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/*
* Anope IRC Services
*
* Copyright (C) 2011-2017 Anope Team <team@anope.org>
*
* This file is part of Anope. Anope is free software; you can
* redistribute it and/or modify it under the terms of the GNU
* General Public License as published by the Free Software
* Foundation, version 2.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see see <http://www.gnu.org/licenses/>.
*/
#pragma once
class LDAPException : public ModuleException
{
public:
LDAPException(const Anope::string &reason) : ModuleException(reason) { }
virtual ~LDAPException() throw() { }
};
struct LDAPModification
{
enum LDAPOperation
{
LDAP_ADD,
LDAP_DEL,
LDAP_REPLACE
};
LDAPOperation op;
Anope::string name;
std::vector<Anope::string> values;
};
typedef std::vector<LDAPModification> LDAPMods;
struct LDAPAttributes : public std::map<Anope::string, std::vector<Anope::string> >
{
size_t size(const Anope::string &attr) const
{
const std::vector<Anope::string>& array = this->getArray(attr);
return array.size();
}
const std::vector<Anope::string> keys() const
{
std::vector<Anope::string> k;
for (const_iterator it = this->begin(), it_end = this->end(); it != it_end; ++it)
k.push_back(it->first);
return k;
}
const Anope::string &get(const Anope::string &attr) const
{
const std::vector<Anope::string>& array = this->getArray(attr);
if (array.empty())
throw LDAPException("Empty attribute " + attr + " in LDAPResult::get");
return array[0];
}
const std::vector<Anope::string>& getArray(const Anope::string &attr) const
{
const_iterator it = this->find(attr);
if (it == this->end())
throw LDAPException("Unknown attribute " + attr + " in LDAPResult::getArray");
return it->second;
}
};
enum QueryType
{
QUERY_UNKNOWN,
QUERY_BIND,
QUERY_SEARCH,
QUERY_ADD,
QUERY_DELETE,
QUERY_MODIFY
};
struct LDAPResult
{
std::vector<LDAPAttributes> messages;
Anope::string error;
QueryType type;
LDAPResult()
{
this->type = QUERY_UNKNOWN;
}
size_t size() const
{
return this->messages.size();
}
bool empty() const
{
return this->messages.empty();
}
const LDAPAttributes &get(size_t sz) const
{
if (sz >= this->messages.size())
throw LDAPException("Index out of range");
return this->messages[sz];
}
const Anope::string &getError() const
{
return this->error;
}
};
class LDAPInterface
{
public:
Module *owner;
LDAPInterface(Module *m) : owner(m) { }
virtual ~LDAPInterface() { }
virtual void OnResult(const LDAPResult &r) anope_abstract;
virtual void OnError(const LDAPResult &err) anope_abstract;
virtual void OnDelete() { }
};
class LDAPProvider : public Service
{
public:
static constexpr const char *NAME = "ldap";
LDAPProvider(Module *c, const Anope::string &n) : Service(c, "LDAPProvider", n) { }
/** Attempt to bind to the LDAP server as an admin
* @param i The LDAPInterface the result is sent to
*/
virtual void BindAsAdmin(LDAPInterface *i) anope_abstract;
/** Bind to LDAP
* @param i The LDAPInterface the result is sent to
* @param who The binddn
* @param pass The password
*/
virtual void Bind(LDAPInterface *i, const Anope::string &who, const Anope::string &pass) anope_abstract;
/** Search ldap for the specified filter
* @param i The LDAPInterface the result is sent to
* @param base The base DN to search
* @param filter The filter to apply
*/
virtual void Search(LDAPInterface *i, const Anope::string &base, const Anope::string &filter) anope_abstract;
/** Add an entry to LDAP
* @param i The LDAPInterface the result is sent to
* @param dn The dn of the entry to add
* @param attributes The attributes
*/
virtual void Add(LDAPInterface *i, const Anope::string &dn, LDAPMods &attributes) anope_abstract;
/** Delete an entry from LDAP
* @param i The LDAPInterface the result is sent to
* @param dn The dn of the entry to delete
*/
virtual void Del(LDAPInterface *i, const Anope::string &dn) anope_abstract;
/** Modify an existing entry in LDAP
* @param i The LDAPInterface the result is sent to
* @param base The base DN to modify
* @param attributes The attributes to modify
*/
virtual void Modify(LDAPInterface *i, const Anope::string &base, LDAPMods &attributes) anope_abstract;
};
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