X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/cb0e9aa9f37817b845f908e3ebc74ad357397cca..702ae1fe5e2976e49d387d42dc8927878cb493a3:/cli.c?ds=sidebyside diff --git a/cli.c b/cli.c index 583ca83..9f50323 100644 --- a/cli.c +++ b/cli.c @@ -2,10 +2,11 @@ // vim: sw=8 ts=8 char const *cvs_name = "$Name: $"; -char const *cvs_id_cli = "$Id: cli.c,v 1.22 2004/11/04 23:41:54 bodea Exp $"; +char const *cvs_id_cli = "$Id: cli.c,v 1.43.2.5 2005/01/13 08:26:51 bodea Exp $"; #include #include +#include #include #include #include @@ -19,9 +20,10 @@ char const *cvs_id_cli = "$Id: cli.c,v 1.22 2004/11/04 23:41:54 bodea Exp $"; #include #include #include -#include #include +#include #include + #include "l2tpns.h" #include "util.h" #include "cluster.h" @@ -36,18 +38,18 @@ extern sessiont *session; extern radiust *radius; extern ippoolt *ip_address_pool; extern struct Tstats *_statistics; -struct cli_def *cli = NULL; -int cli_quit = 0; -extern struct configt *config; -extern struct config_descriptt config_values[]; +static struct cli_def *cli = NULL; +extern configt *config; +extern config_descriptt config_values[]; #ifdef RINGBUFFER extern struct Tringbuffer *ringbuffer; #endif 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; -char *debug_levels[] = { +static char *debug_levels[] = { "CRIT", "ERROR", "WARN", @@ -66,40 +68,60 @@ struct 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 parsemac(char *string, char mac[6]); +static int debug_session; +static int debug_tunnel; +static int debug_rb_tail; + +static int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_tunnels(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_users(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_radius(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_counters(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_version(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_pool(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_run(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_banana(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_plugins(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_throttle(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_write_memory(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_clear_counters(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_drop_user(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_drop_tunnel(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_drop_session(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_no_snoop(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_no_throttle(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_debug(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_no_debug(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_set(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_load_plugin(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_remove_plugin(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_uptime(struct cli_def *cli, char *command, char **argv, int argc); +static int regular_stuff(struct cli_def *cli); +static void parsemac(char *string, char mac[6]); + +#ifdef BGP +#define MODE_CONFIG_BGP 8 +static int cmd_router_bgp(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_router_bgp_neighbour(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_router_bgp_no_neighbour(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_bgp(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_no_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_restart_bgp(struct cli_def *cli, char *command, char **argv, int argc); +#endif /* BGP */ + +#define MODE_CONFIG_NACL 9 +static int cmd_ip_access_list(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_no_ip_access_list(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_ip_access_list_rule(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_filter(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_no_filter(struct cli_def *cli, char *command, char **argv, int argc); +static int cmd_show_access_list(struct cli_def *cli, char *command, char **argv, int argc); + +/* match if b is a substr of a */ +#define MATCH(a,b) (!strncmp((a), (b), strlen(b))) void init_cli(char *hostname) { @@ -133,6 +155,7 @@ void init_cli(char *hostname) 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"); @@ -151,28 +174,43 @@ void init_cli(char *hostname) cli_register_command(cli, c, "memory", cmd_write_memory, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Save the running config to flash"); cli_register_command(cli, c, "terminal", cmd_show_run, PRIVILEGE_UNPRIVILEGED, MODE_EXEC, "Show the running config"); - cli_register_command(cli, NULL, "snoop", cmd_snoop, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Temporarily enable interception for a user"); - cli_register_command(cli, NULL, "throttle", cmd_throttle, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Temporarily enable throttling for a user"); + cli_register_command(cli, NULL, "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 peer"); + 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, "Temporarily disable interception for a user"); - cli_register_command(cli, c, "throttle", cmd_no_throttle, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Temporarily disable throttling for a user"); + cli_register_command(cli, c, "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 peer"); + 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, "restart", NULL, PRIVILEGE_PRIVILEGED, MODE_EXEC, NULL); - cli_register_command(cli, c, "bgp", cmd_restart_bgp, PRIVILEGE_PRIVILEGED, MODE_EXEC, "Restart BGP"); - c = cli_register_command(cli, NULL, "load", NULL, PRIVILEGE_PRIVILEGED, MODE_CONFIG, NULL); cli_register_command(cli, c, "plugin", cmd_load_plugin, PRIVILEGE_PRIVILEGED, MODE_CONFIG, "Load a plugin"); @@ -181,12 +219,22 @@ void init_cli(char *hostname) 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, 0, "WARNING! No users specified. Command-line access is open to all\n"); + LOG(0, 0, 0, "WARNING! No users specified. Command-line access is open to all\n"); } else { @@ -202,12 +250,12 @@ void init_cli(char *hostname) if (!strcmp(buf, "enable")) { cli_allow_enable(cli, p); - log(3, 0, 0, 0, "Setting enable password\n"); + LOG(3, 0, 0, "Setting enable password\n"); } else { cli_allow_user(cli, buf, p); - log(3, 0, 0, 0, "Allowing user %s to connect to the CLI\n", buf); + LOG(3, 0, 0, "Allowing user %s to connect to the CLI\n", buf); } } fclose(f); @@ -226,7 +274,7 @@ void init_cli(char *hostname) 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)); + LOG(0, 0, 0, "Error listening on cli port 23: %s\n", strerror(errno)); return; } listen(clifd, 10); @@ -241,18 +289,19 @@ void cli_do(int sockfd) if (fork_and_close()) return; if (getpeername(sockfd, (struct sockaddr *)&addr, &l) == 0) { - log(3, 0, 0, 0, "Accepted connection to CLI from %s\n", inet_toa(addr.sin_addr.s_addr)); require_auth = addr.sin_addr.s_addr != inet_addr("127.0.0.1"); + 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, "getpeername() failed on cli socket. Requiring authentication: %s\n", strerror(errno)); + LOG(0, 0, 0, "getpeername() failed on cli socket. Requiring authentication: %s\n", strerror(errno)); if (require_auth) { - log(3, 0, 0, 0, "CLI is remote, requiring authentication\n"); + LOG(3, 0, 0, "CLI is remote, requiring authentication\n"); if (!cli->users) /* paranoia */ { - log(0, 0, 0, 0, "No users for remote authentication! Exiting CLI\n"); + LOG(0, 0, 0, "No users for remote authentication! Exiting CLI\n"); exit(0); } } @@ -273,18 +322,20 @@ void cli_do(int sockfd) cli_loop(cli, sockfd); close(sockfd); - log(3, 0, 0, 0, "Closed CLI connection from %s\n", inet_toa(addr.sin_addr.s_addr)); + 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"); + 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); @@ -326,7 +377,7 @@ int cli_arg_help(struct cli_def *cli, int cr_ok, char *entry, ...) return CLI_OK; } -int cmd_show_session(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; @@ -353,19 +404,23 @@ int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc) cli_print(cli, "\tCalling Num:\t%s", session[s].calling); cli_print(cli, "\tCalled Num:\t%s", session[s].called); cli_print(cli, "\tTunnel ID:\t%d", session[s].tunnel); - cli_print(cli, "\tIP address:\t%s", inet_toa(htonl(session[s].ip))); + cli_print(cli, "\tIP address:\t%s", fmtaddr(htonl(session[s].ip), 0)); cli_print(cli, "\tUnique SID:\t%lu", session[s].unique_id); cli_print(cli, "\tIdle time:\t%u seconds", abs(time_now - session[s].last_packet)); cli_print(cli, "\tNext Recv:\t%u", session[s].nr); cli_print(cli, "\tNext Send:\t%u", session[s].ns); - cli_print(cli, "\tBytes In/Out:\t%lu/%lu", (unsigned long)session[s].total_cout, (unsigned long)session[s].total_cin); - cli_print(cli, "\tPkts In/Out:\t%lu/%lu", (unsigned long)session[s].pout, (unsigned long)session[s].pin); + cli_print(cli, "\tBytes In/Out:\t%u/%u", session[s].total_cout, session[s].total_cin); + cli_print(cli, "\tPkts In/Out:\t%u/%u", session[s].pout, session[s].pin); cli_print(cli, "\tMRU:\t\t%d", session[s].mru); cli_print(cli, "\tRadius Session:\t%u", session[s].radius); - cli_print(cli, "\tRx Speed:\t%lu", session[s].rx_connect_speed); - cli_print(cli, "\tTx Speed:\t%lu", session[s].tx_connect_speed); + 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", inet_toa(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"); @@ -439,15 +494,12 @@ int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc) 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, + 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", @@ -455,15 +507,13 @@ int cmd_show_session(struct cli_def *cli, char *command, char **argv, int argc) (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, + fmtaddr(htonl(tunnel[ session[i].tunnel ].ip), 1), 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_tunnels(struct cli_def *cli, char *command, char **argv, int argc) { int i, x, show_all = 0; char *states[] = { @@ -509,7 +559,7 @@ int cmd_show_tunnels(struct cli_def *cli, char *command, char **argv, int argc) cli_print(cli, "\r\nTunnel %d:", t); cli_print(cli, "\tState:\t\t%s", states[tunnel[t].state]); cli_print(cli, "\tHostname:\t%s", tunnel[t].hostname[0] ? tunnel[t].hostname : "(none)"); - cli_print(cli, "\tRemote IP:\t%s", inet_toa(htonl(tunnel[t].ip))); + cli_print(cli, "\tRemote 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); @@ -538,13 +588,13 @@ int cmd_show_tunnels(struct cli_def *cli, char *command, char **argv, int argc) for (i = 1; i < MAXTUNNEL; i++) { int sessions = 0; - if (!show_all && (!tunnel[i].ip || tunnel[i].die || !tunnel[i].hostname[0])) continue; + 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)", - inet_toa(htonl(tunnel[i].ip)), + fmtaddr(htonl(tunnel[i].ip), 0), states[tunnel[i].state], sessions); } @@ -552,7 +602,7 @@ int cmd_show_tunnels(struct cli_def *cli, char *command, char **argv, int argc) return CLI_OK; } -int cmd_show_users(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) { char sid[32][8]; char *sargv[32]; @@ -593,29 +643,29 @@ int cmd_show_users(struct cli_def *cli, char *command, char **argv, int argc) return CLI_OK; } -int cmd_show_counters(struct cli_def *cli, char *command, char **argv, int argc) +static int cmd_show_counters(struct cli_def *cli, char *command, char **argv, int argc) { if (CLI_HELP_REQUESTED) return CLI_HELP_NO_ARGS; - cli_print(cli, "%-10s %-8s %-10s %-8s", "Ethernet", "Bytes", "Packets", "Errors"); - cli_print(cli, "%-10s %8lu %8lu %8lu", "RX", + 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)); - cli_print(cli, "%-10s %8lu %8lu %8lu", "TX", + 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, ""); - cli_print(cli, "%-10s %-8s %-10s %-8s %-8s", "Tunnel", "Bytes", "Packets", "Errors", "Retries"); - cli_print(cli, "%-10s %8lu %8lu %8lu %8lu", "RX", + 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), - 0L); - cli_print(cli, "%-10s %8lu %8lu %8lu %8lu", "TX", + 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), @@ -624,57 +674,71 @@ int cmd_show_counters(struct cli_def *cli, char *command, char **argv, int argc) cli_print(cli, "%-30s%-10s", "Counter", "Value"); cli_print(cli, "-----------------------------------------"); - cli_print(cli, "%-30s%lu", "radius_retries", GET_STAT(radius_retries)); - cli_print(cli, "%-30s%lu", "arp_sent", GET_STAT(arp_sent)); - cli_print(cli, "%-30s%lu", "packets_snooped", GET_STAT(packets_snooped)); - cli_print(cli, "%-30s%lu", "tunnel_created", GET_STAT(tunnel_created)); - cli_print(cli, "%-30s%lu", "session_created", GET_STAT(session_created)); - cli_print(cli, "%-30s%lu", "tunnel_timeout", GET_STAT(tunnel_timeout)); - cli_print(cli, "%-30s%lu", "session_timeout", GET_STAT(session_timeout)); - cli_print(cli, "%-30s%lu", "radius_timeout", GET_STAT(radius_timeout)); - cli_print(cli, "%-30s%lu", "radius_overflow", GET_STAT(radius_overflow)); - cli_print(cli, "%-30s%lu", "tunnel_overflow", GET_STAT(tunnel_overflow)); - cli_print(cli, "%-30s%lu", "session_overflow", GET_STAT(session_overflow)); - cli_print(cli, "%-30s%lu", "ip_allocated", GET_STAT(ip_allocated)); - cli_print(cli, "%-30s%lu", "ip_freed", GET_STAT(ip_freed)); - cli_print(cli, "%-30s%lu", "cluster_forwarded", GET_STAT(c_forwarded)); - cli_print(cli, "%-30s%lu", "recv_forward", GET_STAT(recv_forward)); + 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)); #ifdef STATISTICS cli_print(cli, "\n%-30s%-10s", "Counter", "Value"); cli_print(cli, "-----------------------------------------"); - cli_print(cli, "%-30s%lu", "call_processtun", GET_STAT(call_processtun)); - cli_print(cli, "%-30s%lu", "call_processipout", GET_STAT(call_processipout)); - cli_print(cli, "%-30s%lu", "call_processudp", GET_STAT(call_processudp)); - cli_print(cli, "%-30s%lu", "call_processpap", GET_STAT(call_processpap)); - cli_print(cli, "%-30s%lu", "call_processchap", GET_STAT(call_processchap)); - cli_print(cli, "%-30s%lu", "call_processlcp", GET_STAT(call_processlcp)); - cli_print(cli, "%-30s%lu", "call_processipcp", GET_STAT(call_processipcp)); - cli_print(cli, "%-30s%lu", "call_processipin", GET_STAT(call_processipin)); - cli_print(cli, "%-30s%lu", "call_processccp", GET_STAT(call_processccp)); - cli_print(cli, "%-30s%lu", "call_processrad", GET_STAT(call_processrad)); - cli_print(cli, "%-30s%lu", "call_sendarp", GET_STAT(call_sendarp)); - cli_print(cli, "%-30s%lu", "call_sendipcp", GET_STAT(call_sendipcp)); - cli_print(cli, "%-30s%lu", "call_sendchap", GET_STAT(call_sendchap)); - cli_print(cli, "%-30s%lu", "call_sessionbyip", GET_STAT(call_sessionbyip)); - cli_print(cli, "%-30s%lu", "call_sessionbyuser", GET_STAT(call_sessionbyuser)); - cli_print(cli, "%-30s%lu", "call_tunnelsend", GET_STAT(call_tunnelsend)); - cli_print(cli, "%-30s%lu", "call_tunnelkill", GET_STAT(call_tunnelkill)); - cli_print(cli, "%-30s%lu", "call_tunnelshutdown", GET_STAT(call_tunnelshutdown)); - cli_print(cli, "%-30s%lu", "call_sessionkill", GET_STAT(call_sessionkill)); - cli_print(cli, "%-30s%lu", "call_sessionshutdown", GET_STAT(call_sessionshutdown)); - cli_print(cli, "%-30s%lu", "call_sessionsetup", GET_STAT(call_sessionsetup)); - cli_print(cli, "%-30s%lu", "call_assign_ip_address", GET_STAT(call_assign_ip_address)); - cli_print(cli, "%-30s%lu", "call_free_ip_address", GET_STAT(call_free_ip_address)); - cli_print(cli, "%-30s%lu", "call_dump_acct_info", GET_STAT(call_dump_acct_info)); - cli_print(cli, "%-30s%lu", "call_radiussend", GET_STAT(call_radiussend)); - cli_print(cli, "%-30s%lu", "call_radiusretry", GET_STAT(call_radiusretry)); + 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_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_processipin", GET_STAT(call_processipin)); + 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_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)); #endif + + { + time_t l = GET_STAT(last_reset); + char *t = ctime(&l); + char *p = strchr(t, '\n'); + if (p) *p = 0; + + cli_print(cli, ""); + cli_print(cli, "Last counter reset %s", t); + } + return CLI_OK; } -int cmd_show_version(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) { int tag = 0; int file = 0; @@ -708,7 +772,7 @@ int cmd_show_version(struct cli_def *cli, char *command, char **argv, int argc) p = "HEAD"; e = strpbrk(p, " \t$"); - cli_print(cli, "Tag: %.*s", e ? e - p + 1 : strlen(p), p); + cli_print(cli, "Tag: %.*s", (int) (e ? e - p + 1 : strlen(p)), p); } if (file) @@ -746,14 +810,16 @@ int cmd_show_version(struct cli_def *cli, char *command, char **argv, int argc) return CLI_OK; } -int cmd_show_pool(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; 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)); + cli_print(cli, "Can't do this on a slave. Do it on %s", + fmtaddr(config->cluster_master_address, 0)); + return CLI_OK; } @@ -778,7 +844,9 @@ int cmd_show_pool(struct cli_def *cli, char *command, char **argv, int argc) if (ip_address_pool[i].assigned) { cli_print(cli, "%-15s\tY %8d %s", - inet_toa(htonl(ip_address_pool[i].address)), ip_address_pool[i].session, session[ip_address_pool[i].session].user); + fmtaddr(htonl(ip_address_pool[i].address), 0), + ip_address_pool[i].session, + session[ip_address_pool[i].session].user); used++; } @@ -786,10 +854,11 @@ int cmd_show_pool(struct cli_def *cli, char *command, char **argv, int argc) { if (ip_address_pool[i].last) cli_print(cli, "%-15s\tN %8s [%s] %ds", - inet_toa(htonl(ip_address_pool[i].address)), "", - ip_address_pool[i].user, time_now - ip_address_pool[i].last); + 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", inet_toa(htonl(ip_address_pool[i].address))); + cli_print(cli, "%-15s\tN", fmtaddr(htonl(ip_address_pool[i].address), 0)); free++; } @@ -802,13 +871,14 @@ int cmd_show_pool(struct cli_def *cli, char *command, char **argv, int argc) return CLI_OK; } -void print_save_config(struct cli_def *cli, char *string) +static FILE *save_config_fh = 0; +static void print_save_config(struct cli_def *cli, char *string) { if (save_config_fh) fprintf(save_config_fh, "%s\n", string); } -int cmd_write_memory(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) { if (CLI_HELP_REQUESTED) return CLI_HELP_NO_ARGS; @@ -820,6 +890,7 @@ int cmd_write_memory(struct cli_def *cli, char *command, char **argv, int argc) cmd_show_run(cli, command, argv, argc); cli_print_callback(cli, NULL); fclose(save_config_fh); + save_config_fh = 0; } else { @@ -828,7 +899,9 @@ int cmd_write_memory(struct cli_def *cli, char *command, char **argv, int argc) return CLI_OK; } -int cmd_show_run(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; @@ -843,7 +916,7 @@ int cmd_show_run(struct cli_def *cli, char *command, char **argv, int argc) 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)); + cli_print(cli, "set %s %s", config_values[i].key, fmtaddr(*(unsigned *)value, 0)); 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) @@ -871,11 +944,61 @@ int cmd_show_run(struct cli_def *cli, char *command, char **argv, int argc) } } +#ifdef BGP + if (config->as_number) + { + int k; + int h; + + 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; + + cli_print(cli, " neighbour %s remote-as %u", config->neighbour[i].name, config->neighbour[i].as); + + k = config->neighbour[i].keepalive; + h = config->neighbour[i].hold; + + if (k == -1) + { + if (h == -1) + continue; + + k = BGP_KEEPALIVE_TIME; + } + + if (h == -1) + h = BGP_HOLD_TIME; + + cli_print(cli, " neighbour %s timers %d %d", config->neighbour[i].name, k, h); + } + } +#endif + + cli_print(cli, "# Filters"); + for (i = 0; i < MAXFILTER; i++) + { + 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++)); + } + cli_print(cli, "# end"); return CLI_OK; } -int cmd_show_radius(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, free = 0, used = 0, show_all = 0; char *states[] = { @@ -898,7 +1021,7 @@ int cmd_show_radius(struct cli_def *cli, char *command, char **argv, int argc) NULL); } - cli_print(cli, "%6s%6s%5s%6s%9s%9s%4s", "ID", "Radius", "Sock", "State", "Session", "Retry", "Try"); + cli_print(cli, "%6s%7s%5s%6s%9s%9s%4s", "ID", "Radius", "Sock", "State", "Session", "Retry", "Try"); time(&time_now); @@ -914,7 +1037,7 @@ int cmd_show_radius(struct cli_def *cli, char *command, char **argv, int argc) if (!show_all && radius[i].state == RADIUSNULL) continue; - cli_print(cli, "%6d%6d%5d%6s%9d%9u%4d", + cli_print(cli, "%6d%7d%5d%6s%9d%9u%4d", i, i >> RADIUS_SHIFT, i & RADIUS_MASK, @@ -929,7 +1052,7 @@ int cmd_show_radius(struct cli_def *cli, char *command, char **argv, int argc) return CLI_OK; } -int cmd_show_plugins(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; @@ -944,7 +1067,7 @@ int cmd_show_plugins(struct cli_def *cli, char *command, char **argv, int argc) return CLI_OK; } -int cmd_show_throttle(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; @@ -976,7 +1099,7 @@ int cmd_show_throttle(struct cli_def *cli, char *command, char **argv, int argc) return CLI_OK; } -int cmd_show_banana(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) { if (CLI_HELP_REQUESTED) return CLI_HELP_NO_ARGS; @@ -999,17 +1122,19 @@ int cmd_show_banana(struct cli_def *cli, char *command, char **argv, int argc) return CLI_OK; } -int cmd_clear_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) { if (CLI_HELP_REQUESTED) return CLI_HELP_NO_ARGS; - cli_print(cli, "Counters cleared"); + memset(_statistics, 0, sizeof(struct Tstats)); SET_STAT(last_reset, time(NULL)); + + cli_print(cli, "Counters cleared"); return CLI_OK; } -int cmd_drop_user(struct cli_def *cli, char *command, char **argv, int argc) +static int cmd_drop_user(struct cli_def *cli, char *command, char **argv, int argc) { int i; sessionidt s; @@ -1020,7 +1145,9 @@ int cmd_drop_user(struct cli_def *cli, char *command, char **argv, int argc) 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)); + cli_print(cli, "Can't do this on a slave. Do it on %s", + fmtaddr(config->cluster_master_address, 0)); + return CLI_OK; } @@ -1048,7 +1175,7 @@ int cmd_drop_user(struct cli_def *cli, char *command, char **argv, int argc) return CLI_OK; } -int cmd_drop_tunnel(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) { int i; tunnelidt t; @@ -1059,7 +1186,9 @@ int cmd_drop_tunnel(struct cli_def *cli, char *command, char **argv, int argc) 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)); + cli_print(cli, "Can't do this on a slave. Do it on %s", + fmtaddr(config->cluster_master_address, 0)); + return CLI_OK; } @@ -1096,7 +1225,7 @@ int cmd_drop_tunnel(struct cli_def *cli, char *command, char **argv, int argc) return CLI_OK; } -int cmd_drop_session(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) { int i; sessionidt s; @@ -1107,7 +1236,9 @@ int cmd_drop_session(struct cli_def *cli, char *command, char **argv, int argc) 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)); + cli_print(cli, "Can't do this on a slave. Do it on %s", + fmtaddr(config->cluster_master_address, 0)); + return CLI_OK; } @@ -1139,10 +1270,10 @@ int cmd_drop_session(struct cli_def *cli, char *command, char **argv, int argc) return CLI_OK; } -int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc) +static int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc) { - ipt ip; - u16 port; + in_addr_t ip; + uint16_t port; sessionidt s; if (CLI_HELP_REQUESTED) @@ -1172,7 +1303,9 @@ int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc) 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)); + cli_print(cli, "Can't do this on a slave. Do it on %s", + fmtaddr(config->cluster_master_address, 0)); + return CLI_OK; } @@ -1202,7 +1335,7 @@ int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc) return CLI_OK; } - cli_print(cli, "Snooping user %s to %s:%d", argv[0], inet_toa(ip), port); + 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; @@ -1210,7 +1343,7 @@ int cmd_snoop(struct cli_def *cli, char *command, char **argv, int argc) return CLI_OK; } -int cmd_no_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) { int i; sessionidt s; @@ -1221,7 +1354,9 @@ int cmd_no_snoop(struct cli_def *cli, char *command, char **argv, int argc) 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)); + cli_print(cli, "Can't do this on a slave. Do it on %s", + fmtaddr(config->cluster_master_address, 0)); + return CLI_OK; } @@ -1246,7 +1381,7 @@ int cmd_no_snoop(struct cli_def *cli, char *command, char **argv, int argc) return CLI_OK; } -int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc) +static int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc) { int rate_in = 0; int rate_out = 0; @@ -1293,7 +1428,9 @@ int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc) 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)); + cli_print(cli, "Can't do this on a slave. Do it on %s", + fmtaddr(config->cluster_master_address, 0)); + return CLI_OK; } @@ -1327,11 +1464,10 @@ int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc) int i; for (i = 1; i < argc - 1; i += 2) { - int len = strlen(argv[i]); int r = 0; - if (!strncasecmp(argv[i], "in", len)) + if (MATCH("in", argv[i])) r = rate_in = atoi(argv[i+1]); - else if (!strncasecmp(argv[i], "out", len)) + else if (MATCH("out", argv[i])) r = rate_out = atoi(argv[i+1]); if (r < 1) @@ -1373,7 +1509,7 @@ int cmd_throttle(struct cli_def *cli, char *command, char **argv, int argc) return CLI_OK; } -int cmd_no_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) { int i; sessionidt s; @@ -1384,7 +1520,9 @@ int cmd_no_throttle(struct cli_def *cli, char *command, char **argv, int argc) 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)); + cli_print(cli, "Can't do this on a slave. Do it on %s", + fmtaddr(config->cluster_master_address, 0)); + return CLI_OK; } @@ -1416,7 +1554,7 @@ int cmd_no_throttle(struct cli_def *cli, char *command, char **argv, int argc) return CLI_OK; } -int cmd_debug(struct cli_def *cli, char *command, char **argv, int argc) +static int cmd_debug(struct cli_def *cli, char *command, char **argv, int argc) { int i; @@ -1461,13 +1599,13 @@ int cmd_debug(struct cli_def *cli, char *command, char **argv, int argc) if (argv[i][0] == 'c' && len < 2) len = 2; /* distinguish [cr]itical from [ca]lls */ - if (!strncasecmp(argv[i], "critical", len)) { debug_flags.critical = 1; continue; } - if (!strncasecmp(argv[i], "error", len)) { debug_flags.error = 1; continue; } - if (!strncasecmp(argv[i], "warning", len)) { debug_flags.warning = 1; continue; } - if (!strncasecmp(argv[i], "info", len)) { debug_flags.info = 1; continue; } - if (!strncasecmp(argv[i], "calls", len)) { debug_flags.calls = 1; continue; } - if (!strncasecmp(argv[i], "data", len)) { debug_flags.data = 1; continue; } - if (!strncasecmp(argv[i], "all", len)) + 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; @@ -1480,7 +1618,7 @@ int cmd_debug(struct cli_def *cli, char *command, char **argv, int argc) return CLI_OK; } -int cmd_no_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) { int i; @@ -1508,13 +1646,13 @@ int cmd_no_debug(struct cli_def *cli, char *command, char **argv, int argc) if (argv[i][0] == 'c' && len < 2) len = 2; /* distinguish [cr]itical from [ca]lls */ - if (!strncasecmp(argv[i], "critical", len)) { debug_flags.critical = 0; continue; } - if (!strncasecmp(argv[i], "error", len)) { debug_flags.error = 0; continue; } - if (!strncasecmp(argv[i], "warning", len)) { debug_flags.warning = 0; continue; } - if (!strncasecmp(argv[i], "info", len)) { debug_flags.info = 0; continue; } - if (!strncasecmp(argv[i], "calls", len)) { debug_flags.calls = 0; continue; } - if (!strncasecmp(argv[i], "data", len)) { debug_flags.data = 0; continue; } - if (!strncasecmp(argv[i], "all", len)) + 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; @@ -1526,7 +1664,7 @@ int cmd_no_debug(struct cli_def *cli, char *command, char **argv, int argc) return CLI_OK; } -int cmd_load_plugin(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) { int i, firstfree = 0; @@ -1561,7 +1699,7 @@ int cmd_load_plugin(struct cli_def *cli, char *command, char **argv, int argc) return CLI_OK; } -int cmd_remove_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) { int i; @@ -1589,7 +1727,7 @@ int cmd_remove_plugin(struct cli_def *cli, char *command, char **argv, int argc) return CLI_OK; } -char *duration(time_t secs) +static char *duration(time_t secs) { static char *buf = NULL; int p = 0; @@ -1622,7 +1760,7 @@ char *duration(time_t secs) return buf; } -int cmd_uptime(struct cli_def *cli, char *command, char **argv, int argc) +static int cmd_uptime(struct cli_def *cli, char *command, char **argv, int argc) { FILE *fh; char buf[100], *p = buf, *loads[3]; @@ -1658,7 +1796,7 @@ int cmd_uptime(struct cli_def *cli, char *command, char **argv, int argc) return CLI_OK; } -int cmd_set(struct cli_def *cli, char *command, char **argv, int argc) +static int cmd_set(struct cli_def *cli, char *command, char **argv, int argc) { int i; @@ -1670,7 +1808,7 @@ int cmd_set(struct cli_def *cli, char *command, char **argv, int argc) { int len = strlen(argv[0])-1; for (i = 0; config_values[i].key; i++) - if (!len || !strncmp(argv[0], config_values[i].key, len)) + if (!len || !strncmp(config_values[i].key, argv[0], len)) cli_print(cli, " %s", config_values[i].key); } @@ -1743,55 +1881,1182 @@ int cmd_set(struct cli_def *cli, char *command, char **argv, int argc) int regular_stuff(struct cli_def *cli) { - int i = debug_rb_tail; - int reprompt = 0; + int out = 0; + int i; #ifdef RINGBUFFER - while (i != ringbuffer->tail) + for (i = debug_rb_tail; i != ringbuffer->tail; i = (i + 1) % RINGBUFFER_SIZE) { - int show_message = 0; + char *m = ringbuffer->buffer[i].message; + char *p; + int show = 0; - if (*ringbuffer->buffer[i].message) - { - // Always show messages if we are doing general debug - if (ringbuffer->buffer[i].level == 0 && debug_flags.critical) show_message = 1; - if (ringbuffer->buffer[i].level == 1 && debug_flags.error) show_message = 1; - if (ringbuffer->buffer[i].level == 2 && debug_flags.warning) show_message = 1; - if (ringbuffer->buffer[i].level == 3 && debug_flags.info) show_message = 1; - if (ringbuffer->buffer[i].level == 4 && debug_flags.calls) show_message = 1; - if (ringbuffer->buffer[i].level == 5 && debug_flags.data) show_message = 1; - } + if (!*m) continue; - if (show_message) + switch (ringbuffer->buffer[i].level) { - ipt address = htonl(ringbuffer->buffer[i].address); - char *ipaddr; - struct in_addr addr; + 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; + } - memcpy(&addr, &address, sizeof(ringbuffer->buffer[i].address)); - ipaddr = inet_ntoa(addr); + if (!show) continue; - 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); + if (!(p = strchr(m, '\n'))) + p = m + strlen(p); - reprompt = 1; - } + cli_print(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); - if (++i == ringbuffer->tail) break; - if (i == RINGBUFFER_SIZE) i = 0; + out++; } debug_rb_tail = ringbuffer->tail; - if (reprompt) + 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_print(cli, "Invalid autonomous system number"); + return CLI_OK; + } + + if (bgp_configured && as != config->as_number) + { + cli_print(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_print(cli, "Invalid arguments"); + return CLI_OK; + } + + if ((i = find_bgp_neighbour(argv[0])) == -2) + { + cli_print(cli, "Invalid neighbour"); + return CLI_OK; + } + + if (i == -1) + { + cli_print(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_print(cli, "Invalid autonomous system number"); + return CLI_OK; + } + + if (!config->neighbour[i].name[0]) + { + snprintf(config->neighbour[i].name, sizeof(config->neighbour[i].name), 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_print(cli, "Invalid arguments"); + return CLI_OK; + } + + if (!config->neighbour[i].name[0]) + { + cli_print(cli, "Specify remote-as first"); + return CLI_OK; + } + + keepalive = atoi(argv[2]); + hold = atoi(argv[3]); + + if (keepalive < 1 || keepalive > 65535) + { + cli_print(cli, "Invalid keepalive time"); + return CLI_OK; + } + + if (hold < 3 || hold > 65535) + { + cli_print(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_print(cli, "Specify a BGP neighbour"); + return CLI_OK; + } + + if ((i = find_bgp_neighbour(argv[0])) == -2) + { + cli_print(cli, "Invalid neighbour"); + return CLI_OK; + } + + if (i < 0 || !config->neighbour[i].name[0]) + { + cli_print(cli, "Neighbour %s not configured", argv[0]); + return CLI_OK; + } + + memset(&config->neighbour[i], 0, sizeof(config->neighbour[i])); + return CLI_OK; +} + +static int cmd_show_bgp(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + int hdr = 0; + char *addr; + + if (!bgp_configured) + return CLI_OK; + + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, 1, + "A.B.C.D", "BGP neighbour address", + "NAME", "BGP neighbour name", + NULL); + + cli_print(cli, "BGPv%d router identifier %s, local AS number %d", + BGP_VERSION, fmtaddr(my_address, 0), (int) config->as_number); + + time(&time_now); + + for (i = 0; i < BGP_NUM_PEERS; i++) + { + if (!*bgp_peers[i].name) + continue; + + addr = fmtaddr(bgp_peers[i].addr, 0); + if (argc && strcmp(addr, argv[0]) && + strncmp(bgp_peers[i].name, argv[0], strlen(argv[0]))) + continue; + + if (!hdr++) + { + cli_print(cli, ""); + cli_print(cli, "Peer AS Address " + "State Retries Retry in Route Pend Timers"); + cli_print(cli, "------------------ ----- --------------- " + "----------- ------- -------- ----- ---- ---------"); + } + + cli_print(cli, "%-18.18s %5d %15s %-11s %7d %7lds %5s %4s %4d %4d", + bgp_peers[i].name, + bgp_peers[i].as, + addr, + bgp_state_str(bgp_peers[i].state), + bgp_peers[i].retry_count, + bgp_peers[i].retry_time ? bgp_peers[i].retry_time - time_now : 0, + bgp_peers[i].routing ? "yes" : "no", + bgp_peers[i].update_routes ? "yes" : "no", + bgp_peers[i].keepalive, + bgp_peers[i].hold); + } + + return CLI_OK; +} + +static int cmd_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + char *addr; + + if (!bgp_configured) + return CLI_OK; + + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, 1, + "A.B.C.D", "BGP neighbour address", + "NAME", "BGP neighbour name", + NULL); + + for (i = 0; i < BGP_NUM_PEERS; i++) + { + if (bgp_peers[i].state != Established) + continue; + + if (!bgp_peers[i].routing) + continue; + + addr = fmtaddr(bgp_peers[i].addr, 0); + if (argc && strcmp(addr, argv[0]) && strcmp(bgp_peers[i].name, argv[0])) + continue; + + bgp_peers[i].cli_flag = BGP_CLI_SUSPEND; + cli_print(cli, "Suspending peer %s", bgp_peers[i].name); + } + + return CLI_OK; +} + +static int cmd_no_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + char *addr; + + if (!bgp_configured) + return CLI_OK; + + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, 1, + "A.B.C.D", "BGP neighbour address", + "NAME", "BGP neighbour name", + NULL); + + for (i = 0; i < BGP_NUM_PEERS; i++) + { + if (bgp_peers[i].state != Established) + continue; + + if (bgp_peers[i].routing) + continue; + + addr = fmtaddr(bgp_peers[i].addr, 0); + if (argc && strcmp(addr, argv[0]) && + strncmp(bgp_peers[i].name, argv[0], strlen(argv[0]))) + continue; + + bgp_peers[i].cli_flag = BGP_CLI_ENABLE; + cli_print(cli, "Un-suspending peer %s", bgp_peers[i].name); + } + + return CLI_OK; +} + +static int cmd_restart_bgp(struct cli_def *cli, char *command, char **argv, int argc) +{ + int i; + char *addr; + + if (!bgp_configured) + return CLI_OK; + + if (CLI_HELP_REQUESTED) + return cli_arg_help(cli, 1, + "A.B.C.D", "BGP neighbour address", + "NAME", "BGP neighbour name", + NULL); + + for (i = 0; i < BGP_NUM_PEERS; i++) + { + if (!*bgp_peers[i].name) + continue; + + addr = fmtaddr(bgp_peers[i].addr, 0); + if (argc && strcmp(addr, argv[0]) && + strncmp(bgp_peers[i].name, argv[0], strlen(argv[0]))) + continue; + + bgp_peers[i].cli_flag = BGP_CLI_RESTART; + cli_print(cli, "Restarting peer %s", bgp_peers[i].name); + } + + return CLI_OK; +} +#endif /* BGP*/ + +static int filt; +static int find_access_list(char const *name) +{ + int i; + + for (i = 0; i < MAXFILTER; i++) + if (!(*ip_filters[i].name && strcmp(ip_filters[i].name, name))) + return i; + + return -1; +} + +static int access_list(struct cli_def *cli, char **argv, int argc, int add) +{ + int extended; + + if (CLI_HELP_REQUESTED) + { + switch (argc) + { + case 1: + return cli_arg_help(cli, 0, + "standard", "Standard syntax", + "extended", "Extended syntax", + NULL); + + case 2: + return cli_arg_help(cli, argv[1][1], + "NAME", "Access-list name", + NULL); + + default: + if (argc == 3 && !argv[2][1]) + return cli_arg_help(cli, 1, NULL); + + return CLI_OK; + } + } + + if (argc != 2) + { + cli_print(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_print(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_print(cli, "Invalid access-list name"); + return CLI_OK; + } + + filt = find_access_list(argv[1]); + if (add) + { + if (filt < 0) + { + cli_print(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_print(cli, "Access-list is %s", + ip_filters[filt].extended ? "extended" : "standard"); + + return CLI_OK; + } + + cli_set_configmode(cli, MODE_CONFIG_NACL, extended ? "ext-nacl" : "std-nacl"); + return CLI_OK; + } + + if (filt < 0 || !*ip_filters[filt].name) + { + cli_print(cli, "Access-list not defined"); + return CLI_OK; + } + + // racy + if (ip_filters[filt].used) + { + cli_print(cli, "Access-list in use"); + return CLI_OK; + } + + memset(&ip_filters[filt], 0, sizeof(ip_filters[filt])); + return CLI_OK; +} + +static int cmd_ip_access_list(struct cli_def *cli, char *command, char **argv, int argc) +{ + return access_list(cli, argv, argc, 1); +} + +static int cmd_no_ip_access_list(struct cli_def *cli, char *command, char **argv, int argc) +{ + return access_list(cli, argv, argc, 0); +} + +static int show_ip_wild(char *buf, in_addr_t ip, in_addr_t wild) +{ + if (ip == INADDR_ANY && wild == INADDR_BROADCAST) + return sprintf(buf, " any"); + + if (wild == INADDR_ANY) + return sprintf(buf, " host %s", fmtaddr(ip, 0)); + + return sprintf(buf, " %s %s", fmtaddr(ip, 0), fmtaddr(wild, 1)); +} + +static int show_ports(char *buf, ip_filter_portt *ports) +{ + switch (ports->op) + { + case FILTER_PORT_OP_EQ: return sprintf(buf, " eq %u", ports->port); + case FILTER_PORT_OP_NEQ: return sprintf(buf, " neq %u", ports->port); + case FILTER_PORT_OP_GT: return sprintf(buf, " gt %u", ports->port); + case FILTER_PORT_OP_LT: return sprintf(buf, " lt %u", ports->port); + case FILTER_PORT_OP_RANGE: return sprintf(buf, " range %u %u", ports->port, ports->port2); + } + + return 0; +} + +static char const *show_access_list_rule(int extended, ip_filter_rulet *rule) +{ + static char buf[256]; + char *p = buf; + + p += sprintf(p, " %s", rule->action == FILTER_ACTION_PERMIT ? "permit" : "deny"); + if (extended) + { + struct protoent *proto = getprotobynumber(rule->proto); + p += sprintf(p, " %s", proto ? proto->p_name : "ERR"); + } + + p += show_ip_wild(p, rule->src_ip, rule->src_wild); + if (!extended) + return buf; + + if (rule->proto == IPPROTO_TCP || rule->proto == IPPROTO_UDP) + p += show_ports(p, &rule->src_ports); + + p += show_ip_wild(p, rule->dst_ip, rule->dst_wild); + if (rule->proto == IPPROTO_TCP || rule->proto == IPPROTO_UDP) + p += show_ports(p, &rule->dst_ports); + + if (rule->proto == IPPROTO_TCP && rule->tcp_flag_op) + { + switch (rule->tcp_flag_op) + { + case FILTER_FLAG_OP_EST: + p += sprintf(p, " established"); + break; + + case FILTER_FLAG_OP_ANY: + case FILTER_FLAG_OP_ALL: + p += sprintf(p, " match-%s", rule->tcp_flag_op == FILTER_FLAG_OP_ALL ? "all" : "any"); + if (rule->tcp_sflags & TCP_FLAG_FIN) p += sprintf(p, " +fin"); + if (rule->tcp_cflags & TCP_FLAG_FIN) p += sprintf(p, " -fin"); + if (rule->tcp_sflags & TCP_FLAG_SYN) p += sprintf(p, " +syn"); + if (rule->tcp_cflags & TCP_FLAG_SYN) p += sprintf(p, " -syn"); + if (rule->tcp_sflags & TCP_FLAG_RST) p += sprintf(p, " +rst"); + if (rule->tcp_cflags & TCP_FLAG_RST) p += sprintf(p, " -rst"); + if (rule->tcp_sflags & TCP_FLAG_PSH) p += sprintf(p, " +psh"); + if (rule->tcp_cflags & TCP_FLAG_PSH) p += sprintf(p, " -psh"); + if (rule->tcp_sflags & TCP_FLAG_ACK) p += sprintf(p, " +ack"); + if (rule->tcp_cflags & TCP_FLAG_ACK) p += sprintf(p, " -ack"); + if (rule->tcp_sflags & TCP_FLAG_URG) p += sprintf(p, " +urg"); + if (rule->tcp_cflags & TCP_FLAG_URG) p += sprintf(p, " -urg"); + break; + } + } + + if (rule->frag) + p += sprintf(p, " fragments"); + + return buf; +} + +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_print(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_print(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_print(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_print(cli, "Specify host ip address"); + return NULL; + } + + if (!inet_aton(argv[a], &addr)) + { + cli_print(cli, "Cannot parse IP \"%s\"", argv[a]); + return NULL; + } + + *ip = addr.s_addr; + *wild = INADDR_ANY; + a++; + } + else + { + if (a >= argc - 1) + { + cli_print(cli, "Specify %s ip address and wildcard", i ? "destination" : "source"); + return NULL; + } + + if (!inet_aton(argv[a], &addr)) + { + cli_print(cli, "Cannot parse IP \"%s\"", argv[a]); + return NULL; + } + + *ip = addr.s_addr; + + if (!inet_aton(argv[++a], &addr)) + { + cli_print(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_print(cli, "Specify port"); + return NULL; + } + + if (!(port->port = atoi(argv[a]))) + { + cli_print(cli, "Invalid port \"%s\"", argv[a]); + return NULL; + } + + a++; + if (port->op != FILTER_PORT_OP_RANGE) + continue; + + if (a >= argc) + { + cli_print(cli, "Specify port"); + return NULL; + } + + if (!(port->port2 = atoi(argv[a])) || port->port2 < port->port) + { + cli_print(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_print(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_print(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_print(cli, "Can't specify \"fragments\" on rules with layer 4 matches"); + return NULL; + } + + rule.frag = 1; + a++; + } + + if (a < argc) + { + cli_print(cli, "Invalid flag \"%s\"", argv[a]); + return NULL; + } + + return &rule; +} + +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_print(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_print(cli, "Specify host ip address"); + return NULL; + } + + if (!inet_aton(argv[1], &addr)) + { + cli_print(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_print(cli, "Specify source ip address and wildcard"); + return NULL; + } + + if (!inet_aton(argv[0], &addr)) + { + cli_print(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_print(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_print(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_print(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_print(cli, "Specify a user and filters"); + return CLI_OK; + } + + if (!(s = sessionbyuser(argv[0]))) + { + cli_print(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_print(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_print(cli, "Output already filtered"); + return CLI_OK; + } + f = &cli_session_actions[s].filter_out; + } + else + { + cli_print(cli, "Invalid filter specification"); + return CLI_OK; + } + + v = find_access_list(argv[i+1]); + if (v < 0 || !*ip_filters[v].name) + { + cli_print(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_print(cli, "Can't do this on a slave. Do it on %s", + fmtaddr(config->cluster_master_address, 0)); + + return CLI_OK; + } + + if (!argc) + { + cli_print(cli, "Specify a user to remove filters from"); + return CLI_OK; + } + + for (i = 0; i < argc; i++) + { + if (!(s = sessionbyuser(argv[i]))) + { + cli_print(cli, "User %s is not connected", argv[i]); + continue; + } + + if (session[s].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_print(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_print(cli, "Specify a filter name"); + return CLI_OK; + } + + for (i = 0; i < argc; i++) + { + int f = find_access_list(argv[i]); + ip_filter_rulet *rules; + + if (f < 0 || !*ip_filters[f].name) + { + cli_print(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]) {