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CURLOPT_CAPATH(3)          Library Functions Manual          CURLOPT_CAPATH(3)


NAME

       CURLOPT_CAPATH - directory holding CA certificates


SYNOPSIS

       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_CAPATH, char *capath);


DESCRIPTION

       Pass a char pointer to a null-terminated string naming a directory
       holding multiple CA certificates to verify the peer with. If libcurl is
       built against OpenSSL, the certificate directory must be prepared using
       the OpenSSL c_rehash utility. This makes sense only when used in
       combination with the CURLOPT_SSL_VERIFYPEER(3) option.

       The CURLOPT_CAPATH(3) function apparently does not work in Windows due
       to some limitation in OpenSSL.

       The application does not have to keep the string around after setting
       this option.

       The default value for this can be figured out with CURLINFO_CAPATH(3).


DEFAULT

       A path detected at build time.


PROTOCOLS

       This functionality affects all TLS based protocols: HTTPS, FTPS, IMAPS,
       POP3S, SMTPS etc.

       This option works only with the following TLS backends: GnuTLS,
       OpenSSL, mbedTLS and wolfSSL


EXAMPLE

       int main(void)
       {
         CURL *curl = curl_easy_init();
         if(curl) {
           CURLcode res;
           curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
           curl_easy_setopt(curl, CURLOPT_CAPATH, "/etc/cert-dir");
           res = curl_easy_perform(curl);
           curl_easy_cleanup(curl);
         }
       }


AVAILABILITY

       Added in curl 7.9.8


RETURN VALUE

       CURLE_OK if supported; or an error such as:

       CURLE_NOT_BUILT_IN - Not supported by the SSL backend

       CURLE_UNKNOWN_OPTION

       CURLE_OUT_OF_MEMORY


SEE ALSO

       CURLINFO_CAPATH(3), CURLOPT_CAINFO(3), CURLOPT_DEBUGFUNCTION(3),
       CURLOPT_STDERR(3)

libcurl                           2024-08-05                 CURLOPT_CAPATH(3)

curl 8.9.1 - Generated Wed Aug 7 11:14:15 CDT 2024
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