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<li class="toctree-l4"><a class="reference internal" href="reference/manpages/library/sasl.html"><strong>SASL</strong> - SASL Authentication Library</a></li>
<li class="toctree-l4"><a class="reference internal" href="reference/manpages/library/sasl_authorize_t.html"><strong>sasl_authorize_t</strong> - The SASL authorization callback</a></li>
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<li class="toctree-l4"><a class="reference internal" href="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="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="reference/manpages/library/sasl_checkapop.html"><strong>sasl_checkapop</strong> - Check an APOP challenge/response</a></li>
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<li class="toctree-l4"><a class="reference internal" href="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="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="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="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="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="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="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="reference/manpages/library/sasl_decode.html"><strong>sasl_decode</strong> - Decode data received</a></li>
<li class="toctree-l4"><a class="reference internal" href="reference/manpages/library/sasl_decode64.html"><strong>sasl_decode64</strong> - Decode base64 string</a></li>
<li class="toctree-l4"><a class="reference internal" href="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="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="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="reference/manpages/library/sasl_encode64.html"><strong>sasl_encode64</strong> - Encode base64 string</a></li>
<li class="toctree-l4"><a class="reference internal" href="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="reference/manpages/library/sasl_erasebuffer.html"><strong>sasl_erasebuffer</strong> - erase buffer</a></li>
<li class="toctree-l4"><a class="reference internal" href="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="reference/manpages/library/sasl_errors.html"><strong>sasl_errors</strong> - SASL error codes</a></li>
<li class="toctree-l4"><a class="reference internal" href="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="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="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="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="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="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="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="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="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="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="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="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="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="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="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="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="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="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="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="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="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="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="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="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="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="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="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="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="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="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="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="auxiliary_properties.html">Auxiliary Properties</a><ul>
<li class="toctree-l3"><a class="reference internal" href="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="auxiliary_properties.html#passwords-and-other-data">Passwords and other Data</a></li>
<li class="toctree-l3"><a class="reference internal" href="auxiliary_properties.html#sasldb">sasldb</a></li>
<li class="toctree-l3"><a class="reference internal" href="auxiliary_properties.html#ldapdb">ldapdb</a></li>
<li class="toctree-l3"><a class="reference internal" href="auxiliary_properties.html#sql">sql</a></li>
<li class="toctree-l3"><a class="reference internal" href="auxiliary_properties.html#user-canonicalization">User Canonicalization</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="authentication_mechanisms.html">Authentication Mechanisms</a><ul>
<li class="toctree-l3"><a class="reference internal" href="authentication_mechanisms.html#mechanisms">Mechanisms</a><ul>
<li class="toctree-l4"><a class="reference internal" href="authentication_mechanisms.html#anonymous">ANONYMOUS</a></li>
<li class="toctree-l4"><a class="reference internal" href="authentication_mechanisms.html#cram-md5">CRAM-MD5</a></li>
<li class="toctree-l4"><a class="reference internal" href="authentication_mechanisms.html#digest-md5">DIGEST-MD5</a></li>
<li class="toctree-l4"><a class="reference internal" href="authentication_mechanisms.html#external">EXTERNAL</a></li>
<li class="toctree-l4"><a class="reference internal" href="authentication_mechanisms.html#g2">G2</a></li>
<li class="toctree-l4"><a class="reference internal" href="authentication_mechanisms.html#gssapi">GSSAPI</a></li>
<li class="toctree-l4"><a class="reference internal" href="authentication_mechanisms.html#gss-spegno">GSS-SPEGNO</a></li>
<li class="toctree-l4"><a class="reference internal" href="authentication_mechanisms.html#kerberos-v4">KERBEROS_V4</a></li>
<li class="toctree-l4"><a class="reference internal" href="authentication_mechanisms.html#login">LOGIN</a></li>
<li class="toctree-l4"><a class="reference internal" href="authentication_mechanisms.html#ntlm">NTLM</a></li>
<li class="toctree-l4"><a class="reference internal" href="authentication_mechanisms.html#otp">OTP</a></li>
<li class="toctree-l4"><a class="reference internal" href="authentication_mechanisms.html#passdss">PASSDSS</a></li>
<li class="toctree-l4"><a class="reference internal" href="authentication_mechanisms.html#plain">PLAIN</a></li>
<li class="toctree-l4"><a class="reference internal" href="authentication_mechanisms.html#scram">SCRAM</a></li>
<li class="toctree-l4"><a class="reference internal" href="authentication_mechanisms.html#srp">SRP</a></li>
<li class="toctree-l4"><a class="reference internal" href="authentication_mechanisms.html#non-sasl-authentication">Non-SASL Authentication</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="authentication_mechanisms.html#summary">Summary</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="pwcheck.html">Pwcheck</a><ul>
<li class="toctree-l3"><a class="reference internal" href="pwcheck.html#auxprop">Auxprop</a></li>
<li class="toctree-l3"><a class="reference internal" href="pwcheck.html#auxprop-hashed">Auxprop-hashed</a></li>
<li class="toctree-l3"><a class="reference internal" href="pwcheck.html#saslauthd">Saslauthd</a></li>
<li class="toctree-l3"><a class="reference internal" href="pwcheck.html#authdaemon">Authdaemon</a></li>
<li class="toctree-l3"><a class="reference internal" href="pwcheck.html#alwaystrue">Alwaystrue</a></li>
<li class="toctree-l3"><a class="reference internal" href="pwcheck.html#auto-transition">Auto Transition</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="faq.html">Frequently Asked Questions</a><ul>
<li class="toctree-l3"><a class="reference internal" href="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="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="faqs/openldap-sasl-gssapi.html">How do I configure OpenLDAP +SASL+GSSAPI?</a></li>
<li class="toctree-l3"><a class="reference internal" href="faqs/plaintextpasswords.html">Why does CyrusSasl store plaintext passwords in its databases?</a></li>
<li class="toctree-l3"><a class="reference internal" href="faqs/rfcs.html">RFCs and drafts</a></li>
<li class="toctree-l3"><a class="reference internal" href="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="resources.html">Other Documentation & 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="appconvert.html">Converting Applications from v1 to v2</a><ul>
<li class="toctree-l3"><a class="reference internal" href="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="appconvert.html#tips-for-clients">Tips for clients</a></li>
<li class="toctree-l3"><a class="reference internal" href="appconvert.html#tips-for-servers">Tips for Servers</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="developer/programming.html">Application Programmer’s Guide</a><ul>
<li class="toctree-l3"><a class="reference internal" href="developer/programming.html#introduction">Introduction</a><ul>
<li class="toctree-l4"><a class="reference internal" href="developer/programming.html#about-this-guide">About this Guide</a></li>
<li class="toctree-l4"><a class="reference internal" href="developer/programming.html#what-is-sasl">What is SASL?</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="developer/programming.html#background">Background</a><ul>
<li class="toctree-l4"><a class="reference internal" href="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="developer/programming.html#sasl-to-the-rescue">SASL to the rescue!</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="developer/programming.html#briefly">Briefly</a><ul>
<li class="toctree-l4"><a class="reference internal" href="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="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="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="developer/programming.html#client-only-section">Client-only Section</a><ul>
<li class="toctree-l4"><a class="reference internal" href="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="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="developer/programming.html#server-only-section">Server-only Section</a><ul>
<li class="toctree-l4"><a class="reference internal" href="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="developer/programming.html#id1">How does this look in code?</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="developer/programming.html#common-section">Common Section</a><ul>
<li class="toctree-l4"><a class="reference internal" href="developer/programming.html#callbacks-and-interactions">Callbacks and Interactions</a></li>
<li class="toctree-l4"><a class="reference internal" href="developer/programming.html#security-layers">Security layers</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="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="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="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="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="developer/programming.html#miscellaneous-information">Miscellaneous Information</a><ul>
<li class="toctree-l4"><a class="reference internal" href="developer/programming.html#empty-exchanges">Empty exchanges</a></li>
<li class="toctree-l4"><a class="reference internal" href="developer/programming.html#idle">Idle</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="developer/plugprog.html">Plugin Programmer’s Guide</a><ul>
<li class="toctree-l3"><a class="reference internal" href="developer/plugprog.html#introduction">Introduction</a><ul>
<li class="toctree-l4"><a class="reference internal" href="developer/plugprog.html#about-this-guide">About this Guide</a></li>
<li class="toctree-l4"><a class="reference internal" href="developer/plugprog.html#what-is-sasl">What is SASL?</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="developer/plugprog.html#common-section">Common Section</a><ul>
<li class="toctree-l4"><a class="reference internal" href="developer/plugprog.html#overview-of-plugin-programming">Overview of Plugin Programming</a></li>
<li class="toctree-l4"><a class="reference internal" href="developer/plugprog.html#use-of-sasl-utils-t">Use of sasl_utils_t</a></li>
<li class="toctree-l4"><a class="reference internal" href="developer/plugprog.html#error-reporting">Error Reporting</a></li>
<li class="toctree-l4"><a class="reference internal" href="developer/plugprog.html#memory-allocation">Memory Allocation</a></li>
<li class="toctree-l4"><a class="reference internal" href="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="developer/plugprog.html#client-plugins">Client Plugins</a></li>
<li class="toctree-l3"><a class="reference internal" href="developer/plugprog.html#server-plugins">Server Plugins</a></li>
<li class="toctree-l3"><a class="reference internal" href="developer/plugprog.html#user-canonicalization-canon-user-plugins">User Canonicalization (canon_user) Plugins</a></li>
<li class="toctree-l3"><a class="reference internal" href="developer/plugprog.html#auxiliary-property-auxprop-plugins">Auxiliary Property (auxprop) Plugins</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="developer/testing.html">Testing</a><ul>
<li class="toctree-l3"><a class="reference internal" href="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="developer/testing.html#example">Example</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="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>
</div>
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<li><a href="../index.html">Docs v2.1.27</a> »</li>
<li><a href="../setup.html">Setup</a> »</li>
<li>Upgrading from v1 to v2</li>
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<div class="section" id="upgrading-from-v1-to-v2">
<span id="upgrading-v1-v2"></span><h1>Upgrading from v1 to v2<a class="headerlink" href="#upgrading-from-v1-to-v2" title="Permalink to this headline">¶</a></h1>
<p>This document covers issues with upgrading from SASLv1 to SASLv2.
To upgrade:</p>
<ul>
<li><p class="first">Install Cyrus SASL v2 as normal according to the <a class="reference internal" href="installation.html#installation"><span class="std std-ref">installation guide</span></a>.
This will overwrite
some manpages, but will not affect your current applications. Do NOT
attempt to make it use the same directories, otherwise old Cyrus SASLv1
applications will no longer function.</p>
</li>
<li><p class="first">Install your new Cyrus SASL v2 applications. Applications that
use Cyrus SASLv1 will <em>not</em> use the Cyrus SASL v2
infrastructure (and vice-versa).</p>
</li>
<li><p class="first">If you used <code class="docutils literal"><span class="pre">/etc/sasldb</span></code> for authentication, you’ll need
to take the following steps to convert to using <code class="docutils literal"><span class="pre">/etc/sasldb2</span></code>
with Cyrus SASL v2:</p>
<blockquote>
<div><ol class="arabic simple">
<li>run <code class="docutils literal"><span class="pre">utils/dbconverter-2</span></code> after installation.</li>
<li>change the <code class="docutils literal"><span class="pre">pwcheck_method</span></code> in any config files to
<code class="docutils literal"><span class="pre">auxprop</span></code></li>
<li>(optional) add <code class="docutils literal"><span class="pre">auxprop_plugin</span></code> to the config files,
set to <code class="docutils literal"><span class="pre">sasldb</span></code></li>
</ol>
</div></blockquote>
</li>
<li><p class="first">If you used <code class="docutils literal"><span class="pre">passwd</span></code>, <code class="docutils literal"><span class="pre">shadow</span></code>, <code class="docutils literal"><span class="pre">pam</span></code>,
<code class="docutils literal"><span class="pre">kerberos_v4</span></code> or <code class="docutils literal"><span class="pre">sia</span></code> as your <code class="docutils literal"><span class="pre">pwcheck_method</span></code>
in libsasl v1, you’ll need to convert to using
<code class="docutils literal"><span class="pre">saslauthd</span></code>. Arrange to start <code class="docutils literal"><span class="pre">saslauthd</span> <span class="pre">-a</span>
<span class="pre"><method></span></code> on boot. Change <code class="docutils literal"><span class="pre">pwcheck_method</span></code> in any
configuration files to <code class="docutils literal"><span class="pre">saslauthd</span></code>.</p>
</li>
<li><p class="first">If you used <code class="docutils literal"><span class="pre">pwcheck</span></code> with libsasl v1, you can either
continue to use <code class="docutils literal"><span class="pre">pwcheck</span></code> with libsasl v1 or you can switch to
<code class="docutils literal"><span class="pre">saslauthd</span></code>, which offers more flexibility and a potentially
much more efficient implementation.</p>
</li>
<li><p class="first">If you are continuing to use some libsasl v1 applications, read
onwards to understand the ramifications.</p>
</li>
<li><p class="first">If you want to learn how to port applications from libsasl v1 to
libsasl v2, you should read the <a class="reference internal" href="appconvert.html#appconvert"><span class="std std-ref">converting applications guide</span></a>.</p>
</li>
</ul>
<div class="section" id="backwards-compatibility">
<h2>Backwards Compatibility<a class="headerlink" href="#backwards-compatibility" title="Permalink to this headline">¶</a></h2>
<p>Cyrus SASLv2 is incompatible with applications that use
Cyrus SASLv1. This means that applications are unable to
simultaneously link both versions of the library, and developers are
encouraged to instead develop or upgrade their applications to link
against the new libsasl.</p>
<p>Likewise, the format for the sasldb database has been completely
revamped. See <a class="reference internal" href="#upgrading-db"><span class="std std-ref">here</span></a> for a discussion of the relevant
upgrade issues related to sasldb. All new passwords stored in the
sasldb database will be in plaintext, meaning that a compromised
sasldb will compromise all services with the same passwords. (This
situation isn’t significantly worse, cryptographically speaking, than
the old method and allows the database to be easy to transition to
another format, when the need arises.) Mechanisms requiring a more
secure password database backend (e.g. SRP) should implement their own
or use alternate property names within sasldb.</p>
</div>
<div class="section" id="coexistence-with-saslv1">
<span id="coexist"></span><h2>Coexistence with SASLv1<a class="headerlink" href="#coexistence-with-saslv1" title="Permalink to this headline">¶</a></h2>
<p>The two library versions and the associated utilities should be able
to coexist on the same system. The man pages will be unable to
coexist (but luckily the new manpages are much better!). The libsasl
v2-specific utilities have had a “2” appended to their name for this
purpose (e.g. <code class="docutils literal"><span class="pre">saslpasswd2</span></code>, <code class="docutils literal"><span class="pre">sasldblistusers2</span></code>). The
new-style sasldb now defaults to the name <code class="docutils literal"><span class="pre">/etc/sasldb2</span></code>, but
this is configurable.</p>
</div>
<div class="section" id="database-upgrades">
<span id="upgrading-db"></span><h2>Database Upgrades<a class="headerlink" href="#database-upgrades" title="Permalink to this headline">¶</a></h2>
<p>While there does not seem to be any conflict with the keys stored in
the database, it is not recommended for both versions of the library
to use the same database file. Included in the utils directory is a
program called <code class="docutils literal"><span class="pre">dbconverter-2</span></code> which will allow you to convert
from the old-format database to the new format. Note that if you continue to
run older applications that rely on Cyrus SASLv1, the databases for SASLv1
and SASLv2 will not automatically be kept in sync.</p>
</div>
<div class="section" id="errors-on-migration">
<h2>Errors on migration<a class="headerlink" href="#errors-on-migration" title="Permalink to this headline">¶</a></h2>
<p>When migrating the <code class="docutils literal"><span class="pre">/etc/sasldb</span></code> database using the <code class="docutils literal"><span class="pre">utils/dbconverter-2</span></code>
utility, you may encounter the error message “Error opening password
file”. This is usually due to the fact your SASL V1 library was compiled
using a different version of Berkeley DB than the SASL V2 library.
You can work around this by using Berkeley DB’s db_upgrade utility
(possibly chaining the DB3 and DB4 upgrade utilities) to upgrade a copy
of sasldb prior to conversion using dbconverter-2.</p>
<p>Here is the script we use at our installation, where SASL has to
coexist with SASL2:</p>
<div class="highlight-default"><div class="highlight"><pre><span></span>!/bin/sh
cp /etc/sasldb /tmp/sasldb.$$
/usr/local/BerkeleyDB.4/bin/db_upgrade /etc/sasldb
echo ""|/usr/local/sasl/sbin/dbconverter-2
cp /tmp/sasldb.$$ /etc/sasldb
</pre></div>
</div>
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