x SuSE Linux 13.1-RELEASE x
x SuSE Linux 13.1-RELEASEx
CURLOPT_CAINFO_BLOB(3) libcurl 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 CURLOPT_SSL_VERIFYPEER(3) is zero and you avoid verifying the
server's certificate, CURLOPT_CAINFO_BLOB(3) is not needed.
This option overrides 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 BearSSL (since 7.79.0), mbedTLS (since
7.81.0), rustls (since 7.82.0), wolfSSL (since 8.2.0), 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), CUR-
LOPT_SSL_VERIFYHOST(3)
ibcurl 8.4.0 September 26, 2023 CURLOPT_CAINFO_BLOB(3)
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