CURLOPT_CAINFO_BLOB(3)     curl_easy_setopt options     CURLOPT_CAINFO_BLOB(3)

NAME
       CURLOPT_CAINFO_BLOB - Certificate Authority (CA) bundle in PEM format

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_CAINFO_BLOB, struct
       curl_blob *stblob);

DESCRIPTION
       Pass a pointer to a curl_blob structure, which contains information
       (pointer and size) about a memory block with binary data of PEM encoded
       content holding one or more certificates to verify the HTTPS server
       with.

       If _SSL_VERIFYPEER&section=3">CURLOPT_SSL_VERIFYPEER(3) is zero and you avoid verifying the
       server's certificate, _CAINFO_BLOB&section=3">CURLOPT_CAINFO_BLOB(3) is not needed.

       This option overrides _CAINFO&section=3">CURLOPT_CAINFO(3).

DEFAULT
       NULL

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

EXAMPLE
       char *strpem; /* strpem must point to a PEM string */
       CURL *curl = curl_easy_init();
       if(curl) {
         struct curl_blob blob;
         curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
         blob.data = strpem;
         blob.len = strlen(strpem);
         blob.flags = CURL_BLOB_COPY;
         curl_easy_setopt(curl, CURLOPT_CAINFO_BLOB, &blob);
         ret = curl_easy_perform(curl);
         curl_easy_cleanup(curl);
       }

AVAILABILITY
       Added in 7.77.0.

       This option is supported by the OpenSSL, Secure Transport and Schannel
       backends.

RETURN VALUE
       Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if
       not, or CURLE_OUT_OF_MEMORY if there was insufficient heap space.

SEE ALSO
       CURLOPT_CAINFO(3), CURLOPT_CAPATH(3),  CURLOPT_SSL_VERIFYPEER(3),
       CURLOPT_SSL_VERIFYHOST(3),

libcurl 7.77.0                   July 13, 2020          CURLOPT_CAINFO_BLOB(3)