/* Copyright (C) 2007-2022 Open Information Security Foundation

 *

 * You can copy, redistribute or modify this Program under the terms of

 * the GNU General Public License version 2 as published by the Free

 * Software Foundation.

 *

 * 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

 * version 2 along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

 * 02110-1301, USA.

 */

/**

 * \file

 *

 * \author Victor Julien <victor@inliniac.net>

 * \author Anoop Saldanha <anoopsaldanha@gmail.com>

 */

#include "suricata-common.h"

#include "app-layer-protos.h"

typedef struct AppProtoStringTuple {

    AppProto alproto;

    const char *str;

} AppProtoStringTuple;

const AppProtoStringTuple AppProtoStrings[ALPROTO_MAX] = {

    { ALPROTO_UNKNOWN, "unknown" },

    { ALPROTO_HTTP1, "http1" },

    { ALPROTO_FTP, "ftp" },

    { ALPROTO_SMTP, "smtp" },

    { ALPROTO_TLS, "tls" },

    { ALPROTO_SSH, "ssh" },

    { ALPROTO_IMAP, "imap" },

    { ALPROTO_JABBER, "jabber" },

    { ALPROTO_SMB, "smb" },

    { ALPROTO_DCERPC, "dcerpc" },

    { ALPROTO_IRC, "irc" },

    { ALPROTO_DNS, "dns" },

    { ALPROTO_MODBUS, "modbus" },

    { ALPROTO_ENIP, "enip" },

    { ALPROTO_DNP3, "dnp3" },

    { ALPROTO_NFS, "nfs" },

    { ALPROTO_NTP, "ntp" },

    { ALPROTO_FTPDATA, "ftp-data" },

    { ALPROTO_TFTP, "tftp" },

    { ALPROTO_IKE, "ike" },

    { ALPROTO_KRB5, "krb5" },

    { ALPROTO_QUIC, "quic" },

    { ALPROTO_DHCP, "dhcp" },

    { ALPROTO_SNMP, "snmp" },

    { ALPROTO_SIP, "sip" },

    { ALPROTO_RFB, "rfb" },

    { ALPROTO_MQTT, "mqtt" },

    { ALPROTO_PGSQL, "pgsql" },

    { ALPROTO_TELNET, "telnet" },

    { ALPROTO_TEMPLATE, "template" },

    { ALPROTO_RDP, "rdp" },

    { ALPROTO_HTTP2, "http2" },

    { ALPROTO_BITTORRENT_DHT, "bittorrent-dht" },

    { ALPROTO_HTTP, "http" },

    { ALPROTO_FAILED, "failed" },

#ifdef UNITTESTS

    { ALPROTO_TEST, "test" },

#endif

};

const char *AppProtoToString(AppProto alproto)

{

    const char *proto_name = NULL;

    switch (alproto) {

        // special cases

        case ALPROTO_HTTP1:

            proto_name = "http";

            break;

        case ALPROTO_HTTP:

            proto_name = "http_any";

            break;

        default:

            if (alproto < ARRAY_SIZE(AppProtoStrings)) {

                BUG_ON(AppProtoStrings[alproto].alproto != alproto);

                proto_name = AppProtoStrings[alproto].str;

            }

    }

    return proto_name;

}

AppProto StringToAppProto(const char *proto_name)

{

    if (proto_name == NULL)

        return ALPROTO_UNKNOWN;

    // We could use a Multi Pattern Matcher

    for (size_t i = 0; i < ARRAY_SIZE(AppProtoStrings); i++) {

        if (strcmp(proto_name, AppProtoStrings[i].str) == 0)

            return AppProtoStrings[i].alproto;

    }

    return ALPROTO_UNKNOWN;

}