usr/src/cmd/calendar/calendar.sh

   1 #!/usr/bin/sh
   2 #
   3 # CDDL HEADER START
   4 #
   5 # The contents of this file are subject to the terms of the
   6 # Common Development and Distribution License, Version 1.0 only
   7 # (the "License").  You may not use this file except in compliance
   8 # with the License.
   9 #
  10 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  11 # or http://www.opensolaris.org/os/licensing.
  12 # See the License for the specific language governing permissions
  13 # and limitations under the License.
  14 #
  15 # When distributing Covered Code, include this CDDL HEADER in each
  16 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  17 # If applicable, add the following below this CDDL HEADER, with the
  18 # fields enclosed by brackets "[]" replaced with your own identifying
  19 # information: Portions Copyright [yyyy] [name of copyright owner]
  20 #
  21 # CDDL HEADER END
  22 #
  23 #       Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
  24 #         All Rights Reserved
  25
  26
  27 #       Copyright (c) 1999 by Sun Microsystems, Inc.
  28 #       All rights reserved.
  29
  30 #ident  "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.8   */
  31 #       calendar.sh - calendar command, uses /usr/lib/calprog
  32
  33 PATH=/usr/bin
  34 USAGE="usage: calendar [ - ]"
  35
  36 # mktmpdir - Create a private (mode 0700) temporary directory inside of /tmp
  37 mktmpdir() {
  38         tmpdir=/tmp/calendar.$$
  39         /usr/bin/mkdir -m 700 $tmpdir || exit 1
  40 }
  41 mktmpdir
  42 _tmp=$tmpdir/cal$$
  43
  44 cleanup()
  45 {
  46         /usr/bin/rm -rf $tmpdir
  47 }
  48
  49 # Trap on SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGTERM
  50 for i in 1 2 3 13 15
  51 do
  52         # Ignore trap if already set by the shell.  NOTE: If /bin/sh
  53         # is made XCU4 compliant, updates will also be required to this
  54         # if statement because of XCU4 changes to the trap built-in.
  55         TRAP_IGNORE=`trap | egrep -c "^$i:\$"`
  56         if [ "$TRAP_IGNORE" != "1" ]
  57         then
  58                 # Cleanup; reset default value; send signal to process.
  59                 trap "cleanup; trap $i; kill -$i $$" $i
  60         fi
  61 done
  62
  63 # POSIX.2 and XCU4 specify that if a utility accepts an operand,
  64 # it also handle -- as a delimitor.
  65 if [ "$1" = -- ]; then
  66         shift
  67 fi
  68
  69 case $# in
  70 0)      if [ -f calendar ]; then
  71                 /usr/lib/calprog > ${_tmp}
  72                 egrep -f ${_tmp} calendar
  73         else
  74                 echo >&2 $0: `pwd`/calendar not found
  75                 exit 1
  76         fi;;
  77 *)      case $* in
  78         -)      if (rpcinfo -p | fgrep -s ypbind); then
  79                         caldata="ypcat passwd.byname | grep /`uname -n`/"
  80                 else
  81                         caldata="cat /dev/null"
  82                 fi
  83                 /usr/lib/calprog > ${_tmp}
  84                 eval $caldata | cat /etc/passwd - | \
  85                 sed 's/\([^:]*\):.*:\(.*\):[^:]*$/_dir=\2 _user=\1/' | \
  86                 while read _token; do
  87                         eval ${_token}  # evaluates _dir= and _user=
  88                         if [ -s ${_dir}/calendar ]; then
  89                                 egrep -f ${_tmp} ${_dir}/calendar 2>/dev/null \
  90                                         > $tmpdir/calendar.$$
  91                                 if [ -s $tmpdir/calendar.$$ ]; then
  92                                         mail ${_user} < $tmpdir/calendar.$$
  93                                 fi
  94                         fi
  95                 done;;
  96         *)      echo >&2 $0: illegal option -- $@
  97                 echo >&2 $USAGE
  98                 exit 1
  99         esac
 100 esac
 101 cleanup
 102 exit 0