From a8cd12d55a5d87a02771707a91c9af3952247513 Mon Sep 17 00:00:00 2001 From: MrMelon54 Date: Sun, 14 Jan 2024 20:46:32 +0000 Subject: [PATCH] First commit --- .gitignore | 1 + cmd/qpty/main.go | 53 ++++++++++++++++++ go.mod | 32 +++++++++++ go.sum | 143 +++++++++++++++++++++++++++++++++++++++++++++++ qpty.go | 95 +++++++++++++++++++++++++++++++ 5 files changed, 324 insertions(+) create mode 100644 .gitignore create mode 100644 cmd/qpty/main.go create mode 100644 go.mod create mode 100644 go.sum create mode 100644 qpty.go diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..9f11b75 --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +.idea/ diff --git a/cmd/qpty/main.go b/cmd/qpty/main.go new file mode 100644 index 0000000..e5d4078 --- /dev/null +++ b/cmd/qpty/main.go @@ -0,0 +1,53 @@ +package main + +import ( + "flag" + "github.com/1f349/qpty" + "github.com/creack/pty" + docker "github.com/fsouza/go-dockerclient" + "log" + "time" +) + +var dockerPath string +var containerId string +var shell string +var cmd string + +func main() { + flag.StringVar(&dockerPath, "docker", "unix:///var/run/docker.sock", "docker endpoint") + flag.StringVar(&containerId, "container", "", "container id") + flag.StringVar(&shell, "shell", "/bin/sh", "shell path") + flag.StringVar(&cmd, "cmd", "uptime", "command to execute") + flag.Parse() + + client, err := docker.NewClient(dockerPath) + if err != nil { + log.Fatal(err) + } + machine := qpty.New(client, containerId) + if err != nil { + log.Fatal(err) + } + exec, err := machine.Exec(&pty.Winsize{Rows: 14, Cols: 11}) + if err != nil { + return + } + + go func() { + time.Sleep(5 * time.Second) + milliType(exec, []byte(cmd+"\n"), 500*time.Millisecond) + }() + + err = exec.Run(shell) + if err != nil { + log.Fatal(err) + } +} + +func milliType(exec *qpty.Exec, p []byte, gap time.Duration) { + for _, i := range p { + exec.Send([]byte{i}) + time.Sleep(gap) + } +} diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..875c8b8 --- /dev/null +++ b/go.mod @@ -0,0 +1,32 @@ +module github.com/1f349/qpty + +go 1.21.6 + +require ( + github.com/creack/pty v1.1.18 + github.com/fsouza/go-dockerclient v1.10.1 +) + +require ( + github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect + github.com/Microsoft/go-winio v0.6.1 // indirect + github.com/containerd/containerd v1.6.26 // indirect + github.com/docker/docker v24.0.7+incompatible // indirect + github.com/docker/go-connections v0.5.0 // indirect + github.com/docker/go-units v0.5.0 // indirect + github.com/gogo/protobuf v1.3.2 // indirect + github.com/klauspost/compress v1.15.9 // indirect + github.com/moby/patternmatcher v0.6.0 // indirect + github.com/moby/sys/sequential v0.5.0 // indirect + github.com/moby/term v0.5.0 // indirect + github.com/morikuni/aec v1.0.0 // indirect + github.com/opencontainers/go-digest v1.0.0 // indirect + github.com/opencontainers/image-spec v1.1.0-rc2.0.20221005185240-3a7f492d3f1b // indirect + github.com/opencontainers/runc v1.1.5 // indirect + github.com/pkg/errors v0.9.1 // indirect + github.com/sirupsen/logrus v1.9.3 // indirect + golang.org/x/mod v0.14.0 // indirect + golang.org/x/sys v0.16.0 // indirect + golang.org/x/tools v0.17.0 // indirect + gotest.tools/v3 v3.5.1 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..4c54543 --- /dev/null +++ b/go.sum @@ -0,0 +1,143 @@ +github.com/AdaLogics/go-fuzz-headers v0.0.0-20210715213245-6c3934b029d8 h1:V8krnnfGj4pV65YLUm3C0/8bl7V5Nry2Pwvy3ru/wLc= +github.com/AdaLogics/go-fuzz-headers v0.0.0-20210715213245-6c3934b029d8/go.mod h1:CzsSbkDixRphAF5hS6wbMKq0eI6ccJRb7/A0M6JBnwg= +github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 h1:UQHMgLO+TxOElx5B5HZ4hJQsoJ/PvUvKRhJHDQXO8P8= +github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E= +github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= 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v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= +gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +gotest.tools/v3 v3.5.1 h1:EENdUnS3pdur5nybKYIh2Vfgc8IUNBjxDPSjtiJcOzU= +gotest.tools/v3 v3.5.1/go.mod h1:isy3WKz7GK6uNw/sbHzfKBLvlvXwUyV06n6brMxxopU= diff --git a/qpty.go b/qpty.go new file mode 100644 index 0000000..3440616 --- /dev/null +++ b/qpty.go @@ -0,0 +1,95 @@ +package qpty + +import ( + "context" + "encoding/hex" + "github.com/creack/pty" + "github.com/fsouza/go-dockerclient" + "io" + "os" +) + +type Qpty struct { + dock *docker.Client + container string +} + +func New(client *docker.Client, container string) *Qpty { + return &Qpty{ + dock: client, + container: container, + } +} + +func (q *Qpty) Exec(size *pty.Winsize) (*Exec, error) { + iPty, _, err := pty.Open() + if err != nil { + return nil, err + } + e := &Exec{ + q: q, + pty: iPty, + } + if err := e.SetSize(size); err != nil { + return nil, err + } + + e.ir, e.iw = io.Pipe() + e.or, e.ow = io.Pipe() + + return e, nil +} + +type Exec struct { + q *Qpty + pty *os.File + ir, or *io.PipeReader + iw, ow *io.PipeWriter +} + +func (e *Exec) Pty() *os.File { + return e.pty +} + +func (e *Exec) SetSize(winsize *pty.Winsize) error { + return pty.Setsize(e.pty, winsize) +} + +func (e *Exec) Send(p []byte) (int, error) { + return e.iw.Write(p) +} + +func (e *Exec) Run(shell string) error { + execInst, err := e.q.dock.CreateExec(docker.CreateExecOptions{ + Cmd: []string{shell}, + Container: e.q.container, + User: "root", + WorkingDir: "/", + Context: context.Background(), + AttachStdin: true, + AttachStdout: true, + Tty: true, + }) + if err != nil { + return err + } + + go func() { + _, _ = io.Copy(e.pty, e.or) + }() + + go func() { + r, w := io.Pipe() + go io.Copy(hex.NewEncoder(w), e.pty) + io.Copy(os.Stdout, r) + }() + + return e.q.dock.StartExec(execInst.ID, docker.StartExecOptions{ + InputStream: e.ir, + OutputStream: e.ow, + ErrorStream: nil, + Tty: true, + RawTerminal: true, + Context: context.Background(), + }) +}