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89d51d5f29
Because this exploit has been widely known for years and has not been fixed by Mojang, we decided that it was worth allowing people to toggle it on/off due to how easy it is to make it configurable. It should be noted that this decision does not promise all future exploits will be configurable.
70 lines
3.9 KiB
Diff
70 lines
3.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Professor Bloodstone <git@bloodstone.dev>
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Date: Fri, 23 Jul 2021 02:32:04 +0200
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Subject: [PATCH] Allow skipping writing of comments to server.properties
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Makes less git noise, as it won't update the date every single time
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Use -DPaper.skipServerPropertiesComments=true flag to disable writing it
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diff --git a/src/main/java/net/minecraft/server/dedicated/Settings.java b/src/main/java/net/minecraft/server/dedicated/Settings.java
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index fc45c2c4ecdf3906df6bceaf3e019c462fe62186..61bf3ccf998bcb9ebd80e983566e7181a73f0e30 100644
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--- a/src/main/java/net/minecraft/server/dedicated/Settings.java
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+++ b/src/main/java/net/minecraft/server/dedicated/Settings.java
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@@ -29,6 +29,7 @@ public abstract class Settings<T extends Settings<T>> {
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private static final Logger LOGGER = LogUtils.getLogger();
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public final Properties properties;
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+ private static final boolean skipComments = Boolean.getBoolean("Paper.skipServerPropertiesComments"); // Paper - allow skipping server.properties comments
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// CraftBukkit start
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private OptionSet options = null;
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@@ -123,7 +124,46 @@ public abstract class Settings<T extends Settings<T>> {
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return;
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}
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// CraftBukkit end
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- BufferedWriter bufferedwriter = Files.newBufferedWriter(path, StandardCharsets.UTF_8);
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+ // Paper start - allow skipping server.properties comments
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+ java.io.OutputStream outputstream = Files.newOutputStream(path);
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+ java.io.BufferedOutputStream bufferedOutputStream = !skipComments ? new java.io.BufferedOutputStream(outputstream) : new java.io.BufferedOutputStream(outputstream) {
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+ private boolean isRightAfterNewline = true; // If last written char was newline
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+ private boolean isComment = false; // Are we writing comment currently?
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+
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+ @Override
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+ public void write(@org.jetbrains.annotations.NotNull byte[] b) throws IOException {
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+ this.write(b, 0, b.length);
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+ }
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+
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+ @Override
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+ public void write(@org.jetbrains.annotations.NotNull byte[] bbuf, int off, int len) throws IOException {
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+ int latest_offset = off; // The latest offset, updated when comment ends
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+ for (int index = off; index < off + len; ++index ) {
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+ byte c = bbuf[index];
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+ boolean isNewline = (c == '\n' || c == '\r');
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+ if (isNewline && this.isComment) {
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+ // Comment has ended
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+ this.isComment = false;
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+ latest_offset = index+1;
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+ }
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+ if (c == '#' && this.isRightAfterNewline) {
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+ this.isComment = true;
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+ if (index != latest_offset) {
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+ // We got some non-comment data earlier
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+ super.write(bbuf, latest_offset, index-latest_offset);
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+ }
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+ }
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+ this.isRightAfterNewline = isNewline; // Store for next iteration
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+
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+ }
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+ if (latest_offset < off+len && !this.isComment) {
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+ // We have some unwritten data, that isn't part of a comment
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+ super.write(bbuf, latest_offset, (off + len) - latest_offset);
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+ }
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+ }
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+ };
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+ BufferedWriter bufferedwriter = new BufferedWriter(new java.io.OutputStreamWriter(bufferedOutputStream, java.nio.charset.StandardCharsets.UTF_8.newEncoder()));
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+ // Paper end - allow skipping server.properties comments
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try {
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this.properties.store(bufferedwriter, "Minecraft server properties");
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