builds thread-safer on HPUX

- Sven Anders reported that we introduced a cert verfication flaw for OpenSSL-
powered libcurl in 7.19.6. If there was a X509v3 Subject Alternative Name
field in the certficate it had to

- Sven Anders reported that we introduced a cert verfication flaw for OpenSSL-
powered libcurl in 7.19.6. If there was a X509v3 Subject Alternative Name
field in the certficate it had to match and so even if non-DNS and non-IP
entry was present it caused the verification to fail.

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- Claes Jakobsson fixed a problem with cookie expiry dates at exctly the epoch
start second "Thu Jan 1 00:00:00 GMT 1970" as the date parser then returns 0
which internally then is treate

- Claes Jakobsson fixed a problem with cookie expiry dates at exctly the epoch
start second "Thu Jan 1 00:00:00 GMT 1970" as the date parser then returns 0
which internally then is treated as a session cookie. That particular date
is now made to get the value of 1.

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- Daniel Johnson founded a flaw in the code convering sftp-errors to libcurl
errors.

- Peter Sylvester made a debug featuer for Curl_resolv() that now will force
libcurl to resolve 'localhost' whatever name you use in the URL *if* you set
the --interface option to (exactl

- Peter Sylvester made a debug featuer for Curl_resolv() that now will force
libcurl to resolve 'localhost' whatever name you use in the URL *if* you set
the --interface option to (exactly) "LocalHost". This will enable us to
write tests for custom hosts names but still use a local host server.

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- configure now tries to use pkg-config for a number of sub-dependencies even
when cross-compiling. The key to success is then you properly setup
PKG_CONFIG_PATH before invoking configure

- configure now tries to use pkg-config for a number of sub-dependencies even
when cross-compiling. The key to success is then you properly setup
PKG_CONFIG_PATH before invoking configure.

I also improved how NSS is detected by trying nss-config if pkg-config isn't
present, and as a last resort just use the lib name and force the user to
setup the LIBS/LDFLAGS/CFLAGS etc properly. The previous last resort would
add a range of various libs that would almost never be quite correct.

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- When using the multi interface with FTP and you asked for NOBODY, you did no
QUOTE commands and the request used the same path as the connection had
already changed to, it would decide

- When using the multi interface with FTP and you asked for NOBODY, you did no
QUOTE commands and the request used the same path as the connection had
already changed to, it would decide that no commands would be necessary for
the "DO" action and that was not handled properly but libcurl would instead
hang.

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- Marc de Bruin pointed out that configure --with-gnutls=PATH didn't work
properly and provided a fix. http://curl.haxx.se/bug/view.cgi?id=2843008

- Eric Wong introduced support for the new option -T. (dot) that makes curl
read stdin in a non-blocking fashion. This also brings back -T- (minus) to
the previous blocking behavior since

- Eric Wong introduced support for the new option -T. (dot) that makes curl
read stdin in a non-blocking fashion. This also brings back -T- (minus) to
the previous blocking behavior since it could break stuff for people at
times.

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- Andre Guibert de Bruet pointed out a missing return code check for a
strdup() that could lead to segfault if it returned NULL. I extended his
suggest patch to now have Curl_retry_reques

- Andre Guibert de Bruet pointed out a missing return code check for a
strdup() that could lead to segfault if it returned NULL. I extended his
suggest patch to now have Curl_retry_request() return a regular return code
and better check that.

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- Lots of good work by Krister Johansen, mostly related to pipelining:

Fix SIGSEGV on free'd easy_conn when pipe unexpectedly breaks
Fix data corruption issue with re-connected trans

- Lots of good work by Krister Johansen, mostly related to pipelining:

Fix SIGSEGV on free'd easy_conn when pipe unexpectedly breaks
Fix data corruption issue with re-connected transfers
Fix use after free if we're completed but easy_conn not NULL

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mention yesterday's changes

start over fresh again towards 7.19.7

- Carsten Lange reported a bug and provided a patch for TFTP upload and the
sending of the TSIZE option. I don't like fixing bugs just hours before
a release, but since it was broken and

- Carsten Lange reported a bug and provided a patch for TFTP upload and the
sending of the TSIZE option. I don't like fixing bugs just hours before
a release, but since it was broken and the patch fixes this for him I decided
to get it in anyway.

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- Peter Sylvester made the HTTPS test server use specific certificates for
each test, so that the test suite can now be used to actually test the
verification of cert names etc. This made

- Peter Sylvester made the HTTPS test server use specific certificates for
each test, so that the test suite can now be used to actually test the
verification of cert names etc. This made an error show up in the OpenSSL-
specific code where it would attempt to match the CN field even if a
subjectAltName exists that doesn't match. This is now fixed and verified
in test 311.

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credit

clarified configure detection of GnuTLS

- Curt Bogmine reported a problem with SNI enabled on a particular server. We
should introduce an option to disable SNI, but as we're in feature freeze
now I've addressed the obvious bug

- Curt Bogmine reported a problem with SNI enabled on a particular server. We
should introduce an option to disable SNI, but as we're in feature freeze
now I've addressed the obvious bug here (pointed out by Peter Sylvester): we
shouldn't try to enable SNI when SSLv2 or SSLv3 is explicitly selected.
Code for OpenSSL and GnuTLS was fixed. NSS doesn't seem to have a particular
option for SNI, or are we simply not using it?

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- Scott Cantor posted the bug report #2829955
(http://curl.haxx.se/bug/view.cgi?id=2829955) mentioning the recent SSL cert
verification flaw found and exploited by Moxie Marlinspike. The

- Scott Cantor posted the bug report #2829955
(http://curl.haxx.se/bug/view.cgi?id=2829955) mentioning the recent SSL cert
verification flaw found and exploited by Moxie Marlinspike. The presentation
he did at Black Hat is available here:
https://www.blackhat.com/html/bh-usa-09/bh-usa-09-archives.html#Marlinspike

Apparently at least one CA allowed a subjectAltName or CN that contain a
zero byte, and thus clients that assumed they would never have zero bytes
were exploited to OK a certificate that didn't actually match the site. Like
if the name in the cert was "example.com\0theatualsite.com", libcurl would
happily verify that cert for example.com.

libcurl now better use the length of the extracted name, not assuming it is
zero terminated.

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- Tanguy Fautre pointed out that OpenSSL's function RAND_screen() (present
only in some OpenSSL installs - like on Windows) isn't thread-safe and we
agreed that moving it to the global_in

- Tanguy Fautre pointed out that OpenSSL's function RAND_screen() (present
only in some OpenSSL installs - like on Windows) isn't thread-safe and we
agreed that moving it to the global_init() function is a decent way to deal
with this situation.

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- Alexander Beedie provided the patch for a noproxy problem: If I have set
CURLOPT_NOPROXY to "*", or to a host that should not use a proxy, I actually
could still end up using a proxy if

- Alexander Beedie provided the patch for a noproxy problem: If I have set
CURLOPT_NOPROXY to "*", or to a host that should not use a proxy, I actually
could still end up using a proxy if a proxy environment variable was set.

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- All the quote options (CURLOPT_QUOTE, CURLOPT_POSTQUOTE and
CURLOPT_PREQUOTE) now accept a preceeding asterisk before the command to
send when using FTP, as a sign that libcurl shall si

- All the quote options (CURLOPT_QUOTE, CURLOPT_POSTQUOTE and
CURLOPT_PREQUOTE) now accept a preceeding asterisk before the command to
send when using FTP, as a sign that libcurl shall simply ignore the response
from the server instead of treating it as an error. Not treating a 400+ FTP
response code as an error means that failed commands will not abort the
chain of commands, nor will they cause the connection to get disconnected.

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- Bug report #2825989 (http://curl.haxx.se/bug/view.cgi?id=2825989) pointed
out that OpenSSL-powered libcurl didn't support the SHA-2 digest algorithm,
and provided the solution too: to u

- Bug report #2825989 (http://curl.haxx.se/bug/view.cgi?id=2825989) pointed
out that OpenSSL-powered libcurl didn't support the SHA-2 digest algorithm,
and provided the solution too: to use OpenSSL_add_all_algorithms() instead
of the older SSLeay_* alternative. OpenSSL_add_all_algorithms was added in
OpenSSL 0.9.5

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- Added CURLOPT_SSH_KNOWNHOSTS, CURLOPT_SSH_KEYFUNCTION, CURLOPT_SSH_KEYDATA.
They introduce known_host support for SSH keys to libcurl. See docs for
details.

- David Binderman found a memory and fd leak in lib/gtls.c:load_file()
(https://bugzilla.novell.com/523919). When looking at the code, I found
that also the ptr pointer can leak.