line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
1
|
|
|
|
|
|
|
############################################################################### |
2
|
|
|
|
|
|
|
# Perl Module WWW::Authenticate |
3
|
|
|
|
|
|
|
# |
4
|
|
|
|
|
|
|
# copyright 2001 D. Scott Barninger |
5
|
|
|
|
|
|
|
# copyright 2001 Chris Fleizach |
6
|
|
|
|
|
|
|
# licensed under the GNU General Public License ver. 2.0 |
7
|
|
|
|
|
|
|
# see the accompaning LICENSE file |
8
|
|
|
|
|
|
|
############################################################################### |
9
|
|
|
|
|
|
|
|
10
|
|
|
|
|
|
|
package WWW::Authenticate; |
11
|
|
|
|
|
|
|
|
12
|
1
|
|
|
1
|
|
1204
|
use strict; |
|
1
|
|
|
|
|
3
|
|
|
1
|
|
|
|
|
52
|
|
13
|
|
|
|
|
|
|
|
14
|
|
|
|
|
|
|
BEGIN { |
15
|
1
|
|
|
1
|
|
5
|
use vars qw($VERSION @ISA @EXPORT); |
|
1
|
|
|
|
|
2
|
|
|
1
|
|
|
|
|
85
|
|
16
|
1
|
|
|
1
|
|
10298
|
use DBI; |
|
0
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
17
|
|
|
|
|
|
|
|
18
|
|
|
|
|
|
|
require Exporter; |
19
|
|
|
|
|
|
|
|
20
|
|
|
|
|
|
|
@ISA = qw(Exporter); |
21
|
|
|
|
|
|
|
|
22
|
|
|
|
|
|
|
# exported functions |
23
|
|
|
|
|
|
|
@EXPORT = qw( |
24
|
|
|
|
|
|
|
&CheckAuth |
25
|
|
|
|
|
|
|
&GetSessionCookie |
26
|
|
|
|
|
|
|
&Login |
27
|
|
|
|
|
|
|
&Logout); |
28
|
|
|
|
|
|
|
|
29
|
|
|
|
|
|
|
$VERSION = '0.6.0'; |
30
|
|
|
|
|
|
|
} |
31
|
|
|
|
|
|
|
|
32
|
|
|
|
|
|
|
# package globals |
33
|
|
|
|
|
|
|
use vars qw($dbh); |
34
|
|
|
|
|
|
|
$dbh = ""; |
35
|
|
|
|
|
|
|
|
36
|
|
|
|
|
|
|
|
37
|
|
|
|
|
|
|
################################################################################ |
38
|
|
|
|
|
|
|
# FUNCTION: CheckAuth($dsn,$sql_username,$sql_password,$sql_table,$session) |
39
|
|
|
|
|
|
|
# DESCRIPTION: authenticates the user using current session number |
40
|
|
|
|
|
|
|
################################################################################ |
41
|
|
|
|
|
|
|
sub CheckAuth |
42
|
|
|
|
|
|
|
{ |
43
|
|
|
|
|
|
|
my ($dsn,$sql_username,$sql_password,$sql_table,$session) = @_; |
44
|
|
|
|
|
|
|
my $SQL = qq| select session from $sql_table where session = "$session" |; |
45
|
|
|
|
|
|
|
$dbh = Connect($dsn,$sql_username,$sql_password); |
46
|
|
|
|
|
|
|
my $sth = DatabaseQuery($dbh,$SQL); |
47
|
|
|
|
|
|
|
my ($t_session) = $sth->fetchrow_array(); |
48
|
|
|
|
|
|
|
$dbh->disconnect(); |
49
|
|
|
|
|
|
|
|
50
|
|
|
|
|
|
|
if (!$t_session) { |
51
|
|
|
|
|
|
|
return 0; |
52
|
|
|
|
|
|
|
} |
53
|
|
|
|
|
|
|
else { |
54
|
|
|
|
|
|
|
return 1; |
55
|
|
|
|
|
|
|
} |
56
|
|
|
|
|
|
|
} |
57
|
|
|
|
|
|
|
|
58
|
|
|
|
|
|
|
|
59
|
|
|
|
|
|
|
################################################################################ |
60
|
|
|
|
|
|
|
# FUNCTION: Cleanup |
61
|
|
|
|
|
|
|
# DESCRIPTION: To be called when exiting |
62
|
|
|
|
|
|
|
################################################################################ |
63
|
|
|
|
|
|
|
sub Cleanup |
64
|
|
|
|
|
|
|
{ |
65
|
|
|
|
|
|
|
$dbh->disconnect(); |
66
|
|
|
|
|
|
|
exit(0); |
67
|
|
|
|
|
|
|
} |
68
|
|
|
|
|
|
|
|
69
|
|
|
|
|
|
|
################################################################################ |
70
|
|
|
|
|
|
|
# FUNCTION: Connect($dsn,$sql_username,$sql_password) |
71
|
|
|
|
|
|
|
# DESCRIPTION: Connect to the MySQL database |
72
|
|
|
|
|
|
|
################################################################################ |
73
|
|
|
|
|
|
|
sub Connect |
74
|
|
|
|
|
|
|
{ |
75
|
|
|
|
|
|
|
my ($dsn,$sql_username,$sql_password) = @_; |
76
|
|
|
|
|
|
|
$dbh = DBI->connect($dsn,$sql_username,$sql_password) |
77
|
|
|
|
|
|
|
or ErrorMessage("Could not connect to the database."); |
78
|
|
|
|
|
|
|
return $dbh; |
79
|
|
|
|
|
|
|
} |
80
|
|
|
|
|
|
|
|
81
|
|
|
|
|
|
|
################################################################################ |
82
|
|
|
|
|
|
|
# FUNCTION: CreateSession |
83
|
|
|
|
|
|
|
# DESCRIPTION: gets info in cookies |
84
|
|
|
|
|
|
|
################################################################################ |
85
|
|
|
|
|
|
|
sub CreateSession |
86
|
|
|
|
|
|
|
{ |
87
|
|
|
|
|
|
|
my $size=int(rand(256)+255); |
88
|
|
|
|
|
|
|
my $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; |
89
|
|
|
|
|
|
|
my @array= split(//,$chars); |
90
|
|
|
|
|
|
|
my @dots = (); |
91
|
|
|
|
|
|
|
while($size--){ |
92
|
|
|
|
|
|
|
push @dots,$array[rand(@array)]; |
93
|
|
|
|
|
|
|
} |
94
|
|
|
|
|
|
|
|
95
|
|
|
|
|
|
|
my $line = ""; |
96
|
|
|
|
|
|
|
foreach (@dots) { |
97
|
|
|
|
|
|
|
if (int(rand(time^$$)) % 2 == 0) { |
98
|
|
|
|
|
|
|
$line .= $_; |
99
|
|
|
|
|
|
|
} |
100
|
|
|
|
|
|
|
} |
101
|
|
|
|
|
|
|
|
102
|
|
|
|
|
|
|
my $add = ""; |
103
|
|
|
|
|
|
|
for (my $k = 0; $k < 40; $k++) { |
104
|
|
|
|
|
|
|
my $n1 = int(rand(length($line))); |
105
|
|
|
|
|
|
|
my $sub = substr($line,$n1,1); |
106
|
|
|
|
|
|
|
$add .= "$sub$n1"; |
107
|
|
|
|
|
|
|
} |
108
|
|
|
|
|
|
|
|
109
|
|
|
|
|
|
|
my $session = int(rand(99999999)) . crypt(time*rand(999),"YT") . $add . |
110
|
|
|
|
|
|
|
crypt(rand(730300334) * rand(31443),"EP"); |
111
|
|
|
|
|
|
|
return $session; |
112
|
|
|
|
|
|
|
} |
113
|
|
|
|
|
|
|
################################################################################ |
114
|
|
|
|
|
|
|
# FUNCTION: DatabaseQuery($dbh,$SQL) |
115
|
|
|
|
|
|
|
# DESCRIPTION: Allows for a query to the database, for a general query |
116
|
|
|
|
|
|
|
# If they didn't send a where clause, we have to ignore it |
117
|
|
|
|
|
|
|
# Returns a sth handle so that the user can define what the sth |
118
|
|
|
|
|
|
|
# fetchrow_array should return |
119
|
|
|
|
|
|
|
################################################################################ |
120
|
|
|
|
|
|
|
sub DatabaseQuery |
121
|
|
|
|
|
|
|
{ |
122
|
|
|
|
|
|
|
my ($dbh,$SQL) = @_; |
123
|
|
|
|
|
|
|
|
124
|
|
|
|
|
|
|
my $sth = $dbh->prepare($SQL) || ErrorMessage($SQL); |
125
|
|
|
|
|
|
|
$sth->execute() || ErrorMessage($SQL); |
126
|
|
|
|
|
|
|
return $sth; |
127
|
|
|
|
|
|
|
} |
128
|
|
|
|
|
|
|
|
129
|
|
|
|
|
|
|
################################################################################ |
130
|
|
|
|
|
|
|
# FUNCTION: ErrorMessage |
131
|
|
|
|
|
|
|
# DESCRIPTION: When something fails should print the error message that is |
132
|
|
|
|
|
|
|
# passed and we also output to a log. Then we call Cleanup and |
133
|
|
|
|
|
|
|
# exit the program |
134
|
|
|
|
|
|
|
################################################################################ |
135
|
|
|
|
|
|
|
sub ErrorMessage |
136
|
|
|
|
|
|
|
{ |
137
|
|
|
|
|
|
|
my $message = shift; |
138
|
|
|
|
|
|
|
print qq|$message\n$DBI::err ($DBI::errstr)|; |
139
|
|
|
|
|
|
|
Cleanup(); |
140
|
|
|
|
|
|
|
} |
141
|
|
|
|
|
|
|
|
142
|
|
|
|
|
|
|
################################################################################ |
143
|
|
|
|
|
|
|
# FUNCTION: GetSessionCookie |
144
|
|
|
|
|
|
|
# DESCRIPTION: gets info in cookies |
145
|
|
|
|
|
|
|
################################################################################ |
146
|
|
|
|
|
|
|
sub GetSessionCookie |
147
|
|
|
|
|
|
|
{ |
148
|
|
|
|
|
|
|
use CGI qw/:standard/; |
149
|
|
|
|
|
|
|
use CGI::Cookie; |
150
|
|
|
|
|
|
|
# fetch existing cookies |
151
|
|
|
|
|
|
|
my %cookies = fetch CGI::Cookie; |
152
|
|
|
|
|
|
|
my ($session,$id); |
153
|
|
|
|
|
|
|
if ($cookies{'session'}) { $session = $cookies{'session'}->value; } |
154
|
|
|
|
|
|
|
if ($cookies{'id'}) { $id = $cookies{'id'}->value; } |
155
|
|
|
|
|
|
|
return ($session,$id); |
156
|
|
|
|
|
|
|
} |
157
|
|
|
|
|
|
|
|
158
|
|
|
|
|
|
|
################################################################################ |
159
|
|
|
|
|
|
|
# FUNCTION: Login($dsn,$sql_username,$sql_password,$sql_table,$username,$password) |
160
|
|
|
|
|
|
|
# DESCRIPTION: The user will log in, sending the username and password |
161
|
|
|
|
|
|
|
################################################################################ |
162
|
|
|
|
|
|
|
sub Login |
163
|
|
|
|
|
|
|
{ |
164
|
|
|
|
|
|
|
my ($dsn,$sql_username,$sql_password,$sql_table,$username,$password) = @_; |
165
|
|
|
|
|
|
|
my $SQL = qq| select id from $sql_table where user_name = "$username" and |
166
|
|
|
|
|
|
|
password = "$password" |; |
167
|
|
|
|
|
|
|
$dbh = Connect($dsn,$sql_username,$sql_password); |
168
|
|
|
|
|
|
|
my $sth = DatabaseQuery($dbh,$SQL); |
169
|
|
|
|
|
|
|
my ($uid) = $sth->fetchrow_array(); |
170
|
|
|
|
|
|
|
|
171
|
|
|
|
|
|
|
# if we pass this condition, the user has logged in, so retrieve information |
172
|
|
|
|
|
|
|
if (!$uid) { |
173
|
|
|
|
|
|
|
$dbh->disconnect(); |
174
|
|
|
|
|
|
|
return 0; |
175
|
|
|
|
|
|
|
} |
176
|
|
|
|
|
|
|
else { |
177
|
|
|
|
|
|
|
$dbh->disconnect(); |
178
|
|
|
|
|
|
|
LoginTheUser($dsn,$sql_username,$sql_password,$sql_table,$uid); |
179
|
|
|
|
|
|
|
} |
180
|
|
|
|
|
|
|
} |
181
|
|
|
|
|
|
|
|
182
|
|
|
|
|
|
|
################################################################################ |
183
|
|
|
|
|
|
|
# FUNCTION: LoginTheUser |
184
|
|
|
|
|
|
|
# DESCRIPTION: process screen |
185
|
|
|
|
|
|
|
################################################################################ |
186
|
|
|
|
|
|
|
sub LoginTheUser |
187
|
|
|
|
|
|
|
{ |
188
|
|
|
|
|
|
|
my ($dsn,$sql_username,$sql_password,$sql_table,$uid) = @_; |
189
|
|
|
|
|
|
|
my $session = CreateSession(); |
190
|
|
|
|
|
|
|
$dbh = Connect($dsn,$sql_username,$sql_password); |
191
|
|
|
|
|
|
|
my $SQL = qq| update $sql_table set session="$session" where id = "$uid" |; |
192
|
|
|
|
|
|
|
my $sth = DatabaseQuery($dbh,$SQL); |
193
|
|
|
|
|
|
|
SetSessionCookie($session,$uid); |
194
|
|
|
|
|
|
|
$dbh->disconnect(); |
195
|
|
|
|
|
|
|
return 1; |
196
|
|
|
|
|
|
|
} |
197
|
|
|
|
|
|
|
|
198
|
|
|
|
|
|
|
################################################################################ |
199
|
|
|
|
|
|
|
# FUNCTION: Logout($dsn,$sql_username,$sql_password,$sql_table,$session,$uid) |
200
|
|
|
|
|
|
|
# DESCRIPTION: The user will be logged out deleting the session value in the DB |
201
|
|
|
|
|
|
|
################################################################################ |
202
|
|
|
|
|
|
|
sub Logout |
203
|
|
|
|
|
|
|
{ |
204
|
|
|
|
|
|
|
my ($dsn,$sql_username,$sql_password,$sql_table,$session,$uid) = @_; |
205
|
|
|
|
|
|
|
my $SQL = qq| SELECT session FROM $sql_table WHERE session = "$session" AND |
206
|
|
|
|
|
|
|
id = "$uid" |; |
207
|
|
|
|
|
|
|
$dbh = Connect($dsn,$sql_username,$sql_password); |
208
|
|
|
|
|
|
|
my $sth = DatabaseQuery($dbh,$SQL); |
209
|
|
|
|
|
|
|
my ($db_session) = $sth->fetchrow_array(); |
210
|
|
|
|
|
|
|
if (!$db_session) { |
211
|
|
|
|
|
|
|
$dbh->disconnect(); |
212
|
|
|
|
|
|
|
return 0; |
213
|
|
|
|
|
|
|
} |
214
|
|
|
|
|
|
|
else { |
215
|
|
|
|
|
|
|
my $SQL = qq| update $sql_table set session="NULL" where session = "$session" |
216
|
|
|
|
|
|
|
and id = "$uid" |; |
217
|
|
|
|
|
|
|
|
218
|
|
|
|
|
|
|
my $sth = DatabaseQuery($dbh,$SQL); |
219
|
|
|
|
|
|
|
$dbh->disconnect(); |
220
|
|
|
|
|
|
|
} |
221
|
|
|
|
|
|
|
} |
222
|
|
|
|
|
|
|
|
223
|
|
|
|
|
|
|
################################################################################ |
224
|
|
|
|
|
|
|
# FUNCTION: SetSessionCookie |
225
|
|
|
|
|
|
|
# DESCRIPTION: sets session of admin with a cookie |
226
|
|
|
|
|
|
|
################################################################################ |
227
|
|
|
|
|
|
|
sub SetSessionCookie |
228
|
|
|
|
|
|
|
{ |
229
|
|
|
|
|
|
|
my ($session,$id) = @_; |
230
|
|
|
|
|
|
|
use CGI qw/:standard/; |
231
|
|
|
|
|
|
|
use CGI::Cookie; |
232
|
|
|
|
|
|
|
my $cookie1 = new CGI::Cookie(-name=>'session',-value=>$session); |
233
|
|
|
|
|
|
|
my $cookie2 = new CGI::Cookie(-name=>'id',-value=>$id); |
234
|
|
|
|
|
|
|
|
235
|
|
|
|
|
|
|
print header(-Cookie=>[$cookie1,$cookie2],-type=>"text/html"); |
236
|
|
|
|
|
|
|
} |
237
|
|
|
|
|
|
|
|
238
|
|
|
|
|
|
|
1; |
239
|
|
|
|
|
|
|
__END__ |