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net/minecraft/nbt

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Owen1212055 2024-12-14 17:35:55 -05:00
parent f2f3b06179
commit 1dd7ab9203
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GPG key ID: 2133292072886A30
7 changed files with 54 additions and 69 deletions
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15
paper-server/patches/sources/net/minecraft/nbt/ByteArrayTag.java.patch Normal file
View file

@ -0,0 +1,15 @@
--- a/net/minecraft/nbt/ByteArrayTag.java
+++ b/net/minecraft/nbt/ByteArrayTag.java
@@ -1,3 +_,4 @@
+// mc-dev import
package net.minecraft.nbt;
import java.io.DataInput;
@@ -23,6 +_,7 @@
private static byte[] readAccounted(DataInput input, NbtAccounter accounter) throws IOException {
accounter.accountBytes(24L);
int _int = input.readInt();
+ com.google.common.base.Preconditions.checkArgument( _int < 1 << 24); // Spigot
accounter.accountBytes(1L, _int);
byte[] bytes = new byte[_int];
input.readFully(bytes);

12
paper-server/patches/unapplied/net/minecraft/nbt/CompoundTag.java.patch → paper-server/patches/sources/net/minecraft/nbt/CompoundTag.java.patch
View file

@ -1,15 +1,15 @@
--- a/net/minecraft/nbt/CompoundTag.java
+++ b/net/minecraft/nbt/CompoundTag.java
@@ -49,7 +49,7 @@
@@ -49,7 +_,7 @@
private static CompoundTag loadCompound(DataInput input, NbtAccounter tracker) throws IOException {
tracker.accountBytes(48L);
private static CompoundTag loadCompound(DataInput input, NbtAccounter nbtAccounter) throws IOException {
nbtAccounter.accountBytes(48L);
- Map<String, Tag> map = Maps.newHashMap();
+ it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap<String, Tag> map = new it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap<>(8, 0.8f); // Paper - Reduce memory footprint of CompoundTag
byte b;
while ((b = input.readByte()) != 0) {
@@ -166,7 +166,7 @@
@@ -166,7 +_,7 @@
}
public CompoundTag() {
@ -18,7 +18,7 @@
}
@Override
@@ -232,14 +232,34 @@
@@ -232,14 +_,34 @@
}
public void putUUID(String key, UUID value) {
@ -53,7 +53,7 @@
Tag tag = this.get(key);
return tag != null && tag.getType() == IntArrayTag.TYPE && ((IntArrayTag)tag).getAsIntArray().length == 4;
}
@@ -477,8 +497,16 @@
@@ -477,8 +_,16 @@
@Override
public CompoundTag copy() {

16
paper-server/patches/unapplied/net/minecraft/nbt/IntArrayTag.java.patch → paper-server/patches/sources/net/minecraft/nbt/IntArrayTag.java.patch
View file

@ -1,15 +1,15 @@
--- a/net/minecraft/nbt/IntArrayTag.java
+++ b/net/minecraft/nbt/IntArrayTag.java
@@ -1,3 +1,4 @@
@@ -1,3 +_,4 @@
+// mc-dev import
package net.minecraft.nbt;
import java.io.DataInput;
@@ -24,6 +25,7 @@
private static int[] readAccounted(DataInput input, NbtAccounter tracker) throws IOException {
tracker.accountBytes(24L);
int i = input.readInt();
+ com.google.common.base.Preconditions.checkArgument( i < 1 << 24); // Spigot
@@ -23,6 +_,7 @@
private static int[] readAccounted(DataInput input, NbtAccounter accounter) throws IOException {
accounter.accountBytes(24L);
int _int = input.readInt();
+ com.google.common.base.Preconditions.checkArgument( _int < 1 << 24); // Spigot
accounter.accountBytes(4L, _int);
int[] ints = new int[_int];
tracker.accountBytes(4L, (long) i);
int[] aint = new int[i];

14
paper-server/patches/unapplied/net/minecraft/nbt/NbtIo.java.patch → paper-server/patches/sources/net/minecraft/nbt/NbtIo.java.patch
View file

@ -1,20 +1,20 @@
--- a/net/minecraft/nbt/NbtIo.java
+++ b/net/minecraft/nbt/NbtIo.java
@@ -1,3 +1,4 @@
@@ -1,3 +_,4 @@
+// mc-dev import
package net.minecraft.nbt;
import java.io.BufferedOutputStream;
@@ -324,6 +325,12 @@
@@ -118,6 +_,12 @@
}
public static CompoundTag read(DataInput input, NbtAccounter tracker) throws IOException {
public static CompoundTag read(DataInput input, NbtAccounter accounter) throws IOException {
+ // Spigot start
+ if ( input instanceof io.netty.buffer.ByteBufInputStream )
+ {
+ input = new DataInputStream(new org.spigotmc.LimitStream((InputStream) input, tracker));
+ input = new DataInputStream(new org.spigotmc.LimitStream((InputStream) input, accounter));
+ }
+ // Spigot end
Tag nbtbase = NbtIo.readUnnamedTag(input, tracker);
if (nbtbase instanceof CompoundTag) {
Tag unnamedTag = readUnnamedTag(input, accounter);
if (unnamedTag instanceof CompoundTag) {
return (CompoundTag)unnamedTag;

12
paper-server/patches/unapplied/net/minecraft/nbt/NbtUtils.java.patch → paper-server/patches/sources/net/minecraft/nbt/NbtUtils.java.patch
View file

@ -1,14 +1,14 @@
--- a/net/minecraft/nbt/NbtUtils.java
+++ b/net/minecraft/nbt/NbtUtils.java
@@ -149,8 +149,10 @@
if (!nbt.contains("Name", 8)) {
@@ -143,8 +_,10 @@
if (!tag.contains("Name", 8)) {
return Blocks.AIR.defaultBlockState();
} else {
- ResourceLocation resourceLocation = ResourceLocation.parse(nbt.getString("Name"));
- Optional<? extends Holder<Block>> optional = blockLookup.get(ResourceKey.create(Registries.BLOCK, resourceLocation));
- ResourceLocation resourceLocation = ResourceLocation.parse(tag.getString("Name"));
- Optional<? extends Holder<Block>> optional = blockGetter.get(ResourceKey.create(Registries.BLOCK, resourceLocation));
+ // Paper start - Validate resource location
+ ResourceLocation resourceLocation = ResourceLocation.tryParse(nbt.getString("Name"));
+ Optional<? extends Holder<Block>> optional = resourceLocation != null ? blockLookup.get(ResourceKey.create(Registries.BLOCK, resourceLocation)) : Optional.empty();
+ ResourceLocation resourceLocation = ResourceLocation.tryParse(tag.getString("Name"));
+ Optional<? extends Holder<Block>> optional = resourceLocation != null ? blockGetter.get(ResourceKey.create(Registries.BLOCK, resourceLocation)) : Optional.empty();
+ // Paper end - Validate resource location
if (optional.isEmpty()) {
return Blocks.AIR.defaultBlockState();

39
paper-server/patches/unapplied/net/minecraft/nbt/TagParser.java.patch → paper-server/patches/sources/net/minecraft/nbt/TagParser.java.patch
View file

@ -1,14 +1,14 @@
--- a/net/minecraft/nbt/TagParser.java
+++ b/net/minecraft/nbt/TagParser.java
@@ -49,6 +49,7 @@
@@ -49,6 +_,7 @@
}, CompoundTag::toString);
public static final Codec<CompoundTag> LENIENT_CODEC = Codec.withAlternative(AS_CODEC, CompoundTag.CODEC);
private final StringReader reader;
+ private int depth; // Paper
public static CompoundTag parseTag(String string) throws CommandSyntaxException {
return new TagParser(new StringReader(string)).readSingleStruct();
@@ -159,6 +160,7 @@
public static CompoundTag parseTag(String text) throws CommandSyntaxException {
return new TagParser(new StringReader(text)).readSingleStruct();
@@ -159,6 +_,7 @@
public CompoundTag readStruct() throws CommandSyntaxException {
this.expect('{');
@ -16,7 +16,7 @@
CompoundTag compoundTag = new CompoundTag();
this.reader.skipWhitespace();
@@ -182,6 +184,7 @@
@@ -182,6 +_,7 @@
}
this.expect('}');
@ -24,7 +24,7 @@
return compoundTag;
}
@@ -191,6 +194,7 @@
@@ -191,6 +_,7 @@
if (!this.reader.canRead()) {
throw ERROR_EXPECTED_VALUE.createWithContext(this.reader);
} else {
@ -32,7 +32,7 @@
ListTag listTag = new ListTag();
TagType<?> tagType = null;
@@ -216,6 +220,7 @@
@@ -216,6 +_,7 @@
}
this.expect(']');
@ -40,30 +40,15 @@
return listTag;
}
}
@@ -253,11 +258,11 @@
}
if (typeReader == ByteTag.TYPE) {
- list.add((T)((NumericTag)tag).getAsByte());
+ list.add((T)(Byte)((NumericTag)tag).getAsByte()); // Paper - decompile fix
} else if (typeReader == LongTag.TYPE) {
- list.add((T)((NumericTag)tag).getAsLong());
+ list.add((T)(Long)((NumericTag)tag).getAsLong()); // Paper - decompile fix
} else {
- list.add((T)((NumericTag)tag).getAsInt());
+ list.add((T)(Integer)((NumericTag)tag).getAsInt()); // Paper - decompile fix
}
if (!this.hasElementSeparator()) {
@@ -288,4 +293,11 @@
@@ -287,5 +_,11 @@
private void expect(char expected) throws CommandSyntaxException {
this.reader.skipWhitespace();
this.reader.expect(c);
}
+
this.reader.expect(expected);
+ }
+ private void increaseDepth() throws CommandSyntaxException {
+ this.depth++;
+ if (this.depth > 512) {
+ throw new io.papermc.paper.brigadier.TagParseCommandSyntaxException("NBT tag is too complex, depth > 512");
+ }
+ }
}
}

15
paper-server/patches/unapplied/net/minecraft/nbt/ByteArrayTag.java.patch
View file

@ -1,15 +0,0 @@
--- a/net/minecraft/nbt/ByteArrayTag.java
+++ b/net/minecraft/nbt/ByteArrayTag.java
@@ -1,3 +1,4 @@
+// mc-dev import
package net.minecraft.nbt;
import java.io.DataInput;
@@ -24,6 +25,7 @@
private static byte[] readAccounted(DataInput input, NbtAccounter tracker) throws IOException {
tracker.accountBytes(24L);
int i = input.readInt();
+ com.google.common.base.Preconditions.checkArgument( i < 1 << 24); // Spigot
tracker.accountBytes(1L, (long) i);
byte[] abyte = new byte[i];