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IBSS RSN: Do not start multiple Auth/Supp for same peer

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This avoids an issue when a received EAPOL-Key frame from a peer
is initiating IBSS RSN Authenticator and Supplicant for the peer
and the following new-STA-in-IBSS event from the driver is adding
yet another instance of Authenticator/Supplicant. The EAPOL-Key
RX case was already checking whether an instance had been started;
the driver new-STA event needs to do same.
This commit is contained in:
Jouni Malinen 2011-01-15 16:55:15 +02:00
parent 50b05780c2
commit 6c9a98a20d
1 changed files with 9 additions and 0 deletions
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9
wpa_supplicant/ibss_rsn.c
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@ -361,6 +361,15 @@ int ibss_rsn_start(struct ibss_rsn *ibss_rsn, const u8 *addr)
{
struct ibss_rsn_peer *peer;
for (peer = ibss_rsn->peers; peer; peer = peer->next) {
if (os_memcmp(addr, peer->addr, ETH_ALEN) == 0) {
wpa_printf(MSG_DEBUG, "RSN: IBSS Authenticator and "
"Supplicant for peer " MACSTR " already "
"running", MAC2STR(addr));
return 0;
}
}
wpa_printf(MSG_DEBUG, "RSN: Starting IBSS Authenticator and "
"Supplicant for peer " MACSTR, MAC2STR(addr));