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-rw-r--r--src/net/http/httputil/reverseproxy.go27
-rw-r--r--src/net/http/httputil/reverseproxy_test.go2
2 files changed, 2 insertions, 27 deletions
diff --git a/src/net/http/httputil/reverseproxy.go b/src/net/http/httputil/reverseproxy.go
index 190279ca00..ad0221ff33 100644
--- a/src/net/http/httputil/reverseproxy.go
+++ b/src/net/http/httputil/reverseproxy.go
@@ -816,34 +816,9 @@ func (c switchProtocolCopier) copyToBackend(errc chan<- error) {
}
func cleanQueryParams(s string) string {
- reencode := func(s string) string {
+ if strings.Contains(s, ";") {
v, _ := url.ParseQuery(s)
return v.Encode()
}
- for i := 0; i < len(s); {
- switch s[i] {
- case ';':
- return reencode(s)
- case '%':
- if i+2 >= len(s) || !ishex(s[i+1]) || !ishex(s[i+2]) {
- return reencode(s)
- }
- i += 3
- default:
- i++
- }
- }
return s
}
-
-func ishex(c byte) bool {
- switch {
- case '0' <= c && c <= '9':
- return true
- case 'a' <= c && c <= 'f':
- return true
- case 'A' <= c && c <= 'F':
- return true
- }
- return false
-}
diff --git a/src/net/http/httputil/reverseproxy_test.go b/src/net/http/httputil/reverseproxy_test.go
index 5b882d3a45..5a0237494c 100644
--- a/src/net/http/httputil/reverseproxy_test.go
+++ b/src/net/http/httputil/reverseproxy_test.go
@@ -1831,7 +1831,7 @@ func testReverseProxyQueryParameterSmuggling(t *testing.T, wantCleanQuery bool,
cleanQuery: "a=1",
}, {
rawQuery: "a=1&a=%zz&b=3",
- cleanQuery: "a=1&b=3",
+ cleanQuery: "a=1&a=%zz&b=3",
}} {
res, err := frontend.Client().Get(frontend.URL + "?" + test.rawQuery)
if err != nil {