/*
* Display an individual neighbor cache entry
*/
static void
get(char *host)
{
struct sockaddr_in6 *mysin = &sin_m;
struct addrinfo hints, *res;
int gai_error;
sin_m = blank_sin;
(void)memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_INET6;
gai_error = getaddrinfo(host, NULL, &hints, &res);
if (gai_error) {
warnx("%s: %s", host, gai_strerror(gai_error));
return;
}
makeaddr(mysin, res->ai_addr);
dump(&mysin->sin6_addr, 0);
if (found_entry == 0) {
(void)getnameinfo((struct sockaddr *)(void *)mysin,
(socklen_t)mysin->sin6_len,
host_buf, sizeof(host_buf), NULL ,0,
(nflag ? NI_NUMERICHOST : 0));
errx(1, "%s (%s) -- no entry", host, host_buf);
}
}
/*-----------------------------------------------------------------------------------*/
static void
makestrings(void)
{
uip_ipaddr_t addr, *addrptr;
uip_gethostaddr(&addr);
makeaddr(&addr, ipaddr);
uip_getnetmask(&addr);
makeaddr(&addr, netmask);
uip_getdraddr(&addr);
makeaddr(&addr, gateway);
#if WITH_DNS
addrptr = resolv_getserver();
if(addrptr != NULL) {
makeaddr(addrptr, dnsserver);
}
#endif /* WITH_DNS */
}
void main(int argc, char *argv[])
{
int opt, noauth = 0;
char cmdline[1024], *str;
while ((opt = getopt(argc, argv, "f")) != EOF)
switch (opt) {
case 'f':
noauth = 1;
break;
}
dup2(0, 1);
dup2(0, 2);
net = 1;
fgets((char *)&cmdline, 1024, stdin);
if ((str = strtok((char *)&cmdline, " \n\t\v\r")) == NULL)
help();
(void)makeaddr(&from, str);
if ((str = strtok((char *)NULL, " \n\t\v\r")) == NULL)
help();
(void)makeaddr(&to, str);
if ((str = strtok((char *)NULL, " \n\t\v\r")) != NULL)
(void)strncpy((char *)&to.pe_tty, str, UT_LINESIZE);
if (to.pe_host == NULL)
if (getTTY(&to) == -1)
exit(1);
if (strncmp(from.pe_user, "", UT_NAMESIZE) == 0 || from.pe_host ==
NULL || strncmp(from.pe_tty, "", UT_LINESIZE) == 0)
help();
if (ident(0, &auth) == 0)
exit(loop(&from, &to, &auth));
else
if (noauth == 0)
exit(loop(&from, &to, (struct person *)NULL));
else
fprintf(stderr, "write: You cannot be authenticated\n");
exit(1);
}
/*
* Set an individual neighbor cache entry
*/
static int
set(int argc, char **argv)
{
register struct sockaddr_in6 *mysin = &sin_m;
register struct sockaddr_dl *sdl;
register struct rt_msghdr *rtm = &(m_rtmsg.m_rtm);
struct addrinfo hints, *res;
int gai_error;
u_char *ea;
char *host = argv[0], *eaddr = argv[1];
getsocket();
argc -= 2;
argv += 2;
sdl_m = blank_sdl;
sin_m = blank_sin;
(void)memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_INET6;
gai_error = getaddrinfo(host, NULL, &hints, &res);
if (gai_error) {
warnx("%s: %s", host, gai_strerror(gai_error));
return 1;
}
makeaddr(mysin, res->ai_addr);
ea = (u_char *)LLADDR(&sdl_m);
if (ndp_ether_aton(eaddr, ea) == 0)
sdl_m.sdl_alen = 6;
flags = expire_time = 0;
while (argc-- > 0) {
if (strncmp(argv[0], "temp", 4) == 0) {
struct timeval tim;
(void)gettimeofday(&tim, 0);
expire_time = tim.tv_sec + 20 * 60;
} else if (strncmp(argv[0], "proxy", 5) == 0)
flags |= RTF_ANNOUNCE;
argv++;
}
if (rtmsg(RTM_GET) < 0) {
errx(1, "RTM_GET(%s) failed", host);
/* NOTREACHED */
}
mysin = (struct sockaddr_in6 *)(void *)(rtm + 1);
sdl = (struct sockaddr_dl *)(void *)(RT_ROUNDUP(mysin->sin6_len) + (char *)(void *)mysin);
if (IN6_ARE_ADDR_EQUAL(&mysin->sin6_addr, &sin_m.sin6_addr)) {
if (sdl->sdl_family == AF_LINK &&
!(rtm->rtm_flags & RTF_GATEWAY)) {
switch (sdl->sdl_type) {
case IFT_ETHER: case IFT_FDDI: case IFT_ISO88023:
case IFT_ISO88024: case IFT_ISO88025:
goto overwrite;
}
}
/*
* IPv4 arp command retries with sin_other = SIN_PROXY here.
*/
(void)fprintf(stderr, "set: cannot configure a new entry\n");
return 1;
}
overwrite:
if (sdl->sdl_family != AF_LINK) {
warnx("cannot intuit interface index and type for %s", host);
return (1);
}
sdl_m.sdl_type = sdl->sdl_type;
sdl_m.sdl_index = sdl->sdl_index;
return (rtmsg(RTM_ADD));
}
