| 1 |
<?php |
| 2 |
if (!$STDNWPSTYLE_INCLUDED) |
| 3 |
{ |
| 4 |
include("stdnwpstyle.inc"); |
| 5 |
$STDNWPSTYLE_INCLUDED=1; |
| 6 |
} |
| 7 |
?> |
| 8 |
<?php |
| 9 |
//******************************************************************************** |
| 10 |
//Copyright (C) 2003 David T. Ashley |
| 11 |
//******************************************************************************** |
| 12 |
//This program or source file is free software; you can redistribute it and/or |
| 13 |
//modify it under the terms of the GNU General Public License as published by |
| 14 |
//the Free Software Foundation; either version 2 of the License, or (at your |
| 15 |
//option) any later version. |
| 16 |
// |
| 17 |
//This program or source file is distributed in the hope that it will |
| 18 |
//be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 |
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 |
//GNU General Public License for more details. |
| 21 |
// |
| 22 |
//You may have received a copy of the GNU General Public License |
| 23 |
//along with this program; if not, write to the Free Software |
| 24 |
//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 25 |
//******************************************************************************** |
| 26 |
// |
| 27 |
function do_header(&$style) |
| 28 |
{ |
| 29 |
$style->header_title("HTPASSWD-Style Hashed Password Generator", |
| 30 |
"<i>htpasswd</i>-Style Hashed Password Generator", |
| 31 |
""); |
| 32 |
echo "<p align=\"center\"><b><font size=\"3\">(This cgi-bin form generates password hashes which are \n"; |
| 33 |
echo "understood by the <i>Apache</i> web server in directory access files and also by \n"; |
| 34 |
echo "the <i>CVS</i> version control system when such entries are placed in the \n"; |
| 35 |
echo "<i>CVSROOT/passwd</i> file. The algorithm used is the standard DES algorithm with \n"; |
| 36 |
echo "randomly selected two-character salt. To use this password hash generator, \n"; |
| 37 |
echo "you must normally paste the output into an <i>Apache</i> directory access file or into \n"; |
| 38 |
echo "the <i>CVSROOT/passwd</i> file of a <i>CVS</i> repository.)</font></b></p>\n"; |
| 39 |
$style->hrule_std(); |
| 40 |
echo "<p align=\"center\"><font size=\"3\" color=\"#FF0000\"><b>WARNING:</b> The username and "; |
| 41 |
echo "password you choose are "; |
| 42 |
echo "transmitted over the network to the server unencrypted and can be intercepted. "; |
| 43 |
echo "Use this utility "; |
| 44 |
echo "at your own risk.</font></p>\n"; |
| 45 |
$style->hrule_std(); |
| 46 |
} |
| 47 |
|
| 48 |
function do_footer(&$style) |
| 49 |
{ |
| 50 |
$style->footer_std(); |
| 51 |
} |
| 52 |
|
| 53 |
function do_form($Buttontext) |
| 54 |
{ |
| 55 |
echo "<form method=post action=\"htpasswd_gen.php\" width=\"100%\">\n"; |
| 56 |
echo "<table align=\"center\">\n"; |
| 57 |
echo "<tr>\n"; |
| 58 |
echo " <td width=\"10%\">\n"; |
| 59 |
echo " <p align=\"right\"><b>Username</b> (required):</td>\n"; |
| 60 |
echo " <td width=\"12%\"><p align=\"left\"><input type=\"text\" name=\"Username\" size=\"30\"></p></td>\n"; |
| 61 |
echo " </tr>\n"; |
| 62 |
echo " <tr>\n"; |
| 63 |
echo " <td width=\"10%\">\n"; |
| 64 |
echo " <p align=\"right\"><b>Password</b> (required):</td>\n"; |
| 65 |
echo " <td width=\"12%\"><p align=\"left\"><input type=\"Password\" name=\"Password\" size=\"30\"></p></td>\n"; |
| 66 |
echo " </tr>\n"; |
| 67 |
echo " <tr>\n"; |
| 68 |
echo " <td width=\"20%\" colspan=\"2\">\n"; |
| 69 |
echo " <p align=\"center\"><input type=\"submit\" value=\""; |
| 70 |
echo $Buttontext; |
| 71 |
echo "\" name=\"B1\" style=\"margin-top: 12\"></td>\n"; |
| 72 |
echo " </tr>\n"; |
| 73 |
echo "</table>\n"; |
| 74 |
echo "</form>\n"; |
| 75 |
} |
| 76 |
|
| 77 |
function do_err_msg($Err_msg) |
| 78 |
{ |
| 79 |
echo "<p align=\"center\"><b><font color=\"#FF0000\">"; |
| 80 |
echo $Err_msg; |
| 81 |
echo "</font></b></p>\n"; |
| 82 |
} |
| 83 |
|
| 84 |
function random_salt() |
| 85 |
{ |
| 86 |
//There are 64 possible values for each salt character, a-z, A-Z, 0-9, ., and /. |
| 87 |
//Can easily generate a suitably random value. |
| 88 |
$Matchstring = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789./"; |
| 89 |
$Rand1 = rand(0,63); |
| 90 |
$Rand2 = rand(0,63); |
| 91 |
return(Substr($Matchstring, $Rand1, 1) . Substr($Matchstring, $Rand2, 1)); |
| 92 |
} |
| 93 |
|
| 94 |
//Main script begins here. |
| 95 |
// |
| 96 |
// |
| 97 |
$style = new Stdnwpstyle; |
| 98 |
//Assign the current style in force. Also, starts the CPU |
| 99 |
//usage clock. |
| 100 |
|
| 101 |
//Do the header unconditionally. The header is always used on this page. |
| 102 |
do_header($style); |
| 103 |
// |
| 104 |
//Load up a few variables based on what username and password values were supplied. |
| 105 |
if (isset($Username) && isset($Password)) |
| 106 |
{ |
| 107 |
$Usernamelen = strlen($Username); |
| 108 |
$Usernamevalid = 1; |
| 109 |
for ($i=0; $i<$Usernamelen; $i++) |
| 110 |
{ |
| 111 |
$Curchar = Substr($Username, $i, 1); |
| 112 |
$Ord = ord($Curchar); |
| 113 |
if (! |
| 114 |
( |
| 115 |
($Ord >= ord("A") && $Ord <= ord("Z")) |
| 116 |
|| |
| 117 |
($Ord >= ord("a") && $Ord <= ord("z")) |
| 118 |
|| |
| 119 |
($Ord >= ord("0") && $Ord <= ord("9")) |
| 120 |
) |
| 121 |
) |
| 122 |
{ |
| 123 |
$Usernamevalid = 0; |
| 124 |
} |
| 125 |
} |
| 126 |
|
| 127 |
$Passwordlen = strlen($Password); |
| 128 |
$Passwordvalid = 1; |
| 129 |
for ($i=0; $i<$Passwordlen; $i++) |
| 130 |
{ |
| 131 |
$Curchar = Substr($Password, $i, 1); |
| 132 |
$Ord = ord($Curchar); |
| 133 |
if (! |
| 134 |
( |
| 135 |
($Ord >= ord("A") && $Ord <= ord("Z")) |
| 136 |
|| |
| 137 |
($Ord >= ord("a") && $Ord <= ord("z")) |
| 138 |
|| |
| 139 |
($Ord >= ord("0") && $Ord <= ord("9")) |
| 140 |
|| |
| 141 |
($Ord == ord("/")) |
| 142 |
|| |
| 143 |
($Ord == ord(".")) |
| 144 |
) |
| 145 |
) |
| 146 |
{ |
| 147 |
$Passwordvalid = 0; |
| 148 |
} |
| 149 |
} |
| 150 |
|
| 151 |
} |
| 152 |
// |
| 153 |
//There are a few cases to break into here, and this affects the overall layout of the page. |
| 154 |
//The header and footer are fixed, but the "guts" will change. |
| 155 |
if (!isset($Username) || !isset($Password)) |
| 156 |
{ |
| 157 |
//In this case, we are probably visiting the form for the first time, and have not done a submit. |
| 158 |
//Just display the form itself. |
| 159 |
do_form("Click To Generate Hashed Password"); |
| 160 |
} |
| 161 |
elseif ($Usernamelen < 1 || !$Usernamevalid) |
| 162 |
{ |
| 163 |
//The user name is suspicious. Must flag it. |
| 164 |
do_err_msg("The <i>Username</i> you supplied is not valid. User names must contain at least one character and may consist only of lower-case and upper-case letters and digits. Please try again."); |
| 165 |
$style->hrule_std(); |
| 166 |
do_form("Click To Generate Hashed Password"); |
| 167 |
} |
| 168 |
elseif ($Passwordlen < 2 || !$Passwordvalid) |
| 169 |
{ |
| 170 |
//The password is suspicious. Must flag it. |
| 171 |
do_err_msg("The <i>Password</i> you supplied is not valid. Passwords must contain at least two characters and may consist only of lower-case and upper-case letters and digits and the \"/\" and \".\" characters. Please try again."); |
| 172 |
$style->hrule_std(); |
| 173 |
do_form("Click To Generate Hashed Password"); |
| 174 |
} |
| 175 |
else |
| 176 |
{ |
| 177 |
//Username and password seem within minimums. Should be clear to generate hashed password. |
| 178 |
$Hashedpwd = crypt($Password, random_salt()); |
| 179 |
echo "<p align=\"left\">The hashed username/password is:</p>\n"; |
| 180 |
echo "<p align=\"left\"><font size=\"5\"> <b>"; |
| 181 |
echo $Username; |
| 182 |
echo ":"; |
| 183 |
echo $Hashedpwd; |
| 184 |
echo "</b></font></p>\n"; |
| 185 |
echo "<p align=\"left\">You may paste this value directly into an <i>Apache</i> directory \n"; |
| 186 |
echo "access file or <i>CVS</i> <i>CVSROOT/passwd</i> file. Note that if the period (\".\") \n"; |
| 187 |
echo "character or other punctuation appears as the last character(s) of the hash above, \n"; |
| 188 |
echo "it <i>is</i> part of the hash and \n"; |
| 189 |
echo "must be included when copying and pasting.</p>\n"; |
| 190 |
$style->hrule_std(); |
| 191 |
do_form("Click To Generate Another Hashed Password"); |
| 192 |
} |
| 193 |
|
| 194 |
//Now do the footer unconditionally. The footer is always used on this web page. |
| 195 |
do_footer($style); |
| 196 |
?> |
Parent Directory
| 
Revision Log