/*
* Driver interaction with generic Linux Wireless Extensions
- * Copyright (c) 2003-2010, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2003-2015, 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.
*
* This file implements a driver interface for the Linux Wireless Extensions.
* When used with WE-18 or newer, this interface can be used as-is with number
#include "includes.h"
#include <sys/ioctl.h>
+#include <sys/types.h>
#include <sys/stat.h>
+#include <fcntl.h>
#include <net/if_arp.h>
+#include <dirent.h>
-#include "wireless_copy.h"
+#include "linux_wext.h"
#include "common.h"
#include "eloop.h"
#include "common/ieee802_11_defs.h"
#include "driver.h"
#include "driver_wext.h"
-
static int wpa_driver_wext_flush_pmkid(void *priv);
static int wpa_driver_wext_get_range(void *priv);
static int wpa_driver_wext_finish_drv_init(struct wpa_driver_wext_data *drv);
os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
if (ioctl(drv->ioctl_sock, SIOCGIWAP, &iwr) < 0) {
- perror("ioctl[SIOCGIWAP]");
+ wpa_printf(MSG_ERROR, "ioctl[SIOCGIWAP]: %s", strerror(errno));
ret = -1;
}
os_memcpy(bssid, iwr.u.ap_addr.sa_data, ETH_ALEN);
os_memset(iwr.u.ap_addr.sa_data, 0, ETH_ALEN);
if (ioctl(drv->ioctl_sock, SIOCSIWAP, &iwr) < 0) {
- perror("ioctl[SIOCSIWAP]");
+ wpa_printf(MSG_ERROR, "ioctl[SIOCSIWAP]: %s", strerror(errno));
ret = -1;
}
os_memset(&iwr, 0, sizeof(iwr));
os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
iwr.u.essid.pointer = (caddr_t) ssid;
- iwr.u.essid.length = 32;
+ iwr.u.essid.length = SSID_MAX_LEN;
if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
- perror("ioctl[SIOCGIWESSID]");
+ wpa_printf(MSG_ERROR, "ioctl[SIOCGIWESSID]: %s",
+ strerror(errno));
ret = -1;
} else {
ret = iwr.u.essid.length;
- if (ret > 32)
- ret = 32;
+ if (ret > SSID_MAX_LEN)
+ ret = SSID_MAX_LEN;
/* Some drivers include nul termination in the SSID, so let's
* remove it here before further processing. WE-21 changes this
* to explicitly require the length _not_ to include nul
int ret = 0;
char buf[33];
- if (ssid_len > 32)
+ if (ssid_len > SSID_MAX_LEN)
return -1;
os_memset(&iwr, 0, sizeof(iwr));
iwr.u.essid.length = ssid_len;
if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
- perror("ioctl[SIOCSIWESSID]");
+ wpa_printf(MSG_ERROR, "ioctl[SIOCSIWESSID]: %s",
+ strerror(errno));
ret = -1;
}
iwr.u.freq.e = 1;
if (ioctl(drv->ioctl_sock, SIOCSIWFREQ, &iwr) < 0) {
- perror("ioctl[SIOCSIWFREQ]");
+ wpa_printf(MSG_ERROR, "ioctl[SIOCSIWFREQ]: %s",
+ strerror(errno));
ret = -1;
}
static void wpa_driver_wext_event_wireless(struct wpa_driver_wext_data *drv,
- char *data, int len)
+ char *data, unsigned int len)
{
struct iw_event iwe_buf, *iwe = &iwe_buf;
char *pos, *end, *custom, *buf;
pos = data;
end = data + len;
- while (pos + IW_EV_LCP_LEN <= end) {
+ while ((size_t) (end - pos) >= IW_EV_LCP_LEN) {
/* Event data may be unaligned, so make a local, aligned copy
* before processing. */
os_memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
wpa_printf(MSG_DEBUG, "Wireless event: cmd=0x%x len=%d",
iwe->cmd, iwe->len);
- if (iwe->len <= IW_EV_LCP_LEN)
+ if (iwe->len <= IW_EV_LCP_LEN || iwe->len > end - pos)
return;
custom = pos + IW_EV_POINT_LEN;
}
break;
case IWEVMICHAELMICFAILURE:
- if (custom + iwe->u.data.length > end) {
+ if (iwe->u.data.length > end - custom) {
wpa_printf(MSG_DEBUG, "WEXT: Invalid "
"IWEVMICHAELMICFAILURE length");
return;
drv->ctx, custom, iwe->u.data.length);
break;
case IWEVCUSTOM:
- if (custom + iwe->u.data.length > end) {
+ if (iwe->u.data.length > end - custom) {
wpa_printf(MSG_DEBUG, "WEXT: Invalid "
"IWEVCUSTOM length");
return;
}
- buf = os_malloc(iwe->u.data.length + 1);
+ buf = dup_binstr(custom, iwe->u.data.length);
if (buf == NULL)
return;
- os_memcpy(buf, custom, iwe->u.data.length);
- buf[iwe->u.data.length] = '\0';
wpa_driver_wext_event_wireless_custom(drv->ctx, buf);
os_free(buf);
break;
NULL);
break;
case IWEVASSOCREQIE:
- if (custom + iwe->u.data.length > end) {
+ if (iwe->u.data.length > end - custom) {
wpa_printf(MSG_DEBUG, "WEXT: Invalid "
"IWEVASSOCREQIE length");
return;
drv, custom, iwe->u.data.length);
break;
case IWEVASSOCRESPIE:
- if (custom + iwe->u.data.length > end) {
+ if (iwe->u.data.length > end - custom) {
wpa_printf(MSG_DEBUG, "WEXT: Invalid "
"IWEVASSOCRESPIE length");
return;
drv, custom, iwe->u.data.length);
break;
case IWEVPMKIDCAND:
- if (custom + iwe->u.data.length > end) {
+ if (iwe->u.data.length > end - custom) {
wpa_printf(MSG_DEBUG, "WEXT: Invalid "
"IWEVPMKIDCAND length");
return;
del ? "removed" : "added");
if (os_strcmp(drv->ifname, event.interface_status.ifname) == 0) {
- if (del)
+ if (del) {
+ if (drv->if_removed) {
+ wpa_printf(MSG_DEBUG, "WEXT: if_removed "
+ "already set - ignore event");
+ return;
+ }
drv->if_removed = 1;
- else
+ } else {
+ if (if_nametoindex(drv->ifname) == 0) {
+ wpa_printf(MSG_DEBUG, "WEXT: Interface %s "
+ "does not exist - ignore "
+ "RTM_NEWLINK",
+ drv->ifname);
+ return;
+ }
+ if (!drv->if_removed) {
+ wpa_printf(MSG_DEBUG, "WEXT: if_removed "
+ "already cleared - ignore event");
+ return;
+ }
drv->if_removed = 0;
+ }
}
wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
struct wpa_driver_wext_data *drv = ctx;
int attrlen, rta_len;
struct rtattr *attr;
+ char namebuf[IFNAMSIZ];
if (!wpa_driver_wext_own_ifindex(drv, ifi->ifi_index, buf, len)) {
wpa_printf(MSG_DEBUG, "Ignore event for foreign ifindex %d",
}
if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
- wpa_printf(MSG_DEBUG, "WEXT: Interface up");
- drv->if_disabled = 0;
- wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL);
+ if (if_indextoname(ifi->ifi_index, namebuf) &&
+ linux_iface_up(drv->ioctl_sock, drv->ifname) == 0) {
+ wpa_printf(MSG_DEBUG, "WEXT: Ignore interface up "
+ "event since interface %s is down",
+ namebuf);
+ } else if (if_nametoindex(drv->ifname) == 0) {
+ wpa_printf(MSG_DEBUG, "WEXT: Ignore interface up "
+ "event since interface %s does not exist",
+ drv->ifname);
+ } else if (drv->if_removed) {
+ wpa_printf(MSG_DEBUG, "WEXT: Ignore interface up "
+ "event since interface %s is marked "
+ "removed", drv->ifname);
+ } else {
+ wpa_printf(MSG_DEBUG, "WEXT: Interface up");
+ drv->if_disabled = 0;
+ wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
+ NULL);
+ }
}
/*
}
+static void wext_get_phy_name(struct wpa_driver_wext_data *drv)
+{
+ /* Find phy (radio) to which this interface belongs */
+ char buf[90], *pos;
+ int f, rv;
+
+ drv->phyname[0] = '\0';
+ snprintf(buf, sizeof(buf) - 1, "/sys/class/net/%s/phy80211/name",
+ drv->ifname);
+ f = open(buf, O_RDONLY);
+ if (f < 0) {
+ wpa_printf(MSG_DEBUG, "Could not open file %s: %s",
+ buf, strerror(errno));
+ return;
+ }
+
+ rv = read(f, drv->phyname, sizeof(drv->phyname) - 1);
+ close(f);
+ if (rv < 0) {
+ wpa_printf(MSG_DEBUG, "Could not read file %s: %s",
+ buf, strerror(errno));
+ return;
+ }
+
+ drv->phyname[rv] = '\0';
+ pos = os_strchr(drv->phyname, '\n');
+ if (pos)
+ *pos = '\0';
+ wpa_printf(MSG_DEBUG, "wext: interface %s phy: %s",
+ drv->ifname, drv->phyname);
+}
+
+
/**
* wpa_driver_wext_init - Initialize WE driver interface
* @ctx: context to be used when calling wpa_supplicant functions,
if (stat(path, &buf) == 0) {
wpa_printf(MSG_DEBUG, "WEXT: cfg80211-based driver detected");
drv->cfg80211 = 1;
+ wext_get_phy_name(drv);
}
drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
if (drv->ioctl_sock < 0) {
- perror("socket(PF_INET,SOCK_DGRAM)");
+ wpa_printf(MSG_ERROR, "socket(PF_INET,SOCK_DGRAM): %s",
+ strerror(errno));
goto err1;
}
}
+static int wext_hostap_ifname(struct wpa_driver_wext_data *drv,
+ const char *ifname)
+{
+ char buf[200], *res;
+ int type;
+ FILE *f;
+
+ if (strcmp(ifname, ".") == 0 || strcmp(ifname, "..") == 0)
+ return -1;
+
+ snprintf(buf, sizeof(buf), "/sys/class/net/%s/device/net/%s/type",
+ drv->ifname, ifname);
+
+ f = fopen(buf, "r");
+ if (!f)
+ return -1;
+ res = fgets(buf, sizeof(buf), f);
+ fclose(f);
+
+ type = res ? atoi(res) : -1;
+ wpa_printf(MSG_DEBUG, "WEXT: hostap ifname %s type %d", ifname, type);
+
+ if (type == ARPHRD_IEEE80211) {
+ wpa_printf(MSG_DEBUG,
+ "WEXT: Found hostap driver wifi# interface (%s)",
+ ifname);
+ wpa_driver_wext_alternative_ifindex(drv, ifname);
+ return 0;
+ }
+ return -1;
+}
+
+
+static int wext_add_hostap(struct wpa_driver_wext_data *drv)
+{
+ char buf[200];
+ int n;
+ struct dirent **names;
+ int ret = -1;
+
+ snprintf(buf, sizeof(buf), "/sys/class/net/%s/device/net", drv->ifname);
+ n = scandir(buf, &names, NULL, alphasort);
+ if (n < 0)
+ return -1;
+
+ while (n--) {
+ if (ret < 0 && wext_hostap_ifname(drv, names[n]->d_name) == 0)
+ ret = 0;
+ free(names[n]);
+ }
+ free(names);
+
+ return ret;
+}
+
+
+static void wext_check_hostap(struct wpa_driver_wext_data *drv)
+{
+ char buf[200], *pos;
+ ssize_t res;
+
+ /*
+ * Host AP driver may use both wlan# and wifi# interface in wireless
+ * events. Since some of the versions included WE-18 support, let's add
+ * the alternative ifindex also from driver_wext.c for the time being.
+ * This may be removed at some point once it is believed that old
+ * versions of the driver are not in use anymore. However, it looks like
+ * the wifi# interface is still used in the current kernel tree, so it
+ * may not really be possible to remove this before the Host AP driver
+ * gets removed from the kernel.
+ */
+
+ /* First, try to see if driver information is available from sysfs */
+ snprintf(buf, sizeof(buf), "/sys/class/net/%s/device/driver",
+ drv->ifname);
+ res = readlink(buf, buf, sizeof(buf) - 1);
+ if (res > 0) {
+ buf[res] = '\0';
+ pos = strrchr(buf, '/');
+ if (pos)
+ pos++;
+ else
+ pos = buf;
+ wpa_printf(MSG_DEBUG, "WEXT: Driver: %s", pos);
+ if (os_strncmp(pos, "hostap", 6) == 0 &&
+ wext_add_hostap(drv) == 0)
+ return;
+ }
+
+ /* Second, use the old design with hardcoded ifname */
+ if (os_strncmp(drv->ifname, "wlan", 4) == 0) {
+ char ifname2[IFNAMSIZ + 1];
+ os_strlcpy(ifname2, drv->ifname, sizeof(ifname2));
+ os_memcpy(ifname2, "wifi", 4);
+ wpa_driver_wext_alternative_ifindex(drv, ifname2);
+ }
+}
+
+
static int wpa_driver_wext_finish_drv_init(struct wpa_driver_wext_data *drv)
{
int send_rfkill_event = 0;
drv->ifindex = if_nametoindex(drv->ifname);
- if (os_strncmp(drv->ifname, "wlan", 4) == 0) {
- /*
- * Host AP driver may use both wlan# and wifi# interface in
- * wireless events. Since some of the versions included WE-18
- * support, let's add the alternative ifindex also from
- * driver_wext.c for the time being. This may be removed at
- * some point once it is believed that old versions of the
- * driver are not in use anymore.
- */
- char ifname2[IFNAMSIZ + 1];
- os_strlcpy(ifname2, drv->ifname, sizeof(ifname2));
- os_memcpy(ifname2, "wifi", 4);
- wpa_driver_wext_alternative_ifindex(drv, ifname2);
- }
+ wext_check_hostap(drv);
netlink_send_oper_ifla(drv->netlink, drv->ifindex,
1, IF_OPER_DORMANT);
}
if (ioctl(drv->ioctl_sock, SIOCSIWSCAN, &iwr) < 0) {
- perror("ioctl[SIOCSIWSCAN]");
+ wpa_printf(MSG_ERROR, "ioctl[SIOCSIWSCAN]: %s",
+ strerror(errno));
ret = -1;
}
/* Not all drivers generate "scan completed" wireless event, so try to
* read results after a timeout. */
- timeout = 5;
+ timeout = 10;
if (drv->scan_complete_events) {
/*
* The driver seems to deliver SIOCGIWSCAN events to notify
"trying larger buffer (%lu bytes)",
(unsigned long) res_buf_len);
} else {
- perror("ioctl[SIOCGIWSCAN]");
+ wpa_printf(MSG_ERROR, "ioctl[SIOCGIWSCAN]: %s",
+ strerror(errno));
os_free(res_buf);
return NULL;
}
struct wpa_scan_res res;
u8 *ie;
size_t ie_len;
- u8 ssid[32];
+ u8 ssid[SSID_MAX_LEN];
size_t ssid_len;
int maxrate;
};
char *end)
{
int ssid_len = iwe->u.essid.length;
- if (custom + ssid_len > end)
+ if (ssid_len > end - custom)
return;
if (iwe->u.essid.flags &&
ssid_len > 0 &&
size_t clen;
clen = iwe->len;
- if (custom + clen > end)
+ if (clen > (size_t) (end - custom))
return;
maxrate = 0;
while (((ssize_t) clen) >= (ssize_t) sizeof(struct iw_param)) {
u8 *tmp;
clen = iwe->u.data.length;
- if (custom + clen > end)
+ if (clen > (size_t) (end - custom))
return;
if (clen > 7 && os_strncmp(custom, "wpa_ie=", 7) == 0) {
/* Figure out whether we need to fake any IEs */
pos = data->ie;
end = pos + data->ie_len;
- while (pos && pos + 1 < end) {
- if (pos + 2 + pos[1] > end)
+ while (pos && end - pos > 1) {
+ if (2 + pos[1] > end - pos)
break;
if (pos[0] == WLAN_EID_SSID)
ssid_ie = pos;
if (data->ie)
os_memcpy(pos, data->ie, data->ie_len);
- tmp = os_realloc(res->res,
- (res->num + 1) * sizeof(struct wpa_scan_res *));
+ tmp = os_realloc_array(res->res, res->num + 1,
+ sizeof(struct wpa_scan_res *));
if (tmp == NULL) {
os_free(r);
return;
tmp[res->num++] = r;
res->res = tmp;
}
-
+
/**
* wpa_driver_wext_get_scan_results - Fetch the latest scan results
struct wpa_scan_results * wpa_driver_wext_get_scan_results(void *priv)
{
struct wpa_driver_wext_data *drv = priv;
- size_t ap_num = 0, len;
+ size_t len;
int first;
u8 *res_buf;
struct iw_event iwe_buf, *iwe = &iwe_buf;
if (res_buf == NULL)
return NULL;
- ap_num = 0;
first = 1;
res = os_zalloc(sizeof(*res));
end = (char *) res_buf + len;
os_memset(&data, 0, sizeof(data));
- while (pos + IW_EV_LCP_LEN <= end) {
+ while ((size_t) (end - pos) >= IW_EV_LCP_LEN) {
/* Event data may be unaligned, so make a local, aligned copy
* before processing. */
os_memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
- if (iwe->len <= IW_EV_LCP_LEN)
+ if (iwe->len <= IW_EV_LCP_LEN || iwe->len > end - pos)
break;
custom = pos + IW_EV_POINT_LEN;
sizeof(range->enc_capa);
if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
- perror("ioctl[SIOCGIWRANGE]");
+ wpa_printf(MSG_ERROR, "ioctl[SIOCGIWRANGE]: %s",
+ strerror(errno));
os_free(range);
return -1;
} else if (iwr.u.data.length >= minlen &&
}
drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40 |
WPA_DRIVER_CAPA_ENC_WEP104;
+ drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP128;
if (range->enc_capa & IW_ENC_CAPA_CIPHER_TKIP)
drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
if (range->enc_capa & IW_ENC_CAPA_CIPHER_CCMP)
drv->capa.max_scan_ssids = 1;
wpa_printf(MSG_DEBUG, " capabilities: key_mgmt 0x%x enc 0x%x "
- "flags 0x%x",
- drv->capa.key_mgmt, drv->capa.enc, drv->capa.flags);
+ "flags 0x%llx",
+ drv->capa.key_mgmt, drv->capa.enc,
+ (unsigned long long) drv->capa.flags);
} else {
wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: too old (short) data - "
"assuming WPA is not supported");
ret = ioctl(drv->ioctl_sock, SIOCSIWENCODEEXT, &iwr);
if (ret < 0)
- perror("ioctl[SIOCSIWENCODEEXT] PMK");
+ wpa_printf(MSG_ERROR, "ioctl[SIOCSIWENCODEEXT] PMK: %s",
+ strerror(errno));
os_free(ext);
return ret;
iwr.u.encoding.pointer = (caddr_t) ext;
iwr.u.encoding.length = sizeof(*ext) + key_len;
- if (addr == NULL ||
- os_memcmp(addr, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0)
+ if (addr == NULL || is_broadcast_ether_addr(addr))
ext->ext_flags |= IW_ENCODE_EXT_GROUP_KEY;
if (set_tx)
ext->ext_flags |= IW_ENCODE_EXT_SET_TX_KEY;
ret = -2;
}
- perror("ioctl[SIOCSIWENCODEEXT]");
+ wpa_printf(MSG_ERROR, "ioctl[SIOCSIWENCODEEXT]: %s",
+ strerror(errno));
}
os_free(ext);
iwr.u.encoding.length = key_len;
if (ioctl(drv->ioctl_sock, SIOCSIWENCODE, &iwr) < 0) {
- perror("ioctl[SIOCSIWENCODE]");
+ wpa_printf(MSG_ERROR, "ioctl[SIOCSIWENCODE]: %s",
+ strerror(errno));
ret = -1;
}
iwr.u.encoding.pointer = (caddr_t) NULL;
iwr.u.encoding.length = 0;
if (ioctl(drv->ioctl_sock, SIOCSIWENCODE, &iwr) < 0) {
- perror("ioctl[SIOCSIWENCODE] (set_tx)");
+ wpa_printf(MSG_ERROR,
+ "ioctl[SIOCSIWENCODE] (set_tx): %s",
+ strerror(errno));
ret = -1;
}
}
iwr.u.data.length = sizeof(mlme);
if (ioctl(drv->ioctl_sock, SIOCSIWMLME, &iwr) < 0) {
- perror("ioctl[SIOCSIWMLME]");
+ wpa_printf(MSG_ERROR, "ioctl[SIOCSIWMLME]: %s",
+ strerror(errno));
ret = -1;
}
{
struct iwreq iwr;
const u8 null_bssid[ETH_ALEN] = { 0, 0, 0, 0, 0, 0 };
- u8 ssid[32];
+ u8 ssid[SSID_MAX_LEN];
int i;
/*
os_memset(&iwr, 0, sizeof(iwr));
os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
if (ioctl(drv->ioctl_sock, SIOCGIWMODE, &iwr) < 0) {
- perror("ioctl[SIOCGIWMODE]");
+ wpa_printf(MSG_ERROR, "ioctl[SIOCGIWMODE]: %s",
+ strerror(errno));
iwr.u.mode = IW_MODE_INFRA;
}
if (iwr.u.mode == IW_MODE_INFRA) {
+ /* Clear the BSSID selection */
+ if (wpa_driver_wext_set_bssid(drv, null_bssid) < 0) {
+ wpa_printf(MSG_DEBUG, "WEXT: Failed to clear BSSID "
+ "selection on disconnect");
+ }
+
if (drv->cfg80211) {
/*
* cfg80211 supports SIOCSIWMLME commands, so there is
* no need for the random SSID hack, but clear the
- * BSSID and SSID.
+ * SSID.
*/
- if (wpa_driver_wext_set_bssid(drv, null_bssid) < 0 ||
- wpa_driver_wext_set_ssid(drv, (u8 *) "", 0) < 0) {
+ if (wpa_driver_wext_set_ssid(drv, (u8 *) "", 0) < 0) {
wpa_printf(MSG_DEBUG, "WEXT: Failed to clear "
- "to disconnect");
+ "SSID on disconnect");
}
return;
}
+
/*
- * Clear the BSSID selection and set a random SSID to make sure
- * the driver will not be trying to associate with something
- * even if it does not understand SIOCSIWMLME commands (or
- * tries to associate automatically after deauth/disassoc).
+ * Set a random SSID to make sure the driver will not be trying
+ * to associate with something even if it does not understand
+ * SIOCSIWMLME commands (or tries to associate automatically
+ * after deauth/disassoc).
*/
- for (i = 0; i < 32; i++)
+ for (i = 0; i < SSID_MAX_LEN; i++)
ssid[i] = rand() & 0xFF;
- if (wpa_driver_wext_set_bssid(drv, null_bssid) < 0 ||
- wpa_driver_wext_set_ssid(drv, ssid, 32) < 0) {
+ if (wpa_driver_wext_set_ssid(drv, ssid, SSID_MAX_LEN) < 0) {
wpa_printf(MSG_DEBUG, "WEXT: Failed to set bogus "
- "BSSID/SSID to disconnect");
+ "SSID to disconnect");
}
}
}
}
-static int wpa_driver_wext_disassociate(void *priv, const u8 *addr,
- int reason_code)
-{
- struct wpa_driver_wext_data *drv = priv;
- int ret;
- wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
- ret = wpa_driver_wext_mlme(drv, addr, IW_MLME_DISASSOC, reason_code);
- wpa_driver_wext_disconnect(drv);
- return ret;
-}
-
-
static int wpa_driver_wext_set_gen_ie(void *priv, const u8 *ie,
size_t ie_len)
{
iwr.u.data.length = ie_len;
if (ioctl(drv->ioctl_sock, SIOCSIWGENIE, &iwr) < 0) {
- perror("ioctl[SIOCSIWGENIE]");
+ wpa_printf(MSG_ERROR, "ioctl[SIOCSIWGENIE]: %s",
+ strerror(errno));
ret = -1;
}
int wpa_driver_wext_cipher2wext(int cipher)
{
switch (cipher) {
- case CIPHER_NONE:
+ case WPA_CIPHER_NONE:
return IW_AUTH_CIPHER_NONE;
- case CIPHER_WEP40:
+ case WPA_CIPHER_WEP40:
return IW_AUTH_CIPHER_WEP40;
- case CIPHER_TKIP:
+ case WPA_CIPHER_TKIP:
return IW_AUTH_CIPHER_TKIP;
- case CIPHER_CCMP:
+ case WPA_CIPHER_CCMP:
return IW_AUTH_CIPHER_CCMP;
- case CIPHER_WEP104:
+ case WPA_CIPHER_WEP104:
return IW_AUTH_CIPHER_WEP104;
default:
return 0;
int wpa_driver_wext_keymgmt2wext(int keymgmt)
{
switch (keymgmt) {
- case KEY_MGMT_802_1X:
- case KEY_MGMT_802_1X_NO_WPA:
+ case WPA_KEY_MGMT_IEEE8021X:
+ case WPA_KEY_MGMT_IEEE8021X_NO_WPA:
return IW_AUTH_KEY_MGMT_802_1X;
- case KEY_MGMT_PSK:
+ case WPA_KEY_MGMT_PSK:
return IW_AUTH_KEY_MGMT_PSK;
default:
return 0;
}
if (ioctl(drv->ioctl_sock, SIOCSIWENCODE, &iwr) < 0) {
- perror("ioctl[SIOCSIWENCODE]");
+ wpa_printf(MSG_ERROR, "ioctl[SIOCSIWENCODE]: %s",
+ strerror(errno));
ret = -1;
}
* Stop cfg80211 from trying to associate before we are done
* with all parameters.
*/
- wpa_driver_wext_set_ssid(drv, (u8 *) "", 0);
+ if (wpa_driver_wext_set_ssid(drv, (u8 *) "", 0) < 0) {
+ wpa_printf(MSG_DEBUG,
+ "WEXT: Failed to clear SSID to stop pending cfg80211 association attempts (if any)");
+ /* continue anyway */
+ }
}
if (wpa_driver_wext_set_drop_unencrypted(drv, params->drop_unencrypted)
if (wpa_driver_wext_set_gen_ie(drv, params->wpa_ie, params->wpa_ie_len)
< 0)
ret = -1;
- if (params->wpa_ie == NULL || params->wpa_ie_len == 0)
- value = IW_AUTH_WPA_VERSION_DISABLED;
- else if (params->wpa_ie[0] == WLAN_EID_RSN)
+ if (params->wpa_proto & WPA_PROTO_RSN)
value = IW_AUTH_WPA_VERSION_WPA2;
- else
+ else if (params->wpa_proto & WPA_PROTO_WPA)
value = IW_AUTH_WPA_VERSION_WPA;
+ else
+ value = IW_AUTH_WPA_VERSION_DISABLED;
if (wpa_driver_wext_set_auth_param(drv,
IW_AUTH_WPA_VERSION, value) < 0)
ret = -1;
if (wpa_driver_wext_set_auth_param(drv,
IW_AUTH_KEY_MGMT, value) < 0)
ret = -1;
- value = params->key_mgmt_suite != KEY_MGMT_NONE ||
- params->pairwise_suite != CIPHER_NONE ||
- params->group_suite != CIPHER_NONE ||
- params->wpa_ie_len;
+ value = params->key_mgmt_suite != WPA_KEY_MGMT_NONE ||
+ params->pairwise_suite != WPA_CIPHER_NONE ||
+ params->group_suite != WPA_CIPHER_NONE ||
+ (params->wpa_proto & (WPA_PROTO_RSN | WPA_PROTO_WPA));
if (wpa_driver_wext_set_auth_param(drv,
IW_AUTH_PRIVACY_INVOKED, value) < 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)
+ if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
+ params->key_mgmt_suite == WPA_KEY_MGMT_PSK)
allow_unencrypted_eapol = 0;
else
allow_unencrypted_eapol = 1;
if (wpa_driver_wext_set_auth_param(drv, IW_AUTH_MFP, value) < 0)
ret = -1;
#endif /* CONFIG_IEEE80211W */
- if (params->freq && wpa_driver_wext_set_freq(drv, params->freq) < 0)
+ if (params->freq.freq &&
+ wpa_driver_wext_set_freq(drv, params->freq.freq) < 0)
ret = -1;
if (!drv->cfg80211 &&
wpa_driver_wext_set_ssid(drv, params->ssid, params->ssid_len) < 0)
}
if (errno != EBUSY) {
- perror("ioctl[SIOCSIWMODE]");
+ wpa_printf(MSG_ERROR, "ioctl[SIOCSIWMODE]: %s",
+ strerror(errno));
goto done;
}
* down, try to set the mode again, and bring it back up.
*/
if (ioctl(drv->ioctl_sock, SIOCGIWMODE, &iwr) < 0) {
- perror("ioctl[SIOCGIWMODE]");
+ wpa_printf(MSG_ERROR, "ioctl[SIOCGIWMODE]: %s",
+ strerror(errno));
goto done;
}
/* Try to set the mode again while the interface is down */
iwr.u.mode = new_mode;
if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0)
- perror("ioctl[SIOCSIWMODE]");
+ wpa_printf(MSG_ERROR, "ioctl[SIOCSIWMODE]: %s",
+ strerror(errno));
else
ret = 0;
if (ioctl(drv->ioctl_sock, SIOCSIWPMKSA, &iwr) < 0) {
if (errno != EOPNOTSUPP)
- perror("ioctl[SIOCSIWPMKSA]");
+ wpa_printf(MSG_ERROR, "ioctl[SIOCSIWPMKSA]: %s",
+ strerror(errno));
ret = -1;
}
}
+static const char * wext_get_radio_name(void *priv)
+{
+ struct wpa_driver_wext_data *drv = priv;
+ return drv->phyname;
+}
+
+
+static int wpa_driver_wext_signal_poll(void *priv, struct wpa_signal_info *si)
+{
+ struct wpa_driver_wext_data *drv = priv;
+ struct iw_statistics stats;
+ struct iwreq iwr;
+
+ os_memset(si, 0, sizeof(*si));
+ si->current_signal = -9999;
+ si->current_noise = 9999;
+ si->chanwidth = CHAN_WIDTH_UNKNOWN;
+
+ os_memset(&iwr, 0, sizeof(iwr));
+ os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+ iwr.u.data.pointer = (caddr_t) &stats;
+ iwr.u.data.length = sizeof(stats);
+ iwr.u.data.flags = 1;
+
+ if (ioctl(drv->ioctl_sock, SIOCGIWSTATS, &iwr) < 0) {
+ wpa_printf(MSG_ERROR, "WEXT: SIOCGIWSTATS: %s",
+ strerror(errno));
+ return -1;
+ }
+
+ si->current_signal = stats.qual.level -
+ ((stats.qual.updated & IW_QUAL_DBM) ? 0x100 : 0);
+ si->current_noise = stats.qual.noise -
+ ((stats.qual.updated & IW_QUAL_DBM) ? 0x100 : 0);
+ return 0;
+}
+
+
+static int wpa_driver_wext_status(void *priv, char *buf, size_t buflen)
+{
+ struct wpa_driver_wext_data *drv = priv;
+ int res;
+ char *pos, *end;
+ unsigned char addr[ETH_ALEN];
+
+ pos = buf;
+ end = buf + buflen;
+
+ if (linux_get_ifhwaddr(drv->ioctl_sock, drv->ifname, addr))
+ return -1;
+
+ res = os_snprintf(pos, end - pos,
+ "ifindex=%d\n"
+ "ifname=%s\n"
+ "addr=" MACSTR "\n",
+ drv->ifindex,
+ drv->ifname,
+ MAC2STR(addr));
+ if (os_snprintf_error(end - pos, res))
+ return pos - buf;
+ pos += res;
+
+ return pos - buf;
+}
+
const struct wpa_driver_ops wpa_driver_wext_ops = {
.name = "wext",
.desc = "Linux wireless extensions (generic)",
.scan2 = wpa_driver_wext_scan,
.get_scan_results2 = wpa_driver_wext_get_scan_results,
.deauthenticate = wpa_driver_wext_deauthenticate,
- .disassociate = wpa_driver_wext_disassociate,
.associate = wpa_driver_wext_associate,
.init = wpa_driver_wext_init,
.deinit = wpa_driver_wext_deinit,
.flush_pmkid = wpa_driver_wext_flush_pmkid,
.get_capa = wpa_driver_wext_get_capa,
.set_operstate = wpa_driver_wext_set_operstate,
+ .get_radio_name = wext_get_radio_name,
+ .signal_poll = wpa_driver_wext_signal_poll,
+ .status = wpa_driver_wext_status,
};