Mercurial > hgrepos > Python2 > PyMuPDF
comparison mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLOPT_SSL_OPTIONS.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 .\" ************************************************************************** | |
| 2 .\" * _ _ ____ _ | |
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| 8 .\" * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al. | |
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| 23 .TH CURLOPT_SSL_OPTIONS 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options" | |
| 24 .SH NAME | |
| 25 CURLOPT_SSL_OPTIONS \- set SSL behavior options | |
| 26 .SH SYNOPSIS | |
| 27 #include <curl/curl.h> | |
| 28 | |
| 29 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSL_OPTIONS, long bitmask); | |
| 30 .SH DESCRIPTION | |
| 31 Pass a long with a bitmask to tell libcurl about specific SSL behaviors. | |
| 32 | |
| 33 \fICURLSSLOPT_ALLOW_BEAST\fP tells libcurl to not attempt to use any | |
| 34 workarounds for a security flaw in the SSL3 and TLS1.0 protocols. If this | |
| 35 option isn't used or this bit is set to 0, the SSL layer libcurl uses may use a | |
| 36 work-around for this flaw although it might cause interoperability problems | |
| 37 with some (older) SSL implementations. WARNING: avoiding this work-around | |
| 38 lessens the security, and by setting this option to 1 you ask for exactly that. | |
| 39 This option is only supported for DarwinSSL, NSS and OpenSSL. | |
| 40 | |
| 41 Added in 7.44.0: | |
| 42 | |
| 43 \fICURLSSLOPT_NO_REVOKE\fP tells libcurl to disable certificate revocation | |
| 44 checks for those SSL backends where such behavior is present. This option is | |
| 45 only supported for Schannel (the native Windows SSL library), with an | |
| 46 exception in the case of Windows' Untrusted Publishers blacklist which it | |
| 47 seems can't be bypassed. | |
| 48 .SH DEFAULT | |
| 49 0 | |
| 50 .SH PROTOCOLS | |
| 51 All TLS-based protocols | |
| 52 .SH EXAMPLE | |
| 53 .nf | |
| 54 CURL *curl = curl_easy_init(); | |
| 55 if(curl) { | |
| 56 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/"); | |
| 57 /* weaken TLS only for use with silly servers */ | |
| 58 curl_easy_setopt(curl, CURLOPT_SSL_OPTIONS, CURLSSLOPT_ALLOW_BEAST | | |
| 59 CURLSSLOPT_NO_REVOKE); | |
| 60 ret = curl_easy_perform(curl); | |
| 61 curl_easy_cleanup(curl); | |
| 62 } | |
| 63 .fi | |
| 64 .SH AVAILABILITY | |
| 65 Added in 7.25.0 | |
| 66 .SH RETURN VALUE | |
| 67 Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. | |
| 68 .SH "SEE ALSO" | |
| 69 .BR CURLOPT_SSLVERSION "(3), " CURLOPT_SSL_CIPHER_LIST "(3), " |