개요

• 솔라나라에 설명된 어플리케이션에 대해 맨 페이지를 찾아 출력한다.
• MAN 페이지에 대한 설명은 윈디하나의 솔라나라: MAN 페이지을 참고하자.
• svcadm(1M)을 검색하려면 섹션에서 1M 을 선택하고, 맨 페이지 이름에 svcadm을 입력하고 검색을 누른다.

CURLOPT_HSTSWRITEFUNCTION(3)

curl_easy_setopt options                          CURLOPT_HSTSWRITEFUNCTION(3)



NAME
       CURLOPT_HSTSWRITEFUNCTION - write callback for HSTS hosts

SYNOPSIS
       #include <curl/curl.h>

       struct curl_hstsentry {
         char *name;
         size_t namelen;
         unsigned int includeSubDomains:1;
         char expire[18]; /* YYYYMMDD HH:MM:SS [null-terminated] */
       };

       struct curl_index {
         size_t index; /* the provided entry's "index" or count */
         size_t total; /* total number of entries to save */
       };

       CURLSTScode hstswrite(CURL *easy, struct curl_hstsentry *sts,
                             struct curl_index *count, void *userp);

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_HSTSWRITEFUNCTION, hstswrite);

DESCRIPTION
       Pass a pointer to your callback function, as the prototype shows above.

       This  callback  function gets called by libcurl repeatedly to allow the
       application to store the in-memory HSTS cache when libcurl is about  to
       discard it.

       Set  the  userp argument with the CURLOPT_HSTSWRITEDATA(3) option or it
       will be NULL.

       When the callback is invoked, the sts pointer  points  to  a  populated
       struct: Read the host name to 'name' (it is namelen bytes long and null
       terminated. The  includeSubDomains  field  is  non-zero  if  the  entry
       matches  subdomains.  The expire string is a date stamp null-terminated
       string using the syntax YYYYMMDD HH:MM:SS.

       The callback should return CURLSTS_OK if it succeeded and  is  prepared
       to  be called again (for another host) or CURLSTS_DONE if there's noth‐
       ing more to do. It can also return CURLSTS_FAIL to signal error.

       This option does not enable HSTS, you need to use  CURLOPT_HSTS_CTRL(3)
       to do that.

DEFAULT
       NULL - no callback.

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

EXAMPLE
       {
         /* set HSTS read callback */
         curl_easy_setopt(curl, CURLOPT_HSTSWRITEFUNCTION, hstswrite);

         /* pass in suitable argument to the callback */
         curl_easy_setopt(curl, CURLOPT_HSTSWRITEDATA, &hstspreload[0]);

         result = curl_easy_perform(curl);
       }

AVAILABILITY
       Added in 7.74.0

RETURN VALUE
       This will return CURLE_OK.

SEE ALSO
       CURLOPT_HSTSWRITEDATA(3),       CURLOPT_HSTSWRITEFUNCTION(3),      CUR‐
       LOPT_HSTS(3), CURLOPT_HSTS_CTRL(3),



libcurl 7.86.0                September 20, 2022
                                                  CURLOPT_HSTSWRITEFUNCTION(3)