CURLOPT_SSH_KEYDATA(3)

CURLOPT_SSH_KEYDATA(3curl_easy_setopt optionCURLOPT_SSH_KEYDATA(3)

NAME

     CURLOPT_SSH_KEYDATA - pointer to pass to the SSH  key  call-
     back

SYNOPSIS

     #include <curl/curl.h>

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

DESCRIPTION

     Pass a void * as parameter.  This  pointer  will  be  passed
     along     verbatim     to     the    callback    set    with
     CURLOPT_SSH_KEYFUNCTION(3).

DEFAULT

     NULL

PROTOCOLS

     SFTP and SCP

EXAMPLE

     static int keycb(CURL *easy,
                      const struct curl_khkey *knownkey,
                      const struct curl_khkey *foundkey,
                      enum curl_khmatch,
                      void *clientp)
     {
       /* 'clientp' points to the callback_data struct */
       /* investigate the situation and return the correct value */
       return CURLKHSTAT_FINE_ADD_TO_FILE;
     }
     {
       curl_easy_setopt(curl, CURLOPT_URL, "sftp://example.com/thisfile.txt");
       curl_easy_setopt(curl, CURLOPT_SSH_KEYFUNCTION, keycb);
       curl_easy_setopt(curl, CURLOPT_SSH_KEYDATA, &callback_data);
       curl_easy_setopt(curl, CURLOPT_SSH_KNOWNHOSTS, "/home/user/known_hosts");

       curl_easy_perform(curl);
     }

AVAILABILITY

     Added in 7.19.6

RETURN VALUE

     Returns  CURLE_OK  if   the   option   is   supported,   and
     CURLE_UNKNOWN_OPTION if not.

SEE ALSO

     CURLOPT_SSH_KEYDATA(3), CURLOPT_SSH_KNOWNHOSTS(3),

libcurl 7.58.0      Last change: May 31, 2017                   1