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op-packages/luci-app-devgate/root/usr/bin/devgatectrl
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#!/bin/sh
NAME=devgate
LOG_FILE="/var/log/devgate.log"
DEBUG=1
IDLIST="/var/$NAME.idlist"
RELOAD_FLAG="/var/$NAME.reload"
FIREWALL_DIRTY=0
NO_ENABLED_CLEARED=0
# 日志函数
dbg() {
[ "$DEBUG" -eq 1 ] && {
local d="$(date '+%Y-%m-%d %H:%M:%S')"
echo "[$d] CTRL-DEBUG: $@" >> "$LOG_FILE"
}
}
info() {
local d="$(date '+%Y-%m-%d %H:%M:%S')"
echo "[$d] CTRL-INFO: $@" >> "$LOG_FILE"
}
# 配置文件读取
config_t_get() {
local index=${3:-0}
local ret=$(uci -q get "${NAME}.@${1}[${index}].${2}")
echo "${ret:=${4}}"
}
normalize_mac() {
local mac
mac=$(echo "${1:-}" | xargs | tr 'A-F' 'a-f')
if echo "$mac" | grep -qE '^([0-9a-f]{2}:){5}[0-9a-f]{2}$'; then
echo "$mac"
return 0
fi
return 1
}
# 获取启用设备
get_enabled_devices() {
uci show "$NAME" 2>/dev/null | sed -n "s/^${NAME}\.@device\[\([0-9][0-9]*\)\]\.enable='1'.*/\1/p" | sort -n
}
get_enabled_device_count() {
get_enabled_devices | wc -l
}
is_enabled_device() {
local id="$1"
get_enabled_devices | grep -qx "$id"
}
get_device_uid() {
local id="$1"
local uid
uid="$(devgate uid "$id" 2>/dev/null)" || return 1
printf '%s\n' "$uid"
}
firewall_rule_section() {
local uid="$1"
echo "devgate_$uid"
}
firewall_rule_exists() {
local uid="$1"
[ -n "$uid" ] && uci -q show "firewall.$(firewall_rule_section "$uid")" >/dev/null 2>&1
}
get_firewall_rule_enabled() {
local uid="$1"
local value
value="$(uci -q get "firewall.$(firewall_rule_section "$uid").enabled")"
echo "${value:-0}"
}
remember_managed_uid() {
local uid="$1"
[ -n "$uid" ] || return 0
mkdir -p "$(dirname "$IDLIST")" 2>/dev/null
touch "$IDLIST" 2>/dev/null || return 1
if ! grep -q "!$uid!" "$IDLIST" 2>/dev/null; then
echo "!$uid!" >> "$IDLIST"
fi
sort -u "$IDLIST" -o "$IDLIST" 2>/dev/null || true
}
forget_managed_uid() {
local uid="$1"
[ -n "$uid" ] || return 0
sed -i "/!$uid!/d" "$IDLIST" 2>/dev/null
}
is_managed_uid() {
local uid="$1"
[ -f "$IDLIST" ] && grep -q "!${uid}!" "$IDLIST" 2>/dev/null
}
disable_device_rule() {
local id="$1"
local uid="$2"
local target=$(config_t_get device mac "$id")
local comment=$(config_t_get device comment "$id" "设备$id")
info "停用DevGate规则: $comment ($target, uid=$uid)"
uci -q set "${NAME}.@device[$id].enable=0" || return 1
uci -q commit "$NAME" || return 1
forget_managed_uid "$uid"
return 0
}
disable_device_without_mac() {
local id="$1"
local uid="$2"
local target=$(config_t_get device mac "$id")
local comment=$(config_t_get device comment "$id" "设备$id")
info "目标设备为空或无效,强制未启用: $comment ($target, uid=$uid)"
run_devgate_change del "$uid"
disable_device_rule "$id" "$uid"
}
is_enabled_uid() {
local uid="$1"
local id
for id in $(get_enabled_devices); do
[ "$(get_device_uid "$id")" = "$uid" ] && return 0
done
return 1
}
run_devgate_change() {
local rc
DEVGATE_DEFER_FIREWALL_RELOAD=1 devgate "$@"
rc=$?
[ "$rc" -eq 0 ] && FIREWALL_DIRTY=1
return "$rc"
}
flush_firewall_changes() {
[ "$FIREWALL_DIRTY" -eq 1 ] || return 0
if devgate reload; then
FIREWALL_DIRTY=0
return 0
fi
info "firewall重载失败"
return 1
}
# 时间检查函数
time_to_minutes() {
local value="$1"
local hour="${value%:*}"
local minute="${value#*:}"
hour="$(echo "$hour" | sed 's/^0*//')"
minute="$(echo "$minute" | sed 's/^0*//')"
[ -n "$hour" ] || hour=0
[ -n "$minute" ] || minute=0
echo $((hour * 60 + minute))
}
is_time_value() {
local value="${1:-}"
local hour="${value%:*}"
local minute="${value#*:}"
[ "$hour:$minute" = "$value" ] || return 1
echo "$hour" | grep -qE '^[0-9]{1,2}$' || return 1
echo "$minute" | grep -qE '^[0-9]{1,2}$' || return 1
hour="$(echo "$hour" | sed 's/^0*//')"
minute="$(echo "$minute" | sed 's/^0*//')"
[ -n "$hour" ] || hour=0
[ -n "$minute" ] || minute=0
[ "$hour" -ge 0 ] && [ "$hour" -le 24 ] || return 1
[ "$minute" -ge 0 ] && [ "$minute" -le 59 ] || return 1
[ "$hour" -lt 24 ] || [ "$minute" -eq 0 ]
}
is_time_in_range() {
local start_time=$1
local end_time=$2
local current_time=$(date +%H:%M)
local start_min
local end_min
local current_min
start_min=$(time_to_minutes "$start_time")
end_min=$(time_to_minutes "$end_time")
current_min=$(time_to_minutes "$current_time")
if [ "$start_min" -eq "$end_min" ]; then
return 0
elif [ "$start_min" -lt "$end_min" ]; then
[ "$current_min" -ge "$start_min" ] && [ "$current_min" -lt "$end_min" ] && return 0
else
[ "$current_min" -ge "$start_min" ] || [ "$current_min" -lt "$end_min" ] && return 0
fi
return 1
}
is_time_ranges_active() {
local time_ranges="${1:-00:00-00:00}"
local range
local start_time
local end_time
for range in $(printf '%s' "$time_ranges" | sed 's/,/ /g'); do
range=$(echo "$range" | xargs)
[ -n "$range" ] || continue
start_time="${range%-*}"
end_time="${range#*-}"
if [ "$start_time" = "$range" ] || [ "$end_time" = "$range" ]; then
dbg "跳过无效禁用时段: $range"
continue
fi
if ! is_time_value "$start_time" || ! is_time_value "$end_time"; then
dbg "跳过无效禁用时段: $range"
continue
fi
is_time_in_range "$start_time" "$end_time" && return 0
done
return 1
}
is_weekday_in_range() {
local configured_weekdays=$1
local current_weekday=$(date +%u)
[ "$configured_weekdays" = "0" ] && return 0
for ww in $(echo "$configured_weekdays" | sed 's/,/ /g'); do
[ "$current_weekday" = "$ww" ] && return 0
done
return 1
}
# 主检查函数
check_device_control() {
local id="$1"
local target=$(config_t_get device mac "$id")
local weekdays=$(config_t_get device week "$id" "0")
local time_ranges="$(config_t_get device time_ranges "$id" "00:00-00:00")"
is_weekday_in_range "$weekdays" || {
dbg "生效日期外: $target"
return 0
}
if is_time_ranges_active "$time_ranges"; then
dbg "禁用时段内: $target ($time_ranges)"
return 1
fi
dbg "禁用时段外: $target ($time_ranges)"
return 0
}
# 同步设备状态
sync_device_status() {
local id="$1"
local force_refresh="${2:-0}"
local uid
local target=$(config_t_get device mac "$id")
local comment=$(config_t_get device comment "$id" "设备$id")
local mac
local should_block=0
local firewall_exists=0
local firewall_enabled
uid="$(get_device_uid "$id")" || {
info "规则唯一识别码缺失,停用DevGate规则: 设备$id"
uci -q set "${NAME}.@device[$id].enable=0" || return 1
uci -q commit "$NAME" || return 1
return 1
}
mac="$(normalize_mac "$target")" || {
disable_device_without_mac "$id" "$uid"
return 0
}
if firewall_rule_exists "$uid"; then
firewall_exists=1
elif is_managed_uid "$uid"; then
disable_device_rule "$id" "$uid"
return 0
fi
if ! check_device_control "$id"; then
should_block=1
fi
dbg "设备状态: $mac, uid=$uid, 防火墙规则存在=$firewall_exists, 应阻止=$should_block"
if [ "$firewall_exists" -eq 0 ]; then
dbg "创建托管防火墙规则: $target enabled=$should_block"
if run_devgate_change add "$id" "$should_block"; then
remember_managed_uid "$uid"
if [ "$should_block" -eq 1 ]; then
info "阻止上网: $comment ($target)"
else
info "规则待命: $comment ($target)"
fi
else
info "创建防火墙规则失败: $comment ($target)"
fi
return 0
fi
firewall_enabled="$(get_firewall_rule_enabled "$uid")"
if [ "$firewall_enabled" != "$should_block" ] || [ "$force_refresh" -eq 1 ]; then
if [ "$should_block" -eq 1 ]; then
dbg "启用防火墙阻止: $target"
else
dbg "停用防火墙阻止: $target"
fi
run_devgate_change add "$id" "$should_block"
fi
remember_managed_uid "$uid"
if [ "$should_block" -eq 1 ]; then
info "阻止上网: $comment ($target)"
else
info "允许上网: $comment ($target)"
fi
}
sync_removed_devices() {
local ids id tmp
[ -f "$IDLIST" ] || return 0
tmp="${IDLIST}.$$"
: > "$tmp"
ids=$(sed -n 's/^!\([A-Za-z0-9][A-Za-z0-9]*\)!$/\1/p' "$IDLIST" 2>/dev/null | sort | uniq)
for id in $ids; do
if is_enabled_uid "$id"; then
echo "!$id!" >> "$tmp"
else
dbg "清理已删除设备规则: $id"
run_devgate_change del "$id"
forget_managed_uid "$id"
info "移除已删除规则: $id"
fi
done
mv "$tmp" "$IDLIST"
}
wait_next_check() {
local seconds="${1:-10}"
while [ "$seconds" -gt 0 ]; do
[ -f "$RELOAD_FLAG" ] && return 0
sleep 1
seconds=$((seconds - 1))
done
}
# 主处理循环
main_loop() {
info "设备门禁守护进程启动"
run_devgate_change start
while :; do
local force_refresh=0
dbg "开始检查设备"
if [ -f "$RELOAD_FLAG" ]; then
force_refresh=1
rm -f "$RELOAD_FLAG" 2>/dev/null
dbg "检测到配置重载标记"
fi
if [ "$(get_enabled_device_count)" -eq 0 ]; then
if [ "$NO_ENABLED_CLEARED" -eq 0 ]; then
run_devgate_change stop
flush_firewall_changes
NO_ENABLED_CLEARED=1
fi
wait_next_check 10
continue
fi
NO_ENABLED_CLEARED=0
sync_removed_devices
for id in $(get_enabled_devices); do
sync_device_status "$id" "$force_refresh"
done
flush_firewall_changes
wait_next_check 10
done
}
# 启动
main_loop