/// <summary> Constructs an LdapSearchConstraints object initialized with values
/// from an existing constraints object (LdapConstraints
/// or LdapSearchConstraints).
/// </summary>
public LdapSearchConstraints(LdapConstraints cons) : base(cons.TimeLimit, cons.ReferralFollowing, cons.getReferralHandler(), cons.HopLimit)
{
InitBlock();
LdapControl[] lsc = cons.getControls();
if (lsc != null)
{
LdapControl[] generated_var = new LdapControl[lsc.Length];
lsc.CopyTo(generated_var, 0);
setControls(generated_var);
}
System.Collections.Hashtable lp = cons.Properties;
if (lp != null)
{
Properties = (System.Collections.Hashtable)lp.Clone();
}
if (cons is LdapSearchConstraints)
{
LdapSearchConstraints scons = (LdapSearchConstraints)cons;
serverTimeLimit = scons.ServerTimeLimit;
dereference = scons.Dereference;
maxResults = scons.MaxResults;
batchSize = scons.BatchSize;
}
// Get a unique connection name for debug
}
/// <summary> Constructs an LdapSearchConstraints object initialized with values
/// from an existing constraints object (LdapConstraints
/// or LdapSearchConstraints).
/// </summary>
public LdapSearchConstraints(LdapConstraints cons)
: base(cons.TimeLimit, cons.ReferralFollowing, cons.getReferralHandler(), cons.HopLimit)
{
InitBlock();
LdapControl[] lsc = cons.getControls();
if (lsc != null)
{
LdapControl[] generated_var = new LdapControl[lsc.Length];
lsc.CopyTo(generated_var, 0);
base.setControls(generated_var);
}
Hashtable lp = cons.Properties;
if (lp != null)
{
base.Properties = (Hashtable)lp.Clone();
}
if (cons is LdapSearchConstraints)
{
LdapSearchConstraints scons = (LdapSearchConstraints)cons;
this.serverTimeLimit = scons.ServerTimeLimit;
this.dereference = scons.Dereference;
this.maxResults = scons.MaxResults;
this.batchSize = scons.BatchSize;
}
}
/// <summary>
/// Constructs an LdapSearchConstraints object initialized with values
/// from an existing constraints object (LdapConstraints
/// or LdapSearchConstraints).
/// </summary>
public LdapSearchConstraints(LdapConstraints cons)
: base(cons.TimeLimit, cons.ReferralFollowing, cons.getReferralHandler(), cons.HopLimit)
{
var lsc = cons.GetControls();
if (lsc != null)
{
var generatedVar = new LdapControl[lsc.Length];
lsc.CopyTo(generatedVar, 0);
SetControls(generatedVar);
}
var lp = cons.Properties;
if (lp != null)
{
Properties = (Hashtable)lp.Clone();
}
if (cons is LdapSearchConstraints)
{
var scons = (LdapSearchConstraints)cons;
ServerTimeLimit = scons.ServerTimeLimit;
Dereference = scons.Dereference;
MaxResults = scons.MaxResults;
BatchSize = scons.BatchSize;
}
}
/// <summary>
/// Abandon the request associated with MsgId.
/// </summary>
/// <param name="msgId">
/// the message id to abandon.
/// </param>
/// <param name="cons">
/// constraints associated with this request.
/// </param>
internal void Abandon(int msgId, LdapConstraints cons)
{
try
{
// Send abandon request and remove from connection list
var info = _messages.FindMessageById(msgId);
_messages.Remove(info);
info.Abandon(cons, null);
}
catch (FieldAccessException ex)
{
Logger.Log.LogWarning("Exception swallowed", ex);
}
}
/// <summary>
/// Abandon the request associated with MsgId.
/// </summary>
/// <param name="msgId">
/// the message id to abandon.
/// </param>
/// <param name="cons">
/// constraints associated with this request.
/// </param>
/// <param name="cancellationToken"></param>
internal async Task Abandon(int msgId, LdapConstraints cons, CancellationToken cancellationToken)
{
try
{
// Send abandon request and remove from connection list
var info = _messages.FindMessageById(msgId);
_messages.Remove(info);
await info.Abandon(cons, null, cancellationToken).ConfigureAwait(false);
}
catch (FieldAccessException ex)
{
Logger.Log.LogWarning("Exception swallowed", ex);
}
}
/// <summary>
/// Abandon the request associated with MsgId.
/// </summary>
/// <param name="msgId">
/// the message id to abandon.
/// </param>
/// <param name="cons">
/// constraints associated with this request.
/// </param>
internal void Abandon(int msgId, LdapConstraints cons)
{
try
{
// Send abandon request and remove from connection list
var info = _messages.FindMessageById(msgId);
SupportClass.VectorRemoveElement(_messages, info); // This message is now dead
info.Abandon(cons, null);
}
catch (FieldAccessException ex)
{
Logger.Log.LogWarning("Exception swallowed", ex);
}
}
/// <summary> Abandon the request associated with MsgId
///
/// </summary>
/// <param name="msgId">the message id to abandon
///
/// </param>
/// <param name="cons">constraints associated with this request
/// </param>
/* package */
internal void Abandon(int msgId, LdapConstraints cons)
//, boolean informUser)
{
Message info = null;
try
{
// Send abandon request and remove from connection list
info = messages.findMessageById(msgId);
SupportClass.VectorRemoveElement(messages, info); // This message is now dead
info.Abandon(cons, null);
}
catch (FieldAccessException ex)
{
}
}
internal virtual void Abandon(LdapConstraints cons, InterThreadException informUserEx)
{
if (!waitForReply_Renamed_Field)
{
return;
}
acceptReplies = false; // don't listen to anyone
waitForReply_Renamed_Field = false; // don't let sleeping threads lie
if (!complete)
{
try
{
// If a bind, release bind semaphore & wake up waiting threads
// Must do before writing abandon message, otherwise deadlock
if (bindprops != null)
{
int id;
if (conn.BindSemIdClear)
{
// Semaphore id for normal operations
id = msgId;
}
else
{
// Semaphore id for sasl bind
id = conn.BindSemId;
conn.clearBindSemId();
}
conn.freeWriteSemaphore(id);
}
// Create the abandon message, but don't track it.
LdapControl[] cont = null;
if (cons != null)
{
cont = cons.getControls();
}
LdapMessage msg = new LdapAbandonRequest(msgId, cont);
// Send abandon message to server
conn.writeMessage(msg);
}
catch (LdapException ex)
{
LogManager.GetCurrentClassLogger().Warn("Exception swallowed", ex);
}
// If not informing user, remove message from agent
if (informUserEx == null)
{
agent.Abandon(msgId, null);
}
conn.removeMessage(this);
}
// Get rid of all replies queued
if (informUserEx != null)
{
replies.Add(new LdapResponse(informUserEx, conn.ActiveReferral));
stopTimer();
// wake up waiting threads to receive exception
sleepersAwake();
// Message will get cleaned up when last response removed from queue
}
else
{
// Wake up any waiting threads, so they can terminate.
// If informing the user, we wake sleepers after
// caller queues dummy response with error status
sleepersAwake();
cleanup();
}
}
/// <summary>
///
/// Notifies the server not to send additional results associated with
/// this LdapSearchResults object, and discards any results already
/// received.
///
/// </summary>
/// <param name="results"> An object returned from a search.
///
/// </param>
/// <param name="cons"> The contraints specific to the operation.
///
/// </param>
/// <exception> LdapException A general exception which includes an error
/// message and an Ldap error code.
/// </exception>
public virtual void Abandon(LdapSearchResults results, LdapConstraints cons)
{
results.Abandon();
return ;
}
/// <summary> Check the result code and throw an exception if needed.
///
/// If referral following is enabled, checks if we need to
/// follow a referral
///
/// </summary>
/// <param name="queue">- the message queue of the current response
///
/// </param>
/// <param name="cons">- the constraints that apply to the request
///
/// </param>
/// <param name="response">- the LdapResponse to check
/// </param>
private void chkResultCode(LdapMessageQueue queue, LdapConstraints cons, LdapResponse response)
{
if ((response.ResultCode == LdapException.REFERRAL) && cons.ReferralFollowing)
{
// Perform referral following and return
System.Collections.ArrayList refConn = null;
try
{
chaseReferral(queue, cons, response, response.Referrals, 0, false, null);
}
finally
{
releaseReferralConnections(refConn);
}
}
else
{
// Throws exception for non success result
response.chkResultCode();
}
return ;
}
/// <summary> Asynchronously renames an existing entry in the directory, using the
/// specified constraints and possibily repositioning the entry in the
/// directory.
///
/// </summary>
/// <param name="dn"> The current distinguished name of the entry.
///
/// </param>
/// <param name="newRdn"> The new relative distinguished name for the entry.
///
/// </param>
/// <param name="newParentdn"> The distinguished name of an existing entry which
/// is to be the new parent of the entry.
///
/// </param>
/// <param name="deleteOldRdn"> If true, the old name is not retained as an
/// attribute value. If false, the old name is
/// retained as an attribute value.
///
/// </param>
/// <param name="queue"> The queue for messages returned from a server in
/// response to this request. If it is null, a
/// queue object is created internally.
///
/// </param>
/// <param name="cons"> The constraints specific to the operation.
///
/// </param>
/// <exception> LdapException A general exception which includes an error
/// message and an Ldap error code.
/// </exception>
public virtual LdapResponseQueue Rename(System.String dn, System.String newRdn, System.String newParentdn, bool deleteOldRdn, LdapResponseQueue queue, LdapConstraints cons)
{
if ((System.Object) dn == null || (System.Object) newRdn == null)
{
// Invalid DN or RDN parameter
throw new System.ArgumentException(ExceptionMessages.RDN_PARAM_ERROR);
}
if (cons == null)
cons = defSearchCons;
LdapMessage msg = new LdapModifyDNRequest(dn, newRdn, newParentdn, deleteOldRdn, cons.getControls());
return SendRequestToServer(msg, cons.TimeLimit, queue, null);
}
/// <summary>
/// Synchronously renames an existing entry in the directory, using the
/// specified constraints and possibly repositioning the entry in the
/// directory tree.
///
/// </summary>
/// <param name="dn"> The current distinguished name of the entry.
///
/// </param>
/// <param name="newRdn"> The new relative distinguished name for the entry.
///
/// </param>
/// <param name="newParentdn"> The distinguished name of an existing entry which
/// is to be the new parent of the entry.
///
/// </param>
/// <param name="deleteOldRdn"> If true, the old name is not retained as an
/// attribute value. If false, the old name is
/// retained as an attribute value.
///
/// </param>
/// <param name="cons"> The constraints specific to the operation.
///
/// </param>
/// <exception> LdapException A general exception which includes an error
/// message and an Ldap error code.
/// </exception>
public virtual void Rename(System.String dn, System.String newRdn, System.String newParentdn, bool deleteOldRdn, LdapConstraints cons)
{
LdapResponseQueue queue = Rename(dn, newRdn, newParentdn, deleteOldRdn, null, cons);
// Get a handle to the rename response
LdapResponse renameResponse = (LdapResponse) (queue.getResponse());
// Set local copy of responseControls synchronously - if there were any
lock (responseCtlSemaphore)
{
responseCtls = renameResponse.Controls;
}
chkResultCode(queue, cons, renameResponse);
return ;
}
/// <summary> Asynchronously makes a set of changes to an existing entry in the
/// directory, using the specified constraints and queue.
///
/// For example, this modify method can change attribute values, add new
/// attribute values, or remove existing attribute values.
///
/// Because the server applies all changes in an LdapModification array
/// atomically, the application can expect that no changes
/// have been performed if an error is returned.
/// If the request fails with {@link LdapException.CONNECT_ERROR},
/// it is indeterminate whether or not the server made the modifications.
///
/// </summary>
/// <param name="dn"> The distinguished name of the entry to modify.
///
/// </param>
/// <param name="mods"> The changes to be made to the entry.
///
/// </param>
/// <param name="queue"> The queue for messages returned from a server in
/// response to this request. If it is null, a
/// queue object is created internally.
///
/// </param>
/// <param name="cons"> Constraints specific to the operation.
///
/// </param>
/// <exception> LdapException A general exception which includes an error
/// message and an Ldap error code.
/// </exception>
public virtual LdapResponseQueue Modify(System.String dn, LdapModification[] mods, LdapResponseQueue queue, LdapConstraints cons)
{
if ((System.Object) dn == null)
{
// Invalid DN parameter
throw new System.ArgumentException(ExceptionMessages.DN_PARAM_ERROR);
}
if (cons == null)
cons = defSearchCons;
LdapMessage msg = new LdapModifyRequest(dn, mods, cons.getControls());
return SendRequestToServer(msg, cons.TimeLimit, queue, null);
}
/// <summary> Synchronously makes a set of changes to an existing entry in the
/// directory, using the specified constraints.
///
/// For example, this modify method changes attribute values, adds new
/// attribute values, or removes existing attribute values.
///
/// Because the server applies all changes in an LdapModification array
/// atomically, the application can expect that no changes
/// have been performed if an error is returned.
/// If the request fails with {@link LdapException.CONNECT_ERROR},
/// it is indeterminate whether or not the server made the modifications.
///
/// </summary>
/// <param name="dn"> The distinguished name of the entry to modify.
///
/// </param>
/// <param name="mods"> The changes to be made to the entry.
///
/// </param>
/// <param name="cons"> The constraints specific to the operation.
///
/// </param>
/// <exception> LdapException A general exception which includes an
/// error message and an Ldap error code.
/// </exception>
public virtual void Modify(System.String dn, LdapModification[] mods, LdapConstraints cons)
{
LdapResponseQueue queue = Modify(dn, mods, null, cons);
// Get a handle to the modify response
LdapResponse modifyResponse = (LdapResponse) (queue.getResponse());
// Set local copy of responseControls synchronously - if there were any
lock (responseCtlSemaphore)
{
responseCtls = modifyResponse.Controls;
}
chkResultCode(queue, cons, modifyResponse);
return ;
}
public virtual LdapResponseQueue Bind(int version, System.String dn, sbyte[] passwd, LdapResponseQueue queue, LdapConstraints cons, string mech)
{
int msgId;
BindProperties bindProps;
if (cons == null)
cons = defSearchCons;
if ((System.Object) dn == null)
{
dn = "";
}
else
{
dn = dn.Trim();
}
if (passwd == null)
passwd = new sbyte[]{};
bool anonymous = false;
if (passwd.Length == 0)
{
anonymous = true; // anonymous, passwd length zero with simple bind
dn = ""; // set to null if anonymous
}
LdapMessage msg;
#if TARGET_JVM
if (mech != null)
msg = new LdapBindRequest(version, "", mech, passwd, cons.getControls());
else
#endif
msg = new LdapBindRequest(version, dn, passwd, cons.getControls());
msgId = msg.MessageID;
bindProps = new BindProperties(version, dn, "simple", anonymous, null, null);
// For bind requests, if not connected, attempt to reconnect
if (!conn.Connected)
{
if ((System.Object) conn.Host != null)
{
conn.connect(conn.Host, conn.Port);
}
else
{
throw new LdapException(ExceptionMessages.CONNECTION_IMPOSSIBLE, LdapException.CONNECT_ERROR, null);
}
}
#if TARGET_JVM
// stopping reader to enable stream replace after secure binding is complete, see Connection.ReplaceStreams()
if (mech != null)
{
if (conn.BindSemIdClear) {
// need to acquire a semaphore only if bindSemId is clear
// because if we receive SASL_BIND_IN_PROGRESS the semaphore is not
// released when the response is queued
conn.acquireWriteSemaphore(msgId);
conn.BindSemId = msgId;
}
conn.stopReaderOnReply(msgId);
}
else
#endif
// The semaphore is released when the bind response is queued.
conn.acquireWriteSemaphore(msgId);
return SendRequestToServer(msg, cons.TimeLimit, queue, bindProps);
}
public virtual void Bind(int version, System.String dn, sbyte[] passwd, LdapConstraints cons)
{
LdapResponseQueue queue = Bind(version, dn, passwd, null, cons, null);
LdapResponse res = (LdapResponse) queue.getResponse();
if (res != null)
{
// Set local copy of responseControls synchronously if any
lock (responseCtlSemaphore)
{
responseCtls = res.Controls;
}
chkResultCode(queue, cons, res);
}
return ;
}
/// <summary> Synchronously authenticates to the Ldap server (that the object is
/// currently connected to) using the specified name, password, Ldap version,
/// and constraints.
///
/// If the object has been disconnected from an Ldap server,
/// this method attempts to reconnect to the server. If the object
/// has already authenticated, the old authentication is discarded.
///
/// </summary>
/// <param name="version"> The Ldap protocol version, use Ldap_V3.
/// Ldap_V2 is not supported.
///
/// </param>
/// <param name="dn"> If non-null and non-empty, specifies that the
/// connection and all operations through it should
/// be authenticated with dn as the distinguished
/// name.
///
/// </param>
/// <param name="passwd"> If non-null and non-empty, specifies that the
/// connection and all operations through it should
/// be authenticated with dn as the distinguished
/// name and passwd as password.
///
/// Note: the application should use care in the use
/// of String password objects. These are long lived
/// objects, and may expose a security risk, especially
/// in objects that are serialized. The LdapConnection
/// keeps no long lived instances of these objects.
///
/// </param>
/// <param name="cons"> The constraints specific to the operation.
///
/// </param>
/// <exception> LdapException A general exception which includes an error
/// message and an Ldap error code.
///
/// </exception>
public virtual void Bind(int version, System.String dn, System.String passwd, LdapConstraints cons)
{
sbyte[] pw = null;
if ((System.Object) passwd != null)
{
try
{
System.Text.Encoding encoder = System.Text.Encoding.GetEncoding("utf-8");
byte[] ibytes = encoder.GetBytes(passwd);
pw=SupportClass.ToSByteArray(ibytes);
// pw = passwd.getBytes("UTF8");
passwd = null; // Keep no reference to String object
}
catch (System.IO.IOException ex)
{
passwd = null; // Keep no reference to String object
throw new System.SystemException(ex.ToString());
}
}
Bind(version, dn, pw, cons);
return ;
}
/// <summary> Synchronously authenticates to the Ldap server (that the object is
/// currently connected to) as an Ldapv3 bind, using the specified name,
/// password, and constraints.
///
/// If the object has been disconnected from an Ldap server,
/// this method attempts to reconnect to the server. If the object
/// has already authenticated, the old authentication is discarded.
///
/// </summary>
/// <param name="dn"> If non-null and non-empty, specifies that the
/// connection and all operations through it should
/// be authenticated with dn as the distinguished
/// name.
///
/// </param>
/// <param name="passwd"> If non-null and non-empty, specifies that the
/// connection and all operations through it should
/// be authenticated with dn as the distinguished
/// name and passwd as password.
/// Note: the application should use care in the use
/// of String password objects. These are long lived
/// objects, and may expose a security risk, especially
/// in objects that are serialized. The LdapConnection
/// keeps no long lived instances of these objects.
///
/// </param>
/// <param name="cons"> Constraints specific to the operation.
///
/// </param>
/// <exception> LdapException A general exception which includes an error
/// message and an Ldap error code.
///
/// </exception>
public virtual void Bind(System.String dn, System.String passwd, LdapConstraints cons)
{
Bind(Ldap_V3, dn, passwd, cons);
return ;
}
/// <summary> Asynchronously adds an entry to the directory, using the specified
/// constraints.
///
/// </summary>
/// <param name="entry"> LdapEntry object specifying the distinguished
/// name and attributes of the new entry.
///
/// </param>
/// <param name="queue"> Handler for messages returned from a server in
/// response to this request. If it is null, a
/// queue object is created internally.
///
/// </param>
/// <param name="cons"> Constraints specific to the operation.
///
/// </param>
/// <exception> LdapException A general exception which includes an error
/// message and an Ldap error code.
/// </exception>
public virtual LdapResponseQueue Add(LdapEntry entry, LdapResponseQueue queue, LdapConstraints cons)
{
if (cons == null)
cons = defSearchCons;
// error check the parameters
if (entry == null)
{
throw new System.ArgumentException("The LdapEntry parameter" + " cannot be null");
}
if ((System.Object) entry.DN == null)
{
throw new System.ArgumentException("The DN value must be present" + " in the LdapEntry object");
}
LdapMessage msg = new LdapAddRequest(entry, cons.getControls());
return SendRequestToServer(msg, cons.TimeLimit, queue, null);
}
/// <summary>
/// Synchronously adds an entry to the directory, using the specified
/// constraints.
///
/// </summary>
/// <param name="entry"> LdapEntry object specifying the distinguished
/// name and attributes of the new entry.
///
/// </param>
/// <param name="cons"> Constraints specific to the operation.
///
/// </param>
/// <exception> LdapException A general exception which includes an error
/// message and an Ldap error code.
/// </exception>
public virtual void Add(LdapEntry entry, LdapConstraints cons)
{
LdapResponseQueue queue = Add(entry, null, cons);
// Get a handle to the add response
LdapResponse addResponse = (LdapResponse) (queue.getResponse());
// Set local copy of responseControls synchronously if there were any
lock (responseCtlSemaphore)
{
responseCtls = addResponse.Controls;
}
chkResultCode(queue, cons, addResponse);
return ;
}
/// <summary> Abandons all outstanding operations managed by the queue.
///
/// All operations in progress, which are managed by the specified
/// queue, are abandoned.
///
/// </summary>
/// <param name="queue"> The queue returned from an asynchronous request.
/// All outstanding operations managed by the queue
/// are abandoned, and the queue is emptied.
///
/// </param>
/// <param name="cons"> The contraints specific to the operation.
///
/// </param>
/// <exception> LdapException A general exception which includes an error
/// message and an Ldap error code.
/// </exception>
public virtual void Abandon(LdapMessageQueue queue, LdapConstraints cons)
{
if (queue != null)
{
MessageAgent agent;
if (queue is LdapSearchQueue)
{
agent = queue.MessageAgent;
}
else
{
agent = queue.MessageAgent;
}
int[] msgIds = agent.MessageIDs;
for (int i = 0; i < msgIds.Length; i++)
{
agent.Abandon(msgIds[i], cons);
}
}
return ;
}
/// <summary>
/// Synchronously checks to see if an entry contains an attribute with a
/// specified value, using the specified constraints.
///
/// </summary>
/// <param name="dn"> The distinguished name of the entry to use in the
/// comparison.
///
/// </param>
/// <param name="attr"> The attribute to compare against the entry. The
/// method checks to see if the entry has an
/// attribute with the same name and value as this
/// attribute.
///
/// </param>
/// <param name="cons"> Constraints specific to the operation.
///
/// </param>
/// <returns> True if the entry has the value,
/// and false if the entry does not
/// have the value or the attribute.
///
/// </returns>
/// <exception> LdapException A general exception which includes an error
/// message and an Ldap error code.
/// </exception>
public virtual bool Compare(System.String dn, LdapAttribute attr, LdapConstraints cons)
{
bool ret = false;
LdapResponseQueue queue = Compare(dn, attr, null, cons);
LdapResponse res = (LdapResponse) queue.getResponse();
// Set local copy of responseControls synchronously - if there were any
lock (responseCtlSemaphore)
{
responseCtls = res.Controls;
}
if (res.ResultCode == LdapException.COMPARE_TRUE)
{
ret = true;
}
else if (res.ResultCode == LdapException.COMPARE_FALSE)
{
ret = false;
}
else
{
chkResultCode(queue, cons, res);
}
return ret;
}
public static async Task <LdapWhoAmIResponse> WhoAmIAsync(this LdapConnection conn, LdapConstraints cons = null)
{
var result = await conn.ExtendedOperationAsync(new LdapWhoAmIOperation(), cons).ConfigureAwait(false);
if (result is LdapWhoAmIResponse whoami)
{
return(whoami);
}
return(new LdapWhoAmIResponse(result.Message));
}
/// <summary> Asynchronously compares an attribute value with one in the directory,
/// using the specified queue and contraints.
///
/// Please note that a successful completion of this command results in
/// one of two status codes: LdapException.COMPARE_TRUE if the entry
/// has the value, and LdapException.COMPARE_FALSE if the entry
/// does not have the value or the attribute.
///
/// </summary>
/// <param name="dn"> The distinguished name of the entry containing an
/// attribute to compare.
///
/// </param>
/// <param name="attr"> An attribute to compare.
///
/// </param>
/// <param name="queue"> Handler for messages returned from a server in
/// response to this request. If it is null, a
/// queue object is created internally.
///
/// </param>
/// <param name="cons"> Constraints specific to the operation.
///
/// </param>
/// <exception> LdapException A general exception which includes an error
/// message and an Ldap error code.
///
/// </exception>
/// <seealso cref="LdapException.COMPARE_TRUE">
/// </seealso>
/// <seealso cref="LdapException.COMPARE_FALSE">
/// </seealso>
public virtual LdapResponseQueue Compare(System.String dn, LdapAttribute attr, LdapResponseQueue queue, LdapConstraints cons)
{
if (attr.size() != 1)
{
throw new System.ArgumentException("compare: Exactly one value " + "must be present in the LdapAttribute");
}
if ((System.Object) dn == null)
{
// Invalid parameter
throw new System.ArgumentException("compare: DN cannot be null");
}
if (cons == null)
cons = defSearchCons;
LdapMessage msg = new LdapCompareRequest(dn, attr.Name, attr.ByteValue, cons.getControls());
return SendRequestToServer(msg, cons.TimeLimit, queue, null);
}
/// <summary> Asynchronously makes a single change to an existing entry in the
/// directory, using the specified constraints and queue.
///
/// For example, this modify method can change the value of an attribute,
/// add a new attribute value, or remove an existing attribute value.
///
/// The LdapModification object specifies both the change to be made
/// and the LdapAttribute value to be changed.
///
/// If the request fails with {@link LdapException.CONNECT_ERROR},
/// it is indeterminate whether or not the server made the modification.
///
/// </summary>
/// <param name="dn"> Distinguished name of the entry to modify.
///
/// </param>
/// <param name="mod"> A single change to be made to the entry.
///
/// </param>
/// <param name="queue"> Handler for messages returned from a server in
/// response to this request. If it is null, a
/// queue object is created internally.
///
/// </param>
/// <param name="cons"> Constraints specific to the operation.
///
/// </param>
/// <exception> LdapException A general exception which includes an error
/// message and an Ldap error code.
/// </exception>
public virtual LdapResponseQueue Modify(System.String dn, LdapModification mod, LdapResponseQueue queue, LdapConstraints cons)
{
LdapModification[] mods = new LdapModification[1];
mods[0] = mod;
return Modify(dn, mods, queue, cons);
}
/// <summary> Synchronously deletes the entry with the specified distinguished name
/// from the directory, using the specified constraints.
///
/// Note: A Delete operation will not remove an entry that contains
/// subordinate entries, nor will it dereference alias entries.
///
/// </summary>
/// <param name="dn"> The distinguished name of the entry to delete.
///
/// </param>
/// <param name="cons"> Constraints specific to the operation.
///
/// </param>
/// <exception> LdapException A general exception which includes an error
/// message and an Ldap error code.
/// </exception>
public virtual void Delete(System.String dn, LdapConstraints cons)
{
LdapResponseQueue queue = Delete(dn, null, cons);
// Get a handle to the delete response
LdapResponse deleteResponse = (LdapResponse) (queue.getResponse());
// Set local copy of responseControls synchronously - if there were any
lock (responseCtlSemaphore)
{
responseCtls = deleteResponse.Controls;
}
chkResultCode(queue, cons, deleteResponse);
return ;
}
/// <summary>
/// Synchronously renames an existing entry in the directory, using the
/// specified constraints.
///
/// </summary>
/// <param name="dn"> The current distinguished name of the entry.
///
/// </param>
/// <param name="newRdn"> The new relative distinguished name for the entry.
///
/// </param>
/// <param name="deleteOldRdn"> If true, the old name is not retained as an
/// attribute value. If false, the old name is
/// retained as an attribute value.
///
/// </param>
/// <param name="cons"> The constraints specific to the operation.
///
/// </param>
/// <exception> LdapException A general exception which includes an error
/// message and an Ldap error code.
/// </exception>
public virtual void Rename(System.String dn, System.String newRdn, bool deleteOldRdn, LdapConstraints cons)
{
// null for newParentdn means that this is originating as an Ldapv2 call
Rename(dn, newRdn, null, deleteOldRdn, cons);
return ;
}
/// <summary> Synchronously disconnects from the Ldap server.
///
/// Before the object can perform Ldap operations again, it must
/// reconnect to the server by calling connect.
///
/// The disconnect method abandons any outstanding requests, issues an
/// unbind request to the server, and then closes the socket.
///
/// </summary>
/// <param name="cons">LDPConstraints to be set with the unbind request
///
/// </param>
/// <exception> LdapException A general exception which includes an error
/// message and an Ldap error code.
/// </exception>
public virtual void Disconnect(LdapConstraints cons)
{
// disconnect from API call
Disconnect(cons, true);
return ;
}
/// <summary> Asynchronously renames an existing entry in the directory, using the
/// specified constraints.
///
/// </summary>
/// <param name="dn"> The current distinguished name of the entry.
///
/// </param>
/// <param name="newRdn"> The new relative distinguished name for the entry.
///
/// </param>
/// <param name="deleteOldRdn"> If true, the old name is not retained as an
/// attribute value. If false, the old name is
/// retained as an attribute value.
///
/// </param>
/// <param name="queue"> The queue for messages returned from a server in
/// response to this request. If it is null, a
/// queue object is created internally.
///
/// </param>
/// <param name="cons"> The constraints specific to the operation.
///
/// </param>
/// <exception> LdapException A general exception which includes an error
/// message and an Ldap error code.
/// </exception>
public virtual LdapResponseQueue Rename(System.String dn, System.String newRdn, bool deleteOldRdn, LdapResponseQueue queue, LdapConstraints cons)
{
return Rename(dn, newRdn, null, deleteOldRdn, queue, cons);
}
/// <summary> Synchronously disconnect from the server
///
/// </summary>
/// <param name="how">true if application call disconnect API, false if finalize.
/// </param>
private void Disconnect(LdapConstraints cons, bool how)
{
// disconnect doesn't affect other clones
// If not a clone, distroys connection
conn = conn.destroyClone(how);
return ;
}
/// <summary> Sends an Ldap request to a directory server.
///
/// The specified the Ldap request is sent to the directory server
/// associated with this connection. An Ldap request object is an
/// {@link LdapMessage} with the operation type set to one of the request
/// types. You can build a request by using the request classes found in this
/// package
///
/// You should note that, since Ldap requests sent to the server
/// using sendRequest are asynchronous, automatic referral following
/// does not apply to these requests.
///
/// </summary>
/// <param name="request">The Ldap request to send to the directory server.
/// </param>
/// <param name="queue"> The queue for messages returned from a server in
/// response to this request. If it is null, a
/// queue object is created internally.
/// </param>
/// <param name="cons"> The constraints that apply to this request
/// </param>
/// <exception> LdapException A general exception which includes an error
/// message and an Ldap error code.
///
/// </exception>
/// <seealso cref="LdapMessage.Type">
/// </seealso>
/// <seealso cref="RfcLdapMessage.isRequest">
/// </seealso>
public virtual LdapMessageQueue SendRequest(LdapMessage request, LdapMessageQueue queue, LdapConstraints cons)
{
if (!request.Request)
{
throw new System.SystemException("Object is not a request message");
}
if (cons == null)
{
cons = defSearchCons;
}
// Get the correct queue for a search request
MessageAgent agent;
LdapMessageQueue myqueue = queue;
if (myqueue == null)
{
agent = new MessageAgent();
if (request.Type == LdapMessage.SEARCH_REQUEST)
{
myqueue = new LdapSearchQueue(agent);
}
else
{
myqueue = new LdapResponseQueue(agent);
}
}
else
{
if (request.Type == LdapMessage.SEARCH_REQUEST)
{
agent = queue.MessageAgent;
}
else
{
agent = queue.MessageAgent;
}
}
try
{
agent.sendMessage(conn, request, cons.TimeLimit, myqueue, null);
}
catch (LdapException lex)
{
throw lex;
}
return myqueue;
}
//, boolean informUser)
/// <summary> Abandon the request associated with MsgId
///
/// </summary>
/// <param name="msgId">the message id to abandon
///
/// </param>
/// <param name="cons">constraints associated with this request
/// </param>
/* package */
internal void Abandon(int msgId, LdapConstraints cons)
{
Message info = null;
try
{
// Send abandon request and remove from connection list
info = messages.findMessageById(msgId);
SupportClass.VectorRemoveElement(messages, info); // This message is now dead
info.Abandon(cons, null);
return ;
}
catch (System.FieldAccessException ex)
{
}
return ;
}
/// <summary> Follow referrals if necessary referral following enabled.
/// This function is called only by synchronous requests.
/// Search responses come here only if referral following is
/// enabled and if we are processing a SearchResultReference
/// or a Response with a status of REFERRAL, i.e. we are
/// going to follow a referral.
///
/// This functions recursively follows a referral until a result
/// is returned or until the hop limit is reached.
///
/// </summary>
/// <param name="queue">The LdapResponseQueue for this request
///
/// </param>
/// <param name="cons">The constraints that apply to the request
///
/// </param>
/// <param name="msg">The referral or search reference response message
///
/// </param>
/// <param name="initialReferrals">The referral array returned from the
/// initial request.
///
/// </param>
/// <param name="hopCount">the number of hops already used while
/// following this referral
///
/// </param>
/// <param name="searchReference">true if the message is a search reference
///
/// </param>
/// <param name="connectionList">An optional array list used to store
/// the LdapConnection objects used in following the referral.
///
/// </param>
/// <returns> The array list used to store the all LdapConnection objects
/// used in following the referral. The list will be empty
/// if there were none.
///
/// </returns>
/// <exception> LdapException A general exception which includes an error
/// message and an Ldap error code.
/// </exception>
/* package */
internal virtual System.Collections.ArrayList chaseReferral(LdapMessageQueue queue, LdapConstraints cons, LdapMessage msg, System.String[] initialReferrals, int hopCount, bool searchReference, System.Collections.ArrayList connectionList)
{
System.Collections.ArrayList connList = connectionList;
LdapConnection rconn = null; // new conn for following referral
ReferralInfo rinfo = null; // referral info
LdapMessage origMsg;
// Get a place to store new connections
if (connList == null)
{
connList = new System.Collections.ArrayList(cons.HopLimit);
}
// Following referrals or search reference
System.String[] refs; // referral list
if (initialReferrals != null)
{
// Search continuation reference from a search request
refs = initialReferrals;
origMsg = msg.RequestingMessage;
}
else
{
// Not a search request
LdapResponse resp = (LdapResponse) queue.getResponse();
if (resp.ResultCode != LdapException.REFERRAL)
{
// Not referral result,throw Exception if nonzero result
resp.chkResultCode();
return connList;
}
// We have a referral response
refs = resp.Referrals;
origMsg = resp.RequestingMessage;
}
LdapUrl refUrl; // referral represented as URL
try
{
// increment hop count, check max hops
if (hopCount++ > cons.HopLimit)
{
throw new LdapLocalException("Max hops exceeded", LdapException.REFERRAL_LIMIT_EXCEEDED);
}
// Get a connection to follow the referral
rinfo = getReferralConnection(refs);
rconn = rinfo.ReferralConnection;
refUrl = rinfo.ReferralUrl;
connList.Add(rconn);
// rebuild msg into new msg changing msgID,dn,scope,filter
LdapMessage newMsg = rebuildRequest(origMsg, refUrl, searchReference);
// Send new message on new connection
try
{
MessageAgent agent;
if (queue is LdapResponseQueue)
{
agent = queue.MessageAgent;
}
else
{
agent = queue.MessageAgent;
}
agent.sendMessage(rconn.Connection, newMsg, defSearchCons.TimeLimit, queue, null);
}
catch (InterThreadException ex)
{
// Error ending request to referred server
LdapReferralException rex = new LdapReferralException(ExceptionMessages.REFERRAL_SEND, LdapException.CONNECT_ERROR, null, ex);
rex.setReferrals(initialReferrals);
ReferralInfo ref_Renamed = rconn.Connection.ActiveReferral;
rex.FailedReferral = ref_Renamed.ReferralUrl.ToString();
throw rex;
}
if (initialReferrals == null)
{
// For operation results, when all responses are complete,
// the stack unwinds back to the original and returns
// to the application.
// An exception is thrown for an error
connList = chaseReferral(queue, cons, null, null, hopCount, false, connList);
}
else
{
// For search, just return to LdapSearchResults object
return connList;
}
}
catch (System.Exception ex)
{
if (ex is LdapReferralException)
{
throw (LdapReferralException) ex;
}
else
{
// Set referral list and failed referral
LdapReferralException rex = new LdapReferralException(ExceptionMessages.REFERRAL_ERROR, ex);
rex.setReferrals(refs);
if (rinfo != null)
{
rex.FailedReferral = rinfo.ReferralUrl.ToString();
}
else
{
rex.FailedReferral = refs[refs.Length - 1];
}
throw rex;
}
}
return connList;
}
/*
* Asynchronous Ldap extended request with SearchConstraints
*/
/// <summary> Provides an asynchronous means to access extended, non-mandatory
/// operations offered by a particular Ldapv3 compliant server.
///
/// </summary>
/// <param name="op"> The object which contains (1) an identifier of an extended
/// operation which should be recognized by the particular Ldap
/// server this client is connected to and (2) an operation-
/// specific sequence of octet strings or BER-encoded values.
///
/// </param>
/// <param name="queue"> The queue for messages returned from a server in
/// response to this request. If it is null, a queue
/// object is created internally.
///
/// </param>
/// <param name="cons"> The constraints specific to this operation.
///
/// </param>
/// <returns> An operation-specific object, containing an ID and either an
/// octet string or BER-encoded values.
///
/// </returns>
/// <exception> LdapException A general exception which includes an error
/// message and an Ldap error code.
/// </exception>
public virtual LdapResponseQueue ExtendedOperation(LdapExtendedOperation op, LdapConstraints cons, LdapResponseQueue queue)
{
// Use default constraints if none-specified
if (cons == null)
cons = defSearchCons;
LdapMessage msg = MakeExtendedOperation(op, cons);
return SendRequestToServer(msg, cons.TimeLimit, queue, null);
}
/// <summary> Abandons an asynchronous operation, using the specified
/// constraints.
///
/// </summary>
/// <param name="id">The ID of the asynchronous operation to abandon.
/// The ID can be obtained from the search
/// queue for the operation.
///
/// </param>
/// <param name="cons">The contraints specific to the operation.
///
/// </param>
/// <exception> LdapException A general exception which includes an error
/// message and an Ldap error code.
/// </exception>
public virtual void Abandon(int id, LdapConstraints cons)
{
// We need to inform the Message Agent which owns this messageID to
// remove it from the queue.
try
{
MessageAgent agent = conn.getMessageAgent(id);
agent.Abandon(id, cons);
return ;
}
catch (System.FieldAccessException ex)
{
return ; // Ignore error
}
}
/// <summary> Formulates the extended operation, constraints into an
/// LdapMessage and returns the LdapMessage. This is used by
/// extendedOperation and startTLS which needs the LdapMessage to
/// get the MessageID.
/// </summary>
protected internal virtual LdapMessage MakeExtendedOperation(LdapExtendedOperation op, LdapConstraints cons)
{
// Use default constraints if none-specified
if (cons == null)
cons = defSearchCons;
// error check the parameters
if ((System.Object) op.getID() == null)
{
// Invalid extended operation parameter, no OID specified
throw new System.ArgumentException(ExceptionMessages.OP_PARAM_ERROR);
}
return new LdapExtendedRequest(op, cons.getControls());
}
internal virtual void Abandon(LdapConstraints cons, InterThreadException informUserEx)
{
if (!waitForReply_Renamed_Field)
{
return ;
}
acceptReplies = false; // don't listen to anyone
waitForReply_Renamed_Field = false; // don't let sleeping threads lie
if (!complete)
{
try
{
// If a bind, release bind semaphore & wake up waiting threads
// Must do before writing abandon message, otherwise deadlock
if (bindprops != null)
{
int id;
if (conn.BindSemIdClear)
{
// Semaphore id for normal operations
id = msgId;
}
else
{
// Semaphore id for sasl bind
id = conn.BindSemId;
conn.clearBindSemId();
}
conn.freeWriteSemaphore(id);
}
// Create the abandon message, but don't track it.
LdapControl[] cont = null;
if (cons != null)
{
cont = cons.getControls();
}
LdapMessage msg = new LdapAbandonRequest(msgId, cont);
// Send abandon message to server
conn.writeMessage(msg);
}
catch (LdapException ex)
{
; // do nothing
}
// If not informing user, remove message from agent
if (informUserEx == null)
{
agent.Abandon(msgId, null);
}
conn.removeMessage(this);
}
// Get rid of all replies queued
if (informUserEx != null)
{
replies.Add(new LdapResponse(informUserEx, conn.ActiveReferral));
stopTimer();
// wake up waiting threads to receive exception
sleepersAwake();
// Message will get cleaned up when last response removed from queue
}
else
{
// Wake up any waiting threads, so they can terminate.
// If informing the user, we wake sleepers after
// caller queues dummy response with error status
sleepersAwake();
cleanup();
}
return ;
}
/// <summary>
/// Synchronously makes a single change to an existing entry in the
/// directory, using the specified constraints.
///
/// For example, this modify method changes the value of an attribute,
/// adds a new attribute value, or removes an existing attribute value.
///
/// The LdapModification object specifies both the change to be
/// made and the LdapAttribute value to be changed.
///
/// If the request fails with {@link LdapException.CONNECT_ERROR},
/// it is indeterminate whether or not the server made the modification.
///
/// </summary>
/// <param name="dn"> The distinguished name of the entry to modify.
///
/// </param>
/// <param name="mod"> A single change to be made to the entry.
///
/// </param>
/// <param name="cons"> The constraints specific to the operation.
///
/// </param>
/// <exception> LdapException A general exception which includes an error
/// message and an Ldap error code.
/// </exception>
public virtual void Modify(System.String dn, LdapModification mod, LdapConstraints cons)
{
LdapModification[] mods = new LdapModification[1];
mods[0] = mod;
Modify(dn, mods, cons);
return ;
}
/*
* Synchronous Ldap extended request with SearchConstraints
*/
/// <summary>
/// Provides a synchronous means to access extended, non-mandatory
/// operations offered by a particular Ldapv3 compliant server.
///
/// </summary>
/// <param name="op"> The object which contains (1) an identifier of an extended
/// operation which should be recognized by the particular Ldap
/// server this client is connected to and (2) an
/// operation-specific sequence of octet strings
/// or BER-encoded values.
///
/// </param>
/// <param name="cons">The constraints specific to the operation.
///
/// </param>
/// <returns> An operation-specific object, containing an ID and either an
/// octet string or BER-encoded values.
///
/// </returns>
/// <exception> LdapException A general exception which includes an error
/// message and an Ldap error code.
/// </exception>
public virtual LdapExtendedResponse ExtendedOperation(LdapExtendedOperation op, LdapConstraints cons)
{
// Call asynchronous API and get back handler to reponse queue
LdapResponseQueue queue = ExtendedOperation(op, cons, null);
LdapExtendedResponse response = (LdapExtendedResponse) queue.getResponse();
// Set local copy of responseControls synchronously - if there were any
lock (responseCtlSemaphore)
{
responseCtls = response.Controls;
}
chkResultCode(queue, cons, response);
return response;
}
private byte[] SendLdapSaslBindRequest(byte[] toWrite, string mechanism, BindProperties bindProps, LdapConstraints constraints)
{
constraints = constraints ?? _defSearchCons;
var msg = new LdapSaslBindRequest(LdapV3, mechanism, constraints.GetControls(), toWrite);
var queue = SendRequestToServer(msg, constraints.TimeLimit, null, bindProps);
if (!(queue.GetResponse() is LdapResponse ldapResponse))
{
throw new LdapException("Bind failure, no response received.");
}
var bindResponse = (RfcBindResponse)ldapResponse.Asn1Object.get_Renamed(1);
lock (_responseCtlSemaphore)
{
_responseCtls = ldapResponse.Controls;
}
var serverCreds = bindResponse.ServerSaslCreds;
var resultCode = ldapResponse.ResultCode;
byte[] replyBuf = null;
if (resultCode == LdapException.SaslBindInProgress || resultCode == LdapException.Success)
{
if (serverCreds != null)
{
replyBuf = serverCreds.ByteValue();
}
}
else
{
ldapResponse.ChkResultCode();
throw new LdapException("SASL Bind Error.", resultCode, null);
}
return(replyBuf);
}
