Fix binding of the cli to the configured address

[l2tpns.git] / cli.c

diff --git a/cli.c b/cli.c
index 7fbe3d1..25ba34f 100644 (file)
--- a/cli.c
+++ b/cli.c
@@ -133,20 +133,14 @@ 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");
@@ -272,6 +266,17 @@ 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 +288,22 @@ 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 +457,14 @@ 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 +532,7 @@ 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 +545,20 @@ 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 +571,7 @@ 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 : "*");
        }
@@ -1022,6 +1052,11 @@ 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 +2083,7 @@ 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 +2102,9 @@ 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 +2141,33 @@ 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");