cli, "Specify a filter name");
+               return CLI_OK;
+       }
+
+       for (i = 0; i < argc; i++)
+       {
+               int f = find_access_list(argv[i]);
+               ip_filter_rulet *rules;
+
+               if (f < 0 || !*ip_filters[f].name)
+               {
+                       cli_print(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 (%d match%s)", r,
+                                       rules->counter, rules->counter > 1 ? "es" : "");
+                       else
+                               cli_print(cli, "%s", r);
+               }
+       }
+
+       return CLI_OK;
+}
+
 // Convert a string in the form of abcd.ef12.3456 into char[6]
 void parsemac(char *string, char mac[6])
 {
 // Convert a string in the form of abcd.ef12.3456 into char[6]
 void parsemac(char *string, char mac[6])
 {