clear cluster_master on election so that slaves will accept a new master
[l2tpns.git] / cli.c
diff --git a/cli.c b/cli.c
index 32fdd0d..afcea01 100644 (file)
--- a/cli.c
+++ b/cli.c
@@ -2,7 +2,7 @@
 // vim: sw=8 ts=8
 
 char const *cvs_name = "$Name:  $";
-char const *cvs_id_cli = "$Id: cli.c,v 1.42 2004/12/16 23:40:30 bodea Exp $";
+char const *cvs_id_cli = "$Id: cli.c,v 1.62 2005/06/07 05:31:43 bodea Exp $";
 
 #include <stdio.h>
 #include <stdarg.h>
@@ -49,15 +49,6 @@ extern struct cli_tunnel_actions *cli_tunnel_actions;
 extern tbft *filter_list;
 extern ip_filtert *ip_filters;
 
-static char *debug_levels[] = {
-       "CRIT",
-       "ERROR",
-       "WARN",
-       "INFO",
-       "CALL",
-       "DATA",
-};
-
 struct
 {
        char critical;
@@ -68,15 +59,24 @@ struct
        char data;
 } debug_flags;
 
-static int debug_session;
-static int debug_tunnel;
+#ifdef RINGBUFFER
+
 static int debug_rb_tail;
+static char *debug_levels[] = {
+       "CRIT",
+       "ERROR",
+       "WARN",
+       "INFO",
+       "CALL",
+       "DATA",
+};
+
+#endif
 
 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);
@@ -84,7 +84,6 @@ static int cmd_show_banana(struct cli_def *cli, char *command, char **argv, int
 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);
@@ -98,9 +97,15 @@ 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 STATISTICS
+static int cmd_show_counters(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_clear_counters(struct cli_def *cli, char *command, char **argv, int argc);
+#endif /* STATISTICS */
+
 #ifdef BGP
 #define MODE_CONFIG_BGP 8
 static int cmd_router_bgp(struct cli_def *cli, char *command, char **argv, int argc);
@@ -148,7 +153,7 @@ void init_cli(char *hostname)
        cli_register_command(cli, c, "plugins", cmd_show_plugins, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "List all installed plugins");
        cli_register_command(cli, c, "pool", cmd_show_pool, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show the IP address allocation pool");
        cli_register_command(cli, c, "radius", cmd_show_radius, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show active radius queries");
-       cli_register_command(cli, c, "running-config", cmd_show_run, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show the currently running configuration");
+       cli_register_command(cli, c, "running-config", cmd_show_run, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Show the currently running configuration");
        cli_register_command(cli, c, "session", cmd_show_session, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show a list of sessions or details for a single session");
        cli_register_command(cli, c, "tbf", cmd_show_tbf, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "List all token bucket filters in use");
        cli_register_command(cli, c, "throttle", cmd_show_throttle, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "List all throttled sessions and associated TBFs");
@@ -289,8 +294,9 @@ void cli_do(int sockfd)
        if (fork_and_close()) return;
        if (getpeername(sockfd, (struct sockaddr *)&addr, &l) == 0)
        {
-               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");
+               LOG(require_auth ? 3 : 4, 0, 0, "Accepted connection to CLI from %s\n",
+                       fmtaddr(addr.sin_addr.s_addr, 0));
        }
        else
                LOG(0, 0, 0, "getpeername() failed on cli socket.  Requiring authentication: %s\n", strerror(errno));
@@ -310,8 +316,6 @@ void cli_do(int sockfd)
                cli->users = 0;
        }
 
-       debug_session = 0;
-       debug_tunnel = 0;
 #ifdef RINGBUFFER
        debug_rb_tail = ringbuffer->tail;
 #endif
@@ -321,7 +325,9 @@ void cli_do(int sockfd)
        cli_loop(cli, sockfd);
 
        close(sockfd);
-       LOG(3, 0, 0, "Closed CLI connection from %s\n", fmtaddr(addr.sin_addr.s_addr, 0));
+       LOG(require_auth ? 3 : 4, 0, 0, "Closed CLI connection from %s\n",
+               fmtaddr(addr.sin_addr.s_addr, 0));
+
        exit(0);
 }
 
@@ -360,16 +366,16 @@ int cli_arg_help(struct cli_def *cli, int cr_ok, char *entry, ...)
 
                desc = va_arg(ap, char *);
                if (desc && *desc)
-                       cli_print(cli, "  %-20s %s", p, desc);
+                       cli_error(cli, "  %-20s %s", p, desc);
                else
-                       cli_print(cli, "  %s", p);
+                       cli_error(cli, "  %s", p);
 
                entry = desc ? va_arg(ap, char *) : 0;
        }
 
        va_end(ap);
        if (cr_ok)
-               cli_print(cli, "  <cr>");
+               cli_error(cli, "  <cr>");
 
        return CLI_OK;
 }
@@ -402,14 +408,14 @@ static int cmd_show_session(struct cli_def *cli, char *command, char **argv, int
                        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", 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, "\tUnique SID:\t%u", session[s].unique_id);
+                       cli_print(cli, "\tOpened:\t\t%u seconds", session[s].opened ? abs(time_now - session[s].opened) : 0);
+                       cli_print(cli, "\tIdle time:\t%u seconds", session[s].last_packet ? abs(time_now - session[s].last_packet) : 0);
                        cli_print(cli, "\tNext Recv:\t%u", session[s].nr);
                        cli_print(cli, "\tNext Send:\t%u", session[s].ns);
-                       cli_print(cli, "\tBytes In/Out:\t%u/%u", session[s].total_cout, session[s].total_cin);
+                       cli_print(cli, "\tBytes In/Out:\t%u/%u", session[s].cout, session[s].cin);
                        cli_print(cli, "\tPkts In/Out:\t%u/%u", session[s].pout, session[s].pin);
                        cli_print(cli, "\tMRU:\t\t%d", session[s].mru);
-                       cli_print(cli, "\tRadius Session:\t%u", session[s].radius);
                        cli_print(cli, "\tRx Speed:\t%u", session[s].rx_connect_speed);
                        cli_print(cli, "\tTx Speed:\t%u", session[s].tx_connect_speed);
                        if (session[s].filter_in && session[s].filter_in <= MAXFILTER)
@@ -474,7 +480,7 @@ static int cmd_show_session(struct cli_def *cli, char *command, char **argv, int
        }
 
        // Show Summary
-       cli_print(cli, "%5s %4s %-32s %-15s %s %s %s %10s %10s %10s %4s %-15s %s",
+       cli_print(cli, "%5s %4s %-32s %-15s %s %s %s %s %10s %10s %10s %4s %-15s %s",
                        "SID",
                        "TID",
                        "Username",
@@ -482,6 +488,7 @@ static int cmd_show_session(struct cli_def *cli, char *command, char **argv, int
                        "I",
                        "T",
                        "G",
+                       "6",
                        "opened",
                        "downloaded",
                        "uploaded",
@@ -492,7 +499,7 @@ static int cmd_show_session(struct cli_def *cli, char *command, char **argv, int
        for (i = 1; i < MAXSESSION; i++)
        {
                if (!session[i].opened) continue;
-               cli_print(cli, "%5d %4d %-32s %-15s %s %s %s %10u %10lu %10lu %4u %-15s %s",
+               cli_print(cli, "%5d %4d %-32s %-15s %s %s %s %s %10u %10lu %10lu %4u %-15s %s",
                                i,
                                session[i].tunnel,
                                session[i].user[0] ? session[i].user : "*",
@@ -500,9 +507,10 @@ static int cmd_show_session(struct cli_def *cli, char *command, char **argv, int
                                (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].flags & SF_IPV6CP_ACKED) ? "Y" : "N",
                                abs(time_now - (unsigned long)session[i].opened),
-                               (unsigned long)session[i].total_cout,
-                               (unsigned long)session[i].total_cin,
+                               (unsigned long)session[i].cout,
+                               (unsigned long)session[i].cin,
                                abs(time_now - (session[i].last_packet ? session[i].last_packet : time_now)),
                                fmtaddr(htonl(tunnel[ session[i].tunnel ].ip), 1),
                                session[i].calling[0] ? session[i].calling : "*");
@@ -640,28 +648,30 @@ static int cmd_show_users(struct cli_def *cli, char *command, char **argv, int a
        return CLI_OK;
 }
 
+#ifdef STATISTICS
 static int cmd_show_counters(struct cli_def *cli, char *command, char **argv, int argc)
 {
        if (CLI_HELP_REQUESTED)
                return CLI_HELP_NO_ARGS;
 
-       cli_print(cli, "%-10s %-8s %-10s %-8s", "Ethernet", "Bytes", "Packets", "Errors");
-       cli_print(cli, "%-10s %8u %8u %8u", "RX",
+       cli_print(cli, "%-10s %10s %10s %10s %10s", "Ethernet", "Bytes", "Packets", "Errors", "Dropped");
+       cli_print(cli, "%-10s %10u %10u %10u %10u", "RX",
                        GET_STAT(tun_rx_bytes),
                        GET_STAT(tun_rx_packets),
-                       GET_STAT(tun_rx_errors));
-       cli_print(cli, "%-10s %8u %8u %8u", "TX",
+                       GET_STAT(tun_rx_errors),
+                       GET_STAT(tun_rx_dropped));
+       cli_print(cli, "%-10s %10u %10u %10u", "TX",
                        GET_STAT(tun_tx_bytes),
                        GET_STAT(tun_tx_packets),
                        GET_STAT(tun_tx_errors));
        cli_print(cli, "");
 
-       cli_print(cli, "%-10s %-8s %-10s %-8s %-8s", "Tunnel", "Bytes", "Packets", "Errors", "Retries");
-       cli_print(cli, "%-10s %8u %8u %8u", "RX",
+       cli_print(cli, "%-10s %10s %10s %10s %10s", "Tunnel", "Bytes", "Packets", "Errors", "Retries");
+       cli_print(cli, "%-10s %10u %10u %10u", "RX",
                        GET_STAT(tunnel_rx_bytes),
                        GET_STAT(tunnel_rx_packets),
                        GET_STAT(tunnel_rx_errors));
-       cli_print(cli, "%-10s %8u %8u %8u %8u", "TX",
+       cli_print(cli, "%-10s %10u %10u %10u %10u", "TX",
                        GET_STAT(tunnel_tx_bytes),
                        GET_STAT(tunnel_tx_packets),
                        GET_STAT(tunnel_tx_errors),
@@ -686,27 +696,31 @@ static int cmd_show_counters(struct cli_def *cli, char *command, char **argv, in
        cli_print(cli, "%-30s%u", "cluster_forwarded",          GET_STAT(c_forwarded));
        cli_print(cli, "%-30s%u", "recv_forward",               GET_STAT(recv_forward));
        cli_print(cli, "%-30s%u", "select_called",              GET_STAT(select_called));
-       cli_print(cli, "%-30s%u", "select_ready",               GET_STAT(select_ready));
-       cli_print(cli, "%-30s%u", "select_processed",           GET_STAT(select_processed));
+       cli_print(cli, "%-30s%u", "multi_read_used",            GET_STAT(multi_read_used));
+       cli_print(cli, "%-30s%u", "multi_read_exceeded",        GET_STAT(multi_read_exceeded));
 
 
-#ifdef STATISTICS
+#ifdef STAT_CALLS
        cli_print(cli, "\n%-30s%-10s", "Counter", "Value");
        cli_print(cli, "-----------------------------------------");
        cli_print(cli, "%-30s%u", "call_processtun",            GET_STAT(call_processtun));
        cli_print(cli, "%-30s%u", "call_processipout",          GET_STAT(call_processipout));
+       cli_print(cli, "%-30s%u", "call_processipv6out",        GET_STAT(call_processipv6out));
        cli_print(cli, "%-30s%u", "call_processudp",            GET_STAT(call_processudp));
        cli_print(cli, "%-30s%u", "call_processpap",            GET_STAT(call_processpap));
        cli_print(cli, "%-30s%u", "call_processchap",           GET_STAT(call_processchap));
        cli_print(cli, "%-30s%u", "call_processlcp",            GET_STAT(call_processlcp));
        cli_print(cli, "%-30s%u", "call_processipcp",           GET_STAT(call_processipcp));
+       cli_print(cli, "%-30s%u", "call_processipv6cp",         GET_STAT(call_processipv6cp));
        cli_print(cli, "%-30s%u", "call_processipin",           GET_STAT(call_processipin));
+       cli_print(cli, "%-30s%u", "call_processipv6in",         GET_STAT(call_processipv6in));
        cli_print(cli, "%-30s%u", "call_processccp",            GET_STAT(call_processccp));
        cli_print(cli, "%-30s%u", "call_processrad",            GET_STAT(call_processrad));
        cli_print(cli, "%-30s%u", "call_sendarp",               GET_STAT(call_sendarp));
        cli_print(cli, "%-30s%u", "call_sendipcp",              GET_STAT(call_sendipcp));
        cli_print(cli, "%-30s%u", "call_sendchap",              GET_STAT(call_sendchap));
        cli_print(cli, "%-30s%u", "call_sessionbyip",           GET_STAT(call_sessionbyip));
+       cli_print(cli, "%-30s%u", "call_sessionbyipv6",         GET_STAT(call_sessionbyipv6));
        cli_print(cli, "%-30s%u", "call_sessionbyuser",         GET_STAT(call_sessionbyuser));
        cli_print(cli, "%-30s%u", "call_tunnelsend",            GET_STAT(call_tunnelsend));
        cli_print(cli, "%-30s%u", "call_tunnelkill",            GET_STAT(call_tunnelkill));
@@ -719,9 +733,34 @@ static int cmd_show_counters(struct cli_def *cli, char *command, char **argv, in
        cli_print(cli, "%-30s%u", "call_dump_acct_info",        GET_STAT(call_dump_acct_info));
        cli_print(cli, "%-30s%u", "call_radiussend",            GET_STAT(call_radiussend));
        cli_print(cli, "%-30s%u", "call_radiusretry",           GET_STAT(call_radiusretry));
-#endif
+       cli_print(cli, "%-30s%u", "call_random_data",           GET_STAT(call_random_data));
+#endif /* STAT_CALLS */
+
+       {
+               time_t l = GET_STAT(last_reset);
+               char *t = ctime(&l);
+               char *p = strchr(t, '\n');
+               if (p) *p = 0;
+
+               cli_print(cli, "");
+               cli_print(cli, "Last counter reset %s", t);
+       }
+
+       return CLI_OK;
+}
+
+static int cmd_clear_counters(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       if (CLI_HELP_REQUESTED)
+               return CLI_HELP_NO_ARGS;
+
+       memset(_statistics, 0, sizeof(struct Tstats));
+       SET_STAT(last_reset, time(NULL));
+
+       cli_print(cli, "Counters cleared");
        return CLI_OK;
 }
+#endif /* STATISTICS */
 
 static int cmd_show_version(struct cli_def *cli, char *command, char **argv, int argc)
 {
@@ -879,7 +918,7 @@ static int cmd_write_memory(struct cli_def *cli, char *command, char **argv, int
        }
        else
        {
-               cli_print(cli, "Error writing configuration: %s", strerror(errno));
+               cli_error(cli, "Error writing configuration: %s", strerror(errno));
        }
        return CLI_OK;
 }
@@ -889,6 +928,7 @@ 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;
+       char ipv6addr[INET6_ADDRSTRLEN];
 
        if (CLI_HELP_REQUESTED)
                return CLI_HELP_NO_ARGS;
@@ -899,25 +939,27 @@ static int cmd_show_run(struct cli_def *cli, char *command, char **argv, int arg
        {
                void *value = ((void *)config) + config_values[i].offset;
                if (config_values[i].type == STRING)
-                       cli_print(cli, "set %s \"%.*s\"", config_values[i].key, config_values[i].size, (char *)value);
-               else if (config_values[i].type == IP)
-                       cli_print(cli, "set %s %s", config_values[i].key, fmtaddr(*(unsigned *)value, 0));
+                       cli_print(cli, "set %s \"%.*s\"", config_values[i].key, config_values[i].size, (char *) value);
+               else if (config_values[i].type == IPv4)
+                       cli_print(cli, "set %s %s", config_values[i].key, fmtaddr(*(in_addr_t *) value, 0));
+               else if (config_values[i].type == IPv6)
+                       cli_print(cli, "set %s %s", config_values[i].key, inet_ntop(AF_INET6, value, ipv6addr, INET6_ADDRSTRLEN));
                else if (config_values[i].type == SHORT)
-                       cli_print(cli, "set %s %hu", config_values[i].key, *(short *)value);
+                       cli_print(cli, "set %s %hu", config_values[i].key, *(short *) value);
                else if (config_values[i].type == BOOL)
-                       cli_print(cli, "set %s %s", config_values[i].key, (*(int *)value) ? "yes" : "no");
+                       cli_print(cli, "set %s %s", config_values[i].key, (*(int *) value) ? "yes" : "no");
                else if (config_values[i].type == INT)
-                       cli_print(cli, "set %s %d", config_values[i].key, *(int *)value);
+                       cli_print(cli, "set %s %d", config_values[i].key, *(int *) value);
                else if (config_values[i].type == UNSIGNED_LONG)
-                       cli_print(cli, "set %s %lu", config_values[i].key, *(unsigned long *)value);
+                       cli_print(cli, "set %s %lu", config_values[i].key, *(unsigned long *) value);
                else if (config_values[i].type == MAC)
                        cli_print(cli, "set %s %02x%02x.%02x%02x.%02x%02x", config_values[i].key,
-                                       *(unsigned short *)(value + 0),
-                                       *(unsigned short *)(value + 1),
-                                       *(unsigned short *)(value + 2),
-                                       *(unsigned short *)(value + 3),
-                                       *(unsigned short *)(value + 4),
-                                       *(unsigned short *)(value + 5));
+                                       *(unsigned short *) (value + 0),
+                                       *(unsigned short *) (value + 1),
+                                       *(unsigned short *) (value + 2),
+                                       *(unsigned short *) (value + 3),
+                                       *(unsigned short *) (value + 4),
+                                       *(unsigned short *) (value + 5));
        }
 
        cli_print(cli, "# Plugins");
@@ -993,6 +1035,7 @@ static int cmd_show_radius(struct cli_def *cli, char *command, char **argv, int
                "IPCP",
                "START",
                "STOP",
+               "INTRM",
                "WAIT",
        };
 
@@ -1107,16 +1150,6 @@ static int cmd_show_banana(struct cli_def *cli, char *command, char **argv, int
        return CLI_OK;
 }
 
-static int cmd_clear_counters(struct cli_def *cli, char *command, char **argv, int argc)
-{
-       if (CLI_HELP_REQUESTED)
-               return CLI_HELP_NO_ARGS;
-
-       cli_print(cli, "Counters cleared");
-       SET_STAT(last_reset, time(NULL));
-       return CLI_OK;
-}
-
 static int cmd_drop_user(struct cli_def *cli, char *command, char **argv, int argc)
 {
        int i;
@@ -1128,7 +1161,7 @@ static int cmd_drop_user(struct cli_def *cli, char *command, char **argv, int ar
 
        if (!config->cluster_iam_master)
        {
-               cli_print(cli, "Can't do this on a slave.  Do it on %s",
+               cli_error(cli, "Can't do this on a slave.  Do it on %s",
                        fmtaddr(config->cluster_master_address, 0));
 
                return CLI_OK;
@@ -1136,7 +1169,7 @@ static int cmd_drop_user(struct cli_def *cli, char *command, char **argv, int ar
 
        if (!argc)
        {
-               cli_print(cli, "Specify a user to drop");
+               cli_error(cli, "Specify a user to drop");
                return CLI_OK;
        }
 
@@ -1144,7 +1177,7 @@ static int cmd_drop_user(struct cli_def *cli, char *command, char **argv, int ar
        {
                if (!(s = sessionbyuser(argv[i])))
                {
-                       cli_print(cli, "User %s is not connected", argv[i]);
+                       cli_error(cli, "User %s is not connected", argv[i]);
                        continue;
                }
 
@@ -1169,7 +1202,7 @@ static int cmd_drop_tunnel(struct cli_def *cli, char *command, char **argv, int
 
        if (!config->cluster_iam_master)
        {
-               cli_print(cli, "Can't do this on a slave.  Do it on %s",
+               cli_error(cli, "Can't do this on a slave.  Do it on %s",
                        fmtaddr(config->cluster_master_address, 0));
 
                return CLI_OK;
@@ -1177,7 +1210,7 @@ static int cmd_drop_tunnel(struct cli_def *cli, char *command, char **argv, int
 
        if (!argc)
        {
-               cli_print(cli, "Specify a tunnel to drop");
+               cli_error(cli, "Specify a tunnel to drop");
                return CLI_OK;
        }
 
@@ -1185,19 +1218,19 @@ static int cmd_drop_tunnel(struct cli_def *cli, char *command, char **argv, int
        {
                if ((t = atol(argv[i])) <= 0 || (t >= MAXTUNNEL))
                {
-                       cli_print(cli, "Invalid tunnel ID (1-%d)", MAXTUNNEL-1);
+                       cli_error(cli, "Invalid tunnel ID (1-%d)", MAXTUNNEL-1);
                        continue;
                }
 
                if (!tunnel[t].ip)
                {
-                       cli_print(cli, "Tunnel %d is not connected", t);
+                       cli_error(cli, "Tunnel %d is not connected", t);
                        continue;
                }
 
                if (tunnel[t].die)
                {
-                       cli_print(cli, "Tunnel %d is already being shut down", t);
+                       cli_error(cli, "Tunnel %d is already being shut down", t);
                        continue;
                }
 
@@ -1219,7 +1252,7 @@ static int cmd_drop_session(struct cli_def *cli, char *command, char **argv, int
 
        if (!config->cluster_iam_master)
        {
-               cli_print(cli, "Can't do this on a slave.  Do it on %s",
+               cli_error(cli, "Can't do this on a slave.  Do it on %s",
                        fmtaddr(config->cluster_master_address, 0));
 
                return CLI_OK;
@@ -1227,7 +1260,7 @@ static int cmd_drop_session(struct cli_def *cli, char *command, char **argv, int
 
        if (!argc)
        {
-               cli_print(cli, "Specify a session id to drop");
+               cli_error(cli, "Specify a session id to drop");
                return CLI_OK;
        }
 
@@ -1235,7 +1268,7 @@ static int cmd_drop_session(struct cli_def *cli, char *command, char **argv, int
        {
                if ((s = atol(argv[i])) <= 0 || (s > MAXSESSION))
                {
-                       cli_print(cli, "Invalid session ID (1-%d)", MAXSESSION-1);
+                       cli_error(cli, "Invalid session ID (1-%d)", MAXSESSION-1);
                        continue;
                }
 
@@ -1246,7 +1279,7 @@ static int cmd_drop_session(struct cli_def *cli, char *command, char **argv, int
                }
                else
                {
-                       cli_print(cli, "Session %d is not active.", s);
+                       cli_error(cli, "Session %d is not active.", s);
                }
        }
 
@@ -1286,7 +1319,7 @@ static int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc)
 
        if (!config->cluster_iam_master)
        {
-               cli_print(cli, "Can't do this on a slave.  Do it on %s",
+               cli_error(cli, "Can't do this on a slave.  Do it on %s",
                        fmtaddr(config->cluster_master_address, 0));
 
                return CLI_OK;
@@ -1294,27 +1327,27 @@ static int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc)
 
        if (argc < 3)
        {
-               cli_print(cli, "Specify username, ip and port");
+               cli_error(cli, "Specify username, ip and port");
                return CLI_OK;
        }
 
        if (!(s = sessionbyuser(argv[0])))
        {
-               cli_print(cli, "User %s is not connected", argv[0]);
+               cli_error(cli, "User %s is not connected", argv[0]);
                return CLI_OK;
        }
 
        ip = inet_addr(argv[1]);
        if (!ip || ip == INADDR_NONE)
        {
-               cli_print(cli, "Cannot parse IP \"%s\"", argv[1]);
+               cli_error(cli, "Cannot parse IP \"%s\"", argv[1]);
                return CLI_OK;
        }
 
        port = atoi(argv[2]);
        if (!port)
        {
-               cli_print(cli, "Invalid port %s", argv[2]);
+               cli_error(cli, "Invalid port %s", argv[2]);
                return CLI_OK;
        }
 
@@ -1337,7 +1370,7 @@ static int cmd_no_snoop(struct cli_def *cli, char *command, char **argv, int arg
 
        if (!config->cluster_iam_master)
        {
-               cli_print(cli, "Can't do this on a slave.  Do it on %s",
+               cli_error(cli, "Can't do this on a slave.  Do it on %s",
                        fmtaddr(config->cluster_master_address, 0));
 
                return CLI_OK;
@@ -1345,7 +1378,7 @@ static int cmd_no_snoop(struct cli_def *cli, char *command, char **argv, int arg
 
        if (!argc)
        {
-               cli_print(cli, "Specify a user to unsnoop");
+               cli_error(cli, "Specify a user to unsnoop");
                return CLI_OK;
        }
 
@@ -1353,7 +1386,7 @@ static int cmd_no_snoop(struct cli_def *cli, char *command, char **argv, int arg
        {
                if (!(s = sessionbyuser(argv[i])))
                {
-                       cli_print(cli, "User %s is not connected", argv[i]);
+                       cli_error(cli, "User %s is not connected", argv[i]);
                        continue;
                }
 
@@ -1411,7 +1444,7 @@ static int cmd_throttle(struct cli_def *cli, char *command, char **argv, int arg
 
        if (!config->cluster_iam_master)
        {
-               cli_print(cli, "Can't do this on a slave.  Do it on %s",
+               cli_error(cli, "Can't do this on a slave.  Do it on %s",
                        fmtaddr(config->cluster_master_address, 0));
 
                return CLI_OK;
@@ -1419,13 +1452,13 @@ static int cmd_throttle(struct cli_def *cli, char *command, char **argv, int arg
 
        if (argc == 0)
        {
-               cli_print(cli, "Specify a user to throttle");
+               cli_error(cli, "Specify a user to throttle");
                return CLI_OK;
        }
 
        if (!(s = sessionbyuser(argv[0])))
        {
-               cli_print(cli, "User %s is not connected", argv[0]);
+               cli_error(cli, "User %s is not connected", argv[0]);
                return CLI_OK;
        }
 
@@ -1438,7 +1471,7 @@ static int cmd_throttle(struct cli_def *cli, char *command, char **argv, int arg
                rate_in = rate_out = atoi(argv[1]);
                if (rate_in < 1)
                {
-                       cli_print(cli, "Invalid rate \"%s\"", argv[1]);
+                       cli_error(cli, "Invalid rate \"%s\"", argv[1]);
                        return CLI_OK;
                }
        }
@@ -1455,20 +1488,20 @@ static int cmd_throttle(struct cli_def *cli, char *command, char **argv, int arg
 
                        if (r < 1)
                        {
-                               cli_print(cli, "Invalid rate specification \"%s %s\"", argv[i], argv[i+1]);
+                               cli_error(cli, "Invalid rate specification \"%s %s\"", argv[i], argv[i+1]);
                                return CLI_OK;
                        }
                }
        }
        else
        {
-               cli_print(cli, "Invalid arguments");
+               cli_error(cli, "Invalid arguments");
                return CLI_OK;
        }
 
        if ((rate_in && session[s].throttle_in) || (rate_out && session[s].throttle_out))
        {
-               cli_print(cli, "User %s already throttled, unthrottle first", argv[0]);
+               cli_error(cli, "User %s already throttled, unthrottle first", argv[0]);
                return CLI_OK;
        }
 
@@ -1482,7 +1515,7 @@ static int cmd_throttle(struct cli_def *cli, char *command, char **argv, int arg
        if (cli_session_actions[s].throttle_in == -1 &&
            cli_session_actions[s].throttle_out == -1)
        {
-               cli_print(cli, "User %s already throttled at this rate", argv[0]);
+               cli_error(cli, "User %s already throttled at this rate", argv[0]);
                return CLI_OK;
        }
 
@@ -1503,7 +1536,7 @@ static int cmd_no_throttle(struct cli_def *cli, char *command, char **argv, int
 
        if (!config->cluster_iam_master)
        {
-               cli_print(cli, "Can't do this on a slave.  Do it on %s",
+               cli_error(cli, "Can't do this on a slave.  Do it on %s",
                        fmtaddr(config->cluster_master_address, 0));
 
                return CLI_OK;
@@ -1511,7 +1544,7 @@ static int cmd_no_throttle(struct cli_def *cli, char *command, char **argv, int
 
        if (!argc)
        {
-               cli_print(cli, "Specify a user to unthrottle");
+               cli_error(cli, "Specify a user to unthrottle");
                return CLI_OK;
        }
 
@@ -1519,7 +1552,7 @@ static int cmd_no_throttle(struct cli_def *cli, char *command, char **argv, int
        {
                if (!(s = sessionbyuser(argv[i])))
                {
-                       cli_print(cli, "User %s is not connected", argv[i]);
+                       cli_error(cli, "User %s is not connected", argv[i]);
                        continue;
                }
 
@@ -1530,7 +1563,7 @@ static int cmd_no_throttle(struct cli_def *cli, char *command, char **argv, int
                }
                else
                {
-                       cli_print(cli, "User %s not throttled", argv[i]);
+                       cli_error(cli, "User %s not throttled", argv[i]);
                }
        }
 
@@ -1595,7 +1628,7 @@ static int cmd_debug(struct cli_def *cli, char *command, char **argv, int argc)
                        continue;
                }
 
-               cli_print(cli, "Invalid debugging flag \"%s\"", argv[i]);
+               cli_error(cli, "Invalid debugging flag \"%s\"", argv[i]);
        }
 
        return CLI_OK;
@@ -1641,7 +1674,7 @@ static int cmd_no_debug(struct cli_def *cli, char *command, char **argv, int arg
                        continue;
                }
 
-               cli_print(cli, "Invalid debugging flag \"%s\"", argv[i]);
+               cli_error(cli, "Invalid debugging flag \"%s\"", argv[i]);
        }
 
        return CLI_OK;
@@ -1657,7 +1690,7 @@ static int cmd_load_plugin(struct cli_def *cli, char *command, char **argv, int
 
        if (argc != 1)
        {
-               cli_print(cli, "Specify a plugin to load");
+               cli_error(cli, "Specify a plugin to load");
                return CLI_OK;
        }
 
@@ -1667,7 +1700,7 @@ static int cmd_load_plugin(struct cli_def *cli, char *command, char **argv, int
                        firstfree = i;
                if (strcmp(config->plugins[i], argv[0]) == 0)
                {
-                       cli_print(cli, "Plugin is already loaded");
+                       cli_error(cli, "Plugin is already loaded");
                        return CLI_OK;
                }
        }
@@ -1692,7 +1725,7 @@ static int cmd_remove_plugin(struct cli_def *cli, char *command, char **argv, in
 
        if (argc != 1)
        {
-               cli_print(cli, "Specify a plugin to remove");
+               cli_error(cli, "Specify a plugin to remove");
                return CLI_OK;
        }
 
@@ -1706,7 +1739,7 @@ static int cmd_remove_plugin(struct cli_def *cli, char *command, char **argv, in
                }
        }
 
-       cli_print(cli, "Plugin is not loaded");
+       cli_error(cli, "Plugin is not loaded");
        return CLI_OK;
 }
 
@@ -1792,7 +1825,7 @@ static 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++)
                                        if (!len || !strncmp(config_values[i].key, argv[0], len))
-                                               cli_print(cli, "  %s", config_values[i].key);
+                                               cli_error(cli, "  %s", config_values[i].key);
                        }
 
                        return CLI_OK;
@@ -1812,13 +1845,13 @@ static int cmd_set(struct cli_def *cli, char *command, char **argv, int argc)
 
        if (argc != 2)
        {
-               cli_print(cli, "Specify variable and value");
+               cli_error(cli, "Specify variable and value");
                return CLI_OK;
        }
 
        for (i = 0; config_values[i].key; i++)
        {
-               void *value = ((void *)config) + config_values[i].offset;
+               void *value = ((void *) config) + config_values[i].offset;
                if (strcmp(config_values[i].key, argv[0]) == 0)
                {
                        // Found a value to set
@@ -1826,31 +1859,34 @@ static int cmd_set(struct cli_def *cli, char *command, char **argv, int argc)
                        switch (config_values[i].type)
                        {
                        case STRING:
-                               strncpy((char *)value, argv[1], config_values[i].size - 1);
+                               snprintf((char *) value, config_values[i].size, "%s", argv[1]);
                                break;
                        case INT:
-                               *(int *)value = atoi(argv[1]);
+                               *(int *) value = atoi(argv[1]);
                                break;
                        case UNSIGNED_LONG:
-                               *(unsigned long *)value = atol(argv[1]);
+                               *(unsigned long *) value = atol(argv[1]);
                                break;
                        case SHORT:
-                               *(short *)value = atoi(argv[1]);
+                               *(short *) value = atoi(argv[1]);
+                               break;
+                       case IPv4:
+                               *(in_addr_t *) value = inet_addr(argv[1]);
                                break;
-                       case IP:
-                               *(unsigned *)value = inet_addr(argv[1]);
+                       case IPv6:
+                               inet_pton(AF_INET6, argv[1], value);
                                break;
                        case MAC:
                                parsemac(argv[1], (char *)value);
                                break;
                        case BOOL:
                                if (strcasecmp(argv[1], "yes") == 0 || strcasecmp(argv[1], "true") == 0 || strcasecmp(argv[1], "1") == 0)
-                                       *(int *)value = 1;
+                                       *(int *) value = 1;
                                else
-                                       *(int *)value = 0;
+                                       *(int *) value = 0;
                                break;
                        default:
-                               cli_print(cli, "Unknown variable type");
+                               cli_error(cli, "Unknown variable type");
                                break;
                        }
                        config->reload_config = 1;
@@ -1858,16 +1894,16 @@ static int cmd_set(struct cli_def *cli, char *command, char **argv, int argc)
                }
        }
 
-       cli_print(cli, "Unknown variable \"%s\"", argv[0]);
+       cli_error(cli, "Unknown variable \"%s\"", argv[0]);
        return CLI_OK;
 }
 
 int regular_stuff(struct cli_def *cli)
 {
+#ifdef RINGBUFFER
        int out = 0;
        int i;
 
-#ifdef RINGBUFFER
        for (i = debug_rb_tail; i != ringbuffer->tail; i = (i + 1) % RINGBUFFER_SIZE)
        {
                char *m = ringbuffer->buffer[i].message;
@@ -1891,7 +1927,7 @@ int regular_stuff(struct cli_def *cli)
                if (!(p = strchr(m, '\n')))
                        p = m + strlen(p);
 
-               cli_print(cli, "\r%s-%u-%u %.*s",
+               cli_error(cli, "\r%s-%u-%u %.*s",
                        debug_levels[(int)ringbuffer->buffer[i].level],
                        ringbuffer->buffer[i].tunnel,
                        ringbuffer->buffer[i].session,
@@ -1918,13 +1954,13 @@ static int cmd_router_bgp(struct cli_def *cli, char *command, char **argv, int a
 
        if (argc != 1 || (as = atoi(argv[0])) < 1 || as > 65535)
        {
-               cli_print(cli, "Invalid autonomous system number");
+               cli_error(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");
+               cli_error(cli, "Can't change local AS on a running system");
                return CLI_OK;
        }
 
@@ -2018,19 +2054,19 @@ static int cmd_router_bgp_neighbour(struct cli_def *cli, char *command, char **a
 
        if (argc < 3)
        {
-               cli_print(cli, "Invalid arguments");
+               cli_error(cli, "Invalid arguments");
                return CLI_OK;
        }
 
        if ((i = find_bgp_neighbour(argv[0])) == -2)
        {
-               cli_print(cli, "Invalid neighbour");
+               cli_error(cli, "Invalid neighbour");
                return CLI_OK;
        }
 
        if (i == -1)
        {
-               cli_print(cli, "Too many neighbours (max %d)", BGP_NUM_PEERS);
+               cli_error(cli, "Too many neighbours (max %d)", BGP_NUM_PEERS);
                return CLI_OK;
        }
 
@@ -2039,13 +2075,13 @@ static int cmd_router_bgp_neighbour(struct cli_def *cli, char *command, char **a
                int as = atoi(argv[2]);
                if (as < 0 || as > 65535)
                {
-                       cli_print(cli, "Invalid autonomous system number");
+                       cli_error(cli, "Invalid autonomous system number");
                        return CLI_OK;
                }
 
                if (!config->neighbour[i].name[0])
                {
-                       snprintf(config->neighbour[i].name, sizeof(config->neighbour[i].name), argv[0]);
+                       snprintf(config->neighbour[i].name, sizeof(config->neighbour[i].name), "%s", argv[0]);
                        config->neighbour[i].keepalive = -1;
                        config->neighbour[i].hold = -1;
                }
@@ -2056,13 +2092,13 @@ static int cmd_router_bgp_neighbour(struct cli_def *cli, char *command, char **a
 
        if (argc != 4 || !MATCH("timers", argv[1]))
        {
-               cli_print(cli, "Invalid arguments");
+               cli_error(cli, "Invalid arguments");
                return CLI_OK;
        }
 
        if (!config->neighbour[i].name[0])
        {
-               cli_print(cli, "Specify remote-as first");
+               cli_error(cli, "Specify remote-as first");
                return CLI_OK;
        }
 
@@ -2071,13 +2107,13 @@ static int cmd_router_bgp_neighbour(struct cli_def *cli, char *command, char **a
 
        if (keepalive < 1 || keepalive > 65535)
        {
-               cli_print(cli, "Invalid keepalive time");
+               cli_error(cli, "Invalid keepalive time");
                return CLI_OK;
        }
 
        if (hold < 3 || hold > 65535)
        {
-               cli_print(cli, "Invalid hold time");
+               cli_error(cli, "Invalid hold time");
                return CLI_OK;
        }
 
@@ -2105,19 +2141,19 @@ static int cmd_router_bgp_no_neighbour(struct cli_def *cli, char *command, char
 
        if (argc != 1)
        {
-               cli_print(cli, "Specify a BGP neighbour");
+               cli_error(cli, "Specify a BGP neighbour");
                return CLI_OK;
        }
 
        if ((i = find_bgp_neighbour(argv[0])) == -2)
        {
-               cli_print(cli, "Invalid neighbour");
+               cli_error(cli, "Invalid neighbour");
                return CLI_OK;
        }
 
        if (i < 0 || !config->neighbour[i].name[0])
        {
-               cli_print(cli, "Neighbour %s not configured", argv[0]);
+               cli_error(cli, "Neighbour %s not configured", argv[0]);
                return CLI_OK;
        }
 
@@ -2320,7 +2356,7 @@ static int access_list(struct cli_def *cli, char **argv, int argc, int add)
 
        if (argc != 2)
        {
-               cli_print(cli, "Specify access-list type and name");
+               cli_error(cli, "Specify access-list type and name");
                return CLI_OK;
        }
 
@@ -2330,14 +2366,14 @@ static int access_list(struct cli_def *cli, char **argv, int argc, int add)
                extended = 1;
        else
        {
-               cli_print(cli, "Invalid access-list type");
+               cli_error(cli, "Invalid access-list type");
                return CLI_OK;
        }
 
        if (strlen(argv[1]) > sizeof(ip_filters[0].name) - 1 ||
            strspn(argv[1], "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-") != strlen(argv[1]))
        {
-               cli_print(cli, "Invalid access-list name");
+               cli_error(cli, "Invalid access-list name");
                return CLI_OK;
        }
 
@@ -2346,7 +2382,7 @@ static int access_list(struct cli_def *cli, char **argv, int argc, int add)
        {
                if (filt < 0)
                {
-                       cli_print(cli, "Too many access-lists");
+                       cli_error(cli, "Too many access-lists");
                        return CLI_OK;
                }
 
@@ -2359,7 +2395,7 @@ static int access_list(struct cli_def *cli, char **argv, int argc, int add)
                }
                else if (ip_filters[filt].extended != extended)
                {
-                       cli_print(cli, "Access-list is %s",
+                       cli_error(cli, "Access-list is %s",
                                ip_filters[filt].extended ? "extended" : "standard");
 
                        return CLI_OK;
@@ -2371,14 +2407,14 @@ static int access_list(struct cli_def *cli, char **argv, int argc, int add)
 
        if (filt < 0 || !*ip_filters[filt].name)
        {
-               cli_print(cli, "Access-list not defined");
+               cli_error(cli, "Access-list not defined");
                return CLI_OK;
        }
 
        // racy
        if (ip_filters[filt].used)
        {
-               cli_print(cli, "Access-list in use");
+               cli_error(cli, "Access-list in use");
                return CLI_OK;
        }
 
@@ -2477,7 +2513,7 @@ static char const *show_access_list_rule(int extended, ip_filter_rulet *rule)
        return buf;
 }
 
-ip_filter_rulet *access_list_rule_ext(struct cli_def *cli, char *command, char **argv, int argc)
+static ip_filter_rulet *access_list_rule_ext(struct cli_def *cli, char *command, char **argv, int argc)
 {
        static ip_filter_rulet rule;
        struct in_addr addr;
@@ -2504,7 +2540,7 @@ ip_filter_rulet *access_list_rule_ext(struct cli_def *cli, char *command, char *
 
        if (argc < 3)
        {
-               cli_print(cli, "Specify rule details");
+               cli_error(cli, "Specify rule details");
                return NULL;
        }
 
@@ -2521,7 +2557,7 @@ ip_filter_rulet *access_list_rule_ext(struct cli_def *cli, char *command, char *
                rule.proto = IPPROTO_TCP;
        else
        {
-               cli_print(cli, "Invalid protocol \"%s\"", argv[0]);
+               cli_error(cli, "Invalid protocol \"%s\"", argv[0]);
                return NULL;
        }
 
@@ -2544,7 +2580,7 @@ ip_filter_rulet *access_list_rule_ext(struct cli_def *cli, char *command, char *
                        port = &rule.dst_ports;
                        if (a >= argc)
                        {
-                               cli_print(cli, "Specify destination");
+                               cli_error(cli, "Specify destination");
                                return NULL;
                        }
                }
@@ -2559,13 +2595,13 @@ ip_filter_rulet *access_list_rule_ext(struct cli_def *cli, char *command, char *
                {
                        if (++a >= argc)
                        {
-                               cli_print(cli, "Specify host ip address");
+                               cli_error(cli, "Specify host ip address");
                                return NULL;
                        }
 
                        if (!inet_aton(argv[a], &addr))
                        {
-                               cli_print(cli, "Cannot parse IP \"%s\"", argv[a]);
+                               cli_error(cli, "Cannot parse IP \"%s\"", argv[a]);
                                return NULL;
                        }
 
@@ -2577,13 +2613,13 @@ ip_filter_rulet *access_list_rule_ext(struct cli_def *cli, char *command, char *
                {
                        if (a >= argc - 1)
                        {
-                               cli_print(cli, "Specify %s ip address and wildcard", i ? "destination" : "source");
+                               cli_error(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]);
+                               cli_error(cli, "Cannot parse IP \"%s\"", argv[a]);
                                return NULL;
                        }
 
@@ -2591,7 +2627,7 @@ ip_filter_rulet *access_list_rule_ext(struct cli_def *cli, char *command, char *
 
                        if (!inet_aton(argv[++a], &addr))
                        {
-                               cli_print(cli, "Cannot parse IP \"%s\"", argv[a]);
+                               cli_error(cli, "Cannot parse IP \"%s\"", argv[a]);
                                return NULL;
                        }
 
@@ -2619,13 +2655,13 @@ ip_filter_rulet *access_list_rule_ext(struct cli_def *cli, char *command, char *
 
                if (++a >= argc)
                {
-                       cli_print(cli, "Specify port");
+                       cli_error(cli, "Specify port");
                        return NULL;
                }
 
                if (!(port->port = atoi(argv[a])))
                {
-                       cli_print(cli, "Invalid port \"%s\"", argv[a]);
+                       cli_error(cli, "Invalid port \"%s\"", argv[a]);
                        return NULL;
                }
                        
@@ -2635,13 +2671,13 @@ ip_filter_rulet *access_list_rule_ext(struct cli_def *cli, char *command, char *
 
                if (a >= argc)
                {
-                       cli_print(cli, "Specify port");
+                       cli_error(cli, "Specify port");
                        return NULL;
                }
 
                if (!(port->port2 = atoi(argv[a])) || port->port2 < port->port)
                {
-                       cli_print(cli, "Invalid port \"%s\"", argv[a]);
+                       cli_error(cli, "Invalid port \"%s\"", argv[a]);
                        return NULL;
                }
                        
@@ -2664,7 +2700,7 @@ ip_filter_rulet *access_list_rule_ext(struct cli_def *cli, char *command, char *
 
                        if (++a >= argc)
                        {
-                               cli_print(cli, "Specify tcp flags");
+                               cli_error(cli, "Specify tcp flags");
                                return NULL;
                        }
 
@@ -2682,7 +2718,7 @@ ip_filter_rulet *access_list_rule_ext(struct cli_def *cli, char *command, char *
                                else if (MATCH("urg", &argv[a][1])) *f |= TCP_FLAG_URG;
                                else
                                {
-                                       cli_print(cli, "Invalid tcp flag \"%s\"", argv[a]);
+                                       cli_error(cli, "Invalid tcp flag \"%s\"", argv[a]);
                                        return NULL;
                                }
 
@@ -2695,7 +2731,7 @@ ip_filter_rulet *access_list_rule_ext(struct cli_def *cli, char *command, char *
        {
                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");
+                       cli_error(cli, "Can't specify \"fragments\" on rules with layer 4 matches");
                        return NULL;
                }
 
@@ -2705,14 +2741,14 @@ ip_filter_rulet *access_list_rule_ext(struct cli_def *cli, char *command, char *
 
        if (a < argc)
        {
-               cli_print(cli, "Invalid flag \"%s\"", argv[a]);
+               cli_error(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 *access_list_rule_std(struct cli_def *cli, char *command, char **argv, int argc)
 {
        static ip_filter_rulet rule;
        struct in_addr addr;
@@ -2763,7 +2799,7 @@ ip_filter_rulet *access_list_rule_std(struct cli_def *cli, char *command, char *
 
        if (argc < 1)
        {
-               cli_print(cli, "Specify rule details");
+               cli_error(cli, "Specify rule details");
                return NULL;
        }
 
@@ -2782,13 +2818,13 @@ ip_filter_rulet *access_list_rule_std(struct cli_def *cli, char *command, char *
        {
                if (argc != 2)
                {
-                       cli_print(cli, "Specify host ip address");
+                       cli_error(cli, "Specify host ip address");
                        return NULL;
                }
 
                if (!inet_aton(argv[1], &addr))
                {
-                       cli_print(cli, "Cannot parse IP \"%s\"", argv[1]);
+                       cli_error(cli, "Cannot parse IP \"%s\"", argv[1]);
                        return NULL;
                }
 
@@ -2799,13 +2835,13 @@ ip_filter_rulet *access_list_rule_std(struct cli_def *cli, char *command, char *
        {
                if (argc > 2)
                {
-                       cli_print(cli, "Specify source ip address and wildcard");
+                       cli_error(cli, "Specify source ip address and wildcard");
                        return NULL;
                }
 
                if (!inet_aton(argv[0], &addr))
                {
-                       cli_print(cli, "Cannot parse IP \"%s\"", argv[0]);
+                       cli_error(cli, "Cannot parse IP \"%s\"", argv[0]);
                        return NULL;
                }
 
@@ -2815,7 +2851,7 @@ ip_filter_rulet *access_list_rule_std(struct cli_def *cli, char *command, char *
                {
                        if (!inet_aton(argv[1], &addr))
                        {
-                               cli_print(cli, "Cannot parse IP \"%s\"", argv[1]);
+                               cli_error(cli, "Cannot parse IP \"%s\"", argv[1]);
                                return NULL;
                        }
 
@@ -2850,7 +2886,7 @@ static int cmd_ip_access_list_rule(struct cli_def *cli, char *command, char **ar
                        return CLI_OK;
        }
 
-       cli_print(cli, "Too many rules");
+       cli_error(cli, "Too many rules");
        return CLI_OK;
 }
 
@@ -2886,7 +2922,7 @@ static int cmd_filter(struct cli_def *cli, char *command, char **argv, int argc)
 
        if (!config->cluster_iam_master)
        {
-               cli_print(cli, "Can't do this on a slave.  Do it on %s",
+               cli_error(cli, "Can't do this on a slave.  Do it on %s",
                        fmtaddr(config->cluster_master_address, 0));
 
                return CLI_OK;
@@ -2894,13 +2930,13 @@ static int cmd_filter(struct cli_def *cli, char *command, char **argv, int argc)
 
        if (argc != 3 && argc != 5)
        {
-               cli_print(cli, "Specify a user and filters");
+               cli_error(cli, "Specify a user and filters");
                return CLI_OK;
        }
 
        if (!(s = sessionbyuser(argv[0])))
        {
-               cli_print(cli, "User %s is not connected", argv[0]);
+               cli_error(cli, "User %s is not connected", argv[0]);
                return CLI_OK;
        }
 
@@ -2914,7 +2950,7 @@ static int cmd_filter(struct cli_def *cli, char *command, char **argv, int argc)
                {
                        if (session[s].filter_in)
                        {
-                               cli_print(cli, "Input already filtered");
+                               cli_error(cli, "Input already filtered");
                                return CLI_OK;
                        }
                        f = &cli_session_actions[s].filter_in;
@@ -2923,21 +2959,21 @@ static int cmd_filter(struct cli_def *cli, char *command, char **argv, int argc)
                {
                        if (session[s].filter_out)
                        {
-                               cli_print(cli, "Output already filtered");
+                               cli_error(cli, "Output already filtered");
                                return CLI_OK;
                        }
                        f = &cli_session_actions[s].filter_out;
                }
                else
                {
-                       cli_print(cli, "Invalid filter specification");
+                       cli_error(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]);
+                       cli_error(cli, "Access-list %s not defined", argv[i+1]);
                        return CLI_OK;
                }
 
@@ -2961,7 +2997,7 @@ static int cmd_no_filter(struct cli_def *cli, char *command, char **argv, int ar
 
        if (!config->cluster_iam_master)
        {
-               cli_print(cli, "Can't do this on a slave.  Do it on %s",
+               cli_error(cli, "Can't do this on a slave.  Do it on %s",
                        fmtaddr(config->cluster_master_address, 0));
 
                return CLI_OK;
@@ -2969,7 +3005,7 @@ static int cmd_no_filter(struct cli_def *cli, char *command, char **argv, int ar
 
        if (!argc)
        {
-               cli_print(cli, "Specify a user to remove filters from");
+               cli_error(cli, "Specify a user to remove filters from");
                return CLI_OK;
        }
 
@@ -2977,7 +3013,7 @@ static int cmd_no_filter(struct cli_def *cli, char *command, char **argv, int ar
        {
                if (!(s = sessionbyuser(argv[i])))
                {
-                       cli_print(cli, "User %s is not connected", argv[i]);
+                       cli_error(cli, "User %s is not connected", argv[i]);
                        continue;
                }
 
@@ -2988,7 +3024,7 @@ static int cmd_no_filter(struct cli_def *cli, char *command, char **argv, int ar
                }
                else
                {
-                       cli_print(cli, "User %s not filtered", argv[i]);
+                       cli_error(cli, "User %s not filtered", argv[i]);
                }
        }
 
@@ -3004,7 +3040,7 @@ static int cmd_show_access_list(struct cli_def *cli, char *command, char **argv,
 
        if (argc < 1)
        {
-               cli_print(cli, "Specify a filter name");
+               cli_error(cli, "Specify a filter name");
                return CLI_OK;
        }
 
@@ -3015,7 +3051,7 @@ static int cmd_show_access_list(struct cli_def *cli, char *command, char **argv,
 
                if (f < 0 || !*ip_filters[f].name)
                {
-                       cli_print(cli, "Access-list %s not defined", argv[i]);
+                       cli_error(cli, "Access-list %s not defined", argv[i]);
                        return CLI_OK;
                }