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This guide is not obsolete but needs an update. Signed-off-by: Karolin Seeger <kseeger@samba.org> Reviewed-by: Andreas Schneider <asn@samba.org> Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org> Autobuild-Date(master): Wed May 10 19:57:36 CEST 2017 on sn-devel-144
91 lines
2.8 KiB
XML
91 lines
2.8 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!DOCTYPE chapter PUBLIC "-//Samba-Team//DTD DocBook V4.2-Based Variant V1.0//EN" "http://www.samba.org/samba/DTD/samba-doc">
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<chapter id="rpc-plugin">
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<chapterinfo>
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<author>
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<firstname>Anthony</firstname><surname>Liguori</surname>
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<affiliation>
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<orgname>IBM</orgname>
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<address><email>aliguor@us.ibm.com</email></address>
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</affiliation>
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</author>
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<author>
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<firstname>Jelmer</firstname><surname>Vernooij</surname>
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<affiliation>
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<orgname>Samba Team</orgname>
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<address><email>jelmer@samba.org</email></address>
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</affiliation>
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</author>
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<pubdate>January 2003</pubdate>
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</chapterinfo>
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<title>RPC Pluggable Modules</title>
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<sect1>
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<title>About</title>
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<para>
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This document describes how to make use the new RPC Pluggable Modules features
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of Samba 3.0. This architecture was added to increase the maintainability of
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Samba allowing RPC Pipes to be worked on separately from the main CVS branch.
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The RPM architecture will also allow third-party vendors to add functionality
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to Samba through plug-ins.
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</para>
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</sect1>
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<sect1>
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<title>General Overview</title>
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<para>
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When an RPC call is sent to smbd, smbd tries to load a shared library by the
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name <filename>librpc_<pipename>.so</filename> to handle the call if
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it doesn't know how to handle the call internally. For instance, LSA calls
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are handled by <filename>librpc_lsass.so</filename>..
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These shared libraries should be located in the <filename><sambaroot>/lib/rpc</filename>. smbd then attempts to call the init_module function within
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the shared library. Check the chapter on modules for more information.
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</para>
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<para>
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In the init_module function, the library should call
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rpc_pipe_register_commands(). This function takes the following arguments:
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</para>
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<para><programlisting>
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NTSTATUS rpc_pipe_register_commands(int version, const char *clnt, const char *srv,
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const struct api_struct *cmds, int size);
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</programlisting></para>
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<variablelist>
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<varlistentry><term>version</term>
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<listitem><para>Version number of the RPC interface. Use the define <emphasis>SMB_RPC_INTERFACE_VERSION</emphasis> for this
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argument.</para></listitem>
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</varlistentry>
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<varlistentry><term>clnt</term>
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<listitem><para>the Client name of the named pipe</para></listitem>
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</varlistentry>
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<varlistentry><term>srv</term>
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<listitem><para>the Server name of the named pipe</para></listitem>
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</varlistentry>
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<varlistentry><term>cmds</term>
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<listitem><para>a list of api_structs that map RPC ordinal numbers to function calls</para></listitem>
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</varlistentry>
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<varlistentry><term>size</term>
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<listitem><para>the number of api_structs contained in cmds</para></listitem>
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</varlistentry>
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</variablelist>
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<para>
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See rpc_server/srv_reg.c and rpc_server/srv_reg_nt.c for a small example of
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how to use this library.
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</para>
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</sect1>
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</chapter>
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