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2017-08-28vtls: fold the backend ID into the Curl_ssl structureJohannes Schindelin
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-08-28curl_ntlm_core: don't complain but #include OpenSSL header if neededJohannes 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>
2017-08-28urldata.h: move SSPI-specific #include to correct locationJohannes Schindelin
In 86b889485 (sasl_gssapi: Added GSS-API based Kerberos V5 variables, 2014-12-03), an SSPI-specific field was added to the kerberos5data struct without moving the #include "curl_sspi.h" later in the same file. This broke the build when SSPI was enabled, unless Secure Channel was used as SSL backend, because it just so happens that Secure Channel also requires "curl_sspi.h" to be #included. In f4739f639 (urldata: include curl_sspi.h when Windows SSPI is enabled, 2017-02-21), this bug was fixed incorrectly: Instead of moving the appropriate conditional #include, the Secure Channel-conditional part was now also SSPI-conditional. Fix this problem by moving the correct #include instead. This is also required for an upcoming patch that moves all the Secure Channel-specific stuff out of urldata.h and encapsulates it properly in vtls/schannel.c instead. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-08-28urldata.h: remove support for obsolete PolarSSL versionJohannes Schindelin
Since 5017d5ada (polarssl: now require 1.3.0+, 2014-03-17), we require a newer PolarSSL version. No need to keep code trying to support any older version. 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: move SSL backends' private constants out of their header filesJohannes Schindelin
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2017-08-28axtls: use Curl_none_* versions of init() and cleanup()Johannes Schindelin
There are convenient no-op versions of the init/cleanup functions now, no need to define private ones for axTLS. 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>
2017-08-28schannel: 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>
2017-08-27strtooff: fix build for systems with long long but no strtoll optionDaniel Stenberg
Closes #1829 Reported-by: Dan Fandrich Bug: https://github.com/curl/curl/pull/1758#issuecomment-324861615
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
2017-08-24imap: use defined names for response codesDaniel Stenberg
When working on this code I found the previous setup a bit weird while using proper defines increases readability. Closes #1824
2017-08-23imap: support PREAUTHDaniel Stenberg
It is a defined possible greeting at server startup that means the connection is already authenticated. See https://tools.ietf.org/html/rfc3501#section-7.1.4 Test 846 added to verify. Fixes #1818 Closes #1820
2017-08-23config-tpf: define SIZEOF_LONGJay Satiro
Recent changes that replaced CURL_SIZEOF_LONG in the source with SIZEOF_LONG broke builds that use the premade configuration files and don't have SIZEOF_LONG defined. Bug: https://github.com/curl/curl/issues/1816
2017-08-22config-dos: add missing defines, SIZEOF_* and two othersGisle Vanem
Bug: #1816
2017-08-22makefile.m32: add support for libidn2Viktor Szakats
libidn was replaced with libidn2 last year in configure. Caveat: libidn2 may depend on a list of further libs. These can be manually specified via CURL_LDFLAG_EXTRAS. Closes https://github.com/curl/curl/pull/1815
2017-08-22config-win32: define SIZEOF_LONGViktor Szakats
Recent changes that replaced CURL_SIZEOF_LONG in the source with SIZEOF_LONG broke builds that use the premade configuration files and don't have SIZEOF_LONG defined. Closes https://github.com/curl/curl/pull/1814
2017-08-19tftp: fix memory leak on too long filenameEven Rouault
Fixes $ valgrind --leak-check=full ~/install-curl-git/bin/curl tftp://localhost/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaz ==9752== Memcheck, a memory error detector ==9752== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al. ==9752== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info ==9752== Command: /home/even/install-curl-git/bin/curl tftp://localhost/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaz ==9752== curl: (71) TFTP file name too long ==9752== ==9752== HEAP SUMMARY: ==9752== 505 bytes in 1 blocks are definitely lost in loss record 11 of 11 ==9752== at 0x4C2DB8F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==9752== by 0x4E61CED: Curl_urldecode (in /home/even/install-curl-git/lib/libcurl.so.4.4.0) ==9752== by 0x4E75868: tftp_state_machine (in /home/even/install-curl-git/lib/libcurl.so.4.4.0) ==9752== by 0x4E761B6: tftp_do (in /home/even/install-curl-git/lib/libcurl.so.4.4.0) ==9752== by 0x4E711B6: multi_runsingle (in /home/even/install-curl-git/lib/libcurl.so.4.4.0) ==9752== by 0x4E71D00: curl_multi_perform (in /home/even/install-curl-git/lib/libcurl.so.4.4.0) ==9752== by 0x4E6950D: curl_easy_perform (in /home/even/install-curl-git/lib/libcurl.so.4.4.0) ==9752== by 0x40E0B7: operate_do (in /home/even/install-curl-git/bin/curl) ==9752== by 0x40E849: operate (in /home/even/install-curl-git/bin/curl) ==9752== by 0x402693: main (in /home/even/install-curl-git/bin/curl) Fixes https://oss-fuzz.com/v2/testcase-detail/5232311106797568 Credit to OSS Fuzz Closes #1808
2017-08-18http2_recv: return error better on fatal h2 errorsDaniel Stenberg
Ref #1012 Figured-out-by: Tatsuhiro Tsujikawa
2017-08-18http: Don't wait on CONNECT when there is no proxyJan Alexander Steffens (heftig)
Since curl 7.55.0, NetworkManager almost always failed its connectivity check by timeout. I bisected this to 5113ad04 (http-proxy: do the HTTP CONNECT process entirely non-blocking). This patch replaces !Curl_connect_complete with Curl_connect_ongoing, which returns false if the CONNECT state was left uninitialized and lets the connection continue. Closes #1803 Fixes #1804 Also-fixed-by: Gergely Nagy
2017-08-17CURL_SIZEOF_LONG: removed, use only SIZEOF_LONGDaniel Stenberg
2017-08-17config-win32: define SIZEOF_CURL_OFF_TDaniel Stenberg
2017-08-17cmake: sizeof curl_off_t, remove unused detectionsDaniel Stenberg
2017-08-17system.h: remove all CURL_SIZEOF_* definesDaniel Stenberg
... as they're not used externally and internally we check for the sizes already in configure etc. Closes #1767
2017-08-17ftp: fix CWD when doing multicwd then nocwd on same connectionDaniel Stenberg
Fixes #1782 Closes #1787 Reported-by: Peter Lamare
2017-08-17ssh: add the ability to enable compression (for SCP/SFTP)Viktor Szakats
The required low-level logic was already available as part of `libssh2` (via `LIBSSH2_FLAG_COMPRESS` `libssh2_session_flag()`[1] option.) This patch adds the new `libcurl` option `CURLOPT_SSH_COMPRESSION` (boolean) and the new `curl` command-line option `--compressed-ssh` to request this `libssh2` feature. To have compression enabled, it is required that the SSH server supports a (zlib) compatible compression method and that `libssh2` was built with `zlib` support enabled. [1] https://www.libssh2.org/libssh2_session_flag.html Ref: https://github.com/curl/curl/issues/1732 Closes https://github.com/curl/curl/pull/1735
2017-08-16http_proxy: fix build error for CURL_DOES_CONVERSIONSMaksim Stsepanenka
Closes https://github.com/curl/curl/pull/1793
2017-08-16configure: check for __builtin_available() availability (#1788)Nick Zitzmann
This change does two things: 1. It un-breaks the build in Xcode 9.0. (Xcode 9.0 is currently failing trying to compile connectx() in lib/connect.c.) 2. It finally weak-links the connectx() function, and falls back on connect() when run on older operating systems.
2017-08-16darwinssi: fix error: variable length array usedDaniel Stenberg
2017-08-15cmake: remove dead code for DISABLED_THREADSAFEBenbuck Nason
Closes #1786
2017-08-15progress: Track total times following redirectsRyan Winograd
Update the progress timers `t_nslookup`, `t_connect`, `t_appconnect`, `t_pretransfer`, and `t_starttransfer` to track the total times for these activities when a redirect is followed. Previously, only the times for the most recent request would be tracked. Related changes: - Rename `Curl_pgrsResetTimesSizes` to `Curl_pgrsResetTransferSizes` now that the function only resets transfer sizes and no longer modifies any of the progress timers. - Add a bool to the `Progress` struct that is used to prevent double-counting `t_starttransfer` times. Added test case 1399. Fixes #522 and Known Bug 1.8 Closes #1602 Reported-by: joshhe on github
2017-08-15cmake: remove dead code for CURL_DISABLE_RTMPBenbuck Nason
Closes #1785
2017-08-14strtoofft: reduce integer overflow risks globallyDaniel Stenberg
... make sure we bail out on overflows. Reported-by: Brian Carpenter Closes #1758
2017-08-13ipv6_scope: support unique local addressesDaniel Stenberg
Fixes #1764 Closes #1773 Reported-by: James Slaughter
2017-08-13redirect: skip URL encoding for host namesSalah-Eddin Shaban
This fixes redirects to IDN URLs Fixes #1441 Closes #1762 Reported by: David Lord
2017-08-12bagder/Curl_tvdiff_us: fix the mathDaniel Stenberg
Regression since adef394ac5 (released in 7.55.0) Reported-by: Han Qiao Fixes #1769 Closes #1771
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