CURLINFO_SSL_VERIFYRESULT.md

c	SPDX-License-Identifier	Title	Section	Source	See-also	Protocol	TLS-backend	Added-in
Copyright (C) Daniel Stenberg, <[email protected]>, et al.	curl	CURLINFO_SSL_VERIFYRESULT	3	libcurl	CURLINFO_PROXY_SSL_VERIFYRESULT (3) curl_easy_getinfo (3) curl_easy_setopt (3)	TLS	OpenSSL GnuTLS	7.5

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%

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_cleanup(curl);
      return 1;
    }

    res = curl_easy_getinfo(curl, CURLINFO_SSL_VERIFYRESULT,
                            &verifyresult);
    if(!res) {
      printf("The peer verification said %s\n",
             (verifyresult ? "bad" : "fine"));
    }
    curl_easy_cleanup(curl);
  }
}

%AVAILABILITY%

RETURN VALUE

curl_easy_getinfo(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).