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fix: custom shell not supported for listener and valve vistor

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This commit is contained in:
ReaJason
2025-09-12 22:51:50 +08:00
parent 8286dcd4c3
commit d7eaf5c068
10 changed files with 178 additions and 35 deletions
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generator/src/main/java/com/reajason/javaweb/memshell/generator/AntSwordGenerator.java
+5 -2
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@@ -2,6 +2,7 @@ package com.reajason.javaweb.memshell.generator;
import com.reajason.javaweb.memshell.config.AntSwordConfig;
import com.reajason.javaweb.memshell.config.ShellConfig;
import net.bytebuddy.ByteBuddy;
import net.bytebuddy.dynamic.DynamicType;
import static net.bytebuddy.matcher.ElementMatchers.named;
@@ -16,8 +17,10 @@ public class AntSwordGenerator extends ByteBuddyShellGenerator<AntSwordConfig> {
}
@Override
protected DynamicType.Builder<?> build(DynamicType.Builder<?> builder) {
return builder.field(named("pass")).value(shellToolConfig.getPass())
protected DynamicType.Builder<?> getBuilder() {
return new ByteBuddy()
.redefine(shellToolConfig.getShellClass())
.field(named("pass")).value(shellToolConfig.getPass())
.field(named("headerName")).value(shellToolConfig.getHeaderName())
.field(named("headerValue")).value(shellToolConfig.getHeaderValue());
}
generator/src/main/java/com/reajason/javaweb/memshell/generator/BehinderGenerator.java
+6 -2
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@@ -2,6 +2,7 @@ package com.reajason.javaweb.memshell.generator;
import com.reajason.javaweb.memshell.config.BehinderConfig;
import com.reajason.javaweb.memshell.config.ShellConfig;
import net.bytebuddy.ByteBuddy;
import net.bytebuddy.dynamic.DynamicType;
import org.apache.commons.codec.digest.DigestUtils;
@@ -16,9 +17,12 @@ public class BehinderGenerator extends ByteBuddyShellGenerator<BehinderConfig> {
super(shellConfig, shellToolConfig);
}
public DynamicType.Builder<?> build(DynamicType.Builder<?> builder) {
@Override
public DynamicType.Builder<?> getBuilder() {
String md5Key = DigestUtils.md5Hex(shellToolConfig.getPass()).substring(0, 16);
return builder.field(named("pass")).value(md5Key)
return new ByteBuddy()
.redefine(shellToolConfig.getShellClass())
.field(named("pass")).value(md5Key)
.field(named("headerName")).value(shellToolConfig.getHeaderName())
.field(named("headerValue")).value(shellToolConfig.getHeaderValue());
}
generator/src/main/java/com/reajason/javaweb/memshell/generator/ByteBuddyShellGenerator.java
+6 -6
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@@ -10,7 +10,6 @@ import com.reajason.javaweb.memshell.ShellType;
import com.reajason.javaweb.memshell.config.ShellConfig;
import com.reajason.javaweb.memshell.config.ShellToolConfig;
import com.reajason.javaweb.memshell.server.AbstractServer;
import net.bytebuddy.ByteBuddy;
import net.bytebuddy.dynamic.DynamicType;
/**
@@ -26,16 +25,13 @@ public abstract class ByteBuddyShellGenerator<T extends ShellToolConfig> impleme
this.shellToolConfig = shellToolConfig;
}
protected abstract DynamicType.Builder<?> build(DynamicType.Builder<?> builder);
protected abstract DynamicType.Builder<?> getBuilder();
@Override
public byte[] getBytes() {
Class<?> shellClass = shellToolConfig.getShellClass();
String shellClassName = shellToolConfig.getShellClassName();
DynamicType.Builder<?> builder = build(new ByteBuddy()
.redefine(shellClass)
.name(shellClassName)
.visit(new TargetJreVersionVisitorWrapper(shellConfig.getTargetJreVersion())));
DynamicType.Builder<?> builder = getBuilder();
String shellType = shellConfig.getShellType();
AbstractServer server = ServerFactory.getServer(shellConfig.getServer());
@@ -56,6 +52,10 @@ public abstract class ByteBuddyShellGenerator<T extends ShellToolConfig> impleme
builder = LogRemoveMethodVisitor.extend(builder);
}
builder = builder
.name(shellClassName)
.visit(new TargetJreVersionVisitorWrapper(shellConfig.getTargetJreVersion()));
try (DynamicType.Unloaded<?> unloaded = builder.make()) {
return ClassBytesShrink.shrink(unloaded.getBytes(), shellConfig.isShrink());
}
generator/src/main/java/com/reajason/javaweb/memshell/generator/CustomShellGenerator.java
+17 -12
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@@ -1,11 +1,13 @@
package com.reajason.javaweb.memshell.generator;
import com.reajason.javaweb.ClassBytesShrink;
import com.reajason.javaweb.GenerationException;
import com.reajason.javaweb.asm.ClassRenameUtils;
import com.reajason.javaweb.memshell.config.CustomConfig;
import com.reajason.javaweb.memshell.config.ShellConfig;
import org.apache.commons.lang3.StringUtils;
import net.bytebuddy.ByteBuddy;
import net.bytebuddy.description.type.TypeDescription;
import net.bytebuddy.dynamic.ClassFileLocator;
import net.bytebuddy.dynamic.DynamicType;
import net.bytebuddy.jar.asm.ClassReader;
import net.bytebuddy.pool.TypePool;
import java.util.Base64;
@@ -13,21 +15,24 @@ import java.util.Base64;
* @author ReaJason
* @since 2025/3/18
*/
public class CustomShellGenerator extends ASMShellGenerator<CustomConfig> {
public class CustomShellGenerator extends ByteBuddyShellGenerator<CustomConfig> {
public CustomShellGenerator(ShellConfig shellConfig, CustomConfig customConfig) {
super(shellConfig, customConfig);
}
@Override
public byte[] getBytes() {
protected DynamicType.Builder<?> getBuilder() {
String shellClassBase64 = shellToolConfig.getShellClassBase64();
if (StringUtils.isBlank(shellClassBase64)) {
throw new GenerationException("Custom shell class is empty");
}
byte[] classBytes = Base64.getDecoder().decode(shellClassBase64);
byte[] bytes = ClassRenameUtils.renameClass(classBytes, shellToolConfig.getShellClassName());
return ClassBytesShrink.shrink(bytes, shellConfig.isShrink());
ClassReader classReader = new ClassReader(classBytes);
String className = classReader.getClassName().replace('/', '.');
ClassFileLocator classFileLocator = ClassFileLocator.Simple.of(className, classBytes);
TypeDescription typeDescription = new TypePool.Default(
new TypePool.CacheProvider.Simple(), classFileLocator,
TypePool.Default.ReaderMode.FAST, TypePool.Default.ofSystemLoader()
).describe(className).resolve();
return new ByteBuddy()
.redefine(typeDescription, classFileLocator);
}
}
generator/src/main/java/com/reajason/javaweb/memshell/generator/GodzillaGenerator.java
+5 -2
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@@ -2,6 +2,7 @@ package com.reajason.javaweb.memshell.generator;
import com.reajason.javaweb.memshell.config.GodzillaConfig;
import com.reajason.javaweb.memshell.config.ShellConfig;
import net.bytebuddy.ByteBuddy;
import net.bytebuddy.dynamic.DynamicType;
import org.apache.commons.codec.digest.DigestUtils;
@@ -18,10 +19,12 @@ public class GodzillaGenerator extends ByteBuddyShellGenerator<GodzillaConfig> {
}
@Override
public DynamicType.Builder<?> build(DynamicType.Builder<?> builder) {
public DynamicType.Builder<?> getBuilder() {
String md5Key = DigestUtils.md5Hex(shellToolConfig.getKey()).substring(0, 16);
String md5 = DigestUtils.md5Hex(shellToolConfig.getPass() + md5Key).toUpperCase();
return builder.field(named("pass")).value(shellToolConfig.getPass())
return new ByteBuddy()
.redefine(shellToolConfig.getShellClass())
.field(named("pass")).value(shellToolConfig.getPass())
.field(named("key")).value(md5Key)
.field(named("md5")).value(md5)
.field(named("headerName")).value(shellToolConfig.getHeaderName())
generator/src/main/java/com/reajason/javaweb/memshell/generator/NeoreGeorgGenerator.java
+5 -2
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@@ -2,6 +2,7 @@ package com.reajason.javaweb.memshell.generator;
import com.reajason.javaweb.memshell.config.NeoreGeorgConfig;
import com.reajason.javaweb.memshell.config.ShellConfig;
import net.bytebuddy.ByteBuddy;
import net.bytebuddy.dynamic.DynamicType;
import static net.bytebuddy.matcher.ElementMatchers.named;
@@ -16,8 +17,10 @@ public class NeoreGeorgGenerator extends ByteBuddyShellGenerator<NeoreGeorgConfi
}
@Override
protected DynamicType.Builder<?> build(DynamicType.Builder<?> builder) {
return builder.field(named("headerName")).value(shellToolConfig.getHeaderName())
protected DynamicType.Builder<?> getBuilder() {
return new ByteBuddy()
.redefine(shellToolConfig.getShellClass())
.field(named("headerName")).value(shellToolConfig.getHeaderName())
.field(named("headerValue")).value(shellToolConfig.getHeaderValue());
}
}
generator/src/main/java/com/reajason/javaweb/memshell/generator/Suo5Generator.java
+4 -2
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@@ -2,6 +2,7 @@ package com.reajason.javaweb.memshell.generator;
import com.reajason.javaweb.memshell.config.ShellConfig;
import com.reajason.javaweb.memshell.config.Suo5Config;
import net.bytebuddy.ByteBuddy;
import net.bytebuddy.dynamic.DynamicType;
import static net.bytebuddy.matcher.ElementMatchers.named;
@@ -17,8 +18,9 @@ public class Suo5Generator extends ByteBuddyShellGenerator<Suo5Config> {
}
@Override
protected DynamicType.Builder<?> build(DynamicType.Builder<?> builder) {
return builder
protected DynamicType.Builder<?> getBuilder() {
return new ByteBuddy()
.redefine(shellToolConfig.getShellClass())
.field(named("headerName")).value(shellToolConfig.getHeaderName())
.field(named("headerValue")).value(shellToolConfig.getHeaderValue());
}
generator/src/main/java/com/reajason/javaweb/memshell/generator/command/CommandGenerator.java
+6 -3
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@@ -7,6 +7,7 @@ import com.reajason.javaweb.memshell.config.CommandConfig;
import com.reajason.javaweb.memshell.config.ShellConfig;
import com.reajason.javaweb.memshell.generator.ByteBuddyShellGenerator;
import com.reajason.javaweb.utils.ShellCommonUtil;
import net.bytebuddy.ByteBuddy;
import net.bytebuddy.asm.Advice;
import net.bytebuddy.description.modifier.Ownership;
import net.bytebuddy.description.modifier.Visibility;
@@ -26,9 +27,11 @@ public class CommandGenerator extends ByteBuddyShellGenerator<CommandConfig> {
}
@Override
public DynamicType.Builder<?> build(DynamicType.Builder<?> builder) {
builder = builder.field(named("paramName")).value(shellToolConfig.getParamName());
public DynamicType.Builder<?> getBuilder() {
DynamicType.Builder<?> builder = new ByteBuddy()
.redefine(shellToolConfig.getShellClass())
.field(named("paramName"))
.value(shellToolConfig.getParamName());
if (shellConfig.isJakarta()) {
builder = builder.visit(ServletRenameVisitorWrapper.INSTANCE);