diff options
Diffstat (limited to 'vendor/github.com/opencontainers/runc/libcontainer')
3 files changed, 0 insertions, 127 deletions
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/devices/devices_linux.go b/vendor/github.com/opencontainers/runc/libcontainer/devices/devices_linux.go deleted file mode 100644 index 461dc097c..000000000 --- a/vendor/github.com/opencontainers/runc/libcontainer/devices/devices_linux.go +++ /dev/null @@ -1,100 +0,0 @@ -package devices - -import ( - "errors" - "io/ioutil" - "os" - "path/filepath" - - "github.com/opencontainers/runc/libcontainer/configs" - - "golang.org/x/sys/unix" -) - -var ( - ErrNotADevice = errors.New("not a device node") -) - -// Testing dependencies -var ( - unixLstat = unix.Lstat - ioutilReadDir = ioutil.ReadDir -) - -// Given the path to a device and its cgroup_permissions(which cannot be easily queried) look up the information about a linux device and return that information as a Device struct. -func DeviceFromPath(path, permissions string) (*configs.Device, error) { - var stat unix.Stat_t - err := unixLstat(path, &stat) - if err != nil { - return nil, err - } - var ( - devType rune - mode = stat.Mode - ) - switch { - case mode&unix.S_IFBLK == unix.S_IFBLK: - devType = 'b' - case mode&unix.S_IFCHR == unix.S_IFCHR: - devType = 'c' - default: - return nil, ErrNotADevice - } - devNumber := int(stat.Rdev) - uid := stat.Uid - gid := stat.Gid - return &configs.Device{ - Type: devType, - Path: path, - Major: Major(devNumber), - Minor: Minor(devNumber), - Permissions: permissions, - FileMode: os.FileMode(mode), - Uid: uid, - Gid: gid, - }, nil -} - -func HostDevices() ([]*configs.Device, error) { - return getDevices("/dev") -} - -func getDevices(path string) ([]*configs.Device, error) { - files, err := ioutilReadDir(path) - if err != nil { - return nil, err - } - out := []*configs.Device{} - for _, f := range files { - switch { - case f.IsDir(): - switch f.Name() { - // ".lxc" & ".lxd-mounts" added to address https://github.com/lxc/lxd/issues/2825 - case "pts", "shm", "fd", "mqueue", ".lxc", ".lxd-mounts": - continue - default: - sub, err := getDevices(filepath.Join(path, f.Name())) - if err != nil { - return nil, err - } - - out = append(out, sub...) - continue - } - case f.Name() == "console": - continue - } - device, err := DeviceFromPath(filepath.Join(path, f.Name()), "rwm") - if err != nil { - if err == ErrNotADevice { - continue - } - if os.IsNotExist(err) { - continue - } - return nil, err - } - out = append(out, device) - } - return out, nil -} diff --git a/vendor/github.com/opencontainers/runc/libcontainer/devices/devices_unsupported.go b/vendor/github.com/opencontainers/runc/libcontainer/devices/devices_unsupported.go deleted file mode 100644 index 6649b9f2d..000000000 --- a/vendor/github.com/opencontainers/runc/libcontainer/devices/devices_unsupported.go +++ /dev/null @@ -1,3 +0,0 @@ -// +build !linux - -package devices diff --git a/vendor/github.com/opencontainers/runc/libcontainer/devices/number.go b/vendor/github.com/opencontainers/runc/libcontainer/devices/number.go deleted file mode 100644 index 885b6e5dd..000000000 --- a/vendor/github.com/opencontainers/runc/libcontainer/devices/number.go +++ /dev/null @@ -1,24 +0,0 @@ -// +build linux freebsd - -package devices - -/* - -This code provides support for manipulating linux device numbers. It should be replaced by normal syscall functions once http://code.google.com/p/go/issues/detail?id=8106 is solved. - -You can read what they are here: - - - http://www.makelinux.net/ldd3/chp-3-sect-2 - - http://www.linux-tutorial.info/modules.php?name=MContent&pageid=94 - -Note! These are NOT the same as the MAJOR(dev_t device);, MINOR(dev_t device); and MKDEV(int major, int minor); functions as defined in <linux/kdev_t.h> as the representation of device numbers used by go is different than the one used internally to the kernel! - https://github.com/torvalds/linux/blob/master/include/linux/kdev_t.h#L9 - -*/ - -func Major(devNumber int) int64 { - return int64((devNumber >> 8) & 0xfff) -} - -func Minor(devNumber int) int64 { - return int64((devNumber & 0xff) | ((devNumber >> 12) & 0xfff00)) -} |