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48 lines
1.4 KiB
Groff
48 lines
1.4 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLOPT_SSL_SESSIONID_CACHE.md
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.TH CURLOPT_SSL_SESSIONID_CACHE 3 "2024-06-01" libcurl
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.SH NAME
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CURLOPT_SSL_SESSIONID_CACHE \- use the SSL session\-ID cache
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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_setopt(CURL *handle, CURLOPT_SSL_SESSIONID_CACHE,
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long enabled);
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.fi
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.SH DESCRIPTION
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Pass a long set to 0 to disable libcurl\(aqs use of SSL session\-ID caching. Set
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this to 1 to enable it. By default all transfers are done using the cache
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enabled. While nothing ever should get hurt by attempting to reuse SSL
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session\-IDs, there seem to be or have been broken SSL implementations in the
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wild that may require you to disable this in order for you to succeed.
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.SH DEFAULT
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1
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.SH PROTOCOLS
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All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.
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All TLS backends support this option.
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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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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
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/* switch off session-id use! */
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curl_easy_setopt(curl, CURLOPT_SSL_SESSIONID_CACHE, 0L);
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res = curl_easy_perform(curl);
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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 7.16.0
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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_DNS_CACHE_TIMEOUT (3),
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.BR CURLOPT_MAXAGE_CONN (3),
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.BR CURLOPT_MAXLIFETIME_CONN (3),
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.BR CURLOPT_SSLVERSION (3)
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