1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
|
package org.openslx.taskmanager.tasks;
import java.io.File;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import org.apache.commons.io.FileUtils;
import org.apache.log4j.Logger;
import org.openslx.satserver.util.LdapMapping;
import org.openslx.satserver.util.Util;
import org.openslx.taskmanager.api.SystemCommandTask;
import com.google.gson.annotations.Expose;
public class LdapSearch extends SystemCommandTask
{
private static final Logger LOGGER = Logger.getLogger( LdapSearch.class );
@Expose
private String server = null;
@Expose
private String searchbase = null;
@Expose
private String binddn = null;
@Expose
private String bindpw = null;
@Expose
private boolean plainldap = false;
@Expose
private String filter = null;
@Expose
private LdapMapping mapping = null;
private String fifo = null;
private boolean getDn = false;
private volatile int userCount = 0;
private volatile int userIdCount = 0;
private Output status = new Output();
@Override
protected boolean initTask()
{
this.setStatusObject( this.status );
if ( this.server == null || this.searchbase == null ) {
status.messages = "Missing parameter";
return false;
}
if ( this.binddn == null )
this.binddn = "";
if ( this.bindpw == null )
this.bindpw = "";
this.timeoutSeconds = 5;
return true;
}
@Override
protected String[] initCommandLine()
{
if ( this.mapping == null )
this.mapping = new LdapMapping();
if ( this.plainldap ) {
if ( Util.isEmpty( mapping.posixAccount ) ) {
mapping.posixAccount = "posixAccount";
}
if ( Util.isEmpty( mapping.uid ) ) {
mapping.uid = "uid";
}
if ( Util.isEmpty( mapping.uidnumber ) ) {
mapping.uidnumber = "uidnumber";
}
} else {
if ( Util.isEmpty( mapping.posixAccount ) ) {
mapping.posixAccount = "user";
}
if ( Util.isEmpty( mapping.uid ) ) {
mapping.uid = "sAMAccountName";
}
if ( Util.isEmpty( mapping.uidnumber ) ) {
mapping.uidnumber = "objectSid";
}
}
mapping.uid = mapping.uid.toLowerCase();
mapping.uidnumber = mapping.uidnumber.toLowerCase();
if ( !this.bindpw.isEmpty() ) {
this.fifo = String.format( "/tmp/bwlp-%s-%s.ldap", System.currentTimeMillis(), new Random().nextInt() );
File pwFile = new File( this.fifo );
FileUtils.deleteQuietly( pwFile );
try {
pwFile.createNewFile();
pwFile.setReadable( false, false );
pwFile.setReadable( true, true );
FileUtils.writeStringToFile( pwFile, this.bindpw, StandardCharsets.UTF_8 );
} catch ( IOException e ) {
FileUtils.deleteQuietly( pwFile );
status.messages = e.toString();
LOGGER.warn( "Cannot create pwfile", e );
return null;
}
}
String filter;
if ( this.filter == null || this.filter.isEmpty() ) {
status.addMessage( "Trying to find 4 random users to verify everything is all right..." );
filter = "(&(objectClass=" + mapping.posixAccount + ")(" + mapping.uid + "=*)(" + mapping.uidnumber + "=*))";
} else {
this.getDn = true;
filter = this.filter;
}
status.addMessage( "Using filter: " + filter );
// As we don't care about the certificate here, you might want to put TLS_REQCERT never
// in /etc/ldap/ldap.conf
if ( this.bindpw.isEmpty() ) {
return new String[] {
"ldapsearch",
"-x", // Simple auth
"-LLL", // No additional stuff
"-H", this.server, // Host
"-b", this.searchbase, // SB
"-D", this.binddn, // DN
"-l", "4", // Time limit in seconds
"-o", "nettimeout=4",
"-z", "4", // Max number of results
"-o", "ldif-wrap=no", // Turn off retarded line wrapping done by ldapsearch
filter
};
}
return new String[] {
"ldapsearch",
"-x", // Simple auth
"-LLL", // No additional stuff
"-y", this.fifo, // Password from file
"-H", this.server, // Host
"-b", this.searchbase, // SB
"-D", this.binddn, // DN
"-l", "4", // Time limit in seconds
"-o", "nettimeout=4",
"-z", "4", // Max number of results
"-o", "ldif-wrap=no", // Turn off retarded line wrapping done by ldapsearch
filter
};
}
@Override
protected boolean processEnded( int exitCode )
{
if ( this.fifo != null ) {
FileUtils.deleteQuietly( new File( this.fifo ) );
}
if ( exitCode == 4 ) // Means size limit exceeded, ignore
exitCode = 0;
status.addMessage( "Exit code is " + exitCode );
if ( exitCode == 0 && !this.getDn ) {
if ( this.userCount < 4 ) {
status.addMessage( "Found less than 4 users. Are you sure you got the right credentials?" );
}
if ( this.userIdCount < 4 ) {
status.addMessage( "Found less than 4 user ids. Are you sure you got the right credentials?" );
}
}
return ( this.userCount >= 4 && this.userIdCount >= 4 ) || ( this.getDn && status.dn != null );
}
@Override
protected void processStdOut( String line )
{
String lower = line.toLowerCase();
if ( lower.startsWith( mapping.uid + ":" ) ) {
status.addMessage( "Found " + line + " :-)" );
this.userCount++;
return;
}
if ( lower.startsWith( mapping.uidnumber + ":" ) ) {
status.addMessage( "Found " + line + " :-)" );
this.userIdCount++;
return;
}
if ( lower.startsWith( "dn: " ) ) {
status.dn = line.substring( 4 );
return;
}
// Figure out if we have homedir
if ( this.getDn ) {
String p[] = line.split( ": ", 2 );
if ( p.length == 2 ) {
int score = 0;
if ( p[1].startsWith( "\\\\" ) ) {
score += 10;
}
if ( p[0].equalsIgnoreCase( "homeDirectory" ) ) {
score += 60;
} else if ( p[0].contains( "homeDirectory" ) ) {
score += 50;
} else if ( p[0].contains( "homedirectory" ) ) {
score += 40;
} else if ( p[0].contains( "home" ) ) {
score += 10;
}
if ( p[0].contains( "user" ) ) {
score += 10;
}
if ( score > 10 ) {
status.addMessage( "Potential home directory attribute: " + p[0] );
status.home.add( new DirCandidate( p[0], p[1], score ) );
return;
}
}
}
}
@Override
protected void processStdErr( String line )
{
if ( line.contains( "Size limit exceeded" ) )
return;
status.addMessage( "Error: " + line );
}
class DirCandidate
{
public String attr;
public String value;
public int score;
public DirCandidate( String attr, String value, int score )
{
this.attr = attr;
this.value = value;
this.score = score;
}
}
class Output
{
private String messages = null;
public String dn = null;
public List<DirCandidate> home = new ArrayList<>();
private synchronized void addMessage( String str )
{
if ( messages == null ) {
messages = str;
} else {
messages += "\n" + str;
}
}
}
}
|
