1756 lines
49 KiB
C
1756 lines
49 KiB
C
// L2TPNS Command Line Interface
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// vim: sw=8 ts=8
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char const *cvs_name = "$Name: $";
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char const *cvs_id_cli = "$Id: cli.c,v 1.18 2004/10/28 03:31:11 bodea Exp $";
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#include <stdio.h>
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#include <stdarg.h>
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#include <sys/file.h>
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#include <sys/stat.h>
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#include <syslog.h>
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#include <malloc.h>
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#include <sched.h>
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#include <string.h>
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#include <ctype.h>
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#include <stdlib.h>
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#include <time.h>
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#include <arpa/inet.h>
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#include <errno.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <signal.h>
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#include <unistd.h>
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#include <dlfcn.h>
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#include <libcli.h>
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#include "l2tpns.h"
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#include "util.h"
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#include "cluster.h"
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#include "tbf.h"
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#include "ll.h"
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#ifdef BGP
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#include "bgp.h"
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#endif
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extern tunnelt *tunnel;
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extern sessiont *session;
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extern radiust *radius;
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extern ippoolt *ip_address_pool;
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extern struct Tstats *_statistics;
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struct cli_def *cli = NULL;
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int cli_quit = 0;
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extern int clifd, udpfd, tunfd, snoopfd, ifrfd, cluster_sockfd;
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extern int *radfds;
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extern struct configt *config;
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extern struct config_descriptt config_values[];
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#ifdef RINGBUFFER
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extern struct Tringbuffer *ringbuffer;
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#endif
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extern struct cli_session_actions *cli_session_actions;
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extern struct cli_tunnel_actions *cli_tunnel_actions;
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extern tbft *filter_list;
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char *debug_levels[] = {
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"CRIT",
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"ERROR",
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"WARN",
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"INFO",
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"CALL",
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"DATA",
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};
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struct
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{
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char critical;
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char error;
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char warning;
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char info;
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char calls;
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char data;
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} debug_flags;
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int debug_session;
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int debug_tunnel;
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int debug_rb_tail;
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FILE *save_config_fh;
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int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_show_tunnels(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_show_users(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_show_radius(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_show_counters(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_show_version(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_show_pool(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_show_run(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_show_banana(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_show_plugins(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_show_throttle(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_show_cluster(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_write_memory(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_clear_counters(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_drop_user(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_drop_tunnel(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_drop_session(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_no_snoop(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_no_throttle(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_debug(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_no_debug(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_set(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_load_plugin(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_remove_plugin(struct cli_def *cli, char *command, char **argv, int argc);
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int cmd_uptime(struct cli_def *cli, char *command, char **argv, int argc);
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int regular_stuff(struct cli_def *cli);
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void parsemac(char *string, char mac[6]);
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void init_cli(char *hostname)
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{
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FILE *f;
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char buf[4096];
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struct cli_command *c;
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struct cli_command *c2;
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int on = 1;
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struct sockaddr_in addr;
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cli = cli_init();
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if (hostname && *hostname)
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cli_set_hostname(cli, hostname);
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else
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cli_set_hostname(cli, "l2tpns");
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c = cli_register_command(cli, NULL, "show", NULL, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, NULL);
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cli_register_command(cli, c, "banana", cmd_show_banana, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show a banana");
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#ifdef BGP
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cli_register_command(cli, c, "bgp", cmd_show_bgp, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show BGP status");
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#endif /* BGP */
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cli_register_command(cli, c, "cluster", cmd_show_cluster, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show cluster information");
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cli_register_command(cli, c, "ipcache", cmd_show_ipcache, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show contents of the IP cache");
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cli_register_command(cli, c, "plugins", cmd_show_plugins, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "List all installed plugins");
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cli_register_command(cli, c, "pool", cmd_show_pool, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show the IP address allocation pool");
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cli_register_command(cli, c, "radius", cmd_show_radius, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show active radius queries");
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cli_register_command(cli, c, "running-config", cmd_show_run, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show the currently running configuration");
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cli_register_command(cli, c, "session", cmd_show_session, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show a list of sessions or details for a single session");
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cli_register_command(cli, c, "tbf", cmd_show_tbf, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "List all token bucket filters in use");
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cli_register_command(cli, c, "throttle", cmd_show_throttle, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "List all throttled sessions and associated TBFs");
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cli_register_command(cli, c, "tunnels", cmd_show_tunnels, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show a list of tunnels or details for a single tunnel");
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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");
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cli_register_command(cli, c, "version", cmd_show_version, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show currently running software version");
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c2 = cli_register_command(cli, c, "histogram", NULL, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, NULL);
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cli_register_command(cli, c2, "idle", cmd_show_hist_idle, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show histogram of session idle times");
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cli_register_command(cli, c2, "open", cmd_show_hist_open, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show histogram of session durations");
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#ifdef STATISTICS
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cli_register_command(cli, c, "counters", cmd_show_counters, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Display all the internal counters and running totals");
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c = cli_register_command(cli, NULL, "clear", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, NULL);
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cli_register_command(cli, c, "counters", cmd_clear_counters, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Clear internal counters");
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#endif
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cli_register_command(cli, NULL, "uptime", cmd_uptime, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show uptime and bandwidth utilisation");
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c = cli_register_command(cli, NULL, "write", NULL, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, NULL);
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cli_register_command(cli, c, "memory", cmd_write_memory, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Save the running config to flash");
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cli_register_command(cli, c, "terminal", cmd_show_run, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show the running config");
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cli_register_command(cli, NULL, "snoop", cmd_snoop, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Temporarily enable interception for a user");
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cli_register_command(cli, NULL, "throttle", cmd_throttle, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Temporarily enable throttling for a user");
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cli_register_command(cli, NULL, "debug", cmd_debug, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Set the level of logging that is shown on the console");
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c = cli_register_command(cli, NULL, "suspend", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, NULL);
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cli_register_command(cli, c, "bgp", cmd_suspend_bgp, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Withdraw routes from BGP peer");
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c = cli_register_command(cli, NULL, "no", NULL, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, NULL);
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cli_register_command(cli, c, "snoop", cmd_no_snoop, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Temporarily disable interception for a user");
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cli_register_command(cli, c, "throttle", cmd_no_throttle, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Temporarily disable throttling for a user");
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cli_register_command(cli, c, "debug", cmd_no_debug, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Turn off logging of a certain level of debugging");
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c2 = cli_register_command(cli, c, "suspend", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, NULL);
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cli_register_command(cli, c2, "bgp", cmd_no_suspend_bgp, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Advertise routes to BGP peer");
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c = cli_register_command(cli, NULL, "drop", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, NULL);
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cli_register_command(cli, c, "user", cmd_drop_user, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Disconnect a user");
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cli_register_command(cli, c, "tunnel", cmd_drop_tunnel, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Disconnect a tunnel and all sessions on that tunnel");
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cli_register_command(cli, c, "session", cmd_drop_session, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Disconnect a session");
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c = cli_register_command(cli, NULL, "restart", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, NULL);
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cli_register_command(cli, c, "bgp", cmd_restart_bgp, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Restart BGP");
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c = cli_register_command(cli, NULL, "load", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG, NULL);
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cli_register_command(cli, c, "plugin", cmd_load_plugin, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Load a plugin");
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c = cli_register_command(cli, NULL, "remove", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG, NULL);
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cli_register_command(cli, c, "plugin", cmd_remove_plugin, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Remove a plugin");
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cli_register_command(cli, NULL, "set", cmd_set, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Set a configuration variable");
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// Enable regular processing
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cli_regular(cli, regular_stuff);
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if (!(f = fopen(CLIUSERS, "r")))
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{
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log(0, 0, 0, 0, "WARNING! No users specified. Command-line access is open to all\n");
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}
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else
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{
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while (fgets(buf, 4096, f))
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{
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char *p;
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if (*buf == '#') continue;
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if ((p = strchr(buf, '\r'))) *p = 0;
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if ((p = strchr(buf, '\n'))) *p = 0;
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if (!*buf) continue;
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if (!(p = strchr((char *)buf, ':'))) continue;
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*p++ = 0;
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if (!strcmp(buf, "enable"))
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{
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cli_allow_enable(cli, p);
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log(3, 0, 0, 0, "Setting enable password\n");
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}
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else
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{
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cli_allow_user(cli, buf, p);
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log(3, 0, 0, 0, "Allowing user %s to connect to the CLI\n", buf);
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}
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}
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fclose(f);
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}
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memset(&addr, 0, sizeof(addr));
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clifd = socket(PF_INET, SOCK_STREAM, 6);
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setsockopt(clifd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
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{
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int flags;
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// Set cli fd as non-blocking
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flags = fcntl(clifd, F_GETFL, 0);
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fcntl(clifd, F_SETFL, flags | O_NONBLOCK);
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}
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addr.sin_family = AF_INET;
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addr.sin_port = htons(23);
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if (bind(clifd, (void *) &addr, sizeof(addr)) < 0)
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{
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log(0, 0, 0, 0, "Error listening on cli port 23: %s\n", strerror(errno));
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return;
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}
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listen(clifd, 10);
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}
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void cli_do(int sockfd)
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{
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int i;
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int require_auth = 1;
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struct sockaddr_in addr;
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int l = sizeof(addr);
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if (fork()) return;
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if (config->scheduler_fifo)
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{
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int ret;
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struct sched_param params = {0};
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params.sched_priority = 0;
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if ((ret = sched_setscheduler(0, SCHED_OTHER, ¶ms)) == 0)
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{
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log(3, 0, 0, 0, "Dropped FIFO scheduler\n");
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}
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else
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{
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log(0, 0, 0, 0, "Error setting scheduler to OTHER: %s\n", strerror(errno));
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log(0, 0, 0, 0, "This is probably really really bad.\n");
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}
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}
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signal(SIGPIPE, SIG_DFL);
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signal(SIGCHLD, SIG_DFL);
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signal(SIGHUP, SIG_DFL);
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signal(SIGUSR1, SIG_DFL);
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signal(SIGQUIT, SIG_DFL);
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signal(SIGKILL, SIG_DFL);
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signal(SIGALRM, SIG_DFL);
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signal(SIGTERM, SIG_DFL);
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// Close sockets
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if (udpfd) close(udpfd); udpfd = 0;
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if (tunfd) close(tunfd); tunfd = 0;
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if (snoopfd) close(snoopfd); snoopfd = 0;
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for (i = 0; i < config->num_radfds; i++)
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if (radfds[i]) close(radfds[i]);
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if (ifrfd) close(ifrfd); ifrfd = 0;
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if (cluster_sockfd) close(cluster_sockfd); cluster_sockfd = 0;
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if (clifd) close(clifd); clifd = 0;
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#ifdef BGP
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for (i = 0; i < BGP_NUM_PEERS; i++)
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if (bgp_peers[i].sock != -1)
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close(bgp_peers[i].sock);
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#endif /* BGP */
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if (getpeername(sockfd, (struct sockaddr *)&addr, &l) == 0)
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{
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log(3, 0, 0, 0, "Accepted connection to CLI from %s\n", inet_toa(addr.sin_addr.s_addr));
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require_auth = addr.sin_addr.s_addr != inet_addr("127.0.0.1");
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}
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else
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log(0, 0, 0, 0, "getpeername() failed on cli socket. Requiring authentication: %s\n", strerror(errno));
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if (require_auth)
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{
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log(3, 0, 0, 0, "CLI is remote, requiring authentication\n");
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if (!cli->users) /* paranoia */
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{
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log(0, 0, 0, 0, "No users for remote authentication! Exiting CLI\n");
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exit(0);
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}
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}
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else
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{
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/* no username/pass required */
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cli->users = 0;
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}
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debug_session = 0;
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debug_tunnel = 0;
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#ifdef RINGBUFFER
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debug_rb_tail = ringbuffer->tail;
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#endif
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memset(&debug_flags, 0, sizeof(debug_flags));
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debug_flags.critical = 1;
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cli_loop(cli, sockfd);
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close(sockfd);
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log(3, 0, 0, 0, "Closed CLI connection from %s\n", inet_toa(addr.sin_addr.s_addr));
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exit(0);
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}
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void cli_print_log(struct cli_def *cli, char *string)
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{
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log(3, 0, 0, 0, "%s\n", string);
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}
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void cli_do_file(FILE *fh)
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{
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log(3, 0, 0, 0, "Reading configuration file\n");
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cli_print_callback(cli, cli_print_log);
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cli_file(cli, fh, PRIVILEGE_PRIVILEGED, MODE_CONFIG);
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cli_print_callback(cli, NULL);
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}
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int cli_arg_help(struct cli_def *cli, int cr_ok, char *entry, ...)
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{
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va_list ap;
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char *desc;
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char buf[16];
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char *p;
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va_start(ap, entry);
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while (entry)
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{
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/* allow one %d */
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if ((p = strchr(entry, '%')) && !strchr(p+1, '%') && p[1] == 'd')
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{
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int v = va_arg(ap, int);
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snprintf(buf, sizeof(buf), entry, v);
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p = buf;
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}
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else
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p = entry;
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desc = va_arg(ap, char *);
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if (desc && *desc)
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cli_print(cli, " %-20s %s", p, desc);
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else
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cli_print(cli, " %s", p);
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entry = desc ? va_arg(ap, char *) : 0;
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}
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va_end(ap);
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if (cr_ok)
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cli_print(cli, " <cr>");
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return CLI_OK;
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}
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int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc)
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{
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int i;
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if (CLI_HELP_REQUESTED)
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return cli_arg_help(cli, 1,
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"<1-%d>", MAXSESSION-1, "Show specific session by id",
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NULL);
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time(&time_now);
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if (argc > 0)
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{
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// Show individual session
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for (i = 0; i < argc; i++)
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{
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unsigned int s, b_in, b_out;
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s = atoi(argv[i]);
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if (s <= 0 || s >= MAXSESSION)
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{
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cli_print(cli, "Invalid session id \"%s\"", argv[i]);
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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, " Unique SID: %lu", session[s].unique_id);
|
|
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].total_cout, (unsigned long)session[s].total_cin);
|
|
cli_print(cli, " Pkts In/Out: %lu/%lu", (unsigned long)session[s].pout, (unsigned long)session[s].pin);
|
|
cli_print(cli, " MRU: %d", session[s].mru);
|
|
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);
|
|
if (session[s].snoop_ip && session[s].snoop_port)
|
|
cli_print(cli, " Intercepted: %s:%d", inet_toa(session[s].snoop_ip), session[s] .snoop_port);
|
|
else
|
|
cli_print(cli, " Intercepted: no");
|
|
cli_print(cli, " Throttled: %s", session[s].throttle ? "YES" : "no");
|
|
cli_print(cli, " Walled Garden: %s", session[s].walled_garden ? "YES" : "no");
|
|
b_in = session[s].tbf_in;
|
|
b_out = session[s].tbf_out;
|
|
if (b_in || b_out)
|
|
cli_print(cli, " %5s %6s %6s | %7s %7s %8s %8s %8s %8s",
|
|
"Rate", "Credit", "Queued", "ByteIn", "PackIn",
|
|
"ByteSent", "PackSent", "PackDrop", "PackDelay");
|
|
|
|
if (b_in)
|
|
cli_print(cli, " TBFI#%d%1s %5d %6d %6d | %7d %7d %8d %8d %8d %8d",
|
|
b_in,
|
|
(filter_list[b_in].next ? "*" : " "),
|
|
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, " TBFO#%d%1s %5d %6d %6d | %7d %7d %8d %8d %8d %8d",
|
|
b_out,
|
|
(filter_list[b_out].next ? "*" : " "),
|
|
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, " %s %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 *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) ? "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;
|
|
}
|
|
|
|
int cmd_show_tunnels(struct cli_def *cli, char *command, char **argv, int argc)
|
|
{
|
|
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);
|
|
}
|
|
|
|
time(&time_now);
|
|
if (argc > 0)
|
|
{
|
|
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, " 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, "%4s %20s %20s %6s %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, "%4d %20s %20s %6s %6d",
|
|
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)
|
|
{
|
|
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;
|
|
}
|
|
|
|
int cmd_show_counters(struct cli_def *cli, char *command, char **argv, int argc)
|
|
{
|
|
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_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)
|
|
{
|
|
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);
|
|
}
|
|
}
|
|
|
|
return CLI_OK;
|
|
}
|
|
|
|
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)
|
|
{
|
|
cli_print(cli, "Can't do this on a slave. Do it on %s", inet_toa(config->cluster_master_address));
|
|
return CLI_OK;
|
|
}
|
|
|
|
if (CLI_HELP_REQUESTED)
|
|
{
|
|
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 (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)
|
|
{
|
|
cli_print(cli, "%-15s Y %8d %s",
|
|
inet_toa(htonl(ip_address_pool[i].address)), ip_address_pool[i].session, session[ip_address_pool[i].session].user);
|
|
|
|
used++;
|
|
}
|
|
else
|
|
{
|
|
if (ip_address_pool[i].last)
|
|
cli_print(cli, "%-15s N %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 N", inet_toa(htonl(ip_address_pool[i].address)));
|
|
|
|
free++;
|
|
}
|
|
}
|
|
|
|
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_write_memory(struct cli_def *cli, char *command, char **argv, int argc)
|
|
{
|
|
if (CLI_HELP_REQUESTED)
|
|
return CLI_HELP_NO_ARGS;
|
|
|
|
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
|
|
{
|
|
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;
|
|
|
|
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);
|
|
else if (config_values[i].type == MAC)
|
|
cli_print(cli, "set %s %02x%02x.%02x%02x.%02x%02x", config_values[i].key,
|
|
*(unsigned short *)(value + 0),
|
|
*(unsigned short *)(value + 1),
|
|
*(unsigned short *)(value + 2),
|
|
*(unsigned short *)(value + 3),
|
|
*(unsigned short *)(value + 4),
|
|
*(unsigned short *)(value + 5));
|
|
}
|
|
|
|
cli_print(cli, "# Plugins");
|
|
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;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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++)
|
|
{
|
|
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);
|
|
}
|
|
|
|
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, "Token bucket filters:");
|
|
cli_print(cli, "%-6s %8s %-4s", "ID", "Handle", "Used");
|
|
for (i = 0; i < MAXSESSION; i++)
|
|
{
|
|
if (!session[i].throttle)
|
|
continue;
|
|
|
|
cli_print(cli, "%-6d %8d %8d",
|
|
i,
|
|
session[i].tbf_in,
|
|
session[i].tbf_out);
|
|
}
|
|
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_clear_counters(struct cli_def *cli, char *command, char **argv, int argc)
|
|
{
|
|
if (CLI_HELP_REQUESTED)
|
|
return CLI_HELP_NO_ARGS;
|
|
|
|
cli_print(cli, "Counters cleared");
|
|
SET_STAT(last_reset, time(NULL));
|
|
return CLI_OK;
|
|
}
|
|
|
|
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)
|
|
{
|
|
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)
|
|
{
|
|
cli_print(cli, "Specify a user to drop");
|
|
return CLI_OK;
|
|
}
|
|
|
|
for (i = 0; i < argc; i++)
|
|
{
|
|
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_print(cli, "Dropping user %s", session[s].user);
|
|
cli_session_actions[s].action |= CLI_SESS_KILL;
|
|
}
|
|
}
|
|
|
|
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)
|
|
{
|
|
cli_print(cli, "Specify a tunnel to drop");
|
|
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_drop_session(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,
|
|
"<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)
|
|
{
|
|
cli_print(cli, "Specify a session id to drop");
|
|
return CLI_OK;
|
|
}
|
|
|
|
for (i = 0; i < argc; i++)
|
|
{
|
|
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);
|
|
}
|
|
}
|
|
|
|
return CLI_OK;
|
|
}
|
|
|
|
int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc)
|
|
{
|
|
ipt ip;
|
|
u16 port;
|
|
sessionidt s;
|
|
|
|
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 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)
|
|
{
|
|
cli_print(cli, "Cannot parse IP \"%s\"", argv[1]);
|
|
return CLI_OK;
|
|
}
|
|
|
|
port = atoi(argv[2]);
|
|
if (!port)
|
|
{
|
|
cli_print(cli, "Invalid port %s", argv[2]);
|
|
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_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 un-snoop", 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)
|
|
{
|
|
cli_print(cli, "Specify a user");
|
|
return CLI_OK;
|
|
}
|
|
|
|
for (i = 0; i < argc; i++)
|
|
{
|
|
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;
|
|
}
|
|
return CLI_OK;
|
|
}
|
|
|
|
int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc)
|
|
{
|
|
int rate_in = 0;
|
|
int rate_out = 0;
|
|
sessionidt s;
|
|
|
|
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", "Incoming rate in kb/s", NULL);
|
|
|
|
case 3:
|
|
return cli_arg_help(cli, 1, "rate", "Outgoing rate in kb/s", NULL);
|
|
|
|
default:
|
|
return cli_arg_help(cli, argc > 1, "user", "Username of session to throttle", 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, "You must specify at least a username");
|
|
return CLI_OK;
|
|
}
|
|
|
|
rate_in = rate_out = config->rl_rate;
|
|
if (argc >= 2) rate_in = atoi(argv[1]);
|
|
if (argc >= 3) rate_out = atoi(argv[2]);
|
|
|
|
if (!(s = sessionbyuser(argv[0])))
|
|
{
|
|
cli_print(cli, "User %s is not connected", argv[0]);
|
|
return CLI_OK;
|
|
}
|
|
|
|
if (session[s].throttle)
|
|
{
|
|
cli_print(cli, "User %s already throttled, unthrottle first", argv[0]);
|
|
return CLI_OK;
|
|
}
|
|
|
|
cli_print(cli, "Throttling user %s", argv[0]);
|
|
cli_session_actions[s].throttle = rate_in << 16 | rate_out;
|
|
cli_session_actions[s].action |= CLI_SESS_THROTTLE;
|
|
|
|
return CLI_OK;
|
|
}
|
|
|
|
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 un-throttle", 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)
|
|
{
|
|
cli_print(cli, "Specify a user");
|
|
return CLI_OK;
|
|
}
|
|
|
|
for (i = 0; i < argc; i++)
|
|
{
|
|
if (!(s = sessionbyuser(argv[i])))
|
|
{
|
|
cli_print(cli, "User %s is not connected", argv[i]);
|
|
continue;
|
|
}
|
|
|
|
if (!session[s].throttle)
|
|
{
|
|
cli_print(cli, "User %s not throttled", argv[i]);
|
|
continue;
|
|
}
|
|
|
|
cli_print(cli, "Unthrottling user %s", argv[i]);
|
|
cli_session_actions[s].action |= CLI_SESS_NOTHROTTLE;
|
|
}
|
|
|
|
return CLI_OK;
|
|
}
|
|
|
|
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 (!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]);
|
|
}
|
|
|
|
return CLI_OK;
|
|
}
|
|
|
|
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 (!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;
|
|
}
|
|
|
|
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_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;
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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_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;
|
|
}
|
|
}
|
|
|
|
cli_print(cli, "Plugin is not loaded");
|
|
return CLI_OK;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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(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 (argc != 2)
|
|
{
|
|
cli_print(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:
|
|
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;
|
|
}
|
|
}
|
|
|
|
cli_print(cli, "Unknown variable \"%s\"", argv[0]);
|
|
return CLI_OK;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
debug_rb_tail = ringbuffer->tail;
|
|
if (reprompt)
|
|
cli_reprompt(cli);
|
|
#endif
|
|
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);
|
|
}
|