launchd/src/service

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