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net/http: reject non three digit status codes in ReadResponse

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Change-Id: If4a90c4017ef4b5c9f497cf117c8ad62b7e15c62
Reviewed-on: https://go-review.googlesource.com/18501
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Emmanuel Odeke 2016-01-10 23:20:06 -07:00 • committed by Brad Fitzpatrick
parent 3d01f28e47
commit 46069bed06
2 changed files with 16 additions and 5 deletions
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10
src/net/http/response.go
View file

@ -150,12 +150,14 @@ func ReadResponse(r *bufio.Reader, req *Request) (*Response, error) {
if len(f) > 2 {
reasonPhrase = f[2]
}
resp.Status = f[1] + " " + reasonPhrase
resp.StatusCode, err = strconv.Atoi(f[1])
if err != nil {
if len(f[1]) != 3 {
return nil, &badStringError{"malformed HTTP status code", f[1]}
}
resp.StatusCode, err = strconv.Atoi(f[1])
if err != nil || resp.StatusCode < 0 {
return nil, &badStringError{"malformed HTTP status code", f[1]}
}
resp.Status = f[1] + " " + reasonPhrase
resp.Proto = f[0]
var ok bool
if resp.ProtoMajor, resp.ProtoMinor, ok = ParseHTTPVersion(resp.Proto); !ok {

11
src/net/http/response_test.go
View file

@ -798,7 +798,16 @@ func TestReadResponseErrors(t *testing.T) {
status("c8 OK", true),
status("0x12d Moved Permanently", true),
status("200 OK", nil),
status("20 OK", nil), // TODO: wrong. we should reject non-three digit
status("000 OK", nil),
status("001 OK", nil),
status("404 NOTFOUND", nil),
status("20 OK", true),
status("00 OK", true),
status("-10 OK", true),
status("1000 OK", true),
status("999 Done", nil),
status("-1 OK", true),
status("-200 OK", true),
version("HTTP/1.2", nil),
version("HTTP/2.0", nil),
version("HTTP/1.100000000002", true),