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Commit Graph

1420 Commits

Author SHA1 Message Date
Daniel Stenberg
81d135d671
Curl_close: clear data->multi_easy on free to avoid use-after-free
Regression from b46cfbc068 (7.59.0)
CVE-2018-16840
Reported-by: Brian Carpenter (Geeknik Labs)

Bug: https://curl.haxx.se/docs/CVE-2018-16840.html
2018-10-29 08:05:23 +01:00
Daniel Stenberg
6535b9303d
Curl_follow: return better errors on URL problems
... by making the converter function global and accessible.

Closes #3153
2018-10-23 11:43:41 +02:00
Viktor Szakats
ff9d7f4447 spelling fixes [ci skip]
as detected by codespell 1.14.0

Closes https://github.com/curl/curl/pull/3114
Reviewed-by: Marcel Raad <Marcel.Raad@teamviewer.com>
2018-10-08 19:37:40 +00:00
Daniel Stenberg
e50a2002bd
FILE: fix CURLOPT_NOBODY and CURLOPT_HEADER output
Now FILE transfers send headers to the header callback like HTTP and
other protocols. Also made curl_easy_getinfo(...CURLINFO_PROTOCOL...)
work for FILE in the callbacks.

Makes "curl -i file://.." and "curl -I file://.." work like before
again. Applied the bold header logic to them too.

Regression from c1c2762 (7.61.0)

Reported-by: Shaun Jackman
Fixes #3083
Closes #3101
2018-10-08 08:35:40 +02:00
Daniel Gustafsson
e182fc1613 comment: Fix multiple typos in function parameters
Ensure that the parameters in the comment match the actual names in the
prototype.

Closes #3079
Reviewed-by: Daniel Stenberg <daniel@haxx.se>
2018-10-03 10:27:27 +02:00
Daniel Stenberg
46e164069d
url: use the URL API internally as well
... to make it a truly unified URL parser.

Closes #3017
2018-09-22 11:58:10 +02:00
Daniel Gustafsson
6e4b8c5073
url.c: fix comment typo and indentation
Closes #2960
2018-09-08 23:28:04 +02:00
Daniel Stenberg
fb30ac5a2d
URL-API
See header file and man pages for API. All documented API details work
and are tested in the 1560 test case.

Closes #2842
2018-09-08 15:36:11 +02:00
Daniel Stenberg
17ca0ccff4
curl_easy_upkeep: removed 'conn' from the name
... including the associated option.

Fixes #2951
Closes #2952
2018-09-07 13:43:26 +02:00
Max Dymond
7b655fcbad
upkeep: add a connection upkeep API: curl_easy_conn_upkeep()
Add functionality so that protocols can do custom keepalive on their
connections, when an external API function is called.

Add docs for the new options in 7.62.0

Closes #1641
2018-09-07 09:45:29 +02:00
Daniel Stenberg
2825f46d95
CURLOPT_UPLOAD_BUFFERSIZE: set upload buffer size
This is step 3 of #2888.

Fixes #2888
Closes #2896
2018-09-06 10:53:39 +02:00
Daniel Stenberg
25fd1057c9
url: default to CURL_HTTP_VERSION_2TLS if built h2-enabled
Closes #2709
2018-09-05 14:36:19 +02:00
Daniel Stenberg
53dab550b4
Curl_getoff_all_pipelines: ignore unused return values
Since scan-build would warn on the dead "Dead store/Dead increment"
2018-09-04 19:22:06 +02:00
Kamil Dudka
52c13d6328 url, vtls: make CURLOPT{,_PROXY}_TLS13_CIPHERS work
This is a follow-up to PR #2607 and PR #2926.

Closes #2936
2018-09-03 18:11:24 +02:00
Daniel Stenberg
e6e9b006f7
upload: allocate upload buffer on-demand
Saves 16KB on the easy handle for operations that don't need that
buffer.

Part 1 of #2888
2018-08-18 15:48:08 +02:00
Rikard Falkeborn
276644ca16
general: fix printf specifiers
Closes #2818
2018-08-01 14:08:00 +02:00
Daniel Stenberg
10061f475e
conn_free: updated comment to clarify
Let's call it disassociate instead of disconnect since the latter term
is used so much for (TCP) connections already.
2018-07-28 23:18:32 +02:00
Even Rouault
a7091ba75d
reuse_conn(): free old_conn->options
This fixes a memory leak when CURLOPT_LOGIN_OPTIONS is used, together with
connection reuse.

I found this with oss-fuzz on GDAL and curl master:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9582
I couldn't reproduce with the oss-fuzz original test case, but looking
at curl source code pointed to this well reproducable leak.

Closes #2790
2018-07-26 16:20:15 +02:00
Daniel Stenberg
81377cace6
vtls: set conn->data when closing TLS
Follow-up to 1b76c38904. The VTLS backends that close down the TLS
layer for a connection still needs a Curl_easy handle for the session_id
cache etc.

Fixes #2764
Closes #2771
2018-07-22 21:17:27 +02:00
Daniel Stenberg
7b9bc96c77
http2: several cleanups
- separate easy handle from connections better
- added asserts on a number of places
- added sanity check of pipelines for debug builds

Closes #2751
2018-07-20 22:58:42 +02:00
Daniel Stenberg
151d3c56dc
Curl_getoff_all_pipelines: improved for multiplexed
On multiplexed connections, transfers can be removed from anywhere not
just at the head as for pipelines.
2018-07-11 23:41:24 +02:00
Daniel Stenberg
1b76c38904
conn: remove the boolean 'inuse' field
... as the usage needs to be counted.
2018-07-11 23:41:24 +02:00
Daniel Stenberg
f762fec323
url: check Curl_conncache_add_conn return code
... it was previously unchecked in two places and thus errors could
remain undetected and cause trouble.

Closes #2681
2018-06-25 16:36:10 +02:00
Daniel Stenberg
146178a9df
ConnectionExists: make sure conn->data is set when "taking" a connection
Follow-up to 2c15693.

Bug #2674
Closes #2675
2018-06-22 17:00:22 +02:00
Daniel Stenberg
2c15693a3c
url: fix dangling conn->data pointer
By masking sure to use the *current* easy handle with extracted
connections from the cache, and make sure to NULLify the ->data pointer
when the connection is put into the cache to make this mistake easier to
detect in the future.

Reported-by: Will Dietz
Fixes #2669
Closes #2672
2018-06-21 09:44:04 +02:00
Lyman Epp
a0f9670ec9
Curl_init_do: handle NULL connection pointer passed in
Closes #2653
2018-06-13 09:21:40 +02:00
Marian Klymov
c45360d463
cppcheck: fix warnings
- Get rid of variable that was generating false positive warning
(unitialized)

- Fix issues in tests

- Reduce scope of several variables all over

etc

Closes #2631
2018-06-11 11:14:48 +02:00
Rikard Falkeborn
8ea5d41fe0
strictness: correct {infof, failf} format specifiers
Closes #2623
2018-05-31 11:34:32 +02:00
Björn Stenberg
946ce5b61f
option: disallow username in URL
Adds CURLOPT_DISALLOW_USERNAME_IN_URL and --disallow-username-in-url. Makes
libcurl reject URLs with a username in them.

Closes #2340
2018-05-31 11:27:16 +02:00
Daniel Stenberg
3e0dee065f
multi: provide a socket to wait for in Curl_protocol_getsock
... even when there's no protocol specific handler setup.

Bug: https://curl.haxx.se/mail/lib-2018-05/0062.html
Reported-by: Sean Miller
Closes #2600
2018-05-24 20:49:32 +02:00
Rikard Falkeborn
eb49683e55
lib: Fix format specifiers 2018-05-14 09:42:27 +02:00
Daniel Stenberg
e66cca046c
vtls: use unified "supports" bitfield member in backends
... instead of previous separate struct fields, to make it easier to
extend and change individual backends without having to modify them all.

closes #2547
2018-05-04 22:31:19 +02:00
Daniel Stenberg
5c8521851f
detect_proxy: only show proxy use if it had contents 2018-04-19 14:59:06 +02:00
Dan McNulty
8996300211 schannel: add support for CURLOPT_CAINFO
- Move verify_certificate functionality in schannel.c into a new
  file called schannel_verify.c. Additionally, some structure defintions
  from schannel.c have been moved to schannel.h to allow them to be
  used in schannel_verify.c.

- Make verify_certificate functionality for Schannel available on
  all versions of Windows instead of just Windows CE. verify_certificate
  will be invoked on Windows CE or when the user specifies
  CURLOPT_CAINFO and CURLOPT_SSL_VERIFYPEER.

- In verify_certificate, create a custom certificate chain engine that
  exclusively trusts the certificate store backed by the CURLOPT_CAINFO
  file.

- doc updates of --cacert/CAINFO support for schannel

- Use CERT_NAME_SEARCH_ALL_NAMES_FLAG when invoking CertGetNameString
  when available. This implements a TODO in schannel.c to improve
  handling of multiple SANs in a certificate. In particular, all SANs
  will now be searched instead of just the first name.

- Update tool_operate.c to not search for the curl-ca-bundle.crt file
  when using Schannel to maintain backward compatibility. Previously,
  any curl-ca-bundle.crt file found in that search would have been
  ignored by Schannel. But, with CAINFO support, the file found by
  that search would have been used as the certificate store and
  could cause issues for any users that have curl-ca-bundle.crt in
  the search path.

- Update url.c to not set the build time CURL_CA_BUNDLE if the selected
  SSL backend is Schannel. We allow setting CA location for schannel
  only when explicitly specified by the user via CURLOPT_CAINFO /
  --cacert.

- Add new test cases 3000 and 3001. These test cases check that the first
  and last SAN, respectively, matches the connection hostname. New test
  certificates have been added for these cases. For 3000, the certificate
  prefix is Server-localhost-firstSAN and for 3001, the certificate
  prefix is Server-localhost-secondSAN.

- Remove TODO 15.2 (Add support for custom server certificate
  validation), this commit addresses it.

Closes https://github.com/curl/curl/pull/1325
2018-04-18 03:59:47 -04:00
Daniel Stenberg
85eea2fb38
proxy: show getenv proxy use in verbose output
... to aid debugging etc as it sometimes isn't immediately obvious why
curl uses or doesn't use a proxy.

Inspired by #2477

Closes #2480
2018-04-11 10:56:03 +02:00
Jon DeVree
695e96b3d5
file: restore old behavior for file:////foo/bar URLs
curl 7.57.0 and up interpret this according to Appendix E.3.2 of RFC
8089 but then returns an error saying this is unimplemented. This is
actually a regression in behavior on both Windows and Unix.

Before curl 7.57.0 this URL was treated as a path of "//foo/bar" and
then passed to the relevant OS API. This means that the behavior of this
case is actually OS dependent.

The Unix path resolution rules say that the OS must handle swallowing
the extra "/" and so this path is the same as "/foo/bar"

The Windows path resolution rules say that this is a UNC path and
automatically handles the SMB access for the program. So curl on Windows
was already doing Appendix E.3.2 without any special code in curl.

Regression

Closes #2438
2018-04-06 14:28:42 +02:00
Daniel Stenberg
b7f90470be
NO_PROXY: fix for IPv6 numericals in the URL
Added test 1265 that verifies.

Reported-by: steelman on github
Fixes #2353
Closes #2355
2018-03-04 19:50:48 +01:00
Viktor Szakats
7e35eb7729 spelling fixes
Detected using the `codespell` tool.

Also contains one URL protocol upgrade.

Closes https://github.com/curl/curl/pull/2334
2018-02-23 23:29:01 +00:00
Anders Bakken
2427d94c6d url: Add option CURLOPT_HAPPY_EYEBALLS_TIMEOUT
- Add new option CURLOPT_HAPPY_EYEBALLS_TIMEOUT to set libcurl's happy
  eyeball timeout value.

- Add new optval macro CURL_HET_DEFAULT to represent the default happy
  eyeballs timeout value (currently 200 ms).

- Add new tool option --happy-eyeballs-timeout-ms to expose
  CURLOPT_HAPPY_EYEBALLS_TIMEOUT. The -ms suffix is used because the
  other -timeout options in the tool expect seconds not milliseconds.

Closes https://github.com/curl/curl/pull/2260
2018-02-20 17:51:43 -05:00
Daniel Stenberg
eb6e3c4f6e
CONNECT_TO: fail attempt to set an IPv6 numerical without IPv6 support
Bug: https://curl.haxx.se/mail/lib-2018-01/0087.html
Reported-by: John Hascall

Closes #2257
2018-01-23 08:01:04 +01:00
Jay Satiro
908a9a6742 build: remove HAVE_LIMITS_H check
.. because limits.h presence isn't optional, it's required by C89.

Ref: http://port70.net/~nsz/c/c89/c89-draft.html#2.2.4.2

Closes https://github.com/curl/curl/pull/2215
2018-01-05 23:34:30 -05:00
Patrick Monnerat
f009bbe1f6 curl_easy_reset: release mime-related data.
Move curl_mime_initpart() and curl_mime_cleanpart() calls to lower-level
functions dealing with UserDefined structure contents.
This avoids memory leakages on curl-generated part mime headers.
New test 2073 checks this using the cli tool --next option: it
triggers a valgrind error if bug is present.

Bug: https://curl.haxx.se/mail/lib-2017-12/0060.html
Reported-by: Martin Galvan
2017-12-20 19:33:50 +01:00
Daniel Stenberg
179ee78e86
curl: remove __EMX__ #ifdefs
These are OS/2-specific things added to the code in the year 2000. They
were always ugly. If there's any user left, they still don't need it
done this way.

Closes #2166
2017-12-08 23:45:16 +01:00
Jan-E
b261c44e8c
URL: tolerate backslash after drive letter for FILE:
... as in "file://c:\some\path\curl.out"

Reviewed-by: Matthew Kerwin
Closes #2154
2017-12-06 00:53:20 +01:00
Daniel Stenberg
ea3a5d07dc
conncache: only allow multiplexing within same multi handle
Connections that are used for HTTP/1.1 Pipelining or HTTP/2 multiplexing
only get additional transfers added to them if the existing connection
is held by the same multi or easy handle. libcurl does not support doing
HTTP/2 streams in different threads using a shared connection.

Closes #2152
2017-12-05 23:36:08 +01:00
Daniel Stenberg
07cb27c98e
conncache: fix several lock issues
If the lock is released before the dealings with the bundle is over, it may
have changed by another thread in the mean time.

Fixes #2132
Fixes #2151
Closes #2139
2017-12-05 23:21:02 +01:00
Nikos Mavrogiannopoulos
a2f3966800
libssh: added SFTP support
The SFTP back-end supports asynchronous reading only, limited
to 32-bit file length. Writing is synchronous with no other
limitations.

This also brings keyboard-interactive authentication.

Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>
2017-12-01 17:38:37 +01:00
Nikos Mavrogiannopoulos
c92d2e14cf
Added support for libssh SSH SCP back-end
libssh is an alternative library to libssh2.
https://www.libssh.org/

That patch set also introduces support for ECDSA
ed25519 keys, as well as gssapi authentication.

Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
2017-12-01 17:35:14 +01:00
Johannes Schindelin
9194a9959b
SSL: Avoid magic allocation of SSL backend specific data
Originally, my idea was to allocate the two structures (or more
precisely, the connectdata structure and the four SSL backend-specific
strucutres required for ssl[0..1] and proxy_ssl[0..1]) in one go, so
that they all could be free()d together.

However, getting the alignment right is tricky. Too tricky.

So let's just bite the bullet and allocate the SSL backend-specific
data separately.

As a consequence, we now have to be very careful to release the memory
allocated for the SSL backend-specific data whenever we release any
connectdata.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

Closes #2119
2017-12-01 10:28:31 +01:00
Jay Satiro
9b5e12a549
url: fix alignment of ssl_backend_data struct
- Align the array of ssl_backend_data on a max 32 byte boundary.

8 is likely to be ok but I went with 32 for posterity should one of
the ssl_backend_data structs change to contain a larger sized variable
in the future.

Prior to this change (since dev 70f1db3, release 7.56) the connectdata
structure was undersized by 4 bytes in 32-bit builds with ssl enabled
because long long * was mistakenly used for alignment instead of
long long, with the intention being an 8 byte boundary. Also long long
may not be an available type.

The undersized connectdata could lead to oob read/write past the end in
what was expected to be the last 4 bytes of the connection's secondary
socket https proxy ssl_backend_data struct (the secondary socket in a
connection is used by ftp, others?).

Closes https://github.com/curl/curl/issues/2093

CVE-2017-8818

Bug: https://curl.haxx.se/docs/adv_2017-af0a.html
2017-11-27 08:19:25 +01:00