enum nss_status
_nss_nis_getntohost_r (const struct ether_addr *addr, struct etherent *eth,
char *buffer, size_t buflen, int *errnop)
{
if (addr == NULL)
{
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
char *domain;
if (__glibc_unlikely (yp_get_default_domain (&domain)))
return NSS_STATUS_UNAVAIL;
char buf[33];
int nlen = snprintf (buf, sizeof (buf), "%x:%x:%x:%x:%x:%x",
(int) addr->ether_addr_octet[0],
(int) addr->ether_addr_octet[1],
(int) addr->ether_addr_octet[2],
(int) addr->ether_addr_octet[3],
(int) addr->ether_addr_octet[4],
(int) addr->ether_addr_octet[5]);
char *result;
int len;
int yperr = yp_match (domain, "ethers.byaddr", buf, nlen, &result, &len);
if (__glibc_unlikely (yperr != YPERR_SUCCESS))
{
enum nss_status retval = yperr2nss (yperr);
if (retval == NSS_STATUS_TRYAGAIN)
*errnop = errno;
return retval;
}
if (__glibc_unlikely ((size_t) (len + 1) > buflen))
{
free (result);
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
char *p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
int parse_res = _nss_files_parse_etherent (p, eth, (void *) buffer, buflen,
errnop);
if (__glibc_unlikely (parse_res < 1))
{
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
else
return NSS_STATUS_NOTFOUND;
}
return NSS_STATUS_SUCCESS;
}
static enum nss_status
internal_nis_getetherent_r (struct etherent *eth, char *buffer, size_t buflen,
int *errnop)
{
struct parser_data *data = (void *) buffer;
int parse_res;
if (start == NULL)
internal_nis_setetherent ();
/* Get the next entry until we found a correct one. */
do
{
char *p;
if (next == NULL)
return NSS_STATUS_NOTFOUND;
p = strncpy (buffer, next->val, buflen);
while (isspace (*p))
++p;
parse_res = _nss_files_parse_etherent (p, eth, data, buflen, errnop);
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
next = next->next;
}
while (!parse_res);
return NSS_STATUS_SUCCESS;
}
static enum nss_status
internal_nis_getetherent_r (struct ether *eth, char *buffer, size_t buflen)
{
struct parser_data *data = (void *) buffer;
char *domain, *result, *outkey;
int len, keylen, parse_res;
if (yp_get_default_domain (&domain))
return NSS_STATUS_UNAVAIL;
/* Get the next entry until we found a correct one. */
do
{
enum nss_status retval;
char *p;
if (new_start)
retval = yperr2nss (yp_first (domain, "ethers.byaddr",
&outkey, &keylen, &result, &len));
else
retval = yperr2nss ( yp_next (domain, "ethers.byaddr",
oldkey, oldkeylen,
&outkey, &keylen, &result, &len));
if (retval != NSS_STATUS_SUCCESS)
{
if (retval == NSS_STATUS_TRYAGAIN)
__set_errno (EAGAIN);
return retval;
}
if ((size_t) (len + 1) > buflen)
{
free (result);
__set_errno (ERANGE);
return NSS_STATUS_TRYAGAIN;
}
p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
parse_res = _nss_files_parse_etherent (p, eth, data, buflen);
if (!parse_res && errno == ERANGE)
return NSS_STATUS_TRYAGAIN;
free (oldkey);
oldkey = outkey;
oldkeylen = keylen;
new_start = 0;
}
while (!parse_res);
return NSS_STATUS_SUCCESS;
}
enum nss_status
_nss_nis_getethernam_r (const char *name, struct ether *eth,
char *buffer, size_t buflen)
{
struct parser_data *data = (void *) buffer;
enum nss_status retval;
char *domain, *result, *p;
int len, parse_res;
if (name == NULL)
{
__set_errno (EINVAL);
return NSS_STATUS_UNAVAIL;
}
if (yp_get_default_domain (&domain))
return NSS_STATUS_UNAVAIL;
retval = yperr2nss (yp_match (domain, "ethers.byname", name,
strlen (name), &result, &len));
if (retval != NSS_STATUS_SUCCESS)
{
if (retval == NSS_STATUS_TRYAGAIN)
__set_errno (EAGAIN);
return retval;
}
if ((size_t) (len + 1) > buflen)
{
free (result);
__set_errno (ERANGE);
return NSS_STATUS_TRYAGAIN;
}
p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
parse_res = _nss_files_parse_etherent (p, eth, data, buflen);
if (!parse_res)
{
if (errno == ERANGE)
return NSS_STATUS_TRYAGAIN;
else
return NSS_STATUS_NOTFOUND;
}
else
return NSS_STATUS_SUCCESS;
}
enum nss_status
_nss_nis_gethostton_r (const char *name, struct etherent *eth,
char *buffer, size_t buflen, int *errnop)
{
if (name == NULL)
{
*errnop = EINVAL;
return NSS_STATUS_UNAVAIL;
}
char *domain;
if (__glibc_unlikely (yp_get_default_domain (&domain)))
return NSS_STATUS_UNAVAIL;
char *result;
int len;
int yperr = yp_match (domain, "ethers.byname", name, strlen (name), &result,
&len);
if (__glibc_unlikely (yperr != YPERR_SUCCESS))
{
enum nss_status retval = yperr2nss (yperr);
if (retval == NSS_STATUS_TRYAGAIN)
*errnop = errno;
return retval;
}
if (__glibc_unlikely ((size_t) (len + 1) > buflen))
{
free (result);
*errnop = ERANGE;
return NSS_STATUS_TRYAGAIN;
}
char *p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
int parse_res = _nss_files_parse_etherent (p, eth, (void *) buffer, buflen,
errnop);
if (__glibc_unlikely (parse_res < 1))
{
if (parse_res == -1)
return NSS_STATUS_TRYAGAIN;
else
return NSS_STATUS_NOTFOUND;
}
return NSS_STATUS_SUCCESS;
}
enum nss_status
_nss_nis_getetherbyaddr_r (struct ether_addr *addr, struct ether *eth,
char *buffer, size_t buflen)
{
struct parser_data *data = (void *) buffer;
enum nss_status retval;
char *domain, *result, *p;
int len, nlen, parse_res;
char buf[33];
if (addr == NULL)
{
__set_errno (EINVAL);
return NSS_STATUS_UNAVAIL;
}
if (yp_get_default_domain (&domain))
return NSS_STATUS_UNAVAIL;
nlen = sprintf (buf, "%x:%x:%x:%x:%x:%x",
(int) addr->ether_addr_octet[0],
(int) addr->ether_addr_octet[1],
(int) addr->ether_addr_octet[2],
(int) addr->ether_addr_octet[3],
(int) addr->ether_addr_octet[4],
(int) addr->ether_addr_octet[5]);
retval = yperr2nss (yp_match (domain, "ethers.byaddr", buf,
nlen, &result, &len));
if (retval != NSS_STATUS_SUCCESS)
{
if (retval == NSS_STATUS_TRYAGAIN)
__set_errno (EAGAIN);
return retval;
}
if ((size_t) (len + 1) > buflen)
{
free (result);
__set_errno (ERANGE);
return NSS_STATUS_TRYAGAIN;
}
p = strncpy (buffer, result, len);
buffer[len] = '\0';
while (isspace (*p))
++p;
free (result);
parse_res = _nss_files_parse_etherent (p, eth, data, buflen);
if (!parse_res)
{
if (errno == ERANGE)
return NSS_STATUS_TRYAGAIN;
else
return NSS_STATUS_NOTFOUND;
}
else
return NSS_STATUS_SUCCESS;
}
