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courier: Simplify procmail's execution logic

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The way the procmail courier runs the command is unnecessary convoluted,
this patch simplifies it by using the corresponding standard tools.
This commit is contained in:
Alberto Bertogli
2016-10-13 21:55:23 +01:00
parent a9ff0379a5
commit 5faffbbfe3
1 changed files with 2 additions and 19 deletions
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21
internal/courier/procmail.go
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@@ -56,29 +56,12 @@ func (p *Procmail) Deliver(from string, to string, data []byte) (error, bool) {
defer cancel()
cmd := exec.CommandContext(ctx, p.Binary, args...)
cmdStdin, err := cmd.StdinPipe()
if err != nil {
return tr.Errorf("StdinPipe: %v", err), true
}
cmd.Stdin = bytes.NewReader(data)
output := &bytes.Buffer{}
cmd.Stdout = output
cmd.Stderr = output
err = cmd.Start()
if err != nil {
return tr.Errorf("Error starting procmail: %v", err), true
}
_, err = bytes.NewBuffer(data).WriteTo(cmdStdin)
if err != nil {
return tr.Errorf("Error sending data to procmail: %v", err), true
}
cmdStdin.Close()
err = cmd.Wait()
err := cmd.Run()
if ctx.Err() == context.DeadlineExceeded {
return tr.Error(errTimeout), false
}