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reject: add a virtual proxy reject

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This commit is contained in:
nadoo 2019-03-07 23:34:29 +08:00
parent f9a21f5951
commit 2e44d79db8
11 changed files with 54 additions and 12 deletions
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2
go.mod
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@ -21,7 +21,7 @@ require (
github.com/xtaci/kcp-go v5.0.7+incompatible
golang.org/x/crypto v0.0.0-20190228161510-8dd112bcdc25
golang.org/x/net v0.0.0-20190301231341-16b79f2e4e95 // indirect
golang.org/x/sys v0.0.0-20190306155319-3e9a981b8ddb // indirect
golang.org/x/sys v0.0.0-20190306220723-b294cbcfc56d // indirect
)
// Replace dependency modules with local developing copy

2
go.sum
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@ -49,3 +49,5 @@ golang.org/x/sys v0.0.0-20190306071516-a98ae47d97a5 h1:x+Ampnh9f/zE3phqz3m2ExO+t
golang.org/x/sys v0.0.0-20190306071516-a98ae47d97a5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190306155319-3e9a981b8ddb h1:xIUJ1YHSR/6NhHkg597Yw0jPKhHGJmQfc8CzOmXgEco=
golang.org/x/sys v0.0.0-20190306155319-3e9a981b8ddb/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190306220723-b294cbcfc56d h1:4Ew1XHJYjwX6RiE8SgSymqS1zCRQyGpcAnVfbpEuXfE=
golang.org/x/sys v0.0.0-20190306220723-b294cbcfc56d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=

1
main.go
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@ -17,6 +17,7 @@ import (
_ "github.com/nadoo/glider/proxy/kcp"
_ "github.com/nadoo/glider/proxy/mixed"
_ "github.com/nadoo/glider/proxy/obfs"
_ "github.com/nadoo/glider/proxy/reject"
_ "github.com/nadoo/glider/proxy/socks5"
_ "github.com/nadoo/glider/proxy/ss"
_ "github.com/nadoo/glider/proxy/ssr"

2
proxy/forwarder.go
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@ -91,7 +91,7 @@ func (f *Forwarder) Dial(network, addr string) (c net.Conn, err error) {
c, err = f.Dialer.Dial(network, addr)
if err != nil {
f.IncFailures()
if f.Failures() >= f.MaxFailures() {
if f.Failures() >= f.MaxFailures() && f.Enabled() {
f.Disable()
log.F("[forwarder] %s reaches maxfailures.", f.addr)
}

4
proxy/http/http.go
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@ -145,7 +145,7 @@ func (s *HTTP) Serve(c net.Conn) {
rc, err := s.dialer.Dial("tcp", tgt)
if err != nil {
fmt.Fprintf(c, "%s 502 ERROR\r\n\r\n", proto)
log.F("[http] failed to dial: %v", err)
log.F("[http] %s <-> %s, error in dial: %v", c.RemoteAddr(), tgt, err)
return
}
defer rc.Close()
@ -204,7 +204,7 @@ func (s *HTTP) servHTTPS(method, requestURI, proto string, c net.Conn) {
if err != nil {
c.Write([]byte(proto))
c.Write([]byte(" 502 ERROR\r\n\r\n"))
log.F("[http] failed to dial: %v", err)
log.F("[http] %s <-> %s [c], error in dial: %v", c.RemoteAddr(), requestURI, err)
return
}

2
proxy/mixed/mixed.go
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@ -98,7 +98,7 @@ func (p *MixedProxy) Serve(c net.Conn) {
if p.socks5 != nil {
head, err := cc.Peek(1)
if err != nil {
log.F("[mixed] socks5 peek error: %s", err)
// log.F("[mixed] socks5 peek error: %s", err)
return
}

2
proxy/redir/redir_linux.go
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@ -106,7 +106,7 @@ func (s *RedirProxy) Serve(c net.Conn) {
rc, err := s.dialer.Dial("tcp", tgt.String())
if err != nil {
log.F("[redir] failed to connect to target: %v", err)
log.F("[redir] %s <-> %s, error in dial: %v", c.RemoteAddr(), tgt, err)
return
}
defer rc.Close()

40
proxy/reject/reject.go Normal file
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@ -0,0 +1,40 @@
// Package reject implements a virtual proxy which always reject requests.
package reject
import (
"errors"
"net"
"github.com/nadoo/glider/proxy"
)
// A Reject represents the base struct of a reject proxy.
type Reject struct{}
func init() {
proxy.RegisterDialer("reject", NewRejectDialer)
}
// NewReject returns a reject proxy, reject://
func NewReject(s string, dialer proxy.Dialer) (*Reject, error) {
return &Reject{}, nil
}
// NewRejectDialer returns a reject proxy dialer.
func NewRejectDialer(s string, dialer proxy.Dialer) (proxy.Dialer, error) {
return NewReject(s, dialer)
}
// Addr returns forwarder's address.
func (s *Reject) Addr() string { return "reject" }
// NextDialer returns the next dialer.
func (s *Reject) NextDialer(dstAddr string) proxy.Dialer { return s }
// Dial connects to the address addr on the network net via the proxy.
func (s *Reject) Dial(network, addr string) (net.Conn, error) { return nil, errors.New("reject") }
// DialUDP connects to the given address via the proxy.
func (s *Reject) DialUDP(network, addr string) (net.PacketConn, net.Addr, error) {
return nil, nil, errors.New("reject")
}

2
proxy/socks5/socks5.go
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@ -132,7 +132,7 @@ func (s *SOCKS5) Serve(c net.Conn) {
rc, err := s.dialer.Dial("tcp", tgt.String())
if err != nil {
log.F("[socks5] failed to connect to target: %v", err)
log.F("[socks5] %s <-> %s, error in dial: %v", c.RemoteAddr(), tgt, err)
return
}
defer rc.Close()

2
proxy/ss/ss.go
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@ -149,7 +149,7 @@ func (s *SS) Serve(c net.Conn) {
rc, err := dialer.Dial(network, tgt.String())
if err != nil {
log.F("[ss] failed to connect to target: %v", err)
log.F("[ss] %s <-> %s, error in dial: %v", c.RemoteAddr(), tgt, err)
return
}
defer rc.Close()

7
proxy/tcptun/tcptun.go
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@ -55,12 +55,12 @@ func (s *TCPTun) ListenAndServe() {
return
}
log.F("listening TCP on %s", s.addr)
log.F("[tcptun] listening TCP on %s", s.addr)
for {
c, err := l.Accept()
if err != nil {
log.F("failed to accept: %v", err)
log.F("[tcptun] failed to accept: %v", err)
continue
}
@ -78,8 +78,7 @@ func (s *TCPTun) Serve(c net.Conn) {
rc, err := s.dialer.Dial("tcp", s.raddr)
if err != nil {
log.F("failed to connect to target: %v", err)
log.F("[tcptun] %s <-> %s, error in dial: %v", c.RemoteAddr(), s.addr, err)
return
}
defer rc.Close()