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/* ISC license. */
#include <stdint.h>
#include <string.h>
#include <skalibs/cdb.h>
#include <skalibs/ip46.h>
#include "shibari-cache-internal.h"
static inline int check (char const *key, size_t keylen)
{
cdb_data data ;
return cdb_find(&g->confdb, &data, key, keylen) ;
}
int clientaccess_ip4 (char const *ip)
{
int r ;
char key[9] = "A4:" ;
uint8_t i = 33 ;
memcpy(key+4, ip, 4) ;
key[8] = 0 ;
while (i--)
{
key[3] = i ;
key[4 + (i>>3)] &= ~(1U << (7 - (i & 7))) ;
r = check(key, 8) ;
if (r) return r ;
}
return 0 ;
}
#ifdef SKALIBS_IPV6_ENABLED
int clientaccess_ip6 (char const *ip)
{
int r ;
char key[21] = "A6:" ;
uint8_t i = 129 ;
memcpy(key+4, ip, 16) ;
key[20] = 0 ;
while (i--)
{
key[3] = i ;
key[4 + (i>>3)] &= ~(1U << (7 - (i & 7))) ;
r = check(key, 20) ;
if (r) return r ;
}
return 0 ;
}
#endif
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