83 lines
1.6 KiB
Go
83 lines
1.6 KiB
Go
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package main
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import (
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"flag"
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"fmt"
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"os"
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"strconv"
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"strings"
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)
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func usage() {
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fmt.Fprintf(os.Stderr, "\nusage: go run sclient*.go <remote> <local>\n"+
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"\n"+
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" ex: sclient example.com 3000\n"+
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" (sclient example.com:443 localhost:3000)\n"+
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"\n"+
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" ex: sclient example.com:8443 0.0.0.0:4080\n"+
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"\n")
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flag.PrintDefaults()
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fmt.Println()
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}
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func main() {
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flag.Usage = usage
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insecure := flag.Bool("k", false, "ignore bad TLS/SSL/HTTPS certificates")
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flag.BoolVar(insecure, "insecure", false, "ignore bad TLS/SSL/HTTPS certificates")
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flag.Parse()
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// NArg, Arg, Args
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i := flag.NArg()
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if 2 != i {
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usage()
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os.Exit(0)
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}
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opts := &SclientOpts{}
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opts.RemotePort = 443
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opts.LocalAddress = "localhost"
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opts.InsecureSkipVerify = *insecure
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remote := strings.Split(flag.Arg(0), ":")
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//remoteAddr, remotePort, err := net.SplitHostPort(flag.Arg(0))
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if 2 == len(remote) {
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rport, err := strconv.Atoi(remote[1])
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if nil != err {
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usage()
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os.Exit(0)
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}
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opts.RemotePort = rport
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} else if 1 != len(remote) {
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usage()
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os.Exit(0)
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}
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opts.RemoteAddress = remote[0]
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local := strings.Split(flag.Arg(1), ":")
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//localAddr, localPort, err := net.SplitHostPort(flag.Arg(0))
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if 1 == len(local) {
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lport, err := strconv.Atoi(local[0])
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if nil != err {
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usage()
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os.Exit(0)
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}
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opts.LocalPort = lport
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} else {
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lport, err := strconv.Atoi(local[1])
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if nil != err {
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usage()
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os.Exit(0)
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}
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opts.LocalAddress = local[0]
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opts.LocalPort = lport
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}
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sclient := &Sclient{}
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err := sclient.DialAndListen(opts)
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if nil != err {
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usage()
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os.Exit(0)
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}
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}
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