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author | Laurent Bercot <ska-skaware@skarnet.org> | 2020-01-27 15:46:06 +0000 |
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committer | Laurent Bercot <ska-skaware@skarnet.org> | 2020-01-27 15:46:06 +0000 |
commit | b5eba018a0a948d7757448d4cd70fe33cb6b71a0 (patch) | |
tree | 7a00533384303e4802df1e935d50397decb9395b /src/caches/shibari_whitelist_ip4_match.c | |
parent | 7e3beac8435b957a583559d13f7666631719d15f (diff) | |
download | s6-dns-b5eba018a0a948d7757448d4cd70fe33cb6b71a0.tar.xz |
Add shibari, prepare for 2.3.2.0dcache
Diffstat (limited to 'src/caches/shibari_whitelist_ip4_match.c')
-rw-r--r-- | src/caches/shibari_whitelist_ip4_match.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/caches/shibari_whitelist_ip4_match.c b/src/caches/shibari_whitelist_ip4_match.c new file mode 100644 index 0000000..fbf11ac --- /dev/null +++ b/src/caches/shibari_whitelist_ip4_match.c @@ -0,0 +1,15 @@ +/* ISC license. */ + +#include <stdint.h> + +#include <skalibs/uint32.h> + +#include "shibari-internal.h" + +int shibari_whitelist_ip4_match (diuint32 const *s, size_t len, char const *ip) +{ + uint32_t ip4 ; + uint32_unpack_big(ip, &ip4) ; + for (; len-- ; s++) if ((ip4 & s->right) == s->left) return 1 ; + return 0 ; +} |