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SqlConnectionString.cs
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SqlConnectionString.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Net;
using System.Net.NetworkInformation;
using System.Threading;
using Microsoft.Data.Common;
namespace Microsoft.Data.SqlClient
{
internal sealed partial class SqlConnectionString : DbConnectionOptions
{
// instances of this class are intended to be immutable, i.e readonly
// used by pooling classes so it is much easier to verify correctness
// when not worried about the class being modified during execution
internal static partial class DEFAULT
{
private const string _emptyString = "";
internal const ApplicationIntent ApplicationIntent = DbConnectionStringDefaults.ApplicationIntent;
internal const string Application_Name = TdsEnums.SQL_PROVIDER_NAME;
internal const string AttachDBFilename = _emptyString;
internal const int Command_Timeout = ADP.DefaultCommandTimeout;
internal const int Connect_Timeout = ADP.DefaultConnectionTimeout;
internal const string Current_Language = _emptyString;
internal const string Data_Source = _emptyString;
internal const bool Encrypt = false;
internal const bool Enlist = true;
internal const string FailoverPartner = _emptyString;
internal const string Initial_Catalog = _emptyString;
internal const bool Integrated_Security = false;
internal const int Load_Balance_Timeout = 0; // default of 0 means don't use
internal const bool MARS = false;
internal const int Max_Pool_Size = 100;
internal const int Min_Pool_Size = 0;
internal const bool MultiSubnetFailover = DbConnectionStringDefaults.MultiSubnetFailover;
internal const int Packet_Size = 8000;
internal const string Password = _emptyString;
internal const bool Persist_Security_Info = false;
internal const bool Pooling = true;
internal const bool TrustServerCertificate = false;
internal const string Type_System_Version = _emptyString;
internal const string User_ID = _emptyString;
internal const bool User_Instance = false;
internal const bool Replication = false;
internal const int Connect_Retry_Count = 1;
internal const int Connect_Retry_Interval = 10;
internal static readonly SqlAuthenticationMethod Authentication = SqlAuthenticationMethod.NotSpecified;
internal const SqlConnectionColumnEncryptionSetting ColumnEncryptionSetting = SqlConnectionColumnEncryptionSetting.Disabled;
internal const string EnclaveAttestationUrl = _emptyString;
internal static readonly SqlConnectionAttestationProtocol AttestationProtocol = SqlConnectionAttestationProtocol.NotSpecified;
}
// SqlConnection ConnectionString Options
// keys must be lowercase!
internal static class KEY
{
internal const string ApplicationIntent = "application intent";
internal const string Application_Name = "application name";
internal const string AsynchronousProcessing = "asynchronous processing";
internal const string AttachDBFilename = "attachdbfilename";
#if NETCOREAPP
internal const string PoolBlockingPeriod = "pool blocking period";
#endif
internal const string ColumnEncryptionSetting = "column encryption setting";
internal const string EnclaveAttestationUrl = "enclave attestation url";
internal const string AttestationProtocol = "attestation protocol";
internal const string Command_Timeout = "command timeout";
internal const string Connect_Timeout = "connect timeout";
internal const string Connection_Reset = "connection reset";
internal const string Context_Connection = "context connection";
internal const string Current_Language = "current language";
internal const string Data_Source = "data source";
internal const string Encrypt = "encrypt";
internal const string Enlist = "enlist";
internal const string FailoverPartner = "failover partner";
internal const string Initial_Catalog = "initial catalog";
internal const string Integrated_Security = "integrated security";
internal const string Load_Balance_Timeout = "load balance timeout";
internal const string MARS = "multiple active result sets";
internal const string Max_Pool_Size = "max pool size";
internal const string Min_Pool_Size = "min pool size";
internal const string MultiSubnetFailover = "multi subnet failover";
internal const string Network_Library = "network library";
internal const string Packet_Size = "packet size";
internal const string Password = "password";
internal const string Persist_Security_Info = "persist security info";
internal const string Pooling = "pooling";
internal const string TransactionBinding = "transaction binding";
internal const string TrustServerCertificate = "trust server certificate";
internal const string Type_System_Version = "type system version";
internal const string User_ID = "user id";
internal const string User_Instance = "user instance";
internal const string Workstation_Id = "workstation id";
internal const string Replication = "replication";
internal const string Connect_Retry_Count = "connect retry count";
internal const string Connect_Retry_Interval = "connect retry interval";
internal const string Authentication = "authentication";
}
// Constant for the number of duplicate options in the connection string
private static class SYNONYM
{
//application intent
internal const string APPLICATIONINTENT = "applicationintent";
// application name
internal const string APP = "app";
internal const string Async = "async";
// attachDBFilename
internal const string EXTENDED_PROPERTIES = "extended properties";
internal const string INITIAL_FILE_NAME = "initial file name";
// connect timeout
internal const string CONNECTION_TIMEOUT = "connection timeout";
internal const string TIMEOUT = "timeout";
// current language
internal const string LANGUAGE = "language";
// data source
internal const string ADDR = "addr";
internal const string ADDRESS = "address";
internal const string SERVER = "server";
internal const string NETWORK_ADDRESS = "network address";
// initial catalog
internal const string DATABASE = "database";
// integrated security
internal const string TRUSTED_CONNECTION = "trusted_connection";
//connect retry count
internal const string CONNECTRETRYCOUNT = "connectretrycount";
//connect retry interval
internal const string CONNECTRETRYINTERVAL = "connectretryinterval";
// load balance timeout
internal const string Connection_Lifetime = "connection lifetime";
// multiple active result sets
internal const string MULTIPLEACTIVERESULTSETS = "multipleactiveresultsets";
// multi subnet failover
internal const string MULTISUBNETFAILOVER = "multisubnetfailover";
// network library
internal const string NET = "net";
internal const string NETWORK = "network";
#if NETCOREAPP
// pool blocking period
internal const string POOLBLOCKINGPERIOD = "poolblockingperiod";
#endif
// password
internal const string Pwd = "pwd";
// persist security info
internal const string PERSISTSECURITYINFO = "persistsecurityinfo";
// trust server certificate
internal const string TRUSTSERVERCERTIFICATE = "trustservercertificate";
// user id
internal const string UID = "uid";
internal const string User = "user";
// workstation id
internal const string WSID = "wsid";
// make sure to update SynonymCount value below when adding or removing synonyms
}
#if NETCOREAPP
internal const int SynonymCount = 25;
#else
internal const int SynonymCount = 24;
#endif
internal const int DeprecatedSynonymCount = 3;
internal enum TypeSystem
{
Latest = 2008,
SQLServer2000 = 2000,
SQLServer2005 = 2005,
SQLServer2008 = 2008,
SQLServer2012 = 2012,
}
internal static class TYPESYSTEMVERSION
{
internal const string Latest = "Latest";
internal const string SQL_Server_2000 = "SQL Server 2000";
internal const string SQL_Server_2005 = "SQL Server 2005";
internal const string SQL_Server_2008 = "SQL Server 2008";
internal const string SQL_Server_2012 = "SQL Server 2012";
}
internal enum TransactionBindingEnum
{
ImplicitUnbind,
ExplicitUnbind
}
internal static class TRANSACTIONBINDING
{
internal const string ImplicitUnbind = "Implicit Unbind";
internal const string ExplicitUnbind = "Explicit Unbind";
}
private static Dictionary<string, string> s_sqlClientSynonyms;
private readonly bool _integratedSecurity;
private readonly bool _encrypt;
private readonly bool _trustServerCertificate;
private readonly bool _enlist;
private readonly bool _mars;
private readonly bool _persistSecurityInfo;
private readonly bool _pooling;
private readonly bool _replication;
private readonly bool _userInstance;
private readonly bool _multiSubnetFailover;
private readonly SqlAuthenticationMethod _authType;
private readonly SqlConnectionColumnEncryptionSetting _columnEncryptionSetting;
private readonly string _enclaveAttestationUrl;
private readonly SqlConnectionAttestationProtocol _attestationProtocol;
private readonly int _commandTimeout;
private readonly int _connectTimeout;
private readonly int _loadBalanceTimeout;
private readonly int _maxPoolSize;
private readonly int _minPoolSize;
private readonly int _packetSize;
private readonly int _connectRetryCount;
private readonly int _connectRetryInterval;
private readonly ApplicationIntent _applicationIntent;
private readonly string _applicationName;
private readonly string _attachDBFileName;
private readonly string _currentLanguage;
private readonly string _dataSource;
private readonly string _localDBInstance; // created based on datasource, set to NULL if datasource is not LocalDB
private readonly string _failoverPartner;
private readonly string _initialCatalog;
private readonly string _password;
private readonly string _userID;
private readonly string _workstationId;
private readonly TransactionBindingEnum _transactionBinding;
private readonly TypeSystem _typeSystemVersion;
private readonly Version _typeSystemAssemblyVersion;
private static readonly Version constTypeSystemAsmVersion10 = new Version("10.0.0.0");
private static readonly Version constTypeSystemAsmVersion11 = new Version("11.0.0.0");
private readonly string _expandedAttachDBFilename; // expanded during construction so that CreatePermissionSet & Expand are consistent
internal SqlConnectionString(string connectionString) : base(connectionString, GetParseSynonyms())
{
ThrowUnsupportedIfKeywordSet(KEY.AsynchronousProcessing);
ThrowUnsupportedIfKeywordSet(KEY.Connection_Reset);
ThrowUnsupportedIfKeywordSet(KEY.Context_Connection);
// Network Library has its own special error message
if (ContainsKey(KEY.Network_Library))
{
throw SQL.NetworkLibraryKeywordNotSupported();
}
_integratedSecurity = ConvertValueToIntegratedSecurity();
#if NETCOREAPP
_poolBlockingPeriod = ConvertValueToPoolBlockingPeriod();
#endif
_encrypt = ConvertValueToBoolean(KEY.Encrypt, DEFAULT.Encrypt);
_enlist = ConvertValueToBoolean(KEY.Enlist, DEFAULT.Enlist);
_mars = ConvertValueToBoolean(KEY.MARS, DEFAULT.MARS);
_persistSecurityInfo = ConvertValueToBoolean(KEY.Persist_Security_Info, DEFAULT.Persist_Security_Info);
_pooling = ConvertValueToBoolean(KEY.Pooling, DEFAULT.Pooling);
_replication = ConvertValueToBoolean(KEY.Replication, DEFAULT.Replication);
_userInstance = ConvertValueToBoolean(KEY.User_Instance, DEFAULT.User_Instance);
_multiSubnetFailover = ConvertValueToBoolean(KEY.MultiSubnetFailover, DEFAULT.MultiSubnetFailover);
_commandTimeout = ConvertValueToInt32(KEY.Command_Timeout, DEFAULT.Command_Timeout);
_connectTimeout = ConvertValueToInt32(KEY.Connect_Timeout, DEFAULT.Connect_Timeout);
_loadBalanceTimeout = ConvertValueToInt32(KEY.Load_Balance_Timeout, DEFAULT.Load_Balance_Timeout);
_maxPoolSize = ConvertValueToInt32(KEY.Max_Pool_Size, DEFAULT.Max_Pool_Size);
_minPoolSize = ConvertValueToInt32(KEY.Min_Pool_Size, DEFAULT.Min_Pool_Size);
_packetSize = ConvertValueToInt32(KEY.Packet_Size, DEFAULT.Packet_Size);
_connectRetryCount = ConvertValueToInt32(KEY.Connect_Retry_Count, DEFAULT.Connect_Retry_Count);
_connectRetryInterval = ConvertValueToInt32(KEY.Connect_Retry_Interval, DEFAULT.Connect_Retry_Interval);
_applicationIntent = ConvertValueToApplicationIntent();
_applicationName = ConvertValueToString(KEY.Application_Name, DEFAULT.Application_Name);
_attachDBFileName = ConvertValueToString(KEY.AttachDBFilename, DEFAULT.AttachDBFilename);
_currentLanguage = ConvertValueToString(KEY.Current_Language, DEFAULT.Current_Language);
_dataSource = ConvertValueToString(KEY.Data_Source, DEFAULT.Data_Source);
_localDBInstance = LocalDBAPI.GetLocalDbInstanceNameFromServerName(_dataSource);
_failoverPartner = ConvertValueToString(KEY.FailoverPartner, DEFAULT.FailoverPartner);
_initialCatalog = ConvertValueToString(KEY.Initial_Catalog, DEFAULT.Initial_Catalog);
_password = ConvertValueToString(KEY.Password, DEFAULT.Password);
_trustServerCertificate = ConvertValueToBoolean(KEY.TrustServerCertificate, DEFAULT.TrustServerCertificate);
_authType = ConvertValueToAuthenticationType();
_columnEncryptionSetting = ConvertValueToColumnEncryptionSetting();
_enclaveAttestationUrl = ConvertValueToString(KEY.EnclaveAttestationUrl, DEFAULT.EnclaveAttestationUrl);
_attestationProtocol = ConvertValueToAttestationProtocol();
// Temporary string - this value is stored internally as an enum.
string typeSystemVersionString = ConvertValueToString(KEY.Type_System_Version, null);
string transactionBindingString = ConvertValueToString(KEY.TransactionBinding, null);
_userID = ConvertValueToString(KEY.User_ID, DEFAULT.User_ID);
_workstationId = ConvertValueToString(KEY.Workstation_Id, null);
if (_loadBalanceTimeout < 0)
{
throw ADP.InvalidConnectionOptionValue(KEY.Load_Balance_Timeout);
}
if (_connectTimeout < 0)
{
throw ADP.InvalidConnectionOptionValue(KEY.Connect_Timeout);
}
if (_commandTimeout < 0)
{
throw ADP.InvalidConnectionOptionValue(KEY.Command_Timeout);
}
if (_maxPoolSize < 1)
{
throw ADP.InvalidConnectionOptionValue(KEY.Max_Pool_Size);
}
if (_minPoolSize < 0)
{
throw ADP.InvalidConnectionOptionValue(KEY.Min_Pool_Size);
}
if (_maxPoolSize < _minPoolSize)
{
throw ADP.InvalidMinMaxPoolSizeValues();
}
if ((_packetSize < TdsEnums.MIN_PACKET_SIZE) || (TdsEnums.MAX_PACKET_SIZE < _packetSize))
{
throw SQL.InvalidPacketSizeValue();
}
ValidateValueLength(_applicationName, TdsEnums.MAXLEN_APPNAME, KEY.Application_Name);
ValidateValueLength(_currentLanguage, TdsEnums.MAXLEN_LANGUAGE, KEY.Current_Language);
ValidateValueLength(_dataSource, TdsEnums.MAXLEN_SERVERNAME, KEY.Data_Source);
ValidateValueLength(_failoverPartner, TdsEnums.MAXLEN_SERVERNAME, KEY.FailoverPartner);
ValidateValueLength(_initialCatalog, TdsEnums.MAXLEN_DATABASE, KEY.Initial_Catalog);
ValidateValueLength(_password, TdsEnums.MAXLEN_CLIENTSECRET, KEY.Password);
ValidateValueLength(_userID, TdsEnums.MAXLEN_CLIENTID, KEY.User_ID);
if (null != _workstationId)
{
ValidateValueLength(_workstationId, TdsEnums.MAXLEN_HOSTNAME, KEY.Workstation_Id);
}
if (!string.Equals(DEFAULT.FailoverPartner, _failoverPartner, StringComparison.OrdinalIgnoreCase))
{
// fail-over partner is set
if (_multiSubnetFailover)
{
throw SQL.MultiSubnetFailoverWithFailoverPartner(serverProvidedFailoverPartner: false, internalConnection: null);
}
if (string.Equals(DEFAULT.Initial_Catalog, _initialCatalog, StringComparison.OrdinalIgnoreCase))
{
throw ADP.MissingConnectionOptionValue(KEY.FailoverPartner, KEY.Initial_Catalog);
}
}
// expand during construction so that CreatePermissionSet and Expand are consistent
_expandedAttachDBFilename = ExpandDataDirectory(KEY.AttachDBFilename, _attachDBFileName);
if (null != _expandedAttachDBFilename)
{
if (0 <= _expandedAttachDBFilename.IndexOf('|'))
{
throw ADP.InvalidConnectionOptionValue(KEY.AttachDBFilename);
}
ValidateValueLength(_expandedAttachDBFilename, TdsEnums.MAXLEN_ATTACHDBFILE, KEY.AttachDBFilename);
if (_localDBInstance == null)
{
// fail fast to verify LocalHost when using |DataDirectory|
// still must check again at connect time
string host = _dataSource;
VerifyLocalHostAndFixup(ref host, true, false /*don't fix-up*/);
}
}
else if (0 <= _attachDBFileName.IndexOf('|'))
{
throw ADP.InvalidConnectionOptionValue(KEY.AttachDBFilename);
}
else
{
ValidateValueLength(_attachDBFileName, TdsEnums.MAXLEN_ATTACHDBFILE, KEY.AttachDBFilename);
}
_typeSystemAssemblyVersion = constTypeSystemAsmVersion10;
if (true == _userInstance && !string.IsNullOrEmpty(_failoverPartner))
{
throw SQL.UserInstanceFailoverNotCompatible();
}
if (string.IsNullOrEmpty(typeSystemVersionString))
{
typeSystemVersionString = DbConnectionStringDefaults.TypeSystemVersion;
}
if (typeSystemVersionString.Equals(TYPESYSTEMVERSION.Latest, StringComparison.OrdinalIgnoreCase))
{
_typeSystemVersion = TypeSystem.Latest;
}
else if (typeSystemVersionString.Equals(TYPESYSTEMVERSION.SQL_Server_2000, StringComparison.OrdinalIgnoreCase))
{
_typeSystemVersion = TypeSystem.SQLServer2000;
}
else if (typeSystemVersionString.Equals(TYPESYSTEMVERSION.SQL_Server_2005, StringComparison.OrdinalIgnoreCase))
{
_typeSystemVersion = TypeSystem.SQLServer2005;
}
else if (typeSystemVersionString.Equals(TYPESYSTEMVERSION.SQL_Server_2008, StringComparison.OrdinalIgnoreCase))
{
_typeSystemVersion = TypeSystem.SQLServer2008;
}
else if (typeSystemVersionString.Equals(TYPESYSTEMVERSION.SQL_Server_2012, StringComparison.OrdinalIgnoreCase))
{
_typeSystemVersion = TypeSystem.SQLServer2012;
_typeSystemAssemblyVersion = constTypeSystemAsmVersion11;
}
else
{
throw ADP.InvalidConnectionOptionValue(KEY.Type_System_Version);
}
if (string.IsNullOrEmpty(transactionBindingString))
{
transactionBindingString = DbConnectionStringDefaults.TransactionBinding;
}
if (transactionBindingString.Equals(TRANSACTIONBINDING.ImplicitUnbind, StringComparison.OrdinalIgnoreCase))
{
_transactionBinding = TransactionBindingEnum.ImplicitUnbind;
}
else if (transactionBindingString.Equals(TRANSACTIONBINDING.ExplicitUnbind, StringComparison.OrdinalIgnoreCase))
{
_transactionBinding = TransactionBindingEnum.ExplicitUnbind;
}
else
{
throw ADP.InvalidConnectionOptionValue(KEY.TransactionBinding);
}
if (_applicationIntent == ApplicationIntent.ReadOnly && !string.IsNullOrEmpty(_failoverPartner))
throw SQL.ROR_FailoverNotSupportedConnString();
if ((_connectRetryCount < 0) || (_connectRetryCount > 255))
{
throw ADP.InvalidConnectRetryCountValue();
}
if ((_connectRetryInterval < 1) || (_connectRetryInterval > 60))
{
throw ADP.InvalidConnectRetryIntervalValue();
}
if (Authentication != SqlAuthenticationMethod.NotSpecified && _integratedSecurity == true)
{
throw SQL.AuthenticationAndIntegratedSecurity();
}
if (Authentication == SqlClient.SqlAuthenticationMethod.ActiveDirectoryIntegrated && HasPasswordKeyword)
{
throw SQL.IntegratedWithPassword();
}
if (Authentication == SqlAuthenticationMethod.ActiveDirectoryInteractive && HasPasswordKeyword)
{
throw SQL.InteractiveWithPassword();
}
if (Authentication == SqlAuthenticationMethod.ActiveDirectoryDeviceCodeFlow && (HasUserIdKeyword || HasPasswordKeyword))
{
throw SQL.DeviceFlowWithUsernamePassword();
}
if (Authentication == SqlAuthenticationMethod.ActiveDirectoryManagedIdentity && HasPasswordKeyword)
{
throw SQL.ManagedIdentityWithPassword(DbConnectionStringBuilderUtil.ActiveDirectoryManagedIdentityString);
}
if (Authentication == SqlAuthenticationMethod.ActiveDirectoryMSI && HasPasswordKeyword)
{
throw SQL.ManagedIdentityWithPassword(DbConnectionStringBuilderUtil.ActiveDirectoryMSIString);
}
}
// This c-tor is used to create SSE and user instance connection strings when user instance is set to true
// BUG (VSTFDevDiv) 479687: Using TransactionScope with Linq2SQL against user instances fails with "connection has been broken" message
internal SqlConnectionString(SqlConnectionString connectionOptions, string dataSource, bool userInstance, bool? setEnlistValue) : base(connectionOptions)
{
_integratedSecurity = connectionOptions._integratedSecurity;
_encrypt = connectionOptions._encrypt;
if (setEnlistValue.HasValue)
{
_enlist = setEnlistValue.Value;
}
else
{
_enlist = connectionOptions._enlist;
}
_mars = connectionOptions._mars;
_persistSecurityInfo = connectionOptions._persistSecurityInfo;
_pooling = connectionOptions._pooling;
_replication = connectionOptions._replication;
_userInstance = userInstance;
_commandTimeout = connectionOptions._commandTimeout;
_connectTimeout = connectionOptions._connectTimeout;
_loadBalanceTimeout = connectionOptions._loadBalanceTimeout;
#if NETCOREAPP
_poolBlockingPeriod = connectionOptions._poolBlockingPeriod;
#endif
_maxPoolSize = connectionOptions._maxPoolSize;
_minPoolSize = connectionOptions._minPoolSize;
_multiSubnetFailover = connectionOptions._multiSubnetFailover;
_packetSize = connectionOptions._packetSize;
_applicationName = connectionOptions._applicationName;
_attachDBFileName = connectionOptions._attachDBFileName;
_currentLanguage = connectionOptions._currentLanguage;
_dataSource = dataSource;
_localDBInstance = LocalDBAPI.GetLocalDbInstanceNameFromServerName(_dataSource);
_failoverPartner = connectionOptions._failoverPartner;
_initialCatalog = connectionOptions._initialCatalog;
_password = connectionOptions._password;
_userID = connectionOptions._userID;
_workstationId = connectionOptions._workstationId;
_expandedAttachDBFilename = connectionOptions._expandedAttachDBFilename;
_typeSystemVersion = connectionOptions._typeSystemVersion;
_transactionBinding = connectionOptions._transactionBinding;
_applicationIntent = connectionOptions._applicationIntent;
_connectRetryCount = connectionOptions._connectRetryCount;
_connectRetryInterval = connectionOptions._connectRetryInterval;
_authType = connectionOptions._authType;
_columnEncryptionSetting = connectionOptions._columnEncryptionSetting;
_enclaveAttestationUrl = connectionOptions._enclaveAttestationUrl;
_attestationProtocol = connectionOptions._attestationProtocol;
ValidateValueLength(_dataSource, TdsEnums.MAXLEN_SERVERNAME, KEY.Data_Source);
}
internal bool IntegratedSecurity { get { return _integratedSecurity; } }
// We always initialize in Async mode so that both synchronous and asynchronous methods
// will work. In the future we can deprecate the keyword entirely.
internal bool Asynchronous { get { return true; } }
// SQLPT 41700: Ignore ResetConnection=False, always reset the connection for security
internal bool ConnectionReset { get { return true; } }
// internal bool EnableUdtDownload { get { return _enableUdtDownload;} }
internal bool Encrypt { get { return _encrypt; } }
internal bool TrustServerCertificate { get { return _trustServerCertificate; } }
internal bool Enlist { get { return _enlist; } }
internal bool MARS { get { return _mars; } }
internal bool MultiSubnetFailover { get { return _multiSubnetFailover; } }
internal SqlAuthenticationMethod Authentication { get { return _authType; } }
internal SqlConnectionColumnEncryptionSetting ColumnEncryptionSetting { get { return _columnEncryptionSetting; } }
internal string EnclaveAttestationUrl { get { return _enclaveAttestationUrl; } }
internal SqlConnectionAttestationProtocol AttestationProtocol { get { return _attestationProtocol; } }
internal bool PersistSecurityInfo { get { return _persistSecurityInfo; } }
internal bool Pooling { get { return _pooling; } }
internal bool Replication { get { return _replication; } }
internal bool UserInstance { get { return _userInstance; } }
internal int CommandTimeout { get { return _commandTimeout; } }
internal int ConnectTimeout { get { return _connectTimeout; } }
internal int LoadBalanceTimeout { get { return _loadBalanceTimeout; } }
internal int MaxPoolSize { get { return _maxPoolSize; } }
internal int MinPoolSize { get { return _minPoolSize; } }
internal int PacketSize { get { return _packetSize; } }
internal int ConnectRetryCount { get { return _connectRetryCount; } }
internal int ConnectRetryInterval { get { return _connectRetryInterval; } }
internal ApplicationIntent ApplicationIntent { get { return _applicationIntent; } }
internal string ApplicationName { get { return _applicationName; } }
internal string AttachDBFilename { get { return _attachDBFileName; } }
internal string CurrentLanguage { get { return _currentLanguage; } }
internal string DataSource { get { return _dataSource; } }
internal string LocalDBInstance { get { return _localDBInstance; } }
internal string FailoverPartner { get { return _failoverPartner; } }
internal string InitialCatalog { get { return _initialCatalog; } }
internal string Password { get { return _password; } }
internal string UserID { get { return _userID; } }
internal string WorkstationId { get { return _workstationId; } }
internal TypeSystem TypeSystemVersion { get { return _typeSystemVersion; } }
internal Version TypeSystemAssemblyVersion { get { return _typeSystemAssemblyVersion; } }
internal TransactionBindingEnum TransactionBinding { get { return _transactionBinding; } }
internal bool EnforceLocalHost
{
get
{
// so tdsparser.connect can determine if SqlConnection.UserConnectionOptions
// needs to enforce local host after datasource alias lookup
return (null != _expandedAttachDBFilename) && (null == _localDBInstance);
}
}
protected internal override string Expand()
{
if (null != _expandedAttachDBFilename)
{
return ExpandAttachDbFileName(_expandedAttachDBFilename);
}
else
{
return base.Expand();
}
}
private static bool CompareHostName(ref string host, string name, bool fixup)
{
// same computer name or same computer name + "\named instance"
bool equal = false;
if (host.Equals(name, StringComparison.OrdinalIgnoreCase))
{
if (fixup)
{
host = ".";
}
equal = true;
}
else if (host.StartsWith(name + @"\", StringComparison.OrdinalIgnoreCase))
{
if (fixup)
{
host = "." + host.Substring(name.Length);
}
equal = true;
}
return equal;
}
// This dictionary is meant to be read-only translation of parsed string
// keywords/synonyms to a known keyword string.
internal static Dictionary<string, string> GetParseSynonyms()
{
Dictionary<string, string> synonyms = s_sqlClientSynonyms;
if (null == synonyms)
{
int count = SqlConnectionStringBuilder.KeywordsCount + SqlConnectionStringBuilder.DeprecatedKeywordsCount + SynonymCount + DeprecatedSynonymCount;
synonyms = new Dictionary<string, string>(count)
{
{ KEY.ApplicationIntent, KEY.ApplicationIntent },
{ KEY.Application_Name, KEY.Application_Name },
{ KEY.AsynchronousProcessing, KEY.AsynchronousProcessing },
{ KEY.AttachDBFilename, KEY.AttachDBFilename },
#if NETCOREAPP
{ KEY.PoolBlockingPeriod, KEY.PoolBlockingPeriod},
#endif
{ KEY.Command_Timeout, KEY.Command_Timeout },
{ KEY.Connect_Timeout, KEY.Connect_Timeout },
{ KEY.Connection_Reset, KEY.Connection_Reset },
{ KEY.Context_Connection, KEY.Context_Connection },
{ KEY.Current_Language, KEY.Current_Language },
{ KEY.Data_Source, KEY.Data_Source },
{ KEY.Encrypt, KEY.Encrypt },
{ KEY.Enlist, KEY.Enlist },
{ KEY.FailoverPartner, KEY.FailoverPartner },
{ KEY.Initial_Catalog, KEY.Initial_Catalog },
{ KEY.Integrated_Security, KEY.Integrated_Security },
{ KEY.Load_Balance_Timeout, KEY.Load_Balance_Timeout },
{ KEY.MARS, KEY.MARS },
{ KEY.Max_Pool_Size, KEY.Max_Pool_Size },
{ KEY.Min_Pool_Size, KEY.Min_Pool_Size },
{ KEY.MultiSubnetFailover, KEY.MultiSubnetFailover },
{ KEY.Network_Library, KEY.Network_Library },
{ KEY.Packet_Size, KEY.Packet_Size },
{ KEY.Password, KEY.Password },
{ KEY.Persist_Security_Info, KEY.Persist_Security_Info },
{ KEY.Pooling, KEY.Pooling },
{ KEY.Replication, KEY.Replication },
{ KEY.TrustServerCertificate, KEY.TrustServerCertificate },
{ KEY.TransactionBinding, KEY.TransactionBinding },
{ KEY.Type_System_Version, KEY.Type_System_Version },
{ KEY.ColumnEncryptionSetting, KEY.ColumnEncryptionSetting },
{ KEY.EnclaveAttestationUrl, KEY.EnclaveAttestationUrl },
{ KEY.AttestationProtocol, KEY.AttestationProtocol},
{ KEY.User_ID, KEY.User_ID },
{ KEY.User_Instance, KEY.User_Instance },
{ KEY.Workstation_Id, KEY.Workstation_Id },
{ KEY.Connect_Retry_Count, KEY.Connect_Retry_Count },
{ KEY.Connect_Retry_Interval, KEY.Connect_Retry_Interval },
{ KEY.Authentication, KEY.Authentication },
{ SYNONYM.APP, KEY.Application_Name },
{ SYNONYM.APPLICATIONINTENT, KEY.ApplicationIntent },
{ SYNONYM.Async, KEY.AsynchronousProcessing },
{ SYNONYM.EXTENDED_PROPERTIES, KEY.AttachDBFilename },
{ SYNONYM.INITIAL_FILE_NAME, KEY.AttachDBFilename },
{ SYNONYM.CONNECTRETRYCOUNT, KEY.Connect_Retry_Count },
{ SYNONYM.CONNECTRETRYINTERVAL, KEY.Connect_Retry_Interval },
{ SYNONYM.CONNECTION_TIMEOUT, KEY.Connect_Timeout },
{ SYNONYM.TIMEOUT, KEY.Connect_Timeout },
{ SYNONYM.LANGUAGE, KEY.Current_Language },
{ SYNONYM.ADDR, KEY.Data_Source },
{ SYNONYM.ADDRESS, KEY.Data_Source },
{ SYNONYM.MULTIPLEACTIVERESULTSETS, KEY.MARS },
{ SYNONYM.MULTISUBNETFAILOVER, KEY.MultiSubnetFailover },
{ SYNONYM.NETWORK_ADDRESS, KEY.Data_Source },
#if NETCOREAPP
{ SYNONYM.POOLBLOCKINGPERIOD, KEY.PoolBlockingPeriod},
#endif
{ SYNONYM.SERVER, KEY.Data_Source },
{ SYNONYM.DATABASE, KEY.Initial_Catalog },
{ SYNONYM.TRUSTED_CONNECTION, KEY.Integrated_Security },
{ SYNONYM.Connection_Lifetime, KEY.Load_Balance_Timeout },
{ SYNONYM.NET, KEY.Network_Library },
{ SYNONYM.NETWORK, KEY.Network_Library },
{ SYNONYM.Pwd, KEY.Password },
{ SYNONYM.PERSISTSECURITYINFO, KEY.Persist_Security_Info },
{ SYNONYM.TRUSTSERVERCERTIFICATE, KEY.TrustServerCertificate },
{ SYNONYM.UID, KEY.User_ID },
{ SYNONYM.User, KEY.User_ID },
{ SYNONYM.WSID, KEY.Workstation_Id }
};
Debug.Assert(synonyms.Count == count, "incorrect initial ParseSynonyms size");
Interlocked.CompareExchange(ref s_sqlClientSynonyms, synonyms, null);
}
return synonyms;
}
internal string ObtainWorkstationId()
{
// If not supplied by the user, the default value is the MachineName
// Note: In Longhorn you'll be able to rename a machine without
// rebooting. Therefore, don't cache this machine name.
string result = WorkstationId;
if (null == result)
{
// permission to obtain Environment.MachineName is Asserted
// since permission to open the connection has been granted
// the information is shared with the server, but not directly with the user
result = ADP.MachineName();
ValidateValueLength(result, TdsEnums.MAXLEN_HOSTNAME, KEY.Workstation_Id);
}
return result;
}
private void ValidateValueLength(string value, int limit, string key)
{
if (limit < value.Length)
{
throw ADP.InvalidConnectionOptionValueLength(key, limit);
}
}
internal static void VerifyLocalHostAndFixup(ref string host, bool enforceLocalHost, bool fixup)
{
if (string.IsNullOrEmpty(host))
{
if (fixup)
{
host = ".";
}
}
else if (!CompareHostName(ref host, @".", fixup) &&
!CompareHostName(ref host, @"(local)", fixup))
{
// Fix-up completed in CompareHostName if return value true.
string name = GetComputerNameDnsFullyQualified(); // i.e, machine.location.corp.company.com
if (!CompareHostName(ref host, name, fixup))
{
int separatorPos = name.IndexOf('.'); // to compare just 'machine' part
if ((separatorPos <= 0) || !CompareHostName(ref host, name.Substring(0, separatorPos), fixup))
{
if (enforceLocalHost)
{
throw ADP.InvalidConnectionOptionValue(KEY.AttachDBFilename);
}
}
}
}
}
private static string GetComputerNameDnsFullyQualified()
{
try
{
var domainName = "." + IPGlobalProperties.GetIPGlobalProperties().DomainName;
var hostName = Dns.GetHostName();
if (domainName != "." && !hostName.EndsWith(domainName))
hostName += domainName;
return hostName;
}
catch (System.Net.Sockets.SocketException)
{
return Environment.MachineName;
}
}
internal ApplicationIntent ConvertValueToApplicationIntent()
{
string value;
if (!TryGetParsetableValue(KEY.ApplicationIntent, out value))
{
return DEFAULT.ApplicationIntent;
}
// when wrong value is used in the connection string provided to SqlConnection.ConnectionString or c-tor,
// wrap Format and Overflow exceptions with Argument one, to be consistent with rest of the keyword types (like int and bool)
try
{
return DbConnectionStringBuilderUtil.ConvertToApplicationIntent(KEY.ApplicationIntent, value);
}
catch (FormatException e)
{
throw ADP.InvalidConnectionOptionValue(KEY.ApplicationIntent, e);
}
catch (OverflowException e)
{
throw ADP.InvalidConnectionOptionValue(KEY.ApplicationIntent, e);
}
// ArgumentException and other types are raised as is (no wrapping)
}
internal void ThrowUnsupportedIfKeywordSet(string keyword)
{
if (ContainsKey(keyword))
{
throw SQL.UnsupportedKeyword(keyword);
}
}
internal SqlAuthenticationMethod ConvertValueToAuthenticationType()
{
if (!TryGetParsetableValue(KEY.Authentication, out string value))
{
return DEFAULT.Authentication;
}
try
{
return DbConnectionStringBuilderUtil.ConvertToAuthenticationType(KEY.Authentication, value);
}
catch (FormatException e)
{
throw ADP.InvalidConnectionOptionValue(KEY.Authentication, e);
}
catch (OverflowException e)
{
throw ADP.InvalidConnectionOptionValue(KEY.Authentication, e);
}
}
/// <summary>
/// Convert the value to SqlConnectionColumnEncryptionSetting.
/// </summary>
/// <returns></returns>
internal SqlConnectionColumnEncryptionSetting ConvertValueToColumnEncryptionSetting()
{
if (!TryGetParsetableValue(KEY.ColumnEncryptionSetting, out string value))
{
return DEFAULT.ColumnEncryptionSetting;
}
try
{
return DbConnectionStringBuilderUtil.ConvertToColumnEncryptionSetting(KEY.ColumnEncryptionSetting, value);
}
catch (FormatException e)
{
throw ADP.InvalidConnectionOptionValue(KEY.ColumnEncryptionSetting, e);
}
catch (OverflowException e)
{
throw ADP.InvalidConnectionOptionValue(KEY.ColumnEncryptionSetting, e);
}
}
/// <summary>
/// Convert the value to SqlConnectionAttestationProtocol
/// </summary>
/// <returns></returns>
internal SqlConnectionAttestationProtocol ConvertValueToAttestationProtocol()
{
if (!TryGetParsetableValue(KEY.AttestationProtocol, out string value))
{
return DEFAULT.AttestationProtocol;
}
try
{
return DbConnectionStringBuilderUtil.ConvertToAttestationProtocol(KEY.AttestationProtocol, value);
}
catch (FormatException e)
{
throw ADP.InvalidConnectionOptionValue(KEY.AttestationProtocol, e);
}
catch (OverflowException e)
{
throw ADP.InvalidConnectionOptionValue(KEY.AttestationProtocol, e);
}
}
}
}