/* * WPA Supplicant - driver interaction with BSD net80211 layer * Copyright (c) 2004, Sam Leffler <sam@errno.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * Alternatively, this software may be distributed under the terms of BSD * license. * * See README and COPYING for more details. */ #include "includes.h" #include <sys/ioctl.h> #include "common.h" #include "driver.h" #include "eloop.h" #include "ieee802_11_defs.h" #include <net/if.h> #ifdef __NetBSD__ #include <net/if_ether.h> #define COMPAT_FREEBSD_NET80211 #else #include <net/ethernet.h> #endif #include <net80211/ieee80211.h> #include <net80211/ieee80211_crypto.h> #include <net80211/ieee80211_ioctl.h> struct wpa_driver_bsd_data { int sock; /* open socket for 802.11 ioctls */ int route; /* routing socket for events */ char ifname[IFNAMSIZ+1]; /* interface name */ unsigned int ifindex; /* interface index */ void *ctx; int prev_roaming; /* roaming state to restore on deinit */ int prev_privacy; /* privacy state to restore on deinit */ int prev_wpa; /* wpa state to restore on deinit */ }; static int set80211var(struct wpa_driver_bsd_data *drv, int op, const void *arg, int arg_len) { struct ieee80211req ireq; os_memset(&ireq, 0, sizeof(ireq)); os_strlcpy(ireq.i_name, drv->ifname, IFNAMSIZ); ireq.i_type = op; ireq.i_len = arg_len; ireq.i_data = (void *) arg; if (ioctl(drv->sock, SIOCS80211, &ireq) < 0) { fprintf(stderr, "ioctl[SIOCS80211, op %u, len %u]: %s\n", op, arg_len, strerror(errno)); return -1; } return 0; } static int get80211var(struct wpa_driver_bsd_data *drv, int op, void *arg, int arg_len) { struct ieee80211req ireq; os_memset(&ireq, 0, sizeof(ireq)); os_strlcpy(ireq.i_name, drv->ifname, IFNAMSIZ); ireq.i_type = op; ireq.i_len = arg_len; ireq.i_data = arg; if (ioctl(drv->sock, SIOCG80211, &ireq) < 0) { fprintf(stderr, "ioctl[SIOCG80211, op %u, len %u]: %s\n", op, arg_len, strerror(errno)); return -1; } return ireq.i_len; } static int set80211param(struct wpa_driver_bsd_data *drv, int op, int arg) { struct ieee80211req ireq; os_memset(&ireq, 0, sizeof(ireq)); os_strlcpy(ireq.i_name, drv->ifname, IFNAMSIZ); ireq.i_type = op; ireq.i_val = arg; if (ioctl(drv->sock, SIOCS80211, &ireq) < 0) { fprintf(stderr, "ioctl[SIOCS80211, op %u, arg 0x%x]: %s\n", op, arg, strerror(errno)); return -1; } return 0; } static int get80211param(struct wpa_driver_bsd_data *drv, int op) { struct ieee80211req ireq; os_memset(&ireq, 0, sizeof(ireq)); os_strlcpy(ireq.i_name, drv->ifname, IFNAMSIZ); ireq.i_type = op; if (ioctl(drv->sock, SIOCG80211, &ireq) < 0) { fprintf(stderr, "ioctl[SIOCG80211, op %u]: %s\n", op, strerror(errno)); return -1; } return ireq.i_val; } static int getifflags(struct wpa_driver_bsd_data *drv, int *flags) { struct ifreq ifr; os_memset(&ifr, 0, sizeof(ifr)); os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name)); if (ioctl(drv->sock, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) { perror("SIOCGIFFLAGS"); return errno; } *flags = ifr.ifr_flags & 0xffff; return 0; } static int setifflags(struct wpa_driver_bsd_data *drv, int flags) { struct ifreq ifr; os_memset(&ifr, 0, sizeof(ifr)); os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name)); ifr.ifr_flags = flags & 0xffff; if (ioctl(drv->sock, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) { perror("SIOCSIFFLAGS"); return errno; } return 0; } static int wpa_driver_bsd_get_bssid(void *priv, u8 *bssid) { struct wpa_driver_bsd_data *drv = priv; return get80211var(drv, IEEE80211_IOC_BSSID, bssid, IEEE80211_ADDR_LEN) < 0 ? -1 : 0; } #if 0 static int wpa_driver_bsd_set_bssid(void *priv, const char *bssid) { struct wpa_driver_bsd_data *drv = priv; return set80211var(drv, IEEE80211_IOC_BSSID, bssid, IEEE80211_ADDR_LEN); } #endif static int wpa_driver_bsd_get_ssid(void *priv, u8 *ssid) { struct wpa_driver_bsd_data *drv = priv; return get80211var(drv, IEEE80211_IOC_SSID, ssid, IEEE80211_NWID_LEN); } static int wpa_driver_bsd_set_ssid(void *priv, const u8 *ssid, size_t ssid_len) { struct wpa_driver_bsd_data *drv = priv; return set80211var(drv, IEEE80211_IOC_SSID, ssid, ssid_len); } static int wpa_driver_bsd_set_wpa_ie(struct wpa_driver_bsd_data *drv, const u8 *wpa_ie, size_t wpa_ie_len) { return set80211var(drv, IEEE80211_IOC_OPTIE, wpa_ie, wpa_ie_len); } static int wpa_driver_bsd_set_wpa_internal(void *priv, int wpa, int privacy) { struct wpa_driver_bsd_data *drv = priv; int ret = 0; wpa_printf(MSG_DEBUG, "%s: wpa=%d privacy=%d", __FUNCTION__, wpa, privacy); if (!wpa && wpa_driver_bsd_set_wpa_ie(drv, NULL, 0) < 0) ret = -1; if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0) ret = -1; if (set80211param(drv, IEEE80211_IOC_WPA, wpa) < 0) ret = -1; return ret; } static int wpa_driver_bsd_set_wpa(void *priv, int enabled) { wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled); return wpa_driver_bsd_set_wpa_internal(priv, enabled ? 3 : 0, enabled); } static int wpa_driver_bsd_del_key(struct wpa_driver_bsd_data *drv, int key_idx, const unsigned char *addr) { struct ieee80211req_del_key wk; os_memset(&wk, 0, sizeof(wk)); if (addr != NULL && bcmp(addr, "\xff\xff\xff\xff\xff\xff", IEEE80211_ADDR_LEN) != 0) { struct ether_addr ea; os_memcpy(&ea, addr, IEEE80211_ADDR_LEN); wpa_printf(MSG_DEBUG, "%s: addr=%s keyidx=%d", __func__, ether_ntoa(&ea), key_idx); os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN); wk.idk_keyix = (uint8_t) IEEE80211_KEYIX_NONE; } else { wpa_printf(MSG_DEBUG, "%s: keyidx=%d", __func__, key_idx); wk.idk_keyix = key_idx; } return set80211var(drv, IEEE80211_IOC_DELKEY, &wk, sizeof(wk)); } static int wpa_driver_bsd_set_key(void *priv, wpa_alg alg, const unsigned char *addr, int key_idx, int set_tx, const u8 *seq, size_t seq_len, const u8 *key, size_t key_len) { struct wpa_driver_bsd_data *drv = priv; struct ieee80211req_key wk; struct ether_addr ea; char *alg_name; u_int8_t cipher; if (alg == WPA_ALG_NONE) return wpa_driver_bsd_del_key(drv, key_idx, addr); switch (alg) { case WPA_ALG_WEP: alg_name = "WEP"; cipher = IEEE80211_CIPHER_WEP; break; case WPA_ALG_TKIP: alg_name = "TKIP"; cipher = IEEE80211_CIPHER_TKIP; break; case WPA_ALG_CCMP: alg_name = "CCMP"; cipher = IEEE80211_CIPHER_AES_CCM; break; default: wpa_printf(MSG_DEBUG, "%s: unknown/unsupported algorithm %d", __func__, alg); return -1; } os_memcpy(&ea, addr, IEEE80211_ADDR_LEN); wpa_printf(MSG_DEBUG, "%s: alg=%s addr=%s key_idx=%d set_tx=%d seq_len=%zu key_len=%zu", __func__, alg_name, ether_ntoa(&ea), key_idx, set_tx, seq_len, key_len); if (seq_len > sizeof(u_int64_t)) { wpa_printf(MSG_DEBUG, "%s: seq_len %zu too big", __func__, seq_len); return -2; } if (key_len > sizeof(wk.ik_keydata)) { wpa_printf(MSG_DEBUG, "%s: key length %zu too big", __func__, key_len); return -3; } os_memset(&wk, 0, sizeof(wk)); wk.ik_type = cipher; wk.ik_flags = IEEE80211_KEY_RECV; if (set_tx) wk.ik_flags |= IEEE80211_KEY_XMIT; os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN); /* * Deduce whether group/global or unicast key by checking * the address (yech). Note also that we can only mark global * keys default; doing this for a unicast key is an error. */ if (bcmp(addr, "\xff\xff\xff\xff\xff\xff", IEEE80211_ADDR_LEN) == 0) { wk.ik_flags |= IEEE80211_KEY_GROUP; wk.ik_keyix = key_idx; } else { wk.ik_keyix = (key_idx == 0 ? IEEE80211_KEYIX_NONE : key_idx); } if (wk.ik_keyix != IEEE80211_KEYIX_NONE && set_tx) wk.ik_flags |= IEEE80211_KEY_DEFAULT; wk.ik_keylen = key_len; os_memcpy(&wk.ik_keyrsc, seq, seq_len); os_memcpy(wk.ik_keydata, key, key_len); return set80211var(drv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk)); } static int wpa_driver_bsd_set_countermeasures(void *priv, int enabled) { struct wpa_driver_bsd_data *drv = priv; wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled); return set80211param(drv, IEEE80211_IOC_COUNTERMEASURES, enabled); } static int wpa_driver_bsd_set_drop_unencrypted(void *priv, int enabled) { struct wpa_driver_bsd_data *drv = priv; wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled); return set80211param(drv, IEEE80211_IOC_DROPUNENCRYPTED, enabled); } static int wpa_driver_bsd_deauthenticate(void *priv, const u8 *addr, int reason_code) { struct wpa_driver_bsd_data *drv = priv; struct ieee80211req_mlme mlme; wpa_printf(MSG_DEBUG, "%s", __func__); os_memset(&mlme, 0, sizeof(mlme)); mlme.im_op = IEEE80211_MLME_DEAUTH; mlme.im_reason = reason_code; os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)); } static int wpa_driver_bsd_disassociate(void *priv, const u8 *addr, int reason_code) { struct wpa_driver_bsd_data *drv = priv; struct ieee80211req_mlme mlme; wpa_printf(MSG_DEBUG, "%s", __func__); os_memset(&mlme, 0, sizeof(mlme)); mlme.im_op = IEEE80211_MLME_DISASSOC; mlme.im_reason = reason_code; os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); return set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)); } static int wpa_driver_bsd_associate(void *priv, struct wpa_driver_associate_params *params) { struct wpa_driver_bsd_data *drv = priv; struct ieee80211req_mlme mlme; int privacy; wpa_printf(MSG_DEBUG, "%s: ssid '%.*s' wpa ie len %u pairwise %u group %u key mgmt %u" , __func__ , params->ssid_len, params->ssid , params->wpa_ie_len , params->pairwise_suite , params->group_suite , params->key_mgmt_suite ); /* XXX error handling is wrong but unclear what to do... */ if (wpa_driver_bsd_set_wpa_ie(drv, params->wpa_ie, params->wpa_ie_len) < 0) return -1; privacy = !(params->pairwise_suite == CIPHER_NONE && params->group_suite == CIPHER_NONE && params->key_mgmt_suite == KEY_MGMT_NONE && params->wpa_ie_len == 0); wpa_printf(MSG_DEBUG, "%s: set PRIVACY %u", __func__, privacy); if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0) return -1; if (params->wpa_ie_len && set80211param(drv, IEEE80211_IOC_WPA, params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1) < 0) return -1; os_memset(&mlme, 0, sizeof(mlme)); mlme.im_op = IEEE80211_MLME_ASSOC; if (params->ssid != NULL) os_memcpy(mlme.im_ssid, params->ssid, params->ssid_len); mlme.im_ssid_len = params->ssid_len; if (params->bssid != NULL) os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN); if (set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)) < 0) return -1; return 0; } static int wpa_driver_bsd_set_auth_alg(void *priv, int auth_alg) { struct wpa_driver_bsd_data *drv = priv; int authmode; if ((auth_alg & AUTH_ALG_OPEN_SYSTEM) && (auth_alg & AUTH_ALG_SHARED_KEY)) authmode = IEEE80211_AUTH_AUTO; else if (auth_alg & AUTH_ALG_SHARED_KEY) authmode = IEEE80211_AUTH_SHARED; else authmode = IEEE80211_AUTH_OPEN; return set80211param(drv, IEEE80211_IOC_AUTHMODE, authmode); } static int wpa_driver_bsd_scan(void *priv, const u8 *ssid, size_t ssid_len) { struct wpa_driver_bsd_data *drv = priv; int flags; /* NB: interface must be marked UP to do a scan */ if (getifflags(drv, &flags) != 0 || setifflags(drv, flags | IFF_UP) != 0) return -1; /* set desired ssid before scan */ if (wpa_driver_bsd_set_ssid(drv, ssid, ssid_len) < 0) return -1; /* NB: net80211 delivers a scan complete event so no need to poll */ return set80211param(drv, IEEE80211_IOC_SCAN_REQ, 0); } #include <net/route.h> #if __FreeBSD__ #include <net80211/ieee80211_freebsd.h> #endif #if __NetBSD__ #include <net80211/ieee80211_netbsd.h> #endif static void wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx) { struct wpa_driver_bsd_data *drv = sock_ctx; char buf[2048]; struct if_announcemsghdr *ifan; struct if_msghdr *ifm; struct rt_msghdr *rtm; union wpa_event_data event; struct ieee80211_michael_event *mic; 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; } os_memset(&event, 0, sizeof(event)); switch (rtm->rtm_type) { case RTM_IFANNOUNCE: ifan = (struct if_announcemsghdr *) rtm; if (ifan->ifan_index != drv->ifindex) break; strlcpy(event.interface_status.ifname, drv->ifname, sizeof(event.interface_status.ifname)); switch (ifan->ifan_what) { case IFAN_DEPARTURE: event.interface_status.ievent = EVENT_INTERFACE_REMOVED; default: return; } wpa_printf(MSG_DEBUG, "RTM_IFANNOUNCE: Interface '%s' %s", event.interface_status.ifname, ifan->ifan_what == IFAN_DEPARTURE ? "removed" : "added"); wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event); break; case RTM_IEEE80211: ifan = (struct if_announcemsghdr *) rtm; if (ifan->ifan_index != drv->ifindex) break; switch (ifan->ifan_what) { case RTM_IEEE80211_ASSOC: case RTM_IEEE80211_REASSOC: wpa_supplicant_event(ctx, EVENT_ASSOC, NULL); break; case RTM_IEEE80211_DISASSOC: wpa_supplicant_event(ctx, EVENT_DISASSOC, NULL); break; case RTM_IEEE80211_SCAN: wpa_supplicant_event(ctx, EVENT_SCAN_RESULTS, NULL); 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)); os_memset(&event, 0, sizeof(event)); event.michael_mic_failure.unicast = !IEEE80211_IS_MULTICAST(mic->iev_dst); wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE, &event); break; } break; case RTM_IFINFO: ifm = (struct if_msghdr *) rtm; if (ifm->ifm_index != drv->ifindex) break; if ((rtm->rtm_flags & RTF_UP) == 0) { strlcpy(event.interface_status.ifname, drv->ifname, sizeof(event.interface_status.ifname)); event.interface_status.ievent = EVENT_INTERFACE_REMOVED; wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' DOWN", event.interface_status.ifname); wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event); } break; } } /* Compare function for sorting scan results. Return >0 if @b is consider * better. */ static int wpa_scan_result_compar(const void *a, const void *b) { const struct wpa_scan_result *wa = a; const struct wpa_scan_result *wb = b; /* WPA/WPA2 support preferred */ if ((wb->wpa_ie_len || wb->rsn_ie_len) && !(wa->wpa_ie_len || wa->rsn_ie_len)) return 1; if (!(wb->wpa_ie_len || wb->rsn_ie_len) && (wa->wpa_ie_len || wa->rsn_ie_len)) return -1; /* privacy support preferred */ if ((wa->caps & IEEE80211_CAPINFO_PRIVACY) && (wb->caps & IEEE80211_CAPINFO_PRIVACY) == 0) return 1; if ((wa->caps & IEEE80211_CAPINFO_PRIVACY) == 0 && (wb->caps & IEEE80211_CAPINFO_PRIVACY)) return -1; /* best/max rate preferred if signal level close enough XXX */ if (wa->maxrate != wb->maxrate && abs(wb->level - wa->level) < 5) return wb->maxrate - wa->maxrate; /* use freq for channel preference */ /* all things being equal, use signal level */ return wb->level - wa->level; } static int getmaxrate(uint8_t rates[15], uint8_t nrates) { int i, maxrate = -1; for (i = 0; i < nrates; i++) { int rate = rates[i] & IEEE80211_RATE_VAL; if (rate > maxrate) rate = maxrate; } return maxrate; } /* unalligned little endian access */ #define LE_READ_4(p) \ ((u_int32_t) \ ((((const u_int8_t *)(p))[0] ) | \ (((const u_int8_t *)(p))[1] << 8) | \ (((const u_int8_t *)(p))[2] << 16) | \ (((const u_int8_t *)(p))[3] << 24))) static int __inline iswpaoui(const u_int8_t *frm) { return frm[1] > 3 && LE_READ_4(frm+2) == ((WPA_OUI_TYPE<<24)|WPA_OUI); } static int wpa_driver_bsd_get_scan_results(void *priv, struct wpa_scan_result *results, size_t max_size) { #define min(a,b) ((a)>(b)?(b):(a)) struct wpa_driver_bsd_data *drv = priv; uint8_t buf[24*1024]; uint8_t *cp, *vp; struct ieee80211req_scan_result *sr; struct wpa_scan_result *wsr; int len, ielen; os_memset(results, 0, max_size * sizeof(struct wpa_scan_result)); len = get80211var(drv, IEEE80211_IOC_SCAN_RESULTS, buf, sizeof(buf)); if (len < 0) return -1; cp = buf; wsr = results; while (len >= sizeof(struct ieee80211req_scan_result)) { sr = (struct ieee80211req_scan_result *) cp; os_memcpy(wsr->bssid, sr->isr_bssid, IEEE80211_ADDR_LEN); wsr->ssid_len = sr->isr_ssid_len; wsr->freq = sr->isr_freq; wsr->noise = sr->isr_noise; wsr->qual = sr->isr_rssi; wsr->level = 0; /* XXX? */ wsr->caps = sr->isr_capinfo; wsr->maxrate = getmaxrate(sr->isr_rates, sr->isr_nrates); vp = (u_int8_t *)(sr+1); os_memcpy(wsr->ssid, vp, sr->isr_ssid_len); if (sr->isr_ie_len > 0) { vp += sr->isr_ssid_len; ielen = sr->isr_ie_len; while (ielen > 0) { switch (vp[0]) { case IEEE80211_ELEMID_VENDOR: if (!iswpaoui(vp)) break; wsr->wpa_ie_len = min(2+vp[1], SSID_MAX_WPA_IE_LEN); os_memcpy(wsr->wpa_ie, vp, wsr->wpa_ie_len); break; case IEEE80211_ELEMID_RSN: wsr->rsn_ie_len = min(2+vp[1], SSID_MAX_WPA_IE_LEN); os_memcpy(wsr->rsn_ie, vp, wsr->rsn_ie_len); break; } ielen -= 2+vp[1]; vp += 2+vp[1]; } } cp += sr->isr_len, len -= sr->isr_len; wsr++; } qsort(results, wsr - results, sizeof(struct wpa_scan_result), wpa_scan_result_compar); wpa_printf(MSG_DEBUG, "Received %d bytes of scan results (%d BSSes)", len, wsr - results); return wsr - results; #undef min } static void * wpa_driver_bsd_init(void *ctx, const char *ifname) { #define GETPARAM(drv, param, v) \ (((v) = get80211param(drv, param)) != -1) struct wpa_driver_bsd_data *drv; drv = os_zalloc(sizeof(*drv)); if (drv == NULL) return NULL; /* * NB: We require the interface name be mappable to an index. * This implies we do not support having wpa_supplicant * wait for an interface to appear. This seems ok; that * doesn't belong here; it's really the job of devd. */ drv->ifindex = if_nametoindex(ifname); if (drv->ifindex == 0) { wpa_printf(MSG_DEBUG, "%s: interface %s does not exist", __func__, ifname); goto fail1; } drv->sock = socket(PF_INET, SOCK_DGRAM, 0); if (drv->sock < 0) goto fail1; drv->route = socket(PF_ROUTE, SOCK_RAW, 0); if (drv->route < 0) goto fail; eloop_register_read_sock(drv->route, wpa_driver_bsd_event_receive, ctx, drv); drv->ctx = ctx; os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname)); if (!GETPARAM(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming)) { wpa_printf(MSG_DEBUG, "%s: failed to get roaming state: %s", __func__, strerror(errno)); goto fail; } if (!GETPARAM(drv, IEEE80211_IOC_PRIVACY, drv->prev_privacy)) { wpa_printf(MSG_DEBUG, "%s: failed to get privacy state: %s", __func__, strerror(errno)); goto fail; } if (!GETPARAM(drv, IEEE80211_IOC_WPA, drv->prev_wpa)) { wpa_printf(MSG_DEBUG, "%s: failed to get wpa state: %s", __func__, strerror(errno)); goto fail; } if (set80211param(drv, IEEE80211_IOC_ROAMING, IEEE80211_ROAMING_MANUAL) < 0) { wpa_printf(MSG_DEBUG, "%s: failed to set wpa_supplicant-based " "roaming: %s", __func__, strerror(errno)); goto fail; } if (set80211param(drv, IEEE80211_IOC_WPA, 1+2) < 0) { wpa_printf(MSG_DEBUG, "%s: failed to enable WPA support %s", __func__, strerror(errno)); goto fail; } return drv; fail: close(drv->sock); fail1: os_free(drv); return NULL; #undef GETPARAM } static void wpa_driver_bsd_deinit(void *priv) { struct wpa_driver_bsd_data *drv = priv; int flags; eloop_unregister_read_sock(drv->route); /* NB: mark interface down */ if (getifflags(drv, &flags) == 0) (void) setifflags(drv, flags &~ IFF_UP); wpa_driver_bsd_set_wpa_internal(drv, drv->prev_wpa, drv->prev_privacy); if (set80211param(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming) < 0) wpa_printf(MSG_DEBUG, "%s: failed to restore roaming state", __func__); (void) close(drv->route); /* ioctl socket */ (void) close(drv->sock); /* event socket */ os_free(drv); } const struct wpa_driver_ops wpa_driver_bsd_ops = { .name = "bsd", .desc = "BSD 802.11 support (Atheros, etc.)", .init = wpa_driver_bsd_init, .deinit = wpa_driver_bsd_deinit, .get_bssid = wpa_driver_bsd_get_bssid, .get_ssid = wpa_driver_bsd_get_ssid, .set_wpa = wpa_driver_bsd_set_wpa, .set_key = wpa_driver_bsd_set_key, .set_countermeasures = wpa_driver_bsd_set_countermeasures, .set_drop_unencrypted = wpa_driver_bsd_set_drop_unencrypted, .scan = wpa_driver_bsd_scan, .get_scan_results = wpa_driver_bsd_get_scan_results, .deauthenticate = wpa_driver_bsd_deauthenticate, .disassociate = wpa_driver_bsd_disassociate, .associate = wpa_driver_bsd_associate, .set_auth_alg = wpa_driver_bsd_set_auth_alg, };