62 lines
900 B
Go
62 lines
900 B
Go
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package fs
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import (
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"os"
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)
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type devicesGroup struct {
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}
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func (s *devicesGroup) Set(d *data) error {
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dir, err := d.join("devices")
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if err != nil {
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return err
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}
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defer func() {
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if err != nil {
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os.RemoveAll(dir)
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}
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}()
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if !d.c.DeviceAccess {
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if err := writeFile(dir, "devices.deny", "a"); err != nil {
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return err
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}
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allow := []string{
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// allow mknod for any device
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"c *:* m",
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"b *:* m",
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// /dev/null, zero, full
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"c 1:3 rwm",
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"c 1:5 rwm",
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"c 1:7 rwm",
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// consoles
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"c 5:1 rwm",
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"c 5:0 rwm",
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"c 4:0 rwm",
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"c 4:1 rwm",
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// /dev/urandom,/dev/random
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"c 1:9 rwm",
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"c 1:8 rwm",
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// /dev/pts/ - pts namespaces are "coming soon"
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"c 136:* rwm",
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"c 5:2 rwm",
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// tuntap
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"c 10:200 rwm",
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}
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for _, val := range allow {
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if err := writeFile(dir, "devices.allow", val); err != nil {
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return err
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}
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}
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}
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return nil
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}
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