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fix: url parser should throw error on invalid ipv4 #42915

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merged 1 commit into from May 1, 2022
Merged

fix: url parser should throw error on invalid ipv4 #42915

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5 changes: 4 additions & 1 deletion src/node_url.cc
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Expand Up @@ -411,8 +411,11 @@ void URLHost::ParseIPv4Host(const char* input, size_t length, bool* is_ipv4) {
const char ch = pointer < end ? pointer[0] : kEOL;
int64_t remaining = end - pointer - 1;
if (ch == '.' || ch == kEOL) {
if (++parts > static_cast<int>(arraysize(numbers)))
// If parts’s size is greater than 4, validation error, return failure.
if (++parts > static_cast<int>(arraysize(numbers))) {
*is_ipv4 = true;
return;
}
if (pointer == mark)
return;
int64_t n = ParseNumber(mark, pointer);
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17 changes: 6 additions & 11 deletions test/fixtures/wpt/url/resources/urltestdata.json
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Expand Up @@ -5317,17 +5317,12 @@
{
"input": "http://256.256.256.256.256",
"base": "http://other.com/",
"href": "http://256.256.256.256.256/",
"origin": "http://256.256.256.256.256",
"protocol": "http:",
"username": "",
"password": "",
"host": "256.256.256.256.256",
"hostname": "256.256.256.256.256",
"port": "",
"pathname": "/",
"search": "",
"hash": ""
"failure": true
},
{
"input": "http://256.256.256.256.256.",
"base": "http://other.com/",
"failure": true
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test/fixtures/wpt should be updated using https://github.com/nodejs/node-core-utils/blob/main/docs/git-node.md#git-node-wpt

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This will introduce more failing tests. I've opened an additional issue in order to keep track of spec compliance and fix those issues.

},
{
"input": "https://0x.0x.0",
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