repo/core/curl/files/CURLINFO_SSL_VERIFYRESULT.3

.\" generated by cd2nroff 0.1 from CURLINFO_SSL_VERIFYRESULT.md
.TH CURLINFO_SSL_VERIFYRESULT 3 "2024-07-29" libcurl
.SH NAME
CURLINFO_SSL_VERIFYRESULT \- get the result of the certificate verification
.SH SYNOPSIS
.nf
#include <curl/curl.h>

CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_SSL_VERIFYRESULT,
                           long *result);
.fi
.SH DESCRIPTION
Pass a pointer to a long to receive the result of the server SSL certificate
verification that was requested (using the \fICURLOPT_SSL_VERIFYPEER(3)\fP
option).

0 is a positive result. Non\-zero is an error.
.SH 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
.SH EXAMPLE
.nf
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);
  }
}
.fi
.SH AVAILABILITY
Added in curl 7.5
.SH RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
.SH SEE ALSO
.BR CURLINFO_PROXY_SSL_VERIFYRESULT (3),
.BR curl_easy_getinfo (3),
.BR curl_easy_setopt (3)