diff options
Diffstat (limited to 'src/caches/shibari_whitelist_ip6_match.c')
-rw-r--r-- | src/caches/shibari_whitelist_ip6_match.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/caches/shibari_whitelist_ip6_match.c b/src/caches/shibari_whitelist_ip6_match.c new file mode 100644 index 0000000..c728081 --- /dev/null +++ b/src/caches/shibari_whitelist_ip6_match.c @@ -0,0 +1,16 @@ +/* ISC license. */ + +#include <stdint.h> + +#include <skalibs/uint64.h> + +#include "shibari-internal.h" + +int shibari_whitelist_ip6_match (shibari_ip6_t const *s, size_t len, char const *ip) +{ + uint64_t addr0, addr1 ; + uint64_unpack_big(ip, &addr0) ; + uint64_unpack_big(ip + 8, &addr1) ; + for (; len-- ; s++) if ((addr0 & s->mask0) == s->addr0 && (addr1 & s->mask1) == s->addr1) return 1 ; + return 0 ; +} |