lede-packages-rs

git clone git://archive.git.mtrnord.blog/MTRNord/lede-packages-rs.git
Log | Files | Refs | README | LICENSE

etherwake.init (2459B)

      1 #!/bin/sh /etc/rc.common
      2 # Copyright (C) 2009 OpenWrt.org
      3 
      4 NAME='etherwake'
      5 START=60
      6 PROGRAM=''
      7 
      8 start()
      9 {
     10 	local searchlist=''
     11 	local section=''
     12 	local value=''
     13 
     14 	config_load "${NAME}"
     15 
     16 	# check for available program
     17 	config_get searchlist 'setup' 'pathes'
     18 	PROGRAM=$(search_program "${searchlist}")
     19 	[ -z "${PROGRAM}" ] && {
     20 		echo "${initscript}: No ${NAME} program installed. Check: opkg list | grep ${NAME}"
     21 		exit 1
     22 	}
     23 
     24 	# sudo
     25 	config_get_bool value 'setup' 'sudo' '0'
     26 	[ "${value}" -ne 0 ] && PROGRAM="sudo ${PROGRAM}"
     27 
     28 	# interface
     29 	config_get value 'setup' 'interface'
     30 	[ -n "${value}" ] && append PROGRAM "-i ${value}"
     31 
     32 	# broadcast
     33 	config_get_bool value 'setup' 'broadcast' '0'
     34 	[ "${value}" -ne 0 ] && append PROGRAM '-b'
     35 
     36 	# wake up targets
     37 	config_foreach etherwake_start target $*
     38 }
     39 
     40 etherwake_start()
     41 {
     42 	local section="$1"
     43 	shift
     44 
     45 	local names="$*"
     46 
     47 	local value=''
     48 	local target=''
     49 
     50 	if [ -z "${names}" ]
     51 	 then
     52 		# check if boot target
     53 		config_get_bool value "${section}" 'wakeonboot' '0'
     54 		[ "${value}" -eq 0 ] && return 0
     55 
     56 		# wake up target
     57 		do_etherwake "${section}"
     58 		return $?
     59 	else
     60 		# name
     61 		config_get value "${section}" 'name'
     62 		[ -z "${value}" ] && return 0
     63 
     64 		for target in ${names}
     65 		 do
     66 			[ "${value}" != "${target}" ] && continue
     67 
     68 			# wake up target
     69 			do_etherwake "${section}"
     70 			return $?
     71 		done
     72 	fi
     73 }
     74 
     75 # execute etherwake command for target
     76 do_etherwake()
     77 {
     78 	local section="$1"
     79 	local value=''
     80 	local password=''
     81 	local args=''
     82 
     83 	# password
     84 	config_get value "${section}" 'password'
     85 	[ -n "${value}" ] && {
     86 		password=$(etherwake_password "${value}")
     87 		append args "-p ${password}"
     88 	}
     89 
     90 	# mac address
     91 	config_get value "${section}" 'mac'
     92 	[ -z "${value}" ] && { echo "${initscript}: Target ${section} has no MAC address"; return 1; }
     93 	append args "${value}"
     94 
     95 	# name
     96 	config_get value "${section}" 'name'
     97 	[ -z "${value}" ] && value="{section}"
     98 
     99 	# execute command
    100 	echo "${initscript}: Waking up ${value} via ${PROGRAM}${args:+ ${args}}"
    101 	${PROGRAM} ${args}
    102 	return $?
    103 }
    104 
    105 
    106 # find first available program from searchlist
    107 search_program()
    108 {
    109 	local searchlist="$1"
    110 	local test=''
    111 	local program=''
    112 
    113 	for test in ${searchlist} ; do
    114 		[ -x "${test}" ] && {
    115 			program="${test}"
    116 			break;
    117 		}
    118 	done
    119 
    120 	[ -n "${program}" ] && echo "${program}"
    121 
    122 	return
    123 }
    124 
    125 # prepare hex password
    126 etherwake_password()
    127 {
    128 	local delimiter=':'
    129 	local password=`echo "$1" | sed "s/../&${delimiter}/g"`
    130 	echo "${password%${delimiter}}"
    131 	return
    132 }