wpa_supplicant: Initial Revision 0.8.X

Based on:
commit 0725cc7b7efc434910e89865c42eda7ce61bbf08
Author: Jouni Malinen <j@w1.fi>
Date:   Thu Apr 21 20:41:01 2011 +0300

    Enable CONFIG_DRIVER_NL80211=y in the default configuration

    nl80211 should be preferred over WEXT with any recent Linux
    kernel version.

Change-Id: I26aec5afbbd4f4a1f5fd900912545b6f5050de64
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/wpa_supplicant/wpa_cli.c b/wpa_supplicant/wpa_cli.c
new file mode 100644
index 0000000..a1db53a
--- /dev/null
+++ b/wpa_supplicant/wpa_cli.c
@@ -0,0 +1,3296 @@
+/*
+ * WPA Supplicant - command line interface for wpa_supplicant daemon
+ * Copyright (c) 2004-2011, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#ifdef CONFIG_CTRL_IFACE
+
+#ifdef CONFIG_CTRL_IFACE_UNIX
+#include <dirent.h>
+#endif /* CONFIG_CTRL_IFACE_UNIX */
+
+#include "common/wpa_ctrl.h"
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "utils/edit.h"
+#include "common/version.h"
+#ifdef ANDROID
+#include <cutils/properties.h>
+#endif /* ANDROID */
+
+
+static const char *wpa_cli_version =
+"wpa_cli v" VERSION_STR "\n"
+"Copyright (c) 2004-2011, Jouni Malinen <j@w1.fi> and contributors";
+
+
+static const char *wpa_cli_license =
+"This program is free software. You can distribute it and/or modify it\n"
+"under the terms of the GNU General Public License version 2.\n"
+"\n"
+"Alternatively, this software may be distributed under the terms of the\n"
+"BSD license. See README and COPYING for more details.\n";
+
+static const char *wpa_cli_full_license =
+"This program is free software; you can redistribute it and/or modify\n"
+"it under the terms of the GNU General Public License version 2 as\n"
+"published by the Free Software Foundation.\n"
+"\n"
+"This program is distributed in the hope that it will be useful,\n"
+"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
+"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
+"GNU General Public License for more details.\n"
+"\n"
+"You should have received a copy of the GNU General Public License\n"
+"along with this program; if not, write to the Free Software\n"
+"Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA\n"
+"\n"
+"Alternatively, this software may be distributed under the terms of the\n"
+"BSD license.\n"
+"\n"
+"Redistribution and use in source and binary forms, with or without\n"
+"modification, are permitted provided that the following conditions are\n"
+"met:\n"
+"\n"
+"1. Redistributions of source code must retain the above copyright\n"
+"   notice, this list of conditions and the following disclaimer.\n"
+"\n"
+"2. Redistributions in binary form must reproduce the above copyright\n"
+"   notice, this list of conditions and the following disclaimer in the\n"
+"   documentation and/or other materials provided with the distribution.\n"
+"\n"
+"3. Neither the name(s) of the above-listed copyright holder(s) nor the\n"
+"   names of its contributors may be used to endorse or promote products\n"
+"   derived from this software without specific prior written permission.\n"
+"\n"
+"THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n"
+"\"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n"
+"LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n"
+"A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n"
+"OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n"
+"SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n"
+"LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n"
+"DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n"
+"THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n"
+"(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n"
+"OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n"
+"\n";
+
+static struct wpa_ctrl *ctrl_conn;
+static struct wpa_ctrl *mon_conn;
+static int wpa_cli_quit = 0;
+static int wpa_cli_attached = 0;
+static int wpa_cli_connected = 0;
+static int wpa_cli_last_id = 0;
+#ifndef CONFIG_CTRL_IFACE_DIR
+#define CONFIG_CTRL_IFACE_DIR "/var/run/wpa_supplicant"
+#endif /* CONFIG_CTRL_IFACE_DIR */
+static const char *ctrl_iface_dir = CONFIG_CTRL_IFACE_DIR;
+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 void print_help(void);
+static void wpa_cli_mon_receive(int sock, void *eloop_ctx, void *sock_ctx);
+
+
+static void usage(void)
+{
+	printf("wpa_cli [-p<path to ctrl sockets>] [-i<ifname>] [-hvB] "
+	       "[-a<action file>] \\\n"
+	       "        [-P<pid file>] [-g<global ctrl>] [-G<ping interval>]  "
+	       "[command..]\n"
+	       "  -h = help (show this usage text)\n"
+	       "  -v = shown version information\n"
+	       "  -a = run in daemon mode executing the action file based on "
+	       "events from\n"
+	       "       wpa_supplicant\n"
+	       "  -B = run a daemon in the background\n"
+	       "  default path: " CONFIG_CTRL_IFACE_DIR "\n"
+	       "  default interface: first interface found in socket path\n");
+	print_help();
+}
+
+
+static int str_starts(const char *src, const char *match)
+{
+	return os_strncmp(src, match, os_strlen(match)) == 0;
+}
+
+
+static int wpa_cli_show_event(const char *event)
+{
+	const char *start;
+
+	start = os_strchr(event, '>');
+	if (start == NULL)
+		return 1;
+
+	start++;
+	/*
+	 * Skip BSS added/removed events since they can be relatively frequent
+	 * and are likely of not much use for an interactive user.
+	 */
+	if (str_starts(start, WPA_EVENT_BSS_ADDED) ||
+	    str_starts(start, WPA_EVENT_BSS_REMOVED))
+		return 0;
+
+	return 1;
+}
+
+
+static int wpa_cli_open_connection(const char *ifname, int attach)
+{
+#if defined(CONFIG_CTRL_IFACE_UDP) || defined(CONFIG_CTRL_IFACE_NAMED_PIPE)
+	ctrl_conn = wpa_ctrl_open(ifname);
+	if (ctrl_conn == NULL)
+		return -1;
+
+	if (attach && interactive)
+		mon_conn = wpa_ctrl_open(ifname);
+	else
+		mon_conn = NULL;
+#else /* CONFIG_CTRL_IFACE_UDP || CONFIG_CTRL_IFACE_NAMED_PIPE */
+	char *cfile = NULL;
+	int flen, res;
+
+	if (ifname == NULL)
+		return -1;
+
+#ifdef ANDROID
+	if (access(ctrl_iface_dir, F_OK) < 0) {
+		cfile = os_strdup(ifname);
+		if (cfile == NULL)
+			return -1;
+	}
+#endif /* ANDROID */
+
+	if (cfile == NULL) {
+		flen = os_strlen(ctrl_iface_dir) + os_strlen(ifname) + 2;
+		cfile = os_malloc(flen);
+		if (cfile == NULL)
+			return -1;
+		res = os_snprintf(cfile, flen, "%s/%s", ctrl_iface_dir,
+				  ifname);
+		if (res < 0 || res >= flen) {
+			os_free(cfile);
+			return -1;
+		}
+	}
+
+	ctrl_conn = wpa_ctrl_open(cfile);
+	if (ctrl_conn == NULL) {
+		os_free(cfile);
+		return -1;
+	}
+
+	if (attach && interactive)
+		mon_conn = wpa_ctrl_open(cfile);
+	else
+		mon_conn = NULL;
+	os_free(cfile);
+#endif /* CONFIG_CTRL_IFACE_UDP || CONFIG_CTRL_IFACE_NAMED_PIPE */
+
+	if (mon_conn) {
+		if (wpa_ctrl_attach(mon_conn) == 0) {
+			wpa_cli_attached = 1;
+			if (interactive)
+				eloop_register_read_sock(
+					wpa_ctrl_get_fd(mon_conn),
+					wpa_cli_mon_receive, NULL, NULL);
+		} else {
+			printf("Warning: Failed to attach to "
+			       "wpa_supplicant.\n");
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+
+static void wpa_cli_close_connection(void)
+{
+	if (ctrl_conn == NULL)
+		return;
+
+	if (wpa_cli_attached) {
+		wpa_ctrl_detach(interactive ? mon_conn : ctrl_conn);
+		wpa_cli_attached = 0;
+	}
+	wpa_ctrl_close(ctrl_conn);
+	ctrl_conn = NULL;
+	if (mon_conn) {
+		eloop_unregister_read_sock(wpa_ctrl_get_fd(mon_conn));
+		wpa_ctrl_close(mon_conn);
+		mon_conn = NULL;
+	}
+}
+
+
+static void wpa_cli_msg_cb(char *msg, size_t len)
+{
+	printf("%s\n", msg);
+}
+
+
+static int _wpa_ctrl_command(struct wpa_ctrl *ctrl, char *cmd, int print)
+{
+	char buf[2048];
+	size_t len;
+	int ret;
+
+	if (ctrl_conn == NULL) {
+		printf("Not connected to wpa_supplicant - command dropped.\n");
+		return -1;
+	}
+	len = sizeof(buf) - 1;
+	ret = wpa_ctrl_request(ctrl, cmd, os_strlen(cmd), buf, &len,
+			       wpa_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);
+		if (interactive && len > 0 && buf[len - 1] != '\n')
+			printf("\n");
+	}
+	return 0;
+}
+
+
+static int wpa_ctrl_command(struct wpa_ctrl *ctrl, char *cmd)
+{
+	return _wpa_ctrl_command(ctrl, cmd, 1);
+}
+
+
+static int wpa_cli_cmd_status(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	int verbose = argc > 0 && os_strcmp(argv[0], "verbose") == 0;
+	return wpa_ctrl_command(ctrl, verbose ? "STATUS-VERBOSE" : "STATUS");
+}
+
+
+static int wpa_cli_cmd_ping(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "PING");
+}
+
+
+static int wpa_cli_cmd_relog(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "RELOG");
+}
+
+
+static int wpa_cli_cmd_note(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char cmd[256];
+	int ret;
+	if (argc == 0)
+		return -1;
+	ret = os_snprintf(cmd, sizeof(cmd), "NOTE %s", argv[0]);
+	if (ret < 0 || (size_t) ret >= sizeof(cmd))
+		return -1;
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_mib(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "MIB");
+}
+
+
+static int wpa_cli_cmd_pmksa(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "PMKSA");
+}
+
+
+static int wpa_cli_cmd_help(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	print_help();
+	return 0;
+}
+
+
+static int wpa_cli_cmd_license(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	printf("%s\n\n%s\n", wpa_cli_version, wpa_cli_full_license);
+	return 0;
+}
+
+
+static int wpa_cli_cmd_quit(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	wpa_cli_quit = 1;
+	if (interactive)
+		eloop_terminate();
+	return 0;
+}
+
+
+static void wpa_cli_show_variables(void)
+{
+	printf("set variables:\n"
+	       "  EAPOL::heldPeriod (EAPOL state machine held period, "
+	       "in seconds)\n"
+	       "  EAPOL::authPeriod (EAPOL state machine authentication "
+	       "period, in seconds)\n"
+	       "  EAPOL::startPeriod (EAPOL state machine start period, in "
+	       "seconds)\n"
+	       "  EAPOL::maxStart (EAPOL state machine maximum start "
+	       "attempts)\n");
+	printf("  dot11RSNAConfigPMKLifetime (WPA/WPA2 PMK lifetime in "
+	       "seconds)\n"
+	       "  dot11RSNAConfigPMKReauthThreshold (WPA/WPA2 reauthentication"
+	       " threshold\n\tpercentage)\n"
+	       "  dot11RSNAConfigSATimeout (WPA/WPA2 timeout for completing "
+	       "security\n\tassociation in seconds)\n");
+}
+
+
+static int wpa_cli_cmd_set(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc == 0) {
+		wpa_cli_show_variables();
+		return 0;
+	}
+
+	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 (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long SET command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_get(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid GET command: need one argument (variable "
+		       "name)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "GET %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long GET command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_logoff(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "LOGOFF");
+}
+
+
+static int wpa_cli_cmd_logon(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "LOGON");
+}
+
+
+static int wpa_cli_cmd_reassociate(struct wpa_ctrl *ctrl, int argc,
+				   char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "REASSOCIATE");
+}
+
+
+static int wpa_cli_cmd_preauthenticate(struct wpa_ctrl *ctrl, int argc,
+				       char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid PREAUTH command: needs one argument "
+		       "(BSSID)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "PREAUTH %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long PREAUTH command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_ap_scan(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid AP_SCAN command: needs one argument (ap_scan "
+		       "value)\n");
+		return -1;
+	}
+	res = os_snprintf(cmd, sizeof(cmd), "AP_SCAN %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long AP_SCAN command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_scan_interval(struct wpa_ctrl *ctrl, int argc,
+				     char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid SCAN_INTERVAL command: needs one argument "
+		       "scan_interval value)\n");
+		return -1;
+	}
+	res = os_snprintf(cmd, sizeof(cmd), "SCAN_INTERVAL %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long SCAN_INTERVAL command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_bss_expire_age(struct wpa_ctrl *ctrl, int argc,
+				      char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid BSS_EXPIRE_AGE command: needs one argument "
+		       "(bss_expire_age value)\n");
+		return -1;
+	}
+	res = os_snprintf(cmd, sizeof(cmd), "BSS_EXPIRE_AGE %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long BSS_EXPIRE_AGE command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_bss_expire_count(struct wpa_ctrl *ctrl, int argc,
+				        char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid BSS_EXPIRE_COUNT command: needs one argument "
+		       "(bss_expire_count value)\n");
+		return -1;
+	}
+	res = os_snprintf(cmd, sizeof(cmd), "BSS_EXPIRE_COUNT %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long BSS_EXPIRE_COUNT command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_stkstart(struct wpa_ctrl *ctrl, int argc,
+				char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid STKSTART command: needs one argument "
+		       "(Peer STA MAC address)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "STKSTART %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long STKSTART command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_ft_ds(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid FT_DS command: needs one argument "
+		       "(Target AP MAC address)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "FT_DS %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long FT_DS command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_wps_pbc(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc == 0) {
+		/* Any BSSID */
+		return wpa_ctrl_command(ctrl, "WPS_PBC");
+	}
+
+	/* Specific BSSID */
+	res = os_snprintf(cmd, sizeof(cmd), "WPS_PBC %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long WPS_PBC command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_wps_pin(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc == 0) {
+		printf("Invalid WPS_PIN command: need one or two arguments:\n"
+		       "- BSSID: use 'any' to select any\n"
+		       "- PIN: optional, used only with devices that have no "
+		       "display\n");
+		return -1;
+	}
+
+	if (argc == 1) {
+		/* Use dynamically generated PIN (returned as reply) */
+		res = os_snprintf(cmd, sizeof(cmd), "WPS_PIN %s", argv[0]);
+		if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+			printf("Too long WPS_PIN command.\n");
+			return -1;
+		}
+		return wpa_ctrl_command(ctrl, cmd);
+	}
+
+	/* Use hardcoded PIN from a label */
+	res = os_snprintf(cmd, sizeof(cmd), "WPS_PIN %s %s", argv[0], argv[1]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long WPS_PIN command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_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 (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long WPS_CHECK_PIN command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_wps_cancel(struct wpa_ctrl *ctrl, int argc,
+				  char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "WPS_CANCEL");
+}
+
+
+#ifdef CONFIG_WPS_OOB
+static int wpa_cli_cmd_wps_oob(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc != 3 && argc != 4) {
+		printf("Invalid WPS_OOB command: need three or four "
+		       "arguments:\n"
+		       "- DEV_TYPE: use 'ufd' or 'nfc'\n"
+		       "- PATH: path of OOB device like '/mnt'\n"
+		       "- METHOD: OOB method 'pin-e' or 'pin-r', "
+		       "'cred'\n"
+		       "- DEV_NAME: (only for NFC) device name like "
+		       "'pn531'\n");
+		return -1;
+	}
+
+	if (argc == 3)
+		res = os_snprintf(cmd, sizeof(cmd), "WPS_OOB %s %s %s",
+				  argv[0], argv[1], argv[2]);
+	else
+		res = os_snprintf(cmd, sizeof(cmd), "WPS_OOB %s %s %s %s",
+				  argv[0], argv[1], argv[2], argv[3]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long WPS_OOB command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+#endif /* CONFIG_WPS_OOB */
+
+
+static int wpa_cli_cmd_wps_reg(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc == 2)
+		res = os_snprintf(cmd, sizeof(cmd), "WPS_REG %s %s",
+				  argv[0], argv[1]);
+	else if (argc == 5 || argc == 6) {
+		char ssid_hex[2 * 32 + 1];
+		char key_hex[2 * 64 + 1];
+		int i;
+
+		ssid_hex[0] = '\0';
+		for (i = 0; i < 32; i++) {
+			if (argv[2][i] == '\0')
+				break;
+			os_snprintf(&ssid_hex[i * 2], 3, "%02x", argv[2][i]);
+		}
+
+		key_hex[0] = '\0';
+		if (argc == 6) {
+			for (i = 0; i < 64; i++) {
+				if (argv[5][i] == '\0')
+					break;
+				os_snprintf(&key_hex[i * 2], 3, "%02x",
+					    argv[5][i]);
+			}
+		}
+
+		res = os_snprintf(cmd, sizeof(cmd),
+				  "WPS_REG %s %s %s %s %s %s",
+				  argv[0], argv[1], ssid_hex, argv[3], argv[4],
+				  key_hex);
+	} else {
+		printf("Invalid WPS_REG command: need two arguments:\n"
+		       "- BSSID of the target AP\n"
+		       "- AP PIN\n");
+		printf("Alternatively, six arguments can be used to "
+		       "reconfigure the AP:\n"
+		       "- BSSID of the target AP\n"
+		       "- AP PIN\n"
+		       "- new SSID\n"
+		       "- new auth (OPEN, WPAPSK, WPA2PSK)\n"
+		       "- new encr (NONE, WEP, TKIP, CCMP)\n"
+		       "- new key\n");
+		return -1;
+	}
+
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long WPS_REG command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_wps_ap_pin(struct wpa_ctrl *ctrl, int argc,
+				  char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc < 1) {
+		printf("Invalid WPS_AP_PIN command: needs at least one "
+		       "argument\n");
+		return -1;
+	}
+
+	if (argc > 2)
+		res = os_snprintf(cmd, sizeof(cmd), "WPS_AP_PIN %s %s %s",
+				  argv[0], argv[1], argv[2]);
+	else if (argc > 1)
+		res = os_snprintf(cmd, sizeof(cmd), "WPS_AP_PIN %s %s",
+				  argv[0], argv[1]);
+	else
+		res = os_snprintf(cmd, sizeof(cmd), "WPS_AP_PIN %s",
+				  argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long WPS_AP_PIN command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_wps_er_start(struct wpa_ctrl *ctrl, int argc,
+				    char *argv[])
+{
+	char cmd[100];
+	if (argc > 0) {
+		os_snprintf(cmd, sizeof(cmd), "WPS_ER_START %s", argv[0]);
+		return wpa_ctrl_command(ctrl, cmd);
+	}
+	return wpa_ctrl_command(ctrl, "WPS_ER_START");
+}
+
+
+static int wpa_cli_cmd_wps_er_stop(struct wpa_ctrl *ctrl, int argc,
+				   char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "WPS_ER_STOP");
+
+}
+
+
+static int wpa_cli_cmd_wps_er_pin(struct wpa_ctrl *ctrl, int argc,
+				  char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc < 2) {
+		printf("Invalid WPS_ER_PIN command: need at least two "
+		       "arguments:\n"
+		       "- UUID: use 'any' to select any\n"
+		       "- PIN: Enrollee PIN\n"
+		       "optional: - Enrollee MAC address\n");
+		return -1;
+	}
+
+	if (argc > 2)
+		res = os_snprintf(cmd, sizeof(cmd), "WPS_ER_PIN %s %s %s",
+				  argv[0], argv[1], argv[2]);
+	else
+		res = os_snprintf(cmd, sizeof(cmd), "WPS_ER_PIN %s %s",
+				  argv[0], argv[1]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long WPS_ER_PIN command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_wps_er_pbc(struct wpa_ctrl *ctrl, int argc,
+				  char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid WPS_ER_PBC command: need one argument:\n"
+		       "- UUID: Specify the Enrollee\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "WPS_ER_PBC %s",
+			  argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long WPS_ER_PBC command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_wps_er_learn(struct wpa_ctrl *ctrl, int argc,
+				    char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc != 2) {
+		printf("Invalid WPS_ER_LEARN command: need two arguments:\n"
+		       "- UUID: specify which AP to use\n"
+		       "- PIN: AP PIN\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "WPS_ER_LEARN %s %s",
+			  argv[0], argv[1]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long WPS_ER_LEARN command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_wps_er_set_config(struct wpa_ctrl *ctrl, int argc,
+					 char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc != 2) {
+		printf("Invalid WPS_ER_SET_CONFIG command: need two "
+		       "arguments:\n"
+		       "- UUID: specify which AP to use\n"
+		       "- Network configuration id\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "WPS_ER_SET_CONFIG %s %s",
+			  argv[0], argv[1]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long WPS_ER_SET_CONFIG command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_wps_er_config(struct wpa_ctrl *ctrl, int argc,
+				     char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc == 5 || argc == 6) {
+		char ssid_hex[2 * 32 + 1];
+		char key_hex[2 * 64 + 1];
+		int i;
+
+		ssid_hex[0] = '\0';
+		for (i = 0; i < 32; i++) {
+			if (argv[2][i] == '\0')
+				break;
+			os_snprintf(&ssid_hex[i * 2], 3, "%02x", argv[2][i]);
+		}
+
+		key_hex[0] = '\0';
+		if (argc == 6) {
+			for (i = 0; i < 64; i++) {
+				if (argv[5][i] == '\0')
+					break;
+				os_snprintf(&key_hex[i * 2], 3, "%02x",
+					    argv[5][i]);
+			}
+		}
+
+		res = os_snprintf(cmd, sizeof(cmd),
+				  "WPS_ER_CONFIG %s %s %s %s %s %s",
+				  argv[0], argv[1], ssid_hex, argv[3], argv[4],
+				  key_hex);
+	} else {
+		printf("Invalid WPS_ER_CONFIG command: need six arguments:\n"
+		       "- AP UUID\n"
+		       "- AP PIN\n"
+		       "- new SSID\n"
+		       "- new auth (OPEN, WPAPSK, WPA2PSK)\n"
+		       "- new encr (NONE, WEP, TKIP, CCMP)\n"
+		       "- new key\n");
+		return -1;
+	}
+
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long WPS_ER_CONFIG command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_ibss_rsn(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid IBSS_RSN command: needs one argument "
+		       "(Peer STA MAC address)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "IBSS_RSN %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long IBSS_RSN command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_level(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid LEVEL command: needs one argument (debug "
+		       "level)\n");
+		return -1;
+	}
+	res = os_snprintf(cmd, sizeof(cmd), "LEVEL %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long LEVEL command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_identity(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char cmd[256], *pos, *end;
+	int i, ret;
+
+	if (argc < 2) {
+		printf("Invalid IDENTITY command: needs two arguments "
+		       "(network id and identity)\n");
+		return -1;
+	}
+
+	end = cmd + sizeof(cmd);
+	pos = cmd;
+	ret = os_snprintf(pos, end - pos, WPA_CTRL_RSP "IDENTITY-%s:%s",
+			  argv[0], argv[1]);
+	if (ret < 0 || ret >= end - pos) {
+		printf("Too long IDENTITY command.\n");
+		return -1;
+	}
+	pos += ret;
+	for (i = 2; i < argc; i++) {
+		ret = os_snprintf(pos, end - pos, " %s", argv[i]);
+		if (ret < 0 || ret >= end - pos) {
+			printf("Too long IDENTITY command.\n");
+			return -1;
+		}
+		pos += ret;
+	}
+
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_password(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char cmd[256], *pos, *end;
+	int i, ret;
+
+	if (argc < 2) {
+		printf("Invalid PASSWORD command: needs two arguments "
+		       "(network id and password)\n");
+		return -1;
+	}
+
+	end = cmd + sizeof(cmd);
+	pos = cmd;
+	ret = os_snprintf(pos, end - pos, WPA_CTRL_RSP "PASSWORD-%s:%s",
+			  argv[0], argv[1]);
+	if (ret < 0 || ret >= end - pos) {
+		printf("Too long PASSWORD command.\n");
+		return -1;
+	}
+	pos += ret;
+	for (i = 2; i < argc; i++) {
+		ret = os_snprintf(pos, end - pos, " %s", argv[i]);
+		if (ret < 0 || ret >= end - pos) {
+			printf("Too long PASSWORD command.\n");
+			return -1;
+		}
+		pos += ret;
+	}
+
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_new_password(struct wpa_ctrl *ctrl, int argc,
+				    char *argv[])
+{
+	char cmd[256], *pos, *end;
+	int i, ret;
+
+	if (argc < 2) {
+		printf("Invalid NEW_PASSWORD command: needs two arguments "
+		       "(network id and password)\n");
+		return -1;
+	}
+
+	end = cmd + sizeof(cmd);
+	pos = cmd;
+	ret = os_snprintf(pos, end - pos, WPA_CTRL_RSP "NEW_PASSWORD-%s:%s",
+			  argv[0], argv[1]);
+	if (ret < 0 || ret >= end - pos) {
+		printf("Too long NEW_PASSWORD command.\n");
+		return -1;
+	}
+	pos += ret;
+	for (i = 2; i < argc; i++) {
+		ret = os_snprintf(pos, end - pos, " %s", argv[i]);
+		if (ret < 0 || ret >= end - pos) {
+			printf("Too long NEW_PASSWORD command.\n");
+			return -1;
+		}
+		pos += ret;
+	}
+
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_pin(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char cmd[256], *pos, *end;
+	int i, ret;
+
+	if (argc < 2) {
+		printf("Invalid PIN command: needs two arguments "
+		       "(network id and pin)\n");
+		return -1;
+	}
+
+	end = cmd + sizeof(cmd);
+	pos = cmd;
+	ret = os_snprintf(pos, end - pos, WPA_CTRL_RSP "PIN-%s:%s",
+			  argv[0], argv[1]);
+	if (ret < 0 || ret >= end - pos) {
+		printf("Too long PIN command.\n");
+		return -1;
+	}
+	pos += ret;
+	for (i = 2; i < argc; i++) {
+		ret = os_snprintf(pos, end - pos, " %s", argv[i]);
+		if (ret < 0 || ret >= end - pos) {
+			printf("Too long PIN command.\n");
+			return -1;
+		}
+		pos += ret;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_otp(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char cmd[256], *pos, *end;
+	int i, ret;
+
+	if (argc < 2) {
+		printf("Invalid OTP command: needs two arguments (network "
+		       "id and password)\n");
+		return -1;
+	}
+
+	end = cmd + sizeof(cmd);
+	pos = cmd;
+	ret = os_snprintf(pos, end - pos, WPA_CTRL_RSP "OTP-%s:%s",
+			  argv[0], argv[1]);
+	if (ret < 0 || ret >= end - pos) {
+		printf("Too long OTP command.\n");
+		return -1;
+	}
+	pos += ret;
+	for (i = 2; i < argc; i++) {
+		ret = os_snprintf(pos, end - pos, " %s", argv[i]);
+		if (ret < 0 || ret >= end - pos) {
+			printf("Too long OTP command.\n");
+			return -1;
+		}
+		pos += ret;
+	}
+
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_passphrase(struct wpa_ctrl *ctrl, int argc,
+				  char *argv[])
+{
+	char cmd[256], *pos, *end;
+	int i, ret;
+
+	if (argc < 2) {
+		printf("Invalid PASSPHRASE command: needs two arguments "
+		       "(network id and passphrase)\n");
+		return -1;
+	}
+
+	end = cmd + sizeof(cmd);
+	pos = cmd;
+	ret = os_snprintf(pos, end - pos, WPA_CTRL_RSP "PASSPHRASE-%s:%s",
+			  argv[0], argv[1]);
+	if (ret < 0 || ret >= end - pos) {
+		printf("Too long PASSPHRASE command.\n");
+		return -1;
+	}
+	pos += ret;
+	for (i = 2; i < argc; i++) {
+		ret = os_snprintf(pos, end - pos, " %s", argv[i]);
+		if (ret < 0 || ret >= end - pos) {
+			printf("Too long PASSPHRASE command.\n");
+			return -1;
+		}
+		pos += ret;
+	}
+
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_bssid(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char cmd[256], *pos, *end;
+	int i, ret;
+
+	if (argc < 2) {
+		printf("Invalid BSSID command: needs two arguments (network "
+		       "id and BSSID)\n");
+		return -1;
+	}
+
+	end = cmd + sizeof(cmd);
+	pos = cmd;
+	ret = os_snprintf(pos, end - pos, "BSSID");
+	if (ret < 0 || ret >= end - pos) {
+		printf("Too long BSSID command.\n");
+		return -1;
+	}
+	pos += ret;
+	for (i = 0; i < argc; i++) {
+		ret = os_snprintf(pos, end - pos, " %s", argv[i]);
+		if (ret < 0 || ret >= end - pos) {
+			printf("Too long BSSID command.\n");
+			return -1;
+		}
+		pos += ret;
+	}
+
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_list_networks(struct wpa_ctrl *ctrl, int argc,
+				     char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "LIST_NETWORKS");
+}
+
+
+static int wpa_cli_cmd_select_network(struct wpa_ctrl *ctrl, int argc,
+				      char *argv[])
+{
+	char cmd[32];
+	int res;
+
+	if (argc < 1) {
+		printf("Invalid SELECT_NETWORK command: needs one argument "
+		       "(network id)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "SELECT_NETWORK %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_enable_network(struct wpa_ctrl *ctrl, int argc,
+				      char *argv[])
+{
+	char cmd[32];
+	int res;
+
+	if (argc < 1) {
+		printf("Invalid ENABLE_NETWORK command: needs one argument "
+		       "(network id)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "ENABLE_NETWORK %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_disable_network(struct wpa_ctrl *ctrl, int argc,
+				       char *argv[])
+{
+	char cmd[32];
+	int res;
+
+	if (argc < 1) {
+		printf("Invalid DISABLE_NETWORK command: needs one argument "
+		       "(network id)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "DISABLE_NETWORK %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_add_network(struct wpa_ctrl *ctrl, int argc,
+				   char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "ADD_NETWORK");
+}
+
+
+static int wpa_cli_cmd_remove_network(struct wpa_ctrl *ctrl, int argc,
+				      char *argv[])
+{
+	char cmd[32];
+	int res;
+
+	if (argc < 1) {
+		printf("Invalid REMOVE_NETWORK command: needs one argument "
+		       "(network id)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "REMOVE_NETWORK %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static void wpa_cli_show_network_variables(void)
+{
+	printf("set_network variables:\n"
+	       "  ssid (network name, SSID)\n"
+	       "  psk (WPA passphrase or pre-shared key)\n"
+	       "  key_mgmt (key management protocol)\n"
+	       "  identity (EAP identity)\n"
+	       "  password (EAP password)\n"
+	       "  ...\n"
+	       "\n"
+	       "Note: Values are entered in the same format as the "
+	       "configuration file is using,\n"
+	       "i.e., strings values need to be inside double quotation "
+	       "marks.\n"
+	       "For example: set_network 1 ssid \"network name\"\n"
+	       "\n"
+	       "Please see wpa_supplicant.conf documentation for full list "
+	       "of\navailable variables.\n");
+}
+
+
+static int wpa_cli_cmd_set_network(struct wpa_ctrl *ctrl, int argc,
+				   char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc == 0) {
+		wpa_cli_show_network_variables();
+		return 0;
+	}
+
+	if (argc != 3) {
+		printf("Invalid SET_NETWORK command: needs three arguments\n"
+		       "(network id, variable name, and value)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "SET_NETWORK %s %s %s",
+			  argv[0], argv[1], argv[2]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long SET_NETWORK command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_get_network(struct wpa_ctrl *ctrl, int argc,
+				   char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc == 0) {
+		wpa_cli_show_network_variables();
+		return 0;
+	}
+
+	if (argc != 2) {
+		printf("Invalid GET_NETWORK command: needs two arguments\n"
+		       "(network id and variable name)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "GET_NETWORK %s %s",
+			  argv[0], argv[1]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long GET_NETWORK command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_disconnect(struct wpa_ctrl *ctrl, int argc,
+				  char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "DISCONNECT");
+}
+
+
+static int wpa_cli_cmd_reconnect(struct wpa_ctrl *ctrl, int argc,
+				  char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "RECONNECT");
+}
+
+
+static int wpa_cli_cmd_save_config(struct wpa_ctrl *ctrl, int argc,
+				   char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "SAVE_CONFIG");
+}
+
+
+static int wpa_cli_cmd_scan(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "SCAN");
+}
+
+
+static int wpa_cli_cmd_scan_results(struct wpa_ctrl *ctrl, int argc,
+				    char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "SCAN_RESULTS");
+}
+
+
+static int wpa_cli_cmd_bss(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char cmd[64];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid BSS command: need one argument (index or "
+		       "BSSID)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "BSS %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_get_capability(struct wpa_ctrl *ctrl, int argc,
+				      char *argv[])
+{
+	char cmd[64];
+	int res;
+
+	if (argc < 1 || argc > 2) {
+		printf("Invalid GET_CAPABILITY command: need either one or "
+		       "two arguments\n");
+		return -1;
+	}
+
+	if ((argc == 2) && os_strcmp(argv[1], "strict") != 0) {
+		printf("Invalid GET_CAPABILITY command: second argument, "
+		       "if any, must be 'strict'\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "GET_CAPABILITY %s%s", argv[0],
+			  (argc == 2) ? " strict" : "");
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_list_interfaces(struct wpa_ctrl *ctrl)
+{
+	printf("Available interfaces:\n");
+	return wpa_ctrl_command(ctrl, "INTERFACES");
+}
+
+
+static int wpa_cli_cmd_interface(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	if (argc < 1) {
+		wpa_cli_list_interfaces(ctrl);
+		return 0;
+	}
+
+	wpa_cli_close_connection();
+	os_free(ctrl_ifname);
+	ctrl_ifname = os_strdup(argv[0]);
+
+	if (wpa_cli_open_connection(ctrl_ifname, 1)) {
+		printf("Connected to interface '%s.\n", ctrl_ifname);
+	} else {
+		printf("Could not connect to interface '%s' - re-trying\n",
+		       ctrl_ifname);
+	}
+	return 0;
+}
+
+
+static int wpa_cli_cmd_reconfigure(struct wpa_ctrl *ctrl, int argc,
+				   char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "RECONFIGURE");
+}
+
+
+static int wpa_cli_cmd_terminate(struct wpa_ctrl *ctrl, int argc,
+				 char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "TERMINATE");
+}
+
+
+static int wpa_cli_cmd_interface_add(struct wpa_ctrl *ctrl, int argc,
+				     char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc < 1) {
+		printf("Invalid INTERFACE_ADD command: needs at least one "
+		       "argument (interface name)\n"
+		       "All arguments: ifname confname driver ctrl_interface "
+		       "driver_param bridge_name\n");
+		return -1;
+	}
+
+	/*
+	 * INTERFACE_ADD <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB
+	 * <driver_param>TAB<bridge_name>
+	 */
+	res = os_snprintf(cmd, sizeof(cmd),
+			  "INTERFACE_ADD %s\t%s\t%s\t%s\t%s\t%s",
+			  argv[0],
+			  argc > 1 ? argv[1] : "", argc > 2 ? argv[2] : "",
+			  argc > 3 ? argv[3] : "", argc > 4 ? argv[4] : "",
+			  argc > 5 ? argv[5] : "");
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_interface_remove(struct wpa_ctrl *ctrl, int argc,
+					char *argv[])
+{
+	char cmd[128];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid INTERFACE_REMOVE command: needs one argument "
+		       "(interface name)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "INTERFACE_REMOVE %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_interface_list(struct wpa_ctrl *ctrl, int argc,
+				      char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "INTERFACE_LIST");
+}
+
+
+#ifdef CONFIG_AP
+static int wpa_cli_cmd_sta(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char buf[64];
+	if (argc != 1) {
+		printf("Invalid 'sta' command - exactly one argument, STA "
+		       "address, is required.\n");
+		return -1;
+	}
+	os_snprintf(buf, sizeof(buf), "STA %s", argv[0]);
+	return wpa_ctrl_command(ctrl, buf);
+}
+
+
+static int wpa_ctrl_command_sta(struct wpa_ctrl *ctrl, char *cmd,
+				char *addr, size_t addr_len)
+{
+	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,
+			       wpa_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;
+	printf("%s", buf);
+
+	pos = buf;
+	while (*pos != '\0' && *pos != '\n')
+		pos++;
+	*pos = '\0';
+	os_strlcpy(addr, buf, addr_len);
+	return 0;
+}
+
+
+static int wpa_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)))
+		return 0;
+	do {
+		os_snprintf(cmd, sizeof(cmd), "STA-NEXT %s", addr);
+	} while (wpa_ctrl_command_sta(ctrl, cmd, addr, sizeof(addr)) == 0);
+
+	return -1;
+}
+#endif /* CONFIG_AP */
+
+
+static int wpa_cli_cmd_suspend(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "SUSPEND");
+}
+
+
+static int wpa_cli_cmd_resume(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "RESUME");
+}
+
+
+static int wpa_cli_cmd_drop_sa(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "DROP_SA");
+}
+
+
+static int wpa_cli_cmd_roam(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char cmd[128];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid ROAM command: needs one argument "
+		       "(target AP's BSSID)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "ROAM %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long ROAM command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+#ifdef CONFIG_P2P
+
+static int wpa_cli_cmd_p2p_find(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char cmd[128];
+	int res;
+
+	if (argc == 0)
+		return wpa_ctrl_command(ctrl, "P2P_FIND");
+
+	if (argc > 1)
+		res = os_snprintf(cmd, sizeof(cmd), "P2P_FIND %s %s",
+				  argv[0], argv[1]);
+	else
+		res = os_snprintf(cmd, sizeof(cmd), "P2P_FIND %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_p2p_stop_find(struct wpa_ctrl *ctrl, int argc,
+				     char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "P2P_STOP_FIND");
+}
+
+
+static int wpa_cli_cmd_p2p_connect(struct wpa_ctrl *ctrl, int argc,
+				   char *argv[])
+{
+	char cmd[128];
+	int res;
+
+	if (argc < 2) {
+		printf("Invalid P2P_CONNECT command: needs at least two "
+		       "arguments (address and pbc/PIN)\n");
+		return -1;
+	}
+
+	if (argc > 4)
+		res = os_snprintf(cmd, sizeof(cmd),
+				  "P2P_CONNECT %s %s %s %s %s",
+				  argv[0], argv[1], argv[2], argv[3],
+				  argv[4]);
+	else if (argc > 3)
+		res = os_snprintf(cmd, sizeof(cmd), "P2P_CONNECT %s %s %s %s",
+				  argv[0], argv[1], argv[2], argv[3]);
+	else if (argc > 2)
+		res = os_snprintf(cmd, sizeof(cmd), "P2P_CONNECT %s %s %s",
+				  argv[0], argv[1], argv[2]);
+	else
+		res = os_snprintf(cmd, sizeof(cmd), "P2P_CONNECT %s %s",
+				  argv[0], argv[1]);
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_p2p_listen(struct wpa_ctrl *ctrl, int argc,
+				  char *argv[])
+{
+	char cmd[128];
+	int res;
+
+	if (argc == 0)
+		return wpa_ctrl_command(ctrl, "P2P_LISTEN");
+
+	res = os_snprintf(cmd, sizeof(cmd), "P2P_LISTEN %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_p2p_group_remove(struct wpa_ctrl *ctrl, int argc,
+					char *argv[])
+{
+	char cmd[128];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid P2P_GROUP_REMOVE command: needs one argument "
+		       "(interface name)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "P2P_GROUP_REMOVE %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_p2p_group_add(struct wpa_ctrl *ctrl, int argc,
+					char *argv[])
+{
+	char cmd[128];
+	int res;
+
+	if (argc == 0)
+		return wpa_ctrl_command(ctrl, "P2P_GROUP_ADD");
+
+	res = os_snprintf(cmd, sizeof(cmd), "P2P_GROUP_ADD %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_p2p_prov_disc(struct wpa_ctrl *ctrl, int argc,
+				     char *argv[])
+{
+	char cmd[128];
+	int res;
+
+	if (argc != 2) {
+		printf("Invalid P2P_PROV_DISC command: needs two arguments "
+		       "(address and config method\n"
+		       "(display, keypad, or pbc)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "P2P_PROV_DISC %s %s",
+			  argv[0], argv[1]);
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_p2p_get_passphrase(struct wpa_ctrl *ctrl, int argc,
+					  char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "P2P_GET_PASSPHRASE");
+}
+
+
+static int wpa_cli_cmd_p2p_serv_disc_req(struct wpa_ctrl *ctrl, int argc,
+					 char *argv[])
+{
+	char cmd[4096];
+	int res;
+
+	if (argc != 2 && argc != 4) {
+		printf("Invalid P2P_SERV_DISC_REQ command: needs two "
+		       "arguments (address and TLVs) or four arguments "
+		       "(address, \"upnp\", version, search target "
+		       "(SSDP ST:)\n");
+		return -1;
+	}
+
+	if (argc == 4)
+		res = os_snprintf(cmd, sizeof(cmd),
+				  "P2P_SERV_DISC_REQ %s %s %s %s",
+				  argv[0], argv[1], argv[2], argv[3]);
+	else
+		res = os_snprintf(cmd, sizeof(cmd), "P2P_SERV_DISC_REQ %s %s",
+				  argv[0], argv[1]);
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_p2p_serv_disc_cancel_req(struct wpa_ctrl *ctrl,
+						int argc, char *argv[])
+{
+	char cmd[128];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid P2P_SERV_DISC_CANCEL_REQ command: needs one "
+		       "argument (pending request identifier)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "P2P_SERV_DISC_CANCEL_REQ %s",
+			  argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_p2p_serv_disc_resp(struct wpa_ctrl *ctrl, int argc,
+					  char *argv[])
+{
+	char cmd[4096];
+	int res;
+
+	if (argc != 4) {
+		printf("Invalid P2P_SERV_DISC_RESP command: needs four "
+		       "arguments (freq, address, dialog token, and TLVs)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "P2P_SERV_DISC_RESP %s %s %s %s",
+			  argv[0], argv[1], argv[2], argv[3]);
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_p2p_service_update(struct wpa_ctrl *ctrl, int argc,
+					  char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "P2P_SERVICE_UPDATE");
+}
+
+
+static int wpa_cli_cmd_p2p_serv_disc_external(struct wpa_ctrl *ctrl,
+					      int argc, char *argv[])
+{
+	char cmd[128];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid P2P_SERV_DISC_EXTERNAL command: needs one "
+		       "argument (external processing: 0/1)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "P2P_SERV_DISC_EXTERNAL %s",
+			  argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_p2p_service_flush(struct wpa_ctrl *ctrl, int argc,
+					 char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "P2P_SERVICE_FLUSH");
+}
+
+
+static int wpa_cli_cmd_p2p_service_add(struct wpa_ctrl *ctrl, int argc,
+				       char *argv[])
+{
+	char cmd[4096];
+	int res;
+
+	if (argc != 3 && argc != 4) {
+		printf("Invalid P2P_SERVICE_ADD command: needs three or four "
+		       "arguments\n");
+		return -1;
+	}
+
+	if (argc == 4)
+		res = os_snprintf(cmd, sizeof(cmd),
+				  "P2P_SERVICE_ADD %s %s %s %s",
+				  argv[0], argv[1], argv[2], argv[3]);
+	else
+		res = os_snprintf(cmd, sizeof(cmd),
+				  "P2P_SERVICE_ADD %s %s %s",
+				  argv[0], argv[1], argv[2]);
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_p2p_service_del(struct wpa_ctrl *ctrl, int argc,
+				       char *argv[])
+{
+	char cmd[4096];
+	int res;
+
+	if (argc != 2 && argc != 3) {
+		printf("Invalid P2P_SERVICE_DEL command: needs two or three "
+		       "arguments\n");
+		return -1;
+	}
+
+	if (argc == 3)
+		res = os_snprintf(cmd, sizeof(cmd),
+				  "P2P_SERVICE_DEL %s %s %s",
+				  argv[0], argv[1], argv[2]);
+	else
+		res = os_snprintf(cmd, sizeof(cmd),
+				  "P2P_SERVICE_DEL %s %s",
+				  argv[0], argv[1]);
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_p2p_reject(struct wpa_ctrl *ctrl,
+				  int argc, char *argv[])
+{
+	char cmd[128];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid P2P_REJECT command: needs one argument "
+		       "(peer address)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "P2P_REJECT %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_p2p_invite(struct wpa_ctrl *ctrl,
+				  int argc, char *argv[])
+{
+	char cmd[128];
+	int res;
+
+	if (argc < 1) {
+		printf("Invalid P2P_INVITE command: needs at least one "
+		       "argument\n");
+		return -1;
+	}
+
+	if (argc > 2)
+		res = os_snprintf(cmd, sizeof(cmd), "P2P_INVITE %s %s %s",
+				  argv[0], argv[1], argv[2]);
+	else if (argc > 1)
+		res = os_snprintf(cmd, sizeof(cmd), "P2P_INVITE %s %s",
+				  argv[0], argv[1]);
+	else
+		res = os_snprintf(cmd, sizeof(cmd), "P2P_INVITE %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_p2p_peer(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char buf[64];
+	if (argc != 1) {
+		printf("Invalid 'p2p_peer' command - exactly one argument, "
+		       "P2P peer device address, is required.\n");
+		return -1;
+	}
+	os_snprintf(buf, sizeof(buf), "P2P_PEER %s", argv[0]);
+	return wpa_ctrl_command(ctrl, buf);
+}
+
+
+static int wpa_ctrl_command_p2p_peer(struct wpa_ctrl *ctrl, char *cmd,
+				     char *addr, size_t addr_len,
+				     int discovered)
+{
+	char buf[4096], *pos;
+	size_t len;
+	int ret;
+
+	if (ctrl_conn == NULL)
+		return -1;
+	len = sizeof(buf) - 1;
+	ret = wpa_ctrl_request(ctrl, cmd, strlen(cmd), buf, &len,
+			       wpa_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;
+
+	pos = buf;
+	while (*pos != '\0' && *pos != '\n')
+		pos++;
+	*pos++ = '\0';
+	os_strlcpy(addr, buf, addr_len);
+	if (!discovered || os_strstr(pos, "[PROBE_REQ_ONLY]") == NULL)
+		printf("%s\n", addr);
+	return 0;
+}
+
+
+static int wpa_cli_cmd_p2p_peers(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char addr[32], cmd[64];
+	int discovered;
+
+	discovered = argc > 0 && os_strcmp(argv[0], "discovered") == 0;
+
+	if (wpa_ctrl_command_p2p_peer(ctrl, "P2P_PEER FIRST",
+				      addr, sizeof(addr), discovered))
+		return 0;
+	do {
+		os_snprintf(cmd, sizeof(cmd), "P2P_PEER NEXT-%s", addr);
+	} while (wpa_ctrl_command_p2p_peer(ctrl, cmd, addr, sizeof(addr),
+			 discovered) == 0);
+
+	return -1;
+}
+
+
+static int wpa_cli_cmd_p2p_set(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	char cmd[100];
+	int res;
+
+	if (argc != 2) {
+		printf("Invalid P2P_SET command: needs two arguments (field, "
+		       "value)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "P2P_SET %s %s", argv[0], argv[1]);
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_p2p_flush(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "P2P_FLUSH");
+}
+
+
+static int wpa_cli_cmd_p2p_cancel(struct wpa_ctrl *ctrl, int argc,
+				  char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "P2P_CANCEL");
+}
+
+
+static int wpa_cli_cmd_p2p_unauthorize(struct wpa_ctrl *ctrl, int argc,
+				       char *argv[])
+{
+	char cmd[100];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid P2P_UNAUTHORIZE command: needs one argument "
+		       "(peer address)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "P2P_UNAUTHORIZE %s", argv[0]);
+
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+
+	cmd[sizeof(cmd) - 1] = '\0';
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_p2p_presence_req(struct wpa_ctrl *ctrl, int argc,
+					char *argv[])
+{
+	char cmd[100];
+	int res;
+
+	if (argc != 0 && argc != 2 && argc != 4) {
+		printf("Invalid P2P_PRESENCE_REQ command: needs two arguments "
+		       "(preferred duration, interval; in microsecods).\n"
+		       "Optional second pair can be used to provide "
+		       "acceptable values.\n");
+		return -1;
+	}
+
+	if (argc == 4)
+		res = os_snprintf(cmd, sizeof(cmd),
+				  "P2P_PRESENCE_REQ %s %s %s %s",
+				  argv[0], argv[1], argv[2], argv[3]);
+	else if (argc == 2)
+		res = os_snprintf(cmd, sizeof(cmd), "P2P_PRESENCE_REQ %s %s",
+				  argv[0], argv[1]);
+	else
+		res = os_snprintf(cmd, sizeof(cmd), "P2P_PRESENCE_REQ");
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_p2p_ext_listen(struct wpa_ctrl *ctrl, int argc,
+				      char *argv[])
+{
+	char cmd[100];
+	int res;
+
+	if (argc != 0 && argc != 2) {
+		printf("Invalid P2P_EXT_LISTEN command: needs two arguments "
+		       "(availability period, availability interval; in "
+		       "millisecods).\n"
+		       "Extended Listen Timing can be cancelled with this "
+		       "command when used without parameters.\n");
+		return -1;
+	}
+
+	if (argc == 2)
+		res = os_snprintf(cmd, sizeof(cmd), "P2P_EXT_LISTEN %s %s",
+				  argv[0], argv[1]);
+	else
+		res = os_snprintf(cmd, sizeof(cmd), "P2P_EXT_LISTEN");
+	if (res < 0 || (size_t) res >= sizeof(cmd))
+		return -1;
+	cmd[sizeof(cmd) - 1] = '\0';
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+#endif /* CONFIG_P2P */
+
+
+static int wpa_cli_cmd_sta_autoconnect(struct wpa_ctrl *ctrl, int argc,
+				       char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid STA_AUTOCONNECT command: needs one argument "
+		       "(0/1 = disable/enable automatic reconnection)\n");
+		return -1;
+	}
+	res = os_snprintf(cmd, sizeof(cmd), "STA_AUTOCONNECT %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long STA_AUTOCONNECT command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_tdls_discover(struct wpa_ctrl *ctrl, int argc,
+				     char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid TDLS_DISCOVER command: needs one argument "
+		       "(Peer STA MAC address)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "TDLS_DISCOVER %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long TDLS_DISCOVER command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_tdls_setup(struct wpa_ctrl *ctrl, int argc,
+				  char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid TDLS_SETUP command: needs one argument "
+		       "(Peer STA MAC address)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "TDLS_SETUP %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long TDLS_SETUP command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_tdls_teardown(struct wpa_ctrl *ctrl, int argc,
+				     char *argv[])
+{
+	char cmd[256];
+	int res;
+
+	if (argc != 1) {
+		printf("Invalid TDLS_TEARDOWN command: needs one argument "
+		       "(Peer STA MAC address)\n");
+		return -1;
+	}
+
+	res = os_snprintf(cmd, sizeof(cmd), "TDLS_TEARDOWN %s", argv[0]);
+	if (res < 0 || (size_t) res >= sizeof(cmd) - 1) {
+		printf("Too long TDLS_TEARDOWN command.\n");
+		return -1;
+	}
+	return wpa_ctrl_command(ctrl, cmd);
+}
+
+
+static int wpa_cli_cmd_signal_poll(struct wpa_ctrl *ctrl, int argc,
+				   char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "SIGNAL_POLL");
+}
+
+
+enum wpa_cli_cmd_flags {
+	cli_cmd_flag_none		= 0x00,
+	cli_cmd_flag_sensitive		= 0x01
+};
+
+struct wpa_cli_cmd {
+	const char *cmd;
+	int (*handler)(struct wpa_ctrl *ctrl, int argc, char *argv[]);
+	enum wpa_cli_cmd_flags flags;
+	const char *usage;
+};
+
+static struct wpa_cli_cmd wpa_cli_commands[] = {
+	{ "status", wpa_cli_cmd_status,
+	  cli_cmd_flag_none,
+	  "[verbose] = get current WPA/EAPOL/EAP status" },
+	{ "ping", wpa_cli_cmd_ping,
+	  cli_cmd_flag_none,
+	  "= pings wpa_supplicant" },
+	{ "relog", wpa_cli_cmd_relog,
+	  cli_cmd_flag_none,
+	  "= re-open log-file (allow rolling logs)" },
+	{ "note", wpa_cli_cmd_note,
+	  cli_cmd_flag_none,
+	  "<text> = add a note to wpa_supplicant debug log" },
+	{ "mib", wpa_cli_cmd_mib,
+	  cli_cmd_flag_none,
+	  "= get MIB variables (dot1x, dot11)" },
+	{ "help", wpa_cli_cmd_help,
+	  cli_cmd_flag_none,
+	  "= show this usage help" },
+	{ "interface", wpa_cli_cmd_interface,
+	  cli_cmd_flag_none,
+	  "[ifname] = show interfaces/select interface" },
+	{ "level", wpa_cli_cmd_level,
+	  cli_cmd_flag_none,
+	  "<debug level> = change debug level" },
+	{ "license", wpa_cli_cmd_license,
+	  cli_cmd_flag_none,
+	  "= show full wpa_cli license" },
+	{ "quit", wpa_cli_cmd_quit,
+	  cli_cmd_flag_none,
+	  "= exit wpa_cli" },
+	{ "set", wpa_cli_cmd_set,
+	  cli_cmd_flag_none,
+	  "= set variables (shows list of variables when run without "
+	  "arguments)" },
+	{ "get", wpa_cli_cmd_get,
+	  cli_cmd_flag_none,
+	  "<name> = get information" },
+	{ "logon", wpa_cli_cmd_logon,
+	  cli_cmd_flag_none,
+	  "= IEEE 802.1X EAPOL state machine logon" },
+	{ "logoff", wpa_cli_cmd_logoff,
+	  cli_cmd_flag_none,
+	  "= IEEE 802.1X EAPOL state machine logoff" },
+	{ "pmksa", wpa_cli_cmd_pmksa,
+	  cli_cmd_flag_none,
+	  "= show PMKSA cache" },
+	{ "reassociate", wpa_cli_cmd_reassociate,
+	  cli_cmd_flag_none,
+	  "= force reassociation" },
+	{ "preauthenticate", wpa_cli_cmd_preauthenticate,
+	  cli_cmd_flag_none,
+	  "<BSSID> = force preauthentication" },
+	{ "identity", wpa_cli_cmd_identity,
+	  cli_cmd_flag_none,
+	  "<network id> <identity> = configure identity for an SSID" },
+	{ "password", wpa_cli_cmd_password,
+	  cli_cmd_flag_sensitive,
+	  "<network id> <password> = configure password for an SSID" },
+	{ "new_password", wpa_cli_cmd_new_password,
+	  cli_cmd_flag_sensitive,
+	  "<network id> <password> = change password for an SSID" },
+	{ "pin", wpa_cli_cmd_pin,
+	  cli_cmd_flag_sensitive,
+	  "<network id> <pin> = configure pin for an SSID" },
+	{ "otp", wpa_cli_cmd_otp,
+	  cli_cmd_flag_sensitive,
+	  "<network id> <password> = configure one-time-password for an SSID"
+	},
+	{ "passphrase", wpa_cli_cmd_passphrase,
+	  cli_cmd_flag_sensitive,
+	  "<network id> <passphrase> = configure private key passphrase\n"
+	  "  for an SSID" },
+	{ "bssid", wpa_cli_cmd_bssid,
+	  cli_cmd_flag_none,
+	  "<network id> <BSSID> = set preferred BSSID for an SSID" },
+	{ "list_networks", wpa_cli_cmd_list_networks,
+	  cli_cmd_flag_none,
+	  "= list configured networks" },
+	{ "select_network", wpa_cli_cmd_select_network,
+	  cli_cmd_flag_none,
+	  "<network id> = select a network (disable others)" },
+	{ "enable_network", wpa_cli_cmd_enable_network,
+	  cli_cmd_flag_none,
+	  "<network id> = enable a network" },
+	{ "disable_network", wpa_cli_cmd_disable_network,
+	  cli_cmd_flag_none,
+	  "<network id> = disable a network" },
+	{ "add_network", wpa_cli_cmd_add_network,
+	  cli_cmd_flag_none,
+	  "= add a network" },
+	{ "remove_network", wpa_cli_cmd_remove_network,
+	  cli_cmd_flag_none,
+	  "<network id> = remove a network" },
+	{ "set_network", wpa_cli_cmd_set_network,
+	  cli_cmd_flag_sensitive,
+	  "<network id> <variable> <value> = set network variables (shows\n"
+	  "  list of variables when run without arguments)" },
+	{ "get_network", wpa_cli_cmd_get_network,
+	  cli_cmd_flag_none,
+	  "<network id> <variable> = get network variables" },
+	{ "save_config", wpa_cli_cmd_save_config,
+	  cli_cmd_flag_none,
+	  "= save the current configuration" },
+	{ "disconnect", wpa_cli_cmd_disconnect,
+	  cli_cmd_flag_none,
+	  "= disconnect and wait for reassociate/reconnect command before\n"
+	  "  connecting" },
+	{ "reconnect", wpa_cli_cmd_reconnect,
+	  cli_cmd_flag_none,
+	  "= like reassociate, but only takes effect if already disconnected"
+	},
+	{ "scan", wpa_cli_cmd_scan,
+	  cli_cmd_flag_none,
+	  "= request new BSS scan" },
+	{ "scan_results", wpa_cli_cmd_scan_results,
+	  cli_cmd_flag_none,
+	  "= get latest scan results" },
+	{ "bss", wpa_cli_cmd_bss,
+	  cli_cmd_flag_none,
+	  "<<idx> | <bssid>> = get detailed scan result info" },
+	{ "get_capability", wpa_cli_cmd_get_capability,
+	  cli_cmd_flag_none,
+	  "<eap/pairwise/group/key_mgmt/proto/auth_alg> = get capabilies" },
+	{ "reconfigure", wpa_cli_cmd_reconfigure,
+	  cli_cmd_flag_none,
+	  "= force wpa_supplicant to re-read its configuration file" },
+	{ "terminate", wpa_cli_cmd_terminate,
+	  cli_cmd_flag_none,
+	  "= terminate wpa_supplicant" },
+	{ "interface_add", wpa_cli_cmd_interface_add,
+	  cli_cmd_flag_none,
+	  "<ifname> <confname> <driver> <ctrl_interface> <driver_param>\n"
+	  "  <bridge_name> = adds new interface, all parameters but <ifname>\n"
+	  "  are optional" },
+	{ "interface_remove", wpa_cli_cmd_interface_remove,
+	  cli_cmd_flag_none,
+	  "<ifname> = removes the interface" },
+	{ "interface_list", wpa_cli_cmd_interface_list,
+	  cli_cmd_flag_none,
+	  "= list available interfaces" },
+	{ "ap_scan", wpa_cli_cmd_ap_scan,
+	  cli_cmd_flag_none,
+	  "<value> = set ap_scan parameter" },
+	{ "scan_interval", wpa_cli_cmd_scan_interval,
+	  cli_cmd_flag_none,
+	  "<value> = set scan_interval parameter (in seconds)" },
+	{ "bss_expire_age", wpa_cli_cmd_bss_expire_age,
+	  cli_cmd_flag_none,
+	  "<value> = set BSS expiration age parameter" },
+	{ "bss_expire_count", wpa_cli_cmd_bss_expire_count,
+	  cli_cmd_flag_none,
+	  "<value> = set BSS expiration scan count parameter" },
+	{ "stkstart", wpa_cli_cmd_stkstart,
+	  cli_cmd_flag_none,
+	  "<addr> = request STK negotiation with <addr>" },
+	{ "ft_ds", wpa_cli_cmd_ft_ds,
+	  cli_cmd_flag_none,
+	  "<addr> = request over-the-DS FT with <addr>" },
+	{ "wps_pbc", wpa_cli_cmd_wps_pbc,
+	  cli_cmd_flag_none,
+	  "[BSSID] = start Wi-Fi Protected Setup: Push Button Configuration" },
+	{ "wps_pin", wpa_cli_cmd_wps_pin,
+	  cli_cmd_flag_sensitive,
+	  "<BSSID> [PIN] = start WPS PIN method (returns PIN, if not "
+	  "hardcoded)" },
+	{ "wps_check_pin", wpa_cli_cmd_wps_check_pin,
+	  cli_cmd_flag_sensitive,
+	  "<PIN> = verify PIN checksum" },
+	{ "wps_cancel", wpa_cli_cmd_wps_cancel, cli_cmd_flag_none,
+	  "Cancels the pending WPS operation" },
+#ifdef CONFIG_WPS_OOB
+	{ "wps_oob", wpa_cli_cmd_wps_oob,
+	  cli_cmd_flag_sensitive,
+	  "<DEV_TYPE> <PATH> <METHOD> [DEV_NAME] = start WPS OOB" },
+#endif /* CONFIG_WPS_OOB */
+	{ "wps_reg", wpa_cli_cmd_wps_reg,
+	  cli_cmd_flag_sensitive,
+	  "<BSSID> <AP PIN> = start WPS Registrar to configure an AP" },
+	{ "wps_ap_pin", wpa_cli_cmd_wps_ap_pin,
+	  cli_cmd_flag_sensitive,
+	  "[params..] = enable/disable AP PIN" },
+	{ "wps_er_start", wpa_cli_cmd_wps_er_start,
+	  cli_cmd_flag_none,
+	  "[IP address] = start Wi-Fi Protected Setup External Registrar" },
+	{ "wps_er_stop", wpa_cli_cmd_wps_er_stop,
+	  cli_cmd_flag_none,
+	  "= stop Wi-Fi Protected Setup External Registrar" },
+	{ "wps_er_pin", wpa_cli_cmd_wps_er_pin,
+	  cli_cmd_flag_sensitive,
+	  "<UUID> <PIN> = add an Enrollee PIN to External Registrar" },
+	{ "wps_er_pbc", wpa_cli_cmd_wps_er_pbc,
+	  cli_cmd_flag_none,
+	  "<UUID> = accept an Enrollee PBC using External Registrar" },
+	{ "wps_er_learn", wpa_cli_cmd_wps_er_learn,
+	  cli_cmd_flag_sensitive,
+	  "<UUID> <PIN> = learn AP configuration" },
+	{ "wps_er_set_config", wpa_cli_cmd_wps_er_set_config,
+	  cli_cmd_flag_none,
+	  "<UUID> <network id> = set AP configuration for enrolling" },
+	{ "wps_er_config", wpa_cli_cmd_wps_er_config,
+	  cli_cmd_flag_sensitive,
+	  "<UUID> <PIN> <SSID> <auth> <encr> <key> = configure AP" },
+	{ "ibss_rsn", wpa_cli_cmd_ibss_rsn,
+	  cli_cmd_flag_none,
+	  "<addr> = request RSN authentication with <addr> in IBSS" },
+#ifdef CONFIG_AP
+	{ "sta", wpa_cli_cmd_sta,
+	  cli_cmd_flag_none,
+	  "<addr> = get information about an associated station (AP)" },
+	{ "all_sta", wpa_cli_cmd_all_sta,
+	  cli_cmd_flag_none,
+	  "= get information about all associated stations (AP)" },
+#endif /* CONFIG_AP */
+	{ "suspend", wpa_cli_cmd_suspend, cli_cmd_flag_none,
+	  "= notification of suspend/hibernate" },
+	{ "resume", wpa_cli_cmd_resume, cli_cmd_flag_none,
+	  "= notification of resume/thaw" },
+	{ "drop_sa", wpa_cli_cmd_drop_sa, cli_cmd_flag_none,
+	  "= drop SA without deauth/disassoc (test command)" },
+	{ "roam", wpa_cli_cmd_roam,
+	  cli_cmd_flag_none,
+	  "<addr> = roam to the specified BSS" },
+#ifdef CONFIG_P2P
+	{ "p2p_find", wpa_cli_cmd_p2p_find, cli_cmd_flag_none,
+	  "[timeout] [type=*] = find P2P Devices for up-to timeout seconds" },
+	{ "p2p_stop_find", wpa_cli_cmd_p2p_stop_find, cli_cmd_flag_none,
+	  "= stop P2P Devices search" },
+	{ "p2p_connect", wpa_cli_cmd_p2p_connect, cli_cmd_flag_none,
+	  "<addr> <\"pbc\"|PIN> = connect to a P2P Devices" },
+	{ "p2p_listen", wpa_cli_cmd_p2p_listen, cli_cmd_flag_none,
+	  "[timeout] = listen for P2P Devices for up-to timeout seconds" },
+	{ "p2p_group_remove", wpa_cli_cmd_p2p_group_remove, cli_cmd_flag_none,
+	  "<ifname> = remove P2P group interface (terminate group if GO)" },
+	{ "p2p_group_add", wpa_cli_cmd_p2p_group_add, cli_cmd_flag_none,
+	  "= add a new P2P group (local end as GO)" },
+	{ "p2p_prov_disc", wpa_cli_cmd_p2p_prov_disc, cli_cmd_flag_none,
+	  "<addr> <method> = request provisioning discovery" },
+	{ "p2p_get_passphrase", wpa_cli_cmd_p2p_get_passphrase,
+	  cli_cmd_flag_none,
+	  "= get the passphrase for a group (GO only)" },
+	{ "p2p_serv_disc_req", wpa_cli_cmd_p2p_serv_disc_req,
+	  cli_cmd_flag_none,
+	  "<addr> <TLVs> = schedule service discovery request" },
+	{ "p2p_serv_disc_cancel_req", wpa_cli_cmd_p2p_serv_disc_cancel_req,
+	  cli_cmd_flag_none,
+	  "<id> = cancel pending service discovery request" },
+	{ "p2p_serv_disc_resp", wpa_cli_cmd_p2p_serv_disc_resp,
+	  cli_cmd_flag_none,
+	  "<freq> <addr> <dialog token> <TLVs> = service discovery response" },
+	{ "p2p_service_update", wpa_cli_cmd_p2p_service_update,
+	  cli_cmd_flag_none,
+	  "= indicate change in local services" },
+	{ "p2p_serv_disc_external", wpa_cli_cmd_p2p_serv_disc_external,
+	  cli_cmd_flag_none,
+	  "<external> = set external processing of service discovery" },
+	{ "p2p_service_flush", wpa_cli_cmd_p2p_service_flush,
+	  cli_cmd_flag_none,
+	  "= remove all stored service entries" },
+	{ "p2p_service_add", wpa_cli_cmd_p2p_service_add,
+	  cli_cmd_flag_none,
+	  "<bonjour|upnp> <query|version> <response|service> = add a local "
+	  "service" },
+	{ "p2p_service_del", wpa_cli_cmd_p2p_service_del,
+	  cli_cmd_flag_none,
+	  "<bonjour|upnp> <query|version> [|service] = remove a local "
+	  "service" },
+	{ "p2p_reject", wpa_cli_cmd_p2p_reject,
+	  cli_cmd_flag_none,
+	  "<addr> = reject connection attempts from a specific peer" },
+	{ "p2p_invite", wpa_cli_cmd_p2p_invite,
+	  cli_cmd_flag_none,
+	  "<cmd> [peer=addr] = invite peer" },
+	{ "p2p_peers", wpa_cli_cmd_p2p_peers, cli_cmd_flag_none,
+	  "[discovered] = list known (optionally, only fully discovered) P2P "
+	  "peers" },
+	{ "p2p_peer", wpa_cli_cmd_p2p_peer, cli_cmd_flag_none,
+	  "<address> = show information about known P2P peer" },
+	{ "p2p_set", wpa_cli_cmd_p2p_set, cli_cmd_flag_none,
+	  "<field> <value> = set a P2P parameter" },
+	{ "p2p_flush", wpa_cli_cmd_p2p_flush, cli_cmd_flag_none,
+	  "= flush P2P state" },
+	{ "p2p_cancel", wpa_cli_cmd_p2p_cancel, cli_cmd_flag_none,
+	  "= cancel P2P group formation" },
+	{ "p2p_unauthorize", wpa_cli_cmd_p2p_unauthorize, cli_cmd_flag_none,
+	  "<address> = unauthorize a peer" },
+	{ "p2p_presence_req", wpa_cli_cmd_p2p_presence_req, cli_cmd_flag_none,
+	  "[<duration> <interval>] [<duration> <interval>] = request GO "
+	  "presence" },
+	{ "p2p_ext_listen", wpa_cli_cmd_p2p_ext_listen, cli_cmd_flag_none,
+	  "[<period> <interval>] = set extended listen timing" },
+#endif /* CONFIG_P2P */
+	{ "sta_autoconnect", wpa_cli_cmd_sta_autoconnect, cli_cmd_flag_none,
+	  "<0/1> = disable/enable automatic reconnection" },
+	{ "tdls_discover", wpa_cli_cmd_tdls_discover,
+	  cli_cmd_flag_none,
+	  "<addr> = request TDLS discovery with <addr>" },
+	{ "tdls_setup", wpa_cli_cmd_tdls_setup,
+	  cli_cmd_flag_none,
+	  "<addr> = request TDLS setup with <addr>" },
+	{ "tdls_teardown", wpa_cli_cmd_tdls_teardown,
+	  cli_cmd_flag_none,
+	  "<addr> = tear down TDLS with <addr>" },
+	{ "signal_poll", wpa_cli_cmd_signal_poll,
+	  cli_cmd_flag_none,
+	  "= get signal parameters" },
+	{ NULL, NULL, cli_cmd_flag_none, NULL }
+};
+
+
+/*
+ * Prints command usage, lines are padded with the specified string.
+ */
+static void print_cmd_help(struct wpa_cli_cmd *cmd, const char *pad)
+{
+	char c;
+	size_t n;
+
+	printf("%s%s ", pad, cmd->cmd);
+	for (n = 0; (c = cmd->usage[n]); n++) {
+		printf("%c", c);
+		if (c == '\n')
+			printf("%s", pad);
+	}
+	printf("\n");
+}
+
+
+static void print_help(void)
+{
+	int n;
+	printf("commands:\n");
+	for (n = 0; wpa_cli_commands[n].cmd; n++)
+		print_cmd_help(&wpa_cli_commands[n], "  ");
+}
+
+
+static int wpa_cli_edit_filter_history_cb(void *ctx, const char *cmd)
+{
+	const char *c, *delim;
+	int n;
+	size_t len;
+
+	delim = os_strchr(cmd, ' ');
+	if (delim)
+		len = delim - cmd;
+	else
+		len = os_strlen(cmd);
+
+	for (n = 0; (c = wpa_cli_commands[n].cmd); n++) {
+		if (os_strncasecmp(cmd, c, len) == 0 && len == os_strlen(c))
+			return (wpa_cli_commands[n].flags &
+				cli_cmd_flag_sensitive);
+	}
+	return 0;
+}
+
+
+static char ** wpa_list_cmd_list(void)
+{
+	char **res;
+	int i, count;
+
+	count = sizeof(wpa_cli_commands) / sizeof(wpa_cli_commands[0]);
+	res = os_zalloc(count * sizeof(char *));
+	if (res == NULL)
+		return NULL;
+
+	for (i = 0; wpa_cli_commands[i].cmd; i++) {
+		res[i] = os_strdup(wpa_cli_commands[i].cmd);
+		if (res[i] == NULL)
+			break;
+	}
+
+	return res;
+}
+
+
+static char ** wpa_cli_cmd_completion(const char *cmd, const char *str,
+				      int pos)
+{
+	int i;
+
+	for (i = 0; wpa_cli_commands[i].cmd; i++) {
+		if (os_strcasecmp(wpa_cli_commands[i].cmd, cmd) == 0) {
+			edit_clear_line();
+			printf("\r%s\n", wpa_cli_commands[i].usage);
+			edit_redraw();
+			break;
+		}
+	}
+
+	return NULL;
+}
+
+
+static char ** wpa_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 wpa_list_cmd_list();
+
+	cmd = os_malloc(pos + 1);
+	if (cmd == NULL)
+		return NULL;
+	os_memcpy(cmd, str, pos);
+	cmd[end - str] = '\0';
+	res = wpa_cli_cmd_completion(cmd, str, pos);
+	os_free(cmd);
+	return res;
+}
+
+
+static int wpa_request(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	struct wpa_cli_cmd *cmd, *match = NULL;
+	int count;
+	int ret = 0;
+
+	count = 0;
+	cmd = wpa_cli_commands;
+	while (cmd->cmd) {
+		if (os_strncasecmp(cmd->cmd, argv[0], os_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 = wpa_cli_commands;
+		while (cmd->cmd) {
+			if (os_strncasecmp(cmd->cmd, argv[0],
+					   os_strlen(argv[0])) == 0) {
+				printf(" %s", cmd->cmd);
+			}
+			cmd++;
+		}
+		printf("\n");
+		ret = 1;
+	} else if (count == 0) {
+		printf("Unknown command '%s'\n", argv[0]);
+		ret = 1;
+	} else {
+		ret = match->handler(ctrl, argc - 1, &argv[1]);
+	}
+
+	return ret;
+}
+
+
+static int str_match(const char *a, const char *b)
+{
+	return os_strncmp(a, b, os_strlen(b)) == 0;
+}
+
+
+static int wpa_cli_exec(const char *program, const char *arg1,
+			const char *arg2)
+{
+	char *cmd;
+	size_t len;
+	int res;
+	int ret = 0;
+
+	len = os_strlen(program) + os_strlen(arg1) + os_strlen(arg2) + 3;
+	cmd = os_malloc(len);
+	if (cmd == NULL)
+		return -1;
+	res = os_snprintf(cmd, len, "%s %s %s", program, arg1, arg2);
+	if (res < 0 || (size_t) res >= len) {
+		os_free(cmd);
+		return -1;
+	}
+	cmd[len - 1] = '\0';
+#ifndef _WIN32_WCE
+	if (system(cmd) < 0)
+		ret = -1;
+#endif /* _WIN32_WCE */
+	os_free(cmd);
+
+	return ret;
+}
+
+
+static void wpa_cli_action_process(const char *msg)
+{
+	const char *pos;
+	char *copy = NULL, *id, *pos2;
+
+	pos = msg;
+	if (*pos == '<') {
+		/* skip priority */
+		pos = os_strchr(pos, '>');
+		if (pos)
+			pos++;
+		else
+			pos = msg;
+	}
+
+	if (str_match(pos, WPA_EVENT_CONNECTED)) {
+		int new_id = -1;
+		os_unsetenv("WPA_ID");
+		os_unsetenv("WPA_ID_STR");
+		os_unsetenv("WPA_CTRL_DIR");
+
+		pos = os_strstr(pos, "[id=");
+		if (pos)
+			copy = os_strdup(pos + 4);
+
+		if (copy) {
+			pos2 = id = copy;
+			while (*pos2 && *pos2 != ' ')
+				pos2++;
+			*pos2++ = '\0';
+			new_id = atoi(id);
+			os_setenv("WPA_ID", id, 1);
+			while (*pos2 && *pos2 != '=')
+				pos2++;
+			if (*pos2 == '=')
+				pos2++;
+			id = pos2;
+			while (*pos2 && *pos2 != ']')
+				pos2++;
+			*pos2 = '\0';
+			os_setenv("WPA_ID_STR", id, 1);
+			os_free(copy);
+		}
+
+		os_setenv("WPA_CTRL_DIR", ctrl_iface_dir, 1);
+
+		if (!wpa_cli_connected || new_id != wpa_cli_last_id) {
+			wpa_cli_connected = 1;
+			wpa_cli_last_id = new_id;
+			wpa_cli_exec(action_file, ctrl_ifname, "CONNECTED");
+		}
+	} else if (str_match(pos, WPA_EVENT_DISCONNECTED)) {
+		if (wpa_cli_connected) {
+			wpa_cli_connected = 0;
+			wpa_cli_exec(action_file, ctrl_ifname, "DISCONNECTED");
+		}
+	} else if (str_match(pos, P2P_EVENT_GROUP_STARTED)) {
+		wpa_cli_exec(action_file, ctrl_ifname, pos);
+	} else if (str_match(pos, P2P_EVENT_GROUP_REMOVED)) {
+		wpa_cli_exec(action_file, ctrl_ifname, pos);
+	} else if (str_match(pos, P2P_EVENT_CROSS_CONNECT_ENABLE)) {
+		wpa_cli_exec(action_file, ctrl_ifname, pos);
+	} else if (str_match(pos, P2P_EVENT_CROSS_CONNECT_DISABLE)) {
+		wpa_cli_exec(action_file, ctrl_ifname, pos);
+	} else if (str_match(pos, WPS_EVENT_SUCCESS)) {
+		wpa_cli_exec(action_file, ctrl_ifname, pos);
+	} else if (str_match(pos, WPS_EVENT_FAIL)) {
+		wpa_cli_exec(action_file, ctrl_ifname, pos);
+	} else if (str_match(pos, WPA_EVENT_TERMINATING)) {
+		printf("wpa_supplicant is terminating - stop monitoring\n");
+		wpa_cli_quit = 1;
+	}
+}
+
+
+#ifndef CONFIG_ANSI_C_EXTRA
+static void wpa_cli_action_cb(char *msg, size_t len)
+{
+	wpa_cli_action_process(msg);
+}
+#endif /* CONFIG_ANSI_C_EXTRA */
+
+
+static void wpa_cli_reconnect(void)
+{
+	wpa_cli_close_connection();
+	wpa_cli_open_connection(ctrl_ifname, 1);
+}
+
+
+static void wpa_cli_recv_pending(struct wpa_ctrl *ctrl, int action_monitor)
+{
+	if (ctrl_conn == NULL) {
+		wpa_cli_reconnect();
+		return;
+	}
+	while (wpa_ctrl_pending(ctrl) > 0) {
+		char buf[256];
+		size_t len = sizeof(buf) - 1;
+		if (wpa_ctrl_recv(ctrl, buf, &len) == 0) {
+			buf[len] = '\0';
+			if (action_monitor)
+				wpa_cli_action_process(buf);
+			else {
+				if (wpa_cli_show_event(buf)) {
+					edit_clear_line();
+					printf("\r%s\n", buf);
+					edit_redraw();
+				}
+			}
+		} else {
+			printf("Could not read pending message.\n");
+			break;
+		}
+	}
+
+	if (wpa_ctrl_pending(ctrl) < 0) {
+		printf("Connection to wpa_supplicant lost - trying to "
+		       "reconnect\n");
+		wpa_cli_reconnect();
+	}
+}
+
+#define max_args 10
+
+static int tokenize_cmd(char *cmd, char *argv[])
+{
+	char *pos;
+	int argc = 0;
+
+	pos = cmd;
+	for (;;) {
+		while (*pos == ' ')
+			pos++;
+		if (*pos == '\0')
+			break;
+		argv[argc] = pos;
+		argc++;
+		if (argc == max_args)
+			break;
+		if (*pos == '"') {
+			char *pos2 = os_strrchr(pos, '"');
+			if (pos2)
+				pos = pos2 + 1;
+		}
+		while (*pos != '\0' && *pos != ' ')
+			pos++;
+		if (*pos == ' ')
+			*pos++ = '\0';
+	}
+
+	return argc;
+}
+
+
+static void wpa_cli_ping(void *eloop_ctx, void *timeout_ctx)
+{
+	if (ctrl_conn && _wpa_ctrl_command(ctrl_conn, "PING", 0)) {
+		printf("Connection to wpa_supplicant lost - trying to "
+		       "reconnect\n");
+		wpa_cli_close_connection();
+	}
+	if (!ctrl_conn)
+		wpa_cli_reconnect();
+	eloop_register_timeout(ping_interval, 0, wpa_cli_ping, NULL, NULL);
+}
+
+
+static void wpa_cli_eloop_terminate(int sig, void *signal_ctx)
+{
+	eloop_terminate();
+}
+
+
+static void wpa_cli_mon_receive(int sock, void *eloop_ctx, void *sock_ctx)
+{
+	wpa_cli_recv_pending(mon_conn, 0);
+}
+
+
+static void wpa_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 wpa_cli_edit_eof_cb(void *ctx)
+{
+	eloop_terminate();
+}
+
+
+static void wpa_cli_interactive(void)
+{
+	char *home, *hfile = NULL;
+
+	printf("\nInteractive mode\n\n");
+
+	home = getenv("HOME");
+	if (home) {
+		const char *fname = ".wpa_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(wpa_cli_eloop_terminate, NULL);
+	edit_init(wpa_cli_edit_cmd_cb, wpa_cli_edit_eof_cb,
+		  wpa_cli_edit_completion_cb, NULL, hfile);
+	eloop_register_timeout(ping_interval, 0, wpa_cli_ping, NULL, NULL);
+
+	eloop_run();
+
+	edit_deinit(hfile, wpa_cli_edit_filter_history_cb);
+	os_free(hfile);
+	eloop_cancel_timeout(wpa_cli_ping, NULL, NULL);
+	wpa_cli_close_connection();
+}
+
+
+static void wpa_cli_action(struct wpa_ctrl *ctrl)
+{
+#ifdef CONFIG_ANSI_C_EXTRA
+	/* TODO: ANSI C version(?) */
+	printf("Action processing not supported in ANSI C build.\n");
+#else /* CONFIG_ANSI_C_EXTRA */
+	fd_set rfds;
+	int fd, res;
+	struct timeval tv;
+	char buf[256]; /* note: large enough to fit in unsolicited messages */
+	size_t len;
+
+	fd = wpa_ctrl_get_fd(ctrl);
+
+	while (!wpa_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))
+			wpa_cli_recv_pending(ctrl, 1);
+		else {
+			/* verify that connection is still working */
+			len = sizeof(buf) - 1;
+			if (wpa_ctrl_request(ctrl, "PING", 4, buf, &len,
+					     wpa_cli_action_cb) < 0 ||
+			    len < 4 || os_memcmp(buf, "PONG", 4) != 0) {
+				printf("wpa_supplicant did not reply to PING "
+				       "command - exiting\n");
+				break;
+			}
+		}
+	}
+#endif /* CONFIG_ANSI_C_EXTRA */
+}
+
+
+static void wpa_cli_cleanup(void)
+{
+	wpa_cli_close_connection();
+	if (pid_file)
+		os_daemonize_terminate(pid_file);
+
+	os_program_deinit();
+}
+
+static void wpa_cli_terminate(int sig)
+{
+	wpa_cli_cleanup();
+	exit(0);
+}
+
+
+static char * wpa_cli_get_default_ifname(void)
+{
+	char *ifname = NULL;
+
+#ifdef CONFIG_CTRL_IFACE_UNIX
+	struct dirent *dent;
+	DIR *dir = opendir(ctrl_iface_dir);
+	if (!dir) {
+#ifdef ANDROID
+		char ifprop[PROPERTY_VALUE_MAX];
+		if (property_get("wifi.interface", ifprop, NULL) != 0) {
+			ifname = os_strdup(ifprop);
+			printf("Using interface '%s'\n", ifname);
+			return ifname;
+		}
+#endif /* ANDROID */
+		return NULL;
+	}
+	while ((dent = readdir(dir))) {
+#ifdef _DIRENT_HAVE_D_TYPE
+		/*
+		 * Skip the file if it is not a socket. Also accept
+		 * DT_UNKNOWN (0) in case the C library or underlying
+		 * file system does not support d_type.
+		 */
+		if (dent->d_type != DT_SOCK && dent->d_type != DT_UNKNOWN)
+			continue;
+#endif /* _DIRENT_HAVE_D_TYPE */
+		if (os_strcmp(dent->d_name, ".") == 0 ||
+		    os_strcmp(dent->d_name, "..") == 0)
+			continue;
+		printf("Selected interface '%s'\n", dent->d_name);
+		ifname = os_strdup(dent->d_name);
+		break;
+	}
+	closedir(dir);
+#endif /* CONFIG_CTRL_IFACE_UNIX */
+
+#ifdef CONFIG_CTRL_IFACE_NAMED_PIPE
+	char buf[2048], *pos;
+	size_t len;
+	struct wpa_ctrl *ctrl;
+	int ret;
+
+	ctrl = wpa_ctrl_open(NULL);
+	if (ctrl == NULL)
+		return NULL;
+
+	len = sizeof(buf) - 1;
+	ret = wpa_ctrl_request(ctrl, "INTERFACES", 10, buf, &len, NULL);
+	if (ret >= 0) {
+		buf[len] = '\0';
+		pos = os_strchr(buf, '\n');
+		if (pos)
+			*pos = '\0';
+		ifname = os_strdup(buf);
+	}
+	wpa_ctrl_close(ctrl);
+#endif /* CONFIG_CTRL_IFACE_NAMED_PIPE */
+
+	return ifname;
+}
+
+
+int main(int argc, char *argv[])
+{
+	int warning_displayed = 0;
+	int c;
+	int daemonize = 0;
+	int ret = 0;
+	const char *global = NULL;
+
+	if (os_program_init())
+		return -1;
+
+	for (;;) {
+		c = getopt(argc, argv, "a:Bg:G:hi:p:P:v");
+		if (c < 0)
+			break;
+		switch (c) {
+		case 'a':
+			action_file = optarg;
+			break;
+		case 'B':
+			daemonize = 1;
+			break;
+		case 'g':
+			global = optarg;
+			break;
+		case 'G':
+			ping_interval = atoi(optarg);
+			break;
+		case 'h':
+			usage();
+			return 0;
+		case 'v':
+			printf("%s\n", wpa_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;
+		default:
+			usage();
+			return -1;
+		}
+	}
+
+	interactive = (argc == optind) && (action_file == NULL);
+
+	if (interactive)
+		printf("%s\n\n%s\n\n", wpa_cli_version, wpa_cli_license);
+
+	if (eloop_init())
+		return -1;
+
+	if (global) {
+#ifdef CONFIG_CTRL_IFACE_NAMED_PIPE
+		ctrl_conn = wpa_ctrl_open(NULL);
+#else /* CONFIG_CTRL_IFACE_NAMED_PIPE */
+		ctrl_conn = wpa_ctrl_open(global);
+#endif /* CONFIG_CTRL_IFACE_NAMED_PIPE */
+		if (ctrl_conn == NULL) {
+			perror("Failed to connect to wpa_supplicant - "
+			       "wpa_ctrl_open");
+			return -1;
+		}
+	}
+
+#ifndef _WIN32_WCE
+	signal(SIGINT, wpa_cli_terminate);
+	signal(SIGTERM, wpa_cli_terminate);
+#endif /* _WIN32_WCE */
+
+	if (ctrl_ifname == NULL)
+		ctrl_ifname = wpa_cli_get_default_ifname();
+
+	if (interactive) {
+		for (; !global;) {
+			if (wpa_cli_open_connection(ctrl_ifname, 1) == 0) {
+				if (warning_displayed)
+					printf("Connection established.\n");
+				break;
+			}
+
+			if (!warning_displayed) {
+				printf("Could not connect to wpa_supplicant - "
+				       "re-trying\n");
+				warning_displayed = 1;
+			}
+			os_sleep(1, 0);
+			continue;
+		}
+	} else {
+		if (!global &&
+		    wpa_cli_open_connection(ctrl_ifname, 0) < 0) {
+			perror("Failed to connect to wpa_supplicant - "
+			       "wpa_ctrl_open");
+			return -1;
+		}
+
+		if (action_file) {
+			if (wpa_ctrl_attach(ctrl_conn) == 0) {
+				wpa_cli_attached = 1;
+			} else {
+				printf("Warning: Failed to attach to "
+				       "wpa_supplicant.\n");
+				return -1;
+			}
+		}
+	}
+
+	if (daemonize && os_daemonize(pid_file))
+		return -1;
+
+	if (interactive)
+		wpa_cli_interactive();
+	else if (action_file)
+		wpa_cli_action(ctrl_conn);
+	else
+		ret = wpa_request(ctrl_conn, argc - optind, &argv[optind]);
+
+	os_free(ctrl_ifname);
+	eloop_destroy();
+	wpa_cli_cleanup();
+
+	return ret;
+}
+
+#else /* CONFIG_CTRL_IFACE */
+int main(int argc, char *argv[])
+{
+	printf("CONFIG_CTRL_IFACE not defined - wpa_cli disabled\n");
+	return -1;
+}
+#endif /* CONFIG_CTRL_IFACE */