2002-02-17 21:56:45 +00:00
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<html>
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<head><title>smfi_setconn</title></head>
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<body>
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2004-08-01 01:04:57 +00:00
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$Id: smfi_setconn.html,v 1.14 2003/05/26 05:09:16 gshapiro Exp $
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-->
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2002-02-17 21:56:45 +00:00
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<h1>smfi_setconn</h1>
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<table border="0" cellspacing=4 cellpadding=4>
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<!---------- Synopsis ----------->
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<tr><th valign="top" align=left width=150>SYNOPSIS</th><td>
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<pre>
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#include <libmilter/mfapi.h>
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int smfi_setconn(
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char *oconn;
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);
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</pre>
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Set the socket through which this filter should communicate with sendmail.
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</td></tr>
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<!----------- Description ---------->
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<tr><th valign="top" align=left>DESCRIPTION</th><td>
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<table border="1" cellspacing=1 cellpadding=4>
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<tr align="left" valign=top>
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<th width="80">Called When</th>
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<td>smfi_setconn must be called once before <a href="smfi_main.html">smfi_main</a>.</td>
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</tr>
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<tr align="left" valign=top>
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<th width="80">Effects</th>
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<td>Sets the socket through which the filter communicates with sendmail.</td>
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</tr>
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</table>
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<!----------- Arguments ---------->
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<tr><th valign="top" align=left>ARGUMENTS</th><td>
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<table border="1" cellspacing=0>
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<tr bgcolor="#dddddd"><th>Argument</th><th>Description</th></tr>
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<tr valign="top"><td>oconn</td>
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<td>The address of the desired communication socket.
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The address should be a NULL-terminated string in "proto:address"
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format:
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<ul>
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<li><code>{unix|local}:/path/to/file</code> -- A named pipe.
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<li><code>inet:port@{hostname|ip-address}</code> -- An IPV4 socket.
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<li><code>inet6:port@{hostname|ip-address}</code> -- An IPV6 socket.
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</ul>
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</td></tr>
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</table>
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</td></tr>
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<!----------- Return values ---------->
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<tr>
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<th valign="top" align=left>RETURN VALUES</th>
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2003-03-29 19:12:53 +00:00
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<td>smfi_setconn will not fail on an invalid address.
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The failure will only be detected in <a href="smfi_main.html">smfi_main</a></td>.
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Nevertheless, smfi_setconn may fail for other reasons, e.g.,
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due to a lack of memory.
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2002-02-17 21:56:45 +00:00
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</tr>
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<tr>
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<th valign="top" align=left>NOTES</th>
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<td>
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2003-03-29 19:12:53 +00:00
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<ul>
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<li>If possible, filters should not run as root when communicating
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over unix/local domain sockets.
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<li>Unix/local sockets should have their permissions set to
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0600 (read/write permission only for the socket's owner) or
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0660 (read/write permission for the socket's owner and group)
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which is useful if the sendmail RunAsUser option is used.
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The permissions for a unix/local domain socket are determined as
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2003-09-19 23:11:30 +00:00
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usual by <code>umask</code>, which should be set to 007 or 077.
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Note some operating systems (e.g, Solaris) don't use the
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permissions of the socket. On those systems, place the socket in a
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protected directory.
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2002-02-17 21:56:45 +00:00
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</ul>
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</td>
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</tr>
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</table>
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<hr size="1">
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<font size="-1">
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2003-03-29 19:12:53 +00:00
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Copyright (c) 2000, 2003 Sendmail, Inc. and its suppliers.
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2002-02-17 21:56:45 +00:00
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All rights reserved.
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<br>
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By using this file, you agree to the terms and conditions set
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2003-03-29 19:12:53 +00:00
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forth in the LICENSE.
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2002-02-17 21:56:45 +00:00
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</font>
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</body>
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</html>
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