Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!uunet!mcsun!sunic!tut!kannel!kim
From: kim@kannel.lut.fi (Kimmo Suominen)
Newsgroups: comp.sys.hp
Subject: Re: FINGER HP800's (?)
Message-ID: <KIM.89Nov29150646@kannel.lut.fi>
Date: 29 Nov 89 20:06:46 GMT
References: <47500018@uxe.cso.uiuc.edu>
Sender: kim@kannel.lut.fi
Organization: Lappeenranta University of Technology, Finland
Lines: 131
In-reply-to: spirit@uxe.cso.uiuc.edu's message of 29 Nov 89 10:40:11 GMT

Here's a fingerd that works fine for me.  The port number for /etc/services is

	finger	79/tcp	# Networked finger

and an entry in /etc/inetd.conf might look like

	finger	stream tcp nowait guest /usr/local/lib/fingerd	fingerd

This is the code, enjoy.  Watch out for the signature.

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/*
 * Copyright (c) 1983 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1983 The Regents of the University of California.\n\
 All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)fingerd.c    5.3 (Berkeley) 11/3/88";
#endif /* not lint */

/*
 * Finger server.
 */
#include <sys/types.h>
#include <netinet/in.h>
#include <stdio.h>
#include <ctype.h>

main(argc, argv)
    int argc;
    char *argv[];
{
    register char *sp;
    char line[512];
    struct sockaddr_in sin;
    int i, p[2], pid, status;
    FILE *fp;
    char *av[4];

    i = sizeof (sin);
    if (getpeername(0, &sin, &i) < 0)
        fatal(argv[0], "getpeername");
    if (fgets(line, sizeof(line), stdin) == NULL)
        exit(1);
    sp = line;
    av[0] = "finger";
    for (i = 1;;) {
        while (isspace(*sp))
            sp++;
        if (!*sp)
            break;
        if (*sp == '/' && (sp[1] == 'W' || sp[1] == 'w')) {
            sp += 2;
            av[i++] = "-l";
        }
        if (*sp && !isspace(*sp)) {
            av[i++] = sp;
            while (*sp && !isspace(*sp))
                sp++;
            *sp = '\0';
        }
    }
    av[i] = 0;
    if (pipe(p) < 0)
        fatal(argv[0], "pipe");
    if ((pid = fork()) == 0) {
        close(p[0]);
        if (p[1] != 1) {
            dup2(p[1], 1);
            close(p[1]);
        }
#ifdef hpux
        execv("/usr/local/bin/finger", av);
#else
        execv("/usr/ucb/finger", av);
#endif
        _exit(1);
    }
    if (pid == -1)
        fatal(argv[0], "fork");
    close(p[1]);
    if ((fp = fdopen(p[0], "r")) == NULL)
        fatal(argv[0], "fdopen");
    while ((i = getc(fp)) != EOF) {
        if (i == '\n')
            putchar('\r');
        putchar(i);
    }
    fclose(fp);
    while ((i = wait(&status)) != pid && i != -1)
        ;
    return(0);
}

fatal(prog, s)
    char *prog, *s;
{
    fprintf(stderr, "%s: ", prog);
    perror(s);
    exit(1);
}

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Regards

Kim
--
 ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
( Kimmo Suominen        ! Lappeenranta U of Technology ! kim@kannel.lut.fi )
( "That's what I think" ! Computing Centre  *  Finland ! Funet: KUULA::KIM )
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