root/usr.bin/finger/sprint.c
/*      $NetBSD: sprint.c,v 1.18 2015/11/21 15:22:17 christos Exp $     */

/*
 * Copyright (c) 1989, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Tony Nardo of the Johns Hopkins University/Applied Physics Lab.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)sprint.c    8.3 (Berkeley) 4/28/95";
#else
__RCSID("$NetBSD: sprint.c,v 1.18 2015/11/21 15:22:17 christos Exp $");
#endif
#endif /* not lint */

#include <sys/param.h>
#include <sys/time.h>

#include <time.h>
#include <tzfile.h>
#include <db.h>
#include <err.h>
#include <pwd.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "utmpentry.h"

#include "finger.h"
#include "extern.h"

static void       stimeprint(WHERE *);

void
sflag_print(void)
{
        PERSON *pn;
        WHERE *w;
        int sflag, r;
        char *p;
        PERSON *tmp;
        DBT data, key;

        if (db == NULL)
                return;

        /*
         * short format --
         *      login name
         *      real name
         *      terminal name
         *      if terminal writable (add an '*' to the terminal name
         *              if not)
         *      if logged in show idle time and day logged in, else
         *              show last login date and time.  If > 6 months,
         *              show year instead of time.  If < 6 days,
         *              show day name instead of month & day.
         *      if -h given
         *              remote host
         *      else if -o given (overriding -h) (default)
         *              office location
         *              office phone
         */
#define MAXREALNAME     18
        (void)printf("%-*s %-*s %s %s\n", (int)maxname, "Login", MAXREALNAME,
            "Name", " Tty      Idle  Login Time  ", (gflag) ? "" :
            (oflag) ? "Office     Office Phone" : "Where");

        for (sflag = R_FIRST;; sflag = R_NEXT) {
                r = (*db->seq)(db, &key, &data, sflag);
                if (r == -1)
                        err(1, "db seq");
                if (r == 1)
                        break;
                memmove(&tmp, data.data, sizeof tmp);
                pn = tmp;

                for (w = pn->whead; w != NULL; w = w->next) {
                        (void)printf("%-*.*s %-*.*s ", (int)maxname, 
                            (int)maxname,
                            pn->name, MAXREALNAME, MAXREALNAME,
                            pn->realname ? pn->realname : "");
                        if (!w->loginat) {
                                (void)printf("  *     *  No logins   ");
                                goto office;
                        }
                        (void)putchar(w->info == LOGGEDIN && !w->writable ?
                            '*' : ' ');
                        if (*w->tty)
                                (void)printf("%-7.7s ", w->tty);
                        else
                                (void)printf("        ");
                        if (w->info == LOGGEDIN) {
                                stimeprint(w);
                                (void)printf("  ");
                        } else
                                (void)printf("    *  ");
                        p = ctime(&w->loginat);
                        if (now - w->loginat < SECSPERDAY * (DAYSPERWEEK - 1))
                                (void)printf("%.3s %-8.5s", p, p + 11);
                        else if (now - w->loginat
                              < SECSPERDAY * DAYSPERNYEAR / 2)
                                (void)printf("%.6s %-5.5s", p + 4, p + 11);
                        else
                                (void)printf("%.6s %-5.4s", p + 4, p + 20);
office:
                        if (gflag)
                                goto no_gecos;
                        putchar(' ');
                        if (oflag) {
                                if (pn->office)
                                        (void)printf("%-10.10s", pn->office);
                                else if (pn->officephone)
                                        (void)printf("%-10.10s", " ");
                                if (pn->officephone)
                                        (void)printf(" %-.15s",
                                                    prphone(pn->officephone));
                        } else
                                (void)printf("%.*s", MAXHOSTNAMELEN, w->host);
no_gecos:
                        putchar('\n');
                }
        }
}

static void
stimeprint(WHERE *w)
{
        struct tm *delta;

        delta = gmtime(&w->idletime);
        if (!delta->tm_yday) {
                if (!delta->tm_hour) {
                        if (!delta->tm_min)
                                (void)printf("    -");
                        else
                                (void)printf("%5d", delta->tm_min);
                } else
                        (void)printf("%2d:%02d",
                            delta->tm_hour, delta->tm_min);
        } else
                (void)printf("%4dd", delta->tm_yday);
}