DigitalInfinity/ESP32-PaxCounter
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

optimized newnac

Browse Source
This commit is contained in:
Charles 2018-04-04 14:23:02 +02:00
parent eef19c581b
commit 204b91237c
1 changed files with 12 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
src/macsniff.cpp
View File

@ -38,7 +38,6 @@ bool mac_add(uint8_t *paddr, int8_t rssi, bool sniff_type) {
uint32_t addr2int;
uint32_t vendor2int;
uint16_t hashedmac;
std::pair<std::set<uint16_t>::iterator, bool> newmac;
// Only last 3 MAC Address bytes are used bay MAC Address Anonymization
addr2int = ( (uint32_t)paddr[3] ) | ( (uint32_t)paddr[4] << 8 ) | ( (uint32_t)paddr[5] << 16 );
@ -55,17 +54,17 @@ bool mac_add(uint8_t *paddr, int8_t rssi, bool sniff_type) {
addr2int += (uint32_t) salt << 16; // add 16-bit salt to 24-bit MAC
snprintf(macbuf, sizeof(macbuf), "%08X", addr2int); // convert unsigned 32-bit salted MAC to 8 digit hex string
hashedmac = rokkit(macbuf, 5); // hash MAC string, use 5 chars to fit hash in uint16_t container
newmac = macs.insert(hashedmac); // add hashed MAC to total container if new unique
added = newmac.second; // true if hashed MAC is unique in container
auto newmac = macs.insert(hashedmac); // add hashed MAC to total container if new unique
added = newmac.second ? true:false; // true if hashed MAC is unique in container
if (sniff_type == MAC_SNIFF_WIFI ) {
rgb_set_color(COLOR_GREEN);
newmac = wifis.insert(hashedmac); // add hashed MAC to wifi container if new unique
wifis.insert(hashedmac); // add hashed MAC to wifi container if new unique
strcpy(typebuff, "WiFi");
rgb_set_color(COLOR_NONE);
} else if (sniff_type == MAC_SNIFF_BLE ) {
rgb_set_color(COLOR_MAGENTA);
newmac = bles.insert(hashedmac); // add hashed MAC to BLE container if new unique
bles.insert(hashedmac); // add hashed MAC to BLE container if new unique
strcpy(typebuff, "BLE ");
rgb_set_color(COLOR_NONE);
}
@ -73,10 +72,11 @@ bool mac_add(uint8_t *paddr, int8_t rssi, bool sniff_type) {
if (added) { // first time seen this WIFI or BLE MAC
snprintf(counter, sizeof(counter), "%d", (int) macs.size()); // convert 16-bit MAC counter to decimal counter value
u8x8.draw2x2String(0, 0, counter); // display number on unique macs total Wifi + BLE
ESP_LOGI(TAG, "%s RSSI %4d -> Hash %04X -> counted #%d", typebuff, rssi, hashedmac, (int) macs.size());
ESP_LOGI(TAG, "%s Counted WiFi #%d : BLE #%d", typebuff, (int) wifis.size(), (int) bles.size());
ESP_LOGI(TAG, "%s RSSI %d -> Hash %04X -> WiFi:%d BLE:%d Tot:%d",
typebuff, rssi, hashedmac,
(int) wifis.size(), (int) bles.size(), (int) macs.size());
} else { // already seen WIFI or BLE MAC
ESP_LOGI(TAG, "%s RSSI %4d -> Hash %04X -> already seen", typebuff, rssi, hashedmac);
ESP_LOGI(TAG, "%s RSSI %d -> Hash %04X -> already seen", typebuff, rssi, hashedmac);
}
#ifdef VENDORFILTER
@ -106,7 +106,6 @@ class MyAdvertisedDeviceCallbacks: public BLEAdvertisedDeviceCallbacks {
void BLECount() {
ESP_LOGI(TAG, "BLE scan started");
int blenum = 0; // Total device seen on this scan session
currentScanDevice = 0; // Set 0 seen device on this scan session
u8x8.clearLine(3);
u8x8.drawString(0,3,"BLE Scan...");
@ -115,11 +114,11 @@ void BLECount() {
pBLEScan->setAdvertisedDeviceCallbacks(new MyAdvertisedDeviceCallbacks());
pBLEScan->setActiveScan(true); //active scan uses more power, but get results faster
BLEScanResults foundDevices = pBLEScan->start(cfg.blescantime);
blenum=foundDevices.getCount();
int blenum=foundDevices.getCount();
ESP_LOGI(TAG, "BLE scan done, seen %d device(s)", blenum);
u8x8.clearLine(3);
u8x8.setCursor(0,3);
u8x8.printf("BLE#: %-5i %-3i",bles.size(), blenum);
ESP_LOGI(TAG, "BLE scan done");
u8x8.printf("BLE#: %-4d %d", (int) bles.size(), currentScanDevice);
}
#endif
@ -149,7 +148,7 @@ void wifi_sniffer_packet_handler(void* buff, wifi_promiscuous_pkt_type_t type) {
uint8_t *p = (uint8_t *) hdr->addr2;
mac_add(p, ppkt->rx_ctrl.rssi, MAC_SNIFF_WIFI) ;
} else {
ESP_LOGI(TAG, "WiFi RSSI %04d -> ignoring (limit: %i)", ppkt->rx_ctrl.rssi, cfg.rssilimit);
ESP_LOGI(TAG, "WiFi RSSI %d -> ignoring (limit: %d)", ppkt->rx_ctrl.rssi, cfg.rssilimit);
}
yield();
}