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wifi: don't try to associate when bypassed

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when the interface is bypassed, stop trying to
associate/authenticate to the access point.
just scan and collect beacon statistics.
my asus access point sends spoofed ethernet
frames otherwise on the lan, breaking
ethermultilink.
This commit is contained in:
cinap_lenrek 2025-01-10 22:48:27 +00:00
parent 3459c8cb8e
commit 09b5619466
1 changed files with 6 additions and 6 deletions
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12
sys/src/9/port/wifi.c
View file

@ -601,6 +601,8 @@ wifideauth(Wifi *wifi, Wnode *wn)
static int static int
goodbss(Wifi *wifi, Wnode *wn) goodbss(Wifi *wifi, Wnode *wn)
{ {
if(wifi->ether->bypass)
return 0; /* we'r bypassed, dont try to associate */
if(memcmp(wifi->bssid, wifi->ether->bcast, Eaddrlen) != 0){ if(memcmp(wifi->bssid, wifi->ether->bcast, Eaddrlen) != 0){
if(memcmp(wifi->bssid, wn->bssid, Eaddrlen) != 0) if(memcmp(wifi->bssid, wn->bssid, Eaddrlen) != 0)
return 0; /* bssid doesnt match */ return 0; /* bssid doesnt match */
@ -803,7 +805,7 @@ wifsproc(void *arg)
Scan: Scan:
/* scan for access point */ /* scan for access point */
while(wifi->bss == nil){ while(wifi->bss == nil){
ether->link = 0; ethersetlink(ether, 0);
wnscan.channel = 1 + ((wnscan.channel+4) % 13); wnscan.channel = 1 + ((wnscan.channel+4) % 13);
wifiprobe(wifi, &wnscan); wifiprobe(wifi, &wnscan);
do { do {
@ -819,11 +821,10 @@ Scan:
if((rate = wn->actrate) != nil) if((rate = wn->actrate) != nil)
ethersetspeed(ether, ((*rate & 0x7f)+3)/4); ethersetspeed(ether, ((*rate & 0x7f)+3)/4);
ethersetlink(ether, 1); ethersetlink(ether, 1);
} else {
ethersetlink(ether, 0);
} }
now = MACHP(0)->ticks; now = MACHP(0)->ticks;
if(wn->status != Sneedauth && TK2SEC(now - wn->lastseen) > 20 || goodbss(wifi, wn) == 0){ if(wn->status != Sneedauth && TK2SEC(now - wn->lastseen) > 20
|| goodbss(wifi, wn) == 0){
wifideauth(wifi, wn); wifideauth(wifi, wn);
wifi->bss = nil; wifi->bss = nil;
break; break;
@ -833,9 +834,8 @@ Scan:
wifideauth(wifi, wn); /* stuck in auth, start over */ wifideauth(wifi, wn); /* stuck in auth, start over */
if(wn->status == Sconn || wn->status == Sunauth) if(wn->status == Sconn || wn->status == Sunauth)
sendauth(wifi, wn); sendauth(wifi, wn);
if(wn->status == Sauth){ if(wn->status == Sauth)
sendassoc(wifi, wn); sendassoc(wifi, wn);
}
} }
tsleep(&up->sleep, return0, 0, 500); tsleep(&up->sleep, return0, 0, 500);
} }