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#!/bin/sh /etc/rc.common
# Copyright (C) 2016-2017 Hsing-wang Liao <kuoruan@gmail.com>
# Licensed to the public under the Apache License 2.0.
START=99
USE_PROCD=1
NAME=aria2
PROG=/usr/bin/aria2c
_info() {
logger -p daemon.info -t "$NAME" "$*"
}
_err() {
logger -p daemon.err -t "$NAME" "$*"
}
_make_dir() {
local d
for d in "$@"; do
if [ ! -d "$d" ]; then
mkdir -p "$d" 2>/dev/null || return 1
fi
done
return 0
}
_create_file() {
touch "$@" 2>/dev/null
}
_change_owner() {
local u="$1"; shift
local d
for d in "$@"; do
if [ -f "$d" ]; then
chown "$u" "$d" 2>/dev/null || return 1
elif [ -d "$d" ]; then
chown -R "$u" "$d" 2>/dev/null || return 1
fi
done
return 0
}
_change_file_mode() {
local mod="$1"; shift
chmod "$mod" "$@" 2>/dev/null
}
_reset_dir_mode() {
local d
for d in "$@"; do
if [ -d "$d" ]; then
find "$d" -type d -exec chmod 755 {} \; 2>/dev/null
find "$d" -type f -exec chmod 644 {} \; 2>/dev/null
fi
done
}
append_options() {
local o; local v
for o in "$@"; do
v="$(eval echo "\$$o")"
[ -n "$v" ] && \
echo "${o//_/-}=$v" >>"$config_file_tmp"
done
}
append_setting() {
local s="$1"
[ -n "$s" ] && \
echo "$s" >>"$config_file_tmp"
}
append_header() {
local h="$1"
[ -n "$h" ] && \
echo "header=\"$h\"" >>"$config_file_tmp"
}
aria2_validate() {
uci_load_validate "$NAME" aria2 "$1" "$2" \
'enabled:bool:0' \
'enable_logging:bool' \
'enable_proxy:bool' \
'config_dir:string:/var/etc/aria2' \
'user:string' \
'all_proxy:string' \
'all_proxy_passwd:string' \
'all_proxy_user:string' \
'auto_save_interval:range(0,600)' \
'bt_enable_lpd:or("true","false")' \
'bt_detach_seed_only:or("true","false")' \
'bt_load_saved_metadata:or("true","false")' \
'bt_prioritize_piece:string' \
'bt_max_open_files:uinteger' \
'bt_max_peers:uinteger' \
'bt_remove_unselected_file:or("true","false")' \
'bt_request_peer_speed_limit:string' \
'bt_save_metadata:or("true","false")' \
'bt_seed_unverified:or("true","false")' \
'bt_stop_timeout:uinteger' \
'bt_tracker:list(string)' \
'ca_certificate:file' \
'certificate:file' \
'check_certificate:or("true","false"):true' \
'check_integrity:or("true","false")' \
'connect_timeout:uinteger' \
'dht_listen_port:string' \
'dir:string' \
'disable_ipv6:or("true","false")' \
'disk_cache:string' \
'enable_dht:or("true","false"):true' \
'enable_dht6:or("true","false")' \
'enable_peer_exchange:or("true","false")' \
'event_poll:or("epoll","kqueue","port","poll","select")' \
'file_allocation:or("none","prealloc","trunc","falloc")' \
'follow_torrent:or("true","false","mem")' \
'force_save:or("true","false")' \
'http_accept_gzip:or("true","false")' \
'http_no_cache:or("true","false")' \
'listen_port:string' \
'log:string' \
'log_level:or("debug","info","notice","warn","error")' \
'lowest_speed_limit:string' \
'max_concurrent_downloads:uinteger' \
'max_connection_per_server:uinteger' \
'max_download_limit:string' \
'max_overall_download_limit:string' \
'max_overall_upload_limit:string' \
'max_tries:uinteger' \
'max_upload_limit:string' \
'min_split_size:string' \
'pause:or("true","false")' \
'pause_metadata:or("true","false")' \
'peer_id_prefix:string' \
'private_key:file' \
'retry_wait:uinteger' \
'rpc_auth_method:or("none","user_pass","token")' \
'rpc_certificate:file' \
'rpc_listen_port:range(1024,65535)' \
'rpc_passwd:string' \
'rpc_private_key:file' \
'rpc_secret:string' \
'rpc_secure:or("true","false")' \
'rpc_user:string' \
'save_session_interval:uinteger' \
'seed_ratio:ufloat' \
'seed_time:ufloat' \
'split:uinteger' \
'timeout:uinteger' \
'user_agent:string'
}
aria2_start() {
local section="$1"
[ "$2" = "0" ] || { _err "Validation failed."; return 1; }
[ "$enabled" = "1" ] || { _info "Instance \"$section\" disabled."; return 1; }
[ -n "$dir" ] || { _err "Please set download dir."; return 1; }
[ -d "$dir" ] || { _err "Please create download dir first."; return 1; }
config_file="$config_dir/$NAME.conf.$section"
config_file_tmp="$config_dir/$NAME.conf.tmp"
session_file="$config_dir/$NAME.session.$section"
_make_dir "$config_dir" || {
_err "Can't create config dir: $config_dir"
return 1
}
_create_file "$session_file" "$config_file" "$config_file_tmp" || {
_err "Can't create files: $session_file, $config_file, $config_file_tmp"
return 1
}
# create tmp file
cat >"$config_file_tmp" <<-EOF
# Auto generated file, changes to this file will be lost.
EOF
append_setting "dir=$dir"
append_setting "enable-rpc=true"
append_setting "rpc-allow-origin-all=true"
append_setting "rpc-listen-all=true"
append_setting "quiet=true"
append_setting "continue=true"
append_setting "input-file=$session_file"
append_setting "save-session=$session_file"
if [ -z "$enable_logging" ]; then
append_options "log" "log_level"
elif [ "$enable_logging" = "1" ]; then
log=${log:-"/var/log/aria2.log"}
local log_dir
log_dir="$(dirname "$log")"
_make_dir "$log_dir" || {
_err "Can't create log dir: $log_dir"
return 1
}
# create or clear log file
echo >"$log"
append_setting "log=$log"
append_options "log_level"
fi
if [ -z "$enable_proxy" ] || [ "$enable_proxy" = "1" ]; then
append_options "all_proxy" "all_proxy_user" "all_proxy_passwd"
fi
unset_auth_method() {
uci -q batch <<-EOF
set $NAME.$section.rpc_auth_method=""
commit $NAME
EOF
}
if [ -z "$rpc_auth_method" ]; then
if [ -n "$rpc_secret" ]; then
append_setting "rpc-secret=$rpc_secret"
elif [ -n "$rpc_user" ]; then
append_setting "rpc-user=$rpc_user"
append_setting "rpc-passwd=$rpc_passwd"
else
_info "It is recommended to set RPC secret."
fi
elif [ "$rpc_auth_method" = "token" ]; then
if [ -n "$rpc_secret" ]; then
append_setting "rpc-secret=$rpc_secret"
else
unset_auth_method
fi
elif [ "$rpc_auth_method" = "user_pass" ]; then
if [ -n "$rpc_user" ]; then
append_setting "rpc-user=$rpc_user"
append_setting "rpc-passwd=$rpc_passwd"
else
_info "Please set RPC user."
unset_auth_method
fi
fi
if [ ."$rpc_secure" = ."true" ] && [ -n "$rpc_certificate" ]; then
append_setting "rpc-secure=true"
append_options "rpc_certificate" "rpc_private_key"
fi
if [ ."$check_certificate" = ."true" ]; then
append_setting "check-certificate=true"
append_options "ca_certificate"
elif [ ."$check_certificate" = ."false" ]; then
append_setting "check-certificate=false"
fi
if [ ."$enable_dht" = ."true" ]; then
dht_file="$config_dir/dht.dat.$section"
_create_file "$dht_file" || {
_err "Can't create DHT file: $dht_file"
return 1
}
append_setting "enable-dht=true"
append_setting "dht-file-path=$dht_file"
fi
if [ ."$enable_dht6" = ."true" ] && [ ."$disable_ipv6" != ."true" ]; then
dht6_file="$config_dir/dht6.dat.$section"
_create_file "$dht6_file" || {
_err "Can't create DHT6 file: $dht6_file"
return 1
}
append_setting "enable-dht6=true"
append_setting "dht-file-path6=$dht6_file"
fi
if [ -n "$bt_tracker" ]; then
local bt_tracker_list; local t
for t in $bt_tracker; do
if [ -z "$bt_tracker_list" ]; then
bt_tracker_list="$t"
else
bt_tracker_list="$bt_tracker_list,$t"
fi
done
append_setting "bt-tracker=$bt_tracker_list"
fi
append_options "auto_save_interval" "bt_enable_lpd" "bt_max_open_files" "bt_max_peers" \
"bt_remove_unselected_file" "bt_request_peer_speed_limit" "bt_prioritize_piece" \
"bt_stop_timeout" "bt_detach_seed_only" "bt_save_metadata" "bt_load_saved_metadata" \
"bt_seed_unverified" "certificate" "check_integrity" "connect_timeout" "dht_listen_port" \
"disable_ipv6" "disk_cache" "enable_peer_exchange" "event_poll" "file_allocation" \
"follow_torrent" "force_save" "http_accept_gzip" "http_no_cache" "listen_port" \
"lowest_speed_limit" "max_concurrent_downloads" "max_connection_per_server" \
"max_download_limit" "max_overall_download_limit" "max_overall_upload_limit" "max_tries" \
"max_upload_limit" "min_split_size" "pause" "pause_metadata" "peer_id_prefix" "private_key" \
"retry_wait" "rpc_listen_port" "save_session_interval" "seed_ratio" "seed_time" "split" "timeout" \
"user_agent"
config_list_foreach "$section" "header" append_header
config_list_foreach "$section" "extra_settings" append_setting
sed '/^$/d' "$config_file_tmp" >"$config_file"
rm -f "$config_file_tmp"
_reset_dir_mode "$config_dir"
_change_file_mode 600 "$config_file"
if [ -n "$user" ]; then
if ( user_exists "$user" && _change_owner "$user" "$config_dir" "$log" ); then
_info "Aria2 will run with user '$user'."
if [ "$user" != "root" ]; then
_info "Please make sure user '$user' has write access to download dir: $dir"
fi
else
_info "Setting run user to '$user' failed, default user will be used."
user=
fi
fi
procd_open_instance "$NAME.$section"
procd_set_param command "$PROG"
procd_append_param command --conf-path="$config_file"
procd_set_param respawn
procd_set_param stdout 1
procd_set_param stderr 1
procd_set_param file "$config_file"
[ -n "$user" ] && \
procd_set_param user "$user"
procd_add_jail "$NAME.$section" log
procd_add_jail_mount "$config_file"
procd_add_jail_mount_rw "$dir" "$config_dir" "$log"
procd_close_instance
}
service_triggers() {
procd_add_reload_trigger "$NAME"
procd_add_validation aria2_validate
}
start_service() {
config_load "$NAME"
config_foreach aria2_validate "aria2" aria2_start
}