From b6c8df695cb236c66a41ac1fe954698cc4286444 Mon Sep 17 00:00:00 2001 From: Jouni Malinen Date: Sun, 13 Nov 2011 11:13:13 +0200 Subject: Remove station functionality from hostap and madwifi driver wrappers This has been obsoleted by the more generic Linux WEXT (driver_wext.c) support. The hostap and madwifi driver wrappers can now be used only with hostapd. The old station interface remains available in releases up to 1.x. Signed-hostap: Jouni Malinen --- src/drivers/driver_madwifi.c | 558 ------------------------------------------- 1 file changed, 558 deletions(-) (limited to 'src/drivers/driver_madwifi.c') diff --git a/src/drivers/driver_madwifi.c b/src/drivers/driver_madwifi.c index 0a855e7..321a9cc 100644 --- a/src/drivers/driver_madwifi.c +++ b/src/drivers/driver_madwifi.c @@ -71,8 +71,6 @@ #define WPA_KEY_RSC_LEN 8 -#ifdef HOSTAPD - #include "priv_netlink.h" #include "netlink.h" #include "linux_ioctl.h" @@ -1294,554 +1292,11 @@ madwifi_commit(void *priv) return linux_set_iface_flags(drv->ioctl_sock, drv->iface, 1); } -#else /* HOSTAPD */ - -struct wpa_driver_madwifi_data { - void *wext; /* private data for driver_wext */ - void *ctx; - char ifname[IFNAMSIZ + 1]; - int sock; -}; - -static int wpa_driver_madwifi_set_auth_alg(void *priv, int auth_alg); -static int wpa_driver_madwifi_set_probe_req_ie(void *priv, const u8 *ies, - size_t ies_len); - - -static int -set80211priv(struct wpa_driver_madwifi_data *drv, int op, void *data, int len, - int show_err) -{ - struct iwreq iwr; - - os_memset(&iwr, 0, sizeof(iwr)); - os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ); - if (len < IFNAMSIZ && - op != IEEE80211_IOCTL_SET_APPIEBUF) { - /* - * Argument data fits inline; put it there. - */ - os_memcpy(iwr.u.name, data, len); - } else { - /* - * Argument data too big for inline transfer; setup a - * parameter block instead; the kernel will transfer - * the data for the driver. - */ - iwr.u.data.pointer = data; - iwr.u.data.length = len; - } - - if (ioctl(drv->sock, op, &iwr) < 0) { - if (show_err) { -#ifdef MADWIFI_NG - int first = IEEE80211_IOCTL_SETPARAM; - int last = IEEE80211_IOCTL_KICKMAC; - static const char *opnames[] = { - "ioctl[IEEE80211_IOCTL_SETPARAM]", - "ioctl[IEEE80211_IOCTL_GETPARAM]", - "ioctl[IEEE80211_IOCTL_SETMODE]", - "ioctl[IEEE80211_IOCTL_GETMODE]", - "ioctl[IEEE80211_IOCTL_SETWMMPARAMS]", - "ioctl[IEEE80211_IOCTL_GETWMMPARAMS]", - "ioctl[IEEE80211_IOCTL_SETCHANLIST]", - "ioctl[IEEE80211_IOCTL_GETCHANLIST]", - "ioctl[IEEE80211_IOCTL_CHANSWITCH]", - NULL, - "ioctl[IEEE80211_IOCTL_SET_APPIEBUF]", - "ioctl[IEEE80211_IOCTL_GETSCANRESULTS]", - NULL, - "ioctl[IEEE80211_IOCTL_GETCHANINFO]", - "ioctl[IEEE80211_IOCTL_SETOPTIE]", - "ioctl[IEEE80211_IOCTL_GETOPTIE]", - "ioctl[IEEE80211_IOCTL_SETMLME]", - NULL, - "ioctl[IEEE80211_IOCTL_SETKEY]", - NULL, - "ioctl[IEEE80211_IOCTL_DELKEY]", - NULL, - "ioctl[IEEE80211_IOCTL_ADDMAC]", - NULL, - "ioctl[IEEE80211_IOCTL_DELMAC]", - NULL, - "ioctl[IEEE80211_IOCTL_WDSMAC]", - NULL, - "ioctl[IEEE80211_IOCTL_WDSDELMAC]", - NULL, - "ioctl[IEEE80211_IOCTL_KICKMAC]", - }; -#else /* MADWIFI_NG */ - int first = IEEE80211_IOCTL_SETPARAM; - int last = IEEE80211_IOCTL_CHANLIST; - static const char *opnames[] = { - "ioctl[IEEE80211_IOCTL_SETPARAM]", - "ioctl[IEEE80211_IOCTL_GETPARAM]", - "ioctl[IEEE80211_IOCTL_SETKEY]", - "ioctl[IEEE80211_IOCTL_GETKEY]", - "ioctl[IEEE80211_IOCTL_DELKEY]", - NULL, - "ioctl[IEEE80211_IOCTL_SETMLME]", - NULL, - "ioctl[IEEE80211_IOCTL_SETOPTIE]", - "ioctl[IEEE80211_IOCTL_GETOPTIE]", - "ioctl[IEEE80211_IOCTL_ADDMAC]", - NULL, - "ioctl[IEEE80211_IOCTL_DELMAC]", - NULL, - "ioctl[IEEE80211_IOCTL_CHANLIST]", - }; -#endif /* MADWIFI_NG */ - int idx = op - first; - if (first <= op && op <= last && - idx < (int) (sizeof(opnames) / sizeof(opnames[0])) - && opnames[idx]) - perror(opnames[idx]); - else - perror("ioctl[unknown???]"); - } - return -1; - } - return 0; -} - -static int -set80211param(struct wpa_driver_madwifi_data *drv, int op, int arg, - int show_err) -{ - struct iwreq iwr; - - os_memset(&iwr, 0, sizeof(iwr)); - os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ); - iwr.u.mode = op; - os_memcpy(iwr.u.name+sizeof(u32), &arg, sizeof(arg)); - - if (ioctl(drv->sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) { - if (show_err) - perror("ioctl[IEEE80211_IOCTL_SETPARAM]"); - return -1; - } - return 0; -} - -static int -wpa_driver_madwifi_set_wpa_ie(struct wpa_driver_madwifi_data *drv, - const u8 *wpa_ie, size_t wpa_ie_len) -{ - struct iwreq iwr; - - os_memset(&iwr, 0, sizeof(iwr)); - os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ); - /* NB: SETOPTIE is not fixed-size so must not be inlined */ - iwr.u.data.pointer = (void *) wpa_ie; - iwr.u.data.length = wpa_ie_len; - - if (ioctl(drv->sock, IEEE80211_IOCTL_SETOPTIE, &iwr) < 0) { - perror("ioctl[IEEE80211_IOCTL_SETOPTIE]"); - return -1; - } - return 0; -} - -static int -wpa_driver_madwifi_del_key(struct wpa_driver_madwifi_data *drv, int key_idx, - const u8 *addr) -{ - struct ieee80211req_del_key wk; - - wpa_printf(MSG_DEBUG, "%s: keyidx=%d", __FUNCTION__, key_idx); - os_memset(&wk, 0, sizeof(wk)); - wk.idk_keyix = key_idx; - if (addr != NULL) - os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN); - - return set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk), 1); -} - -static int -wpa_driver_madwifi_set_key(const char *ifname, void *priv, 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 wpa_driver_madwifi_data *drv = priv; - struct ieee80211req_key wk; - char *alg_name; - u_int8_t cipher; - - if (alg == WPA_ALG_NONE) - return wpa_driver_madwifi_del_key(drv, key_idx, addr); - - switch (alg) { - case WPA_ALG_WEP: - if (addr == NULL || os_memcmp(addr, "\xff\xff\xff\xff\xff\xff", - ETH_ALEN) == 0) { - /* - * madwifi did not seem to like static WEP key - * configuration with IEEE80211_IOCTL_SETKEY, so use - * Linux wireless extensions ioctl for this. - */ - return wpa_driver_wext_set_key(ifname, drv->wext, alg, - addr, key_idx, set_tx, - seq, seq_len, - key, key_len); - } - 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", - __FUNCTION__, alg); - 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 > sizeof(u_int64_t)) { - wpa_printf(MSG_DEBUG, "%s: seq_len %lu too big", - __FUNCTION__, (unsigned long) seq_len); - return -2; - } - if (key_len > sizeof(wk.ik_keydata)) { - wpa_printf(MSG_DEBUG, "%s: key length %lu too big", - __FUNCTION__, (unsigned long) key_len); - return -3; - } - - os_memset(&wk, 0, sizeof(wk)); - wk.ik_type = cipher; - wk.ik_flags = IEEE80211_KEY_RECV; - if (addr == NULL || - os_memcmp(addr, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0) - wk.ik_flags |= IEEE80211_KEY_GROUP; - if (set_tx) { - wk.ik_flags |= IEEE80211_KEY_XMIT | IEEE80211_KEY_DEFAULT; - os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN); - } else - os_memset(wk.ik_macaddr, 0, IEEE80211_ADDR_LEN); - wk.ik_keyix = key_idx; - wk.ik_keylen = key_len; -#ifdef WORDS_BIGENDIAN - if (seq) { - size_t i; - u8 tmp[WPA_KEY_RSC_LEN]; - os_memset(tmp, 0, sizeof(tmp)); - for (i = 0; i < seq_len; i++) - tmp[WPA_KEY_RSC_LEN - i - 1] = seq[i]; - os_memcpy(&wk.ik_keyrsc, tmp, WPA_KEY_RSC_LEN); - } -#else /* WORDS_BIGENDIAN */ - if (seq) - os_memcpy(&wk.ik_keyrsc, seq, seq_len); -#endif /* WORDS_BIGENDIAN */ - os_memcpy(wk.ik_keydata, key, key_len); - - return set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk), 1); -} - -static int -wpa_driver_madwifi_set_countermeasures(void *priv, int enabled) -{ - struct wpa_driver_madwifi_data *drv = priv; - wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled); - return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled, 1); -} - -static int -wpa_driver_madwifi_deauthenticate(void *priv, const u8 *addr, int reason_code) -{ - struct wpa_driver_madwifi_data *drv = priv; - struct ieee80211req_mlme mlme; - - wpa_printf(MSG_DEBUG, "%s", __FUNCTION__); - mlme.im_op = IEEE80211_MLME_DEAUTH; - mlme.im_reason = reason_code; - os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); - return set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme), 1); -} - -static int -wpa_driver_madwifi_disassociate(void *priv, const u8 *addr, int reason_code) -{ - struct wpa_driver_madwifi_data *drv = priv; - struct ieee80211req_mlme mlme; - - wpa_printf(MSG_DEBUG, "%s", __FUNCTION__); - mlme.im_op = IEEE80211_MLME_DISASSOC; - mlme.im_reason = reason_code; - os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); - return set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme), 1); -} - -static int -wpa_driver_madwifi_associate(void *priv, - struct wpa_driver_associate_params *params) -{ - struct wpa_driver_madwifi_data *drv = priv; - struct ieee80211req_mlme mlme; - int ret = 0, privacy = 1; - - wpa_printf(MSG_DEBUG, "%s", __FUNCTION__); - - if (set80211param(drv, IEEE80211_PARAM_DROPUNENCRYPTED, - params->drop_unencrypted, 1) < 0) - ret = -1; - if (wpa_driver_madwifi_set_auth_alg(drv, params->auth_alg) < 0) - ret = -1; - - /* - * NB: Don't need to set the freq or cipher-related state as - * this is implied by the bssid which is used to locate - * the scanned node state which holds it. The ssid is - * needed to disambiguate an AP that broadcasts multiple - * ssid's but uses the same bssid. - */ - /* XXX error handling is wrong but unclear what to do... */ - if (wpa_driver_madwifi_set_wpa_ie(drv, params->wpa_ie, - params->wpa_ie_len) < 0) - ret = -1; - - if (params->pairwise_suite == CIPHER_NONE && - params->group_suite == CIPHER_NONE && - params->key_mgmt_suite == KEY_MGMT_NONE && - params->wpa_ie_len == 0) - privacy = 0; - - if (set80211param(drv, IEEE80211_PARAM_PRIVACY, privacy, 1) < 0) - ret = -1; - - if (params->wpa_ie_len && - set80211param(drv, IEEE80211_PARAM_WPA, - params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1, 1) < 0) - ret = -1; - - if (params->bssid == NULL) { - /* ap_scan=2 mode - driver takes care of AP selection and - * roaming */ - /* FIX: this does not seem to work; would probably need to - * change something in the driver */ - if (set80211param(drv, IEEE80211_PARAM_ROAMING, 0, 1) < 0) - ret = -1; - - if (wpa_driver_wext_set_ssid(drv->wext, params->ssid, - params->ssid_len) < 0) - ret = -1; - } else { - if (set80211param(drv, IEEE80211_PARAM_ROAMING, 2, 1) < 0) - ret = -1; - if (wpa_driver_wext_set_ssid(drv->wext, params->ssid, - params->ssid_len) < 0) - ret = -1; - os_memset(&mlme, 0, sizeof(mlme)); - mlme.im_op = IEEE80211_MLME_ASSOC; - os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN); - if (set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, - sizeof(mlme), 1) < 0) { - wpa_printf(MSG_DEBUG, "%s: SETMLME[ASSOC] failed", - __func__); - ret = -1; - } - } - - return ret; -} - -static int -wpa_driver_madwifi_set_auth_alg(void *priv, int auth_alg) -{ - struct wpa_driver_madwifi_data *drv = priv; - 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(drv, IEEE80211_PARAM_AUTHMODE, authmode, 1); -} - -static int -wpa_driver_madwifi_scan(void *priv, struct wpa_driver_scan_params *params) -{ - struct wpa_driver_madwifi_data *drv = priv; - struct iwreq iwr; - int ret = 0; - const u8 *ssid = params->ssids[0].ssid; - size_t ssid_len = params->ssids[0].ssid_len; - - wpa_driver_madwifi_set_probe_req_ie(drv, params->extra_ies, - params->extra_ies_len); - - os_memset(&iwr, 0, sizeof(iwr)); - os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ); - - /* set desired ssid before scan */ - /* FIX: scan should not break the current association, so using - * set_ssid may not be the best way of doing this.. */ - if (wpa_driver_wext_set_ssid(drv->wext, ssid, ssid_len) < 0) - ret = -1; - - if (ioctl(drv->sock, SIOCSIWSCAN, &iwr) < 0) { - perror("ioctl[SIOCSIWSCAN]"); - ret = -1; - } - - /* - * madwifi delivers a scan complete event so no need to poll, but - * register a backup timeout anyway to make sure that we recover even - * if the driver does not send this event for any reason. This timeout - * will only be used if the event is not delivered (event handler will - * cancel the timeout). - */ - eloop_cancel_timeout(wpa_driver_wext_scan_timeout, drv->wext, - drv->ctx); - eloop_register_timeout(30, 0, wpa_driver_wext_scan_timeout, drv->wext, - drv->ctx); - - return ret; -} - -static int wpa_driver_madwifi_get_bssid(void *priv, u8 *bssid) -{ - struct wpa_driver_madwifi_data *drv = priv; - return wpa_driver_wext_get_bssid(drv->wext, bssid); -} - - -static int wpa_driver_madwifi_get_ssid(void *priv, u8 *ssid) -{ - struct wpa_driver_madwifi_data *drv = priv; - return wpa_driver_wext_get_ssid(drv->wext, ssid); -} - - -static struct wpa_scan_results * -wpa_driver_madwifi_get_scan_results(void *priv) -{ - struct wpa_driver_madwifi_data *drv = priv; - return wpa_driver_wext_get_scan_results(drv->wext); -} - - -static int wpa_driver_madwifi_set_operstate(void *priv, int state) -{ - struct wpa_driver_madwifi_data *drv = priv; - return wpa_driver_wext_set_operstate(drv->wext, state); -} - - -static int wpa_driver_madwifi_set_probe_req_ie(void *priv, const u8 *ies, - size_t ies_len) -{ - struct ieee80211req_getset_appiebuf *probe_req_ie; - int ret; - - probe_req_ie = os_malloc(sizeof(*probe_req_ie) + ies_len); - if (probe_req_ie == NULL) - return -1; - - probe_req_ie->app_frmtype = IEEE80211_APPIE_FRAME_PROBE_REQ; - probe_req_ie->app_buflen = ies_len; - os_memcpy(probe_req_ie->app_buf, ies, ies_len); - - ret = set80211priv(priv, IEEE80211_IOCTL_SET_APPIEBUF, probe_req_ie, - sizeof(struct ieee80211req_getset_appiebuf) + - ies_len, 1); - - os_free(probe_req_ie); - - return ret; -} - - -static void * wpa_driver_madwifi_init(void *ctx, const char *ifname) -{ - struct wpa_driver_madwifi_data *drv; - - drv = os_zalloc(sizeof(*drv)); - if (drv == NULL) - return NULL; - drv->wext = wpa_driver_wext_init(ctx, ifname); - if (drv->wext == NULL) - goto fail; - - drv->ctx = ctx; - os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname)); - drv->sock = socket(PF_INET, SOCK_DGRAM, 0); - if (drv->sock < 0) - goto fail2; - - if (set80211param(drv, IEEE80211_PARAM_ROAMING, 2, 1) < 0) { - wpa_printf(MSG_DEBUG, "%s: failed to set wpa_supplicant-based " - "roaming", __FUNCTION__); - goto fail3; - } - - if (set80211param(drv, IEEE80211_PARAM_WPA, 3, 1) < 0) { - wpa_printf(MSG_DEBUG, "%s: failed to enable WPA support", - __FUNCTION__); - goto fail3; - } - - return drv; - -fail3: - close(drv->sock); -fail2: - wpa_driver_wext_deinit(drv->wext); -fail: - os_free(drv); - return NULL; -} - - -static void wpa_driver_madwifi_deinit(void *priv) -{ - struct wpa_driver_madwifi_data *drv = priv; - - if (wpa_driver_madwifi_set_wpa_ie(drv, NULL, 0) < 0) { - wpa_printf(MSG_DEBUG, "%s: failed to clear WPA IE", - __FUNCTION__); - } - if (set80211param(drv, IEEE80211_PARAM_ROAMING, 0, 1) < 0) { - wpa_printf(MSG_DEBUG, "%s: failed to enable driver-based " - "roaming", __FUNCTION__); - } - if (set80211param(drv, IEEE80211_PARAM_PRIVACY, 0, 1) < 0) { - wpa_printf(MSG_DEBUG, "%s: failed to disable forced Privacy " - "flag", __FUNCTION__); - } - if (set80211param(drv, IEEE80211_PARAM_WPA, 0, 1) < 0) { - wpa_printf(MSG_DEBUG, "%s: failed to disable WPA", - __FUNCTION__); - } - - wpa_driver_wext_deinit(drv->wext); - - close(drv->sock); - os_free(drv); -} - -#endif /* HOSTAPD */ - const struct wpa_driver_ops wpa_driver_madwifi_ops = { .name = "madwifi", .desc = "MADWIFI 802.11 support (Atheros, etc.)", .set_key = wpa_driver_madwifi_set_key, -#ifdef HOSTAPD .hapd_init = madwifi_init, .hapd_deinit = madwifi_deinit, .set_ieee8021x = madwifi_set_ieee8021x, @@ -1861,17 +1316,4 @@ const struct wpa_driver_ops wpa_driver_madwifi_ops = { .commit = madwifi_commit, .set_ap_wps_ie = madwifi_set_ap_wps_ie, .set_freq = madwifi_set_freq, -#else /* HOSTAPD */ - .get_bssid = wpa_driver_madwifi_get_bssid, - .get_ssid = wpa_driver_madwifi_get_ssid, - .init = wpa_driver_madwifi_init, - .deinit = wpa_driver_madwifi_deinit, - .set_countermeasures = wpa_driver_madwifi_set_countermeasures, - .scan2 = wpa_driver_madwifi_scan, - .get_scan_results2 = wpa_driver_madwifi_get_scan_results, - .deauthenticate = wpa_driver_madwifi_deauthenticate, - .disassociate = wpa_driver_madwifi_disassociate, - .associate = wpa_driver_madwifi_associate, - .set_operstate = wpa_driver_madwifi_set_operstate, -#endif /* HOSTAPD */ }; -- cgit v1.1