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#include <ifaddrs.h>
#include <net/if.h>
#include <netinet/in.h>
#include <sys/ioctl.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <sys/types.h>
#ifndef SIOCGIFCONF /* whatever works */
#include <sys/sockio.h>
#endif
#include "byte.h"
#include "ip.h"
#include "stralloc.h"
#include "hassalen.h"
#include "ipalloc.h"
#include "ipme.h"
/** @file ipme.c
@brief ipme_is4, ipme_is6, ipme_is46, ipme_init
*/
static int ipmeok = 0;
ipalloc ipme = {0};
int ipme_is4(struct ip4_address *ip)
{
int i;
if (ipme_init() != 1) return -1;
for (i = 0; i < ipme.len; ++i)
if (ipme.ix[i].af == AF_INET && byte_equal(&ipme.ix[i].addr, 4, ip)) return 1;
return 0;
}
int ipme_is6(struct ip6_address *ip)
{
int i;
if (ipme_init() != 1) return -1;
for (i = 0; i < ipme.len; ++i)
if (ipme.ix[i].af == AF_INET6 && byte_equal(&ipme.ix[i].addr, 16, ip)) return 1;
return 0;
}
int ipme_is(struct ip_mx *mxip)
{
switch (mxip->af) {
case AF_INET: return ipme_is4(&mxip->addr.ip4);
case AF_INET6: return ipme_is6(&mxip->addr.ip6);
}
return 0;
}
/* @brief ipme_init uses now getifaddrs() instead of ioctl calls */
int ipme_init()
{
struct ifaddrs *ifap, *ifa;
struct sockaddr_in *sin;
struct sockaddr_in6 *sin6;
struct ip_mx ix;
if (ipmeok) return 1;
if (!ipalloc_readyplus(&ipme, 0)) return 0;
ipme.len = 0;
ix.pref = 0;
if (getifaddrs(&ifap)) return 0;
for (ifa = ifap; ifa; ifa = ifa->ifa_next)
if (ifa->ifa_addr) {
if (ifa->ifa_addr->sa_family == AF_INET) {
sin = (struct sockaddr_in *)ifa->ifa_addr;
byte_copy(&ix.addr.ip4, 4, &sin->sin_addr);
ix.af = AF_INET;
if (!ipalloc_append(&ipme, &ix)) return 0;
}
if (ifa->ifa_addr->sa_family == AF_INET6) {
sin6 = (struct sockaddr_in6 *)ifa->ifa_addr;
byte_copy(&ix.addr.ip6, 16, &sin6->sin6_addr);
ix.af = AF_INET6;
if (!ipalloc_append(&ipme, &ix)) return 0;
}
}
freeifaddrs(ifap);
ipmeok = 1;
return 1;
}
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