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81 lines
3.5 KiB
HTML
81 lines
3.5 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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<title>CURLOPT_USE_SSL man page</title>
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</head><body>
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<p class="level0"><a name="NAME"></a><h2 class="nroffsh">NAME</h2>
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<p class="level0">CURLOPT_USE_SSL - request using SSL / TLS for the transfer <a name="SYNOPSIS"></a><h2 class="nroffsh">SYNOPSIS</h2>
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<p class="level0">#include <curl/curl.h>
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<p class="level0">CURLcode curl_easy_setopt(CURL *handle, CURLOPT_USE_SSL, long level); <a name="DESCRIPTION"></a><h2 class="nroffsh">DESCRIPTION</h2>
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<p class="level0">Pass a long using one of the values from below, to make libcurl use your desired <span Class="emphasis">level</span> of SSL for the transfer.
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<p class="level0">These are all protocols that start out plain text and get "upgraded" to SSL using the STARTTLS command.
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<p class="level0">This is for enabling SSL/TLS when you use FTP, SMTP, POP3, IMAP etc.
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<p class="level0"><a name="CURLUSESSLNONE"></a><span class="nroffip">CURLUSESSL_NONE</span>
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<p class="level1">Don't attempt to use SSL.
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<p class="level0"><a name="CURLUSESSLTRY"></a><span class="nroffip">CURLUSESSL_TRY</span>
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<p class="level1">Try using SSL, proceed as normal otherwise.
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<p class="level0"><a name="CURLUSESSLCONTROL"></a><span class="nroffip">CURLUSESSL_CONTROL</span>
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<p class="level1">Require SSL for the control connection or fail with <span Class="emphasis">CURLE_USE_SSL_FAILED</span>.
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<p class="level0"><a name="CURLUSESSLALL"></a><span class="nroffip">CURLUSESSL_ALL</span>
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<p class="level1">Require SSL for all communication or fail with <span Class="emphasis">CURLE_USE_SSL_FAILED</span>. <a name="DEFAULT"></a><h2 class="nroffsh">DEFAULT</h2>
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<p class="level0">CURLUSESSL_NONE <a name="PROTOCOLS"></a><h2 class="nroffsh">PROTOCOLS</h2>
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<p class="level0">FTP, SMTP, POP3, IMAP <a name="EXAMPLE"></a><h2 class="nroffsh">EXAMPLE</h2>
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<p class="level0"><pre>
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<p class="level0">CURL *curl = curl_easy_init();
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, "<a href="ftp://example.com/dir/file.ext">ftp://example.com/dir/file.ext</a>");
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<p class="level0"> /* require use of SSL for this, or fail */
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curl_easy_setopt(curl, CURLOPT_USE_SSL, CURLUSESSL_ALL);
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<p class="level0"> /* Perform the request */
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curl_easy_perform(curl);
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}
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</pre>
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<p class="level0"><a name="AVAILABILITY"></a><h2 class="nroffsh">AVAILABILITY</h2>
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<p class="level0">Added in 7.11.0. This option was known as CURLOPT_FTP_SSL up to 7.16.4, and the constants were known as CURLFTPSSL_* <a name="RETURN"></a><h2 class="nroffsh">RETURN VALUE</h2>
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<p class="level0">Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. <a name="SEE"></a><h2 class="nroffsh">SEE ALSO</h2>
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<p class="level0"><a Class="manpage" href="./CURLOPT_SSLVERSION.html">CURLOPT_SSLVERSION</a>, <a Class="manpage" href="./CURLOPT_SSL_OPTIONS.html">CURLOPT_SSL_OPTIONS</a>, <span Class="manpage"> </span> <p class="roffit">
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