CURLINFO_SSL_VERIFYRESULT(3) Library Functions Manual NAME CURLINFO_SSL_VERIFYRESULT - get the result of the certificate verification SYNOPSIS #include CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_SSL_VERIFYRESULT, long *result); DESCRIPTION Pass a pointer to a long to receive the result of the server SSL certificate verification that was requested (using the CURLOPT_SSL_VERIFYPEER(3) option). 0 is a positive result. Non-zero is an error. PROTOCOLS 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; long verifyresult; curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); res = curl_easy_perform(curl); if(res) printf("error: %s\n", curl_easy_strerror(res)); curl_easy_getinfo(curl, CURLINFO_SSL_VERIFYRESULT, &verifyresult); printf("The peer verification said %s\n", verifyresult? "BAAAD":"fine"); curl_easy_cleanup(curl); } } AVAILABILITY Added in 7.5. Only set by the OpenSSL/libressl/boringssl and GnuTLS backends. RETURN VALUE Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. SEE ALSO CURLINFO_PROXY_SSL_VERIFYRESULT(3), curl_easy_getinfo(3), curl_easy_setopt(3) libcurl April 02 2024 CURLINFO_SSL_VERIFYRESULT(3)