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Geoip: Add geoip_region_code() native.

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This commit is contained in:
Arkshine 2014-07-30 22:19:23 +02:00
parent 95bc1703a6
commit b61ed9fa3e
2 changed files with 56 additions and 2 deletions
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44
dlls/geoip/geoip_amxx.cpp
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@ -32,7 +32,9 @@ char *stripPort(char *ip_port)
const char *lookupByIp(const char *ip, const char **path, int *length = NULL)
{
static char buffer[64];
int gai_error = 0, mmdb_error = 0;
MMDB_lookup_result_s lookup = MMDB_lookup_string(&HandleDB, ip, &gai_error, &mmdb_error);
if (gai_error != 0 || MMDB_SUCCESS != mmdb_error || !lookup.found_entry)
@ -53,7 +55,10 @@ const char *lookupByIp(const char *ip, const char **path, int *length = NULL)
*length = entry_data.data_size;
}
return entry_data.utf8_string;
memcpy(buffer, entry_data.utf8_string, entry_data.data_size);
buffer[entry_data.data_size] = '\0';
return buffer;
}
// native geoip_code2(const ip[], ccode[3]);
@ -167,6 +172,40 @@ static cell AMX_NATIVE_CALL amx_geoip_city(AMX *amx, cell *params)
return MF_SetAmxString(amx, params[2], city ? city : "", length >= params[3] ? params[3] : length); // TODO: make this utf8 safe.
}
// native geoip_region_code(const ip[], result[], len);
static cell AMX_NATIVE_CALL amx_geoip_region_code(AMX *amx, cell *params)
{
int length;
int finalLength = 0;
char code[12]; // This should be largely enough to hold xx-yyyy and more if needed.
char *ip = MF_GetAmxString(amx, params[1], 0, &length);
const char *pathCountry[] = { "country", "iso_code", NULL };
const char *countryCode = lookupByIp(stripPort(ip), pathCountry, &length);
if (countryCode)
{
finalLength = length + 1; // + 1 for dash.
snprintf(code, finalLength + 1, "%s-", countryCode); // + EOS.
const char *pathRegion[] = { "subdivisions", "0", "iso_code", NULL }; // First result.
const char *regionCode = lookupByIp(ip, pathRegion, &length);
if (regionCode)
{
finalLength += length;
strncat(code, regionCode, length);
}
else
{
finalLength = 0;
}
}
return MF_SetAmxString(amx, params[2], finalLength ? code : "", finalLength >= params[3] ? params[3] : finalLength);
}
void OnAmxxAttach()
{
@ -234,6 +273,9 @@ AMX_NATIVE_INFO geoip_natives[] =
{ "geoip_country", amx_geoip_country },
{ "geoip_city" , amx_geoip_city },
{ "geoip_region_code", amx_geoip_region_code },
{ "geoip_region_name", amx_geoip_region_name },
{ NULL, NULL },
};

14
plugins/include/geoip.inc
View File

@ -97,4 +97,16 @@ native geoip_country(const ip[], result[], len=45);
*
* @return The result length on successful lookup, 0 otherwise.
*/
native geoip_city(const ip[], result[], len);
native geoip_city(const ip[], result[], len);
/**
* Look up the region/state code for the given IP address.
* e.g. "US-OH", "DE-HH", IT-82, "FR-U", etc.
*
* @param ip The IP address to look up.
* @param result The result of the geoip look up.
* @param len The maximum length of the result buffer.
*
* @return The result length on successful lookup, 0 otherwise.
*/
native geoip_region_code(const ip[], result[], len);