Final Prep

opkg-feed/installer/openwrt-sdxlemur-skel/usr/share/acl.d/ntpd.json

@@ -0,0 +1,8 @@
+{
+	"user": "ntp",
+	"access": {
+		"hotplug.ntp": {
+			"methods": [ "call" ]
+		}
+	}
+}

opkg-feed/installer/openwrt-sdxlemur-skel/usr/share/libubox/jshn.sh

@@ -0,0 +1,315 @@
+# functions for parsing and generating json
+
+_json_get_var() {
+	# dest=$1
+	# var=$2
+	eval "$1=\"\$${JSON_PREFIX}$2\""
+}
+
+_json_set_var() {
+	# var=$1
+	local ___val="$2"
+	eval "${JSON_PREFIX}$1=\"\$___val\""
+}
+
+__jshn_raw_append() {
+	# var=$1
+	local value="$2"
+	local sep="${3:- }"
+
+	eval "export -- \"$1=\${$1:+\${$1}\${value:+\$sep}}\$value\""
+}
+
+_jshn_append() {
+	# var=$1
+	local _a_value="$2"
+	eval "${JSON_PREFIX}$1=\"\${${JSON_PREFIX}$1} \$_a_value\""
+}
+
+_get_var() {
+	# var=$1
+	# value=$2
+	eval "$1=\"\$$2\""
+}
+
+_set_var() {
+	# var=$1
+	local __val="$2"
+	eval "$1=\"\$__val\""
+}
+
+_json_inc() {
+	# var=$1
+	# dest=$2
+
+	let "${JSON_PREFIX}$1 += 1" "$2 = ${JSON_PREFIX}$1"
+}
+
+_json_add_generic() {
+	# type=$1
+	# name=$2
+	# value=$3
+	# cur=$4
+
+	local var
+	if [ "${4%%[0-9]*}" = "J_A" ]; then
+		_json_inc "S_$4" var
+	else
+		var="${2//[^a-zA-Z0-9_]/_}"
+		[[ "$var" == "$2" ]] || export -- "${JSON_PREFIX}N_${4}_${var}=$2"
+	fi
+
+	export -- \
+		"${JSON_PREFIX}${4}_$var=$3" \
+		"${JSON_PREFIX}T_${4}_$var=$1"
+	_jshn_append "JSON_UNSET" "${4}_$var"
+	_jshn_append "K_$4" "$var"
+}
+
+_json_add_table() {
+	# name=$1
+	# type=$2
+	# itype=$3
+	local cur seq
+
+	_json_get_var cur JSON_CUR
+	_json_inc JSON_SEQ seq
+
+	local table="J_$3$seq"
+	_json_set_var "U_$table" "$cur"
+	export -- "${JSON_PREFIX}K_$table="
+	unset "${JSON_PREFIX}S_$table"
+	_json_set_var JSON_CUR "$table"
+	_jshn_append "JSON_UNSET" "$table"
+
+	_json_add_generic "$2" "$1" "$table" "$cur"
+}
+
+_json_close_table() {
+	local _s_cur
+
+	_json_get_var _s_cur JSON_CUR
+	_json_get_var "${JSON_PREFIX}JSON_CUR" "U_$_s_cur"
+}
+
+json_set_namespace() {
+	local _new="$1"
+	local _old="$2"
+
+	[ -n "$_old" ] && _set_var "$_old" "$JSON_PREFIX"
+	JSON_PREFIX="$_new"
+}
+
+json_cleanup() {
+	local unset tmp
+
+	_json_get_var unset JSON_UNSET
+	for tmp in $unset J_V; do
+		unset \
+			${JSON_PREFIX}U_$tmp \
+			${JSON_PREFIX}K_$tmp \
+			${JSON_PREFIX}S_$tmp \
+			${JSON_PREFIX}T_$tmp \
+			${JSON_PREFIX}N_$tmp \
+			${JSON_PREFIX}$tmp
+	done
+
+	unset \
+		${JSON_PREFIX}JSON_SEQ \
+		${JSON_PREFIX}JSON_CUR \
+		${JSON_PREFIX}JSON_UNSET
+}
+
+json_init() {
+	json_cleanup
+	export -n ${JSON_PREFIX}JSON_SEQ=0
+	export -- \
+		${JSON_PREFIX}JSON_CUR="J_V" \
+		${JSON_PREFIX}K_J_V=
+}
+
+json_add_object() {
+	_json_add_table "$1" object T
+}
+
+json_close_object() {
+	_json_close_table
+}
+
+json_add_array() {
+	_json_add_table "$1" array A
+}
+
+json_close_array() {
+	_json_close_table
+}
+
+json_add_string() {
+	local cur
+	_json_get_var cur JSON_CUR
+	_json_add_generic string "$1" "$2" "$cur"
+}
+
+json_add_int() {
+	local cur
+	_json_get_var cur JSON_CUR
+	_json_add_generic int "$1" "$2" "$cur"
+}
+
+json_add_boolean() {
+	local cur
+	_json_get_var cur JSON_CUR
+	_json_add_generic boolean "$1" "$2" "$cur"
+}
+
+json_add_double() {
+	local cur
+	_json_get_var cur JSON_CUR
+	_json_add_generic double "$1" "$2" "$cur"
+}
+
+json_add_null() {
+	local cur
+	_json_get_var cur JSON_CUR
+	_json_add_generic null "$1" "" "$cur"
+}
+
+# functions read access to json variables
+
+json_load() {
+	eval "`jshn -r "$1"`"
+}
+
+json_load_file() {
+	eval "`jshn -R "$1"`"
+}
+
+json_dump() {
+	jshn "$@" ${JSON_PREFIX:+-p "$JSON_PREFIX"} -w 
+}
+
+json_get_type() {
+	local __dest="$1"
+	local __cur
+
+	_json_get_var __cur JSON_CUR
+	local __var="${JSON_PREFIX}T_${__cur}_${2//[^a-zA-Z0-9_]/_}"
+	eval "export -- \"$__dest=\${$__var}\"; [ -n \"\${$__var+x}\" ]"
+}
+
+json_get_keys() {
+	local __dest="$1"
+	local _tbl_cur
+
+	if [ -n "$2" ]; then
+		json_get_var _tbl_cur "$2"
+	else
+		_json_get_var _tbl_cur JSON_CUR
+	fi
+	local __var="${JSON_PREFIX}K_${_tbl_cur}"
+	eval "export -- \"$__dest=\${$__var}\"; [ -n \"\${$__var+x}\" ]"
+}
+
+json_get_values() {
+	local _v_dest="$1"
+	local _v_keys _v_val _select=
+	local _json_no_warning=1
+
+	unset "$_v_dest"
+	[ -n "$2" ] && {
+		json_select "$2" || return 1
+		_select=1
+	}
+
+	json_get_keys _v_keys
+	set -- $_v_keys
+	while [ "$#" -gt 0 ]; do
+		json_get_var _v_val "$1"
+		__jshn_raw_append "$_v_dest" "$_v_val"
+		shift
+	done
+	[ -n "$_select" ] && json_select ..
+
+	return 0
+}
+
+json_get_var() {
+	local __dest="$1"
+	local __cur
+
+	_json_get_var __cur JSON_CUR
+	local __var="${JSON_PREFIX}${__cur}_${2//[^a-zA-Z0-9_]/_}"
+	eval "export -- \"$__dest=\${$__var:-$3}\"; [ -n \"\${$__var+x}\${3+x}\" ]"
+}
+
+json_get_vars() {
+	while [ "$#" -gt 0 ]; do
+		local _var="$1"; shift
+		if [ "$_var" != "${_var#*:}" ]; then
+			json_get_var "${_var%%:*}" "${_var%%:*}" "${_var#*:}"
+		else
+			json_get_var "$_var" "$_var"
+		fi
+	done
+}
+
+json_select() {
+	local target="$1"
+	local type
+	local cur
+
+	[ -z "$1" ] && {
+		_json_set_var JSON_CUR "J_V"
+		return 0
+	}
+	[[ "$1" == ".." ]] && {
+		_json_get_var cur JSON_CUR
+		_json_get_var cur "U_$cur"
+		_json_set_var JSON_CUR "$cur"
+		return 0
+	}
+	json_get_type type "$target"
+	case "$type" in
+		object|array)
+			json_get_var cur "$target"
+			_json_set_var JSON_CUR "$cur"
+		;;
+		*)
+			[ -n "$_json_no_warning" ] || \
+				echo "WARNING: Variable '$target' does not exist or is not an array/object"
+			return 1
+		;;
+	esac
+}
+
+json_is_a() {
+	local type
+
+	json_get_type type "$1"
+	[ "$type" = "$2" ]
+}
+
+json_for_each_item() {
+	[ "$#" -ge 2 ] || return 0
+	local function="$1"; shift
+	local target="$1"; shift
+	local type val
+
+	json_get_type type "$target"
+	case "$type" in
+		object|array)
+			local keys key
+			json_select "$target"
+			json_get_keys keys
+			for key in $keys; do
+				json_get_var val "$key"
+				eval "$function \"\$val\" \"\$key\" \"\$@\""
+			done
+			json_select ..
+		;;
+		*)
+			json_get_var val "$target"
+			eval "$function \"\$val\" \"\" \"\$@\""
+		;;
+	esac
+}