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Daniel Stenberg
committed
Daniel (7 January 2006)
- Mike Jean fixed so that the second CONNECT when doing FTP over a HTTP proxy
actually used a new connection and not sent the second request on the first
socket!
Daniel (6 January 2006)
- Alexander Lazic made the buildconf run the buildconf in the ares dir if that
is present instead of trying to mimic that script in curl's buildconf
script.
Daniel (3 January 2006)
- Andres Garcia made the TFTP test server build with mingw.
Daniel (16 December 2005)
- Jean Jacques Drouin pointed out that you could only have a user name or
password of 127 bytes or less embedded in a URL, where actually the code
uses a 255 byte buffer for it! Modified now to use the full buffer size.
Daniel (12 December 2005)
- Dov Murik corrected the HTTP_ONLY define to disable the TFTP support properly
Version 7.15.1 (7 December 2005)
Daniel (6 December 2005)
- Full text here: http://curl.haxx.se/docs/adv_20051207.html Pointed out by
Stefan Esser.
VULNERABILITY
libcurl's URL parser function can overflow a malloced buffer in two ways, if
given a too long URL.
These overflows happen if you
1 - pass in a URL with no protocol (like "http://") prefix, using no slash
and the string is 256 bytes or longer. This leads to a single zero byte
overflow of the malloced buffer.
2 - pass in a URL with only a question mark as separator (no slash) between
the host and the query part of the URL. This leads to a single zero byte
overflow of the malloced buffer.
Both overflows can be made with the same input string, leading to two single
zero byte overwrites.
The affected flaw cannot be triggered by a redirect, but the long URL must
be passed in "directly" to libcurl. It makes this a "local" problem. Of
course, lots of programs may still pass in user-provided URLs to libcurl
without doing much syntax checking of their own, allowing a user to exploit
this vulnerability.
There is no known exploit at the time of this writing.
Daniel (2 December 2005)
- Jamie Newton pointed out that libcurl's file:// code would close() a zero
file descriptor if given a non-existing file.
Daniel Stenberg
committed
Daniel (24 November 2005)
- Doug Kaufman provided a set of patches to make curl build fine on DJGPP
again using configure.
- Yang Tse provided a whole series of patches to clear up compiler warnings on
MSVC 6.
Daniel Stenberg
committed
Daniel (17 November 2005)
- I extended a patch from David Shaw to make libcurl _always_ provide an error
string in the given error buffer to address the flaw mention on 21 sep 2005.
Daniel (16 November 2005)
- Applied Albert Chin's patch that makes the libcurl.pc pkgconfig file get
installed on 'make install' time.
- Quagmire reported that he needed to raise a NTLM buffer for SSPI to work
properly for a case, and so we did. We raised it even for non-SSPI builds
but it should not do any harm. http://curl.haxx.se/bug/view.cgi?id=1356715
- Jan Kunder's debian bug report
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=338680 identified a weird
error message for when you try to upload a file and the requested directory
doesn't exist on the target server.
- Yang Tse fixed compiler warnings in lib/ssluse.c with OpenSSL 0.9.8 and in
lib/memdebug.h that showed up in his msvc builds.
Daniel (13 November 2005)
Daniel Stenberg
committed
- Debian bug report 338681 by Jan Kunder: make curl better detect and report
bad limit-rate units:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=338681 Now curl will return
error if a bad unit is used.
- Thanks to this nice summary of poll() implementations:
http://www.greenend.org.uk/rjk/2001/06/poll.html and further tests by Eugene
Kotlyarov, we now know that cygwin's poll returns only POLLHUP on remote
connectin closure so we check for that case (too) and re-enable poll for
cygwin builds.
Daniel (12 November 2005)
Daniel Stenberg
committed
- Eugene Kotlyarov found out that cygwin's poll() function isn't doing things
right: http://curl.haxx.se/mail/archive-2005-11/0045.html so we now disable
poll() and use select() on cygwin too (we already do the same choice on Mac
OS X)
- Dima Barsky patched problem #1348930: the GnuTLS code completely ignored
client certificates! (http://curl.haxx.se/bug/view.cgi?id=1348930).
Daniel Stenberg
committed
Daniel (10 November 2005)
- David Lang fixed IPv6 support for TFTP!
Daniel Stenberg
committed
- Introducing range stepping to the curl globbing support. Now you can specify
step counter by adding :[num] within the brackets when specifying a range:
[1-100:10]
[a-z:2]
If no step counter is set, it defaults to 1 as before:
[1-100]
[d-h]
Daniel (8 November 2005)
Daniel Stenberg
committed
- Removed the use of AI_CANONNAME in the IPv6-enabled resolver functions since
we really have no use for reverse lookups of the address.
I truly hope these are the last reverse lookups we had lingering in the
code!
- Dmitry Bartsevich discovered some issues in compatibilty of SSPI-enabled
version of libcurl with different Windows versions. Current version of
libcurl imports SSPI functions from secur32.dll. However, under Windows NT
4.0 these functions are located in security.dll, under Windows 9x - in
secur32.dll and Windows 2000 and XP contains both these DLLs (security.dll
just forwards calls to secur32.dll).
Dmitry's patch loads proper library dynamically depending on Windows
version. Function InitSecurityInterface() is used to obtain pointers to all
of SSPI function in one structure.
Daniel (31 October 2005)
- Vilmos Nebehaj improved libcurl's LDAP abilities:
The LDAP code in libcurl can't handle LDAP servers of LDAPv3 nor binary
attributes in LDAP objects. So, I made a quick patch to address these
problems.
The solution is simple: if we connect to an LDAP server, first try LDAPv3
(which is the preferred protocol as of now) and then fall back to LDAPv2.
In case of binary attributes, we first convert them to base64, just like the
openldap client does. It uses ldap_get_values_len() instead of
ldap_get_values() to be able to retrieve binary attributes correctly. I
defined the necessary LDAP macros in lib/ldap.c to be able to compile
libcurl without the presence of libldap
Daniel Stenberg
committed
Daniel (27 October 2005)
- Nis Jorgensen filed bug report #1338648
(http://curl.haxx.se/bug/view.cgi?id=1338648) which really is more of a
feature request, but anyway. It pointed out that --max-redirs did not allow
it to be set to 0, which then would return an error code on the first
Location: found. Based on Nis' patch, now libcurl supports CURLOPT_MAXREDIRS
set to 0, or -1 for infinity. Added test case 274 to verify.
- tommink[at]post.pl reported in bug report #1337723
(http://curl.haxx.se/bug/view.cgi?id=1337723) that curl could not upload
binary data from stdin on Windows if the data contained control-Z (hex 1a)
since that is treated as end-of-file when read in text mode. Gisle Vanem
pointed out the fix, and I made both -T and --data-binary take advantage of
it.
Daniel Stenberg
committed
- Jaz Fresh pointed out that if you used "-r [number]" as was wrongly described
in the man page, curl would send an invalid HTTP Range: header. The correct
way would be to use "-r [number]-" or even "-r -[number]". Starting now,
curl will warn if this is discovered, and automatically append a dash to the
range before passing it to libcurl.
Daniel (25 October 2005)
- Amol Pattekar reported a bug with great detail and a fine example in bug
#1326306 (http://curl.haxx.se/bug/view.cgi?id=1326306). When using the multi
interface and connecting to a host with multiple IP addresses, and one of
the addresses fails to connect (the server must exist and respond, just not
accept connections) libcurl leaks a socket descriptor. Thanks to the fine
report, I could find and fix this.
Daniel (22 October 2005)
- Dima Barsky reported a problem with GnuTLS-enabled libcurl in bug report
#1334338 (http://curl.haxx.se/bug/view.cgi?id=1334338). When reading an SSL
stream from a server and the server requests a "rehandshake", the current
code simply returns this as an error. I have no good way to test this, but
I've added a crude attempt of dealing with this situation slightly better -
it makes a blocking handshake if this happens. Done like this because fixing
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