Merge pull request #24 from xvzc/refactor

v0.61
This commit is contained in:
xvzc 2022-05-12 21:23:22 +09:00 committed by GitHub
commit 45fcca92e0
2 changed files with 50 additions and 56 deletions

View File

@ -2,7 +2,6 @@ package net
import ( import (
"errors" "errors"
"io"
"net" "net"
"time" "time"
@ -41,6 +40,11 @@ func (c *Conn) Write(b []byte) (n int, err error) {
return c.conn.Write(b) return c.conn.Write(b)
} }
func (c *Conn) SetReadDeadline(t time.Time) (error) {
c.conn.SetReadDeadline(t)
return nil
}
func (c *Conn) SetDeadLine(t time.Time) (error) { func (c *Conn) SetDeadLine(t time.Time) (error) {
c.conn.SetDeadline(t) c.conn.SetDeadline(t)
return nil return nil
@ -69,8 +73,6 @@ func (conn *Conn) ReadBytes() ([]byte, error) {
ret := make([]byte, 0) ret := make([]byte, 0)
buf := make([]byte, BUF_SIZE) buf := make([]byte, BUF_SIZE)
conn.conn.SetReadDeadline(time.Now().Add(5 * time.Second))
for { for {
n, err := conn.Read(buf) n, err := conn.Read(buf)
if err != nil { if err != nil {
@ -92,14 +94,17 @@ func (conn *Conn) ReadBytes() ([]byte, error) {
} }
func (lConn *Conn) HandleHttp(p *packet.HttpPacket) { func (lConn *Conn) HandleHttp(p *packet.HttpPacket) {
defer lConn.Close() defer func() {
lConn.Close()
log.Debug("[HTTP] Closing client Connection.. ", lConn.RemoteAddr())
}()
p.Tidy() p.Tidy()
ip, err := doh.Lookup(p.Domain()) ip, err := doh.Lookup(p.Domain())
if err != nil { if err != nil {
log.Error("[HTTP DOH] Error looking up for domain with ", p.Domain() , " ", err) log.Error("[HTTP DOH] Error looking up for domain with ", p.Domain() , " ", err)
lConn.Write([]byte(p.Version() + " 502 Bad Gateway\r\n\r\n")) lConn.Write([]byte(p.Version() + " 502 Bad Gateway\r\n\r\n"))
lConn.Close()
return return
} }
@ -114,38 +119,39 @@ func (lConn *Conn) HandleHttp(p *packet.HttpPacket) {
rConn, err := Dial("tcp", ip + port) rConn, err := Dial("tcp", ip + port)
if err != nil { if err != nil {
log.Debug("[HTTP] ", err) log.Debug("[HTTP] ", err)
lConn.Close()
return return
} }
defer rConn.Close()
log.Debug("[HTTP] Connected to ", p.Domain()) defer func() {
defer rConn.Close()
log.Debug("[HTTP] Closing server Connection.. ", p.Domain(), " ", rConn.LocalAddr())
}()
log.Debug("[HTTP] New connection to the server ", p.Domain(), " ", rConn.LocalAddr())
_, err = rConn.Write(p.Raw()) _, err = rConn.Write(p.Raw())
if err != nil { if err != nil {
log.Debug("[HTTP] Error sending request to ", p.Domain(), err) log.Debug("[HTTP] Error sending request to ", p.Domain(), err)
lConn.Close()
rConn.Close()
return return
} }
log.Debug("[HTTP] Sent a request to ", p.Domain()) log.Debug("[HTTP] Sent a request to ", p.Domain())
go io.Copy(lConn, rConn) go lConn.Serve(rConn, "[HTTP]", lConn.RemoteAddr().String(), p.Domain())
io.Copy(rConn, lConn) rConn.Serve(lConn, "[HTTP]", lConn.RemoteAddr().String(), p.Domain())
log.Debug("[HTTP] Closing Connection..", p.Domain())
} }
func (lConn *Conn) HandleHttps(p *packet.HttpPacket) { func (lConn *Conn) HandleHttps(p *packet.HttpPacket) {
defer lConn.Close() defer func() {
lConn.Close()
log.Debug("[HTTPS] Closing client Connection.. ", lConn.RemoteAddr())
}()
ip, err := doh.Lookup(p.Domain()) ip, err := doh.Lookup(p.Domain())
if err != nil { if err != nil {
log.Error("[HTTPS DOH] Error looking up for domain: ", p.Domain(), " ", err) log.Error("[HTTPS DOH] Error looking up for domain: ", p.Domain(), " ", err)
lConn.Write([]byte(p.Version() + " 502 Bad Gateway\r\n\r\n")) lConn.Write([]byte(p.Version() + " 502 Bad Gateway\r\n\r\n"))
lConn.Close()
return return
} }
@ -160,18 +166,19 @@ func (lConn *Conn) HandleHttps(p *packet.HttpPacket) {
rConn, err := Dial("tcp", ip + port) rConn, err := Dial("tcp", ip + port)
if err != nil { if err != nil {
log.Debug("[HTTPS] ", err) log.Debug("[HTTPS] ", err)
lConn.Close()
return return
} }
defer rConn.Close()
log.Debug("[HTTPS] Connected to ", p.Domain()) defer func() {
defer rConn.Close()
log.Debug("[HTTPS] Closing server Connection.. ", p.Domain(), " ", rConn.LocalAddr())
}()
log.Debug("[HTTPS] New connection to the server ", p.Domain(), " ", rConn.LocalAddr())
_, err = lConn.Write([]byte(p.Version() + " 200 Connection Established\r\n\r\n")) _, err = lConn.Write([]byte(p.Version() + " 200 Connection Established\r\n\r\n"))
if err != nil { if err != nil {
log.Debug("[HTTPS] Error sending 200 Connection Established to the client", err) log.Debug("[HTTPS] Error sending 200 Connection Established to the client", err)
lConn.Close()
rConn.Close()
return return
} }
log.Debug("[HTTPS] Sent 200 Connection Estabalished to the client") log.Debug("[HTTPS] Sent 200 Connection Estabalished to the client")
@ -180,9 +187,6 @@ func (lConn *Conn) HandleHttps(p *packet.HttpPacket) {
clientHello, err := lConn.ReadBytes() clientHello, err := lConn.ReadBytes()
if err != nil { if err != nil {
log.Debug("[HTTPS] Error reading client hello from the client", err) log.Debug("[HTTPS] Error reading client hello from the client", err)
log.Debug("[HTTPS] Closing local connection..")
lConn.Close()
rConn.Close()
return return
} }
@ -196,36 +200,27 @@ func (lConn *Conn) HandleHttps(p *packet.HttpPacket) {
if _, err := rConn.WriteChunks(chunks); err != nil { if _, err := rConn.WriteChunks(chunks); err != nil {
log.Debug("[HTTPS] Error writing client hello to ", p.Domain(), err) log.Debug("[HTTPS] Error writing client hello to ", p.Domain(), err)
lConn.Close()
rConn.Close()
return return
} }
go io.Copy(lConn, rConn) go lConn.Serve(rConn, "[HTTPS]", lConn.RemoteAddr().String(), p.Domain())
io.Copy(rConn, lConn) rConn.Serve(lConn, "[HTTPS]", lConn.RemoteAddr().String(), p.Domain())
log.Debug("[HTTPS] Closing Connection..", p.Domain())
} }
func (from *Conn) Serve(to *Conn, proto string, fd string, td string) { func (from *Conn) Serve(to *Conn, proto string, fd string, td string) {
defer from.Close()
defer to.Close()
proto += " " proto += " "
for { for {
from.conn.SetReadDeadline(time.Now().Add(2000 * time.Millisecond))
buf, err := from.ReadBytes() buf, err := from.ReadBytes()
if err != nil { if err != nil {
log.Debug(proto, "Error reading from ", fd, " ", err) log.Debug(proto, "Error reading from ", fd, " ", err)
break return
} }
// log.Debug(proto, fd, " sent data: ", len(buf), "bytes")
if _, err := to.Write(buf); err != nil { if _, err := to.Write(buf); err != nil {
log.Debug(proto, "Error Writing to ", td) log.Debug(proto, "Error Writing to ", td)
break return
} }
} }
} }

View File

@ -43,7 +43,6 @@ func (p *Proxy) Start() {
log.Fatal("Error accepting connection: ", err) log.Fatal("Error accepting connection: ", err)
continue continue
} }
conn.SetKeepAlive(false)
go func() { go func() {
b, err := conn.ReadBytes() b, err := conn.ReadBytes()