Merge branch 'common-cvs-git-upstream' into fdn-mods
[l2tpns.git] / cli.c
diff --git a/cli.c b/cli.c
index 8100253..3f63413 100644 (file)
--- a/cli.c
+++ b/cli.c
@@ -1,10 +1,8 @@
 // L2TPNS Command Line Interface
 // vim: sw=8 ts=8
 
-char const *cvs_name = "$Name:  $";
-char const *cvs_id_cli = "$Id: cli.c,v 1.64 2005/07/31 10:04:09 bodea Exp $";
-
 #include <stdio.h>
+#include <stddef.h>
 #include <stdarg.h>
 #include <unistd.h>
 #include <sys/file.h>
@@ -35,6 +33,7 @@ char const *cvs_id_cli = "$Id: cli.c,v 1.64 2005/07/31 10:04:09 bodea Exp $";
 #endif
 
 extern tunnelt *tunnel;
+extern bundlet *bundle;
 extern sessiont *session;
 extern radiust *radius;
 extern ippoolt *ip_address_pool;
@@ -98,9 +97,11 @@ static int cmd_set(struct cli_def *cli, char *command, char **argv, int argc);
 static int cmd_load_plugin(struct cli_def *cli, char *command, char **argv, int argc);
 static int cmd_remove_plugin(struct cli_def *cli, char *command, char **argv, int argc);
 static int cmd_uptime(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_shutdown(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_reload(struct cli_def *cli, char *command, char **argv, int argc);
+
 
 static int regular_stuff(struct cli_def *cli);
-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);
@@ -129,20 +130,14 @@ static int cmd_show_access_list(struct cli_def *cli, char *command, char **argv,
 /* 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()
 {
        FILE *f;
        char buf[4096];
        struct cli_command *c;
        struct cli_command *c2;
-       int on = 1;
-       struct sockaddr_in addr;
 
        cli = cli_init();
-       if (hostname && *hostname)
-               cli_set_hostname(cli, hostname);
-       else
-               cli_set_hostname(cli, "l2tpns");
 
        c = cli_register_command(cli, NULL, "show", NULL, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, NULL);
        cli_register_command(cli, c, "banana", cmd_show_banana, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show a banana");
@@ -175,6 +170,8 @@ void init_cli(char *hostname)
 #endif
 
        cli_register_command(cli, NULL, "uptime", cmd_uptime, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show uptime and bandwidth utilisation");
+       cli_register_command(cli, NULL, "shutdown", cmd_shutdown, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Shutdown l2tpns daemon and exit");
+       cli_register_command(cli, NULL, "reload", cmd_reload, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Reload configuration");
 
        c = cli_register_command(cli, NULL, "write", NULL, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, NULL);
        cli_register_command(cli, c, "memory", cmd_write_memory, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Save the running config to flash");
@@ -266,9 +263,20 @@ void init_cli(char *hostname)
                }
                fclose(f);
        }
+}
+
+void cli_init_complete(char *hostname)
+{
+       int on = 1;
+       struct sockaddr_in addr;
+
+       if (hostname && *hostname)
+               cli_set_hostname(cli, hostname);
+       else
+               cli_set_hostname(cli, "l2tpns");
 
        memset(&addr, 0, sizeof(addr));
-       clifd = socket(PF_INET, SOCK_STREAM, 6);
+       clifd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
        setsockopt(clifd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
        {
                int flags;
@@ -277,13 +285,22 @@ void init_cli(char *hostname)
                fcntl(clifd, F_SETFL, flags | O_NONBLOCK);
        }
        addr.sin_family = AF_INET;
+       addr.sin_addr.s_addr = config->cli_bind_address; /* defaults to INADDR_ANY */
        addr.sin_port = htons(23);
        if (bind(clifd, (void *) &addr, sizeof(addr)) < 0)
+       {
+               LOG(0, 0, 0, "Error binding cli on port 23: %s\n", strerror(errno));
+               close(clifd);
+               clifd = -1;
+               return;
+       }
+       if (listen(clifd, 10) < 0)
        {
                LOG(0, 0, 0, "Error listening on cli port 23: %s\n", strerror(errno));
+               close(clifd);
+               clifd = -1;
                return;
        }
-       listen(clifd, 10);
 }
 
 void cli_do(int sockfd)
@@ -412,7 +429,7 @@ static int cmd_show_session(struct cli_def *cli, char *command, char **argv, int
                        switch (session[s].ppp.phase)
                        {
                        case Establish:
-                               cli_print(cli, "\tLCP state:\t%s", ppp_state(session[s].ppp.lcp));
+                               cli_print(cli, "\t LCP state:\t%s", ppp_state(session[s].ppp.lcp));
                                break;
 
                        case Authenticate:
@@ -425,8 +442,26 @@ static int cmd_show_session(struct cli_def *cli, char *command, char **argv, int
                        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);
+                       if (session[s].session_timeout)
+                       {
+                               clockt opened = session[s].opened;
+                               if (session[s].bundle && bundle[session[s].bundle].num_of_links > 1)
+                                       opened = bundle[session[s].bundle].online_time;
+
+                               cli_print(cli, "\tSess Timeout:\t%u seconds", session[s].session_timeout - (opened ? abs(time_now - opened) : 0));
+                       }
+
+                       if (session[s].idle_timeout)
+                               cli_print(cli, "\tIdle Timeout:\t%u seconds", session[s].idle_timeout - (session[s].last_data ? abs(time_now - session[s].last_data) : 0));
+
+                       if (session[s].timeout)
+                       {
+                               cli_print(cli, "\tRemaining time:\t%u",
+                                       (session[s].bundle && bundle[session[s].bundle].num_of_links > 1)
+                                       ? (unsigned) (session[s].timeout - bundle[session[s].bundle].online_time)
+                                       : (unsigned) (session[s].timeout - (time_now - session[s].opened)));
+                       }
+
                        cli_print(cli, "\tBytes In/Out:\t%u/%u", session[s].cout, session[s].cin);
                        cli_print(cli, "\tPkts In/Out:\t%u/%u", session[s].pout, session[s].pin);
                        cli_print(cli, "\tMRU:\t\t%d", session[s].mru);
@@ -494,7 +529,7 @@ 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 %s %10s %10s %10s %4s %-15s %s",
+       cli_print(cli, "%5s %4s %-32s %-15s %s %s %s %s %10s %10s %10s %4s %10s %-15s %s",
                        "SID",
                        "TID",
                        "Username",
@@ -507,13 +542,20 @@ static int cmd_show_session(struct cli_def *cli, char *command, char **argv, int
                        "downloaded",
                        "uploaded",
                        "idle",
+                       "Rem.Time",
                        "LAC",
                        "CLI");
 
        for (i = 1; i < MAXSESSION; i++)
        {
+               uint32_t rem_time;
                if (!session[i].opened) continue;
-               cli_print(cli, "%5d %4d %-32s %-15s %s %s %s %s %10u %10lu %10lu %4u %-15s %s",
+               if (session[i].bundle && bundle[session[i].bundle].num_of_links > 1)
+                       rem_time = session[i].timeout ? (session[i].timeout - bundle[session[i].bundle].online_time) : 0;
+               else
+                       rem_time = session[i].timeout ? (session[i].timeout - (time_now-session[i].opened)) : 0;
+
+               cli_print(cli, "%5d %4d %-32s %-15s %s %s %s %s %10u %10lu %10lu %4u %10lu %-15s %s",
                                i,
                                session[i].tunnel,
                                session[i].user[0] ? session[i].user : "*",
@@ -526,6 +568,7 @@ static int cmd_show_session(struct cli_def *cli, char *command, char **argv, int
                                (unsigned long)session[i].cout,
                                (unsigned long)session[i].cin,
                                abs(time_now - (session[i].last_packet ? session[i].last_packet : time_now)),
+                               (unsigned long)(rem_time),
                                fmtaddr(htonl(tunnel[ session[i].tunnel ].ip), 1),
                                session[i].calling[0] ? session[i].calling : "*");
        }
@@ -778,72 +821,10 @@ static int cmd_clear_counters(struct cli_def *cli, char *command, char **argv, i
 
 static int cmd_show_version(struct cli_def *cli, char *command, char **argv, int argc)
 {
-       int tag = 0;
-       int file = 0;
-       int i = 0;
-
        if (CLI_HELP_REQUESTED)
-               return cli_arg_help(cli, 1,
-                       "tag", "Include CVS release tag",
-                       "file", "Include file versions",
-                       NULL);
-
-       for (i = 0; i < argc; i++)
-               if (!strcmp(argv[i], "tag"))
-                       tag++;
-               else if (!strcmp(argv[i], "file"))
-                       file++;
+               return CLI_HELP_NO_ARGS;
 
        cli_print(cli, "L2TPNS %s", VERSION);
-       if (tag)
-       {
-               char const *p = strchr(cvs_name, ':');
-               char const *e;
-               if (p)
-               {
-                       p++;
-                       while (isspace(*p))
-                               p++;
-               }
-
-               if (!p || *p == '$')
-                       p = "HEAD";
-
-               e = strpbrk(p, " \t$");
-               cli_print(cli, "Tag: %.*s", (int) (e ? e - p + 1 : strlen(p)), p);
-       }
-       
-       if (file)
-       {
-               extern linked_list *loaded_plugins;
-               void *p;
-
-               cli_print(cli, "Files:");
-               cli_print(cli, "  %s", cvs_id_arp);
-#ifdef BGP
-               cli_print(cli, "  %s", cvs_id_bgp);
-#endif /* BGP */
-               cli_print(cli, "  %s", cvs_id_cli);
-               cli_print(cli, "  %s", cvs_id_cluster);
-               cli_print(cli, "  %s", cvs_id_constants);
-               cli_print(cli, "  %s", cvs_id_control);
-               cli_print(cli, "  %s", cvs_id_icmp);
-               cli_print(cli, "  %s", cvs_id_l2tpns);
-               cli_print(cli, "  %s", cvs_id_ll);
-               cli_print(cli, "  %s", cvs_id_ppp);
-               cli_print(cli, "  %s", cvs_id_radius);
-               cli_print(cli, "  %s", cvs_id_tbf);
-               cli_print(cli, "  %s", cvs_id_util);
-
-               ll_reset(loaded_plugins);
-               while ((p = ll_next(loaded_plugins)))
-               {
-                       char const **id = dlsym(p, "cvs_id");
-                       if (id)
-                               cli_print(cli, "  %s", *id);
-               }
-       }
-
        return CLI_OK;
 }
 
@@ -965,14 +946,6 @@ static int cmd_show_run(struct cli_def *cli, char *command, char **argv, int arg
                        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);
-               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));
        }
 
        cli_print(cli, "# Plugins");
@@ -1014,6 +987,11 @@ static int cmd_show_run(struct cli_def *cli, char *command, char **argv, int arg
                                h = BGP_HOLD_TIME;
 
                        cli_print(cli, " neighbour %s timers %d %d", config->neighbour[i].name, k, h);
+
+                       if (config->neighbour[i].update_source.s_addr != INADDR_ANY)
+                               cli_print(cli, " neighbour %s update-source %s",
+                                               config->neighbour[i].name,
+                                               inet_ntoa(config->neighbour[i].update_source));
                }
        }
 #endif
@@ -1889,9 +1867,6 @@ static int cmd_set(struct cli_def *cli, char *command, char **argv, int argc)
                        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;
@@ -1938,7 +1913,7 @@ int regular_stuff(struct cli_def *cli)
                if (!show) continue;
 
                if (!(p = strchr(m, '\n')))
-                       p = m + strlen(p);
+                       p = m + strlen(m);
 
                cli_error(cli, "\r%s-%u-%u %.*s",
                        debug_levels[(int)ringbuffer->buffer[i].level],
@@ -2029,7 +2004,7 @@ static int cmd_router_bgp_neighbour(struct cli_def *cli, char *command, char **a
        int keepalive;
        int hold;
 
-       if (CLI_HELP_REQUESTED)
+       if (CLI_HELP_REQUESTED)
        {
                switch (argc)
                {
@@ -2043,6 +2018,7 @@ static int cmd_router_bgp_neighbour(struct cli_def *cli, char *command, char **a
                        return cli_arg_help(cli, 0,
                                "remote-as", "Set remote autonomous system number",
                                "timers",    "Set timers",
+                               "update-source",    "Set source address to use for the BGP session",
                                NULL);
 
                default:
@@ -2061,6 +2037,9 @@ static int cmd_router_bgp_neighbour(struct cli_def *cli, char *command, char **a
                                        return cli_arg_help(cli, 1, NULL);
                        }
 
+                       if (MATCH("update-source", argv[1]))
+                               return cli_arg_help(cli, argc > 3, "A.B.C.D", "Source IP address", NULL);
+
                        return CLI_OK;
                }
        }
@@ -2097,12 +2076,33 @@ static int cmd_router_bgp_neighbour(struct cli_def *cli, char *command, char **a
                        snprintf(config->neighbour[i].name, sizeof(config->neighbour[i].name), "%s", argv[0]);
                        config->neighbour[i].keepalive = -1;
                        config->neighbour[i].hold = -1;
+                       config->neighbour[i].update_source.s_addr = INADDR_ANY;
                }
 
                config->neighbour[i].as = as;
                return CLI_OK;
        }
 
+       if (MATCH("update-source", argv[1]))
+       {
+               struct in_addr addr;
+
+               if (!config->neighbour[i].name[0])
+               {
+                       cli_error(cli, "Specify remote-as first");
+                       return CLI_OK;
+               }
+
+               if (!inet_aton(argv[2], &addr))
+               {
+                       cli_error(cli, "Cannot parse IP \"%s\"", argv[2]);
+                       return CLI_OK;
+               }
+
+               config->neighbour[i].update_source = addr;
+               return CLI_OK;
+       }
+
        if (argc != 4 || !MATCH("timers", argv[1]))
        {
                cli_error(cli, "Invalid arguments");
@@ -2139,14 +2139,14 @@ static int cmd_router_bgp_neighbour(struct cli_def *cli, char *command, char **a
        config->neighbour[i].keepalive = keepalive;
        config->neighbour[i].hold = hold;
 
-       return CLI_OK;
+       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)
+       if (CLI_HELP_REQUESTED)
                return cli_arg_help(cli, argc > 0,
                        "A.B.C.D", "BGP neighbour address",
                        "NAME",    "BGP neighbour name",
@@ -2171,7 +2171,7 @@ static int cmd_router_bgp_no_neighbour(struct cli_def *cli, char *command, char
        }
 
        memset(&config->neighbour[i], 0, sizeof(config->neighbour[i]));
-       return CLI_OK;
+       return CLI_OK;
 }
 
 static int cmd_show_bgp(struct cli_def *cli, char *command, char **argv, int argc)
@@ -2884,7 +2884,7 @@ static int cmd_ip_access_list_rule(struct cli_def *cli, char *command, char **ar
                        return CLI_OK;
                }
 
-               if (!memcmp(&ip_filters[filt].rules[i], rule, sizeof(*rule)))
+               if (!memcmp(&ip_filters[filt].rules[i], rule, offsetof(ip_filter_rulet, counter)))
                        return CLI_OK;
        }
 
@@ -3068,7 +3068,7 @@ static int cmd_show_access_list(struct cli_def *cli, char *command, char **argv,
                {
                        char const *r = show_access_list_rule(ip_filters[f].extended, rules);
                        if (rules->counter)
-                               cli_print(cli, "%s (%d match%s)", r,
+                               cli_print(cli, "%s (%u match%s)", r,
                                        rules->counter, rules->counter > 1 ? "es" : "");
                        else
                                cli_print(cli, "%s", r);
@@ -3078,12 +3078,20 @@ static int cmd_show_access_list(struct cli_def *cli, char *command, char **argv,
        return CLI_OK;
 }
 
-// Convert a string in the form of abcd.ef12.3456 into char[6]
-void parsemac(char *string, char mac[6])
+static int cmd_shutdown(struct cli_def *cli, char *command, char **argv, int argc)
 {
-       if (sscanf(string, "%02x%02x.%02x%02x.%02x%02x", (unsigned int *)&mac[0], (unsigned int *)&mac[1], (unsigned int *)&mac[2], (unsigned int *)&mac[3], (unsigned int *)&mac[4], (unsigned int *)&mac[5]) == 6)
-               return;
-       if (sscanf(string, "%02x%02x:%02x%02x:%02x%02x", (unsigned int *)&mac[0], (unsigned int *)&mac[1], (unsigned int *)&mac[2], (unsigned int *)&mac[3], (unsigned int *)&mac[4], (unsigned int *)&mac[5]) == 6)
-               return;
-       memset(mac, 0, 6);
+       if (CLI_HELP_REQUESTED)
+               return CLI_HELP_NO_ARGS;
+
+       kill(getppid(), SIGQUIT);
+       return CLI_OK;
+}
+
+static int cmd_reload(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       if (CLI_HELP_REQUESTED)
+               return CLI_HELP_NO_ARGS;
+
+       kill(getppid(), SIGHUP);
+       return CLI_OK;
 }