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2018-01-18openssl: fix potential memory leak in SSLKEYLOGFILE logicDaniel Stenberg
Coverity CID 1427646.
2018-01-18openssl: fix the libressl build againDaniel Stenberg
Follow-up to 84fcaa2e7. libressl does not have the API even if it says it is late OpenSSL version... Fixes #2246 Closes #2247 Reported-by: jungle-boogie on github
2018-01-15openssl: enable SSLKEYLOGFILE support by defaultDaniel Stenberg
Fixes #2210 Closes #2236
2018-01-05build: remove HAVE_LIMITS_H checkJay Satiro
.. because limits.h presence isn't optional, it's required by C89. Ref: http://port70.net/~nsz/c/c89/c89-draft.html#2.2.4.2 Closes https://github.com/curl/curl/pull/2215
2018-01-03openssl: fix memory leak of SSLKEYLOGFILE filenameJay Satiro
- Free the copy of SSLKEYLOGFILE env returned by curl_getenv during ossl initialization. Caught by ASAN.
2017-12-12vtls: replaced getenv() with curl_getenv()dmitrykos
Fixed undefined symbol of getenv() which does not exist when compiling for Windows 10 App (CURL_WINDOWS_APP). Replaced getenv() with curl_getenv() which is aware of getenv() absence when CURL_WINDOWS_APP is defined. Closes #2171
2017-12-10openssl: Disable file buffering for Win32 SSLKEYLOGFILEJay Satiro
Prior to this change SSLKEYLOGFILE used line buffering on WIN32 just like it does for other platforms. However, the Windows CRT does not actually support line buffering (_IOLBF) and will use full buffering (_IOFBF) instead. We can't use full buffering because multiple processes may be writing to the file and that could lead to corruption, and since full buffering is the only buffering available this commit disables buffering for Windows SSLKEYLOGFILE entirely (_IONBF). Ref: https://github.com/curl/curl/pull/1346#issuecomment-350530901
2017-12-08openssl: improve data-pending check for https proxyJay Satiro
- Allow proxy_ssl to be checked for pending data even when connssl does not yet have an SSL handle. This change is for posterity. Currently there doesn't seem to be a code path that will cause a pending data check when proxyssl could have pending data and the connssl handle doesn't yet exist [1]. [1]: Recall that an https proxy connection starts out in connssl but if the destination is also https then the proxy SSL backend data is moved from connssl to proxyssl, which means connssl handle is temporarily empty until an SSL handle for the destination can be created. Ref: https://github.com/curl/curl/commit/f4a6238#commitcomment-24396542 Closes https://github.com/curl/curl/pull/1916
2017-12-02openssl: pkcs12 is supported by boringsslDaniel Stenberg
Removes another #ifdef for BoringSSL Pointed-out-by: David Benjamin Closes #2134
2017-11-27openssl: fix boringssl build againDaniel Stenberg
commit d3ab7c5a21e broke the boringssl build since it doesn't have RSA_flags(), so we disable that code block for boringssl builds. Reported-by: W. Mark Kubacki Fixes #2117
2017-11-21openssl: fix "Value stored to 'rc' is never read" scan-build errorDaniel Stenberg
2017-11-15openssl: fix too broad use of HAVE_OPAQUE_EVP_PKEYDirk Feytons
Fixes #2079 Closes #2081
2017-10-25time: rename Curl_tvnow to Curl_nowDaniel Stenberg
... since the 'tv' stood for timeval and this function does not return a timeval struct anymore. Also, cleaned up the Curl_timediff*() functions to avoid typecasts and clean up the descriptive comments. Closes #2011
2017-10-25timediff: return timediff_t from the time diff functionsDaniel Stenberg
... to cater for systems with unsigned time_t variables. - Renamed the functions to curlx_timediff and Curl_timediff_us. - Added overflow protection for both of them in either direction for both 32 bit and 64 bit time_ts - Reprefixed the curlx_time functions to use Curl_* Reported-by: Peter Piekarski Fixes #2004 Closes #2005
2017-10-19vtls: change struct Curl_ssl `close' field name to `close_one'.Patrick Monnerat
On OS/400, `close' is an ASCII system macro that corrupts the code if not used in a context not targetting the close() system API.
2017-10-11openssl: don't use old BORINGSSL_YYYYMM macrosDavid Benjamin
Those were temporary things we'd add and remove for our own convenience long ago. The last few stayed around for too long as an oversight but have since been removed. These days we have a running BORINGSSL_API_VERSION counter which is bumped when we find it convenient, but 2015-11-19 was quite some time ago, so just check OPENSSL_IS_BORINGSSL. Closes #1979
2017-10-09openssl: enable PKCS12 support for !BoringSSLDaniel Stenberg
Enable PKCS12 for all non-boringssl builds without relying on configure or cmake checks. Bug: https://curl.haxx.se/mail/lib-2017-10/0007.html Reported-by: Christian Schmitz Closes #1948
2017-10-06vtls: fix warnings with --disable-crypto-authMarcel Raad
When CURL_DISABLE_CRYPTO_AUTH is defined, Curl_none_md5sum's parameters are not used.
2017-10-06openssl: fix build without HAVE_OPAQUE_EVP_PKEYDaniel Stenberg
Reported-by: Javier Sixto Fixes #1955 Closes #1956
2017-10-05build: fix --disable-crypto-authDaniel Stenberg
Reported-by: Wyatt O'Day Fixes #1945 Closes #1947
2017-10-05darwinssl: add support for TLSv1.3Nick Zitzmann
Closes https://github.com/curl/curl/pull/1794
2017-10-03vtls: compare and clone ssl configs properlyMichael Kaufmann
Compare these settings in Curl_ssl_config_matches(): - verifystatus (CURLOPT_SSL_VERIFYSTATUS) - random_file (CURLOPT_RANDOM_FILE) - egdsocket (CURLOPT_EGDSOCKET) Also copy the setting "verifystatus" in Curl_clone_primary_ssl_config(), and copy the setting "sessionid" unconditionally. This means that reusing connections that are secured with a client certificate is now possible, and the statement "TLS session resumption is disabled when a client certificate is used" in the old advisory at https://curl.haxx.se/docs/adv_20170419.html is obsolete. Reviewed-by: Daniel Stenberg Closes #1917
2017-09-23ntlm: move NTLM_NEEDS_NSS_INIT define into core NTLM headerJay Satiro
.. and include the core NTLM header in all NTLM-related source files. Follow up to 6f86022. Since then http_ntlm checks NTLM_NEEDS_NSS_INIT but did not include vtls.h where it was defined. Closes https://github.com/curl/curl/pull/1911
2017-09-22ntlm: use strict order for SSL backend #if branchesViktor Szakats
With the recently introduced MultiSSL support multiple SSL backends can be compiled into cURL That means that now the order of the SSL One option would be to use the same SSL backend as was configured via `curl_global_sslset()`, however, NTLMv2 support would appear to be available only with some SSL backends. For example, when eb88d778e (ntlm: Use Windows Crypt API, 2014-12-02) introduced support for NTLMv1 using Windows' Crypt API, it specifically did *not* introduce NTLMv2 support using Crypt API at the same time. So let's select one specific SSL backend for NTLM support when compiled with multiple SSL backends, using a priority order such that we support NTLMv2 even if only one compiled-in SSL backend can be used for that. Ref: https://github.com/curl/curl/pull/1848
2017-09-22vtls: provide curl_global_sslset() even in non-SSL buildsDaniel Stenberg
... it just returns error: Bug: https://github.com/curl/curl/commit/1328f69d53f2f2e937696ea954c480412b018451#commitcomment-24470367 Reported-by: Marcel Raad Closes #1906
2017-09-21openssl: only verify RSA private key if supportedDirk Feytons
In some cases the RSA key does not support verifying it because it's located on a smart card, an engine wants to hide it, ... Check the flags on the key before trying to verify it. OpenSSL does the same thing internally; see ssl/ssl_rsa.c Closes #1904
2017-09-16schannel: Support partial send for when data is too largeMarc Aldorasi
Schannel can only encrypt a certain amount of data at once. Instead of failing when too much data is to be sent at once, send as much data as we can and let the caller send the remaining data by calling send again. Bug: https://curl.haxx.se/mail/lib-2014-07/0033.html Closes https://github.com/curl/curl/pull/1890
2017-09-16openssl: add missing includesDavid Benjamin
lib/vtls/openssl.c uses OpenSSL APIs from BUF_MEM and BIO APIs. Include their headers directly rather than relying on other OpenSSL headers including things. Closes https://github.com/curl/curl/pull/1891
2017-09-15conversions: fix several compiler warningsDaniel Stenberg
2017-09-11code style: use spaces around plusesDaniel Stenberg
2017-09-11code style: use spaces around equals signsDaniel Stenberg
2017-09-10mbedtls: enable CA path processingJay Satiro
CA path processing was implemented when mbedtls.c was added to libcurl in fe7590f, but it was never enabled. Bug: https://github.com/curl/curl/issues/1877 Reported-by: SBKarr@users.noreply.github.com
2017-09-07OpenSSL: fix yet another mistake while encapsulating SSL backend dataJohannes Schindelin
Another mistake in my manual fixups of the largely mechanical search-and-replace ("connssl->" -> "BACKEND->"), just like the previous commit concerning HTTPS proxies (and hence not caught during my earlier testing). Fixes #1855 Closes #1871 Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-09-07OpenSSL: fix erroneous SSL backend encapsulationJohannes Schindelin
In d65e6cc4f (vtls: prepare the SSL backends for encapsulated private data, 2017-06-21), this developer prepared for a separation of the private data of the SSL backends from the general connection data. This conversion was partially automated (search-and-replace) and partially manual (e.g. proxy_ssl's backend data). Sadly, there was a crucial error in the manual part, where the wrong handle was used: rather than connecting ssl[sockindex]' BIO to the proxy_ssl[sockindex]', we reconnected proxy_ssl[sockindex]. The reason was an incorrect location to paste "BACKEND->"... d'oh. Reported by Jay Satiro in https://github.com/curl/curl/issues/1855. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-09-07vtls: fix memory corruptionJay Satiro
Ever since 70f1db321 (vtls: encapsulate SSL backend-specific data, 2017-07-28), the code handling HTTPS proxies was broken because the pointer to the SSL backend data was not swapped between conn->ssl[sockindex] and conn->proxy_ssl[sockindex] as intended, but instead set to NULL (causing segmentation faults). [jes: provided the commit message, tested and verified the patch] Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-09-07vtls: switch to CURL_SHA256_DIGEST_LENGTH defineDaniel Stenberg
... instead of the prefix-less version since WolfSSL 3.12 now uses an enum with that name that causes build failures for us. Fixes #1865 Closes #1867 Reported-by: Gisle Vanem
2017-09-06SSL: fix unused parameter warningsJay Satiro
2017-09-06vtls: select ssl backend case-insensitive (follow-up)Gisle Vanem
- Do a case-insensitive comparison of CURL_SSL_BACKEND env as well. - Change Curl_strcasecompare calls to strcasecompare (maps to the former but shorter). Follow-up to c290b8f. Bug: https://github.com/curl/curl/commit/c290b8f#commitcomment-24094313 Co-authored-by: Jay Satiro
2017-09-05openssl: Integrate Peter Wu's SSLKEYLOGFILE implementationJay Satiro
This is an adaptation of 2 of Peter Wu's SSLKEYLOGFILE implementations. The first one, written for old OpenSSL versions: https://git.lekensteyn.nl/peter/wireshark-notes/tree/src/sslkeylog.c The second one, written for BoringSSL and new OpenSSL versions: https://github.com/curl/curl/pull/1346 Note the first one is GPL licensed but the author gave permission to waive that license for libcurl. As of right now this feature is disabled by default, and does not have a configure option to enable it. To enable this feature define ENABLE_SSLKEYLOGFILE when building libcurl and set environment variable SSLKEYLOGFILE to a pathname that will receive the keys. And in Wireshark change your preferences to point to that key file: Edit > Preferences > Protocols > SSL > Master-Secret Co-authored-by: Peter Wu Ref: https://github.com/curl/curl/pull/1030 Ref: https://github.com/curl/curl/pull/1346 Closes https://github.com/curl/curl/pull/1866
2017-09-05openssl: use OpenSSL's default ciphers by defaultKamil Dudka
Up2date versions of OpenSSL maintain the default reasonably secure without breaking compatibility, so it is better not to override the default by curl. Suggested at https://bugzilla.redhat.com/1483972 Closes #1846
2017-09-04schannel: return CURLE_SSL_CACERT on failed verificationDaniel Stenberg
... not *CACERT_BADFILE as it isn't really because of a bad file. Bug: https://curl.haxx.se/mail/lib-2017-09/0002.html Closes #1858
2017-09-01curl_global_sslset: select backend by name case insensitivelyDaniel Stenberg
Closes #1849
2017-08-31darwinssl: handle long strings in TLS certs (follow-up)Jay Satiro
- Fix handling certificate subjects that are already UTF-8 encoded. Follow-up to b3b75d1 from two days ago. Since then a copy would be skipped if the subject was already UTF-8, possibly resulting in a NULL deref later on. Ref: https://github.com/curl/curl/issues/1823 Ref: https://github.com/curl/curl/pull/1831 Closes https://github.com/curl/curl/pull/1836
2017-08-31cyassl: call it the "WolfSSL" backendDaniel Stenberg
... instead of cyassl, as this is the current name for it. Closes #1844
2017-08-31polarssl: fix multissl breakageDaniel Stenberg
Reported-by: Dan Fandrich Bug: https://curl.haxx.se/mail/lib-2017-08/0121.html Closes #1843
2017-08-28configure: allow setting the default SSL backendJohannes Schindelin
Previously, we used as default SSL backend whatever was first in the `available_backends` array. However, some users may want to override that default without patching the source code. Now they can: with the --with-default-ssl-backend=<backend> option of the ./configure script. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-08-28vtls: use Curl_ssl_multi pseudo backend only when neededJohannes Schindelin
When only one SSL backend is configured, it is totally unnecessary to let multissl_init() configure the backend at runtime, we can select the correct backend at build time already. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-08-28version: if built with more than one SSL backend, report all of themJohannes Schindelin
To discern the active one from the inactive ones, put the latter into parentheses. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-08-28vtls: introduce curl_global_sslset()Johannes Schindelin
Let's add a compile time safe API to select an SSL backend. This function needs to be called *before* curl_global_init(), and can be called only once. Side note: we do not explicitly test that it is called before curl_global_init(), but we do verify that it is not called multiple times (even implicitly). If SSL is used before the function was called, it will use whatever the CURL_SSL_BACKEND environment variable says (or default to the first available SSL backend), and if a subsequent call to curl_global_sslset() disagrees with the previous choice, it will fail with CURLSSLSET_TOO_LATE. The function also accepts an "avail" parameter to point to a (read-only) NULL-terminated list of available backends. This comes in real handy if an application wants to let the user choose between whatever SSL backends the currently available libcurl has to offer: simply call curl_global_sslset(-1, NULL, &avail); which will return CURLSSLSET_UNKNOWN_BACKEND and populate the avail variable to point to the relevant information to present to the user. Just like with the HTTP/2 push functions, we have to add the function declaration of curl_global_sslset() function to the header file *multi.h* because VMS and OS/400 require a stable order of functions declared in include/curl/*.h (where the header files are sorted alphabetically). This looks a bit funny, but it cannot be helped. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-08-28vtls: refactor out essential information about the SSL backendsJohannes Schindelin
There is information about the compiled-in SSL backends that is really no concern of any code other than the SSL backend itself, such as which function (if any) implements SHA-256 summing. And there is information that is really interesting to the user, such as the name, or the curl_sslbackend value. Let's factor out the latter into a publicly visible struct. This information will be used in the upcoming API to set the SSL backend globally. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
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