X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/c5e4c2cfc092317c1e3ceb0f654f880f6a8573f4..f8e89934339150dda8d06e5d49739c07add38761:/cli.c diff --git a/cli.c b/cli.c index 3aafb10..4c3db99 100644 --- a/cli.c +++ b/cli.c @@ -1,12 +1,17 @@ // L2TPNS Command Line Interface -// $Id: cli.c,v 1.1 2003-12-16 07:07:39 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 1.21 2004-11-02 06:45:36 bodea Exp $"; #include +#include #include #include +#include #include #include +#include #include #include #include @@ -15,930 +20,1784 @@ #include #include #include +#include #include #include "l2tpns.h" #include "util.h" -#include "config.h" - -#ifdef HAVE_LIBCLI +#include "cluster.h" +#include "tbf.h" +#include "ll.h" +#ifdef BGP +#include "bgp.h" +#endif extern tunnelt *tunnel; extern sessiont *session; extern radiust *radius; extern ippoolt *ip_address_pool; extern struct Tstats *_statistics; -extern int cli_pid; struct cli_def *cli = NULL; int cli_quit = 0; -extern int clifd, udpfd, tapfd, snoopfd, radfd, ifrfd, cluster_sockfd; -extern sessionidt *cli_session_kill; -extern tunnelidt *cli_tunnel_kill; -extern tbft *filter_buckets; +extern struct configt *config; +extern struct config_descriptt config_values[]; #ifdef RINGBUFFER extern struct Tringbuffer *ringbuffer; #endif - -char *rcs_id = "$Id: cli.c,v 1.1 2003-12-16 07:07:39 fred_nerk Exp $"; +extern struct cli_session_actions *cli_session_actions; +extern struct cli_tunnel_actions *cli_tunnel_actions; +extern tbft *filter_list; char *debug_levels[] = { - "CRIT", - "ERROR", - "WARN", - "INFO", - "CALL", - "DATA", + "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; - -int cmd_show_session(struct cli_def *cli, FILE *w, char *command, char **argv, int argc); -int cmd_show_tunnels(struct cli_def *cli, FILE *w, char *command, char **argv, int argc); -int cmd_show_users(struct cli_def *cli, FILE *w, char *command, char **argv, int argc); -int cmd_show_counters(struct cli_def *cli, FILE *w, char *command, char **argv, int argc); -int cmd_show_version(struct cli_def *cli, FILE *w, char *command, char **argv, int argc); -int cmd_show_pool(struct cli_def *cli, FILE *w, char *command, char **argv, int argc); -int cmd_show_banana(struct cli_def *cli, FILE *w, char *command, char **argv, int argc); -int cmd_clear_counters(struct cli_def *cli, FILE *w, char *command, char **argv, int argc); -int cmd_drop_user(struct cli_def *cli, FILE *w, char *command, char **argv, int argc); -int cmd_drop_tunnel(struct cli_def *cli, FILE *w, char *command, char **argv, int argc); -int cmd_drop_session(struct cli_def *cli, FILE *w, char *command, char **argv, int argc); -int cmd_snoop(struct cli_def *cli, FILE *w, char *command, char **argv, int argc); -int cmd_no_snoop(struct cli_def *cli, FILE *w, char *command, char **argv, int argc); -int cmd_throttle(struct cli_def *cli, FILE *w, char *command, char **argv, int argc); -int cmd_no_throttle(struct cli_def *cli, FILE *w, char *command, char **argv, int argc); -int cmd_debug(struct cli_def *cli, FILE *w, char *command, char **argv, int argc); -int cmd_no_debug(struct cli_def *cli, FILE *w, char *command, char **argv, int argc); -int cmd_watch_session(struct cli_def *cli, FILE *w, char *command, char **argv, int argc); -int cmd_watch_tunnel(struct cli_def *cli, FILE *w, char *command, char **argv, int argc); -int regular_stuff(struct cli_def *cli, FILE *w); - -void init_cli() -{ - 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"); - cli_register_command(cli, c, "tunnels", cmd_show_tunnels, NULL); - cli_register_command(cli, c, "users", cmd_show_users, NULL); - cli_register_command(cli, c, "version", cmd_show_version, NULL); - cli_register_command(cli, c, "banana", cmd_show_banana, "Show a banana"); - cli_register_command(cli, c, "pool", cmd_show_pool, NULL); +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_show_throttle(struct cli_def *cli, char *command, char **argv, int argc); +int cmd_show_cluster(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_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 parsemac(char *string, char mac[6]); + +void init_cli(char *hostname) +{ + 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_UNPRIVILEGED, 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"); + + 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, NULL); + 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, NULL); + 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, "snoop", cmd_snoop, NULL); - cli_register_command(cli, NULL, "throttle", cmd_throttle, NULL); - - c = cli_register_command(cli, NULL, "no", NULL, NULL); - cli_register_command(cli, c, "snoop", cmd_no_snoop, NULL); - cli_register_command(cli, c, "throttle", cmd_no_throttle, NULL); - cli_register_command(cli, c, "debug", cmd_no_debug, NULL); - - c = cli_register_command(cli, NULL, "drop", NULL, NULL); - cli_register_command(cli, c, "user", cmd_drop_user, NULL); - cli_register_command(cli, c, "tunnel", cmd_drop_tunnel, NULL); - cli_register_command(cli, c, "session", cmd_drop_session, NULL); - - cli_register_command(cli, NULL, "debug", cmd_debug, "Specify a debugging level"); - - c = cli_register_command(cli, NULL, "watch", NULL, NULL); - cli_register_command(cli, c, "session", cmd_watch_session, "Dump logs for a tunnel"); - cli_register_command(cli, c, "tunnel", cmd_watch_tunnel, "Dump logs for a tunnel"); - - // 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"); + + 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"); + + cli_register_command(cli, NULL, "snoop", cmd_snoop, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Temporarily enable interception for a user"); + cli_register_command(cli, NULL, "throttle", cmd_throttle, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Temporarily enable throttling for a user"); + cli_register_command(cli, NULL, "debug", cmd_debug, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Set the level of logging that is shown on the console"); + + 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 peer"); + + 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, "Temporarily disable interception for a user"); + cli_register_command(cli, c, "throttle", cmd_no_throttle, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Temporarily disable throttling for a user"); + cli_register_command(cli, c, "debug", cmd_no_debug, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Turn off logging of a certain level of debugging"); + 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 peer"); + + 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, "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, "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"); + + // 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; + if (!strcmp(buf, "enable")) + { + cli_allow_enable(cli, p); + log(3, 0, 0, 0, "Setting enable password\n"); + } + else + { + 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); } void cli_do(int sockfd) { - if ((cli_pid = 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; + int require_auth = 1; + struct sockaddr_in addr; + int l = sizeof(addr); + + if (fork_and_close()) return; + if (getpeername(sockfd, (struct sockaddr *)&addr, &l) == 0) + { + log(3, 0, 0, 0, "Accepted connection to CLI from %s\n", inet_toa(addr.sin_addr.s_addr)); + require_auth = addr.sin_addr.s_addr != inet_addr("127.0.0.1"); + } + else + log(0, 0, 0, 0, "getpeername() failed on cli socket. Requiring authentication: %s\n", strerror(errno)); + + if (require_auth) + { + log(3, 0, 0, 0, "CLI is remote, requiring authentication\n"); + if (!cli->users) /* paranoia */ + { + log(0, 0, 0, 0, "No users for remote authentication! Exiting CLI\n"); + exit(0); + } + } + else + { + /* no username/pass required */ + cli->users = 0; + } + + debug_session = 0; + debug_tunnel = 0; #ifdef RINGBUFFER - debug_rb_tail = ringbuffer->tail; + debug_rb_tail = ringbuffer->tail; #endif - memset(&debug_flags, 0, sizeof(debug_flags)); - debug_flags.critical = 1; + memset(&debug_flags, 0, sizeof(debug_flags)); + debug_flags.critical = 1; - cli_loop(cli, sockfd, "l2tpns> "); + cli_loop(cli, sockfd); - close(sockfd); - log(3, 0, 0, 0, "Closed CLI connection\n"); - exit(0); + close(sockfd); + log(3, 0, 0, 0, "Closed CLI connection from %s\n", inet_toa(addr.sin_addr.s_addr)); + exit(0); } -int cmd_show_session(struct cli_def *cli, FILE *w, char *command, char **argv, int argc) +void cli_print_log(struct cli_def *cli, char *string) { - int i; - time_t time_now; + log(3, 0, 0, 0, "%s\n", string); +} - time(&time_now); - if (argc > 0) - { - // Show individual session - for (i = 0; i < argc; i++) +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, PRIVILEGE_PRIVILEGED, MODE_CONFIG); + cli_print_callback(cli, NULL); +} + +int cli_arg_help(struct cli_def *cli, int cr_ok, char *entry, ...) +{ + va_list ap; + char *desc; + char buf[16]; + char *p; + + va_start(ap, entry); + while (entry) { - unsigned int s; - s = atoi(argv[i]); - if (!s || s > MAXSESSION) - { - fprintf(w, "Invalid session id \"%s\"\r\n", argv[i]); - continue; - } - fprintf(w, "\r\nSession %d:\r\n", s); - fprintf(w, " User: %s\r\n", session[s].user[0] ? session[s].user : "none"); - fprintf(w, " Calling Num: %s\r\n", session[s].calling); - fprintf(w, " Called Num: %s\r\n", session[s].called); - fprintf(w, " Tunnel ID: %d\r\n", session[s].tunnel); - fprintf(w, " IP address: %s\r\n", inet_toa(htonl(session[s].ip))); - fprintf(w, " HSD sid: %lu\r\n", session[s].sid); - fprintf(w, " Idle time: %u seconds\r\n", abs(time_now - session[s].last_packet)); - fprintf(w, " Next Recv: %u\r\n", session[s].nr); - fprintf(w, " Next Send: %u\r\n", session[s].ns); - fprintf(w, " Bytes In/Out: %lu/%lu\r\n", (unsigned long)session[s].cin, (unsigned long)session[s].cout); - fprintf(w, " Pkts In/Out: %lu/%lu\r\n", (unsigned long)session[s].pin, (unsigned long)session[s].pout); - fprintf(w, " Radius Session: %u\r\n", session[s].radius); - fprintf(w, " Rx Speed: %lu\r\n", session[s].rx_connect_speed); - fprintf(w, " Tx Speed: %lu\r\n", session[s].tx_connect_speed); - fprintf(w, " Intercepted: %s\r\n", session[s].snoop ? "YES" : "no"); - fprintf(w, " Throttled: %s\r\n", session[s].throttle ? "YES" : "no"); - fprintf(w, " Walled Garden: %s\r\n", session[s].walled_garden ? "YES" : "no"); - fprintf(w, " Filter Bucket: %s\r\n", session[s].tbf ? filter_buckets[session[s].tbf].handle : "none"); + /* 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; + + desc = va_arg(ap, char *); + if (desc && *desc) + cli_print(cli, " %-20s %s", p, desc); + else + cli_print(cli, " %s", p); + + entry = desc ? va_arg(ap, char *) : 0; } + + va_end(ap); + if (cr_ok) + cli_print(cli, " "); + return CLI_OK; - } - - // Show Summary - fprintf(w, " %s %4s %-32s %-15s %s %s %s %10s %10s %10s %4s %-15s %s\r\n", - "SID", - "TID", - "Username", - "IP", - "I", - "T", - "S", - "opened", - "downloaded", - "uploaded", - "idle", - "LAC", - "CLI"); - for (i = 0; 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))); - fprintf(w, "%5d %4d %-32s %-15s %s %s %s %10lu %10lu %10lu %4u %-15s %s\r\n", - i, - session[i].tunnel, - session[i].user[0] ? session[i].user : "*", - userip, - (session[i].snoop) ? "Y" : "N", - (session[i].throttle) ? "Y" : "N", - (session[i].walled_garden) ? "Y" : "N", - (unsigned long)session[i].opened, - (unsigned long)session[i].cout, - (unsigned long)session[i].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; -} - -int cmd_show_tunnels(struct cli_def *cli, FILE *w, char *command, char **argv, int argc) -{ - int i, x; - time_t time_now; - - time(&time_now); - if (argc > 0) - { - // Show individual tunnel - for (i = 0; i < argc; i++) +} + +int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc) +{ + 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) + { + // 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", inet_toa(htonl(session[s].ip))); + cli_print(cli, "\tUnique SID:\t%lu", session[s].unique_id); + cli_print(cli, "\tIdle time:\t%u seconds", abs(time_now - session[s].last_packet)); + cli_print(cli, "\tNext Recv:\t%u", session[s].nr); + cli_print(cli, "\tNext Send:\t%u", session[s].ns); + cli_print(cli, "\tBytes In/Out:\t%lu/%lu", (unsigned long)session[s].total_cout, (unsigned long)session[s].total_cin); + cli_print(cli, "\tPkts In/Out:\t%lu/%lu", (unsigned long)session[s].pout, (unsigned long)session[s].pin); + cli_print(cli, "\tMRU:\t\t%d", session[s].mru); + cli_print(cli, "\tRadius Session:\t%u", session[s].radius); + cli_print(cli, "\tRx Speed:\t%lu", session[s].rx_connect_speed); + cli_print(cli, "\tTx Speed:\t%lu", session[s].tx_connect_speed); + if (session[s].snoop_ip && session[s].snoop_port) + cli_print(cli, "\tIntercepted:\t%s:%d", inet_toa(session[s].snoop_ip), 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); + + } + return CLI_OK; + } + + // Show Summary + cli_print(cli, "%5s %4s %-32s %-15s %s %s %s %10s %10s %10s %4s %-15s %s", + "SID", + "TID", + "Username", + "IP", + "I", + "T", + "G", + "opened", + "downloaded", + "uploaded", + "idle", + "LAC", + "CLI"); + + for (i = 1; i < MAXSESSION; i++) { - char s[65535] = {0}; - unsigned int t; - t = atoi(argv[i]); - if (!t || t > MAXTUNNEL) - { - fprintf(w, "Invalid tunnel id \"%s\"\r\n", argv[i]); - continue; - } - fprintf(w, "\r\nTunnel %d:\r\n", t); - fprintf(w, " Hostname: %s\r\n", tunnel[t].hostname[0] ? tunnel[t].hostname : "(none)"); - fprintf(w, " Remote IP: %s\r\n", inet_toa(htonl(tunnel[t].ip))); - fprintf(w, " Remote Port: %d\r\n", tunnel[t].port); - fprintf(w, " Rx Window: %u\r\n", tunnel[t].window); - fprintf(w, " Next Recv: %u\r\n", tunnel[t].nr); - fprintf(w, " Next Send: %u\r\n", tunnel[t].ns); - fprintf(w, " Queue Len: %u\r\n", tunnel[t].controlc); - fprintf(w, " Last Packet Age:%u\r\n", (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); - fprintf(w, " Sessions: %s\r\n", s); + 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_ip && session[i].snoop_port) ? "Y" : "N", + (session[i].throttle_in || session[i].throttle_out) ? "Y" : "N", + (session[i].walled_garden) ? "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; - } - - // Show tunnel summary - fprintf(w, "%s %s %s %s\r\n", - "TID", - "Hostname", - "IP", - "Sessions"); - for (i = 0; i < MAXTUNNEL; i++) - { - int sessions = 0; - if (!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++; - fprintf(w, "%d %s %s %d\r\n", - i, - tunnel[i].hostname, - inet_toa(htonl(tunnel[i].ip)), - sessions); - } - return CLI_OK; -} - -int cmd_show_users(struct cli_def *cli, FILE *w, 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; - fprintf(w, "%s\r\n", - session[i].user); - } - return CLI_OK; -} - -int cmd_show_counters(struct cli_def *cli, FILE *w, char *command, char **argv, int argc) -{ - fprintf(w, "%-10s %-8s %-10s %-8s\r\n", "Ethernet", "Bytes", "Packets", "Errors"); - fprintf(w, "%-10s %8lu %8lu %8lu\r\n", "RX", - GET_STAT(tap_rx_bytes), - GET_STAT(tap_rx_packets), - GET_STAT(tap_rx_errors)); - fprintf(w, "%-10s %8lu %8lu %8lu\r\n", "TX", - GET_STAT(tap_tx_bytes), - GET_STAT(tap_tx_packets), - GET_STAT(tap_tx_errors)); - fprintf(w, "\r\n"); - - fprintf(w, "%-10s %-8s %-10s %-8s %-8s\r\n", "Tunnel", "Bytes", "Packets", "Errors", "Retries"); - fprintf(w, "%-10s %8lu %8lu %8lu %8lu\r\n", "RX", - GET_STAT(tunnel_rx_bytes), - GET_STAT(tunnel_rx_packets), - GET_STAT(tunnel_rx_errors), - 0L); - fprintf(w, "%-10s %8lu %8lu %8lu %8lu\r\n", "TX", - GET_STAT(tunnel_tx_bytes), - GET_STAT(tunnel_tx_packets), - GET_STAT(tunnel_rx_errors), - GET_STAT(tunnel_retries)); - fprintf(w, "\r\n"); - - fprintf(w, "%-30s%-10s\r\n", "Counter", "Value"); - fprintf(w, "-----------------------------------------\r\n"); - fprintf(w, "%-30s%lu\r\n", "radius_retries", GET_STAT(radius_retries)); - fprintf(w, "%-30s%lu\r\n", "arp_errors", GET_STAT(arp_errors)); - fprintf(w, "%-30s%lu\r\n", "arp_replies", GET_STAT(arp_replies)); - fprintf(w, "%-30s%lu\r\n", "arp_discarded", GET_STAT(arp_discarded)); - fprintf(w, "%-30s%lu\r\n", "arp_sent", GET_STAT(arp_sent)); - fprintf(w, "%-30s%lu\r\n", "arp_recv", GET_STAT(arp_recv)); - fprintf(w, "%-30s%lu\r\n", "packets_snooped", GET_STAT(packets_snooped)); - fprintf(w, "%-30s%lu\r\n", "tunnel_created", GET_STAT(tunnel_created)); - fprintf(w, "%-30s%lu\r\n", "session_created", GET_STAT(session_created)); - fprintf(w, "%-30s%lu\r\n", "tunnel_timeout", GET_STAT(tunnel_timeout)); - fprintf(w, "%-30s%lu\r\n", "session_timeout", GET_STAT(session_timeout)); - fprintf(w, "%-30s%lu\r\n", "radius_timeout", GET_STAT(radius_timeout)); - fprintf(w, "%-30s%lu\r\n", "radius_overflow", GET_STAT(radius_overflow)); - fprintf(w, "%-30s%lu\r\n", "tunnel_overflow", GET_STAT(tunnel_overflow)); - fprintf(w, "%-30s%lu\r\n", "session_overflow", GET_STAT(session_overflow)); - fprintf(w, "%-30s%lu\r\n", "ip_allocated", GET_STAT(ip_allocated)); - fprintf(w, "%-30s%lu\r\n", "ip_freed", GET_STAT(ip_freed)); - -#ifdef STAT_CALLS - fprintf(w, "\n%-30s%-10s\r\n", "Counter", "Value"); - fprintf(w, "-----------------------------------------\r\n"); - fprintf(w, "%-30s%lu\r\n", "call_processtap", GET_STAT(call_processtap)); - fprintf(w, "%-30s%lu\r\n", "call_processarp", GET_STAT(call_processarp)); - fprintf(w, "%-30s%lu\r\n", "call_processipout", GET_STAT(call_processipout)); - fprintf(w, "%-30s%lu\r\n", "call_processudp", GET_STAT(call_processudp)); - fprintf(w, "%-30s%lu\r\n", "call_processpap", GET_STAT(call_processpap)); - fprintf(w, "%-30s%lu\r\n", "call_processchap", GET_STAT(call_processchap)); - fprintf(w, "%-30s%lu\r\n", "call_processlcp", GET_STAT(call_processlcp)); - fprintf(w, "%-30s%lu\r\n", "call_processipcp", GET_STAT(call_processipcp)); - fprintf(w, "%-30s%lu\r\n", "call_processipin", GET_STAT(call_processipin)); - fprintf(w, "%-30s%lu\r\n", "call_processccp", GET_STAT(call_processccp)); - fprintf(w, "%-30s%lu\r\n", "call_processrad", GET_STAT(call_processrad)); - fprintf(w, "%-30s%lu\r\n", "call_sendarp", GET_STAT(call_sendarp)); - fprintf(w, "%-30s%lu\r\n", "call_sendipcp", GET_STAT(call_sendipcp)); - fprintf(w, "%-30s%lu\r\n", "call_sendchap", GET_STAT(call_sendchap)); - fprintf(w, "%-30s%lu\r\n", "call_sessionbyip", GET_STAT(call_sessionbyip)); - fprintf(w, "%-30s%lu\r\n", "call_sessionbyuser", GET_STAT(call_sessionbyuser)); - fprintf(w, "%-30s%lu\r\n", "call_tunnelsend", GET_STAT(call_tunnelsend)); - fprintf(w, "%-30s%lu\r\n", "call_tunnelkill", GET_STAT(call_tunnelkill)); - fprintf(w, "%-30s%lu\r\n", "call_tunnelshutdown", GET_STAT(call_tunnelshutdown)); - fprintf(w, "%-30s%lu\r\n", "call_sessionkill", GET_STAT(call_sessionkill)); - fprintf(w, "%-30s%lu\r\n", "call_sessionshutdown", GET_STAT(call_sessionshutdown)); - fprintf(w, "%-30s%lu\r\n", "call_sessionsetup", GET_STAT(call_sessionsetup)); - fprintf(w, "%-30s%lu\r\n", "call_assign_ip_address",GET_STAT(call_assign_ip_address)); - fprintf(w, "%-30s%lu\r\n", "call_free_ip_address", GET_STAT(call_free_ip_address)); - fprintf(w, "%-30s%lu\r\n", "call_dump_acct_info", GET_STAT(call_dump_acct_info)); - fprintf(w, "%-30s%lu\r\n", "call_radiussend", GET_STAT(call_radiussend)); - fprintf(w, "%-30s%lu\r\n", "call_radiusretry", GET_STAT(call_radiusretry)); -#endif - return CLI_OK; } -int cmd_show_version(struct cli_def *cli, FILE *w, char *command, char **argv, int argc) -{ - fprintf(w, "L2TPNS %s\r\n", VERSION); - fprintf(w, "ID: %s\r\n", rcs_id); - return CLI_OK; -} -int cmd_show_pool(struct cli_def *cli, FILE *w, char *command, char **argv, int argc) +int cmd_show_tunnels(struct cli_def *cli, char *command, char **argv, int argc) { - int i; - int used = 0, free = 0; - - fprintf(w, "%-15s %4s %8s %s\r\n", "IP Address", "Used", "Session", "User"); - for (i = 0; i < MAXIPPOOL; i++) - { - sessionidt s = 0; + int i, x, show_all = 0; + char *states[] = { + "Free", + "Open", + "Closing", + "Opening", + }; + + if (CLI_HELP_REQUESTED) + { + 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); + } - if (!ip_address_pool[i].address) continue; - if (ip_address_pool[i].assigned) + time(&time_now); + if (argc > 0) { - used++; - s = sessionbyip(ip_address_pool[i].address); + 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", inet_toa(htonl(tunnel[t].ip))); + 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; + } } - else + + // Show tunnel summary + cli_print(cli, "%4s %20s %20s %6s %s", + "TID", + "Hostname", + "IP", + "State", + "Sessions"); + + for (i = 1; i < MAXTUNNEL; i++) { - free++; + 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, "%4d %20s %20s %6s %6d", + i, + *tunnel[i].hostname ? tunnel[i].hostname : "(null)", + inet_toa(htonl(tunnel[i].ip)), + states[tunnel[i].state], + sessions); } - fprintf(w, "%-15s %4s %8d %s\r\n", - inet_toa(ip_address_pool[i].address), - (s) ? "Y" : "N", - s, - session[s].user); - } - fprintf(w, "\r\nFree: %d\r\nUsed: %d\r\n", free, used); - return CLI_OK; + return CLI_OK; } -int cmd_show_banana(struct cli_def *cli, FILE *w, char *command, char **argv, int argc) + +int cmd_show_users(struct cli_def *cli, char *command, char **argv, int argc) { - fputs(" _\r\n" - "//\\\r\n" - "V \\\r\n" - " \\ \\_\r\n" - " \\,'.`-.\r\n" - " |\\ `. `.\r\n" - " ( \\ `. `-. _,.-:\\\r\n" - " \\ \\ `. `-._ __..--' ,-';/\r\n" - " \\ `. `-. `-..___..---' _.--' ,'/\r\n" - " `. `. `-._ __..--' ,' /\r\n" - " `. `-_ ``--..'' _.-' ,'\r\n" - " `-_ `-.___ __,--' ,'\r\n" - " `-.__ `----\"\"\" __.-'\r\n" - "hh `--..____..--'\r\n", w); + 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) + { + 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); + } + + if (sargc > 0) + return cmd_show_session(cli, "users", sargv, sargc); - return CLI_OK; + return CLI_OK; } -int cmd_clear_counters(struct cli_def *cli, FILE *w, char *command, char **argv, int argc) +int cmd_show_counters(struct cli_def *cli, char *command, char **argv, int argc) { - fprintf(w, "Counters cleared\r\n"); - SET_STAT(last_reset, time(NULL)); - return CLI_OK; + if (CLI_HELP_REQUESTED) + return CLI_HELP_NO_ARGS; + + cli_print(cli, "%-10s %-8s %-10s %-8s", "Ethernet", "Bytes", "Packets", "Errors"); + cli_print(cli, "%-10s %8lu %8lu %8lu", "RX", + GET_STAT(tun_rx_bytes), + GET_STAT(tun_rx_packets), + GET_STAT(tun_rx_errors)); + cli_print(cli, "%-10s %8lu %8lu %8lu", "TX", + GET_STAT(tun_tx_bytes), + GET_STAT(tun_tx_packets), + GET_STAT(tun_tx_errors)); + cli_print(cli, ""); + + cli_print(cli, "%-10s %-8s %-10s %-8s %-8s", "Tunnel", "Bytes", "Packets", "Errors", "Retries"); + cli_print(cli, "%-10s %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_tx_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_sent", GET_STAT(arp_sent)); + 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)); + cli_print(cli, "%-30s%lu", "cluster_forwarded", GET_STAT(c_forwarded)); + cli_print(cli, "%-30s%lu", "recv_forward", GET_STAT(recv_forward)); + + +#ifdef STATISTICS + cli_print(cli, "\n%-30s%-10s", "Counter", "Value"); + cli_print(cli, "-----------------------------------------"); + cli_print(cli, "%-30s%lu", "call_processtun", GET_STAT(call_processtun)); + 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; } -int cmd_drop_user(struct cli_def *cli, FILE *w, char *command, char **argv, int argc) +int cmd_show_version(struct cli_def *cli, char *command, char **argv, int argc) { - int i; - sessionidt s; + 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) + { + char const *p = strchr(cvs_name, ':'); + char const *e; + if (p) + { + p++; + while (isspace(*p)) + p++; + } + + if (!p || *p == '$') + p = "HEAD"; + + e = strpbrk(p, " \t$"); + cli_print(cli, "Tag: %.*s", e ? e - p + 1 : strlen(p), p); + } + + if (file) + { + extern linked_list *loaded_plugins; + void *p; + + cli_print(cli, "Files:"); + cli_print(cli, " %s", cvs_id_arp); +#ifdef BGP + cli_print(cli, " %s", cvs_id_bgp); +#endif /* BGP */ + cli_print(cli, " %s", cvs_id_cli); + cli_print(cli, " %s", cvs_id_cluster); + cli_print(cli, " %s", cvs_id_constants); + cli_print(cli, " %s", cvs_id_control); + cli_print(cli, " %s", cvs_id_icmp); + cli_print(cli, " %s", cvs_id_l2tpns); + cli_print(cli, " %s", cvs_id_ll); + cli_print(cli, " %s", cvs_id_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); + } + } - if (!argc) - { - fprintf(w, "Specify a user to drop\r\n"); return CLI_OK; - } - for (i = 0; i < argc; i++) - { - if (strchr(argv[i], '?')) +} + +int cmd_show_pool(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + int used = 0, free = 0, show_all = 0; + + if (!config->cluster_iam_master) { - fprintf(w, "username ..."); - return CLI_OK; + cli_print(cli, "Can't do this on a slave. Do it on %s", inet_toa(config->cluster_master_address)); + return CLI_OK; } - } - for (i = 0; i < argc; i++) - { - if (!(s = sessionbyuser(argv[i]))) + if (CLI_HELP_REQUESTED) { - fprintf(w, "User %s is not connected\r\n", argv[i]); - 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].ip && 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; + if (!ip_address_pool[i].address) continue; + if (ip_address_pool[i].assigned) + { + cli_print(cli, "%-15s\tY %8d %s", + inet_toa(htonl(ip_address_pool[i].address)), ip_address_pool[i].session, session[ip_address_pool[i].session].user); - fprintf(w, "Dropping user %s\r\n", session[s].user); - for (x = 0; x < MAXSESSION; x++) - { - if (!cli_session_kill[x]) + used++; + } + else { - cli_session_kill[x] = s; - break; + if (ip_address_pool[i].last) + cli_print(cli, "%-15s\tN %8s [%s] %ds", + inet_toa(htonl(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\tN", inet_toa(htonl(ip_address_pool[i].address))); + + free++; } - } } - } - 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; +} + +void print_save_config(struct cli_def *cli, char *string) +{ + if (save_config_fh) + fprintf(save_config_fh, "%s\n", string); } -int cmd_drop_tunnel(struct cli_def *cli, FILE *w, char *command, char **argv, int argc) +int cmd_write_memory(struct cli_def *cli, char *command, char **argv, int argc) { - int i; - tunnelidt tid; + if (CLI_HELP_REQUESTED) + return CLI_HELP_NO_ARGS; - if (!argc) - { - fprintf(w, "Specify a tunnel to drop\r\n"); - 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, "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); + } + else { - fprintf(w, "tunnel_id ..."); - return CLI_OK; + 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 i; + + if (CLI_HELP_REQUESTED) + return CLI_HELP_NO_ARGS; - for (i = 0; i < argc; i++) - { - int x; + cli_print(cli, "# Current configuration:"); - if ((tid = atol(argv[i])) <= 0 || (tid > MAXTUNNEL)) + for (i = 0; config_values[i].key; i++) { - fprintf(w, "Invalid tunnel ID (%d - %d)\r\n", 0, MAXTUNNEL); - continue; + 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); + 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)); } - if (!tunnel[tid].ip) + cli_print(cli, "# Plugins"); + for (i = 0; i < MAXPLUGINS; i++) { - fprintf(w, "Tunnel %d is not connected\r\n", tid); - continue; + if (*config->plugins[i]) + { + cli_print(cli, "load plugin \"%s\"", config->plugins[i]); + } + } + + cli_print(cli, "# end"); + return CLI_OK; +} + +int cmd_show_radius(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i, free = 0, used = 0, show_all = 0; + char *states[] = { + "NULL", + "CHAP", + "AUTH", + "IPCP", + "START", + "STOP", + "WAIT", + }; + + if (CLI_HELP_REQUESTED) + { + if (argc > 1) + return cli_arg_help(cli, 1, NULL); + + return cli_arg_help(cli, 1, + "all", "Show all RADIUS sessions, including unused", + NULL); } - if (tunnel[tid].die) + cli_print(cli, "%6s%6s%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++) { - fprintf(w, "Tunnel %d is already being shut down\r\n", tid); - continue; + if (radius[i].state == RADIUSNULL) + free++; + else + used++; + + if (!show_all && radius[i].state == RADIUSNULL) continue; + + cli_print(cli, "%6d%6d%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); } - for (x = 0; x < MAXTUNNEL; x++) + cli_print(cli, "\r\nFree: %d\r\nUsed: %d", free, used); + + return CLI_OK; +} + +int cmd_show_plugins(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + + if (CLI_HELP_REQUESTED) + return CLI_HELP_NO_ARGS; + + 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; +} + +int cmd_show_throttle(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + + if (CLI_HELP_REQUESTED) + return CLI_HELP_NO_ARGS; + + cli_print(cli, "%5s %4s %-32s %7s %6s %6s %6s", + "SID", + "TID", + "Username", + "Rate In", + "Out", + "TBFI", + "TBFO"); + + for (i = 0; i < MAXSESSION; i++) { - if (!cli_tunnel_kill[x]) - { - cli_tunnel_kill[x] = tid; - fprintf(w, "Tunnel %d shut down (%s)\r\n", tid, tunnel[tid].hostname); - break; - } + 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_show_banana(struct cli_def *cli, char *command, char **argv, int argc) +{ + 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; } -int cmd_drop_session(struct cli_def *cli, FILE *w, char *command, char **argv, int argc) +int cmd_clear_counters(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) - { - fprintf(w, "Specify a session id to drop\r\n"); + cli_print(cli, "Counters cleared"); + SET_STAT(last_reset, time(NULL)); return CLI_OK; - } - for (i = 0; i < argc; i++) - { - if (strchr(argv[i], '?')) +} + +int cmd_drop_user(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 drop", NULL); + + if (!config->cluster_iam_master) { - fprintf(w, "session_id ..."); - return CLI_OK; + cli_print(cli, "Can't do this on a slave. Do it on %s", inet_toa(config->cluster_master_address)); + return CLI_OK; } - } - for (i = 0; i < argc; i++) - { - if ((s = atol(argv[i])) <= 0 || (s > MAXSESSION)) + if (!argc) { - fprintf(w, "Invalid session ID (%d - %d)\r\n", 0, MAXSESSION); - continue; + cli_print(cli, "Specify a user to drop"); + return CLI_OK; } - if (session[s].ip && session[s].opened && !session[s].die) + for (i = 0; i < argc; i++) { - int x; - for (x = 0; x < MAXSESSION; x++) - { - if (!cli_session_kill[x]) + if (!(s = sessionbyuser(argv[i]))) + { + cli_print(cli, "User %s is not connected", argv[i]); + continue; + } + + if (session[s].ip && session[s].opened && !session[s].die) { - cli_session_kill[x] = s; - break; + cli_print(cli, "Dropping user %s", session[s].user); + cli_session_actions[s].action |= CLI_SESS_KILL; } - } - fprintf(w, "Dropping session %d\r\n", s); } - else + + return CLI_OK; +} + +int cmd_drop_tunnel(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + tunnelidt t; + + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, argc > 1, + "<1-%d>", MAXTUNNEL-1, "Tunnel id to drop", NULL); + + if (!config->cluster_iam_master) + { + cli_print(cli, "Can't do this on a slave. Do it on %s", inet_toa(config->cluster_master_address)); + return CLI_OK; + } + + if (!argc) { - fprintf(w, "Session %d is not active.\r\n", s); + cli_print(cli, "Specify a tunnel to drop"); + return CLI_OK; } - } - return CLI_OK; + for (i = 0; i < argc; i++) + { + if ((t = atol(argv[i])) <= 0 || (t >= MAXTUNNEL)) + { + cli_print(cli, "Invalid tunnel ID (1-%d)", MAXTUNNEL-1); + continue; + } + + if (!tunnel[t].ip) + { + cli_print(cli, "Tunnel %d is not connected", t); + continue; + } + + if (tunnel[t].die) + { + cli_print(cli, "Tunnel %d is already being shut down", t); + continue; + } + + cli_print(cli, "Tunnel %d shut down (%s)", t, tunnel[t].hostname); + cli_tunnel_actions[t].action |= CLI_TUN_KILL; + } + + return CLI_OK; } -int cmd_snoop(struct cli_def *cli, FILE *w, char *command, char **argv, int argc) +int cmd_drop_session(struct cli_def *cli, char *command, char **argv, int argc) { - int i; - sessionidt s; + int i; + sessionidt s; - if (!argc) - { - fprintf(w, "Specify a user\r\n"); - return CLI_OK; - } - for (i = 0; i < argc; i++) - { - if (strchr(argv[i], '?')) + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, argc > 1, + "<1-%d>", MAXSESSION-1, "Session id to drop", NULL); + + if (!config->cluster_iam_master) + { + cli_print(cli, "Can't do this on a slave. Do it on %s", inet_toa(config->cluster_master_address)); + return CLI_OK; + } + + if (!argc) { - fprintf(w, "username ..."); - return CLI_OK; + cli_print(cli, "Specify a session id to drop"); + return CLI_OK; } - } - for (i = 0; i < argc; i++) - { - if (!(s = sessionbyuser(argv[i]))) + for (i = 0; i < argc; i++) { - fprintf(w, "User %s is not connected\r\n", argv[i]); - continue; + if ((s = atol(argv[i])) <= 0 || (s > MAXSESSION)) + { + cli_print(cli, "Invalid session ID (1-%d)", MAXSESSION-1); + continue; + } + + 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_print(cli, "Session %d is not active.", s); + } } - session[s].snoop = 1; - fprintf(w, "Snooping user %s\r\n", argv[i]); - } - return CLI_OK; + return CLI_OK; } -int cmd_no_snoop(struct cli_def *cli, FILE *w, char *command, char **argv, int argc) +int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc) { - int i; - sessionidt s; + ipt ip; + u16 port; + sessionidt s; - if (!argc) - { - fprintf(w, "Specify a user\r\n"); - return CLI_OK; - } - for (i = 0; i < argc; i++) - { - if (strchr(argv[i], '?')) + 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_print(cli, "Can't do this on a slave. Do it on %s", inet_toa(config->cluster_master_address)); + return CLI_OK; + } + + if (argc < 3) + { + cli_print(cli, "Specify username, ip and port"); + return CLI_OK; + } + + if (!(s = sessionbyuser(argv[0]))) + { + cli_print(cli, "User %s is not connected", argv[0]); + return CLI_OK; + } + + ip = inet_addr(argv[1]); + if (!ip || ip == INADDR_NONE) { - fprintf(w, "username ..."); - return CLI_OK; + cli_print(cli, "Cannot parse IP \"%s\"", argv[1]); + return CLI_OK; } - } - for (i = 0; i < argc; i++) - { - if (!(s = sessionbyuser(argv[i]))) + port = atoi(argv[2]); + if (!port) { - fprintf(w, "User %s is not connected\r\n", argv[i]); - continue; + cli_print(cli, "Invalid port %s", argv[2]); + return CLI_OK; } - session[s].snoop = 0; - fprintf(w, "Not snooping user %s\r\n", argv[i]); - } - return CLI_OK; + cli_print(cli, "Snooping user %s to %s:%d", argv[0], inet_toa(session[s].snoop_ip), session[s].snoop_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; } -int cmd_throttle(struct cli_def *cli, FILE *w, char *command, char **argv, int argc) +int cmd_no_snoop(struct cli_def *cli, char *command, char **argv, int argc) { - int i; - sessionidt s; + int i; + sessionidt s; - if (!argc) - { - fprintf(w, "Specify a user\r\n"); - return CLI_OK; - } - for (i = 0; i < argc; i++) - { - if (strchr(argv[i], '?')) + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, argc > 1, + "USER", "Username of session to unsnoop", NULL); + + if (!config->cluster_iam_master) + { + cli_print(cli, "Can't do this on a slave. Do it on %s", inet_toa(config->cluster_master_address)); + return CLI_OK; + } + + if (!argc) { - fprintf(w, "username ..."); - return CLI_OK; + cli_print(cli, "Specify a user to unsnoop"); + return CLI_OK; } - } - for (i = 0; i < argc; i++) - { - if (!(s = sessionbyuser(argv[i]))) + for (i = 0; i < argc; i++) { - fprintf(w, "User %s is not connected\r\n", argv[i]); - continue; + if (!(s = sessionbyuser(argv[i]))) + { + cli_print(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; } - throttle_session(s, 1); - fprintf(w, "throttling user %s\r\n", argv[i]); - } - return CLI_OK; + return CLI_OK; } -int cmd_no_throttle(struct cli_def *cli, FILE *w, char *command, char **argv, int argc) +int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc) { - int i; - sessionidt s; + 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_print(cli, "Can't do this on a slave. Do it on %s", inet_toa(config->cluster_master_address)); + return CLI_OK; + } + + if (argc == 0) + { + cli_print(cli, "Specify a user to throttle"); + return CLI_OK; + } + + if (!(s = sessionbyuser(argv[0]))) + { + cli_print(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_print(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 len = strlen(argv[i]); + int r = 0; + if (!strncasecmp(argv[i], "in", len)) + r = rate_in = atoi(argv[i+1]); + else if (!strncasecmp(argv[i], "out", len)) + r = rate_out = atoi(argv[i+1]); + + if (r < 1) + { + cli_print(cli, "Invalid rate specification \"%s %s\"", argv[i], argv[i+1]); + return CLI_OK; + } + } + } + else + { + cli_print(cli, "Invalid arguments"); + return CLI_OK; + } + + if ((rate_in && session[s].throttle_in) || (rate_out && session[s].throttle_out)) + { + cli_print(cli, "User %s already throttled, unthrottle first", argv[0]); + 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_print(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; - if (!argc) - { - fprintf(w, "Specify a user\r\n"); return CLI_OK; - } - for (i = 0; i < argc; i++) - { - if (strchr(argv[i], '?')) +} + +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) { - fprintf(w, "username ..."); - return CLI_OK; + cli_print(cli, "Can't do this on a slave. Do it on %s", inet_toa(config->cluster_master_address)); + return CLI_OK; } - } - for (i = 0; i < argc; i++) + if (!argc) { - if (!(s = sessionbyuser(argv[i]))) + cli_print(cli, "Specify a user to unthrottle"); + return CLI_OK; + } + + for (i = 0; i < argc; i++) { - fprintf(w, "User %s is not connected\r\n", argv[i]); - continue; + if (!(s = sessionbyuser(argv[i]))) + { + cli_print(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_print(cli, "User %s not throttled", argv[i]); + } } - throttle_session(s, 0); - fprintf(w, "unthrottling user %s\r\n", argv[i]); - } - return CLI_OK; + return CLI_OK; } -int cmd_debug(struct cli_def *cli, FILE *w, char *command, char **argv, int argc) +int cmd_debug(struct cli_def *cli, char *command, char **argv, int argc) { - int i; + 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 (!strncasecmp(argv[i], "critical", len)) { debug_flags.critical = 1; continue; } + if (!strncasecmp(argv[i], "error", len)) { debug_flags.error = 1; continue; } + if (!strncasecmp(argv[i], "warning", len)) { debug_flags.warning = 1; continue; } + if (!strncasecmp(argv[i], "info", len)) { debug_flags.info = 1; continue; } + if (!strncasecmp(argv[i], "calls", len)) { debug_flags.calls = 1; continue; } + if (!strncasecmp(argv[i], "data", len)) { debug_flags.data = 1; continue; } + if (!strncasecmp(argv[i], "all", len)) + { + memset(&debug_flags, 1, sizeof(debug_flags)); + debug_flags.data = 0; + continue; + } + + cli_print(cli, "Invalid debugging flag \"%s\"", argv[i]); + } - if (!argc) - { - fprintf(w, "Currently debugging: "); - if (debug_flags.critical) fprintf(w, "critical "); - if (debug_flags.error) fprintf(w, "error "); - if (debug_flags.warning) fprintf(w, "warning "); - if (debug_flags.info) fprintf(w, "info "); - if (debug_flags.calls) fprintf(w, "calls "); - if (debug_flags.data) fprintf(w, "data "); - fprintf(w, "\r\n"); return CLI_OK; - } +} - for (i = 0; i < argc; i++) - { - if (*argv[i] == '?') +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) { - fprintf(w, "Possible debugging states are:\r\n"); - fprintf(w, " critical\r\n"); - fprintf(w, " error\r\n"); - fprintf(w, " warning\r\n"); - fprintf(w, " info\r\n"); - fprintf(w, " calls\r\n"); - fprintf(w, " data\r\n"); - return CLI_OK; + memset(&debug_flags, 0, sizeof(debug_flags)); + 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) + for (i = 0; i < argc; i++) { - memset(&debug_flags, 1, sizeof(debug_flags)); - debug_flags.data = 0; + int len = strlen(argv[i]); + + if (argv[i][0] == 'c' && len < 2) + len = 2; /* distinguish [cr]itical from [ca]lls */ + + if (!strncasecmp(argv[i], "critical", len)) { debug_flags.critical = 0; continue; } + if (!strncasecmp(argv[i], "error", len)) { debug_flags.error = 0; continue; } + if (!strncasecmp(argv[i], "warning", len)) { debug_flags.warning = 0; continue; } + if (!strncasecmp(argv[i], "info", len)) { debug_flags.info = 0; continue; } + if (!strncasecmp(argv[i], "calls", len)) { debug_flags.calls = 0; continue; } + if (!strncasecmp(argv[i], "data", len)) { debug_flags.data = 0; continue; } + if (!strncasecmp(argv[i], "all", len)) + { + memset(&debug_flags, 0, sizeof(debug_flags)); + continue; + } + + cli_print(cli, "Invalid debugging flag \"%s\"", argv[i]); } - } - return CLI_OK; + return CLI_OK; } -int cmd_no_debug(struct cli_def *cli, FILE *w, char *command, char **argv, int argc) +int cmd_load_plugin(struct cli_def *cli, char *command, char **argv, int argc) { - int i; + 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_print(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_print(cli, "Plugin is already loaded"); + return CLI_OK; + } + } - 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)); - } + 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; + return CLI_OK; } -int cmd_watch_session(struct cli_def *cli, FILE *w, char *command, char **argv, int argc) +int cmd_remove_plugin(struct cli_def *cli, char *command, char **argv, int argc) { - sessionidt s; + int i; + + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, argc > 1, + "PLUGIN", "Name of plugin to unload", NULL); + + if (argc != 1) + { + cli_print(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; + } + } - if (argc != 1) - { - fprintf(w, "Specify a single session to debug (0 to disable)\r\n"); + cli_print(cli, "Plugin is not loaded"); return CLI_OK; - } - s = atoi(argv[0]); +} + +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 (debug_session) - fprintf(w, "No longer debugging session %d\r\n", debug_session); + if (secs >= 3600) + { + int mins = secs / 60; + int hrs = mins / 60; - if (s) fprintf(w, "Debugging session %d.\r\n", s); - debug_session = s; + 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 CLI_OK; + return buf; } -int cmd_watch_tunnel(struct cli_def *cli, FILE *w, char *command, char **argv, int argc) +int cmd_uptime(struct cli_def *cli, char *command, char **argv, int argc) { - tunnelidt s; + FILE *fh; + char buf[100], *p = buf, *loads[3]; + int i, num_sessions = 0; - if (argc != 1) - { - fprintf(w, "Specify a single tunnel to debug (0 to disable)\r\n"); - return CLI_OK; - } - s = atoi(argv[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++; - if (debug_tunnel) - fprintf(w, "No longer debugging tunnel %d\r\n", debug_tunnel); + 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]); - if (s) fprintf(w, "Debugging tunnel %d.\r\n", s); - debug_tunnel = s; + cli_print(cli, "Bandwidth: %s", config->bandwidth); - return CLI_OK; + return CLI_OK; } -int regular_stuff(struct cli_def *cli, FILE *w) +int cmd_set(struct cli_def *cli, char *command, char **argv, int argc) { - int i = debug_rb_tail; + int i; -#ifdef RINGBUFFER - while (i != ringbuffer->tail) - { - int show_message = 0; + 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(argv[0], config_values[i].key, len)) + cli_print(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 (*ringbuffer->buffer[i].message) + if (argc != 2) { - // 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_print(cli, "Specify variable and value"); + return CLI_OK; } - if (show_message) + for (i = 0; config_values[i].key; i++) { - ipt address = ntohl(ringbuffer->buffer[i].address); - char *ipaddr; - struct in_addr addr; + 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 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_print(cli, "Unknown variable type"); + break; + } + config->reload_config = 1; + return CLI_OK; + } + } - memcpy(&addr, &address, sizeof(ringbuffer->buffer[i].address)); - ipaddr = inet_ntoa(addr); + cli_print(cli, "Unknown variable \"%s\"", argv[0]); + return CLI_OK; +} - fprintf(w, "%s-%s-%u-%u %s\r", - debug_levels[(int)ringbuffer->buffer[i].level], - ipaddr, - ringbuffer->buffer[i].tunnel, - ringbuffer->buffer[i].session, - ringbuffer->buffer[i].message); - } +int regular_stuff(struct cli_def *cli) +{ + int i = debug_rb_tail; + int reprompt = 0; + +#ifdef RINGBUFFER + while (i != ringbuffer->tail) + { + int show_message = 0; + + if (*ringbuffer->buffer[i].message) + { + // 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; + } + + if (show_message) + { + ipt address = htonl(ringbuffer->buffer[i].address); + char *ipaddr; + struct in_addr addr; + + memcpy(&addr, &address, sizeof(ringbuffer->buffer[i].address)); + ipaddr = inet_ntoa(addr); + + 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); + + reprompt = 1; + } - if (++i == ringbuffer->tail) break; - if (i == RINGBUFFER_SIZE) i = 0; - } + if (++i == ringbuffer->tail) break; + if (i == RINGBUFFER_SIZE) i = 0; + } - debug_rb_tail = ringbuffer->tail; + debug_rb_tail = ringbuffer->tail; + if (reprompt) + cli_reprompt(cli); #endif - return CLI_OK; + return CLI_OK; } -#endif +// 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); +}