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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).
2015-06-11schannel: 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.
2015-06-08openssl: 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
2015-06-07openssl: 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.
2015-06-01curl_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
2015-05-27openssl: 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
2015-05-20gtls: don't fail on non-fatal alerts during handshakeDmitry Eremin-Solenikov
Stop curl from failing when non-fatal alert is received during handshake. This e.g. fixes lots of problems when working with https sites through proxies.
2015-05-19openssl: Use SSL_CTX_set_msg_callback and SSL_CTX_set_msg_callback_argBrian Prodoehl
BoringSSL removed support for direct callers of SSL_CTX_callback_ctrl and SSL_CTX_ctrl, so move to a way that should work on BoringSSL and OpenSSL. re #275
2015-05-04gtls: properly retrieve certificate statusAlessandro Ghedini
Also print the revocation reason if appropriate.
2015-05-04OpenSSL: conditional check for SSL3_RT_HEADERDaniel Stenberg
The symbol is fairly new. Reported-by: Kamil Dudka
2015-05-04openssl: skip trace outputs for ssl_ver == 0Daniel Stenberg
The OpenSSL trace callback is wonderfully undocumented but given a journey in the source code, it seems the cases were ssl_ver is zero doesn't follow the same pattern and thus turned out confusing and misleading. For now, we skip doing any CURLINFO_TEXT logging on those but keep sending them as CURLINFO_SSL_DATA_OUT/IN. Also, I added direction to the text info and I edited some functions slightly. Bug: https://github.com/bagder/curl/issues/219 Reported-by: Jay Satiro, Ashish Shukla
2015-05-02schannel.c: Small changesMarc Hoersken
2015-05-02schannel.c: Improve code path and readabilityMarc Hoersken
2015-05-02schannel.c: Improve error and return code handling upon aa99a63f03Marc Hoersken
2015-05-02schannel: fix regression in schannel_recvChris Araman
https://github.com/bagder/curl/issues/244 Commit 145c263 changed the behavior when Curl_read_plain returns CURLE_AGAIN. We now handle CURLE_AGAIN and SEC_I_CONTEXT_EXPIRED correctly.
2015-05-01Bug born in changes made several days ago 9a91e80.Marc Hoersken
Commit: https://github.com/bagder/curl/commit/926cb9f Reported-by: Ray Satiro
2015-04-30schannel: Fix out of bounds arrayJay Satiro
Bug born in changes made several days ago 9a91e80. Bug: http://curl.haxx.se/mail/lib-2015-04/0199.html Reported-by: Brian Chrisman
2015-04-27nss: fix compilation failure with old versions of NSSPaul Howarth
Bug: http://curl.haxx.se/mail/lib-2015-04/0095.html
2015-04-26schannel.c: Fix typo introduced with 3447c973d0Marc Hoersken
2015-04-26schannel.c: Fix possible SEC_E_BUFFER_TOO_SMALL errorMarc Hoersken
Reported-by: Brian Chrisman
2015-04-26schannel: re-indented file to follow curl style betterDaniel Stenberg
white space changes only
2015-04-26Curl_ossl_init: load builtin modulesDaniel Stenberg
To have engine modules work, we must tell openssl to load builtin modules first. Bug: https://github.com/bagder/curl/pull/206
2015-04-26openssl: fix serial number outputDaniel Stenberg
The code extracting the cert serial number was broken and didn't display it properly. Bug: https://github.com/bagder/curl/issues/235 Reported-by: dkjjr89
2015-04-22cyassl: Implement public key pinningJay Satiro
Also add public key extraction example to CURLOPT_PINNEDPUBLICKEY doc.
2015-04-22nss: implement public key pinning for NSS backendKamil Dudka
Bug: https://bugzilla.redhat.com/1195771
2015-04-21openssl: add OPENSSL_NO_SSL3_METHOD checkbyronhe
2015-04-19vtls/openssl: use https in URLs and a comment typo fixedViktor Szakáts
2015-04-17cyassl: Fix include orderJay Satiro
Prior to this change CyaSSL's build options could redefine some generic build symbols. http://curl.haxx.se/mail/lib-2015-04/0069.html
2015-04-14cyassl: Add support for TLS extension SNIJay Satiro
2015-04-13vtls_openssl: improve PKCS#12 load failure error messageMatthew Hall
2015-04-13vtls_openssl: fix minor typo in PKCS#12 load routineMatthew Hall
2015-04-13vtls_openssl: improve client certificate load failure error messagesMatthew Hall
2015-04-13vtls_openssl: remove ambiguous SSL_CLIENT_CERT_ERR constantMatthew Hall
2015-04-11cyassl: Include the CyaSSL build configJay Satiro
CyaSSL >= 2.6.0 may have an options.h that was generated during its build by configure.
2015-04-06cyassl: Use CYASSL_MAX_ERROR_SZ for error buffer sizeJay Satiro
Also fix it so that all ERR_error_string calls use an error buffer. CyaSSL's implementation of ERR_error_string only writes the error when an error buffer is passed. http://www.yassl.com/forums/topic599-openssl-compatibility-and-errerrorstring.html
2015-04-05cyassl: Remove 'Connecting to' message from cyassl_connect_step2Jay Satiro
Prior to this change libcurl could show multiple 'CyaSSL: Connecting to' messages since cyassl_connect_step2 is called multiple times, typically. The message is superfluous even once since libcurl already informs the user elsewhere in code that it is connecting.
2015-04-03cyassl: Set minimum protocol version before CTX callbackJay Satiro
This change is to allow the user's CTX callback to change the minimum protocol version in the CTX without us later overriding it, as we did prior to this change.
2015-04-02cyassl: Fix certificate load checkJay Satiro
SSL_CTX_load_verify_locations can return negative values on fail, therefore to check for failure we check if load is != 1 (success) instead of if load is == 0 (failure), the latter being incorrect given that behavior.
2015-04-01cyassl: Fix library initialization return valueJay Satiro
(Curl_cyassl_init) - Return 1 on success, 0 in failure. Prior to this change the fail path returned an incorrect value and the evaluation to determine whether CyaSSL_Init had succeeded was incorrect. Ironically that combined with the way curl_global_init tests SSL library initialization (!Curl_ssl_init()) meant that CyaSSL having been successfully initialized would be seen as that even though the code path and return value in Curl_cyassl_init were wrong.
2015-03-31axtls: add timeout within Curl_axtls_connectDan Fandrich
This allows test 405 to pass on axTLS.
2015-03-28cyassl: CTX callback cosmetic changes and doc fixJay Satiro
- More descriptive fail message for NO_FILESYSTEM builds. - Cosmetic changes. - Change more of CURLOPT_SSL_CTX_* doc to not be OpenSSL specific.
2015-03-27cyassl: add SSL context callback support for CyaSSLKyle L. Huff
Adds support for CURLOPT_SSL_CTX_FUNCTION when using CyaSSL, and better handles CyaSSL instances using NO_FILESYSTEM.
2015-03-27cyassl: remove undefined reference to CyaSSL_no_filesystem_verifyKyle L. Huff
CyaSSL_no_filesystem_verify is not (or no longer) defined by cURL or CyaSSL. This reference causes build errors when compiling with NO_FILESYSTEM.
2015-03-27vtls: Don't accept unknown CURLOPT_SSLVERSION valuesJay Satiro
2015-03-25polarssl: called mbedTLS in 1.3.10 and laterDaniel Stenberg
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