feat: 分离结果输出和日志

This commit is contained in:
ZacharyZcR
2025-01-14 23:38:58 +08:00
parent c6c613a17b
commit 97e9ac7161
38 changed files with 1526 additions and 879 deletions
+38 -30
View File
@@ -19,73 +19,86 @@ func SNMPScan(info *Common.HostInfo) (tmperr error) {
portNum, _ := strconv.Atoi(info.Ports)
defaultCommunities := []string{"public", "private", "cisco", "community"}
timeout := time.Duration(Common.Timeout) * time.Second
target := fmt.Sprintf("%v:%v", info.Host, info.Ports)
Common.LogDebug(fmt.Sprintf("开始扫描 %v:%v", info.Host, info.Ports))
Common.LogDebug(fmt.Sprintf("开始扫描 %s", target))
Common.LogDebug(fmt.Sprintf("尝试默认 community 列表 (总数: %d)", len(defaultCommunities)))
tried := 0
total := len(defaultCommunities)
// 遍历所有 community
for _, community := range defaultCommunities {
tried++
Common.LogDebug(fmt.Sprintf("[%d/%d] 尝试 community: %s", tried, total, community))
// 重试循环
for retryCount := 0; retryCount < maxRetries; retryCount++ {
if retryCount > 0 {
Common.LogDebug(fmt.Sprintf("第%d次重试: community: %s", retryCount+1, community))
}
// 执行SNMP连接
done := make(chan struct {
success bool
sysDesc string
err error
}, 1)
go func(community string) {
success, err := SNMPConnect(info, community, portNum)
success, sysDesc, err := SNMPConnect(info, community, portNum)
select {
case done <- struct {
success bool
sysDesc string
err error
}{success, err}:
}{success, sysDesc, err}:
default:
}
}(community)
// 等待结果或超时
var err error
select {
case result := <-done:
err = result.err
if result.success && err == nil {
// 连接成功
successLog := fmt.Sprintf("SNMP服务 %v:%v community: %v 连接成功",
info.Host, info.Ports, community)
Common.LogSuccess(successLog)
successMsg := fmt.Sprintf("SNMP服务 %s community: %v 连接成功", target, community)
if result.sysDesc != "" {
successMsg += fmt.Sprintf(" System: %v", result.sysDesc)
}
Common.LogSuccess(successMsg)
// 保存结果
vulnResult := &Common.ScanResult{
Time: time.Now(),
Type: Common.VULN,
Target: info.Host,
Status: "vulnerable",
Details: map[string]interface{}{
"port": info.Ports,
"service": "snmp",
"community": community,
"type": "weak-community",
"system": result.sysDesc,
},
}
Common.SaveResult(vulnResult)
return nil
}
case <-time.After(timeout):
err = fmt.Errorf("连接超时")
}
// 处理错误情况
if err != nil {
errlog := fmt.Sprintf("SNMP服务 %v:%v 尝试失败 community: %v 错误: %v",
info.Host, info.Ports, community, err)
errlog := fmt.Sprintf("SNMP服务 %s 尝试失败 community: %v 错误: %v",
target, community, err)
Common.LogError(errlog)
// 检查是否需要重试
if retryErr := Common.CheckErrs(err); retryErr != nil {
if retryCount == maxRetries-1 {
continue
}
continue // 继续重试
continue
}
}
break // 如果不需要重试,跳出重试循环
break
}
}
@@ -94,7 +107,7 @@ func SNMPScan(info *Common.HostInfo) (tmperr error) {
}
// SNMPConnect 尝试SNMP连接
func SNMPConnect(info *Common.HostInfo, community string, portNum int) (bool, error) {
func SNMPConnect(info *Common.HostInfo, community string, portNum int) (bool, string, error) {
host := info.Host
timeout := time.Duration(Common.Timeout) * time.Second
@@ -109,28 +122,23 @@ func SNMPConnect(info *Common.HostInfo, community string, portNum int) (bool, er
err := snmp.Connect()
if err != nil {
return false, err
return false, "", err
}
defer snmp.Conn.Close()
oids := []string{"1.3.6.1.2.1.1.1.0"}
result, err := snmp.Get(oids)
if err != nil {
return false, err
return false, "", err
}
if len(result.Variables) > 0 {
success := fmt.Sprintf("SNMP服务 %v:%v community: %v",
host, portNum, community) // 使用portNum替换port
var sysDesc string
if result.Variables[0].Type != gosnmp.NoSuchObject {
sysDesc := strings.TrimSpace(string(result.Variables[0].Value.([]byte)))
success += fmt.Sprintf(" System: %v", sysDesc)
sysDesc = strings.TrimSpace(string(result.Variables[0].Value.([]byte)))
}
Common.LogSuccess(success)
return true, nil
return true, sysDesc, nil
}
return false, fmt.Errorf("认证失败")
return false, "", fmt.Errorf("认证失败")
}