CURLINFO_SSL_VERIFYRESULT (original) (raw)

CURLINFO_SSL_VERIFYRESULT explained

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 option).

0 is a positive result. Non-zero is an error.

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

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

Added in curl 7.5

Return value

curl_easy_getinfo returns a CURLcode indicating success or error.

CURLE_OK (0) means everything was OK, non-zero means an error occurred, see libcurl-errors.