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net: fix bugs in packStructValue

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packStructValue was cutting off last byte of uint32
in _Dns_msg.Unpack, use packRR for rr types

R=rsc
CC=golang-dev
https://golang.org/cl/844048
This commit is contained in:
Michael Hoisie 2010-04-18 14:46:24 -07:00 committed by Russ Cox
parent 3cfa2c3ddf
commit 13f81feb31
1 changed files with 4 additions and 4 deletions
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8
src/pkg/net/dnsmsg.go
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@ -389,7 +389,7 @@ func packStructValue(val *reflect.StructValue, msg []byte, off int) (off1 int, o
msg[off] = byte(i >> 24)
msg[off+1] = byte(i >> 16)
msg[off+2] = byte(i >> 8)
msg[off+4] = byte(i)
msg[off+3] = byte(i)
off += 4
case *reflect.StringValue:
// There are multiple string encodings.
@ -633,13 +633,13 @@ func (dns *_DNS_Msg) Pack() (msg []byte, ok bool) {
off, ok = packStruct(&question[i], msg, off)
}
for i := 0; i < len(answer); i++ {
off, ok = packStruct(answer[i], msg, off)
off, ok = packRR(answer[i], msg, off)
}
for i := 0; i < len(ns); i++ {
off, ok = packStruct(ns[i], msg, off)
off, ok = packRR(ns[i], msg, off)
}
for i := 0; i < len(extra); i++ {
off, ok = packStruct(extra[i], msg, off)
off, ok = packRR(extra[i], msg, off)
}
if !ok {
return nil, false