allowlocalhost.cpp

/*
 * Copyright (C) 2004-2017 ZNC, see the NOTICE file for details.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <znc/znc.h>

class CAllowLocalhost : public CModule {
  public:
    MODCONSTRUCTOR(CAllowLocalhost) {}

    ~CAllowLocalhost() override {}

    EModRet OnLoginAttempt(std::shared_ptr<CAuthBase> Auth) override {
        const CString sUser = Auth->GetUsername();
        Csock* pSock = Auth->GetSocket();
        CUser* pUser = CZNC::Get().FindUser(sUser);

        if (pSock == nullptr || pUser == nullptr) return CONTINUE;

        if (pSock->GetRemoteIP() == "127.0.0.1") {
            Auth->AcceptLogin(*pUser);
            return HALT;
        }

        return CONTINUE;
    }
};

GLOBALMODULEDEFS(
    CAllowLocalhost,
    "Allows localhost to auth without password.")