diff options
| author | Jasper Lievisse Adriaanse <jasper@cvs.openbsd.org> | 2015-04-08 09:29:50 +0000 |
|---|---|---|
| committer | Jasper Lievisse Adriaanse <jasper@cvs.openbsd.org> | 2015-04-08 09:29:50 +0000 |
| commit | 57c48b07e29f5921d3406cc0a75cb741145024f0 (patch) | |
| tree | 2038cf5666d7eb949afeaddca06176927e0be94a /sys/dev | |
| parent | e10151967885f9a64bdd44d15680c517e73d1657 (diff) | |
don't leak the chip's hardware address during scans when a randomized address
is set by the user.
previously the address read from the eeprom would also be used in discovery
frames, even if later data frames would contain the spoofed address.
ok stsp@
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/pci/if_iwn.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/dev/pci/if_iwn.c b/sys/dev/pci/if_iwn.c index 791a8657c6a..62c24a65157 100644 --- a/sys/dev/pci/if_iwn.c +++ b/sys/dev/pci/if_iwn.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_iwn.c,v 1.141 2015/03/14 03:38:48 jsg Exp $ */ +/* $OpenBSD: if_iwn.c,v 1.142 2015/04/08 09:29:49 jasper Exp $ */ /*- * Copyright (c) 2007-2010 Damien Bergamini <damien.bergamini@free.fr> @@ -4494,6 +4494,7 @@ iwn_scan(struct iwn_softc *sc, uint16_t flags) struct ieee80211_frame *wh; struct ieee80211_rateset *rs; struct ieee80211_channel *c; + struct ifnet *ifp = &ic->ic_if; uint8_t *buf, *frm; uint16_t rxchain, dwell_active, dwell_passive; uint8_t txant; @@ -4546,7 +4547,7 @@ iwn_scan(struct iwn_softc *sc, uint16_t flags) /* Use the first valid TX antenna. */ txant = IWN_LSB(sc->txchainmask); tx->rflags |= IWN_RFLAG_ANT(txant); - + /* * Only do active scanning if we're announcing a probe request * for a given SSID (or more, if we ever add it to the driver.) @@ -4572,6 +4573,7 @@ iwn_scan(struct iwn_softc *sc, uint16_t flags) wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_REQ; wh->i_fc[1] = IEEE80211_FC1_DIR_NODS; + IEEE80211_ADDR_COPY(ic->ic_myaddr, LLADDR(ifp->if_sadl)); IEEE80211_ADDR_COPY(wh->i_addr1, etherbroadcastaddr); IEEE80211_ADDR_COPY(wh->i_addr2, ic->ic_myaddr); IEEE80211_ADDR_COPY(wh->i_addr3, etherbroadcastaddr); |