CHANGES

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 Changelog

Version 7.61.0 (11 Jul 2018)

Daniel Stenberg (11 Jul 2018)
- release: 7.61.0

- TODO: Configurable loading of OpenSSL configuration file
 
 Closes #2724

- post303.d: clarify that this is an RFC violation
 
 ... and not the other way around, which this previously said.
 
 Reported-by: Vasiliy Faronov
 Fixes #2723
 Closes #2726

- [Ruslan Baratov brought this change]

 CMake: remove redundant and old end-of-block syntax
 
 Reviewed-by: Jakub Zakrzewski
 Closes #2715

Jay Satiro (9 Jul 2018)
- lib/curl_setup.h: remove unicode character
 
 Follow-up to 82ce416.
 
 Ref: https://github.com/curl/curl/commit/8272ec5#commitcomment-29646818

Daniel Stenberg (9 Jul 2018)
- lib/curl_setup.h: remove unicode bom from 8272ec50f02

Marcel Raad (9 Jul 2018)
- schannel: fix -Wsign-compare warning
 
 MinGW warns:
 /lib/vtls/schannel.c:219:64: warning: signed and unsigned type in
 conditional expression [-Wsign-compare]
 
 Fix this by casting the ptrdiff_t to size_t as we know it's positive.
 
 Closes https://github.com/curl/curl/pull/2721

- schannel: workaround for wrong function signature in w32api
 
 Original MinGW's w32api has CryptHashData's second parameter as BYTE *
 instead of const BYTE *.
 
 Closes https://github.com/curl/curl/pull/2721

- schannel: make more cipher options conditional
 
 They are not defined in the original MinGW's <wincrypt.h>.
 
 Closes https://github.com/curl/curl/pull/2721

- curl_setup: include <winerror.h> before <windows.h>
 
 Otherwise, only part of it gets pulled in through <windows.h> on
 original MinGW.
 
 Fixes https://github.com/curl/curl/issues/2361
 Closes https://github.com/curl/curl/pull/2721

- examples: fix -Wformat warnings
 
 When size_t is not a typedef for unsigned long (as usually the case on
 Windows), GCC emits -Wformat warnings when using lu and lx format
 specifiers with size_t. Silence them with explicit casts to
 unsigned long.
 
 Closes https://github.com/curl/curl/pull/2721

Daniel Stenberg (9 Jul 2018)
- smtp: use the upload buffer size for scratch buffer malloc
 
 ... not the read buffer size, as that can be set smaller and thus cause
 a buffer overflow! CVE-2018-0500
 
 Reported-by: Peter Wu
 Bug: https://curl.haxx.se/docs/adv_2018-70a2.html

- [Dave Reisner brought this change]

 scripts: include _curl as part of CLEANFILES
 
 Closes #2718

- [Nick Zitzmann brought this change]

 darwinssl: allow High Sierra users to build the code using GCC
 
 ...but GCC users lose out on TLS 1.3 support, since we can't weak-link
 enumeration constants.
 
 Fixes #2656
 Closes #2703

- [Ruslan Baratov brought this change]

 CMake: Remove unused 'output_var' from 'collect_true'
 
 Variable 'output_var' is not used and can be removed.
 Function 'collect_true' renamed to 'count_true'.

- [Ruslan Baratov brought this change]

 CMake: Remove unused functions
 
 Closes #2711

- KNOWN_BUGS: Stick to same family over SOCKS proxy

- libssh: goto DISCONNECT state on error, not SSH_SESSION_FREE
 
 ... because otherwise not everything get closed down correctly.
 
 Fixes #2708
 Closes #2712

- libssh: include line number in state change debug messages
 
 Closes #2713

- KNOWN_BUGS: Borland support is dropped, AIX problem is too old

- [Jeroen Ooms brought this change]

 example/crawler.c: simple crawler based on libxml2
 
 Closes #2706

- RELEASE-NOTES: synced

- DEPRECATE: include year when specifying date

- DEPRECATE: linkified

- DEPRECATE: mention the PR that disabled axTLS

- docs/DEPRECATE.md: spelling and minor formatting

- DEPRECATE: new doc describing planned item removals
 
 Closes #2704

- [Gisle Vanem brought this change]

 telnet: fix clang warnings
 
 telnet.c(1401,28): warning: cast from function call of type 'int' to
 non-matching type 'HANDLE' (aka 'void *') [-Wbad-function-cast]
 
 Fixes #2696
 Closes #2700

- docs: fix missed option name markups

- [Gaurav Malhotra brought this change]

 openssl: Remove some dead code
 
 Closes #2698

- openssl: make the requested TLS version the *minimum* wanted
 
 The code treated the set version as the *exact* version to require in
 the TLS handshake, which is not what other TLS backends do and probably
 not what most people expect either.
 
 Reported-by: Andreas Olsson
 Assisted-by: Gaurav Malhotra
 Fixes #2691
 Closes #2694

- RELEASE-NOTES: synced

- openssl: allow TLS 1.3 by default
 
 Reported-by: Andreas Olsson
 Fixes #2692
 Closes #2693

- [Adrian Peniak brought this change]

 CURLINFO_TLS_SSL_PTR.3: improve the example
 
 The previous example was a little bit confusing, because SSL* structure
 (or other "in use" SSL connection pointer) is not accessible after the
 transfer is completed, therefore working with the raw TLS library
 specific pointer needs to be done during transfer.
 
 Closes #2690

- travis: add a build using the synchronous name resolver
 
 ... since default uses the threaded one and we test the c-ares build
 already.
 
 Closes #2689

- configure: remove CURL_CHECK_NI_WITHSCOPEID too
 
 Since it isn't used either and requires the getnameinfo check
 
 Follow-up to 0aeca41702d2

- getnameinfo: not used
 
 Closes #2687

- easy_perform: use *multi_timeout() to get wait times
 
 ... and trim the threaded Curl_resolver_getsock() to return zero
 millisecond wait times during the first three milliseconds so that
 localhost or names in the OS resolver cache gets detected and used
 faster.
 
 Closes #2685

Max Dymond (27 Jun 2018)
- configure: Add dependent libraries after crypto
 
 The linker is pretty dumb and processes things left to right, keeping a
 tally of symbols it hasn't resolved yet. So, we need -ldl to appear
 after -lcrypto otherwise the linker won't find the dl functions.
 
 Closes #2684

Daniel Stenberg (27 Jun 2018)
- GOVERNANCE: linkify, changed some titles

- GOVERNANCE: add maintainer details/duties

- url: check Curl_conncache_add_conn return code
 
 ... it was previously unchecked in two places and thus errors could
 remain undetected and cause trouble.
 
 Closes #2681

- include/README: remove "hacking" advice, not the right place

- RELEASE-NOTES: synced

- CURLOPT_SSL_VERIFYPEER.3: fix syntax mistake
 
 Follow-up to b6a16afa0aa5

- netrc: use a larger buffer
 
 ... to work with longer passwords etc. Grow it from a 256 to a 4096
 bytes buffer.
 
 Reported-by: Dario Nieuwenhuis
 Fixes #2676
 Closes #2680

- [Patrick Schlangen brought this change]

 CURLOPT_SSL_VERIFYPEER.3: Add performance note
 
 Closes #2673

- [Javier Blazquez brought this change]

 multi: fix crash due to dangling entry in connect-pending list
 
 Fixes #2677
 Closes #2679

- ConnectionExists: make sure conn->data is set when "taking" a connection
 
 Follow-up to 2c15693.
 
 Bug #2674
 Closes #2675

- [Kevin R. Bulgrien brought this change]

 system.h: fix for gcc on 32 bit OpenServer
 
 Bug: https://curl.haxx.se/mail/lib-2018-06/0100.html

- [Raphael Gozzo brought this change]

 cmake: allow multiple SSL backends
 
 This will make possible to select the SSL backend (using
 curl_global_sslset()) even when the libcurl is built using CMake
 
 Closes #2665

- url: fix dangling conn->data pointer
 
 By masking sure to use the *current* easy handle with extracted
 connections from the cache, and make sure to NULLify the ->data pointer
 when the connection is put into the cache to make this mistake easier to
 detect in the future.
 
 Reported-by: Will Dietz
 Fixes #2669
 Closes #2672

- CURLOPT_INTERFACE.3: interface names not supported on Windows

- travis: run more tests for coverage check
 
 ... run a few more tortured based and run all tests event-based.
 
 Closes #2664

- multi: fix memory leak when stopped during name resolve
 
 When the application just started the transfer and then stops it while
 the name resolve in the background thread hasn't completed, we need to
 wait for the resolve to complete and then cleanup data accordingly.
 
 Enabled test 1553 again and added test 1590 to also check when the host
 name resolves successfully.
 
 Detected by OSS-fuzz.
 Closes #1968

Viktor Szakats (15 Jun 2018)
- maketgz: delete .bak files, fix indentation
 
 Ref: https://github.com/curl/curl/pull/2660
 
 Closes https://github.com/curl/curl/pull/2662

Daniel Stenberg (15 Jun 2018)
- runtests.pl: remove debug leftover from bb9a340c73f3

- curl-confopts.m4: fix typo from ed224f23d5beb
 
 Fixes my local configure to detect a custom installed c-ares without
 pkgconfig.

- docs/RELEASE-PROCEDURE.md: renamed to use .md extension
 
 Closes #2663

- RELEASE-PROCEDURE: gpg sign the tags

- RELEASE-NOTES: synced

- CURLOPT_HTTPAUTH.3: CURLAUTH_BEARER was added in 7.61.0

- [Mamta Upadhyay brought this change]

 maketgz: fix sed issues on OSX
 
 maketgz creates release tarballs and removes the -DEV string in curl
 version (e.g. 7.58.0-DEV), else -DEV shows up on command line when curl
 is run. maketgz works fine on linux but fails on OSX. Problem is with
 the sed commands that use option -i without an extension. Maketgz
 expects GNU sed instead of BSD and this simply won't work on OSX. Adding
 a backup extension .bak after -i fixes this issue
 
 Running the script as if on OSX gives this error:
 
 sed: -e: No such file or directory
 
 Adding a .bak extension resolves it
 
 Closes #2660

- configure: enhance ability to detect/build with static openssl
 
 Fix the -ldl and -ldl + -lpthread checks for OpenSSL, necessary for
 building with static libs without pkg-config.
 
 Reported-by: Marcel Raad
 Fixes #2199
 Closes #2659

- configure: use pkg-config for c-ares detection
 
 First check if there's c-ares information given as pkg-config info and use
 that as first preference.
 
 Reported-by: pszemus on github
 Fixes #2203
 Closes #2658

- GOVERNANCE.md: explains how this project is run
 
 Closes #2657

- KNOWN_BUGS: NTLM doen't support password with § character
 
 Closes #2120

- KNOWN_BUGS: slow connect to localhost on Windows
 
 Closes #2281

- [Matteo Bignotti brought this change]

 mk-ca-bundle.pl: make -u delete certdata.txt if found not changed
 
 certdata.txt should be deleted also when the process is interrupted by
 "same certificate downloaded, exiting"
 
 The certdata.txt is currently kept on disk even if you give the -u
 option
 
 Closes #2655

- progress: remove a set of unused defines
 
 Reported-by: Peter Wu
 Closes #2654

- TODO: "Option to refuse usernames in URLs" done
 
 Implemented by Björn in 946ce5b61f

- [Lyman Epp brought this change]

 Curl_init_do: handle NULL connection pointer passed in
 
 Closes #2653

- runtests: support variables in <strippart>
 
 ... and make use of that to make 1455 work better without using a fixed
 local port number.
 
 Fixes #2649
 Closes #2650

- Curl_debug: remove dead printhost code
 
 The struct field is never set (since 5e0d9aea3) so remove the use of it
 and remove the connectdata pointer from the prototype.
 
 Reported-by: Tejas
 Bug: https://curl.haxx.se/mail/lib-2018-06/0054.html
 Closes #2647

Viktor Szakats (12 Jun 2018)
- schannel: avoid incompatible pointer warning
 
 with clang-6.0:
 ```
 vtls/schannel_verify.c: In function 'add_certs_to_store':
 vtls/schannel_verify.c:212:30: warning: passing argument 11 of 'CryptQueryObject' from incompatible pointer type [-Wincompatible-pointer-types]
 &cert_context)) {
 ^
 In file included from /usr/share/mingw-w64/include/schannel.h:10:0,
 from /usr/share/mingw-w64/include/schnlsp.h:9,
 from vtls/schannel.h:29,
 from vtls/schannel_verify.c:40:
 /usr/share/mingw-w64/include/wincrypt.h:4437:26: note: expected 'const void **' but argument is of type 'CERT_CONTEXT ** {aka struct _CERT_CONTEXT **}'
 WINIMPM WINBOOL WINAPI CryptQueryObject (DWORD dwObjectType, const void *pvObject, DWORD dwExpectedContentTypeFlags, DWORD dwExpectedFormatTypeFlags, DWORD dwFlags,
 ^~~~~~~~~~~~~~~~
 ```
 Ref: https://msdn.microsoft.com/library/windows/desktop/aa380264
 
 Closes https://github.com/curl/curl/pull/2648

Daniel Stenberg (12 Jun 2018)
- [Robert Prag brought this change]

 schannel: support selecting ciphers
 
 Given the contstraints of SChannel, I'm exposing these as the algorithms
 themselves instead; while replicating the ciphersuite as specified by
 OpenSSL would have been preferable, I found no way in the SChannel API
 to do so.
 
 To use this from the commandline, you need to pass the names of contants
 defining the desired algorithms. For example, curl --ciphers
 "CALG_SHA1:CALG_RSA_SIGN:CALG_RSA_KEYX:CALG_AES_128:CALG_DH_EPHEM"
 https://github.com The specific names come from wincrypt.h
 
 Closes #2630

- [Bernhard M. Wiedemann brought this change]

 test 46: make test pass after 2025
 
 shifting the expiry date to 2037 for now
 to be before the possibly problematic year 2038
 
 similar in spirit to commit e6293cf8764e9eecb
 
 Closes #2646

- [Marian Klymov brought this change]

 cppcheck: fix warnings
 
 - Get rid of variable that was generating false positive warning
 (unitialized)
 
 - Fix issues in tests
 
 - Reduce scope of several variables all over
 
 etc
 
 Closes #2631

- openssl: assume engine support in 1.0.1 or later
 
 Previously it was checked for in configure/cmake, but that would then
 leave other build systems built without engine support.
 
 While engine support probably existed prior to 1.0.1, I decided to play
 safe. If someone experience a problem with this, we can widen the
 version check.
 
 Fixes #2641
 Closes #2644

- RELEASE-NOTES: synced

- RELEASE-PROCEDURE: update the release calendar for 2019

- [Gisle Vanem brought this change]

 boringssl + schannel: undef X509_NAME in lib/schannel.h
 
 Fixes the build problem when both boringssl and schannel are enabled.
 
 Fixes #2634
 Closes #2643

- [Vladimir Kotal brought this change]

 mk-ca-bundle.pl: leave certificate name untouched in decode()
 
 Closes #2640

- [Rikard Falkeborn brought this change]

 tests/libtests/Makefile.am: Add lib1521.c to CLEANFILES
 
 This removes the generated lib1521.c when running make clean.
 
 Closes #2633

- [Rikard Falkeborn brought this change]

 tests/libtest: Add lib1521 to nodist_SOURCES
 
 Since 467da3af0, lib1521.c is generated instead of checked in. According
 to the commit message, the intention was to remove it from the tarball
 as well. However, it is still present when running make dist. To remove
 it, add it to nodist_lib1521_SOURCES. This also means there is no need
 for the manually added dist-rule in the Makefile.
 
 Also update CMakelists.txt to handle the fact that we now may have
 nodist_SOURCES.

- [Stephan Mühlstrasser brought this change]

 system.h: add support for IBM xlc C compiler
 
 Added a section to system.h guarded with __xlc__ for the IBM xml C
 compiler. Before this change the section titled 'generic "safe guess" on
 old 32 bit style' was used, which resulted in a wrong definition of
 CURL_TYPEOF_CURL_SOCKLEN_T, and for 64-bit also CURL_TYPEOF_CURL_OFF_T
 was wrong.
 
 Compilation warnings fixed with this change:
 
 CC libcurl_la-ftp.lo
 "ftp.c", line 290.55: 1506-280 (W) Function argument assignment between types "unsigned long* restrict" and "int*" is not allowed.
 "ftp.c", line 293.48: 1506-280 (W) Function argument assignment between types "unsigned long* restrict" and "int*" is not allowed.
 "ftp.c", line 1070.49: 1506-280 (W) Function argument assignment between types "unsigned long* restrict" and "int*" is not allowed.
 "ftp.c", line 1154.53: 1506-280 (W) Function argument assignment between types "unsigned long* restrict" and "int*" is not allowed.
 "ftp.c", line 1187.51: 1506-280 (W) Function argument assignment between types "unsigned long* restrict" and "int*" is not allowed.
 CC libcurl_la-connect.lo
 "connect.c", line 448.56: 1506-280 (W) Function argument assignment between types "unsigned long* restrict" and "int*" is not allowed.
 "connect.c", line 516.66: 1506-280 (W) Function argument assignment between types "unsigned long* restrict" and "int*" is not allowed.
 "connect.c", line 687.55: 1506-280 (W) Function argument assignment between types "unsigned long* restrict" and "int*" is not allowed.
 "connect.c", line 696.55: 1506-280 (W) Function argument assignment between types "unsigned long* restrict" and "int*" is not allowed.
 CC libcurl_la-tftp.lo
 "tftp.c", line 1115.33: 1506-280 (W) Function argument assignment between types "unsigned long* restrict" and "int*" is not allowed.
 
 Closes #2637

- cmdline-opts/cert-type.d: mention "p12" as a recognized type as well

Viktor Szakats (3 Jun 2018)
- spelling fixes
 
 Detected using the `codespell` tool (version 1.13.0).
 
 Also secure and fix an URL.

Daniel Stenberg (2 Jun 2018)
- axtls: follow-up spell fix of comment

- axTLS: not considered fit for use
 
 URL: https://curl.haxx.se/mail/lib-2018-06/0000.html
 
 This is step one. It adds #error statements that require source edits to
 make curl build again if asked to use axTLS. At a later stage we might
 remove the axTLS specific code completely.
 
 Closes #2628

- build: remove the Borland specific makefiles
 
 According to the user survey 2018, not even one out of 670 users use
 them. Nobody on the mailing list spoke up for them either.
 
 Closes #2629

- curl_addrinfo: use same #ifdef conditions in source as header
 
 ... for curl_dofreeaddrinfo

- multi: remove a DEBUGF()
 
 ... it might call infof() with a NULL first argument that isn't harmful
 but makes it not do anything. The infof() line is not very useful
 anymore, it has served it purpose. Good riddance!
 
 Fixes #2627

- [Alibek.Jorajev brought this change]

 CURLOPT_RESOLVE: always purge old entry first
 
 If there's an existing entry using the selected name.
 
 Closes #2622

- fnmatch: use the system one if available
 
 If configure detects fnmatch to be available, use that instead of our
 custom one for FTP wildcard pattern matching. For standard compliance,
 to reduce our footprint and to use already well tested and well
 exercised code.
 
 A POSIX fnmatch behaves slightly different than the internal function
 for a few test patterns currently and the macOS one yet slightly
 different. Test case 1307 is adjusted for these differences.
 
 Closes #2626

Patrick Monnerat (31 May 2018)
- os400: add new option in ILE/RPG binding
 
 Follow-up to commit 946ce5b

Daniel Stenberg (31 May 2018)
- tests/libtest/.gitignore: follow-up fix to ignore lib5* too

- KNOWN_BUGS: CURL_GLOBAL_SSL
 
 Closes #2276

- [Bernhard Walle brought this change]

 configure: check for declaration of getpwuid_r
 
 On our x86 Android toolchain, getpwuid_r is implemented but the header
 is missing:
 
 netrc.c:81:7: error: implicit declaration of function 'getpwuid_r' [-Werror=implicit-function-declaration]
 
 Unfortunately, the function is used in curl_ntlm_wb.c, too, so I moved
 the prototype to curl_setup.h.
 
 Signed-off-by: Bernhard Walle <bernhard@bwalle.de>
 Closes #2609

- [Rikard Falkeborn brought this change]

 tests: update .gitignore for libtests
 
 Closes #2624

- [Rikard Falkeborn brought this change]

 strictness: correct {infof, failf} format specifiers
 
 Closes #2623

- [Björn Stenberg brought this change]

 option: disallow username in URL
 
 Adds CURLOPT_DISALLOW_USERNAME_IN_URL and --disallow-username-in-url. Makes
 libcurl reject URLs with a username in them.
 
 Closes #2340

- libcurl-security.3: improved layout for two rememdy lists

- libcurl-security.3: refer to URL instead of in-source markdown file

Viktor Szakats (30 May 2018)
- curl.rc: embed manifest for correct Windows version detection
 
 * enable it in `src/Makefile.m32`
 * enable it in `winbuild/MakefileBuild.vc` if a custom manifest is
 _not_ enabled via the existing `EMBED_MANIFEST` option
 * enable it for all Windows CMake builds (also disable the built-in
 minimal manifest, added by CMake by default.)
 
 For other build systems, add the `-DCURL_EMBED_MANIFEST` option to
 the list of RC (Resource Compiler) flags to enable the manifest
 included in `src/curl.rc`. This may require to disable whatever
 automatic or other means in which way another manifest is added to
 `curl.exe`.
 
 Notice that Borland C doesn't support this method due to a
 long-pending resource compiler bug. Watcom C may also not handle
 it correctly when the `-zm` `wrc` option is used (this option may
 be unnecessary though) and regardless of options in certain earlier
 revisions of the 2.0 beta version.
 
 Closes https://github.com/curl/curl/pull/1221
 Fixes https://github.com/curl/curl/issues/2591

Patrick Monnerat (30 May 2018)
- os400: sync EBCDIC wrappers and ILE/RPG binding with latest options

- os400: implement mime api EBCDIC wrappers
 
 Also sync ILE/RPG binding to define the new functions.

Daniel Stenberg (29 May 2018)
- setopt: add TLS 1.3 ciphersuites
 
 Adds CURLOPT_TLS13_CIPHERS and CURLOPT_PROXY_TLS13_CIPHERS.
 
 curl: added --tls13-ciphers and --proxy-tls13-ciphers
 
 Fixes #2435
 Reported-by: zzq1015 on github
 Closes #2607

- configure: override AR_FLAGS to silence warning
 
 The automake default ar flags are 'cru', but the 'u' flag in there
 causes warnings on many modern Linux distros. Removing 'u' may have a
 minor performance impact on older distros but should not cause harm.
 
 Explained on the automake mailing list already back in April 2015:
 
 https://www.mail-archive.com/automake-patches@gnu.org/msg07705.html
 
 Reported-by: elephoenix on github
 Fixes #2617
 Closes #2619

Sergei Nikulov (29 May 2018)
- cmake: fixed comments in compile checks code

Daniel Stenberg (29 May 2018)
- INSTALL: LDFLAGS=-Wl,-R/usr/local/ssl/lib
 
 ... the older description doesn't work
 
 Reported-by: Peter Varga
 Fixes #2615
 Closes #2616

- [Will Dietz brought this change]

 KNOWN_BUGS: restore text regarding #2101.
 
 This was added earlier but appears to have been removed accidentally.
 
 AFAICT this is very much still an issue.
 
 -----
 
 I say "accidentally" because the text seems to have harmlessly snuck
 into [1] (which makes no mention of it). [1] was later reverted for
 unspecified reasons in [2], presumably because the mentioned issue was
 fixed or invalid.
 
 [1] de9fac00c40db321d44fa6fbab6eb62ec4c83998
 [2] 16d1f369403cbb04bd7b085eabbeebf159473fc2
 
 Closes #2618

- fnmatch: insist on escaped bracket to match
 
 A non-escaped bracket ([) is for a character group - as documented. It
 will *not* match an individual bracket anymore. Test case 1307 updated
 accordingly to match.
 
 Problem detected by OSS-Fuzz, although this fix is probably not a final
 fix for the notorious timeout issues.
 
 Bug: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8525
 Closes #2614

Patrick Monnerat (28 May 2018)
- psl: use latest psl and refresh it periodically
 
 The latest psl is cached in the multi or share handle. It is refreshed
 before use after 72 hours.
 New share lock CURL_LOCK_DATA_PSL controls the psl cache sharing.
 If the latest psl is not available, the builtin psl is used.
 
 Reported-by: Yaakov Selkowitz
 Fixes #2553
 Closes #2601

Daniel Stenberg (28 May 2018)
- [Fabrice Fontaine brought this change]

 configure: fix ssh2 linking when built with a static mbedtls
 
 The ssh2 pkg-config file could contain the following lines when build
 with a static version of mbedtls:
 Libs: -L${libdir} -lssh2 /xxx/libmbedcrypto.a
 Libs.private: /xxx/libmbedcrypto.a
 
 This static mbedtls library must be used to correctly detect ssh2
 support and this library must be copied in libcurl.pc otherwise
 compilation of any application (such as upmpdcli) with libcurl will fail
 when trying to found mbedtls functions included in libssh2. So, replace
 pkg-config --libs-only-l by pkg-config --libs.
 
 Fixes:
 - http://autobuild.buildroot.net/results/43e24b22a77f616d6198c10435dcc23cc3b9088a
 
 Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
 Closes #2613

- RELEASE-NOTES: synced

- [Bernhard Walle brought this change]

 cmake: check for getpwuid_r
 
 The autotools-based build system does it, so we do it also in CMake.
 
 Bug: #2609
 Signed-off-by: Bernhard Walle <bernhard@bwalle.de>

- cmdline-opts/gen.pl: warn if mutexes: or see-also: list non-existing options

- [Frank Gevaerts brought this change]

 curl.1: Fix cmdline-opts reference errors.
 
 --data, --form, and --ntlm were declared to be mutually exclusive with
 non-existing options. --data and --form referred to --upload (which is
 short for --upload-file and therefore did work, so this one was merely
 a bit confusing), --ntlm referred to --negotiated instead of --negotiate.
 
 Closes #2612

- [Frank Gevaerts brought this change]

 docs: fix cmdline-opts metadata headers case consistency.
 
 Almost all headers start with an uppercase letter, but some didn't.

- mailmap: Max Savenkov

Sergei Nikulov (28 May 2018)
- [Max Savenkov brought this change]

 Fix the test for fsetxattr and strerror_r tests in CMake to work without compiling

Daniel Stenberg (27 May 2018)
- mailmap: a Richard Alcock fixup

- [Richard Alcock brought this change]

 schannel: add failf calls for client certificate failures
 
 Closes #2604

- [Richard Alcock brought this change]

 winbuild: In MakefileBuild.vc fix typo DISTDIR->DIRDIST
 
 Change requirement from $(DISTDIR) to $(DIRDIST)
 
 closes #2603

- [Richard Alcock brought this change]

 winbuild: only delete OUTFILE if it exists
 
 This removes the slightly annoying "Could not file LIBCURL_OBJS.inc" and
 "Could not find CURL_OBJS.inc.inc" message when building into a clean
 folder.
 
 closes #2602

- [Alejandro R. Sedeño brought this change]

 content_encoding: handle zlib versions too old for Z_BLOCK
 
 Fallback on Z_SYNC_FLUSH when Z_BLOCK is not available.
 
 Fixes #2606
 Closes #2608

- multi: provide a socket to wait for in Curl_protocol_getsock
 
 ... even when there's no protocol specific handler setup.
 
 Bug: https://curl.haxx.se/mail/lib-2018-05/0062.html
 Reported-by: Sean Miller
 Closes #2600

- [Linus Lewandowski brought this change]

 httpauth: add support for Bearer tokens
 
 Closes #2102

- TODO: CURLINFO_PAUSE_STATE
 
 Closes #2588

Sergei Nikulov (24 May 2018)
- cmake: set -d postfix for debug builds if not specified
 using -DCMAKE_DEBUG_POSTFIX explicitly
 
 fixes #2121, obsoletes #2384

Daniel Stenberg (23 May 2018)
- configure: add basic test of --with-ssl prefix
 
 When given a prefix, the $PREFIX_OPENSSL/lib/openssl.pc or
 $PREFIX_OPENSSL/include/openssl/ssl.h files must be present or cause an
 error. Helps users detect when giving configure the wrong path.
 
 Reported-by: Oleg Pudeyev
 Assisted-by: Per Malmberg
 Fixes #2580

Patrick Monnerat (22 May 2018)
- http resume: skip body if http code 416 (range error) is ignored.
 
 This avoids appending error data to already existing good data.
 
 Test 92 is updated to match this change.
 New test 1156 checks all combinations of --range/--resume, --fail,
 Content-Range header and http status code 200/416.
 
 Fixes #1163
 Reported-By: Ithubg on github
 Closes #2578

Daniel Stenberg (22 May 2018)
- tftp: make sure error is zero terminated before printfing it

- configure: add missing m4/ax_compile_check_sizeof.m4
 
 follow-up to mistake in 6876ccf90b4

Jay Satiro (22 May 2018)
- [Johannes Schindelin brought this change]

 schannel: make CAinfo parsing resilient to CR/LF
 
 OpenSSL has supported --cacert for ages, always accepting LF-only line
 endings ("Unix line endings") as well as CR/LF line endings ("Windows
 line endings").
 
 When we introduced support for --cacert also with Secure Channel (or in
 cURL speak: "WinSSL"), we did not take care to support CR/LF line
 endings, too, even if we are much more likely to receive input in that
 form when using Windows.
 
 Let's fix that.
 
 Happily, CryptQueryObject(), the function we use to parse the ca-bundle,
 accepts CR/LF input already, and the trailing LF before the END
 CERTIFICATE marker catches naturally any CR/LF line ending, too. So all
 we need to care about is the BEGIN CERTIFICATE marker. We do not
 actually need to verify here that the line ending is CR/LF. Just
 checking for a CR or an LF is really plenty enough.
 
 Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
 
 Closes https://github.com/curl/curl/pull/2592

Daniel Stenberg (22 May 2018)
- CURLOPT_ACCEPT_ENCODING.3: add brotli and clarify a bit

- RELEASE-NOTES: synced

- KNOWN_BUGS: mention the -O with %-encoded file names
 
 Closes #2573

- checksrc: make sure sizeof() is used *with* parentheses
 
 ... and unify the source code to adhere.
 
 Closes #2563

- curl: added --styled-output
 
 It is enabled by default, so --no-styled-output will switch off the
 detection/use of bold headers.
 
 Closes #2538

- curl: show headers in bold
 
 The feature is only enabled if the output is believed to be a tty.
 
 -J: There's some minor differences and improvements in -J handling, as
 now J should work with -i and it actually creates a file first using the
 initial name and then *renames* that to the one found in
 Content-Disposition (if any).
 
 -i: only shows headers for HTTP transfers now (as documented).
 Previously it would also show for pieces of the transfer that were HTTP
 (for example when doing FTP over a HTTP proxy).
 
 -i: now shows trailers as well. Previously they were not shown at all.
 
 --libcurl: the CURLOPT_HEADER is no longer set, as the header output is
 now done in the header callback.

- configure: compile-time SIZEOF checks
 
 ... instead of exeucting code to get the size. Removes the use of
 LD_LIBRARY_PATH for this.
 
 Fixes #2586
 Closes #2589
 Reported-by: Bernhard Walle

- configure: replace AC_TRY_RUN with CURL_RUN_IFELSE
 
 ... and export LD_LIBRARY_PATH properly. This is a follow-up from
 2d4c215.
 
 Fixes #2586
 Reported-by: Bernhard Walle

- docs: clarify CURLOPT_HTTPGET somewhat
 
 Reported-by: bsammon on github
 Fixes #2590

- curl_fnmatch: only allow two asterisks for matching
 
 The previous limit of 5 can still end up in situation that takes a very
 long time and consumes a lot of CPU.
 
 If there is still a rare use case for this, a user can provide their own
 fnmatch callback for a version that allows a larger set of wildcards.
 
 This commit was triggered by yet another OSS-Fuzz timeout due to this.
 Bug: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8369
 
 Closes #2587

- checksrc: fix too long line
 
 follow-up to e05ad5d

- [Aleks brought this change]

 docs: mention HAproxy protocol "version 1"
 
 ...as there's also a version 2.
 
 Closes #2579

- examples/progressfunc: make it build on older libcurls
 
 This example was changed in ce2140a8c1 to use the new microsecond based
 getinfo option. This change makes it conditionally keep using the older
 option so that the example still builds with older libcurl versions.
 
 Closes #2584

- stub_gssapi: fix numerous 'unused parameter' warnings
 
 follow-up to d9e92fd9fd1d

- [Philip Prindeville brought this change]

 getinfo: add microsecond precise timers for various intervals
 
 Provide a set of new timers that return the time intervals using integer
 number of microseconds instead of floats.
 
 The new info names are as following:
 
 CURLINFO_APPCONNECT_TIME_T
 CURLINFO_CONNECT_TIME_T
 CURLINFO_NAMELOOKUP_TIME_T
 CURLINFO_PRETRANSFER_TIME_T
 CURLINFO_REDIRECT_TIME_T
 CURLINFO_STARTTRANSFER_TIME_T
 CURLINFO_TOTAL_TIME_T
 
 Closes #2495

- openssl: acknowledge --tls-max for default version too
 
 ... previously it only used the max setting if a TLS version was also
 explicitly asked for.
 
 Reported-by: byte_bucket
 Fixes #2571
 Closes #2572

- bump: start working on the pending 7.61.0

- [Dagobert Michelsen brought this change]

 tests/libtest/Makefile: Do not unconditionally add gcc-specific flags
 
 The warning flag leads e.g. Sun Studio compiler to bail out.
 
 Closes #2576

- schannel_verify: fix build for non-schannel

Jay Satiro (16 May 2018)
- rand: fix typo

- schannel: disable manual verify if APIs not available
 
 .. because original MinGW and old compilers do not have the Windows API
 definitions needed to support manual verification.

- [Archangel_SDY brought this change]

 schannel: disable client cert option if APIs not available
 
 Original MinGW targets Windows 2000 by default, which lacks some APIs and
 definitions for this feature. Disable it if these APIs are not available.
 
 Closes https://github.com/curl/curl/pull/2522

Version 7.60.0 (15 May 2018)

Daniel Stenberg (15 May 2018)
- RELEASE-NOTES: 7.60.0 release

- THANKS: added people from the curl 7.60.0 release

- docs/libcurl/index.html: removed
 
 The HTML files are long gone from the dist, now remove the last HTML
 file pointing to those missing files.
 
 d

- [steini2000 brought this change]

 http2: remove unused variable
 
 Closes #2570

- [steini2000 brought this change]

 http2: use easy handle of stream for logging

- gcc: disable picky gcc-8 function pointer warnings in two places
 
 Reported-by: Rikard Falkeborn
 Bug: #2560
 Closes #2569

- http2: use the correct function pointer typedef
 
 Fixes gcc-8 picky compiler warnings
 Reported-by: Rikard Falkeborn
 Bug: #2560
 Closes #2568

- CODE_STYLE: mention return w/o parens, but sizeof with
 
 ... and remove the github markdown syntax so that it renders better on
 the web site. Also, don't use back-ticks inlined to allow the CSS to
 highlight source code better.

- [Rikard Falkeborn brought this change]

 examples: Fix format specifiers
 
 Closes #2561

- [Rikard Falkeborn brought this change]

 tool: Fix format specifiers

- [Rikard Falkeborn brought this change]

 ntlm: Fix format specifiers

- [Rikard Falkeborn brought this change]

 tests: Fix format specifiers

- [Rikard Falkeborn brought this change]

 lib: Fix format specifiers

- contributors.sh: use "on github", not at

- http2: getsock fix for uploads
 
 When there's an upload in progress, make sure to wait for the socket to
 become writable.
 
 Detected-by: steini2000 on github
 Bug: #2520
 Closes #2567

- pingpong: fix response cache memcpy overflow
 
 Response data for a handle with a large buffer might be cached and then
 used with the "closure" handle when it has a smaller buffer and then the
 larger cache will be copied and overflow the new smaller heap based
 buffer.
 
 Reported-by: Dario Weisser
 CVE: CVE-2018-1000300
 Bug: https://curl.haxx.se/docs/adv_2018-82c2.html

- http: restore buffer pointer when bad response-line is parsed
 
 ... leaving the k->str could lead to buffer over-reads later on.
 
 CVE: CVE-2018-1000301
 Assisted-by: Max Dymond
 
 Detected by OSS-Fuzz.
 Bug: https://curl.haxx.se/docs/adv_2018-b138.html
 Bug: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7105

Patrick Monnerat (13 May 2018)
- cookies: do not take cookie name as a parameter
 
 RFC 6265 section 4.2.1 does not set restrictions on cookie names.
 This is a follow-up to commit 7f7fcd0.
 Also explicitly check proper syntax of cookie name/value pair.
 
 New test 1155 checks that cookie names are not reserved words.
 
 Reported-By: anshnd at github
 Fixes #2564
 Closes #2566

Daniel Stenberg (12 May 2018)
- smb: reject negative file sizes
 
 Assisted-by: Max Dymond
 
 Detected by OSS-Fuzz
 Bug: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8245

- setup_transfer: deal with both sockets being -1
 
 Detected by Coverity; CID 1435559. Follow-up to f8d608f38d00. It would
 index the array with -1 if neither index was a socket.

- travis: add build using NSS
 
 Closes #2558

- [Sunny Purushe brought this change]

 openssl: change FILE ops to BIO ops
 
 To make builds with VS2015 work. Recent changes in VS2015 _IOB_ENTRIES
 handling is causing problems. This fix changes the OpenSSL backend code
 to use BIO functions instead of FILE I/O functions to circumvent those
 problems.
 
 Closes #2512

- travis: add a build using WolfSSL
 
 Assisted-by: Dan Fandrich
 
 Closes #2528

- RELEASE-NOTES: typo

- RELEASE-NOTES: synced

- [Daniel Gustafsson brought this change]

 URLs: fix one more http url
 
 This file wasn't included in commit 4af40b3646d3b09 which updated all
 haxx.se http urls to https. The file was committed prior to that update,
 but may have been merged after it and hence didn't get updated.
 
 Closes #2550

- github/lock: auto-lock closed issues after 90 days of inactivity

- vtls: fix missing commas
 
 follow-up to e66cca046cef

- vtls: use unified "supports" bitfield member in backends
 
 ... instead of previous separate struct fields, to make it easier to
 extend and change individual backends without having to modify them all.
 
 closes #2547

- transfer: don't unset writesockfd on setup of multiplexed conns
 
 Curl_setup_transfer() can be called to setup a new individual transfer
 over a multiplexed connection so it shouldn't unset writesockfd.
 
 Bug: #2520
 Closes #2549

- [Frank Gevaerts brought this change]

 configure: put CURLDEBUG and DEBUGBUILD in lib/curl_config.h
 
 They are removed from the compiler flags.
 
 This ensures that make dependency tracking will force a rebuild whenever
 configure --enable-debug or --enable-curldebug changes.
 
 Closes #2548

- http: don't set the "rewind" flag when not uploading anything
 
 It triggers an assert.
 
 Detected by OSS-Fuzz
 Bug: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8144
 Closes #2546

- travis: add an mbedtls build
 
 Closes #2531

- configure: only check for CA bundle for file-using SSL backends
 
 When only building with SSL backends that don't use the CA bundle file
 (by default), skip the check.
 
 Fixes #2543
 Fixes #2180
 Closes #2545

- ssh-libssh.c: fix left shift compiler warning
 
 ssh-libssh.c:2429:21: warning: result of '1 << 31' requires 33 bits to
 represent, but 'int' only has 32 bits [-Wshift-overflow=]
 
 'len' will never be that big anyway so I converted the run-time check to
 a regular assert.

- [Stephan Mühlstrasser brought this change]

 URL: fix ASCII dependency in strcpy_url and strlen_url
 
 Commit 3c630f9b0af097663a64e5c875c580aa9808a92b partially reverted the
 changes from commit dd7521bcc1b7a6fcb53c31f9bd1192fcc884bd56 because of
 the problem that strcpy_url() was modified unilaterally without also
 modifying strlen_url(). As a consequence strcpy_url() was again
 depending on ASCII encoding.
 
 This change fixes strlen_url() and strcpy_url() in parallel to use a
 common host-encoding independent criterion for deciding whether an URL
 character must be %-escaped.
 
 Closes #2535

- [Denis Ollier brought this change]

 docs: remove extraneous commas in man pages
 
 Closes #2544

- RELEASE-NOTES: synced

- Revert "TODO: remove configure --disable-pthreads"
 
 This reverts commit d5d683a97f9765bddfd964fe32e137aa6e703ed3.
 
 --disable-pthreads can be used to disable pthreads and get the threaded
 resolver to use the windows threading when building with mingw.

- vtls: don't define MD5_DIGEST_LENGTH for wolfssl
 
 ... as it defines it (too)

- TODO: remove configure --disable-pthreads

Jay Satiro (2 May 2018)
- [David Garske brought this change]

 wolfssl: Fix non-blocking connect
 
 Closes https://github.com/curl/curl/pull/2542

Daniel Stenberg (30 Apr 2018)
- CURLOPT_URL.3: add ENCODING section [ci skip]
 
 Feedback-by: Michael Kilburn

- KNOWN_BUGS: Client cert with Issuer DN differs between backends
 
 Closes #1411

- KNOWN_BUGS: Passive transfer tries only one IP address
 
 Closes #1508

- KNOWN_BUGS: --upload-file . hang if delay in STDIN
 
 Closes #2051

- KNOWN_BUGS: Connection information when using TCP Fast Open
 
 Closes #1332

- travis: enable libssh2 on both macos and Linux
 
 It seems to not be detected by default anymore (which is a bug I
 believe)
 
 Closes #2541

- TODO: Support the clienthello extension
 
 Closes #2299

- TODO: CLOEXEC
 
 Closes #2252

- tests: provide 'manual' as a feature to optionally require
 
 ... and make test 1026 rely on that feature so that --disable-manual
 builds don't cause test failures.
 
 Reported-by: Max Dymond and Anders Roxell
 Fixes #2533
 Closes #2540

- CURLINFO_PROTOCOL.3: mention the existing defined names

Jay Satiro (27 Apr 2018)
- [Daniel Gustafsson brought this change]

 cookies: remove unused macro
 
 Commit 2bc230de63 made the macro MAX_COOKIE_LINE_TXT become unused,
 so remove as it's not part of the published API.
 
 Closes https://github.com/curl/curl/pull/2537

Daniel Stenberg (27 Apr 2018)
- [Daniel Gustafsson brought this change]

 checksrc: force indentation of lines after an else
 
 This extends the INDENTATION case to also handle 'else' statements
 and require proper indentation on the following line. Also fixes the
 offending cases found in the codebase.
 
 Closes #2532

- http2: fix null pointer dereference in http2_connisdead
 
 This function can get called on a connection that isn't setup enough to
 have the 'recv_underlying' function pointer initialized so it would try
 to call the NULL pointer.
 
 Reported-by: Dario Weisser
 
 Follow-up to db1b2c7fe9b093f8 (never shipped in a release)
 Closes #2536

- http2: get rid of another strstr()
 
 Follow-up to 1514c44655e12e: replace another strstr() call done on a
 buffer that might not be zero terminated - with a memchr() call, even if
 we know the substring will be found.
 
 Assisted-by: Max Dymond
 
 Detected by OSS-Fuzz
 Bug: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8021
 
 Closes #2534

- cyassl: adapt to libraries without TLS 1.0 support built-in
 
 WolfSSL doesn't enable it by default anymore

- configure: provide --with-wolfssl as an alias for --with-cyassl

- RELEASE-NOTES: synced

- [Daniel Gustafsson brought this change]

 os400.c: fix ASSIGNWITHINCONDITION checksrc warnings
 
 All occurrences of assignment within conditional expression in
 os400sys.c rewritten into two steps: first assignment and then the check
 on the success of the assignment. Also adjust related incorrect brace
 positions to match project indentation style.
 
 This was spurred by seeing "if((inp = input_token))", but while in there
 all warnings were fixed.
 
 There should be no functional change from these changes.
 
 Closes #2525

- [Daniel Gustafsson brought this change]

 cookies: ensure that we have cookies before writing jar
 
 The jar should be written iff there are cookies, so ensure that we still
 have cookies after expiration to avoid creating an empty file.
 
 Closes #2529

- strcpy_url: only %-encode values >= 0x80
 
 OSS-Fuzz detected
 
 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8000
 
 Broke in dd7521bcc1b7

- mime: avoid NULL pointer dereference risk
 
 Coverity detected, CID 1435120
 
 Closes #2527

- [Stephan Mühlstrasser brought this change]

 ctype: restore character classification for non-ASCII platforms
 
 With commit 4272a0b0fc49a1ac0ceab5c4a365c9f6ab8bf8e2 curl-speficic
 character classification macros and functions were introduced in
 curl_ctype.[ch] to avoid dependencies on the locale. This broke curl on
 non-ASCII, e.g. EBCDIC platforms. This change restores the previous set
 of character classification macros when CURL_DOES_CONVERSIONS is
 defined.
 
 Closes #2494

- ftplistparser: keep state between invokes
 
 Fixes FTP wildcard parsing when done over a number of read buffers.
 
 Regression from f786d1f14
 
 Reported-by: wncboy on github
 Fixes #2445
 Closes #2526

- examples/http2-upload: expand buffer to avoid silly warning
 
 http2-upload.c:135:44: error: ‘%02d’ directive output may be truncated
 writing between 2 and 11 bytes into a region of size between 8 and 17

- examples/sftpuploadresume: typecast fseek argument to long
 
 /docs/examples/sftpuploadresume.c:102:12: warning: conversion to 'long
 int' from 'curl_off_t {aka long long int}' may alter its value

- Revert "ftplistparser: keep state between invokes"
 
 This reverts commit abbc8457d85aca74b7cfda1d394b0844932b2934.
 
 Caused fuzzer problems on travis not seen when this was a PR!

- Curl_memchr: zero length input can't match
 
 Avoids undefined behavior.
 
 Reported-by: Geeknik Labs

- ftplistparser: keep state between invokes
 
 Fixes FTP wildcard parsing when doing over a number of read buffers.
 
 Regression from f786d1f14
 
 Reported-by: wncboy on github
 Fixes #2445
 Closes #2519

- ftplistparser: renamed some members and variables
 
 ... to make them better spell out what they're for.

- RELEASE-NOTES: synced

- [Christian Schmitz brought this change]

 curl_global_sslset: always provide available backends
 
 Closes #2499

- http2: convert an assert to run-time check
 
 Fuzzing has proven we can reach code in on_frame_recv with status_code
 not having been set, so let's detect that in run-time (instead of with
 assert) and error error accordingly.
 
 (This should no longer happen with the latest nghttp2)
 
 Detected by OSS-Fuzz
 Bug: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7903
 Closes #2514

- curl.1: clarify that options and URLs can be mixed
 
 Fixes #2515
 Closes #2517

Jay Satiro (23 Apr 2018)
- [Archangel_SDY brought this change]

 CURLOPT_SSLCERT.3: improve WinSSL-specific usage info
 
 Ref: https://github.com/curl/curl/pull/2376#issuecomment-381858780
 
 Closes https://github.com/curl/curl/pull/2504

- [Archangel_SDY brought this change]

 schannel: fix build error on targets <= XP
 
 - Use CRYPT_STRING_HEX instead of CRYPT_STRING_HEXRAW since XP doesn't
 support the latter.
 
 Ref: https://github.com/curl/curl/pull/2376#issuecomment-382153668
 
 Closes https://github.com/curl/curl/pull/2504

Daniel Stenberg (23 Apr 2018)
- Revert "ftplistparser: keep state between invokes"
 
 This reverts commit 8fb78f9ddc6d858d630600059b8ad84a80892fd9.
 
 Unfortunately this fix introduces memory leaks I've not been able to fix
 in several days. Reverting this for now to get the leaks fixed.

Jay Satiro (21 Apr 2018)
- tool_help: clarify --max-time unit of time is seconds
 
 Before:
 -m, --max-time <time> Maximum time allowed for the transfer
 
 After:
 -m, --max-time <seconds> Maximum time allowed for the transfer

Daniel Stenberg (20 Apr 2018)
- http2: handle GOAWAY properly
 
 When receiving REFUSED_STREAM, mark the connection for close and retry
 streams accordingly on another/fresh connection.
 
 Reported-by: Terry Wu
 Fixes #2416
 Fixes #1618
 Closes #2510

- http2: clear the "drain counter" when a stream is closed
 
 This fixes the notorious "httpc->drain_total >= data->state.drain"
 assert.
 
 Reported-by: Anders Bakken
 
 Fixes #1680
 Closes #2509

- http2: avoid strstr() on data not zero terminated
 
 It's not strictly clear if the API contract allows us to call strstr()
 on a string that isn't zero terminated even when we know it will find
 the substring, and clang's ASAN check dislikes us for it.
 
 Also added a check of the return code in case it fails, even if I can't
 think of a situation how that can trigger.
 
 Detected by OSS-Fuzz
 Closes #2513
 Bug: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7760

- [Stephan Mühlstrasser brought this change]

 openssl: fix subjectAltName check on non-ASCII platforms
 
 Curl_cert_hostcheck operates with the host character set, therefore the
 ASCII subjectAltName string retrieved with OpenSSL must be converted to
 the host encoding before comparison.
 
 Closes #2493

Jay Satiro (20 Apr 2018)
- openssl: Add support for OpenSSL 1.1.1 verbose-mode trace messages
 
 - Support handling verbose-mode trace messages of type
 SSL3_RT_INNER_CONTENT_TYPE, SSL3_MT_ENCRYPTED_EXTENSIONS,
 SSL3_MT_END_OF_EARLY_DATA, SSL3_MT_KEY_UPDATE, SSL3_MT_NEXT_PROTO,
 SSL3_MT_MESSAGE_HASH
 
 Reported-by: iz8mbw@users.noreply.github.com
 
 Fixes https://github.com/curl/curl/issues/2403

Daniel Stenberg (19 Apr 2018)
- ftplistparser: keep state between invokes
 
 Regression from f786d1f14
 
 Reported-by: wncboy on github
 Fixes #2445
 Closes #2508

- detect_proxy: only show proxy use if it had contents

- http2: handle on_begin_headers() called more than once
 
 This triggered an assert if called more than once in debug mode (and a
 memory leak if not debug build). With the right sequence of HTTP/2
 headers incoming it can happen.
 
 Detected by OSS-Fuzz
 
 Closes #2507
 Bug: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7764

Jay Satiro (18 Apr 2018)
- [Dan McNulty brought this change]

 schannel: add support for CURLOPT_CAINFO
 
 - Move verify_certificate functionality in schannel.c into a new
 file called schannel_verify.c. Additionally, some structure defintions
 from schannel.c have been moved to schannel.h to allow them to be
 used in schannel_verify.c.
 
 - Make verify_certificate functionality for Schannel available on
 all versions of Windows instead of just Windows CE. verify_certificate
 will be invoked on Windows CE or when the user specifies
 CURLOPT_CAINFO and CURLOPT_SSL_VERIFYPEER.
 
 - In verify_certificate, create a custom certificate chain engine that
 exclusively trusts the certificate store backed by the CURLOPT_CAINFO
 file.
 
 - doc updates of --cacert/CAINFO support for schannel
 
 - Use CERT_NAME_SEARCH_ALL_NAMES_FLAG when invoking CertGetNameString
 when available. This implements a TODO in schannel.c to improve
 handling of multiple SANs in a certificate. In particular, all SANs
 will now be searched instead of just the first name.
 
 - Update tool_operate.c to not search for the curl-ca-bundle.crt file
 when using Schannel to maintain backward compatibility. Previously,
 any curl-ca-bundle.crt file found in that search would have been
 ignored by Schannel. But, with CAINFO support, the file found by
 that search would have been used as the certificate store and
 could cause issues for any users that have curl-ca-bundle.crt in
 the search path.
 
 - Update url.c to not set the build time CURL_CA_BUNDLE if the selected
 SSL backend is Schannel. We allow setting CA location for schannel
 only when explicitly specified by the user via CURLOPT_CAINFO /
 --cacert.
 
 - Add new test cases 3000 and 3001. These test cases check that the first
 and last SAN, respectively, matches the connection hostname. New test
 certificates have been added for these cases. For 3000, the certificate
 prefix is Server-localhost-firstSAN and for 3001, the certificate
 prefix is Server-localhost-secondSAN.
 
 - Remove TODO 15.2 (Add support for custom server certificate
 validation), this commit addresses it.
 
 Closes https://github.com/curl/curl/pull/1325

- schannel: fix warning
 
 - Fix warning 'integer from pointer without a cast' on 3rd arg in
 CertOpenStore. The arg type HCRYPTPROV may be a pointer or integer
 type of the same size.
 
 Follow-up to e35b025.
 
 Caught by Marc's CI builds.

- [Jakub Wilk brought this change]

 docs: fix typos
 
 Closes https://github.com/curl/curl/pull/2503

Daniel Stenberg (17 Apr 2018)
- RELEASE-NOTES: synced

Jay Satiro (17 Apr 2018)
- [Kees Dekker brought this change]

 winbuild: Support custom devel paths for each dependency
 
 - Support custom devel paths for c-ares, mbedTLS, nghttp2, libSSH2,
 OpenSSL and zlib. Respectively: CARES_PATH, MBEDTLS_PATH,
 NGHTTP2_PATH, SSH2_PATH, SSL_PATH and ZLIB_PATH.
 
 - Use lib.exe for making the static library instead of link.exe /lib.
 The latter is undocumented and could cause problems as noted in the
 comments.
 
 - Remove a dangling URL that no longer worked. (I was not able to find
 the IDN download at MSDN/microsoft.com, so it seems to be removed.)
 
 - Remove custom override for release-ssh2-ssl-dll-zlib configuration.
 Nobody knows why it was there and as far as we can see is unnecessary.
 
 Closes https://github.com/curl/curl/pull/2474

Daniel Stenberg (17 Apr 2018)
- [Jess brought this change]

 README.md: add backers and sponsors
 
 Closes #2484

- [Archangel_SDY brought this change]

 schannel: add client certificate authentication
 
 Users can now specify a client certificate in system certificates store
 explicitly using expression like `--cert "CurrentUser\MY\<thumbprint>"`
 
 Closes #2376

Marcel Raad (16 Apr 2018)
- [toughengineer brought this change]

 ntlm_sspi: fix authentication using Credential Manager
 
 If you pass empty user/pass asking curl to use Windows Credential
 Storage (as stated in the docs) and it has valid credentials for the
 domain, e.g.
 curl -v -u : --ntlm example.com
 currently authentication fails.
 This change fixes it by providing proper SPN string to the SSPI API
 calls.
 
 Fixes https://github.com/curl/curl/issues/1622
 Closes https://github.com/curl/curl/pull/1660

Daniel Stenberg (16 Apr 2018)
- configure: keep LD_LIBRARY_PATH changes local
 
 ... only set it when we actually have to run tests to reduce its impact
 on for example build commands etc.
 
 Fixes #2490
 Closes #2492
 
 Reported-by: Dmitry Mikhirev

Marcel Raad (16 Apr 2018)
- urldata: make service names unconditional
 
 The ifdefs have become quite long. Also, the condition for the
 definition of CURLOPT_SERVICE_NAME and for setting it from
 CURLOPT_SERVICE_NAME have diverged. We will soon also need the two
 options for NTLM, at least when using SSPI, for
 https://github.com/curl/curl/pull/1660.
 Just make the definitions unconditional to make that easier.
 
 Closes https://github.com/curl/curl/pull/2479

Daniel Stenberg (16 Apr 2018)
- test1148: tolerate progress updates better
 
 Fixes #2446
 Closes #2488

- [Christian Schmitz brought this change]

 ssh: show libSSH2 error code when closing fails
 
 Closes #2500

Jay Satiro (15 Apr 2018)
- [Daniel Gustafsson brought this change]

 vauth: Fix typo
 
 Address various spellings of "credentials".
 
 Closes https://github.com/curl/curl/pull/2496

- [Dagobert Michelsen brought this change]

 system.h: Add sparcv8plus to oracle/sunpro 32-bit detection
 
 With specific compiler options selecting the arch like -xarch=sparc on
 newer compilers like Oracle Studio 12.4 there is no definition of
 __sparcv8 but __sparcv8plus which means the V9 ISA, but limited to the
 32ÎíÎñbit subset defined by the V8plus ISA specification, without the
 Visual Instruction Set (VIS), and without other implementation-specific
 ISA extensions. So it should be the same as __sparcv8.
 
 Closes https://github.com/curl/curl/pull/2491

- [Daniel Gustafsson brought this change]

 checksrc: Fix typo
 
 Fix typo in "semicolon" spelling and remove stray tab character.
 
 Closes https://github.com/curl/curl/pull/2498

- [Daniel Gustafsson brought this change]

 all: Refactor malloc+memset to use calloc
 
 When a zeroed out allocation is required, use calloc() rather than
 malloc() followed by an explicit memset(). The result will be the
 same, but using calloc() everywhere increases consistency in the
 codebase and avoids the risk of subtle bugs when code is injected
 between malloc and memset by accident.
 
 Closes https://github.com/curl/curl/pull/2497

Daniel Stenberg (12 Apr 2018)
- duphandle: make sure CURLOPT_RESOLVE is duplicated fine too
 
 Verified in test 1502 now
 
 Fixes #2485
 Closes #2486
 Reported-by: Ernst Sjöstrand

- mailmap: add a monnerat fixup [ci skip]

- proxy: show getenv proxy use in verbose output
 
 ... to aid debugging etc as it sometimes isn't immediately obvious why
 curl uses or doesn't use a proxy.
 
 Inspired by #2477
 
 Closes #2480

- travis: build libpsl and make builds use it
 
 closes #2471

- travis: bump to clang 6 and gcc 7
 
 Extra-eye-on-this-by: Marcel Raad
 
 Closes #2478

Marcel Raad (10 Apr 2018)
- travis: use trusty for coverage build
 
 This works now and precise is in the process of being decommissioned.
 
 Closes https://github.com/curl/curl/pull/2476

- lib: silence null-dereference warnings
 
 In debug mode, MingGW-w64's GCC 7.3 issues null-dereference warnings
 when dereferencing pointers after DEBUGASSERT-ing that they are not
 NULL.
 Fix this by removing the DEBUGASSERTs.
 
 Suggested-by: Daniel Stenberg
 Ref: https://github.com/curl/curl/pull/2463

- [Kees Dekker brought this change]

 winbuild: fix URL
 
 Follow up on https://github.com/curl/curl/pull/2472.
 Now using en-us instead of nl-nl as language code in the URL.
 
 Closes https://github.com/curl/curl/pull/2475

Daniel Stenberg (9 Apr 2018)
- [Kees Dekker brought this change]

 winbuild: updated the documentation
 
 The setenv command no longer exists and visual studio build prompts got
 changed. Used Visual Studio 2015/2017 as reference.
 
 Closes #2472

- test1136: fix cookie order after commit c990eadd1277

- build: cleanup to fix clang warnings/errors
 
 unit1309 and vtls/gtls: error: arithmetic on a null pointer treated as a
 cast from integer to pointer is a GNU extension
 
 Reported-by: Rikard Falkeborn
 
 Fixes #2466
 Closes #2468

Jay Satiro (7 Apr 2018)
- examples/sftpuploadresmue: Fix Windows large file seek
 
 - Use _fseeki64 instead of fseek (long) to seek curl_off_t in Windows.
 
 - Use CURL_FORMAT_CURL_OFF_T specifier instead of %ld to print
 curl_off_t.
 
 Caught by Marc's CI builds.

Daniel Stenberg (7 Apr 2018)
- curl_setup: provide a CURL_SA_FAMILY_T type if none exists
 
 ... and use this type instead of 'sa_family_t' in the code since several
 platforms don't have it.
 
 Closes #2463

- [Eric Gallager brought this change]

 build: add picky compiler warning flags for gcc 6 and 7

- configure: detect sa_family_t

Jay Satiro (7 Apr 2018)
- [Stefan Agner brought this change]

 tool_operate: Fix retry on FTP 4xx to ignore other protocols
 
 Only treat response code as FTP response codes in case the
 protocol type is FTP.
 
 This fixes an issue where an HTTP download was treated as FTP
 in case libcurl returned with 33. This happens when the
 download has already finished and the server responses 416:
 HTTP/1.1 416 Requested Range Not Satisfiable
 
 This should not be treated as an FTP error.
 
 Fixes #2464
 Closes #2465

Daniel Stenberg (6 Apr 2018)
- hash: calculate sizes with size_t instead of longs
 
 ... since they return size_t anyway!
 
 closes #2462

- RELEASE-NOTES: synced

- [Jay Satiro brought this change]

 build-openssl.bat: Refer to VS2017 as VC14.1 instead of VC15
 
 .. and do the same for build-wolfssl.bat.
 
 Because MS calls it VC14.1.
 
 Closes https://github.com/curl/curl/pull/2189

- [Kees Dekker brought this change]

 winbuild: make the clean target work without build-type
 
 Due to the check in Makefile.vc and MakefileBuild.vc, no make call can
 be invoked unless a build-type was specified. However, a clean target
 only existed when a build type was specified. As a result, the clean
 target was unreachable. Made clean target unconditional.
 
 Closes #2455

- [patelvivekv1993 brought this change]

 build-openssl.bat: allow custom paths for VS and perl
 
 Fixes #2430
 Closes #2457

- [Laurie Clark-Michalek brought this change]

 FTP: allow PASV on IPv6 connections when a proxy is being used
 
 In the situation of a client connecting to an FTP server using an IPv6
 tunnel proxy, the connection info will indicate that the connection is
 IPv6. However, because the server behing the proxy is IPv4, it is
 permissable to attempt PSV mode. In the case of the FTP server being
 IPv4 only, EPSV will always fail, and with the current logic curl will
 be unable to connect to the server, as the IPv6 fwdproxy causes curl to
 think that EPSV is impossible.
 
 Closes #2432

- [Jon DeVree brought this change]

 file: restore old behavior for file:////foo/bar URLs
 
 curl 7.57.0 and up interpret this according to Appendix E.3.2 of RFC
 8089 but then returns an error saying this is unimplemented. This is
 actually a regression in behavior on both Windows and Unix.
 
 Before curl 7.57.0 this URL was treated as a path of "//foo/bar" and
 then passed to the relevant OS API. This means that the behavior of this
 case is actually OS dependent.
 
 The Unix path resolution rules say that the OS must handle swallowing
 the extra "/" and so this path is the same as "/foo/bar"
 
 The Windows path resolution rules say that this is a UNC path and
 automatically handles the SMB access for the program. So curl on Windows
 was already doing Appendix E.3.2 without any special code in curl.
 
 Regression
 
 Closes #2438

- [Gaurav Malhotra brought this change]

 Revert "openssl: Don't add verify locations when verifypeer==0"
 
 This reverts commit dc85437736e1fc90e689bb1f6c51c8f1aa9430eb.
 
 libcurl (with the OpenSSL backend) performs server certificate verification
 even if verifypeer == 0 and the verification result is available using
 CURLINFO_SSL_VERIFYRESULT. The commit that is being reverted caused the
 CURLINFO_SSL_VERIFYRESULT to not have useful information for the
 verifypeer == 0 use case (it would always have
 X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY).
 
 Closes #2451

- [Wyatt O'Day brought this change]

 tls: fix mbedTLS 2.7.0 build + handle sha256 failures
 
 (mbedtls 2.70 compiled with MBEDTLS_DEPRECATED_REMOVED)
 
 Closes #2453

- [Lauri Kasanen brought this change]

 cookie: case-insensitive hashing for the domains
 
 closes #2458

Patrick Monnerat (4 Apr 2018)
- cookie: fix and optimize 2nd top level domain name extraction
 
 This fixes a segfault occurring when a name of the (invalid) form "domain..tld"
 is processed.
 
 test46 updated to cover this case.
 
 Follow-up to commit c990ead.
 
 Ref: https://github.com/curl/curl/pull/2440

Daniel Stenberg (4 Apr 2018)
- openssl: provide defines for argument typecasts to build warning-free
 
 ... as OpenSSL >= 1.1.0 and libressl >= 2.7.0 use different argument types.

- [Bernard Spil brought this change]

 openssl: fix build with LibreSSL 2.7
 
 - LibreSSL 2.7 implements (most of) OpenSSL 1.1 API
 
 Fixes #2319
 Closes #2447
 Closes #2448
 
 Signed-off-by: Bernard Spil <brnrd@FreeBSD.org>

- [Lauri Kasanen brought this change]

 cookie: store cookies per top-level-domain-specific hash table
 
 This makes libcurl handle thousands of cookies much better and speedier.
 
 Closes #2440

- [Lauri Kasanen brought this change]

 cookies: when reading from a file, only remove_expired once
 
 This drops the cookie load time for 8k cookies from 178ms to 15ms.
 
 Closes #2441

- test1148: set a fixed locale for the test
 
 ...as otherwise it might use a different decimal sign.
 
 Bug: #2436
 Reported-by: Oumph on github

Jay Satiro (31 Mar 2018)
- docs: fix CURLINFO_*_T examples use of CURL_FORMAT_CURL_OFF_T
 
 - Put a percent sign before each CURL_FORMAT_CURL_OFF_T in printf.
 
 For example "%" CURL_FORMAT_CURL_OFF_T becomes %lld or similar.
 
 Bug: https://curl.haxx.se/mail/lib-2018-03/0140.html
 Reported-by: David L.

Sergei Nikulov (27 Mar 2018)
- [Michał Janiszewski brought this change]

 cmake: Add advapi32 as explicit link library for win32
 
 ARM targets need advapi32 explicitly.
 
 Closes #2363

Daniel Stenberg (27 Mar 2018)
- TODO: connection cache sharing is now supporte

Jay Satiro (26 Mar 2018)
- travis: enable apt retry on fail
 
 This is a workaround for an unsolved travis issue that is causing CI
 instances to sporadically fail due to 'unable to connect' issues during
 apt stage.
 
 Ref: https://github.com/travis-ci/travis-ci/issues/8507
 Ref: https://github.com/travis-ci/travis-ci/issues/9112#issuecomment-376305909

Michael Kaufmann (26 Mar 2018)
- runtests.pl: fix warning 'use of uninitialized value'
 
 follow-up to a9a7b60
 
 Closes #2428

Daniel Stenberg (24 Mar 2018)
- gitignore: ignore more generated files

- threaded resolver: track resolver time and set suitable timeout values
 
 In order to make curl_multi_timeout() return suitable "sleep" times even
 when there's no socket to wait for while the name is being resolved in a
 helper thread.
 
 It will increases the timeouts as time passes.
 
 Closes #2419

- [Howard Chu brought this change]

 openldap: fix for NULL return from ldap_get_attribute_ber()
 
 Closes #2399

GitHub (22 Mar 2018)
- [Sergei Nikulov brought this change]

 travis-ci: enable -Werror for CMake builds (#2418)

- [Sergei Nikulov brought this change]

 cmake: avoid warn-as-error during config checks (#2411)
 
 - Move the CURL_WERROR option processing after the configuration checks
 to avoid failures in case of warnings during the configuration checks.
 
 This is a partial fix for #2358

- [Sergei Nikulov brought this change]

 timeval: remove compilation warning by casting (#2417)
 
 This is fixes #2358

Daniel Stenberg (22 Mar 2018)
- http2: read pending frames (including GOAWAY) in connection-check
 
 If a connection has received a GOAWAY frame while not being used, the
 function now reads frames off the connection before trying to reuse it
 to avoid reusing connections the server has told us not to use.
 
 Reported-by: Alex Baines
 Fixes #1967
 Closes #2402

- [Bas van Schaik brought this change]

 CI: add lgtm.yml for tweaking lgtm.com analysis
 
 Closes #2414

- CURLINFO_SSL_VERIFYRESULT.3: fix the example, add some text
 
 Reported-by: Michal Trybus
 
 Fixes #2400

- TODO: expand ~/ in config files
 
 Closes #2317

- cookie.d: mention that "-" as filename means stdin
 
 Reported-by: Dongliang Mu
 Fixes #2410

- CURLINFO_COOKIELIST.3: made the example not leak memory
 
 Reported-by: Muz Dima

- vauth/cleartext: fix integer overflow check
 
 Make the integer overflow check not rely on the undefined behavior that
 a size_t wraps around on overflow.
 
 Detected by lgtm.com
 Closes #2408

- lib/curl_path.h: add #ifdef header guard
 
 Detected by lgtm.com

- vauth/ntlm.h: fix the #ifdef header guard
 
 Detected by lgtm.com

Jay Satiro (20 Mar 2018)
- examples/hiperfifo: checksrc compliance

Daniel Stenberg (19 Mar 2018)
- [Nikos Tsipinakis brought this change]

 parsedate: support UT timezone
 
 RFC822 section 5.2 mentions Universal Time, 'UT', to be synonymous with
 GMT.
 
 Closes #2401

- RELEASE-NOTES: synced

- [Don brought this change]

 cmake: add support for brotli
 
 Currently CMake cannot detect Brotli support. This adds detection of the
 libraries and associated header files. It also adds this to the
 generated config.
 
 Closes #2392

- [Chris Araman brought this change]

 darwinssl: fix iOS build

Patrick Monnerat (18 Mar 2018)
- ILE/RPG binding: Add CURLOPT_HAPROXYPROTOCOL/Fix CURLOPT_DNS_SHUFFLE_ADDRESSES

Daniel Stenberg (17 Mar 2018)
- [Rick Deist brought this change]

 resolve: add CURLOPT_DNS_SHUFFLE_ADDRESSES
 
 This patch adds CURLOPT_DNS_SHUFFLE_ADDRESSES to explicitly request
 shuffling of IP addresses returned for a hostname when there is more
 than one. This is useful when the application knows that a round robin
 approach is appropriate and is willing to accept the consequences of
 potentially discarding some preference order returned by the system's
 implementation.
 
 Closes #1694

- add_handle/easy_perform: clear errorbuffer on start if set
 
 To offer applications a more defined behavior, we clear the buffer as
 early as possible.
 
 Assisted-by: Jay Satiro
 
 Fixes #2190
 Closes #2377

- [Lawrence Matthews brought this change]

 CURLOPT_HAPROXYPROTOCOL: support the HAProxy PROXY protocol
 
 Add --haproxy-protocol for the command line tool
 
 Closes #2162

- curl_version_info.3: fix ssl_version description
 
 Reported-by: Vincas Razma
 Fixes #2364

- multi: improved pending transfers handling => improved performance
 
 When a transfer is requested to get done and it is put in the pending
 queue when limited by number of connections, total or per-host, libcurl
 would previously very aggressively retry *ALL* pending transfers to get
 them transferring. That was very time consuming.
 
 By reducing the aggressiveness in how pending are being retried, we
 waste MUCH less time on putting transfers back into pending again.
 
 Some test cases got a factor 30(!) speed improvement with this change.
 
 Reported-by: Cyril B
 Fixes #2369
 Closes #2383

- pause: when changing pause state, update socket state
 
 Especially unpausing a transfer might have to move the socket back to the
 "currently used sockets" hash to get monitored. Otherwise it would never get
 any more data and get stuck. Easily triggered with pausing using the
 multi_socket API.
 
 Reported-by: Philip Prindeville
 Bug: https://curl.haxx.se/mail/lib-2018-03/0048.html
 Fixes #2393
 Closes #2391

- [Philip Prindeville brought this change]

 examples/hiperfifo.c: improved
 
 * use member struct event’s instead of pointers to alloc’d struct
 events
 
 * simplify the cases for the mcode_or_die() function via macros;
 
 * make multi_timer_cb() actually do what the block comment says it
 should;
 
 * accept a “stop” command on the FIFO to shut down the service;
 
 * use cleaner notation for unused variables than the (void) hack;
 
 * allow following redirections (304’s);

- rate-limit: use three second window to better handle high speeds
 
 Due to very frequent updates of the rate limit "window", it could
 attempt to rate limit within the same milliseconds and that then made
 the calculations wrong, leading to it not behaving correctly on very
 fast transfers.
 
 This new logic updates the rate limit "window" to be no shorter than the
 last three seconds and only updating the timestamps for this when
 switching between the states TOOFAST/PERFORM.
 
 Reported-by: 刘佩东
 Fixes #2386
 Closes #2388

- [luz.paz brought this change]

 cleanup: misc typos in strings and comments
 
 Found via `codespell`
 
 Closes #2389

- RELEASE-NOTES: toward 7.60.0

- [Kobi Gurkan brought this change]

 http2: fixes typo
 
 Closes #2387

- user-agent.d:: mention --proxy-header as well
 
 Bug: https://github.com/curl/curl/issues/2381

- transfer: make HTTP without headers count correct body size
 
 This is what "HTTP/0.9" basically looks like.
 
 Reported on IRC
 
 Closes #2382

- test1208: marked flaky
 
 It fails somewhere between every 3rd to 10th travis-CI run

- SECURITY-PROCESS: mention how we write/add advisories

- [dasimx brought this change]

 FTP: fix typo in recursive callback detection for seeking
 
 Fixes #2380

Version 7.59.0 (13 Mar 2018)

Daniel Stenberg (13 Mar 2018)
- release: 7.59.0

Kamil Dudka (13 Mar 2018)
- tests/.../spnego.py: fix identifier typo
 
 Detected by Coverity Analysis:
 
 Error: IDENTIFIER_TYPO:
 curl-7.58.0/tests/python_dependencies/impacket/spnego.py:229: identifier_typo: Using "SuportedMech" appears to be a typo:
 * Identifier "SuportedMech" is only known to be referenced here, or in copies of this code.
 * Identifier "SupportedMech" is referenced elsewhere at least 4 times.
 curl-7.58.0/tests/python_dependencies/impacket/smbserver.py:2651: identifier_use: Example 1: Using identifier "SupportedMech".
 curl-7.58.0/tests/python_dependencies/impacket/smbserver.py:2308: identifier_use: Example 2: Using identifier "SupportedMech".
 curl-7.58.0/tests/python_dependencies/impacket/spnego.py:252: identifier_use: Example 3: Using identifier "SupportedMech" (2 total uses in this function).
 curl-7.58.0/tests/python_dependencies/impacket/spnego.py:229: remediation: Should identifier "SuportedMech" be replaced by "SupportedMech"?
 
 Closes #2379

Daniel Stenberg (13 Mar 2018)
- CURLOPT_COOKIEFILE.3: "-" as file name means stdin
 
 Reported-by: Aron Bergman
 Bug: https://curl.haxx.se/mail/lib-2018-03/0049.html
 
 [ci skip]

- Revert "hostip: fix compiler warning: 'variable set but not used'"
 
 This reverts commit a577059f92fc65bd6b81717f0737f897a5b34248.
 
 The assignment really needs to be there or we risk working with an
 uninitialized pointer.

Michael Kaufmann (12 Mar 2018)
- limit-rate: fix compiler warning
 
 follow-up to 72a0f62

Viktor Szakats (12 Mar 2018)
- checksrc.pl: add -i and -m options
 
 To sync it with changes made for the libssh2 project.
 Also cleanup some whitespace.

- curl-openssl.m4: fix spelling [ci skip]

- FAQ: fix a broken URL [ci skip]

Daniel Stenberg (12 Mar 2018)
- http2: mark the connection for close on GOAWAY
 
 ... don't consider it an error!
 
 Assisted-by: Jay Satiro
 Reported-by: Łukasz Domeradzki
 Fixes #2365
 Closes #2375

- credits: Viktor prefers without accent

- openldap: white space changes, fixed up the copyright years

- openldap: check ldap_get_attribute_ber() results for NULL before using
 
 CVE-2018-1000121
 Reported-by: Dario Weisser
 Bug: https://curl.haxx.se/docs/adv_2018-97a2.html

- FTP: reject path components with control codes
 
 Refuse to operate when given path components featuring byte values lower
 than 32.
 
 Previously, inserting a %00 sequence early in the directory part when
 using the 'singlecwd' ftp method could make curl write a zero byte
 outside of the allocated buffer.
 
 Test case 340 verifies.
 
 CVE-2018-1000120
 Reported-by: Duy Phan Thanh
 Bug: https://curl.haxx.se/docs/adv_2018-9cd6.html

- readwrite: make sure excess reads don't go beyond buffer end
 
 CVE-2018-1000122
 Bug: https://curl.haxx.se/docs/adv_2018-b047.html
 
 Detected by OSS-fuzz

- BUGS: updated link to security process

- limit-rate: kick in even before "limit" data has been received
 
 ... and make sure to avoid integer overflows with really large values.
 
 Reported-by: 刘佩东
 Fixes #2371
 Closes #2373

- docs/SECURITY.md -> docs/SECURITY-PROCESS.md

- SECURITY.md: call it the security process

Michael Kaufmann (11 Mar 2018)
- Curl_range: fix FTP-only and FILE-only builds
 
 follow-up to e04417d

- hostip: fix compiler warning: 'variable set but not used'

Daniel Stenberg (11 Mar 2018)
- HTTP: allow "header;" to replace an internal header with a blank one
 
 Reported-by: Michael Kaufmann
 Fixes #2357
 Closes #2362

- http2: verbose output new MAX_CONCURRENT_STREAMS values
 
 ... as it is interesting for many users.

- SECURITY: distros' max embargo time is 14 days now

Patrick Monnerat (8 Mar 2018)
- curl tool: accept --compressed also if Brotli is enabled and zlib is not.

Daniel Stenberg (5 Mar 2018)
- THANKS + mailmap: remove duplicates, fixup full names

- [sergii.kavunenko brought this change]

 WolfSSL: adding TLSv1.3
 
 Closes #2349

- RELEASE-NOTES/THANKS: synced with cc1d4c505

- [Richard Alcock brought this change]

 winbuild: prefer documented zlib library names
 
 Check for existence of import and static libraries with documented names
 and use them if they do. Fallback to previous names.
 
 According to
 https://github.com/madler/zlib/blob/master/win32/README-WIN32.txt on
 Windows, the names of the import library is "zdll.lib" and static
 library is "zlib.lib".
 
 closes #2354

Marcel Raad (4 Mar 2018)
- krb5: use nondeprecated functions
 
 gss_seal/gss_unseal have been deprecated in favor of
 gss_wrap/gss_unwrap with GSS-API v2 from January 1997 [1]. The first
 version of "The Kerberos Version 5 GSS-API Mechanism" [2] from June
 1996 already says "GSS_Wrap() (formerly GSS_Seal())" and
 "GSS_Unwrap() (formerly GSS_Unseal())".
 
 Use the nondeprecated functions to avoid deprecation warnings.
 
 [1] https://tools.ietf.org/html/rfc2078
 [2] https://tools.ietf.org/html/rfc1964
 
 Closes https://github.com/curl/curl/pull/2356

Daniel Stenberg (4 Mar 2018)
- curl.1: mention how to add numerical IP addresses in NO_PROXY

- CURLOPT_NOPROXY.3: mention how to list numerical IPv6 addresses

- NO_PROXY: fix for IPv6 numericals in the URL
 
 Added test 1265 that verifies.
 
 Reported-by: steelman on github
 Fixes #2353
 Closes #2355

- build: get CFLAGS (including -werror) used for examples and tests
 
 ... so that the CI and more detects compiler warnings/errors properly!
 
 Closes #2337

Marcel Raad (3 Mar 2018)
- curl_ctype: fix macro redefinition warnings
 
 On MinGW and Cygwin, GCC and clang have been complaining about macro
 redefinitions since 4272a0b0fc49a1ac0ceab5c4a365c9f6ab8bf8e2. Fix this
 by undefining the macros before redefining them as suggested in
 https://github.com/curl/curl/pull/2269.
 
 Suggested-by: Daniel Stenberg

Dan Fandrich (2 Mar 2018)
- unit1307: proper cleanup on OOM to fix torture tests

Marcel Raad (28 Feb 2018)
- unit1309: fix warning on Windows x64
 
 When targeting x64, MinGW-w64 complains about conversions between
 32-bit long and 64-bit pointers. Fix this by reusing the
 GNUTLS_POINTER_TO_SOCKET_CAST / GNUTLS_SOCKET_TO_POINTER_CAST logic
 from gtls.c, moving it to warnless.h as CURLX_POINTER_TO_INTEGER_CAST /
 CURLX_INTEGER_TO_POINTER_CAST.
 
 Closes https://github.com/curl/curl/pull/2341

- travis: update compiler versions
 
 Update clang to version 3.9 and GCC to version 6.
 
 Closes https://github.com/curl/curl/pull/2345

Daniel Stenberg (26 Feb 2018)
- docs/MANUAL: formfind.pl is not accessible on the site anymore
 
 Fixes #2342

Jay Satiro (24 Feb 2018)
- curl-openssl.m4: Fix version check for OpenSSL 1.1.1
 
 - Add OpenSSL 1.1.1 to the header/library version lists.
 
 - Detect OpenSSL 1.1.1 library using its function ERR_clear_last_mark,
 which was added in that version.
 
 Prior to this change an erroneous header/library mismatch was caused by
 lack of OpenSSL 1.1.1 detection. I tested using openssl-1.1.1-pre1.

Viktor Szakats (23 Feb 2018)
- lib655: silence compiler warning
 
 Closes https://github.com/curl/curl/pull/2335

- spelling fixes
 
 Detected using the `codespell` tool.
 
 Also contains one URL protocol upgrade.
 
 Closes https://github.com/curl/curl/pull/2334

Daniel Stenberg (24 Feb 2018)
- projects/README: remove reference to dead IDN link/package
 
 Reported-by: Stefan Kanthak and Rod Widdowson
 
 Fixes #2325

Jay Satiro (23 Feb 2018)
- [Rod Widdowson brought this change]

 winbuild: Use macros for the names of some build utilities
 
 - Add macros to the top of the makefile for rc and mt utilities so that
 it is easier to change their locations.
 
 Bug: https://curl.haxx.se/mail/lib-2018-02/0075.html
 Reported-by: Stefan Kanthak
 
 Closes https://github.com/curl/curl/issues/2329

Daniel Stenberg (23 Feb 2018)
- TODO: remove "sha-256 digest", added in 2b5b37cb9109e7c2

- curl_share_setopt.3: connection cache is shared within multi handles

Jay Satiro (22 Feb 2018)
- [Rod Widdowson brought this change]

 winbuild: Use CALL to run batch scripts
 
 Co-authored-by: Stefan Kanthak
 
 Closes https://github.com/curl/curl/issues/2330
 Closes https://github.com/curl/curl/pull/2331

Patrick Monnerat (22 Feb 2018)
- os400: add curl_resolver_start_callback type to ILE/RPG binding

Daniel Stenberg (22 Feb 2018)
- form.d: rephrased somewhat, added two example command lines

Jay Satiro (21 Feb 2018)
- [Francisco Sedano brought this change]

 url: Add option CURLOPT_RESOLVER_START_FUNCTION
 
 - Add new option CURLOPT_RESOLVER_START_FUNCTION to set a callback that
 will be called every time before a new resolve request is started
 (ie before a host is resolved) with a pointer to backend-specific
 resolver data. Currently this is only useful for ares.
 
 - Add new option CURLOPT_RESOLVER_START_DATA to set a user pointer to
 pass to the resolver start callback.
 
 Closes https://github.com/curl/curl/pull/2311

- lib: CURLOPT_HAPPY_EYEBALLS_TIMEOUT => CURLOPT_HAPPY_EYEBALLS_TIMEOUT_MS
 
 - In keeping with the naming of our other connect timeout options rename
 CURLOPT_HAPPY_EYEBALLS_TIMEOUT to CURLOPT_HAPPY_EYEBALLS_TIMEOUT_MS.
 
 This change adds the _MS suffix since the option expects milliseconds.
 This is more intuitive for our users since other connect timeout options
 that expect milliseconds use _MS such as CURLOPT_TIMEOUT_MS,
 CURLOPT_CONNECTTIMEOUT_MS, CURLOPT_ACCEPTTIMEOUT_MS.
 
 The tool option already uses an -ms suffix, --happy-eyeballs-timeout-ms.
 
 Follow-up to 2427d94 which added the lib and tool option yesterday.
 
 Ref: https://github.com/curl/curl/pull/2260

Patrick Monnerat (21 Feb 2018)
- sasl: prefer PLAIN mechanism over LOGIN
 
 SASL PLAIN is a standard, LOGIN only a draft. The LOGIN draft says
 PLAIN should be used instead if available.

Daniel Stenberg (21 Feb 2018)
- RELEASE-NOTES: synced with 2427d94c6

Jay Satiro (20 Feb 2018)
- [Anders Bakken brought this change]

 url: Add option CURLOPT_HAPPY_EYEBALLS_TIMEOUT
 
 - Add new option CURLOPT_HAPPY_EYEBALLS_TIMEOUT to set libcurl's happy
 eyeball timeout value.
 
 - Add new optval macro CURL_HET_DEFAULT to represent the default happy
 eyeballs timeout value (currently 200 ms).
 
 - Add new tool option --happy-eyeballs-timeout-ms to expose
 CURLOPT_HAPPY_EYEBALLS_TIMEOUT. The -ms suffix is used because the
 other -timeout options in the tool expect seconds not milliseconds.
 
 Closes https://github.com/curl/curl/pull/2260

- hostip: fix 'potentially uninitialized variable' warning
 
 Follow-up to 50d1b33.
 
 Caught by AppVeyor.

Daniel Stenberg (20 Feb 2018)
- TODO: warning if curl version is not in sync with libcurl version

Jay Satiro (20 Feb 2018)
- [Anders Bakken brought this change]

 CURLOPT_RESOLVE: Add support for multiple IP addresses per entry
 
 This enables users to preresolve but still take advantage of happy
 eyeballs and trying multiple addresses if some are not connecting.
 
 Ref: https://github.com/curl/curl/pull/2260

Daniel Stenberg (20 Feb 2018)
- [Sergio Borghese brought this change]

 examples/sftpuploadresume: resume upload via CURLOPT_APPEND
 
 URL: https://curl.haxx.se/mail/lib-2018-02/0072.html

- curl --version: show PSL if the run-time lib has it enabled
 
 ... not of the #define was set at build-time!

- TODO: "Support in-memory certs/ca certs/keys"
 
 removed SSLKEYLOGFILE support (fixed)
 
 removed "consider SSL patches" (outdated)
 
 Closes #2310

- CURLOPT_HEADER.3: clarify problems with different data sizes

- test1556: verify >16KB headers to the header callback

- header callback: don't chop headers into smaller pieces
 
 Reported-by: Guido Berhoerster
 Fixes #2314
 Closes #2316

- test1154: verify that long HTTP headers get rejected

- http: fix the max header length detection logic
 
 Previously, it would only check for max length if the existing alloc
 buffer was to small to fit it, which often would make the header still
 get used.
 
 Reported-by: Guido Berhoerster
 Bug: https://curl.haxx.se/mail/lib-2018-02/0056.html
 
 Closes #2315

- CURLOPT_HEADERFUNCTION.3: fix typo from d939226813
 
 Reported-by: Erik Johansson
 Bug: https://github.com/curl/curl/commit/d9392268131c1b8d18dec3fa30e0bded833a5db7#commitcomment-27607495

- CURLOPT_HEADERFUNCTION.3: mention folded headers

- TODO: 1.1 Option to refuse usernames in URLs
 
 Also expanded the CURL_REFUSE_CLEARTEXT section with more ideas.

- TODO: 1.7 Support HTTP/2 for HTTP(S) proxies

- ssh: add two missing state names
 
 The list of state names (used in debug builds) was out of sync in
 relation to the list of states (used in all builds).
 
 I now added an assert to make sure the sizes of the two lists match, to
 aid in detecting this mistake better in the future.
 
 Regression since c92d2e14cf, shipped in 7.58.0.
 
 Reported-by: Somnath Kundu
 
 Fixes #2312
 Closes #2313

- Revert "KNOWN_BUGS: 2.5 curl should not offer "ALPN: h2" when using https-proxy"
 
 This reverts commit de9fac00c40db321d44fa6fbab6eb62ec4c83998.
 
 Reported-by: Jay Satiro

Jay Satiro (15 Feb 2018)
- non-ascii: fix implicit declaration warning
 
 Follow-up to b46cfbc.
 
 Caught by Travis CI.

Daniel Stenberg (15 Feb 2018)
- travis: add build with iconv enabled
 
 ... to verify it builds and works fine.
 
 Ref: https://curl.haxx.se/mail/lib-2017-09/0031.html
 
 Closes #1872

- TODO: 18.18 retry on network is unreachable
 
 Closes #1603

- KNOWN_BUGS: 2.5 curl should not offer "ALPN: h2" when using https-proxy
 
 Closes #1254

Kamil Dudka (15 Feb 2018)
- nss: use PK11_CreateManagedGenericObject() if available
 
 ... so that the memory allocated by applications using libcurl does not
 grow per each TLS connection.
 
 Bug: https://bugzilla.redhat.com/1510247
 
 Closes #2297

Daniel Stenberg (15 Feb 2018)
- [Björn Stenberg brought this change]

 TODO fixed: Detect when called from within callbacks
 
 Closes #2302

- BINDINGS: fix curb link (and remove ruby-curl-multi)
 
 Reported-by: Klaus Stein

- curl_gssapi: make sure this file too uses our *printf()

- libcurl-security.3: separate file:// section
 
 ... just to make it more apparent. Even if it repeats
 some pieces of information.

- libcurl-security.3: the http://192.168.0.1/my_router_config case
 
 Mentioned-By: Rich Moore

- libcurl-security.3: mention the URL standards problems too

- libcurl-security.3: split out from libcurl-tutorial.3
 
 To make more accessible.
 
 Merged in some new language from "URLs are dangerous things" as discussed on
 the mailing list a few days ago:
 
 Bug: https://curl.haxx.se/mail/lib-2018-02/0013.html

- RELEASE-NOTES: synced with e551910f8

Patrick Monnerat (13 Feb 2018)
- tests: new tests for http raw mode
 
 Test 319 checks proper raw mode data with non-chunked gzip
 transfer-encoded server data.
 Test 326 checks raw mode with chunked server data.
 
 Bug: #2303
 Closes #2308

Kamil Dudka (12 Feb 2018)
- tlsauthtype.d: works only if libcurl is built with TLS-SRP support
 
 Bug: https://bugzilla.redhat.com/1542256
 
 Closes #2306

Patrick Monnerat (12 Feb 2018)
- smtp: fix processing of initial dot in data
 
 RFC 5321 4.1.1.4 specifies the CRLF terminating the DATA command
 should be taken into account when chasing the <CRLF>.<CRLF> end marker.
 Thus a leading dot character in data is also subject to escaping.
 
 Tests 911 and test server are adapted to this situation.
 New tests 951 and 952 check proper handling of initial dot in data.
 
 Closes #2304

Daniel Stenberg (12 Feb 2018)
- sha256: avoid redefine

- [Douglas Mencken brought this change]

 sha256: build with OpenSSL < 0.9.8 too
 
 support for SHA-2 was introduced in OpenSSL 0.9.8
 
 Closes #2305

- [Bruno Grasselli brought this change]

 README: language fix
 
 s/off/from
 
 Closes #2300

Patrick Monnerat (12 Feb 2018)
- http_chunks: don't write chunks twice with CURLOPT_HTTP_TRANSFER_DECODING on
 
 Bug: #2303
 Reported-By: Henry Roeland

Daniel Stenberg (9 Feb 2018)
- get_posix_time: only check for overflows if they can happen!

Michael Kaufmann (9 Feb 2018)
- schannel: fix "no previous prototype" compiler warning

Jay Satiro (9 Feb 2018)
- [Mohammad AlSaleh brought this change]

 content_encoding: Add "none" alias to "identity"
 
 Some servers return a "content-encoding" header with a non-standard
 "none" value.
 
 Add "none" as an alias to "identity" as a work-around, to avoid
 unrecognised content encoding type errors.
 
 Signed-off-by: Mohammad AlSaleh <CE.Mohammad.AlSaleh@gmail.com>
 
 Closes https://github.com/curl/curl/pull/2298

Steve Holme (8 Feb 2018)
- build-openssl.bat: Follow up to 648679ab8e to suppress copy/move output

- build-openssl.bat: Fixed incorrect move if destination build folder exists

Michael Kaufmann (8 Feb 2018)
- schannel: fix compiler warnings
 
 Closes #2296

Steve Holme (7 Feb 2018)
- curl_addrinfo.c: Allow Unix Domain Sockets to compile under Windows
 
 Windows 10.0.17061 SDK introduces support for Unix Domain Sockets.
 Added the necessary include file to curl_addrinfo.c.
 
 Note: The SDK (which is considered beta) has to be installed, VS 2017
 project file has to be re-targeted for Windows 10.0.17061 and #define
 enabled in config-win32.h.

Patrick Monnerat (7 Feb 2018)
- fnmatch: optimize processing of consecutive *s and ?s pattern characters
 
 Reported-By: Daniel Stenberg
 Fixes #2291
 Closes #2293

Steve Holme (6 Feb 2018)
- build-openssl.bat/build-wolfssl.bat: Build platform is optional
 
 Whilst the compiler parameter is mandatory, platform is optional as it
 is automatically calculated by the :configure section.
 
 This partially reverts commit 6d62d2c55d.

Daniel Stenberg (6 Feb 2018)
- [Patrick Schlangen brought this change]

 openssl: Don't add verify locations when verifypeer==0
 
 When peer verification is disabled, calling
 SSL_CTX_load_verify_locations is not necessary. Only call it when
 verification is enabled to save resources and increase performance.
 
 Closes #2290

Steve Holme (5 Feb 2018)
- build-wolfssl.bat: Extend VC15 support to include Enterprise and Professional
 
 ...and not just the Community Edition.

- build-openssl.bat: Extend VC15 support to include Enterprise and Professional
 
 ...and not just the Community Edition.

Michael Kaufmann (5 Feb 2018)
- time-cond: fix reading the file modification time on Windows
 
 On Windows, stat() may adjust the unix file time by a daylight saving time
 offset. Avoid this by calling GetFileTime() instead.
 
 Fixes #2164
 Closes #2204

Daniel Stenberg (5 Feb 2018)
- formdata: use the mime-content type function
 
 Reduce code duplication by making Curl_mime_contenttype available and
 used by the formdata function. This also makes the formdata function
 recognize a set of more file extensions by default.
 
 PR #2280 brought this to my attention.
 
 Closes #2282

- getdate: return -1 for out of range
 
 ...as that's how the function is documented to work.
 
 Reported-by: Michael Kaufmann
 Bug found in an autobuild with 32 bit time_t
 
 Closes #2278

- [Ben Greear brought this change]

 build: fix termios issue on android cross-compile
 
 Bug: https://curl.haxx.se/mail/lib-2018-01/0122.html
 Signed-off-by: Ben Greear <greearb@candelatech.com>

- time_t-fixes: remove typecasts to 'long' for info.filetime
 
 They're now wrong.
 
 Reported-by: Michael Kaufmann
 
 Closes #2277

- curl_setup: move the precautionary define of SIZEOF_TIME_T
 
 ... up to before it may be used for the TIME_T_MAX/MIN logic.
 
 Reported-by: Michael Kaufmann

- parsedate: s/#if/#ifdef
 
 Reported-by: Michael Kaufmann
 Bug: https://github.com/curl/curl/commit/1c39128d974666107fc6d9ea15f294036851f224#commitcomment-27246479

Patrick Monnerat (31 Jan 2018)
- fnmatch: pattern syntax can no longer fail
 
 Whenever an expected pattern syntax rule cannot be matched, the
 character starting the rule loses its special meaning and the parsing
 is resumed:
 - backslash at the end of pattern string matches itself.
 - Error in [:keyword:] results in set containing :\[dekorwy.
 
 Unit test 1307 updated for this new situation.
 
 Closes #2273

- fnmatch: accept an alphanum to be followed by a non-alphanum in char set
 
 Also be more tolerant about set pattern syntax.
 Update unit test 1307 accordingly.
 
 Bug: https://curl.haxx.se/mail/lib-2018-01/0114.html

- fnmatch: do not match the empty string with a character set

Jay Satiro (30 Jan 2018)
- build: fix windows build methods for curl_ctype.c
 
 - Fix winbuild and the VS project generator to treat curl_ctype.{c,h} as
 curlx files since they are required by both src and lib.
 
 Follow-up to 4272a0b which added curl_ctype.

Daniel Stenberg (30 Jan 2018)
- progress-bar.d: update to match implementation
 
 ... since commit 993dd5651a6
 
 Reported-by: Martin Dreher
 Bug: https://github.com/curl/curl/pull/2242#issuecomment-361059228
 
 Closes #2271

- http2: set DEBUG_HTTP2 to enable more HTTP/2 logging
 
 ... instead of doing it unconditionally in debug builds. It cluttered up
 the output a little too much.

- [Max Dymond brought this change]

 file: Check the return code from Curl_range and bail out on error

- [Max Dymond brought this change]

 Curl_range: add check to ensure "from <= to"

- [Max Dymond brought this change]

 Curl_range: commonize FTP and FILE range handling
 
 Closes #2205

- RELEASE-NOTES: synced with 811beab9f

- curlver: next release will be 7.59.0

- [Michał Janiszewski brought this change]

 curl/curl.h: fix comment typo for CURLOPT_DNS_LOCAL_IP6
 
 Closes #2275

- time: support > year 2038 time stamps for system with 32bit long
 
 ... with the introduction of CURLOPT_TIMEVALUE_LARGE and
 CURLINFO_FILETIME_T.
 
 Fixes #2238
 Closes #2264

- curl_easy_reset: clear digest auth state
 
 Bug: https://curl.haxx.se/mail/lib-2018-01/0074.html
 Reported-by: Ruurd Beerstra
 Fixes #2255
 Closes #2272

- [Adam Marcionek brought this change]

 winbuild: make linker generate proper PDB
 
 Link.exe requires /DEBUG to properly generate a full pdb file on release
 builds.
 
 Closes #2274

- curl: add --proxy-pinnedpubkey
 
 To verify a proxy's public key. For when using HTTPS proxies.
 
 Fixes #2192
 Closes #2268

- configure: set PATH_SEPARATOR to colon for PATH w/o separator
 
 The logic tries to figure out what the path separator in the $PATH
 variable is, but if there's only one directory in the $PATH it
 fails. This change make configure *guess* on colon instead of erroring
 out, simply because that is probably the more common character.
 
 PATH_SEPARATOR can always be set by the user to override the guessing.
 
 (tricky bug to reproduce, as in my case for example the configure script
 requires binaries in more than one directory so passing in a PATH with a
 single dir fails.)
 
 Reported-by: Earnestly on github
 Fixes #2202
 Closes #2265

- curl_ctype: private is*() type macros and functions
 
 ... since the libc provided one are locale dependent in a way we don't
 want. Also, the "native" isalnum() (for example) works differently on
 different platforms which caused test 1307 failures on macos only.
 
 Closes #2269

Marcel Raad (29 Jan 2018)
- build: open VC15 projects with VS 2017
 
 Previously, they were opened with Visual Studio 2015 by default, which
 cannot build them.

Daniel Stenberg (29 Jan 2018)
- RELEASE-NOTES: synced with 094647fca

- TODO: UTF-8 filenames in Content-Disposition
 
 Closes #1888

- KNOWN_BUGS: DICT responses show the underlying protocol
 
 Closes #1809

Jay Satiro (27 Jan 2018)
- [Alessandro Ghedini brought this change]

 docs: fix typos in man pages
 
 Closes https://github.com/curl/curl/pull/2266

Patrick Monnerat (26 Jan 2018)
- lib555: drop text conversion and encode data as ascii codes
 
 If CURL_DOES_CONVERSION is enabled, uploaded LFs are mapped to CRLFs,
 giving a result that is different from what is expected.
 This commit avoids using CURLOPT_TRANSFERTEXT and directly encodes data
 to upload in ascii.
 
 Bug: https://github.com/curl/curl/pull/1872

Daniel Stenberg (26 Jan 2018)
- lib517: make variable static to avoid compiler warning
 
 ... with clang on macos

Patrick Monnerat (26 Jan 2018)
- lib544: sync ascii code data with textual data
 
 Data mismatch caused test 545 to fail when character encoding
 conversion is enabled.
 
 Bug: https://github.com/curl/curl/pull/1872

Daniel Stenberg (25 Jan 2018)
- [Travis Burtrum brought this change]

 GSKit: restore pinnedpubkey functionality
 
 inadvertently removed in 283babfaf8d8f3bab9d3c63cea94eb0b84e79c37
 
 Closes #2263

- [Dair Grant brought this change]

 darwinssl: Don't import client certificates into Keychain on macOS
 
 Closes #2085

- configure: fix the check for unsigned time_t
 
 Assign the time_t variable negative value and then check if it is
 greater than zero, which will evaluate true for unsigned time_t but
 false for signed time_t.

- parsedate: fix date parsing for systems with 32 bit long
 
 Make curl_getdate() handle dates before 1970 as well (returning negative
 values).
 
 Make test 517 test dates for 64 bit time_t.
 
 This fixes bug (3) mentioned in #2238
 
 Closes #2250

- [McDonough, Tim brought this change]

 openssl: fix pinned public key build error in FIPS mode
 
 Here is a version that should work with all versions of openssl 0.9.7
 through 1.1.0.
 
 Links to the docs:
 https://www.openssl.org/docs/man1.0.2/crypto/EVP_DigestInit.html
 https://www.openssl.org/docs/man1.1.0/crypto/EVP_DigestInit.html
 
 At the very bottom of the 1.1.0 documentation there is a history section
 that states, " stack allocated EVP_MD_CTXs are no longer supported."
 
 If EVP_MD_CTX_create and EVP_MD_CTX_destroy are not defined, then a
 simple mapping can be used as described here:
 https://wiki.openssl.org/index.php/Talk:OpenSSL_1.1.0_Changes
 
 Closes #2258

- [Travis Burtrum brought this change]

 SChannel/WinSSL: Replace Curl_none_md5sum with Curl_schannel_md5sum

- [Travis Burtrum brought this change]

 SChannel/WinSSL: Implement public key pinning
 
 Closes #1429

- bump: towards 7.58.1

- cookies: remove verbose "cookie size:" output
 
 It was once used for some debugging/verifying logic but should never have
 ended up in git!

- TODO: hardcode the "localhost" addresses

- TODO: CURL_REFUSE_CLEARTEXT
 
 An idea that popped up in discussions on twitter.

- progress-bar: don't use stderr explicitly, use bar->out
 
 Reported-By: Gisle Vanem
 Bug: https://github.com/curl/curl/commit/993dd5651a6c853bfe3870f6a69c7b329fa4e8ce#commitcomment-27070080

GitHub (24 Jan 2018)
- [Gisle Vanem brought this change]

 Fixes for MSDOS etc.
 
 djgpp do have 'mkdir(dir, mode)'. Other DOS-compilers does not
 But djgpp seems the only choice for MSDOS anyway.
 
 PellesC do have a 'F_OK' defined in it's <unistd.h>.
 
 Update year in Copyright.

- [Gisle Vanem brought this change]

 Fix small typo.

Version 7.58.0 (23 Jan 2018)

Daniel Stenberg (23 Jan 2018)
- RELEASE: 7.58.0

- [Gisle Vanem brought this change]

 progress-bar: get screen width on windows

- test1454: --connect-to with IPv6 address w/o IPv6 support!

- CONNECT_TO: fail attempt to set an IPv6 numerical without IPv6 support
 
 Bug: https://curl.haxx.se/mail/lib-2018-01/0087.html
 Reported-by: John Hascall
 
 Closes #2257

- docs: fix man page syntax to make test 1140 OK again

- http: prevent custom Authorization headers in redirects
 
 ... unless CURLOPT_UNRESTRICTED_AUTH is set to allow them. This matches how
 curl already handles Authorization headers created internally.
 
 Note: this changes behavior slightly, for the sake of reducing mistakes.
 
 Added test 317 and 318 to verify.
 
 Reported-by: Craig de Stigter
 Bug: https://curl.haxx.se/docs/adv_2018-b3bf.html

- curl: progress bar refresh, get width using ioctl()
 
 Get screen width from the environment variable COLUMNS first, if set. If
 not, use ioctl(). If nether works, assume 79.
 
 Closes #2242
 
 The "refresh" is for the -# output when no total transfer size is
 known. It will now only use a single updated line even for this case:
 
 The "-=O=-" ship moves when data is transferred. The four flying
 "hashes" move (on a sine wave) on each refresh, independent of data.

- RELEASE-NOTES: synced with bb0ffcc36

- libcurl-env.3: first take

- TODO: two possible name resolver improvements

- [Kartik Mahajan brought this change]

 http2: don't close connection when single transfer is stopped
 
 Fixes #2237
 Closes #2249

- test558: fix for multissl builds
 
 vtls.c:multissl_init() might do a curl_free() call so strip that out to
 make this work with more builds. We just want to verify that
 memorytracking works so skipping one line is no harm.

- examples/url2file.c: add missing curl_global_cleanup() call
 
 Reported-by: XhstormR on github
 Fixes #2245

- [Michael Gmelin brought this change]

 SSH: Fix state machine for ssh-agent authentication
 
 In case an identity didn't match[0], the state machine would fail in
 state SSH_AUTH_AGENT instead of progressing to the next identity in
 ssh-agent. As a result, ssh-agent authentication only worked if the
 identity required happened to be the first added to ssh-agent.
 
 This was introduced as part of commit c4eb10e2f06fbd6cc904f1d78e4, which
 stated that the "else" statement was required to prevent getting stuck
 in state SSH_AUTH_AGENT. Given the state machine's logic and libssh2's
 interface I couldn't see how this could happen or reproduce it and I
 also couldn't find a more detailed description of the problem which
 would explain a test case to reproduce the problem this was supposed to
 fix.
 
 [0] libssh2_agent_userauth returning LIBSSH2_ERROR_AUTHENTICATION_FAILED
 
 Closes #2248

- openssl: fix potential memory leak in SSLKEYLOGFILE logic
 
 Coverity CID 1427646.

- openssl: fix the libressl build again
 
 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

- unit1307: test many wildcards too

- curl_fnmatch: only allow 5 '*' sections in a single pattern
 
 ... to avoid excessive recursive calls. The number 5 is totally
 arbitrary and could be modified if someone has a good motivation.

- ftp-wildcard: fix matching an empty string with "*[^a]"
 
 .... and avoid advancing the pointer to trigger an out of buffer read.
 
 Detected by OSS-fuzz
 Bug: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5251
 Assisted-by: Max Dymond

- SMB: fix numeric constant suffix and variable types
 
 1. don't use "ULL" suffix since unsupported in older MSVC
 2. use curl_off_t instead of custom long long ifdefs
 3. make get_posix_time() not do unaligned data access
 
 Fixes #2211
 Closes #2240
 Reported-by: Chester Liu

- [rouzier brought this change]

 CURLOPT_TCP_NODELAY.3: fix typo
 
 Closes #2239

- smtp/pop3/imap_get_message: decrease the data length too...
 
 Follow-up commit to 615edc1f73 which was incomplete.
 
 Assisted-by: Max Dymond
 Detected by OSS-fuzz
 Bug: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5206

- openssl: enable SSLKEYLOGFILE support by default
 
 Fixes #2210
 Closes #2236

Patrick Monnerat (14 Jan 2018)
- mime: clone mime tree upon easy handle duplication.
 
 A mime tree attached to an easy handle using CURLOPT_MIMEPOST is
 strongly bound to the handle: there is a pointer to the easy handle in
 each item of the mime tree and following the parent pointer list
 of mime items ends in a dummy part stored within the handle.
 
 Because of this binding, a mime tree cannot be shared between different
 easy handles, thus it needs to be cloned upon easy handle duplication.
 
 There is no way for the caller to get the duplicated mime tree
 handle: it is then set to be automatically destroyed upon freeing the
 new easy handle.
 
 New test 654 checks proper mime structure duplication/release.
 
 Add a warning note in curl_mime_data_cb() documentation about sharing
 user data between duplicated handles.
 
 Closes #2235

- docs: comment about CURLE_READ_ERROR returned by curl_mime_filedata

Daniel Stenberg (13 Jan 2018)
- test395: HTTP with overflow Content-Length value

- test394: verify abort of rubbish in Content-Length: value

- test393: verify --max-filesize with excessive Content-Length

- HTTP: bail out on negative Content-Length: values
 
 ... and make the max filesize check trigger if the value is too big.
 
 Updates test 178.
 
 Reported-by: Brad Spencer
 Fixes #2212
 Closes #2223

Marcel Raad (13 Jan 2018)
- [Dan Johnson brought this change]

 configure.ac: append extra linker flags instead of prepending them.
 
 Link order should list libraries after the libraries that use them,
 so when we're guessing that we might also need to add -ldl in order
 to use -lssl, we should add -ldl after -lssl.
 
 Closes https://github.com/curl/curl/pull/2234

Daniel Stenberg (13 Jan 2018)
- RELEASE-NOTES: synced with 6fa10c8fa

Jay Satiro (13 Jan 2018)
- setopt: fix SSLVERSION to allow CURL_SSLVERSION_MAX_ values
 
 Broken since f121575 (precedes 7.56.1).
 
 Bug: https://github.com/curl/curl/issues/2225
 Reported-by: cmfrolick@users.noreply.github.com
 
 Closes https://github.com/curl/curl/pull/2227

Patrick Monnerat (13 Jan 2018)
- setopt: reintroduce non-static Curl_vsetopt() for OS400 support
 
 This also upgrades ILE/RPG bindings with latest setopt options.
 
 Reported-By: jonrumsey on github
 Fixes #2230
 Closes #2233

Jay Satiro (11 Jan 2018)
- [Zhouyihai Ding brought this change]

 http2: fix incorrect trailer buffer size
 
 Prior to this change the stored byte count of each trailer was
 miscalculated and 1 less than required. It appears any trailer
 after the first that was passed to Curl_client_write would be truncated
 or corrupted as well as the size. Potentially the size of some
 subsequent trailer could be erroneously extracted from the contents of
 that trailer, and since that size is used by client write an
 out-of-bounds read could occur and cause a crash or be otherwise
 processed by client write.
 
 The bug appears to have been born in 0761a51 (precedes 7.49.0).
 
 Closes https://github.com/curl/curl/pull/2231

- [Basuke Suzuki brought this change]

 easy: fix connection ownership in curl_easy_pause
 
 Before calling Curl_client_chop_write(), change the owner of connection
 to the current Curl_easy handle. This will fix the issue #2217.
 
 Fixes https://github.com/curl/curl/issues/2217
 Closes https://github.com/curl/curl/pull/2221

Daniel Stenberg (9 Jan 2018)
- [Dimitrios Apostolou brought this change]

 system.h: Additionally check __LONG_MAX__ for defining curl_off_t
 
 __SIZEOF_LONG__ was introduced in GCC 4.4, __LONG_MAX__ was introduced
 in GCC 3.3.
 
 Closes #2216

- COPYING: it's 2018!

- progress: calculate transfer speed on milliseconds if possible
 
 to increase accuracy for quick transfers
 
 Fixes #2200
 Closes #2206

Jay Satiro (7 Jan 2018)
- scripts: allow all perl scripts to be run directly
 
 - Enable execute permission (chmod +x)
 
 - Change interpreter to /usr/bin/env perl
 
 Closes https://github.com/curl/curl/pull/2222

- mail-rcpt.d: fix short-text description

- build: remove HAVE_LIMITS_H check
 
 .. 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

- openssl: fix memory leak of SSLKEYLOGFILE filename
 
 - Free the copy of SSLKEYLOGFILE env returned by curl_getenv during ossl
 initialization.
 
 Caught by ASAN.

- Revert "curl/system.h: fix compilation with gcc on AIX PPC and IA64 HP-UX"
 
 This reverts commit c97648b55080343bb371522bf4233e94a2a13a99.
 
 SIZEOF_LONG should not be checked in system.h since that macro is only
 defined when building libcurl.
 
 Ref: https://github.com/curl/curl/pull/2186#issuecomment-354767080
 Ref: https://gcc.gnu.org/onlinedocs/cpp/Common-Predefined-Macros.html

Michael Kaufmann (30 Dec 2017)
- test1554: improve the error handling

- test1554: add global initialization and cleanup

Daniel Stenberg (29 Dec 2017)
- curl_version_info.3: call the argument 'age'
 
 Reported-by: Pete Lomax
 Bug: https://curl.haxx.se/mail/lib-2017-12/0074.html

Patrick Monnerat (27 Dec 2017)
- [Mikalai Ananenka brought this change]

 brotli: data at the end of content can be lost
 
 Decoding loop implementation did not concern the case when all
 received data is consumed by Brotli decoder and the size of decoded
 data internally hold by Brotli decoder is greater than CURL_MAX_WRITE_SIZE.
 For content with unencoded length greater than CURL_MAX_WRITE_SIZE this
 can result in the loss of data at the end of content.
 
 Closes #2194

Jay Satiro (26 Dec 2017)
- examples/cacertinmem: ignore cert-already-exists error
 
 - Ignore X509_R_CERT_ALREADY_IN_HASH_TABLE errors in the CTX callback
 since it's possible the cert may have already been loaded by libcurl.
 
 - Remove the EXAMPLE code in the CURLOPT_SSL_CTX_FUNCTION.3 doc.
 Instead have it direct the reader to this cacertinmem.c example.
 
 - Fix the CA certificate to use the right CA for example.com, Digicert.
 
 Bug: https://curl.haxx.se/mail/lib-2017-12/0057.html
 Reported-by: Thomas van Hesteren
 
 Closes https://github.com/curl/curl/pull/2182

- [Gisle Vanem brought this change]

 tool_getparam: Support size modifiers for --max-filesize
 
 - Move the size modifier detection code from limit-rate to its own
 function so that it can also be used with max-filesize.
 
 Size modifiers are the suffixes such as G (gigabyte), M (megabyte) etc.
 
 For example --max-filesize 1G
 
 Ref: https://curl.haxx.se/mail/archive-2017-12/0000.html
 
 Closes https://github.com/curl/curl/pull/2179

Steve Holme (22 Dec 2017)
- build: Fixed incorrect script termination from commit ad1dc10e61

- Makefile.vc: Added our standard copyright header

- winbuild: Added support for VC15

- build: Added Visual Studio 2017 project files

- build-wolfssl.bat: Added support for VC15

- build-openssl.bat: Added support for VC15

Jay Satiro (22 Dec 2017)
- [Dimitrios Apostolou brought this change]

 curl/system.h: fix compilation with gcc on AIX PPC and IA64 HP-UX
 
 Closes https://github.com/curl/curl/pull/2186

- [Mattias Fornander brought this change]

 examples/rtsp: fix error handling macros
 
 Closes https://github.com/curl/curl/pull/2185

Patrick Monnerat (20 Dec 2017)
- curl_easy_reset: release mime-related data.
 
 Move curl_mime_initpart() and curl_mime_cleanpart() calls to lower-level
 functions dealing with UserDefined structure contents.
 This avoids memory leakages on curl-generated part mime headers.
 New test 2073 checks this using the cli tool --next option: it
 triggers a valgrind error if bug is present.
 
 Bug: https://curl.haxx.se/mail/lib-2017-12/0060.html
 Reported-by: Martin Galvan

- content_encoding: rework zlib_inflate
 
 - When zlib version is < 1.2.0.4, process gzip trailer before considering
 extra data as an error.
 - Inflate with Z_BLOCK instead of Z_SYNC_FLUSH to maximize correct data
 and minimize corrupt data output.
 - Do not try to restart deflate decompression in raw mode if output has
 started or if the leading data is not available anymore.
 - New test 232 checks inflating raw-deflated content.
 
 Closes #2068

- brotli: allow compiling with version 0.6.0.
 
 Some error codes were not yet defined in brotli 0.6.0: do not issue code
 for them in this case.

Daniel Stenberg (13 Dec 2017)
- CURLOPT_READFUNCTION.3: refer to argument with correct name
 
 Bug: #2175
 
 [ci skip]

- rand: add a clang-analyzer work-around
 
 scan-build would warn on a potential access of an uninitialized
 buffer. I deem it a false positive and had to add this somewhat ugly
 work-around to silence it.

- krb5: fix a potential access of uninitialized memory
 
 A scan-build warning.

- conncache: fix a return code [regression]
 
 This broke in 07cb27c98e. Make sure to return 'result' properly. Pointed
 out by scan-build!

- curl: support >256 bytes warning messsages
 
 Bug: #2174

Michael Kaufmann (12 Dec 2017)
- libssh: fix a syntax error in configure.ac
 
 Follow-up to c92d2e1
 
 Closes #2172

Daniel Stenberg (12 Dec 2017)
- examples/smtp-mail.c: use separate defines for options and mail
 
 ... to make it clearer that the options want address-only, while the
 headers in an email can also have the real name.
 
 Assisted-by: Sean MacLennan

- THANKS: added missing names
 
 ... as I reran the contrithanks script after the mailmap name fixups.

- mailmap: added/clarified several names

- setopt: less *or equal* than INT_MAX/1000 should be fine
 
 ... for the CURLOPT_TIMEOUT, CURLOPT_CONNECTTIMEOUT and
 CURLOPT_SERVER_RESPONSE_TIMEOUT range checks.
 
 Reported-by: Dominik Hölzl
 Bug: https://curl.haxx.se/mail/lib-2017-12/0037.html
 
 Closes #2173

- [Dmitry Kostjuchenko brought this change]

 vtls: replaced getenv() with curl_getenv()
 
 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

- RELEASE-NOTES: synced with 3b9ea70ee

- TODO: Expose tried IP addresses that failed
 
 Suggested-by: Rainer Canavan
 
 Closes #2126

- curl.1: mention http:// and https:// as valid proxy prefixes

- curl.1: documented two missing valid exit codes

- CURLOPT_DNS_LOCAL_IP4.3: fixed the seel also to not self-reference

- Revert "curl: don't set CURLOPT_INTERLEAVEDATA"
 
 This reverts commit 9ffad8eb1329bb35c8988115ac7ed85cf91ef955.
 
 It was actually added rather recently in 8e8afa82cbb629 due to a crash
 that would otherwise happen in the RTSP code. As I don't think we've
 fixed that behavior yet, we better keep this work-around until we have
 fixed it better.

Michael Kaufmann (10 Dec 2017)
- tests: mark data files as non-executable in git

- tests: update .gitignore for libtests

Daniel Stenberg (10 Dec 2017)
- multi_done: prune DNS cache
 
 Prune the DNS cache immediately after the dns entry is unlocked in
 multi_done. Timed out entries will then get discarded in a more orderly
 fashion.
 
 Test506 is updated
 
 Reported-by: Oleg Pudeyev
 
 Fixes #2169
 Closes #2170

- mailmap: fixup two old git Author "aliases"

Jay Satiro (10 Dec 2017)
- openssl: Disable file buffering for Win32 SSLKEYLOGFILE
 
 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

Daniel Stenberg (10 Dec 2017)
- RESOLVE: output verbose text when trying to set a duplicate name
 
 ... to help users understand what is or isn't done!

- CURLOPT_DNS_CACHE_TIMEOUT.3: see also CURLOPT_RESOLVE

- [John DeHelian brought this change]

 sftp: allow quoted commands to use relative paths
 
 Closes #1900

Jay Satiro (8 Dec 2017)
- [Richard Alcock brought this change]

 CURLOPT_PRIVATE.3: fix grammar
 
 - Change "never does nothing" double-negative to "never does anything".
 
 Closes https://github.com/curl/curl/pull/2168

Daniel Stenberg (8 Dec 2017)
- curl: remove __EMX__ #ifdefs
 
 These are OS/2-specific things added to the code in the year 2000. They
 were always ugly. If there's any user left, they still don't need it
 done this way.
 
 Closes #2166

Jay Satiro (8 Dec 2017)
- openssl: improve data-pending check for https proxy
 
 - 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

Daniel Stenberg (8 Dec 2017)
- curl: don't set CURLOPT_INTERLEAVEDATA
 
 That data is only ever used by the CURLOPT_INTERLEAVEFUNCTION callback
 and that option isn't set or used by the curl tool!
 
 Updates the 9 tests that verify --libcurl
 
 Closes #2167

- curl.h: remove incorrect comment about ERRORBUFFER
 
 ... error messages are _not_ sent to stderr if this is not set.

- [Michael Felt brought this change]

 configure: add AX_CODE_COVERAGE only if using gcc
 
 Fixes #2076
 Closes #2125

- curl: limit -# update frequency for unknown total size
 
 Make it use a max 10Hz update frequency for this case as well. Return
 early if the "point" hasn't moved since last invoke.
 
 Reported-by: Elliot Saba
 
 Fixes #2158
 Closes #2163

- BINDINGS: another PostgreSQL client
 
 ...the former link is dead.
 
 Reported-by: Frank Gevaerts

- [Zachary Seguin brought this change]

 CONNECT: keep close connection flag in http_connect_state struct
 
 Fixes #2088
 Closes #2157

- [Per Malmberg brought this change]

 include: get netinet/in.h before linux/tcp.h
 
 ... to allow build on older Linux dists (specifically CentOS 4.8 on gcc
 4.8.5)
 
 Closes #2160

- openldap: fix checksrc nits

- [Stepan Broz brought this change]

 openldap: add commented out debug possibilities
 
 ... to aid debugging openldap library using its built-in debug messages.
 
 Closes #2159

- examples: move threaded-shared-conn.c to the "complicated" ones
 
 ... due it relying on pthreads to link.

- RELEASE-NOTES: synced with b261c44e8
 
 ... and bump next release version to 7.58.0

- [Jan Ehrhardt brought this change]

 URL: tolerate backslash after drive letter for FILE:
 
 ... as in "file://c:\some\path\curl.out"
 
 Reviewed-by: Matthew Kerwin
 Closes #2154

- [Randall S. Becker brought this change]

 tests: added netinet/in6.h includes in test servers

- [Randall S. Becker brought this change]

 configure: check for netinet/in6.h
 
 Needed by HPE NonStop NSE and NSX systems
 
 Fixes #2146
 Closes #2155

- curl-config: add --ssl-backends
 
 Lists all SSL backends that were enabled at build-time.
 
 Suggested-by: Oleg Pudeyev
 Fixes #2128

- conncache: only allow multiplexing within same multi handle
 
 Connections that are used for HTTP/1.1 Pipelining or HTTP/2 multiplexing
 only get additional transfers added to them if the existing connection
 is held by the same multi or easy handle. libcurl does not support doing
 HTTP/2 streams in different threads using a shared connection.
 
 Closes #2152

- threaded-shared-conn.c: fixed typo in commenta

- threaded-shared-conn.c: new example

- conncache: fix several lock issues
 
 If the lock is released before the dealings with the bundle is over, it may
 have changed by another thread in the mean time.
 
 Fixes #2132
 Fixes #2151
 Closes #2139

- libssh: remove dead code in sftp_qoute
 
 ... by removing a superfluous NULL pointer check that also confuses
 Coverity.
 
 Fixes #2143
 Closes #2153

- sasl_getmesssage: make sure we have a long enough string to pass
 
 For pop3/imap/smtp, added test 891 to somewhat verify the pop3
 case.
 
 For this, I enhanced the pingpong test server to be able to send back
 responses with LF-only instead of always using CRLF.
 
 Closes #2150

- libssh2: remove dead code from SSH_SFTP_QUOTE
 
 Figured out while reviewing code in the libssh backend. The pointer was
 checked for NULL after having been dereferenced, so we know it would
 always equal true or it would've crashed.
 
 Pointed-out-by: Nikos Mavrogiannopoulos
 
 Bug #2143
 Closes #2148

- ssh-libssh.c: please checksrc

Nikos Mavrogiannopoulos (4 Dec 2017)
- libssh: fixed dereference in statvfs access
 
 The behavior is now equivalent to ssh.c when SSH_SFTP_QUOTE_STATVFS
 handling fails.
 
 Fixes #2142

Daniel Stenberg (4 Dec 2017)
- [Guitared brought this change]

 RESOURCES: update spec names
 
 Closes #2145

Nikos Mavrogiannopoulos (3 Dec 2017)
- libssh: corrected use of sftp_statvfs() in SSH_SFTP_QUOTE_STATVFS
 
 The previous code was incorrectly following the libssh2 error detection
 for libssh2_sftp_statvfs, which is not correct for libssh's sftp_statvfs.
 
 Fixes #2142
 
 Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>

- libssh: no need to call sftp_get_error as ssh_get_error is sufficient
 
 Fixes #2141
 
 Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>

Daniel Stenberg (2 Dec 2017)
- libssh: fix minor static code analyzer nits
 
 - remove superfluous NULL check which otherwise tricks the static code
 analyzers to assume NULL pointer dereferences.
 
 - fix fallthrough in switch()
 
 - indent mistake

- openssl: pkcs12 is supported by boringssl
 
 Removes another #ifdef for BoringSSL
 
 Pointed-out-by: David Benjamin
 
 Closes #2134

- [Jay Satiro brought this change]

 travis: use pip2 instead of pip
 
 .. since now mac osx image expects pip2 or pip3, and doesn't know pip:
 
 0.01s$ pip install --user cpp-coveralls
 /Users/travis/.travis/job_stages: line 57: pip: command not found
 
 Ref: https://github.com/travis-ci/travis-ci/issues/8829
 
 Closes https://github.com/curl/curl/pull/2133

- [Nikos Mavrogiannopoulos brought this change]

 lib582: do not verify host for SFTP
 
 This SFTP test fails with libssh back-end due to failure to verify
 the peer. Disable peer verification in the test as there seems to
 be the intention of the test.
 
 Note that the libssh back-end automatically verifies the peer's
 host using the default known_hosts file.
 
 Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>

- [Nikos Mavrogiannopoulos brought this change]

 libssh: added SFTP support
 
 The SFTP back-end supports asynchronous reading only, limited
 to 32-bit file length. Writing is synchronous with no other
 limitations.
 
 This also brings keyboard-interactive authentication.
 
 Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>

- [Nikos Mavrogiannopoulos brought this change]

 symbols-in-versions: added new symbols with 7.56.3 version
 
 Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>

- [Nikos Mavrogiannopoulos brought this change]

 .travis.yml: added build --with-libssh
 
 Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>

- [Nikos Mavrogiannopoulos brought this change]

 libssh2: return CURLE_UPLOAD_FAILED on failure to upload
 
 This brings its in sync with the error code returned by the
 libssh backend.
 
 Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>

- [Nikos Mavrogiannopoulos brought this change]

 libssh2: send the correct CURLE error code on scp file not found
 
 That also updates tests to expect the right error code
 
 libssh2 back-end returns CURLE_SSH error if the remote file
 is not found. Expect instead CURLE_REMOTE_FILE_NOT_FOUND
 which is sent by the libssh backend.
 
 Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>

- [Nikos Mavrogiannopoulos brought this change]

 Added support for libssh SSH SCP back-end
 
 libssh is an alternative library to libssh2.
 https://www.libssh.org/
 
 That patch set also introduces support for ECDSA
 ed25519 keys, as well as gssapi authentication.
 
 Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>

- RELEASE-NOTES: synced with af8cc7a69

- curlver: towards 7.57.1

- [W. Mark Kubacki brought this change]

 lib: don't export all symbols, just everything curl_*
 
 Absent any 'symbol map' or script to limit what gets exported, static
 linking of libraries previously resulted in a libcurl with curl's and
 those other symbols being (re-)exported.
 
 This did not happen if 'versioned symbols' were enabled (which is not
 the default) because then a version script is employed.
 
 This limits exports to everything starting in 'curl_*'., which is
 what "libcurl.vers" exports.
 
 This avoids strange side-effects such as with mixing methods
 from system libraries and those erroneously offered by libcurl.
 
 Closes #2127

- [Johannes Schindelin brought this change]

 SSL: Avoid magic allocation of SSL backend specific data
 
 Originally, my idea was to allocate the two structures (or more
 precisely, the connectdata structure and the four SSL backend-specific
 strucutres required for ssl[0..1] and proxy_ssl[0..1]) in one go, so
 that they all could be free()d together.
 
 However, getting the alignment right is tricky. Too tricky.
 
 So let's just bite the bullet and allocate the SSL backend-specific
 data separately.
 
 As a consequence, we now have to be very careful to release the memory
 allocated for the SSL backend-specific data whenever we release any
 connectdata.
 
 Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
 
 Closes #2119

- examples/xmlstream.c: don't switch off CURL_GLOBAL_SSL
 
 Reported-by: Dima Tisnek

- travis: add boringssl build
 
 Uses a separate build without --enable-debug and no valgrind.
 
 The debug option causes far too many warnings in boringssl's headers
 (C++ comments, trailing commas etc). Valgrind triggers some false
 positive errors in thread-local data used by boringssl.
 
 Closes #2118

Version 7.57.0 (29 Nov 2017)

Daniel Stenberg (29 Nov 2017)
- RELEASE-NOTES: curl 7.57.0

- THANKS: added contributors from 7.57.0 release

- openssl: fix boringssl build again
 
 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

- curl_ntlm_core.c: use the limits.h's SIZE_T_MAX if provided

- libcurl-share.3: the connection cache is shareable now

- global_init: ignore CURL_GLOBAL_SSL's absense
 
 This bit is no longer used. It is not clear what it meant for users to
 "init the TLS" in a world with different TLS backends and since the
 introduction of multissl, libcurl didn't properly work if inited without
 this bit set.
 
 Not a single user responded to the call for users of it:
 https://curl.haxx.se/mail/lib-2017-11/0072.html
 
 Reported-by: Evgeny Grin
 Assisted-by: Jay Satiro
 
 Fixes #2089
 Fixes #2083
 Closes #2107

- ntlm: avoid integer overflow for malloc size
 
 Reported-by: Alex Nichols
 Assisted-by: Kamil Dudka and Max Dymond
 
 CVE-2017-8816
 
 Bug: https://curl.haxx.se/docs/adv_2017-11e7.html

- wildcardmatch: fix heap buffer overflow in setcharset
 
 The code would previous read beyond the end of the pattern string if the
 match pattern ends with an open bracket when the default pattern
 matching function is used.
 
 Detected by OSS-Fuzz:
 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=4161
 
 CVE-2017-8817
 
 Bug: https://curl.haxx.se/docs/adv_2017-ae72.html

- [Jay Satiro brought this change]

 url: fix alignment of ssl_backend_data struct
 
 - Align the array of ssl_backend_data on a max 32 byte boundary.
 
 8 is likely to be ok but I went with 32 for posterity should one of
 the ssl_backend_data structs change to contain a larger sized variable
 in the future.
 
 Prior to this change (since dev 70f1db3, release 7.56) the connectdata
 structure was undersized by 4 bytes in 32-bit builds with ssl enabled
 because long long * was mistakenly used for alignment instead of
 long long, with the intention being an 8 byte boundary. Also long long
 may not be an available type.
 
 The undersized connectdata could lead to oob read/write past the end in
 what was expected to be the last 4 bytes of the connection's secondary
 socket https proxy ssl_backend_data struct (the secondary socket in a
 connection is used by ftp, others?).
 
 Closes https://github.com/curl/curl/issues/2093
 
 CVE-2017-8818
 
 Bug: https://curl.haxx.se/docs/adv_2017-af0a.html

- ssh: remove check for a NULL pointer (!)
 
 With this check present, scan-build warns that we might dereference this
 point in other places where it isn't first checked for NULL. Thus, if it
 *can* be NULL we have a problem on a few places. However, this pointer
 should not be possible to be NULL here so I remove the check and thus
 also three different scan-build warnings.
 
 Closes #2111

- [Matthew Kerwin brought this change]

 test: add test for bad UNC/SMB path in file: URL

- [Matthew Kerwin brought this change]

 test: add tests to ensure basic file: URLs

- [Matthew Kerwin brought this change]

 URL: update "file:" URL handling
 
 * LOTS of comment updates
 * explicit error for SMB shares (e.g. "file:////share/path/file")
 * more strict handling of authority (i.e. "//localhost/")
 * now accepts dodgy old "C:|" drive letters
 * more precise handling of drive letters in and out of Windows
 (especially recognising both "file:c:/" and "file:/c:/")
 
 Closes #2110

- metalink: fix memory-leak and NULL pointer dereference
 
 Reported by scan-build
 
 Closes #2109

- [Alessandro Ghedini brought this change]

 connect: add support for new TCP Fast Open API on Linux
 
 The new API added in Linux 4.11 only requires setting a socket option
 before connecting, without the whole sento() machinery.
 
 Notably, this makes it possible to use TFO with SSL connections on Linux
 as well, without the need to mess around with OpenSSL (or whatever other
 SSL library) internals.
 
 Closes #2056

- make: fix "make distclean"
 
 Fixes #2097
 Closes #2108

- RELEASE-NOTES: synced with 31f18d272

Jay Satiro (23 Nov 2017)
- connect: improve the bind error message
 
 eg consider a non-existent interface eth8, curl --interface eth8
 
 Before: curl: (45) Could not resolve host: eth8
 After: curl: (45) Couldn't bind to 'eth8'
 
 Bug: https://github.com/curl/curl/issues/2104
 Reported-by: Alfonso Martone

Daniel Stenberg (23 Nov 2017)
- examples/rtsp: clear RANGE again after use
 
 Fixes #2106
 Reported-by: youngchopin on github

- [Michael Kaufmann brought this change]

 test1264: verify URL with space in host name being rejected

- url: reject ASCII control characters and space in host names
 
 Host names like "127.0.0.1 moo" would otherwise be accepted by some
 getaddrinfo() implementations.
 
 Updated test 1034 and 1035 accordingly.
 
 Fixes #2073
 Closes #2092

- Curl_open: fix OOM return error correctly
 
 Closes #2098

- http2: fix "Value stored to 'end' is never read" scan-build error

- http2: fix "Value stored to 'hdbuf' is never read" scan-build error

- openssl: fix "Value stored to 'rc' is never read" scan-build error

- mime: fix "Value stored to 'sz' is never read" scan-build error

- Curl_llist_remove: fix potential NULL pointer deref
 
 Fixes a scan-build warning.

- ntlm: remove unnecessary NULL-check to please scan-build

- BUGS: spellchecked

Jay Satiro (18 Nov 2017)
- [fmmedeiros brought this change]

 examples/curlx: Fix code style
 
 - Add braces around multi-line if statement.
 
 Closes https://github.com/curl/curl/pull/2096

Daniel Stenberg (17 Nov 2017)
- resolve: allow IP address within [] brackets
 
 ... so that IPv6 addresses can be passed like they can for connect-to
 and how they're used in URLs.
 
 Added test 1324 to verify
 Reported-by: Alex Malinovich
 
 Fixes #2087
 Closes #2091

- [Pavol Markovic brought this change]

 macOS: Fix missing connectx function with Xcode version older than 9.0
 
 The previous fix https://github.com/curl/curl/pull/1788 worked just for
 Xcode 9. This commit extends the fix to older Xcode versions effectively
 by not using connectx function.
 
 Fixes https://github.com/curl/curl/issues/1330
 Fixes https://github.com/curl/curl/issues/2080
 Closes https://github.com/curl/curl/pull/1336
 Closes #2082

- [Dirk Feytons brought this change]

 openssl: fix too broad use of HAVE_OPAQUE_EVP_PKEY
 
 Fixes #2079
 Closes #2081

- TODO: ignore private IP addresses in PASV response
 
 Closes #1455

- RELEASE-NOTES: synced with ae7369b6d

Michael Kaufmann (14 Nov 2017)
- URL: return error on malformed URLs with junk after IPv6 bracket
 
 Follow-up to aadb7c7. Verified by new test 1263.
 
 Closes #2072

Daniel Stenberg (14 Nov 2017)
- INTERNALS: we may use libidn2 now, not libidn

Patrick Monnerat (13 Nov 2017)
- zlib/brotli: only include header files in modules needing them
 
 There is a conflict on symbol 'free_func' between openssl/crypto.h and
 zlib.h on AIX. This is an attempt to resolve it.
 
 Bug: https://curl.haxx.se/mail/lib-2017-11/0032.html
 Reported-By: Michael Felt

Daniel Stenberg (13 Nov 2017)
- SMB: fix uninitialized local variable
 
 Reported-by: Brian Carpenter

- [Orgad Shaneh brought this change]

 connect.c: remove executable bit on file
 
 Closes #2071

- [hsiao yi brought this change]

 README.md: fixed layout
 
 Closes #2069

- setopt: split out curl_easy_setopt() to its own file
 
 ... to make url.c smaller.
 
 Closes #1944

Jay Satiro (10 Nov 2017)
- [John Starks brought this change]

 cmake: Add missing setmode check
 
 Ensure HAVE_SETMODE is set to 1 on OSes that have setmode. Without this,
 curl will corrupt binary files when writing them to stdout on Windows.
 
 Closes https://github.com/curl/curl/pull/2067

Daniel Stenberg (10 Nov 2017)
- curl_share_setopt: va_end was not called if conncache errors
 
 CID 984459, detected by Coverity

Sergei Nikulov (10 Nov 2017)
- [John Starks brought this change]

 cmake: Correctly include curl.rc in Windows builds (#2064)
 
 Update CMakeLists.txt to add curl.rc to the correct list.

Daniel Stenberg (9 Nov 2017)
- RELEASE-NOTES: synced with 32828cc4f

- [Luca Boccassi brought this change]

 --interface: add support for Linux VRF
 
 The --interface command (CURLOPT_INTERFACE option) already uses
 SO_BINDTODEVICE on Linux, but it tries to parse it as an interface or IP
 address first, which fails in case the user passes a VRF.
 
 Try to use the socket option immediately and parse it as a fallback
 instead. Update the documentation to mention this feature, and that it
 requires the binary to be ran by root or with CAP_NET_RAW capabilities
 for this to work.
 
 Closes #2024

- curl_share_setopt.3: document CURL_LOCK_DATA_CONNECT
 
 Closes #2043

- examples: add shared-connection-cache

- test1554: verify connection cache sharing

- share: add support for sharing the connection cache

- imap: deal with commands case insensitively
 
 As documented in RFC 3501 section 9:
 https://tools.ietf.org/html/rfc3501#section-9
 
 Closes #2061

- connect: store IPv6 connection status after valid connection
 
 ... previously it would store it already in the happy eyeballs stage
 which could lead to the IPv6 bit being set for an IPv4 connection,
 leading to curl not wanting to do EPSV=>PASV for FTP transfers.
 
 Closes #2053

- curl_multi_fdset.3: emphasize curl_multi_timeout
 
 ... even when there's no socket to wait for, the timeout can still be
 very short.

Jay Satiro (9 Nov 2017)
- content_encoding: fix inflate_stream for no bytes available
 
 - Don't call zlib's inflate() when avail_in stream bytes is 0.
 
 This is a follow up to the parent commit 19e66e5. Prior to that change
 libcurl's inflate_stream could call zlib's inflate even when no bytes
 were available, causing inflate to return Z_BUF_ERROR, and then
 inflate_stream would treat that as a hard error and return
 CURLE_BAD_CONTENT_ENCODING.
 
 According to the zlib FAQ, Z_BUF_ERROR is not fatal.
 
 This bug would happen randomly since packet sizes are arbitrary. A test
 of 10,000 transfers had 55 fail (ie 0.55%).
 
 Ref: https://zlib.net/zlib_faq.html#faq05
 
 Closes https://github.com/curl/curl/pull/2060

Patrick Monnerat (7 Nov 2017)
- content_encoding: do not write 0 length data

Daniel Stenberg (6 Nov 2017)
- fnmatch: remove dead code
 
 There was a duplicate check for backslashes in the setcharset()
 function.
 
 Coverity CID 1420611

- url: remove unncessary NULL-check
 
 Since 'conn' won't be NULL in there and we also access the pointer in
 there without the check.
 
 Coverity CID 1420610

Viktor Szakats (6 Nov 2017)
- src/Makefile.m32: fix typo in brotli lib customization
 
 Ref cc1f4436099decb9d1a7034b2bb773a9f8379d31

- Makefile.m32: allow to customize brotli libs
 
 It adds the ability to link against static brotli libs.
 
 Also fix brotli include path.

Patrick Monnerat (5 Nov 2017)
- travis: add a job with brotli enabled

- [Viktor Szakats brought this change]

 Makefile.m32: add brotli support

- HTTP: implement Brotli content encoding
 
 This uses the brotli external library (https://github.com/google/brotli).
 Brotli becomes a feature: additional curl_version_info() bit and
 structure fields are provided for it and CURLVERSION_NOW bumped.
 
 Tests 314 and 315 check Brotli content unencoding with correct and
 erroneous data.
 
 Some tests are updated to accomodate with the now configuration dependent
 parameters of the Accept-Encoding header.

- HTTP: support multiple Content-Encodings
 
 This is implemented as an output streaming stack of unencoders, the last
 calling the client write procedure.
 
 New test 230 checks this feature.
 
 Bug: https://github.com/curl/curl/pull/2002
 Reported-By: Daniel Bankhead

Jay Satiro (4 Nov 2017)
- url: remove arg value check from CURLOPT_SSH_AUTH_TYPES
 
 Since CURLSSH_AUTH_ANY (aka CURLSSH_AUTH_DEFAULT) is ~0 an arg value
 check on this option is incorrect; we have to accept any value.
 
 Prior to this change since f121575 (7.56.1+) CURLOPT_SSH_AUTH_TYPES
 erroneously rejected CURLSSH_AUTH_ANY with CURLE_BAD_FUNCTION_ARGUMENT.
 
 Bug: https://github.com/curl/curl/commit/f121575#commitcomment-25347120

Daniel Stenberg (4 Nov 2017)
- ntlm: avoid malloc(0) for zero length passwords
 
 It triggers an assert() when built with memdebug since malloc(0) may
 return NULL *or* a valid pointer.
 
 Detected by OSS-Fuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=4054
 
 Assisted-by: Max Dymond
 Closes #2054

- RELEASE-NOTES: synced with ee8016b3d

- curl: speed up handling of many URLs
 
 By properly keeping track of the last entry in the list of URLs/uploads
 to handle, curl now avoids many meaningless traverses of the list which
 speeds up many-URL handling *MASSIVELY* (several magnitudes on 100K
 URLs).
 
 Added test 1291, to verify that it doesn't take ages - but we don't have
 any detection of "too slow" command in the test suite.
 
 Reported-by: arainchik on github
 Fixes #1959
 Closes #2052

- curl: pass through [] in URLs instead of calling globbing error
 
 Assisted-by: Per Lundberg
 Fixes #2044
 Closes #2046
 Closes #2048

- CURLOPT_INFILESIZE: accept -1
 
 Regression since f121575
 
 Reported-by: Petr Voytsik
 Fixes #2047

Jay Satiro (2 Nov 2017)
- url: fix CURLOPT_DNS_CACHE_TIMEOUT arg value check to allow -1
 
 Prior to this change since f121575 (7.56.1+) CURLOPT_DNS_CACHE_TIMEOUT
 erroneously rejected -1 with CURLE_BAD_FUNCTION_ARGUMENT.

Dan Fandrich (1 Nov 2017)
- http2: Fixed OOM handling in upgrade request
 
 This caused the torture tests on test 1800 to fail.

- tests: Fixed torture tests on tests 556 and 650
 
 Test cleanup after OOM wasn't being consistently performed.

Daniel Stenberg (1 Nov 2017)
- CURLOPT_MAXREDIRS: allow -1 as a value
 
 ... which is valid according to documentation. Regression since
 f121575c0b5f.
 
 Verified now in test 501.
 
 Reported-by: cbartl on github
 Fixes #2038
 Closes #2039

- include: remove conncache.h inclusion from where its not needed

Jay Satiro (1 Nov 2017)
- url: fix CURLOPT_POSTFIELDSIZE arg value check to allow -1
 
 .. also add same arg value check to CURLOPT_POSTFIELDSIZE_LARGE.
 
 Prior to this change since f121575 (7.56.1+) CURLOPT_POSTFIELDSIZE
 erroneously rejected -1 value with CURLE_BAD_FUNCTION_ARGUMENT.
 
 Bug: https://curl.haxx.se/mail/lib-2017-11/0000.html
 Reported-by: Andrew Lambert

Daniel Stenberg (31 Oct 2017)
- cookie: avoid NULL dereference
 
 ... when expiring old cookies.
 
 Reported-by: Pavel Gushchin
 Fixes #2032
 Closes #2035

Marcel Raad (30 Oct 2017)
- memdebug: use send/recv signature for curl_dosend/curl_dorecv
 
 This avoids build errors and warnings caused by implicit casts.
 
 Closes https://github.com/curl/curl/pull/2031

Daniel Stenberg (30 Oct 2017)
- [Juro Bystricky brought this change]

 mkhelp.pl: support reproducible build
 
 Do not generate line with the current date, such as:
 
 * Generation time: Tue Oct-24 18:01:41 2017
 
 This will improve reproducibility. The generated string is only
 part of a comment, so there should be no adverse consequences.
 
 Signed-off-by: Juro Bystricky <juro.bystricky@intel.com>
 
 closes #2026

Dan Fandrich (30 Oct 2017)
- runtests.pl: Fixed typo in message

Daniel Stenberg (30 Oct 2017)
- curlx: the timeval functions are no longer provided as curlx_*
 
 Pointed-out-by: Dmitri Tikhonov
 Bug: #2034

- select: update comments
 
 s/curlx_tvnow/Curl_now

- INTERNALS: remove curlx_tv* functions no longer provided

- [Dmitri Tikhonov brought this change]

 timeval: use mach time on MacOS
 
 If clock_gettime() is not supported, use mach_absolute_time() on MacOS.
 
 closes #2033

Patrick Monnerat (29 Oct 2017)
- cli tool: improve ";type=" handling in -F option arguments

- cli tool: in -F option arg, comma is a delimiter for files only
 
 Also upgrade test 1133 to cover this case and clarify man page about
 form data quoting.
 
 Bug: https://github.com/curl/curl/issues/2022
 Reported-By: omau on github

Daniel Stenberg (29 Oct 2017)
- timeleft: made two more users of Curl_timeleft use timediff_t

Jakub Zakrzewski (28 Oct 2017)
- cmake: Export libcurl and curl targets to use by other cmake projects
 
 The config files define curl and libcurl targets as imported targets
 CURL::curl and CURL::libcurl. For backward compatibility with CMake-
 provided find-module the CURL_INCLUDE_DIRS and CURL_LIBRARIES are
 also set.
 
 Closes #1879

Daniel Stenberg (28 Oct 2017)
- RELEASE-NOTES: synced with f20cbac97

- [Florin Petriuc brought this change]

 auth: Added test cases for RFC7616
 
 Updated docs to include support for RFC7616
 
 Signed-off-by: Florin <petriuc.florin@gmail.com>
 
 Closes #1934

- [Florin Petriuc brought this change]

 auth: add support for RFC7616 - HTTP Digest access authentication
 
 Signed-off-by: Florin <petriuc.florin@gmail.com>

- [Daniel Bankhead brought this change]

 TODO: support multiple Content-Encodings
 
 Closes #2002

- ROADMAP: cleanup
 
 Removed done stuff. Removed entries no longer considered for the near
 term.

- [Magicansk brought this change]

 ROADMAP.md: spelling fixes
 
 Closes #2028

- Curl_timeleft: change return type to timediff_t
 
 returning 'time_t' is problematic when that type is unsigned and we
 return values less than zero to signal "already expired", used in
 several places in the code.
 
 Closes #2021

- appveyor: add a win32 build

- setopt: fix CURLOPT_SSH_AUTH_TYPES option read
 
 Regression since f121575c0b5f
 
 Reported-by: Rob Cotrone

Marcel Raad (27 Oct 2017)
- resolvers: only include anything if needed
 
 This avoids warnings about unused stuff.
 
 Closes https://github.com/curl/curl/pull/2023

Daniel Stenberg (27 Oct 2017)
- HELP-US: rename the subtitle too since the label is changed
 
 "PR-welcome" was the former name.

- curl_setup.h: oops, shorten the too long line

- [Martin Storsjo brought this change]

 curl_setup: Improve detection of CURL_WINDOWS_APP
 
 If WINAPI_FAMILY is defined, it should be safe to try to include
 winapifamily.h to check what the define evaluates to.
 
 This should fix detection of CURL_WINDOWS_APP if building with
 _WIN32_WINNT set to 0x0600.
 
 Closes #2025

Jay Satiro (26 Oct 2017)
- transfer: Fix chunked-encoding upload bug
 
 - When uploading via chunked-encoding don't compare file size to bytes
 sent to determine whether the upload has finished.
 
 Chunked-encoding adds its own overhead which why the bytes sent is not
 equal to the file size. Prior to this change if a file was uploaded in
 chunked-encoding and its size was known it was possible that the upload
 could end prematurely without sending the final few chunks. That would
 result in a server hang waiting for the remaining data, likely followed
 by a disconnect.
 
 The scope of this bug is limited to some arbitrary file sizes which have
 not been determined. One size that triggers the bug is 475020.
 
 Bug: https://github.com/curl/curl/issues/2001
 Reported-by: moohoorama@users.noreply.github.com
 
 Closes https://github.com/curl/curl/pull/2010

Daniel Stenberg (26 Oct 2017)
- timeval: make timediff_t also work on 32bit windows
 
 ... by using curl_off_t for the typedef if time_t is larger than 4
 bytes.
 
 Reported-by: Gisle Vanem
 Bug: https://github.com/curl/curl/commit/b9d25f9a6b3ca791385b80a6a3c3fa5ae113e1e0#co
 mmitcomment-25205058
 Closes #2019

- curl_fnmatch: return error on illegal wildcard pattern
 
 ... instead of doing an infinite loop!
 
 Added test 1162 to verify.
 
 Reported-by: Max Dymond
 Fixes #2015
 Closes #2017

- [Max Dymond brought this change]

 wildcards: don't use with non-supported protocols
 
 Fixes timeouts in the fuzzing tests for non-FTP protocols.
 
 Closes #2016

- [Max Dymond brought this change]

 multi: allow table handle sizes to be overridden
 
 Allow users to specify their own hash define for
 CURL_CONNECTION_HASH_SIZE so that both values can be overridden.
 
 Closes #1982

- time: rename Curl_tvnow to Curl_now
 
 ... 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

- ftplistparser: follow-up cleanup to remove PL_ERROR()

- [Max Dymond brought this change]

 ftplistparser: free off temporary memory always
 
 When using the FTP list parser, ensure that the memory that's
 allocated is always freed.
 
 Detected by OSS-fuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3682
 Closes #2013

- timediff: return timediff_t from the time diff functions
 
 ... 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

- [Paul Howarth brought this change]

 libtest: Add required test libraries for lib1552 and lib1553
 
 They use $(TESTUTIL) and thus should use $(TESTUTIL_LIBS) too.
 
 This fixes build failures on Fedora 13.
 
 Closes #2006

- [Alessandro Ghedini brought this change]

 libcurl-tutorial.3: fix typo
 
 closes #2008

Alessandro Ghedini (23 Oct 2017)
- curl_mime_filedata.3: fix typos

Daniel Stenberg (23 Oct 2017)
- RELEASE-NOTES: clean slate towards 7.57.0

- [Max Dymond brought this change]

 travis: exit if any steps fail
 
 We don't expect any steps to fail in travis. Exit the script if they do.
 
 Closes #1966

Version 7.56.1 (23 Oct 2017)

Daniel Stenberg (23 Oct 2017)
- RELEASE-NOTES: 7.56.1

- THANKS: update at 7.56.1 release time

- [Jon DeVree brought this change]

 mk-ca-bundle: Remove URL for aurora
 
 Aurora is no longer used by Mozilla
 https://hacks.mozilla.org/2017/04/simplifying-firefox-release-channels/

- [Jon DeVree brought this change]

 mk-ca-bundle: Fix URL for NSS
 
 The 'tip' is the most recent branch committed to, this should be
 'default' like the URLs for the browser are.
 
 Closes #1998

- imap: if a FETCH response has no size, don't call write callback
 
 CVE-2017-1000257
 
 Reported-by: Brian Carpenter and 0xd34db347
 Also detected by OSS-Fuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3586

- ftp: reject illegal IP/port in PASV 227 response
 
 ... by using range checks. Among other things, this avoids an undefined
 behavior for a left shift that could happen on negative or very large
 values.
 
 Closes #1997
 
 Detected by OSS-fuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3694

Patrick Monnerat (20 Oct 2017)
- test653: check reuse of easy handle after mime data change
 
 See issue #1999

- mime: do not reuse previously computed multipart size
 
 The contents might have changed: size must be recomputed.
 
 Reported-by: moteus on github
 Fixes #1999

- test308: disable if MultiSSL feature enabled
 
 Even if OpenSSL is enabled, it might not be the default backend when
 multi-ssl is enabled, causing the test to fail.

- runtests: support MultiSSL client feature

- vtls: change struct Curl_ssl `close' field name to `close_one'.
 
 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.

- os400: add missing symbols in config file.
 
 Also adjust makefile to renamed files and warn about installation dirs mix-up.

- test652: curl_mime_data + base64 encoder with large contents

- mime: limit bas64-encoded lines length to 76 characters

Daniel Stenberg (16 Oct 2017)
- RELEASE-NOTES: synced with f121575c0

- setopt: range check most long options
 
 ... filter early instead of risking "funny values" having to be dealt
 with elsewhere.

- setopt: avoid integer overflows when setting millsecond values
 
 ... that are multiplied by 1000 when stored.
 
 For 32 bit long systems, the max value accepted (2147483 seconds) is >
 596 hours which is unlikely to ever be set by a legitimate application -
 and previously it didn't work either, it just caused undefined behavior.
 
 Also updated the man pages for these timeout options to mention the
 return code.
 
 Closes #1938

Viktor Szakats (15 Oct 2017)
- makefile.m32: allow to override gcc, ar and ranlib
 
 Allow to ovverride certain build tools, making it possible to
 use LLVM/Clang to build curl. The default behavior is unchanged.
 To build with clang (as offered by MSYS2), these settings can
 be used:
 
 CURL_CC=clang
 CURL_AR=llvm-ar
 CURL_RANLIB=llvm-ranlib
 
 Closes https://github.com/curl/curl/pull/1993

- ldap: silence clang warning
 
 Use memset() to initialize a structure to avoid LLVM/Clang warning:
 ldap.c:193:39: warning: missing field 'UserLength' initializer [-Wmissing-field-initializers]
 
 Closes https://github.com/curl/curl/pull/1992

Daniel Stenberg (14 Oct 2017)
- runtests: use valgrind for torture as well
 
 NOTE: it makes them terribly slow. I recommend only using valgrind for
 specific torture tests or using lots of patience.

- memdebug: trace send, recv and socket
 
 ... to allow them to be included in torture tests too.
 
 closes #1980

- configure: remove the C++ compiler check
 
 ... we used it only for the fuzzer, which we now have in a separate git
 repo.
 
 Closes #1990

Patrick Monnerat (13 Oct 2017)
- mime: do not call failf() if easy handle is NULL.

Daniel Stenberg (13 Oct 2017)
- test651: curl_formadd with huge COPYCONTENTS

- mime: fix the content reader to handle >16K data properly
 
 Reported-by: Jeroen Ooms
 Closes #1988

Patrick Monnerat (12 Oct 2017)
- mime: keep "text/plain" content type if user-specified.
 
 Include test cases in 554, 587, 650.
 
 Fixes https://github.com/curl/curl/issues/1986

- cli tool: use file2memory() to buffer stdin in -F option.
 
 Closes PR https://github.com/curl/curl/pull/1985

- cli tool: reimplement stdin buffering in -F option.
 
 If stdin is not a regular file, its content is memory-buffered to enable
 a possible data "rewind".
 In all cases, stdin data size is determined before real use to avoid
 having an unknown part's size.
 
 --libcurl generated code is left as an unbuffered stdin fread/fseek callback
 part with unknown data size.
 
 Buffering is not supported in deprecated curl_formadd() API.

Daniel Stenberg (12 Oct 2017)
- winbuild/BUILD.WINDOWS.txt: mention WITH_NGHTTP2

- HELP-US: the label "PR-welcome" is now renamed to "help wanted"
 
 following the new github "standard"

- RELEASE-NOTES: synced with 5505df7d2

Jay Satiro (11 Oct 2017)
- [Artak Galoyan brought this change]

 url: Update current connection SSL verify params in setopt
 
 Now VERIFYHOST, VERIFYPEER and VERIFYSTATUS options change during active
 connection updates the current connection's (i.e.'connectdata'
 structure) appropriate ssl_config (and ssl_proxy_config) structures
 variables, making these options effective for ongoing connection.
 
 This functionality was available before and was broken by the
 following change:
 "proxy: Support HTTPS proxy and SOCKS+HTTP(s)"
 CommitId: cb4e2be7c6d42ca0780f8e0a747cecf9ba45f151.
 
 Bug: https://github.com/curl/curl/issues/1941
 
 Closes https://github.com/curl/curl/pull/1951

Daniel Stenberg (11 Oct 2017)
- [David Benjamin brought this change]

 openssl: don't use old BORINGSSL_YYYYMM macros
 
 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

- test950; verify SMTP with custom request

- ftpserver: support case insensitive commands

- smtp_done: free data before returning (on send failure)
 
 ... as otherwise it could leak that memory.
 
 Detected by OSS-fuzz:
 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3600
 
 Assisted-by: Max Dymond
 Closes #1977

- FTP: URL decode path for dir listing in nocwd mode
 
 Reported-by: Zenju on github
 
 Test 244 added to verify
 Fixes #1974
 Closes #1976

- test298: verify --ftp-method nowcwd with URL encoded path
 
 Ref: #1974

- CURLOPT_XFERINFODATA.3: fix duplicate see also

- CURLOPT_NOPROGRESS.3: also refer to xferinfofunction

- FAQ: s/CURLOPT_PROGRESSFUNCTION/CURLOPT_XFERINFOFUNCTION

- openssl: enable PKCS12 support for !BoringSSL
 
 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

- [Kristiyan Tsaklev brought this change]

 curl: don't pass semicolons when parsing Content-Disposition
 
 Test 1422 updated to verify.
 
 Closes #1964

Patrick Monnerat (9 Oct 2017)
- mime: properly unbind mime structure in curl_mime_free().
 
 This allows freeing a mime structure bound to the easy handle before
 curl_easy_cleanup().
 
 Fixes #1970.

Daniel Stenberg (9 Oct 2017)
- RTSP: avoid integer overflow on funny RTSP response
 
 ... like a very large non-existing RTSP version number.
 
 Added test 577 to verify.
 
 Detected by OSS-fuzz.
 Closes #1969

Patrick Monnerat (8 Oct 2017)
- ftpserver: properly reset $ftptargetdir.

- test643: verify curl_mime_subparts() rejects cyclic additions.

- mime: refuse to add subparts to one of their own descendants.
 
 Reported-by: Alexey Melnichuk
 Fixes #1962

- mime: avoid resetting a part's encoder when part's contents change.

- mime: improve unbinding top multipart from easy handle.
 
 Also avoid dangling pointers in referencing parts.

Daniel Stenberg (8 Oct 2017)
- RELEASE-NOTES: synced with a4c1c75da30af1

- curlver.h: next expected release is 7.57.0

Patrick Monnerat (8 Oct 2017)
- mime: be tolerant about setting twice the same header list in a part.

- docs: clarify form/mime usage of non-regular data files.

Daniel Stenberg (8 Oct 2017)
- Revert "multi_done: wait for name resolve to finish if still ongoing"
 
 This reverts commit f3e03f6c0ac52a1bf396e03f7d7e9b5b3b7165fe.
 
 Caused memory leaks in the fuzzer, needs to be done differently.
 
 Disable test 1553 for now too, as it causes memory leaks without this
 commit!

- remove_handle: call multi_done() first, then clear dns cache pointer
 
 Closes #1960

- multi_done: wait for name resolve to finish if still ongoing
 
 ... as we must clean up memory.

- pingpong: return error when trying to send without connection
 
 When imap_done() got called before a connection is setup, it would try
 to "finish up" and dereffed a NULL pointer.
 
 Test case 1553 managed to reproduce. I had to actually use a host name
 to try to resolve to slow it down, as using the normal local server IP
 will make libcurl get a connection in the first curl_multi_perform()
 loop and then the bug doesn't trigger.
 
 Fixes #1953
 Assisted-by: Max Dymond

Dan Fandrich (6 Oct 2017)
- tests: added flaky keyword to tests 587 and 644
 
 These are around 5% flaky in my Linux x86 autobuilds.

Marcel Raad (6 Oct 2017)
- vtls: fix warnings with --disable-crypto-auth
 
 When CURL_DISABLE_CRYPTO_AUTH is defined, Curl_none_md5sum's parameters
 are not used.

Daniel Stenberg (6 Oct 2017)
- multi_cleanup: call DONE on handles that never got that
 
 ... fixes a memory leak with at least IMAP when remove_handle is never
 called and the transfer is abruptly just abandoned early.
 
 Test 1552 added to verify
 
 Detected by OSS-fuzz
 Assisted-by: Max Dymond
 Closes #1954

- [Benbuck Nason brought this change]

 strtoofft: Remove extraneous null check
 
 Fixes #1950: curlx_strtoofft() doesn't fully protect against null 'str'
 argument.
 
 Closes #1952

- openssl: fix build without HAVE_OPAQUE_EVP_PKEY
 
 Reported-by: Javier Sixto
 Fixes #1955
 Closes #1956

Viktor Szakats (6 Oct 2017)
- lib/config-win32.h: let SMB/SMBS be enabled with OpenSSL/NSS
 
 The source code is now prepared to handle the case when both
 Win32 Crypto and OpenSSL/NSS crypto backends are enabled
 at the same time, making it now possible to enable `USE_WIN32_CRYPTO`
 whenever the targeted Windows version supports it. Since this
 matches the minimum Windows version supported by curl
 (Windows 2000), enable it unconditionally for the Win32 platform.
 
 This in turn enables SMB (and SMBS) protocol support whenever
 Win32 Crypto is available, regardless of what other crypto backends
 are enabled.
 
 Ref: https://github.com/curl/curl/pull/1840#issuecomment-325682052
 
 Closes https://github.com/curl/curl/pull/1943

Daniel Stenberg (5 Oct 2017)
- build: fix --disable-crypto-auth
 
 Reported-by: Wyatt O'Day
 Fixes #1945
 Closes #1947

Jay Satiro (5 Oct 2017)
- [Nick Zitzmann brought this change]

 darwinssl: add support for TLSv1.3
 
 Closes https://github.com/curl/curl/pull/1794

Daniel Stenberg (4 Oct 2017)
- [Felix Kaiser brought this change]

 docs: fix typo in curl_mime_data_cb man page
 
 Closes #1946

Viktor Szakats (4 Oct 2017)
- lib/Makefile.m32: allow customizing dll suffixes
 
 - New `CURL_DLL_SUFFIX` envvar will add a suffix to the generated
 libcurl dll name. Useful to add `-x64` to 64-bit builds so that
 it can live in the same directory as the 32-bit one. By default
 this is empty.
 
 - New `CURL_DLL_A_SUFFIX` envvar to customize the suffix of the
 generated import library (implib) for libcurl .dll. It defaults
 to `dll`, and it's useful to modify that to `.dll` to have the
 standard naming scheme for mingw-built .dlls, i.e. `libcurl.dll.a`.
 
 Closes https://github.com/curl/curl/pull/1942

Daniel Stenberg (4 Oct 2017)
- [Max Dymond brought this change]

 fuzzer: move to using external curl-fuzzer
 
 Use the external curl-fuzzer repository for fuzzing.
 
 Closes #1923

- failf: skip the sprintf() if there are no consumers
 
 Closes #1936

- ftp: UBsan fixup 'pointer index expression overflowed'
 
 Closes #1939

- RELEASE-PROCEDURE: update the release schedule

Version 7.56.0 (4 Oct 2017)

Daniel Stenberg (4 Oct 2017)
- RELEASE-NOTES: curl 7.56.0

- THANKS: added new 7.56.0 contributors

Jay Satiro (4 Oct 2017)
- build-openssl.bat: Warn OpenSSL 1.1.0 not yet supported
 
 Ref: https://github.com/curl/curl/issues/1002

Michael Kaufmann (3 Oct 2017)
- idn: fix source code comment

- vtls: compare and clone ssl configs properly
 
 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

- proxy: read the "no_proxy" variable only if necessary
 
 Reviewed-by: Daniel Stenberg
 
 Closes #1919

Patrick Monnerat (3 Oct 2017)
- libcurl-tutorial: add casts in example to avoid compilation warnings.

Daniel Stenberg (3 Oct 2017)
- examples: bring back curl_formadd-using examples
 
 ... now with a -formadd suffix. While the new mime API is introduced in
 7.56.0 we must acknowledge that lots of users can't upgrade their curl
 versions immediately.

- test1153: verify quoted double-qoutes in PWD response

- FTP: zero terminate the entry path even on bad input
 
 ... a single double quote could leave the entry path buffer without a zero
 terminating byte. CVE-2017-1000254
 
 Test 1152 added to verify.
 
 Reported-by: Max Dymond
 Bug: https://curl.haxx.se/docs/adv_20171004.html

Jay Satiro (2 Oct 2017)
- [Sergei Nikulov brought this change]

 cmake: disable tests and man generation if perl/nroff not found
 
 Fixes https://github.com/curl/curl/issues/1500
 Reported-by: Jay Satiro
 
 Fixes https://github.com/curl/curl/pull/1662
 Assisted-by: Tom Seddon
 Assisted-by: dpull@users.noreply.github.com
 Assisted-by: elelel@users.noreply.github.com
 
 Closes https://github.com/curl/curl/pull/1924

Patrick Monnerat (2 Oct 2017)
- libcurl-tutorial: fix two typos.

- TODO: remove deprecated form API items.

- libcurl-tutorial: describe MIME API and deprecate form API.
 
 Include a guide to form/mime API conversion.

Daniel Stenberg (30 Sep 2017)
- cookie: fix memory leak if path was set twice in header
 
 ... this will let the second occurance override the first.
 
 Added test 1161 to verify.
 
 Reported-by: Max Dymond
 Fixes #1932
 Closes #1933

Dan Fandrich (30 Sep 2017)
- test650: Use variable replacement to set the host address and port
 
 Otherwise, the test fails when the -b test option is used to set a
 different test port range.

- Set and use more necessary options when some protocols are disabled
 
 When curl and libcurl are built with some protocols disabled, they stop
 setting and receiving some options that don't make sense with those
 protocols. In particular, when HTTP is disabled many options aren't set
 that are used only by HTTP. However, some options that appear to be
 HTTP-only are actually used by other protocols as well (some despite
 having HTTP in the name) and should be set, but weren't. This change now
 causes some of these options to be set and used for more (or for all)
 protocols. In particular, this fixes tests 646 through 649 in an
 HTTP-disabled build, which use the MIME API in the mail protocols.

Daniel Stenberg (29 Sep 2017)
- test1160: verifies cookie leak for large cookies
 
 The fix done in 20ea22ff735

- cookie: fix memory leak on oversized rejection
 
 Regression brought by 2bc230de63b
 
 Detected by OSS-fuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3513
 Assisted-by: Max Dymond
 
 Closes #1930

- [Anders Bakken brought this change]

 connect: fix race condition with happy eyeballs timeout
 
 The timer should be started after conn->connecttime is set. Otherwise
 the timer could expire without this condition being true:
 
 /* should we try another protocol family? */
 if(i == 0 && conn->tempaddr[1] == NULL &&
 curlx_tvdiff(now, conn->connecttime) >= HAPPY_EYEBALLS_TIMEOUT) {
 
 Ref: #1928

Michael Kaufmann (28 Sep 2017)
- docs: link CURLOPT_CONNECTTIMEOUT and CURLOPT_CONNECTTIMEOUT_MS
 
 Closes #1922

- docs: clarify the use of environment variables for proxy
 
 Closes #1921

- http: add custom empty headers to repeated requests
 
 Closes #1920

- reuse_conn: don't copy flags that are known to be equal
 
 A connection can only be reused if the flags "conn_to_host" and
 "conn_to_port" match. Therefore it is not necessary to copy these flags
 in reuse_conn().
 
 Closes #1918

Daniel Stenberg (27 Sep 2017)
- curl.h: include <sys/select.h> on cygwin too
 
 When building with -std=c++14 on cygwin, this header won't be
 automatically included as it otherwise is.
 
 The <sys/select.h> include decision should ideally be reversed and be
 avoided where that header file doesn't exist.
 
 Reported-by: Ian Fette
 Fixes #1925

- RELEASE-NOTES: synced with d8ab5dc50

Michael Kaufmann (24 Sep 2017)
- tests: adjust .gitignore for new tests

Jay Satiro (23 Sep 2017)
- ntlm: move NTLM_NEEDS_NSS_INIT define into core NTLM header
 
 .. 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

Daniel Stenberg (23 Sep 2017)
- file_range: avoid integer overflow when figuring out byte range
 
 When trying to bump the value with one and the value is already at max,
 it causes an integer overflow.
 
 Closes #1908
 Detected by oss-fuzz:
 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3465
 
 Assisted-by: Max Dymond

Michael Kaufmann (23 Sep 2017)
- tests: fix a compiler warning in test 643

Jay Satiro (23 Sep 2017)
- symbols-in-versions: fix CURLSSLSET_NO_BACKENDS entry
 
 - Use spaces instead of tabs as the delimiter.
 
 Follow up to 7c52b12 which added the entry. The entry had used tabs but
 the symbol-scan parser doesn't recognize tabs and would fail the symbol.

Viktor Szakats (22 Sep 2017)
- metalink: fix NSS issue in MultiSSL builds
 
 In MultiSSL mode (i.e. when more than one SSL backend is compiled
 in), we cannot use the compile time flag `USE_NSS` as indicator that
 the NSS backend is in use. As far as Metalink is concerned, the SSL
 backend is only used for MD5, SHA-1 and SHA-256 calculations,
 therefore one of the available SSL backends is selected at compile
 time, in a strict order of preference.
 
 Let's introduce a new `HAVE_NSS_CONTEXT` constant that can be used
 to determine whether the SSL backend used for Metalink is the NSS
 backend, and use that to guard the code that wants to de-initialize
 the NSS-specific data structure.
 
 Ref: https://github.com/curl/curl/pull/1848

- ntlm: use strict order for SSL backend #if branches
 
 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

Daniel Stenberg (22 Sep 2017)
- symbols-in-versions: add CURLSSLSET_NO_BACKENDS
 
 ...fixup from b8e0fe19ec

- imap: quote atoms properly when escaping characters
 
 Updates test 800 to verify
 
 Fixes #1902
 Closes #1903

- tests: make the imap server not verify user+password
 
 ... as the test cases themselves do that and it makes it easier to add
 crazy test cases.
 
 Test 800 updated to use user name + password that need quoting.
 
 Test 856 updated to trigger an auth fail differently.
 
 Ref: #1902

- vtls: provide curl_global_sslset() even in non-SSL builds
 
 ... it just returns error:
 
 Bug: https://github.com/curl/curl/commit/1328f69d53f2f2e937696ea954c480412b018451#commitcomment-24470367
 Reported-by: Marcel Raad
 
 Closes #1906

Patrick Monnerat (22 Sep 2017)
- form/mime: field names are not allowed to contain zero-valued bytes.
 
 Also suppress length argument of curl_mime_name() (names are always
 zero-terminated).

Daniel Stenberg (21 Sep 2017)
- [Dirk Feytons brought this change]

 openssl: only verify RSA private key if supported
 
 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

Marcel Raad (21 Sep 2017)
- examples/post-callback: use long for CURLOPT_POSTFIELDSIZE
 
 Otherwise, typecheck-gcc.h warns on MinGW-w64.

Patrick Monnerat (20 Sep 2017)
- mime: rephrase the multipart output state machine (#1898) ...
 
 ... in hope coverity will like it much.

- mime: fix an explicit null dereference (#1899)

Daniel Stenberg (20 Sep 2017)
- curl: check fseek() return code and bail on error
 
 Detected by coverity. CID 1418137.

- smtp: fix memory leak in OOM
 
 Regression since ce0881edee
 
 Coverity CID 1418139 and CID 1418136 found it, but it was also seen in
 torture testing.

- RELEASE-NOTES: synced with 5fe85587c

- [Pavel Pavlov brought this change]

 cookies: use lock when using CURLINFO_COOKIELIST
 
 Closes #1896

- [Max Dymond brought this change]

 ossfuzz: changes before merging the generated corpora
 
 Before merging in the oss-fuzz corpora from Google, there are some changes
 to the fuzzer.
 - Add a read corpus script, to display corpus files nicely.
 - Change the behaviour of the fuzzer so that TLV parse failures all now
 go down the same execution paths, which should reduce the size of the
 corpora.
 - Make unknown TLVs a failure to parse, which should decrease the size
 of the corpora as well.
 
 Closes #1881

- mime:escape_string minor clarification change
 
 ... as it also removes a warning with old gcc versions.
 
 Bug: https://curl.haxx.se/mail/lib-2017-09/0049.html
 Reported-by: Ben Greear

- [Max Dymond brought this change]

 ossfuzz: don't write out to stdout
 
 Don't make the fuzzer write out to stdout - instead write some of the
 contents to a memory block so we exercise the data output code but
 quietly.
 
 Closes #1885

- cookies: reject oversized cookies
 
 ... instead of truncating them.
 
 There's no fixed limit for acceptable cookie names in RFC 6265, but the
 entire cookie is said to be less than 4096 bytes (section 6.1). This is
 also what browsers seem to implement.
 
 We now allow max 5000 bytes cookie header. Max 4095 bytes length per
 cookie name and value. Name + value together may not exceed 4096 bytes.
 
 Added test 1151 to verify
 
 Bug: https://curl.haxx.se/mail/lib-2017-09/0062.html
 Reported-by: Kevin Smith
 
 Closes #1894

- travis: on mac, don't install openssl or libidn
 
 - openssl is already installed and causes warnings when trying to
 install again
 
 - libidn isn't used these days, and homebrew doesn't seem to have a
 libidn2 package to replace with easily
 
 Closes #1895

- curl: make str2udouble not return values on error
 
 ... previously it would store a return value even when it returned
 error, which could make the value get used anyway!
 
 Reported-by: Brian Carpenter
 Closes #1893

Jay Satiro (18 Sep 2017)
- socks: fix incorrect port number in SOCKS4 error message
 
 Prior to this change it appears the SOCKS5 port parsing was erroneously
 used for the SOCKS4 error message, and as a result an incorrect port
 would be shown in the error message.
 
 Bug: https://github.com/curl/curl/issues/1892
 Reported-by: Jackarain@users.noreply.github.com

- [Marc Aldorasi brought this change]

 schannel: Support partial send for when data is too large
 
 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

- [David Benjamin brought this change]

 openssl: add missing includes
 
 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

Daniel Stenberg (15 Sep 2017)
- conversions: fix several compiler warnings

- server/getpart: provide dummy function to build conversion enabled

- non-ascii: use iconv() with 'char **' argument
 
 Bug: https://curl.haxx.se/mail/lib-2017-09/0031.html

- escape.c: error: pointer targets differ in signedness

- docs: clarify the CURLOPT_INTERLEAVE* options behavior

- [Max Dymond brought this change]

 rtsp: Segfault in rtsp.c when using WRITEDATA
 
 If the INTERLEAVEFUNCTION is defined, then use that plus the
 INTERLEAVEDATA information when writing RTP. Otherwise, use
 WRITEFUNCTION and WRITEDATA.
 
 Fixes #1880
 Closes #1884

Marcel Raad (15 Sep 2017)
- [Isaac Boukris brought this change]

 tests: enable gssapi in travis-ci linux build
 
 Closes https://github.com/curl/curl/pull/1687

- [Isaac Boukris brought this change]

 tests: add initial gssapi test using stub implementation
 
 The stub implementation is pre-loaded using LD_PRELOAD
 and emulates common gssapi uses (only builds if curl is
 initially built with gssapi support).
 
 The initial tests are currently disabled for debug builds
 as LD_PRELOAD is not used then.
 
 Ref: https://github.com/curl/curl/pull/1687

Daniel Stenberg (15 Sep 2017)
- test1150: verify same host fetch using different ports over proxy
 
 Closes #1889

- URL: on connection re-use, still pick the new remote port
 
 ... as when a proxy connection is being re-used, it can still get a
 different remote port.
 
 Fixes #1887
 Reported-by: Oli Kingshott

- RELEASE-NOTES: synced with 87501e57f

- code style: remove wrong uses of multiple spaces
 
 Closes #1878

- checksrc: detect and warn for multiple spaces

- code style: use space after semicolon

- checksrc: verify space after semicolons

- code style: use spaces around pluses

- checksrc: detect and warn for lack of spaces next to plus signs

- code style: use spaces around equals signs

- checksrc: verify spaces around equals signs
 
 ... as the code style mandates.

- Curl_checkheaders: make it available for IMAP and SMTP too
 
 ... not only HTTP uses this now.
 
 Closes #1875

- travis: add build without HTTP/SMTP/IMAP

Jay Satiro (10 Sep 2017)
- mbedtls: enable CA path processing
 
 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

Daniel Stenberg (8 Sep 2017)
- rtsp: do not call fwrite() with NULL pointer FILE *
 
 If the default write callback is used and no destination has been set, a
 NULL pointer would be passed to fwrite()'s 4th argument.
 
 OSS-fuzz bug https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3327
 (not publicly open yet)
 
 Detected by OSS-fuzz
 Closes #1874

- configure: use -Wno-varargs on clang 3.9[.X] debug builds
 
 ... to avoid a clang bug

- [Max Dymond brought this change]

 ossfuzz: add some more handled CURL options
 
 Add support for HEADER, COOKIE, RANGE, CUSTOMREQUEST, MAIL_RECIPIENT,
 MAIL_FROM and uploading data.

- configure: check for C++ compiler after C, to make it non-fatal
 
 The tests for object file/executable file extensions are presumably only
 done for the first of these macros in the configure file.
 
 Bug: https://github.com/curl/curl/pull/1851#issuecomment-327597515
 Reported-by: Marcel Raad
 Closes #1873

Patrick Monnerat (7 Sep 2017)
- form API: add new test 650.
 
 Now that the form API is deprecated and not used anymore in curl tool,
 a lot of its features left untested. Test 650 attempts to check all these
 features not tested elsewhere.

Jay Satiro (7 Sep 2017)
- configure: fix curl_off_t check's include order
 
 - Prepend srcdir include path instead of append.
 
 Prior to this change it was possible that during the check for the size
 of curl_off_t the include path of a user's already installed curl could
 come before the include path of the to-be-built curl, resulting in the
 system.h of the former being incorrectly included for that check.
 
 Closes https://github.com/curl/curl/pull/1870

Daniel Stenberg (7 Sep 2017)
- [Jakub Zakrzewski brought this change]

 KNOWN_BUGS: Remove CMake symbol hiding issue
 
 It has already been fixed in 6140dfc

- http-proxy: when not doing CONNECT, that phase is done immediately
 
 `conn->connect_state` is NULL when doing a regular non-CONNECT request
 over the proxy and should therefor be considered complete at once.
 
 Fixes #1853
 Closes #1862
 Reported-by: Lawrence Wagerfield

- [Johannes Schindelin brought this change]

 OpenSSL: fix yet another mistake while encapsulating SSL backend data
 
 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>

- [Johannes Schindelin brought this change]

 OpenSSL: fix erroneous SSL backend encapsulation
 
 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>

- [Jay Satiro brought this change]

 vtls: fix memory corruption
 
 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>

- vtls: switch to CURL_SHA256_DIGEST_LENGTH define
 
 ... 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

- travis: add c-ares enabled builds linux + osx
 
 Closes #1868

- HISTORY: added some recent items

Jay Satiro (6 Sep 2017)
- SSL: fix unused parameter warnings

Patrick Monnerat (6 Sep 2017)
- mime: drop internal FILE * support.
 
 - The part kind MIMEKIND_FILE and associated code are suppressed.
 - Seek data origin offset not used anymore: suppressed.
 - MIMEKIND_NAMEDFILE renamed MIMEKIND_FILE; associated fields/functions
 renamed accordingly.
 - Curl_getformdata() processes stdin via a callback.

Daniel Stenberg (6 Sep 2017)
- configure: remove --enable-soname-bump and SONAME_BUMP
 
 Back in 2008, (and commit 3f3d6ebe665f3) we changed the logic in how we
 determine the native type for `curl_off_t`. To really make sure we
 didn't break ABI without bumping SONAME, we introduced logic that
 attempted to detect that it would use a different size and thus not be
 compatible. We also provided a manual switch that allowed users to tell
 configure to bump SONAME by force.
 
 Today, we know of no one who ever got a SONAME bump auto-detected and we
 don't know of anyone who's using the manual bump feature. The auto-
 detection is also no longer working since we introduced defining
 curl_off_t in system.h (7.55.0).
 
 Finally, this bumping logic is not present in the cmake build.
 
 Closes #1861

Jay Satiro (6 Sep 2017)
- [Gisle Vanem brought this change]

 vtls: select ssl backend case-insensitive (follow-up)
 
 - 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

- openssl: Integrate Peter Wu's SSLKEYLOGFILE implementation
 
 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

Patrick Monnerat (5 Sep 2017)
- mime: fix a trivial warning.

- mime: replace 'struct Curl_mimepart' by 'curl_mimepart' in encoder code.
 
 mime_state is now a typedef.

- mime: implement encoders.
 
 curl_mime_encoder() is operational and documented.
 curl tool -F option is extended with ";encoder=".
 curl tool --libcurl option generates calls to curl_mime_encoder().
 New encoder tests 648 & 649.
 Test 1404 extended with an encoder specification.

- runtests.pl: support attribute "nonewline" in part verify/upload.

- [Daniel Stenberg brought this change]

 fixup data/test1135

- [Daniel Stenberg brought this change]

 mime: unified to use the typedef'd mime structs everywhere
 
 ... and slightly edited to follow our code style better.

- [Daniel Stenberg brought this change]

 curl.h: use lower case curl_mime* as for all public symbols

- [Daniel Stenberg brought this change]

 docs/curl_mime_*.3: use correct variable types in examples

Kamil Dudka (5 Sep 2017)
- openssl: use OpenSSL's default ciphers by default
 
 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

Viktor Szakats (5 Sep 2017)
- examples/mime: minor example code fixes

Daniel Stenberg (5 Sep 2017)
- docs/curl_mime_*.3: added examples

- configure: add MultiSSL to FEATURES when enabled
 
 ...for curl-config and its corresponding test 1014

- http-proxy: treat all 2xx as CONNECT success
 
 Added test 1904 to verify.
 
 Reported-by: Lawrence Wagerfield
 Fixes #1859
 Closes #1860

- MAIL-ETIQUETTE: added "1.9 Your emails are public"

- curl.h: fix "unused checksrc ignore", remove dangling reference
 
 ... to a README file that doesn't exist anymore

Viktor Szakats (4 Sep 2017)
- docs: Update to secure URL versions

- mime: use CURL_ZERO_TERMINATED in examples
 
 and some minor whitespace fixes

Daniel Stenberg (4 Sep 2017)
- schannel: return CURLE_SSL_CACERT on failed verification
 
 ... 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

- test1135: fixed after bd8070085f9

- examples/post-callback: stop returning one byte at a time
 
 ... since people copy and paste code from this example and thus they get
 an inefficient POST operation without a good reason and sometimes
 without understanding why.
 
 Instead this now returns as much data as possible.

- RELEASE-NOTES: fixed the function counter script

- curl.h: make the curl_strequal() protos use the same style
 
 ... as the other functions. Makes it easier to machine-parse!

- docs: curl_mime_*.3 man page formatting edits

- RELEASE-NOTES: synced with 1ab9e9b50

Patrick Monnerat (4 Sep 2017)
- lib: bump version info (soname). Adapt and reenable test 1135.

Daniel Stenberg (3 Sep 2017)
- headers: move the global_sslset() proto from multi.h to curl.h
 
 As it was added to multi.h simply to not break test 1135, which now has
 been disabled due to the mime API addition anyway and su we can now move
 the sslset stuff to where the other curl_global_* prototypes are.

Patrick Monnerat (3 Sep 2017)
- mime: fix signed/unsigned conversions.
 
 Use and generate CURL_ZERO_TERMINATED in curl tool and tests.

Jay Satiro (3 Sep 2017)
- tool_formparse: fix some trivial warnings

Patrick Monnerat (3 Sep 2017)
- mime: use size_t instead of ssize_t in public API interface.
 
 To support telling a string is nul-terminated, symbol CURL_ZERO_TERMINATED
 has been introduced.
 
 Documentation updated accordingly.
 
 symbols in versions updated. Added form API symbols deprecation info.

- mime: remove support "-" stdin pseudo-file name in curl_mime_filedata().
 
 This feature is badly supported in Windows: as a replacement, a caller has
 to use curl_mime_data_cb() with fread, fseek and possibly fclose
 callbacks to process opened files.
 
 The cli tool and documentation are updated accordingly.
 
 The feature is however kept internally for form API compatibility, with
 the known caveats it always had.
 
 As a side effect, stdin size is not determined by the cli tool even if
 possible and this results in a chunked transfer encoding. Test 173 is
 updated accordingly.

- mime: fix some implicit curl_off_t --> size_t conversion warnings.

- mime: tests and examples.
 
 Additional mime-specific tests.
 Existing tests updated to reflect small differences (Expect: 100-continue,
 data size change due to empty lines, etc).
 Option -F headers= keyword added to tests.
 test1135 disabled until the entry point order change is resolved.
 New example smtp-mime.
 Examples postit2 and multi-post converted from form API to mime API.

- mime: use in curl cli tool instead of form API.
 
 Extended -F option syntax to support multipart mail messages.
 -F keyword headers= added to include custom headers in parts.
 Documentation upgraded.

- mime: new MIME API.
 
 Available in HTTP, SMTP and IMAP.
 Deprecates the FORM API.
 See CURLOPT_MIMEPOST.
 Lib code and associated documentation.

- test564: Add a warning comment about shell profile output.
 
 Shell profile output makes the SSH server failing and this problem reason
 is not easy to find when no hint is given.

- checksrc: disable SPACEBEFOREPAREN for case statement.
 
 The case keyword may be followed by a constant expression and thus should
 allow it to start with an open parenthesis.

- runtests.pl: allow <file[1-4]> tags in client section.
 
 This enables tests to create more than one file on the client side.

- runtests.pl: Apply strippart to upload too.
 
 This will allow substitution of boundaries in mail messages.

- Curl_base64_encode: always call with a real data handle.
 
 Some calls in different modules were setting the data handle to NULL, causing
 segmentation faults when using builds that enable character code conversions.

- non-ascii: allow conversion functions to be called with a NULL data handle.

- http: fix a memory leakage in checkrtspprefix().

Daniel Stenberg (2 Sep 2017)
- [Max Dymond brought this change]

 ossfuzz: Move to C++ for curl_fuzzer.
 
 Automake gets confused if you want to use C++ static libraries with C
 code - basically we need to involve the clang++ linker. The easiest way
 of achieving this is to rename the C code as C++ code. This gets us a
 bit further along the path and ought to be compatible with Google's
 version of clang.

- curl_global_sslset: select backend by name case insensitively
 
 Closes #1849

- [Max Dymond brought this change]

 ossfuzz: additional seed corpora
 
 Create simple seed corpora for:
 - FTP
 - telnet
 - dict
 - tftp
 - imap
 - pop3
 
 based off the tests of the same number.
 
 Closes #1842

- [Max Dymond brought this change]

 ossfuzz: moving towards the ideal integration
 
 - Start with the basic code from the ossfuzz project.
 - Rewrite fuzz corpora to be binary files full of Type-Length-Value
 data, and write a glue layer in the fuzzing function to convert
 corpora into CURL options.
 - Have supporting functions to generate corpora from existing tests
 - Integrate with Makefile.am

- strcase: corrected comment header for Curl_strcasecompare()

- unit1301: fix error message on first test

- curl_global_sslset.3: show the struct and enum too
 
 ... so that users can actually write code based on the man page alone,
 not having to read the header file.

Jay Satiro (31 Aug 2017)
- darwinssl: handle long strings in TLS certs (follow-up)
 
 - 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

Daniel Stenberg (31 Aug 2017)
- cyassl: call it the "WolfSSL" backend
 
 ... instead of cyassl, as this is the current name for it.
 
 Closes #1844

- polarssl: fix multissl breakage
 
 Reported-by: Dan Fandrich
 Bug: https://curl.haxx.se/mail/lib-2017-08/0121.html
 Closes #1843

- configure: remove the leading comma from the backends list
 
 ... when darwinssl is used.
 
 Reported-by: Viktor Szakats
 Bug: https://github.com/curl/curl/commit/b0989cd3abaff4f9a0717b4875022fa79e33b481#commitcomment-23943493
 
 Closes #1845

Kamil Dudka (30 Aug 2017)
- examples/sslbackend.c: fix failure of 'make checksrc'
 
 ./sslbackend.c:58:3: warning: else after closing brace on same line (BRACEELSE)
 } else if(isdigit(*name)) {
 ^
 ./sslbackend.c:62:3: warning: else after closing brace on same line (BRACEELSE)
 } else
 ^

Viktor Szakats (30 Aug 2017)
- makefile.m32: add multissl support
 
 Closes https://github.com/curl/curl/pull/1840

Daniel Stenberg (30 Aug 2017)
- curl.h: CURLSSLBACKEND_WOLFSSL used wrong value
 
 The CURLSSLBACKEND_WOLFSSL is supposed to be an alias for
 CURLSSLBACKEND_CYASSL, but used an erronous value. To reduce the risk
 for a similar mistake, define the backend aliases to use the enum values
 instead.
 
 Reported-by: Gisle Vanem
 Bug: https://curl.haxx.se/mail/lib-2017-08/0120.html

- curl_global_sslset.3: clarify
 
 it is a one time *set*, not necessarily a one time use... it can be
 called again if the first call failed or just listed the alternatives.
 
 clarify that the available backends are the ones this build supports
 
 plus add some formatting
 
 Reported-by: Rich Gray
 Bug: https://curl.haxx.se/mail/lib-2017-08/0119.html

- curl/multi.h: remove duplicated closing c++ brace
 
 Regression since 1328f69d53f2f2e93
 
 Fixes #1841
 Reported-by: Andrei Karas

- RELEASE-NOTES: synced with 8c33c963a

- HELP-US.md: spelling

- HELP-US.md: "How to get started helping out in the curl project"
 
 Closes #1837

Dan Fandrich (29 Aug 2017)
- asyn-thread: Fixed cleanup after OOM
 
 destroy_async_data() assumes that if the flag "done" is not set yet, the
 thread itself will clean up once the request is complete. But if an
 error (generally OOM) occurs before the thread even has a chance to
 start, it will never get a chance to clean up and memory will be leaked.
 By clearing "done" only just before starting the thread, the correct
 cleanup sequence will happen in all cases.

Daniel Stenberg (28 Aug 2017)
- curl_global_init.3: mention curl_global_sslset(3)

Dan Fandrich (28 Aug 2017)
- unit1606: Fixed shadowed variable warning

- asyn-thread: Improved cleanup after OOM situations

- asyn-thread: Set errno to the proper value ENOMEM in OOM situation
 
 This used to be set in some configurations to EAI_MEMORY which is not a
 valid value for errno and caused Curl_strerror to fail an assertion.

Daniel Stenberg (28 Aug 2017)
- [Johannes Schindelin brought this change]

 configure: Handle "MultiSSL" specially When versioning symbols
 
 There is a mode in which libcurl is compiled with versioned symbols,
 depending on the active SSL backend.
 
 When multiple SSL backends are active, it does not make sense to favor
 one over the others, so let's not: introduce a new prefix for the case
 where multiple SSL backends are compiled into cURL.
 
 Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

- [Johannes Schindelin brought this change]

 configure: allow setting the default SSL backend
 
 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>

- [Johannes Schindelin brought this change]

 vtls: use Curl_ssl_multi pseudo backend only when needed
 
 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>

- [Johannes Schindelin brought this change]

 version: if built with more than one SSL backend, report all of them
 
 To discern the active one from the inactive ones, put the latter into
 parentheses.
 
 Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

- [Johannes Schindelin brought this change]

 version: add the CURL_VERSION_MULTI_SSL feature flag
 
 This new feature flag reports When cURL was built with multiple SSL
 backends.
 
 Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

- [Johannes Schindelin brought this change]

 metalink: allow compiling with multiple SSL backends
 
 Previously, the code assumed that at most one of the SSL backends would
 be compiled in, emulating OpenSSL's functions if the configured backend
 was not OpenSSL itself.
 
 However, now we allow building with multiple SSL backends and choosing
 one at runtime. Therefore, metalink needs to be adjusted to handle this
 scenario, too.
 
 Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

- [Johannes Schindelin brought this change]

 docs/examples: demonstrate how to select SSL backends
 
 The newly-introduced curl_global_sslset() function deserves to be
 show-cased.
 
 Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

- [Johannes Schindelin brought this change]

 Add a man page for curl_global_sslset()
 
 Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

- [Johannes Schindelin brought this change]

 vtls: introduce curl_global_sslset()
 
 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>

- [Johannes Schindelin brought this change]

 vtls: refactor out essential information about the SSL backends
 
 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>

- [Johannes Schindelin brought this change]

 vtls: allow selecting which SSL backend to use at runtime
 
 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>

- [Johannes Schindelin brought this change]

 vtls: fold the backend ID into the Curl_ssl structure
 
 Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

- [Johannes Schindelin brought this change]

 curl_ntlm_core: don't complain but #include OpenSSL header if needed
 
 Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

- [Johannes Schindelin brought this change]

 vtls: encapsulate SSL backend-specific data
 
 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>

- [Johannes Schindelin brought this change]

 vtls: prepare the SSL backends for encapsulated private data
 
 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>

- [Johannes Schindelin brought this change]

 urldata.h: move SSPI-specific #include to correct location
 
 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>

- [Johannes Schindelin brought this change]

 urldata.h: remove support for obsolete PolarSSL version
 
 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>

- [Johannes Schindelin brought this change]

 getinfo: access SSL internals via Curl_ssl
 
 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>

- [Johannes Schindelin brought this change]

 vtls: move SSL backends' private constants out of their header files
 
 Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

- [Johannes Schindelin brought this change]

 axtls: use Curl_none_* versions of init() and cleanup()
 
 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>

- [Johannes Schindelin brought this change]

 vtls: remove obsolete declarations of SSL backend functionality
 
 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>

- [Johannes Schindelin brought this change]

 schannel: reorder functions topologically
 
 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>

- [Johannes Schindelin brought this change]

 axtls: reorder functions topologically
 
 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>

- [Johannes Schindelin brought this change]

 vtls: move the SUPPORT_HTTPS_PROXY flag into the Curl_ssl struct
 
 That will allow us to choose the SSL backend at runtime.
 
 Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

- [Johannes Schindelin brought this change]

 vtls: convert the have_curlssl_* constants to runtime flags
 
 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>

- [Johannes Schindelin brought this change]

 vtls: move sha256sum into the Curl_ssl struct
 
 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>

- [Johannes Schindelin brought this change]

 vtls: move md5sum into the Curl_ssl struct
 
 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>

- [Johannes Schindelin brought this change]

 vtls: use the Curl_ssl struct to access all SSL backends' functionality
 
 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>

- [Johannes Schindelin brought this change]

 vtls: declare Curl_ssl structs for every SSL backend
 
 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>

- [Johannes Schindelin brought this change]

 vtls: introduce a new struct for SSL backends
 
 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>

- [Johannes Schindelin brought this change]

 vtls: make sure every _sha256sum()'s first arg is const
 
 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>

- [Johannes Schindelin brought this change]

 vtls: make sure all _data_pending() functions return bool
 
 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>

- [Johannes Schindelin brought this change]

 vtls: make sure all _cleanup() functions return void
 
 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>

- [Johannes Schindelin brought this change]

 vtls: use consistent signature for _random() implementations
 
 This will make the upcoming multissl backend much easier to implement.
 
 Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

- strtooff: fix build for systems with long long but no strtoll option
 
 Closes #1829
 
 Reported-by: Dan Fandrich
 Bug: https://github.com/curl/curl/pull/1758#issuecomment-324861615

- darwinssl: handle long strings in TLS certs
 
 ... 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

- system.h: include sys/poll.h for AIX
 
 ... to get the event/revent defines that might be used for the poll
 struct.
 
 Reported-by: Michael Smith
 Fixes #1828
 Closes #1833