netmaker/pro/logic/acls.go

package logic

import (
	"context"
	"errors"
	"fmt"
	"maps"
	"net"

	"github.com/gravitl/netmaker/db"
	"github.com/gravitl/netmaker/logic"
	"github.com/gravitl/netmaker/models"
	"github.com/gravitl/netmaker/schema"
)

func GetFwRulesForUserNodesOnGw(node models.Node, nodes []models.Node) (rules []models.FwRule) {
	defaultUserPolicy, _ := logic.GetDefaultPolicy(models.NetworkID(node.Network), models.UserPolicy)
	userNodes := logic.GetStaticUserNodesByNetwork(models.NetworkID(node.Network))
	for _, userNodeI := range userNodes {
		for _, peer := range nodes {
			if peer.IsUserNode {
				continue
			}

			if ok, allowedPolicies := IsUserAllowedToCommunicate(userNodeI.StaticNode.OwnerID, peer); ok {
				if peer.IsStatic {
					peer = peer.StaticNode.ConvertToStaticNode()
				}
				if !defaultUserPolicy.Enabled {
					for _, policy := range allowedPolicies {
						if userNodeI.StaticNode.Address != "" {
							rules = append(rules, models.FwRule{
								SrcIP: userNodeI.StaticNode.AddressIPNet4(),
								DstIP: net.IPNet{
									IP:   peer.Address.IP,
									Mask: net.CIDRMask(32, 32),
								},
								AllowedProtocol: policy.Proto,
								AllowedPorts:    policy.Port,
								Allow:           true,
							})
						}
						if userNodeI.StaticNode.Address6 != "" {
							rules = append(rules, models.FwRule{
								SrcIP: userNodeI.StaticNode.AddressIPNet6(),
								DstIP: net.IPNet{
									IP:   peer.Address6.IP,
									Mask: net.CIDRMask(128, 128),
								},
								AllowedProtocol: policy.Proto,
								AllowedPorts:    policy.Port,
								Allow:           true,
							})
						}

						// add egress ranges
						for _, dstI := range policy.Dst {
							if dstI.ID == models.EgressID {

								e := schema.Egress{ID: dstI.Value}
								err := e.Get(db.WithContext(context.TODO()))
								if err != nil {
									continue
								}
								dstI.Value = e.Range

								ip, cidr, err := net.ParseCIDR(dstI.Value)
								if err == nil {
									if ip.To4() != nil && userNodeI.StaticNode.Address != "" {
										rules = append(rules, models.FwRule{
											SrcIP:           userNodeI.StaticNode.AddressIPNet4(),
											DstIP:           *cidr,
											AllowedProtocol: policy.Proto,
											AllowedPorts:    policy.Port,
											Allow:           true,
										})
									} else if ip.To16() != nil && userNodeI.StaticNode.Address6 != "" {
										rules = append(rules, models.FwRule{
											SrcIP:           userNodeI.StaticNode.AddressIPNet6(),
											DstIP:           *cidr,
											AllowedProtocol: policy.Proto,
											AllowedPorts:    policy.Port,
											Allow:           true,
										})
									}
								}
							}
						}

					}
				}

			}
		}
	}
	return
}

func GetFwRulesForNodeAndPeerOnGw(node, peer models.Node, allowedPolicies []models.Acl) (rules []models.FwRule) {

	for _, policy := range allowedPolicies {
		// if static peer dst rule not for ingress node -> skip
		if node.Address.IP != nil {
			rules = append(rules, models.FwRule{
				SrcIP: net.IPNet{
					IP:   node.Address.IP,
					Mask: net.CIDRMask(32, 32),
				},
				DstIP: net.IPNet{
					IP:   peer.Address.IP,
					Mask: net.CIDRMask(32, 32),
				},
				AllowedProtocol: policy.Proto,
				AllowedPorts:    policy.Port,
				Allow:           true,
			})
		}

		if node.Address6.IP != nil {
			rules = append(rules, models.FwRule{
				SrcIP: net.IPNet{
					IP:   node.Address6.IP,
					Mask: net.CIDRMask(128, 128),
				},
				DstIP: net.IPNet{
					IP:   peer.Address6.IP,
					Mask: net.CIDRMask(128, 128),
				},
				AllowedProtocol: policy.Proto,
				AllowedPorts:    policy.Port,
				Allow:           true,
			})
		}
		if policy.AllowedDirection == models.TrafficDirectionBi {
			if node.Address.IP != nil {
				rules = append(rules, models.FwRule{
					SrcIP: net.IPNet{
						IP:   peer.Address.IP,
						Mask: net.CIDRMask(32, 32),
					},
					DstIP: net.IPNet{
						IP:   node.Address.IP,
						Mask: net.CIDRMask(32, 32),
					},
					AllowedProtocol: policy.Proto,
					AllowedPorts:    policy.Port,
					Allow:           true,
				})
			}

			if node.Address6.IP != nil {
				rules = append(rules, models.FwRule{
					SrcIP: net.IPNet{
						IP:   peer.Address6.IP,
						Mask: net.CIDRMask(128, 128),
					},
					DstIP: net.IPNet{
						IP:   node.Address6.IP,
						Mask: net.CIDRMask(128, 128),
					},
					AllowedProtocol: policy.Proto,
					AllowedPorts:    policy.Port,
					Allow:           true,
				})
			}
		}
		if len(node.StaticNode.ExtraAllowedIPs) > 0 {
			for _, additionalAllowedIPNet := range node.StaticNode.ExtraAllowedIPs {
				_, ipNet, err := net.ParseCIDR(additionalAllowedIPNet)
				if err != nil {
					continue
				}
				if ipNet.IP.To4() != nil && peer.Address.IP != nil {
					rules = append(rules, models.FwRule{
						SrcIP: net.IPNet{
							IP:   peer.Address.IP,
							Mask: net.CIDRMask(32, 32),
						},
						DstIP: *ipNet,
						Allow: true,
					})
				} else if peer.Address6.IP != nil {
					rules = append(rules, models.FwRule{
						SrcIP: net.IPNet{
							IP:   peer.Address6.IP,
							Mask: net.CIDRMask(128, 128),
						},
						DstIP: *ipNet,
						Allow: true,
					})
				}

			}

		}
		if len(peer.StaticNode.ExtraAllowedIPs) > 0 {
			for _, additionalAllowedIPNet := range peer.StaticNode.ExtraAllowedIPs {
				_, ipNet, err := net.ParseCIDR(additionalAllowedIPNet)
				if err != nil {
					continue
				}
				if ipNet.IP.To4() != nil && node.Address.IP != nil {
					rules = append(rules, models.FwRule{
						SrcIP: net.IPNet{
							IP:   node.Address.IP,
							Mask: net.CIDRMask(32, 32),
						},
						DstIP: *ipNet,
						Allow: true,
					})
				} else if node.Address6.IP != nil {
					rules = append(rules, models.FwRule{
						SrcIP: net.IPNet{
							IP:   node.Address6.IP,
							Mask: net.CIDRMask(128, 128),
						},
						DstIP: *ipNet,
						Allow: true,
					})
				}

			}

		}

		// add egress range rules
		for _, dstI := range policy.Dst {
			if dstI.ID == models.EgressID {

				e := schema.Egress{ID: dstI.Value}
				err := e.Get(db.WithContext(context.TODO()))
				if err != nil {
					continue
				}
				dstI.Value = e.Range

				ip, cidr, err := net.ParseCIDR(dstI.Value)
				if err == nil {
					if ip.To4() != nil {
						if node.Address.IP != nil {
							rules = append(rules, models.FwRule{
								SrcIP: net.IPNet{
									IP:   node.Address.IP,
									Mask: net.CIDRMask(32, 32),
								},
								DstIP:           *cidr,
								AllowedProtocol: policy.Proto,
								AllowedPorts:    policy.Port,
								Allow:           true,
							})
						}
					} else {
						if node.Address6.IP != nil {
							rules = append(rules, models.FwRule{
								SrcIP: net.IPNet{
									IP:   node.Address6.IP,
									Mask: net.CIDRMask(128, 128),
								},
								DstIP:           *cidr,
								AllowedProtocol: policy.Proto,
								AllowedPorts:    policy.Port,
								Allow:           true,
							})
						}
					}

				}
			}
		}
	}

	return
}

func checkIfAclTagisValid(a models.Acl, t models.AclPolicyTag, isSrc bool) (err error) {
	switch t.ID {
	case models.NodeTagID:
		if a.RuleType == models.UserPolicy && isSrc {
			return errors.New("user policy source mismatch")
		}
		// check if tag is valid
		_, err := GetTag(models.TagID(t.Value))
		if err != nil {
			return errors.New("invalid tag " + t.Value)
		}
	case models.NodeID:
		if a.RuleType == models.UserPolicy && isSrc {
			return errors.New("user policy source mismatch")
		}
		_, nodeErr := logic.GetNodeByID(t.Value)
		if nodeErr != nil {
			_, staticNodeErr := logic.GetExtClient(t.Value, a.NetworkID.String())
			if staticNodeErr != nil {
				return errors.New("invalid node " + t.Value)
			}
		}
	case models.EgressID, models.EgressRange:
		e := schema.Egress{
			ID: t.Value,
		}
		err := e.Get(db.WithContext(context.TODO()))
		if err != nil {
			return errors.New("invalid egress")
		}

	case models.UserAclID:
		if a.RuleType == models.DevicePolicy {
			return errors.New("device policy source mismatch")
		}
		if !isSrc {
			return errors.New("user cannot be added to destination")
		}
		_, err := logic.GetUser(t.Value)
		if err != nil {
			return errors.New("invalid user " + t.Value)
		}
	case models.UserGroupAclID:
		if a.RuleType == models.DevicePolicy {
			return errors.New("device policy source mismatch")
		}
		if !isSrc {
			return errors.New("user cannot be added to destination")
		}
		err := IsGroupValid(models.UserGroupID(t.Value))
		if err != nil {
			return errors.New("invalid user group " + t.Value)
		}
		// check if group belongs to this network
		netGrps := GetUserGroupsInNetwork(a.NetworkID)
		if _, ok := netGrps[models.UserGroupID(t.Value)]; !ok {
			return errors.New("invalid user group " + t.Value)
		}
	default:
		return errors.New("invalid policy")
	}
	return nil
}

// IsAclPolicyValid - validates if acl policy is valid
func IsAclPolicyValid(acl models.Acl) (err error) {
	//check if src and dst are valid
	if acl.AllowedDirection != models.TrafficDirectionBi &&
		acl.AllowedDirection != models.TrafficDirectionUni {
		return errors.New("invalid traffic direction")
	}
	switch acl.RuleType {
	case models.UserPolicy:
		// src list should only contain users
		for _, srcI := range acl.Src {

			if srcI.Value == "*" {
				continue
			}
			// check if user group is valid
			if err = checkIfAclTagisValid(acl, srcI, true); err != nil {
				return
			}
		}
		for _, dstI := range acl.Dst {

			if dstI.Value == "*" {
				continue
			}

			// check if user group is valid
			if err = checkIfAclTagisValid(acl, dstI, false); err != nil {
				return
			}
		}
	case models.DevicePolicy:
		for _, srcI := range acl.Src {
			if srcI.Value == "*" {
				continue
			}
			// check if user group is valid
			if err = checkIfAclTagisValid(acl, srcI, true); err != nil {
				return err
			}
		}
		for _, dstI := range acl.Dst {

			if dstI.Value == "*" {
				continue
			}
			// check if user group is valid
			if err = checkIfAclTagisValid(acl, dstI, false); err != nil {
				return
			}
		}
	}
	return nil
}

// ListUserPolicies - lists all acl policies enforced on an user
func ListUserPolicies(u models.User) []models.Acl {
	allAcls := logic.ListAcls()
	userAcls := []models.Acl{}
	for _, acl := range allAcls {

		if acl.RuleType == models.UserPolicy {
			srcMap := logic.ConvAclTagToValueMap(acl.Src)
			if _, ok := srcMap[u.UserName]; ok {
				userAcls = append(userAcls, acl)
			} else {
				// check for user groups
				for gID := range u.UserGroups {
					if _, ok := srcMap[gID.String()]; ok {
						userAcls = append(userAcls, acl)
						break
					}
				}
			}

		}
	}
	return userAcls
}

// listPoliciesOfUser - lists all user acl policies applied to user in an network
func listPoliciesOfUser(user models.User, netID models.NetworkID) []models.Acl {
	allAcls := logic.ListAcls()
	userAcls := []models.Acl{}
	for _, acl := range allAcls {
		if acl.NetworkID == netID && acl.RuleType == models.UserPolicy {
			srcMap := logic.ConvAclTagToValueMap(acl.Src)
			if _, ok := srcMap[user.UserName]; ok {
				userAcls = append(userAcls, acl)
				continue
			}
			for netRole := range user.NetworkRoles {
				if _, ok := srcMap[netRole.String()]; ok {
					userAcls = append(userAcls, acl)
					continue
				}
			}
			for userG := range user.UserGroups {
				if _, ok := srcMap[userG.String()]; ok {
					userAcls = append(userAcls, acl)
					continue
				}
			}

		}
	}
	return userAcls
}

// listUserPolicies - lists all user policies in a network
func listUserPolicies(netID models.NetworkID) []models.Acl {
	allAcls := logic.ListAcls()
	deviceAcls := []models.Acl{}
	for _, acl := range allAcls {
		if acl.NetworkID == netID && acl.RuleType == models.UserPolicy {
			deviceAcls = append(deviceAcls, acl)
		}
	}
	return deviceAcls
}

// IsUserAllowedToCommunicate - check if user is allowed to communicate with peer
func IsUserAllowedToCommunicate(userName string, peer models.Node) (bool, []models.Acl) {
	var peerId string
	if peer.IsStatic {
		peerId = peer.StaticNode.ClientID
		peer = peer.StaticNode.ConvertToStaticNode()
	} else {
		peerId = peer.ID.String()
	}

	var peerTags map[models.TagID]struct{}
	if peer.Mutex != nil {
		peer.Mutex.Lock()
		peerTags = maps.Clone(peer.Tags)
		peer.Mutex.Unlock()
	} else {
		peerTags = peer.Tags
	}
	if peerTags == nil {
		peerTags = make(map[models.TagID]struct{})
	}
	peerTags[models.TagID(peerId)] = struct{}{}
	peerTags[models.TagID("*")] = struct{}{}
	acl, _ := logic.GetDefaultPolicy(models.NetworkID(peer.Network), models.UserPolicy)
	if acl.Enabled {
		return true, []models.Acl{acl}
	}
	user, err := logic.GetUser(userName)
	if err != nil {
		return false, []models.Acl{}
	}
	allowedPolicies := []models.Acl{}
	policies := listPoliciesOfUser(*user, models.NetworkID(peer.Network))
	for _, policy := range policies {
		if !policy.Enabled {
			continue
		}
		dstMap := logic.ConvAclTagToValueMap(policy.Dst)
		for _, dst := range policy.Dst {
			if dst.ID == models.EgressID {
				e := schema.Egress{ID: dst.Value}
				err := e.Get(db.WithContext(context.TODO()))
				if err == nil && e.Status {
					for nodeID := range e.Nodes {
						dstMap[nodeID] = struct{}{}
					}
				}
			}
		}
		if _, ok := dstMap["*"]; ok {
			allowedPolicies = append(allowedPolicies, policy)
			continue
		}
		if _, ok := dstMap[peer.ID.String()]; ok {
			allowedPolicies = append(allowedPolicies, policy)
			continue
		}
		for tagID := range peerTags {
			if _, ok := dstMap[tagID.String()]; ok {
				allowedPolicies = append(allowedPolicies, policy)
				break
			}
		}

	}
	if len(allowedPolicies) > 0 {
		return true, allowedPolicies
	}
	return false, []models.Acl{}
}

// IsPeerAllowed - checks if peer needs to be added to the interface
func IsPeerAllowed(node, peer models.Node, checkDefaultPolicy bool) bool {
	var nodeId, peerId string
	// if peer.IsFailOver && node.FailedOverBy != uuid.Nil && node.FailedOverBy == peer.ID {
	// 	return true
	// }
	// if node.IsFailOver && peer.FailedOverBy != uuid.Nil && peer.FailedOverBy == node.ID {
	// 	return true
	// }
	// if node.IsGw && peer.IsRelayed && peer.RelayedBy == node.ID.String() {
	// 	return true
	// }
	// if peer.IsGw && node.IsRelayed && node.RelayedBy == peer.ID.String() {
	// 	return true
	// }
	if node.IsStatic {
		nodeId = node.StaticNode.ClientID
		node = node.StaticNode.ConvertToStaticNode()
	} else {
		nodeId = node.ID.String()
	}
	if peer.IsStatic {
		peerId = peer.StaticNode.ClientID
		peer = peer.StaticNode.ConvertToStaticNode()
	} else {
		peerId = peer.ID.String()
	}

	var nodeTags, peerTags map[models.TagID]struct{}
	if node.Mutex != nil {
		node.Mutex.Lock()
		nodeTags = maps.Clone(node.Tags)
		node.Mutex.Unlock()
	} else {
		nodeTags = node.Tags
	}
	if peer.Mutex != nil {
		peer.Mutex.Lock()
		peerTags = maps.Clone(peer.Tags)
		peer.Mutex.Unlock()
	} else {
		peerTags = peer.Tags
	}
	if nodeTags == nil {
		nodeTags = make(map[models.TagID]struct{})
	}
	if peerTags == nil {
		peerTags = make(map[models.TagID]struct{})
	}
	nodeTags[models.TagID(nodeId)] = struct{}{}
	peerTags[models.TagID(peerId)] = struct{}{}
	if checkDefaultPolicy {
		// check default policy if all allowed return true
		defaultPolicy, err := logic.GetDefaultPolicy(models.NetworkID(node.Network), models.DevicePolicy)
		if err == nil {
			if defaultPolicy.Enabled {
				return true
			}
		}

	}
	// list device policies
	policies := logic.ListDevicePolicies(models.NetworkID(peer.Network))
	srcMap := make(map[string]struct{})
	dstMap := make(map[string]struct{})
	defer func() {
		srcMap = nil
		dstMap = nil
	}()
	for _, policy := range policies {
		if !policy.Enabled {
			continue
		}

		srcMap = logic.ConvAclTagToValueMap(policy.Src)
		dstMap = logic.ConvAclTagToValueMap(policy.Dst)
		for _, dst := range policy.Dst {
			if dst.ID == models.EgressID {
				e := schema.Egress{ID: dst.Value}
				err := e.Get(db.WithContext(context.TODO()))
				if err == nil && e.Status {
					for nodeID := range e.Nodes {
						dstMap[nodeID] = struct{}{}
					}
				}
			}
		}
		if logic.CheckTagGroupPolicy(srcMap, dstMap, node, peer, nodeTags, peerTags) {
			return true
		}

	}
	return false
}

func RemoveUserFromAclPolicy(userName string) {
	acls := logic.ListAcls()
	for _, acl := range acls {
		delete := false
		update := false
		if acl.RuleType == models.UserPolicy {
			for i := len(acl.Src) - 1; i >= 0; i-- {
				if acl.Src[i].ID == models.UserAclID && acl.Src[i].Value == userName {
					if len(acl.Src) == 1 {
						// delete policy
						delete = true
						break
					} else {
						acl.Src = append(acl.Src[:i], acl.Src[i+1:]...)
						update = true
					}
				}
			}
			if delete {
				logic.DeleteAcl(acl)
				continue
			}
			if update {
				logic.UpsertAcl(acl)
			}
		}
	}
}

// IsNodeAllowedToCommunicate - check node is allowed to communicate with the peer // ADD ALLOWED DIRECTION - 0 => node -> peer, 1 => peer-> node,
func IsNodeAllowedToCommunicate(node, peer models.Node, checkDefaultPolicy bool) (bool, []models.Acl) {
	var nodeId, peerId string
	// if peer.IsFailOver && node.FailedOverBy != uuid.Nil && node.FailedOverBy == peer.ID {
	// 	return true, []models.Acl{}
	// }
	// if node.IsFailOver && peer.FailedOverBy != uuid.Nil && peer.FailedOverBy == node.ID {
	// 	return true, []models.Acl{}
	// }
	// if node.IsGw && peer.IsRelayed && peer.RelayedBy == node.ID.String() {
	// 	return true, []models.Acl{}
	// }
	// if peer.IsGw && node.IsRelayed && node.RelayedBy == peer.ID.String() {
	// 	return true, []models.Acl{}
	// }
	if node.IsStatic {
		nodeId = node.StaticNode.ClientID
		node = node.StaticNode.ConvertToStaticNode()
	} else {
		nodeId = node.ID.String()
	}
	if peer.IsStatic {
		peerId = peer.StaticNode.ClientID
		peer = peer.StaticNode.ConvertToStaticNode()
	} else {
		peerId = peer.ID.String()
	}

	var nodeTags, peerTags map[models.TagID]struct{}
	if node.Mutex != nil {
		node.Mutex.Lock()
		nodeTags = maps.Clone(node.Tags)
		node.Mutex.Unlock()
	} else {
		nodeTags = node.Tags
	}
	if peer.Mutex != nil {
		peer.Mutex.Lock()
		peerTags = maps.Clone(peer.Tags)
		peer.Mutex.Unlock()
	} else {
		peerTags = peer.Tags
	}
	if nodeTags == nil {
		nodeTags = make(map[models.TagID]struct{})
	}
	if peerTags == nil {
		peerTags = make(map[models.TagID]struct{})
	}
	nodeTags[models.TagID(nodeId)] = struct{}{}
	peerTags[models.TagID(peerId)] = struct{}{}
	if checkDefaultPolicy {
		// check default policy if all allowed return true
		defaultPolicy, err := logic.GetDefaultPolicy(models.NetworkID(node.Network), models.DevicePolicy)
		if err == nil {
			if defaultPolicy.Enabled {
				return true, []models.Acl{defaultPolicy}
			}
		}
	}
	allowedPolicies := []models.Acl{}
	defer func() {
		allowedPolicies = logic.UniquePolicies(allowedPolicies)
	}()
	// list device policies
	policies := logic.ListDevicePolicies(models.NetworkID(peer.Network))
	srcMap := make(map[string]struct{})
	dstMap := make(map[string]struct{})
	defer func() {
		srcMap = nil
		dstMap = nil
	}()
	for _, policy := range policies {
		if !policy.Enabled {
			continue
		}
		allowed := false
		srcMap = logic.ConvAclTagToValueMap(policy.Src)
		dstMap = logic.ConvAclTagToValueMap(policy.Dst)
		for _, dst := range policy.Dst {
			if dst.ID == models.EgressID {
				e := schema.Egress{ID: dst.Value}
				err := e.Get(db.WithContext(context.TODO()))
				if err == nil && e.Status {
					for nodeID := range e.Nodes {
						dstMap[nodeID] = struct{}{}
					}
				}
			}
		}
		_, srcAll := srcMap["*"]
		_, dstAll := dstMap["*"]
		if policy.AllowedDirection == models.TrafficDirectionBi {
			if _, ok := srcMap[nodeId]; ok || srcAll {
				if _, ok := dstMap[peerId]; ok || dstAll {
					allowedPolicies = append(allowedPolicies, policy)
					continue
				}

			}
			if _, ok := dstMap[nodeId]; ok || dstAll {
				if _, ok := srcMap[peerId]; ok || srcAll {
					allowedPolicies = append(allowedPolicies, policy)
					continue
				}
			}
		}
		if _, ok := dstMap[peerId]; ok || dstAll {
			if _, ok := srcMap[nodeId]; ok || srcAll {
				allowedPolicies = append(allowedPolicies, policy)
				continue
			}
		}
		if policy.AllowedDirection == models.TrafficDirectionBi {

			for tagID := range nodeTags {

				if _, ok := dstMap[tagID.String()]; ok || dstAll {
					if srcAll {
						allowed = true
						break
					}
					for tagID := range peerTags {
						if _, ok := srcMap[tagID.String()]; ok {
							allowed = true
							break
						}
					}
				}
				if allowed {
					allowedPolicies = append(allowedPolicies, policy)
					break
				}
				if _, ok := srcMap[tagID.String()]; ok || srcAll {
					if dstAll {
						allowed = true
						break
					}
					for tagID := range peerTags {
						if _, ok := dstMap[tagID.String()]; ok {
							allowed = true
							break
						}
					}
				}
				if allowed {
					break
				}
			}
			if allowed {
				allowedPolicies = append(allowedPolicies, policy)
				continue
			}
		}
		for tagID := range peerTags {
			if _, ok := dstMap[tagID.String()]; ok || dstAll {
				if srcAll {
					allowed = true
					break
				}
				for tagID := range nodeTags {
					if _, ok := srcMap[tagID.String()]; ok {
						allowed = true
						break
					}
				}
			}
			if allowed {
				break
			}
		}
		if allowed {
			allowedPolicies = append(allowedPolicies, policy)
		}
	}

	if len(allowedPolicies) > 0 {
		return true, allowedPolicies
	}
	return false, allowedPolicies
}

// UpdateDeviceTag - updates device tag on acl policies
func UpdateDeviceTag(OldID, newID models.TagID, netID models.NetworkID) {
	acls := logic.ListDevicePolicies(netID)
	update := false
	for _, acl := range acls {
		for i, srcTagI := range acl.Src {
			if srcTagI.ID == models.NodeTagID {
				if OldID.String() == srcTagI.Value {
					acl.Src[i].Value = newID.String()
					update = true
				}
			}
		}
		for i, dstTagI := range acl.Dst {
			if dstTagI.ID == models.NodeTagID {
				if OldID.String() == dstTagI.Value {
					acl.Dst[i].Value = newID.String()
					update = true
				}
			}
		}
		if update {
			logic.UpsertAcl(acl)
		}
	}
}

func CheckIfTagAsActivePolicy(tagID models.TagID, netID models.NetworkID) bool {
	acls := logic.ListDevicePolicies(netID)
	for _, acl := range acls {
		for _, srcTagI := range acl.Src {
			if srcTagI.ID == models.NodeTagID {
				if tagID.String() == srcTagI.Value {
					return true
				}
			}
		}
		for _, dstTagI := range acl.Dst {
			if dstTagI.ID == models.NodeTagID {
				if tagID.String() == dstTagI.Value {
					return true
				}
			}
		}
	}
	return false
}

// RemoveDeviceTagFromAclPolicies - remove device tag from acl policies
func RemoveDeviceTagFromAclPolicies(tagID models.TagID, netID models.NetworkID) error {
	acls := logic.ListDevicePolicies(netID)
	update := false
	for _, acl := range acls {
		for i := len(acl.Src) - 1; i >= 0; i-- {
			if acl.Src[i].ID == models.NodeTagID {
				if tagID.String() == acl.Src[i].Value {
					acl.Src = append(acl.Src[:i], acl.Src[i+1:]...)
					update = true
				}
			}
		}
		for i := len(acl.Dst) - 1; i >= 0; i-- {
			if acl.Dst[i].ID == models.NodeTagID {
				if tagID.String() == acl.Dst[i].Value {
					acl.Dst = append(acl.Dst[:i], acl.Dst[i+1:]...)
					update = true
				}
			}
		}
		if update {
			logic.UpsertAcl(acl)
		}
	}
	return nil
}

func getEgressUserRulesForNode(targetnode *models.Node,
	rules map[string]models.AclRule) map[string]models.AclRule {
	userNodes := logic.GetStaticUserNodesByNetwork(models.NetworkID(targetnode.Network))
	userGrpMap := GetUserGrpMap()
	allowedUsers := make(map[string][]models.Acl)
	acls := listUserPolicies(models.NetworkID(targetnode.Network))
	var targetNodeTags = make(map[models.TagID]struct{})
	targetNodeTags["*"] = struct{}{}
	egs, _ := (&schema.Egress{Network: targetnode.Network}).ListByNetwork(db.WithContext(context.TODO()))
	if len(egs) == 0 {
		return rules
	}
	for _, egI := range egs {
		if !egI.Status {
			continue
		}
		if _, ok := egI.Nodes[targetnode.ID.String()]; ok {
			targetNodeTags[models.TagID(egI.Range)] = struct{}{}
			targetNodeTags[models.TagID(egI.ID)] = struct{}{}
		}
	}
	for _, acl := range acls {
		if !acl.Enabled {
			continue
		}
		dstTags := logic.ConvAclTagToValueMap(acl.Dst)
		for _, dst := range acl.Dst {
			if dst.ID == models.EgressID {
				e := schema.Egress{ID: dst.Value}
				err := e.Get(db.WithContext(context.TODO()))
				if err == nil && e.Status {
					for nodeID := range e.Nodes {
						dstTags[nodeID] = struct{}{}
					}
					dstTags[e.Range] = struct{}{}
				}
			}
		}
		_, all := dstTags["*"]
		addUsers := false
		if !all {
			for nodeTag := range targetNodeTags {
				if _, ok := dstTags[nodeTag.String()]; ok {
					addUsers = true
					break
				}
			}
		} else {
			addUsers = true
		}

		if addUsers {
			// get all src tags
			for _, srcAcl := range acl.Src {
				if srcAcl.ID == models.UserAclID {
					allowedUsers[srcAcl.Value] = append(allowedUsers[srcAcl.Value], acl)
				} else if srcAcl.ID == models.UserGroupAclID {
					// fetch all users in the group
					if usersMap, ok := userGrpMap[models.UserGroupID(srcAcl.Value)]; ok {
						for userName := range usersMap {
							allowedUsers[userName] = append(allowedUsers[userName], acl)
						}
					}
				}
			}
		}

	}

	for _, userNode := range userNodes {
		if !userNode.StaticNode.Enabled {
			continue
		}
		acls, ok := allowedUsers[userNode.StaticNode.OwnerID]
		if !ok {
			continue
		}
		for _, acl := range acls {

			if !acl.Enabled {
				continue
			}
			r := models.AclRule{
				ID:              acl.ID,
				AllowedProtocol: acl.Proto,
				AllowedPorts:    acl.Port,
				Direction:       acl.AllowedDirection,
				Allowed:         true,
			}
			// Get peers in the tags and add allowed rules
			if userNode.StaticNode.Address != "" {
				r.IPList = append(r.IPList, userNode.StaticNode.AddressIPNet4())
			}
			if userNode.StaticNode.Address6 != "" {
				r.IP6List = append(r.IP6List, userNode.StaticNode.AddressIPNet6())
			}
			for _, dstI := range acl.Dst {
				if dstI.ID == models.EgressID {
					e := schema.Egress{ID: dstI.Value}
					err := e.Get(db.WithContext(context.TODO()))
					if err != nil {
						continue
					}

					ip, cidr, err := net.ParseCIDR(e.Range)
					if err == nil {
						if ip.To4() != nil {
							r.Dst = append(r.Dst, *cidr)
						} else {
							r.Dst6 = append(r.Dst6, *cidr)
						}

					}

				}

			}
			if aclRule, ok := rules[acl.ID]; ok {
				aclRule.IPList = append(aclRule.IPList, r.IPList...)
				aclRule.IP6List = append(aclRule.IP6List, r.IP6List...)
				rules[acl.ID] = aclRule
			} else {
				rules[acl.ID] = r
			}
		}
	}
	return rules
}

func getUserAclRulesForNode(targetnode *models.Node,
	rules map[string]models.AclRule) map[string]models.AclRule {
	userNodes := logic.GetStaticUserNodesByNetwork(models.NetworkID(targetnode.Network))
	userGrpMap := GetUserGrpMap()
	allowedUsers := make(map[string][]models.Acl)
	acls := listUserPolicies(models.NetworkID(targetnode.Network))
	var targetNodeTags = make(map[models.TagID]struct{})
	if targetnode.Mutex != nil {
		targetnode.Mutex.Lock()
		targetNodeTags = maps.Clone(targetnode.Tags)
		targetnode.Mutex.Unlock()
	} else {
		targetNodeTags = maps.Clone(targetnode.Tags)
	}
	if targetNodeTags == nil {
		targetNodeTags = make(map[models.TagID]struct{})
	}
	targetNodeTags[models.TagID(targetnode.ID.String())] = struct{}{}
	for _, acl := range acls {
		if !acl.Enabled {
			continue
		}
		dstTags := logic.ConvAclTagToValueMap(acl.Dst)
		_, all := dstTags["*"]
		addUsers := false
		if !all {
			for nodeTag := range targetNodeTags {
				if _, ok := dstTags[nodeTag.String()]; ok {
					addUsers = true
					break
				}
			}
		} else {
			addUsers = true
		}

		if addUsers {
			// get all src tags
			for _, srcAcl := range acl.Src {
				if srcAcl.ID == models.UserAclID {
					allowedUsers[srcAcl.Value] = append(allowedUsers[srcAcl.Value], acl)
				} else if srcAcl.ID == models.UserGroupAclID {
					// fetch all users in the group
					if usersMap, ok := userGrpMap[models.UserGroupID(srcAcl.Value)]; ok {
						for userName := range usersMap {
							allowedUsers[userName] = append(allowedUsers[userName], acl)
						}
					}
				}
			}
		}

	}

	for _, userNode := range userNodes {
		if !userNode.StaticNode.Enabled {
			continue
		}
		acls, ok := allowedUsers[userNode.StaticNode.OwnerID]
		if !ok {
			continue
		}
		for _, acl := range acls {

			if !acl.Enabled {
				continue
			}
			r := models.AclRule{
				ID:              acl.ID,
				AllowedProtocol: acl.Proto,
				AllowedPorts:    acl.Port,
				Direction:       acl.AllowedDirection,
				Allowed:         true,
			}
			// Get peers in the tags and add allowed rules
			if userNode.StaticNode.Address != "" {
				r.IPList = append(r.IPList, userNode.StaticNode.AddressIPNet4())
			}
			if userNode.StaticNode.Address6 != "" {
				r.IP6List = append(r.IP6List, userNode.StaticNode.AddressIPNet6())
			}
			if aclRule, ok := rules[acl.ID]; ok {
				aclRule.IPList = append(aclRule.IPList, r.IPList...)
				aclRule.IP6List = append(aclRule.IP6List, r.IP6List...)
				aclRule.IPList = logic.UniqueIPNetList(aclRule.IPList)
				aclRule.IP6List = logic.UniqueIPNetList(aclRule.IP6List)
				rules[acl.ID] = aclRule
			} else {
				r.IPList = logic.UniqueIPNetList(r.IPList)
				r.IP6List = logic.UniqueIPNetList(r.IP6List)
				rules[acl.ID] = r
			}
		}
	}
	return rules
}

func CheckIfAnyActiveEgressPolicy(targetNode models.Node, acls []models.Acl) bool {
	if !targetNode.EgressDetails.IsEgressGateway {
		return false
	}
	var targetNodeTags = make(map[models.TagID]struct{})
	if targetNode.Mutex != nil {
		targetNode.Mutex.Lock()
		targetNodeTags = maps.Clone(targetNode.Tags)
		targetNode.Mutex.Unlock()
	} else {
		targetNodeTags = maps.Clone(targetNode.Tags)
	}
	if targetNodeTags == nil {
		targetNodeTags = make(map[models.TagID]struct{})
	}
	targetNodeTags[models.TagID(targetNode.ID.String())] = struct{}{}
	targetNodeTags["*"] = struct{}{}
	for _, acl := range acls {
		if !acl.Enabled {
			continue
		}
		srcTags := logic.ConvAclTagToValueMap(acl.Src)
		for _, dst := range acl.Dst {
			if dst.ID == models.EgressID {
				e := schema.Egress{ID: dst.Value}
				err := e.Get(db.WithContext(context.TODO()))
				if err == nil && e.Status {
					for nodeTag := range targetNodeTags {
						if _, ok := srcTags[nodeTag.String()]; ok {
							return true
						}
						if _, ok := srcTags[targetNode.ID.String()]; ok {
							return true
						}
					}
				}
			}
		}
	}
	return false
}

func CheckIfAnyPolicyisUniDirectional(targetNode models.Node, acls []models.Acl) bool {
	var targetNodeTags = make(map[models.TagID]struct{})
	if targetNode.Mutex != nil {
		targetNode.Mutex.Lock()
		targetNodeTags = maps.Clone(targetNode.Tags)
		targetNode.Mutex.Unlock()
	} else {
		targetNodeTags = maps.Clone(targetNode.Tags)
	}
	if targetNodeTags == nil {
		targetNodeTags = make(map[models.TagID]struct{})
	}
	targetNodeTags[models.TagID(targetNode.ID.String())] = struct{}{}
	targetNodeTags["*"] = struct{}{}
	for _, acl := range acls {
		if !acl.Enabled {
			continue
		}
		if acl.AllowedDirection == models.TrafficDirectionBi && acl.Proto == models.ALL && acl.ServiceType == models.Any {
			continue
		}
		if acl.Proto != models.ALL || acl.ServiceType != models.Any {
			return true
		}
		srcTags := logic.ConvAclTagToValueMap(acl.Src)
		dstTags := logic.ConvAclTagToValueMap(acl.Dst)
		for nodeTag := range targetNodeTags {
			if acl.RuleType == models.DevicePolicy {
				if _, ok := srcTags[nodeTag.String()]; ok {
					return true
				}
				if _, ok := srcTags[targetNode.ID.String()]; ok {
					return true
				}
			}

			if _, ok := dstTags[nodeTag.String()]; ok {
				return true
			}
			if _, ok := dstTags[targetNode.ID.String()]; ok {
				return true
			}
		}
	}
	return false
}

func GetAclRulesForNode(targetnodeI *models.Node) (rules map[string]models.AclRule) {
	targetnode := *targetnodeI
	defer func() {
		if !targetnode.IsIngressGateway {
			rules = getUserAclRulesForNode(&targetnode, rules)
		}
	}()
	rules = make(map[string]models.AclRule)
	var taggedNodes map[models.TagID][]models.Node
	if targetnode.IsIngressGateway {
		taggedNodes = GetTagMapWithNodesByNetwork(models.NetworkID(targetnode.Network), false)
	} else {
		taggedNodes = GetTagMapWithNodesByNetwork(models.NetworkID(targetnode.Network), true)
	}
	acls := logic.ListDevicePolicies(models.NetworkID(targetnode.Network))
	var targetNodeTags = make(map[models.TagID]struct{})
	if targetnode.Mutex != nil {
		targetnode.Mutex.Lock()
		targetNodeTags = maps.Clone(targetnode.Tags)
		targetnode.Mutex.Unlock()
	} else {
		targetNodeTags = maps.Clone(targetnode.Tags)
	}
	if targetNodeTags == nil {
		targetNodeTags = make(map[models.TagID]struct{})
	}
	targetNodeTags[models.TagID(targetnode.ID.String())] = struct{}{}
	targetNodeTags["*"] = struct{}{}
	for _, acl := range acls {
		if !acl.Enabled {
			continue
		}
		srcTags := logic.ConvAclTagToValueMap(acl.Src)
		dstTags := logic.ConvAclTagToValueMap(acl.Dst)
		for _, dst := range acl.Dst {
			if dst.ID == models.EgressID {
				e := schema.Egress{ID: dst.Value}
				err := e.Get(db.WithContext(context.TODO()))
				if err == nil && e.Status {
					for nodeID := range e.Nodes {
						dstTags[nodeID] = struct{}{}
					}
				}
			}
		}
		_, srcAll := srcTags["*"]
		_, dstAll := dstTags["*"]
		aclRule := models.AclRule{
			ID:              acl.ID,
			AllowedProtocol: acl.Proto,
			AllowedPorts:    acl.Port,
			Direction:       acl.AllowedDirection,
			Allowed:         true,
		}
		for nodeTag := range targetNodeTags {
			if acl.AllowedDirection == models.TrafficDirectionBi {
				var existsInSrcTag bool
				var existsInDstTag bool

				if _, ok := srcTags[nodeTag.String()]; ok || srcAll {
					existsInSrcTag = true
				}
				if _, ok := srcTags[targetnode.ID.String()]; ok || srcAll {
					existsInSrcTag = true
				}
				if _, ok := dstTags[nodeTag.String()]; ok || dstAll {
					existsInDstTag = true
				}
				if _, ok := dstTags[targetnode.ID.String()]; ok || dstAll {
					existsInDstTag = true
				}

				if existsInSrcTag /* && !existsInDstTag*/ {
					// get all dst tags
					for dst := range dstTags {
						if dst == nodeTag.String() {
							continue
						}
						// Get peers in the tags and add allowed rules
						nodes := taggedNodes[models.TagID(dst)]
						if dst != targetnode.ID.String() {
							node, err := logic.GetNodeByID(dst)
							if err == nil {
								nodes = append(nodes, node)
							}
						}

						for _, node := range nodes {
							if node.ID == targetnode.ID {
								continue
							}
							if node.IsStatic && node.StaticNode.IngressGatewayID == targetnode.ID.String() {
								continue
							}
							if node.Address.IP != nil {
								aclRule.IPList = append(aclRule.IPList, node.AddressIPNet4())
							}
							if node.Address6.IP != nil {
								aclRule.IP6List = append(aclRule.IP6List, node.AddressIPNet6())
							}
							if node.IsStatic && node.StaticNode.Address != "" {
								aclRule.IPList = append(aclRule.IPList, node.StaticNode.AddressIPNet4())
							}
							if node.IsStatic && node.StaticNode.Address6 != "" {
								aclRule.IP6List = append(aclRule.IP6List, node.StaticNode.AddressIPNet6())
							}
						}
					}
				}
				if existsInDstTag /*&& !existsInSrcTag*/ {
					// get all src tags
					for src := range srcTags {
						if src == nodeTag.String() {
							continue
						}
						// Get peers in the tags and add allowed rules
						nodes := taggedNodes[models.TagID(src)]
						if src != targetnode.ID.String() {
							node, err := logic.GetNodeByID(src)
							if err == nil {
								nodes = append(nodes, node)
							}
						}
						for _, node := range nodes {
							if node.ID == targetnode.ID {
								continue
							}
							if node.IsStatic && node.StaticNode.IngressGatewayID == targetnode.ID.String() {
								continue
							}
							if node.Address.IP != nil {
								aclRule.IPList = append(aclRule.IPList, node.AddressIPNet4())
							}
							if node.Address6.IP != nil {
								aclRule.IP6List = append(aclRule.IP6List, node.AddressIPNet6())
							}
							if node.IsStatic && node.StaticNode.Address != "" {
								aclRule.IPList = append(aclRule.IPList, node.StaticNode.AddressIPNet4())
							}
							if node.IsStatic && node.StaticNode.Address6 != "" {
								aclRule.IP6List = append(aclRule.IP6List, node.StaticNode.AddressIPNet6())
							}
						}
					}
				}
				// if existsInDstTag && existsInSrcTag {
				// 	nodes := taggedNodes[nodeTag]
				// 	for srcID := range srcTags {
				// 		if srcID == targetnode.ID.String() {
				// 			continue
				// 		}
				// 		node, err := GetNodeByID(srcID)
				// 		if err == nil {
				// 			nodes = append(nodes, node)
				// 		}
				// 	}
				// 	for dstID := range dstTags {
				// 		if dstID == targetnode.ID.String() {
				// 			continue
				// 		}
				// 		node, err := GetNodeByID(dstID)
				// 		if err == nil {
				// 			nodes = append(nodes, node)
				// 		}
				// 	}
				// 	for _, node := range nodes {
				// 		if node.ID == targetnode.ID {
				// 			continue
				// 		}
				// 		if node.IsStatic && node.StaticNode.IngressGatewayID == targetnode.ID.String() {
				// 			continue
				// 		}
				// 		if node.Address.IP != nil {
				// 			aclRule.IPList = append(aclRule.IPList, node.AddressIPNet4())
				// 		}
				// 		if node.Address6.IP != nil {
				// 			aclRule.IP6List = append(aclRule.IP6List, node.AddressIPNet6())
				// 		}
				// 		if node.IsStatic && node.StaticNode.Address != "" {
				// 			aclRule.IPList = append(aclRule.IPList, node.StaticNode.AddressIPNet4())
				// 		}
				// 		if node.IsStatic && node.StaticNode.Address6 != "" {
				// 			aclRule.IP6List = append(aclRule.IP6List, node.StaticNode.AddressIPNet6())
				// 		}
				// 	}
				// }
			} else {
				_, all := dstTags["*"]
				if _, ok := dstTags[nodeTag.String()]; ok || all {
					// get all src tags
					for src := range srcTags {
						if src == nodeTag.String() {
							continue
						}
						// Get peers in the tags and add allowed rules
						nodes := taggedNodes[models.TagID(src)]
						for _, node := range nodes {
							if node.ID == targetnode.ID {
								continue
							}
							if node.IsStatic && node.StaticNode.IngressGatewayID == targetnode.ID.String() {
								continue
							}
							if node.Address.IP != nil {
								aclRule.IPList = append(aclRule.IPList, node.AddressIPNet4())
							}
							if node.Address6.IP != nil {
								aclRule.IP6List = append(aclRule.IP6List, node.AddressIPNet6())
							}
							if node.IsStatic && node.StaticNode.Address != "" {
								aclRule.IPList = append(aclRule.IPList, node.StaticNode.AddressIPNet4())
							}
							if node.IsStatic && node.StaticNode.Address6 != "" {
								aclRule.IP6List = append(aclRule.IP6List, node.StaticNode.AddressIPNet6())
							}
						}
					}
				}
			}

		}

		if len(aclRule.IPList) > 0 || len(aclRule.IP6List) > 0 {
			aclRule.IPList = logic.UniqueIPNetList(aclRule.IPList)
			aclRule.IP6List = logic.UniqueIPNetList(aclRule.IP6List)
			rules[acl.ID] = aclRule
		}
	}
	return rules
}

func GetAclRuleForInetGw(targetnode models.Node) (rules map[string]models.AclRule) {
	rules = make(map[string]models.AclRule)
	if targetnode.IsInternetGateway {
		aclRule := models.AclRule{
			ID:              fmt.Sprintf("%s-inet-gw-internal-rule", targetnode.ID.String()),
			AllowedProtocol: models.ALL,
			AllowedPorts:    []string{},
			Direction:       models.TrafficDirectionBi,
			Allowed:         true,
		}
		if targetnode.NetworkRange.IP != nil {
			aclRule.IPList = append(aclRule.IPList, targetnode.NetworkRange)
			_, allIpv4, _ := net.ParseCIDR(IPv4Network)
			aclRule.Dst = append(aclRule.Dst, *allIpv4)
		}
		if targetnode.NetworkRange6.IP != nil {
			aclRule.IP6List = append(aclRule.IP6List, targetnode.NetworkRange6)
			_, allIpv6, _ := net.ParseCIDR(IPv6Network)
			aclRule.Dst6 = append(aclRule.Dst6, *allIpv6)
		}
		rules[aclRule.ID] = aclRule
	}
	return
}

func GetEgressRulesForNode(targetnode models.Node) (rules map[string]models.AclRule) {
	rules = make(map[string]models.AclRule)
	defer func() {
		rules = getEgressUserRulesForNode(&targetnode, rules)
	}()
	taggedNodes := GetTagMapWithNodesByNetwork(models.NetworkID(targetnode.Network), true)

	acls := logic.ListDevicePolicies(models.NetworkID(targetnode.Network))
	var targetNodeTags = make(map[models.TagID]struct{})
	targetNodeTags["*"] = struct{}{}

	/*
		 if target node is egress gateway
			if acl policy has egress route and it is present in target node egress ranges
			fetch all the nodes in that policy and add rules
	*/

	egs, _ := (&schema.Egress{Network: targetnode.Network}).ListByNetwork(db.WithContext(context.TODO()))
	if len(egs) == 0 {
		return
	}
	for _, egI := range egs {
		if !egI.Status {
			continue
		}
		if _, ok := egI.Nodes[targetnode.ID.String()]; ok {
			targetNodeTags[models.TagID(egI.Range)] = struct{}{}
			targetNodeTags[models.TagID(egI.ID)] = struct{}{}
		}
	}
	for _, acl := range acls {
		if !acl.Enabled {
			continue
		}
		srcTags := logic.ConvAclTagToValueMap(acl.Src)
		dstTags := logic.ConvAclTagToValueMap(acl.Dst)
		_, srcAll := srcTags["*"]
		_, dstAll := dstTags["*"]
		aclRule := models.AclRule{
			ID:              acl.ID,
			AllowedProtocol: acl.Proto,
			AllowedPorts:    acl.Port,
			Direction:       acl.AllowedDirection,
			Allowed:         true,
		}
		for nodeTag := range targetNodeTags {

			if nodeTag != "*" {
				ip, cidr, err := net.ParseCIDR(nodeTag.String())
				if err == nil {
					if ip.To4() != nil {
						aclRule.Dst = append(aclRule.Dst, *cidr)
					} else {
						aclRule.Dst6 = append(aclRule.Dst6, *cidr)
					}
				}
			}
			if acl.AllowedDirection == models.TrafficDirectionBi {
				var existsInSrcTag bool
				var existsInDstTag bool
				if _, ok := srcTags[nodeTag.String()]; ok || srcAll {
					existsInSrcTag = true
				}
				if _, ok := dstTags[nodeTag.String()]; ok || dstAll {
					existsInDstTag = true
				}
				// if srcAll || dstAll {
				// 	if targetnode.NetworkRange.IP != nil {
				// 		aclRule.IPList = append(aclRule.IPList, targetnode.NetworkRange)
				// 	}
				// 	if targetnode.NetworkRange6.IP != nil {
				// 		aclRule.IP6List = append(aclRule.IP6List, targetnode.NetworkRange6)
				// 	}
				// 	break
				// }
				if existsInSrcTag && !existsInDstTag {
					// get all dst tags
					for dst := range dstTags {
						if dst == nodeTag.String() {
							continue
						}
						// Get peers in the tags and add allowed rules
						nodes := taggedNodes[models.TagID(dst)]
						if dst != targetnode.ID.String() {
							node, err := logic.GetNodeByID(dst)
							if err == nil {
								nodes = append(nodes, node)
							}
							extclient, err := logic.GetExtClient(dst, targetnode.Network)
							if err == nil {
								nodes = append(nodes, extclient.ConvertToStaticNode())
							}
						}

						for _, node := range nodes {
							if node.ID == targetnode.ID {
								continue
							}
							if node.Address.IP != nil {
								aclRule.IPList = append(aclRule.IPList, node.AddressIPNet4())
							}
							if node.Address6.IP != nil {
								aclRule.IP6List = append(aclRule.IP6List, node.AddressIPNet6())
							}
							if node.IsStatic && node.StaticNode.Address != "" {
								aclRule.IPList = append(aclRule.IPList, node.StaticNode.AddressIPNet4())
							}
							if node.IsStatic && node.StaticNode.Address6 != "" {
								aclRule.IP6List = append(aclRule.IP6List, node.StaticNode.AddressIPNet6())
							}
						}
					}
				}
				if existsInDstTag && !existsInSrcTag {
					// get all src tags
					for src := range srcTags {
						if src == nodeTag.String() {
							continue
						}
						// Get peers in the tags and add allowed rules
						nodes := taggedNodes[models.TagID(src)]
						if src != targetnode.ID.String() {
							node, err := logic.GetNodeByID(src)
							if err == nil {
								nodes = append(nodes, node)
							}
							extclient, err := logic.GetExtClient(src, targetnode.Network)
							if err == nil {
								nodes = append(nodes, extclient.ConvertToStaticNode())
							}
						}
						for _, node := range nodes {
							if node.ID == targetnode.ID {
								continue
							}
							if node.Address.IP != nil {
								aclRule.IPList = append(aclRule.IPList, node.AddressIPNet4())
							}
							if node.Address6.IP != nil {
								aclRule.IP6List = append(aclRule.IP6List, node.AddressIPNet6())
							}
							if node.IsStatic && node.StaticNode.Address != "" {
								aclRule.IPList = append(aclRule.IPList, node.StaticNode.AddressIPNet4())
							}
							if node.IsStatic && node.StaticNode.Address6 != "" {
								aclRule.IP6List = append(aclRule.IP6List, node.StaticNode.AddressIPNet6())
							}
						}
					}
				}
				if existsInDstTag && existsInSrcTag {
					nodes := taggedNodes[nodeTag]
					for srcID := range srcTags {
						if srcID == targetnode.ID.String() {
							continue
						}
						node, err := logic.GetNodeByID(srcID)
						if err == nil {
							nodes = append(nodes, node)
						}
						extclient, err := logic.GetExtClient(srcID, targetnode.Network)
						if err == nil {
							nodes = append(nodes, extclient.ConvertToStaticNode())
						}
					}
					for dstID := range dstTags {
						if dstID == targetnode.ID.String() {
							continue
						}
						node, err := logic.GetNodeByID(dstID)
						if err == nil {
							nodes = append(nodes, node)
						}
						extclient, err := logic.GetExtClient(dstID, targetnode.Network)
						if err == nil {
							nodes = append(nodes, extclient.ConvertToStaticNode())
						}
					}
					for _, node := range nodes {
						if node.ID == targetnode.ID {
							continue
						}
						if node.Address.IP != nil {
							aclRule.IPList = append(aclRule.IPList, node.AddressIPNet4())
						}
						if node.Address6.IP != nil {
							aclRule.IP6List = append(aclRule.IP6List, node.AddressIPNet6())
						}
						if node.IsStatic && node.StaticNode.Address != "" {
							aclRule.IPList = append(aclRule.IPList, node.StaticNode.AddressIPNet4())
						}
						if node.IsStatic && node.StaticNode.Address6 != "" {
							aclRule.IP6List = append(aclRule.IP6List, node.StaticNode.AddressIPNet6())
						}
					}
				}
			} else {
				if dstAll {
					if targetnode.NetworkRange.IP != nil {
						aclRule.IPList = append(aclRule.IPList, targetnode.NetworkRange)
					}
					if targetnode.NetworkRange6.IP != nil {
						aclRule.IP6List = append(aclRule.IP6List, targetnode.NetworkRange6)
					}
					break
				}
				if _, ok := dstTags[nodeTag.String()]; ok || dstAll {
					// get all src tags
					for src := range srcTags {
						if src == nodeTag.String() {
							continue
						}
						// Get peers in the tags and add allowed rules
						nodes := taggedNodes[models.TagID(src)]
						for _, node := range nodes {
							if node.ID == targetnode.ID {
								continue
							}
							if node.Address.IP != nil {
								aclRule.IPList = append(aclRule.IPList, node.AddressIPNet4())
							}
							if node.Address6.IP != nil {
								aclRule.IP6List = append(aclRule.IP6List, node.AddressIPNet6())
							}
							if node.IsStatic && node.StaticNode.Address != "" {
								aclRule.IPList = append(aclRule.IPList, node.StaticNode.AddressIPNet4())
							}
							if node.IsStatic && node.StaticNode.Address6 != "" {
								aclRule.IP6List = append(aclRule.IP6List, node.StaticNode.AddressIPNet6())
							}
						}
					}
				}
			}

		}
		if len(aclRule.IPList) > 0 || len(aclRule.IP6List) > 0 {
			aclRule.IPList = logic.UniqueIPNetList(aclRule.IPList)
			aclRule.IP6List = logic.UniqueIPNetList(aclRule.IP6List)
			rules[acl.ID] = aclRule
		}

	}

	return
}

func GetInetClientsFromAclPolicies(eID string) (inetClientIDs []string) {
	e := schema.Egress{ID: eID}
	err := e.Get(db.WithContext(context.TODO()))
	if err != nil || !e.Status {
		return
	}
	acls, _ := logic.ListAclsByNetwork(models.NetworkID(e.Network))
	for _, acl := range acls {
		for _, dstI := range acl.Dst {
			if dstI.ID == models.EgressID {
				if dstI.Value != eID {
					continue
				}
				for _, srcI := range acl.Src {
					if srcI.Value == "*" {
						continue
					}
					if srcI.ID == models.NodeID {
						inetClientIDs = append(inetClientIDs, srcI.Value)
					}
					if srcI.ID == models.NodeTagID {
						inetClientIDs = append(inetClientIDs, GetNodeIDsWithTag(models.TagID(srcI.Value))...)
					}
				}
			}
		}
	}
	return
}