pkg/libcontainer/devices/defaults.go

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package devices
var (
// These are devices that are to be both allowed and created.
DefaultSimpleDevices = []*Device{
// /dev/null and zero
{
Path: "/dev/null",
Type: 'c',
MajorNumber: 1,
MinorNumber: 3,
CgroupPermissions: "rwm",
FileMode: 0666,
},
{
Path: "/dev/zero",
Type: 'c',
MajorNumber: 1,
MinorNumber: 5,
CgroupPermissions: "rwm",
FileMode: 0666,
},
{
Path: "/dev/full",
Type: 'c',
MajorNumber: 1,
MinorNumber: 7,
CgroupPermissions: "rwm",
FileMode: 0666,
},
// consoles and ttys
{
Path: "/dev/tty",
Type: 'c',
MajorNumber: 5,
MinorNumber: 0,
CgroupPermissions: "rwm",
FileMode: 0666,
},
// /dev/urandom,/dev/random
{
Path: "/dev/urandom",
Type: 'c',
MajorNumber: 1,
MinorNumber: 9,
CgroupPermissions: "rwm",
FileMode: 0666,
},
{
Path: "/dev/random",
Type: 'c',
MajorNumber: 1,
MinorNumber: 8,
CgroupPermissions: "rwm",
FileMode: 0666,
},
}
DefaultAllowedDevices = append([]*Device{
// allow mknod for any device
{
Type: 'c',
MajorNumber: Wildcard,
MinorNumber: Wildcard,
CgroupPermissions: "m",
},
{
Type: 'b',
MajorNumber: Wildcard,
MinorNumber: Wildcard,
CgroupPermissions: "m",
},
{
Path: "/dev/console",
Type: 'c',
MajorNumber: 5,
MinorNumber: 1,
CgroupPermissions: "rwm",
},
{
Path: "/dev/tty0",
Type: 'c',
MajorNumber: 4,
MinorNumber: 0,
CgroupPermissions: "rwm",
},
{
Path: "/dev/tty1",
Type: 'c',
MajorNumber: 4,
MinorNumber: 1,
CgroupPermissions: "rwm",
},
// /dev/pts/ - pts namespaces are "coming soon"
{
Path: "",
Type: 'c',
MajorNumber: 136,
MinorNumber: Wildcard,
CgroupPermissions: "rwm",
},
{
Path: "",
Type: 'c',
MajorNumber: 5,
MinorNumber: 2,
CgroupPermissions: "rwm",
},
// tuntap
{
Path: "",
Type: 'c',
MajorNumber: 10,
MinorNumber: 200,
CgroupPermissions: "rwm",
},
/*// fuse
{
Path: "",
Type: 'c',
MajorNumber: 10,
MinorNumber: 229,
CgroupPermissions: "rwm",
},
// rtc
{
Path: "",
Type: 'c',
MajorNumber: 254,
MinorNumber: 0,
CgroupPermissions: "rwm",
},
*/
}, DefaultSimpleDevices...)
DefaultAutoCreatedDevices = append([]*Device{
{
// /dev/fuse is created but not allowed.
// This is to allow java to work. Because java
// Insists on there being a /dev/fuse
// https://github.com/dotcloud/docker/issues/514
// https://github.com/dotcloud/docker/issues/2393
//
Path: "/dev/fuse",
Type: 'c',
MajorNumber: 10,
MinorNumber: 229,
CgroupPermissions: "rwm",
},
}, DefaultSimpleDevices...)
)