FreeBSD Manual Pages
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 curl_easy_setopt(3) returns a CURLcode indicating success or error. CURLE_OK (0) means everything was OK, non-zero means an error occurred, see libcurl-errors(3). SEE ALSO CURLOPT_SSH_KEYDATA(3), CURLOPT_SSH_KNOWNHOSTS(3) libcurl 2025-06-03 CURLOPT_SSH_KEYDATA(3)
NAME | SYNOPSIS | DESCRIPTION | DEFAULT | PROTOCOLS | EXAMPLE | AVAILABILITY | RETURN VALUE | SEE ALSO
Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=CURLOPT_SSH_KEYDATA&sektion=3&manpath=FreeBSD+Ports+14.3.quarterly>