| #!/usr/local/bin/perl |
| # ==================================================================== |
| # The Apache Software License, Version 1.1 |
| # |
| # Copyright (c) 2000 The Apache Software Foundation. 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. The end-user documentation included with the redistribution, |
| # if any, must include the following acknowledgment: |
| # "This product includes software developed by the |
| # Apache Software Foundation (http://www.apache.org/)." |
| # Alternately, this acknowledgment may appear in the software itself, |
| # if and wherever such third-party acknowledgments normally appear. |
| # |
| # 4. The names "Apache" and "Apache Software Foundation" 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 name, without prior written |
| # permission of the Apache Software Foundation. |
| # |
| # THIS SOFTWARE IS PROVIDED ``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 SOFTWARE FOUNDATION 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 Software Foundation. For more |
| # information on the Apache Software Foundation, please see |
| # <http://www.apache.org/>. |
| # |
| # Portions of this software are based upon public domain software |
| # originally written at the National Center for Supercomputing Applications, |
| # University of Illinois, Urbana-Champaign. |
| # |
| #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; |
| } |
| } |
| |