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diff --git a/pkg/pssh/server_test.go b/pkg/pssh/server_test.go
index 0fa6f5e..5929cc8 100644
--- a/pkg/pssh/server_test.go
+++ b/pkg/pssh/server_test.go
@@ -2,13 +2,19 @@ package pssh_test
import (
"context"
+ "crypto/rand"
"errors"
+ "io"
"log/slog"
"net"
+ "slices"
+ "strings"
"testing"
"time"
"github.com/picosh/pico/pkg/pssh"
+ "github.com/picosh/pico/pkg/shared"
+ "golang.org/x/crypto/ed25519"
"golang.org/x/crypto/ssh"
)
@@ -275,3 +281,174 @@ func TestSSHServerConnHandle(t *testing.T) {
t.Error("Handle did not return after context canceled")
}
}
+
+func TestSSHServerCommandParsing(t *testing.T) {
+ ctx, cancel := context.WithCancel(context.Background())
+ defer cancel()
+
+ logger := slog.Default()
+ var capturedCommand []string
+
+ user := GenerateKey()
+
+ server := pssh.NewSSHServer(ctx, logger, &pssh.SSHServerConfig{
+ ListenAddr: "localhost:2222",
+ Middleware: []pssh.SSHServerMiddleware{
+ func(next pssh.SSHServerHandler) pssh.SSHServerHandler {
+ return func(sesh *pssh.SSHServerConnSession) error {
+ capturedCommand = sesh.Command()
+ return next(sesh)
+ }
+ },
+ },
+ ServerConfig: &ssh.ServerConfig{
+ NoClientAuth: true,
+ NoClientAuthCallback: func(ssh.ConnMetadata) (*ssh.Permissions, error) {
+ return &ssh.Permissions{
+ Extensions: map[string]string{
+ "pubkey": shared.KeyForKeyText(user.signer.PublicKey()),
+ },
+ }, nil
+ },
+ },
+ })
+ server.Config.AddHostKey(user.signer)
+
+ // Start server in a goroutine
+ errChan := make(chan error, 1)
+ go func() {
+ err := server.ListenAndServe()
+ errChan <- err
+ }()
+
+ // Wait a bit for the server to start
+ time.Sleep(100 * time.Millisecond)
+
+ // Send command to server
+ user.MustCmd(nil, "accept --comment 'here we go' 101")
+
+ time.Sleep(1000 * time.Millisecond)
+
+ expectedCommand := []string{"accept", "--comment", "'here we go'", "101"}
+ if !slices.Equal(expectedCommand, capturedCommand) {
+ t.Error("command not exected", capturedCommand, len(capturedCommand), expectedCommand, len(expectedCommand))
+ }
+
+ // Trigger cancellation to stop the server
+ cancel()
+
+ // Wait for server to stop
+ select {
+ case err := <-errChan:
+ if err != nil && !errors.Is(err, net.ErrClosed) {
+ t.Errorf("unexpected error: %v", err)
+ }
+ case <-time.After(2 * time.Second):
+ t.Error("server did not shut down in time")
+ }
+}
+
+type UserSSH struct {
+ username string
+ signer ssh.Signer
+}
+
+func NewUserSSH(username string, signer ssh.Signer) *UserSSH {
+ return &UserSSH{
+ username: username,
+ signer: signer,
+ }
+}
+
+func (s UserSSH) Public() string {
+ pubkey := s.signer.PublicKey()
+ return string(ssh.MarshalAuthorizedKey(pubkey))
+}
+
+func (s UserSSH) MustCmd(patch []byte, cmd string) string {
+ res, err := s.Cmd(patch, cmd)
+ if err != nil {
+ panic(err)
+ }
+ return res
+}
+
+func (s UserSSH) Cmd(patch []byte, cmd string) (string, error) {
+ host := "localhost:2222"
+
+ config := &ssh.ClientConfig{
+ User: s.username,
+ Auth: []ssh.AuthMethod{
+ ssh.PublicKeys(s.signer),
+ },
+ HostKeyCallback: ssh.InsecureIgnoreHostKey(),
+ }
+
+ client, err := ssh.Dial("tcp", host, config)
+ if err != nil {
+ return "", err
+ }
+ defer func() {
+ _ = client.Close()
+ }()
+
+ session, err := client.NewSession()
+ if err != nil {
+ return "", err
+ }
+ defer func() {
+ _ = session.Close()
+ }()
+
+ stdinPipe, err := session.StdinPipe()
+ if err != nil {
+ return "", err
+ }
+
+ stdoutPipe, err := session.StdoutPipe()
+ if err != nil {
+ return "", err
+ }
+
+ if err := session.Start(cmd); err != nil {
+ return "", err
+ }
+
+ if patch != nil {
+ _, err = stdinPipe.Write(patch)
+ if err != nil {
+ return "", err
+ }
+ }
+
+ _ = stdinPipe.Close()
+
+ if err := session.Wait(); err != nil {
+ return "", err
+ }
+
+ buf := new(strings.Builder)
+ _, err = io.Copy(buf, stdoutPipe)
+ if err != nil {
+ return "", err
+ }
+
+ return buf.String(), nil
+}
+
+func GenerateKey() UserSSH {
+ _, userKey, err := ed25519.GenerateKey(rand.Reader)
+ if err != nil {
+ panic(err)
+ }
+
+ userSigner, err := ssh.NewSignerFromKey(userKey)
+ if err != nil {
+ panic(err)
+ }
+
+ return UserSSH{
+ username: "user",
+ signer: userSigner,
+ }
+}
|