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CURLOPT_SSH_KEYDATA(3)     curl_easy_setopt options     CURLOPT_SSH_KEYDATA(3)

NAME

CURLOPT_SSH_KEYDATA - pointer to pass 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), libcurl 7.65.3 May 31, 2017 CURLOPT_SSH_KEYDATA(3)

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