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2018-08-18upload: allocate upload buffer on-demandDaniel Stenberg
Saves 16KB on the easy handle for operations that don't need that buffer. Part 1 of #2888
2018-08-01general: fix printf specifiersRikard Falkeborn
Closes #2818
2018-07-28conn_free: updated comment to clarifyDaniel Stenberg
Let's call it disassociate instead of disconnect since the latter term is used so much for (TCP) connections already.
2018-07-26reuse_conn(): free old_conn->optionsEven Rouault
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
2018-07-22vtls: set conn->data when closing TLSDaniel Stenberg
Follow-up to 1b76c38904f0. 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
2018-07-20http2: several cleanupsDaniel Stenberg
- separate easy handle from connections better - added asserts on a number of places - added sanity check of pipelines for debug builds Closes #2751
2018-07-11Curl_getoff_all_pipelines: improved for multiplexedDaniel Stenberg
On multiplexed connections, transfers can be removed from anywhere not just at the head as for pipelines.
2018-07-11conn: remove the boolean 'inuse' fieldDaniel Stenberg
... as the usage needs to be counted.
2018-06-25url: check Curl_conncache_add_conn return codeDaniel Stenberg
... it was previously unchecked in two places and thus errors could remain undetected and cause trouble. Closes #2681
2018-06-22ConnectionExists: make sure conn->data is set when "taking" a connectionDaniel Stenberg
Follow-up to 2c15693. Bug #2674 Closes #2675
2018-06-21url: fix dangling conn->data pointerDaniel Stenberg
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
2018-06-13Curl_init_do: handle NULL connection pointer passed inLyman Epp
Closes #2653
2018-06-11cppcheck: fix warningsMarian Klymov
- 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
2018-05-31strictness: correct {infof, failf} format specifiersRikard Falkeborn
Closes #2623
2018-05-31option: disallow username in URLBjörn Stenberg
Adds CURLOPT_DISALLOW_USERNAME_IN_URL and --disallow-username-in-url. Makes libcurl reject URLs with a username in them. Closes #2340
2018-05-24multi: provide a socket to wait for in Curl_protocol_getsockDaniel Stenberg
... 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
2018-05-14lib: Fix format specifiersRikard Falkeborn
2018-05-04vtls: use unified "supports" bitfield member in backendsDaniel Stenberg
... instead of previous separate struct fields, to make it easier to extend and change individual backends without having to modify them all. closes #2547
2018-04-19detect_proxy: only show proxy use if it had contentsDaniel Stenberg
2018-04-18schannel: add support for CURLOPT_CAINFODan McNulty
- 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
2018-04-11proxy: show getenv proxy use in verbose outputDaniel Stenberg
... 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
2018-04-06file: restore old behavior for file:////foo/bar URLsJon DeVree
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
2018-03-04NO_PROXY: fix for IPv6 numericals in the URLDaniel Stenberg
Added test 1265 that verifies. Reported-by: steelman on github Fixes #2353 Closes #2355
2018-02-23spelling fixesViktor Szakats
Detected using the `codespell` tool. Also contains one URL protocol upgrade. Closes https://github.com/curl/curl/pull/2334
2018-02-20url: Add option CURLOPT_HAPPY_EYEBALLS_TIMEOUTAnders Bakken
- 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
2018-01-23CONNECT_TO: fail attempt to set an IPv6 numerical without IPv6 supportDaniel Stenberg
Bug: https://curl.haxx.se/mail/lib-2018-01/0087.html Reported-by: John Hascall Closes #2257
2018-01-05build: remove HAVE_LIMITS_H checkJay Satiro
.. 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
2017-12-20curl_easy_reset: release mime-related data.Patrick Monnerat
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
2017-12-08curl: remove __EMX__ #ifdefsDaniel Stenberg
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
2017-12-06URL: tolerate backslash after drive letter for FILE:Jan-E
... as in "file://c:\some\path\curl.out" Reviewed-by: Matthew Kerwin Closes #2154
2017-12-05conncache: only allow multiplexing within same multi handleDaniel Stenberg
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
2017-12-05conncache: fix several lock issuesDaniel Stenberg
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
2017-12-01libssh: added SFTP supportNikos Mavrogiannopoulos
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>
2017-12-01Added support for libssh SSH SCP back-endNikos Mavrogiannopoulos
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>
2017-12-01SSL: Avoid magic allocation of SSL backend specific dataJohannes Schindelin
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
2017-11-27url: fix alignment of ssl_backend_data structJay Satiro
- 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
2017-11-24URL: update "file:" URL handlingMatthew Kerwin
* LOTS of comment updates * explicit error for SMB shares (e.g. "file:////share/path/file") * more strict handling of authority (i.e. "//localhost/") * now accepts dodgy old "C:|" drive letters * more precise handling of drive letters in and out of Windows (especially recognising both "file:c:/" and "file:/c:/") Closes #2110
2017-11-22url: reject ASCII control characters and space in host namesDaniel Stenberg
Host names like "127.0.0.1 moo" would otherwise be accepted by some getaddrinfo() implementations. Updated test 1034 and 1035 accordingly. Fixes #2073 Closes #2092
2017-11-21Curl_open: fix OOM return error correctlyDaniel Stenberg
Closes #2098
2017-11-14URL: return error on malformed URLs with junk after IPv6 bracketMichael Kaufmann
Follow-up to aadb7c7. Verified by new test 1263. Closes #2072
2017-11-10setopt: split out curl_easy_setopt() to its own fileDaniel Stenberg
... to make url.c smaller. Closes #1944
2017-11-09share: add support for sharing the connection cacheDaniel Stenberg
2017-11-06url: remove unncessary NULL-checkDaniel Stenberg
Since 'conn' won't be NULL in there and we also access the pointer in there without the check. Coverity CID 1420610
2017-11-05HTTP: support multiple Content-EncodingsPatrick Monnerat
This is implemented as an output streaming stack of unencoders, the last calling the client write procedure. New test 230 checks this feature. Bug: https://github.com/curl/curl/pull/2002 Reported-By: Daniel Bankhead
2017-11-04url: remove arg value check from CURLOPT_SSH_AUTH_TYPESJay Satiro
Since CURLSSH_AUTH_ANY (aka CURLSSH_AUTH_DEFAULT) is ~0 an arg value check on this option is incorrect; we have to accept any value. Prior to this change since f121575 (7.56.1+) CURLOPT_SSH_AUTH_TYPES erroneously rejected CURLSSH_AUTH_ANY with CURLE_BAD_FUNCTION_ARGUMENT. Bug: https://github.com/curl/curl/commit/f121575#commitcomment-25347120
2017-11-03CURLOPT_INFILESIZE: accept -1Daniel Stenberg
Regression since f121575 Reported-by: Petr Voytsik Fixes #2047
2017-11-02url: fix CURLOPT_DNS_CACHE_TIMEOUT arg value check to allow -1Jay Satiro
Prior to this change since f121575 (7.56.1+) CURLOPT_DNS_CACHE_TIMEOUT erroneously rejected -1 with CURLE_BAD_FUNCTION_ARGUMENT.
2017-11-01CURLOPT_MAXREDIRS: allow -1 as a valueDaniel Stenberg
... which is valid according to documentation. Regression since f121575c0b5f. Verified now in test 501. Reported-by: cbartl on github Fixes #2038 Closes #2039
2017-11-01url: fix CURLOPT_POSTFIELDSIZE arg value check to allow -1Jay Satiro
.. also add same arg value check to CURLOPT_POSTFIELDSIZE_LARGE. Prior to this change since f121575 (7.56.1+) CURLOPT_POSTFIELDSIZE erroneously rejected -1 value with CURLE_BAD_FUNCTION_ARGUMENT. Bug: https://curl.haxx.se/mail/lib-2017-11/0000.html Reported-by: Andrew Lambert
2017-10-28Curl_timeleft: change return type to timediff_tDaniel Stenberg
returning 'time_t' is problematic when that type is unsigned and we return values less than zero to signal "already expired", used in several places in the code. Closes #2021
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