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Diffstat (limited to 'contrib/ldapc++/src/LDAPAsynConnection.h')
| -rw-r--r-- | contrib/ldapc++/src/LDAPAsynConnection.h | 338 |
1 files changed, 338 insertions, 0 deletions
diff --git a/contrib/ldapc++/src/LDAPAsynConnection.h b/contrib/ldapc++/src/LDAPAsynConnection.h new file mode 100644 index 0000000..2126874 --- /dev/null +++ b/contrib/ldapc++/src/LDAPAsynConnection.h @@ -0,0 +1,338 @@ +// $OpenLDAP$ +/* + * Copyright 2000-2021 The OpenLDAP Foundation, All Rights Reserved. + * COPYING RESTRICTIONS APPLY, see COPYRIGHT file + */ + + +#ifndef LDAP_ASYN_CONNECTION_H +#define LDAP_ASYN_CONNECTION_H + +#include<iostream> +#include<string> + +#include<ldap.h> + +#include <LDAPEntry.h> +#include <LDAPException.h> +#include <LDAPMessageQueue.h> +#include <LDAPConstraints.h> +#include <LDAPModification.h> +#include <LDAPModList.h> +#include <LDAPUrl.h> +#include <LDAPUrlList.h> +#include <SaslInteractionHandler.h> +#include <TlsOptions.h> + +//* Main class for an asynchronous LDAP connection +/** + * This class represents an asynchronous connection to an LDAP-Server. It + * provides the methods for authentication, and all other LDAP-Operations + * (e.g. search, add, delete, etc.) + * All of the LDAP-Operations return a pointer to a LDAPMessageQueue-Object, + * which can be used to obtain the results of that operation. + * A basic example of this class could be like this: <BR> + * 1. Create a new LDAPAsynConnection Object: <BR> + * 2. Use the init-method to initialize the connection <BR> + * 3. Call the bind-method to authenticate to the directory <BR> + * 4. Obtain the bind results from the return LDAPMessageQueue-Object <BR> + * 5. Perform on of the operations on the directory (add, delete, search, ..) + * <BR> + * 6. Use the return LDAPMessageQueue to obtain the results of the operation + * <BR> + * 7. Close the connection (feature not implemented yet :) ) <BR> + */ +class LDAPAsynConnection{ + public : + /** + * Constant for the Search-Operation to indicate a Base-Level + * Search + */ + static const int SEARCH_BASE=0; + + /** + * Constant for the Search-Operation to indicate a One-Level + * Search + */ + static const int SEARCH_ONE=1; + + /** + * Constant for the Search-Operation to indicate a subtree + * Search + */ + static const int SEARCH_SUB=2; + + /** Construtor that initializes a connection to a server + * @param hostname Name (or IP-Adress) of the destination host + * @param port Port the LDAP server is running on + * @param cons Default constraints to use with operations over + * this connection + */ + LDAPAsynConnection(const std::string& url=std::string("localhost"), + int port=0, LDAPConstraints *cons=new LDAPConstraints() ); + + //* Destructor + virtual ~LDAPAsynConnection(); + /** + * Initializes a connection to a server. + * + * There actually no + * communication to the server. Just the object is initialized + * (e.g. this method is called within the + * LDAPAsynConnection(char*,int,LDAPConstraints) constructor.) + * @param hostname The Name or IP-Address of the destination + * LDAP-Server + * @param port The Network Port the server is running on + */ + void init(const std::string& hostname, int port); + + /** + * Initializes a connection to a server. + * + * There actually no communication to the server. Just the + * object is initialized + * @param uri The LDAP-Uri for the destination + */ + void initialize(const std::string& uri); + + /** + * Start TLS on this connection. This isn't in the constructor, + * because it could fail (i.e. server doesn't have SSL cert, client + * api wasn't compiled against OpenSSL, etc.). + * @throws LDAPException if the TLS Layer could not be setup + * correctly + */ + void start_tls(); + + /** Simple authentication to a LDAP-Server + * + * @throws LDAPException If the Request could not be sent to the + * destination server, a LDAPException-object contains the + * error that occured. + * This method does a simple (username, password) bind to the server. + * Other, saver, authentcation methods are provided later + * @param dn the distiguished name to bind as + * @param passwd cleartext password to use + */ + LDAPMessageQueue* bind(const std::string& dn="", + const std::string& passwd="", + const LDAPConstraints *cons=0); + + LDAPMessageQueue* saslBind(const std::string& mech, + const std::string& cred, + const LDAPConstraints *cons=0); + + LDAPMessageQueue* saslInteractiveBind(const std::string& mech, + int flags=0, + SaslInteractionHandler *sih=0, + const LDAPConstraints *cons=0); + + /** Performing a search on a directory tree. + * + * Use the search method to perform a search on the LDAP-Directory + * @throws LDAPException If the Request could not be sent to the + * destination server, a LDAPException-object contains the + * error that occured. + * @param base The distinguished name of the starting point for the + * search operation + * @param scope The scope of the search. Possible values: <BR> + * LDAPAsynConnection::SEARCH_BASE, <BR> + * LDAPAsynConnection::SEARCH_ONE, <BR> + * LDAPAsynConnection::SEARCH_SUB + * @param filter The std::string representation of a search filter to + * use with this operation + * @param attrsOnly true if only the attributes names (no values) + * should be returned + * @param cons A set of constraints that should be used with this + * request + */ + LDAPMessageQueue* search(const std::string& base="", int scope=0, + const std::string& filter="objectClass=*", + const StringList& attrs=StringList(), + bool attrsOnly=false, + const LDAPConstraints *cons=0); + + /** Delete an entry from the directory + * + * This method sends a delete request to the server + * @throws LDAPException If the Request could not be sent to the + * destination server, a LDAPException-object contains the + * error that occured. + * @param dn Distinguished name of the entry that should be deleted + * @param cons A set of constraints that should be used with this + * request + */ + LDAPMessageQueue* del(const std::string& dn, const LDAPConstraints *cons=0); + + /** + * Perform the COMPARE-operation on an attribute + * + * @throws LDAPException If the Request could not be sent to the + * destination server, a LDAPException-object contains the + * error that occured. + * @param dn Distinguished name of the entry for which the compare + * should be performed + * @param attr An Attribute (one (!) value) to use for the + * compare operation + * @param cons A set of constraints that should be used with this + * request + */ + LDAPMessageQueue* compare(const std::string& dn, + const LDAPAttribute& attr, + const LDAPConstraints *cons=0); + + /** Add an entry to the directory + * + * @throws LDAPException If the Request could not be sent to the + * destination server, a LDAPException-object contains the + * error that occured. + * @param le The entry that will be added to the directory + */ + LDAPMessageQueue* add( const LDAPEntry* le, + const LDAPConstraints *const=0); + + /** Apply modifications to attributes of an entry + * + * @throws LDAPException If the Request could not be sent to the + * destination server, a LDAPException-object contains the + * error that occured. + * @param dn Distiguished Name of the Entry to modify + * @param modlist A set of modification that should be applied + * to the Entry + * @param cons A set of constraints that should be used with this + * request + */ + LDAPMessageQueue* modify(const std::string& dn, + const LDAPModList *modlist, + const LDAPConstraints *cons=0); + + /** modify the DN of an entry + * + * @throws LDAPException If the Request could not be sent to the + * destination server, a LDAPException-object contains the + * error that occured. + * @param dn DN to modify + * @param newRDN The new relative DN for the entry + * @param delOldRDN true=The old RDN will be removed from the + * attributes <BR> + * false=The old RDN will still be present in the + * attributes of the entry + * @param newParentDN The DN of the new parent entry of the entry + * 0 to keep the old one + */ + LDAPMessageQueue* rename(const std::string& dn, + const std::string& newRDN, + bool delOldRDN=false, const std::string& newParentDN="", + const LDAPConstraints* cons=0); + + /** Perform a LDAP extended Operation + * + * @throws LDAPException If the Request could not be sent to the + * destination server, a LDAPException-object contains the + * error that occured. + * @param oid The dotted decimal representation of the extended + * Operation that should be performed + * @param value The data asociated with this operation + * @param cons A set of constraints that should be used with this + * request + */ + LDAPMessageQueue* extOperation(const std::string& oid, + const std::string& value="", const LDAPConstraints *cons=0); + + /** End an outstanding request + * + * @param q All outstanding request related to this LDAPMessageQueue + * will be abandoned + */ + void abandon(LDAPMessageQueue *q); + + /** + * Performs the UNBIND-operation on the destination server + * + * @throws LDAPException in any case of an error + */ + void unbind(); + + /** + * @returns The C-APIs LDAP-structure that is associated with the + * current connection + */ + LDAP* getSessionHandle() const ; + + /** + * @returns The Hostname of the destination server of the + * connection. + */ + const std::string& getHost() const; + + /** + * @returns The Port to which this connection is connecting to on + * the remote server. + */ + int getPort() const; + + /** Change the default constraints of the connection + * + * @parameter cons cons New LDAPConstraints to use with the connection + */ + void setConstraints(LDAPConstraints *cons); + + /** Get the default constraints of the connection + * + * @return Pointer to the LDAPConstraints-Object that is currently + * used with the Connection + */ + const LDAPConstraints* getConstraints() const; + TlsOptions getTlsOptions() const; + /** + * This method is used internally for automatic referral chasing. + * It tries to bind to a destination server of the URLs of a + * referral. + * + * @throws LDAPException in any case of an error + * @param urls Contains a std::list of LDAP-Urls that indicate the + * destinations of a referral + * @param usedUrl After this method has successfully bind to one of + * the Destination URLs this parameter contains the URLs + * which was contacted. + * @param cons An LDAPConstraints-Object that should be used for + * the new connection. If this object contains a + * LDAPRebind-object it is used to bind to the new server + */ + LDAPAsynConnection* referralConnect(const LDAPUrlList& urls, + LDAPUrlList::const_iterator& usedUrl, + const LDAPConstraints* cons) const; + + private : + /** + * Private copy constructor. So nobody can call it. + */ + LDAPAsynConnection(const LDAPAsynConnection& lc){}; + + /** + * A pointer to the C-API LDAP-structure that is associated with + * this connection + */ + LDAP *cur_session; + + /** + * A pointer to the default LDAPConstrains-object that is used when + * no LDAPConstraints-parameter is provided with a call for a + * LDAP-operation + */ + LDAPConstraints *m_constr; + + /** + * The URI of this connection + */ + LDAPUrl m_uri; + + protected: + /** + * Is caching enabled? + */ + bool m_cacheEnabled; +}; +#endif //LDAP_ASYN_CONNECTION_H + + |