CURLINFO_SSL_VERIFYRESULT(3)

get the result of the certificate verification

Section 3 libcurl4-doc bookworm source

Description

CURLINFO_SSL_VERIFYRESULT

NAME

CURLINFO_SSL_VERIFYRESULT - get the result of the certificate verification

SYNOPSIS

#include <curl/curl.h>

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 using TLS

EXAMPLE

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);
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, NSS and GnuTLS backends.

RETURN VALUE

Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.