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