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CURLOPT_SSH_PUBLIC_KEYFILE(3)       libcurl      CURLOPT_SSH_PUBLIC_KEYFILE(3)


NAME

       CURLOPT_SSH_PUBLIC_KEYFILE - public key file for SSH auth


SYNOPSIS

       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSH_PUBLIC_KEYFILE,
                                 char *filename);


DESCRIPTION

       Pass a char * pointing to a filename for your public key. If not used,
       libcurl defaults to $HOME/.ssh/id_dsa.pub if the HOME environment
       variable is set, and just "id_dsa.pub" in the current directory if HOME
       is not set.

       If NULL (or an empty string) is passed, libcurl will pass no public key
       to libssh2, which then tries to compute it from the private key.  This
       is known to work with libssh2 1.4.0+ linked against OpenSSL.

       The application does not have to keep the string around after setting
       this option.


DEFAULT

       NULL


PROTOCOLS

       SFTP and SCP


EXAMPLE

       CURL *curl = curl_easy_init();
       if(curl) {
         curl_easy_setopt(curl, CURLOPT_URL, "sftp://example.com/file");
         curl_easy_setopt(curl, CURLOPT_SSH_PUBLIC_KEYFILE,
                          "/home/clarkkent/.ssh/id_rsa.pub");
         ret = curl_easy_perform(curl);
         curl_easy_cleanup(curl);
       }


AVAILABILITY

       The "" trick was added in 7.26.0


RETURN VALUE

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


SEE ALSO

       CURLOPT_SSH_PRIVATE_KEYFILE(3), CURLOPT_SSH_AUTH_TYPES(3),

ibcurl 8.1.2                    April 26, 2023   CURLOPT_SSH_PUBLIC_KEYFILE(3)

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