runletapp / go-console Goto Github PK
View Code? Open in Web Editor NEWCross-platform PTY interface
License: MIT License
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go-console's Issues
Unable to compile for Windows from Linux
I've been able to compile this program on Linux
// I have simplified the code to highlight the interesting bits for the purpose of the blog post:
// - windows resizing is not addressed
// - client does not catch signals (CTRL + C, etc.) to gracefully close the tcp connection
//
// Build: go build -o remote main.go
// In one terminal run: ./remote -server
// In another terminal run: ./remote
//
// Run on multiple machines:
// In the client function, replace the loopback address with IP of the machine, then rebuild
// Beware the unecrypted TCP connection!
package main
import (
"flag"
"fmt"
"golang.org/x/crypto/ssh/terminal"
"io"
"net"
"os"
"github.com/runletapp/go-console"
)
var isServer *bool
func init() {
isServer = flag.Bool("server", false, "")
}
func server() error {
// Create command
var args []string = []string{"sh"}
// Start the command with a pty.
ptmx, e := console.New(120, 60)
if e != nil {
return e
}
// Make sure to close the pty at the end.
defer func() { ptmx.Close() }() // Best effort.
ptmx.Start(args)
return listen(ptmx)
}
func listen(ptmx console.Console) error {
fmt.Println("Launching server...")
// listen on all interfaces
ln, e := net.Listen("tcp", ":8081")
if e != nil {
return e
}
// accept connection on port
conn, e := ln.Accept()
if e != nil {
return e
}
go func() { _, _ = io.Copy(ptmx, conn) }()
_, e = io.Copy(conn, ptmx)
return e
}
func client() error {
// connect to this socket
conn, e := net.Dial("tcp", "127.0.0.1:8081")
if e != nil {
return e
}
// MakeRaw put the terminal connected to the given file descriptor into raw
// mode and returns the previous state of the terminal so that it can be
// restored.
oldState, e := terminal.MakeRaw(int(os.Stdin.Fd()))
if e != nil {
return e
}
defer func() { _ = terminal.Restore(int(os.Stdin.Fd()), oldState) }() // Best effort.
go func() { _, _ = io.Copy(os.Stdout, conn) }()
_, e = io.Copy(conn, os.Stdin)
fmt.Println("Bye!")
return e
}
func clientAndServer() error {
flag.Parse()
if isServer != nil && *isServer {
fmt.Println("Starting server mode")
return server()
} else {
fmt.Println("Starting client mode")
return client()
}
}
func main() {
if e := clientAndServer(); e != nil {
fmt.Println(e)
}
}```
but when I tried to compile it for Windows with ```GOOS=windows go build main.go```, I first ran into this error:
```go/src/github.com/runletapp/go-console/console_windows.go:13:2: cannot find package "github.com/iamacarpet/go-winpty" in any of:
/usr/local/go/src/github.com/iamacarpet/go-winpty (from $GOROOT)
/home/matteo/go/src/github.com/iamacarpet/go-winpty (from $GOPATH)`
then I tried ```go get github.com/iamacarpet/go-winpty```
but I got a second new error ```# github.com/iamacarpet/go-winpty
../../../go/src/github.com/iamacarpet/go-winpty/defines.go:14:13: undefined: syscall.LazyDLL
../../../go/src/github.com/iamacarpet/go-winpty/defines.go:17:21: undefined: syscall.LazyProc
../../../go/src/github.com/iamacarpet/go-winpty/defines.go:18:21: undefined: syscall.LazyProc
../../../go/src/github.com/iamacarpet/go-winpty/defines.go:19:21: undefined: syscall.LazyProc
../../../go/src/github.com/iamacarpet/go-winpty/defines.go:22:35: undefined: syscall.LazyProc
../../../go/src/github.com/iamacarpet/go-winpty/defines.go:23:35: undefined: syscall.LazyProc
../../../go/src/github.com/iamacarpet/go-winpty/defines.go:24:35: undefined: syscall.LazyProc
../../../go/src/github.com/iamacarpet/go-winpty/defines.go:25:35: undefined: syscall.LazyProc
../../../go/src/github.com/iamacarpet/go-winpty/defines.go:26:35: undefined: syscall.LazyProc
../../../go/src/github.com/iamacarpet/go-winpty/defines.go:29:24: undefined: syscall.LazyProc
../../../go/src/github.com/iamacarpet/go-winpty/defines.go:29:24: too many errors
matteo ~ Desktop RAT PTY 2 go get "github.com/iamacarpet/go-winpty"
# github.com/iamacarpet/go-winpty
../../../go/src/github.com/iamacarpet/go-winpty/defines.go:14:13: undefined: syscall.LazyDLL
../../../go/src/github.com/iamacarpet/go-winpty/defines.go:17:21: undefined: syscall.LazyProc
../../../go/src/github.com/iamacarpet/go-winpty/defines.go:18:21: undefined: syscall.LazyProc
../../../go/src/github.com/iamacarpet/go-winpty/defines.go:19:21: undefined: syscall.LazyProc
../../../go/src/github.com/iamacarpet/go-winpty/defines.go:22:35: undefined: syscall.LazyProc
../../../go/src/github.com/iamacarpet/go-winpty/defines.go:23:35: undefined: syscall.LazyProc
../../../go/src/github.com/iamacarpet/go-winpty/defines.go:24:35: undefined: syscall.LazyProc
../../../go/src/github.com/iamacarpet/go-winpty/defines.go:25:35: undefined: syscall.LazyProc
../../../go/src/github.com/iamacarpet/go-winpty/defines.go:26:35: undefined: syscall.LazyProc
../../../go/src/github.com/iamacarpet/go-winpty/defines.go:29:24: undefined: syscall.LazyProc
../../../go/src/github.com/iamacarpet/go-winpty/defines.go:29:24: too many errors```
Am I forced to compile it on a Windows machine in which golang is installed?
Best;
MM
Is it possible to remove winpty
does it possible replace with https://github.com/golang/term or https://github.com/containerd/console
"cls" command strange behavior
// Companion code for the Linux terminals blog series: https://dev.to/napicella/linux-terminals-tty-pty-and-shell-192e
// I have simplified the code to highlight the interesting bits for the purpose of the blog post:
// - windows resizing is not addressed
// - client does not catch signals (CTRL + C, etc.) to gracefully close the tcp connection
//
// Build: go build -o remote main.go
// In one terminal run: ./remote -server
// In another terminal run: ./remote
//
// Run on multiple machines:
// In the client function, replace the loopback address with IP of the machine, then rebuild
// Beware the unecrypted TCP connection!
package main
import (
"flag"
"fmt"
"golang.org/x/crypto/ssh/terminal"
"io"
"net"
"os"
"github.com/runletapp/go-console"
)
var isServer *bool
func init() {
isServer = flag.Bool("server", false, "")
}
func server() error {
// Create command
var args []string = []string{"cmd"}
// Start the command with a pty.
ptmx, e := console.New(120, 60)
if e != nil {
return e
}
// Make sure to close the pty at the end.
defer func() { ptmx.Close() }() // Best effort.
ptmx.Start(args)
return listen(ptmx)
}
func listen(ptmx console.Console) error {
fmt.Println("Launching server...")
// listen on all interfaces
ln, e := net.Listen("tcp", ":8081")
if e != nil {
return e
}
// accept connection on port
conn, e := ln.Accept()
if e != nil {
return e
}
go func() { _, _ = io.Copy(ptmx, conn) }()
_, e = io.Copy(conn, ptmx)
return e
}
func client() error {
// connect to this socket
conn, e := net.Dial("tcp", "127.0.0.1:8081")
if e != nil {
return e
}
// MakeRaw put the terminal connected to the given file descriptor into raw
// mode and returns the previous state of the terminal so that it can be
// restored.
oldState, e := terminal.MakeRaw(int(os.Stdin.Fd()))
if e != nil {
return e
}
defer func() { _ = terminal.Restore(int(os.Stdin.Fd()), oldState) }() // Best effort.
go func() { _, _ = io.Copy(os.Stdout, conn) }()
_, e = io.Copy(conn, os.Stdin)
fmt.Println("Bye!")
return e
}
func clientAndServer() error {
flag.Parse()
if isServer != nil && *isServer {
fmt.Println("Starting server mode")
return server()
} else {
fmt.Println("Starting client mode")
return client()
}
}
func main() {
if e := clientAndServer(); e != nil {
fmt.Println(e)
}
}
this is my code. I ran the client from Linux and the server from Win.
when I send "cls" command after a bunch of instructions/output lines, It has a strange behavior.
It's like it creates a new prompt for each char I type, and each prompt is very distant
before typing "dir": https://drive.google.com/file/d/1qH_jbIxXZsyKpCWEbdJ5n0mFLHIsIXZm/view?usp=sharing
before doing "cls": https://drive.google.com/file/d/1MB0-TzQCtO053cei58F1FNmFvf3Td7XA/view?usp=sharing
after doing "cls", when I try to type sth: https://drive.google.com/file/d/1go6I5YvgcR5DMk67Xr7Xr704hMDUBiZ0/view?usp=sharing
therefore It creates a new prompt for each char/action I choose: https://drive.google.com/file/d/1EXU7uZ9F-AgdC11BUggvJU4LrilwgH-L/view?usp=sharing
Support 32bit Windows applications
When I try to Start I get %1 is not a valid Win32 application. error. The calling process is 32bit, I believe the DLL shipped by default is 64bit.
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