mirror of https://github.com/docker/cli.git
58 lines
1.2 KiB
Go
58 lines
1.2 KiB
Go
|
package configs
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"os"
|
||
|
|
)
|
||
|
|
|
||
|
|
const (
|
||
|
|
Wildcard = -1
|
||
|
|
)
|
||
|
|
|
||
|
|
// TODO Windows: This can be factored out in the future
|
||
|
|
|
||
|
|
type Device struct {
|
||
|
|
// Device type, block, char, etc.
|
||
|
|
Type rune `json:"type"`
|
||
|
|
|
||
|
|
// Path to the device.
|
||
|
|
Path string `json:"path"`
|
||
|
|
|
||
|
|
// Major is the device's major number.
|
||
|
|
Major int64 `json:"major"`
|
||
|
|
|
||
|
|
// Minor is the device's minor number.
|
||
|
|
Minor int64 `json:"minor"`
|
||
|
|
|
||
|
|
// Cgroup permissions format, rwm.
|
||
|
|
Permissions string `json:"permissions"`
|
||
|
|
|
||
|
|
// FileMode permission bits for the device.
|
||
|
|
FileMode os.FileMode `json:"file_mode"`
|
||
|
|
|
||
|
|
// Uid of the device.
|
||
|
|
Uid uint32 `json:"uid"`
|
||
|
|
|
||
|
|
// Gid of the device.
|
||
|
|
Gid uint32 `json:"gid"`
|
||
|
|
|
||
|
|
// Write the file to the allowed list
|
||
|
|
Allow bool `json:"allow"`
|
||
|
|
}
|
||
|
|
|
||
|
|
func (d *Device) CgroupString() string {
|
||
|
|
return fmt.Sprintf("%c %s:%s %s", d.Type, deviceNumberString(d.Major), deviceNumberString(d.Minor), d.Permissions)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (d *Device) Mkdev() int {
|
||
|
|
return int((d.Major << 8) | (d.Minor & 0xff) | ((d.Minor & 0xfff00) << 12))
|
||
|
|
}
|
||
|
|
|
||
|
|
// deviceNumberString converts the device number to a string return result.
|
||
|
|
func deviceNumberString(number int64) string {
|
||
|
|
if number == Wildcard {
|
||
|
|
return "*"
|
||
|
|
}
|
||
|
|
return fmt.Sprint(number)
|
||
|
|
}
|