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There are two packages available that allow Linux to provide the functions of a Novell Fileserver. They both allow you to share files on your linux machine with users using Novell NetWare client software. Users can attach and map filesystems to appear as local drives on their machines just as they would to a real Novell fileserver. You may want to try both to see which best serves your intended purpose.
Martin Stover <mstover@freeway.de> developed mars_nwe
to enable linux to provide both file and print services for NetWare clients.
In case you are wondering about the name: mars_nwe is Martin Stovers Netware Emulator.
mars_nwe implements a subset of the full Novell NCP for file services, disk based bindery and also print services. It is likely to contain bugs but there are many people using it now and the number of bugs is steadily decreasing as new versions are released.
You can obtain mars_nwe from ftp.gwdg.de or from ftp://sunsite.unc.edu/pub/Linux/system/filesystems/ncpfs/.
The version current at the time of writing was: mars_nwe-0.99.pl10.tgz.
In the 1.2.13
version kernel you need only ensure that you have answered Y to the
question: 'The IPX protocol' and N to the question:
`Full internal IPX network' as illustrated:
... ... The IPX protocol (CONFIG_IPX) [n] y ... ... Full internal IPX network (CONFIG_IPX_INTERN) [N/y/?] n ... ...In newer kernels a similar process is adopted but the actual text of the prompt may have changed slightly.
You will also need to ensure that you include an appropriate driver for your Ethernet card. If you do not know how to do this then you should read the Ethernet-HOWTO.
You can then proceed to build your kernel. Make sure you remember to run lilo to install it when you have finished.
# cd /usr/src
# tar xvfz mars_nwe-0.99.pl10.tgz
To make the package is very simple.
The first step is to simply run make, this will create a
config.h file for you. Next you should look at and edit the
config.h file if necessary. It allows you to configure items
such as the installation directories that will be used and the maximum
number of sessions and volumes that the server will support. The really
important entries to look at are:
FILENAME_NW_INI the location of the initialisation file PATHNAME_PROGS where the executable support programs will be found. PATHNAME_BINDERY where the 'bindery' files will go. PATHNAME_PIDFILES the directory for the 'pid' files to be written. MAX_CONNECTIONS the maximum number of simultaneous connections allowed. MAX_NW_VOLS the maximum number of volumes mars_nwe will support. MAX_FILE_HANDLES_CONN the maximum number of open files per connection. WITH_NAME_SPACE_CALLS if you want to support ncpfs clients. INTERNAL_RIP_SAP whether you want mars_nwe to provide rip/sap routing. SHADOW_PWD whether you use shadow passwords or not.
The defaults will probably be ok but you should check anyway.
When this is done:
# make
# make install
will build the servers and install them in the appropriate directory. The
installation script also installs the configuration file
/etc/nwserv.conf.
Configuration is fairly simple. You need to
edit the /etc/nwserv.conf file. The format of this file may at first
look a little cryptic, but it is fairly straightforward. The file contains a
number of single line configuration items. Each line is whitespace delimited
and begins with a number that indicates the contents of the line. All
characters following a '#' character are considered a comment and
ignored. Martin supplies an example configuration file in the package,
but I'll present what I consider to be a simplified example to offer an
alternative for you.
# VOLUMES (max. 5)
# Only the SYS volume is compulsory. The directory containing the SYS
# volume must contain the directories: LOGIN, PUBLIC, SYSTEM, MAIL.
# The 'i' option ignores case.
# The 'k' option converts all filenames in NCP requests to lowercase.
# The 'm' option marks the volume as removable (useful for cdroms etc.)
# The 'r' option set the volume to read-only.
# The 'o' option indicates the volume is a single mounted filesystem.
# The 'P' option allows commands to be used as files.
# The 'O' option allows use of the OS/2 namespace
# The 'N' option allows use of the NFS namespace
# The default is upper case.
# Syntax:
# 1 <Volumename> <Volumepath> <Options>
1 SYS /home/netware/SYS/ # SYS
1 DATA /home/netware/DATA/ k # DATA
1 CDROM /cdrom kmr # CDROM
# SERVER NAME
# If not set then the linux hostname will be converted to upper case
# and used. This is optional, the hostname will be used if this is not
# configured.
# Syntax:
# 2 <Servername>
2 LINUX_FS01
# INTERNAL NETWORK ADDRESS
# The Internal IPX Network Address is a feature that simplifies IPX routing
# for multihomed hosts (hosts that have ports on more than one IPX network).
# Syntax:
# 3 <Internal Network Address> [<Node Number>]
# or:
# 3 auto
#
# If you use 'auto' then your host IP address will be used. NOTE: this may
# be dangerous, please be sure you pick a number unique to your network.
# Addresses are 4byte hexadecimal (the leading 0x is required).
3 0x49a01010 1
# NETWORK DEVICE(S)
# This entry configures your IPX network. If you already have your
# IPX network configured then you do not need this. This is the same as
# using ipx_configure/ipx_interface before you start the server.
# Syntax:
# 4 <IPX Network Number> <device_name> <frametype> [<ticks>]
# Frame types: ethernet_ii, 802.2, 802.3, SNAP
4 0x39a01010 eth0 802.3 1
# SAVE IPX ROUTES AFTER SERVER IS DOWNED
# Syntax:
# 5 <flag>
# 0 = don't save routes, 1 = do save routes
5 0
# NETWARE VERSION
# Syntax:
# 6 <version>
# 0 = 2.15, 1 = 3.11
6 1
# PASSWORD HANDLING
# Real Novell DOS clients support a feature which encypts your
# password when changing it. You can select whether you want your
# mars server to support this feature or not.
# Syntax
# 7 <flag>
# <flag> is:
# 0 to force password encryption. (Clients can't change password)
# 1 force password encryption, allow unencrypted password change.
# 7 allow non-encrypted password but no empty passwords.
# 8 allow non-encrypted password including empty passwords.
# 9 completely unencrypted passwords (doesn't work with OS/2)
7 1
# MINIMAL GID UID rights
# permissions used for attachments with no login. These permissions
# will be used for the files in your primary server attachment.
# Syntax:
# 10 <gid>
# 11 <uid>
# <gid> <uid> are from /etc/passwd, /etc/groups
10 200
11 201
# SUPERVISOR password
# May be removed after the server is started once. The server will
# encrypt this information into the bindery file after it is run.
# You should avoid using the 'root' user and instead use another
# account to administer the mars fileserver.
#
# This entry is read and encrypted into the server bindery files, so
# it only needs to exist the first time you start the server to ensure
# that the password isn't stolen.
#
# Syntax:
# 12 <Supervisor-Login> <Unix username> [<password>]
12 SUPERVISOR terry secret
# USER ACCOUNTS
# This associates NetWare logins with unix accounts. Password are
# optional.
# Syntax:
13 <User Login> <Unix Username> [<password>]
13 MARTIN martin
13 TERRY terry
# LAZY SYSTEM ADMIN CONFIGURATION
# If you have a large numbers of users and could not be bothered using
# type 13 individual user mappings, you can automatically map mars_nwe
# logins to linux user names. BUT, there is currently no means of making
# use of the linux login password so all users configured this way are
# will use the single password supplied here. My recommendation is not
# to do this unless security is absolutely no concern to you.
# Syntax:
# 15 <flag> <common-password>
# <flag> is: 0 - don't automatically map users.
# 1 - do automatically map users not configured above.
# 99 - automatically map every user in this way.
15 0 duzzenmatta
# SANITY CHECKING
# mars_nwe will automatically ensure that certain directories exist if
# you set this flag.
# Syntax:
# 16 <flag>
# <flag> is 0 for no, don't, or 1 for yes, do.
16 0
# PRINT QUEUES
# This associates NetWare printers with unix printers. The queue
# directories must be created manually before printing is attempted.
# The queue directories are NOT lpd queues.
# Syntax:
# 21 <queue_name> <queue_directory> <unix_print_cmd>
21 EPSON SYS:/PRINT/EPSON lpr -h
21 LASER SYS:/PRINT/LASER lpr -Plaser
# DEBUG FLAGS
# These are not normally needed, but may be useful if are you debugging
# a problem.
# Syntax:
# <debug_item> <debug_flag>
#
# 100 = IPX KERNEL
# 101 = NWSERV
# 102 = NCPSERV
# 103 = NWCONN
# 104 = start NWCLIENT
# 105 = NWBIND
# 106 = NWROUTED
# 0 = disable debug, 1 = enable debug
100 0
101 0
102 0
103 0
104 0
105 0
106 0
# RUN NWSERV IN BACKGROUND AND USE LOGFILE
# Syntax:
# 200 <flag>
# 0 = run NWSERV in foreground and don't use logfile
# 1 = run NWSERV in background and use logfile
200 1
# LOGFILE NAME
# Syntax:
# 201 <logfile>
201 /tmp/nw.log
# APPEND LOG OR OVERWRITE
# Syntax:
# 202 <flag>
# 0 = append to existing logfile
# 1 = overwrite existing logfile
202 1
# SERVER DOWN TIME
# This item sets the time after a SERVER DOWN is issued that the
# server really goes down.
# Syntax:
# 210 <time>
# in seconds. (defaults 10)
210 10
# ROUTING BROADCAST INTERVAL
# The time is seconds between server broadcasts
# Syntax:
# 211 <time>
# in seconds. (defaults 60)
211 60
# ROUTING LOGGING INTERVAL
# Set how many broadcasts take place before logging of routing
# information occurs.
# Syntax:
# 300 <number>
300 5
# ROUTING LOGFILE
# Set the name of the routing logfile
# Syntax:
# 301 <filename>
301 /tmp/nw.routes
# ROUTING APPEND/OVERWRITE
# Set whether you want to append to an existing log file or
# overwrite it.
# Syntax:
# 302 <flag>
# <flag> is 0 for append, 1 for create/overwrite
302 1
# WATCHDOG TIMING
# Set the timing for watchdog messages that ensure the network is
# still alive.
# Syntax:
# 310 <value>
# <value> = 0 - always send watchdogs
# < 0 - (-ve) for disable watchdogs
# > 0 - send watchdogs when network traffic
# drops below 'n' ticks
310 7
# STATION FILE
# Set the filename for the stations file which determine which
# machines this fileserver will act as the primary fileserver for.
# The syntax of this file is described in the 'examples' directory
# of the source code.
# Syntax:
# 400 <filename>
400 /etc/nwserv.stations
# GET NEAREST FILESERVER HANDLING
# Set how SAP Get Nearest Fileserver Requests are handled.
# Syntax:
# 401 <flag>
# <flag> is: 0 - disable 'Get Nearest Fileserver' requests.
# 1 - The 'stations' file lists stations to be excluded.
# 2 - The 'stations' file lists stations to be included.
401 2
If you've configured the server to expect external programs to configure your network and/or provide the routing function then you should start those before starting the server. Presuming you have configured the server so that it will configure your interfaces for you and provide the routing services you need only issue the command:
# nwserv
To test the server you should first try to attach
and login from a NetWare client on your network. You then set a
CAPTURE from the client and attempt a print. If both of these are
successful then the server is working.
Ales Dryak <A.Dryak@sh.cvut.cz> developed lwared to allow
Linux to function as an NCP based fileserver.
Ales has called the package lwared, an abbreviation for LinWare Daemon.
The lwared server is capable of providing a subset of the full function of the Novell NCP. It incorporates messaging but it does not provide any printing facilities at all. It does not currently work very well with either Windows95 or Windows NT clients. The lwared server relies on external programs to build and update the IPX routing and SAP tables. Misbehaving clients can cause the server to crash. Importantly, filename translation facilities have not been included.
The server does work for NETX and VLM NetWare shells.
The lwared package can be built for any kernel newer than
1.2.0, I recommend you use version 1.2.13 as no kernel
patches are required if you do. Some of the IPX functionality has changed
with the version 1.3.* kernels and this means that patches are
now required to make it work properly. Appropriate patches are included for
the new kernels, so if you must use an alpha kernel you should still be able
to get lwared to work properly for you.
You can obtain the lwared package by anonymous ftp from: klokan.sh.cvut.cz
or from:
sunsite.unc.edu
or mirror sites. The current version at the time of writing was:
lwared-0.95.tar.gz
Something like:
# cd /usr/src # tar xvpfz lwared-0.95.tar.gz
If you are using an alpha 1.3.* kernel then you should try and use
kernel version 1.3.17 or newer because the supplied patches were built
against it. 1.3.* kernels older than 1.3.17 will require
hand patching to install. (some information on how to do this is included
in the INSTALL file in the package.). To install the patches
against a 1.3.17 kernel or newer you should try:
# make patch
After applying the patches if necessary, the next thing you need to do is
ensure that your kernel has been built with IPX support enabled. In the
1.2.13 version kernel you need only ensure that you have answered
Y to the question: 'The IPX protocol' as
illustrated:
... ... Assume subnets are local (CONFIG_INET_SNARL) [y] Disable NAGLE algorithm (normally enabled) (CONFIG_TCP_NAGLE_OFF) [n] The IPX protocol (CONFIG_IPX) [n] y * * SCSI support ... ...In newer kernels a similar process is adopted by the actual text of the prompt may have changed slightly.
You will also need to ensure that you include an appropriate driver for your Ethernet card. If you do not know how to do this then you should read the Ethernet-HOWTO.
You can then proceed to build your kernel. Make sure you remember to run lilo to install it when you have finished.
To compile lwared you
should first check, edit if necessary, the server/config.h file. This
file contains various settings that will govern the way your server will
behave when it is running. The defaults are reasonable, though you might want
to check that the directories specified for the log files and configuration
files suit your system.
# make depend # make # make installI found that the '
make depend' complained about not finding the
float.h file on my system but appeared to work anyway.
I also found that when I tried compiling with gcc 2.6.3 I found
I had to change the line:
#include <net/route.h>to
#include <net/if_route.h>in
lib/ipxkern.c as this file changed name sometime.
The 'make install' will attempt to install the server and routing
daemon programs into your /usr/sbin directory, the lwpasswd
program into your /usr/bin directory, the IPX utility programs will
be installed into your /sbin directory and last but not least the
manual pages will go into the /usr/man directory structure. If any
of these locations are not suitable for your system then you should edit
the relevant Makefile and change the target directories to suit.
Now the fun bit!
The first thing you must do is configure
your Ethernet interfaces to support the IPX networks your server will support.
To do this you will need to know the IPX network addresses for each of your
LAN segments, which Ethernet device (eth0, eth1 etc.) is
on which segment, what frame type (802.3, EtherII etc.) each
LAN segment uses and what Internal Network address your server should use
(this is really needed if your server will service more than one LAN segment).
A configuration for a server that is on two dis-similar segments with IPX
network addresses 23a91300 and 23a91301 and internal network
address bdefaced might look like:
# ipx_internal_net add BDEFACED 1 # ipx_interface add eth0 802.3 23a91300 # ipx_interface add eth1 etherii 23a91301
The kernel software itself actually does the IPX packet forwarding as it does for IP, but the kernel requires additional programs to manage the routing table updates. In the case of IPX two daemons are needed and both are supplied with lwared: ipxripd manages the IPX routing information and ipxsapd manages the SAP information. To start the daemons you need only specify the location of where they should write their log messages:
# ipxripd /var/adm/ipxrip # ipxsapd /var/adm/ipxsap
There are two files that you must manually configure to allow user login to your lwared server. They are:
/etc/lwpasswdThis is where LinWare user account
information is kept. The lwpasswd program is to keep it up to date.
In its simplest form the /etc/lwpasswd file looks like:
ales: terryd: guest:Its format is a simple list of login id followed by a ':' character and then the encrypted version of the login passwd. A couple of important caveats here: No encrypted password means no password, LinWare users must have Linux accounts, that is any user you place in
/etc/lwpasswd must also
appear in /etc/passwd and root is the only account that can
change the password of another LinWare user. If you are logged in as
root you can change the password of a LinWare user as this transcript
demonstrates:
# lwpasswd rodg Changing password for RODG Enter new password: Re-type new password: Password changed.
/etc/lwvtabThis is the LinWare volume tables and it stores
information about what directories should be made available to LinWare users
(this file is similar in nature to the NFS /etc/exports file). A
simple example of its format is as follows:
SYS /lwfs/sys DATA /lwfs/data HOME /homeThe format is simple: Volume name followed by whitespace followed by Linux directory to export. You must have at least an entry for the
SYS volume for the server to start. If you intend your DOS based
users to be able use your LinWare server as their primary server then you must
install a standard SYS volume directory structure underneath the
directory you export as your SYS volume. Since these files are
proprietary and copyright to the Novell corporation you should have a license
for these. If you users will be using a Novell fileserver as their primary
server then this will not be necessary.
tada!
# lwaredIt is almost an anticlimax isn't it ? Ok so you've got a question, right? What is the fileserver name that is being advertised ? If you started the server as shown then the LinWare server name being advertised will be based on what is returned by the Linux hostname. If you'd like it to be something else then you can give the server the name when you start it, for example:
# lwared -nlinux00would start the server with the name
linux00.
The very first thing to test is
that your LinWare server appears in an slist from a DOS client
on your network. The slist program is stored on the SYS
volume of a Novell fileserver so you must do this from a machine that is
already logged in somewhere. If this is not successful then check that
ipxsapd and lwared are both running. If the slist
is successful then you should try attaching to the server and mapping
a volume:
C:> attach linux00/ales ... ... C:> map l:=linux00/data: C:> l:You should then be able to treat the new map just like any other map. The file permissions you will have will be based on those allowed to the linux account that parallels your LinWare login.
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