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tar/asm: check length before adding an entry

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This commit is contained in:
Vincent Batts 2015-08-11 15:51:19 -04:00
parent 51b0481d4a
commit df8572a1eb
1 changed files with 18 additions and 13 deletions
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13
tar/asm/disassemble.go
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@ -55,27 +55,32 @@ func NewInputTarStream(r io.Reader, p storage.Packer, fp storage.FilePutter) (io
} }
// even when an EOF is reached, there is often 1024 null bytes on // even when an EOF is reached, there is often 1024 null bytes on
// the end of an archive. Collect them too. // the end of an archive. Collect them too.
if b := tr.RawBytes(); len(b) > 0 {
_, err := p.AddEntry(storage.Entry{ _, err := p.AddEntry(storage.Entry{
Type: storage.SegmentType, Type: storage.SegmentType,
Payload: tr.RawBytes(), Payload: b,
}) })
if err != nil { if err != nil {
pW.CloseWithError(err) pW.CloseWithError(err)
return return
} }
}
break // not return. We need the end of the reader. break // not return. We need the end of the reader.
} }
if hdr == nil { if hdr == nil {
break // not return. We need the end of the reader. break // not return. We need the end of the reader.
} }
if _, err := p.AddEntry(storage.Entry{ if b := tr.RawBytes(); len(b) > 0 {
_, err := p.AddEntry(storage.Entry{
Type: storage.SegmentType, Type: storage.SegmentType,
Payload: tr.RawBytes(), Payload: b,
}); err != nil { })
if err != nil {
pW.CloseWithError(err) pW.CloseWithError(err)
return return
} }
}
var csum []byte var csum []byte
if hdr.Size > 0 { if hdr.Size > 0 {