/*
 * Copyright (C) 1996-2023 The Squid Software Foundation and contributors
 *
 * Squid software is distributed under GPLv2+ license and includes
 * contributions from numerous individuals and organizations.
 * Please see the COPYING and CONTRIBUTORS files for details.
 */

#include "squid.h"
#include "anyp/PortCfg.h"
#include "comm.h"
#include "fatal.h"
#include "security/PeerOptions.h"
#if USE_OPENSSL
#include "ssl/support.h"
#endif

#include <cstring>
#include <limits>

AnyP::PortCfgPointer HttpPortList;
AnyP::PortCfgPointer FtpPortList;

int NHttpSockets = 0;
int HttpSockets[MAXTCPLISTENPORTS];

AnyP::PortCfg::PortCfg() :
    next(),
    s(),
    transport(AnyP::PROTO_HTTP,1,1), // "Squid is an HTTP proxy", etc.
    name(NULL),
    defaultsite(NULL),
    flags(),
    allow_direct(false),
    vhost(false),
    actAsOrigin(false),
    ignore_cc(false),
    connection_auth_disabled(false),
    ftp_track_dirs(false),
    vport(0),
    disable_pmtu_discovery(0),
    workerQueues(false),
    listenConn()
{
    memset(&tcp_keepalive, 0, sizeof(tcp_keepalive));
}

AnyP::PortCfg::~PortCfg()
{
    if (Comm::IsConnOpen(listenConn)) {
        listenConn->close();
        listenConn = NULL;
    }

    safe_free(name);
    safe_free(defaultsite);
}

AnyP::PortCfgPointer
AnyP::PortCfg::clone() const
{
    AnyP::PortCfgPointer b = new AnyP::PortCfg();
    b->s = s;
    if (name)
        b->name = xstrdup(name);
    if (defaultsite)
        b->defaultsite = xstrdup(defaultsite);

    b->transport = transport;
    b->flags = flags;
    b->allow_direct = allow_direct;
    b->vhost = vhost;
    b->vport = vport;
    b->connection_auth_disabled = connection_auth_disabled;
    b->workerQueues = workerQueues;
    b->ftp_track_dirs = ftp_track_dirs;
    b->disable_pmtu_discovery = disable_pmtu_discovery;
    b->tcp_keepalive = tcp_keepalive;
    b->secure = secure;

    return b;
}

ScopedId
AnyP::PortCfg::codeContextGist() const
{
    // Unfortunately, .name lifetime is too short in FTP use cases.
    // TODO: Consider adding InstanceId<uint32_t> to all RefCountable classes.
    return ScopedId("port");
}

std::ostream &
AnyP::PortCfg::detailCodeContext(std::ostream &os) const
{
    // parsePortSpecification() defaults optional port name to the required
    // listening address so we cannot easily distinguish one from the other.
    if (name)
        os << Debug::Extra << "listening port: " << name;
    else if (s.port())
        os << Debug::Extra << "listening port address: " << s;
    return os;
}