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CURLOPT_SSLENGINE_DEFAULT(3) Library Functions Manual CURLOPT_SSLENGINE_DEFAULT(3)

NAME

CURLOPT_SSLENGINE_DEFAULT - make SSL engine default

SYNOPSIS

#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSLENGINE_DEFAULT, long val);

DESCRIPTION

Pass a long set to 1 to make the already specified crypto engine the default for (asymmetric) crypto operations.

This option has no effect unless set after CURLOPT_SSLENGINE(3).

DEFAULT

None

PROTOCOLS

All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.

This option works only with the following TLS backends: OpenSSL

EXAMPLE

int main(void)
{

CURL *curl = curl_easy_init();
if(curl) {
CURLcode res;
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
curl_easy_setopt(curl, CURLOPT_SSLENGINE, "dynamic");
curl_easy_setopt(curl, CURLOPT_SSLENGINE_DEFAULT, 1L);
res = curl_easy_perform(curl);
curl_easy_cleanup(curl);
} }

AVAILABILITY

Only if the SSL backend is OpenSSL built with engine support.

RETURN VALUE

CURLE_OK - Engine set as default.

CURLE_SSL_ENGINE_SETFAILED - Engine could not be set as default.

CURLE_NOT_BUILT_IN - Option not built in, OpenSSL is not the SSL backend.

CURLE_UNKNOWN_OPTION - Option not recognized.

CURLE_OUT_OF_MEMORY - Insufficient heap space.

SEE ALSO

CURLOPT_SSLCERT(3), CURLOPT_SSLENGINE(3)

March 27 2024 libcurl