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2015-06-24http2: Harden header validation for curl_pushheader_bynameTatsuhiro Tsujikawa
Since we do prefix match using given header by application code against header name pair in format "NAME:VALUE", and VALUE part can contain ":", we have to careful about existence of ":" in header parameter. ":" should be allowed to match HTTP/2 pseudo-header field, and other use of ":" in header must be treated as error, and curl_pushheader_byname should return NULL. This commit implements this behaviour.
2015-06-24http2: curl_pushheader_byname now takes a const char *Daniel Stenberg
2015-06-24http2: free all header memory after the push callbackDaniel Stenberg
2015-06-24http2: init the pushed transfer properlyDaniel Stenberg
2015-06-24http2: fixed the header accessor functions for the push callbackDaniel Stenberg
2015-06-24http2: setup the new pushed stream properlyDaniel Stenberg
2015-06-24http2: initial implementation of the push callbackDaniel Stenberg
2015-06-23pretransfer: init state.infilesize here, not in add_handleDaniel Stenberg
... to properly support that options are set to the handle after it is added to the multi handle. Bug: http://curl.haxx.se/mail/lib-2015-06/0122.html Reported-by: Stefan Bühler
2015-06-18cookie: Fix bug in export if any-domain cookie is presentJay Satiro
In 3013bb6 I had changed cookie export to ignore any-domain cookies, however the logic I used to do so was incorrect, and would lead to a busy loop in the case of exporting a cookie list that contained any-domain cookies. The result of that is worse though, because in that case the other cookies would not be written resulting in an empty file once the application is terminated to stop the busy loop.
2015-06-18FTP: fixed compiling with --disable-proxy, broken in b88f980aDan Fandrich
2015-06-18Makefile.m32: add support for CURL_LDFLAG_EXTRASViktor Szakats
It is similar to existing CURL_CFLAG_EXTRAS, but for extra linker option.
2015-06-18RTSP: removed another piece of dead codeDaniel Stenberg
Coverity CID 1306668
2015-06-18openssl: fix use of uninitialized bufferDaniel Stenberg
Make sure that the error buffer is always initialized and simplify the use of it to make the logic easier. Bug: https://github.com/bagder/curl/issues/318 Reported-by: sneis
2015-06-18openssl: fix build with BoringSSLDaniel Stenberg
OPENSSL_load_builtin_modules does not exist in BoringSSL. Regression from cae43a1
2015-06-17openssl: Fix build with openssl < ~ 0.9.8fPaul Howarth
The symbol SSL3_MT_NEWSESSION_TICKET appears to have been introduced at around openssl 0.9.8f, and the use of it in lib/vtls/openssl.c breaks builds with older openssls (certainly with 0.9.8b, which is the latest older version I have to try with).
2015-06-17FTP: do the HTTP CONNECT for data connection blockingDaniel Stenberg
** WORK-AROUND ** The introduced non-blocking general behaviour for Curl_proxyCONNECT() didn't work for the data connection establishment unless it was very fast. The newly introduced function argument makes it operate in a more blocking manner, more like it used to work in the past. This blocking approach is only used when the FTP data connecting through HTTP proxy. Blocking like this is bad. A better fix would make it work more asynchronously. Bug: https://github.com/bagder/curl/issues/278
2015-06-17http: do not leak basic auth credentials on re-used connectionsKamil Dudka
CVE-2015-3236 This partially reverts commit curl-7_39_0-237-g87c4abb Reported-by: Tomas Tomecek, Kamil Dudka Bug: http://curl.haxx.se/docs/adv_20150617A.html
2015-06-17SMB: rangecheck values read off incoming packetDaniel Stenberg
CVE-2015-3237 Detected by Coverity. CID 1299430. Bug: http://curl.haxx.se/docs/adv_20150617B.html
2015-06-17schannel: schannel_recv overhaulJay Satiro
This commit is several drafts squashed together. The changes from each draft are noted below. If any changes are similar and possibly contradictory the change in the latest draft takes precedence. Bug: https://github.com/bagder/curl/issues/244 Reported-by: Chris Araman %% %% Draft 1 %% - return 0 if len == 0. that will have to be documented. - continue on and process the caches regardless of raw recv - if decrypted data will be returned then set the error code to CURLE_OK and return its count - if decrypted data will not be returned and the connection has closed (eg nread == 0) then return 0 and CURLE_OK - if decrypted data will not be returned and the connection *hasn't* closed then set the error code to CURLE_AGAIN --only if an error code isn't already set-- and return -1 - narrow the Win2k workaround to only Win2k %% %% Draft 2 %% - Trying out a change in flow to handle corner cases. %% %% Draft 3 %% - Back out the lazier decryption change made in draft2. %% %% Draft 4 %% - Some formatting and branching changes - Decrypt all encrypted cached data when len == 0 - Save connection closed state - Change special Win2k check to use connection closed state %% %% Draft 5 %% - Default to CURLE_AGAIN in cleanup if an error code wasn't set and the connection isn't closed. %% %% Draft 6 %% - Save the last error only if it is an unrecoverable error. Prior to this I saved the last error state in all cases; unfortunately the logic to cover that in all cases would lead to some muddle and I'm concerned that could then lead to a bug in the future so I've replaced it by only recording an unrecoverable error and that state will persist. - Do not recurse on renegotiation. Instead we'll continue on to process any trailing encrypted data received during the renegotiation only. - Move the err checks in cleanup after the check for decrypted data. In either case decrypted data is always returned but I think it's easier to understand when those err checks come after the decrypted data check. %% %% Draft 7 %% - Regardless of len value go directly to cleanup if there is an unrecoverable error or a close_notify was already received. Prior to this change we only acknowledged those two states if len != 0. - Fix a bug in connection closed behavior: Set the error state in the cleanup, because we don't know for sure it's an error until that time. - (Related to above) In the case the connection is closed go "greedy" with the decryption to make sure all remaining encrypted data has been decrypted even if it is not needed at that time by the caller. This is necessary because we can only tell if the connection closed gracefully (close_notify) once all encrypted data has been decrypted. - Do not renegotiate when an unrecoverable error is pending. %% %% Draft 8 %% - Don't show 'server closed the connection' info message twice. - Show an info message if server closed abruptly (missing close_notify).
2015-06-15rtsp_do: fix DEAD CODEDaniel Stenberg
"At condition p_request, the value of p_request cannot be NULL." Coverity CID 1306668.
2015-06-15security:choose_mech fix DEAD CODE warningDaniel Stenberg
... by removing the "do {} while (0)" block. Coverity CID 1306669
2015-06-14urldata: store POST size in state.infilesize tooDaniel Stenberg
... to simplify checking when PUT _or_ POST have completed. Reported-by: Frank Meier Bug: http://curl.haxx.se/mail/lib-2015-06/0019.html
2015-06-11schannel: Add support for optional client certificatesJoel Depooter
Some servers will request a client certificate, but not require one. This change allows libcurl to connect to such servers when using schannel as its ssl/tls backend. When a server requests a client certificate, libcurl will now continue the handshake without one, rather than terminating the handshake. The server can then decide if that is acceptable or not. Prior to this change, libcurl would terminate the handshake, reporting a SEC_I_INCOMPLETE_CREDENTIALS error.
2015-06-10debug: remove http2 debug leftoversDaniel Stenberg
2015-06-09INTERNALS: cat lib/README* >> INTERNALSDaniel Stenberg
and a conversion to markdown. Removed the lib/README.* files. The idea being to move toward having INTERNALS as the one and only "book" of internals documentation. Added a TOC to top of the document.
2015-06-08openssl: LibreSSL and BoringSSL do not use TLS_client_methodJay Satiro
Although OpenSSL 1.1.0+ deprecated SSLv23_client_method in favor of TLS_client_method LibreSSL and BoringSSL didn't and still use SSLv23_client_method. Bug: https://github.com/bagder/curl/commit/49a6642#commitcomment-11578009 Reported-by: asavah@users.noreply.github.com
2015-06-09CURLOPT_OPENSOCKETFUNCTION: return error at onceDaniel Stenberg
When CURL_SOCKET_BAD is returned in the callback, it should be treated as an error (CURLE_COULDNT_CONNECT) if no other socket is subsequently created when trying to connect to a server. Bug: http://curl.haxx.se/mail/lib-2015-06/0047.html
2015-06-07openssl: Fix verification of server-sent legacy intermediatesJay Satiro
- Try building a chain using issuers in the trusted store first to avoid problems with server-sent legacy intermediates. Prior to this change server-sent legacy intermediates with missing legacy issuers would cause verification to fail even if the client's CA bundle contained a valid replacement for the intermediate and an alternate chain could be constructed that would verify successfully. https://rt.openssl.org/Ticket/Display.html?id=3621&user=guest&pass=guest
2015-06-05openssl: removed error string #ifdefDaniel Stenberg
ERR_error_string_n() was introduced in 0.9.6, no need to #ifdef anymore
2015-06-05openssl: removed USERDATA_IN_PWD_CALLBACK kludgeDaniel Stenberg
Code for OpenSSL 0.9.4 serves no purpose anymore!
2015-06-05openssl: remove SSL_get_session()-using codeDaniel Stenberg
It was present for OpenSSL 0.9.5 code but we only support 0.9.7 or later.
2015-06-05openssl: remove dummy callback use from SSL_CTX_set_verify()Daniel Stenberg
The existing callback served no purpose.
2015-06-03cookie: Stop exporting any-domain cookiesJay Satiro
Prior to this change any-domain cookies (cookies without a domain that are sent to any domain) were exported with domain name "unknown". Bug: https://github.com/bagder/curl/issues/292
2015-06-02curl_setup: Change fopen text macros to use 't' for MSDOSJay Satiro
Bug: https://github.com/bagder/curl/pull/258#issuecomment-107915198 Reported-by: Gisle Vanem
2015-06-02checksrc: detect fopen() for text without the FOPEN_* macrosDaniel Stenberg
Follow-up to e8423f9ce150 with discussionis in https://github.com/bagder/curl/pull/258 This check scans for fopen() with a mode string without 'b' present, as it may indicate that an FOPEN_* define should rather be used.
2015-06-01curl_setup: Add macros for FOPEN_READTEXT, FOPEN_WRITETEXTJay Satiro
- Change fopen calls to use FOPEN_READTEXT instead of "r" or "rt" - Change fopen calls to use FOPEN_WRITETEXT instead of "w" or "wt" This change is to explicitly specify when we need to read/write text. Unfortunately 't' is not part of POSIX fopen so we can't specify it directly. Instead we now have FOPEN_READTEXT, FOPEN_WRITETEXT. Prior to this change we had an issue on Windows if an application that uses libcurl overrides the default file mode to binary. The default file mode in Windows is normally text mode (translation mode) and that's what libcurl expects. Bug: https://github.com/bagder/curl/pull/258#issuecomment-107093055 Reported-by: Orgad Shaneh
2015-05-31HTTP-NTLM: fail auth on connection close instead of loopingIsaac Boukris
Bug: https://github.com/bagder/curl/issues/256
2015-05-31README.pingpong: removedDaniel Stenberg
2015-05-30HTTP2: moved docs into docs/ and make it markdownDaniel Stenberg
2015-05-30README.http2: refreshed and added multiplexing infoDaniel Stenberg
2015-05-27openssl: typo in commentDaniel Melani
2015-05-27openssl: Use TLS_client_method for OpenSSL 1.1.0+Jay Satiro
SSLv23_client_method is deprecated starting in OpenSSL 1.1.0. The equivalent is TLS_client_method. https://github.com/openssl/openssl/commit/13c9bb3#diff-708d3ae0f2c2973b272b811315381557
2015-05-25http2: Copy data passed in Curl_http2_switched into HTTP/2 connection bufferTatsuhiro Tsujikawa
Previously, after seeing upgrade to HTTP/2, we feed data followed by upgrade response headers directly to nghttp2_session_mem_recv() in Curl_http2_switched(). But it turns out that passed buffer, mem, is part of stream->mem, and callbacks called by nghttp2_session_mem_recv() will write stream specific data into stream->mem, overwriting input data. This will corrupt input, and most likely frame length error is detected by nghttp2 library. The fix is first copy the passed data to HTTP/2 connection buffer, httpc->inbuf, and call nghttp2_session_mem_recv().
2015-05-24conncache: fixed memory leak on OOM (torture tests)Dan Fandrich
2015-05-22security: fix "Unchecked return value" from sscanf()Daniel Stenberg
By (void) prefixing it and adding a comment. Did some minor related cleanups. Coverity CID 1299423.
2015-05-22security: simplify choose_mechDaniel Stenberg
Coverity CID 1299424 identified dead code because of checks that could never equal true (if the mechanism's name was NULL). Simplified the function by removing a level of pointers and removing the loop and array that weren't used.
2015-05-22RTSP: catch attempted unsupported requests betterDaniel Stenberg
Replace use of assert with code that properly catches bad input at run-time even in non-debug builds. This flaw was sort of detected by Coverity CID 1299425 which claimed the "case RTSPREQ_NONE" was dead code.
2015-05-22share_init: fix OOM crashDaniel Stenberg
A failed calloc() would lead to NULL pointer use. Coverity CID 1299427.
2015-05-22parse_proxy: switch off tunneling if non-HTTP proxyDaniel Stenberg
non-HTTP proxy implies not using CURLOPT_HTTPPROXYTUNNEL Bug: http://curl.haxx.se/mail/lib-2015-05/0056.html Reported-by: Sean Boudreau
2015-05-22http2: on_frame_recv: return early on stream 0Daniel Stenberg
Coverity CID 1299426 warned about possible NULL dereference otherwise, but that would only ever happen if we get invalid HTTP/2 data with frames for stream 0. Avoid this risk by returning early when stream 0 is used.
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