+static int
+bsd_set_key(int s, const char *ifname, 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);
+
+ 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 (os_memcmp(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 bsd_set80211var(s, ifname, IEEE80211_IOC_WPAKEY, &wk,
+ sizeof(wk));
+}
+