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2013-07-15x509asn1.c,x509asn1.h: new module to support ASN.1/X509 parsing & info extractPatrick Monnerat
Use from qssl backend
2013-07-15ssluse.c,sslgen.c,sslgen.h: move certinfo support to generic SSLPatrick Monnerat
2013-07-15Merge branch 'master' of github.com:bagder/curlPatrick Monnerat
Merge for resync
2013-07-15slist.c, slist.h, cookie.c: new internal procedure Curl_slist_append_nodup()Patrick Monnerat
2013-07-15sslgen.c: fix Curl_rand() compiler warningYang Tse
Use simple seeding method upon RANDOM_FILE seeding method failure.
2013-07-15sslgen.c: fix unreleased Curl_rand() infinite recursionYang Tse
2013-07-14url.c: fix parse_url_login() OOM handlingYang Tse
2013-07-12http_digest.c: SIGSEGV and OOM handling fixesYang Tse
2013-07-12url.c: fix parse_login_details() OOM handlingYang Tse
2013-07-12setup-vms.h: sk_pop symbol tweakJohn E. Malmberg
Newer versions of curl are referencing a sk_pop symbol while the HP OpenSSL library has the symbol in uppercase only.
2013-07-11getinfo.c: fix enumerated type mixed with another typeYang Tse
2013-07-11url.c: fix SIGSEGVYang Tse
2013-07-11dotdot.c: fix global declaration shadowingYang Tse
2013-07-11easy.c: fix global declaration shadowingYang Tse
2013-07-08Added winssl-zlib target to VC builds.Guenter Knauf
2013-07-08Synced Makefile.vc6 with recent changes.Guenter Knauf
Issue posted to the list by malinowsky AT FTW DOT at.
2013-07-02darwinssl: SSLv2 connections are aborted if unsupported by the OSNick Zitzmann
I just noticed that OS X no longer supports SSLv2. Other TLS engines return an error if the requested protocol isn't supported by the underlying engine, so we do that now for SSLv2 if the framework returns an error when trying to turn on SSLv2 support. (Note: As always, SSLv2 support is only enabled in curl when starting the app with the -2 argument; it's off by default. SSLv2 is really old and insecure.)
2013-06-30url: restore the functionality of 'curl -u :'Kamil Dudka
This commit fixes a regression introduced in fddb7b44a79d78e05043e1c97e069308b6b85f79. Reported by: Markus Moeller Bug: http://curl.haxx.se/mail/archive-2013-06/0052.html
2013-06-25digest: append the timer to the random for the nonceDaniel Stenberg
2013-06-25digest: improve nonce generationDaniel Stenberg
Use the new improved Curl_rand() to generate better random nonce for Digest auth.
2013-06-25formpost: better random boundariesDaniel Stenberg
When doing multi-part formposts, libcurl used a pseudo-random value that was seeded with time(). This turns out to be bad for users who formpost data that is provided with users who then can guess how the boundary string will look like and then they can forge a different formpost part and trick the receiver. My advice to such implementors is (still even after this change) to not rely on the boundary strings being cryptographically strong. Fix your code and logic to not depend on them that much! I moved the Curl_rand() function into the sslgen.c source file now to be able to take advantage of the SSL library's random function if it provides one. If not, try to use the RANDOM_FILE for seeding and as a last resort keep the old logic, just modified to also add microseconds which makes it harder to properly guess the exact seed. The formboundary() function in formdata.c is now using 64 bit entropy for the boundary and therefore the string of dashes was reduced by 4 letters and there are 16 hex digits following it. The total length is thus still the same. Bug: http://curl.haxx.se/bug/view.cgi?id=1251 Reported-by: "Floris"
2013-06-25printf: make sure %x are treated unsignedDaniel Stenberg
When using %x, the number must be treated as unsigned as otherwise it would get sign-extended on for example 64bit machines and do wrong output. This problem showed when doing printf("%08x", 0xffeeddcc) on a 64bit host.
2013-06-24SIGPIPE: don't use 'data' in sigpipe restoreDaniel Stenberg
Follow-up fix from 7d80ed64e43515. The SessionHandle may not be around to use when we restore the sigpipe sighandler so we store the no_signal boolean in the local struct to know if/how to restore.
2013-06-23c-ares: improve error message on failed resolveDaniel Stenberg
When the c-ares based resolver backend failed to resolve a name, it tried to show the name that failed from existing structs. This caused the wrong output and shown hostname when for example --interface [hostname] was used and that name resolving failed. Now we use the hostname used in the actual resolve attempt in the error message as well. Bug: http://curl.haxx.se/bug/view.cgi?id=1191 Reported-by: Kim Vandry
2013-06-23ossl_recv: check for an OpenSSL error, don't assumeDaniel Stenberg
When we recently started to treat a zero return code from SSL_read() as an error we also got false positives - which primarily looks to be because the OpenSSL documentation is wrong and a zero return code is not at all an error case in many situations. Now ossl_recv() will check with ERR_get_error() to see if there is a stored error and only then consider it to be a true error if SSL_read() returned zero. Bug: http://curl.haxx.se/bug/view.cgi?id=1249 Reported-by: Nach M. S. Patch-by: Nach M. S.
2013-06-22Merge branch 'master' of https://github.com/bagder/curlNick Zitzmann
2013-06-22darwinssl: fix crash that started happening in LionNick Zitzmann
Something (a recent security update maybe?) changed in Lion, and now it has changed SSLCopyPeerTrust such that it may return noErr but also give us a null trust, which caught us off guard and caused an eventual crash.
2013-06-22SIGPIPE: ignored while inside the libraryDaniel Stenberg
... and restore the ordinary handling again when it returns. This is done for curl_easy_perform() and curl_easy_cleanup() only for now - and only when built to use OpenSSL as backend as this is the known culprit for the spurious SIGPIPEs people have received. Bug: http://curl.haxx.se/bug/view.cgi?id=1180 Reported by: Lluís Batlle i Rossell
2013-06-22darwinssl: reform OS-specific #definesNick Zitzmann
This doesn't need to be in the release notes. I cleaned up a lot of the #if lines in the code to use MAC_OS_X_VERSION_MIN_REQUIRED and MAC_OS_X_VERSION_MAX_ALLOWED instead of checking for whether things like __MAC_10_6 or whatever were defined, because for some SDKs Apple has released they were defined out of place.
2013-06-22dotdot: introducing dot file path cleanupDaniel Stenberg
RFC3986 details how a path part passed in as part of a URI should be "cleaned" from dot sequences before getting used. The described algorithm is now implemented in lib/dotdot.c with the accompanied test case in test 1395. Bug: http://curl.haxx.se/bug/view.cgi?id=1200 Reported-by: Alex Vinnik
2013-06-22Curl_urldecode: no peeking beyond end of input bufferDaniel Stenberg
Security problem: CVE-2013-2174 If a program would give a string like "%FF" to curl_easy_unescape() but ask for it to decode only the first byte, it would still parse and decode the full hex sequence. The function then not only read beyond the allowed buffer but it would also deduct the *unsigned* counter variable for how many more bytes there's left to read in the buffer by two, making the counter wrap. Continuing this, the function would go on reading beyond the buffer and soon writing beyond the allocated target buffer... Bug: http://curl.haxx.se/docs/adv_20130622.html Reported-by: Timo Sirainen
2013-06-20multi_socket: react on socket close immediatelyDaniel Stenberg
As a remedy to the problem when a socket gets closed and a new one is opened with the same file descriptor number and as a result multi.c:singlesocket() doesn't detect the difference, the new function Curl_multi_closed() gets told when a socket is closed so that it can be removed from the socket hash. When the old one has been removed, a new socket should be detected fine by the singlesocket() on next invoke. Bug: http://curl.haxx.se/bug/view.cgi?id=1248 Reported-by: Erik Johansson
2013-06-17CURLOPT_COOKIELIST: take cookie share lockDaniel Stenberg
When performing COOKIELIST operations the cookie lock needs to be taken for the cases where the cookies are shared among multiple handles! Verified by Benjamin Gilbert's updated test 506 Bug: http://curl.haxx.se/bug/view.cgi?id=1215 Reported-by: Benjamin Gilbert
2013-06-13curl_easy_perform: avoid busy-loopingDaniel Stenberg
When curl_multi_wait() finds no file descriptor to wait for, it returns instantly and this must be handled gracefully within curl_easy_perform() or cause a busy-loop. Starting now, repeated fast returns without any file descriptors is detected and a gradually increasing sleep will be used (up to a max of 1000 milliseconds) before continuing the loop. Bug: http://curl.haxx.se/bug/view.cgi?id=1238 Reported-by: Miguel Angel
2013-06-12cookies: follow-up fix for path checkingYAMADA Yasuharu
The initial fix to only compare full path names were done in commit 04f52e9b4db0 but found out to be incomplete. This takes should make the change more complete and there's now two additional tests to verify (test 31 and 62).
2013-06-12axtls: now done non-blockingEric Hu
2013-06-11Curl_output_digest: support auth-int for empty entity bodyDaniel Stenberg
By always returning the md5 for an empty body when auth-int is asked for, libcurl now at least sometimes does the right thing. Bug: http://curl.haxx.se/bug/view.cgi?id=1235 Patched-by: Nach M. S.
2013-06-11multi_socket: reduce timeout inaccuracy marginDaniel Stenberg
Allow less room for "triggered too early" mistakes by applications / timers on non-windows platforms. Starting now, we assume that a timeout call is never made earlier than 3 milliseconds before the actual timeout. This greatly improves timeout accuracy on Linux. Bug: http://curl.haxx.se/bug/view.cgi?id=1228 Reported-by: Hang Su
2013-06-10cert_stuff: avoid double free in the PKCS12 codeDaniel Stenberg
In the pkcs12 code, we get a list of x509 records returned from PKCS12_parse but when iterating over the list and passing each to SSL_CTX_add_extra_chain_cert() we didn't also properly remove them from the "stack", which made them get freed twice (both in sk_X509_pop_free() and then later in SSL_CTX_free). This isn't really documented anywhere... Bug: http://curl.haxx.se/bug/view.cgi?id=1236 Reported-by: Nikaiw
2013-06-10cert_stuff: remove code duplication in the pkcs12 logicDaniel Stenberg
2013-06-08axtls: honor disabled VERIFYHOSTAleksey Tulinov
When VERIFYHOST == 0, libcurl should let invalid certificates to pass.
2013-06-04curl_multi_wait: only use internal timer if not -1Daniel Stenberg
commit 29bf0598aad5 introduced a problem when the "internal" timeout is prefered to the given if shorter, as it didn't consider the case where -1 was returned. Now the internal timeout is only considered if not -1. Reported-by: Tor Arntsen Bug: http://curl.haxx.se/mail/lib-2013-06/0015.html
2013-06-03curl_multi_wait: reduce timeout if the multi handle wants toDaniel Stenberg
If the multi handle's pending timeout is less than what is passed into this function, it will now opt to use the shorter time anyway since it is a very good hint that the handle wants to process something in a shorter time than what otherwise would happen. curl_multi_wait.3 was updated accordingly to clarify This is the reason for bug #1224 Bug: http://curl.haxx.se/bug/view.cgi?id=1224 Reported-by: Andrii Moiseiev
2013-06-03multi_runsingle: switch an if() condition for readabilityDaniel Stenberg
... because there's an identical check right next to it so using the operators in the check in the same order increases readability.
2013-06-02curl_schannel.c: Removed variable unused since 35874298e4Marc Hoersken
2013-06-02curl_setup.h: Fixed redefinition warning using mingw-w64Marc Hoersken
2013-05-30multi_runsingle: add braces to clarify the codeDaniel Stenberg
2013-05-27Digest auth: escape user names with \ or " in themDaniel Stenberg
When sending the HTTP Authorization: header for digest, the user name needs to be escaped if it contains a double-quote or backslash. Test 1229 was added to verify Reported and fixed by: Nach M. S Bug: http://curl.haxx.se/bug/view.cgi?id=1230
2013-05-22ossl_recv: SSL_read() returning 0 is an error tooMike Giancola
SSL_read can return 0 for "not successful", according to the open SSL documentation: http://www.openssl.org/docs/ssl/SSL_read.html
2013-05-22ossl_send: SSL_write() returning 0 is an error tooMike Giancola
We found that in specific cases if the connection is abruptly closed, the underlying socket is listed in a close_wait state. We continue to call the curl_multi_perform, curl_mutli_fdset etc. None of these APIs report the socket closed / connection finished. Since we have cases where the multi connection is only used once, this can pose a problem for us. I've read that if another connection was to come in, curl would see the socket as bad and attempt to close it at that time - unfortunately, this does not work for us. I found that in specific situations, if SSL_write returns 0, curl did not recognize the socket as closed (or errored out) and did not report it to the application. I believe we need to change the code slightly, to check if ssl_write returns 0. If so, treat it as an error - the same as a negative return code. For OpenSSL - the ssl_write documentation is here: http://www.openssl.org/docs/ssl/SSL_write.html
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