package/hostapd/patches/003-use-nl80211-for-keys.patch

   1 ---
   2  hostapd/driver_devicescape.c |   93 ++++++++++++++++++++++++++++++-------------
   3  1 file changed, 67 insertions(+), 26 deletions(-)
   4
   5 --- hostap.orig/hostapd/driver_devicescape.c    2007-11-09 13:41:12.000000000 +0100
   6 +++ hostap/hostapd/driver_devicescape.c 2007-11-09 13:41:13.000000000 +0100
   7 @@ -150,38 +150,79 @@ static int i802_set_encryption(const cha
   8                                size_t key_len, int txkey)
   9  {
  10         struct i802_driver_data *drv = priv;
  11 -       struct prism2_hostapd_param *param;
  12 -       u8 *buf;
  13 -       size_t blen;
  14 -       int ret = 0;
  15 +       struct nl_msg *msg;
  16 +       int ret = -1;
  17 +       int err = 0;
  18
  19 -       blen = sizeof(*param) + key_len;
  20 -       buf = os_zalloc(blen);
  21 -       if (buf == NULL)
  22 -               return -1;
  23 +       msg = nlmsg_alloc();
  24 +       if (!msg)
  25 +               goto out;
  26
  27 -       param = (struct prism2_hostapd_param *) buf;
  28 -       param->cmd = PRISM2_SET_ENCRYPTION;
  29 -       if (addr == NULL)
  30 -               memset(param->sta_addr, 0xff, ETH_ALEN);
  31 -       else
  32 -               memcpy(param->sta_addr, addr, ETH_ALEN);
  33 -       os_strlcpy((char *) param->u.crypt.alg, alg,
  34 -                  HOSTAP_CRYPT_ALG_NAME_LEN);
  35 -       param->u.crypt.flags = txkey ? HOSTAP_CRYPT_FLAG_SET_TX_KEY : 0;
  36 -       param->u.crypt.idx = idx;
  37 -       param->u.crypt.key_len = key_len;
  38 -       memcpy(param->u.crypt.key, key, key_len);
  39 +       if (strcmp(alg, "none") == 0) {
  40 +               genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
  41 +                           0, NL80211_CMD_DEL_KEY, 0);
  42 +       } else {
  43 +               genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
  44 +                           0, NL80211_CMD_NEW_KEY, 0);
  45 +               NLA_PUT(msg, NL80211_ATTR_KEY_DATA, key_len, key);
  46 +               if (strcmp(alg, "WEP") == 0) {
  47 +                       if (key_len == 5)
  48 +                               NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
  49 +                                           0x000FAC01);
  50 +                       else
  51 +                               NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
  52 +                                           0x000FAC05);
  53 +               } else if (strcmp(alg, "TKIP") == 0)
  54 +                       NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, 0x000FAC02);
  55 +               else if (strcmp(alg, "CCMP") == 0)
  56 +                       NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, 0x000FAC04);
  57 +               else
  58 +                       goto out;
  59 +       }
  60
  61 -       if (hostapd_ioctl_iface(iface, drv, param, blen) && errno != ENOENT) {
  62 -               printf("%s: Failed to set encryption to alg '%s' addr " MACSTR
  63 -                      " errno=%d\n",
  64 -                      iface, alg, MAC2STR(param->sta_addr), errno);
  65 -               ret = -1;
  66 +       if (addr)
  67 +               NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
  68 +       NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, idx);
  69 +       NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
  70 +
  71 +       if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
  72 +           (err = nl_wait_for_ack(drv->nl_handle)) < 0) {
  73 +               if (err != -ENOENT) {
  74 +                       err = 0;
  75 +                       goto out;
  76 +               }
  77         }
  78
  79 -       free(buf);
  80 +       if (!txkey) {
  81 +               ret = 0;
  82 +               goto out;
  83 +       }
  84 +
  85 +       nlmsg_free(msg);
  86 +
  87 +       msg = nlmsg_alloc();
  88 +       if (!msg)
  89 +               goto out;
  90
  91 +       genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
  92 +                   0, NL80211_CMD_SET_KEY, 0);
  93 +       NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, idx);
  94 +       NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
  95 +       NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT);
  96 +
  97 +       if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
  98 +           (err = nl_wait_for_ack(drv->nl_handle)) < 0) {
  99 +               if (err != -ENOENT) {
 100 +                       err = 0;
 101 +                       goto out;
 102 +               }
 103 +       }
 104 +
 105 +       ret = 0;
 106 +
 107 + out:
 108 + nla_put_failure:
 109 +       nlmsg_free(msg);
 110         return ret;
 111  }
 112