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fwmark

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This commit is contained in:
KusakabeSi 2024-01-12 04:02:39 +00:00
parent a96db9e8cf
commit d78d3335f8
5 changed files with 30 additions and 19 deletions
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28
conn/bind_linux.go
View File

@ -57,23 +57,24 @@ func (endpoint *LinuxSocketEndpoint) dst6() *unix.SockaddrInet6 {
type LinuxSocketBind struct {
// mu guards sock4 and sock6 and the associated fds.
// As long as someone holds mu (read or write), the associated fds are valid.
mu sync.RWMutex
sock4 int
sock6 int
use4 bool
use6 bool
mu sync.RWMutex
fwmark uint32
sock4 int
sock6 int
use4 bool
use6 bool
}
func NewLinuxSocketBind() Bind { return &LinuxSocketBind{sock4: -1, sock6: -1, use4: true, use6: true} }
func NewLinuxSocketBindAf(use4 bool, use6 bool) Bind {
return &LinuxSocketBind{sock4: -1, sock6: -1, use4: use4, use6: use6}
func NewLinuxSocketBindAf(use4 bool, use6 bool, fwmark uint32) Bind {
return &LinuxSocketBind{sock4: -1, sock6: -1, use4: use4, use6: use6, fwmark: fwmark}
}
func NewDefaultBind(Af EnabledAf, bindmode string) Bind {
func NewDefaultBind(Af EnabledAf, bindmode string, fwmark uint32) Bind {
if bindmode == "std" {
return NewStdNetBindAf(Af.IPv4, Af.IPv6)
return NewStdNetBindAf(Af.IPv4, Af.IPv6, fwmark)
}
return NewLinuxSocketBindAf(Af.IPv4, Af.IPv6)
return NewLinuxSocketBindAf(Af.IPv4, Af.IPv6, fwmark)
}
var _ Endpoint = (*LinuxSocketEndpoint)(nil)
@ -185,6 +186,9 @@ again:
if len(fns) == 0 {
return nil, 0, syscall.EAFNOSUPPORT
}
if bind.fwmark != 0 {
bind.setMark(bind.fwmark)
}
return fns, port, nil
}
@ -192,6 +196,10 @@ func (bind *LinuxSocketBind) SetMark(value uint32) error {
bind.mu.RLock()
defer bind.mu.RUnlock()
return bind.setMark(value)
}
func (bind *LinuxSocketBind) setMark(value uint32) error {
if bind.sock6 != -1 {
err := unix.SetsockoptInt(
bind.sock6,

7
conn/bind_std.go
View File

@ -20,15 +20,16 @@ type StdNetBind struct {
mu sync.Mutex // protects following fields
ipv4 *net.UDPConn
ipv6 *net.UDPConn
fwmark uint32
blackhole4 bool
blackhole6 bool
use4 bool
use6 bool
}
func NewStdNetBind() Bind { return &StdNetBind{use4: true, use6: true} }
func NewStdNetBindAf(use4 bool, use6 bool) Bind {
return &StdNetBind{use4: use4, use6: use6}
func NewStdNetBind() Bind { return &StdNetBind{use4: true, use6: true, fwmark: 0} }
func NewStdNetBindAf(use4 bool, use6 bool, fwmark uint32) Bind {
return &StdNetBind{use4: use4, use6: use6, fwmark: fwmark}
}
type StdNetEndpoint net.UDPAddr

4
main_edge.go
View File

@ -125,7 +125,7 @@ func Edge(configPath string, useUAPI bool, printExample bool, bindmode string) (
IPv6: !econfig.DisableAf.IPv6,
}
the_device := device.NewDevice(thetap, econfig.NodeID, conn.NewDefaultBind(EnabledAf, bindmode), logger, graph, false, configPath, &econfig, nil, nil, Version)
the_device := device.NewDevice(thetap, econfig.NodeID, conn.NewDefaultBind(EnabledAf, bindmode, econfig.FwMark), logger, graph, false, configPath, &econfig, nil, nil, Version)
defer the_device.Close()
pk, err := device.Str2PriKey(econfig.PrivKey)
if err != nil {
@ -133,7 +133,7 @@ func Edge(configPath string, useUAPI bool, printExample bool, bindmode string) (
return err
}
the_device.SetPrivateKey(pk)
the_device.IpcSet("fwmark=0\n")
the_device.IpcSet("fwmark=" + fmt.Sprint(econfig.FwMark) + "\n")
the_device.IpcSet("listen_port=" + strconv.Itoa(econfig.ListenPort) + "\n")
the_device.IpcSet("replace_peers=true\n")
for _, peerconf := range econfig.Peers {

8
main_super.go
View File

@ -144,10 +144,10 @@ func Super(configPath string, useUAPI bool, printExample bool, bindmode string)
}
}
thetap4, _ := tap.CreateDummyTAP()
httpobj.http_device4 = device.NewDevice(thetap4, mtypes.NodeID_SuperNode, conn.NewDefaultBind(conn.EnabledAf4, bindmode), logger4, httpobj.http_graph, true, configPath, nil, &sconfig, httpobj.http_super_chains, Version)
httpobj.http_device4 = device.NewDevice(thetap4, mtypes.NodeID_SuperNode, conn.NewDefaultBind(conn.EnabledAf4, bindmode, sconfig.FwMark), logger4, httpobj.http_graph, true, configPath, nil, &sconfig, httpobj.http_super_chains, Version)
defer httpobj.http_device4.Close()
thetap6, _ := tap.CreateDummyTAP()
httpobj.http_device6 = device.NewDevice(thetap6, mtypes.NodeID_SuperNode, conn.NewDefaultBind(conn.EnabledAf6, bindmode), logger6, httpobj.http_graph, true, configPath, nil, &sconfig, httpobj.http_super_chains, Version)
httpobj.http_device6 = device.NewDevice(thetap6, mtypes.NodeID_SuperNode, conn.NewDefaultBind(conn.EnabledAf6, bindmode, sconfig.FwMark), logger6, httpobj.http_graph, true, configPath, nil, &sconfig, httpobj.http_super_chains, Version)
defer httpobj.http_device6.Close()
if sconfig.PrivKeyV4 != "" {
pk4, err := device.Str2PriKey(sconfig.PrivKeyV4)
@ -156,7 +156,7 @@ func Super(configPath string, useUAPI bool, printExample bool, bindmode string)
return err
}
httpobj.http_device4.SetPrivateKey(pk4)
httpobj.http_device4.IpcSet("fwmark=0\n")
httpobj.http_device4.IpcSet("fwmark=" + fmt.Sprint(sconfig.FwMark) + "\n")
httpobj.http_device4.IpcSet("listen_port=" + strconv.Itoa(sconfig.ListenPort) + "\n")
httpobj.http_device4.IpcSet("replace_peers=true\n")
}
@ -168,7 +168,7 @@ func Super(configPath string, useUAPI bool, printExample bool, bindmode string)
return err
}
httpobj.http_device6.SetPrivateKey(pk6)
httpobj.http_device6.IpcSet("fwmark=0\n")
httpobj.http_device6.IpcSet("fwmark=" + fmt.Sprint(sconfig.FwMark) + "\n")
httpobj.http_device6.IpcSet("listen_port=" + strconv.Itoa(sconfig.ListenPort) + "\n")
httpobj.http_device6.IpcSet("replace_peers=true\n")
}

2
mtypes/config.go
View File

@ -23,6 +23,7 @@ type EdgeConfig struct {
Interface InterfaceConf `yaml:"Interface"`
NodeID Vertex `yaml:"NodeID"`
NodeName string `yaml:"NodeName"`
FwMark uint32 `yaml:"FwMark"`
PostScript string `yaml:"PostScript"`
DefaultTTL uint8 `yaml:"DefaultTTL"`
L2FIBTimeout float64 `yaml:"L2FIBTimeout"`
@ -39,6 +40,7 @@ type EdgeConfig struct {
type SuperConfig struct {
NodeName string `yaml:"NodeName"`
FwMark uint32 `yaml:"FwMark"`
PostScript string `yaml:"PostScript"`
PrivKeyV4 string `yaml:"PrivKeyV4"`
PrivKeyV6 string `yaml:"PrivKeyV6"`