netmaker/logic/acls.go
Abhishek K 689b9b6b52
NET-1941: failover signaling optimized, new endpoint for metrics peer info (#3322)
* optimise acl cache with network map

* fix mutex clash

* fix acl mutex

* add new endpoint for metrics peer info

* fix static check

* add new endpoint for metrics peer info

* fix host peer info api params

* cache failover data

* add json tag

* avoid duplicate calls to failover

* add failover check ctx

* add failover check ctx

* fix failover debug log

* optimise failover operations

* remove debug logs

* rm unused model

* rm unused model
2025-02-14 16:06:26 +04:00

1076 lines
27 KiB
Go

package logic
import (
"encoding/json"
"errors"
"fmt"
"maps"
"sort"
"sync"
"time"
"github.com/gravitl/netmaker/database"
"github.com/gravitl/netmaker/models"
"github.com/gravitl/netmaker/servercfg"
)
var (
aclCacheMutex = &sync.RWMutex{}
aclCacheMap = make(map[string]models.Acl)
)
func MigrateAclPolicies() {
acls := ListAcls()
for _, acl := range acls {
if acl.Proto.String() == "" {
acl.Proto = models.ALL
acl.ServiceType = models.Any
acl.Port = []string{}
UpsertAcl(acl)
}
}
}
// CreateDefaultAclNetworkPolicies - create default acl network policies
func CreateDefaultAclNetworkPolicies(netID models.NetworkID) {
if netID.String() == "" {
return
}
_, _ = ListAclsByNetwork(netID)
if !IsAclExists(fmt.Sprintf("%s.%s", netID, "all-nodes")) {
defaultDeviceAcl := models.Acl{
ID: fmt.Sprintf("%s.%s", netID, "all-nodes"),
Name: "All Nodes",
MetaData: "This Policy allows all nodes in the network to communicate with each other",
Default: true,
NetworkID: netID,
Proto: models.ALL,
ServiceType: models.Any,
Port: []string{},
RuleType: models.DevicePolicy,
Src: []models.AclPolicyTag{
{
ID: models.DeviceAclID,
Value: "*",
}},
Dst: []models.AclPolicyTag{
{
ID: models.DeviceAclID,
Value: "*",
}},
AllowedDirection: models.TrafficDirectionBi,
Enabled: true,
CreatedBy: "auto",
CreatedAt: time.Now().UTC(),
}
InsertAcl(defaultDeviceAcl)
}
if !IsAclExists(fmt.Sprintf("%s.%s", netID, "all-users")) {
defaultUserAcl := models.Acl{
ID: fmt.Sprintf("%s.%s", netID, "all-users"),
Default: true,
Name: "All Users",
MetaData: "This policy gives access to everything in the network for an user",
NetworkID: netID,
Proto: models.ALL,
ServiceType: models.Any,
Port: []string{},
RuleType: models.UserPolicy,
Src: []models.AclPolicyTag{
{
ID: models.UserAclID,
Value: "*",
},
},
Dst: []models.AclPolicyTag{{
ID: models.DeviceAclID,
Value: "*",
}},
AllowedDirection: models.TrafficDirectionUni,
Enabled: true,
CreatedBy: "auto",
CreatedAt: time.Now().UTC(),
}
InsertAcl(defaultUserAcl)
}
if !IsAclExists(fmt.Sprintf("%s.%s", netID, "all-remote-access-gws")) {
defaultUserAcl := models.Acl{
ID: fmt.Sprintf("%s.%s", netID, "all-remote-access-gws"),
Default: true,
Name: "All Remote Access Gateways",
NetworkID: netID,
Proto: models.ALL,
ServiceType: models.Any,
Port: []string{},
RuleType: models.DevicePolicy,
Src: []models.AclPolicyTag{
{
ID: models.DeviceAclID,
Value: fmt.Sprintf("%s.%s", netID, models.RemoteAccessTagName),
},
},
Dst: []models.AclPolicyTag{
{
ID: models.DeviceAclID,
Value: "*",
},
},
AllowedDirection: models.TrafficDirectionBi,
Enabled: true,
CreatedBy: "auto",
CreatedAt: time.Now().UTC(),
}
InsertAcl(defaultUserAcl)
}
CreateDefaultUserPolicies(netID)
}
// DeleteDefaultNetworkPolicies - deletes all default network acl policies
func DeleteDefaultNetworkPolicies(netId models.NetworkID) {
acls, _ := ListAclsByNetwork(netId)
for _, acl := range acls {
if acl.NetworkID == netId && acl.Default {
DeleteAcl(acl)
}
}
}
// ValidateCreateAclReq - validates create req for acl
func ValidateCreateAclReq(req models.Acl) error {
// check if acl network exists
_, err := GetNetwork(req.NetworkID.String())
if err != nil {
return errors.New("failed to get network details for " + req.NetworkID.String())
}
// err = CheckIDSyntax(req.Name)
// if err != nil {
// return err
// }
return nil
}
func listAclFromCache() (acls []models.Acl) {
aclCacheMutex.RLock()
defer aclCacheMutex.RUnlock()
for _, acl := range aclCacheMap {
acls = append(acls, acl)
}
return
}
func storeAclInCache(a models.Acl) {
aclCacheMutex.Lock()
defer aclCacheMutex.Unlock()
aclCacheMap[a.ID] = a
}
func removeAclFromCache(a models.Acl) {
aclCacheMutex.Lock()
defer aclCacheMutex.Unlock()
delete(aclCacheMap, a.ID)
}
func getAclFromCache(aID string) (a models.Acl, ok bool) {
aclCacheMutex.RLock()
defer aclCacheMutex.RUnlock()
a, ok = aclCacheMap[aID]
return
}
// InsertAcl - creates acl policy
func InsertAcl(a models.Acl) error {
d, err := json.Marshal(a)
if err != nil {
return err
}
err = database.Insert(a.ID, string(d), database.ACLS_TABLE_NAME)
if err == nil && servercfg.CacheEnabled() {
storeAclInCache(a)
}
return err
}
// GetAcl - gets acl info by id
func GetAcl(aID string) (models.Acl, error) {
a := models.Acl{}
if servercfg.CacheEnabled() {
var ok bool
a, ok = getAclFromCache(aID)
if ok {
return a, nil
}
}
d, err := database.FetchRecord(database.ACLS_TABLE_NAME, aID)
if err != nil {
return a, err
}
err = json.Unmarshal([]byte(d), &a)
if err != nil {
return a, err
}
if servercfg.CacheEnabled() {
storeAclInCache(a)
}
return a, nil
}
// IsAclExists - checks if acl exists
func IsAclExists(aclID string) bool {
_, err := GetAcl(aclID)
return err == nil
}
// IsAclPolicyValid - validates if acl policy is valid
func IsAclPolicyValid(acl models.Acl) bool {
//check if src and dst are valid
if acl.AllowedDirection != models.TrafficDirectionBi &&
acl.AllowedDirection != models.TrafficDirectionUni {
return false
}
switch acl.RuleType {
case models.UserPolicy:
// src list should only contain users
for _, srcI := range acl.Src {
if srcI.ID == "" || srcI.Value == "" {
return false
}
if srcI.Value == "*" {
continue
}
if srcI.ID != models.UserAclID && srcI.ID != models.UserGroupAclID {
return false
}
// check if user group is valid
if srcI.ID == models.UserAclID {
_, err := GetUser(srcI.Value)
if err != nil {
return false
}
} else if srcI.ID == models.UserGroupAclID {
err := IsGroupValid(models.UserGroupID(srcI.Value))
if err != nil {
return false
}
// check if group belongs to this network
netGrps := GetUserGroupsInNetwork(acl.NetworkID)
if _, ok := netGrps[models.UserGroupID(srcI.Value)]; !ok {
return false
}
}
}
for _, dstI := range acl.Dst {
if dstI.ID == "" || dstI.Value == "" {
return false
}
if dstI.ID != models.DeviceAclID {
return false
}
if dstI.Value == "*" {
continue
}
// check if tag is valid
_, err := GetTag(models.TagID(dstI.Value))
if err != nil {
return false
}
}
case models.DevicePolicy:
for _, srcI := range acl.Src {
if srcI.ID == "" || srcI.Value == "" {
return false
}
if srcI.ID != models.DeviceAclID {
return false
}
if srcI.Value == "*" {
continue
}
// check if tag is valid
_, err := GetTag(models.TagID(srcI.Value))
if err != nil {
return false
}
}
for _, dstI := range acl.Dst {
if dstI.ID == "" || dstI.Value == "" {
return false
}
if dstI.ID != models.DeviceAclID {
return false
}
if dstI.Value == "*" {
continue
}
// check if tag is valid
_, err := GetTag(models.TagID(dstI.Value))
if err != nil {
return false
}
}
}
return true
}
// UpdateAcl - updates allowed fields on acls and commits to DB
func UpdateAcl(newAcl, acl models.Acl) error {
if !acl.Default {
acl.Name = newAcl.Name
acl.Src = newAcl.Src
acl.Dst = newAcl.Dst
acl.AllowedDirection = newAcl.AllowedDirection
acl.Port = newAcl.Port
acl.Proto = newAcl.Proto
acl.ServiceType = newAcl.ServiceType
}
if newAcl.ServiceType == models.Any {
acl.Port = []string{}
acl.Proto = models.ALL
}
acl.Enabled = newAcl.Enabled
d, err := json.Marshal(acl)
if err != nil {
return err
}
err = database.Insert(acl.ID, string(d), database.ACLS_TABLE_NAME)
if err == nil && servercfg.CacheEnabled() {
storeAclInCache(acl)
}
return err
}
// UpsertAcl - upserts acl
func UpsertAcl(acl models.Acl) error {
d, err := json.Marshal(acl)
if err != nil {
return err
}
err = database.Insert(acl.ID, string(d), database.ACLS_TABLE_NAME)
if err == nil && servercfg.CacheEnabled() {
storeAclInCache(acl)
}
return err
}
// DeleteAcl - deletes acl policy
func DeleteAcl(a models.Acl) error {
err := database.DeleteRecord(database.ACLS_TABLE_NAME, a.ID)
if err == nil && servercfg.CacheEnabled() {
removeAclFromCache(a)
}
return err
}
// GetDefaultPolicy - fetches default policy in the network by ruleType
func GetDefaultPolicy(netID models.NetworkID, ruleType models.AclPolicyType) (models.Acl, error) {
aclID := "all-users"
if ruleType == models.DevicePolicy {
aclID = "all-nodes"
}
acl, err := GetAcl(fmt.Sprintf("%s.%s", netID, aclID))
if err != nil {
return models.Acl{}, errors.New("default rule not found")
}
if acl.Enabled {
return acl, nil
}
// check if there are any custom all policies
srcMap := make(map[string]struct{})
dstMap := make(map[string]struct{})
defer func() {
srcMap = nil
dstMap = nil
}()
policies, _ := ListAclsByNetwork(netID)
for _, policy := range policies {
if !policy.Enabled {
continue
}
if policy.RuleType == ruleType {
dstMap = convAclTagToValueMap(policy.Dst)
srcMap = convAclTagToValueMap(policy.Src)
if _, ok := srcMap["*"]; ok {
if _, ok := dstMap["*"]; ok {
return policy, nil
}
}
}
}
return acl, nil
}
func ListAcls() (acls []models.Acl) {
if servercfg.CacheEnabled() && len(aclCacheMap) > 0 {
return listAclFromCache()
}
data, err := database.FetchRecords(database.ACLS_TABLE_NAME)
if err != nil && !database.IsEmptyRecord(err) {
return []models.Acl{}
}
for _, dataI := range data {
acl := models.Acl{}
err := json.Unmarshal([]byte(dataI), &acl)
if err != nil {
continue
}
acls = append(acls, acl)
if servercfg.CacheEnabled() {
storeAclInCache(acl)
}
}
return
}
// ListUserPolicies - lists all acl policies enforced on an user
func ListUserPolicies(u models.User) []models.Acl {
allAcls := ListAcls()
userAcls := []models.Acl{}
for _, acl := range allAcls {
if acl.RuleType == models.UserPolicy {
srcMap := 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 := ListAcls()
userAcls := []models.Acl{}
for _, acl := range allAcls {
if acl.NetworkID == netID && acl.RuleType == models.UserPolicy {
srcMap := 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
}
// listDevicePolicies - lists all device policies in a network
func listDevicePolicies(netID models.NetworkID) []models.Acl {
allAcls := ListAcls()
deviceAcls := []models.Acl{}
for _, acl := range allAcls {
if acl.NetworkID == netID && acl.RuleType == models.DevicePolicy {
deviceAcls = append(deviceAcls, acl)
}
}
return deviceAcls
}
// listUserPolicies - lists all user policies in a network
func listUserPolicies(netID models.NetworkID) []models.Acl {
allAcls := ListAcls()
deviceAcls := []models.Acl{}
for _, acl := range allAcls {
if acl.NetworkID == netID && acl.RuleType == models.UserPolicy {
deviceAcls = append(deviceAcls, acl)
}
}
return deviceAcls
}
// ListAcls - lists all acl policies
func ListAclsByNetwork(netID models.NetworkID) ([]models.Acl, error) {
allAcls := ListAcls()
netAcls := []models.Acl{}
for _, acl := range allAcls {
if acl.NetworkID == netID {
netAcls = append(netAcls, acl)
}
}
return netAcls, nil
}
func convAclTagToValueMap(acltags []models.AclPolicyTag) map[string]struct{} {
aclValueMap := make(map[string]struct{})
for _, aclTagI := range acltags {
aclValueMap[aclTagI.Value] = struct{}{}
}
return aclValueMap
}
// IsUserAllowedToCommunicate - check if user is allowed to communicate with peer
func IsUserAllowedToCommunicate(userName string, peer models.Node) (bool, []models.Acl) {
if peer.IsStatic {
peer = peer.StaticNode.ConvertToStaticNode()
}
acl, _ := GetDefaultPolicy(models.NetworkID(peer.Network), models.UserPolicy)
if acl.Enabled {
return true, []models.Acl{acl}
}
user, err := 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 := convAclTagToValueMap(policy.Dst)
if _, ok := dstMap["*"]; ok {
allowedPolicies = append(allowedPolicies, policy)
continue
}
for tagID := range peer.Tags {
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 {
peerTags := maps.Clone(peer.Tags)
nodeTags := maps.Clone(node.Tags)
if node.IsStatic {
node = node.StaticNode.ConvertToStaticNode()
}
if peer.IsStatic {
peer = peer.StaticNode.ConvertToStaticNode()
}
if checkDefaultPolicy {
// check default policy if all allowed return true
defaultPolicy, err := GetDefaultPolicy(models.NetworkID(node.Network), models.DevicePolicy)
if err == nil {
if defaultPolicy.Enabled {
return true
}
}
}
// list device policies
policies := 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 = convAclTagToValueMap(policy.Src)
dstMap = convAclTagToValueMap(policy.Dst)
for tagID := range nodeTags {
if _, ok := dstMap[tagID.String()]; ok {
if _, ok := srcMap["*"]; ok {
return true
}
for tagID := range peerTags {
if _, ok := srcMap[tagID.String()]; ok {
return true
}
}
}
if _, ok := srcMap[tagID.String()]; ok {
if _, ok := dstMap["*"]; ok {
return true
}
for tagID := range peerTags {
if _, ok := dstMap[tagID.String()]; ok {
return true
}
}
}
}
for tagID := range peerTags {
if _, ok := dstMap[tagID.String()]; ok {
if _, ok := srcMap["*"]; ok {
return true
}
for tagID := range nodeTags {
if _, ok := srcMap[tagID.String()]; ok {
return true
}
}
}
if _, ok := srcMap[tagID.String()]; ok {
if _, ok := dstMap["*"]; ok {
return true
}
for tagID := range nodeTags {
if _, ok := dstMap[tagID.String()]; ok {
return true
}
}
}
}
}
return false
}
// IsNodeAllowedToCommunicate - check node is allowed to communicate with the peer
func IsNodeAllowedToCommunicate(node, peer models.Node, checkDefaultPolicy bool) (bool, []models.Acl) {
if node.IsStatic {
node = node.StaticNode.ConvertToStaticNode()
}
if peer.IsStatic {
peer = peer.StaticNode.ConvertToStaticNode()
}
if checkDefaultPolicy {
// check default policy if all allowed return true
defaultPolicy, err := GetDefaultPolicy(models.NetworkID(node.Network), models.DevicePolicy)
if err == nil {
if defaultPolicy.Enabled {
return true, []models.Acl{defaultPolicy}
}
}
}
allowedPolicies := []models.Acl{}
// list device policies
policies := 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 = convAclTagToValueMap(policy.Src)
dstMap = convAclTagToValueMap(policy.Dst)
for tagID := range node.Tags {
allowed := false
if _, ok := dstMap[tagID.String()]; policy.AllowedDirection == models.TrafficDirectionBi && ok {
if _, ok := srcMap["*"]; ok {
allowed = true
allowedPolicies = append(allowedPolicies, policy)
break
}
for tagID := range peer.Tags {
if _, ok := srcMap[tagID.String()]; ok {
allowed = true
break
}
}
}
if allowed {
allowedPolicies = append(allowedPolicies, policy)
break
}
if _, ok := srcMap[tagID.String()]; ok {
if _, ok := dstMap["*"]; ok {
allowed = true
allowedPolicies = append(allowedPolicies, policy)
break
}
for tagID := range peer.Tags {
if _, ok := dstMap[tagID.String()]; ok {
allowed = true
break
}
}
}
if allowed {
allowedPolicies = append(allowedPolicies, policy)
break
}
}
for tagID := range peer.Tags {
allowed := false
if _, ok := dstMap[tagID.String()]; ok {
if _, ok := srcMap["*"]; ok {
allowed = true
allowedPolicies = append(allowedPolicies, policy)
break
}
for tagID := range node.Tags {
if _, ok := srcMap[tagID.String()]; ok {
allowed = true
break
}
}
}
if allowed {
allowedPolicies = append(allowedPolicies, policy)
break
}
if _, ok := srcMap[tagID.String()]; policy.AllowedDirection == models.TrafficDirectionBi && ok {
if _, ok := dstMap["*"]; ok {
allowed = true
allowedPolicies = append(allowedPolicies, policy)
break
}
for tagID := range node.Tags {
if _, ok := dstMap[tagID.String()]; ok {
allowed = true
break
}
}
}
if allowed {
allowedPolicies = append(allowedPolicies, policy)
break
}
}
}
if len(allowedPolicies) > 0 {
return true, allowedPolicies
}
return false, allowedPolicies
}
// SortTagEntrys - Sorts slice of Tag entries by their id
func SortAclEntrys(acls []models.Acl) {
sort.Slice(acls, func(i, j int) bool {
return acls[i].Name < acls[j].Name
})
}
// UpdateDeviceTag - updates device tag on acl policies
func UpdateDeviceTag(OldID, newID models.TagID, netID models.NetworkID) {
acls := listDevicePolicies(netID)
update := false
for _, acl := range acls {
for i, srcTagI := range acl.Src {
if srcTagI.ID == models.DeviceAclID {
if OldID.String() == srcTagI.Value {
acl.Src[i].Value = newID.String()
update = true
}
}
}
for i, dstTagI := range acl.Dst {
if dstTagI.ID == models.DeviceAclID {
if OldID.String() == dstTagI.Value {
acl.Dst[i].Value = newID.String()
update = true
}
}
}
if update {
UpsertAcl(acl)
}
}
}
func CheckIfTagAsActivePolicy(tagID models.TagID, netID models.NetworkID) bool {
acls := listDevicePolicies(netID)
for _, acl := range acls {
for _, srcTagI := range acl.Src {
if srcTagI.ID == models.DeviceAclID {
if tagID.String() == srcTagI.Value {
return true
}
}
}
for _, dstTagI := range acl.Dst {
if dstTagI.ID == models.DeviceAclID {
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 := listDevicePolicies(netID)
update := false
for _, acl := range acls {
for i, srcTagI := range acl.Src {
if srcTagI.ID == models.DeviceAclID {
if tagID.String() == srcTagI.Value {
acl.Src = append(acl.Src[:i], acl.Src[i+1:]...)
update = true
}
}
}
for i, dstTagI := range acl.Dst {
if dstTagI.ID == models.DeviceAclID {
if tagID.String() == dstTagI.Value {
acl.Dst = append(acl.Dst[:i], acl.Dst[i+1:]...)
update = true
}
}
}
if update {
UpsertAcl(acl)
}
}
return nil
}
func getUserAclRulesForNode(targetnode *models.Node,
rules map[string]models.AclRule) map[string]models.AclRule {
userNodes := GetStaticUserNodesByNetwork(models.NetworkID(targetnode.Network))
userGrpMap := GetUserGrpMap()
allowedUsers := make(map[string][]models.Acl)
acls := listUserPolicies(models.NetworkID(targetnode.Network))
for nodeTag := range targetnode.Tags {
for _, acl := range acls {
if !acl.Enabled {
continue
}
dstTags := convAclTagToValueMap(acl.Dst)
if _, ok := dstTags[nodeTag.String()]; ok {
// 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...)
rules[acl.ID] = aclRule
} else {
rules[acl.ID] = r
}
}
}
return rules
}
func GetAclRulesForNode(targetnode *models.Node) (rules map[string]models.AclRule) {
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 := listDevicePolicies(models.NetworkID(targetnode.Network))
targetnode.Tags["*"] = struct{}{}
for nodeTag := range targetnode.Tags {
for _, acl := range acls {
if !acl.Enabled {
continue
}
srcTags := convAclTagToValueMap(acl.Src)
dstTags := convAclTagToValueMap(acl.Dst)
aclRule := models.AclRule{
ID: acl.ID,
AllowedProtocol: acl.Proto,
AllowedPorts: acl.Port,
Direction: acl.AllowedDirection,
Allowed: true,
}
if acl.AllowedDirection == models.TrafficDirectionBi {
var existsInSrcTag bool
var existsInDstTag bool
if _, ok := srcTags[nodeTag.String()]; ok {
existsInSrcTag = true
}
if _, ok := dstTags[nodeTag.String()]; ok {
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)]
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)]
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 _, 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 {
_, 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.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 {
rules[acl.ID] = aclRule
}
}
}
return rules
}