int
intf_loop(intf_t *intf, intf_handler callback, void *arg)
{
struct intf_entry *entry;
struct lifreq *lifr, *llifr, *plifr;
char *p, ebuf[BUFSIZ];
int ret;
entry = (struct intf_entry *)ebuf;
intf->lifc.lifc_buf = (caddr_t)intf->ifcbuf;
intf->lifc.lifc_len = sizeof(intf->ifcbuf);
if (ioctl(intf->fd, SIOCGLIFCONF, &intf->lifc) < 0)
return (-1);
llifr = (struct lifreq *)&intf->lifc.lifc_buf[intf->lifc.lifc_len];
for (lifr = intf->lifc.lifc_req; lifr < llifr; lifr = NEXTLIFR(lifr)) {
/* XXX - Linux, Solaris ifaliases */
if ((p = strchr(lifr->lifr_name, ':')) != NULL)
*p = '\0';
for (plifr = intf->lifc.lifc_req; plifr < lifr; plifr = NEXTLIFR(lifr)) {
if (strcmp(lifr->lifr_name, plifr->lifr_name) == 0)
break;
}
if (lifr > intf->lifc.lifc_req && plifr < llifr)
continue;
memset(ebuf, 0, sizeof(ebuf));
strlcpy(entry->intf_name, lifr->lifr_name,
sizeof(entry->intf_name));
entry->intf_len = sizeof(ebuf);
/* Repair the alias name back up */
if (p) *p = ':';
if (_intf_get_noalias(intf, entry) < 0)
return (-1);
if (_intf_get_aliases(intf, entry) < 0)
return (-1);
if ((ret = (*callback)(entry, arg)) != 0)
return (ret);
}
return (0);
}
int
intf_loop(intf_t *intf, intf_handler callback, void *arg)
{
struct intf_entry *entry;
struct lifreq *lifr, *llifr, *plifr;
char *p, ebuf[BUFSIZ];
int ret;
entry = (struct intf_entry *)ebuf;
/* http://www.unix.com/man-page/opensolaris/7p/if_tcp */
intf->lifc.lifc_family = AF_UNSPEC;
intf->lifc.lifc_flags = 0;
#ifdef LIFC_UNDER_IPMP
intf->lifc.lifc_flags |= LIFC_UNDER_IPMP;
#endif
intf->lifc.lifc_buf = (caddr_t)intf->ifcbuf;
intf->lifc.lifc_len = sizeof(intf->ifcbuf);
if (ioctl(intf->fd, SIOCGLIFCONF, &intf->lifc) < 0)
return (-1);
llifr = (struct lifreq *)&intf->lifc.lifc_buf[intf->lifc.lifc_len];
for (lifr = intf->lifc.lifc_req; lifr < llifr; lifr = NEXTLIFR(lifr)) {
/* XXX - Linux, Solaris ifaliases */
if ((p = strchr(lifr->lifr_name, ':')) != NULL)
*p = '\0';
for (plifr = intf->lifc.lifc_req; plifr < lifr; plifr = NEXTLIFR(lifr)) {
if (strcmp(lifr->lifr_name, plifr->lifr_name) == 0)
break;
}
if (lifr > intf->lifc.lifc_req && plifr < lifr)
continue;
memset(ebuf, 0, sizeof(ebuf));
strlcpy(entry->intf_name, lifr->lifr_name,
sizeof(entry->intf_name));
entry->intf_len = sizeof(ebuf);
/* Repair the alias name back up */
if (p) *p = ':';
/* Ignore IPMP interfaces. These are virtual interfaces made up
* of physical interfaces. IPMP interfaces do not support things
* like packet sniffing; it is necessary to use one of the
* underlying physical interfaces instead. This works as long as
* the physical interface's test address is on the same subnet
* as the IPMP interface's address. */
if (ioctl(intf->fd, SIOCGLIFFLAGS, lifr) >= 0)
;
else if (intf->fd6 != -1 && ioctl(intf->fd6, SIOCGLIFFLAGS, lifr) >= 0)
;
else
return (-1);
if (lifr->lifr_flags & IFF_IPMP) {
continue;
}
if (_intf_get_noalias(intf, entry) < 0)
return (-1);
if (_intf_get_aliases(intf, entry) < 0)
return (-1);
if ((ret = (*callback)(entry, arg)) != 0)
return (ret);
}
return (0);
}
static int
_intf_get_aliases(intf_t *intf, struct intf_entry *entry)
{
struct lifreq *lifr, *llifr;
struct lifreq tmplifr;
struct addr *ap, *lap;
char *p;
if (intf->lifc.lifc_len < (int)sizeof(*lifr)) {
errno = EINVAL;
return (-1);
}
entry->intf_alias_num = 0;
ap = entry->intf_alias_addrs;
llifr = (struct lifreq *)intf->lifc.lifc_buf +
(intf->lifc.lifc_len / sizeof(*llifr));
lap = (struct addr *)((u_char *)entry + entry->intf_len);
/* Get addresses for this interface. */
for (lifr = intf->lifc.lifc_req; lifr < llifr && (ap + 1) < lap;
lifr = NEXTLIFR(lifr)) {
/* XXX - Linux, Solaris ifaliases */
if ((p = strchr(lifr->lifr_name, ':')) != NULL)
*p = '\0';
if (strcmp(lifr->lifr_name, entry->intf_name) != 0) {
if (p) *p = ':';
continue;
}
/* Fix the name back up */
if (p) *p = ':';
if (addr_ston((struct sockaddr *)&lifr->lifr_addr, ap) < 0)
continue;
/* XXX */
if (ap->addr_type == ADDR_TYPE_ETH) {
memcpy(&entry->intf_link_addr, ap, sizeof(*ap));
continue;
} else if (ap->addr_type == ADDR_TYPE_IP) {
if (ap->addr_ip == entry->intf_addr.addr_ip ||
ap->addr_ip == entry->intf_dst_addr.addr_ip)
continue;
strlcpy(tmplifr.lifr_name, lifr->lifr_name, sizeof(tmplifr.lifr_name));
if (ioctl(intf->fd, SIOCGIFNETMASK, &tmplifr) == 0)
addr_stob((struct sockaddr *)&tmplifr.lifr_addr, &ap->addr_bits);
} else if (ap->addr_type == ADDR_TYPE_IP6 && intf->fd6 != -1) {
if (memcmp(&ap->addr_ip6, &entry->intf_addr.addr_ip6, IP6_ADDR_LEN) == 0 ||
memcmp(&ap->addr_ip6, &entry->intf_dst_addr.addr_ip6, IP6_ADDR_LEN) == 0)
continue;
strlcpy(tmplifr.lifr_name, lifr->lifr_name, sizeof(tmplifr.lifr_name));
if (ioctl(intf->fd6, SIOCGLIFNETMASK, &tmplifr) == 0) {
addr_stob((struct sockaddr *)&tmplifr.lifr_addr,
&ap->addr_bits);
}
else perror("SIOCGLIFNETMASK");
}
ap++, entry->intf_alias_num++;
}
entry->intf_len = (u_char *)ap - (u_char *)entry;
return (0);
}
