Initial commit: 网络拓扑发现系统

- 支持Cisco、华为、H3C、ASA、Linux、Windows设备
- SSH远程采集设备信息
- 自动发现网络拓扑(LLDP/CDP)
- Web可视化界面
- 支持旧版SSH加密算法兼容

internal/device/asa.go

@@ -0,0 +1,112 @@
+package device
+
+import (
+	"bufio"
+	"fmt"
+	"network-topology-discovery/pkg/models"
+	"regexp"
+	"strings"
+)
+
+// ASAParser ASA防火墙解析器
+type ASAParser struct {
+	BaseParser
+}
+
+// GetCommands 获取ASA设备命令列表
+func (p *ASAParser) GetCommands() []string {
+	return []string{
+		"show version",
+		"show interface",
+		"show ip",
+		"show inventory",
+	}
+}
+
+// Parse 解析ASA设备输出
+func (p *ASAParser) Parse(device *models.Device, outputs []string) error {
+	if len(outputs) < 4 {
+		return fmt.Errorf("insufficient command outputs")
+	}
+
+	p.parseVersion(device, outputs[0])
+	device.Interfaces = p.parseInterfaces(outputs[1])
+
+	return nil
+}
+
+func (p *ASAParser) parseVersion(device *models.Device, output string) {
+	hostnameRegex := regexp.MustCompile(`^(\S+)\s*>`)
+	lines := strings.Split(output, "\n")
+	for _, line := range lines {
+		if matches := hostnameRegex.FindStringSubmatch(line); len(matches) > 1 {
+			device.Hostname = matches[1]
+			break
+		}
+	}
+
+	if strings.Contains(output, "ASA Version") {
+		lines := strings.Split(output, "\n")
+		for _, line := range lines {
+			if strings.Contains(line, "ASA Version") {
+				device.OSVersion = strings.TrimSpace(line)
+				break
+			}
+		}
+	}
+
+	uptimeRegex := regexp.MustCompile(`up\s+\d+\s+hours?\s+\d+\s+mins?`)
+	if matches := uptimeRegex.FindString(output); matches != "" {
+		device.Uptime = matches
+	}
+}
+
+func (p *ASAParser) parseInterfaces(output string) []models.Interface {
+	var interfaces []models.Interface
+	scanner := bufio.NewScanner(strings.NewReader(output))
+	var currentInterface *models.Interface
+
+	for scanner.Scan() {
+		line := scanner.Text()
+
+		if nameRegex := regexp.MustCompile(`^Interface\s+(\S+)\s+"(\S+)"`); nameRegex.MatchString(line) {
+			if currentInterface != nil {
+				interfaces = append(interfaces, *currentInterface)
+			}
+			matches := nameRegex.FindStringSubmatch(line)
+			currentInterface = &models.Interface{
+				Name:        matches[1],
+				Description: matches[2],
+			}
+		}
+
+		if currentInterface != nil {
+			if statusRegex := regexp.MustCompile(`\S+\s+is\s+(up|down)`); statusRegex.MatchString(line) {
+				matches := statusRegex.FindStringSubmatch(line)
+				currentInterface.Status = matches[1]
+			}
+
+			if macRegex := regexp.MustCompile(`Hardware is\s+\S+,\s+address is\s+(\S+)`); macRegex.MatchString(line) {
+				matches := macRegex.FindStringSubmatch(line)
+				currentInterface.MAC = matches[1]
+			}
+
+			if ipRegex := regexp.MustCompile(`IP address\s+(\d+\.\d+\.\d+\.\d+),\s+subnet mask\s+(\d+\.\d+\.\d+\.\d+)`); ipRegex.MatchString(line) {
+				matches := ipRegex.FindStringSubmatch(line)
+				currentInterface.IP = matches[1]
+				currentInterface.Mask = matches[2]
+			}
+
+			if speedRegex := regexp.MustCompile(`(\d+)\s+(Mbps|Gbps)`); speedRegex.MatchString(line) {
+				matches := speedRegex.FindStringSubmatch(line)
+				currentInterface.Speed = matches[1] + " " + matches[2]
+			}
+		}
+	}
+
+	if currentInterface != nil {
+		interfaces = append(interfaces, *currentInterface)
+	}
+
+	return interfaces
+}