Signed-off-by: Dan Čermák <dcermak@suse.com>
This commit is contained in:
Dan Čermák
2022-03-17 13:40:46 +01:00
parent 248dbf6089
commit 63bf3991ef
28 changed files with 1939 additions and 313 deletions

View File

@@ -197,7 +197,7 @@ func (d *frameDec) reset(br byteBuffer) error {
default:
fcsSize = 1 << v
}
d.FrameContentSize = 0
d.FrameContentSize = fcsUnknown
if fcsSize > 0 {
b, err := br.readSmall(fcsSize)
if err != nil {
@@ -343,12 +343,7 @@ func (d *frameDec) runDecoder(dst []byte, dec *blockDec) ([]byte, error) {
err = ErrDecoderSizeExceeded
break
}
if d.SingleSegment && uint64(len(d.history.b)) > d.o.maxDecodedSize {
println("runDecoder: single segment and", uint64(len(d.history.b)), ">", d.o.maxDecodedSize)
err = ErrFrameSizeExceeded
break
}
if d.FrameContentSize > 0 && uint64(len(d.history.b)-crcStart) > d.FrameContentSize {
if uint64(len(d.history.b)-crcStart) > d.FrameContentSize {
println("runDecoder: FrameContentSize exceeded", uint64(len(d.history.b)-crcStart), ">", d.FrameContentSize)
err = ErrFrameSizeExceeded
break
@@ -356,13 +351,13 @@ func (d *frameDec) runDecoder(dst []byte, dec *blockDec) ([]byte, error) {
if dec.Last {
break
}
if debugDecoder && d.FrameContentSize > 0 {
if debugDecoder {
println("runDecoder: FrameContentSize", uint64(len(d.history.b)-crcStart), "<=", d.FrameContentSize)
}
}
dst = d.history.b
if err == nil {
if d.FrameContentSize > 0 && uint64(len(d.history.b)-crcStart) != d.FrameContentSize {
if d.FrameContentSize != fcsUnknown && uint64(len(d.history.b)-crcStart) != d.FrameContentSize {
err = ErrFrameSizeMismatch
} else if d.HasCheckSum {
var n int