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CURLINFO_CAINFO - Man Page

get the default built-in CA certificate path

Synopsis

#include <curl/curl.h>

CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_CAINFO, char **path);

Description

Pass a pointer to a char pointer to receive the pointer to a null-terminated string holding the default built-in path used for the CURLOPT_CAINFO(3) option unless set by the user.

Note that in a situation where libcurl has been built to support multiple TLS libraries, this option might return a string even if the specific TLS library currently set to be used does not support CURLOPT_CAINFO(3).

This is a path identifying a single file containing CA certificates.

The path pointer is set to NULL if there is no default path.

Protocols

All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.

All TLS backends support this option.

Example

int main(void)
{
  CURL *curl = curl_easy_init();
  if(curl) {
    char *cainfo = NULL;
    curl_easy_getinfo(curl, CURLINFO_CAINFO, &cainfo);
    if(cainfo) {
      printf("default ca info path: %s\n", cainfo);
    }
    curl_easy_cleanup(curl);
  }
}

Availability

Added in 7.84.0

Return Value

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

See Also

CURLINFO_CAPATH(3), curl_easy_getinfo(3), curl_easy_setopt(3)

Referenced By

curl_easy_getinfo(3), CURLINFO_CAPATH(3), CURLOPT_CAINFO(3), CURLOPT_CERTINFO(3), CURLOPT_PROXY_CAINFO(3), CURLOPT_SSL_VERIFYPEER(3).

2024-05-22 libcurl