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hostapd: check validity of cwMin/cwMax values

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Signed-off-by: Matthias May <matthias.may@neratec.com>
This commit is contained in:
Matthias May 2015-05-06 09:18:07 +02:00 committed by Jouni Malinen
parent 9649b5342d
commit 8884ce03bc
1 changed files with 28 additions and 0 deletions
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28
src/ap/ap_config.c
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@ -843,6 +843,29 @@ static int hostapd_config_check_bss(struct hostapd_bss_config *bss,
}
static int hostapd_config_check_cw(struct hostapd_config *conf, int queue)
{
int tx_cwmin = conf->tx_queue[queue].cwmin;
int tx_cwmax = conf->tx_queue[queue].cwmax;
int ac_cwmin = conf->wmm_ac_params[queue].cwmin;
int ac_cwmax = conf->wmm_ac_params[queue].cwmax;
if (tx_cwmin > tx_cwmax) {
wpa_printf(MSG_ERROR,
"Invalid TX queue cwMin/cwMax values. cwMin(%d) greater than cwMax(%d)",
tx_cwmin, tx_cwmax);
return -1;
}
if (ac_cwmin > ac_cwmax) {
wpa_printf(MSG_ERROR,
"Invalid WMM AC cwMin/cwMax values. cwMin(%d) greater than cwMax(%d)",
ac_cwmin, ac_cwmax);
return -1;
}
return 0;
}
int hostapd_config_check(struct hostapd_config *conf, int full_config)
{
size_t i;
@ -872,6 +895,11 @@ int hostapd_config_check(struct hostapd_config *conf, int full_config)
return -1;
}
for (i = 0; i < NUM_TX_QUEUES; i++) {
if (hostapd_config_check_cw(conf, i))
return -1;
}
for (i = 0; i < conf->num_bss; i++) {
if (hostapd_config_check_bss(conf->bss[i], conf, full_config))
return -1;