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freebsd-ports/net/samba416/files/man/ntlm_auth4.1
Timur I. Bakeyev 2daf87ac19 net/samba416: New port for Samba 4.16 
This is an initial attempt to add Samba to the FreeBSD after major
rewrite of the VFS code in the upstream.

Most of the port development is now carried in:

     https://gitlab.com/samba-freebsd

Due to the way how new Samba VFS code is written there is a constrain
that Samba 4.14+ can run only on FreeBSD 13.1+, as it requires support
of the `nodup` option for the `fdesc` file system, as well as it's
presence in the system in general.

    https://gitlab.com/samba-freebsd/-/wikis/The-New-VFS

I'd like to thank CyberSecure Pty Ltd. company for their supoort of
the port development and Andrew Walker from iXsystems Inc. for the
patches he created and made available for the Samba4 on TrueNAS.

PR:		263874
2022-10-17 01:23:12 +02:00

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'\" t
.\" Title: ntlm_auth4
.\" Author: [see the "AUTHOR" section]
.\" Generator: DocBook XSL Stylesheets v1.76.1 <http://docbook.sf.net/>
.\" Date: 03/24/2017
.\" Manual: User Commands
.\" Source: Samba 4.0
.\" Language: English
.\"
.TH "NTLM_AUTH4" "1" "03/24/2017" "Samba 4\&.0" "User Commands"
.\" -----------------------------------------------------------------
.\" * Define some portability stuff
.\" -----------------------------------------------------------------
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.\" http://bugs.debian.org/507673
.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.ie \n(.g .ds Aq \(aq
.el .ds Aq '
.\" -----------------------------------------------------------------
.\" * set default formatting
.\" -----------------------------------------------------------------
.\" disable hyphenation
.nh
.\" disable justification (adjust text to left margin only)
.ad l
.\" -----------------------------------------------------------------
.\" * MAIN CONTENT STARTS HERE *
.\" -----------------------------------------------------------------
.SH "NAME"
ntlm_auth4 \- tool to allow external access to Winbind\*(Aqs NTLM authentication function
.SH "SYNOPSIS"
.HP \w'\fBntlm_auth4\fR\ 'u
\fBntlm_auth4\fR [\-d\ debuglevel] [\-l\ logdir] [\-s\ <smb\ config\ file>]
.SH "DESCRIPTION"
.PP
This tool is part of the
\fBsamba\fR(7)
suite\&.
.PP
\fBntlm_auth4\fR
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_auth4 uses winbind to access the user and authentication data for a domain\&. This utility is only indended to be used by other programs (currently squid)\&.
.SH "OPERATIONAL REQUIREMENTS"
.PP
The
\fBwinbindd\fR(8)
daemon must be operational for many of these commands to function\&.
.PP
Some of these commands also require access to the directory
winbindd_privileged
in
$LOCKDIR\&. This should be done either by running this command as root or providing group access to the
winbindd_privileged
directory\&. For security reasons, this directory should not be world\-accessable\&.
.SH "OPTIONS"
.PP
\-\-helper\-protocol=PROTO
.RS 4
Operate as a stdio\-based helper\&. Valid helper protocols are:
.PP
squid\-2\&.4\-basic
.RS 4
Server\-side helper for use with Squid 2\&.4\*(Aqs basic (plaintext) authentication\&.
.RE
.PP
squid\-2\&.5\-basic
.RS 4
Server\-side helper for use with Squid 2\&.5\*(Aqs basic (plaintext) authentication\&.
.RE
.PP
squid\-2\&.5\-ntlmssp
.RS 4
Server\-side helper for use with Squid 2\&.5\*(Aqs NTLMSSP authentication\&.
.sp
Requires access to the directory
winbindd_privileged
in
$LOCKDIR\&. The protocol used is described here:
\m[blue]\fBhttp://devel\&.squid\-cache\&.org/ntlm/squid_helper_protocol\&.html\fR\m[]
.RE
.PP
ntlmssp\-client\-1
.RS 4
Cleint\-side helper for use with arbitary external programs that may wish to use Samba\*(Aqs NTLMSSP authentication knowlege\&.
.sp
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\&.
.RE
.PP
gss\-spnego
.RS 4
Server\-side helper that implements GSS\-SPNEGO\&. This uses a protocol that is almost the same as
\fBsquid\-2\&.5\-ntlmssp\fR, but has some subtle differences that are undocumented outside the source at this stage\&.
.sp
Requires access to the directory
winbindd_privileged
in
$LOCKDIR\&.
.RE
.PP
gss\-spnego\-client
.RS 4
Client\-side helper that implements GSS\-SPNEGO\&. This also uses a protocol similar to the above helpers, but is currently undocumented\&.
.RE
.RE
.PP
\-\-username=USERNAME
.RS 4
Specify username of user to authenticate
.RE
.PP
\-\-domain=DOMAIN
.RS 4
Specify domain of user to authenticate
.RE
.PP
\-\-workstation=WORKSTATION
.RS 4
Specify the workstation the user authenticated from
.RE
.PP
\-\-challenge=STRING
.RS 4
NTLM challenge (in HEXADECIMAL)
.RE
.PP
\-\-lm\-response=RESPONSE
.RS 4
LM Response to the challenge (in HEXADECIMAL)
.RE
.PP
\-\-nt\-response=RESPONSE
.RS 4
NT or NTLMv2 Response to the challenge (in HEXADECIMAL)
.RE
.PP
\-\-password=PASSWORD
.RS 4
User\*(Aqs plaintext password
.sp
If not specified on the command line, this is prompted for when required\&.
.RE
.PP
\-\-request\-lm\-key
.RS 4
Retrieve LM session key
.RE
.PP
\-\-request\-nt\-key
.RS 4
Request NT key
.RE
.PP
\-\-diagnostics
.RS 4
Perform Diagnostics on the authentication chain\&. Uses the password from
\fB\-\-password\fR
or prompts for one\&.
.RE
.PP
\-\-require\-membership\-of={SID|Name}
.RS 4
Require that a user be a member of specified group (either name or SID) for authentication to succeed\&.
.RE
.SH "EXAMPLE SETUP"
.PP
To setup ntlm_auth4 for use by squid 2\&.5, with both basic and NTLMSSP authentication, the following should be placed in the
squid\&.conf
file\&.
.sp
.if n \{\
.RS 4
.\}
.nf
auth_param ntlm program ntlm_auth4 \-\-helper\-protocol=squid\-2\&.5\-ntlmssp
auth_param basic program ntlm_auth4 \-\-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
.fi
.if n \{\
.RE
.\}
.if n \{\
.sp
.\}
.RS 4
.it 1 an-trap
.nr an-no-space-flag 1
.nr an-break-flag 1
.br
.ps +1
\fBNote\fR
.ps -1
.br
.PP
This example assumes that ntlm_auth4 has been installed into your path, and that the group permissions on
winbindd_privileged
are as described above\&.
.sp .5v
.RE
.PP
To setup ntlm_auth4 for use by squid 2\&.5 with group limitation in addition to the above example, the following should be added to the
squid\&.conf
file\&.
.sp
.if n \{\
.RS 4
.\}
.nf
auth_param ntlm program ntlm_auth4 \-\-helper\-protocol=squid\-2\&.5\-ntlmssp \-\-require\-membership\-of=\*(AqWORKGROUP\eDomain Users\*(Aq
auth_param basic program ntlm_auth4 \-\-helper\-protocol=squid\-2\&.5\-basic \-\-require\-membership\-of=\*(AqWORKGROUP\eDomain Users\*(Aq
.fi
.if n \{\
.RE
.\}
.SH "TROUBLESHOOTING"
.PP
If you\*(Aqre experiencing problems with authenticating Internet Explorer running under MS Windows 9X or Millenium Edition against ntlm_auth4\*(Aqs NTLMSSP authentication helper (\-\-helper\-protocol=squid\-2\&.5\-ntlmssp), then please read
\m[blue]\fBthe Microsoft Knowledge Base article #239869 and follow instructions described there\fR\m[]\&\s-2\u[1]\d\s+2\&.
.SH "VERSION"
.PP
This man page is correct for version 3\&.0 of the Samba suite\&.
.SH "AUTHOR"
.PP
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\&.
.PP
The ntlm_auth4 manpage was written by Jelmer Vernooij and Andrew Bartlett\&.
.SH "NOTES"
.IP " 1." 4
the Microsoft Knowledge Base article #239869 and follow instructions described there
.RS 4
\%http://support.microsoft.com/support/kb/articles/Q239/8/69.ASP
.RE
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