X-Git-Url: https://git.archive.openwrt.org/?a=blobdiff_plain;f=package%2Fbase-files%2Ffiles%2Flib%2Ffunctions.sh;h=e05108c76598750d552a4a2511e74b87aeb1073e;hb=3489fabdc6eeea2a276a2a1fb05b9baf4d8de275;hp=43ce60ee15e39fd93ded7e7777201f1b3c771bbc;hpb=dbfb36880475206561f55dd8a65be3d379edbef0;p=openwrt.git

diff --git a/package/base-files/files/lib/functions.sh b/package/base-files/files/lib/functions.sh
index 43ce60ee15..e05108c765 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="
@@ -27,7 +25,7 @@ append() {
 	local var="$1"
 	local value="$2"
 	local sep="${3:- }"
-	
+
 	eval "export ${NO_EXPORT:+-n} -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
 }
 
@@ -74,7 +72,7 @@ package() {
 config () {
 	local cfgtype="$1"
 	local name="$2"
-	
+
 	export ${NO_EXPORT:+-n} CONFIG_NUM_SECTIONS=$(($CONFIG_NUM_SECTIONS + 1))
 	name="${name:-cfg$CONFIG_NUM_SECTIONS}"
 	append CONFIG_SECTIONS "$name"
@@ -110,7 +108,7 @@ config_rename() {
 	local NEW="$2"
 	local oldvar
 	local newvar
-	
+
 	[ -n "$OLD" -a -n "$NEW" ] || return
 	for oldvar in `set | grep ^CONFIG_${OLD}_ | \
 		sed -e 's/\(.*\)=.*$/\1/'` ; do
@@ -119,7 +117,7 @@ config_rename() {
 		unset "$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"
 }
 
@@ -135,8 +133,8 @@ config_clear() {
 	export ${NO_EXPORT:+-n} CONFIG_SECTIONS="${SECTION:+$CONFIG_SECTIONS}"
 
 	for oldvar in `set | grep ^CONFIG_${SECTION:+${SECTION}_} | \
-		sed -e 's/\(.*\)=.*$/\1/'` ; do 
-		unset $oldvar 
+		sed -e 's/\(.*\)=.*$/\1/'` ; do
+		unset $oldvar
 	done
 }
 
@@ -173,17 +171,17 @@ config_set() {
 }
 
 config_foreach() {
-	local function="$1"
+	local ___function="$1"
 	[ "$#" -ge 1 ] && shift
-	local type="$1"
+	local ___type="$1"
 	[ "$#" -ge 1 ] && shift
 	local section cfgtype
-	
+
 	[ -z "$CONFIG_SECTIONS" ] && return 0
 	for section in ${CONFIG_SECTIONS}; do
 		config_get cfgtype "$section" TYPE
-		[ -n "$type" -a "x$cfgtype" != "x$type" ] && continue
-		eval "$function \"\$section\" \"\$@\""
+		[ -n "$___type" -a "x$cfgtype" != "x$___type" ] && continue
+		eval "$___function \"\$section\" \"\$@\""
 	done
 }
 
@@ -200,12 +198,12 @@ 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>&- || :
@@ -214,19 +212,155 @@ load_modules() {
 
 include() {
 	local file
-	
+
 	for file in $(ls $1/*.sh 2>/dev/null); do
 		. $file
 	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="$2"
+	local part
+	local mac_dirty
+
+	part=$(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
+	[ -n "$mac_dirty" ] && macaddr_canonicalize "$mac_dirty"
+}
+
+mtd_get_blob()
+{
+	local mtdname="$1"
+	local offset="$2"
+	local count="$3"
+	local firmware="$4"
+	local part
+
+	part=$(find_mtd_part "$mtdname")
+	if [ -z "$part" ]; then
+		echo "mtd_get_blob: partition $mtdname not found!" >&2
+		return 1
+	fi
+
+	dd if=$part of=$firmware bs=1 skip=$offset count=$count 2>/dev/null || {
+		echo "mtd_get_blob: failed to extract $firmware from $part" >&2
+		return 1
+	}
+}
+
+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"'
+}
+
+mtd_get_part_size() {
+	local part_name=$1
+	local first dev size erasesize name
+	while read dev size erasesize name; do
+		name=${name#'"'}; name=${name%'"'}
+		if [ "$name" = "$part_name" ]; then
+			echo $((0x$size))
+			break
+		fi
+	done < /proc/mtd
+}
+
+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}
+}
+
+macaddr_canonicalize()
+{
+	local mac="$1"
+	local canon=""
+
+	[ ${#mac} -gt 17 ] && return
+	[ -n "${mac//[a-fA-F0-9\.: -]/}" ] && return
+
+	for octet in ${mac//[\.:-]/ }; do
+		case "${#octet}" in
+		1)
+			octet="0${octet}"
+			;;
+		2)
+			;;
+		4)
+			octet="${octet:0:2} ${octet:2:2}"
+			;;
+		12)
+			octet="${octet:0:2} ${octet:2:2} ${octet:4:2} ${octet:6:2} ${octet:8:2} ${octet:10:2}"
+			;;
+		*)
+			return
+			;;
+		esac
+		canon=${canon}${canon:+ }${octet}
+	done
+
+	[ ${#canon} -ne 17 ] && return
+
+	printf "%02x:%02x:%02x:%02x:%02x:%02x" 0x${canon// / 0x} 2>/dev/null
 }
 
 strtok() { # <string> { <variable> [<separator>] ... }
@@ -275,117 +409,41 @@ uci_apply_defaults() {
 	uci commit
 }
 
-#
-# service: simple wrapper around start-stop-daemon
-#
-# Usage: service ACTION EXEC ARGS...
-#
-# Action:
-#   -C   check if EXEC is alive
-#   -S   start EXEC, passing it ARGS as its arguments
-#   -K   kill EXEC, sending it a TERM signal if not specified otherwise
-#
-# Environment variables exposed:
-#   SERVICE_DAEMONIZE    run EXEC in background
-#   SERVICE_WRITE_PID    create a pid file and use it
-#   SERVICE_USE_PID      assume EXEC creates its own pid file and use it
-#   SERVICE_PID_FILE     pid file to use (default to /var/run/EXEC.pid)
-#   SERVICE_SIG          signal to send when using -K
-#   SERVICE_SIG_RELOAD   default signal used for reloading
-#   SERVICE_SIG_STOP     default signal used for stopping
-#   SERVICE_STOP_TIME    time to wait for a process to stop gracefully before killing it
-#   SERVICE_UID          user EXEC should be run as
-#   SERVICE_GID          group EXEC should be run as
-#
-#   SERVICE_DEBUG        don't do anything, but show what would be done
-#   SERVICE_QUIET        don't print anything
-#
-
-SERVICE_QUIET=1
-SERVICE_SIG_RELOAD="HUP"
-SERVICE_SIG_STOP="TERM"
-SERVICE_STOP_TIME=5
-
-service() {
-	local ssd
-	ssd="${SERVICE_DEBUG:+echo }start-stop-daemon${SERVICE_QUIET:+ -q}"
-	case "$1" in
-	  -C)
-		ssd="$ssd -K -t"
-		;;
-	  -S)
-		ssd="$ssd -S${SERVICE_DAEMONIZE:+ -b}${SERVICE_WRITE_PID:+ -m}"
-		;;
-	  -K)
-		ssd="$ssd -K${SERVICE_SIG:+ -s $SERVICE_SIG}"
-		;;
-	  *)
-		echo "ssd: unknow action '$1'" 1>&2
-		return 1
-	esac
-	shift
-	if [ -z "$1" ]; then
-		echo "ssd: missing arguments" 1>&2
-		return 1
-	fi
-	ssd="$ssd -x $1"
-	if [ -n "$SERVICE_PID_FILE$SERVICE_USE_PID$SERVICE_WRITE_PID" ]; then
-		ssd="$ssd -p ${SERVICE_PID_FILE:-/var/run/${1##*/}.pid}"
-	fi
-	ssd="$ssd${SERVICE_UID:+ -c $SERVICE_UID${SERVICE_GID:+:$SERVICE_GID}}"
-	shift
-	$ssd${1:+ -- "$@"}
-}
-
-service_check() {
-	service -C "$@"
+group_add() {
+	local name="$1"
+	local gid="$2"
+	local rc
+	[ -f "${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
 }
 
-service_signal() {
-	SERVICE_SIG="${SERVICE_SIG:-USR1}" service -K "$@"
+group_exists() {
+	grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/group
 }
 
-service_start() {
-	service -S "$@"
-}
-
-service_stop() {
-	local try
-	SERVICE_SIG="${SERVICE_SIG:-$SERVICE_SIG_STOP}" service -K "$@" || return 1
-	while [ $((try++)) -lt $SERVICE_STOP_TIME ]; do
-		service -C "$@" || return 0
-		sleep 1
-	done
-	SERVICE_SIG="KILL" service -K "$@"
-	sleep 1
-	! service -C "$@"
-}
-
-service_reload() {
-	SERVICE_SIG="${SERVICE_SIG:-$SERVICE_SIG_RELOAD}" service -K "$@"
+user_add() {
+	local name="${1}"
+	local uid="${2}"
+	local gid="${3:-$2}"
+	local desc="${4:-$1}"
+	local home="${5:-/var/run/$1}"
+	local shell="${6:-/bin/false}"
+	local rc
+	[ -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
 }
 
-service_kill() {
-	cat 1>&2 << __END_OF_WARNING__
-#
-# WARNING: the 'service_kill' function is now deprecated and might be 
-# removed soon. Consider using the other new service_* wrappers instead.
-#
-__END_OF_WARNING__
-	local name="${1}"
-	local pid="${2:-$(pidof "$name")}"
-	local grace="${3:-5}"
-
-	[ -f "$pid" ] && pid="$(head -n1 "$pid" 2>/dev/null)"
-
-	for pid in $pid; do
-		[ -d "/proc/$pid" ] || continue
-		local try=0
-		kill -TERM $pid 2>/dev/null && \
-			while grep -qs "$name" "/proc/$pid/cmdline" && [ $((try++)) -lt $grace ]; do sleep 1; done
-		kill -KILL $pid 2>/dev/null && \
-			while grep -qs "$name" "/proc/$pid/cmdline"; do sleep 1; done
-	done
+user_exists() {
+	grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/passwd
 }
 
 
@@ -413,4 +471,88 @@ 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
+}
+
+pivot() { # <new_root> <old_root>
+	/bin/mount -o noatime,move /proc $1/proc && \
+	pivot_root $1 $1$2 && {
+		/bin/mount -o noatime,move $2/dev /dev
+		/bin/mount -o noatime,move $2/tmp /tmp
+		/bin/mount -o noatime,move $2/sys /sys 2>&-
+		/bin/mount -o noatime,move $2/overlay /overlay 2>&-
+		return 0
+	}
+}
+
+fopivot() { # <rw_root> <ro_root> <dupe?>
+	/bin/mount -o noatime,lowerdir=/,upperdir=$1 -t overlayfs "overlayfs:$1" /mnt
+	pivot /mnt $2
+}
+
+ramoverlay() {
+	mkdir -p /tmp/root
+	/bin/mount -t tmpfs -o noatime,mode=0755 root /tmp/root
+	fopivot /tmp/root /rom 1
+}
+
 [ -z "$IPKG_INSTROOT" -a -f /lib/config/uci.sh ] && . /lib/config/uci.sh