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Commit Graph

11312 Commits

Author SHA1 Message Date
Daniel Stenberg
7f1c098728
urlapi: accept :: as a valid IPv6 address
Text 1560 is extended to verify.

Reported-by: Pavel Volgarev
Fixes #5344
Closes #5351
2020-05-08 08:47:29 +02:00
Peter Wang
1c341e2270
*_sspi: fix bad uses of CURLE_NOT_BUILT_IN
Return CURLE_AUTH_ERROR instead of CURLE_NOT_BUILT_IN for other
instances of QuerySecurityPackageInfo failing, as in
commit 2a81439553.

Closes #5355
2020-05-08 08:37:56 +02:00
Daniel Stenberg
14c17a2b6e
ngtcp2: introduce qlog support
If the QLOGDIR environment variable is set, enable qlogging.

... and create Curl_qlogdir() in the new generic vquic/vquic.c file for
QUIC functions that are backend independent.

Closes #5353
2020-05-07 16:27:49 +02:00
Daniel Stenberg
2a81439553
ntlm_sspi: fix bad use of CURLE_NOT_BUILT_IN
That return code is reserved for build-time conditional code not being
present while this was a regular run-time error from a Windows API.

Reported-by: wangp on github
Fixes #5349
Closes #5350
2020-05-07 12:58:57 +02:00
Daniel Stenberg
54a2b63c70
http2: simplify and clean up trailer handling
Triggered by a crash detected by OSS-Fuzz after the dynbuf introduction in
ed35d6590e. This should make the trailer handling more straight forward and
hopefully less error-prone.

Deliver the trailer header to the callback already at receive-time. No
longer caches the trailers to get delivered at end of stream.

Bug: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22030
Closes #5348
2020-05-07 09:49:51 +02:00
Daniel Stenberg
44645ca8b0
libssh2: convert over to use dynbuf
In my very basic test that lists sftp://127.0.0.1/tmp/, this patched
code makes 161 allocations compared to 194 in git master. A 17%
reduction.

Closes #5336
2020-05-05 14:54:07 +02:00
Daniel Stenberg
80b9db1283
quiche: enable qlog output
quiche has the potential to log qlog files. To enable this, you must
build quiche with the qlog feature enabled `cargo build --features
qlog`. curl then passes a file descriptor to quiche, which takes
ownership of the file. The FD transfer only works on UNIX.

The convention is to enable logging when the QLOGDIR environment is
set. This should be a path to a folder where files are written with the
naming template <SCID>.qlog.

Co-authored-by: Lucas Pardue
Replaces #5337
Closes #5341
2020-05-05 14:50:33 +02:00
Daniel Stenberg
e0af243b61
urldata.h: remove #define HEADERSIZE, not used anymore
Follow-up to ed35d6590e
2020-05-04 16:53:05 +02:00
Daniel Stenberg
18815aa670
ngtcp2: convert to dynbuf
Closes #5335
2020-05-04 14:57:57 +02:00
Daniel Stenberg
7a86a25f5b
connect: make happy eyeballs work for QUIC (again)
Follow-up from dbd16c3e25 (regression in 7.70.0)

Closes #5334
2020-05-04 14:56:26 +02:00
Daniel Stenberg
d2dfa3e689
connect: add two asserts to clue code analyzers in a little 2020-05-04 11:03:29 +02:00
Daniel Stenberg
dae126ff12
http_proxy: ported to use dynbuf instead of a static size buffer
Removes a 16K static buffer from the easy handle. Simplifies the code.
2020-05-04 10:41:06 +02:00
Daniel Stenberg
ed35d6590e
dynbuf: introduce internal generic dynamic buffer functions
A common set of functions instead of many separate implementations for
creating buffers that can grow when appending data to them. Existing
functionality has been ported over.

In my early basic testing, the total number of allocations seem at
roughly the same amount as before, possibly a few less.

See docs/DYNBUF.md for a description of the API.

Closes #5300
2020-05-04 10:40:39 +02:00
Daniel Stenberg
59e351a572
asyn-*: remove support for never-used NULL entry pointers
... and instead convert those to asserts to make sure they are truly
never NULL.

Closes #5324
2020-05-03 22:48:04 +02:00
Jay Satiro
153d581b7f asyn-thread: fix cppcheck warning
- Check for NULL entry parameter before attempting to deref entry in
  Curl_resolver_is_resolved, like is already done in asyn-ares.

This is to silence cppcheck which does not seem to understand that
asyn-ares and asyn-thread have separate Curl_resolver_is_resolved
and those units are mutually exclusive. Prior to this change it warned
of a scenario where asyn-thread's Curl_resolver_is_resolved is called
with a NULL entry from asyn-ares, but that couldn't happen.

Reported-by: rl1987@users.noreply.github.com

Fixes https://github.com/curl/curl/issues/5326
2020-05-02 15:03:39 -04:00
Jay Satiro
85eda4e87a select: fix overflow protection in Curl_socket_check
Follow-up to a96c752 which changed the timeout_ms type from time_t to
timediff_t.

Ref: https://github.com/curl/curl/pull/5240

Closes https://github.com/curl/curl/pull/5286
2020-05-02 15:02:20 -04:00
Daniel Stenberg
df2093d293
libssh2: set the expected total size in SCP upload init
... as otherwise the progress callback gets called without that
information, making the progress meter have less info.

Reported-by: Murugan Balraj
Bug: https://curl.haxx.se/mail/archive-2020-05/0000.html
Closes #5317
2020-05-02 16:38:48 +02:00
Emil Engler
42d8d9a7e8
GnuTLS: Backend support for CURLINFO_SSL_VERIFYRESULT
Closes #5287
2020-04-30 14:40:54 +02:00
Daniel Stenberg
c069027139
conncache: various concept cleanups
More connection cache accesses are protected by locks.

CONNCACHE_* is a beter prefix for the connection cache lock macros.

Curl_attach_connnection: now called as soon as there's a connection
struct available and before the connection is added to the connection
cache.

Curl_disconnect: now assumes that the connection is already removed from
the connection cache.

Ref: #4915
Closes #5009
2020-04-30 14:27:54 +02:00
Daniel Stenberg
d39b4128d5
schannel: source code reindent
White space edits only. Conform better to standard curl source code
indenting style.

Closes #5305
2020-04-29 14:43:59 +02:00
Daniel Stenberg
6370e43153
headers: copyright range fix 2020-04-28 18:10:46 +02:00
Rikard Falkeborn
fc0e29dd57
doh: Constify some input pointers
Closes #5306
2020-04-28 07:56:34 +02:00
Daniel Stenberg
cad15b9f92
nss: check for PK11_CreateDigestContext() returning NULL
... to avoid crashes!

Reported-by: Hao Wu
Fixes #5302
Closes #5303
2020-04-27 16:25:59 +02:00
Daniel Stenberg
b7135f58f5
copyright updates: adjust year ranges 2020-04-26 23:59:22 +02:00
Daniel Stenberg
446fb0518b
smtp: set auth correctly
Regression since 7.69.0 and 68fb25fa3f.

The code wrongly assigned 'from' instead of 'auth' which probably was a
copy and paste mistake from other code, leading to that auth could
remain NULL and later cause an error to be returned.

Assisted-by: Eric Sauvageau
Fixes #5294
Closes #5295
2020-04-25 14:14:43 +02:00
Marcel Raad
6ad062ae71
lib: clean up whitespace
This fixes CodeFactor warnings.
2020-04-25 11:15:49 +02:00
Anderson Toshiyuki Sasaki
7bc709f670
libssh: avoid options override by configuration files
Previously, options set explicitly through command line options could be
overridden by the configuration files parsed automatically when
ssh_connect() was called.

By calling ssh_options_parse_config() explicitly, the configuration
files are parsed before setting the options, avoiding the options
override.  Once the configuration files are parsed, the automatic
configuration parsing is not executed.

Fixes #4972
Closes #5283
Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
2020-04-25 00:53:11 +02:00
Daniel Stenberg
a96c7529eb
select: make Curl_socket_check take timediff_t timeout
Coverity found CID 1461718:

Integer handling issues (CONSTANT_EXPRESSION_RESULT) "timeout_ms >
9223372036854775807L" is always false regardless of the values of its
operands. This occurs as the logical second operand of "||".

Closes #5240
2020-04-23 15:57:23 +02:00
Jay Satiro
c0e139a60d transfer: Switch PUT to GET/HEAD on 303 redirect
Prior to this change if there was a 303 reply to a PUT request then
the subsequent request to respond to that redirect would also be a PUT.
It was determined that was most likely incorrect based on the language
of the RFCs. Basically 303 means "see other" resource, which implies it
is most likely not the same resource, therefore we should not try to PUT
to that different resource.

Refer to the discussions in #5237 and #5248 for more information.

Fixes https://github.com/curl/curl/issues/5237
Closes https://github.com/curl/curl/pull/5248
2020-04-22 17:56:17 -04:00
Daniel Stenberg
bffa116535
lib/mk-ca-bundle: skip empty certs
Reviewed-by: Emil Engler
Reported-by: Ashwin Metpalli
Fixes #5278
Closes #5280
2020-04-22 22:55:08 +02:00
Daniel Stenberg
3fdc4bdb5b
version: skip idn2_check_version() check and add precaution
A gcc-10's -fanalyze complaint made me spot and do these improvements.

Closes #5281
2020-04-22 22:52:32 +02:00
Emil Engler
2d137dedb3
GnuTLS: Don't skip really long certificate fields
Closes #5271
2020-04-21 08:10:55 +02:00
Daniel Stenberg
0891fe7ade
gnutls: bump lowest supported version to 3.1.10
GnuTLS 3.1.10 added new functions we want to use. That version was
released on Mar 22, 2013. Removing support for older versions also
greatly simplifies the code.

Ref: #5271
Closes #5276
2020-04-21 08:09:41 +02:00
Daniel Stenberg
10fece336f
mqtt: make NOSTATE get within the debug name array 2020-04-20 23:27:04 +02:00
Daniel Stenberg
093a9e0014
mqtt: remove code with no purpose
Detected by Coverity. CID 1462319.

"The same code is executed when the condition result is true or false,
because the code in the if-then branch and after the if statement is
identical."

Closes #5275
2020-04-20 22:35:48 +02:00
Daniel Stenberg
96c149685b
mqtt: fix Curl_read() error handling while reading remaining length
Detected by Coverity. CID 1462320.

Closes #5274
2020-04-20 22:34:44 +02:00
Daniel Stenberg
df28ed6116
http: free memory when Alt-Used header creation fails due to OOM
Reported-by: James Fuller
Fixes #5268
Closes #5269
2020-04-20 14:24:56 +02:00
Daniel Gustafsson
10822c652c lib: fix typos in comments and errormessages
This fixes a few randomly spotted typos in recently merged code, most
notably one in a userfacing errormessage the schannel code.
2020-04-20 10:12:22 +02:00
Johannes Schindelin
ff7a3107ed
multi-ssl: reset the SSL backend on Curl_global_cleanup()
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 #5255
Closes #5257
Reported-by: davidedec on github
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
2020-04-20 09:15:47 +02:00
Daniel Stenberg
5811beba39
mqtt: improve the state machine
To handle PUBLISH before SUBACK and more.

Updated the existing tests and added three new ones.

Reported-by: Christoph Krey
Bug: https://curl.haxx.se/mail/lib-2020-04/0021.html
Closes #5246
2020-04-20 08:09:33 +02:00
Patrick Monnerat
d7471c1369
mime: properly check Content-Type even if it has parameters
New test 669 checks this fix is effective.

Fixes #5256
Closes #5258
Reported-by: thanhchungbtc on github
2020-04-19 20:52:48 +02:00
Anderson Toshiyuki Sasaki
14bf7eb6e5
libssh: Use new ECDSA key types to check known hosts
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 #5252
Closes #5253
2020-04-17 23:22:26 +02:00
Daniel Stenberg
4cd239fbf6
copyright: bump the copyright year range 2020-04-15 09:24:49 +02:00
Bjorn Stenberg
2522903b79
mqtt: add new experimental protocol
Closes #5173
2020-04-14 13:03:40 +02:00
Nathaniel R. Lewis
7fa1578471
cmake: add aliases so exported target names are available in tree
Reviewed-by: Brad King
Closes #5206
2020-04-13 23:27:35 +02:00
Daniel Stenberg
f62bd9db90
version: increase buffer space for ssl version output
To avoid it getting truncated, especially when several SSL backends are
built-in.

Reported-by: Gisle Vanem
Fixes #5222
Closes #5226
2020-04-13 22:26:53 +02:00
Andrew Kurushin
c35af29222 schannel: Fix blocking timeout logic
- 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
2020-04-12 18:32:17 -04:00
Jay Satiro
0510cce8c0 socks: Fix blocking timeout logic
- 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
2020-04-12 18:32:16 -04:00
Marc Hoersken
be28bc2241 gopher: check remaining time left during write busy loop
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 #5221
Closes #5214
2020-04-12 18:32:14 -04:00
Dirkjan Bussink
d590908318
gnutls: ensure TLS 1.3 when SRP isn't requested
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
2020-04-13 00:06:02 +02:00
Daniel Stenberg
5afa07fab5
Revert "file: on Windows, refuse paths that start with \\"
This reverts commit 1b71bc532b.

Reminded-by: Chris Roberts
Bug: https://curl.haxx.se/mail/archive-2020-04/0013.html

Closes #5215
2020-04-11 18:20:38 +02:00
Jay Satiro
53f4070827 lib: fix conversion warnings for SOCKET_WRITABLE/READABLE
- 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
2020-04-11 02:52:25 -04:00
Daniel Stenberg
d4afa0fc20
url: allow non-HTTPS altsvc-matching for debug builds
This is already partly supported but this part was missing.
Reported-by: James Fuller

Closes #5205
2020-04-09 17:46:24 +02:00
Gilles Vollant
0fdf965126
schannel: support .P12 or .PFX client certificates
Used with curl command line option like this: --cert
<filename>:<password> --cert-type p12

Closes #5193
2020-04-08 14:13:12 +02:00
Daniel Stenberg
0ef54abf52
http: don't consider upload done if the request isn't completely sent off
Fixes #4919
Closes #5197
2020-04-08 08:14:23 +02:00
Daniel Stenberg
3e376059bb
http: allow Curl_add_buffer_send() to do a short first send by force
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.
2020-04-08 08:12:59 +02:00
Daniel Stenberg
0bcf975c38
connect: store connection info for QUIC connections
Restores the --head functionality to the curl utility which extracts
'protocol' that is stored that way.

Reported-by: James Fuller
Fixes #5196
Closes #5198
2020-04-08 08:10:08 +02:00
Daniel Stenberg
88436786c8
select: remove typecast from SOCKET_WRITABLE/READABLE macros
So that they don't hide conversions-by-mistake

Reviewed-by: Jay Satiro
Closes #5190
2020-04-07 00:09:34 +02:00
Daniel Stenberg
fef4334091
cleanup: correct copyright year range on a few files 2020-04-06 23:21:52 +02:00
Daniel Stenberg
ae57e27b3e
warnless: remove code block for icc that didn't work
Reported-by: Alain Miniussi
Fixes #5096
2020-04-06 23:18:56 +02:00
Marc Hoersken
298a8235fd
dist: add missing setup-win32.h
Follow up to d820224b8b
2020-04-06 18:05:13 +02:00
Daniel Stenberg
66828f4fd3
lib: never define CURL_CA_BUNDLE with a getenv
- it breaks the build (since 6de756c9b1)
- it's not documented and not consistent across platforms
- the curl tool does that getenv magic

Bug: https://github.com/curl/curl/commit/6de756c#r38127030
Reported-by: Gisle Vanem

Closes #5187
2020-04-05 23:59:20 +02:00
Kwon-Young Choi
54ecc11cc4
CURLINFO_CONDITION_UNMET: return true for 304 http status code
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 #5181
Closes #5183
2020-04-05 11:13:49 +02:00
Viktor Szakats
23a870f2fd
windows: enable UnixSockets with all build toolchains
Extend existing unix socket support in Windows builds to be
enabled for all toolchain vendors or versions. (Previously
it was only supported with certain MSVC versions + more recent
Windows 10 SDKs)

Ref: https://devblogs.microsoft.com/commandline/af_unix-comes-to-windows/
Ref: https://github.com/curl/curl/issues/5162
Closes: https://github.com/curl/curl/pull/5170
2020-04-04 17:53:15 +00:00
Daniel Stenberg
75fac50889
vquic/ngtcp2.h: update copyright year range
Follow-up to 0736ee73d3
2020-03-31 14:42:20 +02:00
Daiki Ueno
0736ee73d3
vquic: add support for GnuTLS backend of ngtcp2
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
2020-03-31 14:39:00 +02:00
Daniel Stenberg
d1369fe216
misc: copyright year updates
Follow-up to 7a71965e9
2020-03-31 11:02:18 +02:00
Harry Sintonen
7a71965e97
build: fixed build for systems with select() in unistd.h
Closes #5169
2020-03-31 10:59:06 +02:00
Daniel Stenberg
14dd0c0200
memdebug: don't log free(NULL)
... it serves no purpose and fills up the log.
2020-03-31 09:44:23 +02:00
Daniel Stenberg
0e607542dc
cleanup: insert newline after if() conditions
Our code style mandates we put the conditional block on a separate
line. These mistakes are now detected by the updated checksrc.
2020-03-30 16:05:30 +02:00
Daniel Stenberg
529add48bc
checksrc: warn on obvious conditional blocks on the same line as if()
Closes #5164
2020-03-30 16:05:05 +02:00
Daiki Ueno
8efd26afbf
ngtcp2: update to git master for the key installation API change
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 #5166
Closes #5168
2020-03-30 16:00:48 +02:00
Daniel Stenberg
93fafb93db
curl.h: remnove CURL_VERSION_ESNI. Never supported nor documented
Considered experimental and therefore we can do this.

Closes #5157
2020-03-29 23:28:49 +02:00
Daniel Stenberg
6de756c9b1
version: add 'cainfo' and 'capath' to version info struct
Suggested-by: Timothe Litt
URL: https://curl.haxx.se/mail/lib-2020-03/0090.html
Reviewed-by: Jay Satiro

Closes #5150
2020-03-27 09:04:27 +01:00
Daniel Stenberg
02174e41f5
openssl: adapt to functions marked as deprecated since version 3
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
2020-03-26 00:40:32 +01:00
Daniel Stenberg
2edeb10457
config: remove all defines of HAVE_DES_H
As there's no code using it.

Closes #5144
2020-03-24 17:54:26 +01:00
Daniel Stenberg
9a8b3b3e13
copyright: fix out-of-date copyright ranges and missing headers
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
2020-03-24 15:05:59 +01:00
Daniel Stenberg
c448c4840e
getinfo: provide CURLINFO_HEADER_SIZE and CURLINFO_REQUEST_SIZE override
To let debug-builds return fake values, like in test 970.

Ref: #5131
Closes #5136
2020-03-22 23:32:57 +01:00
Daniel Stenberg
4852661426
CURLINFO_NUM_CONNECTS: improve accuracy
The counter was not bumped in all cases correctly.

Reported-by: Marcel Raad
Ref: #5131
Closes #5135
2020-03-22 23:31:36 +01:00
Daniel Stenberg
21b3893a11
lib/curl_setup: adjust the copyright year range
Follow-up from d820224b8
2020-03-21 23:19:39 +01:00
Jay Satiro
d820224b8b curl_setup: define _WIN32_WINNT_[OS] symbols
.. 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
2020-03-21 17:42:44 -04:00
Daniel Stenberg
cb2f57c0cd
secure transport: remove the BACKEND define kludge
Closes #5122
2020-03-19 13:22:46 +01:00
Daniel Stenberg
2efc3a424a
mbedtls: remove the BACKEND define kludge 2020-03-19 13:22:35 +01:00
Daniel Stenberg
52182e4b8f
bearssl: remove the BACKEND define kludge 2020-03-19 13:22:34 +01:00
Daniel Stenberg
5076b8668f
wolfssl: remove the BACKEND define kludge 2020-03-19 13:22:34 +01:00
Daniel Stenberg
259d62c7c0
nss: remove the BACKEND define kludge 2020-03-19 13:22:34 +01:00
Daniel Stenberg
89865c149d
gnutls: remove the BACKEND define kludge 2020-03-19 13:22:34 +01:00
Daniel Stenberg
aec0b49df3
openssl: remove the BACKEND define kludge
Use a proper variable instead to make it easier to use a debugger and
read the code.
2020-03-19 13:22:34 +01:00
Jay Satiro
347a374c56 http2: Fix erroneous debug message that h2 connection closed
Prior to this change in libcurl debug builds http2 stream closure was
erroneously referred to as connection closure.

Before:
* nread <= 0, server closed connection, bailing

After:
* nread == 0, stream closed, bailing

Closes https://github.com/curl/curl/pull/5118
2020-03-18 03:39:27 -04:00
Johannes Schindelin
5450428491 schannel: add "best effort" revocation check option
- Implement new option CURLSSLOPT_REVOKE_BEST_EFFORT and
  --ssl-revoke-best-effort to allow a "best effort" revocation check.

A best effort revocation check ignores errors that the revocation check
was unable to take place. The reasoning is described in detail below and
discussed further in the PR.

---

When running e.g. with Fiddler, the schannel backend fails with an
unhelpful error message:

	Unknown error (0x80092012) - The revocation function was unable
	to check revocation for the certificate.

Sadly, many enterprise users who are stuck behind MITM proxies suffer
the very same problem.

This has been discussed in plenty of issues:
https://github.com/curl/curl/issues/3727,
https://github.com/curl/curl/issues/264, for example.

In the latter, a Microsoft Edge developer even made the case that the
common behavior is to ignore issues when a certificate has no recorded
distribution point for revocation lists, or when the server is offline.
This is also known as "best effort" strategy and addresses the Fiddler
issue.

Unfortunately, this strategy was not chosen as the default for schannel
(and is therefore a backend-specific behavior: OpenSSL seems to happily
ignore the offline servers and missing distribution points).

To maintain backward-compatibility, we therefore add a new flag
(`CURLSSLOPT_REVOKE_BEST_EFFORT`) and a new option
(`--ssl-revoke-best-effort`) to select the new behavior.

Due to the many related issues Git for Windows and GitHub Desktop, the
plan is to make this behavior the default in these software packages.

The test 2070 was added to verify this behavior, adapted from 310.

Based-on-work-by: georgeok <giorgos.n.oikonomou@gmail.com>
Co-authored-by: Markus Olsson <j.markus.olsson@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

Closes https://github.com/curl/curl/pull/4981
2020-03-18 03:23:39 -04:00
Jay Satiro
a268ad5d7e multi: Improve parameter check for curl_multi_remove_handle
- If an easy handle is owned by a multi different from the one specified
  then return CURLM_BAD_EASY_HANDLE.

Prior to this change I assume user error could cause corruption.

Closes https://github.com/curl/curl/pull/5116
2020-03-18 02:58:42 -04:00
Viktor Szakats
7284061361 windows: suppress UI in all CryptAcquireContext() calls
Ref: https://docs.microsoft.com/windows/win32/api/wincrypt/nf-wincrypt-cryptacquirecontexta#parameters
Reviewed-by: Marc Hörsken
Closes https://github.com/curl/curl/pull/5088
2020-03-17 23:08:02 +00:00
Daniel Stenberg
7631f2b752
test 970: verify --write-out '%{json}'
Makes curl_easy_getinfo() of "variable" numerical content instead return
the number set in the env variable `CURL_TIME`.

Makes curl_version() of "variable" textual content. This guarantees a
stable version string which can be tested against. Environment variable
`CURL_VERSION` defines the content.

Assisted-by: Mathias Gumz
2020-03-17 15:04:24 +01:00
Mathias Gumz
04c03416e6
writeout: support to generate JSON output
This commit adds support to generate JSON via the writeout feature:

    -w "%{json}"

It leverages the existing infrastructure as much as possible. Thus,
generating the JSON on STDERR is possible by:

    -w "%{stderr}%{json}"

This implements a variant of
https://github.com/curl/curl/wiki/JSON#--write-out-json.

Closes #4870
2020-03-17 15:01:28 +01:00
Daniel Stenberg
37a0541882
cmake: add support for building with wolfSSL
My working build cmdline:

$ cmake -DCMAKE_PREFIX_PATH=$HOME/build-wolfssl -DCMAKE_USE_WOLFSSL=ON .

Assisted-by: Brad King
Closes #5095
2020-03-16 22:56:50 +01:00
Daniel Stenberg
2eba5e4c7b
vtls: free ssl_config leftovers on out-of-memory
Torture testing 2034 and 2037 found this.

Reported-by: Marc Hörsken
Fixes #5108
Closes #5109
2020-03-16 08:10:30 +01:00
Daniel Stenberg
92c152c2ef
gskit: update the copyright year range
Follow-up from 083603c63a
2020-03-15 23:43:50 +01:00
Marc Hoersken
083603c63a
gskit: use our internal select wrapper for portability
Follow up to c52b342
Closes #5106
2020-03-15 23:39:40 +01:00
Daniel Stenberg
f38c7290b1
transfer: cap retries of "dead connections" to 5
When libcurl retries a connection due to it being "seemingly dead" or by
REFUSED_STREAM, it will now only do it up five times before giving up,
to avoid never-ending loops.

Reported-by: Dima Tisnek
Bug: https://curl.haxx.se/mail/lib-2020-03/0044.html
Closes #5074
2020-03-15 11:43:47 +01:00
Marc Hoersken
696cfc0f6c
select: add 'timeout_ms' wrap-around precaution to Curl_select 2020-03-15 11:08:27 +01:00
Marc Hoersken
041e778f1e
select: fix 'pending_ms' is assigned a value that is never used
Detected by Codacy
2020-03-15 11:08:27 +01:00
Marc Hoersken
c52b342051
select: move duplicate select preparation code into Curl_select
Reviewed by Daniel Stenberg
Reviewed by Marcel Raad
Closes #5078
2020-03-15 11:08:27 +01:00
Daniel Stenberg
dbd16c3e25
connect: happy eyeballs cleanup
Make sure each separate index in connn->tempaddr[] is used for a fixed
family (and only that family) during the connection process.

If family one takes a long time and family two fails immediately, the
previous logic could misbehave and retry the same family two address
repeatedly.

Reported-by: Paul Vixie
Reported-by: Jay Satiro
Fixes #5083
Fixes #4954
Closes #5089
2020-03-15 11:03:11 +01:00
Jay Satiro
67f3f6cff1 Makefile.m32: Improve windres parameter compatibility
- s/COFF/coff/

Some versions of windres do not recognize uppercase COFF as a valid
way to specify the COFF output format.

Reported-by: Steven Penny

Fixes https://github.com/curl/curl/issues/5099
Closes https://github.com/curl/curl/pull/5101
2020-03-14 19:08:17 -04:00
Jay Satiro
3bfda07004 easy: Fix curl_easy_duphandle for builds missing IPv6 that use c-ares
- Ignore CURLE_NOT_BUILT_IN errors returned by c-ares functions in
  curl_easy_duphandle.

Prior to this change if c-ares was used as the resolver backend and
either it was too old or libcurl was built without IPv6 support then
some of our resolver functions could return CURLE_NOT_BUILT_IN to
curl_easy_duphandle causing it to fail.

Caused by c8f086b which shipped in 7.69.1.

Reported-by: Karl Chen

Fixes https://github.com/curl/curl/issues/5097
Closes https://github.com/curl/curl/pull/5100
2020-03-14 19:07:05 -04:00
Jim Fuller
e96fe70cab
sftp: fix segfault regression introduced by #4747
This fix adds a defensive check for the case where the char *name in
struct libssh2_knownhost is NULL

Fixes #5041
Closes #5062
2020-03-09 15:01:40 +01:00
Daniel Stenberg
f0e8160545
socks4: fix host resolve regression
1. The socks4 state machine was broken in the host resolving phase

2. The code now insists on IPv4-only when using SOCKS4 as the protocol
only supports that.

Regression from #4907 and 4a4b63d, shipped in 7.69.0

Reported-by: amishmm on github
Bug: https://github.com/curl/curl/issues/5053#issuecomment-596191594
Closes #5061
2020-03-08 22:51:47 +01:00
Patrick Monnerat
06a1b82140
cookie: get_top_domain() sets zero length for null domains
This silents a compilation warning with gcc -O3.
2020-03-08 17:30:55 +01:00
Steve Holme
1369b8ad31
sha256: Added WinCrypt implementation
Closed #5030
2020-03-08 11:45:28 +00:00
Steve Holme
92d63a10aa
sha256: Added SecureTransport implementation 2020-03-08 11:45:24 +00:00
Patrick Monnerat
e5b366c0b5
mime: fix the binary encoder to handle large data properly
New test 666 checks this is effective.
As upload buffer size is significant in this kind of tests, shorten it
in similar test 652.

Fixes #4860
Closes #4833
Reported-by: RuurdBeerstra on github
2020-03-07 23:26:15 +01:00
Patrick Monnerat
1e4cb333ef
mime: do not perform more than one read in a row
Input buffer filling may delay the data sending if data reads are slow.
To overcome this problem, file and callback data reads do not accumulate
in buffer anymore. All other data (memory data and mime framing) are
considered as fast and still concatenated in buffer.
As this may highly impact performance in terms of data overhead, an early
end of part data check is added to spare a read call.
When encoding a part's data, an encoder may require more bytes than made
available by a single read. In this case, the above rule does not apply
and reads are performed until the encoder is able to deliver some data.

Tests 643, 644, 645, 650 and 654 have been adapted to the output data
changes, with test data size reduced to avoid the boredom of long lists of
1-byte chunks in verification data.
New test 667 checks mimepost using single-byte read callback with encoder.
New test 668 checks the end of part data early detection.

Fixes #4826
Reported-by: MrdUkk on github
2020-03-07 23:26:00 +01:00
Patrick Monnerat
96972ec1c0
mime: latch last read callback status.
In case a read callback returns a status (pause, abort, eof,
error) instead of a byte count, drain the bytes read so far but
remember this status for further processing.
Takes care of not losing data when pausing, and properly resume a
paused mime structure when requested.
New tests 670-673 check unpausing cases, with easy or multi
interface and mime or form api.

Fixes #4813
Reported-by: MrdUkk on github
2020-03-07 23:26:00 +01:00
Ernst Sjöstrand
c8f086bcc3
ares: store dns parameters for duphandle
With c-ares the dns parameters lives in ares_channel. Store them in the
curl handle and set them again in easy_duphandle.

Regression introduced in #3228 (6765e6d), shipped in curl 7.63.0.

Fixes #4893
Closes #5020
Signed-off-by: Ernst Sjöstrand <ernst.sjostrand@verisure.com>
2020-03-07 13:50:23 +01:00
Daniel Stenberg
e364546fb3
version: make curl_version* thread-safe without using global context
Closes #5010
2020-03-07 12:10:11 +01:00
Marc Hoersken
99c688ba21
perl: align order and completeness of Windows OS checks 2020-03-07 11:02:43 +01:00
Marc Hoersken
2f4c36357b
config-win32: Windows does not have ftruncate 2020-03-07 10:58:42 +01:00
Daniel Stenberg
e040146f22
pause: force a connection (re-)check after unpausing
There might be data available that was already read off the socket, for
example in the TLS layer.

Reported-by: Anders Berg
Fixes #4966
Closes #5049
2020-03-07 10:49:51 +01:00
Daniel Stenberg
4b786abc43
socks5: switch state properly when the resolve is done
Regression from 4a4b63d (and #4907)
Reported-by: vitaha85 on github
Fixes #5053
Closes #5056
2020-03-07 10:47:44 +01:00
Jay Satiro
09aa807240 libssh: Fix matching user-specified MD5 hex key
Prior to this change a match would never be successful because it
was mistakenly coded to compare binary data from libssh to a
user-specified hex string (ie CURLOPT_SSH_HOST_PUBLIC_KEY_MD5).

Reported-by: fds242@users.noreply.github.com

Fixes https://github.com/curl/curl/issues/4971
Closes https://github.com/curl/curl/pull/4974
2020-03-07 03:06:11 -05:00
Daniel Stenberg
e54b1885d1
pause: bail out on bad input
A NULL easy handle or an easy handle without an associated connection
cannot be paused or unpaused.

Closes #5050
2020-03-06 17:31:01 +01:00
Daniel Stenberg
64258bd0aa
pause: return early for calls that don't change pause state
Reviewed-by: Patrick Monnerat
Ref: #4833
Closes #5026
2020-03-06 10:25:40 +01:00
Jay Satiro
2258b7bcc2 multi: skip EINTR check on wakeup socket if it was closed
- Don't check errno on wakeup socket if sread returned 0 since sread
  doesn't set errno in that case.

This is a follow-up to cf7760a from several days ago which fixed
Curl_multi_wait to stop busy looping sread on the non-blocking wakeup
socket if it was closed (ie sread returns 0). Due to a logic error it
was still possible to busy loop in that case if errno == EINTR.

Closes https://github.com/curl/curl/pull/5047
2020-03-06 02:56:21 -05:00
Daniel Stenberg
0b7735c45b
transfer: set correct copyright year range 2020-03-06 08:16:38 +01:00
Daniel Stenberg
6f17df7a6a
urldata: remove the 'stream_was_rewound' connectdata struct member
... as it is never set anywhere.

Follow-up to 2f44e94ef
Closes #5046
2020-03-06 08:15:35 +01:00
Daniel Stenberg
8aa04e9a24
Revert "pause: force-drain the transfer on unpause"
This reverts commit fa0216b294 (from #5000)

Clearly that didn't solve the problem correctly.

Reported-by: Christopher Reid
Reopens #4966
Fixes #5044
2020-03-05 23:45:41 +01:00
Daniel Stenberg
52d302ed64
polarssl: remove more references and mentions
Assisted-by: Jay Satiro
Follow-up to 6357a19ff2
Closes #5036
2020-03-05 07:57:45 +01:00
Daniel Stenberg
b572e0be59
Revert "sha256: Added SecureTransport implementation"
This reverts commit 4feb38deed (from #4956)

That commit broke test 1610 on macos builds without TLS.

Closes #5027
2020-03-03 09:36:40 +01:00
Steve Holme
e6322feb3a
sha256: Tidy up following recent changes
Reviewed-by: Daniel Stenberg
Closes #4956
2020-03-03 00:37:23 +00:00
Steve Holme
f22a5c35e0
sha256: Added WinCrypt implementation 2020-03-03 00:37:23 +00:00
Steve Holme
4feb38deed
sha256: Added SecureTransport implementation 2020-03-03 00:37:22 +00:00
Steve Holme
425ceb0150
sha256: Added mbedtls implementation 2020-03-03 00:37:22 +00:00
Steve Holme
8fbd937248
sha256: Added GNU TLS gcrypt implementation 2020-03-03 00:37:21 +00:00
Steve Holme
365f4ea53d
sha256: Added GNU TLS Nettle implementation 2020-03-03 00:37:17 +00:00
Nick Zitzmann
0b337ecc91
md4: use init/update/final functions in Secure Transport
We can use CC_MD4_Init/Update/Final without having to allocate memory
directly.

Closes #4979
2020-03-02 23:02:35 +01:00
Daniel Stenberg
cf7760ab52
multi_wait: stop loop when sread() returns zero
It's unclear why it would ever return zero here, but this change fixes
Robert's problem and it shouldn't loop forever...

Reported-by: Robert Dunaj
Bug: https://curl.haxx.se/mail/archive-2020-02/0011.html
Closes #5019
2020-03-02 15:45:05 +01:00
Daniel Stenberg
0caae3c4be
http: mark POSTs with no body as "upload done" from the start
As we have logic that checks if we get a >= 400 reponse code back before
the upload is done, which then got confused since it wasn't "done" but
yet there was no data to send!

Reported-by: IvanoG on github
Fixes #4996
Closes #5002
2020-03-02 15:43:04 +01:00
Daniel Stenberg
0b3e3644e0
formdata/mime: copyright year range update
Due to the merge/revert cycle
2020-03-02 08:11:35 +01:00
Daniel Stenberg
8cd4e6d81f
Revert "mime: latch last read callback status."
This reverts commit 87869e38d7.

Fixes #5014
Closes #5015
Reopens #4833
2020-03-02 08:07:49 +01:00
Daniel Stenberg
d7242f4757
Revert "mime: do not perform more than one read in a row"
This reverts commit ed0f357f7d.
2020-03-02 07:42:54 +01:00
Daniel Stenberg
e002f6c0cb
Revert "mime: fix the binary encoder to handle large data properly"
This reverts commit b2caaa0681.
2020-03-02 07:42:48 +01:00
Daniel Stenberg
ff3b1f4860
altsvc: both h3 backends now speak h3-27
... also updated the HTTP3 build description for ngtcp2 accordingly.
2020-03-02 00:07:37 +01:00
Patrick Monnerat
b2caaa0681
mime: fix the binary encoder to handle large data properly
New test 666 checks this is effective.
As upload buffer size is significant in this kind of tests, shorten it
in similar test 652.

Fixes #4860
Reported-by: RuurdBeerstra on github
2020-03-02 00:00:59 +01:00
Patrick Monnerat
ed0f357f7d
mime: do not perform more than one read in a row
Input buffer filling may delay the data sending if data reads are slow.
To overcome this problem, file and callback data reads do not accumulate
in buffer anymore. All other data (memory data and mime framing) are
considered as fast and still concatenated in buffer.
As this may highly impact performance in terms of data overhead, an early
end of part data check is added to spare a read call.
When encoding a part's data, an encoder may require more bytes than made
available by a single read. In this case, the above rule does not apply
and reads are performed until the encoder is able to deliver some data.

Tests 643, 644, 645, 650 and 654 have been adapted to the output data
changes, with test data size reduced to avoid the boredom of long lists of
1-byte chunks in verification data.
New test 664 checks mimepost using single-byte read callback with encoder.
New test 665 checks the end of part data early detection.

Fixes #4826
Reported-by: MrdUkk on github
2020-03-02 00:00:58 +01:00
Patrick Monnerat
87869e38d7
mime: latch last read callback status.
In case a read callback returns a status (pause, abort, eof,
error) instead of a byte count, drain the bytes read so far but
remember this status for further processing.
Takes care of not losing data when pausing, and properly resume a
paused mime structure when requested.
New tests 670-673 check unpausing cases, with easy or multi
interface and mime or form api.

Fixes #4813
Reported-by: MrdUkk on github
Closes #4833
2020-03-02 00:00:50 +01:00
Daniel Stenberg
d6e3273bb0
build: remove all HAVE_OPENSSL_ENGINE_H defines
... as there's nothing in the code that actually uses the define! The
last reference was removed in 38203f158.

Closes #5007
2020-03-01 11:06:28 +01:00
Steve Holme
a2ad278756
polarssl: Additional removal
Follow up to 6357a19f.

Reviewed-by: Daniel Stenberg
Closes #5004
2020-03-01 00:28:46 +00:00
Steve Holme
1d421de9a1
md5: Added implementation for mbedTLS
Reviewed-by: Jay Satiro
Closes #4980
2020-02-29 20:53:04 +00:00
Steve Holme
5aea558dc8
md5: Use pointer notation for array parameters in GnuTLS implementation 2020-02-29 20:53:04 +00:00
Steve Holme
f0ec0e902a
md4: Use non-deprecated functions in mbedTLS >= 2.7.0
Closes #4983
2020-02-29 20:53:03 +00:00
Daniel Stenberg
fa0216b294
pause: force-drain the transfer on unpause
... since the socket might not actually be readable anymore when for
example the data is already buffered in the TLS layer.

Fixes #4966
Reported-by: Anders Berg
Closes #5000
2020-02-29 10:53:09 +01:00
Daniel Stenberg
aeb292301a
smtp: overwriting 'from' leaks memory
Detected by Coverity. CID 1418139.

Also, make sure to return error if the new 'from' allocation fails.

Closes #4997
2020-02-28 16:52:33 +01:00
Daniel Stenberg
81ade13c37
smtp: fix memory leak on exit path
Detected by Coverity. CID 1418139. "leaked_storage: Variable 'from'
going out of scope leaks the storage it points to"

Closes #4990
2020-02-27 17:08:30 +01:00
Steve Holme
9d5893105d
gtls: Fixed compilation when using GnuTLS < 3.5.0
Reverts the functionality from 41fcb4f when compiling with GnuTLS older
than 3.5.0.

Reviewed-by: Daniel Stenberg
Closes #4984
2020-02-27 15:17:57 +00:00
Daniel Stenberg
1d1e9e8ad7
Curl_is_ASCII_name: handle a NULL argument
Make the function tolerate a NULL pointer input to avoid dereferencing
that pointer.

Follow-up to efce3ea5a8
Detected by OSS-Fuzz
Reviewed-By: Steve Holme
Bug: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20907
Fixes #4985
Closes #4986
2020-02-27 13:55:29 +01:00
Daniel Stenberg
15f51474c8
http2: make pausing/unpausing set/clear local stream window
This reduces the HTTP/2 window size to 32 MB since libcurl might have to
buffer up to this amount of data in memory and yet we don't want it set
lower to potentially impact tranfer performance on high speed networks.

Requires nghttp2 commit b3f85e2daa629
(https://github.com/nghttp2/nghttp2/pull/1444) to work properly, to end
up in the next release after 1.40.0.

Fixes #4939
Closes #4940
2020-02-27 10:35:51 +01:00
Anderson Toshiyuki Sasaki
507cf6a13d
libssh: improve known hosts handling
Previously, it was not possible to get a known hosts file entry due to
the lack of an API.  ssh_session_get_known_hosts_entry(), introduced in
libssh-0.9.0, allows libcurl to obtain such information and behave the
same as when compiled with libssh2.

This also tries to avoid the usage of deprecated functions when the
replacements are available.  The behaviour will not change if versions
older than libssh-0.8.0 are used.

Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>

Fixes #4953
Closes #4962
2020-02-27 10:03:07 +01:00
Daniel Stenberg
7730d11578
cookie: remove unnecessary check for 'out != 0'
... as it will always be non-NULL at this point.

Detected by Coverity: CID 1459009
2020-02-26 23:50:03 +01:00
Daniel Stenberg
6375b205a9
http: added 417 response treatment
When doing a request with a body + Expect: 100-continue and the server
responds with a 417, the same request will be retried immediately
without the Expect: header.

Added test 357 to verify.

Also added a control instruction to tell the sws test server to not read
the request body if Expect: is present, which the new test 357 uses.

Reported-by: bramus on github
Fixes #4949
Closes #4964
2020-02-26 22:48:14 +01:00
Steve Holme
8220ec8219
smtp: Tidy up, following recent changes, to maintain the coding style
Closes #4892
2020-02-26 14:54:51 +00:00
Steve Holme
34a1ffb05f
smtp: Support the SMTPUTF8 extension for the EXPN command
Simply notify the server we support the SMTPUTF8 extension if it does.
2020-02-26 14:54:51 +00:00
Steve Holme
efce3ea5a8
smtp: Support the SMTPUTF8 extension in the VRFY command 2020-02-26 14:54:51 +00:00
Steve Holme
483edeb8dd
smtp: Support the SMTPUTF8 extension in the RCPT TO command
Note: The RCPT TO command isn't required to advertise to the server that
it contains UTF-8 characters, instead the server is told that a mail may
contain UTF-8 in any envelope command via the MAIL command.
2020-02-26 14:54:51 +00:00
Steve Holme
aba1bf630f
smtp: Support the SMTPUTF8 extension in the MAIL command
Support the SMTPUTF8 extension when sending mailbox information in the
MAIL command (FROM and AUTH parameters). Non-ASCII domain names will
be ACE encoded, if IDN is supported, whilst non-ASCII characters in
the local address part are passed to the server.

Reported-by: ygthien on github
Fixes #4828
2020-02-26 14:49:40 +00:00
Steve Holme
4754c55cd7
smtp: Detect server support for the UTF-8 extension as defined in RFC-6531 2020-02-26 14:04:37 +00:00
Steve Holme
2aa6c1735a
smtp: Support UTF-8 based host names in the VRFY command 2020-02-26 11:02:38 +00:00
Steve Holme
e7959c280c
smtp: Support UTF-8 based host names in the RCPT TO command 2020-02-26 11:02:38 +00:00
Steve Holme
68fb25fa3f
smtp: Support UTF-8 based host names in the MAIL command
Non-ASCII host names will be ACE encoded if IDN is supported.
2020-02-26 11:02:38 +00:00
Steve Holme
9352a40779
url: Make the IDN conversion functions available to others 2020-02-26 11:01:47 +00:00
Steve Holme
7def168a4f
ntlm: Moved the HMAC MD5 function into the HMAC module as a generic function 2020-02-24 06:56:35 +00:00
Steve Holme
baf0b680f9
md4: Use const for the length input parameter
This keeps the interface the same as md5 and sha256.
2020-02-23 18:47:32 +00:00
Steve Holme
2d432f7e49
ntlm: Removed the dependency on the TLS libaries when using MD5
As we have our own MD5 implementation use the MD5 wrapper to remove the
TLS dependency.

Closes #4967
2020-02-23 07:52:19 +00:00
Steve Holme
37dc4df270
md5/sha256: Updated the functions to allow non-string data to be hashed 2020-02-23 07:50:33 +00:00
Steve Holme
4959be810b
digest: Corrected the name of the local HTTP digest function
Follow up to 2b5b37cb. Local static functions do not require the Curl
prefix.
2020-02-23 07:50:18 +00:00
Steve Holme
81c3712434 tests: Added a unit test for SHA256 digest generation
Follow up to 2b5b37c.

Closes #4968
2020-02-22 22:12:27 +00:00
Steve Holme
84762ff815 md4: Fixed compilation issues when using GNU TLS gcrypt
* Don't include 'struct' in the gcrypt MD4_CTX typedef
* The call to gcry_md_read() should use a dereferenced ctx
* The call to gcry_md_close() should use a dereferenced ctx

Additional minor whitespace issue in the USE_WIN32_CRYPTO code.

Closes #4959
2020-02-22 15:54:43 +00:00
Daniel Stenberg
5808a0d0f5
http2: now require nghttp2 >= 1.12.0
To simplify our code and since earlier versions lack important function
calls libcurl needs to function correctly.

nghttp2 1.12.0 was relased on June 26, 2016.

Closes #4961
2020-02-21 16:54:47 +01:00
Daniel Stenberg
3a34b930aa
gtls: fix the copyright year
Follow-up from 41fcb4f609
2020-02-21 15:43:45 +01:00
jethrogb
41fcb4f609
GnuTLS: Always send client cert
TLS servers may request a certificate from the client. This request
includes a list of 0 or more acceptable issuer DNs. The client may use
this list to determine which certificate to send. GnuTLS's default
behavior is to not send a client certificate if there is no
match. However, OpenSSL's default behavior is to send the configured
certificate. The `GNUTLS_FORCE_CLIENT_CERT` flag mimics OpenSSL
behavior.

Authored-by: jethrogb on github
Fixes #1411
Closes #4958
2020-02-21 15:33:36 +01:00
Daniel Stenberg
0c76795caf
cleanup: comment typos
Spotted by 'codespell'

Closes #4957
2020-02-21 08:38:00 +01:00
Steve Holme
150f45e8d1
win32: USE_WIN32_CRYPTO to enable Win32 based MD4, MD5 and SHA256 functions
Whilst lib\md4.c used this pre-processor, lib\md5.c and
src\tool_metalink.c did not and simply relied on the WIN32
pre-processor directive.

Reviewed-by: Marcel Raad
Closes #4955
2020-02-20 15:27:32 +00:00
Daniel Stenberg
1b6cfb9d24
connect: remove some spurious infof() calls
As they were added primarily for debugging, they provide little use for
users.

Closes #4951
2020-02-19 22:32:45 +01:00
Daniel Stenberg
05b1b35085
nit: Copyright year out of date
Follow-up to 1fc0617dcc
2020-02-19 08:04:35 +01:00
Jay Satiro
1fc0617dcc tool_util: Improve Windows version of tvnow()
- Change tool_util.c tvnow() for Windows to match more closely to
  timeval.c Curl_now().

- Create a win32 init function for the tool, since some initialization
  is required for the tvnow() changes.

Prior to this change the monotonic time function used by curl in Windows
was determined at build-time and not runtime. That was a problem because
when curl was built targeted for compatibility with old versions of
Windows (eg _WIN32_WINNT < 0x0600) it would use GetTickCount which wraps
every 49.7 days that Windows has been running.

This change makes curl behave similar to libcurl's tvnow function, which
determines at runtime whether the OS is Vista+ and if so calls
QueryPerformanceCounter instead. (Note QueryPerformanceCounter is used
because it has higher resolution than the more obvious candidate
GetTickCount64). The changes to tvnow are basically a copy and paste but
the types in some cases are different.

Ref: https://github.com/curl/curl/issues/3309

Closes https://github.com/curl/curl/pull/4847
2020-02-18 15:52:13 -05:00
Daniel Stenberg
3735107d62
SOCKS: fix typo in printf formatting
Follow-up to 4a4b63daa

Reported-by: Peter Piekarski
Bug: 4a4b63daaa (r37351330)
2020-02-18 12:54:44 +01:00
Daniel Stenberg
14916a82e2
altsvc: make saving the cache an atomic operation
... by writing the file to temp name then rename to the final when done.

Assisted-by: Jay Satiro
Fixes #4936
Closes #4942
2020-02-18 07:49:21 +01:00
Daniel Stenberg
330f133224
rename: a new file for Curl_rename()
And make the cookie save function use it.
2020-02-18 07:49:15 +01:00
Daniel Stenberg
b834890a3f
cookies: make saving atomic with a rename
Saves the file as "[filename].[8 random hex digits].tmp" and renames
away the extension when done.

Co-authored-by: Jay Satiro
Reported-by: Mike Frysinger
Fixes #4914
Closes #4926
2020-02-17 22:45:42 +01:00
Daniel Stenberg
4a4b63daaa
socks: make the connect phase non-blocking
Removes two entries from KNOWN_BUGS.

Closes #4907
2020-02-17 00:08:48 +01:00
Daniel Stenberg
d60b1b37a1
multi: if Curl_readwrite sets 'comeback' use expire, not loop
Otherwise, a very fast single transfer ricks starving out other
concurrent transfers.

Closes #4927
2020-02-16 22:52:41 +01:00
Daniel Stenberg
c188391a9f
ftp: convert 'sock_accepted' to a plain boolean
This was an array indexed with sockindex but it was only ever used for
the secondary socket.

Closes #4929
2020-02-16 22:23:17 +01:00
Steve Holme
46af41dafc
tool_home: Fix the copyright year being out of date
Follow up to 9dc350b6.
2020-02-13 00:40:08 +00:00
Jay Satiro
9dc350b60c tool_homedir: Change GetEnv() to use libcurl's curl_getenv()
- Deduplicate GetEnv() code.

- On Windows change ultimate call to use Windows API
  GetEnvironmentVariable() instead of C runtime getenv().

Prior to this change both libcurl and the tool had their own GetEnv
which over time diverged. Now the tool's GetEnv is a wrapper around
curl_getenv (libcurl API function which is itself a wrapper around
libcurl's GetEnv).

Furthermore this change fixes a bug in that Windows API
GetEnvironmentVariable() is called instead of C runtime getenv() to get
the environment variable since some changes aren't always visible to the
latter.

Reported-by: Christoph M. Becker

Fixes https://github.com/curl/curl/issues/4774
Closes https://github.com/curl/curl/pull/4863
2020-02-12 18:37:31 -05:00
Daniel Stenberg
39d5621cbd
strerror.h: Copyright year out of date
Follow-up to 1c4fa67e8a
2020-02-12 23:07:21 +01:00
Jay Satiro
1c4fa67e8a strerror: Increase STRERROR_LEN 128 -> 256
STRERROR_LEN is the constant used throughout the library to set the size
of the buffer on the stack that the curl strerror functions write to.

Prior to this change some extended length Windows error messages could
be truncated.

Closes https://github.com/curl/curl/pull/4920
2020-02-12 16:58:56 -05:00
Jay Satiro
4d1aa8d43b multi: fix outdated comment
- Do not say that conn->data is "cleared" by multi_done().

If the connection is in use then multi_done assigns another easy handle
still using the connection to conn->data, therefore in that case it is
not cleared.

Closes https://github.com/curl/curl/pull/4901
2020-02-12 16:55:33 -05:00
Jay Satiro
55bb83c92b easy: remove dead code
multi is already assigned to data->multi by curl_multi_add_handle.

Closes https://github.com/curl/curl/pull/4900
2020-02-12 16:54:51 -05:00
Steve Holme
0b8651d48b
smtp: Simplify the MAIL command and avoid a duplication of send strings
This avoids the duplication of strings when the optional AUTH and SIZE
parameters are required. It also assists with the modifications that
are part of #4892.

Closes #4903
2020-02-09 23:08:47 +00:00
Daniel Stenberg
02f8de6516
altsvc: keep a copy of the file name to survive handle reset
The alt-svc cache survives a call to curl_easy_reset fine, but the file
name to use for saving the cache was cleared. Now the alt-svc cache has
a copy of the file name to survive handle resets.

Added test 1908 to verify.

Reported-by: Craig Andrews
Fixes #4898
Closes #4902
2020-02-09 22:41:49 +01:00
Steve Holme
f8f4a94465
url: Include the failure reason when curl_win32_idn_to_ascii() fails
Provide the failure reason in the failf() info just as we do for the
libidn2 version of code.

Closes #4899
2020-02-09 11:38:54 +00:00
Jay Satiro
05d3312f77 asyn-thread: remove dead code 2020-02-09 02:27:29 -05:00
Pierre-Yves Bigourdan
feba3f0549
digest: Do not quote algorithm in HTTP authorisation
RFC 7616 section 3.4 (The Authorization Header Field) states that "For
historical reasons, a sender MUST NOT generate the quoted string syntax
for the following parameters: algorithm, qop, and nc". This removes the
quoting for the algorithm parameter.

Reviewed-by: Steve Holme
Closes #4890
2020-02-07 22:46:21 +01:00
Daniel Stenberg
5ce7102cea
ftp: remove the duplicated user/password struct fields
Closes #4887
2020-02-07 08:18:36 +01:00
Daniel Stenberg
950b53da0d
ftp: remove superfluous checking for crlf in user or pwd
... as this is already done much earlier in the URL parser.

Also add test case 894 that verifies that pop3 with an encodedd CR in
the user name is rejected.

Closes #4887
2020-02-07 08:18:23 +01:00
Steve Holme
c87730daeb
ntlm_wb: Use Curl_socketpair() for greater portability
Reported-by: Daniel Stenberg
Closes #4886
2020-02-06 14:39:50 +00:00
Daniel Stenberg
671c48eb1a
ftp: shrink temp buffers used for PORT
These two stack based buffers only need to be 46 + 66 bytes instead of
256 + 1024.

Closes #4880
2020-02-05 10:09:43 +01:00
Daniel Stenberg
d913c1e99e
altsvc: set h3 version at a common single spot
... and move the #ifdefs out of the functions. Addresses the fact they
were different before this change.

Reported-by: Harry Sintonen
Closes #4876
2020-02-04 22:28:21 +01:00
Harry Sintonen
9e1f720758
altsvc: improved header parser
- Fixed the flag parsing to apply to specific alternative entry only, as
per RFC. The earlier code would also get totally confused by
multiprotocol header, parsing flags from the wrong part of the header.

- Fixed the parser terminating on unknown protocols, instead of skipping
them.

- Fixed a busyloop when protocol-id was present without an equal sign.

Closes #4875
2020-02-04 16:09:45 +01:00
Harry Sintonen
defe4c08f0
ngtcp2: fixed to only use AF_INET6 when ENABLE_IPV6 2020-02-04 16:09:39 +01:00
Steve Holme
b765cb3c81
ntlm: Pass the Curl_easy structure to the private winbind functions
...rather than the full conndata structure.
2020-02-04 11:36:47 +00:00
Steve Holme
f41deddde8
ntlm: Ensure the HTTP header data is not stored in the challenge/response 2020-02-03 21:29:11 +00:00
Marcel Raad
5cd0f5cc7f
openssl: remove redundant assignment
Fixes a scan-build failure on Bionic.

Closes https://github.com/curl/curl/pull/4872
2020-02-03 14:20:51 +01:00
Pedro Monreal
4b6fd29f1a cleanup: fix typos and wording in docs and comments
Closes #4869
Reviewed-by: Emil Engler and Daniel Gustafsson
2020-02-02 18:43:01 +01:00
Steve Holme
6ef123522a ntlm: Move the winbind data into the NTLM data structure
To assist with adding winbind support to the SASL NTLM authentication,
move the winbind specific data out of conndata into ntlmdata.
2020-02-02 12:23:48 +01:00
Daniel Stenberg
28b5b1c20a
quiche: Copyright year out of date
Follow-up to 7fc63d7233
2020-01-30 19:13:18 +01:00
Daniel Stenberg
33a77cb528
altsvc: use h3-25
Closes #4868
2020-01-30 19:09:08 +01:00
Alessandro Ghedini
7fc63d7233
quiche: update to draft-25
Closes #4867
2020-01-30 19:07:57 +01:00
Daniel Stenberg
da9e8ec723
ngtcp2: update to git master and its draft-25 support
Closes #4865
2020-01-29 22:21:19 +01:00
Daniel Stenberg
5af0165562
cookie: check __Secure- and __Host- case sensitively
While most keywords in cookies are case insensitive, these prefixes are
specified explicitly to get checked "with a case-sensitive match".

(From the 6265bis document in progress)

Ref: https://tools.ietf.org/html/draft-ietf-httpbis-rfc6265bis-04
Closes #4864
2020-01-29 16:01:23 +01:00
Daniel Stenberg
db9af34634
multi_done: if multiplexed, make conn->data point to another transfer
... since the current transfer is being killed. Setting to NULL is
wrong, leaving it pointing to 'data' is wrong since that handle might be
about to get freed.

Fixes #4845
Closes #4858
Reported-by: dmitrmax on github
2020-01-28 13:00:41 +01:00
Daniel Stenberg
d3dc0a07e9
urlapi: guess scheme correct even with credentials given
In the "scheme-less" parsing case, we need to strip off credentials
first before we guess scheme based on the host name!

Assisted-by: Jay Satiro
Fixes #4856
Closes #4857
2020-01-28 08:40:16 +01:00
Daniel Stenberg
0b030a5b23
global_init: move the IPv6 works status bool to multi handle
Previously it was stored in a global state which contributed to
curl_global_init's thread unsafety. This boolean is now instead figured
out in curl_multi_init() and stored in the multi handle. Less effective,
but thread safe.

Closes #4851
2020-01-28 08:03:22 +01:00
Jon Rumsey
4228700461
urldata: do string enums without #ifdefs for build scripts
... and check for inconsistencies for OS400 at build time with the new
chkstrings tool.

Closes #4822
2020-01-27 09:26:58 +01:00
Daniel Stenberg
1ad49feb71
global_init: assume the EINTR bit by default
- Removed from global_init since it isn't thread-safe. The symbol will
  still remain to not break compiles, it just won't have any effect going
  forward.

- make the internals NOT loop on EINTR (the opposite from previously).
  It only risks returning from the select/poll/wait functions early, and that
  should be risk-free.

Closes #4840
2020-01-26 18:27:18 +01:00
Peter Piekarski
34e6bc42b0
conn: do not reuse connection if SOCKS proxy credentials differ
Closes #4835
2020-01-24 17:00:58 +01:00
Daniel Stenberg
c0d7b05c41
llist: removed unused Curl_llist_move()
(and the corresponding unit test)

Closes #4842
2020-01-24 10:29:18 +01:00
Daniel Stenberg
7745000338
conncache: removed unused Curl_conncache_bundle_size() 2020-01-24 10:29:06 +01:00
Daniel Stenberg
ea284778f5
strcase: turn Curl_raw_tolower into static
Only ever used from within this file.
2020-01-24 10:29:06 +01:00
Daniel Stenberg
920af1a664
wolfssh: make it init properly via Curl_ssh_init()
Closes #4846
2020-01-24 10:27:31 +01:00
Daniel Stenberg
3ecdfb1958
openssl: make CURLINFO_CERTINFO not truncate x509v3 fields
Avoid "reparsing" the content and instead deliver more exactly what is
provided in the certificate and avoid truncating the data after 512
bytes as done previously. This no longer removes embedded newlines.

Fixes #4837
Reported-by: bnfp on github
Closes #4841
2020-01-23 09:25:52 +01:00
Daniel Stenberg
1ebc53df25
mk-ca-bundle: add support for CKA_NSS_SERVER_DISTRUST_AFTER
For now, no cert in the bundle actually sets a date there...

Co-Authored-by: Jay Satiro
Reported-by: Christian Heimes
Fixes #4834
Closes #4836
2020-01-22 10:41:31 +01:00
Pavel Volgarev
4a4609bf3c
smtp: Allow RCPT TO command to fail for some recipients
Introduces CURLOPT_MAIL_RCPT_ALLLOWFAILS.

Verified with the new tests 3002-3007

Closes #4816
2020-01-21 10:40:19 +01:00
Daniel Stenberg
23a17e039d
copyright: fix year ranges
follow-up from dea17b519d (one of these days I'll learn to check before
I push)
2020-01-21 10:34:44 +01:00
nao
dea17b519d
http: move "oauth_bearer" from connectdata to Curl_easy
Fixes the bug where oauth_bearer gets deallocated when we re-use a
connection.

Closes #4824
2020-01-21 10:32:43 +01:00
Daniel Stenberg
ff807c16d2
http.h: Copyright year out of date, should be 2020
Follow-up to 7ff9222ced
2020-01-20 08:37:40 +01:00
加藤郁之
7ff9222ced
HTTP: increase EXPECT_100_THRESHOLD to 1Mb
Mentioned: https://curl.haxx.se/mail/lib-2020-01/0050.html

Closes #4814
2020-01-20 08:33:44 +01:00
Daniel Stenberg
59c1caf7f6
wolfssl: use the wc-prefixed symbol alternatives
The symbols without wc_ prefix are not always provided.

Ref: https://github.com/wolfSSL/wolfssl/issues/2744

Closes #4827
2020-01-16 16:02:17 +01:00
Daniel Stenberg
6357a19ff2
polarssl: removed
As detailed in DEPRECATE.md, the polarssl support is now removed after
having been disabled for 6 months and nobody has missed it.

The threadlock files used by mbedtls are renamed to an 'mbedtls' prefix
instead of the former 'polarssl' and the common functions that
previously were shared between mbedtls and polarssl and contained the
name 'polarssl' have now all been renamed to instead say 'mbedtls'.

Closes #4825
2020-01-16 11:55:56 +01:00
Marcel Raad
6f69edf962
libssh2: fix variable type
This led to a conversion warning on 64-bit MinGW, which has 32-bit
`long` but 64-bit `size_t`.

Closes https://github.com/curl/curl/pull/4823
2020-01-16 10:03:59 +01:00
Daniel Stenberg
68403cdbc6
wolfssh: set the password correctly for PASSWORD auth 2020-01-15 22:10:39 +01:00
Daniel Stenberg
820775a29a
wolfssh: remove fprintf() calls (and uses of __func__) 2020-01-15 22:10:39 +01:00
Jay Satiro
16da8bcd71 schannel_verify: Fix alt names manual verify for UNICODE builds
Follow-up to 29e40a6 from two days ago, which added that feature for
Windows 7 and earlier. The bug only occurred in same.

Ref: https://github.com/curl/curl/pull/4761
2020-01-13 18:25:12 -05:00
Tobias Hieta
4ccf7622db
CMake: Add support for CMAKE_LTO option.
This enables Link Time Optimization. LTO is a proven technique for
optimizing across compilation units.

Closes #4799
2020-01-13 23:14:49 +01:00
Daniel Stenberg
9607532873
ConnectionExists: respect the max_concurrent_streams limits
A regression made the code use 'multiplexed' as a boolean instead of the
counter it is intended to be. This made curl try to "over-populate"
connections with new streams.

This regression came with 41fcdf71a1, shipped in curl 7.65.0.

Also, respect the CURLMOPT_MAX_CONCURRENT_STREAMS value in the same
check.

Reported-by: Kunal Ekawde
Fixes #4779
Closes #4784
2020-01-13 15:44:58 +01:00
Daniel Stenberg
6773c7ca65
wolfSSH: new SSH backend
Adds support for SFTP (not SCP) using WolfSSH.

Closes #4231
2020-01-12 17:19:12 +01:00
Daniel Stenberg
29babeafec
misc: Copyright year out of date, should be 2020
Follow-up to recent commits

[skip ci]
2020-01-12 16:55:50 +01:00
Santino Keupp
272282a054 libssh2: add support for forcing a hostkey type
- Allow forcing the host's key type found in the known_hosts file.

Currently, curl (with libssh2) does not take keys from your known_hosts
file into account when talking to a server. With this patch the
known_hosts file will be searched for an entry matching the hostname
and, if found, libssh2 will be told to claim this key type from the
server.

Closes https://github.com/curl/curl/pull/4747
2020-01-11 19:17:33 -05:00
Faizur Rahman
29e40a6d8a schannel: Make CURLOPT_CAINFO work better on Windows 7
- Support hostname verification via alternative names (SAN) in the
  peer certificate when CURLOPT_CAINFO is used in Windows 7 and earlier.

CERT_NAME_SEARCH_ALL_NAMES_FLAG doesn't exist before Windows 8. As a
result CertGetNameString doesn't quite work on those versions of
Windows. This change provides an alternative solution for
CertGetNameString by iterating through CERT_ALT_NAME_INFO for earlier
versions of Windows.

Prior to this change many certificates failed the hostname validation
when CURLOPT_CAINFO was used in Windows 7 and earlier. Most certificates
now represent multiple hostnames and rely on the alternative names field
exclusively to represent their hostnames.

Reported-by: Jeroen Ooms

Fixes https://github.com/curl/curl/issues/3711
Closes https://github.com/curl/curl/pull/4761
2020-01-11 18:23:46 -05:00
Emil Engler
cbb5429001 ngtcp2: Add an error code for QUIC connection errors
- Add new error code CURLE_QUIC_CONNECT_ERROR for QUIC connection
  errors.

Prior to this change CURLE_FAILED_INIT was used, but that was not
correct.

Closes https://github.com/curl/curl/pull/4754
2020-01-11 18:19:32 -05:00
Jay Satiro
b700662b1c multi: Change curl_multi_wait/poll to error on negative timeout
- Add new error CURLM_BAD_FUNCTION_ARGUMENT and return that error when
  curl_multi_wait/poll is passed timeout param < 0.

Prior to this change passing a negative value to curl_multi_wait/poll
such as -1 could cause the function to wait forever.

Reported-by: hamstergene@users.noreply.github.com

Fixes https://github.com/curl/curl/issues/4763

Closes https://github.com/curl/curl/pull/4765
2020-01-11 18:16:28 -05:00
Marc Aldorasi
ea6d6205d9 cmake: Enable SMB for Windows builds
- Define USE_WIN32_CRYPTO by default. This enables SMB.

- Show whether SMB is enabled in the "Enabled features" output.

- Fix mingw compiler warning for call to CryptHashData by casting away
  const param. mingw CryptHashData prototype is wrong.

Closes https://github.com/curl/curl/pull/4717
2020-01-11 18:10:47 -05:00
Jay Satiro
c9c551f1f9 vtls: Refactor Curl_multissl_version to make the code clearer
Reported-by: Johannes Schindelin

Ref: https://github.com/curl/curl/pull/3863#pullrequestreview-241395121

Closes https://github.com/curl/curl/pull/4803
2020-01-11 17:50:33 -05:00
Daniel Stenberg
8bd14c871f
fix: Copyright year out of date, should be 2020
Follow-up to 875314ed0b
2020-01-10 22:39:04 +01:00
Marcel Raad
875314ed0b
hostip: move code to resolve IP address literals to Curl_resolv
The code was duplicated in the various resolver backends.

Also, it was called after the call to `Curl_ipvalid`, which matters in
case of `CURLRES_IPV4` when called from `connect.c:bindlocal`. This
caused test 1048 to fail on classic MinGW.

The code ignores `conn->ip_version` as done previously in the
individual resolver backends.

Move the call to the `resolver_start` callback up to appease test 655,
which wants it to be called also for literal addresses.

Closes https://github.com/curl/curl/pull/4798
2020-01-10 17:57:16 +01:00
Daniel Stenberg
9275c2be8c
multi.h: move INITIAL_MAX_CONCURRENT_STREAMS from public header
... to the private multihhandle.h. It is not for public use and it
wasn't prefixed correctly anyway!

Closes #4790
2020-01-06 19:53:38 +01:00
Daniel Stenberg
50e35ccfbb
file: fix copyright year range
Follow-up to 1b71bc532b
2020-01-06 10:12:02 +01:00
Daniel Stenberg
1b71bc532b
file: on Windows, refuse paths that start with \\
... as that might cause an unexpected SMB connection to a given host
name.

Reported-by: Fernando Muñoz
CVE-2019-15601
Bug: https://curl.haxx.se/docs/CVE-2019-15601.html
2020-01-06 10:05:37 +01:00
Marcel Raad
291ed52122
lib: fix compiler warnings with CURL_DISABLE_VERBOSE_STRINGS
Closes https://github.com/curl/curl/pull/4775
2020-01-03 17:02:30 +01:00
Michael Forney
9024b01387 bearssl: Improve I/O handling
Factor out common I/O loop as bearssl_run_until, which reads/writes TLS
records until the desired engine state is reached. This is now used for
the handshake, read, write, and close.

Match OpenSSL SSL_write behavior, and don't return the number of bytes
written until the corresponding records have been completely flushed
across the socket. This involves keeping track of the length of data
buffered into the TLS engine, and assumes that when CURLE_AGAIN is
returned, the write function will be called again with the same data
and length arguments. This is the same requirement of SSL_write.

Handle TLS close notify as EOF when reading by returning 0.

Closes https://github.com/curl/curl/pull/4748
2019-12-31 02:43:47 -05:00
Xiang Xiao
060fb84a5a lib: remove erroneous +x file permission on some c files
Modified by commit eb9a604 accidentally.

Closes https://github.com/curl/curl/pull/4756
2019-12-27 22:55:52 -05:00
Xiang Xiao
4b463992e5 lib: fix warnings found when porting to NuttX
- Undefine DEBUGASSERT in curl_setup_once.h in case it was already
  defined as a system macro.

- Don't compile write32_le in curl_endian unless
  CURL_SIZEOF_CURL_OFF_T > 4, since it's only used by Curl_write64_le.

- Include <arpa/inet.h> in socketpair.c.

Closes https://github.com/curl/curl/pull/4756
2019-12-27 22:52:31 -05:00
Jay Satiro
10121a417d ngtcp2: Support the latest update key callback type
- Remove our cb_update_key in favor of ngtcp2's new
  ngtcp2_crypto_update_key_cb which does the same thing.

Several days ago the ngtcp2_update_key callback function prototype was
changed in ngtcp2/ngtcp2@42ce09c. Though it would be possible to
fix up our cb_update_key for that change they also added
ngtcp2_crypto_update_key_cb which does the same thing so we'll use that
instead.

Ref: https://github.com/ngtcp2/ngtcp2/commit/42ce09c

Closes https://github.com/curl/curl/pull/4735
2019-12-20 00:34:58 -05:00
Daniel Stenberg
8c0807aa16
create_conn: prefer multiplexing to using new connections
... as it would previously prefer new connections rather than
multiplexing in most conditions! The (now removed) code was a leftover
from the Pipelining code that was translated wrongly into a
multiplex-only world.

Reported-by: Kunal Ekawde
Bug: https://curl.haxx.se/mail/lib-2019-12/0060.html
Closes #4732
2019-12-19 09:00:56 +01:00
Gisle Vanem
ac7b1fb10c strerror: Fix compiler warning "empty expression"
- Remove the final semi-colon in the SEC2TXT() macro definition.

Before:  #define SEC2TXT(sec) case sec: txt = #sec; break;

After:   #define SEC2TXT(sec) case sec: txt = #sec; break

Prior to this change SEC2TXT(foo); would generate break;; which caused
the empty expression warning.

Ref: https://github.com/curl/curl/commit/5b22e1a#r36458547
2019-12-18 14:10:23 -05:00
Daniel Stenberg
0caf1423e5
define: remove HAVE_ENGINE_LOAD_BUILTIN_ENGINES, not used anymore
It is covered by USE_OPENSSL_ENGINE now.

Reported-by: Gisle Vanem
Bug: 87b9337c8f (commitcomment-36447951)

Closes #4725
2019-12-17 07:58:46 +01:00
Daniel Stenberg
bdb5b6dd5b
lib: remove ASSIGNWITHINCONDITION exceptions, use our code style
... even for macros

Reviewed-by: Daniel Gustafsson
Reviewed-by: Jay Satiro
Reported-by: Jay Satiro
Fixes #4683
Closes #4722
2019-12-17 07:36:11 +01:00
Daniel Stenberg
31e637d224
Revert "checksrc: fix regexp for ASSIGNWITHINCONDITION"
This reverts commit ba82673dac.

Bug: #4683
2019-12-16 22:46:35 +01:00
Santino Keupp
1d2d3feb21
libssh2: add support for ECDSA and ed25519 knownhost keys
... if a new enough libssh2 version is present.

Source: https://curl.haxx.se/mail/archive-2019-12/0023.html
Co-Authored-by: Daniel Stenberg
Closes #4714
2019-12-15 23:03:39 +01:00
Daniel Stenberg
29ca9fc596
multi: free sockhash on OOM
This would otherwise leak memory in the error path.

Detected by torture test 1540.

Closes #4713
2019-12-13 22:46:46 +01:00
Marcel Raad
4457e08a7a
hostip: suppress compiler warning
With `--disable-doh --disable-threaded-resolver`, the `dns` parameter
is not used.

Closes https://github.com/curl/curl/pull/4692
2019-12-13 20:55:51 +01:00
Daniel Stenberg
68ffe6c17d
ntlm_wb: fix double-free in OOM
Detected by torture testing test 1310

Closes #4710
2019-12-13 13:01:01 +01:00
Daniel Stenberg
5dc56eb95d
altsvc: make the save function ignore NULL filenames
It might happen in OOM situations. Detected bv torture tests.

Closes #4707
2019-12-12 14:10:09 +01:00
Daniel Stenberg
4940bb8568
doh: make it behave when built without proxy support
Reported-by: Marcel Raad
Bug: https://github.com/curl/curl/pull/4692#issuecomment-564115734

Closes #4704
2019-12-12 09:26:08 +01:00
Daniel Stenberg
1d5c427d7f
conncache: CONNECT_ONLY connections assumed always in-use
This makes them never to be considered "the oldest" to be discarded when
reaching the connection cache limit. The reasoning here is that
CONNECT_ONLY is primarily used in combination with using the
connection's socket post connect and since that is used outside of
curl's knowledge we must assume that it is in use until explicitly
closed.

Reported-by: Pavel Pavlov
Reported-by: Pavel Löbl
Fixes #4426
Fixes #4369
Closes #4696
2019-12-11 09:25:56 +01:00
Gisle Vanem
2c0362ee04
vtls: make BearSSL possible to set with CURL_SSL_BACKEND
Ref: 9b879160df (commitcomment-36355622)

Closes #4698
2019-12-10 15:35:23 +01:00
Daniel Stenberg
c7bc689fc3
conn: always set bits.close with connclose()
Closes #4690
2019-12-09 17:17:42 +01:00
Daniel Stenberg
ee263de7a3
conncache: fix multi-thread use of shared connection cache
It could accidentally let the connection get used by more than one
thread, leading to double-free and more.

Reported-by: Christopher Reid
Fixes #4544
Closes #4557
2019-12-09 15:30:09 +01:00
Jay Satiro
689443bf42 lib: fix some loose ends for recently added CURLSSLOPT_NO_PARTIALCHAIN
Add support for CURLSSLOPT_NO_PARTIALCHAIN in CURLOPT_PROXY_SSL_OPTIONS
and OS400 package spec.

Also I added the option to the NameValue list in the tool even though it
isn't exposed as a command-line option (...yet?). (NameValue stringizes
the option name for the curl cmd -> libcurl source generator)

Follow-up to 564d88a which added CURLSSLOPT_NO_PARTIALCHAIN.

Ref: https://github.com/curl/curl/pull/4655
2019-12-05 19:17:31 -05:00
Jay Satiro
0edf75865a setopt: Fix ALPN / NPN user option when built without HTTP2
- Stop treating lack of HTTP2 as an unknown option error result for
  CURLOPT_SSL_ENABLE_ALPN and CURLOPT_SSL_ENABLE_NPN.

Prior to this change it was impossible to disable ALPN / NPN if libcurl
was built without HTTP2. Setting either option would result in
CURLE_UNKNOWN_OPTION and the respective internal option would not be
set. That was incorrect since ALPN and NPN are used independent of
HTTP2.

Reported-by: Shailesh Kapse

Fixes https://github.com/curl/curl/issues/4668
Closes https://github.com/curl/curl/pull/4672
2019-12-05 18:38:40 -05:00
Marcel Raad
bf24e0f928
curl_setup: fix CURLRES_IPV6 condition
Move the definition of `CURLRES_IPV6` to before undefining
`HAVE_GETADDRINFO`. Regression from commit 67a08dca27 which caused
some tests to fail and others to be skipped with c-ares.

Fixes https://github.com/curl/curl/issues/4673
Closes https://github.com/curl/curl/pull/4677
2019-12-05 20:17:47 +01:00
Peter Wu
87b9337c8f CMake: add support for building with the NSS vtls backend
Options are cross-checked with configure.ac and acinclude.m4.
Tested on Arch Linux, untested on other platforms like Windows or macOS.

Closes #4663
Reviewed-by: Kamil Dudka
2019-12-04 21:34:02 +00:00
Daniel Stenberg
854343fc4e
hostip4.c: bump copyright year range 2019-12-03 23:13:25 +01:00
Marcel Raad
67a08dca27
curl_setup: disable IPv6 resolver without getaddrinfo
Also, use `CURLRES_IPV6` only for actual DNS resolution, not for IPv6
address support. This makes it possible to connect to IPv6 literals by
setting `ENABLE_IPV6` even without `getaddrinfo` support. It also fixes
the CMake build when using the synchronous resolver without
`getaddrinfo` support.

Closes https://github.com/curl/curl/pull/4662
2019-12-03 21:37:33 +01:00
Daniel Stenberg
564d88a8bd
openssl: CURLSSLOPT_NO_PARTIALCHAIN can disable partial cert chains
Closes #4655
2019-12-03 16:28:50 +01:00
Daniel Stenberg
94f1f77158
openssl: set X509_V_FLAG_PARTIAL_CHAIN
Have intermediate certificates in the trust store be treated as
trust-anchors, in the same way as self-signed root CA certificates
are. This allows users to verify servers using the intermediate cert
only, instead of needing the whole chain.

Other TLS backends already accept partial chains.

Reported-by: Jeffrey Walton
Bug: https://curl.haxx.se/mail/lib-2019-11/0094.html
2019-12-03 16:28:50 +01:00
Daniel Stenberg
d9118e8d71
copyright: fix the year ranges for two files
Follow-up to 9c1806ae
2019-12-02 08:02:39 +01:00
Jay Satiro
9c1806ae46 build: Disable Visual Studio warning "conditional expression is constant"
- Disable warning C4127 "conditional expression is constant" globally
  in curl_setup.h for when building with Microsoft's compiler.

This mainly affects building with the Visual Studio project files found
in the projects dir.

Prior to this change the cmake and winbuild build systems already
disabled 4127 globally for when building with Microsoft's compiler.
Also, 4127 was already disabled for all build systems in the limited
circumstance of the WHILE_FALSE macro which disabled the warning
specifically for while(0). This commit removes the WHILE_FALSE macro and
all other cruft in favor of disabling globally in curl_setup.

Background:

We have various macros that cause 0 or 1 to be evaluated, which would
cause warning C4127 in Visual Studio. For example this causes it:

    #define Curl_resolver_asynch() 1

Full behavior is not clearly defined and inconsistent across versions.
However it is documented that since VS 2015 Update 3 Microsoft has
addressed this somewhat but not entirely, not warning on while(true) for
example.

Prior to this change some C4127 warnings occurred when I built with
Visual Studio using the generated projects in the projects dir.

Closes https://github.com/curl/curl/pull/4658
2019-12-01 19:01:02 -05:00
Jay Satiro
0436d4438a openssl: retrieve reported LibreSSL version at runtime
- Retrieve LibreSSL runtime version when supported (>= 2.7.1).

For earlier versions we continue to use the compile-time version.

Ref: https://man.openbsd.org/OPENSSL_VERSION_NUMBER.3

Closes https://github.com/curl/curl/pull/2425
2019-12-01 18:56:24 -05:00
Jay Satiro
5b22e1a5a9 strerror: Add Curl_winapi_strerror for Win API specific errors
- In all code call Curl_winapi_strerror instead of Curl_strerror when
  the error code is known to be from Windows GetLastError.

Curl_strerror prefers CRT error codes (errno) over Windows API error
codes (GetLastError) when the two overlap. When we know the error code
is from GetLastError it is more accurate to prefer the Windows API error
messages.

Reported-by: Richard Alcock

Fixes https://github.com/curl/curl/issues/4550
Closes https://github.com/curl/curl/pull/4581
2019-12-01 18:12:36 -05:00
Daniel Stenberg
bc5d22c3de
global_init: undo the "intialized" bump in case of failure
... so that failures in the global init function don't count as a
working init and it can then be called again.

Reported-by: Paul Groke
Fixes #4636
Closes #4653
2019-12-02 00:04:56 +01:00
Daniel Stenberg
0044443a02
parsedate: offer a getdate_capped() alternative
... and use internally. This function will return TIME_T_MAX instead of
failure if the parsed data is found to be larger than what can be
represented. TIME_T_MAX being the largest value curl can represent.

Reviewed-by: Daniel Gustafsson
Reported-by: JanB on github
Fixes #4152
Closes #4651
2019-11-29 11:01:24 +01:00
Daniel Stenberg
cc4cf93e52
sha256: bump the copyright year range
Follow-up from 66e21520f
2019-11-28 22:28:06 +01:00
Daniel Gustafsson
66e21520f3 curl_setup_once: consistently use WHILE_FALSE in macros
The WHILE_FALSE construction is used to avoid compiler warnings in
macro constructions. This fixes a few instances where it was not
used in order to keep the code consistent.

Closes #4649
Reviewed-by: Daniel Stenberg <daniel@haxx.se>
2019-11-28 16:02:13 +01:00
Steve Holme
bb8cf05169
http_ntlm: Remove duplicate NSS initialisation
Given that this is performed by the NTLM code there is no need to
perform the initialisation in the HTTP layer. This also keeps the
initialisation the same as the SASL based protocols and also fixes a
possible compilation issue if both NSS and SSPI were to be used as
multiple SSL backends.

Reviewed-by: Kamil Dudka
Closes #3935
2019-11-28 14:41:55 +01:00
Daniel Gustafsson
ba82673dac checksrc: fix regexp for ASSIGNWITHINCONDITION
The regexp looking for assignments within conditions was too greedy
and matched a too long string in the case of multiple conditionals
on the same line. This is basically only a problem in single line
macros, and the code which exemplified this was essentially:

  do { if((x) != NULL) { x = NULL; } } while(0)

..where the final parenthesis of while(0) matched the regexp, and
the legal assignment in the block triggered the warning. Fix by
making the regexp less greedy by matching for the tell-tale signs
of the if statement ending.

Also remove the one occurrence where the warning was disabled due
to a construction like the above, where the warning didn't apply
when fixed.

Closes #4647
Reviewed-by: Daniel Stenberg <daniel@haxx.se>
2019-11-28 14:18:16 +01:00
Niall
8acfad38ca
doh: use dedicated probe slots
... to easier allow additional DNS transactions.

Closes #4629
2019-11-28 12:49:44 +01:00
David Benjamin
d94aa39410
ngtcp2: fix thread-safety bug in error-handling
ERR_error_string(NULL) should never be called. It places the error in a
global buffer, which is not thread-safe. Use ERR_error_string_n with a
local buffer instead.

Closes #4645
2019-11-28 00:48:19 +01:00
John Schroeder
7cf18b05e0
XFERINFOFUNCTION: support CURL_PROGRESSFUNC_CONTINUE
(also for PROGRESSFUNCTION)

By returning this value from the callback, the internal progress
function call is still called afterward.

Closes #4599
2019-11-26 09:16:01 +01:00
Michael Forney
9b879160df
TLS: add BearSSL vtls implementation
Closes #4597
2019-11-26 08:32:23 +01:00
Gergely Nagy
f3c35e371c
multi: add curl_multi_wakeup()
This commit adds curl_multi_wakeup() which was previously in the TODO
list under the curl_multi_unblock name.

On some platforms and with some configurations this feature might not be
available or can fail, in these cases a new error code
(CURLM_WAKEUP_FAILURE) is returned from curl_multi_wakeup().

Fixes #4418
Closes #4608
2019-11-25 15:45:56 +01:00