static int wpa_driver_madwifi_set_key(void *priv, wpa_alg alg, const u8 *addr, int key_idx, int set_tx, const u8 *seq, size_t seq_len, const u8 *key, size_t key_len) { struct wpa_driver_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(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 #define WPA_KEY_RSC_LEN 8 { 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 */ 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_key(void *priv, wpa_alg alg, const u8 *addr, int key_idx, int set_tx, const u8 *seq, size_t seq_len, const u8 *key, size_t key_len) { struct wpa_driver_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: 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; } memset(&wk, 0, sizeof(wk)); wk.ik_type = cipher; wk.ik_flags = IEEE80211_KEY_RECV; if (set_tx) { wk.ik_flags |= IEEE80211_KEY_XMIT | IEEE80211_KEY_DEFAULT; memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN); } else memset(wk.ik_macaddr, 0, IEEE80211_ADDR_LEN); wk.ik_keyix = key_idx; wk.ik_keylen = key_len; memcpy(&wk.ik_keyrsc, seq, seq_len); memcpy(wk.ik_keydata, key, key_len); return set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk), 1); }