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-rw-r--r--cli_lolcat/go.mod8
-rw-r--r--cli_lolcat/go.sum5
-rw-r--r--cli_lolcat/hello.go38
-rw-r--r--sock2file/go.mod3
-rw-r--r--sock2file/sock2file.go40
-rw-r--r--termshare/.gitignore1
-rw-r--r--termshare/README.md32
-rw-r--r--termshare/cmd/daemon.go25
-rw-r--r--termshare/cmd/root.go16
-rw-r--r--termshare/cmd/version.go24
-rw-r--r--termshare/go.mod11
-rw-r--r--termshare/go.sum295
-rw-r--r--termshare/internal/client.go_86
-rw-r--r--termshare/internal/daemon/daemon.go56
-rw-r--r--termshare/internal/forwarder.go_37
-rw-r--r--termshare/main.go64
16 files changed, 741 insertions, 0 deletions
diff --git a/cli_lolcat/go.mod b/cli_lolcat/go.mod
new file mode 100644
index 0000000..5f0c3bf
--- /dev/null
+++ b/cli_lolcat/go.mod
@@ -0,0 +1,8 @@
+module hello
+
+go 1.15
+
+require (
+ rsc.io/quote v1.5.2
+ syreclabs.com/go/faker v1.2.3
+)
diff --git a/cli_lolcat/go.sum b/cli_lolcat/go.sum
new file mode 100644
index 0000000..ab09410
--- /dev/null
+++ b/cli_lolcat/go.sum
@@ -0,0 +1,5 @@
+golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+rsc.io/quote v1.5.2/go.mod h1:LzX7hefJvL54yjefDEDHNONDjII0t9xZLPXsUe+TKr0=
+rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
+syreclabs.com/go/faker v1.2.3 h1:HPrWtnHazIf0/bVuPZJLFrtHlBHk10hS0SB+mV8v6R4=
+syreclabs.com/go/faker v1.2.3/go.mod h1:NAXInmkPsC2xuO5MKZFe80PUXX5LU8cFdJIHGs+nSBE=
diff --git a/cli_lolcat/hello.go b/cli_lolcat/hello.go
new file mode 100644
index 0000000..1a46da8
--- /dev/null
+++ b/cli_lolcat/hello.go
@@ -0,0 +1,38 @@
+package main
+
+import (
+ "bufio"
+ "fmt"
+ "io"
+ "math"
+ "os"
+)
+
+func rgb(i int) (int, int, int) {
+ var f = 0.1
+ return int(math.Sin(f*float64(i)+0)*127 + 128),
+ int(math.Sin(f*float64(i)+2*math.Pi/3)*127 + 128),
+ int(math.Sin(f*float64(i)+4*math.Pi/3)*127 + 128)
+}
+
+
+func main() {
+ info, _ := os.Stdin.Stat()
+
+ if info.Mode()&os.ModeCharDevice != 0 {
+ fmt.Println("The command is intended to work with pipes.")
+ fmt.Println("Usage: command | gorainbow")
+ }
+
+ reader := bufio.NewReader(os.Stdin)
+ j := 0
+ for {
+ input, _, err := reader.ReadRune()
+ if err != nil && err == io.EOF {
+ break
+ }
+ r, g, b := rgb(j)
+ fmt.Printf("\033[38;2;%d;%d;%dm%c\033[0m", r, g, b, input)
+ j++
+ }
+}
diff --git a/sock2file/go.mod b/sock2file/go.mod
new file mode 100644
index 0000000..01aa5e2
--- /dev/null
+++ b/sock2file/go.mod
@@ -0,0 +1,3 @@
+module sock2file
+
+go 1.15
diff --git a/sock2file/sock2file.go b/sock2file/sock2file.go
new file mode 100644
index 0000000..3443442
--- /dev/null
+++ b/sock2file/sock2file.go
@@ -0,0 +1,40 @@
+package main
+
+import (
+ "fmt"
+ "net"
+ "time"
+ "os"
+ "bufio"
+)
+
+func main() {
+ ln, _ := net.Listen("tcp", ":8000")
+ file, _ := os.Create("./test.logs")
+ writer := bufio.NewWriter(file)
+
+ for {
+ conn, _ := ln.Accept()
+ conn.SetReadDeadline(time.Now().Add(time.Second))
+ recvData := make([]byte, 1024)
+ n, err := conn.Read(recvData)
+ if n > 0 {
+ fmt.Println("Data Received")
+ mystring := string(recvData[:])
+ fmt.Println(mystring)
+ written, err := writer.WriteString(mystring)
+ if err != nil {
+ fmt.Printf("Error %s", err)
+ }
+ fmt.Printf("Written: %d\n", written)
+ fmt.Printf("Available: %d\n", writer.Available())
+ fmt.Printf("Buffered : %d\n", writer.Buffered())
+ }
+ if e, ok := err.(interface{ Timeout() bool }); ok && e.Timeout() {
+ fmt.Println("Timeout")
+ } else if err != nil {
+ fmt.Println("Error")
+ }
+ conn.Close()
+ }
+}
diff --git a/termshare/.gitignore b/termshare/.gitignore
new file mode 100644
index 0000000..23034d9
--- /dev/null
+++ b/termshare/.gitignore
@@ -0,0 +1 @@
+termshare
diff --git a/termshare/README.md b/termshare/README.md
new file mode 100644
index 0000000..9d62c0a
--- /dev/null
+++ b/termshare/README.md
@@ -0,0 +1,32 @@
+# Server
+
+Simple server works and can give us a bash session
+
+# Remote forward
+
+```bash
+# Server
+python -m http.server 8001
+./termshare
+# Attempt to bind to localhost 8000 granted
+
+# Client
+ssh -R 8000:localhost:8001 root@127.0.0.1 -p 2222
+curl 127.0.0.1:8000
+# See the python listing
+
+
+# Build
+go build
+```
+
+# Todo:
+
+- Build a very small client that can connect to the host
+
+
+# Fixed:
+
+- Importing the function from the internal library is not working
+ * exported names need to start with a Captial
+- How to pass arguments to command function?
diff --git a/termshare/cmd/daemon.go b/termshare/cmd/daemon.go
new file mode 100644
index 0000000..3ae3f39
--- /dev/null
+++ b/termshare/cmd/daemon.go
@@ -0,0 +1,25 @@
+package cmd
+
+import (
+ "termshare/internal/daemon"
+
+ "github.com/spf13/cobra"
+)
+
+var (
+ flagPort string
+)
+
+func init() {
+ cmd := &cobra.Command{
+ Use: "daemon",
+ Short: "Run the daemon command",
+ Long: "run the daemon command",
+ Run: func(cmd *cobra.Command, args []string) {
+ daemon.RunDaemon(flagPort)
+ },
+ }
+ cmd.PersistentFlags().StringVarP(&flagPort, "port", "", "8080", "The port the daemon should listen to")
+ rootCmd.AddCommand(cmd)
+}
+
diff --git a/termshare/cmd/root.go b/termshare/cmd/root.go
new file mode 100644
index 0000000..848dac7
--- /dev/null
+++ b/termshare/cmd/root.go
@@ -0,0 +1,16 @@
+package cmd
+
+import (
+ "github.com/spf13/cobra"
+)
+
+var rootCmd = &cobra.Command{
+ Use: "Termshare",
+ Short: "A terminal sharing application",
+ Long: "A super fun time application to share terminals",
+}
+
+// Execute executes the root command.
+func Execute() error {
+ return rootCmd.Execute()
+}
diff --git a/termshare/cmd/version.go b/termshare/cmd/version.go
new file mode 100644
index 0000000..bc529cc
--- /dev/null
+++ b/termshare/cmd/version.go
@@ -0,0 +1,24 @@
+package cmd
+
+import (
+ "fmt"
+
+ "github.com/spf13/cobra"
+)
+
+func init() {
+ rootCmd.AddCommand(versionCmd)
+}
+
+func run(cmd *cobra.Command, args []string) {
+ fmt.Println("0.0.1")
+}
+
+var versionCmd = &cobra.Command{
+ Use: "version",
+ Short: "Print the version of termshare",
+ Long: "This is the version of the termshare command",
+ Run: func(cmd *cobra.Command, args []string) {
+ fmt.Println("0.0.1")
+ },
+}
diff --git a/termshare/go.mod b/termshare/go.mod
new file mode 100644
index 0000000..ccb4c3e
--- /dev/null
+++ b/termshare/go.mod
@@ -0,0 +1,11 @@
+module termshare
+
+go 1.15
+
+require (
+ github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be // indirect
+ github.com/creack/pty v1.1.11
+ github.com/gliderlabs/ssh v0.3.2
+ github.com/spf13/cobra v1.1.3
+ golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83
+)
diff --git a/termshare/go.sum b/termshare/go.sum
new file mode 100644
index 0000000..a5bb578
--- /dev/null
+++ b/termshare/go.sum
@@ -0,0 +1,295 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
+cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
+cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
+cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
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+cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
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diff --git a/termshare/internal/client.go_ b/termshare/internal/client.go_
new file mode 100644
index 0000000..1845a15
--- /dev/null
+++ b/termshare/internal/client.go_
@@ -0,0 +1,86 @@
+package main
+
+import (
+ "fmt"
+ "golang.org/x/crypto/ssh"
+ "log"
+ "os"
+ // Uncomment to store output in variable
+ //"bytes"
+)
+
+func main() {
+
+ username := "root"
+ password := ""
+ hostname := "127.0.0.1"
+ port := "2222"
+
+ // SSH client config
+ config := &ssh.ClientConfig{
+ User: username,
+ Auth: []ssh.AuthMethod{
+ ssh.Password(password),
+ },
+ // Non-production only
+ HostKeyCallback: ssh.InsecureIgnoreHostKey(),
+ }
+
+ // Connect to host
+ client, err := ssh.Dial("tcp", hostname+":"+port, config)
+ if err != nil {
+ log.Fatal(err)
+ }
+ defer client.Close()
+
+ // Create sesssion
+ sess, err := client.NewSession()
+ if err != nil {
+ log.Fatal("Failed to create session: ", err)
+ }
+ defer sess.Close()
+
+ // StdinPipe for commands
+ stdin, err := sess.StdinPipe()
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ // Uncomment to store output in variable
+ //var b bytes.Buffer
+ //sess.Stdout = &b
+ //sess.Stderr = &b
+
+ // Enable system stdout
+ // Comment these if you uncomment to store in variable
+ sess.Stdout = os.Stdout
+ sess.Stderr = os.Stderr
+
+ // Start remote shell
+ err = sess.Shell()
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ // send the commands
+ commands := []string{
+ "whoami",
+ "exit",
+ }
+ for _, cmd := range commands {
+ _, err = fmt.Fprintf(stdin, "%s\n", cmd)
+ if err != nil {
+ log.Fatal(err)
+ }
+ }
+
+ // Wait for sess to finish
+ err = sess.Wait()
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ // Uncomment to store in variable
+ //fmt.Println(b.String())
+
+}
diff --git a/termshare/internal/daemon/daemon.go b/termshare/internal/daemon/daemon.go
new file mode 100644
index 0000000..465cdff
--- /dev/null
+++ b/termshare/internal/daemon/daemon.go
@@ -0,0 +1,56 @@
+package daemon
+
+import (
+ "fmt"
+ "bufio"
+ "io"
+ "log"
+ "os"
+ "os/exec"
+ "syscall"
+ "strconv"
+ "unsafe"
+
+ "github.com/gliderlabs/ssh"
+ "github.com/creack/pty"
+)
+
+func setWinsize(f *os.File, w, h int) {
+ syscall.Syscall(syscall.SYS_IOCTL, f.Fd(), uintptr(syscall.TIOCSWINSZ),
+ uintptr(unsafe.Pointer(&struct{ h, w, x, y uint16 }{uint16(h), uint16(w), 0, 0})))
+}
+
+func RunDaemon(port string) {
+ ssh.Handle(func(s ssh.Session) {
+ cmd := exec.Command("bash")
+ ptyReq, winCh, isPty := s.Pty()
+ if isPty {
+ cmd.Env = append(cmd.Env, fmt.Sprintf("TERM=%s", ptyReq.Term))
+ f, err := pty.Start(cmd)
+ if err != nil {
+ panic(err)
+ }
+ go func() {
+ for win := range winCh {
+ setWinsize(f, win.Width, win.Height)
+ }
+ }()
+ go func() {
+ io.Copy(f, s) // stdin
+ }()
+ io.Copy(s, f) // stdout
+ cmd.Wait()
+ } else {
+ io.WriteString(s, "No PTY requested.\n")
+ reader := bufio.NewReader(s)
+ for {
+ input, _, _ := reader.ReadRune()
+ io.WriteString(os.Stdout, strconv.QuoteRune(input))
+ }
+ s.Exit(1)
+ }
+ })
+
+ log.Println("starting ssh server on port " + port + " ...")
+ log.Fatal(ssh.ListenAndServe(":" + port, nil))
+}
diff --git a/termshare/internal/forwarder.go_ b/termshare/internal/forwarder.go_
new file mode 100644
index 0000000..2ce866f
--- /dev/null
+++ b/termshare/internal/forwarder.go_
@@ -0,0 +1,37 @@
+package main
+
+import (
+ "io"
+ "log"
+
+ "github.com/gliderlabs/ssh"
+)
+
+func main() {
+
+ log.Println("starting ssh server on port 2222...")
+
+ forwardHandler := &ssh.ForwardedTCPHandler{}
+
+ server := ssh.Server{
+ LocalPortForwardingCallback: ssh.LocalPortForwardingCallback(func(ctx ssh.Context, dhost string, dport uint32) bool {
+ log.Println("Accepted forward", dhost, dport)
+ return true
+ }),
+ Addr: ":2222",
+ Handler: ssh.Handler(func(s ssh.Session) {
+ io.WriteString(s, "Remote forwarding available...\n")
+ select {}
+ }),
+ ReversePortForwardingCallback: ssh.ReversePortForwardingCallback(func(ctx ssh.Context, host string, port uint32) bool {
+ log.Println("attempt to bind", host, port, "granted")
+ return true
+ }),
+ RequestHandlers: map[string]ssh.RequestHandler{
+ "tcpip-forward": forwardHandler.HandleSSHRequest,
+ "cancel-tcpip-forward": forwardHandler.HandleSSHRequest,
+ },
+ }
+
+ log.Fatal(server.ListenAndServe())
+}
diff --git a/termshare/main.go b/termshare/main.go
new file mode 100644
index 0000000..600e8b1
--- /dev/null
+++ b/termshare/main.go
@@ -0,0 +1,64 @@
+package main
+
+import (
+ "termshare/cmd"
+)
+
+func main() {
+ cmd.Execute()
+}
+
+// import (
+// "fmt"
+// "bufio"
+// "io"
+// "log"
+// "os"
+// "os/exec"
+// "syscall"
+// "strconv"
+// "unsafe"
+
+// "github.com/gliderlabs/ssh"
+// "github.com/creack/pty"
+// )
+
+// func setWinsize(f *os.File, w, h int) {
+// syscall.Syscall(syscall.SYS_IOCTL, f.Fd(), uintptr(syscall.TIOCSWINSZ),
+// uintptr(unsafe.Pointer(&struct{ h, w, x, y uint16 }{uint16(h), uint16(w), 0, 0})))
+// }
+
+// func main() {
+// ssh.Handle(func(s ssh.Session) {
+// cmd := exec.Command("bash")
+// ptyReq, winCh, isPty := s.Pty()
+// if isPty {
+// cmd.Env = append(cmd.Env, fmt.Sprintf("TERM=%s", ptyReq.Term))
+// f, err := pty.Start(cmd)
+// if err != nil {
+// panic(err)
+// }
+// go func() {
+// for win := range winCh {
+// setWinsize(f, win.Width, win.Height)
+// }
+// }()
+// go func() {
+// io.Copy(f, s) // stdin
+// }()
+// io.Copy(s, f) // stdout
+// cmd.Wait()
+// } else {
+// io.WriteString(s, "No PTY requested.\n")
+// reader := bufio.NewReader(s)
+// for {
+// input, _, _ := reader.ReadRune()
+// io.WriteString(os.Stdout, strconv.QuoteRune(input))
+// }
+// s.Exit(1)
+// }
+// })
+
+// log.Println("starting ssh server on port 2222...")
+// log.Fatal(ssh.ListenAndServe(":2222", nil))
+// }
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 13:21:23 +0000