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refactor

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This commit is contained in:
jerry901 2022-05-11 22:55:07 +09:00
parent 6a9bc1616d
commit 8893af16d3
1 changed files with 29 additions and 33 deletions
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62
net/conn.go
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@ -92,14 +92,17 @@ func (conn *Conn) ReadBytes() ([]byte, error) {
}
func (lConn *Conn) HandleHttp(p *packet.HttpPacket) {
defer lConn.Close()
defer func() {
lConn.Close()
log.Debug("[HTTP] Closing client Connection.. ", lConn.RemoteAddr())
}()
p.Tidy()
ip, err := doh.Lookup(p.Domain())
if err != nil {
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.Close()
return
}
@ -114,18 +117,18 @@ func (lConn *Conn) HandleHttp(p *packet.HttpPacket) {
rConn, err := Dial("tcp", ip + port)
if err != nil {
log.Debug("[HTTP] ", err)
lConn.Close()
return
}
defer rConn.Close()
defer func() {
defer rConn.Close()
log.Debug("[HTTP] Closing server Connection.. ", p.Domain(), " ", rConn.LocalAddr())
}()
log.Debug("[HTTP] Connected to ", p.Domain())
log.Debug("[HTTP] New connection to the server ", p.Domain(), " ", rConn.LocalAddr())
_, err = rConn.Write(p.Raw())
if err != nil {
log.Debug("[HTTP] Error sending request to ", p.Domain(), err)
lConn.Close()
rConn.Close()
return
}
@ -134,18 +137,18 @@ func (lConn *Conn) HandleHttp(p *packet.HttpPacket) {
go io.Copy(lConn, rConn)
io.Copy(rConn, lConn)
log.Debug("[HTTP] Closing Connection..", p.Domain())
}
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())
if err != nil {
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.Close()
return
}
@ -160,18 +163,18 @@ func (lConn *Conn) HandleHttps(p *packet.HttpPacket) {
rConn, err := Dial("tcp", ip + port)
if err != nil {
log.Debug("[HTTPS] ", err)
lConn.Close()
return
}
defer rConn.Close()
defer func() {
defer rConn.Close()
log.Debug("[HTTPS] Closing server Connection.. ", p.Domain(), " ", rConn.LocalAddr())
}()
log.Debug("[HTTPS] Connected to ", p.Domain())
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"))
if err != nil {
log.Debug("[HTTPS] Error sending 200 Connection Established to the client", err)
lConn.Close()
rConn.Close()
return
}
log.Debug("[HTTPS] Sent 200 Connection Estabalished to the client")
@ -180,9 +183,6 @@ func (lConn *Conn) HandleHttps(p *packet.HttpPacket) {
clientHello, err := lConn.ReadBytes()
if err != nil {
log.Debug("[HTTPS] Error reading client hello from the client", err)
log.Debug("[HTTPS] Closing local connection..")
lConn.Close()
rConn.Close()
return
}
@ -196,36 +196,32 @@ func (lConn *Conn) HandleHttps(p *packet.HttpPacket) {
if _, err := rConn.WriteChunks(chunks); err != nil {
log.Debug("[HTTPS] Error writing client hello to ", p.Domain(), err)
lConn.Close()
rConn.Close()
return
}
go io.Copy(lConn, rConn)
io.Copy(rConn, lConn)
log.Debug("[HTTPS] Closing Connection..", p.Domain())
// go io.Copy(lConn, rConn)
// io.Copy(rConn, lConn)
go lConn.Serve(rConn, "[HTTPS]", "client", p.Domain())
rConn.Serve(lConn, "[HTTPS]", p.Domain(), "client")
}
func (from *Conn) Serve(to *Conn, proto string, fd string, td string) {
defer from.Close()
defer to.Close()
proto += " "
for {
buf, err := from.ReadBytes()
if err != nil {
log.Debug(proto, "Error reading from ", fd, " ", err)
break
}
return
} else {
}
// log.Debug(proto, fd, " sent data: ", len(buf), "bytes")
if _, err := to.Write(buf); err != nil {
log.Debug(proto, "Error Writing to ", td)
break
}
return
} else {
}
}
}