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Code Issues Projects Releases Wiki Activity

SPIGOT-705: Fix possible CME

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This commit is contained in:
Thinkofdeath 2015-03-15 21:38:05 +00:00
parent 6a374be737
commit 7f609b12b9
3 changed files with 39 additions and 19 deletions
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24
nms-patches/Chunk.patch
View File

@ -1,5 +1,5 @@
--- /home/matt/mc-dev-private//net/minecraft/server/Chunk.java 2015-02-26 22:40:22.311608142 +0000
+++ src/main/java/net/minecraft/server/Chunk.java 2015-02-26 22:40:22.315608142 +0000
--- /home/matt/mc-dev-private//net/minecraft/server/Chunk.java 2015-03-15 21:30:40.204367362 +0000
+++ src/main/java/net/minecraft/server/Chunk.java 2015-03-15 21:30:40.216367361 +0000
@@ -14,6 +14,9 @@
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
@ -63,7 +63,15 @@
public Chunk(World world, int i, int j) {
this.sections = new ChunkSection[16];
this.e = new byte[256];
@@ -60,8 +91,17 @@
@@ -54,14 +85,25 @@
this.locZ = j;
this.heightMap = new int[256];
+ /* CraftBukkit start
for (int k = 0; k < this.entitySlices.length; ++k) {
this.entitySlices[k] = new EntitySlice(Entity.class);
}
+ // CraftBukkit end */
Arrays.fill(this.f, -999);
Arrays.fill(this.e, (byte) -1);
@ -81,7 +89,7 @@
public Chunk(World world, ChunkSnapshot chunksnapshot, int i, int j) {
this(world, i, j);
short short0 = 256;
@@ -529,7 +569,8 @@
@@ -529,7 +571,8 @@
}
}
@ -91,7 +99,7 @@
block.onPlace(this.world, blockposition, iblockdata);
}
@@ -610,7 +651,11 @@
@@ -610,7 +653,11 @@
int j = MathHelper.floor(entity.locZ / 16.0D);
if (i != this.locX || j != this.locZ) {
@ -104,7 +112,7 @@
entity.die();
}
@@ -697,6 +742,13 @@
@@ -697,6 +744,13 @@
tileentity.D();
this.tileEntities.put(blockposition, tileentity);
@ -118,7 +126,7 @@
}
}
@@ -740,7 +792,21 @@
@@ -740,7 +794,21 @@
}
for (int i = 0; i < this.entitySlices.length; ++i) {
@ -141,7 +149,7 @@
}
}
@@ -798,8 +864,8 @@
@@ -798,8 +866,8 @@
while (iterator.hasNext()) {
Entity entity = (Entity) iterator.next();

28
nms-patches/ChunkProviderServer.patch
View File

@ -1,5 +1,5 @@
--- /home/matt/mc-dev-private//net/minecraft/server/ChunkProviderServer.java 2015-02-26 22:40:22.319608142 +0000
+++ src/main/java/net/minecraft/server/ChunkProviderServer.java 2015-02-26 22:40:22.323608142 +0000
--- /home/matt/mc-dev-private//net/minecraft/server/ChunkProviderServer.java 2015-03-15 21:37:46.552362734 +0000
+++ src/main/java/net/minecraft/server/ChunkProviderServer.java 2015-03-15 21:37:46.552362734 +0000
@@ -11,17 +11,28 @@
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
@ -138,7 +138,7 @@
if (chunk == null) {
chunk = this.loadChunk(i, j);
@@ -79,16 +144,43 @@
@@ -79,16 +144,49 @@
CrashReportSystemDetails crashreportsystemdetails = crashreport.a("Chunk to be generated");
crashreportsystemdetails.a("Location", (Object) String.format("%d,%d", new Object[] { Integer.valueOf(i), Integer.valueOf(j)}));
@ -154,6 +154,12 @@
- this.chunks.put(k, chunk);
- this.chunkList.add(chunk);
+ this.chunks.put(LongHash.toLong(i, j), chunk);
+
+ // CraftBukkit start - moved from Chunk.<init>
+ for (int k = 0; k < chunk.entitySlices.length; ++k) {
+ chunk.entitySlices[k] = new EntitySlice(Entity.class);
+ }
+ // CraftBukkit end
chunk.addEntities();
+
+ // CraftBukkit start
@ -185,7 +191,7 @@
chunk.loadNearby(this, this, i, j);
}
@@ -96,12 +188,25 @@
@@ -96,12 +194,25 @@
}
public Chunk getOrCreateChunk(int i, int j) {
@ -214,7 +220,7 @@
if (this.chunkLoader == null) {
return null;
} else {
@@ -123,7 +228,7 @@
@@ -123,7 +234,7 @@
}
}
@ -223,7 +229,7 @@
if (this.chunkLoader != null) {
try {
this.chunkLoader.b(this.world, chunk);
@@ -134,7 +239,7 @@
@@ -134,7 +245,7 @@
}
}
@ -232,7 +238,7 @@
if (this.chunkLoader != null) {
try {
chunk.setLastSaved(this.world.getTime());
@@ -155,6 +260,30 @@
@@ -155,6 +266,30 @@
chunk.n();
if (this.chunkProvider != null) {
this.chunkProvider.getChunkAt(ichunkprovider, i, j);
@ -263,7 +269,7 @@
chunk.e();
}
}
@@ -174,10 +303,12 @@
@@ -174,10 +309,12 @@
public boolean saveChunks(boolean flag, IProgressUpdate iprogressupdate) {
int i = 0;
@ -279,7 +285,7 @@
if (flag) {
this.saveChunkNOP(chunk);
@@ -205,22 +336,43 @@
@@ -205,22 +342,43 @@
public boolean unloadChunks() {
if (!this.world.savingDisabled) {
@ -330,7 +336,7 @@
if (this.chunkLoader != null) {
this.chunkLoader.a();
@@ -235,7 +387,8 @@
@@ -235,7 +393,8 @@
}
public String getName() {
@ -340,7 +346,7 @@
}
public List<BiomeBase.BiomeMeta> getMobsFor(EnumCreatureType enumcreaturetype, BlockPosition blockposition) {
@@ -247,7 +400,8 @@
@@ -247,7 +406,8 @@
}
public int getLoadedChunks() {

6
src/main/java/org/bukkit/craftbukkit/chunkio/ChunkIOProvider.java
View File

@ -12,6 +12,8 @@ import org.bukkit.craftbukkit.util.LongHash;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.logging.Level;
import java.util.logging.Logger;
import net.minecraft.server.Entity;
import net.minecraft.server.EntitySlice;
class ChunkIOProvider implements AsynchronousExecutor.CallBackProvider<QueuedChunk, Chunk, Runnable, RuntimeException> {
private final AtomicInteger threadNumber = new AtomicInteger(1);
@ -40,6 +42,10 @@ class ChunkIOProvider implements AsynchronousExecutor.CallBackProvider<QueuedChu
queuedChunk.provider.originalGetChunkAt(queuedChunk.x, queuedChunk.z);
return;
}
// moved from Chunk.<init>
for (int k = 0; k < chunk.entitySlices.length; ++k) {
chunk.entitySlices[k] = new EntitySlice(Entity.class);
}
queuedChunk.loader.loadEntities(chunk, queuedChunk.compound.getCompound("Level"), queuedChunk.world);
chunk.setLastSaved(queuedChunk.provider.world.getTime());