/*
* hostapd - command line interface for hostapd daemon
* Copyright (c) 2004-2017, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "includes.h"
#include <dirent.h>
#include "common/wpa_ctrl.h"
#include "common/ieee802_11_defs.h"
#include "utils/common.h"
#include "utils/eloop.h"
#include "utils/edit.h"
#include "common/version.h"
#include "common/cli.h"
#ifndef CONFIG_NO_CTRL_IFACE
static const char *const hostapd_cli_version =
"hostapd_cli v" VERSION_STR "\n"
"Copyright (c) 2004-2017, Jouni Malinen <j@w1.fi> and contributors";
static struct wpa_ctrl *ctrl_conn;
static int hostapd_cli_quit = 0;
static int hostapd_cli_attached = 0;
#ifndef CONFIG_CTRL_IFACE_DIR
#define CONFIG_CTRL_IFACE_DIR "/var/run/hostapd"
#endif /* CONFIG_CTRL_IFACE_DIR */
static const char *ctrl_iface_dir = CONFIG_CTRL_IFACE_DIR;
static const char *client_socket_dir = NULL;
static char *ctrl_ifname = NULL;
static const char *pid_file = NULL;
static const char *action_file = NULL;
static int ping_interval = 5;
static int interactive = 0;
static int event_handler_registered = 0;
static DEFINE_DL_LIST(stations); /* struct cli_txt_entry */
static void print_help(FILE *stream, const char *cmd);
static char ** list_cmd_list(void);
static void hostapd_cli_receive(int sock, void *eloop_ctx, void *sock_ctx);
static void update_stations(struct wpa_ctrl *ctrl);
static void cli_event(const char *str);
static void usage(void)
{
fprintf(stderr, "%s\n", hostapd_cli_version);
fprintf(stderr,
"\n"
"usage: hostapd_cli [-p<path>] [-i<ifname>] [-hvB] "
"[-a<path>] \\\n"
" [-P<pid file>] [-G<ping interval>] [command..]\n"
"\n"
"Options:\n"
" -h help (show this usage text)\n"
" -v shown version information\n"
" -p<path> path to find control sockets (default: "
"/var/run/hostapd)\n"
" -s<dir_path> dir path to open client sockets (default: "
CONFIG_CTRL_IFACE_DIR ")\n"
" -a<file> run in daemon mode executing the action file "
"based on events\n"
" from hostapd\n"
" -B run a daemon in the background\n"
" -i<ifname> Interface to listen on (default: first "
"interface found in the\n"
" socket path)\n\n");
print_help(stderr, NULL);
}
static void register_event_handler(struct wpa_ctrl *ctrl)
{
if (!ctrl_conn)
return;
if (interactive) {
event_handler_registered =
!eloop_register_read_sock(wpa_ctrl_get_fd(ctrl),
hostapd_cli_receive,
NULL, NULL);
}
}
static void unregister_event_handler(struct wpa_ctrl *ctrl)
{
if (!ctrl_conn)
return;
if (interactive && event_handler_registered) {
eloop_unregister_read_sock(wpa_ctrl_get_fd(ctrl));
event_handler_registered = 0;
}
}
static struct wpa_ctrl * hostapd_cli_open_connection(const char *ifname)
{
#ifndef CONFIG_CTRL_IFACE_UDP
char *cfile;
int flen;
#endif /* !CONFIG_CTRL_IFACE_UDP */
if (ifname == NULL)
return NULL;
#ifdef CONFIG_CTRL_IFACE_UDP
ctrl_conn = wpa_ctrl_open(ifname);
return ctrl_conn;
#else /* CONFIG_CTRL_IFACE_UDP */
flen = strlen(ctrl_iface_dir) + strlen(ifname) + 2;
cfile = malloc(flen);
if (cfile == NULL)
return NULL;
snprintf(cfile, flen, "%s/%s", ctrl_iface_dir, ifname);
if (client_socket_dir && client_socket_dir[0] &&
access(client_socket_dir, F_OK) < 0) {
perror(client_socket_dir);
free(cfile);
return NULL;
}
ctrl_conn = wpa_ctrl_open2(cfile, client_socket_dir);
free(cfile);
return ctrl_conn;
#endif /* CONFIG_CTRL_IFACE_UDP */
}
static void hostapd_cli_close_connection(void)
{
if (ctrl_conn == NULL)
return;
unregister_event_handler(ctrl_conn);
if (hostapd_cli_attached) {
wpa_ctrl_detach(ctrl_conn);
hostapd_cli_attached = 0;
}
wpa_ctrl_close(ctrl_conn);
ctrl_conn = NULL;
}
static int hostapd_cli_reconnect(const char *ifname)
{
char *next_ctrl_ifname;
hostapd_cli_close_connection();
if (!ifname)
return -1;
next_ctrl_ifname = os_strdup(ifname);
os_free(ctrl_ifname);
ctrl_ifname = next_ctrl_ifname;
if (!ctrl_ifname)
return -1;
ctrl_conn = hostapd_cli_open_connection(ctrl_ifname);
if (!ctrl_conn)
return -1;
if (!interactive && !action_file)
return 0;
if (wpa_ctrl_attach(ctrl_conn) == 0) {
hostapd_cli_attached = 1;
register_event_handler(ctrl_conn);
update_stations(ctrl_conn);
} else {
printf("Warning: Failed to attach to hostapd.\n");
}
return 0;
}
static void hostapd_cli_msg_cb(char *msg, size_t len)
{
cli_event(msg);
printf("%s\n", msg);
}
static int _wpa_ctrl_command(struct wpa_ctrl *ctrl, const char *cmd, int print)
{
char buf[4096];
size_t len;
int ret;
if (ctrl_conn == NULL) {
printf("Not connected to hostapd - command dropped.\n");
return -1;
}
len = sizeof(buf) - 1;
ret = wpa_ctrl_request(ctrl, cmd, strlen(cmd), buf, &len,
hostapd_cli_msg_cb);
if (ret == -2) {
printf("'%s' command timed out.\n", cmd);
return -2;
} else if (ret < 0) {
printf("'%s' command failed.\n", cmd);
return -1;
}
if (print) {
buf[len] = '\0';
printf("%s", buf);
}
return 0;
}
static inline int wpa_ctrl_command(struct wpa_ctrl *ctrl, const char *cmd)
{
return _wpa_ctrl_command(ctrl, cmd, 1);
}
static int hostapd_cli_cmd(struct wpa_ctrl *ctrl, const char *cmd,
int min_args, int argc, char *argv[])
{
char buf[4096];
if (argc < min_args) {
printf("Invalid %s command - at least %d argument%s required.\n",
cmd, min_args, min_args > 1 ? "s are" : " is");
return -1;
}
if (write_cmd(buf, sizeof(buf), cmd, argc, argv) < 0)
return -1;
return wpa_ctrl_command(ctrl, buf);
}
static int hostapd_cli_cmd_ping(struct wpa_ctrl *ctrl, int argc, char *argv[])
{
return wpa_ctrl_command(ctrl, "PING");
}
static int hostapd_cli_cmd_relog(struct wpa_ctrl *ctrl, int argc, char *argv[])
{
return wpa_ctrl_command(ctrl, "RELOG");
}
static int hostapd_cli_cmd_status(struct wpa_ctrl *ctrl, int argc, char *argv[])
{
if (argc > 0 && os_strcmp(argv[0], "driver") == 0)
return wpa_ctrl_command(ctrl, "STATUS-DRIVER");
return wpa_ctrl_command(ctrl, "STATUS");
}
static int hostapd_cli_cmd_mib(struct wpa_ctrl *ctrl, int argc, char *argv[])
{
if (argc > 0) {
char buf[100];
os_snprintf(buf, sizeof(buf), "MIB %s", argv[0]);
return wpa_ctrl_command(ctrl, buf);
}
return wpa_ctrl_command(ctrl, "MIB");
}
static int hostapd_cli_exec(const char *program, const char *arg1,
const char *arg2)
{
char *arg;
size_t len;
int res;
len = os_strlen(arg1) + os_strlen(arg2) + 2;
arg = os_malloc(len);
if (arg == NULL)
return -1;
os_snprintf(arg, len, "%s %s", arg1, arg2);
res = os_exec(program, arg, 1);
os_free(arg);
return res;
}
static void hostapd_cli_action_process(char *msg, size_t len)
{
const char *pos;
pos = msg;
if (*pos == '<') {
pos = os_strchr(pos, '>');
if (pos)
pos++;
else
pos = msg;
}
hostapd_cli_exec(action_file, ctrl_ifname, pos);
}
static int hostapd_cli_cmd_sta(struct wpa_ctrl *ctrl, int argc, char *argv[])
{
char buf[64];
if (argc < 1) {
printf("Invalid 'sta' command - at least one argument, STA "
"address, is required.\n");
return -1;
}
if (argc > 1)
snprintf(buf, sizeof(buf), "STA %s %s", argv[0], argv[1]);
else
snprintf(buf, sizeof(buf), "STA %s", argv[0]);
return wpa_ctrl_command(ctrl, buf);
}
static char ** hostapd_complete_stations(const char *str, int pos)
{
int arg = get_cmd_arg_num(str, pos);
char **res = NULL;
switch (arg) {
case 1:
res = cli_txt_list_array(&stations);
break;
}
return res;
}
static int hostapd_cli_cmd_new_sta(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
char buf[64];
if (argc != 1) {
printf("Invalid 'new_sta' command - exactly one argument, STA "
"address, is required.\n");
return -1;
}
snprintf(buf, sizeof(buf), "NEW_STA %s", argv[0]);
return wpa_ctrl_command(ctrl, buf);
}
static int hostapd_cli_cmd_deauthenticate(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
char buf[64];
if (argc < 1) {
printf("Invalid 'deauthenticate' command - exactly one "
"argument, STA address, is required.\n");
return -1;
}
if (argc > 1)
os_snprintf(buf, sizeof(buf), "DEAUTHENTICATE %s %s",
argv[0], argv[1]);
else
os_snprintf(buf, sizeof(buf), "DEAUTHENTICATE %s", argv[0]);
return wpa_ctrl_command(ctrl, buf);
}
static int hostapd_cli_cmd_disassociate(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
char buf[64];
if (argc < 1) {
printf("Invalid 'disassociate' command - exactly one "
"argument, STA address, is required.\n");
return -1;
}
if (argc > 1)
os_snprintf(buf, sizeof(buf), "DISASSOCIATE %s %s",
argv[0], argv[1]);
else
os_snprintf(buf, sizeof(buf), "DISASSOCIATE %s", argv[0]);
return wpa_ctrl_command(ctrl, buf);
}
#ifdef CONFIG_TAXONOMY
static int hostapd_cli_cmd_signature(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
char buf[64];
if (argc != 1) {
printf("Invalid 'signature' command - exactly one argument, STA address, is required.\n");
return -1;
}
os_snprintf(buf, sizeof(buf), "SIGNATURE %s", argv[0]);
return wpa_ctrl_command(ctrl, buf);
}
#endif /* CONFIG_TAXONOMY */
#ifdef CONFIG_IEEE80211W
static int hostapd_cli_cmd_sa_query(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
char buf[64];
if (argc != 1) {
printf("Invalid 'sa_query' command - exactly one argument, "
"STA address, is required.\n");
return -1;
}
snprintf(buf, sizeof(buf), "SA_QUERY %s", argv[0]);
return wpa_ctrl_command(ctrl, buf);
}
#endif /* CONFIG_IEEE80211W */
#ifdef CONFIG_WPS
static int hostapd_cli_cmd_wps_pin(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
char buf[256];
if (argc < 2) {
printf("Invalid 'wps_pin' command - at least two arguments, "
"UUID and PIN, are required.\n");
return -1;
}
if (argc > 3)
snprintf(buf, sizeof(buf), "WPS_PIN %s %s %s %s",
argv[0], argv[1], argv[2], argv[3]);
else if (argc > 2)
snprintf(buf, sizeof(buf), "WPS_PIN %s %s %s",
argv[0], argv[1], argv[2]);
else
snprintf(buf, sizeof(buf), "WPS_PIN %s %s", argv[0], argv[1]);
return wpa_ctrl_command(ctrl, buf);
}
static int hostapd_cli_cmd_wps_check_pin(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
char cmd[256];
int res;
if (argc != 1 && argc != 2) {
printf("Invalid WPS_CHECK_PIN command: needs one argument:\n"
"- PIN to be verified\n");
return -1;
}
if (argc == 2)
res = os_snprintf(cmd, sizeof(cmd), "WPS_CHECK_PIN %s %s",
argv[0], argv[1]);
else
res = os_snprintf(cmd, sizeof(cmd), "WPS_CHECK_PIN %s",
argv[0]);
if (os_snprintf_error(sizeof(cmd), res)) {
printf("Too long WPS_CHECK_PIN command.\n");
return -1;
}
return wpa_ctrl_command(ctrl, cmd);
}
static int hostapd_cli_cmd_wps_pbc(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
return wpa_ctrl_command(ctrl, "WPS_PBC");
}
static int hostapd_cli_cmd_wps_cancel(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
return wpa_ctrl_command(ctrl, "WPS_CANCEL");
}
#ifdef CONFIG_WPS_NFC
static int hostapd_cli_cmd_wps_nfc_tag_read(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
int ret;
char *buf;
size_t buflen;
if (argc != 1) {
printf("Invalid 'wps_nfc_tag_read' command - one argument "
"is required.\n");
return -1;
}
buflen = 18 + os_strlen(argv[0]);
buf = os_malloc(buflen);
if (buf == NULL)
return -1;
os_snprintf(buf, buflen, "WPS_NFC_TAG_READ %s", argv[0]);
ret = wpa_ctrl_command(ctrl, buf);
os_free(buf);
return ret;
}
static int hostapd_cli_cmd_wps_nfc_config_token(struct wpa_ctrl *ctrl,
int argc, char *argv[])
{
char cmd[64];
int res;
if (argc != 1) {
printf("Invalid 'wps_nfc_config_token' command - one argument "
"is required.\n");
return -1;
}
res = os_snprintf(cmd, sizeof(cmd), "WPS_NFC_CONFIG_TOKEN %s",
argv[0]);
if (os_snprintf_error(sizeof(cmd), res)) {
printf("Too long WPS_NFC_CONFIG_TOKEN command.\n");
return -1;
}
return wpa_ctrl_command(ctrl, cmd);
}
static int hostapd_cli_cmd_wps_nfc_token(struct wpa_ctrl *ctrl,
int argc, char *argv[])
{
char cmd[64];
int res;
if (argc != 1) {
printf("Invalid 'wps_nfc_token' command - one argument is "
"required.\n");
return -1;
}
res = os_snprintf(cmd, sizeof(cmd), "WPS_NFC_TOKEN %s", argv[0]);
if (os_snprintf_error(sizeof(cmd), res)) {
printf("Too long WPS_NFC_TOKEN command.\n");
return -1;
}
return wpa_ctrl_command(ctrl, cmd);
}
static int hostapd_cli_cmd_nfc_get_handover_sel(struct wpa_ctrl *ctrl,
int argc, char *argv[])
{
char cmd[64];
int res;
if (argc != 2) {
printf("Invalid 'nfc_get_handover_sel' command - two arguments "
"are required.\n");
return -1;
}
res = os_snprintf(cmd, sizeof(cmd), "NFC_GET_HANDOVER_SEL %s %s",
argv[0], argv[1]);
if (os_snprintf_error(sizeof(cmd), res)) {
printf("Too long NFC_GET_HANDOVER_SEL command.\n");
return -1;
}
return wpa_ctrl_command(ctrl, cmd);
}
#endif /* CONFIG_WPS_NFC */
static int hostapd_cli_cmd_wps_ap_pin(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
char buf[64];
if (argc < 1) {
printf("Invalid 'wps_ap_pin' command - at least one argument "
"is required.\n");
return -1;
}
if (argc > 2)
snprintf(buf, sizeof(buf), "WPS_AP_PIN %s %s %s",
argv[0], argv[1], argv[2]);
else if (argc > 1)
snprintf(buf, sizeof(buf), "WPS_AP_PIN %s %s",
argv[0], argv[1]);
else
snprintf(buf, sizeof(buf), "WPS_AP_PIN %s", argv[0]);
return wpa_ctrl_command(ctrl, buf);
}
static int hostapd_cli_cmd_wps_get_status(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
return wpa_ctrl_command(ctrl, "WPS_GET_STATUS");
}
static int hostapd_cli_cmd_wps_config(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
char buf[256];
char ssid_hex[2 * SSID_MAX_LEN + 1];
char key_hex[2 * 64 + 1];
int i;
if (argc < 1) {
printf("Invalid 'wps_config' command - at least two arguments "
"are required.\n");
return -1;
}
ssid_hex[0] = '\0';
for (i = 0; i < SSID_MAX_LEN; i++) {
if (argv[0][i] == '\0')
break;
os_snprintf(&ssid_hex[i * 2], 3, "%02x", argv[0][i]);
}
key_hex[0] = '\0';
if (argc > 3) {
for (i = 0; i < 64; i++) {
if (argv[3][i] == '\0')
break;
os_snprintf(&key_hex[i * 2], 3, "%02x",
argv[3][i]);
}
}
if (argc > 3)
snprintf(buf, sizeof(buf), "WPS_CONFIG %s %s %s %s",
ssid_hex, argv[1], argv[2], key_hex);
else if (argc > 2)
snprintf(buf, sizeof(buf), "WPS_CONFIG %s %s %s",
ssid_hex, argv[1], argv[2]);
else
snprintf(buf, sizeof(buf), "WPS_CONFIG %s %s",
ssid_hex, argv[1]);
return wpa_ctrl_command(ctrl, buf);
}
#endif /* CONFIG_WPS */
static int hostapd_cli_cmd_disassoc_imminent(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
char buf[300];
int res;
if (argc < 2) {
printf("Invalid 'disassoc_imminent' command - two arguments "
"(STA addr and Disassociation Timer) are needed\n");
return -1;
}
res = os_snprintf(buf, sizeof(buf), "DISASSOC_IMMINENT %s %s",
argv[0], argv[1]);
if (os_snprintf_error(sizeof(buf), res))
return -1;
return wpa_ctrl_command(ctrl, buf);
}
static int hostapd_cli_cmd_ess_disassoc(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
char buf[300];
int res;
if (argc < 3) {
printf("Invalid 'ess_disassoc' command - three arguments (STA "
"addr, disassoc timer, and URL) are needed\n");
return -1;
}
res = os_snprintf(buf, sizeof(buf), "ESS_DISASSOC %s %s %s",
argv[0], argv[1], argv[2]);
if (os_snprintf_error(sizeof(buf), res))
return -1;
return wpa_ctrl_command(ctrl, buf);
}
static int hostapd_cli_cmd_bss_tm_req(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
char buf[2000], *tmp;
int res, i, total;
if (argc < 1) {
printf("Invalid 'bss_tm_req' command - at least one argument (STA addr) is needed\n");
return -1;
}
res = os_snprintf(buf, sizeof(buf), "BSS_TM_REQ %s", argv[0]);
if (os_snprintf_error(sizeof(buf), res))
return -1;
total = res;
for (i = 1; i < argc; i++) {
tmp = &buf[total];
res = os_snprintf(tmp, sizeof(buf) - total, " %s", argv[i]);
if (os_snprintf_error(sizeof(buf) - total, res))
return -1;
total += res;
}
return wpa_ctrl_command(ctrl, buf);
}
static int hostapd_cli_cmd_get_config(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
return wpa_ctrl_command(ctrl, "GET_CONFIG");
}
static int wpa_ctrl_command_sta(struct wpa_ctrl *ctrl, const char *cmd,
char *addr, size_t addr_len, int print)
{
char buf[4096], *pos;
size_t len;
int ret;
if (ctrl_conn == NULL) {
printf("Not connected to hostapd - command dropped.\n");
return -1;
}
len = sizeof(buf) - 1;
ret = wpa_ctrl_request(ctrl, cmd, strlen(cmd), buf, &len,
hostapd_cli_msg_cb);
if (ret == -2) {
printf("'%s' command timed out.\n", cmd);
return -2;
} else if (ret < 0) {
printf("'%s' command failed.\n", cmd);
return -1;
}
buf[len] = '\0';
if (memcmp(buf, "FAIL", 4) == 0)
return -1;
if (print)
printf("%s", buf);
pos = buf;
while (*pos != '\0' && *pos != '\n')
pos++;
*pos = '\0';
os_strlcpy(addr, buf, addr_len);
return 0;
}
static int hostapd_cli_cmd_all_sta(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
char addr[32], cmd[64];
if (wpa_ctrl_command_sta(ctrl, "STA-FIRST", addr, sizeof(addr), 1))
return 0;
do {
snprintf(cmd, sizeof(cmd), "STA-NEXT %s", addr);
} while (wpa_ctrl_command_sta(ctrl, cmd, addr, sizeof(addr), 1) == 0);
return -1;
}
static int hostapd_cli_cmd_list_sta(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
char addr[32], cmd[64];
if (wpa_ctrl_command_sta(ctrl, "STA-FIRST", addr, sizeof(addr), 0))
return 0;
do {
if (os_strcmp(addr, "") != 0)
printf("%s\n", addr);
os_snprintf(cmd, sizeof(cmd), "STA-NEXT %s", addr);
} while (wpa_ctrl_command_sta(ctrl, cmd, addr, sizeof(addr), 0) == 0);
return 0;
}
static int hostapd_cli_cmd_help(struct wpa_ctrl *ctrl, int argc, char *argv[])
{
print_help(stdout, argc > 0 ? argv[0] : NULL);
return 0;
}
static char ** hostapd_cli_complete_help(const char *str, int pos)
{
int arg = get_cmd_arg_num(str, pos);
char **res = NULL;
switch (arg) {
case 1:
res = list_cmd_list();
break;
}
return res;
}
static int hostapd_cli_cmd_license(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
printf("%s\n\n%s\n", hostapd_cli_version, cli_full_license);
return 0;
}
static int hostapd_cli_cmd_set_qos_map_set(struct wpa_ctrl *ctrl,
int argc, char *argv[])
{
char buf[200];
int res;
if (argc != 1) {
printf("Invalid 'set_qos_map_set' command - "
"one argument (comma delimited QoS map set) "
"is needed\n");
return -1;
}
res = os_snprintf(buf, sizeof(buf), "SET_QOS_MAP_SET %s", argv[0]);
if (os_snprintf_error(sizeof(buf), res))
return -1;
return wpa_ctrl_command(ctrl, buf);
}
static int hostapd_cli_cmd_send_qos_map_conf(struct wpa_ctrl *ctrl,
int argc, char *argv[])
{
char buf[50];
int res;
if (argc != 1) {
printf("Invalid 'send_qos_map_conf' command - "
"one argument (STA addr) is needed\n");
return -1;
}
res = os_snprintf(buf, sizeof(buf), "SEND_QOS_MAP_CONF %s", argv[0]);
if (os_snprintf_error(sizeof(buf), res))
return -1;
return wpa_ctrl_command(ctrl, buf);
}
static int hostapd_cli_cmd_hs20_wnm_notif(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
char buf[300];
int res;
if (argc < 2) {
printf("Invalid 'hs20_wnm_notif' command - two arguments (STA "
"addr and URL) are needed\n");
return -1;
}
res = os_snprintf(buf, sizeof(buf), "HS20_WNM_NOTIF %s %s",
argv[0], argv[1]);
if (os_snprintf_error(sizeof(buf), res))
return -1;
return wpa_ctrl_command(ctrl, buf);
}
static int hostapd_cli_cmd_hs20_deauth_req(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
char buf[300];
int res;
if (argc < 3) {
printf("Invalid 'hs20_deauth_req' command - at least three arguments (STA addr, Code, Re-auth Delay) are needed\n");
return -1;
}
if (argc > 3)
res = os_snprintf(buf, sizeof(buf),
"HS20_DEAUTH_REQ %s %s %s %s",
argv[0], argv[1], argv[2], argv[3]);
else
res = os_snprintf(buf, sizeof(buf),
"HS20_DEAUTH_REQ %s %s %s",
argv[0], argv[1], argv[2]);
if (os_snprintf_error(sizeof(buf), res))
return -1;
return wpa_ctrl_command(ctrl, buf);
}
static int hostapd_cli_cmd_quit(struct wpa_ctrl *ctrl, int argc, char *argv[])
{
hostapd_cli_quit = 1;
if (interactive)
eloop_terminate();
return 0;
}
static int hostapd_cli_cmd_level(struct wpa_ctrl *ctrl, int argc, char *argv[])
{
char cmd[256];
if (argc != 1) {
printf("Invalid LEVEL command: needs one argument (debug "
"level)\n");
return 0;
}
snprintf(cmd, sizeof(cmd), "LEVEL %s", argv[0]);
return wpa_ctrl_command(ctrl, cmd);
}
static void update_stations(struct wpa_ctrl *ctrl)
{
char addr[32], cmd[64];
if (!ctrl || !interactive)
return;
cli_txt_list_flush(&stations);
if (wpa_ctrl_command_sta(ctrl, "STA-FIRST", addr, sizeof(addr), 0))
return;
do {
if (os_strcmp(addr, "") != 0)
cli_txt_list_add(&stations, addr);
os_snprintf(cmd, sizeof(cmd), "STA-NEXT %s", addr);
} while (wpa_ctrl_command_sta(ctrl, cmd, addr, sizeof(addr), 0) == 0);
}
static void hostapd_cli_get_interfaces(struct wpa_ctrl *ctrl,
struct dl_list *interfaces)
{
struct dirent *dent;
DIR *dir;
if (!ctrl || !interfaces)
return;
dir = opendir(ctrl_iface_dir);
if (dir == NULL)
return;
while ((dent = readdir(dir))) {
if (strcmp(dent->d_name, ".") == 0 ||
strcmp(dent->d_name, "..") == 0)
continue;
cli_txt_list_add(interfaces, dent->d_name);
}
closedir(dir);
}
static void hostapd_cli_list_interfaces(struct wpa_ctrl *ctrl)
{
struct dirent *dent;
DIR *dir;
dir = opendir(ctrl_iface_dir);
if (dir == NULL) {
printf("Control interface directory '%s' could not be "
"openned.\n", ctrl_iface_dir);
return;
}
printf("Available interfaces:\n");
while ((dent = readdir(dir))) {
if (strcmp(dent->d_name, ".") == 0 ||
strcmp(dent->d_name, "..") == 0)
continue;
printf("%s\n", dent->d_name);
}
closedir(dir);
}
static int hostapd_cli_cmd_interface(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
if (argc < 1) {
hostapd_cli_list_interfaces(ctrl);
return 0;
}
if (hostapd_cli_reconnect(argv[0]) != 0) {
printf("Could not connect to interface '%s' - re-trying\n",
ctrl_ifname);
}
return 0;
}
static char ** hostapd_complete_interface(const char *str, int pos)
{
int arg = get_cmd_arg_num(str, pos);
char **res = NULL;
DEFINE_DL_LIST(interfaces);
switch (arg) {
case 1:
hostapd_cli_get_interfaces(ctrl_conn, &interfaces);
res = cli_txt_list_array(&interfaces);
cli_txt_list_flush(&interfaces);
break;
}
return res;
}
static int hostapd_cli_cmd_set(struct wpa_ctrl *ctrl, int argc, char *argv[])
{
char cmd[2048];
int res;
if (argc != 2) {
printf("Invalid SET command: needs two arguments (variable "
"name and value)\n");
return -1;
}
res = os_snprintf(cmd, sizeof(cmd), "SET %s %s", argv[0], argv[1]);
if (os_snprintf_error(sizeof(cmd), res)) {
printf("Too long SET command.\n");
return -1;
}
return wpa_ctrl_command(ctrl, cmd);
}
static char ** hostapd_complete_set(const char *str, int pos)
{
int arg = get_cmd_arg_num(str, pos);
const char *fields[] = {
#ifdef CONFIG_WPS_TESTING
"wps_version_number", "wps_testing_dummy_cred",
"wps_corrupt_pkhash",
#endif /* CONFIG_WPS_TESTING */
#ifdef CONFIG_INTERWORKING
"gas_frag_limit",
#endif /* CONFIG_INTERWORKING */
#ifdef CONFIG_TESTING_OPTIONS
"ext_mgmt_frame_handling", "ext_eapol_frame_io",
#endif /* CONFIG_TESTING_OPTIONS */
#ifdef CONFIG_MBO
"mbo_assoc_disallow",
#endif /* CONFIG_MBO */
"deny_mac_file", "accept_mac_file",
};
int i, num_fields = ARRAY_SIZE(fields);
if (arg == 1) {
char **res;
res = os_calloc(num_fields + 1, sizeof(char *));
if (!res)
return NULL;
for (i = 0; i < num_fields; i++) {
res[i] = os_strdup(fields[i]);
if (!res[i])
return res;
}
return res;
}
return NULL;
}
static int hostapd_cli_cmd_get(struct wpa_ctrl *ctrl, int argc, char *argv[])
{
char cmd[256];
int res;
if (argc != 1) {
printf("Invalid GET command: needs one argument (variable "
"name)\n");
return -1;
}
res = os_snprintf(cmd, sizeof(cmd), "GET %s", argv[0]);
if (os_snprintf_error(sizeof(cmd), res)) {
printf("Too long GET command.\n");
return -1;
}
return wpa_ctrl_command(ctrl, cmd);
}
static char ** hostapd_complete_get(const char *str, int pos)
{
int arg = get_cmd_arg_num(str, pos);
const char *fields[] = {
"version", "tls_library",
};
int i, num_fields = ARRAY_SIZE(fields);
if (arg == 1) {
char **res;
res = os_calloc(num_fields + 1, sizeof(char *));
if (!res)
return NULL;
for (i = 0; i < num_fields; i++) {
res[i] = os_strdup(fields[i]);
if (!res[i])
return res;
}
return res;
}
return NULL;
}
#ifdef CONFIG_FST
static int hostapd_cli_cmd_fst(struct wpa_ctrl *ctrl, int argc, char *argv[])
{
char cmd[256];
int res;
int i;
int total;
if (argc <= 0) {
printf("FST command: parameters are required.\n");
return -1;
}
total = os_snprintf(cmd, sizeof(cmd), "FST-MANAGER");
for (i = 0; i < argc; i++) {
res = os_snprintf(cmd + total, sizeof(cmd) - total, " %s",
argv[i]);
if (os_snprintf_error(sizeof(cmd) - total, res)) {
printf("Too long fst command.\n");
return -1;
}
total += res;
}
return wpa_ctrl_command(ctrl, cmd);
}
#endif /* CONFIG_FST */
static int hostapd_cli_cmd_chan_switch(struct wpa_ctrl *ctrl,
int argc, char *argv[])
{
char cmd[256];
int res;
int i;
char *tmp;
int total;
if (argc < 2) {
printf("Invalid chan_switch command: needs at least two "
"arguments (count and freq)\n"
"usage: <cs_count> <freq> [sec_channel_offset=] "
"[center_freq1=] [center_freq2=] [bandwidth=] "
"[blocktx] [ht|vht]\n");
return -1;
}
res = os_snprintf(cmd, sizeof(cmd), "CHAN_SWITCH %s %s",
argv[0], argv[1]);
if (os_snprintf_error(sizeof(cmd), res)) {
printf("Too long CHAN_SWITCH command.\n");
return -1;
}
total = res;
for (i = 2; i < argc; i++) {
tmp = cmd + total;
res = os_snprintf(tmp, sizeof(cmd) - total, " %s", argv[i]);
if (os_snprintf_error(sizeof(cmd) - total, res)) {
printf("Too long CHAN_SWITCH command.\n");
return -1;
}
total += res;
}
return wpa_ctrl_command(ctrl, cmd);
}
static int hostapd_cli_cmd_enable(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
return wpa_ctrl_command(ctrl, "ENABLE");
}
static int hostapd_cli_cmd_reload(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
return wpa_ctrl_command(ctrl, "RELOAD");
}
static int hostapd_cli_cmd_disable(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
return wpa_ctrl_command(ctrl, "DISABLE");
}
static int hostapd_cli_cmd_vendor(struct wpa_ctrl *ctrl, int argc, char *argv[])
{
char cmd[256];
int res;
if (argc < 2 || argc > 3) {
printf("Invalid vendor command\n"
"usage: <vendor id> <command id> [<hex formatted command argument>]\n");
return -1;
}
res = os_snprintf(cmd, sizeof(cmd), "VENDOR %s %s %s", argv[0], argv[1],
argc == 3 ? argv[2] : "");
if (os_snprintf_error(sizeof(cmd), res)) {
printf("Too long VENDOR command.\n");
return -1;
}
return wpa_ctrl_command(ctrl, cmd);
}
static int hostapd_cli_cmd_erp_flush(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
return wpa_ctrl_command(ctrl, "ERP_FLUSH");
}
static int hostapd_cli_cmd_log_level(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
char cmd[256];
int res;
res = os_snprintf(cmd, sizeof(cmd), "LOG_LEVEL%s%s%s%s",
argc >= 1 ? " " : "",
argc >= 1 ? argv[0] : "",
argc == 2 ? " " : "",
argc == 2 ? argv[1] : "");
if (os_snprintf_error(sizeof(cmd), res)) {
printf("Too long option\n");
return -1;
}
return wpa_ctrl_command(ctrl, cmd);
}
static int hostapd_cli_cmd_raw(struct wpa_ctrl *ctrl, int argc, char *argv[])
{
if (argc == 0)
return -1;
return hostapd_cli_cmd(ctrl, argv[0], 0, argc - 1, &argv[1]);
}
static int hostapd_cli_cmd_pmksa(struct wpa_ctrl *ctrl, int argc, char *argv[])
{
return wpa_ctrl_command(ctrl, "PMKSA");
}
static int hostapd_cli_cmd_pmksa_flush(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
return wpa_ctrl_command(ctrl, "PMKSA_FLUSH");
}
static int hostapd_cli_cmd_set_neighbor(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
char cmd[2048];
int res;
if (argc < 3 || argc > 6) {
printf("Invalid set_neighbor command: needs 3-6 arguments\n");
return -1;
}
res = os_snprintf(cmd, sizeof(cmd), "SET_NEIGHBOR %s %s %s %s %s %s",
argv[0], argv[1], argv[2], argc >= 4 ? argv[3] : "",
argc >= 5 ? argv[4] : "", argc == 6 ? argv[5] : "");
if (os_snprintf_error(sizeof(cmd), res)) {
printf("Too long SET_NEIGHBOR command.\n");
return -1;
}
return wpa_ctrl_command(ctrl, cmd);
}
static int hostapd_cli_cmd_remove_neighbor(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
char cmd[400];
int res;
if (argc != 2) {
printf("Invalid remove_neighbor command: needs 2 arguments\n");
return -1;
}
res = os_snprintf(cmd, sizeof(cmd), "REMOVE_NEIGHBOR %s %s",
argv[0], argv[1]);
if (os_snprintf_error(sizeof(cmd), res)) {
printf("Too long REMOVE_NEIGHBOR command.\n");
return -1;
}
return wpa_ctrl_command(ctrl, cmd);
}
static int hostapd_cli_cmd_req_lci(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
char cmd[256];
int res;
if (argc != 1) {
printf("Invalid req_lci command - requires destination address\n");
return -1;
}
res = os_snprintf(cmd, sizeof(cmd), "REQ_LCI %s", argv[0]);
if (os_snprintf_error(sizeof(cmd), res)) {
printf("Too long REQ_LCI command.\n");
return -1;
}
return wpa_ctrl_command(ctrl, cmd);
}
static int hostapd_cli_cmd_req_range(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
if (argc < 4) {
printf("Invalid req_range command: needs at least 4 arguments - dest address, randomization interval, min AP count, and 1 to 16 AP addresses\n");
return -1;
}
return hostapd_cli_cmd(ctrl, "REQ_RANGE", 4, argc, argv);
}
static int hostapd_cli_cmd_driver_flags(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
return wpa_ctrl_command(ctrl, "DRIVER_FLAGS");
}
#ifdef CONFIG_DPP
static int hostapd_cli_cmd_dpp_qr_code(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
return hostapd_cli_cmd(ctrl, "DPP_QR_CODE", 1, argc, argv);
}
static int hostapd_cli_cmd_dpp_bootstrap_gen(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
return hostapd_cli_cmd(ctrl, "DPP_BOOTSTRAP_GEN", 1, argc, argv);
}
static int hostapd_cli_cmd_dpp_bootstrap_remove(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
return hostapd_cli_cmd(ctrl, "DPP_BOOTSTRAP_REMOVE", 1, argc, argv);
}
static int hostapd_cli_cmd_dpp_bootstrap_get_uri(struct wpa_ctrl *ctrl,
int argc, char *argv[])
{
return hostapd_cli_cmd(ctrl, "DPP_BOOTSTRAP_GET_URI", 1, argc, argv);
}
static int hostapd_cli_cmd_dpp_bootstrap_info(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
return hostapd_cli_cmd(ctrl, "DPP_BOOTSTRAP_INFO", 1, argc, argv);
}
static int hostapd_cli_cmd_dpp_auth_init(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
return hostapd_cli_cmd(ctrl, "DPP_AUTH_INIT", 1, argc, argv);
}
static int hostapd_cli_cmd_dpp_configurator_add(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
return hostapd_cli_cmd(ctrl, "DPP_CONFIGURATOR_ADD", 0, argc, argv);
}
static int hostapd_cli_cmd_dpp_configurator_remove(struct wpa_ctrl *ctrl,
int argc, char *argv[])
{
return hostapd_cli_cmd(ctrl, "DPP_CONFIGURATOR_REMOVE", 1, argc, argv);
}
static int hostapd_cli_cmd_dpp_pkex_add(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
return hostapd_cli_cmd(ctrl, "DPP_PKEX_ADD", 1, argc, argv);
}
static int hostapd_cli_cmd_dpp_pkex_remove(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
return hostapd_cli_cmd(ctrl, "DPP_PKEX_REMOVE", 1, argc, argv);
}
#endif /* CONFIG_DPP */
struct hostapd_cli_cmd {
const char *cmd;
int (*handler)(struct wpa_ctrl *ctrl, int argc, char *argv[]);
char ** (*completion)(const char *str, int pos);
const char *usage;
};
static const struct hostapd_cli_cmd hostapd_cli_commands[] = {
{ "ping", hostapd_cli_cmd_ping, NULL,
"= pings hostapd" },
{ "mib", hostapd_cli_cmd_mib, NULL,
"= get MIB variables (dot1x, dot11, radius)" },
{ "relog", hostapd_cli_cmd_relog, NULL,
"= reload/truncate debug log output file" },
{ "status", hostapd_cli_cmd_status, NULL,
"= show interface status info" },
{ "sta", hostapd_cli_cmd_sta, hostapd_complete_stations,
"<addr> = get MIB variables for one station" },
{ "all_sta", hostapd_cli_cmd_all_sta, NULL,
"= get MIB variables for all stations" },
{ "list_sta", hostapd_cli_cmd_list_sta, NULL,
"= list all stations" },
{ "new_sta", hostapd_cli_cmd_new_sta, NULL,
"<addr> = add a new station" },
{ "deauthenticate", hostapd_cli_cmd_deauthenticate,
hostapd_complete_stations,
"<addr> = deauthenticate a station" },
{ "disassociate", hostapd_cli_cmd_disassociate,
hostapd_complete_stations,
"<addr> = disassociate a station" },
#ifdef CONFIG_TAXONOMY
{ "signature", hostapd_cli_cmd_signature, hostapd_complete_stations,
"<addr> = get taxonomy signature for a station" },
#endif /* CONFIG_TAXONOMY */
#ifdef CONFIG_IEEE80211W
{ "sa_query", hostapd_cli_cmd_sa_query, hostapd_complete_stations,
"<addr> = send SA Query to a station" },
#endif /* CONFIG_IEEE80211W */
#ifdef CONFIG_WPS
{ "wps_pin", hostapd_cli_cmd_wps_pin, NULL,
"<uuid> <pin> [timeout] [addr] = add WPS Enrollee PIN" },
{ "wps_check_pin", hostapd_cli_cmd_wps_check_pin, NULL,
"<PIN> = verify PIN checksum" },
{ "wps_pbc", hostapd_cli_cmd_wps_pbc, NULL,
"= indicate button pushed to initiate PBC" },
{ "wps_cancel", hostapd_cli_cmd_wps_cancel, NULL,
"= cancel the pending WPS operation" },
#ifdef CONFIG_WPS_NFC
{ "wps_nfc_tag_read", hostapd_cli_cmd_wps_nfc_tag_read, NULL,
"<hexdump> = report read NFC tag with WPS data" },
{ "wps_nfc_config_token", hostapd_cli_cmd_wps_nfc_config_token, NULL,
"<WPS/NDEF> = build NFC configuration token" },
{ "wps_nfc_token", hostapd_cli_cmd_wps_nfc_token, NULL,
"<WPS/NDEF/enable/disable> = manager NFC password token" },
{ "nfc_get_handover_sel", hostapd_cli_cmd_nfc_get_handover_sel, NULL,
NULL },
#endif /* CONFIG_WPS_NFC */
{ "wps_ap_pin", hostapd_cli_cmd_wps_ap_pin, NULL,
"<cmd> [params..] = enable/disable AP PIN" },
{ "wps_config", hostapd_cli_cmd_wps_config, NULL,
"<SSID> <auth> <encr> <key> = configure AP" },
{ "wps_get_status", hostapd_cli_cmd_wps_get_status, NULL,
"= show current WPS status" },
#endif /* CONFIG_WPS */
{ "disassoc_imminent", hostapd_cli_cmd_disassoc_imminent, NULL,
"= send Disassociation Imminent notification" },
{ "ess_disassoc", hostapd_cli_cmd_ess_disassoc, NULL,
"= send ESS Dissassociation Imminent notification" },
{ "bss_tm_req", hostapd_cli_cmd_bss_tm_req, NULL,
"= send BSS Transition Management Request" },
{ "get_config", hostapd_cli_cmd_get_config, NULL,
"= show current configuration" },
{ "help", hostapd_cli_cmd_help, hostapd_cli_complete_help,
"= show this usage help" },
{ "interface", hostapd_cli_cmd_interface, hostapd_complete_interface,
"[ifname] = show interfaces/select interface" },
#ifdef CONFIG_FST
{ "fst", hostapd_cli_cmd_fst, NULL,
"<params...> = send FST-MANAGER control interface command" },
#endif /* CONFIG_FST */
{ "raw", hostapd_cli_cmd_raw, NULL,
"<params..> = send unprocessed command" },
{ "level", hostapd_cli_cmd_level, NULL,
"<debug level> = change debug level" },
{ "license", hostapd_cli_cmd_license, NULL,
"= show full hostapd_cli license" },
{ "quit", hostapd_cli_cmd_quit, NULL,
"= exit hostapd_cli" },
{ "set", hostapd_cli_cmd_set, hostapd_complete_set,
"<name> <value> = set runtime variables" },
{ "get", hostapd_cli_cmd_get, hostapd_complete_get,
"<name> = get runtime info" },
{ "set_qos_map_set", hostapd_cli_cmd_set_qos_map_set, NULL,
"<arg,arg,...> = set QoS Map set element" },
{ "send_qos_map_conf", hostapd_cli_cmd_send_qos_map_conf,
hostapd_complete_stations,
"<addr> = send QoS Map Configure frame" },
{ "chan_switch", hostapd_cli_cmd_chan_switch, NULL,
"<cs_count> <freq> [sec_channel_offset=] [center_freq1=]\n"
" [center_freq2=] [bandwidth=] [blocktx] [ht|vht]\n"
" = initiate channel switch announcement" },
{ "hs20_wnm_notif", hostapd_cli_cmd_hs20_wnm_notif, NULL,
"<addr> <url>\n"
" = send WNM-Notification Subscription Remediation Request" },
{ "hs20_deauth_req", hostapd_cli_cmd_hs20_deauth_req, NULL,
"<addr> <code (0/1)> <Re-auth-Delay(sec)> [url]\n"
" = send WNM-Notification imminent deauthentication indication" },
{ "vendor", hostapd_cli_cmd_vendor, NULL,
"<vendor id> <sub command id> [<hex formatted data>]\n"
" = send vendor driver command" },
{ "enable", hostapd_cli_cmd_enable, NULL,
"= enable hostapd on current interface" },
{ "reload", hostapd_cli_cmd_reload, NULL,
"= reload configuration for current interface" },
{ "disable", hostapd_cli_cmd_disable, NULL,
"= disable hostapd on current interface" },
{ "erp_flush", hostapd_cli_cmd_erp_flush, NULL,
"= drop all ERP keys"},
{ "log_level", hostapd_cli_cmd_log_level, NULL,
"[level] = show/change log verbosity level" },
{ "pmksa", hostapd_cli_cmd_pmksa, NULL,
" = show PMKSA cache entries" },
{ "pmksa_flush", hostapd_cli_cmd_pmksa_flush, NULL,
" = flush PMKSA cache" },
{ "set_neighbor", hostapd_cli_cmd_set_neighbor, NULL,
"<addr> <ssid=> <nr=> [lci=] [civic=] [stat]\n"
" = add AP to neighbor database" },
{ "remove_neighbor", hostapd_cli_cmd_remove_neighbor, NULL,
"<addr> <ssid=> = remove AP from neighbor database" },
{ "req_lci", hostapd_cli_cmd_req_lci, hostapd_complete_stations,
"<addr> = send LCI request to a station"},
{ "req_range", hostapd_cli_cmd_req_range, NULL,
" = send FTM range request"},
{ "driver_flags", hostapd_cli_cmd_driver_flags, NULL,
" = show supported driver flags"},
#ifdef CONFIG_DPP
{ "dpp_qr_code", hostapd_cli_cmd_dpp_qr_code, NULL,
"report a scanned DPP URI from a QR Code" },
{ "dpp_bootstrap_gen", hostapd_cli_cmd_dpp_bootstrap_gen, NULL,
"type=<qrcode> [chan=..] [mac=..] [info=..] [curve=..] [key=..] = generate DPP bootstrap information" },
{ "dpp_bootstrap_remove", hostapd_cli_cmd_dpp_bootstrap_remove, NULL,
"*|<id> = remove DPP bootstrap information" },
{ "dpp_bootstrap_get_uri", hostapd_cli_cmd_dpp_bootstrap_get_uri, NULL,
"<id> = get DPP bootstrap URI" },
{ "dpp_bootstrap_info", hostapd_cli_cmd_dpp_bootstrap_info, NULL,
"<id> = show DPP bootstrap information" },
{ "dpp_auth_init", hostapd_cli_cmd_dpp_auth_init, NULL,
"peer=<id> [own=<id>] = initiate DPP bootstrapping" },
{ "dpp_configurator_add", hostapd_cli_cmd_dpp_configurator_add, NULL,
"[curve=..] [key=..] = add DPP configurator" },
{ "dpp_configurator_remove", hostapd_cli_cmd_dpp_configurator_remove,
NULL,
"*|<id> = remove DPP configurator" },
{ "dpp_pkex_add", hostapd_cli_cmd_dpp_pkex_add, NULL,
"add PKEX code" },
{ "dpp_pkex_remove", hostapd_cli_cmd_dpp_pkex_remove, NULL,
"*|<id> = remove DPP pkex information" },
#endif /* CONFIG_DPP */
{ NULL, NULL, NULL, NULL }
};
/*
* Prints command usage, lines are padded with the specified string.
*/
static void print_cmd_help(FILE *stream, const struct hostapd_cli_cmd *cmd,
const char *pad)
{
char c;
size_t n;
if (cmd->usage == NULL)
return;
fprintf(stream, "%s%s ", pad, cmd->cmd);
for (n = 0; (c = cmd->usage[n]); n++) {
fprintf(stream, "%c", c);
if (c == '\n')
fprintf(stream, "%s", pad);
}
fprintf(stream, "\n");
}
static void print_help(FILE *stream, const char *cmd)
{
int n;
fprintf(stream, "commands:\n");
for (n = 0; hostapd_cli_commands[n].cmd; n++) {
if (cmd == NULL || str_starts(hostapd_cli_commands[n].cmd, cmd))
print_cmd_help(stream, &hostapd_cli_commands[n], " ");
}
}
static void wpa_request(struct wpa_ctrl *ctrl, int argc, char *argv[])
{
const struct hostapd_cli_cmd *cmd, *match = NULL;
int count;
count = 0;
cmd = hostapd_cli_commands;
while (cmd->cmd) {
if (strncasecmp(cmd->cmd, argv[0], strlen(argv[0])) == 0) {
match = cmd;
if (os_strcasecmp(cmd->cmd, argv[0]) == 0) {
/* we have an exact match */
count = 1;
break;
}
count++;
}
cmd++;
}
if (count > 1) {
printf("Ambiguous command '%s'; possible commands:", argv[0]);
cmd = hostapd_cli_commands;
while (cmd->cmd) {
if (strncasecmp(cmd->cmd, argv[0], strlen(argv[0])) ==
0) {
printf(" %s", cmd->cmd);
}
cmd++;
}
printf("\n");
} else if (count == 0) {
printf("Unknown command '%s'\n", argv[0]);
} else {
match->handler(ctrl, argc - 1, &argv[1]);
}
}
static void cli_event(const char *str)
{
const char *start, *s;
start = os_strchr(str, '>');
if (start == NULL)
return;
start++;
if (str_starts(start, AP_STA_CONNECTED)) {
s = os_strchr(start, ' ');
if (s == NULL)
return;
cli_txt_list_add(&stations, s + 1);
return;
}
if (str_starts(start, AP_STA_DISCONNECTED)) {
s = os_strchr(start, ' ');
if (s == NULL)
return;
cli_txt_list_del_addr(&stations, s + 1);
return;
}
}
static void hostapd_cli_recv_pending(struct wpa_ctrl *ctrl, int in_read,
int action_monitor)
{
int first = 1;
if (ctrl_conn == NULL)
return;
while (wpa_ctrl_pending(ctrl)) {
char buf[4096];
size_t len = sizeof(buf) - 1;
if (wpa_ctrl_recv(ctrl, buf, &len) == 0) {
buf[len] = '\0';
if (action_monitor)
hostapd_cli_action_process(buf, len);
else {
cli_event(buf);
if (in_read && first)
printf("\n");
first = 0;
printf("%s\n", buf);
}
} else {
printf("Could not read pending message.\n");
break;
}
}
}
static void hostapd_cli_receive(int sock, void *eloop_ctx, void *sock_ctx)
{
hostapd_cli_recv_pending(ctrl_conn, 0, 0);
}
static void hostapd_cli_ping(void *eloop_ctx, void *timeout_ctx)
{
if (ctrl_conn && _wpa_ctrl_command(ctrl_conn, "PING", 0)) {
printf("Connection to hostapd lost - trying to reconnect\n");
hostapd_cli_close_connection();
}
if (!ctrl_conn && hostapd_cli_reconnect(ctrl_ifname) == 0)
printf("Connection to hostapd re-established\n");
if (ctrl_conn)
hostapd_cli_recv_pending(ctrl_conn, 1, 0);
eloop_register_timeout(ping_interval, 0, hostapd_cli_ping, NULL, NULL);
}
static void hostapd_cli_eloop_terminate(int sig, void *signal_ctx)
{
eloop_terminate();
}
static void hostapd_cli_edit_cmd_cb(void *ctx, char *cmd)
{
char *argv[max_args];
int argc;
argc = tokenize_cmd(cmd, argv);
if (argc)
wpa_request(ctrl_conn, argc, argv);
}
static void hostapd_cli_edit_eof_cb(void *ctx)
{
eloop_terminate();
}
static char ** list_cmd_list(void)
{
char **res;
int i, count;
count = ARRAY_SIZE(hostapd_cli_commands);
res = os_calloc(count + 1, sizeof(char *));
if (res == NULL)
return NULL;
for (i = 0; hostapd_cli_commands[i].cmd; i++) {
res[i] = os_strdup(hostapd_cli_commands[i].cmd);
if (res[i] == NULL)
break;
}
return res;
}
static char ** hostapd_cli_cmd_completion(const char *cmd, const char *str,
int pos)
{
int i;
for (i = 0; hostapd_cli_commands[i].cmd; i++) {
if (os_strcasecmp(hostapd_cli_commands[i].cmd, cmd) != 0)
continue;
if (hostapd_cli_commands[i].completion)
return hostapd_cli_commands[i].completion(str, pos);
if (!hostapd_cli_commands[i].usage)
return NULL;
edit_clear_line();
printf("\r%s\n", hostapd_cli_commands[i].usage);
edit_redraw();
break;
}
return NULL;
}
static char ** hostapd_cli_edit_completion_cb(void *ctx, const char *str,
int pos)
{
char **res;
const char *end;
char *cmd;
end = os_strchr(str, ' ');
if (end == NULL || str + pos < end)
return list_cmd_list();
cmd = os_malloc(pos + 1);
if (cmd == NULL)
return NULL;
os_memcpy(cmd, str, pos);
cmd[end - str] = '\0';
res = hostapd_cli_cmd_completion(cmd, str, pos);
os_free(cmd);
return res;
}
static void hostapd_cli_interactive(void)
{
char *hfile = NULL;
char *home;
printf("\nInteractive mode\n\n");
#ifdef CONFIG_HOSTAPD_CLI_HISTORY_DIR
home = CONFIG_HOSTAPD_CLI_HISTORY_DIR;
#else /* CONFIG_HOSTAPD_CLI_HISTORY_DIR */
home = getenv("HOME");
#endif /* CONFIG_HOSTAPD_CLI_HISTORY_DIR */
if (home) {
const char *fname = ".hostapd_cli_history";
int hfile_len = os_strlen(home) + 1 + os_strlen(fname) + 1;
hfile = os_malloc(hfile_len);
if (hfile)
os_snprintf(hfile, hfile_len, "%s/%s", home, fname);
}
eloop_register_signal_terminate(hostapd_cli_eloop_terminate, NULL);
edit_init(hostapd_cli_edit_cmd_cb, hostapd_cli_edit_eof_cb,
hostapd_cli_edit_completion_cb, NULL, hfile, NULL);
eloop_register_timeout(ping_interval, 0, hostapd_cli_ping, NULL, NULL);
eloop_run();
cli_txt_list_flush(&stations);
edit_deinit(hfile, NULL);
os_free(hfile);
eloop_cancel_timeout(hostapd_cli_ping, NULL, NULL);
}
static void hostapd_cli_cleanup(void)
{
hostapd_cli_close_connection();
if (pid_file)
os_daemonize_terminate(pid_file);
os_program_deinit();
}
static void hostapd_cli_action(struct wpa_ctrl *ctrl)
{
fd_set rfds;
int fd, res;
struct timeval tv;
char buf[256];
size_t len;
fd = wpa_ctrl_get_fd(ctrl);
while (!hostapd_cli_quit) {
FD_ZERO(&rfds);
FD_SET(fd, &rfds);
tv.tv_sec = ping_interval;
tv.tv_usec = 0;
res = select(fd + 1, &rfds, NULL, NULL, &tv);
if (res < 0 && errno != EINTR) {
perror("select");
break;
}
if (FD_ISSET(fd, &rfds))
hostapd_cli_recv_pending(ctrl, 0, 1);
else {
len = sizeof(buf) - 1;
if (wpa_ctrl_request(ctrl, "PING", 4, buf, &len,
hostapd_cli_action_process) < 0 ||
len < 4 || os_memcmp(buf, "PONG", 4) != 0) {
printf("hostapd did not reply to PING "
"command - exiting\n");
break;
}
}
}
}
int main(int argc, char *argv[])
{
int warning_displayed = 0;
int c;
int daemonize = 0;
if (os_program_init())
return -1;
for (;;) {
c = getopt(argc, argv, "a:BhG:i:p:P:s:v");
if (c < 0)
break;
switch (c) {
case 'a':
action_file = optarg;
break;
case 'B':
daemonize = 1;
break;
case 'G':
ping_interval = atoi(optarg);
break;
case 'h':
usage();
return 0;
case 'v':
printf("%s\n", hostapd_cli_version);
return 0;
case 'i':
os_free(ctrl_ifname);
ctrl_ifname = os_strdup(optarg);
break;
case 'p':
ctrl_iface_dir = optarg;
break;
case 'P':
pid_file = optarg;
break;
case 's':
client_socket_dir = optarg;
break;
default:
usage();
return -1;
}
}
interactive = (argc == optind) && (action_file == NULL);
if (interactive) {
printf("%s\n\n%s\n\n", hostapd_cli_version, cli_license);
}
if (eloop_init())
return -1;
for (;;) {
if (ctrl_ifname == NULL) {
struct dirent *dent;
DIR *dir = opendir(ctrl_iface_dir);
if (dir) {
while ((dent = readdir(dir))) {
if (os_strcmp(dent->d_name, ".") == 0
||
os_strcmp(dent->d_name, "..") == 0)
continue;
printf("Selected interface '%s'\n",
dent->d_name);
ctrl_ifname = os_strdup(dent->d_name);
break;
}
closedir(dir);
}
}
hostapd_cli_reconnect(ctrl_ifname);
if (ctrl_conn) {
if (warning_displayed)
printf("Connection established.\n");
break;
}
if (!interactive) {
perror("Failed to connect to hostapd - "
"wpa_ctrl_open");
return -1;
}
if (!warning_displayed) {
printf("Could not connect to hostapd - re-trying\n");
warning_displayed = 1;
}
os_sleep(1, 0);
continue;
}
if (action_file && !hostapd_cli_attached)
return -1;
if (daemonize && os_daemonize(pid_file) && eloop_sock_requeue())
return -1;
if (interactive)
hostapd_cli_interactive();
else if (action_file)
hostapd_cli_action(ctrl_conn);
else
wpa_request(ctrl_conn, argc - optind, &argv[optind]);
unregister_event_handler(ctrl_conn);
os_free(ctrl_ifname);
eloop_destroy();
hostapd_cli_cleanup();
return 0;
}
#else /* CONFIG_NO_CTRL_IFACE */
int main(int argc, char *argv[])
{
return -1;
}
#endif /* CONFIG_NO_CTRL_IFACE */