X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/b43583c01d146d8cc3cb826937efe3d0f47ec819..47de707495eac6c160ba40bdb8743838d0a929d9:/cli.c diff --git a/cli.c b/cli.c index 9957690..52397f9 100644 --- a/cli.c +++ b/cli.c @@ -1,13 +1,18 @@ // L2TPNS Command Line Interface -// $Id: cli.c,v 1.2 2004/03/05 00:09:03 fred_nerk Exp $ -// vim: sw=4 ts=8 +// vim: sw=8 ts=8 + +char const *cvs_name = "$Name: $"; +char const *cvs_id_cli = "$Id: cli.c,v 1.59 2005/06/02 03:52:46 bodea Exp $"; #include +#include +#include #include #include #include #include #include +#include #include #include #include @@ -15,1280 +20,3064 @@ #include #include #include -#include +#include +#include +#include + #include "l2tpns.h" -#include "libcli.h" #include "util.h" +#include "cluster.h" +#include "tbf.h" +#include "ll.h" +#ifdef BGP +#include "bgp.h" +#endif extern tunnelt *tunnel; extern sessiont *session; extern radiust *radius; extern ippoolt *ip_address_pool; extern struct Tstats *_statistics; -extern int cli_pid; -struct cli_def *cli = NULL; -int cli_quit = 0; -extern int clifd, udpfd, tapfd, snoopfd, radfd, ifrfd, cluster_sockfd; -extern sessionidt *cli_session_kill; -extern tunnelidt *cli_tunnel_kill; -extern tbft *filter_buckets; -extern struct configt *config; -extern struct config_descriptt config_values[]; -extern char hostname[]; +static struct cli_def *cli = NULL; +extern configt *config; +extern config_descriptt config_values[]; #ifdef RINGBUFFER extern struct Tringbuffer *ringbuffer; #endif - -char *rcs_id = "$Id: cli.c,v 1.2 2004/03/05 00:09:03 fred_nerk Exp $"; - -char *debug_levels[] = { - "CRIT", - "ERROR", - "WARN", - "INFO", - "CALL", - "DATA", +extern struct cli_session_actions *cli_session_actions; +extern struct cli_tunnel_actions *cli_tunnel_actions; +extern tbft *filter_list; +extern ip_filtert *ip_filters; + +static char *debug_levels[] = { + "CRIT", + "ERROR", + "WARN", + "INFO", + "CALL", + "DATA", }; struct { - char critical; - char error; - char warning; - char info; - char calls; - char data; + char critical; + char error; + char warning; + char info; + char calls; + char data; } debug_flags; -int debug_session; -int debug_tunnel; -int debug_rb_tail; -FILE *save_config_fh; - -int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_show_tunnels(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_show_users(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_show_radius(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_show_counters(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_show_version(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_show_pool(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_show_run(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_show_banana(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_show_plugins(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_write_memory(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_clear_counters(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_drop_user(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_drop_tunnel(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_drop_session(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_no_snoop(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_no_throttle(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_debug(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_no_debug(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_watch_session(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_watch_tunnel(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_set(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_load_plugin(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_remove_plugin(struct cli_def *cli, char *command, char **argv, int argc); -int cmd_uptime(struct cli_def *cli, char *command, char **argv, int argc); -int regular_stuff(struct cli_def *cli); - -void init_cli() +static int debug_session; +static int debug_tunnel; +static int debug_rb_tail; + +static int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_tunnels(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_users(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_radius(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_counters(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_version(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_pool(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_run(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_banana(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_plugins(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_throttle(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_write_memory(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_clear_counters(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_drop_user(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_drop_tunnel(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_drop_session(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_no_snoop(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_no_throttle(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_debug(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_no_debug(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_set(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_load_plugin(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_remove_plugin(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_uptime(struct cli_def *cli, char *command, char **argv, int argc); + +static int regular_stuff(struct cli_def *cli); +static void parsemac(char *string, char mac[6]); + +#ifdef BGP +#define MODE_CONFIG_BGP 8 +static int cmd_router_bgp(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_router_bgp_neighbour(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_router_bgp_no_neighbour(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_bgp(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_no_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_restart_bgp(struct cli_def *cli, char *command, char **argv, int argc); +#endif /* BGP */ + +#define MODE_CONFIG_NACL 9 +static int cmd_ip_access_list(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_no_ip_access_list(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_ip_access_list_rule(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_filter(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_no_filter(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_access_list(struct cli_def *cli, char *command, char **argv, int argc); + +/* match if b is a substr of a */ +#define MATCH(a,b) (!strncmp((a), (b), strlen(b))) + +void init_cli(char *hostname) { - FILE *f; - char buf[4096]; - struct cli_command *c; - int on = 1; - struct sockaddr_in addr; - - cli = cli_init(); - - c = cli_register_command(cli, NULL, "show", NULL, NULL); - cli_register_command(cli, c, "session", cmd_show_session, "Show a list of sessions or details for a single session"); - cli_register_command(cli, c, "tunnels", cmd_show_tunnels, "Show a list of tunnels or details for a single tunnel"); - cli_register_command(cli, c, "users", cmd_show_users, "Show a list of all connected users"); - cli_register_command(cli, c, "version", cmd_show_version, "Show currently running software version"); - cli_register_command(cli, c, "banana", cmd_show_banana, "Show a banana"); - cli_register_command(cli, c, "pool", cmd_show_pool, "Show the IP address allocation pool"); - cli_register_command(cli, c, "running-config", cmd_show_run, "Show the currently running configuration"); - cli_register_command(cli, c, "radius", cmd_show_radius, "Show active radius queries"); - cli_register_command(cli, c, "plugins", cmd_show_plugins, "List all installed plugins"); + 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"); +#ifdef BGP + cli_register_command(cli, c, "bgp", cmd_show_bgp, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show BGP status"); +#endif /* BGP */ + cli_register_command(cli, c, "cluster", cmd_show_cluster, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show cluster information"); + cli_register_command(cli, c, "ipcache", cmd_show_ipcache, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show contents of the IP cache"); + 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_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"); + cli_register_command(cli, c, "tunnels", cmd_show_tunnels, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show a list of tunnels or details for a single tunnel"); + cli_register_command(cli, c, "users", cmd_show_users, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show a list of all connected users or details of selected user"); + cli_register_command(cli, c, "version", cmd_show_version, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show currently running software version"); + cli_register_command(cli, c, "access-list", cmd_show_access_list, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show named access-list"); + + c2 = cli_register_command(cli, c, "histogram", NULL, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, NULL); + cli_register_command(cli, c2, "idle", cmd_show_hist_idle, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show histogram of session idle times"); + cli_register_command(cli, c2, "open", cmd_show_hist_open, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show histogram of session durations"); #ifdef STATISTICS - cli_register_command(cli, c, "counters", cmd_show_counters, "Display all the internal counters and running totals"); + cli_register_command(cli, c, "counters", cmd_show_counters, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Display all the internal counters and running totals"); - c = cli_register_command(cli, NULL, "clear", NULL, NULL); - cli_register_command(cli, c, "counters", cmd_clear_counters, "Clear internal counters"); + c = cli_register_command(cli, NULL, "clear", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, NULL); + cli_register_command(cli, c, "counters", cmd_clear_counters, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Clear internal counters"); #endif - cli_register_command(cli, NULL, "uptime", cmd_uptime, "Show uptime and bandwidth utilisation"); - - c = cli_register_command(cli, NULL, "write", NULL, NULL); - cli_register_command(cli, c, "memory", cmd_write_memory, "Save the running config to flash"); - cli_register_command(cli, c, "terminal", cmd_show_run, "Show the running config"); - - cli_register_command(cli, NULL, "snoop", cmd_snoop, "Temporarily enable interception for a user"); - cli_register_command(cli, NULL, "throttle", cmd_throttle, "Temporarily enable throttling for a user"); - - c = cli_register_command(cli, NULL, "no", NULL, NULL); - cli_register_command(cli, c, "snoop", cmd_no_snoop, "Temporarily disable interception for a user"); - cli_register_command(cli, c, "throttle", cmd_no_throttle, "Temporarily disable throttling for a user"); - cli_register_command(cli, c, "debug", cmd_no_debug, "Turn off logging of a certain level of debugging"); - - c = cli_register_command(cli, NULL, "drop", NULL, NULL); - cli_register_command(cli, c, "user", cmd_drop_user, "Disconnect a user"); - cli_register_command(cli, c, "tunnel", cmd_drop_tunnel, "Disconnect a tunnel and all sessions on that tunnel"); - cli_register_command(cli, c, "session", cmd_drop_session, "Disconnect a session"); - - cli_register_command(cli, NULL, "debug", cmd_debug, "Set the level of logging that is shown on the console"); - - /* - c = cli_register_command(cli, NULL, "watch", NULL, NULL); - cli_register_command(cli, c, "session", cmd_watch_session, "Dump logs for a session"); - cli_register_command(cli, c, "tunnel", cmd_watch_tunnel, "Dump logs for a tunnel"); - */ - - c = cli_register_command(cli, NULL, "load", NULL, NULL); - cli_register_command(cli, c, "plugin", cmd_load_plugin, "Load a plugin"); - - c = cli_register_command(cli, NULL, "remove", NULL, NULL); - cli_register_command(cli, c, "plugin", cmd_remove_plugin, "Remove a plugin"); - - cli_register_command(cli, NULL, "set", cmd_set, "Set a configuration variable"); - - // Enable regular processing - cli_regular(cli, regular_stuff); - - if (!(f = fopen(CLIUSERS, "r"))) - { - log(0, 0, 0, 0, "WARNING! No users specified. Command-line access is open to all\n"); - } - else - { - while (fgets(buf, 4096, f)) - { - char *p; - if (*buf == '#') continue; - if ((p = strchr(buf, '\r'))) *p = 0; - if ((p = strchr(buf, '\n'))) *p = 0; - if (!*buf) continue; - if (!(p = strchr((char *)buf, ':'))) continue; - *p++ = 0; - cli_allow_user(cli, buf, p); - log(3, 0, 0, 0, "Allowing user %s to connect to the CLI\n", buf); - } - fclose(f); - } - - memset(&addr, 0, sizeof(addr)); - clifd = socket(PF_INET, SOCK_STREAM, 6); - setsockopt(clifd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)); - { - int flags; - // Set cli fd as non-blocking - flags = fcntl(clifd, F_GETFL, 0); - fcntl(clifd, F_SETFL, flags | O_NONBLOCK); - } - addr.sin_family = AF_INET; - addr.sin_port = htons(23); - if (bind(clifd, (void *) &addr, sizeof(addr)) < 0) - { - log(0, 0, 0, 0, "Error listening on cli port 23: %s\n", strerror(errno)); - return; - } - listen(clifd, 10); -} + cli_register_command(cli, NULL, "uptime", cmd_uptime, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show uptime and bandwidth utilisation"); -void cli_do(int sockfd) -{ - if (fork()) return; - - // Close sockets - if (udpfd) close(udpfd); udpfd = 0; - if (tapfd) close(tapfd); tapfd = 0; - if (snoopfd) close(snoopfd); snoopfd = 0; - if (radfd) close(radfd); radfd = 0; - if (ifrfd) close(ifrfd); ifrfd = 0; - if (cluster_sockfd) close(cluster_sockfd); cluster_sockfd = 0; - if (clifd) close(clifd); clifd = 0; - - signal(SIGPIPE, SIG_DFL); - signal(SIGCHLD, SIG_DFL); - signal(SIGHUP, SIG_DFL); - signal(SIGUSR1, SIG_DFL); - signal(SIGQUIT, SIG_DFL); - signal(SIGKILL, SIG_DFL); - signal(SIGALRM, SIG_DFL); - - log(3, 0, 0, 0, "Accepted connection to CLI\n"); - - debug_session = 0; - debug_tunnel = 0; -#ifdef RINGBUFFER - debug_rb_tail = ringbuffer->tail; -#endif - memset(&debug_flags, 0, sizeof(debug_flags)); - debug_flags.critical = 1; - - { - char prompt[1005]; - snprintf(prompt, 1005, "%s> ", hostname); - cli_loop(cli, sockfd, prompt); - } - - close(sockfd); - log(3, 0, 0, 0, "Closed CLI connection\n"); - exit(0); -} + 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"); + cli_register_command(cli, c, "terminal", cmd_show_run, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show the running config"); -void cli_print_log(struct cli_def *cli, char *string) -{ - log(3, 0, 0, 0, "%s\n", string); -} + cli_register_command(cli, NULL, "snoop", cmd_snoop, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Enable interception of a session"); + cli_register_command(cli, NULL, "throttle", cmd_throttle, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Enable throttling of a session"); + cli_register_command(cli, NULL, "filter", cmd_filter, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Add filtering to a session"); + cli_register_command(cli, NULL, "debug", cmd_debug, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Set the level of logging that is shown on the console"); -void cli_do_file(FILE *fh) -{ - log(3, 0, 0, 0, "Reading configuration file\n"); - cli_print_callback(cli, cli_print_log); - cli_file(cli, fh); - cli_print_callback(cli, NULL); -} +#ifdef BGP + c = cli_register_command(cli, NULL, "suspend", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, NULL); + cli_register_command(cli, c, "bgp", cmd_suspend_bgp, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Withdraw routes from BGP neighbour"); +#endif /* BGP */ -int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc) -{ - int i; - time_t time_now; + c = cli_register_command(cli, NULL, "no", NULL, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, NULL); + cli_register_command(cli, c, "snoop", cmd_no_snoop, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Disable interception of a session"); + cli_register_command(cli, c, "throttle", cmd_no_throttle, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Disable throttling of a session"); + cli_register_command(cli, c, "filter", cmd_no_filter, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Remove filtering from a session"); + cli_register_command(cli, c, "debug", cmd_no_debug, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Turn off logging of a certain level of debugging"); - time(&time_now); - if (argc > 0) - { - // Show individual session - for (i = 0; i < argc; i++) - { - unsigned int s; - s = atoi(argv[i]); - if (!s || s > MAXSESSION) - { - cli_print(cli, "Invalid session id \"%s\"", argv[i]); - continue; - } - cli_print(cli, "\r\nSession %d:", s); - cli_print(cli, " User: %s", session[s].user[0] ? session[s].user : "none"); - cli_print(cli, " Calling Num: %s", session[s].calling); - cli_print(cli, " Called Num: %s", session[s].called); - cli_print(cli, " Tunnel ID: %d", session[s].tunnel); - cli_print(cli, " IP address: %s", inet_toa(htonl(session[s].ip))); - cli_print(cli, " HSD sid: %lu", session[s].sid); - cli_print(cli, " Idle time: %u seconds", abs(time_now - session[s].last_packet)); - cli_print(cli, " Next Recv: %u", session[s].nr); - cli_print(cli, " Next Send: %u", session[s].ns); - cli_print(cli, " Bytes In/Out: %lu/%lu", (unsigned long)session[s].cin, (unsigned long)session[s].total_cout); - cli_print(cli, " Pkts In/Out: %lu/%lu", (unsigned long)session[s].pin, (unsigned long)session[s].pout); - cli_print(cli, " Radius Session: %u", session[s].radius); - cli_print(cli, " Rx Speed: %lu", session[s].rx_connect_speed); - cli_print(cli, " Tx Speed: %lu", session[s].tx_connect_speed); - cli_print(cli, " Intercepted: %s", session[s].snoop ? "YES" : "no"); - cli_print(cli, " Throttled: %s", session[s].throttle ? "YES" : "no"); - cli_print(cli, " Servicenet: %s", session[s].servicenet ? "YES" : "no"); - cli_print(cli, " Filter Bucket: %s", session[s].tbf ? filter_buckets[session[s].tbf].handle : "none"); - } - return CLI_OK; - } - - // Show Summary - cli_print(cli, " %s %4s %-32s %-15s %s %s %s %10s %10s %10s %4s %-15s %s", - "SID", - "TID", - "Username", - "IP", - "I", - "T", - "S", - "opened", - "downloaded", - "uploaded", - "idle", - "LAC", - "CLI"); - for (i = 1; i < MAXSESSION; i++) - { - char *userip, *tunnelip; - if (!session[i].opened) continue; - userip = strdup(inet_toa(htonl(session[i].ip))); - tunnelip = strdup(inet_toa(htonl(tunnel[ session[i].tunnel ].ip))); - cli_print(cli, "%5d %4d %-32s %-15s %s %s %s %10u %10lu %10lu %4u %-15s %s", - i, - session[i].tunnel, - session[i].user[0] ? session[i].user : "*", - userip, - (session[i].snoop) ? "Y" : "N", - (session[i].throttle) ? "Y" : "N", - (session[i].servicenet) ? "Y" : "N", - abs(time_now - (unsigned long)session[i].opened), - (unsigned long)session[i].total_cout, - (unsigned long)session[i].total_cin, - abs(time_now - (session[i].last_packet ? session[i].last_packet : time_now)), - tunnelip, - session[i].calling[0] ? session[i].calling : "*"); - if (userip) free(userip); - if (tunnelip) free(tunnelip); - } - return CLI_OK; -} +#ifdef BGP + c2 = cli_register_command(cli, c, "suspend", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, NULL); + cli_register_command(cli, c2, "bgp", cmd_no_suspend_bgp, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Advertise routes to BGP neighbour"); -int cmd_show_tunnels(struct cli_def *cli, char *command, char **argv, int argc) -{ - int i, x, show_all = 0; - time_t time_now; - char *states[] = { - "Free", - "Open", - "Closing", - "Opening", - }; - - time(&time_now); - if (argc > 0) - { - if (strcmp(argv[0], "all") == 0) - { - show_all = 1; + c = cli_register_command(cli, NULL, "restart", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, NULL); + cli_register_command(cli, c, "bgp", cmd_restart_bgp, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Restart BGP"); + + c = cli_register_command(cli, NULL, "router", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG, NULL); + cli_register_command(cli, c, "bgp", cmd_router_bgp, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Configure BGP"); + + cli_register_command(cli, NULL, "neighbour", cmd_router_bgp_neighbour, PRIVILEGE_PRIVILEGED, MODE_CONFIG_BGP, "Configure BGP neighbour"); + + c = cli_register_command(cli, NULL, "no", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG_BGP, NULL); + cli_register_command(cli, c, "neighbour", cmd_router_bgp_no_neighbour, PRIVILEGE_PRIVILEGED, MODE_CONFIG_BGP, "Remove BGP neighbour"); +#endif /* BGP */ + + c = cli_register_command(cli, NULL, "drop", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, NULL); + cli_register_command(cli, c, "user", cmd_drop_user, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Disconnect a user"); + cli_register_command(cli, c, "tunnel", cmd_drop_tunnel, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Disconnect a tunnel and all sessions on that tunnel"); + cli_register_command(cli, c, "session", cmd_drop_session, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Disconnect a session"); + + c = cli_register_command(cli, NULL, "load", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG, NULL); + cli_register_command(cli, c, "plugin", cmd_load_plugin, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Load a plugin"); + + c = cli_register_command(cli, NULL, "remove", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG, NULL); + cli_register_command(cli, c, "plugin", cmd_remove_plugin, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Remove a plugin"); + + cli_register_command(cli, NULL, "set", cmd_set, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Set a configuration variable"); + + c = cli_register_command(cli, NULL, "ip", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG, NULL); + cli_register_command(cli, c, "access-list", cmd_ip_access_list, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Add named access-list"); + + cli_register_command(cli, NULL, "permit", cmd_ip_access_list_rule, PRIVILEGE_PRIVILEGED, MODE_CONFIG_NACL, "Permit rule"); + cli_register_command(cli, NULL, "deny", cmd_ip_access_list_rule, PRIVILEGE_PRIVILEGED, MODE_CONFIG_NACL, "Deny rule"); + + c = cli_register_command(cli, NULL, "no", NULL, PRIVILEGE_UNPRIVILEGED, MODE_CONFIG, NULL); + c2 = cli_register_command(cli, c, "ip", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG, NULL); + cli_register_command(cli, c2, "access-list", cmd_no_ip_access_list, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Remove named access-list"); + + // Enable regular processing + cli_regular(cli, regular_stuff); + + if (!(f = fopen(CLIUSERS, "r"))) + { + LOG(0, 0, 0, "WARNING! No users specified. Command-line access is open to all\n"); } else { - // Show individual tunnel - for (i = 0; i < argc; i++) - { - char s[65535] = {0}; - unsigned int t; - t = atoi(argv[i]); - if (!t || t > MAXTUNNEL) - { - cli_print(cli, "Invalid tunnel id \"%s\"", argv[i]); - continue; - } - cli_print(cli, "\r\nTunnel %d:", t); - cli_print(cli, " State: %s", states[tunnel[t].state]); - cli_print(cli, " Hostname: %s", tunnel[t].hostname[0] ? tunnel[t].hostname : "(none)"); - cli_print(cli, " Remote IP: %s", inet_toa(htonl(tunnel[t].ip))); - cli_print(cli, " Remote Port: %d", tunnel[t].port); - cli_print(cli, " Rx Window: %u", tunnel[t].window); - cli_print(cli, " Next Recv: %u", tunnel[t].nr); - cli_print(cli, " Next Send: %u", tunnel[t].ns); - cli_print(cli, " Queue Len: %u", tunnel[t].controlc); - cli_print(cli, " Last Packet Age:%u", (unsigned)(time_now - tunnel[t].last)); - - for (x = 0; x < MAXSESSION; x++) - if (session[x].tunnel == t && session[x].opened && !session[x].die) - sprintf(s, "%s%u ", s, x); - cli_print(cli, " Sessions: %s", s); - } - return CLI_OK; - } - } - - // Show tunnel summary - cli_print(cli, "%s %s %s %s %s", - "TID", - "Hostname", - "IP", - "State", - "Sessions"); - for (i = 1; i < MAXTUNNEL; i++) - { - int sessions = 0; - if (!show_all && (!tunnel[i].ip || tunnel[i].die || !tunnel[i].hostname[0])) continue; - - for (x = 0; x < MAXSESSION; x++) if (session[x].tunnel == i && session[x].opened && !session[x].die) sessions++; - cli_print(cli, "%d %s %s %s %d", - i, - *tunnel[i].hostname ? tunnel[i].hostname : "(null)", - inet_toa(htonl(tunnel[i].ip)), - states[tunnel[i].state], - sessions); - } - return CLI_OK; -} - -int cmd_show_users(struct cli_def *cli, char *command, char **argv, int argc) -{ - int i; - for (i = 0; i < MAXSESSION; i++) - { - if (!session[i].opened) continue; - if (!session[i].user[0]) continue; - cli_print(cli, "%s", - session[i].user); - } - return CLI_OK; -} - -int cmd_show_counters(struct cli_def *cli, char *command, char **argv, int argc) -{ - cli_print(cli, "%-10s %-8s %-10s %-8s", "Ethernet", "Bytes", "Packets", "Errors"); - cli_print(cli, "%-10s %8lu %8lu %8lu", "RX", - GET_STAT(tap_rx_bytes), - GET_STAT(tap_rx_packets), - GET_STAT(tap_rx_errors)); - cli_print(cli, "%-10s %8lu %8lu %8lu", "TX", - GET_STAT(tap_tx_bytes), - GET_STAT(tap_tx_packets), - GET_STAT(tap_tx_errors)); - cli_print(cli, ""); - - cli_print(cli, "%-10s %-8s %-10s %-8s %-8s", "Tunnel", "Bytes", "Packets", "Errors", "Retries"); - cli_print(cli, "%-10s %8lu %8lu %8lu %8lu", "RX", - GET_STAT(tunnel_rx_bytes), - GET_STAT(tunnel_rx_packets), - GET_STAT(tunnel_rx_errors), - 0L); - cli_print(cli, "%-10s %8lu %8lu %8lu %8lu", "TX", - GET_STAT(tunnel_tx_bytes), - GET_STAT(tunnel_tx_packets), - GET_STAT(tunnel_rx_errors), - GET_STAT(tunnel_retries)); - cli_print(cli, ""); - - cli_print(cli, "%-30s%-10s", "Counter", "Value"); - cli_print(cli, "-----------------------------------------"); - cli_print(cli, "%-30s%lu", "radius_retries", GET_STAT(radius_retries)); - cli_print(cli, "%-30s%lu", "arp_errors", GET_STAT(arp_errors)); - cli_print(cli, "%-30s%lu", "arp_replies", GET_STAT(arp_replies)); - cli_print(cli, "%-30s%lu", "arp_discarded", GET_STAT(arp_discarded)); - cli_print(cli, "%-30s%lu", "arp_sent", GET_STAT(arp_sent)); - cli_print(cli, "%-30s%lu", "arp_recv", GET_STAT(arp_recv)); - cli_print(cli, "%-30s%lu", "packets_snooped", GET_STAT(packets_snooped)); - cli_print(cli, "%-30s%lu", "tunnel_created", GET_STAT(tunnel_created)); - cli_print(cli, "%-30s%lu", "session_created", GET_STAT(session_created)); - cli_print(cli, "%-30s%lu", "tunnel_timeout", GET_STAT(tunnel_timeout)); - cli_print(cli, "%-30s%lu", "session_timeout", GET_STAT(session_timeout)); - cli_print(cli, "%-30s%lu", "radius_timeout", GET_STAT(radius_timeout)); - cli_print(cli, "%-30s%lu", "radius_overflow", GET_STAT(radius_overflow)); - cli_print(cli, "%-30s%lu", "tunnel_overflow", GET_STAT(tunnel_overflow)); - cli_print(cli, "%-30s%lu", "session_overflow", GET_STAT(session_overflow)); - cli_print(cli, "%-30s%lu", "ip_allocated", GET_STAT(ip_allocated)); - cli_print(cli, "%-30s%lu", "ip_freed", GET_STAT(ip_freed)); - -#ifdef STAT_CALLS - cli_print(cli, "\n%-30s%-10s", "Counter", "Value"); - cli_print(cli, "-----------------------------------------"); - cli_print(cli, "%-30s%lu", "call_processtap", GET_STAT(call_processtap)); - cli_print(cli, "%-30s%lu", "call_processarp", GET_STAT(call_processarp)); - cli_print(cli, "%-30s%lu", "call_processipout", GET_STAT(call_processipout)); - cli_print(cli, "%-30s%lu", "call_processudp", GET_STAT(call_processudp)); - cli_print(cli, "%-30s%lu", "call_processpap", GET_STAT(call_processpap)); - cli_print(cli, "%-30s%lu", "call_processchap", GET_STAT(call_processchap)); - cli_print(cli, "%-30s%lu", "call_processlcp", GET_STAT(call_processlcp)); - cli_print(cli, "%-30s%lu", "call_processipcp", GET_STAT(call_processipcp)); - cli_print(cli, "%-30s%lu", "call_processipin", GET_STAT(call_processipin)); - cli_print(cli, "%-30s%lu", "call_processccp", GET_STAT(call_processccp)); - cli_print(cli, "%-30s%lu", "call_processrad", GET_STAT(call_processrad)); - cli_print(cli, "%-30s%lu", "call_sendarp", GET_STAT(call_sendarp)); - cli_print(cli, "%-30s%lu", "call_sendipcp", GET_STAT(call_sendipcp)); - cli_print(cli, "%-30s%lu", "call_sendchap", GET_STAT(call_sendchap)); - cli_print(cli, "%-30s%lu", "call_sessionbyip", GET_STAT(call_sessionbyip)); - cli_print(cli, "%-30s%lu", "call_sessionbyuser", GET_STAT(call_sessionbyuser)); - cli_print(cli, "%-30s%lu", "call_tunnelsend", GET_STAT(call_tunnelsend)); - cli_print(cli, "%-30s%lu", "call_tunnelkill", GET_STAT(call_tunnelkill)); - cli_print(cli, "%-30s%lu", "call_tunnelshutdown", GET_STAT(call_tunnelshutdown)); - cli_print(cli, "%-30s%lu", "call_sessionkill", GET_STAT(call_sessionkill)); - cli_print(cli, "%-30s%lu", "call_sessionshutdown", GET_STAT(call_sessionshutdown)); - cli_print(cli, "%-30s%lu", "call_sessionsetup", GET_STAT(call_sessionsetup)); - cli_print(cli, "%-30s%lu", "call_assign_ip_address",GET_STAT(call_assign_ip_address)); - cli_print(cli, "%-30s%lu", "call_free_ip_address", GET_STAT(call_free_ip_address)); - cli_print(cli, "%-30s%lu", "call_dump_acct_info", GET_STAT(call_dump_acct_info)); - cli_print(cli, "%-30s%lu", "call_radiussend", GET_STAT(call_radiussend)); - cli_print(cli, "%-30s%lu", "call_radiusretry", GET_STAT(call_radiusretry)); -#endif - return CLI_OK; -} + while (fgets(buf, 4096, f)) + { + char *p; + if (*buf == '#') continue; + if ((p = strchr(buf, '\r'))) *p = 0; + if ((p = strchr(buf, '\n'))) *p = 0; + if (!*buf) continue; + if (!(p = strchr((char *)buf, ':'))) continue; + *p++ = 0; + if (!strcmp(buf, "enable")) + { + cli_allow_enable(cli, p); + LOG(3, 0, 0, "Setting enable password\n"); + } + else + { + cli_allow_user(cli, buf, p); + LOG(3, 0, 0, "Allowing user %s to connect to the CLI\n", buf); + } + } + fclose(f); + } -int cmd_show_version(struct cli_def *cli, char *command, char **argv, int argc) -{ - cli_print(cli, "L2TPNS %s", VERSION); - cli_print(cli, "ID: %s", rcs_id); - return CLI_OK; + memset(&addr, 0, sizeof(addr)); + clifd = socket(PF_INET, SOCK_STREAM, 6); + setsockopt(clifd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)); + { + int flags; + // Set cli fd as non-blocking + flags = fcntl(clifd, F_GETFL, 0); + fcntl(clifd, F_SETFL, flags | O_NONBLOCK); + } + addr.sin_family = AF_INET; + addr.sin_port = htons(23); + if (bind(clifd, (void *) &addr, sizeof(addr)) < 0) + { + LOG(0, 0, 0, "Error listening on cli port 23: %s\n", strerror(errno)); + return; + } + listen(clifd, 10); } -int cmd_show_pool(struct cli_def *cli, char *command, char **argv, int argc) +void cli_do(int sockfd) { - int i; - int used = 0, free = 0, show_all = 0; - time_t time_now; + int require_auth = 1; + struct sockaddr_in addr; + int l = sizeof(addr); - if (argc > 0 && strcmp(argv[0], "all") == 0) - show_all = 1; - - time(&time_now); - cli_print(cli, "%-15s %4s %8s %s", "IP Address", "Used", "Session", "User"); - for (i = 0; i < MAXIPPOOL; i++) - { - if (!ip_address_pool[i].address) continue; - if (ip_address_pool[i].assigned) + if (fork_and_close()) return; + if (getpeername(sockfd, (struct sockaddr *)&addr, &l) == 0) { - sessionidt s = sessionbyip(ip_address_pool[i].address); - cli_print(cli, "%-15s Y %8d %s", - inet_toa(ip_address_pool[i].address), s, session[s].user); + 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)); - used++; + if (require_auth) + { + LOG(3, 0, 0, "CLI is remote, requiring authentication\n"); + if (!cli->users) /* paranoia */ + { + LOG(0, 0, 0, "No users for remote authentication! Exiting CLI\n"); + exit(0); + } } else { - if (ip_address_pool[i].last) - cli_print(cli, "%-15s N %8s [%s] %ds", - inet_toa(ip_address_pool[i].address), "", - ip_address_pool[i].user, time_now - ip_address_pool[i].last); - else if (show_all) - cli_print(cli, "%-15s N", inet_toa(ip_address_pool[i].address)); - - free++; + /* no username/pass required */ + cli->users = 0; } - } - if (!show_all) - cli_print(cli, "(Not displaying unused addresses)"); + debug_session = 0; + debug_tunnel = 0; +#ifdef RINGBUFFER + debug_rb_tail = ringbuffer->tail; +#endif + memset(&debug_flags, 0, sizeof(debug_flags)); + debug_flags.critical = 1; + + cli_loop(cli, sockfd); - cli_print(cli, "\r\nFree: %d\r\nUsed: %d", free, used); - return CLI_OK; + close(sockfd); + LOG(require_auth ? 3 : 4, 0, 0, "Closed CLI connection from %s\n", + fmtaddr(addr.sin_addr.s_addr, 0)); + + exit(0); } -void print_save_config(struct cli_def *cli, char *string) +static void cli_print_log(struct cli_def *cli, char *string) { - if (save_config_fh) - fprintf(save_config_fh, "%s\n", string); + LOG(3, 0, 0, "%s\n", string); } -int cmd_write_memory(struct cli_def *cli, char *command, char **argv, int argc) +void cli_do_file(FILE *fh) { - if ((save_config_fh = fopen(config->config_file, "w"))) - { - cli_print(cli, "Writing configuration"); - cli_print_callback(cli, print_save_config); - cmd_show_run(cli, command, argv, argc); + LOG(3, 0, 0, "Reading configuration file\n"); + cli_print_callback(cli, cli_print_log); + cli_file(cli, fh, PRIVILEGE_PRIVILEGED, MODE_CONFIG); cli_print_callback(cli, NULL); - fclose(save_config_fh); - sleep(1); - } - else - { - cli_print(cli, "Error writing configuration: %s", strerror(errno)); - } - return CLI_OK; } -int cmd_show_run(struct cli_def *cli, char *command, char **argv, int argc) +int cli_arg_help(struct cli_def *cli, int cr_ok, char *entry, ...) { - int i; - - cli_print(cli, "# Current configuration:"); - - for (i = 0; config_values[i].key; i++) - { - 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, inet_toa(*(unsigned *)value)); - else if (config_values[i].type == SHORT) - cli_print(cli, "set %s %hu", config_values[i].key, *(short *)value); - else if (config_values[i].type == BOOL) - 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); - else if (config_values[i].type == UNSIGNED_LONG) - cli_print(cli, "set %s %lu", config_values[i].key, *(unsigned long *)value); - } - - cli_print(cli, "# Plugins"); - for (i = 0; i < MAXPLUGINS; i++) - { - if (*config->plugins[i]) - { - cli_print(cli, "load plugin \"%s\"", config->plugins[i]); - } - } - - cli_print(cli, "# end"); - return CLI_OK; -} + va_list ap; + char *desc; + char buf[16]; + char *p; -int cmd_show_radius(struct cli_def *cli, char *command, char **argv, int argc) -{ - char *states[] = { - "NULL", - "CHAP", - "AUTH", - "IPCP", - "START", - "STOP", - "WAIT", - }; - int i, free = 0, used = 0, show_all = 0; - time_t time_now; - - cli_print(cli, "%6s%6s%9s%9s%4s", "Radius", "State", "Session", "Retry", "Try"); - - time(&time_now); - - if (argc > 0 && strcmp(argv[0], "all") == 0) - show_all = 1; - - for (i = 1; i < MAXRADIUS; i++) - { - if (radius[i].state == RADIUSNULL) - free++; - else - used++; + va_start(ap, entry); + while (entry) + { + /* allow one %d */ + if ((p = strchr(entry, '%')) && !strchr(p+1, '%') && p[1] == 'd') + { + int v = va_arg(ap, int); + snprintf(buf, sizeof(buf), entry, v); + p = buf; + } + else + p = entry; - if (!show_all && radius[i].state == RADIUSNULL) continue; + desc = va_arg(ap, char *); + if (desc && *desc) + cli_error(cli, " %-20s %s", p, desc); + else + cli_error(cli, " %s", p); - cli_print(cli, "%6d%6s%9d%9u%4d", - i, - states[radius[i].state], - radius[i].session, - radius[i].retry, - radius[i].try); - } + entry = desc ? va_arg(ap, char *) : 0; + } - cli_print(cli, "\r\nFree: %d\r\nUsed: %d", free, used); + va_end(ap); + if (cr_ok) + cli_error(cli, " "); - return CLI_OK; + return CLI_OK; } -int cmd_show_plugins(struct cli_def *cli, char *command, char **argv, int argc) +static int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc) { - int i; - cli_print(cli, "Plugins currently loaded:"); - for (i = 0; i < MAXPLUGINS; i++) - { - if (*config->plugins[i]) + int i; + + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, 1, + "<1-%d>", MAXSESSION-1, "Show specific session by id", + NULL); + + time(&time_now); + if (argc > 0) { - cli_print(cli, " %s", config->plugins[i]); - } - } - return CLI_OK; -} + // Show individual session + for (i = 0; i < argc; i++) + { + unsigned int s, b_in, b_out; + s = atoi(argv[i]); + if (s <= 0 || s >= MAXSESSION) + { + cli_print(cli, "Invalid session id \"%s\"", argv[i]); + continue; + } + cli_print(cli, "\r\nSession %d:", s); + cli_print(cli, "\tUser:\t\t%s", session[s].user[0] ? session[s].user : "none"); + cli_print(cli, "\tCalling Num:\t%s", session[s].calling); + cli_print(cli, "\tCalled Num:\t%s", session[s].called); + cli_print(cli, "\tTunnel ID:\t%d", session[s].tunnel); + cli_print(cli, "\tIP address:\t%s", fmtaddr(htonl(session[s].ip), 0)); + cli_print(cli, "\tUnique SID:\t%u", session[s].unique_id); + cli_print(cli, "\tOpened:\t\t%u seconds", abs(time_now - session[s].opened)); + cli_print(cli, "\tIdle time:\t%u seconds", abs(time_now - session[s].last_packet)); + cli_print(cli, "\tNext Recv:\t%u", session[s].nr); + cli_print(cli, "\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, "\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, "\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) + cli_print(cli, "\tFilter in:\t%u (%s)", session[s].filter_in, ip_filters[session[s].filter_in - 1].name); + if (session[s].filter_out && session[s].filter_out <= MAXFILTER) + cli_print(cli, "\tFilter out:\t%u (%s)", session[s].filter_out, ip_filters[session[s].filter_out - 1].name); + if (session[s].snoop_ip && session[s].snoop_port) + cli_print(cli, "\tIntercepted:\t%s:%d", fmtaddr(session[s].snoop_ip, 0), session[s] .snoop_port); + else + cli_print(cli, "\tIntercepted:\tno"); + + cli_print(cli, "\tWalled Garden:\t%s", session[s].walled_garden ? "YES" : "no"); + { + int t = (session[s].throttle_in || session[s].throttle_out); + cli_print(cli, "\tThrottled:\t%s%s%.0d%s%s%.0d%s%s", + t ? "YES" : "no", t ? " (" : "", + session[s].throttle_in, session[s].throttle_in ? "kbps" : t ? "-" : "", + t ? "/" : "", + session[s].throttle_out, session[s].throttle_out ? "kbps" : t ? "-" : "", + t ? ")" : ""); + } + + b_in = session[s].tbf_in; + b_out = session[s].tbf_out; + if (b_in || b_out) + cli_print(cli, "\t\t\t%5s %6s %6s | %7s %7s %8s %8s %8s %8s", + "Rate", "Credit", "Queued", "ByteIn", "PackIn", + "ByteSent", "PackSent", "PackDrop", "PackDelay"); + + if (b_in) + cli_print(cli, "\tTBFI#%d%1s%s\t%5d %6d %6d | %7d %7d %8d %8d %8d %8d", + b_in, + (filter_list[b_in].next ? "*" : " "), + (b_in < 100 ? "\t" : ""), + filter_list[b_in].rate * 8, + filter_list[b_in].credit, + filter_list[b_in].queued, + filter_list[b_in].b_queued, + filter_list[b_in].p_queued, + filter_list[b_in].b_sent, + filter_list[b_in].p_sent, + filter_list[b_in].p_dropped, + filter_list[b_in].p_delayed); + + if (b_out) + cli_print(cli, "\tTBFO#%d%1s%s\t%5d %6d %6d | %7d %7d %8d %8d %8d %8d", + b_out, + (filter_list[b_out].next ? "*" : " "), + (b_out < 100 ? "\t" : ""), + filter_list[b_out].rate * 8, + filter_list[b_out].credit, + filter_list[b_out].queued, + filter_list[b_out].b_queued, + filter_list[b_out].p_queued, + filter_list[b_out].b_sent, + filter_list[b_out].p_sent, + filter_list[b_out].p_dropped, + filter_list[b_out].p_delayed); -int cmd_show_banana(struct cli_def *cli, char *command, char **argv, int argc) -{ - cli_print(cli, " _\n" - "//\\\n" - "V \\\n" - " \\ \\_\n" - " \\,'.`-.\n" - " |\\ `. `.\n" - " ( \\ `. `-. _,.-:\\\n" - " \\ \\ `. `-._ __..--' ,-';/\n" - " \\ `. `-. `-..___..---' _.--' ,'/\n" - " `. `. `-._ __..--' ,' /\n" - " `. `-_ ``--..'' _.-' ,'\n" - " `-_ `-.___ __,--' ,'\n" - " `-.__ `----\"\"\" __.-'\n" - "hh `--..____..--'"); - - return CLI_OK; -} + } + return CLI_OK; + } -int cmd_clear_counters(struct cli_def *cli, char *command, char **argv, int argc) -{ - cli_print(cli, "Counters cleared"); - SET_STAT(last_reset, time(NULL)); - return CLI_OK; + // Show Summary + cli_print(cli, "%5s %4s %-32s %-15s %s %s %s %s %10s %10s %10s %4s %-15s %s", + "SID", + "TID", + "Username", + "IP", + "I", + "T", + "G", + "6", + "opened", + "downloaded", + "uploaded", + "idle", + "LAC", + "CLI"); + + for (i = 1; i < MAXSESSION; i++) + { + if (!session[i].opened) continue; + 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 : "*", + fmtaddr(htonl(session[i].ip), 0), + (session[i].snoop_ip && session[i].snoop_port) ? "Y" : "N", + (session[i].throttle_in || session[i].throttle_out) ? "Y" : "N", + (session[i].walled_garden) ? "Y" : "N", + (session[i].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, + 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 : "*"); + } + return CLI_OK; } -int cmd_drop_user(struct cli_def *cli, char *command, char **argv, int argc) +static int cmd_show_tunnels(struct cli_def *cli, char *command, char **argv, int argc) { - int i; - sessionidt s; - - if (!argc) - { - cli_print(cli, "Specify a user to drop"); - return CLI_OK; - } - for (i = 0; i < argc; i++) - { - if (strchr(argv[i], '?')) + int i, x, show_all = 0; + char *states[] = { + "Free", + "Open", + "Closing", + "Opening", + }; + + if (CLI_HELP_REQUESTED) { - cli_print(cli, "username ..."); - return CLI_OK; + if (argc > 1) + return cli_arg_help(cli, 1, + "<1-%d>", MAXTUNNEL-1, "Show specific tunnel by id", + NULL); + + return cli_arg_help(cli, 1, + "all", "Show all tunnels, including unused", + "<1-%d>", MAXTUNNEL-1, "Show specific tunnel by id", + NULL); } - } - for (i = 0; i < argc; i++) - { - if (!(s = sessionbyuser(argv[i]))) + time(&time_now); + if (argc > 0) { - cli_print(cli, "User %s is not connected", argv[i]); - continue; + if (strcmp(argv[0], "all") == 0) + { + show_all = 1; + } + else + { + // Show individual tunnel + for (i = 0; i < argc; i++) + { + char s[65535] = {0}; + unsigned int t; + t = atoi(argv[i]); + if (t <= 0 || t >= MAXTUNNEL) + { + cli_print(cli, "Invalid tunnel id \"%s\"", argv[i]); + continue; + } + cli_print(cli, "\r\nTunnel %d:", t); + cli_print(cli, "\tState:\t\t%s", states[tunnel[t].state]); + cli_print(cli, "\tHostname:\t%s", tunnel[t].hostname[0] ? tunnel[t].hostname : "(none)"); + cli_print(cli, "\tRemote IP:\t%s", fmtaddr(htonl(tunnel[t].ip), 0)); + cli_print(cli, "\tRemote Port:\t%d", tunnel[t].port); + cli_print(cli, "\tRx Window:\t%u", tunnel[t].window); + cli_print(cli, "\tNext Recv:\t%u", tunnel[t].nr); + cli_print(cli, "\tNext Send:\t%u", tunnel[t].ns); + cli_print(cli, "\tQueue Len:\t%u", tunnel[t].controlc); + cli_print(cli, "\tLast Packet Age:%u", (unsigned)(time_now - tunnel[t].last)); + + for (x = 0; x < MAXSESSION; x++) + if (session[x].tunnel == t && session[x].opened && !session[x].die) + sprintf(s, "%s%u ", s, x); + + cli_print(cli, "\tSessions:\t%s", s); + } + return CLI_OK; + } } - if (session[s].ip && session[s].opened && !session[s].die) + // Show tunnel summary + cli_print(cli, "%4s %20s %20s %6s %s", + "TID", + "Hostname", + "IP", + "State", + "Sessions"); + + for (i = 1; i < MAXTUNNEL; i++) { - int x; + int sessions = 0; + if (!show_all && (!tunnel[i].ip || tunnel[i].die)) continue; + + for (x = 0; x < MAXSESSION; x++) if (session[x].tunnel == i && session[x].opened && !session[x].die) sessions++; + cli_print(cli, "%4d %20s %20s %6s %6d", + i, + *tunnel[i].hostname ? tunnel[i].hostname : "(null)", + fmtaddr(htonl(tunnel[i].ip), 0), + states[tunnel[i].state], + sessions); + } + + return CLI_OK; +} - cli_print(cli, "Dropping user %s", session[s].user); - for (x = 0; x < MAXSESSION; x++) - { - if (!cli_session_kill[x]) +static int cmd_show_users(struct cli_def *cli, char *command, char **argv, int argc) +{ + char sid[32][8]; + char *sargv[32]; + int sargc = 0; + int i; + + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, 1, + "USER", "Show details for specific username", + NULL); + + for (i = 0; i < MAXSESSION; i++) + { + if (!session[i].opened) continue; + if (!session[i].user[0]) continue; + if (argc > 0) { - cli_session_kill[x] = s; - break; + int j; + for (j = 0; j < argc && sargc < 32; j++) + { + if (strcmp(argv[j], session[i].user) == 0) + { + snprintf(sid[sargc], sizeof(sid[0]), "%d", i); + sargv[sargc] = sid[sargc]; + sargc++; + } + } + + continue; } - } + + cli_print(cli, "%s", session[i].user); } - } - return CLI_OK; + if (sargc > 0) + return cmd_show_session(cli, "users", sargv, sargc); + + return CLI_OK; } -int cmd_drop_tunnel(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) { - int i; - tunnelidt tid; + if (CLI_HELP_REQUESTED) + return CLI_HELP_NO_ARGS; + + 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), + 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, ""); - if (!argc) - { - cli_print(cli, "Specify a tunnel to drop"); - return CLI_OK; - } - for (i = 0; i < argc; i++) - { - if (strchr(argv[i], '?')) - { - cli_print(cli, "tunnel_id ..."); - return CLI_OK; - } - } + 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 %10u %10u %10u %10u", "TX", + GET_STAT(tunnel_tx_bytes), + GET_STAT(tunnel_tx_packets), + GET_STAT(tunnel_tx_errors), + GET_STAT(tunnel_retries)); + cli_print(cli, ""); - for (i = 0; i < argc; i++) - { - int x; + cli_print(cli, "%-30s%-10s", "Counter", "Value"); + cli_print(cli, "-----------------------------------------"); + cli_print(cli, "%-30s%u", "radius_retries", GET_STAT(radius_retries)); + cli_print(cli, "%-30s%u", "arp_sent", GET_STAT(arp_sent)); + cli_print(cli, "%-30s%u", "packets_snooped", GET_STAT(packets_snooped)); + cli_print(cli, "%-30s%u", "tunnel_created", GET_STAT(tunnel_created)); + cli_print(cli, "%-30s%u", "session_created", GET_STAT(session_created)); + cli_print(cli, "%-30s%u", "tunnel_timeout", GET_STAT(tunnel_timeout)); + cli_print(cli, "%-30s%u", "session_timeout", GET_STAT(session_timeout)); + cli_print(cli, "%-30s%u", "radius_timeout", GET_STAT(radius_timeout)); + cli_print(cli, "%-30s%u", "radius_overflow", GET_STAT(radius_overflow)); + cli_print(cli, "%-30s%u", "tunnel_overflow", GET_STAT(tunnel_overflow)); + cli_print(cli, "%-30s%u", "session_overflow", GET_STAT(session_overflow)); + cli_print(cli, "%-30s%u", "ip_allocated", GET_STAT(ip_allocated)); + cli_print(cli, "%-30s%u", "ip_freed", GET_STAT(ip_freed)); + 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", "multi_read_used", GET_STAT(multi_read_used)); + cli_print(cli, "%-30s%u", "multi_read_exceeded", GET_STAT(multi_read_exceeded)); - if ((tid = atol(argv[i])) <= 0 || (tid > MAXTUNNEL)) - { - cli_print(cli, "Invalid tunnel ID (%d - %d)", 0, MAXTUNNEL); - continue; - } - if (!tunnel[tid].ip) +#ifdef STATISTICS + 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)); + cli_print(cli, "%-30s%u", "call_tunnelshutdown", GET_STAT(call_tunnelshutdown)); + cli_print(cli, "%-30s%u", "call_sessionkill", GET_STAT(call_sessionkill)); + cli_print(cli, "%-30s%u", "call_sessionshutdown", GET_STAT(call_sessionshutdown)); + cli_print(cli, "%-30s%u", "call_sessionsetup", GET_STAT(call_sessionsetup)); + cli_print(cli, "%-30s%u", "call_assign_ip_address", GET_STAT(call_assign_ip_address)); + cli_print(cli, "%-30s%u", "call_free_ip_address", GET_STAT(call_free_ip_address)); + 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)); + cli_print(cli, "%-30s%u", "call_random_data", GET_STAT(call_random_data)); +#endif + { - cli_print(cli, "Tunnel %d is not connected", tid); - continue; + 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); } - if (tunnel[tid].die) + return CLI_OK; +} + +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++; + + cli_print(cli, "L2TPNS %s", VERSION); + if (tag) { - cli_print(cli, "Tunnel %d is already being shut down", tid); - continue; - } + char const *p = strchr(cvs_name, ':'); + char const *e; + if (p) + { + p++; + while (isspace(*p)) + p++; + } + + if (!p || *p == '$') + p = "HEAD"; - for (x = 0; x < MAXTUNNEL; x++) + e = strpbrk(p, " \t$"); + cli_print(cli, "Tag: %.*s", (int) (e ? e - p + 1 : strlen(p)), p); + } + + if (file) { - if (!cli_tunnel_kill[x]) - { - cli_tunnel_kill[x] = tid; - cli_print(cli, "Tunnel %d shut down (%s)", tid, tunnel[tid].hostname); - break; - } + 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_md5); + 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; + return CLI_OK; } -int cmd_drop_session(struct cli_def *cli, char *command, char **argv, int argc) +static int cmd_show_pool(struct cli_def *cli, char *command, char **argv, int argc) { - int i; - sessionidt s; + int i; + int used = 0, free = 0, show_all = 0; - if (!argc) - { - cli_print(cli, "Specify a session id to drop"); - return CLI_OK; - } - for (i = 0; i < argc; i++) - { - if (strchr(argv[i], '?')) + if (!config->cluster_iam_master) { - cli_print(cli, "session_id ..."); - return CLI_OK; + cli_print(cli, "Can't do this on a slave. Do it on %s", + fmtaddr(config->cluster_master_address, 0)); + + return CLI_OK; } - } - for (i = 0; i < argc; i++) - { - if ((s = atol(argv[i])) <= 0 || (s > MAXSESSION)) + if (CLI_HELP_REQUESTED) { - cli_print(cli, "Invalid session ID (%d - %d)", 0, MAXSESSION); - continue; + if (argc > 1) + return cli_arg_help(cli, 1, NULL); + + return cli_arg_help(cli, 1, + "all", "Show all pool addresses, including unused", + NULL); } - if (session[s].opened && !session[s].die) + if (argc > 0 && strcmp(argv[0], "all") == 0) + show_all = 1; + + time(&time_now); + cli_print(cli, "%-15s %4s %8s %s", "IP Address", "Used", "Session", "User"); + for (i = 0; i < MAXIPPOOL; i++) { - int x; - for (x = 0; x < MAXSESSION; x++) - { - if (!cli_session_kill[x]) + if (!ip_address_pool[i].address) continue; + if (ip_address_pool[i].assigned) { - cli_session_kill[x] = s; - break; + cli_print(cli, "%-15s\tY %8d %s", + fmtaddr(htonl(ip_address_pool[i].address), 0), + ip_address_pool[i].session, + session[ip_address_pool[i].session].user); + + used++; + } + else + { + if (ip_address_pool[i].last) + cli_print(cli, "%-15s\tN %8s [%s] %ds", + fmtaddr(htonl(ip_address_pool[i].address), 0), "", + ip_address_pool[i].user, (int) time_now - ip_address_pool[i].last); + + else if (show_all) + cli_print(cli, "%-15s\tN", fmtaddr(htonl(ip_address_pool[i].address), 0)); + + free++; } - } - cli_print(cli, "Dropping session %d", s); - } - else - { - cli_print(cli, "Session %d is not active.", s); } - } - return CLI_OK; + if (!show_all) + cli_print(cli, "(Not displaying unused addresses)"); + + cli_print(cli, "\r\nFree: %d\r\nUsed: %d", free, used); + return CLI_OK; +} + +static FILE *save_config_fh = 0; +static void print_save_config(struct cli_def *cli, char *string) +{ + if (save_config_fh) + fprintf(save_config_fh, "%s\n", string); } -int cmd_snoop(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) { - int i; - sessionidt s; + if (CLI_HELP_REQUESTED) + return CLI_HELP_NO_ARGS; - if (!argc) - { - cli_print(cli, "Specify a user"); - return CLI_OK; - } - for (i = 0; i < argc; i++) - { - if (strchr(argv[i], '?')) + if ((save_config_fh = fopen(config->config_file, "w"))) { - cli_print(cli, "username ..."); - return CLI_OK; + cli_print(cli, "Writing configuration"); + cli_print_callback(cli, print_save_config); + cmd_show_run(cli, command, argv, argc); + cli_print_callback(cli, NULL); + fclose(save_config_fh); + save_config_fh = 0; } - } - - for (i = 0; i < argc; i++) - { - if (!(s = sessionbyuser(argv[i]))) + else { - cli_print(cli, "User %s is not connected", argv[i]); - continue; + cli_error(cli, "Error writing configuration: %s", strerror(errno)); } - session[s].snoop = 1; - - cli_print(cli, "Snooping user %s", argv[i]); - } - return CLI_OK; + return CLI_OK; } -int cmd_no_snoop(struct cli_def *cli, char *command, char **argv, int argc) +static char const *show_access_list_rule(int extended, ip_filter_rulet *rule); + +static int cmd_show_run(struct cli_def *cli, char *command, char **argv, int argc) { - int i; - sessionidt s; + int i; + char ipv6addr[INET6_ADDRSTRLEN]; - if (!argc) - { - cli_print(cli, "Specify a user"); - return CLI_OK; - } - for (i = 0; i < argc; i++) - { - if (strchr(argv[i], '?')) + if (CLI_HELP_REQUESTED) + return CLI_HELP_NO_ARGS; + + cli_print(cli, "# Current configuration:"); + + for (i = 0; config_values[i].key; i++) { - cli_print(cli, "username ..."); - return CLI_OK; + 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 == 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); + else if (config_values[i].type == BOOL) + 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); + 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)); } - } - for (i = 0; i < argc; i++) - { - if (!(s = sessionbyuser(argv[i]))) + cli_print(cli, "# Plugins"); + for (i = 0; i < MAXPLUGINS; i++) { - cli_print(cli, "User %s is not connected", argv[i]); - continue; + if (*config->plugins[i]) + { + cli_print(cli, "load plugin \"%s\"", config->plugins[i]); + } } - session[s].snoop = 0; - cli_print(cli, "Not snooping user %s", argv[i]); - } - return CLI_OK; -} +#ifdef BGP + if (config->as_number) + { + int k; + int h; -int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc) -{ - int i; - sessionidt s; + cli_print(cli, "# BGP"); + cli_print(cli, "router bgp %u", config->as_number); + for (i = 0; i < BGP_NUM_PEERS; i++) + { + if (!config->neighbour[i].name[0]) + continue; - if (!argc) - { - cli_print(cli, "Specify a user"); - return CLI_OK; - } - for (i = 0; i < argc; i++) - { - if (strchr(argv[i], '?')) - { - cli_print(cli, "username ..."); - return CLI_OK; + cli_print(cli, " neighbour %s remote-as %u", config->neighbour[i].name, config->neighbour[i].as); + + k = config->neighbour[i].keepalive; + h = config->neighbour[i].hold; + + if (k == -1) + { + if (h == -1) + continue; + + k = BGP_KEEPALIVE_TIME; + } + + if (h == -1) + h = BGP_HOLD_TIME; + + cli_print(cli, " neighbour %s timers %d %d", config->neighbour[i].name, k, h); + } } - } +#endif - for (i = 0; i < argc; i++) - { - if (!(s = sessionbyuser(argv[i]))) + cli_print(cli, "# Filters"); + for (i = 0; i < MAXFILTER; i++) { - cli_print(cli, "User %s is not connected", argv[i]); - continue; + ip_filter_rulet *rules; + if (!*ip_filters[i].name) + continue; + + cli_print(cli, "ip access-list %s %s", + ip_filters[i].extended ? "extended" : "standard", + ip_filters[i].name); + + rules = ip_filters[i].rules; + while (rules->action) + cli_print(cli, "%s", show_access_list_rule(ip_filters[i].extended, rules++)); } - throttle_session(s, 1); - cli_print(cli, "throttling user %s", argv[i]); - } - return CLI_OK; + cli_print(cli, "# end"); + return CLI_OK; } -int cmd_no_throttle(struct cli_def *cli, char *command, char **argv, int argc) +static int cmd_show_radius(struct cli_def *cli, char *command, char **argv, int argc) { - int i; - sessionidt s; - - if (!argc) - { - cli_print(cli, "Specify a user"); - return CLI_OK; - } - for (i = 0; i < argc; i++) - { - if (strchr(argv[i], '?')) + int i, free = 0, used = 0, show_all = 0; + char *states[] = { + "NULL", + "CHAP", + "AUTH", + "IPCP", + "START", + "STOP", + "INTRM", + "WAIT", + }; + + if (CLI_HELP_REQUESTED) { - cli_print(cli, "username ..."); - return CLI_OK; + if (argc > 1) + return cli_arg_help(cli, 1, NULL); + + return cli_arg_help(cli, 1, + "all", "Show all RADIUS sessions, including unused", + NULL); } - } - for (i = 0; i < argc; i++) - { - if (!(s = sessionbyuser(argv[i]))) + cli_print(cli, "%6s%7s%5s%6s%9s%9s%4s", "ID", "Radius", "Sock", "State", "Session", "Retry", "Try"); + + time(&time_now); + + if (argc > 0 && strcmp(argv[0], "all") == 0) + show_all = 1; + + for (i = 1; i < MAXRADIUS; i++) { - cli_print(cli, "User %s is not connected", argv[i]); - continue; + if (radius[i].state == RADIUSNULL) + free++; + else + used++; + + if (!show_all && radius[i].state == RADIUSNULL) continue; + + cli_print(cli, "%6d%7d%5d%6s%9d%9u%4d", + i, + i >> RADIUS_SHIFT, + i & RADIUS_MASK, + states[radius[i].state], + radius[i].session, + radius[i].retry, + radius[i].try); } - throttle_session(s, 0); - cli_print(cli, "unthrottling user %s", argv[i]); - } - return CLI_OK; -} + cli_print(cli, "\r\nFree: %d\r\nUsed: %d", free, used); -int cmd_debug(struct cli_def *cli, char *command, char **argv, int argc) -{ - int i; - - if (!argc) - { - cli_print(cli, "Currently debugging: "); - if (debug_flags.critical) cli_print(cli, "critical "); - if (debug_flags.error) cli_print(cli, "error "); - if (debug_flags.warning) cli_print(cli, "warning "); - if (debug_flags.info) cli_print(cli, "info "); - if (debug_flags.calls) cli_print(cli, "calls "); - if (debug_flags.data) cli_print(cli, "data "); - cli_print(cli, ""); return CLI_OK; - } - - for (i = 0; i < argc; i++) - { - if (*argv[i] == '?') - { - cli_print(cli, "Possible debugging states are:"); - cli_print(cli, " critical"); - cli_print(cli, " error"); - cli_print(cli, " warning"); - cli_print(cli, " info"); - cli_print(cli, " calls"); - cli_print(cli, " data"); - return CLI_OK; - } - } - - for (i = 0; i < argc; i++) - { - if (strcasecmp(argv[i], "critical") == 0) debug_flags.critical = 1; - if (strcasecmp(argv[i], "error") == 0) debug_flags.error = 1; - if (strcasecmp(argv[i], "warning") == 0) debug_flags.warning = 1; - if (strcasecmp(argv[i], "info") == 0) debug_flags.info = 1; - if (strcasecmp(argv[i], "calls") == 0) debug_flags.calls = 1; - if (strcasecmp(argv[i], "data") == 0) debug_flags.data = 1; - if (strcasecmp(argv[i], "all") == 0) - { - memset(&debug_flags, 1, sizeof(debug_flags)); - debug_flags.data = 0; - } - } - - return CLI_OK; } -int cmd_no_debug(struct cli_def *cli, char *command, char **argv, int argc) +static int cmd_show_plugins(struct cli_def *cli, char *command, char **argv, int argc) { - int i; - - for (i = 0; i < argc; i++) - { - if (strcasecmp(argv[i], "critical") == 0) debug_flags.critical = 0; - if (strcasecmp(argv[i], "error") == 0) debug_flags.error = 0; - if (strcasecmp(argv[i], "warning") == 0) debug_flags.warning = 0; - if (strcasecmp(argv[i], "info") == 0) debug_flags.info = 0; - if (strcasecmp(argv[i], "calls") == 0) debug_flags.calls = 0; - if (strcasecmp(argv[i], "data") == 0) debug_flags.data = 0; - if (strcasecmp(argv[i], "all") == 0) memset(&debug_flags, 0, sizeof(debug_flags)); - } - - return CLI_OK; -} - -int cmd_watch_session(struct cli_def *cli, char *command, char **argv, int argc) -{ - sessionidt s; - - if (argc != 1) - { - cli_print(cli, "Specify a single session to debug (0 to disable)"); - return CLI_OK; - } - s = atoi(argv[0]); + int i; - if (debug_session) - cli_print(cli, "No longer debugging session %d", debug_session); + if (CLI_HELP_REQUESTED) + return CLI_HELP_NO_ARGS; - if (s) cli_print(cli, "Debugging session %d.", s); - debug_session = s; + cli_print(cli, "Plugins currently loaded:"); + for (i = 0; i < MAXPLUGINS; i++) + if (*config->plugins[i]) + cli_print(cli, " %s", config->plugins[i]); - return CLI_OK; + return CLI_OK; } -int cmd_watch_tunnel(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) { - tunnelidt s; + int i; - if (argc != 1) - { - cli_print(cli, "Specify a single tunnel to debug (0 to disable)"); - return CLI_OK; - } - s = atoi(argv[0]); + if (CLI_HELP_REQUESTED) + return CLI_HELP_NO_ARGS; - if (debug_tunnel) - cli_print(cli, "No longer debugging tunnel %d", debug_tunnel); + cli_print(cli, "%5s %4s %-32s %7s %6s %6s %6s", + "SID", + "TID", + "Username", + "Rate In", + "Out", + "TBFI", + "TBFO"); - if (s) cli_print(cli, "Debugging tunnel %d.", s); - debug_tunnel = s; + for (i = 0; i < MAXSESSION; i++) + { + if (session[i].throttle_in || session[i].throttle_out) + cli_print(cli, "%5d %4d %-32s %6d %6d %6d %6d", + i, + session[i].tunnel, + session[i].user, + session[i].throttle_in, + session[i].throttle_out, + session[i].tbf_in, + session[i].tbf_out); + } - return CLI_OK; + return CLI_OK; } -int cmd_load_plugin(struct cli_def *cli, char *command, char **argv, int argc) +static int cmd_show_banana(struct cli_def *cli, char *command, char **argv, int argc) { - int i, firstfree = 0; - if (argc != 1) - { - cli_print(cli, "Specify a plugin to load"); + if (CLI_HELP_REQUESTED) + return CLI_HELP_NO_ARGS; + + cli_print(cli, " _\n" + "//\\\n" + "V \\\n" + " \\ \\_\n" + " \\,'.`-.\n" + " |\\ `. `.\n" + " ( \\ `. `-. _,.-:\\\n" + " \\ \\ `. `-._ __..--' ,-';/\n" + " \\ `. `-. `-..___..---' _.--' ,'/\n" + " `. `. `-._ __..--' ,' /\n" + " `. `-_ ``--..'' _.-' ,'\n" + " `-_ `-.___ __,--' ,'\n" + " `-.__ `----\"\"\" __.-'\n" + "hh `--..____..--'"); + return CLI_OK; - } +} - for (i = 0; i < MAXPLUGINS; i++) - { - if (!*config->plugins[i] && !firstfree) - firstfree = i; - if (strcmp(config->plugins[i], argv[0]) == 0) - { - cli_print(cli, "Plugin is already loaded"); - 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; - if (firstfree) - { - strncpy(config->plugins[firstfree], argv[0], sizeof(config->plugins[firstfree]) - 1); - config->reload_config = 1; - cli_print(cli, "Loading plugin %s", argv[0]); - } + memset(_statistics, 0, sizeof(struct Tstats)); + SET_STAT(last_reset, time(NULL)); - return CLI_OK; + cli_print(cli, "Counters cleared"); + return CLI_OK; } -int cmd_remove_plugin(struct cli_def *cli, char *command, char **argv, int argc) +static int cmd_drop_user(struct cli_def *cli, char *command, char **argv, int argc) { - int i; + int i; + sessionidt s; - if (argc != 1) - { - cli_print(cli, "Specify a plugin to remove"); - return CLI_OK; - } + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, argc > 1, + "USER", "Username of session to drop", NULL); - for (i = 0; i < MAXPLUGINS; i++) - { - if (strcmp(config->plugins[i], argv[0]) == 0) + if (!config->cluster_iam_master) { - config->reload_config = 1; - memset(config->plugins[i], 0, sizeof(config->plugins[i])); - return CLI_OK; + cli_error(cli, "Can't do this on a slave. Do it on %s", + fmtaddr(config->cluster_master_address, 0)); + + return CLI_OK; } - } - cli_print(cli, "Plugin is not loaded"); - return CLI_OK; -} + if (!argc) + { + cli_error(cli, "Specify a user to drop"); + return CLI_OK; + } -char *duration(time_t seconds) -{ - static char *buf = NULL; - if (!buf) buf = calloc(64, 1); - - if (seconds > 86400) - sprintf(buf, "%d days", (int)(seconds / 86400.0)); - else if (seconds > 60) - sprintf(buf, "%02d:%02lu", (int)(seconds / 3600.0), seconds % 60); - else - sprintf(buf, "%lu sec", seconds); - return buf; + for (i = 0; i < argc; i++) + { + if (!(s = sessionbyuser(argv[i]))) + { + cli_error(cli, "User %s is not connected", argv[i]); + continue; + } + + if (session[s].ip && session[s].opened && !session[s].die) + { + cli_print(cli, "Dropping user %s", session[s].user); + cli_session_actions[s].action |= CLI_SESS_KILL; + } + } + + return CLI_OK; } -int cmd_uptime(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) { - FILE *fh; - char buf[100], *p = buf, *loads[3]; - int i, num_sessions = 0; - time_t time_now; + int i; + tunnelidt t; - fh = fopen("/proc/loadavg", "r"); - fgets(buf, 100, fh); - fclose(fh); + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, argc > 1, + "<1-%d>", MAXTUNNEL-1, "Tunnel id to drop", NULL); - for (i = 0; i < 3; i++) - loads[i] = strdup(strsep(&p, " ")); - - time(&time_now); - strftime(buf, 99, "%H:%M:%S", localtime(&time_now)); + if (!config->cluster_iam_master) + { + cli_error(cli, "Can't do this on a slave. Do it on %s", + fmtaddr(config->cluster_master_address, 0)); - for (i = 1; i < MAXSESSION; i++) - if (session[i].opened) num_sessions++; + return CLI_OK; + } - cli_print(cli, "%s up %s, %d users, load average: %s, %s, %s", - buf, - duration(abs(time_now - config->start_time)), - num_sessions, - loads[0], loads[1], loads[2] - ); - for (i = 0; i < 3; i++) - if (loads[i]) free(loads[i]); + if (!argc) + { + cli_error(cli, "Specify a tunnel to drop"); + return CLI_OK; + } - cli_print(cli, "Bandwidth: %s", config->bandwidth); + for (i = 0; i < argc; i++) + { + if ((t = atol(argv[i])) <= 0 || (t >= MAXTUNNEL)) + { + cli_error(cli, "Invalid tunnel ID (1-%d)", MAXTUNNEL-1); + continue; + } - return CLI_OK; -} + if (!tunnel[t].ip) + { + cli_error(cli, "Tunnel %d is not connected", t); + continue; + } -int cmd_set(struct cli_def *cli, char *command, char **argv, int argc) -{ - int i; + if (tunnel[t].die) + { + cli_error(cli, "Tunnel %d is already being shut down", t); + continue; + } - if (argc != 2) - { - cli_print(cli, "Usage: set "); - return CLI_OK; - } - - for (i = 0; config_values[i].key; i++) - { - void *value = ((void *)config) + config_values[i].offset; - if (strcmp(config_values[i].key, argv[0]) == 0) - { - // Found a value to set - cli_print(cli, "Setting \"%s\" to \"%s\"", argv[0], argv[1]); - switch (config_values[i].type) - { - case STRING: - strncpy((char *)value, argv[1], config_values[i].size - 1); - break; - case INT: - *(int *)value = atoi(argv[1]); - break; - case UNSIGNED_LONG: - *(unsigned long *)value = atol(argv[1]); - break; - case SHORT: - *(short *)value = atoi(argv[1]); - break; - case IP: - *(unsigned *)value = inet_addr(argv[1]); - break; - case BOOL: - if (strcasecmp(argv[1], "yes") == 0 || strcasecmp(argv[1], "true") == 0 || strcasecmp(argv[1], "1") == 0) - *(int *)value = 1; - else - *(int *)value = 0; - break; - default: - cli_print(cli, "Unknown variable type"); - break; - } - config->reload_config = 1; - return CLI_OK; + cli_print(cli, "Tunnel %d shut down (%s)", t, tunnel[t].hostname); + cli_tunnel_actions[t].action |= CLI_TUN_KILL; } - } - cli_print(cli, "Unknown variable \"%s\"", argv[0]); - return CLI_OK; + return CLI_OK; } -int regular_stuff(struct cli_def *cli) +static int cmd_drop_session(struct cli_def *cli, char *command, char **argv, int argc) { - int i = debug_rb_tail; - int reprompt = 0; + int i; + sessionidt s; -#ifdef RINGBUFFER - while (i != ringbuffer->tail) - { - int show_message = 0; + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, argc > 1, + "<1-%d>", MAXSESSION-1, "Session id to drop", NULL); - if (*ringbuffer->buffer[i].message) + if (!config->cluster_iam_master) { - // Always show messages if we are doing general debug - if (ringbuffer->buffer[i].level == 0 && debug_flags.critical) show_message = 1; - if (ringbuffer->buffer[i].level == 1 && debug_flags.error) show_message = 1; - if (ringbuffer->buffer[i].level == 2 && debug_flags.warning) show_message = 1; - if (ringbuffer->buffer[i].level == 3 && debug_flags.info) show_message = 1; - if (ringbuffer->buffer[i].level == 4 && debug_flags.calls) show_message = 1; - if (ringbuffer->buffer[i].level == 5 && debug_flags.data) show_message = 1; + cli_error(cli, "Can't do this on a slave. Do it on %s", + fmtaddr(config->cluster_master_address, 0)); + + return CLI_OK; } - if (show_message) + if (!argc) { - ipt address = ntohl(ringbuffer->buffer[i].address); - char *ipaddr; - struct in_addr addr; - - memcpy(&addr, &address, sizeof(ringbuffer->buffer[i].address)); - ipaddr = inet_ntoa(addr); + cli_error(cli, "Specify a session id to drop"); + return CLI_OK; + } - cli_print(cli, "\r%s-%s-%u-%u %s", - debug_levels[(int)ringbuffer->buffer[i].level], - ipaddr, - ringbuffer->buffer[i].tunnel, - ringbuffer->buffer[i].session, - ringbuffer->buffer[i].message); + for (i = 0; i < argc; i++) + { + if ((s = atol(argv[i])) <= 0 || (s > MAXSESSION)) + { + cli_error(cli, "Invalid session ID (1-%d)", MAXSESSION-1); + continue; + } - reprompt = 1; + if (session[s].ip && session[s].opened && !session[s].die) + { + cli_print(cli, "Dropping session %d", s); + cli_session_actions[s].action |= CLI_SESS_KILL; + } + else + { + cli_error(cli, "Session %d is not active.", s); + } } - if (++i == ringbuffer->tail) break; - if (i == RINGBUFFER_SIZE) i = 0; - } + return CLI_OK; +} + +static int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc) +{ + in_addr_t ip; + uint16_t port; + sessionidt s; - debug_rb_tail = ringbuffer->tail; - if (reprompt) - cli_reprompt(cli); -#endif - return CLI_OK; + if (CLI_HELP_REQUESTED) + { + switch (argc) + { + case 1: + return cli_arg_help(cli, 0, + "USER", "Username of session to snoop", NULL); + + case 2: + return cli_arg_help(cli, 0, + "A.B.C.D", "IP address of snoop destination", NULL); + + case 3: + return cli_arg_help(cli, 0, + "N", "Port of snoop destination", NULL); + + case 4: + if (!argv[3][1]) + return cli_arg_help(cli, 1, NULL); + + default: + return CLI_OK; + } + } + + if (!config->cluster_iam_master) + { + cli_error(cli, "Can't do this on a slave. Do it on %s", + fmtaddr(config->cluster_master_address, 0)); + + return CLI_OK; + } + + if (argc < 3) + { + cli_error(cli, "Specify username, ip and port"); + return CLI_OK; + } + + if (!(s = sessionbyuser(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_error(cli, "Cannot parse IP \"%s\"", argv[1]); + return CLI_OK; + } + + port = atoi(argv[2]); + if (!port) + { + cli_error(cli, "Invalid port %s", argv[2]); + return CLI_OK; + } + + cli_print(cli, "Snooping user %s to %s:%d", argv[0], fmtaddr(ip, 0), port); + cli_session_actions[s].snoop_ip = ip; + cli_session_actions[s].snoop_port = port; + cli_session_actions[s].action |= CLI_SESS_SNOOP; + + return CLI_OK; +} + +static int cmd_no_snoop(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + sessionidt s; + + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, argc > 1, + "USER", "Username of session to unsnoop", NULL); + + if (!config->cluster_iam_master) + { + cli_error(cli, "Can't do this on a slave. Do it on %s", + fmtaddr(config->cluster_master_address, 0)); + + return CLI_OK; + } + + if (!argc) + { + cli_error(cli, "Specify a user to unsnoop"); + return CLI_OK; + } + + for (i = 0; i < argc; i++) + { + if (!(s = sessionbyuser(argv[i]))) + { + cli_error(cli, "User %s is not connected", argv[i]); + continue; + } + + cli_print(cli, "Not snooping user %s", argv[i]); + cli_session_actions[s].action |= CLI_SESS_NOSNOOP; + } + + return CLI_OK; +} + +static int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc) +{ + int rate_in = 0; + int rate_out = 0; + sessionidt s; + + /* + throttle USER - throttle in/out to default rate + throttle USER RATE - throttle in/out to default rate + throttle USER in RATE - throttle input only + throttle USER out RATE - throttle output only + throttle USER in RATE out RATE - throttle both + */ + + if (CLI_HELP_REQUESTED) + { + switch (argc) + { + case 1: + return cli_arg_help(cli, 0, + "USER", "Username of session to throttle", NULL); + + case 2: + return cli_arg_help(cli, 1, + "RATE", "Rate in kbps (in and out)", + "in", "Select incoming rate", + "out", "Select outgoing rate", NULL); + + case 4: + return cli_arg_help(cli, 1, + "in", "Select incoming rate", + "out", "Select outgoing rate", NULL); + + case 3: + if (isdigit(argv[1][0])) + return cli_arg_help(cli, 1, NULL); + + case 5: + return cli_arg_help(cli, 0, "RATE", "Rate in kbps", NULL); + + default: + return cli_arg_help(cli, argc > 1, NULL); + } + } + + if (!config->cluster_iam_master) + { + cli_error(cli, "Can't do this on a slave. Do it on %s", + fmtaddr(config->cluster_master_address, 0)); + + return CLI_OK; + } + + if (argc == 0) + { + cli_error(cli, "Specify a user to throttle"); + return CLI_OK; + } + + if (!(s = sessionbyuser(argv[0]))) + { + cli_error(cli, "User %s is not connected", argv[0]); + return CLI_OK; + } + + if (argc == 1) + { + rate_in = rate_out = config->rl_rate; + } + else if (argc == 2) + { + rate_in = rate_out = atoi(argv[1]); + if (rate_in < 1) + { + cli_error(cli, "Invalid rate \"%s\"", argv[1]); + return CLI_OK; + } + } + else if (argc == 3 || argc == 5) + { + int i; + for (i = 1; i < argc - 1; i += 2) + { + int r = 0; + if (MATCH("in", argv[i])) + r = rate_in = atoi(argv[i+1]); + else if (MATCH("out", argv[i])) + r = rate_out = atoi(argv[i+1]); + + if (r < 1) + { + cli_error(cli, "Invalid rate specification \"%s %s\"", argv[i], argv[i+1]); + return CLI_OK; + } + } + } + else + { + cli_error(cli, "Invalid arguments"); + return CLI_OK; + } + + if ((rate_in && session[s].throttle_in) || (rate_out && session[s].throttle_out)) + { + cli_error(cli, "User %s already throttled, unthrottle first", argv[0]); + return CLI_OK; + } + + cli_session_actions[s].throttle_in = cli_session_actions[s].throttle_out = -1; + if (rate_in && session[s].throttle_in != rate_in) + cli_session_actions[s].throttle_in = rate_in; + + if (rate_out && session[s].throttle_out != rate_out) + cli_session_actions[s].throttle_out = rate_out; + + if (cli_session_actions[s].throttle_in == -1 && + cli_session_actions[s].throttle_out == -1) + { + cli_error(cli, "User %s already throttled at this rate", argv[0]); + return CLI_OK; + } + + cli_print(cli, "Throttling user %s", argv[0]); + cli_session_actions[s].action |= CLI_SESS_THROTTLE; + + return CLI_OK; +} + +static int cmd_no_throttle(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + sessionidt s; + + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, argc > 1, + "USER", "Username of session to unthrottle", NULL); + + if (!config->cluster_iam_master) + { + cli_error(cli, "Can't do this on a slave. Do it on %s", + fmtaddr(config->cluster_master_address, 0)); + + return CLI_OK; + } + + if (!argc) + { + cli_error(cli, "Specify a user to unthrottle"); + return CLI_OK; + } + + for (i = 0; i < argc; i++) + { + if (!(s = sessionbyuser(argv[i]))) + { + cli_error(cli, "User %s is not connected", argv[i]); + continue; + } + + if (session[s].throttle_in || session[s].throttle_out) + { + cli_print(cli, "Unthrottling user %s", argv[i]); + cli_session_actions[s].action |= CLI_SESS_NOTHROTTLE; + } + else + { + cli_error(cli, "User %s not throttled", argv[i]); + } + } + + return CLI_OK; +} + +static int cmd_debug(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, 1, + "all", "Enable debugging for all except \"data\"", + "critical", "", // FIXME: add descriptions + "error", "", + "warning", "", + "info", "", + "calls", "", + "data", "", + NULL); + + if (!argc) + { + char *p = (char *) &debug_flags; + for (i = 0; i < sizeof(debug_flags); i++) + { + if (p[i]) + { + cli_print(cli, "Currently debugging:%s%s%s%s%s%s", + (debug_flags.critical) ? " critical" : "", + (debug_flags.error) ? " error" : "", + (debug_flags.warning) ? " warning" : "", + (debug_flags.info) ? " info" : "", + (debug_flags.calls) ? " calls" : "", + (debug_flags.data) ? " data" : ""); + + return CLI_OK; + } + } + + cli_print(cli, "Debugging off"); + return CLI_OK; + } + + for (i = 0; i < argc; i++) + { + int len = strlen(argv[i]); + + if (argv[i][0] == 'c' && len < 2) + len = 2; /* distinguish [cr]itical from [ca]lls */ + + if (!strncmp("critical", argv[i], len)) { debug_flags.critical = 1; continue; } + if (!strncmp("error", argv[i], len)) { debug_flags.error = 1; continue; } + if (!strncmp("warning", argv[i], len)) { debug_flags.warning = 1; continue; } + if (!strncmp("info", argv[i], len)) { debug_flags.info = 1; continue; } + if (!strncmp("calls", argv[i], len)) { debug_flags.calls = 1; continue; } + if (!strncmp("data", argv[i], len)) { debug_flags.data = 1; continue; } + if (!strncmp("all", argv[i], len)) + { + memset(&debug_flags, 1, sizeof(debug_flags)); + debug_flags.data = 0; + continue; + } + + cli_error(cli, "Invalid debugging flag \"%s\"", argv[i]); + } + + return CLI_OK; +} + +static int cmd_no_debug(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, 1, + "all", "Disable all debugging", + "critical", "", // FIXME: add descriptions + "error", "", + "warning", "", + "info", "", + "calls", "", + "data", "", + NULL); + + if (!argc) + { + memset(&debug_flags, 0, sizeof(debug_flags)); + return CLI_OK; + } + + for (i = 0; i < argc; i++) + { + int len = strlen(argv[i]); + + if (argv[i][0] == 'c' && len < 2) + len = 2; /* distinguish [cr]itical from [ca]lls */ + + if (!strncmp("critical", argv[i], len)) { debug_flags.critical = 0; continue; } + if (!strncmp("error", argv[i], len)) { debug_flags.error = 0; continue; } + if (!strncmp("warning", argv[i], len)) { debug_flags.warning = 0; continue; } + if (!strncmp("info", argv[i], len)) { debug_flags.info = 0; continue; } + if (!strncmp("calls", argv[i], len)) { debug_flags.calls = 0; continue; } + if (!strncmp("data", argv[i], len)) { debug_flags.data = 0; continue; } + if (!strncmp("all", argv[i], len)) + { + memset(&debug_flags, 0, sizeof(debug_flags)); + continue; + } + + cli_error(cli, "Invalid debugging flag \"%s\"", argv[i]); + } + + return CLI_OK; +} + +static int cmd_load_plugin(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i, firstfree = 0; + + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, argc > 1, + "PLUGIN", "Name of plugin to load", NULL); + + if (argc != 1) + { + cli_error(cli, "Specify a plugin to load"); + return CLI_OK; + } + + for (i = 0; i < MAXPLUGINS; i++) + { + if (!*config->plugins[i] && !firstfree) + firstfree = i; + if (strcmp(config->plugins[i], argv[0]) == 0) + { + cli_error(cli, "Plugin is already loaded"); + return CLI_OK; + } + } + + if (firstfree) + { + strncpy(config->plugins[firstfree], argv[0], sizeof(config->plugins[firstfree]) - 1); + config->reload_config = 1; + cli_print(cli, "Loading plugin %s", argv[0]); + } + + return CLI_OK; +} + +static int cmd_remove_plugin(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, argc > 1, + "PLUGIN", "Name of plugin to unload", NULL); + + if (argc != 1) + { + cli_error(cli, "Specify a plugin to remove"); + return CLI_OK; + } + + for (i = 0; i < MAXPLUGINS; i++) + { + if (strcmp(config->plugins[i], argv[0]) == 0) + { + config->reload_config = 1; + memset(config->plugins[i], 0, sizeof(config->plugins[i])); + return CLI_OK; + } + } + + cli_error(cli, "Plugin is not loaded"); + return CLI_OK; +} + +static char *duration(time_t secs) +{ + static char *buf = NULL; + int p = 0; + + if (!buf) buf = calloc(64, 1); + + if (secs >= 86400) + { + int days = secs / 86400; + p = sprintf(buf, "%d day%s, ", days, days > 1 ? "s" : ""); + secs %= 86400; + } + + if (secs >= 3600) + { + int mins = secs / 60; + int hrs = mins / 60; + + mins %= 60; + sprintf(buf + p, "%d:%02d", hrs, mins); + } + else if (secs >= 60) + { + int mins = secs / 60; + sprintf(buf + p, "%d min%s", mins, mins > 1 ? "s" : ""); + } + else + sprintf(buf, "%ld sec%s", secs, secs > 1 ? "s" : ""); + + return buf; +} + +static int cmd_uptime(struct cli_def *cli, char *command, char **argv, int argc) +{ + FILE *fh; + char buf[100], *p = buf, *loads[3]; + int i, num_sessions = 0; + + if (CLI_HELP_REQUESTED) + return CLI_HELP_NO_ARGS; + + fh = fopen("/proc/loadavg", "r"); + fgets(buf, 100, fh); + fclose(fh); + + for (i = 0; i < 3; i++) + loads[i] = strdup(strsep(&p, " ")); + + time(&time_now); + strftime(buf, 99, "%H:%M:%S", localtime(&time_now)); + + for (i = 1; i < MAXSESSION; i++) + if (session[i].opened) num_sessions++; + + cli_print(cli, "%s up %s, %d users, load average: %s, %s, %s", + buf, + duration(time_now - config->start_time), + num_sessions, + loads[0], loads[1], loads[2] + ); + for (i = 0; i < 3; i++) + if (loads[i]) free(loads[i]); + + cli_print(cli, "Bandwidth: %s", config->bandwidth); + + return CLI_OK; +} + +static int cmd_set(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + + if (CLI_HELP_REQUESTED) + { + switch (argc) + { + case 1: + { + 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_error(cli, " %s", config_values[i].key); + } + + return CLI_OK; + + case 2: + return cli_arg_help(cli, 0, + "VALUE", "Value for variable", NULL); + + case 3: + if (!argv[2][1]) + return cli_arg_help(cli, 1, NULL); + + default: + return CLI_OK; + } + } + + if (argc != 2) + { + 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; + if (strcmp(config_values[i].key, argv[0]) == 0) + { + // Found a value to set + cli_print(cli, "Setting \"%s\" to \"%s\"", argv[0], argv[1]); + switch (config_values[i].type) + { + case STRING: + snprintf((char *) value, config_values[i].size, "%s", argv[1]); + break; + case INT: + *(int *) value = atoi(argv[1]); + break; + case UNSIGNED_LONG: + *(unsigned long *) value = atol(argv[1]); + break; + case SHORT: + *(short *) value = atoi(argv[1]); + break; + case IPv4: + *(in_addr_t *) value = inet_addr(argv[1]); + break; + 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; + else + *(int *) value = 0; + break; + default: + cli_error(cli, "Unknown variable type"); + break; + } + config->reload_config = 1; + return CLI_OK; + } + } + + cli_error(cli, "Unknown variable \"%s\"", argv[0]); + return CLI_OK; +} + +int regular_stuff(struct cli_def *cli) +{ + 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; + char *p; + int show = 0; + + if (!*m) continue; + + switch (ringbuffer->buffer[i].level) + { + case 0: show = debug_flags.critical; break; + case 1: show = debug_flags.error; break; + case 2: show = debug_flags.warning; break; + case 3: show = debug_flags.info; break; + case 4: show = debug_flags.calls; break; + case 5: show = debug_flags.data; break; + } + + if (!show) continue; + + if (!(p = strchr(m, '\n'))) + p = m + strlen(p); + + cli_error(cli, "\r%s-%u-%u %.*s", + debug_levels[(int)ringbuffer->buffer[i].level], + ringbuffer->buffer[i].tunnel, + ringbuffer->buffer[i].session, + (int) (p - m), m); + + out++; + } + + debug_rb_tail = ringbuffer->tail; + if (out) + cli_reprompt(cli); +#endif + return CLI_OK; +} + +#ifdef BGP +static int cmd_router_bgp(struct cli_def *cli, char *command, char **argv, int argc) +{ + int as; + + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, argc > 1, + "<1-65535>", "Autonomous system number", NULL); + + if (argc != 1 || (as = atoi(argv[0])) < 1 || as > 65535) + { + cli_error(cli, "Invalid autonomous system number"); + return CLI_OK; + } + + if (bgp_configured && as != config->as_number) + { + cli_error(cli, "Can't change local AS on a running system"); + return CLI_OK; + } + + config->as_number = as; + cli_set_configmode(cli, MODE_CONFIG_BGP, "router"); + + return CLI_OK; +} + +static int find_bgp_neighbour(char const *name) +{ + int i; + int new = -1; + struct hostent *h; + in_addr_t addrs[4] = { 0 }; + char **a; + + if (!(h = gethostbyname(name)) || h->h_addrtype != AF_INET) + return -2; + + for (i = 0; i < sizeof(addrs) / sizeof(*addrs) && h->h_addr_list[i]; i++) + memcpy(&addrs[i], h->h_addr_list[i], sizeof(*addrs)); + + for (i = 0; i < BGP_NUM_PEERS; i++) + { + if (!config->neighbour[i].name[0]) + { + if (new == -1) new = i; + continue; + } + + if (!strcmp(name, config->neighbour[i].name)) + return i; + + if (!(h = gethostbyname(config->neighbour[i].name)) || h->h_addrtype != AF_INET) + continue; + + for (a = h->h_addr_list; *a; a++) + { + int j; + for (j = 0; j < sizeof(addrs) / sizeof(*addrs) && addrs[j]; j++) + if (!memcmp(&addrs[j], *a, sizeof(*addrs))) + return i; + } + } + + return new; +} + +static int cmd_router_bgp_neighbour(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + int keepalive; + int hold; + + if (CLI_HELP_REQUESTED) + { + switch (argc) + { + case 1: + return cli_arg_help(cli, 0, + "A.B.C.D", "BGP neighbour address", + "NAME", "BGP neighbour name", + NULL); + + case 2: + return cli_arg_help(cli, 0, + "remote-as", "Set remote autonomous system number", + "timers", "Set timers", + NULL); + + default: + if (MATCH("remote-as", argv[1])) + return cli_arg_help(cli, argv[2][1], "<1-65535>", "Autonomous system number", NULL); + + if (MATCH("timers", argv[1])) + { + if (argc == 3) + return cli_arg_help(cli, 0, "<1-65535>", "Keepalive time", NULL); + + if (argc == 4) + return cli_arg_help(cli, argv[3][1], "<3-65535>", "Hold time", NULL); + + if (argc == 5 && !argv[4][1]) + return cli_arg_help(cli, 1, NULL); + } + + return CLI_OK; + } + } + + if (argc < 3) + { + cli_error(cli, "Invalid arguments"); + return CLI_OK; + } + + if ((i = find_bgp_neighbour(argv[0])) == -2) + { + cli_error(cli, "Invalid neighbour"); + return CLI_OK; + } + + if (i == -1) + { + cli_error(cli, "Too many neighbours (max %d)", BGP_NUM_PEERS); + return CLI_OK; + } + + if (MATCH("remote-as", argv[1])) + { + int as = atoi(argv[2]); + if (as < 0 || as > 65535) + { + cli_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), "%s", argv[0]); + config->neighbour[i].keepalive = -1; + config->neighbour[i].hold = -1; + } + + config->neighbour[i].as = as; + return CLI_OK; + } + + if (argc != 4 || !MATCH("timers", argv[1])) + { + cli_error(cli, "Invalid arguments"); + return CLI_OK; + } + + if (!config->neighbour[i].name[0]) + { + cli_error(cli, "Specify remote-as first"); + return CLI_OK; + } + + keepalive = atoi(argv[2]); + hold = atoi(argv[3]); + + if (keepalive < 1 || keepalive > 65535) + { + cli_error(cli, "Invalid keepalive time"); + return CLI_OK; + } + + if (hold < 3 || hold > 65535) + { + cli_error(cli, "Invalid hold time"); + return CLI_OK; + } + + if (keepalive == BGP_KEEPALIVE_TIME) + keepalive = -1; // using default value + + if (hold == BGP_HOLD_TIME) + hold = -1; + + config->neighbour[i].keepalive = keepalive; + config->neighbour[i].hold = hold; + + return CLI_OK; +} + +static int cmd_router_bgp_no_neighbour(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, argc > 0, + "A.B.C.D", "BGP neighbour address", + "NAME", "BGP neighbour name", + NULL); + + if (argc != 1) + { + cli_error(cli, "Specify a BGP neighbour"); + return CLI_OK; + } + + if ((i = find_bgp_neighbour(argv[0])) == -2) + { + cli_error(cli, "Invalid neighbour"); + return CLI_OK; + } + + if (i < 0 || !config->neighbour[i].name[0]) + { + cli_error(cli, "Neighbour %s not configured", argv[0]); + return CLI_OK; + } + + memset(&config->neighbour[i], 0, sizeof(config->neighbour[i])); + return CLI_OK; +} + +static int cmd_show_bgp(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + int hdr = 0; + char *addr; + + if (!bgp_configured) + return CLI_OK; + + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, 1, + "A.B.C.D", "BGP neighbour address", + "NAME", "BGP neighbour name", + NULL); + + cli_print(cli, "BGPv%d router identifier %s, local AS number %d", + BGP_VERSION, fmtaddr(my_address, 0), (int) config->as_number); + + time(&time_now); + + for (i = 0; i < BGP_NUM_PEERS; i++) + { + if (!*bgp_peers[i].name) + continue; + + addr = fmtaddr(bgp_peers[i].addr, 0); + if (argc && strcmp(addr, argv[0]) && + strncmp(bgp_peers[i].name, argv[0], strlen(argv[0]))) + continue; + + if (!hdr++) + { + cli_print(cli, ""); + cli_print(cli, "Peer AS Address " + "State Retries Retry in Route Pend Timers"); + cli_print(cli, "------------------ ----- --------------- " + "----------- ------- -------- ----- ---- ---------"); + } + + cli_print(cli, "%-18.18s %5d %15s %-11s %7d %7lds %5s %4s %4d %4d", + bgp_peers[i].name, + bgp_peers[i].as, + addr, + bgp_state_str(bgp_peers[i].state), + bgp_peers[i].retry_count, + bgp_peers[i].retry_time ? bgp_peers[i].retry_time - time_now : 0, + bgp_peers[i].routing ? "yes" : "no", + bgp_peers[i].update_routes ? "yes" : "no", + bgp_peers[i].keepalive, + bgp_peers[i].hold); + } + + return CLI_OK; +} + +static int cmd_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + char *addr; + + if (!bgp_configured) + return CLI_OK; + + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, 1, + "A.B.C.D", "BGP neighbour address", + "NAME", "BGP neighbour name", + NULL); + + for (i = 0; i < BGP_NUM_PEERS; i++) + { + if (bgp_peers[i].state != Established) + continue; + + if (!bgp_peers[i].routing) + continue; + + addr = fmtaddr(bgp_peers[i].addr, 0); + if (argc && strcmp(addr, argv[0]) && strcmp(bgp_peers[i].name, argv[0])) + continue; + + bgp_peers[i].cli_flag = BGP_CLI_SUSPEND; + cli_print(cli, "Suspending peer %s", bgp_peers[i].name); + } + + return CLI_OK; +} + +static int cmd_no_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + char *addr; + + if (!bgp_configured) + return CLI_OK; + + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, 1, + "A.B.C.D", "BGP neighbour address", + "NAME", "BGP neighbour name", + NULL); + + for (i = 0; i < BGP_NUM_PEERS; i++) + { + if (bgp_peers[i].state != Established) + continue; + + if (bgp_peers[i].routing) + continue; + + addr = fmtaddr(bgp_peers[i].addr, 0); + if (argc && strcmp(addr, argv[0]) && + strncmp(bgp_peers[i].name, argv[0], strlen(argv[0]))) + continue; + + bgp_peers[i].cli_flag = BGP_CLI_ENABLE; + cli_print(cli, "Un-suspending peer %s", bgp_peers[i].name); + } + + return CLI_OK; +} + +static int cmd_restart_bgp(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + char *addr; + + if (!bgp_configured) + return CLI_OK; + + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, 1, + "A.B.C.D", "BGP neighbour address", + "NAME", "BGP neighbour name", + NULL); + + for (i = 0; i < BGP_NUM_PEERS; i++) + { + if (!*bgp_peers[i].name) + continue; + + addr = fmtaddr(bgp_peers[i].addr, 0); + if (argc && strcmp(addr, argv[0]) && + strncmp(bgp_peers[i].name, argv[0], strlen(argv[0]))) + continue; + + bgp_peers[i].cli_flag = BGP_CLI_RESTART; + cli_print(cli, "Restarting peer %s", bgp_peers[i].name); + } + + return CLI_OK; +} +#endif /* BGP*/ + +static int filt; +static int find_access_list(char const *name) +{ + int i; + + for (i = 0; i < MAXFILTER; i++) + if (!(*ip_filters[i].name && strcmp(ip_filters[i].name, name))) + return i; + + return -1; +} + +static int access_list(struct cli_def *cli, char **argv, int argc, int add) +{ + int extended; + + if (CLI_HELP_REQUESTED) + { + switch (argc) + { + case 1: + return cli_arg_help(cli, 0, + "standard", "Standard syntax", + "extended", "Extended syntax", + NULL); + + case 2: + return cli_arg_help(cli, argv[1][1], + "NAME", "Access-list name", + NULL); + + default: + if (argc == 3 && !argv[2][1]) + return cli_arg_help(cli, 1, NULL); + + return CLI_OK; + } + } + + if (argc != 2) + { + cli_error(cli, "Specify access-list type and name"); + return CLI_OK; + } + + if (MATCH("standard", argv[0])) + extended = 0; + else if (MATCH("extended", argv[0])) + extended = 1; + else + { + cli_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_error(cli, "Invalid access-list name"); + return CLI_OK; + } + + filt = find_access_list(argv[1]); + if (add) + { + if (filt < 0) + { + cli_error(cli, "Too many access-lists"); + return CLI_OK; + } + + // racy + if (!*ip_filters[filt].name) + { + memset(&ip_filters[filt], 0, sizeof(ip_filters[filt])); + strcpy(ip_filters[filt].name, argv[1]); + ip_filters[filt].extended = extended; + } + else if (ip_filters[filt].extended != extended) + { + cli_error(cli, "Access-list is %s", + ip_filters[filt].extended ? "extended" : "standard"); + + return CLI_OK; + } + + cli_set_configmode(cli, MODE_CONFIG_NACL, extended ? "ext-nacl" : "std-nacl"); + return CLI_OK; + } + + if (filt < 0 || !*ip_filters[filt].name) + { + cli_error(cli, "Access-list not defined"); + return CLI_OK; + } + + // racy + if (ip_filters[filt].used) + { + cli_error(cli, "Access-list in use"); + return CLI_OK; + } + + memset(&ip_filters[filt], 0, sizeof(ip_filters[filt])); + return CLI_OK; +} + +static int cmd_ip_access_list(struct cli_def *cli, char *command, char **argv, int argc) +{ + return access_list(cli, argv, argc, 1); +} + +static int cmd_no_ip_access_list(struct cli_def *cli, char *command, char **argv, int argc) +{ + return access_list(cli, argv, argc, 0); +} + +static int show_ip_wild(char *buf, in_addr_t ip, in_addr_t wild) +{ + if (ip == INADDR_ANY && wild == INADDR_BROADCAST) + return sprintf(buf, " any"); + + if (wild == INADDR_ANY) + return sprintf(buf, " host %s", fmtaddr(ip, 0)); + + return sprintf(buf, " %s %s", fmtaddr(ip, 0), fmtaddr(wild, 1)); +} + +static int show_ports(char *buf, ip_filter_portt *ports) +{ + switch (ports->op) + { + case FILTER_PORT_OP_EQ: return sprintf(buf, " eq %u", ports->port); + case FILTER_PORT_OP_NEQ: return sprintf(buf, " neq %u", ports->port); + case FILTER_PORT_OP_GT: return sprintf(buf, " gt %u", ports->port); + case FILTER_PORT_OP_LT: return sprintf(buf, " lt %u", ports->port); + case FILTER_PORT_OP_RANGE: return sprintf(buf, " range %u %u", ports->port, ports->port2); + } + + return 0; +} + +static char const *show_access_list_rule(int extended, ip_filter_rulet *rule) +{ + static char buf[256]; + char *p = buf; + + p += sprintf(p, " %s", rule->action == FILTER_ACTION_PERMIT ? "permit" : "deny"); + if (extended) + { + struct protoent *proto = getprotobynumber(rule->proto); + p += sprintf(p, " %s", proto ? proto->p_name : "ERR"); + } + + p += show_ip_wild(p, rule->src_ip, rule->src_wild); + if (!extended) + return buf; + + if (rule->proto == IPPROTO_TCP || rule->proto == IPPROTO_UDP) + p += show_ports(p, &rule->src_ports); + + p += show_ip_wild(p, rule->dst_ip, rule->dst_wild); + if (rule->proto == IPPROTO_TCP || rule->proto == IPPROTO_UDP) + p += show_ports(p, &rule->dst_ports); + + if (rule->proto == IPPROTO_TCP && rule->tcp_flag_op) + { + switch (rule->tcp_flag_op) + { + case FILTER_FLAG_OP_EST: + p += sprintf(p, " established"); + break; + + case FILTER_FLAG_OP_ANY: + case FILTER_FLAG_OP_ALL: + p += sprintf(p, " match-%s", rule->tcp_flag_op == FILTER_FLAG_OP_ALL ? "all" : "any"); + if (rule->tcp_sflags & TCP_FLAG_FIN) p += sprintf(p, " +fin"); + if (rule->tcp_cflags & TCP_FLAG_FIN) p += sprintf(p, " -fin"); + if (rule->tcp_sflags & TCP_FLAG_SYN) p += sprintf(p, " +syn"); + if (rule->tcp_cflags & TCP_FLAG_SYN) p += sprintf(p, " -syn"); + if (rule->tcp_sflags & TCP_FLAG_RST) p += sprintf(p, " +rst"); + if (rule->tcp_cflags & TCP_FLAG_RST) p += sprintf(p, " -rst"); + if (rule->tcp_sflags & TCP_FLAG_PSH) p += sprintf(p, " +psh"); + if (rule->tcp_cflags & TCP_FLAG_PSH) p += sprintf(p, " -psh"); + if (rule->tcp_sflags & TCP_FLAG_ACK) p += sprintf(p, " +ack"); + if (rule->tcp_cflags & TCP_FLAG_ACK) p += sprintf(p, " -ack"); + if (rule->tcp_sflags & TCP_FLAG_URG) p += sprintf(p, " +urg"); + if (rule->tcp_cflags & TCP_FLAG_URG) p += sprintf(p, " -urg"); + break; + } + } + + if (rule->frag) + p += sprintf(p, " fragments"); + + return buf; +} + +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; + int i; + int a; + + if (CLI_HELP_REQUESTED) + { + if (argc == 1) + { + cli_arg_help(cli, 0, + "ip", "Match IP packets", + "tcp", "Match TCP packets", + "udp", "Match UDP packets", + NULL); + + return NULL; + } + + // *sigh*, too darned complex + cli_arg_help(cli, 0, "RULE", "SOURCE [PORTS] DEST [PORTS] FLAGS", NULL); + return NULL; + } + + if (argc < 3) + { + cli_error(cli, "Specify rule details"); + return NULL; + } + + memset(&rule, 0, sizeof(rule)); + rule.action = (command[0] == 'p') + ? FILTER_ACTION_PERMIT + : FILTER_ACTION_DENY; + + if (MATCH("ip", argv[0])) + rule.proto = IPPROTO_IP; + else if (MATCH("udp", argv[0])) + rule.proto = IPPROTO_UDP; + else if (MATCH("tcp", argv[0])) + rule.proto = IPPROTO_TCP; + else + { + cli_error(cli, "Invalid protocol \"%s\"", argv[0]); + return NULL; + } + + for (a = 1, i = 0; i < 2; i++) + { + in_addr_t *ip; + in_addr_t *wild; + ip_filter_portt *port; + + if (i == 0) + { + ip = &rule.src_ip; + wild = &rule.src_wild; + port = &rule.src_ports; + } + else + { + ip = &rule.dst_ip; + wild = &rule.dst_wild; + port = &rule.dst_ports; + if (a >= argc) + { + cli_error(cli, "Specify destination"); + return NULL; + } + } + + if (MATCH("any", argv[a])) + { + *ip = INADDR_ANY; + *wild = INADDR_BROADCAST; + a++; + } + else if (MATCH("host", argv[a])) + { + if (++a >= argc) + { + cli_error(cli, "Specify host ip address"); + return NULL; + } + + if (!inet_aton(argv[a], &addr)) + { + cli_error(cli, "Cannot parse IP \"%s\"", argv[a]); + return NULL; + } + + *ip = addr.s_addr; + *wild = INADDR_ANY; + a++; + } + else + { + if (a >= argc - 1) + { + cli_error(cli, "Specify %s ip address and wildcard", i ? "destination" : "source"); + return NULL; + } + + if (!inet_aton(argv[a], &addr)) + { + cli_error(cli, "Cannot parse IP \"%s\"", argv[a]); + return NULL; + } + + *ip = addr.s_addr; + + if (!inet_aton(argv[++a], &addr)) + { + cli_error(cli, "Cannot parse IP \"%s\"", argv[a]); + return NULL; + } + + *wild = addr.s_addr; + a++; + } + + if (rule.proto == IPPROTO_IP || a >= argc) + continue; + + port->op = 0; + if (MATCH("eq", argv[a])) + port->op = FILTER_PORT_OP_EQ; + else if (MATCH("neq", argv[a])) + port->op = FILTER_PORT_OP_NEQ; + else if (MATCH("gt", argv[a])) + port->op = FILTER_PORT_OP_GT; + else if (MATCH("lt", argv[a])) + port->op = FILTER_PORT_OP_LT; + else if (MATCH("range", argv[a])) + port->op = FILTER_PORT_OP_RANGE; + + if (!port->op) + continue; + + if (++a >= argc) + { + cli_error(cli, "Specify port"); + return NULL; + } + + if (!(port->port = atoi(argv[a]))) + { + cli_error(cli, "Invalid port \"%s\"", argv[a]); + return NULL; + } + + a++; + if (port->op != FILTER_PORT_OP_RANGE) + continue; + + if (a >= argc) + { + cli_error(cli, "Specify port"); + return NULL; + } + + if (!(port->port2 = atoi(argv[a])) || port->port2 < port->port) + { + cli_error(cli, "Invalid port \"%s\"", argv[a]); + return NULL; + } + + a++; + } + + if (rule.proto == IPPROTO_TCP && a < argc) + { + if (MATCH("established", argv[a])) + { + rule.tcp_flag_op = FILTER_FLAG_OP_EST; + a++; + } + else if (!strcmp(argv[a], "match-any") || !strcmp(argv[a], "match-an") || + !strcmp(argv[a], "match-all") || !strcmp(argv[a], "match-al")) + { + rule.tcp_flag_op = argv[a][7] == 'n' + ? FILTER_FLAG_OP_ANY + : FILTER_FLAG_OP_ALL; + + if (++a >= argc) + { + cli_error(cli, "Specify tcp flags"); + return NULL; + } + + while (a < argc && (argv[a][0] == '+' || argv[a][0] == '-')) + { + uint8_t *f; + + f = (argv[a][0] == '+') ? &rule.tcp_sflags : &rule.tcp_cflags; + + if (MATCH("fin", &argv[a][1])) *f |= TCP_FLAG_FIN; + else if (MATCH("syn", &argv[a][1])) *f |= TCP_FLAG_SYN; + else if (MATCH("rst", &argv[a][1])) *f |= TCP_FLAG_RST; + else if (MATCH("psh", &argv[a][1])) *f |= TCP_FLAG_PSH; + else if (MATCH("ack", &argv[a][1])) *f |= TCP_FLAG_ACK; + else if (MATCH("urg", &argv[a][1])) *f |= TCP_FLAG_URG; + else + { + cli_error(cli, "Invalid tcp flag \"%s\"", argv[a]); + return NULL; + } + + a++; + } + } + } + + if (a < argc && MATCH("fragments", argv[a])) + { + if (rule.src_ports.op || rule.dst_ports.op || rule.tcp_flag_op) + { + cli_error(cli, "Can't specify \"fragments\" on rules with layer 4 matches"); + return NULL; + } + + rule.frag = 1; + a++; + } + + if (a < argc) + { + cli_error(cli, "Invalid flag \"%s\"", argv[a]); + return NULL; + } + + return &rule; +} + +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; + + if (CLI_HELP_REQUESTED) + { + if (argc == 1) + { + cli_arg_help(cli, argv[0][1], + "A.B.C.D", "Source address", + "any", "Any source address", + "host", "Source host", + NULL); + + return NULL; + } + + if (MATCH("any", argv[0])) + { + if (argc == 2 && !argv[1][1]) + cli_arg_help(cli, 1, NULL); + } + else if (MATCH("host", argv[0])) + { + if (argc == 2) + { + cli_arg_help(cli, argv[1][1], + "A.B.C.D", "Host address", + NULL); + } + else if (argc == 3 && !argv[2][1]) + cli_arg_help(cli, 1, NULL); + } + else + { + if (argc == 2) + { + cli_arg_help(cli, 1, + "A.B.C.D", "Wildcard bits", + NULL); + } + else if (argc == 3 && !argv[2][1]) + cli_arg_help(cli, 1, NULL); + } + + return NULL; + } + + if (argc < 1) + { + cli_error(cli, "Specify rule details"); + return NULL; + } + + memset(&rule, 0, sizeof(rule)); + rule.action = (command[0] == 'p') + ? FILTER_ACTION_PERMIT + : FILTER_ACTION_DENY; + + rule.proto = IPPROTO_IP; + if (MATCH("any", argv[0])) + { + rule.src_ip = INADDR_ANY; + rule.src_wild = INADDR_BROADCAST; + } + else if (MATCH("host", argv[0])) + { + if (argc != 2) + { + cli_error(cli, "Specify host ip address"); + return NULL; + } + + if (!inet_aton(argv[1], &addr)) + { + cli_error(cli, "Cannot parse IP \"%s\"", argv[1]); + return NULL; + } + + rule.src_ip = addr.s_addr; + rule.src_wild = INADDR_ANY; + } + else + { + if (argc > 2) + { + cli_error(cli, "Specify source ip address and wildcard"); + return NULL; + } + + if (!inet_aton(argv[0], &addr)) + { + cli_error(cli, "Cannot parse IP \"%s\"", argv[0]); + return NULL; + } + + rule.src_ip = addr.s_addr; + + if (argc > 1) + { + if (!inet_aton(argv[1], &addr)) + { + cli_error(cli, "Cannot parse IP \"%s\"", argv[1]); + return NULL; + } + + rule.src_wild = addr.s_addr; + } + else + rule.src_wild = INADDR_ANY; + } + + return &rule; +} + +static int cmd_ip_access_list_rule(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + ip_filter_rulet *rule = ip_filters[filt].extended + ? access_list_rule_ext(cli, command, argv, argc) + : access_list_rule_std(cli, command, argv, argc); + + if (!rule) + return CLI_OK; + + for (i = 0; i < MAXFILTER_RULES - 1; i++) // -1: list always terminated by empty rule + { + if (!ip_filters[filt].rules[i].action) + { + memcpy(&ip_filters[filt].rules[i], rule, sizeof(*rule)); + return CLI_OK; + } + + if (!memcmp(&ip_filters[filt].rules[i], rule, sizeof(*rule))) + return CLI_OK; + } + + cli_error(cli, "Too many rules"); + return CLI_OK; +} + +static int cmd_filter(struct cli_def *cli, char *command, char **argv, int argc) +{ + sessionidt s; + int i; + + /* filter USER {in|out} FILTER ... */ + if (CLI_HELP_REQUESTED) + { + switch (argc) + { + case 1: + return cli_arg_help(cli, 0, + "USER", "Username of session to filter", NULL); + + case 2: + case 4: + return cli_arg_help(cli, 0, + "in", "Set incoming filter", + "out", "Set outgoing filter", NULL); + + case 3: + case 5: + return cli_arg_help(cli, argc == 5 && argv[4][1], + "NAME", "Filter name", NULL); + + default: + return cli_arg_help(cli, argc > 1, NULL); + } + } + + if (!config->cluster_iam_master) + { + cli_error(cli, "Can't do this on a slave. Do it on %s", + fmtaddr(config->cluster_master_address, 0)); + + return CLI_OK; + } + + if (argc != 3 && argc != 5) + { + cli_error(cli, "Specify a user and filters"); + return CLI_OK; + } + + if (!(s = sessionbyuser(argv[0]))) + { + cli_error(cli, "User %s is not connected", argv[0]); + return CLI_OK; + } + + cli_session_actions[s].filter_in = cli_session_actions[s].filter_out = -1; + for (i = 1; i < argc; i += 2) + { + int *f = 0; + int v; + + if (MATCH("in", argv[i])) + { + if (session[s].filter_in) + { + cli_error(cli, "Input already filtered"); + return CLI_OK; + } + f = &cli_session_actions[s].filter_in; + } + else if (MATCH("out", argv[i])) + { + if (session[s].filter_out) + { + cli_error(cli, "Output already filtered"); + return CLI_OK; + } + f = &cli_session_actions[s].filter_out; + } + else + { + cli_error(cli, "Invalid filter specification"); + return CLI_OK; + } + + v = find_access_list(argv[i+1]); + if (v < 0 || !*ip_filters[v].name) + { + cli_error(cli, "Access-list %s not defined", argv[i+1]); + return CLI_OK; + } + + *f = v + 1; + } + + cli_print(cli, "Filtering user %s", argv[0]); + cli_session_actions[s].action |= CLI_SESS_FILTER; + + return CLI_OK; +} + +static int cmd_no_filter(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + sessionidt s; + + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, argc > 1, + "USER", "Username of session to remove filters from", NULL); + + if (!config->cluster_iam_master) + { + cli_error(cli, "Can't do this on a slave. Do it on %s", + fmtaddr(config->cluster_master_address, 0)); + + return CLI_OK; + } + + if (!argc) + { + cli_error(cli, "Specify a user to remove filters from"); + return CLI_OK; + } + + for (i = 0; i < argc; i++) + { + if (!(s = sessionbyuser(argv[i]))) + { + cli_error(cli, "User %s is not connected", argv[i]); + continue; + } + + if (session[s].filter_in || session[s].filter_out) + { + cli_print(cli, "Removing filters from user %s", argv[i]); + cli_session_actions[s].action |= CLI_SESS_NOFILTER; + } + else + { + cli_error(cli, "User %s not filtered", argv[i]); + } + } + + return CLI_OK; +} + +static int cmd_show_access_list(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, argc > 1, "NAME", "Filter name", NULL); + + if (argc < 1) + { + cli_error(cli, "Specify a filter name"); + return CLI_OK; + } + + for (i = 0; i < argc; i++) + { + int f = find_access_list(argv[i]); + ip_filter_rulet *rules; + + if (f < 0 || !*ip_filters[f].name) + { + cli_error(cli, "Access-list %s not defined", argv[i]); + return CLI_OK; + } + + if (i) + cli_print(cli, ""); + + cli_print(cli, "%s IP access list %s", + ip_filters[f].extended ? "Extended" : "Standard", + ip_filters[f].name); + + for (rules = ip_filters[f].rules; rules->action; rules++) + { + char const *r = show_access_list_rule(ip_filters[f].extended, rules); + if (rules->counter) + cli_print(cli, "%s (%d match%s)", r, + rules->counter, rules->counter > 1 ? "es" : ""); + else + cli_print(cli, "%s", r); + } + } + + return CLI_OK; +} + +// Convert a string in the form of abcd.ef12.3456 into char[6] +void parsemac(char *string, char mac[6]) +{ + 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); }