Daniel Stenberg [Fri, 10 Dec 2021 11:46:16 +0000 (12:46 +0100)]
multi: cleanup the socket hash when destroying it
Since each socket hash entry may themselves have a hash table in them,
the destroying of the socket hash needs to make sure all the subhashes
are also correctly destroyed to avoid leaking memory.
Daniel Stenberg [Thu, 2 Dec 2021 12:57:38 +0000 (13:57 +0100)]
multi: handle errors returned from socket/timer callbacks
The callbacks were partially documented to support this. Now the
behavior is documented and returning error from either of these
callbacks will effectively kill all currently ongoing transfers.
Dan Fandrich [Wed, 1 Dec 2021 02:33:49 +0000 (18:33 -0800)]
docs: Update the Reducing Size section
Add many more options that can reduce the size of the binary that were
added since the last update. Update the sample minimal binary size for
version 7.80.0.
Daniel Stenberg [Fri, 19 Nov 2021 15:11:29 +0000 (16:11 +0100)]
tool_findfile: search for a file in the homedir
The homedir() function is now renamed into findfile() and iterates over
all the environment variables trying to access the file in question
until it finds it. Last resort is then getpwuid() if
available. Previously it would first try to find a home directory and if
that was set, insist on checking only that directory for the file. This
now returns the full file name it finds.
The Windows specific checks are now done differently too and in this
order:
1 - %USERPROFILE%
2 - %APPDATA%
3 - %USERPROFILE%\\Application Data
The windows order is modified to match how the Windows 10 ssh tool works
when it searches for .ssh/known_hosts.
Reported-by: jeffrson on github Co-authored-by: Jay Satiro
Fixes #8033
Closes #8035
Daniel Stenberg [Fri, 26 Nov 2021 13:20:18 +0000 (14:20 +0100)]
docs: consistent manpage SYNOPSIS
Make all libcurl related options use .nf (no fill) for the SYNOPSIS
section - for consistent look. roffit then renders that section using
<pre> (monospace font) in html for the website.
Extended manpage-syntax (test 1173) with a basic check for it.
Viktor Szakats [Thu, 25 Nov 2021 17:35:24 +0000 (17:35 +0000)]
Makefile.m32: rename -winssl option to -schannel and tidy up
- accept `-schannel` as an alternative to `CFG` option `-winssl`
(latter still accepted, but deprecated)
- rename internal variable `WINSSL` to `SCHANNEL`
- make the `CFG` option evaluation shorter, without repeating the option
name
Reviewed-by: Marcel Raad Reviewed-by: Daniel Stenberg
Closes #8053
Daniel Stenberg [Tue, 23 Nov 2021 16:07:31 +0000 (17:07 +0100)]
urlapi: provide more detailed return codes
Previously, the return code CURLUE_MALFORMED_INPUT was used for almost
30 different URL format violations. This made it hard for users to
understand why a particular URL was not acceptable. Since the API cannot
point out a specific position within the URL for the problem, this now
instead introduces a number of additional and more fine-grained error
codes to allow the API to return more exactly in what "part" or section
of the URL a problem was detected.
Also bug-fixes curl_url_get() with CURLUPART_ZONEID, which previously
returned CURLUE_OK even if no zoneid existed.
Test cases in 1560 have been adjusted and extended. Tests 1538 and 1559
have been updated.
Updated libcurl-errors.3 and curl_url_strerror() accordingly.
Daniel Stenberg [Tue, 23 Nov 2021 13:16:38 +0000 (14:16 +0100)]
urlapi: make Curl_is_absolute_url always use MAX_SCHEME_LEN
Instad of having all callers pass in the maximum length, always use
it. The passed in length is instead used only as the length of the
target buffer for to storing the scheme name in, if used.
Added the scheme max length restriction to the curl_url_set.3 man page.
Daniel Stenberg [Mon, 22 Nov 2021 17:09:43 +0000 (18:09 +0100)]
curl: improve error message for --head with -J
... it now focuses on the "output of headers" combined with the
--remote-header-name option, as that is actually the problem. Both
--head and --include can output headers.
Reported-by: nimaje on github
Fixes #7987
Closes #8045
The comment is incorrect in two ways:
- It says the check needs to be last, but the check is actually first.
- is_handshaking actually starts out true.
Daniel Stenberg [Fri, 19 Nov 2021 09:55:23 +0000 (10:55 +0100)]
http: enable haproxy support for hyper backend
This is done by having native code do the haproxy header output before
hyper issues its request. The little downside with this approach is that
we need the entire Curl_buffer_send() function built, which is otherwise
not used for hyper builds.
If hyper ends up getting native support for the haproxy protocols we can
backpedal on this.
Bernhard Walle [Wed, 17 Nov 2021 10:40:41 +0000 (11:40 +0100)]
configure: fix runtime-lib detection on macOS
With a non-standard installation of openssl we get this error:
checking run-time libs availability... failed
configure: error: one or more libs available at link-time are not available run-time. Libs used at link-time: -lnghttp2 -lssl -lcrypto -lssl -lcrypto -lz
There's already code to set LD_LIBRARY_PATH on Linux, so set
DYLD_LIBRARY_PATH equivalent on macOS.
Daniel Stenberg [Mon, 15 Nov 2021 16:13:17 +0000 (17:13 +0100)]
docs/cmdline-opts: do not say "protocols: all"
Remove the lines saying "protocols: all". It makes the output in the
manpage look funny, and the expectation is probably by default that if
not anything is mentioned about protocols the option apply to them all.
Patrick Monnerat [Mon, 25 Oct 2021 10:58:37 +0000 (12:58 +0200)]
mime: use percent-escaping for multipart form field and file names
Until now, form field and file names where escaped using the
backslash-escaping algorithm defined for multipart mails. This commit
replaces this with the percent-escaping method for URLs.
As this may introduce incompatibilities with server-side applications, a
new libcurl option CURLOPT_MIME_OPTIONS with bitmask
CURLMIMEOPT_FORMESCAPE is introduced to revert to legacy use of
backslash-escaping. This is controlled by new cli tool option
--form-escape.
New tests and documentation are provided for this feature.
Daniel Stenberg [Sat, 13 Nov 2021 10:44:34 +0000 (11:44 +0100)]
configure: better diagnostics if hyper is built wrong
If hyper is indeed present in the specified directory but couldn't be
used to find the correct symbol, then offer a different error message to
better help the user understand the issue.
Suggested-by: Jacob Hoffman-Andrews
Fixes #8001
Closes #8005
When we're reading out plaintext from rustls' internal buffers, we might
get a read of zero bytes (meaning a clean TCP close, including
close_notify). However, we shouldn't return immediately when that
happens, since we may have already copied out some plaintext bytes.
Break out of the loop when we get a read of zero bytes, and figure out
which path we're dealing with.
The update to rustls-ffi 0.8.0 changed handling of EOF and close_notify.
From the CHANGELOG:
> Handling of unclean close and the close_notify TLS alert. Mirroring
> upstream changes, a rustls_connection now tracks TCP closed state like
> so: rustls_connection_read_tls considers a 0-length read from its
> callback to mean "TCP stream was closed by peer." If that happens
> before the peer sent close_notify, rustls_connection_read will return
> RUSTLS_RESULT_UNEXPECTED_EOF once the available plaintext bytes are
> exhausted. This is useful to protect against truncation attacks. Note:
> some TLS implementations don't send close_notify. If you are already
> getting length information from your protocol (e.g. Content-Length in
> HTTP) you may choose to ignore UNEXPECTED_EOF so long as the number of
> plaintext bytes was as expected.
That means we don't need to check for unclean EOF in `cr_recv()`,
because `process_new_packets()` will give us an error if appropriate.
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