27663afe |
1 | <?php |
21b8ca51 |
2 | /** |
3 | * MySQL change password backend |
4 | * |
5 | * @author Thijs Kinkhorst <kink@squirrelmail.org> |
6 | * @version $Id$ |
7 | * @package plugins |
8 | * @subpackage change_password |
27663afe |
9 | */ |
10 | |
11 | /** |
12 | * Config vars |
13 | */ |
14 | |
15 | global $mysql_server, $mysql_database, $mysql_table, $mysql_userid_field, |
16 | $mysql_password_field, $mysql_manager_id, $mysql_manager_pw; |
17 | |
18 | // The MySQL Server |
19 | $mysql_server = 'localhost'; |
20 | $mysql_database = 'email'; |
21 | $mysql_table = 'users'; |
22 | |
23 | // The names of the user ID and password columns |
24 | $mysql_userid_field = 'id'; |
25 | $mysql_password_field ='password'; |
26 | |
27 | // The user to log into MySQL with (must have rights) |
28 | $mysql_manager_id = 'email_admin'; |
29 | $mysql_manager_pw = 'xxxxxxx'; |
30 | |
31 | |
32 | // NO NEED TO CHANGE ANYTHING BELOW THIS LINE |
33 | |
34 | global $squirrelmail_plugin_hooks; |
35 | $squirrelmail_plugin_hooks['change_password_dochange']['mysql'] = |
36 | 'cpw_mysql_dochange'; |
37 | |
38 | /** |
39 | * This is the function that is specific to your backend. It takes |
40 | * the current password (as supplied by the user) and the desired |
41 | * new password. It will return an array of messages. If everything |
42 | * was successful, the array will be empty. Else, it will contain |
43 | * the errormessage(s). |
44 | * Constants to be used for these messages: |
45 | * CPW_CURRENT_NOMATCH -> "Your current password is not correct." |
46 | * CPW_INVALID_PW -> "Your new password contains invalid characters." |
47 | * |
48 | * @param array data The username/currentpw/newpw data. |
49 | * @return array Array of error messages. |
50 | */ |
51 | function cpw_mysql_dochange($data) |
52 | { |
53 | // unfortunately, we can only pass one parameter to a hook function, |
54 | // so we have to pass it as an array. |
55 | $username = $data['username']; |
56 | $curpw = $data['curpw']; |
57 | $newpw = $data['newpw']; |
58 | |
59 | $msgs = array(); |
60 | |
61 | global $mysql_server, $mysql_database, $mysql_table, $mysql_userid_field, |
62 | $mysql_password_field, $mysql_manager_id, $mysql_manager_pw; |
63 | |
64 | $ds = mysql_pconnect($mysql_server, $mysql_manager_id, $mysql_manager_pw); |
65 | if (! $ds) { |
66 | array_push($msgs, _("Cannot connect to Database Server, please try later!")); |
67 | return $msgs; |
68 | } |
69 | if (!mysql_select_db($mysql_database, $ds)) { |
70 | array_push($msgs, _("Database not found on server")); |
71 | return $msgs; |
72 | } |
73 | |
74 | $query_string = 'SELECT ' . $mysql_userid_field . ',' . $mysql_password_field |
75 | . ' FROM ' . $mysql_table |
76 | . ' WHERE ' . $mysql_userid_field . '="' . mysql_escape_string($username) .'"' |
77 | . ' AND ' . $mysql_password_field . '="' . mysql_escape_string($curpw) . '"'; |
78 | $select_result = mysql_query($query_string, $ds); |
79 | if (!$select_result) { |
80 | array_push($msgs, _("SQL call failed, try again later.")); |
81 | return $msgs; |
82 | } |
83 | |
84 | if (mysql_num_rows($select_result) == 0) { |
85 | array_push($msgs, CPW_CURRENT_NOMATCH); |
86 | return $msgs; |
87 | } |
88 | if (mysql_num_rows($select_result) > 1) { |
89 | //make sure we only have 1 uid |
90 | array_push($msgs, _("Duplicate login entries detected, cannot change password!")); |
91 | return $msgs; |
92 | } |
93 | |
94 | $update_string = 'UPDATE '. $mysql_table . ' SET ' . $mysql_password_field |
95 | . ' = "' . mysql_escape_string($cp_newpass) . '"' |
96 | . ' WHERE ' . $mysql_userid_field . ' = "' . mysql_escape_string($username) . '"'; |
97 | if (!mysql_query($update_string, $ds)) { |
98 | array_push($msgs, _("Password change was not successful!")); |
99 | } |
100 | |
101 | return $msgs; |
102 | } |