mirror of
https://github.com/Ysurac/openmptcprouter-feeds.git
synced 2025-03-09 15:40:03 +00:00
220 lines
6 KiB
Bash
Executable file
220 lines
6 KiB
Bash
Executable file
#!/bin/sh /etc/rc.common
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# Copyright 2019-2020 Stan Grishin (stangri@melmac.net)
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# shellcheck disable=SC2039
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PKG_VERSION='dev-test'
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# shellcheck disable=SC2034
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START=80
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# shellcheck disable=SC2034
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USE_PROCD=1
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if type extra_command 1>/dev/null 2>&1; then
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extra_command 'version' 'Show version information'
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else
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# shellcheck disable=SC2034
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EXTRA_COMMANDS='version'
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fi
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readonly PROG=/usr/sbin/https-dns-proxy
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dnsmasqConfig=''
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forceDNS='1'
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version() { echo "$PKG_VERSION"; }
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xappend() { param="$param $1"; }
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append_bool() {
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local section="$1"
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local option="$2"
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local value="$3"
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local default="$4"
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local _loctmp
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[ -z "$default" ] && default="0"
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config_get_bool _loctmp "$section" "$option" "$default"
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[ "$_loctmp" != "0" ] && xappend "$value"
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}
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append_parm() {
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local section="$1"
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local option="$2"
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local switch="$3"
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local default="$4"
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local _loctmp
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config_get _loctmp "$section" "$option" "$default"
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[ -z "$_loctmp" ] && return 0
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xappend "$switch $_loctmp"
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}
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start_instance() {
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local cfg="$1" param listen_addr listen_port i
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append_parm "$cfg" 'resolver_url' '-r'
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append_parm "$cfg" 'polling_interval' '-i'
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append_parm "$cfg" 'listen_addr' '-a' '127.0.0.1'
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append_parm "$cfg" 'listen_port' '-p' "$p"
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append_parm "$cfg" 'dscp_codepoint' '-c'
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append_parm "$cfg" 'bootstrap_dns' '-b'
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append_parm "$cfg" 'user' '-u' 'nobody'
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append_parm "$cfg" 'group' '-g' 'nogroup'
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append_parm "$cfg" 'proxy_server' '-t'
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append_parm "$cfg" 'logfile' '-l'
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append_bool "$cfg" 'use_http1' '-x'
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config_get_bool ipv6_resolvers_only "$cfg" 'use_ipv6_resolvers_only' '0'
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config_get verbosity "$cfg" 'verbosity' '0'
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# shellcheck disable=SC2086,SC2154
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for i in $(seq 1 $verbosity); do
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xappend '-v'
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done
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# shellcheck disable=SC2154
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if [ "$ipv6_resolvers_only" = 0 ]; then
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xappend '-4'
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fi
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procd_open_instance
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# shellcheck disable=SC2086
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procd_set_param command ${PROG} ${param}
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procd_set_param stderr 1
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procd_set_param stdout 1
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procd_set_param respawn
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procd_close_instance
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config_get listen_addr "$cfg" 'listen_addr' '127.0.0.1'
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config_get listen_port "$cfg" 'listen_port' "$p"
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if [ "$dnsmasqConfig" = "*" ]; then
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config_load 'dhcp'
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config_foreach dnsmasq_add_doh_server 'dnsmasq' "${listen_addr}" "${listen_port}"
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elif [ -n "$dnsmasqConfig" ]; then
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for i in $dnsmasqConfig; do
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dnsmasq_add_doh_server "@dnsmasq[${i}]" "${listen_addr}" "${listen_port}"
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done
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fi
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p="$((p+1))"
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}
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is_force_dns_active() { iptables-save | grep -q -w -- '--dport 53'; }
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start_service() {
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local p=5053
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config_load 'https-dns-proxy'
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config_get dnsmasqConfig 'config' 'update_dnsmasq_config' '*'
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config_get_bool forceDNS 'config' 'force_dns' '1'
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dhcp_backup 'create'
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config_load 'https-dns-proxy'
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config_foreach start_instance 'https-dns-proxy'
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if [ "$forceDNS" -ne 0 ]; then
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procd_open_instance 'main'
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procd_set_param command /bin/true
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procd_set_param stdout 1
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procd_set_param stderr 1
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procd_open_data
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json_add_array firewall
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json_add_object ''
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json_add_string type redirect
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json_add_string name https_dns_proxy_dns_redirect
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json_add_string target DNAT
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json_add_string src lan
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json_add_string proto tcpudp
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json_add_string src_dport 53
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json_add_string dest_port 53
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json_add_string reflection 0
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json_close_object
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json_close_array
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procd_close_data
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procd_close_instance
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fi
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if [ -n "$(uci -q changes dhcp)" ]; then
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uci -q commit dhcp
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[ -x /etc/init.d/dnsmasq ] && /etc/init.d/dnsmasq restart >/dev/null 2>&1
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fi
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}
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stop_service() {
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config_load 'https-dns-proxy'
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config_get dnsmasqConfig 'config' 'update_dnsmasq_config' '*'
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dhcp_backup 'restore'
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if [ -n "$(uci -q changes dhcp)" ]; then
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uci -q commit dhcp
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[ -x /etc/init.d/dnsmasq ] && /etc/init.d/dnsmasq restart >/dev/null 2>&1
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fi
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}
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service_triggers() {
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procd_add_config_trigger "config.change" "https-dns-proxy" /etc/init.d/https-dns-proxy reload
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}
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service_started() { procd_set_config_changed firewall; }
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service_stopped() { procd_set_config_changed firewall; }
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dnsmasq_add_doh_server() {
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local cfg="$1" address="$2" port="$3"
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case $address in
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0.0.0.0|::ffff:0.0.0.0) address='127.0.0.1';;
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::) address='::1';;
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esac
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uci -q del_list "dhcp.${cfg}.server=${address}#${port}"
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uci -q add_list "dhcp.${cfg}.server=${address}#${port}"
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}
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dnsmasq_create_server_backup() {
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local cfg="$1"
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local i
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uci -q get "dhcp.${cfg}" >/dev/null || return 0
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if ! uci -q get "dhcp.${cfg}.doh_backup_noresolv" >/dev/null; then
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if [ -z "$(uci -q get "dhcp.${cfg}.noresolv")" ]; then
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uci -q set "dhcp.${cfg}.noresolv=1"
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uci -q set "dhcp.${cfg}.doh_backup_noresolv=-1"
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elif [ "$(uci -q get "dhcp.${cfg}.noresolv")" != "1" ]; then
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uci -q set "dhcp.${cfg}.noresolv=1"
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uci -q set "dhcp.${cfg}.doh_backup_noresolv=0"
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fi
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fi
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if ! uci -q get "dhcp.${cfg}.doh_backup_server" >/dev/null; then
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for i in $(uci -q get "dhcp.${cfg}.server"); do
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uci -q add_list "dhcp.${cfg}.doh_backup_server=$i"
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if [ "$i" = "${i//127.0.0.1}" ] && [ "$i" = "$(echo "$i" | tr -d /)" ]; then
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uci -q del_list "dhcp.${cfg}.server=$i"
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fi
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done
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fi
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}
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dnsmasq_restore_server_backup() {
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local cfg="$1"
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local i
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uci -q get "dhcp.${cfg}" >/dev/null || return 0
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if uci -q get "dhcp.${cfg}.doh_backup_noresolv" >/dev/null; then
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if [ "$(uci -q get "dhcp.${cfg}.doh_backup_noresolv")" = "0" ]; then
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uci -q set "dhcp.${cfg}.noresolv=0"
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else
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uci -q del "dhcp.${cfg}.noresolv"
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fi
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uci -q del "dhcp.${cfg}.doh_backup_noresolv"
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fi
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if uci -q get "dhcp.${cfg}.doh_backup_server" >/dev/null; then
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uci -q del "dhcp.${cfg}.server"
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for i in $(uci -q get "dhcp.${cfg}.doh_backup_server"); do
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uci -q add_list "dhcp.${cfg}.server=$i"
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done
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uci -q del "dhcp.${cfg}.doh_backup_server"
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fi
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}
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dhcp_backup() {
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local i
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config_load 'dhcp'
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case "$1" in
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create)
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if [ "$dnsmasqConfig" = "*" ]; then
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config_foreach dnsmasq_create_server_backup 'dnsmasq'
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elif [ -n "$dnsmasqConfig" ]; then
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for i in $dnsmasqConfig; do
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dnsmasq_create_server_backup "@dnsmasq[${i}]"
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done
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fi
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;;
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restore)
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config_foreach dnsmasq_restore_server_backup 'dnsmasq'
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;;
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esac
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}
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