Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/docs/libcurl/curl_global_sslset.3 @ 17:dd9cdb856310

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Remove PKG-INFO from the because it is regenerated automatically for the sdist
author Franz Glasner <fzglas.hg@dom66.de>
date Thu, 18 Sep 2025 17:40:40 +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 - 2018, 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 .TH curl_global_sslset 3 "15 July 2017" "libcurl 7.56" "libcurl Manual"
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23 .SH NAME
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24 curl_global_sslset - Select SSL backend to use with libcurl
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25 .SH SYNOPSIS
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26 .B #include <curl/curl.h>
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27 .nf
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28
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29 typedef struct {
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30 curl_sslbackend id;
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31 const char *name;
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32 } curl_ssl_backend;
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33
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34 typedef enum {
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35 CURLSSLBACKEND_NONE = 0,
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36 CURLSSLBACKEND_OPENSSL = 1,
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37 CURLSSLBACKEND_GNUTLS = 2,
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38 CURLSSLBACKEND_NSS = 3,
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39 CURLSSLBACKEND_GSKIT = 5,
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40 CURLSSLBACKEND_POLARSSL = 6,
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41 CURLSSLBACKEND_WOLFSSL = 7,
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42 CURLSSLBACKEND_SCHANNEL = 8,
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43 CURLSSLBACKEND_DARWINSSL = 9,
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44 CURLSSLBACKEND_AXTLS = 10, /* deprecated */
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45 CURLSSLBACKEND_MBEDTLS = 11,
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46 CURLSSLBACKEND_MESALINK = 12
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47 } curl_sslbackend;
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48
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49 .B "CURLsslset curl_global_sslset(curl_sslbackend " id,
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50 .B " const char *" name,
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51 .B " curl_ssl_backend ***" avail ");"
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52 .fi
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53 .SH DESCRIPTION
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54 This function configures at runtime which SSL backend to use with
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55 libcurl. This function can only be used to select an SSL backend once, and it
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56 must be called \fBbefore\fP \fIcurl_global_init(3)\fP.
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57
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58 The backend can be identified by the \fIid\fP
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59 (e.g. \fBCURLSSLBACKEND_OPENSSL\fP). The backend can also be specified via the
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60 \fIname\fP parameter for a case insensitive match (passing -1 as \fIid\fP). If
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61 both \fIid\fP and \fIname\fP are specified, the \fIname\fP will be ignored.
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62
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63 If neither \fIid\fP nor \fPname\fP are specified, the function will fail with
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64 CURLSSLSET_UNKNOWN_BACKEND and set the \fIavail\fP pointer to the
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65 NULL-terminated list of available backends. The available backends are those
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66 that this particular build of libcurl supports.
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67
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68 Since libcurl 7.60.0, the \fIavail\fP pointer will always be set to the list
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69 of alternatives if non-NULL.
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70
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71 Upon success, the function returns CURLSSLSET_OK.
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72
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73 If the specified SSL backend is not available, the function returns
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74 CURLSSLSET_UNKNOWN_BACKEND and sets the \fIavail\fP pointer to a
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75 NULL-terminated list of available SSL backends. In this case, you may call the
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76 function again to try to select a different backend.
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78 The SSL backend can be set only once. If it has already been set, a subsequent
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79 attempt to change it will result in a \fBCURLSSLSET_TOO_LATE\fP.
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80
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81 \fBThis function is not thread safe.\fP You must not call it when any other
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82 thread in the program (i.e. a thread sharing the same memory) is running.
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83 This doesn't just mean no other thread that is using libcurl.
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84
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85 .SH AVAILABILITY
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86 This function was added in libcurl 7.56.0. Before this version, there was no
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87 support for choosing SSL backends at runtime.
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88 .SH RETURN VALUE
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89 If this function returns CURLSSLSET_OK, the backend was successfully selected.
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90
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91 If the chosen backend is unknown (or support for the chosen backend has not
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92 been compiled into libcurl), the function returns \fICURLSSLSET_UNKNOWN_BACKEND\fP.
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93
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94 If the backend had been configured previously, or if \fIcurl_global_init(3)\fP
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95 has already been called, the function returns \fICURLSSLSET_TOO_LATE\fP.
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96
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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97 If this libcurl was built completely without SSL support, with no backends at
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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98 all, this function returns \fICURLSSLSET_NO_BACKENDS\fP.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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99 .SH "SEE ALSO"
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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100 .BR curl_global_init "(3), "
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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101 .BR libcurl "(3) "