File size: 40,653 Bytes
8c763fb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 | // Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
using System.Diagnostics.Eventing.Reader;
using System.Runtime.InteropServices;
using System.Security;
using System.Text;
namespace System.Diagnostics.Eventing
{
internal static class UnsafeNativeMethods
{
private const string FormatMessageDllName = "api-ms-win-core-localization-l1-2-0.dll";
private const string EventProviderDllName = "api-ms-win-eventing-provider-l1-1-0.dll";
private const string WEVTAPI = "wevtapi.dll";
private static readonly IntPtr s_NULL = IntPtr.Zero;
// WinError.h codes:
internal const int ERROR_SUCCESS = 0x0;
internal const int ERROR_FILE_NOT_FOUND = 0x2;
internal const int ERROR_PATH_NOT_FOUND = 0x3;
internal const int ERROR_ACCESS_DENIED = 0x5;
internal const int ERROR_INVALID_HANDLE = 0x6;
// Can occurs when filled buffers are trying to flush to disk, but disk IOs are not fast enough.
// This happens when the disk is slow and event traffic is heavy.
// Eventually, there are no more free (empty) buffers and the event is dropped.
internal const int ERROR_NOT_ENOUGH_MEMORY = 0x8;
internal const int ERROR_INVALID_DRIVE = 0xF;
internal const int ERROR_NO_MORE_FILES = 0x12;
internal const int ERROR_NOT_READY = 0x15;
internal const int ERROR_BAD_LENGTH = 0x18;
internal const int ERROR_SHARING_VIOLATION = 0x20;
internal const int ERROR_LOCK_VIOLATION = 0x21; // 33
internal const int ERROR_HANDLE_EOF = 0x26; // 38
internal const int ERROR_FILE_EXISTS = 0x50;
internal const int ERROR_INVALID_PARAMETER = 0x57; // 87
internal const int ERROR_BROKEN_PIPE = 0x6D; // 109
internal const int ERROR_INSUFFICIENT_BUFFER = 0x7A; // 122
internal const int ERROR_INVALID_NAME = 0x7B;
internal const int ERROR_BAD_PATHNAME = 0xA1;
internal const int ERROR_ALREADY_EXISTS = 0xB7;
internal const int ERROR_ENVVAR_NOT_FOUND = 0xCB;
internal const int ERROR_FILENAME_EXCED_RANGE = 0xCE; // filename too long
internal const int ERROR_PIPE_BUSY = 0xE7; // 231
internal const int ERROR_NO_DATA = 0xE8; // 232
internal const int ERROR_PIPE_NOT_CONNECTED = 0xE9; // 233
internal const int ERROR_MORE_DATA = 0xEA;
internal const int ERROR_NO_MORE_ITEMS = 0x103; // 259
internal const int ERROR_PIPE_CONNECTED = 0x217; // 535
internal const int ERROR_PIPE_LISTENING = 0x218; // 536
internal const int ERROR_OPERATION_ABORTED = 0x3E3; // 995; For IO Cancellation
internal const int ERROR_IO_PENDING = 0x3E5; // 997
internal const int ERROR_NOT_FOUND = 0x490; // 1168
// The event size is larger than the allowed maximum (64k - header).
internal const int ERROR_ARITHMETIC_OVERFLOW = 0x216; // 534
internal const int ERROR_RESOURCE_LANG_NOT_FOUND = 0x717; // 1815
// Event log specific codes:
internal const int ERROR_EVT_MESSAGE_NOT_FOUND = 15027;
internal const int ERROR_EVT_MESSAGE_ID_NOT_FOUND = 15028;
internal const int ERROR_EVT_UNRESOLVED_VALUE_INSERT = 15029;
internal const int ERROR_EVT_UNRESOLVED_PARAMETER_INSERT = 15030;
internal const int ERROR_EVT_MAX_INSERTS_REACHED = 15031;
internal const int ERROR_EVT_MESSAGE_LOCALE_NOT_FOUND = 15033;
internal const int ERROR_MUI_FILE_NOT_FOUND = 15100;
// ErrorCode & format
// for win32 error message formatting
private const int FORMAT_MESSAGE_IGNORE_INSERTS = 0x00000200;
private const int FORMAT_MESSAGE_FROM_SYSTEM = 0x00001000;
private const int FORMAT_MESSAGE_ARGUMENT_ARRAY = 0x00002000;
[DllImport(FormatMessageDllName, CharSet = CharSet.Unicode, BestFitMapping = false)]
[SecurityCritical]
internal static extern int FormatMessage(int dwFlags, IntPtr lpSource,
int dwMessageId, int dwLanguageId, StringBuilder lpBuffer,
int nSize, IntPtr va_list_arguments);
// Gets an error message for a Win32 error code.
[SecurityCritical]
internal static string GetMessage(int errorCode)
{
StringBuilder sb = new(512);
int result = UnsafeNativeMethods.FormatMessage(FORMAT_MESSAGE_IGNORE_INSERTS |
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ARGUMENT_ARRAY,
UnsafeNativeMethods.s_NULL, errorCode, 0, sb, sb.Capacity, UnsafeNativeMethods.s_NULL);
if (result != 0)
{
// result is the # of characters copied to the StringBuilder on NT,
// but on Win9x, it appears to be the number of MBCS buffer.
// Just give up and return the String as-is...
string s = sb.ToString();
return s;
}
else
{
return "UnknownError_Num " + errorCode;
}
}
// ETW Methods
// Callback
[SecurityCritical]
internal unsafe delegate void EtwEnableCallback(
[In] ref Guid sourceId,
[In] int isEnabled,
[In] byte level,
[In] long matchAnyKeywords,
[In] long matchAllKeywords,
[In] void* filterData,
[In] void* callbackContext
);
// Registration APIs
[DllImport(EventProviderDllName, ExactSpelling = true, EntryPoint = "EventRegister", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
[SecurityCritical]
internal static extern unsafe uint EventRegister(
[In] in Guid providerId,
[In] EtwEnableCallback enableCallback,
[In] void* callbackContext,
[In][Out] ref long registrationHandle
);
[DllImport(EventProviderDllName, ExactSpelling = true, EntryPoint = "EventUnregister", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
[SecurityCritical]
internal static extern int EventUnregister([In] long registrationHandle);
// Control (Is Enabled) APIs
[DllImport(EventProviderDllName, ExactSpelling = true, EntryPoint = "EventEnabled", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
[SecurityCritical]
internal static extern int EventEnabled([In] long registrationHandle, [In] in System.Diagnostics.Eventing.EventDescriptor eventDescriptor);
[DllImport(EventProviderDllName, ExactSpelling = true, EntryPoint = "EventProviderEnabled", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
[SecurityCritical]
internal static extern int EventProviderEnabled([In] long registrationHandle, [In] byte level, [In] long keywords);
// Writing (Publishing/Logging) APIs
[DllImport(EventProviderDllName, ExactSpelling = true, EntryPoint = "EventWrite", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
[SecurityCritical]
internal static extern unsafe uint EventWrite(
[In] long registrationHandle,
[In] in EventDescriptor eventDescriptor,
[In] uint userDataCount,
[In] void* userData
);
// Writing (Publishing/Logging) APIs
[DllImport(EventProviderDllName, ExactSpelling = true, EntryPoint = "EventWrite", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
[SecurityCritical]
internal static extern unsafe uint EventWrite(
[In] long registrationHandle,
[In] EventDescriptor* eventDescriptor,
[In] uint userDataCount,
[In] void* userData
);
[DllImport(EventProviderDllName, ExactSpelling = true, EntryPoint = "EventWriteTransfer", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
[SecurityCritical]
internal static extern unsafe uint EventWriteTransfer(
[In] long registrationHandle,
[In] in EventDescriptor eventDescriptor,
[In] Guid* activityId,
[In] Guid* relatedActivityId,
[In] uint userDataCount,
[In] void* userData
);
[DllImport(EventProviderDllName, ExactSpelling = true, EntryPoint = "EventWriteString", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
[SecurityCritical]
internal static extern unsafe uint EventWriteString(
[In] long registrationHandle,
[In] byte level,
[In] long keywords,
[In] char* message
);
// ActivityId Control APIs
[DllImport(EventProviderDllName, ExactSpelling = true, EntryPoint = "EventActivityIdControl", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
[SecurityCritical]
internal static extern unsafe uint EventActivityIdControl([In] int ControlCode, [In][Out] ref Guid ActivityId);
// EventLog
[Flags]
internal enum EvtQueryFlags
{
EvtQueryChannelPath = 0x1,
EvtQueryFilePath = 0x2,
EvtQueryForwardDirection = 0x100,
EvtQueryReverseDirection = 0x200,
EvtQueryTolerateQueryErrors = 0x1000
}
/// <summary>
/// Evt Variant types.
/// </summary>
internal enum EvtVariantType
{
EvtVarTypeNull = 0,
EvtVarTypeString = 1,
EvtVarTypeAnsiString = 2,
EvtVarTypeSByte = 3,
EvtVarTypeByte = 4,
EvtVarTypeInt16 = 5,
EvtVarTypeUInt16 = 6,
EvtVarTypeInt32 = 7,
EvtVarTypeUInt32 = 8,
EvtVarTypeInt64 = 9,
EvtVarTypeUInt64 = 10,
EvtVarTypeSingle = 11,
EvtVarTypeDouble = 12,
EvtVarTypeBoolean = 13,
EvtVarTypeBinary = 14,
EvtVarTypeGuid = 15,
EvtVarTypeSizeT = 16,
EvtVarTypeFileTime = 17,
EvtVarTypeSysTime = 18,
EvtVarTypeSid = 19,
EvtVarTypeHexInt32 = 20,
EvtVarTypeHexInt64 = 21,
// these types used internally
EvtVarTypeEvtHandle = 32,
EvtVarTypeEvtXml = 35,
// Array = 128
EvtVarTypeStringArray = 129,
EvtVarTypeUInt32Array = 136
}
internal enum EvtMasks
{
EVT_VARIANT_TYPE_MASK = 0x7f,
EVT_VARIANT_TYPE_ARRAY = 128
}
[StructLayout(LayoutKind.Sequential)]
internal struct SystemTime
{
[MarshalAs(UnmanagedType.U2)]
public short Year;
[MarshalAs(UnmanagedType.U2)]
public short Month;
[MarshalAs(UnmanagedType.U2)]
public short DayOfWeek;
[MarshalAs(UnmanagedType.U2)]
public short Day;
[MarshalAs(UnmanagedType.U2)]
public short Hour;
[MarshalAs(UnmanagedType.U2)]
public short Minute;
[MarshalAs(UnmanagedType.U2)]
public short Second;
[MarshalAs(UnmanagedType.U2)]
public short Milliseconds;
}
[StructLayout(LayoutKind.Explicit, CharSet = CharSet.Unicode)]
[SecurityCritical]
internal struct EvtVariant
{
[FieldOffset(0)]
public uint UInteger;
[FieldOffset(0)]
public int Integer;
[FieldOffset(0)]
public byte UInt8;
[FieldOffset(0)]
public short Short;
[FieldOffset(0)]
public ushort UShort;
[FieldOffset(0)]
public uint Bool;
[FieldOffset(0)]
public byte ByteVal;
[FieldOffset(0)]
public byte SByte;
[FieldOffset(0)]
public ulong ULong;
[FieldOffset(0)]
public long Long;
[FieldOffset(0)]
public float Single;
[FieldOffset(0)]
public double Double;
[FieldOffset(0)]
public IntPtr StringVal;
[FieldOffset(0)]
public IntPtr AnsiString;
[FieldOffset(0)]
public IntPtr SidVal;
[FieldOffset(0)]
public IntPtr Binary;
[FieldOffset(0)]
public IntPtr Reference;
[FieldOffset(0)]
public IntPtr Handle;
[FieldOffset(0)]
public IntPtr GuidReference;
[FieldOffset(0)]
public ulong FileTime;
[FieldOffset(0)]
public IntPtr SystemTime;
[FieldOffset(0)]
public IntPtr SizeT;
[FieldOffset(8)]
public uint Count; // number of elements (not length) in bytes.
[FieldOffset(12)]
public uint Type;
}
internal enum EvtEventPropertyId
{
EvtEventQueryIDs = 0,
EvtEventPath = 1
}
/// <summary>
/// The query flags to get information about query.
/// </summary>
internal enum EvtQueryPropertyId
{
EvtQueryNames = 0, // String; // Variant will be array of EvtVarTypeString
EvtQueryStatuses = 1 // UInt32; // Variant will be Array of EvtVarTypeUInt32
}
/// <summary>
/// Publisher Metadata properties.
/// </summary>
internal enum EvtPublisherMetadataPropertyId
{
EvtPublisherMetadataPublisherGuid = 0, // EvtVarTypeGuid
EvtPublisherMetadataResourceFilePath = 1, // EvtVarTypeString
EvtPublisherMetadataParameterFilePath = 2, // EvtVarTypeString
EvtPublisherMetadataMessageFilePath = 3, // EvtVarTypeString
EvtPublisherMetadataHelpLink = 4, // EvtVarTypeString
EvtPublisherMetadataPublisherMessageID = 5, // EvtVarTypeUInt32
EvtPublisherMetadataChannelReferences = 6, // EvtVarTypeEvtHandle, ObjectArray
EvtPublisherMetadataChannelReferencePath = 7, // EvtVarTypeString
EvtPublisherMetadataChannelReferenceIndex = 8, // EvtVarTypeUInt32
EvtPublisherMetadataChannelReferenceID = 9, // EvtVarTypeUInt32
EvtPublisherMetadataChannelReferenceFlags = 10, // EvtVarTypeUInt32
EvtPublisherMetadataChannelReferenceMessageID = 11, // EvtVarTypeUInt32
EvtPublisherMetadataLevels = 12, // EvtVarTypeEvtHandle, ObjectArray
EvtPublisherMetadataLevelName = 13, // EvtVarTypeString
EvtPublisherMetadataLevelValue = 14, // EvtVarTypeUInt32
EvtPublisherMetadataLevelMessageID = 15, // EvtVarTypeUInt32
EvtPublisherMetadataTasks = 16, // EvtVarTypeEvtHandle, ObjectArray
EvtPublisherMetadataTaskName = 17, // EvtVarTypeString
EvtPublisherMetadataTaskEventGuid = 18, // EvtVarTypeGuid
EvtPublisherMetadataTaskValue = 19, // EvtVarTypeUInt32
EvtPublisherMetadataTaskMessageID = 20, // EvtVarTypeUInt32
EvtPublisherMetadataOpcodes = 21, // EvtVarTypeEvtHandle, ObjectArray
EvtPublisherMetadataOpcodeName = 22, // EvtVarTypeString
EvtPublisherMetadataOpcodeValue = 23, // EvtVarTypeUInt32
EvtPublisherMetadataOpcodeMessageID = 24, // EvtVarTypeUInt32
EvtPublisherMetadataKeywords = 25, // EvtVarTypeEvtHandle, ObjectArray
EvtPublisherMetadataKeywordName = 26, // EvtVarTypeString
EvtPublisherMetadataKeywordValue = 27, // EvtVarTypeUInt64
EvtPublisherMetadataKeywordMessageID = 28 // EvtVarTypeUInt32
// EvtPublisherMetadataPropertyIdEND
}
internal enum EvtChannelReferenceFlags
{
EvtChannelReferenceImported = 1
}
internal enum EvtEventMetadataPropertyId
{
EventMetadataEventID, // EvtVarTypeUInt32
EventMetadataEventVersion, // EvtVarTypeUInt32
EventMetadataEventChannel, // EvtVarTypeUInt32
EventMetadataEventLevel, // EvtVarTypeUInt32
EventMetadataEventOpcode, // EvtVarTypeUInt32
EventMetadataEventTask, // EvtVarTypeUInt32
EventMetadataEventKeyword, // EvtVarTypeUInt64
EventMetadataEventMessageID, // EvtVarTypeUInt32
EventMetadataEventTemplate // EvtVarTypeString
// EvtEventMetadataPropertyIdEND
}
// CHANNEL CONFIGURATION
internal enum EvtChannelConfigPropertyId
{
EvtChannelConfigEnabled = 0, // EvtVarTypeBoolean
EvtChannelConfigIsolation, // EvtVarTypeUInt32, EVT_CHANNEL_ISOLATION_TYPE
EvtChannelConfigType, // EvtVarTypeUInt32, EVT_CHANNEL_TYPE
EvtChannelConfigOwningPublisher, // EvtVarTypeString
EvtChannelConfigClassicEventlog, // EvtVarTypeBoolean
EvtChannelConfigAccess, // EvtVarTypeString
EvtChannelLoggingConfigRetention, // EvtVarTypeBoolean
EvtChannelLoggingConfigAutoBackup, // EvtVarTypeBoolean
EvtChannelLoggingConfigMaxSize, // EvtVarTypeUInt64
EvtChannelLoggingConfigLogFilePath, // EvtVarTypeString
EvtChannelPublishingConfigLevel, // EvtVarTypeUInt32
EvtChannelPublishingConfigKeywords, // EvtVarTypeUInt64
EvtChannelPublishingConfigControlGuid, // EvtVarTypeGuid
EvtChannelPublishingConfigBufferSize, // EvtVarTypeUInt32
EvtChannelPublishingConfigMinBuffers, // EvtVarTypeUInt32
EvtChannelPublishingConfigMaxBuffers, // EvtVarTypeUInt32
EvtChannelPublishingConfigLatency, // EvtVarTypeUInt32
EvtChannelPublishingConfigClockType, // EvtVarTypeUInt32, EVT_CHANNEL_CLOCK_TYPE
EvtChannelPublishingConfigSidType, // EvtVarTypeUInt32, EVT_CHANNEL_SID_TYPE
EvtChannelPublisherList, // EvtVarTypeString | EVT_VARIANT_TYPE_ARRAY
EvtChannelConfigPropertyIdEND
}
// LOG INFORMATION
internal enum EvtLogPropertyId
{
EvtLogCreationTime = 0, // EvtVarTypeFileTime
EvtLogLastAccessTime, // EvtVarTypeFileTime
EvtLogLastWriteTime, // EvtVarTypeFileTime
EvtLogFileSize, // EvtVarTypeUInt64
EvtLogAttributes, // EvtVarTypeUInt32
EvtLogNumberOfLogRecords, // EvtVarTypeUInt64
EvtLogOldestRecordNumber, // EvtVarTypeUInt64
EvtLogFull, // EvtVarTypeBoolean
}
internal enum EvtExportLogFlags
{
EvtExportLogChannelPath = 1,
EvtExportLogFilePath = 2,
EvtExportLogTolerateQueryErrors = 0x1000
}
// RENDERING
internal enum EvtRenderContextFlags
{
EvtRenderContextValues = 0, // Render specific properties
EvtRenderContextSystem = 1, // Render all system properties (System)
EvtRenderContextUser = 2 // Render all user properties (User/EventData)
}
internal enum EvtRenderFlags
{
EvtRenderEventValues = 0, // Variants
EvtRenderEventXml = 1, // XML
EvtRenderBookmark = 2 // Bookmark
}
internal enum EvtFormatMessageFlags
{
EvtFormatMessageEvent = 1,
EvtFormatMessageLevel = 2,
EvtFormatMessageTask = 3,
EvtFormatMessageOpcode = 4,
EvtFormatMessageKeyword = 5,
EvtFormatMessageChannel = 6,
EvtFormatMessageProvider = 7,
EvtFormatMessageId = 8,
EvtFormatMessageXml = 9
}
internal enum EvtSystemPropertyId
{
EvtSystemProviderName = 0, // EvtVarTypeString
EvtSystemProviderGuid, // EvtVarTypeGuid
EvtSystemEventID, // EvtVarTypeUInt16
EvtSystemQualifiers, // EvtVarTypeUInt16
EvtSystemLevel, // EvtVarTypeUInt8
EvtSystemTask, // EvtVarTypeUInt16
EvtSystemOpcode, // EvtVarTypeUInt8
EvtSystemKeywords, // EvtVarTypeHexInt64
EvtSystemTimeCreated, // EvtVarTypeFileTime
EvtSystemEventRecordId, // EvtVarTypeUInt64
EvtSystemActivityID, // EvtVarTypeGuid
EvtSystemRelatedActivityID, // EvtVarTypeGuid
EvtSystemProcessID, // EvtVarTypeUInt32
EvtSystemThreadID, // EvtVarTypeUInt32
EvtSystemChannel, // EvtVarTypeString
EvtSystemComputer, // EvtVarTypeString
EvtSystemUserID, // EvtVarTypeSid
EvtSystemVersion, // EvtVarTypeUInt8
EvtSystemPropertyIdEND
}
// SESSION
internal enum EvtLoginClass
{
EvtRpcLogin = 1
}
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
internal struct EvtRpcLogin
{
[MarshalAs(UnmanagedType.LPWStr)]
public string Server;
[MarshalAs(UnmanagedType.LPWStr)]
public string User;
[MarshalAs(UnmanagedType.LPWStr)]
public string Domain;
[SecurityCritical]
public CoTaskMemUnicodeSafeHandle Password;
public int Flags;
}
// SEEK
[Flags]
internal enum EvtSeekFlags
{
EvtSeekRelativeToFirst = 1,
EvtSeekRelativeToLast = 2,
EvtSeekRelativeToCurrent = 3,
EvtSeekRelativeToBookmark = 4,
EvtSeekOriginMask = 7,
EvtSeekStrict = 0x10000
}
[DllImport(WEVTAPI, CallingConvention = CallingConvention.Winapi, SetLastError = true)]
[SecurityCritical]
internal static extern EventLogHandle EvtQuery(
EventLogHandle session,
[MarshalAs(UnmanagedType.LPWStr)] string path,
[MarshalAs(UnmanagedType.LPWStr)] string query,
int flags);
// SEEK
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtSeek(
EventLogHandle resultSet,
long position,
EventLogHandle bookmark,
int timeout,
[MarshalAs(UnmanagedType.I4)] EvtSeekFlags flags
);
[DllImport(WEVTAPI, CallingConvention = CallingConvention.Winapi, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtNext(
EventLogHandle queryHandle,
int eventSize,
[MarshalAs(UnmanagedType.LPArray)] IntPtr[] events,
int timeout,
int flags,
ref int returned);
[DllImport(WEVTAPI, CallingConvention = CallingConvention.Winapi, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtCancel(EventLogHandle handle);
[DllImport(WEVTAPI)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtClose(IntPtr handle);
/*
[DllImport(WEVTAPI, EntryPoint = "EvtClose", SetLastError = true)]
public static extern bool EvtClose(
IntPtr eventHandle
);
*/
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtGetEventInfo(
EventLogHandle eventHandle,
// int propertyId
[MarshalAs(UnmanagedType.I4)] EvtEventPropertyId propertyId,
int bufferSize,
IntPtr bufferPtr,
out int bufferUsed
);
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtGetQueryInfo(
EventLogHandle queryHandle,
[MarshalAs(UnmanagedType.I4)] EvtQueryPropertyId propertyId,
int bufferSize,
IntPtr buffer,
ref int bufferRequired
);
// PUBLISHER METADATA
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
internal static extern EventLogHandle EvtOpenPublisherMetadata(
EventLogHandle session,
[MarshalAs(UnmanagedType.LPWStr)] string publisherId,
[MarshalAs(UnmanagedType.LPWStr)] string logFilePath,
int locale,
int flags
);
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtGetPublisherMetadataProperty(
EventLogHandle publisherMetadataHandle,
[MarshalAs(UnmanagedType.I4)] EvtPublisherMetadataPropertyId propertyId,
int flags,
int publisherMetadataPropertyBufferSize,
IntPtr publisherMetadataPropertyBuffer,
out int publisherMetadataPropertyBufferUsed
);
// NEW
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtGetObjectArraySize(
EventLogHandle objectArray,
out int objectArraySize
);
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtGetObjectArrayProperty(
EventLogHandle objectArray,
int propertyId,
int arrayIndex,
int flags,
int propertyValueBufferSize,
IntPtr propertyValueBuffer,
out int propertyValueBufferUsed
);
// NEW 2
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
internal static extern EventLogHandle EvtOpenEventMetadataEnum(
EventLogHandle publisherMetadata,
int flags
);
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
// public static extern IntPtr EvtNextEventMetadata(
internal static extern EventLogHandle EvtNextEventMetadata(
EventLogHandle eventMetadataEnum,
int flags
);
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtGetEventMetadataProperty(
EventLogHandle eventMetadata,
[MarshalAs(UnmanagedType.I4)] EvtEventMetadataPropertyId propertyId,
int flags,
int eventMetadataPropertyBufferSize,
IntPtr eventMetadataPropertyBuffer,
out int eventMetadataPropertyBufferUsed
);
// Channel Configuration Native Api
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
internal static extern EventLogHandle EvtOpenChannelEnum(
EventLogHandle session,
int flags
);
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtNextChannelPath(
EventLogHandle channelEnum,
int channelPathBufferSize,
// StringBuilder channelPathBuffer,
[Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder channelPathBuffer,
out int channelPathBufferUsed
);
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
internal static extern EventLogHandle EvtOpenPublisherEnum(
EventLogHandle session,
int flags
);
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtNextPublisherId(
EventLogHandle publisherEnum,
int publisherIdBufferSize,
[Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder publisherIdBuffer,
out int publisherIdBufferUsed
);
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
internal static extern EventLogHandle EvtOpenChannelConfig(
EventLogHandle session,
[MarshalAs(UnmanagedType.LPWStr)] string channelPath,
int flags
);
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtSaveChannelConfig(
EventLogHandle channelConfig,
int flags
);
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtSetChannelConfigProperty(
EventLogHandle channelConfig,
[MarshalAs(UnmanagedType.I4)] EvtChannelConfigPropertyId propertyId,
int flags,
ref EvtVariant propertyValue
);
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtGetChannelConfigProperty(
EventLogHandle channelConfig,
[MarshalAs(UnmanagedType.I4)] EvtChannelConfigPropertyId propertyId,
int flags,
int propertyValueBufferSize,
IntPtr propertyValueBuffer,
out int propertyValueBufferUsed
);
// Log Information Native API
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
internal static extern EventLogHandle EvtOpenLog(
EventLogHandle session,
[MarshalAs(UnmanagedType.LPWStr)] string path,
[MarshalAs(UnmanagedType.I4)] PathType flags
);
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtGetLogInfo(
EventLogHandle log,
[MarshalAs(UnmanagedType.I4)] EvtLogPropertyId propertyId,
int propertyValueBufferSize,
IntPtr propertyValueBuffer,
out int propertyValueBufferUsed
);
// LOG MANIPULATION
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtExportLog(
EventLogHandle session,
[MarshalAs(UnmanagedType.LPWStr)] string channelPath,
[MarshalAs(UnmanagedType.LPWStr)] string query,
[MarshalAs(UnmanagedType.LPWStr)] string targetFilePath,
int flags
);
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtArchiveExportedLog(
EventLogHandle session,
[MarshalAs(UnmanagedType.LPWStr)] string logFilePath,
int locale,
int flags
);
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtClearLog(
EventLogHandle session,
[MarshalAs(UnmanagedType.LPWStr)] string channelPath,
[MarshalAs(UnmanagedType.LPWStr)] string targetFilePath,
int flags
);
// RENDERING
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
internal static extern EventLogHandle EvtCreateRenderContext(
int valuePathsCount,
[MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.LPWStr)]
string[] valuePaths,
[MarshalAs(UnmanagedType.I4)] EvtRenderContextFlags flags
);
[DllImport(WEVTAPI, CallingConvention = CallingConvention.Winapi, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtRender(
EventLogHandle context,
EventLogHandle eventHandle,
EvtRenderFlags flags,
int buffSize,
[Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder buffer,
out int buffUsed,
out int propCount
);
[DllImport(WEVTAPI, EntryPoint = "EvtRender", CallingConvention = CallingConvention.Winapi, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtRender(
EventLogHandle context,
EventLogHandle eventHandle,
EvtRenderFlags flags,
int buffSize,
IntPtr buffer,
out int buffUsed,
out int propCount
);
[StructLayout(LayoutKind.Explicit, CharSet = CharSet.Unicode)]
internal struct EvtStringVariant
{
[MarshalAs(UnmanagedType.LPWStr), FieldOffset(0)]
public string StringVal;
[FieldOffset(8)]
public uint Count;
[FieldOffset(12)]
public uint Type;
}
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtFormatMessage(
EventLogHandle publisherMetadataHandle,
EventLogHandle eventHandle,
uint messageId,
int valueCount,
EvtStringVariant[] values,
[MarshalAs(UnmanagedType.I4)] EvtFormatMessageFlags flags,
int bufferSize,
[Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder buffer,
out int bufferUsed
);
[DllImport(WEVTAPI, EntryPoint = "EvtFormatMessage", CallingConvention = CallingConvention.Winapi, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtFormatMessageBuffer(
EventLogHandle publisherMetadataHandle,
EventLogHandle eventHandle,
uint messageId,
int valueCount,
IntPtr values,
[MarshalAs(UnmanagedType.I4)] EvtFormatMessageFlags flags,
int bufferSize,
IntPtr buffer,
out int bufferUsed
);
// SESSION
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
internal static extern EventLogHandle EvtOpenSession(
[MarshalAs(UnmanagedType.I4)] EvtLoginClass loginClass,
ref EvtRpcLogin login,
int timeout,
int flags
);
// BOOKMARK
[DllImport(WEVTAPI, EntryPoint = "EvtCreateBookmark", CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
internal static extern EventLogHandle EvtCreateBookmark(
[MarshalAs(UnmanagedType.LPWStr)] string bookmarkXml
);
[DllImport(WEVTAPI, CharSet = CharSet.Unicode, SetLastError = true)]
[SecurityCritical]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool EvtUpdateBookmark(
EventLogHandle bookmark,
EventLogHandle eventHandle
);
}
}
|