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openwrt-xburst/package/hostapd/patches/340-madwifi_key_fixes.patch
nbd f67f1954fb hostapd: update to 2011-02-21, use PKG_MIRROR_MD5SUM, includes fixes for WPS
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26261 3c298f89-4303-0410-b956-a3cf2f4a3e73
2011-03-21 23:02:12 +00:00

70 lines
2.4 KiB
Diff

--- a/src/drivers/driver_madwifi.c
+++ b/src/drivers/driver_madwifi.c
@@ -439,7 +439,11 @@ madwifi_set_key(const char *ifname, void
__func__, alg, ether_sprintf(addr), key_idx);
if (alg == WPA_ALG_WEP)
+ {
cipher = IEEE80211_CIPHER_WEP;
+ if ((!addr || !memcmp(addr, "\xff\xff\xff\xff\xff\xff", ETH_ALEN)) && drv->wext)
+ return wpa_driver_wext_set_key(ifname, drv->wext, alg, addr, key_idx, set_tx, seq, seq_len, key, key_len);
+ }
else if (alg == WPA_ALG_TKIP)
cipher = IEEE80211_CIPHER_TKIP;
else if (alg == WPA_ALG_CCMP)
@@ -458,20 +462,45 @@ madwifi_set_key(const char *ifname, void
memset(&wk, 0, sizeof(wk));
wk.ik_type = cipher;
- wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
- if (addr == NULL || is_broadcast_ether_addr(addr)) {
- memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
+ wk.ik_flags = IEEE80211_KEY_RECV;
+ if (set_tx)
+ wk.ik_flags |= IEEE80211_KEY_XMIT;
+ if (addr == NULL) {
+ os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
wk.ik_keyix = key_idx;
- wk.ik_flags |= IEEE80211_KEY_DEFAULT;
- } else if (!memcmp(addr, "\xff\xff\xff\xff\xff\xff", ETH_ALEN)) {
- wk.ik_flags |= IEEE80211_KEY_GROUP;
- memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
} else {
- memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
- wk.ik_keyix = IEEE80211_KEYIX_NONE;
+ os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
+ /*
+ * Deduce whether group/global or unicast key by checking
+ * the address (yech). Note also that we can only mark global
+ * keys default; doing this for a unicast key is an error.
+ */
+ if (os_memcmp(addr, "\xff\xff\xff\xff\xff\xff",
+ IEEE80211_ADDR_LEN) == 0) {
+ wk.ik_flags |= IEEE80211_KEY_GROUP;
+ wk.ik_keyix = key_idx;
+ } else {
+ wk.ik_keyix = key_idx == 0 ? IEEE80211_KEYIX_NONE :
+ key_idx;
+ }
}
+ if (wk.ik_keyix != IEEE80211_KEYIX_NONE && set_tx)
+ wk.ik_flags |= IEEE80211_KEY_DEFAULT;
wk.ik_keylen = key_len;
memcpy(wk.ik_keydata, key, key_len);
+#ifdef WORDS_BIGENDIAN
+#define WPA_KEY_RSC_LEN 8
+ {
+ size_t i;
+ u8 tmp[WPA_KEY_RSC_LEN];
+ os_memset(tmp, 0, sizeof(tmp));
+ for (i = 0; i < seq_len; i++)
+ tmp[WPA_KEY_RSC_LEN - i - 1] = seq[i];
+ os_memcpy(&wk.ik_keyrsc, tmp, WPA_KEY_RSC_LEN);
+ }
+#else /* WORDS_BIGENDIAN */
+ os_memcpy(&wk.ik_keyrsc, seq, seq_len);
+#endif /* WORDS_BIGENDIAN */
ret = set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk));
if (ret < 0) {