enum nss_status
_nss_nisplus_gethostton_r (const char *name, struct etherent *eth,
char *buffer, size_t buflen, int *errnop)
{
if (tablename_val == NULL)
{
enum nss_status status = _nss_create_tablename (errnop);
if (status != NSS_STATUS_SUCCESS)
return status;
}
if (name == NULL)
{
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
char buf[strlen (name) + 9 + tablename_len];
int olderr = errno;
snprintf (buf, sizeof (buf), "[name=%s],%s", name, tablename_val);
nis_result *result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS | USE_DGRAM,
NULL, NULL);
if (result == NULL)
{
*errnop = ENOMEM;
return NSS_STATUS_TRYAGAIN;
}
if (__glibc_unlikely (niserr2nss (result->status) != NSS_STATUS_SUCCESS))
{
enum nss_status status = niserr2nss (result->status);
nis_freeresult (result);
return status;
}
int parse_res = _nss_nisplus_parse_etherent (result, eth, buffer,
buflen, errnop);
/* We do not need the lookup result anymore. */
nis_freeresult (result);
if (__glibc_unlikely (parse_res < 1))
{
__set_errno (olderr);
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
return NSS_STATUS_NOTFOUND;
}
return NSS_STATUS_SUCCESS;
}
static enum nss_status
internal_nisplus_getetherent_r (struct etherent *ether, char *buffer,
size_t buflen, int *errnop)
{
if (tablename_val == NULL)
{
enum nss_status status = _nss_create_tablename (errnop);
if (status != NSS_STATUS_SUCCESS)
return status;
}
/* Get the next entry until we found a correct one. */
int parse_res;
do
{
nis_result *saved_result;
if (result == NULL)
{
saved_result = NULL;
result = nis_first_entry (tablename_val);
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
return niserr2nss (result->status);
}
else
{
saved_result = result;
result = nis_next_entry (tablename_val, &result->cookie);
if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
{
nis_freeresult (saved_result);
return niserr2nss (result->status);
}
}
parse_res = _nss_nisplus_parse_etherent (result, ether, buffer,
buflen, errnop);
if (parse_res == -1)
{
nis_freeresult (result);
result = saved_result;
return NSS_STATUS_TRYAGAIN;
}
if (saved_result != NULL)
nis_freeresult (saved_result);
}
while (!parse_res);
return NSS_STATUS_SUCCESS;
}
enum nss_status
_nss_nisplus_getntohost_r (const struct ether_addr *addr, struct etherent *eth,
char *buffer, size_t buflen, int *errnop)
{
if (tablename_val == NULL)
{
__libc_lock_lock (lock);
enum nss_status status = _nss_create_tablename (errnop);
__libc_lock_unlock (lock);
if (status != NSS_STATUS_SUCCESS)
return status;
}
if (addr == NULL)
{
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
char buf[26 + tablename_len];
snprintf (buf, sizeof (buf),
"[addr=%" PRIx8 ":%" PRIx8 ":%" PRIx8 ":%" PRIx8 ":%" PRIx8
":%" PRIx8 "],%s",
addr->ether_addr_octet[0], addr->ether_addr_octet[1],
addr->ether_addr_octet[2], addr->ether_addr_octet[3],
addr->ether_addr_octet[4], addr->ether_addr_octet[5],
tablename_val);
nis_result *result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS | USE_DGRAM,
NULL, NULL);
if (result == NULL)
{
*errnop = ENOMEM;
return NSS_STATUS_TRYAGAIN;
}
if (__glibc_unlikely (niserr2nss (result->status) != NSS_STATUS_SUCCESS))
{
enum nss_status status = niserr2nss (result->status);
nis_freeresult (result);
return status;
}
int parse_res = _nss_nisplus_parse_etherent (result, eth, buffer,
buflen, errnop);
/* We do not need the lookup result anymore. */
nis_freeresult (result);
if (__glibc_unlikely (parse_res < 1))
{
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
return NSS_STATUS_NOTFOUND;
}
return NSS_STATUS_SUCCESS;
}