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curl
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- Scott Barrett provided a test case for a segfault in the FTP code and the 

fix for it. It occured when you did a FTP transfer using
  CURLFTPMETHOD_SINGLECWD and then did another one on the same easy handle but
  switched to CURLFTPMETHOD_NOCWD. Due to the "dir depth" variable not being
  cleared properly.  Scott's test case is now known as test 539 and it
  verifies the fix.
This commit is contained in:
Daniel Stenberg 2008-07-07 20:37:07 +00:00
Родитель ddfa4b8896
Коммит 0e5da5b8bc
6 изменённых файлов: 143 добавлений и 2 удалений
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8
CHANGES
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@ -6,6 +6,14 @@
Changelog
Daniel Stenberg (7 Jul 2008)
- Scott Barrett provided a test case for a segfault in the FTP code and the
fix for it. It occured when you did a FTP transfer using
CURLFTPMETHOD_SINGLECWD and then did another one on the same easy handle but
switched to CURLFTPMETHOD_NOCWD. Due to the "dir depth" variable not being
cleared properly. Scott's test case is now known as test 539 and it
verifies the fix.
Daniel Stenberg (3 Jul 2008)
- Phil Blundell provided a fix for libcurl's treatment of unexpected 1xx
response codes. Previously libcurl would hang on such occurances. I added

3
RELEASE-NOTES
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@ -30,6 +30,7 @@ This release includes the following bugfixes:
o fallback to gettimeofday when monotonic clock is unavailable at run-time
o range numbers could be made to wrongly get output as signed
o unexpected 1xx responses hung transfers
o FTP transfers segfault when using different CURLOPT_FTP_FILEMETHOD
This release includes the following known bugs:
@ -49,7 +50,7 @@ advice from friends like these:
Lenny Rachitsky, Axel Tillequin, Arnaud Ebalard, Yang Tse, Dan Fandrich,
Rob Crittenden, Dengminwen, Christopher Palow, Hans-Jurgen May,
Phil Pellouchoud, Eduard Bloch, John Lightsey, Stephen Collyer, Tor Arntsen,
Rolland Dudemaine, Phil Blundell
Rolland Dudemaine, Phil Blundell, Scott Barrett
Thanks! (and sorry if I forgot to mention someone)

1
lib/ftp.c
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@ -279,6 +279,7 @@ static void freedirs(struct ftp_conn *ftpc)
}
free(ftpc->dirs);
ftpc->dirs = NULL;
ftpc->dirdepth = 0;
}
if(ftpc->file) {
free(ftpc->file);

63
tests/data/test539 Normal file
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@ -0,0 +1,63 @@
<testcase>
#
# Server-side
<reply>
<data mode="text">
file contents
</data>
<datacheck>
file contents
total 20
drwxr-xr-x 8 98 98 512 Oct 22 13:06 .
drwxr-xr-x 8 98 98 512 Oct 22 13:06 ..
drwxr-xr-x 2 98 98 512 May 2 1996 .NeXT
-r--r--r-- 1 0 1 35 Jul 16 1996 README
lrwxrwxrwx 1 0 1 7 Dec 9 1999 bin -> usr/bin
dr-xr-xr-x 2 0 1 512 Oct 1 1997 dev
drwxrwxrwx 2 98 98 512 May 29 16:04 download.html
dr-xr-xr-x 2 0 1 512 Nov 30 1995 etc
drwxrwxrwx 2 98 1 512 Oct 30 14:33 pub
dr-xr-xr-x 5 0 1 512 Oct 1 1997 usr
</datacheck>
</reply>
# Client-side
<client>
<server>
ftp
</server>
# tool is what to use instead of 'curl'
<tool>
lib539
</tool>
<name>
Two FTP fetches using different CURLOPT_FTP_FILEMETHOD
</name>
<command>
ftp://%HOSTIP:%FTPPORT/path/to/the/file/539
</command>
</client>
#
# Verify data after the test has been "shot"
<verify>
<protocol>
USER anonymous
PASS ftp@example.com
PWD
CWD path/to/the/file
EPSV
TYPE I
SIZE 539
RETR 539
SYST
CWD /nowhere/anywhere
EPSV
TYPE A
LIST path/to/the/file/539./
QUIT
</protocol>
</verify>
</testcase>

5
tests/libtest/Makefile.am
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@ -48,7 +48,8 @@ noinst_PROGRAMS = lib500 lib501 lib502 lib503 lib504 lib505 lib506 \
lib507 lib508 lib510 lib511 lib512 lib513 lib514 lib515 lib516 \
lib517 lib518 lib519 lib520 lib521 lib523 lib524 lib525 lib526 lib527 \
lib529 lib530 lib532 lib533 lib536 lib537 lib540 lib541 lib542 lib543 \
lib544 lib545 lib547 lib548 lib549 lib552 lib553 lib554 lib555 lib556
lib544 lib545 lib547 lib548 lib549 lib552 lib553 lib554 lib555 lib556 \
lib539
# Dependencies (may need to be overriden)
LDADD = $(LIBDIR)/libcurl.la
@ -124,6 +125,8 @@ lib536_SOURCES = lib536.c $(SUPPORTFILES) $(TESTUTIL)
lib537_SOURCES = lib537.c $(SUPPORTFILES)
lib539_SOURCES = lib539.c $(SUPPORTFILES)
lib540_SOURCES = lib540.c $(SUPPORTFILES)
lib541_SOURCES = lib541.c $(SUPPORTFILES)

65
tests/libtest/lib539.c Normal file
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@ -0,0 +1,65 @@
/*****************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* $Id$
*/
#include "test.h"
int test(char *URL)
{
CURLcode res;
CURL *curl;
char *newURL;
struct curl_slist *slist;
if (curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
fprintf(stderr, "curl_global_init() failed\n");
return TEST_ERR_MAJOR_BAD;
}
if ((curl = curl_easy_init()) == NULL) {
fprintf(stderr, "curl_easy_init() failed\n");
curl_global_cleanup();
return TEST_ERR_MAJOR_BAD;
}
/*
* Begin with cURL set to use a single CWD to the URL's directory.
*/
curl_easy_setopt(curl, CURLOPT_URL, URL);
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
curl_easy_setopt(curl, CURLOPT_FTP_FILEMETHOD, CURLFTPMETHOD_SINGLECWD);
res = curl_easy_perform(curl);
/*
* Change the FTP_FILEMETHOD option to use full paths rather than a CWD
* command. Alter the URL's path a bit, appending a "./". Use an innocuous
* QUOTE command, after which cURL will CWD to ftp_conn->entrypath and then
* (on the next call to ftp_statemach_act) find a non-zero ftpconn->dirdepth
* even though no directories are stored in the ftpconn->dirs array (after a
* call to freedirs).
*/
newURL = strcat (strcpy ((char*)malloc (strlen (URL) + 3),
URL),
"./");
slist = curl_slist_append (NULL, "SYST");
curl_easy_setopt(curl, CURLOPT_URL, newURL);
curl_easy_setopt(curl, CURLOPT_FTP_FILEMETHOD, CURLFTPMETHOD_NOCWD);
curl_easy_setopt(curl, CURLOPT_QUOTE, slist);
res = curl_easy_perform(curl);
curl_slist_free_all(slist);
free(newURL);
curl_easy_cleanup(curl);
curl_global_cleanup();
return (int)res;
}