etherwake: import from packages

[feed/packages.git] / net / etherwake / files / etherwake.init

diff --git a/net/etherwake/files/etherwake.init b/net/etherwake/files/etherwake.init
new file mode 100644 (file)
index 0000000..0504cf1
--- /dev/null
+++ b/net/etherwake/files/etherwake.init
@@ -0,0 +1,132 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2009 OpenWrt.org
+
+NAME='etherwake'
+START=60
+PROGRAM=''
+
+start()
+{
+       local searchlist=''
+       local section=''
+       local value=''
+
+       config_load "${NAME}"
+
+       # check for available program
+       config_get searchlist 'setup' 'pathes'
+       PROGRAM=$(search_program "${searchlist}")
+       [ -z "${PROGRAM}" ] && {
+               echo "${initscript}: No ${NAME} program installed. Check: opkg list | grep ${NAME}"
+               exit 1
+       }
+
+       # sudo
+       config_get_bool value 'setup' 'sudo' '0'
+       [ "${value}" -ne 0 ] && PROGRAM="sudo ${PROGRAM}"
+
+       # interface
+       config_get value 'setup' 'interface'
+       [ -n "${value}" ] && append PROGRAM "-i ${value}"
+
+       # broadcast
+       config_get_bool value 'setup' 'broadcast' '0'
+       [ "${value}" -ne 0 ] && append PROGRAM '-b'
+
+       # wake up targets
+       config_foreach etherwake_start target $*
+}
+
+etherwake_start()
+{
+       local section="$1"
+       shift
+
+       local names="$*"
+
+       local value=''
+       local target=''
+
+       if [ -z "${names}" ]
+        then
+               # check if boot target
+               config_get_bool value "${section}" 'wakeonboot' '0'
+               [ "${value}" -eq 0 ] && return 0
+
+               # wake up target
+               do_etherwake "${section}"
+               return $?
+       else
+               # name
+               config_get value "${section}" 'name'
+               [ -z "${value}" ] && return 0
+
+               for target in ${names}
+                do
+                       [ "${value}" != "${target}" ] && continue
+
+                       # wake up target
+                       do_etherwake "${section}"
+                       return $?
+               done
+       fi
+}
+
+# execute etherwake command for target
+do_etherwake()
+{
+       local section="$1"
+       local value=''
+       local password=''
+       local args=''
+
+       # password
+       config_get value "${section}" 'password'
+       [ -n "${value}" ] && {
+               password=$(etherwake_password "${value}")
+               append args "-p ${password}"
+       }
+
+       # mac address
+       config_get value "${section}" 'mac'
+       [ -z "${value}" ] && { echo "${initscript}: Target ${section} has no MAC address"; return 1; }
+       append args "${value}"
+
+       # name
+       config_get value "${section}" 'name'
+       [ -z "${value}" ] && value="{section}"
+
+       # execute command
+       echo "${initscript}: Waking up ${value} via ${PROGRAM}${args:+ ${args}}"
+       ${PROGRAM} ${args}
+       return $?
+}
+
+
+# find first available program from searchlist
+search_program()
+{
+       local searchlist="$1"
+       local test=''
+       local program=''
+
+       for test in ${searchlist} ; do
+               [ -x "${test}" ] && {
+                       program="${test}"
+                       break;
+               }
+       done
+
+       [ -n "${program}" ] && echo "${program}"
+
+       return
+}
+
+# prepare hex password
+etherwake_password()
+{
+       local delimiter=':'
+       local password=`echo "$1" | sed "s/../&${delimiter}/g"`
+       echo "${password%${delimiter}}"
+       return
+}