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netdev: Move CMD_NEW_KEY RX-only builder to nl80211util

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This commit is contained in:
Denis Kenzior 2023-11-14 10:03:58 -06:00
parent 708a8feaba
commit 05c1d34c6e
3 changed files with 38 additions and 33 deletions
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34
src/netdev.c
View File

@ -1898,36 +1898,6 @@ error:
netdev_setting_keys_failed(nhs, err);
}
static struct l_genl_msg *netdev_build_cmd_new_rx_key_pairwise(
struct netdev *netdev,
uint32_t cipher,
const uint8_t *aa,
const uint8_t *tk,
size_t tk_len,
uint8_t key_id)
{
uint8_t key_mode = NL80211_KEY_NO_TX;
uint32_t key_type = NL80211_KEYTYPE_PAIRWISE;
struct l_genl_msg *msg;
msg = l_genl_msg_new_sized(NL80211_CMD_NEW_KEY, 512);
l_genl_msg_append_attr(msg, NL80211_ATTR_MAC, ETH_ALEN, aa);
l_genl_msg_append_attr(msg, NL80211_ATTR_IFINDEX, 4, &netdev->index);
l_genl_msg_enter_nested(msg, NL80211_ATTR_KEY);
l_genl_msg_append_attr(msg, NL80211_KEY_DATA, tk_len, tk);
l_genl_msg_append_attr(msg, NL80211_KEY_CIPHER, 4, &cipher);
l_genl_msg_append_attr(msg, NL80211_KEY_IDX, 1, &key_id);
l_genl_msg_append_attr(msg, NL80211_KEY_MODE, 1, &key_mode);
l_genl_msg_append_attr(msg, NL80211_KEY_TYPE, 4, &key_type);
l_genl_msg_leave_nested(msg);
return msg;
}
static void netdev_group_timeout_cb(struct l_timeout *timeout, void *user_data)
{
struct netdev_handshake_state *nhs = user_data;
@ -2037,8 +2007,8 @@ static void netdev_set_ext_tk(struct handshake_state *hs, uint8_t key_idx,
if (!netdev_copy_tk(tk_buf, tk, cipher, hs->authenticator))
goto error;
msg = netdev_build_cmd_new_rx_key_pairwise(netdev, cipher, addr, tk_buf,
crypto_cipher_key_len(cipher),
msg = nl80211_build_new_rx_key_pairwise(netdev->index, cipher, addr,
tk_buf, crypto_cipher_key_len(cipher),
hs->active_tk_index);
nhs->pairwise_new_key_cmd_id =
l_genl_family_send(nl80211, msg, netdev_new_rx_pairwise_key_cb,

29
src/nl80211util.c
View File

@ -379,6 +379,35 @@ struct l_genl_msg *nl80211_build_new_key_pairwise(uint32_t ifindex,
return msg;
}
struct l_genl_msg *nl80211_build_new_rx_key_pairwise(uint32_t ifindex,
uint32_t cipher,
const uint8_t addr[static 6],
const uint8_t *tk,
size_t tk_len,
uint8_t key_id)
{
uint8_t key_mode = NL80211_KEY_NO_TX;
uint32_t key_type = NL80211_KEYTYPE_PAIRWISE;
struct l_genl_msg *msg;
msg = l_genl_msg_new_sized(NL80211_CMD_NEW_KEY, 512);
l_genl_msg_append_attr(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
l_genl_msg_append_attr(msg, NL80211_ATTR_IFINDEX, 4, &ifindex);
l_genl_msg_enter_nested(msg, NL80211_ATTR_KEY);
l_genl_msg_append_attr(msg, NL80211_KEY_DATA, tk_len, tk);
l_genl_msg_append_attr(msg, NL80211_KEY_CIPHER, 4, &cipher);
l_genl_msg_append_attr(msg, NL80211_KEY_IDX, 1, &key_id);
l_genl_msg_append_attr(msg, NL80211_KEY_MODE, 1, &key_mode);
l_genl_msg_append_attr(msg, NL80211_KEY_TYPE, 4, &key_type);
l_genl_msg_leave_nested(msg);
return msg;
}
static struct l_genl_msg *nl80211_build_set_station(uint32_t ifindex,
const uint8_t *addr,
struct nl80211_sta_flag_update *flags)

6
src/nl80211util.h
View File

@ -50,6 +50,12 @@ struct l_genl_msg *nl80211_build_new_key_pairwise(uint32_t ifindex,
const uint8_t *tk,
size_t tk_len,
uint8_t key_id);
struct l_genl_msg *nl80211_build_new_rx_key_pairwise(uint32_t ifindex,
uint32_t cipher,
const uint8_t addr[static 6],
const uint8_t *tk,
size_t tk_len,
uint8_t key_id);
struct l_genl_msg *nl80211_build_set_station_authorized(uint32_t ifindex,
const uint8_t *addr);