Ophestra
d2f9a9b83b
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Signed-off-by: Ophestra <cat@gensokyo.uk>
52 lines
1.1 KiB
Go
52 lines
1.1 KiB
Go
package main
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// this works around go:embed '..' limitation
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//go:generate cp ../../LICENSE .
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import (
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_ "embed"
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"errors"
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"log"
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"os"
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"hakurei.app/container"
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"hakurei.app/internal"
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"hakurei.app/internal/hlog"
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"hakurei.app/internal/sys"
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)
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var (
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errSuccess = errors.New("success")
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//go:embed LICENSE
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license string
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)
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func init() { hlog.Prepare("hakurei") }
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var std sys.State = new(sys.Std)
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func main() {
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// early init path, skips root check and duplicate PR_SET_DUMPABLE
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container.TryArgv0(hlog.Output{}, hlog.Prepare, internal.InstallOutput)
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if err := container.SetDumpable(container.SUID_DUMP_DISABLE); err != nil {
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log.Printf("cannot set SUID_DUMP_DISABLE: %s", err)
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// not fatal: this program runs as the privileged user
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}
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if os.Geteuid() == 0 {
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log.Fatal("this program must not run as root")
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}
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buildCommand(os.Stderr).MustParse(os.Args[1:], func(err error) {
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hlog.Verbosef("command returned %v", err)
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if errors.Is(err, errSuccess) {
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hlog.BeforeExit()
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os.Exit(0)
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}
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// this catches faulty command handlers that fail to return before this point
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})
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log.Fatal("unreachable")
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}
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