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SEBWIN-772: Added user-specific cursor path to verification.

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This commit is contained in:
Damian Büchel 2023-11-01 09:23:37 +01:00
parent ca02b1d674
commit 4ac982a3dd
1 changed files with 9 additions and 2 deletions
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11
SafeExamBrowser.Runtime/Operations/SessionIntegrityOperation.cs
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@ -18,6 +18,9 @@ namespace SafeExamBrowser.Runtime.Operations
{ {
internal class SessionIntegrityOperation : SessionOperation internal class SessionIntegrityOperation : SessionOperation
{ {
private static readonly string USER_PATH = $@"{Environment.ExpandEnvironmentVariables("%LocalAppData%")}\Microsoft\Windows\Cursors\";
private static readonly string SYSTEM_PATH = $@"{Environment.ExpandEnvironmentVariables("%SystemRoot%")}\Cursors\";
private readonly ILogger logger; private readonly ILogger logger;
private readonly IRegistry registry; private readonly IRegistry registry;
@ -66,7 +69,6 @@ namespace SafeExamBrowser.Runtime.Operations
private bool VerifyCursorConfiguration() private bool VerifyCursorConfiguration()
{ {
var success = true; var success = true;
var systemPath = $@"{Environment.ExpandEnvironmentVariables("%SystemRoot%")}\Cursors\";
logger.Info($"Attempting to verify cursor configuration..."); logger.Info($"Attempting to verify cursor configuration...");
@ -75,7 +77,7 @@ namespace SafeExamBrowser.Runtime.Operations
foreach (var cursor in cursors.Where(c => !string.IsNullOrWhiteSpace(c))) foreach (var cursor in cursors.Where(c => !string.IsNullOrWhiteSpace(c)))
{ {
success &= registry.TryRead(RegistryValue.UserHive.Cursors_Key, cursor, out var value); success &= registry.TryRead(RegistryValue.UserHive.Cursors_Key, cursor, out var value);
success &= value == default || !(value is string) || (value is string path && (string.IsNullOrWhiteSpace(path) || path.StartsWith(systemPath, StringComparison.OrdinalIgnoreCase))); success &= value == default || !(value is string) || (value is string path && (string.IsNullOrWhiteSpace(path) || IsValidCursorPath(path)));
if (!success) if (!success)
{ {
@ -98,6 +100,11 @@ namespace SafeExamBrowser.Runtime.Operations
return success; return success;
} }
private bool IsValidCursorPath(string path)
{
return path.StartsWith(USER_PATH, StringComparison.OrdinalIgnoreCase) || path.StartsWith(SYSTEM_PATH, StringComparison.OrdinalIgnoreCase);
}
private bool VerifyEaseOfAccessConfiguration() private bool VerifyEaseOfAccessConfiguration()
{ {
var success = false; var success = false;