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Diffstat (limited to 'test/iptables/iptables_unsafe.go')
-rw-r--r--test/iptables/iptables_unsafe.go63
1 files changed, 0 insertions, 63 deletions
diff --git a/test/iptables/iptables_unsafe.go b/test/iptables/iptables_unsafe.go
deleted file mode 100644
index bd85a8fea..000000000
--- a/test/iptables/iptables_unsafe.go
+++ /dev/null
@@ -1,63 +0,0 @@
-// Copyright 2020 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package iptables
-
-import (
- "fmt"
- "syscall"
- "unsafe"
-)
-
-type originalDstError struct {
- errno syscall.Errno
-}
-
-func (e originalDstError) Error() string {
- return fmt.Sprintf("errno (%d) when calling getsockopt(SO_ORIGINAL_DST): %v", int(e.errno), e.errno.Error())
-}
-
-// SO_ORIGINAL_DST gets the original destination of a redirected packet via
-// getsockopt.
-const SO_ORIGINAL_DST = 80
-
-func originalDestination4(connfd int) (syscall.RawSockaddrInet4, error) {
- var addr syscall.RawSockaddrInet4
- var addrLen uint32 = syscall.SizeofSockaddrInet4
- if errno := originalDestination(connfd, syscall.SOL_IP, unsafe.Pointer(&addr), &addrLen); errno != 0 {
- return syscall.RawSockaddrInet4{}, originalDstError{errno}
- }
- return addr, nil
-}
-
-func originalDestination6(connfd int) (syscall.RawSockaddrInet6, error) {
- var addr syscall.RawSockaddrInet6
- var addrLen uint32 = syscall.SizeofSockaddrInet6
- if errno := originalDestination(connfd, syscall.SOL_IPV6, unsafe.Pointer(&addr), &addrLen); errno != 0 {
- return syscall.RawSockaddrInet6{}, originalDstError{errno}
- }
- return addr, nil
-}
-
-func originalDestination(connfd int, level uintptr, optval unsafe.Pointer, optlen *uint32) syscall.Errno {
- _, _, errno := syscall.Syscall6(
- syscall.SYS_GETSOCKOPT,
- uintptr(connfd),
- level,
- SO_ORIGINAL_DST,
- uintptr(optval),
- uintptr(unsafe.Pointer(optlen)),
- 0)
- return errno
-}