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https://github.com/moparisthebest/curl
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HTTP: reset expected DL/UL sizes on redirects
With FOLLOWLOCATION enabled. When a 3xx page is downloaded and the download size was known (like with a Content-Length header), but the subsequent URL (transfered after the 3xx page) was chunked encoded, then the previous "known download size" would linger and cause the progress meter to get incorrect information, ie the former value would remain being sent in. This could easily result in downloads that were WAY larger than "expected" and would cause >100% outputs with the curl command line tool. Test case 599 was created and it was used to repeat the bug and then verify the fix. Bug: http://curl.haxx.se/bug/view.cgi?id=3510057 Reported by: Michael Wallner
This commit is contained in:
Daniel Stenberg
parent
7a2647e162
commit
c44d45db86
@ -5,7 +5,7 @@
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
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* Copyright (C) 1998 - 2012, 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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@ -146,13 +146,16 @@ void Curl_pgrsDone(struct connectdata *conn)
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data->progress.speeder_c = 0; /* reset the progress meter display */
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}
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/* reset all times except redirect */
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void Curl_pgrsResetTimes(struct SessionHandle *data)
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/* reset all times except redirect, and reset the known transfer sizes */
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void Curl_pgrsResetTimesSizes(struct SessionHandle *data)
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{
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data->progress.t_nslookup = 0.0;
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data->progress.t_connect = 0.0;
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data->progress.t_pretransfer = 0.0;
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data->progress.t_starttransfer = 0.0;
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Curl_pgrsSetDownloadSize(data, 0);
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Curl_pgrsSetUploadSize(data, 0);
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}
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void Curl_pgrsTime(struct SessionHandle *data, timerid timer)
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@ -7,7 +7,7 @@
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2008, Daniel Stenberg, <daniel@haxx.se>, et al.
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* Copyright (C) 1998 - 2012, 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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@ -46,7 +46,7 @@ void Curl_pgrsSetUploadSize(struct SessionHandle *data, curl_off_t size);
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void Curl_pgrsSetDownloadCounter(struct SessionHandle *data, curl_off_t size);
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void Curl_pgrsSetUploadCounter(struct SessionHandle *data, curl_off_t size);
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int Curl_pgrsUpdate(struct connectdata *);
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void Curl_pgrsResetTimes(struct SessionHandle *data);
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void Curl_pgrsResetTimesSizes(struct SessionHandle *data);
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void Curl_pgrsTime(struct SessionHandle *data, timerid timer);
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@ -1924,7 +1924,7 @@ CURLcode Curl_follow(struct SessionHandle *data,
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break;
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}
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Curl_pgrsTime(data, TIMER_REDIRECT);
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Curl_pgrsResetTimes(data);
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Curl_pgrsResetTimesSizes(data);
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return CURLE_OK;
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#endif /* CURL_DISABLE_HTTP */
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@ -48,7 +48,7 @@ test551 test552 test553 test554 test555 test556 test557 test560 test561 \
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test562 test563 test564 test565 test566 test567 test568 test569 test570 \
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test571 test572 test573 test574 test575 test576 test578 test579 test580 \
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test581 test582 test583 test584 test585 test586 test587 test588 test590 \
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test591 test592 test593 test594 test595 test596 test597 test598 \
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test591 test592 test593 test594 test595 test596 test597 test598 test599 \
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test600 test601 test602 test603 test604 \
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test605 test606 test607 test608 test609 test610 test611 test612 test613 \
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test614 test615 test616 test617 test618 test619 test620 test621 test622 \
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83
tests/data/test599
Normal file
83
tests/data/test599
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@ -0,0 +1,83 @@
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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 POST
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</keywords>
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</info>
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#
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# Server-side
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<reply>
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<data>
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HTTP/1.1 302 OK
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Date: Thu, 09 Nov 2010 14:49:00 GMT
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Server: test-server/fake
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Location: 5990001
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Content-Length: 6
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Connection: close
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Content-Type: text/html
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-foo-
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</data>
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<data1>
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HTTP/1.1 200 OK
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Date: Thu, 09 Nov 2010 14:49:00 GMT
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Server: test-server/fake
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Transfer-Encoding: chunked
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Connection: close
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Content-Type: text/html
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32
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this data is slightly larger than the first piece
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0
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</data1>
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<datacheck>
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HTTP/1.1 302 OK
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Date: Thu, 09 Nov 2010 14:49:00 GMT
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Server: test-server/fake
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Location: 5990001
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Content-Length: 6
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Connection: close
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Content-Type: text/html
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HTTP/1.1 200 OK
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Date: Thu, 09 Nov 2010 14:49:00 GMT
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Server: test-server/fake
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Transfer-Encoding: chunked
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Connection: close
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Content-Type: text/html
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this data is slightly larger than the first piece
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</datacheck>
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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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# tool is what to use instead of 'curl'
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<tool>
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lib599
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</tool>
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# Bug 3510057 pointed out that when following a location to a larger chunked
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# encoded page, the first size would still be used in the progress callback
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<name>
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HTTP GET with progress callback and redirects changing content sizes
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</name>
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<command>
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http://%HOSTIP:%HTTPPORT/599
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</command>
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</client>
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#
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# Verify data after the test has been "shot"
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<verify>
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</verify>
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</testcase>
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@ -19,7 +19,7 @@ noinst_PROGRAMS = chkhostname \
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lib543 lib544 lib545 lib547 lib548 lib549 lib552 lib553 lib554 lib555 \
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lib556 lib539 lib557 lib560 lib562 lib564 lib565 lib566 lib567 lib568 \
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lib569 lib570 lib571 lib572 lib573 lib582 lib583 lib585 lib586 lib587 \
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lib590 lib591 lib597 lib598
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lib590 lib591 lib597 lib598 lib599
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chkhostname_SOURCES = chkhostname.c $(top_srcdir)/lib/curl_gethostname.c
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chkhostname_LDADD = @CURL_NETWORK_LIBS@
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@ -183,3 +183,5 @@ lib591_SOURCES = lib591.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
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lib597_SOURCES = lib597.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
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lib598_SOURCES = lib598.c $(SUPPORTFILES)
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lib599_SOURCES = lib599.c $(SUPPORTFILES)
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88
tests/libtest/lib599.c
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88
tests/libtest/lib599.c
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@ -0,0 +1,88 @@
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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 - 2012, 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 http://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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static double dl;
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static int progress_callback(void *clientp, double dltotal,
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double dlnow, double ultotal, double ulnow)
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{
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(void)clientp;
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(void)ulnow;
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(void)ultotal;
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dl = dltotal;
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if((dltotal > 0.0) && (dlnow > dltotal)) {
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/* this should not happen with test case 599 */
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printf("%.0f > %.0f !!\n", dltotal, dlnow);
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return -1;
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}
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return 0;
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}
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int test(char *URL)
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{
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CURL *curl;
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CURLcode res=CURLE_OK;
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if (curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
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fprintf(stderr, "curl_global_init() failed\n");
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return TEST_ERR_MAJOR_BAD;
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}
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if ((curl = curl_easy_init()) == NULL) {
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fprintf(stderr, "curl_easy_init() failed\n");
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curl_global_cleanup();
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return TEST_ERR_MAJOR_BAD;
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}
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/* First set the URL that is about to receive our POST. */
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test_setopt(curl, CURLOPT_URL, URL);
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/* we want to use our own progress function */
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test_setopt(curl, CURLOPT_NOPROGRESS, 0L);
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test_setopt(curl, CURLOPT_PROGRESSFUNCTION, progress_callback);
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/* get verbose debug output please */
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test_setopt(curl, CURLOPT_VERBOSE, 1L);
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/* follow redirects */
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test_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
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/* include headers in the output */
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test_setopt(curl, CURLOPT_HEADER, 1L);
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/* Perform the request, res will get the return code */
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res = curl_easy_perform(curl);
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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_global_cleanup();
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return res;
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}
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