73233223de
Docker-DCO-1.1-Signed-off-by: Guillaume J. Charmes <guillaume.charmes@docker.com> (github: creack)
42 lines
836 B
Go
42 lines
836 B
Go
package apparmor
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import (
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"errors"
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"fmt"
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"io/ioutil"
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"log"
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"os"
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)
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var AppArmorEnabled bool
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var (
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ErrAppArmorDisabled = errors.New("Error: AppArmor is not enabled on this system")
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)
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func init() {
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buf, err := ioutil.ReadFile("/sys/module/apparmor/parameters/enabled")
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AppArmorEnabled = err == nil && len(buf) > 1 && buf[0] == 'Y'
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}
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func ApplyProfile(pid int, name string) error {
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if !AppArmorEnabled {
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return ErrAppArmorDisabled
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}
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f, err := os.OpenFile(fmt.Sprintf("/proc/%d/attr/current", pid), os.O_WRONLY, 0)
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if err != nil {
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log.Printf("error open: %s\n", err)
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return err
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}
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defer f.Close()
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if _, err := fmt.Fprintf(f, "changeprofile %s", name); err != nil {
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log.Printf("changeprofile %s", name)
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log.Printf("Error write: %s\n", err)
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return err
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} else {
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log.Printf("Write success!")
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}
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return nil
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}
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