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https://github.com/fastfetch-cli/fastfetch.git
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李通洲
100 lines
3.5 KiB
C
100 lines
3.5 KiB
C
#include "bluetoothradio.h"
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#include "common/library.h"
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#include "common/io.h"
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#include "common/windows/unicode.h"
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#include <windows.h>
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#include <bluetoothapis.h>
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#include <winioctl.h>
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// #include <bthioctl.h>
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#define BTH_IOCTL_BASE 0
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#define BTH_CTL(id) CTL_CODE(FILE_DEVICE_BLUETOOTH, (id), METHOD_BUFFERED, FILE_ANY_ACCESS)
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#define IOCTL_BTH_GET_LOCAL_INFO BTH_CTL(BTH_IOCTL_BASE + 0x00)
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#define LMP_LE_SUPPORTED(x) ((x >> 38) & 1)
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typedef struct _BTH_RADIO_INFO {
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// Supported LMP features of the radio. Use LMP_XXX() to extract
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// the desired bits.
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ULONGLONG lmpSupportedFeatures;
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// Manufacturer ID (possibly BTH_MFG_XXX)
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USHORT mfg;
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// LMP subversion
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USHORT lmpSubversion;
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// LMP version
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UCHAR lmpVersion;
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} FF_A_PACKED BTH_RADIO_INFO;
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typedef struct _BTH_LOCAL_RADIO_INFO {
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// Local BTH_ADDR, class of device, and radio name
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BTH_DEVICE_INFO localInfo;
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// Combo of LOCAL_RADIO_XXX values
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ULONG flags;
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// HCI revision, see core spec
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USHORT hciRevision;
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// HCI version, see core spec
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UCHAR hciVersion;
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// More information about the local radio (LMP, MFG)
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BTH_RADIO_INFO radioInfo;
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} FF_A_PACKED BTH_LOCAL_RADIO_INFO;
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static_assert(sizeof(BTH_LOCAL_RADIO_INFO) == 292, "BTH_LOCAL_RADIO_INFO should be 292 bytes");
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#pragma GCC diagnostic ignored "-Wpointer-sign"
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const char* ffDetectBluetoothRadio(FFlist* devices /* FFBluetoothRadioResult */) {
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// Actually bluetoothapis.dll, but it's missing on Windows 7
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FF_LIBRARY_LOAD_MESSAGE(bluetoothapis, "bluetoothapis.dll", 1)
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FF_LIBRARY_LOAD_SYMBOL_MESSAGE(bluetoothapis, BluetoothFindFirstRadio)
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FF_LIBRARY_LOAD_SYMBOL_MESSAGE(bluetoothapis, BluetoothFindNextRadio)
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FF_LIBRARY_LOAD_SYMBOL_MESSAGE(bluetoothapis, BluetoothFindRadioClose)
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FF_LIBRARY_LOAD_SYMBOL_MESSAGE(bluetoothapis, BluetoothIsConnectable)
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FF_LIBRARY_LOAD_SYMBOL_MESSAGE(bluetoothapis, BluetoothIsDiscoverable)
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HANDLE hRadio = nullptr;
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HBLUETOOTH_DEVICE_FIND hFind = ffBluetoothFindFirstRadio(&(BLUETOOTH_FIND_RADIO_PARAMS) {
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.dwSize = sizeof(BLUETOOTH_FIND_RADIO_PARAMS) },
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&hRadio);
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if (!hFind) {
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if (GetLastError() == ERROR_NO_MORE_ITEMS) {
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return "No Bluetooth radios found or service disabled";
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} else {
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return "BluetoothFindFirstRadio() failed";
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}
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}
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do {
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BTH_LOCAL_RADIO_INFO blri;
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DWORD returned;
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if (!DeviceIoControl(hRadio, IOCTL_BTH_GET_LOCAL_INFO, nullptr, 0, &blri, sizeof(blri), &returned, nullptr)) {
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continue;
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}
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FFBluetoothRadioResult* device = FF_LIST_ADD(FFBluetoothRadioResult, *devices);
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ffStrbufInitS(&device->name, blri.localInfo.name);
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BLUETOOTH_ADDRESS_STRUCT addr = { .ullLong = blri.localInfo.address };
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ffStrbufInitF(&device->address, "%02X:%02X:%02X:%02X:%02X:%02X", addr.rgBytes[5], addr.rgBytes[4], addr.rgBytes[3], addr.rgBytes[2], addr.rgBytes[1], addr.rgBytes[0]);
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device->lmpVersion = blri.radioInfo.lmpVersion;
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device->lmpSubversion = blri.radioInfo.lmpSubversion;
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ffStrbufInitStatic(&device->vendor, ffBluetoothRadioGetVendor(blri.radioInfo.mfg));
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device->enabled = true;
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device->connectable = ffBluetoothIsConnectable(hRadio);
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device->discoverable = ffBluetoothIsDiscoverable(hRadio);
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NtClose(hRadio);
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} while (ffBluetoothFindNextRadio(hFind, &hRadio));
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ffBluetoothFindRadioClose(hFind);
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return nullptr;
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}
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