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-rw-r--r--vendor/golang.org/x/text/internal/export/idna/idna.go17
1 files changed, 16 insertions, 1 deletions
diff --git a/vendor/golang.org/x/text/internal/export/idna/idna.go b/vendor/golang.org/x/text/internal/export/idna/idna.go
index 9feea643e..e653c3367 100644
--- a/vendor/golang.org/x/text/internal/export/idna/idna.go
+++ b/vendor/golang.org/x/text/internal/export/idna/idna.go
@@ -309,7 +309,7 @@ func (p *Profile) process(s string, toASCII bool) (string, error) {
for ; len(s) > 0 && s[0] == '.'; s = s[1:] {
}
}
- // TODO: allow for a quick check the tables data.
+ // TODO: allow for a quick check of the tables data.
// It seems like we should only create this error on ToASCII, but the
// UTS 46 conformance tests suggests we should always check this.
if err == nil && p.verifyDNSLength && s == "" {
@@ -405,6 +405,9 @@ func validateRegistration(p *Profile, s string) (idem string, bidi bool, err err
}
for i := 0; i < len(s); {
v, sz := trie.lookupString(s[i:])
+ if sz == 0 {
+ return s, bidi, runeError(utf8.RuneError)
+ }
bidi = bidi || info(v).isBidi(s[i:])
// Copy bytes not copied so far.
switch p.simplify(info(v).category()) {
@@ -446,6 +449,15 @@ func validateAndMap(p *Profile, s string) (vm string, bidi bool, err error) {
var combinedInfoBits info
for i := 0; i < len(s); {
v, sz := trie.lookupString(s[i:])
+ if sz == 0 {
+ b = append(b, s[k:i]...)
+ b = append(b, "\ufffd"...)
+ k = len(s)
+ if err == nil {
+ err = runeError(utf8.RuneError)
+ }
+ break
+ }
combinedInfoBits |= info(v)
bidi = bidi || info(v).isBidi(s[i:])
start := i
@@ -584,6 +596,9 @@ func validateFromPunycode(p *Profile, s string) error {
// loop.
for i := 0; i < len(s); {
v, sz := trie.lookupString(s[i:])
+ if sz == 0 {
+ return runeError(utf8.RuneError)
+ }
if c := p.simplify(info(v).category()); c != valid && c != deviation {
return &labelError{s, "V6"}
}