77 lines
1.7 KiB
Markdown
77 lines
1.7 KiB
Markdown
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---
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c: Copyright (C) Daniel Stenberg, <daniel.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLOPT_SSH_PRIVATE_KEYFILE
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Section: 3
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Source: libcurl
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See-also:
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- CURLOPT_SSH_AUTH_TYPES (3)
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- CURLOPT_SSH_PUBLIC_KEYFILE (3)
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---
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# NAME
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CURLOPT_SSH_PRIVATE_KEYFILE - private key file for SSH auth
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# SYNOPSIS
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~~~c
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSH_PRIVATE_KEYFILE,
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char *filename);
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~~~
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# DESCRIPTION
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Pass a char pointer pointing to a *filename* for your private key. If not
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used, libcurl defaults to **$HOME/.ssh/id_rsa** or **$HOME/.ssh/id_dsa** if
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the HOME environment variable is set, and in the current directory if HOME is
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not set.
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If the file is password-protected, set the password with
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CURLOPT_KEYPASSWD(3).
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The SSH library derives the public key from this private key when possible. If
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the SSH library cannot derive the public key from the private one and no
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public one is provided with CURLOPT_SSH_PUBLIC_KEYFILE(3), the transfer
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fails.
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The application does not have to keep the string around after setting this
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option.
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# DEFAULT
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As explained above
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# PROTOCOLS
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SFTP and SCP
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# EXAMPLE
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~~~c
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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CURLcode res;
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curl_easy_setopt(curl, CURLOPT_URL, "sftp://example.com/file");
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curl_easy_setopt(curl, CURLOPT_SSH_PRIVATE_KEYFILE,
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"/home/clarkkent/.ssh/id_rsa");
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curl_easy_setopt(curl, CURLOPT_KEYPASSWD, "password");
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res = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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}
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}
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~~~
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# AVAILABILITY
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Added in 7.16.1
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# RETURN VALUE
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Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or
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CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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