mirror of
https://github.com/moparisthebest/curl
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66 lines
3.0 KiB
Groff
66 lines
3.0 KiB
Groff
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.\" **************************************************************************
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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_SSL_VERIFYPEER 3 "17 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_SSL_VERIFYPEER \- verify the peer's SSL certificate
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.SH SYNOPSIS
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSL_VERIFYPEER, long verify);
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.SH DESCRIPTION
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Pass a long as parameter to enable or disable.
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This option determines whether curl verifies the authenticity of the peer's
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certificate. A value of 1 means curl verifies; 0 (zero) means it doesn't.
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When negotiating a TLS or SSL connection, the server sends a certificate
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indicating its identity. Curl verifies whether the certificate is authentic,
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i.e. that you can trust that the server is who the certificate says it is.
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This trust is based on a chain of digital signatures, rooted in certification
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authority (CA) certificates you supply. curl uses a default bundle of CA
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certificates (the path for that is determined at build time) and you can
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specify alternate certificates with the \fICURLOPT_CAINFO(3)\fP option or the
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\fICURLOPT_CAPATH(3)\fP option.
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When \fICURLOPT_SSL_VERIFYPEER(3)\fP is enabled, and the verification fails to
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prove that the certificate is authentic, the connection fails. When the
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option is zero, the peer certificate verification succeeds regardless.
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Authenticating the certificate is not enough to be sure about the server. You
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typically also want to ensure that the server is the server you mean to be
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talking to. Use \fICURLOPT_SSL_VERIFYHOST(3)\fP for that. The check that the
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host name in the certificate is valid for the host name you're connecting to
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is done independently of the \fICURLOPT_SSL_VERIFYPEER(3)\fP option.
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.SH DEFAULT
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By default, curl assumes a value of 1.
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.SH PROTOCOLS
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All TLS based protocols: HTTPS, FTPS, IMAPS, POP3, SMTPS etc.
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.SH EXAMPLE
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TODO
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.SH AVAILABILITY
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If built TLS enabled.
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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.SH "SEE ALSO"
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.BR CURLOPT_SSL_VERIFYHOST "(3), "
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