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https://github.com/moparisthebest/curl
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http: allow overriding timecond with custom header
With CURLOPT_TIMECONDITION set, a header is automatically added (e.g. If-Modified-Since). Allow this to be replaced or suppressed with CURLOPT_HTTPHEADER. Fixes #4103 Closes #4109
This commit is contained in:
Peter Simonyi
Daniel Stenberg
parent
ac3d19a26d
commit
855887af79
14
lib/http.c
14
lib/http.c
@ -1881,9 +1881,10 @@ CURLcode Curl_add_custom_headers(struct connectdata *conn,
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}
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#ifndef CURL_DISABLE_PARSEDATE
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CURLcode Curl_add_timecondition(struct Curl_easy *data,
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CURLcode Curl_add_timecondition(const struct connectdata *conn,
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Curl_send_buffer *req_buffer)
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{
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struct Curl_easy *data = conn->data;
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const struct tm *tm;
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struct tm keeptime;
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CURLcode result;
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@ -1916,6 +1917,11 @@ CURLcode Curl_add_timecondition(struct Curl_easy *data,
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break;
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}
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if(Curl_checkheaders(conn, condp)) {
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/* A custom header was specified; it will be sent instead. */
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return CURLE_OK;
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}
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/* The If-Modified-Since header family should have their times set in
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* GMT as RFC2616 defines: "All HTTP date/time stamps MUST be
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* represented in Greenwich Mean Time (GMT), without exception. For the
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@ -1941,10 +1947,10 @@ CURLcode Curl_add_timecondition(struct Curl_easy *data,
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}
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#else
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/* disabled */
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CURLcode Curl_add_timecondition(struct Curl_easy *data,
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CURLcode Curl_add_timecondition(const struct connectdata *conn,
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Curl_send_buffer *req_buffer)
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{
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(void)data;
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(void)conn;
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(void)req_buffer;
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return CURLE_OK;
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}
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@ -2683,7 +2689,7 @@ CURLcode Curl_http(struct connectdata *conn, bool *done)
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}
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#endif
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result = Curl_add_timecondition(data, req_buffer);
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result = Curl_add_timecondition(conn, req_buffer);
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if(result)
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return result;
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@ -69,7 +69,7 @@ CURLcode Curl_add_buffer_send(Curl_send_buffer **inp,
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size_t included_body_bytes,
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int socketindex);
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CURLcode Curl_add_timecondition(struct Curl_easy *data,
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CURLcode Curl_add_timecondition(const struct connectdata *conn,
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Curl_send_buffer *buf);
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CURLcode Curl_add_custom_headers(struct connectdata *conn,
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bool is_connect,
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@ -491,7 +491,7 @@ static CURLcode rtsp_do(struct connectdata *conn, bool *done)
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return result;
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if((rtspreq == RTSPREQ_SETUP) || (rtspreq == RTSPREQ_DESCRIBE)) {
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result = Curl_add_timecondition(data, req_buffer);
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result = Curl_add_timecondition(conn, req_buffer);
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if(result)
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return result;
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}
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@ -177,7 +177,7 @@ test1540 test1541 \
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test1550 test1551 test1552 test1553 test1554 test1555 test1556 test1557 \
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test1558 test1559 test1560 test1561 test1562 \
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\
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test1590 test1591 test1592 \
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test1590 test1591 test1592 test1593 \
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\
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test1600 test1601 test1602 test1603 test1604 test1605 test1606 test1607 \
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test1608 test1609 test1620 test1621 \
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49
tests/data/test1593
Normal file
49
tests/data/test1593
Normal file
@ -0,0 +1,49 @@
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<testcase>
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<info>
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<keywords>
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HTTP
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HTTP GET
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HTTP replaced headers
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CURLOPT_TIMECONDITION
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If-Modified-Since
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</keywords>
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</info>
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# Server-side
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<reply>
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<data nocheck="yes">
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HTTP/1.1 304 Not Modified
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Date: Thu, 11 Jul 2019 02:26:59 GMT
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Server: test-server/swsclose
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</data>
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</reply>
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# Client-side
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<client>
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<server>
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http
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</server>
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<name>
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HTTP custom header overrides CURLOPT_TIMECONDITION
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</name>
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<tool>
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lib1593
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</tool>
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<command>
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http://%HOSTIP:%HTTPPORT/1593
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</command>
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</client>
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<verify>
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<strip>
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^User-Agent:.*
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</strip>
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# Note here the lack of If-Modified-Since
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<protocol>
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GET /1593 HTTP/1.1
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Host: %HOSTIP:%HTTPPORT
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Accept: */*
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</protocol>
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</verify>
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</testcase>
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@ -32,7 +32,7 @@ noinst_PROGRAMS = chkhostname libauthretry libntlmconnect \
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lib1540 lib1541 \
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lib1550 lib1551 lib1552 lib1553 lib1554 lib1555 lib1556 lib1557 \
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lib1558 lib1559 lib1560 \
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lib1591 lib1592 \
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lib1591 lib1592 lib1593 \
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lib1900 lib1905 lib1906 \
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lib2033
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@ -541,6 +541,9 @@ lib1592_SOURCES = lib1592.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
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lib1592_LDADD = $(TESTUTIL_LIBS)
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lib1592_CPPFLAGS = $(AM_CPPFLAGS) -DLIB1592
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lib1593_SOURCES = lib1593.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
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lib1593_LDADD = $(TESTUTIL_LIBS)
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lib1900_SOURCES = lib1900.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
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lib1900_LDADD = $(TESTUTIL_LIBS)
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lib1900_CPPFLAGS = $(AM_CPPFLAGS)
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79
tests/libtest/lib1593.c
Normal file
79
tests/libtest/lib1593.c
Normal file
@ -0,0 +1,79 @@
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/***************************************************************************
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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 - 2019, 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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/* Test suppressing the If-Modified-Since header */
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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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struct curl_slist *header = NULL;
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long unmet;
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CURL *curl = NULL;
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int res = 0;
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global_init(CURL_GLOBAL_ALL);
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easy_init(curl);
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easy_setopt(curl, CURLOPT_URL, URL);
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easy_setopt(curl, CURLOPT_TIMECONDITION, (long)CURL_TIMECOND_IFMODSINCE);
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/* Some TIMEVALUE; it doesn't matter. */
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easy_setopt(curl, CURLOPT_TIMEVALUE, 1566210680L);
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header = curl_slist_append(NULL, "If-Modified-Since:");
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if(!header) {
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res = TEST_ERR_MAJOR_BAD;
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goto test_cleanup;
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}
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easy_setopt(curl, CURLOPT_HTTPHEADER, header);
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res = curl_easy_perform(curl);
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if(res)
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goto test_cleanup;
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/* Confirm that the condition checking still worked, even though we
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* suppressed the actual header.
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* The server returns 304, which means the condition is "unmet".
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*/
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res = curl_easy_getinfo(curl, CURLINFO_CONDITION_UNMET, &unmet);
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if(res)
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goto test_cleanup;
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if(unmet != 1L) {
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res = TEST_ERR_FAILURE;
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goto test_cleanup;
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}
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test_cleanup:
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/* always cleanup */
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curl_easy_cleanup(curl);
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curl_slist_free_all(header);
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curl_global_cleanup();
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return res;
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}
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