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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| /* | ||
| * SPDX-License-Identifier: AGPL-3.0-only | ||
| * Copyright (c) 2022-2024, daeuniverse Organization <dae@v2raya.org> | ||
| */ | ||
|
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||
| package cmd | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "io/ioutil" | ||
| "fmt" | ||
| "os" | ||
| "os/exec" | ||
| "path/filepath" | ||
| "strings" | ||
|
|
||
| "github.com/vishvananda/netlink" | ||
| "github.com/spf13/cobra" | ||
| "github.com/mholt/archiver/v3" | ||
| "github.com/shirou/gopsutil/v4/net" | ||
| ) | ||
|
|
||
| var ( | ||
| sysdumpCmd = &cobra.Command{ | ||
| Use: "sysdump", | ||
| Short: "Dumps system network information", | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
| dumpNetworkInfo() | ||
| }, | ||
| } | ||
| ) | ||
|
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| func dumpNetworkInfo() { | ||
| tempDir, err := ioutil.TempDir("", "sysdump") | ||
| if err != nil { | ||
| fmt.Printf("Failed to create temp directory: %v\n", err) | ||
| return | ||
| } | ||
| defer os.RemoveAll(tempDir) | ||
|
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| dumpRouting(tempDir) | ||
| dumpNetInterfaces(tempDir) | ||
| dumpSysctl(tempDir) | ||
| dumpNetfilter(tempDir) | ||
| dumpIPTables(tempDir) | ||
|
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| tarFile := "sysdump.tar.gz" | ||
| if err := archiver.Archive([]string{tempDir}, tarFile); err != nil { | ||
| fmt.Printf("Failed to create tar archive: %v\n", err) | ||
| return | ||
| } | ||
|
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| fmt.Printf("System network information collected and saved to %s\n", tarFile) | ||
| } | ||
|
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| func dumpRouting(outputDir string) { | ||
| routes, err := netlink.RouteList(nil, netlink.FAMILY_ALL) | ||
| if err != nil { | ||
| fmt.Printf("Failed to get routing table: %v\n", err) | ||
| return | ||
| } | ||
|
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| var buffer bytes.Buffer | ||
| buffer.WriteString("Routing Table:\n") | ||
| for _, route := range routes { | ||
| buffer.WriteString(fmt.Sprintf("Iface: %s, Dst: %s, Gw: %s, Flags: %d, Table: %d, Proto: %d, Scope: %d, Type: %d, TOS: %d\n", | ||
| route.LinkIndex, route.Dst, route.Gw, route.Flags, route.Table, route.Protocol, route.Scope, route.Type, route.Tos)) | ||
| } | ||
|
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| ioutil.WriteFile(filepath.Join(outputDir, "routing.txt"), buffer.Bytes(), 0644) | ||
| } | ||
|
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| func dumpNetInterfaces(outputDir string) { | ||
| interfaces, err := net.Interfaces() | ||
| if err != nil { | ||
| fmt.Printf("Failed to get network interfaces: %v\n", err) | ||
| return | ||
| } | ||
|
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| var buffer bytes.Buffer | ||
| buffer.WriteString("Network Interfaces:\n") | ||
| for _, iface := range interfaces { | ||
| buffer.WriteString(fmt.Sprintf("Name: %s, MTU: %d, HardwareAddr: %s, Flags: %v\n", | ||
| iface.Name, iface.MTU, iface.HardwareAddr, iface.Flags)) | ||
| for _, addr := range iface.Addrs { | ||
| buffer.WriteString(fmt.Sprintf(" Address: %s\n", addr.Addr)) | ||
| } | ||
| } | ||
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| ioutil.WriteFile(filepath.Join(outputDir, "interfaces.txt"), buffer.Bytes(), 0644) | ||
| } | ||
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| func dumpSysctl(outputDir string) { | ||
| sysctlPath := "/proc/sys/net" | ||
| var buffer bytes.Buffer | ||
|
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| err := filepath.Walk(sysctlPath, func(path string, info os.FileInfo, err error) error { | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| if !info.IsDir() { | ||
| value, err := ioutil.ReadFile(path) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| relativePath := strings.TrimPrefix(path, sysctlPath+"/") | ||
| buffer.WriteString(fmt.Sprintf("%-60s = %s\n", relativePath, string(value))) | ||
| } | ||
| return nil | ||
| }) | ||
|
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| if err != nil { | ||
| fmt.Printf("Failed to get sysctl settings: %v\n", err) | ||
| return | ||
| } | ||
|
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| ioutil.WriteFile(filepath.Join(outputDir, "sysctl.txt"), buffer.Bytes(), 0644) | ||
| } | ||
|
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| func dumpNetfilter(outputDir string) { | ||
| cmd := exec.Command("nft", "list", "ruleset") | ||
| output, err := cmd.CombinedOutput() | ||
| if err != nil { | ||
| fmt.Printf("Failed to get nftables ruleset: %v\n", err) | ||
| return | ||
| } | ||
|
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| ioutil.WriteFile(filepath.Join(outputDir, "nftables.txt"), output, 0644) | ||
| } | ||
|
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| func dumpIPTables(outputDir string) { | ||
| cmd := exec.Command("iptables-save", "-t", "nat") | ||
| output, err := cmd.CombinedOutput() | ||
| if err != nil { | ||
| fmt.Printf("Failed to get iptables NAT table: %v\n", err) | ||
| return | ||
| } | ||
|
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| ioutil.WriteFile(filepath.Join(outputDir, "iptables_nat.txt"), output, 0644) | ||
| } | ||
|
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| func init() { | ||
| rootCmd.AddCommand(sysdumpCmd) | ||
| } |
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