Changes in 7.75.0 - February 3 2021

Changes:

• curl: add --create-file-mode [mode]
• curl: add new variables to --write-out
• dns: extend CURLOPT_RESOLVE syntax for adding non-permanent entries
• gopher: implement secure gopher protocol
• http: add Hyper as new optional HTTP backend
• http: introduce AWS HTTP v4 Signature support

Bugfixes:

• badsymbols.pl: add verbose mode -v
• badsymbols.pl: ignore stand-alone single hash lines
• BUG-BOUNTY: minor language updates
• build: fix djgpp builds
• cleanup: fix empty expression statement has no effect
• cmake: Add an option to disable libidn2
• cmake: enable gophers correctly in curl-config
• cmake: expose CURL_DISABLE_OPENSSL_AUTO_LOAD_CONFIG
• cmdline-opts/gen.pl: return hard on errors
• cmdline-opts/retry.d: mention response code 429 as well
• configure: set -Wextra-semi-stmt for clang with --enable-debug
• connect: defer port selection until connect() time
• connect: mark intentional ignores of setsockopt return values
• connect: on linux, enable reporting of all ICMP errors on UDP sockets
• connect: zero variable on stack to silence valgrind complaint
• cookie: avoid the C1001 internal compiler error with MSVC 14
• curl.1: fix typo microsft -> microsoft
• curl: fix handling of -q option
• curl: include the filename in --xattr/--remote-time error msgs
• curl: move fprintf outputs to warnf
• Curl_chunker: shrink the struct
• curl_easy_pause.3: add multiplexed pause effects
• CURLINFO_PRETRANSFER_TIME.3: clarify
• CURLOPT_URL.3: remove scheme specific details
• digest_sspi: Show InitializeSecurityContext errors in verbose mode
• docs/examples: adjust prototypes for CURLOPT_READFUNCTION
• docs/URL-SYNTAX: the URL syntax curl accepts and works with
• docs: enable syntax highlighting in several docs files
• docs: fix line length bug in gen.pl
• docs: fix typos in NEW-PROTOCOL.md
• docs: fix wrong documentation in help.d
• docs: remove redundant "better" in --fail help
• doh: allocate state struct on demand
• examples/libtest: add .checksrc to dist
• examples: remove superfluous asterisk uses
• failf: remove newline from formatting strings
• file: don't provide content-length for directories
• getinfo: build with disabled HTTP support
• gitattributes: Set batch files to CRLF line endings on checkout
• h2: do not wait for RECV on paused transfers
• HISTORY: added dates to early history
• http: empty reply connection are not left intact
• http: get CURLOPT_REQUEST_TARGET working with an HTTP proxy
• http: have CURLOPT_FAILONERROR fail after all headers
• http: make providing Proxy-Connection header not cause duplicated headers
• http: show the request as headers even when split-sending
• http_chunks: correct and clarify a comment on hexnumber length
• http_proxy: Fix CONNECT chunked encoding race condition
• httpauth: make multi-request auth work with custom port
• INSTALL: now at 85 operating systems
• INSTALL: update the list known OSes and CPU archs curl has run on
• lib/unit tests: add missing curl_global_cleanup() calls
• lib1564/5: verify that curl_multi_wakeup returns OK
• lib: pass in 'struct Curl_easy *' to most functions
• lib: remove Curl_ prefix from many static functions
• lib: save a bit of space with some structure packing
• libssh2: fix "Value stored to 'readdir_len' is never read"
• libssh2: move data from connection object to transfer object
• libssh: avoid plain free() of libssh-memory
• mime: make sure setting MIMEPOST to NULL resets properly
• misc: assorted typo fixes
• misc: fix "warning: empty expression statement has no effect"
• misc: fix typos
• mk-ca-bundle.pl: deterministic output when using -t
• mqtt: deal with 0 byte reads correctly
• mqtt: handle POST/PUBLISH without a set POSTFIELDSIZE
• multi: set the PRETRANSFER time-stamp when we switch to PERFORM
• multi: skip DONE state if there's no connection left for ftp wildcard
• multi: when erroring in TOOFAST state, act as for PERFORM
• multi_runsingle: bail out early on data->conn == NULL
• ngtcp2: Fix http3 upload stall
• ngtcp2: Fix stack buffer overflow
• ngtcp2: make it build it current master again
• nss: get the runtime version instead of build-time
• openssl: lowercase the hostname before using it for SNI
• OS400: update ccsidcurl.c
• pretransfer: setup the User-Agent header here
• quiche: remove fprintf() leftover
• Revert "CI/github: work-around for brew breakage on macOS"
• runtests: add 'wakeup' as a feature
• runtests: add support for %if [feature] conditions
• runtests: preprocess DISABLED to allow conditionals
• schannel: plug a memory-leak
• schannel_verify: fix safefree call typo
• select: convert Curl_select() to private static function
• socks: use the download buffer instead
• speedcheck: exclude paused transfers
• strerror: skip errnum >= 0 assertion on windows
• test1522: add debug tracing
• test1633: set appropriate name
• test179: use consistent header line endings
• test410: verify HTTPS GET with a 49K request header
• tests/mqttd: extract the client id from the correct offset
• tests: make --libcurl tests only test FTP options if ftp enabled
• tool_doswin: Restore original console settings on CTRL signal
• tool_operate: fix the suppression logic of some error messages
• tool_operate: spellfix a comment
• tooĺ_writeout: fix the -w time output units
• transfer: fix GCC 10 warning with flag '-Wint-in-bool-context'
• travis: build ngtcp2 --with-gnutls
• travis: limit the tests with quiche builds to HTTPS and FTPS only
• travis: restrict the openssl3 job to only run https and ftps tests
• url: if IDNA conversion fails, fallback to Transitional
• urldata: make magic be the first struct field
• urldata: remove 'local_ip' from the connectdata struct
• urldata: remove duplicate 'upkeep_interval_ms' from connectdata
• urldata: remove duplicate port number storage
• urldata: remove the duplicate 'ip_addr_str' field
• urldata: store ip version in a single byte
• vtls: remove md5sum
• warnless: remove curlx_ultosi
• wolfssl: add SECURE_RENEGOTIATION support
• wolfssl: Support wolfSSL builds missing TLS 1.1

Further