77 lines
1.4 KiB
Markdown
77 lines
1.4 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_FTPSSLAUTH
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Section: 3
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Source: libcurl
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See-also:
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- CURLOPT_FTP_SSL_CCC (3)
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- CURLOPT_USE_SSL (3)
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---
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# NAME
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CURLOPT_FTPSSLAUTH - order in which to attempt TLS vs SSL
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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_FTPSSLAUTH, long order);
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~~~
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# DESCRIPTION
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Pass a long using one of the values from below, to alter how libcurl issues
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"AUTH TLS" or "AUTH SSL" when FTP over SSL is activated. This is only
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interesting if CURLOPT_USE_SSL(3) is also set.
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Possible *order* values:
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## CURLFTPAUTH_DEFAULT
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Allow libcurl to decide.
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## CURLFTPAUTH_SSL
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Try "AUTH SSL" first, and only if that fails try "AUTH TLS".
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## CURLFTPAUTH_TLS
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Try "AUTH TLS" first, and only if that fails try "AUTH SSL".
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# DEFAULT
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CURLFTPAUTH_DEFAULT
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# PROTOCOLS
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FTP
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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, "ftp://example.com/file.txt");
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curl_easy_setopt(curl, CURLOPT_USE_SSL, CURLUSESSL_TRY);
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/* funny server, ask for SSL before TLS */
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curl_easy_setopt(curl, CURLOPT_FTPSSLAUTH, (long)CURLFTPAUTH_SSL);
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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 7.12.2
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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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