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nl80211: Share the same routine for NL80211_ATTR_KEY_CIPHER setup

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Jouni Malinen 2009-09-15 10:54:41 +03:00 committed by Jouni Malinen
parent 0194fedb46
commit 5aa9cb5cca
1 changed files with 37 additions and 44 deletions
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81
src/drivers/driver_nl80211.c
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@ -1754,6 +1754,41 @@ nla_put_failure:
}
static int nl_put_key_cipher(struct nl_msg *msg, wpa_alg alg, size_t key_len)
{
switch (alg) {
case WPA_ALG_WEP:
if (key_len == 5)
NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
WLAN_CIPHER_SUITE_WEP40);
else
NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
WLAN_CIPHER_SUITE_WEP104);
break;
case WPA_ALG_TKIP:
NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
WLAN_CIPHER_SUITE_TKIP);
break;
case WPA_ALG_CCMP:
NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
WLAN_CIPHER_SUITE_CCMP);
break;
case WPA_ALG_IGTK:
NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
WLAN_CIPHER_SUITE_AES_CMAC);
break;
default:
wpa_printf(MSG_ERROR, "%s: Unsupported encryption algorithm "
"%d", __func__, alg);
return -1;
}
return 0;
nla_put_failure:
return -ENOBUFS;
}
static int nl_set_encr(int ifindex, struct wpa_driver_nl80211_data *drv,
wpa_alg alg, const u8 *addr, int key_idx, int set_tx,
const u8 *seq, size_t seq_len,
@ -1778,30 +1813,7 @@ static int nl_set_encr(int ifindex, struct wpa_driver_nl80211_data *drv,
genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
0, NL80211_CMD_NEW_KEY, 0);
NLA_PUT(msg, NL80211_ATTR_KEY_DATA, key_len, key);
switch (alg) {
case WPA_ALG_WEP:
if (key_len == 5)
NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
WLAN_CIPHER_SUITE_WEP40);
else
NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
WLAN_CIPHER_SUITE_WEP104);
break;
case WPA_ALG_TKIP:
NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
WLAN_CIPHER_SUITE_TKIP);
break;
case WPA_ALG_CCMP:
NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
WLAN_CIPHER_SUITE_CCMP);
break;
case WPA_ALG_IGTK:
NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
WLAN_CIPHER_SUITE_AES_CMAC);
break;
default:
wpa_printf(MSG_ERROR, "%s: Unsupported encryption "
"algorithm %d", __func__, alg);
if (nl_put_key_cipher(msg, alg, key_len)) {
nlmsg_free(msg);
return -1;
}
@ -1879,27 +1891,8 @@ static int nl_add_key(struct nl_msg *msg, wpa_alg alg,
NLA_PUT_U8(msg, NL80211_KEY_IDX, key_idx);
switch (alg) {
case WPA_ALG_WEP:
if (key_len == 5)
NLA_PUT_U32(msg, NL80211_KEY_CIPHER, 0x000FAC01);
else
NLA_PUT_U32(msg, NL80211_KEY_CIPHER, 0x000FAC05);
break;
case WPA_ALG_TKIP:
NLA_PUT_U32(msg, NL80211_KEY_CIPHER, 0x000FAC02);
break;
case WPA_ALG_CCMP:
NLA_PUT_U32(msg, NL80211_KEY_CIPHER, 0x000FAC04);
break;
case WPA_ALG_IGTK:
NLA_PUT_U32(msg, NL80211_KEY_CIPHER, 0x000FAC06);
break;
default:
wpa_printf(MSG_ERROR, "%s: Unsupported encryption "
"algorithm %d", __func__, alg);
if (nl_put_key_cipher(msg, alg, key_len))
return -1;
}
if (seq && seq_len)
NLA_PUT(msg, NL80211_KEY_SEQ, seq_len, seq);