... to prevent a lingering pointer that would lead to a double-free. Added test 1939 to verify. Reported-by: Stephen M. Coakley Fixes #7982 Closes #7986
74 lines
2.1 KiB
C
74 lines
2.1 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) 1998 - 2021, 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.haxx.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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***************************************************************************/
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#include "test.h"
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#include "memdebug.h"
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int test(char *URL)
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{
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CURLM *multi;
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CURL *easy;
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int running_handles;
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curl_global_init(CURL_GLOBAL_DEFAULT);
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multi = curl_multi_init();
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if(!multi)
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return 1;
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easy = curl_easy_init();
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if(easy) {
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CURLcode c;
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CURLMcode m;
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/* Crash only happens when using HTTPS */
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c = curl_easy_setopt(easy, CURLOPT_URL, URL);
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if(!c)
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/* Any old HTTP tunneling proxy will do here */
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c = curl_easy_setopt(easy, CURLOPT_PROXY, libtest_arg2);
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if(c)
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return 2;
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/* We're going to drive the transfer using multi interface here, because we
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want to stop during the middle. */
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m = curl_multi_add_handle(multi, easy);
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if(!m)
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/* Run the multi handle once, just enough to start establishing an HTTPS
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connection. */
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m = curl_multi_perform(multi, &running_handles);
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if(m)
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return 3;
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/* Close the easy handle *before* the multi handle. Doing it the other way
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around avoids the issue. */
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curl_easy_cleanup(easy);
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}
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curl_multi_cleanup(multi); /* double-free happens here */
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curl_global_cleanup();
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return CURLE_OK;
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}
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