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- #!/usr/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> <user> <password> <groups> <comment>
-
- package dbmmanage;
- # -ldb -lndbm -lgdbm -lsdbm
- BEGIN { @AnyDBM_File::ISA = qw(DB_File NDBM_File GDBM_File SDBM_File) }
- use strict;
- use Fcntl;
- use AnyDBM_File ();
-
- sub usage {
- my $cmds = join "|", sort keys %dbmc::;
- die <<SYNTAX;
- Usage: dbmmanage [enc] dbname command [username [pw [group[,group] [comment]]]]
-
- where enc is -d for crypt encryption (default except on Win32, Netware)
- -m for MD5 encryption (default on Win32, Netware)
- -s for SHA1 encryption
- -p for plaintext
-
- command is one of: $cmds
-
- pw of . for update command retains the old password
- pw of - (or blank) for update command prompts for the password
-
- groups or comment of . (or blank) for update command retains old values
- groups or comment of - for update command clears the existing value
- groups or comment of - for add and adduser commands is the empty value
- SYNTAX
- }
-
- sub need_sha1_crypt {
- if (!eval ('require "Digest/SHA1.pm";')) {
- print STDERR <<SHAERR;
- dbmmanage SHA1 passwords require the interface or the module Digest::SHA1
- available from CPAN:
-
- http://www.cpan.org/modules/by-module/Digest/Digest-MD5-2.12.tar.gz
-
- Please install Digest::SHA1 and try again, or use a different crypt option:
-
- SHAERR
- usage();
- }
- }
-
- sub need_md5_crypt {
- if (!eval ('require "Crypt/PasswdMD5.pm";')) {
- print STDERR <<MD5ERR;
- dbmmanage MD5 passwords require the module Crypt::PasswdMD5 available from CPAN
-
- http://www.cpan.org/modules/by-module/Crypt/Crypt-PasswdMD5-1.1.tar.gz
-
- Please install Crypt::PasswdMD5 and try again, or use a different crypt option:
-
- MD5ERR
- usage();
- }
- }
-
- # 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_platforms = join '|', qw{bsdos}; #others?
- my $newstyle_salt = $^O =~ /(?:$newstyle_salt_platforms)/;
-
- # Some platforms just can't crypt() for Apache
- #
- my $crypt_not_supported_platforms = join '|', qw{MSWin32 NetWare}; #others?
- my $crypt_not_supported = $^O =~ /(?:$crypt_not_supported_platforms)/;
-
- my $crypt_method = "crypt";
-
- if ($crypt_not_supported) {
- $crypt_method = "md5";
- }
-
- # Some platforms won't jump through our favorite hoops
- #
- my $not_unix_platforms = join '|', qw{MSWin32 NetWare}; #others?
- my $not_unix = $^O =~ /(?:$not_unix_platforms)/;
-
- if ($crypt_not_supported) {
- $crypt_method = "md5";
- }
-
- if (@ARGV[0] eq "-d") {
- shift @ARGV;
- if ($crypt_not_supported) {
- print STDERR
- "Warning: Apache/$^O does not support crypt()ed passwords!\n\n";
- }
- $crypt_method = "crypt";
- }
-
- if (@ARGV[0] eq "-m") {
- shift @ARGV;
- $crypt_method = "md5";
- }
-
- if (@ARGV[0] eq "-p") {
- shift @ARGV;
- if (!$crypt_not_supported) {
- print STDERR
- "Warning: Apache/$^O does not support plaintext passwords!\n\n";
- }
- $crypt_method = "plain";
- }
-
- if (@ARGV[0] eq "-s") {
- shift @ARGV;
- need_sha1_crypt();
- $crypt_method = "sha1";
- }
-
- if ($crypt_method eq "md5") {
- need_md5_crypt();
- }
-
- my($file,$command,$key,$crypted_pwd,$groups,$comment) = @ARGV;
-
- usage() unless $file and $command and defined &{$dbmc::{$command}};
-
- # remove extension if any
- my $chop = join '|', qw{db.? pag dir};
- $file =~ s/\.($chop)$//;
-
- my $is_update = $command eq "update";
- my %DB = ();
- my @range = ();
- my($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;
-
-
- my $x;
- sub genseed {
- my $psf;
- if ($not_unix) {
- srand (time ^ $$ or time ^ ($$ + ($$ << 15)));
- }
- else {
- for (qw(-xlwwa -le)) {
- `ps $_ 2>/dev/null`;
- $psf = $_, last unless $?;
- }
- srand (time ^ $$ ^ 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 saltpw_crypt {
- genseed() unless @range;
- return $newstyle_salt ?
- join '', "_", randchar, "a..", randchar(4) :
- randchar(2);
- }
-
- sub cryptpw_crypt {
- my ($pw, $salt) = @_;
- $salt = saltpw_crypt unless $salt;
- crypt $pw, $salt;
- }
-
- sub saltpw_md5 {
- genseed() unless @range;
- randchar(8);
- }
-
- sub cryptpw_md5 {
- my($pw, $salt) = @_;
- $salt = saltpw_md5 unless $salt;
- Crypt::PasswdMD5::apache_md5_crypt($pw, $salt);
- }
-
- sub cryptpw_sha1 {
- my($pw, $salt) = @_;
- '{SHA}' . Digest::SHA1::sha1_base64($pw) . "=";
- }
-
- sub cryptpw {
- if ($crypt_method eq "md5") {
- return cryptpw_md5(@_);
- } elsif ($crypt_method eq "sha1") {
- return cryptpw_sha1(@_);
- } elsif ($crypt_method eq "crypt") {
- return cryptpw_crypt(@_);
- }
- @_[0]; # otherwise return plaintext
- }
-
- sub getpass {
- my $prompt = shift || "Enter password:";
-
- unless($not_unix) {
- 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 $not_unix;
- 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};
- $crypted_pwd = (split /:/, $DB{$key}, 3)[0] if $crypted_pwd eq '.';
- $groups = (split /:/, $DB{$key}, 3)[1] if !$groups || $groups eq '.';
- $comment = (split /:/, $DB{$key}, 3)[2] if !$comment || $comment eq '.';
- if (!$crypted_pwd || $crypted_pwd eq '-') {
- dbmc->adduser;
- }
- else {
- dbmc->add;
- }
- }
-
- 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};
- }
- $groups = '' if $groups eq '-';
- $comment = '' if $comment eq '-';
- $groups .= ":" . $comment if $comment;
- $crypted_pwd .= ":" . $groups if $groups;
- $DB{$key} = $crypted_pwd;
- my $action = $is_update ? "updated" : "added";
- print "User $key $action with password encrypted to $DB{$key} using $crypt_method\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 = cryptpw $value;
- dbmc->add;
- }
-
- sub dbmc::delete {
- die "Sorry, user `$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};
- my $chkpass = (split /:/, $DB{$key}, 3)[0];
- my $testpass = getpass();
- if (substr($chkpass, 0, 6) eq '$apr1$') {
- need_md5_crypt;
- $crypt_method = "md5";
- } elsif (substr($chkpass, 0, 5) eq '{SHA}') {
- need_sha1_crypt;
- $crypt_method = "sha1";
- } elsif (length($chkpass) == 13 && $chkpass ne $testpass) {
- $crypt_method = "crypt";
- } else {
- $crypt_method = "plain";
- }
- print $crypt_method . (cryptpw($testpass, $chkpass) eq $chkpass
- ? " password ok\n" : " password mismatch\n");
- }
-
- sub dbmc::import {
- while(defined($_ = <STDIN>) and chomp) {
- ($key,$crypted_pwd,$groups,$comment) = split /:/, $_, 4;
- dbmc->add;
- }
- }
-
-