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encoding/xml: allow ]]> in attribute values

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This is permitted by the XML specification.

Fixes #68387

Change-Id: Ic4ab5520a08a5a997f1c3d13c6d5f80c0521e45c
GitHub-Last-Rev: 6d2ac307bb
GitHub-Pull-Request: golang/go#69197
Reviewed-on: https://go-review.googlesource.com/c/go/+/610056
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
This commit is contained in:
Demi Marie Obenour 2024-09-03 01:33:29 +00:00 committed by Gopher Robot
parent 6450a988a7
commit 794b0a0748
2 changed files with 27 additions and 2 deletions
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5
src/encoding/xml/xml.go
View File

@ -1004,8 +1004,9 @@ Input:
}
// <![CDATA[ section ends with ]]>.
// It is an error for ]]> to appear in ordinary text.
if b0 == ']' && b1 == ']' && b == '>' {
// It is an error for ]]> to appear in ordinary text,
// but it is allowed in quoted strings.
if quote < 0 && b0 == ']' && b1 == ']' && b == '>' {
if cdata {
trunc = 2
break Input

24
src/encoding/xml/xml_test.go
View File

@ -626,6 +626,30 @@ type item struct {
FieldA string
}
func TestIssue68387(t *testing.T) {
data := `<item b=']]>'/>`
dec := NewDecoder(strings.NewReader(data))
var tok1, tok2, tok3 Token
var err error
if tok1, err = dec.RawToken(); err != nil {
t.Fatalf("RawToken() failed: %v", err)
}
if tok2, err = dec.RawToken(); err != nil {
t.Fatalf("RawToken() failed: %v", err)
}
if tok3, err = dec.RawToken(); err != io.EOF || tok3 != nil {
t.Fatalf("Missed EOF")
}
s := StartElement{Name{"", "item"}, []Attr{Attr{Name{"","b"}, "]]>"}}}
if !reflect.DeepEqual(tok1.(StartElement), s) {
t.Error("Wrong start element")
}
e := EndElement{Name{"","item"}}
if tok2.(EndElement) != e {
t.Error("Wrong end element")
}
}
func TestIssue569(t *testing.T) {
data := `<item><FieldA>abcd</FieldA></item>`
var i item