curl / libcurl / API / curl_easy_getinfo / CURLINFO_PROXY_SSL_VERIFYRESULT

CURLINFO_PROXY_SSL_VERIFYRESULT explained

Name

CURLINFO_PROXY_SSL_VERIFYRESULT - get the result of the proxy certificate verification

Synopsis

#include <curl/curl.h>
 
CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_PROXY_SSL_VERIFYRESULT,
                           long *result);

Description

Pass a pointer to a long to receive the result of the certificate verification that was requested (using the CURLOPT_PROXY_SSL_VERIFYPEER option. This is only used for HTTPS proxies.

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");
    curl_easy_setopt(curl, CURLOPT_PROXY, "https://proxy:443");
 
    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_PROXY_SSL_VERIFYRESULT,
                            &verifyresult);
    if(!res) {
      printf("The peer verification said %s\n",
             (verifyresult ? "bad" : "fine"));
    }
    curl_easy_cleanup(curl);
  }
}

Availability

Added in curl 7.52.0

Return value

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

See also

CURLINFO_SSL_VERIFYRESULT(3), curl_easy_getinfo(3), curl_easy_setopt(3)

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