When cURL is compiled with support for multiple SSL backends, it is
possible to configure an SSL backend via `curl_global_sslset()`, but
only *before* `curl_global_init()` was called.
If another SSL backend should be used after that, a user might be
tempted to call `curl_global_cleanup()` to start over. However, we did
not foresee that use case and forgot to reset the SSL backend in that
cleanup.
Let's allow that use case.
Fixes#5255Closes#5257
Reported-by: davidedec on github
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
From libssh 0.9.0, ssh_key_type() returns different key types for ECDSA
keys depending on the curve.
Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
Fixes#5252Closes#5253
- Fix schannel_send for the case when no timeout was set.
Prior to this change schannel would error if the socket was not ready
to send data and no timeout was set.
This commit is similar to parent commit 89dc6e0 which recently made the
same change for SOCKS, for the same reason. Basically it was not well
understood that when Curl_timeleft returns 0 it is not a timeout of 0 ms
but actually means no timeout.
Fixes https://github.com/curl/curl/issues/5177
Closes https://github.com/curl/curl/pull/5221
- Document in Curl_timeleft's comment block that returning 0 signals no
timeout (ie there's infinite time left).
- Fix SOCKS' Curl_blockread_all for the case when no timeout was set.
Prior to this change if the timeout had a value of 0 and that was passed
to SOCKET_READABLE it would return right away instead of blocking. That
was likely because it was not well understood that when Curl_timeleft
returns 0 it is not a timeout of 0 ms but actually means no timeout.
Ref: https://github.com/curl/curl/pull/5214#issuecomment-612512360
Closes https://github.com/curl/curl/pull/5220
Prior to this change gopher's blocking code would block forever,
ignoring any set timeout value.
Assisted-by: Jay Satiro
Reviewed-by: Daniel Stenberg
Similar to #5220 and #5221Closes#5214
When SRP is requested in the priority string, GnuTLS will disable
support for TLS 1.3. Before this change, curl would always add +SRP to
the priority list, effectively always disabling TLS 1.3 support.
With this change, +SRP is only added to the priority list when SRP
authentication is also requested. This also allows updating the error
handling here to not have to retry without SRP. This is because SRP is
only added when requested and in that case a retry is not needed.
Closes#5223
- If loss of data may occur converting a timediff_t to time_t and
the time value is > TIME_T_MAX then treat it as TIME_T_MAX.
This is a follow-up to 8843678 which removed the (time_t) typecast
from the macros so that conversion warnings could be identified.
Closes https://github.com/curl/curl/pull/5199
In a debug build, settting the environment variable "CURL_SMALLREQSEND"
will make the first HTTP request send not send more bytes than the set
amount, thus ending up verifying that the logic for handling a split
HTTP request send works correctly.
Restores the --head functionality to the curl utility which extracts
'protocol' that is stored that way.
Reported-by: James Fuller
Fixes#5196Closes#5198
In libcurl, CURLINFO_CONDITION_UNMET is used to avoid writing to the
output file if the server did not transfered a file based on time
condition. In the same manner, getting a 304 HTTP response back from the
server, for example after passing a custom If-Match-* header, also
fulfill this condition.
Fixes#5181Closes#5183
Currently, the TLS backend used by vquic/ngtcp2.c is selected at compile
time. Therefore OpenSSL support needs to be explicitly disabled.
Signed-off-by: Daiki Ueno <dueno@redhat.com>
Closes#5148
This updates the ngtcp2 OpenSSL backend to follow the API change in
commit 32e703164 of ngtcp2.
Notable changes are:
- ngtcp2_crypto_derive_and_install_{rx,tx}_key have been added to replace
ngtcp2_crypto_derive_and_install_key
- the 'side' argument of ngtcp2_crypto_derive_and_install_initial_key
has been removed
Fixes#5166Closes#5168
OpenSSL 3 deprecates SSL_CTX_load_verify_locations and the MD4, DES
functions we use.
Fix the MD4 and SSL_CTX_load_verify_locations warnings.
In configure, detect OpenSSL v3 and if so, inhibit the deprecation
warnings. OpenSSL v3 deprecates the DES functions we use for NTLM and
until we rewrite the code to use non-deprecated functions we better
ignore these warnings as they don't help us.
Closes#5139
Reported by the new script 'scripts/copyright.pl'. The script has a
regex whitelist for the files that don't need copyright headers.
Removed three (mostly usesless) README files from docs/
Closes#5141
.. because not all Windows build systems have those symbols, and even
those that do may be missing newer symbols (eg the Windows 7 SDK does
not define _WIN32_WINNT_WIN10).
Those symbols are used in build-time logic to decide which API to use
and prior to this change if the symbols were missing it would have
resulted in deprecated API being used when more recent functions were
available (eg GetVersionEx used instead of VerifyVersionInfo).
Reported-by: FuccDucc@users.noreply.github.com
Probably fixes https://github.com/curl/curl/issues/4995
Closes https://github.com/curl/curl/pull/5057
