public override bool Connect(TdsConnectionParameters connectionParameters)
{
if (IsConnected)
{
throw new InvalidOperationException("The connection is already open.");
}
connectionParms = connectionParameters;
SetLanguage(connectionParameters.Language);
SetCharset("utf-8");
byte[] empty = new byte[0];
short authLen = 0;
byte pad = (byte)0;
byte[] domainMagic = { 6, 0x7d, 0x0f, 0xfd, 0xff, 0x0, 0x0, 0x0,
0x0, 0xe0, 0x83, 0x0, 0x0,
0x68, 0x01, 0x00, 0x00, 0x09, 0x04, 0x00, 0x00 };
byte[] sqlserverMagic = { 6, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0xe0, 0x03, 0x0,
0x0, 0x0, 0x0, 0x0,0x0, 0x0,
0x0, 0x0, 0x0 };
byte[] magic = null;
if (connectionParameters.DomainLogin)
{
magic = domainMagic;
}
else
{
magic = sqlserverMagic;
}
string username = connectionParameters.User;
string domain = null;
int idx = username.IndexOf("\\");
if (idx != -1)
{
domain = username.Substring(0, idx);
username = username.Substring(idx + 1);
connectionParameters.DefaultDomain = domain;
connectionParameters.User = username;
}
else
{
domain = Environment.UserDomainName;
connectionParameters.DefaultDomain = domain;
}
short partialPacketSize = (short)(86 + (
connectionParameters.Hostname.Length +
connectionParameters.ApplicationName.Length +
DataSource.Length +
connectionParameters.LibraryName.Length +
Language.Length +
connectionParameters.Database.Length +
connectionParameters.AttachDBFileName.Length) * 2);
if (connectionParameters.DomainLogin)
{
authLen = ((short)(32 + (connectionParameters.Hostname.Length +
domain.Length)));
partialPacketSize += authLen;
}
else
{
partialPacketSize += ((short)((username.Length + connectionParameters.Password.Length) * 2));
}
int totalPacketSize = partialPacketSize;
Comm.StartPacket(TdsPacketType.Logon70);
Comm.Append(totalPacketSize);
//Comm.Append (empty, 3, pad);
//byte[] version = {0x00, 0x0, 0x0, 0x71};
//Console.WriteLine ("Version: {0}", ClientVersion[3]);
Comm.Append(ClientVersion); // TDS Version 7
Comm.Append((int)this.PacketSize); // Set the Block Size
Comm.Append(empty, 3, pad);
Comm.Append(magic);
short curPos = 86;
// Hostname
Comm.Append(curPos);
Comm.Append((short)connectionParameters.Hostname.Length);
curPos += (short)(connectionParameters.Hostname.Length * 2);
if (connectionParameters.DomainLogin)
{
Comm.Append((short)0);
Comm.Append((short)0);
Comm.Append((short)0);
Comm.Append((short)0);
}
else
{
// Username
Comm.Append(curPos);
Comm.Append((short)username.Length);
curPos += ((short)(username.Length * 2));
// Password
Comm.Append(curPos);
Comm.Append((short)connectionParameters.Password.Length);
curPos += (short)(connectionParameters.Password.Length * 2);
}
// AppName
Comm.Append(curPos);
Comm.Append((short)connectionParameters.ApplicationName.Length);
curPos += (short)(connectionParameters.ApplicationName.Length * 2);
// Server Name
Comm.Append(curPos);
Comm.Append((short)DataSource.Length);
curPos += (short)(DataSource.Length * 2);
// Unknown
Comm.Append((short)curPos);
Comm.Append((short)0);
// Library Name
Comm.Append(curPos);
Comm.Append((short)connectionParameters.LibraryName.Length);
curPos += (short)(connectionParameters.LibraryName.Length * 2);
// Language
Comm.Append(curPos);
Comm.Append((short)Language.Length);
curPos += (short)(Language.Length * 2);
// Database
Comm.Append(curPos);
Comm.Append((short)connectionParameters.Database.Length);
curPos += (short)(connectionParameters.Database.Length * 2);
// MAC Address
Comm.Append((byte)0);
Comm.Append((byte)0);
Comm.Append((byte)0);
Comm.Append((byte)0);
Comm.Append((byte)0);
Comm.Append((byte)0);
// Authentication Stuff
Comm.Append((short)curPos);
if (connectionParameters.DomainLogin)
{
Comm.Append((short)authLen);
curPos += (short)authLen;
}
else
{
Comm.Append((short)0);
}
// Unknown
Comm.Append(curPos);
Comm.Append((short)(connectionParameters.AttachDBFileName.Length));
curPos += (short)(connectionParameters.AttachDBFileName.Length * 2);
// Connection Parameters
Comm.Append(connectionParameters.Hostname);
if (!connectionParameters.DomainLogin)
{
// SQL Server Authentication
Comm.Append(connectionParameters.User);
string scrambledPwd = EncryptPassword(connectionParameters.Password);
Comm.Append(scrambledPwd);
}
Comm.Append(connectionParameters.ApplicationName);
Comm.Append(DataSource);
Comm.Append(connectionParameters.LibraryName);
Comm.Append(Language);
Comm.Append(connectionParameters.Database);
if (connectionParameters.DomainLogin)
{
// the rest of the packet is NTLMSSP authentication
Type1Message msg = new Type1Message();
msg.Domain = domain;
msg.Host = connectionParameters.Hostname;
msg.Flags = NtlmFlags.NegotiateUnicode |
NtlmFlags.NegotiateNtlm |
NtlmFlags.NegotiateDomainSupplied |
NtlmFlags.NegotiateWorkstationSupplied |
NtlmFlags.NegotiateAlwaysSign; // 0xb201
Comm.Append(msg.GetBytes());
}
Comm.Append(connectionParameters.AttachDBFileName);
Comm.SendPacket();
MoreResults = true;
SkipToEnd();
return(IsConnected);
}
public override bool Connect (TdsConnectionParameters connectionParameters)
{
throw new NotImplementedException ();
}
public override bool Connect(TdsConnectionParameters connectionParameters)
{
if (IsConnected)
{
throw new InvalidOperationException("The connection is already open.");
}
SetCharset(connectionParameters.Charset);
SetLanguage(connectionParameters.Language);
byte pad = (byte)0;
byte[] empty = new byte[0];
Comm.StartPacket(TdsPacketType.Logon);
// hostname (offset 0)
byte[] tmp = Comm.Append(connectionParameters.Hostname, 30, pad);
Comm.Append((byte)(tmp.Length < 30 ? tmp.Length : 30));
// username (offset 31 0x1f)
tmp = Comm.Append(connectionParameters.User, 30, pad);
Comm.Append((byte)(tmp.Length < 30 ? tmp.Length : 30));
// password (offset 62 0x3e)
tmp = Comm.Append(GetPlainPassword(connectionParameters.Password), 30, pad);
Comm.Append((byte)(tmp.Length < 30 ? tmp.Length : 30));
// hostproc (offset 93 0x5d)
Comm.Append("00000116", 8, pad);
// unused (offset 109 0x6d)
Comm.Append(empty, (30 - 14), pad);
// apptype
Comm.Append((byte)0x0);
Comm.Append((byte)0xa0);
Comm.Append((byte)0x24);
Comm.Append((byte)0xcc);
Comm.Append((byte)0x50);
Comm.Append((byte)0x12);
// hostproc length
Comm.Append((byte)8);
// Byte order of 2 byte ints
// 2 = <MSB, LSB>, 3 = <LSB, MSB>
Comm.Append((byte)3);
// Byte order of 4 byte ints
// 0 = <MSB, LSB>, 1 = <LSB, MSB>
Comm.Append((byte)1);
// Character representation
// (6 = ASCII, 7 = EBCDIC)
Comm.Append((byte)6);
// Eight byte floating point representation
// 4 = IEEE <MSB, ..., LSB>
// 5 = VAX 'D'
// 10 = IEEE <LSB, ..., MSB>
// 11 = ND5000
Comm.Append((byte)10);
// Eight byte date format
// 8 = <MSB, ..., LSB>
Comm.Append((byte)9);
// notify of use db
Comm.Append((byte)1);
// disallow dump/load and bulk insert
Comm.Append((byte)1);
// sql interface type
Comm.Append((byte)0);
// type of network connection
Comm.Append((byte)0);
// spare [7]
Comm.Append(empty, 7, pad);
// appname
tmp = Comm.Append(connectionParameters.ApplicationName, 30, pad);
Comm.Append((byte)(tmp.Length < 30 ? tmp.Length : 30));
// server name
tmp = Comm.Append(DataSource, 30, pad);
Comm.Append((byte)(tmp.Length < 30 ? tmp.Length : 30));
// remote passwords
Comm.Append(empty, 2, pad);
tmp = Comm.Append(GetPlainPassword(connectionParameters.Password), 253, pad);
Comm.Append((byte)(tmp.Length < 253 ? tmp.Length + 2 : 253 + 2));
// tds version
Comm.Append((byte)(((byte)Version) / 10));
Comm.Append((byte)(((byte)Version) % 10));
Comm.Append((byte)0);
Comm.Append((byte)0);
// prog name
tmp = Comm.Append(connectionParameters.ProgName, 10, pad);
Comm.Append((byte)(tmp.Length < 10 ? tmp.Length : 10));
// prog version
Comm.Append((byte)6);
// Tell the server we can handle SQLServer version 6
Comm.Append((byte)0);
// Send zero to tell the server we can't handle any other version
Comm.Append((byte)0);
Comm.Append((byte)0);
// auto convert short
Comm.Append((byte)0);
// type of flt4
Comm.Append((byte)0x0d);
// type of date4
Comm.Append((byte)0x11);
// language
tmp = Comm.Append(Language, 30, pad);
Comm.Append((byte)(tmp.Length < 30 ? tmp.Length : 30));
// notify on lang change
Comm.Append((byte)1);
// security label hierarchy
Comm.Append((short)0);
// security components
Comm.Append(empty, 8, pad);
// security spare
Comm.Append((short)0);
// security login role
Comm.Append((byte)0);
// charset
tmp = Comm.Append(Charset, 30, pad);
Comm.Append((byte)(tmp.Length < 30 ? tmp.Length : 30));
// notify on charset change
Comm.Append((byte)1);
// length of tds packets
tmp = Comm.Append(PacketSize.ToString(), 6, pad);
Comm.Append((byte)3);
// pad out to a longword
Comm.Append(empty, 8, pad);
Comm.SendPacket();
MoreResults = true;
SkipToEnd();
return(IsConnected);
}
void SetDefaultConnectionParameters ()
{
if (parms == null)
parms = new TdsConnectionParameters ();
else
parms.Reset ();
dataSource = string.Empty;
connectionTimeout = DEFAULT_CONNECTIONTIMEOUT;
connectionLifeTime = DEFAULT_CONNECTIONLIFETIME;
connectionReset = true;
pooling = true;
maxPoolSize = DEFAULT_MAXPOOLSIZE;
minPoolSize = DEFAULT_MINPOOLSIZE;
packetSize = DEFAULT_PACKETSIZE;
port = DEFAULT_PORT;
async = false;
}
public override bool Connect (TdsConnectionParameters connectionParameters)
{
if (IsConnected)
throw new InvalidOperationException ("The connection is already open.");
byte[] capabilityRequest = {0x03, 0xef, 0x65, 0x41, 0xff, 0xff, 0xff, 0xd6};
byte[] capabilityResponse = {0x00, 0x00, 0x00, 0x06, 0x48, 0x00, 0x00, 0x08};
SetCharset (connectionParameters.Charset);
SetLanguage (connectionParameters.Language);
byte pad = (byte) 0;
byte[] empty = new byte[0];
Comm.StartPacket (TdsPacketType.Logon);
// hostname (offset 0)
// 0-30
byte[] tmp = Comm.Append (connectionParameters.Hostname, 30, pad);
Comm.Append ((byte) (tmp.Length < 30 ? tmp.Length : 30));
// username (offset 31 0x1f)
// 31-61
tmp = Comm.Append (connectionParameters.User, 30, pad);
Comm.Append ((byte) (tmp.Length < 30 ? tmp.Length : 30));
// password (offset 62 0x3e)
// 62-92
tmp = Comm.Append (GetPlainPassword(connectionParameters.Password), 30, pad);
Comm.Append ((byte) (tmp.Length < 30 ? tmp.Length : 30));
// hostproc (offset 93 0x5d)
// 93-123
tmp = Comm.Append ("37876", 30, pad);
Comm.Append ((byte) (tmp.Length < 30 ? tmp.Length : 30));
// Byte order of 2 byte ints
// 2 = <MSB, LSB>, 3 = <LSB, MSB>
// 124
Comm.Append ((byte) 3);
// Byte order of 4 byte ints
// 0 = <MSB, LSB>, 1 = <LSB, MSB>
// 125
Comm.Append ((byte) 1);
// Character representation
// (6 = ASCII, 7 = EBCDIC)
// 126
Comm.Append ((byte) 6);
// Eight byte floating point representation
// 4 = IEEE <MSB, ..., LSB>
// 5 = VAX 'D'
// 10 = IEEE <LSB, ..., MSB>
// 11 = ND5000
// 127
Comm.Append ((byte) 10);
// Eight byte date format
// 8 = <MSB, ..., LSB>
// 128
Comm.Append ((byte) 9);
// notify of use db
// 129
Comm.Append ((byte) 1);
// disallow dump/load and bulk insert
// 130
Comm.Append ((byte) 1);
// sql interface type
// 131
Comm.Append ((byte) 0);
// type of network connection
// 132
Comm.Append ((byte) 0);
// spare [7]
// 133-139
Comm.Append (empty, 7, pad);
// appname
// 140-170
tmp = Comm.Append (connectionParameters.ApplicationName, 30, pad);
Comm.Append ((byte) (tmp.Length < 30 ? tmp.Length : 30));
// server name
// 171-201
tmp = Comm.Append (DataSource, 30, pad);
Comm.Append ((byte) (tmp.Length < 30 ? tmp.Length : 30));
// remote passwords
// 202-457
Comm.Append (empty, 2, pad);
tmp = Comm.Append (GetPlainPassword(connectionParameters.Password), 253, pad);
Comm.Append ((byte) (tmp.Length < 253 ? tmp.Length + 2 : 253 + 2));
// tds version
// 458-461
Comm.Append ((byte) 5);
Comm.Append ((byte) 0);
Comm.Append ((byte) 0);
Comm.Append ((byte) 0);
// prog name
// 462-472
tmp = Comm.Append (connectionParameters.ProgName, 10, pad);
Comm.Append ((byte) (tmp.Length < 10 ? tmp.Length : 10));
// prog version
// 473-476
Comm.Append ((byte) 6);
Comm.Append ((byte) 0);
Comm.Append ((byte) 0);
Comm.Append ((byte) 0);
// auto convert short
// 477
Comm.Append ((byte) 0);
// type of flt4
// 478
Comm.Append ((byte) 0x0d);
// type of date4
// 479
Comm.Append ((byte) 0x11);
// language
// 480-510
tmp = Comm.Append (Language, 30, pad);
Comm.Append ((byte) (tmp.Length < 30 ? tmp.Length : 30));
// notify on lang change
// 511
Comm.Append ((byte) 1);
// security label hierarchy
// 512-513
Comm.Append ((short) 0);
// security components
// 514-521
Comm.Append (empty, 8, pad);
// security spare
// 522-523
Comm.Append ((short) 0);
// security login role
// 524
Comm.Append ((byte) 0);
// charset
// 525-555
tmp = Comm.Append (Charset, 30, pad);
Comm.Append ((byte) (tmp.Length < 30 ? tmp.Length : 30));
// notify on charset change
// 556
Comm.Append ((byte) 1);
// length of tds packets
// 557-563
tmp = Comm.Append (this.packetSize.ToString (), 6, pad);
Comm.Append ((byte) (tmp.Length < 6 ? tmp.Length : 6));
Comm.Append (empty, 8, pad);
// Padding...
// 564-567
//Comm.Append (empty, 4, pad);
// Capabilities
Comm.Append ((byte) TdsPacketSubType.Capability);
Comm.Append ((short) 20);
Comm.Append ((byte) 0x01); // TDS_CAP_REQUEST
Comm.Append (capabilityRequest);
Comm.Append ((byte) 0x02);
Comm.Append (capabilityResponse);
Comm.SendPacket ();
MoreResults = true;
SkipToEnd ();
return IsConnected;
}
public override bool Connect (TdsConnectionParameters connectionParameters)
{
//Console.WriteLine ("Tds80::Connect");
return base.Connect (connectionParameters);
}
public override bool Connect (TdsConnectionParameters connectionParameters)
{
if (IsConnected)
throw new InvalidOperationException ("The connection is already open.");
SetCharset (connectionParameters.Charset);
SetLanguage (connectionParameters.Language);
byte pad = (byte) 0;
byte[] empty = new byte[0];
Comm.StartPacket (TdsPacketType.Logon);
// hostname (offset 0)
byte[] tmp = Comm.Append (connectionParameters.Hostname, 30, pad);
Comm.Append ((byte) (tmp.Length < 30 ? tmp.Length : 30));
// username (offset 31 0x1f)
tmp = Comm.Append (connectionParameters.User, 30, pad);
Comm.Append ((byte) (tmp.Length < 30 ? tmp.Length : 30));
// password (offset 62 0x3e)
tmp = Comm.Append (GetPlainPassword(connectionParameters.Password), 30, pad);
Comm.Append ((byte) (tmp.Length < 30 ? tmp.Length : 30));
// hostproc (offset 93 0x5d)
Comm.Append ("00000116", 8, pad);
// unused (offset 109 0x6d)
Comm.Append (empty, (30-14), pad);
// apptype
Comm.Append ((byte) 0x0);
Comm.Append ((byte) 0xa0);
Comm.Append ((byte) 0x24);
Comm.Append ((byte) 0xcc);
Comm.Append ((byte) 0x50);
Comm.Append ((byte) 0x12);
// hostproc length
Comm.Append ((byte) 8);
// Byte order of 2 byte ints
// 2 = <MSB, LSB>, 3 = <LSB, MSB>
Comm.Append ((byte) 3);
// Byte order of 4 byte ints
// 0 = <MSB, LSB>, 1 = <LSB, MSB>
Comm.Append ((byte) 1);
// Character representation
// (6 = ASCII, 7 = EBCDIC)
Comm.Append ((byte) 6);
// Eight byte floating point representation
// 4 = IEEE <MSB, ..., LSB>
// 5 = VAX 'D'
// 10 = IEEE <LSB, ..., MSB>
// 11 = ND5000
Comm.Append ((byte) 10);
// Eight byte date format
// 8 = <MSB, ..., LSB>
Comm.Append ((byte) 9);
// notify of use db
Comm.Append ((byte) 1);
// disallow dump/load and bulk insert
Comm.Append ((byte) 1);
// sql interface type
Comm.Append ((byte) 0);
// type of network connection
Comm.Append ((byte) 0);
// spare [7]
Comm.Append (empty, 7, pad);
// appname
tmp = Comm.Append (connectionParameters.ApplicationName, 30, pad);
Comm.Append ((byte) (tmp.Length < 30 ? tmp.Length : 30));
// server name
tmp = Comm.Append (DataSource, 30, pad);
Comm.Append ((byte) (tmp.Length < 30 ? tmp.Length : 30));
// remote passwords
Comm.Append (empty, 2, pad);
tmp = Comm.Append (GetPlainPassword(connectionParameters.Password), 253, pad);
Comm.Append ((byte) (tmp.Length < 253 ? tmp.Length + 2 : 253 + 2));
// tds version
Comm.Append ((byte) (((byte) Version) / 10));
Comm.Append ((byte) (((byte) Version) % 10));
Comm.Append ((byte) 0);
Comm.Append ((byte) 0);
// prog name
tmp = Comm.Append (connectionParameters.ProgName, 10, pad);
Comm.Append ((byte) (tmp.Length < 10 ? tmp.Length : 10));
// prog version
Comm.Append ((byte) 6);
// Tell the server we can handle SQLServer version 6
Comm.Append ((byte) 0);
// Send zero to tell the server we can't handle any other version
Comm.Append ((byte) 0);
Comm.Append ((byte) 0);
// auto convert short
Comm.Append ((byte) 0);
// type of flt4
Comm.Append ((byte) 0x0d);
// type of date4
Comm.Append ((byte) 0x11);
// language
tmp = Comm.Append (Language, 30, pad);
Comm.Append ((byte) (tmp.Length < 30 ? tmp.Length : 30));
// notify on lang change
Comm.Append ((byte) 1);
// security label hierarchy
Comm.Append ((short) 0);
// security components
Comm.Append (empty, 8, pad);
// security spare
Comm.Append ((short) 0);
// security login role
Comm.Append ((byte) 0);
// charset
tmp = Comm.Append (Charset, 30, pad);
Comm.Append ((byte) (tmp.Length < 30 ? tmp.Length : 30));
// notify on charset change
Comm.Append ((byte) 1);
// length of tds packets
tmp = Comm.Append (PacketSize.ToString (), 6, pad);
Comm.Append ((byte) 3);
// pad out to a longword
Comm.Append (empty, 8, pad);
Comm.SendPacket ();
MoreResults = true;
SkipToEnd ();
return IsConnected;
}
public override bool Connect(TdsConnectionParameters connectionParameters)
{
//Console.WriteLine ("Tds80::Connect");
return(base.Connect(connectionParameters));
}
public override bool Connect (TdsConnectionParameters connectionParameters)
{
if (IsConnected)
throw new InvalidOperationException ("The connection is already open.");
connectionParms = connectionParameters;
SetLanguage (connectionParameters.Language);
SetCharset ("utf-8");
byte[] empty = new byte[0];
short authLen = 0;
byte pad = (byte) 0;
byte[] domainMagic = { 6, 0x7d, 0x0f, 0xfd, 0xff, 0x0, 0x0, 0x0,
0x0, 0xe0, 0x83, 0x0, 0x0,
0x68, 0x01, 0x00, 0x00, 0x09, 0x04, 0x00, 0x00 };
byte[] sqlserverMagic = { 6, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0xe0, 0x03, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0 };
byte[] magic = null;
if (connectionParameters.DomainLogin)
magic = domainMagic;
else
magic = sqlserverMagic;
string username = connectionParameters.User;
string domain = null;
int idx = username.IndexOf ("\\");
if (idx != -1) {
domain = username.Substring (0, idx);
username = username.Substring (idx + 1);
connectionParameters.DefaultDomain = domain;
connectionParameters.User = username;
} else {
domain = Environment.UserDomainName;
connectionParameters.DefaultDomain = domain;
}
short partialPacketSize = (short) (86 + (
connectionParameters.Hostname.Length +
connectionParameters.ApplicationName.Length +
DataSource.Length +
connectionParameters.LibraryName.Length +
Language.Length +
connectionParameters.Database.Length +
connectionParameters.AttachDBFileName.Length) * 2);
if (connectionParameters.DomainLogin) {
authLen = ((short) (32 + (connectionParameters.Hostname.Length +
domain.Length)));
partialPacketSize += authLen;
} else
partialPacketSize += ((short) ((username.Length + connectionParameters.Password.Length) * 2));
int totalPacketSize = partialPacketSize;
Comm.StartPacket (TdsPacketType.Logon70);
Comm.Append (totalPacketSize);
//Comm.Append (empty, 3, pad);
//byte[] version = {0x00, 0x0, 0x0, 0x71};
//Console.WriteLine ("Version: {0}", ClientVersion[3]);
Comm.Append (ClientVersion); // TDS Version 7
Comm.Append ((int)this.PacketSize); // Set the Block Size
Comm.Append (empty, 3, pad);
Comm.Append (magic);
short curPos = 86;
// Hostname
Comm.Append (curPos);
Comm.Append ((short) connectionParameters.Hostname.Length);
curPos += (short) (connectionParameters.Hostname.Length * 2);
if (connectionParameters.DomainLogin) {
Comm.Append((short)0);
Comm.Append((short)0);
Comm.Append((short)0);
Comm.Append((short)0);
} else {
// Username
Comm.Append (curPos);
Comm.Append ((short) username.Length);
curPos += ((short) (username.Length * 2));
// Password
Comm.Append (curPos);
Comm.Append ((short) connectionParameters.Password.Length);
curPos += (short) (connectionParameters.Password.Length * 2);
}
// AppName
Comm.Append (curPos);
Comm.Append ((short) connectionParameters.ApplicationName.Length);
curPos += (short) (connectionParameters.ApplicationName.Length * 2);
// Server Name
Comm.Append (curPos);
Comm.Append ((short) DataSource.Length);
curPos += (short) (DataSource.Length * 2);
// Unknown
Comm.Append ((short) curPos);
Comm.Append ((short) 0);
// Library Name
Comm.Append (curPos);
Comm.Append ((short) connectionParameters.LibraryName.Length);
curPos += (short) (connectionParameters.LibraryName.Length * 2);
// Language
Comm.Append (curPos);
Comm.Append ((short) Language.Length);
curPos += (short) (Language.Length * 2);
// Database
Comm.Append (curPos);
Comm.Append ((short) connectionParameters.Database.Length);
curPos += (short) (connectionParameters.Database.Length * 2);
// MAC Address
Comm.Append((byte) 0);
Comm.Append((byte) 0);
Comm.Append((byte) 0);
Comm.Append((byte) 0);
Comm.Append((byte) 0);
Comm.Append((byte) 0);
// Authentication Stuff
Comm.Append ((short) curPos);
if (connectionParameters.DomainLogin) {
Comm.Append ((short) authLen);
curPos += (short) authLen;
} else
Comm.Append ((short) 0);
// Unknown
Comm.Append (curPos);
Comm.Append ((short)( connectionParameters.AttachDBFileName.Length));
curPos += (short)(connectionParameters.AttachDBFileName.Length*2);
// Connection Parameters
Comm.Append (connectionParameters.Hostname);
if (!connectionParameters.DomainLogin) {
// SQL Server Authentication
Comm.Append (connectionParameters.User);
string scrambledPwd = EncryptPassword (connectionParameters.Password);
Comm.Append (scrambledPwd);
}
Comm.Append (connectionParameters.ApplicationName);
Comm.Append (DataSource);
Comm.Append (connectionParameters.LibraryName);
Comm.Append (Language);
Comm.Append (connectionParameters.Database);
if (connectionParameters.DomainLogin) {
// the rest of the packet is NTLMSSP authentication
Type1Message msg = new Type1Message ();
msg.Domain = domain;
msg.Host = connectionParameters.Hostname;
msg.Flags = NtlmFlags.NegotiateUnicode |
NtlmFlags.NegotiateNtlm |
NtlmFlags.NegotiateDomainSupplied |
NtlmFlags.NegotiateWorkstationSupplied |
NtlmFlags.NegotiateAlwaysSign; // 0xb201
Comm.Append (msg.GetBytes ());
}
Comm.Append (connectionParameters.AttachDBFileName);
Comm.SendPacket ();
MoreResults = true;
SkipToEnd ();
return IsConnected;
}
public override bool Connect(TdsConnectionParameters connectionParameters)
{
if (IsConnected)
{
throw new InvalidOperationException("The connection is already open.");
}
byte[] capabilityRequest = { 0x03, 0xef, 0x65, 0x41, 0xff, 0xff, 0xff, 0xd6 };
byte[] capabilityResponse = { 0x00, 0x00, 0x00, 0x06, 0x48, 0x00, 0x00, 0x08 };
SetCharset(connectionParameters.Charset);
SetLanguage(connectionParameters.Language);
byte pad = (byte)0;
byte[] empty = new byte[0];
Comm.StartPacket(TdsPacketType.Logon);
// hostname (offset 0)
// 0-30
byte[] tmp = Comm.Append(connectionParameters.Hostname, 30, pad);
Comm.Append((byte)(tmp.Length < 30 ? tmp.Length : 30));
// username (offset 31 0x1f)
// 31-61
tmp = Comm.Append(connectionParameters.User, 30, pad);
Comm.Append((byte)(tmp.Length < 30 ? tmp.Length : 30));
// password (offset 62 0x3e)
// 62-92
tmp = Comm.Append(GetPlainPassword(connectionParameters.Password), 30, pad);
Comm.Append((byte)(tmp.Length < 30 ? tmp.Length : 30));
// hostproc (offset 93 0x5d)
// 93-123
tmp = Comm.Append("37876", 30, pad);
Comm.Append((byte)(tmp.Length < 30 ? tmp.Length : 30));
// Byte order of 2 byte ints
// 2 = <MSB, LSB>, 3 = <LSB, MSB>
// 124
Comm.Append((byte)3);
// Byte order of 4 byte ints
// 0 = <MSB, LSB>, 1 = <LSB, MSB>
// 125
Comm.Append((byte)1);
// Character representation
// (6 = ASCII, 7 = EBCDIC)
// 126
Comm.Append((byte)6);
// Eight byte floating point representation
// 4 = IEEE <MSB, ..., LSB>
// 5 = VAX 'D'
// 10 = IEEE <LSB, ..., MSB>
// 11 = ND5000
// 127
Comm.Append((byte)10);
// Eight byte date format
// 8 = <MSB, ..., LSB>
// 128
Comm.Append((byte)9);
// notify of use db
// 129
Comm.Append((byte)1);
// disallow dump/load and bulk insert
// 130
Comm.Append((byte)1);
// sql interface type
// 131
Comm.Append((byte)0);
// type of network connection
// 132
Comm.Append((byte)0);
// spare [7]
// 133-139
Comm.Append(empty, 7, pad);
// appname
// 140-170
tmp = Comm.Append(connectionParameters.ApplicationName, 30, pad);
Comm.Append((byte)(tmp.Length < 30 ? tmp.Length : 30));
// server name
// 171-201
tmp = Comm.Append(DataSource, 30, pad);
Comm.Append((byte)(tmp.Length < 30 ? tmp.Length : 30));
// remote passwords
// 202-457
Comm.Append(empty, 2, pad);
tmp = Comm.Append(GetPlainPassword(connectionParameters.Password), 253, pad);
Comm.Append((byte)(tmp.Length < 253 ? tmp.Length + 2 : 253 + 2));
// tds version
// 458-461
Comm.Append((byte)5);
Comm.Append((byte)0);
Comm.Append((byte)0);
Comm.Append((byte)0);
// prog name
// 462-472
tmp = Comm.Append(connectionParameters.ProgName, 10, pad);
Comm.Append((byte)(tmp.Length < 10 ? tmp.Length : 10));
// prog version
// 473-476
Comm.Append((byte)6);
Comm.Append((byte)0);
Comm.Append((byte)0);
Comm.Append((byte)0);
// auto convert short
// 477
Comm.Append((byte)0);
// type of flt4
// 478
Comm.Append((byte)0x0d);
// type of date4
// 479
Comm.Append((byte)0x11);
// language
// 480-510
tmp = Comm.Append(Language, 30, pad);
Comm.Append((byte)(tmp.Length < 30 ? tmp.Length : 30));
// notify on lang change
// 511
Comm.Append((byte)1);
// security label hierarchy
// 512-513
Comm.Append((short)0);
// security components
// 514-521
Comm.Append(empty, 8, pad);
// security spare
// 522-523
Comm.Append((short)0);
// security login role
// 524
Comm.Append((byte)0);
// charset
// 525-555
tmp = Comm.Append(Charset, 30, pad);
Comm.Append((byte)(tmp.Length < 30 ? tmp.Length : 30));
// notify on charset change
// 556
Comm.Append((byte)1);
// length of tds packets
// 557-563
tmp = Comm.Append(this.packetSize.ToString(), 6, pad);
Comm.Append((byte)(tmp.Length < 6 ? tmp.Length : 6));
Comm.Append(empty, 8, pad);
// Padding...
// 564-567
//Comm.Append (empty, 4, pad);
// Capabilities
Comm.Append((byte)TdsPacketSubType.Capability);
Comm.Append((short)20);
Comm.Append((byte)0x01); // TDS_CAP_REQUEST
Comm.Append(capabilityRequest);
Comm.Append((byte)0x02);
Comm.Append(capabilityResponse);
Comm.SendPacket();
MoreResults = true;
SkipToEnd();
return(IsConnected);
}
protected override void Dispose (bool disposing)
{
if (!disposed) {
if (disposing) {
if (State == ConnectionState.Open)
Close ();
parms = null;
dataSource = null;
}
base.Dispose (disposing);
disposed = true;
}
}
public abstract bool Connect (TdsConnectionParameters connectionParameters);
