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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.
2016-12-13checksrc: stricter no-space-before-paren enforcementDaniel Stenberg
In order to make the code style more uniform everywhere
2016-12-01URL parser: reject non-numerical port numbersDaniel Stenberg
Test 1281 added to verify
2016-11-30CURLOPT_CONNECT_TO: Skip non-matching "connect-to" entries properlyMichael Kaufmann
If a port number in a "connect-to" entry does not match, skip this entry instead of connecting to port 0. If a port number in a "connect-to" entry matches, use this entry and look no further. Reported-by: Jay Satiro Assisted-by: Jay Satiro, Daniel Stenberg Closes #1148
2016-11-28http2: Fix crashes when parent stream gets abortedAnders Bakken
Closes #1125
2016-11-26curl_version_info: add CURL_VERSION_HTTPS_PROXYOkhin Vasilij
Closes #1142
2016-11-25HTTPS Proxy: Implement CURLOPT_PROXY_PINNEDPUBLICKEYThomas Glanzmann
2016-11-25url: proxy: Use 443 as default port for https proxiesThomas Glanzmann
2016-11-24checksrc: white space edits to comply to stricter checksrcDaniel Stenberg
2016-11-24checksrc: code style: use 'char *name' styleDaniel Stenberg
2016-11-24HTTPS-proxy: fixed mbedtls and polishingOkhin Vasilij
2016-11-24proxy: Support HTTPS proxy and SOCKS+HTTP(s)Alex Rousskov
* HTTPS proxies: An HTTPS proxy receives all transactions over an SSL/TLS connection. Once a secure connection with the proxy is established, the user agent uses the proxy as usual, including sending CONNECT requests to instruct the proxy to establish a [usually secure] TCP tunnel with an origin server. HTTPS proxies protect nearly all aspects of user-proxy communications as opposed to HTTP proxies that receive all requests (including CONNECT requests) in vulnerable clear text. With HTTPS proxies, it is possible to have two concurrent _nested_ SSL/TLS sessions: the "outer" one between the user agent and the proxy and the "inner" one between the user agent and the origin server (through the proxy). This change adds supports for such nested sessions as well. A secure connection with a proxy requires its own set of the usual SSL options (their actual descriptions differ and need polishing, see TODO): --proxy-cacert FILE CA certificate to verify peer against --proxy-capath DIR CA directory to verify peer against --proxy-cert CERT[:PASSWD] Client certificate file and password --proxy-cert-type TYPE Certificate file type (DER/PEM/ENG) --proxy-ciphers LIST SSL ciphers to use --proxy-crlfile FILE Get a CRL list in PEM format from the file --proxy-insecure Allow connections to proxies with bad certs --proxy-key KEY Private key file name --proxy-key-type TYPE Private key file type (DER/PEM/ENG) --proxy-pass PASS Pass phrase for the private key --proxy-ssl-allow-beast Allow security flaw to improve interop --proxy-sslv2 Use SSLv2 --proxy-sslv3 Use SSLv3 --proxy-tlsv1 Use TLSv1 --proxy-tlsuser USER TLS username --proxy-tlspassword STRING TLS password --proxy-tlsauthtype STRING TLS authentication type (default SRP) All --proxy-foo options are independent from their --foo counterparts, except --proxy-crlfile which defaults to --crlfile and --proxy-capath which defaults to --capath. Curl now also supports %{proxy_ssl_verify_result} --write-out variable, similar to the existing %{ssl_verify_result} variable. Supported backends: OpenSSL, GnuTLS, and NSS. * A SOCKS proxy + HTTP/HTTPS proxy combination: If both --socks* and --proxy options are given, Curl first connects to the SOCKS proxy and then connects (through SOCKS) to the HTTP or HTTPS proxy. TODO: Update documentation for the new APIs and --proxy-* options. Look for "Added in 7.XXX" marks.
2016-11-22url: Fix conn reuse for local ports and interfacesJay Satiro
- Fix connection reuse for when the proposed new conn 'needle' has a specified local port but does not have a specified device interface. Bug: https://curl.haxx.se/mail/lib-2016-11/0137.html Reported-by: bjt3[at]hotmail.com
2016-11-18lib: fix compiler warnings after de4de4e3c7cMarcel Raad
Visual C++ now complains about implicitly casting time_t (64-bit) to long (32-bit). Fix this by changing some variables from long to time_t, or explicitly casting to long where the public interface would be affected. Closes #1131
2016-11-17Don't mix unix domain sockets with regular onesIsaac Boukris
When reusing a connection, make sure the unix domain socket option matches.
2016-11-11URL-parser: for file://[host]/ URLs, the [host] must be localhostDaniel Stenberg
Previously, the [host] part was just ignored which made libcurl accept strange URLs misleading users. like "file://etc/passwd" which might've looked like it refers to "/etc/passwd" but is just "/passwd" since the "etc" is an ignored host name. Reported-by: Mike Crowe Assisted-by: Kamil Dudka
2016-11-05easy: Initialize info variables on easy init and duphandleJay Satiro
- Call Curl_initinfo on init and duphandle. Prior to this change the statistical and informational variables were simply zeroed by calloc on easy init and duphandle. While zero is the correct default value for almost all info variables, there is one where it isn't (filetime initializes to -1). Bug: https://github.com/curl/curl/issues/1103 Reported-by: Neal Poole
2016-10-31url: remove unconditional idn2.h includeDaniel Stenberg
Mistake brought by 9c91ec778104a
2016-10-31strcasecompare: all case insensitive string compares ignore locale nowDaniel Stenberg
We had some confusions on when each function was used. We should not act differently on different locales anyway.
2016-10-31strcasecompare: is the new name for strequal()Daniel Stenberg
... to make it less likely that we forget that the function actually does case insentive compares. Also replaced several invokes of the function with a plain strcmp when case sensitivity is not an issue (like comparing with "-").
2016-10-31connectionexists: use case sensitive user/password comparisonsDaniel Stenberg
CVE-2016-8616 Bug: https://curl.haxx.se/docs/adv_20161102B.html Reported-by: Cure53
2016-10-31escape: avoid using curl_easy_unescape() internallyDaniel Stenberg
Since the internal Curl_urldecode() function has a better API.
2016-10-31idn: switch to libidn2 use and IDNA2008 supportDaniel Stenberg
CVE-2016-8625 Bug: https://curl.haxx.se/docs/adv_20161102K.html Reported-by: Christian Heimes
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