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linux-packaging-mono/mcs/class/referencesource/System.Data/System/Data/SqlClient/TdsEnums.cs
Xamarin Public Jenkins (auto-signing) 536cd135cc Imported Upstream version 5.4.0.167 
Former-commit-id: 5624ac747d633e885131e8349322922b6a59baaa
2017-08-21 15:34:15 +00:00

1070 lines
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C#
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//------------------------------------------------------------------------------
// <copyright file="TdsEnums.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
// <owner current="true" primary="true">Microsoft</owner>
// <owner current="true" primary="false">Microsoft</owner>
//------------------------------------------------------------------------------
namespace System.Data.SqlClient {
using System;
using System.Diagnostics;
/// <devdoc> Class of variables for the Tds connection.
/// </devdoc>
internal static class TdsEnums {
// internal tdsparser constants
public const short SQL_SERVER_VERSION_SEVEN = 7;
public const string SQL_PROVIDER_NAME = Common.DbConnectionStringDefaults.ApplicationName;
public static readonly Decimal SQL_SMALL_MONEY_MIN = new Decimal(-214748.3648);
public static readonly Decimal SQL_SMALL_MONEY_MAX = new Decimal(214748.3647);
// sql debugging constants, sdci is the structure passed in
public const string SDCI_MAPFILENAME = "SqlClientSSDebug";
public const byte SDCI_MAX_MACHINENAME = 32;
public const byte SDCI_MAX_DLLNAME = 16;
public const byte SDCI_MAX_DATA = 255;
public const int SQLDEBUG_OFF = 0;
public const int SQLDEBUG_ON = 1;
public const int SQLDEBUG_CONTEXT = 2;
public const string SP_SDIDEBUG = "sp_sdidebug";
public static readonly string[] SQLDEBUG_MODE_NAMES = new string[3] {
"off",
"on",
"context"
};
// HACK!!!
// Constant for SqlDbType.SmallVarBinary... store internal variable here instead of on
// SqlDbType so that it is not surfaced to the user!!! Related to dtc and the fact that
// the TransactionManager TDS stream is the only token left that uses VarBinarys instead of
// BigVarBinarys.
public const SqlDbType SmallVarBinary = (SqlDbType) (SqlDbType.Variant)+1;
// network protocol string constants
public const string TCP = "tcp";
public const string NP = "np";
public const string RPC = "rpc";
public const string BV = "bv";
public const string ADSP = "adsp";
public const string SPX = "spx";
public const string VIA = "via";
public const string LPC = "lpc";
// network function string contants
public const string INIT_SSPI_PACKAGE = "InitSSPIPackage";
public const string INIT_ADAL_PACKAGE = "InitADALPackage";
public const string INIT_SESSION = "InitSession";
public const string CONNECTION_GET_SVR_USER = "ConnectionGetSvrUser";
public const string GEN_CLIENT_CONTEXT = "GenClientContext";
// tdsparser packet handling constants
public const byte SOFTFLUSH = 0;
public const byte HARDFLUSH = 1;
public const byte IGNORE = 2;
// header constants
public const int HEADER_LEN = 8;
public const int HEADER_LEN_FIELD_OFFSET = 2;
public const int YUKON_HEADER_LEN = 12; //Yukon headers also include a MARS session id
public const int MARS_ID_OFFSET = 8;
public const int HEADERTYPE_QNOTIFICATION = 1;
public const int HEADERTYPE_MARS = 2;
public const int HEADERTYPE_TRACE = 3;
// other various constants
public const int SUCCEED = 1;
public const int FAIL = 0;
public const short TYPE_SIZE_LIMIT = 8000;
public const int MIN_PACKET_SIZE = 512;
// Login packet can be no greater than 4k until server sends us env-change
// increasing packet size.
public const int DEFAULT_LOGIN_PACKET_SIZE = 4096;
public const int MAX_PRELOGIN_PAYLOAD_LENGTH = 1024;
public const int MAX_PACKET_SIZE = 32768;
public const int MAX_SERVER_USER_NAME = 256; // obtained from luxor
// Severity 0 - 10 indicates informational (non-error) messages
// Severity 11 - 16 indicates errors that can be corrected by user (syntax errors, etc...)
// Severity 17 - 19 indicates failure due to insufficient resources in the server
// (max locks exceeded, not enough memory, other internal server limits reached, etc..)
// Severity 20 - 25 Severe problems with the server, connection terminated.
public const byte MIN_ERROR_CLASS = 11; // webdata 100667: This should actually be 11
public const byte MAX_USER_CORRECTABLE_ERROR_CLASS = 16;
public const byte FATAL_ERROR_CLASS = 20;
// Message types
public const byte MT_SQL = 1; // SQL command batch
public const byte MT_LOGIN = 2; // Login message for pre-Sphinx (before version 7.0)
public const byte MT_RPC = 3; // Remote procedure call
public const byte MT_TOKENS = 4; // Table response data stream
public const byte MT_BINARY = 5; // Unformatted binary response data (UNUSED)
public const byte MT_ATTN = 6; // Attention (break) signal
public const byte MT_BULK = 7; // Bulk load data
public const byte MT_FEDAUTH = 8; // Authentication token for federated authentication
public const byte MT_CLOSE = 9; // Close subchannel (UNUSED)
public const byte MT_ERROR = 10; // Protocol error detected
public const byte MT_ACK = 11; // Protocol acknowledgement (UNUSED)
public const byte MT_ECHO = 12; // Echo data (UNUSED)
public const byte MT_LOGOUT = 13; // Logout message (UNUSED)
public const byte MT_TRANS = 14; // Transaction Manager Interface
public const byte MT_OLEDB = 15; // ? (UNUSED)
public const byte MT_LOGIN7 = 16; // Login message for Sphinx (version 7) or later
public const byte MT_SSPI = 17; // SSPI message
public const byte MT_PRELOGIN = 18; // Pre-login handshake
// Message status bits
public const byte ST_EOM = 0x1; // Packet is end-of-message
public const byte ST_AACK = 0x2; // Packet acknowledges attention (server to client)
public const byte ST_IGNORE = 0x2; // Ignore this event (client to server)
public const byte ST_BATCH = 0x4; // Message is part of a batch.
public const byte ST_RESET_CONNECTION = 0x8; // Exec sp_reset_connection prior to processing message
public const byte ST_RESET_CONNECTION_PRESERVE_TRANSACTION = 0x10; // reset prior to processing, with preserving local tx
// TDS control tokens
public const byte SQLCOLFMT = 0xa1;
public const byte SQLPROCID = 0x7c;
public const byte SQLCOLNAME = 0xa0;
public const byte SQLTABNAME = 0xa4;
public const byte SQLCOLINFO = 0xa5;
public const byte SQLALTNAME = 0xa7;
public const byte SQLALTFMT = 0xa8;
public const byte SQLERROR = 0xaa;
public const byte SQLINFO = 0xab;
public const byte SQLRETURNVALUE = 0xac;
public const byte SQLRETURNSTATUS = 0x79;
public const byte SQLRETURNTOK = 0xdb;
public const byte SQLALTCONTROL = 0xaf;
public const byte SQLROW = 0xd1;
public const byte SQLNBCROW = 0xd2; // same as ROW with null-bit-compression support
public const byte SQLALTROW = 0xd3;
public const byte SQLDONE = 0xfd;
public const byte SQLDONEPROC = 0xfe;
public const byte SQLDONEINPROC = 0xff;
public const byte SQLOFFSET = 0x78;
public const byte SQLORDER = 0xa9;
public const byte SQLDEBUG_CMD = 0x60;
public const byte SQLLOGINACK = 0xad;
public const byte SQLFEATUREEXTACK= 0xae; // TDS 7.4 - feature ack
public const byte SQLSESSIONSTATE = 0xe4; // TDS 7.4 - connection resiliency session state
public const byte SQLENVCHANGE = 0xe3; // Environment change notification
public const byte SQLSECLEVEL = 0xed; // Security level token ???
public const byte SQLROWCRC = 0x39; // ROWCRC datastream???
public const byte SQLCOLMETADATA = 0x81; // Column metadata including name
public const byte SQLALTMETADATA = 0x88; // Alt column metadata including name
public const byte SQLSSPI = 0xed; // SSPI data
public const byte SQLFEDAUTHINFO = 0xee; // Info for client to generate fed auth token
// Environment change notification streams
// TYPE on TDS ENVCHANGE token stream (from sql\ntdbms\include\odsapi.h)
//
public const byte ENV_DATABASE = 1; // Database changed
public const byte ENV_LANG = 2; // Language changed
public const byte ENV_CHARSET = 3; // Character set changed
public const byte ENV_PACKETSIZE = 4; // Packet size changed
public const byte ENV_LOCALEID = 5; // Unicode data sorting locale id
public const byte ENV_COMPFLAGS = 6; // Unicode data sorting comparison flags
public const byte ENV_COLLATION = 7; // SQL Collation
// The following are environment change tokens valid for Yukon or later.
public const byte ENV_BEGINTRAN = 8; // Transaction began
public const byte ENV_COMMITTRAN = 9; // Transaction committed
public const byte ENV_ROLLBACKTRAN = 10; // Transaction rolled back
public const byte ENV_ENLISTDTC = 11; // Enlisted in Distributed Transaction
public const byte ENV_DEFECTDTC = 12; // Defected from Distributed Transaction
public const byte ENV_LOGSHIPNODE = 13; // Realtime Log shipping primary node
public const byte ENV_PROMOTETRANSACTION = 15; // Promote Transaction
public const byte ENV_TRANSACTIONMANAGERADDRESS = 16; // Transaction Manager Address
public const byte ENV_TRANSACTIONENDED = 17; // Transaction Ended
public const byte ENV_SPRESETCONNECTIONACK = 18; // SP_Reset_Connection ack
public const byte ENV_USERINSTANCE = 19; // User Instance
public const byte ENV_ROUTING = 20; // Routing (ROR) information
// done status stream bit masks
public const int DONE_MORE = 0x0001; // more command results coming
public const int DONE_ERROR = 0x0002; // error in command batch
public const int DONE_INXACT = 0x0004; // transaction in progress
public const int DONE_PROC = 0x0008; // done from stored proc
public const int DONE_COUNT = 0x0010; // count in done info
public const int DONE_ATTN = 0x0020; // oob ack
public const int DONE_INPROC = 0x0040; // like DONE_PROC except proc had error
public const int DONE_RPCINBATCH = 0x0080; // Done from RPC in batch
public const int DONE_SRVERROR = 0x0100; // Severe error in which resultset should be discarded
public const int DONE_FMTSENT = 0x8000; // fmt message sent, done_inproc req'd
// Feature Extension
public const byte FEATUREEXT_TERMINATOR = 0xFF;
public const byte FEATUREEXT_SRECOVERY = 0x01;
public const byte FEATUREEXT_FEDAUTH = 0x02;
public const byte FEATUREEXT_TCE = 0x04;
public const byte FEATUREEXT_GLOBALTRANSACTIONS = 0x05;
[Flags]
public enum FeatureExtension:uint {
None=0,
SessionRecovery=1,
FedAuth=2,
Tce=4,
GlobalTransactions = 8,
}
public const byte FEDAUTHLIB_LIVEID = 0X00;
public const byte FEDAUTHLIB_SECURITYTOKEN = 0x01;
public const byte FEDAUTHLIB_ADAL = 0x02;
public const byte FEDAUTHLIB_RESERVED = 0X7F;
public enum FedAuthLibrary:byte {
LiveId=FEDAUTHLIB_LIVEID,
SecurityToken=FEDAUTHLIB_SECURITYTOKEN,
ADAL=FEDAUTHLIB_ADAL,
Default=FEDAUTHLIB_RESERVED
}
public const byte ADALWORKFLOW_ACTIVEDIRECTORYPASSWORD = 0x01;
public const byte ADALWORKFLOW_ACTIVEDIRECTORYINTEGRATED = 0x02;
public enum ActiveDirectoryWorkflow : byte {
Password=ADALWORKFLOW_ACTIVEDIRECTORYPASSWORD,
Integrated=ADALWORKFLOW_ACTIVEDIRECTORYINTEGRATED,
}
// The string used for username in the error message when Authentication = Active Directory Integrated with FedAuth is used, if authentication fails.
public const string NTAUTHORITYANONYMOUSLOGON = @"NT Authority\Anonymous Logon";
// Loginrec defines
public const byte MAX_LOG_NAME = 30; // TDS 4.2 login rec max name length
public const byte MAX_PROG_NAME = 10; // max length of loginrec progran name
public const byte SEC_COMP_LEN = 8; // length of security compartments
public const byte MAX_PK_LEN = 6; // max length of TDS packet size
public const byte MAX_NIC_SIZE = 6; // The size of a MAC or client address
public const byte SQLVARIANT_SIZE = 2; // size of the fixed portion of a sql variant (type, cbPropBytes)
public const byte VERSION_SIZE = 4; // size of the tds version (4 unsigned bytes)
public const int CLIENT_PROG_VER = 0x06000000; // Client interface version
public const int YUKON_LOG_REC_FIXED_LEN = 0x5e;
// misc
public const int TEXT_TIME_STAMP_LEN = 8;
public const int COLLATION_INFO_LEN = 4;
/*
public const byte INT4_LSB_HI = 0; // lsb is low byte (eg 68000)
// public const byte INT4_LSB_LO = 1; // lsb is low byte (eg VAX)
public const byte INT2_LSB_HI = 2; // lsb is low byte (eg 68000)
// public const byte INT2_LSB_LO = 3; // lsb is low byte (eg VAX)
public const byte FLT_IEEE_HI = 4; // lsb is low byte (eg 68000)
public const byte CHAR_ASCII = 6; // ASCII character set
public const byte TWO_I4_LSB_HI = 8; // lsb is low byte (eg 68000
// public const byte TWO_I4_LSB_LO = 9; // lsb is low byte (eg VAX)
// public const byte FLT_IEEE_LO = 10; // lsb is low byte (eg MSDOS)
public const byte FLT4_IEEE_HI = 12; // IEEE 4-byte floating point -lsb is high byte
// public const byte FLT4_IEEE_LO = 13; // IEEE 4-byte floating point -lsb is low byte
public const byte TWO_I2_LSB_HI = 16; // lsb is high byte
// public const byte TWO_I2_LSB_LO = 17; // lsb is low byte
public const byte LDEFSQL = 0; // server sends its default
public const byte LDEFUSER = 0; // regular old user
public const byte LINTEGRATED = 8; // integrated security login
*/
/* Versioning scheme table:
Client sends:
0x70000000 -> Sphinx
0x71000000 -> Shiloh RTM
0x71000001 -> Shiloh SP1
0x72xx0002 -> Yukon RTM
Server responds:
0x07000000 -> Sphinx // Notice server response format is different for bwd compat
0x07010000 -> Shiloh RTM // Notice server response format is different for bwd compat
0x71000001 -> Shiloh SP1
0x72xx0002 -> Yukon RTM
*/
// Pre Shiloh SP1 versioning scheme:
public const int SPHINXORSHILOH_MAJOR = 0x07; // The high byte (b3) is not sufficient to distinguish
public const int SPHINX_INCREMENT = 0x00; // Sphinx and Shiloh
public const int SHILOH_INCREMENT = 0x01; // So we need to look at the high-mid byte (b2) as well
public const int DEFAULT_MINOR = 0x0000;
// Shiloh SP1 and beyond versioning scheme:
// Majors:
public const int SHILOHSP1_MAJOR = 0x71; // For Shiloh SP1 and later the versioning schema changed and
public const int YUKON_MAJOR = 0x72; // the high-byte is sufficient to distinguish later versions
public const int KATMAI_MAJOR = 0x73;
public const int DENALI_MAJOR = 0x74;
// Increments:
public const int SHILOHSP1_INCREMENT = 0x00;
public const int YUKON_INCREMENT = 0x09;
public const int KATMAI_INCREMENT = 0x0b;
public const int DENALI_INCREMENT = 0x00;
// Minors:
public const int SHILOHSP1_MINOR = 0x0001;
public const int YUKON_RTM_MINOR = 0x0002;
public const int KATMAI_MINOR = 0x0003;
public const int DENALI_MINOR = 0x0004;
public const int ORDER_68000 = 1;
public const int USE_DB_ON = 1;
public const int INIT_DB_FATAL = 1;
public const int SET_LANG_ON = 1;
public const int INIT_LANG_FATAL = 1;
public const int ODBC_ON = 1;
public const int SSPI_ON = 1;
public const int REPL_ON = 3;
// send the read-only intent to the server
public const int READONLY_INTENT_ON = 1;
// Token masks
public const byte SQLLenMask = 0x30; // mask to check for length tokens
public const byte SQLFixedLen = 0x30; // Mask to check for fixed token
public const byte SQLVarLen = 0x20; // Value to check for variable length token
public const byte SQLZeroLen = 0x10; // Value to check for zero length token
public const byte SQLVarCnt = 0x00; // Value to check for variable count token
// Token masks for COLINFO status
public const byte SQLDifferentName = 0x20; // column name different than select list name
public const byte SQLExpression = 0x4; // column was result of an expression
public const byte SQLKey = 0x8; // column is part of the key for the table
public const byte SQLHidden = 0x10; // column not part of select list but added because part of key
// Token masks for COLMETADATA flags
// first byte
public const byte Nullable = 0x1;
public const byte Identity = 0x10;
public const byte Updatability = 0xb; // mask off bits 3 and 4
// second byte
public const byte ClrFixedLen = 0x1; // Fixed length CLR type
public const byte IsColumnSet = 0x4; // Column is an XML representation of an aggregation of other columns
public const byte IsEncrypted = 0x8; // Column is encrypted using TCE
// null values
public const uint VARLONGNULL = 0xffffffff; // null value for text and image types
public const int VARNULL = 0xffff; // null value for character and binary types
public const int MAXSIZE = 8000; // max size for any column
public const byte FIXEDNULL = 0;
public const UInt64 UDTNULL = 0xffffffffffffffff;
// SQL Server Data Type Tokens.
public const int SQLVOID = 0x1f;
public const int SQLTEXT = 0x23;
public const int SQLVARBINARY = 0x25;
public const int SQLINTN = 0x26;
public const int SQLVARCHAR = 0x27;
public const int SQLBINARY = 0x2d;
public const int SQLIMAGE = 0x22;
public const int SQLCHAR = 0x2f;
public const int SQLINT1 = 0x30;
public const int SQLBIT = 0x32;
public const int SQLINT2 = 0x34;
public const int SQLINT4 = 0x38;
public const int SQLMONEY = 0x3c;
public const int SQLDATETIME = 0x3d;
public const int SQLFLT8 = 0x3e;
public const int SQLFLTN = 0x6d;
public const int SQLMONEYN = 0x6e;
public const int SQLDATETIMN = 0x6f;
public const int SQLFLT4 = 0x3b;
public const int SQLMONEY4 = 0x7a;
public const int SQLDATETIM4 = 0x3a;
public const int SQLDECIMALN = 0x6a;
public const int SQLNUMERICN = 0x6c;
public const int SQLUNIQUEID = 0x24;
public const int SQLBIGCHAR = 0xaf;
public const int SQLBIGVARCHAR = 0xa7;
public const int SQLBIGBINARY = 0xad;
public const int SQLBIGVARBINARY = 0xa5;
public const int SQLBITN = 0x68;
public const int SQLNCHAR = 0xef;
public const int SQLNVARCHAR = 0xe7;
public const int SQLNTEXT = 0x63;
public const int SQLUDT = 0xF0;
// aggregate operator type TDS tokens, used by compute statements:
public const int AOPCNTB = 0x09;
public const int AOPSTDEV = 0x30;
public const int AOPSTDEVP = 0x31;
public const int AOPVAR = 0x32;
public const int AOPVARP = 0x33;
public const int AOPCNT = 0x4b;
public const int AOPSUM = 0x4d;
public const int AOPAVG = 0x4f;
public const int AOPMIN = 0x51;
public const int AOPMAX = 0x52;
public const int AOPANY = 0x53;
public const int AOPNOOP = 0x56;
// SQL Server user-defined type tokens we care about
public const int SQLTIMESTAMP = 0x50;
public const int MAX_NUMERIC_LEN = 0x11; // 17 bytes of data for max numeric/decimal length
public const int DEFAULT_NUMERIC_PRECISION = 0x1D; // 29 is the default max numeric precision(Decimal.MaxValue) if not user set
public const int SPHINX_DEFAULT_NUMERIC_PRECISION = 0x1C; // 28 is the default max numeric precision for Sphinx(Decimal.MaxValue doesn't work for sphinx)
public const int MAX_NUMERIC_PRECISION = 0x26; // 38 is max numeric precision;
public const byte UNKNOWN_PRECISION_SCALE = 0xff; // -1 is value for unknown precision or scale
// The following datatypes are specific to SHILOH (version 8) and later.
public const int SQLINT8 = 0x7f;
public const int SQLVARIANT = 0x62;
// The following datatypes are specific to Yukon (version 9) or later
public const int SQLXMLTYPE = 0xf1;
public const int XMLUNICODEBOM = 0xfeff;
public static readonly byte[] XMLUNICODEBOMBYTES = { 0xff, 0xfe };
// The following datatypes are specific to Katmai (version 10) or later
public const int SQLTABLE = 0xf3;
public const int SQLDATE = 0x28;
public const int SQLTIME = 0x29;
public const int SQLDATETIME2 = 0x2a;
public const int SQLDATETIMEOFFSET = 0x2b;
public const int DEFAULT_VARTIME_SCALE = 7;
//Partially length prefixed datatypes constants. These apply to XMLTYPE, BIGVARCHRTYPE,
// NVARCHARTYPE, and BIGVARBINTYPE. Valid for Yukon or later
public const ulong SQL_PLP_NULL = 0xffffffffffffffff; // Represents null value
public const ulong SQL_PLP_UNKNOWNLEN = 0xfffffffffffffffe; // Data coming in chunks, total length unknown
public const int SQL_PLP_CHUNK_TERMINATOR = 0x00000000; // Represents end of chunked data.
public const ushort SQL_USHORTVARMAXLEN = 0xffff; // Second ushort in TDS stream is this value if one of max types
// TVPs require some new in-value control tokens:
public const byte TVP_ROWCOUNT_ESTIMATE = 0x12;
public const byte TVP_ROW_TOKEN = 0x01;
public const byte TVP_END_TOKEN = 0x00;
public const ushort TVP_NOMETADATA_TOKEN = 0xFFFF;
public const byte TVP_ORDER_UNIQUE_TOKEN = 0x10;
// TvpColumnMetaData flags
public const int TVP_DEFAULT_COLUMN = 0x200;
// TVP_ORDER_UNIQUE_TOKEN flags
public const byte TVP_ORDERASC_FLAG = 0x1;
public const byte TVP_ORDERDESC_FLAG = 0x2;
public const byte TVP_UNIQUE_FLAG = 0x4;
public const bool Is68K = false;
public const bool TraceTDS = false;
// RPC function names
public const string SP_EXECUTESQL = "sp_executesql"; // used against 7.0 servers
public const string SP_PREPEXEC = "sp_prepexec"; // used against 7.5 servers
public const string SP_PREPARE = "sp_prepare"; // used against 7.0 servers
public const string SP_EXECUTE = "sp_execute";
public const string SP_UNPREPARE = "sp_unprepare";
public const string SP_PARAMS = "sp_procedure_params_rowset";
public const string SP_PARAMS_MANAGED = "sp_procedure_params_managed";
public const string SP_PARAMS_MGD10 = "sp_procedure_params_100_managed";
// RPC ProcID's
// NOTE: It is more efficient to call these procs using ProcID's instead of names
public const ushort RPC_PROCID_CURSOR = 1;
public const ushort RPC_PROCID_CURSOROPEN = 2;
public const ushort RPC_PROCID_CURSORPREPARE = 3;
public const ushort RPC_PROCID_CURSOREXECUTE = 4;
public const ushort RPC_PROCID_CURSORPREPEXEC = 5;
public const ushort RPC_PROCID_CURSORUNPREPARE = 6;
public const ushort RPC_PROCID_CURSORFETCH = 7;
public const ushort RPC_PROCID_CURSOROPTION = 8;
public const ushort RPC_PROCID_CURSORCLOSE = 9;
public const ushort RPC_PROCID_EXECUTESQL = 10;
public const ushort RPC_PROCID_PREPARE = 11;
public const ushort RPC_PROCID_EXECUTE = 12;
public const ushort RPC_PROCID_PREPEXEC = 13;
public const ushort RPC_PROCID_PREPEXECRPC = 14;
public const ushort RPC_PROCID_UNPREPARE = 15;
// For Transactions
public const string TRANS_BEGIN = "BEGIN TRANSACTION";
public const string TRANS_COMMIT = "COMMIT TRANSACTION";
public const string TRANS_ROLLBACK = "ROLLBACK TRANSACTION";
public const string TRANS_IF_ROLLBACK = "IF @@TRANCOUNT > 0 ROLLBACK TRANSACTION";
public const string TRANS_SAVE = "SAVE TRANSACTION";
// For Transactions - isolation levels
public const string TRANS_READ_COMMITTED = "SET TRANSACTION ISOLATION LEVEL READ COMMITTED";
public const string TRANS_READ_UNCOMMITTED = "SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED";
public const string TRANS_REPEATABLE_READ = "SET TRANSACTION ISOLATION LEVEL REPEATABLE READ";
public const string TRANS_SERIALIZABLE = "SET TRANSACTION ISOLATION LEVEL SERIALIZABLE";
public const string TRANS_SNAPSHOT = "SET TRANSACTION ISOLATION LEVEL SNAPSHOT";
// Batch RPC flags
public const byte SHILOH_RPCBATCHFLAG = 0x80;
public const byte YUKON_RPCBATCHFLAG = 0xFF;
// RPC flags
public const byte RPC_RECOMPILE = 0x1;
public const byte RPC_NOMETADATA = 0x2;
// RPC parameter class
public const byte RPC_PARAM_BYREF = 0x1;
public const byte RPC_PARAM_DEFAULT = 0x2;
public const byte RPC_PARAM_ENCRYPTED = 0x8;
// SQL parameter list text
public const string PARAM_OUTPUT = "output";
// SQL Parameter constants
public const int MAX_PARAMETER_NAME_LENGTH = 128;
// metadata options (added around an existing sql statement)
// prefixes
public const string FMTONLY_ON = " SET FMTONLY ON;";
public const string FMTONLY_OFF = " SET FMTONLY OFF;";
// suffixes
public const string BROWSE_ON = " SET NO_BROWSETABLE ON;";
public const string BROWSE_OFF = " SET NO_BROWSETABLE OFF;";
// generic table name
public const string TABLE = "Table";
public const int EXEC_THRESHOLD = 0x3; // if the number of commands we execute is > than this threshold, than do prep/exec/unprep instead
// of executesql.
// dbnetlib error values
public const short TIMEOUT_EXPIRED = -2;
public const short ENCRYPTION_NOT_SUPPORTED = 20;
// CAUTION: These are not error codes returned by SNI. This is used for backward compatibility
// since netlib (now removed from sqlclient) returned these codes.
// SQL error values (from sqlerrorcodes.h)
public const int LOGON_FAILED = 18456;
public const int PASSWORD_EXPIRED = 18488;
public const int IMPERSONATION_FAILED = 1346;
public const int P_TOKENTOOLONG = 103;
// SQL error that indicates retry for Always Encrypted
public const int TCE_CONVERSION_ERROR_CLIENT_RETRY = 33514;
// SNI\Win32 error values
// NOTE: these are simply windows system error codes, not SNI specific
public const uint SNI_UNINITIALIZED = unchecked((uint)-1);
public const uint SNI_SUCCESS = 0; // The operation completed successfully.
public const uint SNI_WAIT_TIMEOUT = 258; // The wait operation timed out.
public const uint SNI_SUCCESS_IO_PENDING = 997; // Overlapped I/O operation is in progress.
// Windows Sockets Error Codes
public const short SNI_WSAECONNRESET = 10054; // An existing connection was forcibly closed by the remote host.
// SNI flags
public const UInt32 SNI_SSL_VALIDATE_CERTIFICATE = 1; // This enables validation of server certificate
public const UInt32 SNI_SSL_USE_SCHANNEL_CACHE = 2; // This enables schannel session cache
public const UInt32 SNI_SSL_IGNORE_CHANNEL_BINDINGS = 0x10; // Used with SSL Provider, sent to SNIAddProvider in case of SQL Authentication & Encrypt.
public const string DEFAULT_ENGLISH_CODE_PAGE_STRING = "iso_1";
public const short DEFAULT_ENGLISH_CODE_PAGE_VALUE = 1252;
public const short CHARSET_CODE_PAGE_OFFSET = 2;
internal const int MAX_SERVERNAME = 255;
// Sql Statement Tokens in the DONE packet
// (see ntdbms\ntinc\tokens.h)
//
internal const ushort SELECT = 0xc1;
internal const ushort INSERT = 0xc3;
internal const ushort DELETE = 0xc4;
internal const ushort UPDATE = 0xc5;
internal const ushort ABORT = 0xd2;
internal const ushort BEGINXACT = 0xd4;
internal const ushort ENDXACT = 0xd5;
internal const ushort BULKINSERT = 0xf0;
internal const ushort OPENCURSOR = 0x20;
internal const ushort MERGE = 0x117;
// Login data validation Rules
//
internal const ushort MAXLEN_HOSTNAME = 128; // the client machine name
internal const ushort MAXLEN_USERNAME = 128; // the client user id
internal const ushort MAXLEN_PASSWORD = 128; // the password supplied by the client
internal const ushort MAXLEN_APPNAME = 128; // the client application name
internal const ushort MAXLEN_SERVERNAME = 128; // the server name
internal const ushort MAXLEN_CLIENTINTERFACE = 128; // the interface library name
internal const ushort MAXLEN_LANGUAGE = 128; // the initial language
internal const ushort MAXLEN_DATABASE = 128; // the initial database
internal const ushort MAXLEN_ATTACHDBFILE = 260; // the filename for a database that is to be attached during the connection process
internal const ushort MAXLEN_NEWPASSWORD = 128; // new password for the specified login.
// array copied directly from tdssort.h from luxor
public static readonly UInt16[] CODE_PAGE_FROM_SORT_ID = {
0, /* 0 */
0, /* 1 */
0, /* 2 */
0, /* 3 */
0, /* 4 */
0, /* 5 */
0, /* 6 */
0, /* 7 */
0, /* 8 */
0, /* 9 */
0, /* 10 */
0, /* 11 */
0, /* 12 */
0, /* 13 */
0, /* 14 */
0, /* 15 */
0, /* 16 */
0, /* 17 */
0, /* 18 */
0, /* 19 */
0, /* 20 */
0, /* 21 */
0, /* 22 */
0, /* 23 */
0, /* 24 */
0, /* 25 */
0, /* 26 */
0, /* 27 */
0, /* 28 */
0, /* 29 */
437, /* 30 */
437, /* 31 */
437, /* 32 */
437, /* 33 */
437, /* 34 */
0, /* 35 */
0, /* 36 */
0, /* 37 */
0, /* 38 */
0, /* 39 */
850, /* 40 */
850, /* 41 */
850, /* 42 */
850, /* 43 */
850, /* 44 */
0, /* 45 */
0, /* 46 */
0, /* 47 */
0, /* 48 */
850, /* 49 */
1252, /* 50 */
1252, /* 51 */
1252, /* 52 */
1252, /* 53 */
1252, /* 54 */
850, /* 55 */
850, /* 56 */
850, /* 57 */
850, /* 58 */
850, /* 59 */
850, /* 60 */
850, /* 61 */
0, /* 62 */
0, /* 63 */
0, /* 64 */
0, /* 65 */
0, /* 66 */
0, /* 67 */
0, /* 68 */
0, /* 69 */
0, /* 70 */
1252, /* 71 */
1252, /* 72 */
1252, /* 73 */
1252, /* 74 */
1252, /* 75 */
0, /* 76 */
0, /* 77 */
0, /* 78 */
0, /* 79 */
1250, /* 80 */
1250, /* 81 */
1250, /* 82 */
1250, /* 83 */
1250, /* 84 */
1250, /* 85 */
1250, /* 86 */
1250, /* 87 */
1250, /* 88 */
1250, /* 89 */
1250, /* 90 */
1250, /* 91 */
1250, /* 92 */
1250, /* 93 */
1250, /* 94 */
1250, /* 95 */
1250, /* 96 */
1250, /* 97 */
1250, /* 98 */
0, /* 99 */
0, /* 100 */
0, /* 101 */
0, /* 102 */
0, /* 103 */
1251, /* 104 */
1251, /* 105 */
1251, /* 106 */
1251, /* 107 */
1251, /* 108 */
0, /* 109 */
0, /* 110 */
0, /* 111 */
1253, /* 112 */
1253, /* 113 */
1253, /* 114 */
0, /* 115 */
0, /* 116 */
0, /* 117 */
0, /* 118 */
0, /* 119 */
1253, /* 120 */
1253, /* 121 */
1253, /* 122 */
0, /* 123 */
1253, /* 124 */
0, /* 125 */
0, /* 126 */
0, /* 127 */
1254, /* 128 */
1254, /* 129 */
1254, /* 130 */
0, /* 131 */
0, /* 132 */
0, /* 133 */
0, /* 134 */
0, /* 135 */
1255, /* 136 */
1255, /* 137 */
1255, /* 138 */
0, /* 139 */
0, /* 140 */
0, /* 141 */
0, /* 142 */
0, /* 143 */
1256, /* 144 */
1256, /* 145 */
1256, /* 146 */
0, /* 147 */
0, /* 148 */
0, /* 149 */
0, /* 150 */
0, /* 151 */
1257, /* 152 */
1257, /* 153 */
1257, /* 154 */
1257, /* 155 */
1257, /* 156 */
1257, /* 157 */
1257, /* 158 */
1257, /* 159 */
1257, /* 160 */
0, /* 161 */
0, /* 162 */
0, /* 163 */
0, /* 164 */
0, /* 165 */
0, /* 166 */
0, /* 167 */
0, /* 168 */
0, /* 169 */
0, /* 170 */
0, /* 171 */
0, /* 172 */
0, /* 173 */
0, /* 174 */
0, /* 175 */
0, /* 176 */
0, /* 177 */
0, /* 178 */
0, /* 179 */
0, /* 180 */
0, /* 181 */
0, /* 182 */
1252, /* 183 */
1252, /* 184 */
1252, /* 185 */
1252, /* 186 */
0, /* 187 */
0, /* 188 */
0, /* 189 */
0, /* 190 */
0, /* 191 */
932, /* 192 */
932, /* 193 */
949, /* 194 */
949, /* 195 */
950, /* 196 */
950, /* 197 */
936, /* 198 */
936, /* 199 */
932, /* 200 */
949, /* 201 */
950, /* 202 */
936, /* 203 */
874, /* 204 */
874, /* 205 */
874, /* 206 */
0, /* 207 */
0, /* 208 */
0, /* 209 */
1252, /* 210 */
1252, /* 211 */
1252, /* 212 */
1252, /* 213 */
1252, /* 214 */
1252, /* 215 */
1252, /* 216 */
1252, /* 217 */
0, /* 218 */
0, /* 219 */
0, /* 220 */
0, /* 221 */
0, /* 222 */
0, /* 223 */
0, /* 224 */
0, /* 225 */
0, /* 226 */
0, /* 227 */
0, /* 228 */
0, /* 229 */
0, /* 230 */
0, /* 231 */
0, /* 232 */
0, /* 233 */
0, /* 234 */
0, /* 235 */
0, /* 236 */
0, /* 237 */
0, /* 238 */
0, /* 239 */
0, /* 240 */
0, /* 241 */
0, /* 242 */
0, /* 243 */
0, /* 244 */
0, /* 245 */
0, /* 246 */
0, /* 247 */
0, /* 248 */
0, /* 249 */
0, /* 250 */
0, /* 251 */
0, /* 252 */
0, /* 253 */
0, /* 254 */
0, /* 255 */
};
internal enum UDTFormatType {
Native = 1,
UserDefined = 2
}
internal enum TransactionManagerRequestType {
GetDTCAddress = 0,
Propagate = 1,
Begin = 5,
Promote = 6,
Commit = 7,
Rollback = 8,
Save = 9
};
internal enum TransactionManagerIsolationLevel {
Unspecified = 0x00,
ReadUncommitted = 0x01,
ReadCommitted = 0x02,
RepeatableRead = 0x03,
Serializable = 0x04,
Snapshot = 0x05
}
internal enum GenericType {
MultiSet = 131,
};
// Date, Time, DateTime2, DateTimeOffset specific constants
internal static readonly Int64[] TICKS_FROM_SCALE = {
10000000,
1000000,
100000,
10000,
1000,
100,
10,
1,
};
internal const int MAX_TIME_SCALE = 7; // Maximum scale for time-related types
internal const int MAX_TIME_LENGTH = 5; // Maximum length for time
internal const int MAX_DATETIME2_LENGTH = 8; // Maximum length for datetime2
internal const int WHIDBEY_DATE_LENGTH = 10;
internal static readonly int[] WHIDBEY_TIME_LENGTH = { 8, 10, 11, 12, 13, 14, 15, 16 };
internal static readonly int[] WHIDBEY_DATETIME2_LENGTH = { 19, 21, 22, 23, 24, 25, 26, 27 };
internal static readonly int[] WHIDBEY_DATETIMEOFFSET_LENGTH = {26, 28, 29, 30, 31, 32, 33, 34 };
internal enum FedAuthInfoId:byte {
Stsurl = 0x01, // FedAuthInfoData is token endpoint URL from which to acquire fed auth token
Spn = 0x02, // FedAuthInfoData is the SPN to use for acquiring fed auth token
}
// TCE Related constants
internal const byte MAX_SUPPORTED_TCE_VERSION = 0x01; // max version
internal const ushort MAX_TCE_CIPHERINFO_SIZE = 2048; // max size of cipherinfo blob
internal const long MAX_TCE_CIPHERTEXT_SIZE = 2147483648; // max size of encrypted blob- currently 2GB.
internal const byte CustomCipherAlgorithmId = 0; // Id used for custom encryption algorithm.
internal const int AES_256_CBC = 1;
internal const int AEAD_AES_256_CBC_HMAC_SHA256 = 2;
// TCE Param names for exec handling
internal const string TCE_PARAM_CIPHERTEXT = "cipherText";
internal const string TCE_PARAM_CIPHER_ALGORITHM_ID="cipherAlgorithmId";
internal const string TCE_PARAM_COLUMNENCRYPTION_KEY="columnEncryptionKey";
internal const string TCE_PARAM_ENCRYPTION_ALGORITHM="encryptionAlgorithm";
internal const string TCE_PARAM_ENCRYPTIONTYPE = "encryptionType";
internal const string TCE_PARAM_ENCRYPTIONKEY = "encryptionKey";
internal const string TCE_PARAM_MASTERKEY_PATH = "masterKeyPath";
internal const string TCE_PARAM_ENCRYPTED_CEK = "encryptedColumnEncryptionKey";
internal const string TCE_PARAM_CLIENT_KEYSTORE_PROVIDERS="clientKeyStoreProviders";
internal const string TCE_PARAM_FORCE_COLUMN_ENCRYPTION="ForceColumnEncryption(true)";
}
internal enum ParsingErrorState {
Undefined = 0,
FedAuthInfoLengthTooShortForCountOfInfoIds = 1,
FedAuthInfoLengthTooShortForData = 2,
FedAuthInfoFailedToReadCountOfInfoIds = 3,
FedAuthInfoFailedToReadTokenStream = 4,
FedAuthInfoInvalidOffset = 5,
FedAuthInfoFailedToReadData = 6,
FedAuthInfoDataNotUnicode = 7,
FedAuthInfoDoesNotContainStsurlAndSpn = 8,
FedAuthInfoNotReceived = 9,
FedAuthNotAcknowledged = 10,
FedAuthFeatureAckContainsExtraData = 11,
FedAuthFeatureAckUnknownLibraryType = 12,
UnrequestedFeatureAckReceived = 13,
UnknownFeatureAck = 14,
InvalidTdsTokenReceived = 15,
SessionStateLengthTooShort = 16,
SessionStateInvalidStatus = 17,
CorruptedTdsStream = 18,
ProcessSniPacketFailed = 19,
FedAuthRequiredPreLoginResponseInvalidValue = 20,
TceUnknownVersion = 21,
TceInvalidVersion = 22,
TceInvalidOrdinalIntoCipherInfoTable = 23,
}
internal enum SniContext {
Undefined = 0,
Snix_Connect,
Snix_PreLoginBeforeSuccessfullWrite,
Snix_PreLogin,
Snix_LoginSspi,
Snix_ProcessSspi,
Snix_Login,
Snix_EnableMars,
Snix_AutoEnlist,
Snix_GetMarsSession,
Snix_Execute,
Snix_Read,
Snix_Close,
Snix_SendRows,
}
/// <summary>
/// Column Encryption Setting to be used for the SqlConnection.
/// </summary>
public enum SqlConnectionColumnEncryptionSetting {
/// <summary>
/// Disables column encryption by default on all commands on this connection.
/// </summary>
Disabled = 0,
/// <summary>
/// Enables column encryption by default on all commands on this connection.
/// </summary>
Enabled,
}
/// <summary>
/// Column Encryption Setting to be used for the SqlCommand.
/// </summary>
public enum SqlCommandColumnEncryptionSetting {
/// <summary>
/// if <20>Column Encryption Setting=Enabled<65> in the connection string, use Enabled. Otherwise, maps to Disabled.
/// </summary>
UseConnectionSetting = 0,
/// <summary>
/// Enables TCE for the command. Overrides the connection level setting for this command.
/// </summary>
Enabled,
/// <summary>
/// Parameters will not be encrypted, only the ResultSet will be decrypted. This is an optimization for queries that do not pass any encrypted input parameters.
/// Overrides the connection level setting for this command.
/// </summary>
ResultSetOnly,
/// <summary>
/// Disables TCE for the command.Overrides the connection level setting for this command.
/// </summary>
Disabled,
}
public enum SqlAuthenticationMethod {
NotSpecified = 0,
SqlPassword,
ActiveDirectoryPassword,
ActiveDirectoryIntegrated,
}
// This enum indicates the state of TransparentNetworkIPResolution
// The first attempt when TNIR is on should be sequential. If the first attempt failes next attempts should be parallel.
internal enum TransparentNetworkResolutionState {
DisabledMode = 0,
SequentialMode,
ParallelMode
};
internal class ActiveDirectoryAuthentication
{
internal const string AdoClientId = "4d079b4c-cab7-4b7c-a115-8fd51b6f8239";
internal const string AdalGetAccessTokenFunctionName = "ADALGetAccessToken";
internal const int GetAccessTokenSuccess = 0;
internal const int GetAccessTokenInvalidGrant = 1;
internal const int GetAccessTokenTansisentError = 2;
internal const int GetAccessTokenOtherError = 3;
}
// Fields in the first resultset of "sp_describe_parameter_encryption".
// We expect the server to return the fields in the resultset in the same order as mentioned below.
// If the server changes the below order, then transparent parameter encryption will break.
internal enum DescribeParameterEncryptionResultSet1 {
KeyOrdinal = 0,
DbId,
KeyId,
KeyVersion,
KeyMdVersion,
EncryptedKey,
ProviderName,
KeyPath,
KeyEncryptionAlgorithm,
}
// Fields in the second resultset of "sp_describe_parameter_encryption"
// We expect the server to return the fields in the resultset in the same order as mentioned below.
// If the server changes the below order, then transparent parameter encryption will break.
internal enum DescribeParameterEncryptionResultSet2 {
ParameterOrdinal = 0,
ParameterName,
ColumnEncryptionAlgorithm,
ColumnEncrytionType,
ColumnEncryptionKeyOrdinal,
NormalizationRuleVersion,
}
}
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