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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>
2017-08-28schannel: reorder functions topologicallyJohannes Schindelin
The _shutdown() function calls the _session_free() function; While this is not a problem now (because schannel.h declares both functions), a patch looming in the immediate future with make all of these functions file-local. So let's just move the _session_free() function's definition before it is called. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-08-28axtls: reorder functions topologicallyJohannes Schindelin
The connect_finish() function (like many other functions after it) calls the Curl_axtls_close() function; While this is not a problem now (because axtls.h declares the latter function), a patch looming in the immediate future with make all of these functions file-local. So let's just move the Curl_axtls_close() function's definition before it is called. 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: introduce a new struct for SSL backendsJohannes Schindelin
This new struct is similar in nature to Curl_handler: it will define the functions and capabilities of all the SSL backends (where Curl_handler defines the functions and capabilities of protocol handlers). 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: make sure all _data_pending() functions return boolJohannes Schindelin
This patch makes the signature of the _data_pending() 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: make sure all _cleanup() functions return voidJohannes Schindelin
This patch makes the signature of the _cleanup() 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
2017-08-11openssl: fix "error: this statement may fall through"Daniel Stenberg
A gcc7 warning.
2017-08-11openssl: remove CONST_ASN1_BIT_STRING.David Benjamin
Just making the pointer as const works for the pre-1.1.0 path too. Closes #1759
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
2017-07-28timeval: struct curltime is a struct timeval replacementDaniel Stenberg
... to make all libcurl internals able to use the same data types for the struct members. The timeval struct differs subtly on several platforms so it makes it cumbersome to use everywhere. Ref: #1652 Closes #1693
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
2017-07-20nss: fix a possible use-after-free in SelectClientCert()Kamil Dudka
... causing a SIGSEGV in showit() in case the handle used to initiate the connection has already been freed. This commit fixes a bug introduced in curl-7_19_5-204-g5f0cae803. Reported-by: Rob Sanders Bug: https://bugzilla.redhat.com/1436158
2017-07-20nss: unify the coding style of nss_send() and nss_recv()Kamil Dudka
No changes in behavior intended by this commit.
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
2017-07-03gtls: fix build when sizeof(long) < sizeof(void *)Johannes Schindelin
- Change gnutls pointer/int macros to pointer/curl_socket_t. Prior to this change they used long type as well. The size of the `long` data type can be shorter than that of pointer types. This is the case most notably on Windows. If C99 were acceptable, we could simply use `intptr_t` here. But we want to retain C89 compatibility. Simply use the trick of performing pointer arithmetic with the NULL pointer: to convert an integer `i` to a pointer, simply take the address of the `i`th element of a hypothetical character array starting at address NULL. To convert back, simply cast the pointer difference. Thanks to Jay Satiro for the initial modification to use curl_socket_t instead of int/long. Closes #1617 Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-06-30openssl: improve fallback seed of PRNG with a time based hashdmitrykos
Fixes #1620
2017-06-16HTTPS-Proxy: don't offer h2 for https proxy connectionsJay Satiro
Bug: https://github.com/curl/curl/issues/1254 Closes #1546
2017-06-13libressl: OCSP and intermediate certs workaround no longer neededStuart Henderson
lib/vtls/openssl.c has a workaround for a bug with OCSP responses signed by intermediate certs, this was fixed in LibreSSL in https://github.com/libressl-portable/openbsd/commit/912c64f68f7ac4f225b7d1fdc8fbd43168912ba0 Bug: https://curl.haxx.se/mail/lib-2017-06/0038.html
2017-06-03cyassl: define build macros before including ssl.hMarcel Raad
cyassl/ssl.h needs the macros from cyassl/options.h, so define them before including cyassl/ssl.h the first time, which happens in urldata.h. This broke the build on Ubuntu Xenial, which comes with WolfSSL 3.4.8 and therefore redefines the symbols from cyassl/options.h instead of including the header. Closes https://github.com/curl/curl/pull/1536
2017-06-02mbedtls: make TU-local variable staticMarcel Raad
mbedtls_x509_crt_profile_fr is only used locally. This fixes a missing-variable-declarations warning with clang.
2017-05-29mbedtls: fix variable shadow warningJay Satiro
vtls/mbedtls.c:804:69: warning: declaration of 'entropy' shadows a global declaration [-Wshadow] CURLcode Curl_mbedtls_random(struct Curl_easy *data, unsigned char *entropy, ^~~~~~~
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
2017-05-12mbedtls: Support server renegotiation requestRon Eldor
Tested with servers: IIS 7.5; OpenSSL 1.0.2. Closes https://github.com/curl/curl/pull/1475
2017-05-04schannel: return a more specific error code for SEC_E_UNTRUSTED_ROOTDan Fandrich
2017-05-02gtls: fixed a lingering BUFSIZE referenceDan Fandrich
2017-05-01openssl: use local stack for temp storageDaniel Stenberg
2017-04-25nss: load libnssckbi.so if no other trust is specifiedKamil Dudka
The module contains a more comprehensive set of trust information than supported by nss-pem, because libnssckbi.so also includes information about distrusted certificates. Reviewed-by: Kai Engert Closes #1414
2017-04-25nss: factorize out nss_{un,}load_module to separate fncsKamil Dudka
No change of behavior is intended by this commit.
2017-04-25nss: do not leak PKCS #11 slot while loading a keyKamil Dudka
It could prevent nss-pem from being unloaded later on. Bug: https://bugzilla.redhat.com/1444860
2017-04-24nss: adapt to the new Curl_llist APIKamil Dudka
This commit fixes compilation failure caused by cbae73e1dd95946597ea74ccb580c30f78e3fa73.
2017-04-22schannel: Don't treat encrypted partial record as pending dataJay Satiro
- Track when the cached encrypted data contains only a partial record that can't be decrypted without more data (SEC_E_INCOMPLETE_MESSAGE). - Change Curl_schannel_data_pending to return false in such a case. Other SSL libraries have pending data functions that behave similarly. Ref: https://github.com/curl/curl/pull/1387 Closes https://github.com/curl/curl/pull/1392
2017-04-22gnutls: removed some code when --disable-verbose is configuredDan Fandrich
This reduces the binary size and fixes a compile warning.
2017-04-20openssl: fix memory leak in servercertDaniel Stenberg
... when failing to get the server certificate.
2017-04-18nss: fix MinGW compiler warningsMarcel Raad
This fixes 3 warnings issued by MinGW: 1. PR_ImportTCPSocket actually has a paramter of type PROsfd instead of PRInt32, which is 64 bits on Windows. Fixed this by including the corresponding header file instead of redeclaring the function, which is supported even though it is in the private include folder. [1] 2. In 64-bit mode, size_t is 64 bits while CK_ULONG is 32 bits, so an explicit narrowing cast is needed. 3. Curl_timeleft returns time_t instead of long since commit 21aa32d30dbf319f2d336e0cb68d3a3235869fbb. [1] https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSPR/Reference/PR_ImportTCPSocket Closes https://github.com/curl/curl/pull/1393
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
2017-04-17openssl: don't try to print nonexistant peer private keysDavid Benjamin
X.509 certificates carry public keys, not private keys. Fields corresponding to the private half of the key will always be NULL. Closes #1425
2017-04-17openssl: fix thread-safety bugs in error-handlingDavid Benjamin
ERR_error_string with NULL parameter is not thread-safe. The library writes the string into some static buffer. Two threads doing this at once may clobber each other and run into problems. Switch to ERR_error_string_n which avoids this problem and is explicitly bounds-checked. Also clean up some remnants of OpenSSL 0.9.5 around here. A number of comments (fixed buffer size, explaining that ERR_error_string_n was added in a particular version) date to when ossl_strerror tried to support pre-ERR_error_string_n OpenSSLs. Closes #1424
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