CURLOPT_SSH_KEYDATA(3) | Library Functions Manual | CURLOPT_SSH_KEYDATA(3) |
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 is passed along verbatim to the callback set with CURLOPT_SSH_KEYFUNCTION(3).
DEFAULT
NULL
PROTOCOLS
This functionality affects scp and sftp
EXAMPLE
struct mine { void *custom; }; static int keycb(CURL *easy, const struct curl_khkey *knownkey, const struct curl_khkey *foundkey, enum curl_khmatch match, void *clientp) { /* 'clientp' points to the callback_data struct */ /* investigate the situation and return the correct value */ return CURLKHSTAT_FINE_ADD_TO_FILE; } int main(void) { CURL *curl = curl_easy_init(); if(curl) { struct mine callback_data; 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 curl 7.19.6
RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
SEE ALSO
2024-09-18 | libcurl |