#include <config.h>
#define ISC_ONLY_IPV6
#include <sys/types.h>
#include <sys/ioctl.h>
#ifdef HAVE_SYS_SOCKIO_H
#include <sys/sockio.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <isc/interfaceiter.h>
#include <isc/magic.h>
#include <isc/mem.h>
#include <isc/msgs.h>
#include <isc/net.h>
#include <isc/print.h>
#include <isc/result.h>
#include <isc/strerror.h>
#include <isc/string.h>
#include <isc/types.h>
#include <isc/util.h>
#ifdef HAVE_NET_IF6_H
#include <net/if6.h>
#endif
static void
get_addr(unsigned int family, isc_netaddr_t *dst, struct sockaddr *src,
char *ifname)
{
struct sockaddr_in6 *sa6;
#if !defined(ISC_PLATFORM_HAVEIFNAMETOINDEX) || \
!defined(ISC_PLATFORM_HAVESCOPEID)
UNUSED(ifname);
#endif
memset(dst, 0, sizeof(*dst));
dst->family = family;
switch (family) {
case AF_INET:
memcpy(&dst->type.in,
&((struct sockaddr_in *) src)->sin_addr,
sizeof(struct in_addr));
break;
case AF_INET6:
sa6 = (struct sockaddr_in6 *)src;
memcpy(&dst->type.in6, &sa6->sin6_addr,
sizeof(struct in6_addr));
#ifdef ISC_PLATFORM_HAVESCOPEID
if (sa6->sin6_scope_id != 0)
isc_netaddr_setzone(dst, sa6->sin6_scope_id);
else {
if (IN6_IS_ADDR_LINKLOCAL(&sa6->sin6_addr)) {
isc_uint16_t zone16;
memcpy(&zone16, &sa6->sin6_addr.s6_addr[2],
sizeof(zone16));
zone16 = ntohs(zone16);
if (zone16 != 0) {
isc_netaddr_setzone(dst,
(isc_uint32_t)zone16);
dst->type.in6.s6_addr[2] = 0;
dst->type.in6.s6_addr[3] = 0;
#ifdef ISC_PLATFORM_HAVEIFNAMETOINDEX
} else if (ifname != NULL) {
unsigned int zone;
zone = if_nametoindex(ifname);
if (zone != 0) {
isc_netaddr_setzone(dst,
(isc_uint32_t)zone);
}
#endif
}
}
}
#endif
break;
default:
INSIST(0);
break;
}
}
#if HAVE_GETIFADDRS
#include "ifiter_getifaddrs.c"
#elif HAVE_IFLIST_SYSCTL
#include "ifiter_sysctl.c"
#else
#include "ifiter_ioctl.c"
#endif
isc_result_t
isc_interfaceiter_current(isc_interfaceiter_t *iter,
isc_interface_t *ifdata)
{
REQUIRE(iter->result == ISC_R_SUCCESS);
memcpy(ifdata, &iter->current, sizeof(*ifdata));
return (ISC_R_SUCCESS);
}
isc_result_t
isc_interfaceiter_first(isc_interfaceiter_t *iter) {
isc_result_t result;
REQUIRE(VALID_IFITER(iter));
internal_first(iter);
for (;;) {
result = internal_current(iter);
if (result != ISC_R_IGNORE)
break;
result = internal_next(iter);
if (result != ISC_R_SUCCESS)
break;
}
iter->result = result;
return (result);
}
isc_result_t
isc_interfaceiter_next(isc_interfaceiter_t *iter) {
isc_result_t result;
REQUIRE(VALID_IFITER(iter));
REQUIRE(iter->result == ISC_R_SUCCESS);
for (;;) {
result = internal_next(iter);
if (result != ISC_R_SUCCESS)
break;
result = internal_current(iter);
if (result != ISC_R_IGNORE)
break;
}
iter->result = result;
return (result);
}
void
isc_interfaceiter_destroy(isc_interfaceiter_t **iterp)
{
isc_interfaceiter_t *iter;
REQUIRE(iterp != NULL);
iter = *iterp;
REQUIRE(VALID_IFITER(iter));
internal_destroy(iter);
if (iter->buf != NULL)
isc_mem_put(iter->mctx, iter->buf, iter->bufsize);
iter->magic = 0;
isc_mem_put(iter->mctx, iter, sizeof(*iter));
*iterp = NULL;
}