usr.bin/finger/sprint.c

   1 /*-
   2  * SPDX-License-Identifier: BSD-3-Clause
   3  *
   4  * Copyright (c) 1989, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * Tony Nardo of the Johns Hopkins University/Applied Physics Lab.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. Neither the name of the University nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34
  35 #if 0
  36 #ifndef lint
  37 static char sccsid[] = "@(#)sprint.c    8.3 (Berkeley) 4/28/95";
  38 #endif
  39 #endif
  40
  41 #include <sys/cdefs.h>
  42 __FBSDID("$FreeBSD$");
  43
  44 #include <sys/param.h>
  45 #include <sys/types.h>
  46 #include <sys/socket.h>
  47 #include <db.h>
  48 #include <err.h>
  49 #include <langinfo.h>
  50 #include <pwd.h>
  51 #include <stdio.h>
  52 #include <string.h>
  53 #include <time.h>
  54 #include <utmpx.h>
  55 #include "finger.h"
  56
  57 static void       stimeprint(WHERE *);
  58
  59 void
  60 sflag_print(void)
  61 {
  62         PERSON *pn;
  63         WHERE *w;
  64         int sflag, r, namelen;
  65         char p[80];
  66         PERSON *tmp;
  67         DBT data, key;
  68         struct tm *lc;
  69
  70         if (d_first < 0)
  71                 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
  72         /*
  73          * short format --
  74          *      login name
  75          *      real name
  76          *      terminal name (the XX of ttyXX)
  77          *      if terminal writeable (add an '*' to the terminal name
  78          *              if not)
  79          *      if logged in show idle time and day logged in, else
  80          *              show last login date and time.
  81          *              If > 6 months, show year instead of time.
  82          *      if (-o)
  83          *              office location
  84          *              office phone
  85          *      else
  86          *              remote host
  87          */
  88 #define MAXREALNAME     16
  89 #define MAXHOSTNAME     17      /* in reality, hosts are never longer than 16 */
  90         (void)printf("%-*s %-*s%s %s\n", MAXLOGNAME, "Login", MAXREALNAME,
  91             "Name", " TTY      Idle  Login  Time  ", (gflag) ? "" :
  92             oflag ? "Office  Phone" : "Where");
  93
  94         for (sflag = R_FIRST;; sflag = R_NEXT) {
  95                 r = (*db->seq)(db, &key, &data, sflag);
  96                 if (r == -1)
  97                         err(1, "db seq");
  98                 if (r == 1)
  99                         break;
 100                 memmove(&tmp, data.data, sizeof tmp);
 101                 pn = tmp;
 102
 103                 for (w = pn->whead; w != NULL; w = w->next) {
 104                         namelen = MAXREALNAME;
 105                         if (w->info == LOGGEDIN && !w->writable)
 106                                 --namelen;      /* leave space before `*' */
 107                         (void)printf("%-*.*s %-*.*s", MAXLOGNAME, MAXLOGNAME,
 108                                 pn->name, MAXREALNAME, namelen,
 109                                 pn->realname ? pn->realname : "");
 110                         if (!w->loginat) {
 111                                 (void)printf("  *     *   No logins   ");
 112                                 goto office;
 113                         }
 114                         (void)putchar(w->info == LOGGEDIN && !w->writable ?
 115                             '*' : ' ');
 116                         if (*w->tty)
 117                                 (void)printf("%-7.7s ",
 118                                              (strncmp(w->tty, "tty", 3)
 119                                               && strncmp(w->tty, "cua", 3))
 120                                              ? w->tty : w->tty + 3);
 121                         else
 122                                 (void)printf("        ");
 123                         if (w->info == LOGGEDIN) {
 124                                 stimeprint(w);
 125                                 (void)printf("  ");
 126                         } else
 127                                 (void)printf("    *  ");
 128                         lc = localtime(&w->loginat);
 129 #define SECSPERDAY 86400
 130 #define DAYSPERWEEK 7
 131 #define DAYSPERNYEAR 365
 132                         if (now - w->loginat < SECSPERDAY * (DAYSPERWEEK - 1)) {
 133                                 (void)strftime(p, sizeof(p), "%a", lc);
 134                         } else {
 135                                 (void)strftime(p, sizeof(p),
 136                                              d_first ? "%e %b" : "%b %e", lc);
 137                         }
 138                         (void)printf("%-6.6s", p);
 139                         if (now - w->loginat >= SECSPERDAY * DAYSPERNYEAR / 2) {
 140                                 (void)strftime(p, sizeof(p), "%Y", lc);
 141                         } else {
 142                                 (void)strftime(p, sizeof(p), "%R", lc);
 143                         }
 144                         (void)printf(" %-5.5s", p);
 145 office:
 146                         if (gflag)
 147                                 goto no_gecos;
 148                         if (oflag) {
 149                                 if (pn->office)
 150                                         (void)printf(" %-7.7s", pn->office);
 151                                 else if (pn->officephone)
 152                                         (void)printf(" %-7.7s", " ");
 153                                 if (pn->officephone)
 154                                         (void)printf(" %-.15s",
 155                                             prphone(pn->officephone));
 156                         } else
 157                                 (void)printf(" %.*s", MAXHOSTNAME, w->host);
 158 no_gecos:
 159                         putchar('\n');
 160                 }
 161         }
 162 }
 163
 164 static void
 165 stimeprint(WHERE *w)
 166 {
 167         struct tm *delta;
 168
 169         if (w->idletime == -1) {
 170                 (void)printf("     ");
 171                 return;
 172         }
 173
 174         delta = gmtime(&w->idletime);
 175         if (!delta->tm_yday)
 176                 if (!delta->tm_hour)
 177                         if (!delta->tm_min)
 178                                 (void)printf("     ");
 179                         else
 180                                 (void)printf("%5d", delta->tm_min);
 181                 else
 182                         (void)printf("%2d:%02d",
 183                             delta->tm_hour, delta->tm_min);
 184         else
 185                 (void)printf("%4dd", delta->tm_yday);
 186 }