Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLOPT_CRLFILE.3 @ 40:aa33339d6b8a upstream

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ADD: MuPDF v1.26.10: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.5.
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 11:31:38 +0200
parents b50eed0cc0ef
children
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1 .\" **************************************************************************
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2 .\" * _ _ ____ _
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3 .\" * Project ___| | | | _ \| |
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4 .\" * / __| | | | |_) | |
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5 .\" * | (__| |_| | _ <| |___
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6 .\" * \___|\___/|_| \_\_____|
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7 .\" *
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8 .\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
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9 .\" *
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10 .\" * This software is licensed as described in the file COPYING, which
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11 .\" * you should have received as part of this distribution. The terms
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12 .\" * are also available at https://curl.haxx.se/docs/copyright.html.
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13 .\" *
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14 .\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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15 .\" * copies of the Software, and permit persons to whom the Software is
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16 .\" * furnished to do so, under the terms of the COPYING file.
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17 .\" *
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18 .\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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19 .\" * KIND, either express or implied.
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20 .\" *
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21 .\" **************************************************************************
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22 .\"
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23 .TH CURLOPT_CRLFILE 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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24 .SH NAME
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25 CURLOPT_CRLFILE \- specify a Certificate Revocation List file
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26 .SH SYNOPSIS
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27 #include <curl/curl.h>
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28
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29 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_CRLFILE, char *file);
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30 .SH DESCRIPTION
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31 Pass a char * to a zero terminated string naming a \fIfile\fP with the
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32 concatenation of CRL (in PEM format) to use in the certificate validation that
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33 occurs during the SSL exchange.
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34
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35 When curl is built to use NSS or GnuTLS, there is no way to influence the use
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36 of CRL passed to help in the verification process. When libcurl is built with
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37 OpenSSL support, X509_V_FLAG_CRL_CHECK and X509_V_FLAG_CRL_CHECK_ALL are both
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38 set, requiring CRL check against all the elements of the certificate chain if
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39 a CRL file is passed.
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40
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41 This option makes sense only when used in combination with the
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42 \fICURLOPT_SSL_VERIFYPEER(3)\fP option.
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43
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44 A specific error code (\fICURLE_SSL_CRL_BADFILE\fP) is defined with the
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45 option. It is returned when the SSL exchange fails because the CRL file cannot
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46 be loaded. A failure in certificate verification due to a revocation
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47 information found in the CRL does not trigger this specific error.
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48
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49 The application does not have to keep the string around after setting this
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50 option.
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51 .SH DEFAULT
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52 NULL
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53 .SH PROTOCOLS
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54 All TLS-based protocols
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55 .SH EXAMPLE
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56 .nf
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57 CURL *curl = curl_easy_init();
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58 if(curl) {
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59 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
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60 curl_easy_setopt(curl, CURLOPT_CRLFILE, "/etc/certs/crl.pem");
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61 ret = curl_easy_perform(curl);
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62 curl_easy_cleanup(curl);
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63 }
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64 .fi
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65 .SH AVAILABILITY
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66 Added in 7.19.0
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67 .SH RETURN VALUE
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68 Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or
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69 CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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70 .SH "SEE ALSO"
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71 .BR CURLOPT_SSL_VERIFYPEER "(3), " CURLOPT_SSL_VERIFYHOST "(3), "
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72 .BR CURLOPT_PROXY_CRLFILE "(3), "