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Remove broken security field

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This commit is contained in:
umgefahren 2023-12-14 19:48:36 +01:00
parent 5fa1b8bc26
commit 6b08a701f5
1 changed files with 0 additions and 47 deletions
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47
cyw43/src/structs.rs
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@ -518,7 +518,6 @@ pub struct BssInfo {
pub capability: u16,
pub ssid: heapless::Vec<u8, 32>,
pub rssi: i16,
pub security: BssSecurity,
}
impl BssInfo {
@ -527,52 +526,7 @@ impl BssInfo {
return None;
}
const DOT11_CAP_PRIVACY: u16 = 0x0010;
const DOT11_IE_ID_RSN: u8 = 48;
const DOT11_IE_ID_VENDOR_SPECIFIC: u8 = 221;
const WPA_OUI_TYPE1: &[u8] = b"\x00\x50\xF2\x01";
let bss_info = *BssInfoInternal::from_bytes_mut(packet[..BssInfoInternal::SIZE].as_mut().try_into().unwrap());
let mut ie_ptr = bss_info.ie_offset as usize;
let ie_top = ie_ptr + bss_info.ie_length as usize;
let mut ie_rsn = None;
let mut ie_wpa = None;
while ie_ptr < ie_top {
let ie_type = packet[ie_ptr];
let ie_len = packet[ie_ptr + 1] as usize;
if ie_ptr + 2 + ie_len <= ie_top {
match ie_type {
DOT11_IE_ID_RSN => {
ie_rsn = Some(ie_ptr);
}
DOT11_IE_ID_VENDOR_SPECIFIC => {
if &packet[ie_ptr + 2..ie_ptr + 6] == WPA_OUI_TYPE1 {
ie_wpa = Some(ie_ptr);
}
}
_ => {}
}
}
ie_ptr += 2 + ie_len;
}
let mut security_field = 0;
if ie_rsn.is_some() {
security_field |= 4;
}
if ie_wpa.is_some() {
security_field |= 2;
}
if bss_info.capability & DOT11_CAP_PRIVACY > 0 {
security_field |= 1;
}
let security = match security_field {
4 => BssSecurity::Wpa2,
2 => BssSecurity::Wpa,
1 => BssSecurity::WepPsk,
0 => BssSecurity::Open,
_ => BssSecurity::None,
};
let ssid = heapless::Vec::from_slice(&bss_info.ssid[..bss_info.ssid_len as usize]).unwrap();
let BssInfoInternal {
version,
@ -591,7 +545,6 @@ impl BssInfo {
capability,
ssid,
rssi,
security,
})
}
}