first version of the LAC functionality
[l2tpns.git] / cli.c
diff --git a/cli.c b/cli.c
index 12f4641..5b0bcbc 100644 (file)
--- a/cli.c
+++ b/cli.c
@@ -1,9 +1,6 @@
 // L2TPNS Command Line Interface
 // vim: sw=8 ts=8
 
-char const *cvs_name = "$Name:  $";
-char const *cvs_id_cli = "$Id: cli.c,v 1.76 2006-12-18 12:08:28 bodea Exp $";
-
 #include <stdio.h>
 #include <stddef.h>
 #include <stdarg.h>
@@ -34,6 +31,9 @@ char const *cvs_id_cli = "$Id: cli.c,v 1.76 2006-12-18 12:08:28 bodea Exp $";
 #ifdef BGP
 #include "bgp.h"
 #endif
+#ifdef LAC
+#include "l2tplac.h"
+#endif
 
 extern tunnelt *tunnel;
 extern bundlet *bundle;
@@ -102,7 +102,9 @@ static int cmd_remove_plugin(struct cli_def *cli, char *command, char **argv, in
 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);
-
+#ifdef LAC
+static int cmd_setforward(struct cli_def *cli, char *command, char **argv, int argc);
+#endif
 
 static int regular_stuff(struct cli_def *cli);
 
@@ -133,20 +135,14 @@ 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");
@@ -231,6 +227,10 @@ void init_cli(char *hostname)
 
        cli_register_command(cli, NULL, "set", cmd_set, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Set a configuration variable");
 
+#ifdef LAC
+       cli_register_command(cli, NULL, "setforward", cmd_setforward, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Set the Remote LNS Forward");
+#endif
+
        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");
 
@@ -272,6 +272,17 @@ 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, IPPROTO_TCP);
@@ -283,13 +294,22 @@ 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)
@@ -443,6 +463,14 @@ static int cmd_show_session(struct cli_def *cli, char *command, char **argv, int
                        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);
@@ -510,7 +538,7 @@ 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",
@@ -523,13 +551,20 @@ 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 : "*",
@@ -542,6 +577,7 @@ 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 : "*");
        }
@@ -794,72 +830,10 @@ 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;
 }
 
@@ -1022,6 +996,11 @@ 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
@@ -2048,6 +2027,7 @@ 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:
@@ -2066,6 +2046,9 @@ 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;
                }
        }
@@ -2102,12 +2085,33 @@ 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");
@@ -3100,3 +3104,53 @@ static int cmd_reload(struct cli_def *cli, char *command, char **argv, int argc)
        kill(getppid(), SIGHUP);
        return CLI_OK;
 }
+
+#ifdef LAC
+
+static int cmd_setforward(struct cli_def *cli, char *command, char **argv, int argc)
+{
+       int ret;
+
+       if (CLI_HELP_REQUESTED)
+       {
+               switch (argc)
+               {
+               case 1:
+                       return cli_arg_help(cli, 0,
+                               "MASK", "Users mask to forward (ex: myISP@operator.com)", NULL);
+
+               case 2:
+                       return cli_arg_help(cli, 0,
+                               "IP", "IP of the remote LNS(ex: 64.64.64.64)", NULL);
+
+               case 3:
+                       return cli_arg_help(cli, 0,
+                               "PORT", "Port of the remote LNS (ex: 1701)", NULL);
+
+               case 4:
+                       return cli_arg_help(cli, 0,
+                               "SECRET", "l2tp secret of the remote LNS (ex: mysecretpsw)", NULL);
+
+               default:
+                       return cli_arg_help(cli, argc > 1, NULL);
+               }
+       }
+
+       if (argc != 4)
+       {
+               cli_error(cli, "Specify variable and value");
+               return CLI_OK;
+       }
+
+       // adremotelns(mask, IP_RemoteLNS, Port_RemoteLNS, SecretRemoteLNS)
+       ret = addremotelns(argv[0], argv[1], argv[2], argv[3]);
+
+       if (ret)
+               cli_print(cli, "setforward %s %s %s %s", argv[0], argv[1], argv[2], argv[3]);
+       else
+               cli_error(cli, "ERROR setforward %s %s %s %s", argv[0], argv[1], argv[2], argv[3]);
+
+       return CLI_OK;
+}
+
+#endif