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2016-10-31ftp: check for previous patch must be case sensitive!Daniel Stenberg
... otherwise example.com/PATH and example.com/path would be assumed to be the same and they usually aren't!
2016-10-31SSH: check md5 fingerprint case sensitivelyDaniel Stenberg
2016-10-31connectionexists: use case sensitive user/password comparisonsDaniel Stenberg
CVE-2016-8616 Bug: https://curl.haxx.se/docs/adv_20161102B.html Reported-by: Cure53
2016-10-31base64: check for integer overflow on large inputDaniel Stenberg
CVE-2016-8617 Bug: https://curl.haxx.se/docs/adv_20161102C.html Reported-by: Cure53
2016-10-31krb5: avoid realloc(0)Daniel Stenberg
If the requested size is zero, bail out with error instead of doing a realloc() that would cause a double-free: realloc(0) acts as a free() and then there's a second free in the cleanup path. CVE-2016-8619 Bug: https://curl.haxx.se/docs/adv_20161102E.html Reported-by: Cure53
2016-10-31aprintf: detect wrap-around when growing allocationDaniel Stenberg
On 32bit systems we could otherwise wrap around after 2GB and allocate 0 bytes and crash. CVE-2016-8618 Bug: https://curl.haxx.se/docs/adv_20161102D.html Reported-by: Cure53
2016-10-31parsedate: handle cut off numbers betterDaniel Stenberg
... and don't read outside of the given buffer! CVE-2016-8621 bug: https://curl.haxx.se/docs/adv_20161102G.html Reported-by: Luật Nguyễn
2016-10-31escape: avoid using curl_easy_unescape() internallyDaniel Stenberg
Since the internal Curl_urldecode() function has a better API.
2016-10-31unescape: avoid integer overflowDaniel Stenberg
CVE-2016-8622 Bug: https://curl.haxx.se/docs/adv_20161102H.html Reported-by: Cure53
2016-10-31cookies: getlist() now holds deep copies of all cookiesDaniel Stenberg
Previously it only held references to them, which was reckless as the thread lock was released so the cookies could get modified by other handles that share the same cookie jar over the share interface. CVE-2016-8623 Bug: https://curl.haxx.se/docs/adv_20161102I.html Reported-by: Cure53
2016-10-31idn: switch to libidn2 use and IDNA2008 supportDaniel Stenberg
CVE-2016-8625 Bug: https://curl.haxx.se/docs/adv_20161102K.html Reported-by: Christian Heimes
2016-10-31urlparse: accept '#' as end of host nameDaniel Stenberg
'http://example.com#@127.0.0.1/x.txt' equals a request to example.com for the '/' document with the rest of the URL being a fragment. CVE-2016-8624 Bug: https://curl.haxx.se/docs/adv_20161102J.html Reported-by: Fernando Muñoz
2016-10-30mk-ca-bundle.vbs: Fix UTF-8 outputJay Satiro
- Change initial message box to mention delay when downloading/parsing. Since there is no progress meter it was somewhat unexpected that after choosing a filename nothing appears to happen, when actually the cert data is in the process of being downloaded and parsed. - Warn if OpenSSL is not present. - Use a UTF-8 stream to make the ca-bundle data. - Save the UTF-8 ca-bundle stream as binary so that no BOM is added. --- This is a follow-up to d2c6d15 which switched mk-ca-bundle.vbs output to ANSI due to corrupt UTF-8 output, now fixed. This change completes making the default certificate bundle output of mk-ca-bundle.vbs as close as possible to that of mk-ca-bundle.pl, which should make it easier to review any difference between their output. Ref: https://github.com/curl/curl/pull/1012
2016-10-26mbedtls: stop using deprecated include fileDaniel Stenberg
Reported-by: wyattoday Fixes #1087
2016-10-25nss: fix tight loop in non-blocking TLS handhsake over proxyMartin Frodl
... in case the handshake completes before entering CURLM_STATE_PROTOCONNECT Bug: https://bugzilla.redhat.com/1388162
2016-10-25mk-ca-bundle: Update the vbscript versionJay Satiro
Bring the VBScript version more in line with the perl version: - Change timestamp to UTC. - Change URL retrieval to HTTPS-only by default. - Comment out the options that disabled SSL cert checking by default. - Assume OpenSSL is present, get SHA256. And add a flag to toggle it. - Fix cert issuer name output. The cert issuer output is now ansi, converted from UTF-8. Prior to this it was corrupt UTF-8. It turns out though we can work with UTF-8 the FSO object that writes ca-bundle can't write UTF-8, so there will have to be some alternative if UTF-8 is needed (like an ADODB.Stream). - Disable the certificate text info feature. The certificate text info doesn't work properly with any recent OpenSSL.
2016-10-24mk-ca-bundle: Change URL retrieval to HTTPS-only by defaultJay Satiro
- Change all predefined Mozilla URLs to HTTPS (Gregory Szorc). - New option -k to allow URLs other than HTTPS and enable HTTP fallback. Prior to this change the default URL retrieval mode was to fall back to HTTP if HTTPS didn't work. Reported-by: Gregory Szorc Closes #1012
2016-10-22multi: force connections to get closed in close_all_connectionsDaniel Stenberg
Several independent reports on infinite loops hanging in the close_all_connections() function when closing a multi handle, can be fixed by first marking the connection to get closed before calling Curl_disconnect. This is more fixing-the-symptom rather than the underlying problem though. Bug: https://curl.haxx.se/mail/lib-2016-10/0011.html Bug: https://curl.haxx.se/mail/lib-2016-10/0059.html Reported-by: Dan Fandrich, Valentin David, Miloš Ljumović
2016-10-22curl_multi_remove_handle: fix a double-freeAnders Bakken
In short the easy handle needs to be disconnected from its connection at this point since the connection still is serving other easy handles. In our app we can reliably reproduce a crash in our http2 stress test that is fixed by this change. I can't easily reproduce the same test in a small example. This is the gdb/asan output: ==11785==ERROR: AddressSanitizer: heap-use-after-free on address 0xe9f4fb80 at pc 0x09f41f19 bp 0xf27be688 sp 0xf27be67c READ of size 4 at 0xe9f4fb80 thread T13 (RESOURCE_HTTP) #0 0x9f41f18 in curl_multi_remove_handle /path/to/source/3rdparty/curl/lib/multi.c:666 0xe9f4fb80 is located 0 bytes inside of 1128-byte region [0xe9f4fb80,0xe9f4ffe8) freed by thread T13 (RESOURCE_HTTP) here: #0 0xf7b1b5c2 in __interceptor_free /opt/toolchain/src/gcc-6.2.0/libsanitizer/asan/asan_malloc_linux.cc:45 #1 0x9f7862d in conn_free /path/to/source/3rdparty/curl/lib/url.c:2808 #2 0x9f78c6a in Curl_disconnect /path/to/source/3rdparty/curl/lib/url.c:2876 #3 0x9f41b09 in multi_done /path/to/source/3rdparty/curl/lib/multi.c:615 #4 0x9f48017 in multi_runsingle /path/to/source/3rdparty/curl/lib/multi.c:1896 #5 0x9f490f1 in curl_multi_perform /path/to/source/3rdparty/curl/lib/multi.c:2123 #6 0x9c4443c in perform /path/to/source/src/net/resourcemanager/ResourceManagerCurlThread.cpp:854 #7 0x9c445e0 in ... #8 0x9c4cf1d in ... #9 0xa2be6b5 in ... #10 0xf7aa5780 in asan_thread_start /opt/toolchain/src/gcc-6.2.0/libsanitizer/asan/asan_interceptors.cc:226 #11 0xf4d3a16d in __clone (/lib/i386-linux-gnu/libc.so.6+0xe716d) previously allocated by thread T13 (RESOURCE_HTTP) here: #0 0xf7b1ba27 in __interceptor_calloc /opt/toolchain/src/gcc-6.2.0/libsanitizer/asan/asan_malloc_linux.cc:70 #1 0x9f7dfa6 in allocate_conn /path/to/source/3rdparty/curl/lib/url.c:3904 #2 0x9f88ca0 in create_conn /path/to/source/3rdparty/curl/lib/url.c:5797 #3 0x9f8c928 in Curl_connect /path/to/source/3rdparty/curl/lib/url.c:6438 #4 0x9f45a8c in multi_runsingle /path/to/source/3rdparty/curl/lib/multi.c:1411 #5 0x9f490f1 in curl_multi_perform /path/to/source/3rdparty/curl/lib/multi.c:2123 #6 0x9c4443c in perform /path/to/source/src/net/resourcemanager/ResourceManagerCurlThread.cpp:854 #7 0x9c445e0 in ... #8 0x9c4cf1d in ... #9 0xa2be6b5 in ... #10 0xf7aa5780 in asan_thread_start /opt/toolchain/src/gcc-6.2.0/libsanitizer/asan/asan_interceptors.cc:226 #11 0xf4d3a16d in __clone (/lib/i386-linux-gnu/libc.so.6+0xe716d) SUMMARY: AddressSanitizer: heap-use-after-free /path/to/source/3rdparty/curl/lib/multi.c:666 in curl_multi_remove_handle Shadow bytes around the buggy address: 0x3d3e9f20: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x3d3e9f30: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x3d3e9f40: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x3d3e9f50: fd fd fd fd fd fd fd fd fd fd fd fd fd fa fa fa 0x3d3e9f60: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa =>0x3d3e9f70:[fd]fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x3d3e9f80: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x3d3e9f90: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x3d3e9fa0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x3d3e9fb0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x3d3e9fc0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Heap right redzone: fb Freed heap region: fd Stack left redzone: f1 Stack mid redzone: f2 Stack right redzone: f3 Stack partial redzone: f4 Stack after return: f5 Stack use after scope: f8 Global redzone: f9 Global init order: f6 Poisoned by user: f7 Container overflow: fc Array cookie: ac Intra object redzone: bb ASan internal: fe Left alloca redzone: ca Right alloca redzone: cb ==11785==ABORTING Thread 14 "RESOURCE_HTTP" received signal SIGABRT, Aborted. [Switching to Thread 0xf27bfb40 (LWP 12324)] 0xf7fd8be9 in __kernel_vsyscall () (gdb) bt #0 0xf7fd8be9 in __kernel_vsyscall () #1 0xf4c7ee89 in __GI_raise (sig=6) at ../sysdeps/unix/sysv/linux/raise.c:54 #2 0xf4c803e7 in __GI_abort () at abort.c:89 #3 0xf7b2ef2e in __sanitizer::Abort () at /opt/toolchain/src/gcc-6.2.0/libsanitizer/sanitizer_common/sanitizer_posix_libcdep.cc:122 #4 0xf7b262fa in __sanitizer::Die () at /opt/toolchain/src/gcc-6.2.0/libsanitizer/sanitizer_common/sanitizer_common.cc:145 #5 0xf7b21ab3 in __asan::ScopedInErrorReport::~ScopedInErrorReport (this=0xf27be171, __in_chrg=<optimized out>) at /opt/toolchain/src/gcc-6.2.0/libsanitizer/asan/asan_report.cc:689 #6 0xf7b214a5 in __asan::ReportGenericError (pc=166993689, bp=4068206216, sp=4068206204, addr=3925146496, is_write=false, access_size=4, exp=0, fatal=true) at /opt/toolchain/src/gcc-6.2.0/libsanitizer/asan/asan_report.cc:1074 #7 0xf7b21fce in __asan::__asan_report_load4 (addr=3925146496) at /opt/toolchain/src/gcc-6.2.0/libsanitizer/asan/asan_rtl.cc:129 #8 0x09f41f19 in curl_multi_remove_handle (multi=0xf3406080, data=0xde582400) at /path/to/source3rdparty/curl/lib/multi.c:666 #9 0x09f6b277 in Curl_close (data=0xde582400) at /path/to/source3rdparty/curl/lib/url.c:415 #10 0x09f3354e in curl_easy_cleanup (data=0xde582400) at /path/to/source3rdparty/curl/lib/easy.c:860 #11 0x09c6de3f in ... #12 0x09c378c5 in ... #13 0x09c48133 in ... #14 0x09c4d092 in ... #15 0x0a2be6b6 in ... #16 0xf7aa5781 in asan_thread_start (arg=0xf2d22938) at /opt/toolchain/src/gcc-6.2.0/libsanitizer/asan/asan_interceptors.cc:226 #17 0xf5de52b5 in start_thread (arg=0xf27bfb40) at pthread_create.c:333 #18 0xf4d3a16e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:114 Fixes #1083
2016-10-19curl_multi_add_handle: set timeouts in closure handlesDaniel Stenberg
The closure handle only ever has default timeouts set. To improve the state somewhat we clone the timeouts from each added handle so that the closure handle always has the same timeouts as the most recently added easy handle. Fixes #739
2016-10-18s/cURL/curlDaniel Stenberg
The tool was never called cURL, only the project. But even so, we have more and more over time switched to just use lower case.
2016-10-18polarssl: indented code, removed unused variablesDaniel Stenberg
2016-10-18polarssl: reduce #ifdef madness with a macroDaniel Stenberg
2016-10-18polarssl: fix unaligned SSL session-id lockDaniel Stenberg
2016-10-18Curl_polarsslthreadlock_thread_setup: clear array at initDaniel Stenberg
... since if it fails to init the entire array and then tries to clean it up, it would attempt to work on an uninitialized pointer.
2016-10-18gopher: properly return error for poll failuresDaniel Stenberg
2016-10-18select: switch to macros in uppercaseDaniel Stenberg
Curl_select_ready() was the former API that was replaced with Curl_select_check() a while back and the former arg setup was provided with a define (in order to leave existing code unmodified). Now we instead offer SOCKET_READABLE and SOCKET_WRITABLE for the most common shortcuts where only one socket is checked. They're also more visibly macros.
2016-10-18select: use more proper macro-looking namesDaniel Stenberg
... so that it becomes more obvious in the code what is what. Also added a typecast for one of the calculations.
2016-10-18Curl_socket_check: add extra check to avoid integer overflowDaniel Stenberg
2016-10-17url: skip to-be-closed connections when pipelining (follow-up)Jay Satiro
- Change back behavior so that pipelining is considered possible for connections that have not yet reached the protocol level. This is a follow-up to e5f0b1a which had changed the behavior of checking if pipelining is possible to ignore connections that had 'bits.close' set. Connections that have not yet reached the protocol level also have that bit set, and we need to consider pipelining possible on those connections.
2016-10-16win: fix Universal Windows Platform buildMarcel Raad
This fixes a merge error in commit 7f3df80 caused by commit 332e8d6. Additionally, this changes Curl_verify_windows_version for Windows App builds to assume to always be running on the target Windows version. There seems to be no way to determine the Windows version from a UWP app. Neither GetVersion(Ex), nor VerifyVersionInfo, nor the Version Helper functions are supported. Bug: https://github.com/curl/curl/pull/820#issuecomment-250889878 Reported-by: Paul Joyce Closes https://github.com/curl/curl/pull/1048
2016-10-14url: skip to-be-closed connections when pipeliningRider Linden
No longer attempt to use "doomed" to-be-closed connections when pipelining. Prior to this change connections marked for deletion (e.g. timeout) would be erroneously used, resulting in sporadic crashes. As originally reported and fixed by Carlo Wood (origin unknown). Bug: https://github.com/curl/curl/issues/627 Reported-by: Rider Linden Closes https://github.com/curl/curl/pull/1075 Participation-by: nopjmp@users.noreply.github.com
2016-10-13vtls: only re-use session-ids using the same schemeDaniel Stenberg
To make it harder to do cross-protocol mistakes
2016-10-10cmake: add nghttp2 supportRemo E
Closes #922
2016-10-10resolve: add error message when resolving using SIGALRMAndreas Streichardt
Closes #1066
2016-10-09smb: properly check incoming packet boundariesTobias Stoeckmann
Not all reply messages were properly checked for their lengths, which made it possible to access uninitialized memory (but this does not lead to out of boundary accesses). Closes #1052
2016-10-08mprintf: return error on too many argumentsDaniel Stenberg
128 arguments should be enough for everyone
2016-10-08ftp: fix Curl_ftpsendf()Daniel Stenberg
... it no longer takes printf() arguments since it was only really taken advantage by one user and it was not written and used in a safe way. Thus the 'f' is removed from the function name and the proto is changed. Although the current code wouldn't end up in badness, it was a risk that future changes could end up springf()ing too large data or passing in a format string inadvertently.
2016-10-08formpost: avoid silent snprintf() truncationDaniel Stenberg
The previous use of snprintf() could make libcurl silently truncate some input data and not report that back on overly large input, which could make data get sent over the network in a bad format. Example: $ curl --form 'a=b' -H "Content-Type: $(perl -e 'print "A"x4100')"
2016-10-04memdup: use 'void *' as return and source typeDaniel Stenberg
2016-10-04formpost: trying to attach a directory no longer crashesDaniel Stenberg
The error path would previously add a freed entry to the linked list. Reported-by: Toby Peterson Fixes #1053
2016-10-03cookies: same domain handling changed to match browser behaviorSergei Kuzmin
Cokie with the same domain but different tailmatching property are now considered different and do not replace each other. If header contains following lines then two cookies will be set: Set-Cookie: foo=bar; domain=.foo.com; expires=Thu Mar 3 GMT 8:56:27 2033 Set-Cookie: foo=baz; domain=foo.com; expires=Thu Mar 3 GMT 8:56:27 2033 This matches Chrome, Opera, Safari, and Firefox behavior. When sending stored tokens to foo.com Chrome, Opera, Firefox store send them in the stored order, while Safari pre-sort the cookies. Closes #1050
2016-09-22New libcurl option to keep sending on errorMichael Kaufmann
Add the new option CURLOPT_KEEP_SENDING_ON_ERROR to control whether sending the request body shall be completed when the server responds early with an error status code. This is suitable for manual NTLM authentication. Reviewed-by: Jay Satiro Closes https://github.com/curl/curl/pull/904
2016-09-22nss: add chacha20-poly1305 cipher suites if supported by NSSKamil Dudka
2016-09-22nss: add cipher suites using SHA384 if supported by NSSKamil Dudka
2016-09-22nss: fix typo in ecdhe_rsa_null cipher suite stringKamil Dudka
As it seems to be a rarely used cipher suite (for securely established but _unencrypted_ connections), I believe it is fine not to provide an alias for the misspelled variant.
2016-09-20easy: Reset all statistical session info in curl_easy_resetJay Satiro
Bug: https://github.com/curl/curl/issues/1017 Reported-by: Jeroen Ooms
2016-09-19darwinssl: Fix typo in commentDaniel Gustafsson
Closes https://github.com/curl/curl/pull/1028
2016-09-19libressl: fix version outputBernard Spil
LibreSSL defines `OPENSSL_VERSION_NUMBER` as `0x20000000L` for all versions returning `LibreSSL/2.0.0` for any LibreSSL version. This change provides a local OpenSSL_version_num function replacement returning LIBRESSL_VERSION_NUMBER instead. Closes #1029
2016-09-19openssl: don't call ERR_remote_thread_state on >= 1.1.0Daniel Stenberg
Follow-up fix to d9321562
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