diff options
author | Mikio Hara <mikioh.mikioh@gmail.com> | 2011-08-31 13:05:49 -0400 |
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committer | Russ Cox <rsc@golang.org> | 2011-08-31 13:05:49 -0400 |
commit | 0c6581cc25e95b554d810b1fbbb912390f235afe (patch) | |
tree | 081c6d21fa8325a865eac5a93c7d51cd219b70b5 | |
parent | 0c9ea63b3b3cc7bbbd7309cc8ca1751f3ea58ba0 (diff) | |
download | go-0c6581cc25e95b554d810b1fbbb912390f235afe.tar.gz go-0c6581cc25e95b554d810b1fbbb912390f235afe.zip |
syscall: handle routing entry in ParseRoutingSockaddr on BSD variants
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4972053
-rw-r--r-- | src/pkg/syscall/route_bsd.go | 49 |
1 files changed, 46 insertions, 3 deletions
diff --git a/src/pkg/syscall/route_bsd.go b/src/pkg/syscall/route_bsd.go index 93e345d717..22a0a4f80e 100644 --- a/src/pkg/syscall/route_bsd.go +++ b/src/pkg/syscall/route_bsd.go @@ -72,9 +72,52 @@ type RouteMessage struct { Data []byte } -func (m *RouteMessage) sockaddr() (sas []Sockaddr) { - // TODO: implement this in the near future - return nil +const rtaRtMask = RTA_DST | RTA_GATEWAY | RTA_NETMASK | RTA_GENMASK + +func (m *RouteMessage) sockaddr() []Sockaddr { + var ( + af int + sas [4]Sockaddr + ) + + buf := m.Data[:] + for i := uint(0); i < RTAX_MAX; i++ { + if m.Header.Addrs&rtaRtMask&(1<<i) == 0 { + continue + } + rsa := (*RawSockaddr)(unsafe.Pointer(&buf[0])) + switch i { + case RTAX_DST, RTAX_GATEWAY: + sa, e := anyToSockaddr((*RawSockaddrAny)(unsafe.Pointer(rsa))) + if e != 0 { + return nil + } + if i == RTAX_DST { + af = int(rsa.Family) + } + sas[i] = sa + case RTAX_NETMASK, RTAX_GENMASK: + switch af { + case AF_INET: + rsa4 := (*RawSockaddrInet4)(unsafe.Pointer(&buf[0])) + sa := new(SockaddrInet4) + for j := 0; rsa4.Len > 0 && j < int(rsa4.Len)-int(unsafe.Offsetof(rsa4.Addr)); j++ { + sa.Addr[j] = rsa4.Addr[j] + } + sas[i] = sa + case AF_INET6: + rsa6 := (*RawSockaddrInet6)(unsafe.Pointer(&buf[0])) + sa := new(SockaddrInet6) + for j := 0; rsa6.Len > 0 && j < int(rsa6.Len)-int(unsafe.Offsetof(rsa6.Addr)); j++ { + sa.Addr[j] = rsa6.Addr[j] + } + sas[i] = sa + } + } + buf = buf[rsaAlignOf(int(rsa.Len)):] + } + + return sas[:] } // InterfaceMessage represents a routing message containing |