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dbmmanage - Manage user authentication files in DBM format - Apache HTTP Server
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Apache HTTP Server Version 2.0
Apache > HTTP Server > Documentation > Version 2.0 > Programsdbmmanage - Manage user authentication files in DBM format
Available Languages: en |
ko
dbmmanage is used to create and update the DBM format files
used to store usernames and password for basic authentication of HTTP users
via mod_auth_dbm.
Resources available from the Apache HTTP server can be restricted to just
the users listed in the files created by dbmmanage. This
program can only be used when the usernames are stored in a DBM file. To
use a flat-file database see htpasswd.
This manual page only lists the command line arguments. For details of
the directives necessary to configure user authentication in
httpd see the httpd manual, which is part of
the Apache distribution or can be found at http://httpd.apache.org/.
Synopsis
Options
Bugs
See alsohttpdmod_auth_dbm
Synopsis
dbmmanage [ encoding ]
filename add|adduser|check|delete|update
username
[ encpasswd
[ group[,group...]
[ comment ] ] ]
dbmmanage filename
view [ username ]
dbmmanage filename import
Options
filename
The filename of the DBM format file. Usually without the extension
.db, .pag, or .dir.
username
The user for which the operations are performed. The username
may not contain a colon (:).
encpasswd
This is the already encrypted password to use for the
update and add commands. You may use a hyphen
(-) if you want to get prompted for the password, but fill
in the fields afterwards. Additionally when using the update
command, a period (.) keeps the original password
untouched.
group
A group, which the user is member of. A groupname may not contain a
colon (:). You may use a hyphen (-) if you don't
want to assign the user to a group, but fill in the comment field.
Additionally when using the update command, a period
(.) keeps the original groups untouched.
comment
This is the place for your opaque comments about the user, like
realname, mailaddress or such things. The server will ignore this
field.
Encodings
-d
crypt encryption (default, except on Win32, Netware)
-m
MD5 encryption (default on Win32, Netware)
-s
SHA1 encryption
-p
plaintext (not recommended)
Commands
add
Adds an entry for username to filename using the
encrypted password encpasswd.
dbmmanage passwords.dat add rbowen foKntnEF3KSXA
adduser
Asks for a password and then adds an entry for username to
filename.
dbmmanage passwords.dat adduser krietz
check
Asks for a password and then checks if username is in
filename and if it's password matches the specified one.
dbmmanage passwords.dat check rbowen
delete
Deletes the username entry from filename.
dbmmanage passwords.dat delete rbowen
import
Reads username:password entries
(one per line) from STDIN and adds them to
filename. The passwords already have to be crypted.
update
Same as the adduser command, except that it makes
sure username already exists in filename.
dbmmanage passwords.dat update rbowen
view
Just displays the contents of the DBM file. If you specify a
username, it displays the particular record only.
dbmmanage passwords.dat view
Bugs
One should be aware that there are a number of different DBM file formats
in existence, and with all likelihood, libraries for more than one format
may exist on your system. The three primary examples are SDBM, NDBM, the GNU
project's GDBM, and Berkeley DB 2. Unfortunately, all these libraries use
different file formats, and you must make sure that the file format used
by filename is the same format that dbmmanage
expects to see. dbmmanage currently has no way of determining
what type of DBM file it is looking at. If used against the wrong format,
will simply return nothing, or may create a different DBM file with a
different name, or at worst, it may corrupt the DBM file if you were
attempting to write to it.
dbmmanage has a list of DBM format preferences, defined by
the @AnyDBM::ISA array near the beginning of the program. Since
we prefer the Berkeley DB 2 file format, the order in which
dbmmanage will look for system libraries is Berkeley DB 2,
then NDBM, then GDBM and then SDBM. The first library found will be the
library dbmmanage will attempt to use for all DBM file
transactions. This ordering is slightly different than the standard
@AnyDBM::ISA ordering in Perl, as well as the ordering used by
the simple dbmopen() call in Perl, so if you use any other
utilities to manage your DBM files, they must also follow this preference
ordering. Similar care must be taken if using programs in other languages,
like C, to access these files.
One can usually use the file program supplied with most
Unix systems to see what format a DBM file is in.
Available Languages: en |
ko
Copyright 2007 The Apache Software Foundation.Licensed under the Apache License, Version 2.0.
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