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nl80211: Extended Key ID support

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Add key configuration parameters needed to support Extended Key ID with
pairwise keys. Add a driver capability flag to indicate support forusing
this.

Signed-off-by: Alexander Wetzel <alexander@wetzel-home.de>
This commit is contained in:
Alexander Wetzel 2020-03-15 20:04:24 +01:00 committed by Jouni Malinen
parent a1afa2df8a
commit ac22241532
4 changed files with 23 additions and 2 deletions
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2
src/drivers/driver.h
View file

@ -1841,6 +1841,8 @@ struct wpa_driver_capa {
#define WPA_DRIVER_FLAGS_SAFE_PTK0_REKEYS 0x2000000000000000ULL
/** Driver supports Beacon protection */
#define WPA_DRIVER_FLAGS_BEACON_PROTECTION 0x4000000000000000ULL
/** Driver supports Extended Key ID */
#define WPA_DRIVER_FLAGS_EXTENDED_KEY_ID 0x8000000000000000ULL
u64 flags;
#define FULL_AP_CLIENT_STATE_SUPP(drv_flags) \

1
src/drivers/driver_common.c
View file

@ -315,6 +315,7 @@ const char * driver_flag_to_string(u64 flag)
DF2S(UPDATE_FT_IES);
DF2S(SAFE_PTK0_REKEYS);
DF2S(BEACON_PROTECTION);
DF2S(EXTENDED_KEY_ID);
}
return "UNKNOWN";
#undef DF2S

18
src/drivers/driver_nl80211.c
View file

@ -3105,7 +3105,12 @@ static int wpa_driver_nl80211_set_key(struct i802_bss *bss,
if (!key_msg)
return ret;
if (alg == WPA_ALG_NONE && (key_flag & KEY_FLAG_RX_TX)) {
if ((key_flag & KEY_FLAG_PAIRWISE_MASK) ==
KEY_FLAG_PAIRWISE_RX_TX_MODIFY) {
msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
if (!msg)
goto fail2;
} else if (alg == WPA_ALG_NONE && (key_flag & KEY_FLAG_RX_TX)) {
wpa_printf(MSG_DEBUG, "%s: invalid key_flag to delete key",
__func__);
ret = -EINVAL;
@ -3143,7 +3148,16 @@ static int wpa_driver_nl80211_set_key(struct i802_bss *bss,
if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
goto fail;
if ((key_flag & KEY_FLAG_GROUP_MASK) == KEY_FLAG_GROUP_RX) {
if ((key_flag & KEY_FLAG_PAIRWISE_MASK) ==
KEY_FLAG_PAIRWISE_RX ||
(key_flag & KEY_FLAG_PAIRWISE_MASK) ==
KEY_FLAG_PAIRWISE_RX_TX_MODIFY) {
if (nla_put_u8(key_msg, NL80211_KEY_MODE,
key_flag == KEY_FLAG_PAIRWISE_RX ?
NL80211_KEY_NO_TX : NL80211_KEY_SET_TX))
goto fail;
} else if ((key_flag & KEY_FLAG_GROUP_MASK) ==
KEY_FLAG_GROUP_RX) {
wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
if (nla_put_u32(key_msg, NL80211_KEY_TYPE,
NL80211_KEYTYPE_GROUP))

4
src/drivers/driver_nl80211_capa.c
View file

@ -453,6 +453,10 @@ static void wiphy_info_ext_feature_flags(struct wiphy_info_data *info,
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_BEACON_PROTECTION))
capa->flags |= WPA_DRIVER_FLAGS_BEACON_PROTECTION;
if (ext_feature_isset(ext_features, len,
NL80211_EXT_FEATURE_EXT_KEY_ID))
capa->flags |= WPA_DRIVER_FLAGS_EXTENDED_KEY_ID;
}