2 * hostapd - command line interface for hostapd daemon
3 * Copyright (c) 2004-2016, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
12 #include "common/wpa_ctrl.h"
13 #include "common/ieee802_11_defs.h"
14 #include "utils/common.h"
15 #include "utils/eloop.h"
16 #include "utils/edit.h"
17 #include "common/version.h"
18 #include "common/cli.h"
20 #ifndef CONFIG_NO_CTRL_IFACE
22 static const char *const hostapd_cli_version =
23 "hostapd_cli v" VERSION_STR "\n"
24 "Copyright (c) 2004-2016, Jouni Malinen <j@w1.fi> and contributors";
26 static struct wpa_ctrl *ctrl_conn;
27 static int hostapd_cli_quit = 0;
28 static int hostapd_cli_attached = 0;
30 #ifndef CONFIG_CTRL_IFACE_DIR
31 #define CONFIG_CTRL_IFACE_DIR "/var/run/hostapd"
32 #endif /* CONFIG_CTRL_IFACE_DIR */
33 static const char *ctrl_iface_dir = CONFIG_CTRL_IFACE_DIR;
34 static const char *client_socket_dir = NULL;
36 static char *ctrl_ifname = NULL;
37 static const char *pid_file = NULL;
38 static const char *action_file = NULL;
39 static int ping_interval = 5;
40 static int interactive = 0;
41 static int event_handler_registered = 0;
43 static DEFINE_DL_LIST(stations); /* struct cli_txt_entry */
45 static void print_help(FILE *stream, const char *cmd);
46 static char ** list_cmd_list(void);
47 static void hostapd_cli_receive(int sock, void *eloop_ctx, void *sock_ctx);
50 static void usage(void)
52 fprintf(stderr, "%s\n", hostapd_cli_version);
55 "usage: hostapd_cli [-p<path>] [-i<ifname>] [-hvB] "
57 " [-P<pid file>] [-G<ping interval>] [command..]\n"
60 " -h help (show this usage text)\n"
61 " -v shown version information\n"
62 " -p<path> path to find control sockets (default: "
64 " -s<dir_path> dir path to open client sockets (default: "
65 CONFIG_CTRL_IFACE_DIR ")\n"
66 " -a<file> run in daemon mode executing the action file "
69 " -B run a daemon in the background\n"
70 " -i<ifname> Interface to listen on (default: first "
71 "interface found in the\n"
73 print_help(stderr, NULL);
77 static void register_event_handler(struct wpa_ctrl *ctrl)
82 event_handler_registered =
83 !eloop_register_read_sock(wpa_ctrl_get_fd(ctrl),
90 static void unregister_event_handler(struct wpa_ctrl *ctrl)
94 if (interactive && event_handler_registered) {
95 eloop_unregister_read_sock(wpa_ctrl_get_fd(ctrl));
96 event_handler_registered = 0;
101 static struct wpa_ctrl * hostapd_cli_open_connection(const char *ifname)
103 #ifndef CONFIG_CTRL_IFACE_UDP
106 #endif /* !CONFIG_CTRL_IFACE_UDP */
111 #ifdef CONFIG_CTRL_IFACE_UDP
112 ctrl_conn = wpa_ctrl_open(ifname);
114 #else /* CONFIG_CTRL_IFACE_UDP */
115 flen = strlen(ctrl_iface_dir) + strlen(ifname) + 2;
116 cfile = malloc(flen);
119 snprintf(cfile, flen, "%s/%s", ctrl_iface_dir, ifname);
121 if (client_socket_dir && client_socket_dir[0] &&
122 access(client_socket_dir, F_OK) < 0) {
123 perror(client_socket_dir);
128 ctrl_conn = wpa_ctrl_open2(cfile, client_socket_dir);
131 #endif /* CONFIG_CTRL_IFACE_UDP */
135 static void hostapd_cli_close_connection(void)
137 if (ctrl_conn == NULL)
140 unregister_event_handler(ctrl_conn);
141 if (hostapd_cli_attached) {
142 wpa_ctrl_detach(ctrl_conn);
143 hostapd_cli_attached = 0;
145 wpa_ctrl_close(ctrl_conn);
150 static void hostapd_cli_msg_cb(char *msg, size_t len)
156 static int _wpa_ctrl_command(struct wpa_ctrl *ctrl, char *cmd, int print)
162 if (ctrl_conn == NULL) {
163 printf("Not connected to hostapd - command dropped.\n");
166 len = sizeof(buf) - 1;
167 ret = wpa_ctrl_request(ctrl, cmd, strlen(cmd), buf, &len,
170 printf("'%s' command timed out.\n", cmd);
172 } else if (ret < 0) {
173 printf("'%s' command failed.\n", cmd);
184 static inline int wpa_ctrl_command(struct wpa_ctrl *ctrl, char *cmd)
186 return _wpa_ctrl_command(ctrl, cmd, 1);
190 static int write_cmd(char *buf, size_t buflen, const char *cmd, int argc,
199 res = os_snprintf(pos, end - pos, "%s", cmd);
200 if (os_snprintf_error(end - pos, res))
204 for (i = 0; i < argc; i++) {
205 res = os_snprintf(pos, end - pos, " %s", argv[i]);
206 if (os_snprintf_error(end - pos, res))
211 buf[buflen - 1] = '\0';
215 printf("Too long command\n");
220 static int hostapd_cli_cmd(struct wpa_ctrl *ctrl, const char *cmd,
221 int min_args, int argc, char *argv[])
225 if (argc < min_args) {
226 printf("Invalid %s command - at least %d argument%s required.\n",
227 cmd, min_args, min_args > 1 ? "s are" : " is");
230 if (write_cmd(buf, sizeof(buf), cmd, argc, argv) < 0)
232 return wpa_ctrl_command(ctrl, buf);
236 static int hostapd_cli_cmd_ping(struct wpa_ctrl *ctrl, int argc, char *argv[])
238 return wpa_ctrl_command(ctrl, "PING");
242 static int hostapd_cli_cmd_relog(struct wpa_ctrl *ctrl, int argc, char *argv[])
244 return wpa_ctrl_command(ctrl, "RELOG");
248 static int hostapd_cli_cmd_status(struct wpa_ctrl *ctrl, int argc, char *argv[])
250 if (argc > 0 && os_strcmp(argv[0], "driver") == 0)
251 return wpa_ctrl_command(ctrl, "STATUS-DRIVER");
252 return wpa_ctrl_command(ctrl, "STATUS");
256 static int hostapd_cli_cmd_mib(struct wpa_ctrl *ctrl, int argc, char *argv[])
260 os_snprintf(buf, sizeof(buf), "MIB %s", argv[0]);
261 return wpa_ctrl_command(ctrl, buf);
263 return wpa_ctrl_command(ctrl, "MIB");
267 static int hostapd_cli_exec(const char *program, const char *arg1,
274 len = os_strlen(arg1) + os_strlen(arg2) + 2;
275 arg = os_malloc(len);
278 os_snprintf(arg, len, "%s %s", arg1, arg2);
279 res = os_exec(program, arg, 1);
286 static void hostapd_cli_action_process(char *msg, size_t len)
292 pos = os_strchr(pos, '>');
299 hostapd_cli_exec(action_file, ctrl_ifname, pos);
303 static int hostapd_cli_cmd_sta(struct wpa_ctrl *ctrl, int argc, char *argv[])
307 printf("Invalid 'sta' command - at least one argument, STA "
308 "address, is required.\n");
312 snprintf(buf, sizeof(buf), "STA %s %s", argv[0], argv[1]);
314 snprintf(buf, sizeof(buf), "STA %s", argv[0]);
315 return wpa_ctrl_command(ctrl, buf);
319 static int hostapd_cli_cmd_new_sta(struct wpa_ctrl *ctrl, int argc,
324 printf("Invalid 'new_sta' command - exactly one argument, STA "
325 "address, is required.\n");
328 snprintf(buf, sizeof(buf), "NEW_STA %s", argv[0]);
329 return wpa_ctrl_command(ctrl, buf);
333 static int hostapd_cli_cmd_deauthenticate(struct wpa_ctrl *ctrl, int argc,
338 printf("Invalid 'deauthenticate' command - exactly one "
339 "argument, STA address, is required.\n");
343 os_snprintf(buf, sizeof(buf), "DEAUTHENTICATE %s %s",
346 os_snprintf(buf, sizeof(buf), "DEAUTHENTICATE %s", argv[0]);
347 return wpa_ctrl_command(ctrl, buf);
351 static char ** hostapd_complete_deauthenticate(const char *str, int pos)
353 int arg = get_cmd_arg_num(str, pos);
358 res = cli_txt_list_array(&stations);
366 static int hostapd_cli_cmd_disassociate(struct wpa_ctrl *ctrl, int argc,
371 printf("Invalid 'disassociate' command - exactly one "
372 "argument, STA address, is required.\n");
376 os_snprintf(buf, sizeof(buf), "DISASSOCIATE %s %s",
379 os_snprintf(buf, sizeof(buf), "DISASSOCIATE %s", argv[0]);
380 return wpa_ctrl_command(ctrl, buf);
384 static char ** hostapd_complete_disassociate(const char *str, int pos)
386 int arg = get_cmd_arg_num(str, pos);
391 res = cli_txt_list_array(&stations);
399 #ifdef CONFIG_IEEE80211W
400 static int hostapd_cli_cmd_sa_query(struct wpa_ctrl *ctrl, int argc,
405 printf("Invalid 'sa_query' command - exactly one argument, "
406 "STA address, is required.\n");
409 snprintf(buf, sizeof(buf), "SA_QUERY %s", argv[0]);
410 return wpa_ctrl_command(ctrl, buf);
412 #endif /* CONFIG_IEEE80211W */
416 static int hostapd_cli_cmd_wps_pin(struct wpa_ctrl *ctrl, int argc,
421 printf("Invalid 'wps_pin' command - at least two arguments, "
422 "UUID and PIN, are required.\n");
426 snprintf(buf, sizeof(buf), "WPS_PIN %s %s %s %s",
427 argv[0], argv[1], argv[2], argv[3]);
429 snprintf(buf, sizeof(buf), "WPS_PIN %s %s %s",
430 argv[0], argv[1], argv[2]);
432 snprintf(buf, sizeof(buf), "WPS_PIN %s %s", argv[0], argv[1]);
433 return wpa_ctrl_command(ctrl, buf);
437 static int hostapd_cli_cmd_wps_check_pin(struct wpa_ctrl *ctrl, int argc,
443 if (argc != 1 && argc != 2) {
444 printf("Invalid WPS_CHECK_PIN command: needs one argument:\n"
445 "- PIN to be verified\n");
450 res = os_snprintf(cmd, sizeof(cmd), "WPS_CHECK_PIN %s %s",
453 res = os_snprintf(cmd, sizeof(cmd), "WPS_CHECK_PIN %s",
455 if (os_snprintf_error(sizeof(cmd), res)) {
456 printf("Too long WPS_CHECK_PIN command.\n");
459 return wpa_ctrl_command(ctrl, cmd);
463 static int hostapd_cli_cmd_wps_pbc(struct wpa_ctrl *ctrl, int argc,
466 return wpa_ctrl_command(ctrl, "WPS_PBC");
470 static int hostapd_cli_cmd_wps_cancel(struct wpa_ctrl *ctrl, int argc,
473 return wpa_ctrl_command(ctrl, "WPS_CANCEL");
477 #ifdef CONFIG_WPS_NFC
478 static int hostapd_cli_cmd_wps_nfc_tag_read(struct wpa_ctrl *ctrl, int argc,
486 printf("Invalid 'wps_nfc_tag_read' command - one argument "
491 buflen = 18 + os_strlen(argv[0]);
492 buf = os_malloc(buflen);
495 os_snprintf(buf, buflen, "WPS_NFC_TAG_READ %s", argv[0]);
497 ret = wpa_ctrl_command(ctrl, buf);
504 static int hostapd_cli_cmd_wps_nfc_config_token(struct wpa_ctrl *ctrl,
505 int argc, char *argv[])
511 printf("Invalid 'wps_nfc_config_token' command - one argument "
516 res = os_snprintf(cmd, sizeof(cmd), "WPS_NFC_CONFIG_TOKEN %s",
518 if (os_snprintf_error(sizeof(cmd), res)) {
519 printf("Too long WPS_NFC_CONFIG_TOKEN command.\n");
522 return wpa_ctrl_command(ctrl, cmd);
526 static int hostapd_cli_cmd_wps_nfc_token(struct wpa_ctrl *ctrl,
527 int argc, char *argv[])
533 printf("Invalid 'wps_nfc_token' command - one argument is "
538 res = os_snprintf(cmd, sizeof(cmd), "WPS_NFC_TOKEN %s", argv[0]);
539 if (os_snprintf_error(sizeof(cmd), res)) {
540 printf("Too long WPS_NFC_TOKEN command.\n");
543 return wpa_ctrl_command(ctrl, cmd);
547 static int hostapd_cli_cmd_nfc_get_handover_sel(struct wpa_ctrl *ctrl,
548 int argc, char *argv[])
554 printf("Invalid 'nfc_get_handover_sel' command - two arguments "
559 res = os_snprintf(cmd, sizeof(cmd), "NFC_GET_HANDOVER_SEL %s %s",
561 if (os_snprintf_error(sizeof(cmd), res)) {
562 printf("Too long NFC_GET_HANDOVER_SEL command.\n");
565 return wpa_ctrl_command(ctrl, cmd);
568 #endif /* CONFIG_WPS_NFC */
571 static int hostapd_cli_cmd_wps_ap_pin(struct wpa_ctrl *ctrl, int argc,
576 printf("Invalid 'wps_ap_pin' command - at least one argument "
581 snprintf(buf, sizeof(buf), "WPS_AP_PIN %s %s %s",
582 argv[0], argv[1], argv[2]);
584 snprintf(buf, sizeof(buf), "WPS_AP_PIN %s %s",
587 snprintf(buf, sizeof(buf), "WPS_AP_PIN %s", argv[0]);
588 return wpa_ctrl_command(ctrl, buf);
592 static int hostapd_cli_cmd_wps_get_status(struct wpa_ctrl *ctrl, int argc,
595 return wpa_ctrl_command(ctrl, "WPS_GET_STATUS");
599 static int hostapd_cli_cmd_wps_config(struct wpa_ctrl *ctrl, int argc,
603 char ssid_hex[2 * SSID_MAX_LEN + 1];
604 char key_hex[2 * 64 + 1];
608 printf("Invalid 'wps_config' command - at least two arguments "
614 for (i = 0; i < SSID_MAX_LEN; i++) {
615 if (argv[0][i] == '\0')
617 os_snprintf(&ssid_hex[i * 2], 3, "%02x", argv[0][i]);
622 for (i = 0; i < 64; i++) {
623 if (argv[3][i] == '\0')
625 os_snprintf(&key_hex[i * 2], 3, "%02x",
631 snprintf(buf, sizeof(buf), "WPS_CONFIG %s %s %s %s",
632 ssid_hex, argv[1], argv[2], key_hex);
634 snprintf(buf, sizeof(buf), "WPS_CONFIG %s %s %s",
635 ssid_hex, argv[1], argv[2]);
637 snprintf(buf, sizeof(buf), "WPS_CONFIG %s %s",
639 return wpa_ctrl_command(ctrl, buf);
641 #endif /* CONFIG_WPS */
644 static int hostapd_cli_cmd_disassoc_imminent(struct wpa_ctrl *ctrl, int argc,
651 printf("Invalid 'disassoc_imminent' command - two arguments "
652 "(STA addr and Disassociation Timer) are needed\n");
656 res = os_snprintf(buf, sizeof(buf), "DISASSOC_IMMINENT %s %s",
658 if (os_snprintf_error(sizeof(buf), res))
660 return wpa_ctrl_command(ctrl, buf);
664 static int hostapd_cli_cmd_ess_disassoc(struct wpa_ctrl *ctrl, int argc,
671 printf("Invalid 'ess_disassoc' command - three arguments (STA "
672 "addr, disassoc timer, and URL) are needed\n");
676 res = os_snprintf(buf, sizeof(buf), "ESS_DISASSOC %s %s %s",
677 argv[0], argv[1], argv[2]);
678 if (os_snprintf_error(sizeof(buf), res))
680 return wpa_ctrl_command(ctrl, buf);
684 static int hostapd_cli_cmd_bss_tm_req(struct wpa_ctrl *ctrl, int argc,
687 char buf[2000], *tmp;
691 printf("Invalid 'bss_tm_req' command - at least one argument (STA addr) is needed\n");
695 res = os_snprintf(buf, sizeof(buf), "BSS_TM_REQ %s", argv[0]);
696 if (os_snprintf_error(sizeof(buf), res))
700 for (i = 1; i < argc; i++) {
702 res = os_snprintf(tmp, sizeof(buf) - total, " %s", argv[i]);
703 if (os_snprintf_error(sizeof(buf) - total, res))
707 return wpa_ctrl_command(ctrl, buf);
711 static int hostapd_cli_cmd_get_config(struct wpa_ctrl *ctrl, int argc,
714 return wpa_ctrl_command(ctrl, "GET_CONFIG");
718 static int wpa_ctrl_command_sta(struct wpa_ctrl *ctrl, char *cmd,
719 char *addr, size_t addr_len)
721 char buf[4096], *pos;
725 if (ctrl_conn == NULL) {
726 printf("Not connected to hostapd - command dropped.\n");
729 len = sizeof(buf) - 1;
730 ret = wpa_ctrl_request(ctrl, cmd, strlen(cmd), buf, &len,
733 printf("'%s' command timed out.\n", cmd);
735 } else if (ret < 0) {
736 printf("'%s' command failed.\n", cmd);
741 if (memcmp(buf, "FAIL", 4) == 0)
746 while (*pos != '\0' && *pos != '\n')
749 os_strlcpy(addr, buf, addr_len);
754 static int hostapd_cli_cmd_all_sta(struct wpa_ctrl *ctrl, int argc,
757 char addr[32], cmd[64];
759 if (wpa_ctrl_command_sta(ctrl, "STA-FIRST", addr, sizeof(addr)))
762 snprintf(cmd, sizeof(cmd), "STA-NEXT %s", addr);
763 } while (wpa_ctrl_command_sta(ctrl, cmd, addr, sizeof(addr)) == 0);
769 static int hostapd_cli_cmd_help(struct wpa_ctrl *ctrl, int argc, char *argv[])
771 print_help(stdout, argc > 0 ? argv[0] : NULL);
776 static char ** hostapd_cli_complete_help(const char *str, int pos)
778 int arg = get_cmd_arg_num(str, pos);
783 res = list_cmd_list();
791 static int hostapd_cli_cmd_license(struct wpa_ctrl *ctrl, int argc,
794 printf("%s\n\n%s\n", hostapd_cli_version, cli_full_license);
799 static int hostapd_cli_cmd_set_qos_map_set(struct wpa_ctrl *ctrl,
800 int argc, char *argv[])
806 printf("Invalid 'set_qos_map_set' command - "
807 "one argument (comma delimited QoS map set) "
812 res = os_snprintf(buf, sizeof(buf), "SET_QOS_MAP_SET %s", argv[0]);
813 if (os_snprintf_error(sizeof(buf), res))
815 return wpa_ctrl_command(ctrl, buf);
819 static int hostapd_cli_cmd_send_qos_map_conf(struct wpa_ctrl *ctrl,
820 int argc, char *argv[])
826 printf("Invalid 'send_qos_map_conf' command - "
827 "one argument (STA addr) is needed\n");
831 res = os_snprintf(buf, sizeof(buf), "SEND_QOS_MAP_CONF %s", argv[0]);
832 if (os_snprintf_error(sizeof(buf), res))
834 return wpa_ctrl_command(ctrl, buf);
838 static int hostapd_cli_cmd_hs20_wnm_notif(struct wpa_ctrl *ctrl, int argc,
845 printf("Invalid 'hs20_wnm_notif' command - two arguments (STA "
846 "addr and URL) are needed\n");
850 res = os_snprintf(buf, sizeof(buf), "HS20_WNM_NOTIF %s %s",
852 if (os_snprintf_error(sizeof(buf), res))
854 return wpa_ctrl_command(ctrl, buf);
858 static int hostapd_cli_cmd_hs20_deauth_req(struct wpa_ctrl *ctrl, int argc,
865 printf("Invalid 'hs20_deauth_req' command - at least three arguments (STA addr, Code, Re-auth Delay) are needed\n");
870 res = os_snprintf(buf, sizeof(buf),
871 "HS20_DEAUTH_REQ %s %s %s %s",
872 argv[0], argv[1], argv[2], argv[3]);
874 res = os_snprintf(buf, sizeof(buf),
875 "HS20_DEAUTH_REQ %s %s %s",
876 argv[0], argv[1], argv[2]);
877 if (os_snprintf_error(sizeof(buf), res))
879 return wpa_ctrl_command(ctrl, buf);
883 static int hostapd_cli_cmd_quit(struct wpa_ctrl *ctrl, int argc, char *argv[])
885 hostapd_cli_quit = 1;
892 static int hostapd_cli_cmd_level(struct wpa_ctrl *ctrl, int argc, char *argv[])
896 printf("Invalid LEVEL command: needs one argument (debug "
900 snprintf(cmd, sizeof(cmd), "LEVEL %s", argv[0]);
901 return wpa_ctrl_command(ctrl, cmd);
905 static void hostapd_cli_get_interfaces(struct wpa_ctrl *ctrl,
906 struct dl_list *interfaces)
911 if (!ctrl || !interfaces)
913 dir = opendir(ctrl_iface_dir);
917 while ((dent = readdir(dir))) {
918 if (strcmp(dent->d_name, ".") == 0 ||
919 strcmp(dent->d_name, "..") == 0)
921 cli_txt_list_add(interfaces, dent->d_name);
927 static void hostapd_cli_list_interfaces(struct wpa_ctrl *ctrl)
932 dir = opendir(ctrl_iface_dir);
934 printf("Control interface directory '%s' could not be "
935 "openned.\n", ctrl_iface_dir);
939 printf("Available interfaces:\n");
940 while ((dent = readdir(dir))) {
941 if (strcmp(dent->d_name, ".") == 0 ||
942 strcmp(dent->d_name, "..") == 0)
944 printf("%s\n", dent->d_name);
950 static int hostapd_cli_cmd_interface(struct wpa_ctrl *ctrl, int argc,
954 hostapd_cli_list_interfaces(ctrl);
958 hostapd_cli_close_connection();
959 os_free(ctrl_ifname);
960 ctrl_ifname = os_strdup(argv[0]);
961 if (ctrl_ifname == NULL)
964 if (hostapd_cli_open_connection(ctrl_ifname)) {
965 printf("Connected to interface '%s.\n", ctrl_ifname);
966 if (wpa_ctrl_attach(ctrl_conn) == 0) {
967 hostapd_cli_attached = 1;
968 register_event_handler(ctrl_conn);
970 printf("Warning: Failed to attach to "
974 printf("Could not connect to interface '%s' - re-trying\n",
981 static char ** hostapd_complete_interface(const char *str, int pos)
983 int arg = get_cmd_arg_num(str, pos);
985 DEFINE_DL_LIST(interfaces);
989 hostapd_cli_get_interfaces(ctrl_conn, &interfaces);
990 res = cli_txt_list_array(&interfaces);
991 cli_txt_list_flush(&interfaces);
999 static int hostapd_cli_cmd_set(struct wpa_ctrl *ctrl, int argc, char *argv[])
1005 printf("Invalid SET command: needs two arguments (variable "
1006 "name and value)\n");
1010 res = os_snprintf(cmd, sizeof(cmd), "SET %s %s", argv[0], argv[1]);
1011 if (os_snprintf_error(sizeof(cmd), res)) {
1012 printf("Too long SET command.\n");
1015 return wpa_ctrl_command(ctrl, cmd);
1019 static int hostapd_cli_cmd_get(struct wpa_ctrl *ctrl, int argc, char *argv[])
1025 printf("Invalid GET command: needs one argument (variable "
1030 res = os_snprintf(cmd, sizeof(cmd), "GET %s", argv[0]);
1031 if (os_snprintf_error(sizeof(cmd), res)) {
1032 printf("Too long GET command.\n");
1035 return wpa_ctrl_command(ctrl, cmd);
1040 static int hostapd_cli_cmd_fst(struct wpa_ctrl *ctrl, int argc, char *argv[])
1048 printf("FST command: parameters are required.\n");
1052 total = os_snprintf(cmd, sizeof(cmd), "FST-MANAGER");
1054 for (i = 0; i < argc; i++) {
1055 res = os_snprintf(cmd + total, sizeof(cmd) - total, " %s",
1057 if (os_snprintf_error(sizeof(cmd) - total, res)) {
1058 printf("Too long fst command.\n");
1063 return wpa_ctrl_command(ctrl, cmd);
1065 #endif /* CONFIG_FST */
1068 static int hostapd_cli_cmd_chan_switch(struct wpa_ctrl *ctrl,
1069 int argc, char *argv[])
1078 printf("Invalid chan_switch command: needs at least two "
1079 "arguments (count and freq)\n"
1080 "usage: <cs_count> <freq> [sec_channel_offset=] "
1081 "[center_freq1=] [center_freq2=] [bandwidth=] "
1082 "[blocktx] [ht|vht]\n");
1086 res = os_snprintf(cmd, sizeof(cmd), "CHAN_SWITCH %s %s",
1088 if (os_snprintf_error(sizeof(cmd), res)) {
1089 printf("Too long CHAN_SWITCH command.\n");
1094 for (i = 2; i < argc; i++) {
1096 res = os_snprintf(tmp, sizeof(cmd) - total, " %s", argv[i]);
1097 if (os_snprintf_error(sizeof(cmd) - total, res)) {
1098 printf("Too long CHAN_SWITCH command.\n");
1103 return wpa_ctrl_command(ctrl, cmd);
1107 static int hostapd_cli_cmd_enable(struct wpa_ctrl *ctrl, int argc,
1110 return wpa_ctrl_command(ctrl, "ENABLE");
1114 static int hostapd_cli_cmd_reload(struct wpa_ctrl *ctrl, int argc,
1117 return wpa_ctrl_command(ctrl, "RELOAD");
1121 static int hostapd_cli_cmd_disable(struct wpa_ctrl *ctrl, int argc,
1124 return wpa_ctrl_command(ctrl, "DISABLE");
1128 static int hostapd_cli_cmd_vendor(struct wpa_ctrl *ctrl, int argc, char *argv[])
1133 if (argc < 2 || argc > 3) {
1134 printf("Invalid vendor command\n"
1135 "usage: <vendor id> <command id> [<hex formatted command argument>]\n");
1139 res = os_snprintf(cmd, sizeof(cmd), "VENDOR %s %s %s", argv[0], argv[1],
1140 argc == 3 ? argv[2] : "");
1141 if (os_snprintf_error(sizeof(cmd), res)) {
1142 printf("Too long VENDOR command.\n");
1145 return wpa_ctrl_command(ctrl, cmd);
1149 static int hostapd_cli_cmd_erp_flush(struct wpa_ctrl *ctrl, int argc,
1152 return wpa_ctrl_command(ctrl, "ERP_FLUSH");
1156 static int hostapd_cli_cmd_log_level(struct wpa_ctrl *ctrl, int argc,
1162 res = os_snprintf(cmd, sizeof(cmd), "LOG_LEVEL%s%s%s%s",
1163 argc >= 1 ? " " : "",
1164 argc >= 1 ? argv[0] : "",
1165 argc == 2 ? " " : "",
1166 argc == 2 ? argv[1] : "");
1167 if (os_snprintf_error(sizeof(cmd), res)) {
1168 printf("Too long option\n");
1171 return wpa_ctrl_command(ctrl, cmd);
1175 static int hostapd_cli_cmd_raw(struct wpa_ctrl *ctrl, int argc, char *argv[])
1179 return hostapd_cli_cmd(ctrl, argv[0], 0, argc - 1, &argv[1]);
1183 static int hostapd_cli_cmd_pmksa(struct wpa_ctrl *ctrl, int argc, char *argv[])
1185 return wpa_ctrl_command(ctrl, "PMKSA");
1189 static int hostapd_cli_cmd_pmksa_flush(struct wpa_ctrl *ctrl, int argc,
1192 return wpa_ctrl_command(ctrl, "PMKSA_FLUSH");
1196 static int hostapd_cli_cmd_set_neighbor(struct wpa_ctrl *ctrl, int argc,
1202 if (argc < 3 || argc > 5) {
1203 printf("Invalid set_neighbor command: needs 3-5 arguments\n");
1207 res = os_snprintf(cmd, sizeof(cmd), "SET_NEIGHBOR %s %s %s %s %s",
1208 argv[0], argv[1], argv[2], argc >= 4 ? argv[3] : "",
1209 argc == 5 ? argv[4] : "");
1210 if (os_snprintf_error(sizeof(cmd), res)) {
1211 printf("Too long SET_NEIGHBOR command.\n");
1214 return wpa_ctrl_command(ctrl, cmd);
1218 static int hostapd_cli_cmd_remove_neighbor(struct wpa_ctrl *ctrl, int argc,
1225 printf("Invalid remove_neighbor command: needs 2 arguments\n");
1229 res = os_snprintf(cmd, sizeof(cmd), "REMOVE_NEIGHBOR %s %s",
1231 if (os_snprintf_error(sizeof(cmd), res)) {
1232 printf("Too long REMOVE_NEIGHBOR command.\n");
1235 return wpa_ctrl_command(ctrl, cmd);
1239 static int hostapd_cli_cmd_req_lci(struct wpa_ctrl *ctrl, int argc,
1246 printf("Invalid req_lci command - requires destination address\n");
1250 res = os_snprintf(cmd, sizeof(cmd), "REQ_LCI %s", argv[0]);
1251 if (os_snprintf_error(sizeof(cmd), res)) {
1252 printf("Too long REQ_LCI command.\n");
1255 return wpa_ctrl_command(ctrl, cmd);
1259 static int hostapd_cli_cmd_req_range(struct wpa_ctrl *ctrl, int argc,
1263 printf("Invalid req_range command: needs at least 4 arguments - dest address, randomization interval, min AP count, and 1 to 16 AP addresses\n");
1267 return hostapd_cli_cmd(ctrl, "REQ_RANGE", 4, argc, argv);
1271 static int hostapd_cli_cmd_driver_flags(struct wpa_ctrl *ctrl, int argc,
1274 return wpa_ctrl_command(ctrl, "DRIVER_FLAGS");
1278 struct hostapd_cli_cmd {
1280 int (*handler)(struct wpa_ctrl *ctrl, int argc, char *argv[]);
1281 char ** (*completion)(const char *str, int pos);
1285 static const struct hostapd_cli_cmd hostapd_cli_commands[] = {
1286 { "ping", hostapd_cli_cmd_ping, NULL,
1287 "= pings hostapd" },
1288 { "mib", hostapd_cli_cmd_mib, NULL,
1289 "= get MIB variables (dot1x, dot11, radius)" },
1290 { "relog", hostapd_cli_cmd_relog, NULL, NULL },
1291 { "status", hostapd_cli_cmd_status, NULL, NULL },
1292 { "sta", hostapd_cli_cmd_sta, NULL,
1293 "<addr> = get MIB variables for one station" },
1294 { "all_sta", hostapd_cli_cmd_all_sta, NULL,
1295 "= get MIB variables for all stations" },
1296 { "new_sta", hostapd_cli_cmd_new_sta, NULL,
1297 "<addr> = add a new station" },
1298 { "deauthenticate", hostapd_cli_cmd_deauthenticate,
1299 hostapd_complete_deauthenticate,
1300 "<addr> = deauthenticate a station" },
1301 { "disassociate", hostapd_cli_cmd_disassociate,
1302 hostapd_complete_disassociate,
1303 "<addr> = disassociate a station" },
1304 #ifdef CONFIG_IEEE80211W
1305 { "sa_query", hostapd_cli_cmd_sa_query, NULL,
1306 "<addr> = send SA Query to a station" },
1307 #endif /* CONFIG_IEEE80211W */
1309 { "wps_pin", hostapd_cli_cmd_wps_pin, NULL,
1310 "<uuid> <pin> [timeout] [addr] = add WPS Enrollee PIN" },
1311 { "wps_check_pin", hostapd_cli_cmd_wps_check_pin, NULL,
1312 "<PIN> = verify PIN checksum" },
1313 { "wps_pbc", hostapd_cli_cmd_wps_pbc, NULL,
1314 "= indicate button pushed to initiate PBC" },
1315 { "wps_cancel", hostapd_cli_cmd_wps_cancel, NULL,
1316 "= cancel the pending WPS operation" },
1317 #ifdef CONFIG_WPS_NFC
1318 { "wps_nfc_tag_read", hostapd_cli_cmd_wps_nfc_tag_read, NULL,
1319 "<hexdump> = report read NFC tag with WPS data" },
1320 { "wps_nfc_config_token", hostapd_cli_cmd_wps_nfc_config_token, NULL,
1321 "<WPS/NDEF> = build NFC configuration token" },
1322 { "wps_nfc_token", hostapd_cli_cmd_wps_nfc_token, NULL,
1323 "<WPS/NDEF/enable/disable> = manager NFC password token" },
1324 { "nfc_get_handover_sel", hostapd_cli_cmd_nfc_get_handover_sel, NULL,
1326 #endif /* CONFIG_WPS_NFC */
1327 { "wps_ap_pin", hostapd_cli_cmd_wps_ap_pin, NULL,
1328 "<cmd> [params..] = enable/disable AP PIN" },
1329 { "wps_config", hostapd_cli_cmd_wps_config, NULL,
1330 "<SSID> <auth> <encr> <key> = configure AP" },
1331 { "wps_get_status", hostapd_cli_cmd_wps_get_status, NULL,
1332 "= show current WPS status" },
1333 #endif /* CONFIG_WPS */
1334 { "disassoc_imminent", hostapd_cli_cmd_disassoc_imminent, NULL, NULL },
1335 { "ess_disassoc", hostapd_cli_cmd_ess_disassoc, NULL, NULL },
1336 { "bss_tm_req", hostapd_cli_cmd_bss_tm_req, NULL, NULL },
1337 { "get_config", hostapd_cli_cmd_get_config, NULL,
1338 "= show current configuration" },
1339 { "help", hostapd_cli_cmd_help, hostapd_cli_complete_help,
1340 "= show this usage help" },
1341 { "interface", hostapd_cli_cmd_interface, hostapd_complete_interface,
1342 "[ifname] = show interfaces/select interface" },
1344 { "fst", hostapd_cli_cmd_fst, NULL, NULL },
1345 #endif /* CONFIG_FST */
1346 { "raw", hostapd_cli_cmd_raw, NULL, NULL },
1347 { "level", hostapd_cli_cmd_level, NULL,
1348 "<debug level> = change debug level" },
1349 { "license", hostapd_cli_cmd_license, NULL,
1350 "= show full hostapd_cli license" },
1351 { "quit", hostapd_cli_cmd_quit, NULL,
1352 "= exit hostapd_cli" },
1353 { "set", hostapd_cli_cmd_set, NULL, NULL },
1354 { "get", hostapd_cli_cmd_get, NULL, NULL },
1355 { "set_qos_map_set", hostapd_cli_cmd_set_qos_map_set, NULL, NULL },
1356 { "send_qos_map_conf", hostapd_cli_cmd_send_qos_map_conf, NULL, NULL },
1357 { "chan_switch", hostapd_cli_cmd_chan_switch, NULL, NULL },
1358 { "hs20_wnm_notif", hostapd_cli_cmd_hs20_wnm_notif, NULL, NULL },
1359 { "hs20_deauth_req", hostapd_cli_cmd_hs20_deauth_req, NULL, NULL },
1360 { "vendor", hostapd_cli_cmd_vendor, NULL, NULL },
1361 { "enable", hostapd_cli_cmd_enable, NULL, NULL },
1362 { "reload", hostapd_cli_cmd_reload, NULL, NULL },
1363 { "disable", hostapd_cli_cmd_disable, NULL, NULL },
1364 { "erp_flush", hostapd_cli_cmd_erp_flush, NULL, NULL },
1365 { "log_level", hostapd_cli_cmd_log_level, NULL, NULL },
1366 { "pmksa", hostapd_cli_cmd_pmksa, NULL, NULL },
1367 { "pmksa_flush", hostapd_cli_cmd_pmksa_flush, NULL, NULL },
1368 { "set_neighbor", hostapd_cli_cmd_set_neighbor, NULL, NULL },
1369 { "remove_neighbor", hostapd_cli_cmd_remove_neighbor, NULL, NULL },
1370 { "req_lci", hostapd_cli_cmd_req_lci, NULL, NULL },
1371 { "req_range", hostapd_cli_cmd_req_range, NULL, NULL },
1372 { "driver_flags", hostapd_cli_cmd_driver_flags, NULL, NULL },
1373 { NULL, NULL, NULL, NULL }
1378 * Prints command usage, lines are padded with the specified string.
1380 static void print_cmd_help(FILE *stream, const struct hostapd_cli_cmd *cmd,
1386 if (cmd->usage == NULL)
1388 fprintf(stream, "%s%s ", pad, cmd->cmd);
1389 for (n = 0; (c = cmd->usage[n]); n++) {
1390 fprintf(stream, "%c", c);
1392 fprintf(stream, "%s", pad);
1394 fprintf(stream, "\n");
1398 static void print_help(FILE *stream, const char *cmd)
1402 fprintf(stream, "commands:\n");
1403 for (n = 0; hostapd_cli_commands[n].cmd; n++) {
1404 if (cmd == NULL || str_starts(hostapd_cli_commands[n].cmd, cmd))
1405 print_cmd_help(stream, &hostapd_cli_commands[n], " ");
1410 static void wpa_request(struct wpa_ctrl *ctrl, int argc, char *argv[])
1412 const struct hostapd_cli_cmd *cmd, *match = NULL;
1416 cmd = hostapd_cli_commands;
1418 if (strncasecmp(cmd->cmd, argv[0], strlen(argv[0])) == 0) {
1420 if (os_strcasecmp(cmd->cmd, argv[0]) == 0) {
1421 /* we have an exact match */
1431 printf("Ambiguous command '%s'; possible commands:", argv[0]);
1432 cmd = hostapd_cli_commands;
1434 if (strncasecmp(cmd->cmd, argv[0], strlen(argv[0])) ==
1436 printf(" %s", cmd->cmd);
1441 } else if (count == 0) {
1442 printf("Unknown command '%s'\n", argv[0]);
1444 match->handler(ctrl, argc - 1, &argv[1]);
1449 static void cli_event(const char *str)
1451 const char *start, *s;
1453 start = os_strchr(str, '>');
1459 if (str_starts(start, AP_STA_CONNECTED)) {
1460 s = os_strchr(start, ' ');
1463 cli_txt_list_add(&stations, s + 1);
1467 if (str_starts(start, AP_STA_DISCONNECTED)) {
1468 s = os_strchr(start, ' ');
1471 cli_txt_list_del_addr(&stations, s + 1);
1477 static void hostapd_cli_recv_pending(struct wpa_ctrl *ctrl, int in_read,
1481 if (ctrl_conn == NULL)
1483 while (wpa_ctrl_pending(ctrl)) {
1485 size_t len = sizeof(buf) - 1;
1486 if (wpa_ctrl_recv(ctrl, buf, &len) == 0) {
1489 hostapd_cli_action_process(buf, len);
1492 if (in_read && first)
1495 printf("%s\n", buf);
1498 printf("Could not read pending message.\n");
1505 static void hostapd_cli_receive(int sock, void *eloop_ctx, void *sock_ctx)
1507 hostapd_cli_recv_pending(ctrl_conn, 0, 0);
1513 static int tokenize_cmd(char *cmd, char *argv[])
1526 if (argc == max_args)
1529 char *pos2 = os_strrchr(pos, '"');
1533 while (*pos != '\0' && *pos != ' ')
1543 static void hostapd_cli_ping(void *eloop_ctx, void *timeout_ctx)
1545 if (ctrl_conn && _wpa_ctrl_command(ctrl_conn, "PING", 0)) {
1546 printf("Connection to hostapd lost - trying to reconnect\n");
1547 hostapd_cli_close_connection();
1550 ctrl_conn = hostapd_cli_open_connection(ctrl_ifname);
1552 printf("Connection to hostapd re-established\n");
1553 if (wpa_ctrl_attach(ctrl_conn) == 0) {
1554 hostapd_cli_attached = 1;
1555 register_event_handler(ctrl_conn);
1557 printf("Warning: Failed to attach to "
1563 hostapd_cli_recv_pending(ctrl_conn, 1, 0);
1564 eloop_register_timeout(ping_interval, 0, hostapd_cli_ping, NULL, NULL);
1568 static void hostapd_cli_eloop_terminate(int sig, void *signal_ctx)
1574 static void hostapd_cli_edit_cmd_cb(void *ctx, char *cmd)
1576 char *argv[max_args];
1578 argc = tokenize_cmd(cmd, argv);
1580 wpa_request(ctrl_conn, argc, argv);
1584 static void hostapd_cli_edit_eof_cb(void *ctx)
1590 static char ** list_cmd_list(void)
1595 count = ARRAY_SIZE(hostapd_cli_commands);
1596 res = os_calloc(count + 1, sizeof(char *));
1600 for (i = 0; hostapd_cli_commands[i].cmd; i++) {
1601 res[i] = os_strdup(hostapd_cli_commands[i].cmd);
1610 static char ** hostapd_cli_cmd_completion(const char *cmd, const char *str,
1615 for (i = 0; hostapd_cli_commands[i].cmd; i++) {
1616 if (os_strcasecmp(hostapd_cli_commands[i].cmd, cmd) != 0)
1618 if (hostapd_cli_commands[i].completion)
1619 return hostapd_cli_commands[i].completion(str, pos);
1620 if (!hostapd_cli_commands[i].usage)
1623 printf("\r%s\n", hostapd_cli_commands[i].usage);
1632 static char ** hostapd_cli_edit_completion_cb(void *ctx, const char *str,
1639 end = os_strchr(str, ' ');
1640 if (end == NULL || str + pos < end)
1641 return list_cmd_list();
1643 cmd = os_malloc(pos + 1);
1646 os_memcpy(cmd, str, pos);
1647 cmd[end - str] = '\0';
1648 res = hostapd_cli_cmd_completion(cmd, str, pos);
1654 static void hostapd_cli_interactive(void)
1656 printf("\nInteractive mode\n\n");
1658 eloop_register_signal_terminate(hostapd_cli_eloop_terminate, NULL);
1659 edit_init(hostapd_cli_edit_cmd_cb, hostapd_cli_edit_eof_cb,
1660 hostapd_cli_edit_completion_cb, NULL, NULL, NULL);
1661 eloop_register_timeout(ping_interval, 0, hostapd_cli_ping, NULL, NULL);
1665 cli_txt_list_flush(&stations);
1666 edit_deinit(NULL, NULL);
1667 eloop_cancel_timeout(hostapd_cli_ping, NULL, NULL);
1671 static void hostapd_cli_cleanup(void)
1673 hostapd_cli_close_connection();
1675 os_daemonize_terminate(pid_file);
1677 os_program_deinit();
1681 static void hostapd_cli_action(struct wpa_ctrl *ctrl)
1689 fd = wpa_ctrl_get_fd(ctrl);
1691 while (!hostapd_cli_quit) {
1694 tv.tv_sec = ping_interval;
1696 res = select(fd + 1, &rfds, NULL, NULL, &tv);
1697 if (res < 0 && errno != EINTR) {
1702 if (FD_ISSET(fd, &rfds))
1703 hostapd_cli_recv_pending(ctrl, 0, 1);
1705 len = sizeof(buf) - 1;
1706 if (wpa_ctrl_request(ctrl, "PING", 4, buf, &len,
1707 hostapd_cli_action_process) < 0 ||
1708 len < 4 || os_memcmp(buf, "PONG", 4) != 0) {
1709 printf("hostapd did not reply to PING "
1710 "command - exiting\n");
1718 int main(int argc, char *argv[])
1720 int warning_displayed = 0;
1724 if (os_program_init())
1728 c = getopt(argc, argv, "a:BhG:i:p:P:s:v");
1733 action_file = optarg;
1739 ping_interval = atoi(optarg);
1745 printf("%s\n", hostapd_cli_version);
1748 os_free(ctrl_ifname);
1749 ctrl_ifname = os_strdup(optarg);
1752 ctrl_iface_dir = optarg;
1758 client_socket_dir = optarg;
1766 interactive = (argc == optind) && (action_file == NULL);
1769 printf("%s\n\n%s\n\n", hostapd_cli_version, cli_license);
1776 if (ctrl_ifname == NULL) {
1777 struct dirent *dent;
1778 DIR *dir = opendir(ctrl_iface_dir);
1780 while ((dent = readdir(dir))) {
1781 if (os_strcmp(dent->d_name, ".") == 0
1783 os_strcmp(dent->d_name, "..") == 0)
1785 printf("Selected interface '%s'\n",
1787 ctrl_ifname = os_strdup(dent->d_name);
1793 ctrl_conn = hostapd_cli_open_connection(ctrl_ifname);
1795 if (warning_displayed)
1796 printf("Connection established.\n");
1801 perror("Failed to connect to hostapd - "
1806 if (!warning_displayed) {
1807 printf("Could not connect to hostapd - re-trying\n");
1808 warning_displayed = 1;
1814 if (interactive || action_file) {
1815 if (wpa_ctrl_attach(ctrl_conn) == 0) {
1816 hostapd_cli_attached = 1;
1817 register_event_handler(ctrl_conn);
1819 printf("Warning: Failed to attach to hostapd.\n");
1825 if (daemonize && os_daemonize(pid_file) && eloop_sock_requeue())
1829 hostapd_cli_interactive();
1830 else if (action_file)
1831 hostapd_cli_action(ctrl_conn);
1833 wpa_request(ctrl_conn, argc - optind, &argv[optind]);
1835 unregister_event_handler(ctrl_conn);
1836 os_free(ctrl_ifname);
1838 hostapd_cli_cleanup();
1842 #else /* CONFIG_NO_CTRL_IFACE */
1844 int main(int argc, char *argv[])
1849 #endif /* CONFIG_NO_CTRL_IFACE */