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Differential D36529 Diff 115925 usr.bin/netstat/route.c

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usr.bin/netstat/route.c

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static struct timespec uptime; static struct timespec uptime;
static const char *netname4(in_addr_t, in_addr_t); static const char *netname4(in_addr_t, in_addr_t);
#ifdef INET6 #ifdef INET6
static const char *netname6(struct sockaddr_in6 *, struct sockaddr_in6 *); static const char *netname6(struct sockaddr_in6 *, struct sockaddr_in6 *);
#endif #endif
static void p_rtable_sysctl(int, int); static void p_rtable_sysctl(int, int);
static void p_rtentry_sysctl(const char *name, struct rt_msghdr *); static void p_rtentry_sysctl(const char *name, struct rt_msghdr *);
static void p_flags(int, const char *);
static void domask(char *, size_t, u_long); static void domask(char *, size_t, u_long);
/* /*
* Print routing tables. * Print routing tables.
*/ */
void void
routepr(int fibnum, int af) routepr(int fibnum, int af)
Show All 20 Linesroutepr(int fibnum, int af)
if (clock_gettime(CLOCK_UPTIME, &uptime) < 0) if (clock_gettime(CLOCK_UPTIME, &uptime) < 0)
err(EX_OSERR, "clock_gettime() failed"); err(EX_OSERR, "clock_gettime() failed");
xo_open_container("route-information"); xo_open_container("route-information");
xo_emit("{T:Routing tables}"); xo_emit("{T:Routing tables}");
if (fibnum) if (fibnum)
xo_emit(" ({L:fib}: {:fib/%d})", fibnum); xo_emit(" ({L:fib}: {:fib/%d})", fibnum);
xo_emit("\n"); xo_emit("\n");
if (!p_rtable_netlink(fibnum, af))
p_rtable_sysctl(fibnum, af); p_rtable_sysctl(fibnum, af);
xo_close_container("route-information"); xo_close_container("route-information");
} }
/* /*
* Print address family header before a section of the routing table. * Print address family header before a section of the routing table.
*/ */
void void
Show All 37 Lines
#else #else
#define WID_DST_DEFAULT(af) \ #define WID_DST_DEFAULT(af) \
((af) == AF_INET6 ? (numeric_addr ? 33: 18) : 18) ((af) == AF_INET6 ? (numeric_addr ? 33: 18) : 18)
#define WID_GW_DEFAULT(af) \ #define WID_GW_DEFAULT(af) \
((af) == AF_INET6 ? (numeric_addr ? 29 : 18) : 18) ((af) == AF_INET6 ? (numeric_addr ? 29 : 18) : 18)
#define WID_IF_DEFAULT(af) ((af) == AF_INET6 ? 8 : (Wflag ? 10 : 8)) #define WID_IF_DEFAULT(af) ((af) == AF_INET6 ? 8 : (Wflag ? 10 : 8))
#endif /*INET6*/ #endif /*INET6*/
static int wid_dst; struct _wid wid;
static int wid_gw;
static int wid_flags;
static int wid_pksent;
static int wid_mtu;
static int wid_if;
static int wid_expire;
/* /*
* Print header for routing table columns. * Print header for routing table columns.
*/ */
static void void
pr_rthdr(int af1 __unused) pr_rthdr(int af1 __unused)
{ {
if (Wflag) { if (Wflag) {
xo_emit("{T:/%-*.*s} {T:/%-*.*s} {T:/%-*.*s} {T:/%*.*s} " xo_emit("{T:/%-*.*s} {T:/%-*.*s} {T:/%-*.*s} {T:/%*.*s} "
"{T:/%*.*s} {T:/%*.*s} {T:/%*s}\n", "{T:/%*.*s} {T:/%*.*s} {T:/%*s}\n",
wid_dst, wid_dst, "Destination", wid.dst, wid.dst, "Destination",
wid_gw, wid_gw, "Gateway", wid.gw, wid.gw, "Gateway",
wid_flags, wid_flags, "Flags", wid.flags, wid.flags, "Flags",
wid_mtu, wid_mtu, "Nhop#", wid.mtu, wid.mtu, "Nhop#",
wid_mtu, wid_mtu, "Mtu", wid.mtu, wid.mtu, "Mtu",
wid_if, wid_if, "Netif", wid.iface, wid.iface, "Netif",
wid_expire, "Expire"); wid.expire, "Expire");
} else { } else {
xo_emit("{T:/%-*.*s} {T:/%-*.*s} {T:/%-*.*s} {T:/%*.*s} " xo_emit("{T:/%-*.*s} {T:/%-*.*s} {T:/%-*.*s} {T:/%*.*s} "
"{T:/%*s}\n", "{T:/%*s}\n",
wid_dst, wid_dst, "Destination", wid.dst, wid.dst, "Destination",
wid_gw, wid_gw, "Gateway", wid.gw, wid.gw, "Gateway",
wid_flags, wid_flags, "Flags", wid.flags, wid.flags, "Flags",
wid_if, wid_if, "Netif", wid.iface, wid.iface, "Netif",
wid_expire, "Expire"); wid.expire, "Expire");
} }
} }
void
set_wid(int fam)
{
wid.dst = WID_DST_DEFAULT(fam);
wid.gw = WID_GW_DEFAULT(fam);
wid.flags = 6;
wid.pksent = 8;
wid.mtu = 6;
wid.iface = WID_IF_DEFAULT(fam);
wid.expire = 6;
}
static void static void
p_rtable_sysctl(int fibnum, int af) p_rtable_sysctl(int fibnum, int af)
{ {
size_t needed; size_t needed;
int mib[7]; int mib[7];
char *buf, *next, *lim; char *buf, *next, *lim;
struct rt_msghdr *rtm; struct rt_msghdr *rtm;
struct sockaddr *sa; struct sockaddr *sa;
Show All 29 Lines for (next = buf; next < lim; next += rtm->rtm_msglen) {
sa = (struct sockaddr *)(rtm + 1); sa = (struct sockaddr *)(rtm + 1);
/* Only print family first time. */ /* Only print family first time. */
if (fam != sa->sa_family) { if (fam != sa->sa_family) {
if (need_table_close) { if (need_table_close) {
xo_close_list("rt-entry"); xo_close_list("rt-entry");
xo_close_instance("rt-family"); xo_close_instance("rt-family");
} }
need_table_close = true; need_table_close = true;
fam = sa->sa_family; fam = sa->sa_family;
wid_dst = WID_DST_DEFAULT(fam); set_wid(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"); xo_open_instance("rt-family");
pr_family(fam); pr_family(fam);
xo_open_list("rt-entry"); xo_open_list("rt-entry");
pr_rthdr(fam); pr_rthdr(fam);
} }
p_rtentry_sysctl("rt-entry", rtm); p_rtentry_sysctl("rt-entry", rtm);
} }
Show All 20 Lines for (i = 0; i < RTAX_MAX; i++) {
if (rtm->rtm_addrs & (1 << i)) { if (rtm->rtm_addrs & (1 << i)) {
addr[i] = sa; addr[i] = sa;
sa = (struct sockaddr *)((char *)sa + SA_SIZE(sa)); sa = (struct sockaddr *)((char *)sa + SA_SIZE(sa));
} }
} }
protrusion = p_sockaddr("destination", addr[RTAX_DST], protrusion = p_sockaddr("destination", addr[RTAX_DST],
addr[RTAX_NETMASK], addr[RTAX_NETMASK],
rtm->rtm_flags, wid_dst); rtm->rtm_flags, wid.dst);
protrusion = p_sockaddr("gateway", addr[RTAX_GATEWAY], NULL, RTF_HOST, protrusion = p_sockaddr("gateway", addr[RTAX_GATEWAY], NULL, RTF_HOST,
wid_gw - protrusion); wid.gw - protrusion);
snprintf(buffer, sizeof(buffer), "{[:-%d}{:flags/%%s}{]:} ", snprintf(buffer, sizeof(buffer), "{[:-%d}{:flags/%%s}{]:} ",
wid_flags - protrusion); wid.flags - protrusion);
p_flags(rtm->rtm_flags, buffer); p_flags(rtm->rtm_flags, buffer);
/* Output path weight as non-visual property */ /* Output path weight as non-visual property */
xo_emit("{e:weight/%u}", rtm->rtm_rmx.rmx_weight); xo_emit("{e:weight/%u}", rtm->rtm_rmx.rmx_weight);
if (Wflag) { if (Wflag) {
/* XXX: use=0? */ /* XXX: use=0? */
xo_emit("{t:nhop/%*lu} ", wid_mtu, rtm->rtm_rmx.rmx_nhidx); xo_emit("{t:nhop/%*lu} ", wid.mtu, rtm->rtm_rmx.rmx_nhidx);
if (rtm->rtm_rmx.rmx_mtu != 0) if (rtm->rtm_rmx.rmx_mtu != 0)
xo_emit("{t:mtu/%*lu} ", wid_mtu, rtm->rtm_rmx.rmx_mtu); xo_emit("{t:mtu/%*lu} ", wid.mtu, rtm->rtm_rmx.rmx_mtu);
else else
xo_emit("{P:/%*s} ", wid_mtu, ""); xo_emit("{P:/%*s} ", wid.mtu, "");
} }
memset(prettyname, 0, sizeof(prettyname)); memset(prettyname, 0, sizeof(prettyname));
if (rtm->rtm_index < ifmap_size) { if (rtm->rtm_index < ifmap_size) {
strlcpy(prettyname, ifmap[rtm->rtm_index].ifname, strlcpy(prettyname, ifmap[rtm->rtm_index].ifname,
sizeof(prettyname)); sizeof(prettyname));
if (*prettyname == '\0') if (*prettyname == '\0')
strlcpy(prettyname, "---", sizeof(prettyname)); strlcpy(prettyname, "---", sizeof(prettyname));
} }
if (Wflag) if (Wflag)
xo_emit("{t:interface-name/%*s}", wid_if, prettyname); xo_emit("{t:interface-name/%*s}", wid.iface, prettyname);
else else
xo_emit("{t:interface-name/%*.*s}", wid_if, wid_if, xo_emit("{t:interface-name/%*.*s}", wid.iface, wid.iface,
prettyname); prettyname);
if (rtm->rtm_rmx.rmx_expire) { if (rtm->rtm_rmx.rmx_expire) {
time_t expire_time; time_t expire_time;
if ((expire_time = rtm->rtm_rmx.rmx_expire - uptime.tv_sec) > 0) if ((expire_time = rtm->rtm_rmx.rmx_expire - uptime.tv_sec) > 0)
xo_emit(" {:expire-time/%*d}", wid_expire, xo_emit(" {:expire-time/%*d}", wid.expire,
(int)expire_time); (int)expire_time);
} }
xo_emit("\n"); xo_emit("\n");
xo_close_instance(name); xo_close_instance(name);
} }
int int
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} }
cp = buf; cp = buf;
} }
} }
return (cp); return (cp);
} }
static void void
p_flags(int f, const char *format) p_flags(int f, const char *format)
{ {
print_flags_generic(f, rt_bits, format, "flags_pretty"); print_flags_generic(f, rt_bits, format, "flags_pretty");
} }
char * char *
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