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TDLS: Fix higher/lower MAC address check for concurrent init

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The logic here was reversed: the STA with lower MAC address is the
one that continues as the initiator.
This commit is contained in:
Jouni Malinen 2011-01-27 21:08:50 +02:00 committed by Jouni Malinen
parent a8b2c2d657
commit 43291b683c
1 changed files with 11 additions and 16 deletions
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27
src/rsn_supp/tdls.c
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@ -1302,28 +1302,23 @@ skip_rsn:
}
/*
* An entry is already present, so check if a TPK M1 Request
* had been sent.
* If so compare MAC address and let
* - greater MAC continue to be initiator
* - other MAC be Peer and process the Req.
* An entry is already present, so check if we already sent a
* TDLS Setup Request. If so, compare MAC addresses and let the
* STA with the lower MAC address continue as the initiator.
* The other negotiation is terminated.
*/
if (peer->initiator) {
if (os_memcmp(sm->own_addr, src_addr, ETH_ALEN) > 0) {
wpa_printf(MSG_DEBUG, "TDLS: Dropping Request "
"from peer with smaller address "
if (os_memcmp(sm->own_addr, src_addr, ETH_ALEN) < 0) {
wpa_printf(MSG_DEBUG, "TDLS: Discard request "
"from peer with higher address "
MACSTR, MAC2STR(src_addr));
return -1;
} else {
/*
* If smaller node then accept the packet,
* clear values and get ready to process this
* Req.
*/
wpa_printf(MSG_DEBUG, "TDLS: Accepting "
"Request from peer " MACSTR,
wpa_printf(MSG_DEBUG, "TDLS: Accept request "
"from peer with lower address "
MACSTR " (terminate previously "
"initiated negotiation",
MAC2STR(src_addr));
/* clear sm info and preserve the list */
wpa_tdls_peer_free(sm, peer);
}
}