launchd/src/service

   1 #!/bin/sh
   2
   3 set -e
   4
   5 # don't let people kill us. We shouldn't be long, so this isn't a big deal.
   6
   7 trap "" TSTP
   8 trap "" HUP
   9 trap "" INT
  10 trap "" QUIT
  11 trap "" TERM
  12
  13 function restart_xinetd ()
  14 {
  15         lockfile -r-1 /var/run/.xinetd-restart.lock
  16         kill -HUP $(cat /var/run/xinetd.pid 2>/dev/null) 2>/dev/null || /usr/sbin/xinetd -pidfile /var/run/xinetd.pid
  17         rm -f /var/run/.xinetd-restart.lock
  18 }
  19
  20 function restart_xinetd_hard ()
  21 {
  22         lockfile -r-1 /var/run/.xinetd-restart.lock
  23         kill -TERM $(cat /var/run/xinetd.pid 2>/dev/null) 2>/dev/null || echo >/dev/null
  24         kill -0 $(cat /var/run/xinetd.pid 2>/dev/null) 2>/dev/null && sleep 1
  25         /usr/sbin/xinetd -pidfile /var/run/xinetd.pid
  26         rm -f /var/run/.xinetd-restart.lock
  27 }
  28
  29 if [ $# -eq 0 ]
  30 then
  31    echo "Usage: $(basename $0) --list | <service-name> <command>" >&2
  32    exit 1
  33 fi
  34
  35 if [ "$1" == "--list" ]
  36 then
  37         echo smtp
  38         echo fax-receive
  39         cd /etc/xinetd.d 2>/dev/null
  40         ls -1
  41         cd /System/Library/LaunchDaemons 2>/dev/null
  42         ls -1 | egrep '.plist$' | sed 's,.plist$,,g'
  43         exit 0
  44 elif [ "$1" == "--test-if-configured-on" ]
  45 then
  46         if [ -f "/etc/xinetd.d/$2" ]
  47         then
  48                 egrep "disable.*=.*no" /etc/xinetd.d/$2 >/dev/null 2>&1
  49                 exit $?
  50         fi
  51         if [ -f /System/Library/LaunchDaemons/$2.plist ]
  52         then
  53                 IS_OFF=$(defaults read /System/Library/LaunchDaemons/$2 Disabled 2>/dev/null || true)
  54                 if [ "$IS_OFF" = 1 ]
  55                 then
  56                         exit 1
  57                 else
  58                         exit 0
  59                 fi
  60         fi
  61         if [ "$2" = "smtp" ]
  62         then
  63                 egrep '^MAILSERVER.*-YES-' /etc/hostconfig >/dev/null 2>&1
  64                 exit $?
  65         fi
  66         if [ "$2" = "fax-receive" ]
  67         then
  68                 egrep '^fax.*unknown.*on$' /etc/ttys >/dev/null 2>&1
  69                 exit $?
  70         fi
  71         exit 1
  72 elif [ "$1" == "--test-if-available" ]
  73 then
  74         [ -f /System/Library/LaunchDaemons/$2.plist ] && exit 0
  75         [ "$2" = "smtp" ] && exit 0
  76         [ "$2" = "fax-receive" ] && exit 0
  77         [ ! -f "/etc/xinetd.d/$2" ] && exit 1
  78         SERVER_FILE=$(egrep 'server[    ]' "/etc/xinetd.d/$2" | sed 's,.*server[        ]*=[    ]*\(.*\),\1,g')
  79         [ ! -f "$SERVER_FILE" ] && exit 1
  80         exit 0
  81 elif [ -f "/etc/xinetd.d/$1" ]
  82 then
  83         if [ $UID != 0 ]
  84         then
  85                 echo "You must be root to run this option" >&2
  86                 exit 1
  87         fi
  88         # yes, /var/run is gross, but it is tmp directory cleaned up a boot,
  89         # writable only by root (so i don't need to worry about the security
  90         # implications of mktemp)
  91         TMPFILE=$(mktemp /var/run/xinetd.tmp.$$.XXXXXX)
  92         cp -f "/etc/xinetd.d/$1" $TMPFILE
  93         if [ "$2" == start ]
  94         then
  95                 sed 's/disable.*=.*/disable = no/g' < $TMPFILE > "/etc/xinetd.d/$1"
  96                 restart_xinetd
  97         elif [ "$2" == stop ]
  98         then
  99                 sed 's/disable.*=.*/disable = yes/g' < $TMPFILE > "/etc/xinetd.d/$1"
 100                 if [ "$1" == "nmbd" ]
 101                 then
 102                         restart_xinetd_hard
 103                         kill -TERM $(cat /var/run/nmbd.pid) || echo >/dev/null
 104                 else
 105                         restart_xinetd
 106                 fi
 107         else
 108                 echo "No such service command" >&2
 109         fi
 110         rm -f $TMPFILE
 111 elif [ -f "/System/Library/LaunchDaemons/$1.plist" ]
 112 then
 113         [ "$2" == start ] && launchctl load -w /System/Library/LaunchDaemons/$1.plist
 114         [ "$2" == stop  ] && launchctl unload -w /System/Library/LaunchDaemons/$1.plist
 115 elif [ "$1" = "smtp" ]
 116 then
 117         if [ $UID != 0 ]
 118         then
 119                 echo "You must be root to run this option" >&2
 120                 exit 1
 121         fi
 122         TMPFILE=$(mktemp /var/run/xinetd.tmp.$$.XXXXXX)
 123         cp -f /etc/hostconfig $TMPFILE
 124         if [ "$2" == start ]
 125         then
 126                 if grep -q MAILSERVER=-NO- /etc/hostconfig ; then
 127                         sed 's,^MAILSERVER=-NO-,MAILSERVER=-YES-,g' < $TMPFILE > /etc/hostconfig
 128                 fi
 129                 postfix start
 130                 postfix flush
 131         elif [ "$2" == stop ]
 132         then
 133                 if grep -q MAILSERVER=-YES- /etc/hostconfig ; then
 134                         sed 's,^MAILSERVER=-YES-,MAILSERVER=-NO-,g' < $TMPFILE > /etc/hostconfig
 135                 fi
 136                 postfix stop
 137         else
 138                 echo "No such service command" >&2
 139         fi
 140         rm -f $TMPFILE
 141 elif [ "$1" = "fax-receive" ]
 142 then
 143         if [ $UID != 0 ]
 144         then
 145                 echo "You must be root to run this option" >&2
 146                 exit 1
 147         fi
 148         TMPFILE=$(mktemp /var/run/xinetd.tmp.$$.XXXXXX)
 149         cp -f /etc/ttys $TMPFILE
 150         if [ "$2" == start ]
 151         then
 152                 sed 's,^fax\(.*\)off$,fax\1on,g' < $TMPFILE > /etc/ttys
 153                 kill -HUP 1
 154         elif [ "$2" == stop ]
 155         then
 156                 sed 's,^fax\(.*\)on$,fax\1off,g' < $TMPFILE > /etc/ttys
 157                 kill -HUP 1
 158         else
 159                 echo "No such service command" >&2
 160         fi
 161         rm -f $TMPFILE
 162 else
 163         echo "No such service $1" >&2
 164         exit 1
 165 fi