ndp(8): add structured output formatting via libxo

Differential Revision:	https://reviews.freebsd.org/D35677
MFC after:	2 weeks
This commit is contained in:
Alexander V. Chernikov 2022-07-04 08:05:58 +00:00
parent 2756774c3f
commit e1c7783e22
2 changed files with 253 additions and 137 deletions

View file

@ -21,6 +21,8 @@ PROG= ndp
MAN= ndp.8
SRCS= ndp.c gmt2local.c
LIBADD= xo
CFLAGS+= -I. -I${.CURDIR} -I${SRCTOP}/contrib/tcpdump
CFLAGS+= -D_U_=""

View file

@ -109,6 +109,7 @@
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <libxo/xo.h>
#include "gmt2local.h"
#define NEXTADDR(w, s) \
@ -158,6 +159,8 @@ static const char *rtpref_str[] = {
"low" /* 11 */
};
#define NDP_XO_VERSION "1"
int
main(int argc, char **argv)
{
@ -166,6 +169,13 @@ main(int argc, char **argv)
pid = getpid();
thiszone = gmt2local(0);
argc = xo_parse_args(argc, argv);
if (argc < 0)
exit(1);
xo_set_version(NDP_XO_VERSION);
xo_open_container("ndp");
while ((ch = getopt(argc, argv, "acd:f:Ii:nprstA:HPR")) != -1)
switch (ch) {
case 'a':
@ -234,7 +244,9 @@ main(int argc, char **argv)
usage();
/*NOTREACHED*/
}
xo_open_list("neighbor-cache");
delete(arg);
xo_close_list("neighbor-cache");
break;
case 'I':
#ifdef SIOCSDEFIFACE_IN6 /* XXX: check SIOCGDEFIFACE_IN6 as well? */
@ -246,12 +258,12 @@ main(int argc, char **argv)
if_nametoindex(*argv))
setdefif(*argv);
else
errx(1, "invalid interface %s", *argv);
xo_errx(1, "invalid interface %s", *argv);
}
getdefif(); /* always call it to print the result */
break;
#else
errx(1, "not supported yet");
xo_errx(1, "not supported yet");
/*NOTREACHED*/
#endif
case 'p':
@ -304,6 +316,8 @@ main(int argc, char **argv)
get(argv[0]);
break;
}
xo_close_container("ndp");
xo_finish();
exit(0);
}
@ -318,7 +332,7 @@ file(char *name)
char line[100], arg[5][50], *args[5], *p;
if ((fp = fopen(name, "r")) == NULL)
err(1, "cannot open %s", name);
xo_err(1, "cannot open %s", name);
args[0] = &arg[0][0];
args[1] = &arg[1][0];
args[2] = &arg[2][0];
@ -334,7 +348,7 @@ file(char *name)
i = sscanf(line, "%49s %49s %49s %49s %49s",
arg[0], arg[1], arg[2], arg[3], arg[4]);
if (i < 2) {
warnx("bad line: %s", line);
xo_warnx("bad line: %s", line);
retval = 1;
continue;
}
@ -351,7 +365,7 @@ getsocket()
if (s < 0) {
s = socket(PF_ROUTE, SOCK_RAW, 0);
if (s < 0) {
err(1, "socket");
xo_err(1, "socket");
/* NOTREACHED */
}
}
@ -402,8 +416,7 @@ set(int argc, char **argv)
hints.ai_family = AF_INET6;
gai_error = getaddrinfo(host, NULL, &hints, &res);
if (gai_error) {
fprintf(stderr, "ndp: %s: %s\n", host,
gai_strerror(gai_error));
xo_warnx("%s: %s", host, gai_strerror(gai_error));
return 1;
}
sin->sin6_addr = ((struct sockaddr_in6 *)res->ai_addr)->sin6_addr;
@ -424,7 +437,7 @@ set(int argc, char **argv)
argv++;
}
if (rtmsg(RTM_GET) < 0) {
errx(1, "RTM_GET(%s) failed", host);
xo_errx(1, "RTM_GET(%s) failed", host);
/* NOTREACHED */
}
sin = (struct sockaddr_in6 *)(rtm + 1);
@ -439,13 +452,13 @@ set(int argc, char **argv)
goto overwrite;
}
}
fprintf(stderr, "set: cannot configure a new entry\n");
xo_warnx("cannot configure a new entry");
return 1;
}
overwrite:
if (sdl->sdl_family != AF_LINK) {
printf("cannot intuit interface index and type for %s\n", host);
xo_warnx("cannot intuit interface index and type for %s", host);
return (1);
}
sdl_m.sdl_type = sdl->sdl_type;
@ -468,8 +481,7 @@ get(char *host)
hints.ai_family = AF_INET6;
gai_error = getaddrinfo(host, NULL, &hints, &res);
if (gai_error) {
fprintf(stderr, "ndp: %s: %s\n", host,
gai_strerror(gai_error));
xo_warnx("%s: %s", host, gai_strerror(gai_error));
return;
}
sin->sin6_addr = ((struct sockaddr_in6 *)res->ai_addr)->sin6_addr;
@ -480,8 +492,7 @@ get(char *host)
getnameinfo((struct sockaddr *)sin, sin->sin6_len, host_buf,
sizeof(host_buf), NULL ,0,
(nflag ? NI_NUMERICHOST : 0));
printf("%s (%s) -- no entry\n", host, host_buf);
exit(1);
xo_errx(1, "%s (%s) -- no entry", host, host_buf);
}
}
@ -505,15 +516,14 @@ delete(char *host)
hints.ai_family = AF_INET6;
gai_error = getaddrinfo(host, NULL, &hints, &res);
if (gai_error) {
fprintf(stderr, "ndp: %s: %s\n", host,
gai_strerror(gai_error));
xo_warnx("%s: %s", host, gai_strerror(gai_error));
return 1;
}
sin->sin6_addr = ((struct sockaddr_in6 *)res->ai_addr)->sin6_addr;
sin->sin6_scope_id =
((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id;
if (rtmsg(RTM_GET) < 0) {
errx(1, "RTM_GET(%s) failed", host);
xo_errx(1, "RTM_GET(%s) failed", host);
/* NOTREACHED */
}
sin = (struct sockaddr_in6 *)(rtm + 1);
@ -523,13 +533,13 @@ delete(char *host)
!(rtm->rtm_flags & RTF_GATEWAY)) {
goto delete;
}
fprintf(stderr, "delete: cannot delete non-NDP entry\n");
xo_warnx("delete: cannot delete non-NDP entry");
return 1;
}
delete:
if (sdl->sdl_family != AF_LINK) {
printf("cannot locate %s\n", host);
xo_warnx("cannot locate %s", host);
return (1);
}
/*
@ -543,7 +553,19 @@ delete(char *host)
sin->sin6_len, host_buf,
sizeof(host_buf), NULL, 0,
(nflag ? NI_NUMERICHOST : 0));
printf("%s (%s) deleted\n", host, host_buf);
xo_open_instance("neighbor-cache");
char *ifname = if_indextoname(sdl->sdl_index, ifix_buf);
if (ifname == NULL) {
strlcpy(ifix_buf, "?", sizeof(ifix_buf));
ifname = ifix_buf;
}
char abuf[INET6_ADDRSTRLEN];
inet_ntop(AF_INET6, &sin->sin6_addr, abuf, sizeof(abuf));
xo_emit("{:hostname/%s}{d:/ (%s) deleted\n}", host, host_buf);
xo_emit("{e:address/%s}{e:interface/%s}", abuf, ifname);
xo_close_instance("neighbor-cache");
}
return 0;
@ -574,11 +596,14 @@ dump(struct sockaddr_in6 *addr, int cflag)
char *ifname;
/* Print header */
if (!tflag && !cflag)
printf("%-*.*s %-*.*s %*.*s %-9.9s %1s %5s\n",
W_ADDR, W_ADDR, "Neighbor", W_LL, W_LL, "Linklayer Address",
W_IF, W_IF, "Netif", "Expire", "S", "Flags");
if (!tflag && !cflag) {
char xobuf[200];
snprintf(xobuf, sizeof(xobuf),
"{T:/%%-%d.%ds} {T:/%%-%d.%ds} {T:/%%%d.%ds} {T:/%%-9.9s} {T:%%1s} {T:%%5s}\n",
W_ADDR, W_ADDR, W_LL, W_LL, W_IF, W_IF);
xo_emit(xobuf, "Neighbor", "Linklayer Address", "Netif", "Expire", "S", "Flags");
}
xo_open_list("neighbor-cache");
again:;
mib[0] = CTL_NET;
mib[1] = PF_ROUTE;
@ -591,12 +616,12 @@ again:;
mib[5] = 0;
#endif
if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0)
err(1, "sysctl(PF_ROUTE estimate)");
xo_err(1, "sysctl(PF_ROUTE estimate)");
if (needed > 0) {
if ((buf = malloc(needed)) == NULL)
err(1, "malloc");
xo_err(1, "malloc");
if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0)
err(1, "sysctl(PF_ROUTE, NET_RT_FLAGS)");
xo_err(1, "sysctl(PF_ROUTE, NET_RT_FLAGS)");
lim = buf + needed;
} else
buf = lim = NULL;
@ -677,46 +702,54 @@ again:;
if (W_ADDR + W_LL + W_IF - addrwidth - llwidth > ifwidth)
ifwidth = W_ADDR + W_LL + W_IF - addrwidth - llwidth;
printf("%-*.*s %-*.*s %*.*s", addrwidth, addrwidth, host_buf,
llwidth, llwidth, ether_str(sdl), ifwidth, ifwidth, ifname);
xo_open_instance("neighbor-cache");
/* Compose format string for libxo, as it doesn't support *.* */
char xobuf[200];
snprintf(xobuf, sizeof(xobuf),
"{:address/%%-%d.%ds/%%s} {:mac-address/%%-%d.%ds/%%s} {:interface/%%%d.%ds/%%s}",
addrwidth, addrwidth, llwidth, llwidth, ifwidth, ifwidth);
xo_emit(xobuf, host_buf, ether_str(sdl), ifname);
/* Print neighbor discovery specific information */
expire = rtm->rtm_rmx.rmx_expire;
int expire_in = expire - now.tv_sec;
if (expire > now.tv_sec)
printf(" %-9.9s", sec2str(expire - now.tv_sec));
xo_emit("{d:/ %-9.9s}{e:expires_sec/%d}", sec2str(expire_in), expire_in);
else if (expire == 0)
printf(" %-9.9s", "permanent");
xo_emit("{d:/ %-9.9s}{en:permanent/true}", "permanent");
else
printf(" %-9.9s", "expired");
xo_emit("{d:/ %-9.9s}{e:expires_sec/%d}", "expired", expire_in);
char *lle_state = "";
switch (rtm->rtm_rmx.rmx_state) {
case ND6_LLINFO_NOSTATE:
printf(" N");
lle_state = "N";
break;
#ifdef ND6_LLINFO_WAITDELETE
case ND6_LLINFO_WAITDELETE:
printf(" W");
lle_state = "W";
break;
#endif
case ND6_LLINFO_INCOMPLETE:
printf(" I");
lle_state = "I";
break;
case ND6_LLINFO_REACHABLE:
printf(" R");
lle_state = "R";
break;
case ND6_LLINFO_STALE:
printf(" S");
lle_state = "S";
break;
case ND6_LLINFO_DELAY:
printf(" D");
lle_state = "D";
break;
case ND6_LLINFO_PROBE:
printf(" P");
lle_state = "P";
break;
default:
printf(" ?");
lle_state = "?";
break;
}
xo_emit(" {:neighbor-state/%s}", lle_state);
isrouter = rtm->rtm_flags & RTF_GATEWAY;
prbs = rtm->rtm_rmx.rmx_pksent;
@ -743,22 +776,25 @@ again:;
(rtm->rtm_flags & RTF_ANNOUNCE) ? "p" : "");
#endif
}
printf(" %s", flgbuf);
xo_emit(" {:nd-flags/%s}", flgbuf);
if (prbs)
printf(" %d", prbs);
xo_emit("{d:/ %d}", prbs);
printf("\n");
xo_emit("\n");
xo_close_instance("neighbor-cache");
}
if (buf != NULL)
free(buf);
if (repeat) {
printf("\n");
fflush(stdout);
xo_emit("\n");
xo_flush();
sleep(repeat);
goto again;
}
xo_close_list("neighbor-cache");
}
static struct in6_nbrinfo *
@ -768,14 +804,14 @@ getnbrinfo(struct in6_addr *addr, int ifindex, int warning)
int sock;
if ((sock = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
err(1, "socket");
xo_err(1, "socket");
bzero(&nbi, sizeof(nbi));
if_indextoname(ifindex, nbi.ifname);
nbi.addr = *addr;
if (ioctl(sock, SIOCGNBRINFO_IN6, (caddr_t)&nbi) < 0) {
if (warning)
warn("ioctl(SIOCGNBRINFO_IN6)");
xo_warn("ioctl(SIOCGNBRINFO_IN6)");
close(sock);
return(NULL);
}
@ -809,7 +845,7 @@ ndp_ether_aton(char *a, u_char *n)
i = sscanf(a, "%x:%x:%x:%x:%x:%x", &o[0], &o[1], &o[2],
&o[3], &o[4], &o[5]);
if (i != 6) {
fprintf(stderr, "ndp: invalid Ethernet address '%s'\n", a);
xo_warnx("invalid Ethernet address '%s'", a);
return (1);
}
for (i = 0; i < 6; i++)
@ -851,8 +887,7 @@ rtmsg(int cmd)
switch (cmd) {
default:
fprintf(stderr, "ndp: internal wrong cmd\n");
exit(1);
xo_errx(1, "internal wrong cmd");
case RTM_ADD:
rtm->rtm_addrs |= RTA_GATEWAY;
if (expire_time) {
@ -875,7 +910,7 @@ rtmsg(int cmd)
rtm->rtm_type = cmd;
if ((rlen = write(s, (char *)&m_rtmsg, l)) < 0) {
if (errno != ESRCH || cmd != RTM_DELETE) {
err(1, "writing to routing socket");
xo_err(1, "writing to routing socket");
/* NOTREACHED */
}
}
@ -884,8 +919,7 @@ rtmsg(int cmd)
} while (l > 0 && (rtm->rtm_type != cmd || rtm->rtm_seq != seq ||
rtm->rtm_pid != pid));
if (l < 0)
(void) fprintf(stderr, "ndp: read from routing socket: %s\n",
strerror(errno));
xo_warn("read from routing socket");
return (0);
}
@ -900,13 +934,13 @@ ifinfo(char *ifname, int argc, char **argv)
#endif
if ((sock = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
err(1, "socket");
xo_err(1, "socket");
/* NOTREACHED */
}
bzero(&nd, sizeof(nd));
strlcpy(nd.ifname, ifname, sizeof(nd.ifname));
if (ioctl(sock, SIOCGIFINFO_IN6, (caddr_t)&nd) < 0) {
err(1, "ioctl(SIOCGIFINFO_IN6)");
xo_err(1, "ioctl(SIOCGIFINFO_IN6)");
/* NOTREACHED */
}
#define ND nd.ndi
@ -939,11 +973,11 @@ ifinfo(char *ifname, int argc, char **argv)
if (strncmp(cp, f, strlen(f)) == 0) { \
valptr = strchr(cp, '='); \
if (valptr == NULL) \
err(1, "syntax error in %s field", (f)); \
xo_err(1, "syntax error in %s field", (f)); \
errno = 0; \
newval = strtoul(++valptr, NULL, 0); \
if (errno) \
err(1, "syntax error in %s's value", (f)); \
xo_err(1, "syntax error in %s's value", (f)); \
v = newval; \
} \
} while (0)
@ -965,7 +999,7 @@ ifinfo(char *ifname, int argc, char **argv)
ND.flags = newflags;
if (ioctl(sock, SIOCSIFINFO_IN6, (caddr_t)&nd) < 0) {
err(1, "ioctl(SIOCSIFINFO_IN6)");
xo_err(1, "ioctl(SIOCSIFINFO_IN6)");
/* NOTREACHED */
}
#undef SETFLAG
@ -973,21 +1007,25 @@ ifinfo(char *ifname, int argc, char **argv)
}
if (!ND.initialized) {
errx(1, "%s: not initialized yet", ifname);
xo_errx(1, "%s: not initialized yet", ifname);
/* NOTREACHED */
}
if (ioctl(sock, SIOCGIFINFO_IN6, (caddr_t)&nd) < 0) {
err(1, "ioctl(SIOCGIFINFO_IN6)");
xo_err(1, "ioctl(SIOCGIFINFO_IN6)");
/* NOTREACHED */
}
printf("linkmtu=%d", ND.linkmtu);
printf(", maxmtu=%d", ND.maxmtu);
printf(", curhlim=%d", ND.chlim);
printf(", basereachable=%ds%dms",
ND.basereachable / 1000, ND.basereachable % 1000);
printf(", reachable=%ds", ND.reachable);
printf(", retrans=%ds%dms", ND.retrans / 1000, ND.retrans % 1000);
xo_open_container("ifinfo");
xo_emit("{e:interface/%s}", ifname);
xo_emit("linkmtu={:linkmtu/%d}", ND.linkmtu);
xo_emit(", maxmtu={:maxmtu/%d}", ND.maxmtu);
xo_emit(", curhlim={:curhlim/%d}", ND.chlim);
xo_emit("{d:/, basereachable=%ds%dms}{e:basereachable_ms/%u}",
ND.basereachable / 1000, ND.basereachable % 1000, ND.basereachable);
xo_emit("{d:/, reachable=%ds}{e:reachable_ms/%u}", ND.reachable, ND.reachable * 1000);
xo_emit("{d:/, retrans=%ds%dms}{e:retrans_ms/%u}", ND.retrans / 1000, ND.retrans % 1000,
ND.retrans);
#ifdef IPV6CTL_USETEMPADDR
memset(nullbuf, 0, sizeof(nullbuf));
if (memcmp(nullbuf, ND.randomid, sizeof(nullbuf)) != 0) {
@ -995,50 +1033,60 @@ ifinfo(char *ifname, int argc, char **argv)
u_int8_t *rbuf;
for (i = 0; i < 3; i++) {
const char *txt, *field;
switch (i) {
case 0:
printf("\nRandom seed(0): ");
txt = "\nRandom seed(0): ";
field = "seed_0";
rbuf = ND.randomseed0;
break;
case 1:
printf("\nRandom seed(1): ");
txt = "\nRandom seed(1): ";
field = "seed_1";
rbuf = ND.randomseed1;
break;
case 2:
printf("\nRandom ID: ");
txt = "\nRandom ID: ";
field = "random_id";
rbuf = ND.randomid;
break;
default:
errx(1, "impossible case for tempaddr display");
xo_errx(1, "impossible case for tempaddr display");
}
char abuf[20], xobuf[200];
for (j = 0; j < 8; j++)
printf("%02x", rbuf[j]);
snprintf(&abuf[j * 2], sizeof(abuf), "%02X", rbuf[j]);
snprintf(xobuf, sizeof(xobuf), "%s{:%s/%%s}", txt, field);
xo_emit(xobuf, abuf);
}
}
#endif /* IPV6CTL_USETEMPADDR */
if (ND.flags) {
printf("\nFlags: ");
xo_emit("\nFlags: {e:flags/%u}", ND.flags);
xo_open_list("flags_pretty");
#ifdef ND6_IFF_IFDISABLED
if ((ND.flags & ND6_IFF_IFDISABLED))
printf("disabled ");
xo_emit("{l:%s} ", "disabled");
#endif
if ((ND.flags & ND6_IFF_PERFORMNUD))
printf("nud ");
xo_emit("{l:%s} ", "nud");
#ifdef ND6_IFF_ACCEPT_RTADV
if ((ND.flags & ND6_IFF_ACCEPT_RTADV))
printf("accept_rtadv ");
xo_emit("{l:%s} ", "accept_rtadv");
#endif
#ifdef ND6_IFF_AUTO_LINKLOCAL
if ((ND.flags & ND6_IFF_AUTO_LINKLOCAL))
printf("auto_linklocal ");
xo_emit("{l:%s} ", "auto_linklocal");
#endif
#ifdef ND6_IFF_NO_PREFER_IFACE
if ((ND.flags & ND6_IFF_NO_PREFER_IFACE))
printf("no_prefer_iface ");
xo_emit("{l:%s} ", "no_prefer_iface");
#endif
xo_close_list("flags");
}
putc('\n', stdout);
xo_emit("\n");
#undef ND
xo_close_container("ifinfo");
close(sock);
}
@ -1057,49 +1105,76 @@ rtrlist()
struct timeval now;
if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), NULL, &l, NULL, 0) < 0) {
err(1, "sysctl(ICMPV6CTL_ND6_DRLIST)");
xo_err(1, "sysctl(ICMPV6CTL_ND6_DRLIST)");
/*NOTREACHED*/
}
if (l == 0)
return;
buf = malloc(l);
if (!buf) {
err(1, "malloc");
xo_err(1, "malloc");
/*NOTREACHED*/
}
if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), buf, &l, NULL, 0) < 0) {
err(1, "sysctl(ICMPV6CTL_ND6_DRLIST)");
xo_err(1, "sysctl(ICMPV6CTL_ND6_DRLIST)");
/*NOTREACHED*/
}
xo_open_list("router-list");
ep = (struct in6_defrouter *)(buf + l);
for (p = (struct in6_defrouter *)buf; p < ep; p++) {
int rtpref;
char abuf[INET6_ADDRSTRLEN], *paddr;
if (getnameinfo((struct sockaddr *)&p->rtaddr,
p->rtaddr.sin6_len, host_buf, sizeof(host_buf), NULL, 0,
(nflag ? NI_NUMERICHOST : 0)) != 0)
strlcpy(host_buf, "?", sizeof(host_buf));
if (nflag)
paddr = host_buf;
else {
inet_ntop(AF_INET6, &p->rtaddr.sin6_addr, abuf, sizeof(abuf));
paddr = abuf;
}
printf("%s if=%s", host_buf,
xo_open_instance("router-list");
xo_emit("{:hostname/%s}{e:address/%s} if={:interface/%s}",
host_buf, paddr,
if_indextoname(p->if_index, ifix_buf));
printf(", flags=%s%s",
p->flags & ND_RA_FLAG_MANAGED ? "M" : "",
p->flags & ND_RA_FLAG_OTHER ? "O" : "");
xo_open_list("flags_pretty");
char rflags[6] = {}, *pflags = rflags;
if (p->flags & ND_RA_FLAG_MANAGED) {
*pflags++ = 'M';
xo_emit("{el:%s}", "managed");
}
if (p->flags & ND_RA_FLAG_OTHER) {
*pflags++ = 'O';
xo_emit("{el:%s}", "other");
}
#ifdef DRAFT_IETF_6MAN_IPV6ONLY_FLAG
printf("%s", p->flags & ND_RA_FLAG_IPV6_ONLY ? "S" : "");
if (p->flags & ND_RA_FLAG_IPV6_ONLY) {
*pflags++ = 'S';
xo_emit("{el:%s}", "ipv6only");
}
#endif
xo_close_list("flags_pretty");
xo_emit(", flags={:flags/%s}", rflags);
rtpref = ((p->flags & ND_RA_FLAG_RTPREF_MASK) >> 3) & 0xff;
printf(", pref=%s", rtpref_str[rtpref]);
xo_emit(", pref={:preference/%s}", rtpref_str[rtpref]);
gettimeofday(&now, 0);
if (p->expire == 0)
printf(", expire=Never\n");
xo_emit(", expire=Never\n{en:permanent/true}");
else
printf(", expire=%s\n",
sec2str(p->expire - now.tv_sec));
xo_emit("{d:/, expire=%s\n}{e:expires_sec/%ld}",
sec2str(p->expire - now.tv_sec),
(long)p->expire - now.tv_sec);
xo_close_instance("router-list");
}
free(buf);
xo_close_list("router-list");
}
static void
@ -1116,64 +1191,88 @@ plist()
char namebuf[NI_MAXHOST];
if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), NULL, &l, NULL, 0) < 0) {
err(1, "sysctl(ICMPV6CTL_ND6_PRLIST)");
xo_err(1, "sysctl(ICMPV6CTL_ND6_PRLIST)");
/*NOTREACHED*/
}
buf = malloc(l);
if (!buf) {
err(1, "malloc");
xo_err(1, "malloc");
/*NOTREACHED*/
}
if (sysctl(mib, sizeof(mib) / sizeof(mib[0]), buf, &l, NULL, 0) < 0) {
err(1, "sysctl(ICMPV6CTL_ND6_PRLIST)");
xo_err(1, "sysctl(ICMPV6CTL_ND6_PRLIST)");
/*NOTREACHED*/
}
xo_open_list("prefix-list");
ep = (struct in6_prefix *)(buf + l);
for (p = (struct in6_prefix *)buf; p < ep; p = n) {
advrtr = (struct sockaddr_in6 *)(p + 1);
n = (struct in6_prefix *)&advrtr[p->advrtrs];
xo_open_instance("prefix-list");
if (getnameinfo((struct sockaddr *)&p->prefix,
p->prefix.sin6_len, namebuf, sizeof(namebuf),
NULL, 0, niflags) != 0)
strlcpy(namebuf, "?", sizeof(namebuf));
printf("%s/%d if=%s\n", namebuf, p->prefixlen,
if_indextoname(p->if_index, ifix_buf));
xo_emit("{:prefix/%s%s%d} if={:interface/%s}\n", namebuf, "/",
p->prefixlen, if_indextoname(p->if_index, ifix_buf));
gettimeofday(&now, 0);
/*
* meaning of fields, especially flags, is very different
* by origin. notify the difference to the users.
*/
printf("flags=%s%s%s%s%s",
p->raflags.onlink ? "L" : "",
p->raflags.autonomous ? "A" : "",
(p->flags & NDPRF_ONLINK) != 0 ? "O" : "",
(p->flags & NDPRF_DETACHED) != 0 ? "D" : "",
char flags[10] = {}, *pflags = flags;
xo_open_list("flags_pretty");
if (p->raflags.onlink) {
*pflags++ = 'L';
xo_emit("{el:%s}", "ra_onlink");
}
if (p->raflags.autonomous) {
*pflags++ = 'A';
xo_emit("{el:%s}", "ra_autonomous");
}
if (p->flags & NDPRF_ONLINK) {
*pflags++ = 'O';
xo_emit("{el:%s}", "is_onlink");
}
if (p->flags & NDPRF_DETACHED) {
*pflags++ = 'D';
xo_emit("{el:%s}", "is_detached");
}
#ifdef NDPRF_HOME
(p->flags & NDPRF_HOME) != 0 ? "H" : ""
#else
""
if (p->flags & NDPRF_HOME) {
*pflags++ = 'H';
xo_emit("{el:%s}", "is_home");
}
#endif
);
xo_close_list("flags_pretty");
xo_emit("flags={:flags/%s}", flags);
int expire_in = p->expire - now.tv_sec;
if (p->vltime == ND6_INFINITE_LIFETIME)
printf(" vltime=infinity");
xo_emit(" vltime=infinity{e:valid-lifetime/%lu}",
(unsigned long)p->vltime);
else
printf(" vltime=%lu", (unsigned long)p->vltime);
xo_emit(" vltime={:valid-lifetime/%lu}",
(unsigned long)p->vltime);
if (p->pltime == ND6_INFINITE_LIFETIME)
printf(", pltime=infinity");
xo_emit(", pltime=infinity{e:preferred-lifetime/%lu}",
(unsigned long)p->pltime);
else
printf(", pltime=%lu", (unsigned long)p->pltime);
xo_emit(", pltime={:preferred-lifetime/%lu}",
(unsigned long)p->pltime);
if (p->expire == 0)
printf(", expire=Never");
xo_emit(", expire=Never{en:permanent/true}");
else if (p->expire >= now.tv_sec)
printf(", expire=%s",
sec2str(p->expire - now.tv_sec));
xo_emit(", expire=%s{e:expires_sec/%d}",
sec2str(expire_in), expire_in);
else
printf(", expired");
printf(", ref=%d", p->refcnt);
printf("\n");
xo_emit(", expired{e:expires_sec/%d}", expire_in);
xo_emit(", ref={:refcount/%d}", p->refcnt);
xo_emit("\n");
/*
* "advertising router" list is meaningful only if the prefix
* information is from RA.
@ -1183,37 +1282,51 @@ plist()
struct sockaddr_in6 *sin6;
sin6 = advrtr;
printf(" advertised by\n");
xo_emit(" advertised by\n");
xo_open_list("advertising-routers");
for (j = 0; j < p->advrtrs; j++) {
struct in6_nbrinfo *nbi;
xo_open_instance("advertising-routers");
if (getnameinfo((struct sockaddr *)sin6,
sin6->sin6_len, namebuf, sizeof(namebuf),
NULL, 0, ninflags) != 0)
strlcpy(namebuf, "?", sizeof(namebuf));
printf(" %s", namebuf);
char abuf[INET6_ADDRSTRLEN];
inet_ntop(AF_INET6, &sin6->sin6_addr, abuf,
sizeof(abuf));
xo_emit(" {:hostname/%s}{e:address/%s}",
namebuf, abuf);
nbi = getnbrinfo(&sin6->sin6_addr,
p->if_index, 0);
const char *state = "";
if (nbi) {
switch (nbi->state) {
case ND6_LLINFO_REACHABLE:
case ND6_LLINFO_STALE:
case ND6_LLINFO_DELAY:
case ND6_LLINFO_PROBE:
printf(" (reachable)\n");
state = "reachable";
break;
default:
printf(" (unreachable)\n");
state = "unreachable";
}
} else
printf(" (no neighbor state)\n");
state = "no neighbor state";
xo_emit(" ({:state/%s})\n", state);
sin6++;
xo_close_instance("advertising-routers");
}
xo_close_list("advertising-routers");
} else
printf(" No advertising router\n");
xo_emit(" No advertising router\n");
xo_close_instance("prefix-list");
}
free(buf);
xo_close_list("prefix-list");
}
static void
@ -1223,10 +1336,10 @@ pfx_flush()
int sock;
if ((sock = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
err(1, "socket");
xo_err(1, "socket");
strlcpy(dummyif, "lo0", sizeof(dummyif)); /* dummy */
if (ioctl(sock, SIOCSPFXFLUSH_IN6, (caddr_t)&dummyif) < 0)
err(1, "ioctl(SIOCSPFXFLUSH_IN6)");
xo_err(1, "ioctl(SIOCSPFXFLUSH_IN6)");
close(sock);
}
@ -1238,10 +1351,10 @@ rtr_flush()
int sock;
if ((sock = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
err(1, "socket");
xo_err(1, "socket");
strlcpy(dummyif, "lo0", sizeof(dummyif)); /* dummy */
if (ioctl(sock, SIOCSRTRFLUSH_IN6, (caddr_t)&dummyif) < 0)
err(1, "ioctl(SIOCSRTRFLUSH_IN6)");
xo_err(1, "ioctl(SIOCSRTRFLUSH_IN6)");
close(sock);
}
@ -1253,10 +1366,10 @@ harmonize_rtr()
int sock;
if ((sock = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
err(1, "socket");
xo_err(1, "socket");
strlcpy(dummyif, "lo0", sizeof(dummyif)); /* dummy */
if (ioctl(sock, SIOCSNDFLUSH_IN6, (caddr_t)&dummyif) < 0)
err(1, "ioctl(SIOCSNDFLUSH_IN6)");
xo_err(1, "ioctl(SIOCSNDFLUSH_IN6)");
close(sock);
}
@ -1273,17 +1386,17 @@ setdefif(char *ifname)
ifindex = 0;
else {
if ((ifindex = if_nametoindex(ifname)) == 0)
err(1, "failed to resolve i/f index for %s", ifname);
xo_err(1, "failed to resolve i/f index for %s", ifname);
}
if ((sock = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
err(1, "socket");
xo_err(1, "socket");
strlcpy(ndifreq.ifname, "lo0", sizeof(ndifreq.ifname)); /* dummy */
ndifreq.ifindex = ifindex;
if (ioctl(sock, SIOCSDEFIFACE_IN6, (caddr_t)&ndifreq) < 0)
err(1, "ioctl(SIOCSDEFIFACE_IN6)");
xo_err(1, "ioctl(SIOCSDEFIFACE_IN6)");
close(sock);
}
@ -1296,21 +1409,21 @@ getdefif()
int sock;
if ((sock = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
err(1, "socket");
xo_err(1, "socket");
memset(&ndifreq, 0, sizeof(ndifreq));
strlcpy(ndifreq.ifname, "lo0", sizeof(ndifreq.ifname)); /* dummy */
if (ioctl(sock, SIOCGDEFIFACE_IN6, (caddr_t)&ndifreq) < 0)
err(1, "ioctl(SIOCGDEFIFACE_IN6)");
xo_err(1, "ioctl(SIOCGDEFIFACE_IN6)");
if (ndifreq.ifindex == 0)
printf("No default interface.\n");
xo_emit("No default interface.\n");
else {
if ((if_indextoname(ndifreq.ifindex, ifname)) == NULL)
err(1, "failed to resolve ifname for index %lu",
xo_err(1, "failed to resolve ifname for index %lu",
ndifreq.ifindex);
printf("ND default interface = %s\n", ifname);
xo_emit("ND default interface = {:default-interface/%s}\n", ifname);
}
close(sock);
@ -1369,7 +1482,8 @@ ts_print(const struct timeval *tvp)
/* Default */
sec = (tvp->tv_sec + thiszone) % 86400;
(void)printf("%02d:%02d:%02d.%06u ",
xo_emit("{:tv_sec/%lld}{:tv_usec/%lld}%02d:%02d:%02d.%06u ",
tvp->tv_sec, tvp->tv_usec,
sec / 3600, (sec % 3600) / 60, sec % 60, (u_int32_t)tvp->tv_usec);
}