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<li class="toctree-l2 current"><a class="reference internal" href="../../../manpages.html">Man pages</a><ul class="current">
<li class="toctree-l3 current"><a class="reference internal" href="../../../manpages.html#library-files">(3) Library Files</a><ul class="current">
<li class="toctree-l4"><a class="reference internal" href="sasl.html"><strong>SASL</strong> - SASL Authentication Library</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_authorize_t.html"><strong>sasl_authorize_t</strong> - The SASL authorization callback</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_auxprop.html"><strong>sasl_auxprop</strong> - How to work with SASL auxiliary properties</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_auxprop_add_plugin.html"><strong>sasl_auxprop_add_plugin</strong> - add a SASL auxiliary property plugin</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_auxprop_getctx.html"><strong>sasl_auxprop_getctx</strong> - Acquire an auxiliary property context</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_auxprop_request.html"><strong>sasl_auxprop_request</strong> - Request auxiliary properties from SASL</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_callbacks.html"><strong>sasl_callbacks</strong> - How to work with SASL callbacks</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_canon_user_t.html"><strong>sasl_canon_user_t</strong> - Application-supplied user canonicalization function</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_canonuser_add_plugin.html"><strong>sasl_canonuser_add_plugin</strong> - add a SASL user canonicalization plugin</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_chalprompt_t.html"><strong>sasl_chalprompt_t</strong> - Realm acquisition callback</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_checkapop.html"><strong>sasl_checkapop</strong> - Check an APOP challenge/response</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_checkpass.html"><strong>sasl_checkpass</strong> - Check a plaintext password</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_client_add_plugin.html"><strong>sasl_client_add_plugin</strong> - add a SASL client plugin</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_client_done.html"><strong>sasl_client_done</strong> - Cleanup function</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_client_init.html"><strong>sasl_client_init</strong> - SASL client authentication initialization</a></li>
<li class="toctree-l4 current"><a class="current reference internal" href="#"><strong>sasl_client_new</strong> - Create a new client authentication object</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_client_plug_init_t.html"><strong>sasl_client_plug_init_t</strong> - client plug‐in entry point</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_client_start.html"><strong>sasl_client_start</strong> - Begin an authentication negotiation</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_client_step.html"><strong>sasl_client_step</strong> - Perform a step in the authentication negotiation</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_decode.html"><strong>sasl_decode</strong> - Decode data received</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_decode64.html"><strong>sasl_decode64</strong> - Decode base64 string</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_dispose.html"><strong>sasl_dispose</strong> - Dispose of a SASL connection object</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_done.html"><strong>sasl_done</strong> - Dispose of a SASL connection object</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_encode.html"><strong>sasl_encode</strong> - Encode data for transport to authenticated host</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_encode64.html"><strong>sasl_encode64</strong> - Encode base64 string</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_encodev.html"><strong>sasl_encodev</strong> - Encode data for transport to authenticated host</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_erasebuffer.html"><strong>sasl_erasebuffer</strong> - erase buffer</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_errdetail.html"><strong>sasl_errdetail</strong> - Retrieve detailed information about an error</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_errors.html"><strong>sasl_errors</strong> - SASL error codes</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_errstring.html"><strong>sasl_errstring</strong> - Translate a SASL return code to a human-readable form</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_getcallback_t.html"><strong>sasl_getcallback_t</strong> - callback function to lookup a sasl_callback_t for a connection</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_getconfpath_t.html"><strong>sasl_getconfpath_t</strong> - The SASL callback to indicate location of the config files</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_getopt_t.html"><strong>sasl_getopt_t</strong> - The SASL get option callback</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_getpath_t.html"><strong>sasl_getpath_t</strong> - The SASL callback to indicate location of the mechanism drivers</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_getprop.html"><strong>sasl_getprop</strong> - Get a SASL property</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_getrealm_t.html"><strong>sasl_getrealm_t</strong> - Realm Acquisition Callback</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_getsecret_t.html"><strong>sasl_getsecret_t</strong> - The SASL callback for secrets (passwords)</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_getsimple_t.html"><strong>sasl_getsimple_t</strong> - The SASL callback for username/authname/realm</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_global_listmech.html"><strong>sasl_global_listmech</strong> - Retrieve a list of the supported SASL mechanisms</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_idle.html"><strong>sasl_idle</strong> - Perform precalculations during an idle period</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_listmech.html"><strong>sasl_listmech</strong> - Retrieve a list of the supported SASL mechanisms</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_log_t.html"><strong>sasl_log_t</strong> - The SASL logging callback</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_server_add_plugin.html"><strong>sasl_server_add_plugin</strong> - add a SASL server plugin</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_server_done.html"><strong>sasl_server_done</strong> - Cleanup function</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_server_init.html"><strong>sasl_server_init</strong> - SASL server authentication initialization</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_server_new.html"><strong>sasl_server_new</strong> - Create a new server authentication object</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_server_plug_init_t.html"><strong>sasl_server_plug_init_t</strong> - server plug‐in entry point</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_server_start.html"><strong>sasl_server_start</strong> - Begin an authentication negotiation</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_server_step.html"><strong>sasl_server_step</strong> - Perform a step in the authentication negotiation</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_server_userdb_checkpass_t.html"><strong>sasl_server_userdb_checkpass_t</strong> - Plaintext Password Verification Callback</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_server_userdb_setpass_t.html"><strong>sasl_server_userdb_setpass_t</strong> - UserDB Plaintext Password Setting Callback</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_set_alloc.html"><strong>sasl_set_alloc</strong> - set the memory allocation functions used by the SASL library</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_set_mutex.html"><strong>sasl_set_mutex</strong> - set the mutex lock functions used by the SASL library</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_seterror.html"><strong>sasl_seterror</strong> - set the error string</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_setpass.html"><strong>sasl_setpass</strong> - Check a plaintext password</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_setprop.html"><strong>sasl_setprop</strong> - Set a SASL property</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_user_exists.html"><strong>sasl_user_exists</strong> - Check if a user exists on server</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_usererr.html"><strong>sasl_usererr</strong> - Remove information leak about accounts from sasl error codes</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_utf8verify.html"><strong>sasl_utf8verify</strong> - Verify a string is valid utf8</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl_verifyfile_t.html"><strong>sasl_verifyfile_t</strong> - The SASL file verification</a></li>
</ul>
</li>
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<li><strong>sasl_client_new</strong> - Create a new client authentication object</li>
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<div class="section" id="sasl-client-new-create-a-new-client-authentication-object">
<span id="sasl-reference-manpages-library-sasl-client-new"></span><span id="std:saslman-sasl_client_new(3)"></span><h1><strong>sasl_client_new</strong> - Create a new client authentication object<a class="headerlink" href="#sasl-client-new-create-a-new-client-authentication-object" title="Permalink to this headline">¶</a></h1>
<div class="section" id="synopsis">
<h2>Synopsis<a class="headerlink" href="#synopsis" title="Permalink to this headline">¶</a></h2>
<div class="highlight-C"><div class="highlight"><pre><span></span><span class="cp">#include</span> <span class="cpf"><sasl/sasl.h></span><span class="cp"></span>
<span class="kt">int</span> <span class="nf">sasl_client_new</span><span class="p">(</span><span class="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">service</span><span class="p">,</span>
<span class="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">serverFQDN</span><span class="p">,</span>
<span class="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">iplocalport</span><span class="p">,</span>
<span class="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">ipremoteport</span><span class="p">,</span>
<span class="k">const</span> <span class="n">sasl_callback_t</span> <span class="o">*</span><span class="n">prompt_supp</span><span class="p">,</span>
<span class="kt">unsigned</span> <span class="n">flags</span><span class="p">,</span>
<span class="n">sasl_conn_t</span> <span class="o">**</span> <span class="n">pconn</span><span class="p">);</span>
</pre></div>
</div>
</div>
<div class="section" id="description">
<h2>Description<a class="headerlink" href="#description" title="Permalink to this headline">¶</a></h2>
<dl class="function">
<dt>
<code class="descname">int sasl_client_new(const char *service,</code></dt>
<dt>
<code class="descname">const char *serverFQDN,</code></dt>
<dt>
<code class="descname">const char *iplocalport,</code></dt>
<dt>
<code class="descname">const char *ipremoteport,</code></dt>
<dt>
<code class="descname">const sasl_callback_t *prompt_supp,</code></dt>
<dt>
<code class="descname">unsigned flags,</code></dt>
<dt>
<code class="descname">sasl_conn_t ** pconn);</code></dt>
<dd><p><strong>sasl_client_new()</strong> creates a new SASL context. This context will be
used for all SASL calls for one connection. It handles both
authentication and integrity/encryption layers after authentication.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
<li><strong>service</strong> – the registered name of the service (usually the protocol name) using SASL (e.g. “imap”).</li>
<li><strong>serverFQDN</strong> – the fully qualified domain name of the server (e.g. “serverhost.example.com”).</li>
<li><strong>iplocalport</strong> – the IP and port of the local side of the
connection, or NULL. If iplocalport is NULL it will disable
mechanisms that require IP address information. This
string must be in one of the following formats:
“a.b.c.d;port” (IPv4), “e:f:g:h:i:j:k:l;port” (IPv6), or
“e:f:g:h:i:j:a.b.c.d;port” (IPv6)</li>
<li><strong>ipremoteport</strong> – the IP and port of the remote side of the
connection, or NULL (see iplocalport)</li>
<li><strong>prompt_supp</strong> – a list of client interactions supported
that is unique to this connection. If this parameter is
NULL the global callbacks (specified in <a class="reference internal" href="sasl_client_init.html#std:saslman-sasl_client_init(3)">sasl_client_init(3)</a>)
will be used. See <a class="reference internal" href="sasl_callbacks.html#std:saslman-sasl_callbacks(3)">sasl_callbacks(3)</a> for more information.</li>
<li><strong>flags</strong> – are connection flags (see below)</li>
<li><strong>pconn</strong> – the connection context allocated by the library.
This structure will be used for all future SASL calls for
this connection.</li>
</ul>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<div class="section" id="connection-flags">
<h3>Connection Flags<a class="headerlink" href="#connection-flags" title="Permalink to this headline">¶</a></h3>
<p>Flags that may be passed to <strong>sasl_client_new()</strong>:</p>
<ul class="simple">
<li><cite>SASL_SUCCESS_DATA</cite>: The protocol supports a server‐last send</li>
<li><dl class="first docutils">
<dt><cite>SASL_NEED_PROXY</cite>: Force the use of a mechanism that supports an</dt>
<dd>authorization id that is not the authentication id.</dd>
</dl>
</li>
</ul>
</div>
</div>
<div class="section" id="return-value">
<h2>Return Value<a class="headerlink" href="#return-value" title="Permalink to this headline">¶</a></h2>
<p>SASL callback functions should return SASL return codes.
See sasl.h for a complete list. <a class="reference internal" href="sasl_errors.html#c.SASL_OK" title="SASL_OK"><code class="xref c c-macro docutils literal"><span class="pre">SASL_OK</span></code></a> indicates success.</p>
<p>The following return codes indicate errors and should either be handled or the authentication
session should be quit:</p>
<ul class="simple">
<li><a class="reference internal" href="sasl_errors.html#c.SASL_NOMECH" title="SASL_NOMECH"><code class="xref c c-macro docutils literal"><span class="pre">SASL_NOMECH</span></code></a>: No mechanism meets requested properties</li>
<li><a class="reference internal" href="sasl_errors.html#c.SASL_BADPARAM" title="SASL_BADPARAM"><code class="xref c c-macro docutils literal"><span class="pre">SASL_BADPARAM</span></code></a>: Error in config file</li>
<li><a class="reference internal" href="sasl_errors.html#c.SASL_NOMEM" title="SASL_NOMEM"><code class="xref c c-macro docutils literal"><span class="pre">SASL_NOMEM</span></code></a>: Not enough memory to complete operation</li>
</ul>
</div>
<div class="section" id="see-also">
<h2>See Also<a class="headerlink" href="#see-also" title="Permalink to this headline">¶</a></h2>
<p><span class="target" id="index-0"></span><a class="rfc reference external" href="https://tools.ietf.org/html/rfc4422.html"><strong>RFC 4422</strong></a>,:saslman:<cite>sasl(3)</cite>, <a class="reference internal" href="sasl_callbacks.html#std:saslman-sasl_callbacks(3)">sasl_callbacks(3)</a>,
<a class="reference internal" href="sasl_client_init.html#std:saslman-sasl_client_init(3)">sasl_client_init(3)</a>, <a class="reference internal" href="sasl_client_start.html#std:saslman-sasl_client_start(3)">sasl_client_start(3)</a>,
<a class="reference internal" href="sasl_client_step.html#std:saslman-sasl_client_step(3)">sasl_client_step(3)</a>, <a class="reference internal" href="sasl_setprop.html#std:saslman-sasl_setprop(3)">sasl_setprop(3)</a></p>
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