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wps: Relax the check on older config methods in case of WPS2.0 (backport v3.2)

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Some APs incorrectly advertize newer WPS2.0 config method bits
without setting bits for the corresponding older methods. This
results in failures during 8-way handshake. Add a workaround to
relax this check so that WPS handshake can proceed.
This commit is contained in:
Nachiket Kukade 2019-08-09 17:19:37 +05:30
parent 1fab985f63
commit 151ddb4cda
1 changed files with 0 additions and 12 deletions
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12
components/wpa_supplicant/src/wps/wps_validate.c
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@ -96,23 +96,11 @@ static int wps_validate_response_type(const u8 *response_type, int mandatory)
static int valid_config_methods(u16 val, int wps2)
{
if (wps2) {
if ((val & 0x6000) && !(val & WPS_CONFIG_DISPLAY)) {
wpa_printf(MSG_INFO, "WPS-STRICT: Physical/Virtual "
"Display flag without old Display flag "
"set");
return 0;
}
if (!(val & 0x6000) && (val & WPS_CONFIG_DISPLAY)) {
wpa_printf(MSG_INFO, "WPS-STRICT: Display flag "
"without Physical/Virtual Display flag");
return 0;
}
if ((val & 0x0600) && !(val & WPS_CONFIG_PUSHBUTTON)) {
wpa_printf(MSG_INFO, "WPS-STRICT: Physical/Virtual "
"PushButton flag without old PushButton "
"flag set");
return 0;
}
if (!(val & 0x0600) && (val & WPS_CONFIG_PUSHBUTTON)) {
wpa_printf(MSG_INFO, "WPS-STRICT: PushButton flag "
"without Physical/Virtual PushButton flag");