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// +build apparmor,linux
package apparmor
// #cgo LDFLAGS: -lapparmor
// #include <sys/apparmor.h>
// #include <stdlib.h>
import "C"
import (
"io/ioutil"
"os"
"unsafe"
)
// IsEnabled returns true if apparmor is enabled for the host.
func IsEnabled() bool {
if _, err := os.Stat("/sys/kernel/security/apparmor"); err == nil && os.Getenv("container") == "" {
if _, err = os.Stat("/sbin/apparmor_parser"); err == nil {
buf, err := ioutil.ReadFile("/sys/module/apparmor/parameters/enabled")
return err == nil && len(buf) > 1 && buf[0] == 'Y'
}
}
return false
}
// ApplyProfile will apply the profile with the specified name to the process after
// the next exec.
func ApplyProfile(name string) error {
if name == "" {
return nil
}
cName := C.CString(name)
defer C.free(unsafe.Pointer(cName))
if _, err := C.aa_change_onexec(cName); err != nil {
return err
}
return nil
}
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