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<a href="https://gitlab.com/albrechtd">Albrecht Dreß</a> created an issue <a href="https://gitlab.com/gnutls/gnutls/-/issues/1073">#1073</a>:
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<a id="user-content-description-of-the-feature" class="anchor" href="#description-of-the-feature" aria-hidden="true"></a>Description of the feature:</h2>
<p dir="auto">In “Echo” mode, <code>gnutls-serv</code> always replaces CRLF line endings by LF by <a href="https://gitlab.com/gnutls/gnutls/-/blob/master/src/serv.c#L1061">unconditionally calling <code>strip()</code></a>. It would be nice to have an option to switch this off, similar to the cli's <code>--crlf</code> option.</p>
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<a id="user-content-applications-that-this-feature-may-be-relevant-to" class="anchor" href="#applications-that-this-feature-may-be-relevant-to" aria-hidden="true"></a>Applications that this feature may be relevant to:</h2>
<p dir="auto">I use the Echo server for testing libraries and applications, implementing, inter alia, protocols like SMTP or POP3 which <em>rely</em> upon CRLF line endings according to the standards. If the CRLF-terminated message sent to the Echo server is returned <em>without</em> the CR, the tests fail. I hacked <code>gnutls-serv</code> by just commenting out the aforementioned call, but this is no “real” solution IMHO…</p>
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<a id="user-content-is-this-feature-implemented-in-other-libraries-and-which" class="anchor" href="#is-this-feature-implemented-in-other-libraries-and-which" aria-hidden="true"></a>Is this feature implemented in other libraries (and which)</h2>
<p dir="auto">IIRC, older versions of <code>gnutls-serv</code> (e.g. in Ubuntu 18.04) did <em>not</em> replace the CRLF by LF.</p>
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