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path: root/lib/vtls/darwinssl.c
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2018-11-23snprintf: renamed and we now only use msnprintf()Daniel Stenberg
The function does not return the same value as snprintf() normally does, so readers may be mislead into thinking the code works differently than it actually does. A different function name makes this easier to detect. Reported-by: Tomas Hoger Assisted-by: Daniel Gustafsson Fixes #3296 Closes #3297
2018-11-20ssl: replace all internal uses of CURLE_SSL_CACERTHan Han
Closes #3291
2018-09-20vtls: fix ssl version "or later" behavior change for many backendsJay Satiro
- Treat CURL_SSLVERSION_MAX_NONE the same as CURL_SSLVERSION_MAX_DEFAULT. Prior to this change NONE would mean use the minimum version also as the maximum. This is a follow-up to 6015cef which changed the behavior of setting the SSL version so that the requested version would only be the minimum and not the maximum. It appears it was (mostly) implemented in OpenSSL but not other backends. In other words CURL_SSLVERSION_TLSv1_0 used to mean use just TLS v1.0 and now it means use TLS v1.0 *or later*. - Fix CURL_SSLVERSION_MAX_DEFAULT for OpenSSL. Prior to this change CURL_SSLVERSION_MAX_DEFAULT with OpenSSL was erroneously treated as always TLS 1.3, and would cause an error if OpenSSL was built without TLS 1.3 support. Co-authored-by: Daniel Gustafsson Fixes https://github.com/curl/curl/issues/2969 Closes https://github.com/curl/curl/pull/3012
2018-09-18darwinssl: Fix realloc memleakDaniel Gustafsson
The reallocation was using the input pointer for the return value, which leads to a memory leak on reallication failure. Fix by instead use the safe internal API call Curl_saferealloc(). Closes #3005 Reviewed-by: Daniel Stenberg <daniel@haxx.se> Reviewed-by: Nick Zitzmann <nickzman@gmail.com>
2018-09-06ssl: deprecate CURLE_SSL_CACERT in favour of a unified error codeHan Han
Long live CURLE_PEER_FAILED_VERIFICATION
2018-09-06darwinssl: more specific and unified error codesHan Han
Closes #2901
2018-07-14darwinssl: add support for ALPN negotiationRodger Combs
2018-07-06darwinssl: allow High Sierra users to build the code using GCCNick Zitzmann
...but GCC users lose out on TLS 1.3 support, since we can't weak-link enumeration constants. Fixes #2656 Closes #2703
2018-05-04vtls: use unified "supports" bitfield member in backendsDaniel Stenberg
... instead of previous separate struct fields, to make it easier to extend and change individual backends without having to modify them all. closes #2547
2018-04-06tls: fix mbedTLS 2.7.0 build + handle sha256 failuresWyatt O'Day
(mbedtls 2.70 compiled with MBEDTLS_DEPRECATED_REMOVED) Closes #2453
2018-03-18darwinssl: fix iOS buildChris Araman
2018-03-16cleanup: misc typos in strings and commentsluz.paz
Found via `codespell` Closes #2389
2018-01-25darwinssl: Don't import client certificates into Keychain on macOSDair Grant
Closes #2085
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
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.
2017-10-05darwinssl: add support for TLSv1.3Nick Zitzmann
Closes https://github.com/curl/curl/pull/1794
2017-09-11code style: use spaces around equals signsDaniel Stenberg
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
2017-08-31darwinssl: 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
2017-08-28vtls: 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>
2017-08-28vtls: allow selecting which SSL backend to use at runtimeJohannes Schindelin
When building software for the masses, it is sometimes not possible to decide for all users which SSL backend is appropriate. Git for Windows, for example, uses cURL to perform clones, fetches and pushes via HTTPS, and some users strongly prefer OpenSSL, while other users really need to use Secure Channel because it offers enterprise-ready tools to manage credentials via Windows' Credential Store. The current Git for Windows versions use the ugly work-around of building libcurl once with OpenSSL support and once with Secure Channel support, and switching out the binaries in the installer depending on the user's choice. Needless to say, this is a super ugly workaround that actually only works in some cases: Git for Windows also comes in a portable form, and in a form intended for third-party applications requiring Git functionality, in which cases this "swap out libcurl-4.dll" simply is not an option. Therefore, the Git for Windows project has a vested interest in teaching cURL to make the SSL backend a *runtime* option. This patch makes that possible. By running ./configure with multiple --with-<backend> options, cURL will be built with multiple backends. For the moment, the backend can be configured using the environment variable CURL_SSL_BACKEND (valid values are e.g. "openssl" and "schannel"). Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-08-28vtls: fold the backend ID into the Curl_ssl structureJohannes Schindelin
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-08-28vtls: encapsulate SSL backend-specific dataJohannes Schindelin
So far, all of the SSL backends' private data has been declared as part of the ssl_connect_data struct, in one big #if .. #elif .. #endif block. This can only work as long as the SSL backend is a compile-time option, something we want to change in the next commits. Therefore, let's encapsulate the exact data needed by each SSL backend into a private struct, and let's avoid bleeding any SSL backend-specific information into urldata.h. This is also necessary to allow multiple SSL backends to be compiled in at the same time, as e.g. OpenSSL's and CyaSSL's headers cannot be included in the same .c file. To avoid too many malloc() calls, we simply append the private structs to the connectdata struct in allocate_conn(). This requires us to take extra care of alignment issues: struct fields often need to be aligned on certain boundaries e.g. 32-bit values need to be stored at addresses that divide evenly by 4 (= 32 bit / 8 bit-per-byte). We do that by assuming that no SSL backend's private data contains any fields that need to be aligned on boundaries larger than `long long` (typically 64-bit) would need. Under this assumption, we simply add a dummy field of type `long long` to the `struct connectdata` struct. This field will never be accessed but acts as a placeholder for the four instances of ssl_backend_data instead. the size of each ssl_backend_data struct is stored in the SSL backend-specific metadata, to allow allocate_conn() to know how much extra space to allocate, and how to initialize the ssl[sockindex]->backend and proxy_ssl[sockindex]->backend pointers. This would appear to be a little complicated at first, but is really necessary to encapsulate the private data of each SSL backend correctly. And we need to encapsulate thusly if we ever want to allow selecting CyaSSL and OpenSSL at runtime, as their headers cannot be included within the same .c file (there are just too many conflicting definitions and declarations for that). Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-08-28vtls: prepare the SSL backends for encapsulated private dataJohannes Schindelin
At the moment, cURL's SSL backend needs to be configured at build time. As such, it is totally okay for them to hard-code their backend-specific data in the ssl_connect_data struct. In preparation for making the SSL backend a runtime option, let's make the access of said private data a bit more abstract so that it can be adjusted later in an easy manner. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-08-28getinfo: access SSL internals via Curl_sslJohannes Schindelin
In the ongoing endeavor to abstract out all SSL backend-specific functionality, this is the next step: Instead of hard-coding how the different SSL backends access their internal data in getinfo.c, let's implement backend-specific functions to do that task. This will also allow for switching SSL backends as a runtime option. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-08-28vtls: remove obsolete declarations of SSL backend functionalityJohannes Schindelin
These functions are all available via the Curl_ssl struct now, no need to declare them separately anymore. As the global declarations are removed, the corresponding function definitions are marked as file-local. The only two exceptions here are Curl_mbedtls_shutdown() and Curl_polarssl_shutdown(): only the declarations were removed, there are no function definitions to mark file-local. Please note that Curl_nss_force_init() is *still* declared globally, as the only SSL backend-specific function, because it was introduced specifically for the use case where cURL was compiled with `--without-ssl --with-nss`. For details, see f3b77e561 (http_ntlm: add support for NSS, 2010-06-27). Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-08-28vtls: move the SUPPORT_HTTPS_PROXY flag into the Curl_ssl structJohannes Schindelin
That will allow us to choose the SSL backend at runtime. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-08-28vtls: convert the have_curlssl_* constants to runtime flagsJohannes Schindelin
The entire idea of introducing the Curl_ssl struct to describe SSL backends is to prepare for choosing the SSL backend at runtime. To that end, convert all the #ifdef have_curlssl_* style conditionals to use bit flags instead. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-08-28vtls: move sha256sum into the Curl_ssl structJohannes Schindelin
The SHA-256 checksumming is also an SSL backend-specific function. Let's include it in the struct declaring the functionality of SSL backends. In contrast to MD5, there is no fall-back code. To indicate this, the respective entries are NULL for those backends that offer no support for SHA-256 checksumming. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-08-28vtls: move md5sum into the Curl_ssl structJohannes Schindelin
The MD5 summing is also an SSL backend-specific function. So let's include it, offering the previous fall-back code as a separate function now: Curl_none_md5sum(). To allow for that, the signature had to be changed so that an error could be returned from the implementation (Curl_none_md5sum() can run out of memory). Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-08-28vtls: use the Curl_ssl struct to access all SSL backends' functionalityJohannes Schindelin
This is the first step to unify the SSL backend handling. Now all the SSL backend-specific functionality is accessed via a global instance of the Curl_ssl struct. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-08-28vtls: declare Curl_ssl structs for every SSL backendJohannes Schindelin
The idea of introducing the Curl_ssl struct was to unify how the SSL backends are declared and called. To this end, we now provide an instance of the Curl_ssl struct for each and every SSL backend. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-08-28vtls: make sure every _sha256sum()'s first arg is constJohannes Schindelin
This patch makes the signature of the _sha256sum() functions consistent among the SSL backends, in preparation for unifying the way all SSL backends are accessed. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-08-28vtls: use consistent signature for _random() implementationsJohannes Schindelin
This will make the upcoming multissl backend much easier to implement. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-08-27darwinssl: handle long strings in TLS certsDaniel Stenberg
... as the previous fixed length 128 bytes buffer was sometimes too small. Fixes #1823 Closes #1831 Reported-by: Benjamin Sergeant Assisted-by: Bill Pyne, Ray Satiro, Nick Zitzmann
2017-08-16darwinssi: fix error: variable length array usedDaniel Stenberg
2017-08-05darwinssl: fix compiler warningMarcel Raad
clang complains: vtls/darwinssl.c:40:8: error: extra tokens at end of #endif directive [-Werror,-Wextra-tokens] This breaks the darwinssl build on Travis. Fix it by making this token a comment. Closes https://github.com/curl/curl/pull/1734
2017-08-04darwin: silence compiler warningsDaniel Stenberg
With a clang pragma and three type fixes Fixes #1722
2017-08-03darwinssl: fix curlssl_sha256sum() compiler warnings on first argumentDaniel Stenberg
2017-07-27darwinssl: fix variable type mistake (regression)Daniel Stenberg
... which made --tlsv1.2 not work because it would blank the max tls version variable. Reported-by: Nick Miyake Bug: #1703
2017-07-17darwinssl: fix pinnedpubkey build errorJay Satiro
- s/SessionHandle/Curl_easy/ Bug: https://github.com/curl/curl/commit/eb16305#commitcomment-23035670 Reported-by: Gisle Vanem
2017-05-16darwinssl: Fix exception when processing a client-side certificate fileNick Zitzmann
if no error was raised by the API but the SecIdentityRef was null Fixes #1450
2017-05-15SecureTransport/DarwinSSL: Implement public key pinningmoparisthebest
Closes #1400
2017-04-18TLS: Fix switching off SSL session id when client cert is usedJay Satiro
Move the sessionid flag to ssl_primary_config so that ssl and proxy_ssl will each have their own sessionid flag. Regression since HTTPS-Proxy support was added in cb4e2be. Prior to that this issue had been fixed in 247d890, CVE-2016-5419. Bug: https://github.com/curl/curl/issues/1341 Reported-by: lijian996@users.noreply.github.com The new incarnation of this bug is called CVE-2017-7468 and is documented here: https://curl.haxx.se/docs/adv_20170419.html
2017-03-18darwinssl: fix typo in variable namePalo Markovic
Broken a week ago in 6448f98. Closes https://github.com/curl/curl/pull/1337
2017-03-08vtls: add options to specify range of enabled TLS versionsJozef Kralik
This commit introduces the CURL_SSLVERSION_MAX_* constants as well as the --tls-max option of the curl tool. Closes https://github.com/curl/curl/pull/1166
2017-03-02darwinssl: Warn that disabling host verify also disables SNIJDepooter
In DarwinSSL the SSLSetPeerDomainName function is used to enable both sending SNI and verifying the host. When host verification is disabled the function cannot be called, therefore SNI is disabled as well. Closes https://github.com/curl/curl/pull/1240
2017-02-07darwinssl: Avoid parsing certificates when not in verbose modeDaniel Gustafsson
The information extracted from the server certificates in step 3 is only used when in verbose mode, and there is no error handling or validation performed as that has already been done. Only run the certificate information extraction when in verbose mode and libcurl was built with verbose strings. Closes https://github.com/curl/curl/pull/1246
2017-01-12rand: make it work without TLS backingDaniel Stenberg
Regression introduced in commit f682156a4fc6c4 Reported-by: John Kohl Bug: https://curl.haxx.se/mail/lib-2017-01/0055.html
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