[tor-commits] [collector/master] Retain padding-counts lines when sanitizing descriptors.

[karsten@xxxxxxxxxxxxxx]

commit 1e80ef7fb995058d0eb1995ed72413111a58e08a
Author: Karsten Loesing <karsten.loesing@xxxxxxx>
Date:   Thu May 11 14:43:17 2017 +0200

    Retain padding-counts lines when sanitizing descriptors.
    
    Similar to other statistics lines, there's nothing particular
    sensitive in these new padding-counts lines that would reveal the
    bridge IP address or location.  We can simply copy them over.
    
    Implements #22216.
---
 CHANGELOG.md                                       |  1 +
 .../bridgedescs/SanitizedBridgesWriter.java        |  3 ++-
 .../bridgedescs/SanitizedBridgesWriterTest.java    | 23 ++++++++++++++++++++++
 3 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8d23f01..13fade3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
 
  * Medium changes
    - Clean up files in recent/exit-lists/ again.
+   - Retain padding-counts lines in sanitized extra-info descriptors.
 
 
 # Changes in version 1.1.2 - 2017-01-17
diff --git a/src/main/java/org/torproject/collector/bridgedescs/SanitizedBridgesWriter.java b/src/main/java/org/torproject/collector/bridgedescs/SanitizedBridgesWriter.java
index beeb944..ae3db8f 100644
--- a/src/main/java/org/torproject/collector/bridgedescs/SanitizedBridgesWriter.java
+++ b/src/main/java/org/torproject/collector/bridgedescs/SanitizedBridgesWriter.java
@@ -1190,7 +1190,8 @@ public class SanitizedBridgesWriter extends CollecTorMain {
             || line.startsWith("cell-")
             || line.startsWith("entry-")
             || line.startsWith("exit-")
-            || line.startsWith("hidserv-")) {
+            || line.startsWith("hidserv-")
+            || line.startsWith("padding-counts ")) {
           scrubbed.append(line + "\n");
 
         /* When we reach the signature, we're done. Write the sanitized
diff --git a/src/test/java/org/torproject/collector/bridgedescs/SanitizedBridgesWriterTest.java b/src/test/java/org/torproject/collector/bridgedescs/SanitizedBridgesWriterTest.java
index 44bf69b..3546a34 100644
--- a/src/test/java/org/torproject/collector/bridgedescs/SanitizedBridgesWriterTest.java
+++ b/src/test/java/org/torproject/collector/bridgedescs/SanitizedBridgesWriterTest.java
@@ -536,6 +536,29 @@ public class SanitizedBridgesWriterTest {
   }
 
   @Test
+  public void testExtraInfoDescriptorPaddingCountsRetained() throws Exception {
+    this.defaultExtraInfoDescriptorBuilder.insertBeforeLineStartingWith(
+        "transport ",
+        Arrays.asList("padding-counts 2017-05-10 01:48:43 (86400 s) "
+            + "bin-size=10000 write-drop=10000 write-pad=10000 "
+            + "write-total=10000 read-drop=10000 read-pad=10000 "
+            + "read-total=70000 enabled-read-pad=0 enabled-read-total=0 "
+            + "enabled-write-pad=0 enabled-write-total=0 "
+            + "max-chanpad-timers=0"));
+    this.runTest();
+    int foundPaddingCountsLines = 0;
+    if (!this.parsedExtraInfoDescriptors.isEmpty()) {
+      for (String line : this.parsedExtraInfoDescriptors.get(0)) {
+        if (line.startsWith("padding-counts ")) {
+          foundPaddingCountsLines++;
+        }
+      }
+    }
+    assertEquals("padding-counts line should have been retained.", 1,
+        foundPaddingCountsLines);
+  }
+
+  @Test
   public void testExtraInfoDescriptorRouterSignatureLineSpace()
       throws Exception {
     this.defaultExtraInfoDescriptorBuilder.replaceLineStartingWith(

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