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SEBWIN-717, #637: Fixed loading of MAC address for system info.

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This commit is contained in:
Damian Büchel 2023-07-31 15:19:31 +02:00
parent b36df9ad5a
commit d76dbf6b40
1 changed files with 7 additions and 16 deletions
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23
SafeExamBrowser.SystemComponents/SystemInfo.cs
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@ -219,31 +219,22 @@ namespace SafeExamBrowser.SystemComponents
try try
{ {
using (var searcher = new ManagementObjectSearcher("SELECT MACAddress FROM Win32_NetworkAdapterConfiguration WHERE DNSDomain IS NOT NULL")) using (var searcher = new ManagementObjectSearcher("SELECT MACAddress FROM Win32_NetworkAdapterConfiguration WHERE DNSHostName IS NOT NULL"))
using (var results = searcher.Get()) using (var results = searcher.Get())
using (var networkAdapter = results.Cast<ManagementObject>().First())
{ {
if (results != default && results.Count > 0) foreach (var property in networkAdapter.Properties)
{ {
using (var networkAdapter = results.Cast<ManagementObject>().First()) if (property.Name.Equals("MACAddress"))
{ {
foreach (var property in networkAdapter.Properties) MacAddress = Convert.ToString(property.Value).Replace(":", "").ToUpper();
{
if (property.Name.Equals("MACAddress"))
{
MacAddress = Convert.ToString(property.Value).Replace(":", "").ToUpper();
}
}
} }
} }
else
{
MacAddress = UNDEFINED;
}
} }
} }
catch (Exception) finally
{ {
MacAddress = UNDEFINED; MacAddress = MacAddress ?? UNDEFINED;
} }
} }