// L2TPNS Command Line Interface
-// $Id: cli.c,v 1.5 2004/06/23 03:52:24 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 1.66 2005/09/01 06:59:06 bodea Exp $";
#include <stdio.h>
+#include <stdarg.h>
+#include <unistd.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <syslog.h>
#include <malloc.h>
-#include <sched.h>
#include <string.h>
+#include <ctype.h>
#include <stdlib.h>
#include <time.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <signal.h>
-#include <unistd.h>
+#include <dlfcn.h>
+#include <netdb.h>
#include <libcli.h>
+
#include "l2tpns.h"
+#include "constants.h"
#include "util.h"
#include "cluster.h"
#include "tbf.h"
+#include "ll.h"
#ifdef BGP
#include "bgp.h"
#endif
extern radiust *radius;
extern ippoolt *ip_address_pool;
extern struct Tstats *_statistics;
-struct cli_def *cli = NULL;
-int cli_quit = 0;
-extern int clifd, udpfd, tapfd, snoopfd, ifrfd, cluster_sockfd;
-extern int *radfds;
-extern sessionidt *cli_session_kill;
-extern tunnelidt *cli_tunnel_kill;
-extern struct configt *config;
-extern struct config_descriptt config_values[];
-extern char hostname[];
+static struct cli_def *cli = NULL;
+extern configt *config;
+extern config_descriptt config_values[];
#ifdef RINGBUFFER
extern struct Tringbuffer *ringbuffer;
#endif
-
-char *rcs_id = "$Id: cli.c,v 1.5 2004/06/23 03:52:24 fred_nerk Exp $";
-
-char *debug_levels[] = {
- "CRIT",
- "ERROR",
- "WARN",
- "INFO",
- "CALL",
- "DATA",
-};
+extern struct cli_session_actions *cli_session_actions;
+extern struct cli_tunnel_actions *cli_tunnel_actions;
+extern tbft *filter_list;
+extern ip_filtert *ip_filters;
struct
{
- char critical;
- char error;
- char warning;
- char info;
- char calls;
- char data;
+ char critical;
+ char error;
+ char warning;
+ char info;
+ char calls;
+ char data;
} debug_flags;
-int debug_session;
-int debug_tunnel;
-int debug_rb_tail;
-FILE *save_config_fh;
-
-int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_show_tunnels(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_show_users(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_show_radius(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_show_counters(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_show_version(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_show_pool(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_show_run(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_show_banana(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_show_plugins(struct cli_def *cli, char *command, char **argv, int argc);
-int cmd_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 init_cli()
-{
- FILE *f;
- char buf[4096];
- struct cli_command *c;
- struct cli_command *c2;
- int on = 1;
- struct sockaddr_in addr;
+#ifdef RINGBUFFER
+
+static int debug_rb_tail;
+static char *debug_levels[] = {
+ "CRIT",
+ "ERROR",
+ "WARN",
+ "INFO",
+ "CALL",
+ "DATA",
+};
+
+#endif
+
+static int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_show_tunnels(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_show_users(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_show_radius(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_show_version(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_show_pool(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_show_run(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_show_banana(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_show_plugins(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_show_throttle(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_write_memory(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_drop_user(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_drop_tunnel(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_drop_session(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_no_snoop(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_no_throttle(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_debug(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_no_debug(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_set(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_load_plugin(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_remove_plugin(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_uptime(struct cli_def *cli, char *command, char **argv, int argc);
+
+static int regular_stuff(struct cli_def *cli);
+static void parsemac(char *string, char mac[6]);
+
+#ifdef STATISTICS
+static int cmd_show_counters(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_clear_counters(struct cli_def *cli, char *command, char **argv, int argc);
+#endif /* STATISTICS */
- cli = cli_init();
+#ifdef BGP
+#define MODE_CONFIG_BGP 8
+static int cmd_router_bgp(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_router_bgp_neighbour(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_router_bgp_no_neighbour(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_show_bgp(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_no_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_restart_bgp(struct cli_def *cli, char *command, char **argv, int argc);
+#endif /* BGP */
+
+#define MODE_CONFIG_NACL 9
+static int cmd_ip_access_list(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_no_ip_access_list(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_ip_access_list_rule(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_filter(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_no_filter(struct cli_def *cli, char *command, char **argv, int argc);
+static int cmd_show_access_list(struct cli_def *cli, char *command, char **argv, int argc);
+
+/* match if b is a substr of a */
+#define MATCH(a,b) (!strncmp((a), (b), strlen(b)))
- c = cli_register_command(cli, NULL, "show", NULL, NULL);
- cli_register_command(cli, c, "banana", cmd_show_banana, "Show a banana");
+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, "Show BGP status");
+ 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, "Show cluster information");
- cli_register_command(cli, c, "ipcache", cmd_show_ipcache, "Show contents of the IP cache");
- cli_register_command(cli, c, "plugins", cmd_show_plugins, "List all installed plugins");
- cli_register_command(cli, c, "pool", cmd_show_pool, "Show the IP address allocation pool");
- cli_register_command(cli, c, "radius", cmd_show_radius, "Show active radius queries");
- cli_register_command(cli, c, "running-config", cmd_show_run, "Show the currently running configuration");
- cli_register_command(cli, c, "session", cmd_show_session, "Show a list of sessions or details for a single session");
- cli_register_command(cli, c, "tbf", cmd_show_tbf, "List all token bucket filters in use");
- cli_register_command(cli, c, "throttle", cmd_show_throttle, "List all throttled sessions and associated TBFs");
- cli_register_command(cli, c, "tunnels", cmd_show_tunnels, "Show a list of tunnels or details for a single tunnel");
- cli_register_command(cli, c, "users", cmd_show_users, "Show a list of all connected users or details of selected user");
- cli_register_command(cli, c, "version", cmd_show_version, "Show currently running software version");
-
- c2 = cli_register_command(cli, c, "histogram", NULL, NULL);
- cli_register_command(cli, c2, "idle", cmd_show_hist_idle, "Show histogram of session idle times");
- cli_register_command(cli, c2, "open", cmd_show_hist_open, "Show histogram of session durations");
+ cli_register_command(cli, c, "cluster", cmd_show_cluster, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show cluster information");
+ cli_register_command(cli, c, "ipcache", cmd_show_ipcache, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show contents of the IP cache");
+ cli_register_command(cli, c, "plugins", cmd_show_plugins, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "List all installed plugins");
+ cli_register_command(cli, c, "pool", cmd_show_pool, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show the IP address allocation pool");
+ cli_register_command(cli, c, "radius", cmd_show_radius, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show active radius queries");
+ cli_register_command(cli, c, "running-config", cmd_show_run, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Show the currently running configuration");
+ cli_register_command(cli, c, "session", cmd_show_session, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show a list of sessions or details for a single session");
+ cli_register_command(cli, c, "tbf", cmd_show_tbf, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "List all token bucket filters in use");
+ cli_register_command(cli, c, "throttle", cmd_show_throttle, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "List all throttled sessions and associated TBFs");
+ cli_register_command(cli, c, "tunnels", cmd_show_tunnels, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show a list of tunnels or details for a single tunnel");
+ cli_register_command(cli, c, "users", cmd_show_users, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show a list of all connected users or details of selected user");
+ cli_register_command(cli, c, "version", cmd_show_version, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show currently running software version");
+ cli_register_command(cli, c, "access-list", cmd_show_access_list, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show named access-list");
+
+ c2 = cli_register_command(cli, c, "histogram", NULL, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, NULL);
+ cli_register_command(cli, c2, "idle", cmd_show_hist_idle, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show histogram of session idle times");
+ cli_register_command(cli, c2, "open", cmd_show_hist_open, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show histogram of session durations");
#ifdef STATISTICS
- cli_register_command(cli, c, "counters", cmd_show_counters, "Display all the internal counters and running totals");
+ cli_register_command(cli, c, "counters", cmd_show_counters, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Display all the internal counters and running totals");
- c = cli_register_command(cli, NULL, "clear", NULL, NULL);
- cli_register_command(cli, c, "counters", cmd_clear_counters, "Clear internal counters");
+ c = cli_register_command(cli, NULL, "clear", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, NULL);
+ cli_register_command(cli, c, "counters", cmd_clear_counters, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Clear internal counters");
#endif
- cli_register_command(cli, NULL, "uptime", cmd_uptime, "Show uptime and bandwidth utilisation");
-
- c = cli_register_command(cli, NULL, "write", NULL, NULL);
- cli_register_command(cli, c, "memory", cmd_write_memory, "Save the running config to flash");
- cli_register_command(cli, c, "terminal", cmd_show_run, "Show the running config");
-
- cli_register_command(cli, NULL, "snoop", cmd_snoop, "Temporarily enable interception for a user");
- cli_register_command(cli, NULL, "throttle", cmd_throttle, "Temporarily enable throttling for a user");
- cli_register_command(cli, NULL, "debug", cmd_debug, "Set the level of logging that is shown on the console");
-
- c = cli_register_command(cli, NULL, "suspend", NULL, NULL);
- cli_register_command(cli, c, "bgp", cmd_suspend_bgp, "Withdraw routes from BGP peer");
-
- c = cli_register_command(cli, NULL, "no", NULL, NULL);
- cli_register_command(cli, c, "snoop", cmd_no_snoop, "Temporarily disable interception for a user");
- cli_register_command(cli, c, "throttle", cmd_no_throttle, "Temporarily disable throttling for a user");
- cli_register_command(cli, c, "debug", cmd_no_debug, "Turn off logging of a certain level of debugging");
- c2 = cli_register_command(cli, c, "suspend", NULL, NULL);
- cli_register_command(cli, c2, "bgp", cmd_no_suspend_bgp, "Advertise routes to BGP peer");
-
- c = cli_register_command(cli, NULL, "drop", NULL, NULL);
- cli_register_command(cli, c, "user", cmd_drop_user, "Disconnect a user");
- cli_register_command(cli, c, "tunnel", cmd_drop_tunnel, "Disconnect a tunnel and all sessions on that tunnel");
- cli_register_command(cli, c, "session", cmd_drop_session, "Disconnect a session");
-
- c = cli_register_command(cli, NULL, "restart", NULL, NULL);
- cli_register_command(cli, c, "bgp", cmd_restart_bgp, "Restart BGP");
-
- c = cli_register_command(cli, NULL, "load", NULL, NULL);
- cli_register_command(cli, c, "plugin", cmd_load_plugin, "Load a plugin");
-
- c = cli_register_command(cli, NULL, "remove", NULL, NULL);
- cli_register_command(cli, c, "plugin", cmd_remove_plugin, "Remove a plugin");
-
- cli_register_command(cli, NULL, "set", cmd_set, "Set a configuration variable");
-
- // Enable regular processing
- cli_regular(cli, regular_stuff);
-
- if (!(f = fopen(CLIUSERS, "r")))
- {
- log(0, 0, 0, 0, "WARNING! No users specified. Command-line access is open to all\n");
- }
- else
- {
- while (fgets(buf, 4096, f))
- {
- char *p;
- if (*buf == '#') continue;
- if ((p = strchr(buf, '\r'))) *p = 0;
- if ((p = strchr(buf, '\n'))) *p = 0;
- if (!*buf) continue;
- if (!(p = strchr((char *)buf, ':'))) continue;
- *p++ = 0;
- cli_allow_user(cli, buf, p);
- log(3, 0, 0, 0, "Allowing user %s to connect to the CLI\n", buf);
- }
- fclose(f);
- }
-
- memset(&addr, 0, sizeof(addr));
- clifd = socket(PF_INET, SOCK_STREAM, 6);
- setsockopt(clifd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
- {
- int flags;
- // Set cli fd as non-blocking
- flags = fcntl(clifd, F_GETFL, 0);
- fcntl(clifd, F_SETFL, flags | O_NONBLOCK);
- }
- addr.sin_family = AF_INET;
- addr.sin_port = htons(23);
- if (bind(clifd, (void *) &addr, sizeof(addr)) < 0)
- {
- log(0, 0, 0, 0, "Error listening on cli port 23: %s\n", strerror(errno));
- return;
- }
- listen(clifd, 10);
+ cli_register_command(cli, NULL, "uptime", cmd_uptime, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show uptime and bandwidth utilisation");
+
+ 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, "Enable interception of a session");
+ cli_register_command(cli, NULL, "throttle", cmd_throttle, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Enable throttling of a session");
+ cli_register_command(cli, NULL, "filter", cmd_filter, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Add filtering to a session");
+ cli_register_command(cli, NULL, "debug", cmd_debug, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Set the level of logging that is shown on the console");
+
+#ifdef BGP
+ c = cli_register_command(cli, NULL, "suspend", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, NULL);
+ cli_register_command(cli, c, "bgp", cmd_suspend_bgp, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Withdraw routes from BGP neighbour");
+#endif /* BGP */
+
+ c = cli_register_command(cli, NULL, "no", NULL, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, NULL);
+ cli_register_command(cli, c, "snoop", cmd_no_snoop, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Disable interception of a session");
+ cli_register_command(cli, c, "throttle", cmd_no_throttle, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Disable throttling of a session");
+ cli_register_command(cli, c, "filter", cmd_no_filter, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Remove filtering from a session");
+ cli_register_command(cli, c, "debug", cmd_no_debug, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Turn off logging of a certain level of debugging");
+
+#ifdef BGP
+ c2 = cli_register_command(cli, c, "suspend", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, NULL);
+ cli_register_command(cli, c2, "bgp", cmd_no_suspend_bgp, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Advertise routes to BGP neighbour");
+
+ c = cli_register_command(cli, NULL, "restart", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, NULL);
+ cli_register_command(cli, c, "bgp", cmd_restart_bgp, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Restart BGP");
+
+ c = cli_register_command(cli, NULL, "router", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG, NULL);
+ cli_register_command(cli, c, "bgp", cmd_router_bgp, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Configure BGP");
+
+ cli_register_command(cli, NULL, "neighbour", cmd_router_bgp_neighbour, PRIVILEGE_PRIVILEGED, MODE_CONFIG_BGP, "Configure BGP neighbour");
+
+ c = cli_register_command(cli, NULL, "no", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG_BGP, NULL);
+ cli_register_command(cli, c, "neighbour", cmd_router_bgp_no_neighbour, PRIVILEGE_PRIVILEGED, MODE_CONFIG_BGP, "Remove BGP neighbour");
+#endif /* BGP */
+
+ c = cli_register_command(cli, NULL, "drop", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, NULL);
+ cli_register_command(cli, c, "user", cmd_drop_user, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Disconnect a user");
+ cli_register_command(cli, c, "tunnel", cmd_drop_tunnel, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Disconnect a tunnel and all sessions on that tunnel");
+ cli_register_command(cli, c, "session", cmd_drop_session, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Disconnect a session");
+
+ c = cli_register_command(cli, NULL, "load", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG, NULL);
+ cli_register_command(cli, c, "plugin", cmd_load_plugin, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Load a plugin");
+
+ c = cli_register_command(cli, NULL, "remove", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG, NULL);
+ cli_register_command(cli, c, "plugin", cmd_remove_plugin, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Remove a plugin");
+
+ cli_register_command(cli, NULL, "set", cmd_set, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Set a configuration variable");
+
+ c = cli_register_command(cli, NULL, "ip", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG, NULL);
+ cli_register_command(cli, c, "access-list", cmd_ip_access_list, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Add named access-list");
+
+ cli_register_command(cli, NULL, "permit", cmd_ip_access_list_rule, PRIVILEGE_PRIVILEGED, MODE_CONFIG_NACL, "Permit rule");
+ cli_register_command(cli, NULL, "deny", cmd_ip_access_list_rule, PRIVILEGE_PRIVILEGED, MODE_CONFIG_NACL, "Deny rule");
+
+ c = cli_register_command(cli, NULL, "no", NULL, PRIVILEGE_UNPRIVILEGED, MODE_CONFIG, NULL);
+ c2 = cli_register_command(cli, c, "ip", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG, NULL);
+ cli_register_command(cli, c2, "access-list", cmd_no_ip_access_list, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Remove named access-list");
+
+ // Enable regular processing
+ cli_regular(cli, regular_stuff);
+
+ if (!(f = fopen(CLIUSERS, "r")))
+ {
+ LOG(0, 0, 0, "WARNING! No users specified. Command-line access is open to all\n");
+ }
+ else
+ {
+ while (fgets(buf, 4096, f))
+ {
+ char *p;
+ if (*buf == '#') continue;
+ if ((p = strchr(buf, '\r'))) *p = 0;
+ if ((p = strchr(buf, '\n'))) *p = 0;
+ if (!*buf) continue;
+ if (!(p = strchr((char *)buf, ':'))) continue;
+ *p++ = 0;
+ if (!strcmp(buf, "enable"))
+ {
+ cli_allow_enable(cli, p);
+ LOG(3, 0, 0, "Setting enable password\n");
+ }
+ else
+ {
+ cli_allow_user(cli, buf, p);
+ LOG(3, 0, 0, "Allowing user %s to connect to the CLI\n", buf);
+ }
+ }
+ fclose(f);
+ }
+
+ memset(&addr, 0, sizeof(addr));
+ clifd = socket(PF_INET, SOCK_STREAM, 6);
+ setsockopt(clifd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
+ {
+ int flags;
+ // Set cli fd as non-blocking
+ flags = fcntl(clifd, F_GETFL, 0);
+ fcntl(clifd, F_SETFL, flags | O_NONBLOCK);
+ }
+ addr.sin_family = AF_INET;
+ addr.sin_port = htons(23);
+ if (bind(clifd, (void *) &addr, sizeof(addr)) < 0)
+ {
+ LOG(0, 0, 0, "Error listening on cli port 23: %s\n", strerror(errno));
+ return;
+ }
+ listen(clifd, 10);
}
void cli_do(int sockfd)
{
- int i;
+ int require_auth = 1;
+ struct sockaddr_in addr;
+ socklen_t l = sizeof(addr);
- if (fork()) return;
- if (config->scheduler_fifo)
- {
- int ret;
- struct sched_param params = {0};
- params.sched_priority = 0;
- if ((ret = sched_setscheduler(0, SCHED_OTHER, ¶ms)) == 0)
+ if (fork_and_close()) return;
+ if (getpeername(sockfd, (struct sockaddr *) &addr, &l) == 0)
{
- log(3, 0, 0, 0, "Dropped FIFO scheduler\n");
+ require_auth = addr.sin_addr.s_addr != inet_addr("127.0.0.1");
+ LOG(require_auth ? 3 : 4, 0, 0, "Accepted connection to CLI from %s\n",
+ fmtaddr(addr.sin_addr.s_addr, 0));
}
else
- {
- log(0, 0, 0, 0, "Error setting scheduler to OTHER: %s\n", strerror(errno));
- log(0, 0, 0, 0, "This is probably really really bad.\n");
- }
- }
-
- 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);
- signal(SIGTERM, SIG_DFL);
-
- // Close sockets
- if (udpfd) close(udpfd); udpfd = 0;
- if (tapfd) close(tapfd); tapfd = 0;
- if (snoopfd) close(snoopfd); snoopfd = 0;
- for (i = 0; i < config->num_radfds; i++)
- if (radfds[i]) close(radfds[i]);
- if (ifrfd) close(ifrfd); ifrfd = 0;
- if (cluster_sockfd) close(cluster_sockfd); cluster_sockfd = 0;
- if (clifd) close(clifd); clifd = 0;
-#ifdef BGP
- for (i = 0; i < BGP_NUM_PEERS; i++)
- if (bgp_peers[i].sock != -1)
- close(bgp_peers[i].sock);
-#endif /* BGP */
+ LOG(0, 0, 0, "getpeername() failed on cli socket. Requiring authentication: %s\n", strerror(errno));
- log(3, 0, 0, 0, "Accepted connection to CLI\n");
+ if (require_auth)
+ {
+ LOG(3, 0, 0, "CLI is remote, requiring authentication\n");
+ if (!cli->users) /* paranoia */
+ {
+ LOG(0, 0, 0, "No users for remote authentication! Exiting CLI\n");
+ exit(0);
+ }
+ }
+ else
+ {
+ /* 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;
-
- {
- char prompt[1005];
- snprintf(prompt, 1005, "l2tpns> ");
- cli_loop(cli, sockfd, prompt);
- }
-
- close(sockfd);
- log(3, 0, 0, 0, "Closed CLI connection\n");
- exit(0);
+ memset(&debug_flags, 0, sizeof(debug_flags));
+ debug_flags.critical = 1;
+
+ cli_loop(cli, sockfd);
+
+ close(sockfd);
+ LOG(require_auth ? 3 : 4, 0, 0, "Closed CLI connection from %s\n",
+ fmtaddr(addr.sin_addr.s_addr, 0));
+
+ exit(0);
}
-void cli_print_log(struct cli_def *cli, char *string)
+static void cli_print_log(struct cli_def *cli, char *string)
{
- log(3, 0, 0, 0, "%s\n", string);
+ LOG(3, 0, 0, "%s\n", string);
}
void cli_do_file(FILE *fh)
{
- log(3, 0, 0, 0, "Reading configuration file\n");
- cli_print_callback(cli, cli_print_log);
- cli_file(cli, fh);
- cli_print_callback(cli, NULL);
+ LOG(3, 0, 0, "Reading configuration file\n");
+ cli_print_callback(cli, cli_print_log);
+ cli_file(cli, fh, PRIVILEGE_PRIVILEGED, MODE_CONFIG);
+ cli_print_callback(cli, NULL);
}
-int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc)
+int cli_arg_help(struct cli_def *cli, int cr_ok, char *entry, ...)
{
- int i;
- time_t time_now;
+ va_list ap;
+ char *desc;
+ char buf[16];
+ char *p;
- time(&time_now);
- if (argc > 0)
- {
- // Show individual session
- for (i = 0; i < argc; i++)
+ va_start(ap, entry);
+ while (entry)
{
- unsigned int s;
- s = atoi(argv[i]);
- if (!s || s > MAXSESSION)
- {
- cli_print(cli, "Invalid session id \"%s\"", argv[i]);
- continue;
- }
- cli_print(cli, "\r\nSession %d:", s);
- cli_print(cli, " User: %s", session[s].user[0] ? session[s].user : "none");
- cli_print(cli, " Calling Num: %s", session[s].calling);
- cli_print(cli, " Called Num: %s", session[s].called);
- cli_print(cli, " Tunnel ID: %d", session[s].tunnel);
- cli_print(cli, " IP address: %s", inet_toa(htonl(session[s].ip)));
- cli_print(cli, " HSD sid: %lu", session[s].sid);
- cli_print(cli, " Idle time: %u seconds", abs(time_now - session[s].last_packet));
- cli_print(cli, " Next Recv: %u", session[s].nr);
- cli_print(cli, " Next Send: %u", session[s].ns);
- cli_print(cli, " Bytes In/Out: %lu/%lu", (unsigned long)session[s].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");
- cli_print(cli, " Filter BucketI: %d", session[s].tbf_in);
- cli_print(cli, " Filter BucketO: %d", session[s].tbf_out);
+ /* 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_error(cli, " %-20s %s", p, desc);
+ else
+ cli_error(cli, " %s", p);
+
+ entry = desc ? va_arg(ap, char *) : 0;
}
+
+ va_end(ap);
+ if (cr_ok)
+ cli_error(cli, " <cr>");
+
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)
+static int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc)
{
- int i, x, show_all = 0;
- time_t time_now;
- char *states[] = {
- "Free",
- "Open",
- "Closing",
- "Opening",
- };
-
- time(&time_now);
- if (argc > 0)
- {
- if (strcmp(argv[0], "all") == 0)
- {
- show_all = 1;
- }
- else
- {
- // Show individual tunnel
- for (i = 0; i < argc; i++)
- {
- char s[65535] = {0};
- unsigned int t;
- t = atoi(argv[i]);
- if (!t || t > MAXTUNNEL)
- {
- cli_print(cli, "Invalid tunnel id \"%s\"", argv[i]);
- continue;
- }
- cli_print(cli, "\r\nTunnel %d:", t);
- cli_print(cli, " State: %s", states[tunnel[t].state]);
- cli_print(cli, " Hostname: %s", tunnel[t].hostname[0] ? tunnel[t].hostname : "(none)");
- cli_print(cli, " Remote IP: %s", inet_toa(htonl(tunnel[t].ip)));
- cli_print(cli, " Remote Port: %d", tunnel[t].port);
- cli_print(cli, " Rx Window: %u", tunnel[t].window);
- cli_print(cli, " Next Recv: %u", tunnel[t].nr);
- cli_print(cli, " Next Send: %u", tunnel[t].ns);
- cli_print(cli, " Queue Len: %u", tunnel[t].controlc);
- cli_print(cli, " Last Packet Age:%u", (unsigned)(time_now - tunnel[t].last));
-
- for (x = 0; x < MAXSESSION; x++)
- if (session[x].tunnel == t && session[x].opened && !session[x].die)
- sprintf(s, "%s%u ", s, x);
- cli_print(cli, " Sessions: %s", s);
- }
- return CLI_OK;
- }
- }
-
- // Show tunnel summary
- cli_print(cli, "%s %s %s %s %s",
- "TID",
- "Hostname",
- "IP",
- "State",
- "Sessions");
- for (i = 1; i < MAXTUNNEL; i++)
- {
- int sessions = 0;
- if (!show_all && (!tunnel[i].ip || tunnel[i].die || !tunnel[i].hostname[0])) continue;
-
- for (x = 0; x < MAXSESSION; x++) if (session[x].tunnel == i && session[x].opened && !session[x].die) sessions++;
- cli_print(cli, "%d %s %s %s %d",
- i,
- *tunnel[i].hostname ? tunnel[i].hostname : "(null)",
- inet_toa(htonl(tunnel[i].ip)),
- states[tunnel[i].state],
- sessions);
- }
- return CLI_OK;
-}
+ int i;
-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;
- for (i = 0; i < MAXSESSION; i++)
- {
- if (!session[i].opened) continue;
- if (!session[i].user[0]) continue;
+ 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)
{
- int j;
- for (j = 0; j < argc && sargc < 32; j++)
- {
- if (strcmp(argv[j], session[i].user) == 0)
+ // Show individual session
+ for (i = 0; i < argc; i++)
{
- snprintf(sid[sargc], sizeof(sid[0]), "%d", i);
- sargv[sargc] = sid[sargc];
- sargc++;
- }
- }
+ 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, "\tPPP Phase:\t%s", ppp_phase(session[s].ppp.phase));
+ switch (session[s].ppp.phase)
+ {
+ case Establish:
+ cli_print(cli, "\t LCP state:\t%s", ppp_state(session[s].ppp.lcp));
+ break;
+
+ case Authenticate:
+ case Network:
+ cli_print(cli, "\t IPCP state:\t%s", ppp_state(session[s].ppp.ipcp));
+ cli_print(cli, "\t IPV6CP state:\t%s", ppp_state(session[s].ppp.ipv6cp));
+ cli_print(cli, "\t CCP state:\t%s", ppp_state(session[s].ppp.ccp));
+ }
+ cli_print(cli, "\tIP address:\t%s", fmtaddr(htonl(session[s].ip), 0));
+ cli_print(cli, "\tUnique SID:\t%u", session[s].unique_id);
+ cli_print(cli, "\tOpened:\t\t%u seconds", session[s].opened ? abs(time_now - session[s].opened) : 0);
+ cli_print(cli, "\tIdle time:\t%u seconds", session[s].last_packet ? abs(time_now - session[s].last_packet) : 0);
+ cli_print(cli, "\tNext Recv:\t%u", session[s].nr);
+ cli_print(cli, "\tNext Send:\t%u", session[s].ns);
+ cli_print(cli, "\tBytes In/Out:\t%u/%u", session[s].cout, session[s].cin);
+ cli_print(cli, "\tPkts In/Out:\t%u/%u", session[s].pout, session[s].pin);
+ cli_print(cli, "\tMRU:\t\t%d", session[s].mru);
+ cli_print(cli, "\tRx Speed:\t%u", session[s].rx_connect_speed);
+ cli_print(cli, "\tTx Speed:\t%u", session[s].tx_connect_speed);
+ if (session[s].filter_in && session[s].filter_in <= MAXFILTER)
+ cli_print(cli, "\tFilter in:\t%u (%s)", session[s].filter_in, ip_filters[session[s].filter_in - 1].name);
+ if (session[s].filter_out && session[s].filter_out <= MAXFILTER)
+ cli_print(cli, "\tFilter out:\t%u (%s)", session[s].filter_out, ip_filters[session[s].filter_out - 1].name);
+ if (session[s].snoop_ip && session[s].snoop_port)
+ cli_print(cli, "\tIntercepted:\t%s:%d", fmtaddr(session[s].snoop_ip, 0), session[s] .snoop_port);
+ else
+ cli_print(cli, "\tIntercepted:\tno");
+
+ cli_print(cli, "\tWalled Garden:\t%s", session[s].walled_garden ? "YES" : "no");
+ {
+ int t = (session[s].throttle_in || session[s].throttle_out);
+ cli_print(cli, "\tThrottled:\t%s%s%.0d%s%s%.0d%s%s",
+ t ? "YES" : "no", t ? " (" : "",
+ session[s].throttle_in, session[s].throttle_in ? "kbps" : t ? "-" : "",
+ t ? "/" : "",
+ session[s].throttle_out, session[s].throttle_out ? "kbps" : t ? "-" : "",
+ t ? ")" : "");
+ }
+
+ b_in = session[s].tbf_in;
+ b_out = session[s].tbf_out;
+ if (b_in || b_out)
+ cli_print(cli, "\t\t\t%5s %6s %6s | %7s %7s %8s %8s %8s %8s",
+ "Rate", "Credit", "Queued", "ByteIn", "PackIn",
+ "ByteSent", "PackSent", "PackDrop", "PackDelay");
+
+ if (b_in)
+ cli_print(cli, "\tTBFI#%d%1s%s\t%5d %6d %6d | %7d %7d %8d %8d %8d %8d",
+ b_in,
+ (filter_list[b_in].next ? "*" : " "),
+ (b_in < 100 ? "\t" : ""),
+ filter_list[b_in].rate * 8,
+ filter_list[b_in].credit,
+ filter_list[b_in].queued,
+ filter_list[b_in].b_queued,
+ filter_list[b_in].p_queued,
+ filter_list[b_in].b_sent,
+ filter_list[b_in].p_sent,
+ filter_list[b_in].p_dropped,
+ filter_list[b_in].p_delayed);
+
+ if (b_out)
+ cli_print(cli, "\tTBFO#%d%1s%s\t%5d %6d %6d | %7d %7d %8d %8d %8d %8d",
+ b_out,
+ (filter_list[b_out].next ? "*" : " "),
+ (b_out < 100 ? "\t" : ""),
+ filter_list[b_out].rate * 8,
+ filter_list[b_out].credit,
+ filter_list[b_out].queued,
+ filter_list[b_out].b_queued,
+ filter_list[b_out].p_queued,
+ filter_list[b_out].b_sent,
+ filter_list[b_out].p_sent,
+ filter_list[b_out].p_dropped,
+ filter_list[b_out].p_delayed);
- continue;
+ }
+ return CLI_OK;
}
- cli_print(cli, "%s", session[i].user);
- }
-
- if (sargc > 0)
- return cmd_show_session(cli, "users", sargv, sargc);
-
- return CLI_OK;
+ // Show Summary
+ cli_print(cli, "%5s %4s %-32s %-15s %s %s %s %s %10s %10s %10s %4s %-15s %s",
+ "SID",
+ "TID",
+ "Username",
+ "IP",
+ "I",
+ "T",
+ "G",
+ "6",
+ "opened",
+ "downloaded",
+ "uploaded",
+ "idle",
+ "LAC",
+ "CLI");
+
+ for (i = 1; i < MAXSESSION; i++)
+ {
+ if (!session[i].opened) continue;
+ cli_print(cli, "%5d %4d %-32s %-15s %s %s %s %s %10u %10lu %10lu %4u %-15s %s",
+ i,
+ session[i].tunnel,
+ session[i].user[0] ? session[i].user : "*",
+ fmtaddr(htonl(session[i].ip), 0),
+ (session[i].snoop_ip && session[i].snoop_port) ? "Y" : "N",
+ (session[i].throttle_in || session[i].throttle_out) ? "Y" : "N",
+ (session[i].walled_garden) ? "Y" : "N",
+ (session[i].ppp.ipv6cp == Opened) ? "Y" : "N",
+ abs(time_now - (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)),
+ fmtaddr(htonl(tunnel[ session[i].tunnel ].ip), 1),
+ session[i].calling[0] ? session[i].calling : "*");
+ }
+ return CLI_OK;
}
-int cmd_show_counters(struct cli_def *cli, char *command, char **argv, int argc)
+static int cmd_show_tunnels(struct cli_def *cli, char *command, char **argv, int argc)
{
- cli_print(cli, "%-10s %-8s %-10s %-8s", "Ethernet", "Bytes", "Packets", "Errors");
- cli_print(cli, "%-10s %8lu %8lu %8lu", "RX",
- GET_STAT(tap_rx_bytes),
- GET_STAT(tap_rx_packets),
- GET_STAT(tap_rx_errors));
- cli_print(cli, "%-10s %8lu %8lu %8lu", "TX",
- GET_STAT(tap_tx_bytes),
- GET_STAT(tap_tx_packets),
- GET_STAT(tap_tx_errors));
- cli_print(cli, "");
-
- cli_print(cli, "%-10s %-8s %-10s %-8s %-8s", "Tunnel", "Bytes", "Packets", "Errors", "Retries");
- cli_print(cli, "%-10s %8lu %8lu %8lu %8lu", "RX",
- GET_STAT(tunnel_rx_bytes),
- GET_STAT(tunnel_rx_packets),
- GET_STAT(tunnel_rx_errors),
- 0L);
- cli_print(cli, "%-10s %8lu %8lu %8lu %8lu", "TX",
- GET_STAT(tunnel_tx_bytes),
- GET_STAT(tunnel_tx_packets),
- GET_STAT(tunnel_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_errors", GET_STAT(arp_errors));
- cli_print(cli, "%-30s%lu", "arp_replies", GET_STAT(arp_replies));
- cli_print(cli, "%-30s%lu", "arp_discarded", GET_STAT(arp_discarded));
- cli_print(cli, "%-30s%lu", "arp_sent", GET_STAT(arp_sent));
- cli_print(cli, "%-30s%lu", "arp_recv", GET_STAT(arp_recv));
- cli_print(cli, "%-30s%lu", "packets_snooped", GET_STAT(packets_snooped));
- cli_print(cli, "%-30s%lu", "tunnel_created", GET_STAT(tunnel_created));
- cli_print(cli, "%-30s%lu", "session_created", GET_STAT(session_created));
- cli_print(cli, "%-30s%lu", "tunnel_timeout", GET_STAT(tunnel_timeout));
- cli_print(cli, "%-30s%lu", "session_timeout", GET_STAT(session_timeout));
- cli_print(cli, "%-30s%lu", "radius_timeout", GET_STAT(radius_timeout));
- cli_print(cli, "%-30s%lu", "radius_overflow", GET_STAT(radius_overflow));
- cli_print(cli, "%-30s%lu", "tunnel_overflow", GET_STAT(tunnel_overflow));
- cli_print(cli, "%-30s%lu", "session_overflow", GET_STAT(session_overflow));
- cli_print(cli, "%-30s%lu", "ip_allocated", GET_STAT(ip_allocated));
- cli_print(cli, "%-30s%lu", "ip_freed", GET_STAT(ip_freed));
- cli_print(cli, "%-30s%lu", "cluster_forwarded", GET_STAT(c_forwarded));
- cli_print(cli, "%-30s%lu", "recv_forward", GET_STAT(recv_forward));
+ 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, "\tState:\t\t%s", states[tunnel[t].state]);
+ cli_print(cli, "\tHostname:\t%s", tunnel[t].hostname[0] ? tunnel[t].hostname : "(none)");
+ cli_print(cli, "\tRemote IP:\t%s", fmtaddr(htonl(tunnel[t].ip), 0));
+ cli_print(cli, "\tRemote Port:\t%d", tunnel[t].port);
+ cli_print(cli, "\tRx Window:\t%u", tunnel[t].window);
+ cli_print(cli, "\tNext Recv:\t%u", tunnel[t].nr);
+ cli_print(cli, "\tNext Send:\t%u", tunnel[t].ns);
+ cli_print(cli, "\tQueue Len:\t%u", tunnel[t].controlc);
+ cli_print(cli, "\tLast Packet Age:%u", (unsigned)(time_now - tunnel[t].last));
+
+ for (x = 0; x < MAXSESSION; x++)
+ if (session[x].tunnel == t && session[x].opened && !session[x].die)
+ sprintf(s, "%s%u ", s, x);
+
+ cli_print(cli, "\tSessions:\t%s", s);
+ }
+ return CLI_OK;
+ }
+ }
+ // Show tunnel summary
+ cli_print(cli, "%4s %20s %20s %6s %s",
+ "TID",
+ "Hostname",
+ "IP",
+ "State",
+ "Sessions");
-#ifdef STAT_CALLS
- cli_print(cli, "\n%-30s%-10s", "Counter", "Value");
- cli_print(cli, "-----------------------------------------");
- cli_print(cli, "%-30s%lu", "call_processtap", GET_STAT(call_processtap));
- cli_print(cli, "%-30s%lu", "call_processarp", GET_STAT(call_processarp));
- cli_print(cli, "%-30s%lu", "call_processipout", GET_STAT(call_processipout));
- cli_print(cli, "%-30s%lu", "call_processudp", GET_STAT(call_processudp));
- cli_print(cli, "%-30s%lu", "call_processpap", GET_STAT(call_processpap));
- cli_print(cli, "%-30s%lu", "call_processchap", GET_STAT(call_processchap));
- cli_print(cli, "%-30s%lu", "call_processlcp", GET_STAT(call_processlcp));
- cli_print(cli, "%-30s%lu", "call_processipcp", GET_STAT(call_processipcp));
- cli_print(cli, "%-30s%lu", "call_processipin", GET_STAT(call_processipin));
- cli_print(cli, "%-30s%lu", "call_processccp", GET_STAT(call_processccp));
- cli_print(cli, "%-30s%lu", "call_processrad", GET_STAT(call_processrad));
- cli_print(cli, "%-30s%lu", "call_sendarp", GET_STAT(call_sendarp));
- cli_print(cli, "%-30s%lu", "call_sendipcp", GET_STAT(call_sendipcp));
- cli_print(cli, "%-30s%lu", "call_sendchap", GET_STAT(call_sendchap));
- cli_print(cli, "%-30s%lu", "call_sessionbyip", GET_STAT(call_sessionbyip));
- cli_print(cli, "%-30s%lu", "call_sessionbyuser", GET_STAT(call_sessionbyuser));
- cli_print(cli, "%-30s%lu", "call_tunnelsend", GET_STAT(call_tunnelsend));
- cli_print(cli, "%-30s%lu", "call_tunnelkill", GET_STAT(call_tunnelkill));
- cli_print(cli, "%-30s%lu", "call_tunnelshutdown", GET_STAT(call_tunnelshutdown));
- cli_print(cli, "%-30s%lu", "call_sessionkill", GET_STAT(call_sessionkill));
- cli_print(cli, "%-30s%lu", "call_sessionshutdown", GET_STAT(call_sessionshutdown));
- cli_print(cli, "%-30s%lu", "call_sessionsetup", GET_STAT(call_sessionsetup));
- cli_print(cli, "%-30s%lu", "call_assign_ip_address",GET_STAT(call_assign_ip_address));
- cli_print(cli, "%-30s%lu", "call_free_ip_address", GET_STAT(call_free_ip_address));
- cli_print(cli, "%-30s%lu", "call_dump_acct_info", GET_STAT(call_dump_acct_info));
- cli_print(cli, "%-30s%lu", "call_radiussend", GET_STAT(call_radiussend));
- cli_print(cli, "%-30s%lu", "call_radiusretry", GET_STAT(call_radiusretry));
-#endif
- return CLI_OK;
-}
+ for (i = 1; i < MAXTUNNEL; i++)
+ {
+ int sessions = 0;
+ if (!show_all && (!tunnel[i].ip || tunnel[i].die)) continue;
+
+ for (x = 0; x < MAXSESSION; x++) if (session[x].tunnel == i && session[x].opened && !session[x].die) sessions++;
+ cli_print(cli, "%4d %20s %20s %6s %6d",
+ i,
+ *tunnel[i].hostname ? tunnel[i].hostname : "(null)",
+ fmtaddr(htonl(tunnel[i].ip), 0),
+ states[tunnel[i].state],
+ sessions);
+ }
-int cmd_show_version(struct cli_def *cli, char *command, char **argv, int argc)
-{
- cli_print(cli, "L2TPNS %s", VERSION);
- cli_print(cli, "ID: %s", rcs_id);
- return CLI_OK;
+ return CLI_OK;
}
-int cmd_show_pool(struct cli_def *cli, char *command, char **argv, int argc)
+static int cmd_show_users(struct cli_def *cli, char *command, char **argv, int argc)
{
- int i;
- int used = 0, free = 0, show_all = 0;
- time_t time_now;
+ char sid[32][8];
+ char *sargv[32];
+ int sargc = 0;
+ int i;
- if (argc > 0 && strcmp(argv[0], "all") == 0)
- show_all = 1;
+ if (CLI_HELP_REQUESTED)
+ return cli_arg_help(cli, 1,
+ "USER", "Show details for specific username",
+ NULL);
- 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
+ for (i = 0; i < MAXSESSION; i++)
{
- 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)));
+ 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;
+ }
- free++;
+ cli_print(cli, "%s", session[i].user);
}
- }
- if (!show_all)
- cli_print(cli, "(Not displaying unused addresses)");
+ if (sargc > 0)
+ return cmd_show_session(cli, "users", sargv, sargc);
- cli_print(cli, "\r\nFree: %d\r\nUsed: %d", free, used);
- return CLI_OK;
+ return CLI_OK;
}
-void print_save_config(struct cli_def *cli, char *string)
+#ifdef STATISTICS
+static int cmd_show_counters(struct cli_def *cli, char *command, char **argv, int argc)
{
- if (save_config_fh)
- fprintf(save_config_fh, "%s\n", string);
-}
+ if (CLI_HELP_REQUESTED)
+ return CLI_HELP_NO_ARGS;
+
+ cli_print(cli, "%-10s %10s %10s %10s %10s", "Ethernet", "Bytes", "Packets", "Errors", "Dropped");
+ cli_print(cli, "%-10s %10u %10u %10u %10u", "RX",
+ GET_STAT(tun_rx_bytes),
+ GET_STAT(tun_rx_packets),
+ GET_STAT(tun_rx_errors),
+ GET_STAT(tun_rx_dropped));
+ cli_print(cli, "%-10s %10u %10u %10u", "TX",
+ GET_STAT(tun_tx_bytes),
+ GET_STAT(tun_tx_packets),
+ GET_STAT(tun_tx_errors));
+ cli_print(cli, "");
-int cmd_write_memory(struct cli_def *cli, char *command, char **argv, int argc)
-{
- 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;
-}
+ cli_print(cli, "%-10s %10s %10s %10s %10s", "Tunnel", "Bytes", "Packets", "Errors", "Retries");
+ cli_print(cli, "%-10s %10u %10u %10u", "RX",
+ GET_STAT(tunnel_rx_bytes),
+ GET_STAT(tunnel_rx_packets),
+ GET_STAT(tunnel_rx_errors));
+ cli_print(cli, "%-10s %10u %10u %10u %10u", "TX",
+ GET_STAT(tunnel_tx_bytes),
+ GET_STAT(tunnel_tx_packets),
+ GET_STAT(tunnel_tx_errors),
+ GET_STAT(tunnel_retries));
+ cli_print(cli, "");
-int cmd_show_run(struct cli_def *cli, char *command, char **argv, int argc)
-{
- int i;
-
- cli_print(cli, "# Current configuration:");
-
- for (i = 0; config_values[i].key; i++)
- {
- void *value = ((void *)config) + config_values[i].offset;
- if (config_values[i].type == STRING)
- cli_print(cli, "set %s \"%.*s\"", config_values[i].key, config_values[i].size, (char *)value);
- else if (config_values[i].type == IP)
- cli_print(cli, "set %s %s", config_values[i].key, inet_toa(*(unsigned *)value));
- else if (config_values[i].type == SHORT)
- cli_print(cli, "set %s %hu", config_values[i].key, *(short *)value);
- else if (config_values[i].type == BOOL)
- cli_print(cli, "set %s %s", config_values[i].key, (*(int *)value) ? "yes" : "no");
- else if (config_values[i].type == INT)
- cli_print(cli, "set %s %d", config_values[i].key, *(int *)value);
- else if (config_values[i].type == UNSIGNED_LONG)
- cli_print(cli, "set %s %lu", config_values[i].key, *(unsigned long *)value);
- }
-
- cli_print(cli, "# Plugins");
- for (i = 0; i < MAXPLUGINS; i++)
- {
- if (*config->plugins[i])
- {
- cli_print(cli, "load plugin \"%s\"", config->plugins[i]);
- }
- }
-
- cli_print(cli, "# end");
- return CLI_OK;
-}
+ cli_print(cli, "%-30s%-10s", "Counter", "Value");
+ cli_print(cli, "-----------------------------------------");
+ cli_print(cli, "%-30s%u", "radius_retries", GET_STAT(radius_retries));
+ cli_print(cli, "%-30s%u", "arp_sent", GET_STAT(arp_sent));
+ cli_print(cli, "%-30s%u", "packets_snooped", GET_STAT(packets_snooped));
+ cli_print(cli, "%-30s%u", "tunnel_created", GET_STAT(tunnel_created));
+ cli_print(cli, "%-30s%u", "session_created", GET_STAT(session_created));
+ cli_print(cli, "%-30s%u", "tunnel_timeout", GET_STAT(tunnel_timeout));
+ cli_print(cli, "%-30s%u", "session_timeout", GET_STAT(session_timeout));
+ cli_print(cli, "%-30s%u", "radius_timeout", GET_STAT(radius_timeout));
+ cli_print(cli, "%-30s%u", "radius_overflow", GET_STAT(radius_overflow));
+ cli_print(cli, "%-30s%u", "tunnel_overflow", GET_STAT(tunnel_overflow));
+ cli_print(cli, "%-30s%u", "session_overflow", GET_STAT(session_overflow));
+ cli_print(cli, "%-30s%u", "ip_allocated", GET_STAT(ip_allocated));
+ cli_print(cli, "%-30s%u", "ip_freed", GET_STAT(ip_freed));
+ cli_print(cli, "%-30s%u", "cluster_forwarded", GET_STAT(c_forwarded));
+ cli_print(cli, "%-30s%u", "recv_forward", GET_STAT(recv_forward));
+ cli_print(cli, "%-30s%u", "select_called", GET_STAT(select_called));
+ cli_print(cli, "%-30s%u", "multi_read_used", GET_STAT(multi_read_used));
+ cli_print(cli, "%-30s%u", "multi_read_exceeded", GET_STAT(multi_read_exceeded));
-int cmd_show_radius(struct cli_def *cli, char *command, char **argv, int argc)
-{
- char *states[] = {
- "NULL",
- "CHAP",
- "AUTH",
- "IPCP",
- "START",
- "STOP",
- "WAIT",
- };
- int i, free = 0, used = 0, show_all = 0;
- time_t time_now;
-
- cli_print(cli, "%6s%5s%6s%9s%9s%4s", "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;
+#ifdef STAT_CALLS
+ cli_print(cli, "\n%-30s%-10s", "Counter", "Value");
+ cli_print(cli, "-----------------------------------------");
+ cli_print(cli, "%-30s%u", "call_processtun", GET_STAT(call_processtun));
+ cli_print(cli, "%-30s%u", "call_processipout", GET_STAT(call_processipout));
+ cli_print(cli, "%-30s%u", "call_processipv6out", GET_STAT(call_processipv6out));
+ cli_print(cli, "%-30s%u", "call_processudp", GET_STAT(call_processudp));
+ cli_print(cli, "%-30s%u", "call_processpap", GET_STAT(call_processpap));
+ cli_print(cli, "%-30s%u", "call_processchap", GET_STAT(call_processchap));
+ cli_print(cli, "%-30s%u", "call_processlcp", GET_STAT(call_processlcp));
+ cli_print(cli, "%-30s%u", "call_processipcp", GET_STAT(call_processipcp));
+ cli_print(cli, "%-30s%u", "call_processipv6cp", GET_STAT(call_processipv6cp));
+ cli_print(cli, "%-30s%u", "call_processipin", GET_STAT(call_processipin));
+ cli_print(cli, "%-30s%u", "call_processipv6in", GET_STAT(call_processipv6in));
+ cli_print(cli, "%-30s%u", "call_processccp", GET_STAT(call_processccp));
+ cli_print(cli, "%-30s%u", "call_processrad", GET_STAT(call_processrad));
+ cli_print(cli, "%-30s%u", "call_sendarp", GET_STAT(call_sendarp));
+ cli_print(cli, "%-30s%u", "call_sendipcp", GET_STAT(call_sendipcp));
+ cli_print(cli, "%-30s%u", "call_sendchap", GET_STAT(call_sendchap));
+ cli_print(cli, "%-30s%u", "call_sessionbyip", GET_STAT(call_sessionbyip));
+ cli_print(cli, "%-30s%u", "call_sessionbyipv6", GET_STAT(call_sessionbyipv6));
+ cli_print(cli, "%-30s%u", "call_sessionbyuser", GET_STAT(call_sessionbyuser));
+ cli_print(cli, "%-30s%u", "call_tunnelsend", GET_STAT(call_tunnelsend));
+ cli_print(cli, "%-30s%u", "call_tunnelkill", GET_STAT(call_tunnelkill));
+ cli_print(cli, "%-30s%u", "call_tunnelshutdown", GET_STAT(call_tunnelshutdown));
+ cli_print(cli, "%-30s%u", "call_sessionkill", GET_STAT(call_sessionkill));
+ cli_print(cli, "%-30s%u", "call_sessionshutdown", GET_STAT(call_sessionshutdown));
+ cli_print(cli, "%-30s%u", "call_sessionsetup", GET_STAT(call_sessionsetup));
+ cli_print(cli, "%-30s%u", "call_assign_ip_address", GET_STAT(call_assign_ip_address));
+ cli_print(cli, "%-30s%u", "call_free_ip_address", GET_STAT(call_free_ip_address));
+ cli_print(cli, "%-30s%u", "call_dump_acct_info", GET_STAT(call_dump_acct_info));
+ cli_print(cli, "%-30s%u", "call_radiussend", GET_STAT(call_radiussend));
+ cli_print(cli, "%-30s%u", "call_radiusretry", GET_STAT(call_radiusretry));
+ cli_print(cli, "%-30s%u", "call_random_data", GET_STAT(call_random_data));
+#endif /* STAT_CALLS */
- cli_print(cli, "%6d%5d%6s%9d%9u%4d",
- i >> RADIUS_SHIFT,
- i & RADIUS_MASK,
- states[radius[i].state],
- radius[i].session,
- radius[i].retry,
- radius[i].try);
- }
+ {
+ time_t l = GET_STAT(last_reset);
+ char *t = ctime(&l);
+ char *p = strchr(t, '\n');
+ if (p) *p = 0;
- cli_print(cli, "\r\nFree: %d\r\nUsed: %d", free, used);
+ cli_print(cli, "");
+ cli_print(cli, "Last counter reset %s", t);
+ }
- return CLI_OK;
+ return CLI_OK;
}
-int cmd_show_plugins(struct cli_def *cli, char *command, char **argv, int argc)
+static int cmd_clear_counters(struct cli_def *cli, char *command, char **argv, int argc)
{
- int i;
- 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;
-}
+ if (CLI_HELP_REQUESTED)
+ return CLI_HELP_NO_ARGS;
-int cmd_show_throttle(struct cli_def *cli, char *command, char **argv, int argc)
-{
- int i;
- 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;
-}
+ memset(_statistics, 0, sizeof(struct Tstats));
+ SET_STAT(last_reset, time(NULL));
-int cmd_show_banana(struct cli_def *cli, char *command, char **argv, int argc)
-{
- cli_print(cli, " _\n"
- "//\\\n"
- "V \\\n"
- " \\ \\_\n"
- " \\,'.`-.\n"
- " |\\ `. `.\n"
- " ( \\ `. `-. _,.-:\\\n"
- " \\ \\ `. `-._ __..--' ,-';/\n"
- " \\ `. `-. `-..___..---' _.--' ,'/\n"
- " `. `. `-._ __..--' ,' /\n"
- " `. `-_ ``--..'' _.-' ,'\n"
- " `-_ `-.___ __,--' ,'\n"
- " `-.__ `----\"\"\" __.-'\n"
- "hh `--..____..--'");
-
- return CLI_OK;
+ cli_print(cli, "Counters cleared");
+ return CLI_OK;
}
+#endif /* STATISTICS */
-int cmd_clear_counters(struct cli_def *cli, char *command, char **argv, int argc)
+static int cmd_show_version(struct cli_def *cli, char *command, char **argv, int argc)
{
- cli_print(cli, "Counters cleared");
- SET_STAT(last_reset, time(NULL));
- return CLI_OK;
-}
+ int tag = 0;
+ int file = 0;
+ int i = 0;
-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, 1,
+ "tag", "Include CVS release tag",
+ "file", "Include file versions",
+ 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 (strchr(argv[i], '?'))
- {
- cli_print(cli, "username ...");
- return CLI_OK;
- }
- }
+ for (i = 0; i < argc; i++)
+ if (!strcmp(argv[i], "tag"))
+ tag++;
+ else if (!strcmp(argv[i], "file"))
+ file++;
- for (i = 0; i < argc; i++)
- {
- if (!(s = sessionbyuser(argv[i])))
+ cli_print(cli, "L2TPNS %s", VERSION);
+ if (tag)
{
- cli_print(cli, "User %s is not connected", argv[i]);
- continue;
- }
+ char const *p = strchr(cvs_name, ':');
+ char const *e;
+ if (p)
+ {
+ p++;
+ while (isspace(*p))
+ p++;
+ }
+
+ if (!p || *p == '$')
+ p = "HEAD";
- if (session[s].ip && session[s].opened && !session[s].die)
+ e = strpbrk(p, " \t$");
+ cli_print(cli, "Tag: %.*s", (int) (e ? e - p + 1 : strlen(p)), p);
+ }
+
+ if (file)
{
- int x;
+ extern linked_list *loaded_plugins;
+ void *p;
- cli_print(cli, "Dropping user %s", session[s].user);
- for (x = 0; x < MAXSESSION; x++)
- {
- if (!cli_session_kill[x])
+ cli_print(cli, "Files:");
+ cli_print(cli, " %s", cvs_id_arp);
+#ifdef BGP
+ cli_print(cli, " %s", cvs_id_bgp);
+#endif /* BGP */
+ cli_print(cli, " %s", cvs_id_cli);
+ cli_print(cli, " %s", cvs_id_cluster);
+ cli_print(cli, " %s", cvs_id_constants);
+ cli_print(cli, " %s", cvs_id_control);
+ cli_print(cli, " %s", cvs_id_icmp);
+ cli_print(cli, " %s", cvs_id_l2tpns);
+ cli_print(cli, " %s", cvs_id_ll);
+ cli_print(cli, " %s", cvs_id_ppp);
+ cli_print(cli, " %s", cvs_id_radius);
+ cli_print(cli, " %s", cvs_id_tbf);
+ cli_print(cli, " %s", cvs_id_util);
+
+ ll_reset(loaded_plugins);
+ while ((p = ll_next(loaded_plugins)))
{
- cli_session_kill[x] = s;
- break;
+ char const **id = dlsym(p, "cvs_id");
+ if (id)
+ cli_print(cli, " %s", *id);
}
- }
}
- }
- return CLI_OK;
+ return CLI_OK;
}
-int cmd_drop_tunnel(struct cli_def *cli, char *command, char **argv, int argc)
+static int cmd_show_pool(struct cli_def *cli, char *command, char **argv, int argc)
{
- int i;
- tunnelidt tid;
+ 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 (!argc)
- {
- cli_print(cli, "Specify a tunnel to drop");
- return CLI_OK;
- }
- for (i = 0; i < argc; i++)
- {
- if (strchr(argv[i], '?'))
+ if (!config->cluster_iam_master)
{
- cli_print(cli, "tunnel_id ...");
- return CLI_OK;
- }
- }
-
- for (i = 0; i < argc; i++)
- {
- int x;
+ cli_print(cli, "Can't do this on a slave. Do it on %s",
+ fmtaddr(config->cluster_master_address, 0));
- if ((tid = atol(argv[i])) <= 0 || (tid > MAXTUNNEL))
- {
- cli_print(cli, "Invalid tunnel ID (%d - %d)", 0, MAXTUNNEL);
- continue;
+ return CLI_OK;
}
- if (!tunnel[tid].ip)
+ if (CLI_HELP_REQUESTED)
{
- cli_print(cli, "Tunnel %d is not connected", tid);
- continue;
- }
+ if (argc > 1)
+ return cli_arg_help(cli, 1, NULL);
- if (tunnel[tid].die)
- {
- cli_print(cli, "Tunnel %d is already being shut down", tid);
- continue;
+ return cli_arg_help(cli, 1,
+ "all", "Show all pool addresses, including unused",
+ NULL);
}
- for (x = 0; x < MAXTUNNEL; x++)
+ 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 (!cli_tunnel_kill[x])
- {
- cli_tunnel_kill[x] = tid;
- cli_print(cli, "Tunnel %d shut down (%s)", tid, tunnel[tid].hostname);
- break;
- }
+ if (!ip_address_pool[i].address) continue;
+ if (ip_address_pool[i].assigned)
+ {
+ cli_print(cli, "%-15s\tY %8d %s",
+ fmtaddr(htonl(ip_address_pool[i].address), 0),
+ ip_address_pool[i].session,
+ session[ip_address_pool[i].session].user);
+
+ used++;
+ }
+ else
+ {
+ if (ip_address_pool[i].last)
+ cli_print(cli, "%-15s\tN %8s [%s] %ds",
+ fmtaddr(htonl(ip_address_pool[i].address), 0), "",
+ ip_address_pool[i].user, (int) time_now - ip_address_pool[i].last);
+
+ else if (show_all)
+ cli_print(cli, "%-15s\tN", fmtaddr(htonl(ip_address_pool[i].address), 0));
+
+ free++;
+ }
}
- }
- 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;
}
-int cmd_drop_session(struct cli_def *cli, char *command, char **argv, int argc)
+static FILE *save_config_fh = 0;
+static void print_save_config(struct cli_def *cli, char *string)
{
- int i;
- sessionidt s;
-
- 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 (strchr(argv[i], '?'))
- {
- cli_print(cli, "session_id ...");
- return CLI_OK;
- }
- }
+ if (save_config_fh)
+ fprintf(save_config_fh, "%s\n", string);
+}
- for (i = 0; i < argc; i++)
- {
- if ((s = atol(argv[i])) <= 0 || (s > MAXSESSION))
- {
- cli_print(cli, "Invalid session ID (%d - %d)", 0, MAXSESSION);
- continue;
- }
+static int cmd_write_memory(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ if (CLI_HELP_REQUESTED)
+ return CLI_HELP_NO_ARGS;
- if (session[s].opened && !session[s].die)
+ if ((save_config_fh = fopen(config->config_file, "w")))
{
- int x;
- for (x = 0; x < MAXSESSION; x++)
- {
- if (!cli_session_kill[x])
- {
- cli_session_kill[x] = s;
- break;
- }
- }
- cli_print(cli, "Dropping session %d", s);
+ cli_print(cli, "Writing configuration");
+ cli_print_callback(cli, print_save_config);
+ cmd_show_run(cli, command, argv, argc);
+ cli_print_callback(cli, NULL);
+ fclose(save_config_fh);
+ save_config_fh = 0;
}
else
{
- cli_print(cli, "Session %d is not active.", s);
+ cli_error(cli, "Error writing configuration: %s", strerror(errno));
}
- }
-
- return CLI_OK;
+ return CLI_OK;
}
-int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc)
+static char const *show_access_list_rule(int extended, ip_filter_rulet *rule);
+
+static int cmd_show_run(struct cli_def *cli, char *command, char **argv, int argc)
{
- int i;
- ipt ip;
- u16 port;
- sessionidt s;
-
- 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;
- }
+ int i;
+ char ipv6addr[INET6_ADDRSTRLEN];
- if (argc < 3)
- {
- cli_print(cli, "Specify username ip port");
- return CLI_OK;
- }
+ if (CLI_HELP_REQUESTED)
+ return CLI_HELP_NO_ARGS;
+
+ cli_print(cli, "# Current configuration:");
- for (i = 0; i < argc; i++)
- {
- if (strchr(argv[i], '?'))
+ for (i = 0; config_values[i].key; i++)
{
- cli_print(cli, "username ip port");
- return CLI_OK;
+ void *value = ((void *)config) + config_values[i].offset;
+ if (config_values[i].type == STRING)
+ cli_print(cli, "set %s \"%.*s\"", config_values[i].key, config_values[i].size, (char *) value);
+ else if (config_values[i].type == IPv4)
+ cli_print(cli, "set %s %s", config_values[i].key, fmtaddr(*(in_addr_t *) value, 0));
+ else if (config_values[i].type == IPv6)
+ cli_print(cli, "set %s %s", config_values[i].key, inet_ntop(AF_INET6, value, ipv6addr, INET6_ADDRSTRLEN));
+ else if (config_values[i].type == SHORT)
+ cli_print(cli, "set %s %hu", config_values[i].key, *(short *) value);
+ else if (config_values[i].type == BOOL)
+ cli_print(cli, "set %s %s", config_values[i].key, (*(int *) value) ? "yes" : "no");
+ else if (config_values[i].type == INT)
+ cli_print(cli, "set %s %d", config_values[i].key, *(int *) value);
+ else if (config_values[i].type == UNSIGNED_LONG)
+ cli_print(cli, "set %s %lu", config_values[i].key, *(unsigned long *) value);
+ else if (config_values[i].type == MAC)
+ cli_print(cli, "set %s %02x%02x.%02x%02x.%02x%02x", config_values[i].key,
+ *(unsigned short *) (value + 0),
+ *(unsigned short *) (value + 1),
+ *(unsigned short *) (value + 2),
+ *(unsigned short *) (value + 3),
+ *(unsigned short *) (value + 4),
+ *(unsigned short *) (value + 5));
}
- }
+ cli_print(cli, "# Plugins");
+ for (i = 0; i < MAXPLUGINS; i++)
+ {
+ if (*config->plugins[i])
+ {
+ cli_print(cli, "load plugin \"%s\"", config->plugins[i]);
+ }
+ }
- if (!(s = sessionbyuser(argv[0])))
- {
- cli_print(cli, "User %s is not connected", argv[0]);
- return CLI_OK;
- }
+#ifdef BGP
+ if (config->as_number)
+ {
+ int k;
+ int h;
- ip = inet_addr(argv[1]);
- if (!ip || ip == INADDR_NONE)
- {
- cli_print(cli, "Cannot parse IP \"%s\"", argv[1]);
- return CLI_OK;
- }
+ cli_print(cli, "# BGP");
+ cli_print(cli, "router bgp %u", config->as_number);
+ for (i = 0; i < BGP_NUM_PEERS; i++)
+ {
+ if (!config->neighbour[i].name[0])
+ continue;
- port = atoi(argv[2]);
- if (!port)
- {
- cli_print(cli, "Invalid port %s", argv[2]);
- return CLI_OK;
- }
+ cli_print(cli, " neighbour %s remote-as %u", config->neighbour[i].name, config->neighbour[i].as);
- session[s].snoop_ip = ip;
- session[s].snoop_port = port;
+ k = config->neighbour[i].keepalive;
+ h = config->neighbour[i].hold;
- cli_print(cli, "Snooping user %s to %s:%d", argv[0], inet_toa(session[s].snoop_ip), session[s].snoop_port);
- return CLI_OK;
-}
+ if (k == -1)
+ {
+ if (h == -1)
+ continue;
-int cmd_no_snoop(struct cli_def *cli, char *command, char **argv, int argc)
-{
- int i;
- sessionidt s;
+ k = BGP_KEEPALIVE_TIME;
+ }
- 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 (h == -1)
+ h = BGP_HOLD_TIME;
- if (!argc)
- {
- cli_print(cli, "Specify a user");
- return CLI_OK;
- }
- for (i = 0; i < argc; i++)
- {
- if (strchr(argv[i], '?'))
- {
- cli_print(cli, "username ...");
- return CLI_OK;
+ cli_print(cli, " neighbour %s timers %d %d", config->neighbour[i].name, k, h);
+ }
}
- }
+#endif
- for (i = 0; i < argc; i++)
- {
- if (!(s = sessionbyuser(argv[i])))
+ cli_print(cli, "# Filters");
+ for (i = 0; i < MAXFILTER; i++)
{
- cli_print(cli, "User %s is not connected", argv[i]);
- continue;
+ ip_filter_rulet *rules;
+ if (!*ip_filters[i].name)
+ continue;
+
+ cli_print(cli, "ip access-list %s %s",
+ ip_filters[i].extended ? "extended" : "standard",
+ ip_filters[i].name);
+
+ rules = ip_filters[i].rules;
+ while (rules->action)
+ cli_print(cli, "%s", show_access_list_rule(ip_filters[i].extended, rules++));
}
- session[s].snoop_ip = 0;
- session[s].snoop_port = 0;
- cli_print(cli, "Not snooping user %s", argv[i]);
- }
- return CLI_OK;
+ cli_print(cli, "# end");
+ return CLI_OK;
}
-int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc)
+static int cmd_show_radius(struct cli_def *cli, char *command, char **argv, int argc)
{
- int i;
- sessionidt s;
-
- if (!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 (strchr(argv[i], '?'))
+ int i, free = 0, used = 0, show_all = 0;
+ char *states[] = {
+ "NULL",
+ "CHAP",
+ "AUTH",
+ "IPCP",
+ "START",
+ "STOP",
+ "INTRM",
+ "WAIT",
+ };
+
+ if (CLI_HELP_REQUESTED)
{
- cli_print(cli, "username ...");
- return CLI_OK;
- }
- }
+ if (argc > 1)
+ return cli_arg_help(cli, 1, NULL);
- for (i = 0; i < argc; i++)
- {
- if (!(s = sessionbyuser(argv[i])))
- {
- cli_print(cli, "User %s is not connected", argv[i]);
- continue;
+ return cli_arg_help(cli, 1,
+ "all", "Show all RADIUS sessions, including unused",
+ NULL);
}
- if (!throttle_session(s, config->rl_rate))
- cli_print(cli, "Error throttling %s", argv[i]);
- else
- cli_print(cli, "Throttling user %s", argv[i]);
- }
- return CLI_OK;
-}
-int cmd_no_throttle(struct cli_def *cli, char *command, char **argv, int argc)
-{
- int i;
- sessionidt s;
+ cli_print(cli, "%6s%7s%5s%6s%9s%9s%4s", "ID", "Radius", "Sock", "State", "Session", "Retry", "Try");
- 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 (strchr(argv[i], '?'))
- {
- cli_print(cli, "username ...");
- return CLI_OK;
- }
- }
+ time(&time_now);
- for (i = 0; i < argc; i++)
- {
- if (!(s = sessionbyuser(argv[i])))
+ if (argc > 0 && strcmp(argv[0], "all") == 0)
+ show_all = 1;
+
+ for (i = 1; i < MAXRADIUS; i++)
{
- cli_print(cli, "User %s is not connected", argv[i]);
- continue;
+ if (radius[i].state == RADIUSNULL)
+ free++;
+ else
+ used++;
+
+ if (!show_all && radius[i].state == RADIUSNULL) continue;
+
+ cli_print(cli, "%6d%7d%5d%6s%9d%9u%4d",
+ i,
+ i >> RADIUS_SHIFT,
+ i & RADIUS_MASK,
+ states[radius[i].state],
+ radius[i].session,
+ radius[i].retry,
+ radius[i].try);
}
- throttle_session(s, 0);
- cli_print(cli, "unthrottling user %s", argv[i]);
- }
- return CLI_OK;
-}
+ cli_print(cli, "\r\nFree: %d\r\nUsed: %d", free, used);
-int cmd_debug(struct cli_def *cli, char *command, char **argv, int argc)
-{
- int i;
-
- if (!argc)
- {
- cli_print(cli, "Currently debugging: ");
- if (debug_flags.critical) cli_print(cli, "critical ");
- if (debug_flags.error) cli_print(cli, "error ");
- if (debug_flags.warning) cli_print(cli, "warning ");
- if (debug_flags.info) cli_print(cli, "info ");
- if (debug_flags.calls) cli_print(cli, "calls ");
- if (debug_flags.data) cli_print(cli, "data ");
- cli_print(cli, "");
return CLI_OK;
- }
-
- for (i = 0; i < argc; i++)
- {
- if (*argv[i] == '?')
- {
- cli_print(cli, "Possible debugging states are:");
- cli_print(cli, " critical");
- cli_print(cli, " error");
- cli_print(cli, " warning");
- cli_print(cli, " info");
- cli_print(cli, " calls");
- cli_print(cli, " data");
- return CLI_OK;
- }
- }
-
- for (i = 0; i < argc; i++)
- {
- if (strcasecmp(argv[i], "critical") == 0) debug_flags.critical = 1;
- if (strcasecmp(argv[i], "error") == 0) debug_flags.error = 1;
- if (strcasecmp(argv[i], "warning") == 0) debug_flags.warning = 1;
- if (strcasecmp(argv[i], "info") == 0) debug_flags.info = 1;
- if (strcasecmp(argv[i], "calls") == 0) debug_flags.calls = 1;
- if (strcasecmp(argv[i], "data") == 0) debug_flags.data = 1;
- if (strcasecmp(argv[i], "all") == 0)
- {
- memset(&debug_flags, 1, sizeof(debug_flags));
- debug_flags.data = 0;
- }
- }
-
- return CLI_OK;
-}
-
-int cmd_no_debug(struct cli_def *cli, char *command, char **argv, int argc)
-{
- int i;
-
- for (i = 0; i < argc; i++)
- {
- if (strcasecmp(argv[i], "critical") == 0) debug_flags.critical = 0;
- if (strcasecmp(argv[i], "error") == 0) debug_flags.error = 0;
- if (strcasecmp(argv[i], "warning") == 0) debug_flags.warning = 0;
- if (strcasecmp(argv[i], "info") == 0) debug_flags.info = 0;
- if (strcasecmp(argv[i], "calls") == 0) debug_flags.calls = 0;
- if (strcasecmp(argv[i], "data") == 0) debug_flags.data = 0;
- if (strcasecmp(argv[i], "all") == 0) memset(&debug_flags, 0, sizeof(debug_flags));
- }
-
- return CLI_OK;
}
-int cmd_load_plugin(struct cli_def *cli, char *command, char **argv, int argc)
+static int cmd_show_plugins(struct cli_def *cli, char *command, char **argv, int argc)
{
- int i, firstfree = 0;
- if (argc != 1)
- {
- cli_print(cli, "Specify a plugin to load");
- return CLI_OK;
- }
+ int i;
- 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 (CLI_HELP_REQUESTED)
+ return CLI_HELP_NO_ARGS;
- if (firstfree)
- {
- strncpy(config->plugins[firstfree], argv[0], sizeof(config->plugins[firstfree]) - 1);
- config->reload_config = 1;
- cli_print(cli, "Loading plugin %s", argv[0]);
- }
+ cli_print(cli, "Plugins currently loaded:");
+ for (i = 0; i < MAXPLUGINS; i++)
+ if (*config->plugins[i])
+ cli_print(cli, " %s", config->plugins[i]);
- return CLI_OK;
+ return CLI_OK;
}
-int cmd_remove_plugin(struct cli_def *cli, char *command, char **argv, int argc)
+static int cmd_show_throttle(struct cli_def *cli, char *command, char **argv, int argc)
{
- int i;
+ int i;
- if (argc != 1)
- {
- cli_print(cli, "Specify a plugin to remove");
- return CLI_OK;
- }
+ if (CLI_HELP_REQUESTED)
+ return CLI_HELP_NO_ARGS;
- for (i = 0; i < MAXPLUGINS; i++)
- {
- if (strcmp(config->plugins[i], argv[0]) == 0)
+ cli_print(cli, "%5s %4s %-32s %7s %6s %6s %6s",
+ "SID",
+ "TID",
+ "Username",
+ "Rate In",
+ "Out",
+ "TBFI",
+ "TBFO");
+
+ for (i = 0; i < MAXSESSION; i++)
{
- config->reload_config = 1;
- memset(config->plugins[i], 0, sizeof(config->plugins[i]));
- return CLI_OK;
+ 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);
}
- }
- cli_print(cli, "Plugin is not loaded");
- return CLI_OK;
+ return CLI_OK;
}
-char *duration(time_t seconds)
+static int cmd_show_banana(struct cli_def *cli, char *command, char **argv, int argc)
{
- static char *buf = NULL;
- if (!buf) buf = calloc(64, 1);
-
- if (seconds > 86400)
- sprintf(buf, "%d days", (int)(seconds / 86400.0));
- else if (seconds > 60)
- sprintf(buf, "%02d:%02lu", (int)(seconds / 3600.0), seconds % 60);
- else
- sprintf(buf, "%lu sec", seconds);
- return buf;
+ 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_uptime(struct cli_def *cli, char *command, char **argv, int argc)
+static int cmd_drop_user(struct cli_def *cli, char *command, char **argv, int argc)
{
- FILE *fh;
- char buf[100], *p = buf, *loads[3];
- int i, num_sessions = 0;
- time_t time_now;
-
- fh = fopen("/proc/loadavg", "r");
- fgets(buf, 100, fh);
- fclose(fh);
-
- for (i = 0; i < 3; i++)
- loads[i] = strdup(strsep(&p, " "));
+ int i;
+ sessionidt s;
- time(&time_now);
- strftime(buf, 99, "%H:%M:%S", localtime(&time_now));
+ if (CLI_HELP_REQUESTED)
+ return cli_arg_help(cli, argc > 1,
+ "USER", "Username of session to drop", NULL);
- 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(abs(time_now - config->start_time)),
- num_sessions,
- loads[0], loads[1], loads[2]
- );
- for (i = 0; i < 3; i++)
- if (loads[i]) free(loads[i]);
+ if (!config->cluster_iam_master)
+ {
+ cli_error(cli, "Can't do this on a slave. Do it on %s",
+ fmtaddr(config->cluster_master_address, 0));
- cli_print(cli, "Bandwidth: %s", config->bandwidth);
+ return CLI_OK;
+ }
- return CLI_OK;
-}
+ if (!argc)
+ {
+ cli_error(cli, "Specify a user to drop");
+ return CLI_OK;
+ }
-int cmd_set(struct cli_def *cli, char *command, char **argv, int argc)
-{
- int i;
+ for (i = 0; i < argc; i++)
+ {
+ if (!(s = sessionbyuser(argv[i])))
+ {
+ cli_error(cli, "User %s is not connected", argv[i]);
+ continue;
+ }
- if (argc != 2)
- {
- cli_print(cli, "Usage: set <variable> <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 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;
+ 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;
+ }
}
- }
- cli_print(cli, "Unknown variable \"%s\"", argv[0]);
- return CLI_OK;
+ return CLI_OK;
}
-int regular_stuff(struct cli_def *cli)
+static int cmd_drop_tunnel(struct cli_def *cli, char *command, char **argv, int argc)
{
- int i = debug_rb_tail;
- int reprompt = 0;
+ int i;
+ tunnelidt t;
-#ifdef RINGBUFFER
- while (i != ringbuffer->tail)
- {
- int show_message = 0;
+ if (CLI_HELP_REQUESTED)
+ return cli_arg_help(cli, argc > 1,
+ "<1-%d>", MAXTUNNEL-1, "Tunnel id to drop", NULL);
- if (*ringbuffer->buffer[i].message)
+ if (!config->cluster_iam_master)
{
- // Always show messages if we are doing general debug
- if (ringbuffer->buffer[i].level == 0 && debug_flags.critical) show_message = 1;
- if (ringbuffer->buffer[i].level == 1 && debug_flags.error) show_message = 1;
- if (ringbuffer->buffer[i].level == 2 && debug_flags.warning) show_message = 1;
- if (ringbuffer->buffer[i].level == 3 && debug_flags.info) show_message = 1;
- if (ringbuffer->buffer[i].level == 4 && debug_flags.calls) show_message = 1;
- if (ringbuffer->buffer[i].level == 5 && debug_flags.data) show_message = 1;
+ cli_error(cli, "Can't do this on a slave. Do it on %s",
+ fmtaddr(config->cluster_master_address, 0));
+
+ return CLI_OK;
}
- if (show_message)
+ if (!argc)
{
- ipt address = htonl(ringbuffer->buffer[i].address);
- char *ipaddr;
- struct in_addr addr;
+ cli_error(cli, "Specify a tunnel to drop");
+ return CLI_OK;
+ }
- memcpy(&addr, &address, sizeof(ringbuffer->buffer[i].address));
- ipaddr = inet_ntoa(addr);
+ for (i = 0; i < argc; i++)
+ {
+ if ((t = atol(argv[i])) <= 0 || (t >= MAXTUNNEL))
+ {
+ cli_error(cli, "Invalid tunnel ID (1-%d)", MAXTUNNEL-1);
+ continue;
+ }
+
+ if (!tunnel[t].ip)
+ {
+ cli_error(cli, "Tunnel %d is not connected", t);
+ continue;
+ }
+
+ if (tunnel[t].die)
+ {
+ cli_error(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;
+}
+
+static 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_error(cli, "Can't do this on a slave. Do it on %s",
+ fmtaddr(config->cluster_master_address, 0));
+
+ return CLI_OK;
+ }
+
+ if (!argc)
+ {
+ cli_error(cli, "Specify a session id to drop");
+ return CLI_OK;
+ }
+
+ for (i = 0; i < argc; i++)
+ {
+ if ((s = atol(argv[i])) <= 0 || (s > MAXSESSION))
+ {
+ cli_error(cli, "Invalid session ID (1-%d)", MAXSESSION-1);
+ continue;
+ }
+
+ if (session[s].ip && session[s].opened && !session[s].die)
+ {
+ cli_print(cli, "Dropping session %d", s);
+ cli_session_actions[s].action |= CLI_SESS_KILL;
+ }
+ else
+ {
+ cli_error(cli, "Session %d is not active.", s);
+ }
+ }
+
+ return CLI_OK;
+}
+
+static int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ in_addr_t ip;
+ uint16_t port;
+ sessionidt s;
+
+ if (CLI_HELP_REQUESTED)
+ {
+ switch (argc)
+ {
+ case 1:
+ return cli_arg_help(cli, 0,
+ "USER", "Username of session to snoop", NULL);
+
+ case 2:
+ return cli_arg_help(cli, 0,
+ "A.B.C.D", "IP address of snoop destination", NULL);
+
+ case 3:
+ return cli_arg_help(cli, 0,
+ "N", "Port of snoop destination", NULL);
+
+ case 4:
+ if (!argv[3][1])
+ return cli_arg_help(cli, 1, NULL);
+
+ default:
+ return CLI_OK;
+ }
+ }
+
+ if (!config->cluster_iam_master)
+ {
+ cli_error(cli, "Can't do this on a slave. Do it on %s",
+ fmtaddr(config->cluster_master_address, 0));
+
+ return CLI_OK;
+ }
+
+ if (argc < 3)
+ {
+ cli_error(cli, "Specify username, ip and port");
+ return CLI_OK;
+ }
+
+ if (!(s = sessionbyuser(argv[0])))
+ {
+ cli_error(cli, "User %s is not connected", argv[0]);
+ return CLI_OK;
+ }
+
+ ip = inet_addr(argv[1]);
+ if (!ip || ip == INADDR_NONE)
+ {
+ cli_error(cli, "Cannot parse IP \"%s\"", argv[1]);
+ return CLI_OK;
+ }
+
+ port = atoi(argv[2]);
+ if (!port)
+ {
+ cli_error(cli, "Invalid port %s", argv[2]);
+ return CLI_OK;
+ }
+
+ cli_print(cli, "Snooping user %s to %s:%d", argv[0], fmtaddr(ip, 0), port);
+ cli_session_actions[s].snoop_ip = ip;
+ cli_session_actions[s].snoop_port = port;
+ cli_session_actions[s].action |= CLI_SESS_SNOOP;
+
+ return CLI_OK;
+}
+
+static int cmd_no_snoop(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ int i;
+ sessionidt s;
+
+ if (CLI_HELP_REQUESTED)
+ return cli_arg_help(cli, argc > 1,
+ "USER", "Username of session to unsnoop", NULL);
+
+ if (!config->cluster_iam_master)
+ {
+ cli_error(cli, "Can't do this on a slave. Do it on %s",
+ fmtaddr(config->cluster_master_address, 0));
+
+ return CLI_OK;
+ }
+
+ if (!argc)
+ {
+ cli_error(cli, "Specify a user to unsnoop");
+ return CLI_OK;
+ }
+
+ for (i = 0; i < argc; i++)
+ {
+ if (!(s = sessionbyuser(argv[i])))
+ {
+ cli_error(cli, "User %s is not connected", argv[i]);
+ continue;
+ }
+
+ cli_print(cli, "Not snooping user %s", argv[i]);
+ cli_session_actions[s].action |= CLI_SESS_NOSNOOP;
+ }
+
+ return CLI_OK;
+}
+
+static int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ int rate_in = 0;
+ int rate_out = 0;
+ sessionidt s;
+
+ /*
+ throttle USER - throttle in/out to default rate
+ throttle USER RATE - throttle in/out to default rate
+ throttle USER in RATE - throttle input only
+ throttle USER out RATE - throttle output only
+ throttle USER in RATE out RATE - throttle both
+ */
+
+ if (CLI_HELP_REQUESTED)
+ {
+ switch (argc)
+ {
+ case 1:
+ return cli_arg_help(cli, 0,
+ "USER", "Username of session to throttle", NULL);
+
+ case 2:
+ return cli_arg_help(cli, 1,
+ "RATE", "Rate in kbps (in and out)",
+ "in", "Select incoming rate",
+ "out", "Select outgoing rate", NULL);
+
+ case 4:
+ return cli_arg_help(cli, 1,
+ "in", "Select incoming rate",
+ "out", "Select outgoing rate", NULL);
+
+ case 3:
+ if (isdigit(argv[1][0]))
+ return cli_arg_help(cli, 1, NULL);
+
+ case 5:
+ return cli_arg_help(cli, 0, "RATE", "Rate in kbps", NULL);
+
+ default:
+ return cli_arg_help(cli, argc > 1, NULL);
+ }
+ }
+
+ if (!config->cluster_iam_master)
+ {
+ cli_error(cli, "Can't do this on a slave. Do it on %s",
+ fmtaddr(config->cluster_master_address, 0));
+
+ return CLI_OK;
+ }
+
+ if (argc == 0)
+ {
+ cli_error(cli, "Specify a user to throttle");
+ return CLI_OK;
+ }
+
+ if (!(s = sessionbyuser(argv[0])))
+ {
+ cli_error(cli, "User %s is not connected", argv[0]);
+ return CLI_OK;
+ }
+
+ if (argc == 1)
+ {
+ rate_in = rate_out = config->rl_rate;
+ }
+ else if (argc == 2)
+ {
+ rate_in = rate_out = atoi(argv[1]);
+ if (rate_in < 1)
+ {
+ cli_error(cli, "Invalid rate \"%s\"", argv[1]);
+ return CLI_OK;
+ }
+ }
+ else if (argc == 3 || argc == 5)
+ {
+ int i;
+ for (i = 1; i < argc - 1; i += 2)
+ {
+ int r = 0;
+ if (MATCH("in", argv[i]))
+ r = rate_in = atoi(argv[i+1]);
+ else if (MATCH("out", argv[i]))
+ r = rate_out = atoi(argv[i+1]);
+
+ if (r < 1)
+ {
+ cli_error(cli, "Invalid rate specification \"%s %s\"", argv[i], argv[i+1]);
+ return CLI_OK;
+ }
+ }
+ }
+ else
+ {
+ cli_error(cli, "Invalid arguments");
+ return CLI_OK;
+ }
+
+ if ((rate_in && session[s].throttle_in) || (rate_out && session[s].throttle_out))
+ {
+ cli_error(cli, "User %s already throttled, unthrottle first", argv[0]);
+ return CLI_OK;
+ }
+
+ cli_session_actions[s].throttle_in = cli_session_actions[s].throttle_out = -1;
+ if (rate_in && session[s].throttle_in != rate_in)
+ cli_session_actions[s].throttle_in = rate_in;
+
+ if (rate_out && session[s].throttle_out != rate_out)
+ cli_session_actions[s].throttle_out = rate_out;
+
+ if (cli_session_actions[s].throttle_in == -1 &&
+ cli_session_actions[s].throttle_out == -1)
+ {
+ cli_error(cli, "User %s already throttled at this rate", argv[0]);
+ return CLI_OK;
+ }
+
+ cli_print(cli, "Throttling user %s", argv[0]);
+ cli_session_actions[s].action |= CLI_SESS_THROTTLE;
+
+ return CLI_OK;
+}
+
+static int cmd_no_throttle(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ int i;
+ sessionidt s;
+
+ if (CLI_HELP_REQUESTED)
+ return cli_arg_help(cli, argc > 1,
+ "USER", "Username of session to unthrottle", NULL);
+
+ if (!config->cluster_iam_master)
+ {
+ cli_error(cli, "Can't do this on a slave. Do it on %s",
+ fmtaddr(config->cluster_master_address, 0));
+
+ return CLI_OK;
+ }
+
+ if (!argc)
+ {
+ cli_error(cli, "Specify a user to unthrottle");
+ return CLI_OK;
+ }
+
+ for (i = 0; i < argc; i++)
+ {
+ if (!(s = sessionbyuser(argv[i])))
+ {
+ cli_error(cli, "User %s is not connected", argv[i]);
+ continue;
+ }
+
+ if (session[s].throttle_in || session[s].throttle_out)
+ {
+ cli_print(cli, "Unthrottling user %s", argv[i]);
+ cli_session_actions[s].action |= CLI_SESS_NOTHROTTLE;
+ }
+ else
+ {
+ cli_error(cli, "User %s not throttled", argv[i]);
+ }
+ }
+
+ return CLI_OK;
+}
+
+static int cmd_debug(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ int i;
+
+ if (CLI_HELP_REQUESTED)
+ return cli_arg_help(cli, 1,
+ "all", "Enable debugging for all except \"data\"",
+ "critical", "", // FIXME: add descriptions
+ "error", "",
+ "warning", "",
+ "info", "",
+ "calls", "",
+ "data", "",
+ NULL);
+
+ if (!argc)
+ {
+ char *p = (char *) &debug_flags;
+ for (i = 0; i < sizeof(debug_flags); i++)
+ {
+ if (p[i])
+ {
+ cli_print(cli, "Currently debugging:%s%s%s%s%s%s",
+ (debug_flags.critical) ? " critical" : "",
+ (debug_flags.error) ? " error" : "",
+ (debug_flags.warning) ? " warning" : "",
+ (debug_flags.info) ? " info" : "",
+ (debug_flags.calls) ? " calls" : "",
+ (debug_flags.data) ? " data" : "");
+
+ return CLI_OK;
+ }
+ }
+
+ cli_print(cli, "Debugging off");
+ return CLI_OK;
+ }
+
+ for (i = 0; i < argc; i++)
+ {
+ int len = strlen(argv[i]);
+
+ if (argv[i][0] == 'c' && len < 2)
+ len = 2; /* distinguish [cr]itical from [ca]lls */
+
+ if (!strncmp("critical", argv[i], len)) { debug_flags.critical = 1; continue; }
+ if (!strncmp("error", argv[i], len)) { debug_flags.error = 1; continue; }
+ if (!strncmp("warning", argv[i], len)) { debug_flags.warning = 1; continue; }
+ if (!strncmp("info", argv[i], len)) { debug_flags.info = 1; continue; }
+ if (!strncmp("calls", argv[i], len)) { debug_flags.calls = 1; continue; }
+ if (!strncmp("data", argv[i], len)) { debug_flags.data = 1; continue; }
+ if (!strncmp("all", argv[i], len))
+ {
+ memset(&debug_flags, 1, sizeof(debug_flags));
+ debug_flags.data = 0;
+ continue;
+ }
+
+ cli_error(cli, "Invalid debugging flag \"%s\"", argv[i]);
+ }
+
+ return CLI_OK;
+}
+
+static int cmd_no_debug(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ int i;
+
+ if (CLI_HELP_REQUESTED)
+ return cli_arg_help(cli, 1,
+ "all", "Disable all debugging",
+ "critical", "", // FIXME: add descriptions
+ "error", "",
+ "warning", "",
+ "info", "",
+ "calls", "",
+ "data", "",
+ NULL);
+
+ if (!argc)
+ {
+ memset(&debug_flags, 0, sizeof(debug_flags));
+ return CLI_OK;
+ }
+
+ for (i = 0; i < argc; i++)
+ {
+ int len = strlen(argv[i]);
+
+ if (argv[i][0] == 'c' && len < 2)
+ len = 2; /* distinguish [cr]itical from [ca]lls */
+
+ if (!strncmp("critical", argv[i], len)) { debug_flags.critical = 0; continue; }
+ if (!strncmp("error", argv[i], len)) { debug_flags.error = 0; continue; }
+ if (!strncmp("warning", argv[i], len)) { debug_flags.warning = 0; continue; }
+ if (!strncmp("info", argv[i], len)) { debug_flags.info = 0; continue; }
+ if (!strncmp("calls", argv[i], len)) { debug_flags.calls = 0; continue; }
+ if (!strncmp("data", argv[i], len)) { debug_flags.data = 0; continue; }
+ if (!strncmp("all", argv[i], len))
+ {
+ memset(&debug_flags, 0, sizeof(debug_flags));
+ continue;
+ }
+
+ cli_error(cli, "Invalid debugging flag \"%s\"", argv[i]);
+ }
+
+ return CLI_OK;
+}
+
+static int cmd_load_plugin(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ int i, firstfree = 0;
+
+ if (CLI_HELP_REQUESTED)
+ return cli_arg_help(cli, argc > 1,
+ "PLUGIN", "Name of plugin to load", NULL);
+
+ if (argc != 1)
+ {
+ cli_error(cli, "Specify a plugin to load");
+ return CLI_OK;
+ }
+
+ for (i = 0; i < MAXPLUGINS; i++)
+ {
+ if (!*config->plugins[i] && !firstfree)
+ firstfree = i;
+ if (strcmp(config->plugins[i], argv[0]) == 0)
+ {
+ cli_error(cli, "Plugin is already loaded");
+ return CLI_OK;
+ }
+ }
+
+ if (firstfree)
+ {
+ strncpy(config->plugins[firstfree], argv[0], sizeof(config->plugins[firstfree]) - 1);
+ config->reload_config = 1;
+ cli_print(cli, "Loading plugin %s", argv[0]);
+ }
+
+ return CLI_OK;
+}
+
+static int cmd_remove_plugin(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ int i;
+
+ if (CLI_HELP_REQUESTED)
+ return cli_arg_help(cli, argc > 1,
+ "PLUGIN", "Name of plugin to unload", NULL);
+
+ if (argc != 1)
+ {
+ cli_error(cli, "Specify a plugin to remove");
+ return CLI_OK;
+ }
+
+ for (i = 0; i < MAXPLUGINS; i++)
+ {
+ if (strcmp(config->plugins[i], argv[0]) == 0)
+ {
+ config->reload_config = 1;
+ memset(config->plugins[i], 0, sizeof(config->plugins[i]));
+ return CLI_OK;
+ }
+ }
+
+ cli_error(cli, "Plugin is not loaded");
+ return CLI_OK;
+}
+
+static char *duration(time_t secs)
+{
+ static char *buf = NULL;
+ int p = 0;
+
+ if (!buf) buf = calloc(64, 1);
+
+ if (secs >= 86400)
+ {
+ int days = secs / 86400;
+ p = sprintf(buf, "%d day%s, ", days, days > 1 ? "s" : "");
+ secs %= 86400;
+ }
+
+ if (secs >= 3600)
+ {
+ int mins = secs / 60;
+ int hrs = mins / 60;
+
+ mins %= 60;
+ sprintf(buf + p, "%d:%02d", hrs, mins);
+ }
+ else if (secs >= 60)
+ {
+ int mins = secs / 60;
+ sprintf(buf + p, "%d min%s", mins, mins > 1 ? "s" : "");
+ }
+ else
+ sprintf(buf, "%ld sec%s", secs, secs > 1 ? "s" : "");
+
+ return buf;
+}
+
+static int cmd_uptime(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ FILE *fh;
+ char buf[100], *p = buf, *loads[3];
+ int i, num_sessions = 0;
+
+ if (CLI_HELP_REQUESTED)
+ return CLI_HELP_NO_ARGS;
+
+ fh = fopen("/proc/loadavg", "r");
+ fgets(buf, 100, fh);
+ fclose(fh);
+
+ for (i = 0; i < 3; i++)
+ loads[i] = strdup(strsep(&p, " "));
+
+ time(&time_now);
+ strftime(buf, 99, "%H:%M:%S", localtime(&time_now));
+
+ for (i = 1; i < MAXSESSION; i++)
+ if (session[i].opened) num_sessions++;
+
+ cli_print(cli, "%s up %s, %d users, load average: %s, %s, %s",
+ buf,
+ duration(time_now - config->start_time),
+ num_sessions,
+ loads[0], loads[1], loads[2]
+ );
+ for (i = 0; i < 3; i++)
+ if (loads[i]) free(loads[i]);
+
+ cli_print(cli, "Bandwidth: %s", config->bandwidth);
+
+ return CLI_OK;
+}
+
+static int cmd_set(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ int i;
+
+ if (CLI_HELP_REQUESTED)
+ {
+ switch (argc)
+ {
+ case 1:
+ {
+ int len = strlen(argv[0])-1;
+ for (i = 0; config_values[i].key; i++)
+ if (!len || !strncmp(config_values[i].key, argv[0], len))
+ cli_error(cli, " %s", config_values[i].key);
+ }
+
+ return CLI_OK;
+
+ case 2:
+ return cli_arg_help(cli, 0,
+ "VALUE", "Value for variable", NULL);
+
+ case 3:
+ if (!argv[2][1])
+ return cli_arg_help(cli, 1, NULL);
+
+ default:
+ return CLI_OK;
+ }
+ }
+
+ if (argc != 2)
+ {
+ cli_error(cli, "Specify variable and value");
+ return CLI_OK;
+ }
+
+ for (i = 0; config_values[i].key; i++)
+ {
+ void *value = ((void *) config) + config_values[i].offset;
+ if (strcmp(config_values[i].key, argv[0]) == 0)
+ {
+ // Found a value to set
+ cli_print(cli, "Setting \"%s\" to \"%s\"", argv[0], argv[1]);
+ switch (config_values[i].type)
+ {
+ case STRING:
+ snprintf((char *) value, config_values[i].size, "%s", argv[1]);
+ break;
+ case INT:
+ *(int *) value = atoi(argv[1]);
+ break;
+ case UNSIGNED_LONG:
+ *(unsigned long *) value = atol(argv[1]);
+ break;
+ case SHORT:
+ *(short *) value = atoi(argv[1]);
+ break;
+ case IPv4:
+ *(in_addr_t *) value = inet_addr(argv[1]);
+ break;
+ case IPv6:
+ inet_pton(AF_INET6, argv[1], value);
+ break;
+ case MAC:
+ parsemac(argv[1], (char *)value);
+ break;
+ case BOOL:
+ if (strcasecmp(argv[1], "yes") == 0 || strcasecmp(argv[1], "true") == 0 || strcasecmp(argv[1], "1") == 0)
+ *(int *) value = 1;
+ else
+ *(int *) value = 0;
+ break;
+ default:
+ cli_error(cli, "Unknown variable type");
+ break;
+ }
+ config->reload_config = 1;
+ return CLI_OK;
+ }
+ }
+
+ cli_error(cli, "Unknown variable \"%s\"", argv[0]);
+ return CLI_OK;
+}
+
+int regular_stuff(struct cli_def *cli)
+{
+#ifdef RINGBUFFER
+ int out = 0;
+ int i;
+
+ for (i = debug_rb_tail; i != ringbuffer->tail; i = (i + 1) % RINGBUFFER_SIZE)
+ {
+ char *m = ringbuffer->buffer[i].message;
+ char *p;
+ int show = 0;
+
+ if (!*m) continue;
+
+ switch (ringbuffer->buffer[i].level)
+ {
+ case 0: show = debug_flags.critical; break;
+ case 1: show = debug_flags.error; break;
+ case 2: show = debug_flags.warning; break;
+ case 3: show = debug_flags.info; break;
+ case 4: show = debug_flags.calls; break;
+ case 5: show = debug_flags.data; break;
+ }
+
+ if (!show) continue;
+
+ if (!(p = strchr(m, '\n')))
+ p = m + strlen(m);
+
+ cli_error(cli, "\r%s-%u-%u %.*s",
+ debug_levels[(int)ringbuffer->buffer[i].level],
+ ringbuffer->buffer[i].tunnel,
+ ringbuffer->buffer[i].session,
+ (int) (p - m), m);
+
+ out++;
+ }
+
+ debug_rb_tail = ringbuffer->tail;
+ if (out)
+ cli_reprompt(cli);
+#endif
+ return CLI_OK;
+}
+
+#ifdef BGP
+static int cmd_router_bgp(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ int as;
+
+ if (CLI_HELP_REQUESTED)
+ return cli_arg_help(cli, argc > 1,
+ "<1-65535>", "Autonomous system number", NULL);
+
+ if (argc != 1 || (as = atoi(argv[0])) < 1 || as > 65535)
+ {
+ cli_error(cli, "Invalid autonomous system number");
+ return CLI_OK;
+ }
+
+ if (bgp_configured && as != config->as_number)
+ {
+ cli_error(cli, "Can't change local AS on a running system");
+ return CLI_OK;
+ }
+
+ config->as_number = as;
+ cli_set_configmode(cli, MODE_CONFIG_BGP, "router");
+
+ return CLI_OK;
+}
+
+static int find_bgp_neighbour(char const *name)
+{
+ int i;
+ int new = -1;
+ struct hostent *h;
+ in_addr_t addrs[4] = { 0 };
+ char **a;
+
+ if (!(h = gethostbyname(name)) || h->h_addrtype != AF_INET)
+ return -2;
+
+ for (i = 0; i < sizeof(addrs) / sizeof(*addrs) && h->h_addr_list[i]; i++)
+ memcpy(&addrs[i], h->h_addr_list[i], sizeof(*addrs));
+
+ for (i = 0; i < BGP_NUM_PEERS; i++)
+ {
+ if (!config->neighbour[i].name[0])
+ {
+ if (new == -1) new = i;
+ continue;
+ }
+
+ if (!strcmp(name, config->neighbour[i].name))
+ return i;
+
+ if (!(h = gethostbyname(config->neighbour[i].name)) || h->h_addrtype != AF_INET)
+ continue;
+
+ for (a = h->h_addr_list; *a; a++)
+ {
+ int j;
+ for (j = 0; j < sizeof(addrs) / sizeof(*addrs) && addrs[j]; j++)
+ if (!memcmp(&addrs[j], *a, sizeof(*addrs)))
+ return i;
+ }
+ }
+
+ return new;
+}
+
+static int cmd_router_bgp_neighbour(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ int i;
+ int keepalive;
+ int hold;
+
+ if (CLI_HELP_REQUESTED)
+ {
+ switch (argc)
+ {
+ case 1:
+ return cli_arg_help(cli, 0,
+ "A.B.C.D", "BGP neighbour address",
+ "NAME", "BGP neighbour name",
+ NULL);
+
+ case 2:
+ return cli_arg_help(cli, 0,
+ "remote-as", "Set remote autonomous system number",
+ "timers", "Set timers",
+ NULL);
+
+ default:
+ if (MATCH("remote-as", argv[1]))
+ return cli_arg_help(cli, argv[2][1], "<1-65535>", "Autonomous system number", NULL);
+
+ if (MATCH("timers", argv[1]))
+ {
+ if (argc == 3)
+ return cli_arg_help(cli, 0, "<1-65535>", "Keepalive time", NULL);
+
+ if (argc == 4)
+ return cli_arg_help(cli, argv[3][1], "<3-65535>", "Hold time", NULL);
+
+ if (argc == 5 && !argv[4][1])
+ return cli_arg_help(cli, 1, NULL);
+ }
+
+ return CLI_OK;
+ }
+ }
+
+ if (argc < 3)
+ {
+ cli_error(cli, "Invalid arguments");
+ return CLI_OK;
+ }
+
+ if ((i = find_bgp_neighbour(argv[0])) == -2)
+ {
+ cli_error(cli, "Invalid neighbour");
+ return CLI_OK;
+ }
+
+ if (i == -1)
+ {
+ cli_error(cli, "Too many neighbours (max %d)", BGP_NUM_PEERS);
+ return CLI_OK;
+ }
+
+ if (MATCH("remote-as", argv[1]))
+ {
+ int as = atoi(argv[2]);
+ if (as < 0 || as > 65535)
+ {
+ cli_error(cli, "Invalid autonomous system number");
+ return CLI_OK;
+ }
+
+ if (!config->neighbour[i].name[0])
+ {
+ snprintf(config->neighbour[i].name, sizeof(config->neighbour[i].name), "%s", argv[0]);
+ config->neighbour[i].keepalive = -1;
+ config->neighbour[i].hold = -1;
+ }
+
+ config->neighbour[i].as = as;
+ return CLI_OK;
+ }
+
+ if (argc != 4 || !MATCH("timers", argv[1]))
+ {
+ cli_error(cli, "Invalid arguments");
+ return CLI_OK;
+ }
+
+ if (!config->neighbour[i].name[0])
+ {
+ cli_error(cli, "Specify remote-as first");
+ return CLI_OK;
+ }
+
+ keepalive = atoi(argv[2]);
+ hold = atoi(argv[3]);
+
+ if (keepalive < 1 || keepalive > 65535)
+ {
+ cli_error(cli, "Invalid keepalive time");
+ return CLI_OK;
+ }
+
+ if (hold < 3 || hold > 65535)
+ {
+ cli_error(cli, "Invalid hold time");
+ return CLI_OK;
+ }
+
+ if (keepalive == BGP_KEEPALIVE_TIME)
+ keepalive = -1; // using default value
+
+ if (hold == BGP_HOLD_TIME)
+ hold = -1;
+
+ config->neighbour[i].keepalive = keepalive;
+ config->neighbour[i].hold = hold;
+
+ return CLI_OK;
+}
+
+static int cmd_router_bgp_no_neighbour(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ int i;
+
+ if (CLI_HELP_REQUESTED)
+ return cli_arg_help(cli, argc > 0,
+ "A.B.C.D", "BGP neighbour address",
+ "NAME", "BGP neighbour name",
+ NULL);
+
+ if (argc != 1)
+ {
+ cli_error(cli, "Specify a BGP neighbour");
+ return CLI_OK;
+ }
+
+ if ((i = find_bgp_neighbour(argv[0])) == -2)
+ {
+ cli_error(cli, "Invalid neighbour");
+ return CLI_OK;
+ }
+
+ if (i < 0 || !config->neighbour[i].name[0])
+ {
+ cli_error(cli, "Neighbour %s not configured", argv[0]);
+ return CLI_OK;
+ }
+
+ memset(&config->neighbour[i], 0, sizeof(config->neighbour[i]));
+ return CLI_OK;
+}
+
+static int cmd_show_bgp(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ int i;
+ int hdr = 0;
+ char *addr;
+
+ if (!bgp_configured)
+ return CLI_OK;
+
+ if (CLI_HELP_REQUESTED)
+ return cli_arg_help(cli, 1,
+ "A.B.C.D", "BGP neighbour address",
+ "NAME", "BGP neighbour name",
+ NULL);
+
+ cli_print(cli, "BGPv%d router identifier %s, local AS number %d",
+ BGP_VERSION, fmtaddr(my_address, 0), (int) config->as_number);
+
+ time(&time_now);
+
+ for (i = 0; i < BGP_NUM_PEERS; i++)
+ {
+ if (!*bgp_peers[i].name)
+ continue;
+
+ addr = fmtaddr(bgp_peers[i].addr, 0);
+ if (argc && strcmp(addr, argv[0]) &&
+ strncmp(bgp_peers[i].name, argv[0], strlen(argv[0])))
+ continue;
+
+ if (!hdr++)
+ {
+ cli_print(cli, "");
+ cli_print(cli, "Peer AS Address "
+ "State Retries Retry in Route Pend Timers");
+ cli_print(cli, "------------------ ----- --------------- "
+ "----------- ------- -------- ----- ---- ---------");
+ }
+
+ cli_print(cli, "%-18.18s %5d %15s %-11s %7d %7lds %5s %4s %4d %4d",
+ bgp_peers[i].name,
+ bgp_peers[i].as,
+ addr,
+ bgp_state_str(bgp_peers[i].state),
+ bgp_peers[i].retry_count,
+ bgp_peers[i].retry_time ? bgp_peers[i].retry_time - time_now : 0,
+ bgp_peers[i].routing ? "yes" : "no",
+ bgp_peers[i].update_routes ? "yes" : "no",
+ bgp_peers[i].keepalive,
+ bgp_peers[i].hold);
+ }
+
+ return CLI_OK;
+}
+
+static int cmd_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ int i;
+ char *addr;
+
+ if (!bgp_configured)
+ return CLI_OK;
+
+ if (CLI_HELP_REQUESTED)
+ return cli_arg_help(cli, 1,
+ "A.B.C.D", "BGP neighbour address",
+ "NAME", "BGP neighbour name",
+ NULL);
+
+ for (i = 0; i < BGP_NUM_PEERS; i++)
+ {
+ if (bgp_peers[i].state != Established)
+ continue;
+
+ if (!bgp_peers[i].routing)
+ continue;
+
+ addr = fmtaddr(bgp_peers[i].addr, 0);
+ if (argc && strcmp(addr, argv[0]) && strcmp(bgp_peers[i].name, argv[0]))
+ continue;
+
+ bgp_peers[i].cli_flag = BGP_CLI_SUSPEND;
+ cli_print(cli, "Suspending peer %s", bgp_peers[i].name);
+ }
+
+ return CLI_OK;
+}
+
+static int cmd_no_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ int i;
+ char *addr;
+
+ if (!bgp_configured)
+ return CLI_OK;
+
+ if (CLI_HELP_REQUESTED)
+ return cli_arg_help(cli, 1,
+ "A.B.C.D", "BGP neighbour address",
+ "NAME", "BGP neighbour name",
+ NULL);
+
+ for (i = 0; i < BGP_NUM_PEERS; i++)
+ {
+ if (bgp_peers[i].state != Established)
+ continue;
+
+ if (bgp_peers[i].routing)
+ continue;
+
+ addr = fmtaddr(bgp_peers[i].addr, 0);
+ if (argc && strcmp(addr, argv[0]) &&
+ strncmp(bgp_peers[i].name, argv[0], strlen(argv[0])))
+ continue;
+
+ bgp_peers[i].cli_flag = BGP_CLI_ENABLE;
+ cli_print(cli, "Un-suspending peer %s", bgp_peers[i].name);
+ }
+
+ return CLI_OK;
+}
+
+static int cmd_restart_bgp(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ int i;
+ char *addr;
+
+ if (!bgp_configured)
+ return CLI_OK;
+
+ if (CLI_HELP_REQUESTED)
+ return cli_arg_help(cli, 1,
+ "A.B.C.D", "BGP neighbour address",
+ "NAME", "BGP neighbour name",
+ NULL);
+
+ for (i = 0; i < BGP_NUM_PEERS; i++)
+ {
+ if (!*bgp_peers[i].name)
+ continue;
+
+ addr = fmtaddr(bgp_peers[i].addr, 0);
+ if (argc && strcmp(addr, argv[0]) &&
+ strncmp(bgp_peers[i].name, argv[0], strlen(argv[0])))
+ continue;
+
+ bgp_peers[i].cli_flag = BGP_CLI_RESTART;
+ cli_print(cli, "Restarting peer %s", bgp_peers[i].name);
+ }
+
+ return CLI_OK;
+}
+#endif /* BGP*/
+
+static int filt;
+static int access_list(struct cli_def *cli, char **argv, int argc, int add)
+{
+ int extended;
+
+ if (CLI_HELP_REQUESTED)
+ {
+ switch (argc)
+ {
+ case 1:
+ return cli_arg_help(cli, 0,
+ "standard", "Standard syntax",
+ "extended", "Extended syntax",
+ NULL);
+
+ case 2:
+ return cli_arg_help(cli, argv[1][1],
+ "NAME", "Access-list name",
+ NULL);
+
+ default:
+ if (argc == 3 && !argv[2][1])
+ return cli_arg_help(cli, 1, NULL);
+
+ return CLI_OK;
+ }
+ }
+
+ if (argc != 2)
+ {
+ cli_error(cli, "Specify access-list type and name");
+ return CLI_OK;
+ }
+
+ if (MATCH("standard", argv[0]))
+ extended = 0;
+ else if (MATCH("extended", argv[0]))
+ extended = 1;
+ else
+ {
+ cli_error(cli, "Invalid access-list type");
+ return CLI_OK;
+ }
+
+ if (strlen(argv[1]) > sizeof(ip_filters[0].name) - 1 ||
+ strspn(argv[1], "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-") != strlen(argv[1]))
+ {
+ cli_error(cli, "Invalid access-list name");
+ return CLI_OK;
+ }
+
+ filt = find_filter(argv[1], strlen(argv[1]));
+ if (add)
+ {
+ if (filt < 0)
+ {
+ cli_error(cli, "Too many access-lists");
+ return CLI_OK;
+ }
+
+ // racy
+ if (!*ip_filters[filt].name)
+ {
+ memset(&ip_filters[filt], 0, sizeof(ip_filters[filt]));
+ strcpy(ip_filters[filt].name, argv[1]);
+ ip_filters[filt].extended = extended;
+ }
+ else if (ip_filters[filt].extended != extended)
+ {
+ cli_error(cli, "Access-list is %s",
+ ip_filters[filt].extended ? "extended" : "standard");
+
+ return CLI_OK;
+ }
- cli_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);
+ cli_set_configmode(cli, MODE_CONFIG_NACL, extended ? "ext-nacl" : "std-nacl");
+ return CLI_OK;
+ }
- reprompt = 1;
+ if (filt < 0 || !*ip_filters[filt].name)
+ {
+ cli_error(cli, "Access-list not defined");
+ return CLI_OK;
}
- if (++i == ringbuffer->tail) break;
- if (i == RINGBUFFER_SIZE) i = 0;
- }
+ // racy
+ if (ip_filters[filt].used)
+ {
+ cli_error(cli, "Access-list in use");
+ return CLI_OK;
+ }
- debug_rb_tail = ringbuffer->tail;
- if (reprompt)
- cli_reprompt(cli);
-#endif
- return CLI_OK;
+ memset(&ip_filters[filt], 0, sizeof(ip_filters[filt]));
+ return CLI_OK;
+}
+
+static int cmd_ip_access_list(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ return access_list(cli, argv, argc, 1);
+}
+
+static int cmd_no_ip_access_list(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ return access_list(cli, argv, argc, 0);
+}
+
+static int show_ip_wild(char *buf, in_addr_t ip, in_addr_t wild)
+{
+ if (ip == INADDR_ANY && wild == INADDR_BROADCAST)
+ return sprintf(buf, " any");
+
+ if (wild == INADDR_ANY)
+ return sprintf(buf, " host %s", fmtaddr(ip, 0));
+
+ return sprintf(buf, " %s %s", fmtaddr(ip, 0), fmtaddr(wild, 1));
+}
+
+static int show_ports(char *buf, ip_filter_portt *ports)
+{
+ switch (ports->op)
+ {
+ case FILTER_PORT_OP_EQ: return sprintf(buf, " eq %u", ports->port);
+ case FILTER_PORT_OP_NEQ: return sprintf(buf, " neq %u", ports->port);
+ case FILTER_PORT_OP_GT: return sprintf(buf, " gt %u", ports->port);
+ case FILTER_PORT_OP_LT: return sprintf(buf, " lt %u", ports->port);
+ case FILTER_PORT_OP_RANGE: return sprintf(buf, " range %u %u", ports->port, ports->port2);
+ }
+
+ return 0;
+}
+
+static char const *show_access_list_rule(int extended, ip_filter_rulet *rule)
+{
+ static char buf[256];
+ char *p = buf;
+
+ p += sprintf(p, " %s", rule->action == FILTER_ACTION_PERMIT ? "permit" : "deny");
+ if (extended)
+ {
+ struct protoent *proto = getprotobynumber(rule->proto);
+ p += sprintf(p, " %s", proto ? proto->p_name : "ERR");
+ }
+
+ p += show_ip_wild(p, rule->src_ip, rule->src_wild);
+ if (!extended)
+ return buf;
+
+ if (rule->proto == IPPROTO_TCP || rule->proto == IPPROTO_UDP)
+ p += show_ports(p, &rule->src_ports);
+
+ p += show_ip_wild(p, rule->dst_ip, rule->dst_wild);
+ if (rule->proto == IPPROTO_TCP || rule->proto == IPPROTO_UDP)
+ p += show_ports(p, &rule->dst_ports);
+
+ if (rule->proto == IPPROTO_TCP && rule->tcp_flag_op)
+ {
+ switch (rule->tcp_flag_op)
+ {
+ case FILTER_FLAG_OP_EST:
+ p += sprintf(p, " established");
+ break;
+
+ case FILTER_FLAG_OP_ANY:
+ case FILTER_FLAG_OP_ALL:
+ p += sprintf(p, " match-%s", rule->tcp_flag_op == FILTER_FLAG_OP_ALL ? "all" : "any");
+ if (rule->tcp_sflags & TCP_FLAG_FIN) p += sprintf(p, " +fin");
+ if (rule->tcp_cflags & TCP_FLAG_FIN) p += sprintf(p, " -fin");
+ if (rule->tcp_sflags & TCP_FLAG_SYN) p += sprintf(p, " +syn");
+ if (rule->tcp_cflags & TCP_FLAG_SYN) p += sprintf(p, " -syn");
+ if (rule->tcp_sflags & TCP_FLAG_RST) p += sprintf(p, " +rst");
+ if (rule->tcp_cflags & TCP_FLAG_RST) p += sprintf(p, " -rst");
+ if (rule->tcp_sflags & TCP_FLAG_PSH) p += sprintf(p, " +psh");
+ if (rule->tcp_cflags & TCP_FLAG_PSH) p += sprintf(p, " -psh");
+ if (rule->tcp_sflags & TCP_FLAG_ACK) p += sprintf(p, " +ack");
+ if (rule->tcp_cflags & TCP_FLAG_ACK) p += sprintf(p, " -ack");
+ if (rule->tcp_sflags & TCP_FLAG_URG) p += sprintf(p, " +urg");
+ if (rule->tcp_cflags & TCP_FLAG_URG) p += sprintf(p, " -urg");
+ break;
+ }
+ }
+
+ if (rule->frag)
+ p += sprintf(p, " fragments");
+
+ return buf;
+}
+
+static ip_filter_rulet *access_list_rule_ext(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ static ip_filter_rulet rule;
+ struct in_addr addr;
+ int i;
+ int a;
+
+ if (CLI_HELP_REQUESTED)
+ {
+ if (argc == 1)
+ {
+ cli_arg_help(cli, 0,
+ "ip", "Match IP packets",
+ "tcp", "Match TCP packets",
+ "udp", "Match UDP packets",
+ NULL);
+
+ return NULL;
+ }
+
+ // *sigh*, too darned complex
+ cli_arg_help(cli, 0, "RULE", "SOURCE [PORTS] DEST [PORTS] FLAGS", NULL);
+ return NULL;
+ }
+
+ if (argc < 3)
+ {
+ cli_error(cli, "Specify rule details");
+ return NULL;
+ }
+
+ memset(&rule, 0, sizeof(rule));
+ rule.action = (command[0] == 'p')
+ ? FILTER_ACTION_PERMIT
+ : FILTER_ACTION_DENY;
+
+ if (MATCH("ip", argv[0]))
+ rule.proto = IPPROTO_IP;
+ else if (MATCH("udp", argv[0]))
+ rule.proto = IPPROTO_UDP;
+ else if (MATCH("tcp", argv[0]))
+ rule.proto = IPPROTO_TCP;
+ else
+ {
+ cli_error(cli, "Invalid protocol \"%s\"", argv[0]);
+ return NULL;
+ }
+
+ for (a = 1, i = 0; i < 2; i++)
+ {
+ in_addr_t *ip;
+ in_addr_t *wild;
+ ip_filter_portt *port;
+
+ if (i == 0)
+ {
+ ip = &rule.src_ip;
+ wild = &rule.src_wild;
+ port = &rule.src_ports;
+ }
+ else
+ {
+ ip = &rule.dst_ip;
+ wild = &rule.dst_wild;
+ port = &rule.dst_ports;
+ if (a >= argc)
+ {
+ cli_error(cli, "Specify destination");
+ return NULL;
+ }
+ }
+
+ if (MATCH("any", argv[a]))
+ {
+ *ip = INADDR_ANY;
+ *wild = INADDR_BROADCAST;
+ a++;
+ }
+ else if (MATCH("host", argv[a]))
+ {
+ if (++a >= argc)
+ {
+ cli_error(cli, "Specify host ip address");
+ return NULL;
+ }
+
+ if (!inet_aton(argv[a], &addr))
+ {
+ cli_error(cli, "Cannot parse IP \"%s\"", argv[a]);
+ return NULL;
+ }
+
+ *ip = addr.s_addr;
+ *wild = INADDR_ANY;
+ a++;
+ }
+ else
+ {
+ if (a >= argc - 1)
+ {
+ cli_error(cli, "Specify %s ip address and wildcard", i ? "destination" : "source");
+ return NULL;
+ }
+
+ if (!inet_aton(argv[a], &addr))
+ {
+ cli_error(cli, "Cannot parse IP \"%s\"", argv[a]);
+ return NULL;
+ }
+
+ *ip = addr.s_addr;
+
+ if (!inet_aton(argv[++a], &addr))
+ {
+ cli_error(cli, "Cannot parse IP \"%s\"", argv[a]);
+ return NULL;
+ }
+
+ *wild = addr.s_addr;
+ a++;
+ }
+
+ if (rule.proto == IPPROTO_IP || a >= argc)
+ continue;
+
+ port->op = 0;
+ if (MATCH("eq", argv[a]))
+ port->op = FILTER_PORT_OP_EQ;
+ else if (MATCH("neq", argv[a]))
+ port->op = FILTER_PORT_OP_NEQ;
+ else if (MATCH("gt", argv[a]))
+ port->op = FILTER_PORT_OP_GT;
+ else if (MATCH("lt", argv[a]))
+ port->op = FILTER_PORT_OP_LT;
+ else if (MATCH("range", argv[a]))
+ port->op = FILTER_PORT_OP_RANGE;
+
+ if (!port->op)
+ continue;
+
+ if (++a >= argc)
+ {
+ cli_error(cli, "Specify port");
+ return NULL;
+ }
+
+ if (!(port->port = atoi(argv[a])))
+ {
+ cli_error(cli, "Invalid port \"%s\"", argv[a]);
+ return NULL;
+ }
+
+ a++;
+ if (port->op != FILTER_PORT_OP_RANGE)
+ continue;
+
+ if (a >= argc)
+ {
+ cli_error(cli, "Specify port");
+ return NULL;
+ }
+
+ if (!(port->port2 = atoi(argv[a])) || port->port2 < port->port)
+ {
+ cli_error(cli, "Invalid port \"%s\"", argv[a]);
+ return NULL;
+ }
+
+ a++;
+ }
+
+ if (rule.proto == IPPROTO_TCP && a < argc)
+ {
+ if (MATCH("established", argv[a]))
+ {
+ rule.tcp_flag_op = FILTER_FLAG_OP_EST;
+ a++;
+ }
+ else if (!strcmp(argv[a], "match-any") || !strcmp(argv[a], "match-an") ||
+ !strcmp(argv[a], "match-all") || !strcmp(argv[a], "match-al"))
+ {
+ rule.tcp_flag_op = argv[a][7] == 'n'
+ ? FILTER_FLAG_OP_ANY
+ : FILTER_FLAG_OP_ALL;
+
+ if (++a >= argc)
+ {
+ cli_error(cli, "Specify tcp flags");
+ return NULL;
+ }
+
+ while (a < argc && (argv[a][0] == '+' || argv[a][0] == '-'))
+ {
+ uint8_t *f;
+
+ f = (argv[a][0] == '+') ? &rule.tcp_sflags : &rule.tcp_cflags;
+
+ if (MATCH("fin", &argv[a][1])) *f |= TCP_FLAG_FIN;
+ else if (MATCH("syn", &argv[a][1])) *f |= TCP_FLAG_SYN;
+ else if (MATCH("rst", &argv[a][1])) *f |= TCP_FLAG_RST;
+ else if (MATCH("psh", &argv[a][1])) *f |= TCP_FLAG_PSH;
+ else if (MATCH("ack", &argv[a][1])) *f |= TCP_FLAG_ACK;
+ else if (MATCH("urg", &argv[a][1])) *f |= TCP_FLAG_URG;
+ else
+ {
+ cli_error(cli, "Invalid tcp flag \"%s\"", argv[a]);
+ return NULL;
+ }
+
+ a++;
+ }
+ }
+ }
+
+ if (a < argc && MATCH("fragments", argv[a]))
+ {
+ if (rule.src_ports.op || rule.dst_ports.op || rule.tcp_flag_op)
+ {
+ cli_error(cli, "Can't specify \"fragments\" on rules with layer 4 matches");
+ return NULL;
+ }
+
+ rule.frag = 1;
+ a++;
+ }
+
+ if (a < argc)
+ {
+ cli_error(cli, "Invalid flag \"%s\"", argv[a]);
+ return NULL;
+ }
+
+ return &rule;
+}
+
+static ip_filter_rulet *access_list_rule_std(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ static ip_filter_rulet rule;
+ struct in_addr addr;
+
+ if (CLI_HELP_REQUESTED)
+ {
+ if (argc == 1)
+ {
+ cli_arg_help(cli, argv[0][1],
+ "A.B.C.D", "Source address",
+ "any", "Any source address",
+ "host", "Source host",
+ NULL);
+
+ return NULL;
+ }
+
+ if (MATCH("any", argv[0]))
+ {
+ if (argc == 2 && !argv[1][1])
+ cli_arg_help(cli, 1, NULL);
+ }
+ else if (MATCH("host", argv[0]))
+ {
+ if (argc == 2)
+ {
+ cli_arg_help(cli, argv[1][1],
+ "A.B.C.D", "Host address",
+ NULL);
+ }
+ else if (argc == 3 && !argv[2][1])
+ cli_arg_help(cli, 1, NULL);
+ }
+ else
+ {
+ if (argc == 2)
+ {
+ cli_arg_help(cli, 1,
+ "A.B.C.D", "Wildcard bits",
+ NULL);
+ }
+ else if (argc == 3 && !argv[2][1])
+ cli_arg_help(cli, 1, NULL);
+ }
+
+ return NULL;
+ }
+
+ if (argc < 1)
+ {
+ cli_error(cli, "Specify rule details");
+ return NULL;
+ }
+
+ memset(&rule, 0, sizeof(rule));
+ rule.action = (command[0] == 'p')
+ ? FILTER_ACTION_PERMIT
+ : FILTER_ACTION_DENY;
+
+ rule.proto = IPPROTO_IP;
+ if (MATCH("any", argv[0]))
+ {
+ rule.src_ip = INADDR_ANY;
+ rule.src_wild = INADDR_BROADCAST;
+ }
+ else if (MATCH("host", argv[0]))
+ {
+ if (argc != 2)
+ {
+ cli_error(cli, "Specify host ip address");
+ return NULL;
+ }
+
+ if (!inet_aton(argv[1], &addr))
+ {
+ cli_error(cli, "Cannot parse IP \"%s\"", argv[1]);
+ return NULL;
+ }
+
+ rule.src_ip = addr.s_addr;
+ rule.src_wild = INADDR_ANY;
+ }
+ else
+ {
+ if (argc > 2)
+ {
+ cli_error(cli, "Specify source ip address and wildcard");
+ return NULL;
+ }
+
+ if (!inet_aton(argv[0], &addr))
+ {
+ cli_error(cli, "Cannot parse IP \"%s\"", argv[0]);
+ return NULL;
+ }
+
+ rule.src_ip = addr.s_addr;
+
+ if (argc > 1)
+ {
+ if (!inet_aton(argv[1], &addr))
+ {
+ cli_error(cli, "Cannot parse IP \"%s\"", argv[1]);
+ return NULL;
+ }
+
+ rule.src_wild = addr.s_addr;
+ }
+ else
+ rule.src_wild = INADDR_ANY;
+ }
+
+ return &rule;
+}
+
+static int cmd_ip_access_list_rule(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ int i;
+ ip_filter_rulet *rule = ip_filters[filt].extended
+ ? access_list_rule_ext(cli, command, argv, argc)
+ : access_list_rule_std(cli, command, argv, argc);
+
+ if (!rule)
+ return CLI_OK;
+
+ for (i = 0; i < MAXFILTER_RULES - 1; i++) // -1: list always terminated by empty rule
+ {
+ if (!ip_filters[filt].rules[i].action)
+ {
+ memcpy(&ip_filters[filt].rules[i], rule, sizeof(*rule));
+ return CLI_OK;
+ }
+
+ if (!memcmp(&ip_filters[filt].rules[i], rule, sizeof(*rule)))
+ return CLI_OK;
+ }
+
+ cli_error(cli, "Too many rules");
+ return CLI_OK;
+}
+
+static int cmd_filter(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ sessionidt s;
+ int i;
+
+ /* filter USER {in|out} FILTER ... */
+ if (CLI_HELP_REQUESTED)
+ {
+ switch (argc)
+ {
+ case 1:
+ return cli_arg_help(cli, 0,
+ "USER", "Username of session to filter", NULL);
+
+ case 2:
+ case 4:
+ return cli_arg_help(cli, 0,
+ "in", "Set incoming filter",
+ "out", "Set outgoing filter", NULL);
+
+ case 3:
+ case 5:
+ return cli_arg_help(cli, argc == 5 && argv[4][1],
+ "NAME", "Filter name", NULL);
+
+ default:
+ return cli_arg_help(cli, argc > 1, NULL);
+ }
+ }
+
+ if (!config->cluster_iam_master)
+ {
+ cli_error(cli, "Can't do this on a slave. Do it on %s",
+ fmtaddr(config->cluster_master_address, 0));
+
+ return CLI_OK;
+ }
+
+ if (argc != 3 && argc != 5)
+ {
+ cli_error(cli, "Specify a user and filters");
+ return CLI_OK;
+ }
+
+ if (!(s = sessionbyuser(argv[0])))
+ {
+ cli_error(cli, "User %s is not connected", argv[0]);
+ return CLI_OK;
+ }
+
+ cli_session_actions[s].filter_in = cli_session_actions[s].filter_out = -1;
+ for (i = 1; i < argc; i += 2)
+ {
+ int *f = 0;
+ int v;
+
+ if (MATCH("in", argv[i]))
+ {
+ if (session[s].filter_in)
+ {
+ cli_error(cli, "Input already filtered");
+ return CLI_OK;
+ }
+ f = &cli_session_actions[s].filter_in;
+ }
+ else if (MATCH("out", argv[i]))
+ {
+ if (session[s].filter_out)
+ {
+ cli_error(cli, "Output already filtered");
+ return CLI_OK;
+ }
+ f = &cli_session_actions[s].filter_out;
+ }
+ else
+ {
+ cli_error(cli, "Invalid filter specification");
+ return CLI_OK;
+ }
+
+ v = find_filter(argv[i+1], strlen(argv[i+1]));
+ if (v < 0 || !*ip_filters[v].name)
+ {
+ cli_error(cli, "Access-list %s not defined", argv[i+1]);
+ return CLI_OK;
+ }
+
+ *f = v + 1;
+ }
+
+ cli_print(cli, "Filtering user %s", argv[0]);
+ cli_session_actions[s].action |= CLI_SESS_FILTER;
+
+ return CLI_OK;
+}
+
+static int cmd_no_filter(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ int i;
+ sessionidt s;
+
+ if (CLI_HELP_REQUESTED)
+ return cli_arg_help(cli, argc > 1,
+ "USER", "Username of session to remove filters from", NULL);
+
+ if (!config->cluster_iam_master)
+ {
+ cli_error(cli, "Can't do this on a slave. Do it on %s",
+ fmtaddr(config->cluster_master_address, 0));
+
+ return CLI_OK;
+ }
+
+ if (!argc)
+ {
+ cli_error(cli, "Specify a user to remove filters from");
+ return CLI_OK;
+ }
+
+ for (i = 0; i < argc; i++)
+ {
+ if (!(s = sessionbyuser(argv[i])))
+ {
+ cli_error(cli, "User %s is not connected", argv[i]);
+ continue;
+ }
+
+ if (session[s].filter_in || session[s].filter_out)
+ {
+ cli_print(cli, "Removing filters from user %s", argv[i]);
+ cli_session_actions[s].action |= CLI_SESS_NOFILTER;
+ }
+ else
+ {
+ cli_error(cli, "User %s not filtered", argv[i]);
+ }
+ }
+
+ return CLI_OK;
+}
+
+static int cmd_show_access_list(struct cli_def *cli, char *command, char **argv, int argc)
+{
+ int i;
+
+ if (CLI_HELP_REQUESTED)
+ return cli_arg_help(cli, argc > 1, "NAME", "Filter name", NULL);
+
+ if (argc < 1)
+ {
+ cli_error(cli, "Specify a filter name");
+ return CLI_OK;
+ }
+
+ for (i = 0; i < argc; i++)
+ {
+ int f = find_filter(argv[i], strlen(argv[i]));
+ ip_filter_rulet *rules;
+
+ if (f < 0 || !*ip_filters[f].name)
+ {
+ cli_error(cli, "Access-list %s not defined", argv[i]);
+ return CLI_OK;
+ }
+
+ if (i)
+ cli_print(cli, "");
+
+ cli_print(cli, "%s IP access list %s",
+ ip_filters[f].extended ? "Extended" : "Standard",
+ ip_filters[f].name);
+
+ for (rules = ip_filters[f].rules; rules->action; rules++)
+ {
+ char const *r = show_access_list_rule(ip_filters[f].extended, rules);
+ if (rules->counter)
+ cli_print(cli, "%s (%d match%s)", r,
+ rules->counter, rules->counter > 1 ? "es" : "");
+ else
+ cli_print(cli, "%s", r);
+ }
+ }
+
+ return CLI_OK;
+}
+
+// Convert a string in the form of abcd.ef12.3456 into char[6]
+void parsemac(char *string, char mac[6])
+{
+ if (sscanf(string, "%02x%02x.%02x%02x.%02x%02x", (unsigned int *)&mac[0], (unsigned int *)&mac[1], (unsigned int *)&mac[2], (unsigned int *)&mac[3], (unsigned int *)&mac[4], (unsigned int *)&mac[5]) == 6)
+ return;
+ if (sscanf(string, "%02x%02x:%02x%02x:%02x%02x", (unsigned int *)&mac[0], (unsigned int *)&mac[1], (unsigned int *)&mac[2], (unsigned int *)&mac[3], (unsigned int *)&mac[4], (unsigned int *)&mac[5]) == 6)
+ return;
+ memset(mac, 0, 6);
}
projects / l2tpns.git / blobdiff