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diff --git a/docs/manpages-3/ntlm_auth.1.xml b/docs/manpages-3/ntlm_auth.1.xml new file mode 100644 index 0000000000..85052fb71a --- /dev/null +++ b/docs/manpages-3/ntlm_auth.1.xml @@ -0,0 +1,406 @@ +<?xml version="1.0" encoding="iso-8859-1"?> +<!DOCTYPE refentry PUBLIC "-//Samba-Team//DTD DocBook V4.2-Based Variant V1.0//EN" "http://www.samba.org/samba/DTD/samba-doc"> +<refentry id="ntlm-auth.1"> + +<refmeta> + <refentrytitle>ntlm_auth</refentrytitle> + <manvolnum>1</manvolnum> +</refmeta> + + +<refnamediv> + <refname>ntlm_auth</refname> + <refpurpose>tool to allow external access to Winbind's NTLM authentication function</refpurpose> +</refnamediv> + +<refsynopsisdiv> + <cmdsynopsis> + <command>ntlm_auth</command> + <arg choice="opt">-d debuglevel</arg> + <arg choice="opt">-l logdir</arg> + <arg choice="opt">-s <smb config file></arg> + </cmdsynopsis> +</refsynopsisdiv> + +<refsect1> + <title>DESCRIPTION</title> + + <para>This tool is part of the <citerefentry><refentrytitle>samba</refentrytitle> + <manvolnum>7</manvolnum></citerefentry> suite.</para> + + <para><command>ntlm_auth</command> is a helper utility that authenticates + users using NT/LM authentication. It returns 0 if the users is authenticated + successfully and 1 if access was denied. ntlm_auth uses winbind to access + the user and authentication data for a domain. This utility + is only indended to be used by other programs (currently + <ulink url="http://www.squid-cache.org/">Squid</ulink> + and <ulink url="http://download.samba.org/ftp/unpacked/lorikeet/trunk/mod_ntlm_winbind/">mod_ntlm_winbind</ulink>) + </para> +</refsect1> + +<refsect1> + <title>OPERATIONAL REQUIREMENTS</title> + + <para> + The <citerefentry><refentrytitle>winbindd</refentrytitle> + <manvolnum>8</manvolnum></citerefentry> daemon must be operational + for many of these commands to function.</para> + + <para>Some of these commands also require access to the directory + <filename>winbindd_privileged</filename> in + <filename>$LOCKDIR</filename>. This should be done either by running + this command as root or providing group access + to the <filename>winbindd_privileged</filename> directory. For + security reasons, this directory should not be world-accessable. </para> + +</refsect1> + + +<refsect1> + <title>OPTIONS</title> + + <variablelist> + <varlistentry> + <term>--helper-protocol=PROTO</term> + <listitem><para> + Operate as a stdio-based helper. Valid helper protocols are: + </para> + <variablelist> + <varlistentry> + <term>squid-2.4-basic</term> + <listitem><para> + Server-side helper for use with Squid 2.4's basic (plaintext) + authentication. </para> + </listitem> + </varlistentry> + <varlistentry> + <term>squid-2.5-basic</term> + <listitem><para> + Server-side helper for use with Squid 2.5's basic (plaintext) + authentication. </para> + </listitem> + </varlistentry> + <varlistentry> + <term>squid-2.5-ntlmssp</term> + <listitem><para> + Server-side helper for use with Squid 2.5's NTLMSSP + authentication. </para> + <para>Requires access to the directory + <filename>winbindd_privileged</filename> in + <filename>$LOCKDIR</filename>. The protocol used is + described here: <ulink + url="http://devel.squid-cache.org/ntlm/squid_helper_protocol.html">http://devel.squid-cache.org/ntlm/squid_helper_protocol.html</ulink>. + This protocol has been extended to allow the + NTLMSSP Negotiate packet to be included as an argument + to the <command>YR</command> command. (Thus avoiding + loss of information in the protocol exchange). + </para> + </listitem> + </varlistentry> + <varlistentry> + <term>ntlmssp-client-1</term> + <listitem><para> + Client-side helper for use with arbitary external + programs that may wish to use Samba's NTLMSSP + authentication knowlege. </para> + <para>This helper is a client, and as such may be run by any + user. The protocol used is + effectivly the reverse of the previous protocol. A + <command>YR</command> command (without any arguments) + starts the authentication exchange. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term>gss-spnego</term> + <listitem><para> + Server-side helper that implements GSS-SPNEGO. This + uses a protocol that is almost the same as + <command>squid-2.5-ntlmssp</command>, but has some + subtle differences that are undocumented outside the + source at this stage. + </para> + <para>Requires access to the directory + <filename>winbindd_privileged</filename> in + <filename>$LOCKDIR</filename>. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term>gss-spnego-client</term> + <listitem><para> + Client-side helper that implements GSS-SPNEGO. This + also uses a protocol similar to the above helpers, but + is currently undocumented. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term>ntlm-server-1</term> + <listitem><para> + Server-side helper protocol, intended for use by a + RADIUS server or the 'winbind' plugin for pppd, for + the provision of MSCHAP and MSCHAPv2 authentication. + </para> + <para>This protocol consists of lines in for form: + <command>Parameter: value</command> and <command>Paramter:: + Base64-encode value</command>. The presence of a single + period <command>.</command> indicates that one side has + finished supplying data to the other. (Which in turn + could cause the helper to authenticate the + user). </para> + + <para>Curently implemented parameters from the + external program to the helper are:</para> + <variablelist> + <varlistentry> + <term>Username</term> + + <listitem><para>The username, expected to be in + Samba's <smbconfoption name="unix charset"/>. + </para> + + <para><example>Username: bob</example></para> + <para><example>Username:: Ym9i</example></para> + </listitem></varlistentry> + + <varlistentry> + <term>Username</term> + <listitem><para>The user's domain, expected to be in + Samba's <smbconfoption name="unix charset"/>. + </para> + + <para><example>Domain: WORKGROUP</example></para> + <para><example>Domain:: V09SS0dST1VQ</example></para> + </listitem></varlistentry> + + <varlistentry> + <term>Full-Username</term> + <listitem><para>The fully qualified username, expected to be in + Samba's <smbconfoption><name>unix + charset</name></smbconfoption> and qualified with the + <smbconfoption name="winbind separator"/>. + </para> + + <para><example>Full-Username: WORKGROUP\bob</example></para> + <para><example>Full-Username:: V09SS0dST1VQYm9i</example></para> + </listitem></varlistentry> + + <varlistentry> + <term>LANMAN-Challenge</term> + + <listitem><para>The 8 byte <command>LANMAN Challenge</command> value, + generated randomly by the server, or (in cases such as + MSCHAPv2) generated in some way by both the server and + the client. + </para> + <para><example>LANMAN-Challege: 0102030405060708</example></para> + </listitem></varlistentry> + + <varlistentry> + <term>LANMAN-Response</term> + + <listitem><para>The 24 byte <command>LANMAN Response</command> value, + calculated from the user's password and the supplied + <command>LANMAN Challenge</command>. Typically, this + is provided over the network by a client wishing to authenticate. + </para> + <para><example>LANMAN-Response: 0102030405060708090A0B0C0D0E0F101112131415161718</example></para> + + </listitem></varlistentry> + + <varlistentry> + <term>NT-Response</term> + <listitem><para>The >= 24 byte <command>NT Response</command> + calculated from the user's password and the supplied + <command>LANMAN Challenge</command>. Typically, this is + provided over the network by a client wishing to authenticate. + </para> + <para><example>NT-Response: 0102030405060708090A0B0C0D0E0F101112131415161718</example></para> + + </listitem></varlistentry> + + <varlistentry> + <term>Password</term> + <listitem><para>The user's password. This would be + provided by a network client, if the helper is being + used in a legacy situation that exposes plaintext + passwords in this way. + </para> + <para><example>Password: samba2</example></para> + <para><example>Password:: c2FtYmEy</example></para> + + </listitem></varlistentry> + + <varlistentry> + <term>Request-User-Session-Key</term> + <listitem><para>Apon sucessful authenticaiton, return + the user session key associated with the login. + </para> + <para><example>Request-User-Session-Key: Yes</example></para> + + </listitem></varlistentry> + + <varlistentry> + <term>Request-LanMan-Session-Key</term> + <listitem><para>Apon sucessful authenticaiton, return + the LANMAN session key associated with the login. + </para> + <para><example>Request-LanMan-Session-Key: Yes</example></para> + + </listitem></varlistentry> + + <para><warning>Implementors should take care to base64 encode + any data (such as usernames/passwords) that may contain malicous user data, such as + a newline. They may also need to decode strings from + the helper, which likewise may have been base64 encoded.</warning></para> + </variablelist> + + </listitem> + </varlistentry> + </variablelist> + </listitem> + </varlistentry> + + <varlistentry> + <term>--username=USERNAME</term> + <listitem><para> + Specify username of user to authenticate + </para></listitem> + + </varlistentry> + + <varlistentry> + <term>--domain=DOMAIN</term> + <listitem><para> + Specify domain of user to authenticate + </para></listitem> + </varlistentry> + + <varlistentry> + <term>--workstation=WORKSTATION</term> + <listitem><para> + Specify the workstation the user authenticated from + </para></listitem> + </varlistentry> + + <varlistentry> + <term>--challenge=STRING</term> + <listitem><para>NTLM challenge (in HEXADECIMAL)</para> + </listitem> + </varlistentry> + + <varlistentry> + <term>--lm-response=RESPONSE</term> + <listitem><para>LM Response to the challenge (in HEXADECIMAL)</para></listitem> + </varlistentry> + + <varlistentry> + <term>--nt-response=RESPONSE</term> + <listitem><para>NT or NTLMv2 Response to the challenge (in HEXADECIMAL)</para></listitem> + </varlistentry> + + <varlistentry> + <term>--password=PASSWORD</term> + <listitem><para>User's plaintext password</para><para>If + not specified on the command line, this is prompted for when + required. </para> + + <para>For the NTLMSSP based server roles, this paramter + specifies the expected password, allowing testing without + winbindd operational.</para> + </listitem> + </varlistentry> + + <varlistentry> + <term>--request-lm-key</term> + <listitem><para>Retreive LM session key</para></listitem> + </varlistentry> + + <varlistentry> + <term>--request-nt-key</term> + <listitem><para>Request NT key</para></listitem> + </varlistentry> + + <varlistentry> + <term>--diagnostics</term> + <listitem><para>Perform Diagnostics on the authentication + chain. Uses the password from <command>--password</command> + or prompts for one.</para> + </listitem> + </varlistentry> + + <varlistentry> + <term>--require-membership-of={SID|Name}</term> + <listitem><para>Require that a user be a member of specified + group (either name or SID) for authentication to succeed.</para> + </listitem> + </varlistentry> + + &popt.common.samba; + &stdarg.help; + + </variablelist> +</refsect1> + +<refsect1> + <title>EXAMPLE SETUP</title> + + <para>To setup ntlm_auth for use by squid 2.5, with both basic and + NTLMSSP authentication, the following + should be placed in the <filename>squid.conf</filename> file. +<programlisting> +auth_param ntlm program ntlm_auth --helper-protocol=squid-2.5-ntlmssp +auth_param basic program ntlm_auth --helper-protocol=squid-2.5-basic +auth_param basic children 5 +auth_param basic realm Squid proxy-caching web server +auth_param basic credentialsttl 2 hours +</programlisting></para> + +<note><para>This example assumes that ntlm_auth has been installed into your + path, and that the group permissions on + <filename>winbindd_privileged</filename> are as described above.</para></note> + + <para>To setup ntlm_auth for use by squid 2.5 with group limitation in addition to the above + example, the following should be added to the <filename>squid.conf</filename> file. +<programlisting> +auth_param ntlm program ntlm_auth --helper-protocol=squid-2.5-ntlmssp --require-membership-of='WORKGROUP\Domain Users' +auth_param basic program ntlm_auth --helper-protocol=squid-2.5-basic --require-membership-of='WORKGROUP\Domain Users' +</programlisting></para> + +</refsect1> + +<refsect1> + <title>TROUBLESHOOTING</title> + + <para>If you're experiencing problems with authenticating Internet Explorer running + under MS Windows 9X or Millenium Edition against ntlm_auth's NTLMSSP authentication + helper (--helper-protocol=squid-2.5-ntlmssp), then please read + <ulink url="http://support.microsoft.com/support/kb/articles/Q239/8/69.ASP"> + the Microsoft Knowledge Base article #239869 and follow instructions described there</ulink>. + </para> +</refsect1> + +<refsect1> + <title>VERSION</title> + + <para>This man page is correct for version 3.0 of the Samba + suite.</para> +</refsect1> + +<refsect1> + <title>AUTHOR</title> + + <para>The original Samba software and related utilities + were created by Andrew Tridgell. Samba is now developed + by the Samba Team as an Open Source project similar + to the way the Linux kernel is developed.</para> + + <para>The ntlm_auth manpage was written by Jelmer Vernooij and + Andrew Bartlett.</para> +</refsect1> + +</refentry> |