优化：C++使用盐值计算散列值规则，删除无用代码

sonar-keyware-plugins-cxx/src/main/java/com/keyware/sonar/cxx/rules/checkers/FVNRPassWordChecker.java

@@ -43,10 +43,9 @@ public class FVNRPassWordChecker extends SquidCheck<Grammar> {
         List<String> inputFileLines = getContext().getInputFileLines();
         for (String str:inputFileLines) {
             if(str.startsWith("#include")){
-                if(str.contains("<openssl/aes.h>")){
-                    getContext().createFileViolation(this, "应使用单向不可逆算法对密码进行加密");
-                }else if(str.contains("<openssl/des.h>")){
+                if(str.contains("<openssl/aes.h>") || str.contains("<openssl/des.h>")){
                     getContext().createFileViolation(this, "应使用单向不可逆算法对密码进行加密");
+                    break;
                 }
             }
         }

sonar-keyware-plugins-cxx/src/main/java/com/keyware/sonar/cxx/rules/checkers/FVNRShaChecker.java

@@ -46,6 +46,7 @@ public class FVNRShaChecker extends SquidCheck<Grammar> {
                 if(str.contains("<openssl/") || str.contains("<cryptopp/") ){
                     if(!str.contains("sha.h>") && !str.contains("blake2.h>") && !str.contains("md5.h>")){
                         getContext().createFileViolation(this, "应使用不可逆标准散列算法");
+                        break;
                     }
                 }
             }

sonar-keyware-plugins-cxx/src/main/java/com/keyware/sonar/cxx/rules/checkers/HighEncryptDesChecker.java

@@ -46,6 +46,7 @@ public class HighEncryptDesChecker extends SquidCheck<Grammar> {
                 if(str.contains("<openssl/") || str.contains("<cryptopp/") ){
                     if(!str.contains("aes.h>") && !str.contains("des.h>") ){
                         getContext().createFileViolation(this, "应采用加密强度较高的标准加密算法");
+                        break;
                     }
                 }
             }

sonar-keyware-plugins-cxx/src/main/java/com/keyware/sonar/cxx/rules/checkers/LogChecker.java

@@ -27,7 +27,6 @@ public class LogChecker extends SquidCheck<Grammar> {
 
     @Override
     public void visitFile(@Nullable AstNode astNode) {
-        super.visitFile(astNode);
          if(getContext().getInputFile().filename().endsWith(".log")){
              getContext().createFileViolation(this, "日志文件检查");
          }

sonar-keyware-plugins-cxx/src/main/java/com/keyware/sonar/cxx/rules/checkers/PassWordCountChecker.java

@@ -6,7 +6,9 @@
  */
 package com.keyware.sonar.cxx.rules.checkers;
 
+import com.keyware.sonar.cxx.SubscriptionAstVisitor;
 import com.sonar.cxx.sslr.api.AstNode;
+import com.sonar.cxx.sslr.api.AstNodeType;
 import com.sonar.cxx.sslr.api.Grammar;
 import org.sonar.check.Priority;
 import org.sonar.check.Rule;
@@ -15,6 +17,7 @@ import org.sonar.cxx.squidbridge.annotations.ActivatedByDefault;
 import org.sonar.cxx.squidbridge.annotations.SqaleConstantRemediation;
 import org.sonar.cxx.squidbridge.checks.SquidCheck;
 
+import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -32,7 +35,7 @@ public class PassWordCountChecker extends SquidCheck<Grammar> {
     public void init() {
         // 订阅要检查AST节点类型，用于在visitNode方法中检查该类型节点
         this.subscribeTo(
-                CxxGrammarImpl.simpleDeclaration
+                CxxGrammarImpl.functionBody
         );
     }
 
@@ -44,11 +47,69 @@ public class PassWordCountChecker extends SquidCheck<Grammar> {
      */
     @Override
     public void visitNode(AstNode astNode) {
-        List<AstNode> descendants = astNode.getDescendants(CxxGrammarImpl.templateName);
-        for (AstNode desc:descendants) {
-            String value = desc.getToken().getValue();
-            if("hash".equals(value)){
-                getContext().createLineViolation(this, "使用盐值计算散列值", desc);
+        BodyWay bodyWay = new BodyWay(this);
+        bodyWay.accept(astNode);
+    }
+
+    class BodyWay extends SubscriptionAstVisitor{
+
+        /**
+         * 构造函数需要传入初代访问器
+         *
+         * @param checker 初代规则检查器
+         */
+        public BodyWay(SquidCheck<Grammar> checker) {
+            super(checker);
+        }
+
+        @Override
+        public List<AstNodeType> visitNodeTypes() {
+            return List.of(CxxGrammarImpl.functionBody);
+        }
+
+        @Override
+        public void visitNode(AstNode astNode) {
+            //获取方法参数列表
+            List<AstNode> nodeDescendants = astNode.getDescendants(CxxGrammarImpl.expressionList);
+            List<String> seqLists = new ArrayList<>();
+            for(AstNode desc :nodeDescendants){
+                seqLists.add(desc.getTokenValue());
+            }
+            //判读入参有没有进行赋值操作
+            List<AstNode> astNodes = astNode.getDescendants(CxxGrammarImpl.assignmentExpression);
+            List<String> aslists = new ArrayList<>();
+            for(AstNode ast : astNodes){
+                if(seqLists.contains(ast.getTokenValue())){
+                    aslists.add(ast.getTokenValue());
+                }
+            }
+            //获取到声明hash变量名
+            List<String> lists = new ArrayList<>();
+            List<AstNode> astNodeDescendants = astNode.getDescendants(CxxGrammarImpl.simpleDeclaration);
+            for(AstNode des :astNodeDescendants){
+                if("std".equals(des.getTokenValue())){
+                    List<AstNode> descendants = des.getDescendants(CxxGrammarImpl.typeName);
+                    for (AstNode dan : descendants){
+                        if("hash".equals(dan.getTokenValue())){
+                            List<AstNode> nodeList = des.getDescendants(CxxGrammarImpl.initDeclarator);
+                            for (AstNode lis:nodeList) {
+                                lists.add(lis.getTokenValue());
+                            }
+                        }
+                    }
+                }
+            }
+            //判断生成的散列值参数是否是进行赋后的入参
+            List<AstNode> descendants = astNode.getDescendants(CxxGrammarImpl.postfixExpression);
+            for (AstNode desc:descendants) {
+                if(lists.contains(desc.getTokenValue())){
+                    List<AstNode> descDescendants = desc.getDescendants(CxxGrammarImpl.expressionList);
+                    for(AstNode dd : descDescendants){
+                        if(!aslists.contains(dd.getTokenValue())){
+                            reportIssue(dd, "使用盐值计算散列值");
+                        }
+                    }
+                }
             }
         }
     }

sonar-keyware-plugins-cxx/src/test/java/com/keyware/sonar/cxx/rules/checkers/PassWordCountCheckerTest.java

@@ -28,7 +28,7 @@ public class PassWordCountCheckerTest {
         var tester = CxxFileTesterHelper.create("PassWordCountChecker.cc");
         SourceFile file = CxxAstScanner.scanSingleInputFile(tester.asInputFile(), checker);
         CheckMessagesVerifier.verify(file.getCheckMessages())
-                .next().atLine(5).withMessage("使用盐值计算散列值")
+                .next().atLine(10).withMessage("使用盐值计算散列值")
                 .noMore();
     }
 }

sonar-keyware-plugins-cxx/src/test/resources/com/keyware/sonar/cxx/rules/checkers/PassWordCountChecker.cc

@@ -1,10 +1,20 @@
-int main() {
+#include <iostream>
+#include <string>
+#include <functional> // 引入std::hash
+
+int test(std::string& input) {
+//    input = "example" + "1234";
 
-    std::string input = "example";
-    // 使用std::hash
-    std::hash<std::string> hasher ; // error
+    // 正确实例化并使用std::hash
+    std::hash<std::string> hasher;
     size_t hash_value = hasher(input);
     std::cout << "Hash value using std::hash: " << hash_value << std::endl;
 
     return 0;
 }
+
+int main() {
+    std::string input;
+    test(input);
+    return 0;
+}