Merge pull request #608 from NOPTrace/fix/smtp-deadline

fix: set conn deadline in smtp testAnonymousAccess/testOpenRelay to avoid hang on silent servers

plugins/services/smtp.go

@@ -243,6 +243,9 @@ func (p *SMTPPlugin) testAnonymousAccess(ctx context.Context, info *common.HostI
 		}
 		defer func() { _ = conn.Close() }()
 
+		// 修复: 设置读写超时, 防止对只accept不发送banner的服务器(tarpit)永久阻塞
+		_ = conn.SetDeadline(time.Now().Add(session.Config.ModuleTimeout()))
+
 		client, err := smtp.NewClient(conn, info.Host)
 		if err != nil {
 			resultChan <- nil
@@ -295,6 +298,9 @@ func (p *SMTPPlugin) testOpenRelay(ctx context.Context, info *common.HostInfo, s
 		}
 		defer func() { _ = conn.Close() }()
 
+		// 修复: 设置读写超时, 防止对只accept不发送banner的服务器(tarpit)永久阻塞
+		_ = conn.SetDeadline(time.Now().Add(session.Config.ModuleTimeout()))
+
 		client, err := smtp.NewClient(conn, info.Host)
 		if err != nil {
 			resultChan <- nil

webscan/lib/eval_misc.go

@@ -21,10 +21,6 @@ func registerMiscDeclarations() []*exprpb.Decl {
 			decls.NewOverload("tongda_date",
 				[]*exprpb.Type{},
 				decls.String)),
-		decls.NewFunction("timestamp_second",
-			decls.NewOverload("timestamp_second_zero",
-				[]*exprpb.Type{},
-				decls.Int)),
 	}
 }
 
@@ -51,11 +47,5 @@ func registerMiscImplementations() []*functions.Overload {
 				return types.String(time.Now().Format("0601"))
 			},
 		},
-		{
-			Operator: "timestamp_second_zero",
-			Function: func(value ...ref.Val) ref.Val {
-				return types.Int(time.Now().Unix())
-			},
-		},
 	}
 }

webscan/lib/eval_test.go

@@ -10,7 +10,6 @@ import (
 	"net/url"
 	"strings"
 	"testing"
-	"time"
 
 	"github.com/google/cel-go/common/types"
 )
@@ -1394,19 +1393,3 @@ func TestMakeVarDecl(t *testing.T) {
 		})
 	}
 }
-
-func TestTimestampSecond(t *testing.T) {
-	before := time.Now().Unix()
-	result, err := Evaluate(GetBaseEnv(), "timestamp_second()", map[string]interface{}{})
-	if err != nil {
-		t.Fatal(err)
-	}
-	got, ok := result.Value().(int64)
-	if !ok {
-		t.Fatalf("timestamp_second() type = %T, want int64", result.Value())
-	}
-	after := time.Now().Unix()
-	if got < before || got > after {
-		t.Fatalf("timestamp_second() = %d, want [%d, %d]", got, before, after)
-	}
-}

webscan/lib/poc_executor.go

@@ -869,10 +869,6 @@ func cloneMap(tags map[string]string) map[string]string {
 
 // evalset 执行CEL表达式并处理特殊类型结果
 func evalset(env *cel.Env, variableMap map[string]interface{}, k string, expression string) (string, error) {
-	if isPlainLiteral(expression, variableMap) {
-		variableMap[k] = expression
-		return expression, nil
-	}
 	out, err := Evaluate(env, expression, variableMap)
 	if err != nil {
 		variableMap[k] = ""
@@ -919,11 +915,6 @@ func isPlainLiteral(expr string, variableMap map[string]interface{}) bool {
 	if _, exists := variableMap[expr]; exists {
 		return false
 	}
-	// Base64/JWT 常量常包含 +、/、= 或 .，这些字符在 CEL 中也是语法符号。
-	// 先识别编码值，避免把密钥和令牌误当成表达式编译。
-	if isEncodedLiteral(expr) {
-		return true
-	}
 	// 含 CEL 语法特征的需要走 CEL 编译
 	for _, c := range expr {
 		switch c {
@@ -934,35 +925,6 @@ func isPlainLiteral(expr string, variableMap map[string]interface{}) bool {
 	return true
 }
 
-func isEncodedLiteral(value string) bool {
-	if strings.Count(value, ".") == 2 {
-		parts := strings.Split(value, ".")
-		for _, part := range parts {
-			if part == "" || strings.IndexFunc(part, func(r rune) bool {
-				return !isASCIIAlphaNumeric(r) && r != '-' && r != '_'
-			}) >= 0 {
-				return false
-			}
-		}
-		return true
-	}
-
-	if len(value) < 4 || len(value)%4 != 0 {
-		return false
-	}
-	padding := strings.TrimRight(value, "=")
-	if len(value)-len(padding) > 2 {
-		return false
-	}
-	return strings.IndexFunc(padding, func(r rune) bool {
-		return !isASCIIAlphaNumeric(r) && r != '+' && r != '/'
-	}) < 0
-}
-
-func isASCIIAlphaNumeric(r rune) bool {
-	return r >= 'a' && r <= 'z' || r >= 'A' && r <= 'Z' || r >= '0' && r <= '9'
-}
-
 // CheckInfoPoc 检查POC信息并返回别名
 func CheckInfoPoc(infostr string) string {
 	for _, poc := range fingerprint.PocDatas {

webscan/lib/poc_executor_test.go

@@ -865,33 +865,3 @@ func TestCollectVarDeclarations(t *testing.T) {
 		}
 	})
 }
-
-func TestEvalSetTreatsEncodedValuesAsLiterals(t *testing.T) {
-	env := GetBaseEnv()
-	tests := []string{
-		"fsHspZw/92PrS3XrPW+vxw==",
-		"eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiJuYWNvcyJ9.feetKmWoPnMkAebjkNnyuKo6c21_hzTgu0dfNqbdpZQ",
-	}
-
-	for _, value := range tests {
-		variables := map[string]interface{}{}
-		got, err := evalset(env, variables, "token", value)
-		if err != nil {
-			t.Fatalf("evalset(%q) error = %v", value, err)
-		}
-		if got != value || variables["token"] != value {
-			t.Fatalf("evalset(%q) = %q, stored %v", value, got, variables["token"])
-		}
-	}
-}
-
-func TestEvalSetStillEvaluatesExpressions(t *testing.T) {
-	variables := map[string]interface{}{}
-	got, err := evalset(GetBaseEnv(), variables, "token", "randomLowercase(6)")
-	if err != nil {
-		t.Fatal(err)
-	}
-	if len(got) != 6 {
-		t.Fatalf("randomLowercase result length = %d, want 6", len(got))
-	}
-}

webscan/pocs/ecology-hrmcareerapplyperview-sqli.yaml

@@ -12,7 +12,7 @@ info:
   created: 2025/06/11
 
 set:
-  randstr: randomLowercase(6)
+  randstr: randLowercase(6)
 rules:
   r0:
     request: