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Fixed some netstat output and parsing errors

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This commit is contained in:
Bruce Mayhew 2014-08-09 14:45:34 -04:00
parent d0fa5e5695
commit 02f189fc86
1 changed files with 61 additions and 13 deletions
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72
java/org/owasp/webgoat/lessons/Challenge2Screen.java
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@ -122,6 +122,8 @@ public class Challenge2Screen extends SequentialLessonAdapter
private String user = "youaretheweakestlink";
private String instructions = "";
/**
* Description of the Method
*
@ -145,6 +147,9 @@ public class Challenge2Screen extends SequentialLessonAdapter
*/
protected Element doStage1(WebSession s) throws Exception
{
instructions = "Your mission is to get the username and password from the WebGoat source code in order to authenticate.";
setStage(s, 1);
String username = s.getParser().getRawParameter(USERNAME, "");
@ -189,6 +194,9 @@ public class Challenge2Screen extends SequentialLessonAdapter
*/
protected Element doStage2(WebSession s) throws Exception
{
instructions = "Your mission is to steal all the credit cards from the database. ";
// <START_OMIT_SOURCE>
Cookie newCookie = new Cookie(USER_COOKIE, Encoding.base64Encode(user));
@ -290,6 +298,10 @@ public class Challenge2Screen extends SequentialLessonAdapter
*/
protected Element doStage3(WebSession s) throws Exception
{
instructions = "Your mission is to deface this website. Your main website jsp, which is rendered below, is contained in "
+ "'webgoat_challenge_" + s.getUserName() + JSP + "'. To overwrite 'webgoat_challenge_" + s.getUserName() + JSP
+ "' you will need to use many of the techniques you have learned in the other lessons. ";
// <START_OMIT_SOURCE>
ElementContainer ec = new ElementContainer();
@ -326,7 +338,7 @@ public class Challenge2Screen extends SequentialLessonAdapter
// Setup the screen content
try
{
ec.addElement(new H1("Current Network Status:"));
ec.addElement(new H1("Current Network Status (limited to 10 rows):"));
ec.addElement(netstatResults);
Table t = new Table().setCellSpacing(0).setCellPadding(2).setWidth("90%").setAlign("center");
@ -334,11 +346,12 @@ public class Challenge2Screen extends SequentialLessonAdapter
{
t.setBorder(1);
}
String[] list = { "tcp", "tcpv6", "ip", "ipv6", "udp", "udpv6" };
String[] list = { "tcp", "udp" };
//String[] list = { "inet", "inet6", "ax25", "netrom", "ipx", "ddp", "x25" };
TR tr = new TR();
tr.addElement(new TD().addElement(ECSFactory.makeButton("View Network")));
tr.addElement(new TD().setWidth("35%").addElement(ECSFactory.makePulldown(PROTOCOL, list, "", 5)));
tr.addElement(new TD().setWidth("35%").addElement(ECSFactory.makePulldown(PROTOCOL, list, "", 2)));
t.addElement(tr);
ec.addElement(t);
@ -404,7 +417,7 @@ public class Challenge2Screen extends SequentialLessonAdapter
{
try
{
// get current text and compare to the new text
// get current text and overwrite the potential defaced file
String defacedpath = s.getContext().getRealPath(WEBGOAT_CHALLENGE + "_" + s.getUserName() + JSP);
String masterFilePath = s.getContext().getRealPath(WEBGOAT_CHALLENGE_JSP);
@ -415,6 +428,7 @@ public class Challenge2Screen extends SequentialLessonAdapter
fw.close();
// System.out.println("webgoat_guest replaced: " + getFileText( new
// BufferedReader( new FileReader( defacedpath ) ), false ) );
} catch (Exception e)
{
e.printStackTrace();
@ -554,10 +568,7 @@ public class Challenge2Screen extends SequentialLessonAdapter
*/
public String getInstructions(WebSession s)
{
String instructions = "Your mission is to break the authentication scheme, "
+ "steal all the credit cards from the database, and then deface the website. "
+ "You will have to use many of the techniques you have learned in the other lessons. "
+ "The main webpage to deface for this site is 'webgoat_challenge_" + s.getUserName() + ".jsp'";
// each stage will load it's instructions
return (instructions);
}
@ -629,27 +640,49 @@ public class Challenge2Screen extends SequentialLessonAdapter
t.setBorder(1);
}
String[] colWidths = new String[] { "55", "110", "260", "70", "50" };
String[] colWidths = new String[] { "55", "110", "260", "70" };
TR tr = new TR();
tr.addElement(new TH().addElement("Protocol").setWidth(colWidths[0]));
tr.addElement(new TH().addElement("Local Address").setWidth(colWidths[1]));
tr.addElement(new TH().addElement("Foreign Address").setWidth(colWidths[2]));
tr.addElement(new TH().addElement("State").setWidth(colWidths[3]));
tr.addElement(new TH().addElement("Offload State").setWidth(colWidths[4]));
t.addElement(tr);
String protocol = s.getParser().getRawParameter(PROTOCOL, "tcp");
String osName = System.getProperty("os.name");
// System.out.println("os.name= " + osName);
if (protocol.indexOf("rm") != -1 || protocol.indexOf("webgoat_challenge.jsp") != -1)
{
s.setMessage("Play nice - please don't try to hack the environment");
protocol = "tcp";
}
ExecResults er = null;
if (osName.indexOf("Windows") != -1)
{
String cmd = "cmd.exe /c netstat -ant -p " + protocol;
er = Exec.execSimple(cmd);
}
else if (osName.indexOf("Mac OS X") != -1)
{
String[] macCmd = { "/bin/sh", "-c", "netstat -an -p " + protocol };
er = Exec.execSimple(macCmd);
}
else
{
String[] cmd = { "/bin/sh", "-c", "netstat -ant -p " + protocol };
// allows for command injection by defaulting to user input
if ( protocol.startsWith("tcp"))
{
protocol = protocol.replace("tcp", "-t");
}
else if (protocol.startsWith("udp"))
{
protocol = protocol.replace("udp", "-u");
}
String[] cmd = { "/bin/sh", "-c", "netstat -an " + protocol };
er = Exec.execSimple(cmd);
}
@ -669,7 +702,16 @@ public class Challenge2Screen extends SequentialLessonAdapter
line = lines.nextToken();
}
}
while (start > 0 && lines.hasMoreTokens())
// This is what is being parsed
//
// Active Internet connections (servers and established)
// Proto Recv-Q Send-Q Local Address Foreign Address State
// tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN
// tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN
int read10 = 10;
while (start > 0 && lines.hasMoreTokens() && read10-- > 0)
{
// in order to avoid a ill-rendered screen when the user performs
// command injection, we will wrap the screen at 4 columns
@ -681,6 +723,12 @@ public class Challenge2Screen extends SequentialLessonAdapter
{
td = new TD().setWidth(colWidths[columnCount++]);
tr.addElement(td.addElement(tokens.nextToken()));
// throw away token 1 and 2
if (columnCount == 1)
{
if (tokens.hasMoreTokens() ) tokens.nextToken();
if (tokens.hasMoreTokens() ) tokens.nextToken();
}
}
t.addElement(tr);
}