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// Copyright 2021 Northern.tech AS
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package shell
import (
"os"
"os/user"
"strconv"
"syscall"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/mendersoftware/mender-connect/procps"
)
func TestMenderShellExecShell(t *testing.T) {
currentUser, err := user.Current()
if err != nil {
t.Errorf("cant get current user: %s", err.Error())
return
}
uid, err := strconv.ParseUint(currentUser.Uid, 10, 32)
if err != nil {
t.Errorf("cant get current uid: %s", err.Error())
return
}
gid, err := strconv.ParseUint(currentUser.Gid, 10, 32)
if err != nil {
t.Errorf("cant get current gid: %s", err.Error())
return
}
//command does not exist
pid, pseudoTTY, cmd, err := ExecuteShell(uint32(uid), uint32(gid), "/", "thatissomethingthatdoesnotexecute", "xterm-256color", 24, 80, []string{"--login"})
assert.Error(t, err)
assert.Equal(t, pid, -1)
assert.Nil(t, pseudoTTY)
assert.Nil(t, cmd)
//home directory doesn't exist
pid, pseudoTTY, cmd, err = ExecuteShell(uint32(uid), uint32(gid), "/does-not-exist", "true", "xterm-256color", 24, 80, []string{"--login"})
assert.Nil(t, err)
assert.NotZero(t, pid)
assert.NotNil(t, pseudoTTY)
assert.Equal(t, "/", cmd.Dir)
// Empty ShellArguments
pid, pseudoTTY, cmd, err = ExecuteShell(uint32(uid), uint32(gid), "/", "thatissomethingthatdoesnotexecute", "xterm-256color", 24, 80, []string{""})
assert.Error(t, err)
assert.Equal(t, pid, -1)
assert.Nil(t, pseudoTTY)
assert.Nil(t, cmd)
// Bogus ShellArguments
pid, pseudoTTY, cmd, err = ExecuteShell(uint32(uid), uint32(gid), "/", "thatissomethingthatdoesnotexecute", "xterm-256color", 24, 80, []string{"--i-do-not-exist-flag"})
assert.Error(t, err)
assert.Equal(t, pid, -1)
assert.Nil(t, pseudoTTY)
assert.Nil(t, cmd)
//shell
pid, pseudoTTY, cmd, err = ExecuteShell(uint32(uid), uint32(gid), "/tmp", "/bin/sh", "xterm-256color", 24, 80, []string{"--login"})
assert.Nil(t, err)
assert.NotZero(t, pid)
assert.NotNil(t, pseudoTTY)
assert.Equal(t, "/tmp", cmd.Dir)
t.Logf("started shell, pid: %d", pid)
p, err := os.FindProcess(pid)
t.Logf("FindProcess p: %v err: %v", p, err)
assert.Nil(t, err)
assert.NotNil(t, p)
p.Signal(syscall.SIGHUP)
time.Sleep(time.Second)
pseudoTTY.Close()
p.Signal(syscall.SIGTERM)
time.Sleep(time.Second)
err = p.Signal(syscall.SIGKILL)
time.Sleep(time.Second)
done := make(chan error, 1)
go func() {
done <- cmd.Wait()
}()
select {
case err := <-done:
if err != nil {
}
}
time.Sleep(time.Second)
if procps.ProcessExists(pid) {
t.Logf("process is still running after kill -9")
}
}
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