usr.bin/finger/sprint.c

   1 /*
   2  * Copyright (c) 1989, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * This code is derived from software contributed to Berkeley by
   6  * Tony Nardo of the Johns Hopkins University/Applied Physics Lab.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by the University of
  19  *      California, Berkeley and its contributors.
  20  * 4. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  *
  36  * @(#)sprint.c 8.3 (Berkeley) 4/28/95
  37  * $FreeBSD: src/usr.bin/finger/sprint.c,v 1.11.2.5 2002/07/03 01:14:24 des Exp $
  38  * $DragonFly: src/usr.bin/finger/sprint.c,v 1.4 2008/02/09 17:12:05 matthias Exp $
  39  */
  40
  41 #include <sys/socket.h>
  42 #include <db.h>
  43 #include <err.h>
  44 #include <langinfo.h>
  45 #include <pwd.h>
  46 #include <stdio.h>
  47 #include <string.h>
  48 #include <time.h>
  49 #include <utmp.h>
  50 #include "finger.h"
  51
  52 static void       stimeprint(WHERE *);
  53
  54 void
  55 sflag_print(void)
  56 {
  57         PERSON *pn;
  58         WHERE *w;
  59         int sflag, r, namelen;
  60         char p[80];
  61         PERSON *tmp;
  62         DBT data, key;
  63         struct tm *lc;
  64
  65         if (d_first < 0)
  66                 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
  67         /*
  68          * short format --
  69          *      login name
  70          *      real name
  71          *      terminal name (the XX of ttyXX)
  72          *      if terminal writeable (add an '*' to the terminal name
  73          *              if not)
  74          *      if logged in show idle time and day logged in, else
  75          *              show last login date and time.
  76          *              If > 6 months, show year instead of time.
  77          *      if (-o)
  78          *              office location
  79          *              office phone
  80          *      else
  81          *              remote host
  82          */
  83 #define MAXREALNAME     20
  84 #define MAXHOSTNAME     17      /* in reality, hosts are never longer than 16 */
  85         (void)printf("%-*s %-*s%s  %s\n", UT_NAMESIZE, "Login", MAXREALNAME,
  86             "Name", " TTY  Idle  Login  Time ", (gflag) ? "" :
  87             oflag ? "Office  Phone" : "Where");
  88
  89         for (sflag = R_FIRST;; sflag = R_NEXT) {
  90                 r = (*db->seq)(db, &key, &data, sflag);
  91                 if (r == -1)
  92                         err(1, "db seq");
  93                 if (r == 1)
  94                         break;
  95                 memmove(&tmp, data.data, sizeof tmp);
  96                 pn = tmp;
  97
  98                 for (w = pn->whead; w != NULL; w = w->next) {
  99                         namelen = MAXREALNAME;
 100                         if (w->info == LOGGEDIN && !w->writable)
 101                                 --namelen;      /* leave space before `*' */
 102                         (void)printf("%-*.*s %-*.*s", UT_NAMESIZE, UT_NAMESIZE,
 103                                 pn->name, MAXREALNAME, namelen,
 104                                 pn->realname ? pn->realname : "");
 105                         if (!w->loginat) {
 106                                 (void)printf("  *     *   No logins   ");
 107                                 goto office;
 108                         }
 109                         (void)putchar(w->info == LOGGEDIN && !w->writable ?
 110                             '*' : ' ');
 111                         if (*w->tty)
 112                                 (void)printf("%-3.3s ",
 113                                              (strncmp(w->tty, "tty", 3)
 114                                               && strncmp(w->tty, "cua", 3))
 115                                              ? w->tty : w->tty + 3);
 116                         else
 117                                 (void)printf("    ");
 118                         if (w->info == LOGGEDIN) {
 119                                 stimeprint(w);
 120                                 (void)printf("  ");
 121                         } else
 122                                 (void)printf("    *  ");
 123                         lc = localtime(&w->loginat);
 124 #define SECSPERDAY 86400
 125 #define DAYSPERWEEK 7
 126 #define DAYSPERNYEAR 365
 127                         if (now - w->loginat < SECSPERDAY * (DAYSPERWEEK - 1)) {
 128                                 (void)strftime(p, sizeof(p), "%a", lc);
 129                         } else {
 130                                 (void)strftime(p, sizeof(p),
 131                                              d_first ? "%e %b" : "%b %e", lc);
 132                         }
 133                         (void)printf("%-6.6s", p);
 134                         if (now - w->loginat >= SECSPERDAY * DAYSPERNYEAR / 2) {
 135                                 (void)strftime(p, sizeof(p), "%Y", lc);
 136                         } else {
 137                                 (void)strftime(p, sizeof(p), "%R", lc);
 138                         }
 139                         (void)printf(" %-5.5s ", p);
 140 office:
 141                         if (gflag)
 142                                 goto no_gecos;
 143                         if (oflag) {
 144                                 if (pn->office)
 145                                         (void)printf(" %-7.7s", pn->office);
 146                                 else if (pn->officephone)
 147                                         (void)printf(" %-7.7s", " ");
 148                                 if (pn->officephone)
 149                                         (void)printf(" %-.9s",
 150                                             prphone(pn->officephone));
 151                         } else
 152                                 (void)printf(" %.*s", MAXHOSTNAME, w->host);
 153 no_gecos:
 154                         putchar('\n');
 155                 }
 156         }
 157 }
 158
 159 static void
 160 stimeprint(WHERE *w)
 161 {
 162         struct tm *delta;
 163
 164         delta = gmtime(&w->idletime);
 165         if (!delta->tm_yday)
 166                 if (!delta->tm_hour)
 167                         if (!delta->tm_min)
 168                                 (void)printf("     ");
 169                         else
 170                                 (void)printf("%5d", delta->tm_min);
 171                 else
 172                         (void)printf("%2d:%02d",
 173                             delta->tm_hour, delta->tm_min);
 174         else
 175                 (void)printf("%4dd", delta->tm_yday);
 176 }