curl / libcurl / API / curl_easy_setopt / CURLOPT_HSTSREADDATA

CURLOPT_HSTSREADDATA explained

NAME

CURLOPT_HSTSREADDATA - pointer passed to the HSTS read callback

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_HSTSREADDATA, void *pointer);

EXPERIMENTAL

Warning: this feature is early code and is marked as experimental. It can only be enabled by explicitly telling configure with --enable-hsts. You are advised to not ship this in production before the experimental label is removed.

DESCRIPTION

Data pointer to pass to the HSTS read function. If you use the CURLOPT_HSTSREADFUNCTION option, this is the pointer you'll get as input in the 3rd argument to the callback.

This option doesn't enable HSTS, you need to use CURLOPT_HSTS_CTRL to do that.

DEFAULT

NULL

PROTOCOLS

This feature is only used for HTTP(S) transfer.

EXAMPLE

CURL *curl = curl_easy_init();
struct MyData this;
if(curl) {
  curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
 
  /* pass pointer that gets passed in to the
     CURLOPT_HSTSREADFUNCTION callback */
  curl_easy_setopt(curl, CURLOPT_HSTSREADDATA, &this);
 
  curl_easy_perform(curl);
}

AVAILABILITY

Added in 7.74.0

RETURN VALUE

This will return CURLE_OK.

SEE ALSO

CURLOPT_HSTSREADFUNCTION(3), CURLOPT_HSTSWRITEDATA(3), CURLOPT_HSTSWRITEFUNCTION(3),

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