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History of Changes
Daniel (3 December 2001)
- Eric Lavigne reported two problems:
First one in the curl_strnequal() function. I think this problem is rather
macos 9 specific, as most platform provides a function to use instead of the
one provided by libcurl.
A second, more important, was in the way we take care of FTP responses. The
code would read a large chunk of data and search for the end-of-response
line within that chunk. When found, it would just skip the rest of the
data. However, when the network connections are special, or perhaps the
server is, we could actually get more than one response in that chunk of
data so that when the next invoke to this function was done, the response
had already been read and thrown away. Now, we cache the data not used in
one call, as it could be useful in the subsequent call. Test case 126 was
added and the test ftp server modified, to exercise this particular case.
Version 7.9.2-pre8
Daniel (2 December 2001)
- Bug report #487825 correctly identified a problem when using a proxy and
following a redirection from HTTP to HTTPS. libcurl then re-used the same
proxy connection but without doing a proper HTTPS request.
- Fixed win32 compiling quirks.
Version 7.9.2-pre7
Daniel (30 November 2001)
- Documented --disable-epsv and CURLOPT_FTP_USE_EPSV.
- Added --disable-epsv as an option. When used, curl won't attempt to use the
EPSV command when doing passive FTP downloads. Wrote a test case for it.
- Eric provided a few more fixes for building on Macs. He also pointed out
a flaw in the signal handler restoration code.
- Fiddled with some Tru64 problems reported by Dimitris Sarris. They appeared
only when using VERBOSE ftp transfers. Do we use a too small buffer for
gethostbyaddr_r(), was the lack of using in_addr_t wrong or is it that the
hostent struct must be blanked before use? With Dimitris help and these
patches, the problems seem to be history.
- CURLOPT_FTP_USE_EPSV was added and can be set to FALSE to prevent libcurl
from using the EPSV command before trying the normal PASV. Heikki Korpela
pointed out that some firewalls and similar don't like the EPSV so we must
be able to shut if off to work everywhere.
- I added a configure check for 'in_addr_t' and made the ftp code use that to
receive the inet_addr() return code in. Works on Solaris and Linux at
least. The Linux man page for inet_addr() doesn't even mention in_addr_t...
- Adjusted (almost) all FTP tests to the new command sequence.
- FTP command sequence changes:
EPSV is now always attempted before PASV. It is the final touch to make IPv6
passive FTP downloads to work, but EPSV is not restricted to IPv6 but works
fine with IPv4 too on the servers that support it.
SIZE is now always issued before RETR. It makes curl know the actual
download size before the download takes place, as it makes it less important
to find the size sent in RETR responses. Many sites don't include the size
in there.
Both these changes made it necessary to change the test suite's ftp server
code, and all FTP test cases need to be checked and adjusted!
Daniel (27 November 2001)
- Hans Steegers pointed out that the telnet code read from stdout, not stdin
as it is supposed to do!
Version 7.9.2-pre6
- Eric Lavigne's minor changes to build on MacOS before OS X were applied.
- greep at mindspring.com provided a main index.html page for our release
archive docs directory. It just links to all the existing HTML files, but
I think it may come useful to people.
- There's now some initial code to support the EPSV FTP command. That should
be used to do passive transfers IPv6-style. The code is still #if 0'ed in
lib/ftp.c as I have no IPv6 ftp server to test this with.
Daniel (26 November 2001)
- Robert Schlabbach had problems to understand how to do resumed transfers,
and I clarified the man page -C section somewhat.
Daniel (22 November 2001)
- Andrés García helped me out to track down the roots of bug report #479537,
which was concerning curl returning the wrong error code when failing to
connect. This didn't happen on all systems, and more specificly I've so far
only seen this happen on IPv4-only Linux hosts.
- I applied the fixes for the two bugs Eric Lavigne found when doing his MacOS
port. A missing comma in arpa_telnet.h and a pretty wild write in the FTP
response reader function. The latter write is however likely to occur in our
own buffer unless very big FTP server replies (>25K) are read. I've never
seen such a reply ever, so I think this is a relatively minor risk.
Daniel (21 November 2001)
- Moonesamy provided code to prevent junk from being output when libcurl
returns an error code but no error description and that corrects how make is
run in the Makefile.dist file (that appears as root Makefile in release
archives).
- Eric Lavigne mailed me bugfixes and patches for building libcurl on MacOS
- Kevin Roth modified the cygwin files once again, now to build against the
shared OpenSSL DLLs.
Version 7.9.2-pre4
Daniel (20 November 2001)
- Georg Horn brought a patch that introduced CURLINFO_STARTTRANSFER_TIME,
complete with man page updates!
- Miklos Nemeth provided details enough to update the Borland makefile
properly.
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- Lars M Gustafsson found a case with a bad free(). In fact, it was so bad I'm
amazed we never saw this before!
- Kevin Roth patched the cygwin Makfile.
Daniel (16 November 2001)
- Klevtsov Vadim fixed a bug in how time-conditionals were sent when doing
HTTP.
Version 7.9.2-pre3
Daniel (14 November 2001)
- Samuel Listopad patched away the problem with SSL we got when someone call
curl_global_init() => curl_global_cleanup() => curl_global_init(). The
second init would not "take" and SSL would be unusable with curl from that
point. This doesn't change the fact that calling the functions that way is
wrong. curl_global_init() should be called exactly once and not more.
Daniel (13 November 2001)
- Fixed some minor variable type mixups in ftp.c that caused compiler warnings
on HP-UX 11.00.
- The FTP fix I did yesterday used an uninitialized variable that caused
spurious errors when doing FTP.
Version 7.9.2-pre2
- Ricardo Cadime fell over a multiple-requests problem when first a FTP
directory fetch failed and then a second request is made after that. The
second request happened to get the FTP server response back from the
previous request, when it did its initial CWD command.
- Bjorn Reese pointed out that we could improve the time diff function to
- Kai-Uwe Rommel made me aware that -p (http proxy tunnel) silly enough didn't
work for plain HTTP requests! So I made that work.
Version 7.9.2-pre1
Daniel (12 November 2001)
- Rewrote the Curl_ConnectHTTPProxyTunnel(). It should now not only work a lot
faster, it should also support such ("broken") proxies that John Lask
previously have reported problems with. His proxy sends a trailing zero byte
after the end of the (proxy-) headers. I've tested this myself and it seems
to work on a proxy the previous version also worked with...! This rewrite is
due to the problems John Lask previously experienced.
- Andrés García found out why the "current speed" meter sometimes showed 2048K
for very quick transfers. It turned out the "time diff"-function returned a
zero millisecond diff. We now always say it is at least one millisecond! In
reality, these timers very rarely have that good resolution so even though
the time diff was longer than 1 millisecond, it was reported as no diff.
- I also modified the getinfo() again when returning times, as Paul Harrington
reports that 7.9.1 only returns times with 1 second accuracy, which indeed
is wrong.
Daniel (8 November 2001)
- Marcus Webster found out that curl_formadd() could read one byte outside a
buffer boundary, which then of course could lead to a crash. Marcus also
gracefully provided a patch for this this.
- Glen Scott ran configure on his Cobalt Qube and it didn't figure out the
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