Ophestra Umiker
4b7d616862
Exit cleanup state information is now stored in a dedicated struct and built up using methods of that struct. Signed-off-by: Ophestra Umiker <cat@ophivana.moe>
42 lines
982 B
Go
42 lines
982 B
Go
package state
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import (
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"encoding/gob"
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"errors"
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"io/fs"
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"os"
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"os/exec"
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"path"
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"strconv"
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"git.ophivana.moe/cat/fortify/internal"
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)
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// SaveProcess called after process start, before wait
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func SaveProcess(uid string, cmd *exec.Cmd, runDirPath string, command []string, enablements internal.Enablements) (string, error) {
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statePath := path.Join(runDirPath, uid, strconv.Itoa(cmd.Process.Pid))
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state := launcherState{
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PID: cmd.Process.Pid,
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Launcher: cmd.Path,
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Argv: cmd.Args,
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Command: command,
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Capability: enablements,
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}
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if err := os.Mkdir(path.Join(runDirPath, uid), 0700); err != nil && !errors.Is(err, fs.ErrExist) {
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return statePath, err
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}
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if f, err := os.OpenFile(statePath, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0600); err != nil {
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return statePath, err
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} else {
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defer func() {
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if f.Close() != nil {
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// unreachable
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panic("state file closed prematurely")
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}
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}()
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return statePath, gob.NewEncoder(f).Encode(state)
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}
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}
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