248 lines
6.2 KiB
C++
248 lines
6.2 KiB
C++
/* Geoip
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* Copyright 2007-2014
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* By the AMX Mod X Development Team
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*
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* Geoip is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* Geoip is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Geoip; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* In addition, as a special exception, the author gives permission to
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* link the code of Ham Sandwich with the Half-Life Game Engine ("HL
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* Engine") and Modified Game Libraries ("MODs") developed by Valve,
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* L.L.C ("Valve"). You must obey the GNU General Public License in all
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* respects for all of the code used other than the HL Engine and MODs
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* from Valve. If you modify this file, you may extend this exception
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* to your version of the file, but you are not obligated to do so. If
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* you do not wish to do so, delete this exception statement from your
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* version.
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*/
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#include "geoip_main.h"
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#include "geoip_natives.h"
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#include "geoip_util.h"
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#include <time.h>
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MMDB_s HandleDB;
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ke::Vector<ke::AString> LangList;
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void OnAmxxAttach()
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{
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if (loadDatabase())
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{
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MF_AddNatives(GeoipNatives);
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}
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REG_SVR_COMMAND("geoip", OnGeoipCommand);
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}
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void OnAmxxDetach()
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{
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MMDB_close(&HandleDB);
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LangList.clear();
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}
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void OnGeoipCommand()
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{
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const char *cmd = CMD_ARGV(1);
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if (!strcmp(cmd, "version"))
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{
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if (!HandleDB.filename)
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{
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printf("\n Database is not loaded.\n");
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return;
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}
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const char *meta_dump = "\n"
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" Database metadata\n"
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" Node count: %i\n"
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" Record size: %i bits\n"
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" IP version: IPv%i\n"
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" Binary format: %i.%i\n"
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" Build epoch: %llu (%s)\n"
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" Type: %s\n"
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" Languages: ";
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char date[40];
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strftime(date, sizeof(date), "%Y-%m-%d %H:%M:%S UTC", gmtime((const time_t *)&HandleDB.metadata.build_epoch));
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fprintf(stdout, meta_dump,
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HandleDB.metadata.node_count,
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HandleDB.metadata.record_size,
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HandleDB.metadata.ip_version,
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HandleDB.metadata.binary_format_major_version,
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HandleDB.metadata.binary_format_minor_version,
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HandleDB.metadata.build_epoch,
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date,
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HandleDB.metadata.database_type);
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for (size_t i = 0; i < HandleDB.metadata.languages.count; ++i)
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{
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fprintf(stdout, "%s", HandleDB.metadata.languages.names[i]);
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if (i <HandleDB.metadata.languages.count - 1)
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{
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fprintf(stdout, " ");
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}
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}
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fprintf(stdout, "\n");
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fprintf(stdout, " Description:\n");
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for (size_t i = 0; i < HandleDB.metadata.description.count; ++i)
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{
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fprintf(stdout, " %s: %s\n",
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HandleDB.metadata.description.descriptions[i]->language,
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HandleDB.metadata.description.descriptions[i]->description);
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}
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fprintf(stdout, "\n");
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}
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else if (!strcmp(cmd, "dump"))
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{
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if (!HandleDB.filename)
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{
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printf("\n Database is not loaded.\n\n");
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return;
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}
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int num_args = CMD_ARGC();
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if (num_args < 3)
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{
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printf("\n An IP address must be provided.\n\n");
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return;
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}
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char *ip = stripPort((char *)CMD_ARGV(2));
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int gai_error = 0;
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int mmdb_error = 0;
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MMDB_lookup_result_s result = MMDB_lookup_string(&HandleDB, ip, &gai_error, &mmdb_error);
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if (gai_error != 0 || mmdb_error != MMDB_SUCCESS || !result.found_entry)
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{
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printf("\n Either look up failed or no found result.\n\n");
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return;
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}
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MMDB_entry_data_list_s *entry_data_list = NULL;
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int status = -1;
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if ((status = MMDB_get_entry_data_list(&result.entry, &entry_data_list)) != MMDB_SUCCESS || entry_data_list == NULL)
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{
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printf("\n Could not retrieve data list - %s.\n\n", MMDB_strerror(status));
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return;
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}
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const char *file = NULL;
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FILE *fp = NULL;
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if (num_args > 3)
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{
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file = CMD_ARGV(3);
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fp = fopen(MF_BuildPathname("%s", file), "w");
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}
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if (!fp)
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{
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file = NULL;
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fp = stdout;
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}
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fprintf(fp, "\n");
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MMDB_dump_entry_data_list(fp, entry_data_list, 2);
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fprintf(fp, "\n");
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if (file)
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{
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fclose(fp);
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}
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MMDB_free_entry_data_list(entry_data_list);
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}
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else
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{
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printf("\n");
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printf(" Usage: geoip <command> [argument]\n");
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printf(" Commands:\n");
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printf(" version - display geoip database metadata\n");
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printf(" dump <ip> [output file] - dump all data from an IP address formatted in a JSON-ish fashion.\n");
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printf(" An output file is mod-based and if not provided, it will print in the console.\n");
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printf("\n");
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}
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}
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bool loadDatabase()
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{
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if (HandleDB.filename) // Already loaded.
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{
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return true;
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}
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const char *databases[] =
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{
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"City",
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"Country" // Is the default shipped database with AMXX.
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};
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const char *modName = MF_GetModname();
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const char *dataDir = MF_GetLocalInfo("amxx_datadir", "addons/amxmodx/data");
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char file[255];
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int status = -1;
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for (size_t i = 0; i < ARRAYSIZE(databases); ++i)
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{
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// MF_BuildPathname not used because backslash
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// makes CreateFileMapping failing under windows.
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snprintf(file, sizeof(file)-1, "%s/%s/GeoLite2-%s.mmdb", modName, dataDir, databases[i]);
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status = MMDB_open(file, MMDB_MODE_MMAP, &HandleDB);
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if (status == MMDB_SUCCESS)
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{
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break;
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}
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else if (status != MMDB_FILE_OPEN_ERROR)
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{
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MF_Log("Could not open %s - %s", file, MMDB_strerror(status));
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if (status == MMDB_IO_ERROR)
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{
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MF_Log(" IO error: %s", strerror(errno));
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}
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}
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}
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if (status != MMDB_SUCCESS)
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{
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MF_Log("Could not find GeoIP2 databases. Disabled natives.");
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return false;
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}
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MF_Log("Database info: %s %i.%i",
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HandleDB.metadata.description.descriptions[0]->description,
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HandleDB.metadata.binary_format_major_version,
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HandleDB.metadata.binary_format_minor_version);
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// Retrieve supported languages.
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for (size_t i = 0; i < HandleDB.metadata.languages.count; i++)
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{
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LangList.append(ke::AString(HandleDB.metadata.languages.names[i]));
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}
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return true;
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}
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