Exemple #1
0
enum nss_status
_nss_nisplus_getpwuid_r (const uid_t uid, struct passwd *pw,
			 char *buffer, size_t buflen, int *errnop)
{
  if (pwd_tablename_val == NULL)
    {
      enum nss_status status = _nss_pwd_create_tablename (errnop);

      if (status != NSS_STATUS_SUCCESS)
	return status;
    }

  int parse_res;
  nis_result *result;
  char buf[8 + 3 * sizeof (unsigned long int) + pwd_tablename_len];
  int olderr = errno;

  snprintf (buf, sizeof (buf), "[uid=%lu],%s",
	    (unsigned long int) uid, pwd_tablename_val);

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

      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
	{
	  errno = olderr;
	  return NSS_STATUS_NOTFOUND;
	}
    }

  return NSS_STATUS_SUCCESS;
}
static enum nss_status
internal_nisplus_getpwent_r (struct passwd *pw, 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_pwent (result, pw, 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;
}
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;
    }
}
Exemple #4
0
static enum nss_status
internal_nisplus_getpwent_r (struct passwd *pw, char *buffer, size_t buflen,
			     int *errnop)
{
  int parse_res = -1;
  enum nss_status retval = NSS_STATUS_SUCCESS;

  /* Get the next entry until we found a correct one. */
  do
    {
      nis_error status;
      nis_result result;
      memset (&result, '\0', sizeof (result));

      if (cursor.n_bytes == NULL)
	{
	  if (ibreq == NULL)
	    {
	      retval = internal_nisplus_setpwent (errnop);
	      if (retval != NSS_STATUS_SUCCESS)
		return retval;
	    }

	  status = __do_niscall3 (&bptr, NIS_IBFIRST,
				  (xdrproc_t) _xdr_ib_request,
				  (caddr_t) ibreq,
				  (xdrproc_t) _xdr_nis_result,
				  (caddr_t) &result,
				  0, NULL);
	}
      else
	{
	  ibreq->ibr_cookie.n_bytes = cursor.n_bytes;
	  ibreq->ibr_cookie.n_len = cursor.n_len;

	  status = __do_niscall3 (&bptr, NIS_IBNEXT,
				  (xdrproc_t) _xdr_ib_request,
				  (caddr_t) ibreq,
				  (xdrproc_t) _xdr_nis_result,
				  (caddr_t) &result,
				  0, NULL);

	  ibreq->ibr_cookie.n_bytes = NULL;
	  ibreq->ibr_cookie.n_len = 0;
	}

      if (status != NIS_SUCCESS)
	return niserr2nss (status);

      if (NIS_RES_STATUS (&result) == NIS_NOTFOUND)
	{
	  /* No more entries on this server.  This means we have to go
	     to the next server on the path.  */
	  status = __follow_path (&tablepath, &tableptr, ibreq, &bptr);
	  if (status != NIS_SUCCESS)
	    return niserr2nss (status);

	  directory_obj *newdir = NULL;
	  dir_binding newbptr;
	  status = __prepare_niscall (ibreq->ibr_name, &newdir, &newbptr, 0);
	  if (status != NIS_SUCCESS)
	    return niserr2nss (status);

	  nis_free_directory (dir);
	  dir = newdir;
	  __nisbind_destroy (&bptr);
	  bptr = newbptr;

	  xdr_free ((xdrproc_t) xdr_netobj, (char *) &result.cookie);
	  result.cookie.n_bytes = NULL;
	  result.cookie.n_len = 0;
	  parse_res = 0;
	  goto next;
	}
      else if (NIS_RES_STATUS (&result) != NIS_SUCCESS)
	return niserr2nss (NIS_RES_STATUS (&result));

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

      if (parse_res == -1)
	{
	  *errnop = ERANGE;
	  retval = NSS_STATUS_TRYAGAIN;
	  goto freeres;
	}

    next:
      /* Free the old cursor.  */
      xdr_free ((xdrproc_t) xdr_netobj, (char *) &cursor);
      /* Remember the new one.  */
      cursor.n_bytes = result.cookie.n_bytes;
      cursor.n_len = result.cookie.n_len;
      /* Free the result structure.  NB: we do not remove the cookie.  */
      result.cookie.n_bytes = NULL;
      result.cookie.n_len = 0;
    freeres:
      xdr_free ((xdrproc_t) _xdr_nis_result, (char *) &result);
      memset (&result, '\0', sizeof (result));
    }
  while (!parse_res);

  return retval;
}
Exemple #5
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 (pwd_tablename_val == NULL)
    {
      enum nss_status status = _nss_pwd_create_tablename (errnop);

      if (status != NSS_STATUS_SUCCESS)
	return status;
    }

  if (name == NULL)
    {
      *errnop = EINVAL;
      return NSS_STATUS_UNAVAIL;
    }

  nis_result *result;
  char buf[strlen (name) + 9 + pwd_tablename_len];
  int olderr = errno;

  snprintf (buf, sizeof (buf), "[name=%s],%s", name, pwd_tablename_val);

  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);

      __set_errno (olderr);

      nis_freeresult (result);
      return status;
    }

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

  nis_freeresult (result);

  if (__glibc_unlikely (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;
}