void
isc_interfaceiter_destroy(isc_interfaceiter_t **iterp) {
isc_interfaceiter_t *iter;
REQUIRE(iterp != NULL);
iter = *iterp;
REQUIRE(VALID_IFITER(iter));
REQUIRE(use_GAA_determined);
if (use_GAA) {
REQUIRE(NULL == iter->buf4);
REQUIRE(NULL == iter->buf4);
if (iter->ipaa != NULL)
isc_mem_put(iter->mctx, iter->ipaa, iter->ipaasize);
} else {
REQUIRE(NULL == iter->ipaa);
if (iter->buf4 != NULL)
isc_mem_put(iter->mctx, iter->buf4, iter->buf4size);
if (iter->buf6 != NULL)
isc_mem_put(iter->mctx, iter->buf6, iter->buf6size);
}
iter->magic = 0;
isc_mem_put(iter->mctx, iter, sizeof(*iter));
*iterp = NULL;
}
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_NOMORE) {
result = internal_next6(iter);
if (result != ISC_R_SUCCESS)
break;
result = internal_current6(iter);
if (result != ISC_R_IGNORE)
break;
} else if (result != ISC_R_SUCCESS)
break;
result = internal_current(iter);
if (result != ISC_R_IGNORE)
break;
}
iter->result = result;
return (result);
}
static isc_result_t
internal_current6(isc_interfaceiter_t *iter) {
BOOL ifNamed = FALSE;
int i;
REQUIRE(VALID_IFITER(iter));
REQUIRE(iter->pos6 >= 0);
REQUIRE(iter->buf6 != 0);
memset(&iter->current, 0, sizeof(iter->current));
iter->current.af = AF_INET6;
get_addr(AF_INET6, &iter->current.address,
iter->buf6->Address[iter->pos6].lpSockaddr);
/*
* Get interface flags.
*/
iter->current.flags = INTERFACE_F_UP;
if (ifNamed == FALSE)
sprintf(iter->current.name,
"TCP/IPv6 Interface %d", iter->pos6 + 1);
for (i = 0; i< 16; i++)
iter->current.netmask.type.in6.s6_addr[i] = 0xff;
iter->current.netmask.family = AF_INET6;
return (ISC_R_SUCCESS);
}
static isc_result_t
internal_current(isc_interfaceiter_t *iter) {
BOOL ifNamed = FALSE;
unsigned long flags;
REQUIRE(VALID_IFITER(iter));
REQUIRE(iter->numIF >= 0);
memset(&iter->current, 0, sizeof(iter->current));
iter->current.af = AF_INET;
get_addr(AF_INET, &iter->current.address,
(struct sockaddr *)&(iter->IFData.iiAddress));
/*
* Get interface flags.
*/
iter->current.flags = 0;
flags = iter->IFData.iiFlags;
if ((flags & IFF_UP) != 0)
iter->current.flags |= INTERFACE_F_UP;
if ((flags & IFF_POINTTOPOINT) != 0) {
iter->current.flags |= INTERFACE_F_POINTTOPOINT;
sprintf(iter->current.name, "PPP Interface %d", iter->numIF);
ifNamed = TRUE;
}
if ((flags & IFF_LOOPBACK) != 0) {
iter->current.flags |= INTERFACE_F_LOOPBACK;
sprintf(iter->current.name, "Loopback Interface %d",
iter->numIF);
ifNamed = TRUE;
}
/*
* If the interface is point-to-point, get the destination address.
*/
if ((iter->current.flags & INTERFACE_F_POINTTOPOINT) != 0) {
get_addr(AF_INET, &iter->current.dstaddress,
(struct sockaddr *)&(iter->IFData.iiBroadcastAddress));
}
if (ifNamed == FALSE)
sprintf(iter->current.name,
"TCP/IP Interface %d", iter->numIF);
/*
* Get the network mask.
*/
get_addr(AF_INET, &iter->current.netmask,
(struct sockaddr *)&(iter->IFData.iiNetmask));
return (ISC_R_SUCCESS);
}
isc_result_t
isc_interfaceiter_first(isc_interfaceiter_t *iter) {
REQUIRE(VALID_IFITER(iter));
if (iter->buf6 != NULL)
iter->pos6 = iter->buf6->iAddressCount;
iter->result = ISC_R_SUCCESS;
return (isc_interfaceiter_next(iter));
}
static isc_result_t
internal_current(isc_interfaceiter_t *iter) {
struct ifaddrs *ifa;
int family;
unsigned int namelen;
REQUIRE(VALID_IFITER(iter));
ifa = iter->pos;
INSIST(ifa != NULL);
INSIST(ifa->ifa_name != NULL);
if (ifa->ifa_addr == NULL)
return (ISC_R_IGNORE);
family = ifa->ifa_addr->sa_family;
if (family != AF_INET && family != AF_INET6)
return (ISC_R_IGNORE);
memset(&iter->current, 0, sizeof(iter->current));
namelen = strlen(ifa->ifa_name);
if (namelen > sizeof(iter->current.name) - 1)
namelen = sizeof(iter->current.name) - 1;
memset(iter->current.name, 0, sizeof(iter->current.name));
memcpy(iter->current.name, ifa->ifa_name, namelen);
iter->current.flags = 0;
if ((ifa->ifa_flags & IFF_UP) != 0)
iter->current.flags |= INTERFACE_F_UP;
if ((ifa->ifa_flags & IFF_POINTOPOINT) != 0)
iter->current.flags |= INTERFACE_F_POINTTOPOINT;
if ((ifa->ifa_flags & IFF_LOOPBACK) != 0)
iter->current.flags |= INTERFACE_F_LOOPBACK;
iter->current.af = family;
get_addr(family, &iter->current.address, ifa->ifa_addr, ifa->ifa_name);
if (ifa->ifa_netmask != NULL)
get_addr(family, &iter->current.netmask, ifa->ifa_netmask,
ifa->ifa_name);
if (ifa->ifa_dstaddr != NULL &&
(iter->current.flags & IFF_POINTOPOINT) != 0)
get_addr(family, &iter->current.dstaddress, ifa->ifa_dstaddr,
ifa->ifa_name);
return (ISC_R_SUCCESS);
}
void
isc_interfaceiter_destroy(isc_interfaceiter_t **iterp) {
isc_interfaceiter_t *iter;
REQUIRE(iterp != NULL);
iter = *iterp;
REQUIRE(VALID_IFITER(iter));
isc_mem_put(iter->mctx, iter->buf, iter->bufsize);
iter->magic = 0;
isc_mem_put(iter->mctx, iter, sizeof(*iter));
*iterp = NULL;
}
isc_result_t
isc_interfaceiter_first(isc_interfaceiter_t *iter) {
isc_result_t result;
REQUIRE(VALID_IFITER(iter));
iter->numIF = 0;
for (;;) {
result = internal_next(iter);
if (result != ISC_R_SUCCESS)
break;
result = internal_current(iter, AF_INET);
if (result != ISC_R_IGNORE)
break;
}
iter->result = result;
return (result);
}
isc_result_t
isc_interfaceiter_first(isc_interfaceiter_t *iter) {
REQUIRE(VALID_IFITER(iter));
/*
* SIO_ADDRESS_LIST_QUERY (used to query IPv6 addresses)
* intentionally omits localhost addresses ::1 and ::fe80 in
* some cases. ntpd depends on enumerating ::1 to listen on
* it, and ntpq and ntpdc default to "localhost" as the target,
* so they will attempt to talk to [::1]:123 and fail. This
* means we need to synthesize ::1, which we will do first,
* hence + 1.
*/
if (iter->buf6 != NULL)
iter->pos6 = iter->buf6->iAddressCount + 1;
iter->result = ISC_R_SUCCESS;
return (isc_interfaceiter_next(iter));
}
isc_result_t
isc_interfaceiter_first(isc_interfaceiter_t *iter) {
REQUIRE(VALID_IFITER(iter));
REQUIRE(use_GAA_determined);
/*
* SIO_ADDRESS_LIST_QUERY (used to query IPv6 addresses)
* intentionally omits localhost addresses [::1] and [::fe80] in
* some cases. ntpd depends on enumerating [::1] to listen on
* it, and ntpq and ntpdc default to "localhost" as the target,
* so they will attempt to talk to [::1]:123 and fail. This
* means we need to synthesize ::1, which we will do first,
* hence iAddressCount + 1. internal_next6() will decrement
* it before the first use as an index, and internal_current6()
* will treat pos6 == iAddressCount as a sign to synthesize
* [::1] if needed.
*/
if (!use_GAA && iter->buf6 != NULL)
iter->pos6 = iter->buf6->iAddressCount + 1;
iter->result = ISC_R_SUCCESS;
return (isc_interfaceiter_next(iter));
}
isc_result_t
isc_interfaceiter_next(isc_interfaceiter_t *iter) {
isc_result_t result;
REQUIRE(VALID_IFITER(iter));
REQUIRE(iter->result == ISC_R_SUCCESS);
REQUIRE(use_GAA_determined);
if (use_GAA) {
do {
result = internal_next_GAA(iter);
if (ISC_R_NOMORE == result)
goto set_result;
result = internal_current_GAA(iter);
} while (ISC_R_IGNORE == result);
goto set_result;
}
for (;;) {
result = internal_next(iter);
if (result == ISC_R_NOMORE) {
result = internal_next6(iter);
if (result != ISC_R_SUCCESS)
break;
result = internal_current6(iter);
if (result != ISC_R_IGNORE)
break;
} else if (result != ISC_R_SUCCESS)
break;
result = internal_current(iter);
if (result != ISC_R_IGNORE)
break;
}
set_result:
iter->result = result;
return (result);
}
static isc_result_t
internal_current(isc_interfaceiter_t *iter) {
struct ifa_msghdr *ifam, *ifam_end;
REQUIRE(VALID_IFITER(iter));
REQUIRE (iter->pos < (unsigned int) iter->bufused);
ifam = (struct ifa_msghdr *) ((char *) iter->buf + iter->pos);
ifam_end = (struct ifa_msghdr *) ((char *) iter->buf + iter->bufused);
// Skip wrong RTM version headers
if (ifam->ifam_version != RTM_VERSION)
return (ISC_R_IGNORE);
if (ifam->ifam_type == RTM_IFINFO) {
struct if_msghdr *ifm = (struct if_msghdr *) ifam;
struct sockaddr_dl *sdl = (struct sockaddr_dl *) (ifm + 1);
unsigned int namelen;
memset(&iter->current, 0, sizeof(iter->current));
iter->current.ifindex = sdl->sdl_index;
namelen = sdl->sdl_nlen;
if (namelen > sizeof(iter->current.name) - 1)
namelen = sizeof(iter->current.name) - 1;
memset(iter->current.name, 0, sizeof(iter->current.name));
memcpy(iter->current.name, sdl->sdl_data, namelen);
iter->current.flags = 0;
if ((ifam->ifam_flags & IFF_UP) != 0)
iter->current.flags |= INTERFACE_F_UP;
if ((ifam->ifam_flags & IFF_POINTOPOINT) != 0)
iter->current.flags |= INTERFACE_F_POINTTOPOINT;
if ((ifam->ifam_flags & IFF_LOOPBACK) != 0)
iter->current.flags |= INTERFACE_F_LOOPBACK;
if ((ifam->ifam_flags & IFF_BROADCAST) != 0)
iter->current.flags |= INTERFACE_F_BROADCAST;
#ifdef IFF_MULTICAST
if ((ifam->ifam_flags & IFF_MULTICAST) != 0)
iter->current.flags |= INTERFACE_F_MULTICAST;
#endif
/*
* This is not an interface address.
* Force another iteration.
*/
return (ISC_R_IGNORE);
} else if (ifam->ifam_type == RTM_NEWADDR) {
int i;
int family;
struct sockaddr *mask_sa = NULL;
struct sockaddr *addr_sa = NULL;
struct sockaddr *dst_sa = NULL;
struct sockaddr *sa = (struct sockaddr *)(ifam + 1);
family = sa->sa_family;
for (i = 0; i < RTAX_MAX; i++)
{
if ((ifam->ifam_addrs & (1 << i)) == 0)
continue;
INSIST(sa < (struct sockaddr *) ifam_end);
switch (i) {
case RTAX_NETMASK: /* Netmask */
mask_sa = sa;
break;
case RTAX_IFA: /* Interface address */
addr_sa = sa;
break;
case RTAX_BRD: /* Broadcast or destination address */
dst_sa = sa;
break;
}
#ifdef ISC_PLATFORM_HAVESALEN
sa = (struct sockaddr *)((char*)(sa)
+ ROUNDUP(sa->sa_len));
#else
/* XXX untested. */
sa = (struct sockaddr *)((char*)(sa)
+ ROUNDUP(sizeof(struct sockaddr)));
#endif
}
if (addr_sa == NULL)
return (ISC_R_IGNORE);
family = addr_sa->sa_family;
if (family != AF_INET && family != AF_INET6)
return (ISC_R_IGNORE);
iter->current.af = family;
get_addr(family, &iter->current.address, addr_sa,
iter->current.name);
if (mask_sa != NULL)
get_addr(family, &iter->current.netmask, mask_sa,
iter->current.name);
if (dst_sa != NULL &&
(iter->current.flags & INTERFACE_F_POINTTOPOINT) != 0)
get_addr(family, &iter->current.dstaddress, dst_sa,
iter->current.name);
if (dst_sa != NULL &&
(iter->current.flags & INTERFACE_F_BROADCAST) != 0)
get_addr(family, &iter->current.broadcast, dst_sa,
iter->current.name);
return (ISC_R_SUCCESS);
} else {
printf("warning: unexpected interface list message type\n");
return (ISC_R_IGNORE);
}
}
static isc_result_t
internal_current6(isc_interfaceiter_t *iter) {
struct LIFREQ *ifrp;
struct LIFREQ lifreq;
int family;
char strbuf[ISC_STRERRORSIZE];
int fd;
REQUIRE(VALID_IFITER(iter));
if (iter->result6 != ISC_R_SUCCESS)
return (iter->result6);
REQUIRE(iter->pos6 < (unsigned int) iter->lifc.lifc_len);
ifrp = (struct LIFREQ *)((char *) iter->lifc.lifc_req + iter->pos6);
memset(&lifreq, 0, sizeof(lifreq));
memmove(&lifreq, ifrp, sizeof(lifreq));
family = lifreq.lifr_addr.ss_family;
#ifdef ISC_PLATFORM_HAVEIPV6
if (family != AF_INET && family != AF_INET6)
#else
if (family != AF_INET)
#endif
return (ISC_R_IGNORE);
memset(&iter->current, 0, sizeof(iter->current));
iter->current.af = family;
INSIST(sizeof(lifreq.lifr_name) <= sizeof(iter->current.name));
memset(iter->current.name, 0, sizeof(iter->current.name));
memmove(iter->current.name, lifreq.lifr_name, sizeof(lifreq.lifr_name));
get_addr(family, &iter->current.address,
(struct sockaddr *)&lifreq.lifr_addr, lifreq.lifr_name);
/*
* If the interface does not have a address ignore it.
*/
switch (family) {
case AF_INET:
if (iter->current.address.type.in.s_addr == htonl(INADDR_ANY))
return (ISC_R_IGNORE);
break;
case AF_INET6:
if (memcmp(&iter->current.address.type.in6, &in6addr_any,
sizeof(in6addr_any)) == 0)
return (ISC_R_IGNORE);
break;
}
/*
* Get interface flags.
*/
iter->current.flags = 0;
if (family == AF_INET6)
fd = iter->socket6;
else
fd = iter->socket;
/*
* Ignore the HP/UX warning about "integer overflow during
* conversion. It comes from its own macro definition,
* and is really hard to shut up.
*/
if (ioctl(fd, SIOCGLIFFLAGS, (char *) &lifreq) < 0) {
isc__strerror(errno, strbuf, sizeof(strbuf));
UNEXPECTED_ERROR(__FILE__, __LINE__,
"%s: getting interface flags: %s",
lifreq.lifr_name, strbuf);
return (ISC_R_IGNORE);
}
if ((lifreq.lifr_flags & IFF_UP) != 0)
iter->current.flags |= INTERFACE_F_UP;
#ifdef IFF_POINTOPOINT
if ((lifreq.lifr_flags & IFF_POINTOPOINT) != 0)
iter->current.flags |= INTERFACE_F_POINTTOPOINT;
#endif
if ((lifreq.lifr_flags & IFF_LOOPBACK) != 0)
iter->current.flags |= INTERFACE_F_LOOPBACK;
#ifdef IFF_POINTOPOINT
/*
* If the interface is point-to-point, get the destination address.
*/
if ((iter->current.flags & INTERFACE_F_POINTTOPOINT) != 0) {
/*
* Ignore the HP/UX warning about "integer overflow during
* conversion. It comes from its own macro definition,
* and is really hard to shut up.
*/
if (ioctl(fd, SIOCGLIFDSTADDR, (char *)&lifreq)
< 0) {
isc__strerror(errno, strbuf, sizeof(strbuf));
UNEXPECTED_ERROR(__FILE__, __LINE__,
isc_msgcat_get(isc_msgcat,
ISC_MSGSET_IFITERIOCTL,
ISC_MSG_GETDESTADDR,
"%s: getting "
"destination address: %s"),
lifreq.lifr_name, strbuf);
return (ISC_R_IGNORE);
}
get_addr(family, &iter->current.dstaddress,
(struct sockaddr *)&lifreq.lifr_dstaddr,
lifreq.lifr_name);
}
#endif
/*
* Get the network mask. Netmask already zeroed.
*/
memset(&lifreq, 0, sizeof(lifreq));
memmove(&lifreq, ifrp, sizeof(lifreq));
#ifdef lifr_addrlen
/*
* Special case: if the system provides lifr_addrlen member, the
* netmask of an IPv6 address can be derived from the length, since
* an IPv6 address always has a contiguous mask.
*/
if (family == AF_INET6) {
int i, bits;
iter->current.netmask.family = family;
for (i = 0; i < lifreq.lifr_addrlen; i += 8) {
bits = lifreq.lifr_addrlen - i;
bits = (bits < 8) ? (8 - bits) : 0;
iter->current.netmask.type.in6.s6_addr[i / 8] =
(~0 << bits) & 0xff;
}
return (ISC_R_SUCCESS);
}
#endif
/*
* Ignore the HP/UX warning about "integer overflow during
* conversion. It comes from its own macro definition,
* and is really hard to shut up.
*/
if (ioctl(fd, SIOCGLIFNETMASK, (char *)&lifreq) < 0) {
isc__strerror(errno, strbuf, sizeof(strbuf));
UNEXPECTED_ERROR(__FILE__, __LINE__,
isc_msgcat_get(isc_msgcat,
ISC_MSGSET_IFITERIOCTL,
ISC_MSG_GETNETMASK,
"%s: getting netmask: %s"),
lifreq.lifr_name, strbuf);
return (ISC_R_IGNORE);
}
get_addr(family, &iter->current.netmask,
(struct sockaddr *)&lifreq.lifr_addr, lifreq.lifr_name);
return (ISC_R_SUCCESS);
}
static isc_result_t
internal_current4(isc_interfaceiter_t *iter) {
struct ifreq *ifrp;
struct ifreq ifreq;
int family;
char strbuf[ISC_STRERRORSIZE];
#if !defined(ISC_PLATFORM_HAVEIF_LADDRREQ) && defined(SIOCGLIFADDR)
struct lifreq lifreq;
#else
char sabuf[256];
#endif
int i, bits, prefixlen;
REQUIRE(VALID_IFITER(iter));
if (iter->ifc.ifc_len == 0 ||
iter->pos == (unsigned int)iter->ifc.ifc_len) {
#ifdef __linux
return (linux_if_inet6_current(iter));
#else
return (ISC_R_NOMORE);
#endif
}
INSIST( iter->pos < (unsigned int) iter->ifc.ifc_len);
ifrp = (struct ifreq *)((char *) iter->ifc.ifc_req + iter->pos);
memset(&ifreq, 0, sizeof(ifreq));
memmove(&ifreq, ifrp, sizeof(ifreq));
family = ifreq.ifr_addr.sa_family;
#if defined(ISC_PLATFORM_HAVEIPV6)
if (family != AF_INET && family != AF_INET6)
#else
if (family != AF_INET)
#endif
return (ISC_R_IGNORE);
memset(&iter->current, 0, sizeof(iter->current));
iter->current.af = family;
INSIST(sizeof(ifreq.ifr_name) <= sizeof(iter->current.name));
memset(iter->current.name, 0, sizeof(iter->current.name));
memmove(iter->current.name, ifreq.ifr_name, sizeof(ifreq.ifr_name));
get_addr(family, &iter->current.address,
(struct sockaddr *)&ifrp->ifr_addr, ifreq.ifr_name);
/*
* If the interface does not have a address ignore it.
*/
switch (family) {
case AF_INET:
if (iter->current.address.type.in.s_addr == htonl(INADDR_ANY))
return (ISC_R_IGNORE);
break;
case AF_INET6:
if (memcmp(&iter->current.address.type.in6, &in6addr_any,
sizeof(in6addr_any)) == 0)
return (ISC_R_IGNORE);
break;
}
/*
* Get interface flags.
*/
iter->current.flags = 0;
/*
* Ignore the HP/UX warning about "integer overflow during
* conversion. It comes from its own macro definition,
* and is really hard to shut up.
*/
if (ioctl(iter->socket, SIOCGIFFLAGS, (char *) &ifreq) < 0) {
isc__strerror(errno, strbuf, sizeof(strbuf));
UNEXPECTED_ERROR(__FILE__, __LINE__,
"%s: getting interface flags: %s",
ifreq.ifr_name, strbuf);
return (ISC_R_IGNORE);
}
if ((ifreq.ifr_flags & IFF_UP) != 0)
iter->current.flags |= INTERFACE_F_UP;
#ifdef IFF_POINTOPOINT
if ((ifreq.ifr_flags & IFF_POINTOPOINT) != 0)
iter->current.flags |= INTERFACE_F_POINTTOPOINT;
#endif
if ((ifreq.ifr_flags & IFF_LOOPBACK) != 0)
iter->current.flags |= INTERFACE_F_LOOPBACK;
if (family == AF_INET)
goto inet;
#if !defined(ISC_PLATFORM_HAVEIF_LADDRREQ) && defined(SIOCGLIFADDR)
memset(&lifreq, 0, sizeof(lifreq));
memmove(lifreq.lifr_name, iter->current.name, sizeof(lifreq.lifr_name));
memmove(&lifreq.lifr_addr, &iter->current.address.type.in6,
sizeof(iter->current.address.type.in6));
if (ioctl(iter->socket, SIOCGLIFADDR, &lifreq) < 0) {
isc__strerror(errno, strbuf, sizeof(strbuf));
UNEXPECTED_ERROR(__FILE__, __LINE__,
"%s: getting interface address: %s",
ifreq.ifr_name, strbuf);
return (ISC_R_IGNORE);
}
prefixlen = lifreq.lifr_addrlen;
#else
isc_netaddr_format(&iter->current.address, sabuf, sizeof(sabuf));
isc_log_write(isc_lctx, ISC_LOGCATEGORY_GENERAL,
ISC_LOGMODULE_INTERFACE,
ISC_LOG_INFO,
isc_msgcat_get(isc_msgcat,
ISC_MSGSET_IFITERIOCTL,
ISC_MSG_GETIFCONFIG,
"prefix length for %s is unknown "
"(assume 128)"), sabuf);
prefixlen = 128;
#endif
/*
* Netmask already zeroed.
*/
iter->current.netmask.family = family;
for (i = 0; i < 16; i++) {
if (prefixlen > 8) {
bits = 0;
prefixlen -= 8;
} else {
bits = 8 - prefixlen;
prefixlen = 0;
}
iter->current.netmask.type.in6.s6_addr[i] = (~0 << bits) & 0xff;
}
return (ISC_R_SUCCESS);
inet:
if (family != AF_INET)
return (ISC_R_IGNORE);
#ifdef IFF_POINTOPOINT
/*
* If the interface is point-to-point, get the destination address.
*/
if ((iter->current.flags & INTERFACE_F_POINTTOPOINT) != 0) {
/*
* Ignore the HP/UX warning about "integer overflow during
* conversion. It comes from its own macro definition,
* and is really hard to shut up.
*/
if (ioctl(iter->socket, SIOCGIFDSTADDR, (char *)&ifreq)
< 0) {
isc__strerror(errno, strbuf, sizeof(strbuf));
UNEXPECTED_ERROR(__FILE__, __LINE__,
isc_msgcat_get(isc_msgcat,
ISC_MSGSET_IFITERIOCTL,
ISC_MSG_GETDESTADDR,
"%s: getting "
"destination address: %s"),
ifreq.ifr_name, strbuf);
return (ISC_R_IGNORE);
}
get_addr(family, &iter->current.dstaddress,
(struct sockaddr *)&ifreq.ifr_dstaddr, ifreq.ifr_name);
}
#endif
/*
* Get the network mask.
*/
memset(&ifreq, 0, sizeof(ifreq));
memmove(&ifreq, ifrp, sizeof(ifreq));
/*
* Ignore the HP/UX warning about "integer overflow during
* conversion. It comes from its own macro definition,
* and is really hard to shut up.
*/
if (ioctl(iter->socket, SIOCGIFNETMASK, (char *)&ifreq) < 0) {
isc__strerror(errno, strbuf, sizeof(strbuf));
UNEXPECTED_ERROR(__FILE__, __LINE__,
isc_msgcat_get(isc_msgcat,
ISC_MSGSET_IFITERIOCTL,
ISC_MSG_GETNETMASK,
"%s: getting netmask: %s"),
ifreq.ifr_name, strbuf);
return (ISC_R_IGNORE);
}
get_addr(family, &iter->current.netmask,
(struct sockaddr *)&ifreq.ifr_addr, ifreq.ifr_name);
return (ISC_R_SUCCESS);
}
static isc_result_t
internal_current6(isc_interfaceiter_t *iter) {
BOOL ifNamed = FALSE;
struct sockaddr_in6 *psa6;
BOOL localhostSeen;
int i;
REQUIRE(VALID_IFITER(iter));
REQUIRE(iter->pos6 >= 0);
REQUIRE(iter->buf6 != 0);
memset(&iter->current, 0, sizeof(iter->current));
iter->current.af = AF_INET6;
/*
* synthesize localhost ::1 before returning the rest, if ::1
* is not on the list.
*/
if (iter->pos6 >= (unsigned)iter->buf6->iAddressCount) {
localhostSeen = FALSE;
for (i = 0; i < iter->buf6->iAddressCount; i++) {
psa6 = (struct sockaddr_in6 *)
iter->buf6->Address[i].lpSockaddr;
if (!memcmp(&iter->loop__1, &psa6->sin6_addr,
sizeof(iter->loop__1))) {
localhostSeen = TRUE;
break;
}
}
if (localhostSeen)
iter->pos6 = iter->buf6->iAddressCount - 1;
}
if (iter->pos6 < (unsigned)iter->buf6->iAddressCount) {
isc_netaddr_fromsockaddr(&iter->current.address,
(isc_sockaddr_t *)iter->buf6->Address[iter->pos6].lpSockaddr);
} else {
iter->current.address.family = AF_INET6;
memcpy(&iter->current.address.type.in6, &iter->loop__1,
sizeof(iter->current.address.type.in6));
}
/*
* Get interface flags.
*/
iter->current.flags = INTERFACE_F_UP | INTERFACE_F_MULTICAST;
if (!memcmp(&iter->current.address.type.in6, &iter->loop__1,
sizeof(iter->current.address.type.in6)) ||
!memcmp(&iter->current.address.type.in6, &iter->loopfe80__1,
sizeof(iter->current.address.type.in6))) {
iter->current.flags |= INTERFACE_F_LOOPBACK;
snprintf(iter->current.name, sizeof(iter->current.name),
"v6loop %d",
iter->buf6->iAddressCount - iter->pos6);
ifNamed = TRUE;
}
if (ifNamed == FALSE)
snprintf(iter->current.name, sizeof(iter->current.name),
"IPv6 %d",
iter->buf6->iAddressCount - iter->pos6);
memset(iter->current.netmask.type.in6.s6_addr, 0xff,
sizeof(iter->current.netmask.type.in6.s6_addr));
iter->current.netmask.family = AF_INET6;
return (ISC_R_SUCCESS);
}
static isc_result_t
internal_current(isc_interfaceiter_t *iter) {
BOOL ifNamed = FALSE;
unsigned long flags;
REQUIRE(VALID_IFITER(iter));
REQUIRE(iter->numIF >= 0);
memset(&iter->current, 0, sizeof(iter->current));
iter->current.af = AF_INET;
isc_netaddr_fromsockaddr(&iter->current.address,
(isc_sockaddr_t *)&(iter->IFData.iiAddress));
/*
* Get interface flags.
*/
iter->current.flags = 0;
flags = iter->IFData.iiFlags;
if ((flags & IFF_UP) != 0)
iter->current.flags |= INTERFACE_F_UP;
if ((flags & IFF_BROADCAST) != 0)
iter->current.flags |= INTERFACE_F_BROADCAST;
if ((flags & IFF_MULTICAST) != 0)
iter->current.flags |= INTERFACE_F_MULTICAST;
if ((flags & IFF_POINTTOPOINT) != 0) {
iter->current.flags |= INTERFACE_F_POINTTOPOINT;
snprintf(iter->current.name, sizeof(iter->current.name),
"PPP %d", iter->numIF);
ifNamed = TRUE;
}
if ((flags & IFF_LOOPBACK) != 0) {
iter->current.flags |= INTERFACE_F_LOOPBACK;
snprintf(iter->current.name, sizeof(iter->current.name),
"v4loop %d", iter->numIF);
ifNamed = TRUE;
}
/*
* If the interface is point-to-point, get the destination address.
*/
if ((iter->current.flags & INTERFACE_F_POINTTOPOINT) != 0)
isc_netaddr_fromsockaddr(&iter->current.dstaddress,
(isc_sockaddr_t *)&(iter->IFData.iiBroadcastAddress));
/*
* Get the network mask.
*/
isc_netaddr_fromsockaddr(&iter->current.netmask,
(isc_sockaddr_t *)&(iter->IFData.iiNetmask));
/*
* If the interface is broadcast, get the broadcast address,
* based on the unicast address and network mask.
*/
if ((iter->current.flags & INTERFACE_F_BROADCAST) != 0)
get_broadcastaddr(&iter->current.broadcast,
&iter->current.address,
&iter->current.netmask);
if (ifNamed == FALSE)
snprintf(iter->current.name, sizeof(iter->current.name),
"IPv4 %d", iter->numIF);
return (ISC_R_SUCCESS);
}
