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Allow candidates on local routes if more specific than vpn routes (#2097)

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This commit is contained in:
Viktor Liu
2024-06-17 09:47:17 +02:00
committed by GitHub
parent 245b086646
commit c9f3854dde
12 changed files with 227 additions and 37 deletions
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10
client/internal/routemanager/systemops/systemops_linux.go
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@ -16,7 +16,6 @@ import (
"github.com/vishvananda/netlink"
nberrors "github.com/netbirdio/netbird/client/errors"
"github.com/netbirdio/netbird/client/internal/peer"
"github.com/netbirdio/netbird/client/internal/routemanager/sysctl"
"github.com/netbirdio/netbird/client/internal/routemanager/vars"
nbnet "github.com/netbirdio/netbird/util/net"
@ -86,7 +85,7 @@ func getSetupRules() []ruleParams {
// Rule 2 (VPN Traffic Routing): Directs all remaining traffic to the 'NetbirdVPNTableID' custom routing table.
// This table is where a default route or other specific routes received from the management server are configured,
// enabling VPN connectivity.
func (r *SysOps) SetupRouting(initAddresses []net.IP) (_ peer.BeforeAddPeerHookFunc, _ peer.AfterRemovePeerHookFunc, err error) {
func (r *SysOps) SetupRouting(initAddresses []net.IP) (_ nbnet.AddHookFunc, _ nbnet.RemoveHookFunc, err error) {
if isLegacy() {
log.Infof("Using legacy routing setup")
return r.setupRefCounter(initAddresses)
@ -502,3 +501,10 @@ func getAddressFamily(prefix netip.Prefix) int {
}
return netlink.FAMILY_V6
}
func hasSeparateRouting() ([]netip.Prefix, error) {
if isLegacy() {
return getRoutesFromTable()
}
return nil, ErrRoutingIsSeparate
}