`Curl_bufq_unwrite()` used the head instead of the tail chunk to shrink
the bufq's content. Fix this and add test case that checks correct
behaviour.
Amended test 2601 accordingly.
Reported-by: Chris Stubbs
Closes#15136
Previously this document stated we would do it after February, but now
it will be done already for the first January 2025 release.
The reason being that since we decided to deprecate hyper, the
degradation speed has increased as now no one bothers to fix issues in
the hyper side of things. Also: not a single soul has yet spoken up in
favor of keeping the support.
Closes#15135
curl_multi_init - mention the caches held by the handle
curl_multi_cleanup - mention that the socket callback might be invoked
by this function
Closes#15109
Add `CURL_CA_SEARCH_SAFE` build-time option to enable CA bundle search
in the `curl` tool directory. The lookup method was already used to find
`.curlrc` and `_curlrc` (on Windows). On Windows it overrides the unsafe
default `SearchPath()` method.
Enable with:
- cmake: `-DCURL_CA_SEARCH_SAFE=ON`
- autotools: `--enable-ca-search-safe`
- raw: `CPPFLAGS=-DCURL_CA_SEARCH_SAFE`
On Windows, before this patch the whole `PATH` was searched for
a CA bundle. `PATH` may contain unwanted or world-writable locations,
including the current directory. Searching them all is convenient to
pick up any CA bundle, but not secure.
The Muldersoft curl distro implements such CA search via a custom
patch for Windows:
cd652d4792/patch/curl_tool_doswin.diff (L50)
MSYS2/mingw-w64 distro has also been rolling a patch solving this:
https://github.com/msys2/MINGW-packages/blob/master/mingw-w64-curl/0001-Make-cURL-relocatable.patchhttps://github.com/msys2/MINGW-packages/blob/master/mingw-w64-curl/pathtools.c
Also add option to fully disable Windows CA search:
- cmake: `-DCURL_DISABLE_CA_SEARCH=ON`
- autotools: `--disable-ca-search`
- raw: `CPPFLAGS=-DCURL_DISABLE_CA_SEARCH`.
Both options are considered EXPERIMENTAL, with possible incompatible
changes or even (partial) removal in the future, depending on feedback.
An alternative, secure option is to embed the CA bundle into the binary.
Safe search can be extended to other platforms if necessary or useful,
by using `_NSGetExecutablePath()` (macOS),
`/proc/self/exe` (Linux/Cygwin), or `argv[0]`.
Closes#14582
- make `curl.1` and `curl.txt` depend on `DPAGES`.
To trigger a rebuild when an individual manpage is updated.
- tell CMake that the cmdline-opts command also creates `curl.txt`.
- make `tool_hugehelp.c` depend on `curl.txt` (was: `curl.1`), to match
what it actually uses for input.
- stop using `generate-curl.1` as an indirect way to create `curl.txt`
in time for `tool_hugehelp.c`. After the fixes above there is a direct
depedency chain between them.
- move `ASCIIPAGE` and `MANPAGE` variables to top-level, re-use them in
`src` and prefix them with `CURL_` to avoid clashing with other
projects.
- drop double quotes from `generate-curl.1` as a hint that it is not
a filename, but a target name.
- src: tidy up order of dependency lists.
Closes#14883
Suppress deprecation warnings the closest to the deprecated code, using
`CURL_IGNORE_DEPRECATION()`. Then drop build-specific suppressions, and
file-wide ones. The latter is not compatible with Unity mode. Also
replace manual suppressions with a macro to apply to all compilers with
deprecation warning support. Also enable deprecation warnings for clang.
- curl/curl.h: enable deprecation warnings for clang.
- docs/examples: stop setting `CURL_DISABLE_DEPRECATION` with autotools.
Suppression moved to C-level earlier. Syncs with cmake.
Follow-up to 5fc61a37c1#14123
- tests/http/clients: stop setting `CURL_DISABLE_DEPRECATION` in
autotools. If it becomes necessary in the future, it can be done in
C via the macro. Syncs with cmake.
- lib1545: stop setting `CURL_DISABLE_DEPRECATION` in autotools.
Drop guard from test source.
Follow-up to 0f10360073#12444
- libtest, unit: replace `CURL_DISABLE_DEPRECATION` with
`CURL_IGNORE_DEPRECATION()`.
- docs/examples: replace pragmas with `CURL_IGNORE_DEPRECATION()`.
Closes#14789
- Move `docs/examples` builds under a separate target.
- Make `BUILD_EXAMPLES` default to `ON`. It means to generate the rules
for `docs/examples` by default, but not build them. To build them,
an explicit `make curl-examples` (or ninja, etc) command is necessary.
This syncs behaviour with autotools, and also how both cmake and
autotools are building tests.
- GHA: update cmake jobs to use the new way of building examples.
- GHA: move examples build step at the end of the job, after building
and running tests. This allows to have build and test run results
faster, and leave the seldom-changing examples build to the end.
Building examples is the slowest build step with no practical way to
make them fast.
- appveyor: enable building examples in two old-MSVC jobs.
- examples: fix examples to build cleanly with old MSVC versions.
- GHA/non-native: move example build log under a GHA foldable section.
- GHA/windows: move building examples into separate step for Linux cross
jobs.
Follow-up to dfdd978f7c#13491Closes#14906
When a full URL is set (parsed), the hostname component is stored URL
decoded (with default zero flags).
While perhaps surprising and inconsistent, the API has done this for
quite some time already and changigtn this now would break existing
behaviour.
Fixes#14942
Reported-by: Venkat Krishna R
Closes#14946
Now that the curl rustls vtls backend is using rustls 0.14 we can
address the weak random situation by using
`rustls_default_crypto_provider_random()` to provide a `Curl_ssl`
`random` callback that fills the provided buffer with cryptographically
secure random data.
The mentions in `docs/` about weak RNG when using rustls are removed as
they are no longer applicable.
Closes#14889
* Documentation is updated to describe new required version, and to link
to the upstream README about cryptography providers.
* GitHub workflow is updated to fetch 0.14.0.
* Breaking changes in`lib/vtls/rustls.c` are addressed:
* The `rustls_client_config_builder_build()` function now uses an out
parameter for the built config instead of returning it directly.
This allows the building process to fail if the default crypto
provider state isn't appropriate, or another error condition occurs.
* Default ciphersuites are collected using renamed functions named to
make it clear the ciphersuites are associated with the default
crypto provider.
* Customization of ciphersuites is now done via
a `rustls_crypto_provider_builder` used to instantiate a
`rustls_crypto_provider`. The customized provider can then can be
used with `rustls_client_config_builder_new_custom` in place of
providing ciphersuites directly.
* `rustls_connection_get_negotiated_ciphersuite()` now returns the
ciphersuite ID directly.
Closes#14889
Went through CURLOPTTYPE_STRINGPOINT and CURLOPTTYPE_SLISTPOINT options
and clarified:
- what happens when setting the option *again*
- setting to NULL disables/restores to default
- libcurl does not copy the slist for options using a such
Closes#14846
... so it adds the risk of making the header too long. Clarify this
better.
Also: remove the PSL mention from here since it is not really relevant
for this option as this option is for specific *outgoing* cookies only.
Reported-by: Hiroki Kurosawa
Closes#14839
- Move all Windows unicode issues into the single "bug", as they are all
at least semi-related
- Removed ancient issues that are not relevant anymore
Closes#14775
Change mingw-w64 printf format checks in public curl headers to use
`__MINGW_PRINTF_FORMAT` instead of `gnu_printf`. This syncs the format
checker with format string macros published via `curl/system.h`. (Also
disable format checks for mingw-w64 older than 3.0.0 (2013-09-20) and
classic-mingw, which do not support this macro.)
This fixes bogus format checker `-Wformat` warnings in 3rd party code
using curl format strings with the curl printf functions, when using
mingw-w64 7.0.0 (2019-11-10) and older (with GCC, MSVCRT).
It also allows to delete two workaounds for this within curl itself:
- setting `-D__USE_MINGW_ANSI_STDIO=1` for mingw-w64 via cmake and
configure for `docs/examples` and `tests/http/clients`.
Ref: c730c8549b#14640
The format check macro is incompatible (depending on mingw-w64 version
and configuration) with the C99 `%z` (`size_t`) format string used
internally by curl.
To work around this problem, override the format check style in curl
public headers to use `gnu_printf`. This is compatible with `%z` in all
mingw-w64 versions and allows keeping the C99 format strings internally.
Also:
- lib/ws.c: add missing space to an error message.
- docs/examples/ftpgetinfo.c: fix to use standard printf.
Ref: #14643 (take 1)
Follow-up to 3829759bd0#12489Closes#14703
Existing C macro lacked build-level counterparts.
Add them in this patch.
- cmake: `-DCURL_DISABLE_SHA512_256=ON`
- autotools: `--disable-sha512-256`
Also drop the checker exception from `test1165.pl`.
Follow-up to cbe41d151d#12897Closes#14753
Before this patch the targe OS was used, which prevented building
libcurl manpages in larger batches in cross-builds targeting e.g.
Windows.
Update the condition to use `CMAKE_HOST_UNIX` instead of `UNIX`.
This variable has been available since CMake 2.6.0:
176fe63d15
Follow-up to bb84f82476#13207Closes#14733
Previously this functionality was limited to platforms that not already
use CRLF as native line endings.
TODO: 4.5 ASCII support now considered fixed
Closes#14717
- reuse local variable names.
- sync `PROJECT_LABEL`, add where missing.
- namespace all target names.
- bind header directories to each target.
- tests/server: limit `CURL_STATICLIB` to Windows (as in autotools.)
- drop functions with a single caller.
Closes#14660
Add tweak for mingw-w64 when building tests/http/client programs to
avoid a bogus `-Wformat` warning when using mingw-w64 v7.0.0 or older.
The warning is bogus because these programs use curl's `printf()`
implementation that is guaranteed to support that format spec.
Add this for both CMake and autotools. (But only CMake is CI tested with
an old toolchain.)
Apply the workaround to `docs/examples`, and fix an example to use
curl's `printf()` with `CURL_FORMAT_CURL_OFF_T`.
Reintroduce curl `printf()` calls into `tests/http/client`, via #14625.
Also restore large number masks to a printf, changed earlier in #14382.
Follow-up to 232302f88a#14382
Ref: https://github.com/curl/curl/pull/14625#issuecomment-2302361737Closes#14640
also done in CURLOPT_PROGRESSFUNCTION.md
This changes the wording to say that 1 should be returned instad of
non-zero to return error from the callback. I did this to simplify, even
if other non-zero values still do the same thing I figure we might just
as well just leave out the others from the documentation.
Fixes#14627
Reported-by: Benjamin Riefenstahl Mecom
Closes#14637
These are files and documentation for established functionality that
should by now be covered properly and completely in the standard
documentation and in everything curl. Having these extra files provides
duplicated information where they risk being out of sync.
Closes#14553
The entire ASCII version of the manpage word wraps at a fixed column,
while example command lines can easily go wider than so.
This change now makes manage work on wrapping long example command lines
to make them look nicer. And also to avoid triggering the build error
caused by too long lines in the output.
Quoted lines cannot be wrapped, so managen now errors out if they are
"too long". With this addition, the 'maxline' script is removed as it is
no longer needed.
Closes#14543
- converted the Curl_hash_count() macro to a function
- Discourage accessing struct fields directly
- Document the internal API in HASH.md
Closes#14503
Give a more consice overview of curl's cipher options and cipher suites.
Removed long lists of ciphers that were directly copied from the SSL
backends' documentation. Instead present the user a more common aproach
acorss the SSL backends, with notes for backends that do not conform
and/or provide alternate means.
Provide a shorter list of cipher suites that is more relevant for modern
usage and should work mostly across all backends, provide a seperate
list with all cipher suites, and provide links to the SSL backends'
documentation for more information.
Also give examples with modern cipher suites.
Add docs/CIPHERS-TLS12.md for TLS 1.2 ciphers.
Closes#14460
Before, setting CURLOPT_SSLVERSION with wolfSSL restricted the the tls
proto to just the specified version. Now it properly supports a range.
So it can set the min and max tls proto (max requires wolfSSL 4.2.0).
Bump the absolute minimum required version of wolfSSL to 3.4.6 (released
2015) because it is needed for the wolfSSL_CTX_SetMinVersion() function.
Closes#14480
When using `curl_ws_send()`, perform a blocking send of the data under
the following conditions:
- the websocket is in raw mode and the call is done from within a curl
callback. A partial write of the data could subsequently mess up the
ws framing, as a callback has a hard time handling this.
- the websocket is encoding the data itself, has added it to its
internal sendbuf. A partial flush of the buffer has unclear semantics
for the caller, as they will have no idea what to send again.
Fixes WebSockets tests with CURL_DBG_SOCK_WBLOCK=90 set.
Closes#14458
Rename internal macros to match their `libcurl.pc` metadata counterpart.
Also apply these to the `curl-config.in` template.
- `CPPFLAG_CURL_STATICLIB` -> `LIBCURL_PC_CFLAGS`
- `LIBCURL_LIBS` -> `LIBCURL_PC_LIBS_PRIVATE`
- `LIBCURL_NO_SHARED` -> `LIBCURL_PC_LIBS`
Closes#14476
- Turned them all into functions to also do asserts etc.
- The llist related structs got all their fields renamed in order to make
sure no existing code remains using direct access.
- Each list node struct now points back to the list it "lives in", so
Curl_node_remove() no longer needs the list pointer.
- Rename the node struct and some of the access functions.
- Added lots of ASSERTs to verify API being used correctly
- Fix some cases of API misuse
Add docs/LLIST.md documenting the internal linked list API.
Closes#14485
... using the new script 'maxline' to which we specify the maximum
number of columns we allow any single line to be, or it will cause an
error.
Starting out with a max width at 100 columns.
Bonus: shorten the long line in the --ipfs-gateway section.
Closes#14423
- quote string literals.
In the hope it improves syntax-highlighting and readability.
- use lowercase, underscore-prefixed local var names.
As a hint for scope, to help readability.
- prefer `pkg_search_module` (over `pkg_check_modules`).
They are the same, but `pkg_search_module` stops searching
at the first hit.
- more `IN LISTS` in `foreach()`.
- OtherTests.cmake: clear `CMAKE_EXTRA_INCLUDE_FILES` after use.
- add `PROJECT_LABEL` for http/client and unit test targets.
- sync `Find*` module comments and formatting.
- drop a few local variables.
- drop bogus `CARES_LIBRARIES` from comment.
- unquote numeric literal.
Follow-up to acbc6b703f#14197Closes#14388
- make mentioning `-v` on the curl command line increase the
verbosity of the trace output
- related discussion https://github.com/curl/curl/discussions/13810
- make a single -v revert all previous -v+ changes
- make --no-verbose also reset all trace configs
Closes#13977
- sync build-dir/source-dir header path order with autotools, by
including build-dir first, then source-dir.
This prevents out-of-tree builds breaking due to leftover generated
headers in the source tree.
- tests/unit: move `src` ahead of `libtest` in header path, syncing with
autotools.
- stop adding non-existing generated `include` dir to header path.
There are no generated `include` headers and this directory is either
missing in out-of-tree builds or the same as the one already added
globally via the root `CMakeLists.txt`.
- lib: stop adding a duplicate source include directory to the header
path.
It's already added globally via the root `CMakeLists.txt`.
- lib: stop adding the project root to the header path.
- docs/examples: drop internal header paths.
Examples do not and should not use internal headers.
- replace `curl_setup_once.h` in comments with `curl_setup.h`,
the header actually used, and also referred to in autotools comments.
- add comment why we need `src` in include path for `tests/server`.
- add quotes around header directories.
Closes#14416
wolfSSL supports setting certificates/private keys from memory blobs
which allow us to implement both CURLOPT_SSLCERT_BLOB and
CURLOPT_SSLKEY_BLOB options.
Closes#14018
- Determine which connection cache is or will be used by the easy handle
and perform connection upkeep on that cache.
This change allows curl_easy_upkeep to be effective on easy handles that
are using a shared connection cache, either from a user created shared
connection cache or a user created multi which has its own shared
connection cache.
Prior to this change curl_easy_upkeep would upkeep the connection cache
for the easy handle only if that cache was from the multi owned by the
easy handle (ie curl_easy_perform was previously called and there's a
connection cache exclusive to the easy handle in
data->multi_easy->conn_cache).
Ref: https://curl.se/mail/lib-2024-01/0016.html
Closes https://github.com/curl/curl/pull/12677
- For HTTPS if http2-prior-knowledge is set then only offer h2 (HTTP/2)
alpn to the server for protocol negotiation.
Prior to this change both HTTP/2 ("h2") and HTTP/1.1 ("http/1.1") were
offered for ALPN when http2-prior-knowledge was set.
CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE (tool: --http2-prior-knowledge) is
meant to send non-TLS HTTP requests HTTP/2 when it is known the server
supports them. However when HTTPS is used then it attempts to first
negotiate the connection with ALPN. In that case the user likely does
not want to offer http/1.1 to the server as an acceptable protocol.
Reported-by: kit-ty-kate@users.noreply.github.com
Fixes https://github.com/curl/curl/issues/9963
Closes https://github.com/curl/curl/pull/14266
With this option, the entire download is skipped if the selected target
filename already exists when the opertion is about to begin.
Test 994, 995 and 996 verify.
Ref: #11012Closes#13993
Use these words and casing more consistently across text, comments and
one curl tool output:
AIX, ALPN, ANSI, BSD, Cygwin, Darwin, FreeBSD, GitHub, HP-UX, Linux,
macOS, MS-DOS, MSYS, MinGW, NTLM, POSIX, Solaris, UNIX, Unix, Unicode,
WINE, WebDAV, Win32, winbind, WinIDN, Windows, Windows CE, Winsock.
Mostly OS names and a few more.
Also a couple of other minor text fixups.
Closes#14360
Since the documentation text blob might be gzipped, it needs to search
for what to output in a streaming manner. It then first searches for
"\nALL OPTIONS".
Then, it looks for the start to display at "\n -[option]" and stops
again at "\n -". Except for the last option in the man page, which
ends at "\nFILES" - the subtitle for the section following all options
in the manpage.
Test 1707 to 1710 verify
Closes#13997
... or pick the last directory part from the path if available.
Instead of returning error.
Add test 690 and 691 to verify. Test 76 and 2036 no longer apply.
Closes#13988
- tidy-up comments.
- use lowercase, underscore prefixed names for internal variables.
- use `IN LISTS` and `IN ITEMS` in `foreach()` loops.
- rename variable name `OUTPUT` to a more distinctive one.
- tidy-up `STREQUAL` syntax.
- delete commented code.
- indent/whitespace.
Closes#14197
Do no more than 5 transfers per 15 seconds with "5/15s" or limit it to 3
transfers per 4 hours with "3/4h" etc.
Previously it would always only work with a single time unit.
Ref: #14242Closes#14245
Add the ability to embed a CA bundle into the curl binary. It is used
when no other runtime or build-time option set one.
This helps curl-for-win macOS and Linux builds to run standalone, and
also helps Windows builds to avoid picking up the CA bundle from an
arbitrary (possibly world-writable) location (though this behaviour is
not currently disablable).
Usage:
- cmake: `-DCURL_CA_EMBED=/path/to/curl-ca-bundle.crt`
- autotools: `--with-ca-embed=/path/to/curl-ca-bundle.crt`
- Makefile.mk: `CURL_CA_EMBED=/path/to/curl-ca-bundle.crt`
Also add new command-line option `--dump-ca-embed` to dump the embedded
CA bundle to standard output.
Closes#14059
- shows how to pass on local variables (better)
- start the transfers nicer (with curl_multi_socket_action)
- consistent and helpful function naming - to better show what functions
and callbacks that are used for what
- build warning-free with gcc -W -Wall -pedantic
Closes#14287
Because it is no longer needed to be done by a person as the dmaketgz
script does it by itself.
Removed two past release dates, added two new future ones
Closes#14267
- make DEFAULT sections less repetitive
- make historic mentions use HISTORY
- generate the protocols section on `# %PROTOCOLS%` instead of guessing
where to put it
- generate the availability section on `# %AVAILABILITY%` instead of
guessing where to put it
- make the protocols section more verbose
Closes#14227
- generate AVAILABILITY manpage sections automatically - for consistent
wording
- allows us to double-check against other documumentation (symbols-in-versions
etc)
- enables proper automation/scripting based on this data
- lots of them were wrong or missing in the manpages
- several of them repeated (sometimes mismatching) backend support info
Add test 1488 to verify "added-in" version numbers against
symbols-in-versions.
Closes#14217
The man pages for curl_easy_getinfo, curl_easy_setopt and
curl_multi_setopt now feature the lists of options alphabetically
sorted. Test 1139 verify that they are.
The curl_multi_setopt page also got brief explanations of the listed
options.
Closes#14156
Simplify making clean builds by silencing deprecation warnings inside
the example code where these may occur.
Drop related build tweaks/comments from GHA jobs.
Example warning:
```
curl/docs/examples/postit2-formadd.c:65:16: error: 'CURLFORM_COPYNAME' is deprecated: since 7.56.0. Use curl_mime_name() [-Werror=deprecated-declarations]
65 | CURLFORM_COPYNAME, "sendfile",
| ^~~~~~~~~~~~~~~~~
```
Ref: https://github.com/curl/curl/actions/runs/9841099503/job/27166970904#step:10:829Closes#14123
Option cleanups:
--get is not upload
--form* are post
- added several options into ldap, smtp, imap and pop3
- shortened the category descriptions in the list
category curl fixes:
--create-dirs removed from 'curl'
--ftp-create-dirs removed from 'curl'
--netrc moved to 'auth' from 'curl'
--netrc-file moved to 'auth' from 'curl'
--netrc-optional moved to 'auth' from 'curl'
--no-buffer moved to 'output' from 'curl'
--no-clobber removed from 'curl'
--output removed from 'curl'
--output-dir removed from 'curl'
--remove-on-error removed from 'curl'
Add a "global" category:
- Made all "global" options set this category
Add a "deprecated" category:
- Moved the deprecated options to it (maybe they should not be in any
category long term)
Add a 'timeout' category
- Put a number of appropriate options in it
Add an 'ldap' category
- Put the LDAP related option in there
Remove categories "ECH" and "ipfs"
- They should not be categories. Had only one single option each.
Remove category "misc"
- It should not be a category as it is impossible to know when to browse
it.
--use-ascii moved to ftp and output
--xattr moved to output
--service-name moved to auth
Managen fixes:
- errors if an option is given a category name that is not already setup
for in code
- verifies that options set `scope: global` also is put in category
`global´
Closes#14101
Also mention in HTTP3.md
OpenSSL has a bug that messes the config `--libdir=path` to become the
wrong path in its pkgconfig files. If we just pass `--libdir=lib` it
should avoid this.
Ref: #14099
See also: https://github.com/openssl/openssl/issues/23569Closes#14102
- Add --output, --remove-on-error, --output-dir and --created-dirs to
the output help category
- Add --hostpubmd5, --hostpubsha256, --insecure (-k), and --pubkey to
the ssh help category
Closes#14076
GnuTLS todo item about using an equivalent of `SSL_peak()`, which
nicely escaped the word checks, is no longer relevant.
We do not use `SSL_peek()` anymore since connection filters were
introduced.
Closes#14091
Based on the standards and guidelines we use for our documentation.
- expand contractions (they're => they are etc)
- host name = > hostname
- file name => filename
- user name = username
- man page => manpage
- run-time => runtime
- set-up => setup
- back-end => backend
- a HTTP => an HTTP
- Two spaces after a period => one space after period
Closes#14073
Previously this was one single manpage for two functions but as they are
two separate ones since a while back, they should each clearly document
their single specific functions.
Follow-up to eefcc1bda4Closes#14068
- use imperative form
- use lowercase
- no period
- unify some phrases
- fix curl_multi_socket and curl_multi_socket_all to keep their own
descriptions
Closes#14062
These have lingered in the issue tracker for a long time without action.
We don't expect any fixes in the near term either. Move them to the
KNOWN_BUGS document.
Closes#12177Closes#12171Closes#13350Closes#14042
Fix issues detected.
Also:
- One of the `.vc` files used LF EOLs, while the other didn't.
Make that one also use LF EOLs, as this is apparently supported by
`nmake`.
- Drop `.dsw` and `.btn` types from `.gitattributes`.
The repository doesn't use them.
- Sync section order with the rest of files in
`tests/certs/EdelCurlRoot-ca.prm`.
- Indent/align `.prm` and `.pem` files.
- Delete dummy `[something]` section from `.prm` and `.pem` files.
Mental note:
MSVC `.sln` files seem to accept spaces for indentation and also support
LF line-endings. I cannot test this and I don't know what's more
convenient when updating them, so left them as-is, with specific
exclusions.
Closes#14031
When libcurl discards a connection there are two phases this may go
through: "shutdown" and "closing". If a connection is aborted, the
shutdown phase is skipped and it is closed right away.
The connection filters attached to the connection implement the phases
in their `do_shutdown()` and `do_close()` callbacks. Filters carry now a
`shutdown` flags next to `connected` to keep track of the shutdown
operation.
Filters are shut down from top to bottom. If a filter is not connected,
its shutdown is skipped. Notable filters that *do* something during
shutdown are HTTP/2 and TLS. HTTP/2 sends the GOAWAY frame. TLS sends
its close notify and expects to receive a close notify from the server.
As sends and receives may EAGAIN on the network, a shutdown is often not
successful right away and needs to poll the connection's socket(s). To
facilitate this, such connections are placed on a new shutdown list
inside the connection cache.
Since managing this list requires the cooperation of a multi handle,
only the connection cache belonging to a multi handle is used. If a
connection was in another cache when being discarded, it is removed
there and added to the multi's cache. If no multi handle is available at
that time, the connection is shutdown and closed in a one-time,
best-effort attempt.
When a multi handle is destroyed, all connection still on the shutdown
list are discarded with a final shutdown attempt and close. In curl
debug builds, the environment variable `CURL_GRACEFUL_SHUTDOWN` can be
set to make this graceful with a timeout in milliseconds given by the
variable.
The shutdown list is limited to the max number of connections configured
for a multi cache. Set via CURLMOPT_MAX_TOTAL_CONNECTIONS. When the
limit is reached, the oldest connection on the shutdown list is
discarded.
- In multi_wait() and multi_waitfds(), collect all connection caches
involved (each transfer might carry its own) into a temporary list.
Let each connection cache on the list contribute sockets and
POLLIN/OUT events it's connections are waiting for.
- in multi_perform() collect the connection caches the same way and let
them peform their maintenance. This will make another non-blocking
attempt to shutdown all connections on its shutdown list.
- for event based multis (multi->socket_cb set), add the sockets and
their poll events via the callback. When `multi_socket()` is invoked
for a socket not known by an active transfer, forward this to the
multi's cache for processing. On closing a connection, remove its
socket(s) via the callback.
TLS connection filters MUST NOT send close nofity messages in their
`do_close()` implementation. The reason is that a TLS close notify
signals a success. When a connection is aborted and skips its shutdown
phase, the server needs to see a missing close notify to detect
something has gone wrong.
A graceful shutdown of FTP's data connection is performed implicitly
before regarding the upload/download as complete and continuing on the
control connection. For FTP without TLS, there is just the socket close
happening. But with TLS, the sent/received close notify signals that the
transfer is complete and healthy. Servers like `vsftpd` verify that and
reject uploads without a TLS close notify.
- added test_19_* for shutdown related tests
- test_19_01 and test_19_02 test for TCP RST packets
which happen without a graceful shutdown and should
no longer appear otherwise.
- add test_19_03 for handling shutdowns by the server
- add test_19_04 for handling shutdowns by curl
- add test_19_05 for event based shutdowny by server
- add test_30_06/07 and test_31_06/07 for shutdown checks
on FTP up- and downloads.
Closes#13976
- up the limit: remove all mentions of 7.60 or earlier from manpage
7.60 is 6 years old now.
- warn on "broken" added in lines, as they avoid detection
- fixup added in markup in a few curldown files
Closes#14002
Support "curl -h --insecure" etc to output the manpage section for the
--insecure command line option in the terminal. Should be possible to
work with either long or short versions of command line options.
Closes#13990
If a malicious server can trigger a NULL dereference in curl or
otherwise cause curl to crash (and nothing worse), chances are big that
we do not consider that a security problem.
Closes#13974
There are a places where man pages reference deprecated CURLOPT options,
where it doesn't make sense, replace them with the reccomended
replacement option.
also remove reference to the removed mesalink TLS backend
Closes#13951
- cmake: populate for dependencies.
- autotools: populate for dependencies.
(including mbedtls, though the script does not detect
mbedtls through pkgconfig. mbedtls 3.6.0 now supports it.)
Skip dealing with gssapi in this patch.
Fixes#864Closes#13911
This adds connection shutdown infrastructure and first use for FTP. FTP
data connections, when not encountering an error, are now shut down in a
blocking way with a 2sec timeout.
- add cfilter `Curl_cft_shutdown` callback
- keep a shutdown start timestamp and timeout at connectdata
- provide shutdown timeout default and member in
`data->set.shutdowntimeout`.
- provide methods for starting, interrogating and clearing
shutdown timers
- provide `Curl_conn_shutdown_blocking()` to shutdown the
`sockindex` filter chain in a blocking way. Use that in FTP.
- add `Curl_conn_cf_poll()` to wait for socket events during
shutdown of a connection filter chain.
This gets the monitoring sockets and events via the filters
"adjust_pollset()" methods. This gives correct behaviour when
shutting down a TLS connection through a HTTP/2 proxy.
- Implement shutdown for all socket filters
- for HTTP/2 and h2 proxying to send GOAWAY
- for TLS backends to the best of their capabilities
- for tcp socket filter to make a final, nonblocking
receive to avoid unwanted RST states
- add shutdown forwarding to happy eyeballers and
https connect ballers when applicable.
Closes#13904
Multipath TCP (MPTCP), standardized in RFC8684 [1], is a TCP extension
that enables a TCP connection to use different paths.
Multipath TCP has been used for several use cases. On smartphones, MPTCP
enables seamless handovers between cellular and Wi-Fi networks while
preserving established connections. This use-case is what pushed Apple
to use MPTCP since 2013 in multiple applications [2]. On dual-stack
hosts, Multipath TCP enables the TCP connection to automatically use the
best performing path, either IPv4 or IPv6. If one path fails, MPTCP
automatically uses the other path.
To benefit from MPTCP, both the client and the server have to support
it. Multipath TCP is a backward-compatible TCP extension that is enabled
by default on recent Linux distributions (Debian, Ubuntu, Redhat, ...).
Multipath TCP is included in the Linux kernel since version 5.6 [3]. To
use it on Linux, an application must explicitly enable it when creating
the socket. No need to change anything else in the application.
This attached patch adds an --mptcp option which allows the creation of
an MPTCP socket instead of TCP on Linux. If Multipath TCP is not
supported on the system, an error will be reported. It is important to
note that if the end server doesn't support MPTCP, the connection will
continue after a seamless fallback to TCP.
Link: https://www.rfc-editor.org/rfc/rfc8684.html [1]
Link: https://www.tessares.net/apples-mptcp-story-so-far/ [2]
Link: https://www.mptcp.dev [3]
Co-developed-by: Dorian Craps (@CrapsDorian) <doriancraps@gmail.com>
Co-developed-by: Olivier Bonaventure (@obonaventure) <Olivier.Bonaventure@uclouvain.be>
Co-developed-by: Matthieu Baerts (@matttbe) <matttbe@kernel.org>
Signed-off-by: Dorian Craps <dorian.craps@student.vinci.be>
Closes#13278
Introduce new notation for CURLOPT_INTERFACE / --interface:
ifhost!<interface>!<host>
Binding to an interface doesn't set the address, and an interface can
have multiple addresses.
When binding to an address (without interface), the kernel is free to
choose the route, and it can route through any device that can access
the target address, not necessarily the one with the chosen address.
Moreover, it is possible for different interfaces to have the same IP
address, on which case we need to provide a way to be more specific.
Factor out the parsing part of interface option, and add unit tests:
1663.
Closes#13719
- Remove the locking callback code that demonstrates how to meet
requirements of threading libraries (mainly OpenSSL).
Locking callback code has not been needed for many years. According to
the documentation for OpenSSL and GnuTLS they are thread-safe by design,
assuming support for the underlying OS threading API is built-in.
Ref: https://github.com/curl/curl/pull/13850#issuecomment-2143538458
Closes https://github.com/curl/curl/pull/13851
- similar to openssl, use a shared 'credentials' instance
among TLS connections with a plain configuration.
- different to openssl, a connection with a client certificate
is not eligible to sharing.
- document CURLOPT_CA_CACHE_TIMEOUT in man page
Closes#13795
Used for extracting:
- when used asking for a scheme, it will return CURLUE_NO_SCHEME if the
stored information was a guess
- when used asking for a URL, the URL is returned without a scheme, like
when previously given to the URL parser when it was asked to guess
- as soon as the scheme is set explicitly, it is no longer internally
marked as guessed
The idea being:
1. allow a user to figure out if a URL's scheme was set as a result of
guessing
2. extract the URL without a guessed scheme
3. this makes it work similar to how we already deal with port numbers
Extend test 1560 to verify.
Closes#13616
Like when we list a series of options and then want to add "normal" text
again afterwards.
Without this, the indentation level wrongly continues even after the
final "##" header, making following text wrongly appear to belong to the
header above.
Adjusted several curldown files to use this.
Fixes#13803
Reported-by: Jay Satiro
Closes#13806
Delete a bunch of unnecessary-looking headers from some examples. This
is known to be tricky on AIX (perhaps also in other less-tested envs).
Let me know if any of this looks incorrect or outright fails on some
systems.
Follow-up to d4b8589055#13771Closes#13785
- `websocket.c`: use `Sleep()` on Windows.
`sleep()` and `unistd.h` are not available in MSVC.
- `http2-upload.c`: use local `gettimeofday()` implementation when
compiled with MSVC.
(Alternate solution is to disable the trace function for MSVC.)
Public domain code copied and adapted from libssh2:
e973493f99/src/misc.c (L719-L743)
- silence compiler warning for deprecated `inet_addr()`.
Also drop duplicate winsock2 include.
```
curl\docs\examples\externalsocket.c(125,32): error C2220: the following warning is treated as an error [curl\bld\docs\examples\curl-example-externalsocket.vcxproj]
curl\docs\examples\externalsocket.c(125,32): warning C4996: 'inet_addr': Use inet_pton() or InetPton() instead or define _WINSOCK_DEPRECATED_NO_WARNINGS to disable deprecated API warnings [curl\bld\docs\examples\curl-example-e
```
Ref: https://github.com/curl/curl/actions/runs/9227337318/job/25389073450#step:4:95
- silence an MSVC compiler warning. This is in conflict with `checksrc`
rules, so silence the rule in favour of the warning-free C syntax.
```
curl\docs\examples\multi-legacy.c(152,1): error C2220: the following warning is treated as an error [curl\bld\docs\examples\curl-example-multi-legacy.vcxproj]
curl\docs\examples\multi-legacy.c(152,1): warning C4706: assignment within conditional expression [curl\bld\docs\examples\curl-example-multi-legacy.vcxproj]
```
Ref: https://github.com/curl/curl/actions/runs/9227337318/job/25389073450#step:4:226
- do not use `sys/time.h` and `unistd.h` in Windows builds.
Some of these includes look unnecessary. Subject to another PR.
Cherry-picked from #13766Closes#13771
- Revert to the legacy TLS 1.2 key logging code for LibreSSL.
- Document SSLKEYLOGFILE for LibreSSL is TLS 1.2 max.
Prior to this change if the user specified a filename in the
SSLKEYLOGFILE environment variable and was using LibreSSL 3.5.0+ then
an empty file would be created and no keys would be logged.
This is effectively a revert of e43474b4 which changed openssl.c to use
SSL_CTX_set_keylog_callback for LibreSSL 3.5.0+. Unfortunately LibreSSL
added that function only as a stub that doesn't actually do anything.
Reported-by: Gonçalo Carvalho
Fixes https://github.com/curl/curl/issues/13672
Closes https://github.com/curl/curl/pull/13682
curl drops support for TLS libraries without TLS 1.3 capability after
May 2025.
It requires that a curl build using the library should be able to
negotiate and use TLS 1.3, or else it is not good enough. We support a
vast amount of other TLS libraries that are likely to satisfy users
better.
Closes#13544
- Clear data->state.os_errno before transfer.
- Explain the change in behavior in the CURLINFO_OS_ERRNO doc.
- Add to the CURLINFO_OS_ERRNO doc the list of libcurl network-related
errors that may cause the errno to be saved.
data->state.os_errno is saved before libcurl returns a network-related
failure such as connection failure. It is accessible to the user via
CURLINFO_OS_ERRNO so they can get more information about the failure.
Prior to this change it wasn't cleared before transfer, so if a user
retrieved the saved errno it could be from a previous transfer. That is
because an errno is not always saved for network-related errors.
Closes https://github.com/curl/curl/pull/13574
CURLOPT_EGDSOCKET and CURLOPT_RANDOM_FILE are both completely dead
so remove their example sections since the code there is useless.
There is still a way to inject a random file for OpenSSL older than
1.1.0 but it's not what the example showed (and it's not even done
with this option) so we refrain from documenting it here.
Closes: #13540
Reviewed-by: Daniel Stenberg <daniel@haxx.se>
Starting now, experimental features should have a set of documentated
requirements of what is needed for the feature to graduate.
This adds requirements to all existing experiments.
Closes#13541
Fix wording of comments, and misquotings where `' is markdown parsed
where it shouldn't be, and remove a misspelled preprocessor comment
which really isn't needed (and removing it makes it match surrounding
code better).
Closes: #13538
Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
curl-for-win sometimes includes curl patches that were already merged in
master, but not yet part of a stable release.
Also include the Issues link. Build-specific issues are handled there.
Ref: #13493Closes#13499
- connect to DNS names with trailing dot
- connect to DNS names with double trailing dot
- rustls, always give `peer->hostname` and let it
figure out SNI itself
- add SNI tests for ip address and localhost
- document in code and TODO that QUIC with ngtcp2+wolfssl
does not do proper peer verification of the certificate
- mbedtls, skip tests with ip address verification as not
supported by the library
Closes#13486
You can enable it with `-DBUILD_EXAMPLES=ON`.
To match autotools' `make examples` feature.
Windows (static) builds not tested.
Also enable examples in a pair of CI jobs.
Apply related updates to the macOS CI workflow:
- drop unused `CXX` envs.
- drop no longer needed `-Wno-error=undef -Wno-error=conversion` flags.
- pass `-Wno-deprecated-declarations` to GCC too (for `BUILD_EXAMPLES`).
- document why `-Wno-deprecated-declarations` is necessary.
Closes#13491
Use a lookup list to set the cipher suites, allowing the
ciphers to be set by either openssl or IANA names.
To keep the binary size of the lookup list down we compress
each entry in the cipher list down to 2 + 6 bytes using the
C preprocessor.
Closes#13442
- Call OPENSSL_thread_stop on thread termination (DLL_THREAD_DETACH)
to prevent a memory leak in case OpenSSL is linked statically.
- Warn in libcurl-thread.3 that if OpenSSL is linked statically then it
may require thread cleanup.
OpenSSL may need per-thread cleanup to stop a memory leak. For Windows
and Cygwin if libcurl was built as a DLL then we can do that for the
user by calling OPENSSL_thread_stop on thread termination. However, if
libcurl was built statically then we do not have notification of thread
termination and cannot do that for the user.
Also, there are several other unusual cases where it may be necessary
for the user to call OPENSSL_thread_stop, so in the libcurl-thread
warning I added a link to the OpenSSL documentation.
Co-authored-by: Viktor Szakats
Reported-by: southernedge@users.noreply.github.com
Reported-by: zmcx16@users.noreply.github.com
Ref: https://www.openssl.org/docs/man3.0/man3/OPENSSL_thread_stop.html#NOTES
Fixes https://github.com/curl/curl/issues/12327
Closes https://github.com/curl/curl/pull/12408
The rustls backend advertises SSLSUPP_TLS13_CIPHERSUITES, but
the code does not actually seem to support it (yet?). Removed
the flag and corrected documentation.
Closes#13452
By default the API inhibits empty queries and fragments extracted.
Unless this new flag is set.
This also makes the behavior more consistent: without it set, zero
length queries and fragments are considered not present in the URL. With
the flag set, they are returned as a zero length strings if they were in
fact present in the URL.
This applies when extracting the individual query and fragment
components and for the full URL.
Closes#13396
I implemented the IDN functions for macOS and iOS using Unicode
libraries coming with macOS and iOS.
Builds and runs here on macOS 14.2.1. Also verified to load and
run on older macOS version 10.13.
Build requires macOS SDK 13 or equivalent.
Set `-DUSE_APPLE_IDN=ON` CMake option to enable it.
With autotools and other build tools, set these manual options:
```
CPPFLAGS=-DUSE_APPLE_IDN
LIBS=-licucore
```
Completes TODO 1.6.
TODO: add autotools option and feature-detection.
Refs: #5330#5371
Co-authored-by: Viktor Szakats
Closes#13246
The bounds of the size parameter were not specified, and nor was it
specified how to disable the maximum file size check.
The documentation also incorrectly stated that CURLOPT_MAXFILESIZE
always returns CURLE_OK and that CURLOPT_MAXFILESIZE_LARGE only returns
CURLE_OK or CURLE_UNKNOWN_OPTION.
It also did not mention what the default value is, which is zero. This
commit updates the documentation to make note of all these things.
Closes#13372
It's important to set `CURLOPT_NOPROGRESS` to `0` if you want your
transfer callback function, set by `CURLOPT_XFERINFOFUNCTION`, getting
called. To emphasize this to the users, add this to the code example.
Closes#13348
Rename custom target to namespaced (unique) names to avoid colliding
with 3rd-party projects (e.g. libzip) built together with curl.
Reported-by: hammlee96 on github
Fixes#13324Closes#13326
... no need to use an absolute path, that makes the build unncessarily
fail if invoked using a different mount point. managen now takes options
to find the input files.
Update test1478 to provide the dir arguments to managen
Closes#13281
- add `CURL_TRC_READ()` and `CURL_TRC_WRITE()`
- use in generic client writers and readers, as well
as http headers, chunking and websockets
Closes#13223
This time limit the number of files per command to avoid exceeding
limitations of certain OS/shell envs.
Such known env is Windows with the `cmd.exe` shell, which features an
8K command-line length limit to this day.
Allowlisting `UNIX` to have no limit and using a limit of 200 for other
envs to be safe. If there is a way to detect `cmd.exe` and/or we know
which precise envs are sensitive to this, we can tweak these conditions
further.
Even with the low limit, this patch reduces external commands by 200x,
making builds much faster.
Ref: #127622620aa930b (initial)
Ref: #13047f03c85635f (revert)
Reviewed-by: Daniel Stenberg
Closes#13207
- install `mk-ca-bundle.pl` like autotools does.
- generate and install `mk-ca-bundle.1` and `curl-config.1` like
autotools. This fixes tests 1140 and 1173.
Reported-by: Dan Fandrich
Fixes#13194
- add option `BUILD_MISC_DOCS` to control building the above two
manpages. Enabled by default.
- appveyor: stop disabling tests 1140 and 1173.
Reviewed-by: Daniel Stenberg
Closes#13197
Instead of use 'docs/*.md' in dep5. For clarity and avoiding a wide-
matching wildcard.
+ Remove mention of old files from .reuse/dep5
+ add info to .github/dependabot.yml
+ make scripts/copyright.pl warn on non-matching patterns
Closes#13245
This commit updates the optional rustls-ffi librustls dependency from
0.12.0 to 0.13.0. This version is based on the latest available rustls
release (0.23.4).
The breaking API changes from 0.12.0 to 0.13.0 are in API surface unused
by curl, so this is an in-place update without any code changes.
The `RUSTLS.md` documentation is updated to reflect the new version in
use, and to clarify that `cbindgen` isn't required to build `librustls`
- it's only used by developers to update the vendored `rustls.h` header
file maintained upstream.
Closes#13238
This is the step that was not done and caused the 8.7.0 mishap (it
lacked the correctly generated hugehelp file).
Remove the mention of the copyright script as this is verified by a CI
job these days: the REUSE one.
Closes#13216
make -C docs/cmdline-opts install depends on all-am, which in turn
depends on $(MANS), unconditionally defined to be $(man_MANS).
As with CLEANFILES, only add curl.1 to man_MANS when BUILD_DOCS is true
so we don't try to build curl.1 unnecessarily.
Closes#13198
Lots of organizations distribute curl packages to end users. This is a
collection of pointers to where to learn more about curl on and with
each distro.
Assisted-by: Alan Coopersmith
Assisted-by: Andrew Kaster
Assisted-by: Andy Fiddaman
Assisted-by: Arjan van de Ven
Assisted-by: Brian Clemens
Assisted-by: chrysos349 on github
Assisted-by: Dan Fandrich
Assisted-by: Dan McDonald
Assisted-by: Gaelan Steele
Assisted-by: graywolf on github
Assisted-by: Jan Macku
Assisted-by: John Marshall
Assisted-by: Jonathan Perkin
Assisted-by: Kevin Daudt
Assisted-by: Marcus Müller
Assisted-by: Michał Górny
Assisted-by: Outvi V
Assisted-by: Ross Burton
Assisted-by: Sean Molenaar
Assisted-by: Till Wegmüller
Assisted-by: Viktor Szakats
Assisted-by: Winni Neessen
Closes#13178
Remove the PROTOCOLS section from the source files completely and
instead generate them based on the header data in the curldown files.
It also generates TLS backend information for options marked for TLS as
protocol.
Closes#13175
All man pages that are listed to be for TLS now must also specify
exactly what TLS backends the option works for, or use All if they all
work.
cd2nroff makes sure this is done and that the listed backends exist.
Closes#13168
- CURLINFO_TLS_SESSION.md: remove mention of NSS
- CURLINFO_TLS_SSL_PTR.md: remove NSS leftover
- CURLOPT_CAINFO.md: drop mention of backends not supporting this
- CURLOPT_CAPATH.md: wolfSSL also supports this
Closes#13166
The mandatory header now has a mandatory list of protocols for which the
manpage is relevant.
Most man pages already has a "PROTOCOLS" section, but this introduces a
stricter way to specify the relevant protocols.
cd2nroff verifies that at least one protocol is mentioned (which can be
`*`).
This information is not used just yet, but A) the PROTOCOLS section can
now instead get generated and get a unified wording across all manpages
and B) this allows us to more reliably filter/search for protocol
specific manpages/options.
Closes#13166
Use imperative mood consistently for the first sentence describing an
option.
"Set this" instead "tell curl to set" or "this sets..."
Plus some extra cleanups and rephrasing.
Closes#13106
Since it is no longer needed for building tool_hugehelp.c and all the
docs is available in readable markdown format in the tarball, the peeps
that don't want to build the manpage still do good.
Removing it also fixes the complexity of out-of-tree builds when the
curl.1 exists in the source tree.
Letting CMake figure out where libraries are located gives you full
paths. When generating libcurl.pc and curl-config, getting libraries as
full paths is unusual when one expects to get a list of -l<libname>.
To meet expectations, an effort is made to convert the full paths into
-l<libname>, possibly with -L<libdir> before it.
Fixes#6169Fixes#12748Closes#12930
All CR and LF bytes should be stripped, as documented, and all other
bytes are inluded in the data. Starting now, it also excludes null bytes
as they would otherwise also cut the data short.
Reported-by: Simon K
Fixes#13063Closes#13064
Create ASCII version of manpage without nroff
- build src/tool_hugegelp.c from the ascii manpage
- move the the manpage and the ascii version build to docs/cmdline-opts
- remove all use of nroff from the build process
- should make the build entirely reproducible (by avoiding nroff)
- partly reverts 2620aa9 to build libcurl option man pages one by one
in cmake because the appveyor builds got all crazy until I did
The ASCII version of the manpage
- is built with gen.pl, just like the manpage is
- has a right-justified column making the appearance similar to the previous
version
- uses a 4-space indent per level (instead of the old version's 7)
- does not do hyphenation of words (which nroff does)
History
We first made the curl build use nroff for building the hugehelp file in
December 1998, for curl 5.2.
Closes#13047
- update client reader documentation
- client reader, add rewind capabilities
- tell creader to rewind on next start
- Curl_client_reset() will keep reader for future rewind if requested
- add Curl_client_cleanup() for freeing all resources independent of
rewinds
- add Curl_client_start() to trigger rewinds
- move rewind code from multi.c to sendf.c and make part of
"cr-in"'s implementation
- http, move the "resume_from" handling into the client readers
- the setup of a HTTP request is reshuffled to follow:
* determine method, target, auth negotiation
* install the client reader(s) for the request, including crlf
conversions and "chunked" encoding
* apply ranges to client reader
* concat request headers, upgrades, cookies, etc.
* complete request by determining Content-Length of installed
readers in combination with method
* send
- add methods for client readers to
* return the overall length they will generate (or -1 when unknown)
* return the amount of data on the CLIENT level, so that
expect-100 can decide if it want to apply itself
* set a "resume_from" offset or fail if unsupported
- struct HTTP has become largely empty now
- rename `Client_reader_*` to `Curl_creader_*`
Closes#13026
The function that replaces occurances of "--longoption" with "-Z,
--longoption" etc with the proper highlight applied, no longer loops
over the options.
Closes#13041
This fixes miscellaneous typos and duplicated words in the docs, lib
and test comments and a few user facing errorstrings.
Author: RainRat on Github
Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Reviewed-by: Dan Fandrich <dan@coneharvesters.com>
Closes: #13019
- replace `Curl_read()`, `Curl_write()` and `Curl_nwrite()` to
clarify when and at what level they operate
- send/recv of transfer related data is now done via
`Curl_xfer_send()/Curl_xfer_recv()` which no longer has
socket/socketindex as parameter. It decides on the transfer
setup of `conn->sockfd` and `conn->writesockfd` on which
connection filter chain to operate.
- send/recv on a specific connection filter chain is done via
`Curl_conn_send()/Curl_conn_recv()` which get the socket index
as parameter.
- rename `Curl_setup_transfer()` to `Curl_xfer_setup()` for
naming consistency
- clarify that the special CURLE_AGAIN hangling to return
`CURLE_OK` with length 0 only applies to `Curl_xfer_send()`
and CURLE_AGAIN is returned by all other send() variants.
- fix a bug in websocket `curl_ws_recv()` that mixed up data
when it arrived in more than a single chunk (to be made
into a sperate PR, also)
Added as documented [in
CLIENT-READER.md](5b1f31dfba/docs/CLIENT-READERS.md).
- old `Curl_buffer_send()` completely replaced by new `Curl_req_send()`
- old `Curl_fillreadbuffer()` replaced with `Curl_client_read()`
- HTTP chunked uploads are now formatted in a client reader added when
needed.
- FTP line-end conversions are done in a client reader added when
needed.
- when sending requests headers, remaining buffer space is filled with
body data for sending in "one go". This is independent of the request
body size. Resolves#12938 as now small and large requests have the
same code path.
Changes done to test cases:
- test513: now fails before sending request headers as this initial
"client read" triggers the setup fault. Behaves now the same as in
hyper build
- test547, test555, test1620: fix the length check in the lib code to
only fail for reads *smaller* than expected. This was a bug in the
test code that never triggered in the old implementation.
Closes#12969
The curldown conversion accidentally replaced daniel@haxx.se with
just daniel.se. This reverts back to the proper email address in
the curldown docs as well as in a few other stray places where it
was incorrect (while unrelated to curldown).
Reviewed-by: Daniel Stenberg <daniel@haxx.se>
Closes: #12997
Returns 1 if the previous transfer used a proxy, otherwise 0. Useful to
for example determine if a `NOPROXY` pattern matched the hostname or
not.
Extended test 970 and 972
- refs #12397 where it is dicussed how to en-/disable verbose output
of DoH operations
- introducing `struct curl_trc_feat` to track a curl feature for
tracing
- adding `data->state.feat` optionally pointing to the feature a
transfer belongs to
- adding trace functions and verbosity checks on features
- using trace feature in DoH code
- documenting `doh` as feature for `--trace-config`
Closes#12411
- when data arrived in several chunks, the collection into
the passed buffer always started at offset 0, overwriting
the data already there.
adding test_20_07 to verify fix
- debug environment var CURL_WS_CHUNK_SIZE can be used to
influence the buffer chunk size used for en-/decoding.
Closes#12945
- can be borrowed by transfer during recv-write operation
- needs to be released before borrowing again
- adjustis size to `data->set.buffer_size`
- used in transfer.c readwrite_data()
Closes#12805
- make sure angle brackets are escaped
- remove a lot of superfluous double quotes
- replace several double quotes with backticks
To make nicer-looking markdown.
Closes#12884
Make sure we use \< and \> in markdown all over so that it renders
correctly, on GitHub and elsewhere. cd2nroff now outputs a warning if it
finds an unescaled angle bracket.
Ref: #12854Closes#12869
When setting the CURLOPT_SSLCERT option to a certificate thumprint, it
is required to have a backslash between the "store location", "store
name" and "thumbprint" tokens. These slashes were present in the
previous documentation, but were missed in the transition to markdown
documentation.
Closes#12854
- Turn docs/INSTALL.cmake into a proper markdown file,
docs/INSTALL-CMAKE.md
- Move things around to divide the description into configuration,
building and installing sections
- Mention the more modern cmake options to configure, build and install,
but also retain the older variants as fallbacks
Closes#12772
The previous command line to generate the tool_listhelp.c source file
broke with 2494b8dd51.
Make 'make listhelp' invoked in src/ generate it. Also update the
comment in the file to mention the right procedure.
Closes#12786
Rework CMake options for building/using curl tool and libcurl manuals.
- rename `ENABLE_MANUAL` to `ENABLE_CURL_MANUAL`, meaning:
to build man page and built-in manual for curl tool.
- rename `BUILD_DOCS` to `BUILD_LIBCURL_DOCS`, meaning:
to build man pages for libcurl.
- `BUILD_LIBCURL_DOCS` now works without having to enable
`ENABLE_CURL_MANUAL` too.
- drop support for existing CMake-level `USE_MANUAL` option to avoid
confusion. (It used to work with the effect of current
`ENABLE_CURL_MANUAL`, but only by accident.)
Assisted-by: Richard Levitte
Ref: #12771Closes#12773
This means words, phrases or things we have decided not to use - words that
are spelled right according to the dictionary but we want to avoid. In the
name of consistency and better documentation.
Closes#12764
- cmake: enable `BUILD_DOCS` by default (this controls converting and
installing `.3` files from `.md` sources)
- cmake: speed up generating `.3` files by using a single command per
directory, instead of a single command per file. This reduces external
commands by about a thousand. (There remains some CMake logic kicking
in resulting in 500 -one per file- external `-E touch_nocreate` calls.)
- cd2nroff: add ability to process multiple input files.
- cd2nroff: add `-k` option to use the source filename to form the
output filename. (instead of the default in-file `Title:` line.)
Follow-up to 3f08d80b22
Follow-up to ea0b575dab#12753
Follow-up to eefcc1bda4#12730Closes#12762
- switch all invidual files documenting command line options into .md,
as the documentation is now markdown-looking.
- made the parser treat 4-space indents as quotes
- switch to building the curl.1 manpage using the "mainpage.idx" file,
which lists the files to include to generate it, instead of using the
previous page-footer/headers. Also, those files are now also .md
ones, using the same format. I gave them underscore prefixes to make
them sort separately:
_NAME.md, _SYNOPSIS.md, _DESCRIPTION.md, _URL.md, _GLOBBING.md,
_VARIABLES.md, _OUTPUT.md, _PROTOCOLS.md, _PROGRESS.md, _VERSION.md,
_OPTIONS.md, _FILES.md, _ENVIRONMENT.md, _PROXYPREFIX.md,
_EXITCODES.md, _BUGS.md, _AUTHORS.md, _WWW.md, _SEEALSO.md
- updated test cases accordingly
Closes#12751
curldown is this new file format for libcurl man pages. It is markdown
inspired with differences:
- Each file has a set of leading headers with meta-data
- Supports a small subset of markdown
- Uses .md file extensions for editors/IDE/GitHub to treat them nicely
- Generates man pages very similar to the previous ones
- Generates man pages that still convert nicely to HTML on the website
- Detects and highlights mentions of curl symbols automatically (when
their man page section is specified)
tools:
- cd2nroff: converts from curldown to nroff man page
- nroff2cd: convert an (old) nroff man page to curldown
- cdall: convert many nroff pages to curldown versions
- cd2cd: verifies and updates a curldown to latest curldown
This setup generates .3 versions of all the curldown versions at build time.
CI:
Since the documentation is now technically markdown in the eyes of many
things, the CI runs many more tests and checks on this documentation,
including proselint, link checkers and tests that make sure we capitalize the
first letter after a period...
Closes#12730
- HTTP/3 for curl using OpenSSL's own QUIC stack together
with nghttp3
- configure with `--with-openssl-quic` to enable curl to
build this. This requires the nghttp3 library
- implementation with the following restrictions:
* macOS has to use an unconnected UDP socket due to an
issue in OpenSSL's datagram implementation
See https://github.com/openssl/openssl/issues/23251
This makes connections to non-reponsive servers hang.
* GET requests will send the indicator that they have
no body in a separate QUIC packet. This may result
in processing delays or Transfer-Encodings on proxied
requests
* uploads that encounter blocks will use 100% cpu as
detection of these flow control issue is not working
(we have not figured out to pry that from OpenSSL).
Closes#12734
- remove use of .BI for code snippet
- stop using .br, just do a blank line
- remove use of .PP
- remove use for .sp
- remove backslash in .IP
- use .IP instead of .TP
Closes#12731
... since this funtion has not supported null pointer fd_set arguments since
at least 2006. (That's when I stopped my git blame journey)
Fixes#12691
Reported-by: sfan5 on github
Closes#12692
Previously it would match only on a sequence of non-space, which made it
miss to highlight for example "public suffix list".
Updated the recent cookie.d edit from 5da57193b7 to use bold instead
of italics.
Closes#12689
Returns the time, in microseconds, during which this transfer was held
in a waiting queue before it started "for real". A transfer might be put
in a queue if after getting started, it cannot create a new connection
etc due to set conditions and limits imposed by the application.
Ref: #12293Closes#12368
- Escape inner quotes with two backslashes.
Two backslashes escapes the backslash for the man page and will show as
a single backslash.
eg: "{\\"name\\": \\"daniel\\"}" shows as "{\"name\": \"daniel\"}".
Closes https://github.com/curl/curl/pull/12588
`winsock2.h` pulls in `windows.h`. `ws2tcpip.h` pulls in `winsock2.h`.
`winsock2.h` and `ws2tcpip.h` are also pulled by `curl/curl.h`.
Keep only those headers that are not already included, or the code under
it uses something from that specific header.
Closes#12539
A new error code to be used when an internal field grows too large, like
when a dynbuf reaches its maximum. Previously it would return
CURLE_OUT_OF_MEMORY for this, which is highly misleading.
Ref: #12268Closes#12269
- autotools, cmake: assume that if we detect Windows, `windows.h`,
`winsock2.h` and `ws2tcpip.h` do exist.
- lib: fix 3 outlier `#if` conditions to use `USE_WINSOCK` instead of
looking for `winsock2.h`.
- autotools: merge 3 Windows check methods into one.
- move Watt-32 and lwIP socket support to `setup-win32.h` from
`config-win32.h`. It opens up using these with all build tools. Also
merge logic with Windows Sockets.
- fix to assume Windows sockets with the mingw32ce toolchain.
Follow-up to: 2748c64d60
- cmake: delete unused variable `signature_call_conv` since
eb33ccd533.
- autotools: simplify `CURL_CHECK_WIN32_LARGEFILE` detection.
- examples/externalsocket: fix header order.
- cmake/OtherTests.cmake: delete Windows-specific `_source_epilogue`
that wasn't used anymore.
- cmake/OtherTests.cmake: set `WIN32_LEAN_AND_MEAN` for test
`SIZEOF_STRUCT_SOCKADDR_STORAGE`.
After this patch curl universally uses `_WIN32` to guard
Windows-specific logic. It guards Windows Sockets-specific logic with
`USE_WINSOCK` (this might need further work).
Reviewed-by: Jay Satiro
Closes#12495
https://best.openssf.org/Compiler-Hardening-Guides/Compiler-Options-Hardening-Guide-for-C-and-C++.html
as of 2023-11-29 [1].
Enable new recommended warnings (except `-Wsign-conversion`):
- enable `-Wformat=2` for clang (in both cmake and autotools).
- add `CURL_PRINTF()` internal attribute and mark functions accepting
printf arguments with it. This is a copy of existing
`CURL_TEMP_PRINTF()` but using `__printf__` to make it compatible
with redefinting the `printf` symbol:
https://gcc.gnu.org/onlinedocs/gcc-3.0.4/gcc_5.html#SEC94
- fix `CURL_PRINTF()` and existing `CURL_TEMP_PRINTF()` for
mingw-w64 and enable it on this platform.
- enable `-Wimplicit-fallthrough`.
- enable `-Wtrampolines`.
- add `-Wsign-conversion` commented with a FIXME.
- cmake: enable `-pedantic-errors` the way we do it with autotools.
Follow-up to d5c0351055#2747
- lib/curl_trc.h: use `CURL_FORMAT()`, this also fixes it to enable format
checks. Previously it was always disabled due to the internal `printf`
macro.
Fix them:
- fix bug where an `set_ipv6_v6only()` call was missed in builds with
`--disable-verbose` / `CURL_DISABLE_VERBOSE_STRINGS=ON`.
- add internal `FALLTHROUGH()` macro.
- replace obsolete fall-through comments with `FALLTHROUGH()`.
- fix fallthrough markups: Delete redundant ones (showing up as
warnings in most cases). Add missing ones. Fix indentation.
- silence `-Wformat-nonliteral` warnings with llvm/clang.
- fix one `-Wformat-nonliteral` warning.
- fix new `-Wformat` and `-Wformat-security` warnings.
- fix `CURL_FORMAT_SOCKET_T` value for mingw-w64. Also move its
definition to `lib/curl_setup.h` allowing use in `tests/server`.
- lib: fix two wrongly passed string arguments in log outputs.
Co-authored-by: Jay Satiro
- fix new `-Wformat` warnings on mingw-w64.
[1] 56c0fde389/docs/Compiler-Hardening-Guides/Compiler-Options-Hardening-Guide-for-C-and-C%2B%2B.mdCloses#12489
Remove use of .TP and some .B. The idea is to reduce nroff syntax as
much as possible and to use it consistently. Ultimately, we should be
able to introduce our own easier-to-use-and-read syntax/formatting and
convert on generation time.
Closes#12535
They were previously sorted based on the file names, which use a .d
extension, making "data" get placed after "data-binary" etc. Making the
sort ignore the extention fixes the ordering.
Reported-by: Boris Verkhovskiy
Bug: https://curl.se/mail/archive-2023-12/0014.htmlCloses#12494
- use the correct include file
- make sure they are declared as in the header file
- fix minor nroff syntax mistakes (missing .fi)
These are verified by verify-synopsis.pl, which extracts the SYNPOSIS
code and runs it through gcc.
Closes#12402
Windows compilers define `_WIN32` automatically. Windows SDK headers
or build env defines `WIN32`, or we have to take care of it. The
agreement seems to be that `_WIN32` is the preferred practice here.
Make the source code rely on that to detect we're building for Windows.
Public `curl.h` was using `WIN32`, `__WIN32__` and `CURL_WIN32` for
Windows detection, next to the official `_WIN32`. After this patch it
only uses `_WIN32` for this. Also, make it stop defining `CURL_WIN32`.
There is a slight chance these break compatibility with Windows
compilers that fail to define `_WIN32`. I'm not aware of any obsolete
or modern compiler affected, but in case there is one, one possible
solution is to define this macro manually.
grepping for `WIN32` remains useful to discover Windows-specific code.
Also:
- extend `checksrc` to ensure we're not using `WIN32` anymore.
- apply minor formatting here and there.
- delete unnecessary checks for `!MSDOS` when `_WIN32` is present.
Co-authored-by: Jay Satiro
Reviewed-by: Daniel Stenberg
Closes#12376
The current design of the Hyper integration requires rebuilding the
Hyper clientconn for each request. However, building the clientconn
requires resending the HTTP/2 connection preface, which is incorrect
from a protocol perspective. That in turn causes servers to send GOAWAY
frames, effectively degrading performance to "no connection reuse" in
the best case. It may also be triggering some bugs where requests get
dropped entirely and reconnects take too long.
This doesn't rule out HTTP/2 support with Hyper, but it may take a
redesign of the Hyper integration in order to make things work.
Closes#12191
- Add an explanation of the CURL_BLOB_COPY flag to CURLOPT_CAINFO_BLOB
and CURLOPT_PROXY_CAINFO_BLOB docs.
All the other _BLOB option docs already have the same explanation.
Closes https://github.com/curl/curl/pull/12277
- convert ensure_trailing into ensure_trailing_slash
- strdup the URL string to own it proper
- use shorter variable names
- combine some expressions
- simplify error handling in ipfs_gateway()
- add MAX_GATEWAY_URL_LEN + proper bailout if maximum is reached
- ipfs-gateway.d polish and simplification
- shorten ipfs error message + make them "synthetic"
Closes#12281
* Remove other mention of hyper memory-leaks from `KNOWN_BUGS`.
Should have been removed in 629723ecf2
* Remove mention of aws-sigv4 sort query string from `KNOWN_BUGS`.
Fixed in #11806
* Remove mention of aws-sigv4 query empty value problems
* Remove mention of aws-sigv4 missing amz-content-sha256
Fixed in #9995
The previously built man page "curl.1" must be copied with the original
modification date, otherwise the man page is never updated.
This fixes a bug that has been introduced with commit 2568441cab.
Reviewed-by: Dan Fandrich
Reviewed-by: Daniel Stenberg
Closes#12199
After this patch we assume availability of `getaddrinfo` and
`freeaddrinfo`, first introduced in Windows XP. Meaning curl
now requires building for Windows XP as a minimum.
TODO: assume these also in autotools.
Ref: https://github.com/curl/curl/pull/12221#issuecomment-1783761806Closes#12225
Delete leftovers of the `crypt-auth` `./configure` option and
add the new ones that replaced them.
Follow-up to e92edfbef6#11490
Reviewed-by: Daniel Stenberg
Closes#12194
Remove the CURL_CA_FALLBACK logic. That build option was added to allow
primarily OpenSSL to use the default paths for loading the CA certs. For
GnuTLS it was instead made to load the "system certs", which is
different and not desirable.
The native CA store loading is now asked for with this option.
Follow-up to 7b55279d1d
Co-authored-by: Jay Satiro
Closes#12137
- Move documentation of libcurl environment variables used only in debug
builds from libcurl-env into a separate document libcurl-env-dbg.
- Document more debug environment variables.
Previously undocumented or missing a description:
CURL_ALTSVC_HTTP, CURL_DBG_SOCK_WBLOCK, CURL_DBG_SOCK_WPARTIAL,
CURL_DBG_QUIC_WBLOCK, CURL_DEBUG, CURL_DEBUG_SIZE, CURL_GETHOSTNAME,
CURL_HSTS_HTTP, CURL_FORCETIME, CURL_SMALLREQSEND, CURL_SMALLSENDS,
CURL_TIME.
Closes https://github.com/curl/curl/pull/11811
- Warn that the user's debug callback may be called with the handle
parameter set to an internal handle.
Without this warning the user may assume that the only handles their
debug callback receives are the easy handles on which they set
CURLOPT_DEBUGFUNCTION.
This is a follow-up to f8cee8cc which changed DoH handles to inherit
the debug callback function set in the user's easy handle. As a result
those handles are now passed to the user's debug callback function.
Closes https://github.com/curl/curl/pull/12034
in FAQ and MANUAL.md
- example.com was made for this purpose.
- reduces the risk that one of those domains suddenly start hosting
something nasty and we provide links to them
Closes#11986
Earlier this year we changed our own stderr variable to use the standard
name `stderr` (to avoid bugs where someone is using `stderr` instead of
the curl-tool specific variable). This solution needed to override the
standard `stderr` symbol via the preprocessor. This in turn didn't play
well with unity builds and caused curl tool to crash or stay silent due
to an uninitialized stderr. This was a hard to find issue, fixed by
manually breaking out one file from the unity sources.
To avoid two these two tricks, this patch implements a different
solution: Restore using our own local variable for our stderr output and
leave `stderr` as-is. To avoid using `stderr` by mistake, add a
`checksrc` rule (based on logic we already used in lib for `strerror`)
that detects any `stderr` use in `src` and points to using our own
variable instead: `tool_stderr`.
Follow-up to 06133d3e9b
Follow-up to 2f17a9b654Closes#11958
- Fix netrc info message to use the generic ".netrc" filename if the
user did not specify a netrc location.
- Update --netrc doc to add that recent versions of curl on Windows
prefer .netrc over _netrc.
Before:
* Couldn't find host google.com in the (nil) file; using defaults
After:
* Couldn't find host google.com in the .netrc file; using defaults
Closes https://github.com/curl/curl/pull/11904
Previously it would only stop them from getting started if the size is
known to be too big then.
Update the libcurl and curl docs accordingly.
Fixes#11810
Reported-by: Elliot Killick
Assisted-by: Jay Satiro
Closes#11820
- ipfs://<cid>
- ipns://<cid>
This allows you tu use ipfs in curl like:
curl ipfs://<cid>
and
curl ipns://<cid>
For more information consult the readme at:
https://curl.se/docs/ipfs.htmlCloses#8805
Prior to 7.75.0 response headers were not printed if -f/--fail was used
and an error was reported by server. This was fixed in ab525c0
(precedes 7.75.0).
Closes#11822
References to things that were added or changed in a specific version
should be specified as "(added in [version]) for two reasons:
1 - consistency
2 - to allow gen.pl to strip them out if deemed referring to too old
versions
Closes#11821
ngtcp2 v0.19.0 made size of `ecn` member of `ngtcp2_pkt_info`
an `uint8_t` (was: `uint32_t`). Adjust our local cast accordingly.
Fixes:
```
./curl/lib/vquic/curl_ngtcp2.c:1912:12: warning: implicit conversion loses integer precision: 'uint32_t' (aka 'unsigned int') to 'uint8_t' (aka 'unsigned char') [-Wimplicit-int-conversion]
pi.ecn = (uint32_t)ecn;
~ ^~~~~~~~~~~~~
```
Also bump ngtcp2, nghttp3 and nghttp2 to their latest versions in our
docs and CI.
Ref: 80447281bb
Ref: https://github.com/ngtcp2/ngtcp2/pull/877Closes#11798
At least FreeBSD preserves cwd across makefile lines, so rules
consisting of more than one "cd X; do_something" must be explicitly run
in a subshell to avoid this. This problem caused the Cirrus FreeBSD
build to fail when parallel make jobs were enabled.
- delete completed TODO from `./CMakeLists.txt`.
- convert a C++ comment to C89 in `./CMake/CurlTests.c`.
- delete duplicate EOLs from EOF.
- add missing EOL at EOF.
- delete whitespace at EOL (except from expected test results).
- convert tabs to spaces.
- convert CRLF EOLs to LF in GHA yaml.
- text casing fixes in `./CMakeLists.txt`.
- fix a codespell typo in `packages/OS400/initscript.sh`.
Closes#11772
Store numerical IPv6 addresses in the alt-svc file with the brackets
present.
Verify with test 437 and 438
Fixes#11737
Reported-by: oliverpool on github
Closes#11743
Too excessive escaping made the parsing not find the correct long names
later and instead add "wrong" links.
Follow-up to 439ff2052e
Reported-by: Lukas Tribus
Fixes#11688Closes#11689
- Remove the out-of-date SSL backend list supported by
CURLOPT_SSL_CTX_FUNCTION.
It makes more sense to just refer to that document instead of having
a separate list that has to be kept in sync.
Closes https://github.com/curl/curl/pull/11665
In order to get Negotiate (SPNEGO) authentication to work in HTTP you
used to be required to provide a (fake) user name (this concerned both
curl and the lib) because the code wrongly only considered
authentication if there was a user name provided, as in:
curl -u : --negotiate https://example.com/
This commit leverages the `struct auth` want member to figure out if the
user enabled CURLAUTH_NEGOTIATE, effectively removing the requirement of
setting a user name both in curl and the lib.
Signed-off-by: Marin Hannache <git@mareo.fr>
Reported-by: Enrico Scholz
Fixes https://sourceforge.net/p/curl/bugs/440/Fixes#1161Closes#9047
7.50.0 shipped on Jul 21 2016, over seven years ago. We no longer need
to specify version changes for earlier releases in the generated output.
This ups the limit from the previous 7.30.0 (Apr 12 2013)
This hides roughly 35 "added in" mentions.
Closes#11651
- removed some unnecessary blurb to focus
- moved up the more important URL details
- put "globbing" into its own subtitle and moved down a little
- mention the online man page in the version section
Closes#11638
We remove support for building curl with gskit.
- This is a niche TLS library, only running on some IBM systems
- no regular curl contributors use this backend
- no CI builds use or verify this backend
- gskit, or the curl adaption for it, lacks many modern TLS features
making it an inferior solution
- build breakages in this code take weeks or more to get detected
- fixing gskit code is mostly done "flying blind"
This removal has been advertized in DEPRECATED in Jan 2, 2023 and it has
been mentioned on the curl-library mailing list.
It could be brought back, this is not a ban. Given proper effort and
will, gskit support is welcome back into the curl TLS backend family.
Closes#11460
This is a bad header fold but since the popular browsers accept this
violation, so does curl now. Unless built with hyper.
Add test 1473 to verify and adjust test 2306.
Reported-by: junsik on github
Fixes#11605Closes#11607
"Note that verbose output of curl activities and network traffic might
contain sensitive data, including user names, credentials or secret data
content. Be aware and be careful when sharing trace logs with others."
Closes#11596
It was previously unlimited by default, but that's not a sensible
default. While changing this has a remote risk of breaking an existing
use case, I figure it is more likely to actually save users from loops.
Closes#11581
- If the user set a legacy algorithm list (CURLOPT_SSL_CIPHER_LIST) then
use the SCHANNEL_CRED legacy structure to pass the list to Schannel.
- If the user set both a legacy algorithm list and a TLS 1.3 cipher list
then abort.
Although MS doesn't document it, Schannel will not negotiate TLS 1.3
when SCHANNEL_CRED is used. That means setting a legacy algorithm list
limits the user to earlier versions of TLS.
Prior to this change, since 8beff435 (precedes 7.85.0), libcurl would
ignore legacy algorithms in Windows 10 1809 and later.
Reported-by: zhihaoy@users.noreply.github.com
Fixes https://github.com/curl/curl/pull/10741
Closes https://github.com/curl/curl/pull/10746
- Update the OpenSSL connect state machine to handle
SSL_ERROR_WANT_RETRY_VERIFY.
This allows libcurl users that are using custom certificate validation
to suspend processing while waiting for external I/O during certificate
validation.
Closes https://github.com/curl/curl/pull/11499
It can be used multiple times. Use %output{>>name} to append.
Add docs. Test 990 and 991 verify.
Idea: #11400
Suggested-by: ed0d2b2ce19451f2
Closes#11416
Add support for command line variables. Set variables with --variable
name=content or --variable name@file (where "file" can be stdin if set
to a single dash (-)).
Variable content is expanded in option parameters using "{{name}}"
(without the quotes) if the option name is prefixed with
"--expand-". This gets the contents of the variable "name" inserted, or
a blank if the name does not exist as a variable. Insert "{{" verbatim
in the string by prefixing it with a backslash, like "\\{{".
Import an environment variable with --variable %name. It makes curl exit
with an error if the environment variable is not set. It can also rather
get a default value if the variable does not exist, using =content or
@file like shown above.
Example: get the USER environment variable into the URL:
--variable %USER
--expand-url = "https://example.com/api/{{USER}}/method"
When expanding variables, curl supports a set of functions that can make
the variable contents more convenient to use. It can trim leading and
trailing white space with "trim", output the contents as a JSON quoted
string with "json", URL encode it with "url" and base 64 encode it with
"b64". To apply functions to a variable expansion, add them colon
separated to the right side of the variable. They are then performed in
a left to right order.
Example: get the contents of a file called $HOME/.secret into a variable
called "fix". Make sure that the content is trimmed and percent-encoded
sent as POST data:
--variable %HOME=/home/default
--expand-variable fix@{{HOME}}/.secret
--expand-data "{{fix:trim:url}}"
https://example.com/
Documented. Many new test cases.
Co-brainstormed-by: Emanuele Torre
Assisted-by: Jat Satiro
Closes#11346
Introduce a --enable-form-api configure option to control its inclusion
in builds. The condition name defined for it is CURL_DISABLE_FORM_API.
Form api code is dependent of MIME: configure and CMake handle this
dependency automatically: CMake by making it a dependent option
explicitly, configure by inheriting the MIME value by default and
rejecting explicit incompatible values.
"form-api" is now a new hidden test feature.
Update libcurl modules to respect this option and adjust tests
accordingly.
Closes#9621
Fix the distcheck CI failure and delete more NSS references.
Follow-up to 7c8bae0d9c
Reviewed-by: Marcel Raad
Reviewed-by: Daniel Stenberg
Closes#11548
Year ranges in copyrights were dropped in commits [1] and [2].
Verification of year ranges in copyrights was dropped from script
'scripts/copyright.pl' in commit [3]. However, the corresponding
passages in file 'docs/CONTRIBUTE.md' weren't updated.
Drop mentions of copyright year ranges from 'docs/CONTRIBUTE.md'.
[1] 2bc1d775f (copyright: update all copyright lines and remove year
ranges, 2023-01-02)
[2] c46761bd8 (tests/http: remove year ranges from copyrights,
2023-03-14)
[3] 0e293bacb (copyright.pl: cease doing year verifications, 2023-01-28)
Closes#11504
File 'docs/CONTRIBUTE.md' includes a description of how one should write
commit messages in the curl project. Different possible parts of the
message are enclosed in square brackets. One exception is the section
describing how the curl project doesn't use "Signed-off-by" commit
trailers [1], which is enclosed in an opening curly brace paired with a
closing square bracket.
Fix the enclosing square brackets in description of "Signed-off-by"
trailers in commit messages in file 'docs/CONTRIBUTE.md'.
[1] See description of option '--signoff' in Git documentation:
https://git-scm.com/docs/git-commitCloses#11504
follow-up from 099f41e097
I just thought of checking all the other files with .RE, and I found 6
other files that were missing .IP at the end.
Closes#11375
quote.d was missing a .IP at the end which caused the paragraphs
generated for See-also, Multi, and Example to not be indented correctly.
I also remove a redundant "This option can be used multiple times.", and
replaced .IP "item" with .TP .B "item" to make more clear which lines
are part of the list of commands and which aren't.
Closes#11371
This shows how to setup OpenSSL mutex callbacks, but this is not
necessary since OpenSSL 1.1.0 - meaning that no currently supported
OpenSSL version requires this anymore
Closes#11341
- Implement AUTH=+LOGIN for CURLOPT_LOGIN_OPTIONS to prefer plaintext
LOGIN over SASL auth.
Prior to this change there was no method to be able to fall back to
LOGIN if an IMAP server advertises SASL capabilities. However, this may
be desirable for e.g. a misconfigured server.
Per: https://www.ietf.org/rfc/rfc5092.html#section-3.2
";AUTH=<enc-auth-type>" looks to be the correct way to specify what
authenication method to use, regardless of SASL or not.
Closes https://github.com/curl/curl/pull/10041
- all: SEE ALSO the libcurl-ws man page
- send: add example and return value information
- meta: mention that the returned data is read-only
Closes#11318
- added and documented --trace-ids to prepend (after the timestamp)
the transfer and connection identifiers to each verbose log line
- format is [n-m] with `n` being the transfer id and `m` being the
connection id. In case there is not valid connection id, print 'x'.
- Log calls with a handle that has no transfer id yet, are written
without any ids.
Closes#11185
- add an `id` long to Curl_easy, -1 on init
- once added to a multi (or its own multi), it gets
a non-negative number assigned by the connection cache
- `id` is unique among all transfers using the same
cache until reaching LONG_MAX where it will wrap
around. So, not unique eternally.
- CURLINFO_CONN_ID returns the connection id attached to
data or, if none present, data->state.lastconnect_id
- variables and type declared in tool for write out
Closes#11185
The behavior of CURLOPT_UPLOAD differs from what is described in the
documentation. The option automatically adds the 'Transfer-Encoding:
chunked' header if the upload size is unknown.
Closes#11300
These two functions were added in 7.44.0 when CURLMOPT_PUSHFUNCTION was
introduced but always lived a life in the shadows, embedded in the
CURLMOPT_PUSHFUNCTION man page. Until now.
It makes better sense and gives more visibility to document them in
their own stand-alone man pages.
Closes#11286
Previously the code would just do that for the path when extracting the
full URL, which made a subsequent curl_url_get() of the path to
(unexpectedly) still return it without the leading path.
Amend lib1560 to verify this. Clarify the curl_url_set() docs about it.
Bug: https://curl.se/mail/lib-2023-06/0015.htmlCloses#11272
Reported-by: Pedro Henrique
These are two boolean options to ask curl to use the native OS's CA
store when verifying TLS servers. For peers and for proxies
respectively.
They currently only have an effect for curl on Windows when built to use
OpenSSL for TLS.
Closes#11049
Out of 415 labels throughout the code base, 86 of those labels were
not at the start of the line. Which means labels always at the start of
the line is the favoured style overall with 329 instances.
Out of the 86 labels not at the start of the line:
* 75 were indented with the same indentation level of the following line
* 8 were indented with exactly one space
* 2 were indented with one fewer indentation level then the following
line
* 1 was indented with the indentation level of the following line minus
three space (probably unintentional)
Co-Authored-By: Viktor Szakats
Closes#11134
Hook the new (1.11.0 or newer) libssh2 support for setting a read timeout
into the SERVER_RESPONSE_TIMEOUT option. With this done, clients can use
the standard curl response timeout setting to also control the time that
libssh2 will wait for packets from a slow server. This is necessary to
enable use of very slow SFTP servers.
Signed-off-by: Daniel Silverstone <daniel.silverstone@codethink.co.uk>
Closes#10965
To reduce the damage an application can cause if using -1 or other
ridiculous timeout values and letting the cache live long times.
The maximum number of entries in the DNS cache is now totally
arbitrarily and hard-coded set to 29999.
Closes#11084
- Makefile support for building test specific clients in tests/http/clients
- auto-make of clients when invoking pytest
- added test_09_02 for server PUSH_PROMISEs using clients/h2-serverpush
- added test_02_21 for lib based downloads and pausing/unpausing transfers
curl url parser:
- added internal method `curl_url_set_authority()` for setting the
authority part of a url (used for PUSH_PROMISE)
http2:
- made logging of PUSH_PROMISE handling nicer
Placing python test requirements in requirements.txt files
- separate files to base test suite and http tests since use
and module lists differ
- using the files in the gh workflows
websocket test cases, fixes for we and bufq
- bufq: account for spare chunks in space calculation
- bufq: reset chunks that are skipped empty
- ws: correctly encode frames with 126 bytes payload
- ws: update frame meta information on first call of collect
callback that fills user buffer
- test client ws-data: some test/reporting improvements
Closes#11006
- 11.7 signal-based resolver timeouts
Not considered a bug anymore but just implementation details. People
should avoid using timeouts with the synchronous name resolver.
- 11.16 libcurl uses renames instead of locking for atomic operations
Not a bug, just a description of how it works
Closes#11032
I was reading curl_unescape(3) and I noticed that there was an extra
space after the open parenthesis in the SYNOPSIS; I removed the extra
space.
I also ran a few grep -r commands to find and remove extra spaces
after '(' in other files, and to find and replace uses of `T*' instead
of `T *'. Some of the instances of `T*` where unnecessary casts that I
removed.
I also fixed a comment that was misaligned in CURLMOPT_SOCKETFUNCTION.3.
And I fixed some formatting inconsistencies: in curl_unescape(3), all
function parameter were mentioned with bold text except length, that was
mentioned as 'length'; and, in curl_easy_unescape(3), all parameters
were mentioned in bold text except url that was italicised. Now they are
all mentioned in bold.
Documentation is not very consistent in how function parameter are
formatted: many pages italicise them, and others display them in bold
text; but I think it makes sense to at least be consistent with
formatting within the same page.
Closes#11027
- remove the version numbers
- simplify the texts
The date and version number will be put there for releases when maketgz
runs the updatemanpages.pl script.
Closes#11029
- remove h3 issues believed to be fixed
- make the flaky CI issue be generic and not Windows specific
- "TLS session cache does not work with TFO" now documented
This is now a documented restriction and not a bug. TFO in general is
rarely used and has other problems, making it a low-priotity thing to
work on.
- remove "Renegotiate from server may cause hang for OpenSSL backend"
This is an OpenSSL issue, not a curl one. Even if it taints curl.
- rm "make distclean loops forever"
- rm "configure finding libs in wrong directory"
Added a section to docs/INSTALL.md about it.
- "A shared connection cache is not thread-safe"
Moved over to TODO and expanded for other sharing improvements we
could do
- rm "CURLOPT_OPENSOCKETPAIRFUNCTION is missing"
- rm "Blocking socket operations in non-blocking API"
Already listed as a TODO
- rm "curl compiled on OSX 10.13 failed to run on OSX 10.10"
Water under the bridge. No one cares about this anymore.
- rm "build on Linux links libcurl to libdl"
Verified to not be true (anymore).
- rm "libpsl is not supported"
The cmake build supports it since cafb356e19Closes#10963
Output specific components from the used URL. The following variables
are added for this purpose:
url.scheme, url.user, url.password, url.options, url.host, url.port,
url.path, url.query, url.fragment, url.zoneid
Add the following for outputting parts of the "effective URL":
urle.scheme, urle.user, urle.password, urle.options, urle.host, urle.port,
urle.path, urle.query, urle.fragment, urle.zoneid
Added test 423 and 424 to verify.
Closes#10853
It's actually been this way since at least 2012 (when a 3-argument open
was added to runtests.pl). Given the lack of complaints in the interim,
it's safe to call this 23 year old perl version the minimum.
RFC 7686 states that:
> Applications that do not implement the Tor
> protocol SHOULD generate an error upon the use of .onion and
> SHOULD NOT perform a DNS lookup.
Let's do that.
https://www.rfc-editor.org/rfc/rfc7686#section-2
Add test 1471 and 1472 to verify
Fixes#543Closes#10705
* Configure changes to detect AWS-LC
* CMakeLists.txt changes to detect AWS-LC
* Compile-time branches needed to support AWS-LC
* Correctly set OSSL_VERSION and report AWS-LC release number
* GitHub Actions script to build with autoconf and cmake against AWS-LC
AWS-LC is a BoringSSL/OpenSSL derivative
For more information see https://github.com/awslabs/aws-lc/Closes#10320
The real xdg config path is $XDG_CONFIG_HOME/curlrc, without the dot.
The dotless name seems preferable, so let's match the documentation to
the behavior.
Closes#10849
The test does a slightly ugly busy-loop for this case but should be
managable due to it likely being a very short moment.
Mention CURLE_AGAIN in curl_ws_recv.3
Fixes#10760
Reported-by: Jay Satiro
Closes#10781
all s3 requests default to UNSIGNED-PAYLOAD and add the required
x-amz-content-sha256 header. this allows CURLAUTH_AWS_SIGV4 to correctly
sign s3 requests to amazon with no additional configuration
Signed-off-by: Casey Bodley <cbodley@redhat.com>
Closes#9995
This is already how curl is documented to behave in Everything curl, but
in actuality only short POSTs skip this. This should knock 30 seconds
off a full run of the test suite since the 100-continue timeout will no
longer be hit.
Closes#10740
It results in error "NSS error -5985 (PR_ADDRESS_NOT_SUPPORTED_ERROR)"
Disabled test 1470 for NSS builds and documented the restriction.
Reported-by: Dan Fandrich
Fixes#10723Closes#10734
Current test for curl_free() may produce warnings with strict compiler
flags or even with default compiler flags with upcoming versions.
These warning could turned into errors by -Werror or similar flags.
Such warnings/errors are avoided by this patch.
Closes#10710
Before this patch, enabling LDAPS required a manual C flag:
c1cfc31cfc/curl-cmake.sh (L105)
Fix this and enable LDAPS automatically when using `wldap32` (and
when not explicitly disabled). This matches autotools and `Makefile.mk`
behavior. Also remove issue from KNOWN_BUGS.
Add workaround for MSVS 2010 warning triggered by LDAPS now enabled
in more CI tests:
`ldap.c(360): warning C4306: 'type cast' : conversion from 'int' to 'void *' of greater size`
Ref: https://ci.appveyor.com/project/curlorg/curl/builds/46408284/job/v8mwl9yfbmoeqwlr#L312
Reported-by: JackBoosY on github
Reviewed-by: Jay Satiro
Reviewed-by: Marcel Raad
Fixes#6284Closes#10674
Here somehow you need to put more than one URL in these examples, else
they will make no sense, as --rate only affects the second and beyond
URLs. The first URL will always finish the same time no matter what
--rate is given.
Closes#10638
This codifies what people have actually used in git commits over the
past 6 years. I've left off some lesser-used headers that appear to
duplicate others and tried to describe a consistent use for several
others that were used more arbitrarily.
This makes it easier for new committers to find out the kinds of things
we want to acknowledge, makes it easier to perform statistical analysis
on commits, and opens the possibility of performing lint checks on
descriptions before submission.
Reviewed-by: Daniel Stenberg
Reviewed-by: Jay Satiro
Closes#10478
Instead of using "multi: boolean", as these are slightly special as in
they do are not enable/disable ones.
Fixes#10490
Reported-by: u20221022 on github
Closes#10497
- remove "Excessive HTTP/2 packets with TCP_NODELAY"
This is not a bug. Rather room for improvement.
I believe these have been fixed:
- 17.4 Connection failures with parallel HTTP/2
- 17.5 HTTP/2 connections through HTTPS proxy frequently stall
- remove "FTPS needs session reuse"
That is still true, but curl should also do session reuse now.
- remove "ASCII FTP"
It is documented behavior, and not single user has asked for extended
functionality here the last decade or so.
- remove "Passive transfer tries only one IP address"
add as a TODO
- remove "DoH leaks memory after followlocation"
With a recipe on how to reproduce, this is pointless to keep around
- remove "DoH does not inherit all transfer options"
add it as a TODO
Closes#10487
The protocol needs to know the size ahead of time, this is now a known
restriction and not a bug.
Also output a clearer error if the URL path does not contain proper
share.
Ref: #7896Closes#10484
... since they are expanded and the short-form gets mentioned
automatically so if the short form is mentioned as well, it gets
repeated.
Fixes#10461Closes#10462
Reported-by: Dan Fandrich
The variable had a few different names. Now try to use 'clientp'
consistently for all man pages using a custom pointer set by the
application.
Reported-by: Gerrit Renker
Fixes#10434Closes#10435
New cfilter HTTP-CONNECT for h3/h2/http1.1 eyeballing.
- filter is installed when `--http3` in the tool is used (or
the equivalent CURLOPT_ done in the library)
- starts a QUIC/HTTP/3 connect right away. Should that not
succeed after 100ms (subject to change), a parallel attempt
is started for HTTP/2 and HTTP/1.1 via TCP
- both attempts are subject to IPv6/IPv4 eyeballing, same
as happens for other connections
- tie timeout to the ip-version HAPPY_EYEBALLS_TIMEOUT
- use a `soft` timeout at half the value. When the soft timeout
expires, the HTTPS-CONNECT filter checks if the QUIC filter
has received any data from the server. If not, it will start
the HTTP/2 attempt.
HTTP/3(ngtcp2) improvements.
- setting call_data in all cfilter calls similar to http/2 and vtls filters
for use in callback where no stream data is available.
- returning CURLE_PARTIAL_FILE for prematurely terminated transfers
- enabling pytest test_05 for h3
- shifting functionality to "connect" UDP sockets from ngtcp2
implementation into the udp socket cfilter. Because unconnected
UDP sockets are weird. For example they error when adding to a
pollset.
HTTP/3(quiche) improvements.
- fixed upload bug in quiche implementation, now passes 251 and pytest
- error codes on stream RESET
- improved debug logs
- handling of DRAIN during connect
- limiting pending event queue
HTTP/2 cfilter improvements.
- use LOG_CF macros for dynamic logging in debug build
- fix CURLcode on RST streams to be CURLE_PARTIAL_FILE
- enable pytest test_05 for h2
- fix upload pytests and improve parallel transfer performance.
GOAWAY handling for ngtcp2/quiche
- during connect, when the remote server refuses to accept new connections
and closes immediately (so the local conn goes into DRAIN phase), the
connection is torn down and a another attempt is made after a short grace
period.
This is the behaviour observed with nghttpx when we tell it to shut
down gracefully. Tested in pytest test_03_02.
TLS improvements
- ALPN selection for SSL/SSL-PROXY filters in one vtls set of functions, replaces
copy of logic in all tls backends.
- standardized the infof logging of offered ALPNs
- ALPN negotiated: have common function for all backends that sets alpn proprty
and connection related things based on the negotiated protocol (or lack thereof).
- new tests/tests-httpd/scorecard.py for testing h3/h2 protocol implementation.
Invoke:
python3 tests/tests-httpd/scorecard.py --help
for usage.
Improvements on gathering connect statistics and socket access.
- new CF_CTRL_CONN_REPORT_STATS cfilter control for having cfilters
report connection statistics. This is triggered when the connection
has completely connected.
- new void Curl_pgrsTimeWas(..) method to report a timer update with
a timestamp of when it happend. This allows for updating timers
"later", e.g. a connect statistic after full connectivity has been
reached.
- in case of HTTP eyeballing, the previous changes will update
statistics only from the filter chain that "won" the eyeballing.
- new cfilter query CF_QUERY_SOCKET for retrieving the socket used
by a filter chain.
Added methods Curl_conn_cf_get_socket() and Curl_conn_get_socket()
for convenient use of this query.
- Change VTLS backend to query their sub-filters for the socket when
checks during the handshake are made.
HTTP/3 documentation on how https eyeballing works.
TLS improvements
- ALPN selection for SSL/SSL-PROXY filters in one vtls set of functions, replaces
copy of logic in all tls backends.
- standardized the infof logging of offered ALPNs
- ALPN negotiated: have common function for all backends that sets alpn proprty
and connection related things based on the negotiated protocol (or lack thereof).
Scorecard with Caddy.
- configure can be run with `--with-test-caddy=path` to specify which caddy to use for testing
- tests/tests-httpd/scorecard.py now measures download speeds with caddy
pytest improvements
- adding Makfile to clean gen dir
- adding nghttpx rundir creation on start
- checking httpd version 2.4.55 for test_05 cases where it is needed. Skipping with message if too old.
- catch exception when checking for caddy existance on system.
Closes#10349
The documentation of `%{header_json}` missed to mention since which
version this variable for `--write-out` is present.
Based on commit https://github.com/curl/curl/commit/4133a69f2daa476bb
we can determine from the tags were this commit is present that the
first version to include it was `7.83.0`.
This could be also checked with:
`git tag --contains 4133a69f2daa476bb6d902687f1dd6660ea9c3c5`
Closes#10395
- Clarify that in Windows batch files the % must be escaped as %%, and
at the command prompt it cannot be escaped which could lead to
incorrect expansion.
Prior to this change the doc implied % must be escaped as %% in win32
always.
---
Examples showing how a write-out argument is received by curl:
If curl --write-out "%{http_code}" is executed in a batch file:
{http_code}
If curl --write-out "%%{http_code}" is executed in a batch file:
%{http_code}
If curl --write-out "%{http_code}" is executed from the command prompt:
%{http_code}
If curl --write-out "%%{http_code}" is executed from the command prompt:
%%{http_code}
At the command prompt something like "%{speed_download}%{http_code}"
would first be parsed by the command interpreter as %{speed_download}%
and would be expanded as environment variable {speed_download} if it
existed, though that's highly unlikely since Windows environment names
don't use braces.
---
Reported-by: Muhammad Hussein Ammari
Ref: https://github.com/bagder/everything-curl/pull/279
Fixes https://github.com/curl/curl/issues/10323
Closes https://github.com/curl/curl/pull/10337
Bump the limit from 512K. There might be reasons for applications using
h3 to set larger buffers and there is no strong reason for curl to have
a very small maximum.
Ref: https://curl.se/mail/lib-2023-01/0026.htmlCloses#10256
Because only the libssh2 backend not supports it and thus this should
return error if this option is used other backends.
Reported-by: Harry Sintonen
Closes#10255
- Warn that in Windows if libcurl is running from a DLL and if
CURLOPT_HEADERDATA is set then CURLOPT_WRITEFUNCTION or
CURLOPT_HEADERFUNCTION must be set as well, otherwise the user may
experience crashes.
We already have a similar warning in CURLOPT_WRITEDATA. Basically, in
Windows libcurl could crash writing a FILE pointer that was created by
a different C runtime. In Windows each DLL that is part of a program may
or may not have its own C runtime.
Ref: https://github.com/curl/curl/issues/10231
Closes https://github.com/curl/curl/pull/10233
- they are mostly pointless in all major jurisdictions
- many big corporations and projects already don't use them
- saves us from pointless churn
- git keeps history for us
- the year range is kept in COPYING
checksrc is updated to allow non-year using copyright statements
Closes#10205
Ref: #10163
- This is a niche TLS library, only running on some IBM systems
- no regular curl contributors use this backend
- no CI builds use or verify this backend
- gskit, or the curl adaption for it, lacks many modern TLS features
making it an inferior solution
- build breakages in this code take weeks or more to get detected
- fixing gskit code is mostly done "flying blind"
Closes#10201
- it does not add a lot of value
- we do not test-build it to verify because of its dependencies
- unclear for what GTK versions it works or not
Reported-by: odek86 on github
Fixes#10197Closes#10198
- curl_ws_send returns CURLE_SEND_ERROR if data->conn is gone
- curl_ws_recv returns CURLE_GOT_NOTHING on connection close
- curl_ws_recv.3: mention new return code for connection close + example
embryo
Closes#10084
- CURL_GLOBAL_SSL
This option was changed in libcurl 7.57.0 and clearly it has not caused
too many issues and a lot of time has passed.
- Store TLS context per transfer instead of per connection
This is a possible future optimization. One that is much less important
and interesting since the added support for CA caching.
- Microsoft telnet server
This bug was filed in May 2007 against curl 7.16.1 and we have not
received further reports.
- active FTP over a SOCKS
Actually, proxies in general is not working with active FTP mode. This
is now added in proxy documentation.
- DICT responses show the underlying protocol
curl still does this, but since this is now an established behavior
since forever we cannot change it easily and adding an option for it
seems crazy as this protocol is not so little its not worth it. Let's
just live with it.
- Secure Transport disabling hostname validation also disables SNI
This is an already documented restriction in Secure Transport.
- CURLOPT_SEEKFUNCTION not called with CURLFORM_STREAM
The curl_formadd() function is marked and documented as deprecated. No
point in collecting bugs for it. It should not be used further.
- STARTTRANSFER time is wrong for HTTP POSTs
After close source code inspection I cannot see how this is true or that
there is any special treatment for different HTTP methods. We also have
not received many further reports on this, making me strongly suspect
that this is no (longer an) issue.
- multipart formposts file name encoding
The once proposed RFC 5987-encoding is since RFC 7578 documented as MUST
NOT be used. The since then implemented MIME API allows the user to set
the name on their own and can thus provide it encoded as it wants.
- DoH is not used for all name resolves when enabled
It is questionable if users actually want to use DoH for interface and
FTP port name resolving. This restriction is now documented and we
advice users against using name resolving at all for these functions.
Closes#10043
Fix various uses of connnect by replacing them with connect.
Closes: #10045
Reviewed-by: Daniel Stenberg <daniel@haxx.se>
Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Since years back the "if2ip" function verifies that it binds to a local IPv6
address that uses the same scope as the remote address.
This is not a bug.
Fixes#686Closes#9998
Deprecation and removal of codeset conversion support from the library
have released the strict need for an early binding of mime structures to
an easy handle (https://github.com/curl/curl/commit/2610142).
This constraint currently forces to create the handle before the mime
structure and the latter cannot be attached to another handle once
created (see https://curl.se/mail/lib-2022-08/0027.html).
This commit removes the handle pointers from the mime structures
allowing more flexibility on their use.
When an easy handle is duplicated, bound mime structures must however
still be duplicated too as their components hold send-time dynamic
information.
Closes#9927
- "FTP with CONNECT and slow server"
I believe this is not a problem these days.
- "FTP with NULs in URL parts"
The FTP protocol does not support them properly anyway.
- remove "FTP and empty path parts in the URL"
I don't think this has ever been reported as a real problem but was only
a hypothetical one.
- "Premature transfer end but healthy control channel"
This is not a bug, this is an optimization that *could* be performed but is
not an actual problem.
- "FTP without or slow 220 response"
Instead add to the documentation of the connect timeout that the
connection is considered complete at TCP/TLS/QUIC layer.
Closes#9979
`Curl_output_aws_sigv4()` doesn't always have the whole payload in
memory to generate a real payload hash. this commit allows the user to
pass in a header like `x-amz-content-sha256` to provide their desired
payload hash
some services like s3 require this header, and may support other values
like s3's `UNSIGNED-PAYLOAD` and `STREAMING-AWS4-HMAC-SHA256-PAYLOAD`
with special semantics. servers use this header's value as the payload
hash during signature validation, so it must match what the client uses
to generate the signature
CURLOPT_AWS_SIGV4.3 now describes the content-sha256 interaction
Signed-off-by: Casey Bodley <cbodley@redhat.com>
Closes#9804
Makes curl always use dot as decimal separator for options,
independently of what the locale says. Makes scripts and command lines
portable.
Updated docs accordingly.
Reported-by: Daniel Faust
Fixes#9969Closes#9972
Prior to this change if curl_multi_perform returned 0 running handles
and then all remaining transfers were added, then the perform loop would
end immediately without performing those transfers.
Reported-by: Mikhail Kuznetsov
Fixes https://github.com/curl/curl/issues/9953
Closes https://github.com/curl/curl/pull/9954
Update bare GNU Make `Makefile.m32` to:
- Move objects into a subdirectory.
- Add support for MS-DOS. Tested with DJGPP.
- Add support for Watt-32 (on MS-DOS).
- Add support for AmigaOS.
- Rename `Makefile.m32` to `Makefile.mk`
- Replace `ARCH` with `TRIPLET`.
- Build `tool_hugehelp.c` proper (when tools are available).
- Drop MS-DOS compatibility macro `USE_ZLIB` (replaced by `HAVE_LIBZ`)
- Add support for `ZLIB_LIBS` to override `-lz`.
- Omit object files when building examples.
- Default `CC` to `gcc` once again, for convenience. (Caveat: compiler
name `cc` cannot be set now.)
- Set `-DCURL_NO_OLDIES` for examples, like autotools does.
- Delete `makefile.dj` files. Notice the configuration details and
defaults are not retained with the new method.
- Delete `makefile.amiga` files. A successful build needs a few custom
options. We're also not retaining all build details from the existing
Amiga make files.
- Rename `Makefile.m32` to `Makefile.mk` to reflect that they are not
Windows/MinGW32-specific anymore.
- Add support for new `CFG` options: `-map`, `-debug`, `-trackmem`
- Set `-DNDEBUG` by default.
- Allow using `-DOS=...` in all `lib/config-*.h` headers, syncing this
with `config-win32.h`.
- Look for zlib parts in `ZLIB_PATH/include` and `ZLIB_PATH/lib`
instead of bare `ZLIB_PATH`.
Note that existing build configurations for MS-DOS and AmigaOS likely
become incompatible with this change.
Example AmigaOS configuration:
```
export CROSSPREFIX=/opt/amiga/bin/m68k-amigaos-
export CC=gcc
export CPPFLAGS='-DHAVE_PROTO_BSDSOCKET_H'
export CFLAGS='-mcrt=clib2'
export LDFLAGS="${CFLAGS}"
export LIBS='-lnet -lm'
make -C lib -f Makefile.mk
make -C src -f Makefile.mk
```
Example MS-DOS configuration:
```
export CROSSPREFIX=/opt/djgpp/bin/i586-pc-msdosdjgpp-
export WATT_PATH=/opt/djgpp/net/watt
export ZLIB_PATH=/opt/djgpp
export OPENSSL_PATH=/opt/djgpp
export OPENSSL_LIBS='-lssl -lcrypt'
export CFG=-zlib-ssl
make -C lib -f Makefile.mk
make -C src -f Makefile.mk
```
Closes#9764
Add a deprecated attribute to functions and enum values that should not
be used anymore.
This uses a gcc 4.3 dialect, thus is only available for this version of
gcc and newer. Note that the _Pragma() keyword is introduced by C99, but
is available as part of the gcc dialect even when compiling in C89 mode.
It is still possible to disable deprecation at a calling module compile
time by defining CURL_DISABLE_DEPRECATION.
Gcc type checking macros are made aware of possible deprecations.
Some testing support Perl programs are adapted to the extended
declaration syntax.
Several test and unit test C programs intentionally use deprecated
functions/options and are annotated to not generate a warning.
New test 1222 checks the deprecation status in doc and header files.
Closes#9667
Improved logic for finding existing --options in text and replacing with
the full version with nroff syntax. This also makes the web version link
options better.
Reported-by: xianghongai on github
Fixes#9899Closes#9902
Field feature_names contains a null-terminated sorted array of feature
names. Bitmask field features is deprecated.
Documentation is updated. Test 1177 and tests/version-scan.pl updated to
match new documentation format and extended to check feature names too.
Closes#9583
- general construct/destroy in connectdata
- default implementations of callback functions
- connect: cfilters for connect and accept
- socks: cfilter for socks proxying
- http_proxy: cfilter for http proxy tunneling
- vtls: cfilters for primary and proxy ssl
- change in general handling of data/conn
- Curl_cfilter_setup() sets up filter chain based on data settings,
if none are installed by the protocol handler setup
- Curl_cfilter_connect() boot straps filters into `connected` status,
used by handlers and multi to reach further stages
- Curl_cfilter_is_connected() to check if a conn is connected,
e.g. all filters have done their work
- Curl_cfilter_get_select_socks() gets the sockets and READ/WRITE
indicators for multi select to work
- Curl_cfilter_data_pending() asks filters if the have incoming
data pending for recv
- Curl_cfilter_recv()/Curl_cfilter_send are the general callbacks
installed in conn->recv/conn->send for io handling
- Curl_cfilter_attach_data()/Curl_cfilter_detach_data() inform filters
and addition/removal of a `data` from their connection
- adding vtl functions to prevent use of Curl_ssl globals directly
in other parts of the code.
Reviewed-by: Daniel Stenberg
Closes#9855
Prior to this change if the user wanted to signal an error from their
write callbacks they would have to use logic to return a value different
from the number of bytes (nmemb) passed to the callback. Also, the
inclination of some users has been to just return 0 to signal error,
which is incorrect as that may be the number of bytes passed to the
callback.
To remedy this the user can now return CURL_WRITEFUNC_ERROR instead.
Ref: https://github.com/curl/curl/issues/9873
Closes https://github.com/curl/curl/pull/9874
- 1.2 Multiple methods in a single WWW-Authenticate: header
This is not considered a bug anymore but a restriction and one that we
keep because we have NEVER gotten this reported by users in the wild and
because of this I consider this a fringe edge case we don't need to
support.
- 1.6 Unnecessary close when 401 received waiting for 100
This is not a bug, but possibly an optimization that *can* be done.
- 1.7 Deflate error after all content was received
This is not a curl bug. This happens due to broken servers.
- 2.1 CURLINFO_SSL_VERIFYRESULT has limited support
This is not a bug. This is just the nature of the implementation.
- 2.2 DER in keychain
This is not a bug.
- 5.7 Visual Studio project gaps
This is not a bug.
- 15.14 cmake build is not thread-safe
Fixed in 109e9730ee
- 11.3 Disconnects do not do verbose
This is not a bug.
Closes#9871
This option adds a piece of data, usually a name + value pair, to the
end of the URL query part. The syntax is identical to that used for
--data-urlencode with one extension:
If the argument starts with a '+' (plus), the rest of the string is
provided as-is unencoded.
This allows users to "build" query parts with options and URL encoding
even when not doing GET requests, which the already provided option -G
(--get) is limited to.
This idea was born in a Twitter thread.
Closes#9691
Adds a new option to control the maximum time that a cached
certificate store may be retained for.
Currently only the OpenSSL backend implements support for
caching certificate stores.
Closes#9620
A regfression in 7.86.0 (via 1e9a538e05) made the tailmatch work
differently than before. This restores the logic to how it used to work:
All names listed in NO_PROXY are tailmatched against the used domain
name, if the lengths are identical it needs a full match.
Update the docs, update test 1614.
Reported-by: Stuart Henderson
Fixes#9842Closes#9858
If a command line option is in many help categories, there is a risk
that CURLHELP bitmask source lines generated for listhelp are longer
than 79 characters.
This change takes care of folding such long lines.
Cloes #9834
The read callback can timeout if there's nothing to read within the
given maximum period. Example use case is when doing "curl -m 3
telnet://example.com" or anything else that expects input on stdin or
similar that otherwise would "hang" until something happens and then not
respect the timeout.
This fixes KNOWN_BUG 8.1, first filed in July 2009.
Bug: https://sourceforge.net/p/curl/bugs/846/Closes#9815
- Replace `Github` with `GitHub`.
- Replace `windows` with `Windows`
- Replace `advice` with `advise` where a verb is used.
- A few fixes on removing repeated words.
- Replace `a HTTP` with `an HTTP`
Closes#9802
For both IPv4 and IPv6 addresses. Now also checks IPv6 addresses "correctly"
and not with string comparisons.
Split out the noproxy checks and functionality into noproxy.c
Added unit test 1614 to verify checking functions.
Reported-by: Mathieu Carbonneaux
Fixes#9773Fixes#5745Closes#9775
The keyword specifies how option works when specified multiple times:
- single: the last provided value replaces the earlier ones
- append: it supports being provided multiple times
- boolean: on/off values
- mutex: flag-like option that disable anoter flag
The 'gen.pl' script then outputs the proper and unified language for
each option's multi-use behavior in the generated man page.
The multi: header is requires in each .d file and will cause build error
if missing or set to an unknown value.
Closes#9759
They were previously (erroneously) added manually to tool_listhelp.c
which would make them get removed again when the file is updated next
time, unless added correctly here in header.d
Follow-up to 2437fac01Closes#9690
"You never needed a pass phrase" reads like it's about to be followed by
something like "until version so-and-so", but that is not what is
intended. Change to "You never need a pass phrase". There are two
instances of this text, so make sure to update both.
curl_ws_recv() now receives data to fill up the provided buffer, but can
return a partial fragment. The function now also get a pointer to a
curl_ws_frame struct with metadata that also mentions the offset and
total size of the fragment (of which you might be receiving a smaller
piece). This way, large incoming fragments will be "streamed" to the
application. When the curl_ws_frame struct field 'bytesleft' is 0, the
final fragment piece has been delivered.
curl_ws_recv() was also adjusted to work with a buffer size smaller than
the fragment size. (Possibly needless to say as the fragment size can
now be 63 bit large).
curl_ws_send() now supports sending a piece of a fragment, in a
streaming manner, in addition to sending the entire fragment in a single
call if it is small enough. To send a huge fragment, curl_ws_send() can
be used to send it in many small calls by first telling libcurl about
the total expected fragment size, and then send the payload in N number
of separate invokes and libcurl will stream those over the wire.
The struct curl_ws_meta() returns is now called 'curl_ws_frame' and it
has been extended with two new fields: *offset* and *bytesleft*. To help
describe the passed on data chunk when a fragment is delivered in many
smaller pieces.
The documentation has been updated accordingly.
Closes#9636
Example programs targeting a deprecated feature/option are commented with
a warning about it.
Other examples are adapted to not use deprecated options.
Closes#9661
The former way that also suggested using a non-existing file to just
enable the cookie engine could lead to developers maybe a bit carelessly
guessing a file name that will not exist, and then in a future due to
circumstances, such a file could be made to exist and then accidentally
libcurl would read cookies not actually meant to.
Reported-by: Trail of bits
Closes#9654
After this patch, we reduce the three copies of most `Makefile.m32`
logic to one. This now resides in `lib/Makefile.m32`. It makes future
updates easier, the code shorter, with a small amount of added
complexity.
`Makefile.m32` reduction:
| | bytes | LOC total | blank | comment | code |
|-------------------|-------:|----------:|-------:|---------:|------:|
| 7.85.0 | 34772 | 1337 | 79 | 192 | 1066 |
| before this patch | 17601 | 625 | 62 | 106 | 457 |
| after this patch | 11680 | 392 | 52 | 104 | 236 |
Details:
- Change rules to create objects for the `v*` subdirs in the `lib` dir.
This allows to use a shared compile rule and assumes that filenames
are not (and will not be) colliding across these directories.
`Makefile.m32` now also stores a list of these subdirs. They are
changing rarely though.
- Sync as much as possible between the three `Makefile.m32` scripts'
rules and their source/target sections.
- After this patch `CPPFLAGS` are all applied to the `src` sources once
again. This matches the behaviour of cmake/autotools. Only zlib ones
are actually required there.
- Use `.rc` names from `Makefile.inc` instead of keeping a duplicate.
- Change examples to link `libcurl.dll` by default. This makes building
trivial, even as a cross-build:
`CC=x86_64-w64-mingw32-gcc make -f Makefile.m32`
To run them, you need to move/copy or add-to-path `libcurl.dll`.
You can select static mode via `CFG=-static`.
- List more of the `Makefile.m32` config variables.
- Drop `.rc` support from examples. It made it fragile without much
benefit.
- Include a necessary system lib for the `externalsocket.c` example.
- Exclude unnecessary systems libs when building in `-dyn` mode.
Closes#9642
This patch overhauls `Makefile.m32` scripts, fixing a list of quirks,
making its behaviour and customization envvars align better with other
build systems, aiming for less code, that is easier to read, use and
maintain.
Details:
- Rename customization envvars:
`CURL_CC` -> `CC`
`CURL_RC` -> `RC`
`CURL_AR` -> `AR`
`CURL_LDFLAG_EXTRAS_DLL` -> `CURL_LDFLAGS_LIB`
`CURL_LDFLAG_EXTRAS_EXE` -> `CURL_LDFLAGS_BIN`
- Drop `CURL_STRIP` and `CURL_RANLIB`. These tools are no longer used.
- Accept `CFLAGS`, `CPPFLAGS`, `RCFLAGS`, `LDFLAGS` and `LIBS` envvars.
- Drop `CURL_CFLAG_EXTRAS`, `CURL_LDFLAG_EXTRAS`, `CURL_RCFLAG_EXTRAS` in
favor of the above.
- Do not automatically enable `zlib` with `libssh2`. `zlib` is optional
with `libssh2`.
- Omit unnecessary `CPPFLAGS` options when building `curl.exe` and
examples.
- Drop support for deprecated `-winssl` `CFG` option. Use `-schannel`
instead.
- Avoid late evaluation where not necessary (`=` -> `:=`).
- Drop support for `CURL_DLL_A_SUFFIX` to override the implib suffix.
Instead, use the standard naming scheme by default: `libcurl.dll.a`.
The toolchain recognizes the name, and selects it automatically when
asking for a `-shared` vs. `-static` build.
- Stop applying `strip` to `libcurl.a`. Follow-up from
16a58e9f93. There was no debug info to
strip since then.
- Stop setting `-O3`, `-W`, `-Wall` options. You can add these to
`CFLAGS` as desired.
- Always enable `-DCURL_DISABLE_OPENSSL_AUTO_LOAD_CONFIG` with OpenSSL,
to avoid that vulnerability on Windows.
- Add `-lbrotlicommon` to `LIBS` when using `brotli`.
- Do not enable `-nghttp3` without `-ngtcp2`.
- `-ssh2` and `-rtmp` options no longer try to auto-select a TLS-backend.
You need to set the backend explicitly. This scales better and avoids
issues with certain combinations (e.g. `libssh2` + `wolfssl` with no
`schannel`).
- Default to OpenSSL TLS-backend with `ngtcp2`. Possible to override via
`NGTCP2_LIBS`.
- Old, alternate method of enabling components (e.g. `SSH2=1`) no longer
supported.
- Delete `SPNEGO` references. They were no-ops.
- Drop support for Win9x environments.
- Allow setting `OPENSSL_LIBS` independently from `OPENSSL_LIBPATH`.
- Support autotools/CMake `libssh2` builds by default.
- Respect `CURL_DLL_SUFFIX` in `-dyn` mode when building `curl.exe` and
examples.
- Assume standard directory layout with `LIBCARES_PATH`. (Instead of the
long gone embedded one.)
- Stop static linking with c-ares by default. Add
`CPPFLAGS=-DCARES_STATICLIB` to enable it.
- Reorganize internal layout to avoid redundancy and emit clean diffs
between src/lib and example make files.
- Delete unused variables.
- Code cleanups/rework.
- Comment and indentation fixes.
Closes#9632
- Drop auto-detection of OpenSSL 1.0.2 and earlier. Now always defaulting
to OpenSSL 1.1.0 and later, LibreSSL and BoringSSL.
- Drop `Invalid path to OpenSSL package` detection. OpenSSL has been
using a standard file layout since 1.1.0, so this seems unnecessary
now.
- Drop special logic to enable Novell LDAP SDK support.
- Drop special logic to enable OpenLDAP LDAP SDK support. This seems
to be distinct from native OpenLDAP, with support implemented inside
`lib/ldap.c` (vs. `lib/openldap.c`) back when the latter did not exist
yet in curl.
- Add `-lwldap32` only if there is no other LDAP library (either native
OpenLDAP, or SDKs above) present.
- Update `doc/INSTALL.md` accordingly.
After this patch, it's necessary to make configration changes when using
OpenSSL 1.0.2 or earlier, or the two LDAP SDKs.
OpenSSL 1.0.2 and earlier:
```
export OPENSSL_INCLUDE = <path-to-openssl>/outinc
export OPENSSL_LIBPATH = <path-to-openssl>/out
export OPENSSL_LIBS = -lssl32 -leay32 -lgdi32
```
Novell LDAP SDK, previously enabled via `USE_LDAP_NOVELL=1`:
```
export CURL_CFLAG_EXTRAS = -I<path-to-sdk>/inc -DCURL_HAS_NOVELL_LDAPSDK
export CURL_LDFLAG_EXTRAS = -L<path-to-sdk>/lib/mscvc -lldapsdk -lldapssl -lldapx
```
OpenLDAP LDAP SDK, previously enabled via `USE_LDAP_OPENLDAP=1`:
```
export CURL_CFLAG_EXTRAS = -I<path-to-sdk>/include -DCURL_HAS_OPENLDAP_LDAPSDK
export CURL_LDFLAG_EXTRAS = -L<path-to-sdk>/lib -lldap -llber
```
I haven't tested these scenarios, and in general we recommend using
a recent OpenSSL release. Also, WinLDAP (the Windows default) and
OpenLDAP (via `-DUSE_OPENLDAP`) are the LDAP options actively worked on
in curl.
Closes#9631
SourceForge projects can now choose between two hostnames, with .io and
.net ending. Both support HTTPS by default now. Opening the other variant
will perm-redirected to the one chosen by the project.
The .io -> .net redirection is done insecurely.
Let's update the URLs to point to the current canonical endpoints to
avoid any redirects.
Closes#9630
- Add `-lcrypt32` once, and add it always for simplicity.
- Delete broken link and reference to the pre-Vista WinIDN add-on.
MS no longer distribute it.
- Delete related `WINIDN_PATH` option. IDN is a system lib since Vista.
- Sync `LIBCARES_PATH` default with the rest of dependencies.
- Delete version numbers from dependency path defaults.
- `libgsasl` package is now called `gsasl`.
- Delete `libexpat` and `libxml2` references. No longer used by curl.
- Delete `Edit the path below...` comments. We recommend to predefine
those envvars instead.
- `libcares.a` is not an internal dependency anymore. Stop using it as
such.
- `windres` `--include-dir` -> `-I`, `-F` -> `--target=` for readability.
- Delete `STRIP`, `CURL_STRIP`, `AR` references from `src/Makefile.m32`.
They were never used.
- Stop to `clean` some objects twice in `src/Makefile.m32`.
- Delete cvs-specific leftovers.
- Finish resource support in examples make file.
- Delete `-I<root>/lib` from examples make file.
- Fix copyright start year in examples make file.
- Delete duplicate `ftpuploadresume` input in examples make file.
- Sync OpenSSL lib order, `SYNC` support, `PROOT` use, dependency path
defaults, variables names and other internal bits between the three
make files.
- `lib/Makefile.m32` accepted custom options via `DLL_LIBS` envvar. This
was lib-specific and possibly accidental. Use `CURL_LDFLAG_EXTRAS_DLL`
envvar for the same effect.
- Fix linking `curl.exe` and examples to wrong static libs with
auto-detected OpenSSL 1.0.2 or earlier.
- Add `-lgdi32` for OpenSSL 1.0.2 and earlier only.
- Add link to Novell LDAP SDK and use a relative default path. Latest
version is from 2016, linked to an outdated OpenSSL 1.0.1.
- Whitespace and comment cleanups.
TODO in a next commit:
Delete built-in detection/logic for OpenSSL 1.0.2 and earlier, the Novell
LDAP SDK and the other LDAP SDK (which is _not_ OpenLDAP). Write up the
necessary custom envvars to configure them.
Closes#9616
The introduction of CURL_DISABLE_MIME came with some additional bugs:
- Disabled MIME is compiled-in anyway if SMTP and/or IMAP is enabled.
- CURLOPT_MIMEPOST, CURLOPT_MIME_OPTIONS and CURLOPT_HTTPHEADER are
conditioned on HTTP, although also needed for SMTP and IMAP MIME mail
uploads.
In addition, the CURLOPT_HTTPHEADER and --header documentation does not
mention their use for MIME mail.
This commit fixes the problems above.
Closes#9610
If curl_off_t turns out to be smaller than 8 bytes,
--with-n64-deprecated needs to be used to allow the build to
continue. This is to highlight the fact that support for such builds is
going away next year.
Also mentioned in DEPRECATED.md
Closes#9605
