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Add proxy support #32

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13 changes: 12 additions & 1 deletion pkg/shortscan/shortscan.go
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Original file line number Diff line number Diff line change
Expand Up @@ -152,6 +152,7 @@ type arguments struct {
Characters string `arg:"-C" help:"filename characters to enumerate" default:"JFKGOTMYVHSPCANDXLRWEBQUIZ8549176320-_()&'!#$%@^{}~"`
Autocomplete string `arg:"-a" help:"autocomplete detection mode (auto = autoselect; method = HTTP method magic; status = HTTP status; distance = Levenshtein distance; none = disable)" placeholder:"mode" default:"auto"`
IsVuln bool `arg:"-V" help:"bail after determining whether the service is vulnerable" default:"false"`
Proxy string `arg:"--proxy,-x" help:"proxy to send requests through (e.g. http://proxy:8080 or socks5://proxy:1080)" placeholder:"URL"`
}

func (arguments) Version() string {
Expand Down Expand Up @@ -1105,10 +1106,20 @@ func Run() {
log.SetLevel(log.WarnLevel)
}

// Resolve proxy function: explicit flag takes priority over environment variables
proxyFunc := http.ProxyFromEnvironment
if args.Proxy != "" {
proxyUrl, err := nurl.Parse(args.Proxy)
if err != nil {
log.WithFields(log.Fields{"err": err}).Fatal("Invalid proxy URL")
}
proxyFunc = http.ProxyURL(proxyUrl)
}

// Build an HTTP client
hc := &http.Client{
Timeout: time.Duration(args.Timeout) * time.Second,
Transport: &http.Transport{TLSClientConfig: &tls.Config{InsecureSkipVerify: true, Renegotiation: tls.RenegotiateOnceAsClient}, Proxy: http.ProxyFromEnvironment},
Transport: &http.Transport{TLSClientConfig: &tls.Config{InsecureSkipVerify: true, Renegotiation: tls.RenegotiateOnceAsClient}, Proxy: proxyFunc},
CheckRedirect: func(req *http.Request, via []*http.Request) error { return http.ErrUseLastResponse },
}

Expand Down