+
−/* -*-C-*-
+
−
+
− Header file for the XEmacs server and client C code.
+
−
+
− This file is part of XEmacs.
+
−
+
− Copying is permitted under those conditions described by the GNU
+
− General Public License.
+
−
+
− Copyright (C) 1989 Free Software Foundation, Inc.
+
−
+
− Author: Andy Norman (ange@hplb.hpl.hp.com), based on 
+
−         'etc/server.c' and 'etc/emacsclient.c' from the 18.52 GNU
+
−         Emacs distribution.
+
−
+
− Please mail bugs and suggestions to the author at the above address.
+
−*/
+
−
+
−/* HISTORY 
+
− * 11-Nov-1990		bristor@simba	
+
− *    Added EOT stuff.
+
− */
+
−
+
−/*
+
− * This file incorporates new features added by Bob Weiner <weiner@mot.com>,
+
− * Darrell Kindred <dkindred@cmu.edu> and Arup Mukherjee <arup@cmu.edu>.
+
− * Please see the note at the end of the README file for details.
+
− *
+
− * (If gnuserv came bundled with your emacs, the README file is probably
+
− * ../etc/gnuserv.README relative to the directory containing this file)
+
− */
+
−
+
−#define GNUSERV_VERSION "3.12"
+
−
+
−/* Note: this setting can cause client-server connection failure if the
+
− * value of TMPDIR is not shared by client and server at run-time.
+
− */
+
−#define USE_TMPDIR
+
−
+
−#define PATCHLEVEL 2
+
−
+
−#define NO_SHORTNAMES
+
−/* gnuserv should not be compiled using SOCKS */
+
−#define DO_NOT_SOCKSIFY
+
−#include <config.h>
+
−#undef signal
+
−
+
−/* Define the communication method between server and clients:
+
− *   You can have either or both kinds of sockets, but you can't mix
+
− *   sockets with sysv ipc
+
− */
+
−
+
−
+
−#define INTERNET_DOMAIN_SOCKETS
+
−#ifdef HAVE_SYS_UN_H
+
−#define UNIX_DOMAIN_SOCKETS 
+
−/* #define SYSV_IPC  */
+
−#endif
+
−
+
−/*
+
− * Define additional authentication protocols to be used. These methods will
+
− * be tried before falling back to the default gnuserv protocol (based on
+
− * the GNU_SECURE environment variable). Currently, only MIT-MAGIC-COOKIE-1
+
− * is also supported.
+
− *
+
− * Comment out the next line(s) if you don't want to enable the
+
− * appropriate authentication protocol.
+
− */
+
−
+
−#if defined (HAVE_XAUTH)
+
−#define AUTH_MAGIC_COOKIE
+
−#endif /* HAVE_XAUTH */
+
−
+
−/*
+
− * stuff related to supporting MIT-MAGIC-COOKIE-1
+
− */
+
−
+
−#define MCOOKIE_SCREEN "999"     /* screen # to use as the gnuserv cookie */
+
−#define MCOOKIE_NAME   "MAGIC-1" /* authentication protocol name */
+
−#define MCOOKIE_X_NAME "MIT-MAGIC-COOKIE-1"  /* as needed by X */
+
−
+
−
+
−#define DEFAUTH_NAME "GNU-SECURE"  /* name of default auth protocol */
+
−#define AUTH_TIMEOUT  15           /* # seconds to wait for auth data */
+
−#define AUTH_NAMESZ   15           /* max allows auth protocol name size */
+
−
+
−
+
−/*
+
− * Pick a default communication scheme, if none was specified.
+
− */
+
−
+
−#if !defined(SYSV_IPC) && !defined(UNIX_DOMAIN_SOCKETS) && !defined(INTERNET_DOMAIN_SOCKETS)
+
−
+
−#ifdef HAVE_SYSVIPC
+
−#define SYSV_IPC		/* SYSV systems use SYSV IPC by default */
+
−#endif /* HAVE_SYSVIPC */
+
−
+
−#ifdef BSD
+
−#define UNIX_DOMAIN_SOCKETS	/* BSD systems use Unix Domain sockets by default */
+
−#endif /* BSD */
+
−
+
−#endif /* No communication method pre-defined */
+
−
+
−#include <sys/types.h>
+
−#include <sys/param.h>
+
−#include <sys/stat.h>
+
−#include <stdio.h>
+
−#include <stdlib.h>
+
−#include <string.h>
+
−#include "syssignal.h"
+
−#include <errno.h>
+
−
+
−#ifdef HAVE_UNISTD_H
+
−#include <unistd.h>
+
−#endif
+
−
+
−#ifdef HAVE_SYS_TIME_H
+
−#include <sys/time.h>
+
−#endif
+
−
+
−/*
+
− * If you are using SYSV_IPC, you might want to make the buffer size bigger
+
− * since it limits the size of requests and responses. Don't make it bigger
+
− * than your system's max message size though (usually a couple of k) or else
+
− * msgsend will start failing. For sockets, using the system BUFSIZ is usually
+
− * what you want. 
+
− */
+
−
+
−# define GSERV_BUFSZ BUFSIZ
+
−
+
−
+
−#ifdef SYSV_IPC
+
−#include <sys/ipc.h>
+
−#include <sys/msg.h>
+
−
+
−#define send_string(s,str) \
+
−  if (strlen(msgp->mtext) + strlen(str) < GSERV_BUFSZ) \
+
−     strcat(msgp->mtext,str); \
+
−  else \
+
−  { \
+
−    fprintf(stderr,"%s: not enough message buffer space\n",progname); \
+
−     exit(1); \
+
−  } \
+
−
+
−#endif /* SYSV_IPC */
+
−
+
−#if defined(INTERNET_DOMAIN_SOCKETS) || defined(UNIX_DOMAIN_SOCKETS)
+
−#include <sys/socket.h>
+
−#endif /* INTERNET_DOMAIN_SOCKETS || UNIX_DOMAIN_SOCKETS */
+
−
+
−#ifdef INTERNET_DOMAIN_SOCKETS
+
−#include <netdb.h>
+
−#include <netinet/in.h>
+
−#include <arpa/inet.h>
+
−#define TABLE_SIZE 101		/* The number of entries in the hash table */
+
−#define HASH(host) host		/* Rather simplistic hash function */
+
−#define DEFAULT_PORT 21490	/* default port number to use is
+
−				 * DEFAULT_PORT + uid */
+
−#endif /* INTERNET_DOMAIN_SOCKETS */
+
−
+
−#ifdef UNIX_DOMAIN_SOCKETS
+
−#include <sys/un.h>
+
−#define HIDE_UNIX_SOCKET	/* put the unix socket in a protected dir */
+
−#endif /* UNIX_DOMAIN_SOCKETS */
+
−
+
−/* On some platforms, we need to do the equivalent of "stty litout" to get
+
− * characters like ^D to pass through to emacs.  This problem has only
+
− * been observed under emacs18; fsf19 and lemacs are probably okay without it.
+
− */
+
−#ifndef DONT_USE_LITOUT
+
−#if !defined(HAVE_TERMIO) && !defined(HAVE_TERMIOS) && !defined(VMS)
+
−#define USE_LITOUT
+
−#endif
+
−#endif
+
−
+
−
+
−#define HOSTNAMSZ 255		/* max size of a hostname */
+
−#define REPLYSIZ 300		/* max size of reply from server to client */
+
−#undef FALSE
+
−#define FALSE 0
+
−#undef TRUE
+
−#define TRUE 1
+
−
+
−extern char *optarg;
+
−extern int optind;
+
−extern char *progname;
+
−extern char *tmpdir;
+
−
+
−/* The casts shut Sun's compiler up and are safe in the context these
+
−   are actually used. */
+
−#define max2(x,y) (((int) (x) > (int) (y)) ? (x) : (y))
+
−#define min2(x,y) (((int) (x) < (int) (y)) ? (x) : (y))
+
−
+
−#ifndef _NFILE            /* rough guess at maximum number of open files */
+
−#define _NFILE 20
+
−#endif
+
−
+
−#define EOT_STR "\004"
+
−#define EOT_CHR '\004'
+
−
+
−/* connection types */
+
−#define CONN_UNIX     0
+
−#define CONN_INTERNET 1
+
−#define CONN_IPC      2
+
−
+
−/* function declarations */
+
−int make_connection (char *hostarg, int portarg, int *s);
+
−#ifdef SYSV_IPC
+
−void disconnect_from_ipc_server();
+
−#endif
+
−#if defined(INTERNET_DOMAIN_SOCKETS) || defined(UNIX_DOMAIN_SOCKETS)
+
−void send_string (int s, const char *msg);
+
−void disconnect_from_server (int s, int echo);
+
−int read_line (int s, char *dest);
+
−#endif
+
−#ifdef INTERNET_DOMAIN_SOCKETS
+
−int internet_addr (char *host);
+
−#endif