1 files changed, 0 insertions, 259 deletions
diff --git a/container/landlock.go b/container/landlock.go
deleted file mode 100644
index a8007692..00000000
--- a/container/landlock.go
+++ /dev/null
@@ -1,259 +0,0 @@
-package container
-
-import (
-	"strings"
-	"syscall"
-	"unsafe"
-
-	"hakurei.app/ext"
-)
-
-// include/uapi/linux/landlock.h
-
-const (
-	LANDLOCK_CREATE_RULESET_VERSION = 1 << iota
-)
-
-// LandlockAccessFS is bitmask of handled filesystem actions.
-type LandlockAccessFS uint64
-
-const (
-	LANDLOCK_ACCESS_FS_EXECUTE LandlockAccessFS = 1 << iota
-	LANDLOCK_ACCESS_FS_WRITE_FILE
-	LANDLOCK_ACCESS_FS_READ_FILE
-	LANDLOCK_ACCESS_FS_READ_DIR
-	LANDLOCK_ACCESS_FS_REMOVE_DIR
-	LANDLOCK_ACCESS_FS_REMOVE_FILE
-	LANDLOCK_ACCESS_FS_MAKE_CHAR
-	LANDLOCK_ACCESS_FS_MAKE_DIR
-	LANDLOCK_ACCESS_FS_MAKE_REG
-	LANDLOCK_ACCESS_FS_MAKE_SOCK
-	LANDLOCK_ACCESS_FS_MAKE_FIFO
-	LANDLOCK_ACCESS_FS_MAKE_BLOCK
-	LANDLOCK_ACCESS_FS_MAKE_SYM
-	LANDLOCK_ACCESS_FS_REFER
-	LANDLOCK_ACCESS_FS_TRUNCATE
-	LANDLOCK_ACCESS_FS_IOCTL_DEV
-
-	_LANDLOCK_ACCESS_FS_DELIM
-)
-
-// String returns a space-separated string of [LandlockAccessFS] flags.
-func (f LandlockAccessFS) String() string {
-	switch f {
-	case LANDLOCK_ACCESS_FS_EXECUTE:
-		return "execute"
-
-	case LANDLOCK_ACCESS_FS_WRITE_FILE:
-		return "write_file"
-
-	case LANDLOCK_ACCESS_FS_READ_FILE:
-		return "read_file"
-
-	case LANDLOCK_ACCESS_FS_READ_DIR:
-		return "read_dir"
-
-	case LANDLOCK_ACCESS_FS_REMOVE_DIR:
-		return "remove_dir"
-
-	case LANDLOCK_ACCESS_FS_REMOVE_FILE:
-		return "remove_file"
-
-	case LANDLOCK_ACCESS_FS_MAKE_CHAR:
-		return "make_char"
-
-	case LANDLOCK_ACCESS_FS_MAKE_DIR:
-		return "make_dir"
-
-	case LANDLOCK_ACCESS_FS_MAKE_REG:
-		return "make_reg"
-
-	case LANDLOCK_ACCESS_FS_MAKE_SOCK:
-		return "make_sock"
-
-	case LANDLOCK_ACCESS_FS_MAKE_FIFO:
-		return "make_fifo"
-
-	case LANDLOCK_ACCESS_FS_MAKE_BLOCK:
-		return "make_block"
-
-	case LANDLOCK_ACCESS_FS_MAKE_SYM:
-		return "make_sym"
-
-	case LANDLOCK_ACCESS_FS_REFER:
-		return "fs_refer"
-
-	case LANDLOCK_ACCESS_FS_TRUNCATE:
-		return "fs_truncate"
-
-	case LANDLOCK_ACCESS_FS_IOCTL_DEV:
-		return "fs_ioctl_dev"
-
-	default:
-		var c []LandlockAccessFS
-		for i := LandlockAccessFS(1); i < _LANDLOCK_ACCESS_FS_DELIM; i <<= 1 {
-			if f&i != 0 {
-				c = append(c, i)
-			}
-		}
-		if len(c) == 0 {
-			return "NULL"
-		}
-		s := make([]string, len(c))
-		for i, v := range c {
-			s[i] = v.String()
-		}
-		return strings.Join(s, " ")
-	}
-}
-
-// LandlockAccessNet is bitmask of handled network actions.
-type LandlockAccessNet uint64
-
-const (
-	LANDLOCK_ACCESS_NET_BIND_TCP LandlockAccessNet = 1 << iota
-	LANDLOCK_ACCESS_NET_CONNECT_TCP
-
-	_LANDLOCK_ACCESS_NET_DELIM
-)
-
-// String returns a space-separated string of [LandlockAccessNet] flags.
-func (f LandlockAccessNet) String() string {
-	switch f {
-	case LANDLOCK_ACCESS_NET_BIND_TCP:
-		return "bind_tcp"
-
-	case LANDLOCK_ACCESS_NET_CONNECT_TCP:
-		return "connect_tcp"
-
-	default:
-		var c []LandlockAccessNet
-		for i := LandlockAccessNet(1); i < _LANDLOCK_ACCESS_NET_DELIM; i <<= 1 {
-			if f&i != 0 {
-				c = append(c, i)
-			}
-		}
-		if len(c) == 0 {
-			return "NULL"
-		}
-		s := make([]string, len(c))
-		for i, v := range c {
-			s[i] = v.String()
-		}
-		return strings.Join(s, " ")
-	}
-}
-
-// LandlockScope is bitmask of scopes restricting a Landlock domain from accessing outside resources.
-type LandlockScope uint64
-
-const (
-	LANDLOCK_SCOPE_ABSTRACT_UNIX_SOCKET LandlockScope = 1 << iota
-	LANDLOCK_SCOPE_SIGNAL
-
-	_LANDLOCK_SCOPE_DELIM
-)
-
-// String returns a space-separated string of [LandlockScope] flags.
-func (f LandlockScope) String() string {
-	switch f {
-	case LANDLOCK_SCOPE_ABSTRACT_UNIX_SOCKET:
-		return "abstract_unix_socket"
-
-	case LANDLOCK_SCOPE_SIGNAL:
-		return "signal"
-
-	default:
-		var c []LandlockScope
-		for i := LandlockScope(1); i < _LANDLOCK_SCOPE_DELIM; i <<= 1 {
-			if f&i != 0 {
-				c = append(c, i)
-			}
-		}
-		if len(c) == 0 {
-			return "NULL"
-		}
-		s := make([]string, len(c))
-		for i, v := range c {
-			s[i] = v.String()
-		}
-		return strings.Join(s, " ")
-	}
-}
-
-// RulesetAttr is equivalent to struct landlock_ruleset_attr.
-type RulesetAttr struct {
-	// Bitmask of handled filesystem actions.
-	HandledAccessFS LandlockAccessFS
-	// Bitmask of handled network actions.
-	HandledAccessNet LandlockAccessNet
-	// Bitmask of scopes restricting a Landlock domain from accessing outside
-	// resources (e.g. IPCs).
-	Scoped LandlockScope
-}
-
-// String returns a user-facing description of [RulesetAttr].
-func (rulesetAttr *RulesetAttr) String() string {
-	if rulesetAttr == nil {
-		return "NULL"
-	}
-	elems := make([]string, 0, 3)
-	if rulesetAttr.HandledAccessFS > 0 {
-		elems = append(elems, "fs: "+rulesetAttr.HandledAccessFS.String())
-	}
-	if rulesetAttr.HandledAccessNet > 0 {
-		elems = append(elems, "net: "+rulesetAttr.HandledAccessNet.String())
-	}
-	if rulesetAttr.Scoped > 0 {
-		elems = append(elems, "scoped: "+rulesetAttr.Scoped.String())
-	}
-	if len(elems) == 0 {
-		return "0"
-	}
-	return strings.Join(elems, ", ")
-}
-
-// Create loads the ruleset into the kernel.
-func (rulesetAttr *RulesetAttr) Create(flags uintptr) (fd int, err error) {
-	var pointer, size uintptr
-	// NULL needed for abi version
-	if rulesetAttr != nil {
-		pointer = uintptr(unsafe.Pointer(rulesetAttr))
-		size = unsafe.Sizeof(*rulesetAttr)
-	}
-
-	rulesetFd, _, errno := syscall.Syscall(
-		ext.SYS_LANDLOCK_CREATE_RULESET,
-		pointer, size,
-		flags,
-	)
-	fd = int(rulesetFd)
-	err = errno
-	if fd < 0 {
-		return
-	}
-
-	if rulesetAttr != nil { // not a fd otherwise
-		syscall.CloseOnExec(fd)
-	}
-	return fd, nil
-}
-
-// LandlockGetABI returns the ABI version supported by the kernel.
-func LandlockGetABI() (int, error) {
-	return (*RulesetAttr)(nil).Create(LANDLOCK_CREATE_RULESET_VERSION)
-}
-
-// LandlockRestrictSelf applies a loaded ruleset to the calling thread.
-func LandlockRestrictSelf(rulesetFd int, flags uintptr) error {
-	r, _, errno := syscall.Syscall(
-		ext.SYS_LANDLOCK_RESTRICT_SELF,
-		uintptr(rulesetFd),
-		flags,
-		0,
-	)
-	if r != 0 {
-		return errno
-	}
-	return nil
-}