base-files: evaluate uci-defaults on run-time installations
[openwrt/openwrt.git] / package / base-files / files / lib / functions.sh
index b924fce2858ccdb976c371995898610df404f09b..7bce122ae799bb6dc7040f55d9d0b21dcae69e81 100755 (executable)
@@ -1,14 +1,12 @@
 #!/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="
@@ -19,10 +17,6 @@ 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="$2"
@@ -40,21 +34,6 @@ list_contains() {
        [ "${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 "$IPKG_INSTROOT" ] && return 0
        uci_load "$@"
@@ -105,41 +84,10 @@ list() {
        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() {
@@ -154,8 +102,8 @@ 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;;
+               1|on|true|yes|enabled) _tmp=1;;
+               0|off|false|no|disabled) _tmp=0;;
                *) _tmp="$4";;
        esac
        export ${NO_EXPORT:+-n} "$1=$_tmp"
@@ -200,93 +148,127 @@ config_list_foreach() {
        [ -z "$len" ] && return 0
        while [ $c -le "$len" ]; do
                config_get val "${section}" "${option}_ITEM$c"
-               eval "$function \"\$val\" \"$@\""
+               eval "$function \"\$val\" \"\$@\""
                c="$(($c + 1))"
        done
 }
 
-load_modules() {
-       [ -d /etc/modules.d ] && {
-               cd /etc/modules.d
-               sed 's/^[^#]/insmod &/' $* | ash 2>&- || :
-       }
+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
 }
 
-include() {
-       local file
-
-       for file in $(ls $1/*.sh 2>/dev/null); do
-               . $file
+default_prerm() {
+       local name
+       name=$(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
 }
 
-find_mtd_index() {
-       local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
-       local INDEX="${PART##mtd}"
+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)"
 
-       echo ${INDEX}
-}
+       if [ -n "$rusers" ]; then
+               local tuple oIFS="$IFS"
+               for tuple in $rusers; do
+                       local uid gid uname gname
 
-find_mtd_part() {
-       local INDEX=$(find_mtd_index "$1")
-       local PREFIX=/dev/mtdblock
+                       IFS=":"
+                       set -- $tuple; uname="$1"; gname="$2"
+                       IFS="="
+                       set -- $uname; uname="$1"; uid="$2"
+                       set -- $gname; gname="$1"; gid="$2"
+                       IFS="$oIFS"
 
-       [ -d /dev/mtdblock ] && PREFIX=/dev/mtdblock/
-       echo "${INDEX:+$PREFIX$INDEX}"
-}
+                       if [ -n "$gname" ] && [ -n "$gid" ]; then
+                               group_exists "$gname" || group_add "$gname" "$gid"
+                       elif [ -n "$gname" ]; then
+                               group_add_next "$gname"; gid=$?
+                       fi
 
-find_mtd_chardev() {
-       local INDEX=$(find_mtd_index "$1")
-       local PREFIX=/dev/mtd
+                       if [ -n "$uname" ]; then
+                               user_exists "$uname" || user_add "$uname" "$uid" "$gid"
+                       fi
 
-       [ -d /dev/mtd ] && PREFIX=/dev/mtd/
-       echo "${INDEX:+$PREFIX$INDEX}"
+                       if [ -n "$uname" ] && [ -n "$gname" ]; then
+                               group_add_user "$gname" "$uname"
+                       fi
+
+                       unset uid gid uname gname
+               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 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 [ -z "$root" ] && grep -q -s "^/etc/uci-defaults/" "/usr/lib/opkg/info/${pkgname}.list"; then
+               . /lib/functions/system.sh
+               [ -d /tmp/.uci ] || mkdir -p /tmp/.uci
+               cd /etc/uci-defaults
+               for i in $(grep -s "^/etc/uci-defaults/" "/usr/lib/opkg/info/${pkgname}.list"); do
+                       ( . "./$(basename $i)" ) && rm -f "$i"
+               done
+               uci commit
+               cd $OLDPWD
+       fi
 
-               val="${val#$tmp$2}"
+       [ -n "$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
 
-               export ${NO_EXPORT:+-n} "$1=$tmp"; count=$((count+1))
-               shift 2
-       done
+       return $ret
+}
 
-       if [ $# -gt 0 -a -n "$val" ]; then
-               export ${NO_EXPORT:+-n} "$1=$val"; count=$((count+1))
-       fi
+include() {
+       local file
 
-       return $count
+       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}"
 
-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"
+       echo ${INDEX}
 }
 
-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
+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() {
@@ -305,14 +287,45 @@ 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:-$2}"
+       local gid="${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}" >> ${IPKG_INSTROOT}/etc/passwd
@@ -326,29 +339,4 @@ user_exists() {
        grep -qs "^${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