public DataSet QueryRemoteComputer(string querystring, Queryobj o)
{
string queryString = querystring; // XPATH Query
EventLogSession session = new EventLogSession(
o.IP,
o.domain,
o.username,
o.password,
SessionAuthentication.Default);
// Query the Application log on the remote computer.
EventLogQuery query = new EventLogQuery(o.logname, PathType.LogName, queryString);
query.Session = session;
try
{
EventLogReader logReader = new EventLogReader(query);
// Display event info
DisplayEventAndLogInformation(logReader);
}
catch (EventLogException e)
{
Console.WriteLine("Could not query the remote computer! " + e.Message);
}
return(data);
}
public IEnumerable <EventRecord> ReadEvents(string path, int minutes, bool reverseDirection = true)
{
string queryString =
"<QueryList>" +
$" <Query Id=\"0\" Path=\"{path}\">" +
$" <Select Path=\"{path}\">" +
$" *[System[TimeCreated[timediff(@SystemTime) <= {minutes * 60}000]]]" +
" </Select>" +
" </Query>" +
"</QueryList>";
EventLogSession session = new EventLogSession(this._computerName);
EventLogQuery query = new EventLogQuery(path, PathType.LogName, queryString)
{
Session = session,
ReverseDirection = reverseDirection
};
var result = new List <EventRecord>();
try
{
EventLogReader logReader = new EventLogReader(query);
for (EventRecord eventInstance = logReader.ReadEvent(); null != eventInstance; eventInstance = logReader.ReadEvent())
{
result.Add(eventInstance);
}
}
catch (EventLogException) { }
return(result);
}
public void QueryRemoteComputer()
{
string queryString = "*[System/Level=2]"; // XPATH Query
SecureString pw = GetPassword();
EventLogSession session = new EventLogSession(
"RemoteComputerName", // Remote Computer
"Domain", // Domain
"Username", // Username
pw,
SessionAuthentication.Default);
pw.Dispose();
// Query the Application log on the remote computer.
EventLogQuery query = new EventLogQuery("Application", PathType.LogName, queryString);
query.Session = session;
try
{
EventLogReader logReader = new EventLogReader(query);
// Display event info
DisplayEventAndLogInformation(logReader);
}
catch (EventLogException e)
{
Console.WriteLine("Could not query the remote computer! " + e.Message);
return;
}
}
//If you don't want completed tasks remove the second part in the where clause
private static List <EventRecord> GetCompletedScheduledTaskEventRecords(EventLogSession session)
{
//Below logName is very important since out windows Task Scheduler writes logs to the below
var logName = "Microsoft-Windows-TaskScheduler/Operational";
var logquery =
new EventLogQuery(logName, PathType.LogName)
{
Session = session
};
//the userId associated to the Tasks Scheduled in the Task Scheduler
var userId = "USER_ID"; //ex: S-1-5-18
//name of the task we want to get the history for
//we can remove this filtering from below to get logs for all tasks
var taskName = "NAME_OF_THE_TASK_YOU_WANT_GET_HISTORY";
//we can update the query here to only get the completed Tasks etc by
//adding the TaskID (ex: 102 is Task Completed, 201 is Action Completed)
//shown in the commented code as below
return(GetRecords(logquery, x =>
x.TimeCreated > DateTime.Today.AddDays(-2) &&
x.Properties.Select(p => p.Value).Contains(taskName)
//&& x.Id == <<TaskId>>
&& x.UserId.Value == userId
).ToList());
}
public EventLogReader GetEventLogReader(string path, string query)
{
// TODO: investigate https://docs.microsoft.com/en-us/previous-versions/windows/desktop/eventlogprov/win32-ntlogevent
var eventsQuery = new EventLogQuery(path, PathType.LogName, query)
{
ReverseDirection = true
};
if (!string.IsNullOrEmpty(ComputerName))
{
//EventLogSession session = new EventLogSession(
// ComputerName,
// "Domain", // Domain
// "Username", // Username
// pw,
// SessionAuthentication.Default); // TODO password specification! https://docs.microsoft.com/en-us/dotnet/api/system.diagnostics.eventing.reader.eventlogsession.-ctor?view=dotnet-plat-ext-3.1#System_Diagnostics_Eventing_Reader_EventLogSession__ctor_System_String_System_String_System_String_System_Security_SecureString_System_Diagnostics_Eventing_Reader_SessionAuthentication_
var session = new EventLogSession(ComputerName);
eventsQuery.Session = session;
}
var logReader = new EventLogReader(eventsQuery);
return(logReader);
}
public void ClearLog_LogExists_Success()
{
using (var session = new EventLogSession())
{
string log = "Log_" + nameof(ClearLog_LogExists_Success);
string source = "Source_" + nameof(ClearLog_LogExists_Success);
try
{
EventLog.CreateEventSource(source, log);
using (EventLog eventLog = new EventLog())
{
eventLog.Source = source;
Helpers.Retry(() => eventLog.WriteEntry("Writing to event log."));
Assert.NotEqual(0, Helpers.Retry((() => eventLog.Entries.Count)));
session.ClearLog(logName: log);
Assert.Equal(0, Helpers.Retry((() => eventLog.Entries.Count)));
}
}
finally
{
EventLog.DeleteEventSource(source);
}
session.CancelCurrentOperations();
}
}
public static List <KeyValuePair <int, string> > GetEventTasks(string computerName, IEnumerable <string> providers)
{
bool isLocal = (string.IsNullOrEmpty(computerName) || computerName == "." || computerName.Equals(Environment.MachineName, StringComparison.CurrentCultureIgnoreCase));
var ret = new Dictionary <int, string>();
try
{
using (EventLogSession session = isLocal ? new EventLogSession() : new EventLogSession(computerName))
{
foreach (var item in providers)
{
var md = new ProviderMetadata(item, session, System.Globalization.CultureInfo.CurrentUICulture);
foreach (var t in md.Tasks)
{
if (!ret.ContainsKey(t.Value))
{
ret.Add(t.Value, t.DisplayName);
}
}
}
}
}
catch { }
return(new List <KeyValuePair <int, string> >(ret));
}
public static object[] GetEventLogDisplayObjects(string computerName, bool filterForTasks = true)
{
var ret = new List <ELObj>();
try
{
using (EventLogSession session = GetEventLogSession(computerName))
{
foreach (var s in session.GetLogNames())
{
try
{
var cfg = new EventLogConfiguration(s, session);
if (!filterForTasks || IsValidTaskLog(cfg))
{
ret.Add(new ELObj(session.GetLogDisplayName(s), s));
}
}
catch (Exception e) { System.Diagnostics.Debug.WriteLine($"Couldn't get display name for event log '{s}': {e.Message}"); }
}
ret.Sort();
}
}
catch { }
return(ret.ToArray());
}
public static string QueryRemoteComputer(string username, string domain, string dc, string dauser, string dapass)
{
string queryString = "*[System[(EventID=4624)] and EventData[Data[@Name='TargetUserName']='******']]"; // XPATH Query
SecureString pw = GetPassword(dapass);
EventLogSession session = new EventLogSession(
dc, // Remote Computer
domain, // Domain
dauser, // Username
pw,
SessionAuthentication.Default);
pw.Dispose();
// Query the Application log on the remote computer.
EventLogQuery query = new EventLogQuery("Security", PathType.LogName, queryString);
query.Session = session;
EventLogReader reader = new EventLogReader(query);
EventRecord eventRecord;
string result = String.Empty;
while ((eventRecord = reader.ReadEvent()) != null)
{
result = eventRecord.FormatDescription();
}
// Display event info
return(result);
}
private void LoadProvider()
{
if (string.IsNullOrEmpty(this.providerName))
{
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, this._resourceMgr.GetString("ProviderNotSpecified"), new object[0]), "ProviderName");
}
using (EventLogSession session = new EventLogSession())
{
foreach (string str in session.GetProviderNames())
{
if (string.Equals(str, this.providerName, StringComparison.OrdinalIgnoreCase))
{
try
{
this.providerMetadata = new ProviderMetadata(str);
goto Label_00D2;
}
catch (EventLogException exception)
{
throw new Exception(string.Format(CultureInfo.InvariantCulture, this._resourceMgr.GetString("ProviderMetadataUnavailable"), new object[] { str, exception.Message }), exception);
}
}
}
}
Label_00D2:
if (this.providerMetadata == null)
{
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, this._resourceMgr.GetString("NoProviderFound"), new object[] { this.providerName }));
}
}
public static string ExtractLogByPeriod(string directoryFullPath, string clientCode, int hourFromNow)
{
string query = "*[System[TimeCreated[@SystemTime >= '" + DateTime.Now.AddHours(-1 * hourFromNow).ToUniversalTime().ToString("o") + "']]]";
// "(Provider/@Name=\"AD FS 2.0 Auditing\") and " +
// "(TimeCreated/@SystemTime <= \"" + toDate.ToString("yyyy-MM-ddTHH:mm:ss") + "\") and " +
//"(TimeCreated/@SystemTime >= " + DateTime.Now.AddHours(-10).ToString("o") + ")" +
//"]]";
//" and (TimeCreated/@SystemTime <= " + toDate.Ticks + ")]]";
//" and TimeCreated[timediff(@SystemTime) <= 86400000]]]";
string eventLogFile = clientCode + ".EventLog." + DateTime.Now.ToString("yyyy-MM-dd-HH-mm-ss", new CultureInfo("en-AU"));
if (!Directory.Exists(directoryFullPath))
{
Directory.CreateDirectory(directoryFullPath);
}
string fileNameWithFullPath = (directoryFullPath + @"\" + eventLogFile + ".evtx").Replace(@"\\", @"\");
using (var logSession = new EventLogSession())
{
if (File.Exists(fileNameWithFullPath))
{
File.Delete(fileNameWithFullPath);
}
logSession.ExportLogAndMessages("System", PathType.LogName, query, fileNameWithFullPath, true, CultureInfo.CurrentCulture);
}
return(fileNameWithFullPath);
}
public static List <EventLogConfiguration> GetEventLogs(string computerName, bool filterForTasks = true)
{
var ret = new List <EventLogConfiguration>();
try
{
using (EventLogSession session = GetEventLogSession(computerName))
{
foreach (var s in session.GetLogNames())
{
try
{
var cfg = new EventLogConfiguration(s, session);
if (!filterForTasks || IsValidTaskLog(cfg))
{
ret.Add(cfg);
}
}
catch (Exception e) { System.Diagnostics.Debug.WriteLine($"Couldn't get config for event log '{s}': {e.Message}"); }
}
}
}
catch { }
return(ret);
}
public static void ExtractLog(string query, string dirName, string fileName)
{
string fileNameFullPath = string.Empty;
try
{
//query = "*[System[TimeCreated[@SystemTime >= '" + DateTime.Now.AddHours(-1).ToUniversalTime().ToString("o") + "']]]";
// "(Provider/@Name=\"AD FS 2.0 Auditing\") and " +
// "(TimeCreated/@SystemTime <= \"" + toDate.ToString("yyyy-MM-ddTHH:mm:ss") + "\") and " +
//"(TimeCreated/@SystemTime >= " + DateTime.Now.AddHours(-10).ToString("o") + ")" +
//"]]";
//" and (TimeCreated/@SystemTime <= " + toDate.Ticks + ")]]";
//" and TimeCreated[timediff(@SystemTime) <= 86400000]]]";
fileNameFullPath = (dirName + @"\" + fileName).Replace(@"\\", @"\");
//query = "*";
if (File.Exists(fileNameFullPath))
{
File.Delete(fileNameFullPath);
}
using (var logSession = new EventLogSession())
{
logSession.ExportLogAndMessages("Application", PathType.LogName, query, fileNameFullPath, true, CultureInfo.CurrentCulture);
logSession.Dispose();
}
}
catch (Exception ex)
{
throw new RMSAppException("ExtractLog failed. " + ex.Message, ex, false);
}
}
protected /*override*/ void OnStart(string[] args)
{
var remoteComputer = null;
var domain = null;
var password = null;
var userName = null;
EventLogSession session = new EventLogSession(
remoteComputer, // Remote Computer
domain, // Domain
userName, // Username
password,
SessionAuthentication.Default);
String xpath = "*[System[EventID=4624 or EventID=4634]]";
var query = new EventLogQuery("Security", PathType.LogName, xpath);
query.Session = session;
var watcher = new EventLogWatcher(query);
watcher.EventRecordWritten += OnEntryWritten;
watcher.Enabled = true;
}
private static bool remote_event_log_exists(string log, string remote_machine_name, string remote_domain_name, string remote_user_name, string remote_password_name)
{
try {
SecureString pwd = new SecureString();
foreach (char c in remote_password_name)
{
pwd.AppendChar(c);
}
EventLogSession session = remote_machine_name.Trim() != ""
? new EventLogSession(remote_machine_name, remote_domain_name, remote_user_name, pwd, SessionAuthentication.Default)
: null;
pwd.Dispose();
EventLogQuery query = new EventLogQuery(log, PathType.LogName);
if (session != null)
{
query.Session = session;
}
EventLogReader reader = new EventLogReader(query);
if (reader.ReadEvent(TimeSpan.FromMilliseconds(500)) != null)
{
return(true);
}
} catch (Exception e) {
logger.Error("can't login " + e.Message);
}
return(false);
}
public void SetProperties_SaveChanges_NotAdmin_Throws()
{
const string LogName = "Application";
using (var session = new EventLogSession())
{
EventLogConfiguration configuration = null;
try
{
configuration = new EventLogConfiguration(LogName, session);
}
catch (EventLogNotFoundException)
{
configuration?.Dispose();
return;
}
configuration.IsEnabled = false;
configuration.SecurityDescriptor = string.Empty;
configuration.LogFilePath = null;
configuration.LogMode = EventLogMode.Retain;
configuration.ProviderLevel = 1;
configuration.ProviderKeywords = 1;
configuration.MaximumSizeInBytes = long.MaxValue;
Assert.Throws <UnauthorizedAccessException>(() => configuration.SaveChanges());
configuration.Dispose();
session.CancelCurrentOperations();
}
}
private void LoadProvider()
{
if (string.IsNullOrEmpty(_providerName))
{
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, _resourceMgr.GetString("ProviderNotSpecified")), "ProviderName");
}
using (EventLogSession session = new EventLogSession())
{
foreach (string providerName in session.GetProviderNames())
{
if (string.Equals(providerName, _providerName, StringComparison.OrdinalIgnoreCase))
{
try
{
_providerMetadata = new ProviderMetadata(providerName);
}
catch (EventLogException exc)
{
string msg = string.Format(CultureInfo.InvariantCulture, _resourceMgr.GetString("ProviderMetadataUnavailable"), providerName, exc.Message);
throw new Exception(msg, exc);
}
break;
}
}
}
if (_providerMetadata == null)
{
string msg = string.Format(CultureInfo.InvariantCulture, _resourceMgr.GetString("NoProviderFound"), _providerName);
throw new ArgumentException(msg);
}
}
private void querySecHistoricLocalServerEvents()
{
Thread thloadSecH = new Thread(() =>
{
Thread.CurrentThread.Name = "thloadSecH";
TimeSpan span = DateTime.UtcNow.Subtract(DateTime.UtcNow.AddDays(-1));
string queryString = "<QueryList>" +
@"<Query Id = ""0"" Path = ""ForwardedEvents"">" +
@"<Select Path = ""ForwardedEvents""> *[System[(EventID=4740) and TimeCreated[timediff(@SystemTime) <= " + span.TotalMilliseconds + "]]]</Select>" +
@"</Query>" +
@"</QueryList>";
SecureString pw = new SecureString();
foreach (char c in frmMain.domainAccountData[2])
{
pw.AppendChar(c);
}
EventLogSession session = new EventLogSession("corp1042", frmMain.domainAccountData[0], frmMain.domainAccountData[1], pw, SessionAuthentication.Default);
pw.Dispose();
// Query the Application log on the remote computer.
EventLogQuery query = new EventLogQuery("ForwardedEvents", PathType.LogName, queryString);
query.Session = session;
try
{
EventLogReader logReader = new EventLogReader(query);
DisplayEventAndLogInformation(logReader);
}
catch (EventLogException ex)
{
Console.WriteLine("Could not query the remote computer! " + ex.Message);
return;
}
session.Dispose();
try
{
this.Invoke((MethodInvoker) delegate
{
pBoxProgressSecH.Visible = false;
});
}
catch { Thread.CurrentThread.Abort(); }
});
string nOFDays;
int nOFDaysInt;
nOFDays = txtBoxDays.Text;
if (int.TryParse(nOFDays, out nOFDaysInt))
{
pBoxProgressSecH.Visible = true;
thloadSecH.Start();
}
else
{
MessageBox.Show("Please enter only Numbers on field: Days", "Information!", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
private void check_log(string name)
{
try {
SecureString pwd = new SecureString();
foreach (char c in remote_passw_)
{
pwd.AppendChar(c);
}
EventLogSession session = remote_machine_name_ != "" ? new EventLogSession(remote_machine_name_, remote_domain_, remote_username_, pwd, SessionAuthentication.Default) : null;
pwd.Dispose();
string query_string = "*";
EventLogQuery query = new EventLogQuery(name, PathType.LogName, query_string);
using (EventLogReader reader = new EventLogReader(query))
for (EventRecord rec = reader.ReadEvent(); rec != null; rec = reader.ReadEvent())
{
lock (this)
--log_names_[name];
}
} catch (Exception e) {
logger.Error("error checking log " + name + " on " + remote_machine_name_ + " : " + e.Message);
}
// mark log as fully read
lock (this) {
log_names_[name] = -log_names_[name];
if (log_names_[name] == 0)
{
// convention - 0 entries
log_names_[name] = int.MinValue;
}
}
}
public static void Export(string path)
{
using (var log = new EventLogSession())
{
log.ExportLogAndMessages("Application", PathType.LogName, Query, path);
}
}
public static DataTable SearchEventLogsForLockouts(string[] DomainControllers, DateTime LastScan)
{
DataTable table = new DataTable(); //Build a table to house the results
table.Columns.Add("Date", typeof(DateTime));
table.Columns.Add("User");
table.Columns.Add("Machine");
table.Columns.Add("DC");
foreach (string dc in DomainControllers)
{
EventLogQuery eventsQuery = new EventLogQuery("Security", PathType.LogName, "*[System/EventID=4740]"); //Create an eventlog query to find 4740 events in the security log
EventLogSession session = new EventLogSession(dc); //Create an eventlog session on the target machine
eventsQuery.Session = session; //Invoke the session
try
{
EventLogReader logReader = new EventLogReader(eventsQuery); //start the eventlog reader
for (EventRecord eventdetail = logReader.ReadEvent(); eventdetail != null; eventdetail = logReader.ReadEvent()) //foreach the results of the reader
{
if (eventdetail.TimeCreated > LastScan) //find entries newer than the date specified
{
table.Rows.Add(eventdetail.TimeCreated, eventdetail.Properties[0].Value, eventdetail.Properties[1].Value, eventdetail.MachineName); //add the specific columns to the table
}
}
}
catch { }
}
return(table); //return the table
}
public static void ExtractLog(string query, string dirName, string fileName, string serverName, string domainName, string userName, string password)
{
string fileNameFullPath = string.Empty;
try
{
fileNameFullPath = (dirName + @"\" + fileName).Replace(@"\\", @"\");
//query = "*";
if (File.Exists(fileNameFullPath))
{
File.Delete(fileNameFullPath);
}
var secureString = new SecureString();
password.ToCharArray().ToList().ForEach(p => secureString.AppendChar(p));
using (var logSession = new EventLogSession(serverName, domainName, userName, secureString, SessionAuthentication.Default))
{
logSession.ExportLogAndMessages("Application", PathType.LogName, query, fileNameFullPath, true, CultureInfo.CurrentCulture);
logSession.Dispose();
}
}
catch (Exception ex)
{
throw new RMSAppException("ExtractLog failed. " + ex.Message, ex, false);
}
}
static void Main(string[] args)
{
{
Console.Out.WriteLine("Available Logs:");
var session = new EventLogSession();
foreach (var log in session.GetLogNames())
{
Console.Out.WriteLine(" " + log);
}
Console.Out.WriteLine();
}
if (!EventLog.SourceExists("TestEventLog"))
{
EventSourceCreationData eventSourceData = new EventSourceCreationData("TestEventLog", "TestEventLog");
EventLog.CreateEventSource(eventSourceData);
}
using (var testEventLogListener = new Listener("TestEventLog", "*"))
using (var applicationListener = new Listener("Application", "*"))
using (var testEventLogger = new EventLog("TestEventLog", ".", "TestEventLog"))
using (var timer = new System.Threading.Timer(
_ => testEventLogger.WriteEntry("Test message", EventLogEntryType.Information),
null,
TimeSpan.FromSeconds(1),
TimeSpan.FromSeconds(1)
))
{
while (Console.ReadLine().Trim().ToLower() != "exit")
{
Console.WriteLine(" exit↵ to Exit");
}
}
}
public static void Main(string[] args)
{
//Establish a connection to the Event Log Session for the given computer name
var computerName = "<<NAME_OF_YOUR_COMPUTER>>"; //name of your computer
using (var session = new EventLogSession(computerName))
{
//getting the list of event logs from the session
var result = GetCompletedScheduledTaskEventRecords(session);
//Filtering the data more and getting what ever is required, you can change this code
//to get more information or in a different format
var response = result
.OrderByDescending(x => x.TimeCreated)
.Select(r => new
{
EventId = r.Id,
Publisher = r.ProviderName,
CompletedTime = r.TimeCreated,
r.TaskDisplayName,
Props = string.Join(" | ", r.Properties.Select(p => p.Value))
}).ToList();
//Writing the response to a text file, with a delimiter which I then exported to Excel
string fileName = "PATH_TO_FILE_TO_WRITE_THE_LOGS.TXT";
using (var fs = new StreamWriter(fileName))
{
foreach (var item in response)
{
fs.WriteLine(item.EventId + "||" + item.TaskDisplayName + "||" + item.CompletedTime + "||" + item.Props);
}
}
}
}
public void GetLogInformation_UsingLogName_DoesNotThrow(string logName)
{
using (var session = new EventLogSession())
{
EventLogConfiguration configuration;
try
{
configuration = new EventLogConfiguration(logName, session);
}
catch (EventLogNotFoundException)
{
throw new SkipTestException(nameof(EventLogNotFoundException));
}
using (configuration)
{
EventLogInformation logInfo = session.GetLogInformation(configuration.LogName, PathType.LogName);
Assert.Equal(logInfo.CreationTime, logInfo.CreationTime);
Assert.Equal(logInfo.LastAccessTime, logInfo.LastAccessTime);
Assert.Equal(logInfo.LastWriteTime, logInfo.LastWriteTime);
Assert.Equal(logInfo.FileSize, logInfo.FileSize);
Assert.Equal(logInfo.Attributes, logInfo.Attributes);
Assert.Equal(logInfo.RecordCount, logInfo.RecordCount);
Assert.Equal(logInfo.OldestRecordNumber, logInfo.OldestRecordNumber);
Assert.Equal(logInfo.IsLogFull, logInfo.IsLogFull);
}
}
}
public IEnumerable <XElement> ProvideInfo(XElement root)
{
foreach (var element in root.Elements("Log"))
{
var name = (string)element.Attribute("Name");
var filename = (string)element.Attribute("Filename");
var query = (string)element.Attribute("Query") ?? "*";
var temp = Path.GetTempPath();
var success = false;
try
{
using (var session = new EventLogSession())
{
session.ExportLogAndMessages(name, PathType.LogName, query, temp + filename);
}
_host.AddFile(temp + filename, filename, true);
success = true;
}
catch (Exception ex)
{
_log.Warn($"Error: {ex.Message}");
continue;
}
if (success)
{
yield return(new XElement("Log",
new XAttribute("Name", name),
new XAttribute("Filename", filename),
new XAttribute("Query", query)));
}
}
}
public void GetPropertyValues_MatchProviderIdUsingProviderMetadata_Success()
{
Dictionary <string, Guid> providerNameAndIds = new Dictionary <string, Guid>();
string logName = "Application";
string queryString = "*[System/Level=4]";
var xPathEnum = new List <string>()
{
"Event/System/EventID", "Event/System/Provider/@Name"
};
var logPropertyContext = new EventLogPropertySelector(xPathEnum);
var eventsQuery = new EventLogQuery(logName, PathType.LogName, queryString);
try
{
using (var logReader = new EventLogReader(eventsQuery))
{
for (EventLogRecord eventRecord = (EventLogRecord)logReader.ReadEvent();
eventRecord != null;
eventRecord = (EventLogRecord)logReader.ReadEvent())
{
IList <object> logEventProps;
logEventProps = eventRecord.GetPropertyValues(logPropertyContext);
int eventId;
Assert.True(int.TryParse(string.Format("{0}", logEventProps[0]), out eventId));
string providerName = (string)logEventProps[1];
if (!providerNameAndIds.ContainsKey(providerName) && eventRecord.ProviderId.HasValue)
{
providerNameAndIds.Add(providerName, eventRecord.ProviderId.Value);
}
}
}
}
catch (EventLogNotFoundException) { }
if (providerNameAndIds.Count > 0)
{
using (var session = new EventLogSession())
{
foreach (var nameAndId in providerNameAndIds)
{
ProviderMetadata providerMetadata = null;
try
{
providerMetadata = new ProviderMetadata(nameAndId.Key);
Assert.Equal(providerMetadata.Id, nameAndId.Value);
}
catch (EventLogException)
{
continue;
}
finally
{
providerMetadata?.Dispose();
}
}
}
}
}
public void ProviderNameTests(bool noProviderName)
{
string log = "Application";
string source = "Source_" + nameof(ProviderNameTests);
using (var session = new EventLogSession())
{
try
{
EventLog.CreateEventSource(source, log);
string providerName = noProviderName ? "" : source;
using (var providerMetadata = new ProviderMetadata(providerName))
{
Assert.Null(providerMetadata.DisplayName);
Assert.Equal(providerName, providerMetadata.Name);
Assert.Equal(new Guid(), providerMetadata.Id);
Assert.Empty(providerMetadata.Events);
Assert.Empty(providerMetadata.Keywords);
Assert.Empty(providerMetadata.Levels);
Assert.Empty(providerMetadata.Opcodes);
Assert.Empty(providerMetadata.Tasks);
Assert.NotEmpty(providerMetadata.LogLinks);
if (!string.IsNullOrEmpty(providerName))
{
foreach (var logLink in providerMetadata.LogLinks)
{
Assert.True(logLink.IsImported);
Assert.Equal(log, logLink.LogName);
Assert.NotEmpty(logLink.DisplayName);
if (CultureInfo.CurrentCulture.Name.Split('-')[0] == "en")
{
Assert.Equal("Application", logLink.DisplayName);
}
else if (CultureInfo.CurrentCulture.Name.Split('-')[0] == "es")
{
Assert.Equal("Aplicación", logLink.DisplayName);
}
}
Assert.Contains("EventLogMessages.dll", providerMetadata.MessageFilePath);
Assert.Contains("EventLogMessages.dll", providerMetadata.HelpLink.ToString());
}
else
{
Assert.Null(providerMetadata.MessageFilePath);
Assert.Null(providerMetadata.HelpLink);
}
Assert.Null(providerMetadata.ResourceFilePath);
Assert.Null(providerMetadata.ParameterFilePath);
}
}
finally
{
EventLog.DeleteEventSource(source);
}
session.CancelCurrentOperations();
}
}
public void ResolveLocalEventsWorks()
{
// Arrange
var session = new EventLogSession();
var providers = new List <string>(session.GetProviderNames().Distinct().OrderBy(name => name));
// Act
var providerData = new Dictionary <string, ProviderDetails>();
foreach (var providerName in providers)
{
var p = new EventMessageProvider(providerName, _output.WriteLine);
providerData.Add(providerName, p.LoadProviderDetails());
}
var reader = new EventLogReader("Application", PathType.LogName)
{
BatchSize = 1000
};
EventRecord evt;
var found = 0;
var notfound = 0;
var total = 0;
while (null != (evt = reader.ReadEvent()))
{
total += 1;
if (!providerData.TryGetValue(evt.ProviderName, out var provider))
{
_output.WriteLine("Could not find provider: " + evt.ProviderName);
continue;
}
if (provider.Events?.FirstOrDefault(e => e.Id == evt.Id) == null)
{
if (provider.Messages.FirstOrDefault(m => m.RawId == evt.Id) == null)
{
if (provider.Messages.FirstOrDefault(m => m.ShortId == evt.Id) == null)
{
notfound += 1;
_output.WriteLine($"Could not find event matching id {evt.Id} for provider {evt.ProviderName}");
}
}
}
found += 1;
}
_output.WriteLine($"Total: {total}");
_output.WriteLine($"Found: {found}");
_output.WriteLine($"Not found: {notfound}");
// Assert
// Must find at least 90% to pass this test
Assert.True(found > total * .9);
}
/// <summary>
/// Gets provider data for the specified provider.
/// </summary>
/// <param name="providerName">The name of the provider.</param>
/// <returns>A String with info.</returns>
public static String getEventProvider(String providerName)
{
EventLogSession session = new EventLogSession();
String providerMessageFilePath = String.Empty;
String providerParameterFilePath = String.Empty;
String providerResourceFileName = String.Empty;
String providerHelpLink = String.Empty;
String providerDisplayName = String.Empty;
//IList<EventLogLink> eventLogLinks = null;
StringBuilder sb = new StringBuilder();
try {
sb.AppendLine("Provider: " + providerName);
ProviderMetadata metaData = new ProviderMetadata(providerName, //Provider name to look up
session, //The session
CultureInfo.CurrentCulture); //Culture of active thread
if (metaData != null)
{
providerDisplayName = metaData.DisplayName; //Display Name of the provider
if (metaData.HelpLink != null)
{
providerHelpLink = metaData.HelpLink.ToString(); //Link to external help on event
}
providerMessageFilePath = metaData.MessageFilePath; //Source of provider metadata
providerParameterFilePath = metaData.ParameterFilePath; //Source of provider metadata
providerResourceFileName = metaData.ResourceFilePath; //Resource with provider metadata
//eventLogLinks = metaData.LogLinks;
}
//sb.AppendLine("HelpLink: " + providerHelpLink);
//sb.AppendLine("MessageFilePath: " + providerMessageFilePath);
//sb.AppendLine("ParameterFilePath: " + providerParameterFilePath);
//sb.AppendLine("ResourceFilePath: " + providerResourceFileName);
sb.AppendLine();
sb.AppendLine("This provider has the following logs:");
foreach (EventLogLink eventLink in metaData.LogLinks)
{
sb.AppendLine(SEPARATOR_LINE);
sb.AppendFormat("Display Name: {0}" + LF, eventLink.DisplayName);
sb.AppendFormat("LogName: {0}" + LF, eventLink.LogName);
}
sb.AppendLine(SEPARATOR_LINE);
sb.AppendLine();
sb.AppendLine("This provider publishes the following events:");
foreach (EventMetadata eventData in metaData.Events)
{
sb.AppendLine(SEPARATOR_LINE);
sb.AppendLine("Event ID " + eventData.Id);
sb.AppendLine(eventData.Description);
}
sb.AppendLine(SEPARATOR_LINE);
} catch (Exception ex) {
sb.Append(excMsgLocal("Error in getEventProviders", ex));
}
return(sb.ToString());
}
public EventLogQuery(string path, PathType pathType, string query)
{
_session = EventLogSession.GlobalSession;
_path = path; // can be null
_pathType = pathType;
if (query == null)
{
if (path == null)
throw new ArgumentNullException("path");
}
else
{
_query = query;
}
}
internal EventLogInformation(EventLogSession session, string channelName, PathType pathType)
{
EventLogHandle logHandle = NativeWrapper.EvtOpenLog(session.Handle, channelName, pathType);
using (logHandle)
{
_creationTime = (DateTime?)NativeWrapper.EvtGetLogInfo(logHandle, UnsafeNativeMethods.EvtLogPropertyId.EvtLogCreationTime);
_lastAccessTime = (DateTime?)NativeWrapper.EvtGetLogInfo(logHandle, UnsafeNativeMethods.EvtLogPropertyId.EvtLogLastAccessTime);
_lastWriteTime = (DateTime?)NativeWrapper.EvtGetLogInfo(logHandle, UnsafeNativeMethods.EvtLogPropertyId.EvtLogLastWriteTime);
_fileSize = (long?)((ulong?)NativeWrapper.EvtGetLogInfo(logHandle, UnsafeNativeMethods.EvtLogPropertyId.EvtLogFileSize));
_fileAttributes = (int?)((uint?)NativeWrapper.EvtGetLogInfo(logHandle, UnsafeNativeMethods.EvtLogPropertyId.EvtLogAttributes));
_recordCount = (long?)((ulong?)NativeWrapper.EvtGetLogInfo(logHandle, UnsafeNativeMethods.EvtLogPropertyId.EvtLogNumberOfLogRecords));
_oldestRecordNumber = (long?)((ulong?)NativeWrapper.EvtGetLogInfo(logHandle, UnsafeNativeMethods.EvtLogPropertyId.EvtLogOldestRecordNumber));
_isLogFull = (bool?)NativeWrapper.EvtGetLogInfo(logHandle, UnsafeNativeMethods.EvtLogPropertyId.EvtLogFull);
}
}
