2 # Copyright (C) 2006-2013 OpenWrt.org
3 # Copyright (C) 2006 Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
4 # Copyright (C) 2010 Vertical Communications
21 env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug-call net
29 eval "export ${NO_EXPORT:+-n} -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
37 eval "val=\" \${$var} \""
38 [ "${val%% $str *}" != "$val" ]
46 eval "val=\" \${$var} \""
47 val1="${val%% $remove *}"
48 [ "$val1" = "$val" ] && return
49 val2="${val##* $remove }"
50 [ "$val2" = "$val" ] && return
51 val="${val1## } ${val2%% }"
53 eval "export ${NO_EXPORT:+-n} -- \"$var=\$val\""
57 [ -n "$IPKG_INSTROOT" ] && return 0
62 config_cb() { return 0; }
63 option_cb() { return 0; }
64 list_cb() { return 0; }
76 export ${NO_EXPORT:+-n} CONFIG_NUM_SECTIONS=$(($CONFIG_NUM_SECTIONS + 1))
77 name="${name:-cfg$CONFIG_NUM_SECTIONS}"
78 append CONFIG_SECTIONS "$name"
79 [ -n "$NO_CALLBACK" ] || config_cb "$cfgtype" "$name"
80 export ${NO_EXPORT:+-n} CONFIG_SECTION="$name"
81 export ${NO_EXPORT:+-n} "CONFIG_${CONFIG_SECTION}_TYPE=$cfgtype"
85 local varname="$1"; shift
88 export ${NO_EXPORT:+-n} "CONFIG_${CONFIG_SECTION}_${varname}=$value"
89 [ -n "$NO_CALLBACK" ] || option_cb "$varname" "$*"
93 local varname="$1"; shift
97 config_get len "$CONFIG_SECTION" "${varname}_LENGTH" 0
98 [ $len = 0 ] && append CONFIG_LIST_STATE "${CONFIG_SECTION}_${varname}"
100 config_set "$CONFIG_SECTION" "${varname}_ITEM$len" "$value"
101 config_set "$CONFIG_SECTION" "${varname}_LENGTH" "$len"
102 append "CONFIG_${CONFIG_SECTION}_${varname}" "$value" "$LIST_SEP"
103 list_cb "$varname" "$*"
112 [ -n "$OLD" -a -n "$NEW" ] || return
113 for oldvar in `set | grep ^CONFIG_${OLD}_ | \
114 sed -e 's/\(.*\)=.*$/\1/'` ; do
115 newvar="CONFIG_${NEW}_${oldvar##CONFIG_${OLD}_}"
116 eval "export ${NO_EXPORT:+-n} \"$newvar=\${$oldvar}\""
119 export ${NO_EXPORT:+-n} CONFIG_SECTIONS="$(echo " $CONFIG_SECTIONS " | sed -e "s, $OLD , $NEW ,")"
121 [ "$CONFIG_SECTION" = "$OLD" ] && export ${NO_EXPORT:+-n} CONFIG_SECTION="$NEW"
125 config_set "$1" "$2" ""
132 list_remove CONFIG_SECTIONS "$SECTION"
133 export ${NO_EXPORT:+-n} CONFIG_SECTIONS="${SECTION:+$CONFIG_SECTIONS}"
135 for oldvar in `set | grep ^CONFIG_${SECTION:+${SECTION}_} | \
136 sed -e 's/\(.*\)=.*$/\1/'` ; do
141 # config_get <variable> <section> <option> [<default>]
142 # config_get <section> <option>
145 "") eval echo "\${CONFIG_${1}_${2}:-\${4}}";;
146 *) eval export ${NO_EXPORT:+-n} -- "${1}=\${CONFIG_${2}_${3}:-\${4}}";;
150 # config_get_bool <variable> <section> <option> [<default>]
153 config_get _tmp "$2" "$3" "$4"
155 1|on|true|enabled) _tmp=1;;
156 0|off|false|disabled) _tmp=0;;
159 export ${NO_EXPORT:+-n} "$1=$_tmp"
166 local old_section="$CONFIG_SECTION"
168 CONFIG_SECTION="$section"
169 option "$option" "$value"
170 CONFIG_SECTION="$old_section"
174 local ___function="$1"
175 [ "$#" -ge 1 ] && shift
177 [ "$#" -ge 1 ] && shift
178 local section cfgtype
180 [ -z "$CONFIG_SECTIONS" ] && return 0
181 for section in ${CONFIG_SECTIONS}; do
182 config_get cfgtype "$section" TYPE
183 [ -n "$___type" -a "x$cfgtype" != "x$___type" ] && continue
184 eval "$___function \"\$section\" \"\$@\""
188 config_list_foreach() {
189 [ "$#" -ge 3 ] || return 0
190 local section="$1"; shift
191 local option="$1"; shift
192 local function="$1"; shift
197 config_get len "${section}" "${option}_LENGTH"
198 [ -z "$len" ] && return 0
199 while [ $c -le "$len" ]; do
200 config_get val "${section}" "${option}_ITEM$c"
201 eval "$function \"\$val\" \"\$@\""
207 [ -d /etc/modules.d ] && {
209 sed 's/^[^#]/insmod &/' $* | ash 2>&- || :
216 for file in $(ls $1/*.sh 2>/dev/null); do
222 local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
223 local INDEX="${PART##mtd}"
229 local INDEX=$(find_mtd_index "$1")
230 local PREFIX=/dev/mtdblock
232 [ -d /dev/mtdblock ] && PREFIX=/dev/mtdblock/
233 echo "${INDEX:+$PREFIX$INDEX}"
237 local INDEX=$(find_mtd_index "$1")
238 local PREFIX=/dev/mtd
240 [ -d /dev/mtd ] && PREFIX=/dev/mtd/
241 echo "${INDEX:+$PREFIX$INDEX}"
253 part=$(find_mtd_part "$mtdname")
254 if [ -z "$part" ]; then
255 echo "mtd_get_mac_ascii: partition $mtdname not found!" >&2
259 mac_dirty=$(strings "$part" | sed -n 's/'"$key"'=//p')
261 printf "%02x:%02x:%02x:%02x:%02x:%02x" 0x${mac_dirty//:/ 0x}
264 mtd_get_mac_binary() {
269 part=$(find_mtd_part "$mtdname")
270 if [ -z "$part" ]; then
271 echo "mtd_get_mac_binary: partition $mtdname not found!" >&2
275 dd bs=1 skip=$offset count=6 if=$part 2>/dev/null | hexdump -v -n 6 -e '5/1 "%02x:" 1/1 "%02x"'
281 local oui=${mac%:*:*:*}
282 local nic=${mac#*:*:*:}
284 nic=$(printf "%06x" $((0x${nic//:/} + $val & 0xffffff)) | sed 's/^\(.\{2\}\)\(.\{2\}\)\(.\{2\}\)/\1:\2:\3/')
292 printf "%02x:%s" $((0x${mac%%:*} | 0x02)) ${mac#*:}
299 echo -ne \\x${mac//:/\\x}
302 strtok() { # <string> { <variable> [<separator>] ... }
309 while [ $# -gt 1 ]; do
312 [ "$tmp" = "$val" ] && break
316 export ${NO_EXPORT:+-n} "$1=$tmp"; count=$((count+1))
320 if [ $# -gt 0 -a -n "$val" ]; then
321 export ${NO_EXPORT:+-n} "$1=$val"; count=$((count+1))
329 local part="$(find_mtd_part "$1")"
331 echo Partition not found.
334 echo -e "\xde\xad\xc0\xde" | mtd -qq write - "$1"
337 uci_apply_defaults() {
338 cd /etc/uci-defaults || return 0
340 [ -z "$files" ] && return 0
342 for file in $files; do
343 ( . "./$(basename $file)" ) && rm -f "$file"
352 [ -f "${IPKG_INSTROOT}/etc/group" ] || return 1
353 [ -n "$IPKG_INSTROOT" ] || lock /var/lock/group
354 echo "${name}:x:${gid}:" >> ${IPKG_INSTROOT}/etc/group
356 [ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/group
361 grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/group
368 local desc="${4:-$1}"
369 local home="${5:-/var/run/$1}"
370 local shell="${6:-/bin/false}"
372 [ -f "${IPKG_INSTROOT}/etc/passwd" ] || return 1
373 [ -n "$IPKG_INSTROOT" ] || lock /var/lock/passwd
374 echo "${name}:x:${uid}:${gid}:${desc}:${home}:${shell}" >> ${IPKG_INSTROOT}/etc/passwd
375 echo "${name}:x:0:0:99999:7:::" >> ${IPKG_INSTROOT}/etc/shadow
377 [ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/passwd
382 grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/passwd
387 if [ -f "/tmp/overlay/$1" ]; then
389 elif [ -f "$1" ]; then
391 elif [ -d "/tmp/overlay/$1" ]; then
392 if [ -n "$(ls /tmp/overlay/$1/*.sh 2>/dev/null)" ]; then
393 for src_script in /tmp/overlay/$1/*.sh; do
397 elif [ -d "$1" ]; then
398 if [ -n "$(ls $1/*.sh 2>/dev/null)" ]; then
399 for src_script in $1/*.sh; do
404 echo "WARNING: $1 not found"
410 boot_hook_splice_start() {
411 export -n PI_HOOK_SPLICE=1
414 boot_hook_splice_finish() {
416 for hook in $PI_STACK_LIST; do
417 local v; eval "v=\${${hook}_splice:+\$${hook}_splice }$hook"
418 export -n "${hook}=${v% }"
419 export -n "${hook}_splice="
421 export -n PI_HOOK_SPLICE=
425 local hook="${1}_hook"
426 export -n "PI_STACK_LIST=${PI_STACK_LIST:+$PI_STACK_LIST }$hook"
431 local hook="${1}_hook${PI_HOOK_SPLICE:+_splice}"
435 local v; eval "v=\$$hook"
436 export -n "$hook=${v:+$v }$func"
441 local hook="${1}_hook"
444 local v; eval "v=\$$hook"
446 local first="${v%% *}"
448 [ "$v" != "${v#* }" ] && \
449 export -n "$hook=${v#* }" || \
452 export -n "$rvar=$first"
463 while boot_hook_shift "$hook" func; do
464 local ran; eval "ran=\$PI_RAN_$func"
466 export -n "PI_RAN_$func=1"
473 mtdpart="$(find_mtd_part rootfs_data)"
474 [ -z "$mtdpart" ] && return 1
475 magic=$(hexdump $mtdpart -n 4 -e '4/1 "%02x"')
476 [ "$magic" != "deadc0de" ]
479 dupe() { # <new_root> <old_root>
481 echo -n "creating directories... "
485 echo "./dev ./overlay ./mnt ./proc ./tmp"
486 # xdev skips mounted directories
491 echo -n "setting up symlinks... "
492 for file in $(cd $2; find . -xdev -type f;); do
494 ./rom/note) ;; #nothing
496 ./usr/lib/opkg/info/*) cp -af $2/$file $file;;
497 *) ln -sf /rom/${file#./*} $file;;
500 for file in $(cd $2; find . -xdev -type l;); do
501 cp -af $2/${file#./*} $file
506 pivot() { # <new_root> <old_root>
507 mount -o noatime,move /proc $1/proc && \
508 pivot_root $1 $1$2 && {
509 mount -o noatime,move $2/dev /dev
510 mount -o noatime,move $2/tmp /tmp
511 mount -o noatime,move $2/sys /sys 2>&-
512 mount -o noatime,move $2/overlay /overlay 2>&-
517 fopivot() { # <rw_root> <ro_root> <dupe?>
520 if grep -q overlay /proc/filesystems; then
521 mount -o noatime,lowerdir=/,upperdir=$1 -t overlayfs "overlayfs:$1" /mnt && root=/mnt
522 elif grep -q mini_fo /proc/filesystems; then
523 mount -t mini_fo -o noatime,base=/,sto=$1 "mini_fo:$1" /mnt 2>&- && root=/mnt
525 mount --bind -o noatime / /mnt
526 mount --bind -o noatime,union "$1" /mnt && root=/mnt
530 mount | grep "on $1 type" 2>&- 1>&- || mount -o noatime,bind $1 $1
539 mount -t tmpfs -o noatime,mode=0755 root /tmp/root
540 fopivot /tmp/root /rom 1
543 [ -z "$IPKG_INSTROOT" -a -f /lib/config/uci.sh ] && . /lib/config/uci.sh