mcs/class/referencesource/System.ServiceModel/System/ServiceModel/Channels/UnsafeNativeMethods.cs

   1 //------------------------------------------------------------
   2 // Copyright (c) Microsoft Corporation.  All rights reserved.
   3 //------------------------------------------------------------
   4 #define WSARECV
   5 namespace System.ServiceModel.Channels
   6 {
   7     using System.Runtime;
   8     using System.Runtime.InteropServices;
   9     using System.Runtime.ConstrainedExecution;
  10     using System.Runtime.Versioning;
  11     using System.Security;
  12     using System.Security.Permissions;
  13     using System.Security.Principal;
  14     using System.Threading;
  15     using Microsoft.Win32.SafeHandles;
  16     using System.ComponentModel;
  17     using System.Text;
  18     using System.Transactions;
  19     using System.ServiceModel.Activation;
  20     using System.ServiceModel.Security;
  21     using System.EnterpriseServices;
  22
  23     using SafeCloseHandle = System.ServiceModel.Activation.SafeCloseHandle;
  24     using TOKEN_INFORMATION_CLASS = System.ServiceModel.Activation.ListenerUnsafeNativeMethods.TOKEN_INFORMATION_CLASS;
  25
  26     [SuppressUnmanagedCodeSecurity]
  27     internal static class UnsafeNativeMethods
  28     {
  29         public const string KERNEL32 = "kernel32.dll";
  30         public const string ADVAPI32 = "advapi32.dll";
  31         public const string BCRYPT = "bcrypt.dll";
  32         public const string MQRT = "mqrt.dll";
  33         public const string SECUR32 = "secur32.dll";
  34         public const string USERENV = "userenv.dll";
  35
  36 #if WSARECV
  37         public const string WS2_32 = "ws2_32.dll";
  38 #endif
  39
  40         //
  41
  42         public const int ERROR_SUCCESS = 0;
  43         public const int ERROR_FILE_NOT_FOUND = 2;
  44         public const int ERROR_ACCESS_DENIED = 5;
  45         public const int ERROR_INVALID_HANDLE = 6;
  46         public const int ERROR_NOT_ENOUGH_MEMORY = 8;
  47         public const int ERROR_OUTOFMEMORY = 14;
  48         public const int ERROR_SHARING_VIOLATION = 32;
  49         public const int ERROR_NETNAME_DELETED = 64;
  50         public const int ERROR_INVALID_PARAMETER = 87;
  51         public const int ERROR_BROKEN_PIPE = 109;
  52         public const int ERROR_ALREADY_EXISTS = 183;
  53         public const int ERROR_PIPE_BUSY = 231;
  54         public const int ERROR_NO_DATA = 232;
  55         public const int ERROR_MORE_DATA = 234;
  56         public const int WAIT_TIMEOUT = 258;
  57         public const int ERROR_PIPE_CONNECTED = 535;
  58         public const int ERROR_OPERATION_ABORTED = 995;
  59         public const int ERROR_IO_PENDING = 997;
  60         public const int ERROR_SERVICE_ALREADY_RUNNING = 1056;
  61         public const int ERROR_SERVICE_DISABLED = 1058;
  62         public const int ERROR_NO_TRACKING_SERVICE = 1172;
  63         public const int ERROR_ALLOTTED_SPACE_EXCEEDED = 1344;
  64         public const int ERROR_NO_SYSTEM_RESOURCES = 1450;
  65
  66         // When querying for the token length
  67         const int ERROR_INSUFFICIENT_BUFFER = 122;
  68
  69         public const int STATUS_PENDING = 0x103;
  70
  71         // socket errors
  72         public const int WSAACCESS = 10013;
  73         public const int WSAEMFILE = 10024;
  74         public const int WSAEMSGSIZE = 10040;
  75         public const int WSAEADDRINUSE = 10048;
  76         public const int WSAEADDRNOTAVAIL = 10049;
  77         public const int WSAENETDOWN = 10050;
  78         public const int WSAENETUNREACH = 10051;
  79         public const int WSAENETRESET = 10052;
  80         public const int WSAECONNABORTED = 10053;
  81         public const int WSAECONNRESET = 10054;
  82         public const int WSAENOBUFS = 10055;
  83         public const int WSAESHUTDOWN = 10058;
  84         public const int WSAETIMEDOUT = 10060;
  85         public const int WSAECONNREFUSED = 10061;
  86         public const int WSAEHOSTDOWN = 10064;
  87         public const int WSAEHOSTUNREACH = 10065;
  88
  89         public const int DUPLICATE_CLOSE_SOURCE = 0x00000001;
  90         public const int DUPLICATE_SAME_ACCESS = 0x00000002;
  91
  92         public const int FILE_FLAG_OVERLAPPED = 0x40000000;
  93         public const int FILE_FLAG_FIRST_PIPE_INSTANCE = 0x00080000;
  94
  95         public const int GENERIC_ALL = 0x10000000;
  96         public const int GENERIC_READ = unchecked((int)0x80000000);
  97         public const int GENERIC_WRITE = 0x40000000;
  98         public const int FILE_CREATE_PIPE_INSTANCE = 0x00000004;
  99         public const int FILE_WRITE_ATTRIBUTES = 0x00000100;
 100         public const int FILE_WRITE_DATA = 0x00000002;
 101         public const int FILE_WRITE_EA = 0x00000010;
 102
 103         public const int OPEN_EXISTING = 3;
 104
 105         public const int PIPE_ACCESS_DUPLEX = 3;
 106         public const int PIPE_UNLIMITED_INSTANCES = 255;
 107         public const int PIPE_TYPE_BYTE = 0;
 108         public const int PIPE_TYPE_MESSAGE = 4;
 109         public const int PIPE_READMODE_BYTE = 0;
 110         public const int PIPE_READMODE_MESSAGE = 2;
 111
 112         // VirtualAlloc constants
 113         public const uint MEM_COMMIT = 0x1000;
 114         public const uint MEM_DECOMMIT = 0x4000;
 115         public const int PAGE_READWRITE = 4;
 116
 117         public const int FILE_MAP_WRITE = 2;
 118         public const int FILE_MAP_READ = 4;
 119
 120
 121         public const int SDDL_REVISION_1 = 1;
 122
 123         public const int SECURITY_ANONYMOUS = 0x00000000;
 124         public const int SECURITY_QOS_PRESENT = 0x00100000;
 125         public const int SECURITY_IDENTIFICATION = 0x00010000;
 126
 127         public const int FORMAT_MESSAGE_ALLOCATE_BUFFER = 0x00000100;
 128         public const int FORMAT_MESSAGE_IGNORE_INSERTS = 0x00000200;
 129         public const int FORMAT_MESSAGE_FROM_STRING = 0x00000400;
 130         public const int FORMAT_MESSAGE_FROM_SYSTEM = 0x00001000;
 131         public const int FORMAT_MESSAGE_ARGUMENT_ARRAY = 0x00002000;
 132         public const int FORMAT_MESSAGE_FROM_HMODULE = 0x00000800;
 133
 134         public const int MQ_RECEIVE_ACCESS = 0x00000001;
 135         public const int MQ_SEND_ACCESS = 0x00000002;
 136         public const int MQ_MOVE_ACCESS = 0x00000004;
 137
 138         public const int MQ_DENY_NONE = 0x00000000;
 139         public const int MQ_DENY_RECEIVE_SHARE = 0x00000001;
 140
 141         public const int MQ_ACTION_RECEIVE = 0x00000000;
 142         public const int MQ_ACTION_PEEK_CURRENT = unchecked((int)0x80000000);
 143         public const int MQ_ACTION_PEEK_NEXT = unchecked((int)0x80000001);
 144
 145         public const int MQ_LOOKUP_RECEIVE_CURRENT = unchecked((int)0x40000020);
 146         public const int MQ_LOOKUP_PEEK_CURRENT = unchecked((int)0x40000010);
 147
 148         public const int MQ_NO_TRANSACTION = 0;
 149         public const int MQ_MTS_TRANSACTION = 1;
 150         public const int MQ_SINGLE_MESSAGE = 3;
 151
 152         public const int MQ_INFORMATION_PROPERTY = unchecked((int)0x400E0001);
 153         public const int MQ_INFORMATION_ILLEGAL_PROPERTY = unchecked((int)0x400E0002);
 154         public const int MQ_INFORMATION_PROPERTY_IGNORED = unchecked((int)0x400E0003);
 155         public const int MQ_INFORMATION_UNSUPPORTED_PROPERTY = unchecked((int)0x400E0004);
 156         public const int MQ_INFORMATION_DUPLICATE_PROPERTY = unchecked((int)0x400E0005);
 157         public const int MQ_INFORMATION_OPERATION_PENDING = unchecked((int)0x400E0006);
 158         public const int MQ_INFORMATION_FORMATNAME_BUFFER_TOO_SMALL = unchecked((int)0x400E0009);
 159         public const int MQ_INFORMATION_INTERNAL_USER_CERT_EXIST = unchecked((int)0x400E000A);
 160         public const int MQ_INFORMATION_OWNER_IGNORED = unchecked((int)0x400E000B);
 161         public const int MQ_ERROR = unchecked((int)0xC00E0001);
 162         public const int MQ_ERROR_PROPERTY = unchecked((int)0xC00E0002);
 163         public const int MQ_ERROR_QUEUE_NOT_FOUND = unchecked((int)0xC00E0003);
 164         public const int MQ_ERROR_QUEUE_NOT_ACTIVE = unchecked((int)0xC00E0004);
 165         public const int MQ_ERROR_QUEUE_EXISTS = unchecked((int)0xC00E0005);
 166         public const int MQ_ERROR_INVALID_PARAMETER = unchecked((int)0xC00E0006);
 167         public const int MQ_ERROR_INVALID_HANDLE = unchecked((int)0xC00E0007);
 168         public const int MQ_ERROR_OPERATION_CANCELLED = unchecked((int)0xC00E0008);
 169         public const int MQ_ERROR_SHARING_VIOLATION = unchecked((int)0xC00E0009);
 170         public const int MQ_ERROR_SERVICE_NOT_AVAILABLE = unchecked((int)0xC00E000B);
 171         public const int MQ_ERROR_MACHINE_NOT_FOUND = unchecked((int)0xC00E000D);
 172         public const int MQ_ERROR_ILLEGAL_SORT = unchecked((int)0xC00E0010);
 173         public const int MQ_ERROR_ILLEGAL_USER = unchecked((int)0xC00E0011);
 174         public const int MQ_ERROR_NO_DS = unchecked((int)0xC00E0013);
 175         public const int MQ_ERROR_ILLEGAL_QUEUE_PATHNAME = unchecked((int)0xC00E0014);
 176         public const int MQ_ERROR_ILLEGAL_PROPERTY_VALUE = unchecked((int)0xC00E0018);
 177         public const int MQ_ERROR_ILLEGAL_PROPERTY_VT = unchecked((int)0xC00E0019);
 178         public const int MQ_ERROR_BUFFER_OVERFLOW = unchecked((int)0xC00E001A);
 179         public const int MQ_ERROR_IO_TIMEOUT = unchecked((int)0xC00E001B);
 180         public const int MQ_ERROR_ILLEGAL_CURSOR_ACTION = unchecked((int)0xC00E001C);
 181         public const int MQ_ERROR_MESSAGE_ALREADY_RECEIVED = unchecked((int)0xC00E001D);
 182         public const int MQ_ERROR_ILLEGAL_FORMATNAME = unchecked((int)0xC00E001E);
 183         public const int MQ_ERROR_FORMATNAME_BUFFER_TOO_SMALL = unchecked((int)0xC00E001F);
 184         public const int MQ_ERROR_UNSUPPORTED_FORMATNAME_OPERATION = unchecked((int)0xC00E0020);
 185         public const int MQ_ERROR_ILLEGAL_SECURITY_DESCRIPTOR = unchecked((int)0xC00E0021);
 186         public const int MQ_ERROR_SENDERID_BUFFER_TOO_SMALL = unchecked((int)0xC00E0022);
 187         public const int MQ_ERROR_SECURITY_DESCRIPTOR_TOO_SMALL = unchecked((int)0xC00E0023);
 188         public const int MQ_ERROR_CANNOT_IMPERSONATE_CLIENT = unchecked((int)0xC00E0024);
 189         public const int MQ_ERROR_ACCESS_DENIED = unchecked((int)0xC00E0025);
 190         public const int MQ_ERROR_PRIVILEGE_NOT_HELD = unchecked((int)0xC00E0026);
 191         public const int MQ_ERROR_INSUFFICIENT_RESOURCES = unchecked((int)0xC00E0027);
 192         public const int MQ_ERROR_USER_BUFFER_TOO_SMALL = unchecked((int)0xC00E0028);
 193         public const int MQ_ERROR_MESSAGE_STORAGE_FAILED = unchecked((int)0xC00E002A);
 194         public const int MQ_ERROR_SENDER_CERT_BUFFER_TOO_SMALL = unchecked((int)0xC00E002B);
 195         public const int MQ_ERROR_INVALID_CERTIFICATE = unchecked((int)0xC00E002C);
 196         public const int MQ_ERROR_CORRUPTED_INTERNAL_CERTIFICATE = unchecked((int)0xC00E002D);
 197         public const int MQ_ERROR_INTERNAL_USER_CERT_EXIST = unchecked((int)0xC00E002E);
 198         public const int MQ_ERROR_NO_INTERNAL_USER_CERT = unchecked((int)0xC00E002F);
 199         public const int MQ_ERROR_CORRUPTED_SECURITY_DATA = unchecked((int)0xC00E0030);
 200         public const int MQ_ERROR_CORRUPTED_PERSONAL_CERT_STORE = unchecked((int)0xC00E0031);
 201         public const int MQ_ERROR_COMPUTER_DOES_NOT_SUPPORT_ENCRYPTION = unchecked((int)0xC00E0033);
 202         public const int MQ_ERROR_BAD_SECURITY_CONTEXT = unchecked((int)0xC00E0035);
 203         public const int MQ_ERROR_COULD_NOT_GET_USER_SID = unchecked((int)0xC00E0036);
 204         public const int MQ_ERROR_COULD_NOT_GET_ACCOUNT_INFO = unchecked((int)0xC00E0037);
 205         public const int MQ_ERROR_ILLEGAL_MQCOLUMNS = unchecked((int)0xC00E0038);
 206         public const int MQ_ERROR_ILLEGAL_PROPID = unchecked((int)0xC00E0039);
 207         public const int MQ_ERROR_ILLEGAL_RELATION = unchecked((int)0xC00E003A);
 208         public const int MQ_ERROR_ILLEGAL_PROPERTY_SIZE = unchecked((int)0xC00E003B);
 209         public const int MQ_ERROR_ILLEGAL_RESTRICTION_PROPID = unchecked((int)0xC00E003C);
 210         public const int MQ_ERROR_ILLEGAL_MQQUEUEPROPS = unchecked((int)0xC00E003D);
 211         public const int MQ_ERROR_PROPERTY_NOTALLOWED = unchecked((int)0xC00E003E);
 212         public const int MQ_ERROR_INSUFFICIENT_PROPERTIES = unchecked((int)0xC00E003F);
 213         public const int MQ_ERROR_MACHINE_EXISTS = unchecked((int)0xC00E0040);
 214         public const int MQ_ERROR_ILLEGAL_MQQMPROPS = unchecked((int)0xC00E0041);
 215         public const int MQ_ERROR_DS_IS_FULL = unchecked((int)0xC00E0042);
 216         public const int MQ_ERROR_DS_ERROR = unchecked((int)0xC00E0043);
 217         public const int MQ_ERROR_INVALID_OWNER = unchecked((int)0xC00E0044);
 218         public const int MQ_ERROR_UNSUPPORTED_ACCESS_MODE = unchecked((int)0xC00E0045);
 219         public const int MQ_ERROR_RESULT_BUFFER_TOO_SMALL = unchecked((int)0xC00E0046);
 220         public const int MQ_ERROR_DELETE_CN_IN_USE = unchecked((int)0xC00E0048);
 221         public const int MQ_ERROR_NO_RESPONSE_FROM_OBJECT_SERVER = unchecked((int)0xC00E0049);
 222         public const int MQ_ERROR_OBJECT_SERVER_NOT_AVAILABLE = unchecked((int)0xC00E004A);
 223         public const int MQ_ERROR_QUEUE_NOT_AVAILABLE = unchecked((int)0xC00E004B);
 224         public const int MQ_ERROR_DTC_CONNECT = unchecked((int)0xC00E004C);
 225         public const int MQ_ERROR_TRANSACTION_IMPORT = unchecked((int)0xC00E004E);
 226         public const int MQ_ERROR_TRANSACTION_USAGE = unchecked((int)0xC00E0050);
 227         public const int MQ_ERROR_TRANSACTION_SEQUENCE = unchecked((int)0xC00E0051);
 228         public const int MQ_ERROR_MISSING_CONNECTOR_TYPE = unchecked((int)0xC00E0055);
 229         public const int MQ_ERROR_STALE_HANDLE = unchecked((int)0xC00E0056);
 230         public const int MQ_ERROR_TRANSACTION_ENLIST = unchecked((int)0xC00E0058);
 231         public const int MQ_ERROR_QUEUE_DELETED = unchecked((int)0xC00E005A);
 232         public const int MQ_ERROR_ILLEGAL_CONTEXT = unchecked((int)0xC00E005B);
 233         public const int MQ_ERROR_ILLEGAL_SORT_PROPID = unchecked((int)0xC00E005C);
 234         public const int MQ_ERROR_LABEL_TOO_LONG = unchecked((int)0xC00E005D);
 235         public const int MQ_ERROR_LABEL_BUFFER_TOO_SMALL = unchecked((int)0xC00E005E);
 236         public const int MQ_ERROR_MQIS_SERVER_EMPTY = unchecked((int)0xC00E005F);
 237         public const int MQ_ERROR_MQIS_READONLY_MODE = unchecked((int)0xC00E0060);
 238         public const int MQ_ERROR_SYMM_KEY_BUFFER_TOO_SMALL = unchecked((int)0xC00E0061);
 239         public const int MQ_ERROR_SIGNATURE_BUFFER_TOO_SMALL = unchecked((int)0xC00E0062);
 240         public const int MQ_ERROR_PROV_NAME_BUFFER_TOO_SMALL = unchecked((int)0xC00E0063);
 241         public const int MQ_ERROR_ILLEGAL_OPERATION = unchecked((int)0xC00E0064);
 242         public const int MQ_ERROR_WRITE_NOT_ALLOWED = unchecked((int)0xC00E0065);
 243         public const int MQ_ERROR_WKS_CANT_SERVE_CLIENT = unchecked((int)0xC00E0066);
 244         public const int MQ_ERROR_DEPEND_WKS_LICENSE_OVERFLOW = unchecked((int)0xC00E0067);
 245         public const int MQ_ERROR_REMOTE_MACHINE_NOT_AVAILABLE = unchecked((int)0xC00E0069);
 246         public const int MQ_ERROR_UNSUPPORTED_OPERATION = unchecked((int)0xC00E006A);
 247         public const int MQ_ERROR_ENCRYPTION_PROVIDER_NOT_SUPPORTED = unchecked((int)0xC00E006B);
 248         public const int MQ_ERROR_CANNOT_SET_CRYPTO_SEC_DESCR = unchecked((int)0xC00E006C);
 249         public const int MQ_ERROR_CERTIFICATE_NOT_PROVIDED = unchecked((int)0xC00E006D);
 250         public const int MQ_ERROR_Q_DNS_PROPERTY_NOT_SUPPORTED = unchecked((int)0xC00E006E);
 251         public const int MQ_ERROR_CANNOT_CREATE_CERT_STORE = unchecked((int)0xC00E006F);
 252         public const int MQ_ERROR_CANNOT_OPEN_CERT_STORE = unchecked((int)0xC00E0070);
 253         public const int MQ_ERROR_ILLEGAL_ENTERPRISE_OPERATION = unchecked((int)0xC00E0071);
 254         public const int MQ_ERROR_CANNOT_GRANT_ADD_GUID = unchecked((int)0xC00E0072);
 255         public const int MQ_ERROR_CANNOT_LOAD_MSMQOCM = unchecked((int)0xC00E0073);
 256         public const int MQ_ERROR_NO_ENTRY_POINT_MSMQOCM = unchecked((int)0xC00E0074);
 257         public const int MQ_ERROR_NO_MSMQ_SERVERS_ON_DC = unchecked((int)0xC00E0075);
 258         public const int MQ_ERROR_CANNOT_JOIN_DOMAIN = unchecked((int)0xC00E0076);
 259         public const int MQ_ERROR_CANNOT_CREATE_ON_GC = unchecked((int)0xC00E0077);
 260         public const int MQ_ERROR_GUID_NOT_MATCHING = unchecked((int)0xC00E0078);
 261         public const int MQ_ERROR_PUBLIC_KEY_NOT_FOUND = unchecked((int)0xC00E0079);
 262         public const int MQ_ERROR_PUBLIC_KEY_DOES_NOT_EXIST = unchecked((int)0xC00E007A);
 263         public const int MQ_ERROR_ILLEGAL_MQPRIVATEPROPS = unchecked((int)0xC00E007B);
 264         public const int MQ_ERROR_NO_GC_IN_DOMAIN = unchecked((int)0xC00E007C);
 265         public const int MQ_ERROR_NO_MSMQ_SERVERS_ON_GC = unchecked((int)0xC00E007D);
 266         public const int MQ_ERROR_CANNOT_GET_DN = unchecked((int)0xC00E007E);
 267         public const int MQ_ERROR_CANNOT_HASH_DATA_EX = unchecked((int)0xC00E007F);
 268         public const int MQ_ERROR_CANNOT_SIGN_DATA_EX = unchecked((int)0xC00E0080);
 269         public const int MQ_ERROR_CANNOT_CREATE_HASH_EX = unchecked((int)0xC00E0081);
 270         public const int MQ_ERROR_FAIL_VERIFY_SIGNATURE_EX = unchecked((int)0xC00E0082);
 271         public const int MQ_ERROR_CANNOT_DELETE_PSC_OBJECTS = unchecked((int)0xC00E0083);
 272         public const int MQ_ERROR_NO_MQUSER_OU = unchecked((int)0xC00E0084);
 273         public const int MQ_ERROR_CANNOT_LOAD_MQAD = unchecked((int)0xC00E0085);
 274         public const int MQ_ERROR_CANNOT_LOAD_MQDSSRV = unchecked((int)0xC00E0086);
 275         public const int MQ_ERROR_PROPERTIES_CONFLICT = unchecked((int)0xC00E0087);
 276         public const int MQ_ERROR_MESSAGE_NOT_FOUND = unchecked((int)0xC00E0088);
 277         public const int MQ_ERROR_CANT_RESOLVE_SITES = unchecked((int)0xC00E0089);
 278         public const int MQ_ERROR_NOT_SUPPORTED_BY_DEPENDENT_CLIENTS = unchecked((int)0xC00E008A);
 279         public const int MQ_ERROR_OPERATION_NOT_SUPPORTED_BY_REMOTE_COMPUTER = unchecked((int)0xC00E008B);
 280         public const int MQ_ERROR_NOT_A_CORRECT_OBJECT_CLASS = unchecked((int)0xC00E008C);
 281         public const int MQ_ERROR_MULTI_SORT_KEYS = unchecked((int)0xC00E008D);
 282         public const int MQ_ERROR_GC_NEEDED = unchecked((int)0xC00E008E);
 283         public const int MQ_ERROR_DS_BIND_ROOT_FOREST = unchecked((int)0xC00E008F);
 284         public const int MQ_ERROR_DS_LOCAL_USER = unchecked((int)0xC00E0090);
 285         public const int MQ_ERROR_Q_ADS_PROPERTY_NOT_SUPPORTED = unchecked((int)0xC00E0091);
 286         public const int MQ_ERROR_BAD_XML_FORMAT = unchecked((int)0xC00E0092);
 287         public const int MQ_ERROR_UNSUPPORTED_CLASS = unchecked((int)0xC00E0093);
 288         public const int MQ_ERROR_UNINITIALIZED_OBJECT = unchecked((int)0xC00E0094);
 289         public const int MQ_ERROR_CANNOT_CREATE_PSC_OBJECTS = unchecked((int)0xC00E0095);
 290         public const int MQ_ERROR_CANNOT_UPDATE_PSC_OBJECTS = unchecked((int)0xC00E0096);
 291         public const int MQ_ERROR_MESSAGE_LOCKED_UNDER_TRANSACTION = unchecked((int)0xC00E009C);
 292
 293         public const int MQMSG_DELIVERY_EXPRESS = 0;
 294         public const int MQMSG_DELIVERY_RECOVERABLE = 1;
 295
 296         public const int PROPID_M_MSGID_SIZE = 20;
 297         public const int PROPID_M_CORRELATIONID_SIZE = 20;
 298
 299         public const int MQ_MAX_MSG_LABEL_LEN = 250;
 300
 301         public const int MQMSG_JOURNAL_NONE = 0;
 302         public const int MQMSG_DEADLETTER = 1;
 303         public const int MQMSG_JOURNAL = 2;
 304
 305         public const int MQMSG_ACKNOWLEDGMENT_NONE = 0x00;
 306         public const int MQMSG_ACKNOWLEDGMENT_POS_ARRIVAL = 0x01;
 307         public const int MQMSG_ACKNOWLEDGMENT_POS_RECEIVE = 0x02;
 308         public const int MQMSG_ACKNOWLEDGMENT_NEG_ARRIVAL = 0x04;
 309         public const int MQMSG_ACKNOWLEDGMENT_NEG_RECEIVE = 0x08;
 310
 311         public const int MQMSG_CLASS_NORMAL = 0x0;
 312         public const int MQMSG_CLASS_REPORT = 0x1;
 313
 314         public const int MQMSG_SENDERID_TYPE_NONE = 0;
 315         public const int MQMSG_SENDERID_TYPE_SID = 1;
 316
 317         public const int MQMSG_AUTH_LEVEL_NONE = 0;
 318         public const int MQMSG_AUTH_LEVEL_ALWAYS = 1;
 319
 320         public const int MQMSG_PRIV_LEVEL_NONE = 0;
 321         public const int MQMSG_PRIV_LEVEL_BODY_BASE = 0x01;
 322         public const int MQMSG_PRIV_LEVEL_BODY_ENHANCED = 0x03;
 323
 324         public const int MQMSG_TRACE_NONE = 0;
 325         public const int MQMSG_SEND_ROUTE_TO_REPORT_QUEUE = 1;
 326
 327         public const int PROPID_M_BASE = 0;
 328         public const int PROPID_M_CLASS = (PROPID_M_BASE + 1);                  /* VT_UI2           */
 329         public const int PROPID_M_MSGID = (PROPID_M_BASE + 2);                  /* VT_UI1|VT_VECTOR */
 330         public const int PROPID_M_CORRELATIONID = (PROPID_M_BASE + 3);          /* VT_UI1|VT_VECTOR */
 331         public const int PROPID_M_PRIORITY = (PROPID_M_BASE + 4);               /* VT_UI1           */
 332         public const int PROPID_M_DELIVERY = (PROPID_M_BASE + 5);               /* VT_UI1           */
 333         public const int PROPID_M_ACKNOWLEDGE = (PROPID_M_BASE + 6);            /* VT_UI1           */
 334         public const int PROPID_M_JOURNAL = (PROPID_M_BASE + 7);                /* VT_UI1           */
 335         public const int PROPID_M_APPSPECIFIC = (PROPID_M_BASE + 8);            /* VT_UI4           */
 336         public const int PROPID_M_BODY = (PROPID_M_BASE + 9);                   /* VT_UI1|VT_VECTOR */
 337         public const int PROPID_M_BODY_SIZE = (PROPID_M_BASE + 10);             /* VT_UI4           */
 338         public const int PROPID_M_LABEL = (PROPID_M_BASE + 11);                 /* VT_LPWSTR        */
 339         public const int PROPID_M_LABEL_LEN = (PROPID_M_BASE + 12);             /* VT_UI4           */
 340         public const int PROPID_M_TIME_TO_REACH_QUEUE = (PROPID_M_BASE + 13);   /* VT_UI4           */
 341         public const int PROPID_M_TIME_TO_BE_RECEIVED = (PROPID_M_BASE + 14);   /* VT_UI4           */
 342         public const int PROPID_M_RESP_QUEUE = (PROPID_M_BASE + 15);            /* VT_LPWSTR        */
 343         public const int PROPID_M_RESP_QUEUE_LEN = (PROPID_M_BASE + 16);        /* VT_UI4           */
 344         public const int PROPID_M_ADMIN_QUEUE = (PROPID_M_BASE + 17);           /* VT_LPWSTR        */
 345         public const int PROPID_M_ADMIN_QUEUE_LEN = (PROPID_M_BASE + 18);       /* VT_UI4           */
 346         public const int PROPID_M_VERSION = (PROPID_M_BASE + 19);               /* VT_UI4           */
 347         public const int PROPID_M_SENDERID = (PROPID_M_BASE + 20);              /* VT_UI1|VT_VECTOR */
 348         public const int PROPID_M_SENDERID_LEN = (PROPID_M_BASE + 21);          /* VT_UI4           */
 349         public const int PROPID_M_SENDERID_TYPE = (PROPID_M_BASE + 22);         /* VT_UI4           */
 350         public const int PROPID_M_PRIV_LEVEL = (PROPID_M_BASE + 23);            /* VT_UI4           */
 351         public const int PROPID_M_AUTH_LEVEL = (PROPID_M_BASE + 24);            /* VT_UI4           */
 352         public const int PROPID_M_AUTHENTICATED = (PROPID_M_BASE + 25);         /* VT_UI1           */
 353         public const int PROPID_M_HASH_ALG = (PROPID_M_BASE + 26);              /* VT_UI4           */
 354         public const int PROPID_M_ENCRYPTION_ALG = (PROPID_M_BASE + 27);        /* VT_UI4           */
 355         public const int PROPID_M_SENDER_CERT = (PROPID_M_BASE + 28);           /* VT_UI1|VT_VECTOR */
 356         public const int PROPID_M_SENDER_CERT_LEN = (PROPID_M_BASE + 29);       /* VT_UI4           */
 357         public const int PROPID_M_SRC_MACHINE_ID = (PROPID_M_BASE + 30);        /* VT_CLSID         */
 358         public const int PROPID_M_SENTTIME = (PROPID_M_BASE + 31);              /* VT_UI4           */
 359         public const int PROPID_M_ARRIVEDTIME = (PROPID_M_BASE + 32);           /* VT_UI4           */
 360         public const int PROPID_M_DEST_QUEUE = (PROPID_M_BASE + 33);            /* VT_LPWSTR        */
 361         public const int PROPID_M_DEST_QUEUE_LEN = (PROPID_M_BASE + 34);        /* VT_UI4           */
 362         public const int PROPID_M_EXTENSION = (PROPID_M_BASE + 35);             /* VT_UI1|VT_VECTOR */
 363         public const int PROPID_M_EXTENSION_LEN = (PROPID_M_BASE + 36);         /* VT_UI4           */
 364         public const int PROPID_M_SECURITY_CONTEXT = (PROPID_M_BASE + 37);      /* VT_UI4           */
 365         public const int PROPID_M_CONNECTOR_TYPE = (PROPID_M_BASE + 38);        /* VT_CLSID         */
 366         public const int PROPID_M_XACT_STATUS_QUEUE = (PROPID_M_BASE + 39);     /* VT_LPWSTR        */
 367         public const int PROPID_M_XACT_STATUS_QUEUE_LEN = (PROPID_M_BASE + 40); /* VT_UI4           */
 368         public const int PROPID_M_TRACE = (PROPID_M_BASE + 41);                 /* VT_UI1           */
 369         public const int PROPID_M_BODY_TYPE = (PROPID_M_BASE + 42);             /* VT_UI4           */
 370         public const int PROPID_M_DEST_SYMM_KEY = (PROPID_M_BASE + 43);         /* VT_UI1|VT_VECTOR */
 371         public const int PROPID_M_DEST_SYMM_KEY_LEN = (PROPID_M_BASE + 44);     /* VT_UI4           */
 372         public const int PROPID_M_SIGNATURE = (PROPID_M_BASE + 45);             /* VT_UI1|VT_VECTOR */
 373         public const int PROPID_M_SIGNATURE_LEN = (PROPID_M_BASE + 46);         /* VT_UI4           */
 374         public const int PROPID_M_PROV_TYPE = (PROPID_M_BASE + 47);             /* VT_UI4           */
 375         public const int PROPID_M_PROV_NAME = (PROPID_M_BASE + 48);             /* VT_LPWSTR        */
 376         public const int PROPID_M_PROV_NAME_LEN = (PROPID_M_BASE + 49);         /* VT_UI4           */
 377         public const int PROPID_M_FIRST_IN_XACT = (PROPID_M_BASE + 50);         /* VT_UI1           */
 378         public const int PROPID_M_LAST_IN_XACT = (PROPID_M_BASE + 51);          /* VT_UI1           */
 379         public const int PROPID_M_XACTID = (PROPID_M_BASE + 52);                /* VT_UI1|VT_VECTOR */
 380         public const int PROPID_M_AUTHENTICATED_EX = (PROPID_M_BASE + 53);      /* VT_UI1           */
 381
 382         public const int PROPID_M_RESP_FORMAT_NAME = (PROPID_M_BASE + 54);      /* VT_LPWSTR        */
 383         public const int PROPID_M_RESP_FORMAT_NAME_LEN = (PROPID_M_BASE + 55);  /* VT_UI4           */
 384         public const int PROPID_M_DEST_FORMAT_NAME = (PROPID_M_BASE + 58);      /* VT_LPWSTR        */
 385         public const int PROPID_M_DEST_FORMAT_NAME_LEN = (PROPID_M_BASE + 59);  /* VT_UI4           */
 386         public const int PROPID_M_LOOKUPID = (PROPID_M_BASE + 60);              /* VT_UI8           */
 387         public const int PROPID_M_SOAP_ENVELOPE = (PROPID_M_BASE + 61);         /* VT_LPWSTR        */
 388         public const int PROPID_M_SOAP_ENVELOPE_LEN = (PROPID_M_BASE + 62);     /* VT_UI4           */
 389         public const int PROPID_M_COMPOUND_MESSAGE = (PROPID_M_BASE + 63);      /* VT_UI1|VT_VECTOR */
 390         public const int PROPID_M_COMPOUND_MESSAGE_SIZE = (PROPID_M_BASE + 64); /* VT_UI4           */
 391         public const int PROPID_M_SOAP_HEADER = (PROPID_M_BASE + 65);           /* VT_LPWSTR        */
 392         public const int PROPID_M_SOAP_BODY = (PROPID_M_BASE + 66);             /* VT_LPWSTR        */
 393         public const int PROPID_M_DEADLETTER_QUEUE = (PROPID_M_BASE + 67);      /* VT_LPWSTR        */
 394         public const int PROPID_M_DEADLETTER_QUEUE_LEN = (PROPID_M_BASE + 68);  /* VT_UI4           */
 395         public const int PROPID_M_ABORT_COUNT = (PROPID_M_BASE + 69);           /* VT_UI4           */
 396         public const int PROPID_M_MOVE_COUNT = (PROPID_M_BASE + 70);            /* VT_UI4           */
 397         public const int PROPID_M_GROUP_ID = (PROPID_M_BASE + 71);              /* VT_LPWSTR        */
 398         public const int PROPID_M_GROUP_ID_LEN = (PROPID_M_BASE + 72);          /* VT_UI4           */
 399         public const int PROPID_M_FIRST_IN_GROUP = (PROPID_M_BASE + 73);        /* VT_UI1           */
 400         public const int PROPID_M_LAST_IN_GROUP = (PROPID_M_BASE + 74);         /* VT_UI1           */
 401         public const int PROPID_M_LAST_MOVE_TIME = (PROPID_M_BASE + 75);        /* VT_UI4           */
 402
 403         public const int PROPID_Q_BASE = 100;
 404         public const int PROPID_Q_INSTANCE = (PROPID_Q_BASE + 1);              /* VT_CLSID         */
 405         public const int PROPID_Q_TYPE = (PROPID_Q_BASE + 2);                  /* VT_CLSID         */
 406         public const int PROPID_Q_PATHNAME = (PROPID_Q_BASE + 3);              /* VT_LPWSTR        */
 407         public const int PROPID_Q_JOURNAL = (PROPID_Q_BASE + 4);               /* VT_UI1           */
 408         public const int PROPID_Q_QUOTA = (PROPID_Q_BASE + 5);                 /* VT_UI4           */
 409         public const int PROPID_Q_BASEPRIORITY = (PROPID_Q_BASE + 6);          /* VT_I2            */
 410         public const int PROPID_Q_JOURNAL_QUOTA = (PROPID_Q_BASE + 7);         /* VT_UI4           */
 411         public const int PROPID_Q_LABEL = (PROPID_Q_BASE + 8);                 /* VT_LPWSTR        */
 412         public const int PROPID_Q_CREATE_TIME = (PROPID_Q_BASE + 9);           /* VT_I4            */
 413         public const int PROPID_Q_MODIFY_TIME = (PROPID_Q_BASE + 10);           /* VT_I4            */
 414         public const int PROPID_Q_AUTHENTICATE = (PROPID_Q_BASE + 11);          /* VT_UI1           */
 415         public const int PROPID_Q_PRIV_LEVEL = (PROPID_Q_BASE + 12);            /* VT_UI4           */
 416         public const int PROPID_Q_TRANSACTION = (PROPID_Q_BASE + 13);           /* VT_UI1           */
 417         public const int PROPID_Q_PATHNAME_DNS = (PROPID_Q_BASE + 24);          /* VT_LPWSTR        */
 418         public const int PROPID_Q_MULTICAST_ADDRESS = (PROPID_Q_BASE + 25);     /* VT_LPWSTR        */
 419         public const int PROPID_Q_ADS_PATH = (PROPID_Q_BASE + 26);              /* VT_LPWSTR        */
 420
 421         public const int PROPID_PC_BASE = 5800;
 422         public const int PROPID_PC_VERSION = (PROPID_PC_BASE + 1);              /* VT_UI4           */
 423         public const int PROPID_PC_DS_ENABLED = (PROPID_PC_BASE + 2);           /* VT_BOOL          */
 424
 425         public const int PROPID_MGMT_QUEUE_BASE = 0;
 426         public const int PROPID_MGMT_QUEUE_SUBQUEUE_NAMES = (PROPID_MGMT_QUEUE_BASE + 27); /* VT_LPWSTR|VT_VECTOR */
 427
 428         public const int MQ_TRANSACTIONAL_NONE = 0;
 429         public const int MQ_TRANSACTIONAL = 1;
 430
 431         public const int ALG_CLASS_HASH = (4 << 13);
 432         public const int ALG_CLASS_DATA_ENCRYPT = (3 << 13);
 433
 434         public const int ALG_TYPE_ANY = 0;
 435         public const int ALG_TYPE_STREAM = (4 << 9);
 436         public const int ALG_TYPE_BLOCK = (3 << 9);
 437
 438         public const int ALG_SID_MD5 = 3;
 439         public const int ALG_SID_SHA1 = 4;
 440         public const int ALG_SID_SHA_256 = 12;
 441         public const int ALG_SID_SHA_512 = 14;
 442
 443         public const int ALG_SID_RC4 = 1;
 444         public const int ALG_SID_AES = 17;
 445
 446         public const int CALG_MD5 = ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_MD5;
 447         public const int CALG_SHA1 = ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA1;
 448         public const int CALG_SHA_256 = ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_256;
 449         public const int CALG_SHA_512 = ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_512;
 450
 451         public const int CALG_RC4 = ALG_CLASS_DATA_ENCRYPT | ALG_TYPE_STREAM | ALG_SID_RC4;
 452         public const int CALG_AES = ALG_CLASS_DATA_ENCRYPT | ALG_TYPE_BLOCK | ALG_SID_AES;
 453
 454         public const int PROV_RSA_AES = 24;
 455         public const string MS_ENH_RSA_AES_PROV = "Microsoft Enhanced RSA and AES Cryptographic Provider";
 456
 457         public const ushort VT_NULL = 1;
 458         public const ushort VT_BOOL = 11;
 459         public const ushort VT_UI1 = 17;
 460         public const ushort VT_UI2 = 18;
 461         public const ushort VT_UI4 = 19;
 462         public const ushort VT_UI8 = 21;
 463         public const ushort VT_LPWSTR = 31;
 464         public const ushort VT_VECTOR = 0x1000;
 465
 466         public const uint MAX_PATH = 260;
 467
 468         public const uint LOAD_LIBRARY_AS_DATAFILE = 0x00000002;
 469         public const uint LOAD_LIBRARY_SEARCH_SYSTEM32 = 0x00000800;
 470
 471         [StructLayout(LayoutKind.Sequential)]
 472         internal class SECURITY_ATTRIBUTES
 473         {
 474             internal int nLength = Marshal.SizeOf(typeof(SECURITY_ATTRIBUTES));
 475             internal IntPtr lpSecurityDescriptor = IntPtr.Zero;
 476             internal bool bInheritHandle = false;
 477         }
 478
 479         public unsafe delegate void MQReceiveCallback(int error, IntPtr handle, int timeout,
 480             int action, IntPtr props, NativeOverlapped* nativeOverlapped, IntPtr cursor);
 481
 482         [DllImport(KERNEL32), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
 483         [ResourceExposure(ResourceScope.None)]
 484         internal static extern int CloseHandle
 485         (
 486             IntPtr handle
 487         );
 488
 489         [DllImport(SECUR32), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
 490         [ResourceExposure(ResourceScope.None)]
 491         internal static extern int SspiFreeAuthIdentity(
 492                [In] IntPtr ppAuthIdentity
 493           );
 494
 495         [DllImport(SECUR32), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
 496         [ResourceExposure(ResourceScope.None)]
 497         internal static extern uint SspiExcludePackage(
 498         [In] IntPtr AuthIdentity,
 499         [MarshalAs(UnmanagedType.LPWStr)]
 500         [In] string pszPackageName,
 501         [Out] out IntPtr ppNewAuthIdentity);
 502
 503         [DllImport(KERNEL32, SetLastError = true)]
 504         [ResourceExposure(ResourceScope.None)]
 505         internal unsafe static extern int ConnectNamedPipe
 506         (
 507             PipeHandle handle,
 508             NativeOverlapped* lpOverlapped
 509         );
 510
 511         [DllImport(KERNEL32, CharSet = CharSet.Unicode, SetLastError = true)]
 512         [ResourceExposure(ResourceScope.Machine)]
 513         internal static extern PipeHandle CreateFile
 514         (
 515             string lpFileName,
 516             int dwDesiredAccess,
 517             int dwShareMode,
 518             IntPtr lpSECURITY_ATTRIBUTES,
 519             int dwCreationDisposition,
 520             int dwFlagsAndAttributes,
 521             IntPtr hTemplateFile
 522         );
 523
 524         [DllImport(KERNEL32, CharSet = CharSet.Unicode, SetLastError = true)]
 525         [ResourceExposure(ResourceScope.None)]
 526         internal static extern SafeFileMappingHandle CreateFileMapping(
 527             IntPtr fileHandle,
 528             SECURITY_ATTRIBUTES securityAttributes,
 529             int protect,
 530             int sizeHigh,
 531             int sizeLow,
 532             string name
 533         );
 534
 535         [DllImport(KERNEL32, CharSet = CharSet.Unicode, SetLastError = true)]
 536         [ResourceExposure(ResourceScope.Machine)]
 537         internal unsafe static extern PipeHandle CreateNamedPipe
 538         (
 539             string name,
 540             int openMode,
 541             int pipeMode,
 542             int maxInstances,
 543             int outBufSize,
 544             int inBufSize,
 545             int timeout,
 546             SECURITY_ATTRIBUTES securityAttributes
 547         );
 548
 549         [DllImport(KERNEL32, SetLastError = true)]
 550         [ResourceExposure(ResourceScope.None)]
 551         internal unsafe static extern int DisconnectNamedPipe
 552         (
 553             PipeHandle handle
 554         );
 555
 556         [DllImport(KERNEL32, ExactSpelling = true, SetLastError = true)]
 557         [ResourceExposure(ResourceScope.None)]
 558         internal static extern bool DuplicateHandle(
 559             IntPtr hSourceProcessHandle,
 560             PipeHandle hSourceHandle,
 561             SafeCloseHandle hTargetProcessHandle,
 562             out IntPtr lpTargetHandle,
 563             int dwDesiredAccess,
 564             bool bInheritHandle,
 565             int dwOptions
 566         );
 567
 568         [DllImport(KERNEL32, CharSet = CharSet.Unicode)]
 569         [ResourceExposure(ResourceScope.None)]
 570         internal static extern int FormatMessage
 571         (
 572             int dwFlags,
 573             IntPtr lpSource,
 574             int dwMessageId,
 575             int dwLanguageId,
 576             StringBuilder lpBuffer,
 577             int nSize,
 578             IntPtr arguments
 579         );
 580
 581         [DllImport(KERNEL32, CharSet = CharSet.Unicode)]
 582         [ResourceExposure(ResourceScope.None)]
 583         internal static extern int FormatMessage
 584         (
 585             int dwFlags,
 586             SafeLibraryHandle lpSource,
 587             int dwMessageId,
 588             int dwLanguageId,
 589             StringBuilder lpBuffer,
 590             int nSize,
 591             IntPtr arguments
 592         );
 593
 594         [DllImport(KERNEL32, SetLastError = true)]
 595         [ResourceExposure(ResourceScope.None)]
 596         unsafe internal static extern int GetOverlappedResult
 597         (
 598             PipeHandle handle,
 599             NativeOverlapped* overlapped,
 600             out int bytesTransferred,
 601             int wait
 602         );
 603
 604         // This p/invoke is for perf-sensitive codepaths which can guarantee a valid handle via custom locking.
 605         [DllImport(KERNEL32, SetLastError = true)]
 606         [ResourceExposure(ResourceScope.None)]
 607         unsafe internal static extern int GetOverlappedResult
 608         (
 609             IntPtr handle,
 610             NativeOverlapped* overlapped,
 611             out int bytesTransferred,
 612             int wait
 613         );
 614
 615         // NOTE: a macro in win32
 616         [PermissionSet(SecurityAction.Demand, Unrestricted = true), SecuritySafeCritical]
 617         internal unsafe static bool HasOverlappedIoCompleted(
 618             NativeOverlapped* overlapped)
 619         {
 620             return overlapped->InternalLow != (IntPtr)STATUS_PENDING;
 621         }
 622
 623         [DllImport(KERNEL32, SetLastError = true, CharSet = CharSet.Unicode)]
 624         [ResourceExposure(ResourceScope.Machine)]
 625         internal static extern SafeFileMappingHandle OpenFileMapping
 626         (
 627             int access,
 628             bool inheritHandle,
 629             string name
 630         );
 631
 632         [DllImport(KERNEL32, SetLastError = true)]
 633         [ResourceExposure(ResourceScope.None)]
 634         internal static extern SafeViewOfFileHandle MapViewOfFile
 635         (
 636             SafeFileMappingHandle handle,
 637             int dwDesiredAccess,
 638             int dwFileOffsetHigh,
 639             int dwFileOffsetLow,
 640             IntPtr dwNumberOfBytesToMap
 641         );
 642
 643         [DllImport(KERNEL32, SetLastError = true)]
 644         [ResourceExposure(ResourceScope.None)]
 645         [SuppressUnmanagedCodeSecurity, HostProtection(SecurityAction.LinkDemand)]
 646         public static extern int QueryPerformanceCounter(out long time);
 647
 648         // This p/invoke is for perf-sensitive codepaths which can guarantee a valid handle via custom locking.
 649         [DllImport(KERNEL32, SetLastError = true)]
 650         [ResourceExposure(ResourceScope.None)]
 651         unsafe internal static extern int ReadFile
 652         (
 653             IntPtr handle,
 654             byte* bytes,
 655             int numBytesToRead,
 656             IntPtr numBytesRead_mustBeZero,
 657             NativeOverlapped* overlapped
 658         );
 659
 660         [DllImport(KERNEL32, SetLastError = true)]
 661         [ResourceExposure(ResourceScope.None)]
 662         internal static extern int SetNamedPipeHandleState
 663         (
 664             PipeHandle handle,
 665             ref int mode,
 666             IntPtr collectionCount,
 667             IntPtr collectionDataTimeout
 668         );
 669
 670         // This p/invoke is for perf-sensitive codepaths which can guarantee a valid handle via custom locking.
 671         [DllImport(KERNEL32, SetLastError = true)]
 672         [ResourceExposure(ResourceScope.None)]
 673         internal static unsafe extern int WriteFile
 674         (
 675             IntPtr handle,
 676             byte* bytes,
 677             int numBytesToWrite,
 678             IntPtr numBytesWritten_mustBeZero,
 679             NativeOverlapped* lpOverlapped
 680         );
 681
 682         [DllImport(KERNEL32, SetLastError = true)]
 683         [ResourceExposure(ResourceScope.None)]
 684         internal static unsafe extern bool GetNamedPipeClientProcessId(PipeHandle handle, out int id);
 685
 686         [DllImport(KERNEL32, SetLastError = true)]
 687         [ResourceExposure(ResourceScope.None)]
 688         internal static unsafe extern bool GetNamedPipeServerProcessId(PipeHandle handle, out int id);
 689
 690         [DllImport(KERNEL32, ExactSpelling = true),
 691         ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
 692         [ResourceExposure(ResourceScope.None)]
 693         internal static extern int UnmapViewOfFile
 694         (
 695             IntPtr lpBaseAddress
 696         );
 697
 698         [DllImport(KERNEL32, ExactSpelling = true)]
 699         [ResourceExposure(ResourceScope.None)]
 700         public static extern bool SetWaitableTimer(SafeWaitHandle handle, ref long dueTime, int period, IntPtr mustBeZero, IntPtr mustBeZeroAlso, bool resume);
 701
 702         [DllImport(KERNEL32, BestFitMapping = false, CharSet = CharSet.Auto)]
 703         [ResourceExposure(ResourceScope.Machine)]
 704         public static extern SafeWaitHandle CreateWaitableTimer(IntPtr mustBeZero, bool manualReset, string timerName);
 705
 706 #if WSARECV
 707         [DllImport(WS2_32, SetLastError = true)]
 708         [ResourceExposure(ResourceScope.None)]
 709         internal static unsafe extern int WSARecv
 710         (
 711             IntPtr handle, WSABuffer* buffers, int bufferCount, out int bytesTransferred,
 712             ref int socketFlags,
 713             NativeOverlapped* nativeOverlapped,
 714             IntPtr completionRoutine
 715         );
 716
 717         [DllImport(WS2_32, SetLastError = true)]
 718         [ResourceExposure(ResourceScope.None)]
 719         internal static unsafe extern bool WSAGetOverlappedResult(
 720                                                  IntPtr socketHandle,
 721                                                  NativeOverlapped* overlapped,
 722                                                  out int bytesTransferred,
 723                                                  bool wait,
 724                                                  out uint flags
 725                                                  );
 726
 727         [StructLayout(LayoutKind.Sequential)]
 728         internal struct WSABuffer
 729         {
 730             public int length;
 731             public IntPtr buffer;
 732         }
 733 #endif
 734
 735         internal static string GetComputerName(ComputerNameFormat nameType)
 736         {
 737             return System.Runtime.Interop.UnsafeNativeMethods.GetComputerName(nameType);
 738         }
 739
 740
 741         [DllImport(USERENV, SetLastError = true)]
 742         internal static extern int DeriveAppContainerSidFromAppContainerName
 743         (
 744             [In, MarshalAs(UnmanagedType.LPWStr)] string appContainerName,
 745             out IntPtr appContainerSid
 746         );
 747
 748         [DllImport(ADVAPI32, SetLastError = true)]
 749         internal static extern IntPtr FreeSid
 750         (
 751             IntPtr pSid
 752         );
 753
 754         // If the function succeeds, the return value is ERROR_SUCCESS and 'packageFamilyNameLength' contains the size of the data copied
 755         // to 'packageFamilyName' (in WCHARs, including the null-terminator). If the function fails, the return value is a Win32 error code.
 756         [DllImport(KERNEL32)]
 757         internal static extern int PackageFamilyNameFromFullName
 758         (
 759             [In, MarshalAs(UnmanagedType.LPWStr)] string packageFullName,
 760             ref uint packageFamilyNameLength,
 761             [In, Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder packageFamilyName
 762         );
 763
 764         [DllImport(KERNEL32, SetLastError = true)]
 765         internal static extern bool GetAppContainerNamedObjectPath
 766         (
 767             IntPtr token,
 768             IntPtr appContainerSid,
 769             uint objectPathLength,
 770             [In, Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder objectPath,
 771             ref uint returnLength
 772         );
 773
 774         [DllImport(KERNEL32, SetLastError = true)]
 775         internal static extern IntPtr GetCurrentProcess();
 776
 777         [DllImport(ADVAPI32, SetLastError = true)]
 778         [ResourceExposure(ResourceScope.None)]
 779         internal static extern bool OpenProcessToken
 780         (
 781             IntPtr ProcessHandle,
 782             TokenAccessLevels DesiredAccess,
 783             out SafeCloseHandle TokenHandle
 784         );
 785
 786         // Token marshalled as byte[]
 787         [DllImport(ADVAPI32, SetLastError = true)]
 788         static extern unsafe bool GetTokenInformation
 789         (
 790             SafeCloseHandle tokenHandle,
 791             TOKEN_INFORMATION_CLASS tokenInformationClass,
 792             byte[] tokenInformation,
 793             uint tokenInformationLength,
 794             out uint returnLength
 795         );
 796
 797         // Token marshalled as uint
 798         [DllImport(ADVAPI32, SetLastError = true)]
 799         static extern bool GetTokenInformation
 800         (
 801             SafeCloseHandle tokenHandle,
 802             TOKEN_INFORMATION_CLASS tokenInformationClass,
 803             out uint tokenInformation,
 804             uint tokenInformationLength,
 805             out uint returnLength
 806         );
 807
 808         internal static unsafe SecurityIdentifier GetAppContainerSid(SafeCloseHandle tokenHandle)
 809         {
 810             // Get length of buffer needed for sid.
 811             uint returnLength = UnsafeNativeMethods.GetTokenInformationLength(
 812                                                         tokenHandle,
 813                                                         TOKEN_INFORMATION_CLASS.TokenAppContainerSid);
 814
 815             byte[] tokenInformation = new byte[returnLength];
 816             fixed (byte* pTokenInformation = tokenInformation)
 817             {
 818                 if (!UnsafeNativeMethods.GetTokenInformation(
 819                                                 tokenHandle,
 820                                                 TOKEN_INFORMATION_CLASS.TokenAppContainerSid,
 821                                                 tokenInformation,
 822                                                 returnLength,
 823                                                 out returnLength))
 824                 {
 825                     int errorCode = Marshal.GetLastWin32Error();
 826                     throw FxTrace.Exception.AsError(new Win32Exception(errorCode));
 827                 }
 828
 829                 TokenAppContainerInfo* ptg = (TokenAppContainerInfo*)pTokenInformation;
 830                 return new SecurityIdentifier(ptg->psid);
 831             }
 832         }
 833
 834         [StructLayout(LayoutKind.Sequential)]
 835         struct TokenAppContainerInfo
 836         {
 837             public IntPtr psid;
 838         }
 839
 840         static uint GetTokenInformationLength(SafeCloseHandle token, TOKEN_INFORMATION_CLASS tokenInformationClass)
 841         {
 842             uint lengthNeeded;
 843             bool success;
 844             if (!(success = GetTokenInformation(
 845                                        token,
 846                                        tokenInformationClass,
 847                                        null,
 848                                        0,
 849                                        out lengthNeeded)))
 850             {
 851                 int error = Marshal.GetLastWin32Error();
 852                 if (error != UnsafeNativeMethods.ERROR_INSUFFICIENT_BUFFER)
 853                 {
 854                     throw FxTrace.Exception.AsError(new Win32Exception(error));
 855                 }
 856             }
 857
 858             Fx.Assert(!success, "Retreving the length should always fail.");
 859
 860             return lengthNeeded;
 861         }
 862
 863         internal static int GetSessionId(SafeCloseHandle tokenHandle)
 864         {
 865             uint sessionId;
 866             uint returnLength;
 867
 868             if (!UnsafeNativeMethods.GetTokenInformation(
 869                                             tokenHandle,
 870                                             TOKEN_INFORMATION_CLASS.TokenSessionId,
 871                                             out sessionId,
 872                                             sizeof(uint),
 873                                             out returnLength))
 874             {
 875                 int errorCode = Marshal.GetLastWin32Error();
 876                 throw FxTrace.Exception.AsError(new Win32Exception(errorCode));
 877             }
 878
 879             return (int)sessionId;
 880         }
 881
 882         internal static bool RunningInAppContainer(SafeCloseHandle tokenHandle)
 883         {
 884             uint runningInAppContainer;
 885             uint returnLength;
 886             if (!UnsafeNativeMethods.GetTokenInformation(
 887                                         tokenHandle,
 888                                         TOKEN_INFORMATION_CLASS.TokenIsAppContainer,
 889                                         out runningInAppContainer,
 890                                         sizeof(uint),
 891                                         out returnLength))
 892             {
 893                 int errorCode = Marshal.GetLastWin32Error();
 894                 throw FxTrace.Exception.AsError(new Win32Exception(errorCode));
 895             }
 896
 897             return runningInAppContainer == 1;
 898         }
 899
 900         [StructLayout(LayoutKind.Sequential)]
 901         public class MQMSGPROPS
 902         {
 903             public int count;
 904             public IntPtr ids;
 905             public IntPtr variants;
 906             public IntPtr status;
 907         }
 908
 909         [StructLayout(LayoutKind.Explicit)]
 910         public struct MQPROPVARIANT
 911         {
 912             [FieldOffset(0)]
 913             public ushort vt;
 914             [FieldOffset(2)]
 915             public ushort reserved1;
 916             [FieldOffset(4)]
 917             public ushort reserved2;
 918             [FieldOffset(6)]
 919             public ushort reserved3;
 920             [FieldOffset(8)]
 921             public byte byteValue;
 922             [FieldOffset(8)]
 923             public short shortValue;
 924             [FieldOffset(8)]
 925             public int intValue;
 926             [FieldOffset(8)]
 927             public long longValue;
 928             [FieldOffset(8)]
 929             public IntPtr intPtr;
 930             [FieldOffset(8)]
 931             public CAUI1 byteArrayValue;
 932             [FieldOffset(8)]
 933             public CALPWSTR stringArraysValue;
 934
 935             [StructLayout(LayoutKind.Sequential)]
 936             public struct CAUI1
 937             {
 938                 public int size;
 939                 public IntPtr intPtr;
 940             }
 941
 942             [StructLayout(LayoutKind.Sequential)]
 943             public struct CALPWSTR
 944             {
 945                 public int count;
 946                 public IntPtr stringArrays;
 947             }
 948         }
 949
 950         [DllImport(MQRT, CharSet = CharSet.Unicode)]
 951         [ResourceExposure(ResourceScope.Machine)]
 952         public static extern int MQOpenQueue(string formatName, int access, int shareMode, out MsmqQueueHandle handle);
 953
 954         [DllImport(MQRT, CharSet = CharSet.Unicode)]
 955         [ResourceExposure(ResourceScope.None)]
 956         public static extern int MQBeginTransaction(out ITransaction refTransaction);
 957
 958         [DllImport(MQRT, CharSet = CharSet.Unicode)]
 959         [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
 960         [ResourceExposure(ResourceScope.None)]
 961         public static extern int MQCloseQueue(IntPtr handle);
 962
 963         [DllImport(MQRT, CharSet = CharSet.Unicode)]
 964         [ResourceExposure(ResourceScope.None)]
 965         public static extern int MQSendMessage(MsmqQueueHandle handle, IntPtr properties, IntPtr transaction);
 966
 967         [DllImport(MQRT, CharSet = CharSet.Unicode)]
 968         [ResourceExposure(ResourceScope.None)]
 969         public static extern int MQSendMessage(MsmqQueueHandle handle, IntPtr properties, IDtcTransaction transaction);
 970
 971         [DllImport(MQRT, CharSet = CharSet.Unicode)]
 972         [ResourceExposure(ResourceScope.None)]
 973         public unsafe static extern int MQReceiveMessage(MsmqQueueHandle handle, int timeout, int action, IntPtr properties,
 974             NativeOverlapped* nativeOverlapped, IntPtr receiveCallback, IntPtr cursorHandle, IntPtr transaction);
 975
 976         [DllImport(MQRT, CharSet = CharSet.Unicode)]
 977         [ResourceExposure(ResourceScope.None)]
 978         public unsafe static extern int MQReceiveMessage(IntPtr handle, int timeout, int action, IntPtr properties,
 979             NativeOverlapped* nativeOverlapped, IntPtr receiveCallback, IntPtr cursorHandle, IntPtr transaction);
 980
 981         [DllImport(MQRT, CharSet = CharSet.Unicode)]
 982         [ResourceExposure(ResourceScope.None)]
 983         public unsafe static extern int MQReceiveMessage(MsmqQueueHandle handle, int timeout, int action, IntPtr properties,
 984             NativeOverlapped* nativeOverlapped, IntPtr receiveCallback, IntPtr cursorHandle, IDtcTransaction transaction);
 985
 986         [DllImport(MQRT, CharSet = CharSet.Unicode)]
 987         [ResourceExposure(ResourceScope.None)]
 988         public unsafe static extern int MQReceiveMessage(IntPtr handle, int timeout, int action, IntPtr properties,
 989             NativeOverlapped* nativeOverlapped, IntPtr receiveCallback, IntPtr cursorHandle, IDtcTransaction transaction);
 990
 991         [DllImport(MQRT, CharSet = CharSet.Unicode)]
 992         [ResourceExposure(ResourceScope.None)]
 993         public unsafe static extern int MQReceiveMessage(MsmqQueueHandle handle, int timeout, int action, IntPtr properties,
 994             NativeOverlapped* nativeOverlapped, MQReceiveCallback receiveCallback, IntPtr cursorHandle, IntPtr transaction);
 995
 996         [DllImport(MQRT, CharSet = CharSet.Unicode)]
 997         [ResourceExposure(ResourceScope.None)]
 998         public unsafe static extern int MQReceiveMessage(IntPtr handle, int timeout, int action, IntPtr properties,
 999             NativeOverlapped* nativeOverlapped, IntPtr receiveCallback, IntPtr cursorHandle, ITransaction transaction);
1000
1001         [DllImport(MQRT, CharSet = CharSet.Unicode)]
1002         [ResourceExposure(ResourceScope.None)]
1003         public unsafe static extern int MQReceiveMessageByLookupId(MsmqQueueHandle handle, long lookupId, int action,
1004             IntPtr properties, NativeOverlapped* nativeOverlapped, IntPtr receiveCallback, IDtcTransaction transaction);
1005
1006         [DllImport(MQRT, CharSet = CharSet.Unicode)]
1007         [ResourceExposure(ResourceScope.None)]
1008         public unsafe static extern int MQReceiveMessageByLookupId(MsmqQueueHandle handle, long lookupId, int action,
1009             IntPtr properties, NativeOverlapped* nativeOverlapped, IntPtr receiveCallback, IntPtr transaction);
1010
1011         [DllImport(MQRT, CharSet = CharSet.Unicode)]
1012         [ResourceExposure(ResourceScope.None)]
1013         public unsafe static extern int MQReceiveMessageByLookupId(MsmqQueueHandle handle, long lookupId, int action,
1014             IntPtr properties, NativeOverlapped* nativeOverlapped, IntPtr receiveCallback, ITransaction transaction);
1015
1016         [DllImport(MQRT, CharSet = CharSet.Unicode)]
1017         [ResourceExposure(ResourceScope.None)]
1018         public unsafe static extern int MQGetPrivateComputerInformation(string computerName, IntPtr properties);
1019
1020         [DllImport(MQRT, CharSet = CharSet.Unicode)]
1021         [ResourceExposure(ResourceScope.None)]
1022         public unsafe static extern int MQMarkMessageRejected(MsmqQueueHandle handle, long lookupId);
1023
1024         [DllImport(MQRT, CharSet = CharSet.Unicode)]
1025         [ResourceExposure(ResourceScope.None)]
1026         public static extern int MQMoveMessage(MsmqQueueHandle sourceQueueHandle,
1027                                                MsmqQueueHandle destinationQueueHandle,
1028                                                long lookupId,
1029                                                IntPtr transaction);
1030
1031         [DllImport(MQRT, CharSet = CharSet.Unicode)]
1032         [ResourceExposure(ResourceScope.None)]
1033         public static extern int MQMoveMessage(MsmqQueueHandle sourceQueueHandle,
1034                                                MsmqQueueHandle destinationQueueHandle,
1035                                                long lookupId,
1036                                                IDtcTransaction transaction);
1037
1038         [DllImport(MQRT, CharSet = CharSet.Unicode)]
1039         [ResourceExposure(ResourceScope.None)]
1040         public unsafe static extern int MQGetOverlappedResult(NativeOverlapped* nativeOverlapped);
1041
1042         [DllImport(MQRT, CharSet = CharSet.Unicode)]
1043         [ResourceExposure(ResourceScope.None)]
1044         public unsafe static extern int MQGetQueueProperties(string formatName, IntPtr properties);
1045
1046         [DllImport(MQRT, CharSet = CharSet.Unicode)]
1047         [ResourceExposure(ResourceScope.None)]
1048         public unsafe static extern int MQPathNameToFormatName(string pathName, StringBuilder formatName, ref int count);
1049
1050         [DllImport(MQRT, CharSet = CharSet.Unicode)]
1051         [ResourceExposure(ResourceScope.None)]
1052         public unsafe static extern int MQMgmtGetInfo(string computerName, string objectName, IntPtr properties);
1053
1054         [DllImport(MQRT, CharSet = CharSet.Unicode)]
1055         [ResourceExposure(ResourceScope.None)]
1056         public unsafe static extern void MQFreeMemory(IntPtr nativeBuffer);
1057
1058         [DllImport(KERNEL32, SetLastError = true)]
1059         [ResourceExposure(ResourceScope.None)]
1060         public unsafe static extern int GetHandleInformation(MsmqQueueHandle handle, out int flags);
1061
1062         [StructLayout(LayoutKind.Sequential)]
1063         public struct MEMORYSTATUSEX
1064         {
1065             public uint dwLength;
1066             public uint dwMemoryLoad;
1067             public ulong ullTotalPhys;
1068             public ulong ullAvailPhys;
1069             public ulong ullTotalPageFile;
1070             public ulong ullAvailPageFile;
1071             public ulong ullTotalVirtual;
1072             public ulong ullAvailVirtual;
1073             public ulong ullAvailExtendedVirtual;
1074         }
1075
1076         [DllImport(KERNEL32, SetLastError = true)]
1077         [ResourceExposure(ResourceScope.None)]
1078         public static extern bool GlobalMemoryStatusEx(ref MEMORYSTATUSEX lpBuffer);
1079
1080         [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
1081         [DllImport(KERNEL32, CallingConvention = CallingConvention.StdCall, SetLastError = true)]
1082         [ResourceExposure(ResourceScope.None)]
1083         internal static extern IntPtr VirtualAlloc(IntPtr lpAddress, UIntPtr dwSize, uint flAllocationType, uint flProtect);
1084
1085         [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
1086         [DllImport(KERNEL32, CallingConvention = CallingConvention.StdCall, SetLastError = true)]
1087         [ResourceExposure(ResourceScope.None)]
1088         internal static extern bool VirtualFree(IntPtr lpAddress, UIntPtr dwSize, uint dwFreeType);
1089
1090         [DllImport(KERNEL32, CharSet = CharSet.Auto)]
1091         [ResourceExposure(ResourceScope.None)]
1092         internal static extern IntPtr GetProcAddress(SafeLibraryHandle hModule, [In, MarshalAs(UnmanagedType.LPStr)]string lpProcName);
1093
1094         [DllImport(KERNEL32, CharSet = CharSet.Unicode, SetLastError = true)]
1095         [ResourceExposure(ResourceScope.Process)]
1096         internal static extern SafeLibraryHandle LoadLibrary(string libFilename);
1097
1098         [DllImport(KERNEL32, CharSet = CharSet.Auto, SetLastError = true)]
1099         [ResourceExposure(ResourceScope.Process)]
1100         internal static extern SafeLibraryHandle LoadLibraryEx(string lpModuleName, IntPtr hFile, uint dwFlags);
1101
1102         // On Vista and higher, check the value of the machine FIPS policy
1103         [DllImport(BCRYPT, SetLastError = true)]
1104         [ResourceExposure(ResourceScope.None)]
1105         internal static extern int BCryptGetFipsAlgorithmMode(
1106             [MarshalAs(UnmanagedType.U1), Out] out bool pfEnabled
1107             );
1108
1109 #if !FEATURE_CORECLR
1110         private static IntPtr GetCurrentProcessToken() { return new IntPtr(-4); }
1111
1112         enum AppPolicyClrCompat
1113         {
1114             AppPolicyClrCompat_Others = 0,
1115             AppPolicyClrCompat_ClassicDesktop = 1,
1116             AppPolicyClrCompat_Universal = 2,
1117             AppPolicyClrCompat_PackagedDesktop = 3
1118         };
1119
1120         [DllImport(KERNEL32, CharSet = CharSet.None, EntryPoint = "AppPolicyGetClrCompat")]
1121         [System.Security.SecuritySafeCritical]
1122         [return: MarshalAs(UnmanagedType.I4)]
1123         private static extern Int32 _AppPolicyGetClrCompat(IntPtr processToken, out AppPolicyClrCompat appPolicyClrCompat);
1124
1125         // AppModel.h functions (Win8+)
1126         [DllImport(KERNEL32, CharSet = CharSet.None, EntryPoint = "GetCurrentPackageId")]
1127         [System.Security.SecuritySafeCritical]
1128         [return: MarshalAs(UnmanagedType.I4)]
1129         private static extern Int32 _GetCurrentPackageId(ref Int32 pBufferLength, Byte[] pBuffer);
1130
1131         [DllImport(KERNEL32, CharSet=System.Runtime.InteropServices.CharSet.Auto, BestFitMapping=false)]
1132         [ResourceExposure(ResourceScope.Machine)]
1133         private static extern IntPtr GetModuleHandle(string modName);
1134
1135         // Copied from Win32Native.cs
1136         // Note - do NOT use this to call methods.  Use P/Invoke, which will
1137         // do much better things w.r.t. marshaling, pinning memory, security
1138         // stuff, better interactions with thread aborts, etc.  This is used
1139         // solely by DoesWin32MethodExist for avoiding try/catch EntryPointNotFoundException
1140         // in scenarios where an OS Version check is insufficient
1141         [DllImport(KERNEL32, CharSet=CharSet.Ansi, BestFitMapping=false, SetLastError=true, ExactSpelling=true)]
1142         [ResourceExposure(ResourceScope.None)]
1143         private static extern IntPtr GetProcAddress(IntPtr hModule, String methodName);
1144
1145         [System.Security.SecurityCritical]  // auto-generated
1146         private static bool DoesWin32MethodExist(String moduleName, String methodName)
1147         {
1148             // GetModuleHandle does not increment the module's ref count, so we don't need to call FreeLibrary.
1149             IntPtr hModule = GetModuleHandle(moduleName);
1150             if (hModule == IntPtr.Zero) {
1151                 System.Diagnostics.Debug.Assert(hModule != IntPtr.Zero, "GetModuleHandle failed.  Dll isn't loaded?");
1152                 return false;
1153             }
1154             IntPtr functionPointer = GetProcAddress(hModule, methodName);
1155             return (functionPointer != IntPtr.Zero);
1156         }
1157
1158         // On CoreCLR this is not the way to determine if a process is a tailored application (which means APPX).
1159         // On CoreCLR AppX is determined by a flag past to the host which is exposed by AppDomain.IsAppXProcess in mscorlib.
1160         // The reason for this if-def is to ensure nobody takes a dependency on this on CoreCLR.
1161         [System.Security.SecuritySafeCritical]
1162         private static bool _IsTailoredApplication()
1163         {
1164             Version windows8Version = new Version(6, 2, 0, 0);
1165             OperatingSystem os = Environment.OSVersion;
1166             bool osSupportsPackagedProcesses = os.Platform == PlatformID.Win32NT && os.Version >= windows8Version;
1167
1168             if (osSupportsPackagedProcesses && DoesWin32MethodExist(KERNEL32, "AppPolicyGetClrCompat"))
1169             {
1170                 // Use AppPolicyGetClrCompat if it is available. Return true if and only if this is a UWA which means if
1171                 // this is packaged desktop app this method will return false. This may cause some confusion however
1172                 // this is necessary to make the behavior of packaged desktop apps identical to desktop apps.
1173                 AppPolicyClrCompat appPolicyClrCompat;
1174                 return _AppPolicyGetClrCompat(GetCurrentProcessToken(), out appPolicyClrCompat) == ERROR_SUCCESS &&
1175                     appPolicyClrCompat == AppPolicyClrCompat.AppPolicyClrCompat_Universal;
1176             }
1177             else if(osSupportsPackagedProcesses && DoesWin32MethodExist(KERNEL32, "GetCurrentPackageId"))
1178             {
1179                 Int32 bufLen = 0;
1180                 // Will return ERROR_INSUFFICIENT_BUFFER when running within a packaged application,
1181                 // and will return ERROR_NO_PACKAGE_IDENTITY otherwise.
1182                 return _GetCurrentPackageId(ref bufLen, null) == ERROR_INSUFFICIENT_BUFFER;
1183             }
1184             else
1185             {   // We must be running on a downlevel OS.
1186                 return false;
1187             }
1188         }
1189
1190         /// <summary>
1191         /// Indicates weather the running application is an immersive (or modern) Windows 8 (or later) application.
1192         /// </summary>
1193         internal static Lazy<bool> IsTailoredApplication = new Lazy<bool>(() => _IsTailoredApplication());
1194 #endif //!FEATURE_CORECLR
1195     }
1196
1197     [SuppressUnmanagedCodeSecurity]
1198     class PipeHandle : SafeHandleMinusOneIsInvalid
1199     {
1200         internal PipeHandle() : base(true) { }
1201
1202         // This is unsafe, but is useful for a duplicated handle, which is inherently unsafe already.
1203         internal PipeHandle(IntPtr handle)
1204             : base(true)
1205         {
1206             SetHandle(handle);
1207         }
1208
1209         internal int GetClientPid()
1210         {
1211             int pid;
1212 #pragma warning suppress 56523 // Microsoft, Win32Exception ctor calls Marshal.GetLastWin32Error()
1213             bool success = UnsafeNativeMethods.GetNamedPipeClientProcessId(this, out pid);
1214             if (!success)
1215             {
1216                 throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new Win32Exception());
1217             }
1218             return pid;
1219         }
1220
1221         protected override bool ReleaseHandle()
1222         {
1223             return UnsafeNativeMethods.CloseHandle(handle) != 0;
1224         }
1225     }
1226
1227     [SuppressUnmanagedCodeSecurityAttribute()]
1228     sealed class SafeFileMappingHandle : SafeHandleZeroOrMinusOneIsInvalid
1229     {
1230         internal SafeFileMappingHandle()
1231             : base(true)
1232         {
1233         }
1234
1235         override protected bool ReleaseHandle()
1236         {
1237             return UnsafeNativeMethods.CloseHandle(handle) != 0;
1238         }
1239     }
1240
1241     [SuppressUnmanagedCodeSecurityAttribute]
1242     sealed class SafeLibraryHandle : SafeHandleZeroOrMinusOneIsInvalid
1243     {
1244         bool doNotfreeLibraryOnRelease;
1245
1246         internal SafeLibraryHandle()
1247             : base(true)
1248         {
1249             doNotfreeLibraryOnRelease = false;
1250         }
1251
1252         public void DoNotFreeLibraryOnRelease()
1253         {
1254             this.doNotfreeLibraryOnRelease = true;
1255         }
1256
1257         [DllImport(UnsafeNativeMethods.KERNEL32, CharSet = CharSet.Unicode)]
1258         [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
1259         private static extern bool FreeLibrary(IntPtr hModule);
1260
1261         override protected bool ReleaseHandle()
1262         {
1263             if (doNotfreeLibraryOnRelease)
1264             {
1265                 handle = IntPtr.Zero;
1266                 return true;
1267             }
1268
1269             return FreeLibrary(handle);
1270         }
1271     }
1272
1273     [SuppressUnmanagedCodeSecurityAttribute]
1274     sealed class SafeViewOfFileHandle : SafeHandleZeroOrMinusOneIsInvalid
1275     {
1276         internal SafeViewOfFileHandle()
1277             : base(true)
1278         {
1279         }
1280
1281         override protected bool ReleaseHandle()
1282         {
1283             if (UnsafeNativeMethods.UnmapViewOfFile(handle) != 0)
1284             {
1285                 handle = IntPtr.Zero;
1286                 return true;
1287             }
1288             return false;
1289         }
1290     }
1291
1292     [SuppressUnmanagedCodeSecurity]
1293     sealed class MsmqQueueHandle : SafeHandleZeroOrMinusOneIsInvalid
1294     {
1295         internal MsmqQueueHandle() : base(true) { }
1296
1297         protected override bool ReleaseHandle()
1298         {
1299             return UnsafeNativeMethods.MQCloseQueue(handle) >= 0;
1300         }
1301     }
1302 }