60b07bded3
Files correlati : Commento : Aggiunte le Librerie curl e ZeroMQ git-svn-id: svn://10.65.10.50/branches/R_10_00@23243 c028cbd2-c16b-5b4b-a496-9718f37d4682
117 lines
5.2 KiB
Groff
117 lines
5.2 KiB
Groff
.\" **************************************************************************
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.\" * _ _ ____ _
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.\" * Project ___| | | | _ \| |
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.\" * / __| | | | |_) | |
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.\" * | (__| |_| | _ <| |___
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.\" * \___|\___/|_| \_\_____|
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.\" *
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.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
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.\" *
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.\" * This software is licensed as described in the file COPYING, which
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.\" * you should have received as part of this distribution. The terms
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.\" * are also available at http://curl.haxx.se/docs/copyright.html.
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.\" *
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.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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.\" * copies of the Software, and permit persons to whom the Software is
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.\" * furnished to do so, under the terms of the COPYING file.
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.\" *
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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.\" * KIND, either express or implied.
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.\" *
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.\" **************************************************************************
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.\"
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.TH CURLOPT_HTTPAUTH 3 "2 Aug 2014" "libcurl 7.38.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_HTTPAUTH \- set HTTP server authentication methods to try
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_HTTPAUTH, long bitmask);
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.SH DESCRIPTION
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Pass a long as parameter, which is set to a bitmask, to tell libcurl which
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authentication method(s) you want it to use speaking to the remote server.
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The available bits are listed below. If more than one bit is set, libcurl will
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first query the site to see which authentication methods it supports and then
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pick the best one you allow it to use. For some methods, this will induce an
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extra network round-trip. Set the actual name and password with the
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\fICURLOPT_USERPWD(3)\fP option or with the \fICURLOPT_USERNAME(3)\fP and the
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\fICURLOPT_PASSWORD(3)\fP options.
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For authentication with a proxy, see \fICURLOPT_PROXYAUTH(3)\fP.
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.IP CURLAUTH_BASIC
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HTTP Basic authentication. This is the default choice, and the only method
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that is in wide-spread use and supported virtually everywhere. This sends
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the user name and password over the network in plain text, easily captured by
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others.
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.IP CURLAUTH_DIGEST
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HTTP Digest authentication. Digest authentication is defined in RFC2617 and
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is a more secure way to do authentication over public networks than the
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regular old-fashioned Basic method.
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.IP CURLAUTH_DIGEST_IE
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HTTP Digest authentication with an IE flavor. Digest authentication is
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defined in RFC2617 and is a more secure way to do authentication over public
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networks than the regular old-fashioned Basic method. The IE flavor is simply
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that libcurl will use a special "quirk" that IE is known to have used before
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version 7 and that some servers require the client to use.
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.IP CURLAUTH_NEGOTIATE
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HTTP Negotiate (SPNEGO) authentication. Negotiate authentication is defined
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in RFC 4559 and is the most secure way to perform authentication over HTTP.
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You need to build libcurl with a suitable GSS-API library or SSPI on Windows
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for this to work.
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.IP CURLAUTH_NTLM
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HTTP NTLM authentication. A proprietary protocol invented and used by
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Microsoft. It uses a challenge-response and hash concept similar to Digest, to
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prevent the password from being eavesdropped.
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You need to build libcurl with either OpenSSL, GnuTLS or NSS support for this
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option to work, or build libcurl on Windows with SSPI support.
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.IP CURLAUTH_NTLM_WB
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NTLM delegating to winbind helper. Authentication is performed by a separate
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binary application that is executed when needed. The name of the application
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is specified at compile time but is typically /usr/bin/ntlm_auth
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Note that libcurl will fork when necessary to run the winbind application and
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kill it when complete, calling waitpid() to await its exit when done. On POSIX
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operating systems, killing the process will cause a SIGCHLD signal to be
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raised (regardless of whether \fICURLOPT_NOSIGNAL(3)\fP is set), which must be
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handled intelligently by the application. In particular, the application must
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not unconditionally call wait() in its SIGCHLD signal handler to avoid being
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subject to a race condition. This behavior is subject to change in future
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versions of libcurl.
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.IP CURLAUTH_ANY
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This is a convenience macro that sets all bits and thus makes libcurl pick any
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it finds suitable. libcurl will automatically select the one it finds most
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secure.
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.IP CURLAUTH_ANYSAFE
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This is a convenience macro that sets all bits except Basic and thus makes
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libcurl pick any it finds suitable. libcurl will automatically select the one
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it finds most secure.
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.IP CURLAUTH_ONLY
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This is a meta symbol. OR this value together with a single specific auth
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value to force libcurl to probe for un-restricted auth and if not, only that
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single auth algorithm is acceptable.
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.SH DEFAULT
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CURLAUTH_BASIC
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.SH PROTOCOLS
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HTTP
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.SH EXAMPLE
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TODO
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.SH AVAILABILITY
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Option Added in 7.10.6.
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CURLAUTH_DIGEST_IE was added added in 7.19.3
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CURLAUTH_ONLY was added in 7.21.3
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CURLAUTH_NTLM_WB was added in 7.22.0
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or
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CURLE_NOT_BUILT_IN if the bitmask specified no supported authentication
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methods.
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.SH "SEE ALSO"
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.BR CURLOPT_PROXYAUTH "(3), " CURLOPT_USERPWD "(3), "
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