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Diffstat (limited to 'package/base-files/files/lib/functions.sh')
| -rwxr-xr-x | package/base-files/files/lib/functions.sh | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/package/base-files/files/lib/functions.sh b/package/base-files/files/lib/functions.sh new file mode 100755 index 0000000..dde1ac4 --- /dev/null +++ b/package/base-files/files/lib/functions.sh @@ -0,0 +1,325 @@ +#!/bin/sh +# 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=" " + +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" + [ -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_unset() { + config_set "$1" "$2" "" +} + +# 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|yes|enabled) _tmp=1;; + 0|off|false|no|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 +} + +insert_modules() { + for m in $*; do + if [ -f /etc/modules.d/$m ]; then + sed 's/^[^#]/insmod &/' /etc/modules.d/$m | ash 2>&- || : + else + modprobe $m + fi + done +} + +default_prerm() { + local name + name=$(basename ${1%.*}) + [ -f /usr/lib/opkg/info/${name}.prerm-pkg ] && . /usr/lib/opkg/info/${name}.prerm-pkg + for i in `cat /usr/lib/opkg/info/${name}.list | grep "^/etc/init.d/"`; do + $i disable + $i stop + done +} + +default_postinst() { + local root="${IPKG_INSTROOT}" + local pkgname="$(basename ${1%.*})" + local rusers="$(sed -ne 's/^Require-User: *//p' $root/usr/lib/opkg/info/${pkgname}.control 2>/dev/null)" + local ret=0 + + if [ -n "$rusers" ]; then + local tuple oIFS="$IFS" + for tuple in $rusers; do + local uid gid uname gname + + IFS=":" + set -- $tuple; uname="$1"; gname="$2" + 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 + group_add_next "$gname"; gid=$? + fi + + if [ -n "$uname" ]; then + user_exists "$uname" || user_add "$uname" "$uid" "$gid" + fi + + if [ -n "$uname" ] && [ -n "$gname" ]; then + group_add_user "$gname" "$uname" + fi + + unset uid gid uname gname + done + fi + + if [ -f "$root/usr/lib/opkg/info/${pkgname}.postinst-pkg" ]; then + ( . "$root/usr/lib/opkg/info/${pkgname}.postinst-pkg" ) + ret=$? + fi + + [ -n "$root" ] || rm -f /tmp/luci-indexcache 2>/dev/null + + if [ "$PKG_UPGRADE" != "1" ]; then + local shell="$(which 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" enable + else + "$i" enable + "$i" start + fi + done + fi + + 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}" +} + +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}:" ${IPKG_INSTROOT}/etc/group +} + +group_add_next() { + local gid gids + gid=$(grep -s "^${1}:" ${IPKG_INSTROOT}/etc/group | cut -d: -f3) + [ -n "$gid" ] && return $gid + gids=$(cat ${IPKG_INSTROOT}/etc/group | cut -d: -f3) + gid=100 + while [ -n "$(echo $gids | grep $gid)" ] ; do + gid=$((gid + 1)) + done + group_add $1 $gid + return $gid +} + +group_add_user() { + local grp delim="," + grp=$(grep -s "^${1}:" ${IPKG_INSTROOT}/etc/group) + [ -z "$(echo $grp | cut -d: -f4 | grep $2)" ] || return + [ -n "$(echo $grp | grep ":$")" ] && delim="" + [ -n "$IPKG_INSTROOT" ] || lock /var/lock/passwd + sed -i "s/$grp/$grp$delim$2/g" ${IPKG_INSTROOT}/etc/group + [ -n "$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 "$uid" ] && { + uids=$(cat ${IPKG_INSTROOT}/etc/passwd | cut -d: -f3) + uid=100 + while [ -n "$(echo $uids | grep $uid)" ] ; do + uid=$((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:::" >> ${IPKG_INSTROOT}/etc/shadow + rc=$? + [ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/passwd + return $rc +} + +user_exists() { + grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/passwd +} + +[ -z "$IPKG_INSTROOT" -a -f /lib/config/uci.sh ] && . /lib/config/uci.sh |