char *data_from_dump(MMDB_entry_data_list_s *entry_data_list)
{
char temp_name[] = "/tmp/ocaml-maxminddb-XXXXXX";
mkstemp(temp_name);
FILE *f = fopen(temp_name, "r+wb");
if (!f) {
caml_failwith("Couldn't open tempfile needed for dumping database");
}
MMDB_dump_entry_data_list(f, entry_data_list, 2);
fflush(f);
char *pulled_from_db = pull_all_data(f);
fclose(f);
remove(temp_name);
return pulled_from_db;
}
void OnGeoipCommand()
{
const auto cmd = CMD_ARGV(1);
if (!strcmp(cmd, "version"))
{
if (!HandleDB.filename)
{
MF_PrintSrvConsole("\n Database is not loaded.\n");
return;
}
const auto meta_dump = "\n"
" Database metadata\n"
" Node count: %i\n"
" Record size: %i bits\n"
" IP version: IPv%i\n"
" Binary format: %i.%i\n"
" Build epoch: %llu (%s)\n"
" Type: %s\n"
" Languages: ";
char date[40];
strftime(date, sizeof date, "%Y-%m-%d %H:%M:%S UTC", gmtime(reinterpret_cast<const time_t *>(&HandleDB.metadata.build_epoch)));
fprintf(stdout, meta_dump,
HandleDB.metadata.node_count,
HandleDB.metadata.record_size,
HandleDB.metadata.ip_version,
HandleDB.metadata.binary_format_major_version,
HandleDB.metadata.binary_format_minor_version,
HandleDB.metadata.build_epoch,
date,
HandleDB.metadata.database_type);
for (size_t i = 0; i < HandleDB.metadata.languages.count; ++i)
{
fprintf(stdout, "%s", HandleDB.metadata.languages.names[i]);
if (i < HandleDB.metadata.languages.count - 1)
{
fprintf(stdout, " ");
}
}
fprintf(stdout, "\n");
fprintf(stdout, " Description:\n");
for (size_t i = 0; i < HandleDB.metadata.description.count; ++i)
{
fprintf(stdout, " %s: %s\n",
HandleDB.metadata.description.descriptions[i]->language,
HandleDB.metadata.description.descriptions[i]->description);
}
fprintf(stdout, "\n");
}
else if (!strcmp(cmd, "dump"))
{
if (!HandleDB.filename)
{
MF_PrintSrvConsole("\n Database is not loaded.\n\n");
return;
}
const auto num_args = CMD_ARGC();
if (num_args < 3)
{
MF_PrintSrvConsole("\n An IP address must be provided.\n\n");
return;
}
const auto ip = stripPort(const_cast<char *>(CMD_ARGV(2)));
auto gai_error = 0;
auto mmdb_error = 0;
auto result = MMDB_lookup_string(&HandleDB, ip, &gai_error, &mmdb_error);
if (gai_error != 0 || mmdb_error != MMDB_SUCCESS || !result.found_entry)
{
MF_PrintSrvConsole("\n Either look up failed or no found result.\n\n");
return;
}
MMDB_entry_data_list_s *entry_data_list = nullptr;
int status;
if ((status = MMDB_get_entry_data_list(&result.entry, &entry_data_list)) != MMDB_SUCCESS || entry_data_list == nullptr)
{
MF_PrintSrvConsole("\n Could not retrieve data list - %s.\n\n", MMDB_strerror(status));
return;
}
const char *file = nullptr;
FILE *fp = nullptr;
if (num_args > 3)
{
file = CMD_ARGV(3);
fp = fopen(MF_BuildPathname("%s", file), "w");
}
if (!fp)
{
file = nullptr;
fp = stdout;
}
fprintf(fp, "\n");
MMDB_dump_entry_data_list(fp, entry_data_list, 2);
fprintf(fp, "\n");
if (file)
{
fclose(fp);
}
MMDB_free_entry_data_list(entry_data_list);
}
else if (!strcmp(cmd, "reload"))
{
const auto isDatabaseLoaded = HandleDB.filename != nullptr;
if (isDatabaseLoaded)
{
MMDB_close(&HandleDB);
}
if (loadDatabase() && !NativesRegistered)
{
MF_AddNatives(GeoipNatives);
NativesRegistered = true;
}
}
else
{
MF_PrintSrvConsole("\n");
MF_PrintSrvConsole(" Usage: geoip <command> [argument]\n");
MF_PrintSrvConsole(" Commands:\n");
MF_PrintSrvConsole(" version - display geoip database metadata\n");
MF_PrintSrvConsole(" reload - reload geoip database\n");
MF_PrintSrvConsole(" dump <ip> [output file] - dump all data from an IP address formatted in a JSON-ish fashion.\n");
MF_PrintSrvConsole(" An output file is mod-based and if not provided, it will print in the console.\n");
MF_PrintSrvConsole("\n");
}
}
