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Router: Add IPv6 analysis to Sybil checker

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Add to console sybil page
Fix links for IPs close to us
Header and reason tweaks
Increase verified family credit
This commit is contained in:
zzz
2022-12-21 07:00:38 -05:00
parent a71f62c566
commit 4e174df746
2 changed files with 367 additions and 54 deletions
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145
apps/routerconsole/java/src/net/i2p/router/web/helpers/SybilRenderer.java
View File

@@ -134,8 +134,8 @@ public class SybilRenderer {
Hash us = _context.routerHash();
Analysis analysis = Analysis.getInstance(_context);
List<RouterInfo> ris = null;
if (mode != 0 && mode < 12) {
if (mode >= 2 && mode <= 6) {
if (mode != 0 && (mode < 12 || mode == 17 || mode == 18)) {
if (mode >= 2 && (mode <= 6 || mode == 17 || mode == 18)) {
// review all routers for family and IP analysis
ris = analysis.getAllRouters(us);
} else {
@@ -159,8 +159,10 @@ public class SybilRenderer {
"</li><li><a href=\"netdb?f=3&amp;m=2\">Same Family</a>" +
"</li><li><a href=\"netdb?f=3&amp;m=3\">IP close to us</a>" +
"</li><li><a href=\"netdb?f=3&amp;m=4\">Same IP</a>" +
"</li><li><a href=\"netdb?f=3&amp;m=5\">Same /24</a>" +
"</li><li><a href=\"netdb?f=3&amp;m=6\">Same /16</a>" +
"</li><li><a href=\"netdb?f=3&amp;m=5\">Same IPv4 /24</a>" +
"</li><li><a href=\"netdb?f=3&amp;m=6\">Same IPv4 /16</a>" +
"</li><li><a href=\"netdb?f=3&amp;m=17\">Same IPv6 /64</a>" +
"</li><li><a href=\"netdb?f=3&amp;m=18\">Same IPv6 /48</a>" +
"</li><li><a href=\"netdb?f=3&amp;m=7\">Pair distance</a>" +
"</li><li><a href=\"netdb?f=3&amp;m=8\">Close to us</a>" +
"</li><li><a href=\"netdb?f=3&amp;m=9\">Close to us tomorrow</a>" +
@@ -189,6 +191,10 @@ public class SybilRenderer {
renderIP24Summary(out, buf, analysis, ris, points);
} else if (mode == 6) {
renderIP16Summary(out, buf, analysis, ris, points);
} else if (mode == 17) {
renderIP64Summary(out, buf, analysis, ris, points);
} else if (mode == 18) {
renderIP48Summary(out, buf, analysis, ris, points);
} else if (mode == 7) {
renderPairSummary(out, buf, analysis, ris, points);
} else if (mode == 8) {
@@ -385,8 +391,10 @@ public class SybilRenderer {
List<RouterInfo> ri32 = new ArrayList<RouterInfo>(4);
List<RouterInfo> ri24 = new ArrayList<RouterInfo>(4);
List<RouterInfo> ri16 = new ArrayList<RouterInfo>(4);
analysis.calculateIPGroupsUs(ris, points, ri32, ri24, ri16);
renderIPGroupsUs(out, buf, ri32, ri24, ri16);
List<RouterInfo> ri64 = new ArrayList<RouterInfo>(4);
List<RouterInfo> ri48 = new ArrayList<RouterInfo>(4);
analysis.calculateIPGroupsUs(ris, points, ri32, ri24, ri16, ri64, ri48);
renderIPGroupsUs(out, buf, ri32, ri24, ri16, ri64, ri48);
}
/**
@@ -413,6 +421,22 @@ public class SybilRenderer {
renderIPGroups16(out, buf, map);
}
/**
* @since 0.9.57
*/
private void renderIP64Summary(Writer out, StringBuilder buf, Analysis analysis, List<RouterInfo> ris, Map<Hash, Points> points) throws IOException {
Map<Long, List<RouterInfo>> map = analysis.calculateIPGroups64(ris, points);
renderIPGroups64(out, buf, map);
}
/**
* @since 0.9.57
*/
private void renderIP48Summary(Writer out, StringBuilder buf, Analysis analysis, List<RouterInfo> ris, Map<Hash, Points> points) throws IOException {
Map<Long, List<RouterInfo>> map = analysis.calculateIPGroups48(ris, points);
renderIPGroups48(out, buf, map);
}
/**
* @since 0.9.38 split out from renderRouterInfoHTML()
*/
@@ -565,16 +589,17 @@ public class SybilRenderer {
writeBuf(out, buf);
}
private static class FooComparator implements Comparator<Integer>, Serializable {
private final Map<Integer, List<RouterInfo>> _o;
public FooComparator(Map<Integer, List<RouterInfo>> o) { _o = o;}
public int compare(Integer l, Integer r) {
private static class FooComparator<K extends Comparable> implements Comparator<K>, Serializable {
private final Map<K, List<RouterInfo>> _o;
public FooComparator(Map<K, List<RouterInfo>> o) { _o = o;}
@SuppressWarnings("unchecked")
public int compare(K l, K r) {
// reverse by count
int rv = _o.get(r).size() - _o.get(l).size();
if (rv != 0)
return rv;
// foward by IP
return l.intValue() - r.intValue();
// forward by IP
return l.compareTo(r);
}
}
@@ -587,7 +612,7 @@ public class SybilRenderer {
int rv = _o.get(r).size() - _o.get(l).size();
if (rv != 0)
return rv;
// foward by name
// forward by name
return _comp.compare(l, r);
}
}
@@ -596,7 +621,8 @@ public class SybilRenderer {
*
*/
private void renderIPGroupsUs(Writer out, StringBuilder buf, List<RouterInfo> ri32,
List<RouterInfo> ri24, List<RouterInfo> ri16) throws IOException {
List<RouterInfo> ri24, List<RouterInfo> ri16,
List<RouterInfo> ri64, List<RouterInfo> ri48) throws IOException {
buf.append("<h3 id=\"ourIP\" class=\"sybils\">Routers close to Our IP</h3>");
boolean found = false;
for (RouterInfo info : ri32) {
@@ -608,14 +634,28 @@ public class SybilRenderer {
}
for (RouterInfo info : ri24) {
buf.append("<p id=\"sybil_info\"><b>");
buf.append("Same /24 as us");
buf.append("Same IPv4 /24 as us");
buf.append(":</b></p>");
renderRouterInfo(buf, info, null, false, false);
found = true;
}
for (RouterInfo info : ri16) {
buf.append("<p id=\"sybil_info\"><b>");
buf.append("Same /16 as us");
buf.append("Same IPv4 /16 as us");
buf.append(":</b></p>");
renderRouterInfo(buf, info, null, false, false);
found = true;
}
for (RouterInfo info : ri64) {
buf.append("<p id=\"sybil_info\"><b>");
buf.append("Same IPv6 /64 as us");
buf.append(":</b></p>");
renderRouterInfo(buf, info, null, false, false);
found = true;
}
for (RouterInfo info : ri48) {
buf.append("<p id=\"sybil_info\"><b>");
buf.append("Same IPv6 /48 as us");
buf.append(":</b></p>");
renderRouterInfo(buf, info, null, false, false);
found = true;
@@ -629,9 +669,9 @@ public class SybilRenderer {
*
*/
private void renderIPGroups32(Writer out, StringBuilder buf, Map<Integer, List<RouterInfo>> map) throws IOException {
buf.append("<h3 id=\"sameIP\" class=\"sybils\">Routers with the Same IP</h3>");
buf.append("<h3 id=\"sameIP\" class=\"sybils\">Routers with the same IPv4</h3>");
List<Integer> foo = new ArrayList<Integer>(map.keySet());
Collections.sort(foo, new FooComparator(map));
Collections.sort(foo, new FooComparator<Integer>(map));
boolean found = false;
for (Integer ii : foo) {
List<RouterInfo> ris = map.get(ii);
@@ -659,9 +699,9 @@ public class SybilRenderer {
*
*/
private void renderIPGroups24(Writer out, StringBuilder buf, Map<Integer, List<RouterInfo>> map) throws IOException {
buf.append("<h3 id=\"same24\" class=\"sybils\">Routers in the Same /24 (2 minimum)</h3>");
buf.append("<h3 id=\"same24\" class=\"sybils\">Routers in the same IPv4 /24</h3>");
List<Integer> foo = new ArrayList<Integer>(map.keySet());
Collections.sort(foo, new FooComparator(map));
Collections.sort(foo, new FooComparator<Integer>(map));
boolean found = false;
for (Integer ii : foo) {
List<RouterInfo> ris = map.get(ii);
@@ -688,9 +728,9 @@ public class SybilRenderer {
*
*/
private void renderIPGroups16(Writer out, StringBuilder buf, Map<Integer, List<RouterInfo>> map) throws IOException {
buf.append("<h3 id=\"same16\" class=\"sybils\">Routers in the Same /16 (4 minimum)</h3>");
buf.append("<h3 id=\"same16\" class=\"sybils\">Routers in the same IPv4 /16 (4 minimum)</h3>");
List<Integer> foo = new ArrayList<Integer>(map.keySet());
Collections.sort(foo, new FooComparator(map));
Collections.sort(foo, new FooComparator<Integer>(map));
boolean found = false;
for (Integer ii : foo) {
List<RouterInfo> ris = map.get(ii);
@@ -712,6 +752,67 @@ public class SybilRenderer {
writeBuf(out, buf);
}
/**
* @since 0.9.57
*/
private void renderIPGroups64(Writer out, StringBuilder buf, Map<Long, List<RouterInfo>> map) throws IOException {
buf.append("<h3 id=\"same64\" class=\"sybils\">Routers in the same IPv6 /64</h3>");
List<Long> foo = new ArrayList<Long>(map.keySet());
Collections.sort(foo, new FooComparator<Long>(map));
boolean found = false;
for (Long ii : foo) {
List<RouterInfo> ris = map.get(ii);
int count = ris.size();
long i = ii.longValue();
int i0 = (int) ((i >> 48) & 0xffff);
int i2 = (int) ((i >> 32) & 0xffff);
int i4 = (int) ((i >> 16) & 0xffff);
int i6 = (int) (i & 0xffff);
String sip = Integer.toString(i0, 16) + ":" + Integer.toString(i2, 16) + ':' +
Integer.toString(i4, 16) + ':' + Integer.toString(i6, 16) + "::";
buf.append("<p class=\"sybil_info\"><b>").append(count).append(" routers with IP <a href=\"/netdb?ip=")
.append(sip).append("&amp;sybil\">").append(sip)
.append("</a></b></p>");
for (RouterInfo info : ris) {
found = true;
renderRouterInfo(buf, info, null, false, false);
}
}
if (!found)
buf.append("<p class=\"notfound\">None</p>");
writeBuf(out, buf);
}
/**
* @since 0.9.57
*/
private void renderIPGroups48(Writer out, StringBuilder buf, Map<Long, List<RouterInfo>> map) throws IOException {
buf.append("<h3 id=\"same48\" class=\"sybils\">Routers in the same IPv6 /48 (4 minimum)</h3>");
List<Long> foo = new ArrayList<Long>(map.keySet());
Collections.sort(foo, new FooComparator<Long>(map));
boolean found = false;
for (Long ii : foo) {
List<RouterInfo> ris = map.get(ii);
int count = ris.size();
long i = ii.longValue();
int i0 = (int) ((i >> 32) & 0xffff);
int i2 = (int) ((i >> 16) & 0xffff);
int i4 = (int) (i & 0xffff);
String sip = Integer.toString(i0, 16) + ":" + Integer.toString(i2, 16) + ':' +
Integer.toString(i4, 16) + "::";
buf.append("<p class=\"sybil_info\"><b>").append(count).append(" routers with IP <a href=\"/netdb?ip=")
.append(sip).append("&amp;sybil\">").append(sip)
.append("</a></b></p>");
for (RouterInfo info : ris) {
found = true;
renderRouterInfo(buf, info, null, false, false);
}
}
if (!found)
buf.append("<p class=\"notfound\">None</p>");
writeBuf(out, buf);
}
/**
*
*/

276
router/java/src/net/i2p/router/sybil/Analysis.java
View File

@@ -85,8 +85,15 @@ public class Analysis extends JobImpl implements RouterApp {
private static final double POINTS_US32 = 25.0;
private static final double POINTS_US24 = 20.0;
private static final double POINTS_US16 = 10.0;
// IPv6 since 0.9.57, likely to be on top of IPv4, so make lower
private static final double POINTS_V6_US64 = 12.5;
private static final double POINTS_V6_US48 = 5.0;
private static final double POINTS64 = 2.0;
private static final double POINTS48 = 0.5;
private static final double POINTS_FAMILY = -10.0;
private static final double POINTS_FAMILY_VERIFIED = POINTS_FAMILY * 2;
private static final double POINTS_FAMILY_VERIFIED = POINTS_FAMILY * 4;
private static final double POINTS_NONFF = -5.0;
private static final double POINTS_BAD_FAMILY = 20.0;
private static final double POINTS_BAD_OUR_FAMILY = 100.0;
@@ -374,13 +381,14 @@ public class Analysis extends JobImpl implements RouterApp {
// IP analysis
calculateIPGroupsFamily(ris, points);
List<RouterInfo> ri32 = new ArrayList<RouterInfo>(4);
List<RouterInfo> ri24 = new ArrayList<RouterInfo>(4);
List<RouterInfo> ri16 = new ArrayList<RouterInfo>(4);
calculateIPGroupsUs(ris, points, ri32, ri24, ri16);
// unused here, just for the console, so use the same for all of them
List<RouterInfo> dummy = new DummyList();
calculateIPGroupsUs(ris, points, dummy, dummy, dummy, dummy, dummy);
calculateIPGroups32(ris, points);
calculateIPGroups24(ris, points);
calculateIPGroups16(ris, points);
calculateIPGroups64(ris, points);
calculateIPGroups48(ris, points);
// Pairwise distance analysis
List<Pair> pairs = new ArrayList<Pair>(PAIRMAX);
@@ -427,6 +435,15 @@ public class Analysis extends JobImpl implements RouterApp {
return points;
}
/**
* @since 0.9.57
*/
private static class DummyList extends ArrayList<RouterInfo> {
public DummyList() { super(0); }
@Override
public boolean add(RouterInfo ri) { return true; }
}
/**
* Blocklist and Banlist if configured
* @since 0.9.41
@@ -545,46 +562,118 @@ public class Analysis extends JobImpl implements RouterApp {
return null;
}
/**
* v6 only
* @since 0.9.57
*/
private static byte[] getIPv6(RouterInfo ri) {
for (RouterAddress ra : ri.getAddresses()) {
byte[] rv = ra.getIP();
if (rv != null && rv.length == 16)
return rv;
}
return null;
}
/**
* @param ri32 out parameter
* @param ri24 out parameter
* @param ri16 out parameter
* @param ri64 out parameter
* @param ri48 out parameter
* @since 0.9.38 split out from renderIPGroupsUs()
*/
public void calculateIPGroupsUs(List<RouterInfo> ris, Map<Hash, Points> points,
List<RouterInfo> ri32, List<RouterInfo> ri24, List<RouterInfo> ri16) {
List<RouterInfo> ri32, List<RouterInfo> ri24, List<RouterInfo> ri16,
List<RouterInfo> ri64, List<RouterInfo> ri48) {
RouterInfo us = _context.router().getRouterInfo();
byte[] ourIP = getIP(us);
if (ourIP == null) {
String last = _context.getProperty("i2np.lastIP");
if (last == null)
return;
ourIP = Addresses.getIPOnly(last);
if (ourIP == null)
return;
if (last != null)
ourIP = Addresses.getIPOnly(last);
}
byte[] ourIPv6 = getIPv6(us);
if (ourIPv6 == null) {
String last = _context.getProperty("i2np.lastIPv6");
if (last != null)
ourIPv6 = Addresses.getIPOnly(last);
}
if (ourIP == null && ourIPv6 == null)
return;
String reason32;
String reason24;
String reason16;
String reason64;
String reason48;
if (ourIP != null) {
reason32 = "Same IP as <a href=\"/netdb?ip=" +
Addresses.toString(ourIP) +
"&amp;sybil\">us</a>";
reason24 = "Same IPv4 /24 as <a href=\"/netdb?ip=" +
(ourIP[0] & 0xff) + '.' +
(ourIP[1] & 0xff) + '.' +
(ourIP[2] & 0xff) +
".0/24&amp;sybil\">us</a>";
reason16 = "Same IPv4 /16 as <a href=\"/netdb?ip=" +
(ourIP[0] & 0xff) + '.' +
(ourIP[1] & 0xff) +
".0.0/16&amp;sybil\">us</a>";
} else {
reason32 = null;
reason24 = null;
reason16 = null;
}
if (ourIPv6 != null) {
reason64 = "Same IPv6 /64 as <a href=\"/netdb?ip=" +
Integer.toString(((ourIPv6[0] << 8) & 0xff00) | (ourIPv6[1] & 0xff), 16) + ':' +
Integer.toString(((ourIPv6[2] << 8) & 0xff00) | (ourIPv6[3] & 0xff), 16) + ':' +
Integer.toString(((ourIPv6[4] << 8) & 0xff00) | (ourIPv6[5] & 0xff), 16) + ':' +
Integer.toString(((ourIPv6[6] << 8) & 0xff00) | (ourIPv6[7] & 0xff), 16) +
"::&amp;sybil\">us</a>";
reason48 = "Same IPv6 /48 as <a href=\"/netdb?ip=" +
Integer.toString(((ourIPv6[0] << 8) & 0xff00) | (ourIPv6[1] & 0xff), 16) + ':' +
Integer.toString(((ourIPv6[2] << 8) & 0xff00) | (ourIPv6[3] & 0xff), 16) + ':' +
Integer.toString(((ourIPv6[4] << 8) & 0xff00) | (ourIPv6[5] & 0xff), 16) +
"::&amp;sybil\">us</a>";
} else {
reason64 = null;
reason48 = null;
}
String reason32 = "Same IP as <a href=\"/netdb?ip=" +
ourIP[0] + '.' + ourIP[1] + '.' + ourIP[2] + '.' + ourIP[3] + "&amp;sybil\">us</a>";
String reason24 = "Same /24 IP as <a href=\"/netdb?ip=" +
ourIP[0] + '.' + ourIP[1] + '.' + ourIP[2] + ".0/24&amp;sybil\">us</a>";
String reason16 = "Same /16 IP as <a href=\"/netdb?ip=" +
ourIP[0] + '.' + ourIP[1] + ".0.0/16&amp;sybil\">us</a>";
for (RouterInfo info : ris) {
byte[] ip = getIP(info);
if (ip == null)
continue;
if (ip[0] == ourIP[0] && ip[1] == ourIP[1]) {
if (ip[2] == ourIP[2]) {
if (ip[3] == ourIP[3]) {
addPoints(points, info.getHash(), POINTS_US32, reason32);
ri32.add(info);
if (ourIP != null) {
byte[] ip = getIP(info);
if (ip == null)
continue;
if (ip[0] == ourIP[0] && ip[1] == ourIP[1]) {
if (ip[2] == ourIP[2]) {
if (ip[3] == ourIP[3]) {
addPoints(points, info.getHash(), POINTS_US32, reason32);
ri32.add(info);
} else {
addPoints(points, info.getHash(), POINTS_US24, reason24);
ri24.add(info);
}
} else {
addPoints(points, info.getHash(), POINTS_US24, reason24);
ri24.add(info);
addPoints(points, info.getHash(), POINTS_US16, reason16);
ri16.add(info);
}
}
}
if (ourIPv6 != null) {
byte[] ip = getIPv6(info);
if (ip == null)
continue;
if (DataHelper.eq(ip, 0, ourIPv6, 0, 6)) {
if (ip[6] == ourIPv6[6] && ip[7] == ourIPv6[7]) {
addPoints(points, info.getHash(), POINTS_V6_US64, reason64);
ri64.add(info);
} else {
addPoints(points, info.getHash(), POINTS_V6_US48, reason48);
ri48.add(info);
}
} else {
addPoints(points, info.getHash(), POINTS_US16, reason16);
ri16.add(info);
}
}
}
@@ -666,7 +755,7 @@ public class Analysis extends JobImpl implements RouterApp {
int i0 = i >> 16;
int i1 = (i >> 8) & 0xff;
int i2 = i & 0xff;
String reason = "Same /24 IP with <a href=\"/netdb?ip=" +
String reason = "Same IPv4 /24 with <a href=\"/netdb?ip=" +
i0 + '.' + i1 + '.' + i2 + ".0/24&amp;sybil\">" +
(count - 1) + " other" + (( count > 2) ? "s" : "") + "</a>";
for (RouterInfo info : ris) {
@@ -717,7 +806,7 @@ public class Analysis extends JobImpl implements RouterApp {
int i = ii.intValue();
int i0 = i >> 8;
int i1 = i & 0xff;
String reason = "Same /16 IP with <a href=\"/netdb?ip=" +
String reason = "Same IPv4 /16 with <a href=\"/netdb?ip=" +
i0 + '.' + i1 + ".0.0/16&amp;sybil\">" +
(count - 1) + " other" + (( count > 2) ? "s" : "") + "</a>";
for (RouterInfo info : ris) {
@@ -735,6 +824,129 @@ public class Analysis extends JobImpl implements RouterApp {
return rv;
}
/**
* @since 0.9.57
*/
public Map<Long, List<RouterInfo>> calculateIPGroups64(List<RouterInfo> ris, Map<Hash, Points> points) {
ObjectCounter<Long> oc = new ObjectCounter<Long>();
for (RouterInfo info : ris) {
byte[] ip = getIPv6(info);
if (ip == null)
continue;
Long x = Long.valueOf(DataHelper.fromLong8(ip, 0));
oc.increment(x);
}
Map<Long, List<RouterInfo>> rv = new HashMap<Long, List<RouterInfo>>();
for (Long ii : oc.objects()) {
int count = oc.count(ii);
if (count >= 2)
rv.put(ii, new ArrayList<RouterInfo>(count));
}
for (Map.Entry<Long, List<RouterInfo>> e : rv.entrySet()) {
Long ii = e.getKey();
int count = oc.count(ii);
double point = POINTS64 * (count - 1);
long i = ii.longValue();
int i0 = (int) ((i >> 56) & 0xff);
int i1 = (int) ((i >> 48) & 0xff);
int i2 = (int) ((i >> 40) & 0xff);
int i3 = (int) ((i >> 32) & 0xff);
int i4 = (int) ((i >> 24) & 0xff);
int i5 = (int) ((i >> 16) & 0xff);
int i6 = (int) ((i >> 8) & 0xff);
int i7 = (int) (i & 0xff);
String reason = "Same IPv6 /64 with <a href=\"/netdb?ip=" +
Integer.toString((i0 << 8) | i1, 16) + ':' +
Integer.toString((i2 << 8) | i3, 16) + ':' +
Integer.toString((i4 << 8) | i5, 16) + ':' +
Integer.toString((i6 << 8) | i7, 16) +
"::&amp;sybil\">" +
(count - 1) + " other" + (( count > 2) ? "s" : "") + "</a>";
for (RouterInfo info : ris) {
byte[] ip = getIPv6(info);
if (ip == null)
continue;
if ((ip[0] & 0xff) != i0)
continue;
if ((ip[1] & 0xff) != i1)
continue;
if ((ip[2] & 0xff) != i2)
continue;
if ((ip[3] & 0xff) != i3)
continue;
if ((ip[4] & 0xff) != i4)
continue;
if ((ip[5] & 0xff) != i5)
continue;
if ((ip[6] & 0xff) != i6)
continue;
if ((ip[7] & 0xff) != i7)
continue;
e.getValue().add(info);
addPoints(points, info.getHash(), point, reason);
}
}
return rv;
}
/**
* @since 0.9.57
*/
public Map<Long, List<RouterInfo>> calculateIPGroups48(List<RouterInfo> ris, Map<Hash, Points> points) {
ObjectCounter<Long> oc = new ObjectCounter<Long>();
for (RouterInfo info : ris) {
byte[] ip = getIPv6(info);
if (ip == null)
continue;
Long x = Long.valueOf(DataHelper.fromLong(ip, 0, 6));
oc.increment(x);
}
Map<Long, List<RouterInfo>> rv = new HashMap<Long, List<RouterInfo>>();
for (Long ii : oc.objects()) {
int count = oc.count(ii);
if (count >= 4)
rv.put(ii, new ArrayList<RouterInfo>(count));
}
for (Map.Entry<Long, List<RouterInfo>> e : rv.entrySet()) {
Long ii = e.getKey();
int count = oc.count(ii);
double point = POINTS48 * (count - 1);
long i = ii.longValue();
int i0 = (int) ((i >> 40) & 0xff);
int i1 = (int) ((i >> 32) & 0xff);
int i2 = (int) ((i >> 24) & 0xff);
int i3 = (int) ((i >> 16) & 0xff);
int i4 = (int) ((i >> 8) & 0xff);
int i5 = (int) (i & 0xff);
String reason = "Same IPv6 /48 with <a href=\"/netdb?ip=" +
Integer.toString((i0 << 8) | i1, 16) + ':' +
Integer.toString((i2 << 8) | i3, 16) + ':' +
Integer.toString((i4 << 8) | i5, 16) +
"::&amp;sybil\">" +
(count - 1) + " other" + (( count > 2) ? "s" : "") + "</a>";
for (RouterInfo info : ris) {
byte[] ip = getIPv6(info);
if (ip == null)
continue;
if ((ip[0] & 0xff) != i0)
continue;
if ((ip[1] & 0xff) != i1)
continue;
if ((ip[2] & 0xff) != i2)
continue;
if ((ip[3] & 0xff) != i3)
continue;
if ((ip[4] & 0xff) != i4)
continue;
if ((ip[5] & 0xff) != i5)
continue;
e.getValue().add(info);
addPoints(points, info.getHash(), point, reason);
}
}
return rv;
}
/**
* @return map of family name to list of routers in that family
* @since 0.9.38 split out from renderIPGroupsFamily()