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<li class="toctree-l1"><a class="reference internal" href="download.html">Download</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="sasl/concepts.html#sasl">SASL</a></li>
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<li class="toctree-l2"><a class="reference internal" href="sasl/concepts.html#cyrus-sasl">Cyrus SASL</a></li>
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<li class="toctree-l3"><a class="reference internal" href="sasl/options.html#sql-plugin">SQL Plugin</a><ul>
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<li class="toctree-l4"><a class="reference internal" href="sasl/options.html#id2">Examples</a></li>
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<li class="toctree-l3"><a class="reference internal" href="sasl/options.html#kerberos-v4">Kerberos V4</a></li>
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<li class="toctree-l2"><a class="reference internal" href="sasl/advanced.html">Advanced Usage</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/advanced.html#notes-for-advanced-usage-of-libsasl">Notes for Advanced Usage of libsasl</a><ul>
<li class="toctree-l4"><a class="reference internal" href="sasl/advanced.html#using-cyrus-sasl-as-a-static-library">Using Cyrus SASL as a static library</a></li>
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<li class="toctree-l1"><a class="reference internal" href="operations.html">Operations</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="sasl/sysadmin.html#what-sasl-is">What SASL is</a><ul>
<li class="toctree-l4"><a class="reference internal" href="sasl/sysadmin.html#authentication-and-authorization-identifiers">Authentication and authorization identifiers</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/sysadmin.html#realms">Realms</a></li>
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<li class="toctree-l3"><a class="reference internal" href="sasl/sysadmin.html#how-sasl-works">How SASL works</a><ul>
<li class="toctree-l4"><a class="reference internal" href="sasl/sysadmin.html#the-plain-mechanism-sasl-checkpass-and-plaintext-passwords">The PLAIN mechanism, <code class="docutils literal"><span class="pre">sasl_checkpass()</span></code>, and plaintext passwords</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/sysadmin.html#shared-secrets-mechanisms">Shared secrets mechanisms</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/sysadmin.html#kerberos-mechanisms">Kerberos mechanisms</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/sysadmin.html#the-otp-mechanism">The OTP mechanism</a></li>
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<li class="toctree-l3"><a class="reference internal" href="sasl/sysadmin.html#auxiliary-properties">Auxiliary Properties</a></li>
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<li class="toctree-l4"><a class="reference internal" href="sasl/sysadmin.html#the-default-configuration-file">The default configuration file</a></li>
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<li class="toctree-l2"><a class="reference internal" href="sasl/manpages.html">Man pages</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/manpages.html#library-files">(3) Library Files</a><ul>
<li class="toctree-l4"><a class="reference internal" href="sasl/reference/manpages/library/sasl.html"><strong>SASL</strong> - SASL Authentication Library</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/sasl_chalprompt_t.html"><strong>sasl_chalprompt_t</strong> - Realm acquisition callback</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/reference/manpages/library/sasl_checkapop.html"><strong>sasl_checkapop</strong> - Check an APOP challenge/response</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/reference/manpages/library/sasl_checkpass.html"><strong>sasl_checkpass</strong> - Check a plaintext password</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/reference/manpages/library/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/reference/manpages/library/sasl_client_done.html"><strong>sasl_client_done</strong> - Cleanup function</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/reference/manpages/library/sasl_client_init.html"><strong>sasl_client_init</strong> - SASL client authentication initialization</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/reference/manpages/library/sasl_client_new.html"><strong>sasl_client_new</strong> - Create a new client authentication object</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/sasl_decode.html"><strong>sasl_decode</strong> - Decode data received</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/reference/manpages/library/sasl_decode64.html"><strong>sasl_decode64</strong> - Decode base64 string</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/sasl_encode64.html"><strong>sasl_encode64</strong> - Encode base64 string</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/reference/manpages/library/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/reference/manpages/library/sasl_erasebuffer.html"><strong>sasl_erasebuffer</strong> - erase buffer</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/reference/manpages/library/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/reference/manpages/library/sasl_errors.html"><strong>sasl_errors</strong> - SASL error codes</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/sasl_getprop.html"><strong>sasl_getprop</strong> - Get a SASL property</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/reference/manpages/library/sasl_getrealm_t.html"><strong>sasl_getrealm_t</strong> - Realm Acquisition Callback</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/sasl_server_done.html"><strong>sasl_server_done</strong> - Cleanup function</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/sasl_seterror.html"><strong>sasl_seterror</strong> - set the error string</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/reference/manpages/library/sasl_setpass.html"><strong>sasl_setpass</strong> - Check a plaintext password</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/reference/manpages/library/sasl_setprop.html"><strong>sasl_setprop</strong> - Set a SASL property</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/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/reference/manpages/library/sasl_verifyfile_t.html"><strong>sasl_verifyfile_t</strong> - The SASL file verification</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="sasl/auxiliary_properties.html">Auxiliary Properties</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/auxiliary_properties.html#auxiliary-properties-and-the-glue-layer">Auxiliary Properties and the Glue Layer</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/auxiliary_properties.html#passwords-and-other-data">Passwords and other Data</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/auxiliary_properties.html#sasldb">sasldb</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/auxiliary_properties.html#ldapdb">ldapdb</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/auxiliary_properties.html#sql">sql</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/auxiliary_properties.html#user-canonicalization">User Canonicalization</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="sasl/authentication_mechanisms.html">Authentication Mechanisms</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/authentication_mechanisms.html#mechanisms">Mechanisms</a><ul>
<li class="toctree-l4"><a class="reference internal" href="sasl/authentication_mechanisms.html#anonymous">ANONYMOUS</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/authentication_mechanisms.html#cram-md5">CRAM-MD5</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/authentication_mechanisms.html#digest-md5">DIGEST-MD5</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/authentication_mechanisms.html#external">EXTERNAL</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/authentication_mechanisms.html#g2">G2</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/authentication_mechanisms.html#gssapi">GSSAPI</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/authentication_mechanisms.html#gss-spegno">GSS-SPEGNO</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/authentication_mechanisms.html#kerberos-v4">KERBEROS_V4</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/authentication_mechanisms.html#login">LOGIN</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/authentication_mechanisms.html#ntlm">NTLM</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/authentication_mechanisms.html#otp">OTP</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/authentication_mechanisms.html#passdss">PASSDSS</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/authentication_mechanisms.html#plain">PLAIN</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/authentication_mechanisms.html#scram">SCRAM</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/authentication_mechanisms.html#srp">SRP</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/authentication_mechanisms.html#non-sasl-authentication">Non-SASL Authentication</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="sasl/authentication_mechanisms.html#summary">Summary</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="sasl/pwcheck.html">Pwcheck</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/pwcheck.html#auxprop">Auxprop</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/pwcheck.html#auxprop-hashed">Auxprop-hashed</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/pwcheck.html#saslauthd">Saslauthd</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/pwcheck.html#authdaemon">Authdaemon</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/pwcheck.html#alwaystrue">Alwaystrue</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/pwcheck.html#auto-transition">Auto Transition</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="sasl/faq.html">Frequently Asked Questions</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/faqs/authorize-vs-authenticate.html">What is the difference between an Authorization ID and a Authentication ID?</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/faqs/crammd5-digestmd5.html">Why do CRAM-MD5 and DIGEST-MD5 not work with CyrusSaslauthd?</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/faqs/openldap-sasl-gssapi.html">How do I configure OpenLDAP +SASL+GSSAPI?</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/faqs/plaintextpasswords.html">Why does CyrusSasl store plaintext passwords in its databases?</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/faqs/rfcs.html">RFCs and drafts</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/faqs/upgrade-saslv2.html">Why am I having a problem running dbconverter-2 to upgrade from SASLv1 to SASLv2?</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="sasl/resources.html">Other Documentation &amp; Resources</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="developer.html">Developers</a><ul>
<li class="toctree-l2"><a class="reference internal" href="sasl/appconvert.html">Converting Applications from v1 to v2</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/appconvert.html#tips-for-both-clients-and-servers">Tips for both clients and servers</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/appconvert.html#tips-for-clients">Tips for clients</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/appconvert.html#tips-for-servers">Tips for Servers</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="sasl/developer/programming.html">Application Programmer’s Guide</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/programming.html#introduction">Introduction</a><ul>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/programming.html#about-this-guide">About this Guide</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/programming.html#what-is-sasl">What is SASL?</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/programming.html#background">Background</a><ul>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/programming.html#how-did-the-world-work-before-sasl">How did the world work before SASL?</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/programming.html#sasl-to-the-rescue">SASL to the rescue!</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/programming.html#briefly">Briefly</a><ul>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/programming.html#what-is-the-cyrus-sasl-library-good-for">What is the Cyrus SASL library good for?</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/programming.html#what-does-the-cyrus-sasl-library-do">What does the Cyrus SASL library do?</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/programming.html#what-doesn-t-the-cyrus-sasl-library-do">What doesn’t the Cyrus SASL library do?</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/programming.html#client-only-section">Client-only Section</a><ul>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/programming.html#a-typical-interaction-from-the-client-s-perspective">A typical interaction from the client’s perspective</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/programming.html#how-does-this-look-in-code">How does this look in code</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/programming.html#server-only-section">Server-only Section</a><ul>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/programming.html#a-typical-interaction-from-the-server-s-perspective">A typical interaction from the server’s perspective</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/programming.html#id1">How does this look in code?</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/programming.html#common-section">Common Section</a><ul>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/programming.html#callbacks-and-interactions">Callbacks and Interactions</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/programming.html#security-layers">Security layers</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/programming.html#example-applications-that-come-with-the-cyrus-sasl-library">Example applications that come with the Cyrus SASL library</a><ul>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/programming.html#sample-client-and-sample-server"><cite>sample-client</cite> and <cite>sample-server</cite></a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/programming.html#cyrus-imapd-v2-1-0-or-later">Cyrus imapd v2.1.0 or later</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/programming.html#imtest-from-cyrus-2-1-0-or-later"><cite>imtest</cite>, from Cyrus 2.1.0 or later</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/programming.html#miscellaneous-information">Miscellaneous Information</a><ul>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/programming.html#empty-exchanges">Empty exchanges</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/programming.html#idle">Idle</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="sasl/developer/plugprog.html">Plugin Programmer’s Guide</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/plugprog.html#introduction">Introduction</a><ul>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/plugprog.html#about-this-guide">About this Guide</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/plugprog.html#what-is-sasl">What is SASL?</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/plugprog.html#common-section">Common Section</a><ul>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/plugprog.html#overview-of-plugin-programming">Overview of Plugin Programming</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/plugprog.html#use-of-sasl-utils-t">Use of sasl_utils_t</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/plugprog.html#error-reporting">Error Reporting</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/plugprog.html#memory-allocation">Memory Allocation</a></li>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/plugprog.html#client-send-first-server-send-last">Client Send First / Server Send Last</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/plugprog.html#client-plugins">Client Plugins</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/plugprog.html#server-plugins">Server Plugins</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/plugprog.html#user-canonicalization-canon-user-plugins">User Canonicalization (canon_user) Plugins</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/plugprog.html#auxiliary-property-auxprop-plugins">Auxiliary Property (auxprop) Plugins</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="sasl/developer/testing.html">Testing</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/testing.html#testing-the-cmu-sasl-library-with-the-included-sample-applications">Testing the CMU SASL Library with the included sample applications</a><ul>
<li class="toctree-l4"><a class="reference internal" href="sasl/developer/testing.html#example">Example</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/testing.html#running-the-testsuite-application">Running the Testsuite application</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="support.html">Support/Community</a></li>
</ul>
<p class="caption"><span class="caption-text">IMAP</span></p>
<ul>
<li class="toctree-l1"><a class="reference external" href="http://www.cyrusimap.org">Cyrus IMAP</a></li>
</ul>

          
        
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  <div class="section" id="cyrus-sasl">
<span id="sasl-index"></span><h1>Cyrus SASL<a class="headerlink" href="#cyrus-sasl" title="Permalink to this headline">¶</a></h1>
<p>Welcome to Cyrus SASL.</p>
<div class="section" id="what-is-cyrus-sasl">
<h2>What is Cyrus SASL?<a class="headerlink" href="#what-is-cyrus-sasl" title="Permalink to this headline">¶</a></h2>
<p>Simple Authentication and Security Layer (<a class="reference external" href="https://en.wikipedia.org/wiki/Simple_Authentication_and_Security_Layer">SASL</a>) is a specification that describes how authentication mechanisms can be plugged into an application protocol on the wire. Cyrus SASL is an implementation of SASL that makes it easy for application developers to integrate authentication mechanisms into their application in a generic way.</p>
<p>The latest stable version of Cyrus SASL is 2.1.26.</p>
<p><a class="reference external" href="https://www.cyrusimap.org/index.html#imap-index" title="(in Cyrus IMAP v3.0.8)"><span class="xref std std-ref">Cyrus IMAP</span></a> uses Cyrus SASL to provide authentication support to the mail server, however it is just one project using Cyrus SASL.</p>
<div class="section" id="features">
<h3>Features<a class="headerlink" href="#features" title="Permalink to this headline">¶</a></h3>
<p>Cyrus SASL provides a number of authentication plugins out of the box.</p>
<blockquote>
<div>Berkeley DB, GDBM, or NDBM (sasldb), PAM, MySQL, PostgreSQL, SQLite, LDAP, Active Directory(LDAP), DCE, Kerberos 4 and 5, proxied IMAP auth, getpwent, shadow, SIA, Courier Authdaemon, httpform, APOP and SASL mechanisms: ANONYMOUS, CRAM-MD5, DIGEST-MD5, EXTERNAL, GSSAPI, LOGIN, NTLM, OTP, PASSDSS, PLAIN, SR</div></blockquote>
<p>This document is an introduction to <strong>Cyrus SASL</strong>. It is not intended to be an exhaustive reference for the SASL Application Programming Interface (API), which is detailed in the SASL manual pages, and the libsasl.h header file.</p>
</div>
<div class="section" id="known-bugs">
<h3>Known Bugs<a class="headerlink" href="#known-bugs" title="Permalink to this headline">¶</a></h3>
<p><code class="docutils literal"><span class="pre">libtool</span></code> doesn’t always link libraries together.  In our environment,
we only have static Krb5 libraries; the GSSAPI plugin should link
these libraries in on platforms that support it (Solaris and Linux
among them) but it does not.  It also doesn’t always get the runpath
of libraries correct.</p>
<div class="toctree-wrapper compound">
<p class="caption"><span class="caption-text">Cyrus SASL</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="download.html">Download</a><ul>
<li class="toctree-l2"><a class="reference internal" href="getsasl.html">Get SASL</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/installation.html">Installation</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="sasl/release-notes/index.html">Release Notes</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/release-notes/index.html#supported-product-series">Supported Product Series</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/release-notes/index.html#older-versions">Older Versions</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="packager.html">Note for Packagers</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="sasl/quickstart.html">Quickstart guide</a><ul>
<li class="toctree-l2"><a class="reference internal" href="sasl/quickstart.html#features">Features</a></li>
<li class="toctree-l2"><a class="reference internal" href="sasl/quickstart.html#typical-installation">Typical Installation</a></li>
<li class="toctree-l2"><a class="reference internal" href="sasl/quickstart.html#configuration">Configuration</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="sasl/concepts.html">Concepts</a><ul>
<li class="toctree-l2"><a class="reference internal" href="sasl/concepts.html#sasl">SASL</a></li>
<li class="toctree-l2"><a class="reference internal" href="sasl/concepts.html#sasl-authentication-mechanisms">SASL Authentication Mechanisms</a></li>
<li class="toctree-l2"><a class="reference internal" href="sasl/concepts.html#security-layers">Security Layers</a></li>
<li class="toctree-l2"><a class="reference internal" href="sasl/concepts.html#channel-binding">Channel Binding</a></li>
<li class="toctree-l2"><a class="reference internal" href="sasl/concepts.html#realms">Realms</a></li>
<li class="toctree-l2"><a class="reference internal" href="sasl/concepts.html#protocols">Protocols</a></li>
<li class="toctree-l2"><a class="reference internal" href="sasl/concepts.html#cyrus-sasl">Cyrus SASL</a></li>
<li class="toctree-l2"><a class="reference internal" href="sasl/concepts.html#the-glue-library">The Glue Library</a></li>
<li class="toctree-l2"><a class="reference internal" href="sasl/concepts.html#auxiliary-properties">Auxiliary Properties</a></li>
<li class="toctree-l2"><a class="reference internal" href="sasl/concepts.html#plugins">Plugins</a></li>
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<li class="toctree-l1"><a class="reference internal" href="setup.html">Setup</a><ul>
<li class="toctree-l2"><a class="reference internal" href="sasl/installation.html">Installation</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/installation.html#quick-install-guide">Quick install guide</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/installation.html#detailed-installation-guide">Detailed installation guide</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/installation.html#supported-platforms">Supported platforms</a></li>
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<li class="toctree-l2"><a class="reference internal" href="sasl/upgrading.html">Upgrading from v1 to v2</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/upgrading.html#backwards-compatibility">Backwards Compatibility</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/upgrading.html#coexistence-with-saslv1">Coexistence with SASLv1</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/upgrading.html#database-upgrades">Database Upgrades</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/upgrading.html#errors-on-migration">Errors on migration</a></li>
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<li class="toctree-l2"><a class="reference internal" href="sasl/components.html">Components</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/components.html#the-application">The Application</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/components.html#the-sasl-glue-layer">The SASL Glue Layer</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/components.html#plugins">Plugins</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/components.html#password-verification-services">Password Verification Services</a></li>
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</li>
<li class="toctree-l2"><a class="reference internal" href="sasl/options.html">Options</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/options.html#sasl-library">SASL Library</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/options.html#auxiliary-property-plugin">Auxiliary Property Plugin</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/options.html#gssapi">GSSAPI</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/options.html#ldapdb">LDAPDB</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/options.html#ntlm">NTLM</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/options.html#otp">OTP</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/options.html#digest-md5">Digest-md5</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/options.html#sasldb">SASLDB</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/options.html#sql-plugin">SQL Plugin</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/options.html#srp">SRP</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/options.html#kerberos-v4">Kerberos V4</a></li>
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<li class="toctree-l2"><a class="reference internal" href="sasl/advanced.html">Advanced Usage</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/advanced.html#notes-for-advanced-usage-of-libsasl">Notes for Advanced Usage of libsasl</a></li>
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<li class="toctree-l1"><a class="reference internal" href="operations.html">Operations</a><ul>
<li class="toctree-l2"><a class="reference internal" href="sasl/sysadmin.html">System Administrators</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/sysadmin.html#what-sasl-is">What SASL is</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/sysadmin.html#how-sasl-works">How SASL works</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/sysadmin.html#auxiliary-properties">Auxiliary Properties</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/sysadmin.html#how-to-set-configuration-options">How to set configuration options</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/sysadmin.html#troubleshooting">Troubleshooting</a></li>
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<li class="toctree-l2"><a class="reference internal" href="sasl/manpages.html">Man pages</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/manpages.html#library-files">(3) Library Files</a></li>
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<li class="toctree-l2"><a class="reference internal" href="sasl/auxiliary_properties.html">Auxiliary Properties</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/auxiliary_properties.html#auxiliary-properties-and-the-glue-layer">Auxiliary Properties and the Glue Layer</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/auxiliary_properties.html#passwords-and-other-data">Passwords and other Data</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/auxiliary_properties.html#sasldb">sasldb</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/auxiliary_properties.html#ldapdb">ldapdb</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/auxiliary_properties.html#sql">sql</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/auxiliary_properties.html#user-canonicalization">User Canonicalization</a></li>
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<li class="toctree-l2"><a class="reference internal" href="sasl/authentication_mechanisms.html">Authentication Mechanisms</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/authentication_mechanisms.html#mechanisms">Mechanisms</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/authentication_mechanisms.html#summary">Summary</a></li>
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<li class="toctree-l2"><a class="reference internal" href="sasl/pwcheck.html">Pwcheck</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/pwcheck.html#auxprop">Auxprop</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/pwcheck.html#auxprop-hashed">Auxprop-hashed</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/pwcheck.html#saslauthd">Saslauthd</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/pwcheck.html#authdaemon">Authdaemon</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/pwcheck.html#alwaystrue">Alwaystrue</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/pwcheck.html#auto-transition">Auto Transition</a></li>
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<li class="toctree-l2"><a class="reference internal" href="sasl/faq.html">Frequently Asked Questions</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/faqs/authorize-vs-authenticate.html">What is the difference between an Authorization ID and a Authentication ID?</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/faqs/crammd5-digestmd5.html">Why do CRAM-MD5 and DIGEST-MD5 not work with CyrusSaslauthd?</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/faqs/openldap-sasl-gssapi.html">How do I configure OpenLDAP +SASL+GSSAPI?</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/faqs/plaintextpasswords.html">Why does CyrusSasl store plaintext passwords in its databases?</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/faqs/rfcs.html">RFCs and drafts</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/faqs/upgrade-saslv2.html">Why am I having a problem running dbconverter-2 to upgrade from SASLv1 to SASLv2?</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="sasl/resources.html">Other Documentation &amp; Resources</a></li>
</ul>
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<li class="toctree-l1"><a class="reference internal" href="developer.html">Developers</a><ul>
<li class="toctree-l2"><a class="reference internal" href="sasl/appconvert.html">Converting Applications from v1 to v2</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/appconvert.html#tips-for-both-clients-and-servers">Tips for both clients and servers</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/appconvert.html#tips-for-clients">Tips for clients</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/appconvert.html#tips-for-servers">Tips for Servers</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="sasl/developer/programming.html">Application Programmer’s Guide</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/programming.html#introduction">Introduction</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/programming.html#background">Background</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/programming.html#briefly">Briefly</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/programming.html#client-only-section">Client-only Section</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/programming.html#server-only-section">Server-only Section</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/programming.html#common-section">Common Section</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/programming.html#example-applications-that-come-with-the-cyrus-sasl-library">Example applications that come with the Cyrus SASL library</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/programming.html#miscellaneous-information">Miscellaneous Information</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="sasl/developer/plugprog.html">Plugin Programmer’s Guide</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/plugprog.html#introduction">Introduction</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/plugprog.html#common-section">Common Section</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/plugprog.html#client-plugins">Client Plugins</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/plugprog.html#server-plugins">Server Plugins</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/plugprog.html#user-canonicalization-canon-user-plugins">User Canonicalization (canon_user) Plugins</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/plugprog.html#auxiliary-property-auxprop-plugins">Auxiliary Property (auxprop) Plugins</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="sasl/developer/testing.html">Testing</a><ul>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/testing.html#testing-the-cmu-sasl-library-with-the-included-sample-applications">Testing the CMU SASL Library with the included sample applications</a></li>
<li class="toctree-l3"><a class="reference internal" href="sasl/developer/testing.html#running-the-testsuite-application">Running the Testsuite application</a></li>
</ul>
</li>
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<li class="toctree-l1"><a class="reference internal" href="support.html">Support/Community</a></li>
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<p class="caption"><span class="caption-text">IMAP</span></p>
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<li class="toctree-l1"><a class="reference external" href="http://www.cyrusimap.org">Cyrus IMAP</a></li>
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