source: trunk/athena/bin/write/writed.c @ 5788

/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */
/*
 * Copyright (c) 1985 Massachusetts Institute of Technology
 * Note:  This is mostly fingerd.c with all occurances of
 * "finger" changed to "write".
 */
#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1983 Regents of the University of California.\n\
 All rights reserved.\n";
static char *rcsid_writed_c = "$Header: /afs/dev.mit.edu/source/repository/athena/bin/write/writed.c,v 1.5 1992-01-10 16:40:47 probe Exp $";
#endif not lint

#ifndef lint
static char sccsid[] = "@(#)writed.c    5.1 (Berkeley) 6/6/85";
#endif not lint

/*
 * Write server.
 */
#include <sys/types.h>
#include <netinet/in.h>

#include <stdio.h>
#include <ctype.h>

#if !defined(WRITE_PROG)
#define WRITE_PROG "/usr/athena/bin/write"
#endif

main(argc, argv)
        char *argv[];
{
        register char *sp;
        char line[BUFSIZ];
        struct sockaddr_in sin;
        int i;
        char *av[10]; /* space for 9 arguments, plus terminating null */


        i = sizeof (sin);
        if (getpeername(0, &sin, &i) < 0)
                fatal(argv[0], "getpeername");
        line[0] = '\0';

        fgets(line, BUFSIZ, stdin);
        sp = line;
        av[0] = "write";
        av[1] = "-f";
        i = 2;
        while (1) {
                while (isspace(*sp))
                        sp++;
                if (!*sp)
                        break;
                av[i++] = sp;
                if (i == 9)
                        /* past end of av space -- throw out the rest */
                        /* of the args                                */
                        break;
                while (*sp && !isspace(*sp)) sp++;
                if (*sp) *sp++ = '\0';
        }
        av[i] = 0;
        /* Put the socket on stdin, stdout, and stderr */
        dup2(0, 1);
        dup2(0, 2);
#if (defined(vax) && !defined(ultrix) || defined(ibm032))
        execv(WRITE_PROG, av);
#else
        execv("/usr/athena/bin/write", av);
#endif
        _exit(1);
}

fatal(prog, s)
        char *prog, *s;
{

        fprintf(stderr, "%s: ", prog);
        perror(s);
        exit(1);
}