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1 | <?php |
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2 | |
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3 | /** |
4 | * Merakchange password backend |
5 | * |
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6 | * @author Edwin van Elk <edwin at eve-software.com> |
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7 | * @copyright © 2004-2006 The SquirrelMail Project Team |
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8 | * @license http://opensource.org/licenses/gpl-license.php GNU Public License |
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9 | * @version $Id$ |
10 | * @package plugins |
11 | * @subpackage change_password |
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12 | */ |
13 | |
14 | /** |
15 | * Config vars |
16 | */ |
17 | |
18 | global $merak_url, $merak_selfpage, $merak_action; |
19 | |
20 | // The Merak Server |
21 | |
22 | $merak_url = "http://localhost:32000/"; |
23 | $merak_selfpage = "self.html"; |
24 | $merak_action = "self_edit"; |
25 | |
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26 | // get overrides from config. |
27 | if ( isset($cpw_merak) && is_array($cpw_merak) && !empty($cpw_merak) ) { |
28 | foreach ( $cpw_merak as $key => $value ) { |
29 | if ( isset(${'merak_'.$key}) ) |
30 | ${'merak_'.$key} = $value; |
31 | } |
32 | } |
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33 | |
34 | global $squirrelmail_plugin_hooks; |
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35 | $squirrelmail_plugin_hooks['change_password_dochange']['merak'] = |
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36 | 'cpw_merak_dochange'; |
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37 | $squirrelmail_plugin_hooks['change_password_init']['merak'] = |
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38 | 'cpw_merak_init'; |
39 | |
40 | /** |
41 | * Check if php install has all required extensions. |
42 | */ |
43 | function cpw_merak_init() { |
44 | global $color; |
45 | |
46 | /** |
47 | * If SM_PATH isn't defined, define it. Required to include files. |
48 | * @ignore |
49 | */ |
50 | if (!defined('SM_PATH')) { |
51 | define('SM_PATH','../../../'); |
52 | } |
53 | |
54 | // load error_box() function |
55 | include_once(SM_PATH . 'functions/display_messages.php'); |
56 | |
57 | if (!function_exists('curl_init')) { |
58 | // user_error('Curl module NOT available!', E_USER_ERROR); |
59 | error_box(_("PHP Curl extension is NOT available! Unable to change password!"),$color); |
60 | // close html and stop script execution |
61 | echo "</body></html>\n"; |
62 | exit(); |
63 | } |
64 | } |
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65 | |
66 | /** |
67 | * This is the function that is specific to your backend. It takes |
68 | * the current password (as supplied by the user) and the desired |
69 | * new password. It will return an array of messages. If everything |
70 | * was successful, the array will be empty. Else, it will contain |
71 | * the errormessage(s). |
72 | * Constants to be used for these messages: |
73 | * CPW_CURRENT_NOMATCH -> "Your current password is not correct." |
74 | * CPW_INVALID_PW -> "Your new password contains invalid characters." |
75 | * |
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76 | * @param array data The username/currentpw/newpw data. |
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77 | * @return array Array of error messages. |
78 | */ |
79 | function cpw_merak_dochange($data) |
80 | { |
81 | // unfortunately, we can only pass one parameter to a hook function, |
82 | // so we have to pass it as an array. |
83 | $username = $data['username']; |
84 | $curpw = $data['curpw']; |
85 | $newpw = $data['newpw']; |
86 | |
87 | $msgs = array(); |
88 | |
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89 | global $merak_url, $merak_selfpage, $merak_action; |
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90 | |
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91 | $ch = curl_init(); |
92 | curl_setopt ($ch, CURLOPT_URL, $merak_url . $merak_selfpage); |
93 | curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1); |
94 | curl_setopt ($ch, CURLOPT_TIMEOUT, 10); |
95 | curl_setopt ($ch, CURLOPT_USERPWD, "$username:$curpw"); |
96 | curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1); |
97 | $result = curl_exec ($ch); |
98 | curl_close ($ch); |
99 | |
100 | if (strpos($result, "401 Access denied") <> 0) { |
101 | array_push($msgs, _("Cannot change password! (Is user 'Self Configurable User' ?) (401)")); |
102 | return $msgs; |
103 | } |
104 | |
105 | // Get URL from: <FORM METHOD="POST" ACTION="success.html?id=a9375ee5e445775e871d5e1401a963aa"> |
106 | |
107 | $str = stristr($result, "<FORM"); |
108 | $str = substr($str, 0, strpos($str, ">") + 1); |
109 | $str = stristr($str, "ACTION="); |
110 | $str = substr(stristr($str, "\""),1); |
111 | $str = substr($str, 0, strpos($str, "\"")); |
112 | |
113 | // Extra check to see if the result contains 'html' |
114 | if (!stristr($str, "html")) { |
115 | array_push($msgs, _("Cannot change password!") . " (1)" ); |
116 | return $msgs; |
117 | } |
118 | |
119 | $newurl = $merak_url . $str; |
120 | |
121 | // Get useraddr from: $useraddr = <INPUT TYPE="HIDDEN" NAME="usraddr" VALUE="mail@hostname.com"> |
122 | |
123 | $str = stristr($result, "usraddr"); |
124 | $str = substr($str, 0, strpos($str, ">") + 1); |
125 | $str = stristr($str, "VALUE="); |
126 | $str = substr(stristr($str, "\""),1); |
127 | $str = substr($str, 0, strpos($str, "\"")); |
128 | |
129 | // Extra check to see if the result contains '@' |
130 | if (!stristr($str, "@")) { |
131 | array_push($msgs, _("Cannot change password!") . " (2)" ); |
132 | return $msgs; |
133 | } |
134 | |
135 | $useraddr = $str; |
136 | |
137 | //Include (almost) all input fields from screen |
138 | |
139 | $contents2 = $result; |
140 | |
141 | $tag = stristr($contents2, "<INPUT"); |
142 | |
143 | while ($tag) { |
144 | $contents2 = stristr($contents2, "<INPUT"); |
145 | $tag = substr($contents2, 0, strpos($contents2, ">") + 1); |
146 | |
147 | if (GetSub($tag, "TYPE") == "TEXT" || |
148 | GetSub($tag, "TYPE") == "HIDDEN" || |
149 | GetSub($tag, "TYPE") == "PASSWORD") { |
150 | $tags[GetSub($tag, "NAME")] = GetSub($tag, "VALUE"); |
151 | } |
152 | |
153 | if ((GetSub($tag, "TYPE") == "RADIO" || |
154 | GetSub($tag, "TYPE") == "CHECKBOX") && |
155 | IsChecked($tag)) { |
156 | $tags[GetSub($tag, "NAME")] = GetSub($tag, "VALUE"); |
157 | } |
158 | $contents2 = substr($contents2, 1); |
159 | } |
160 | |
161 | $tags["action"] = $merak_action; |
162 | $tags["usraddr"] = $useraddr; |
163 | $tags["usr_pass"] = $newpw; |
164 | $tags["usr_conf"] = $newpw; |
165 | |
166 | $str2 = ""; |
167 | foreach ($tags as $key => $value) { |
168 | $str2 .= $key . "=" . urlencode($value) . "&"; |
169 | } |
170 | |
171 | $str2 = trim($str2, "&"); |
172 | |
173 | // Change password! |
174 | |
175 | $ch = curl_init(); |
176 | curl_setopt ($ch, CURLOPT_URL, $newurl); |
177 | curl_setopt ($ch, CURLOPT_POST, 1); |
178 | curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1); |
179 | curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1); |
180 | curl_setopt ($ch, CURLOPT_POSTFIELDS, $str2); |
181 | $result=curl_exec ($ch); |
182 | curl_close ($ch); |
183 | |
184 | if (strpos($result, "Failure") <> 0) { |
185 | array_push($msgs, _("Cannot change password!") . " (3)"); |
186 | return $msgs; |
187 | } |
188 | |
189 | return $msgs; |
190 | } |
191 | |
192 | function GetSub($tag, $type) { |
193 | |
194 | $str = stristr($tag, $type . "="); |
195 | $str = substr($str, strlen($type) + 1); |
196 | $str = trim($str, '"'); |
197 | |
198 | if (!strpos($str, " ") === false) { |
199 | $str = substr($str, 0, strpos($str, " ")); |
200 | $str = trim($str, '"'); |
201 | } |
202 | |
203 | if (!(strpos($str, '"') === false)) { |
204 | $str = substr($str, 0, strpos($str, '"')); |
205 | } |
206 | |
207 | $str = trim($str, '>'); |
208 | |
209 | return $str; |
210 | } |
211 | |
212 | function IsChecked($tag) { |
213 | |
214 | if (!(strpos(strtolower($tag), 'checked') === false)) { |
215 | return true; |
216 | } |
217 | |
218 | return false; |
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219 | } |