CONNECT: read responses one byte at a time

... so that it doesn't read data that is actually coming from the
remote. 2xx responses have no body from the proxy, that data is from the
peer.

Fixes #1132
This commit is contained in:
Daniel Stenberg 2016-11-30 00:09:13 +01:00
parent c50b878c15
commit 3ea3518429

View File

@ -328,9 +328,11 @@ CURLcode Curl_proxyCONNECT(struct connectdata *conn,
case 0: /* timeout */
break;
default:
DEBUGASSERT(ptr+BUFSIZE-nread <= data->state.buffer+BUFSIZE+1);
result = Curl_read(conn, tunnelsocket, ptr, BUFSIZE-nread,
&gotbytes);
if(ptr >= &data->state.buffer[BUFSIZE]) {
failf(data, "CONNECT response too large!");
return CURLE_RECV_ERROR;
}
result = Curl_read(conn, tunnelsocket, ptr, 1, &gotbytes);
if(result==CURLE_AGAIN)
continue; /* go loop yourself */
else if(result)
@ -445,15 +447,6 @@ CURLcode Curl_proxyCONNECT(struct connectdata *conn,
if(cl) {
infof(data, "Ignore %" CURL_FORMAT_CURL_OFF_T
" bytes of response-body\n", cl);
/* remove the remaining chunk of what we already
read */
cl -= (gotbytes - i);
if(cl<=0)
/* if the whole thing was already read, we are done!
*/
keepon=FALSE;
}
else if(chunked_encoding) {
CHUNKcode r;
@ -473,8 +466,8 @@ CURLcode Curl_proxyCONNECT(struct connectdata *conn,
/* now parse the chunked piece of data so that we can
properly tell when the stream ends */
r = Curl_httpchunk_read(conn, line_start+1,
gotbytes -i, &gotbytes);
r = Curl_httpchunk_read(conn, line_start+1, 1,
&gotbytes);
if(r == CHUNKE_STOP) {
/* we're done reading chunks! */
infof(data, "chunk reading DONE\n");