From 89bdbedc0fb38b7b74389e7e1a8ceba04275ac42 Mon Sep 17 00:00:00 2001
From: zzz <zzz@mail.i2p>
Date: Sat, 12 Dec 2015 12:43:22 +0000
Subject: [PATCH] Sybil: Add start of profile analysis, use for
first-heard-about time Increase pair-distance threat points
---
.../src/net/i2p/router/web/SybilRenderer.java | 27 ++++++++++++++++++-
1 file changed, 26 insertions(+), 1 deletion(-)
diff --git a/apps/routerconsole/java/src/net/i2p/router/web/SybilRenderer.java b/apps/routerconsole/java/src/net/i2p/router/web/SybilRenderer.java
index 24ba22a070..baf945eaa9 100644
--- a/apps/routerconsole/java/src/net/i2p/router/web/SybilRenderer.java
+++ b/apps/routerconsole/java/src/net/i2p/router/web/SybilRenderer.java
@@ -58,6 +58,7 @@ class SybilRenderer {
private static final double POINTS_US16 = 10.0;
private static final double POINTS_FAMILY = -2.0;
private static final double MIN_CLOSE = 242.0;
+ private static final double PAIR_DISTANCE_FACTOR = 2.0;
private static final double OUR_KEY_FACTOR = 4.0;
private static final double MIN_DISPLAY_POINTS = 3.0;
@@ -221,7 +222,8 @@ class SybilRenderer {
renderRouterInfoHTML(out, buf, nkey, avgMinDist, ris, points);
}
- // TODO Profile analysis
+ // Profile analysis
+ addProfilePoints(ris, points);
if (!points.isEmpty()) {
List<Hash> warns = new ArrayList<Hash>(points.keySet());
@@ -299,6 +301,7 @@ class SybilRenderer {
renderRouterInfo(buf, p.r1, null, false, false);
renderRouterInfo(buf, p.r2, null, false, false);
}
+ point *= PAIR_DISTANCE_FACTOR;
String b2 = p.r2.getHash().toBase64();
addPoints(points, p.r1.getHash(), point, "Very close (" + fmt.format(distance) +
") to other floodfill <a href=\"netdb?r=" + b2 + "\">" + b2 + "</a>");
@@ -586,6 +589,28 @@ class SybilRenderer {
buf.setLength(0);
}
+ private static final long DAY = 24*60*60*1000L;
+
+ private void addProfilePoints(List<RouterInfo> ris, Map<Hash, Points> points) throws IOException {
+ long now = _context.clock().now();
+ for (RouterInfo info : ris) {
+ Hash h = info.getHash();
+ PeerProfile prof = _context.profileOrganizer().getProfileNonblocking(h);
+ if (prof != null) {
+ long heard = prof.getFirstHeardAbout();
+ if (heard > 0) {
+ long age = Math.max(now - heard, 1);
+ if (age < DAY) {
+ // .125 point for every hour under 24, max 3 points
+ double point = Math.min(3.0d, (DAY - age) / (DAY / 3.0d));
+ addPoints(points, h, point,
+ "First heard about: " + _t("{0} ago", DataHelper.formatDuration2(age)));
+ }
+ }
+ }
+ }
+ }
+
private void renderRouterInfoHTML(Writer out, StringBuilder buf, Hash us, double avgMinDist,
List<RouterInfo> ris, Map<Hash, Points> points) throws IOException {
Collections.sort(ris, new RouterInfoRoutingKeyComparator(us));
--
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