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http: do not crash accessing r.Form if ParseForm fails

Fixes #233.

R=dsymonds1
https://golang.org/cl/154179
This commit is contained in:
Russ Cox 2009-11-17 14:45:10 -08:00
parent 4dfd7fdde5
commit 849e6f99b8
2 changed files with 6 additions and 7 deletions

View File

@ -576,7 +576,7 @@ func ReadRequest(b *bufio.Reader) (req *Request, err os.Error) {
return req, nil;
}
func parseForm(query string) (m map[string][]string, err os.Error) {
func parseForm(m map[string][]string, query string) (err os.Error) {
data := make(map[string]*vector.StringVector);
for _, kv := range strings.Split(query, "&", 0) {
kvPair := strings.Split(kv, "=", 2);
@ -599,7 +599,6 @@ func parseForm(query string) (m map[string][]string, err os.Error) {
vec.Push(value);
}
m = make(map[string][]string);
for k, vec := range data {
m[k] = vec.Data()
}
@ -613,9 +612,9 @@ func (r *Request) ParseForm() (err os.Error) {
if r.Form != nil {
return
}
r.Form = make(map[string][]string);
var query string;
switch r.Method {
case "GET":
query = r.URL.RawQuery
@ -628,7 +627,7 @@ func (r *Request) ParseForm() (err os.Error) {
case "text/plain", "application/x-www-form-urlencoded", "":
var b []byte;
if b, err = io.ReadAll(r.Body); err != nil {
return
return err
}
query = string(b);
// TODO(dsymonds): Handle multipart/form-data
@ -636,8 +635,7 @@ func (r *Request) ParseForm() (err os.Error) {
return &badStringError{"unknown Content-Type", ct}
}
}
r.Form, err = parseForm(query);
return;
return parseForm(r.Form, query);
}
// FormValue returns the first value for the named component of the query.

View File

@ -33,7 +33,8 @@ var parseTests = []parseTest{
func TestParseForm(t *testing.T) {
for i, test := range parseTests {
form, err := parseForm(test.query);
form := make(map[string][]string);
err := parseForm(form, test.query);
if err != nil {
t.Errorf("test %d: Unexpected error: %v", i, err);
continue;