[thirdparty/hostap.git] / wpa_supplicant / ap.c

/*
 * WPA Supplicant - Basic AP mode support routines
 * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
 * Copyright (c) 2009, Atheros Communications
 *
 * 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 "utils/includes.h"

#include "utils/common.h"
#include "common/ieee802_11_defs.h"
#include "ap/hostapd.h"
#include "ap/ap_config.h"
#ifdef NEED_AP_MLME
#include "ap/ieee802_11.h"
#endif /* NEED_AP_MLME */
#include "ap/ieee802_1x.h"
#include "ap/wps_hostapd.h"
#include "ap/ctrl_iface_ap.h"
#include "eap_common/eap_defs.h"
#include "eap_server/eap_methods.h"
#include "eap_common/eap_wsc_common.h"
#include "wps/wps.h"
#include "config_ssid.h"
#include "config.h"
#include "wpa_supplicant_i.h"
#include "driver_i.h"
#include "ap.h"


static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
				  struct wpa_ssid *ssid,
				  struct hostapd_config *conf)
{
	struct hostapd_bss_config *bss = &conf->bss[0];
	int pairwise;

	conf->driver = wpa_s->driver;

	os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));

	if (ssid->frequency == 0) {
		/* default channel 11 */
		conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
		conf->channel = 11;
	} else if (ssid->frequency >= 2412 && ssid->frequency <= 2472) {
		conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
		conf->channel = (ssid->frequency - 2407) / 5;
	} else if ((ssid->frequency >= 5180 && ssid->frequency <= 5240) ||
		   (ssid->frequency >= 5745 && ssid->frequency <= 5825)) {
		conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
		conf->channel = (ssid->frequency - 5000) / 5;
	} else {
		wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
			   ssid->frequency);
		return -1;
	}

	/* TODO: enable HT if driver supports it;
	 * drop to 11b if driver does not support 11g */

	if (ssid->ssid_len == 0) {
		wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
		return -1;
	}
	os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
	bss->ssid.ssid[ssid->ssid_len] = '\0';
	bss->ssid.ssid_len = ssid->ssid_len;
	bss->ssid.ssid_set = 1;

	if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
		bss->wpa = ssid->proto;
	bss->wpa_key_mgmt = ssid->key_mgmt;
	bss->wpa_pairwise = ssid->pairwise_cipher;
	if (ssid->passphrase) {
		bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
	} else if (ssid->psk_set) {
		os_free(bss->ssid.wpa_psk);
		bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
		if (bss->ssid.wpa_psk == NULL)
			return -1;
		os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
		bss->ssid.wpa_psk->group = 1;
	}

	/* Select group cipher based on the enabled pairwise cipher suites */
	pairwise = 0;
	if (bss->wpa & 1)
		pairwise |= bss->wpa_pairwise;
	if (bss->wpa & 2) {
		if (bss->rsn_pairwise == 0)
			bss->rsn_pairwise = bss->wpa_pairwise;
		pairwise |= bss->rsn_pairwise;
	}
	if (pairwise & WPA_CIPHER_TKIP)
		bss->wpa_group = WPA_CIPHER_TKIP;
	else
		bss->wpa_group = WPA_CIPHER_CCMP;

	if (bss->wpa && bss->ieee802_1x)
		bss->ssid.security_policy = SECURITY_WPA;
	else if (bss->wpa)
		bss->ssid.security_policy = SECURITY_WPA_PSK;
	else if (bss->ieee802_1x) {
		bss->ssid.security_policy = SECURITY_IEEE_802_1X;
		bss->ssid.wep.default_len = bss->default_wep_key_len;
	} else if (bss->ssid.wep.keys_set)
		bss->ssid.security_policy = SECURITY_STATIC_WEP;
	else
		bss->ssid.security_policy = SECURITY_PLAINTEXT;

#ifdef CONFIG_WPS
	/*
	 * Enable WPS by default, but require user interaction to actually use
	 * it. Only the internal Registrar is supported.
	 */
	bss->eap_server = 1;
	bss->wps_state = 2;
	bss->ap_setup_locked = 1;
	if (wpa_s->conf->config_methods)
		bss->config_methods = os_strdup(wpa_s->conf->config_methods);
	if (wpa_s->conf->device_type)
		bss->device_type = os_strdup(wpa_s->conf->device_type);
#endif /* CONFIG_WPS */

	return 0;
}


static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
{
}


static int ap_probe_req_rx(void *ctx, const u8 *addr, const u8 *ie,
			   size_t ie_len)
{
	return 0;
}


static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
				  const u8 *uuid_e)
{
}


int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
			     struct wpa_ssid *ssid)
{
	struct wpa_driver_associate_params params;
	struct hostapd_iface *hapd_iface;
	struct hostapd_config *conf;
	size_t i;

	if (ssid->ssid == NULL || ssid->ssid_len == 0) {
		wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
		return -1;
	}

	wpa_supplicant_ap_deinit(wpa_s);

	wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
		   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));

	os_memset(&params, 0, sizeof(params));
	params.ssid = ssid->ssid;
	params.ssid_len = ssid->ssid_len;
	switch (ssid->mode) {
	case WPAS_MODE_INFRA:
		params.mode = IEEE80211_MODE_INFRA;
		break;
	case WPAS_MODE_IBSS:
		params.mode = IEEE80211_MODE_IBSS;
		break;
	case WPAS_MODE_AP:
		params.mode = IEEE80211_MODE_AP;
		break;
	}
	params.freq = ssid->frequency;

	if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
		wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
	else
		wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
	params.key_mgmt_suite = key_mgmt2driver(wpa_s->key_mgmt);

	if (ssid->pairwise_cipher & WPA_CIPHER_CCMP)
		wpa_s->pairwise_cipher = WPA_CIPHER_CCMP;
	else if (ssid->pairwise_cipher & WPA_CIPHER_TKIP)
		wpa_s->pairwise_cipher = WPA_CIPHER_TKIP;
	else if (ssid->pairwise_cipher & WPA_CIPHER_NONE)
		wpa_s->pairwise_cipher = WPA_CIPHER_NONE;
	else {
		wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
			   "cipher.");
		return -1;
	}
	params.pairwise_suite = cipher_suite2driver(wpa_s->pairwise_cipher);
	params.group_suite = params.pairwise_suite;

	if (wpa_drv_associate(wpa_s, &params) < 0) {
		wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
		return -1;
	}

	wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
	if (hapd_iface == NULL)
		return -1;
	hapd_iface->owner = wpa_s;

	wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
	if (conf == NULL) {
		wpa_supplicant_ap_deinit(wpa_s);
		return -1;
	}

	if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
		wpa_printf(MSG_ERROR, "Failed to create AP configuration");
		wpa_supplicant_ap_deinit(wpa_s);
		return -1;
	}

	hapd_iface->num_bss = conf->num_bss;
	hapd_iface->bss = os_zalloc(conf->num_bss *
				    sizeof(struct hostapd_data *));
	if (hapd_iface->bss == NULL) {
		wpa_supplicant_ap_deinit(wpa_s);
		return -1;
	}

	for (i = 0; i < conf->num_bss; i++) {
		hapd_iface->bss[i] =
			hostapd_alloc_bss_data(hapd_iface, conf,
					       &conf->bss[i]);
		if (hapd_iface->bss[i] == NULL) {
			wpa_supplicant_ap_deinit(wpa_s);
			return -1;
		}

		hapd_iface->bss[i]->msg_ctx = wpa_s;
		hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
		hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
		hostapd_register_probereq_cb(hapd_iface->bss[i],
					     ap_probe_req_rx, wpa_s);
		hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
		hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
	}

	os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
	hapd_iface->bss[0]->driver = wpa_s->driver;
	hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;

	if (hostapd_setup_interface(wpa_s->ap_iface)) {
		wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
		wpa_supplicant_ap_deinit(wpa_s);
		return -1;
	}

	wpa_s->current_ssid = ssid;
	os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
	wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);

	if (wpa_s->ap_configured_cb)
		wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
					wpa_s->ap_configured_cb_data);

	return 0;
}


void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
{
	if (wpa_s->ap_iface == NULL)
		return;

	wpa_s->current_ssid = NULL;
	hostapd_interface_deinit(wpa_s->ap_iface);
	hostapd_interface_free(wpa_s->ap_iface);
	wpa_s->ap_iface = NULL;
	wpa_drv_deinit_ap(wpa_s);
}


void ap_tx_status(void *ctx, const u8 *addr,
		  const u8 *buf, size_t len, int ack)
{
#ifdef NEED_AP_MLME
	struct wpa_supplicant *wpa_s = ctx;
	hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
#endif /* NEED_AP_MLME */
}


void ap_rx_from_unknown_sta(void *ctx, const u8 *frame, size_t len)
{
#ifdef NEED_AP_MLME
	struct wpa_supplicant *wpa_s = ctx;
	const struct ieee80211_hdr *hdr =
		(const struct ieee80211_hdr *) frame;
	u16 fc = le_to_host16(hdr->frame_control);
	ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], hdr->addr2,
				   (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) ==
				   (WLAN_FC_TODS | WLAN_FC_FROMDS));
#endif /* NEED_AP_MLME */
}


void ap_mgmt_rx(void *ctx, struct rx_mgmt *rx_mgmt)
{
#ifdef NEED_AP_MLME
	struct wpa_supplicant *wpa_s = ctx;
	struct hostapd_frame_info fi;
	os_memset(&fi, 0, sizeof(fi));
	fi.datarate = rx_mgmt->datarate;
	fi.ssi_signal = rx_mgmt->ssi_signal;
	ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
			rx_mgmt->frame_len, &fi);
#endif /* NEED_AP_MLME */
}


void ap_mgmt_tx_cb(void *ctx, const u8 *buf, size_t len, u16 stype, int ok)
{
#ifdef NEED_AP_MLME
	struct wpa_supplicant *wpa_s = ctx;
	ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
#endif /* NEED_AP_MLME */
}


void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
				const u8 *src_addr, const u8 *buf, size_t len)
{
	ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
}


#ifdef CONFIG_WPS

int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid)
{
	if (!wpa_s->ap_iface)
		return -1;
	return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0]);
}


int wpa_supplicant_ap_wps_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
			      const char *pin, char *buf, size_t buflen)
{
	int ret, ret_len = 0;

	if (!wpa_s->ap_iface)
		return -1;

	if (pin == NULL) {
		unsigned int rpin = wps_generate_pin();
		ret_len = os_snprintf(buf, buflen, "%d", rpin);
		pin = buf;
	}

	ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
				  0);
	if (ret)
		return -1;
	return ret_len;
}

#endif /* CONFIG_WPS */


#ifdef CONFIG_CTRL_IFACE

int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
			    char *buf, size_t buflen)
{
	if (wpa_s->ap_iface == NULL)
		return -1;
	return hostapd_ctrl_iface_sta_first(wpa_s->ap_iface->bss[0],
					    buf, buflen);
}


int ap_ctrl_iface_sta(struct wpa_supplicant *wpa_s, const char *txtaddr,
		      char *buf, size_t buflen)
{
	if (wpa_s->ap_iface == NULL)
		return -1;
	return hostapd_ctrl_iface_sta(wpa_s->ap_iface->bss[0], txtaddr,
				      buf, buflen);
}


int ap_ctrl_iface_sta_next(struct wpa_supplicant *wpa_s, const char *txtaddr,
			   char *buf, size_t buflen)
{
	if (wpa_s->ap_iface == NULL)
		return -1;
	return hostapd_ctrl_iface_sta_next(wpa_s->ap_iface->bss[0], txtaddr,
					   buf, buflen);
}


int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant *wpa_s, char *buf,
				 size_t buflen, int verbose)
{
	char *pos = buf, *end = buf + buflen;
	int ret;
	struct hostapd_bss_config *conf;

	if (wpa_s->ap_iface == NULL)
		return -1;

	conf = wpa_s->ap_iface->bss[0]->conf;
	if (conf->wpa == 0)
		return 0;

	ret = os_snprintf(pos, end - pos,
			  "pairwise_cipher=%s\n"
			  "group_cipher=%s\n"
			  "key_mgmt=%s\n",
			  wpa_cipher_txt(conf->rsn_pairwise),
			  wpa_cipher_txt(conf->wpa_group),
			  wpa_key_mgmt_txt(conf->wpa_key_mgmt,
					   conf->wpa));
	if (ret < 0 || ret >= end - pos)
		return pos - buf;
	pos += ret;
	return pos - buf;
}

#endif /* CONFIG_CTRL_IFACE */


int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
				      const u8 *addr)
{
	struct hostapd_data *hapd;
	struct hostapd_bss_config *conf;

	if (!wpa_s->ap_iface)
		return -1;

	if (addr)
		wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
			   MAC2STR(addr));
	else
		wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");

	hapd = wpa_s->ap_iface->bss[0];
	conf = hapd->conf;

	os_free(conf->accept_mac);
	conf->accept_mac = NULL;
	conf->num_accept_mac = 0;
	os_free(conf->deny_mac);
	conf->deny_mac = NULL;
	conf->num_deny_mac = 0;

	if (addr == NULL) {
		conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
		return 0;
	}

	conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
	conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
	if (conf->accept_mac == NULL)
		return -1;
	os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
	conf->num_accept_mac = 1;

	return 0;
}
Commit	Line	Data
f1a48710 JM	1	/*
	2	* WPA Supplicant - Basic AP mode support routines
	3	* Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
	4	* Copyright (c) 2009, Atheros Communications
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2 as
	8	* published by the Free Software Foundation.
	9	*
	10	* Alternatively, this software may be distributed under the terms of BSD
	11	* license.
	12	*
	13	* See README and COPYING for more details.
	14	*/
	15
6226e38d	16	#include "utils/includes.h"
f1a48710	17
6226e38d	18	#include "utils/common.h"
58c26600	19	#include "common/ieee802_11_defs.h"
1057d78e	20	#include "ap/hostapd.h"
6226e38d	21	#include "ap/ap_config.h"
fe6bdb77	22	#ifdef NEED_AP_MLME
1057d78e	23	#include "ap/ieee802_11.h"
fe6bdb77	24	#endif /* NEED_AP_MLME */
a8e0505b	25	#include "ap/ieee802_1x.h"
363b9e60	26	#include "ap/wps_hostapd.h"
0e2d35c6	27	#include "ap/ctrl_iface_ap.h"
f1a48710 JM	28	#include "eap_common/eap_defs.h"
	29	#include "eap_server/eap_methods.h"
	30	#include "eap_common/eap_wsc_common.h"
3ec97afe	31	#include "wps/wps.h"
1f1b62a0	32	#include "config_ssid.h"
094393b1	33	#include "config.h"
1f1b62a0	34	#include "wpa_supplicant_i.h"
2d5b792d JM	35	#include "driver_i.h"
2d5b792d JM	36	#include "ap.h"
f1a48710 JM	37
f1a48710 JM	38
07f117ed JM	39	static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
	40	struct wpa_ssid *ssid,
	41	struct hostapd_config *conf)
	42	{
	43	struct hostapd_bss_config *bss = &conf->bss[0];
a911a6e6	44	int pairwise;
c5121837	45
a911a6e6	46	conf->driver = wpa_s->driver;
07f117ed JM	47
	48	os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
	49
	50	if (ssid->frequency == 0) {
	51	/* default channel 11 */
	52	conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
	53	conf->channel = 11;
	54	} else if (ssid->frequency >= 2412 && ssid->frequency <= 2472) {
	55	conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
	56	conf->channel = (ssid->frequency - 2407) / 5;
	57	} else if ((ssid->frequency >= 5180 && ssid->frequency <= 5240) \|\|
	58	(ssid->frequency >= 5745 && ssid->frequency <= 5825)) {
b615a25e	59	conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
07f117ed JM	60	conf->channel = (ssid->frequency - 5000) / 5;
	61	} else {
	62	wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
	63	ssid->frequency);
	64	return -1;
	65	}
	66
	67	/* TODO: enable HT if driver supports it;
	68	* drop to 11b if driver does not support 11g */
	69
	70	if (ssid->ssid_len == 0) {
	71	wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
	72	return -1;
	73	}
	74	os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
	75	bss->ssid.ssid[ssid->ssid_len] = '\0';
	76	bss->ssid.ssid_len = ssid->ssid_len;
	77	bss->ssid.ssid_set = 1;
	78
	79	if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
	80	bss->wpa = ssid->proto;
	81	bss->wpa_key_mgmt = ssid->key_mgmt;
	82	bss->wpa_pairwise = ssid->pairwise_cipher;
	83	if (ssid->passphrase) {
	84	bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
07f117ed JM	85	} else if (ssid->psk_set) {
	86	os_free(bss->ssid.wpa_psk);
	87	bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
	88	if (bss->ssid.wpa_psk == NULL)
	89	return -1;
	90	os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
	91	bss->ssid.wpa_psk->group = 1;
	92	}
	93
07d9a552 JM	94	/* Select group cipher based on the enabled pairwise cipher suites */
	95	pairwise = 0;
	96	if (bss->wpa & 1)
	97	pairwise \|= bss->wpa_pairwise;
	98	if (bss->wpa & 2) {
	99	if (bss->rsn_pairwise == 0)
	100	bss->rsn_pairwise = bss->wpa_pairwise;
	101	pairwise \|= bss->rsn_pairwise;
	102	}
	103	if (pairwise & WPA_CIPHER_TKIP)
	104	bss->wpa_group = WPA_CIPHER_TKIP;
	105	else
	106	bss->wpa_group = WPA_CIPHER_CCMP;
	107
	108	if (bss->wpa && bss->ieee802_1x)
	109	bss->ssid.security_policy = SECURITY_WPA;
	110	else if (bss->wpa)
	111	bss->ssid.security_policy = SECURITY_WPA_PSK;
	112	else if (bss->ieee802_1x) {
	113	bss->ssid.security_policy = SECURITY_IEEE_802_1X;
	114	bss->ssid.wep.default_len = bss->default_wep_key_len;
	115	} else if (bss->ssid.wep.keys_set)
	116	bss->ssid.security_policy = SECURITY_STATIC_WEP;
	117	else
	118	bss->ssid.security_policy = SECURITY_PLAINTEXT;
	119
3ec97afe JM	120	#ifdef CONFIG_WPS
	121	/*
	122	* Enable WPS by default, but require user interaction to actually use
	123	* it. Only the internal Registrar is supported.
	124	*/
	125	bss->eap_server = 1;
	126	bss->wps_state = 2;
	127	bss->ap_setup_locked = 1;
094393b1 JM	128	if (wpa_s->conf->config_methods)
	129	bss->config_methods = os_strdup(wpa_s->conf->config_methods);
	130	if (wpa_s->conf->device_type)
	131	bss->device_type = os_strdup(wpa_s->conf->device_type);
3ec97afe JM	132	#endif /* CONFIG_WPS */
3ec97afe JM	133
07f117ed JM	134	return 0;
	135	}
	136
	137
c706d5aa JM	138	static void ap_public_action_rx(void ctx, const u8 buf, size_t len, int freq)
	139	{
	140	}
	141
	142
	143	static int ap_probe_req_rx(void ctx, const u8 addr, const u8 *ie,
	144	size_t ie_len)
	145	{
	146	return 0;
	147	}
	148
	149
	150	static void ap_wps_reg_success_cb(void ctx, const u8 mac_addr,
	151	const u8 *uuid_e)
	152	{
	153	}
	154
	155
2d5b792d JM	156	int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
	157	struct wpa_ssid *ssid)
	158	{
	159	struct wpa_driver_associate_params params;
	160	struct hostapd_iface *hapd_iface;
	161	struct hostapd_config *conf;
	162	size_t i;
f1a48710	163
2d5b792d JM	164	if (ssid->ssid == NULL \|\| ssid->ssid_len == 0) {
	165	wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
	166	return -1;
f1a48710 JM	167	}
f1a48710 JM	168
2d5b792d	169	wpa_supplicant_ap_deinit(wpa_s);
d2440ba0 JM	170
	171	wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
	172	wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
	173
	174	os_memset(&params, 0, sizeof(params));
	175	params.ssid = ssid->ssid;
	176	params.ssid_len = ssid->ssid_len;
d7dcba70 JM	177	switch (ssid->mode) {
	178	case WPAS_MODE_INFRA:
	179	params.mode = IEEE80211_MODE_INFRA;
	180	break;
	181	case WPAS_MODE_IBSS:
	182	params.mode = IEEE80211_MODE_IBSS;
	183	break;
	184	case WPAS_MODE_AP:
	185	params.mode = IEEE80211_MODE_AP;
	186	break;
	187	}
d2440ba0 JM	188	params.freq = ssid->frequency;
d2440ba0 JM	189
508545f3 JM	190	if (ssid->key_mgmt & WPA_KEY_MGMT_PSK)
	191	wpa_s->key_mgmt = WPA_KEY_MGMT_PSK;
	192	else
	193	wpa_s->key_mgmt = WPA_KEY_MGMT_NONE;
	194	params.key_mgmt_suite = key_mgmt2driver(wpa_s->key_mgmt);
	195
	196	if (ssid->pairwise_cipher & WPA_CIPHER_CCMP)
	197	wpa_s->pairwise_cipher = WPA_CIPHER_CCMP;
	198	else if (ssid->pairwise_cipher & WPA_CIPHER_TKIP)
	199	wpa_s->pairwise_cipher = WPA_CIPHER_TKIP;
	200	else if (ssid->pairwise_cipher & WPA_CIPHER_NONE)
	201	wpa_s->pairwise_cipher = WPA_CIPHER_NONE;
	202	else {
	203	wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise "
	204	"cipher.");
	205	return -1;
	206	}
	207	params.pairwise_suite = cipher_suite2driver(wpa_s->pairwise_cipher);
	208	params.group_suite = params.pairwise_suite;
	209
d2440ba0 JM	210	if (wpa_drv_associate(wpa_s, &params) < 0) {
	211	wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
	212	return -1;
	213	}
	214
2d5b792d JM	215	wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
	216	if (hapd_iface == NULL)
	217	return -1;
0f2b2c19	218	hapd_iface->owner = wpa_s;
1f1b62a0	219
2d5b792d JM	220	wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
	221	if (conf == NULL) {
	222	wpa_supplicant_ap_deinit(wpa_s);
	223	return -1;
	224	}
1f1b62a0	225
07f117ed JM	226	if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
	227	wpa_printf(MSG_ERROR, "Failed to create AP configuration");
	228	wpa_supplicant_ap_deinit(wpa_s);
	229	return -1;
	230	}
	231
2d5b792d JM	232	hapd_iface->num_bss = conf->num_bss;
	233	hapd_iface->bss = os_zalloc(conf->num_bss *
	234	sizeof(struct hostapd_data *));
	235	if (hapd_iface->bss == NULL) {
	236	wpa_supplicant_ap_deinit(wpa_s);
	237	return -1;
	238	}
1f1b62a0	239
2d5b792d JM	240	for (i = 0; i < conf->num_bss; i++) {
	241	hapd_iface->bss[i] =
	242	hostapd_alloc_bss_data(hapd_iface, conf,
	243	&conf->bss[i]);
	244	if (hapd_iface->bss[i] == NULL) {
	245	wpa_supplicant_ap_deinit(wpa_s);
	246	return -1;
	247	}
4f760fcc JM	248
4f760fcc JM	249	hapd_iface->bss[i]->msg_ctx = wpa_s;
c706d5aa JM	250	hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
	251	hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
	252	hostapd_register_probereq_cb(hapd_iface->bss[i],
	253	ap_probe_req_rx, wpa_s);
	254	hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
	255	hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
2d5b792d JM	256	}
2d5b792d JM	257
a911a6e6 JM	258	os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
	259	hapd_iface->bss[0]->driver = wpa_s->driver;
	260	hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv;
	261
	262	if (hostapd_setup_interface(wpa_s->ap_iface)) {
2d5b792d JM	263	wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
	264	wpa_supplicant_ap_deinit(wpa_s);
	265	return -1;
1f1b62a0 JM	266	}
1f1b62a0 JM	267
b2cc8056	268	wpa_s->current_ssid = ssid;
43fb5297	269	os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN);
137fb724 WS	270	wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
137fb724 WS	271
4b768ed0 JM	272	if (wpa_s->ap_configured_cb)
	273	wpa_s->ap_configured_cb(wpa_s->ap_configured_cb_ctx,
	274	wpa_s->ap_configured_cb_data);
	275
2d5b792d JM	276	return 0;
	277	}
	278
	279
	280	void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
	281	{
	282	if (wpa_s->ap_iface == NULL)
	283	return;
	284
7a649c7d	285	wpa_s->current_ssid = NULL;
2d5b792d	286	hostapd_interface_deinit(wpa_s->ap_iface);
f7c47833	287	hostapd_interface_free(wpa_s->ap_iface);
2d5b792d	288	wpa_s->ap_iface = NULL;
7a649c7d	289	wpa_drv_deinit_ap(wpa_s);
1f1b62a0	290	}
0915d02c JM	291
	292
	293	void ap_tx_status(void ctx, const u8 addr,
	294	const u8 *buf, size_t len, int ack)
	295	{
f8b1f695	296	#ifdef NEED_AP_MLME
0915d02c JM	297	struct wpa_supplicant *wpa_s = ctx;
0915d02c JM	298	hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
f8b1f695	299	#endif /* NEED_AP_MLME */
0915d02c JM	300	}
	301
	302
fdbe50ed	303	void ap_rx_from_unknown_sta(void ctx, const u8 frame, size_t len)
0915d02c	304	{
f8b1f695	305	#ifdef NEED_AP_MLME
0915d02c	306	struct wpa_supplicant *wpa_s = ctx;
fdbe50ed JM	307	const struct ieee80211_hdr *hdr =
fdbe50ed JM	308	(const struct ieee80211_hdr *) frame;
fbbfcbac FF	309	u16 fc = le_to_host16(hdr->frame_control);
	310	ieee802_11_rx_from_unknown(wpa_s->ap_iface->bss[0], hdr->addr2,
	311	(fc & (WLAN_FC_TODS \| WLAN_FC_FROMDS)) ==
	312	(WLAN_FC_TODS \| WLAN_FC_FROMDS));
f8b1f695	313	#endif /* NEED_AP_MLME */
0915d02c JM	314	}
	315
	316
2a8b7416	317	void ap_mgmt_rx(void ctx, struct rx_mgmt rx_mgmt)
0915d02c	318	{
f8b1f695	319	#ifdef NEED_AP_MLME
0915d02c	320	struct wpa_supplicant *wpa_s = ctx;
2a8b7416 JM	321	struct hostapd_frame_info fi;
	322	os_memset(&fi, 0, sizeof(fi));
	323	fi.datarate = rx_mgmt->datarate;
	324	fi.ssi_signal = rx_mgmt->ssi_signal;
	325	ieee802_11_mgmt(wpa_s->ap_iface->bss[0], rx_mgmt->frame,
	326	rx_mgmt->frame_len, &fi);
f8b1f695	327	#endif /* NEED_AP_MLME */
0915d02c JM	328	}
	329
	330
f8b1f695	331	void ap_mgmt_tx_cb(void ctx, const u8 buf, size_t len, u16 stype, int ok)
0915d02c	332	{
f8b1f695	333	#ifdef NEED_AP_MLME
0915d02c JM	334	struct wpa_supplicant *wpa_s = ctx;
0915d02c JM	335	ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
fe6bdb77	336	#endif /* NEED_AP_MLME */
f8b1f695	337	}
db149ac9 JM	338
	339
	340	void wpa_supplicant_ap_rx_eapol(struct wpa_supplicant *wpa_s,
	341	const u8 src_addr, const u8 buf, size_t len)
	342	{
a8e0505b	343	ieee802_1x_receive(wpa_s->ap_iface->bss[0], src_addr, buf, len);
db149ac9	344	}
3ec97afe JM	345
	346
	347	#ifdef CONFIG_WPS
	348
	349	int wpa_supplicant_ap_wps_pbc(struct wpa_supplicant wpa_s, const u8 bssid)
	350	{
48b357a9 JM	351	if (!wpa_s->ap_iface)
48b357a9 JM	352	return -1;
3ec97afe JM	353	return hostapd_wps_button_pushed(wpa_s->ap_iface->bss[0]);
	354	}
	355
	356
	357	int wpa_supplicant_ap_wps_pin(struct wpa_supplicant wpa_s, const u8 bssid,
	358	const char pin, char buf, size_t buflen)
	359	{
	360	int ret, ret_len = 0;
	361
48b357a9 JM	362	if (!wpa_s->ap_iface)
	363	return -1;
	364
3ec97afe JM	365	if (pin == NULL) {
	366	unsigned int rpin = wps_generate_pin();
	367	ret_len = os_snprintf(buf, buflen, "%d", rpin);
	368	pin = buf;
	369	}
	370
31fcea93 JM	371	ret = hostapd_wps_add_pin(wpa_s->ap_iface->bss[0], bssid, "any", pin,
31fcea93 JM	372	0);
3ec97afe JM	373	if (ret)
	374	return -1;
	375	return ret_len;
	376	}
	377
	378	#endif /* CONFIG_WPS */
e653b622 JM	379
e653b622 JM	380
35deb646 JM	381	#ifdef CONFIG_CTRL_IFACE
35deb646 JM	382
e653b622 JM	383	int ap_ctrl_iface_sta_first(struct wpa_supplicant *wpa_s,
	384	char *buf, size_t buflen)
	385	{
	386	if (wpa_s->ap_iface == NULL)
	387	return -1;
	388	return hostapd_ctrl_iface_sta_first(wpa_s->ap_iface->bss[0],
	389	buf, buflen);
	390	}
	391
	392
	393	int ap_ctrl_iface_sta(struct wpa_supplicant wpa_s, const char txtaddr,
	394	char *buf, size_t buflen)
	395	{
	396	if (wpa_s->ap_iface == NULL)
	397	return -1;
	398	return hostapd_ctrl_iface_sta(wpa_s->ap_iface->bss[0], txtaddr,
	399	buf, buflen);
	400	}
	401
	402
	403	int ap_ctrl_iface_sta_next(struct wpa_supplicant wpa_s, const char txtaddr,
	404	char *buf, size_t buflen)
	405	{
	406	if (wpa_s->ap_iface == NULL)
	407	return -1;
	408	return hostapd_ctrl_iface_sta_next(wpa_s->ap_iface->bss[0], txtaddr,
	409	buf, buflen);
	410	}
35deb646	411
43fb5297 JM	412
	413	int ap_ctrl_iface_wpa_get_status(struct wpa_supplicant wpa_s, char buf,
	414	size_t buflen, int verbose)
	415	{
	416	char pos = buf, end = buf + buflen;
	417	int ret;
	418	struct hostapd_bss_config *conf;
	419
	420	if (wpa_s->ap_iface == NULL)
	421	return -1;
	422
	423	conf = wpa_s->ap_iface->bss[0]->conf;
	424	if (conf->wpa == 0)
	425	return 0;
	426
	427	ret = os_snprintf(pos, end - pos,
	428	"pairwise_cipher=%s\n"
	429	"group_cipher=%s\n"
	430	"key_mgmt=%s\n",
	431	wpa_cipher_txt(conf->rsn_pairwise),
	432	wpa_cipher_txt(conf->wpa_group),
	433	wpa_key_mgmt_txt(conf->wpa_key_mgmt,
	434	conf->wpa));
	435	if (ret < 0 \|\| ret >= end - pos)
	436	return pos - buf;
	437	pos += ret;
	438	return pos - buf;
	439	}
	440
35deb646	441	#endif /* CONFIG_CTRL_IFACE */
f90ceeaa JM	442
	443
	444	int wpa_supplicant_ap_mac_addr_filter(struct wpa_supplicant *wpa_s,
	445	const u8 *addr)
	446	{
	447	struct hostapd_data *hapd;
	448	struct hostapd_bss_config *conf;
	449
	450	if (!wpa_s->ap_iface)
	451	return -1;
	452
	453	if (addr)
	454	wpa_printf(MSG_DEBUG, "AP: Set MAC address filter: " MACSTR,
	455	MAC2STR(addr));
	456	else
	457	wpa_printf(MSG_DEBUG, "AP: Clear MAC address filter");
	458
	459	hapd = wpa_s->ap_iface->bss[0];
	460	conf = hapd->conf;
	461
	462	os_free(conf->accept_mac);
	463	conf->accept_mac = NULL;
	464	conf->num_accept_mac = 0;
	465	os_free(conf->deny_mac);
	466	conf->deny_mac = NULL;
	467	conf->num_deny_mac = 0;
	468
	469	if (addr == NULL) {
	470	conf->macaddr_acl = ACCEPT_UNLESS_DENIED;
	471	return 0;
	472	}
	473
	474	conf->macaddr_acl = DENY_UNLESS_ACCEPTED;
	475	conf->accept_mac = os_zalloc(sizeof(struct mac_acl_entry));
	476	if (conf->accept_mac == NULL)
	477	return -1;
	478	os_memcpy(conf->accept_mac[0].addr, addr, ETH_ALEN);
	479	conf->num_accept_mac = 1;
	480
	481	return 0;
	482	}