commit de9600a5dc937c4c453ed261266f38f21978f61e Author: Karsten Loesing karsten.loesing@gmx.net Date: Sat Jun 17 21:20:01 2017 +0200

Change encoding of microdescriptor digests in network status entries.

Fixes #22640. --- CHANGELOG.md | 8 ++++++++ .../java/org/torproject/descriptor/NetworkStatusEntry.java | 12 ++++++------ .../torproject/descriptor/impl/NetworkStatusEntryImpl.java | 14 +++++++------- .../java/org/torproject/descriptor/impl/ParseHelper.java | 14 ++++++++++++-- 4 files changed, 33 insertions(+), 15 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md index 409d0e8..e79811a 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,11 @@ +# Changes in version 1.9.0 - 2017-06-?? + + * Minor changes + - Fix a bug where NetworkStatusEntry's getMicrodescriptorDigests() + and getMicrodescriptorDigestsSha256Base64() return hex strings + rather than base64 strings. + + # Changes in version 1.8.2 - 2017-06-16

* Medium changes diff --git a/src/main/java/org/torproject/descriptor/NetworkStatusEntry.java b/src/main/java/org/torproject/descriptor/NetworkStatusEntry.java index c59eab9..9c5dae5 100644 --- a/src/main/java/org/torproject/descriptor/NetworkStatusEntry.java +++ b/src/main/java/org/torproject/descriptor/NetworkStatusEntry.java @@ -89,9 +89,9 @@ public interface NetworkStatusEntry { public int getDirPort();

/** - * Return the (possibly empty) set of microdescriptor digests if the - * containing network status is a vote or microdesc consensus, or null - * otherwise. + * Return the (possibly empty) set of microdescriptor digests, encoded as 43 + * base64 characters without padding characters, if the containing network + * status is a vote or microdesc consensus, or null otherwise. * * @deprecated Renamed to {@link #getMicrodescriptorDigestsSha256Base64()}. * @@ -100,9 +100,9 @@ public interface NetworkStatusEntry { public Set<String> getMicrodescriptorDigests();

/** - * Return the (possibly empty) set of microdescriptor digests if the - * containing network status is a vote or microdesc consensus, or null - * otherwise. + * Return the (possibly empty) set of microdescriptor digests, encoded as 43 + * base64 characters without padding characters, if the containing network + * status is a vote or microdesc consensus, or null otherwise. * * @since 1.7.0 */ diff --git a/src/main/java/org/torproject/descriptor/impl/NetworkStatusEntryImpl.java b/src/main/java/org/torproject/descriptor/impl/NetworkStatusEntryImpl.java index 987b530..337f0b2 100644 --- a/src/main/java/org/torproject/descriptor/impl/NetworkStatusEntryImpl.java +++ b/src/main/java/org/torproject/descriptor/impl/NetworkStatusEntryImpl.java @@ -141,11 +141,11 @@ public class NetworkStatusEntryImpl implements NetworkStatusEntry { + "fewer space-separated elements than expected."); } this.nickname = ParseHelper.parseNickname(line, parts[1]); - this.fingerprint = ParseHelper.parseTwentyByteBase64String(line, + this.fingerprint = ParseHelper.convertTwentyByteBase64StringToHex(line, parts[2]); int descriptorOffset = 0; if (!this.microdescConsensus) { - this.descriptor = ParseHelper.parseTwentyByteBase64String(line, + this.descriptor = ParseHelper.convertTwentyByteBase64StringToHex(line, parts[3]); descriptorOffset = 1; } @@ -266,13 +266,13 @@ public class NetworkStatusEntryImpl implements NetworkStatusEntry { this.microdescriptorDigests = new HashSet<>(); } if (parts.length == 2) { - this.microdescriptorDigests.add( - ParseHelper.parseThirtyTwoByteBase64String(line, parts[1])); + ParseHelper.parseThirtyTwoByteBase64String(line, parts[1]); + this.microdescriptorDigests.add(parts[1]); } else if (parts.length == 3 && parts[2].length() > 7) { /* 7 == "sha256=".length() */ - this.microdescriptorDigests.add( - ParseHelper.parseThirtyTwoByteBase64String(line, - parts[2].substring(7))); + ParseHelper.parseThirtyTwoByteBase64String(line, + parts[2].substring(7)); + this.microdescriptorDigests.add(parts[2].substring(7)); } }

diff --git a/src/main/java/org/torproject/descriptor/impl/ParseHelper.java b/src/main/java/org/torproject/descriptor/impl/ParseHelper.java index 31454e5..dec33f5 100644 --- a/src/main/java/org/torproject/descriptor/impl/ParseHelper.java +++ b/src/main/java/org/torproject/descriptor/impl/ParseHelper.java @@ -281,7 +281,12 @@ public class ParseHelper { private static Pattern twentyByteBase64Pattern = Pattern.compile("^[0-9a-zA-Z+/]{27}$");

- protected static String parseTwentyByteBase64String(String line, + protected static void parseTwentyByteBase64String(String line, + String base64String) throws DescriptorParseException { + convertTwentyByteBase64StringToHex(line, base64String); + } + + protected static String convertTwentyByteBase64StringToHex(String line, String base64String) throws DescriptorParseException { if (!twentyByteBase64Pattern.matcher(base64String).matches()) { throw new DescriptorParseException("'" + base64String @@ -296,7 +301,12 @@ public class ParseHelper { private static Pattern thirtyTwoByteBase64Pattern = Pattern.compile("^[0-9a-zA-Z+/]{43}$");

- protected static String parseThirtyTwoByteBase64String(String line, + protected static void parseThirtyTwoByteBase64String(String line, + String base64String) throws DescriptorParseException { + convertThirtyTwoByteBase64StringToHex(line, base64String); + } + + private static String convertThirtyTwoByteBase64StringToHex(String line, String base64String) throws DescriptorParseException { if (!thirtyTwoByteBase64Pattern.matcher(base64String).matches()) { throw new DescriptorParseException("'" + base64String