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wpa: repeat rsne setup after deassociation (roamng between access points)

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the "auth" ctl command only sets the rsne of the current selected
access point. so on deassociation, we wait for the connection to
the potentially new access point and then setup new rsne before
processing eapol messages.
This commit is contained in:
cinap_lenrek 2013-08-19 16:07:07 +02:00
parent 232dad19ad
commit dda7b2c49f
1 changed files with 19 additions and 15 deletions
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34
sys/src/cmd/aux/wpa.c
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@ -57,6 +57,7 @@ Cipher ccmp = { "ccmp", 16 };
Cipher *peercipher;
Cipher *groupcipher;
int background;
int prompt;
int debug;
int fd, cfd;
@ -544,6 +545,7 @@ void
main(int argc, char *argv[])
{
uchar mac[Eaddrlen], buf[1024];
static uchar brsne[258];
char addr[128];
uchar *rsne;
int rsnelen;
@ -614,13 +616,12 @@ main(int argc, char *argv[])
free(s);
}
Connect:
/* bss scan might not be complete yet, so check for 10 seconds. */
for(try = 10; try >= 0 && !connected(); try--)
for(try = 10; (background || try >= 0) && !connected(); try--)
sleep(1000);
if(rsnelen <= 0){
static uchar brsne[258];
if(rsnelen <= 0 || rsne == brsne){
rsne = brsne;
rsnelen = buildrsne(rsne);
}
@ -644,18 +645,22 @@ main(int argc, char *argv[])
if(write(cfd, buf, n) != n)
sysfatal("write auth: %r");
if(!debug){
switch(rfork(RFFDG|RFREND|RFPROC|RFNOWAIT)){
default:
exits(nil);
case -1:
sysfatal("fork: %r");
return;
case 0:
break;
if(!background){
background = 1;
if(!debug){
switch(rfork(RFFDG|RFREND|RFPROC|RFNOWAIT)){
default:
exits(nil);
case -1:
sysfatal("fork: %r");
return;
case 0:
break;
}
}
}
lastrepc = 0ULL;
for(;;){
uchar smac[Eaddrlen], amac[Eaddrlen], snonce[Noncelen], anonce[Noncelen], *p, *e, *m;
int proto, eapver, flags, vers, datalen;
@ -668,8 +673,7 @@ main(int argc, char *argv[])
if(n == 0){
if(debug != 0)
fprint(2, "got deassociation\n");
lastrepc = 0ULL;
continue;
goto Connect;
}
p = buf;