* Driver interaction with Linux Host AP driver
* Copyright (c) 2003-2005, 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.
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
*/
#include "includes.h"
#include <sys/ioctl.h>
-#include "wireless_copy.h"
+#include "linux_wext.h"
#include "common.h"
#include "driver.h"
#include "driver_wext.h"
#include "driver_hostap.h"
-#ifdef HOSTAPD
-
#include <net/if_arp.h>
#include <netpacket/packet.h>
#include "netlink.h"
#include "linux_ioctl.h"
#include "common/ieee802_11_defs.h"
+#include "common/ieee802_11_common.h"
/* MTU to be set for the wlan#ap device; this is mainly needed for IEEE 802.1X
sa = hdr->addr2;
os_memset(&event, 0, sizeof(event));
- event.rx_from_unknown.frame = buf;
- event.rx_from_unknown.len = len;
+ event.rx_from_unknown.bssid = get_hdr_bssid(hdr, len);
+ event.rx_from_unknown.addr = sa;
wpa_supplicant_event(drv->hapd, EVENT_RX_FROM_UNKNOWN, &event);
pos = (u8 *) (hdr + 1);
static void handle_frame(struct hostap_driver_data *drv, u8 *buf, size_t len)
{
struct ieee80211_hdr *hdr;
- u16 fc, extra_len, type, stype;
- unsigned char *extra = NULL;
+ u16 fc, type, stype;
size_t data_len = len;
int ver;
union wpa_event_data event;
ver = fc & WLAN_FC_PVER;
- /* protocol version 3 is reserved for indicating extra data after the
- * payload, version 2 for indicating ACKed frame (TX callbacks), and
- * version 1 for indicating failed frame (no ACK, TX callbacks) */
- if (ver == 3) {
- u8 *pos = buf + len - 2;
- extra_len = WPA_GET_LE16(pos);
- printf("extra data in frame (elen=%d)\n", extra_len);
- if ((size_t) extra_len + 2 > len) {
- printf(" extra data overflow\n");
- return;
- }
- len -= extra_len + 2;
- extra = buf + len;
- } else if (ver == 1 || ver == 2) {
+ /* protocol version 2 is reserved for indicating ACKed frame (TX
+ * callbacks), and version 1 for indicating failed frame (no ACK, TX
+ * callbacks) */
+ if (ver == 1 || ver == 2) {
handle_tx_callback(drv, buf, data_len, ver == 2 ? 1 : 0);
return;
} else if (ver != 0) {
len = recv(sock, buf, sizeof(buf), 0);
if (len < 0) {
- perror("recv");
+ wpa_printf(MSG_ERROR, "recv: %s", strerror(errno));
return;
}
drv->sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
if (drv->sock < 0) {
- perror("socket[PF_PACKET,SOCK_RAW]");
+ wpa_printf(MSG_ERROR, "socket[PF_PACKET,SOCK_RAW]: %s",
+ strerror(errno));
return -1;
}
if (eloop_register_read_sock(drv->sock, handle_read, drv, NULL)) {
- printf("Could not register read socket\n");
+ wpa_printf(MSG_ERROR, "Could not register read socket");
return -1;
}
memset(&ifr, 0, sizeof(ifr));
snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%sap", drv->iface);
if (ioctl(drv->sock, SIOCGIFINDEX, &ifr) != 0) {
- perror("ioctl(SIOCGIFINDEX)");
+ wpa_printf(MSG_ERROR, "ioctl(SIOCGIFINDEX): %s",
+ strerror(errno));
return -1;
}
addr.sll_ifindex);
if (bind(drv->sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
- perror("bind");
+ wpa_printf(MSG_ERROR, "bind: %s", strerror(errno));
return -1;
}
}
-static int hostap_send_mlme(void *priv, const u8 *msg, size_t len)
+static int hostap_send_mlme(void *priv, const u8 *msg, size_t len, int noack,
+ unsigned int freq)
{
struct hostap_driver_data *drv = priv;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) msg;
static int hostap_send_eapol(void *priv, const u8 *addr, const u8 *data,
- size_t data_len, int encrypt, const u8 *own_addr)
+ size_t data_len, int encrypt, const u8 *own_addr,
+ u32 flags)
{
struct hostap_driver_data *drv = priv;
struct ieee80211_hdr *hdr;
pos += 2;
memcpy(pos, data, data_len);
- res = hostap_send_mlme(drv, (u8 *) hdr, len);
+ res = hostap_send_mlme(drv, (u8 *) hdr, len, 0, 0);
if (res < 0) {
wpa_printf(MSG_ERROR, "hostap_send_eapol - packet len: %lu - "
"failed: %d (%s)",
(unsigned long) len, errno, strerror(errno));
}
- free(hdr);
+ os_free(hdr);
return res;
}
static int hostap_sta_set_flags(void *priv, const u8 *addr,
- int total_flags, int flags_or, int flags_and)
+ unsigned int total_flags, unsigned int flags_or,
+ unsigned int flags_and)
{
struct hostap_driver_data *drv = priv;
struct prism2_hostapd_param param;
os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
ifr.ifr_mtu = HOSTAPD_MTU;
if (ioctl(drv->ioctl_sock, SIOCSIFMTU, &ifr) != 0) {
- perror("ioctl[SIOCSIFMTU]");
- printf("Setting MTU failed - trying to survive with "
- "current value\n");
+ wpa_printf(MSG_INFO,
+ "Setting MTU failed - trying to survive with current value: ioctl[SIOCSIFMTU]: %s",
+ strerror(errno));
}
}
iwr.u.data.length = len;
if (ioctl(drv->ioctl_sock, PRISM2_IOCTL_HOSTAPD, &iwr) < 0) {
- perror("ioctl[PRISM2_IOCTL_HOSTAPD]");
+ wpa_printf(MSG_ERROR, "ioctl[PRISM2_IOCTL_HOSTAPD]: %s",
+ strerror(errno));
return -1;
}
param = (struct prism2_hostapd_param *) buf;
param->cmd = PRISM2_GET_ENCRYPTION;
if (addr == NULL)
- memset(param->sta_addr, 0xff, ETH_ALEN);
+ os_memset(param->sta_addr, 0xff, ETH_ALEN);
else
- memcpy(param->sta_addr, addr, ETH_ALEN);
+ os_memcpy(param->sta_addr, addr, ETH_ALEN);
param->u.crypt.idx = idx;
if (hostapd_ioctl(drv, param, blen)) {
printf("Failed to get encryption.\n");
ret = -1;
} else {
- memcpy(seq, param->u.crypt.seq, 8);
+ os_memcpy(seq, param->u.crypt.seq, 8);
}
- free(buf);
+ os_free(buf);
return ret;
}
*i++ = value;
if (ioctl(drv->ioctl_sock, PRISM2_IOCTL_PRISM2_PARAM, &iwr) < 0) {
- perror("ioctl[PRISM2_IOCTL_PRISM2_PARAM]");
+ wpa_printf(MSG_ERROR, "ioctl[PRISM2_IOCTL_PRISM2_PARAM]: %s",
+ strerror(errno));
return -1;
}
iwr.u.essid.length = len + 1;
if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
- perror("ioctl[SIOCSIWESSID]");
- printf("len=%d\n", len);
+ wpa_printf(MSG_ERROR, "ioctl[SIOCSIWESSID,len=%d]: %s",
+ len, strerror(errno));
return -1;
}
sizeof(range->enc_capa);
if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
- perror("ioctl[SIOCGIWRANGE]");
- free(range);
+ wpa_printf(MSG_ERROR, "ioctl[SIOCGIWRANGE]: %s",
+ strerror(errno));
+ os_free(range);
return -1;
} else if (iwr.u.data.length >= minlen &&
range->we_version_compiled >= 18) {
drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
if (drv->ioctl_sock < 0) {
- perror("socket[PF_INET,SOCK_DGRAM]");
- free(drv);
+ wpa_printf(MSG_ERROR, "socket[PF_INET,SOCK_DGRAM]: %s",
+ strerror(errno));
+ os_free(drv);
return NULL;
}
if (hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOSTAPD, 1)) {
- printf("Could not enable hostapd mode for interface %s\n",
- drv->iface);
+ wpa_printf(MSG_ERROR,
+ "Could not enable hostapd mode for interface %s",
+ drv->iface);
close(drv->ioctl_sock);
- free(drv);
+ os_free(drv);
return NULL;
}
if (hostap_init_sockets(drv, params->own_addr) ||
hostap_wireless_event_init(drv)) {
close(drv->ioctl_sock);
- free(drv);
+ os_free(drv);
return NULL;
}
struct hostap_driver_data *drv = priv;
struct ieee80211_mgmt mgmt;
+ if (is_broadcast_ether_addr(addr)) {
+ /*
+ * New Prism2.5/3 STA firmware versions seem to have issues
+ * with this broadcast deauth frame. This gets the firmware in
+ * odd state where nothing works correctly, so let's skip
+ * sending this for the hostap driver.
+ */
+ return 0;
+ }
+
memset(&mgmt, 0, sizeof(mgmt));
mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
WLAN_FC_STYPE_DEAUTH);
memcpy(mgmt.bssid, own_addr, ETH_ALEN);
mgmt.u.deauth.reason_code = host_to_le16(reason);
return hostap_send_mlme(drv, (u8 *) &mgmt, IEEE80211_HDRLEN +
- sizeof(mgmt.u.deauth));
+ sizeof(mgmt.u.deauth), 0, 0);
+}
+
+
+static int hostap_set_freq(void *priv, struct hostapd_freq_params *freq)
+{
+ struct hostap_driver_data *drv = priv;
+ struct iwreq iwr;
+
+ os_memset(&iwr, 0, sizeof(iwr));
+ os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+ iwr.u.freq.m = freq->channel;
+ iwr.u.freq.e = 0;
+
+ if (ioctl(drv->ioctl_sock, SIOCSIWFREQ, &iwr) < 0) {
+ wpa_printf(MSG_ERROR, "ioctl[SIOCSIWFREQ]: %s",
+ strerror(errno));
+ return -1;
+ }
+
+ return 0;
}
memcpy(mgmt.bssid, own_addr, ETH_ALEN);
mgmt.u.disassoc.reason_code = host_to_le16(reason);
return hostap_send_mlme(drv, (u8 *) &mgmt, IEEE80211_HDRLEN +
- sizeof(mgmt.u.disassoc));
+ sizeof(mgmt.u.disassoc), 0, 0);
}
return mode;
}
-#else /* HOSTAPD */
-
-struct wpa_driver_hostap_data {
- void *wext; /* private data for driver_wext */
- void *ctx;
- char ifname[IFNAMSIZ + 1];
- int sock;
- int current_mode; /* infra/adhoc */
-};
-
-
-static int wpa_driver_hostap_set_auth_alg(void *priv, int auth_alg);
-
-
-static int hostapd_ioctl(struct wpa_driver_hostap_data *drv,
- struct prism2_hostapd_param *param,
- int len, int show_err)
-{
- struct iwreq iwr;
-
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- iwr.u.data.pointer = (caddr_t) param;
- iwr.u.data.length = len;
-
- if (ioctl(drv->sock, PRISM2_IOCTL_HOSTAPD, &iwr) < 0) {
- int ret = errno;
- if (show_err)
- perror("ioctl[PRISM2_IOCTL_HOSTAPD]");
- return ret;
- }
-
- return 0;
-}
-
-
-static int wpa_driver_hostap_set_wpa_ie(struct wpa_driver_hostap_data *drv,
- const u8 *wpa_ie, size_t wpa_ie_len)
-{
- struct prism2_hostapd_param *param;
- int res;
- size_t blen = PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN + wpa_ie_len;
- if (blen < sizeof(*param))
- blen = sizeof(*param);
-
- param = os_zalloc(blen);
- if (param == NULL)
- return -1;
-
- param->cmd = PRISM2_HOSTAPD_SET_GENERIC_ELEMENT;
- param->u.generic_elem.len = wpa_ie_len;
- os_memcpy(param->u.generic_elem.data, wpa_ie, wpa_ie_len);
- res = hostapd_ioctl(drv, param, blen, 1);
-
- os_free(param);
-
- return res;
-}
-
-
-static int prism2param(struct wpa_driver_hostap_data *drv, int param,
- int value)
-{
- struct iwreq iwr;
- int *i, ret = 0;
-
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- i = (int *) iwr.u.name;
- *i++ = param;
- *i++ = value;
-
- if (ioctl(drv->sock, PRISM2_IOCTL_PRISM2_PARAM, &iwr) < 0) {
- perror("ioctl[PRISM2_IOCTL_PRISM2_PARAM]");
- ret = -1;
- }
- return ret;
-}
-
-
-static int wpa_driver_hostap_set_wpa(void *priv, int enabled)
-{
- struct wpa_driver_hostap_data *drv = priv;
- int ret = 0;
-
- wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
-
- if (!enabled && wpa_driver_hostap_set_wpa_ie(drv, NULL, 0) < 0)
- ret = -1;
- if (prism2param(drv, PRISM2_PARAM_HOST_ROAMING, enabled ? 2 : 0) < 0)
- ret = -1;
- if (prism2param(drv, PRISM2_PARAM_WPA, enabled) < 0)
- ret = -1;
-
- return ret;
-}
-
-
-static void show_set_key_error(struct prism2_hostapd_param *param)
-{
- switch (param->u.crypt.err) {
- case HOSTAP_CRYPT_ERR_UNKNOWN_ALG:
- wpa_printf(MSG_INFO, "Unknown algorithm '%s'.",
- param->u.crypt.alg);
- wpa_printf(MSG_INFO, "You may need to load kernel module to "
- "register that algorithm.");
- wpa_printf(MSG_INFO, "E.g., 'modprobe hostap_crypt_wep' for "
- "WEP.");
- break;
- case HOSTAP_CRYPT_ERR_UNKNOWN_ADDR:
- wpa_printf(MSG_INFO, "Unknown address " MACSTR ".",
- MAC2STR(param->sta_addr));
- break;
- case HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED:
- wpa_printf(MSG_INFO, "Crypt algorithm initialization failed.");
- break;
- case HOSTAP_CRYPT_ERR_KEY_SET_FAILED:
- wpa_printf(MSG_INFO, "Key setting failed.");
- break;
- case HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED:
- wpa_printf(MSG_INFO, "TX key index setting failed.");
- break;
- case HOSTAP_CRYPT_ERR_CARD_CONF_FAILED:
- wpa_printf(MSG_INFO, "Card configuration failed.");
- break;
- }
-}
-
-
-static int wpa_driver_hostap_set_key(const char *ifname, void *priv,
- enum wpa_alg alg, const u8 *addr,
- int key_idx, int set_tx,
- const u8 *seq, size_t seq_len,
- const u8 *key, size_t key_len)
-{
- struct wpa_driver_hostap_data *drv = priv;
- struct prism2_hostapd_param *param;
- u8 *buf;
- size_t blen;
- int ret = 0;
- char *alg_name;
-
- switch (alg) {
- case WPA_ALG_NONE:
- alg_name = "none";
- break;
- case WPA_ALG_WEP:
- alg_name = "WEP";
- break;
- case WPA_ALG_TKIP:
- alg_name = "TKIP";
- break;
- case WPA_ALG_CCMP:
- alg_name = "CCMP";
- break;
- default:
- return -1;
- }
-
- wpa_printf(MSG_DEBUG, "%s: alg=%s key_idx=%d set_tx=%d seq_len=%lu "
- "key_len=%lu", __FUNCTION__, alg_name, key_idx, set_tx,
- (unsigned long) seq_len, (unsigned long) key_len);
-
- if (seq_len > 8)
- return -2;
-
- blen = sizeof(*param) + key_len;
- buf = os_zalloc(blen);
- if (buf == NULL)
- return -1;
-
- param = (struct prism2_hostapd_param *) buf;
- param->cmd = PRISM2_SET_ENCRYPTION;
- /* TODO: In theory, STA in client mode can use five keys; four default
- * keys for receiving (with keyidx 0..3) and one individual key for
- * both transmitting and receiving (keyidx 0) _unicast_ packets. Now,
- * keyidx 0 is reserved for this unicast use and default keys can only
- * use keyidx 1..3 (i.e., default key with keyidx 0 is not supported).
- * This should be fine for more or less all cases, but for completeness
- * sake, the driver could be enhanced to support the missing key. */
-#if 0
- if (addr == NULL)
- os_memset(param->sta_addr, 0xff, ETH_ALEN);
- else
- os_memcpy(param->sta_addr, addr, ETH_ALEN);
-#else
- os_memset(param->sta_addr, 0xff, ETH_ALEN);
-#endif
- os_strlcpy((char *) param->u.crypt.alg, alg_name,
- HOSTAP_CRYPT_ALG_NAME_LEN);
- param->u.crypt.flags = set_tx ? HOSTAP_CRYPT_FLAG_SET_TX_KEY : 0;
- param->u.crypt.idx = key_idx;
- os_memcpy(param->u.crypt.seq, seq, seq_len);
- param->u.crypt.key_len = key_len;
- os_memcpy((u8 *) (param + 1), key, key_len);
-
- if (hostapd_ioctl(drv, param, blen, 1)) {
- wpa_printf(MSG_WARNING, "Failed to set encryption.");
- show_set_key_error(param);
- ret = -1;
- }
- os_free(buf);
-
- return ret;
-}
-
-
-static int wpa_driver_hostap_set_countermeasures(void *priv, int enabled)
-{
- struct wpa_driver_hostap_data *drv = priv;
- wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
- return prism2param(drv, PRISM2_PARAM_TKIP_COUNTERMEASURES, enabled);
-}
-
-
-static int wpa_driver_hostap_reset(struct wpa_driver_hostap_data *drv,
- int type)
-{
- struct iwreq iwr;
- int *i, ret = 0;
-
- wpa_printf(MSG_DEBUG, "%s: type=%d", __FUNCTION__, type);
-
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- i = (int *) iwr.u.name;
- *i++ = type;
-
- if (ioctl(drv->sock, PRISM2_IOCTL_RESET, &iwr) < 0) {
- perror("ioctl[PRISM2_IOCTL_RESET]");
- ret = -1;
- }
- return ret;
-}
-
-
-static int wpa_driver_hostap_mlme(struct wpa_driver_hostap_data *drv,
- const u8 *addr, int cmd, int reason_code)
-{
- struct prism2_hostapd_param param;
- int ret;
-
- /* There does not seem to be a better way of deauthenticating or
- * disassociating with Prism2/2.5/3 than sending the management frame
- * and then resetting the Port0 to make sure both the AP and the STA
- * end up in disconnected state. */
- os_memset(¶m, 0, sizeof(param));
- param.cmd = PRISM2_HOSTAPD_MLME;
- os_memcpy(param.sta_addr, addr, ETH_ALEN);
- param.u.mlme.cmd = cmd;
- param.u.mlme.reason_code = reason_code;
- ret = hostapd_ioctl(drv, ¶m, sizeof(param), 1);
- if (ret == 0) {
- os_sleep(0, 100000);
- ret = wpa_driver_hostap_reset(drv, 2);
- }
- return ret;
-}
-
-
-static int wpa_driver_hostap_deauthenticate(void *priv, const u8 *addr,
- int reason_code)
-{
- struct wpa_driver_hostap_data *drv = priv;
- wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
- return wpa_driver_hostap_mlme(drv, addr, MLME_STA_DEAUTH,
- reason_code);
-}
-
-
-static int wpa_driver_hostap_disassociate(void *priv, const u8 *addr,
- int reason_code)
-{
- struct wpa_driver_hostap_data *drv = priv;
- wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
- return wpa_driver_hostap_mlme(drv, addr, MLME_STA_DISASSOC,
- reason_code);
-}
-
-
-static int
-wpa_driver_hostap_associate(void *priv,
- struct wpa_driver_associate_params *params)
-{
- struct wpa_driver_hostap_data *drv = priv;
- int ret = 0;
- int allow_unencrypted_eapol;
-
- wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
-
- if (prism2param(drv, PRISM2_PARAM_DROP_UNENCRYPTED,
- params->drop_unencrypted) < 0)
- ret = -1;
- if (wpa_driver_hostap_set_auth_alg(drv, params->auth_alg) < 0)
- ret = -1;
- if (params->mode != drv->current_mode) {
- /* At the moment, Host AP driver requires host_roaming=2 for
- * infrastructure mode and host_roaming=0 for adhoc. */
- if (prism2param(drv, PRISM2_PARAM_HOST_ROAMING,
- params->mode == IEEE80211_MODE_IBSS ? 0 : 2) <
- 0) {
- wpa_printf(MSG_DEBUG, "%s: failed to set host_roaming",
- __func__);
- }
- drv->current_mode = params->mode;
- }
-
- if (prism2param(drv, PRISM2_PARAM_PRIVACY_INVOKED,
- params->key_mgmt_suite != KEY_MGMT_NONE) < 0)
- ret = -1;
- if (wpa_driver_hostap_set_wpa_ie(drv, params->wpa_ie,
- params->wpa_ie_len) < 0)
- ret = -1;
- if (wpa_driver_wext_set_mode(drv->wext, params->mode) < 0)
- ret = -1;
- if (params->freq &&
- wpa_driver_wext_set_freq(drv->wext, params->freq) < 0)
- ret = -1;
- if (wpa_driver_wext_set_ssid(drv->wext, params->ssid, params->ssid_len)
- < 0)
- ret = -1;
- if (wpa_driver_wext_set_bssid(drv->wext, params->bssid) < 0)
- ret = -1;
-
- /* Allow unencrypted EAPOL messages even if pairwise keys are set when
- * not using WPA. IEEE 802.1X specifies that these frames are not
- * encrypted, but WPA encrypts them when pairwise keys are in use. */
- if (params->key_mgmt_suite == KEY_MGMT_802_1X ||
- params->key_mgmt_suite == KEY_MGMT_PSK)
- allow_unencrypted_eapol = 0;
- else
- allow_unencrypted_eapol = 1;
-
- if (prism2param(drv, PRISM2_PARAM_IEEE_802_1X,
- allow_unencrypted_eapol) < 0) {
- wpa_printf(MSG_DEBUG, "hostap: Failed to configure "
- "ieee_802_1x param");
- /* Ignore this error.. driver_hostap.c can also be used with
- * other drivers that do not support this prism2_param. */
- }
-
- return ret;
-}
-
-static int wpa_driver_hostap_scan(void *priv,
- struct wpa_driver_scan_params *params)
+static void wpa_driver_hostap_poll_client(void *priv, const u8 *own_addr,
+ const u8 *addr, int qos)
{
- struct wpa_driver_hostap_data *drv = priv;
- struct prism2_hostapd_param param;
- int ret;
- const u8 *ssid = params->ssids[0].ssid;
- size_t ssid_len = params->ssids[0].ssid_len;
-
- if (ssid == NULL) {
- /* Use standard Linux Wireless Extensions ioctl if possible
- * because some drivers using hostap code in wpa_supplicant
- * might not support Host AP specific scan request (with SSID
- * info). */
- return wpa_driver_wext_scan(drv->wext, params);
- }
-
- if (ssid_len > 32)
- ssid_len = 32;
+ struct ieee80211_hdr hdr;
- os_memset(¶m, 0, sizeof(param));
- param.cmd = PRISM2_HOSTAPD_SCAN_REQ;
- param.u.scan_req.ssid_len = ssid_len;
- os_memcpy(param.u.scan_req.ssid, ssid, ssid_len);
- ret = hostapd_ioctl(drv, ¶m, sizeof(param), 1);
-
- /* Not all drivers generate "scan completed" wireless event, so try to
- * read results after a timeout. */
- eloop_cancel_timeout(wpa_driver_wext_scan_timeout, drv->wext,
- drv->ctx);
- eloop_register_timeout(3, 0, wpa_driver_wext_scan_timeout, drv->wext,
- drv->ctx);
-
- return ret;
-}
-
-
-static int wpa_driver_hostap_set_auth_alg(void *priv, int auth_alg)
-{
- struct wpa_driver_hostap_data *drv = priv;
- int algs = 0;
-
- if (auth_alg & WPA_AUTH_ALG_OPEN)
- algs |= 1;
- if (auth_alg & WPA_AUTH_ALG_SHARED)
- algs |= 2;
- if (auth_alg & WPA_AUTH_ALG_LEAP)
- algs |= 4;
- if (algs == 0)
- algs = 1; /* at least one algorithm should be set */
-
- return prism2param(drv, PRISM2_PARAM_AP_AUTH_ALGS, algs);
-}
-
-
-static int wpa_driver_hostap_get_bssid(void *priv, u8 *bssid)
-{
- struct wpa_driver_hostap_data *drv = priv;
- return wpa_driver_wext_get_bssid(drv->wext, bssid);
-}
-
-
-static int wpa_driver_hostap_get_ssid(void *priv, u8 *ssid)
-{
- struct wpa_driver_hostap_data *drv = priv;
- return wpa_driver_wext_get_ssid(drv->wext, ssid);
-}
+ os_memset(&hdr, 0, sizeof(hdr));
+ /*
+ * WLAN_FC_STYPE_NULLFUNC would be more appropriate,
+ * but it is apparently not retried so TX Exc events
+ * are not received for it.
+ * This is the reason the driver overrides the default
+ * handling.
+ */
+ hdr.frame_control = IEEE80211_FC(WLAN_FC_TYPE_DATA,
+ WLAN_FC_STYPE_DATA);
-static struct wpa_scan_results * wpa_driver_hostap_get_scan_results(void *priv)
-{
- struct wpa_driver_hostap_data *drv = priv;
- return wpa_driver_wext_get_scan_results(drv->wext);
-}
-
-
-static int wpa_driver_hostap_set_operstate(void *priv, int state)
-{
- struct wpa_driver_hostap_data *drv = priv;
- return wpa_driver_wext_set_operstate(drv->wext, state);
-}
-
-
-static void * wpa_driver_hostap_init(void *ctx, const char *ifname)
-{
- struct wpa_driver_hostap_data *drv;
-
- drv = os_zalloc(sizeof(*drv));
- if (drv == NULL)
- return NULL;
- drv->wext = wpa_driver_wext_init(ctx, ifname);
- if (drv->wext == NULL) {
- os_free(drv);
- return NULL;
- }
-
- drv->ctx = ctx;
- os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
- drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
- if (drv->sock < 0) {
- perror("socket");
- wpa_driver_wext_deinit(drv->wext);
- os_free(drv);
- return NULL;
- }
-
- if (os_strncmp(ifname, "wlan", 4) == 0) {
- /*
- * Host AP driver may use both wlan# and wifi# interface in
- * wireless events.
- */
- char ifname2[IFNAMSIZ + 1];
- os_strlcpy(ifname2, ifname, sizeof(ifname2));
- os_memcpy(ifname2, "wifi", 4);
- wpa_driver_wext_alternative_ifindex(drv->wext, ifname2);
- }
-
- wpa_driver_hostap_set_wpa(drv, 1);
-
- return drv;
-}
-
+ hdr.frame_control |=
+ host_to_le16(WLAN_FC_FROMDS);
+ os_memcpy(hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
+ os_memcpy(hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
+ os_memcpy(hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
-static void wpa_driver_hostap_deinit(void *priv)
-{
- struct wpa_driver_hostap_data *drv = priv;
- wpa_driver_hostap_set_wpa(drv, 0);
- wpa_driver_wext_deinit(drv->wext);
- close(drv->sock);
- os_free(drv);
+ hostap_send_mlme(priv, (u8 *)&hdr, sizeof(hdr), 0, 0);
}
-#endif /* HOSTAPD */
-
const struct wpa_driver_ops wpa_driver_hostap_ops = {
.name = "hostap",
.desc = "Host AP driver (Intersil Prism2/2.5/3)",
.set_key = wpa_driver_hostap_set_key,
-#ifdef HOSTAPD
.hapd_init = hostap_init,
.hapd_deinit = hostap_driver_deinit,
.set_ieee8021x = hostap_set_ieee8021x,
.sta_clear_stats = hostap_sta_clear_stats,
.get_hw_feature_data = hostap_get_hw_feature_data,
.set_ap_wps_ie = hostap_set_ap_wps_ie,
-#else /* HOSTAPD */
- .get_bssid = wpa_driver_hostap_get_bssid,
- .get_ssid = wpa_driver_hostap_get_ssid,
- .set_countermeasures = wpa_driver_hostap_set_countermeasures,
- .scan2 = wpa_driver_hostap_scan,
- .get_scan_results2 = wpa_driver_hostap_get_scan_results,
- .deauthenticate = wpa_driver_hostap_deauthenticate,
- .disassociate = wpa_driver_hostap_disassociate,
- .associate = wpa_driver_hostap_associate,
- .init = wpa_driver_hostap_init,
- .deinit = wpa_driver_hostap_deinit,
- .set_operstate = wpa_driver_hostap_set_operstate,
-#endif /* HOSTAPD */
+ .set_freq = hostap_set_freq,
+ .poll_client = wpa_driver_hostap_poll_client,
};
projects / mech_eap.git / blobdiff