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Merge pull request #37 from projectdiscovery/add-hostsfile-support
Adding hostsfile support
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| package hostsfile | ||
|
|
||
| import ( | ||
| "errors" | ||
| "fmt" | ||
| "os" | ||
| "runtime" | ||
| "strings" | ||
|
|
||
| "github.com/projectdiscovery/fileutil" | ||
| "github.com/projectdiscovery/stringsutil" | ||
| ) | ||
|
|
||
| func Path() string { | ||
| if runtime.GOOS == "windows" { | ||
| return fmt.Sprintf(`%s\System32\Drivers\etc\hosts`, os.Getenv("SystemRoot")) | ||
| } | ||
| return "/etc/hosts" | ||
| } | ||
|
|
||
| func ParseDefault() (map[string][]string, error) { | ||
| return Parse(Path()) | ||
| } | ||
|
|
||
| func Parse(p string) (map[string][]string, error) { | ||
| if !fileutil.FileExists(p) { | ||
| return nil, errors.New("hosts file doesn't exist") | ||
| } | ||
|
|
||
| hostsFileCh, err := fileutil.ReadFile(p) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| items := make(map[string][]string) | ||
| for line := range hostsFileCh { | ||
| line = strings.TrimSpace(line) | ||
| // skip comments and empty lines | ||
| if line == "" || strings.HasPrefix(line, "#") { | ||
| continue | ||
| } | ||
|
|
||
| // discard comment part | ||
| if strings.Contains(line, "#") { | ||
| line = stringsutil.Before(line, "#") | ||
| } | ||
| tokens := strings.Fields(line) | ||
| if len(tokens) > 1 { | ||
| ip := tokens[0] | ||
| for _, hostname := range tokens[1:] { | ||
| items[hostname] = append(items[hostname], ip) | ||
| } | ||
| } | ||
| } | ||
| return items, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -6,4 +6,5 @@ type Options struct { | |
| BaseResolvers []string | ||
| MaxRetries int | ||
| Timeout time.Duration | ||
| Hostsfile bool | ||
| } | ||