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CURLOPT_SS...RIFYSTATUS(3) Library Functions Manual CURLOPT_SS...RIFYSTATUS(3) NAME CURLOPT_SSL_VERIFYSTATUS - verify the certificate's status SYNOPSIS #include <curl/curl.h> CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSL_VERIFYSTATUS, long verify); DESCRIPTION Pass a long as parameter set to 1 to enable or 0 to disable. This option determines whether libcurl verifies the status of the server cert using the "Certificate Status Request" TLS extension (aka. OCSP stapling). Note that if this option is enabled but the server does not support the TLS extension, the verification fails. DEFAULT 0 PROTOCOLS This functionality affects all TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc. This option works only with the following TLS backends: GnuTLS and OpenSSL EXAMPLE int main(void) { CURL *curl = curl_easy_init(); if(curl) { CURLcode res; curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/"); /* ask for OCSP stapling */ curl_easy_setopt(curl, CURLOPT_SSL_VERIFYSTATUS, 1L); res = curl_easy_perform(curl); curl_easy_cleanup(curl); } } AVAILABILITY Added in curl 7.41.0 RETURN VALUE curl_easy_setopt(3) returns a CURLcode indicating success or error. CURLE_OK (0) means everything was OK, non-zero means an error occurred, see libcurl-errors(3). SEE ALSO CURLOPT_CAINFO(3), CURLOPT_SSL_VERIFYHOST(3), CURLOPT_SSL_VERIFYPEER(3) libcurl 2025-06-03 CURLOPT_SS...RIFYSTATUS(3)
NAME | SYNOPSIS | DESCRIPTION | DEFAULT | PROTOCOLS | EXAMPLE | AVAILABILITY | RETURN VALUE | SEE ALSO
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