* 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 "priv_netlink.h"
+#include "netlink.h"
+#include "linux_ioctl.h"
#include "common/ieee802_11_defs.h"
-#include "../../hostapd/sta_flags.h"
+#include "common/ieee802_11_common.h"
/* MTU to be set for the wlan#ap device; this is mainly needed for IEEE 802.1X
char iface[IFNAMSIZ + 1];
int sock; /* raw packet socket for driver access */
int ioctl_sock; /* socket for ioctl() use */
- int wext_sock; /* socket for wireless events */
+ struct netlink_data *netlink;
int we_version;
u16 fc, ethertype;
u8 *pos, *sa;
size_t left;
+ union wpa_event_data event;
if (len < sizeof(struct ieee80211_hdr))
return;
}
sa = hdr->addr2;
- hostapd_rx_from_unknown_sta(drv->hapd, hdr, len);
+ os_memset(&event, 0, sizeof(event));
+ 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);
left = len - sizeof(*hdr);
left -= 2;
switch (ethertype) {
case ETH_P_PAE:
- hostapd_eapol_receive(drv->hapd, sa, pos, left);
+ drv_event_eapol_rx(drv->hapd, sa, pos, left);
break;
default:
size_t len, int ok)
{
struct ieee80211_hdr *hdr;
- u16 fc, type, stype;
+ u16 fc;
+ union wpa_event_data event;
hdr = (struct ieee80211_hdr *) buf;
fc = le_to_host16(hdr->frame_control);
- type = WLAN_FC_GET_TYPE(fc);
- stype = WLAN_FC_GET_STYPE(fc);
-
- switch (type) {
- case WLAN_FC_TYPE_MGMT:
- wpa_printf(MSG_DEBUG, "MGMT (TX callback) %s",
- ok ? "ACK" : "fail");
- hostapd_mgmt_tx_cb(drv->hapd, buf, len, stype, ok);
- break;
- case WLAN_FC_TYPE_CTRL:
- wpa_printf(MSG_DEBUG, "CTRL (TX callback) %s",
- ok ? "ACK" : "fail");
- break;
- case WLAN_FC_TYPE_DATA:
- wpa_printf(MSG_DEBUG, "DATA (TX callback) %s",
- ok ? "ACK" : "fail");
- hostapd_tx_status(drv->hapd, hdr->addr1, buf, len, ok);
- break;
- default:
- printf("unknown TX callback frame type %d\n", type);
- break;
- }
+ os_memset(&event, 0, sizeof(event));
+ event.tx_status.type = WLAN_FC_GET_TYPE(fc);
+ event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
+ event.tx_status.dst = hdr->addr1;
+ event.tx_status.data = buf;
+ event.tx_status.data_len = len;
+ event.tx_status.ack = ok;
+ wpa_supplicant_event(drv->hapd, EVENT_TX_STATUS, &event);
}
{
struct ieee80211_hdr *hdr;
u16 fc, extra_len, type, stype;
- unsigned char *extra = NULL;
size_t data_len = len;
int ver;
+ union wpa_event_data event;
/* PSPOLL is only 16 bytes, but driver does not (at least yet) pass
* these to user space */
return;
}
len -= extra_len + 2;
- extra = buf + len;
} else if (ver == 1 || ver == 2) {
handle_tx_callback(drv, buf, data_len, ver == 2 ? 1 : 0);
return;
switch (type) {
case WLAN_FC_TYPE_MGMT:
- if (stype != WLAN_FC_STYPE_BEACON)
- wpa_printf(MSG_MSGDUMP, "MGMT");
- hostapd_mgmt_rx(drv->hapd, buf, data_len, stype, NULL);
+ os_memset(&event, 0, sizeof(event));
+ event.rx_mgmt.frame = buf;
+ event.rx_mgmt.frame_len = data_len;
+ wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT, &event);
break;
case WLAN_FC_TYPE_CTRL:
wpa_printf(MSG_DEBUG, "CTRL");
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");
- return -1;
- }
-
- memset(&ifr, 0, sizeof(ifr));
- os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
- if (ioctl(drv->sock, SIOCGIFHWADDR, &ifr) != 0) {
- perror("ioctl(SIOCGIFHWADDR)");
- return -1;
- }
-
- if (ifr.ifr_hwaddr.sa_family != ARPHRD_ETHER) {
- printf("Invalid HW-addr family 0x%04x\n",
- ifr.ifr_hwaddr.sa_family);
+ wpa_printf(MSG_ERROR, "bind: %s", strerror(errno));
return -1;
}
- os_memcpy(own_addr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
- return 0;
+ return linux_get_ifhwaddr(drv->sock, drv->iface, own_addr);
}
-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);
if (res < 0) {
wpa_printf(MSG_ERROR, "hostap_send_eapol - packet len: %lu - "
"failed: %d (%s)",
struct hostap_driver_data *drv = priv;
struct prism2_hostapd_param param;
+ if (flags_or & WPA_STA_AUTHORIZED)
+ flags_or = BIT(5); /* WLAN_STA_AUTHORIZED */
+ if (!(flags_and & WPA_STA_AUTHORIZED))
+ flags_and = ~BIT(5);
+ else
+ flags_and = ~0;
memset(¶m, 0, sizeof(param));
param.cmd = PRISM2_HOSTAPD_SET_FLAGS_STA;
memcpy(param.sta_addr, addr, ETH_ALEN);
{
struct hostap_driver_data *drv = priv;
struct ifreq ifr;
+ char ifname[IFNAMSIZ];
- if (drv->ioctl_sock < 0)
- return -1;
-
- memset(&ifr, 0, sizeof(ifr));
- snprintf(ifr.ifr_name, IFNAMSIZ, "%sap", drv->iface);
-
- if (ioctl(drv->ioctl_sock, SIOCGIFFLAGS, &ifr) != 0) {
- perror("ioctl[SIOCGIFFLAGS]");
- return -1;
- }
-
- if (dev_up)
- ifr.ifr_flags |= IFF_UP;
- else
- ifr.ifr_flags &= ~IFF_UP;
-
- if (ioctl(drv->ioctl_sock, SIOCSIFFLAGS, &ifr) != 0) {
- perror("ioctl[SIOCSIFFLAGS]");
+ os_snprintf(ifname, IFNAMSIZ, "%sap", drv->iface);
+ if (linux_set_iface_flags(drv->ioctl_sock, ifname, dev_up) < 0)
return -1;
- }
if (dev_up) {
memset(&ifr, 0, sizeof(ifr));
- snprintf(ifr.ifr_name, IFNAMSIZ, "%sap", drv->iface);
+ 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;
}
static int wpa_driver_hostap_set_key(const char *ifname, void *priv,
- wpa_alg alg, const u8 *addr, int key_idx,
- int set_tx, const u8 *seq, size_t seq_len,
+ 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 hostap_driver_data *drv = priv;
*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;
}
}
-static int hostap_set_ieee8021x(const char *ifname, void *priv, int enabled)
+static int hostap_set_ieee8021x(void *priv, struct wpa_bss_params *params)
{
struct hostap_driver_data *drv = priv;
+ int enabled = params->enabled;
/* enable kernel driver support for IEEE 802.1X */
if (hostap_ioctl_prism2param(drv, PRISM2_PARAM_IEEE_802_1X, enabled)) {
}
-static int hostap_set_privacy(const char *ifname, void *priv, int enabled)
+static int hostap_set_privacy(void *priv, int enabled)
{
struct hostap_drvier_data *drv = priv;
}
-static int hostap_set_ssid(const char *ifname, void *priv, const u8 *buf,
- int len)
+static int hostap_set_ssid(void *priv, const u8 *buf, int len)
{
struct hostap_driver_data *drv = priv;
struct iwreq iwr;
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;
}
}
-static int hostap_sta_add(const char *ifname, void *priv,
- struct hostapd_sta_add_params *params)
+static int hostap_sta_add(void *priv, struct hostapd_sta_add_params *params)
{
struct hostap_driver_data *drv = priv;
struct prism2_hostapd_param param;
struct hostap_driver_data *drv = priv;
struct prism2_hostapd_param param;
- hostap_sta_set_flags(drv, addr, 0, 0, ~WLAN_STA_AUTHORIZED);
+ hostap_sta_set_flags(drv, addr, 0, 0, ~WPA_STA_AUTHORIZED);
memset(¶m, 0, sizeof(param));
param.cmd = PRISM2_HOSTAPD_REMOVE_STA;
}
-static int hostap_set_generic_elem(const char *ifname, void *priv,
+static int hostap_set_generic_elem(void *priv,
const u8 *elem, size_t elem_len)
{
struct hostap_driver_data *drv = priv;
}
-static int hostap_set_wps_beacon_ie(const char *ifname, void *priv,
- const u8 *ie, size_t len)
-{
- /* Host AP driver supports only one set of extra IEs, so we need to
- * use the ProbeResp IEs also for Beacon frames since they include more
- * information. */
- return 0;
-}
-
-
-static int hostap_set_wps_probe_resp_ie(const char *ifname, void *priv,
- const u8 *ie, size_t len)
+static int hostap_set_ap_wps_ie(void *priv, const struct wpabuf *beacon,
+ const struct wpabuf *proberesp,
+ const struct wpabuf *assocresp)
{
struct hostap_driver_data *drv = priv;
+ /*
+ * Host AP driver supports only one set of extra IEs, so we need to
+ * use the Probe Response IEs also for Beacon frames since they include
+ * more information.
+ */
+
os_free(drv->wps_ie);
drv->wps_ie = NULL;
drv->wps_ie_len = 0;
- if (ie) {
- drv->wps_ie = os_malloc(len);
+ if (proberesp) {
+ drv->wps_ie = os_malloc(wpabuf_len(proberesp));
if (drv->wps_ie == NULL)
return -1;
- os_memcpy(drv->wps_ie, ie, len);
- drv->wps_ie_len = len;
+ os_memcpy(drv->wps_ie, wpabuf_head(proberesp),
+ wpabuf_len(proberesp));
+ drv->wps_ie_len = wpabuf_len(proberesp);
}
return hostapd_ioctl_set_generic_elem(drv);
}
pos += 5;
if (hwaddr_aton(pos, addr) == 0) {
- hostapd_michael_mic_failure(drv->hapd, addr);
+ union wpa_event_data data;
+ os_memset(&data, 0, sizeof(data));
+ data.michael_mic_failure.unicast = 1;
+ data.michael_mic_failure.src = addr;
+ wpa_supplicant_event(drv->hapd,
+ EVENT_MICHAEL_MIC_FAILURE, &data);
} else {
wpa_printf(MSG_DEBUG,
"MLME-MICHAELMICFAILURE.indication "
}
-static void hostapd_wireless_event_rtm_newlink(struct hostap_driver_data *drv,
- struct nlmsghdr *h, int len)
+static void hostapd_wireless_event_rtm_newlink(void *ctx,
+ struct ifinfomsg *ifi,
+ u8 *buf, size_t len)
{
- struct ifinfomsg *ifi;
- int attrlen, nlmsg_len, rta_len;
- struct rtattr * attr;
-
- if (len < (int) sizeof(*ifi))
- return;
-
- ifi = NLMSG_DATA(h);
+ struct hostap_driver_data *drv = ctx;
+ int attrlen, rta_len;
+ struct rtattr *attr;
/* TODO: use ifi->ifi_index to filter out wireless events from other
* interfaces */
- nlmsg_len = NLMSG_ALIGN(sizeof(struct ifinfomsg));
-
- attrlen = h->nlmsg_len - nlmsg_len;
- if (attrlen < 0)
- return;
-
- attr = (struct rtattr *) (((char *) ifi) + nlmsg_len);
+ attrlen = len;
+ attr = (struct rtattr *) buf;
rta_len = RTA_ALIGN(sizeof(struct rtattr));
while (RTA_OK(attr, attrlen)) {
}
-static void hostapd_wireless_event_receive(int sock, void *eloop_ctx,
- void *sock_ctx)
-{
- char buf[256];
- int left;
- struct sockaddr_nl from;
- socklen_t fromlen;
- struct nlmsghdr *h;
- struct hostap_driver_data *drv = eloop_ctx;
-
- fromlen = sizeof(from);
- left = recvfrom(sock, buf, sizeof(buf), MSG_DONTWAIT,
- (struct sockaddr *) &from, &fromlen);
- if (left < 0) {
- if (errno != EINTR && errno != EAGAIN)
- perror("recvfrom(netlink)");
- return;
- }
-
- h = (struct nlmsghdr *) buf;
- while (left >= (int) sizeof(*h)) {
- int len, plen;
-
- len = h->nlmsg_len;
- plen = len - sizeof(*h);
- if (len > left || plen < 0) {
- printf("Malformed netlink message: "
- "len=%d left=%d plen=%d\n",
- len, left, plen);
- break;
- }
-
- switch (h->nlmsg_type) {
- case RTM_NEWLINK:
- hostapd_wireless_event_rtm_newlink(drv, h, plen);
- break;
- }
-
- len = NLMSG_ALIGN(len);
- left -= len;
- h = (struct nlmsghdr *) ((char *) h + len);
- }
-
- if (left > 0) {
- printf("%d extra bytes in the end of netlink message\n", left);
- }
-}
-
-
static int hostap_get_we_version(struct hostap_driver_data *drv)
{
struct iw_range *range;
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) {
static int hostap_wireless_event_init(struct hostap_driver_data *drv)
{
- int s;
- struct sockaddr_nl local;
+ struct netlink_config *cfg;
hostap_get_we_version(drv);
- drv->wext_sock = -1;
-
- s = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
- if (s < 0) {
- perror("socket(PF_NETLINK,SOCK_RAW,NETLINK_ROUTE)");
+ cfg = os_zalloc(sizeof(*cfg));
+ if (cfg == NULL)
return -1;
- }
-
- memset(&local, 0, sizeof(local));
- local.nl_family = AF_NETLINK;
- local.nl_groups = RTMGRP_LINK;
- if (bind(s, (struct sockaddr *) &local, sizeof(local)) < 0) {
- perror("bind(netlink)");
- close(s);
+ cfg->ctx = drv;
+ cfg->newlink_cb = hostapd_wireless_event_rtm_newlink;
+ drv->netlink = netlink_init(cfg);
+ if (drv->netlink == NULL) {
+ os_free(cfg);
return -1;
}
- eloop_register_read_sock(s, hostapd_wireless_event_receive, drv,
- NULL);
- drv->wext_sock = s;
-
return 0;
}
-static void hostap_wireless_event_deinit(struct hostap_driver_data *drv)
-{
- if (drv->wext_sock < 0)
- return;
- eloop_unregister_read_sock(drv->wext_sock);
- close(drv->wext_sock);
-}
-
-
static void * hostap_init(struct hostapd_data *hapd,
struct wpa_init_params *params)
{
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;
- hostap_wireless_event_deinit(drv);
+ netlink_deinit(drv->netlink);
(void) hostap_set_iface_flags(drv, 0);
(void) hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOSTAPD, 0);
(void) hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOSTAPD_STA, 0);
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);
+}
+
+
+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);
}
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)
+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;
- 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;
-}
+ struct ieee80211_hdr hdr;
+ os_memset(&hdr, 0, sizeof(hdr));
-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,
- 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)
-{
- 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;
-
- 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 & AUTH_ALG_OPEN_SYSTEM)
- algs |= 1;
- if (auth_alg & AUTH_ALG_SHARED_KEY)
- algs |= 2;
- if (auth_alg & 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);
-}
-
-
-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;
-}
+ /*
+ * 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);
+ 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);
}
-#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,
.get_inact_sec = hostap_get_inact_sec,
.sta_clear_stats = hostap_sta_clear_stats,
.get_hw_feature_data = hostap_get_hw_feature_data,
- .set_wps_beacon_ie = hostap_set_wps_beacon_ie,
- .set_wps_probe_resp_ie = hostap_set_wps_probe_resp_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_ap_wps_ie = hostap_set_ap_wps_ie,
+ .set_freq = hostap_set_freq,
+ .poll_client = wpa_driver_hostap_poll_client,
};
projects / mech_eap.git / blobdiff