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50 lines
1.5 KiB
Groff
50 lines
1.5 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLINFO_SSL_ENGINES.md
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.TH CURLINFO_SSL_ENGINES 3 "2024-06-01" libcurl
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.SH NAME
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CURLINFO_SSL_ENGINES \- get an slist of OpenSSL crypto\-engines
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_SSL_ENGINES,
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struct curl_slist **engine_list);
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.fi
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.SH DESCRIPTION
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Pass the address of a \(aqstruct curl_slist *\(aq to receive a linked\-list of
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OpenSSL crypto\-engines supported. Note that engines are normally implemented
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in separate dynamic libraries. Hence not all the returned engines may be
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available at runtime. \fBNOTE:\fP you must call \fIcurl_slist_free_all(3)\fP
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on the list pointer once you are done with it, as libcurl does not free this
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data for you.
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.SH PROTOCOLS
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All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.
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This option works only with the following TLS backends:
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OpenSSL
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.SH EXAMPLE
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.nf
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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CURLcode res;
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struct curl_slist *engines;
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res = curl_easy_getinfo(curl, CURLINFO_SSL_ENGINES, &engines);
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if((res == CURLE_OK) && engines) {
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/* we have a list, free it when done using it */
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curl_slist_free_all(engines);
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}
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curl_easy_cleanup(curl);
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}
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}
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.fi
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.SH AVAILABILITY
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Added in 7.12.3. Available in OpenSSL builds with "engine" support.
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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_SSLENGINE (3),
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.BR curl_easy_getinfo (3),
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.BR curl_easy_setopt (3)
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