1*76404edcSAsim Jamshed #include "base.h"
2*76404edcSAsim Jamshed #include "inet_ntop_cache.h"
3*76404edcSAsim Jamshed #include "sys-socket.h"
4*76404edcSAsim Jamshed
5*76404edcSAsim Jamshed #include <sys/types.h>
6*76404edcSAsim Jamshed
7*76404edcSAsim Jamshed #include <string.h>
8*76404edcSAsim Jamshed
inet_ntop_cache_get_ip(server * srv,sock_addr * addr)9*76404edcSAsim Jamshed const char * inet_ntop_cache_get_ip(server *srv, sock_addr *addr) {
10*76404edcSAsim Jamshed #ifdef HAVE_IPV6
11*76404edcSAsim Jamshed size_t ndx = 0, i;
12*76404edcSAsim Jamshed for (i = 0; i < INET_NTOP_CACHE_MAX; i++) {
13*76404edcSAsim Jamshed if (srv->inet_ntop_cache[i].ts != 0 && srv->inet_ntop_cache[i].family == addr->plain.sa_family) {
14*76404edcSAsim Jamshed if (srv->inet_ntop_cache[i].family == AF_INET6 &&
15*76404edcSAsim Jamshed 0 == memcmp(srv->inet_ntop_cache[i].addr.ipv6.s6_addr, addr->ipv6.sin6_addr.s6_addr, 16)) {
16*76404edcSAsim Jamshed /* IPv6 found in cache */
17*76404edcSAsim Jamshed break;
18*76404edcSAsim Jamshed } else if (srv->inet_ntop_cache[i].family == AF_INET &&
19*76404edcSAsim Jamshed srv->inet_ntop_cache[i].addr.ipv4.s_addr == addr->ipv4.sin_addr.s_addr) {
20*76404edcSAsim Jamshed /* IPv4 found in cache */
21*76404edcSAsim Jamshed break;
22*76404edcSAsim Jamshed
23*76404edcSAsim Jamshed }
24*76404edcSAsim Jamshed }
25*76404edcSAsim Jamshed }
26*76404edcSAsim Jamshed
27*76404edcSAsim Jamshed if (i == INET_NTOP_CACHE_MAX) {
28*76404edcSAsim Jamshed /* not found in cache */
29*76404edcSAsim Jamshed
30*76404edcSAsim Jamshed i = ndx;
31*76404edcSAsim Jamshed inet_ntop(addr->plain.sa_family,
32*76404edcSAsim Jamshed addr->plain.sa_family == AF_INET6 ?
33*76404edcSAsim Jamshed (const void *) &(addr->ipv6.sin6_addr) :
34*76404edcSAsim Jamshed (const void *) &(addr->ipv4.sin_addr),
35*76404edcSAsim Jamshed srv->inet_ntop_cache[i].b2, INET6_ADDRSTRLEN);
36*76404edcSAsim Jamshed
37*76404edcSAsim Jamshed srv->inet_ntop_cache[i].ts = srv->cur_ts;
38*76404edcSAsim Jamshed srv->inet_ntop_cache[i].family = addr->plain.sa_family;
39*76404edcSAsim Jamshed
40*76404edcSAsim Jamshed if (srv->inet_ntop_cache[i].family == AF_INET) {
41*76404edcSAsim Jamshed srv->inet_ntop_cache[i].addr.ipv4.s_addr = addr->ipv4.sin_addr.s_addr;
42*76404edcSAsim Jamshed } else if (srv->inet_ntop_cache[i].family == AF_INET6) {
43*76404edcSAsim Jamshed memcpy(srv->inet_ntop_cache[i].addr.ipv6.s6_addr, addr->ipv6.sin6_addr.s6_addr, 16);
44*76404edcSAsim Jamshed }
45*76404edcSAsim Jamshed }
46*76404edcSAsim Jamshed
47*76404edcSAsim Jamshed return srv->inet_ntop_cache[i].b2;
48*76404edcSAsim Jamshed #else
49*76404edcSAsim Jamshed UNUSED(srv);
50*76404edcSAsim Jamshed return inet_ntoa(addr->ipv4.sin_addr);
51*76404edcSAsim Jamshed #endif
52*76404edcSAsim Jamshed }
53