/*
* Map an EUI-64 to a hostname. Use either /etc/eui64 or NIS/YP.
*/
int
eui64_ntohost(char *hostname, size_t len, const struct eui64 *id)
{
FILE *fp;
char buf[BUFSIZ + 2];
struct eui64 local_eui64;
char local_host[MAXHOSTNAMELEN];
#ifdef YP
char *result;
int resultlen;
char eui64_a[24];
char *yp_domain;
#endif
if ((fp = fopen(_PATH_EUI64, "re")) == NULL)
return (1);
while (fgets(buf,BUFSIZ,fp)) {
if (buf[0] == '#')
continue;
#ifdef YP
if (buf[0] == '+') {
if (yp_get_default_domain(&yp_domain))
continue;
eui64_ntoa(id, eui64_a, sizeof(eui64_a));
if (yp_match(yp_domain, "eui64.byid", eui64_a,
strlen(eui64_a), &result, &resultlen)) {
continue;
}
strncpy(buf, result, resultlen);
buf[resultlen] = '\0';
free(result);
}
#endif
if (eui64_line(buf, &local_eui64, local_host,
sizeof(local_host)) == 0) {
if (bcmp(&local_eui64.octet[0],
&id->octet[0], EUI64_LEN) == 0) {
/* We have a match */
strcpy(hostname, local_host);
fclose(fp);
return(0);
}
}
}
fclose(fp);
return (1);
}
/*
* Map a hostname to an EUI-64 using /etc/eui64 or NIS/YP.
*/
int
eui64_hostton(const char *hostname, struct eui64 *id)
{
FILE *fp;
char buf[BUFSIZ + 2];
struct eui64 local_eui64;
char local_host[MAXHOSTNAMELEN];
#ifdef YP
char *result;
int resultlen;
char *yp_domain;
#endif
if ((fp = fopen(_PATH_EUI64, "re")) == NULL)
return (1);
while (fgets(buf,BUFSIZ,fp)) {
if (buf[0] == '#')
continue;
#ifdef YP
if (buf[0] == '+') {
if (yp_get_default_domain(&yp_domain))
continue;
if (yp_match(yp_domain, "eui64.byname", hostname,
strlen(hostname), &result, &resultlen)) {
continue;
}
strncpy(buf, result, resultlen);
buf[resultlen] = '\0';
free(result);
}
#endif
if (eui64_line(buf, &local_eui64, local_host,
sizeof(local_host)) == 0) {
if (strcmp(hostname, local_host) == 0) {
/* We have a match */
bcopy(&local_eui64, id, sizeof(struct eui64));
fclose(fp);
return(0);
}
}
}
fclose(fp);
return (1);
}
static int
test_line(const char *line, const struct eui64 *eui, const char *host)
{
struct eui64 e;
char buf[256];
static int test = 0;
test++;
if (eui64_line(line, &e, buf, sizeof(buf)) != 0 ||
memcmp(&e, eui, sizeof(struct eui64)) != 0 ||
strcmp(buf, host) != 0) {
printf("not ok %d - eui64_line(\"%s\")\n", test, line);
printf("# host = %s\n", buf);
eui64_ntoa(&e, buf, sizeof(buf));
printf("# e = %s\n", buf);
return (0);
} else {
printf("ok %d - eui64_line(\"%s\")\n", test, line);
return (1);
}
}