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op-packages/luci-app-devgate/root/usr/bin/devgate
T

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#!/bin/sh
crrun=$1
crid=$2
crstate=${3:-1}
NAME=devgate
DEBUG=1 # 开启调试
LOG_FILE="/var/log/devgate.log"
IDLIST="/var/$NAME.idlist"
RULE_PREFIX="devgate_"
DEFAULT_SRC_ZONE="lan"
PUBLIC_DEST_ZONE="wan"
INTERNAL_DEST_ZONE="*"
bin_fw4=$(command -v fw4 2>/dev/null)
config_t_get() {
local index=${3:-0}
local ret=$(uci -q get "${NAME}.@${1}[${index}].${2}")
echo "${ret:-$4}"
}
normalize_rule_uid() {
local uid
uid=$(printf '%s' "${1:-}" | tr 'A-F' 'a-f' | sed 's/[^a-z0-9]//g' | cut -c1-6)
if echo "$uid" | grep -qE '^[a-z0-9]{6}$'; then
echo "$uid"
return 0
fi
return 1
}
get_rule_uid() {
local id="$1"
local uid
uid="$(normalize_rule_uid "$(config_t_get device uid "$id")")" || uid=""
[ -n "$uid" ] || return 1
echo "$uid"
}
resolve_rule_ref() {
local ref="$1"
local uid
if echo "$ref" | grep -qE '^[0-9]+$' && uci -q show "${NAME}.@device[$ref]" >/dev/null 2>&1; then
get_rule_uid "$ref"
return $?
fi
normalize_rule_uid "$ref"
}
get_device_mode() {
local id="$1"
local device_mode=$(config_t_get device chain "$id" "forward")
case "$device_mode" in
all|input)
echo "all"
;;
*)
echo "forward"
;;
esac
}
get_forward_dest_zone() {
local device_mode="$1"
case "$device_mode" in
all)
echo "$INTERNAL_DEST_ZONE"
;;
*)
echo "$PUBLIC_DEST_ZONE"
;;
esac
}
normalize_enabled() {
case "${1:-1}" in
1|true|yes|on|enabled)
echo "1"
;;
*)
echo "0"
;;
esac
}
dbg() {
if [ "$DEBUG" -eq 1 ]; then
local d="$(date '+%Y-%m-%d %H:%M:%S')"
echo "[$d] FW-DEBUG: $@" >> "$LOG_FILE"
fi
}
info() {
local d="$(date '+%Y-%m-%d %H:%M:%S')"
echo "[$d] FW-INFO: $@" >> "$LOG_FILE"
}
run_logged() {
local label="$1"
shift
local output rc
output="$("$@" 2>&1)"
rc=$?
[ -n "$output" ] && {
while IFS= read -r line; do
dbg "$label: $line"
done <<-EOF
$output
EOF
}
return "$rc"
}
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
}
rule_section() {
local uid="$1"
echo "${RULE_PREFIX}${uid}"
}
rule_name() {
local uid="$1"
echo "DevGate-$uid"
}
input_rule_name() {
local uid="$1"
echo "DevGate-$uid-Input"
}
check_firewall_tool() {
if ! command -v uci >/dev/null 2>&1; then
info "错误: 未找到uci命令"
return 1
fi
if [ ! -x /etc/init.d/firewall ] && [ ! -x "$bin_fw4" ]; then
info "错误: 未找到firewall4防火墙服务"
return 1
fi
dbg "检测到OpenWrt firewall UCI接口"
[ -x /etc/init.d/firewall ] && dbg "firewall服务: /etc/init.d/firewall"
[ -x "$bin_fw4" ] && dbg "fw4命令: $bin_fw4"
return 0
}
reload_firewall() {
if [ -x /etc/init.d/firewall ]; then
run_logged "firewall reload" /etc/init.d/firewall reload
return $?
fi
run_logged "fw4 reload" "$bin_fw4" reload
}
commit_firewall() {
uci -q commit firewall || {
info "错误: 提交firewall配置失败"
return 1
}
if [ "${DEVGATE_DEFER_FIREWALL_RELOAD:-0}" = "1" ]; then
dbg "延迟firewall重载"
return 0
fi
reload_firewall || {
info "错误: 重载firewall失败"
return 1
}
}
delete_device_firewall_rules() {
local ref="$1"
local uid
uid="$(resolve_rule_ref "$ref")" || uid=""
[ -n "$uid" ] && {
uci -q delete "firewall.$(rule_section "$uid")"
uci -q delete "firewall.$(rule_section "$uid")_forward"
uci -q delete "firewall.$(rule_section "$uid")_input"
}
uci -q delete "firewall.${RULE_PREFIX}${ref}_forward"
uci -q delete "firewall.${RULE_PREFIX}${ref}_input"
}
delete_all_devgate_firewall_rules() {
local section
uci -q show firewall | sed -n "s/^firewall\.\(${RULE_PREFIX}[A-Za-z0-9_]*\)=rule$/\1/p" | while IFS= read -r section; do
[ -n "$section" ] && uci -q delete "firewall.$section"
done
}
set_firewall_option() {
local section="$1"
local option="$2"
local value="$3"
uci -q set "firewall.$section.$option=$value"
}
create_forward_rule() {
local section="$1"
local mac="$2"
local name="$3"
local dest="$4"
local enabled
enabled="$(normalize_enabled "$5")"
uci -q set "firewall.$section=rule" || return 1
set_firewall_option "$section" enabled "$enabled" || return 1
set_firewall_option "$section" name "$name" || return 1
set_firewall_option "$section" src "$DEFAULT_SRC_ZONE" || return 1
set_firewall_option "$section" dest "$dest" || return 1
set_firewall_option "$section" src_mac "$mac" || return 1
set_firewall_option "$section" proto "all" || return 1
set_firewall_option "$section" target "REJECT" || return 1
}
create_input_rule() {
local section="$1"
local mac="$2"
local name="$3"
local enabled
enabled="$(normalize_enabled "$4")"
uci -q set "firewall.$section=rule" || return 1
set_firewall_option "$section" enabled "$enabled" || return 1
set_firewall_option "$section" name "$name" || return 1
set_firewall_option "$section" src "$DEFAULT_SRC_ZONE" || return 1
set_firewall_option "$section" src_mac "$mac" || return 1
set_firewall_option "$section" proto "all" || return 1
set_firewall_option "$section" target "REJECT" || return 1
}
verify_firewall_rule() {
local uid="$1"
local mac="$2"
local device_mode="$3"
local expected_enabled="${4:-}"
local section input_section
local expected_dest
section=$(rule_section "$uid")
input_section="${section}_input"
expected_dest=$(get_forward_dest_zone "$device_mode")
dbg "验证firewall通信规则: UID=$uid MAC=$mac mode=$device_mode dest=$expected_dest"
[ "$(uci -q get "firewall.$section.name")" = "$(rule_name "$uid")" ] || {
dbg "验证失败: 规则名称不是$(rule_name "$uid")"
return 1
}
[ "$(uci -q get "firewall.$section.src_mac")" = "$mac" ] || {
dbg "验证失败: 转发规则不存在或MAC不匹配"
return 1
}
[ "$(uci -q get "firewall.$section.target")" = "REJECT" ] || {
dbg "验证失败: 转发规则目标不是REJECT"
return 1
}
[ "$(uci -q get "firewall.$section.dest")" = "$expected_dest" ] || {
dbg "验证失败: 转发规则目标区域不是$expected_dest"
return 1
}
if [ -n "$expected_enabled" ]; then
[ "$(uci -q get "firewall.$section.enabled")" = "$expected_enabled" ] || {
dbg "验证失败: 转发规则启用状态不是$expected_enabled"
return 1
}
fi
if [ "$device_mode" = "all" ]; then
[ "$(uci -q get "firewall.$input_section.name")" = "$(input_rule_name "$uid")" ] || {
dbg "验证失败: 本机访问规则名称不是$(input_rule_name "$uid")"
return 1
}
[ "$(uci -q get "firewall.$input_section.src_mac")" = "$mac" ] || {
dbg "验证失败: 本机访问规则不存在或MAC不匹配"
return 1
}
[ "$(uci -q get "firewall.$input_section.target")" = "REJECT" ] || {
dbg "验证失败: 本机访问规则目标不是REJECT"
return 1
}
if [ -n "$expected_enabled" ]; then
[ "$(uci -q get "firewall.$input_section.enabled")" = "$expected_enabled" ] || {
dbg "验证失败: 本机访问规则启用状态不是$expected_enabled"
return 1
}
fi
else
! uci -q show "firewall.$input_section" >/dev/null 2>&1 || {
dbg "验证失败: 存在过期本机访问规则"
return 1
}
fi
dbg "验证成功: DevGate通信规则已写入firewall配置"
return 0
}
init_firewall() {
check_firewall_tool || return 1
info "初始化防火墙规则 (黑名单模式,REJECT目标,规则同步到firewall通信规则)"
delete_all_devgate_firewall_rules
commit_firewall || return 1
rm -f "$IDLIST"
info "firewall通信规则初始化完成"
return 0
}
stop_firewall() {
info "停止防火墙规则"
check_firewall_tool || return 1
delete_all_devgate_firewall_rules
commit_firewall || return 1
rm -f "$IDLIST"
info "DevGate通信规则已删除"
}
disable_device_config() {
local id="$1"
uci -q set "${NAME}.@device[$id].enable=0" || return 1
uci -q commit "$NAME" || return 1
}
skip_device_without_mac() {
local id="$1"
local reason="$2"
local uid
info "$reason,固定为未启用: ID=$id"
uid="$(get_rule_uid "$id" 2>/dev/null)" || uid=""
[ -n "$uid" ] && delete_device_firewall_rules "$uid"
disable_device_config "$id" || return 1
commit_firewall || return 1
}
add_device() {
check_firewall_tool || return 1
local id="$1"
local rule_enabled
local uid
local target=$(config_t_get device mac "$id")
local device_mode=$(get_device_mode "$id")
local dest_zone
[ -z "$target" ] && {
skip_device_without_mac "$id" "目标设备为空" || return 1
return 0
}
local comment=$(config_t_get device comment "$id" "设备$id")
local mac
mac=$(normalize_mac "$target") || {
skip_device_without_mac "$id" "目标MAC无效: $target" || return 1
return 0
}
rule_enabled="$(normalize_enabled "$2")"
dest_zone=$(get_forward_dest_zone "$device_mode")
uid="$(get_rule_uid "$id")" || {
info "添加失败: 规则唯一识别码缺失 ID=$id"
return 1
}
info "添加设备到firewall通信规则: $comment ($mac, uid=$uid, $device_mode, dest=$dest_zone, enabled=$rule_enabled)"
delete_device_firewall_rules "$uid"
delete_device_firewall_rules "$id"
create_forward_rule "$(rule_section "$uid")" "$mac" "$(rule_name "$uid")" "$dest_zone" "$rule_enabled" || return 1
if [ "$device_mode" = "all" ]; then
create_input_rule "$(rule_section "$uid")_input" "$mac" "$(input_rule_name "$uid")" "$rule_enabled" || return 1
fi
if ! commit_firewall; then
info "添加失败: firewall重载失败,回滚DevGate规则"
delete_device_firewall_rules "$uid"
commit_firewall >/dev/null 2>&1 || true
return 1
fi
verify_firewall_rule "$uid" "$mac" "$device_mode" "$rule_enabled" || return 1
}
del_device() {
check_firewall_tool || return 1
local ref="$1"
local uid
local target=""
local comment="规则$ref"
uid="$(resolve_rule_ref "$ref")" || {
info "移除失败: 规则唯一识别码无效 $ref"
return 1
}
if echo "$ref" | grep -qE '^[0-9]+$' && uci -q show "${NAME}.@device[$ref]" >/dev/null 2>&1; then
target=$(config_t_get device mac "$ref")
comment=$(config_t_get device comment "$ref" "设备$ref")
fi
info "从firewall通信规则移除设备: $comment ($target, uid=$uid)"
delete_device_firewall_rules "$uid"
delete_device_firewall_rules "$ref"
commit_firewall || return 1
}
show_firewall_status() {
check_firewall_tool || return 1
echo ""
echo "防火墙状态:"
echo "控制方式: 黑名单"
echo "控制强度: 按设备规则"
echo "规则来源: /etc/config/firewall 通信规则"
echo ""
echo "DevGate通信规则:"
if uci -q show firewall | grep -q "^firewall\.${RULE_PREFIX}"; then
uci -q show firewall | grep "^firewall\.${RULE_PREFIX}"
else
echo " 当前没有DevGate通信规则"
fi
}
diagnose() {
echo ""
echo "=== 设备门禁系统诊断 ==="
echo ""
echo "1. 服务状态:"
if pidof devgatectrl >/dev/null 2>&1; then
echo " ✓ devgatectrl 正在运行"
else
echo " ✗ devgatectrl 未运行"
fi
echo ""
echo "2. 配置文件:"
if [ -f "/etc/config/devgate" ]; then
echo " ✓ 配置文件存在"
uci show devgate 2>/dev/null | grep -c "device" | while read count; do
echo " 配置了 $count 个设备"
done
else
echo " ✗ 配置文件不存在"
fi
echo ""
echo "3. 防火墙接口:"
if command -v uci >/dev/null 2>&1; then
echo " ✓ uci: $(command -v uci)"
else
echo " ✗ 未找到uci"
fi
if [ -x /etc/init.d/firewall ]; then
echo " ✓ firewall服务: /etc/init.d/firewall"
else
echo " ✗ 未找到firewall服务"
fi
if [ -x "$bin_fw4" ]; then
echo " ✓ fw4: $bin_fw4"
echo " 版本: $($bin_fw4 -V 2>/dev/null | head -1)"
else
echo " ? 未找到fw4命令"
fi
show_firewall_status
echo ""
echo "4. 当前控制列表:"
if [ -f "$IDLIST" ] && [ -s "$IDLIST" ]; then
echo " 当前禁止的设备:"
cat "$IDLIST" | sed 's/!//g' | while read ref; do
echo " $ref"
done
else
echo " 当前没有设备被禁止"
fi
echo ""
echo "=== 诊断完成 ==="
}
case "$crrun" in
start)
info "启动设备门禁"
init_firewall
if [ $? -eq 0 ]; then
info "设备门禁启动成功"
show_firewall_status
else
info "设备门禁启动失败"
exit 1
fi
;;
stop)
info "停止设备门禁"
stop_firewall
info "设备门禁已停止"
;;
add)
[ -z "$crid" ] && {
echo "错误: 需要指定设备ID"
exit 1
}
info "添加设备控制: ID=$crid enabled=$(normalize_enabled "$crstate")"
add_device "$crid" "$crstate" || exit 1
show_firewall_status
;;
uid)
[ -z "$crid" ] && {
echo "错误: 需要指定设备ID"
exit 1
}
get_rule_uid "$crid" || exit 1
;;
del)
[ -z "$crid" ] && {
echo "错误: 需要指定设备ID"
exit 1
}
info "移除设备控制: ID=$crid"
del_device "$crid" || exit 1
show_firewall_status
;;
status)
show_firewall_status
;;
reload)
check_firewall_tool || exit 1
reload_firewall || exit 1
;;
diagnose)
diagnose
;;
help|"")
echo "设备门禁系统命令工具"
echo ""
echo "用法: $0 {start|stop|add <id>|del <id>|status|diagnose|help}"
echo ""
echo "命令说明:"
echo " start - 初始化firewall通信规则"
echo " stop - 停止并清理所有DevGate通信规则"
echo " add <id> [0|1] - 添加设备到控制列表,并设置防火墙规则启用状态"
echo " del <id> - 从控制列表移除设备"
echo " status - 显示防火墙状态"
echo " reload - 重载firewall服务"
echo " diagnose - 系统诊断"
echo " help - 显示此帮助信息"
;;
*)
echo "错误: 未知命令 '$crrun'"
echo "使用: $0 help 查看帮助"
exit 1
;;
esac