/*
* WPA Supplicant - driver interaction with BSD net80211 layer
* Copyright (c) 2004, Sam Leffler <sam@errno.com>
+ * Copyright (c) 2004, 2Wire, Inc
*
* 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
#include <net80211/ieee80211_crypto.h>
#include <net80211/ieee80211_ioctl.h>
+/*
+ * Avoid conflicts with hostapd definitions by undefining couple of defines
+ * from net80211 header files.
+ */
+#undef RSN_VERSION
+#undef WPA_VERSION
+#undef WPA_OUI_TYPE
+
+
+#ifdef HOSTAPD
+
+#include "l2_packet/l2_packet.h"
+#include "../../hostapd/hostapd.h"
+#include "../../hostapd/config.h"
+#include "../../hostapd/eapol_sm.h"
+
+struct bsd_driver_data {
+ struct hostapd_data *hapd; /* back pointer */
+
+ char iface[IFNAMSIZ + 1];
+ struct l2_packet_data *sock_xmit; /* raw packet xmit socket */
+ int ioctl_sock; /* socket for ioctl() use */
+ int wext_sock; /* socket for wireless events */
+};
+
+static int bsd_sta_deauth(void *priv, const u8 *addr, int reason_code);
+
+static int
+set80211var(struct bsd_driver_data *drv, int op, const void *arg, int arg_len)
+{
+ struct ieee80211req ireq;
+
+ memset(&ireq, 0, sizeof(ireq));
+ os_strlcpy(ireq.i_name, drv->iface, IFNAMSIZ);
+ ireq.i_type = op;
+ ireq.i_len = arg_len;
+ ireq.i_data = (void *) arg;
+
+ if (ioctl(drv->ioctl_sock, SIOCS80211, &ireq) < 0) {
+ perror("ioctl[SIOCS80211]");
+ return -1;
+ }
+ return 0;
+}
+
+static int
+get80211var(struct bsd_driver_data *drv, int op, void *arg, int arg_len)
+{
+ struct ieee80211req ireq;
+
+ memset(&ireq, 0, sizeof(ireq));
+ os_strlcpy(ireq.i_name, drv->iface, IFNAMSIZ);
+ ireq.i_type = op;
+ ireq.i_len = arg_len;
+ ireq.i_data = arg;
+
+ if (ioctl(drv->ioctl_sock, SIOCG80211, &ireq) < 0) {
+ perror("ioctl[SIOCG80211]");
+ return -1;
+ }
+ return ireq.i_len;
+}
+
+static int
+set80211param(struct bsd_driver_data *drv, int op, int arg)
+{
+ struct ieee80211req ireq;
+
+ memset(&ireq, 0, sizeof(ireq));
+ os_strlcpy(ireq.i_name, drv->iface, IFNAMSIZ);
+ ireq.i_type = op;
+ ireq.i_val = arg;
+
+ if (ioctl(drv->ioctl_sock, SIOCS80211, &ireq) < 0) {
+ perror("ioctl[SIOCS80211]");
+ return -1;
+ }
+ return 0;
+}
+
+static const char *
+ether_sprintf(const u8 *addr)
+{
+ static char buf[sizeof(MACSTR)];
+
+ if (addr != NULL)
+ snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
+ else
+ snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
+ return buf;
+}
+
+/*
+ * Configure WPA parameters.
+ */
+static int
+bsd_configure_wpa(struct bsd_driver_data *drv)
+{
+ static const char *ciphernames[] =
+ { "WEP", "TKIP", "AES-OCB", "AES-CCM", "CKIP", "NONE" };
+ struct hostapd_data *hapd = drv->hapd;
+ struct hostapd_bss_config *conf = hapd->conf;
+ int v;
+
+ switch (conf->wpa_group) {
+ case WPA_CIPHER_CCMP:
+ v = IEEE80211_CIPHER_AES_CCM;
+ break;
+ case WPA_CIPHER_TKIP:
+ v = IEEE80211_CIPHER_TKIP;
+ break;
+ case WPA_CIPHER_WEP104:
+ v = IEEE80211_CIPHER_WEP;
+ break;
+ case WPA_CIPHER_WEP40:
+ v = IEEE80211_CIPHER_WEP;
+ break;
+ case WPA_CIPHER_NONE:
+ v = IEEE80211_CIPHER_NONE;
+ break;
+ default:
+ printf("Unknown group key cipher %u\n",
+ conf->wpa_group);
+ return -1;
+ }
+ wpa_printf(MSG_DEBUG, "%s: group key cipher=%s (%u)",
+ __func__, ciphernames[v], v);
+ if (set80211param(drv, IEEE80211_IOC_MCASTCIPHER, v)) {
+ printf("Unable to set group key cipher to %u (%s)\n",
+ v, ciphernames[v]);
+ return -1;
+ }
+ if (v == IEEE80211_CIPHER_WEP) {
+ /* key length is done only for specific ciphers */
+ v = (conf->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
+ if (set80211param(drv, IEEE80211_IOC_MCASTKEYLEN, v)) {
+ printf("Unable to set group key length to %u\n", v);
+ return -1;
+ }
+ }
+
+ v = 0;
+ if (conf->wpa_pairwise & WPA_CIPHER_CCMP)
+ v |= 1<<IEEE80211_CIPHER_AES_CCM;
+ if (conf->wpa_pairwise & WPA_CIPHER_TKIP)
+ v |= 1<<IEEE80211_CIPHER_TKIP;
+ if (conf->wpa_pairwise & WPA_CIPHER_NONE)
+ v |= 1<<IEEE80211_CIPHER_NONE;
+ wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
+ if (set80211param(drv, IEEE80211_IOC_UCASTCIPHERS, v)) {
+ printf("Unable to set pairwise key ciphers to 0x%x\n", v);
+ return -1;
+ }
+
+ wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
+ __func__, conf->wpa_key_mgmt);
+ if (set80211param(drv, IEEE80211_IOC_KEYMGTALGS, conf->wpa_key_mgmt)) {
+ printf("Unable to set key management algorithms to 0x%x\n",
+ conf->wpa_key_mgmt);
+ return -1;
+ }
+
+ v = 0;
+ if (conf->rsn_preauth)
+ v |= BIT(0);
+ wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x",
+ __func__, conf->rsn_preauth);
+ if (set80211param(drv, IEEE80211_IOC_RSNCAPS, v)) {
+ printf("Unable to set RSN capabilities to 0x%x\n", v);
+ return -1;
+ }
+
+ wpa_printf(MSG_DEBUG, "%s: enable WPA= 0x%x", __func__, conf->wpa);
+ if (set80211param(drv, IEEE80211_IOC_WPA, conf->wpa)) {
+ printf("Unable to set WPA to %u\n", conf->wpa);
+ return -1;
+ }
+ return 0;
+}
+
+
+static int
+bsd_set_iface_flags(void *priv, int dev_up)
+{
+ struct bsd_driver_data *drv = priv;
+ struct ifreq ifr;
+
+ wpa_printf(MSG_DEBUG, "%s: dev_up=%d", __func__, dev_up);
+
+ if (drv->ioctl_sock < 0)
+ return -1;
+
+ memset(&ifr, 0, sizeof(ifr));
+ os_strlcpy(ifr.ifr_name, drv->iface, IFNAMSIZ);
+
+ 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]");
+ return -1;
+ }
+
+ if (dev_up) {
+ memset(&ifr, 0, sizeof(ifr));
+ os_strlcpy(ifr.ifr_name, drv->iface, 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");
+ }
+ }
+
+ return 0;
+}
+
+static int
+bsd_set_ieee8021x(const char *ifname, void *priv, int enabled)
+{
+ struct bsd_driver_data *drv = priv;
+ struct hostapd_data *hapd = drv->hapd;
+ struct hostapd_bss_config *conf = hapd->conf;
+
+ wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
+
+ if (!enabled) {
+ /* XXX restore state */
+ return set80211param(priv, IEEE80211_IOC_AUTHMODE,
+ IEEE80211_AUTH_AUTO);
+ }
+ if (!conf->wpa && !conf->ieee802_1x) {
+ hostapd_logger(hapd, NULL, HOSTAPD_MODULE_DRIVER,
+ HOSTAPD_LEVEL_WARNING, "No 802.1X or WPA enabled!");
+ return -1;
+ }
+ if (conf->wpa && bsd_configure_wpa(drv) != 0) {
+ hostapd_logger(hapd, NULL, HOSTAPD_MODULE_DRIVER,
+ HOSTAPD_LEVEL_WARNING, "Error configuring WPA state!");
+ return -1;
+ }
+ if (set80211param(priv, IEEE80211_IOC_AUTHMODE,
+ (conf->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
+ hostapd_logger(hapd, NULL, HOSTAPD_MODULE_DRIVER,
+ HOSTAPD_LEVEL_WARNING, "Error enabling WPA/802.1X!");
+ return -1;
+ }
+ return bsd_set_iface_flags(priv, 1);
+}
+
+static int
+bsd_set_privacy(const char *ifname, void *priv, int enabled)
+{
+ struct bsd_driver_data *drv = priv;
+
+ wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
+
+ return set80211param(drv, IEEE80211_IOC_PRIVACY, enabled);
+}
+
+static int
+bsd_set_sta_authorized(void *priv, const u8 *addr, int authorized)
+{
+ struct bsd_driver_data *drv = priv;
+ struct ieee80211req_mlme mlme;
+
+ wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d",
+ __func__, ether_sprintf(addr), authorized);
+
+ if (authorized)
+ mlme.im_op = IEEE80211_MLME_AUTHORIZE;
+ else
+ mlme.im_op = IEEE80211_MLME_UNAUTHORIZE;
+ mlme.im_reason = 0;
+ memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
+ return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
+}
+
+static int
+bsd_sta_set_flags(void *priv, const u8 *addr, int total_flags, int flags_or,
+ int flags_and)
+{
+ /* For now, only support setting Authorized flag */
+ if (flags_or & WLAN_STA_AUTHORIZED)
+ return bsd_set_sta_authorized(priv, addr, 1);
+ if (!(flags_and & WLAN_STA_AUTHORIZED))
+ return bsd_set_sta_authorized(priv, addr, 0);
+ return 0;
+}
+
+static int
+bsd_del_key(void *priv, const u8 *addr, int key_idx)
+{
+ struct bsd_driver_data *drv = priv;
+ struct ieee80211req_del_key wk;
+
+ wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d",
+ __func__, ether_sprintf(addr), key_idx);
+
+ memset(&wk, 0, sizeof(wk));
+ if (addr != NULL) {
+ memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
+ wk.idk_keyix = (u_int8_t) IEEE80211_KEYIX_NONE; /* XXX */
+ } else {
+ wk.idk_keyix = key_idx;
+ }
+
+ return set80211var(drv, IEEE80211_IOC_DELKEY, &wk, sizeof(wk));
+}
+
+static int
+bsd_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 bsd_driver_data *drv = priv;
+ struct ieee80211req_key wk;
+ u_int8_t cipher;
+
+ if (alg == WPA_ALG_NONE)
+ return bsd_del_key(drv, addr, key_idx);
+
+ wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d",
+ __func__, alg, ether_sprintf(addr), key_idx);
+
+ if (alg == WPA_ALG_WEP)
+ cipher = IEEE80211_CIPHER_WEP;
+ else if (alg == WPA_ALG_TKIP)
+ cipher = IEEE80211_CIPHER_TKIP;
+ else if (alg == WPA_ALG_CCMP)
+ cipher = IEEE80211_CIPHER_AES_CCM;
+ else {
+ printf("%s: unknown/unsupported algorithm %d\n",
+ __func__, alg);
+ return -1;
+ }
+
+ if (key_len > sizeof(wk.ik_keydata)) {
+ printf("%s: key length %d too big\n", __func__, key_len);
+ return -3;
+ }
+
+ memset(&wk, 0, sizeof(wk));
+ wk.ik_type = cipher;
+ wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
+ if (addr == NULL) {
+ memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
+ wk.ik_keyix = key_idx;
+ wk.ik_flags |= IEEE80211_KEY_DEFAULT;
+ } else {
+ memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
+ wk.ik_keyix = IEEE80211_KEYIX_NONE;
+ }
+ wk.ik_keylen = key_len;
+ memcpy(wk.ik_keydata, key, key_len);
+
+ return set80211var(drv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk));
+}
+
+
+static int
+bsd_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
+ u8 *seq)
+{
+ struct bsd_driver_data *drv = priv;
+ struct ieee80211req_key wk;
+
+ wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
+ __func__, ether_sprintf(addr), idx);
+
+ memset(&wk, 0, sizeof(wk));
+ if (addr == NULL)
+ memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
+ else
+ memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
+ wk.ik_keyix = idx;
+
+ if (get80211var(drv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk)) < 0) {
+ printf("Failed to get encryption.\n");
+ return -1;
+ }
+
+#ifdef WORDS_BIGENDIAN
+ {
+ /*
+ * wk.ik_keytsc is in host byte order (big endian), need to
+ * swap it to match with the byte order used in WPA.
+ */
+ int i;
+ u8 tmp[WPA_KEY_RSC_LEN];
+ memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
+ for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
+ seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
+ }
+ }
+#else /* WORDS_BIGENDIAN */
+ memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
+#endif /* WORDS_BIGENDIAN */
+ return 0;
+}
+
+
+static int
+bsd_flush(void *priv)
+{
+ u8 allsta[IEEE80211_ADDR_LEN];
+
+ memset(allsta, 0xff, IEEE80211_ADDR_LEN);
+ return bsd_sta_deauth(priv, allsta, IEEE80211_REASON_AUTH_LEAVE);
+}
+
+
+static int
+bsd_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
+ const u8 *addr)
+{
+ struct bsd_driver_data *drv = priv;
+ struct ieee80211req_sta_stats stats;
+
+ memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
+ if (get80211var(drv, IEEE80211_IOC_STA_STATS, &stats, sizeof(stats)) > 0) {
+ /* XXX? do packets counts include non-data frames? */
+ data->rx_packets = stats.is_stats.ns_rx_data;
+ data->rx_bytes = stats.is_stats.ns_rx_bytes;
+ data->tx_packets = stats.is_stats.ns_tx_data;
+ data->tx_bytes = stats.is_stats.ns_tx_bytes;
+ }
+ return 0;
+}
+
+static int
+bsd_set_opt_ie(const char *ifname, void *priv, const u8 *ie, size_t ie_len)
+{
+ /*
+ * Do nothing; we setup parameters at startup that define the
+ * contents of the beacon information element.
+ */
+ return 0;
+}
+
+static int
+bsd_sta_deauth(void *priv, const u8 *addr, int reason_code)
+{
+ struct bsd_driver_data *drv = priv;
+ struct ieee80211req_mlme mlme;
+
+ wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
+ __func__, ether_sprintf(addr), reason_code);
+
+ mlme.im_op = IEEE80211_MLME_DEAUTH;
+ mlme.im_reason = reason_code;
+ memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
+ return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
+}
+
+static int
+bsd_sta_disassoc(void *priv, const u8 *addr, int reason_code)
+{
+ struct bsd_driver_data *drv = priv;
+ struct ieee80211req_mlme mlme;
+
+ wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
+ __func__, ether_sprintf(addr), reason_code);
+
+ mlme.im_op = IEEE80211_MLME_DISASSOC;
+ mlme.im_reason = reason_code;
+ memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
+ return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme));
+}
+
+static int
+bsd_new_sta(struct bsd_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
+{
+ struct hostapd_data *hapd = drv->hapd;
+ struct ieee80211req_wpaie ie;
+ int ielen = 0;
+ u8 *iebuf = NULL;
+
+ /*
+ * Fetch and validate any negotiated WPA/RSN parameters.
+ */
+ memset(&ie, 0, sizeof(ie));
+ memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
+ if (get80211var(drv, IEEE80211_IOC_WPAIE, &ie, sizeof(ie)) < 0) {
+ printf("Failed to get WPA/RSN information element.\n");
+ goto no_ie;
+ }
+ iebuf = ie.wpa_ie;
+ ielen = ie.wpa_ie[1];
+ if (ielen == 0)
+ iebuf = NULL;
+ else
+ ielen += 2;
+
+no_ie:
+ return hostapd_notif_assoc(hapd, addr, iebuf, ielen);
+}
+
+#include <net/route.h>
+#include <net80211/ieee80211_freebsd.h>
+
+static void
+bsd_wireless_event_receive(int sock, void *ctx, void *sock_ctx)
+{
+ struct bsd_driver_data *drv = ctx;
+ struct hostapd_data *hapd = drv->hapd;
+ char buf[2048];
+ struct if_announcemsghdr *ifan;
+ struct rt_msghdr *rtm;
+ struct ieee80211_michael_event *mic;
+ struct ieee80211_join_event *join;
+ struct ieee80211_leave_event *leave;
+ int n;
+
+ n = read(sock, buf, sizeof(buf));
+ if (n < 0) {
+ if (errno != EINTR && errno != EAGAIN)
+ perror("read(PF_ROUTE)");
+ return;
+ }
+
+ rtm = (struct rt_msghdr *) buf;
+ if (rtm->rtm_version != RTM_VERSION) {
+ wpa_printf(MSG_DEBUG, "Routing message version %d not "
+ "understood\n", rtm->rtm_version);
+ return;
+ }
+ ifan = (struct if_announcemsghdr *) rtm;
+ switch (rtm->rtm_type) {
+ case RTM_IEEE80211:
+ switch (ifan->ifan_what) {
+ case RTM_IEEE80211_ASSOC:
+ case RTM_IEEE80211_REASSOC:
+ case RTM_IEEE80211_DISASSOC:
+ case RTM_IEEE80211_SCAN:
+ break;
+ case RTM_IEEE80211_LEAVE:
+ leave = (struct ieee80211_leave_event *) &ifan[1];
+ hostapd_notif_disassoc(drv->hapd, leave->iev_addr);
+ break;
+ case RTM_IEEE80211_JOIN:
+#ifdef RTM_IEEE80211_REJOIN
+ case RTM_IEEE80211_REJOIN:
+#endif
+ join = (struct ieee80211_join_event *) &ifan[1];
+ bsd_new_sta(drv, join->iev_addr);
+ break;
+ case RTM_IEEE80211_REPLAY:
+ /* ignore */
+ break;
+ case RTM_IEEE80211_MICHAEL:
+ mic = (struct ieee80211_michael_event *) &ifan[1];
+ wpa_printf(MSG_DEBUG,
+ "Michael MIC failure wireless event: "
+ "keyix=%u src_addr=" MACSTR, mic->iev_keyix,
+ MAC2STR(mic->iev_src));
+ hostapd_michael_mic_failure(hapd, mic->iev_src);
+ break;
+ }
+ break;
+ }
+}
+
+static int
+bsd_wireless_event_init(struct bsd_driver_data *drv)
+{
+ int s;
+
+ drv->wext_sock = -1;
+
+ s = socket(PF_ROUTE, SOCK_RAW, 0);
+ if (s < 0) {
+ perror("socket(PF_ROUTE,SOCK_RAW)");
+ return -1;
+ }
+ eloop_register_read_sock(s, bsd_wireless_event_receive, drv, NULL);
+ drv->wext_sock = s;
+
+ return 0;
+}
+
+static void
+bsd_wireless_event_deinit(struct bsd_driver_data *drv)
+{
+ if (drv->wext_sock < 0)
+ return;
+ eloop_unregister_read_sock(drv->wext_sock);
+ close(drv->wext_sock);
+}
+
+
+static int
+bsd_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
+ int encrypt, const u8 *own_addr)
+{
+ struct bsd_driver_data *drv = priv;
+ unsigned char buf[3000];
+ unsigned char *bp = buf;
+ struct l2_ethhdr *eth;
+ size_t len;
+ int status;
+
+ /*
+ * Prepend the Etherent header. If the caller left us
+ * space at the front we could just insert it but since
+ * we don't know we copy to a local buffer. Given the frequency
+ * and size of frames this probably doesn't matter.
+ */
+ len = data_len + sizeof(struct l2_ethhdr);
+ if (len > sizeof(buf)) {
+ bp = malloc(len);
+ if (bp == NULL) {
+ printf("EAPOL frame discarded, cannot malloc temp "
+ "buffer of size %u!\n", len);
+ return -1;
+ }
+ }
+ eth = (struct l2_ethhdr *) bp;
+ memcpy(eth->h_dest, addr, ETH_ALEN);
+ memcpy(eth->h_source, own_addr, ETH_ALEN);
+ eth->h_proto = htons(ETH_P_EAPOL);
+ memcpy(eth+1, data, data_len);
+
+ wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);
+
+ status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);
+
+ if (bp != buf)
+ free(bp);
+ return status;
+}
+
+static void
+handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
+{
+ struct bsd_driver_data *drv = ctx;
+ hostapd_eapol_receive(drv->hapd, src_addr,
+ buf + sizeof(struct l2_ethhdr),
+ len - sizeof(struct l2_ethhdr));
+}
+
+static int
+bsd_get_ssid(const char *ifname, void *priv, u8 *buf, int len)
+{
+ struct bsd_driver_data *drv = priv;
+ int ssid_len = get80211var(drv, IEEE80211_IOC_SSID, buf, len);
+
+ wpa_printf(MSG_DEBUG, "%s: ssid=\"%.*s\"", __func__, ssid_len, buf);
+
+ return ssid_len;
+}
+
+static int
+bsd_set_ssid(const char *ifname, void *priv, const u8 *buf, int len)
+{
+ struct bsd_driver_data *drv = priv;
+
+ wpa_printf(MSG_DEBUG, "%s: ssid=\"%.*s\"", __func__, len, buf);
+
+ return set80211var(drv, IEEE80211_IOC_SSID, buf, len);
+}
+
+static void *
+bsd_init(struct hostapd_data *hapd)
+{
+ struct bsd_driver_data *drv;
+
+ drv = os_zalloc(sizeof(struct bsd_driver_data));
+ if (drv == NULL) {
+ printf("Could not allocate memory for bsd driver data\n");
+ goto bad;
+ }
+
+ drv->hapd = hapd;
+ drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
+ if (drv->ioctl_sock < 0) {
+ perror("socket[PF_INET,SOCK_DGRAM]");
+ goto bad;
+ }
+ memcpy(drv->iface, hapd->conf->iface, sizeof(drv->iface));
+
+ drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
+ handle_read, drv, 1);
+ if (drv->sock_xmit == NULL)
+ goto bad;
+ if (l2_packet_get_own_addr(drv->sock_xmit, hapd->own_addr))
+ goto bad;
+
+ bsd_set_iface_flags(drv, 0); /* mark down during setup */
+ if (bsd_wireless_event_init(drv))
+ goto bad;
+
+ return drv;
+bad:
+ if (drv->sock_xmit != NULL)
+ l2_packet_deinit(drv->sock_xmit);
+ if (drv->ioctl_sock >= 0)
+ close(drv->ioctl_sock);
+ if (drv != NULL)
+ free(drv);
+ return NULL;
+}
+
+
+static void
+bsd_deinit(void *priv)
+{
+ struct bsd_driver_data *drv = priv;
+
+ bsd_wireless_event_deinit(drv);
+ (void) bsd_set_iface_flags(drv, 0);
+ if (drv->ioctl_sock >= 0)
+ close(drv->ioctl_sock);
+ if (drv->sock_xmit != NULL)
+ l2_packet_deinit(drv->sock_xmit);
+ free(drv);
+}
+
+const struct wpa_driver_ops wpa_driver_bsd_ops = {
+ .name = "bsd",
+ .hapd_init = bsd_init,
+ .hapd_deinit = bsd_deinit,
+ .set_ieee8021x = bsd_set_ieee8021x,
+ .set_privacy = bsd_set_privacy,
+ .hapd_set_key = bsd_set_key,
+ .get_seqnum = bsd_get_seqnum,
+ .flush = bsd_flush,
+ .set_generic_elem = bsd_set_opt_ie,
+ .sta_set_flags = bsd_sta_set_flags,
+ .read_sta_data = bsd_read_sta_driver_data,
+ .hapd_send_eapol = bsd_send_eapol,
+ .sta_disassoc = bsd_sta_disassoc,
+ .sta_deauth = bsd_sta_deauth,
+ .hapd_set_ssid = bsd_set_ssid,
+ .hapd_get_ssid = bsd_get_ssid,
+};
+
+#else /* HOSTAPD */
+
struct wpa_driver_bsd_data {
int sock; /* open socket for 802.11 ioctls */
int route; /* routing socket for events */
.associate = wpa_driver_bsd_associate,
.set_auth_alg = wpa_driver_bsd_set_auth_alg,
};
+
+#endif /* HOSTAPD */
projects / wpasupplicant / blobdiff