Mercurial > hgrepos > Python2 > PyMuPDF
comparison mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLOPT_PROXY_SSLVERSION.3 @ 2:b50eed0cc0ef upstream
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
The directory name has changed: no version number in the expanded directory now.
| author | Franz Glasner <fzglas.hg@dom66.de> |
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| date | Mon, 15 Sep 2025 11:43:07 +0200 |
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| 1:1d09e1dec1d9 | 2:b50eed0cc0ef |
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| 1 .\" ************************************************************************** | |
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| 8 .\" * Copyright (C) 1998 - 2016, 2018, Daniel Stenberg, <daniel@haxx.se>, et al. | |
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| 23 .TH CURLOPT_PROXY_SSLVERSION 3 "16 Nov 2016" "libcurl 7.52.0" "curl_easy_setopt options" | |
| 24 .SH NAME | |
| 25 CURLOPT_PROXY_SSLVERSION \- set preferred proxy TLS/SSL version | |
| 26 .SH SYNOPSIS | |
| 27 #include <curl/curl.h> | |
| 28 | |
| 29 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXY_SSLVERSION, long version); | |
| 30 .SH DESCRIPTION | |
| 31 Pass a long as parameter to control which version of SSL/TLS to attempt to use | |
| 32 when connecting to an HTTPS proxy. | |
| 33 | |
| 34 Use one of the available defines for this purpose. The available options are: | |
| 35 .RS | |
| 36 .IP CURL_SSLVERSION_DEFAULT | |
| 37 The default action. This will attempt to figure out the remote SSL protocol | |
| 38 version. | |
| 39 .IP CURL_SSLVERSION_TLSv1 | |
| 40 TLSv1.x | |
| 41 .IP CURL_SSLVERSION_TLSv1_0 | |
| 42 TLSv1.0 | |
| 43 .IP CURL_SSLVERSION_TLSv1_1 | |
| 44 TLSv1.1 | |
| 45 .IP CURL_SSLVERSION_TLSv1_2 | |
| 46 TLSv1.2 | |
| 47 .IP CURL_SSLVERSION_TLSv1_3 | |
| 48 TLSv1.3 | |
| 49 .RE | |
| 50 The maximum TLS version can be set by using \fIone\fP of the | |
| 51 CURL_SSLVERSION_MAX_ macros below. It is also possible to OR \fIone\fP of the | |
| 52 CURL_SSLVERSION_ macros with \fIone\fP of the CURL_SSLVERSION_MAX_ macros. | |
| 53 The MAX macros are not supported for WolfSSL. | |
| 54 .RS | |
| 55 .IP CURL_SSLVERSION_MAX_DEFAULT | |
| 56 The flag defines the maximum supported TLS version as TLSv1.2, or the default | |
| 57 value from the SSL library. | |
| 58 (Added in 7.54.0) | |
| 59 .IP CURL_SSLVERSION_MAX_TLSv1_0 | |
| 60 The flag defines maximum supported TLS version as TLSv1.0. | |
| 61 (Added in 7.54.0) | |
| 62 .IP CURL_SSLVERSION_MAX_TLSv1_1 | |
| 63 The flag defines maximum supported TLS version as TLSv1.1. | |
| 64 (Added in 7.54.0) | |
| 65 .IP CURL_SSLVERSION_MAX_TLSv1_2 | |
| 66 The flag defines maximum supported TLS version as TLSv1.2. | |
| 67 (Added in 7.54.0) | |
| 68 .IP CURL_SSLVERSION_MAX_TLSv1_3 | |
| 69 The flag defines maximum supported TLS version as TLSv1.3. | |
| 70 (Added in 7.54.0) | |
| 71 .RE | |
| 72 | |
| 73 In versions of curl prior to 7.54 the CURL_SSLVERSION_TLS options were | |
| 74 documented to allow \fIonly\fP the specified TLS version, but behavior was | |
| 75 inconsistent depending on the TLS library. | |
| 76 | |
| 77 .SH DEFAULT | |
| 78 CURL_SSLVERSION_DEFAULT | |
| 79 .SH PROTOCOLS | |
| 80 All | |
| 81 .SH EXAMPLE | |
| 82 .nf | |
| 83 CURL *curl = curl_easy_init(); | |
| 84 if(curl) { | |
| 85 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); | |
| 86 | |
| 87 /* ask libcurl to use TLS version 1.0 or later */ | |
| 88 curl_easy_setopt(curl, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1); | |
| 89 | |
| 90 /* Perform the request */ | |
| 91 curl_easy_perform(curl); | |
| 92 } | |
| 93 .fi | |
| 94 .SH AVAILABILITY | |
| 95 Added in 7.52.0 | |
| 96 .SH RETURN VALUE | |
| 97 Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. | |
| 98 .SH "SEE ALSO" | |
| 99 .BR CURLOPT_USE_SSL "(3), " CURLOPT_HTTP_VERSION "(3), " | |
| 100 .BR CURLOPT_IPRESOLVE "(3) " CURLOPT_SSLVERSION "(3), " |