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17af2bca58
- HEADERFUNCTIONS might inspect response properties like CURLINFO_CONTENT_LENGTH_DOWNLOAD_T on seeing the last header line. If the line is being written before this is initialized, values are not available. - write the last header line late when analyzing a HTTP response so that all information is available at the time of the writing. - add test1485 to verify that CURLINFO_CONTENT_LENGTH_DOWNLOAD_T works on seeing the last header. Fixes #13752 Reported-by: Harry Sintonen Closes #13757
121 lines
3.6 KiB
C
121 lines
3.6 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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#include "test.h"
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#include "testutil.h"
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#include "warnless.h"
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#include "memdebug.h"
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struct transfer_status {
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CURL *easy;
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curl_off_t out_len;
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size_t hd_line;
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CURLcode result;
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int http_status;
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};
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static size_t header_callback(void *ptr, size_t size, size_t nmemb,
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void *userp)
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{
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struct transfer_status *st = (struct transfer_status *)userp;
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const char *hd = ptr;
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size_t len = size * nmemb;
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CURLcode result;
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(void)fwrite(ptr, size, nmemb, stdout);
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++st->hd_line;
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if(len == 2 && hd[0] == '\r' && hd[1] == '\n') {
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curl_off_t clen;
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long httpcode = 0;
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/* end of a response */
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result = curl_easy_getinfo(st->easy, CURLINFO_RESPONSE_CODE, &httpcode);
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fprintf(stderr, "header_callback, get status: %ld, %d\n",
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httpcode, result);
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if(httpcode < 100 || httpcode >= 1000) {
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fprintf(stderr, "header_callback, invalid status: %ld, %d\n",
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httpcode, result);
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return CURLE_WRITE_ERROR;
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}
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st->http_status = (int)httpcode;
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if(st->http_status >= 200 && st->http_status < 300) {
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result = curl_easy_getinfo(st->easy, CURLINFO_CONTENT_LENGTH_DOWNLOAD_T,
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&clen);
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fprintf(stderr, "header_callback, info Content-Length: %ld, %d\n",
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(long)clen, result);
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if(result) {
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st->result = result;
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return CURLE_WRITE_ERROR;
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}
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if(clen < 0) {
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fprintf(stderr, "header_callback, expected known Content-Length, "
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"got: %ld\n", (long)clen);
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return CURLE_WRITE_ERROR;
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}
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}
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}
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return len;
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}
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static size_t write_callback(void *ptr, size_t size, size_t nmemb, void *userp)
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{
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struct transfer_status *st = (struct transfer_status *)userp;
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size_t len = size * nmemb;
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fwrite(ptr, size, nmemb, stdout);
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st->out_len += (curl_off_t)len;
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return len;
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}
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CURLcode test(char *URL)
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{
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CURL *curls = NULL;
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CURLcode res = CURLE_OK;
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struct transfer_status st;
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start_test_timing();
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memset(&st, 0, sizeof(st));
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global_init(CURL_GLOBAL_ALL);
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easy_init(curls);
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st.easy = curls; /* to allow callbacks access */
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easy_setopt(curls, CURLOPT_URL, URL);
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easy_setopt(curls, CURLOPT_WRITEFUNCTION, write_callback);
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easy_setopt(curls, CURLOPT_WRITEDATA, &st);
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easy_setopt(curls, CURLOPT_HEADERFUNCTION, header_callback);
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easy_setopt(curls, CURLOPT_HEADERDATA, &st);
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easy_setopt(curls, CURLOPT_NOPROGRESS, 1L);
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res = curl_easy_perform(curls);
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test_cleanup:
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curl_easy_cleanup(curls);
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curl_global_cleanup();
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return res; /* return the final return code */
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}
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