return CURLE_OK;
}
+static CURLcode http_write_header(struct Curl_easy *data,
+ const char *hd, size_t hdlen)
+{
+ CURLcode result;
+ int writetype;
+
+ /* now, only output this if the header AND body are requested:
+ */
+ Curl_debug(data, CURLINFO_HEADER_IN, (char *)hd, hdlen);
+
+ writetype = CLIENTWRITE_HEADER |
+ ((data->req.httpcode/100 == 1) ? CLIENTWRITE_1XX : 0);
+
+ result = Curl_client_write(data, writetype, hd, hdlen);
+ if(result)
+ return result;
+
+ result = Curl_bump_headersize(data, hdlen, FALSE);
+ if(result)
+ return result;
+
+ data->req.deductheadercount = (100 <= data->req.httpcode &&
+ 199 >= data->req.httpcode)?
+ data->req.headerbytecount:0;
+ return result;
+}
static CURLcode http_on_response(struct Curl_easy *data,
+ const char *last_hd, size_t last_hd_len,
const char *buf, size_t blen,
size_t *pconsumed)
{
conn->bundle->multiuse = BUNDLE_NO_MULTIUSE;
}
+ if(k->httpcode < 200 && last_hd) {
+ /* Intermediate responses might trigger processing of more
+ * responses, write the last header to the client before
+ * proceeding. */
+ result = http_write_header(data, last_hd, last_hd_len);
+ last_hd = NULL; /* handled it */
+ if(result)
+ goto out;
+ }
+
if(k->httpcode < 100) {
failf(data, "Unsupported response code in HTTP response");
- return CURLE_UNSUPPORTED_PROTOCOL;
+ result = CURLE_UNSUPPORTED_PROTOCOL;
+ goto out;
}
else if(k->httpcode < 200) {
/* "A user agent MAY ignore unexpected 1xx status responses."
break;
case 101:
/* Switching Protocols only allowed from HTTP/1.1 */
+
if(conn->httpversion != 11) {
/* invalid for other HTTP versions */
failf(data, "unexpected 101 response code");
- return CURLE_WEIRD_SERVER_REPLY;
+ result = CURLE_WEIRD_SERVER_REPLY;
+ goto out;
}
if(k->upgr101 == UPGR101_H2) {
/* Switching to HTTP/2, where we will get more responses */
* be processed. */
result = Curl_http2_upgrade(data, conn, FIRSTSOCKET, buf, blen);
if(result)
- return result;
+ goto out;
*pconsumed += blen;
}
#ifdef USE_WEBSOCKETS
* WebSockets format and taken in by the protocol handler. */
result = Curl_ws_accept(data, buf, blen);
if(result)
- return result;
+ goto out;
*pconsumed += blen; /* ws accept handled the data */
k->header = FALSE; /* we will not get more responses */
if(data->set.connect_only)
* to receive a final response eventually. */
break;
}
- return result;
+ goto out;
}
/* k->httpcode >= 200, final response */
/* All >=200 HTTP status codes are errors when wanting websockets */
if(data->req.upgr101 == UPGR101_WS) {
failf(data, "Refused WebSockets upgrade: %d", k->httpcode);
- return CURLE_HTTP_RETURNED_ERROR;
+ result = CURLE_HTTP_RETURNED_ERROR;
+ goto out;
}
#endif
if(http_should_fail(data, data->req.httpcode)) {
failf(data, "The requested URL returned error: %d",
k->httpcode);
- return CURLE_HTTP_RETURNED_ERROR;
+ result = CURLE_HTTP_RETURNED_ERROR;
+ goto out;
}
/* Curl_http_auth_act() checks what authentication methods
* use. It will set 'newurl' if an auth method was picked. */
result = Curl_http_auth_act(data);
if(result)
- return result;
+ goto out;
if(k->httpcode >= 300) {
if((!data->req.authneg) && !conn->bits.close &&
"Stop sending data before everything sent");
result = http_perhapsrewind(data, conn);
if(result)
- return result;
+ goto out;
}
data->state.disableexpect = TRUE;
DEBUGASSERT(!data->req.newurl);
streamclose(conn, "Stop sending data before everything sent");
result = Curl_req_abort_sending(data);
if(result)
- return result;
+ goto out;
}
}
break;
*/
result = Curl_http_size(data);
if(result)
- return result;
+ goto out;
/* If we requested a "no body", this is a good time to get
* out and return home.
k->download_done = TRUE;
/* final response without error, prepare to receive the body */
- return Curl_http_firstwrite(data);
+ result = Curl_http_firstwrite(data);
+
+out:
+ if(last_hd) {
+ /* if not written yet, write it now */
+ CURLcode r2 = http_write_header(data, last_hd, last_hd_len);
+ if(!result)
+ result = r2;
+ }
+ return result;
}
static CURLcode http_rw_hd(struct Curl_easy *data,
*pconsumed = 0;
if((0x0a == *hd) || (0x0d == *hd)) {
/* Empty header line means end of headers! */
+ struct dynbuf last_header;
size_t consumed;
- /* now, only output this if the header AND body are requested:
- */
- Curl_debug(data, CURLINFO_HEADER_IN, (char *)hd, hdlen);
-
- writetype = CLIENTWRITE_HEADER |
- ((k->httpcode/100 == 1) ? CLIENTWRITE_1XX : 0);
-
- result = Curl_client_write(data, writetype, hd, hdlen);
- if(result)
- return result;
-
- result = Curl_bump_headersize(data, hdlen, FALSE);
+ Curl_dyn_init(&last_header, hdlen + 1);
+ result = Curl_dyn_addn(&last_header, hd, hdlen);
if(result)
return result;
- data->req.deductheadercount =
- (100 <= k->httpcode && 199 >= k->httpcode)?data->req.headerbytecount:0;
-
/* analyze the response to find out what to do. */
/* Caveat: we clear anything in the header brigade, because a
* response might switch HTTP version which may call use recursively.
* Not nice, but that is currently the way of things. */
Curl_dyn_reset(&data->state.headerb);
- result = http_on_response(data, buf_remain, blen, &consumed);
- if(result)
- return result;
+ result = http_on_response(data, Curl_dyn_ptr(&last_header),
+ Curl_dyn_len(&last_header),
+ buf_remain, blen, &consumed);
*pconsumed += consumed;
- return CURLE_OK;
+ Curl_dyn_free(&last_header);
+ return result;
}
/*
--- /dev/null
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+#include "test.h"
+
+#include "testutil.h"
+#include "warnless.h"
+#include "memdebug.h"
+
+struct transfer_status {
+ CURL *easy;
+ curl_off_t out_len;
+ size_t hd_line;
+ CURLcode result;
+ int http_status;
+};
+
+static size_t header_callback(void *ptr, size_t size, size_t nmemb,
+ void *userp)
+{
+ struct transfer_status *st = (struct transfer_status *)userp;
+ const char *hd = ptr;
+ size_t len = size * nmemb;
+ CURLcode result;
+
+ (void)fwrite(ptr, size, nmemb, stdout);
+ ++st->hd_line;
+ if(len == 2 && hd[0] == '\r' && hd[1] == '\n') {
+ curl_off_t clen;
+ long httpcode = 0;
+ /* end of a response */
+ result = curl_easy_getinfo(st->easy, CURLINFO_RESPONSE_CODE, &httpcode);
+ fprintf(stderr, "header_callback, get status: %ld, %d\n",
+ httpcode, result);
+ if(httpcode < 100 || httpcode >= 1000) {
+ fprintf(stderr, "header_callback, invalid status: %ld, %d\n",
+ httpcode, result);
+ return CURLE_WRITE_ERROR;
+ }
+ st->http_status = (int)httpcode;
+ if(st->http_status >= 200 && st->http_status < 300) {
+ result = curl_easy_getinfo(st->easy, CURLINFO_CONTENT_LENGTH_DOWNLOAD_T,
+ &clen);
+ fprintf(stderr, "header_callback, info Content-Length: %ld, %d\n",
+ (long)clen, result);
+ if(result) {
+ st->result = result;
+ return CURLE_WRITE_ERROR;
+ }
+ if(clen < 0) {
+ fprintf(stderr, "header_callback, expected known Content-Length, "
+ "got: %ld\n", (long)clen);
+ return CURLE_WRITE_ERROR;
+ }
+ }
+ }
+ return len;
+}
+
+static size_t write_callback(void *ptr, size_t size, size_t nmemb, void *userp)
+{
+ struct transfer_status *st = (struct transfer_status *)userp;
+ size_t len = size * nmemb;
+ fwrite(ptr, size, nmemb, stdout);
+ st->out_len += (curl_off_t)len;
+ return len;
+}
+
+CURLcode test(char *URL)
+{
+ CURL *curls = NULL;
+ CURLcode res = CURLE_OK;
+ struct transfer_status st;
+
+ start_test_timing();
+
+ memset(&st, 0, sizeof(st));
+
+ global_init(CURL_GLOBAL_ALL);
+
+ easy_init(curls);
+ st.easy = curls; /* to allow callbacks access */
+
+ easy_setopt(curls, CURLOPT_URL, URL);
+ easy_setopt(curls, CURLOPT_WRITEFUNCTION, write_callback);
+ easy_setopt(curls, CURLOPT_WRITEDATA, &st);
+ easy_setopt(curls, CURLOPT_HEADERFUNCTION, header_callback);
+ easy_setopt(curls, CURLOPT_HEADERDATA, &st);
+
+ easy_setopt(curls, CURLOPT_NOPROGRESS, 1L);
+
+ res = curl_easy_perform(curls);
+
+test_cleanup:
+
+ curl_easy_cleanup(curls);
+ curl_global_cleanup();
+
+ return res; /* return the final return code */
+}