router: update system routes for linux

auth/auth.go

@@ -145,6 +145,8 @@ func (p *authenticator) reload(ctx context.Context) (err error) {
 		kvs[k] = v
 	}
 
+	p.options.logger.Debugf("load items %d", len(m))
+
 	p.mu.Lock()
 	defer p.mu.Unlock()
 
@@ -206,7 +208,6 @@ func (p *authenticator) load(ctx context.Context) (m map[string]string, err erro
 		}
 	}
 
-	p.options.logger.Debugf("load items %d", len(m))
 	return
 }
 

bypass/bypass.go

@@ -130,6 +130,7 @@ func (bp *localBypass) reload(ctx context.Context) error {
 		return err
 	}
 	patterns := append(bp.options.matchers, v...)
+	bp.options.logger.Debugf("load items %d", len(patterns))
 
 	var addrs []string
 	var inets []*net.IPNet
@@ -205,7 +206,6 @@ func (bp *localBypass) load(ctx context.Context) (patterns []string, err error)
 		}
 	}
 
-	bp.options.logger.Debugf("load items %d", len(patterns))
 	return
 }
 

hop/hop.go

@@ -252,6 +252,8 @@ func (p *chainHop) reload(ctx context.Context) (err error) {
 
 	nodes = append(nodes, nl...)
 
+	p.options.logger.Debugf("load items %d", len(nodes))
+
 	p.mu.Lock()
 	defer p.mu.Unlock()
 
@@ -291,7 +293,6 @@ func (p *chainHop) load(ctx context.Context) (nodes []*chain.Node, err error) {
 		}
 	}
 
-	p.options.logger.Debugf("load items %d", len(nodes))
 	return
 }
 

hosts/hosts.go

@@ -215,6 +215,8 @@ func (h *hostMapper) reload(ctx context.Context) (err error) {
 		mapf(m[i].Hostname, m[i].IP)
 	}
 
+	h.options.logger.Debugf("load items %d", len(mappings))
+
 	h.mu.Lock()
 	defer h.mu.Unlock()
 
@@ -271,7 +273,6 @@ func (h *hostMapper) load(ctx context.Context) (mappings []Mapping, err error) {
 		}
 	}
 
-	h.options.logger.Debugf("load items %d", len(mappings))
 	return
 }
 

ingress/ingress.go

@@ -139,6 +139,8 @@ func (ing *localIngress) reload(ctx context.Context) error {
 		fn(rule)
 	}
 
+	ing.options.logger.Debugf("load items %d", len(rules))
+
 	ing.mu.Lock()
 	defer ing.mu.Unlock()
 
@@ -194,7 +196,6 @@ func (ing *localIngress) load(ctx context.Context) (rules []*ingress.Rule, err e
 		rules = append(rules, v...)
 	}
 
-	ing.options.logger.Debugf("load items %d", len(rules))
 	return
 }
 

router/router.go

@@ -113,19 +113,25 @@ func (p *localRouter) periodReload(ctx context.Context) error {
 	}
 }
 
-func (r *localRouter) reload(ctx context.Context) error {
-	routes := r.options.routes
+func (p *localRouter) reload(ctx context.Context) error {
+	routes := p.options.routes
 
-	v, err := r.load(ctx)
+	v, err := p.load(ctx)
 	if err != nil {
 		return err
 	}
 	routes = append(routes, v...)
 
-	r.mu.Lock()
-	defer r.mu.Unlock()
+	p.options.logger.Debugf("load items %d", len(routes))
 
-	r.routes = routes
+	if err := p.setSysRoutes(routes...); err != nil {
+		p.options.logger.Error(err)
+	}
+
+	p.mu.Lock()
+	defer p.mu.Unlock()
+
+	p.routes = routes
 
 	return nil
 }
@@ -177,7 +183,6 @@ func (p *localRouter) load(ctx context.Context) (routes []*router.Route, err err
 		routes = append(routes, v...)
 	}
 
-	p.options.logger.Debugf("load items %d", len(routes))
 	return
 }
 

router/router_linux.go

@@ -0,0 +1,23 @@
+package router
+
+import (
+	"fmt"
+
+	"github.com/go-gost/core/router"
+	"github.com/vishvananda/netlink"
+)
+
+func (p *localRouter) setSysRoutes(routes ...*router.Route) error {
+	for _, route := range routes {
+		p.options.logger.Debugf("ip route replace %s via %s", route.Net, route.Gateway)
+		r := netlink.Route{
+			Dst: route.Net,
+			Gw:  route.Gateway,
+		}
+		if err := netlink.RouteReplace(&r); err != nil {
+			return fmt.Errorf("set route %v %v: %v", r.Dst, r.Gw, err)
+		}
+
+	}
+	return nil
+}

router/router_other.go

@@ -0,0 +1,11 @@
+//go:build !linux
+
+package router
+
+import (
+	"github.com/go-gost/core/router"
+)
+
+func (*localRouter) setSysRoutes(routes ...*router.Route) error {
+	return nil
+}