/*
   nslcd-prot.c - common functions for NSLCD lookups

   Copyright (C) 2006 West Consulting
   Copyright (C) 2006, 2007, 2008, 2009, 2010, 2012 Arthur de Jong

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
   02110-1301 USA
*/

#include "config.h"

#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif /* HAVE_STDINT_H */
#include <unistd.h>
#include <stdio.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>

#include "nslcd.h"
#include "nslcd-prot.h"
#include "compat/socket.h"

/* read timeout is 60 seconds because looking up stuff may take some time
   write timeout is 10 secods because nslcd could be loaded with requests */
#define READ_TIMEOUT 60 * 1000
#define WRITE_TIMEOUT 10 * 1000

/* buffer sizes for I/O */
#define READBUFFER_MINSIZE 1024
#define READBUFFER_MAXSIZE 2 * 1024 * 1024
#define WRITEBUFFER_MINSIZE 32
#define WRITEBUFFER_MAXSIZE 32

/* Note that the READBUFFER_MAXSIZE should be large enough to hold any single
   result entity as defined in nslcd.h because the get*ent() functions expect
   to be able to tio_reset() the stream to re-read the current entity.
   Since group entities can grow arbitrarily large, this setting limits the
   number of users that can be put in a group. */