Пример #1
0
static enum nss_status
internal_nisplus_getspent_r (struct spwd *sp, char *buffer, size_t buflen,
			     int *errnop)
{
  int parse_res;

  /* Get the next entry until we found a correct one. */
  do
    {
      nis_result *saved_res;

      if (result == NULL)
	{
	  saved_res = NULL;

          if (tablename_val == NULL)
	    {
	      enum nss_status status = _nss_create_tablename (errnop);

	      if (status != NSS_STATUS_SUCCESS)
		return status;
	    }

	  result = nis_first_entry (tablename_val);
	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
	    return niserr2nss (result->status);
	}
      else
	{
	  nis_result *res;

	  saved_res = result;
	  res = nis_next_entry (tablename_val, &result->cookie);
	  result = res;
	  if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
	    {
	      nis_freeresult (saved_res);
	      return niserr2nss (result->status);
	    }
	}

      parse_res = _nss_nisplus_parse_spent (result, sp, buffer,
					    buflen, errnop);
      if (parse_res == -1)
	{
	  nis_freeresult (result);
	  result = saved_res;
	  *errnop = ERANGE;
	  return NSS_STATUS_TRYAGAIN;
	}
      else
	{
	  if (saved_res)
	    nis_freeresult (saved_res);
	}
    } while (!parse_res);

  return NSS_STATUS_SUCCESS;
}
Пример #2
0
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;
}
Пример #3
0
enum nss_status
_nss_nisplus_getpwuid_r (const uid_t uid, struct passwd *pw,
			 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;
    }

  {
    int parse_res;
    nis_result *result;
    char buf[100 + tablename_len];
    int olderr = errno;

    sprintf (buf, "[uid=%lu],%s", (unsigned long int) uid, tablename_val);

    result = nis_list(buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);

    if (result == NULL)
      {
	*errnop = ENOMEM;
	return NSS_STATUS_TRYAGAIN;
      }
    if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
      {
	enum nss_status status = niserr2nss (result->status);

	__set_errno (olderr);

	nis_freeresult (result);
	return status;
      }

    parse_res = _nss_nisplus_parse_pwent (result, pw, buffer, buflen, errnop);

    nis_freeresult (result);

    if (parse_res < 1)
      {
	if (parse_res == -1)
	  {
	    *errnop = ERANGE;
	    return NSS_STATUS_TRYAGAIN;
	  }
	else
	  {
	    __set_errno (olderr);
	    return NSS_STATUS_NOTFOUND;
	  }
      }
    return NSS_STATUS_SUCCESS;
  }
}
Пример #4
0
enum nss_status
_nss_nisplus_getpwnam_r (const char *name, struct passwd *pw,
			 char *buffer, size_t buflen, int *errnop)
{
  int parse_res;

  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;
    }
  else
    {
      nis_result *result;
      char buf[strlen (name) + 24 + tablename_len];

      sprintf (buf, "[name=%s],%s", name, tablename_val);

      result = nis_list(buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);

      if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
	{
	  enum nss_status status =  niserr2nss (result->status);

	  nis_freeresult (result);
	  return status;
	}

      parse_res = _nss_nisplus_parse_pwent (result, pw, buffer, buflen,
					    errnop);

      nis_freeresult (result);

      if (parse_res < 1)
	{
	  if (parse_res == -1)
	    {
	      *errnop = ERANGE;
	      return NSS_STATUS_TRYAGAIN;
	    }
	  else
	    return NSS_STATUS_NOTFOUND;
	}
      return NSS_STATUS_SUCCESS;
    }
}
Пример #5
0
enum nss_status
_nss_nisplus_setspent (int stayopen)
{
  enum nss_status status = NSS_STATUS_SUCCESS;
  int err;

  __libc_lock_lock (lock);

  if (result)
    nis_freeresult (result);
  result = NULL;

  if (tablename_val == NULL)
    status = _nss_create_tablename (&err);

  __libc_lock_unlock (lock);

  return NSS_STATUS_SUCCESS;
}
Пример #6
0
enum nss_status
_nss_nisplus_setetherent (int stayopen)
{
  enum nss_status status;
  int err;

  status = NSS_STATUS_SUCCESS;

  __libc_lock_lock (lock);

  if (result != NULL)
    {
      nis_freeresult (result);
      result = NULL;
    }

  if (_nss_create_tablename (&err) != NSS_STATUS_SUCCESS)
    status = NSS_STATUS_UNAVAIL;

  __libc_lock_unlock (lock);

  return status;
}
Пример #7
0
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;
}