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50 lines
1.4 KiB
Groff
50 lines
1.4 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLOPT_FTPSSLAUTH.md
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.TH CURLOPT_FTPSSLAUTH 3 "2024-07-29" libcurl
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.SH NAME
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CURLOPT_FTPSSLAUTH \- order in which to attempt TLS vs SSL
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.SH SYNOPSIS
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.nf
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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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.fi
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.SH 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 \fICURLOPT_USE_SSL(3)\fP is also set.
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Possible \fIorder\fP values:
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.IP CURLFTPAUTH_DEFAULT
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Allow libcurl to decide.
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.IP CURLFTPAUTH_SSL
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Try "AUTH SSL" first, and only if that fails try "AUTH TLS".
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.IP CURLFTPAUTH_TLS
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Try "AUTH TLS" first, and only if that fails try "AUTH SSL".
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.SH DEFAULT
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CURLFTPAUTH_DEFAULT
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.SH PROTOCOLS
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This functionality affects ftp only
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.SH EXAMPLE
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.nf
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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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.fi
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.SH AVAILABILITY
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Added in curl 7.12.2
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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.SH SEE ALSO
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.BR CURLOPT_FTP_SSL_CCC (3),
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.BR CURLOPT_USE_SSL (3)
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