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Sybil tool enhancements

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zzz
2016-11-24 18:04:40 +00:00
parent 64f5fed05a
commit cc6cd9e402
5 changed files with 120 additions and 9 deletions
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81
apps/routerconsole/java/src/net/i2p/router/web/SybilRenderer.java
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@@ -16,6 +16,7 @@ import java.util.Locale;
import java.util.Map;
import java.util.Set;
import net.i2p.data.Base64;
import net.i2p.data.DataHelper;
import net.i2p.data.Destination;
import net.i2p.data.Hash;
@@ -23,6 +24,7 @@ import net.i2p.data.LeaseSet;
import net.i2p.data.router.RouterAddress;
import net.i2p.data.router.RouterInfo;
import net.i2p.data.router.RouterKeyGenerator;
import net.i2p.kademlia.XORComparator;
import net.i2p.router.RouterContext;
import net.i2p.router.TunnelPoolSettings;
import net.i2p.router.crypto.FamilyKeyCrypto;
@@ -450,7 +452,7 @@ class SybilRenderer {
int i3 = i & 0xff;
String sip = i0 + "." + i1 + '.' + i2 + '.' + i3;
buf.append("<p><b>").append(count).append(" floodfills with IP <a href=\"/netdb?ip=")
.append(sip).append("\">").append(sip)
.append(sip).append("&amp;sybil\">").append(sip)
.append("</a>:</b></p>");
for (RouterInfo info : ris) {
byte[] ip = getIP(info);
@@ -503,7 +505,7 @@ class SybilRenderer {
int i2 = i & 0xff;
String sip = i0 + "." + i1 + '.' + i2 + ".0/24";
buf.append("<p><b>").append(count).append(" floodfills with IP <a href=\"/netdb?ip=")
.append(sip).append("\">").append(sip)
.append(sip).append("&amp;sybil\">").append(sip)
.append("</a>:</b></p>");
for (RouterInfo info : ris) {
byte[] ip = getIP(info);
@@ -553,7 +555,7 @@ class SybilRenderer {
int i1 = i & 0xff;
String sip = i0 + "." + i1 + ".0/16";
buf.append("<p><b>").append(count).append(" floodfills with IP <a href=\"/netdb?ip=")
.append(sip).append("\">").append(sip)
.append(sip).append("&amp;sybil\">").append(sip)
.append("</a></b></p>");
for (RouterInfo info : ris) {
byte[] ip = getIP(info);
@@ -595,7 +597,7 @@ class SybilRenderer {
int count = oc.count(s);
String ss = DataHelper.escapeHTML(s);
buf.append("<p><b>").append(count).append(" floodfills in declared family \"<a href=\"/netdb?fam=")
.append(ss).append("\">").append(ss).append("</a>\"</b></p>");
.append(ss).append("&amp;sybil\">").append(ss).append("</a>\"</b></p>");
for (RouterInfo info : ris) {
String fam = info.getOption("family");
if (fam == null)
@@ -901,6 +903,77 @@ class SybilRenderer {
return distance;
}
/**
* Called from NetDbRenderer
*
* @since 0.9.28
*/
public static void renderSybilHTML(Writer out, RouterContext ctx, List<Hash> sybils, String victim) throws IOException {
if (sybils.isEmpty())
return;
final DecimalFormat fmt = new DecimalFormat("#0.00");
XORComparator<Hash> xor = new XORComparator<Hash>(Hash.FAKE_HASH);
out.write("<h3>Group Distances</h3><table><tr><th>Hash<th>Distance from previous</tr>\n");
Collections.sort(sybils, xor);
Hash prev = null;
for (Hash h : sybils) {
out.write("<tr><td><tt>" + h.toBase64() + "</tt><td>");
if (prev != null) {
BigInteger dist = HashDistance.getDistance(prev, h);
writeDistance(out, fmt, dist);
}
prev = h;
out.write("</tr>\n");
}
out.write("</table>\n");
out.flush();
RouterKeyGenerator rkgen = ctx.routerKeyGenerator();
long now = ctx.clock().now();
final int days = 7;
Hash from = ctx.routerHash();
if (victim != null) {
byte[] b = Base64.decode(victim);
if (b != null && b.length == Hash.HASH_LENGTH)
from = Hash.create(b);
}
out.write("<h3>Distance to " + from.toBase64() + "</h3>");
prev = null;
for (int i = 0; i < days; i++) {
out.write("<h3>Distance for " + new Date(now) +
"</h3><table><tr><th>Hash<th>Distance<th>Distance from previous</tr>\n");
Hash rkey = rkgen.getRoutingKey(from, now);
xor = new XORComparator<Hash>(rkey);
Collections.sort(sybils, xor);
for (Hash h : sybils) {
out.write("<tr><td><tt>" + h.toBase64() + "</tt><td>");
BigInteger dist = HashDistance.getDistance(rkey, h);
writeDistance(out, fmt, dist);
out.write("<td>");
if (prev != null) {
dist = HashDistance.getDistance(prev, h);
writeDistance(out, fmt, dist);
}
prev = h;
out.write("</tr>\n");
}
out.write("</table>\n");
out.flush();
now += 24*60*60*1000;
prev = null;
}
}
/** @since 0.9.28 */
private static void writeDistance(Writer out, DecimalFormat fmt, BigInteger dist) throws IOException {
double distance = biLog2(dist);
if (distance < MIN_CLOSE)
out.write("<font color=\"red\">");
out.write(fmt.format(distance));
if (distance < MIN_CLOSE)
out.write("</font>");
}
/** translate a string */
private String _t(String s) {
return Messages.getString(s, _context);