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Commit Graph

11639 Commits

Author SHA1 Message Date
Patrick Monnerat
10514d0076
curl_ntlm_core.h: simplify conditionals for USE_NTLM2SESSION
... as !defined(CURL_DISABLE_CRYPTO_AUTH) is a prerequisite for the
whole NTLM.

Closes #6849
2021-04-09 09:40:36 +02:00
Daniel Stenberg
c502b47f1f
lib: remove unused HAVE_INET_NTOA_R* defines
Closes #6867
2021-04-08 16:33:29 +02:00
Michael Forney
eaa1d73229
configure: include <time.h> unconditionally
In 2682e5f5, several instances of AC_HEADER_TIME were removed since
it is a deprecated autoconf macro. However, this was the macro that
defined TIME_WITH_SYS_TIME, which was used to indicate that <time.h>
can be included alongside <sys/time.h>. TIME_WITH_SYS_TIME is still
used in the configure test body and since it is no longer defined,
<time.h> is *not* included on systems that have <sys/time.h>.

In particular, at least on musl libc and glibc, <sys/time.h> does
not implicitly include <time.h> and does not declare clock_gettime,
gmtime_r, or localtime_r. This causes configure to fail to detect
those functions.

The AC_HEADER_TIME macro deprecation text says

> All current systems provide time.h; it need not be checked for.
> Not all systems provide sys/time.h, but those that do, all allow
> you to include it and time.h simultaneously.

So, to fix this issue, simply include <time.h> unconditionally when
testing for time-related functions and in libcurl, and don't bother
checking for it.

Closes #6859
2021-04-07 16:08:01 +02:00
Michael Forney
812fce9dcf
configure: remove use of RETSIGTYPE
This was previously defined by the obsolete AC_TYPE_SIGNAL macro,
which was removed in 2682e5f5. The deprecation text says

> Your code may safely assume C89 semantics that RETSIGTYPE is void.

So, remove it and just use void instead.

Closes #6861
2021-04-07 16:01:05 +02:00
Daniel Stenberg
33ddef3617
ngtcp2+gnutls: clear credentials when freed
... to avoid double-free.

Reported-by: Kenneth Davidson
Fixes #6824
Closes #6856
2021-04-07 00:07:10 +02:00
Emil Engler
c1abc6624d libssh: get rid of PATH_MAX
This removes the last occurrence of PATH_MAX inside our libssh
implementation by calculating the path length from the string length of
the two components.

Closes #6829
2021-04-05 23:21:19 -04:00
Daniel Stenberg
605aa03ac1
http_proxy: only loop on 407 + close if we have credentials
... to fix the retry-loop.

Add test 718 to verify.

Reported-by: Daniel Kurečka
Fixes #6828
Closes #6850
2021-04-05 22:49:07 +02:00
Daniel Stenberg
00b89ec641
h2: allow 100 streams by default
instead of 13, before the server has told how many streams it
accepts. The server can always reject new streams anyway if we go above
what it accepts.

Ref: #6826
Closes #6852
2021-04-05 22:47:34 +02:00
Luke Granger-Brown
6d930d7306
file: support GETing directories again
After 957bc1881e686f9714c4e6a01bf33535091f0e21, we no longer compute an
expected_size for directories. This has the upshot that when we compare
even an empty Range with the available size, we fail.

This brings back the previous behaviour, which was to succeed, but with
empty content. This also removes the "Accept-ranges: bytes" header,
which is nonsensical on directories.

Adds test 3016
Fixes #6845
Closes #6846
2021-04-05 12:22:07 +02:00
Daniel Stenberg
f573998c22
TLS: fix HTTP/2 selection
for GnuTLS, BearSSL, mbedTLS, NSS, SChannnel, Secure Transport and
wolfSSL...

Regression since 88dd1a8a11 (shipped in 7.76.0)
Reported-by: Kenneth Davidson
Reported-by: romamik om github
Fixes #6825
Closes #6827
2021-04-02 22:53:17 +02:00
Jay Satiro
3085ccfae9 hostip: Fix for builds that disable all asynchronous DNS
- Define Curl_resolver_error function only when USE_CURL_ASYNC.

Prior to this change building curl without an asynchronous resolver
backend (c-ares or threaded) and without DoH (DNS-over-HTTPS, which is
also asynchronous but independent of resolver backend) would cause a
build error since Curl_resolver_error is called by and evaluates
variables only available in asynchronous builds.

Reported-by: Benbuck Nason

Fixes https://github.com/curl/curl/issues/6831
Closes https://github.com/curl/curl/pull/6832
2021-04-02 02:38:43 -04:00
Gilles Vollant
06a7f2745e
openssl: Fix CURLOPT_SSLCERT_BLOB without CURLOPT_SSLCERT_KEY
Reported-by: Christian Schmitz
Fixes #6816
Closes #6820
2021-03-31 23:35:59 +02:00
Daniel Stenberg
33ba0ecf48
define: remove CURL_DISABLE_NTLM ifdefs
It was never defined anywhere. Fixed disable-scan (test 1165) to also
scan headers, which found this issue.

Closes #6809
2021-03-29 14:43:54 +02:00
Daniel Stenberg
2c26eeef12
vtls: fix addsessionid for non-proxy builds
Follow-up to b09c8ee157
Fixes #6812
Closes #6811
2021-03-29 14:20:13 +02:00
Li Xinwei
9d4f21b190
cmake: support WinIDN
Closes #6807
2021-03-29 09:50:55 +02:00
Daniel Stenberg
6bb028dbda
transfer: clear 'referer' in declaration
To silence (false positive) compiler warnings about it.

Follow-up to 7214288898

Reviewed-by: Marcel Raad
Closes #6810
2021-03-29 09:45:53 +02:00
Daniel Stenberg
b09c8ee157
vtls: add 'isproxy' argument to Curl_ssl_get/addsessionid()
To make sure we set and extract the correct session.

Reported-by: Mingtao Yang
Bug: https://curl.se/docs/CVE-2021-22890.html

CVE-2021-22890
2021-03-28 23:19:56 +02:00
Viktor Szakats
7214288898
transfer: strip credentials from the auto-referer header field
Added test 2081 to verify.

CVE-2021-22876

Bug: https://curl.se/docs/CVE-2021-22876.html
2021-03-28 23:19:55 +02:00
Daniel Stenberg
184ffc0bdf
curl_sasl: fix compiler error with --disable-crypto-auth
... if libgsasl was found.

Closes #6806
2021-03-28 23:03:15 +02:00
Patrick Monnerat
8cbc16b2f9
ldap: only set the callback ptr for TLS context when TLS is used
Follow-up to a5eee22e59
Fixes #6804
Closes #6805
2021-03-28 16:01:20 +02:00
Daniel Stenberg
85e6975643
copyright: update copyright year ranges to 2021
Reviewed-by: Emil Engler
Closes #6802
2021-03-27 23:00:14 +01:00
Daniel Stenberg
b5726e5549
send_speed: simplify the checks for if a speed limit is set
... as we know the value cannot be set to negative: enforced by
setopt()
2021-03-27 12:38:28 +01:00
Daniel Stenberg
24e469f6d6
http: cap body data amount during send speed limiting
By making sure never to send off more than the allowed number of bytes
per second the speed limit logic is given more room to actually work.

Reported-by: Fabian Keil
Bug: https://curl.se/mail/lib-2021-03/0042.html
Closes #6797
2021-03-27 12:38:15 +01:00
Daniel Stenberg
95cbcec8f9
urldata: merge "struct DynamicStatic" into "struct UrlState"
Both were used for the same purposes and there was no logical separation
between them. Combined, this also saves 16 bytes in less holes in my
test build.

Closes #6798
2021-03-26 23:19:20 +01:00
Jean-Philippe Menil
5930cb1c46
openssl: ensure to check SSL_CTX_set_alpn_protos return values
SSL_CTX_set_alpn_protos() return 0 on success, and non-0 on failure

Signed-off-by: Jean-Philippe Menil <jpmenil@gmail.com>

Closes #6794
2021-03-25 22:57:20 +01:00
Daniel Stenberg
7b6bfd2d78
multi: close the connection when h2=>h1 downgrading
Otherwise libcurl is likely to reuse the connection again in the next
attempt since the connection reuse logic doesn't take downgrades into
account.

Reported-by: Anthony Ramine
Fixes #6788
Closes #6793
2021-03-25 16:18:13 +01:00
Daniel Stenberg
db4e0bd85f
openssl: set the transfer pointer for logging early
Otherwise, the transfer will be NULL in the trace function when the
early handshake details arrive and then curl won't show them.

Regresssion in 7.75.0

Reported-by: David Hu
Fixes #6783
Closes #6792
2021-03-25 16:16:55 +01:00
Daniel Stenberg
a5eee22e59
openldap: disconnect better
Instead of clearing the callback argument in disconnect, set it to the
(new) transfer to make sure the correct data is passed to the callbacks.

Follow-up to e467ea3bd9
Assisted-by: Patrick Monnerat
Closes #6787
2021-03-24 23:02:33 +01:00
Daniel Stenberg
1803be5746
libssh2: kdb_callback: get the right struct pointer
After the recent conn/data refactor in this source file, this function
was mistakenly still getting the old struct pointer which would lead to
crash on servers with keyboard-interactive auth enabled.

Follow-up to a304051620 (shipped in 7.75.0)

Reported-by: Christian Schmitz
Fixes #6691
Closes #6782
2021-03-23 13:42:22 +01:00
Daniel Stenberg
2258899e97
tftp: remove unused struct fields
Follow-up to d3d90ad9c0

Closes #6781
2021-03-23 13:37:10 +01:00
Daniel Stenberg
e467ea3bd9
openldap: avoid NULL pointer dereferences
Follow-up to a59c33ceff
Reported-by: Patrick Monnerat
Fixes #6676
Closes #6780
2021-03-23 13:34:50 +01:00
Daniel Stenberg
3bbf62b5a4
http: strip default port from URL sent to proxy
To make sure the Host: header and the URL provide the same authority
portion when sent to the proxy, strip the default port number from the
URL if one was provided.

Reported-by: Michael Brown
Fixes #6769
Closes #6778
2021-03-23 13:33:49 +01:00
Daniel Stenberg
d3d90ad9c0
tftp: remove the 3600 second default timeout
... it was never meant to be there.

Reported-by: Tomas Berger
Fixes #6774
Closes #6776
2021-03-22 23:00:23 +01:00
Daniel Stenberg
c915662485
ngtcp2: sync with recent API updates
Closes #6770
2021-03-22 10:45:00 +01:00
Daniel Stenberg
012c19c33a
libssh2:ssh_connect: clear session pointer after free
If libssh2_knownhost_init() returns NULL, like in an OOM situation, the
ssh session was freed but the pointer wasn't cleared which made libcurl
later call libssh2 to cleanup using the stale pointer.

Fixes #6764
Closes #6766
2021-03-21 11:22:08 +01:00
Jacob Hoffman-Andrews
7488ef2960
rustls: Handle close_notify.
If we get a close_notify, treat that as EOF. If we get an EOF from the
TCP stream, treat that as an error (because we should have ended the
connection earlier, when we got a close_notify).

Closes #6763
2021-03-21 00:16:27 +01:00
Jay Satiro
8a4ef73c8f docs: Explain DOH transfers inherit some SSL settings
- Document in DOH that some SSL settings are inherited but DOH hostname
  and peer verification are not and are controlled separately.

- Document that CURLOPT_SSL_CTX_FUNCTION is inherited by DOH handles but
  we're considering changing behavior to no longer inherit it. Request
  feedback.

Closes https://github.com/curl/curl/pull/6688
2021-03-17 18:12:45 -04:00
Daniel Stenberg
6d176bee59
http: make 416 not fail with resume + CURLOPT_FAILONERRROR
When asked to resume a download, libcurl will convert that to HTTP logic
and if then the entire file is already transferred it will result in a
416 response from the HTTP server. With CURLOPT_FAILONERRROR set in that
scenario, it should *not* lead to an error return.

Updated test 1156, added test 1273

Reported-by: Jonathan Watt
Fixes #6740
Closes #6753
2021-03-17 08:26:46 +01:00
Daniel Stenberg
e8e7ef3612
Curl_timeleft: check both timeouts during connect
The duration of a connect and the total transfer are calculated from two
different time-stamps. It can end up with the total timeout triggering
before the connect timeout expires and we should make sure to
acknowledge whichever timeout that is reached first.

This is especially notable when a transfer first sits in PENDING, as
that time is counted in the total time but the connect timeout is based
on the time since the handle changed to the CONNECT state.

The CONNECTTIMEOUT is per connect attempt. The TIMEOUT is for the entire
operation.

Fixes #6744
Closes #6745
Reported-by: Andrei Bica
Assisted-by: Jay Satiro
2021-03-17 00:28:44 +01:00
Jacob Hoffman-Andrews
3780717db0
rustls: allocate a buffer for TLS data.
Previously, rustls was using an on-stack array for TLS data. However,
crustls has an (unusual) requirement that buffers it deals with are
initialized before writing to them. By using calloc, we can ensure the
buffer is initialized once and then reuse it across calls.

Closes #6742
2021-03-16 10:11:04 +01:00
Robert Ronto
068661bb02
http2: don't set KEEP_SEND when there's no more data to be sent
this should fix an issue where curl sometimes doesn't send out a request
with authorization info after a 401 is received over http2

Closes #6747
2021-03-15 23:29:35 +01:00
Marc Hoersken
cc615f48e7
config: fix building SMB with configure using Win32 Crypto
Align conditions for NTLM features between CMake and configure
builds by differentiating between USE_NTLM and USE_CURL_NTLM_CORE,
just like curl_setup.h does internally to detect support of:

- USE_NTLM: required for NTLM crypto authentication feature
- USE_CURL_NTLM_CORE: required for SMB protocol

Implement USE_WIN32_CRYPTO detection by checking for Crypt functions
in wincrypt.h which are not available in the Windows App environment.

Link advapi32 and crypt32 for Crypto API and Schannel SSL backend.
Fix condition of Schannel SSL backend in CMake build accordingly.

Reviewed-by: Marcel Raad

Closes #6277
2021-03-15 17:01:30 +01:00
Marc Hoersken
7152957421
config: fix detection of restricted Windows App environment
Move the detection of the restricted Windows App environment
in curl_setup.h before the definition of USE_WIN32_CRYPTO
via included config-win32.h in case no build system is used.

Reviewed-by: Marcel Raad

Part of #6277
2021-03-15 17:01:18 +01:00
Daniel Gustafsson
419f0f5534 hsts: remove unused defines
MAX_HSTS_SUBLEN and MAX_HSTS_SUBLENSTR were unused from the initial commit,
and mostly likely leftovers from early development.  Remove as they're not
used for anything.

Closes #6741
Reviewed-by: Daniel Stenberg <daniel@haxx.se>
2021-03-14 23:18:27 +01:00
Daniel Stenberg
8ed71fc4f7
ftp: fix memory leak in ftp_done
If after a transfer is complete Curl_GetFTPResponse() returns an error,
curl would not free the ftp->pathalloc block.

Found by torture-testing test 576

Closes #6737
2021-03-12 19:53:05 +01:00
oxalica
d1f40078c1
http2: fail if connection terminated without END_STREAM
Closes #6736
2021-03-12 17:54:39 +01:00
Jacob Hoffman-Andrews
43a56e34e1
rustls: support CURLOPT_SSL_VERIFYPEER
This requires the latest main branch of crustls, which provides
rustls_client_config_builder_dangerous_set_certificate_verifier and
rustls_client_config_builder_set_enable_sni.

This refactors the session setup into its own function, and adds a new
function cr_hostname_is_ip. Because crustls doesn't support verification
of IP addresses, special handling is needed: We disable SNI and set a
placeholder hostname (which never actually gets sent on the wire).

Closes #6719
2021-03-12 13:15:00 +01:00
Daniel Gustafsson
f7aeff58a3 cookies: Fix potential NULL pointer deref with PSL
Curl_cookie_init can be called with data being NULL, and this can in turn
be passed to Curl_cookie_add, meaning that both functions must be careful
to only use data where it's checked for being a NULL pointer.  The libpsl
support code does however dereference data without checking, so if we are
indeed having an unset data pointer we cannot PSL check the cookiedomain.

This is currently not a reachable dereference, as the only caller with a
NULL data isn't passing a file to initialize cookies from, but since the
API has this contract let's ensure we hold it.

Closes #6731
Reviewed-by: Daniel Stenberg <daniel@haxx.se>
2021-03-12 02:34:03 +01:00
Daniel Stenberg
7098f9fe3a
c-hyper: support automatic content-encoding
Closes #6727
2021-03-11 22:45:26 +01:00
Daniel Stenberg
4c0206f90b
http: remove superfluous NULL assign
Closes #6727
2021-03-11 22:45:23 +01:00