11-05-2001
Question variables Korn
I'm using the following command to test for certain characters in a script
echo "${1}" | grep '\$'
if (( ${?} == 0 ))
then
testing this script on the command line I have
ksh -x script1.sh "xxxx$xxxx"
this works fine but when I want to use
ksh -x script1.sh "xxxx $xxx"
the interpreter tells me that the field is blank. Why?
it dosen't like space how do I get around this? My script will be passed variables with spaces in them.
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LEARN ABOUT SUSE
idmap_tdb2
IDMAP_TDB2(8) System Administration tools IDMAP_TDB2(8)
NAME
idmap_tdb2 - Samba's idmap_tdb2 Backend for Winbind
DESCRIPTION
The idmap_tdb2 plugin is a substitute for the default idmap_tdb backend used by winbindd for storing SID/uid/gid mapping tables in
clustered environments with Samba and CTDB.
In contrast to read only backends like idmap_rid, it is an allocating backend: This means that it needs to allocate new user and group IDs
in order to create new mappings. The allocator can be provided by the idmap_tdb2 backend itself or by any other allocating backend like
idmap_tdb or idmap_ldap. This is configured with the parameter idmap alloc backend.
Note that in order for this (or any other allocating) backend to function at all, the default backend needs to be writeable. The ranges
used for uid and gid allocation are the default ranges configured by "idmap uid" and "idmap gid".
Furthermore, since there is only one global allocating backend responsible for all domains using writeable idmap backends, any explicitly
configured domain with idmap backend tdb2 should have the same range as the default range, since it needs to use the global uid / gid
allocator. See the example below.
IDMAP OPTIONS
range = low - high
Defines the available matching uid and gid range for which the backend is authoritative. If the parameter is absent, Winbind fails over
to use the "idmap uid" and "idmap gid" options from smb.conf.
IDMAP SCRIPT
The tdb2 idmap backend supports a script for performing id mappings through the smb.conf option idmap : script. The script should accept
the following command line options.
SIDTOID S-1-xxxx
IDTOSID UID xxxx
IDTOSID GID xxxx
And it should return one of the following responses as a single line of text.
UID:yyyy
GID:yyyy
SID:yyyy
ERR:yyyy
Note that the script should cover the complete range of SIDs that can be passed in for SID to Unix ID mapping, since otherwise SIDs
unmapped by the script might get mapped to IDs that had previously been mapped by the script.
EXAMPLES
This example shows how tdb2 is used as a the default idmap backend. It configures the idmap range through the global options for all
domains encountered. This same range is used for uid/gid allocation.
[global]
idmap backend = tdb2
idmap uid = 1000000-2000000
idmap gid = 1000000-2000000
AUTHOR
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.
Samba 3.5 06/18/2010 IDMAP_TDB2(8)