del: 删除获取防火墙相关代码
This commit is contained in:
TsMask
@@ -1,88 +0,0 @@
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package firewall
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import (
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"net/http"
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"ems.agt/features/firewall/model"
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"ems.agt/features/firewall/service"
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"ems.agt/lib/core/utils/ctx"
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"ems.agt/lib/core/vo/result"
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"ems.agt/lib/services"
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"ems.agt/restagent/config"
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)
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// 防火墙管理接口添加到路由
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func Routers() []services.RouterItem {
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// 实例化控制层 FirewallApi 结构体
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var apis = &FirewallApi{
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firewallService: *service.NewServiceFirewall,
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}
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rs := [...]services.RouterItem{
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{
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Method: "GET",
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Pattern: "/base",
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Handler: apis.BaseInfo,
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Middleware: nil, //midware.Authorize(nil),
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},
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{
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Method: "POST",
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Pattern: "/rule",
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Handler: apis.Rule,
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Middleware: nil, //midware.Authorize(nil),
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},
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// 添加更多的 Router 对象...
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}
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// 生成两组前缀路由
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rsPrefix := []services.RouterItem{}
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for _, v := range rs {
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path := "/firewallManage/{apiVersion}" + v.Pattern
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// 固定前缀
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v.Pattern = config.DefaultUriPrefix + path
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rsPrefix = append(rsPrefix, v)
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// 可配置
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v.Pattern = config.UriPrefix + path
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rsPrefix = append(rsPrefix, v)
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}
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return rsPrefix
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}
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// 防火墙管理
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//
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// PATH /firewallManage
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type FirewallApi struct {
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firewallService service.ServiceFirewall
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}
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// 获取防火墙基础信息
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//
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// GET /base
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func (s *FirewallApi) BaseInfo(w http.ResponseWriter, r *http.Request) {
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data, err := s.firewallService.LoadBaseInfo()
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if err != nil {
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ctx.JSON(w, 200, result.ErrMsg(err.Error()))
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return
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}
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ctx.JSON(w, 200, result.OkData(data))
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}
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// 获取防火墙规则列表分页
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//
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// GET /rule
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func (s *FirewallApi) Rule(w http.ResponseWriter, r *http.Request) {
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var body model.RuleQuerys
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err := ctx.ShouldBindJSON(r, &body)
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if err != nil || body.Type == "" {
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ctx.JSON(w, 400, result.CodeMsg(400, "parameter error"))
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return
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}
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data, err := s.firewallService.RulePage(body)
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if err != nil {
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ctx.JSON(w, 400, result.ErrMsg(err.Error()))
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return
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}
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ctx.JSON(w, 200, result.OkData(data))
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}
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@@ -1,13 +0,0 @@
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package model
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type Firewall struct {
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ID int64 `json:"id" xorm:"id"`
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CreatedAt int64 `json:"createdAt" xorm:"created_at"`
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UpdatedAt int64 `json:"updatedAt" xorm:"updated_at"`
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Type string `json:"type" xorm:"type"`
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Port string `json:"port" xorm:"port"`
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Protocol string `json:"protocol" xorm:"protocol"`
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Address string `json:"address" xorm:"address"`
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Strategy string `json:"strategy" xorm:"strategy"`
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Description string `json:"description" xorm:"description"`
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}
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@@ -1,64 +0,0 @@
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package model
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type FirewallBaseInfo struct {
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Name string `json:"name"`
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Status string `json:"status"`
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Version string `json:"version"`
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PingStatus string `json:"pingStatus"`
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}
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type RuleQuerys struct {
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PageNum int `json:"pageNum" validate:"required,number"`
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PageSize int `json:"pageSize" validate:"required,number"`
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Info string `json:"info"`
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Status string `json:"status"`
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Strategy string `json:"strategy"`
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Type string `json:"type" validate:"required"`
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}
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type FirewallOperation struct {
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Operation string `json:"operation" validate:"required,oneof=start stop disablePing enablePing"`
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}
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type PortRuleOperate struct {
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Operation string `json:"operation" validate:"required,oneof=add remove"`
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Address string `json:"address"`
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Port string `json:"port" validate:"required"`
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Protocol string `json:"protocol" validate:"required,oneof=tcp udp tcp/udp"`
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Strategy string `json:"strategy" validate:"required,oneof=accept drop"`
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Description string `json:"description"`
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}
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type UpdateFirewallDescription struct {
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Type string `json:"type"`
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Address string `json:"address"`
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Port string `json:"port"`
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Protocol string `json:"protocol"`
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Strategy string `json:"strategy" validate:"required,oneof=accept drop"`
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Description string `json:"description"`
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}
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type AddrRuleOperate struct {
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Operation string `json:"operation" validate:"required,oneof=add remove"`
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Address string `json:"address" validate:"required"`
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Strategy string `json:"strategy" validate:"required,oneof=accept drop"`
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Description string `json:"description"`
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}
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type PortRuleUpdate struct {
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OldRule PortRuleOperate `json:"oldRule"`
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NewRule PortRuleOperate `json:"newRule"`
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}
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type AddrRuleUpdate struct {
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OldRule AddrRuleOperate `json:"oldRule"`
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NewRule AddrRuleOperate `json:"newRule"`
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}
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type BatchRuleOperate struct {
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Type string `json:"type" validate:"required"`
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Rules []PortRuleOperate `json:"rules"`
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}
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@@ -1,133 +0,0 @@
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package repo
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import (
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"strings"
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"ems.agt/features/firewall/model"
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"ems.agt/lib/core/datasource"
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"ems.agt/lib/log"
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)
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// 实例化数据层 RepoFirewall 结构体
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var NewRepoFirewall = &RepoFirewall{
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selectSql: `select
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id, created_at, updated_at, type, port, protocol, address, strategy, description
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from monitor_firewall`,
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resultMap: map[string]string{
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"id": "ID",
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"created_at": "CreatedAt",
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"updated_at": "UpdatedAt",
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"type": "Type",
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"port": "Port",
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"protocol": "Protocol",
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"address": "Address",
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"strategy": "Strategy",
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"description": "Description",
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},
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}
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// RepoFirewall 防火墙 数据层处理
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type RepoFirewall struct {
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// 查询视图对象SQL
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selectSql string
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// 结果字段与实体映射
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resultMap map[string]string
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}
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// convertResultRows 将结果记录转实体结果组
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func (r *RepoFirewall) convertResultRows(rows []map[string]any) []model.Firewall {
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arr := make([]model.Firewall, 0)
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for _, row := range rows {
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UdmUser := model.Firewall{}
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for key, value := range row {
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if keyMapper, ok := r.resultMap[key]; ok {
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datasource.SetFieldValue(&UdmUser, keyMapper, value)
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}
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}
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arr = append(arr, UdmUser)
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}
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return arr
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}
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// List 根据实体查询
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func (r *RepoFirewall) List(f model.Firewall) []model.Firewall {
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// 查询条件拼接
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var conditions []string
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var params []any
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if f.Type != "" {
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conditions = append(conditions, "type = ?")
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params = append(params, f.Type)
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}
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if f.Protocol != "" {
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conditions = append(conditions, "protocol = ?")
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params = append(params, f.Protocol)
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}
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// 构建查询条件语句
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whereSql := ""
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if len(conditions) > 0 {
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whereSql += " where " + strings.Join(conditions, " and ")
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}
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// 查询数据
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querySql := r.selectSql + whereSql
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results, err := datasource.RawDB("", querySql, params)
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if err != nil {
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log.Errorf("query err => %v", err)
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}
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// 转换实体
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return r.convertResultRows(results)
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}
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// Insert 新增实体
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func (r *RepoFirewall) Insert(f model.Firewall) int64 {
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results, err := datasource.DefaultDB().Table("monitor_firewall").Insert(f)
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if err != nil {
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return results
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}
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return results
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}
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// Update 修改更新
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func (r *RepoFirewall) Update(f model.Firewall) int64 {
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// 查询先
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var fd model.Firewall
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if f.Type == "port" {
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has, err := datasource.DefaultDB().Table("monitor_firewall").Where("type = ? AND port = ? AND protocol = ? AND address = ? AND strategy = ?", "port", f.Port, f.Protocol, f.Address, f.Strategy).Get(&fd)
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if !has || err != nil {
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return 0
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}
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} else {
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has, err := datasource.DefaultDB().Table("monitor_firewall").Where("type = ? AND address = ? AND strategy = ?", "address", f.Address, f.Strategy).Get(&fd)
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if !has || err != nil {
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return 0
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}
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}
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f.ID = fd.ID
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results, err := datasource.DefaultDB().Table("monitor_firewall").Where("id = ?", f.ID).Update(f)
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if err != nil {
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return 0
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}
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return results
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}
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// Delete 删除实体
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func (r *RepoFirewall) Delete(id int64) int64 {
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results, err := datasource.DefaultDB().Table("u_sub_user").Where("id = ?", id).Delete()
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if err != nil {
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return results
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}
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return results
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}
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// DeleteFirewallRecord 删除实体
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func (r *RepoFirewall) DeleteFirewallRecord(fType, port, protocol, address, strategy string) int64 {
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results, err := datasource.DefaultDB().Table("u_sub_user").Where("type = ? AND port = ? AND protocol = ? AND address = ? AND strategy = ?", fType, port, protocol, address, strategy).Delete()
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if err != nil {
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return results
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}
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return results
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}
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@@ -1,207 +0,0 @@
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package service
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import (
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"fmt"
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"os"
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"strconv"
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"strings"
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"ems.agt/features/firewall/model"
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"ems.agt/features/firewall/repo"
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"ems.agt/lib/core/cmd"
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"ems.agt/lib/core/utils/firewall"
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fireClient "ems.agt/lib/core/utils/firewall/client"
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"ems.agt/lib/core/utils/scan"
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)
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// 实例化服务层 ServiceFirewall 结构体
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var NewServiceFirewall = &ServiceFirewall{
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repoFirewall: *repo.NewRepoFirewall,
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}
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// ServiceFirewall 防火墙 服务层处理
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type ServiceFirewall struct {
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repoFirewall repo.RepoFirewall
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}
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// LoadBaseInfo 获取防火墙基础信息
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func (s *ServiceFirewall) LoadBaseInfo() (model.FirewallBaseInfo, error) {
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var baseInfo model.FirewallBaseInfo
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baseInfo.PingStatus = s.pingStatus()
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baseInfo.Status = "not running"
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baseInfo.Version = "-"
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baseInfo.Name = "-"
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client, err := firewall.NewFirewallClient()
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if err != nil {
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if err.Error() == "no such type" {
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return baseInfo, nil
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}
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return baseInfo, err
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}
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baseInfo.Name = client.Name()
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baseInfo.Status, err = client.Status()
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if err != nil {
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return baseInfo, err
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}
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if baseInfo.Status == "not running" {
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return baseInfo, err
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}
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baseInfo.Version, err = client.Version()
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if err != nil {
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return baseInfo, err
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}
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return baseInfo, nil
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}
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// LoadBaseInfo 获取防火墙基础信息
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func (s *ServiceFirewall) RulePage(querys model.RuleQuerys) (map[string]any, error) {
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var (
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datas []fireClient.FireInfo
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backDatas []fireClient.FireInfo
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)
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data := map[string]any{
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"total": 0,
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"rows": backDatas,
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}
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client, err := firewall.NewFirewallClient()
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if err != nil {
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return data, err
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}
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if querys.Type == "port" {
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ports, err := client.ListPort()
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if err != nil {
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return data, err
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}
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if len(querys.Info) != 0 {
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for _, port := range ports {
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if strings.Contains(port.Port, querys.Info) {
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datas = append(datas, port)
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}
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}
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} else {
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datas = ports
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}
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} else {
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addrs, err := client.ListAddress()
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if err != nil {
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return data, err
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}
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if len(querys.Info) != 0 {
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for _, addr := range addrs {
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if strings.Contains(addr.Address, querys.Info) {
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datas = append(datas, addr)
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}
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}
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} else {
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datas = addrs
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}
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}
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var datasFilterStatus []fireClient.FireInfo
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if len(querys.Status) != 0 {
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for _, data := range datas {
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portItem, _ := strconv.Atoi(data.Port)
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if querys.Status == "free" && !scan.ScanPortWithProto(portItem, data.Protocol) {
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datasFilterStatus = append(datasFilterStatus, data)
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}
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if querys.Status == "used" && scan.ScanPortWithProto(portItem, data.Protocol) {
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datasFilterStatus = append(datasFilterStatus, data)
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}
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}
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} else {
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datasFilterStatus = datas
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}
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var datasFilterStrategy []fireClient.FireInfo
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if len(querys.Strategy) != 0 {
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for _, data := range datasFilterStatus {
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if querys.Strategy == data.Strategy {
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datasFilterStrategy = append(datasFilterStrategy, data)
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}
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}
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} else {
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datasFilterStrategy = datasFilterStatus
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}
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total, start, end := len(datasFilterStrategy), (querys.PageNum-1)*querys.PageSize, querys.PageNum*querys.PageSize
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if start > total {
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backDatas = make([]fireClient.FireInfo, 0)
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} else {
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if end >= total {
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end = total
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}
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backDatas = datasFilterStrategy[start:end]
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}
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datasFromDB := s.repoFirewall.List(model.Firewall{})
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for i := 0; i < len(backDatas); i++ {
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for _, des := range datasFromDB {
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if querys.Type != des.Type {
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continue
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}
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if backDatas[i].Port == des.Port && querys.Type == "port" &&
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backDatas[i].Protocol == des.Protocol &&
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backDatas[i].Strategy == des.Strategy &&
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backDatas[i].Address == des.Address {
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backDatas[i].Description = des.Description
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break
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}
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if querys.Type == "address" && backDatas[i].Strategy == des.Strategy && backDatas[i].Address == des.Address {
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backDatas[i].Description = des.Description
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break
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}
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}
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}
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if querys.Type == "port" {
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for i := 0; i < len(backDatas); i++ {
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port, _ := strconv.Atoi(backDatas[i].Port)
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backDatas[i].IsUsed = scan.ScanPort(port)
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if backDatas[i].Protocol == "udp" {
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backDatas[i].IsUsed = scan.ScanUDPPort(port)
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continue
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}
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}
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}
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go s.cleanUnUsedData(client)
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return data, nil
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}
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func (s *ServiceFirewall) pingStatus() string {
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if _, err := os.Stat("/etc/sysctl.conf"); err != nil {
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return "None"
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}
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sudo := cmd.SudoHandleCmd()
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command := fmt.Sprintf("%s cat /etc/sysctl.conf | grep net/ipv4/icmp_echo_ignore_all= ", sudo)
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stdout, _ := cmd.Exec(command)
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if stdout == "net/ipv4/icmp_echo_ignore_all=1\n" {
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return "Enable"
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}
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return "Disable"
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}
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func (s *ServiceFirewall) cleanUnUsedData(client firewall.FirewallClient) {
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list, _ := client.ListPort()
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addressList, _ := client.ListAddress()
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list = append(list, addressList...)
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if len(list) == 0 {
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return
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}
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records := s.repoFirewall.List(model.Firewall{})
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if len(records) == 0 {
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return
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}
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for _, item := range list {
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for i := 0; i < len(records); i++ {
|
||||
if records[i].Port == item.Port && records[i].Protocol == item.Protocol && records[i].Strategy == item.Strategy && records[i].Address == item.Address {
|
||||
records = append(records[:i], records[i+1:]...)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
for _, record := range records {
|
||||
_ = s.repoFirewall.Delete(record.ID)
|
||||
}
|
||||
}
|
||||
@@ -1,34 +0,0 @@
|
||||
package firewall
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"os"
|
||||
|
||||
"ems.agt/lib/core/utils/firewall/client"
|
||||
)
|
||||
|
||||
type FirewallClient interface {
|
||||
Name() string // ufw firewalld
|
||||
Start() error
|
||||
Stop() error
|
||||
Reload() error
|
||||
Status() (string, error) // running not running
|
||||
Version() (string, error)
|
||||
|
||||
ListPort() ([]client.FireInfo, error)
|
||||
ListAddress() ([]client.FireInfo, error)
|
||||
|
||||
Port(port client.FireInfo, operation string) error
|
||||
RichRules(rule client.FireInfo, operation string) error
|
||||
PortForward(info client.Forward, operation string) error
|
||||
}
|
||||
|
||||
func NewFirewallClient() (FirewallClient, error) {
|
||||
if _, err := os.Stat("/usr/sbin/firewalld"); err == nil {
|
||||
return client.NewFirewalld()
|
||||
}
|
||||
if _, err := os.Stat("/usr/sbin/ufw"); err == nil {
|
||||
return client.NewUfw()
|
||||
}
|
||||
return nil, errors.New("no such type")
|
||||
}
|
||||
@@ -1,209 +0,0 @@
|
||||
package client
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"strings"
|
||||
"sync"
|
||||
|
||||
"ems.agt/lib/core/cmd"
|
||||
)
|
||||
|
||||
type Firewall struct{}
|
||||
|
||||
func NewFirewalld() (*Firewall, error) {
|
||||
return &Firewall{}, nil
|
||||
}
|
||||
|
||||
func (f *Firewall) Name() string {
|
||||
return "firewalld"
|
||||
}
|
||||
|
||||
func (f *Firewall) Status() (string, error) {
|
||||
stdout, _ := cmd.Exec("firewall-cmd --state")
|
||||
if stdout == "running\n" {
|
||||
return "running", nil
|
||||
}
|
||||
return "not running", nil
|
||||
}
|
||||
|
||||
func (f *Firewall) Version() (string, error) {
|
||||
stdout, err := cmd.Exec("firewall-cmd --version")
|
||||
if err != nil {
|
||||
return "", fmt.Errorf("load the firewall version failed, err: %s", stdout)
|
||||
}
|
||||
return strings.ReplaceAll(stdout, "\n ", ""), nil
|
||||
}
|
||||
|
||||
func (f *Firewall) Start() error {
|
||||
stdout, err := cmd.Exec("systemctl start firewalld")
|
||||
if err != nil {
|
||||
return fmt.Errorf("enable the firewall failed, err: %s", stdout)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (f *Firewall) Stop() error {
|
||||
stdout, err := cmd.Exec("systemctl stop firewalld")
|
||||
if err != nil {
|
||||
return fmt.Errorf("stop the firewall failed, err: %s", stdout)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (f *Firewall) Reload() error {
|
||||
stdout, err := cmd.Exec("firewall-cmd --reload")
|
||||
if err != nil {
|
||||
return fmt.Errorf("reload firewall failed, err: %s", stdout)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (f *Firewall) ListPort() ([]FireInfo, error) {
|
||||
var wg sync.WaitGroup
|
||||
var datas []FireInfo
|
||||
wg.Add(2)
|
||||
go func() {
|
||||
defer wg.Done()
|
||||
stdout, err := cmd.Exec("firewall-cmd --zone=public --list-ports")
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
ports := strings.Split(strings.ReplaceAll(stdout, "\n", ""), " ")
|
||||
for _, port := range ports {
|
||||
if len(port) == 0 {
|
||||
continue
|
||||
}
|
||||
var itemPort FireInfo
|
||||
if strings.Contains(port, "/") {
|
||||
itemPort.Port = strings.Split(port, "/")[0]
|
||||
itemPort.Protocol = strings.Split(port, "/")[1]
|
||||
}
|
||||
itemPort.Strategy = "accept"
|
||||
datas = append(datas, itemPort)
|
||||
}
|
||||
}()
|
||||
|
||||
go func() {
|
||||
defer wg.Done()
|
||||
stdout1, err := cmd.Exec("firewall-cmd --zone=public --list-rich-rules")
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
rules := strings.Split(stdout1, "\n")
|
||||
for _, rule := range rules {
|
||||
if len(rule) == 0 {
|
||||
continue
|
||||
}
|
||||
itemRule := f.loadInfo(rule)
|
||||
if len(itemRule.Port) != 0 && itemRule.Family == "ipv4" {
|
||||
datas = append(datas, itemRule)
|
||||
}
|
||||
}
|
||||
}()
|
||||
wg.Wait()
|
||||
return datas, nil
|
||||
}
|
||||
|
||||
func (f *Firewall) ListAddress() ([]FireInfo, error) {
|
||||
stdout, err := cmd.Exec("firewall-cmd --zone=public --list-rich-rules")
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
var datas []FireInfo
|
||||
rules := strings.Split(stdout, "\n")
|
||||
for _, rule := range rules {
|
||||
if len(rule) == 0 {
|
||||
continue
|
||||
}
|
||||
itemRule := f.loadInfo(rule)
|
||||
if len(itemRule.Port) == 0 && len(itemRule.Address) != 0 {
|
||||
datas = append(datas, itemRule)
|
||||
}
|
||||
}
|
||||
return datas, nil
|
||||
}
|
||||
|
||||
func (f *Firewall) Port(port FireInfo, operation string) error {
|
||||
if cmd.CheckIllegal(operation, port.Protocol, port.Port) {
|
||||
return fmt.Errorf("errCmdIllegal %v", port)
|
||||
}
|
||||
|
||||
stdout, err := cmd.Execf("firewall-cmd --zone=public --%s-port=%s/%s --permanent", operation, port.Port, port.Protocol)
|
||||
if err != nil {
|
||||
return fmt.Errorf("%s port failed, err: %s", operation, stdout)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (f *Firewall) RichRules(rule FireInfo, operation string) error {
|
||||
if cmd.CheckIllegal(operation, rule.Address, rule.Protocol, rule.Port, rule.Strategy) {
|
||||
return fmt.Errorf("errCmdIllegal %v", rule)
|
||||
}
|
||||
ruleStr := ""
|
||||
if strings.Contains(rule.Address, "-") {
|
||||
std, err := cmd.Execf("firewall-cmd --permanent --new-ipset=%s --type=hash:ip", rule.Address)
|
||||
if err != nil {
|
||||
return fmt.Errorf("add new ipset failed, err: %s", std)
|
||||
}
|
||||
std2, err := cmd.Execf("firewall-cmd --permanent --ipset=%s --add-entry=%s", rule.Address, rule.Address)
|
||||
if err != nil {
|
||||
return fmt.Errorf("add entry to ipset failed, err: %s", std2)
|
||||
}
|
||||
if err := f.Reload(); err != nil {
|
||||
return err
|
||||
}
|
||||
ruleStr = fmt.Sprintf("rule source ipset=%s %s", rule.Address, rule.Strategy)
|
||||
} else {
|
||||
ruleStr = "rule family=ipv4 "
|
||||
if len(rule.Address) != 0 {
|
||||
ruleStr += fmt.Sprintf("source address=%s ", rule.Address)
|
||||
}
|
||||
if len(rule.Port) != 0 {
|
||||
ruleStr += fmt.Sprintf("port port=%s ", rule.Port)
|
||||
}
|
||||
if len(rule.Protocol) != 0 {
|
||||
ruleStr += fmt.Sprintf("protocol=%s ", rule.Protocol)
|
||||
}
|
||||
ruleStr += rule.Strategy
|
||||
}
|
||||
stdout, err := cmd.Execf("firewall-cmd --zone=public --%s-rich-rule '%s' --permanent", operation, ruleStr)
|
||||
if err != nil {
|
||||
return fmt.Errorf("%s rich rules failed, err: %s", operation, stdout)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (f *Firewall) PortForward(info Forward, operation string) error {
|
||||
ruleStr := fmt.Sprintf("firewall-cmd --%s-forward-port=port=%s:proto=%s:toport=%s --permanent", operation, info.Port, info.Protocol, info.Target)
|
||||
if len(info.Address) != 0 {
|
||||
ruleStr = fmt.Sprintf("firewall-cmd --%s-forward-port=port=%s:proto=%s:toaddr=%s:toport=%s --permanent", operation, info.Port, info.Protocol, info.Address, info.Target)
|
||||
}
|
||||
|
||||
stdout, err := cmd.Exec(ruleStr)
|
||||
if err != nil {
|
||||
return fmt.Errorf("%s port forward failed, err: %s", operation, stdout)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (f *Firewall) loadInfo(line string) FireInfo {
|
||||
var itemRule FireInfo
|
||||
ruleInfo := strings.Split(strings.ReplaceAll(line, "\"", ""), " ")
|
||||
for _, item := range ruleInfo {
|
||||
switch {
|
||||
case strings.Contains(item, "family="):
|
||||
itemRule.Family = strings.ReplaceAll(item, "family=", "")
|
||||
case strings.Contains(item, "ipset="):
|
||||
itemRule.Address = strings.ReplaceAll(item, "ipset=", "")
|
||||
case strings.Contains(item, "address="):
|
||||
itemRule.Address = strings.ReplaceAll(item, "address=", "")
|
||||
case strings.Contains(item, "port="):
|
||||
itemRule.Port = strings.ReplaceAll(item, "port=", "")
|
||||
case strings.Contains(item, "protocol="):
|
||||
itemRule.Protocol = strings.ReplaceAll(item, "protocol=", "")
|
||||
case item == "accept" || item == "drop" || item == "reject":
|
||||
itemRule.Strategy = item
|
||||
}
|
||||
}
|
||||
return itemRule
|
||||
}
|
||||
@@ -1,20 +0,0 @@
|
||||
package client
|
||||
|
||||
type FireInfo struct {
|
||||
Family string `json:"family"` // ipv4 ipv6
|
||||
Address string `json:"address"` // Anywhere
|
||||
Port string `json:"port"`
|
||||
Protocol string `json:"protocol"` // tcp udp tcp/udp
|
||||
Strategy string `json:"strategy"` // accept drop
|
||||
|
||||
APPName string `json:"appName"`
|
||||
IsUsed bool `json:"isUsed"`
|
||||
Description string `json:"description"`
|
||||
}
|
||||
|
||||
type Forward struct {
|
||||
Protocol string `json:"protocol"`
|
||||
Address string `json:"address"`
|
||||
Port string `json:"port"`
|
||||
Target string `json:"target"`
|
||||
}
|
||||
@@ -1,238 +0,0 @@
|
||||
package client
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"strings"
|
||||
|
||||
"ems.agt/lib/core/cmd"
|
||||
)
|
||||
|
||||
type Ufw struct {
|
||||
CmdStr string
|
||||
}
|
||||
|
||||
func NewUfw() (*Ufw, error) {
|
||||
var ufw Ufw
|
||||
if cmd.HasNoPasswordSudo() {
|
||||
ufw.CmdStr = "sudo ufw"
|
||||
} else {
|
||||
ufw.CmdStr = "ufw"
|
||||
}
|
||||
return &ufw, nil
|
||||
}
|
||||
|
||||
func (f *Ufw) Name() string {
|
||||
return "ufw"
|
||||
}
|
||||
|
||||
func (f *Ufw) Status() (string, error) {
|
||||
stdout, _ := cmd.Execf("%s status | grep Status", f.CmdStr)
|
||||
if stdout == "Status: active\n" {
|
||||
return "running", nil
|
||||
}
|
||||
stdout1, _ := cmd.Execf("%s status | grep 状态", f.CmdStr)
|
||||
if stdout1 == "状态： 激活\n" {
|
||||
return "running", nil
|
||||
}
|
||||
return "not running", nil
|
||||
}
|
||||
|
||||
func (f *Ufw) Version() (string, error) {
|
||||
stdout, err := cmd.Execf("%s version | grep ufw", f.CmdStr)
|
||||
if err != nil {
|
||||
return "", fmt.Errorf("load the firewall status failed, err: %s", stdout)
|
||||
}
|
||||
info := strings.ReplaceAll(stdout, "\n", "")
|
||||
return strings.ReplaceAll(info, "ufw ", ""), nil
|
||||
}
|
||||
|
||||
func (f *Ufw) Start() error {
|
||||
stdout, err := cmd.Execf("echo y | %s enable", f.CmdStr)
|
||||
if err != nil {
|
||||
return fmt.Errorf("enable the firewall failed, err: %s", stdout)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (f *Ufw) Stop() error {
|
||||
stdout, err := cmd.Execf("%s disable", f.CmdStr)
|
||||
if err != nil {
|
||||
return fmt.Errorf("stop the firewall failed, err: %s", stdout)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (f *Ufw) Reload() error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (f *Ufw) ListPort() ([]FireInfo, error) {
|
||||
stdout, err := cmd.Execf("%s status verbose", f.CmdStr)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
portInfos := strings.Split(stdout, "\n")
|
||||
var datas []FireInfo
|
||||
isStart := false
|
||||
for _, line := range portInfos {
|
||||
if strings.HasPrefix(line, "-") {
|
||||
isStart = true
|
||||
continue
|
||||
}
|
||||
if !isStart {
|
||||
continue
|
||||
}
|
||||
itemFire := f.loadInfo(line, "port")
|
||||
if len(itemFire.Port) != 0 && itemFire.Port != "Anywhere" && !strings.Contains(itemFire.Port, ".") {
|
||||
itemFire.Port = strings.ReplaceAll(itemFire.Port, ":", "-")
|
||||
datas = append(datas, itemFire)
|
||||
}
|
||||
}
|
||||
return datas, nil
|
||||
}
|
||||
|
||||
func (f *Ufw) ListAddress() ([]FireInfo, error) {
|
||||
stdout, err := cmd.Execf("%s status verbose", f.CmdStr)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
portInfos := strings.Split(stdout, "\n")
|
||||
var datas []FireInfo
|
||||
isStart := false
|
||||
for _, line := range portInfos {
|
||||
if strings.HasPrefix(line, "-") {
|
||||
isStart = true
|
||||
continue
|
||||
}
|
||||
if !isStart {
|
||||
continue
|
||||
}
|
||||
if !strings.Contains(line, " IN") {
|
||||
continue
|
||||
}
|
||||
itemFire := f.loadInfo(line, "address")
|
||||
if strings.Contains(itemFire.Port, ".") {
|
||||
itemFire.Address += ("-" + itemFire.Port)
|
||||
itemFire.Port = ""
|
||||
}
|
||||
if len(itemFire.Port) == 0 && len(itemFire.Address) != 0 {
|
||||
datas = append(datas, itemFire)
|
||||
}
|
||||
}
|
||||
return datas, nil
|
||||
}
|
||||
|
||||
func (f *Ufw) Port(port FireInfo, operation string) error {
|
||||
switch port.Strategy {
|
||||
case "accept":
|
||||
port.Strategy = "allow"
|
||||
case "drop":
|
||||
port.Strategy = "deny"
|
||||
default:
|
||||
return fmt.Errorf("unsupport strategy %s", port.Strategy)
|
||||
}
|
||||
if cmd.CheckIllegal(port.Protocol, port.Port) {
|
||||
return fmt.Errorf("errCmdIllegal %v", port)
|
||||
}
|
||||
|
||||
command := fmt.Sprintf("%s %s %s", f.CmdStr, port.Strategy, port.Port)
|
||||
if operation == "remove" {
|
||||
command = fmt.Sprintf("%s delete %s %s", f.CmdStr, port.Strategy, port.Port)
|
||||
}
|
||||
if len(port.Protocol) != 0 {
|
||||
command += fmt.Sprintf("/%s", port.Protocol)
|
||||
}
|
||||
stdout, err := cmd.Exec(command)
|
||||
if err != nil {
|
||||
return fmt.Errorf("%s port failed, err: %s", operation, stdout)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (f *Ufw) RichRules(rule FireInfo, operation string) error {
|
||||
switch rule.Strategy {
|
||||
case "accept":
|
||||
rule.Strategy = "allow"
|
||||
case "drop":
|
||||
rule.Strategy = "deny"
|
||||
default:
|
||||
return fmt.Errorf("unsupport strategy %s", rule.Strategy)
|
||||
}
|
||||
|
||||
if cmd.CheckIllegal(operation, rule.Protocol, rule.Address, rule.Port) {
|
||||
return fmt.Errorf("errCmdIllegal %v", rule)
|
||||
}
|
||||
|
||||
ruleStr := fmt.Sprintf("%s %s ", f.CmdStr, rule.Strategy)
|
||||
if operation == "remove" {
|
||||
ruleStr = fmt.Sprintf("%s delete %s ", f.CmdStr, rule.Strategy)
|
||||
}
|
||||
if len(rule.Protocol) != 0 {
|
||||
ruleStr += fmt.Sprintf("proto %s ", rule.Protocol)
|
||||
}
|
||||
if strings.Contains(rule.Address, "-") {
|
||||
ruleStr += fmt.Sprintf("from %s to %s ", strings.Split(rule.Address, "-")[0], strings.Split(rule.Address, "-")[1])
|
||||
} else {
|
||||
ruleStr += fmt.Sprintf("from %s ", rule.Address)
|
||||
}
|
||||
if len(rule.Port) != 0 {
|
||||
ruleStr += fmt.Sprintf("to any port %s ", rule.Port)
|
||||
}
|
||||
|
||||
stdout, err := cmd.Exec(ruleStr)
|
||||
if err != nil {
|
||||
return fmt.Errorf("%s rich rules failed, err: %s", operation, stdout)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (f *Ufw) PortForward(info Forward, operation string) error {
|
||||
ruleStr := fmt.Sprintf("firewall-cmd --%s-forward-port=port=%s:proto=%s:toport=%s --permanent", operation, info.Port, info.Protocol, info.Target)
|
||||
if len(info.Address) != 0 {
|
||||
ruleStr = fmt.Sprintf("firewall-cmd --%s-forward-port=port=%s:proto=%s:toaddr=%s:toport=%s --permanent", operation, info.Port, info.Protocol, info.Address, info.Target)
|
||||
}
|
||||
|
||||
stdout, err := cmd.Exec(ruleStr)
|
||||
if err != nil {
|
||||
return fmt.Errorf("%s port forward failed, err: %s", operation, stdout)
|
||||
}
|
||||
if err := f.Reload(); err != nil {
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (f *Ufw) loadInfo(line string, fireType string) FireInfo {
|
||||
fields := strings.Fields(line)
|
||||
var itemInfo FireInfo
|
||||
if len(fields) < 4 {
|
||||
return itemInfo
|
||||
}
|
||||
if fields[1] == "(v6)" {
|
||||
return itemInfo
|
||||
}
|
||||
if fields[0] == "Anywhere" && fireType != "port" {
|
||||
itemInfo.Strategy = "drop"
|
||||
if fields[1] == "ALLOW" {
|
||||
itemInfo.Strategy = "accept"
|
||||
}
|
||||
itemInfo.Address = fields[3]
|
||||
return itemInfo
|
||||
}
|
||||
if strings.Contains(fields[0], "/") {
|
||||
itemInfo.Port = strings.Split(fields[0], "/")[0]
|
||||
itemInfo.Protocol = strings.Split(fields[0], "/")[1]
|
||||
} else {
|
||||
itemInfo.Port = fields[0]
|
||||
itemInfo.Protocol = "tcp/udp"
|
||||
}
|
||||
itemInfo.Family = "ipv4"
|
||||
if fields[1] == "ALLOW" {
|
||||
itemInfo.Strategy = "accept"
|
||||
} else {
|
||||
itemInfo.Strategy = "drop"
|
||||
}
|
||||
itemInfo.Address = fields[3]
|
||||
|
||||
return itemInfo
|
||||
}
|
||||
Reference in New Issue
Block a user