CURLOPT_SSH_KEYDATA(3)

1CURLOPT_SSH_KEYDATA(3)              libcurl             CURLOPT_SSH_KEYDATA(3)
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NAME

6       CURLOPT_SSH_KEYDATA - pointer passed to the SSH key callback
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SYNOPSIS

9       #include <curl/curl.h>
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11       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSH_KEYDATA, void *pointer);
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DESCRIPTION

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

18       NULL
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PROTOCOLS

21       SFTP and SCP
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EXAMPLE

24       static int keycb(CURL *easy,
25                        const struct curl_khkey *knownkey,
26                        const struct curl_khkey *foundkey,
27                        enum curl_khmatch match,
28                        void *clientp)
29       {
30         /* 'clientp' points to the callback_data struct */
31         /* investigate the situation and return the correct value */
32         return CURLKHSTAT_FINE_ADD_TO_FILE;
33       }
34       {
35         curl_easy_setopt(curl, CURLOPT_URL, "sftp://example.com/thisfile.txt");
36         curl_easy_setopt(curl, CURLOPT_SSH_KEYFUNCTION, keycb);
37         curl_easy_setopt(curl, CURLOPT_SSH_KEYDATA, &callback_data);
38         curl_easy_setopt(curl, CURLOPT_SSH_KNOWNHOSTS, "/home/user/known_hosts");
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40         curl_easy_perform(curl);
41       }
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AVAILABILITY

44       Added in 7.19.6
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RETURN VALUE

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