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214 lines
6.7 KiB
214 lines
6.7 KiB
#!/bin/sh /etc/rc.common
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USE_PROCD=1
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START=50
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STOP=51
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PROG="/usr/sbin/stubby"
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stubby="/usr/sbin/stubby"
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stubby_init="/etc/init.d/stubby"
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stubby_config_dir="/var/etc/stubby"
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stubby_config="$stubby_config_dir/stubby.yml"
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stubby_pid_file="/var/run/stubby.pid"
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stubby_manual_config="/etc/stubby/stubby.yml"
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boot()
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{
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stubby_boot=1
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rc_procd start_service
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}
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generate_config()
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{
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local config_file="$1"
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local round_robin
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local tls_authentication
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local tls_query_padding_blocksize
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local edns_client_subnet_private
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local idle_timeout
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local appdata_dir
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local tls_connection_retries
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local tls_backoff_time
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local timeout
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local dnssec_return_status
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local dnssec_trust_anchors
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local listen_addresses_section=0
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local dns_transport_list_section=0
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local upstream_recursive_servers_section=0
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local stubby_args
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local command_line_arguments
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local log_level
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# Generate configuration. See: https://github.com/getdnsapi/stubby/blob/develop/stubby.yml.example
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echo "# Autogenerated configuration from uci data" > "$config_file"
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echo "resolution_type: GETDNS_RESOLUTION_STUB" >> "$config_file"
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config_get round_robin "global" round_robin_upstreams "1"
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echo "round_robin_upstreams: $round_robin" >> "$config_file"
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config_get appdata_dir "global" appdata_dir "/var/lib/stubby"
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echo "appdata_dir: \"$appdata_dir\"" >> "$config_file"
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config_get tls_connection_retries "global" tls_connection_retries ""
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if [ -n "$tls_connection_retries" ]; then
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echo "tls_connection_retries: $tls_connection_retries" >> "$config_file"
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fi
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config_get tls_backoff_time "global" tls_backoff_time ""
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if [ -n "$tls_backoff_time" ]; then
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echo "tls_backoff_time: $tls_backoff_time" >> "$config_file"
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fi
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config_get timeout "global" timeout ""
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if [ -n "$timeout" ]; then
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echo "timeout: $timeout" >> "$config_file"
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fi
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config_get_bool tls_authentication "global" tls_authentication "1"
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if [ "$tls_authentication" = "1" ]; then
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echo "tls_authentication: GETDNS_AUTHENTICATION_REQUIRED" >> "$config_file"
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else
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echo "tls_authentication: GETDNS_AUTHENTICATION_NONE" >> "$config_file"
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fi
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config_get_bool dnssec_return_status "global" dnssec_return_status "0"
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if [ "$dnssec_return_status" = "1" ]; then
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echo "dnssec_return_status: GETDNS_EXTENSION_TRUE" >> "$config_file"
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fi
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config_get dnssec_trust_anchors "global" dnssec_trust_anchors ""
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if [ -n "$dnssec_trust_anchors" ]; then
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echo "dnssec_trust_anchors: \"$dnssec_trust_anchors\"" >> "$config_file"
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fi
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config_get tls_query_padding_blocksize "global" tls_query_padding_blocksize "128"
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echo "tls_query_padding_blocksize: $tls_query_padding_blocksize" >> "$config_file"
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config_get_bool edns_client_subnet_private "global" edns_client_subnet_private "1"
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echo "edns_client_subnet_private: $edns_client_subnet_private" >> "$config_file"
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config_get idle_timeout "global" idle_timeout "10000"
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echo "idle_timeout: $idle_timeout" >> "$config_file"
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handle_listen_address_value()
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{
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local value="$1"
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if [ "$listen_addresses_section" = 0 ]; then
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echo "listen_addresses:" >> "$config_file"
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listen_addresses_section=1
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fi
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echo " - $value" >> "$config_file"
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}
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config_list_foreach "global" listen_address handle_listen_address_value
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handle_dns_transport_list_value()
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{
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local value="$1"
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if [ "$dns_transport_list_section" = 0 ]; then
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echo "dns_transport_list:" >> "$config_file"
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dns_transport_list_section=1
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fi
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echo " - $value" >> "$config_file"
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}
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config_list_foreach "global" dns_transport handle_dns_transport_list_value
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handle_resolver()
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{
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local config=$1
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local address
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local tls_auth_name
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local spki
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local tls_pubkey_pinset_section=0
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if [ "$upstream_recursive_servers_section" = 0 ]; then
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echo "upstream_recursive_servers:" >> "$config_file"
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upstream_recursive_servers_section=1
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fi
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config_get address "$config" address
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config_get tls_auth_name "$config" tls_auth_name
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echo " - address_data: $address" >> "$config_file"
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echo " tls_auth_name: \"$tls_auth_name\"" >> "$config_file"
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handle_resolver_spki()
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{
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local val="$1"
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local digest="${val%/*}"
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local value="${val#*/}"
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if [ "$tls_pubkey_pinset_section" = 0 ]; then
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echo " tls_pubkey_pinset:" >> "$config_file"
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tls_pubkey_pinset_section=1
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fi
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echo " - digest: \"$digest\"" >> "$config_file"
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echo " value: $value" >> "$config_file"
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}
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config_list_foreach "$config" spki handle_resolver_spki
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}
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config_foreach handle_resolver resolver
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}
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start_service() {
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local config_file_tmp
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local manual
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local log_level
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local command_line_arguments
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mkdir -p "$stubby_config_dir"
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config_load "stubby"
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config_get_bool manual "global" manual "0"
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if [ "$manual" = "1" ]; then
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cp "$stubby_manual_config" "$stubby_config"
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else
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config_file_tmp="$stubby_config.$$"
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generate_config "$config_file_tmp"
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mv "$config_file_tmp" "$stubby_config"
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fi
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config_get command_line_arguments "global" command_line_arguments ""
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config_get log_level "global" log_level ""
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if [ $("${stubby_init}" enabled; printf "%u" ${?}) -eq 0 ]; then
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if [ -n "${stubby_boot}" ]; then
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local trigger="$(uci_get stubby global trigger)"
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if [ "${trigger}" != "timed" ]; then
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return 0
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fi
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fi
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procd_open_instance "stubby"
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procd_set_param command "$stubby" -C "$stubby_config"
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if [ -n "$log_level" ]; then
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procd_append_param command -v "$log_level"
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fi
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if [ -n "$command_line_arguments" ]; then
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procd_append_param command "$command_line_arguments"
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fi
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procd_set_param respawn ${respawn_threshold:-3600} ${respawn_timeout:-5} ${respawn_retry:-5}
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procd_set_param file "$stubby_config"
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procd_set_param stdout 1
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procd_set_param stderr 1
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procd_set_param pidfile "$stubby_pid_file"
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procd_set_param user stubby
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procd_close_instance
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fi
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}
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service_triggers()
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{
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local trigger="$(uci_get stubby global trigger)"
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local delay="$(uci_get stubby global triggerdelay "2")"
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if [ "${trigger}" != "none" ] && [ "${trigger}" != "timed" ]; then
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PROCD_RELOAD_DELAY=$((${delay:-2} * 1000))
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procd_add_interface_trigger "interface.*.up" "${trigger}" "${stubby_init}" start
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fi
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procd_add_reload_trigger "stubby"
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}
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