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d4-goclient
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First version compatible with server.py

nosocat
Jean-Louis Huynen 2019-01-11 10:46:55 +01:00
parent 8e92187f01
commit 066f29e8d1
1 changed files with 2 additions and 13 deletions
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15
d4-goclient.go
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@ -228,7 +228,7 @@ func d4transfer(d4 *d4S) {
if err != io.EOF {
log.Fatal(err)
} else if (*d4).debug {
log.Fatal(err)
os.Exit(0)
}
}
// And push it into the d4writer -> sink chain
@ -267,7 +267,6 @@ func (d4w *d4Writer) updateHeader(bs []byte) bool {
pe = ps + 4
// Set payload size
binary.LittleEndian.PutUint32(d4w.d4header[ps:pe], uint32(len(bs)))
return true
}
@ -282,14 +281,13 @@ func (d4w *d4Writer) updateHMAC() bool {
// timestamp
h.Write(d4w.d4header[18:26])
// hmac (0)
h.Write(d4w.d4header[26:58])
h.Write(make([]byte, 32))
// size
h.Write(d4w.d4header[58:])
// payload
h.Write(d4w.payload)
// final hmac
copy(d4w.d4header[26:58], h.Sum(nil))
return true
}
@ -316,16 +314,7 @@ func (d4w *d4Writer) initHeader(d4 *d4S) bool {
pe = ps + 4
// init size of payload at 0
binary.LittleEndian.PutUint32(d4w.d4header[ps:pe], uint32(0))
// LittleEndian
// toto := append(make([]byte, 0), byte((*d4).conf.snaplen), byte((*d4).conf.snaplen>>8), byte((*d4).conf.snaplen>>16), byte((*d4).conf.snaplen>>24))
// BigEndian
// toto := append(make([]byte, 0), byte((*d4).conf.snaplen>>24), byte((*d4).conf.snaplen>>16), byte((*d4).conf.snaplen>>8), byte((*d4).conf.snaplen))
// tmpi := binary.BigEndian.Uint32(toto)
// tmpt := binary.LittleEndian.Uint32(others)
// fmt.Println(tmpi)
infof(fmt.Sprintf("Initialized a %d bytes header:\n", len(d4w.d4header)))
infof(fmt.Sprintf("%b\n", d4w.d4header))
return true
}