diff options
Diffstat (limited to 'package/base-files/files/lib/functions.sh')
| -rwxr-xr-x | package/base-files/files/lib/functions.sh | 219 |
1 files changed, 211 insertions, 8 deletions
diff --git a/package/base-files/files/lib/functions.sh b/package/base-files/files/lib/functions.sh index b3a3885f2..f51bfea45 100755 --- a/package/base-files/files/lib/functions.sh +++ b/package/base-files/files/lib/functions.sh @@ -1,14 +1,12 @@ #!/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 () { ${DEBUG:-:} "$@" } -mount() { - busybox mount "$@" -} # newline N=" @@ -200,7 +198,7 @@ config_list_foreach() { [ -z "$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 } @@ -220,13 +218,85 @@ include() { done } -find_mtd_part() { +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 "$1") local PREFIX=/dev/mtdblock - PART="${PART##mtd}" [ -d /dev/mtdblock ] && PREFIX=/dev/mtdblock/ - echo "${PART:+$PREFIX$PART}" + echo "${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}" +} + +mtd_get_mac_ascii() +{ + local mtdname="$1" + local key="$2" + local part + local mac_dirty + + . /lib/functions.sh + + part=$(find_mtd_part "$mtdname") + if [ -z "$part" ]; then + echo "mtd_get_mac_ascii: partition $mtdname not found!" >&2 + return + fi + + mac_dirty=$(strings "$part" | sed -n 's/'"$key"'=//p') + # "canonicalize" mac + printf "%02x:%02x:%02x:%02x:%02x:%02x" 0x${mac_dirty//:/ 0x} +} + +mtd_get_mac_binary() { + local mtdname="$1" + local offset="$2" + local part + + part=$(find_mtd_part "$mtdname") + if [ -z "$part" ]; then + echo "mtd_get_mac_binary: partition $mtdname not found!" >&2 + return + fi + + dd bs=1 skip=$offset count=6 if=$part 2>/dev/null | hexdump -v -n 6 -e '5/1 "%02x:" 1/1 "%02x"' +} + +macaddr_add() { + local mac=$1 + local val=$2 + local oui=${mac%:*:*:*} + local nic=${mac#*:*:*:} + + nic=$(printf "%06x" $((0x${nic//:/} + $val & 0xffffff)) | sed 's/^\(.\{2\}\)\(.\{2\}\)\(.\{2\}\)/\1:\2:\3/') + echo $oui:$nic +} + +macaddr_setbit_la() +{ + local mac=$1 + + printf "%02x:%s" $((0x${mac%%:*} | 0x02)) ${mac#*:} +} + +macaddr_2bin() +{ + local mac=$1 + + echo -ne \\x${mac//:/\\x} } strtok() { # <string> { <variable> [<separator>] ... } @@ -337,4 +407,137 @@ pi_include() { return 0 } +boot_hook_splice_start() { + export -n PI_HOOK_SPLICE=1 +} + +boot_hook_splice_finish() { + local hook + for hook in $PI_STACK_LIST; do + local v; eval "v=\${${hook}_splice:+\$${hook}_splice }$hook" + export -n "${hook}=${v% }" + export -n "${hook}_splice=" + done + export -n PI_HOOK_SPLICE= +} + +boot_hook_init() { + local hook="${1}_hook" + export -n "PI_STACK_LIST=${PI_STACK_LIST:+$PI_STACK_LIST }$hook" + export -n "$hook=" +} + +boot_hook_add() { + local hook="${1}_hook${PI_HOOK_SPLICE:+_splice}" + local func="${2}" + + [ -n "$func" ] && { + local v; eval "v=\$$hook" + export -n "$hook=${v:+$v }$func" + } +} + +boot_hook_shift() { + local hook="${1}_hook" + local rvar="${2}" + + local v; eval "v=\$$hook" + [ -n "$v" ] && { + local first="${v%% *}" + + [ "$v" != "${v#* }" ] && \ + export -n "$hook=${v#* }" || \ + export -n "$hook=" + + export -n "$rvar=$first" + return 0 + } + + return 1 +} + +boot_run_hook() { + local hook="$1" + local func + + while boot_hook_shift "$hook" func; do + local ran; eval "ran=\$PI_RAN_$func" + [ -n "$ran" ] || { + export -n "PI_RAN_$func=1" + $func "$1" "$2" + } + done +} + +jffs2_ready() { + mtdpart="$(find_mtd_part rootfs_data)" + [ -z "$mtdpart" ] && return 1 + magic=$(hexdump $mtdpart -n 4 -e '4/1 "%02x"') + [ "$magic" != "deadc0de" ] +} + +dupe() { # <new_root> <old_root> + cd $1 + echo -n "creating directories... " + { + cd $2 + find . -xdev -type d + echo "./dev ./overlay ./mnt ./proc ./tmp" + # xdev skips mounted directories + cd $1 + } | xargs mkdir -p + echo "done" + + echo -n "setting up symlinks... " + for file in $(cd $2; find . -xdev -type f;); do + case "$file" in + ./rom/note) ;; #nothing + ./etc/config*|\ + ./usr/lib/opkg/info/*) cp -af $2/$file $file;; + *) ln -sf /rom/${file#./*} $file;; + esac + done + for file in $(cd $2; find . -xdev -type l;); do + cp -af $2/${file#./*} $file + done + echo "done" +} + +pivot() { # <new_root> <old_root> + mount -o noatime,move /proc $1/proc && \ + pivot_root $1 $1$2 && { + mount -o noatime,move $2/dev /dev + mount -o noatime,move $2/tmp /tmp + mount -o noatime,move $2/sys /sys 2>&- + mount -o noatime,move $2/overlay /overlay 2>&- + return 0 + } +} + +fopivot() { # <rw_root> <ro_root> <dupe?> + root=$1 + { + if grep -q overlay /proc/filesystems; then + mount -o noatime,lowerdir=/,upperdir=$1 -t overlayfs "overlayfs:$1" /mnt && root=/mnt + elif grep -q mini_fo /proc/filesystems; then + mount -t mini_fo -o noatime,base=/,sto=$1 "mini_fo:$1" /mnt 2>&- && root=/mnt + else + mount --bind -o noatime / /mnt + mount --bind -o noatime,union "$1" /mnt && root=/mnt + fi + } || { + [ "$3" = "1" ] && { + mount | grep "on $1 type" 2>&- 1>&- || mount -o noatime,bind $1 $1 + dupe $1 $rom + } + } + pivot $root $2 +} + +ramoverlay() { + mkdir -p /tmp/root + mount -t tmpfs -o noatime,mode=0755 root /tmp/root + fopivot /tmp/root /rom 1 +} + [ -z "$IPKG_INSTROOT" -a -f /lib/config/uci.sh ] && . /lib/config/uci.sh |