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Just some commented-out SetReadDeadline() experiments

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This commit is contained in:
Russ Magee 2018-01-16 18:30:57 -08:00
parent 942b8865cf
commit e09f052f45
2 changed files with 17 additions and 5 deletions
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1
demo/server/server.go
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@ -35,7 +35,6 @@ func main() {
if err != nil {
log.Fatal(err)
}
fmt.Println("Accepted client")
// Handle the connection in a new goroutine.

19
hkexnet.go
View file

@ -27,12 +27,14 @@ import (
"fmt"
"math/big"
"net"
"time"
)
/*---------------------------------------------------------------------*/
// Conn is a HKex connection - a drop-in replacement for net.Conn
type Conn struct {
//net.Conn
c net.Conn // which also implements io.Reader, io.Writer, ...
h *HerraduraKEx
cipheropts uint32 // post-KEx cipher/hmac options
@ -42,6 +44,10 @@ type Conn struct {
w cipher.Stream
}
func (c *Conn) SetReadDeadline(t time.Time) error {
return c.SetReadDeadline(t)
}
// ConnOpts returns the cipher/hmac options value, which is sent to the
// peer but is not itself part of the KEx.
//
@ -141,7 +147,7 @@ func Dial(protocol string, ipport string, extensions ...string) (hc *Conn, err e
if err != nil {
return nil, err
}
hc = &Conn{c: c, h: New(0, 0), cipheropts: 0, opts: 0, op:0, r: nil, w: nil}
hc = &Conn{c: c, h: New(0, 0), cipheropts: 0, opts: 0, op: 0, r: nil, w: nil}
hc.applyConnExtensions(extensions...)
@ -218,7 +224,7 @@ func (hl *HKExListener) Accept() (hc Conn, err error) {
}
fmt.Println("[Accepted]")
hc = Conn{c: c, h: New(0, 0), cipheropts: 0, opts: 0, op:0, r: nil, w: nil}
hc = Conn{c: c, h: New(0, 0), cipheropts: 0, opts: 0, op: 0, r: nil, w: nil}
d := big.NewInt(0)
_, err = fmt.Fscanln(c, d)
@ -243,6 +249,7 @@ func (hl *HKExListener) Accept() (hc Conn, err error) {
hc.w = hc.getStream(hc.h.fa)
return
}
/*---------------------------------------------------------------------*/
// Read into a byte slice
@ -250,9 +257,15 @@ func (hl *HKExListener) Accept() (hc Conn, err error) {
// See go doc io.Reader
func (c Conn) Read(b []byte) (n int, err error) {
fmt.Printf("[Decrypting...]\n")
//c.c.SetReadDeadline(time.Now().Add(1 * time.Second))
n, err = c.c.Read(b)
if err != nil && err.Error() != "EOF" {
panic(err)
//if neterr, ok := err.(net.Error); ok {
// fmt.Printf("[Read() timeout - %s]\n", neterr)
//} else {
// panic(err)
//}
}
fmt.Printf(" ctext:%+v\n", b[:n]) // print only used portion
db := bytes.NewBuffer(b[:n])