}
+static void nl80211_nlmsg_clear(struct nl_msg *msg)
+{
+ /*
+ * Clear nlmsg data, e.g., to make sure key material is not left in
+ * heap memory for unnecessarily long time.
+ */
+ if (msg) {
+ struct nlmsghdr *hdr = nlmsg_hdr(msg);
+ void *data = nlmsg_data(hdr);
+ int len = nlmsg_datalen(hdr);
+
+ os_memset(data, 0, len);
+ }
+}
+
+
static int send_and_recv(struct nl80211_global *global,
struct nl_handle *nl_handle, struct nl_msg *msg,
int (*valid_handler)(struct nl_msg *, void *),
}
out:
nl_cb_put(cb);
+ if (!valid_handler && valid_data == (void *) -1)
+ nl80211_nlmsg_clear(msg);
nlmsg_free(msg);
return err;
}
drv->ctx = ctx;
drv->hostapd = !!hostapd;
drv->eapol_sock = -1;
+
+ /*
+ * There is no driver capability flag for this, so assume it is
+ * supported and disable this on first attempt to use if the driver
+ * rejects the command due to missing support.
+ */
+ drv->set_rekey_offload = 1;
+
drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
drv->if_indices = drv->default_if_indices;
/* WMM-AC ADDTS Response */
if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
- return -1;
+ ret = -1;
/* WMM-AC DELTS */
if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
- return -1;
+ ret = -1;
/* Radio Measurement - Neighbor Report Response */
if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
+ nl80211_nlmsg_clear(msg);
nlmsg_free(msg);
return -1;
}
- ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+ ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
if (ret) {
wpa_printf(MSG_DEBUG,
"nl80211: Key management set key failed: ret=%d (%s)",
if (nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
goto fail;
- ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+ ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL);
if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
ret = 0;
if (ret)
return ret;
fail:
+ nl80211_nlmsg_clear(msg);
nlmsg_free(msg);
return -ENOBUFS;
}
static int nl80211_put_freq_params(struct nl_msg *msg,
- struct hostapd_freq_params *freq)
+ const struct hostapd_freq_params *freq)
{
if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
return -ENOBUFS;
struct wpa_driver_nl80211_data *drv = bss->drv;
struct nlattr *replay_nested;
struct nl_msg *msg;
+ int ret;
+
+ if (!drv->set_rekey_offload)
+ return;
+ wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload");
if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
!(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
nla_put(msg, NL80211_REKEY_DATA_KEK, NL80211_KEK_LEN, kek) ||
nla_put(msg, NL80211_REKEY_DATA_KCK, NL80211_KCK_LEN, kck) ||
nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
replay_ctr)) {
+ nl80211_nlmsg_clear(msg);
nlmsg_free(msg);
return;
}
nla_nest_end(msg, replay_nested);
- send_and_recv_msgs(drv, msg, NULL, NULL);
+ ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
+ if (ret == -EOPNOTSUPP) {
+ wpa_printf(MSG_DEBUG,
+ "nl80211: Driver does not support rekey offload");
+ drv->set_rekey_offload = 0;
+ }
}
return send_and_recv_msgs(drv, msg, NULL, NULL);
}
+
+static int
+nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
+ const struct hostapd_freq_params *params)
+{
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
+ struct nl_msg *msg;
+ int ret = -ENOBUFS;
+
+ if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
+ !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
+ return -EOPNOTSUPP;
+
+ wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
+ " oper_class=%u freq=%u",
+ MAC2STR(addr), oper_class, params->freq);
+ msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
+ if (!msg ||
+ nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
+ nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
+ (ret = nl80211_put_freq_params(msg, params))) {
+ nlmsg_free(msg);
+ wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
+ return ret;
+ }
+
+ return send_and_recv_msgs(drv, msg, NULL, NULL);
+}
+
+
+static int
+nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
+{
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
+ struct nl_msg *msg;
+
+ if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
+ !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
+ return -EOPNOTSUPP;
+
+ wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
+ MAC2STR(addr));
+ msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
+ if (!msg ||
+ nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
+ nlmsg_free(msg);
+ wpa_printf(MSG_DEBUG,
+ "nl80211: Could not build TDLS cancel chan switch");
+ return -ENOBUFS;
+ }
+
+ return send_and_recv_msgs(drv, msg, NULL, NULL);
+}
+
#endif /* CONFIG TDLS */
"capa.max_stations=%u\n"
"capa.probe_resp_offloads=0x%x\n"
"capa.max_acl_mac_addrs=%u\n"
- "capa.num_multichan_concurrent=%u\n",
+ "capa.num_multichan_concurrent=%u\n"
+ "capa.mac_addr_rand_sched_scan_supported=%d\n"
+ "capa.mac_addr_rand_scan_supported=%d\n",
drv->capa.key_mgmt,
drv->capa.enc,
drv->capa.auth,
drv->capa.max_stations,
drv->capa.probe_resp_offloads,
drv->capa.max_acl_mac_addrs,
- drv->capa.num_multichan_concurrent);
+ drv->capa.num_multichan_concurrent,
+ drv->capa.mac_addr_rand_sched_scan_supported,
+ drv->capa.mac_addr_rand_scan_supported);
if (os_snprintf_error(end - pos, res))
return pos - buf;
pos += res;
#ifdef CONFIG_TDLS
.send_tdls_mgmt = nl80211_send_tdls_mgmt,
.tdls_oper = nl80211_tdls_oper,
+ .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
+ .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
#endif /* CONFIG_TDLS */
.update_ft_ies = wpa_driver_nl80211_update_ft_ies,
.get_mac_addr = wpa_driver_nl80211_get_macaddr,
projects / mech_eap.git / blobdiff