#!/bin/sh # Copyright (C) 2006-2011 OpenWrt.org # Copyright (C) 2006 Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de> debug () { ${DEBUG:-:} "$@" } mount() { busybox mount "$@" } # newline N=" " _C=0 NO_EXPORT=1 LOAD_STATE=1 LIST_SEP=" " hotplug_dev() { env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug-call net } append() { local var="$1" local value="$2" local sep="${3:- }" eval "export ${NO_EXPORT:+-n} -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\"" } list_contains() { local var="$1" local str="$2" local val eval "val=\" \${$var} \"" [ "${val%% $str *}" != "$val" ] } list_remove() { local var="$1" local remove="$2" local val eval "val=\" \${$var} \"" val1="${val%% $remove *}" [ "$val1" = "$val" ] && return val2="${val##* $remove }" [ "$val2" = "$val" ] && return val="${val1## } ${val2%% }" val="${val%% }" eval "export ${NO_EXPORT:+-n} -- \"$var=\$val\"" } config_load() { [ -n "$IPKG_INSTROOT" ] && return 0 uci_load "$@" } reset_cb() { config_cb() { return 0; } option_cb() { return 0; } list_cb() { return 0; } } reset_cb package() { return 0 } config () { local cfgtype="$1" local name="$2" export ${NO_EXPORT:+-n} CONFIG_NUM_SECTIONS=$(($CONFIG_NUM_SECTIONS + 1)) name="${name:-cfg$CONFIG_NUM_SECTIONS}" append CONFIG_SECTIONS "$name" [ -n "$NO_CALLBACK" ] || config_cb "$cfgtype" "$name" export ${NO_EXPORT:+-n} CONFIG_SECTION="$name" export ${NO_EXPORT:+-n} "CONFIG_${CONFIG_SECTION}_TYPE=$cfgtype" } option () { local varname="$1"; shift local value="$*" export ${NO_EXPORT:+-n} "CONFIG_${CONFIG_SECTION}_${varname}=$value" [ -n "$NO_CALLBACK" ] || option_cb "$varname" "$*" } list() { local varname="$1"; shift local value="$*" local len config_get len "$CONFIG_SECTION" "${varname}_LENGTH" 0 [ $len = 0 ] && append CONFIG_LIST_STATE "${CONFIG_SECTION}_${varname}" len=$(($len + 1)) config_set "$CONFIG_SECTION" "${varname}_ITEM$len" "$value" config_set "$CONFIG_SECTION" "${varname}_LENGTH" "$len" append "CONFIG_${CONFIG_SECTION}_${varname}" "$value" "$LIST_SEP" list_cb "$varname" "$*" } config_rename() { local OLD="$1" local NEW="$2" local oldvar local newvar [ -n "$OLD" -a -n "$NEW" ] || return for oldvar in `set | grep ^CONFIG_${OLD}_ | \ sed -e 's/\(.*\)=.*$/\1/'` ; do newvar="CONFIG_${NEW}_${oldvar##CONFIG_${OLD}_}" eval "export ${NO_EXPORT:+-n} \"$newvar=\${$oldvar}\"" unset "$oldvar" done export ${NO_EXPORT:+-n} CONFIG_SECTIONS="$(echo " $CONFIG_SECTIONS " | sed -e "s, $OLD , $NEW ,")" [ "$CONFIG_SECTION" = "$OLD" ] && export ${NO_EXPORT:+-n} CONFIG_SECTION="$NEW" } config_unset() { config_set "$1" "$2" "" } config_clear() { local SECTION="$1" local oldvar list_remove CONFIG_SECTIONS "$SECTION" export ${NO_EXPORT:+-n} CONFIG_SECTIONS="${SECTION:+$CONFIG_SECTIONS}" for oldvar in `set | grep ^CONFIG_${SECTION:+${SECTION}_} | \ sed -e 's/\(.*\)=.*$/\1/'` ; do unset $oldvar done } # config_get <variable> <section> <option> [<default>] # config_get <section> <option> config_get() { case "$3" in "") eval echo "\${CONFIG_${1}_${2}:-\${4}}";; *) eval export ${NO_EXPORT:+-n} -- "${1}=\${CONFIG_${2}_${3}:-\${4}}";; esac } # config_get_bool <variable> <section> <option> [<default>] config_get_bool() { local _tmp config_get _tmp "$2" "$3" "$4" case "$_tmp" in 1|on|true|enabled) _tmp=1;; 0|off|false|disabled) _tmp=0;; *) _tmp="$4";; esac export ${NO_EXPORT:+-n} "$1=$_tmp" } config_set() { local section="$1" local option="$2" local value="$3" local old_section="$CONFIG_SECTION" CONFIG_SECTION="$section" option "$option" "$value" CONFIG_SECTION="$old_section" } config_foreach() { local function="$1" [ "$#" -ge 1 ] && shift local type="$1" [ "$#" -ge 1 ] && shift local section cfgtype [ -z "$CONFIG_SECTIONS" ] && return 0 for section in ${CONFIG_SECTIONS}; do config_get cfgtype "$section" TYPE [ -n "$type" -a "x$cfgtype" != "x$type" ] && continue eval "$function \"\$section\" \"\$@\"" done } config_list_foreach() { [ "$#" -ge 3 ] || return 0 local section="$1"; shift local option="$1"; shift local function="$1"; shift local val local len local c=1 config_get len "${section}" "${option}_LENGTH" [ -z "$len" ] && return 0 while [ $c -le "$len" ]; do config_get val "${section}" "${option}_ITEM$c" eval "$function \"\$val\" \"$@\"" c="$(($c + 1))" done } load_modules() { [ -d /etc/modules.d ] && { cd /etc/modules.d sed 's/^[^#]/insmod &/' $* | ash 2>&- || : } } include() { local file for file in $(ls $1/*.sh 2>/dev/null); do . $file done } find_mtd_part() { local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')" local PREFIX=/dev/mtdblock PART="${PART##mtd}" [ -d /dev/mtdblock ] && PREFIX=/dev/mtdblock/ echo "${PART:+$PREFIX$PART}" } strtok() { # <string> { <variable> [<separator>] ... } local tmp local val="$1" local count=0 shift while [ $# -gt 1 ]; do tmp="${val%%$2*}" [ "$tmp" = "$val" ] && break val="${val#$tmp$2}" export ${NO_EXPORT:+-n} "$1=$tmp"; count=$((count+1)) shift 2 done if [ $# -gt 0 -a -n "$val" ]; then export ${NO_EXPORT:+-n} "$1=$val"; count=$((count+1)) fi return $count } jffs2_mark_erase() { local part="$(find_mtd_part "$1")" [ -z "$part" ] && { echo Partition not found. return 1 } echo -e "\xde\xad\xc0\xde" | mtd -qq write - "$1" } uci_apply_defaults() { cd /etc/uci-defaults || return 0 files="$(ls)" [ -z "$files" ] && return 0 mkdir -p /tmp/.uci for file in $files; do ( . "./$(basename $file)" ) && rm -f "$file" done uci commit } # # service: simple wrapper around start-stop-daemon # # Usage: service ACTION EXEC ARGS... # # Action: # -C check if EXEC is alive # -S start EXEC, passing it ARGS as its arguments # -K kill EXEC, sending it a TERM signal if not specified otherwise # # Environment variables exposed: # SERVICE_DAEMONIZE run EXEC in background # SERVICE_WRITE_PID create a pid-file and use it for matching # SERVICE_MATCH_EXEC use EXEC command-line for matching (default) # SERVICE_MATCH_NAME use EXEC process name for matching # SERVICE_USE_PID assume EXEC create its own pid-file and use it for matching # SERVICE_NAME process name to use (default to EXEC file part) # SERVICE_PID_FILE pid file to use (default to /var/run/$SERVICE_NAME.pid) # SERVICE_SIG signal to send when using -K # SERVICE_SIG_RELOAD default signal used when reloading # SERVICE_SIG_STOP default signal used when stopping # SERVICE_STOP_TIME time to wait for a process to stop gracefully before killing it # SERVICE_UID user EXEC should be run as # SERVICE_GID group EXEC should be run as # # SERVICE_DEBUG don't do anything, but show what would be done # SERVICE_QUIET don't print anything # SERVICE_QUIET=1 SERVICE_SIG_RELOAD="HUP" SERVICE_SIG_STOP="TERM" SERVICE_STOP_TIME=5 SERVICE_MATCH_EXEC=1 service() { local ssd local exec local name local start ssd="${SERVICE_DEBUG:+echo }start-stop-daemon${SERVICE_QUIET:+ -q}" case "$1" in -C) ssd="$ssd -K -t" ;; -S) ssd="$ssd -S${SERVICE_DAEMONIZE:+ -b}${SERVICE_WRITE_PID:+ -m}" start=1 ;; -K) ssd="$ssd -K${SERVICE_SIG:+ -s $SERVICE_SIG}" ;; *) echo "service: unknown ACTION '$1'" 1>&2 return 1 esac shift exec="$1" [ -n "$exec" ] || { echo "service: missing argument" 1>&2 return 1 } [ -x "$exec" ] || { echo "service: file '$exec' is not executable" 1>&2 return 1 } name="${SERVICE_NAME:-${exec##*/}}" [ -z "$SERVICE_USE_PID$SERVICE_WRITE_PID$SERVICE_PID_FILE" ] \ || ssd="$ssd -p ${SERVICE_PID_FILE:-/var/run/$name.pid}" [ -z "$SERVICE_MATCH_NAME" ] || ssd="$ssd -n $name" ssd="$ssd${SERVICE_UID:+ -c $SERVICE_UID${SERVICE_GID:+:$SERVICE_GID}}" [ -z "$SERVICE_MATCH_EXEC$start" ] || ssd="$ssd -x $exec" shift $ssd${1:+ -- "$@"} } service_check() { service -C "$@" } service_signal() { SERVICE_SIG="${SERVICE_SIG:-USR1}" service -K "$@" } service_start() { service -S "$@" } service_stop() { local try SERVICE_SIG="${SERVICE_SIG:-$SERVICE_SIG_STOP}" service -K "$@" || return 1 while [ $((try++)) -lt $SERVICE_STOP_TIME ]; do service -C "$@" || return 0 sleep 1 done SERVICE_SIG="KILL" service -K "$@" sleep 1 ! service -C "$@" } service_reload() { SERVICE_SIG="${SERVICE_SIG:-$SERVICE_SIG_RELOAD}" service -K "$@" } service_kill() { cat 1>&2 << __END_OF_WARNING__ # # WARNING: the 'service_kill' function is now deprecated and might be # removed soon. Consider using the other new service_* wrappers instead. # __END_OF_WARNING__ local name="${1}" local pid="${2:-$(pidof "$name")}" local grace="${3:-5}" [ -f "$pid" ] && pid="$(head -n1 "$pid" 2>/dev/null)" for pid in $pid; do [ -d "/proc/$pid" ] || continue local try=0 kill -TERM $pid 2>/dev/null && \ while grep -qs "$name" "/proc/$pid/cmdline" && [ $((try++)) -lt $grace ]; do sleep 1; done kill -KILL $pid 2>/dev/null && \ while grep -qs "$name" "/proc/$pid/cmdline"; do sleep 1; done done } group_add() { local name="$1" local gid="$2" local rc [ -f "${IPKG_INSTROOT}/etc/group" ] || return 1 [ -n "$IPKG_INSTROOT" ] || lock /var/lock/group echo "${name}:x:${gid}:" >> ${IPKG_INSTROOT}/etc/group rc=$? [ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/group return $rc } group_exists() { grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/group } user_add() { local name="${1}" local uid="${2}" local gid="${3:-$2}" local desc="${4:-$1}" local home="${5:-/var/run/$1}" local shell="${6:-/bin/false}" local rc [ -f "${IPKG_INSTROOT}/etc/passwd" ] || return 1 [ -n "$IPKG_INSTROOT" ] || lock /var/lock/passwd echo "${name}:x:${uid}:${gid}:${desc}:${home}:${shell}" >> ${IPKG_INSTROOT}/etc/passwd rc=$? [ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/passwd return $rc } user_exists() { grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/passwd } pi_include() { if [ -f "/tmp/overlay/$1" ]; then . "/tmp/overlay/$1" elif [ -f "$1" ]; then . "$1" elif [ -d "/tmp/overlay/$1" ]; then if [ -n "$(ls /tmp/overlay/$1/*.sh 2>/dev/null)" ]; then for src_script in /tmp/overlay/$1/*.sh; do . "$src_script" done fi elif [ -d "$1" ]; then if [ -n "$(ls $1/*.sh 2>/dev/null)" ]; then for src_script in $1/*.sh; do . "$src_script" done fi else echo "WARNING: $1 not found" return 1 fi return 0 } [ -z "$IPKG_INSTROOT" -a -f /lib/config/uci.sh ] && . /lib/config/uci.sh