| 1 | <?php |
| 2 | /** |
| 3 | * Merakchange password backend |
| 4 | * |
| 5 | * @author Edwin van Elk <Edwin@eve-software.com> |
| 6 | * @version $Id$ |
| 7 | * @package plugins |
| 8 | * @subpackage change_password |
| 9 | */ |
| 10 | |
| 11 | /** |
| 12 | * Config vars |
| 13 | */ |
| 14 | |
| 15 | global $merak_url, $merak_selfpage, $merak_action; |
| 16 | |
| 17 | // The Merak Server |
| 18 | |
| 19 | $merak_url = "http://localhost:32000/"; |
| 20 | $merak_selfpage = "self.html"; |
| 21 | $merak_action = "self_edit"; |
| 22 | |
| 23 | // NO NEED TO CHANGE ANYTHING BELOW THIS LINE |
| 24 | |
| 25 | global $squirrelmail_plugin_hooks; |
| 26 | $squirrelmail_plugin_hooks['change_password_dochange']['merak'] = |
| 27 | 'cpw_merak_dochange'; |
| 28 | |
| 29 | /** |
| 30 | * This is the function that is specific to your backend. It takes |
| 31 | * the current password (as supplied by the user) and the desired |
| 32 | * new password. It will return an array of messages. If everything |
| 33 | * was successful, the array will be empty. Else, it will contain |
| 34 | * the errormessage(s). |
| 35 | * Constants to be used for these messages: |
| 36 | * CPW_CURRENT_NOMATCH -> "Your current password is not correct." |
| 37 | * CPW_INVALID_PW -> "Your new password contains invalid characters." |
| 38 | * |
| 39 | * @param array data The username/currentpw/newpw data. |
| 40 | * @return array Array of error messages. |
| 41 | */ |
| 42 | function cpw_merak_dochange($data) |
| 43 | { |
| 44 | // unfortunately, we can only pass one parameter to a hook function, |
| 45 | // so we have to pass it as an array. |
| 46 | $username = $data['username']; |
| 47 | $curpw = $data['curpw']; |
| 48 | $newpw = $data['newpw']; |
| 49 | |
| 50 | $msgs = array(); |
| 51 | |
| 52 | global $merak_url, $merak_selfpage, $merak_action; |
| 53 | |
| 54 | if (!function_exists('curl_init')) { |
| 55 | |
| 56 | // user_error('Curl module NOT available!', E_USER_ERROR); |
| 57 | array_push($msgs, _("Curl module NOT available! Unable to change password!")); |
| 58 | return $msgs; |
| 59 | } |
| 60 | |
| 61 | $ch = curl_init(); |
| 62 | curl_setopt ($ch, CURLOPT_URL, $merak_url . $merak_selfpage); |
| 63 | curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1); |
| 64 | curl_setopt ($ch, CURLOPT_TIMEOUT, 10); |
| 65 | curl_setopt ($ch, CURLOPT_USERPWD, "$username:$curpw"); |
| 66 | curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1); |
| 67 | $result = curl_exec ($ch); |
| 68 | curl_close ($ch); |
| 69 | |
| 70 | if (strpos($result, "401 Access denied") <> 0) { |
| 71 | array_push($msgs, _("Cannot change password! (Is user 'Self Configurable User' ?) (401)")); |
| 72 | return $msgs; |
| 73 | } |
| 74 | |
| 75 | // Get URL from: <FORM METHOD="POST" ACTION="success.html?id=a9375ee5e445775e871d5e1401a963aa"> |
| 76 | |
| 77 | $str = stristr($result, "<FORM"); |
| 78 | $str = substr($str, 0, strpos($str, ">") + 1); |
| 79 | $str = stristr($str, "ACTION="); |
| 80 | $str = substr(stristr($str, "\""),1); |
| 81 | $str = substr($str, 0, strpos($str, "\"")); |
| 82 | |
| 83 | // Extra check to see if the result contains 'html' |
| 84 | if (!stristr($str, "html")) { |
| 85 | array_push($msgs, _("Cannot change password!") . " (1)" ); |
| 86 | return $msgs; |
| 87 | } |
| 88 | |
| 89 | $newurl = $merak_url . $str; |
| 90 | |
| 91 | // Get useraddr from: $useraddr = <INPUT TYPE="HIDDEN" NAME="usraddr" VALUE="mail@hostname.com"> |
| 92 | |
| 93 | $str = stristr($result, "usraddr"); |
| 94 | $str = substr($str, 0, strpos($str, ">") + 1); |
| 95 | $str = stristr($str, "VALUE="); |
| 96 | $str = substr(stristr($str, "\""),1); |
| 97 | $str = substr($str, 0, strpos($str, "\"")); |
| 98 | |
| 99 | // Extra check to see if the result contains '@' |
| 100 | if (!stristr($str, "@")) { |
| 101 | array_push($msgs, _("Cannot change password!") . " (2)" ); |
| 102 | return $msgs; |
| 103 | } |
| 104 | |
| 105 | $useraddr = $str; |
| 106 | |
| 107 | //Include (almost) all input fields from screen |
| 108 | |
| 109 | $contents2 = $result; |
| 110 | |
| 111 | $tag = stristr($contents2, "<INPUT"); |
| 112 | |
| 113 | while ($tag) { |
| 114 | $contents2 = stristr($contents2, "<INPUT"); |
| 115 | $tag = substr($contents2, 0, strpos($contents2, ">") + 1); |
| 116 | |
| 117 | if (GetSub($tag, "TYPE") == "TEXT" || |
| 118 | GetSub($tag, "TYPE") == "HIDDEN" || |
| 119 | GetSub($tag, "TYPE") == "PASSWORD") { |
| 120 | $tags[GetSub($tag, "NAME")] = GetSub($tag, "VALUE"); |
| 121 | } |
| 122 | |
| 123 | if ((GetSub($tag, "TYPE") == "RADIO" || |
| 124 | GetSub($tag, "TYPE") == "CHECKBOX") && |
| 125 | IsChecked($tag)) { |
| 126 | $tags[GetSub($tag, "NAME")] = GetSub($tag, "VALUE"); |
| 127 | } |
| 128 | $contents2 = substr($contents2, 1); |
| 129 | } |
| 130 | |
| 131 | $tags["action"] = $merak_action; |
| 132 | $tags["usraddr"] = $useraddr; |
| 133 | $tags["usr_pass"] = $newpw; |
| 134 | $tags["usr_conf"] = $newpw; |
| 135 | |
| 136 | $str2 = ""; |
| 137 | foreach ($tags as $key => $value) { |
| 138 | $str2 .= $key . "=" . urlencode($value) . "&"; |
| 139 | } |
| 140 | |
| 141 | $str2 = trim($str2, "&"); |
| 142 | |
| 143 | // Change password! |
| 144 | |
| 145 | $ch = curl_init(); |
| 146 | curl_setopt ($ch, CURLOPT_URL, $newurl); |
| 147 | curl_setopt ($ch, CURLOPT_POST, 1); |
| 148 | curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1); |
| 149 | curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1); |
| 150 | curl_setopt ($ch, CURLOPT_POSTFIELDS, $str2); |
| 151 | $result=curl_exec ($ch); |
| 152 | curl_close ($ch); |
| 153 | |
| 154 | if (strpos($result, "Failure") <> 0) { |
| 155 | array_push($msgs, _("Cannot change password!") . " (3)"); |
| 156 | return $msgs; |
| 157 | } |
| 158 | |
| 159 | return $msgs; |
| 160 | } |
| 161 | |
| 162 | function GetSub($tag, $type) { |
| 163 | |
| 164 | $str = stristr($tag, $type . "="); |
| 165 | $str = substr($str, strlen($type) + 1); |
| 166 | $str = trim($str, '"'); |
| 167 | |
| 168 | if (!strpos($str, " ") === false) { |
| 169 | $str = substr($str, 0, strpos($str, " ")); |
| 170 | $str = trim($str, '"'); |
| 171 | } |
| 172 | |
| 173 | if (!(strpos($str, '"') === false)) { |
| 174 | $str = substr($str, 0, strpos($str, '"')); |
| 175 | } |
| 176 | |
| 177 | $str = trim($str, '>'); |
| 178 | |
| 179 | return $str; |
| 180 | } |
| 181 | |
| 182 | function IsChecked($tag) { |
| 183 | |
| 184 | if (!(strpos(strtolower($tag), 'checked') === false)) { |
| 185 | return true; |
| 186 | } |
| 187 | |
| 188 | return false; |
| 189 | } |