mirror of https://github.com/hak5/openwrt-owl.git
468 lines
10 KiB
Bash
Executable File
468 lines
10 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (C) 2006-2011 OpenWrt.org
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# Copyright (C) 2006 Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
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debug () {
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${DEBUG:-:} "$@"
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}
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mount() {
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busybox mount "$@"
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}
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# newline
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N="
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"
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_C=0
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NO_EXPORT=1
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LOAD_STATE=1
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LIST_SEP=" "
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hotplug_dev() {
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env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug-call net
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}
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append() {
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local var="$1"
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local value="$2"
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local sep="${3:- }"
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eval "export ${NO_EXPORT:+-n} -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
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}
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list_contains() {
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local var="$1"
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local str="$2"
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local val
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eval "val=\" \${$var} \""
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[ "${val%% $str *}" != "$val" ]
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}
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list_remove() {
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local var="$1"
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local remove="$2"
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local val
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eval "val=\" \${$var} \""
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val1="${val%% $remove *}"
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[ "$val1" = "$val" ] && return
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val2="${val##* $remove }"
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[ "$val2" = "$val" ] && return
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val="${val1## } ${val2%% }"
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val="${val%% }"
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eval "export ${NO_EXPORT:+-n} -- \"$var=\$val\""
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}
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config_load() {
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[ -n "$IPKG_INSTROOT" ] && return 0
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uci_load "$@"
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}
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reset_cb() {
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config_cb() { return 0; }
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option_cb() { return 0; }
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list_cb() { return 0; }
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}
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reset_cb
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package() {
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return 0
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}
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config () {
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local cfgtype="$1"
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local name="$2"
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export ${NO_EXPORT:+-n} CONFIG_NUM_SECTIONS=$(($CONFIG_NUM_SECTIONS + 1))
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name="${name:-cfg$CONFIG_NUM_SECTIONS}"
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append CONFIG_SECTIONS "$name"
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[ -n "$NO_CALLBACK" ] || config_cb "$cfgtype" "$name"
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export ${NO_EXPORT:+-n} CONFIG_SECTION="$name"
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export ${NO_EXPORT:+-n} "CONFIG_${CONFIG_SECTION}_TYPE=$cfgtype"
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}
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option () {
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local varname="$1"; shift
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local value="$*"
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export ${NO_EXPORT:+-n} "CONFIG_${CONFIG_SECTION}_${varname}=$value"
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[ -n "$NO_CALLBACK" ] || option_cb "$varname" "$*"
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}
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list() {
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local varname="$1"; shift
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local value="$*"
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local len
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config_get len "$CONFIG_SECTION" "${varname}_LENGTH" 0
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[ $len = 0 ] && append CONFIG_LIST_STATE "${CONFIG_SECTION}_${varname}"
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len=$(($len + 1))
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config_set "$CONFIG_SECTION" "${varname}_ITEM$len" "$value"
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config_set "$CONFIG_SECTION" "${varname}_LENGTH" "$len"
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append "CONFIG_${CONFIG_SECTION}_${varname}" "$value" "$LIST_SEP"
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list_cb "$varname" "$*"
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}
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config_rename() {
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local OLD="$1"
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local NEW="$2"
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local oldvar
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local newvar
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[ -n "$OLD" -a -n "$NEW" ] || return
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for oldvar in `set | grep ^CONFIG_${OLD}_ | \
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sed -e 's/\(.*\)=.*$/\1/'` ; do
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newvar="CONFIG_${NEW}_${oldvar##CONFIG_${OLD}_}"
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eval "export ${NO_EXPORT:+-n} \"$newvar=\${$oldvar}\""
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unset "$oldvar"
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done
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export ${NO_EXPORT:+-n} CONFIG_SECTIONS="$(echo " $CONFIG_SECTIONS " | sed -e "s, $OLD , $NEW ,")"
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[ "$CONFIG_SECTION" = "$OLD" ] && export ${NO_EXPORT:+-n} CONFIG_SECTION="$NEW"
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}
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config_unset() {
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config_set "$1" "$2" ""
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}
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config_clear() {
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local SECTION="$1"
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local oldvar
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list_remove CONFIG_SECTIONS "$SECTION"
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export ${NO_EXPORT:+-n} CONFIG_SECTIONS="${SECTION:+$CONFIG_SECTIONS}"
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for oldvar in `set | grep ^CONFIG_${SECTION:+${SECTION}_} | \
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sed -e 's/\(.*\)=.*$/\1/'` ; do
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unset $oldvar
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done
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}
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# config_get <variable> <section> <option> [<default>]
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# config_get <section> <option>
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config_get() {
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case "$3" in
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"") eval echo "\${CONFIG_${1}_${2}:-\${4}}";;
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*) eval export ${NO_EXPORT:+-n} -- "${1}=\${CONFIG_${2}_${3}:-\${4}}";;
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esac
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}
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# config_get_bool <variable> <section> <option> [<default>]
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config_get_bool() {
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local _tmp
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config_get _tmp "$2" "$3" "$4"
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case "$_tmp" in
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1|on|true|enabled) _tmp=1;;
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0|off|false|disabled) _tmp=0;;
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*) _tmp="$4";;
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esac
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export ${NO_EXPORT:+-n} "$1=$_tmp"
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}
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config_set() {
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local section="$1"
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local option="$2"
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local value="$3"
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local old_section="$CONFIG_SECTION"
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CONFIG_SECTION="$section"
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option "$option" "$value"
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CONFIG_SECTION="$old_section"
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}
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config_foreach() {
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local function="$1"
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[ "$#" -ge 1 ] && shift
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local type="$1"
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[ "$#" -ge 1 ] && shift
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local section cfgtype
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[ -z "$CONFIG_SECTIONS" ] && return 0
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for section in ${CONFIG_SECTIONS}; do
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config_get cfgtype "$section" TYPE
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[ -n "$type" -a "x$cfgtype" != "x$type" ] && continue
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eval "$function \"\$section\" \"\$@\""
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done
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}
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config_list_foreach() {
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[ "$#" -ge 3 ] || return 0
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local section="$1"; shift
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local option="$1"; shift
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local function="$1"; shift
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local val
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local len
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local c=1
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config_get len "${section}" "${option}_LENGTH"
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[ -z "$len" ] && return 0
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while [ $c -le "$len" ]; do
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config_get val "${section}" "${option}_ITEM$c"
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eval "$function \"\$val\" \"$@\""
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c="$(($c + 1))"
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done
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}
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load_modules() {
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[ -d /etc/modules.d ] && {
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cd /etc/modules.d
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sed 's/^[^#]/insmod &/' $* | ash 2>&- || :
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}
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}
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include() {
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local file
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for file in $(ls $1/*.sh 2>/dev/null); do
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. $file
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done
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}
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find_mtd_part() {
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local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
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local PREFIX=/dev/mtdblock
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PART="${PART##mtd}"
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[ -d /dev/mtdblock ] && PREFIX=/dev/mtdblock/
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echo "${PART:+$PREFIX$PART}"
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}
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strtok() { # <string> { <variable> [<separator>] ... }
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local tmp
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local val="$1"
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local count=0
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shift
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while [ $# -gt 1 ]; do
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tmp="${val%%$2*}"
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[ "$tmp" = "$val" ] && break
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val="${val#$tmp$2}"
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export ${NO_EXPORT:+-n} "$1=$tmp"; count=$((count+1))
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shift 2
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done
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if [ $# -gt 0 -a -n "$val" ]; then
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export ${NO_EXPORT:+-n} "$1=$val"; count=$((count+1))
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fi
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return $count
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}
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jffs2_mark_erase() {
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local part="$(find_mtd_part "$1")"
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[ -z "$part" ] && {
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echo Partition not found.
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return 1
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}
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echo -e "\xde\xad\xc0\xde" | mtd -qq write - "$1"
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}
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uci_apply_defaults() {
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cd /etc/uci-defaults || return 0
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files="$(ls)"
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[ -z "$files" ] && return 0
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mkdir -p /tmp/.uci
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for file in $files; do
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( . "./$(basename $file)" ) && rm -f "$file"
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done
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uci commit
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}
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#
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# service: simple wrapper around start-stop-daemon
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#
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# Usage: service ACTION EXEC ARGS...
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#
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# Action:
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# -C check if EXEC is alive
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# -S start EXEC, passing it ARGS as its arguments
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# -K kill EXEC, sending it a TERM signal if not specified otherwise
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#
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# Environment variables exposed:
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# SERVICE_DAEMONIZE run EXEC in background
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# SERVICE_WRITE_PID create a pid-file and use it for matching
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# SERVICE_MATCH_EXEC use EXEC command-line for matching (default)
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# SERVICE_MATCH_NAME use EXEC process name for matching
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# SERVICE_USE_PID assume EXEC create its own pid-file and use it for matching
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# SERVICE_NAME process name to use (default to EXEC file part)
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# SERVICE_PID_FILE pid file to use (default to /var/run/$SERVICE_NAME.pid)
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# SERVICE_SIG signal to send when using -K
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# SERVICE_SIG_RELOAD default signal used when reloading
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# SERVICE_SIG_STOP default signal used when stopping
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# SERVICE_STOP_TIME time to wait for a process to stop gracefully before killing it
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# SERVICE_UID user EXEC should be run as
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# SERVICE_GID group EXEC should be run as
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#
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# SERVICE_DEBUG don't do anything, but show what would be done
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# SERVICE_QUIET don't print anything
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#
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SERVICE_QUIET=1
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SERVICE_SIG_RELOAD="HUP"
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SERVICE_SIG_STOP="TERM"
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SERVICE_STOP_TIME=5
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SERVICE_MATCH_EXEC=1
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service() {
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local ssd
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local exec
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local name
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local start
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ssd="${SERVICE_DEBUG:+echo }start-stop-daemon${SERVICE_QUIET:+ -q}"
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case "$1" in
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-C)
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ssd="$ssd -K -t"
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;;
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-S)
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ssd="$ssd -S${SERVICE_DAEMONIZE:+ -b}${SERVICE_WRITE_PID:+ -m}"
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start=1
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;;
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-K)
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ssd="$ssd -K${SERVICE_SIG:+ -s $SERVICE_SIG}"
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;;
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*)
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echo "service: unknown ACTION '$1'" 1>&2
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return 1
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esac
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shift
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exec="$1"
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[ -n "$exec" ] || {
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echo "service: missing argument" 1>&2
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return 1
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}
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[ -x "$exec" ] || {
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echo "service: file '$exec' is not executable" 1>&2
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return 1
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}
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name="${SERVICE_NAME:-${exec##*/}}"
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[ -z "$SERVICE_USE_PID$SERVICE_WRITE_PID$SERVICE_PID_FILE" ] \
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|| ssd="$ssd -p ${SERVICE_PID_FILE:-/var/run/$name.pid}"
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[ -z "$SERVICE_MATCH_NAME" ] || ssd="$ssd -n $name"
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ssd="$ssd${SERVICE_UID:+ -c $SERVICE_UID${SERVICE_GID:+:$SERVICE_GID}}"
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[ -z "$SERVICE_MATCH_EXEC$start" ] || ssd="$ssd -x $exec"
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shift
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$ssd${1:+ -- "$@"}
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}
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service_check() {
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service -C "$@"
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}
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service_signal() {
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SERVICE_SIG="${SERVICE_SIG:-USR1}" service -K "$@"
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}
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service_start() {
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service -S "$@"
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}
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service_stop() {
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local try
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SERVICE_SIG="${SERVICE_SIG:-$SERVICE_SIG_STOP}" service -K "$@" || return 1
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while [ $((try++)) -lt $SERVICE_STOP_TIME ]; do
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service -C "$@" || return 0
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sleep 1
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done
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SERVICE_SIG="KILL" service -K "$@"
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sleep 1
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! service -C "$@"
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}
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service_reload() {
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SERVICE_SIG="${SERVICE_SIG:-$SERVICE_SIG_RELOAD}" service -K "$@"
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}
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service_kill() {
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cat 1>&2 << __END_OF_WARNING__
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#
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# WARNING: the 'service_kill' function is now deprecated and might be
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# removed soon. Consider using the other new service_* wrappers instead.
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#
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__END_OF_WARNING__
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local name="${1}"
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local pid="${2:-$(pidof "$name")}"
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local grace="${3:-5}"
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[ -f "$pid" ] && pid="$(head -n1 "$pid" 2>/dev/null)"
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for pid in $pid; do
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[ -d "/proc/$pid" ] || continue
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local try=0
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kill -TERM $pid 2>/dev/null && \
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while grep -qs "$name" "/proc/$pid/cmdline" && [ $((try++)) -lt $grace ]; do sleep 1; done
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kill -KILL $pid 2>/dev/null && \
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while grep -qs "$name" "/proc/$pid/cmdline"; do sleep 1; done
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done
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}
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group_add() {
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local name="$1"
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local gid="$2"
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local rc
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[ -f "${IPKG_INSTROOT}/etc/group" ] || return 1
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[ -n "$IPKG_INSTROOT" ] || lock /var/lock/group
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echo "${name}:x:${gid}:" >> ${IPKG_INSTROOT}/etc/group
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rc=$?
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[ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/group
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return $rc
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}
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group_exists() {
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grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/group
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}
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user_add() {
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local name="${1}"
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local uid="${2}"
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local gid="${3:-$2}"
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local desc="${4:-$1}"
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local home="${5:-/var/run/$1}"
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local shell="${6:-/bin/false}"
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local rc
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[ -f "${IPKG_INSTROOT}/etc/passwd" ] || return 1
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[ -n "$IPKG_INSTROOT" ] || lock /var/lock/passwd
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echo "${name}:x:${uid}:${gid}:${desc}:${home}:${shell}" >> ${IPKG_INSTROOT}/etc/passwd
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rc=$?
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[ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/passwd
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return $rc
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}
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user_exists() {
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grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/passwd
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}
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pi_include() {
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if [ -f "/tmp/overlay/$1" ]; then
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. "/tmp/overlay/$1"
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elif [ -f "$1" ]; then
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. "$1"
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elif [ -d "/tmp/overlay/$1" ]; then
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if [ -n "$(ls /tmp/overlay/$1/*.sh 2>/dev/null)" ]; then
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for src_script in /tmp/overlay/$1/*.sh; do
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. "$src_script"
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done
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fi
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elif [ -d "$1" ]; then
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if [ -n "$(ls $1/*.sh 2>/dev/null)" ]; then
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for src_script in $1/*.sh; do
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. "$src_script"
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done
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fi
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else
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echo "WARNING: $1 not found"
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return 1
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fi
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return 0
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}
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[ -z "$IPKG_INSTROOT" -a -f /lib/config/uci.sh ] && . /lib/config/uci.sh
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