mirror of
https://github.com/netbirdio/netbird.git
synced 2024-12-13 02:10:56 +01:00
24970a1746
Signed-off-by: bcmmbaga <bethuelmbaga12@gmail.com>
193 lines
5.4 KiB
Go
193 lines
5.4 KiB
Go
package route
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import (
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"fmt"
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"net/netip"
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"slices"
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log "github.com/sirupsen/logrus"
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"github.com/netbirdio/netbird/management/domain"
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"github.com/netbirdio/netbird/management/server/status"
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)
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// Windows has some limitation regarding metric size that differ from Unix-like systems.
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// Because of that we are limiting the min and max metric size based on Windows limits:
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// see based on info from https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/route_ws2008
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const (
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// MinMetric max metric input
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MinMetric = 1
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// MaxMetric max metric input
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MaxMetric = 9999
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// MaxNetIDChar Max Network Identifier
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MaxNetIDChar = 40
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)
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const (
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// InvalidNetworkString invalid network type string
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InvalidNetworkString = "Invalid"
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// IPv4NetworkString IPv4 network type string
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IPv4NetworkString = "IPv4"
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// IPv6NetworkString IPv6 network type string
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IPv6NetworkString = "IPv6"
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// DomainNetworkString domain network type string
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DomainNetworkString = "Domain"
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)
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const (
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// InvalidNetwork invalid network type
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InvalidNetwork NetworkType = iota
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// IPv4Network IPv4 network type
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IPv4Network
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// IPv6Network IPv6 network type
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IPv6Network
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// DomainNetwork domain network type
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DomainNetwork
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)
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type ID string
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type NetID string
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type HAMap map[HAUniqueID][]*Route
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// NetworkType route network type
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type NetworkType int
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// String returns prefix type string
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func (p NetworkType) String() string {
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switch p {
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case IPv4Network:
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return IPv4NetworkString
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case IPv6Network:
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return IPv6NetworkString
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case DomainNetwork:
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return DomainNetworkString
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default:
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return InvalidNetworkString
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}
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}
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// ToPrefixType returns a prefix type
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func ToPrefixType(prefix string) NetworkType {
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switch prefix {
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case IPv4NetworkString:
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return IPv4Network
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case IPv6NetworkString:
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return IPv6Network
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case DomainNetworkString:
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return DomainNetwork
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default:
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return InvalidNetwork
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}
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}
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// Route represents a route
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type Route struct {
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ID ID `gorm:"primaryKey"`
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// AccountID is a reference to Account that this object belongs
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AccountID string `gorm:"index"`
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// Network and Domains are mutually exclusive
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Network netip.Prefix `gorm:"serializer:json"`
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Domains domain.List `gorm:"serializer:json"`
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KeepRoute bool
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NetID NetID
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Description string
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Peer string
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PeerGroups []string `gorm:"serializer:json"`
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NetworkType NetworkType
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Masquerade bool
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Metric int
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Enabled bool
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Groups []string `gorm:"serializer:json"`
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AccessControlGroups []string `gorm:"serializer:json"`
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}
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// EventMeta returns activity event meta related to the route
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func (r *Route) EventMeta() map[string]any {
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return map[string]any{"name": r.NetID, "network_range": r.Network.String(), "domains": r.Domains.SafeString(), "peer_id": r.Peer, "peer_groups": r.PeerGroups}
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}
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// Copy copies a route object
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func (r *Route) Copy() *Route {
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route := &Route{
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ID: r.ID,
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AccountID: r.AccountID,
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Description: r.Description,
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NetID: r.NetID,
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Network: r.Network,
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Domains: slices.Clone(r.Domains),
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KeepRoute: r.KeepRoute,
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NetworkType: r.NetworkType,
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Peer: r.Peer,
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PeerGroups: slices.Clone(r.PeerGroups),
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Metric: r.Metric,
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Masquerade: r.Masquerade,
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Enabled: r.Enabled,
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Groups: slices.Clone(r.Groups),
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AccessControlGroups: slices.Clone(r.AccessControlGroups),
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}
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return route
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}
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// IsEqual compares one route with the other
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func (r *Route) IsEqual(other *Route) bool {
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if r == nil && other == nil {
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return true
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} else if r == nil || other == nil {
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return false
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}
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return other.ID == r.ID &&
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other.Description == r.Description &&
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other.NetID == r.NetID &&
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other.Network == r.Network &&
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slices.Equal(r.Domains, other.Domains) &&
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other.KeepRoute == r.KeepRoute &&
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other.NetworkType == r.NetworkType &&
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other.Peer == r.Peer &&
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other.Metric == r.Metric &&
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other.Masquerade == r.Masquerade &&
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other.Enabled == r.Enabled &&
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slices.Equal(r.Groups, other.Groups) &&
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slices.Equal(r.PeerGroups, other.PeerGroups) &&
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slices.Equal(r.AccessControlGroups, other.AccessControlGroups)
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}
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// IsDynamic returns if the route is dynamic, i.e. has domains
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func (r *Route) IsDynamic() bool {
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return r.NetworkType == DomainNetwork
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}
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func (r *Route) GetHAUniqueID() HAUniqueID {
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if r.IsDynamic() {
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domains, err := r.Domains.String()
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if err != nil {
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log.Errorf("Failed to convert domains to string: %v", err)
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domains = r.Domains.PunycodeString()
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}
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return HAUniqueID(fmt.Sprintf("%s%s%s", r.NetID, haSeparator, domains))
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}
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return HAUniqueID(fmt.Sprintf("%s%s%s", r.NetID, haSeparator, r.Network.String()))
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}
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// ParseNetwork Parses a network prefix string and returns a netip.Prefix object and if is invalid, IPv4 or IPv6
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func ParseNetwork(networkString string) (NetworkType, netip.Prefix, error) {
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prefix, err := netip.ParsePrefix(networkString)
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if err != nil {
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return InvalidNetwork, netip.Prefix{}, status.Errorf(status.InvalidArgument, "invalid network %s", networkString)
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}
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masked := prefix.Masked()
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if !masked.IsValid() {
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return InvalidNetwork, netip.Prefix{}, status.Errorf(status.InvalidArgument, "invalid range %s", networkString)
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}
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if masked.Addr().Is6() {
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return IPv6Network, masked, nil
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}
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return IPv4Network, masked, nil
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}
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