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158 lines
3.6 KiB
158 lines
3.6 KiB
#!/bin/sh /etc/rc.common
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# Copyright (C) 2016 OpenWrt.org
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START=80
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STOP=20
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USE_PROCD=1
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PROG=/usr/bin/obfsproxy
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append_arg() {
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local cfg="$1"
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local var="$2"
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local opt="$3"
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local def="$4"
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local val
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config_get val "$cfg" "$var"
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[ -n "$val" -o -n "$def" ] && procd_append_param command "$opt" "${val:-$def}"
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}
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append_bool() {
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local cfg="$1"
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local var="$2"
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local opt="$3"
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local def="$4"
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local val
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config_get_bool val "$cfg" "$var" "$def"
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[ "$val" = 1 ] && procd_append_param command "$opt"
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}
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append_plain() {
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procd_append_param command "$1"
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}
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append_param() {
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local cfg="$1"
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local var="$2"
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local opt="$3"
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local def="$4"
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local val
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config_get val "$cfg" "$var"
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[ -n "$val" -o -n "$def" ] && procd_append_param "$opt" "${val:-$def}"
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}
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append_proxy_spec() {
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local cfg="$1"
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local scheme_var="$2"
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local username_var="$3"
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local password_var="$4"
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local host_var="$5"
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local port_var="$6"
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local opt="$7"
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local def="$8"
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local scheme
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local username
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local password
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local host
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local port
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local login
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local val
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config_get scheme "$cfg" "$scheme_var"
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config_get username "$cfg" "$username_var"
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config_get password "$cfg" "$password_var"
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config_get host "$cfg" "$host_var"
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config_get port "$cfg" "$port_var"
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[ "$username" ] && login="$username${password:+:$password}@"
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[ -n "$scheme" -a -n "$host" -a -n "$port" ] && val="$scheme://$login$host:$port"
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[ -n "$val" -o -n "$def" ] && procd_append_param command "$opt" "${val:-$def}"
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}
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append_host_port() {
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local cfg="$1"
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local host_var="$2"
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local port_var="$3"
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local opt="$4"
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local def="$5"
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local host
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local port
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local val
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config_get host "$cfg" "$host_var"
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config_get port "$cfg" "$port_var"
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[ -n "$host" -a -n "$port" ] && val="$host:$port"
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[ -n "$val" -o -n "$def" ] && {
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[ "$opt" ] && procd_append_param command "$opt"
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procd_append_param command "${val:-$def}"
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}
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}
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start_instance() {
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local cfg="$1"
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local lib_dir="/var/lib/obfsproxy/$cfg"
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local redirect=0
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local enabled
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local user
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local transport
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local password
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local log_min_severity
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config_get_bool enabled "$cfg" 'enabled' '0'
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[ "$enabled" = 0 ] && return 1
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config_get user "$cfg" 'user' 'root'
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config_get transport "$cfg" 'transport'
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[ "$transport" = "scramblesuit" ] && config_get password "$cfg" 'password'
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[ -d "$lib_dir" ] || {
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mkdir -m 0755 -p "$lib_dir/data"
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chmod -R 0700 "$lib_dir"
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}
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[ "$password" ] && {
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echo "$password" > "$lib_dir/secret"
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chmod 0600 "$lib_dir/secret"
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}
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chown -R "$user:" "$lib_dir"
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config_get log_min_severity "$cfg" 'log_min_severity'
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[ "$log_min_severity" = "debug" ] && redirect=1
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procd_open_instance
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procd_set_param command "$PROG" --data-dir "$lib_dir/data" --syslog "obfsproxy($cfg)"
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append_arg "$cfg" log_file "--log-file"
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append_arg "$cfg" log_min_severity "--log-min-severity"
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append_bool "$cfg" no_log "--no-log"
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append_bool "$cfg" no_safe_logging "--no-safe-logging"
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append_proxy_spec "$cfg" proxy_scheme proxy_username proxy_password proxy_host proxy_port "--proxy"
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append_param "$cfg" transport command
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[ "$transport" = "obfs2" ] && append_arg "$cfg" password "--shared-secret"
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[ "$password" ] && procd_append_param command "--password-file" "$lib_dir/secret"
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append_param "$cfg" mode command
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append_host_port "$cfg" dest_host dest_port "--dest"
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append_arg "$cfg" ext_cookie_file "--ext-cookie-file"
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append_host_port "$cfg" listen_host listen_port
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procd_set_param respawn
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procd_set_param stdout $redirect
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procd_set_param stderr $redirect
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append_param "$cfg" user user
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procd_close_instance
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}
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service_triggers() {
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procd_add_reload_trigger obfsproxy
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}
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start_service() {
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config_load obfsproxy
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config_foreach start_instance obfsproxy
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}
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