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2017-06-15http-proxy: only attempt FTP over HTTP proxyDaniel Stenberg
... all other non-HTTP protocol schemes are now defaulting to "tunnel trough" mode if a HTTP proxy is specified. In reality there are no HTTP proxies out there that allow those other schemes. Assisted-by: Ray Satiro, Michael Kaufmann Closes #1505
2017-06-14http-proxy: do the HTTP CONNECT process entirely non-blockingDaniel Stenberg
Mentioned as a problem since 2007 (8f87c15bdac63) and of course it existed even before that. Closes #1547
2017-06-13url: fix buffer overwrite with file protocol (CVE-2017-9502)Daniel Stenberg
Bug: https://github.com/curl/curl/issues/1540 Advisory: https://curl.haxx.se/docs/adv_20170614.html Assisted-by: Ray Satiro Reported-by: Marcel Raad
2017-06-09setopt: check CURLOPT_ADDRESS_SCOPE option rangeDaniel Stenberg
... and return error instead of triggering an assert() when being way out of range.
2017-06-05test1521: test *all* curl_easy_setopt optionsDaniel Stenberg
mk-lib1521.pl generates a test program (lib1521.c) that calls curl_easy_setopt() for every known option with a few typical values to make sure they work (ignoring the return codes). Some small changes were necessary to avoid asserts and NULL accesses when doing this. The perl script needs to be manually rerun when we add new options. Closes #1543
2017-05-23url: fix declaration of 'pipe' shadows a global declarationDaniel Stenberg
follow-up to 4cdb1be8246c
2017-05-13url.c: add a compile-time check that CURL_MAX_WRITE_SIZE is large enoughDan Fandrich
Some code (e.g. Curl_fillreadbuffer) assumes that this buffer is not exceedingly tiny and will break if it is. This same check is already done at run time in the CURLOPT_BUFFERSIZE option.
2017-05-12pipeline: fix mistakenly trying to pipeline POSTsDaniel Stenberg
The function IsPipeliningPossible() would return TRUE if either pipelining OR HTTP/2 were possible on a connection, which would lead to it returning TRUE even for POSTs on HTTP/1 connections. It now returns a bitmask so that the caller can differentiate which kind the connection allows. Fixes #1481 Closes #1483 Reported-by: stootill at github
2017-05-02url: let CURLOPT_BUFFERSIZE realloc to smaller sizes tooDaniel Stenberg
Closes #1449
2017-05-01BUFSIZE: rename to READBUFFER_*, make separate MASTERBUF_SIZEDaniel Stenberg
2017-05-01http-proxy: use a dedicated CONNECT response bufferDaniel Stenberg
To make it suitably independent of the receive buffer and its flexible size.
2017-05-01buffer_size: make sure it always has the correct sizeDaniel Stenberg
Removes the need for CURL_BUFSIZE
2017-05-01CURLOPT_BUFFERSIZE: 1024 bytes is now the minimum sizeDaniel Stenberg
The buffer is needed to receive FTP, HTTP CONNECT responses etc so already at this size things risk breaking and smaller is certainly not wise.
2017-04-29url: fixed a memory leak on OOM while setting CURLOPT_BUFFERSIZEDan Fandrich
2017-04-26lib: remove unused codeMarcel Raad
This fixes the following clang warnings: macro is not used [-Wunused-macros] will never be executed [-Wunreachable-code] Closes https://github.com/curl/curl/pull/1448
2017-04-26url: declare get_protocol_family() staticMartin Kepplinger
get_protocol_family() is not defined static even though there is a static local forward declaration. Let's simply make the definition match it's declaration. Bug: https://curl.haxx.se/mail/lib-2017-04/0127.html
2017-04-25transfer: remove 'uploadbuf' pointer and cleanup readwrite_upload()Daniel Stenberg
The data->req.uploadbuf struct member served no good purpose, instead we use ->state.uploadbuffer directly. It makes it clearer in the code which buffer that's being used. Removed the 'SingleRequest *' argument from the readwrite_upload() proto as it can be derived from the Curl_easy struct. Also made the code in the readwrite_upload() function use the 'k->' shortcut to all references to struct fields in 'data->req', which previously was made with a mix of both.
2017-04-18TLS: Fix switching off SSL session id when client cert is usedJay Satiro
Move the sessionid flag to ssl_primary_config so that ssl and proxy_ssl will each have their own sessionid flag. Regression since HTTPS-Proxy support was added in cb4e2be. Prior to that this issue had been fixed in 247d890, CVE-2016-5419. Bug: https://github.com/curl/curl/issues/1341 Reported-by: lijian996@users.noreply.github.com The new incarnation of this bug is called CVE-2017-7468 and is documented here: https://curl.haxx.se/docs/adv_20170419.html
2017-04-04url: don't free postponed data on connection reuseAntti Hätälä
- Don't free postponed data on a connection that will be reused since doing so can cause data loss when pipelining. Only Windows builds are affected by this. Closes https://github.com/curl/curl/issues/1380
2017-04-04llist: replace Curl_llist_alloc with Curl_llist_initDaniel Stenberg
No longer allocate the curl_llist head struct for lists separately. Removes 17 (15%) tiny allocations in a normal "curl localhost" invoke. closes #1381
2017-03-28http: Fix proxy connection reuse with basic-authIsaac Boukris
When using basic-auth, connections and proxy connections can be re-used with different Authorization headers since it does not authenticate the connection (like NTLM does). For instance, the below command should re-use the proxy connection, but it currently doesn't: curl -v -U alice:a -x http://localhost:8181 http://localhost/ --next -U bob:b -x http://localhost:8181 http://localhost/ This is a regression since refactoring of ConnectionExists() as part of: cb4e2be7c6d42ca0780f8e0a747cecf9ba45f151 Fix the above by removing the username and password compare when re-using proxy connection at proxy_info_matches(). However, this fix brings back another bug would make curl to re-print the old proxy-authorization header of previous proxy basic-auth connection because it wasn't cleared. For instance, in the below command the second request should fail if the proxy requires authentication, but would succeed after the above fix (and before aforementioned commit): curl -v -U alice:a -x http://localhost:8181 http://localhost/ --next -x http://localhost:8181 http://localhost/ Fix this by clearing conn->allocptr.proxyuserpwd after use unconditionally, same as we do for conn->allocptr.userpwd. Also fix test 540 to not expect digest auth header to be resent when connection is reused. Signed-off-by: Isaac Boukris <iboukris@gmail.com> Closes https://github.com/curl/curl/pull/1350
2017-03-26spelling fixesklemens
Closes #1356
2017-03-13Improve code readbilitySylvestre Ledru
... by removing the else branch after a return, break or continue. Closes #1310
2017-03-12url: add option CURLOPT_SUPPRESS_CONNECT_HEADERSDesmond O. Chang
- Add new option CURLOPT_SUPPRESS_CONNECT_HEADERS to allow suppressing proxy CONNECT response headers from the user callback functions CURLOPT_HEADERFUNCTION and CURLOPT_WRITEFUNCTION. - Add new tool option --suppress-connect-headers to expose CURLOPT_SUPPRESS_CONNECT_HEADERS and allow suppressing proxy CONNECT response headers from --dump-header and --include. Assisted-by: Jay Satiro Assisted-by: CarloCannas@users.noreply.github.com Closes https://github.com/curl/curl/pull/783
2017-03-11url: don't compile detect_proxy if HTTP support is disabledDan Fandrich
2017-03-08vtls: add options to specify range of enabled TLS versionsJozef Kralik
This commit introduces the CURL_SSLVERSION_MAX_* constants as well as the --tls-max option of the curl tool. Closes https://github.com/curl/curl/pull/1166
2017-03-06URL: return error on malformed URLs with junk after port numberDaniel Stenberg
... because it causes confusion with users. Example URLs: "http://[127.0.0.1]:11211:80" which a lot of languages' URL parsers will parse and claim uses port number 80, while libcurl would use port number 11211. "http://user@example.com:80@localhost" which by the WHATWG URL spec will be treated to contain user name 'user@example.com' but according to RFC3986 is user name 'user' for the host 'example.com' and then port 80 is followed by "@localhost" Both these formats are now rejected, and verified so in test 1260. Reported-by: Orange Tsai
2017-03-03url: split off proxy init and parsing from create_connJay Satiro
Move the proxy parse/init into helper create_conn_helper_init_proxy to mitigate the chances some non-proxy code will be mistakenly added to it. Ref: https://github.com/curl/curl/issues/1274#issuecomment-281556510 Ref: https://github.com/curl/curl/pull/1293 Closes https://github.com/curl/curl/pull/1298
2017-02-25url: fix unix-socket support for proxy-disabled buildsIsaac Boukris
Prior to this change if curl was built with Unix Socket support (--enable-unix-sockets) and without Proxy support (--disable-proxy) then unix socket options would erroneously be ignored. Regression introduced in: 0b8d682f81ee9acb763dd4c9ad805fe08d1227c0 Bug: https://github.com/curl/curl/issues/1274 Reported-by: mccormickt12@users.noreply.github.com Closes https://github.com/curl/curl/pull/1289
2017-02-25proxy: fixed a memory leak on OOMDan Fandrich
2017-02-23url: Default the CA proxy bundle location to CURL_CA_BUNDLEJay Satiro
If the compile-time CURL_CA_BUNDLE location is defined use it as the default value for the proxy CA bundle location, which is the same as what we already do for the regular CA bundle location. Ref: https://github.com/curl/curl/pull/1257
2017-02-21url: Improve CURLOPT_PROXY_CAPATH error handlingJay Satiro
- Change CURLOPT_PROXY_CAPATH to return CURLE_NOT_BUILT_IN if the option is not supported, which is the same as what we already do for CURLOPT_CAPATH. - Change the curl tool to handle CURLOPT_PROXY_CAPATH error CURLE_NOT_BUILT_IN as a warning instead of as an error, which is the same as what we already do for CURLOPT_CAPATH. - Fix CAPATH docs to show that CURLE_NOT_BUILT_IN is returned when the respective CAPATH option is not supported by the SSL library. Ref: https://github.com/curl/curl/pull/1257
2017-02-21TLS: make SSL_VERIFYSTATUS work againDaniel Stenberg
The CURLOPT_SSL_VERIFYSTATUS option was not properly handled by libcurl and thus even if the status couldn't be verified, the connection would be allowed and the user would not be told about the failed verification. Regression since cb4e2be7c6d42ca CVE-2017-2629 Bug: https://curl.haxx.se/docs/adv_20170222.html Reported-by: Marcus Hoffmann
2017-02-18proxy: fix hostname resolution and IDN conversionMichael Kaufmann
Properly resolve, convert and log the proxy host names. Support the "--connect-to" feature for SOCKS proxies and for passive FTP data transfers. Follow-up to cb4e2be Reported-by: Jay Satiro Fixes https://github.com/curl/curl/issues/1248
2017-02-10URL: only accept ";options" in SMTP/POP3/IMAP URL schemesDaniel Stenberg
Fixes #1252
2017-01-19CURLOPT_BUFFERSIZE: support enlarging receive bufferRichy Kim
Replace use of fixed macro BUFSIZE to define the size of the receive buffer. Reappropriate CURLOPT_BUFFERSIZE to include enlarging receive buffer size. Upon setting, resize buffer if larger than the current default size up to a MAX_BUFSIZE (512KB). This can benefit protocols like SFTP. Closes #1222
2017-01-18CURLOPT_CONNECT_TO: Fix compile warningsMichael Kaufmann
Fix compile warnings that appeared only when curl has been configured with '--disable-verbose'.
2017-01-18parseurl: move back buffer to function scopeDaniel Stenberg
Regression since 1d4202ad, which moved the buffer into a more narrow scope, but the data in that buffer was used outside of that more narrow scope. Reported-by: Dan Fandrich Bug: https://curl.haxx.se/mail/lib-2017-01/0093.html
2017-01-13unix_socket: add support for abstract unix domain socketIsaac Boukris
In addition to unix domain sockets, Linux also supports an abstract namespace which is independent of the filesystem. In order to support it, add new CURLOPT_ABSTRACT_UNIX_SOCKET option which uses the same storage as CURLOPT_UNIX_SOCKET_PATH internally, along with a flag to specify abstract socket. On non-supporting platforms, the abstract address will be interpreted as an empty string and fail gracefully. Also add new --abstract-unix-socket tool parameter. Signed-off-by: Isaac Boukris <iboukris@gmail.com> Reported-by: Chungtsun Li (typeless) Reviewed-by: Daniel Stenberg Reviewed-by: Peter Wu Closes #1197 Fixes #1061
2017-01-13IDN: Use TR46 non-transitionalDaniel Stenberg
Assisted-by: Tim Rühsen
2017-01-13IDN: revert use of the transitional optionDaniel Stenberg
It made the german ß get converted to ss, IDNA2003 style, and we can't have that for the .de TLD - a primary reason for our switch to IDNA2008. Test 165 verifies.
2017-01-13IDN: Fix compile time detection of linidn2 TR46Tim Rühsen
Follow-up to f30cbcac1 Closes #1207
2017-01-13url: --noproxy option overrides NO_PROXY environment variableERAMOTO Masaya
Under condition using http_proxy env var, noproxy list was the combination of --noproxy option and NO_PROXY env var previously. Since this commit, --noproxy option overrides NO_PROXY environment variable even if use http_proxy env var. Closes #1140
2017-01-13url: Refactor detect_proxy()ERAMOTO Masaya
If defined CURL_DISABLE_HTTP, detect_proxy() returned NULL. If not defined CURL_DISABLE_HTTP, detect_proxy() checked noproxy list. Thus refactor to set proxy to NULL instead of calling detect_proxy() if define CURL_DISABLE_HTTP, and refactor to call detect_proxy() if not define CURL_DISABLE_HTTP and the host is not in the noproxy list.
2017-01-13url: Fix NO_PROXY env var to work properly with --proxy option.ERAMOTO Masaya
The combination of --noproxy option and http_proxy env var works well both for proxied hosts and non-proxied hosts. However, when combining NO_PROXY env var with --proxy option, non-proxied hosts are not reachable while proxied host is OK. This patch allows us to access non-proxied hosts even if using NO_PROXY env var with --proxy option.
2017-01-13IDN: Use TR46 'transitional' for toASCII translationsTim Rühsen
References: http://unicode.org/faq/idn.html http://unicode.org/reports/tr46 Closes #1206
2017-01-12url: Fix parsing for when 'file' is the default protocolJay Satiro
Follow-up to 3463408. Prior to 3463408 file:// hostnames were silently stripped. Prior to this commit it did not work when a schemeless url was used with file as the default protocol. Ref: https://curl.haxx.se/mail/lib-2016-11/0081.html Closes https://github.com/curl/curl/pull/1124 Also fix for drive letters: - Support --proto-default file c:/foo/bar.txt - Support file://c:/foo/bar.txt - Fail when a file:// drive letter is detected and not MSDOS/Windows. Bug: https://github.com/curl/curl/issues/1187 Reported-by: Anatol Belski Assisted-by: Anatol Belski
2016-12-16preproxy: renamed what was added as SOCKS_PROXYDaniel Stenberg
CURLOPT_SOCKS_PROXY -> CURLOPT_PRE_PROXY Added the corresponding --preroxy command line option. Sets a SOCKS proxy to connect to _before_ connecting to a HTTP(S) proxy.
2016-12-16CURLOPT_SOCKS_PROXYTYPE: removedDaniel Stenberg
This was added as part of the SOCKS+HTTPS proxy merge but there's no need to support this as we prefer to have the protocol specified as a prefix instead.
2016-12-14checksrc: warn for assignments within if() expressionsDaniel Stenberg
... they're already frowned upon in our source code style guide, this now enforces the rule harder.
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