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170 lines
4.3 KiB
170 lines
4.3 KiB
#!/bin/sh /etc/rc.common
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#
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# Copyright (C) 2019 Chao Liu <expiron18@gmail.com>
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#
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# This is free software, licensed under the GNU General Public License v3.
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# See /LICENSE for more information.
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#
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USE_PROCD=1
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START=99
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confdir=/var/etc/kcptun
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bindir=/usr/bin
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mkjson_server_conf() {
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[ "$disabled" = 0 ] || return 1
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[ -n "$listen" ] || return 1
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[ -n "$target" ] || return 1
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[ -n "$target_port" ] || return 1
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json_add_string listen ":$listen"
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json_add_string target "$target:$target_port"
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json_add_boolean pprof "$pprof"
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}
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mkjson_client_conf() {
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[ "$disabled" = 0 ] || return 1
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[ -n "$local_port" ] || return 1
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[ -n "$server" ] || return 1
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[ -n "$server_port" ] || return 1
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json_add_string localaddr "$bind_address:$local_port"
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json_add_string remoteaddr "$server:$server_port"
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[ -z "$conn" ] || json_add_int conn "$conn"
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[ -z "$autoexpire" ] || json_add_int autoexpire "$autoexpire"
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[ -z "$scavengettl" ] || json_add_int scavengettl "$scavengettl"
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}
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kcptun() {
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local cfg="$1"
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local cfgtype="$2"
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local bin="$bindir/kcptun-$cfgtype"
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local confjson="$confdir/$cfgtype.$cfg.json"
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[ -x "$bin" ] || return
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eval "$("validate_${cfgtype}_section" "$cfg" validate_mklocal)"
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"validate_${cfgtype}_section" "$cfg" || return
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[ "$disabled" = 0 ] || return
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json_init
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mkjson_${cfgtype}_conf || return
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[ -z "$crypt" ] || json_add_string crypt "$crypt"
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[ -z "$key" ] || json_add_string key "$key"
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[ -z "$mode" ] || json_add_string mode "$mode"
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[ -z "$mtu" ] || json_add_int mtu "$mtu"
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[ -z "$sndwnd" ] || json_add_int sndwnd "$sndwnd"
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[ -z "$rcvwnd" ] || json_add_int rcvwnd "$rcvwnd"
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[ -z "$datashard" ] || json_add_int datashard "$datashard"
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[ -z "$parityshard" ] || json_add_int parityshard "$parityshard"
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[ -z "$dscp" ] || json_add_int dscp "$dscp"
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json_add_boolean nocomp "$nocomp"
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[ -z "$sockbuf" ] || json_add_int sockbuf "$sockbuf"
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[ -z "$smuxbuf" ] || json_add_int smuxbuf "$smuxbuf"
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[ -z "$keepalive" ] || json_add_int keepalive "$keepalive"
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[ -z "$snmplog" ] || json_add_string snmplog "$snmplog"
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[ -z "$snmpperiod" ] || json_add_int snmpperiod "$snmpperiod"
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json_add_boolean quiet "$quiet"
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json_dump -i > "$confjson"
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procd_open_instance "$cfgtype.$cfg"
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procd_set_param command "$bin" -c "$confjson"
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[ -z "$gogc" ] || procd_set_param env GOGC="$gogc"
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[ -z "$syslog" ] || procd_set_param stderr 1
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[ -z "$user" ] || procd_set_param user "$user"
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procd_set_param file "$confjson"
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procd_set_param respawn
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procd_close_instance
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}
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start_service() {
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local cfgtype
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mkdir -p "$confdir"
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config_load kcptun
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for cfgtype in server client; do
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config_foreach kcptun "$cfgtype" "$cfgtype"
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done
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}
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stop_service() {
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rm -rf "$confdir"
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}
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service_triggers() {
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procd_add_reload_interface_trigger wan
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procd_add_reload_trigger kcptun
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procd_open_validate
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validate_server_section
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validate_client_section
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procd_close_validate
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}
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validate_mklocal() {
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local tuple opts
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shift 2
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for tuple in "$@"; do
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opts="${tuple%%:*} $opts"
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done
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[ -z "$opts" ] || echo "local $opts"
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}
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validate() {
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uci_validate_section kcptun "$@"
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}
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validate_common_options() {
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local cfgtype="$1"; shift
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local cfg="$1"; shift
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local func="$1"; shift
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local crypt_methods='"aes", "aes-128", "aes-192", "salsa20", "blowfish", "twofish", "cast5", "3des", "tea", "xtea", "xor", "sm4", "none"'
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local mode_profiles='"fast3", "fast2", "fast", "normal", "manual"'
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"${func:-validate}" "$cfgtype" "$cfg" "$@" \
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'disabled:bool:0' \
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'key:string' \
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"crypt:or($crypt_methods)" \
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"mode:or($mode_profiles)" \
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'mtu:uinteger' \
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'sndwnd:uinteger' \
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'rcvwnd:uinteger' \
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'datashard:uinteger' \
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'parityshard:uinteger' \
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'dscp:uinteger' \
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'nocomp:bool' \
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'sockbuf:uinteger' \
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'smuxbuf:uinteger' \
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'keepalive:uinteger' \
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'snmplog:string' \
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'snmpperiod:uinteger' \
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'quiet:bool' \
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'gogc:uinteger' \
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'syslog:bool:1' \
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'user:string:nobody'
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}
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validate_server_options() {
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validate_common_options server "$@" \
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'listen:port' \
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'target:host' \
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'target_port:port' \
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'pprof:bool'
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}
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validate_client_options() {
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validate_common_options client "$@" \
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'bind_address:ipaddr' \
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'local_port:port' \
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'server:host' \
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'server_port:port' \
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'conn:uinteger' \
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'autoexpire:uinteger' \
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'scavengettl:uinteger'
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}
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validate_server_section() {
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validate_server_options "$1" "$2"
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}
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validate_client_section() {
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validate_client_options "$1" "$2"
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}
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