1CURLOPT_SSH_KNOWNHOSTS(3)  curl_easy_setopt options  CURLOPT_SSH_KNOWNHOSTS(3)
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NAME

6       CURLOPT_SSH_KNOWNHOSTS - file name holding the SSH known hosts
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SYNOPSIS

9       #include <curl/curl.h>
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11       CURLcode  curl_easy_setopt(CURL  *handle,  CURLOPT_SSH_KNOWNHOSTS, char
12       *fname);
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DESCRIPTION

15       Pass a pointer to a zero terminated string holding the file name of the
16       known_host  file  to  use.  The known_hosts file should use the OpenSSH
17       file format as supported by libssh2. If this file is specified, libcurl
18       will  only  accept connections with hosts that are known and present in
19       that file, with a matching public key.  Use  CURLOPT_SSH_KEYFUNCTION(3)
20       to alter the default behavior on host and key (mis)matching.
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22       The  application  does not have to keep the string around after setting
23       this option.
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DEFAULT

26       NULL
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PROTOCOLS

29       SFTP and SCP
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EXAMPLE

32       CURL *curl = curl_easy_init();
33       if(curl) {
34         curl_easy_setopt(curl, CURLOPT_URL, "sftp://example.com/file");
35         curl_easy_setopt(curl, CURLOPT_SSH_KNOWNHOSTS,
36                          "/home/clarkkent/.ssh/known_hosts");
37         ret = curl_easy_perform(curl);
38         curl_easy_cleanup(curl);
39       }
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AVAILABILITY

42       Added in 7.19.6
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RETURN VALUE

45       Returns CURLE_OK if the option is  supported,  CURLE_UNKNOWN_OPTION  if
46       not, or CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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SEE ALSO

49       CURLOPT_SSH_AUTH_TYPES(3), CURLOPT_SSH_HOST_PUBLIC_KEY_MD5(3),
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53libcurl 7.64.0                   May 31, 2017        CURLOPT_SSH_KNOWNHOSTS(3)
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