Files
netbird/client/cmd/ssh_test.go
2025-07-02 19:34:36 +02:00

343 lines
9.0 KiB
Go

package cmd
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestSSHCommand_FlagParsing(t *testing.T) {
tests := []struct {
name string
args []string
expectedHost string
expectedUser string
expectedPort int
expectedCmd string
expectError bool
}{
{
name: "basic host",
args: []string{"hostname"},
expectedHost: "hostname",
expectedUser: "",
expectedPort: 22022,
expectedCmd: "",
},
{
name: "user@host format",
args: []string{"user@hostname"},
expectedHost: "hostname",
expectedUser: "user",
expectedPort: 22022,
expectedCmd: "",
},
{
name: "host with command",
args: []string{"hostname", "echo", "hello"},
expectedHost: "hostname",
expectedUser: "",
expectedPort: 22022,
expectedCmd: "echo hello",
},
{
name: "command with flags should be preserved",
args: []string{"hostname", "ls", "-la", "/tmp"},
expectedHost: "hostname",
expectedUser: "",
expectedPort: 22022,
expectedCmd: "ls -la /tmp",
},
{
name: "double dash separator",
args: []string{"hostname", "--", "ls", "-la"},
expectedHost: "hostname",
expectedUser: "",
expectedPort: 22022,
expectedCmd: "-- ls -la",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Reset global variables
host = ""
username = ""
port = 22022
command = ""
// Mock command for testing
cmd := sshCmd
cmd.SetArgs(tt.args)
err := validateSSHArgsWithoutFlagParsing(cmd, tt.args)
if tt.expectError {
assert.Error(t, err)
return
}
require.NoError(t, err)
assert.Equal(t, tt.expectedHost, host, "host mismatch")
if tt.expectedUser != "" {
assert.Equal(t, tt.expectedUser, username, "username mismatch")
}
assert.Equal(t, tt.expectedPort, port, "port mismatch")
assert.Equal(t, tt.expectedCmd, command, "command mismatch")
})
}
}
func TestSSHCommand_FlagConflictPrevention(t *testing.T) {
// Test that SSH flags don't conflict with command flags
tests := []struct {
name string
args []string
expectedCmd string
description string
}{
{
name: "ls with -la flags",
args: []string{"hostname", "ls", "-la"},
expectedCmd: "ls -la",
description: "ls flags should be passed to remote command",
},
{
name: "grep with -r flag",
args: []string{"hostname", "grep", "-r", "pattern", "/path"},
expectedCmd: "grep -r pattern /path",
description: "grep flags should be passed to remote command",
},
{
name: "ps with aux flags",
args: []string{"hostname", "ps", "aux"},
expectedCmd: "ps aux",
description: "ps flags should be passed to remote command",
},
{
name: "command with double dash",
args: []string{"hostname", "--", "ls", "-la"},
expectedCmd: "-- ls -la",
description: "double dash should be preserved in command",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Reset global variables
host = ""
username = ""
port = 22022
command = ""
cmd := sshCmd
err := validateSSHArgsWithoutFlagParsing(cmd, tt.args)
require.NoError(t, err)
assert.Equal(t, tt.expectedCmd, command, tt.description)
})
}
}
func TestSSHCommand_NonInteractiveExecution(t *testing.T) {
// Test that commands with arguments should execute the command and exit,
// not drop to an interactive shell
tests := []struct {
name string
args []string
expectedCmd string
shouldExit bool
description string
}{
{
name: "ls command should execute and exit",
args: []string{"hostname", "ls"},
expectedCmd: "ls",
shouldExit: true,
description: "ls command should execute and exit, not drop to shell",
},
{
name: "ls with flags should execute and exit",
args: []string{"hostname", "ls", "-la"},
expectedCmd: "ls -la",
shouldExit: true,
description: "ls with flags should execute and exit, not drop to shell",
},
{
name: "pwd command should execute and exit",
args: []string{"hostname", "pwd"},
expectedCmd: "pwd",
shouldExit: true,
description: "pwd command should execute and exit, not drop to shell",
},
{
name: "echo command should execute and exit",
args: []string{"hostname", "echo", "hello"},
expectedCmd: "echo hello",
shouldExit: true,
description: "echo command should execute and exit, not drop to shell",
},
{
name: "no command should open shell",
args: []string{"hostname"},
expectedCmd: "",
shouldExit: false,
description: "no command should open interactive shell",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Reset global variables
host = ""
username = ""
port = 22022
command = ""
cmd := sshCmd
err := validateSSHArgsWithoutFlagParsing(cmd, tt.args)
require.NoError(t, err)
assert.Equal(t, tt.expectedCmd, command, tt.description)
// When command is present, it should execute the command and exit
// When command is empty, it should open interactive shell
hasCommand := command != ""
assert.Equal(t, tt.shouldExit, hasCommand, "Command presence should match expected behavior")
})
}
}
func TestSSHCommand_FlagHandling(t *testing.T) {
// Test that flags after hostname are not parsed by netbird but passed to SSH command
tests := []struct {
name string
args []string
expectedHost string
expectedCmd string
expectError bool
description string
}{
{
name: "ls with -la flag should not be parsed by netbird",
args: []string{"debian2", "ls", "-la"},
expectedHost: "debian2",
expectedCmd: "ls -la",
expectError: false,
description: "ls -la should be passed as SSH command, not parsed as netbird flags",
},
{
name: "command with netbird-like flags should be passed through",
args: []string{"hostname", "echo", "--help"},
expectedHost: "hostname",
expectedCmd: "echo --help",
expectError: false,
description: "--help should be passed to echo, not parsed by netbird",
},
{
name: "command with -p flag should not conflict with SSH port flag",
args: []string{"hostname", "ps", "-p", "1234"},
expectedHost: "hostname",
expectedCmd: "ps -p 1234",
expectError: false,
description: "ps -p should be passed to ps command, not parsed as port",
},
{
name: "tar with flags should be passed through",
args: []string{"hostname", "tar", "-czf", "backup.tar.gz", "/home"},
expectedHost: "hostname",
expectedCmd: "tar -czf backup.tar.gz /home",
expectError: false,
description: "tar flags should be passed to tar command",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Reset global variables
host = ""
username = ""
port = 22022
command = ""
cmd := sshCmd
err := validateSSHArgsWithoutFlagParsing(cmd, tt.args)
if tt.expectError {
assert.Error(t, err)
return
}
require.NoError(t, err)
assert.Equal(t, tt.expectedHost, host, "host mismatch")
assert.Equal(t, tt.expectedCmd, command, tt.description)
})
}
}
func TestSSHCommand_RegressionFlagParsing(t *testing.T) {
// Regression test for the specific issue: "sudo ./netbird ssh debian2 ls -la"
// should not parse -la as netbird flags but pass them to the SSH command
tests := []struct {
name string
args []string
expectedHost string
expectedCmd string
expectError bool
description string
}{
{
name: "original issue: ls -la should be preserved",
args: []string{"debian2", "ls", "-la"},
expectedHost: "debian2",
expectedCmd: "ls -la",
expectError: false,
description: "The original failing case should now work",
},
{
name: "ls -l should be preserved",
args: []string{"hostname", "ls", "-l"},
expectedHost: "hostname",
expectedCmd: "ls -l",
expectError: false,
description: "Single letter flags should be preserved",
},
{
name: "SSH port flag should work",
args: []string{"-p", "2222", "hostname", "ls", "-la"},
expectedHost: "hostname",
expectedCmd: "ls -la",
expectError: false,
description: "SSH -p flag should be parsed, command flags preserved",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Reset global variables
host = ""
username = ""
port = 22022
command = ""
cmd := sshCmd
err := validateSSHArgsWithoutFlagParsing(cmd, tt.args)
if tt.expectError {
assert.Error(t, err)
return
}
require.NoError(t, err)
assert.Equal(t, tt.expectedHost, host, "host mismatch")
assert.Equal(t, tt.expectedCmd, command, tt.description)
// Check port for the test case with -p flag
if len(tt.args) > 0 && tt.args[0] == "-p" {
assert.Equal(t, 2222, port, "port should be parsed from -p flag")
}
})
}
}