NAME¶

CURLOPT_SSH_KEYDATA - pointer passed to the SSH key callback

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),