home *** CD-ROM | disk | FTP | other *** search
- #!/usr/local/bin/perl
-
- # ====================================================================
- # Copyright (c) 1995-1999 The Apache Group. All rights reserved.
- #
- # Redistribution and use in source and binary forms, with or without
- # modification, are permitted provided that the following conditions
- # are met:
- #
- # 1. Redistributions of source code must retain the above copyright
- # notice, this list of conditions and the following disclaimer.
- #
- # 2. Redistributions in binary form must reproduce the above copyright
- # notice, this list of conditions and the following disclaimer in
- # the documentation and/or other materials provided with the
- # distribution.
- #
- # 3. All advertising materials mentioning features or use of this
- # software must display the following acknowledgment:
- # "This product includes software developed by the Apache Group
- # for use in the Apache HTTP server project (http://www.apache.org/)."
- #
- # 4. The names "Apache Server" and "Apache Group" must not be used to
- # endorse or promote products derived from this software without
- # prior written permission. For written permission, please contact
- # apache@apache.org.
- #
- # 5. Products derived from this software may not be called "Apache"
- # nor may "Apache" appear in their names without prior written
- # permission of the Apache Group.
- #
- # 6. Redistributions of any form whatsoever must retain the following
- # acknowledgment:
- # "This product includes software developed by the Apache Group
- # for use in the Apache HTTP server project (http://www.apache.org/)."
- #
- # THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY
- # EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE APACHE GROUP OR
- # ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- # STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- # OF THE POSSIBILITY OF SUCH DAMAGE.
- # ====================================================================
- #
- # This software consists of voluntary contributions made by many
- # individuals on behalf of the Apache Group and was originally based
- # on public domain software written at the National Center for
- # Supercomputing Applications, University of Illinois, Urbana-Champaign.
- # For more information on the Apache Group and the Apache HTTP server
- # project, please see <http://www.apache.org/>.
-
- #for more functionality see the HTTPD::UserAdmin module:
- # http://www.perl.com/CPAN/modules/by-module/HTTPD/HTTPD-Tools-x.xx.tar.gz
- #
- # usage: dbmmanage <DBMfile> <command> <key> <value>
-
- package dbmmanage;
- # -ldb -lndbm -lgdbm
- BEGIN { @AnyDBM_File::ISA = qw(DB_File NDBM_File GDBM_File) }
- use strict;
- use Fcntl;
- use AnyDBM_File ();
-
- my($file,$command,$key,$crypted_pwd) = @ARGV;
-
- usage() unless $file and $command and defined &{$dbmc::{$command}};
-
- # if your osname is in $newstyle_salt, then use new style salt (starts with '_' and contains
- # four bytes of iteration count and four bytes of salt). Otherwise, just use
- # the traditional two-byte salt.
- # see the man page on your system to decide if you have a newer crypt() lib.
- # I believe that 4.4BSD derived systems do (at least BSD/OS 2.0 does).
- # The new style crypt() allows up to 20 characters of the password to be
- # significant rather than only 8.
- my $newstyle_salt = join '|', qw{bsdos}; #others?
-
- # remove extension if any
- my $chop = join '|', qw{db.? pag dir};
- $file =~ s/\.($chop)$//;
-
- my $is_update = $command eq "update";
- my $Is_Win32 = $^O eq "MSWin32";
- my %DB = ();
- my @range = ();
- my($mode, $flags) = $command =~
- /^(?:view|check)$/ ? (0644, O_RDONLY) : (0644, O_RDWR|O_CREAT);
-
- tie %DB, "AnyDBM_File", $file, $flags, $mode || die "Can't tie $file: $!";
- dbmc->$command();
- untie %DB;
-
- sub usage {
- my $cmds = join "|", sort keys %dbmc::;
- die "usage: $0 filename [$cmds] [username]\n";
- }
-
- my $x;
- sub genseed {
- my $psf;
- for (qw(-xlwwa -le)) {
- `ps $_ 2>/dev/null`;
- $psf = $_, last unless $?;
- }
- srand (time ^ $$ ^ unpack("%L*", `ps $psf | gzip -f`));
- @range = (qw(. /), '0'..'9','a'..'z','A'..'Z');
- $x = int scalar @range;
- }
-
- sub randchar {
- join '', map $range[rand $x], 1..shift||1;
- }
-
- sub salt {
- my $newstyle = $^O =~ /(?:$newstyle_salt)/;
- genseed() unless @range;
- return $newstyle ?
- join '', "_", randchar, "a..", randchar(4) :
- randchar(2);
- }
-
- sub getpass {
- my $prompt = shift || "Enter password:";
-
- unless($Is_Win32) {
- open STDIN, "/dev/tty" or warn "couldn't open /dev/tty $!\n";
- system "stty -echo;";
- }
-
- my($c,$pwd);
- print STDERR $prompt;
- while (($c = getc(STDIN)) ne '' and $c ne "\n" and $c ne "\r") {
- $pwd .= $c;
- }
-
- system "stty echo" unless $Is_Win32;
- print STDERR "\n";
- die "Can't use empty password!\n" unless length $pwd;
- return $pwd;
- }
-
- sub dbmc::update {
- die "Sorry, user `$key' doesn't exist!\n" unless $DB{$key};
- dbmc->adduser;
- }
-
- sub dbmc::add {
- die "Can't use empty password!\n" unless $crypted_pwd;
- unless($is_update) {
- die "Sorry, user `$key' already exists!\n" if $DB{$key};
- }
- $DB{$key} = $crypted_pwd;
- my $action = $is_update ? "updated" : "added";
- print "User $key $action with password encrypted to $DB{$key}\n";
- }
-
- sub dbmc::adduser {
- my $value = getpass "New password:";
- die "They don't match, sorry.\n" unless getpass("Re-type new password:") eq $value;
- $crypted_pwd = crypt $value, caller->salt;
- dbmc->add;
- }
-
- sub dbmc::delete {
- die "Sorry, user `$key' doesn't exist!\n" unless $DB{$key};
- delete $DB{$key}, print "`$key' deleted\n";
- }
-
- sub dbmc::view {
- print $key ? "$key:$DB{$key}\n" : map { "$_:$DB{$_}\n" if $DB{$_} } keys %DB;
- }
-
- sub dbmc::check {
- die "Sorry, user `$key' doesn't exist!\n" unless $DB{$key};
- print crypt(getpass(), $DB{$key}) eq $DB{$key} ? "password ok\n" : "password mismatch\n";
- }
-
- sub dbmc::import {
- while(defined($_ = <STDIN>) and chomp) {
- ($key,$crypted_pwd) = split /:/, $_, 2;
- dbmc->add;
- }
- }
-
-