base-files: make postinst script run inside a subshell
[openwrt/staging/chunkeey.git] / package / base-files / files / lib / functions.sh
index db59706bc5aeb2db958395edfad7bbc989fa93ae..7f148223f525bbfb0859f604a2abd1ed9dead936 100755 (executable)
@@ -1,6 +1,7 @@
 #!/bin/sh
-# Copyright (C) 2006-2011 OpenWrt.org
+# Copyright (C) 2006-2013 OpenWrt.org
 # Copyright (C) 2006 Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
+# Copyright (C) 2010 Vertical Communications
 
 
 debug () {
@@ -16,10 +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="$2"
@@ -37,21 +34,6 @@ list_contains() {
        [ "${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 "$IPKG_INSTROOT" ] && return 0
        uci_load "$@"
@@ -102,41 +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() {
@@ -151,8 +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"
@@ -197,18 +148,65 @@ 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() {
+insert_modules() {
        [ -d /etc/modules.d ] && {
                cd /etc/modules.d
                sed 's/^[^#]/insmod &/' $* | ash 2>&- || :
        }
 }
 
+default_prerm() {
+       local name
+       name=$(echo $(basename $1) | cut -d. -f1)
+       [ -f /usr/lib/opkg/info/${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
+               $i stop
+       done
+}
+
+default_postinst() {
+       local name rusers
+       name=$(echo $(basename $1) | cut -d. -f1)
+       [ -f ${IPKG_INSTROOT}/usr/lib/opkg/info/${name}.postinst-pkg ] && ( . ${IPKG_INSTROOT}/usr/lib/opkg/info/${name}.postinst-pkg )
+       rusers=$(grep "Require-User:" ${IPKG_INSTROOT}/usr/lib/opkg/info/${name}.control)
+       [ -n "$rusers" ] && {
+               local user group
+               for a in $(echo $rusers | sed "s/Require-User://g"); do
+                       user=""
+                       group=""
+                       for b in $(echo $a | sed "s/:/ /g"); do
+                               [ -z "$user" ] && {
+                                       user=$b
+                                       continue
+                               }
+                               [ -z "$group" ] && {
+                                       group=$b
+                                       group_add_next $b
+                                       gid=$?
+                                       user_exists $user || user_add $user "" $gid
+                                       continue
+                               }
+                               group_add_next $b
+                               group_add_user $b $user
+                       done
+               done
+       }
+       [ "$PKG_UPGRADE" = "1" ] || for i in `cat ${IPKG_INSTROOT}/usr/lib/opkg/info/${name}.list | grep "^/etc/init.d/"`; do
+               [ -n "${IPKG_INSTROOT}" ] && $(which bash) ${IPKG_INSTROOT}/etc/rc.common ${IPKG_INSTROOT}$i enable; \
+               [ -n "${IPKG_INSTROOT}" ] || {
+                       $i enable
+                       $i start
+               }
+       done
+       return 0
+}
+
 include() {
        local file
 
@@ -232,60 +230,6 @@ find_mtd_part() {
        echo "${INDEX:+$PREFIX$INDEX}"
 }
 
-find_mtd_chardev() {
-       local INDEX=$(find_mtd_index "$1")
-       local PREFIX=/dev/mtd
-
-       [ -d /dev/mtd ] && PREFIX=/dev/mtd/
-       echo "${INDEX:+$PREFIX$INDEX}"
-}
-
-strtok() { # <string> { <variable> [<separator>] ... }
-       local tmp
-       local val="$1"
-       local count=0
-
-       shift
-
-       while [ $# -gt 1 ]; do
-               tmp="${val%%$2*}"
-
-               [ "$tmp" = "$val" ] && break
-
-               val="${val#$tmp$2}"
-
-               export ${NO_EXPORT:+-n} "$1=$tmp"; count=$((count+1))
-               shift 2
-       done
-
-       if [ $# -gt 0 -a -n "$val" ]; then
-               export ${NO_EXPORT:+-n} "$1=$val"; count=$((count+1))
-       fi
-
-       return $count
-}
-
-
-jffs2_mark_erase() {
-       local part="$(find_mtd_part "$1")"
-       [ -z "$part" ] && {
-               echo Partition not found.
-               return 1
-       }
-       echo -e "\xde\xad\xc0\xde" | mtd -qq write - "$1"
-}
-
-uci_apply_defaults() {
-       cd /etc/uci-defaults || return 0
-       files="$(ls)"
-       [ -z "$files" ] && return 0
-       mkdir -p /tmp/.uci
-       for file in $files; do
-               ( . "./$(basename $file)" ) && rm -f "$file"
-       done
-       uci commit
-}
-
 group_add() {
        local name="$1"
        local gid="$2"
@@ -302,14 +246,45 @@ group_exists() {
        grep -qs "^${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}" >> ${IPKG_INSTROOT}/etc/passwd
@@ -323,29 +298,4 @@ user_exists() {
        grep -qs "^${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