static void
size_cols(int ef __unused, struct radix_node *rn)
{
wid_dst = WID_DST_DEFAULT(ef);
wid_gw = WID_GW_DEFAULT(ef);
wid_flags = 6;
wid_refs = 6;
wid_use = 8;
wid_mtu = 6;
wid_if = WID_IF_DEFAULT(ef);
wid_expire = 6;
if (Wflag)
size_cols_tree(rn);
}
static void
p_rtable_sysctl(int fibnum, int af)
{
size_t needed;
int mib[7];
char *buf, *next, *lim;
struct rt_msghdr *rtm;
struct sockaddr *sa;
int fam = AF_UNSPEC, ifindex = 0, size;
int need_table_close = false;
struct ifaddrs *ifap, *ifa;
struct sockaddr_dl *sdl;
/*
* Retrieve interface list at first
* since we need #ifindex -> if_xname match
*/
if (getifaddrs(&ifap) != 0)
err(EX_OSERR, "getifaddrs");
for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
if (ifa->ifa_addr->sa_family != AF_LINK)
continue;
sdl = (struct sockaddr_dl *)ifa->ifa_addr;
ifindex = sdl->sdl_index;
if (ifindex >= ifmap_size) {
size = roundup(ifindex + 1, 32) *
sizeof(struct ifmap_entry);
if ((ifmap = realloc(ifmap, size)) == NULL)
errx(2, "realloc(%d) failed", size);
memset(&ifmap[ifmap_size], 0,
size - ifmap_size *
sizeof(struct ifmap_entry));
ifmap_size = roundup(ifindex + 1, 32);
}
if (*ifmap[ifindex].ifname != '\0')
continue;
strlcpy(ifmap[ifindex].ifname, ifa->ifa_name, IFNAMSIZ);
}
freeifaddrs(ifap);
mib[0] = CTL_NET;
mib[1] = PF_ROUTE;
mib[2] = 0;
mib[3] = af;
mib[4] = NET_RT_DUMP;
mib[5] = 0;
mib[6] = fibnum;
if (sysctl(mib, nitems(mib), NULL, &needed, NULL, 0) < 0)
err(EX_OSERR, "sysctl: net.route.0.%d.dump.%d estimate", af,
fibnum);
if ((buf = malloc(needed)) == NULL)
errx(2, "malloc(%lu)", (unsigned long)needed);
if (sysctl(mib, nitems(mib), buf, &needed, NULL, 0) < 0)
err(1, "sysctl: net.route.0.%d.dump.%d", af, fibnum);
lim = buf + needed;
xo_open_container("route-table");
xo_open_list("rt-family");
for (next = buf; next < lim; next += rtm->rtm_msglen) {
rtm = (struct rt_msghdr *)next;
if (rtm->rtm_version != RTM_VERSION)
continue;
/*
* Peek inside header to determine AF
*/
sa = (struct sockaddr *)(rtm + 1);
/* Only print family first time. */
if (fam != sa->sa_family) {
if (need_table_close) {
xo_close_list("rt-entry");
xo_close_instance("rt-family");
}
need_table_close = true;
fam = sa->sa_family;
wid_dst = WID_DST_DEFAULT(fam);
wid_gw = WID_GW_DEFAULT(fam);
wid_flags = 6;
wid_pksent = 8;
wid_mtu = 6;
wid_if = WID_IF_DEFAULT(fam);
wid_expire = 6;
xo_open_instance("rt-family");
pr_family(fam);
xo_open_list("rt-entry");
pr_rthdr(fam);
}
p_rtentry_sysctl("rt-entry", rtm);
}
if (need_table_close) {
xo_close_list("rt-entry");
xo_close_instance("rt-family");
}
xo_close_list("rt-family");
xo_close_container("route-table");
free(buf);
}
