OpenBSD-4.6/usr.sbin/ospf6ctl/ospf6ctl.c
/* $OpenBSD: ospf6ctl.c,v 1.27 2009/06/06 09:02:46 eric Exp $ */
/*
* Copyright (c) 2005 Claudio Jeker <claudio@openbsd.org>
* Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
* Copyright (c) 2003 Henning Brauer <henning@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <net/if_media.h>
#include <net/if_types.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "ospf6.h"
#include "ospf6d.h"
#include "ospfe.h"
#include "parser.h"
#include "log.h"
__dead void usage(void);
int show_summary_msg(struct imsg *);
int get_ifms_type(int);
int show_interface_msg(struct imsg *);
int show_interface_detail_msg(struct imsg *);
const char *print_link(int);
const char *fmt_timeframe(time_t t);
const char *fmt_timeframe_core(time_t t);
const char *log_id(u_int32_t );
const char *log_adv_rtr(u_int32_t);
void show_database_head(struct in_addr, char *, u_int16_t);
int show_database_msg(struct imsg *);
char *print_ls_type(u_int16_t);
void show_db_hdr_msg_detail(struct lsa_hdr *);
char *print_rtr_link_type(u_int8_t);
const char *print_ospf_flags(u_int8_t);
int show_db_msg_detail(struct imsg *imsg);
int show_nbr_msg(struct imsg *);
const char *print_ospf_options(u_int32_t);
int show_nbr_detail_msg(struct imsg *);
int show_rib_msg(struct imsg *);
void show_rib_head(struct in_addr, u_int8_t, u_int8_t);
const char *print_ospf_rtr_flags(u_int8_t);
int show_rib_detail_msg(struct imsg *);
void show_fib_head(void);
int show_fib_msg(struct imsg *);
const char * get_media_descr(int);
const char * get_linkstate(int, int);
void print_baudrate(u_int64_t);
struct imsgbuf *ibuf;
__dead void
usage(void)
{
extern char *__progname;
fprintf(stderr, "usage: %s command [argument ...]\n", __progname);
exit(1);
}
int
main(int argc, char *argv[])
{
struct sockaddr_un sun;
struct parse_result *res;
struct imsg imsg;
unsigned int ifidx = 0;
int ctl_sock;
int done = 0;
int n;
/* parse options */
if ((res = parse(argc - 1, argv + 1)) == NULL)
exit(1);
/* connect to ospf6d control socket */
if ((ctl_sock = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
err(1, "socket");
bzero(&sun, sizeof(sun));
sun.sun_family = AF_UNIX;
strlcpy(sun.sun_path, OSPF6D_SOCKET, sizeof(sun.sun_path));
if (connect(ctl_sock, (struct sockaddr *)&sun, sizeof(sun)) == -1)
err(1, "connect: %s", OSPF6D_SOCKET);
if ((ibuf = malloc(sizeof(struct imsgbuf))) == NULL)
err(1, NULL);
imsg_init(ibuf, ctl_sock);
done = 0;
/* process user request */
switch (res->action) {
case NONE:
usage();
/* not reached */
case SHOW:
case SHOW_SUM:
imsg_compose(ibuf, IMSG_CTL_SHOW_SUM, 0, 0, -1, NULL, 0);
break;
case SHOW_IFACE:
printf("%-11s %-29s %-6s %-10s %-10s %-8s\n",
"Interface", "Address", "State", "HelloTimer", "Linkstate",
"Uptime");
/*FALLTHROUGH*/
case SHOW_IFACE_DTAIL:
if (*res->ifname) {
ifidx = if_nametoindex(res->ifname);
if (ifidx == 0)
errx(1, "no such interface %s", res->ifname);
}
imsg_compose(ibuf, IMSG_CTL_SHOW_INTERFACE, 0, 0, -1,
&ifidx, sizeof(ifidx));
break;
case SHOW_NBR:
printf("%-15s %-3s %-12s %-9s %-11s %s\n", "ID", "Pri",
"State", "DeadTime", "Iface","Uptime");
/*FALLTHROUGH*/
case SHOW_NBR_DTAIL:
imsg_compose(ibuf, IMSG_CTL_SHOW_NBR, 0, 0, -1, NULL, 0);
break;
case SHOW_DB:
imsg_compose(ibuf, IMSG_CTL_SHOW_DATABASE, 0, 0, -1, NULL, 0);
break;
case SHOW_DBBYAREA:
imsg_compose(ibuf, IMSG_CTL_SHOW_DATABASE, 0, 0, -1,
&res->addr, sizeof(res->addr));
break;
case SHOW_DBEXT:
imsg_compose(ibuf, IMSG_CTL_SHOW_DB_EXT, 0, 0, -1, NULL, 0);
break;
case SHOW_DBLINK:
imsg_compose(ibuf, IMSG_CTL_SHOW_DB_LINK, 0, 0, -1, NULL, 0);
break;
case SHOW_DBNET:
imsg_compose(ibuf, IMSG_CTL_SHOW_DB_NET, 0, 0, -1, NULL, 0);
break;
case SHOW_DBRTR:
imsg_compose(ibuf, IMSG_CTL_SHOW_DB_RTR, 0, 0, -1, NULL, 0);
break;
case SHOW_DBINTRA:
imsg_compose(ibuf, IMSG_CTL_SHOW_DB_INTRA, 0, 0, -1, NULL, 0);
break;
case SHOW_DBSELF:
imsg_compose(ibuf, IMSG_CTL_SHOW_DB_SELF, 0, 0, -1, NULL, 0);
break;
case SHOW_DBSUM:
imsg_compose(ibuf, IMSG_CTL_SHOW_DB_SUM, 0, 0, -1, NULL, 0);
break;
case SHOW_DBASBR:
imsg_compose(ibuf, IMSG_CTL_SHOW_DB_ASBR, 0, 0, -1, NULL, 0);
break;
case SHOW_RIB:
printf("%-20s %-17s %-12s %-9s %-7s %-8s\n", "Destination",
"Nexthop", "Path Type", "Type", "Cost", "Uptime");
/*FALLTHROUGH*/
case SHOW_RIB_DTAIL:
imsg_compose(ibuf, IMSG_CTL_SHOW_RIB, 0, 0, -1, NULL, 0);
break;
case SHOW_FIB:
if (IN6_IS_ADDR_UNSPECIFIED(&res->addr))
imsg_compose(ibuf, IMSG_CTL_KROUTE, 0, 0, -1,
&res->flags, sizeof(res->flags));
else
imsg_compose(ibuf, IMSG_CTL_KROUTE_ADDR, 0, 0, -1,
&res->addr, sizeof(res->addr));
show_fib_head();
break;
case FIB:
errx(1, "fib couple|decouple");
break;
case FIB_COUPLE:
imsg_compose(ibuf, IMSG_CTL_FIB_COUPLE, 0, 0, -1, NULL, 0);
printf("couple request sent.\n");
done = 1;
break;
case FIB_DECOUPLE:
imsg_compose(ibuf, IMSG_CTL_FIB_DECOUPLE, 0, 0, -1, NULL, 0);
printf("decouple request sent.\n");
done = 1;
break;
case RELOAD:
imsg_compose(ibuf, IMSG_CTL_RELOAD, 0, 0, -1, NULL, 0);
printf("reload request sent.\n");
done = 1;
break;
}
while (ibuf->w.queued)
if (msgbuf_write(&ibuf->w) < 0)
err(1, "write error");
while (!done) {
if ((n = imsg_read(ibuf)) == -1)
errx(1, "imsg_read error");
if (n == 0)
errx(1, "pipe closed");
while (!done) {
if ((n = imsg_get(ibuf, &imsg)) == -1)
errx(1, "imsg_get error");
if (n == 0)
break;
switch (res->action) {
case SHOW:
case SHOW_SUM:
done = show_summary_msg(&imsg);
break;
case SHOW_IFACE:
done = show_interface_msg(&imsg);
break;
case SHOW_IFACE_DTAIL:
done = show_interface_detail_msg(&imsg);
break;
case SHOW_NBR:
done = show_nbr_msg(&imsg);
break;
case SHOW_NBR_DTAIL:
done = show_nbr_detail_msg(&imsg);
break;
case SHOW_DB:
case SHOW_DBBYAREA:
case SHOW_DBSELF:
done = show_database_msg(&imsg);
break;
case SHOW_DBEXT:
case SHOW_DBLINK:
case SHOW_DBNET:
case SHOW_DBRTR:
case SHOW_DBINTRA:
case SHOW_DBSUM:
case SHOW_DBASBR:
done = show_db_msg_detail(&imsg);
break;
case SHOW_RIB:
done = show_rib_msg(&imsg);
break;
case SHOW_RIB_DTAIL:
done = show_rib_detail_msg(&imsg);
break;
case SHOW_FIB:
done = show_fib_msg(&imsg);
break;
case NONE:
case FIB:
case FIB_COUPLE:
case FIB_DECOUPLE:
case RELOAD:
break;
}
imsg_free(&imsg);
}
}
close(ctl_sock);
free(ibuf);
return (0);
}
int
show_summary_msg(struct imsg *imsg)
{
struct ctl_sum *sum;
struct ctl_sum_area *sumarea;
switch (imsg->hdr.type) {
case IMSG_CTL_SHOW_SUM:
sum = imsg->data;
printf("Router ID: %s\n", inet_ntoa(sum->rtr_id));
printf("Uptime: %s\n", fmt_timeframe_core(sum->uptime));
printf("SPF delay is %d sec(s), hold time between two SPFs "
"is %d sec(s)\n", sum->spf_delay, sum->spf_hold_time);
printf("Number of external LSA(s) %d\n", sum->num_ext_lsa);
printf("Number of areas attached to this router: %d\n",
sum->num_area);
break;
case IMSG_CTL_SHOW_SUM_AREA:
sumarea = imsg->data;
printf("\nArea ID: %s\n", inet_ntoa(sumarea->area));
printf(" Number of interfaces in this area: %d\n",
sumarea->num_iface);
printf(" Number of fully adjacent neighbors in this "
"area: %d\n", sumarea->num_adj_nbr);
printf(" SPF algorithm executed %d time(s)\n",
sumarea->num_spf_calc);
printf(" Number LSA(s) %d\n", sumarea->num_lsa);
break;
case IMSG_CTL_END:
printf("\n");
return (1);
default:
break;
}
return (0);
}
int
get_ifms_type(int mediatype)
{
switch (mediatype) {
case IFT_ETHER:
return (IFM_ETHER);
case IFT_FDDI:
return (IFM_FDDI);
case IFT_CARP:
return (IFM_CARP);
case IFT_PPP:
return (IFM_TDM);
default:
return (0);
}
}
int
show_interface_msg(struct imsg *imsg)
{
struct ctl_iface *iface;
char *netid;
switch (imsg->hdr.type) {
case IMSG_CTL_SHOW_INTERFACE:
iface = imsg->data;
if (asprintf(&netid, "%s", log_in6addr(&iface->addr)) == -1)
err(1, NULL);
printf("%-11s %-29s %-6s %-10s %-10s %s\n",
iface->name, netid, if_state_name(iface->state),
fmt_timeframe_core(iface->hello_timer),
get_linkstate(get_ifms_type(iface->mediatype),
iface->linkstate), fmt_timeframe_core(iface->uptime));
free(netid);
break;
case IMSG_CTL_END:
printf("\n");
return (1);
default:
break;
}
return (0);
}
int
show_interface_detail_msg(struct imsg *imsg)
{
struct ctl_iface *iface;
switch (imsg->hdr.type) {
case IMSG_CTL_SHOW_INTERFACE:
iface = imsg->data;
printf("\n");
printf("Interface %s, line protocol is %s\n",
iface->name, print_link(iface->flags));
printf(" Internet address %s Area %s\n",
log_in6addr(&iface->addr), inet_ntoa(iface->area));
printf(" Link type %s, state %s",
get_media_descr(get_ifms_type(iface->mediatype)),
get_linkstate(get_ifms_type(iface->mediatype),
iface->linkstate));
if (iface->linkstate != LINK_STATE_DOWN &&
iface->baudrate > 0) {
printf(", ");
print_baudrate(iface->baudrate);
}
printf("\n");
printf(" Router ID %s, network type %s, cost: %d\n",
inet_ntoa(iface->rtr_id),
if_type_name(iface->type), iface->metric);
printf(" Transmit delay is %d sec(s), state %s, priority %d\n",
iface->transmit_delay, if_state_name(iface->state),
iface->priority);
printf(" Designated Router (ID) %s\n",
inet_ntoa(iface->dr_id));
printf(" Interface address %s\n",
log_in6addr(&iface->dr_addr));
printf(" Backup Designated Router (ID) %s\n",
inet_ntoa(iface->bdr_id));
printf(" Interface address %s\n",
log_in6addr(&iface->bdr_addr));
printf(" Timer intervals configured, "
"hello %d, dead %d, wait %d, retransmit %d\n",
iface->hello_interval, iface->dead_interval,
iface->dead_interval, iface->rxmt_interval);
if (iface->passive)
printf(" Passive interface (No Hellos)\n");
else if (iface->hello_timer < 0)
printf(" Hello timer not running\n");
else
printf(" Hello timer due in %s\n",
fmt_timeframe_core(iface->hello_timer));
printf(" Uptime %s\n", fmt_timeframe_core(iface->uptime));
printf(" Neighbor count is %d, adjacent neighbor count is "
"%d\n", iface->nbr_cnt, iface->adj_cnt);
break;
case IMSG_CTL_END:
printf("\n");
return (1);
default:
break;
}
return (0);
}
const char *
print_link(int state)
{
if (state & IFF_UP)
return ("UP");
else
return ("DOWN");
}
#define TF_BUFS 8
#define TF_LEN 9
const char *
fmt_timeframe(time_t t)
{
if (t == 0)
return ("Never");
else
return (fmt_timeframe_core(time(NULL) - t));
}
const char *
fmt_timeframe_core(time_t t)
{
char *buf;
static char tfbuf[TF_BUFS][TF_LEN]; /* ring buffer */
static int idx = 0;
unsigned int sec, min, hrs, day, week;
if (t == 0)
return ("00:00:00");
buf = tfbuf[idx++];
if (idx == TF_BUFS)
idx = 0;
week = t;
sec = week % 60;
week /= 60;
min = week % 60;
week /= 60;
hrs = week % 24;
week /= 24;
day = week % 7;
week /= 7;
if (week > 0)
snprintf(buf, TF_LEN, "%02uw%01ud%02uh", week, day, hrs);
else if (day > 0)
snprintf(buf, TF_LEN, "%01ud%02uh%02um", day, hrs, min);
else
snprintf(buf, TF_LEN, "%02u:%02u:%02u", hrs, min, sec);
return (buf);
}
const char *
log_id(u_int32_t id)
{
static char buf[48];
struct in_addr addr;
addr.s_addr = id;
if (inet_ntop(AF_INET, &addr, buf, sizeof(buf)) == NULL)
return ("?");
else
return (buf);
}
const char *
log_adv_rtr(u_int32_t adv_rtr)
{
static char buf[48];
struct in_addr addr;
addr.s_addr = adv_rtr;
if (inet_ntop(AF_INET, &addr, buf, sizeof(buf)) == NULL)
return ("?");
else
return (buf);
}
void
show_database_head(struct in_addr aid, char *ifname, u_int16_t type)
{
char *header, *format;
int cleanup = 0;
switch (ntohs(type)) {
case LSA_TYPE_LINK:
format = "Link (Type-8) Link States";
break;
case LSA_TYPE_ROUTER:
format = "Router Link States";
break;
case LSA_TYPE_NETWORK:
format = "Net Link States";
break;
case LSA_TYPE_INTER_A_PREFIX:
format = "Inter Area Prefix Link States";
break;
case LSA_TYPE_INTER_A_ROUTER:
format = "Inter Area Router Link States";
break;
case LSA_TYPE_INTRA_A_PREFIX:
format = "Intra Area Prefix Link States";
break;
case LSA_TYPE_EXTERNAL:
printf("\n%-15s %s\n\n", "", "Type-5 AS External Link States");
return;
default:
if (asprintf(&format, "LSA type %x", ntohs(type)) == -1)
err(1, NULL);
cleanup = 1;
break;
}
if (LSA_IS_SCOPE_AREA(ntohs(type))) {
if (asprintf(&header, "%s (Area %s)", format,
inet_ntoa(aid)) == -1)
err(1, NULL);
} else if (LSA_IS_SCOPE_LLOCAL(ntohs(type))) {
if (asprintf(&header, "%s (Area %s Interface %s)", format,
inet_ntoa(aid), ifname) == -1)
err(1, NULL);
}
printf("\n%-15s %s\n\n", "", header);
free(header);
if (cleanup)
free(format);
}
int
show_database_msg(struct imsg *imsg)
{
static struct in_addr area_id;
static u_int16_t lasttype;
static char ifname[IF_NAMESIZE];
struct area *area;
struct iface *iface;
struct lsa_hdr *lsa;
switch (imsg->hdr.type) {
case IMSG_CTL_SHOW_DATABASE:
case IMSG_CTL_SHOW_DB_SELF:
lsa = imsg->data;
if (lsa->type != lasttype) {
show_database_head(area_id, ifname, lsa->type);
printf("%-15s %-15s %-4s %-10s %-8s\n", "Link ID",
"Adv Router", "Age", "Seq#", "Checksum");
}
printf("%-15s %-15s %-4d 0x%08x 0x%04x\n",
log_id(lsa->ls_id), log_adv_rtr(lsa->adv_rtr),
ntohs(lsa->age), ntohl(lsa->seq_num),
ntohs(lsa->ls_chksum));
lasttype = lsa->type;
break;
case IMSG_CTL_AREA:
area = imsg->data;
area_id = area->id;
lasttype = 0;
break;
case IMSG_CTL_IFACE:
iface = imsg->data;
strlcpy(ifname, iface->name, sizeof(ifname));
lasttype = 0;
break;
case IMSG_CTL_END:
printf("\n");
return (1);
default:
break;
}
return (0);
}
char *
print_ls_type(u_int16_t type)
{
switch (ntohs(type)) {
case LSA_TYPE_LINK:
return ("Link");
case LSA_TYPE_ROUTER:
return ("Router");
case LSA_TYPE_NETWORK:
return ("Network");
case LSA_TYPE_INTER_A_PREFIX:
return ("Inter Area (Prefix)");
case LSA_TYPE_INTER_A_ROUTER:
return ("Inter Area (Router)");
case LSA_TYPE_INTRA_A_PREFIX:
return ("Intra Area (Prefix)");
case LSA_TYPE_EXTERNAL:
return ("AS External");
default:
return ("Unknown");
}
}
void
show_db_hdr_msg_detail(struct lsa_hdr *lsa)
{
printf("LS age: %d\n", ntohs(lsa->age));
printf("LS Type: %s\n", print_ls_type(lsa->type));
switch (ntohs(lsa->type)) {
case LSA_TYPE_ROUTER:
case LSA_TYPE_INTER_A_PREFIX:
case LSA_TYPE_INTER_A_ROUTER:
case LSA_TYPE_INTRA_A_PREFIX:
case LSA_TYPE_EXTERNAL:
printf("Link State ID: %s\n", log_id(lsa->ls_id));
break;
case LSA_TYPE_LINK:
printf("Link State ID: %s (Interface ID of Advertising "
"Router)\n", log_id(lsa->ls_id));
break;
case LSA_TYPE_NETWORK:
printf("Link State ID: %s (Interface ID of Designated "
"Router)\n", log_id(lsa->ls_id));
break;
}
printf("Advertising Router: %s\n", log_adv_rtr(lsa->adv_rtr));
printf("LS Seq Number: 0x%08x\n", ntohl(lsa->seq_num));
printf("Checksum: 0x%04x\n", ntohs(lsa->ls_chksum));
printf("Length: %d\n", ntohs(lsa->len));
}
char *
print_rtr_link_type(u_int8_t type)
{
switch (type) {
case LINK_TYPE_POINTTOPOINT:
return ("Point-to-Point");
case LINK_TYPE_TRANSIT_NET:
return ("Transit Network");
case LINK_TYPE_RESERVED:
return ("Reserved");
case LINK_TYPE_VIRTUAL:
return ("Virtual Link");
default:
return ("Unknown");
}
}
const char *
print_ospf_flags(u_int8_t opts)
{
static char optbuf[32];
snprintf(optbuf, sizeof(optbuf), "*|*|*|*|*|%s|%s|%s",
opts & OSPF_RTR_V ? "V" : "-",
opts & OSPF_RTR_E ? "E" : "-",
opts & OSPF_RTR_B ? "B" : "-");
return (optbuf);
}
int
show_db_msg_detail(struct imsg *imsg)
{
static struct in_addr area_id;
static char ifname[IF_NAMESIZE];
static u_int16_t lasttype;
struct in_addr addr, data;
struct area *area;
struct iface *iface;
struct lsa *lsa;
struct lsa_rtr_link *rtr_link;
struct lsa_net_link *net_link;
struct lsa_prefix *prefix;
struct lsa_asext *asext;
u_int16_t i, nlinks, off;
/* XXX sanity checks! */
switch (imsg->hdr.type) {
case IMSG_CTL_SHOW_DB_EXT:
lsa = imsg->data;
if (lsa->hdr.type != lasttype)
show_database_head(area_id, ifname, lsa->hdr.type);
show_db_hdr_msg_detail(&lsa->hdr);
addr.s_addr = lsa->data.asext.mask;
printf("Network Mask: %s\n", inet_ntoa(addr));
asext = (struct lsa_asext *)((char *)lsa + sizeof(lsa->hdr));
printf(" Metric type: ");
if (ntohl(lsa->data.asext.metric) & LSA_ASEXT_E_FLAG)
printf("2\n");
else
printf("1\n");
printf(" Metric: %d\n", ntohl(asext->metric)
& LSA_METRIC_MASK);
addr.s_addr = asext->fw_addr;
printf(" Forwarding Address: %s\n", inet_ntoa(addr));
printf(" External Route Tag: %d\n\n", ntohl(asext->ext_tag));
lasttype = lsa->hdr.type;
break;
case IMSG_CTL_SHOW_DB_LINK:
lsa = imsg->data;
if (lsa->hdr.type != lasttype)
show_database_head(area_id, ifname, lsa->hdr.type);
show_db_hdr_msg_detail(&lsa->hdr);
printf("Options: %s\n", print_ospf_options(LSA_24_GETLO(
ntohl(lsa->data.link.opts))));
printf("Link Local Address: %s\n",
log_in6addr(&lsa->data.link.lladdr));
nlinks = ntohl(lsa->data.link.numprefix);
printf("Number of Prefixes: %d\n", nlinks);
off = sizeof(lsa->hdr) + sizeof(struct lsa_link);
for (i = 0; i < nlinks; i++) {
struct in6_addr ia6;
prefix = (struct lsa_prefix *)((char *)lsa + off);
bzero(&ia6, sizeof(ia6));
bcopy(prefix + 1, &ia6,
LSA_PREFIXSIZE(prefix->prefixlen));
printf(" Prefix Address: %s\n", log_in6addr(&ia6));
printf(" Prefix Length: %d, Options: %x\n",
prefix->prefixlen, prefix->options);
off += sizeof(struct lsa_prefix)
+ LSA_PREFIXSIZE(prefix->prefixlen);
}
printf("\n");
lasttype = lsa->hdr.type;
break;
case IMSG_CTL_SHOW_DB_NET:
lsa = imsg->data;
if (lsa->hdr.type != lasttype)
show_database_head(area_id, ifname, lsa->hdr.type);
show_db_hdr_msg_detail(&lsa->hdr);
printf("Options: %s\n",
print_ospf_options(LSA_24_GETLO(ntohl(lsa->data.net.opts))));
nlinks = (ntohs(lsa->hdr.len) - sizeof(struct lsa_hdr) -
sizeof(struct lsa_net)) / sizeof(struct lsa_net_link);
net_link = (struct lsa_net_link *)((char *)lsa +
sizeof(lsa->hdr) + sizeof(lsa->data.net));
printf("Number of Routers: %d\n", nlinks);
for (i = 0; i < nlinks; i++) {
addr.s_addr = net_link->att_rtr;
printf(" Attached Router: %s\n", inet_ntoa(addr));
net_link++;
}
printf("\n");
lasttype = lsa->hdr.type;
break;
case IMSG_CTL_SHOW_DB_RTR:
lsa = imsg->data;
if (lsa->hdr.type != lasttype)
show_database_head(area_id, ifname, lsa->hdr.type);
show_db_hdr_msg_detail(&lsa->hdr);
printf("Flags: %s\n",
print_ospf_flags(LSA_24_GETHI(ntohl(lsa->data.rtr.opts))));
printf("Options: %s\n",
print_ospf_options(LSA_24_GETLO(ntohl(lsa->data.rtr.opts))));
nlinks = (ntohs(lsa->hdr.len) - sizeof(struct lsa_hdr)
- sizeof(u_int32_t)) / sizeof(struct lsa_rtr_link);
printf("Number of Links: %d\n", nlinks);
off = sizeof(lsa->hdr) + sizeof(struct lsa_rtr);
for (i = 0; i < nlinks; i++) {
rtr_link = (struct lsa_rtr_link *)((char *)lsa + off);
printf(" Link (Interface ID %s) connected to: %s\n",
log_id(rtr_link->iface_id),
print_rtr_link_type(rtr_link->type));
addr.s_addr = rtr_link->nbr_rtr_id;
data.s_addr = rtr_link->nbr_iface_id;
switch (rtr_link->type) {
case LINK_TYPE_POINTTOPOINT:
case LINK_TYPE_VIRTUAL:
printf(" Router ID: %s\n", inet_ntoa(addr));
printf(" Interface ID: %s\n",
inet_ntoa(data));
break;
case LINK_TYPE_TRANSIT_NET:
printf(" Designated Router ID: %s\n",
inet_ntoa(addr));
printf(" DR Interface ID: %s\n",
inet_ntoa(data));
break;
default:
printf(" Link ID (Unknown type %d): %s\n",
rtr_link->type, inet_ntoa(addr));
printf(" Link Data (Unknown): %s\n",
inet_ntoa(data));
break;
}
printf(" Metric: %d\n\n", ntohs(rtr_link->metric));
off += sizeof(struct lsa_rtr_link);
}
lasttype = lsa->hdr.type;
break;
case IMSG_CTL_SHOW_DB_INTRA:
lsa = imsg->data;
if (lsa->hdr.type != lasttype)
show_database_head(area_id, ifname, lsa->hdr.type);
show_db_hdr_msg_detail(&lsa->hdr);
printf("Referenced LS Type: %s\n",
print_ls_type(lsa->data.pref_intra.ref_type));
addr.s_addr = lsa->data.pref_intra.ref_lsid;
printf("Referenced Link State ID: %s\n", inet_ntoa(addr));
addr.s_addr = lsa->data.pref_intra.ref_adv_rtr;
printf("Referenced Advertising Router: %s\n", inet_ntoa(addr));
nlinks = ntohs(lsa->data.pref_intra.numprefix);
printf("Number of Prefixes: %d\n", nlinks);
off = sizeof(lsa->hdr) + sizeof(struct lsa_intra_prefix);
for (i = 0; i < nlinks; i++) {
struct in6_addr ia6;
prefix = (struct lsa_prefix *)((char *)lsa + off);
bzero(&ia6, sizeof(ia6));
bcopy(prefix + 1, &ia6,
LSA_PREFIXSIZE(prefix->prefixlen));
printf(" Prefix Address: %s\n", log_in6addr(&ia6));
printf(" Prefix Length: %d, Options: %x\n",
prefix->prefixlen, prefix->options);
off += sizeof(struct lsa_prefix)
+ LSA_PREFIXSIZE(prefix->prefixlen);
}
printf("\n");
lasttype = lsa->hdr.type;
break;
case IMSG_CTL_SHOW_DB_SUM:
lsa = imsg->data;
if (lsa->hdr.type != lasttype)
show_database_head(area_id, ifname, lsa->hdr.type);
show_db_hdr_msg_detail(&lsa->hdr);
printf("Prefix: XXX\n");
printf("Metric: %d\n", ntohl(lsa->data.pref_sum.metric) &
LSA_METRIC_MASK);
lasttype = lsa->hdr.type;
break;
case IMSG_CTL_SHOW_DB_ASBR:
lsa = imsg->data;
if (lsa->hdr.type != lasttype)
show_database_head(area_id, ifname, lsa->hdr.type);
show_db_hdr_msg_detail(&lsa->hdr);
addr.s_addr = lsa->data.rtr_sum.dest_rtr_id;
printf("Destination Router ID: %s\n", inet_ntoa(addr));
printf("Options: %s\n",
print_ospf_options(ntohl(lsa->data.rtr_sum.opts)));
printf("Metric: %d\n\n", ntohl(lsa->data.rtr_sum.metric) &
LSA_METRIC_MASK);
case IMSG_CTL_AREA:
area = imsg->data;
area_id = area->id;
lasttype = 0;
break;
case IMSG_CTL_IFACE:
iface = imsg->data;
strlcpy(ifname, iface->name, sizeof(ifname));
lasttype = 0;
break;
case IMSG_CTL_END:
return (1);
default:
break;
}
return (0);
}
int
show_nbr_msg(struct imsg *imsg)
{
struct ctl_nbr *nbr;
char *state;
switch (imsg->hdr.type) {
case IMSG_CTL_SHOW_NBR:
nbr = imsg->data;
if (asprintf(&state, "%s/%s", nbr_state_name(nbr->nbr_state),
if_state_name(nbr->iface_state)) == -1)
err(1, NULL);
printf("%-15s %-3d %-12s %-10s", inet_ntoa(nbr->id),
nbr->priority, state, fmt_timeframe_core(nbr->dead_timer));
printf("%-11s %s\n", nbr->name,
nbr->uptime == 0 ? "-" : fmt_timeframe_core(nbr->uptime));
free(state);
break;
case IMSG_CTL_END:
printf("\n");
return (1);
default:
break;
}
return (0);
}
const char *
print_ospf_options(u_int32_t opts)
{
static char optbuf[32];
snprintf(optbuf, sizeof(optbuf), "*|*|%s|%s|%s|*|%s|%s",
opts & OSPF_OPTION_DC ? "DC" : "-",
opts & OSPF_OPTION_R ? "R" : "-",
opts & OSPF_OPTION_N ? "N" : "-",
opts & OSPF_OPTION_E ? "E" : "-",
opts & OSPF_OPTION_V6 ? "V6" : "-");
return (optbuf);
}
int
show_nbr_detail_msg(struct imsg *imsg)
{
struct ctl_nbr *nbr;
switch (imsg->hdr.type) {
case IMSG_CTL_SHOW_NBR:
nbr = imsg->data;
printf("\nNeighbor %s, ", inet_ntoa(nbr->id));
printf("interface address %s\n", log_in6addr(&nbr->addr));
printf(" Area %s, interface %s\n", inet_ntoa(nbr->area),
nbr->name);
printf(" Neighbor priority is %d, "
"State is %s, %d state changes\n",
nbr->priority, nbr_state_name(nbr->nbr_state),
nbr->state_chng_cnt);
printf(" DR is %s, ", inet_ntoa(nbr->dr));
printf("BDR is %s\n", inet_ntoa(nbr->bdr));
printf(" Options %s\n", print_ospf_options(nbr->options));
printf(" Dead timer due in %s\n",
fmt_timeframe_core(nbr->dead_timer));
printf(" Uptime %s\n", fmt_timeframe_core(nbr->uptime));
printf(" Database Summary List %d\n", nbr->db_sum_lst_cnt);
printf(" Link State Request List %d\n", nbr->ls_req_lst_cnt);
printf(" Link State Retransmission List %d\n",
nbr->ls_retrans_lst_cnt);
break;
case IMSG_CTL_END:
printf("\n");
return (1);
default:
break;
}
return (0);
}
int
show_rib_msg(struct imsg *imsg)
{
struct ctl_rt *rt;
char *dstnet;
switch (imsg->hdr.type) {
case IMSG_CTL_SHOW_RIB:
rt = imsg->data;
switch (rt->d_type) {
case DT_NET:
if (asprintf(&dstnet, "%s/%d", log_in6addr(&rt->prefix),
rt->prefixlen) == -1)
err(1, NULL);
break;
case DT_RTR:
if (asprintf(&dstnet, "%s",
log_in6addr(&rt->prefix)) == -1)
err(1, NULL);
break;
default:
errx(1, "Invalid route type");
}
printf("%-20s %-17s %-12s %-9s %-7d %s\n", dstnet,
log_in6addr(&rt->nexthop), path_type_name(rt->p_type),
dst_type_name(rt->d_type), rt->cost,
rt->uptime == 0 ? "-" : fmt_timeframe_core(rt->uptime));
free(dstnet);
break;
case IMSG_CTL_END:
printf("\n");
return (1);
default:
break;
}
return (0);
}
void
show_rib_head(struct in_addr aid, u_int8_t d_type, u_int8_t p_type)
{
char *header, *format, *format2;
switch (p_type) {
case PT_INTRA_AREA:
case PT_INTER_AREA:
switch (d_type) {
case DT_NET:
format = "Network Routing Table";
format2 = "";
break;
case DT_RTR:
format = "Router Routing Table";
format2 = "Type";
break;
default:
errx(1, "unknown route type");
}
break;
case PT_TYPE1_EXT:
case PT_TYPE2_EXT:
format = NULL;
format2 = "Cost 2";
if ((header = strdup("External Routing Table")) == NULL)
err(1, NULL);
break;
default:
errx(1, "unknown route type");
}
if (p_type != PT_TYPE1_EXT && p_type != PT_TYPE2_EXT)
if (asprintf(&header, "%s (Area %s)", format,
inet_ntoa(aid)) == -1)
err(1, NULL);
printf("\n%-18s %s\n", "", header);
free(header);
printf("\n%-18s %-15s %-15s %-12s %-7s %-7s\n", "Destination",
"Nexthop", "Adv Router", "Path type", "Cost", format2);
}
const char *
print_ospf_rtr_flags(u_int8_t opts)
{
static char optbuf[32];
snprintf(optbuf, sizeof(optbuf), "%s%s%s",
opts & OSPF_RTR_E ? "AS" : "",
opts & OSPF_RTR_E && opts & OSPF_RTR_B ? "+" : "",
opts & OSPF_RTR_B ? "ABR" : "");
return (optbuf);
}
int
show_rib_detail_msg(struct imsg *imsg)
{
static struct in_addr area_id;
struct ctl_rt *rt;
struct area *area;
char *dstnet;
static u_int8_t lasttype;
switch (imsg->hdr.type) {
case IMSG_CTL_SHOW_RIB:
rt = imsg->data;
switch (rt->p_type) {
case PT_INTRA_AREA:
case PT_INTER_AREA:
switch (rt->d_type) {
case DT_NET:
if (lasttype != RIB_NET)
show_rib_head(rt->area, rt->d_type,
rt->p_type);
if (asprintf(&dstnet, "%s/%d",
log_in6addr(&rt->prefix),
rt->prefixlen) == -1)
err(1, NULL);
lasttype = RIB_NET;
break;
case DT_RTR:
if (lasttype != RIB_RTR)
show_rib_head(rt->area, rt->d_type,
rt->p_type);
if (asprintf(&dstnet, "%s",
log_in6addr(&rt->prefix)) == -1)
err(1, NULL);
lasttype = RIB_RTR;
break;
default:
errx(1, "unknown route type");
}
printf("%-18s %-15s ", dstnet,
log_in6addr(&rt->nexthop));
printf("%-15s %-12s %-7d", inet_ntoa(rt->adv_rtr),
path_type_name(rt->p_type), rt->cost);
free(dstnet);
if (rt->d_type == DT_RTR)
printf(" %-7s",
print_ospf_rtr_flags(rt->flags));
printf("\n");
break;
case PT_TYPE1_EXT:
case PT_TYPE2_EXT:
if (lasttype != RIB_EXT)
show_rib_head(rt->area, rt->d_type, rt->p_type);
if (asprintf(&dstnet, "%s/%d",
log_in6addr(&rt->prefix), rt->prefixlen) == -1)
err(1, NULL);
printf("%-18s %-15s ", dstnet,
log_in6addr(&rt->nexthop));
printf("%-15s %-12s %-7d %-7d\n",
inet_ntoa(rt->adv_rtr), path_type_name(rt->p_type),
rt->cost, rt->cost2);
free(dstnet);
lasttype = RIB_EXT;
break;
default:
errx(1, "unknown route type");
}
break;
case IMSG_CTL_AREA:
area = imsg->data;
area_id = area->id;
break;
case IMSG_CTL_END:
printf("\n");
return (1);
default:
break;
}
return (0);
}
void
show_fib_head(void)
{
printf("flags: * = valid, O = OSPF, C = Connected, S = Static\n");
printf("%-6s %-20s %-17s\n", "Flags", "Destination", "Nexthop");
}
int
show_fib_msg(struct imsg *imsg)
{
struct kroute *k;
char *p;
switch (imsg->hdr.type) {
case IMSG_CTL_KROUTE:
if (imsg->hdr.len < IMSG_HEADER_SIZE + sizeof(struct kroute))
errx(1, "wrong imsg len");
k = imsg->data;
if (k->flags & F_DOWN)
printf(" ");
else
printf("*");
if (!(k->flags & F_KERNEL))
printf("O");
else if (k->flags & F_CONNECTED)
printf("C");
else if (k->flags & F_STATIC)
printf("S");
else
printf(" ");
printf(" ");
if (asprintf(&p, "%s/%u", log_in6addr(&k->prefix),
k->prefixlen) == -1)
err(1, NULL);
printf("%-20s ", p);
free(p);
if (!IN6_IS_ADDR_UNSPECIFIED(&k->nexthop))
printf("%s", log_in6addr(&k->nexthop));
else if (k->flags & F_CONNECTED)
printf("link#%u", k->ifindex);
printf("\n");
break;
case IMSG_CTL_END:
printf("\n");
return (1);
default:
break;
}
return (0);
}
const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST;
const struct ifmedia_status_description
ifm_status_descriptions[] = IFM_STATUS_DESCRIPTIONS;
const struct ifmedia_description
ifm_type_descriptions[] = IFM_TYPE_DESCRIPTIONS;
const char *
get_media_descr(int media_type)
{
const struct ifmedia_description *p;
for (p = ifm_type_descriptions; p->ifmt_string != NULL; p++)
if (media_type == p->ifmt_word)
return (p->ifmt_string);
return ("unknown");
}
const char *
get_linkstate(int media_type, int link_state)
{
const struct ifmedia_status_description *p;
int i;
if (link_state == LINK_STATE_UNKNOWN)
return ("unknown");
for (i = 0; ifm_status_valid_list[i] != 0; i++)
for (p = ifm_status_descriptions; p->ifms_valid != 0; p++) {
if (p->ifms_type != media_type ||
p->ifms_valid != ifm_status_valid_list[i])
continue;
if (LINK_STATE_IS_UP(link_state))
return (p->ifms_string[1]);
return (p->ifms_string[0]);
}
return ("unknown");
}
void
print_baudrate(u_int64_t baudrate)
{
if (baudrate > IF_Gbps(1))
printf("%llu GBit/s", baudrate / IF_Gbps(1));
else if (baudrate > IF_Mbps(1))
printf("%llu MBit/s", baudrate / IF_Mbps(1));
else if (baudrate > IF_Kbps(1))
printf("%llu KBit/s", baudrate / IF_Kbps(1));
else
printf("%llu Bit/s", baudrate);
}