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#!/bin/sh
# Copyright 2023 MOSSDeF, Stan Grishin (stangri@melmac.ca)
# shellcheck disable=SC1091,SC2039,SC3043
# TechRef: https://openwrt.org/docs/techref/rpcd
# ubus -v list luci.https-dns-proxy
# ubus -S call luci.https-dns-proxy getInitList '{"name": "https-dns-proxy" }'
# ubus -S call luci.https-dns-proxy getInitStatus '{"name": "https-dns-proxy" }'
# ubus -S call luci.https-dns-proxy getPlatformSupport '{"name": "https-dns-proxy" }'
# ubus -S call luci.https-dns-proxy getProviders '{"name": "https-dns-proxy" }'
# ubus -S call luci.https-dns-proxy getRuntime '{"name": "https-dns-proxy" }'
readonly packageName="https-dns-proxy"
readonly providersDir="/usr/share/${packageName}/providers"
. /lib/functions.sh
. /usr/share/libubox/jshn.sh
is_enabled() { "/etc/init.d/${1}" enabled; }
is_running() { [ "$(ubus call service list "{ 'name': '$1' }" | jsonfilter -q -e "@['$1'].instances[*].running" | uniq)" = 'true' ]; }
get_version() { grep -m1 -A2 -w "^Package: $1$" /usr/lib/opkg/status | sed -n 's/Version: //p'; }
check_http2() { curl --version | grep -q 'nghttp2'; }
check_http3() { curl --version | grep -q 'nghttp3'; }
ubus_get_ports() { ubus call service list "{ 'name': '$packageName' }" | jsonfilter -e "@['${packageName}'].instances[*].data.firewall.*.dest_port"; }
logger() { /usr/bin/logger -t "$packageName" "$@"; }
print_json_bool() { json_init; json_add_boolean "$1" "$2"; json_dump; json_cleanup; }
get_init_list() {
local name="$1"
json_init
json_add_object "$name"
if is_enabled "$name"; then
json_add_boolean 'enabled' '1'
else
json_add_boolean 'enabled' '0'
fi
if is_running "$name"; then
json_add_boolean 'running' '1'
else
json_add_boolean 'running' '0'
fi
json_close_object
json_dump
json_cleanup
}
get_init_status() {
local name
local i ports
local version
name="$(basename "$1")"
name="${name:-$packageName}"
ports="$(ubus_get_ports)"
[ -z "$version" ] && version="$(get_version "$name")"
json_init
json_add_object "$name"
if is_enabled "$name"; then
json_add_boolean 'enabled' '1'
else
json_add_boolean 'enabled' '0'
fi
if is_running "$name"; then
json_add_boolean 'running' '1'
else
json_add_boolean 'running' '0'
fi
if [ -n "$ports" ]; then
json_add_boolean 'force_dns_active' '1'
json_add_array 'force_dns_ports'
for i in $ports; do json_add_int '' "$i"; done
json_close_array
else
json_add_boolean 'force_dns_active' '0'
fi
json_add_string 'version' "$version"
json_close_array
json_close_object
json_dump
json_cleanup
}
get_platform_support() {
local name
name="$(basename "$1")"
name="${name:-$packageName}"
json_init
json_add_object "$name"
if check_http2; then
json_add_boolean 'http2_support' '1'
else
json_add_boolean 'http2_support' '0'
fi
if check_http3; then
json_add_boolean 'http3_support' '1'
else
json_add_boolean 'http3_support' '0'
fi
json_close_object
json_dump
json_cleanup
}
get_providers() {
local f
echo '{"https-dns-proxy":['
for f in "$providersDir"/*; do
cat "$f"
echo ','
done
# echo '{ "title": "Custom", "template": "{option}", "params": { "option": { "type": "text", }, }, },'
echo ']}'
}
get_runtime() { ubus call service list "{ 'verbose': true, 'name': '$1' }"; }
set_init_action() {
local name="$1" action="$2" cmd
case $action in
enable)
cmd="/etc/init.d/${name} enable";;
disable)
cmd="/etc/init.d/${name} disable";;
start|stop|restart)
cmd="/etc/init.d/${name} ${action}";;
esac
if [ -n "$cmd" ] && eval "${cmd}" >/dev/null 2>&1; then
print_json_bool "result" '1'
else
print_json_bool "result" '0'
fi
}
case "$1" in
list)
json_init
json_add_object "getInitList"
json_add_string 'name' "name"
json_close_object
json_add_object "getInitStatus"
json_add_string 'name' 'name'
json_close_object
json_add_object "getPlatformSupport"
json_add_string 'name' 'name'
json_close_object
json_add_object "getProviders"
json_add_string 'name' "name"
json_close_object
json_add_object "getRuntime"
json_add_string 'name' "name"
json_close_object
json_add_object "setInitAction"
json_add_string 'name' "name"
json_add_string 'action' "action"
json_close_object
json_dump
json_cleanup
;;
call)
case "$2" in
getInitList)
read -r input
json_load "$input"
json_get_var name "name"
json_cleanup
get_init_list "$name"
;;
getInitStatus)
read -r input
json_load "$input"
json_get_var name 'name'
json_cleanup
get_init_status "$name"
;;
getPlatformSupport)
read -r input
json_load "$input"
json_get_var name 'name'
json_cleanup
get_platform_support "$name"
;;
getProviders)
read -r input
json_load "$input"
json_get_var name "name"
json_cleanup
get_providers "$name"
;;
getRuntime)
read -r input
json_load "$input"
json_get_var name "name"
json_cleanup
get_runtime "$name"
;;
setInitAction)
read -r input
json_load "$input"
json_get_var name "name"
json_get_var action "action"
json_cleanup
set_init_action "$name" "$action"
;;
esac
;;
esac
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