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Feature/exit nodes - Windows and macOS support (#1726)

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This commit is contained in:
Viktor Liu
2024-04-03 11:11:46 +02:00
committed by GitHub
parent 9af532fe71
commit 7938295190
41 changed files with 2254 additions and 965 deletions
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44
client/internal/routemanager/systemops_linux.go
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@@ -15,6 +15,8 @@ import (
log "github.com/sirupsen/logrus"
"github.com/vishvananda/netlink"
"github.com/netbirdio/netbird/client/internal/peer"
"github.com/netbirdio/netbird/iface"
nbnet "github.com/netbirdio/netbird/util/net"
)
@@ -64,7 +66,7 @@ func getSetupRules() []ruleParams {
// enabling VPN connectivity.
//
// The rules are inserted in reverse order, as rules are added from the bottom up in the rule list.
func setupRouting() (err error) {
func setupRouting([]net.IP, *iface.WGIface) (_ peer.BeforeAddPeerHookFunc, _ peer.AfterRemovePeerHookFunc, err error) {
if err = addRoutingTableName(); err != nil {
log.Errorf("Error adding routing table name: %v", err)
}
@@ -80,11 +82,11 @@ func setupRouting() (err error) {
rules := getSetupRules()
for _, rule := range rules {
if err := addRule(rule); err != nil {
return fmt.Errorf("%s: %w", rule.description, err)
return nil, nil, fmt.Errorf("%s: %w", rule.description, err)
}
}
return nil
return nil, nil, nil
}
// cleanupRouting performs a thorough cleanup of the routing configuration established by 'setupRouting'.
@@ -110,7 +112,7 @@ func cleanupRouting() error {
return result.ErrorOrNil()
}
func addToRouteTableIfNoExists(prefix netip.Prefix, _ string, intf string) error {
func addVPNRoute(prefix netip.Prefix, intf string) error {
// No need to check if routes exist as main table takes precedence over the VPN table via Rule 2
// TODO remove this once we have ipv6 support
@@ -125,7 +127,7 @@ func addToRouteTableIfNoExists(prefix netip.Prefix, _ string, intf string) error
return nil
}
func removeFromRouteTableIfNonSystem(prefix netip.Prefix, _ string, intf string) error {
func removeVPNRoute(prefix netip.Prefix, intf string) error {
// TODO remove this once we have ipv6 support
if prefix == defaultv4 {
if err := removeUnreachableRoute(&defaultv6, NetbirdVPNTableID, netlink.FAMILY_V6); err != nil {
@@ -138,10 +140,6 @@ func removeFromRouteTableIfNonSystem(prefix netip.Prefix, _ string, intf string)
return nil
}
func getRoutesFromTable() ([]netip.Prefix, error) {
return getRoutes(NetbirdVPNTableID, netlink.FAMILY_V4)
}
// addRoute adds a route to a specific routing table identified by tableID.
func addRoute(prefix *netip.Prefix, addr, intf *string, tableID, family int) error {
route := &netlink.Route{
@@ -263,34 +261,6 @@ func flushRoutes(tableID, family int) error {
return result.ErrorOrNil()
}
// getRoutes fetches routes from a specific routing table identified by tableID.
func getRoutes(tableID, family int) ([]netip.Prefix, error) {
var prefixList []netip.Prefix
routes, err := netlink.RouteListFiltered(family, &netlink.Route{Table: tableID}, netlink.RT_FILTER_TABLE)
if err != nil {
return nil, fmt.Errorf("list routes from table %d: %v", tableID, err)
}
for _, route := range routes {
if route.Dst != nil {
addr, ok := netip.AddrFromSlice(route.Dst.IP)
if !ok {
return nil, fmt.Errorf("parse route destination IP: %v", route.Dst.IP)
}
ones, _ := route.Dst.Mask.Size()
prefix := netip.PrefixFrom(addr, ones)
if prefix.IsValid() {
prefixList = append(prefixList, prefix)
}
}
}
return prefixList, nil
}
func enableIPForwarding() error {
bytes, err := os.ReadFile(ipv4ForwardingPath)
if err != nil {