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<?php |
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require_once("style/std/stdwpstyle.inc"); |
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//---------------------------------------------------------------------------------------------------- |
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//Copyright (c) 2003, 2018 David T. Ashley. |
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// |
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//Permission is hereby granted, free of charge, to any person obtaining a copy |
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//of this software and associated documentation files (the "Software"), to deal |
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//in the Software without restriction, including without limitation the rights |
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//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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//copies of the Software, and to permit persons to whom the Software is |
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//furnished to do so, subject to the following conditions: |
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// |
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//The above copyright notice and this permission notice shall be included in all |
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//copies or substantial portions of the Software. |
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// |
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//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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//SOFTWARE. |
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//---------------------------------------------------------------------------------------------------- |
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// |
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function do_header(&$style) |
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{ |
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$style->static_page_header_title_std("HTPASSWD-Style Hashed Password Generator", |
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"<i>htpasswd</i>-Style Hashed Password Generator", |
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""); |
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echo "<p align=\"center\"><b><font size=\"3\">(This cgi-bin form generates password hashes which are \n"; |
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echo "understood by the <i>Apache</i> web server in directory access files and also by \n"; |
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echo "the <i>CVS</i> version control system when such entries are placed in the \n"; |
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echo "<i>CVSROOT/passwd</i> file. The algorithm used is the standard DES algorithm with \n"; |
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echo "randomly selected two-character salt. To use this password hash generator, \n"; |
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echo "you must normally paste the output into an <i>Apache</i> directory access file or into \n"; |
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echo "the <i>CVSROOT/passwd</i> file of a <i>CVS</i> repository.)</font></b></p>\n"; |
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$style->static_page_hrule_std(); |
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echo "<p align=\"center\"><font size=\"3\" color=\"#FF0000\"><b>WARNING:</b> The username and "; |
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echo "password you choose are "; |
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echo "transmitted over the network to the server unencrypted and can be intercepted. "; |
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echo "Use this utility "; |
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echo "at your own risk.</font></p>\n"; |
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$style->static_page_hrule_std(); |
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} |
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|
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function do_footer(&$style) |
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{ |
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$style->static_page_footer_std(); |
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} |
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|
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function do_form($Buttontext) |
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{ |
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echo "<form method=post action=\"index.php\" width=\"100%\">\n"; |
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echo "<table align=\"center\">\n"; |
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echo "<tr>\n"; |
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echo " <td width=\"10%\">\n"; |
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echo " <p align=\"right\"><b>Username</b> (required):</td>\n"; |
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echo " <td width=\"12%\"><p align=\"left\"><input type=\"text\" name=\"Username\" size=\"30\"></p></td>\n"; |
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echo " </tr>\n"; |
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echo " <tr>\n"; |
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echo " <td width=\"10%\">\n"; |
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echo " <p align=\"right\"><b>Password</b> (required):</td>\n"; |
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echo " <td width=\"12%\"><p align=\"left\"><input type=\"Password\" name=\"Password\" size=\"30\"></p></td>\n"; |
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echo " </tr>\n"; |
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echo " <tr>\n"; |
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echo " <td width=\"20%\" colspan=\"2\">\n"; |
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echo " <p align=\"center\"><input type=\"submit\" value=\""; |
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echo $Buttontext; |
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echo "\" name=\"B1\" style=\"margin-top: 12\"></td>\n"; |
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echo " </tr>\n"; |
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echo "</table>\n"; |
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echo "</form>\n"; |
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} |
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|
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function do_err_msg($Err_msg) |
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{ |
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echo "<p align=\"center\"><b><font color=\"#FF0000\">"; |
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echo $Err_msg; |
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echo "</font></b></p>\n"; |
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} |
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|
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function random_salt() |
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{ |
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//There are 64 possible values for each salt character, a-z, A-Z, 0-9, ., and /. |
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//Can easily generate a suitably random value. |
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$Matchstring = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789./"; |
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$Rand1 = rand(0,63); |
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$Rand2 = rand(0,63); |
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return(Substr($Matchstring, $Rand1, 1) . Substr($Matchstring, $Rand2, 1)); |
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} |
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|
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//Main script begins here. |
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// |
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// |
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$style = new StdWpStyle; |
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//Assign the current style in force. Also, starts the CPU |
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//usage clock. |
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|
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//Do the header unconditionally. The header is always used on this page. |
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do_header($style); |
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// |
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if (isset($_POST['Username'])) |
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$Username = $_POST['Username']; |
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// |
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if (isset($_POST['Password'])) |
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$Password = $_POST['Password']; |
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|
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//Load up a few variables based on what username and password values were supplied. |
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if (isset($Username) && isset($Password)) |
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{ |
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$Usernamelen = strlen($Username); |
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$Usernamevalid = 1; |
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for ($i=0; $i<$Usernamelen; $i++) |
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{ |
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$Curchar = Substr($Username, $i, 1); |
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$Ord = ord($Curchar); |
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if (! |
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( |
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($Ord >= ord("A") && $Ord <= ord("Z")) |
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|| |
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($Ord >= ord("a") && $Ord <= ord("z")) |
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|| |
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($Ord >= ord("0") && $Ord <= ord("9")) |
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) |
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) |
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{ |
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$Usernamevalid = 0; |
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} |
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} |
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|
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$Passwordlen = strlen($Password); |
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$Passwordvalid = 1; |
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for ($i=0; $i<$Passwordlen; $i++) |
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{ |
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$Curchar = Substr($Password, $i, 1); |
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$Ord = ord($Curchar); |
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if (! |
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( |
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($Ord >= ord("A") && $Ord <= ord("Z")) |
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|| |
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($Ord >= ord("a") && $Ord <= ord("z")) |
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|| |
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($Ord >= ord("0") && $Ord <= ord("9")) |
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|| |
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($Ord == ord("/")) |
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|| |
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($Ord == ord(".")) |
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) |
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) |
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{ |
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$Passwordvalid = 0; |
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} |
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} |
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|
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} |
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// |
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//There are a few cases to break into here, and this affects the overall layout of the page. |
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//The header and footer are fixed, but the "guts" will change. |
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if (!isset($Username) || !isset($Password)) |
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{ |
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//In this case, we are probably visiting the form for the first time, and have not done a submit. |
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//Just display the form itself. |
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do_form("Click To Generate Hashed Password"); |
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} |
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elseif ($Usernamelen < 1 || !$Usernamevalid) |
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{ |
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//The user name is suspicious. Must flag it. |
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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."); |
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$style->hrule_std(); |
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do_form("Click To Generate Hashed Password"); |
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} |
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elseif ($Passwordlen < 2 || !$Passwordvalid) |
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{ |
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//The password is suspicious. Must flag it. |
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do_err_msg("The <i>Password</i> you supplied is not valid. Passwords must contain at least two characters and may consist only of lower-case and upper-case letters and digits and the \"/\" and \".\" characters. Please try again."); |
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$style->static_page_hrule_std(); |
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do_form("Click To Generate Hashed Password"); |
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} |
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else |
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{ |
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//Username and password seem within minimums. Should be clear to generate hashed password. |
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$Hashedpwd = crypt($Password, random_salt()); |
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echo "<p align=\"left\">The hashed username/password is:</p>\n"; |
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echo "<p align=\"left\"><font size=\"5\"> <b>"; |
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echo $Username; |
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echo ":"; |
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echo $Hashedpwd; |
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echo "</b></font></p>\n"; |
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echo "<p align=\"left\">You may paste this value directly into an <i>Apache</i> directory \n"; |
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echo "access file or <i>CVS</i> <i>CVSROOT/passwd</i> file. Note that if the period (\".\") \n"; |
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echo "character or other punctuation appears as the last character(s) of the hash above, \n"; |
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echo "it <i>is</i> part of the hash and \n"; |
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echo "must be included when copying and pasting.</p>\n"; |
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$style->static_page_hrule_std(); |
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do_form("Click To Generate Another Hashed Password"); |
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} |
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|
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//Now do the footer unconditionally. The footer is always used on this web page. |
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do_footer($style); |
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?> |
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