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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
72 lines
1.5 KiB
Markdown
72 lines
1.5 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_KEYDATA
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Section: 3
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Source: libcurl
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See-also:
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- CURLOPT_SSH_HOSTKEYFUNCTION (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_HOSTKEYDATA - pointer to pass to the SSH host key callback
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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_HOSTKEYDATA, void *pointer);
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~~~
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# DESCRIPTION
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Pass a void * as parameter. This *pointer* is passed along untouched to
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the callback set with CURLOPT_SSH_HOSTKEYFUNCTION(3).
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# DEFAULT
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NULL
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# EXAMPLE
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~~~c
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struct mine {
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void *custom;
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};
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static int hostkeycb(void *clientp, /* CURLOPT_SSH_HOSTKEYDATA */
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int keytype, /* CURLKHTYPE */
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const char *key, /* host key to check */
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size_t keylen) /* length of the key */
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{
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/* 'clientp' points to the callback_data struct */
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/* investigate the situation and return the correct value */
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return CURLKHMATCH_OK;
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}
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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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struct mine callback_data;
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curl_easy_setopt(curl, CURLOPT_URL, "sftp://example.com/thisfile.txt");
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curl_easy_setopt(curl, CURLOPT_SSH_HOSTKEYFUNCTION, hostkeycb);
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curl_easy_setopt(curl, CURLOPT_SSH_HOSTKEYDATA, &callback_data);
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curl_easy_perform(curl);
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}
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}
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~~~
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# AVAILABILITY
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Added in 7.84.0, works only with libssh2 backend.
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# RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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