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use MAC address as default host id

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badaix 2017-11-12 22:40:00 +01:00
parent 1176cfd9df
commit 034c7f5f98
1 changed files with 18 additions and 18 deletions
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36
common/utils.h
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@ -296,13 +296,14 @@ static std::string getMacAddress(int sock)
static std::string getHostId(const std::string defaultId = "")
{
std::string result = "";
#ifdef OPENWRT
/// on OpenWRT the dbus uid exists (/var/lib/dbus/machine-id),
/// but seems to be recreated with every reboot
if (!defaultId.empty())
return defaultId;
#elif MACOS
std::string result = strutils::trim_copy(defaultId);
/// the Android API will return "02:00:00:00:00:00" for WifiInfo.getMacAddress().
/// Maybe this could also happen with native code
if (!result.empty() && (result != "02:00:00:00:00:00") && (result != "00:00:00:00:00:00"))
return result;
#ifdef MACOS
/// https://stackoverflow.com/questions/933460/unique-hardware-id-in-mac-os-x
/// About this Mac, Hardware-UUID
char buf[64];
@ -314,22 +315,21 @@ static std::string getHostId(const std::string defaultId = "")
CFRelease(uuidCf);
#elif ANDROID
result = getProp("ro.serialno");
#else
/// TODO: store the id somewhere and reuse it (see OpenWRT)
std::ifstream infile("/var/lib/dbus/machine-id");
if (infile.good())
std::getline(infile, result);
#endif
//#else
// // on embedded platforms it's
// // - either not there
// // - or not unique, or changes during boot
// // - or changes during boot
// std::ifstream infile("/var/lib/dbus/machine-id");
// if (infile.good())
// std::getline(infile, result);
//#endif
strutils::trim(result);
if (!result.empty())
return result;
result = defaultId;
/// the Android API will return "02:00:00:00:00:00" for WifiInfo.getMacAddress().
/// Maybe this could also happen with native code
if (!result.empty() && (result != "02:00:00:00:00:00") && (result != "00:00:00:00:00:00"))
return result;
/// The host name should be unique enough in a LAN
return getHostName();
}