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redir: avoid underscore in func name

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This commit is contained in:
nadoo 2017-09-21 23:13:44 +08:00
parent ee0637b950
commit 09e1b9342d
2 changed files with 7 additions and 4 deletions
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10
redir_linux.go
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@ -11,8 +11,10 @@ import (
)
const (
SO_ORIGINAL_DST = 80 // from linux/include/uapi/linux/netfilter_ipv4.h
IP6T_SO_ORIGINAL_DST = 80 // from linux/include/uapi/linux/netfilter_ipv6/ip6_tables.h
// from linux/include/uapi/linux/netfilter_ipv4.h
SO_ORIGINAL_DST = 80
// from linux/include/uapi/linux/netfilter_ipv6/ip6_tables.h
IP6T_SO_ORIGINAL_DST = 80
)
type RedirProxy struct {
@ -103,7 +105,7 @@ func getOrigDst(conn net.Conn, ipv6 bool) (Addr, error) {
}
if ipv6 {
return ipv6_getorigdst(fd)
return getorigdstIPv6(fd)
}
return getorigdst(fd)
@ -127,7 +129,7 @@ func getorigdst(fd uintptr) (Addr, error) {
// Call ipv6_getorigdst() from linux/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
// NOTE: I haven't tried yet but it should work since Linux 3.8.
func ipv6_getorigdst(fd uintptr) (Addr, error) {
func getorigdstIPv6(fd uintptr) (Addr, error) {
raw := syscall.RawSockaddrInet6{}
siz := unsafe.Sizeof(raw)
if err := socketcall(GETSOCKOPT, fd, syscall.IPPROTO_IPV6, IP6T_SO_ORIGINAL_DST, uintptr(unsafe.Pointer(&raw)), uintptr(unsafe.Pointer(&siz)), 0); err != nil {

1
redir_linux_other.go
View File

@ -4,6 +4,7 @@ package main
import "syscall"
// GETSOCKOPT from syscall
const GETSOCKOPT = syscall.SYS_GETSOCKOPT
func socketcall(call, a0, a1, a2, a3, a4, a5 uintptr) error {