base-files: add missing $IPKG_INSTROOT to restorecon call
[openwrt/openwrt.git] / package / base-files / files / lib / functions.sh
old mode 100755 (executable)
new mode 100644 (file)
index b3a3885..da2dd5b
@@ -1,14 +1,11 @@
-#!/bin/sh
-# Copyright (C) 2006-2011 OpenWrt.org
+# Copyright (C) 2006-2014 OpenWrt.org
 # Copyright (C) 2006 Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
+# Copyright (C) 2010 Vertical Communications
 
 
 debug () {
        ${DEBUG:-:} "$@"
 }
-mount() {
-       busybox mount "$@"
-}
 
 # newline
 N="
@@ -19,8 +16,20 @@ NO_EXPORT=1
 LOAD_STATE=1
 LIST_SEP=" "
 
-hotplug_dev() {
-       env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug-call net
+# 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() {
@@ -40,21 +49,6 @@ list_contains() {
        [ "${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 "$IPKG_INSTROOT" ] && return 0
        uci_load "$@"
@@ -75,19 +69,19 @@ config () {
        local cfgtype="$1"
        local name="$2"
 
-       export ${NO_EXPORT:+-n} CONFIG_NUM_SECTIONS=$(($CONFIG_NUM_SECTIONS + 1))
+       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=$cfgtype"
+       config_set "$CONFIG_SECTION" "TYPE" "${cfgtype}"
+       [ -n "$NO_CALLBACK" ] || config_cb "$cfgtype" "$name"
 }
 
 option () {
        local varname="$1"; shift
        local value="$*"
 
-       export ${NO_EXPORT:+-n} "CONFIG_${CONFIG_SECTION}_${varname}=$value"
+       config_set "$CONFIG_SECTION" "${varname}" "${value}"
        [ -n "$NO_CALLBACK" ] || option_cb "$varname" "$*"
 }
 
@@ -98,66 +92,47 @@ list() {
 
        config_get len "$CONFIG_SECTION" "${varname}_LENGTH" 0
        [ $len = 0 ] && append CONFIG_LIST_STATE "${CONFIG_SECTION}_${varname}"
-       len=$(($len + 1))
+       len=$((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"
+       [ -n "$NO_CALLBACK" ] || list_cb "$varname" "$*"
 }
 
 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}}";;
+       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" "$4"
-       case "$_tmp" in
-               1|on|true|enabled) _tmp=1;;
-               0|off|false|disabled) _tmp=0;;
-               *) _tmp="$4";;
-       esac
+       _tmp="$(get_bool "$_tmp" "$4")"
        export ${NO_EXPORT:+-n} "$1=$_tmp"
 }
 
@@ -165,11 +140,8 @@ 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"
+       export ${NO_EXPORT:+-n} "CONFIG_${section}_${option}=${value}"
 }
 
 config_foreach() {
@@ -182,7 +154,7 @@ config_foreach() {
        [ -z "$CONFIG_SECTIONS" ] && return 0
        for section in ${CONFIG_SECTIONS}; do
                config_get cfgtype "$section" TYPE
-               [ -n "$___type" -a "x$cfgtype" != "x$___type" ] && continue
+               [ -n "$___type" ] && [ "x$cfgtype" != "x$___type" ] && continue
                eval "$___function \"\$section\" \"\$@\""
        done
 }
@@ -200,79 +172,181 @@ config_list_foreach() {
        [ -z "$len" ] && return 0
        while [ $c -le "$len" ]; do
                config_get val "${section}" "${option}_ITEM$c"
-               eval "$function \"\$val\" \"$@\""
-               c="$(($c + 1))"
+               eval "$function \"\$val\" \"\$@\""
+               c="$((c + 1))"
        done
 }
 
-load_modules() {
-       [ -d /etc/modules.d ] && {
-               cd /etc/modules.d
-               sed 's/^[^#]/insmod &/' $* | ash 2>&- || :
-       }
-}
+default_prerm() {
+       local root="${IPKG_INSTROOT}"
+       local pkgname="$(basename ${1%.*})"
+       local ret=0
 
-include() {
-       local file
+       if [ -f "$root/usr/lib/opkg/info/${pkgname}.prerm-pkg" ]; then
+               ( . "$root/usr/lib/opkg/info/${pkgname}.prerm-pkg" )
+               ret=$?
+       fi
 
-       for file in $(ls $1/*.sh 2>/dev/null); do
-               . $file
+       local shell="$(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
-}
 
-find_mtd_part() {
-       local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
-       local PREFIX=/dev/mtdblock
+       return $ret
+}
 
-       PART="${PART##mtd}"
-       [ -d /dev/mtdblock ] && PREFIX=/dev/mtdblock/
-       echo "${PART:+$PREFIX$PART}"
+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
 }
 
-strtok() { # <string> { <variable> [<separator>] ... }
-       local tmp
-       local val="$1"
-       local count=0
+default_postinst() {
+       local root="${IPKG_INSTROOT}"
+       local pkgname="$(basename ${1%.*})"
+       local filelist="/usr/lib/opkg/info/${pkgname}.list"
+       local ret=0
 
-       shift
+       add_group_and_user "${pkgname}"
 
-       while [ $# -gt 1 ]; do
-               tmp="${val%%$2*}"
+       if [ -f "$root/usr/lib/opkg/info/${pkgname}.postinst-pkg" ]; then
+               ( . "$root/usr/lib/opkg/info/${pkgname}.postinst-pkg" )
+               ret=$?
+       fi
 
-               [ "$tmp" = "$val" ] && break
+       if [ -d "$root/rootfs-overlay" ]; then
+               cp -R $root/rootfs-overlay/. $root/
+               rm -fR $root/rootfs-overlay/
+       fi
 
-               val="${val#$tmp$2}"
+       if [ -z "$root" ]; then
+               if grep -m1 -q -s "^/etc/modules.d/" "$filelist"; then
+                       kmodloader
+               fi
 
-               export ${NO_EXPORT:+-n} "$1=$tmp"; count=$((count+1))
-               shift 2
-       done
+               if grep -m1 -q -s "^/etc/sysctl.d/" "$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
 
-       if [ $# -gt 0 -a -n "$val" ]; then
-               export ${NO_EXPORT:+-n} "$1=$val"; count=$((count+1))
+               rm -f /tmp/luci-indexcache
        fi
 
-       return $count
+       local shell="$(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
 
-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"
+       for file in $(ls $1/*.sh 2>/dev/null); do
+               . $file
+       done
 }
 
-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"
+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
-       uci commit
 }
 
 group_add() {
@@ -282,59 +356,81 @@ group_add() {
        [ -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}:" ${IPKG_INSTROOT}/etc/group | cut -d: -f3)
+       if [ -n "$gid" ]; then
+               echo $gid
+               return
+       fi
+       gids=$(cut -d: -f3 ${IPKG_INSTROOT}/etc/group)
+       gid=65536
+       while echo "$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 [ -x /usr/sbin/selinuxenabled ] && selinuxenabled; then
+               selinuxenabled 2>/dev/null && restorecon ${IPKG_INSTROOT}/etc/group
+       fi
+       [ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/passwd
+}
+
 user_add() {
        local name="${1}"
        local uid="${2}"
-       local gid="${3:-$2}"
+       local gid="${3}"
        local desc="${4:-$1}"
        local home="${5:-/var/run/$1}"
        local shell="${6:-/bin/false}"
        local rc
+       [ -z "$uid" ] && {
+               uids=$(cut -d: -f3 ${IPKG_INSTROOT}/etc/passwd)
+               uid=65536
+               while echo "$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:::" >> ${IPKG_INSTROOT}/etc/shadow
-       rc=$?
        [ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/passwd
-       return $rc
 }
 
 user_exists() {
        grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/passwd
 }
 
+board_name() {
+       [ -e /tmp/sysinfo/board_name ] && cat /tmp/sysinfo/board_name || echo "generic"
+}
 
-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
+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 "$IPKG_INSTROOT" -a -f /lib/config/uci.sh ] && . /lib/config/uci.sh
+[ -z "$IPKG_INSTROOT" ] && [ -f /lib/config/uci.sh ] && . /lib/config/uci.sh