diff options
Diffstat (limited to 'conn')
| -rw-r--r-- | conn/boundif_android.go | 34 | ||||
| -rw-r--r-- | conn/conn.go | 7 |
2 files changed, 41 insertions, 0 deletions
diff --git a/conn/boundif_android.go b/conn/boundif_android.go new file mode 100644 index 0000000..3e10607 --- /dev/null +++ b/conn/boundif_android.go @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: MIT + * + * Copyright (C) 2017-2020 WireGuard LLC. All Rights Reserved. + */ + +package conn + +func (bind *nativeBind) PeekLookAtSocketFd4() (fd int, err error) { + sysconn, err := bind.ipv4.SyscallConn() + if err != nil { + return -1, err + } + err = sysconn.Control(func(f uintptr) { + fd = int(f) + }) + if err != nil { + return -1, err + } + return +} + +func (bind *nativeBind) PeekLookAtSocketFd6() (fd int, err error) { + sysconn, err := bind.ipv6.SyscallConn() + if err != nil { + return -1, err + } + err = sysconn.Control(func(f uintptr) { + fd = int(f) + }) + if err != nil { + return -1, err + } + return +} diff --git a/conn/conn.go b/conn/conn.go index 6e04386..c0ca3b8 100644 --- a/conn/conn.go +++ b/conn/conn.go @@ -57,6 +57,13 @@ type BindSocketToInterface interface { BindSocketToInterface6(interfaceIndex uint32, blackhole bool) error } +// PeekLookAtSocketFd is implemented by Bind objects that support having their +// file descriptor peeked at. +type PeekLookAtSocketFd interface { + PeekLookAtSocketFd4() (fd int, err error) + PeekLookAtSocketFd6() (fd int, err error) +} + // An Endpoint maintains the source/destination caching for a peer. // // dst : the remote address of a peer ("endpoint" in uapi terminology) |