| /* |
| * WPA Supplicant - driver interaction with BSD net80211 layer |
| * Copyright (c) 2004, Sam Leffler <sam@errno.com> |
| * Copyright (c) 2004, 2Wire, Inc |
| * |
| * 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 <sys/sysctl.h> |
| |
| #include "common.h" |
| #include "driver.h" |
| #include "eloop.h" |
| #include "common/ieee802_11_defs.h" |
| #include "common/wpa_common.h" |
| |
| #include <net/if.h> |
| #include <net/if_media.h> |
| |
| #ifdef __NetBSD__ |
| #include <net/if_ether.h> |
| #else |
| #include <net/ethernet.h> |
| #endif |
| #include <net/route.h> |
| |
| #ifdef __DragonFly__ |
| #include <netproto/802_11/ieee80211_ioctl.h> |
| #include <netproto/802_11/ieee80211_dragonfly.h> |
| #else /* __DragonFly__ */ |
| #ifdef __GLIBC__ |
| #include <netinet/ether.h> |
| #endif /* __GLIBC__ */ |
| #include <net80211/ieee80211.h> |
| #include <net80211/ieee80211_ioctl.h> |
| #include <net80211/ieee80211_crypto.h> |
| #endif /* __DragonFly__ || __GLIBC__ */ |
| #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) |
| #include <net80211/ieee80211_freebsd.h> |
| #endif |
| #if __NetBSD__ |
| #include <net80211/ieee80211_netbsd.h> |
| #endif |
| |
| #include "l2_packet/l2_packet.h" |
| |
| struct bsd_driver_data { |
| struct hostapd_data *hapd; /* back pointer */ |
| |
| int sock; /* open socket for 802.11 ioctls */ |
| struct l2_packet_data *sock_xmit;/* raw packet xmit socket */ |
| int route; /* routing socket for events */ |
| char ifname[IFNAMSIZ+1]; /* interface name */ |
| unsigned int ifindex; /* interface index */ |
| void *ctx; |
| struct wpa_driver_capa capa; /* driver capability */ |
| int is_ap; /* Access point mode */ |
| 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 */ |
| }; |
| |
| /* Generic functions for hostapd and wpa_supplicant */ |
| |
| static int |
| bsd_set80211(void *priv, int op, int val, const void *arg, int arg_len) |
| { |
| struct bsd_driver_data *drv = priv; |
| struct ieee80211req ireq; |
| |
| os_memset(&ireq, 0, sizeof(ireq)); |
| os_strlcpy(ireq.i_name, drv->ifname, sizeof(ireq.i_name)); |
| ireq.i_type = op; |
| ireq.i_val = val; |
| ireq.i_data = (void *) arg; |
| ireq.i_len = arg_len; |
| |
| if (ioctl(drv->sock, SIOCS80211, &ireq) < 0) { |
| wpa_printf(MSG_ERROR, "ioctl[SIOCS80211, op=%u, val=%u, " |
| "arg_len=%u]: %s", op, val, arg_len, |
| strerror(errno)); |
| return -1; |
| } |
| return 0; |
| } |
| |
| static int |
| bsd_get80211(void *priv, struct ieee80211req *ireq, int op, void *arg, |
| int arg_len) |
| { |
| struct bsd_driver_data *drv = priv; |
| |
| os_memset(ireq, 0, sizeof(*ireq)); |
| os_strlcpy(ireq->i_name, drv->ifname, sizeof(ireq->i_name)); |
| ireq->i_type = op; |
| ireq->i_len = arg_len; |
| ireq->i_data = arg; |
| |
| if (ioctl(drv->sock, SIOCG80211, ireq) < 0) { |
| wpa_printf(MSG_ERROR, "ioctl[SIOCS80211, op=%u, " |
| "arg_len=%u]: %s", op, arg_len, strerror(errno)); |
| return -1; |
| } |
| return 0; |
| } |
| |
| static int |
| get80211var(struct bsd_driver_data *drv, int op, void *arg, int arg_len) |
| { |
| struct ieee80211req ireq; |
| |
| if (bsd_get80211(drv, &ireq, op, arg, arg_len) < 0) |
| return -1; |
| return ireq.i_len; |
| } |
| |
| static int |
| set80211var(struct bsd_driver_data *drv, int op, const void *arg, int arg_len) |
| { |
| return bsd_set80211(drv, op, 0, arg, arg_len); |
| } |
| |
| static int |
| set80211param(struct bsd_driver_data *drv, int op, int arg) |
| { |
| return bsd_set80211(drv, op, arg, NULL, 0); |
| } |
| |
| static int |
| bsd_get_ssid(void *priv, u8 *ssid, int len) |
| { |
| struct bsd_driver_data *drv = priv; |
| #ifdef SIOCG80211NWID |
| struct ieee80211_nwid nwid; |
| struct ifreq ifr; |
| |
| os_memset(&ifr, 0, sizeof(ifr)); |
| os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name)); |
| ifr.ifr_data = (void *)&nwid; |
| if (ioctl(drv->sock, SIOCG80211NWID, &ifr) < 0 || |
| nwid.i_len > IEEE80211_NWID_LEN) |
| return -1; |
| os_memcpy(ssid, nwid.i_nwid, nwid.i_len); |
| return nwid.i_len; |
| #else |
| return get80211var(drv, IEEE80211_IOC_SSID, ssid, IEEE80211_NWID_LEN); |
| #endif |
| } |
| |
| static int |
| bsd_set_ssid(void *priv, const u8 *ssid, int ssid_len) |
| { |
| struct bsd_driver_data *drv = priv; |
| #ifdef SIOCS80211NWID |
| struct ieee80211_nwid nwid; |
| struct ifreq ifr; |
| |
| os_memcpy(nwid.i_nwid, ssid, ssid_len); |
| nwid.i_len = ssid_len; |
| os_memset(&ifr, 0, sizeof(ifr)); |
| os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name)); |
| ifr.ifr_data = (void *)&nwid; |
| return ioctl(drv->sock, SIOCS80211NWID, &ifr); |
| #else |
| return set80211var(drv, IEEE80211_IOC_SSID, ssid, ssid_len); |
| #endif |
| } |
| |
| static int |
| bsd_get_if_media(void *priv) |
| { |
| struct bsd_driver_data *drv = priv; |
| struct ifmediareq ifmr; |
| |
| os_memset(&ifmr, 0, sizeof(ifmr)); |
| os_strlcpy(ifmr.ifm_name, drv->ifname, sizeof(ifmr.ifm_name)); |
| |
| if (ioctl(drv->sock, SIOCGIFMEDIA, &ifmr) < 0) { |
| wpa_printf(MSG_ERROR, "%s: SIOCGIFMEDIA %s", __func__, |
| strerror(errno)); |
| return -1; |
| } |
| |
| return ifmr.ifm_current; |
| } |
| |
| static int |
| bsd_set_if_media(void *priv, int media) |
| { |
| struct bsd_driver_data *drv = priv; |
| struct ifreq ifr; |
| |
| os_memset(&ifr, 0, sizeof(ifr)); |
| os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name)); |
| ifr.ifr_media = media; |
| |
| if (ioctl(drv->sock, SIOCSIFMEDIA, &ifr) < 0) { |
| wpa_printf(MSG_ERROR, "%s: SIOCSIFMEDIA %s", __func__, |
| strerror(errno)); |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| static int |
| bsd_set_mediaopt(void *priv, uint32_t mask, uint32_t mode) |
| { |
| int media = bsd_get_if_media(priv); |
| |
| if (media < 0) |
| return -1; |
| media &= ~mask; |
| media |= mode; |
| if (bsd_set_if_media(priv, media) < 0) |
| return -1; |
| return 0; |
| } |
| |
| static int |
| bsd_del_key(void *priv, const u8 *addr, int key_idx) |
| { |
| struct ieee80211req_del_key wk; |
| |
| os_memset(&wk, 0, sizeof(wk)); |
| if (addr == NULL) { |
| wpa_printf(MSG_DEBUG, "%s: key_idx=%d", __func__, key_idx); |
| wk.idk_keyix = key_idx; |
| } else { |
| wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__, |
| MAC2STR(addr)); |
| os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN); |
| wk.idk_keyix = (u_int8_t) IEEE80211_KEYIX_NONE; /* XXX */ |
| } |
| |
| return set80211var(priv, IEEE80211_IOC_DELKEY, &wk, sizeof(wk)); |
| } |
| |
| static int |
| bsd_send_mlme_param(void *priv, const u8 op, const u16 reason, const u8 *addr) |
| { |
| struct ieee80211req_mlme mlme; |
| |
| os_memset(&mlme, 0, sizeof(mlme)); |
| mlme.im_op = op; |
| mlme.im_reason = reason; |
| os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); |
| return set80211var(priv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)); |
| } |
| |
| static int |
| bsd_ctrl_iface(void *priv, int enable) |
| { |
| struct bsd_driver_data *drv = priv; |
| 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, &ifr) < 0) { |
| perror("ioctl[SIOCGIFFLAGS]"); |
| return -1; |
| } |
| |
| if (enable) |
| ifr.ifr_flags |= IFF_UP; |
| else |
| ifr.ifr_flags &= ~IFF_UP; |
| |
| if (ioctl(drv->sock, SIOCSIFFLAGS, &ifr) < 0) { |
| perror("ioctl[SIOCSIFFLAGS]"); |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| static int |
| bsd_set_key(const char *ifname, void *priv, enum 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 ieee80211req_key wk; |
| |
| wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%p key_idx=%d set_tx=%d " |
| "seq_len=%zu key_len=%zu", __func__, alg, addr, key_idx, |
| set_tx, seq_len, key_len); |
| |
| if (alg == WPA_ALG_NONE) { |
| #ifndef HOSTAPD |
| if (addr == NULL || is_broadcast_ether_addr(addr)) |
| return bsd_del_key(priv, NULL, key_idx); |
| else |
| #endif /* HOSTAPD */ |
| return bsd_del_key(priv, addr, key_idx); |
| } |
| |
| os_memset(&wk, 0, sizeof(wk)); |
| switch (alg) { |
| case WPA_ALG_WEP: |
| wk.ik_type = IEEE80211_CIPHER_WEP; |
| break; |
| case WPA_ALG_TKIP: |
| wk.ik_type = IEEE80211_CIPHER_TKIP; |
| break; |
| case WPA_ALG_CCMP: |
| wk.ik_type = IEEE80211_CIPHER_AES_CCM; |
| break; |
| default: |
| wpa_printf(MSG_ERROR, "%s: unknown alg=%d", __func__, alg); |
| return -1; |
| } |
| |
| wk.ik_flags = IEEE80211_KEY_RECV; |
| if (set_tx) |
| wk.ik_flags |= IEEE80211_KEY_XMIT; |
| |
| if (addr == NULL) { |
| os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN); |
| wk.ik_keyix = key_idx; |
| } else { |
| 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 (is_broadcast_ether_addr(addr)) { |
| 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; |
| if (seq) { |
| #ifdef WORDS_BIGENDIAN |
| /* |
| * wk.ik_keyrsc is in host byte order (big endian), need to |
| * swap it to match with the byte order used in WPA. |
| */ |
| int i; |
| u8 *keyrsc = (u8 *) &wk.ik_keyrsc; |
| for (i = 0; i < seq_len; i++) |
| keyrsc[WPA_KEY_RSC_LEN - i - 1] = seq[i]; |
| #else /* WORDS_BIGENDIAN */ |
| os_memcpy(&wk.ik_keyrsc, seq, seq_len); |
| #endif /* WORDS_BIGENDIAN */ |
| } |
| os_memcpy(wk.ik_keydata, key, key_len); |
| |
| return set80211var(priv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk)); |
| } |
| |
| static int |
| bsd_configure_wpa(void *priv, struct wpa_bss_params *params) |
| { |
| #ifndef IEEE80211_IOC_APPIE |
| static const char *ciphernames[] = |
| { "WEP", "TKIP", "AES-OCB", "AES-CCM", "CKIP", "NONE" }; |
| int v; |
| |
| switch (params->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", |
| params->wpa_group); |
| return -1; |
| } |
| wpa_printf(MSG_DEBUG, "%s: group key cipher=%s (%u)", |
| __func__, ciphernames[v], v); |
| if (set80211param(priv, 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 = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5); |
| if (set80211param(priv, IEEE80211_IOC_MCASTKEYLEN, v)) { |
| printf("Unable to set group key length to %u\n", v); |
| return -1; |
| } |
| } |
| |
| v = 0; |
| if (params->wpa_pairwise & WPA_CIPHER_CCMP) |
| v |= 1<<IEEE80211_CIPHER_AES_CCM; |
| if (params->wpa_pairwise & WPA_CIPHER_TKIP) |
| v |= 1<<IEEE80211_CIPHER_TKIP; |
| if (params->wpa_pairwise & WPA_CIPHER_NONE) |
| v |= 1<<IEEE80211_CIPHER_NONE; |
| wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v); |
| if (set80211param(priv, 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__, params->wpa_key_mgmt); |
| if (set80211param(priv, IEEE80211_IOC_KEYMGTALGS, |
| params->wpa_key_mgmt)) { |
| printf("Unable to set key management algorithms to 0x%x\n", |
| params->wpa_key_mgmt); |
| return -1; |
| } |
| |
| v = 0; |
| if (params->rsn_preauth) |
| v |= BIT(0); |
| wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x", |
| __func__, params->rsn_preauth); |
| if (set80211param(priv, IEEE80211_IOC_RSNCAPS, v)) { |
| printf("Unable to set RSN capabilities to 0x%x\n", v); |
| return -1; |
| } |
| #endif /* IEEE80211_IOC_APPIE */ |
| |
| wpa_printf(MSG_DEBUG, "%s: enable WPA= 0x%x", __func__, params->wpa); |
| if (set80211param(priv, IEEE80211_IOC_WPA, params->wpa)) { |
| printf("Unable to set WPA to %u\n", params->wpa); |
| return -1; |
| } |
| return 0; |
| } |
| |
| static int |
| bsd_set_ieee8021x(void *priv, struct wpa_bss_params *params) |
| { |
| wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled); |
| |
| if (!params->enabled) { |
| /* XXX restore state */ |
| return set80211param(priv, IEEE80211_IOC_AUTHMODE, |
| IEEE80211_AUTH_AUTO); |
| } |
| if (!params->wpa && !params->ieee802_1x) { |
| wpa_printf(MSG_ERROR, "%s: No 802.1X or WPA enabled", |
| __func__); |
| return -1; |
| } |
| if (params->wpa && bsd_configure_wpa(priv, params) != 0) { |
| wpa_printf(MSG_ERROR, "%s: Failed to configure WPA state", |
| __func__); |
| return -1; |
| } |
| if (set80211param(priv, IEEE80211_IOC_AUTHMODE, |
| (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) { |
| wpa_printf(MSG_ERROR, "%s: Failed to enable WPA/802.1X", |
| __func__); |
| return -1; |
| } |
| return bsd_ctrl_iface(priv, 1); |
| } |
| |
| static int |
| bsd_set_sta_authorized(void *priv, const u8 *addr, |
| int total_flags, int flags_or, int flags_and) |
| { |
| int authorized = -1; |
| |
| /* For now, only support setting Authorized flag */ |
| if (flags_or & WPA_STA_AUTHORIZED) |
| authorized = 1; |
| if (!(flags_and & WPA_STA_AUTHORIZED)) |
| authorized = 0; |
| |
| if (authorized < 0) |
| return 0; |
| |
| return bsd_send_mlme_param(priv, authorized ? |
| IEEE80211_MLME_AUTHORIZE : |
| IEEE80211_MLME_UNAUTHORIZE, 0, addr); |
| } |
| |
| static void |
| bsd_new_sta(void *priv, void *ctx, u8 addr[IEEE80211_ADDR_LEN]) |
| { |
| 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(priv, 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: |
| drv_event_assoc(ctx, addr, iebuf, ielen, 0); |
| } |
| |
| static int |
| bsd_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len, |
| int encrypt, const u8 *own_addr, u32 flags) |
| { |
| struct bsd_driver_data *drv = priv; |
| |
| wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", data, data_len); |
| |
| return l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, data, |
| data_len); |
| } |
| |
| static int |
| bsd_set_freq(void *priv, struct hostapd_freq_params *freq) |
| { |
| struct bsd_driver_data *drv = priv; |
| #ifdef SIOCS80211CHANNEL |
| struct ieee80211chanreq creq; |
| #endif /* SIOCS80211CHANNEL */ |
| u32 mode; |
| int channel = freq->channel; |
| |
| if (channel < 14) { |
| mode = |
| #ifdef CONFIG_IEEE80211N |
| freq->ht_enabled ? IFM_IEEE80211_11NG : |
| #endif /* CONFIG_IEEE80211N */ |
| IFM_IEEE80211_11G; |
| } else if (channel == 14) { |
| mode = IFM_IEEE80211_11B; |
| } else { |
| mode = |
| #ifdef CONFIG_IEEE80211N |
| freq->ht_enabled ? IFM_IEEE80211_11NA : |
| #endif /* CONFIG_IEEE80211N */ |
| IFM_IEEE80211_11A; |
| } |
| if (bsd_set_mediaopt(drv, IFM_MMASK, mode) < 0) { |
| wpa_printf(MSG_ERROR, "%s: failed to set modulation mode", |
| __func__); |
| return -1; |
| } |
| |
| #ifdef SIOCS80211CHANNEL |
| os_memset(&creq, 0, sizeof(creq)); |
| os_strlcpy(creq.i_name, drv->ifname, sizeof(creq.i_name)); |
| creq.i_channel = (u_int16_t)channel; |
| return ioctl(drv->sock, SIOCS80211CHANNEL, &creq); |
| #else /* SIOCS80211CHANNEL */ |
| return set80211param(priv, IEEE80211_IOC_CHANNEL, channel); |
| #endif /* SIOCS80211CHANNEL */ |
| } |
| |
| static int |
| bsd_set_opt_ie(void *priv, const u8 *ie, size_t ie_len) |
| { |
| #ifdef IEEE80211_IOC_APPIE |
| wpa_printf(MSG_DEBUG, "%s: set WPA+RSN ie (len %lu)", __func__, |
| (unsigned long)ie_len); |
| return bsd_set80211(priv, IEEE80211_IOC_APPIE, IEEE80211_APPIE_WPA, |
| ie, ie_len); |
| #endif /* IEEE80211_IOC_APPIE */ |
| return 0; |
| } |
| |
| static int |
| rtbuf_len(void) |
| { |
| size_t len; |
| |
| int mib[6] = {CTL_NET, AF_ROUTE, 0, AF_INET, NET_RT_DUMP, 0}; |
| |
| if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) { |
| wpa_printf(MSG_WARNING, "%s failed: %s\n", __func__, |
| strerror(errno)); |
| len = 2048; |
| } |
| |
| return len; |
| } |
| |
| #ifdef HOSTAPD |
| |
| /* |
| * Avoid conflicts with hostapd definitions by undefining couple of defines |
| * from net80211 header files. |
| */ |
| #undef RSN_VERSION |
| #undef WPA_VERSION |
| #undef WPA_OUI_TYPE |
| |
| static int bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, |
| int reason_code); |
| |
| 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; |
| } |
| |
| static int |
| bsd_set_privacy(void *priv, int enabled) |
| { |
| wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled); |
| |
| return set80211param(priv, IEEE80211_IOC_PRIVACY, enabled); |
| } |
| |
| static int |
| bsd_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx, |
| u8 *seq) |
| { |
| 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(priv, 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, NULL, allsta, IEEE80211_REASON_AUTH_LEAVE); |
| } |
| |
| |
| static int |
| bsd_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data, |
| const u8 *addr) |
| { |
| struct ieee80211req_sta_stats stats; |
| |
| memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN); |
| if (get80211var(priv, 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_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, int reason_code) |
| { |
| return bsd_send_mlme_param(priv, IEEE80211_MLME_DEAUTH, reason_code, |
| addr); |
| } |
| |
| static int |
| bsd_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr, |
| int reason_code) |
| { |
| return bsd_send_mlme_param(priv, IEEE80211_MLME_DISASSOC, reason_code, |
| addr); |
| } |
| |
| static void |
| bsd_wireless_event_receive(int sock, void *ctx, void *sock_ctx) |
| { |
| struct bsd_driver_data *drv = ctx; |
| char *buf; |
| 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, len; |
| union wpa_event_data data; |
| |
| len = rtbuf_len(); |
| |
| buf = os_malloc(len); |
| if (buf == NULL) { |
| wpa_printf(MSG_ERROR, "%s os_malloc() failed\n", __func__); |
| return; |
| } |
| |
| n = read(sock, buf, len); |
| if (n < 0) { |
| if (errno != EINTR && errno != EAGAIN) |
| wpa_printf(MSG_ERROR, "%s read() failed: %s\n", |
| __func__, strerror(errno)); |
| os_free(buf); |
| return; |
| } |
| |
| rtm = (struct rt_msghdr *) buf; |
| if (rtm->rtm_version != RTM_VERSION) { |
| wpa_printf(MSG_DEBUG, "Invalid routing message version=%d", |
| rtm->rtm_version); |
| os_free(buf); |
| 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]; |
| drv_event_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, drv->hapd, 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)); |
| os_memset(&data, 0, sizeof(data)); |
| data.michael_mic_failure.unicast = 1; |
| data.michael_mic_failure.src = mic->iev_src; |
| wpa_supplicant_event(drv->hapd, |
| EVENT_MICHAEL_MIC_FAILURE, &data); |
| break; |
| } |
| break; |
| } |
| os_free(buf); |
| } |
| |
| static void |
| handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len) |
| { |
| struct bsd_driver_data *drv = ctx; |
| drv_event_eapol_rx(drv->hapd, src_addr, buf, len); |
| } |
| |
| static void * |
| bsd_init(struct hostapd_data *hapd, struct wpa_init_params *params) |
| { |
| 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->sock = socket(PF_INET, SOCK_DGRAM, 0); |
| if (drv->sock < 0) { |
| perror("socket[PF_INET,SOCK_DGRAM]"); |
| goto bad; |
| } |
| os_strlcpy(drv->ifname, params->ifname, sizeof(drv->ifname)); |
| |
| drv->sock_xmit = l2_packet_init(drv->ifname, NULL, ETH_P_EAPOL, |
| handle_read, drv, 0); |
| if (drv->sock_xmit == NULL) |
| goto bad; |
| if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr)) |
| goto bad; |
| |
| /* mark down during setup */ |
| if (bsd_ctrl_iface(drv, 0) < 0) |
| goto bad; |
| |
| drv->route = socket(PF_ROUTE, SOCK_RAW, 0); |
| if (drv->route < 0) { |
| perror("socket(PF_ROUTE,SOCK_RAW)"); |
| goto bad; |
| } |
| eloop_register_read_sock(drv->route, bsd_wireless_event_receive, drv, |
| NULL); |
| |
| if (bsd_set_mediaopt(drv, IFM_OMASK, IFM_IEEE80211_HOSTAP) < 0) { |
| wpa_printf(MSG_ERROR, "%s: failed to set operation mode", |
| __func__); |
| goto bad; |
| } |
| |
| return drv; |
| bad: |
| if (drv->sock_xmit != NULL) |
| l2_packet_deinit(drv->sock_xmit); |
| if (drv->sock >= 0) |
| close(drv->sock); |
| if (drv != NULL) |
| os_free(drv); |
| return NULL; |
| } |
| |
| |
| static void |
| bsd_deinit(void *priv) |
| { |
| struct bsd_driver_data *drv = priv; |
| |
| if (drv->route >= 0) { |
| eloop_unregister_read_sock(drv->route); |
| close(drv->route); |
| } |
| bsd_ctrl_iface(drv, 0); |
| if (drv->sock >= 0) |
| close(drv->sock); |
| if (drv->sock_xmit != NULL) |
| l2_packet_deinit(drv->sock_xmit); |
| os_free(drv); |
| } |
| |
| #else /* HOSTAPD */ |
| |
| static int |
| get80211param(struct bsd_driver_data *drv, int op) |
| { |
| struct ieee80211req ireq; |
| |
| if (bsd_get80211(drv, &ireq, op, NULL, 0) < 0) |
| return -1; |
| return ireq.i_val; |
| } |
| |
| static int |
| wpa_driver_bsd_get_bssid(void *priv, u8 *bssid) |
| { |
| struct bsd_driver_data *drv = priv; |
| #ifdef SIOCG80211BSSID |
| struct ieee80211_bssid bs; |
| |
| os_strlcpy(bs.i_name, drv->ifname, sizeof(bs.i_name)); |
| if (ioctl(drv->sock, SIOCG80211BSSID, &bs) < 0) |
| return -1; |
| os_memcpy(bssid, bs.i_bssid, sizeof(bs.i_bssid)); |
| return 0; |
| #else |
| return get80211var(drv, IEEE80211_IOC_BSSID, |
| bssid, IEEE80211_ADDR_LEN) < 0 ? -1 : 0; |
| #endif |
| } |
| |
| static int |
| wpa_driver_bsd_get_ssid(void *priv, u8 *ssid) |
| { |
| struct bsd_driver_data *drv = priv; |
| return bsd_get_ssid(drv, ssid, 0); |
| } |
| |
| static int |
| wpa_driver_bsd_set_wpa_ie(struct bsd_driver_data *drv, const u8 *wpa_ie, |
| size_t wpa_ie_len) |
| { |
| #ifdef IEEE80211_IOC_APPIE |
| return bsd_set_opt_ie(drv, wpa_ie, wpa_ie_len); |
| #else /* IEEE80211_IOC_APPIE */ |
| return set80211var(drv, IEEE80211_IOC_OPTIE, wpa_ie, wpa_ie_len); |
| #endif /* IEEE80211_IOC_APPIE */ |
| } |
| |
| static int |
| wpa_driver_bsd_set_wpa_internal(void *priv, int wpa, int privacy) |
| { |
| int ret = 0; |
| |
| wpa_printf(MSG_DEBUG, "%s: wpa=%d privacy=%d", |
| __FUNCTION__, wpa, privacy); |
| |
| if (!wpa && wpa_driver_bsd_set_wpa_ie(priv, NULL, 0) < 0) |
| ret = -1; |
| if (set80211param(priv, IEEE80211_IOC_PRIVACY, privacy) < 0) |
| ret = -1; |
| if (set80211param(priv, 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_set_countermeasures(void *priv, int enabled) |
| { |
| wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled); |
| return set80211param(priv, IEEE80211_IOC_COUNTERMEASURES, enabled); |
| } |
| |
| |
| static int |
| wpa_driver_bsd_set_drop_unencrypted(void *priv, int enabled) |
| { |
| wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled); |
| return set80211param(priv, IEEE80211_IOC_DROPUNENCRYPTED, enabled); |
| } |
| |
| static int |
| wpa_driver_bsd_deauthenticate(void *priv, const u8 *addr, int reason_code) |
| { |
| return bsd_send_mlme_param(priv, IEEE80211_MLME_DEAUTH, reason_code, |
| addr); |
| } |
| |
| static int |
| wpa_driver_bsd_set_auth_alg(void *priv, int auth_alg) |
| { |
| int authmode; |
| |
| if ((auth_alg & WPA_AUTH_ALG_OPEN) && |
| (auth_alg & WPA_AUTH_ALG_SHARED)) |
| authmode = IEEE80211_AUTH_AUTO; |
| else if (auth_alg & WPA_AUTH_ALG_SHARED) |
| authmode = IEEE80211_AUTH_SHARED; |
| else |
| authmode = IEEE80211_AUTH_OPEN; |
| |
| return set80211param(priv, IEEE80211_IOC_AUTHMODE, authmode); |
| } |
| |
| static void |
| handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len) |
| { |
| struct bsd_driver_data *drv = ctx; |
| |
| drv_event_eapol_rx(drv->ctx, src_addr, buf, len); |
| } |
| |
| static int |
| wpa_driver_bsd_associate(void *priv, struct wpa_driver_associate_params *params) |
| { |
| struct bsd_driver_data *drv = priv; |
| struct ieee80211req_mlme mlme; |
| u32 mode; |
| int privacy; |
| int ret = 0; |
| |
| wpa_printf(MSG_DEBUG, |
| "%s: ssid '%.*s' wpa ie len %u pairwise %u group %u key mgmt %u" |
| , __func__ |
| , (unsigned int) params->ssid_len, params->ssid |
| , (unsigned int) params->wpa_ie_len |
| , params->pairwise_suite |
| , params->group_suite |
| , params->key_mgmt_suite |
| ); |
| |
| switch (params->mode) { |
| case IEEE80211_MODE_INFRA: |
| mode = 0 /* STA */; |
| break; |
| case IEEE80211_MODE_IBSS: |
| mode = IFM_IEEE80211_IBSS; |
| break; |
| case IEEE80211_MODE_AP: |
| mode = IFM_IEEE80211_HOSTAP; |
| break; |
| default: |
| wpa_printf(MSG_ERROR, "%s: unknown operation mode", __func__); |
| return -1; |
| } |
| if (bsd_set_mediaopt(drv, IFM_OMASK, mode) < 0) { |
| wpa_printf(MSG_ERROR, "%s: failed to set operation mode", |
| __func__); |
| return -1; |
| } |
| |
| if (params->mode == IEEE80211_MODE_AP) { |
| drv->sock_xmit = l2_packet_init(drv->ifname, NULL, ETH_P_EAPOL, |
| handle_read, drv, 0); |
| if (drv->sock_xmit == NULL) |
| return -1; |
| drv->is_ap = 1; |
| return 0; |
| } |
| |
| if (wpa_driver_bsd_set_drop_unencrypted(drv, params->drop_unencrypted) |
| < 0) |
| ret = -1; |
| if (wpa_driver_bsd_set_auth_alg(drv, params->auth_alg) < 0) |
| ret = -1; |
| /* 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 ret; |
| } |
| |
| static int |
| wpa_driver_bsd_scan(void *priv, struct wpa_driver_scan_params *params) |
| { |
| struct bsd_driver_data *drv = priv; |
| #ifdef IEEE80211_IOC_SCAN_MAX_SSID |
| struct ieee80211_scan_req sr; |
| int i; |
| #endif /* IEEE80211_IOC_SCAN_MAX_SSID */ |
| |
| if (bsd_set_mediaopt(drv, IFM_OMASK, 0 /* STA */) < 0) { |
| wpa_printf(MSG_ERROR, "%s: failed to set operation mode", |
| __func__); |
| return -1; |
| } |
| |
| if (set80211param(drv, IEEE80211_IOC_ROAMING, |
| IEEE80211_ROAMING_MANUAL) < 0) { |
| wpa_printf(MSG_ERROR, "%s: failed to set " |
| "wpa_supplicant-based roaming: %s", __func__, |
| strerror(errno)); |
| return -1; |
| } |
| |
| if (wpa_driver_bsd_set_wpa(drv, 1) < 0) { |
| wpa_printf(MSG_ERROR, "%s: failed to set wpa: %s", __func__, |
| strerror(errno)); |
| return -1; |
| } |
| |
| /* NB: interface must be marked UP to do a scan */ |
| if (bsd_ctrl_iface(drv, 1) < 0) |
| return -1; |
| |
| #ifdef IEEE80211_IOC_SCAN_MAX_SSID |
| os_memset(&sr, 0, sizeof(sr)); |
| sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE | |
| IEEE80211_IOC_SCAN_NOJOIN; |
| sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER; |
| if (params->num_ssids > 0) { |
| sr.sr_nssid = params->num_ssids; |
| #if 0 |
| /* Boundary check is done by upper layer */ |
| if (sr.sr_nssid > IEEE80211_IOC_SCAN_MAX_SSID) |
| sr.sr_nssid = IEEE80211_IOC_SCAN_MAX_SSID; |
| #endif |
| |
| /* NB: check scan cache first */ |
| sr.sr_flags |= IEEE80211_IOC_SCAN_CHECK; |
| } |
| for (i = 0; i < sr.sr_nssid; i++) { |
| sr.sr_ssid[i].len = params->ssids[i].ssid_len; |
| os_memcpy(sr.sr_ssid[i].ssid, params->ssids[i].ssid, |
| sr.sr_ssid[i].len); |
| } |
| |
| /* NB: net80211 delivers a scan complete event so no need to poll */ |
| return set80211var(drv, IEEE80211_IOC_SCAN_REQ, &sr, sizeof(sr)); |
| #else /* IEEE80211_IOC_SCAN_MAX_SSID */ |
| /* set desired ssid before scan */ |
| if (bsd_set_ssid(drv, params->ssids[0].ssid, |
| params->ssids[0].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); |
| #endif /* IEEE80211_IOC_SCAN_MAX_SSID */ |
| } |
| |
| static void |
| wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx) |
| { |
| struct bsd_driver_data *drv = sock_ctx; |
| char *buf; |
| struct if_announcemsghdr *ifan; |
| struct if_msghdr *ifm; |
| struct rt_msghdr *rtm; |
| union wpa_event_data event; |
| struct ieee80211_michael_event *mic; |
| struct ieee80211_leave_event *leave; |
| struct ieee80211_join_event *join; |
| int n, len; |
| |
| len = rtbuf_len(); |
| |
| buf = os_malloc(len); |
| if (buf == NULL) { |
| wpa_printf(MSG_ERROR, "%s os_malloc() failed\n", __func__); |
| return; |
| } |
| |
| n = read(sock, buf, len); |
| if (n < 0) { |
| if (errno != EINTR && errno != EAGAIN) |
| wpa_printf(MSG_ERROR, "%s read() failed: %s\n", |
| __func__, strerror(errno)); |
| os_free(buf); |
| return; |
| } |
| |
| rtm = (struct rt_msghdr *) buf; |
| if (rtm->rtm_version != RTM_VERSION) { |
| wpa_printf(MSG_DEBUG, "Invalid routing message version=%d", |
| rtm->rtm_version); |
| os_free(buf); |
| 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; |
| os_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: |
| os_free(buf); |
| 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: |
| if (drv->is_ap) |
| break; |
| wpa_supplicant_event(ctx, EVENT_ASSOC, NULL); |
| break; |
| case RTM_IEEE80211_DISASSOC: |
| if (drv->is_ap) |
| break; |
| wpa_supplicant_event(ctx, EVENT_DISASSOC, NULL); |
| break; |
| case RTM_IEEE80211_SCAN: |
| if (drv->is_ap) |
| break; |
| wpa_supplicant_event(ctx, EVENT_SCAN_RESULTS, NULL); |
| break; |
| case RTM_IEEE80211_LEAVE: |
| leave = (struct ieee80211_leave_event *) &ifan[1]; |
| drv_event_disassoc(ctx, 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, ctx, 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)); |
| |
| 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) { |
| os_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; |
| } |
| os_free(buf); |
| } |
| |
| static void |
| wpa_driver_bsd_add_scan_entry(struct wpa_scan_results *res, |
| struct ieee80211req_scan_result *sr) |
| { |
| struct wpa_scan_res *result, **tmp; |
| size_t extra_len; |
| u8 *pos; |
| |
| extra_len = 2 + sr->isr_ssid_len; |
| extra_len += 2 + sr->isr_nrates; |
| extra_len += 3; /* ERP IE */ |
| extra_len += sr->isr_ie_len; |
| |
| result = os_zalloc(sizeof(*result) + extra_len); |
| if (result == NULL) |
| return; |
| os_memcpy(result->bssid, sr->isr_bssid, ETH_ALEN); |
| result->freq = sr->isr_freq; |
| result->beacon_int = sr->isr_intval; |
| result->caps = sr->isr_capinfo; |
| result->qual = sr->isr_rssi; |
| result->noise = sr->isr_noise; |
| |
| pos = (u8 *)(result + 1); |
| |
| *pos++ = WLAN_EID_SSID; |
| *pos++ = sr->isr_ssid_len; |
| os_memcpy(pos, sr + 1, sr->isr_ssid_len); |
| pos += sr->isr_ssid_len; |
| |
| /* |
| * Deal all rates as supported rate. |
| * Because net80211 doesn't report extended supported rate or not. |
| */ |
| *pos++ = WLAN_EID_SUPP_RATES; |
| *pos++ = sr->isr_nrates; |
| os_memcpy(pos, sr->isr_rates, sr->isr_nrates); |
| pos += sr->isr_nrates; |
| |
| *pos++ = WLAN_EID_ERP_INFO; |
| *pos++ = 1; |
| *pos++ = sr->isr_erp; |
| |
| os_memcpy(pos, (u8 *)(sr + 1) + sr->isr_ssid_len, sr->isr_ie_len); |
| pos += sr->isr_ie_len; |
| |
| result->ie_len = pos - (u8 *)(result + 1); |
| |
| tmp = os_realloc_array(res->res, res->num + 1, |
| sizeof(struct wpa_scan_res *)); |
| if (tmp == NULL) { |
| os_free(result); |
| return; |
| } |
| tmp[res->num++] = result; |
| res->res = tmp; |
| } |
| |
| struct wpa_scan_results * |
| wpa_driver_bsd_get_scan_results2(void *priv) |
| { |
| struct ieee80211req_scan_result *sr; |
| struct wpa_scan_results *res; |
| int len, rest; |
| uint8_t buf[24*1024], *pos; |
| |
| len = get80211var(priv, IEEE80211_IOC_SCAN_RESULTS, buf, 24*1024); |
| if (len < 0) |
| return NULL; |
| |
| res = os_zalloc(sizeof(*res)); |
| if (res == NULL) |
| return NULL; |
| |
| pos = buf; |
| rest = len; |
| while (rest >= sizeof(struct ieee80211req_scan_result)) { |
| sr = (struct ieee80211req_scan_result *)pos; |
| wpa_driver_bsd_add_scan_entry(res, sr); |
| pos += sr->isr_len; |
| rest -= sr->isr_len; |
| } |
| |
| wpa_printf(MSG_DEBUG, "Received %d bytes of scan results (%lu BSSes)", |
| len, (unsigned long)res->num); |
| |
| return res; |
| } |
| |
| static int wpa_driver_bsd_capa(struct bsd_driver_data *drv) |
| { |
| #ifdef IEEE80211_IOC_DEVCAPS |
| /* kernel definitions copied from net80211/ieee80211_var.h */ |
| #define IEEE80211_CIPHER_WEP 0 |
| #define IEEE80211_CIPHER_TKIP 1 |
| #define IEEE80211_CIPHER_AES_CCM 3 |
| #define IEEE80211_CRYPTO_WEP (1<<IEEE80211_CIPHER_WEP) |
| #define IEEE80211_CRYPTO_TKIP (1<<IEEE80211_CIPHER_TKIP) |
| #define IEEE80211_CRYPTO_AES_CCM (1<<IEEE80211_CIPHER_AES_CCM) |
| #define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */ |
| #define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */ |
| #define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */ |
| struct ieee80211_devcaps_req devcaps; |
| |
| if (get80211var(drv, IEEE80211_IOC_DEVCAPS, &devcaps, |
| sizeof(devcaps)) < 0) { |
| wpa_printf(MSG_ERROR, "failed to IEEE80211_IOC_DEVCAPS: %s", |
| strerror(errno)); |
| return -1; |
| } |
| |
| wpa_printf(MSG_DEBUG, "%s: drivercaps=0x%08x,cryptocaps=0x%08x", |
| __func__, devcaps.dc_drivercaps, devcaps.dc_cryptocaps); |
| |
| if (devcaps.dc_drivercaps & IEEE80211_C_WPA1) |
| drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA | |
| WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK; |
| if (devcaps.dc_drivercaps & IEEE80211_C_WPA2) |
| drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA2 | |
| WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK; |
| |
| if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_WEP) |
| drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40 | |
| WPA_DRIVER_CAPA_ENC_WEP104; |
| if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_TKIP) |
| drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP; |
| if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_AES_CCM) |
| drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP; |
| |
| if (devcaps.dc_drivercaps & IEEE80211_C_HOSTAP) |
| drv->capa.flags |= WPA_DRIVER_FLAGS_AP; |
| #undef IEEE80211_CIPHER_WEP |
| #undef IEEE80211_CIPHER_TKIP |
| #undef IEEE80211_CIPHER_AES_CCM |
| #undef IEEE80211_CRYPTO_WEP |
| #undef IEEE80211_CRYPTO_TKIP |
| #undef IEEE80211_CRYPTO_AES_CCM |
| #undef IEEE80211_C_HOSTAP |
| #undef IEEE80211_C_WPA1 |
| #undef IEEE80211_C_WPA2 |
| #else /* IEEE80211_IOC_DEVCAPS */ |
| /* For now, assume TKIP, CCMP, WPA, WPA2 are supported */ |
| drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA | |
| WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK | |
| WPA_DRIVER_CAPA_KEY_MGMT_WPA2 | |
| WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK; |
| drv->capa.enc = WPA_DRIVER_CAPA_ENC_WEP40 | |
| WPA_DRIVER_CAPA_ENC_WEP104 | |
| WPA_DRIVER_CAPA_ENC_TKIP | |
| WPA_DRIVER_CAPA_ENC_CCMP; |
| drv->capa.flags |= WPA_DRIVER_FLAGS_AP; |
| #endif /* IEEE80211_IOC_DEVCAPS */ |
| #ifdef IEEE80211_IOC_SCAN_MAX_SSID |
| drv->capa.max_scan_ssids = IEEE80211_IOC_SCAN_MAX_SSID; |
| #else /* IEEE80211_IOC_SCAN_MAX_SSID */ |
| drv->capa.max_scan_ssids = 1; |
| #endif /* IEEE80211_IOC_SCAN_MAX_SSID */ |
| drv->capa.auth = WPA_DRIVER_AUTH_OPEN | |
| WPA_DRIVER_AUTH_SHARED | |
| WPA_DRIVER_AUTH_LEAP; |
| return 0; |
| } |
| |
| static void * |
| wpa_driver_bsd_init(void *ctx, const char *ifname) |
| { |
| #define GETPARAM(drv, param, v) \ |
| (((v) = get80211param(drv, param)) != -1) |
| struct bsd_driver_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)); |
| |
| /* Down interface during setup. */ |
| if (bsd_ctrl_iface(drv, 0) < 0) |
| goto fail; |
| |
| 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 (wpa_driver_bsd_capa(drv)) |
| 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 bsd_driver_data *drv = priv; |
| |
| wpa_driver_bsd_set_wpa(drv, 0); |
| eloop_unregister_read_sock(drv->route); |
| |
| /* NB: mark interface down */ |
| bsd_ctrl_iface(drv, 0); |
| |
| 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__); |
| |
| if (drv->sock_xmit != NULL) |
| l2_packet_deinit(drv->sock_xmit); |
| (void) close(drv->route); /* ioctl socket */ |
| (void) close(drv->sock); /* event socket */ |
| os_free(drv); |
| } |
| |
| static int |
| wpa_driver_bsd_get_capa(void *priv, struct wpa_driver_capa *capa) |
| { |
| struct bsd_driver_data *drv = priv; |
| |
| os_memcpy(capa, &drv->capa, sizeof(*capa)); |
| return 0; |
| } |
| #endif /* HOSTAPD */ |
| |
| |
| const struct wpa_driver_ops wpa_driver_bsd_ops = { |
| .name = "bsd", |
| .desc = "BSD 802.11 support", |
| #ifdef HOSTAPD |
| .hapd_init = bsd_init, |
| .hapd_deinit = bsd_deinit, |
| .set_privacy = bsd_set_privacy, |
| .get_seqnum = bsd_get_seqnum, |
| .flush = bsd_flush, |
| .read_sta_data = bsd_read_sta_driver_data, |
| .sta_disassoc = bsd_sta_disassoc, |
| .sta_deauth = bsd_sta_deauth, |
| #else /* HOSTAPD */ |
| .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_countermeasures = wpa_driver_bsd_set_countermeasures, |
| .scan2 = wpa_driver_bsd_scan, |
| .get_scan_results2 = wpa_driver_bsd_get_scan_results2, |
| .deauthenticate = wpa_driver_bsd_deauthenticate, |
| .associate = wpa_driver_bsd_associate, |
| .get_capa = wpa_driver_bsd_get_capa, |
| #endif /* HOSTAPD */ |
| .set_freq = bsd_set_freq, |
| .set_key = bsd_set_key, |
| .set_ieee8021x = bsd_set_ieee8021x, |
| .hapd_set_ssid = bsd_set_ssid, |
| .hapd_get_ssid = bsd_get_ssid, |
| .hapd_send_eapol = bsd_send_eapol, |
| .sta_set_flags = bsd_set_sta_authorized, |
| .set_generic_elem = bsd_set_opt_ie, |
| }; |