Age | Commit message (Collapse) | Author |
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... and avoid use of static variables that aren't thread safe.
Fixes regression from e9ababd4f5a (present in the 7.64.0 release)
Reported-by: Paul Groke
Fixes #3572
Closes #3573
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scan-build warning: Null pointer passed as an argument to a 'nonnull'
parameter
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- Save the original conn->data before it's changed to the specified
data transfer for the connection check and then restore it afterwards.
This is a follow-up to 38d8e1b 2019-02-11.
History:
It was discovered a month ago that before checking whether to extract a
dead connection that that connection should be associated with a "live"
transfer for the check (ie original conn->data ignored and set to the
passed in data). A fix was landed in 54b201b which did that and also
cleared conn->data after the check. The original conn->data was not
restored, so presumably it was thought that a valid conn->data was no
longer needed.
Several days later it was discovered that a valid conn->data was needed
after the check and follow-up fix was landed in bbae24c which partially
reverted the original fix and attempted to limit the scope of when
conn->data was changed to only when pruning dead connections. In that
case conn->data was not cleared and the original conn->data not
restored.
A month later it was discovered that the original fix was somewhat
correct; a "live" transfer is needed for the check in all cases
because original conn->data could be null which could cause a bad deref
at arbitrary points in the check. A fix was landed in 38d8e1b which
expanded the scope to all cases. conn->data was not cleared and the
original conn->data not restored.
A day later it was discovered that not restoring the original conn->data
may lead to busy loops in applications that use the event interface, and
given this observation it's a pretty safe assumption that there is some
code path that still needs the original conn->data. This commit is the
follow-up fix for that, it restores the original conn->data after the
connection check.
Assisted-by: tholin@users.noreply.github.com
Reported-by: tholin@users.noreply.github.com
Fixes https://github.com/curl/curl/issues/3542
Closes #3559
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Used by debug builds with NSS.
Reverted from 05b100aee247bb
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On non-ascii platforms, the chunked hex header was measured for char code
conversion length, even for chunked trailers that do not have an hex header.
In addition, the efective length is already known: use it.
Since the hex length can be zero, only convert if needed.
Reported by valgrind.
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Detected by scan-build (false positive).
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Heimdal includes on FreeBSD spewed out lots of them. Less so now.
Closes #3566
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Mostly a false positive, but this makes the code easier to read anyway.
Detected by scan-build.
Closes #3563
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Follow-up to 84c10dc from earlier today which wrapped a lot of the noisy
debug output in DEBUGF but omitted a few lines.
Ref: https://github.com/curl/curl/commit/84c10dc#r32292900
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... instead of allocating it separately and point to it. It is
fixed-size and always used for each part.
Closes #3561
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Convert numerous infof() calls into debug-build only messages since they
are annoyingly verbose for regular applications. Removed a few.
Bug: https://curl.haxx.se/mail/lib-2019-02/0027.html
Reported-by: Volker Schmid
Closes #3552
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Closes #3562
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Closes #3557
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... since that data won't be used in the request anyway.
Fixes #3548
Reported-by: Renaud Allard
Close #3549
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Reported-by: James Brown
Bug: https://curl.haxx.se/mail/archive-2019-02/0013.html
Closes #3558
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Reported-by: MAntoniak on github
Fixes #3553
Closes #3556
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Fix two occurrences of s/convers/converts/ spotted while reading code.
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Closes #3551
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There is no benefit to holding the data sharelock when freeing the
addrinfo in case it fails, so ensure releaseing it as soon as we can
rather than holding on to it. This also aligns the code with other
consumers of sharelocks.
Closes #3516
Reviewed-by: Daniel Stenberg <daniel@haxx.se>
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... and added braces to two function calls which fixes warnings if they
are replace by empty macros at build-time.
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The http2 code for connection checking needs a transfer to use. Make
sure a working one is set before handler->connection_check() is called.
Reported-by: jnbr on github
Fixes #3541
Closes #3547
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Closes #3544
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urlapi: turn three local-only functions into statics
conncache: make conncache_find_first_connection static
multi: make detach_connnection static
connect: make getaddressinfo static
curl_ntlm_core: make hmac_md5 static
http2: make two functions static
http: make http_setup_conn static
connect: make tcpnodelay static
tests: make UNITTEST a thing to mark functions with, so they can be static for
normal builds and non-static for unit test builds
... and mark Curl_shuffle_addr accordingly.
url: make up_free static
setopt: make vsetopt static
curl_endian: make write32_le static
rtsp: make rtsp_connisdead static
warnless: remove unused functions
memdebug: remove one unused function, made another static
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The check was added back in fa939220df before the URL parser would catch
these problems and therefore these will never trigger now.
Closes #3539
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Both nits pointed out by codacy.com
Closes #3540
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- Fix potential crashes in schannel shutdown.
Ensure any TLS shutdown messages are sent before removing the
association between the connection and the easy handle. Reverts
@bagder's previous partial fix for #3412.
Fixes https://github.com/curl/curl/issues/3412
Fixes https://github.com/curl/curl/issues/3505
Closes https://github.com/curl/curl/pull/3531
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If the incoming len 5, but the buffer does not have a termination
after 5 bytes, the strtol() call may keep reading through the line
buffer until is exceeds its boundary. Fix by ensuring that we are
using a bounded read with a temporary buffer on the stack.
Bug: https://curl.haxx.se/docs/CVE-2019-3823.html
Reported-by: Brian Carpenter (Geeknik Labs)
CVE-2019-3823
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Bug: https://curl.haxx.se/docs/CVE-2019-3822.html
Reported-by: Wenxiang Qian
CVE-2019-3822
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Bug: https://curl.haxx.se/docs/CVE-2018-16890.html
Reported-by: Wenxiang Qian
CVE-2018-16890
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Attempt to add support for Secure Channel binding when negotiate
authentication is used. The problem to solve is that by default IIS
accepts channel binding and curl doesn't utilise them. The result was a
401 response. Scope affects only the Schannel(winssl)-SSPI combination.
Fixes https://github.com/curl/curl/issues/3503
Closes https://github.com/curl/curl/pull/3509
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Stick to "Schannel" everywhere. The configure option --with-winssl is
kept to allow existing builds to work but --with-schannel is added as an
alias.
Closes #3504
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To make sure Curl_timeleft() also thinks the timeout has been reached
when one of the EXPIRE_*TIMEOUTs expires.
Bug: https://curl.haxx.se/mail/lib-2019-01/0073.html
Reported-by: Zhao Yisha
Closes #3501
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mbedTLS doesn't have a sigpipe management. If a write/read occurs when
the remote closes the socket, the signal is raised and kills the
application. Use the curl mecanisms fix this behavior.
Signed-off-by: Jeremie Rapin <j.rapin@overkiz.com>
Closes #3502
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Compiling with msvc /analyze and a recent Windows SDK warns against
using GetTickCount (Suggests to use GetTickCount64 instead.)
Since GetTickCount is only being used when GetTickCount64 isn't
available, I am disabling that warning.
Fixes https://github.com/curl/curl/issues/3437
Closes https://github.com/curl/curl/pull/3440
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The previously used ax_code_coverage.m4 is not license compatible and
must not be used.
Reported-by: William A. Rowe Jr
Fixes #3497
Closes #3499
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CURLOPT_SSH_KNOWNHOSTS and CURLOPT_SSH_KEYFUNCTION are supported for
libssh as well. So accepting these options only when compiling with
libssh2 is wrong here.
Fixes #3493
Closes #3494
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By default, libssh creates a new socket, instead of using the socket
created by curl for SSH connections.
Pass the socket created by curl to libssh using ssh_options_set() with
SSH_OPTIONS_FD directly after ssh_new(). So libssh uses our socket
instead of creating a new one.
This approach is very similar to what is done in the libssh2 code, where
the socket created by curl is passed to libssh2 when
libssh2_session_startup() is called.
Fixes #3491
Closes #3495
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Fixes #3480
Closes #3487
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There is no real gain in performing memcmp() comparisons on single
characters, so change these to array subscript inspections which
saves a call and makes the code clearer.
Closes #3486
Reviewed-by: Daniel Stenberg <daniel@haxx.se>
Reviewed-by: Jay Satiro <raysatiro@yahoo.com>
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Windows extended potection (aka ssl channel binding) is required
to login to ntlm IIS endpoint, otherwise the server returns 401
responses.
Fixes #3280
Closes #3321
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Reported-by: Marcel Raad
Fixes #3412
Closes #3483
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When a ssh session startup fails, it is useful to know why it has
failed. This commit changes the message from:
"Failure establishing ssh session"
to something like this, for example:
"Failure establishing ssh session: -5, Unable to exchange encryption keys"
Closes #3481
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.... to not pass in a const in the second argument as that's not how it
is supposed to be used and might cause compiler warnings.
Reported-by: Pavel Pavlov
Fixes #3477
Closes #3478
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extract_if_dead() dead is called from two functions, and only one of
them should get conn->data updated and now neither call path clears it.
scan-build found a case where conn->data would be NULL dereferenced in
ConnectionExists() otherwise.
Closes #3473
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Found by scan-build. Follow-up to 4c35574bb785ce.
Closes #3471
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Since they're used purely for testing purposes, I think they should
rather be stored there.
Closes #3470
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Closes #3469
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Make sure that this function sets a proper "live" transfer for the
connection before calling the protocol-specific connection check
function, and then clear it again afterward as a non-used connection has
no current transfer.
Reported-by: Jeroen Ooms
Reviewed-by: Marcel Raad
Reviewed-by: Daniel Gustafsson
Fixes #3463
Closes #3464
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