585 lines
13 KiB
Bash
585 lines
13 KiB
Bash
#!/bin/sh /etc/rc.common
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# Copyright (C) 2008 Alina Friedrichsen <x-alina@gmx.net>
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# Special thanks to bittorf wireless ))
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START=50
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OLSRD_OLSRD_SCHEMA='ignore:internal config_file:internal DebugLevel=0 IpVersion=4 AllowNoInt:bool=1 Pollrate=0.025 TcRedundancy=2 MprCoverage=3 LinkQualityFishEye=1 LinkQualityWinSize=100 LinkQualityDijkstraLimit=0+9.0 LinkQualityLevel=2 UseHysteresis:bool=0 FIBMetric=flat ClearScreen:bool=1 Willingness=3 LinkQualityAging=0.1 LinkQualityAlgorithm=etx_fpm'
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OLSRD_IPCCONNECT_SCHEMA='ignore:internal Host:list Net:list2'
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OLSRD_LOADPLUGIN_SCHEMA='ignore:internal library:internal Host4:list Net4:list2 Host:list Net:list2 Host6:list Net6:list2 Ping:list redistribute:list NonOlsrIf:list name:list lat lon latlon_infile HNA:list2 hosts:list2'
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OLSRD_INTERFACE_SCHEMA='ignore:internal interface:internal AutoDetectChanges:bool Ip4Broadcast=255.255.255.255 HelloInterval=2.0 HelloValidityTime=40.0 TcInterval=5.0 TcValidityTime=100.0 MidInterval=18.0 MidValidityTime=324.0 HnaInterval=18.0 HnaValidityTime=108.0'
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T=' '
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N='
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'
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validate_varname() {
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local varname="$1"
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[ -z "$varname" -o "$varname" != "${varname%%[!A-Za-z0-9_]*}" ] && return 1
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return 0
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}
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validate_ifname() {
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local ifname="$1"
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[ -z "$ifname" -o "$ifname" != "${ifname%%[!A-Za-z0-9.:_-]*}" ] && return 1
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return 0
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}
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validate_olsrd_option() {
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local str="$1"
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[ -z "$str" -o "$str" != "${str%%[! 0-9A-Za-z./:_-]*}" ] && return 1
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return 0
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}
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get_ifname() {
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IFNAME=
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local interface="$1"
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validate_varname "$interface" || return 1
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local ifname
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config_get ifname "$interface" ifname
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validate_ifname "$ifname" || return 1
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IFNAME="$ifname"
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return 0
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}
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system_config() {
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local cfg="$1"
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local cfgt
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local hostname
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local latlon
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config_get cfgt "$cfg" TYPE
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if [ "$cfgt" = "system" ]; then
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config_get hostname "$cfg" hostname
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hostname="${hostname:-OpenWrt}"
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SYSTEM_HOSTNAME="$hostname"
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fi
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if [ -z "$SYSTEM_LAT" -o -z "$SYSTEM_LON" ]; then
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config_get latlon "$cfg" latlon
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IFS=" ${T}${N},"
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set -- $latlon
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unset IFS
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SYSTEM_LAT="$1"
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SYSTEM_LON="$2"
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fi
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if [ -z "$SYSTEM_LAT" -o -z "$SYSTEM_LON" ]; then
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config_get latlon "$cfg" latitude
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SYSTEM_LAT="$latlon"
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config_get latlon "$cfg" longitude
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SYSTEM_LON="$latlon"
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fi
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}
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olsrd_find_config_file() {
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local cfg="$1"
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validate_varname "$cfg" || return 0
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config_get_bool ignore "$cfg" ignore 0
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[ "$ignore" -ne 0 ] && return 0
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config_get OLSRD_CONFIG_FILE "$cfg" config_file
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return 0
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}
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warning_invalid_value() {
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local package="$1"
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validate_varname "$package" || package=
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local config="$2"
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validate_varname "$config" || config=
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local option="$3"
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validate_varname "$option" || option=
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echo -n "Warning: Invalid value" 1>&2
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if [ -n "$package" -a -n "$config" ]; then
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echo -n " in option '$package.$config${option:+.}$option'" 1>&2
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fi
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echo ", skipped" 1>&2
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return 0
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}
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olsrd_write_option() {
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local param="$1"
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local cfg="$2"
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validate_varname "$cfg" || return 1
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local option="$3"
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validate_varname "$option" || return 1
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local value="$4"
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local option_type="$5"
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if [ "$option_type" = bool ]; then
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case "$value" in
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1|on|true|enabled|yes) value=yes;;
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0|off|false|disabled|no) value=no;;
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*) warning_invalid_value olsrd "$cfg" "$option"; return 1;;
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esac
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fi
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if ! validate_olsrd_option "$value"; then
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warning_invalid_value olsrd "$cfg" "$option"
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return 1
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fi
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if [ "$value" != "${value%%[G-Zg-z_-]*}" ]; then
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if [ "$option" != "Ip6AddrType" -a "$value" != "yes" -a "$value" != "no" ]; then
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value="\"$value\""
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fi
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fi
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echo -n "${N}$param$option $value"
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return 0
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}
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olsrd_write_plparam() {
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local param="$1"
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local cfg="$2"
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validate_varname "$cfg" || return 1
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local option="$3"
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validate_varname "$option" || return 1
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local value="$4"
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local option_type="$5"
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local _option
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if [ "$option_type" = bool ]; then
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case "$value" in
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1|on|true|enabled|yes) value=yes;;
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0|off|false|disabled|no) value=no;;
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*) warning_invalid_value olsrd "$cfg" "$option"; return 1;;
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esac
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fi
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if ! validate_olsrd_option "$value"; then
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warning_invalid_value olsrd "$cfg" "$option"
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return 1
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fi
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IFS='-_'
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set -- $option
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option="$*"
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unset IFS
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_option="$option"
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if [ "$option" = 'hosts' ]; then
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set -- $value
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option="$1"
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shift
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value="$*"
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fi
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echo -n "${N}${param}PlParam \"$option\" \"$value\""
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return 0
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}
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config_update_schema() {
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unset IFS
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local schema_varname="$1"
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validate_varname "$schema_varname" || return 1
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local command="$2"
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validate_varname "$command" || return 1
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local option="$3"
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validate_varname "$option" || return 1
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local value="$4"
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local schema
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local cur_option
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case "$varname" in
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*_LENGTH) return 0;;
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*_ITEM*) return 0;;
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esac
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eval "export -n -- \"schema=\${$schema_varname}\""
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for cur_option in $schema; do
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[ "${cur_option%%[:=]*}" = "$option" ] && return 0
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done
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if [ "$command" = list ]; then
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set -- $value
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if [ "$#" -ge "3" ]; then
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schema_entry="$option:list3"
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elif [ "$#" -ge "2" ]; then
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schema_entry="$option:list2"
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else
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schema_entry="$option:list"
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fi
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else
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schema_entry="$option"
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fi
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append "$schema_varname" "$schema_entry"
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return 0
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}
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config_write_options() {
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unset IFS
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local schema="$1"
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local cfg="$2"
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validate_varname "$cfg" || return 1
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local write_func="$3"
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[ -z "$write_func" ] && output_func=echo
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local write_param="$4"
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local schema_entry
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local option
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local option_length
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local option_type
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local default
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local value
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local list_size
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local list_item
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local list_value
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local i
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local position
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for schema_entry in $schema; do
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default="${schema_entry#*[=]}"
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[ "$default" = "$schema_entry" ] && default=
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option="${schema_entry%%[=]*}"
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IFS=':'
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set -- $option
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unset IFS
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option="$1"
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option_type="$2"
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validate_varname "$option" || continue
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[ -z "$option_type" ] || validate_varname "$option_type" || continue
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[ "$option_type" = internal ] && continue
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config_get value "$cfg" "$option"
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if [ -z "$value" ]; then
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IFS='+'
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set -- $default
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unset IFS
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value=$*
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elif [ "$value" = '-' -a -n "$default" ]; then
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continue
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fi
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[ -z "$value" ] && continue
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case "$option_type" in
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list) list_size=1;;
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list2) list_size=2;;
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list3) list_size=3;;
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*) list_size=0;;
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esac
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if [ "$list_size" -gt 0 ]; then
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config_get option_length "$cfg" "${option}_LENGTH"
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if [ -n "$option_length" ]; then
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i=1
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while [ "$i" -le "$option_length" ]; do
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config_get list_value "$cfg" "${option}_ITEM$i"
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"$write_func" "$write_param" "$cfg" "$option" "$list_value" "$option_type" || break
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i=$((i + 1))
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done
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else
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list_value=
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i=0
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for list_item in $value; do
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append "list_value" "$list_item"
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i=$((i + 1))
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position=$((i % list_size))
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if [ "$position" -eq 0 ]; then
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"$write_func" "$write_param" "$cfg" "$option" "$list_value" "$option_type" || break
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list_value=
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fi
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done
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[ "$position" -ne 0 ] && "$write_func" "$write_param" "$cfg" "$option" "$list_value" "$option_type"
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fi
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else
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"$write_func" "$write_param" "$cfg" "$option" "$value" "$option_type"
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fi
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done
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return 0
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}
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olsrd_write_olsrd() {
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local cfg="$1"
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validate_varname "$cfg" || return 0
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local ignore
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local ipversion
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config_get_bool ignore "$cfg" ignore 0
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[ "$ignore" -ne 0 ] && return 0
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[ "$OLSRD_COUNT" -gt 0 ] && return 0
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config_get ipversion "$cfg" IpVersion
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if [ "$ipversion" = "6and4" ]; then
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OLSRD_IPVERSION_6AND4=1
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config_set "$cfg" IpVersion '6'
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fi
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config_write_options "$OLSRD_OLSRD_SCHEMA" "$cfg" olsrd_write_option
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echo
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OLSRD_COUNT=$((OLSRD_COUNT + 1))
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return 0
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}
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olsrd_write_ipcconnect() {
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local cfg="$1"
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validate_varname "$cfg" || return 0
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local ignore
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config_get_bool ignore "$cfg" ignore 0
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[ "$ignore" -ne 0 ] && return 0
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[ "$IPCCONNECT_COUNT" -gt 0 ] && return 0
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echo -n "${N}IpcConnect${N}{"
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config_write_options "$OLSRD_IPCCONNECT_SCHEMA" "$cfg" olsrd_write_option "${T}"
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echo "${N}}"
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IPCCONNECT_COUNT=$((IPCCONNECT_COUNT + 1))
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return 0
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}
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olsrd_write_hna4() {
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local cfg="$1"
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validate_varname "$cfg" || return 0
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local ignore
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config_get_bool ignore "$cfg" ignore 0
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[ "$ignore" -ne 0 ] && return 0
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config_get netaddr "$cfg" netaddr
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if ! validate_olsrd_option "$netaddr"; then
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warning_invalid_value olsrd "$cfg" "netaddr"
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return 0
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fi
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config_get netmask "$cfg" netmask
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if ! validate_olsrd_option "$netmask"; then
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warning_invalid_value olsrd "$cfg" "netmask"
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return 0
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fi
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[ "$HNA4_COUNT" -le 0 ] && echo -n "${N}Hna4${N}{"
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echo -n "${N}${T}$netaddr $netmask"
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HNA4_COUNT=$((HNA4_COUNT + 1))
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return 0
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}
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olsrd_write_hna6() {
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local cfg="$1"
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validate_varname "$cfg" || return 0
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local ignore
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config_get_bool ignore "$cfg" ignore 0
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[ "$ignore" -ne 0 ] && return 0
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config_get netaddr "$cfg" netaddr
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if ! validate_olsrd_option "$netaddr"; then
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warning_invalid_value olsrd "$cfg" "netaddr"
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return 0
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fi
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config_get prefix "$cfg" prefix
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if ! validate_olsrd_option "$prefix"; then
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warning_invalid_value olsrd "$cfg" "prefix"
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return 0
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fi
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[ "$HNA6_COUNT" -le 0 ] && echo -n "${N}Hna6${N}{"
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echo -n "${N}${T}$netaddr $prefix"
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HNA6_COUNT=$((HNA6_COUNT + 1))
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return 0
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}
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olsrd_write_loadplugin() {
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local cfg="$1"
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validate_varname "$cfg" || return 0
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local ignore
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local name
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local suffix
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local lat
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local lon
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local latlon_infile
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config_get_bool ignore "$cfg" ignore 0
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[ "$ignore" -ne 0 ] && return 0
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config_get library "$cfg" library
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if ! validate_olsrd_option "$library"; then
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warning_invalid_value olsrd "$cfg" "library"
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return 0
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fi
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if ! [ -x "/lib/$library" -o -x "/usr/lib/$library" -o -x "/usr/local/lib/$library" ]; then
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echo "Warning: Plugin library '$library' not found, skipped" 1>&2
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return 0
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fi
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case "$library" in
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olsrd_nameservice.*)
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config_get name "$cfg" name
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[ -z "$name" ] && config_set "$cfg" name $SYSTEM_HOSTNAME
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config_get suffix "$cfg" suffix
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[ -z "$suffix" ] && config_set "$cfg" suffix '.olsr'
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config_get lat "$cfg" lat
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config_get lon "$cfg" lon
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config_get latlon_infile "$cfg" latlon_infile
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if [ \( -z "$lat" -o -z "$lat" \) -a -z "$latlon_infile" ]; then
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if [ -f '/var/run/latlon.txt' ]; then
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config_set "$cfg" lat ''
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config_set "$cfg" lon ''
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config_set "$cfg" latlon_infile '/var/run/latlon.txt'
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else
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config_set "$cfg" lat "$SYSTEM_LAT"
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config_set "$cfg" lon "$SYSTEM_LON"
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fi
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fi
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config_get latlon_file "$cfg" latlon_file
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[ -z "$latlon_file" ] && config_set "$cfg" latlon_file '/var/run/latlon.js'
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;;
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esac
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echo -n "${N}LoadPlugin \"$library\"${N}{"
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config_write_options "$OLSRD_LOADPLUGIN_SCHEMA" "$cfg" olsrd_write_plparam "${T}"
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echo "${N}}"
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return 0
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}
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olsrd_write_interface() {
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local cfg="$1"
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validate_varname "$cfg" || return 0
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local ignore
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local interfaces
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local interface
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local ifnames
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config_get_bool ignore "$cfg" ignore 0
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[ "$ignore" -ne 0 ] && return 0
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ifnames=
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config_get interfaces "$cfg" interface
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for interface in $interfaces; do
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if validate_varname "$interface"; then
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if get_ifname "$interface"; then
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ifnames="$ifnames \"$IFNAME\""
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else
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echo "Warning: Interface '$interface' not found, skipped" 1>&2
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fi
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else
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warning_invalid_value olsrd "$cfg" "interface"
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fi
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done
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[ -z "$ifnames" ] && return 0
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echo -n "${N}Interface$ifnames${N}{"
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config_write_options "$OLSRD_INTERFACE_SCHEMA" "$cfg" olsrd_write_option "${T}"
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echo "${N}}"
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INTERFACES_COUNT=$((INTERFACES_COUNT + 1))
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return 0
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}
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olsrd_update_schema() {
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local command="$1"
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validate_varname "$command" || return 0
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local varname="$2"
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validate_varname "$varname" || return 0
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local value="$3"
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local cfg="$CONFIG_SECTION"
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local cfgt
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local cur_varname
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config_get cfgt "$cfg" TYPE
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case "$cfgt" in
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olsrd) config_update_schema OLSRD_OLSRD_SCHEMA "$command" "$varname" "$value";;
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IpcConnect) config_update_schema OLSRD_IPCCONNECT_SCHEMA "$command" "$varname" "$value";;
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LoadPlugin) config_update_schema OLSRD_LOADPLUGIN_SCHEMA "$command" "$varname" "$value";;
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Interface) config_update_schema OLSRD_INTERFACE_SCHEMA "$command" "$varname" "$value";;
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esac
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return 0
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}
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olsrd_write_config() {
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OLSRD_IPVERSION_6AND4=0
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OLSRD_COUNT=0
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config_foreach olsrd_write_olsrd olsrd
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IPCCONNECT_COUNT=0
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config_foreach olsrd_write_ipcconnect IpcConnect
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HNA4_COUNT=0
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config_foreach olsrd_write_hna4 Hna4
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[ "$HNA4_COUNT" -gt 0 ] && echo "${N}}"
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HNA6_COUNT=0
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config_foreach olsrd_write_hna6 Hna6
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[ "$HNA6_COUNT" -gt 0 ] && echo "${N}}"
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config_foreach olsrd_write_loadplugin LoadPlugin
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INTERFACES_COUNT=0
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config_foreach olsrd_write_interface Interface
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echo
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return 0
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}
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start() {
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SYSTEM_HOSTNAME=
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SYSTEM_LAT=
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SYSTEM_LON=
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config_load system
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config_foreach system_config system
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option_cb() {
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olsrd_update_schema "option" "$@"
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}
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list_cb() {
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|
olsrd_update_schema "list" "$@"
|
|
}
|
|
|
|
include /lib/network
|
|
scan_interfaces
|
|
config_load olsrd
|
|
reset_cb
|
|
|
|
OLSRD_CONFIG_FILE=
|
|
config_foreach olsrd_find_config_file olsrd
|
|
|
|
if [ -z "$OLSRD_CONFIG_FILE" ]; then
|
|
mkdir -p -- /var/etc/
|
|
olsrd_write_config > /var/etc/olsrd.conf
|
|
if [ "$INTERFACES_COUNT" -gt 0 -a "$OLSRD_COUNT" -gt 0 ]; then
|
|
OLSRD_CONFIG_FILE=/var/etc/olsrd.conf
|
|
fi
|
|
fi
|
|
|
|
[ -z "$OLSRD_CONFIG_FILE" ] && return 1
|
|
|
|
local bindv6only='0'
|
|
if [ "$OLSRD_IPVERSION_6AND4" -ne 0 ]; then
|
|
bindv6only="$(sysctl -n net.ipv6.bindv6only)"
|
|
sysctl -w net.ipv6.bindv6only=1
|
|
fi
|
|
|
|
olsrd -f "$OLSRD_CONFIG_FILE" -nofork < /dev/null > /dev/null &
|
|
|
|
if [ "$OLSRD_IPVERSION_6AND4" -ne 0 ]; then
|
|
sed -e 's/^IpVersion[ ][ ]*6$/IpVersion 4/' < "$OLSRD_CONFIG_FILE" > /var/etc/olsrd.conf.ipv4
|
|
olsrd -f /var/etc/olsrd.conf.ipv4 -nofork < /dev/null > /dev/null &
|
|
sleep 3
|
|
sysctl -w net.ipv6.bindv6only="$bindv6only"
|
|
fi
|
|
}
|
|
|
|
stop() {
|
|
killall olsrd
|
|
}
|