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e3fe020089
Remove the PROTOCOLS section from the source files completely and instead generate them based on the header data in the curldown files. It also generates TLS backend information for options marked for TLS as protocol. Closes #13175
70 lines
1.6 KiB
Markdown
70 lines
1.6 KiB
Markdown
---
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c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLOPT_SSH_PUBLIC_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_PRIVATE_KEYFILE (3)
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Protocol:
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- SFTP
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- SCP
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---
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# NAME
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CURLOPT_SSH_PUBLIC_KEYFILE - public 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_PUBLIC_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 public key. If not used,
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libcurl defaults to **$HOME/.ssh/id_dsa.pub** if the HOME environment variable
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is set, and just "id_dsa.pub" in the current directory if HOME is not set.
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If NULL (or an empty string) is passed to this option, libcurl passes no
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public key to the SSH library, which then rather derives it from the private
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key. If the SSH library cannot derive the public key from the private one and
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no public one is provided, the transfer 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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NULL
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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_PUBLIC_KEYFILE,
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"/home/clarkkent/.ssh/id_rsa.pub");
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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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The "" trick was added in 7.26.0
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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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