# Copyright (C) 2006-2014 OpenWrt.org # Copyright (C) 2006 Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de> # Copyright (C) 2010 Vertical Communications debug () { ${DEBUG:-:} "$@" } # newline N=" " _C=0 NO_EXPORT=1 LOAD_STATE=1 LIST_SEP=" " # xor multiple hex values of the same length xor() { local val local ret="0x$1" local retlen=${#1} shift while [ -n "$1" ]; do val="0x$1" ret=$((ret ^ val)) shift done printf "%0${retlen}x" "$ret" } 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" ] } 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" export ${NO_EXPORT:+-n} CONFIG_SECTION="$name" config_set "$CONFIG_SECTION" "TYPE" "${cfgtype}" [ -n "$NO_CALLBACK" ] || config_cb "$cfgtype" "$name" } option () { local varname="$1"; shift local value="$*" config_set "$CONFIG_SECTION" "${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" "$LIST_SEP" [ -n "$NO_CALLBACK" ] || list_cb "$varname" "$*" } config_unset() { config_set "$1" "$2" "" } # config_get <variable> <section> <option> [<default>] # config_get <section> <option> config_get() { case "$2${3:-$1}" in *[!A-Za-z0-9_]*) : ;; *) case "$3" in "") eval echo "\"\${CONFIG_${1}_${2}:-\${4}}\"";; *) eval export ${NO_EXPORT:+-n} -- "${1}=\${CONFIG_${2}_${3}:-\${4}}";; esac ;; esac } # get_bool <value> [<default>] get_bool() { local _tmp="$1" case "$_tmp" in 1|on|true|yes|enabled) _tmp=1;; 0|off|false|no|disabled) _tmp=0;; *) _tmp="$2";; esac echo -n "$_tmp" } # config_get_bool <variable> <section> <option> [<default>] config_get_bool() { local _tmp config_get _tmp "$2" "$3" "$4" _tmp="$(get_bool "$_tmp" "$4")" export ${NO_EXPORT:+-n} "$1=$_tmp" } config_set() { local section="$1" local option="$2" local value="$3" export ${NO_EXPORT:+-n} "CONFIG_${section}_${option}=${value}" } 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 "$___type" ] && [ "x$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="$((c + 1))" done } default_prerm() { local root="${IPKG_INSTROOT}" local pkgname="$(basename ${1%.*})" local ret=0 if [ -f "$root/usr/lib/opkg/info/${pkgname}.prerm-pkg" ]; then ( . "$root/usr/lib/opkg/info/${pkgname}.prerm-pkg" ) ret=$? fi local shell="$(command -v bash)" for i in $(grep -s "^/etc/init.d/" "$root/usr/lib/opkg/info/${pkgname}.list"); do if [ -n "$root" ]; then ${shell:-/bin/sh} "$root/etc/rc.common" "$root$i" disable else if [ "$PKG_UPGRADE" != "1" ]; then "$i" disable fi "$i" stop fi done return $ret } add_group_and_user() { local pkgname="$1" local rusers="$(sed -ne 's/^Require-User: *//p' $root/usr/lib/opkg/info/${pkgname}.control 2>/dev/null)" if [ -n "$rusers" ]; then local tuple oIFS="$IFS" for tuple in $rusers; do local uid gid uname gname addngroups addngroup addngname addngid IFS=":" set -- $tuple; uname="$1"; gname="$2"; addngroups="$3" IFS="=" set -- $uname; uname="$1"; uid="$2" set -- $gname; gname="$1"; gid="$2" IFS="$oIFS" if [ -n "$gname" ] && [ -n "$gid" ]; then group_exists "$gname" || group_add "$gname" "$gid" elif [ -n "$gname" ]; then gid="$(group_add_next "$gname")" fi if [ -n "$uname" ]; then user_exists "$uname" || user_add "$uname" "$uid" "$gid" fi if [ -n "$uname" ] && [ -n "$gname" ]; then group_add_user "$gname" "$uname" fi if [ -n "$uname" ] && [ -n "$addngroups" ]; then oIFS="$IFS" IFS="," for addngroup in $addngroups ; do IFS="=" set -- $addngroup; addngname="$1"; addngid="$2" if [ -n "$addngid" ]; then group_exists "$addngname" || group_add "$addngname" "$addngid" else group_add_next "$addngname" fi group_add_user "$addngname" "$uname" done IFS="$oIFS" fi unset uid gid uname gname addngroups addngroup addngname addngid done fi } default_postinst() { local root="${IPKG_INSTROOT}" local pkgname="$(basename ${1%.*})" local filelist="/usr/lib/opkg/info/${pkgname}.list" local ret=0 add_group_and_user "${pkgname}" if [ -d "$root/rootfs-overlay" ]; then cp -R $root/rootfs-overlay/. $root/ rm -fR $root/rootfs-overlay/ fi if [ -z "$root" ]; then if grep -m1 -q -s "^/etc/modules.d/" "$filelist"; then kmodloader fi if grep -m1 -q -s "^/etc/sysctl.d/" "$filelist"; then /etc/init.d/sysctl restart fi if grep -m1 -q -s "^/etc/uci-defaults/" "$filelist"; then [ -d /tmp/.uci ] || mkdir -p /tmp/.uci for i in $(grep -s "^/etc/uci-defaults/" "$filelist"); do ( [ -f "$i" ] && cd "$(dirname $i)" && . "$i" ) && rm -f "$i" done uci commit fi rm -f /tmp/luci-indexcache fi if [ -f "$root/usr/lib/opkg/info/${pkgname}.postinst-pkg" ]; then ( . "$root/usr/lib/opkg/info/${pkgname}.postinst-pkg" ) ret=$? fi local shell="$(command -v bash)" for i in $(grep -s "^/etc/init.d/" "$root$filelist"); do if [ -n "$root" ]; then ${shell:-/bin/sh} "$root/etc/rc.common" "$root$i" enable else if [ "$PKG_UPGRADE" != "1" ]; then "$i" enable fi "$i" start fi done return $ret } include() { local file for file in $(ls $1/*.sh 2>/dev/null); do . $file done } find_mtd_index() { local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')" local INDEX="${PART##mtd}" echo ${INDEX} } find_mtd_part() { local INDEX=$(find_mtd_index "$1") local PREFIX=/dev/mtdblock [ -d /dev/mtdblock ] && PREFIX=/dev/mtdblock/ echo "${INDEX:+$PREFIX$INDEX}" } find_mmc_part() { local DEVNAME PARTNAME ROOTDEV if grep -q "$1" /proc/mtd; then echo "" && return 0 fi if [ -n "$2" ]; then ROOTDEV="$2" else ROOTDEV="mmcblk*" fi for DEVNAME in /sys/block/$ROOTDEV/mmcblk*p*; do PARTNAME="$(grep PARTNAME ${DEVNAME}/uevent | cut -f2 -d'=')" [ "$PARTNAME" = "$1" ] && echo "/dev/$(basename $DEVNAME)" && return 0 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}:" >> ${IPKG_INSTROOT}/etc/group [ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/group } group_exists() { grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/group } group_add_next() { local gid gids gid=$(grep -s "^${1}:" ${IPKG_INSTROOT}/etc/group | cut -d: -f3) if [ -n "$gid" ]; then echo $gid return fi gids=$(cut -d: -f3 ${IPKG_INSTROOT}/etc/group) gid=32768 while echo "$gids" | grep -q "^$gid$"; do gid=$((gid + 1)) done group_add $1 $gid echo $gid } group_add_user() { local grp delim="," grp=$(grep -s "^${1}:" ${IPKG_INSTROOT}/etc/group) echo "$grp" | cut -d: -f4 | grep -q $2 && return echo "$grp" | grep -q ":$" && delim="" [ -n "$IPKG_INSTROOT" ] || lock /var/lock/passwd sed -i "s/$grp/$grp$delim$2/g" ${IPKG_INSTROOT}/etc/group if [ -z "$IPKG_INSTROOT" ] && [ -x /usr/sbin/selinuxenabled ] && selinuxenabled; then restorecon /etc/group fi [ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/passwd } user_add() { local name="${1}" local uid="${2}" local gid="${3}" local desc="${4:-$1}" local home="${5:-/var/run/$1}" local shell="${6:-/bin/false}" local rc [ -z "$uid" ] && { uids=$(cut -d: -f3 ${IPKG_INSTROOT}/etc/passwd) uid=32768 while echo "$uids" | grep -q "^$uid$"; do uid=$((uid + 1)) done } [ -z "$gid" ] && gid=$uid [ -f "${IPKG_INSTROOT}/etc/passwd" ] || return 1 [ -n "$IPKG_INSTROOT" ] || lock /var/lock/passwd echo "${name}:x:${uid}:${gid}:${desc}:${home}:${shell}" >> ${IPKG_INSTROOT}/etc/passwd echo "${name}:x:0:0:99999:7:::" >> ${IPKG_INSTROOT}/etc/shadow [ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/passwd } user_exists() { grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/passwd } board_name() { [ -e /tmp/sysinfo/board_name ] && cat /tmp/sysinfo/board_name || echo "generic" } cmdline_get_var() { local var=$1 local cmdlinevar tmp for cmdlinevar in $(cat /proc/cmdline); do tmp=${cmdlinevar##${var}} [ "=" = "${tmp:0:1}" ] && echo ${tmp:1} done } [ -z "$IPKG_INSTROOT" ] && [ -f /lib/config/uci.sh ] && . /lib/config/uci.sh